优化代码

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
@@ -36,23 +36,28 @@ function build() {
 	ZIP="${NAME}-${OS}-${ARCH}-${TAG}-v${VERSION}.zip"
 
 	echo "copying ..."
-	if [ ! -d $DIST ]; then
+	if [ ! -d "$DIST" ]; then
-		mkdir $DIST
+		mkdir "$DIST"
-		mkdir $DIST/bin
+		mkdir "$DIST"/bin
-		mkdir $DIST/configs
+		mkdir "$DIST"/configs
-		mkdir $DIST/logs
+		mkdir "$DIST"/logs
-		mkdir $DIST/data
+		mkdir "$DIST"/data
+
+		if [ "$TAG" = "plus" ]; then
+			mkdir "$DIST"/scripts
+			mkdir "$DIST"/scripts/js
+		fi
 	fi
 
-	cp $ROOT/configs/api.template.yaml $DIST/configs
+	cp "$ROOT"/configs/api.template.yaml "$DIST"/configs
-	cp -R $ROOT/www $DIST/
+	cp -R "$ROOT"/www "$DIST"/
-	cp -R $ROOT/pages $DIST/
+	cp -R "$ROOT"/pages "$DIST"/
-	cp -R $ROOT/resources $DIST/
+	cp -R "$ROOT"/resources "$DIST"/
 
 	# we support TOA on linux/amd64 only
-	if [ $OS == "linux" -a $ARCH == "amd64" ]
+	if [ "$OS" == "linux" -a "$ARCH" == "amd64" ]
 	then
-		cp -R $ROOT/edge-toa $DIST
+		cp -R "$ROOT"/edge-toa "$DIST"
 	fi
 
 	echo "building ..."
@@ -107,14 +112,14 @@ 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" $ROOT/../cmd/edge-node/main.go
+		env GOOS="${OS}" GOARCH="${ARCH}" CGO_ENABLED=1 go build -trimpath -tags $TAG -o "$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 ".DS_Store" -delete
-	find $DIST -name ".gitignore" -delete
+	find "$DIST" -name ".gitignore" -delete
 
 	echo "zip files"
 	cd "${DIST}/../" || exit
@@ -130,15 +135,15 @@ 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"

cmd/edge-node/main.go

@@ -22,7 +22,7 @@ func main() {
 	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")
 
@@ -258,6 +258,53 @@ 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.Run(func() {
 		node := nodes.NewNode()
 		node.Start()

dist/.gitignore

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

go.mod

@@ -1,6 +1,6 @@
 module github.com/TeaOSLab/EdgeNode
 
-go 1.15
+go 1.18
 
 replace (
 	github.com/TeaOSLab/EdgeCommon => ../EdgeCommon
@@ -11,26 +11,51 @@ require (
 	github.com/andybalholm/brotli v1.0.4
 	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/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/iwind/gofcgi v0.0.0-20210528023741-a92711d45f11
-	github.com/iwind/gosock v0.0.0-20210722083328-12b2d66abec3
+	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/klauspost/compress v1.15.8
-	github.com/kr/text v0.2.0 // indirect
 	github.com/mattn/go-sqlite3 v1.14.9
+	github.com/mdlayher/netlink v1.4.2
 	github.com/miekg/dns v1.1.43
 	github.com/mssola/user_agent v0.5.3
 	github.com/pires/go-proxyproto v0.6.1
 	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 v0.0.0-20220319134239-a9b59b0215f8
+	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
 )
+
+require (
+	github.com/BurntSushi/toml v0.4.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/chai2010/webp v1.1.0 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
+	github.com/google/go-cmp v0.5.7 // indirect
+	github.com/josharian/native v0.0.0-20200817173448-b6b71def0850 // indirect
+	github.com/jsummers/gobmp v0.0.0-20151104160322-e2ba15ffa76e // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
+	github.com/mdlayher/socket v0.0.0-20211102153432-57e3fa563ecb // indirect
+	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // 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/mod v0.5.1 // indirect
+	golang.org/x/tools v0.1.8 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	google.golang.org/genproto v0.0.0-20220317150908-0efb43f6373e // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+	honnef.co/go/tools v0.2.2 // indirect
+)

go.sum

@@ -2,6 +2,8 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 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=
@@ -15,10 +17,13 @@ github.com/biessek/golang-ico v0.0.0-20180326222316-d348d9ea4670/go.mod h1:iRWAF
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
-github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
+github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chai2010/webp v1.1.0 h1:4Ei0/BRroMF9FaXDG2e4OxwFcuW2vcXd+A6tyqTJUQQ=
 github.com/chai2010/webp v1.1.0/go.mod h1:LP12PG5IFmLGHUU26tBiCBKnghxx3toZFwDjOYvd3Ow=
+github.com/cilium/ebpf v0.5.0/go.mod h1:4tRaxcgiL706VnOzHOdBlY8IEAIdxINsQBcU4xJJXRs=
+github.com/cilium/ebpf v0.7.0/go.mod h1:/oI2+1shJiTGAMgl6/RgJr36Eo1jzrRcAWbcXO2usCA=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
@@ -33,21 +38,22 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f h1:q/DpyjJjZs94bziQ7YkBmIlpqbVP7yw179rnzoNVX1M=
 github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f/go.mod h1:QGrK8vMWWHQYQ3QU9bw9Y9OPNfxccGzfb41qjvVeXtY=
 github.com/dgryski/go-rendezvous v0.0.0-20200624174652-8d2f3be8b2d9/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
+github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
+github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/frankban/quicktest v1.11.3/go.mod h1:wRf/ReqHper53s+kmmSZizM8NamnL3IM0I9ntUbOk+k=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/fsnotify/fsnotify v1.5.1 h1:mZcQUHVQUQWoPXXtuf9yuEXKudkV2sx1E06UadKWpgI=
-github.com/fsnotify/fsnotify v1.5.1/go.mod h1:T3375wBYaZdLLcVNkcVbzGHY7f1l/uK5T5Ai1i3InKU=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 github.com/go-redis/redis/v8 v8.0.0-beta.7/go.mod h1:FGJAWDWFht1sQ4qxyJHZZbVyvnVcKQN0E3u5/5lRz+g=
+github.com/go-redis/redis/v8 v8.11.5 h1:AcZZR7igkdvfVmQTPnu9WE37LRrO/YrBH5zWyjDC0oI=
+github.com/go-redis/redis/v8 v8.11.5/go.mod h1:gREzHqY1hg6oD9ngVRbLStwAWKhA0FEgq8Jd4h5lpwo=
 github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
 github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
@@ -71,11 +77,15 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
 github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
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@@ -83,13 +93,29 @@ github.com/iwind/TeaGo v0.0.0-20220304043459-0dd944a5b475 h1:EseyfFaQOjWanGiby9K
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@@ -101,6 +127,27 @@ github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 h1:6E+4a0GO5zZEnZ
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@@ -109,13 +156,16 @@ github.com/mssola/user_agent v0.5.3 h1:lBRPML9mdFuIZgI2cmlQ+atbpJdLdeVl2IDodjBR5
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@@ -139,6 +189,11 @@ github.com/tklauser/go-sysconf v0.3.9 h1:JeUVdAOWhhxVcU6Eqr/ATFHgXk/mmiItdKeJPev
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@@ -159,6 +214,10 @@ golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHl
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@@ -167,11 +226,27 @@ golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73r
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@@ -180,37 +255,54 @@ golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -223,7 +315,13 @@ golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGm
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+golang.org/x/tools v0.1.7/go.mod h1:LGqMHiF4EqQNHR1JncWGqT5BVaXmza+X+BDGol+dOxo=
+golang.org/x/tools v0.1.8 h1:P1HhGGuLW4aAclzjtmJdf0mJOjVUZUzOTqkAkWL+l6w=
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 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
@@ -235,8 +333,6 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20191009194640-548a555dbc03/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20220303160752-862486edd9cc h1:fb/ViRpv3ln/LvbqZtTpoOd1YQDNH12gaGZreoSFovE=
-google.golang.org/genproto v0.0.0-20220303160752-862486edd9cc/go.mod h1:kGP+zUP2Ddo0ayMi4YuN7C3WZyJvGLZRh8Z5wnAqvEI=
 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=
@@ -246,8 +342,6 @@ google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8
 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 v1.44.0 h1:weqSxi/TMs1SqFRMHCtBgXRs8k3X39QIDEZ0pRcttUg=
-google.golang.org/grpc v1.44.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
 google.golang.org/grpc v1.45.0 h1:NEpgUqV3Z+ZjkqMsxMg11IaDrXY4RY6CQukSGK0uI1M=
 google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
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@@ -269,6 +363,7 @@ gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8
 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/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=
@@ -276,8 +371,12 @@ 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 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 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=

internal/apps/app_cmd.go

@@ -213,7 +213,19 @@ func (this *AppCmd) runStop() {
 		return
 	}
 
-	_, _ = this.sock.Send(&gosock.Command{Code: "stop"})
+	// 从systemd中停止
+	if runtime.GOOS == "linux" {
+		systemctl, _ := exec.LookPath("systemctl")
+		if len(systemctl) > 0 {
+			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()
+			}()
+		}
+	}
+
+	// 如果仍在运行，则发送停止指令
+	_, _ = this.sock.SendTimeout(&gosock.Command{Code: "stop"}, 1*time.Second)
 
 	fmt.Println(this.product+" stopped ok, pid:", types.String(pid))
 }

internal/apps/log_writer.go

@@ -1,10 +1,12 @@
 package apps
 
 import (
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/sizes"
 	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/files"
-	"github.com/iwind/TeaGo/logs"
+	timeutil "github.com/iwind/TeaGo/utils/time"
-	"github.com/iwind/TeaGo/utils/time"
 	"log"
 	"os"
 	"runtime"
@@ -13,27 +15,55 @@ import (
 )
 
 type LogWriter struct {
-	fileAppender *files.Appender
+	fp *os.File
+	c  chan string
 }
 
 func (this *LogWriter) Init() {
 	// 创建目录
-	dir := files.NewFile(Tea.LogDir())
+	var dir = files.NewFile(Tea.LogDir())
 	if !dir.Exists() {
 		err := dir.Mkdir()
 		if err != nil {
-			log.Println("[error]" + err.Error())
+			log.Println("[LOG]create log dir failed: " + err.Error())
 		}
 	}
 
-	logFile := files.NewFile(Tea.LogFile("run.log"))
-
 	// 打开要写入的日志文件
-	appender, err := logFile.Appender()
+	var logPath = Tea.LogFile("run.log")
+	fp, err := os.OpenFile(logPath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
 	if err != nil {
-		logs.Error(err)
+		log.Println("[LOG]open log file failed: " + err.Error())
 	} else {
-		this.fileAppender = appender
+		this.fp = fp
+	}
+
+	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
+	if fp != nil {
+		goman.New(func() {
+			var totalSize int64 = 0
+			stat, err := fp.Stat()
+			if err == nil {
+				totalSize = stat.Size()
+			}
+
+			for message := range this.c {
+				totalSize += int64(len(message))
+				_, err := fp.WriteString(timeutil.Format("Y/m/d H:i:s ") + message + "\n")
+				if err != nil {
+					log.Println("[LOG]write log failed: " + err.Error())
+				} else {
+					// 如果太大则Truncate
+					if totalSize > maxFileSize {
+						_ = fp.Truncate(0)
+						totalSize = 0
+					}
+				}
+			}
+		})
 	}
 }
 
@@ -48,7 +78,7 @@ func (this *LogWriter) Write(message string) {
 			var ok bool
 			_, file, line, ok = runtime.Caller(callDepth)
 			if ok {
-				file = this.packagePath(file)
+				file = utils.RemoveWorkspace(this.packagePath(file))
 			}
 		}
 
@@ -59,18 +89,15 @@ func (this *LogWriter) Write(message string) {
 		}
 	}
 
-	if this.fileAppender != nil {
+	this.c <- message
-		_, err := this.fileAppender.AppendString(timeutil.Format("Y/m/d H:i:s ") + message + "\n")
-		if err != nil {
-			log.Println("[error]" + err.Error())
-		}
-	}
 }
 
 func (this *LogWriter) Close() {
-	if this.fileAppender != nil {
+	if this.fp != nil {
-		_ = this.fileAppender.Close()
+		_ = this.fp.Close()
 	}
+
+	close(this.c)
 }
 
 func (this *LogWriter) packagePath(path string) string {

internal/caches/errors.go

@@ -12,6 +12,7 @@ var (
 	ErrEntityTooLarge     = errors.New("entity too large")
 	ErrWritingUnavailable = errors.New("writing unavailable")
 	ErrWritingQueueFull   = errors.New("writing queue full")
+	ErrTooManyOpenFiles   = errors.New("too many open files")
 )
 
 // CapacityError 容量错误
@@ -36,7 +37,8 @@ func CanIgnoreErr(err error) bool {
 	if err == ErrFileIsWriting ||
 		err == ErrEntityTooLarge ||
 		err == ErrWritingUnavailable ||
-		err == ErrWritingQueueFull {
+		err == ErrWritingQueueFull ||
+		err == ErrTooManyOpenFiles {
 		return true
 	}
 	_, ok := err.(*CapacityError)

internal/caches/list_file_db.go

@@ -58,6 +58,7 @@ func (this *FileListDB) Open(dbPath string) error {
 	writeDB.SetMaxOpenConns(1)
 
 	// 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
 	/**_, err = db.Exec("VACUUM")
 	if err != nil {
 		return err
@@ -109,7 +110,7 @@ func (this *FileListDB) Init() error {
 	this.total = total
 
 	// 常用语句
-	this.existsByHashStmt, err = this.readDB.Prepare(`SELECT "expiredAt" FROM "` + this.itemsTableName + `" WHERE "hash"=? AND expiredAt>? LIMIT 1`)
+	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
 	}
@@ -354,7 +355,7 @@ func (this *FileListDB) Close() error {
 func (this *FileListDB) initTables(times int) error {
 	{
 		// expiredAt - 过期时间，用来判断有无过期
-		// staleAt - 陈旧最大时间，用来清理缓存
+		// staleAt - 过时缓存最大时间，用来清理缓存
 		_, err := this.writeDB.Exec(`CREATE TABLE IF NOT EXISTS "` + this.itemsTableName + `" (
   "id" integer NOT NULL PRIMARY KEY AUTOINCREMENT,
   "hash" varchar(32),
@@ -370,15 +371,9 @@ func (this *FileListDB) initTables(times int) error {
   "serverId" integer
 );
 
-CREATE INDEX IF NOT EXISTS "createdAt"
+DROP INDEX IF EXISTS "createdAt";
-ON "` + this.itemsTableName + `" (
+DROP INDEX IF EXISTS "expiredAt";
-  "createdAt" ASC
+DROP INDEX IF EXISTS "serverId";
-);
-
-CREATE INDEX IF NOT EXISTS "expiredAt"
-ON "` + this.itemsTableName + `" (
-  "expiredAt" ASC
-);
 
 CREATE INDEX IF NOT EXISTS "staleAt"
 ON "` + this.itemsTableName + `" (
@@ -389,11 +384,6 @@ CREATE UNIQUE INDEX IF NOT EXISTS "hash"
 ON "` + this.itemsTableName + `" (
   "hash" ASC
 );
-
-CREATE INDEX IF NOT EXISTS "serverId"
-ON "` + this.itemsTableName + `" (
-  "serverId" ASC
-);
 `)
 
 		if err != nil {

internal/caches/manager.go

@@ -61,7 +61,7 @@ func (this *Manager) UpdatePolicies(newPolicies []*serverconfigs.HTTPCachePolicy
 	// 停止旧有的
 	for _, oldPolicy := range this.policyMap {
 		if !lists.ContainsInt64(newPolicyIds, oldPolicy.Id) {
-			remotelogs.Error("CACHE", "remove policy "+strconv.FormatInt(oldPolicy.Id, 10))
+			remotelogs.Println("CACHE", "remove policy "+strconv.FormatInt(oldPolicy.Id, 10))
 			delete(this.policyMap, oldPolicy.Id)
 			storage, ok := this.storageMap[oldPolicy.Id]
 			if ok {
@@ -214,3 +214,15 @@ 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/max_open_files.go

@@ -0,0 +1,52 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package caches
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"sync/atomic"
+	"time"
+)
+
+const (
+	modeSlow int32 = 1
+	modeFast int32 = 2
+)
+
+// MaxOpenFiles max open files manager
+type MaxOpenFiles struct {
+	ticker *time.Ticker
+	mode   int32
+}
+
+func NewMaxOpenFiles() *MaxOpenFiles {
+	var f = &MaxOpenFiles{}
+	f.ticker = time.NewTicker(1 * time.Second)
+	f.init()
+	return f
+}
+
+func (this *MaxOpenFiles) init() {
+	goman.New(func() {
+		for range this.ticker.C {
+			// reset mode
+			atomic.StoreInt32(&this.mode, modeFast)
+		}
+	})
+}
+
+func (this *MaxOpenFiles) Fast() {
+	atomic.AddInt32(&this.mode, modeFast)
+}
+
+func (this *MaxOpenFiles) FinishAll() {
+	this.Fast()
+}
+
+func (this *MaxOpenFiles) Slow() {
+	atomic.StoreInt32(&this.mode, modeSlow)
+}
+
+func (this *MaxOpenFiles) Next() bool {
+	return atomic.LoadInt32(&this.mode) != modeSlow
+}

internal/caches/max_open_files_test.go

@@ -0,0 +1,35 @@
+// 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"
+	"testing"
+	"time"
+)
+
+func TestNewMaxOpenFiles(t *testing.T) {
+	var maxOpenFiles = caches.NewMaxOpenFiles()
+	maxOpenFiles.Fast()
+	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())
+
+	time.Sleep(1 * time.Second)
+	t.Log("slow 1 second:", maxOpenFiles.Next())
+
+	maxOpenFiles.Slow()
+	t.Log("slow:", maxOpenFiles.Next())
+
+	maxOpenFiles.Fast()
+	t.Log("fast:", maxOpenFiles.Next())
+}

internal/caches/open_file.go

@@ -14,11 +14,12 @@ type OpenFile struct {
 	version int64
 }
 
-func NewOpenFile(fp *os.File, meta []byte, header []byte) *OpenFile {
+func NewOpenFile(fp *os.File, meta []byte, header []byte, version int64) *OpenFile {
 	return &OpenFile{
-		fp:     fp,
+		fp:      fp,
-		meta:   meta,
+		meta:    meta,
-		header: header,
+		header:  header,
+		version: version,
 	}
 }
 

internal/caches/open_file_cache.go

@@ -9,6 +9,7 @@ import (
 	"github.com/iwind/TeaGo/logs"
 	"github.com/iwind/TeaGo/types"
 	"path/filepath"
+	"runtime"
 	"sync"
 	"time"
 )
@@ -43,7 +44,7 @@ func NewOpenFileCache(maxSize int) (*OpenFileCache, error) {
 
 	goman.New(func() {
 		for event := range watcher.Events {
-			if event.Op&fsnotify.Chmod != fsnotify.Chmod {
+			if runtime.GOOS == "linux" || event.Op&fsnotify.Chmod != fsnotify.Chmod {
 				cache.Close(event.Name)
 			}
 		}
@@ -77,6 +78,7 @@ func (this *OpenFileCache) Put(filename string, file *OpenFile) {
 	} else {
 		_ = this.watcher.Add(filename)
 		pool = NewOpenFilePool(filename)
+		pool.version = file.version
 		this.poolMap[filename] = pool
 		success = pool.Put(file)
 	}

internal/caches/open_file_pool.go

@@ -45,7 +45,7 @@ func (this *OpenFilePool) Get() (*OpenFile, bool) {
 }
 
 func (this *OpenFilePool) Put(file *OpenFile) bool {
-	if file.version > 0 && file.version != this.version {
+	if this.version > 0 && file.version > 0 && file.version != this.version {
 		_ = file.Close()
 		return false
 	}

internal/caches/open_file_pool_test.go

@@ -11,7 +11,7 @@ func TestOpenFilePool_Get(t *testing.T) {
 	var pool = caches.NewOpenFilePool("a")
 	t.Log(pool.Filename())
 	t.Log(pool.Get())
-	t.Log(pool.Put(caches.NewOpenFile(nil, nil, []byte{})))
+	t.Log(pool.Put(caches.NewOpenFile(nil, nil, nil, 0)))
 	t.Log(pool.Get())
 	t.Log(pool.Get())
 }

internal/caches/reader_file.go

@@ -67,17 +67,17 @@ func (this *FileReader) InitAutoDiscard(autoDiscard bool) error {
 
 	this.expiresAt = int64(binary.BigEndian.Uint32(buf[:SizeExpiresAt]))
 
-	status := types.Int(string(buf[SizeExpiresAt : SizeExpiresAt+SizeStatus]))
+	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[SizeExpiresAt+SizeStatus : SizeExpiresAt+SizeStatus+SizeURLLength])
+	urlLength := binary.BigEndian.Uint32(buf[OffsetURLLength : OffsetURLLength+SizeURLLength])
 
 	// header
-	headerSize := int(binary.BigEndian.Uint32(buf[SizeExpiresAt+SizeStatus+SizeURLLength : SizeExpiresAt+SizeStatus+SizeURLLength+SizeHeaderLength]))
+	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[SizeExpiresAt+SizeStatus+SizeURLLength+SizeHeaderLength : SizeExpiresAt+SizeStatus+SizeURLLength+SizeHeaderLength+SizeBodyLength]))
+	bodySize := int(binary.BigEndian.Uint64(buf[OffsetBodyLength : OffsetBodyLength+SizeBodyLength]))
 	if bodySize == 0 {
 		isOk = true
 		return nil
@@ -338,6 +338,11 @@ func (this *FileReader) ContainsRange(r rangeutils.Range) (r2 rangeutils.Range,
 	return r, true
 }
 
+// FP 原始的文件句柄
+func (this *FileReader) FP() *os.File {
+	return this.fp
+}
+
 func (this *FileReader) Close() error {
 	if this.openFileCache != nil {
 		if this.isClosed {
@@ -348,7 +353,9 @@ func (this *FileReader) Close() error {
 		if this.openFile != nil {
 			this.openFileCache.Put(this.fp.Name(), this.openFile)
 		} else {
-			this.openFileCache.Put(this.fp.Name(), NewOpenFile(this.fp, this.meta, this.header))
+			var cacheMeta = make([]byte, len(this.meta))
+			copy(cacheMeta, this.meta)
+			this.openFileCache.Put(this.fp.Name(), NewOpenFile(this.fp, cacheMeta, this.header, this.LastModified()))
 		}
 		return nil
 	}
@@ -367,5 +374,12 @@ func (this *FileReader) readToBuff(fp *os.File, buf []byte) (ok bool, err error)
 func (this *FileReader) discard() error {
 	_ = this.fp.Close()
 	this.isClosed = true
+
+	// close open file cache
+	if this.openFileCache != nil {
+		this.openFileCache.Close(this.fp.Name())
+	}
+
+	// remove file
 	return os.Remove(this.fp.Name())
 }

internal/caches/reader_memory.go

@@ -25,7 +25,7 @@ func (this *MemoryReader) TypeName() string {
 }
 
 func (this *MemoryReader) ExpiresAt() int64 {
-	return this.item.ExpiredAt
+	return this.item.ExpiresAt
 }
 
 func (this *MemoryReader) Status() int {

internal/caches/reader_memory_test.go

@@ -4,7 +4,7 @@ import "testing"
 
 func TestMemoryReader_Header(t *testing.T) {
 	item := &MemoryItem{
-		ExpiredAt:   0,
+		ExpiresAt:   0,
 		HeaderValue: []byte("0123456789"),
 		BodyValue:   nil,
 		Status:      2000,
@@ -22,7 +22,7 @@ func TestMemoryReader_Header(t *testing.T) {
 
 func TestMemoryReader_Body(t *testing.T) {
 	item := &MemoryItem{
-		ExpiredAt:   0,
+		ExpiresAt:   0,
 		HeaderValue: nil,
 		BodyValue:   []byte("0123456789"),
 		Status:      2000,
@@ -40,7 +40,7 @@ func TestMemoryReader_Body(t *testing.T) {
 
 func TestMemoryReader_Body_Range(t *testing.T) {
 	item := &MemoryItem{
-		ExpiredAt:   0,
+		ExpiresAt:   0,
 		HeaderValue: nil,
 		BodyValue:   []byte("0123456789"),
 		Status:      2000,

internal/caches/storage_file.go

@@ -37,24 +37,36 @@ import (
 )
 
 const (
-	SizeExpiresAt    = 4
+	SizeExpiresAt      = 4
-	SizeStatus       = 3
+	OffsetExpiresAt    = 0
-	SizeURLLength    = 4
+	SizeStatus         = 3
-	SizeHeaderLength = 4
+	OffsetStatus       = SizeExpiresAt
-	SizeBodyLength   = 8
+	SizeURLLength      = 4
+	OffsetURLLength    = OffsetStatus + SizeStatus
+	SizeHeaderLength   = 4
+	OffsetHeaderLength = OffsetURLLength + SizeURLLength
+	SizeBodyLength     = 8
+	OffsetBodyLength   = OffsetHeaderLength + SizeHeaderLength
 
