版本号更改为1.2.6

.gitignore

@@ -1,2 +1,3 @@
 *_plus.go
+*_plus_test.go
 *-plus.sh

LICENSE

@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2020, LiuXiangChao
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

@@ -0,0 +1 @@
+GoEdge边缘节点源码

build/build.sh

@@ -3,7 +3,7 @@
 function build() {
 	ROOT=$(dirname $0)
 	NAME="edge-node"
-	VERSION=$(lookup-version $ROOT/../internal/const/const.go)
+	VERSION=$(lookup-version "$ROOT"/../internal/const/const.go)
 	DIST=$ROOT/"../dist/${NAME}"
 	MUSL_DIR="/usr/local/opt/musl-cross/bin"
 	GCC_X86_64_DIR="/usr/local/Cellar/x86_64-unknown-linux-gnu/10.3.0/bin"
@@ -13,21 +13,21 @@ function build() {
 	ARCH=${2}
 	TAG=${3}
 
-	if [ -z $OS ]; then
+	if [ -z "$OS" ]; then
 		echo "usage: build.sh OS ARCH"
 		exit
 	fi
-	if [ -z $ARCH ]; then
+	if [ -z "$ARCH" ]; then
 		echo "usage: build.sh OS ARCH"
 		exit
 	fi
-	if [ -z $TAG ]; then
+	if [ -z "$TAG" ]; then
 		TAG="community"
 	fi
 
 	echo "checking ..."
 	ZIP_PATH=$(which zip)
-	if [ -z $ZIP_PATH ]; then
+	if [ -z "$ZIP_PATH" ]; then
 		echo "we need 'zip' command to compress files"
 		exit
 	fi
@@ -36,28 +36,29 @@ function build() {
 	ZIP="${NAME}-${OS}-${ARCH}-${TAG}-v${VERSION}.zip"
 
 	echo "copying ..."
-	if [ ! -d $DIST ]; then
-		mkdir $DIST
-		mkdir $DIST/bin
-		mkdir $DIST/configs
-		mkdir $DIST/logs
-		mkdir $DIST/data
+	if [ ! -d "$DIST" ]; then
+		mkdir "$DIST"
+		mkdir "$DIST"/bin
+		mkdir "$DIST"/configs
+		mkdir "$DIST"/logs
+		mkdir "$DIST"/data
 
 		if [ "$TAG" = "plus" ]; then
-			mkdir $DIST/scripts
-			mkdir $DIST/scripts/js
+			mkdir "$DIST"/scripts
+			mkdir "$DIST"/scripts/js
 		fi
 	fi
 
-	cp $ROOT/configs/api.template.yaml $DIST/configs
-	cp -R $ROOT/www $DIST/
-	cp -R $ROOT/pages $DIST/
-	cp -R $ROOT/resources $DIST/
+	cp "$ROOT"/configs/api.template.yaml "$DIST"/configs
+	cp "$ROOT"/configs/cluster.template.yaml "$DIST"/configs
+	cp -R "$ROOT"/www "$DIST"/
+	cp -R "$ROOT"/pages "$DIST"/
 
-	# we support TOA on linux/amd64 only
-	if [ $OS == "linux" -a $ARCH == "amd64" ]
+	# we support TOA on linux only
+	if [ "$OS" == "linux" ] && [ -f "${ROOT}/edge-toa/edge-toa-${ARCH}" ]
 	then
-		cp -R $ROOT/edge-toa $DIST
+		mkdir "$DIST/edge-toa"
+		cp "${ROOT}/edge-toa/edge-toa-${ARCH}" "$DIST/edge-toa/edge-toa"
 	fi
 
 	echo "building ..."
@@ -112,14 +113,17 @@ function build() {
 		fi
 	fi
 	if [ ! -z $CC_PATH ]; then
-		env CC=$MUSL_DIR/$CC_PATH CXX=$MUSL_DIR/$CXX_PATH GOOS=${OS} GOARCH=${ARCH} CGO_ENABLED=1 go build -tags $BUILD_TAG -o $DIST/bin/${NAME} -ldflags "-linkmode external -extldflags -static -s -w" $ROOT/../cmd/edge-node/main.go
+		env CC=$MUSL_DIR/$CC_PATH CXX=$MUSL_DIR/$CXX_PATH GOOS="${OS}" GOARCH="${ARCH}" CGO_ENABLED=1 go build -trimpath -tags $BUILD_TAG -o "$DIST"/bin/${NAME} -ldflags "-linkmode external -extldflags -static -s -w" "$ROOT"/../cmd/edge-node/main.go
 	else
-		env GOOS=${OS} GOARCH=${ARCH} CGO_ENABLED=1 go build -tags $TAG -o $DIST/bin/${NAME} -ldflags="-s -w" $ROOT/../cmd/edge-node/main.go
+		if [[ `uname` == *"Linux"* ]] && [ "$OS" == "linux" ] && [[ "$ARCH" == "amd64" || "$ARCH" == "arm64" ]] &&  [ "$TAG" == "plus" ]; then
+			BUILD_TAG="plus,script"
+		fi
+		env GOOS="${OS}" GOARCH="${ARCH}" CGO_ENABLED=1 go build -trimpath -tags $BUILD_TAG -o "$DIST"/bin/${NAME} -ldflags="-s -w" "$ROOT"/../cmd/edge-node/main.go
 	fi
 
 	# delete hidden files
-	find $DIST -name ".DS_Store" -delete
-	find $DIST -name ".gitignore" -delete
+	find "$DIST" -name ".DS_Store" -delete
+	find "$DIST" -name ".gitignore" -delete
 
 	echo "zip files"
 	cd "${DIST}/../" || exit
@@ -135,15 +139,15 @@ function build() {
 
 function lookup-version() {
 	FILE=$1
-	VERSION_DATA=$(cat $FILE)
+	VERSION_DATA=$(cat "$FILE")
 	re="Version[ ]+=[ ]+\"([0-9.]+)\""
 	if [[ $VERSION_DATA =~ $re ]]; then
 		VERSION=${BASH_REMATCH[1]}
-		echo $VERSION
+		echo "$VERSION"
 	else
 		echo "could not match version"
 		exit
 	fi
 }
 
-build $1 $2 $3
+build "$1" "$2" "$3"

build/configs/README.md

@@ -1 +1,2 @@
-* `global.yaml` - 全局配置
+* `api.template.yaml` - API相关配置模板
+* `cluster.template.yaml` - 通过集群自动接入节点模板

build/test.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+TAG=${1}
+
+if [ -z "$TAG" ]; then
+	TAG="community"
+fi
+
+go test -v ../... -tags=${TAG}

cmd/edge-node/main.go

@@ -2,10 +2,12 @@ package main
 
 import (
 	"encoding/json"
+	"flag"
 	"fmt"
 	"github.com/TeaOSLab/EdgeNode/internal/apps"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/nodes"
+	fsutils "github.com/TeaOSLab/EdgeNode/internal/utils/fs"
 	_ "github.com/iwind/TeaGo/bootstrap"
 	"github.com/iwind/TeaGo/logs"
 	"github.com/iwind/TeaGo/maps"
@@ -19,12 +21,12 @@ import (
 )
 
 func main() {
-	app := apps.NewAppCmd().
+	var app = apps.NewAppCmd().
 		Version(teaconst.Version).
 		Product(teaconst.ProductName).
-		Usage(teaconst.ProcessName + " [-v|start|stop|restart|status|quit|test|reload|service|daemon|pprof]").
+		Usage(teaconst.ProcessName + " [-v|start|stop|restart|status|quit|test|reload|service|daemon|pprof|accesslog]").
 		Usage(teaconst.ProcessName + " [trackers|goman|conns|gc]").
-		Usage(teaconst.ProcessName + " [ip.drop|ip.reject|ip.remove] IP")
+		Usage(teaconst.ProcessName + " [ip.drop|ip.reject|ip.remove|ip.close] IP")
 
 	app.On("test", func() {
 		err := nodes.NewNode().Test()
@@ -67,24 +69,30 @@ func main() {
 		fmt.Println("done")
 	})
 	app.On("pprof", func() {
-		// TODO 自己指定端口
-		addr := "127.0.0.1:6060"
+		var flagSet = flag.NewFlagSet("pprof", flag.ExitOnError)
+		var addr string
+		flagSet.StringVar(&addr, "addr", "", "")
+		_ = flagSet.Parse(os.Args[2:])
+
+		if len(addr) == 0 {
+			addr = "127.0.0.1:6060"
+		}
 		logs.Println("starting with pprof '" + addr + "'...")
 
 		go func() {
 			err := http.ListenAndServe(addr, nil)
 			if err != nil {
-				logs.Println("[error]" + err.Error())
+				logs.Println("[ERROR]" + err.Error())
 			}
 		}()
 
-		node := nodes.NewNode()
+		var node = nodes.NewNode()
 		node.Start()
 	})
 	app.On("dbstat", func() {
 		teaconst.EnableDBStat = true
 
-		node := nodes.NewNode()
+		var node = nodes.NewNode()
 		node.Start()
 	})
 	app.On("trackers", func() {
@@ -154,7 +162,7 @@ func main() {
 	app.On("ip.drop", func() {
 		var args = os.Args[2:]
 		if len(args) == 0 {
-			fmt.Println("Usage: edge-node ip.drop IP [--timeout=SECONDS]")
+			fmt.Println("Usage: edge-node ip.drop IP [--timeout=SECONDS] [--async]")
 			return
 		}
 		var ip = args[0]
@@ -168,6 +176,11 @@ func main() {
 		if ok {
 			timeoutSeconds = types.Int(timeout[0])
 		}
+		var async = false
+		_, ok = options["async"]
+		if ok {
+			async = true
+		}
 
 		fmt.Println("drop ip '" + ip + "' for '" + types.String(timeoutSeconds) + "' seconds")
 		var sock = gosock.NewTmpSock(teaconst.ProcessName)
@@ -176,6 +189,7 @@ func main() {
 			Params: map[string]interface{}{
 				"ip":             ip,
 				"timeoutSeconds": timeoutSeconds,
+				"async":          async,
 			},
 		})
 		if err != nil {
@@ -228,6 +242,38 @@ func main() {
 			}
 		}
 	})
+	app.On("ip.close", func() {
+		var args = os.Args[2:]
+		if len(args) == 0 {
+			fmt.Println("Usage: edge-node ip.close IP")
+			return
+		}
+		var ip = args[0]
+		if len(net.ParseIP(ip)) == 0 {
+			fmt.Println("IP '" + ip + "' is invalid")
+			return
+		}
+
+		fmt.Println("close ip '" + ip)
+
+		var sock = gosock.NewTmpSock(teaconst.ProcessName)
+		reply, err := sock.Send(&gosock.Command{
+			Code: "closeIP",
+			Params: map[string]any{
+				"ip": ip,
+			},
+		})
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+		} else {
+			var errString = maps.NewMap(reply.Params).GetString("error")
+			if len(errString) > 0 {
+				fmt.Println("[ERROR]" + errString)
+			} else {
+				fmt.Println("ok")
+			}
+		}
+	})
 	app.On("ip.remove", func() {
 		var args = os.Args[2:]
 		if len(args) == 0 {
@@ -258,8 +304,93 @@ func main() {
 			}
 		}
 	})
+	app.On("accesslog", func() {
+		// local sock
+		var tmpDir = os.TempDir()
+		var sockFile = tmpDir + "/" + teaconst.AccessLogSockName
+		_, err := os.Stat(sockFile)
+		if err != nil {
+			if !os.IsNotExist(err) {
+				fmt.Println("[ERROR]" + err.Error())
+				return
+			}
+		}
+
+		var processSock = gosock.NewTmpSock(teaconst.ProcessName)
+		reply, err := processSock.Send(&gosock.Command{
+			Code: "accesslog",
+		})
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+			return
+		}
+		if reply.Code == "error" {
+			var errString = maps.NewMap(reply.Params).GetString("error")
+			if len(errString) > 0 {
+				fmt.Println("[ERROR]" + errString)
+				return
+			}
+		}
+
+		conn, err := net.Dial("unix", sockFile)
+		if err != nil {
+			fmt.Println("[ERROR]start reading access log failed: " + err.Error())
+			return
+		}
+		defer func() {
+			_ = conn.Close()
+		}()
+		var buf = make([]byte, 1024)
+		for {
+			n, err := conn.Read(buf)
+			if n > 0 {
+				fmt.Print(string(buf[:n]))
+			}
+			if err != nil {
+				break
+			}
+		}
+	})
+	app.On("bandwidth", func() {
+		var sock = gosock.NewTmpSock(teaconst.ProcessName)
+		reply, err := sock.Send(&gosock.Command{Code: "bandwidth"})
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+			return
+		}
+		var statsMap = maps.NewMap(reply.Params).Get("stats")
+		statsJSON, err := json.MarshalIndent(statsMap, "", "  ")
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+			return
+		}
+		fmt.Println(string(statsJSON))
+	})
+	app.On("disk", func() {
+		var args = os.Args[2:]
+		if len(args) > 0 {
+			switch args[0] {
+			case "speed":
+				speedMB, isFast, err := fsutils.CheckDiskIsFast()
+				if err != nil {
+					fmt.Println("[ERROR]" + err.Error())
+				} else {
+					fmt.Printf("Speed: %.2fMB/s\n", speedMB)
+					if isFast {
+						fmt.Println("IsFast: true")
+					} else {
+						fmt.Println("IsFast: false")
+					}
+				}
+			default:
+				fmt.Println("Usage: edge-node disk [speed]")
+			}
+		} else {
+			fmt.Println("Usage: edge-node disk [speed]")
+		}
+	})
 	app.Run(func() {
-		node := nodes.NewNode()
+		var node = nodes.NewNode()
 		node.Start()
 	})
 }

dist/.gitignore

@@ -1 +1,2 @@
-*.zip
+*.zip
+edge-node

go.mod

@@ -1,36 +1,82 @@
 module github.com/TeaOSLab/EdgeNode
 
-go 1.15
+go 1.18
 
-replace github.com/TeaOSLab/EdgeCommon => ../EdgeCommon
+replace (
+	github.com/TeaOSLab/EdgeCommon => ../EdgeCommon
+	github.com/fsnotify/fsnotify => github.com/iwind/fsnotify v1.5.2-0.20220817040843-193be2051ff4
+	github.com/google/nftables => github.com/iwind/nftables v0.0.0-20230419014751-9f023a644ad4
+)
 
 require (
 	github.com/TeaOSLab/EdgeCommon v0.0.0-00010101000000-000000000000
-	github.com/andybalholm/brotli v1.0.4
+	github.com/aliyun/aliyun-oss-go-sdk v2.2.7+incompatible
+	github.com/andybalholm/brotli v1.0.5
+	github.com/aws/aws-sdk-go v1.44.279
 	github.com/biessek/golang-ico v0.0.0-20180326222316-d348d9ea4670
 	github.com/cespare/xxhash v1.1.0
-	github.com/chai2010/webp v1.1.0 // indirect
 	github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f
-	github.com/fsnotify/fsnotify v1.5.1
+	github.com/fsnotify/fsnotify v1.6.0
 	github.com/go-redis/redis/v8 v8.11.5
-	github.com/golang/protobuf v1.5.2
-	github.com/google/nftables v0.0.0-20220407195405-950e408d48c6
-	github.com/iwind/TeaGo v0.0.0-20220304043459-0dd944a5b475
+	github.com/golang/protobuf v1.5.3
+	github.com/google/nftables v0.1.0
+	github.com/huaweicloud/huaweicloud-sdk-go-obs v3.23.4+incompatible
+	github.com/iwind/TeaGo v0.0.0-20230630104525-161f0b32996d
 	github.com/iwind/gofcgi v0.0.0-20210528023741-a92711d45f11
 	github.com/iwind/gosock v0.0.0-20211103081026-ee4652210ca4
-	github.com/iwind/gowebp v0.0.0-20211029040624-7331ecc78ed8
-	github.com/jsummers/gobmp v0.0.0-20151104160322-e2ba15ffa76e // indirect
-	github.com/kr/text v0.2.0 // indirect
+	github.com/iwind/gowebp v0.0.0-20230615040911-5013dbb9d508
+	github.com/klauspost/compress v1.16.5
 	github.com/mattn/go-sqlite3 v1.14.9
+	github.com/mdlayher/netlink v1.7.1
 	github.com/miekg/dns v1.1.43
-	github.com/mssola/user_agent v0.5.3
+	github.com/mssola/useragent v1.0.0
 	github.com/pires/go-proxyproto v0.6.1
+	github.com/qiniu/go-sdk/v7 v7.16.0
+	github.com/quic-go/quic-go v0.36.1
 	github.com/shirou/gopsutil/v3 v3.22.2
-	golang.org/x/image v0.0.0-20211028202545-6944b10bf410
-	golang.org/x/net v0.0.0-20220225172249-27dd8689420f
-	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad
-	golang.org/x/text v0.3.7
-	google.golang.org/grpc v1.45.0
-	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
+	github.com/tencentyun/cos-go-sdk-v5 v0.7.41
+	golang.org/x/image v0.7.0
+	golang.org/x/net v0.12.0
+	golang.org/x/sys v0.10.0
+	google.golang.org/grpc v1.55.0
+	gopkg.in/yaml.v3 v3.0.1
+)
+
+require (
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/chai2010/webp v1.1.1 // indirect
+	github.com/clbanning/mxj v1.8.4 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
+	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
+	github.com/golang/mock v1.6.0 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/go-querystring v1.0.0 // indirect
+	github.com/google/pprof v0.0.0-20230705174524-200ffdc848b8 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/josharian/native v1.0.0 // indirect
+	github.com/jsummers/gobmp v0.0.0-20151104160322-e2ba15ffa76e // indirect
+	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
+	github.com/mdlayher/socket v0.4.0 // indirect
+	github.com/mitchellh/mapstructure v1.4.3 // indirect
+	github.com/mozillazg/go-httpheader v0.2.1 // indirect
+	github.com/onsi/ginkgo/v2 v2.11.0 // indirect
+	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
+	github.com/quic-go/qpack v0.4.0 // indirect
+	github.com/quic-go/qtls-go1-19 v0.3.2 // indirect
+	github.com/quic-go/qtls-go1-20 v0.2.2 // indirect
+	github.com/tdewolff/minify/v2 v2.12.7 // indirect
+	github.com/tdewolff/parse/v2 v2.6.6 // indirect
+	github.com/tklauser/go-sysconf v0.3.9 // indirect
+	github.com/tklauser/numcpus v0.3.0 // indirect
+	github.com/yusufpapurcu/wmi v1.2.2 // indirect
+	golang.org/x/crypto v0.11.0 // indirect
+	golang.org/x/exp v0.0.0-20230626212559-97b1e661b5df // indirect
+	golang.org/x/mod v0.12.0 // indirect
+	golang.org/x/sync v0.3.0 // indirect
+	golang.org/x/text v0.11.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.11.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
 )

go.sum

@@ -1,412 +1,265 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/toml v0.4.1 h1:GaI7EiDXDRfa8VshkTj7Fym7ha+y8/XxIgD2okUIjLw=
-github.com/BurntSushi/toml v0.4.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/DataDog/sketches-go v0.0.0-20190923095040-43f19ad77ff7/go.mod h1:Q5DbzQ+3AkgGwymQO7aZFNP7ns2lZKGtvRBzRXfdi60=
 github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
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-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20220317150908-0efb43f6373e h1:fNKDNuUyC4WH+inqDMpfXDdfvwfYILbsX+oskGZ8hxg=
-google.golang.org/genproto v0.0.0-20220317150908-0efb43f6373e/go.mod h1:hAL49I2IFola2sVEjAn7MEwsja0xp51I0tlGAf9hz4E=
-google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
-google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.45.0 h1:NEpgUqV3Z+ZjkqMsxMg11IaDrXY4RY6CQukSGK0uI1M=
-google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
-google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
-google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
-google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
-google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
-google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
-google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc h1:XSJ8Vk1SWuNr8S18z1NZSziL0CPIXLCCMDOEFtHBOFc=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc/go.mod h1:66JfowdXAEgad5O9NnYcsNPLCPZJD++2L9X0PCMODrA=
+google.golang.org/grpc v1.55.0 h1:3Oj82/tFSCeUrRTg/5E/7d/W5A1tj6Ky1ABAuZuv5ag=
+google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
+google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
-gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
-gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.2.1/go.mod h1:lPVVZ2BS5TfnjLyizF7o7hv7j9/L+8cZY2hLyjP9cGY=
-honnef.co/go/tools v0.2.2 h1:MNh1AVMyVX23VUHE2O27jm6lNj3vjO5DexS4A1xvnzk=
-honnef.co/go/tools v0.2.2/go.mod h1:lPVVZ2BS5TfnjLyizF7o7hv7j9/L+8cZY2hLyjP9cGY=
-rogchap.com/v8go v0.7.0/go.mod h1:MxgP3pL2MW4dpme/72QRs8sgNMmM0pRc8DPhcuLWPAs=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/apps/app_cmd.go

@@ -3,6 +3,7 @@ package apps
 import (
 	"fmt"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
 	"github.com/iwind/TeaGo/logs"
 	"github.com/iwind/TeaGo/maps"
 	"github.com/iwind/TeaGo/types"
@@ -215,9 +216,12 @@ func (this *AppCmd) runStop() {
 
 	// 从systemd中停止
 	if runtime.GOOS == "linux" {
-		systemctl, _ := exec.LookPath("systemctl")
+		systemctl, _ := executils.LookPath("systemctl")
 		if len(systemctl) > 0 {
-			_ = exec.Command(systemctl, "stop", teaconst.SystemdServiceName).Run()
+			go func() {
+				// 有可能会长时间执行，这里不阻塞进程
+				_ = exec.Command(systemctl, "stop", teaconst.SystemdServiceName).Run()
+			}()
 		}
 	}
 

internal/apps/log_writer.go

@@ -41,7 +41,7 @@ func (this *LogWriter) Init() {
 	this.c = make(chan string, 1024)
 
 	// 异步写入文件
-	var maxFileSize = 2 * sizes.G // 文件最大尺寸，超出此尺寸则清空
+	var maxFileSize = 128 * sizes.M // 文件最大尺寸，超出此尺寸则清空
 	if fp != nil {
 		goman.New(func() {
 			var totalSize int64 = 0
@@ -89,7 +89,10 @@ func (this *LogWriter) Write(message string) {
 		}
 	}
 
-	this.c <- message
+	select {
+	case this.c <- message:
+	default:
+	}
 }
 
 func (this *LogWriter) Close() {

internal/apps/main.go

@@ -0,0 +1,11 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package apps
+
+import teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+
+func RunMain(f func()) {
+	if teaconst.IsMain {
+		f()
+	}
+}

internal/caches/consts.go

@@ -3,6 +3,7 @@
 package caches
 
 const (
+	SuffixAll         = "@GOEDGE_"        // 通用后缀
 	SuffixWebP        = "@GOEDGE_WEBP"    // WebP后缀
 	SuffixCompression = "@GOEDGE_"        // 压缩后缀 SuffixCompression + Encoding
 	SuffixMethod      = "@GOEDGE_"        // 请求方法后缀 SuffixMethod + RequestMethod

internal/caches/errors.go

@@ -7,7 +7,7 @@ import "errors"
 // 常用的几个错误
 var (
 	ErrNotFound           = errors.New("cache not found")
-	ErrFileIsWriting      = errors.New("the file is writing")
+	ErrFileIsWriting      = errors.New("the cache file is updating")
 	ErrInvalidRange       = errors.New("invalid range")
 	ErrEntityTooLarge     = errors.New("entity too large")
 	ErrWritingUnavailable = errors.New("writing unavailable")

internal/caches/file_dir.go

@@ -0,0 +1,11 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package caches
+
+import "github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
+
+type FileDir struct {
+	Path     string
+	Capacity *shared.SizeCapacity
+	IsFull   bool
+}

internal/caches/item.go

@@ -1,7 +1,8 @@
 package caches
 
 import (
-	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/fasttime"
+	"strings"
 	"time"
 )
 
@@ -35,7 +36,7 @@ type Item struct {
 }
 
 func (this *Item) IsExpired() bool {
-	return this.ExpiredAt < utils.UnixTime()
+	return this.ExpiredAt < fasttime.Now().Unix()
 }
 
 func (this *Item) TotalSize() int64 {
@@ -59,3 +60,17 @@ func (this *Item) IncreaseHit(week int32) {
 		this.Week = week
 	}
 }
+
+func (this *Item) RequestURI() string {
+	var schemeIndex = strings.Index(this.Key, "://")
+	if schemeIndex <= 0 {
+		return ""
+	}
+
+	var firstSlashIndex = strings.Index(this.Key[schemeIndex+3:], "/")
+	if firstSlashIndex <= 0 {
+		return ""
+	}
+
+	return this.Key[schemeIndex+3+firstSlashIndex:]
+}

internal/caches/item_test.go

@@ -81,3 +81,14 @@ func TestItems_Memory2(t *testing.T) {
 		t.Log(w, len(i))
 	}
 }
+
+func TestItem_RequestURI(t *testing.T) {
+	for _, u := range []string{
+		"https://goedge.cn/hello/world",
+		"https://goedge.cn:8080/hello/world",
+		"https://goedge.cn/hello/world?v=1&t=123",
+	} {
+		var item = &Item{Key: u}
+		t.Log(u, "=>", item.RequestURI())
+	}
+}

internal/caches/list_file.go

@@ -7,11 +7,10 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/ttlcache"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/dbs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/fnv"
 	"github.com/iwind/TeaGo/types"
-	_ "github.com/mattn/go-sqlite3"
 	"os"
-	"sync/atomic"
 	"time"
 )
 
@@ -21,7 +20,6 @@ const CountFileDB = 20
 type FileList struct {
 	dir    string
 	dbList [CountFileDB]*FileListDB
-	total  int64
 
 	onAdd    func(item *Item)
 	onRemove func(item *Item)
@@ -76,12 +74,6 @@ func (this *FileList) Init() error {
 		this.dbList[i] = db
 	}
 
-	// 读取总数量
-	this.total = 0
-	for _, db := range this.dbList {
-		this.total += db.total
-	}
-
 	// 升级老版本数据库
 	goman.New(func() {
 		this.upgradeOldDB()
@@ -96,19 +88,17 @@ func (this *FileList) Reset() error {
 }
 
 func (this *FileList) Add(hash string, item *Item) error {
-	var db = this.getDB(hash)
+	var db = this.GetDB(hash)
 
 	if !db.IsReady() {
 		return nil
 	}
 
-	err := db.Add(hash, item)
+	err := db.AddSync(hash, item)
 	if err != nil {
 		return err
 	}
 
-	atomic.AddInt64(&this.total, 1)
-
 	// 这里不增加点击量，以减少对数据库的操作次数
 
 	this.memoryCache.Write(hash, 1, item.ExpiredAt)
@@ -120,12 +110,17 @@ func (this *FileList) Add(hash string, item *Item) error {
 }
 
 func (this *FileList) Exist(hash string) (bool, error) {
-	var db = this.getDB(hash)
+	var db = this.GetDB(hash)
 
 	if !db.IsReady() {
 		return false, nil
 	}
 
+	// 如果Hash列表里不存在，那么必然不存在
+	if !db.hashMap.Exist(hash) {
+		return false, nil
+	}
+
 	var item = this.memoryCache.Read(hash)
 	if item != nil {
 		return true, nil
@@ -155,6 +150,7 @@ func (this *FileList) CleanPrefix(prefix string) error {
 	}
 
 	defer func() {
+		// TODO 需要优化
 		this.memoryCache.Clean()
 	}()
 
@@ -167,6 +163,46 @@ func (this *FileList) CleanPrefix(prefix string) error {
 	return nil
 }
 
+// CleanMatchKey 清理通配符匹配的缓存数据，类似于 https://*.example.com/hello
+func (this *FileList) CleanMatchKey(key string) error {
+	if len(key) == 0 {
+		return nil
+	}
+
+	defer func() {
+		// TODO 需要优化
+		this.memoryCache.Clean()
+	}()
+
+	for _, db := range this.dbList {
+		err := db.CleanMatchKey(key)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// CleanMatchPrefix 清理通配符匹配的缓存数据，类似于 https://*.example.com/prefix/
+func (this *FileList) CleanMatchPrefix(prefix string) error {
+	if len(prefix) == 0 {
+		return nil
+	}
+
+	defer func() {
+		// TODO 需要优化
+		this.memoryCache.Clean()
+	}()
+
+	for _, db := range this.dbList {
+		err := db.CleanMatchPrefix(prefix)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 func (this *FileList) Remove(hash string) error {
 	_, err := this.remove(hash)
 	return err
@@ -225,9 +261,9 @@ func (this *FileList) PurgeLFU(count int, callback func(hash string) error) erro
 				return err
 			}
 			if notFound {
-				_, err = db.deleteHitByHashStmt.Exec(hash)
+				err = db.DeleteHitAsync(hash)
 				if err != nil {
-					return err
+					return db.WrapError(err)
 				}
 			}
 
@@ -250,8 +286,6 @@ func (this *FileList) CleanAll() error {
 		}
 	}
 
-	atomic.StoreInt64(&this.total, 0)
-
 	return nil
 }
 
@@ -266,7 +300,7 @@ func (this *FileList) Stat(check func(hash string) bool) (*Stat, error) {
 		// 这里不设置过期时间、不使用 check 函数，目的是让查询更快速一些
 		_ = check
 
-		row := db.statStmt.QueryRow()
+		var row = db.statStmt.QueryRow()
 		if row.Err() != nil {
 			return nil, row.Err()
 		}
@@ -286,18 +320,26 @@ func (this *FileList) Stat(check func(hash string) bool) (*Stat, error) {
 // Count 总数量
 // 常用的方法，所以避免直接查询数据库
 func (this *FileList) Count() (int64, error) {
-	return atomic.LoadInt64(&this.total), nil
+	var total int64
+	for _, db := range this.dbList {
+		count, err := db.Total()
+		if err != nil {
+			return 0, err
+		}
+		total += count
+	}
+	return total, nil
 }
 
 // IncreaseHit 增加点击量
 func (this *FileList) IncreaseHit(hash string) error {
-	var db = this.getDB(hash)
+	var db = this.GetDB(hash)
 
 	if !db.IsReady() {
 		return nil
 	}
 
-	return db.IncreaseHit(hash)
+	return db.IncreaseHitAsync(hash)
 }
 
 // OnAdd 添加事件
@@ -326,51 +368,39 @@ func (this *FileList) GetDBIndex(hash string) uint64 {
 	return fnv.HashString(hash) % CountFileDB
 }
 
-func (this *FileList) getDB(hash string) *FileListDB {
+func (this *FileList) GetDB(hash string) *FileListDB {
 	return this.dbList[fnv.HashString(hash)%CountFileDB]
 }
 
 func (this *FileList) remove(hash string) (notFound bool, err error) {
-	var db = this.getDB(hash)
+	var db = this.GetDB(hash)
 
 	if !db.IsReady() {
 		return false, nil
 	}
 
+	// HashMap中不存在，则确定不存在
+	if !db.hashMap.Exist(hash) {
+		return true, nil
+	}
+	defer db.hashMap.Delete(hash)
+
 	// 从缓存中删除
 	this.memoryCache.Delete(hash)
 
-	var row = db.selectByHashStmt.QueryRow(hash)
-	if row.Err() != nil {
-		if row.Err() == sql.ErrNoRows {
-			return true, nil
-		}
-		return false, row.Err()
+	err = db.DeleteSync(hash)
+	if err != nil {
+		return false, db.WrapError(err)
 	}
 
-	var item = &Item{Type: ItemTypeFile}
-	err = row.Scan(&item.Key, &item.HeaderSize, &item.BodySize, &item.MetaSize, &item.ExpiredAt)
+	err = db.DeleteHitAsync(hash)
 	if err != nil {
-		if err == sql.ErrNoRows {
-			return true, nil
-		}
-		return false, err
-	}
-
-	_, err = db.deleteByHashStmt.Exec(hash)
-	if err != nil {
-		return false, err
-	}
-
-	atomic.AddInt64(&this.total, -1)
-
-	_, err = db.deleteHitByHashStmt.Exec(hash)
-	if err != nil {
-		return false, err
+		return false, db.WrapError(err)
 	}
 
 	if this.onRemove != nil {
-		this.onRemove(item)
+		// when remove file item, no any extra information needed
+		this.onRemove(nil)
 	}
 
 	return false, nil
@@ -398,7 +428,7 @@ func (this *FileList) UpgradeV3(oldDir string, brokenOnError bool) error {
 		remotelogs.Println("CACHE", "upgrading local database finished")
 	}()
 
-	db, err := sql.Open("sqlite3", "file:"+indexDBPath+"?cache=shared&mode=rwc&_journal_mode=WAL&_sync=OFF")
+	db, err := dbs.OpenWriter("file:" + indexDBPath + "?cache=shared&mode=rwc&_journal_mode=WAL&_sync=OFF&_locking_mode=EXCLUSIVE")
 	if err != nil {
 		return err
 	}

internal/caches/list_file_db.go

@@ -3,82 +3,134 @@
 package caches
 
 import (
-	"database/sql"
 	"errors"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/dbs"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/fasttime"
+	"github.com/iwind/TeaGo/logs"
 	"github.com/iwind/TeaGo/types"
 	timeutil "github.com/iwind/TeaGo/utils/time"
+	"net"
+	"net/url"
+	"os"
+	"path/filepath"
 	"runtime"
 	"strings"
 	"time"
 )
 
 type FileListDB struct {
+	dbPath string
+
 	readDB  *dbs.DB
 	writeDB *dbs.DB
 
+	writeBatch *dbs.Batch
+
+	hashMap *FileListHashMap
+
 	itemsTableName string
 	hitsTableName  string
 
-	total int64
-
 	isClosed bool
 	isReady  bool
 
 	// cacheItems
-	existsByHashStmt   *dbs.Stmt // 根据hash检查是否存在
-	insertStmt         *dbs.Stmt // 写入数据
-	selectByHashStmt   *dbs.Stmt // 使用hash查询数据
-	deleteByHashStmt   *dbs.Stmt // 根据hash删除数据
-	statStmt           *dbs.Stmt // 统计
-	purgeStmt          *dbs.Stmt // 清理
-	deleteAllStmt      *dbs.Stmt // 删除所有数据
-	listOlderItemsStmt *dbs.Stmt // 读取较早存储的缓存
+	existsByHashStmt *dbs.Stmt // 根据hash检查是否存在
+
+	insertStmt *dbs.Stmt // 写入数据
+	insertSQL  string
+
+	selectByHashStmt *dbs.Stmt // 使用hash查询数据
+
+	selectHashListStmt *dbs.Stmt
+
+	deleteByHashStmt *dbs.Stmt // 根据hash删除数据
+	deleteByHashSQL  string
+
+	statStmt            *dbs.Stmt // 统计
+	purgeStmt           *dbs.Stmt // 清理
+	deleteAllStmt       *dbs.Stmt // 删除所有数据
+	listOlderItemsStmt  *dbs.Stmt // 读取较早存储的缓存
+	updateAccessWeekSQL string    // 修改访问日期
 
