指标数据队列增加最大数量限制，防止过载

.gitignore

@@ -0,0 +1,2 @@
+*_plus.go
+*-plus.sh

build/build.sh

@@ -7,6 +7,7 @@ function build() {
 	DIST=$ROOT/"../dist/${NAME}"
 	OS=${1}
 	ARCH=${2}
+	TAG=${3}
 
 	if [ -z $OS ]; then
 		echo "usage: build.sh OS ARCH"
@@ -16,6 +17,9 @@ function build() {
 		echo "usage: build.sh OS ARCH"
 		exit
 	fi
+	if [ -z $TAG ]; then
+		TAG="community"
+	fi
 
 	echo "checking ..."
 	ZIP_PATH=$(which zip)
@@ -24,8 +28,8 @@ function build() {
 		exit
 	fi
 
-	echo "building v${VERSION}/${OS}/${ARCH} ..."
-	ZIP="${NAME}-${OS}-${ARCH}-v${VERSION}.zip"
+	echo "building v${VERSION}/${OS}/${ARCH}/${TAG} ..."
+	ZIP="${NAME}-${OS}-${ARCH}-${TAG}-v${VERSION}.zip"
 
 	echo "copying ..."
 	if [ ! -d $DIST ]; then
@@ -33,6 +37,7 @@ function build() {
 		mkdir $DIST/bin
 		mkdir $DIST/configs
 		mkdir $DIST/logs
+		mkdir $DIST/data
 	fi
 
 	cp $ROOT/configs/api.template.yaml $DIST/configs
@@ -47,7 +52,42 @@ function build() {
 	fi
 
 	echo "building ..."
-	env GOOS=${OS} GOARCH=${ARCH} go build -o $DIST/bin/${NAME} -ldflags="-s -w" $ROOT/../cmd/edge-node/main.go
+
+	MUSL_DIR="/usr/local/opt/musl-cross/bin"
+	CC_PATH=""
+	CXX_PATH=""
+	if [[ `uname -a` == *"Darwin"* && "${OS}" == "linux" ]]; then
+		# /usr/local/opt/musl-cross/bin/
+		if [ "${ARCH}" == "amd64" ]; then
+			CC_PATH="x86_64-linux-musl-gcc"
+			CXX_PATH="x86_64-linux-musl-g++"
+		fi
+		if [ "${ARCH}" == "386" ]; then
+			CC_PATH="i486-linux-musl-gcc"
+			CXX_PATH="i486-linux-musl-g++"
+		fi
+		if [ "${ARCH}" == "arm64" ]; then
+			CC_PATH="aarch64-linux-musl-gcc"
+			CXX_PATH="aarch64-linux-musl-g++"
+		fi
+		if [ "${ARCH}" == "arm" ]; then
+			CC_PATH="arm-linux-musleabi-gcc"
+			CXX_PATH="arm-linux-musleabi-g++"
+		fi
+		if [ "${ARCH}" == "mips64" ]; then
+			CC_PATH="mips64-linux-musl-gcc"
+			CXX_PATH="mips64-linux-musl-g++"
+		fi
+		if [ "${ARCH}" == "mips64le" ]; then
+			CC_PATH="mips64el-linux-musl-gcc"
+			CXX_PATH="mips64el-linux-musl-g++"
+		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 $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
+	fi
 
 	# delete hidden files
 	find $DIST -name ".DS_Store" -delete
@@ -78,4 +118,4 @@ function lookup-version() {
 	fi
 }
 
-build $1 $2
+build $1 $2 $3

build/data/.gitignore

@@ -0,0 +1 @@
+*

build/edge-toa/.gitignore

@@ -1 +0,0 @@
-edge-toa

cmd/edge-node/main.go

@@ -5,19 +5,19 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/apps"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/nodes"
-	"github.com/iwind/TeaGo/Tea"
 	_ "github.com/iwind/TeaGo/bootstrap"
-	"github.com/iwind/TeaGo/types"
-	"io/ioutil"
+	"github.com/iwind/TeaGo/logs"
+	"github.com/iwind/gosock/pkg/gosock"
+	"net/http"
+	_ "net/http/pprof"
 	"os"
-	"syscall"
 )
 
 func main() {
 	app := apps.NewAppCmd().
 		Version(teaconst.Version).
 		Product(teaconst.ProductName).
-		Usage(teaconst.ProcessName + " [-v|start|stop|restart|quit|test|service|daemon]")
+		Usage(teaconst.ProcessName + " [-v|start|stop|restart|status|quit|test|service|daemon|pprof]")
 