-	SizeMeta = SizeExpiresAt + SizeStatus + SizeURLLength + SizeHeaderLength + SizeBodyLength
+	SizeMeta  = SizeExpiresAt + SizeStatus + SizeURLLength + SizeHeaderLength + SizeBodyLength
+	OffsetKey = SizeMeta
 )
 
 const (
-	HotItemSize               = 1024         // 热点数据数量
+	FileStorageMaxIgnoreKeys       = 32768        // 最大可忽略的键值数（尺寸过大的键值）
-	HotItemLifeSeconds  int64 = 3600         // 热点数据生命周期
+	HotItemSize                    = 1024         // 热点数据数量
-	FileToMemoryMaxSize int64 = 32 * sizes.M // 可以从文件写入到内存的最大文件尺寸
+	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"
 )
 
 var sharedWritingFileKeyMap = map[string]zero.Zero{} // key => bool
 var sharedWritingFileKeyLocker = sync.Mutex{}
 
+var maxOpenFiles = NewMaxOpenFiles()
+
+const maxOpenFilesSlowCost = 500 * time.Microsecond // 0.5ms
+
 // FileStorage 文件缓存
 //   文件结构：
 //    [expires time] | [ status ] | [url length] | [header length] | [body length] | [url] [header data] [body data]
@@ -83,7 +95,7 @@ func NewFileStorage(policy *serverconfigs.HTTPCachePolicy) *FileStorage {
 		policy:      policy,
 		hotMap:      map[string]*HotItem{},
 		lastHotSize: -1,
-		ignoreKeys:  setutils.NewFixedSet(32768),
+		ignoreKeys:  setutils.NewFixedSet(FileStorageMaxIgnoreKeys),
 	}
 }
 
@@ -244,14 +256,14 @@ func (this *FileStorage) Init() error {
 		var count = stat.Count
 		var size = stat.Size
 
-		cost := time.Since(before).Seconds() * 1000
+		var cost = time.Since(before).Seconds() * 1000
 		sizeMB := strconv.FormatInt(size, 10) + " Bytes"
-		if size > 1024*1024*1024 {
+		if size > 1*sizes.G {
-			sizeMB = fmt.Sprintf("%.3f G", float64(size)/1024/1024/1024)
+			sizeMB = fmt.Sprintf("%.3f G", float64(size)/float64(sizes.G))
-		} else if size > 1024*1024 {
+		} else if size > 1*sizes.M {
-			sizeMB = fmt.Sprintf("%.3f M", float64(size)/1024/1024)
+			sizeMB = fmt.Sprintf("%.3f M", float64(size)/float64(sizes.M))
-		} else if size > 1024 {
+		} else if size > 1*sizes.K {
-			sizeMB = fmt.Sprintf("%.3f K", float64(size)/1024)
+			sizeMB = fmt.Sprintf("%.3f K", float64(size)/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)
 	}()
@@ -368,7 +380,16 @@ 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, expiredAt int64, status int, size int64, maxSize int64, isPartial bool) (Writer, error) {
+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)
+}
+
+// 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) openWriter(key string, expiredAt int64, status int, size int64, maxSize int64, isPartial bool, isFlushing bool) (Writer, error) {
 	// 是否正在退出
 	if teaconst.IsQuiting {
 		return nil, ErrWritingUnavailable
@@ -386,7 +407,7 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int, siz
 		maxMemorySize = maxSize
 	}
 	var memoryStorage = this.memoryStorage
-	if !isPartial && memoryStorage != nil && ((size > 0 && size < maxMemorySize) || size < 0) {
+	if !isFlushing && !isPartial && memoryStorage != nil && ((size > 0 && size < maxMemorySize) || size < 0) {
 		writer, err := memoryStorage.OpenWriter(key, expiredAt, status, size, maxMemorySize, false)
 		if err == nil {
 			return writer, nil
@@ -406,12 +427,21 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int, siz
 		sharedWritingFileKeyLocker.Unlock()
 		return nil, ErrFileIsWriting
 	}
+
+	if !isFlushing && !maxOpenFiles.Next() {
+		sharedWritingFileKeyLocker.Unlock()
+		return nil, ErrTooManyOpenFiles
+	}
+
 	sharedWritingFileKeyMap[key] = zero.New()
 	sharedWritingFileKeyLocker.Unlock()
 	defer func() {
 		if !isOk {
 			sharedWritingFileKeyLocker.Lock()
 			delete(sharedWritingFileKeyMap, key)
+			if len(sharedWritingFileKeyMap) == 0 {
+				maxOpenFiles.FinishAll()
+			}
 			sharedWritingFileKeyLocker.Unlock()
 		}
 	}()
@@ -430,6 +460,8 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int, siz
 	}
 
 	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 {
@@ -445,12 +477,32 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int, siz
 	// 检查缓存是否已经生成
 	var cachePathName = dir + "/" + hash
 	var cachePath = cachePathName + ".cache"
+
+	// 关闭OpenFileCache
+	var openFileCache = this.openFileCache
+	if openFileCache != nil {
+		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
 	}
-	var tmpPath = cachePath + ".tmp"
+
+	// 构造文件名
+	var tmpPath = cachePath
+	var existsFile = false
+	if stat != nil {
+		existsFile = true
+
+		// 如果已经存在，则增加一个.tmp后缀，防止读写冲突
+		tmpPath += FileTmpSuffix
+	}
+
 	if isPartial {
 		tmpPath = cachePathName + ".cache"
 	}
@@ -481,10 +533,22 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int, siz
 		}
 	}
 
-	writer, err := os.OpenFile(tmpPath, os.O_CREATE|os.O_WRONLY, 0666)
+	var flags = os.O_CREATE | os.O_WRONLY
+	if isNewCreated && existsFile {
+		flags |= os.O_TRUNC
+	}
+	var before = time.Now()
+	writer, err := os.OpenFile(tmpPath, flags, 0666)
 	if err != nil {
 		return nil, err
 	}
+	if !isFlushing {
+		if time.Since(before) >= maxOpenFilesSlowCost {
+			maxOpenFiles.Slow()
+		} else {
+			maxOpenFiles.Fast()
+		}
+	}
 
 	var removeOnFailure = true
 	defer func() {
@@ -509,60 +573,29 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int, siz
 	}
 
 	if isNewCreated {
-		err = writer.Truncate(0)
-		if err != nil {
-			return nil, err
-		}
-
 		// 写入过期时间
-		bytes4 := make([]byte, 4)
+		var metaBytes = make([]byte, SizeMeta+len(key))
-		{
+		binary.BigEndian.PutUint32(metaBytes[OffsetExpiresAt:], uint32(expiredAt))
-			binary.BigEndian.PutUint32(bytes4, uint32(expiredAt))
-			_, err = writer.Write(bytes4)
-			if err != nil {
-				return nil, err
-			}
-		}
 
 		// 写入状态码
 		if status > 999 || status < 100 {
 			status = 200
 		}
-		_, err = writer.WriteString(strconv.Itoa(status))
+		copy(metaBytes[OffsetStatus:], strconv.Itoa(status))
-		if err != nil {
-			return nil, err
-		}
 
 		// 写入URL长度
-		{
+		binary.BigEndian.PutUint32(metaBytes[OffsetURLLength:], uint32(len(key)))
-			binary.BigEndian.PutUint32(bytes4, uint32(len(key)))
-			_, err = writer.Write(bytes4)
-			if err != nil {
-				return nil, err
-			}
-		}
 
 		// 写入Header Length
-		{
+		binary.BigEndian.PutUint32(metaBytes[OffsetHeaderLength:], uint32(0))
-			binary.BigEndian.PutUint32(bytes4, uint32(0))
-			_, err = writer.Write(bytes4)
-			if err != nil {
-				return nil, err
-			}
-		}
 
 		// 写入Body Length
-		{
+		binary.BigEndian.PutUint64(metaBytes[OffsetBodyLength:], uint64(0))
-			b := make([]byte, SizeBodyLength)
-			binary.BigEndian.PutUint64(b, uint64(0))
-			_, err = writer.Write(b)
-			if err != nil {
-				return nil, err
-			}
-		}
 
 		// 写入URL
-		_, err = writer.WriteString(key)
+		copy(metaBytes[OffsetKey:], key)
+
+		_, err = writer.Write(metaBytes)
 		if err != nil {
 			return nil, err
 		}
@@ -578,12 +611,18 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int, siz
 		return NewPartialFileWriter(writer, key, expiredAt, isNewCreated, isPartial, partialBodyOffset, ranges, func() {
 			sharedWritingFileKeyLocker.Lock()
 			delete(sharedWritingFileKeyMap, key)
+			if len(sharedWritingFileKeyMap) == 0 {
+				maxOpenFiles.FinishAll()
+			}
 			sharedWritingFileKeyLocker.Unlock()
 		}), nil
 	} else {
 		return NewFileWriter(this, writer, key, expiredAt, -1, func() {
 			sharedWritingFileKeyLocker.Lock()
 			delete(sharedWritingFileKeyMap, key)
+			if len(sharedWritingFileKeyMap) == 0 {
+				maxOpenFiles.FinishAll()
+			}
 			sharedWritingFileKeyLocker.Unlock()
 		}), nil
 	}
@@ -744,9 +783,10 @@ func (this *FileStorage) Purge(keys []string, urlType string) error {
 				return err
 			}
 		}
+		return nil
 	}
 
-	// 文件
+	// URL
 	for _, key := range keys {
 		hash, path := this.keyPath(key)
 		err := this.removeCacheFile(path)
@@ -784,8 +824,9 @@ func (this *FileStorage) Stop() {
 
 	_ = this.list.Close()
 
-	if this.openFileCache != nil {
+	var openFileCache = this.openFileCache
-		this.openFileCache.CloseAll()
+	if openFileCache != nil {
+		openFileCache.CloseAll()
 	}
 
 	this.ignoreKeys.Reset()
@@ -810,6 +851,14 @@ func (this *FileStorage) IgnoreKey(key string) {
 	this.ignoreKeys.Push(key)
 }
 
+// CanSendfile 是否支持Sendfile
+func (this *FileStorage) CanSendfile() bool {
+	if this.options == nil {
+		return false
+	}
+	return this.options.EnableSendfile
+}
+
 // 绝对路径
 func (this *FileStorage) dir() string {
 	return this.options.Dir + "/p" + strconv.FormatInt(this.policy.Id, 10) + "/"
@@ -997,7 +1046,7 @@ func (this *FileStorage) hotLoop() {
 	this.hotMap = map[string]*HotItem{}
 	this.hotMapLocker.Unlock()
 
-	// 取Top10写入内存
+	// 取Top10%写入内存
 	if len(result) > 0 {
 		sort.Slice(result, func(i, j int) bool {
 			return result[i].Hits > result[j].Hits
@@ -1151,7 +1200,7 @@ func (this *FileStorage) increaseHit(key string, hash string, reader Reader) {
 
 		// 增加到热点
 		// 这里不收录缓存尺寸过大的文件
-		if memoryStorage != nil && reader.BodySize() > 0 && reader.BodySize() < 128*1024*1024 {
+		if memoryStorage != nil && reader.BodySize() > 0 && reader.BodySize() < 128*sizes.M {
 			this.hotMapLocker.Lock()
 			hotItem, ok := this.hotMap[key]
 
@@ -1177,12 +1226,21 @@ func (this *FileStorage) increaseHit(key string, hash string, reader Reader) {
 
 // 删除缓存文件
 func (this *FileStorage) removeCacheFile(path string) error {
+	var openFileCache = this.openFileCache
+	if openFileCache != nil {
+		openFileCache.Close(path)
+	}
+
 	var err = os.Remove(path)
 	if err == nil || os.IsNotExist(err) {
 		err = nil
 
 		// 删除Partial相关
-		_ = os.Remove(partialRangesFilePath(path))
+		var partialPath = partialRangesFilePath(path)
+		if openFileCache != nil {
+			openFileCache.Close(partialPath)
+		}
+		_ = os.Remove(partialPath)
 	}
 	return err
 }

internal/caches/storage_interface.go

@@ -14,7 +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, expiredAt int64, status int, size int64, maxSize int64, isPartial bool) (Writer, error)
+	OpenWriter(key string, expiresAt int64, status int, size 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)
 
 	// Delete 删除某个键值对应的缓存
 	Delete(key string) error
@@ -32,6 +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
@@ -51,4 +55,7 @@ type StorageInterface interface {
 
 	// IgnoreKey 忽略某个Key，即不缓存某个Key
 	IgnoreKey(key string)
+
+	// CanSendfile 是否支持Sendfile
+	CanSendfile() bool
 }

internal/caches/storage_memory.go

@@ -23,7 +23,7 @@ import (
 )
 
 type MemoryItem struct {
-	ExpiredAt   int64
+	ExpiresAt   int64
 	HeaderValue []byte
 	BodyValue   []byte
 	Status      int
@@ -32,7 +32,7 @@ type MemoryItem struct {
 }
 
 func (this *MemoryItem) IsExpired() bool {
-	return this.ExpiredAt < utils.UnixTime()
+	return this.ExpiresAt < utils.UnixTime()
 }
 
 type MemoryStorage struct {
@@ -118,7 +118,7 @@ func (this *MemoryStorage) OpenReader(key string, useStale bool, isPartial bool)
 		return nil, ErrNotFound
 	}
 
-	if useStale || (item.ExpiredAt > utils.UnixTime()) {
+	if useStale || (item.ExpiresAt > utils.UnixTime()) {
 		reader := NewMemoryReader(item)
 		err := reader.Init()
 		if err != nil {
@@ -160,7 +160,12 @@ func (this *MemoryStorage) OpenWriter(key string, expiredAt int64, status int, s
 	return this.openWriter(key, expiredAt, status, size, maxSize, true)
 }
 
-func (this *MemoryStorage) openWriter(key string, expiredAt int64, status int, size int64, maxSize int64, isDirty bool) (Writer, error) {
+// 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) openWriter(key string, expiresAt int64, status int, size int64, maxSize int64, isDirty bool) (Writer, error) {
 	// 待写入队列是否已满
 	if isDirty &&
 		this.parentStorage != nil &&
@@ -215,7 +220,7 @@ func (this *MemoryStorage) openWriter(key string, expiredAt int64, status int, s
 	}
 
 	isWriting = true
-	return NewMemoryWriter(this, key, expiredAt, status, isDirty, maxSize, func() {
+	return NewMemoryWriter(this, key, expiresAt, status, isDirty, maxSize, func() {
 		this.locker.Lock()
 		delete(this.writingKeyMap, key)
 		this.locker.Unlock()
@@ -262,8 +267,10 @@ func (this *MemoryStorage) Purge(keys []string, urlType string) error {
 				return err
 			}
 		}
+		return nil
 	}
 
+	// URL
 	for _, key := range keys {
 		err := this.Delete(key)
 		if err != nil {
@@ -347,6 +354,11 @@ func (this *MemoryStorage) IgnoreKey(key string) {
 	this.ignoreKeys.Push(key)
 }
 
+// CanSendfile 是否支持Sendfile
+func (this *MemoryStorage) CanSendfile() bool {
+	return false
+}
+
 // 计算Key Hash
 func (this *MemoryStorage) hash(key string) uint64 {
 	return xxhash.Sum64String(key)
@@ -466,7 +478,7 @@ func (this *MemoryStorage) flushItem(key string) {
 		return
 	}
 
-	writer, err := this.parentStorage.OpenWriter(key, item.ExpiredAt, item.Status, -1, -1, false)
+	writer, err := this.parentStorage.OpenFlushWriter(key, item.ExpiresAt, item.Status)
 	if err != nil {
 		if !CanIgnoreErr(err) {
 			remotelogs.Error("CACHE", "flush items failed: open writer failed: "+err.Error())
@@ -498,7 +510,7 @@ func (this *MemoryStorage) flushItem(key string) {
 	this.parentStorage.AddToList(&Item{
 		Type:       writer.ItemType(),
 		Key:        key,
-		ExpiredAt:  item.ExpiredAt,
+		ExpiredAt:  item.ExpiresAt,
 		HeaderSize: writer.HeaderSize(),
 		BodySize:   writer.BodySize(),
 	})

internal/caches/writer_file.go

@@ -127,8 +127,8 @@ func (this *FileWriter) Close() error {
 	err = this.rawWriter.Close()
 	if err != nil {
 		_ = os.Remove(path)
-	} else {
+	} else if strings.HasSuffix(path, FileTmpSuffix) {
-		err = os.Rename(path, strings.Replace(path, ".tmp", "", 1))
+		err = os.Rename(path, strings.Replace(path, FileTmpSuffix, "", 1))
 		if err != nil {
 			_ = os.Remove(path)
 		}

internal/caches/writer_memory.go

@@ -30,7 +30,7 @@ func NewMemoryWriter(memoryStorage *MemoryStorage, key string, expiredAt int64,
 		key:       key,
 		expiredAt: expiredAt,
 		item: &MemoryItem{
-			ExpiredAt:  expiredAt,
+			ExpiresAt:  expiredAt,
 			ModifiedAt: time.Now().Unix(),
 			Status:     status,
 		},

internal/compressions/reader_gzip.go

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

internal/compressions/reader_pool_zstd.go

@@ -0,0 +1,20 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package compressions
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"io"
+)
+
+var sharedZSTDReaderPool *ReaderPool
+
+func init() {
+	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_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_zstd.go

@@ -0,0 +1,21 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package compressions
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/klauspost/compress/zstd"
+	"io"
+)
+
+var sharedZSTDWriterPool *WriterPool
+
+func init() {
+	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/const/build.go

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

internal/const/const.go

@@ -1,7 +1,7 @@
 package teaconst
 
 const (
-	Version = "0.4.5"
+	Version = "0.4.9"
 
 	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

@@ -17,4 +17,6 @@ var (
 
 	IsQuiting    = false // 是否正在退出
 	EnableDBStat = false // 是否开启本地数据库统计
+
+	DiskIsFast = false // 是否为高速硬盘
 )

internal/encrypt/method.go

@@ -1,12 +1,12 @@
 package encrypt
 
 type MethodInterface interface {
-	// 初始化
+	// Init 初始化
 	Init(key []byte, iv []byte) error
 
-	// 加密
+	// Encrypt 加密
 	Encrypt(src []byte) (dst []byte, err error)
 
-	// 解密
+	// Decrypt 解密
 	Decrypt(dst []byte) (src []byte, err error)
 }

internal/errors/error.go

@@ -2,6 +2,7 @@ package errors
 
 import (
 	"errors"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"path/filepath"
 	"runtime"
 	"strconv"
@@ -15,7 +16,7 @@ type errorObj struct {
 }
 
 func (this *errorObj) Error() string {
-	s := this.err.Error() + "\n  " + this.file
+	s := this.err.Error() + "\n  " + utils.RemoveWorkspace(this.file)
 	if len(this.funcName) > 0 {
 		s += ":" + this.funcName + "()"
 	}
@@ -23,7 +24,7 @@ func (this *errorObj) Error() string {
 	return s
 }
 
-// 新错误
+// New 新错误
 func New(errText string) error {
 	ptr, file, line, ok := runtime.Caller(1)
 	funcName := ""
@@ -39,7 +40,7 @@ func New(errText string) error {
 	}
 }
 
-// 包装已有错误
+// Wrap 包装已有错误
 func Wrap(err error) error {
 	if err == nil {
 		return nil

internal/events/events.go

@@ -3,9 +3,10 @@ package events
 type Event = string
 
 const (
-	EventStart      Event = "start"      // start loading
+	EventStart         Event = "start"         // start loading
-	EventLoaded     Event = "loaded"     // first load
+	EventLoaded        Event = "loaded"        // first load
-	EventQuit       Event = "quit"       // quit node gracefully
+	EventQuit          Event = "quit"          // quit node gracefully
-	EventReload     Event = "reload"     // reload config
+	EventReload        Event = "reload"        // reload config
-	EventTerminated Event = "terminated" // process terminated
+	EventTerminated    Event = "terminated"    // process terminated
+	EventNFTablesReady Event = "nftablesReady" // nftables ready
 )

internal/firewalls/ddos_protection.go

@@ -0,0 +1,502 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+// +build linux
+
+package firewalls
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/ddosconfigs"
+	"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"
+	"github.com/TeaOSLab/EdgeNode/internal/zero"
+	"github.com/iwind/TeaGo/lists"
+	"github.com/iwind/TeaGo/types"
+	stringutil "github.com/iwind/TeaGo/utils/string"
+	"net"
+	"os/exec"
+	"strings"
+)
+
+var SharedDDoSProtectionManager = NewDDoSProtectionManager()
+
+func init() {
+	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 {
+	nftPath string
+
+	lastAllowIPList []string
+	lastConfig      []byte
+}
+
+// NewDDoSProtectionManager 获取新对象
+func NewDDoSProtectionManager() *DDoSProtectionManager {
+	nftPath, _ := exec.LookPath("nft")
+
+	return &DDoSProtectionManager{
+		nftPath: nftPath,
+	}
+}
+
+// Apply 应用配置
+func (this *DDoSProtectionManager) Apply(config *ddosconfigs.ProtectionConfig) error {
+	// 同集群节点IP白名单
+	var allowIPListChanged = false
+	nodeConfig, _ := nodeconfigs.SharedNodeConfig()
+	if nodeConfig != nil {
+		var allowIPList = nodeConfig.AllowedIPs
+		if !utils.ContainsSameStrings(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(this.nftPath) == 0 {
+		return errors.New("can not find nft command")
+	}
+
+	if nftablesInstance == 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 {
+	// 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
+		var newConnectionsRate = tcpConfig.NewConnectionsRate
+		if newConnectionsRate <= 0 {
+			newConnectionsRate = nodeconfigs.DefaultTCPNewConnectionsRate
+			if newConnectionsRate <= 0 {
+				newConnectionsRate = 100000
+			}
+		}
+
+		// 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(newConnectionsRate)}) {
+				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 = exec.Command(this.nftPath, "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)}))
+				var stderr = &bytes.Buffer{}
+				cmd.Stderr = stderr
+				err := cmd.Run()
+				if err != nil {
+					return errors.New("add nftables rule '" + cmd.String() + "' failed: " + err.Error() + " (" + stderr.String() + ")")
+				}
+			}
+
+			if maxConnectionsPerIP > 0 {
+				var cmd = exec.Command(this.nftPath, "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)}))
+				var stderr = &bytes.Buffer{}
+				cmd.Stderr = stderr
+				err := cmd.Run()
+				if err != nil {
+					return errors.New("add nftables rule '" + cmd.String() + "' failed: " + err.Error() + " (" + stderr.String() + ")")
+				}
+			}
+
+			if newConnectionsRate > 0 {
+				// TODO 思考是否有惩罚机制
+				var cmd = exec.Command(this.nftPath, "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(newConnectionsRate)+"/minute burst "+types.String(newConnectionsRate+3)+" packets }" /**"add", "@deny_set", "{"+protocol+" saddr}",**/, "counter", "drop", "comment", this.encodeUserData([]string{"tcp", types.String(port), "newConnectionsRate", types.String(newConnectionsRate)}))
+				var stderr = &bytes.Buffer{}
+				cmd.Stderr = stderr
+				err := cmd.Run()
+				if err != nil {
+					return errors.New("add nftables rule '" + cmd.String() + "' failed: " + err.Error() + " (" + stderr.String() + ")")
+				}
+			}
+		}
+	}
+
+	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":
+			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)
+					if err != nil {
+						return errors.New("add ip '" + ip + "' failed: " + err.Error())
+					}
+				}
+			}
+		}
+	}
+
+	return nil
+}

internal/firewalls/ddos_protection_others.go

@@ -0,0 +1,23 @@
+// 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 {
+	nftPath string
+}
+
+func NewDDoSProtectionManager() *DDoSProtectionManager {
+	return &DDoSProtectionManager{}
+}
+
+func (this *DDoSProtectionManager) Apply(config *ddosconfigs.ProtectionConfig) error {
+	return nil
+}

internal/firewalls/firewall.go

@@ -5,17 +5,18 @@ package firewalls
 import (
 	"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() {
 	events.On(events.EventLoaded, func() {
 		var firewall = Firewall()
-		if firewall.Name() == "mock" {
+		if firewall.Name() != "mock" {
-			remotelogs.Warn("FIREWALL", "'firewalld' on this system should be enabled to block attackers more effectively")
-		} else {
 			remotelogs.Println("FIREWALL", "found local firewall '"+firewall.Name()+"'")
 		}
 	})
@@ -23,12 +24,30 @@ 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()
 		if firewalld.IsReady() {
 			currentFirewall = firewalld

internal/firewalls/firewall_firewalld.go

@@ -23,10 +23,13 @@ func NewFirewalld() *Firewalld {
 
 	path, err := exec.LookPath("firewall-cmd")
 	if err == nil && len(path) > 0 {
-		var cmd = exec.Command(path, "-V")
+		var cmd = exec.Command(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()
 		}
@@ -58,6 +61,11 @@ func (this *Firewalld) IsReady() bool {
 	return this.isReady
 }
 