 	// hits
-	insertHitStmt       *dbs.Stmt // 写入数据
-	increaseHitStmt     *dbs.Stmt // 增加点击量
-	deleteHitByHashStmt *dbs.Stmt // 根据hash删除数据
-	lfuHitsStmt         *dbs.Stmt // 读取老的数据
+	insertHitSQL       string // 写入数据
+	increaseHitSQL     string // 增加点击量
+	deleteHitByHashSQL string // 根据hash删除数据
 }
 
 func NewFileListDB() *FileListDB {
-	return &FileListDB{}
+	return &FileListDB{
+		hashMap: NewFileListHashMap(),
+	}
 }
 
 func (this *FileListDB) Open(dbPath string) error {
+	this.dbPath = dbPath
+
+	// 动态调整Cache值
+	var cacheSize = 32000
+	var memoryGB = utils.SystemMemoryGB()
+	if memoryGB >= 8 {
+		cacheSize += 32000 * memoryGB / 8
+	}
+
 	// write db
-	writeDB, err := sql.Open("sqlite3", "file:"+dbPath+"?cache=private&mode=rwc&_journal_mode=WAL&_sync=OFF&_cache_size=32000&_secure_delete=FAST")
+	// 这里不能加 EXCLUSIVE 锁，不然异步事务可能会失败
+	writeDB, err := dbs.OpenWriter("file:" + dbPath + "?cache=private&mode=rwc&_journal_mode=WAL&_sync=OFF&_cache_size=" + types.String(cacheSize) + "&_secure_delete=FAST")
 	if err != nil {
 		return errors.New("open write database failed: " + err.Error())
 	}
 
 	writeDB.SetMaxOpenConns(1)
 
+	this.writeDB = writeDB
+
 	// TODO 耗时过长，暂时不整理数据库
 	// TODO 需要根据行数来判断是否VACUUM
+	// TODO 注意VACUUM反而可能让数据库文件变大
 	/**_, err = db.Exec("VACUUM")
 	if err != nil {
 		return err
 	}**/
 
-	this.writeDB = dbs.NewDB(writeDB)
+	// 检查是否损坏
+	// TODO 暂时屏蔽，因为用时过长
+
+	var recoverEnv, _ = os.LookupEnv("EdgeRecover")
+	if len(recoverEnv) > 0 && this.shouldRecover() {
+		for _, indexName := range []string{"staleAt", "hash"} {
+			_, _ = this.writeDB.Exec(`REINDEX "` + indexName + `"`)
+		}
+	}
+
+	this.writeBatch = dbs.NewBatch(writeDB, 4)
+	this.writeBatch.OnFail(func(err error) {
+		remotelogs.Warn("LIST_FILE_DB", "run batch failed: "+err.Error()+" ("+filepath.Base(this.dbPath)+")")
+	})
+
+	goman.New(func() {
+		this.writeBatch.Exec()
+	})
 
 	if teaconst.EnableDBStat {
+		this.writeBatch.EnableStat(true)
 		this.writeDB.EnableStat(true)
 	}
 
 	// read db
-	readDB, err := sql.Open("sqlite3", "file:"+dbPath+"?cache=private&mode=ro&_journal_mode=WAL&_sync=OFF&_cache_size=32000")
+	readDB, err := dbs.OpenReader("file:" + dbPath + "?cache=private&mode=ro&_journal_mode=WAL&_sync=OFF&_cache_size=" + types.String(cacheSize))
 	if err != nil {
 		return errors.New("open read database failed: " + err.Error())
 	}
 
 	readDB.SetMaxOpenConns(runtime.NumCPU())
 
-	this.readDB = dbs.NewDB(readDB)
+	this.readDB = readDB
 
 	if teaconst.EnableDBStat {
 		this.readDB.EnableStat(true)
@@ -97,25 +149,14 @@ func (this *FileListDB) Init() error {
 		return errors.New("init tables failed: " + err.Error())
 	}
 
-	// 读取总数量
-	row := this.readDB.QueryRow(`SELECT COUNT(*) FROM "` + this.itemsTableName + `"`)
-	if row.Err() != nil {
-		return row.Err()
-	}
-	var total int64
-	err = row.Scan(&total)
-	if err != nil {
-		return err
-	}
-	this.total = total
-
 	// 常用语句
 	this.existsByHashStmt, err = this.readDB.Prepare(`SELECT "expiredAt" FROM "` + this.itemsTableName + `" INDEXED BY "hash" WHERE "hash"=? AND expiredAt>? LIMIT 1`)
 	if err != nil {
 		return err
 	}
 
-	this.insertStmt, err = this.writeDB.Prepare(`INSERT INTO "` + this.itemsTableName + `" ("hash", "key", "headerSize", "bodySize", "metaSize", "expiredAt", "staleAt", "host", "serverId", "createdAt") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`)
+	this.insertSQL = `INSERT INTO "` + this.itemsTableName + `" ("hash", "key", "headerSize", "bodySize", "metaSize", "expiredAt", "staleAt", "host", "serverId", "createdAt", "accessWeek") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`
+	this.insertStmt, err = this.writeDB.Prepare(this.insertSQL)
 	if err != nil {
 		return err
 	}
@@ -125,7 +166,13 @@ func (this *FileListDB) Init() error {
 		return err
 	}
 
-	this.deleteByHashStmt, err = this.writeDB.Prepare(`DELETE FROM "` + this.itemsTableName + `" WHERE "hash"=?`)
+	this.selectHashListStmt, err = this.readDB.Prepare(`SELECT "id", "hash" FROM "` + this.itemsTableName + `" WHERE id>:id ORDER BY id ASC LIMIT 2000`)
+	if err != nil {
+		return err
+	}
+
+	this.deleteByHashSQL = `DELETE FROM "` + this.itemsTableName + `" WHERE "hash"=?`
+	this.deleteByHashStmt, err = this.writeDB.Prepare(this.deleteByHashSQL)
 	if err != nil {
 		return err
 	}
@@ -145,27 +192,43 @@ func (this *FileListDB) Init() error {
 		return err
 	}
 
-	this.listOlderItemsStmt, err = this.readDB.Prepare(`SELECT "hash" FROM "` + this.itemsTableName + `" ORDER BY "id" ASC LIMIT ?`)
-
-	this.insertHitStmt, err = this.writeDB.Prepare(`INSERT INTO "` + this.hitsTableName + `" ("hash", "week2Hits", "week") VALUES (?, 1, ?)`)
-
-	this.increaseHitStmt, err = this.writeDB.Prepare(`INSERT INTO "` + this.hitsTableName + `" ("hash", "week2Hits", "week") VALUES (?, 1, ?) ON CONFLICT("hash") DO UPDATE SET "week1Hits"=IIF("week"=?, "week1Hits", "week2Hits"), "week2Hits"=IIF("week"=?, "week2Hits"+1, 1), "week"=?`)
+	this.listOlderItemsStmt, err = this.readDB.Prepare(`SELECT "hash" FROM "` + this.itemsTableName + `" ORDER BY "accessWeek" ASC, "id" ASC LIMIT ?`)
 	if err != nil {
 		return err
 	}
 
-	this.deleteHitByHashStmt, err = this.writeDB.Prepare(`DELETE FROM "` + this.hitsTableName + `" WHERE "hash"=?`)
-	if err != nil {
-		return err
-	}
+	this.updateAccessWeekSQL = `UPDATE "` + this.itemsTableName + `" SET "accessWeek"=? WHERE "hash"=?`
 
-	this.lfuHitsStmt, err = this.readDB.Prepare(`SELECT "hash" FROM "` + this.hitsTableName + `" ORDER BY "week" ASC, "week1Hits"+"week2Hits" ASC LIMIT ?`)
-	if err != nil {
-		return err
-	}
+	this.insertHitSQL = `INSERT INTO "` + this.hitsTableName + `" ("hash", "week2Hits", "week") VALUES (?, 1, ?)`
+
+	this.increaseHitSQL = `INSERT INTO "` + this.hitsTableName + `" ("hash", "week2Hits", "week") VALUES (?, 1, ?) ON CONFLICT("hash") DO UPDATE SET "week1Hits"=IIF("week"=?, "week1Hits", "week2Hits"), "week2Hits"=IIF("week"=?, "week2Hits"+1, 1), "week"=?`
+
+	this.deleteHitByHashSQL = `DELETE FROM "` + this.hitsTableName + `" WHERE "hash"=?`
 
 	this.isReady = true
 
+	// 加载HashMap
+	go func() {
+		err := this.hashMap.Load(this)
+		if err != nil {
+			remotelogs.Error("LIST_FILE_DB", "load hash map failed: "+err.Error()+"(file: "+this.dbPath+")")
+
+			// 自动修复错误
+			// TODO 将来希望能尽可能恢复以往数据库中的内容
+			if strings.Contains(err.Error(), "database is closed") || strings.Contains(err.Error(), "database disk image is malformed") {
+				_ = this.Close()
+				this.deleteDB()
+				remotelogs.Println("LIST_FILE_DB", "recreating the database (file:"+this.dbPath+") ...")
+				err = this.Open(this.dbPath)
+				if err != nil {
+					remotelogs.Error("LIST_FILE_DB", "recreate the database failed: "+err.Error()+" (file:"+this.dbPath+")")
+				} else {
+					_ = this.Init()
+				}
+			}
+		}
+	}()
+
 	return nil
 }
 
@@ -173,21 +236,39 @@ func (this *FileListDB) IsReady() bool {
 	return this.isReady
 }
 
-func (this *FileListDB) Total() int64 {
-	return this.total
+func (this *FileListDB) Total() (int64, error) {
+	// 读取总数量
+	var row = this.readDB.QueryRow(`SELECT COUNT(*) FROM "` + this.itemsTableName + `"`)
+	if row.Err() != nil {
+		return 0, row.Err()
+	}
+	var total int64
+	err := row.Scan(&total)
+	return total, err
 }
 
-func (this *FileListDB) Add(hash string, item *Item) error {
+func (this *FileListDB) AddSync(hash string, item *Item) error {
+	this.hashMap.Add(hash)
+
 	if item.StaleAt == 0 {
 		item.StaleAt = item.ExpiredAt
 	}
 
-	// 放入队列
-	_, err := this.insertStmt.Exec(hash, item.Key, item.HeaderSize, item.BodySize, item.MetaSize, item.ExpiredAt, item.StaleAt, item.Host, item.ServerId, utils.UnixTime())
+	_, err := this.insertStmt.Exec(hash, item.Key, item.HeaderSize, item.BodySize, item.MetaSize, item.ExpiredAt, item.StaleAt, item.Host, item.ServerId, fasttime.Now().Unix(), timeutil.Format("YW"))
+	if err != nil {
+		return this.WrapError(err)
+	}
+
+	return nil
+}
+
+func (this *FileListDB) DeleteSync(hash string) error {
+	this.hashMap.Delete(hash)
+
+	_, err := this.deleteByHashStmt.Exec(hash)
 	if err != nil {
 		return err
 	}
-
 	return nil
 }
 
@@ -228,28 +309,56 @@ func (this *FileListDB) ListLFUItems(count int) (hashList []string, err error) {
 		count = 100
 	}
 
-	hashList, err = this.listLFUItems(count)
+	// 先找过期的
+	hashList, err = this.ListExpiredItems(count)
 	if err != nil {
 		return
 	}
+	var l = len(hashList)
 
-	if len(hashList) > count/2 {
-		return
+	// 从旧缓存中补充
+	if l < count {
+		oldHashList, err := this.listOlderItems(count - l)
+		if err != nil {
+			return nil, err
+		}
+		hashList = append(hashList, oldHashList...)
 	}
 
-	// 不足补齐
-	olderHashList, err := this.listOlderItems(count - len(hashList))
+	return hashList, nil
+}
+
+func (this *FileListDB) ListHashes(lastId int64) (hashList []string, maxId int64, err error) {
+	rows, err := this.selectHashListStmt.Query(lastId)
 	if err != nil {
-		return nil, err
+		return nil, 0, err
 	}
-	hashList = append(hashList, olderHashList...)
+	var id int64
+	var hash string
+	for rows.Next() {
+		err = rows.Scan(&id, &hash)
+		if err != nil {
+			_ = rows.Close()
+			return
+		}
+		maxId = id
+		hashList = append(hashList, hash)
+	}
+
+	_ = rows.Close()
 	return
 }
 
-func (this *FileListDB) IncreaseHit(hash string) error {
+func (this *FileListDB) IncreaseHitAsync(hash string) error {
 	var week = timeutil.Format("YW")
-	_, err := this.increaseHitStmt.Exec(hash, week, week, week, week)
-	return err
+	this.writeBatch.Add(this.increaseHitSQL, hash, week, week, week, week)
+	this.writeBatch.Add(this.updateAccessWeekSQL, week, hash)
+	return nil
+}
+
+func (this *FileListDB) DeleteHitAsync(hash string) error {
+	this.writeBatch.Add(this.deleteHitByHashSQL, hash)
+	return nil
 }
 
 func (this *FileListDB) CleanPrefix(prefix string) error {
@@ -257,12 +366,12 @@ func (this *FileListDB) CleanPrefix(prefix string) error {
 		return nil
 	}
 	var count = int64(10000)
-	var staleLife = 600             // TODO 需要可以设置
-	var unixTime = utils.UnixTime() // 只删除当前的，不删除新的
+	var staleLife = 600                  // TODO 需要可以设置
+	var unixTime = fasttime.Now().Unix() // 只删除当前的，不删除新的
 	for {
 		result, err := this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET expiredAt=0,staleAt=? WHERE id IN (SELECT id FROM "`+this.itemsTableName+`" WHERE expiredAt>0 AND createdAt<=? AND INSTR("key", ?)=1 LIMIT `+types.String(count)+`)`, unixTime+int64(staleLife), unixTime, prefix)
 		if err != nil {
-			return err
+			return this.WrapError(err)
 		}
 		affectedRows, err := result.RowsAffected()
 		if err != nil {
@@ -274,12 +383,45 @@ func (this *FileListDB) CleanPrefix(prefix string) error {
 	}
 }
 
-func (this *FileListDB) CleanAll() error {
+func (this *FileListDB) CleanMatchKey(key string) error {
 	if !this.isReady {
 		return nil
 	}
 
-	_, err := this.deleteAllStmt.Exec()
+	// 忽略 @GOEDGE_
+	if strings.Contains(key, SuffixAll) {
+		return nil
+	}
+
+	u, err := url.Parse(key)
+	if err != nil {
+		return nil
+	}
+
+	var host = u.Host
+	hostPart, _, err := net.SplitHostPort(host)
+	if err == nil && len(hostPart) > 0 {
+		host = hostPart
+	}
+	if len(host) == 0 {
+		return nil
+	}
+
+	// 转义
+	var queryKey = strings.ReplaceAll(key, "%", "\\%")
+	queryKey = strings.ReplaceAll(queryKey, "_", "\\_")
+	queryKey = strings.Replace(queryKey, "*", "%", 1)
+
+	// TODO 检查大批量数据下的操作性能
+	var staleLife = 600                  // TODO 需要可以设置
+	var unixTime = fasttime.Now().Unix() // 只删除当前的，不删除新的
+
+	_, err = this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET "expiredAt"=0, "staleAt"=? WHERE "host" GLOB ? AND "host" NOT GLOB ? AND "key" LIKE ? ESCAPE '\'`, unixTime+int64(staleLife), host, "*."+host, queryKey)
+	if err != nil {
+		return err
+	}
+
+	_, err = this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET "expiredAt"=0, "staleAt"=? WHERE "host" GLOB ? AND "host" NOT GLOB ? AND "key" LIKE ? ESCAPE '\'`, unixTime+int64(staleLife), host, "*."+host, queryKey+SuffixAll+"%")
 	if err != nil {
 		return err
 	}
@@ -287,7 +429,59 @@ func (this *FileListDB) CleanAll() error {
 	return nil
 }
 
+func (this *FileListDB) CleanMatchPrefix(prefix string) error {
+	if !this.isReady {
+		return nil
+	}
+
+	u, err := url.Parse(prefix)
+	if err != nil {
+		return nil
+	}
+
+	var host = u.Host
+	hostPart, _, err := net.SplitHostPort(host)
+	if err == nil && len(hostPart) > 0 {
+		host = hostPart
+	}
+	if len(host) == 0 {
+		return nil
+	}
+
+	// 转义
+	var queryPrefix = strings.ReplaceAll(prefix, "%", "\\%")
+	queryPrefix = strings.ReplaceAll(queryPrefix, "_", "\\_")
+	queryPrefix = strings.Replace(queryPrefix, "*", "%", 1)
+	queryPrefix += "%"
+
+	// TODO 检查大批量数据下的操作性能
+	var staleLife = 600                  // TODO 需要可以设置
+	var unixTime = fasttime.Now().Unix() // 只删除当前的，不删除新的
+
+	_, err = this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET "expiredAt"=0, "staleAt"=? WHERE "host" GLOB ? AND "host" NOT GLOB ? AND "key" LIKE ? ESCAPE '\'`, unixTime+int64(staleLife), host, "*."+host, queryPrefix)
+	return err
+}
+
+func (this *FileListDB) CleanAll() error {
+	if !this.isReady {
+		return nil
+	}
+
+	_, err := this.deleteAllStmt.Exec()
+	if err != nil {
+		return this.WrapError(err)
+	}
+
+	this.hashMap.Clean()
+
+	return nil
+}
+
 func (this *FileListDB) Close() error {
+	if this.isClosed {
+		return nil
+	}
+
 	this.isClosed = true
 	this.isReady = false
 
@@ -300,6 +494,9 @@ func (this *FileListDB) Close() error {
 	if this.selectByHashStmt != nil {
 		_ = this.selectByHashStmt.Close()
 	}
+	if this.selectHashListStmt != nil {
+		_ = this.selectHashListStmt.Close()
+	}
 	if this.deleteByHashStmt != nil {
 		_ = this.deleteByHashStmt.Close()
 	}
@@ -316,19 +513,6 @@ func (this *FileListDB) Close() error {
 		_ = this.listOlderItemsStmt.Close()
 	}
 
-	if this.insertHitStmt != nil {
-		_ = this.insertHitStmt.Close()
-	}
-	if this.increaseHitStmt != nil {
-		_ = this.increaseHitStmt.Close()
-	}
-	if this.deleteHitByHashStmt != nil {
-		_ = this.deleteHitByHashStmt.Close()
-	}
-	if this.lfuHitsStmt != nil {
-		_ = this.lfuHitsStmt.Close()
-	}
-
 	var errStrings []string
 
 	if this.readDB != nil {
@@ -351,11 +535,19 @@ func (this *FileListDB) Close() error {
 	return errors.New("close database failed: " + strings.Join(errStrings, ", "))
 }
 
+func (this *FileListDB) WrapError(err error) error {
+	if err == nil {
+		return nil
+	}
+	return errors.New(err.Error() + "(file: " + this.dbPath + ")")
+}
+
 // 初始化
 func (this *FileListDB) initTables(times int) error {
 	{
 		// expiredAt - 过期时间，用来判断有无过期
 		// staleAt - 过时缓存最大时间，用来清理缓存
+		// 不对 hash 增加 unique 参数，是尽可能避免产生 malformed 错误
 		_, err := this.writeDB.Exec(`CREATE TABLE IF NOT EXISTS "` + this.itemsTableName + `" (
   "id" integer NOT NULL PRIMARY KEY AUTOINCREMENT,
   "hash" varchar(32),
@@ -368,7 +560,8 @@ func (this *FileListDB) initTables(times int) error {
   "staleAt" integer DEFAULT 0,
   "createdAt" integer DEFAULT 0,
   "host" varchar(128),
-  "serverId" integer
+  "serverId" integer,
+  "accessWeek" varchar(6)
 );
 
 DROP INDEX IF EXISTS "createdAt";
@@ -380,23 +573,32 @@ ON "` + this.itemsTableName + `" (
   "staleAt" ASC
 );
 
-CREATE UNIQUE INDEX IF NOT EXISTS "hash"
+CREATE INDEX IF NOT EXISTS "hash"
 ON "` + this.itemsTableName + `" (
   "hash" ASC
 );
+
+ALTER TABLE "cacheItems" ADD "accessWeek" varchar(6);
 `)
 
 		if err != nil {
-			// 尝试删除重建
-			if times < 3 {
-				_, dropErr := this.writeDB.Exec(`DROP TABLE "` + this.itemsTableName + `"`)
-				if dropErr == nil {
-					return this.initTables(times + 1)
-				}
-				return err
+			// 忽略可以预期的错误
+			if strings.Contains(err.Error(), "duplicate column name") {
+				err = nil
 			}
 
-			return err
+			// 尝试删除重建
+			if err != nil {
+				if times < 3 {
+					_, dropErr := this.writeDB.Exec(`DROP TABLE "` + this.itemsTableName + `"`)
+					if dropErr == nil {
+						return this.initTables(times + 1)
+					}
+					return this.WrapError(err)
+				}
+
+				return this.WrapError(err)
+			}
 		}
 	}
 
@@ -421,37 +623,16 @@ ON "` + this.hitsTableName + `" (
 				if dropErr == nil {
 					return this.initTables(times + 1)
 				}
-				return err
+				return this.WrapError(err)
 			}
 
-			return err
+			return this.WrapError(err)
 		}
 	}
 
 	return nil
 }
 
-func (this *FileListDB) listLFUItems(count int) (hashList []string, err error) {
-	rows, err := this.lfuHitsStmt.Query(count)
-	if err != nil {
-		return nil, err
-	}
-	defer func() {
-		_ = rows.Close()
-	}()
-
-	for rows.Next() {
-		var hash string
-		err = rows.Scan(&hash)
-		if err != nil {
-			return nil, err
-		}
-		hashList = append(hashList, hash)
-	}
-
-	return hashList, nil
-}
-
 func (this *FileListDB) listOlderItems(count int) (hashList []string, err error) {
 	rows, err := this.listOlderItemsStmt.Query(count)
 	if err != nil {
@@ -472,3 +653,28 @@ func (this *FileListDB) listOlderItems(count int) (hashList []string, err error)
 
 	return hashList, nil
 }
+
+func (this *FileListDB) shouldRecover() bool {
+	result, err := this.writeDB.Query("pragma integrity_check;")
+	if err != nil {
+		logs.Println(result)
+	}
+	var errString = ""
+	var shouldRecover = false
+	for result.Next() {
+		err = result.Scan(&errString)
+		if strings.TrimSpace(errString) != "ok" {
+			shouldRecover = true
+		}
+		break
+	}
+	_ = result.Close()
+	return shouldRecover
+}
+
+// 删除数据库文件
+func (this *FileListDB) deleteDB() {
+	_ = os.Remove(this.dbPath)
+	_ = os.Remove(this.dbPath + "-shm")
+	_ = os.Remove(this.dbPath + "-wal")
+}

internal/caches/list_file_db_test.go

@@ -0,0 +1,107 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package caches_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"github.com/iwind/TeaGo/Tea"
+	_ "github.com/iwind/TeaGo/bootstrap"
+	"testing"
+	"time"
+)
+
+func TestFileListDB_ListLFUItems(t *testing.T) {
+	var db = caches.NewFileListDB()
+
+	defer func() {
+		_ = db.Close()
+	}()
+
+	err := db.Open(Tea.Root + "/data/cache-db-large.db")
+	//err := db.Open(Tea.Root + "/data/cache-index/p1/db-0.db")
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = db.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	hashList, err := db.ListLFUItems(100)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("[", len(hashList), "]", hashList)
+}
+
+func TestFileListDB_IncreaseHitAsync(t *testing.T) {
+	var db = caches.NewFileListDB()
+
+	defer func() {
+		_ = db.Close()
+	}()
+
+	err := db.Open(Tea.Root + "/data/cache-db-large.db")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = db.Init()
+	err = db.IncreaseHitAsync("4598e5231ba47d6ec7aa9ea640ff2eaf")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// wait transaction
+	time.Sleep(1 * time.Second)
+}
+
+func TestFileListDB_CleanMatchKey(t *testing.T) {
+	var db = caches.NewFileListDB()
+
+	defer func() {
+		_ = db.Close()
+	}()
+
+	err := db.Open(Tea.Root + "/data/cache-db-large.db")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = db.Init()
+
+	err = db.CleanMatchKey("https://*.goedge.cn/large-text")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = db.CleanMatchKey("https://*.goedge.cn:1234/large-text?%2B____")
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestFileListDB_CleanMatchPrefix(t *testing.T) {
+	var db = caches.NewFileListDB()
+
+	defer func() {
+		_ = db.Close()
+	}()
+
+	err := db.Open(Tea.Root + "/data/cache-db-large.db")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = db.Init()
+
+	err = db.CleanMatchPrefix("https://*.goedge.cn/large-text")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = db.CleanMatchPrefix("https://*.goedge.cn:1234/large-text?%2B____")
+	if err != nil {
+		t.Fatal(err)
+	}
+}

internal/caches/list_file_hash_map.go

@@ -0,0 +1,120 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package caches
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
+	"math/big"
+	"sync"
+)
+
+// FileListHashMap 文件Hash列表
+type FileListHashMap struct {
+	m map[uint64]zero.Zero
+
+	locker      sync.RWMutex
+	isAvailable bool
+	isReady     bool
+}
+
+func NewFileListHashMap() *FileListHashMap {
+	return &FileListHashMap{
+		m:           map[uint64]zero.Zero{},
+		isAvailable: false,
+		isReady:     false,
+	}
+}
+
+func (this *FileListHashMap) Load(db *FileListDB) error {
+	// 如果系统内存过小，我们不缓存
+	if utils.SystemMemoryGB() < 3 {
+		return nil
+	}
+
+	this.isAvailable = true
+
+	var lastId int64
+	for {
+		hashList, maxId, err := db.ListHashes(lastId)
+		if err != nil {
+			return err
+		}
+		if len(hashList) == 0 {
+			break
+		}
+		this.AddHashes(hashList)
+		lastId = maxId
+	}
+
+	this.isReady = true
+	return nil
+}
+
+func (this *FileListHashMap) Add(hash string) {
+	if !this.isAvailable {
+		return
+	}
+
+	this.locker.Lock()
+	this.m[this.bigInt(hash)] = zero.New()
+	this.locker.Unlock()
+}
+
+func (this *FileListHashMap) AddHashes(hashes []string) {
+	if !this.isAvailable {
+		return
+	}
+
+	this.locker.Lock()
+	for _, hash := range hashes {
+		this.m[this.bigInt(hash)] = zero.New()
+	}
+	this.locker.Unlock()
+}
+
+func (this *FileListHashMap) Delete(hash string) {
+	if !this.isAvailable {
+		return
+	}
+
+	this.locker.Lock()
+	delete(this.m, this.bigInt(hash))
+	this.locker.Unlock()
+}
+
+func (this *FileListHashMap) Exist(hash string) bool {
+	if !this.isAvailable {
+		return true
+	}
+	if !this.isReady {
+		// 只有完全Ready时才能判断是否为false
+		return true
+	}
+	this.locker.RLock()
+	_, ok := this.m[this.bigInt(hash)]
+	this.locker.RUnlock()
+	return ok
+}
+
+func (this *FileListHashMap) Clean() {
+	this.locker.Lock()
+	this.m = map[uint64]zero.Zero{}
+	this.locker.Unlock()
+}
+
+func (this *FileListHashMap) IsReady() bool {
+	return this.isReady
+}
+
+func (this *FileListHashMap) Len() int {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+	return len(this.m)
+}
+
+func (this *FileListHashMap) bigInt(hash string) uint64 {
+	var bigInt = big.NewInt(0)
+	bigInt.SetString(hash, 16)
+	return bigInt.Uint64()
+}

internal/caches/list_file_hash_map_test.go

@@ -0,0 +1,97 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package caches_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
+	"github.com/iwind/TeaGo/Tea"
+	"github.com/iwind/TeaGo/types"
+	stringutil "github.com/iwind/TeaGo/utils/string"
+	"math/big"
+	"runtime"
+	"strconv"
+	"testing"
+	"time"
+)
+
+func TestFileListHashMap_Memory(t *testing.T) {
+	var stat1 = &runtime.MemStats{}
+	runtime.ReadMemStats(stat1)
+
+	var m = caches.NewFileListHashMap()
+
+	for i := 0; i < 1_000_000; i++ {
+		m.Add(stringutil.Md5(types.String(i)))
+	}
+
+	var stat2 = &runtime.MemStats{}
+	runtime.ReadMemStats(stat2)
+
+	t.Log("ready", (stat2.Alloc-stat1.Alloc)/1024/1024, "M")
+}
+
+func TestFileListHashMap_Memory2(t *testing.T) {
+	var stat1 = &runtime.MemStats{}
+	runtime.ReadMemStats(stat1)
+
+	var m = map[uint64]zero.Zero{}
+
+	for i := 0; i < 1_000_000; i++ {
+		m[uint64(i)] = zero.New()
+	}
+
+	var stat2 = &runtime.MemStats{}
+	runtime.ReadMemStats(stat2)
+
+	t.Log("ready", (stat2.Alloc-stat1.Alloc)/1024/1024, "M")
+}
+
+func TestFileListHashMap_BigInt(t *testing.T) {
+	for _, s := range []string{"1", "2", "3", "123", "123456"} {
+		var hash = stringutil.Md5(s)
+
+		var bigInt = big.NewInt(0)
+		bigInt.SetString(hash, 16)
+		t.Log(s, "=>", bigInt.Uint64(), "hash:", hash, "format:", strconv.FormatUint(bigInt.Uint64(), 16))
+	}
+}
+
+func TestFileListHashMap_Load(t *testing.T) {
+	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1").(*caches.FileList)
+
+	defer func() {
+		_ = list.Close()
+	}()
+
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var m = caches.NewFileListHashMap()
+	var before = time.Now()
+	var db = list.GetDB("abc")
+	err = m.Load(db)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log(time.Since(before).Seconds()*1000, "ms")
+	t.Log("count:", m.Len())
+	m.Add("abc")
+
+	for _, hash := range []string{"33347bb4441265405347816cad36a0f8", "a", "abc", "123"} {
+		t.Log(hash, "=>", m.Exist(hash))
+	}
+}
+
+func Benchmark_BigInt(b *testing.B) {
+	var hash = stringutil.Md5("123456")
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		var bigInt = big.NewInt(0)
+		bigInt.SetString(hash, 16)
+		_ = bigInt.Uint64()
+	}
+}

internal/caches/list_file_test.go

@@ -5,6 +5,7 @@ package caches_test
 import (
 	"github.com/TeaOSLab/EdgeNode/internal/caches"
 	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/testutils"
 	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/rands"
 	"github.com/iwind/TeaGo/types"
@@ -17,6 +18,11 @@ import (
 
 func TestFileList_Init(t *testing.T) {
 	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1")
+
+	defer func() {
+		_ = list.Close()
+	}()
+
 	err := list.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -29,6 +35,11 @@ func TestFileList_Init(t *testing.T) {
 
 func TestFileList_Add(t *testing.T) {
 	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1").(*caches.FileList)
+
+	defer func() {
+		_ = list.Close()
+	}()
+
 	err := list.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -59,18 +70,23 @@ func TestFileList_Add(t *testing.T) {
 }
 
 func TestFileList_Add_Many(t *testing.T) {
-	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1")
-	err := list.Init()
-	if err != nil {
-		t.Fatal(err)
+	if !testutils.IsSingleTesting() {
+		return
 	}
 
+	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1")
+
 	defer func() {
 		_ = list.Close()
 	}()
 
-	before := time.Now()
-	for i := 0; i < 100_000; i++ {
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var before = time.Now()
+	for i := 0; i < 10_000_000; i++ {
 		u := "https://edge.teaos.cn/123456" + strconv.Itoa(i)
 		_ = list.Add(stringutil.Md5(u), &caches.Item{
 			Key:        u,
@@ -92,15 +108,15 @@ func TestFileList_Add_Many(t *testing.T) {
 
 func TestFileList_Exist(t *testing.T) {
 	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1").(*caches.FileList)
+	defer func() {
+		_ = list.Close()
+	}()
+
 	err := list.Init()
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	defer func() {
-		_ = list.Close()
-	}()
-
 	total, _ := list.Count()
 	t.Log("total:", total)
 
@@ -130,7 +146,7 @@ func TestFileList_Exist_Many_DB(t *testing.T) {
 	// 测试在多个数据库下的性能
 	var listSlice = []caches.ListInterface{}
 	for i := 1; i <= 10; i++ {
-		list := caches.NewFileList(Tea.Root + "/data/data" + strconv.Itoa(i))
+		var list = caches.NewFileList(Tea.Root + "/data/data" + strconv.Itoa(i))
 		err := list.Init()
 		if err != nil {
 			t.Fatal(err)
@@ -138,6 +154,12 @@ func TestFileList_Exist_Many_DB(t *testing.T) {
 		listSlice = append(listSlice, list)
 	}
 
+	defer func() {
+		for _, list := range listSlice {
+			_ = list.Close()
+		}
+	}()
+
 	var wg = sync.WaitGroup{}
 	var threads = 8
 	wg.Add(threads)
@@ -181,15 +203,16 @@ func TestFileList_Exist_Many_DB(t *testing.T) {
 
 func TestFileList_CleanPrefix(t *testing.T) {
 	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1")
-	err := list.Init()
-	if err != nil {
-		t.Fatal(err)
-	}
 
 	defer func() {
 		_ = list.Close()
 	}()
 
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
 	before := time.Now()
 	err = list.CleanPrefix("123")
 	if err != nil {
@@ -200,15 +223,15 @@ func TestFileList_CleanPrefix(t *testing.T) {
 
 func TestFileList_Remove(t *testing.T) {
 	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1").(*caches.FileList)
+	defer func() {
+		_ = list.Close()
+	}()
+
 	err := list.Init()
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	defer func() {
-		_ = list.Close()
-	}()
-
 	list.OnRemove(func(item *caches.Item) {
 		t.Logf("remove %#v", item)
 	})
@@ -224,13 +247,15 @@ func TestFileList_Remove(t *testing.T) {
 
 func TestFileList_Purge(t *testing.T) {
 	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1")
+
+	defer func() {
+		_ = list.Close()
+	}()
+
 	err := list.Init()
 	if err != nil {
 		t.Fatal(err)
 	}
-	defer func() {
-		_ = list.Close()
-	}()
 
 	var count = 0
 	_, err = list.Purge(caches.CountFileDB*2, func(hash string) error {
@@ -246,13 +271,15 @@ func TestFileList_Purge(t *testing.T) {
 
 func TestFileList_PurgeLFU(t *testing.T) {
 	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1")
+
+	defer func() {
+		_ = list.Close()
+	}()
+
 	err := list.Init()
 	if err != nil {
 		t.Fatal(err)
 	}
-	defer func() {
-		_ = list.Close()
-	}()
 
 	err = list.IncreaseHit(stringutil.Md5("123456"))
 	if err != nil {
@@ -273,15 +300,16 @@ func TestFileList_PurgeLFU(t *testing.T) {
 
 func TestFileList_Stat(t *testing.T) {
 	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1")
-	err := list.Init()
-	if err != nil {
-		t.Fatal(err)
-	}
 
 	defer func() {
 		_ = list.Close()
 	}()
 