 	app.On("test", func() {
 		err := nodes.NewNode().Test()
@@ -37,25 +37,28 @@ func main() {
 		fmt.Println("done")
 	})
 	app.On("quit", func() {
-		pidFile := Tea.Root + "/bin/pid"
-		data, err := ioutil.ReadFile(pidFile)
+		var sock = gosock.NewTmpSock(teaconst.ProcessName)
+		_, err := sock.Send(&gosock.Command{Code: "quit"})
 		if err != nil {
 			fmt.Println("[ERROR]quit failed: " + err.Error())
 			return
 		}
-		pid := types.Int(string(data))
-		if pid == 0 {
-			fmt.Println("[ERROR]quit failed: pid=0")
-			return
-		}
+		fmt.Println("done")
+	})
+	app.On("pprof", func() {
+		// TODO 自己指定端口
+		addr := "127.0.0.1:6060"
+		logs.Println("starting with pprof '" + addr + "'...")
 
-		process, err := os.FindProcess(pid)
-		if err != nil {
-			return
-		}
-		if process != nil {
-			_ = process.Signal(syscall.SIGQUIT)
-		}
+		go func() {
+			err := http.ListenAndServe(addr, nil)
+			if err != nil {
+				logs.Println("[error]" + err.Error())
+			}
+		}()
+
+		node := nodes.NewNode()
+		node.Start()
 	})
 	app.Run(func() {
 		node := nodes.NewNode()

go.mod

@@ -9,16 +9,22 @@ require (
 	github.com/TeaOSLab/EdgeCommon v0.0.0-00010101000000-000000000000
 	github.com/cespare/xxhash v1.1.0
 	github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f
+	github.com/dop251/goja v0.0.0-20210804101310-32956a348b49
 	github.com/go-ole/go-ole v1.2.4 // indirect
 	github.com/go-yaml/yaml v2.1.0+incompatible
-	github.com/golang/protobuf v1.4.2
-	github.com/iwind/TeaGo v0.0.0-20201020081413-7cf62d6f420f
-	github.com/iwind/gofcgi v0.0.0-20210506081859-17498ab3e9d7
+	github.com/golang/protobuf v1.5.2
+	github.com/iwind/TeaGo v0.0.0-20210628135026-38575a4ab060
+	github.com/iwind/gofcgi v0.0.0-20210528023741-a92711d45f11
+	github.com/iwind/gosock v0.0.0-20210722083328-12b2d66abec3
 	github.com/lionsoul2014/ip2region v2.2.0-release+incompatible
+	github.com/mattn/go-sqlite3 v2.0.3+incompatible
 	github.com/mssola/user_agent v0.5.2
-	github.com/shirou/gopsutil v2.20.9+incompatible
-	golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7
-	golang.org/x/sys v0.0.0-20200519105757-fe76b779f299
-	google.golang.org/grpc v1.32.0
+	github.com/shirou/gopsutil v3.21.5+incompatible
+	github.com/tklauser/go-sysconf v0.3.6 // indirect
+	golang.org/x/net v0.0.0-20210614182718-04defd469f4e
+	golang.org/x/sys v0.0.0-20210616094352-59db8d763f22
+	golang.org/x/text v0.3.6
+	google.golang.org/genproto v0.0.0-20210617175327-b9e0b3197ced // indirect
+	google.golang.org/grpc v1.38.0
 	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776
 )