+// IsMock 是否为模拟
+func (this *Firewalld) IsMock() bool {
+	return false
+}
+
 func (this *Firewalld) AllowPort(port int, protocol string) error {
 	if !this.isReady {
 		return nil

internal/firewalls/firewall_interface.go

@@ -10,6 +10,9 @@ type FirewallInterface interface {
 	// IsReady 是否已准备被调用
 	IsReady() bool
 
+	// IsMock 是否为模拟
+	IsMock() bool
+
 	// AllowPort 允许端口
 	AllowPort(port int, protocol string) error
 

internal/firewalls/firewall_mock.go

@@ -20,6 +20,11 @@ func (this *MockFirewall) IsReady() bool {
 	return true
 }
 
+// IsMock 是否为模拟
+func (this *MockFirewall) IsMock() bool {
+	return true
+}
+
 // AllowPort 允许端口
 func (this *MockFirewall) AllowPort(port int, protocol string) error {
 	_ = port

internal/firewalls/firewall_nftables.go

@@ -0,0 +1,395 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+// +build linux
+
+package firewalls
+
+import (
+	"bytes"
+	"errors"
+	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/firewalls/nftables"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/iwind/TeaGo/types"
+	"net"
+	"os/exec"
+	"regexp"
+	"runtime"
+	"strings"
+	"time"
+)
+
+// check nft status, if being enabled we load it automatically
+func init() {
+	if runtime.GOOS == "linux" {
+		var ticker = time.NewTicker(3 * time.Minute)
+		go func() {
+			for range ticker.C {
+				// if already ready, we break
+				if nftablesIsReady {
+					ticker.Stop()
+					break
+				}
+				_, err := exec.LookPath("nft")
+				if err == nil {
+					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"
+}
+
+func NewNFTablesFirewall() (*NFTablesFirewall, error) {
+	var firewall = &NFTablesFirewall{
+		conn: nftables.NewConn(),
+	}
+	err := firewall.init()
+	if err != nil {
+		return nil, err
+	}
+
+	return firewall, nil
+}
+
+type NFTablesFirewall struct {
+	conn    *nftables.Conn
+	isReady bool
+	version string
+
+	allowIPv4Set *nftables.Set
+	allowIPv6Set *nftables.Set
+
+	denyIPv4Set *nftables.Set
+	denyIPv6Set *nftables.Set
+
+	firewalld *Firewalld
+}
+
+func (this *NFTablesFirewall) init() error {
+	// check nft
+	nftPath, err := exec.LookPath("nft")
+	if err != nil {
+		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"} {
+			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.denyIPv4Set = set
+				}
+			} else if tableDef.IsIPv6 {
+				if setAction == "allow" {
+					this.allowIPv6Set = set
+				} else {
+					this.denyIPv6Set = set
+				}
+			}
+
+			// rule
+			var ruleName = []byte(setAction)
+			rule, err := chain.GetRuleWithUserData(ruleName)
+			if err != nil {
+				if nftables.IsNotFound(err) {
+					if tableDef.IsIPv4 {
+						if setAction == "allow" {
+							rule, err = chain.AddAcceptIPv4SetRule(setName, ruleName)
+						} else {
+							rule, err = chain.AddDropIPv4SetRule(setName, ruleName)
+						}
+					} else if tableDef.IsIPv6 {
+						if setAction == "allow" {
+							rule, err = chain.AddAcceptIPv6SetRule(setName, ruleName)
+						} else {
+							rule, err = chain.AddDropIPv6SetRule(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
+
+	// 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)
+	}
+
+	// ipv4
+	if this.allowIPv4Set == nil {
+		return errors.New("ipv4 ip set is nil")
+	}
+	return this.allowIPv4Set.AddElement(data.To4(), nil)
+}
+
+// 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)
+}
+
+// DropSourceIP 丢弃某个源IP数据
+func (this *NFTablesFirewall) DropSourceIP(ip string, timeoutSeconds int) error {
+	var data = net.ParseIP(ip)
+	if data == nil {
+		return errors.New("invalid ip '" + ip + "'")
+	}
+
+	if strings.Contains(ip, ":") { // ipv6
+		if this.denyIPv6Set == nil {
+			return errors.New("ipv6 ip set is nil")
+		}
+		return this.denyIPv6Set.AddElement(data.To16(), &nftables.ElementOptions{
+			Timeout: time.Duration(timeoutSeconds) * time.Second,
+		})
+	}
+
+	// ipv4
+	if this.denyIPv4Set == nil {
+		return errors.New("ipv4 ip set is nil")
+	}
+	return this.denyIPv4Set.AddElement(data.To4(), &nftables.ElementOptions{
+		Timeout: time.Duration(timeoutSeconds) * time.Second,
+	})
+}
+
+// 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 + "'")
+	}
+
+	if strings.Contains(ip, ":") { // ipv6
+		if this.denyIPv6Set != nil {
+			err := this.denyIPv6Set.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 this.allowIPv4Set != nil {
+		err := this.denyIPv4Set.DeleteElement(data.To4())
+		if err != nil {
+			return err
+		}
+
+		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 = exec.Command(nftPath, "--version")
+	var output = &bytes.Buffer{}
+	cmd.Stdout = output
+	err := cmd.Run()
+	if err != nil {
+		return ""
+	}
+
+	var outputString = output.String()
+	var versionMatches = regexp.MustCompile(`nftables v([\d.]+)`).FindStringSubmatch(outputString)
+	if len(versionMatches) <= 1 {
+		return ""
+	}
+	return versionMatches[1]
+}

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) 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 +1,370 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+// +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 +1,13 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+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 +1,130 @@
+// 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"
+	"net"
+	"testing"
+)
+
+func getIPv4Chain(t *testing.T) *nftables.Chain {
+	var conn = nftables.NewConn()
+	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 +1,84 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+// +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 {
+	return &Conn{
+		rawConn: &nft.Conn{},
+	}
+}
+
+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 +1,78 @@
+// 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"
+	"os/exec"
+	"testing"
+)
+
+func TestConn_Test(t *testing.T) {
+	_, err := exec.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 +1,19 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+// +build linux
+
+package nftables
+
+import "errors"
+
+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
+}

internal/firewalls/nftables/family.go

@@ -0,0 +1,18 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nftables
+
+import (
+	nft "github.com/google/nftables"
+)
+
+type TableFamily = nft.TableFamily
+
+const (
+	TableFamilyINet   TableFamily = nft.TableFamilyINet
+	TableFamilyIPv4   TableFamily = nft.TableFamilyIPv4
+	TableFamilyIPv6   TableFamily = nft.TableFamilyIPv6
+	TableFamilyARP    TableFamily = nft.TableFamilyARP
+	TableFamilyNetdev TableFamily = nft.TableFamilyNetdev
+	TableFamilyBridge TableFamily = nft.TableFamilyBridge
+)

internal/firewalls/nftables/rule.go

@@ -0,0 +1,51 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nftables
+
+import (
+	nft "github.com/google/nftables"
+	"github.com/google/nftables/expr"
+)
+
+type Rule struct {
+	rawRule *nft.Rule
+}
+
+func NewRule(rawRule *nft.Rule) *Rule {
+	return &Rule{
+		rawRule: rawRule,
+	}
+}
+
+func (this *Rule) Raw() *nft.Rule {
+	return this.rawRule
+}
+
+func (this *Rule) LookupSetName() string {
+	for _, e := range this.rawRule.Exprs {
+		exp, ok := e.(*expr.Lookup)
+		if ok {
+			return exp.SetName
+		}
+	}
+	return ""
+}
+
+func (this *Rule) VerDict() expr.VerdictKind {
+	for _, e := range this.rawRule.Exprs {
+		exp, ok := e.(*expr.Verdict)
+		if ok {
+			return exp.Kind
+		}
+	}
+
+	return -100
+}
+
+func (this *Rule) Handle() uint64 {
+	return this.rawRule.Handle
+}
+
+func (this *Rule) UserData() []byte {
+	return this.rawRule.UserData
+}

internal/firewalls/nftables/set.go

@@ -0,0 +1,161 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+// +build linux
+
+package nftables
+
+import (
+	"errors"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	nft "github.com/google/nftables"
+	"net"
+	"strings"
+	"time"
+)
+
+const MaxSetNameLength = 15
+
+type SetOptions struct {
+	Id         uint32
+	HasTimeout bool
+	Timeout    time.Duration
+	KeyType    SetDataType
+	DataType   SetDataType
+	Constant   bool
+	Interval   bool
+	Anonymous  bool
+	IsMap      bool
+}
+
+type ElementOptions struct {
+	Timeout time.Duration
+}
+
+type Set struct {
+	conn   *Conn
+	rawSet *nft.Set
+	batch  *SetBatch
+}
+
+func NewSet(conn *Conn, rawSet *nft.Set) *Set {
+	return &Set{
+		conn:   conn,
+		rawSet: rawSet,
+		batch: &SetBatch{
+			conn:   conn,
+			rawSet: rawSet,
+		},
+	}
+}
+
+func (this *Set) Raw() *nft.Set {
+	return this.rawSet
+}
+
+func (this *Set) Name() string {
+	return this.rawSet.Name
+}
+
+func (this *Set) AddElement(key []byte, options *ElementOptions) error {
+	var rawElement = nft.SetElement{
+		Key: key,
+	}
+	if options != nil {
+		rawElement.Timeout = options.Timeout
+	}
+	err := this.conn.Raw().SetAddElements(this.rawSet, []nft.SetElement{
+		rawElement,
+	})
+	if err != nil {
+		return err
+	}
+
+	err = this.conn.Commit()
+	if err != nil {
+		// retry if exists
+		if strings.Contains(err.Error(), "file exists") {
+			deleteErr := this.conn.Raw().SetDeleteElements(this.rawSet, []nft.SetElement{
+				{
+					Key: key,
+				},
+			})
+			if deleteErr == nil {
+				err = this.conn.Raw().SetAddElements(this.rawSet, []nft.SetElement{
+					rawElement,
+				})
+				if err == nil {
+					err = this.conn.Commit()
+				}
+			}
+		}
+	}
+
+	return err
+}
+
+func (this *Set) AddIPElement(ip string, options *ElementOptions) error {
+	var ipObj = net.ParseIP(ip)
+	if ipObj == nil {
+		return errors.New("invalid ip '" + ip + "'")
+	}
+
+	if utils.IsIPv4(ip) {
+		return this.AddElement(ipObj.To4(), options)
+	} else {
+		return this.AddElement(ipObj.To16(), options)
+	}
+}
+
+func (this *Set) DeleteElement(key []byte) error {
+	err := this.conn.Raw().SetDeleteElements(this.rawSet, []nft.SetElement{
+		{
+			Key: key,
+		},
+	})
+	if err != nil {
+		return err
+	}
+	err = this.conn.Commit()
+	if err != nil {
+		if strings.Contains(err.Error(), "no such file or directory") {
+			err = nil
+		}
+	}
+	return err
+}
+
+func (this *Set) DeleteIPElement(ip string) error {
+	var ipObj = net.ParseIP(ip)
+	if ipObj == nil {
+		return errors.New("invalid ip '" + ip + "'")
+	}
+
+	if utils.IsIPv4(ip) {
+		return this.DeleteElement(ipObj.To4())
+	} else {
+		return this.DeleteElement(ipObj.To16())
+	}
+}
+
+func (this *Set) Batch() *SetBatch {
+	return this.batch
+}
+
+func (this *Set) GetIPElements() ([]string, error) {
+	elements, err := this.conn.Raw().GetSetElements(this.rawSet)
+	if err != nil {
+		return nil, err
+	}
+
+	var result = []string{}
+	for _, element := range elements {
+		result = append(result, net.IP(element.Key).String())
+	}
+	return result, nil
+}
+
+// not work current time
+/**func (this *Set) Flush() error {
+	this.conn.Raw().FlushSet(this.rawSet)
+	return this.conn.Commit()
+}**/

internal/firewalls/nftables/set_batch.go

@@ -0,0 +1,36 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nftables
+
+import (
+	nft "github.com/google/nftables"
+)
+
+type SetBatch struct {
+	conn   *Conn
+	rawSet *nft.Set
+}
+
+func (this *SetBatch) AddElement(key []byte, options *ElementOptions) error {
+	var rawElement = nft.SetElement{
+		Key: key,
+	}
+	if options != nil {
+		rawElement.Timeout = options.Timeout
+	}
+	return this.conn.Raw().SetAddElements(this.rawSet, []nft.SetElement{
+		rawElement,
+	})
+}
+
+func (this *SetBatch) DeleteElement(key []byte) error {
+	return this.conn.Raw().SetDeleteElements(this.rawSet, []nft.SetElement{
+		{
+			Key: key,
+		},
+	})
+}
+
+func (this *SetBatch) Commit() error {
+	return this.conn.Commit()
+}

internal/firewalls/nftables/set_data_type.go

@@ -0,0 +1,57 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nftables
+
+import nft "github.com/google/nftables"
+
+type SetDataType = nft.SetDatatype
+
+var (
+	TypeInvalid     = nft.TypeInvalid
+	TypeVerdict     = nft.TypeVerdict
+	TypeNFProto     = nft.TypeNFProto
+	TypeBitmask     = nft.TypeBitmask
+	TypeInteger     = nft.TypeInteger
+	TypeString      = nft.TypeString
+	TypeLLAddr      = nft.TypeLLAddr
+	TypeIPAddr      = nft.TypeIPAddr
+	TypeIP6Addr     = nft.TypeIP6Addr
+	TypeEtherAddr   = nft.TypeEtherAddr
+	TypeEtherType   = nft.TypeEtherType
+	TypeARPOp       = nft.TypeARPOp
+	TypeInetProto   = nft.TypeInetProto
+	TypeInetService = nft.TypeInetService
+	TypeICMPType    = nft.TypeICMPType
+	TypeTCPFlag     = nft.TypeTCPFlag
+	TypeDCCPPktType = nft.TypeDCCPPktType
+	TypeMHType      = nft.TypeMHType
+	TypeTime        = nft.TypeTime
+	TypeMark        = nft.TypeMark
+	TypeIFIndex     = nft.TypeIFIndex
+	TypeARPHRD      = nft.TypeARPHRD
+	TypeRealm       = nft.TypeRealm
+	TypeClassID     = nft.TypeClassID
+	TypeUID         = nft.TypeUID
+	TypeGID         = nft.TypeGID
+	TypeCTState     = nft.TypeCTState
+	TypeCTDir       = nft.TypeCTDir
+	TypeCTStatus    = nft.TypeCTStatus
+	TypeICMP6Type   = nft.TypeICMP6Type
+	TypeCTLabel     = nft.TypeCTLabel
+	TypePktType     = nft.TypePktType
+	TypeICMPCode    = nft.TypeICMPCode
+	TypeICMPV6Code  = nft.TypeICMPV6Code
+	TypeICMPXCode   = nft.TypeICMPXCode
+	TypeDevGroup    = nft.TypeDevGroup
+	TypeDSCP        = nft.TypeDSCP
+	TypeECN         = nft.TypeECN
+	TypeFIBAddr     = nft.TypeFIBAddr
+	TypeBoolean     = nft.TypeBoolean
+	TypeCTEventBit  = nft.TypeCTEventBit
+	TypeIFName      = nft.TypeIFName
+	TypeIGMPType    = nft.TypeIGMPType
+	TypeTimeDate    = nft.TypeTimeDate
+	TypeTimeHour    = nft.TypeTimeHour
+	TypeTimeDay     = nft.TypeTimeDay
+	TypeCGroupV2    = nft.TypeCGroupV2
+)

internal/firewalls/nftables/set_test.go

@@ -0,0 +1,110 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nftables_test
+
+import (
+	"errors"
+	"github.com/TeaOSLab/EdgeNode/internal/firewalls/nftables"
+	"github.com/iwind/TeaGo/types"
+	"github.com/mdlayher/netlink"
+	"net"
+	"testing"
+	"time"
+)
+
+func getIPv4Set(t *testing.T) *nftables.Set {
+	var table = getIPv4Table(t)
+	set, err := table.GetSet("test_ipv4_set")
+	if err != nil {
+		if err == nftables.ErrSetNotFound {
+			set, err = table.AddSet("test_ipv4_set", &nftables.SetOptions{
+				KeyType:    nftables.TypeIPAddr,
+				HasTimeout: true,
+			})
+			if err != nil {
+				t.Fatal(err)
+			}
+		} else {
+			t.Fatal(err)
+		}
+	}
+	return set
+}
+
+func TestSet_AddElement(t *testing.T) {
+	var set = getIPv4Set(t)
+	err := set.AddElement(net.ParseIP("192.168.2.31").To4(), &nftables.ElementOptions{Timeout: 86400 * time.Second})
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+func TestSet_DeleteElement(t *testing.T) {
+	var set = getIPv4Set(t)
+	err := set.DeleteElement(net.ParseIP("192.168.2.31").To4())
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+func TestSet_Batch(t *testing.T) {
+	var batch = getIPv4Set(t).Batch()
+
+	for _, ip := range []string{"192.168.2.30", "192.168.2.31", "192.168.2.32", "192.168.2.33", "192.168.2.34"} {
+		var ipData = net.ParseIP(ip).To4()
+		//err := batch.DeleteElement(ipData)
+		//if err != nil {
+		//	t.Fatal(err)
+		//}
+		err := batch.AddElement(ipData, &nftables.ElementOptions{Timeout: 10 * time.Second})
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	err := batch.Commit()
+	if err != nil {
+		t.Logf("%#v", errors.Unwrap(err).(*netlink.OpError))
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+func TestSet_Add_Many(t *testing.T) {
+	var set = getIPv4Set(t)
+
+	for i := 0; i < 255; i++ {
+		t.Log(i)
+		for j := 0; j < 255; j++ {
+			var ip = "192.167." + types.String(i) + "." + types.String(j)
+			var ipData = net.ParseIP(ip).To4()
+			err := set.Batch().AddElement(ipData, &nftables.ElementOptions{Timeout: 3600 * time.Second})
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			if j%10 == 0 {
+				err = set.Batch().Commit()
+				if err != nil {
+					t.Fatal(err)
+				}
+			}
+		}
+		err := set.Batch().Commit()
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+	t.Log("ok")
+}
+
+/**func TestSet_Flush(t *testing.T) {
+	var set = getIPv4Set(t)
+	err := set.Flush()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}**/

internal/firewalls/nftables/table.go

@@ -0,0 +1,157 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build linux
+// +build linux
+
+package nftables
+
+import (
+	"errors"
+	nft "github.com/google/nftables"
+	"github.com/iwind/TeaGo/types"
+	"strings"
+)
+
+type Table struct {
+	conn     *Conn
+	rawTable *nft.Table
+}
+
+func NewTable(conn *Conn, rawTable *nft.Table) *Table {
+	return &Table{
+		conn:     conn,
+		rawTable: rawTable,
+	}
+}
+
+func (this *Table) Raw() *nft.Table {
+	return this.rawTable
+}
+
+func (this *Table) Name() string {
+	return this.rawTable.Name
+}
+
+func (this *Table) Family() TableFamily {
+	return this.rawTable.Family
+}
+
+func (this *Table) GetChain(name string) (*Chain, error) {
+	rawChains, err := this.conn.Raw().ListChains()
+	if err != nil {
+		return nil, err
+	}
+	for _, rawChain := range rawChains {
+		// must compare table name
+		if rawChain.Name == name && rawChain.Table.Name == this.rawTable.Name {
+			return NewChain(this.conn, this.rawTable, rawChain), nil
+		}
+	}
+	return nil, ErrChainNotFound
+}
+
+func (this *Table) AddChain(name string, chainPolicy *ChainPolicy) (*Chain, error) {
+	if len(name) > MaxChainNameLength {
+		return nil, errors.New("chain name too long (max " + types.String(MaxChainNameLength) + ")")
+	}
+
+	var rawChain = this.conn.Raw().AddChain(&nft.Chain{
+		Name:     name,
+		Table:    this.rawTable,
+		Hooknum:  nft.ChainHookInput,
+		Priority: nft.ChainPriorityFilter,
+		Type:     nft.ChainTypeFilter,
+		Policy:   chainPolicy,
+	})
+
+	err := this.conn.Commit()
+	if err != nil {
+		return nil, err
+	}
+	return NewChain(this.conn, this.rawTable, rawChain), nil
+}
+
+func (this *Table) AddAcceptChain(name string) (*Chain, error) {
+	var policy = ChainPolicyAccept
+	return this.AddChain(name, &policy)
+}
+
+func (this *Table) AddDropChain(name string) (*Chain, error) {
+	var policy = ChainPolicyDrop
+	return this.AddChain(name, &policy)
+}
+
+func (this *Table) DeleteChain(name string) error {
+	chain, err := this.GetChain(name)
+	if err != nil {
+		if err == ErrChainNotFound {
+			return nil
+		}
+		return err
+	}
+	this.conn.Raw().DelChain(chain.Raw())
+	return this.conn.Commit()
+}
+
+func (this *Table) GetSet(name string) (*Set, error) {
+	rawSet, err := this.conn.Raw().GetSetByName(this.rawTable, name)
+	if err != nil {
+		if strings.Contains(err.Error(), "no such file or directory") {
+			return nil, ErrSetNotFound
+		}
+		return nil, err
+	}
+
+	return NewSet(this.conn, rawSet), nil
+}
+
+func (this *Table) AddSet(name string, options *SetOptions) (*Set, error) {
+	if len(name) > MaxSetNameLength {
+		return nil, errors.New("set name too long (max " + types.String(MaxSetNameLength) + ")")
+	}
+
+	if options == nil {
+		options = &SetOptions{}
+	}
+	var rawSet = &nft.Set{
+		Table:      this.rawTable,
+		ID:         options.Id,
+		Name:       name,
+		Anonymous:  options.Anonymous,
+		Constant:   options.Constant,
+		Interval:   options.Interval,
+		IsMap:      options.IsMap,
+		HasTimeout: options.HasTimeout,
+		Timeout:    options.Timeout,
+		KeyType:    options.KeyType,
+		DataType:   options.DataType,
+	}
+	err := this.conn.Raw().AddSet(rawSet, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	err = this.conn.Commit()
+	if err != nil {
+		return nil, err
+	}
+
+	return NewSet(this.conn, rawSet), nil
+}
+
+func (this *Table) DeleteSet(name string) error {
+	set, err := this.GetSet(name)
+	if err != nil {
+		if err == ErrSetNotFound {
+			return nil
+		}
+		return err
+	}
+
+	this.conn.Raw().DelSet(set.Raw())
+	return this.conn.Commit()
+}
+
+func (this *Table) Flush() error {
+	this.conn.Raw().FlushTable(this.rawTable)
+	return this.conn.Commit()
+}