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
 	stat, err := list.Stat(nil)
 	if err != nil {
 		t.Fatal(err)
@@ -290,12 +318,17 @@ func TestFileList_Stat(t *testing.T) {
 }
 
 func TestFileList_Count(t *testing.T) {
-	list := caches.NewFileList(Tea.Root + "/data")
+	var list = caches.NewFileList(Tea.Root + "/data")
+
+	defer func() {
+		_ = list.Close()
+	}()
+
 	err := list.Init()
 	if err != nil {
 		t.Fatal(err)
 	}
-	before := time.Now()
+	var before = time.Now()
 	count, err := list.Count()
 	if err != nil {
 		t.Fatal(err)
@@ -305,7 +338,12 @@ func TestFileList_Count(t *testing.T) {
 }
 
 func TestFileList_CleanAll(t *testing.T) {
-	list := caches.NewFileList(Tea.Root + "/data")
+	var list = caches.NewFileList(Tea.Root + "/data")
+
+	defer func() {
+		_ = list.Close()
+	}()
+
 	err := list.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -320,6 +358,11 @@ func TestFileList_CleanAll(t *testing.T) {
 
 func TestFileList_IncreaseHit(t *testing.T) {
 	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1")
+
+	defer func() {
+		_ = list.Close()
+	}()
+
 	err := list.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -333,7 +376,13 @@ func TestFileList_IncreaseHit(t *testing.T) {
 	defer func() {
 		t.Log(time.Since(before).Seconds()*1000, "ms")
 	}()
-	for i := 0; i < 1000_000; i++ {
+
+	var count = 1_000_000
+
+	if !testutils.IsSingleTesting() {
+		count = 10
+	}
+	for i := 0; i < count; i++ {
 		err = list.IncreaseHit(stringutil.Md5("abc" + types.String(i)))
 	}
 	if err != nil {
@@ -344,6 +393,11 @@ func TestFileList_IncreaseHit(t *testing.T) {
 
 func TestFileList_UpgradeV3(t *testing.T) {
 	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p43").(*caches.FileList)
+
+	defer func() {
+		_ = list.Close()
+	}()
+
 	err := list.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -363,10 +417,16 @@ func TestFileList_UpgradeV3(t *testing.T) {
 
 func BenchmarkFileList_Exist(b *testing.B) {
 	var list = caches.NewFileList(Tea.Root + "/data/cache-index/p1")
+
+	defer func() {
+		_ = list.Close()
+	}()
+
 	err := list.Init()
 	if err != nil {
 		b.Fatal(err)
 	}
+	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
 		_, _ = list.Exist("f0eb5b87e0b0041f3917002c0707475f" + types.String(i))
 	}

internal/caches/list_interface.go

@@ -18,6 +18,12 @@ type ListInterface interface {
 	// CleanPrefix 清除某个前缀的缓存
 	CleanPrefix(prefix string) error
 
+	// CleanMatchKey 清除通配符匹配的Key
+	CleanMatchKey(key string) error
+
+	// CleanMatchPrefix 清除通配符匹配的前缀
+	CleanMatchPrefix(prefix string) error
+
 	// Remove 删除内容
 	Remove(hash string) error
 

internal/caches/list_memory.go

@@ -1,8 +1,11 @@
 package caches
 
 import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/configutils"
 	"github.com/TeaOSLab/EdgeNode/internal/zero"
 	"github.com/iwind/TeaGo/logs"
+	"net"
+	"net/url"
 	"strconv"
 	"strings"
 	"sync"
@@ -146,6 +149,82 @@ func (this *MemoryList) CleanPrefix(prefix string) error {
 	return nil
 }
 
+// CleanMatchKey 清理通配符匹配的缓存数据，类似于 https://*.example.com/hello
+func (this *MemoryList) CleanMatchKey(key string) error {
+	if strings.Contains(key, SuffixAll) {
+		return nil
+	}
+
+	u, err := url.Parse(key)
+	if err != nil {
+		return nil
+	}
+
+	var host = u.Host
+	hostPart, _, err := net.SplitHostPort(host)
+	if err == nil && len(hostPart) > 0 {
+		host = hostPart
+	}
+
+	if len(host) == 0 {
+		return nil
+	}
+	var requestURI = u.RequestURI()
+
+	this.locker.RLock()
+	defer this.locker.RUnlock()
+
+	// TODO 需要优化性能，支持千万级数据低于1s的处理速度
+	for _, itemMap := range this.itemMaps {
+		for _, item := range itemMap {
+			if configutils.MatchDomain(host, item.Host) {
+				var itemRequestURI = item.RequestURI()
+				if itemRequestURI == requestURI || strings.HasPrefix(itemRequestURI, requestURI+SuffixAll) {
+					item.ExpiredAt = 0
+				}
+			}
+		}
+	}
+
+	return nil
+}
+
+// CleanMatchPrefix 清理通配符匹配的缓存数据，类似于 https://*.example.com/prefix/
+func (this *MemoryList) CleanMatchPrefix(prefix string) error {
+	u, err := url.Parse(prefix)
+	if err != nil {
+		return nil
+	}
+
+	var host = u.Host
+	hostPart, _, err := net.SplitHostPort(host)
+	if err == nil && len(hostPart) > 0 {
+		host = hostPart
+	}
+	if len(host) == 0 {
+		return nil
+	}
+	var requestURI = u.RequestURI()
+	var isRootPath = requestURI == "/"
+
+	this.locker.RLock()
+	defer this.locker.RUnlock()
+
+	// TODO 需要优化性能，支持千万级数据低于1s的处理速度
+	for _, itemMap := range this.itemMaps {
+		for _, item := range itemMap {
+			if configutils.MatchDomain(host, item.Host) {
+				var itemRequestURI = item.RequestURI()
+				if isRootPath || strings.HasPrefix(itemRequestURI, requestURI) {
+					item.ExpiredAt = 0
+				}
+			}
+		}
+	}
+
+	return nil
+}
+
 func (this *MemoryList) Remove(hash string) error {
 	this.locker.Lock()
 

internal/caches/list_memory_test.go

@@ -2,6 +2,7 @@ package caches
 
 import (
 	"fmt"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/testutils"
 	"github.com/cespare/xxhash"
 	"github.com/iwind/TeaGo/logs"
 	"github.com/iwind/TeaGo/rands"
@@ -107,7 +108,9 @@ func TestMemoryList_Purge_Large_List(t *testing.T) {
 		})
 	}
 
-	time.Sleep(1 * time.Hour)
+	if testutils.IsSingleTesting() {
+		time.Sleep(1 * time.Hour)
+	}
 }
 
 func TestMemoryList_Stat(t *testing.T) {
@@ -255,9 +258,11 @@ func TestMemoryList_GC(t *testing.T) {
 	//runtime.GC()
 	t.Log("gc cost:", time.Since(before).Seconds()*1000, "ms")
 
-	timeout := time.NewTimer(2 * time.Minute)
-	<-timeout.C
-	t.Log("2 minutes passed")
+	if testutils.IsSingleTesting() {
+		timeout := time.NewTimer(2 * time.Minute)
+		<-timeout.C
+		t.Log("2 minutes passed")
 
-	time.Sleep(30 * time.Minute)
+		time.Sleep(30 * time.Minute)
+	}
 }

internal/caches/manager.go

@@ -3,10 +3,10 @@ package caches
 import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/iwind/TeaGo/lists"
-	"github.com/iwind/TeaGo/logs"
 	"github.com/iwind/TeaGo/types"
 	"strconv"
 	"sync"
@@ -15,8 +15,12 @@ import (
 var SharedManager = NewManager()
 
 func init() {
-	events.On(events.EventQuit, func() {
-		logs.Println("CACHE", "quiting cache manager")
+	if !teaconst.IsMain {
+		return
+	}
+
+	events.OnClose(func() {
+		remotelogs.Println("CACHE", "quiting cache manager")
 		SharedManager.UpdatePolicies([]*serverconfigs.HTTPCachePolicy{})
 	})
 }
@@ -25,7 +29,8 @@ func init() {
 type Manager struct {
 	// 全局配置
 	MaxDiskCapacity   *shared.SizeCapacity
-	DiskDir           string
+	MainDiskDir       string
+	SubDiskDirs       []*serverconfigs.CacheDir
 	MaxMemoryCapacity *shared.SizeCapacity
 
 	policyMap  map[int64]*serverconfigs.HTTPCachePolicy // policyId => []*Policy
@@ -48,12 +53,10 @@ func (this *Manager) UpdatePolicies(newPolicies []*serverconfigs.HTTPCachePolicy
 	this.locker.Lock()
 	defer this.locker.Unlock()
 
-	newPolicyIds := []int64{}
+	var newPolicyIds = []int64{}
 	for _, policy := range newPolicies {
 		// 使用节点单独的缓存目录
-		if len(this.DiskDir) > 0 {
-			policy.UpdateDiskDir(this.DiskDir)
-		}
+		policy.UpdateDiskDir(this.MainDiskDir, this.SubDiskDirs)
 
 		newPolicyIds = append(newPolicyIds, policy.Id)
 	}
@@ -174,10 +177,15 @@ func (this *Manager) TotalDiskSize() int64 {
 	this.locker.RLock()
 	defer this.locker.RUnlock()
 
-	total := int64(0)
+	var total = int64(0)
 	for _, storage := range this.storageMap {
 		total += storage.TotalDiskSize()
 	}
+
+	if total < 0 {
+		total = 0
+	}
+
 	return total
 }
 
@@ -214,3 +222,15 @@ func (this *Manager) FindAllCachePaths() []string {
 	}
 	return result
 }
+
+// FindAllStorages 读取所有缓存存储
+func (this *Manager) FindAllStorages() []StorageInterface {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	var storages = []StorageInterface{}
+	for _, storage := range this.storageMap {
+		storages = append(storages, storage)
+	}
+	return storages
+}

internal/caches/manager_test.go

@@ -52,9 +52,8 @@ func TestManager_UpdatePolicies(t *testing.T) {
 				},
 			},
 			{
-				Id:      2,
-				Type:    serverconfigs.CachePolicyStorageFile,
-				MaxKeys: 1,
+				Id:   2,
+				Type: serverconfigs.CachePolicyStorageFile,
 				Options: map[string]interface{}{
 					"dir": Tea.Root + "/caches",
 				},
@@ -95,9 +94,9 @@ func TestManager_ChangePolicy_Memory(t *testing.T) {
 func TestManager_ChangePolicy_File(t *testing.T) {
 	var policies = []*serverconfigs.HTTPCachePolicy{
 		{
-			Id:       1,
-			Type:     serverconfigs.CachePolicyStorageFile,
-			Options:  map[string]interface{}{
+			Id:   1,
+			Type: serverconfigs.CachePolicyStorageFile,
+			Options: map[string]interface{}{
 				"dir": Tea.Root + "/data/cache-index/p1",
 			},
 			Capacity: &shared.SizeCapacity{Count: 1, Unit: shared.SizeCapacityUnitGB},
@@ -106,9 +105,9 @@ func TestManager_ChangePolicy_File(t *testing.T) {
 	SharedManager.UpdatePolicies(policies)
 	SharedManager.UpdatePolicies([]*serverconfigs.HTTPCachePolicy{
 		{
-			Id:       1,
-			Type:     serverconfigs.CachePolicyStorageFile,
-			Options:  map[string]interface{}{
+			Id:   1,
+			Type: serverconfigs.CachePolicyStorageFile,
+			Options: map[string]interface{}{
 				"dir": Tea.Root + "/data/cache-index/p1",
 			},
 			Capacity: &shared.SizeCapacity{Count: 2, Unit: shared.SizeCapacityUnitGB},

internal/caches/max_open_files.go

@@ -3,44 +3,24 @@
 package caches
 
 import (
-	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"sync/atomic"
 	"time"
 )
 
 const (
-	minOpenFilesValue int32 = 2
-	maxOpenFilesValue int32 = 65535
-
 	modeSlow int32 = 1
 	modeFast int32 = 2
 )
 
 // MaxOpenFiles max open files manager
 type MaxOpenFiles struct {
-	step         int32
-	maxOpenFiles int32
-	ptr          *int32
-	ticker       *time.Ticker
-	mode         int32
-
-	lastOpens    int32
-	currentOpens int32
+	ticker *time.Ticker
+	mode   int32
 }
 
-func NewMaxOpenFiles(step int32) *MaxOpenFiles {
-	if step <= 0 {
-		step = 2
-	}
-	var f = &MaxOpenFiles{
-		step:         step,
-		maxOpenFiles: 2,
-	}
-	if teaconst.DiskIsFast {
-		f.maxOpenFiles = 32
-	}
-	f.ptr = &f.maxOpenFiles
+func NewMaxOpenFiles() *MaxOpenFiles {
+	var f = &MaxOpenFiles{}
 	f.ticker = time.NewTicker(1 * time.Second)
 	f.init()
 	return f
@@ -49,50 +29,24 @@ func NewMaxOpenFiles(step int32) *MaxOpenFiles {
 func (this *MaxOpenFiles) init() {
 	goman.New(func() {
 		for range this.ticker.C {
-			var mod = atomic.LoadInt32(&this.mode)
-			switch mod {
-			case modeSlow:
-				// we decrease more quickly, with more steps
-				if atomic.AddInt32(this.ptr, -this.step*2) <= 0 {
-					atomic.StoreInt32(this.ptr, minOpenFilesValue)
-				}
-			case modeFast:
-				// we increase only when file opens increases
-				var currentOpens = atomic.LoadInt32(&this.currentOpens)
-				if currentOpens > this.lastOpens {
-					if atomic.AddInt32(this.ptr, this.step) >= maxOpenFilesValue {
-						atomic.StoreInt32(this.ptr, maxOpenFilesValue)
-					}
-				}
-				this.lastOpens = currentOpens
-				atomic.StoreInt32(&this.currentOpens, 0)
-			}
-
-			// reset mod
-			atomic.StoreInt32(&this.mode, 0)
+			// reset mode
+			atomic.StoreInt32(&this.mode, modeFast)
 		}
 	})
 }
 
 func (this *MaxOpenFiles) Fast() {
-	if atomic.LoadInt32(&this.mode) == 0 {
-		this.mode = modeFast
-	}
-	atomic.AddInt32(&this.currentOpens, 1)
+	atomic.AddInt32(&this.mode, modeFast)
+}
+
+func (this *MaxOpenFiles) FinishAll() {
+	this.Fast()
 }
 
 func (this *MaxOpenFiles) Slow() {
 	atomic.StoreInt32(&this.mode, modeSlow)
 }
 
-func (this *MaxOpenFiles) Max() int32 {
-	if atomic.LoadInt32(&this.mode) == modeSlow {
-		return 0
-	}
-
-	var v = atomic.LoadInt32(this.ptr)
-	if v <= minOpenFilesValue {
-		return minOpenFilesValue
-	}
-	return v
+func (this *MaxOpenFiles) Next() bool {
+	return atomic.LoadInt32(&this.mode) != modeSlow
 }

internal/caches/max_open_files_test.go

@@ -9,20 +9,27 @@ import (
 )
 
 func TestNewMaxOpenFiles(t *testing.T) {
-	var maxOpenFiles = caches.NewMaxOpenFiles(2)
+	var maxOpenFiles = caches.NewMaxOpenFiles()
 	maxOpenFiles.Fast()
-	t.Log(maxOpenFiles.Max())
+	t.Log("fast:", maxOpenFiles.Next())
+
+	maxOpenFiles.Slow()
+	t.Log("slow:", maxOpenFiles.Next())
+	time.Sleep(1*time.Second + 1*time.Millisecond)
+	t.Log("slow 1 second:", maxOpenFiles.Next())
+
+	maxOpenFiles.Slow()
+	t.Log("slow:", maxOpenFiles.Next())
+
+	maxOpenFiles.Slow()
+	t.Log("slow:", maxOpenFiles.Next())
 
-	maxOpenFiles.Fast()
 	time.Sleep(1 * time.Second)
-	t.Log(maxOpenFiles.Max())
+	t.Log("slow 1 second:", maxOpenFiles.Next())
 
 	maxOpenFiles.Slow()
-	t.Log(maxOpenFiles.Max())
+	t.Log("slow:", maxOpenFiles.Next())
 
-	maxOpenFiles.Slow()
-	t.Log(maxOpenFiles.Max())
-
-	maxOpenFiles.Slow()
-	t.Log(maxOpenFiles.Max())
+	maxOpenFiles.Fast()
+	t.Log("fast:", maxOpenFiles.Next())
 }

internal/caches/open_file_cache.go

@@ -19,7 +19,7 @@ type OpenFileCache struct {
 	poolList *linkedlist.List
 	watcher  *fsnotify.Watcher
 
-	locker sync.Mutex
+	locker sync.RWMutex
 
 	maxSize int
 	count   int
@@ -54,13 +54,18 @@ func NewOpenFileCache(maxSize int) (*OpenFileCache, error) {
 }
 
 func (this *OpenFileCache) Get(filename string) *OpenFile {
-	this.locker.Lock()
-	defer this.locker.Unlock()
+	this.locker.RLock()
 	pool, ok := this.poolMap[filename]
+	this.locker.RUnlock()
 	if ok {
 		file, consumed := pool.Get()
 		if consumed {
+			this.locker.Lock()
 			this.count--
+
+			// pool如果为空，也不需要从列表中删除，避免put时需要重新创建
+
+			this.locker.Unlock()
 		}
 		return file
 	}
@@ -124,6 +129,9 @@ func (this *OpenFileCache) Close(filename string) {
 
 	pool, ok := this.poolMap[filename]
 	if ok {
+		// 设置关闭状态
+		pool.SetClosing()
+
 		delete(this.poolMap, filename)
 		this.poolList.Remove(pool.linkItem)
 		_ = this.watcher.Remove(filename)
@@ -146,6 +154,7 @@ func (this *OpenFileCache) CloseAll() {
 	this.poolMap = map[string]*OpenFilePool{}
 	this.poolList.Reset()
 	_ = this.watcher.Close()
+	this.count = 0
 	this.locker.Unlock()
 }
 

internal/caches/open_file_cache_test.go

@@ -0,0 +1,46 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package caches_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/testutils"
+	"testing"
+	"time"
+)
+
+func TestNewOpenFileCache_Close(t *testing.T) {
+	cache, err := caches.NewOpenFileCache(1024)
+	if err != nil {
+		t.Fatal(err)
+	}
+	cache.Debug()
+	cache.Put("a.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Put("b.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Put("b.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Put("b.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Put("c.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Get("b.txt")
+	cache.Get("d.txt")
+	cache.Close("a.txt")
+
+	if testutils.IsSingleTesting() {
+		time.Sleep(100 * time.Second)
+	}
+}
+
+func TestNewOpenFileCache_CloseAll(t *testing.T) {
+	cache, err := caches.NewOpenFileCache(1024)
+	if err != nil {
+		t.Fatal(err)
+	}
+	cache.Debug()
+	cache.Put("a.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Put("b.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Put("c.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Get("b.txt")
+	cache.Get("d.txt")
+	cache.CloseAll()
+
+	time.Sleep(6 * time.Second)
+}

internal/caches/open_file_pool.go

@@ -3,7 +3,7 @@
 package caches
 
 import (
-	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/fasttime"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/linkedlist"
 )
 
@@ -12,13 +12,14 @@ type OpenFilePool struct {
 	linkItem *linkedlist.Item
 	filename string
 	version  int64
+	isClosed bool
 }
 
 func NewOpenFilePool(filename string) *OpenFilePool {
 	var pool = &OpenFilePool{
 		filename: filename,
 		c:        make(chan *OpenFile, 1024),
-		version:  utils.UnixTimeMilli(),
+		version:  fasttime.Now().UnixMilli(),
 	}
 	pool.linkItem = linkedlist.NewItem(pool)
 	return pool
@@ -29,26 +30,43 @@ func (this *OpenFilePool) Filename() string {
 }
 
 func (this *OpenFilePool) Get() (*OpenFile, bool) {
+	// 如果已经关闭，直接返回
+	if this.isClosed {
+		return nil, false
+	}
+
 	select {
 	case file := <-this.c:
-		err := file.SeekStart()
-		if err != nil {
-			_ = file.Close()
-			return nil, true
-		}
-		file.version = this.version
+		if file != nil {
+			err := file.SeekStart()
+			if err != nil {
+				_ = file.Close()
+				return nil, true
+			}
+			file.version = this.version
 
-		return file, true
+			return file, true
+		}
+		return nil, false
 	default:
 		return nil, false
 	}
 }
 
 func (this *OpenFilePool) Put(file *OpenFile) bool {
+	// 如果已关闭，则不接受新的文件
+	if this.isClosed {
+		_ = file.Close()
+		return false
+	}
+
+	// 检查文件版本号
 	if this.version > 0 && file.version > 0 && file.version != this.version {
 		_ = file.Close()
 		return false
 	}
+
+	// 加入Pool
 	select {
 	case this.c <- file:
 		return true
@@ -63,14 +81,18 @@ func (this *OpenFilePool) Len() int {
 	return len(this.c)
 }
 
+func (this *OpenFilePool) SetClosing() {
+	this.isClosed = true
+}
+
 func (this *OpenFilePool) Close() {
-Loop:
+	this.isClosed = true
 	for {
 		select {
 		case file := <-this.c:
 			_ = file.Close()
 		default:
-			break Loop
+			return
 		}
 	}
 }

internal/caches/open_file_pool_test.go

@@ -4,6 +4,8 @@ package caches_test
 
 import (
 	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"github.com/iwind/TeaGo/rands"
+	"sync"
 	"testing"
 )
 
@@ -15,3 +17,30 @@ func TestOpenFilePool_Get(t *testing.T) {
 	t.Log(pool.Get())
 	t.Log(pool.Get())
 }
+
+func TestOpenFilePool_Close(t *testing.T) {
+	var pool = caches.NewOpenFilePool("a")
+	pool.Put(caches.NewOpenFile(nil, nil, nil, 0))
+	pool.Put(caches.NewOpenFile(nil, nil, nil, 0))
+	pool.Close()
+}
+
+func TestOpenFilePool_Concurrent(t *testing.T) {
+	var pool = caches.NewOpenFilePool("a")
+	var concurrent = 1000
+	var wg = &sync.WaitGroup{}
+	wg.Add(concurrent)
+	for i := 0; i < concurrent; i++ {
+		go func() {
+			defer wg.Done()
+
+			if rands.Int(0, 1) == 1 {
+				pool.Put(caches.NewOpenFile(nil, nil, nil, 0))
+			}
+			if rands.Int(0, 1) == 0 {
+				pool.Get()
+			}
+		}()
+	}
+	wg.Wait()
+}

internal/caches/partial_ranges.go

@@ -3,38 +3,88 @@
 package caches
 
 import (
+	"bytes"
 	"encoding/json"
-	"errors"
-	"io/ioutil"
+	"github.com/iwind/TeaGo/types"
+	"os"
+	"strconv"
 )
 
 // PartialRanges 内容分区范围定义
 type PartialRanges struct {
-	Ranges [][2]int64 `json:"ranges"`
+	Version  int        `json:"version"`  // 版本号
+	Ranges   [][2]int64 `json:"ranges"`   // 范围
+	BodySize int64      `json:"bodySize"` // 总长度
 }
 
 // NewPartialRanges 获取新对象
-func NewPartialRanges() *PartialRanges {
-	return &PartialRanges{Ranges: [][2]int64{}}
+func NewPartialRanges(expiresAt int64) *PartialRanges {
+	return &PartialRanges{
+		Ranges:  [][2]int64{},
+		Version: 1,
+	}
+}
+
+// NewPartialRangesFromData 从数据中解析范围
+func NewPartialRangesFromData(data []byte) (*PartialRanges, error) {
+	var rs = NewPartialRanges(0)
+	for {
+		var index = bytes.IndexRune(data, '\n')
+		if index < 0 {
+			break
+		}
+		var line = data[:index]
+		var colonIndex = bytes.IndexRune(line, ':')
+		if colonIndex > 0 {
+			switch string(line[:colonIndex]) {
+			case "v": // 版本号
+				rs.Version = types.Int(line[colonIndex+1:])
+			case "b": // 总长度
+				rs.BodySize = types.Int64(line[colonIndex+1:])
+			case "r": // 范围信息
+				var commaIndex = bytes.IndexRune(line, ',')
+				if commaIndex > 0 {
+					rs.Ranges = append(rs.Ranges, [2]int64{types.Int64(line[colonIndex+1 : commaIndex]), types.Int64(line[commaIndex+1:])})
+				}
+			}
+		}
+		data = data[index+1:]
+		if len(data) == 0 {
+			break
+		}
+	}
+	return rs, nil
 }
 
 // NewPartialRangesFromJSON 从JSON中解析范围
 func NewPartialRangesFromJSON(data []byte) (*PartialRanges, error) {
-	var rs = NewPartialRanges()
+	var rs = NewPartialRanges(0)
 	err := json.Unmarshal(data, &rs)
 	if err != nil {
 		return nil, err
 	}
+	rs.Version = 0
 
 	return rs, nil
 }
 
+// NewPartialRangesFromFile 从文件中加载范围信息
 func NewPartialRangesFromFile(path string) (*PartialRanges, error) {
-	data, err := ioutil.ReadFile(path)
+	data, err := os.ReadFile(path)
 	if err != nil {
 		return nil, err
 	}
-	return NewPartialRangesFromJSON(data)
+	if len(data) == 0 {
+		return NewPartialRanges(0), nil
+	}
+
+	// 兼容老的JSON格式
+	if data[0] == '{' {
+		return NewPartialRangesFromJSON(data)
+	}
+
+	// 新的格式
+	return NewPartialRangesFromData(data)
 }
 
 // Add 添加新范围
@@ -105,29 +155,27 @@ func (this *PartialRanges) Nearest(begin int64, end int64) (r [2]int64, ok bool)
 	return
 }
 
-// AsJSON 转换为JSON
-func (this *PartialRanges) AsJSON() ([]byte, error) {
-	return json.Marshal(this)
+// 转换为字符串
+func (this *PartialRanges) String() string {
+	var s = "v:" + strconv.Itoa(this.Version) + "\n" + // version
+		"b:" + this.formatInt64(this.BodySize) + "\n" // bodySize
+	for _, r := range this.Ranges {
+		s += "r:" + this.formatInt64(r[0]) + "," + this.formatInt64(r[1]) + "\n" // range
+	}
+	return s
+}
+
+// Bytes 将内容转换为字节
+func (this *PartialRanges) Bytes() []byte {
+	return []byte(this.String())
 }
 
 // WriteToFile 写入到文件中
 func (this *PartialRanges) WriteToFile(path string) error {
-	data, err := this.AsJSON()
-	if err != nil {
-		return errors.New("convert to json failed: " + err.Error())
-	}
-	return ioutil.WriteFile(path, data, 0666)
-}
-
-// ReadFromFile 从文件中读取
-func (this *PartialRanges) ReadFromFile(path string) (*PartialRanges, error) {
-	data, err := ioutil.ReadFile(path)
-	if err != nil {
-		return nil, err
-	}
-	return NewPartialRangesFromJSON(data)
+	return os.WriteFile(path, this.Bytes(), 0666)
 }
 
+// Max 获取最大位置
 func (this *PartialRanges) Max() int64 {
 	if len(this.Ranges) > 0 {
 		return this.Ranges[len(this.Ranges)-1][1]
@@ -135,6 +183,11 @@ func (this *PartialRanges) Max() int64 {
 	return 0
 }
 
+// Reset 重置范围信息
+func (this *PartialRanges) Reset() {
+	this.Ranges = [][2]int64{}
+}
+
 func (this *PartialRanges) merge(index int) {
 	// forward
 	var lastIndex = index
@@ -187,3 +240,7 @@ func (this *PartialRanges) max(n1 int64, n2 int64) int64 {
 	}
 	return n2
 }
+
+func (this *PartialRanges) formatInt64(i int64) string {
+	return strconv.FormatInt(i, 10)
+}

internal/caches/partial_ranges_test.go

@@ -3,14 +3,16 @@
 package caches_test
 
 import (
+	"encoding/json"
 	"github.com/TeaOSLab/EdgeNode/internal/caches"
 	"github.com/iwind/TeaGo/assert"
 	"github.com/iwind/TeaGo/logs"
 	"testing"
+	"time"
 )
 
 func TestNewPartialRanges(t *testing.T) {
-	var r = caches.NewPartialRanges()
+	var r = caches.NewPartialRanges(0)
 	r.Add(1, 100)
 	r.Add(50, 300)
 
@@ -28,7 +30,7 @@ func TestNewPartialRanges(t *testing.T) {
 func TestNewPartialRanges1(t *testing.T) {
 	var a = assert.NewAssertion(t)
 
-	var r = caches.NewPartialRanges()
+	var r = caches.NewPartialRanges(0)
 	r.Add(1, 100)
 	r.Add(1, 101)
 	r.Add(1, 102)
@@ -47,7 +49,7 @@ func TestNewPartialRanges1(t *testing.T) {
 
 func TestNewPartialRanges2(t *testing.T) {
 	// low -> high
-	var r = caches.NewPartialRanges()
+	var r = caches.NewPartialRanges(0)
 	r.Add(1, 100)
 	r.Add(1, 101)
 	r.Add(1, 102)
@@ -63,7 +65,7 @@ func TestNewPartialRanges2(t *testing.T) {
 
 func TestNewPartialRanges3(t *testing.T) {
 	// high -> low
-	var r = caches.NewPartialRanges()
+	var r = caches.NewPartialRanges(0)
 	r.Add(301, 302)
 	r.Add(303, 304)
 	r.Add(200, 300)
@@ -75,7 +77,7 @@ func TestNewPartialRanges3(t *testing.T) {
 
 func TestNewPartialRanges4(t *testing.T) {
 	// nearby
-	var r = caches.NewPartialRanges()
+	var r = caches.NewPartialRanges(0)
 	r.Add(301, 302)
 	r.Add(303, 304)
 	r.Add(305, 306)
@@ -90,7 +92,7 @@ func TestNewPartialRanges4(t *testing.T) {
 }
 
 func TestNewPartialRanges5(t *testing.T) {
-	var r = caches.NewPartialRanges()
+	var r = caches.NewPartialRanges(0)
 	for j := 0; j < 1000; j++ {
 		r.Add(int64(j), int64(j+100))
 	}
@@ -100,7 +102,7 @@ func TestNewPartialRanges5(t *testing.T) {
 func TestNewPartialRanges_Nearest(t *testing.T) {
 	{
 		// nearby
-		var r = caches.NewPartialRanges()
+		var r = caches.NewPartialRanges(0)
 		r.Add(301, 400)
 		r.Add(401, 500)
 		r.Add(501, 600)
@@ -112,7 +114,7 @@ func TestNewPartialRanges_Nearest(t *testing.T) {
 
 	{
 		// nearby
-		var r = caches.NewPartialRanges()
+		var r = caches.NewPartialRanges(0)
 		r.Add(301, 400)
 		r.Add(450, 500)
 		r.Add(550, 600)
@@ -131,45 +133,100 @@ func TestNewPartialRanges_Large_Range(t *testing.T) {
 	var largeSize int64 = 10000000000000
 	t.Log(largeSize/1024/1024/1024, "G")
 
-	var r = caches.NewPartialRanges()
+	var r = caches.NewPartialRanges(0)
 	r.Add(1, largeSize)
-	jsonData, err := r.AsJSON()
-	if err != nil {
-		t.Fatal(err)
-	}
-	t.Log(string(jsonData))
+	var s = r.String()
+	t.Log(s)
 
-	r2, err := caches.NewPartialRangesFromJSON(jsonData)
+	r2, err := caches.NewPartialRangesFromData([]byte(s))
 	if err != nil {
 		t.Fatal(err)
 	}
 
 	a.IsTrue(largeSize == r2.Ranges[0][1])
+	logs.PrintAsJSON(r, t)
 }
 
-func TestNewPartialRanges_AsJSON(t *testing.T) {
-	var r = caches.NewPartialRanges()
-	for j := 0; j < 1000; j++ {
-		r.Add(int64(j), int64(j+100))
+func TestPartialRanges_Encode_JSON(t *testing.T) {
+	var r = caches.NewPartialRanges(0)
+	for i := 0; i < 10; i++ {
+		r.Ranges = append(r.Ranges, [2]int64{int64(i * 100), int64(i*100 + 100)})
 	}
-	data, err := r.AsJSON()
+	var before = time.Now()
+	data, err := json.Marshal(r)
 	if err != nil {
 		t.Fatal(err)
 	}
-	t.Log(string(data))
+	t.Log(time.Since(before).Seconds()*1000, "ms")
+	t.Log(len(data))
+}
 
-	r2, err := caches.NewPartialRangesFromJSON(data)
+func TestPartialRanges_Encode_String(t *testing.T) {
+	var r = caches.NewPartialRanges(0)
+	r.BodySize = 1024
+	for i := 0; i < 10; i++ {
+		r.Ranges = append(r.Ranges, [2]int64{int64(i * 100), int64(i*100 + 100)})
+	}
+	var before = time.Now()
+	var data = r.String()
+	t.Log(time.Since(before).Seconds()*1000, "ms")
+	t.Log(len(data))
+
+	r2, err := caches.NewPartialRangesFromData([]byte(data))
 	if err != nil {
 		t.Fatal(err)
 	}
-	t.Log(r2.Ranges)
+	logs.PrintAsJSON(r2, t)
+}
+
+func TestPartialRanges_Version(t *testing.T) {
+	{
+		ranges, err := caches.NewPartialRangesFromData([]byte(`e:1668928495
+r:0,1048576
+r:1140260864,1140295164`))
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("version:", ranges.Version)
+	}
+	{
+		ranges, err := caches.NewPartialRangesFromData([]byte(`e:1668928495
+r:0,1048576
+r:1140260864,1140295164
+v:0
+`))
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("version:", ranges.Version)
+	}
+	{
+		ranges, err := caches.NewPartialRangesFromJSON([]byte(`{}`))
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("version:", ranges.Version)
+	}
 }
 
 func BenchmarkNewPartialRanges(b *testing.B) {
 	for i := 0; i < b.N; i++ {
-		var r = caches.NewPartialRanges()
+		var r = caches.NewPartialRanges(0)
 		for j := 0; j < 1000; j++ {
 			r.Add(int64(j), int64(j+100))
 		}
 	}
 }
+
+func BenchmarkPartialRanges_String(b *testing.B) {
+	var r = caches.NewPartialRanges(0)
+	r.BodySize = 1024
+	for i := 0; i < 10; i++ {
+		r.Ranges = append(r.Ranges, [2]int64{int64(i * 100), int64(i*100 + 100)})
+	}
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		_ = r.String()
+	}
+}

internal/caches/reader_file.go

@@ -42,7 +42,7 @@ func (this *FileReader) InitAutoDiscard(autoDiscard bool) error {
 		this.header = this.openFile.header
 	}
 
-	isOk := false
+	var isOk = false
 
 	if autoDiscard {
 		defer func() {
@@ -67,17 +67,17 @@ func (this *FileReader) InitAutoDiscard(autoDiscard bool) error {
 
 	this.expiresAt = int64(binary.BigEndian.Uint32(buf[:SizeExpiresAt]))
 
-	status := types.Int(string(buf[OffsetStatus : OffsetStatus+SizeStatus]))
+	var status = types.Int(string(buf[OffsetStatus : OffsetStatus+SizeStatus]))
 	if status < 100 || status > 999 {
 		return errors.New("invalid status")
 	}
 	this.status = status
 
 	// URL
-	urlLength := binary.BigEndian.Uint32(buf[OffsetURLLength : OffsetURLLength+SizeURLLength])
+	var urlLength = binary.BigEndian.Uint32(buf[OffsetURLLength : OffsetURLLength+SizeURLLength])
 