go.sum

@@ -11,18 +11,27 @@ github.com/benbjohnson/clock v1.0.3/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiU
 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/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=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 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/dlclark/regexp2 v1.4.1-0.20201116162257-a2a8dda75c91 h1:Izz0+t1Z5nI16/II7vuEo/nHjodOg0p7+OiDpjX5t1E=
+github.com/dlclark/regexp2 v1.4.1-0.20201116162257-a2a8dda75c91/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
+github.com/dop251/goja v0.0.0-20210804101310-32956a348b49 h1:CtSi0QlA2Hy+nOh8JAZoiEBLW5pliAiKJ3l1Iq1472I=
+github.com/dop251/goja v0.0.0-20210804101310-32956a348b49/go.mod h1:R9ET47fwRVRPZnOGvHxxhuZcbrMCuiqOz3Rlrh4KSnk=
+github.com/dop251/goja_nodejs v0.0.0-20210225215109-d91c329300e7/go.mod h1:hn7BA7c8pLvoGndExHudxTDKZ84Pyvv+90pbBjbTz0Y=
 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 v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 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/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
@@ -30,6 +39,8 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2
 github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
 github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
 github.com/go-redis/redis/v8 v8.0.0-beta.7/go.mod h1:FGJAWDWFht1sQ4qxyJHZZbVyvnVcKQN0E3u5/5lRz+g=
+github.com/go-sourcemap/sourcemap v2.1.3+incompatible h1:W1iEw64niKVGogNgBN3ePyLFfuisuzeidWPMPWmECqU=
+github.com/go-sourcemap/sourcemap v2.1.3+incompatible/go.mod h1:F8jJfvm2KbVjc5NqelyYJmf/v5J0dwNLS2mL4sNA1Jg=
 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/go-yaml/yaml v2.1.0+incompatible h1:RYi2hDdss1u4YE7GwixGzWwVo47T8UQwnTLB6vQiq+o=
@@ -45,35 +56,42 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
 github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
-github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 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 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/iwind/TeaGo v0.0.0-20200923021120-f5d76441fe9e/go.mod h1:KU4mS7QNiZ7QWEuDBk1zw0/Q2LrAPZv3tycEFBsuUwc=
-github.com/iwind/TeaGo v0.0.0-20201020081413-7cf62d6f420f h1:6Ws2H+eorfVUoMO2jta6A9nIdh8oi5/5LXo/LkAxR+E=
-github.com/iwind/TeaGo v0.0.0-20201020081413-7cf62d6f420f/go.mod h1:KU4mS7QNiZ7QWEuDBk1zw0/Q2LrAPZv3tycEFBsuUwc=
-github.com/iwind/gofcgi v0.0.0-20210506081859-17498ab3e9d7 h1:apv23QzWNmv0D76gB3+u/5kf0F/Yw4W8h489CWUZtss=
-github.com/iwind/gofcgi v0.0.0-20210506081859-17498ab3e9d7/go.mod h1:JtbX20untAjUVjZs1ZBtq80f5rJWvwtQNRL6EnuYRnY=
+github.com/iwind/TeaGo v0.0.0-20210628135026-38575a4ab060 h1:qdLtK4PDXxk2vMKkTWl5Fl9xqYuRCukzWAgJbLHdfOo=
+github.com/iwind/TeaGo v0.0.0-20210628135026-38575a4ab060/go.mod h1:KU4mS7QNiZ7QWEuDBk1zw0/Q2LrAPZv3tycEFBsuUwc=
+github.com/iwind/gofcgi v0.0.0-20210528023741-a92711d45f11 h1:DaQjoWZhLNxjhIXedVg4/vFEtHkZhK4IjIwsWdyzBLg=
+github.com/iwind/gofcgi v0.0.0-20210528023741-a92711d45f11/go.mod h1:JtbX20untAjUVjZs1ZBtq80f5rJWvwtQNRL6EnuYRnY=
+github.com/iwind/gosock v0.0.0-20210722083328-12b2d66abec3 h1:aBSonas7vFcgTj9u96/bWGILGv1ZbUSTLiOzcI1ZT6c=
+github.com/iwind/gosock v0.0.0-20210722083328-12b2d66abec3/go.mod h1:H5Q7SXwbx3a97ecJkaS2sD77gspzE7HFUafBO0peEyA=
 github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
+github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/lionsoul2014/ip2region v2.2.0-release+incompatible h1:1qp9iks+69h7IGLazAplzS9Ca14HAxuD5c0rbFdPGy4=
 github.com/lionsoul2014/ip2region v2.2.0-release+incompatible/go.mod h1:+ZBN7PBoh5gG6/y0ZQ85vJDBe21WnfbRrQQwTfliJJI=
+github.com/mattn/go-sqlite3 v2.0.3+incompatible h1:gXHsfypPkaMZrKbD5209QV9jbUTJKjyR5WD3HYQSd+U=
+github.com/mattn/go-sqlite3 v2.0.3+incompatible/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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@@ -87,14 +105,20 @@ github.com/opentracing/opentracing-go v1.1.1-0.20190913142402-a7454ce5950e/go.mo
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@@ -106,9 +130,11 @@ golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+o
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@@ -117,12 +143,16 @@ golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn
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@@ -134,34 +164,52 @@ golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -170,19 +218,24 @@ google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzi
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/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 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 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.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/apps/app_cmd.go