internal/firewalls/nftables/table_test.go

@@ -0,0 +1,140 @@
+// 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"
+	"testing"
+)
+
+func getIPv4Table(t *testing.T) *nftables.Table {
+	var conn = nftables.NewConn()
+	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)
+		}
+	}
+	return table
+}
+
+func TestTable_AddChain(t *testing.T) {
+	var table = getIPv4Table(t)
+
+	{
+		chain, err := table.AddChain("test_default_chain", nil)
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("created:", chain.Name())
+	}
+
+	{
+		chain, err := table.AddAcceptChain("test_accept_chain")
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("created:", chain.Name())
+	}
+
+	// Do not test drop chain before adding accept rule, you will drop yourself!!!!!!!
+	/**{
+		chain, err := table.AddDropChain("test_drop_chain")
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("created:", chain.Name())
+	}**/
+}
+
+func TestTable_GetChain(t *testing.T) {
+	var table = getIPv4Table(t)
+	for _, chainName := range []string{"not_found_chain", "test_default_chain"} {
+		chain, err := table.GetChain(chainName)
+		if err != nil {
+			if err == nftables.ErrChainNotFound {
+				t.Log(chainName, ":", "not found")
+			} else {
+				t.Fatal(err)
+			}
+		} else {
+			t.Log(chainName, ":", chain)
+		}
+	}
+}
+
+func TestTable_DeleteChain(t *testing.T) {
+	var table = getIPv4Table(t)
+	err := table.DeleteChain("test_default_chain")
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+func TestTable_AddSet(t *testing.T) {
+	var table = getIPv4Table(t)
+	{
+		set, err := table.AddSet("ipv4_black_set", &nftables.SetOptions{
+			HasTimeout: false,
+			KeyType:    nftables.TypeIPAddr,
+		})
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log(set.Name())
+	}
+
+	{
+		set, err := table.AddSet("ipv6_black_set", &nftables.SetOptions{
+			HasTimeout: true,
+			//Timeout:    3600 * time.Second,
+			KeyType: nftables.TypeIP6Addr,
+		})
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log(set.Name())
+	}
+}
+
+func TestTable_GetSet(t *testing.T) {
+	var table = getIPv4Table(t)
+	for _, setName := range []string{"not_found_set", "ipv4_black_set"} {
+		set, err := table.GetSet(setName)
+		if err != nil {
+			if err == nftables.ErrSetNotFound {
+				t.Log(setName, ": not found")
+			} else {
+				t.Fatal(err)
+			}
+		} else {
+			t.Log(setName, ":", set)
+		}
+	}
+}
+
+func TestTable_DeleteSet(t *testing.T) {
+	var table = getIPv4Table(t)
+	err := table.DeleteSet("ipv4_black_set")
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+func TestTable_Flush(t *testing.T) {
+	var table = getIPv4Table(t)
+	err := table.Flush()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}

internal/iplibrary/ip2Region.go

@@ -99,7 +99,7 @@ func (this *IP2Region) MemorySearch(ipStr string) (ipInfo *IpInfo, err error) {
 		}
 	}
 	if dataPtr == 0 {
-		return nil, errors.New("not found")
+		return nil, nil
 	}
 
 	dataLen := (dataPtr >> 24) & 0xFF

internal/iplibrary/ip_item.go

@@ -13,7 +13,7 @@ const (
 // IPItem IP条目
 type IPItem struct {
 	Type       string `json:"type"`
-	Id         int64  `json:"id"`
+	Id         uint64 `json:"id"`
 	IPFrom     uint64 `json:"ipFrom"`
 	IPTo       uint64 `json:"ipTo"`
 	ExpiredAt  int64  `json:"expiredAt"`

internal/iplibrary/ip_list.go

@@ -13,9 +13,9 @@ var GlobalWhiteIPList = NewIPList()
 // IPList IP名单
 // TODO IP名单可以分片关闭，这样让每一片的数据量减少，查询更快
 type IPList struct {
-	itemsMap    map[int64]*IPItem // id => item
+	itemsMap    map[uint64]*IPItem // id => item
 	sortedItems []*IPItem
-	allItemsMap map[int64]*IPItem // id => item
+	allItemsMap map[uint64]*IPItem // id => item
 
 	expireList *expires.List
 
@@ -24,12 +24,12 @@ type IPList struct {
 
 func NewIPList() *IPList {
 	list := &IPList{
-		itemsMap:    map[int64]*IPItem{},
+		itemsMap:    map[uint64]*IPItem{},
-		allItemsMap: map[int64]*IPItem{},
+		allItemsMap: map[uint64]*IPItem{},
 	}
 
 	expireList := expires.NewList()
-	expireList.OnGC(func(itemId int64) {
+	expireList.OnGC(func(itemId uint64) {
 		list.Delete(itemId)
 	})
 	list.expireList = expireList
@@ -51,7 +51,7 @@ func (this *IPList) Sort() {
 	this.locker.Unlock()
 }
 
-func (this *IPList) Delete(itemId int64) {
+func (this *IPList) Delete(itemId uint64) {
 	this.locker.Lock()
 	this.deleteItem(itemId)
 	this.locker.Unlock()
@@ -198,7 +198,7 @@ func (this *IPList) lookupIP(ip uint64) *IPItem {
 
 // 在不加锁的情况下删除某个Item
 // 将会被别的方法引用，切记不能加锁
-func (this *IPList) deleteItem(itemId int64) {
+func (this *IPList) deleteItem(itemId uint64) {
 	_, ok := this.itemsMap[itemId]
 	if !ok {
 		return

internal/iplibrary/ip_list_db.go

@@ -48,7 +48,7 @@ func (this *IPListDB) init() error {
 		if err != nil {
 			return err
 		}
-		remotelogs.Println("CACHE", "create cache dir '"+this.dir+"'")
+		remotelogs.Println("IP_LIST_DB", "create data dir '"+this.dir+"'")
 	}
 
 	db, err := sql.Open("sqlite3", "file:"+this.dir+"/ip_list.db?cache=shared&mode=rwc&_journal_mode=WAL&_sync=OFF")

internal/iplibrary/list_utils.go

@@ -3,12 +3,27 @@
 package iplibrary
 
 import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/iwind/TeaGo/Tea"
 )
 
 // AllowIP 检查IP是否被允许访问
 // 如果一个IP不在任何名单中，则允许访问
 func AllowIP(ip string, serverId int64) (canGoNext bool, inAllowList bool) {
+	if !Tea.IsTesting() { // 如果在测试环境，我们不加入一些白名单，以便于可以在本地和局域网正常测试
+		// 放行lo
+		if ip == "127.0.0.1" || ip == "::1" {
+			return true, true
+		}
+
+		// check node
+		nodeConfig, err := nodeconfigs.SharedNodeConfig()
+		if err == nil && nodeConfig.IPIsAutoAllowed(ip) {
+			return true, true
+		}
+	}
+
 	var ipLong = utils.IP2Long(ip)
 	if ipLong == 0 {
 		return false, false

internal/iplibrary/manager_ip_list.go

@@ -149,6 +149,10 @@ func (this *IPListManager) fetch() (hasNext bool, err error) {
 		Size:    this.pageSize,
 	})
 	if err != nil {
+		if rpc.IsConnError(err) {
+			remotelogs.Warn("IP_LIST_MANAGER", "rpc connection error: "+err.Error())
+			return false, nil
+		}
 		return false, err
 	}
 	items := itemsResp.IpItems
@@ -209,7 +213,7 @@ func (this *IPListManager) processItems(items []*pb.IPItem, fromRemote bool) {
 		changedLists[list] = zero.New()
 
 		if item.IsDeleted {
-			list.Delete(item.Id)
+			list.Delete(uint64(item.Id))
 
 			// 从WAF名单中删除
 			waf.SharedIPBlackList.RemoveIP(item.IpFrom, item.ServerId, fromRemote)
@@ -223,7 +227,7 @@ func (this *IPListManager) processItems(items []*pb.IPItem, fromRemote bool) {
 		}
 
 		list.AddDelay(&IPItem{
-			Id:         item.Id,
+			Id:         uint64(item.Id),
 			Type:       item.Type,
 			IPFrom:     utils.IP2Long(item.IpFrom),
 			IPTo:       utils.IP2Long(item.IpTo),

internal/metrics/stat.go

@@ -3,9 +3,9 @@
 package metrics
 
 import (
-	"encoding/json"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/fnv"
-	"github.com/cespare/xxhash"
 	"strconv"
+	"strings"
 )
 
 type Stat struct {
@@ -17,6 +17,6 @@ type Stat struct {
 }
 
 func SumStat(serverId int64, keys []string, time string, version int32, itemId int64) string {
-	keysData, _ := json.Marshal(keys)
+	keysData := strings.Join(keys, "$EDGE$")
-	return strconv.FormatUint(xxhash.Sum64String(strconv.FormatInt(serverId, 10)+"@"+string(keysData)+"@"+time+"@"+strconv.Itoa(int(version))+"@"+strconv.FormatInt(itemId, 10)), 10)
+	return strconv.FormatUint(fnv.HashString(strconv.FormatInt(serverId, 10)+"@"+keysData+"@"+time+"@"+strconv.Itoa(int(version))+"@"+strconv.FormatInt(itemId, 10)), 10)
 }

internal/metrics/task.go

@@ -23,7 +23,7 @@ import (
 	"time"
 )
 
-const MaxQueueSize = 10240
+const MaxQueueSize = 2048
 
 // Task 单个指标任务
 // 数据库存储：
@@ -58,7 +58,7 @@ type Task struct {
 	timeMap           map[string]zero.Zero // time => bool
 	serverIdMapLocker sync.Mutex
 
-	statsMap    map[string]*Stat
+	statsMap    map[string]*Stat // 待写入队列，hash => *Stat
 	statsLocker sync.Mutex
 	statsTicker *utils.Ticker
 }
@@ -210,7 +210,7 @@ func (this *Task) Start() error {
 			var tr = trackers.Begin("[METRIC]UPLOAD_STATS")
 			err := this.Upload(1 * time.Second)
 			tr.End()
-			if err != nil {
+			if err != nil && !rpc.IsConnError(err) {
 				remotelogs.Error("METRIC", "upload stats failed: "+err.Error())
 			}
 		}

internal/nodes/api_stream.go

@@ -1,32 +1,30 @@
 package nodes
 
 import (
+	"bytes"
 	"context"
-	"crypto/tls"
 	"encoding/json"
 	"fmt"
 	"github.com/TeaOSLab/EdgeCommon/pkg/messageconfigs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/TeaOSLab/EdgeNode/internal/caches"
-	"github.com/TeaOSLab/EdgeNode/internal/compressions"
 	"github.com/TeaOSLab/EdgeNode/internal/configs"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/errors"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/firewalls"
 	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/iwind/TeaGo/Tea"
-	"io"
+	"github.com/iwind/TeaGo/maps"
-	"net"
-	"net/http"
 	"net/url"
 	"os/exec"
+	"regexp"
+	"runtime"
 	"strconv"
-	"strings"
-	"sync"
 	"time"
 )
 
@@ -111,14 +109,12 @@ func (this *APIStream) loop() error {
 			err = this.handleStatCache(message)
 		case messageconfigs.MessageCodeCleanCache: // 清理缓存
 			err = this.handleCleanCache(message)
-		case messageconfigs.MessageCodePurgeCache: // 删除缓存
-			err = this.handlePurgeCache(message)
-		case messageconfigs.MessageCodePreheatCache: // 预热缓存
-			err = this.handlePreheatCache(message)
 		case messageconfigs.MessageCodeNewNodeTask: // 有新的任务
 			err = this.handleNewNodeTask(message)
 		case messageconfigs.MessageCodeCheckSystemdService: // 检查Systemd服务
 			err = this.handleCheckSystemdService(message)
+		case messageconfigs.MessageCodeCheckLocalFirewall: // 检查本地防火墙
+			err = this.handleCheckLocalFirewall(message)
 		case messageconfigs.MessageCodeChangeAPINode: // 修改API节点地址
 			err = this.handleChangeAPINode(message)
 		default:
@@ -328,224 +324,6 @@ func (this *APIStream) handleCleanCache(message *pb.NodeStreamMessage) error {
 	return nil
 }
 
-// 删除缓存
-func (this *APIStream) handlePurgeCache(message *pb.NodeStreamMessage) error {
-	msg := &messageconfigs.PurgeCacheMessage{}
-	err := json.Unmarshal(message.DataJSON, msg)
-	if err != nil {
-		this.replyFail(message.RequestId, "decode message data failed: "+err.Error())
-		return err
-	}
-
-	storage, shouldStop, err := this.cacheStorage(message, msg.CachePolicyJSON)
-	if err != nil {
-		return err
-	}
-	if shouldStop {
-		defer func() {
-			storage.Stop()
-		}()
-	}
-
-	// WEBP缓存
-	if msg.Type == "file" {
-		var keys = msg.Keys
-		for _, key := range keys {
-			keys = append(keys,
-				key+caches.SuffixMethod+"HEAD",
-				key+caches.SuffixWebP,
-				key+caches.SuffixPartial,
-			)
-			// TODO 根据实际缓存的内容进行组合
-			for _, encoding := range compressions.AllEncodings() {
-				keys = append(keys, key+caches.SuffixCompression+encoding)
-				keys = append(keys, key+caches.SuffixWebP+caches.SuffixCompression+encoding)
-			}
-		}
-		msg.Keys = keys
-	}
-
-	err = storage.Purge(msg.Keys, msg.Type)
-	if err != nil {
-		this.replyFail(message.RequestId, "purge keys failed: "+err.Error())
-		return err
-	}
-
-	this.replyOk(message.RequestId, "ok")
-
-	return nil
-}
-
-// 预热缓存
-func (this *APIStream) handlePreheatCache(message *pb.NodeStreamMessage) error {
-	msg := &messageconfigs.PreheatCacheMessage{}
-	err := json.Unmarshal(message.DataJSON, msg)
-	if err != nil {
-		this.replyFail(message.RequestId, "decode message data failed: "+err.Error())
-		return err
-	}
-
-	storage, shouldStop, err := this.cacheStorage(message, msg.CachePolicyJSON)
-	if err != nil {
-		return err
-	}
-	if shouldStop {
-		defer func() {
-			storage.Stop()
-		}()
-	}
-
-	if len(msg.Keys) == 0 {
-		this.replyOk(message.RequestId, "ok")
-		return nil
-	}
-
-	wg := sync.WaitGroup{}
-	wg.Add(len(msg.Keys))
-	client := &http.Client{
-		Timeout: 30 * time.Second, // TODO 可以设置请求超时时间
-		Transport: &http.Transport{
-			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
-				_, port, err := net.SplitHostPort(addr)
-				if err != nil {
-					return nil, err
-				}
-				return net.Dial(network, "127.0.0.1:"+port)
-			},
-			MaxIdleConns:          4096,
-			MaxIdleConnsPerHost:   32,
-			MaxConnsPerHost:       32,
-			IdleConnTimeout:       2 * time.Minute,
-			ExpectContinueTimeout: 1 * time.Second,
-			TLSHandshakeTimeout:   0,
-			TLSClientConfig: &tls.Config{
-				InsecureSkipVerify: true,
-			},
-		},
-	}
-	defer client.CloseIdleConnections()
-	errorMessages := []string{}
-	locker := sync.Mutex{}
-	for _, key := range msg.Keys {
-		go func(key string) {
-			defer wg.Done()
-
-			req, err := http.NewRequest(http.MethodGet, key, nil)
-			if err != nil {
-				locker.Lock()
-				errorMessages = append(errorMessages, "invalid url: "+key+": "+err.Error())
-				locker.Unlock()
-				return
-			}
-
-			// TODO 可以在管理界面自定义Header
-			req.Header.Set("X-Cache-Action", "preheat")
-			req.Header.Set("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36")
-			req.Header.Set("Accept-Encoding", "gzip, deflate, br") // TODO 这里需要记录下缓存是否为gzip的
-			resp, err := client.Do(req)
-			if err != nil {
-				locker.Lock()
-				errorMessages = append(errorMessages, "request failed: "+key+": "+err.Error())
-				locker.Unlock()
-				return
-			}
-
-			if resp.StatusCode != 200 {
-				locker.Lock()
-				errorMessages = append(errorMessages, "request failed: "+key+": status code '"+strconv.Itoa(resp.StatusCode)+"'")
-				locker.Unlock()
-				return
-			}
-
-			defer func() {
-				_ = resp.Body.Close()
-			}()
-
-			// 检查最大内容长度
-			// TODO 需要解决Chunked Transfer Encoding的长度判断问题
-			maxSize := storage.Policy().MaxSizeBytes()
-			if maxSize > 0 && resp.ContentLength > maxSize {
-				locker.Lock()
-				errorMessages = append(errorMessages, "request failed: the content is too larger than policy setting")
-				locker.Unlock()
-				return
-			}
-
-			expiredAt := time.Now().Unix() + 8600
-			writer, err := storage.OpenWriter(key, expiredAt, 200, resp.ContentLength, -1, false) // TODO 可以设置缓存过期时间
-			if err != nil {
-				locker.Lock()
-				errorMessages = append(errorMessages, "open cache writer failed: "+key+": "+err.Error())
-				locker.Unlock()
-				return
-			}
-
-			buf := make([]byte, 16*1024)
-			isClosed := false
-
-			// 写入Header
-			for k, v := range resp.Header {
-				for _, v1 := range v {
-					_, err = writer.WriteHeader([]byte(k + ":" + v1 + "\n"))
-					if err != nil {
-						locker.Lock()
-						errorMessages = append(errorMessages, "write failed: "+key+": "+err.Error())
-						locker.Unlock()
-						return
-					}
-				}
-			}
-
-			// 写入Body
-			for {
-				n, err := resp.Body.Read(buf)
-				if n > 0 {
-					_, writerErr := writer.Write(buf[:n])
-					if writerErr != nil {
-						locker.Lock()
-						errorMessages = append(errorMessages, "write failed: "+key+": "+writerErr.Error())
-						locker.Unlock()
-						break
-					}
-				}
-				if err != nil {
-					if err == io.EOF {
-
-						err = writer.Close()
-						if err == nil {
-							storage.AddToList(&caches.Item{
-								Type:      writer.ItemType(),
-								Key:       key,
-								ExpiredAt: expiredAt,
-							})
-						}
-						isClosed = true
-					} else {
-						locker.Lock()
-						errorMessages = append(errorMessages, "read url failed: "+key+": "+err.Error())
-						locker.Unlock()
-					}
-					break
-				}
-			}
-
-			if !isClosed {
-				_ = writer.Close()
-			}
-		}(key)
-	}
-	wg.Wait()
-
-	if len(errorMessages) > 0 {
-		this.replyFail(message.RequestId, strings.Join(errorMessages, ", "))
-		return nil
-	}
-
-	this.replyOk(message.RequestId, "ok")
-
-	return nil
-}
-
 // 处理配置变化
 func (this *APIStream) handleNewNodeTask(message *pb.NodeStreamMessage) error {
 	select {
@@ -569,7 +347,7 @@ func (this *APIStream) handleCheckSystemdService(message *pb.NodeStreamMessage)
 		return nil
 	}
 
-	cmd := utils.NewCommandExecutor()
+	var cmd = utils.NewCommandExecutor()
 	shortName := teaconst.SystemdServiceName
 	cmd.Add(systemctl, "is-enabled", shortName)
 	output, err := cmd.Run()
@@ -585,6 +363,63 @@ func (this *APIStream) handleCheckSystemdService(message *pb.NodeStreamMessage)
 	return nil
 }
 
+// 检查本地防火墙
+func (this *APIStream) handleCheckLocalFirewall(message *pb.NodeStreamMessage) error {
+	var dataMessage = &messageconfigs.CheckLocalFirewallMessage{}
+	err := json.Unmarshal(message.DataJSON, dataMessage)
+	if err != nil {
+		this.replyFail(message.RequestId, "decode message data failed: "+err.Error())
+		return nil
+	}
+
+	// nft
+	if dataMessage.Name == "nftables" {
+		if runtime.GOOS != "linux" {
+			this.replyFail(message.RequestId, "not Linux system")
+			return nil
+		}
+
+		nft, err := exec.LookPath("nft")
+		if err != nil {
+			this.replyFail(message.RequestId, "'nft' not found: "+err.Error())
+			return nil
+		}
+
+		var cmd = exec.Command(nft, "--version")
+		var output = &bytes.Buffer{}
+		cmd.Stdout = output
+		err = cmd.Run()
+		if err != nil {
+			this.replyFail(message.RequestId, "get version failed: "+err.Error())
+			return nil
+		}
+
+		var outputString = output.String()
+		var versionMatches = regexp.MustCompile(`nftables v([\d.]+)`).FindStringSubmatch(outputString)
+		if len(versionMatches) <= 1 {
+			this.replyFail(message.RequestId, "can not get nft version")
+			return nil
+		}
+		var version = versionMatches[1]
+
+		var result = maps.Map{
+			"version": version,
+		}
+
+		var protectionConfig = sharedNodeConfig.DDoSProtection
+		err = firewalls.SharedDDoSProtectionManager.Apply(protectionConfig)
+		if err != nil {
+			this.replyFail(message.RequestId, dataMessage.Name+"was installed, but apply DDoS protection config failed: "+err.Error())
+		} else {
+			this.replyOk(message.RequestId, string(result.AsJSON()))
+		}
+	} else {
+		this.replyFail(message.RequestId, "invalid firewall name '"+dataMessage.Name+"'")
+	}
+
+	return nil
+}
+
 // 修改API地址
 func (this *APIStream) handleChangeAPINode(message *pb.NodeStreamMessage) error {
 	config, err := configs.LoadAPIConfig()
@@ -660,6 +495,11 @@ func (this *APIStream) replyOk(requestId int64, message string) {
 	_ = this.stream.Send(&pb.NodeStreamMessage{RequestId: requestId, IsOk: true, Message: message})
 }
 
+// 回复成功并包含数据
+func (this *APIStream) replyOkData(requestId int64, message string, dataJSON []byte) {
+	_ = this.stream.Send(&pb.NodeStreamMessage{RequestId: requestId, IsOk: true, Message: message, DataJSON: dataJSON})
+}
+
 // 获取缓存存取对象
 func (this *APIStream) cacheStorage(message *pb.NodeStreamMessage, cachePolicyJSON []byte) (storage caches.StorageInterface, shouldStop bool, err error) {
 	cachePolicy := &serverconfigs.HTTPCachePolicy{}

internal/nodes/client_conn.go

@@ -7,13 +7,14 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/iplibrary"
-	"github.com/TeaOSLab/EdgeNode/internal/ratelimit"
+	"github.com/TeaOSLab/EdgeNode/internal/stats"
 	"github.com/TeaOSLab/EdgeNode/internal/ttlcache"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/TeaOSLab/EdgeNode/internal/waf"
 	"github.com/iwind/TeaGo/types"
 	"net"
 	"os"
+	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -21,19 +22,20 @@ import (
 
 // ClientConn 客户端连接
 type ClientConn struct {
-	once          sync.Once
+	once sync.Once
-	globalLimiter *ratelimit.Counter
 
 	isTLS       bool
 	hasDeadline bool
 	hasRead     bool
 
+	isLO bool // 是否为环路
+
 	hasResetSYNFlood bool
 
 	BaseClientConn
 }
 
-func NewClientConn(conn net.Conn, isTLS bool, quickClose bool, globalLimiter *ratelimit.Counter) net.Conn {
+func NewClientConn(conn net.Conn, isTLS bool, quickClose bool) net.Conn {
 	if quickClose {
 		// TCP
 		tcpConn, ok := conn.(*net.TCPConn)
@@ -43,10 +45,28 @@ func NewClientConn(conn net.Conn, isTLS bool, quickClose bool, globalLimiter *ra
 		}
 	}
 