 	// header
-	headerSize := int(binary.BigEndian.Uint32(buf[OffsetHeaderLength : OffsetHeaderLength+SizeHeaderLength]))
+	var headerSize = int(binary.BigEndian.Uint32(buf[OffsetHeaderLength : OffsetHeaderLength+SizeHeaderLength]))
 	if headerSize == 0 {
 		return nil
 	}
@@ -86,7 +86,7 @@ func (this *FileReader) InitAutoDiscard(autoDiscard bool) error {
 
 	// body
 	this.bodyOffset = this.headerOffset + int64(headerSize)
-	bodySize := int(binary.BigEndian.Uint64(buf[OffsetBodyLength : OffsetBodyLength+SizeBodyLength]))
+	var bodySize = int(binary.BigEndian.Uint64(buf[OffsetBodyLength : OffsetBodyLength+SizeBodyLength]))
 	if bodySize == 0 {
 		isOk = true
 		return nil
@@ -158,7 +158,7 @@ func (this *FileReader) ReadHeader(buf []byte, callback ReaderFunc) error {
 		return nil
 	}
 
-	isOk := false
+	var isOk = false
 
 	defer func() {
 		if !isOk {
@@ -171,7 +171,7 @@ func (this *FileReader) ReadHeader(buf []byte, callback ReaderFunc) error {
 		return err
 	}
 
-	headerSize := this.headerSize
+	var headerSize = this.headerSize
 
 	for {
 		n, err := this.fp.Read(buf)
@@ -215,7 +215,11 @@ func (this *FileReader) ReadHeader(buf []byte, callback ReaderFunc) error {
 }
 
 func (this *FileReader) ReadBody(buf []byte, callback ReaderFunc) error {
-	isOk := false
+	if this.bodySize == 0 {
+		return nil
+	}
+
+	var isOk = false
 
 	defer func() {
 		if !isOk {
@@ -257,15 +261,22 @@ func (this *FileReader) ReadBody(buf []byte, callback ReaderFunc) error {
 }
 
 func (this *FileReader) Read(buf []byte) (n int, err error) {
+	if this.bodySize == 0 {
+		n = 0
+		err = io.EOF
+		return
+	}
+
 	n, err = this.fp.Read(buf)
 	if err != nil && err != io.EOF {
 		_ = this.discard()
 	}
+
 	return
 }
 
 func (this *FileReader) ReadBodyRange(buf []byte, start int64, end int64, callback ReaderFunc) error {
-	isOk := false
+	var isOk = false
 
 	defer func() {
 		if !isOk {
@@ -273,7 +284,7 @@ func (this *FileReader) ReadBodyRange(buf []byte, start int64, end int64, callba
 		}
 	}()
 
-	offset := start
+	var offset = start
 	if start < 0 {
 		offset = this.bodyOffset + this.bodySize + end
 		end = this.bodyOffset + this.bodySize - 1
@@ -296,7 +307,7 @@ func (this *FileReader) ReadBodyRange(buf []byte, start int64, end int64, callba
 	for {
 		n, err := this.fp.Read(buf)
 		if n > 0 {
-			n2 := int(end-offset) + 1
+			var n2 = int(end-offset) + 1
 			if n2 <= n {
 				_, e := callback(n2)
 				if e != nil {
@@ -344,12 +355,12 @@ func (this *FileReader) FP() *os.File {
 }
 
 func (this *FileReader) Close() error {
-	if this.openFileCache != nil {
-		if this.isClosed {
-			return nil
-		}
-		this.isClosed = true
+	if this.isClosed {
+		return nil
+	}
+	this.isClosed = true
 
+	if this.openFileCache != nil {
 		if this.openFile != nil {
 			this.openFileCache.Put(this.fp.Name(), this.openFile)
 		} else {
@@ -359,6 +370,7 @@ func (this *FileReader) Close() error {
 		}
 		return nil
 	}
+
 	return this.fp.Close()
 }
 

internal/caches/reader_file_test.go

@@ -8,21 +8,29 @@ import (
 )
 
 func TestFileReader(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
 	}
-	_, path := storage.keyPath("my-key")
+
+	_, path, _ := storage.keyPath("my-key")
 
 	fp, err := os.Open(path)
 	if err != nil {
+		if os.IsNotExist(err) {
+			t.Log("file '" + path + "' not exists")
+			return
+		}
 		t.Fatal(err)
 	}
 	defer func() {
@@ -58,6 +66,10 @@ func TestFileReader_ReadHeader(t *testing.T) {
 	var path = "/Users/WorkSpace/EdgeProject/EdgeCache/p43/12/6b/126bbed90fc80f2bdfb19558948b0d49.cache"
 	fp, err := os.Open(path)
 	if err != nil {
+		if os.IsNotExist(err) {
+			t.Log("'" + path + "' not exists")
+			return
+		}
 		t.Fatal(err)
 	}
 	defer func() {
@@ -66,6 +78,11 @@ func TestFileReader_ReadHeader(t *testing.T) {
 	var reader = NewFileReader(fp)
 	err = reader.Init()
 	if err != nil {
+		if os.IsNotExist(err) {
+			t.Log("file '" + path + "' not exists")
+			return
+		}
+
 		t.Fatal(err)
 	}
 	var buf = make([]byte, 16*1024)
@@ -79,13 +96,16 @@ func TestFileReader_ReadHeader(t *testing.T) {
 }
 
 func TestFileReader_Range(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -105,10 +125,14 @@ func TestFileReader_Range(t *testing.T) {
 	}
 	_ = writer.Close()**/
 
-	_, path := storage.keyPath("my-number")
+	_, path, _ := storage.keyPath("my-number")
 
 	fp, err := os.Open(path)
 	if err != nil {
+		if os.IsNotExist(err) {
+			t.Log("'" + path + "' not exists")
+			return
+		}
 		t.Fatal(err)
 	}
 	defer func() {

internal/caches/reader_partial_file.go

@@ -117,13 +117,10 @@ func (this *PartialFileReader) ContainsRange(r rangeutils.Range) (r2 rangeutils.
 	r2, ok = this.ranges.Nearest(r.Start(), r.End())
 	if ok && this.bodySize > 0 {
 		// 考虑可配置
-		var span int64 = 512 * 1024
-		if this.bodySize > 1<<30 {
-			span = 1 << 20
-		}
+		const minSpan = 128 << 10
 
 		// 这里限制返回的最小缓存，防止因为返回的内容过小而导致请求过多
-		if r2.Length() < r.Length() && r2.Length() < span {
+		if r2.Length() < r.Length() && r2.Length() < minSpan {
 			ok = false
 		}
 	}
@@ -138,6 +135,10 @@ func (this *PartialFileReader) MaxLength() int64 {
 	return this.ranges.Max() + 1
 }
 
+func (this *PartialFileReader) Ranges() *PartialRanges {
+	return this.ranges
+}
+
 func (this *PartialFileReader) discard() error {
 	_ = os.Remove(this.rangePath)
 	return this.FileReader.discard()

internal/caches/storage_file.go

@@ -14,6 +14,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/trackers"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	fsutils "github.com/TeaOSLab/EdgeNode/internal/utils/fs"
 	setutils "github.com/TeaOSLab/EdgeNode/internal/utils/sets"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/sizes"
 	"github.com/TeaOSLab/EdgeNode/internal/zero"
@@ -21,8 +22,6 @@ import (
 	"github.com/iwind/TeaGo/rands"
 	"github.com/iwind/TeaGo/types"
 	stringutil "github.com/iwind/TeaGo/utils/string"
-	"golang.org/x/text/language"
-	"golang.org/x/text/message"
 	"math"
 	"os"
 	"path/filepath"
@@ -31,7 +30,6 @@ import (
 	"strconv"
 	"strings"
 	"sync"
-	"sync/atomic"
 	"syscall"
 	"time"
 )
@@ -48,33 +46,34 @@ const (
 	SizeBodyLength     = 8
 	OffsetBodyLength   = OffsetHeaderLength + SizeHeaderLength
 
-	SizeMeta  = SizeExpiresAt + SizeStatus + SizeURLLength + SizeHeaderLength + SizeBodyLength
-	OffsetKey = SizeMeta
+	SizeMeta = SizeExpiresAt + SizeStatus + SizeURLLength + SizeHeaderLength + SizeBodyLength
 )
 
 const (
-	FileStorageMaxIgnoreKeys       = 32768        // 最大可忽略的键值数（尺寸过大的键值）
-	HotItemSize                    = 1024         // 热点数据数量
-	HotItemLifeSeconds       int64 = 3600         // 热点数据生命周期
-	FileToMemoryMaxSize            = 32 * sizes.M // 可以从文件写入到内存的最大文件尺寸
-	FileTmpSuffix                  = ".tmp"
+	FileStorageMaxIgnoreKeys        = 32768        // 最大可忽略的键值数（尺寸过大的键值）
+	HotItemSize                     = 1024         // 热点数据数量
+	HotItemLifeSeconds       int64  = 3600         // 热点数据生命周期
+	FileToMemoryMaxSize             = 32 * sizes.M // 可以从文件写入到内存的最大文件尺寸
+	FileTmpSuffix                   = ".tmp"
+	MinDiskSpace             uint64 = 5 << 30 // 当前磁盘最小剩余空间
 )
 
 var sharedWritingFileKeyMap = map[string]zero.Zero{} // key => bool
 var sharedWritingFileKeyLocker = sync.Mutex{}
 
-var maxOpenFiles = NewMaxOpenFiles(2)
+var maxOpenFiles = NewMaxOpenFiles()
 
-const maxOpenFilesSlowCost = 500 * time.Microsecond // 0.5ms
+const maxOpenFilesSlowCost = 1000 * time.Microsecond // us
+const protectingLoadWhenDump = false
 
 // FileStorage 文件缓存
-//   文件结构：
-//    [expires time] | [ status ] | [url length] | [header length] | [body length] | [url] [header data] [body data]
+//
+//	文件结构：
+//	 [expires time] | [ status ] | [url length] | [header length] | [body length] | [url] [header data] [body data]
 type FileStorage struct {
 	policy        *serverconfigs.HTTPCachePolicy
 	options       *serverconfigs.HTTPFileCacheStorage // 二级缓存
 	memoryStorage *MemoryStorage                      // 一级缓存
-	totalSize     int64
 
 	list        ListInterface
 	locker      sync.RWMutex
@@ -88,6 +87,10 @@ type FileStorage struct {
 	ignoreKeys *setutils.FixedSet
 
 	openFileCache *OpenFileCache
+
+	mainDiskIsFull bool
+
+	subDirs []*FileDir
 }
 
 func NewFileStorage(policy *serverconfigs.HTTPCachePolicy) *FileStorage {
@@ -151,6 +154,16 @@ func (this *FileStorage) UpdatePolicy(newPolicy *serverconfigs.HTTPCachePolicy)
 		return
 	}
 
+	var subDirs = []*FileDir{}
+	for _, subDir := range newOptions.SubDirs {
+		subDirs = append(subDirs, &FileDir{
+			Path:     subDir.Path,
+			Capacity: subDir.Capacity,
+			IsFull:   false,
+		})
+	}
+	this.checkDiskSpace()
+
 	err = newOptions.Init()
 	if err != nil {
 		remotelogs.Error("CACHE", "update policy '"+types.String(this.policy.Id)+"' failed: init options failed: "+err.Error())
@@ -177,7 +190,7 @@ func (this *FileStorage) UpdatePolicy(newPolicy *serverconfigs.HTTPCachePolicy)
 	// open cache
 	oldOpenFileCacheJSON, _ := json.Marshal(oldOpenFileCache)
 	newOpenFileCacheJSON, _ := json.Marshal(this.options.OpenFileCache)
-	if bytes.Compare(oldOpenFileCacheJSON, newOpenFileCacheJSON) != 0 {
+	if !bytes.Equal(oldOpenFileCacheJSON, newOpenFileCacheJSON) {
 		this.initOpenFileCache()
 	}
 
@@ -185,6 +198,9 @@ func (this *FileStorage) UpdatePolicy(newPolicy *serverconfigs.HTTPCachePolicy)
 	if newPolicy.PersistenceAutoPurgeInterval != this.policy.PersistenceAutoPurgeInterval {
 		this.initPurgeTicker()
 	}
+
+	// reset ignored keys
+	this.ignoreKeys.Reset()
 }
 
 // Init 初始化
@@ -213,6 +229,19 @@ func (this *FileStorage) Init() error {
 	this.options.Dir = filepath.Clean(this.options.Dir)
 	var dir = this.options.Dir
 
+	var subDirs = []*FileDir{}
+	for _, subDir := range this.options.SubDirs {
+		subDirs = append(subDirs, &FileDir{
+			Path:     subDir.Path,
+			Capacity: subDir.Capacity,
+			IsFull:   false,
+		})
+	}
+	this.subDirs = subDirs
+	if len(subDirs) > 0 {
+		this.checkDiskSpace()
+	}
+
 	if len(dir) == 0 {
 		return errors.New("[CACHE]cache storage dir can not be empty")
 	}
@@ -224,19 +253,6 @@ func (this *FileStorage) Init() error {
 	}
 	list.(*FileList).SetOldDir(dir + "/p" + types.String(this.policy.Id))
 	this.list = list
-	stat, err := list.Stat(func(hash string) bool {
-		return true
-	})
-	if err != nil {
-		return err
-	}
-	this.totalSize = stat.Size
-	this.list.OnAdd(func(item *Item) {
-		atomic.AddInt64(&this.totalSize, item.TotalSize())
-	})
-	this.list.OnRemove(func(item *Item) {
-		atomic.AddInt64(&this.totalSize, -item.TotalSize())
-	})
 
 	// 检查目录是否存在
 	_, err = os.Stat(dir)
@@ -253,19 +269,17 @@ func (this *FileStorage) Init() error {
 
 	defer func() {
 		// 统计
-		var count = stat.Count
-		var size = stat.Size
-
+		var totalSize = this.TotalDiskSize()
 		var cost = time.Since(before).Seconds() * 1000
-		sizeMB := strconv.FormatInt(size, 10) + " Bytes"
-		if size > 1*sizes.G {
-			sizeMB = fmt.Sprintf("%.3f G", float64(size)/float64(sizes.G))
-		} else if size > 1*sizes.M {
-			sizeMB = fmt.Sprintf("%.3f M", float64(size)/float64(sizes.M))
-		} else if size > 1*sizes.K {
-			sizeMB = fmt.Sprintf("%.3f K", float64(size)/float64(sizes.K))
+		var sizeMB = types.String(totalSize) + " Bytes"
+		if totalSize > 1*sizes.G {
+			sizeMB = fmt.Sprintf("%.3f G", float64(totalSize)/float64(sizes.G))
+		} else if totalSize > 1*sizes.M {
+			sizeMB = fmt.Sprintf("%.3f M", float64(totalSize)/float64(sizes.M))
+		} else if totalSize > 1*sizes.K {
+			sizeMB = fmt.Sprintf("%.3f K", float64(totalSize)/float64(sizes.K))
 		}
-		remotelogs.Println("CACHE", "init policy "+strconv.FormatInt(this.policy.Id, 10)+" from '"+this.options.Dir+"', cost: "+fmt.Sprintf("%.2f", cost)+" ms, count: "+message.NewPrinter(language.English).Sprintf("%d", count)+", size: "+sizeMB)
+		remotelogs.Println("CACHE", "init policy "+types.String(this.policy.Id)+" from '"+this.options.Dir+"', cost: "+fmt.Sprintf("%.2f", cost)+" ms, size: "+sizeMB)
 	}()
 
 	// 初始化list
@@ -285,6 +299,9 @@ func (this *FileStorage) Init() error {
 	// open file cache
 	this.initOpenFileCache()
 
+	// 检查磁盘空间
+	this.checkDiskSpace()
+
 	return nil
 }
 
@@ -312,7 +329,7 @@ func (this *FileStorage) openReader(key string, allowMemory bool, useStale bool,
 		}
 	}
 
-	hash, path := this.keyPath(key)
+	hash, path, _ := this.keyPath(key)
 
 	// 检查文件记录是否已过期
 	if !useStale {
@@ -380,35 +397,35 @@ func (this *FileStorage) openReader(key string, allowMemory bool, useStale bool,
 }
 
 // OpenWriter 打开缓存文件等待写入
-func (this *FileStorage) OpenWriter(key string, expiresAt int64, status int, size int64, maxSize int64, isPartial bool) (Writer, error) {
-	return this.openWriter(key, expiresAt, status, size, maxSize, isPartial, false)
+func (this *FileStorage) OpenWriter(key string, expiresAt int64, status int, headerSize int, bodySize int64, maxSize int64, isPartial bool) (Writer, error) {
+	return this.openWriter(key, expiresAt, status, headerSize, bodySize, maxSize, isPartial, false)
 }
 
 // OpenFlushWriter 打开从其他媒介直接刷入的写入器
-func (this *FileStorage) OpenFlushWriter(key string, expiresAt int64, status int) (Writer, error) {
-	return this.openWriter(key, expiresAt, status, -1, -1, false, true)
+func (this *FileStorage) OpenFlushWriter(key string, expiresAt int64, status int, headerSize int, bodySize int64) (Writer, error) {
+	return this.openWriter(key, expiresAt, status, headerSize, bodySize, -1, false, true)
 }
 
-func (this *FileStorage) openWriter(key string, expiredAt int64, status int, size int64, maxSize int64, isPartial bool, isFlushing bool) (Writer, error) {
+func (this *FileStorage) openWriter(key string, expiredAt int64, status int, headerSize int, bodySize int64, maxSize int64, isPartial bool, isFlushing bool) (Writer, error) {
 	// 是否正在退出
 	if teaconst.IsQuiting {
 		return nil, ErrWritingUnavailable
 	}
 
 	// 是否已忽略
-	if this.ignoreKeys.Has(key) {
+	if maxSize > 0 && this.ignoreKeys.Has(types.String(maxSize)+"$"+key) {
 		return nil, ErrEntityTooLarge
 	}
 
 	// 先尝试内存缓存
 	// 我们限定仅小文件优先存在内存中
 	var maxMemorySize = FileToMemoryMaxSize
-	if maxSize > maxMemorySize {
+	if maxSize > 0 && maxSize < maxMemorySize {
 		maxMemorySize = maxSize
 	}
 	var memoryStorage = this.memoryStorage
-	if !isFlushing && !isPartial && memoryStorage != nil && ((size > 0 && size < maxMemorySize) || size < 0) {
-		writer, err := memoryStorage.OpenWriter(key, expiredAt, status, size, maxMemorySize, false)
+	if !isFlushing && !isPartial && memoryStorage != nil && ((bodySize > 0 && bodySize < maxMemorySize) || bodySize < 0) {
+		writer, err := memoryStorage.OpenWriter(key, expiredAt, status, headerSize, bodySize, maxMemorySize, false)
 		if err == nil {
 			return writer, nil
 		}
@@ -428,7 +445,7 @@ func (this *FileStorage) openWriter(key string, expiredAt int64, status int, siz
 		return nil, ErrFileIsWriting
 	}
 
-	if len(sharedWritingFileKeyMap) >= int(maxOpenFiles.Max()) {
+	if !isFlushing && !maxOpenFiles.Next() {
 		sharedWritingFileKeyLocker.Unlock()
 		return nil, ErrTooManyOpenFiles
 	}
@@ -439,36 +456,24 @@ func (this *FileStorage) openWriter(key string, expiredAt int64, status int, siz
 		if !isOk {
 			sharedWritingFileKeyLocker.Lock()
 			delete(sharedWritingFileKeyMap, key)
+			if len(sharedWritingFileKeyMap) == 0 {
+				maxOpenFiles.FinishAll()
+			}
 			sharedWritingFileKeyLocker.Unlock()
 		}
 	}()
 
-	// 检查是否超出最大值
-	count, err := this.list.Count()
-	if err != nil {
-		return nil, err
-	}
-	if this.policy.MaxKeys > 0 && count > this.policy.MaxKeys {
-		return nil, NewCapacityError("write file cache failed: too many keys in cache storage")
-	}
+	// 检查是否超出容量
 	var capacityBytes = this.diskCapacityBytes()
-	if capacityBytes > 0 && capacityBytes <= this.totalSize {
-		return nil, NewCapacityError("write file cache failed: over disk size, current total size: " + strconv.FormatInt(this.totalSize, 10) + " bytes, capacity: " + strconv.FormatInt(capacityBytes, 10))
+	if capacityBytes > 0 && capacityBytes <= this.TotalDiskSize() {
+		return nil, NewCapacityError("write file cache failed: over disk size, current total size: " + types.String(this.TotalDiskSize()) + " bytes, capacity: " + types.String(capacityBytes))
 	}
 
 	var hash = stringutil.Md5(key)
 
-	// TODO 可以只stat一次
-	var dir = this.options.Dir + "/p" + strconv.FormatInt(this.policy.Id, 10) + "/" + hash[:2] + "/" + hash[2:4]
-	_, err = os.Stat(dir)
-	if err != nil {
-		if !os.IsNotExist(err) {
-			return nil, err
-		}
-		err = os.MkdirAll(dir, 0777)
-		if err != nil {
-			return nil, err
-		}
+	dir, diskIsFull := this.subDir(hash)
+	if diskIsFull {
+		return nil, NewCapacityError("the disk is full")
 	}
 
 	// 检查缓存是否已经生成
@@ -481,11 +486,16 @@ func (this *FileStorage) openWriter(key string, expiredAt int64, status int, siz
 		openFileCache.Close(cachePath)
 	}
 
+	// 查询当前已有缓存文件
 	stat, err := os.Stat(cachePath)
-	if err == nil && time.Now().Sub(stat.ModTime()) <= 1*time.Second {
+
+	// 检查两次写入缓存的时间是否过于相近，分片内容不受此限制
+	if err == nil && !isPartial && time.Now().Sub(stat.ModTime()) <= 1*time.Second {
 		// 防止并发连续写入
 		return nil, ErrFileIsWriting
 	}
+
+	// 构造文件名
 	var tmpPath = cachePath
 	var existsFile = false
 	if stat != nil {
@@ -510,19 +520,38 @@ func (this *FileStorage) openWriter(key string, expiredAt int64, status int, siz
 	// 从已经存储的内容中读取信息
 	var isNewCreated = true
 	var partialBodyOffset int64
+	var partialRanges *PartialRanges
 	if isPartial {
-		readerFp, err := os.OpenFile(tmpPath, os.O_RDONLY, 0444)
-		if err == nil {
-			var partialReader = NewPartialFileReader(readerFp)
-			err = partialReader.Init()
-			_ = partialReader.Close()
-			if err == nil && partialReader.bodyOffset > 0 {
-				isNewCreated = false
-				partialBodyOffset = partialReader.bodyOffset
-			} else {
-				_ = this.removeCacheFile(tmpPath)
+		// 数据库中是否存在
+		existsCacheItem, _ := this.list.Exist(hash)
+		if existsCacheItem {
+			readerFp, err := os.OpenFile(tmpPath, os.O_RDONLY, 0444)
+			if err == nil {
+				var partialReader = NewPartialFileReader(readerFp)
+				err = partialReader.Init()
+				_ = partialReader.Close()
+				if err == nil && partialReader.bodyOffset > 0 {
+					partialRanges = partialReader.Ranges()
+					if bodySize > 0 && partialRanges != nil && partialRanges.BodySize > 0 && bodySize != partialRanges.BodySize {
+						_ = this.removeCacheFile(tmpPath)
+					} else {
+						isNewCreated = false
+						partialBodyOffset = partialReader.bodyOffset
+					}
+				} else {
+					_ = this.removeCacheFile(tmpPath)
+				}
 			}
 		}
+		if isNewCreated {
+			err = this.list.Remove(hash)
+			if err != nil {
+				return nil, err
+			}
+		}
+		if partialRanges == nil {
+			partialRanges = NewPartialRanges(expiredAt)
+		}
 	}
 
 	var flags = os.O_CREATE | os.O_WRONLY
@@ -532,12 +561,23 @@ func (this *FileStorage) openWriter(key string, expiredAt int64, status int, siz
 	var before = time.Now()
 	writer, err := os.OpenFile(tmpPath, flags, 0666)
 	if err != nil {
-		return nil, err
+		// TODO 检查在各个系统中的稳定性
+		if os.IsNotExist(err) {
+			_ = os.MkdirAll(dir, 0777)
+
+			// open file again
+			writer, err = os.OpenFile(tmpPath, flags, 0666)
+		}
+		if err != nil {
+			return nil, err
+		}
 	}
-	if time.Since(before) >= maxOpenFilesSlowCost {
-		maxOpenFiles.Slow()
-	} else {
-		maxOpenFiles.Fast()
+	if !isFlushing {
+		if time.Since(before) >= maxOpenFilesSlowCost {
+			maxOpenFiles.Slow()
+		} else {
+			maxOpenFiles.Fast()
+		}
 	}
 
 	var removeOnFailure = true
@@ -562,9 +602,12 @@ func (this *FileStorage) openWriter(key string, expiredAt int64, status int, siz
 		return nil, ErrFileIsWriting
 	}
 
+	var metaBodySize int64 = -1
+	var metaHeaderSize = -1
 	if isNewCreated {
-		// 写入过期时间
-		var metaBytes = make([]byte, SizeMeta+len(key))
+		// 写入meta
+		// 从v0.5.8开始不再在meta中写入Key
+		var metaBytes = make([]byte, SizeMeta)
 		binary.BigEndian.PutUint32(metaBytes[OffsetExpiresAt:], uint32(expiredAt))
 
 		// 写入状态码
@@ -573,17 +616,17 @@ func (this *FileStorage) openWriter(key string, expiredAt int64, status int, siz
 		}
 		copy(metaBytes[OffsetStatus:], strconv.Itoa(status))
 
-		// 写入URL长度
-		binary.BigEndian.PutUint32(metaBytes[OffsetURLLength:], uint32(len(key)))
-
 		// 写入Header Length
-		binary.BigEndian.PutUint32(metaBytes[OffsetHeaderLength:], uint32(0))
+		if headerSize > 0 {
+			binary.BigEndian.PutUint32(metaBytes[OffsetHeaderLength:], uint32(headerSize))
+			metaHeaderSize = headerSize
+		}
 
 		// 写入Body Length
-		binary.BigEndian.PutUint64(metaBytes[OffsetBodyLength:], uint64(0))
-
-		// 写入URL
-		copy(metaBytes[OffsetKey:], key)
+		if bodySize > 0 {
+			binary.BigEndian.PutUint64(metaBytes[OffsetBodyLength:], uint64(bodySize))
+			metaBodySize = bodySize
+		}
 
 		_, err = writer.Write(metaBytes)
 		if err != nil {
@@ -593,20 +636,21 @@ func (this *FileStorage) openWriter(key string, expiredAt int64, status int, siz
 
 	isOk = true
 	if isPartial {
-		ranges, err := NewPartialRangesFromFile(cachePathName + "@ranges.cache")
-		if err != nil {
-			ranges = NewPartialRanges()
-		}
-
-		return NewPartialFileWriter(writer, key, expiredAt, isNewCreated, isPartial, partialBodyOffset, ranges, func() {
+		return NewPartialFileWriter(writer, key, expiredAt, metaHeaderSize, metaBodySize, isNewCreated, isPartial, partialBodyOffset, partialRanges, func() {
 			sharedWritingFileKeyLocker.Lock()
 			delete(sharedWritingFileKeyMap, key)
+			if len(sharedWritingFileKeyMap) == 0 {
+				maxOpenFiles.FinishAll()
+			}
 			sharedWritingFileKeyLocker.Unlock()
 		}), nil
 	} else {
-		return NewFileWriter(this, writer, key, expiredAt, -1, func() {
+		return NewFileWriter(this, writer, key, expiredAt, metaHeaderSize, metaBodySize, maxSize, func() {
 			sharedWritingFileKeyLocker.Lock()
 			delete(sharedWritingFileKeyMap, key)
+			if len(sharedWritingFileKeyMap) == 0 {
+				maxOpenFiles.FinishAll()
+			}
 			sharedWritingFileKeyLocker.Unlock()
 		}), nil
 	}
@@ -628,7 +672,7 @@ func (this *FileStorage) AddToList(item *Item) {
 	}
 
 	item.MetaSize = SizeMeta + 128
-	hash := stringutil.Md5(item.Key)
+	var hash = stringutil.Md5(item.Key)
 	err := this.list.Add(hash, item)
 	if err != nil && !strings.Contains(err.Error(), "UNIQUE constraint failed") {
 		remotelogs.Error("CACHE", "add to list failed: "+err.Error())
@@ -642,15 +686,12 @@ func (this *FileStorage) Delete(key string) error {
 		return nil
 	}
 
-	this.locker.Lock()
-	defer this.locker.Unlock()
-
 	// 先尝试内存缓存
 	this.runMemoryStorageSafety(func(memoryStorage *MemoryStorage) {
 		_ = memoryStorage.Delete(key)
 	})
 
-	hash, path := this.keyPath(key)
+	hash, path, _ := this.keyPath(key)
 	err := this.list.Remove(hash)
 	if err != nil {
 		return err
@@ -665,9 +706,6 @@ func (this *FileStorage) Delete(key string) error {
 
 // Stat 统计
 func (this *FileStorage) Stat() (*Stat, error) {
-	this.locker.RLock()
-	defer this.locker.RUnlock()
-
 	return this.list.Stat(func(hash string) bool {
 		return true
 	})
@@ -690,57 +728,72 @@ func (this *FileStorage) CleanAll() error {
 
 	// 删除缓存和目录
 	// 不能直接删除子目录，比较危险
-	dir := this.dir()
-	fp, err := os.Open(dir)
-	if err != nil {
-		return err
-	}
-	defer func() {
-		_ = fp.Close()
-	}()
 
-	stat, err := fp.Stat()
-	if err != nil {
-		return err
-	}
-
-	if !stat.IsDir() {
-		return nil
-	}
-
-	// 改成待删除
-	subDirs, err := fp.Readdir(-1)
-	if err != nil {
-		return err
-	}
-	for _, info := range subDirs {
-		subDir := info.Name()
-
-		// 检查目录名
-		ok, err := regexp.MatchString(`^[0-9a-f]{2}$`, subDir)
-		if err != nil {
-			return err
-		}
-		if !ok {
-			continue
+	var rootDirs = []string{this.options.Dir}
+	var subDirs = this.subDirs // copy slice
+	if len(subDirs) > 0 {
+		for _, subDir := range subDirs {
+			rootDirs = append(rootDirs, subDir.Path)
 		}
+	}
 
-		// 修改目录名
-		tmpDir := dir + "/" + subDir + "-deleted"
-		err = os.Rename(dir+"/"+subDir, tmpDir)
+	var dirNameReg = regexp.MustCompile(`^[0-9a-f]{2}$`)
+	for _, rootDir := range rootDirs {
+		var dir = rootDir + "/p" + types.String(this.policy.Id)
+		err = func(dir string) error {
+			fp, err := os.Open(dir)
+			if err != nil {
+				return err
+			}
+			defer func() {
+				_ = fp.Close()
+			}()
+
+			stat, err := fp.Stat()
+			if err != nil {
+				return err
+			}
+
+			if !stat.IsDir() {
+				return nil
+			}
+
+			// 改成待删除
+			subDirs, err := fp.Readdir(-1)
+			if err != nil {
+				return err
+			}
+			for _, info := range subDirs {
+				subDir := info.Name()
+
+				// 检查目录名
+				if !dirNameReg.MatchString(subDir) {
+					continue
+				}
+
+				// 修改目录名
+				tmpDir := dir + "/" + subDir + "-deleted"
+				err = os.Rename(dir+"/"+subDir, tmpDir)
+				if err != nil {
+					return err
+				}
+			}
+
+			// 重新遍历待删除
+			goman.New(func() {
+				err = this.cleanDeletedDirs(dir)
+				if err != nil {
+					remotelogs.Warn("CACHE", "delete '*-deleted' dirs failed: "+err.Error())
+				}
+			})
+
+			return nil
+		}(dir)
 		if err != nil {
 			return err
 		}
 	}
 
-	// 重新遍历待删除
-	goman.New(func() {
-		err = this.cleanDeletedDirs(dir)
-		if err != nil {
-			remotelogs.Warn("CACHE", "delete '*-deleted' dirs failed: "+err.Error())
-		}
-	})
-
 	return nil
 }
 
@@ -751,9 +804,6 @@ func (this *FileStorage) Purge(keys []string, urlType string) error {
 		return nil
 	}
 
-	this.locker.Lock()
-	defer this.locker.Unlock()
-
 	// 先尝试内存缓存
 	this.runMemoryStorageSafety(func(memoryStorage *MemoryStorage) {
 		_ = memoryStorage.Purge(keys, urlType)
@@ -762,16 +812,44 @@ func (this *FileStorage) Purge(keys []string, urlType string) error {
 	// 目录
 	if urlType == "dir" {
 		for _, key := range keys {
+			// 检查是否有通配符 http(s)://*.example.com
+			var schemeIndex = strings.Index(key, "://")
+			if schemeIndex > 0 {
+				var keyRight = key[schemeIndex+3:]
+				if strings.HasPrefix(keyRight, "*.") {
+					err := this.list.CleanMatchPrefix(key)
+					if err != nil {
+						return err
+					}
+					continue
+				}
+			}
+
 			err := this.list.CleanPrefix(key)
 			if err != nil {
 				return err
 			}
 		}
+		return nil
 	}
 
-	// 文件
+	// URL
 	for _, key := range keys {
-		hash, path := this.keyPath(key)
+		// 检查是否有通配符 http(s)://*.example.com
+		var schemeIndex = strings.Index(key, "://")
+		if schemeIndex > 0 {
+			var keyRight = key[schemeIndex+3:]
+			if strings.HasPrefix(keyRight, "*.") {
+				err := this.list.CleanMatchKey(key)
+				if err != nil {
+					return err
+				}
+				continue
+			}
+		}
+
+		// 普通的Key
+		hash, path, _ := this.keyPath(key)
 		err := this.removeCacheFile(path)
 		if err != nil && !os.IsNotExist(err) {
 			return err
@@ -797,7 +875,10 @@ func (this *FileStorage) Stop() {
 		memoryStorage.Stop()
 	})
 
-	_ = this.list.Reset()
+	if this.list != nil {
+		_ = this.list.Reset()
+	}
+
 	if this.purgeTicker != nil {
 		this.purgeTicker.Stop()
 	}
@@ -805,7 +886,9 @@ func (this *FileStorage) Stop() {
 		this.hotTicker.Stop()
 	}
 
-	_ = this.list.Close()
+	if this.list != nil {
+		_ = this.list.Close()
+	}
 
 	var openFileCache = this.openFileCache
 	if openFileCache != nil {
@@ -817,7 +900,11 @@ func (this *FileStorage) Stop() {
 
 // TotalDiskSize 消耗的磁盘尺寸
 func (this *FileStorage) TotalDiskSize() int64 {
-	return atomic.LoadInt64(&this.totalSize)
+	stat, err := fsutils.StatCache(this.options.Dir)
+	if err == nil {
+		return int64(stat.UsedSize())
+	}
+	return 0
 }
 
 // TotalMemorySize 内存尺寸
@@ -830,8 +917,8 @@ func (this *FileStorage) TotalMemorySize() int64 {
 }
 
 // IgnoreKey 忽略某个Key，即不缓存某个Key
-func (this *FileStorage) IgnoreKey(key string) {
-	this.ignoreKeys.Push(key)
+func (this *FileStorage) IgnoreKey(key string, maxSize int64) {
+	this.ignoreKeys.Push(types.String(maxSize) + "$" + key)
 }
 