@@ -2,8 +2,11 @@ package apps
 
 import (
 	"fmt"
-	"github.com/iwind/TeaGo/Tea"
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/iwind/TeaGo/logs"
+	"github.com/iwind/TeaGo/maps"
+	"github.com/iwind/TeaGo/types"
+	"github.com/iwind/gosock/pkg/gosock"
 	"os"
 	"os/exec"
 	"runtime"
@@ -11,7 +14,7 @@ import (
 	"time"
 )
 
-// App命令帮助
+// AppCmd App命令帮助
 type AppCmd struct {
 	product       string
 	version       string
@@ -20,10 +23,14 @@ type AppCmd struct {
 	appendStrings []string
 
 	directives []*Directive
+
+	sock *gosock.Sock
 }
 
 func NewAppCmd() *AppCmd {
-	return &AppCmd{}
+	return &AppCmd{
+		sock: gosock.NewTmpSock(teaconst.ProcessName),
+	}
 }
 
 type CommandHelpOption struct {
@@ -31,25 +38,25 @@ type CommandHelpOption struct {
 	Description string
 }
 
-// 产品
+// Product 产品
 func (this *AppCmd) Product(product string) *AppCmd {
 	this.product = product
 	return this
 }
 
-// 版本
+// Version 版本
 func (this *AppCmd) Version(version string) *AppCmd {
 	this.version = version
 	return this
 }
 
-// 使用方法
+// Usage 使用方法
 func (this *AppCmd) Usage(usage string) *AppCmd {
 	this.usage = usage
 	return this
 }
 
-// 选项
+// Option 选项
 func (this *AppCmd) Option(code string, description string) *AppCmd {
 	this.options = append(this.options, &CommandHelpOption{
 		Code:        code,
@@ -58,13 +65,13 @@ func (this *AppCmd) Option(code string, description string) *AppCmd {
 	return this
 }
 
-// 附加内容
+// Append 附加内容
 func (this *AppCmd) Append(appendString string) *AppCmd {
 	this.appendStrings = append(this.appendStrings, appendString)
 	return this
 }
 
-// 打印
+// Print 打印
 func (this *AppCmd) Print() {
 	fmt.Println(this.product + " v" + this.version)
 
@@ -103,7 +110,7 @@ func (this *AppCmd) Print() {
 	}
 }
 
-// 添加指令
+// On 添加指令
 func (this *AppCmd) On(arg string, callback func()) {
 	this.directives = append(this.directives, &Directive{
 		Arg:      arg,
@@ -111,7 +118,7 @@ func (this *AppCmd) On(arg string, callback func()) {
 	})
 }
 
-// 运行
+// Run 运行
 func (this *AppCmd) Run(main func()) {
 	// 获取参数
 	args := os.Args[1:]
@@ -161,7 +168,7 @@ func (this *AppCmd) Run(main func()) {
 
 // 版本号
 func (this *AppCmd) runVersion() {
-	fmt.Println(this.product+" v"+this.version, "(build: "+runtime.Version(), runtime.GOOS, runtime.GOARCH+")")
+	fmt.Println(this.product+" v"+this.version, "(build: "+runtime.Version(), runtime.GOOS, runtime.GOARCH, teaconst.Tag+")")
 }
 
 // 帮助
@@ -171,9 +178,9 @@ func (this *AppCmd) runHelp() {
 
 // 启动
 func (this *AppCmd) runStart() {
-	proc := this.checkPid()
-	if proc != nil {
-		fmt.Println(this.product+" already started, pid:", proc.Pid)
+	var pid = this.getPID()
+	if pid > 0 {
+		fmt.Println(this.product+" already started, pid:", pid)
 		return
 	}
 
@@ -189,18 +196,15 @@ func (this *AppCmd) runStart() {
 
 // 停止
 func (this *AppCmd) runStop() {
-	proc := this.checkPid()
-	if proc == nil {
+	var pid = this.getPID()
+	if pid == 0 {
 		fmt.Println(this.product + " not started yet")
 		return
 	}
 
-	// 停止进程
-	_ = proc.Kill()
+	_, _ = this.sock.Send(&gosock.Command{Code: "stop"})
 