-	return &ClientConn{BaseClientConn: BaseClientConn{rawConn: conn}, isTLS: isTLS, globalLimiter: globalLimiter}
+	// 是否为环路
+	var remoteAddr = conn.RemoteAddr().String()
+	var isLO = strings.HasPrefix(remoteAddr, "127.0.0.1:") || strings.HasPrefix(remoteAddr, "[::1]:")
+
+	return &ClientConn{
+		BaseClientConn: BaseClientConn{rawConn: conn},
+		isTLS:          isTLS,
+		isLO:           isLO,
+	}
 }
 
 func (this *ClientConn) Read(b []byte) (n int, err error) {
+	// 环路直接读取
+	if this.isLO {
+		n, err = this.rawConn.Read(b)
+		if n > 0 {
+			atomic.AddUint64(&teaconst.InTrafficBytes, uint64(n))
+		}
+		return
+	}
+
+	// TLS
 	if this.isTLS {
 		if !this.hasDeadline {
 			_ = this.rawConn.SetReadDeadline(time.Now().Add(time.Duration(nodeconfigs.DefaultTLSHandshakeTimeout) * time.Second)) // TODO 握手超时时间可以设置
@@ -57,6 +77,7 @@ func (this *ClientConn) Read(b []byte) (n int, err error) {
 		}
 	}
 
+	// 开始读取
 	n, err = this.rawConn.Read(b)
 	if n > 0 {
 		atomic.AddUint64(&teaconst.InTrafficBytes, uint64(n))
@@ -65,18 +86,21 @@ func (this *ClientConn) Read(b []byte) (n int, err error) {
 		}
 	}
 
-	// SYN Flood检测
 	var isHandshakeError = err != nil && os.IsTimeout(err) && !this.hasRead
 	if isHandshakeError {
 		_ = this.SetLinger(0)
 	}
-	var synFloodConfig = sharedNodeConfig.SYNFloodConfig()
+
-	if synFloodConfig != nil && synFloodConfig.IsOn {
+	// SYN Flood检测
-		if isHandshakeError {
+	if this.serverId == 0 || !this.hasResetSYNFlood {
-			this.increaseSYNFlood(synFloodConfig)
+		var synFloodConfig = sharedNodeConfig.SYNFloodConfig()
-		} else if err == nil && !this.hasResetSYNFlood {
+		if synFloodConfig != nil && synFloodConfig.IsOn {
-			this.hasResetSYNFlood = true
+			if isHandshakeError {
-			this.resetSYNFlood()
+				this.increaseSYNFlood(synFloodConfig)
+			} else if err == nil && !this.hasResetSYNFlood {
+				this.hasResetSYNFlood = true
+				this.resetSYNFlood()
+			}
 		}
 	}
 
@@ -87,7 +111,15 @@ func (this *ClientConn) Write(b []byte) (n int, err error) {
 	n, err = this.rawConn.Write(b)
 	if n > 0 {
 		atomic.AddUint64(&teaconst.OutTrafficBytes, uint64(n))
+
+		// 统计当前服务带宽
+		if this.serverId > 0 {
+			if !this.isLO { // 环路不统计带宽，避免缓存预热等行为产生带宽
+				stats.SharedBandwidthStatManager.Add(this.userId, this.serverId, int64(n))
+			}
+		}
 	}
+
 	return
 }
 
@@ -96,15 +128,10 @@ func (this *ClientConn) Close() error {
 
 	err := this.rawConn.Close()
 
-	// 全局并发数限制
-	this.once.Do(func() {
-		if this.globalLimiter != nil {
-			this.globalLimiter.Release()
-		}
-	})
-
 	// 单个服务并发数限制
-	sharedClientConnLimiter.Remove(this.rawConn.RemoteAddr().String())
+	if this.hasLimit {
+		sharedClientConnLimiter.Remove(this.rawConn.RemoteAddr().String())
+	}
 
 	return err
 }
@@ -137,7 +164,7 @@ func (this *ClientConn) increaseSYNFlood(synFloodConfig *firewallconfigs.SYNFloo
 	var ip = this.RawIP()
 	if len(ip) > 0 && !iplibrary.IsInWhiteList(ip) && (!synFloodConfig.IgnoreLocal || !utils.IsLocalIP(ip)) {
 		var timestamp = utils.NextMinuteUnixTime()
-		var result = ttlcache.SharedCache.IncreaseInt64("SYN_FLOOD:"+ip, 1, timestamp)
+		var result = ttlcache.SharedCache.IncreaseInt64("SYN_FLOOD:"+ip, 1, timestamp, true)
 		var minAttempts = synFloodConfig.MinAttempts
 		if minAttempts < 5 {
 			minAttempts = 5

internal/nodes/client_conn_base.go

@@ -8,8 +8,10 @@ type BaseClientConn struct {
 	rawConn net.Conn
 
 	isBound    bool
+	userId     int64
 	serverId   int64
 	remoteAddr string
+	hasLimit   bool
 
 	isClosed bool
 }
@@ -31,11 +33,32 @@ func (this *BaseClientConn) Bind(serverId int64, remoteAddr string, maxConnsPerS
 	this.isBound = true
 	this.serverId = serverId
 	this.remoteAddr = remoteAddr
+	this.hasLimit = true
 
 	// 检查是否可以连接
 	return sharedClientConnLimiter.Add(this.rawConn.RemoteAddr().String(), serverId, remoteAddr, maxConnsPerServer, maxConnsPerIP)
 }
 
+// SetServerId 设置服务ID
+func (this *BaseClientConn) SetServerId(serverId int64) {
+	this.serverId = serverId
+}
+
+// ServerId 读取当前连接绑定的服务ID
+func (this *BaseClientConn) ServerId() int64 {
+	return this.serverId
+}
+
+// SetUserId 设置所属服务的用户ID
+func (this *BaseClientConn) SetUserId(userId int64) {
+	this.userId = userId
+}
+
+// UserId 获取当前连接所属服务的用户ID
+func (this *BaseClientConn) UserId() int64 {
+	return this.userId
+}
+
 // RawIP 原本IP
 func (this *BaseClientConn) RawIP() string {
 	ip, _, _ := net.SplitHostPort(this.rawConn.RemoteAddr().String())

internal/nodes/client_conn_interface.go

@@ -11,4 +11,16 @@ type ClientConnInterface interface {
 
 	// Bind 绑定服务
 	Bind(serverId int64, remoteAddr string, maxConnsPerServer int, maxConnsPerIP int) bool
+
+	// ServerId 获取服务ID
+	ServerId() int64
+
+	// SetServerId 设置服务ID
+	SetServerId(serverId int64)
+
+	// SetUserId 设置所属服务的用户ID
+	SetUserId(userId int64)
+
+	// UserId 获取当前连接所属服务的用户ID
+	UserId() int64
 }

internal/nodes/client_conn_traffic.go

@@ -20,20 +20,21 @@ func init() {
 		goman.New(func() {
 			for range ticker.C {
 				// 加入到数据队列中
-				if teaconst.InTrafficBytes > 0 {
+				var inBytes = atomic.LoadUint64(&teaconst.InTrafficBytes)
+				atomic.StoreUint64(&teaconst.InTrafficBytes, 0) // 重置数据
+				if inBytes > 0 {
 					monitor.SharedValueQueue.Add(nodeconfigs.NodeValueItemTrafficIn, maps.Map{
-						"total": teaconst.InTrafficBytes,
+						"total": inBytes,
-					})
-				}
-				if teaconst.OutTrafficBytes > 0 {
-					monitor.SharedValueQueue.Add(nodeconfigs.NodeValueItemTrafficOut, maps.Map{
-						"total": teaconst.OutTrafficBytes,
 					})
 				}
 
-				// 重置数据
+				var outBytes = atomic.LoadUint64(&teaconst.OutTrafficBytes)
-				atomic.StoreUint64(&teaconst.InTrafficBytes, 0)
+				atomic.StoreUint64(&teaconst.OutTrafficBytes, 0) // 重置数据
-				atomic.StoreUint64(&teaconst.OutTrafficBytes, 0)
+				if outBytes > 0 {
+					monitor.SharedValueQueue.Add(nodeconfigs.NodeValueItemTrafficOut, maps.Map{
+						"total": outBytes,
+					})
+				}
 			}
 		})
 	})

internal/nodes/client_listener.go

@@ -3,16 +3,13 @@
 package nodes
 
 import (
-	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
+	"github.com/TeaOSLab/EdgeNode/internal/firewalls"
 	"github.com/TeaOSLab/EdgeNode/internal/iplibrary"
-	"github.com/TeaOSLab/EdgeNode/internal/ratelimit"
 	"github.com/TeaOSLab/EdgeNode/internal/waf"
 	"net"
 )
 
-var sharedConnectionsLimiter = ratelimit.NewCounter(nodeconfigs.DefaultTCPMaxConnections)
-
 // ClientListener 客户端网络监听
 type ClientListener struct {
 	rawListener net.Listener
@@ -36,13 +33,8 @@ func (this *ClientListener) IsTLS() bool {
 }
 
 func (this *ClientListener) Accept() (net.Conn, error) {
-	// 限制并发连接数
-	var limiter = sharedConnectionsLimiter
-	limiter.Ack()
-
 	conn, err := this.rawListener.Accept()
 	if err != nil {
-		limiter.Release()
 		return nil, err
 	}
 
@@ -50,22 +42,30 @@ func (this *ClientListener) Accept() (net.Conn, error) {
 	ip, _, err := net.SplitHostPort(conn.RemoteAddr().String())
 	if err == nil {
 		canGoNext, _ := iplibrary.AllowIP(ip, 0)
+		var beingDenied = !waf.SharedIPWhiteList.Contains(waf.IPTypeAll, firewallconfigs.FirewallScopeGlobal, 0, ip) &&
+			waf.SharedIPBlackList.Contains(waf.IPTypeAll, firewallconfigs.FirewallScopeGlobal, 0, ip)
 
-		if !canGoNext ||
+		if !canGoNext || beingDenied {
-			(!waf.SharedIPWhiteList.Contains(waf.IPTypeAll, firewallconfigs.FirewallScopeGlobal, 0, ip) &&
-				waf.SharedIPBlackList.Contains(waf.IPTypeAll, firewallconfigs.FirewallScopeGlobal, 0, ip)) {
 			tcpConn, ok := conn.(*net.TCPConn)
 			if ok {
 				_ = tcpConn.SetLinger(0)
 			}
 
 			_ = conn.Close()
-			limiter.Release()
+
+			// 使用本地防火墙延长封禁
+			if beingDenied {
+				var fw = firewalls.Firewall()
+				if fw != nil && !fw.IsMock() {
+					_ = fw.DropSourceIP(ip, 60)
+				}
+			}
+
 			return this.Accept()
 		}
 	}
 
-	return NewClientConn(conn, this.isTLS, this.quickClose, limiter), nil
+	return NewClientConn(conn, this.isTLS, this.quickClose), nil
 }
 
 func (this *ClientListener) Close() error {

internal/nodes/conn_linger.go

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

internal/nodes/http_access_log_queue.go

@@ -80,6 +80,13 @@ Loop:
 		return nil
 	}
 
+	// 发送到本地
+	if sharedHTTPAccessLogViewer.HasConns() {
+		for _, accessLog := range accessLogs {
+			sharedHTTPAccessLogViewer.Send(accessLog)
+		}
+	}
+
 	// 发送到API
 	if this.rpcClient == nil {
 		client, err := rpc.SharedRPC()

internal/nodes/http_access_log_viewer.go

@@ -0,0 +1,116 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package nodes
+
+import (
+	"fmt"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/iwind/TeaGo/types"
+	"net"
+	"os"
+	"sync"
+	"sync/atomic"
+)
+
+var sharedHTTPAccessLogViewer = NewHTTPAccessLogViewer()
+
+// HTTPAccessLogViewer 本地访问日志浏览器
+type HTTPAccessLogViewer struct {
+	sockFile string
+
+	listener net.Listener
+	connMap  map[int64]net.Conn // connId => net.Conn
+	connId   int64
+	locker   sync.Mutex
+}
+
+// NewHTTPAccessLogViewer 获取新对象
+func NewHTTPAccessLogViewer() *HTTPAccessLogViewer {
+	return &HTTPAccessLogViewer{
+		sockFile: os.TempDir() + "/" + teaconst.AccessLogSockName,
+		connMap:  map[int64]net.Conn{},
+	}
+}
+
+// Start 启动
+func (this *HTTPAccessLogViewer) Start() error {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	if this.listener == nil {
+		// remove if exists
+		_ = os.Remove(this.sockFile)
+
+		// start listening
+		listener, err := net.Listen("unix", this.sockFile)
+		if err != nil {
+			return err
+		}
+		this.listener = listener
+
+		go func() {
+			for {
+				conn, err := this.listener.Accept()
+				if err != nil {
+					remotelogs.Error("ACCESS_LOG", "start local reading failed: "+err.Error())
+					break
+				}
+
+				this.locker.Lock()
+				var connId = this.nextConnId()
+				this.connMap[connId] = conn
+				go func() {
+					this.startReading(conn, connId)
+				}()
+				this.locker.Unlock()
+			}
+		}()
+	}
+
+	return nil
+}
+
+// HasConns 检查是否有连接
+func (this *HTTPAccessLogViewer) HasConns() bool {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+	return len(this.connMap) > 0
+}
+
+// Send 发送日志
+func (this *HTTPAccessLogViewer) Send(accessLog *pb.HTTPAccessLog) {
+	var conns = []net.Conn{}
+	this.locker.Lock()
+	for _, conn := range this.connMap {
+		conns = append(conns, conn)
+	}
+	this.locker.Unlock()
+
+	if len(conns) == 0 {
+		return
+	}
+
+	for _, conn := range conns {
+		// ignore error
+		_, _ = conn.Write([]byte(accessLog.RemoteAddr + " [" + accessLog.TimeLocal + "] \"" + accessLog.RequestMethod + " " + accessLog.Scheme + "://" + accessLog.Host + accessLog.RequestURI + " " + accessLog.Proto + "\" " + types.String(accessLog.Status) + " - " + fmt.Sprintf("%.2fms", accessLog.RequestTime*1000) + "\n"))
+	}
+}
+
+func (this *HTTPAccessLogViewer) nextConnId() int64 {
+	return atomic.AddInt64(&this.connId, 1)
+}
+
+func (this *HTTPAccessLogViewer) startReading(conn net.Conn, connId int64) {
+	var buf = make([]byte, 1024)
+	for {
+		_, err := conn.Read(buf)
+		if err != nil {
+			this.locker.Lock()
+			delete(this.connMap, connId)
+			this.locker.Unlock()
+			break
+		}
+	}
+}

internal/nodes/http_cache_task_manager.go

@@ -0,0 +1,247 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package nodes
+
+import (
+	"context"
+	"crypto/tls"
+	"errors"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"github.com/TeaOSLab/EdgeNode/internal/compressions"
+	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/goman"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/TeaOSLab/EdgeNode/internal/rpc"
+	"github.com/iwind/TeaGo/Tea"
+	"io"
+	"io/ioutil"
+	"net"
+	"net/http"
+	"regexp"
+	"strings"
+	"time"
+)
+
+func init() {
+	events.On(events.EventStart, func() {
+		goman.New(func() {
+			SharedHTTPCacheTaskManager.Start()
+		})
+	})
+}
+
+var SharedHTTPCacheTaskManager = NewHTTPCacheTaskManager()
+
+// HTTPCacheTaskManager 缓存任务管理
+type HTTPCacheTaskManager struct {
+	ticker      *time.Ticker
+	httpClient  *http.Client
+	protocolReg *regexp.Regexp
+
+	taskQueue chan *pb.PurgeServerCacheRequest
+}
+
+func NewHTTPCacheTaskManager() *HTTPCacheTaskManager {
+	var duration = 30 * time.Second
+	if Tea.IsTesting() {
+		duration = 10 * time.Second
+	}
+	return &HTTPCacheTaskManager{
+		ticker: time.NewTicker(duration),
+		httpClient: &http.Client{
+			Timeout: 10 * time.Minute, // TODO 可以设置请求超时时间
+			Transport: &http.Transport{
+				DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+					_, port, err := net.SplitHostPort(addr)
+					if err != nil {
+						return nil, err
+					}
+					return net.Dial(network, "127.0.0.1:"+port)
+				},
+				MaxIdleConns:          128,
+				MaxIdleConnsPerHost:   32,
+				MaxConnsPerHost:       32,
+				IdleConnTimeout:       2 * time.Minute,
+				ExpectContinueTimeout: 1 * time.Second,
+				TLSHandshakeTimeout:   0,
+				TLSClientConfig: &tls.Config{
+					InsecureSkipVerify: true,
+				},
+			},
+		},
+		protocolReg: regexp.MustCompile(`^(?i)(http|https)://`),
+		taskQueue:   make(chan *pb.PurgeServerCacheRequest, 1024),
+	}
+}
+
+func (this *HTTPCacheTaskManager) Start() {
+	// task queue
+	goman.New(func() {
+		rpcClient, _ := rpc.SharedRPC()
+
+		if rpcClient != nil {
+			for taskReq := range this.taskQueue {
+				_, err := rpcClient.ServerRPC().PurgeServerCache(rpcClient.Context(), taskReq)
+				if err != nil {
+					remotelogs.Error("HTTP_CACHE_TASK_MANAGER", "create purge task failed: "+err.Error())
+				}
+			}
+		}
+	})
+
+	// Loop
+	for range this.ticker.C {
+		err := this.Loop()
+		if err != nil {
+			remotelogs.Error("HTTP_CACHE_TASK_MANAGER", "execute task failed: "+err.Error())
+		}
+	}
+}
+
+func (this *HTTPCacheTaskManager) Loop() error {
+	rpcClient, err := rpc.SharedRPC()
+	if err != nil {
+		return err
+	}
+
+	resp, err := rpcClient.HTTPCacheTaskKeyRPC().FindDoingHTTPCacheTaskKeys(rpcClient.Context(), &pb.FindDoingHTTPCacheTaskKeysRequest{})
+	if err != nil {
+		return err
+	}
+
+	var keys = resp.HttpCacheTaskKeys
+	if len(keys) == 0 {
+		return nil
+	}
+
+	var pbResults = []*pb.UpdateHTTPCacheTaskKeysStatusRequest_KeyResult{}
+
+	for _, key := range keys {
+		err = this.processKey(key)
+
+		var pbResult = &pb.UpdateHTTPCacheTaskKeysStatusRequest_KeyResult{
+			Id:            key.Id,
+			NodeClusterId: key.NodeClusterId,
+			Error:         "",
+		}
+
+		if err != nil {
+			pbResult.Error = err.Error()
+		}
+		pbResults = append(pbResults, pbResult)
+	}
+
+	_, err = rpcClient.HTTPCacheTaskKeyRPC().UpdateHTTPCacheTaskKeysStatus(rpcClient.Context(), &pb.UpdateHTTPCacheTaskKeysStatusRequest{KeyResults: pbResults})
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (this *HTTPCacheTaskManager) PushTaskKeys(keys []string) {
+	select {
+	case this.taskQueue <- &pb.PurgeServerCacheRequest{
+		Keys:     keys,
+		Prefixes: nil,
+	}:
+	default:
+	}
+}
+
+func (this *HTTPCacheTaskManager) processKey(key *pb.HTTPCacheTaskKey) error {
+	switch key.Type {
+	case "purge":
+		var storages = caches.SharedManager.FindAllStorages()
+		for _, storage := range storages {
+			switch key.KeyType {
+			case "key":
+				var cacheKeys = []string{key.Key}
+				if strings.HasPrefix(key.Key, "http://") {
+					cacheKeys = append(cacheKeys, strings.Replace(key.Key, "http://", "https://", 1))
+				} else if strings.HasPrefix(key.Key, "https://") {
+					cacheKeys = append(cacheKeys, strings.Replace(key.Key, "https://", "http://", 1))
+				}
+
+				// TODO 提升效率
+				for _, cacheKey := range cacheKeys {
+					var subKeys = []string{
+						cacheKey,
+						cacheKey + caches.SuffixMethod + "HEAD",
+						cacheKey + caches.SuffixWebP,
+						cacheKey + caches.SuffixPartial,
+					}
+					// TODO 根据实际缓存的内容进行组合
+					for _, encoding := range compressions.AllEncodings() {
+						subKeys = append(subKeys, cacheKey+caches.SuffixCompression+encoding)
+						subKeys = append(subKeys, cacheKey+caches.SuffixWebP+caches.SuffixCompression+encoding)
+					}
+
+					err := storage.Purge(subKeys, "file")
+					if err != nil {
+						return err
+					}
+				}
+			case "prefix":
+				var prefixes = []string{key.Key}
+				if strings.HasPrefix(key.Key, "http://") {
+					prefixes = append(prefixes, strings.Replace(key.Key, "http://", "https://", 1))
+				} else if strings.HasPrefix(key.Key, "https://") {
+					prefixes = append(prefixes, strings.Replace(key.Key, "https://", "http://", 1))
+				}
+
+				err := storage.Purge(prefixes, "dir")
+				if err != nil {
+					return err
+				}
+			}
+		}
+	case "fetch":
+		err := this.fetchKey(key)
+		if err != nil {
+			return err
+		}
+	default:
+		return errors.New("invalid operation type '" + key.Type + "'")
+	}
+
+	return nil
+}
+
+// TODO 增加失败重试
+// TODO 使用并发操作
+func (this *HTTPCacheTaskManager) fetchKey(key *pb.HTTPCacheTaskKey) error {
+	var fullKey = key.Key
+	if !this.protocolReg.MatchString(fullKey) {
+		fullKey = "https://" + fullKey
+	}
+
+	req, err := http.NewRequest(http.MethodGet, fullKey, nil)
+	if err != nil {
+		return errors.New("invalid url: " + fullKey + ": " + err.Error())
+	}
+
+	// TODO 可以在管理界面自定义Header
+	req.Header.Set("X-Edge-Cache-Action", "fetch")
+	req.Header.Set("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36") // TODO 可以定义
+	req.Header.Set("Accept-Encoding", "gzip, deflate, br")
+	resp, err := this.httpClient.Do(req)
+	if err != nil {
+		return errors.New("request failed: " + fullKey + ": " + err.Error())
+	}
+
+	defer func() {
+		_ = resp.Body.Close()
+	}()
+
+	// 读取内容，以便于生成缓存
+	_, _ = io.Copy(ioutil.Discard, resp.Body)
+
+	// 处理502
+	if resp.StatusCode == http.StatusBadGateway {
+		return errors.New("read origin site timeout")
+	}
+
+	return nil
+}

internal/nodes/http_cache_task_manager_test.go

@@ -0,0 +1,25 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package nodes_test
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
+	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"github.com/TeaOSLab/EdgeNode/internal/nodes"
+	"testing"
+)
+
+func TestHTTPCacheTaskManager_Loop(t *testing.T) {
+	// initialize cache policies
+	config, err := nodeconfigs.SharedNodeConfig()
+	if err != nil {
+		t.Fatal(err)
+	}
+	caches.SharedManager.UpdatePolicies(config.HTTPCachePolicies)
+
+	var manager = nodes.NewHTTPCacheTaskManager()
+	err = manager.Loop()
+	if err != nil {
+		t.Fatal(err)
+	}
+}

internal/nodes/http_client_pool.go

@@ -22,16 +22,18 @@ var SharedHTTPClientPool = NewHTTPClientPool()
 
 // HTTPClientPool 客户端池
 type HTTPClientPool struct {
-	clientExpiredDuration time.Duration
+	clientsMap map[string]*HTTPClient // backend key => client
-	clientsMap            map[string]*HTTPClient // backend key => client
+
-	locker                sync.Mutex
+	cleanTicker *time.Ticker
+
+	locker sync.RWMutex
 }
 
 // NewHTTPClientPool 获取新对象
 func NewHTTPClientPool() *HTTPClientPool {
-	pool := &HTTPClientPool{
+	var pool = &HTTPClientPool{
-		clientExpiredDuration: 3600 * time.Second,
+		cleanTicker: time.NewTicker(1 * time.Hour),
-		clientsMap:            map[string]*HTTPClient{},
+		clientsMap:  map[string]*HTTPClient{},
 	}
 
 	goman.New(func() {
@@ -42,27 +44,41 @@ func NewHTTPClientPool() *HTTPClientPool {
 }
 