 // CanSendfile 是否支持Sendfile
@@ -842,25 +929,22 @@ func (this *FileStorage) CanSendfile() bool {
 	return this.options.EnableSendfile
 }
 
-// 绝对路径
-func (this *FileStorage) dir() string {
-	return this.options.Dir + "/p" + strconv.FormatInt(this.policy.Id, 10) + "/"
-}
-
 // 获取Key对应的文件路径
-func (this *FileStorage) keyPath(key string) (hash string, path string) {
+func (this *FileStorage) keyPath(key string) (hash string, path string, diskIsFull bool) {
 	hash = stringutil.Md5(key)
-	dir := this.options.Dir + "/p" + strconv.FormatInt(this.policy.Id, 10) + "/" + hash[:2] + "/" + hash[2:4]
+	var dir string
+	dir, diskIsFull = this.subDir(hash)
 	path = dir + "/" + hash + ".cache"
 	return
 }
 
 // 获取Hash对应的文件路径
-func (this *FileStorage) hashPath(hash string) (path string) {
+func (this *FileStorage) hashPath(hash string) (path string, diskIsFull bool) {
 	if len(hash) != 32 {
-		return ""
+		return "", false
 	}
-	dir := this.options.Dir + "/p" + strconv.FormatInt(this.policy.Id, 10) + "/" + hash[:2] + "/" + hash[2:4]
+	var dir string
+	dir, diskIsFull = this.subDir(hash)
 	path = dir + "/" + hash + ".cache"
 	return
 }
@@ -918,19 +1002,39 @@ func (this *FileStorage) initList() error {
 }
 
 // 清理任务
+// TODO purge每个分区
 func (this *FileStorage) purgeLoop() {
+	// 检查磁盘剩余空间
+	this.checkDiskSpace()
+
 	// 计算是否应该开启LFU清理
-	var capacityBytes = this.policy.CapacityBytes()
+	var capacityBytes = this.diskCapacityBytes()
 	var startLFU = false
-	var usedPercent = float32(this.TotalDiskSize()*100) / float32(capacityBytes)
 	var lfuFreePercent = this.policy.PersistenceLFUFreePercent
 	if lfuFreePercent <= 0 {
 		lfuFreePercent = 5
 	}
-	if capacityBytes > 0 {
-		if lfuFreePercent < 100 {
-			if usedPercent >= 100-lfuFreePercent {
-				startLFU = true
+
+	var hasFullDisk = this.mainDiskIsFull
+	if !hasFullDisk {
+		var subDirs = this.subDirs // copy slice
+		for _, subDir := range subDirs {
+			if subDir.IsFull {
+				hasFullDisk = true
+				break
+			}
+		}
+	}
+
+	if hasFullDisk {
+		startLFU = true
+	} else {
+		var usedPercent = float32(this.TotalDiskSize()*100) / float32(capacityBytes)
+		if capacityBytes > 0 {
+			if lfuFreePercent < 100 {
+				if usedPercent >= 100-lfuFreePercent {
+					startLFU = true
+				}
 			}
 		}
 	}
@@ -955,7 +1059,7 @@ func (this *FileStorage) purgeLoop() {
 		}
 		for i := 0; i < times; i++ {
 			countFound, err := this.list.Purge(purgeCount, func(hash string) error {
-				path := this.hashPath(hash)
+				path, _ := this.hashPath(hash)
 				err := this.removeCacheFile(path)
 				if err != nil && !os.IsNotExist(err) {
 					remotelogs.Error("CACHE", "purge '"+path+"' error: "+err.Error())
@@ -989,7 +1093,7 @@ func (this *FileStorage) purgeLoop() {
 
 				remotelogs.Println("CACHE", "LFU purge policy '"+this.policy.Name+"' id: "+types.String(this.policy.Id)+", count: "+types.String(count))
 				err := this.list.PurgeLFU(count, func(hash string) error {
-					path := this.hashPath(hash)
+					path, _ := this.hashPath(hash)
 					err := this.removeCacheFile(path)
 					if err != nil && !os.IsNotExist(err) {
 						remotelogs.Error("CACHE", "purge '"+path+"' error: "+err.Error())
@@ -1070,7 +1174,7 @@ func (this *FileStorage) hotLoop() {
 				expiresAt = bestExpiresAt
 			}
 
-			writer, err := memoryStorage.openWriter(item.Key, expiresAt, reader.Status(), reader.BodySize(), -1, false)
+			writer, err := memoryStorage.openWriter(item.Key, expiresAt, reader.Status(), types.Int(reader.HeaderSize()), reader.BodySize(), -1, false)
 			if err != nil {
 				if !CanIgnoreErr(err) {
 					remotelogs.Error("CACHE", "transfer hot item failed: "+err.Error())
@@ -1094,9 +1198,12 @@ func (this *FileStorage) hotLoop() {
 			}
 
 			err = reader.ReadBody(buf, func(n int) (goNext bool, err error) {
-				_, err = writer.Write(buf[:n])
-				if err == nil {
-					goNext = true
+				goNext = true
+				if n > 0 {
+					_, err = writer.Write(buf[:n])
+					if err != nil {
+						goNext = false
+					}
 				}
 				return
 			})
@@ -1109,6 +1216,7 @@ func (this *FileStorage) hotLoop() {
 			memoryStorage.AddToList(&Item{
 				Type:       writer.ItemType(),
 				Key:        item.Key,
+				Host:       ParseHost(item.Key),
 				ExpiredAt:  expiresAt,
 				HeaderSize: writer.HeaderSize(),
 				BodySize:   writer.BodySize(),
@@ -1236,7 +1344,6 @@ func (this *FileStorage) createMemoryStorage() error {
 		Name:        this.policy.Name,
 		Description: this.policy.Description,
 		Capacity:    this.options.MemoryPolicy.Capacity,
-		MaxKeys:     this.policy.MaxKeys,
 		MaxSize:     &shared.SizeCapacity{Count: 128, Unit: shared.SizeCapacityUnitMB}, // TODO 将来可以修改
 		Type:        serverconfigs.CachePolicyStorageMemory,
 		Options:     this.policy.Options,
@@ -1308,3 +1415,59 @@ func (this *FileStorage) runMemoryStorageSafety(f func(memoryStorage *MemoryStor
 		f(memoryStorage)
 	}
 }
+
+// 检查磁盘剩余空间
+func (this *FileStorage) checkDiskSpace() {
+	if this.options != nil && len(this.options.Dir) > 0 {
+		stat, err := fsutils.Stat(this.options.Dir)
+		if err == nil {
+			this.mainDiskIsFull = stat.FreeSize() < MinDiskSpace
+		}
+	}
+	var subDirs = this.subDirs // copy slice
+	for _, subDir := range subDirs {
+		stat, err := fsutils.Stat(subDir.Path)
+		if err == nil {
+			subDir.IsFull = stat.FreeSize() < MinDiskSpace
+		}
+	}
+}
+
+// 获取目录
+func (this *FileStorage) subDir(hash string) (dirPath string, dirIsFull bool) {
+	var suffix = "/p" + types.String(this.policy.Id) + "/" + hash[:2] + "/" + hash[2:4]
+
+	if len(hash) < 4 {
+		return this.options.Dir + suffix, this.mainDiskIsFull
+	}
+
+	var subDirs = this.subDirs // copy slice
+	var countSubDirs = len(subDirs)
+	if countSubDirs == 0 {
+		return this.options.Dir + suffix, this.mainDiskIsFull
+	}
+
+	countSubDirs++ // add main dir
+
+	// 最多只支持16个目录
+	if countSubDirs > 16 {
+		countSubDirs = 16
+	}
+
+	var dirIndex = this.charCode(hash[0]) % uint8(countSubDirs)
+	if dirIndex == 0 {
+		return this.options.Dir + suffix, this.mainDiskIsFull
+	}
+	var subDir = subDirs[dirIndex-1]
+	return subDir.Path + suffix, subDir.IsFull
+}
+
+func (this *FileStorage) charCode(r byte) uint8 {
+	if r >= '0' && r <= '9' {
+		return r - '0'
+	}
+	if r >= 'a' && r <= 'z' {
+		return r - 'a' + 10
+	}
+	return 0
+}

internal/caches/storage_file_test.go

@@ -8,7 +8,7 @@ import (
 	"github.com/iwind/TeaGo/Tea"
 	_ "github.com/iwind/TeaGo/bootstrap"
 	"github.com/iwind/TeaGo/logs"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"runtime"
 	"strconv"
@@ -18,7 +18,7 @@ import (
 )
 
 func TestFileStorage_Init(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
@@ -26,6 +26,8 @@ func TestFileStorage_Init(t *testing.T) {
 		},
 	})
 
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -40,17 +42,22 @@ func TestFileStorage_Init(t *testing.T) {
 
 	time.Sleep(2 * time.Second)
 	storage.purgeLoop()
-	t.Log(storage.list.(*FileList).total, "entries left")
+	t.Log(storage.list.(*FileList).Stat(func(hash string) bool {
+		return true
+	}))
 }
 
 func TestFileStorage_OpenWriter(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -62,7 +69,7 @@ func TestFileStorage_OpenWriter(t *testing.T) {
 
 	header := []byte("Header")
 	body := []byte("This is Body")
-	writer, err := storage.OpenWriter("my-key", time.Now().Unix()+86400, 200, -1, -1, false)
+	writer, err := storage.OpenWriter("my-key", time.Now().Unix()+86400, 200, -1, -1, -1, false)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -95,12 +102,15 @@ func TestFileStorage_OpenWriter_Partial(t *testing.T) {
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	writer, err := storage.OpenWriter("my-key", time.Now().Unix()+86400, 200, -1, -1, true)
+	writer, err := storage.OpenWriter("my-key", time.Now().Unix()+86400, 200, -1, -1, -1, true)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -123,13 +133,16 @@ func TestFileStorage_OpenWriter_Partial(t *testing.T) {
 }
 
 func TestFileStorage_OpenWriter_HTTP(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -139,7 +152,7 @@ func TestFileStorage_OpenWriter_HTTP(t *testing.T) {
 		t.Log(time.Since(now).Seconds()*1000, "ms")
 	}()
 
-	writer, err := storage.OpenWriter("my-http-response", time.Now().Unix()+86400, 200, -1, -1, false)
+	writer, err := storage.OpenWriter("my-http-response", time.Now().Unix()+86400, 200, -1, -1, -1, false)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -152,7 +165,7 @@ func TestFileStorage_OpenWriter_HTTP(t *testing.T) {
 			"Last-Modified": []string{"Wed, 06 Jan 2021 10:03:29 GMT"},
 			"Server":        []string{"CDN-Server"},
 		},
-		Body: ioutil.NopCloser(bytes.NewBuffer([]byte("THIS IS HTTP BODY"))),
+		Body: io.NopCloser(bytes.NewBuffer([]byte("THIS IS HTTP BODY"))),
 	}
 
 	for k, v := range resp.Header {
@@ -188,13 +201,16 @@ func TestFileStorage_OpenWriter_HTTP(t *testing.T) {
 }
 
 func TestFileStorage_Concurrent_Open_DifferentFile(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -212,7 +228,7 @@ func TestFileStorage_Concurrent_Open_DifferentFile(t *testing.T) {
 		go func(i int) {
 			defer wg.Done()
 
-			writer, err := storage.OpenWriter("abc"+strconv.Itoa(i), time.Now().Unix()+3600, 200, -1, -1, false)
+			writer, err := storage.OpenWriter("abc"+strconv.Itoa(i), time.Now().Unix()+3600, 200, -1, -1, -1, false)
 			if err != nil {
 				if err != ErrFileIsWriting {
 					t.Error(err)
@@ -243,13 +259,16 @@ func TestFileStorage_Concurrent_Open_DifferentFile(t *testing.T) {
 }
 
 func TestFileStorage_Concurrent_Open_SameFile(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -267,7 +286,7 @@ func TestFileStorage_Concurrent_Open_SameFile(t *testing.T) {
 		go func(i int) {
 			defer wg.Done()
 
-			writer, err := storage.OpenWriter("abc"+strconv.Itoa(0), time.Now().Unix()+3600, 200, -1, -1, false)
+			writer, err := storage.OpenWriter("abc"+strconv.Itoa(0), time.Now().Unix()+3600, 200, -1, -1, -1, false)
 			if err != nil {
 				if err != ErrFileIsWriting {
 					t.Error(err)
@@ -299,13 +318,16 @@ func TestFileStorage_Concurrent_Open_SameFile(t *testing.T) {
 }
 
 func TestFileStorage_Read(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -335,13 +357,16 @@ func TestFileStorage_Read(t *testing.T) {
 }
 
 func TestFileStorage_Read_HTTP_Response(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -388,13 +413,16 @@ func TestFileStorage_Read_HTTP_Response(t *testing.T) {
 }
 
 func TestFileStorage_Read_NotFound(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -421,13 +449,16 @@ func TestFileStorage_Read_NotFound(t *testing.T) {
 }
 
 func TestFileStorage_Delete(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -440,13 +471,16 @@ func TestFileStorage_Delete(t *testing.T) {
 }
 
 func TestFileStorage_Stat(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -465,13 +499,16 @@ func TestFileStorage_Stat(t *testing.T) {
 }
 
 func TestFileStorage_CleanAll(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -496,13 +533,16 @@ func TestFileStorage_CleanAll(t *testing.T) {
 }
 
 func TestFileStorage_Stop(t *testing.T) {
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -518,16 +558,22 @@ func TestFileStorage_DecodeFile(t *testing.T) {
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
 	}
-	_, path := storage.keyPath("my-key")
+	_, path, _ := storage.keyPath("my-key")
 	t.Log(path)
 }
 
 func TestFileStorage_RemoveCacheFile(t *testing.T) {
 	var storage = NewFileStorage(nil)
+
+	defer storage.Stop()
+
 	t.Log(storage.removeCacheFile("/Users/WorkSpace/EdgeProject/EdgeCache/p43/15/7e/157eba0dfc6dfb6fbbf20b1f9e584674.cache"))
 }
 
@@ -536,13 +582,16 @@ func BenchmarkFileStorage_Read(b *testing.B) {
 
 	_ = utils.SetRLimit(1024 * 1024)
 
-	storage := NewFileStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewFileStorage(&serverconfigs.HTTPCachePolicy{
 		Id:   1,
 		IsOn: true,
 		Options: map[string]interface{}{
 			"dir": Tea.Root + "/caches",
 		},
 	})
+
+	defer storage.Stop()
+
 	err := storage.Init()
 	if err != nil {
 		b.Fatal(err)
@@ -569,6 +618,6 @@ func BenchmarkFileStorage_KeyPath(b *testing.B) {
 	}
 
 	for i := 0; i < b.N; i++ {
-		_, _ = storage.keyPath(strconv.Itoa(i))
+		_, _, _ = storage.keyPath(strconv.Itoa(i))
 	}
 }

internal/caches/storage_interface.go

@@ -14,10 +14,10 @@ type StorageInterface interface {
 
 	// OpenWriter 打开缓存写入器等待写入
 	// size 和 maxSize 可能为-1
-	OpenWriter(key string, expiresAt int64, status int, size int64, maxSize int64, isPartial bool) (Writer, error)
+	OpenWriter(key string, expiresAt int64, status int, headerSize int, bodySize int64, maxSize int64, isPartial bool) (Writer, error)
 
 	// OpenFlushWriter 打开从其他媒介直接刷入的写入器
-	OpenFlushWriter(key string, expiresAt int64, status int) (Writer, error)
+	OpenFlushWriter(key string, expiresAt int64, status int, headerSize int, bodySize int64) (Writer, error)
 
 	// Delete 删除某个键值对应的缓存
 	Delete(key string) error
@@ -35,6 +35,7 @@ type StorageInterface interface {
 	CleanAll() error
 
 	// Purge 批量删除缓存
+	// urlType 值为file|dir
 	Purge(keys []string, urlType string) error
 
 	// Stop 停止缓存策略
@@ -53,7 +54,7 @@ type StorageInterface interface {
 	AddToList(item *Item)
 
 	// IgnoreKey 忽略某个Key，即不缓存某个Key
-	IgnoreKey(key string)
+	IgnoreKey(key string, maxSize int64)
 
 	// CanSendfile 是否支持Sendfile
 	CanSendfile() bool

internal/caches/storage_memory.go

@@ -1,12 +1,12 @@
 package caches
 
 import (
-	"fmt"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/trackers"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/fasttime"
 	setutils "github.com/TeaOSLab/EdgeNode/internal/utils/sets"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/sizes"
 	"github.com/TeaOSLab/EdgeNode/internal/zero"
@@ -17,6 +17,7 @@ import (
 	"math"
 	"runtime"
 	"strconv"
+	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -32,7 +33,7 @@ type MemoryItem struct {
 }
 
 func (this *MemoryItem) IsExpired() bool {
-	return this.ExpiresAt < utils.UnixTime()
+	return this.ExpiresAt < fasttime.Now().Unix()
 }
 
 type MemoryStorage struct {
@@ -95,7 +96,8 @@ func (this *MemoryStorage) Init() error {
 	// 启动定时Flush memory to disk任务
 	if this.parentStorage != nil {
 		// TODO 应该根据磁盘性能决定线程数
-		var threads = 1
+		// TODO 线程数应该可以在缓存策略和节点中设定
+		var threads = runtime.NumCPU()
 
 		for i := 0; i < threads; i++ {
 			goman.New(func() {
@@ -109,8 +111,15 @@ func (this *MemoryStorage) Init() error {
 
 // OpenReader 读取缓存
 func (this *MemoryStorage) OpenReader(key string, useStale bool, isPartial bool) (Reader, error) {
-	hash := this.hash(key)
+	var hash = this.hash(key)
 
+	// check if exists in list
+	exists, _ := this.list.Exist(types.String(hash))
+	if !exists {
+		return nil, ErrNotFound
+	}
+
+	// read from valuesMap
 	this.locker.RLock()
 	item := this.valuesMap[hash]
 	if item == nil || !item.IsDone {
@@ -118,8 +127,8 @@ func (this *MemoryStorage) OpenReader(key string, useStale bool, isPartial bool)
 		return nil, ErrNotFound
 	}
 
-	if useStale || (item.ExpiresAt > utils.UnixTime()) {
-		reader := NewMemoryReader(item)
+	if useStale || (item.ExpiresAt > fasttime.Now().Unix()) {
+		var reader = NewMemoryReader(item)
 		err := reader.Init()
 		if err != nil {
 			this.locker.RUnlock()
@@ -148,8 +157,8 @@ func (this *MemoryStorage) OpenReader(key string, useStale bool, isPartial bool)
 }
 
 // OpenWriter 打开缓存写入器等待写入
-func (this *MemoryStorage) OpenWriter(key string, expiredAt int64, status int, size int64, maxSize int64, isPartial bool) (Writer, error) {
-	if this.ignoreKeys.Has(key) {
+func (this *MemoryStorage) OpenWriter(key string, expiredAt int64, status int, headerSize int, bodySize int64, maxSize int64, isPartial bool) (Writer, error) {
+	if maxSize > 0 && this.ignoreKeys.Has(types.String(maxSize)+"$"+key) {
 		return nil, ErrEntityTooLarge
 	}
 
@@ -157,15 +166,15 @@ func (this *MemoryStorage) OpenWriter(key string, expiredAt int64, status int, s
 	if isPartial {
 		return nil, ErrFileIsWriting
 	}
-	return this.openWriter(key, expiredAt, status, size, maxSize, true)
+	return this.openWriter(key, expiredAt, status, headerSize, bodySize, maxSize, true)
 }
 
 // OpenFlushWriter 打开从其他媒介直接刷入的写入器
-func (this *MemoryStorage) OpenFlushWriter(key string, expiresAt int64, status int) (Writer, error) {
-	return this.openWriter(key, expiresAt, status, -1, -1, true)
+func (this *MemoryStorage) OpenFlushWriter(key string, expiresAt int64, status int, headerSize int, bodySize int64) (Writer, error) {
+	return this.openWriter(key, expiresAt, status, headerSize, bodySize, -1, true)
 }
 
-func (this *MemoryStorage) openWriter(key string, expiresAt int64, status int, size int64, maxSize int64, isDirty bool) (Writer, error) {
+func (this *MemoryStorage) openWriter(key string, expiresAt int64, status int, headerSize int, bodySize int64, maxSize int64, isDirty bool) (Writer, error) {
 	// 待写入队列是否已满
 	if isDirty &&
 		this.parentStorage != nil &&
@@ -191,30 +200,32 @@ func (this *MemoryStorage) openWriter(key string, expiresAt int64, status int, s
 	}()
 
 	// 检查是否过期
-	hash := this.hash(key)
+	var hash = this.hash(key)
 	item, ok := this.valuesMap[hash]
 	if ok && !item.IsExpired() {
-		return nil, ErrFileIsWriting
+		var hashString = types.String(hash)
+		exists, _ := this.list.Exist(hashString)
+		if !exists {
+			// remove from values map
+			delete(this.valuesMap, hash)
+			_ = this.list.Remove(hashString)
+			item = nil
+		} else {
+			return nil, ErrFileIsWriting
+		}
 	}
 
 	// 检查是否超出最大值
-	totalKeys, err := this.list.Count()
-	if err != nil {
-		return nil, err
-	}
-	if this.policy.MaxKeys > 0 && totalKeys > this.policy.MaxKeys {
-		return nil, NewCapacityError("write memory cache failed: too many keys in cache storage")
-	}
 	capacityBytes := this.memoryCapacityBytes()
-	if size < 0 {
-		size = 0
+	if bodySize < 0 {
+		bodySize = 0
 	}
-	if capacityBytes > 0 && capacityBytes <= this.totalSize+size {
+	if capacityBytes > 0 && capacityBytes <= this.totalSize+bodySize {
 		return nil, NewCapacityError("write memory cache failed: over memory size: " + strconv.FormatInt(capacityBytes, 10) + ", current size: " + strconv.FormatInt(this.totalSize, 10) + " bytes")
 	}
 
 	// 先删除
-	err = this.deleteWithoutLocker(key)
+	err := this.deleteWithoutLocker(key)
 	if err != nil {
 		return nil, err
 	}
@@ -229,10 +240,10 @@ func (this *MemoryStorage) openWriter(key string, expiresAt int64, status int, s
 
 // Delete 删除某个键值对应的缓存
 func (this *MemoryStorage) Delete(key string) error {
-	hash := this.hash(key)
+	var hash = this.hash(key)
 	this.locker.Lock()
 	delete(this.valuesMap, hash)
-	_ = this.list.Remove(fmt.Sprintf("%d", hash))
+	_ = this.list.Remove(types.String(hash))
 	this.locker.Unlock()
 	return nil
 }
@@ -262,14 +273,42 @@ func (this *MemoryStorage) Purge(keys []string, urlType string) error {
 	// 目录
 	if urlType == "dir" {
 		for _, key := range keys {
+			// 检查是否有通配符 http(s)://*.example.com
+			var schemeIndex = strings.Index(key, "://")
+			if schemeIndex > 0 {
+				var keyRight = key[schemeIndex+3:]
+				if strings.HasPrefix(keyRight, "*.") {
+					err := this.list.CleanMatchPrefix(key)
+					if err != nil {
+						return err
+					}
+					continue
+				}
+			}
+
 			err := this.list.CleanPrefix(key)
 			if err != nil {
 				return err
 			}
 		}
+		return nil
 	}
 
+	// URL
 	for _, key := range keys {
+		// 检查是否有通配符 http(s)://*.example.com
+		var schemeIndex = strings.Index(key, "://")
+		if schemeIndex > 0 {
+			var keyRight = key[schemeIndex+3:]
+			if strings.HasPrefix(keyRight, "*.") {
+				err := this.list.CleanMatchKey(key)
+				if err != nil {
+					return err
+				}
+				continue
+			}
+		}
+
 		err := this.Delete(key)
 		if err != nil {
 			return err
@@ -323,6 +362,9 @@ func (this *MemoryStorage) UpdatePolicy(newPolicy *serverconfigs.HTTPCachePolicy
 	if newPolicy.CapacityBytes() == 0 {
 		_ = this.CleanAll()
 	}
+
+	// reset ignored keys
+	this.ignoreKeys.Reset()
 }
 
 // CanUpdatePolicy 检查策略是否可以更新
@@ -333,7 +375,12 @@ func (this *MemoryStorage) CanUpdatePolicy(newPolicy *serverconfigs.HTTPCachePol
 // AddToList 将缓存添加到列表
 func (this *MemoryStorage) AddToList(item *Item) {
 	item.MetaSize = int64(len(item.Key)) + 128 /** 128是我们评估的数据结构的长度 **/
-	hash := fmt.Sprintf("%d", this.hash(item.Key))
+	var hash = types.String(this.hash(item.Key))
+
+	if len(item.Host) == 0 {
+		item.Host = ParseHost(item.Key)
+	}
+
 	_ = this.list.Add(hash, item)
 }
 
@@ -348,8 +395,8 @@ func (this *MemoryStorage) TotalMemorySize() int64 {
 }
 
 // IgnoreKey 忽略某个Key，即不缓存某个Key
-func (this *MemoryStorage) IgnoreKey(key string) {
-	this.ignoreKeys.Push(key)
+func (this *MemoryStorage) IgnoreKey(key string, maxSize int64) {
+	this.ignoreKeys.Push(types.String(maxSize) + "$" + key)
 }
 
 // CanSendfile 是否支持Sendfile
@@ -430,27 +477,29 @@ func (this *MemoryStorage) startFlush() {
 	var statCount = 0
 	var writeDelayMS float64 = 0
 
-	for hash := range this.dirtyChan {
+	for key := range this.dirtyChan {
 		statCount++
 
 		if statCount == 100 {
 			statCount = 0
 
-			loadStat, err := load.Avg()
-			if err == nil && loadStat != nil {
-				if loadStat.Load1 > 10 {
-					writeDelayMS = 100
-				} else if loadStat.Load1 > 3 {
-					writeDelayMS = 50
-				} else if loadStat.Load1 > 2 {
-					writeDelayMS = 10
-				} else {
-					writeDelayMS = 0
+			if protectingLoadWhenDump {
+				loadStat, err := load.Avg()
+				if err == nil && loadStat != nil {
+					if loadStat.Load1 > 10 {
+						writeDelayMS = 100
+					} else if loadStat.Load1 > 3 {
+						writeDelayMS = 50
+					} else if loadStat.Load1 > 2 {
+						writeDelayMS = 10
+					} else {
+						writeDelayMS = 0
+					}
 				}
 			}
 		}
 
-		this.flushItem(hash)
+		this.flushItem(key)
 
 		if writeDelayMS > 0 {
 			time.Sleep(time.Duration(writeDelayMS) * time.Millisecond)
@@ -472,11 +521,15 @@ func (this *MemoryStorage) flushItem(key string) {
 	if !ok {
 		return
 	}
-	if !item.IsDone || item.IsExpired() {
+	if !item.IsDone {
+		remotelogs.Error("CACHE", "flush items failed: open writer failed: item has not been done")
+		return
+	}
+	if item.IsExpired() {
 		return
 	}
 
-	writer, err := this.parentStorage.OpenFlushWriter(key, item.ExpiresAt, item.Status)
+	writer, err := this.parentStorage.OpenFlushWriter(key, item.ExpiresAt, item.Status, len(item.HeaderValue), int64(len(item.BodyValue)))
 	if err != nil {
 		if !CanIgnoreErr(err) {
 			remotelogs.Error("CACHE", "flush items failed: open writer failed: "+err.Error())
@@ -508,6 +561,7 @@ func (this *MemoryStorage) flushItem(key string) {
 	this.parentStorage.AddToList(&Item{
 		Type:       writer.ItemType(),
 		Key:        key,
+		Host:       ParseHost(key),
 		ExpiredAt:  item.ExpiresAt,
 		HeaderSize: writer.HeaderSize(),
 		BodySize:   writer.BodySize(),
@@ -515,8 +569,6 @@ func (this *MemoryStorage) flushItem(key string) {
 
 	// 从内存中移除
 	_ = this.Delete(key)
-
-	return
 }
 
 func (this *MemoryStorage) memoryCapacityBytes() int64 {
@@ -539,7 +591,7 @@ func (this *MemoryStorage) memoryCapacityBytes() int64 {
 func (this *MemoryStorage) deleteWithoutLocker(key string) error {
 	hash := this.hash(key)
 	delete(this.valuesMap, hash)
-	_ = this.list.Remove(fmt.Sprintf("%d", hash))
+	_ = this.list.Remove(types.String(hash))
 	return nil
 }
 

internal/caches/storage_memory_test.go

@@ -8,20 +8,28 @@ import (
 	"runtime"
 	"runtime/debug"
 	"strconv"
+	"sync"
 	"testing"
 	"time"
 )
 
 func TestMemoryStorage_OpenWriter(t *testing.T) {
-	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
+	var storage = NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
 
-	writer, err := storage.OpenWriter("abc", time.Now().Unix()+60, 200, -1, -1, false)
+	writer, err := storage.OpenWriter("abc", time.Now().Unix()+60, 200, -1, -1, -1, false)
+	if err != nil {
+		t.Fatal(err)
+	}
 	if err != nil {
 		t.Fatal(err)
 	}
 	_, _ = writer.WriteHeader([]byte("Header"))
 	_, _ = writer.Write([]byte("Hello"))
 	_, _ = writer.Write([]byte(", World"))
+	err = writer.Close()
+	if err != nil {
+		t.Fatal(err)
+	}
 	t.Log(storage.valuesMap)
 
 	{
@@ -29,6 +37,7 @@ func TestMemoryStorage_OpenWriter(t *testing.T) {
 		if err != nil {
 			if err == ErrNotFound {
 				t.Log("not found: abc")
+				return
 			} else {
 				t.Fatal(err)
 			}
@@ -62,7 +71,7 @@ func TestMemoryStorage_OpenWriter(t *testing.T) {
 		}
 	}
 
-	writer, err = storage.OpenWriter("abc", time.Now().Unix()+60, 200, -1, -1, false)
+	writer, err = storage.OpenWriter("abc", time.Now().Unix()+60, 200, -1, -1, -1, false)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -101,21 +110,29 @@ func TestMemoryStorage_OpenReaderLock(t *testing.T) {
 }
 
 func TestMemoryStorage_Delete(t *testing.T) {
-	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
+	var storage = NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
 	{
-		writer, err := storage.OpenWriter("abc", time.Now().Unix()+60, 200, -1, -1, false)
+		writer, err := storage.OpenWriter("abc", time.Now().Unix()+60, 200, -1, -1, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
 		_, _ = writer.Write([]byte("Hello"))
+		err = writer.Close()
+		if err != nil {
+			t.Fatal(err)
+		}
 		t.Log(len(storage.valuesMap))
 	}
 	{
-		writer, err := storage.OpenWriter("abc1", time.Now().Unix()+60, 200, -1, -1, false)
+		writer, err := storage.OpenWriter("abc1", time.Now().Unix()+60, 200, -1, -1, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
 		_, _ = writer.Write([]byte("Hello"))
+		err = writer.Close()
+		if err != nil {
+			t.Fatal(err)
+		}
 		t.Log(len(storage.valuesMap))
 	}
 	_ = storage.Delete("abc1")
@@ -123,14 +140,18 @@ func TestMemoryStorage_Delete(t *testing.T) {
 }
 
 func TestMemoryStorage_Stat(t *testing.T) {
-	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
+	var storage = NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
 	expiredAt := time.Now().Unix() + 60
 	{
-		writer, err := storage.OpenWriter("abc", expiredAt, 200, -1, -1, false)
+		writer, err := storage.OpenWriter("abc", expiredAt, 200, -1, -1, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
 		_, _ = writer.Write([]byte("Hello"))
+		err = writer.Close()
+		if err != nil {
+			t.Fatal(err)
+		}
 		t.Log(len(storage.valuesMap))
 		storage.AddToList(&Item{
 			Key:       "abc",
@@ -139,11 +160,15 @@ func TestMemoryStorage_Stat(t *testing.T) {
 		})
 	}
 	{
-		writer, err := storage.OpenWriter("abc1", expiredAt, 200, -1, -1, false)
+		writer, err := storage.OpenWriter("abc1", expiredAt, 200, -1, -1, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
 		_, _ = writer.Write([]byte("Hello"))
+		err = writer.Close()
+		if err != nil {
+			t.Fatal(err)
+		}
 		t.Log(len(storage.valuesMap))
 		storage.AddToList(&Item{
 			Key:       "abc1",
@@ -160,14 +185,18 @@ func TestMemoryStorage_Stat(t *testing.T) {
 }
 
 func TestMemoryStorage_CleanAll(t *testing.T) {
-	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
-	expiredAt := time.Now().Unix() + 60
+	var storage = NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
+	var expiredAt = time.Now().Unix() + 60
 	{
-		writer, err := storage.OpenWriter("abc", expiredAt, 200, -1, -1, false)
+		writer, err := storage.OpenWriter("abc", expiredAt, 200, -1, -1, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
 		_, _ = writer.Write([]byte("Hello"))
+		err = writer.Close()
+		if err != nil {
+			t.Fatal(err)
+		}
 		storage.AddToList(&Item{
 			Key:       "abc",
 			BodySize:  5,
@@ -175,11 +204,15 @@ func TestMemoryStorage_CleanAll(t *testing.T) {
 		})
 	}
 	{
-		writer, err := storage.OpenWriter("abc1", expiredAt, 200, -1, -1, false)
+		writer, err := storage.OpenWriter("abc1", expiredAt, 200, -1, -1, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
 		_, _ = writer.Write([]byte("Hello"))
+		err = writer.Close()
+		if err != nil {
+			t.Fatal(err)
+		}
 		storage.AddToList(&Item{
 			Key:       "abc1",
 			BodySize:  5,
@@ -198,11 +231,15 @@ func TestMemoryStorage_Purge(t *testing.T) {
 	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
 	expiredAt := time.Now().Unix() + 60
 	{
-		writer, err := storage.OpenWriter("abc", expiredAt, 200, -1, -1, false)
+		writer, err := storage.OpenWriter("abc", expiredAt, 200, -1, -1, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
 		_, _ = writer.Write([]byte("Hello"))
+		err = writer.Close()
+		if err != nil {
+			t.Fatal(err)
+		}
 		storage.AddToList(&Item{
 			Key:       "abc",
 			BodySize:  5,
@@ -210,11 +247,15 @@ func TestMemoryStorage_Purge(t *testing.T) {
 		})
 	}
 	{
-		writer, err := storage.OpenWriter("abc1", expiredAt, 200, -1, -1, false)
+		writer, err := storage.OpenWriter("abc1", expiredAt, 200, -1, -1, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
 		_, _ = writer.Write([]byte("Hello"))
+		err = writer.Close()
+		if err != nil {
+			t.Fatal(err)
+		}
 		storage.AddToList(&Item{
 			Key:       "abc1",
 			BodySize:  5,
@@ -230,7 +271,7 @@ func TestMemoryStorage_Purge(t *testing.T) {
 }
 
 func TestMemoryStorage_Expire(t *testing.T) {
-	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{
+	var storage = NewMemoryStorage(&serverconfigs.HTTPCachePolicy{
 		MemoryAutoPurgeInterval: 5,
 	}, nil)
 	err := storage.Init()
@@ -241,11 +282,15 @@ func TestMemoryStorage_Expire(t *testing.T) {
 	for i := 0; i < 1000; i++ {
 		expiredAt := time.Now().Unix() + int64(rands.Int(0, 60))
 		key := "abc" + strconv.Itoa(i)
-		writer, err := storage.OpenWriter(key, expiredAt, 200, -1, -1, false)
+		writer, err := storage.OpenWriter(key, expiredAt, 200, -1, -1, -1, false)
 		if err != nil {
 			t.Fatal(err)
 		}
 		_, _ = writer.Write([]byte("Hello"))
+		err = writer.Close()
+		if err != nil {
+			t.Fatal(err)
+		}
 		storage.AddToList(&Item{
 			Key:       key,
 			BodySize:  5,
@@ -256,7 +301,7 @@ func TestMemoryStorage_Expire(t *testing.T) {
 }
 
 func TestMemoryStorage_Locker(t *testing.T) {
-	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
+	var storage = NewMemoryStorage(&serverconfigs.HTTPCachePolicy{}, nil)
 	err := storage.Init()
 	if err != nil {
 		t.Fatal(err)
@@ -304,3 +349,30 @@ func TestMemoryStorage_Stop(t *testing.T) {
 
 	t.Log(len(m))
 }
+
+func BenchmarkValuesMap(b *testing.B) {
+	var m = map[uint64]*MemoryItem{}
+	var count = 1_000_000
+	for i := 0; i < count; i++ {
+		m[uint64(i)] = &MemoryItem{
+			ExpiresAt: time.Now().Unix(),
+		}
+	}
+	b.Log(len(m))
+
+	var locker = sync.Mutex{}
+	b.ResetTimer()
+
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			locker.Lock()
+			_, ok := m[uint64(rands.Int(0, 1_000_000))]
+			_ = ok
+			locker.Unlock()
+
+			locker.Lock()
+			delete(m, uint64(rands.Int(2, 1000000)))
+			locker.Unlock()
+		}
+	})
+}

internal/caches/utils.go

@@ -0,0 +1,30 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package caches
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/configutils"
+	"net"
+	"strings"
+)
+
+func ParseHost(key string) string {
+	var schemeIndex = strings.Index(key, "://")
+	if schemeIndex <= 0 {
+		return ""
+	}
+
+	var firstSlashIndex = strings.Index(key[schemeIndex+3:], "/")
+	if firstSlashIndex <= 0 {
+		return ""
+	}
+
+	var host = key[schemeIndex+3 : schemeIndex+3+firstSlashIndex]
+
+	hostPart, _, err := net.SplitHostPort(host)
+	if err == nil && len(hostPart) > 0 {
+		host = configutils.QuoteIP(hostPart)
+	}
+
+	return host
+}

internal/caches/utils_test.go

@@ -0,0 +1,51 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package caches_test
+
+import (
+	"fmt"
+	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"github.com/cespare/xxhash"
+	"github.com/iwind/TeaGo/types"
+	"strconv"
+	"testing"
+)
+
+func TestParseHost(t *testing.T) {
+	for _, u := range []string{
+		"https://goedge.cn/hello/world",
+		"https://goedge.cn:8080/hello/world",
+		"https://goedge.cn/hello/world?v=1&t=123",
+		"https://[::1]:1234/hello/world?v=1&t=123",
+		"https://[::1]/hello/world?v=1&t=123",
+		"https://127.0.0.1/hello/world?v=1&t=123",
+		"https:/hello/world?v=1&t=123",
+		"123456",
+	} {
+		t.Log(u, "=>", caches.ParseHost(u))
+	}
+}
+
+func TestUintString(t *testing.T) {
+	t.Log(strconv.FormatUint(xxhash.Sum64String("https://goedge.cn/"), 10))
+	t.Log(strconv.FormatUint(123456789, 10))
+	t.Log(fmt.Sprintf("%d", 1234567890123))
+}
+
+func BenchmarkUint_String(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		_ = strconv.FormatUint(1234567890123, 10)
+	}
+}
+
+func BenchmarkUint_String2(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		_ = types.String(1234567890123)
+	}
+}
+
+func BenchmarkUint_String3(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		_ = fmt.Sprintf("%d", 1234567890123)
+	}
+}

internal/caches/writer_file.go

@@ -11,25 +11,32 @@ import (
 )
 
 type FileWriter struct {
-	storage    StorageInterface
-	rawWriter  *os.File
-	key        string
-	headerSize int64
-	bodySize   int64
-	expiredAt  int64
-	maxSize    int64
-	endFunc    func()
-	once       sync.Once
+	storage   StorageInterface
+	rawWriter *os.File
+	key       string
+
+	metaHeaderSize int
+	headerSize     int64
+
+	metaBodySize int64 // 写入前的内容长度
+	bodySize     int64
+
+	expiredAt int64
+	maxSize   int64
+	endFunc   func()
+	once      sync.Once
 }
 