-	// 在Windows上经常不能及时释放资源
-	_ = DeletePid(Tea.Root + "/bin/pid")
-	fmt.Println(this.product+" stopped ok, pid:", proc.Pid)
+	fmt.Println(this.product+" stopped ok, pid:", types.String(pid))
 }
 
 // 重启
@@ -212,15 +216,24 @@ func (this *AppCmd) runRestart() {
 
 // 状态
 func (this *AppCmd) runStatus() {
-	proc := this.checkPid()
-	if proc == nil {
+	var pid = this.getPID()
+	if pid == 0 {
 		fmt.Println(this.product + " not started yet")
-	} else {
-		fmt.Println(this.product + " is running, pid: " + fmt.Sprintf("%d", proc.Pid))
+		return
 	}
+
+	fmt.Println(this.product + " is running, pid: " + types.String(pid))
 }
 
-// 检查PID
-func (this *AppCmd) checkPid() *os.Process {
-	return CheckPid(Tea.Root + "/bin/pid")
+// 获取当前的PID
+func (this *AppCmd) getPID() int {
+	if !this.sock.IsListening() {
+		return 0
+	}
+
+	reply, err := this.sock.Send(&gosock.Command{Code: "pid"})
+	if err != nil {
+		return 0
+	}
+	return maps.NewMap(reply.Params).GetInt("pid")
 }

internal/apps/file_others.go

@@ -1,17 +0,0 @@
-// +build !windows
-
-package apps
-
-import (
-	"os"
-	"syscall"
-)
-
-// lock file
-func LockFile(fp *os.File) error {
-	return syscall.Flock(int(fp.Fd()), syscall.LOCK_EX|syscall.LOCK_NB)
-}
-
-func UnlockFile(fp *os.File) error {
-	return syscall.Flock(int(fp.Fd()), syscall.LOCK_UN)
-}

internal/apps/file_windows.go

@@ -1,17 +0,0 @@
-// +build windows
-
-package apps
-
-import (
-	"errors"
-	"os"
-)
-
-// lock file
-func LockFile(fp *os.File) error {
-	return errors.New("not implemented on windows")
-}
-
-func UnlockFile(fp *os.File) error {
-	return errors.New("not implemented on windows")
-}

internal/apps/pid.go

@@ -1,119 +0,0 @@
-package apps
-
-import (
-	"fmt"
-	"github.com/TeaOSLab/EdgeNode/internal/events"
-	"github.com/iwind/TeaGo/Tea"
-	"github.com/iwind/TeaGo/types"
-	"io/ioutil"
-	"os"
-	"runtime"
-)
-
-var pidFileList = []*os.File{}
-
-// 检查Pid
-func CheckPid(path string) *os.Process {
-	// windows上打开的文件是不能删除的
-	if runtime.GOOS == "windows" {
-		if os.Remove(path) == nil {
-			return nil
-		}
-	}
-
-	file, err := os.Open(path)
-	if err != nil {
-		return nil
-	}
-
-	defer func() {
-		_ = file.Close()
-	}()
-
-	// 是否能取得Lock
-	err = LockFile(file)
-	if err == nil {
-		_ = UnlockFile(file)
-		return nil
-	}
-
-	pidBytes, err := ioutil.ReadAll(file)
-	if err != nil {
-		return nil
-	}
-	pid := types.Int(string(pidBytes))
-
-	if pid <= 0 {
-		return nil
-	}
-
-	proc, _ := os.FindProcess(pid)
-	return proc
-}
-
-// 写入Pid
-func WritePid() error {
-	path := Tea.Root + "/bin/pid"
-	fp, err := os.OpenFile(path, os.O_CREATE|os.O_TRUNC|os.O_WRONLY|os.O_RDONLY, 0666)
-	if err != nil {
-		return err
-	}
-	events.On(events.EventQuit, func() {
-		_ = fp.Close()
-	})
-
-	if runtime.GOOS != "windows" {
-		err = LockFile(fp)
-		if err != nil {
-			return err
-		}
-	}
-	pidFileList = append(pidFileList, fp) // hold the file pointers
-
-	_, err = fp.WriteString(fmt.Sprintf("%d", os.Getpid()))
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
-// 写入Ppid
-func WritePpid(path string) error {
-	fp, err := os.OpenFile(path, os.O_CREATE|os.O_TRUNC|os.O_WRONLY|os.O_RDONLY, 0666)
-	if err != nil {
-		return err
-	}
-
-	if runtime.GOOS != "windows" {
-		err = LockFile(fp)
-		if err != nil {
-			return err
-		}
-	}
-	pidFileList = append(pidFileList, fp) // hold the file pointers
-
-	_, err = fp.WriteString(fmt.Sprintf("%d", os.Getppid()))
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
-// 删除Pid
-func DeletePid(path string) error {
-	_, err := os.Stat(path)
-	if err != nil {
-		if !os.IsNotExist(err) {
-			return nil
-		}
-		return err
-	}
-
-	for _, fp := range pidFileList {
-		_ = UnlockFile(fp)
-		_ = fp.Close()
-	}
-	return os.Remove(path)
-}