 // Client 根据地址获取客户端
-func (this *HTTPClientPool) Client(req *HTTPRequest, origin *serverconfigs.OriginConfig, originAddr string, proxyProtocol *serverconfigs.ProxyProtocolConfig, followRedirects bool) (rawClient *http.Client, err error) {
+func (this *HTTPClientPool) Client(req *HTTPRequest,
+	origin *serverconfigs.OriginConfig,
+	originAddr string,
+	proxyProtocol *serverconfigs.ProxyProtocolConfig,
+	followRedirects bool) (rawClient *http.Client, err error) {
 	if origin.Addr == nil {
 		return nil, errors.New("origin addr should not be empty (originId:" + strconv.FormatInt(origin.Id, 10) + ")")
 	}
 
-	key := origin.UniqueKey() + "@" + originAddr
+	var key = origin.UniqueKey() + "@" + originAddr
-
-	this.locker.Lock()
-	defer this.locker.Unlock()
 
+	this.locker.RLock()
 	client, found := this.clientsMap[key]
+	this.locker.RUnlock()
 	if found {
 		client.UpdateAccessTime()
 		return client.RawClient(), nil
 	}
 
-	maxConnections := origin.MaxConns
+	// 这里不能使用RLock，避免因为并发生成多个同样的client实例
-	connectionTimeout := origin.ConnTimeoutDuration()
+	this.locker.Lock()
-	readTimeout := origin.ReadTimeoutDuration()
+	defer this.locker.Unlock()
-	idleTimeout := origin.IdleTimeoutDuration()
+
-	idleConns := origin.MaxIdleConns
+	// 再次查找
+	client, found = this.clientsMap[key]
+	if found {
+		client.UpdateAccessTime()
+		return client.RawClient(), nil
+	}
+
+	var maxConnections = origin.MaxConns
+	var connectionTimeout = origin.ConnTimeoutDuration()
+	var readTimeout = origin.ReadTimeoutDuration()
+	var idleTimeout = origin.IdleTimeoutDuration()
+	var idleConns = origin.MaxIdleConns
 
 	// 超时时间
 	if connectionTimeout <= 0 {
@@ -73,7 +89,7 @@ func (this *HTTPClientPool) Client(req *HTTPRequest, origin *serverconfigs.Origi
 		idleTimeout = 2 * time.Minute
 	}
 
-	numberCPU := runtime.NumCPU()
+	var numberCPU = runtime.NumCPU()
 	if numberCPU < 8 {
 		numberCPU = 8
 	}
@@ -100,49 +116,52 @@ func (this *HTTPClientPool) Client(req *HTTPRequest, origin *serverconfigs.Origi
 		}
 	}
 
-	var transport = &http.Transport{
+	var transport = &HTTPClientTransport{
-		DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+		Transport: &http.Transport{
-			// 支持TOA的连接
+			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
-			conn, err := this.handleTOA(req, ctx, network, originAddr, connectionTimeout)
+				// 支持TOA的连接
-			if conn != nil || err != nil {
+				conn, err := this.handleTOA(req, ctx, network, originAddr, connectionTimeout)
-				return conn, err
+				if conn != nil || err != nil {
-			}
+					return conn, err
+				}
 
-			// 普通的连接
+				// 普通的连接
-			conn, err = (&net.Dialer{
+				conn, err = (&net.Dialer{
-				Timeout:   connectionTimeout,
+					Timeout:   connectionTimeout,
-				KeepAlive: 1 * time.Minute,
+					KeepAlive: 1 * time.Minute,
-			}).DialContext(ctx, network, originAddr)
+				}).DialContext(ctx, network, originAddr)
-			if err != nil {
+				if err != nil {
-				return nil, err
+					return nil, err
-			}
+				}
 
-			// 处理PROXY protocol
+				// 处理PROXY protocol
-			err = this.handlePROXYProtocol(conn, req, proxyProtocol)
+				err = this.handlePROXYProtocol(conn, req, proxyProtocol)
-			if err != nil {
+				if err != nil {
-				return nil, err
+					return nil, err
-			}
+				}
 
-			return conn, nil
+				return conn, nil
+			},
+			MaxIdleConns:          0,
+			MaxIdleConnsPerHost:   idleConns,
+			MaxConnsPerHost:       maxConnections,
+			IdleConnTimeout:       idleTimeout,
+			ExpectContinueTimeout: 1 * time.Second,
+			TLSHandshakeTimeout:   5 * time.Second,
+			TLSClientConfig:       tlsConfig,
+			Proxy:                 nil,
 		},
-		MaxIdleConns:          0,
-		MaxIdleConnsPerHost:   idleConns,
-		MaxConnsPerHost:       maxConnections,
-		IdleConnTimeout:       idleTimeout,
-		ExpectContinueTimeout: 1 * time.Second,
-		TLSHandshakeTimeout:   3 * time.Second,
-		TLSClientConfig:       tlsConfig,
-		Proxy:                 nil,
 	}
 
 	rawClient = &http.Client{
 		Timeout:   readTimeout,
 		Transport: transport,
-		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+		CheckRedirect: func(targetReq *http.Request, via []*http.Request) error {
+			// 是否跟随
 			if followRedirects {
 				var schemeIsSame = true
 				for _, r := range via {
-					if r.URL.Scheme != req.URL.Scheme {
+					if r.URL.Scheme != targetReq.URL.Scheme {
 						schemeIsSame = false
 						break
 					}
@@ -163,13 +182,12 @@ func (this *HTTPClientPool) Client(req *HTTPRequest, origin *serverconfigs.Origi
 
 // 清理不使用的Client
 func (this *HTTPClientPool) cleanClients() {
-	ticker := time.NewTicker(this.clientExpiredDuration)
+	for range this.cleanTicker.C {
-	for range ticker.C {
+		var nowTime = time.Now().Unix()
-		currentAt := time.Now().Unix()
 
 		this.locker.Lock()
 		for k, client := range this.clientsMap {
-			if client.AccessTime() < currentAt+86400 { // 超过 N 秒没有调用就关闭
+			if client.AccessTime() < nowTime+86400 { // 超过 N 秒没有调用就关闭
 				delete(this.clientsMap, k)
 				client.Close()
 			}
@@ -181,11 +199,11 @@ func (this *HTTPClientPool) cleanClients() {
 // 支持TOA
 func (this *HTTPClientPool) handleTOA(req *HTTPRequest, ctx context.Context, network string, originAddr string, connectionTimeout time.Duration) (net.Conn, error) {
 	// TODO 每个服务读取自身所属集群的TOA设置
-	toaConfig := sharedTOAManager.Config()
+	var toaConfig = sharedTOAManager.Config()
 	if toaConfig != nil && toaConfig.IsOn {
-		retries := 3
+		var retries = 3
 		for i := 1; i <= retries; i++ {
-			port := int(toaConfig.RandLocalPort())
+			var port = int(toaConfig.RandLocalPort())
 			// TODO 思考是否支持X-Real-IP/X-Forwarded-IP
 			err := sharedTOAManager.SendMsg("add:" + strconv.Itoa(port) + ":" + req.requestRemoteAddr(true))
 			if err != nil {
@@ -223,7 +241,7 @@ func (this *HTTPClientPool) handlePROXYProtocol(conn net.Conn, req *HTTPRequest,
 		if reqConn != nil {
 			destAddr = reqConn.(net.Conn).LocalAddr()
 		}
-		header := proxyproto.Header{
+		var header = proxyproto.Header{
 			Version:           byte(proxyProtocol.Version),
 			Command:           proxyproto.PROXY,
 			TransportProtocol: transportProtocol,

internal/nodes/http_client_transport.go

@@ -0,0 +1,26 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package nodes
+
+import (
+	"net/http"
+)
+
+const emptyHTTPLocation = "/$EmptyHTTPLocation$"
+
+type HTTPClientTransport struct {
+	*http.Transport
+}
+
+func (this *HTTPClientTransport) RoundTrip(req *http.Request) (*http.Response, error) {
+	resp, err := this.Transport.RoundTrip(req)
+	if err != nil {
+		return resp, err
+	}
+
+	// 检查在跳转相关状态中Location是否存在
+	if httpStatusIsRedirect(resp.StatusCode) && len(resp.Header.Get("Location")) == 0 {
+		resp.Header.Set("Location", emptyHTTPLocation)
+	}
+	return resp, nil
+}

internal/nodes/http_request.go

@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"github.com/TeaOSLab/EdgeCommon/pkg/configutils"
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/iplibrary"
@@ -47,6 +48,13 @@ type HTTPRequest struct {
 	IsHTTP     bool
 	IsHTTPS    bool
 
+	// 共享参数
+	nodeConfig *nodeconfigs.NodeConfig
+
+	// ln request
+	isLnRequest  bool
+	lnRemoteAddr string
+
 	// 内部参数
 	isSubRequest         bool
 	writer               *HTTPWriter
@@ -81,11 +89,14 @@ type HTTPRequest struct {
 	firewallRuleSetId   int64
 	firewallRuleId      int64
 	firewallActions     []string
-	tags                []string
+	wafHasRequestBody   bool
+
+	tags []string
 
 	logAttrs map[string]string
 
-	disableLog bool // 此请求中关闭Log
+	disableLog bool // 是否在当前请求中关闭Log
+	forceLog   bool // 是否强制记录日志
 
 	// script相关操作
 	isDone bool
@@ -145,6 +156,9 @@ func (this *HTTPRequest) Do() {
 		return
 	}
 
+	// 是否为低级别节点
+	this.isLnRequest = this.checkLnRequest()
+
 	// 回调事件
 	this.onInit()
 	if this.writer.isFinished {
@@ -152,58 +166,89 @@ func (this *HTTPRequest) Do() {
 		return
 	}
 
-	// 特殊URL处理
+	// 处理健康检查
-	if len(this.rawURI) > 1 && this.rawURI[1] == '.' {
+	var isHealthCheck = false
-		// ACME
+	var healthCheckKey = this.RawReq.Header.Get(serverconfigs.HealthCheckHeaderName)
-		// TODO 需要配置是否启用ACME检测
+	if len(healthCheckKey) > 0 {
-		if strings.HasPrefix(this.rawURI, "/.well-known/acme-challenge/") {
+		if this.doHealthCheck(healthCheckKey, &isHealthCheck) {
-			this.doACME()
 			this.doEnd()
 			return
 		}
 	}
 
-	// 套餐
+	if !this.isLnRequest {
-	if this.ReqServer.UserPlan != nil && !this.ReqServer.UserPlan.IsAvailable() {
+		// 特殊URL处理
-		this.doPlanExpires()
+		if len(this.rawURI) > 1 && this.rawURI[1] == '.' {
-		this.doEnd()
+			// ACME
-		return
+			// TODO 需要配置是否启用ACME检测
-	}
+			if strings.HasPrefix(this.rawURI, "/.well-known/acme-challenge/") {
+				if this.doACME() {
+					this.doEnd()
+					return
+				}
+			}
+		}
 
-	// 流量限制
+		// 套餐
-	if this.ReqServer.TrafficLimit != nil && this.ReqServer.TrafficLimit.IsOn && !this.ReqServer.TrafficLimit.IsEmpty() && this.ReqServer.TrafficLimitStatus != nil && this.ReqServer.TrafficLimitStatus.IsValid() {
+		if this.ReqServer.UserPlan != nil && !this.ReqServer.UserPlan.IsAvailable() {
-		this.doTrafficLimit()
+			this.doPlanExpires()
-		this.doEnd()
-		return
-	}
-
-	// WAF
-	if this.web.FirewallRef != nil && this.web.FirewallRef.IsOn {
-		if this.doWAFRequest() {
 			this.doEnd()
 			return
 		}
-	}
 
-	// 访问控制
+		// 流量限制
-	if !this.isSubRequest && this.web.Auth != nil && this.web.Auth.IsOn {
+		if this.ReqServer.TrafficLimit != nil && this.ReqServer.TrafficLimit.IsOn && !this.ReqServer.TrafficLimit.IsEmpty() && this.ReqServer.TrafficLimitStatus != nil && this.ReqServer.TrafficLimitStatus.IsValid() {
-		if this.doAuth() {
+			this.doTrafficLimit()
 			this.doEnd()
 			return
 		}
-	}
 
-	// 自动跳转到HTTPS
+		// UAM
-	if this.IsHTTP && this.web.RedirectToHttps != nil && this.web.RedirectToHttps.IsOn {
+		if !isHealthCheck {
-		if this.doRedirectToHTTPS(this.web.RedirectToHttps) {
+			if this.web.UAM != nil {
-			this.doEnd()
+				if this.web.UAM.IsOn {
-			return
+					if this.doUAM() {
+						this.doEnd()
+						return
+					}
+				}
+			} else if this.ReqServer.UAM != nil && this.ReqServer.UAM.IsOn {
+				this.web.UAM = this.ReqServer.UAM
+				if this.doUAM() {
+					this.doEnd()
+					return
+				}
+			}
 		}
-	}
 
-	// Compression
+		// WAF
-	if this.web.Compression != nil && this.web.Compression.IsOn && this.web.Compression.Level > 0 {
+		if this.web.FirewallRef != nil && this.web.FirewallRef.IsOn {
-		this.writer.SetCompression(this.web.Compression)
+			if this.doWAFRequest() {
+				this.doEnd()
+				return
+			}
+		}
+
+		// 访问控制
+		if !this.isSubRequest && this.web.Auth != nil && this.web.Auth.IsOn {
+			if this.doAuth() {
+				this.doEnd()
+				return
+			}
+		}
+
+		// 自动跳转到HTTPS
+		if this.IsHTTP && this.web.RedirectToHttps != nil && this.web.RedirectToHttps.IsOn {
+			if this.doRedirectToHTTPS(this.web.RedirectToHttps) {
+				this.doEnd()
+				return
+			}
+		}
+
+		// Compression
+		if this.web.Compression != nil && this.web.Compression.IsOn && this.web.Compression.Level > 0 {
+			this.writer.SetCompression(this.web.Compression)
+		}
 	}
 
 	// 开始调用
@@ -218,49 +263,49 @@ func (this *HTTPRequest) Do() {
 
 // 开始调用
 func (this *HTTPRequest) doBegin() {
-	// 处理request limit
+	// 是否找不到域名匹配
-	if this.web.RequestLimit != nil &&
+	if this.ReqServer.Id == 0 {
-		this.web.RequestLimit.IsOn {
+		this.doMismatch()
-		if this.doRequestLimit() {
-			return
-		}
-	}
-
-	// 处理requestBody
-	if this.RawReq.ContentLength > 0 &&
-		this.web.AccessLogRef != nil &&
-		this.web.AccessLogRef.IsOn &&
-		this.web.AccessLogRef.ContainsField(serverconfigs.HTTPAccessLogFieldRequestBody) {
-		var err error
-		this.requestBodyData, err = ioutil.ReadAll(io.LimitReader(this.RawReq.Body, AccessLogMaxRequestBodySize))
-		if err != nil {
-			this.write50x(err, http.StatusBadGateway, false)
-			return
-		}
-		this.RawReq.Body = ioutil.NopCloser(io.MultiReader(bytes.NewBuffer(this.requestBodyData), this.RawReq.Body))
-	}
-
-	// 处理健康检查
-	var healthCheckKey = this.RawReq.Header.Get(serverconfigs.HealthCheckHeaderName)
-	if len(healthCheckKey) > 0 {
-		if this.doHealthCheck(healthCheckKey) {
-			return
-		}
-	}
-
-	// 跳转
-	if len(this.web.HostRedirects) > 0 {
-		if this.doHostRedirect() {
-			return
-		}
-	}
-
-	// 临时关闭页面
-	if this.web.Shutdown != nil && this.web.Shutdown.IsOn {
-		this.doShutdown()
 		return
 	}
 
+	if !this.isLnRequest {
+		// 处理request limit
+		if this.web.RequestLimit != nil &&
+			this.web.RequestLimit.IsOn {
+			if this.doRequestLimit() {
+				return
+			}
+		}
+
+		// 处理requestBody
+		if this.RawReq.ContentLength > 0 &&
+			this.web.AccessLogRef != nil &&
+			this.web.AccessLogRef.IsOn &&
+			this.web.AccessLogRef.ContainsField(serverconfigs.HTTPAccessLogFieldRequestBody) {
+			var err error
+			this.requestBodyData, err = ioutil.ReadAll(io.LimitReader(this.RawReq.Body, AccessLogMaxRequestBodySize))
+			if err != nil {
+				this.write50x(err, http.StatusBadGateway, false)
+				return
+			}
+			this.RawReq.Body = ioutil.NopCloser(io.MultiReader(bytes.NewBuffer(this.requestBodyData), this.RawReq.Body))
+		}
+
+		// 跳转
+		if len(this.web.HostRedirects) > 0 {
+			if this.doHostRedirect() {
+				return
+			}
+		}
+
+		// 临时关闭页面
+		if this.web.Shutdown != nil && this.web.Shutdown.IsOn {
+			this.doShutdown()
+			return
+		}
+	}
+
 	// 缓存
 	if this.web.Cache != nil && this.web.Cache.IsOn {
 		if this.doCacheRead(false) {
@@ -268,30 +313,32 @@ func (this *HTTPRequest) doBegin() {
 		}
 	}
 
-	// 重写规则
+	if !this.isLnRequest {
-	if this.rewriteRule != nil {
+		// 重写规则
-		if this.doRewrite() {
+		if this.rewriteRule != nil {
-			return
+			if this.doRewrite() {
-		}
+				return
-	}
+			}
-
-	// Fastcgi
-	if this.web.FastcgiRef != nil && this.web.FastcgiRef.IsOn && len(this.web.FastcgiList) > 0 {
-		if this.doFastcgi() {
-			return
-		}
-	}
-
-	// root
-	if this.web.Root != nil && this.web.Root.IsOn {
-		// 如果处理成功，则终止请求的处理
-		if this.doRoot() {
-			return
 		}
 
-		// 如果明确设置了终止，则也会自动终止
+		// Fastcgi
-		if this.web.Root.IsBreak {
+		if this.web.FastcgiRef != nil && this.web.FastcgiRef.IsOn && len(this.web.FastcgiList) > 0 {
-			return
+			if this.doFastcgi() {
+				return
+			}
+		}
+
+		// root
+		if this.web.Root != nil && this.web.Root.IsOn {
+			// 如果处理成功，则终止请求的处理
+			if this.doRoot() {
+				return
+			}
+
+			// 如果明确设置了终止，则也会自动终止
+			if this.web.Root.IsBreak {
+				return
+			}
 		}
 	}
 
@@ -312,28 +359,34 @@ func (this *HTTPRequest) doEnd() {
 
 	// 流量统计
 	// TODO 增加是否开启开关
-	// TODO 增加Header统计，考虑从Conn中读取
+	if this.ReqServer != nil && this.ReqServer.Id > 0 {
-	if this.ReqServer != nil {
+		var countCached int64 = 0
+		var cachedBytes int64 = 0
+
+		var countAttacks int64 = 0
+		var attackBytes int64 = 0
+
 		if this.isCached {
-			stats.SharedTrafficStatManager.Add(this.ReqServer.Id, this.ReqHost, this.writer.SentBodyBytes(), this.writer.SentBodyBytes(), 1, 1, 0, 0, this.ReqServer.ShouldCheckTrafficLimit(), this.ReqServer.PlanId())
+			countCached = 1
-		} else {
+			cachedBytes = this.writer.SentBodyBytes() + this.writer.SentHeaderBytes()
-			if this.isAttack {
+		}
-				stats.SharedTrafficStatManager.Add(this.ReqServer.Id, this.ReqHost, this.writer.SentBodyBytes(), 0, 1, 0, 1, this.writer.SentBodyBytes(), this.ReqServer.ShouldCheckTrafficLimit(), this.ReqServer.PlanId())
+		if this.isAttack {
-			} else {
+			countAttacks = 1
-				stats.SharedTrafficStatManager.Add(this.ReqServer.Id, this.ReqHost, this.writer.SentBodyBytes(), 0, 1, 0, 0, 0, this.ReqServer.ShouldCheckTrafficLimit(), this.ReqServer.PlanId())
+			attackBytes = this.CalculateSize()
-			}
 		}
-	}
 
-	// 指标
+		stats.SharedTrafficStatManager.Add(this.ReqServer.Id, this.ReqHost, this.writer.SentBodyBytes()+this.writer.SentHeaderBytes(), cachedBytes, 1, countCached, countAttacks, attackBytes, this.ReqServer.ShouldCheckTrafficLimit(), this.ReqServer.PlanId())
-	if metrics.SharedManager.HasHTTPMetrics() {
-		this.doMetricsResponse()
-	}
 
-	// 统计
+		// 指标
-	if this.web.StatRef != nil && this.web.StatRef.IsOn {
+		if metrics.SharedManager.HasHTTPMetrics() {
-		// 放到最后执行
+			this.doMetricsResponse()
-		this.doStat()
+		}
+
+		// 统计
+		if this.web.StatRef != nil && this.web.StatRef.IsOn {
+			// 放到最后执行
+			this.doStat()
+		}
 	}
 }
 
@@ -468,7 +521,10 @@ func (this *HTTPRequest) configureWeb(web *serverconfigs.HTTPWebConfig, isTop bo
 	// request scripts
 	if web.RequestScripts != nil {
 		if this.web.RequestScripts == nil {
-			this.web.RequestScripts = web.RequestScripts
+			this.web.RequestScripts = &serverconfigs.HTTPRequestScriptsConfig{
+				InitGroup:    web.RequestScripts.InitGroup,
+				RequestGroup: web.RequestScripts.RequestGroup,
+			} // 不要直接赋值，需要复制，防止在运行时被修改
 		} else {
 			if web.RequestScripts.InitGroup != nil && (web.RequestScripts.InitGroup.IsPrior || isTop) {
 				if this.web.RequestScripts == nil {
@@ -485,6 +541,11 @@ func (this *HTTPRequest) configureWeb(web *serverconfigs.HTTPWebConfig, isTop bo
 		}
 	}
 
+	// UAM
+	if web.UAM != nil && (web.UAM.IsPrior || isTop) {
+		this.web.UAM = web.UAM
+	}
+
 	// 重写规则
 	if len(web.RewriteRefs) > 0 {
 		for index, ref := range web.RewriteRefs {
@@ -791,9 +852,9 @@ func (this *HTTPRequest) Format(source string) string {
 		if prefix == "node" {
 			switch suffix {
 			case "id":
-				return strconv.FormatInt(sharedNodeConfig.Id, 10)
+				return strconv.FormatInt(this.nodeConfig.Id, 10)
 			case "name":
-				return sharedNodeConfig.Name
+				return this.nodeConfig.Name
 			case "role":
 				return teaconst.Role
 			}
@@ -952,13 +1013,13 @@ func (this *HTTPRequest) Format(source string) string {
 		if prefix == "product" {
 			switch suffix {
 			case "name":
-				if sharedNodeConfig.ProductConfig != nil && len(sharedNodeConfig.ProductConfig.Name) > 0 {
+				if this.nodeConfig.ProductConfig != nil && len(this.nodeConfig.ProductConfig.Name) > 0 {
-					return sharedNodeConfig.ProductConfig.Name
+					return this.nodeConfig.ProductConfig.Name
 				}
 				return teaconst.GlobalProductName
 			case "version":
-				if sharedNodeConfig.ProductConfig != nil && len(sharedNodeConfig.ProductConfig.Version) > 0 {
+				if this.nodeConfig.ProductConfig != nil && len(this.nodeConfig.ProductConfig.Version) > 0 {
-					return sharedNodeConfig.ProductConfig.Version
+					return this.nodeConfig.ProductConfig.Version
 				}
 				return teaconst.Version
 			}
@@ -977,6 +1038,10 @@ func (this *HTTPRequest) addVarMapping(varMapping map[string]string) {
 
 // 获取请求的客户端地址
 func (this *HTTPRequest) requestRemoteAddr(supportVar bool) string {
+	if len(this.lnRemoteAddr) > 0 {
+		return this.lnRemoteAddr
+	}
+
 	if supportVar && len(this.remoteAddr) > 0 {
 		return this.remoteAddr
 	}
@@ -993,7 +1058,7 @@ func (this *HTTPRequest) requestRemoteAddr(supportVar bool) string {
 	}
 