-func NewFileWriter(storage StorageInterface, rawWriter *os.File, key string, expiredAt int64, maxSize int64, endFunc func()) *FileWriter {
+func NewFileWriter(storage StorageInterface, rawWriter *os.File, key string, expiredAt int64, metaHeaderSize int, metaBodySize int64, maxSize int64, endFunc func()) *FileWriter {
 	return &FileWriter{
-		storage:   storage,
-		key:       key,
-		rawWriter: rawWriter,
-		expiredAt: expiredAt,
-		maxSize:   maxSize,
-		endFunc:   endFunc,
+		storage:        storage,
+		key:            key,
+		rawWriter:      rawWriter,
+		expiredAt:      expiredAt,
+		maxSize:        maxSize,
+		endFunc:        endFunc,
+		metaHeaderSize: metaHeaderSize,
+		metaBodySize:   metaBodySize,
 	}
 }
 
@@ -45,7 +52,10 @@ func (this *FileWriter) WriteHeader(data []byte) (n int, err error) {
 
 // WriteHeaderLength 写入Header长度数据
 func (this *FileWriter) WriteHeaderLength(headerLength int) error {
-	bytes4 := make([]byte, 4)
+	if this.metaHeaderSize > 0 && this.metaHeaderSize == headerLength {
+		return nil
+	}
+	var bytes4 = make([]byte, 4)
 	binary.BigEndian.PutUint32(bytes4, uint32(headerLength))
 	_, err := this.rawWriter.Seek(SizeExpiresAt+SizeStatus+SizeURLLength, io.SeekStart)
 	if err != nil {
@@ -69,7 +79,7 @@ func (this *FileWriter) Write(data []byte) (n int, err error) {
 		err = ErrEntityTooLarge
 
 		if this.storage != nil {
-			this.storage.IgnoreKey(this.key)
+			this.storage.IgnoreKey(this.key, this.maxSize)
 		}
 	}
 
@@ -88,7 +98,10 @@ func (this *FileWriter) WriteAt(offset int64, data []byte) error {
 
 // WriteBodyLength 写入Body长度数据
 func (this *FileWriter) WriteBodyLength(bodyLength int64) error {
-	bytes8 := make([]byte, 8)
+	if this.metaBodySize >= 0 && bodyLength == this.metaBodySize {
+		return nil
+	}
+	var bytes8 = make([]byte, 8)
 	binary.BigEndian.PutUint64(bytes8, uint64(bodyLength))
 	_, err := this.rawWriter.Seek(SizeExpiresAt+SizeStatus+SizeURLLength+SizeHeaderLength, io.SeekStart)
 	if err != nil {
@@ -109,7 +122,7 @@ func (this *FileWriter) Close() error {
 		this.endFunc()
 	})
 
-	path := this.rawWriter.Name()
+	var path = this.rawWriter.Name()
 
 	err := this.WriteHeaderLength(types.Int(this.headerSize))
 	if err != nil {

internal/caches/writer_memory.go

@@ -59,7 +59,7 @@ func (this *MemoryWriter) Write(data []byte) (n int, err error) {
 	// 检查尺寸
 	if this.maxSize > 0 && this.bodySize > this.maxSize {
 		err = ErrEntityTooLarge
-		this.storage.IgnoreKey(this.key)
+		this.storage.IgnoreKey(this.key, this.maxSize)
 		return len(data), err
 	}
 

internal/caches/writer_partial_file.go

@@ -11,13 +11,18 @@ import (
 )
 
 type PartialFileWriter struct {
-	rawWriter  *os.File
-	key        string
-	headerSize int64
-	bodySize   int64
-	expiredAt  int64
-	endFunc    func()
-	once       sync.Once
+	rawWriter *os.File
+	key       string
+
+	metaHeaderSize int
+	headerSize     int64
+
+	metaBodySize int64
+	bodySize     int64
+
+	expiredAt int64
+	endFunc   func()
+	once      sync.Once
 
 	isNew      bool
 	isPartial  bool
@@ -27,17 +32,19 @@ type PartialFileWriter struct {
 	rangePath string
 }
 
-func NewPartialFileWriter(rawWriter *os.File, key string, expiredAt int64, isNew bool, isPartial bool, bodyOffset int64, ranges *PartialRanges, endFunc func()) *PartialFileWriter {
+func NewPartialFileWriter(rawWriter *os.File, key string, expiredAt int64, metaHeaderSize int, metaBodySize int64, isNew bool, isPartial bool, bodyOffset int64, ranges *PartialRanges, endFunc func()) *PartialFileWriter {
 	return &PartialFileWriter{
-		key:        key,
-		rawWriter:  rawWriter,
-		expiredAt:  expiredAt,
-		endFunc:    endFunc,
-		isNew:      isNew,
-		isPartial:  isPartial,
-		bodyOffset: bodyOffset,
-		ranges:     ranges,
-		rangePath:  partialRangesFilePath(rawWriter.Name()),
+		key:            key,
+		rawWriter:      rawWriter,
+		expiredAt:      expiredAt,
+		endFunc:        endFunc,
+		isNew:          isNew,
+		isPartial:      isPartial,
+		bodyOffset:     bodyOffset,
+		ranges:         ranges,
+		rangePath:      partialRangesFilePath(rawWriter.Name()),
+		metaHeaderSize: metaHeaderSize,
+		metaBodySize:   metaBodySize,
 	}
 }
 
@@ -71,7 +78,11 @@ func (this *PartialFileWriter) AppendHeader(data []byte) error {
 
 // WriteHeaderLength 写入Header长度数据
 func (this *PartialFileWriter) WriteHeaderLength(headerLength int) error {
-	bytes4 := make([]byte, 4)
+	if this.metaHeaderSize > 0 && this.metaHeaderSize == headerLength {
+		return nil
+	}
+
+	var bytes4 = make([]byte, 4)
 	binary.BigEndian.PutUint32(bytes4, uint32(headerLength))
 	_, err := this.rawWriter.Seek(SizeExpiresAt+SizeStatus+SizeURLLength, io.SeekStart)
 	if err != nil {
@@ -110,8 +121,13 @@ func (this *PartialFileWriter) WriteAt(offset int64, data []byte) error {
 	}
 
 	if this.bodyOffset == 0 {
-		this.bodyOffset = SizeMeta + int64(len(this.key)) + this.headerSize
+		var keyLength = 0
+		if this.ranges.Version == 0 { // 以往的版本包含有Key
+			keyLength = len(this.key)
+		}
+		this.bodyOffset = SizeMeta + int64(keyLength) + this.headerSize
 	}
+
 	_, err := this.rawWriter.WriteAt(data, this.bodyOffset+offset)
 	if err != nil {
 		return err
@@ -129,7 +145,10 @@ func (this *PartialFileWriter) SetBodyLength(bodyLength int64) {
 
 // WriteBodyLength 写入Body长度数据
 func (this *PartialFileWriter) WriteBodyLength(bodyLength int64) error {
-	bytes8 := make([]byte, 8)
+	if this.metaBodySize > 0 && this.metaBodySize == bodyLength {
+		return nil
+	}
+	var bytes8 = make([]byte, 8)
 	binary.BigEndian.PutUint64(bytes8, uint64(bodyLength))
 	_, err := this.rawWriter.Seek(SizeExpiresAt+SizeStatus+SizeURLLength+SizeHeaderLength, io.SeekStart)
 	if err != nil {
@@ -150,8 +169,11 @@ func (this *PartialFileWriter) Close() error {
 		this.endFunc()
 	})
 
+	this.ranges.BodySize = this.bodySize
 	err := this.ranges.WriteToFile(this.rangePath)
 	if err != nil {
+		_ = this.rawWriter.Close()
+		this.remove()
 		return err
 	}
 

internal/caches/writer_partial_file_test.go

@@ -5,7 +5,6 @@ package caches_test
 import (
 	"github.com/TeaOSLab/EdgeNode/internal/caches"
 	"github.com/iwind/TeaGo/types"
-	"io/ioutil"
 	"os"
 	"testing"
 	"time"
@@ -16,7 +15,7 @@ func TestPartialFileWriter_Write(t *testing.T) {
 	_ = os.Remove(path)
 
 	var reader = func() {
-		data, err := ioutil.ReadFile(path)
+		data, err := os.ReadFile(path)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -27,8 +26,8 @@ func TestPartialFileWriter_Write(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	var ranges = caches.NewPartialRanges()
-	var writer = caches.NewPartialFileWriter(fp, "test", time.Now().Unix()+86500, true, true, 0, ranges, func() {
+	var ranges = caches.NewPartialRanges(0)
+	var writer = caches.NewPartialFileWriter(fp, "test", time.Now().Unix()+86500, -1, -1, true, true, 0, ranges, func() {
 		t.Log("end")
 	})
 	_, err = writer.WriteHeader([]byte("header"))

internal/compressions/reader_gzip.go

@@ -3,7 +3,7 @@
 package compressions
 
 import (
-	"compress/gzip"
+	"github.com/klauspost/compress/gzip"
 	"io"
 )
 

internal/compressions/reader_pool_brotli.go

@@ -3,6 +3,7 @@
 package compressions
 
 import (
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"io"
 )
@@ -10,6 +11,10 @@ import (
 var sharedBrotliReaderPool *ReaderPool
 
 func init() {
+	if !teaconst.IsMain {
+		return
+	}
+
 	var maxSize = utils.SystemMemoryGB() * 256
 	if maxSize == 0 {
 		maxSize = 256

internal/compressions/reader_pool_deflate.go

@@ -3,6 +3,7 @@
 package compressions
 
 import (
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"io"
 )
@@ -10,6 +11,10 @@ import (
 var sharedDeflateReaderPool *ReaderPool
 
 func init() {
+	if !teaconst.IsMain {
+		return
+	}
+
 	var maxSize = utils.SystemMemoryGB() * 256
 	if maxSize == 0 {
 		maxSize = 256

internal/compressions/reader_pool_gzip.go

@@ -3,6 +3,7 @@
 package compressions
 
 import (
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"io"
 )
@@ -10,6 +11,10 @@ import (
 var sharedGzipReaderPool *ReaderPool
 
 func init() {
+	if !teaconst.IsMain {
+		return
+	}
+
 	var maxSize = utils.SystemMemoryGB() * 256
 	if maxSize == 0 {
 		maxSize = 256

internal/compressions/reader_pool_zstd.go

@@ -0,0 +1,25 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package compressions
+
+import (
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"io"
+)
+
+var sharedZSTDReaderPool *ReaderPool
+
+func init() {
+	if !teaconst.IsMain {
+		return
+	}
+
+	var maxSize = utils.SystemMemoryGB() * 256
+	if maxSize == 0 {
+		maxSize = 256
+	}
+	sharedZSTDReaderPool = NewReaderPool(maxSize, func(reader io.Reader) (Reader, error) {
+		return newZSTDReader(reader)
+	})
+}

internal/compressions/reader_zstd.go

@@ -0,0 +1,45 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package compressions
+
+import (
+	"github.com/klauspost/compress/zstd"
+	"io"
+)
+
+type ZSTDReader struct {
+	BaseReader
+
+	reader *zstd.Decoder
+}
+
+func NewZSTDReader(reader io.Reader) (Reader, error) {
+	return sharedZSTDReaderPool.Get(reader)
+}
+
+func newZSTDReader(reader io.Reader) (Reader, error) {
+	r, err := zstd.NewReader(reader)
+	if err != nil {
+		return nil, err
+	}
+	return &ZSTDReader{
+		reader: r,
+	}, nil
+}
+
+func (this *ZSTDReader) Read(p []byte) (n int, err error) {
+	return this.reader.Read(p)
+}
+
+func (this *ZSTDReader) Reset(reader io.Reader) error {
+	return this.reader.Reset(reader)
+}
+
+func (this *ZSTDReader) RawClose() error {
+	this.reader.Close()
+	return nil
+}
+
+func (this *ZSTDReader) Close() error {
+	return this.Finish(this)
+}

internal/compressions/reader_zstd_test.go

@@ -0,0 +1,106 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package compressions_test
+
+import (
+	"bytes"
+	"github.com/TeaOSLab/EdgeNode/internal/compressions"
+	"github.com/iwind/TeaGo/rands"
+	"github.com/iwind/TeaGo/types"
+	"io"
+	"strings"
+	"testing"
+)
+
+func TestZSTDReader(t *testing.T) {
+	for _, testString := range []string{"Hello", "World", "Ni", "Hao"} {
+		t.Log("===", testString, "===")
+		var buf = &bytes.Buffer{}
+		writer, err := compressions.NewZSTDWriter(buf, 5)
+		if err != nil {
+			t.Fatal(err)
+		}
+		_, err = writer.Write([]byte(testString))
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = writer.Close()
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		reader, err := compressions.NewZSTDReader(buf)
+		if err != nil {
+			t.Fatal(err)
+		}
+		var data = make([]byte, 4096)
+		for {
+			n, err := reader.Read(data)
+			if n > 0 {
+				t.Log(string(data[:n]))
+			}
+			if err != nil {
+				if err == io.EOF {
+					break
+				}
+				t.Fatal(err)
+			}
+		}
+		err = reader.Close()
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkZSTDReader(b *testing.B) {
+	var randomData = func() []byte {
+		var b = strings.Builder{}
+		for i := 0; i < 1024; i++ {
+			b.WriteString(types.String(rands.Int64() % 10))
+		}
+		return []byte(b.String())
+	}
+
+	var buf = &bytes.Buffer{}
+	writer, err := compressions.NewZSTDWriter(buf, 5)
+	if err != nil {
+		b.Fatal(err)
+	}
+	_, err = writer.Write(randomData())
+	if err != nil {
+		b.Fatal(err)
+	}
+	err = writer.Close()
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		var newBytes = make([]byte, buf.Len())
+		copy(newBytes, buf.Bytes())
+		reader, err := compressions.NewZSTDReader(bytes.NewReader(newBytes))
+		if err != nil {
+			b.Fatal(err)
+		}
+		var data = make([]byte, 4096)
+		for {
+			n, err := reader.Read(data)
+			if n > 0 {
+				_ = data[:n]
+			}
+			if err != nil {
+				if err == io.EOF {
+					break
+				}
+				b.Fatal(err)
+			}
+		}
+		err = reader.Close()
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}

internal/compressions/utils.go

@@ -14,13 +14,19 @@ const (
 	ContentEncodingBr      ContentEncoding = "br"
 	ContentEncodingGzip    ContentEncoding = "gzip"
 	ContentEncodingDeflate ContentEncoding = "deflate"
+	ContentEncodingZSTD    ContentEncoding = "zstd"
 )
 
 var ErrNotSupportedContentEncoding = errors.New("not supported content encoding")
 
 // AllEncodings 当前支持的所有编码
 func AllEncodings() []ContentEncoding {
-	return []ContentEncoding{ContentEncodingBr, ContentEncodingGzip, ContentEncodingDeflate}
+	return []ContentEncoding{
+		ContentEncodingBr,
+		ContentEncodingGzip,
+		ContentEncodingZSTD,
+		ContentEncodingDeflate,
+	}
 }
 
 // NewReader 获取Reader
@@ -32,6 +38,8 @@ func NewReader(reader io.Reader, contentEncoding ContentEncoding) (Reader, error
 		return NewGzipReader(reader)
 	case ContentEncodingDeflate:
 		return NewDeflateReader(reader)
+	case ContentEncodingZSTD:
+		return NewZSTDReader(reader)
 	}
 	return nil, ErrNotSupportedContentEncoding
 }
@@ -45,6 +53,8 @@ func NewWriter(writer io.Writer, compressType serverconfigs.HTTPCompressionType,
 		return NewDeflateWriter(writer, level)
 	case serverconfigs.HTTPCompressionTypeBrotli:
 		return NewBrotliWriter(writer, level)
+	case serverconfigs.HTTPCompressionTypeZSTD:
+		return NewZSTDWriter(writer, level)
 	}
 	return nil, errors.New("invalid compression type '" + compressType + "'")
 }

internal/compressions/writer_brotli_test.go

@@ -5,10 +5,46 @@ package compressions_test
 import (
 	"bytes"
 	"github.com/TeaOSLab/EdgeNode/internal/compressions"
+	stringutil "github.com/iwind/TeaGo/utils/string"
 	"strings"
 	"testing"
+	"time"
 )
 
+func TestBrotliWriter_LargeFile(t *testing.T) {
+	var data = []byte{}
+	for i := 0; i < 1024*1024; i++ {
+		data = append(data, stringutil.Rand(32)...)
+	}
+	t.Log(len(data)/1024/1024, "M")
+
+	var before = time.Now()
+	defer func() {
+		t.Log(time.Since(before).Seconds()*1000, "ms")
+	}()
+
+	var buf = &bytes.Buffer{}
+	writer, err := compressions.NewBrotliWriter(buf, 5)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var offset = 0
+	var size = 4096
+	for offset < len(data) {
+		_, err = writer.Write(data[offset : offset+size])
+		if err != nil {
+			t.Fatal(err)
+		}
+		offset += size
+	}
+
+	err = writer.Close()
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
 func BenchmarkBrotliWriter_Write(b *testing.B) {
 	var data = []byte(strings.Repeat("A", 1024))
 

internal/compressions/writer_gzip.go

@@ -3,7 +3,7 @@
 package compressions
 
 import (
-	"compress/gzip"
+	"github.com/klauspost/compress/gzip"
 	"io"
 )
 

internal/compressions/writer_gzip_test.go

@@ -34,3 +34,31 @@ func BenchmarkGzipWriter_Write(b *testing.B) {
 		_ = writer.Close()
 	}
 }
+
+func BenchmarkGzipWriter_Write_Parallel(b *testing.B) {
+	var data = []byte(strings.Repeat("A", 1024))
+
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			var buf = &bytes.Buffer{}
+			writer, err := compressions.NewGzipWriter(buf, 5)
+			if err != nil {
+				b.Fatal(err)
+			}
+
+			for j := 0; j < 100; j++ {
+				_, err = writer.Write(data)
+				if err != nil {
+					b.Fatal(err)
+				}
+
+				/**err = writer.Flush()
+				if err != nil {
+					b.Fatal(err)
+				}**/
+			}
+
+			_ = writer.Close()
+		}
+	})
+}

internal/compressions/writer_pool_brotli.go

@@ -3,6 +3,7 @@
 package compressions
 
 import (
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/andybalholm/brotli"
 	"io"
@@ -11,6 +12,10 @@ import (
 var sharedBrotliWriterPool *WriterPool
 
 func init() {
+	if !teaconst.IsMain {
+		return
+	}
+
 	var maxSize = utils.SystemMemoryGB() * 256
 	if maxSize == 0 {
 		maxSize = 256

internal/compressions/writer_pool_deflate.go

@@ -4,6 +4,7 @@ package compressions
 
 import (
 	"compress/flate"
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"io"
 )
@@ -11,6 +12,10 @@ import (
 var sharedDeflateWriterPool *WriterPool
 
 func init() {
+	if !teaconst.IsMain {
+		return
+	}
+
 	var maxSize = utils.SystemMemoryGB() * 256
 	if maxSize == 0 {
 		maxSize = 256

internal/compressions/writer_pool_gzip.go

@@ -4,6 +4,7 @@ package compressions
 
 import (
 	"compress/gzip"
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"io"
 )
@@ -11,6 +12,10 @@ import (
 var sharedGzipWriterPool *WriterPool
 
 func init() {
+	if !teaconst.IsMain {
+		return
+	}
+
 	var maxSize = utils.SystemMemoryGB() * 256
 	if maxSize == 0 {
 		maxSize = 256

internal/compressions/writer_pool_zstd.go

@@ -0,0 +1,26 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package compressions
+
+import (
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/klauspost/compress/zstd"
+	"io"
+)
+
+var sharedZSTDWriterPool *WriterPool
+
+func init() {
+	if !teaconst.IsMain {
+		return
+	}
+
+	var maxSize = utils.SystemMemoryGB() * 256
+	if maxSize == 0 {
+		maxSize = 256
+	}
+	sharedZSTDWriterPool = NewWriterPool(maxSize, int(zstd.SpeedBestCompression), func(writer io.Writer, level int) (Writer, error) {
+		return newZSTDWriter(writer, level)
+	})
+}

internal/compressions/writer_zstd.go

@@ -0,0 +1,57 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package compressions
+
+import (
+	"github.com/klauspost/compress/zstd"
+	"io"
+)
+
+type ZSTDWriter struct {
+	BaseWriter
+
+	writer *zstd.Encoder
+	level  int
+}
+
+func NewZSTDWriter(writer io.Writer, level int) (Writer, error) {
+	return sharedZSTDWriterPool.Get(writer, level)
+}
+
+func newZSTDWriter(writer io.Writer, level int) (Writer, error) {
+	var zstdLevel = zstd.EncoderLevelFromZstd(level)
+
+	zstdWriter, err := zstd.NewWriter(writer, zstd.WithEncoderLevel(zstdLevel))
+	if err != nil {
+		return nil, err
+	}
+
+	return &ZSTDWriter{
+		writer: zstdWriter,
+		level:  level,
+	}, nil
+}
+
+func (this *ZSTDWriter) Write(p []byte) (int, error) {
+	return this.writer.Write(p)
+}
+
+func (this *ZSTDWriter) Flush() error {
+	return this.writer.Flush()
+}
+
+func (this *ZSTDWriter) Reset(writer io.Writer) {
+	this.writer.Reset(writer)
+}
+
+func (this *ZSTDWriter) RawClose() error {
+	return this.writer.Close()
+}
+
+func (this *ZSTDWriter) Close() error {
+	return this.Finish(this)
+}
+
+func (this *ZSTDWriter) Level() int {
+	return this.level
+}

internal/compressions/writer_zstd_test.go

@@ -0,0 +1,82 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package compressions_test
+
+import (
+	"bytes"
+	"github.com/TeaOSLab/EdgeNode/internal/compressions"
+	"strings"
+	"testing"
+)
+
+func TestNewZSTDWriter(t *testing.T) {
+	var buf = &bytes.Buffer{}
+	writer, err := compressions.NewZSTDWriter(buf, 10)
+	if err != nil {
+		t.Fatal(err)
+	}
+	var originData = []byte(strings.Repeat("Hello", 1024))
+	_, err = writer.Write(originData)
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = writer.Close()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("origin data:", len(originData), "result:", buf.Len())
+}
+
+func BenchmarkZSTDWriter_Write(b *testing.B) {
+	var data = []byte(strings.Repeat("A", 1024))
+
+	for i := 0; i < b.N; i++ {
+		var buf = &bytes.Buffer{}
+		writer, err := compressions.NewZSTDWriter(buf, 5)
+		if err != nil {
+			b.Fatal(err)
+		}
+
+		for j := 0; j < 100; j++ {
+			_, err = writer.Write(data)
+			if err != nil {
+				b.Fatal(err)
+			}
+
+			/**err = writer.Flush()
+			if err != nil {
+				b.Fatal(err)
+			}**/
+		}
+
+		_ = writer.Close()
+	}
+}
+
+func BenchmarkZSTDWriter_Write_Parallel(b *testing.B) {
+	var data = []byte(strings.Repeat("A", 1024))
+
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			var buf = &bytes.Buffer{}
+			writer, err := compressions.NewZSTDWriter(buf, 5)
+			if err != nil {
+				b.Fatal(err)
+			}
+
+			for j := 0; j < 100; j++ {
+				_, err = writer.Write(data)
+				if err != nil {
+					b.Fatal(err)
+				}
+
+				/**err = writer.Flush()
+				if err != nil {
+					b.Fatal(err)
+				}**/
+			}
+
+			_ = writer.Close()
+		}
+	})
+}

internal/configs/api_config.go

@@ -3,20 +3,25 @@ package configs
 import (
 	"github.com/iwind/TeaGo/Tea"
 	"gopkg.in/yaml.v3"
-	"io/ioutil"
+	"os"
 )
 
 // APIConfig 节点API配置
 type APIConfig struct {
 	RPC struct {
-		Endpoints []string `yaml:"endpoints"`
-	} `yaml:"rpc"`
-	NodeId string `yaml:"nodeId"`
-	Secret string `yaml:"secret"`
+		Endpoints     []string `yaml:"endpoints" json:"endpoints"`
+		DisableUpdate bool     `yaml:"disableUpdate" json:"disableUpdate"`
+	} `yaml:"rpc" json:"rpc"`
+	NodeId string `yaml:"nodeId" json:"nodeId"`
+	Secret string `yaml:"secret" json:"secret"`
+}
+
+func NewAPIConfig() *APIConfig {
+	return &APIConfig{}
 }
 
 func LoadAPIConfig() (*APIConfig, error) {
-	data, err := ioutil.ReadFile(Tea.ConfigFile("api.yaml"))
+	data, err := os.ReadFile(Tea.ConfigFile("api.yaml"))
 	if err != nil {
 		return nil, err
 	}
@@ -30,12 +35,12 @@ func LoadAPIConfig() (*APIConfig, error) {
 	return config, nil
 }
 
-// 保存到文件
+// WriteFile 保存到文件
 func (this *APIConfig) WriteFile(path string) error {
 	data, err := yaml.Marshal(this)
 	if err != nil {
 		return err
 	}
-	err = ioutil.WriteFile(path, data, 0666)
+	err = os.WriteFile(path, data, 0666)
 	return err
 }

internal/configs/api_config_test.go

@@ -1,11 +1,15 @@
-package configs
+package configs_test
 
-import "testing"
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/configs"
+	_ "github.com/iwind/TeaGo/bootstrap"
+	"testing"
+)
 
 func TestLoadAPIConfig(t *testing.T) {
-	config, err := LoadAPIConfig()
+	config, err := configs.LoadAPIConfig()
 	if err != nil {
 		t.Fatal(err)
 	}
-	t.Log(config)
+	t.Logf("%+v", config)
 }

internal/configs/cluster_config.go

@@ -1,10 +1,11 @@
 package configs
 
-// 集群配置
+// ClusterConfig 集群配置
 type ClusterConfig struct {
 	RPC struct {
-		Endpoints []string `yaml:"endpoints"`
-	} `yaml:"rpc"`
-	ClusterId string `yaml:"clusterId"`
-	Secret string `yaml:"secret"`
+		Endpoints     []string `yaml:"endpoints" json:"endpoints"`
+		DisableUpdate bool     `yaml:"disableUpdate" json:"disableUpdate"`
+	} `yaml:"rpc" json:"rpc"`
+	ClusterId string `yaml:"clusterId" json:"clusterId"`
+	Secret    string `yaml:"secret" json:"secret"`
 }

internal/configs/locker.go

@@ -1,5 +0,0 @@
-package configs
-
-import "sync"
-
-var sharedLocker = &sync.RWMutex{}

internal/conns/linger.go

@@ -0,0 +1,7 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package conns
+
+type LingerConn interface {
+	SetLinger(sec int) error
+}

internal/conns/map.go

@@ -0,0 +1,140 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package conns
+
+import (
+	"github.com/iwind/TeaGo/types"
+	"net"
+	"sync"
+)
+
+var SharedMap = NewMap()
+
+type Map struct {
+	m map[string]map[string]net.Conn // ip => { network_port => Conn  }
+
+	locker sync.RWMutex
+}
+
+func NewMap() *Map {
+	return &Map{
+		m: map[string]map[string]net.Conn{},
+	}
+}
+
+func (this *Map) Add(conn net.Conn) {
+	if conn == nil {
+		return
+	}
+
+	key, ip, ok := this.connAddr(conn)
+	if !ok {
+		return
+	}
+
+	this.locker.Lock()
+	defer this.locker.Unlock()
+	connMap, ok := this.m[ip]
+	if !ok {
+		this.m[ip] = map[string]net.Conn{key: conn}
+	} else {
+		connMap[key] = conn
+	}
+}
+
+func (this *Map) Remove(conn net.Conn) {
+	if conn == nil {
+		return
+	}
+	key, ip, ok := this.connAddr(conn)
+	if !ok {
+		return
+	}
+
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	connMap, ok := this.m[ip]
+	if !ok {
+		return
+	}
+	delete(connMap, key)
+
+	if len(connMap) == 0 {
+		delete(this.m, ip)
+	}
+}
+
+func (this *Map) CountIPConns(ip string) int {
+	this.locker.RLock()
+	var l = len(this.m[ip])
+	this.locker.RUnlock()
+	return l
+}
+
+func (this *Map) CloseIPConns(ip string) {
+	var conns = []net.Conn{}
+
+	this.locker.RLock()
+	connMap, ok := this.m[ip]
+
+	// 复制，防止在Close时产生并发冲突
+	if ok {
+		for _, conn := range connMap {
+			conns = append(conns, conn)
+		}
+	}
+
+	// 需要在Close之前结束，防止死循环
+	this.locker.RUnlock()
+
+	if ok {
+		for _, conn := range conns {
+			// 设置Linger
+			lingerConn, isLingerConn := conn.(LingerConn)
+			if isLingerConn {
+				_ = lingerConn.SetLinger(0)
+			}
+
+			// 关闭
+			_ = conn.Close()
+		}
+
+		// 这里不需要从 m 中删除，因为关闭时会自然触发回调
+	}
+}
+
+func (this *Map) AllConns() []net.Conn {
+	this.locker.RLock()
+	defer this.locker.RUnlock()
+
+	var result = []net.Conn{}
+	for _, m := range this.m {
+		for _, connInfo := range m {
+			result = append(result, connInfo)
+		}
+	}
+
+	return result
+}
+
+func (this *Map) connAddr(conn net.Conn) (key string, ip string, ok bool) {
+	if conn == nil {
+		return
+	}
+
+	var addr = conn.RemoteAddr()
+	switch realAddr := addr.(type) {
+	case *net.TCPAddr:
+		return addr.Network() + types.String(realAddr.Port), realAddr.IP.String(), true
+	case *net.UDPAddr:
+		return addr.Network() + types.String(realAddr.Port), realAddr.IP.String(), true
+	default:
+		var s = addr.String()
+		host, port, err := net.SplitHostPort(s)
+		if err != nil {
+			return
+		}
+		return addr.Network() + port, host, true
+	}
+}

internal/const/build.go

@@ -1,6 +1,6 @@
 // Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-//go:build community
-// +build community
+//go:build !plus
+// +build !plus
 
 package teaconst
 

internal/const/const.go

@@ -1,7 +1,7 @@
 package teaconst
 
 const (
-	Version = "0.4.7"
+	Version = "1.2.6"
 
 	ProductName = "Edge Node"
 	ProcessName = "edge-node"
@@ -13,4 +13,6 @@ const (
 
 	// SystemdServiceName systemd
 	SystemdServiceName = "edge-node"
+
+	AccessLogSockName = "edge-node.accesslog.sock"
 )

internal/const/vars.go

@@ -2,7 +2,11 @@
 
 package teaconst
 
-import "github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
+	"os"
+	"strings"
+)
 
 var (
 	// 流量统计
@@ -12,6 +16,7 @@ var (
 
 	NodeId       int64 = 0
 	NodeIdString       = ""
+	IsMain             = checkMain()
 