internal/caches/errors.go

@@ -0,0 +1,41 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches
+
+import "errors"
+
+// 常用的几个错误
+var (
+	ErrNotFound      = errors.New("cache not found")
+	ErrFileIsWriting = errors.New("the file is writing")
+	ErrInvalidRange  = errors.New("invalid range")
+)
+
+// CapacityError 容量错误
+// 独立出来是为了可以在有些场合下可以忽略，防止产生没必要的错误提示数量太多
+type CapacityError struct {
+	err string
+}
+
+func NewCapacityError(err string) error {
+	return &CapacityError{err: err}
+}
+
+func (this *CapacityError) Error() string {
+	return this.err
+}
+
+// CanIgnoreErr 检查错误是否可以忽略
+func CanIgnoreErr(err error) bool {
+	if err == nil {
+		return true
+	}
+	if err == ErrFileIsWriting {
+		return true
+	}
+	_, ok := err.(*CapacityError)
+	if ok {
+		return true
+	}
+	return false
+}

internal/caches/errros_test.go

@@ -0,0 +1,16 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches
+
+import (
+	"github.com/iwind/TeaGo/assert"
+	"testing"
+)
+
+func TestCanIgnoreErr(t *testing.T) {
+	a := assert.NewAssertion(t)
+
+	a.IsTrue(CanIgnoreErr(ErrFileIsWriting))
+	a.IsTrue(CanIgnoreErr(NewCapacityError("over capcity")))
+	a.IsFalse(CanIgnoreErr(ErrNotFound))
+}

internal/caches/item.go

@@ -1,6 +1,8 @@
 package caches
 
-import "time"
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+)
 
 type ItemType = int
 
@@ -10,20 +12,22 @@ const (
 )
 
 type Item struct {
-	Type       ItemType
-	Key        string
-	ExpiredAt  int64
-	HeaderSize int64
-	BodySize   int64
-	MetaSize   int64
+	Type       ItemType `json:"type"`
+	Key        string   `json:"key"`
+	ExpiredAt  int64    `json:"expiredAt"`
+	HeaderSize int64    `json:"headerSize"`
+	BodySize   int64    `json:"bodySize"`
+	MetaSize   int64    `json:"metaSize"`
+	Host       string   `json:"host"`     // 主机名
+	ServerId   int64    `json:"serverId"` // 服务ID
 }
 
 func (this *Item) IsExpired() bool {
-	return this.ExpiredAt < time.Now().Unix()
+	return this.ExpiredAt < utils.UnixTime()
 }
 
 func (this *Item) TotalSize() int64 {
-	return this.Size() + this.MetaSize + int64(len(this.Key))
+	return this.Size() + this.MetaSize + int64(len(this.Key)) + 64
 }
 