 	// X-Forwarded-For
-	forwardedFor := this.RawReq.Header.Get("X-Forwarded-For")
+	var forwardedFor = this.RawReq.Header.Get("X-Forwarded-For")
 	if len(forwardedFor) > 0 {
 		commaIndex := strings.Index(forwardedFor, ",")
 		if commaIndex > 0 {
@@ -1049,7 +1114,7 @@ func (this *HTTPRequest) requestRemoteAddr(supportVar bool) string {
 // 获取请求的客户端地址列表
 func (this *HTTPRequest) requestRemoteAddrs() (result []string) {
 	// X-Forwarded-For
-	forwardedFor := this.RawReq.Header.Get("X-Forwarded-For")
+	var forwardedFor = this.RawReq.Header.Get("X-Forwarded-For")
 	if len(forwardedFor) > 0 {
 		commaIndex := strings.Index(forwardedFor, ",")
 		if commaIndex > 0 {
@@ -1074,13 +1139,16 @@ func (this *HTTPRequest) requestRemoteAddrs() (result []string) {
 	}
 
 	// Remote-Addr
-	remoteAddr := this.RawReq.RemoteAddr
+	{
-	host, _, err := net.SplitHostPort(remoteAddr)
+		var remoteAddr = this.RawReq.RemoteAddr
-	if err == nil {
+		host, _, err := net.SplitHostPort(remoteAddr)
-		result = append(result, host)
+		if err == nil {
-	} else {
+			result = append(result, host)
-		result = append(result, remoteAddr)
+		} else {
+			result = append(result, remoteAddr)
+		}
 	}
+
 	return
 }
 
@@ -1278,6 +1346,28 @@ func (this *HTTPRequest) ContentLength() int64 {
 	return this.RawReq.ContentLength
 }
 
+// CalculateSize 计算当前请求的尺寸（预估）
+func (this *HTTPRequest) CalculateSize() (size int64) {
+	// Get /xxx HTTP/1.1
+	size += int64(len(this.RawReq.Method)) + 1
+	size += int64(len(this.RawReq.URL.String())) + 1
+	size += int64(len(this.RawReq.Proto)) + 1
+	for k, v := range this.RawReq.Header {
+		for _, v1 := range v {
+			size += int64(len(k) + 2 /** : **/ + len(v1) + 1)
+		}
+	}
+
+	size += 1 /** \r\n **/
+
+	if this.RawReq.ContentLength > 0 {
+		size += this.RawReq.ContentLength
+	} else if len(this.requestBodyData) > 0 {
+		size += int64(len(this.requestBodyData))
+	}
+	return size
+}
+
 // Method 请求方法
 func (this *HTTPRequest) Method() string {
 	return this.RawReq.Method
@@ -1385,7 +1475,12 @@ func (this *HTTPRequest) setForwardHeaders(header http.Header) {
 				header["X-Forwarded-For"] = []string{strings.Join(forwardedFor, ", ") + ", " + remoteAddr}
 			}
 		} else {
-			header["X-Forwarded-For"] = []string{remoteAddr}
+			var clientRemoteAddr = this.requestRemoteAddr(true)
+			if len(clientRemoteAddr) > 0 && clientRemoteAddr != remoteAddr {
+				header["X-Forwarded-For"] = []string{clientRemoteAddr + ", " + remoteAddr}
+			} else {
+				header["X-Forwarded-For"] = []string{remoteAddr}
+			}
 		}
 	}
 
@@ -1496,7 +1591,7 @@ func (this *HTTPRequest) fixRequestHeader(header http.Header) {
 
 // 处理自定义Response Header
 func (this *HTTPRequest) processResponseHeaders(statusCode int) {
-	responseHeader := this.writer.Header()
+	var responseHeader = this.writer.Header()
 
 	// 删除/添加/替换Header
 	// TODO 实现AddTrailers
@@ -1584,6 +1679,9 @@ func (this *HTTPRequest) addError(err error) {
 
 // 计算合适的buffer size
 func (this *HTTPRequest) bytePool(contentLength int64) *utils.BytePool {
+	if contentLength < 0 {
+		return utils.BytePool16k
+	}
 	if contentLength < 8192 { // 8K
 		return utils.BytePool1k
 	}

internal/nodes/http_request_acme.go

@@ -4,34 +4,36 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
-	"net/http"
 	"path/filepath"
 )
 
-func (this *HTTPRequest) doACME() {
+func (this *HTTPRequest) doACME() (shouldStop bool) {
 	// TODO 对请求进行校验，防止恶意攻击
 
-	token := filepath.Base(this.RawReq.URL.Path)
+	var token = filepath.Base(this.RawReq.URL.Path)
 	if token == "acme-challenge" || len(token) <= 32 {
-		this.writer.WriteHeader(http.StatusNotFound)
+		return false
-		return
 	}
 
 	rpcClient, err := rpc.SharedRPC()
 	if err != nil {
 		remotelogs.Error("RPC", "[ACME]rpc failed: "+err.Error())
-		return
+		return false
 	}
 
 	keyResp, err := rpcClient.ACMEAuthenticationRPC().FindACMEAuthenticationKeyWithToken(rpcClient.Context(), &pb.FindACMEAuthenticationKeyWithTokenRequest{Token: token})
 	if err != nil {
 		remotelogs.Error("RPC", "[ACME]read key for token failed: "+err.Error())
-		return
+		return false
 	}
 	if len(keyResp.Key) == 0 {
-		this.writer.WriteHeader(http.StatusNotFound)
+		return false
-	} else {
-		this.writer.Header().Set("Content-Type", "text/plain")
-		_, _ = this.writer.WriteString(keyResp.Key)
 	}
+
+	this.tags = append(this.tags, "ACME")
+
+	this.writer.Header().Set("Content-Type", "text/plain")
+	_, _ = this.writer.WriteString(keyResp.Key)
+
+	return true
 }

internal/nodes/http_request_cache.go

@@ -3,12 +3,9 @@ package nodes
 import (
 	"bytes"
 	"errors"
-	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeNode/internal/caches"
 	"github.com/TeaOSLab/EdgeNode/internal/compressions"
-	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
-	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	rangeutils "github.com/TeaOSLab/EdgeNode/internal/utils/ranges"
 	"github.com/iwind/TeaGo/types"
@@ -33,11 +30,6 @@ func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
 		return
 	}
 
-	// 判断是否在预热
-	if (strings.HasPrefix(this.RawReq.RemoteAddr, "127.") || strings.HasPrefix(this.RawReq.RemoteAddr, "[::1]")) && this.RawReq.Header.Get("X-Cache-Action") == "preheat" {
-		return
-	}
-
 	// 添加 X-Cache Header
 	var addStatusHeader = this.web.Cache.AddStatusHeader
 	if addStatusHeader {
@@ -89,6 +81,12 @@ func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
 		return
 	}
 
+	// 是否正在Purge
+	var isPurging = this.web.Cache.PurgeIsOn && strings.ToUpper(this.RawReq.Method) == "PURGE" && this.RawReq.Header.Get("X-Edge-Purge-Key") == this.web.Cache.PurgeKey
+	if isPurging {
+		this.RawReq.Method = http.MethodGet
+	}
+
 	// 校验请求
 	if !this.cacheRef.MatchRequest(this.RawReq) {
 		this.cacheRef = nil
@@ -136,8 +134,13 @@ func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
 	}
 	this.writer.cacheStorage = storage
 
+	// 如果正在预热，则不读取缓存，等待下一个步骤重新生成
+	if (strings.HasPrefix(this.RawReq.RemoteAddr, "127.") || strings.HasPrefix(this.RawReq.RemoteAddr, "[::1]")) && this.RawReq.Header.Get("X-Edge-Cache-Action") == "fetch" {
+		return
+	}
+
 	// 判断是否在Purge
-	if this.web.Cache.PurgeIsOn && strings.ToUpper(this.RawReq.Method) == "PURGE" && this.RawReq.Header.Get("X-Edge-Purge-Key") == this.web.Cache.PurgeKey {
+	if isPurging {
 		this.varMapping["cache.status"] = "PURGE"
 
 		var subKeys = []string{
@@ -159,22 +162,7 @@ func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
 		}
 
 		// 通过API节点清除别节点上的的Key
-		// TODO 改为队列，不需要每个请求都使用goroutine
+		SharedHTTPCacheTaskManager.PushTaskKeys([]string{key})
-		goman.New(func() {
-			rpcClient, err := rpc.SharedRPC()
-			if err == nil {
-				for _, rpcServerService := range rpcClient.ServerRPCList() {
-					_, err = rpcServerService.PurgeServerCache(rpcClient.Context(), &pb.PurgeServerCacheRequest{
-						Domains:  []string{this.ReqHost},
-						Keys:     []string{key},
-						Prefixes: nil,
-					})
-					if err != nil {
-						remotelogs.Error("HTTP_REQUEST_CACHE", "purge failed: "+err.Error())
-					}
-				}
-			}
-		})
 
 		return true
 	}
@@ -203,20 +191,35 @@ func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
 		webPIsEnabled = true
 	}
 
-	// 检查压缩缓存
+	// 检查WebP压缩缓存
+	if webPIsEnabled && !isPartialRequest && !isHeadMethod && reader == nil {
+		if this.web.Compression != nil && this.web.Compression.IsOn {
+			_, encoding, ok := this.web.Compression.MatchAcceptEncoding(this.RawReq.Header.Get("Accept-Encoding"))
+			if ok {
+				reader, _ = storage.OpenReader(key+caches.SuffixWebP+caches.SuffixCompression+encoding, useStale, false)
+				if reader != nil {
+					tags = append(tags, "webp", encoding)
+				}
+			}
+		}
+	}
+
+	// 检查WebP
+	if webPIsEnabled && !isPartialRequest &&
+		!isHeadMethod &&
+		reader == nil {
+		reader, _ = storage.OpenReader(key+caches.SuffixWebP, useStale, false)
+		if reader != nil {
+			this.writer.cacheReaderSuffix = caches.SuffixWebP
+			tags = append(tags, "webp")
+		}
+	}
+
+	// 检查普通压缩缓存
 	if !isPartialRequest && !isHeadMethod && reader == nil {
 		if this.web.Compression != nil && this.web.Compression.IsOn {
 			_, encoding, ok := this.web.Compression.MatchAcceptEncoding(this.RawReq.Header.Get("Accept-Encoding"))
 			if ok {
-				// 检查支持WebP的压缩缓存
-				if webPIsEnabled {
-					reader, _ = storage.OpenReader(key+caches.SuffixWebP+caches.SuffixCompression+encoding, useStale, false)
-					if reader != nil {
-						tags = append(tags, "webp", encoding)
-					}
-				}
-
-				// 检查普通压缩缓存
 				if reader == nil {
 					reader, _ = storage.OpenReader(key+caches.SuffixCompression+encoding, useStale, false)
 					if reader != nil {
@@ -227,24 +230,17 @@ func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
 		}
 	}
 
-	// 检查WebP
-	if !isPartialRequest &&
-		!isHeadMethod &&
-		reader == nil &&
-		webPIsEnabled {
-		reader, _ = storage.OpenReader(key+caches.SuffixWebP, useStale, false)
-		if reader != nil {
-			this.writer.cacheReaderSuffix = caches.SuffixWebP
-			tags = append(tags, "webp")
-		}
-	}
-
 	// 检查正常的文件
 	var isPartialCache = false
 	var partialRanges []rangeutils.Range
 	if reader == nil {
 		reader, err = storage.OpenReader(key, useStale, false)
 		if err != nil && this.cacheRef.AllowPartialContent {
+			// 尝试读取分片的缓存内容
+			if len(rangeHeader) == 0 {
+				// 默认读取开头
+				rangeHeader = "bytes=0-"
+			}
 			pReader, ranges := this.tryPartialReader(storage, key, useStale, rangeHeader)
 			if pReader != nil {
 				isPartialCache = true
@@ -304,6 +300,7 @@ func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
 
 	// 读取Header
 	var headerBuf = []byte{}
+	this.writer.SetSentHeaderBytes(reader.HeaderSize())
 	err = reader.ReadHeader(buf, func(n int) (goNext bool, err error) {
 		headerBuf = append(headerBuf, buf[:n]...)
 		for {
@@ -331,7 +328,7 @@ func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
 	}
 
 	// 设置cache.age变量
-	var age = strconv.FormatInt(reader.ExpiresAt()-utils.UnixTime(), 10)
+	var age = strconv.FormatInt(utils.UnixTime()-reader.LastModified(), 10)
 	this.varMapping["cache.age"] = age
 
 	if addStatusHeader {
@@ -375,9 +372,10 @@ func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
 	}
 
 	// 支持 If-None-Match
-	if !isPartialCache && len(eTag) > 0 && this.requestHeader("If-None-Match") == eTag {
+	if !this.isLnRequest && !isPartialCache && len(eTag) > 0 && this.requestHeader("If-None-Match") == eTag {
 		// 自定义Header
 		this.processResponseHeaders(http.StatusNotModified)
+		this.addExpiresHeader(reader.ExpiresAt())
 		this.writer.WriteHeader(http.StatusNotModified)
 		this.isCached = true
 		this.cacheRef = nil
@@ -386,9 +384,10 @@ func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
 	}
 
 	// 支持 If-Modified-Since
-	if !isPartialCache && len(modifiedTime) > 0 && this.requestHeader("If-Modified-Since") == modifiedTime {
+	if !this.isLnRequest && !isPartialCache && len(modifiedTime) > 0 && this.requestHeader("If-Modified-Since") == modifiedTime {
 		// 自定义Header
 		this.processResponseHeaders(http.StatusNotModified)
+		this.addExpiresHeader(reader.ExpiresAt())
 		this.writer.WriteHeader(http.StatusNotModified)
 		this.isCached = true
 		this.cacheRef = nil
@@ -399,6 +398,11 @@ func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
 	this.processResponseHeaders(reader.Status())
 	this.addExpiresHeader(reader.ExpiresAt())
 
+	// 返回上级节点过期时间
+	if this.isLnRequest {
+		respHeader.Set(LNExpiresHeader, types.String(reader.ExpiresAt()))
+	}
+
 	// 输出Body
 	if this.RawReq.Method == http.MethodHead {
 		this.writer.WriteHeader(reader.Status())
@@ -529,11 +533,22 @@ func (this *HTTPRequest) doCacheRead(useStale bool) (shouldStop bool) {
 				return true
 			}
 		} else { // 没有Range
-			var resp = &http.Response{Body: reader}
+			var resp = &http.Response{
+				Body:          reader,
+				ContentLength: reader.BodySize(),
+			}
 			this.writer.Prepare(resp, fileSize, reader.Status(), false)
 			this.writer.WriteHeader(reader.Status())
 
-			_, err = io.CopyBuffer(this.writer, resp.Body, buf)
+			if storage.CanSendfile() {
+				if fp, canSendFile := this.writer.canSendfile(); canSendFile {
+					this.writer.sentBodyBytes, err = io.CopyBuffer(this.writer.rawWriter, fp, buf)
+				} else {
+					_, err = io.CopyBuffer(this.writer, resp.Body, buf)
+				}
+			} else {
+				_, err = io.CopyBuffer(this.writer, resp.Body, buf)
+			}
 			if err == io.EOF {
 				err = nil
 			}
@@ -562,10 +577,12 @@ func (this *HTTPRequest) addExpiresHeader(expiresAt int64) {
 		if this.cacheRef.ExpiresTime.Overwrite || len(this.writer.Header().Get("Expires")) == 0 {
 			if this.cacheRef.ExpiresTime.AutoCalculate {
 				this.writer.Header().Set("Expires", time.Unix(utils.GMTUnixTime(expiresAt), 0).Format("Mon, 2 Jan 2006 15:04:05")+" GMT")
+				this.writer.Header().Del("Cache-Control")
 			} else if this.cacheRef.ExpiresTime.Duration != nil {
 				var duration = this.cacheRef.ExpiresTime.Duration.Duration()
 				if duration > 0 {
 					this.writer.Header().Set("Expires", utils.GMTTime(time.Now().Add(duration)).Format("Mon, 2 Jan 2006 15:04:05")+" GMT")
+					this.writer.Header().Del("Cache-Control")
 				}
 			}
 		}

internal/nodes/http_request_health_check.go

@@ -9,7 +9,7 @@ import (
 )
 
 // 健康检查
-func (this *HTTPRequest) doHealthCheck(key string) (stop bool) {
+func (this *HTTPRequest) doHealthCheck(key string, isHealthCheck *bool) (stop bool) {
 	this.tags = append(this.tags, "healthCheck")
 
 	this.RawReq.Header.Del(serverconfigs.HealthCheckHeaderName)
@@ -19,9 +19,15 @@ func (this *HTTPRequest) doHealthCheck(key string) (stop bool) {
 		remotelogs.Error("HTTP_REQUEST_HEALTH_CHECK", "decode key failed: "+err.Error())
 		return
 	}
+	*isHealthCheck = true
+
+	if !data.GetBool("accessLogIsOn") {
+		this.disableLog = true
+	}
 
 	if data.GetBool("onlyBasicRequest") {
 		return true
 	}
+
 	return
 }

internal/nodes/http_request_limit.go

@@ -2,9 +2,18 @@
 
 package nodes
 
-import "net/http"
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/iplibrary"
+	"net/http"
+)
 
 func (this *HTTPRequest) doRequestLimit() (shouldStop bool) {
+	// 是否在全局名单中
+	_, isInAllowedList := iplibrary.AllowIP(this.RemoteAddr(), this.ReqServer.Id)
+	if isInAllowedList {
+		return false
+	}
+
 	// 检查请求Body尺寸
 	// TODO 处理分片提交的内容
 	if this.web.RequestLimit.MaxBodyBytes() > 0 &&
@@ -15,7 +24,7 @@ func (this *HTTPRequest) doRequestLimit() (shouldStop bool) {
 
 	// 设置连接相关参数
 	if this.web.RequestLimit.MaxConns > 0 || this.web.RequestLimit.MaxConnsPerIP > 0 {
-		requestConn := this.RawReq.Context().Value(HTTPConnContextKey)
+		var requestConn = this.RawReq.Context().Value(HTTPConnContextKey)
 		if requestConn != nil {
 			clientConn, ok := requestConn.(ClientConnInterface)
 			if ok && !clientConn.IsBound() {

internal/nodes/http_request_ln.go

@@ -0,0 +1,21 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build !plus
+// +build !plus
+
+package nodes
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+)
+
+const (
+	LNExpiresHeader = "X-Edge-Ln-Expires"
+)
+
+func (this *HTTPRequest) checkLnRequest() bool {
+	return false
+}
+
+func (this *HTTPRequest) getLnOrigin() *serverconfigs.OriginConfig {
+	return nil
+}

internal/nodes/http_request_log.go

@@ -14,85 +14,88 @@ const (
 
 // 日志
 func (this *HTTPRequest) log() {
-	if this.disableLog {
+	var ref *serverconfigs.HTTPAccessLogRef
-		return
+	if !this.forceLog {
+		if this.disableLog {
+			return
+		}
+
+		// 计算请求时间
+		this.requestCost = time.Since(this.requestFromTime).Seconds()
+
+		ref = this.web.AccessLogRef
+		if ref == nil {
+			ref = serverconfigs.DefaultHTTPAccessLogRef
+		}
+		if !ref.IsOn {
+			return
+		}
+
+		if !ref.Match(this.writer.StatusCode()) {
+			return
+		}
+
+		if ref.FirewallOnly && this.firewallPolicyId == 0 {
+			return
+		}
+
+		// 是否记录499
+		if !ref.EnableClientClosed && this.writer.StatusCode() == 499 {
+			return
+		}
 	}
 
-	// 计算请求时间
+	var addr = this.RawReq.RemoteAddr
-	this.requestCost = time.Since(this.requestFromTime).Seconds()
+	var index = strings.LastIndex(addr, ":")
-
-	ref := this.web.AccessLogRef
-	if ref == nil {
-		ref = serverconfigs.DefaultHTTPAccessLogRef
-	}
-	if !ref.IsOn {
-		return
-	}
-
-	if !ref.Match(this.writer.StatusCode()) {
-		return
-	}
-
-	if ref.FirewallOnly && this.firewallPolicyId == 0 {
-		return
-	}
-
-	// 是否记录499
-	if !ref.EnableClientClosed && this.writer.StatusCode() == 499 {
-		return
-	}
-
-	addr := this.RawReq.RemoteAddr
-	index := strings.LastIndex(addr, ":")
 	if index > 0 {
 		addr = addr[:index]
 	}
 
 	// 请求Cookie
-	cookies := map[string]string{}
+	var cookies = map[string]string{}
-	if ref.ContainsField(serverconfigs.HTTPAccessLogFieldCookie) {
+	if ref == nil || ref.ContainsField(serverconfigs.HTTPAccessLogFieldCookie) {
 		for _, cookie := range this.RawReq.Cookies() {
 			cookies[cookie.Name] = cookie.Value
 		}
 	}
 
 	// 请求Header
-	pbReqHeader := map[string]*pb.Strings{}
+	var pbReqHeader = map[string]*pb.Strings{}
-	if ref.ContainsField(serverconfigs.HTTPAccessLogFieldHeader) {
+	if ref == nil || ref.ContainsField(serverconfigs.HTTPAccessLogFieldHeader) {
 		for k, v := range this.RawReq.Header {
 			pbReqHeader[k] = &pb.Strings{Values: v}
 		}
 	}
 
 	// 响应Header
-	pbResHeader := map[string]*pb.Strings{}
+	var pbResHeader = map[string]*pb.Strings{}
-	if ref.ContainsField(serverconfigs.HTTPAccessLogFieldSentHeader) {
+	if ref == nil || ref.ContainsField(serverconfigs.HTTPAccessLogFieldSentHeader) {
 		for k, v := range this.writer.Header() {
 			pbResHeader[k] = &pb.Strings{Values: v}
 		}
 	}
 
 	// 参数列表
-	queryString := ""
+	var queryString = ""
-	if ref.ContainsField(serverconfigs.HTTPAccessLogFieldArg) {
+	if ref == nil || ref.ContainsField(serverconfigs.HTTPAccessLogFieldArg) {
 		queryString = this.requestQueryString()
 	}
 
 	// 浏览器
-	userAgent := ""
+	var userAgent = ""
-	if ref.ContainsField(serverconfigs.HTTPAccessLogFieldUserAgent) || ref.ContainsField(serverconfigs.HTTPAccessLogFieldExtend) {
+	if ref == nil || ref.ContainsField(serverconfigs.HTTPAccessLogFieldUserAgent) || ref.ContainsField(serverconfigs.HTTPAccessLogFieldExtend) {
 		userAgent = this.RawReq.UserAgent()
 	}
 
 	// 请求来源
-	referer := ""
+	var referer = ""
-	if ref.ContainsField(serverconfigs.HTTPAccessLogFieldReferer) {
+	if ref == nil || ref.ContainsField(serverconfigs.HTTPAccessLogFieldReferer) {
 		referer = this.RawReq.Referer()
 	}
 
-	accessLog := &pb.HTTPAccessLog{
+	var accessLog = &pb.HTTPAccessLog{
 		RequestId:       this.requestId,
-		NodeId:          sharedNodeConfig.Id,
+		NodeId:          this.nodeConfig.Id,
 		ServerId:        this.ReqServer.Id,
 		RemoteAddr:      this.requestRemoteAddr(true),
 		RawRemoteAddr:   addr,
@@ -146,7 +149,7 @@ func (this *HTTPRequest) log() {
 	}
 
 	// 请求Body
-	if ref.ContainsField(serverconfigs.HTTPAccessLogFieldRequestBody) {
+	if (ref != nil && ref.ContainsField(serverconfigs.HTTPAccessLogFieldRequestBody)) || this.wafHasRequestBody {
 		accessLog.RequestBody = this.requestBodyData
 
 		if len(accessLog.RequestBody) > AccessLogMaxRequestBodySize {
@@ -154,7 +157,7 @@ func (this *HTTPRequest) log() {
 		}
 	}
 