 	GlobalProductName = nodeconfigs.DefaultProductName
 
@@ -20,3 +25,15 @@ var (
 
 	DiskIsFast = false // 是否为高速硬盘
 )
+
+// 检查是否为主程序
+func checkMain() bool {
+	if len(os.Args) == 1 ||
+		(len(os.Args) >= 2 && os.Args[1] == "pprof") {
+		return true
+	}
+	exe, _ := os.Executable()
+	return strings.HasSuffix(exe, ".test") ||
+		strings.HasSuffix(exe, ".test.exe") ||
+		strings.Contains(exe, "___")
+}

internal/events/events.go

@@ -3,9 +3,11 @@ package events
 type Event = string
 
 const (
-	EventStart      Event = "start"      // start loading
-	EventLoaded     Event = "loaded"     // first load
-	EventQuit       Event = "quit"       // quit node gracefully
-	EventReload     Event = "reload"     // reload config
-	EventTerminated Event = "terminated" // process terminated
+	EventStart             Event = "start"             // start loading
+	EventLoaded            Event = "loaded"            // first load
+	EventQuit              Event = "quit"              // quit node gracefully
+	EventReload            Event = "reload"            // reload config
+	EventTerminated        Event = "terminated"        // process terminated
+	EventNFTablesReady     Event = "nftablesReady"     // nftables ready
+	EventReloadSomeServers Event = "reloadSomeServers" // reload some servers
 )

internal/events/utils.go

@@ -24,6 +24,17 @@ func On(event Event, callback func()) {
 	OnKey(event, nil, callback)
 }
 
+func OnEvents(events []Event, callback func()) {
+	for _, event := range events {
+		On(event, callback)
+	}
+}
+
+func OnClose(callback func()) {
+	On(EventQuit, callback)
+	On(EventTerminated, callback)
+}
+
 // OnKey 使用Key增加事件回调
 func OnKey(event Event, key interface{}, callback func()) {
 	if key == nil {

internal/firewalls/.gitignore

@@ -1 +0,0 @@
-firewall_nftables_test.go

internal/firewalls/ddos_protection.go

@@ -0,0 +1,567 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+
+package firewalls
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/ddosconfigs"
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/firewalls/nftables"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
+	"github.com/iwind/TeaGo/lists"
+	"github.com/iwind/TeaGo/types"
+	stringutil "github.com/iwind/TeaGo/utils/string"
+	"net"
+	"strings"
+	"sync"
+	"time"
+)
+
+var SharedDDoSProtectionManager = NewDDoSProtectionManager()
+
+func init() {
+	if !teaconst.IsMain {
+		return
+	}
+
+	events.On(events.EventReload, func() {
+		if nftablesInstance == nil {
+			return
+		}
+
+		nodeConfig, _ := nodeconfigs.SharedNodeConfig()
+		if nodeConfig != nil {
+			err := SharedDDoSProtectionManager.Apply(nodeConfig.DDoSProtection)
+			if err != nil {
+				remotelogs.Error("FIREWALL", "apply DDoS protection failed: "+err.Error())
+			}
+		}
+	})
+
+	events.On(events.EventNFTablesReady, func() {
+		nodeConfig, _ := nodeconfigs.SharedNodeConfig()
+		if nodeConfig != nil {
+			err := SharedDDoSProtectionManager.Apply(nodeConfig.DDoSProtection)
+			if err != nil {
+				remotelogs.Error("FIREWALL", "apply DDoS protection failed: "+err.Error())
+			}
+		}
+	})
+}
+
+// DDoSProtectionManager DDoS防护
+type DDoSProtectionManager struct {
+	lastAllowIPList []string
+	lastConfig      []byte
+
+	locker sync.Mutex
+}
+
+// NewDDoSProtectionManager 获取新对象
+func NewDDoSProtectionManager() *DDoSProtectionManager {
+	return &DDoSProtectionManager{}
+}
+
+// Apply 应用配置
+func (this *DDoSProtectionManager) Apply(config *ddosconfigs.ProtectionConfig) error {
+	// 加锁防止并发更改
+	if !this.locker.TryLock() {
+		return nil
+	}
+	defer this.locker.Unlock()
+
+	// 同集群节点IP白名单
+	var allowIPListChanged = false
+	nodeConfig, _ := nodeconfigs.SharedNodeConfig()
+	if nodeConfig != nil {
+		var allowIPList = nodeConfig.AllowedIPs
+		if !utils.EqualStrings(allowIPList, this.lastAllowIPList) {
+			allowIPListChanged = true
+			this.lastAllowIPList = allowIPList
+		}
+	}
+
+	// 对比配置
+	configJSON, err := json.Marshal(config)
+	if err != nil {
+		return errors.New("encode config to json failed: " + err.Error())
+	}
+	if !allowIPListChanged && bytes.Equal(this.lastConfig, configJSON) {
+		return nil
+	}
+	remotelogs.Println("FIREWALL", "change DDoS protection config")
+
+	if len(nftables.NftExePath()) == 0 {
+		return errors.New("can not find nft command")
+	}
+
+	if nftablesInstance == nil {
+		if config == nil || !config.IsOn() {
+			return nil
+		}
+		return errors.New("nftables instance should not be nil")
+	}
+
+	if config == nil {
+		// TCP
+		err := this.removeTCPRules()
+		if err != nil {
+			return err
+		}
+
+		// TODO other protocols
+
+		return nil
+	}
+
+	// TCP
+	if config.TCP == nil {
+		err := this.removeTCPRules()
+		if err != nil {
+			return err
+		}
+	} else {
+		// allow ip list
+		var allowIPList = []string{}
+		for _, ipConfig := range config.TCP.AllowIPList {
+			allowIPList = append(allowIPList, ipConfig.IP)
+		}
+		for _, ip := range this.lastAllowIPList {
+			if !lists.ContainsString(allowIPList, ip) {
+				allowIPList = append(allowIPList, ip)
+			}
+		}
+		err = this.updateAllowIPList(allowIPList)
+		if err != nil {
+			return err
+		}
+
+		// tcp
+		if config.TCP.IsOn {
+			err := this.addTCPRules(config.TCP)
+			if err != nil {
+				return err
+			}
+		} else {
+			err := this.removeTCPRules()
+			if err != nil {
+				return err
+			}
+		}
+	}
+
+	this.lastConfig = configJSON
+
+	return nil
+}
+
+// 添加TCP规则
+func (this *DDoSProtectionManager) addTCPRules(tcpConfig *ddosconfigs.TCPConfig) error {
+	var nftExe = nftables.NftExePath()
+	if len(nftExe) == 0 {
+		return nil
+	}
+
+	// 检查nft版本不能小于0.9
+	if len(nftablesInstance.version) > 0 && stringutil.VersionCompare("0.9", nftablesInstance.version) > 0 {
+		return nil
+	}
+
+	var ports = []int32{}
+	for _, portConfig := range tcpConfig.Ports {
+		if !lists.ContainsInt32(ports, portConfig.Port) {
+			ports = append(ports, portConfig.Port)
+		}
+	}
+	if len(ports) == 0 {
+		ports = []int32{80, 443}
+	}
+
+	for _, filter := range nftablesFilters {
+		chain, oldRules, err := this.getRules(filter)
+		if err != nil {
+			return errors.New("get old rules failed: " + err.Error())
+		}
+
+		var protocol = filter.protocol()
+
+		// max connections
+		var maxConnections = tcpConfig.MaxConnections
+		if maxConnections <= 0 {
+			maxConnections = nodeconfigs.DefaultTCPMaxConnections
+			if maxConnections <= 0 {
+				maxConnections = 100000
+			}
+		}
+
+		// max connections per ip
+		var maxConnectionsPerIP = tcpConfig.MaxConnectionsPerIP
+		if maxConnectionsPerIP <= 0 {
+			maxConnectionsPerIP = nodeconfigs.DefaultTCPMaxConnectionsPerIP
+			if maxConnectionsPerIP <= 0 {
+				maxConnectionsPerIP = 100000
+			}
+		}
+
+		// new connections rate (minutely)
+		var newConnectionsMinutelyRate = tcpConfig.NewConnectionsMinutelyRate
+		if newConnectionsMinutelyRate <= 0 {
+			newConnectionsMinutelyRate = nodeconfigs.DefaultTCPNewConnectionsMinutelyRate
+			if newConnectionsMinutelyRate <= 0 {
+				newConnectionsMinutelyRate = 100000
+			}
+		}
+		var newConnectionsMinutelyRateBlockTimeout = tcpConfig.NewConnectionsMinutelyRateBlockTimeout
+		if newConnectionsMinutelyRateBlockTimeout < 0 {
+			newConnectionsMinutelyRateBlockTimeout = 0
+		}
+
+		// new connections rate (secondly)
+		var newConnectionsSecondlyRate = tcpConfig.NewConnectionsSecondlyRate
+		if newConnectionsSecondlyRate <= 0 {
+			newConnectionsSecondlyRate = nodeconfigs.DefaultTCPNewConnectionsSecondlyRate
+			if newConnectionsSecondlyRate <= 0 {
+				newConnectionsSecondlyRate = 10000
+			}
+		}
+		var newConnectionsSecondlyRateBlockTimeout = tcpConfig.NewConnectionsSecondlyRateBlockTimeout
+		if newConnectionsSecondlyRateBlockTimeout < 0 {
+			newConnectionsSecondlyRateBlockTimeout = 0
+		}
+
+		// 检查是否有变化
+		var hasChanges = false
+		for _, port := range ports {
+			if !this.existsRule(oldRules, []string{"tcp", types.String(port), "maxConnections", types.String(maxConnections)}) {
+				hasChanges = true
+				break
+			}
+			if !this.existsRule(oldRules, []string{"tcp", types.String(port), "maxConnectionsPerIP", types.String(maxConnectionsPerIP)}) {
+				hasChanges = true
+				break
+			}
+			if !this.existsRule(oldRules, []string{"tcp", types.String(port), "newConnectionsRate", types.String(newConnectionsMinutelyRate), types.String(newConnectionsMinutelyRateBlockTimeout)}) {
+				hasChanges = true
+				break
+			}
+			if !this.existsRule(oldRules, []string{"tcp", types.String(port), "newConnectionsSecondlyRate", types.String(newConnectionsSecondlyRate), types.String(newConnectionsSecondlyRateBlockTimeout)}) {
+				hasChanges = true
+				break
+			}
+		}
+
+		if !hasChanges {
+			// 检查是否有多余的端口
+			var oldPorts = this.getTCPPorts(oldRules)
+			if !this.eqPorts(ports, oldPorts) {
+				hasChanges = true
+			}
+		}
+
+		if !hasChanges {
+			return nil
+		}
+
+		// 先清空所有相关规则
+		err = this.removeOldTCPRules(chain, oldRules)
+		if err != nil {
+			return errors.New("delete old rules failed: " + err.Error())
+		}
+
+		// 添加新规则
+		for _, port := range ports {
+			if maxConnections > 0 {
+				var cmd = executils.NewTimeoutCmd(10*time.Second, nftExe, "add", "rule", protocol, filter.Name, nftablesChainName, "tcp", "dport", types.String(port), "ct", "count", "over", types.String(maxConnections), "counter", "drop", "comment", this.encodeUserData([]string{"tcp", types.String(port), "maxConnections", types.String(maxConnections)}))
+				cmd.WithStderr()
+				err := cmd.Run()
+				if err != nil {
+					return errors.New("add nftables rule '" + cmd.String() + "' failed: " + err.Error() + " (" + cmd.Stderr() + ")")
+				}
+			}
+
+			// TODO 让用户选择是drop还是reject
+			if maxConnectionsPerIP > 0 {
+				var cmd = executils.NewTimeoutCmd(10*time.Second, nftExe, "add", "rule", protocol, filter.Name, nftablesChainName, "tcp", "dport", types.String(port), "meter", "meter-"+protocol+"-"+types.String(port)+"-max-connections", "{ "+protocol+" saddr ct count over "+types.String(maxConnectionsPerIP)+" }", "counter", "drop", "comment", this.encodeUserData([]string{"tcp", types.String(port), "maxConnectionsPerIP", types.String(maxConnectionsPerIP)}))
+				cmd.WithStderr()
+				err := cmd.Run()
+				if err != nil {
+					return errors.New("add nftables rule '" + cmd.String() + "' failed: " + err.Error() + " (" + cmd.Stderr() + ")")
+				}
+			}
+
+			// 超过一定速率就drop或者加入黑名单（分钟）
+			// TODO 让用户选择是drop还是reject
+			if newConnectionsMinutelyRate > 0 {
+				if newConnectionsMinutelyRateBlockTimeout > 0 {
+					var cmd = executils.NewTimeoutCmd(10*time.Second, nftExe, "add", "rule", protocol, filter.Name, nftablesChainName, "tcp", "dport", types.String(port), "ct", "state", "new", "meter", "meter-"+protocol+"-"+types.String(port)+"-new-connections-rate", "{ "+protocol+" saddr limit rate over "+types.String(newConnectionsMinutelyRate)+"/minute burst "+types.String(newConnectionsMinutelyRate+3)+" packets }", "add", "@deny_set", "{"+protocol+" saddr timeout "+types.String(newConnectionsMinutelyRateBlockTimeout)+"s}", "comment", this.encodeUserData([]string{"tcp", types.String(port), "newConnectionsRate", types.String(newConnectionsMinutelyRate), types.String(newConnectionsMinutelyRateBlockTimeout)}))
+					cmd.WithStderr()
+					err := cmd.Run()
+					if err != nil {
+						return errors.New("add nftables rule '" + cmd.String() + "' failed: " + err.Error() + " (" + cmd.Stderr() + ")")
+					}
+				} else {
+					var cmd = executils.NewTimeoutCmd(10*time.Second, nftExe, "add", "rule", protocol, filter.Name, nftablesChainName, "tcp", "dport", types.String(port), "ct", "state", "new", "meter", "meter-"+protocol+"-"+types.String(port)+"-new-connections-rate", "{ "+protocol+" saddr limit rate over "+types.String(newConnectionsMinutelyRate)+"/minute burst "+types.String(newConnectionsMinutelyRate+3)+" packets }" /**"add", "@deny_set", "{"+protocol+" saddr}",**/, "counter", "drop", "comment", this.encodeUserData([]string{"tcp", types.String(port), "newConnectionsRate", "0"}))
+					cmd.WithStderr()
+					err := cmd.Run()
+					if err != nil {
+						return errors.New("add nftables rule '" + cmd.String() + "' failed: " + err.Error() + " (" + cmd.Stderr() + ")")
+					}
+				}
+			}
+
+			// 超过一定速率就drop或者加入黑名单（秒）
+			// TODO 让用户选择是drop还是reject
+			if newConnectionsSecondlyRate > 0 {
+				if newConnectionsSecondlyRateBlockTimeout > 0 {
+					var cmd = executils.NewTimeoutCmd(10*time.Second, nftExe, "add", "rule", protocol, filter.Name, nftablesChainName, "tcp", "dport", types.String(port), "ct", "state", "new", "meter", "meter-"+protocol+"-"+types.String(port)+"-new-connections-secondly-rate", "{ "+protocol+" saddr limit rate over "+types.String(newConnectionsSecondlyRate)+"/second burst "+types.String(newConnectionsSecondlyRate+3)+" packets }", "add", "@deny_set", "{"+protocol+" saddr timeout "+types.String(newConnectionsSecondlyRateBlockTimeout)+"s}", "comment", this.encodeUserData([]string{"tcp", types.String(port), "newConnectionsSecondlyRate", types.String(newConnectionsSecondlyRate), types.String(newConnectionsSecondlyRateBlockTimeout)}))
+					cmd.WithStderr()
+					err := cmd.Run()
+					if err != nil {
+						return errors.New("add nftables rule '" + cmd.String() + "' failed: " + err.Error() + " (" + cmd.Stderr() + ")")
+					}
+				} else {
+					var cmd = executils.NewTimeoutCmd(10*time.Second, nftExe, "add", "rule", protocol, filter.Name, nftablesChainName, "tcp", "dport", types.String(port), "ct", "state", "new", "meter", "meter-"+protocol+"-"+types.String(port)+"-new-connections-secondly-rate", "{ "+protocol+" saddr limit rate over "+types.String(newConnectionsSecondlyRate)+"/second burst "+types.String(newConnectionsSecondlyRate+3)+" packets }" /**"add", "@deny_set", "{"+protocol+" saddr}",**/, "counter", "drop", "comment", this.encodeUserData([]string{"tcp", types.String(port), "newConnectionsSecondlyRate", "0"}))
+					cmd.WithStderr()
+					err := cmd.Run()
+					if err != nil {
+						return errors.New("add nftables rule '" + cmd.String() + "' failed: " + err.Error() + " (" + cmd.Stderr() + ")")
+					}
+				}
+			}
+		}
+	}
+
+	return nil
+}
+
+// 删除TCP规则
+func (this *DDoSProtectionManager) removeTCPRules() error {
+	for _, filter := range nftablesFilters {
+		chain, rules, err := this.getRules(filter)
+
+		// TCP
+		err = this.removeOldTCPRules(chain, rules)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// 组合user data
+// 数据中不能包含字母、数字、下划线以外的数据
+func (this *DDoSProtectionManager) encodeUserData(attrs []string) string {
+	if attrs == nil {
+		return ""
+	}
+
+	return "ZZ" + strings.Join(attrs, "_") + "ZZ"
+}
+
+// 解码user data
+func (this *DDoSProtectionManager) decodeUserData(data []byte) []string {
+	if len(data) == 0 {
+		return nil
+	}
+
+	var dataCopy = make([]byte, len(data))
+	copy(dataCopy, data)
+
+	var separatorLen = 2
+	var index1 = bytes.Index(dataCopy, []byte{'Z', 'Z'})
+	if index1 < 0 {
+		return nil
+	}
+
+	dataCopy = dataCopy[index1+separatorLen:]
+	var index2 = bytes.LastIndex(dataCopy, []byte{'Z', 'Z'})
+	if index2 < 0 {
+		return nil
+	}
+
+	var s = string(dataCopy[:index2])
+	var pieces = strings.Split(s, "_")
+	for index, piece := range pieces {
+		pieces[index] = strings.TrimSpace(piece)
+	}
+	return pieces
+}
+
+// 清除规则
+func (this *DDoSProtectionManager) removeOldTCPRules(chain *nftables.Chain, rules []*nftables.Rule) error {
+	for _, rule := range rules {
+		var pieces = this.decodeUserData(rule.UserData())
+		if len(pieces) < 4 {
+			continue
+		}
+		if pieces[0] != "tcp" {
+			continue
+		}
+		switch pieces[2] {
+		case "maxConnections", "maxConnectionsPerIP", "newConnectionsRate", "newConnectionsSecondlyRate":
+			err := chain.DeleteRule(rule)
+			if err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}
+
+// 根据参数检查规则是否存在
+func (this *DDoSProtectionManager) existsRule(rules []*nftables.Rule, attrs []string) (exists bool) {
+	if len(attrs) == 0 {
+		return false
+	}
+	for _, oldRule := range rules {
+		var pieces = this.decodeUserData(oldRule.UserData())
+		if len(attrs) != len(pieces) {
+			continue
+		}
+		var isSame = true
+		for index, piece := range pieces {
+			if strings.TrimSpace(piece) != attrs[index] {
+				isSame = false
+				break
+			}
+		}
+		if isSame {
+			return true
+		}
+	}
+	return false
+}
+
+// 获取规则中的端口号
+func (this *DDoSProtectionManager) getTCPPorts(rules []*nftables.Rule) []int32 {
+	var ports = []int32{}
+	for _, rule := range rules {
+		var pieces = this.decodeUserData(rule.UserData())
+		if len(pieces) != 4 {
+			continue
+		}
+		if pieces[0] != "tcp" {
+			continue
+		}
+		var port = types.Int32(pieces[1])
+		if port > 0 && !lists.ContainsInt32(ports, port) {
+			ports = append(ports, port)
+		}
+	}
+	return ports
+}
+
+// 检查端口是否一样
+func (this *DDoSProtectionManager) eqPorts(ports1 []int32, ports2 []int32) bool {
+	if len(ports1) != len(ports2) {
+		return false
+	}
+
+	var portMap = map[int32]bool{}
+	for _, port := range ports2 {
+		portMap[port] = true
+	}
+
+	for _, port := range ports1 {
+		_, ok := portMap[port]
+		if !ok {
+			return false
+		}
+	}
+	return true
+}
+
+// 查找Table
+func (this *DDoSProtectionManager) getTable(filter *nftablesTableDefinition) (*nftables.Table, error) {
+	var family nftables.TableFamily
+	if filter.IsIPv4 {
+		family = nftables.TableFamilyIPv4
+	} else if filter.IsIPv6 {
+		family = nftables.TableFamilyIPv6
+	} else {
+		return nil, errors.New("table '" + filter.Name + "' should be IPv4 or IPv6")
+	}
+	return nftablesInstance.conn.GetTable(filter.Name, family)
+}
+
+// 查找所有规则
+func (this *DDoSProtectionManager) getRules(filter *nftablesTableDefinition) (*nftables.Chain, []*nftables.Rule, error) {
+	table, err := this.getTable(filter)
+	if err != nil {
+		return nil, nil, errors.New("get table failed: " + err.Error())
+	}
+	chain, err := table.GetChain(nftablesChainName)
+	if err != nil {
+		return nil, nil, errors.New("get chain failed: " + err.Error())
+	}
+	rules, err := chain.GetRules()
+	return chain, rules, err
+}
+
+// 更新白名单
+func (this *DDoSProtectionManager) updateAllowIPList(allIPList []string) error {
+	if nftablesInstance == nil {
+		return nil
+	}
+
+	var allMap = map[string]zero.Zero{}
+	for _, ip := range allIPList {
+		allMap[ip] = zero.New()
+	}
+
+	for _, set := range []*nftables.Set{nftablesInstance.allowIPv4Set, nftablesInstance.allowIPv6Set} {
+		var isIPv4 = set == nftablesInstance.allowIPv4Set
+		var isIPv6 = !isIPv4
+
+		// 现有的
+		oldList, err := set.GetIPElements()
+		if err != nil {
+			return err
+		}
+		var oldMap = map[string]zero.Zero{} // ip=> zero
+		for _, ip := range oldList {
+			oldMap[ip] = zero.New()
+
+			if (utils.IsIPv4(ip) && isIPv4) || (utils.IsIPv6(ip) && isIPv6) {
+				_, ok := allMap[ip]
+				if !ok {
+					// 不存在则删除
+					err = set.DeleteIPElement(ip)
+					if err != nil {
+						return errors.New("delete ip element '" + ip + "' failed: " + err.Error())
+					}
+				}
+			}
+		}
+
+		// 新增的
+		for _, ip := range allIPList {
+			var ipObj = net.ParseIP(ip)
+			if ipObj == nil {
+				continue
+			}
+			if (utils.IsIPv4(ip) && isIPv4) || (utils.IsIPv6(ip) && isIPv6) {
+				_, ok := oldMap[ip]
+				if !ok {
+					// 不存在则添加
+					err = set.AddIPElement(ip, nil, false)
+					if err != nil {
+						return errors.New("add ip '" + ip + "' failed: " + err.Error())
+					}
+				}
+			}
+		}
+	}
+
+	return nil
+}

internal/firewalls/ddos_protection_others.go

@@ -0,0 +1,22 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build !linux
+// +build !linux
+
+package firewalls
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/ddosconfigs"
+)
+
+var SharedDDoSProtectionManager = NewDDoSProtectionManager()
+
+type DDoSProtectionManager struct {
+}
+
+func NewDDoSProtectionManager() *DDoSProtectionManager {
+	return &DDoSProtectionManager{}
+}
+
+func (this *DDoSProtectionManager) Apply(config *ddosconfigs.ProtectionConfig) error {
+	return nil
+}

internal/firewalls/firewall.go

@@ -1,19 +1,24 @@
 // Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
-//go:build !plus
-// +build !plus
 
 package firewalls
 
 import (
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"runtime"
+	"sync"
 )
 
 var currentFirewall FirewallInterface
+var firewallLocker = &sync.Mutex{}
 
 // 初始化
 func init() {
+	if !teaconst.IsMain {
+		return
+	}
+
 	events.On(events.EventLoaded, func() {
 		var firewall = Firewall()
 		if firewall.Name() != "mock" {
@@ -24,10 +29,28 @@ func init() {
 
 // Firewall 查找当前系统中最适合的防火墙
 func Firewall() FirewallInterface {
+	firewallLocker.Lock()
+	defer firewallLocker.Unlock()
 	if currentFirewall != nil {
 		return currentFirewall
 	}
 
+	// nftables
+	if runtime.GOOS == "linux" {
+		nftables, err := NewNFTablesFirewall()
+		if err != nil {
+			remotelogs.Warn("FIREWALL", "'nftables' should be installed on the system to enhance security (init failed: "+err.Error()+")")
+		} else {
+			if nftables.IsReady() {
+				currentFirewall = nftables
+				events.Notify(events.EventNFTablesReady)
+				return nftables
+			} else {
+				remotelogs.Warn("FIREWALL", "'nftables' should be enabled on the system to enhance security")
+			}
+		}
+	}
+
 	// firewalld
 	if runtime.GOOS == "linux" {
 		var firewalld = NewFirewalld()

internal/firewalls/firewall_base.go

@@ -0,0 +1,47 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package firewalls
+
+import (
+	"github.com/iwind/TeaGo/types"
+	"strings"
+	"sync"
+	"time"
+)
+
+type BaseFirewall struct {
+	locker        sync.Mutex
+	latestIPTimes []string // [ip@time, ....]
+}
+
+// 检查是否在最近添加过
+func (this *BaseFirewall) checkLatestIP(ip string) bool {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	var expiredIndex = -1
+	for index, ipTime := range this.latestIPTimes {
+		var pieces = strings.Split(ipTime, "@")
+		var oldIP = pieces[0]
+		var oldTimestamp = pieces[1]
+		if types.Int64(oldTimestamp) < time.Now().Unix()-3 /** 3秒外表示过期 **/ {
+			expiredIndex = index
+			continue
+		}
+		if oldIP == ip {
+			return true
+		}
+	}
+
+	if expiredIndex > -1 {
+		this.latestIPTimes = this.latestIPTimes[expiredIndex+1:]
+	}
+
+	this.latestIPTimes = append(this.latestIPTimes, ip+"@"+types.String(time.Now().Unix()))
+	const maxLen = 128
+	if len(this.latestIPTimes) > maxLen {
+		this.latestIPTimes = this.latestIPTimes[1:]
+	}
+
+	return false
+}

internal/firewalls/firewall_firewalld.go

@@ -3,32 +3,43 @@
 package firewalls
 
 import (
+	"errors"
+	"github.com/TeaOSLab/EdgeNode/internal/conns"
 	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
 	"github.com/iwind/TeaGo/types"
-	"os/exec"
 	"strings"
+	"time"
 )
 
+type firewalldCmd struct {
+	cmd    *executils.Cmd
+	denyIP string
+}
+
 type Firewalld struct {
+	BaseFirewall
+
 	isReady  bool
 	exe      string
-	cmdQueue chan *exec.Cmd
+	cmdQueue chan *firewalldCmd
 }
 
 func NewFirewalld() *Firewalld {
 	var firewalld = &Firewalld{
-		cmdQueue: make(chan *exec.Cmd, 4096),
+		cmdQueue: make(chan *firewalldCmd, 4096),
 	}
 
-	path, err := exec.LookPath("firewall-cmd")
+	path, err := executils.LookPath("firewall-cmd")
 	if err == nil && len(path) > 0 {
-		var cmd = exec.Command(path, "-V")
+		var cmd = executils.NewTimeoutCmd(3*time.Second, path, "--state")
 		err := cmd.Run()
 		if err == nil {
 			firewalld.exe = path
 			// TODO check firewalld status with 'firewall-cmd --state' (running or not running),
 			//      but we should recover the state when firewalld state changes, maybe check it every minutes
+
 			firewalld.isReady = true
 			firewalld.init()
 		}
@@ -39,13 +50,19 @@ func NewFirewalld() *Firewalld {
 
 func (this *Firewalld) init() {
 	goman.New(func() {
-		for cmd := range this.cmdQueue {
+		for c := range this.cmdQueue {
+			var cmd = c.cmd
 			err := cmd.Run()
 			if err != nil {
 				if strings.HasPrefix(err.Error(), "Warning:") {
 					continue
 				}
 				remotelogs.Warn("FIREWALL", "run command failed '"+cmd.String()+"': "+err.Error())
+			} else {
+				// 关闭连接
+				if len(c.denyIP) > 0 {
+					conns.SharedMap.CloseIPConns(c.denyIP)
+				}
 			}
 		}
 	})
@@ -69,8 +86,26 @@ func (this *Firewalld) AllowPort(port int, protocol string) error {
 	if !this.isReady {
 		return nil
 	}
-	var cmd = exec.Command(this.exe, "--add-port="+types.String(port)+"/"+protocol)
-	this.pushCmd(cmd)
+	var cmd = executils.NewTimeoutCmd(10*time.Second, this.exe, "--add-port="+types.String(port)+"/"+protocol)
+	this.pushCmd(cmd, "")
+	return nil
+}
+
+func (this *Firewalld) AllowPortRangesPermanently(portRanges [][2]int, protocol string) error {
+	for _, portRange := range portRanges {
+		var port = this.PortRangeString(portRange, protocol)
+
+		{
+			var cmd = executils.NewTimeoutCmd(10*time.Second, this.exe, "--add-port="+port, "--permanent")
+			this.pushCmd(cmd, "")
+		}
+
+		{
+			var cmd = executils.NewTimeoutCmd(10*time.Second, this.exe, "--add-port="+port)
+			this.pushCmd(cmd, "")
+		}
+	}
+
 	return nil
 }
 
@@ -78,15 +113,45 @@ func (this *Firewalld) RemovePort(port int, protocol string) error {
 	if !this.isReady {
 		return nil
 	}
-	var cmd = exec.Command(this.exe, "--remove-port="+types.String(port)+"/"+protocol)
-	this.pushCmd(cmd)
+	var cmd = executils.NewTimeoutCmd(10*time.Second, this.exe, "--remove-port="+types.String(port)+"/"+protocol)
+	this.pushCmd(cmd, "")
 	return nil
 }
 
+func (this *Firewalld) RemovePortRangePermanently(portRange [2]int, protocol string) error {
+	var port = this.PortRangeString(portRange, protocol)
+
+	{
+		var cmd = executils.NewTimeoutCmd(10*time.Second, this.exe, "--remove-port="+port, "--permanent")
+		this.pushCmd(cmd, "")
+	}
+
+	{
+		var cmd = executils.NewTimeoutCmd(10*time.Second, this.exe, "--remove-port="+port)
+		this.pushCmd(cmd, "")
+	}
+
+	return nil
+}
+
+func (this *Firewalld) PortRangeString(portRange [2]int, protocol string) string {
+	if portRange[0] == portRange[1] {
+		return types.String(portRange[0]) + "/" + protocol
+	} else {
+		return types.String(portRange[0]) + "-" + types.String(portRange[1]) + "/" + protocol
+	}
+}
+
 func (this *Firewalld) RejectSourceIP(ip string, timeoutSeconds int) error {
 	if !this.isReady {
 		return nil
 	}
+
+	// 避免短时间内重复添加
+	if this.checkLatestIP(ip) {
+		return nil
+	}
+
 	var family = "ipv4"
 	if strings.Contains(ip, ":") {
 		family = "ipv6"
@@ -95,15 +160,21 @@ func (this *Firewalld) RejectSourceIP(ip string, timeoutSeconds int) error {
 	if timeoutSeconds > 0 {
 		args = append(args, "--timeout="+types.String(timeoutSeconds)+"s")
 	}
-	var cmd = exec.Command(this.exe, args...)
-	this.pushCmd(cmd)
+	var cmd = executils.NewTimeoutCmd(10*time.Second, this.exe, args...)
+	this.pushCmd(cmd, ip)
 	return nil
 }
 
-func (this *Firewalld) DropSourceIP(ip string, timeoutSeconds int) error {
+func (this *Firewalld) DropSourceIP(ip string, timeoutSeconds int, async bool) error {
 	if !this.isReady {
 		return nil
 	}
+
+	// 避免短时间内重复添加
+	if async && this.checkLatestIP(ip) {
+		return nil
+	}
+
 	var family = "ipv4"
 	if strings.Contains(ip, ":") {
 		family = "ipv6"
@@ -112,8 +183,19 @@ func (this *Firewalld) DropSourceIP(ip string, timeoutSeconds int) error {
 	if timeoutSeconds > 0 {
 		args = append(args, "--timeout="+types.String(timeoutSeconds)+"s")
 	}
-	var cmd = exec.Command(this.exe, args...)
-	this.pushCmd(cmd)
+	var cmd = executils.NewTimeoutCmd(10*time.Second, this.exe, args...)
+	if async {
+		this.pushCmd(cmd, ip)
+		return nil
+	}
+
+	// 关闭连接
+	defer conns.SharedMap.CloseIPConns(ip)
+
+	err := cmd.Run()
+	if err != nil {
+		return errors.New("run command failed '" + cmd.String() + "': " + err.Error())
+	}
 	return nil
 }
 
@@ -121,21 +203,22 @@ func (this *Firewalld) RemoveSourceIP(ip string) error {
 	if !this.isReady {
 		return nil
 	}
+
 	var family = "ipv4"
 	if strings.Contains(ip, ":") {
 		family = "ipv6"
 	}
 	for _, action := range []string{"reject", "drop"} {
 		var args = []string{"--remove-rich-rule=rule family='" + family + "' source address='" + ip + "' " + action}
-		var cmd = exec.Command(this.exe, args...)
-		this.pushCmd(cmd)
+		var cmd = executils.NewTimeoutCmd(10*time.Second, this.exe, args...)
+		this.pushCmd(cmd, "")
 	}
 	return nil
 }
 
-func (this *Firewalld) pushCmd(cmd *exec.Cmd) {
+func (this *Firewalld) pushCmd(cmd *executils.Cmd, denyIP string) {
 	select {
-	case this.cmdQueue <- cmd:
+	case this.cmdQueue <- &firewalldCmd{cmd: cmd, denyIP: denyIP}:
 	default:
 		// we discard the command
 	}

internal/firewalls/firewall_interface.go

@@ -23,7 +23,10 @@ type FirewallInterface interface {
 	RejectSourceIP(ip string, timeoutSeconds int) error
 
 	// DropSourceIP 丢弃某个源IP数据
-	DropSourceIP(ip string, timeoutSeconds int) error
+	// ip 要封禁的IP
+	// timeoutSeconds 过期时间
+	// async 是否异步
+	DropSourceIP(ip string, timeoutSeconds int, async bool) error
 
 	// RemoveSourceIP 删除某个源IP
 	RemoveSourceIP(ip string) error

internal/firewalls/firewall_mock.go

@@ -47,7 +47,7 @@ func (this *MockFirewall) RejectSourceIP(ip string, timeoutSeconds int) error {
 }
 