 func (this *Item) Size() int64 {

internal/caches/list.go

@@ -1,145 +0,0 @@
-package caches
-
-import (
-	"strings"
-	"sync"
-)
-
-// 缓存列表管理
-type List struct {
-	m        map[string]*Item // hash => item
-	locker   sync.RWMutex
-	onAdd    func(item *Item)
-	onRemove func(item *Item)
-}
-
-func NewList() *List {
-	return &List{
-		m: map[string]*Item{},
-	}
-}
-
-func (this *List) Reset() {
-	this.locker.Lock()
-	this.m = map[string]*Item{}
-	this.locker.Unlock()
-}
-
-func (this *List) Add(hash string, item *Item) {
-	this.locker.Lock()
-	if this.onAdd != nil {
-		this.onAdd(item)
-	}
-	this.m[hash] = item
-	this.locker.Unlock()
-}
-
-func (this *List) Exist(hash string) bool {
-	this.locker.RLock()
-	defer this.locker.RUnlock()
-
-	item, ok := this.m[hash]
-	if !ok {
-		return false
-	}
-
-	return !item.IsExpired()
-}
-
-// 根据前缀进行查找
-func (this *List) FindKeysWithPrefix(prefix string) (keys []string) {
-	this.locker.RLock()
-	defer this.locker.RUnlock()
-
-	// TODO 需要优化性能，支持千万级数据低于1s的处理速度
-	for _, item := range this.m {
-		if strings.HasPrefix(item.Key, prefix) {
-			keys = append(keys, item.Key)
-		}
-	}
-	return
-}
-
-func (this *List) Remove(hash string) {
-	this.locker.Lock()
-
-	item, ok := this.m[hash]
-	if ok {
-		if this.onRemove != nil {
-			this.onRemove(item)
-		}
-		delete(this.m, hash)
-	}
-
-	this.locker.Unlock()
-}
-
-// 清理过期的缓存
-// count 每次遍历的最大数量，控制此数字可以保证每次清理的时候不用花太多时间
-// callback 每次发现过期key的调用
-func (this *List) Purge(count int, callback func(hash string)) {
-	this.locker.Lock()
-	deletedHashList := []string{}
-	for hash, item := range this.m {
-		if count <= 0 {
-			break
-		}
-
-		if item.IsExpired() {
-			if this.onRemove != nil {
-				this.onRemove(item)
-			}
-			delete(this.m, hash)
-			deletedHashList = append(deletedHashList, hash)
-		}
-
-		count--
-	}
-	this.locker.Unlock()
-
-	// 执行外部操作
-	for _, hash := range deletedHashList {
-		if callback != nil {
-			callback(hash)
-		}
-	}
-}
-
-func (this *List) Stat(check func(hash string) bool) *Stat {
-	this.locker.RLock()
-	defer this.locker.RUnlock()
-
-	result := &Stat{
-		Count: 0,
-		Size:  0,
-	}
-	for hash, item := range this.m {
-		if !item.IsExpired() {
-			// 检查文件是否存在、内容是否正确等
-			if check != nil && check(hash) {
-				result.Count++
-				result.ValueSize += item.Size()
-				result.Size += item.TotalSize()
-			}
-		}
-	}
-	return result
-}
-
-// 总数量
-func (this *List) Count() int64 {
-	this.locker.RLock()
-	count := int64(len(this.m))
-	this.locker.RUnlock()
-	return count
-}
-
-// 添加事件
-func (this *List) OnAdd(f func(item *Item)) {
-	this.onAdd = f
-}
-
-// 删除事件
-func (this *List) OnRemove(f func(item *Item)) {
-	this.onRemove = f
-}