-	// TODO 记录匹配的 locationId和rewriteId
+	// TODO 记录匹配的 locationId和rewriteId，非必要需求
 
 	sharedHTTPAccessLogQueue.Push(accessLog)
 }

internal/nodes/http_request_mismatch.go

@@ -0,0 +1,68 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package nodes
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeutils"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
+	"github.com/TeaOSLab/EdgeNode/internal/ttlcache"
+	"github.com/TeaOSLab/EdgeNode/internal/waf"
+	"net/http"
+	"time"
+)
+
+// 域名无匹配情况处理
+func (this *HTTPRequest) doMismatch() {
+	// 是否为健康检查
+	var healthCheckKey = this.RawReq.Header.Get(serverconfigs.HealthCheckHeaderName)
+	if len(healthCheckKey) > 0 {
+		_, err := nodeutils.Base64DecodeMap(healthCheckKey)
+		if err == nil {
+			this.writer.WriteHeader(http.StatusOK)
+			return
+		}
+	}
+
+	// 是否已经在黑名单
+	var remoteIP = this.RemoteAddr()
+	if waf.SharedIPBlackList.Contains(waf.IPTypeAll, firewallconfigs.FirewallScopeGlobal, 0, remoteIP) {
+		this.Close()
+		return
+	}
+
+	// 根据配置进行相应的处理
+	if sharedNodeConfig.GlobalConfig != nil && sharedNodeConfig.GlobalConfig.HTTPAll.MatchDomainStrictly {
+		// 检查cc
+		// TODO 可以在管理端配置是否开启以及最多尝试次数
+		if len(remoteIP) > 0 {
+			const maxAttempts = 100
+			if ttlcache.SharedCache.IncreaseInt64("MISMATCH_DOMAIN:"+remoteIP, int64(1), time.Now().Unix()+60, false) > maxAttempts {
+				// 在加入之前再次检查黑名单
+				if !waf.SharedIPBlackList.Contains(waf.IPTypeAll, firewallconfigs.FirewallScopeGlobal, 0, remoteIP) {
+					waf.SharedIPBlackList.RecordIP(waf.IPTypeAll, firewallconfigs.FirewallScopeGlobal, 0, remoteIP, time.Now().Unix()+int64(3600), 0, true, 0, 0, "access mismatch domain '"+this.RawReq.Host+"' too frequently")
+				}
+			}
+		}
+
+		// 处理当前连接
+		var httpAllConfig = sharedNodeConfig.GlobalConfig.HTTPAll
+		var mismatchAction = httpAllConfig.DomainMismatchAction
+		if mismatchAction != nil && mismatchAction.Code == "page" {
+			if mismatchAction.Options != nil {
+				this.writer.Header().Set("Content-Type", "text/html; charset=utf-8")
+				this.writer.WriteHeader(mismatchAction.Options.GetInt("statusCode"))
+				_, _ = this.writer.Write([]byte(mismatchAction.Options.GetString("contentHTML")))
+			} else {
+				http.Error(this.writer, "404 page not found: '"+this.URL()+"'", http.StatusNotFound)
+			}
+			return
+		} else {
+			http.Error(this.writer, "404 page not found: '"+this.URL()+"'", http.StatusNotFound)
+			this.Close()
+			return
+		}
+	}
+
+	http.Error(this.writer, "404 page not found: '"+this.URL()+"'", http.StatusNotFound)
+}

internal/nodes/http_request_reverse_proxy.go

@@ -7,6 +7,7 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/iwind/TeaGo/types"
 	"io"
 	"net/http"
 	"net/url"
@@ -36,22 +37,40 @@ func (this *HTTPRequest) doReverseProxy() {
 	requestCall.Request = this.RawReq
 	requestCall.Formatter = this.Format
 	requestCall.Domain = this.ReqHost
-	var origin = this.reverseProxy.NextOrigin(requestCall)
+
-	requestCall.CallResponseCallbacks(this.writer)
+	var origin *serverconfigs.OriginConfig
+
+	// 二级节点
+	if this.cacheRef != nil {
+		origin = this.getLnOrigin()
+		if origin != nil {
+			// 强制变更原来访问的域名
+			requestHost = this.ReqHost
+		}
+	}
+
+	// 自定义源站
 	if origin == nil {
-		err := errors.New(this.URL() + ": no available origin sites for reverse proxy")
+		origin = this.reverseProxy.NextOrigin(requestCall)
-		remotelogs.ServerError(this.ReqServer.Id, "HTTP_REQUEST_REVERSE_PROXY", err.Error(), "", nil)
+		requestCall.CallResponseCallbacks(this.writer)
-		this.write50x(err, http.StatusBadGateway, true)
+		if origin == nil {
-		return
+			err := errors.New(this.URL() + ": no available origin sites for reverse proxy")
+			remotelogs.ServerError(this.ReqServer.Id, "HTTP_REQUEST_REVERSE_PROXY", err.Error(), "", nil)
+			this.write50x(err, http.StatusBadGateway, true)
+			return
+		}
+
+		if len(origin.StripPrefix) > 0 {
+			stripPrefix = origin.StripPrefix
+		}
+		if len(origin.RequestURI) > 0 {
+			requestURI = origin.RequestURI
+			requestURIHasVariables = origin.RequestURIHasVariables()
+		}
 	}
+
 	this.origin = origin // 设置全局变量是为了日志等处理
-	if len(origin.StripPrefix) > 0 {
+
-		stripPrefix = origin.StripPrefix
-	}
-	if len(origin.RequestURI) > 0 {
-		requestURI = origin.RequestURI
-		requestURIHasVariables = origin.RequestURIHasVariables()
-	}
 	if len(origin.RequestHost) > 0 {
 		requestHost = origin.RequestHost
 		requestHostHasVariables = origin.RequestHostHasVariables()
@@ -59,7 +78,7 @@ func (this *HTTPRequest) doReverseProxy() {
 
 	// 处理Scheme
 	if origin.Addr == nil {
-		err := errors.New(this.URL() + ": origin '" + strconv.FormatInt(origin.Id, 10) + "' does not has a address")
+		err := errors.New(this.URL() + ": Origin '" + strconv.FormatInt(origin.Id, 10) + "' does not has a address")
 		remotelogs.Error("HTTP_REQUEST_REVERSE_PROXY", err.Error())
 		this.write50x(err, http.StatusBadGateway, true)
 		return
@@ -106,6 +125,18 @@ func (this *HTTPRequest) doReverseProxy() {
 	if origin.Addr.HostHasVariables() {
 		originAddr = this.Format(originAddr)
 	}
+
+	// 端口跟随
+	if origin.FollowPort {
+		var originHostIndex = strings.Index(originAddr, ":")
+		if originHostIndex < 0 {
+			var originErr = errors.New(this.URL() + ": Invalid origin address '" + originAddr + "', lacking port")
+			remotelogs.Error("HTTP_REQUEST_REVERSE_PROXY", originErr.Error())
+			this.write50x(originErr, http.StatusBadGateway, true)
+			return
+		}
+		originAddr = originAddr[:originHostIndex+1] + types.String(this.requestServerPort())
+	}
 	this.originAddr = originAddr
 
 	// RequestHost
@@ -115,6 +146,12 @@ func (this *HTTPRequest) doReverseProxy() {
 		} else {
 			this.RawReq.Host = requestHost
 		}
+
+		// 是否移除端口
+		if this.reverseProxy.RequestHostExcludingPort {
+			this.RawReq.Host = utils.ParseAddrHost(this.RawReq.Host)
+		}
+
 		this.RawReq.URL.Host = this.RawReq.Host
 	} else if this.reverseProxy.RequestHostType == serverconfigs.RequestHostTypeOrigin {
 		// 源站主机名
@@ -126,9 +163,21 @@ func (this *HTTPRequest) doReverseProxy() {
 		}
 
 		this.RawReq.Host = hostname
+
+		// 是否移除端口
+		if this.reverseProxy.RequestHostExcludingPort {
+			this.RawReq.Host = utils.ParseAddrHost(this.RawReq.Host)
+		}
+
 		this.RawReq.URL.Host = this.RawReq.Host
 	} else {
 		this.RawReq.URL.Host = this.ReqHost
+
+		// 是否移除端口
+		if this.reverseProxy.RequestHostExcludingPort {
+			this.RawReq.Host = utils.ParseAddrHost(this.RawReq.Host)
+			this.RawReq.URL.Host = utils.ParseAddrHost(this.RawReq.URL.Host)
+		}
 	}
 
 	// 重组请求URL
@@ -154,14 +203,14 @@ func (this *HTTPRequest) doReverseProxy() {
 
 	// 判断是否为Websocket请求
 	if this.RawReq.Header.Get("Upgrade") == "websocket" {
-		this.doWebsocket()
+		this.doWebsocket(requestHost)
 		return
 	}
 
 	// 获取请求客户端
 	client, err := SharedHTTPClientPool.Client(this, origin, originAddr, this.reverseProxy.ProxyProtocol, this.reverseProxy.FollowRedirects)
 	if err != nil {
-		remotelogs.Error("HTTP_REQUEST_REVERSE_PROXY", err.Error())
+		remotelogs.Error("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": Create client failed: "+err.Error())
 		this.write50x(err, http.StatusBadGateway, true)
 		return
 	}
@@ -178,13 +227,13 @@ func (this *HTTPRequest) doReverseProxy() {
 		// 客户端取消请求，则不提示
 		httpErr, ok := err.(*url.Error)
 		if !ok {
-			SharedOriginStateManager.Fail(origin, this.reverseProxy, func() {
+			SharedOriginStateManager.Fail(origin, requestHost, this.reverseProxy, func() {
 				this.reverseProxy.ResetScheduling()
 			})
 			this.write50x(err, http.StatusBadGateway, true)
-			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.RawReq.URL.String()+"': "+err.Error())
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.RawReq.URL.String()+": Request origin server failed: "+err.Error())
 		} else if httpErr.Err != context.Canceled {
-			SharedOriginStateManager.Fail(origin, this.reverseProxy, func() {
+			SharedOriginStateManager.Fail(origin, requestHost, this.reverseProxy, func() {
 				this.reverseProxy.ResetScheduling()
 			})
 			if httpErr.Timeout() {
@@ -195,7 +244,7 @@ func (this *HTTPRequest) doReverseProxy() {
 				this.write50x(err, http.StatusBadGateway, true)
 			}
 			if httpErr.Err != io.EOF {
-				remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.RawReq.URL.String()+"': "+err.Error())
+				remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": Request origin server failed: "+err.Error())
 			}
 		} else {
 			// 是否为客户端方面的错误
@@ -234,7 +283,7 @@ func (this *HTTPRequest) doReverseProxy() {
 		if this.doWAFResponse(resp) {
 			err = resp.Body.Close()
 			if err != nil {
-				remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", err.Error())
+				remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": Closing Error (WAF): "+err.Error())
 			}
 			return
 		}
@@ -244,7 +293,7 @@ func (this *HTTPRequest) doReverseProxy() {
 	if len(this.web.Pages) > 0 && this.doPage(resp.StatusCode) {
 		err = resp.Body.Close()
 		if err != nil {
-			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", err.Error())
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": Closing error (Page): "+err.Error())
 		}
 		return
 	}
@@ -261,6 +310,38 @@ func (this *HTTPRequest) doReverseProxy() {
 		}
 	}
 
+	// 替换Location中的源站地址
+	var locationHeader = resp.Header.Get("Location")
+	if len(locationHeader) > 0 {
+		// 空Location处理
+		if locationHeader == emptyHTTPLocation {
+			resp.Header.Del("Location")
+		} else {
+			// 自动修正Location中的源站地址
+			locationURL, err := url.Parse(locationHeader)
+			if err == nil && locationURL.Host != this.ReqHost && (locationURL.Host == originAddr || strings.HasPrefix(originAddr, locationURL.Host+":")) {
+				locationURL.Host = this.ReqHost
+
+				var oldScheme = locationURL.Scheme
+
+				// 尝试和当前Scheme一致
+				if this.IsHTTP {
+					locationURL.Scheme = "http"
+				} else if this.IsHTTPS {
+					locationURL.Scheme = "https"
+				}
+
+				// 如果和当前URL一样，则可能是http -> https，防止无限循环
+				if locationURL.String() == this.URL() {
+					locationURL.Scheme = oldScheme
+					resp.Header.Set("Location", locationURL.String())
+				} else {
+					resp.Header.Set("Location", locationURL.String())
+				}
+			}
+		}
+	}
+
 	// 响应Header
 	this.writer.AddHeaders(resp.Header)
 	this.processResponseHeaders(resp.StatusCode)
@@ -278,7 +359,12 @@ func (this *HTTPRequest) doReverseProxy() {
 
 	// 是否有内容
 	if resp.ContentLength == 0 && len(resp.TransferEncoding) == 0 {
+		// 即使内容为0，也需要读取一次，以便于触发相关事件
+		var buf = utils.BytePool4k.Get()
+		_, _ = io.CopyBuffer(this.writer, resp.Body, buf)
+		utils.BytePool4k.Put(buf)
 		_ = resp.Body.Close()
+
 		this.writer.SetOk()
 		return
 	}
@@ -309,13 +395,13 @@ func (this *HTTPRequest) doReverseProxy() {
 	var closeErr = resp.Body.Close()
 	if closeErr != nil {
 		if !this.canIgnore(closeErr) {
-			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", closeErr.Error())
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": Closing error: "+closeErr.Error())
 		}
 	}
 
 	if err != nil && err != io.EOF {
 		if !this.canIgnore(err) {
-			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", err.Error())
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": Writing error: "+err.Error())
 			this.addError(err)
 		}
 	}

internal/nodes/http_request_root.go

@@ -51,7 +51,7 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 		return true
 	}
 
-	rootDir := this.web.Root.Dir
+	var rootDir = this.web.Root.Dir
 	if this.web.Root.HasVariables() {
 		rootDir = this.Format(rootDir)
 	}
@@ -59,9 +59,9 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 		rootDir = Tea.Root + Tea.DS + rootDir
 	}
 
-	requestPath := this.uri
+	var requestPath = this.uri
 
-	questionMarkIndex := strings.Index(this.uri, "?")
+	var questionMarkIndex = strings.Index(this.uri, "?")
 	if questionMarkIndex > -1 {
 		requestPath = this.uri[:questionMarkIndex]
 	}
@@ -75,7 +75,9 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 		if err == nil {
 			requestPath = p
 		} else {
-			logs.Error(err)
+			if !this.canIgnore(err) {
+				logs.Error(err)
+			}
 		}
 	}
 
@@ -92,8 +94,8 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 		}
 	}
 
-	filename := strings.Replace(requestPath, "/", Tea.DS, -1)
+	var filename = strings.Replace(requestPath, "/", Tea.DS, -1)
-	filePath := ""
+	var filePath = ""
 	if len(filename) > 0 && filename[0:1] == Tea.DS {
 		filePath = rootDir + filename
 	} else {
@@ -113,7 +115,9 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 			return
 		} else {
 			this.write50x(err, http.StatusInternalServerError, true)
-			logs.Error(err)
+			if !this.canIgnore(err) {
+				logs.Error(err)
+			}
 			return true
 		}
 	}
@@ -142,7 +146,9 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 					return
 				} else {
 					this.write50x(err, http.StatusInternalServerError, true)
-					logs.Error(err)
+					if !this.canIgnore(err) {
+						logs.Error(err)
+					}
 					return true
 				}
 			}
@@ -152,24 +158,24 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 	}
 
 	// 响应header
-	respHeader := this.writer.Header()
+	var respHeader = this.writer.Header()
 
 	// mime type
-	contentType := ""
+	var contentType = ""
 	if this.web.ResponseHeaderPolicy == nil || !this.web.ResponseHeaderPolicy.IsOn || !this.web.ResponseHeaderPolicy.ContainsHeader("CONTENT-TYPE") {
-		ext := filepath.Ext(filePath)
+		var ext = filepath.Ext(filePath)
 		if len(ext) > 0 {
 			mimeType := mime.TypeByExtension(ext)
 			if len(mimeType) > 0 {
-				semicolonIndex := strings.Index(mimeType, ";")
+				var semicolonIndex = strings.Index(mimeType, ";")
-				mimeTypeKey := mimeType
+				var mimeTypeKey = mimeType
 				if semicolonIndex > 0 {
 					mimeTypeKey = mimeType[:semicolonIndex]
 				}
 
 				if _, found := textMimeMap[mimeTypeKey]; found {
 					if this.web.Charset != nil && this.web.Charset.IsOn && len(this.web.Charset.Charset) > 0 {
-						charset := this.web.Charset.Charset
+						var charset = this.web.Charset.Charset
 						if this.web.Charset.IsUpper {
 							charset = strings.ToUpper(charset)
 						}
@@ -197,7 +203,7 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 	}
 
 	// 支持 ETag
-	eTag := "\"e" + fmt.Sprintf("%0x", xxhash.Sum64String(filename+strconv.FormatInt(stat.ModTime().UnixNano(), 10)+strconv.FormatInt(stat.Size(), 10))) + "\""
+	var eTag = "\"e" + fmt.Sprintf("%0x", xxhash.Sum64String(filename+strconv.FormatInt(stat.ModTime().UnixNano(), 10)+strconv.FormatInt(stat.Size(), 10))) + "\""
 	if len(respHeader.Get("ETag")) == 0 {
 		respHeader.Set("ETag", eTag)
 	}
@@ -227,7 +233,7 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 	// 支持Range
 	respHeader.Set("Accept-Ranges", "bytes")
 	ifRangeHeaders, ok := this.RawReq.Header["If-Range"]
-	supportRange := true
+	var supportRange = true
 	if ok {
 		supportRange = false
 		for _, v := range ifRangeHeaders {
@@ -244,7 +250,7 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 	// 支持Range
 	var ranges = []rangeutils.Range{}
 	if supportRange {
-		contentRange := this.RawReq.Header.Get("Range")
+		var contentRange = this.RawReq.Header.Get("Range")
 		if len(contentRange) > 0 {
 			if fileSize == 0 {
 				this.processResponseHeaders(http.StatusRequestedRangeNotSatisfiable)
@@ -277,7 +283,7 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 		respHeader.Set("Content-Length", strconv.FormatInt(fileSize, 10))
 	}
 
-	reader, err := os.OpenFile(filePath, os.O_RDONLY, 0444)
+	fileReader, err := os.OpenFile(filePath, os.O_RDONLY, 0444)
 	if err != nil {
 		this.write50x(err, http.StatusInternalServerError, true)
 		return true
@@ -291,12 +297,16 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 		this.cacheRef = nil // 不支持缓存
 	}
 
-	this.writer.Prepare(nil, fileSize, http.StatusOK, true)
+	var resp = &http.Response{
+		ContentLength: fileSize,
+		Body:          fileReader,
+		StatusCode:    http.StatusOK,
+	}
+	this.writer.Prepare(resp, fileSize, http.StatusOK, true)
 
-	pool := this.bytePool(fileSize)
+	var pool = this.bytePool(fileSize)
-	buf := pool.Get()
+	var buf = pool.Get()
 	defer func() {
-		_ = reader.Close()
 		pool.Put(buf)
 	}()
 
@@ -304,12 +314,14 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 		respHeader.Set("Content-Range", ranges[0].ComposeContentRangeHeader(types.String(fileSize)))
 		this.writer.WriteHeader(http.StatusPartialContent)
 
-		ok, err := httpRequestReadRange(reader, buf, ranges[0].Start(), ranges[0].End(), func(buf []byte, n int) error {
+		ok, err := httpRequestReadRange(resp.Body, buf, ranges[0].Start(), ranges[0].End(), func(buf []byte, n int) error {
 			_, err := this.writer.Write(buf[:n])
 			return err
 		})
 		if err != nil {
-			logs.Error(err)
+			if !this.canIgnore(err) {
+				logs.Error(err)
+			}
 			return true
 		}
 		if !ok {
@@ -318,7 +330,7 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 			return true
 		}
 	} else if len(ranges) > 1 {
-		boundary := httpRequestGenBoundary()
+		var boundary = httpRequestGenBoundary()
 		respHeader.Set("Content-Type", "multipart/byteranges; boundary="+boundary)
 
 		this.writer.WriteHeader(http.StatusPartialContent)
@@ -330,30 +342,38 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 				_, err = this.writer.WriteString("\r\n--" + boundary + "\r\n")
 			}
 			if err != nil {
-				logs.Error(err)
+				if !this.canIgnore(err) {
+					logs.Error(err)
+				}
 				return true
 			}
 
 			_, err = this.writer.WriteString("Content-Range: " + r.ComposeContentRangeHeader(types.String(fileSize)) + "\r\n")
 			if err != nil {
-				logs.Error(err)
+				if !this.canIgnore(err) {
+					logs.Error(err)
+				}
 				return true
 			}
 
 			if len(contentType) > 0 {
 				_, err = this.writer.WriteString("Content-Type: " + contentType + "\r\n\r\n")
 				if err != nil {
-					logs.Error(err)
+					if !this.canIgnore(err) {
+						logs.Error(err)
+					}
 					return true
 				}
 			}
 
-			ok, err := httpRequestReadRange(reader, buf, r.Start(), r.End(), func(buf []byte, n int) error {
+			ok, err := httpRequestReadRange(resp.Body, buf, r.Start(), r.End(), func(buf []byte, n int) error {
 				_, err := this.writer.Write(buf[:n])
 				return err
 			})
 			if err != nil {
-				logs.Error(err)
+				if !this.canIgnore(err) {
+					logs.Error(err)
+				}
 				return true
 			}
 			if !ok {
@@ -365,14 +385,17 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 
 		_, err = this.writer.WriteString("\r\n--" + boundary + "--\r\n")
 		if err != nil {
-			logs.Error(err)
+			if !this.canIgnore(err) {
+				logs.Error(err)
+			}
 			return true
 		}
 	} else {
-		_, err = io.CopyBuffer(this.writer, reader, buf)
+		_, err = io.CopyBuffer(this.writer, resp.Body, buf)
-
 		if err != nil {
-			logs.Error(err)
+			if !this.canIgnore(err) {
+				logs.Error(err)
+			}
 			return true
 		}
 	}
@@ -400,7 +423,9 @@ func (this *HTTPRequest) findIndexFile(dir string) (filename string, stat os.Fil
 		if strings.Contains(index, "*") {
 			indexFiles, err := filepath.Glob(dir + Tea.DS + index)
 			if err != nil {
-				logs.Error(err)
+				if !this.canIgnore(err) {
+					logs.Error(err)
+				}
 				this.addError(err)
 				continue
 			}

internal/nodes/http_request_shutdown.go

@@ -17,12 +17,13 @@ func (this *HTTPRequest) doShutdown() {
 		return
 	}
 
-	if urlPrefixRegexp.MatchString(shutdown.URL) { // URL
-		this.doURL(http.MethodGet, shutdown.URL, "", shutdown.Status, true)
-		return
-	}
-
 	if len(shutdown.BodyType) == 0 || shutdown.BodyType == shared.BodyTypeURL {
+		// URL
+		if urlPrefixRegexp.MatchString(shutdown.URL) {
+			this.doURL(http.MethodGet, shutdown.URL, "", shutdown.Status, true)
+			return
+		}
+
 		// URL为空，则显示文本
 		if len(shutdown.URL) == 0 {
 			// 自定义响应Headers

internal/nodes/http_request_test.go

@@ -8,7 +8,7 @@ import (
 )
 
 func TestHTTPRequest_RedirectToHTTPS(t *testing.T) {
-	a := assert.NewAssertion(t)
+	var a = assert.NewAssertion(t)
 	{
 		req := &HTTPRequest{
 			ReqServer: &serverconfigs.ServerConfig{
@@ -47,4 +47,5 @@ func TestHTTPRequest_Memory(t *testing.T) {
 	var stat2 = &runtime.MemStats{}
 	runtime.ReadMemStats(stat2)
 	t.Log((stat2.HeapInuse-stat1.HeapInuse)/1024/1024, "MB,")
+	t.Log(len(requests))
 }

internal/nodes/http_request_uam.go

@@ -0,0 +1,10 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+//go:build !plus
+// +build !plus
+
+package nodes
+
+// UAM
+func (this *HTTPRequest) doUAM() (block bool) {
+	return false
+}