 // DropSourceIP 丢弃某个源IP数据
-func (this *MockFirewall) DropSourceIP(ip string, timeoutSeconds int) error {
+func (this *MockFirewall) DropSourceIP(ip string, timeoutSeconds int, async bool) error {
 	_ = ip
 	_ = timeoutSeconds
 	return nil

internal/firewalls/firewall_nftables.go

@@ -0,0 +1,497 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+
+package firewalls
+
+import (
+	"errors"
+	"github.com/TeaOSLab/EdgeCommon/pkg/configutils"
+	"github.com/TeaOSLab/EdgeNode/internal/conns"
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/firewalls/nftables"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
+	"github.com/google/nftables/expr"
+	"github.com/iwind/TeaGo/types"
+	"net"
+	"regexp"
+	"runtime"
+	"strings"
+	"time"
+)
+
+// check nft status, if being enabled we load it automatically
+func init() {
+	if !teaconst.IsMain {
+		return
+	}
+
+	if runtime.GOOS == "linux" {
+		var ticker = time.NewTicker(3 * time.Minute)
+		goman.New(func() {
+			for range ticker.C {
+				// if already ready, we break
+				if nftablesIsReady {
+					ticker.Stop()
+					break
+				}
+				var nftExe = nftables.NftExePath()
+				if len(nftExe) > 0 {
+					nftablesFirewall, err := NewNFTablesFirewall()
+					if err != nil {
+						continue
+					}
+					currentFirewall = nftablesFirewall
+					remotelogs.Println("FIREWALL", "nftables is ready")
+
+					// fire event
+					if nftablesFirewall.IsReady() {
+						events.Notify(events.EventNFTablesReady)
+					}
+
+					ticker.Stop()
+					break
+				}
+			}
+		})
+	}
+}
+
+var nftablesInstance *NFTablesFirewall
+var nftablesIsReady = false
+var nftablesFilters = []*nftablesTableDefinition{
+	// we shorten the name for table name length restriction
+	{Name: "edge_dft_v4", IsIPv4: true},
+	{Name: "edge_dft_v6", IsIPv6: true},
+}
+var nftablesChainName = "input"
+
+type nftablesTableDefinition struct {
+	Name   string
+	IsIPv4 bool
+	IsIPv6 bool
+}
+
+func (this *nftablesTableDefinition) protocol() string {
+	if this.IsIPv6 {
+		return "ip6"
+	}
+	return "ip"
+}
+
+type blockIPItem struct {
+	action         string
+	ip             string
+	timeoutSeconds int
+}
+
+func NewNFTablesFirewall() (*NFTablesFirewall, error) {
+	conn, err := nftables.NewConn()
+	if err != nil {
+		return nil, err
+	}
+	var firewall = &NFTablesFirewall{
+		conn:        conn,
+		dropIPQueue: make(chan *blockIPItem, 4096),
+	}
+	err = firewall.init()
+	if err != nil {
+		return nil, err
+	}
+
+	return firewall, nil
+}
+
+type NFTablesFirewall struct {
+	BaseFirewall
+
+	conn    *nftables.Conn
+	isReady bool
+	version string
+
+	allowIPv4Set *nftables.Set
+	allowIPv6Set *nftables.Set
+
+	denyIPv4Sets []*nftables.Set
+	denyIPv6Sets []*nftables.Set
+
+	firewalld *Firewalld
+
+	dropIPQueue chan *blockIPItem
+}
+
+func (this *NFTablesFirewall) init() error {
+	// check nft
+	var nftPath = nftables.NftExePath()
+	if len(nftPath) == 0 {
+		return errors.New("'nft' not found")
+	}
+	this.version = this.readVersion(nftPath)
+
+	// table
+	for _, tableDef := range nftablesFilters {
+		var family nftables.TableFamily
+		if tableDef.IsIPv4 {
+			family = nftables.TableFamilyIPv4
+		} else if tableDef.IsIPv6 {
+			family = nftables.TableFamilyIPv6
+		} else {
+			return errors.New("invalid table family: " + types.String(tableDef))
+		}
+		table, err := this.conn.GetTable(tableDef.Name, family)
+		if err != nil {
+			if nftables.IsNotFound(err) {
+				if tableDef.IsIPv4 {
+					table, err = this.conn.AddIPv4Table(tableDef.Name)
+				} else if tableDef.IsIPv6 {
+					table, err = this.conn.AddIPv6Table(tableDef.Name)
+				}
+				if err != nil {
+					return errors.New("create table '" + tableDef.Name + "' failed: " + err.Error())
+				}
+			} else {
+				return errors.New("get table '" + tableDef.Name + "' failed: " + err.Error())
+			}
+		}
+		if table == nil {
+			return errors.New("can not create table '" + tableDef.Name + "'")
+		}
+
+		// chain
+		var chainName = nftablesChainName
+		chain, err := table.GetChain(chainName)
+		if err != nil {
+			if nftables.IsNotFound(err) {
+				chain, err = table.AddAcceptChain(chainName)
+				if err != nil {
+					return errors.New("create chain '" + chainName + "' failed: " + err.Error())
+				}
+			} else {
+				return errors.New("get chain '" + chainName + "' failed: " + err.Error())
+			}
+		}
+		if chain == nil {
+			return errors.New("can not create chain '" + chainName + "'")
+		}
+
+		// allow lo
+		var loRuleName = []byte("lo")
+		_, err = chain.GetRuleWithUserData(loRuleName)
+		if err != nil {
+			if nftables.IsNotFound(err) {
+				_, err = chain.AddAcceptInterfaceRule("lo", loRuleName)
+			}
+			if err != nil {
+				return errors.New("add 'lo' rule failed: " + err.Error())
+			}
+		}
+
+		// allow set
+		// "allow" should be always first
+		for _, setAction := range []string{"allow", "deny", "deny1", "deny2", "deny3", "deny4"} {
+			var setName = setAction + "_set"
+
+			set, err := table.GetSet(setName)
+			if err != nil {
+				if nftables.IsNotFound(err) {
+					var keyType nftables.SetDataType
+					if tableDef.IsIPv4 {
+						keyType = nftables.TypeIPAddr
+					} else if tableDef.IsIPv6 {
+						keyType = nftables.TypeIP6Addr
+					}
+					set, err = table.AddSet(setName, &nftables.SetOptions{
+						KeyType:    keyType,
+						HasTimeout: true,
+					})
+					if err != nil {
+						return errors.New("create set '" + setName + "' failed: " + err.Error())
+					}
+				} else {
+					return errors.New("get set '" + setName + "' failed: " + err.Error())
+				}
+			}
+			if set == nil {
+				return errors.New("can not create set '" + setName + "'")
+			}
+			if tableDef.IsIPv4 {
+				if setAction == "allow" {
+					this.allowIPv4Set = set
+				} else {
+					this.denyIPv4Sets = append(this.denyIPv4Sets, set)
+				}
+			} else if tableDef.IsIPv6 {
+				if setAction == "allow" {
+					this.allowIPv6Set = set
+				} else {
+					this.denyIPv6Sets = append(this.denyIPv6Sets, set)
+				}
+			}
+
+			// rule
+			var ruleName = []byte(setAction)
+			rule, err := chain.GetRuleWithUserData(ruleName)
+
+			// 将以前的drop规则删掉，替换成后面的reject
+			if err == nil && setAction != "allow" && rule != nil && rule.VerDict() == expr.VerdictDrop {
+				deleteErr := chain.DeleteRule(rule)
+				if deleteErr == nil {
+					err = nftables.ErrRuleNotFound
+					rule = nil
+				}
+			}
+
+			if err != nil {
+				if nftables.IsNotFound(err) {
+					if tableDef.IsIPv4 {
+						if setAction == "allow" {
+							rule, err = chain.AddAcceptIPv4SetRule(setName, ruleName)
+						} else {
+							rule, err = chain.AddRejectIPv4SetRule(setName, ruleName)
+						}
+					} else if tableDef.IsIPv6 {
+						if setAction == "allow" {
+							rule, err = chain.AddAcceptIPv6SetRule(setName, ruleName)
+						} else {
+							rule, err = chain.AddRejectIPv6SetRule(setName, ruleName)
+						}
+					}
+					if err != nil {
+						return errors.New("add rule failed: " + err.Error())
+					}
+				} else {
+					return errors.New("get rule failed: " + err.Error())
+				}
+			}
+			if rule == nil {
+				return errors.New("can not create rule '" + string(ruleName) + "'")
+			}
+		}
+	}
+
+	this.isReady = true
+	nftablesIsReady = true
+	nftablesInstance = this
+
+	goman.New(func() {
+		for ipItem := range this.dropIPQueue {
+			switch ipItem.action {
+			case "drop":
+				err := this.DropSourceIP(ipItem.ip, ipItem.timeoutSeconds, false)
+				if err != nil {
+					remotelogs.Warn("NFTABLES", "drop ip '"+ipItem.ip+"' failed: "+err.Error())
+				}
+			}
+		}
+	})
+
+	// load firewalld
+	var firewalld = NewFirewalld()
+	if firewalld.IsReady() {
+		this.firewalld = firewalld
+	}
+
+	return nil
+}
+
+// Name 名称
+func (this *NFTablesFirewall) Name() string {
+	return "nftables"
+}
+
+// IsReady 是否已准备被调用
+func (this *NFTablesFirewall) IsReady() bool {
+	return this.isReady
+}
+
+// IsMock 是否为模拟
+func (this *NFTablesFirewall) IsMock() bool {
+	return false
+}
+
+// AllowPort 允许端口
+func (this *NFTablesFirewall) AllowPort(port int, protocol string) error {
+	if this.firewalld != nil {
+		return this.firewalld.AllowPort(port, protocol)
+	}
+	return nil
+}
+
+// RemovePort 删除端口
+func (this *NFTablesFirewall) RemovePort(port int, protocol string) error {
+	if this.firewalld != nil {
+		return this.firewalld.RemovePort(port, protocol)
+	}
+	return nil
+}
+
+// AllowSourceIP Allow把IP加入白名单
+func (this *NFTablesFirewall) AllowSourceIP(ip string) error {
+	var data = net.ParseIP(ip)
+	if data == nil {
+		return errors.New("invalid ip '" + ip + "'")
+	}
+
+	if strings.Contains(ip, ":") { // ipv6
+		if this.allowIPv6Set == nil {
+			return errors.New("ipv6 ip set is nil")
+		}
+		return this.allowIPv6Set.AddElement(data.To16(), nil, false)
+	}
+
+	// ipv4
+	if this.allowIPv4Set == nil {
+		return errors.New("ipv4 ip set is nil")
+	}
+	return this.allowIPv4Set.AddElement(data.To4(), nil, false)
+}
+
+// RejectSourceIP 拒绝某个源IP连接
+// we did not create set for drop ip, so we reuse DropSourceIP() method here
+func (this *NFTablesFirewall) RejectSourceIP(ip string, timeoutSeconds int) error {
+	return this.DropSourceIP(ip, timeoutSeconds, true)
+}
+
+// DropSourceIP 丢弃某个源IP数据
+func (this *NFTablesFirewall) DropSourceIP(ip string, timeoutSeconds int, async bool) error {
+	var data = net.ParseIP(ip)
+	if data == nil {
+		return errors.New("invalid ip '" + ip + "'")
+	}
+
+	// 尝试关闭连接
+	conns.SharedMap.CloseIPConns(ip)
+
+	// 避免短时间内重复添加
+	if async && this.checkLatestIP(ip) {
+		return nil
+	}
+
+	if async {
+		select {
+		case this.dropIPQueue <- &blockIPItem{
+			action:         "drop",
+			ip:             ip,
+			timeoutSeconds: timeoutSeconds,
+		}:
+		default:
+			return errors.New("drop ip queue is full")
+		}
+		return nil
+	}
+
+	// 再次尝试关闭连接
+	defer conns.SharedMap.CloseIPConns(ip)
+
+	var ipLong = configutils.IPString2Long(ip)
+	if strings.Contains(ip, ":") { // ipv6
+		if len(this.denyIPv6Sets) == 0 {
+			return errors.New("ipv6 ip set not found")
+		}
+		return this.denyIPv6Sets[ipLong%uint64(len(this.denyIPv6Sets))].AddElement(data.To16(), &nftables.ElementOptions{
+			Timeout: time.Duration(timeoutSeconds) * time.Second,
+		}, false)
+	}
+
+	// ipv4
+	if len(this.denyIPv4Sets) == 0 {
+		return errors.New("ipv4 ip set not found")
+	}
+	return this.denyIPv4Sets[ipLong%uint64(len(this.denyIPv4Sets))].AddElement(data.To4(), &nftables.ElementOptions{
+		Timeout: time.Duration(timeoutSeconds) * time.Second,
+	}, false)
+}
+
+// RemoveSourceIP 删除某个源IP
+func (this *NFTablesFirewall) RemoveSourceIP(ip string) error {
+	var data = net.ParseIP(ip)
+	if data == nil {
+		return errors.New("invalid ip '" + ip + "'")
+	}
+
+	var ipLong = configutils.IPString2Long(ip)
+	if strings.Contains(ip, ":") { // ipv6
+		if len(this.denyIPv6Sets) > 0 {
+			err := this.denyIPv6Sets[ipLong%uint64(len(this.denyIPv6Sets))].DeleteElement(data.To16())
+			if err != nil {
+				return err
+			}
+		}
+
+		if this.allowIPv6Set != nil {
+			err := this.allowIPv6Set.DeleteElement(data.To16())
+			if err != nil {
+				return err
+			}
+		}
+
+		return nil
+	}
+
+	// ipv4
+	if len(this.denyIPv4Sets) > 0 {
+		err := this.denyIPv4Sets[ipLong%uint64(len(this.denyIPv4Sets))].DeleteElement(data.To4())
+		if err != nil {
+			return err
+		}
+	}
+	if this.allowIPv4Set != nil {
+		err := this.allowIPv4Set.DeleteElement(data.To4())
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// 读取版本号
+func (this *NFTablesFirewall) readVersion(nftPath string) string {
+	var cmd = executils.NewTimeoutCmd(10*time.Second, nftPath, "--version")
+	cmd.WithStdout()
+	err := cmd.Run()
+	if err != nil {
+		return ""
+	}
+
+	var outputString = cmd.Stdout()
+	var versionMatches = regexp.MustCompile(`nftables v([\d.]+)`).FindStringSubmatch(outputString)
+	if len(versionMatches) <= 1 {
+		return ""
+	}
+	return versionMatches[1]
+}
+
+// 检查是否在最近添加过
+func (this *NFTablesFirewall) existLatestIP(ip string) bool {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	var expiredIndex = -1
+	for index, ipTime := range this.latestIPTimes {
+		var pieces = strings.Split(ipTime, "@")
+		var oldIP = pieces[0]
+		var oldTimestamp = pieces[1]
+		if types.Int64(oldTimestamp) < time.Now().Unix()-3 /** 3秒外表示过期 **/ {
+			expiredIndex = index
+			continue
+		}
+		if oldIP == ip {
+			return true
+		}
+	}
+
+	if expiredIndex > -1 {
+		this.latestIPTimes = this.latestIPTimes[expiredIndex+1:]
+	}
+
+	this.latestIPTimes = append(this.latestIPTimes, ip+"@"+types.String(time.Now().Unix()))
+	const maxLen = 128
+	if len(this.latestIPTimes) > maxLen {
+		this.latestIPTimes = this.latestIPTimes[1:]
+	}
+
+	return false
+}

internal/firewalls/firewall_nftables_others.go

@@ -0,0 +1,61 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build !linux
+// +build !linux
+
+package firewalls
+
+import (
+	"errors"
+)
+
+func NewNFTablesFirewall() (*NFTablesFirewall, error) {
+	return nil, errors.New("not implemented")
+}
+
+type NFTablesFirewall struct {
+}
+
+// Name 名称
+func (this *NFTablesFirewall) Name() string {
+	return "nftables"
+}
+
+// IsReady 是否已准备被调用
+func (this *NFTablesFirewall) IsReady() bool {
+	return false
+}
+
+// IsMock 是否为模拟
+func (this *NFTablesFirewall) IsMock() bool {
+	return true
+}
+
+// AllowPort 允许端口
+func (this *NFTablesFirewall) AllowPort(port int, protocol string) error {
+	return nil
+}
+
+// RemovePort 删除端口
+func (this *NFTablesFirewall) RemovePort(port int, protocol string) error {
+	return nil
+}
+
+// AllowSourceIP Allow把IP加入白名单
+func (this *NFTablesFirewall) AllowSourceIP(ip string) error {
+	return nil
+}
+
+// RejectSourceIP 拒绝某个源IP连接
+func (this *NFTablesFirewall) RejectSourceIP(ip string, timeoutSeconds int) error {
+	return nil
+}
+
+// DropSourceIP 丢弃某个源IP数据
+func (this *NFTablesFirewall) DropSourceIP(ip string, timeoutSeconds int, async bool) error {
+	return nil
+}
+
+// RemoveSourceIP 删除某个源IP
+func (this *NFTablesFirewall) RemoveSourceIP(ip string) error {
+	return nil
+}

internal/firewalls/nftables/.gitignore

@@ -0,0 +1 @@
+build_remote.sh

internal/firewalls/nftables/chain.go

@@ -0,0 +1,369 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+
+package nftables
+
+import (
+	"bytes"
+	"errors"
+	nft "github.com/google/nftables"
+	"github.com/google/nftables/expr"
+)
+
+const MaxChainNameLength = 31
+
+type RuleOptions struct {
+	Exprs    []expr.Any
+	UserData []byte
+}
+
+// Chain chain object in table
+type Chain struct {
+	conn     *Conn
+	rawTable *nft.Table
+	rawChain *nft.Chain
+}
+
+func NewChain(conn *Conn, rawTable *nft.Table, rawChain *nft.Chain) *Chain {
+	return &Chain{
+		conn:     conn,
+		rawTable: rawTable,
+		rawChain: rawChain,
+	}
+}
+
+func (this *Chain) Raw() *nft.Chain {
+	return this.rawChain
+}
+
+func (this *Chain) Name() string {
+	return this.rawChain.Name
+}
+
+func (this *Chain) AddRule(options *RuleOptions) (*Rule, error) {
+	var rawRule = this.conn.Raw().AddRule(&nft.Rule{
+		Table:    this.rawTable,
+		Chain:    this.rawChain,
+		Exprs:    options.Exprs,
+		UserData: options.UserData,
+	})
+	err := this.conn.Commit()
+	if err != nil {
+		return nil, err
+	}
+	return NewRule(rawRule), nil
+}
+
+func (this *Chain) AddAcceptIPv4Rule(ip []byte, userData []byte) (*Rule, error) {
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Payload{
+				DestRegister: 1,
+				Base:         expr.PayloadBaseNetworkHeader,
+				Offset:       12,
+				Len:          4,
+			},
+			&expr.Cmp{
+				Op:       expr.CmpOpEq,
+				Register: 1,
+				Data:     ip,
+			},
+			&expr.Verdict{
+				Kind: expr.VerdictAccept,
+			},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) AddAcceptIPv6Rule(ip []byte, userData []byte) (*Rule, error) {
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Payload{
+				DestRegister: 1,
+				Base:         expr.PayloadBaseNetworkHeader,
+				Offset:       8,
+				Len:          16,
+			},
+			&expr.Cmp{
+				Op:       expr.CmpOpEq,
+				Register: 1,
+				Data:     ip,
+			},
+			&expr.Verdict{
+				Kind: expr.VerdictAccept,
+			},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) AddDropIPv4Rule(ip []byte, userData []byte) (*Rule, error) {
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Payload{
+				DestRegister: 1,
+				Base:         expr.PayloadBaseNetworkHeader,
+				Offset:       12,
+				Len:          4,
+			},
+			&expr.Cmp{
+				Op:       expr.CmpOpEq,
+				Register: 1,
+				Data:     ip,
+			},
+			&expr.Verdict{
+				Kind: expr.VerdictDrop,
+			},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) AddDropIPv6Rule(ip []byte, userData []byte) (*Rule, error) {
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Payload{
+				DestRegister: 1,
+				Base:         expr.PayloadBaseNetworkHeader,
+				Offset:       8,
+				Len:          16,
+			},
+			&expr.Cmp{
+				Op:       expr.CmpOpEq,
+				Register: 1,
+				Data:     ip,
+			},
+			&expr.Verdict{
+				Kind: expr.VerdictDrop,
+			},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) AddRejectIPv4Rule(ip []byte, userData []byte) (*Rule, error) {
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Payload{
+				DestRegister: 1,
+				Base:         expr.PayloadBaseNetworkHeader,
+				Offset:       12,
+				Len:          4,
+			},
+			&expr.Cmp{
+				Op:       expr.CmpOpEq,
+				Register: 1,
+				Data:     ip,
+			},
+			&expr.Reject{},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) AddRejectIPv6Rule(ip []byte, userData []byte) (*Rule, error) {
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Payload{
+				DestRegister: 1,
+				Base:         expr.PayloadBaseNetworkHeader,
+				Offset:       8,
+				Len:          16,
+			},
+			&expr.Cmp{
+				Op:       expr.CmpOpEq,
+				Register: 1,
+				Data:     ip,
+			},
+			&expr.Reject{},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) AddAcceptIPv4SetRule(setName string, userData []byte) (*Rule, error) {
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Payload{
+				DestRegister: 1,
+				Base:         expr.PayloadBaseNetworkHeader,
+				Offset:       12,
+				Len:          4,
+			},
+			&expr.Lookup{
+				SourceRegister: 1,
+				SetName:        setName,
+			},
+			&expr.Verdict{
+				Kind: expr.VerdictAccept,
+			},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) AddAcceptIPv6SetRule(setName string, userData []byte) (*Rule, error) {
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Payload{
+				DestRegister: 1,
+				Base:         expr.PayloadBaseNetworkHeader,
+				Offset:       8,
+				Len:          16,
+			},
+			&expr.Lookup{
+				SourceRegister: 1,
+				SetName:        setName,
+			},
+			&expr.Verdict{
+				Kind: expr.VerdictAccept,
+			},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) AddDropIPv4SetRule(setName string, userData []byte) (*Rule, error) {
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Payload{
+				DestRegister: 1,
+				Base:         expr.PayloadBaseNetworkHeader,
+				Offset:       12,
+				Len:          4,
+			},
+			&expr.Lookup{
+				SourceRegister: 1,
+				SetName:        setName,
+			},
+			&expr.Verdict{
+				Kind: expr.VerdictDrop,
+			},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) AddDropIPv6SetRule(setName string, userData []byte) (*Rule, error) {
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Payload{
+				DestRegister: 1,
+				Base:         expr.PayloadBaseNetworkHeader,
+				Offset:       8,
+				Len:          16,
+			},
+			&expr.Lookup{
+				SourceRegister: 1,
+				SetName:        setName,
+			},
+			&expr.Verdict{
+				Kind: expr.VerdictDrop,
+			},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) AddRejectIPv4SetRule(setName string, userData []byte) (*Rule, error) {
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Payload{
+				DestRegister: 1,
+				Base:         expr.PayloadBaseNetworkHeader,
+				Offset:       12,
+				Len:          4,
+			},
+			&expr.Lookup{
+				SourceRegister: 1,
+				SetName:        setName,
+			},
+			&expr.Reject{},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) AddRejectIPv6SetRule(setName string, userData []byte) (*Rule, error) {
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Payload{
+				DestRegister: 1,
+				Base:         expr.PayloadBaseNetworkHeader,
+				Offset:       8,
+				Len:          16,
+			},
+			&expr.Lookup{
+				SourceRegister: 1,
+				SetName:        setName,
+			},
+			&expr.Reject{},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) AddAcceptInterfaceRule(interfaceName string, userData []byte) (*Rule, error) {
+	if len(interfaceName) >= 16 {
+		return nil, errors.New("invalid interface name '" + interfaceName + "'")
+	}
+	var ifname = make([]byte, 16)
+	copy(ifname, interfaceName+"\x00")
+
+	return this.AddRule(&RuleOptions{
+		Exprs: []expr.Any{
+			&expr.Meta{
+				Key:      expr.MetaKeyIIFNAME,
+				Register: 1,
+			},
+			&expr.Cmp{
+				Op:       expr.CmpOpEq,
+				Register: 1,
+				Data:     ifname,
+			},
+			&expr.Verdict{
+				Kind: expr.VerdictAccept,
+			},
+		},
+		UserData: userData,
+	})
+}
+
+func (this *Chain) GetRuleWithUserData(userData []byte) (*Rule, error) {
+	rawRules, err := this.conn.Raw().GetRule(this.rawTable, this.rawChain)
+	if err != nil {
+		return nil, err
+	}
+	for _, rawRule := range rawRules {
+		if bytes.Compare(rawRule.UserData, userData) == 0 {
+			return NewRule(rawRule), nil
+		}
+	}
+	return nil, ErrRuleNotFound
+}
+
+func (this *Chain) GetRules() ([]*Rule, error) {
+	rawRules, err := this.conn.Raw().GetRule(this.rawTable, this.rawChain)
+	if err != nil {
+		return nil, err
+	}
+	var result = []*Rule{}
+	for _, rawRule := range rawRules {
+		result = append(result, NewRule(rawRule))
+	}
+	return result, nil
+}
+
+func (this *Chain) DeleteRule(rule *Rule) error {
+	err := this.conn.Raw().DelRule(rule.Raw())
+	if err != nil {
+		return err
+	}
+	return this.conn.Commit()
+}
+
+func (this *Chain) Flush() error {
+	this.conn.Raw().FlushChain(this.rawChain)
+	return this.conn.Commit()
+}

internal/firewalls/nftables/chain_policy.go

@@ -0,0 +1,14 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+
+package nftables
+
+import nft "github.com/google/nftables"
+
+type ChainPolicy = nft.ChainPolicy
+
+// Possible ChainPolicy values.
+const (
+	ChainPolicyDrop   = nft.ChainPolicyDrop
+	ChainPolicyAccept = nft.ChainPolicyAccept
+)

internal/firewalls/nftables/chain_test.go

@@ -0,0 +1,132 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+
+package nftables_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/firewalls/nftables"
+	"net"
+	"testing"
+)
+
+func getIPv4Chain(t *testing.T) *nftables.Chain {
+	conn, err := nftables.NewConn()
+	if err != nil {
+		t.Fatal(err)
+	}
+	table, err := conn.GetTable("test_ipv4", nftables.TableFamilyIPv4)
+	if err != nil {
+		if err == nftables.ErrTableNotFound {
+			table, err = conn.AddIPv4Table("test_ipv4")
+			if err != nil {
+				t.Fatal(err)
+			}
+		} else {
+			t.Fatal(err)
+		}
+	}
+
+	chain, err := table.GetChain("test_chain")
+	if err != nil {
+		if err == nftables.ErrChainNotFound {
+			chain, err = table.AddAcceptChain("test_chain")
+		}
+	}
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	return chain
+}
+
+func TestChain_AddAcceptIPRule(t *testing.T) {
+	var chain = getIPv4Chain(t)
+	_, err := chain.AddAcceptIPv4Rule(net.ParseIP("192.168.2.40").To4(), nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestChain_AddDropIPRule(t *testing.T) {
+	var chain = getIPv4Chain(t)
+	_, err := chain.AddDropIPv4Rule(net.ParseIP("192.168.2.31").To4(), nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestChain_AddAcceptSetRule(t *testing.T) {
+	var chain = getIPv4Chain(t)
+	_, err := chain.AddAcceptIPv4SetRule("ipv4_black_set", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestChain_AddDropSetRule(t *testing.T) {
+	var chain = getIPv4Chain(t)
+	_, err := chain.AddDropIPv4SetRule("ipv4_black_set", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestChain_AddRejectSetRule(t *testing.T) {
+	var chain = getIPv4Chain(t)
+	_, err := chain.AddRejectIPv4SetRule("ipv4_black_set", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestChain_GetRuleWithUserData(t *testing.T) {
+	var chain = getIPv4Chain(t)
+	rule, err := chain.GetRuleWithUserData([]byte("test"))
+	if err != nil {
+		if err == nftables.ErrRuleNotFound {
+			t.Log("rule not found")
+			return
+		} else {
+			t.Fatal(err)
+		}
+	}
+	t.Log("rule:", rule)
+}
+
+func TestChain_GetRules(t *testing.T) {
+	var chain = getIPv4Chain(t)
+	rules, err := chain.GetRules()
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, rule := range rules {
+		t.Log("handle:", rule.Handle(), "set name:", rule.LookupSetName(),
+			"verdict:", rule.VerDict(), "user data:", string(rule.UserData()))
+	}
+}
+
+func TestChain_DeleteRule(t *testing.T) {
+	var chain = getIPv4Chain(t)
+	rule, err := chain.GetRuleWithUserData([]byte("test"))
+	if err != nil {
+		if err == nftables.ErrRuleNotFound {
+			t.Log("rule not found")
+			return
+		}
+		t.Fatal(err)
+	}
+	err = chain.DeleteRule(rule)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestChain_Flush(t *testing.T) {
+	var chain = getIPv4Chain(t)
+	err := chain.Flush()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}

internal/firewalls/nftables/conn.go

@@ -0,0 +1,87 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+
+package nftables
+
+import (
+	"errors"
+	nft "github.com/google/nftables"
+	"github.com/iwind/TeaGo/types"
+)
+
+const MaxTableNameLength = 27
+
+type Conn struct {
+	rawConn *nft.Conn
+}
+
+func NewConn() (*Conn, error) {
+	conn, err := nft.New()
+	if err != nil {
+		return nil, err
+	}
+	return &Conn{
+		rawConn: conn,
+	}, nil
+}
+
+func (this *Conn) Raw() *nft.Conn {
+	return this.rawConn
+}
+
+func (this *Conn) GetTable(name string, family TableFamily) (*Table, error) {
+	rawTables, err := this.rawConn.ListTables()
+	if err != nil {
+		return nil, err
+	}
+
+	for _, rawTable := range rawTables {
+		if rawTable.Name == name && rawTable.Family == family {
+			return NewTable(this, rawTable), nil
+		}
+	}
+
+	return nil, ErrTableNotFound
+}
+
+func (this *Conn) AddTable(name string, family TableFamily) (*Table, error) {
+	if len(name) > MaxTableNameLength {
+		return nil, errors.New("table name too long (max " + types.String(MaxTableNameLength) + ")")
+	}
+
+	var rawTable = this.rawConn.AddTable(&nft.Table{
+		Family: family,
+		Name:   name,
+	})
+
+	err := this.Commit()
+	if err != nil {
+		return nil, err
+	}
+
+	return NewTable(this, rawTable), nil
+}
+
+func (this *Conn) AddIPv4Table(name string) (*Table, error) {
+	return this.AddTable(name, TableFamilyIPv4)
+}
+
+func (this *Conn) AddIPv6Table(name string) (*Table, error) {
+	return this.AddTable(name, TableFamilyIPv6)
+}
+
+func (this *Conn) DeleteTable(name string, family TableFamily) error {
+	table, err := this.GetTable(name, family)
+	if err != nil {
+		if err == ErrTableNotFound {
+			return nil
+		}
+		return err
+	}
+	this.rawConn.DelTable(table.Raw())
+	return this.Commit()
+}
+
+func (this *Conn) Commit() error {
+	return this.rawConn.Flush()
+}

internal/firewalls/nftables/conn_test.go

@@ -0,0 +1,79 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+// +build linux
+
+package nftables_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/firewalls/nftables"
+	executils "github.com/TeaOSLab/EdgeNode/internal/utils/exec"
+	"os/exec"
+	"testing"
+)
+
+func TestConn_Test(t *testing.T) {
+	_, err := executils.LookPath("nft")
+	if err == nil {
+		t.Log("ok")
+		return
+	}
+	t.Log(err)
+}
+
+func TestConn_GetTable_NotFound(t *testing.T) {
+	var conn = nftables.NewConn()
+
+	table, err := conn.GetTable("a", nftables.TableFamilyIPv4)
+	if err != nil {
+		if err == nftables.ErrTableNotFound {
+			t.Log("table not found")
+		} else {
+			t.Fatal(err)
+		}
+	} else {
+		t.Log("table:", table)
+	}
+}
+
+func TestConn_GetTable(t *testing.T) {
+	var conn = nftables.NewConn()
+
+	table, err := conn.GetTable("myFilter", nftables.TableFamilyIPv4)
+	if err != nil {
+		if err == nftables.ErrTableNotFound {
+			t.Log("table not found")
+		} else {
+			t.Fatal(err)
+		}
+	} else {
+		t.Log("table:", table)
+	}
+}
+
+func TestConn_AddTable(t *testing.T) {
+	var conn = nftables.NewConn()
+
+	{
+		table, err := conn.AddIPv4Table("test_ipv4")
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log(table.Name())
+	}
+	{
+		table, err := conn.AddIPv6Table("test_ipv6")
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log(table.Name())
+	}
+}
+
+func TestConn_DeleteTable(t *testing.T) {
+	var conn = nftables.NewConn()
+	err := conn.DeleteTable("test_ipv4", nftables.TableFamilyIPv4)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}

internal/firewalls/nftables/element.go

@@ -0,0 +1,8 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+// +build linux
+
+package nftables
+
+type Element struct {
+}

internal/firewalls/nftables/errors.go

@@ -0,0 +1,22 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+// +build linux
+
+package nftables
+
+import (
+	"errors"
+	"strings"
+)
+
+var ErrTableNotFound = errors.New("table not found")
+var ErrChainNotFound = errors.New("chain not found")
+var ErrSetNotFound = errors.New("set not found")
+var ErrRuleNotFound = errors.New("rule not found")
+
+func IsNotFound(err error) bool {
+	if err == nil {
+		return false
+	}
+	return err == ErrTableNotFound || err == ErrChainNotFound || err == ErrSetNotFound || err == ErrRuleNotFound || strings.Contains(err.Error(), "no such file or directory")
+}

internal/firewalls/nftables/expration.go

@@ -0,0 +1,65 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package nftables
+
+import (
+	"sync"
+	"time"
+)
+
+type Expiration struct {
+	m map[string]time.Time // key => expires time
+
+	lastGCAt int64
+
+	locker sync.RWMutex
+}
+
+func NewExpiration() *Expiration {
+	return &Expiration{
+		m: map[string]time.Time{},
+	}
+}
+
+func (this *Expiration) AddUnsafe(key []byte, expires time.Time) {
+	this.m[string(key)] = expires
+}
+
+func (this *Expiration) Add(key []byte, expires time.Time) {
+	this.locker.Lock()
+	this.m[string(key)] = expires
+	this.gc()
+	this.locker.Unlock()
+}
+
+func (this *Expiration) Remove(key []byte) {
+	this.locker.Lock()
+	delete(this.m, string(key))
+	this.locker.Unlock()
+}
+
+func (this *Expiration) Contains(key []byte) bool {
+	this.locker.RLock()
+	expires, ok := this.m[string(key)]
+	if ok && expires.Year() > 2000 && time.Now().After(expires) {
+		ok = false
+	}
+	this.locker.RUnlock()
+	return ok
+}
+
+func (this *Expiration) gc() {
+	// we won't gc too frequently
+	var currentTime = time.Now().Unix()
+	if this.lastGCAt >= currentTime {
+		return
+	}
+	this.lastGCAt = currentTime
+
+	var now = time.Now().Add(-10 * time.Second) // gc elements expired before 10 seconds ago
+	for key, expires := range this.m {
+		if expires.Year() > 2000 && now.After(expires) {
+			delete(this.m, key)
+		}
+	}
+}