internal/caches/list_file.go

@@ -0,0 +1,456 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches
+
+import (
+	"database/sql"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/TeaOSLab/EdgeNode/internal/ttlcache"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/iwind/TeaGo/lists"
+	_ "github.com/mattn/go-sqlite3"
+	"os"
+	"strconv"
+	"sync/atomic"
+	"time"
+)
+
+// FileList 文件缓存列表管理
+type FileList struct {
+	dir   string
+	db    *sql.DB
+	total int64
+
+	onAdd    func(item *Item)
+	onRemove func(item *Item)
+
+	existsByHashStmt *sql.Stmt // 根据hash检查是否存在
+	insertStmt       *sql.Stmt // 写入数据
+	selectByHashStmt *sql.Stmt // 使用hash查询数据
+	deleteByHashStmt *sql.Stmt // 根据hash删除数据
+	statStmt         *sql.Stmt // 统计
+	purgeStmt        *sql.Stmt // 清理
+	deleteAllStmt    *sql.Stmt // 删除所有数据
+
+	oldTables      []string
+	itemsTableName string
+
+	isClosed bool
+
+	memoryCache *ttlcache.Cache
+}
+
+func NewFileList(dir string) ListInterface {
+	return &FileList{
+		dir:         dir,
+		memoryCache: ttlcache.NewCache(),
+	}
+}
+
+func (this *FileList) Init() error {
+	// 检查目录是否存在
+	_, err := os.Stat(this.dir)
+	if err != nil {
+		err = os.MkdirAll(this.dir, 0777)
+		if err != nil {
+			return err
+		}
+		remotelogs.Println("CACHE", "create cache dir '"+this.dir+"'")
+	}
+
+	this.itemsTableName = "cacheItems_v2"
+
+	var dir = this.dir
+	if dir == "/" {
+		// 防止sqlite提示authority错误
+		dir = ""
+	}
+	db, err := sql.Open("sqlite3", "file:"+dir+"/index.db?cache=shared&mode=rwc&_journal_mode=WAL")
+	if err != nil {
+		return err
+	}
+	db.SetMaxOpenConns(1)
+	this.db = db
+
+	// 清除旧表
+	this.oldTables = []string{
+		"cacheItems",
+	}
+	err = this.removeOldTables()
+	if err != nil {
+		remotelogs.Warn("CACHE", "clean old tables failed: "+err.Error())
+	}
+
+	// TODO 耗时过长，暂时不整理数据库
+	/**_, err = db.Exec("VACUUM")
+	if err != nil {
+		return err
+	}**/
+
+	// 创建
+	err = this.initTables(db, 1)
+	if err != nil {
+		return err
+	}
+
+	// 读取总数量
+	row := this.db.QueryRow(`SELECT COUNT(*) FROM "` + this.itemsTableName + `"`)
+	if row.Err() != nil {
+		return row.Err()
+	}
+	var total int64
+	err = row.Scan(&total)
+	if err != nil {
+		return err
+	}
+	this.total = total
+
+	// 常用语句
+	this.existsByHashStmt, err = this.db.Prepare(`SELECT "expiredAt" FROM "` + this.itemsTableName + `" WHERE "hash"=? AND expiredAt>? LIMIT 1`)
+	if err != nil {
+		return err
+	}
+
+	this.insertStmt, err = this.db.Prepare(`INSERT INTO "` + this.itemsTableName + `" ("hash", "key", "headerSize", "bodySize", "metaSize", "expiredAt", "host", "serverId", "createdAt") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`)
+	if err != nil {
+		return err
+	}
+
+	this.selectByHashStmt, err = this.db.Prepare(`SELECT "key", "headerSize", "bodySize", "metaSize", "expiredAt" FROM "` + this.itemsTableName + `" WHERE "hash"=? LIMIT 1`)
+	if err != nil {
+		return err
+	}
+
+	this.deleteByHashStmt, err = this.db.Prepare(`DELETE FROM "` + this.itemsTableName + `" WHERE "hash"=?`)
+	if err != nil {
+		return err
+	}
+
+	this.statStmt, err = this.db.Prepare(`SELECT COUNT(*), IFNULL(SUM(headerSize+bodySize+metaSize), 0), IFNULL(SUM(headerSize+bodySize), 0) FROM "` + this.itemsTableName + `"`)
+	if err != nil {
+		return err
+	}
+
+	this.purgeStmt, err = this.db.Prepare(`SELECT "hash" FROM "` + this.itemsTableName + `" WHERE expiredAt<=? LIMIT ?`)
+	if err != nil {
+		return err
+	}
+
+	this.deleteAllStmt, err = this.db.Prepare(`DELETE FROM "` + this.itemsTableName + `"`)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (this *FileList) Reset() error {
+	// 不做任何事情
+	return nil
+}
+
+func (this *FileList) Add(hash string, item *Item) error {
+	if this.isClosed {
+		return nil
+	}
+
+	_, err := this.insertStmt.Exec(hash, item.Key, item.HeaderSize, item.BodySize, item.MetaSize, item.ExpiredAt, item.Host, item.ServerId, utils.UnixTime())
+	if err != nil {
+		return err
+	}
+
+	atomic.AddInt64(&this.total, 1)
+
+	if this.onAdd != nil {
+		this.onAdd(item)
+	}
+	return nil
+}
+
+func (this *FileList) Exist(hash string) (bool, error) {
+	if this.isClosed {
+		return false, nil
+	}
+
+	item := this.memoryCache.Read(hash)
+	if item != nil {
+		return true, nil
+	}
+
+	rows, err := this.existsByHashStmt.Query(hash, time.Now().Unix())
+	if err != nil {
+		return false, err
+	}
+	defer func() {
+		_ = rows.Close()
+	}()
+	if rows.Next() {
+		var expiredAt int64
+		err = rows.Scan(&expiredAt)
+		if err != nil {
+			return true, nil
+		}
+		this.memoryCache.Write(hash, 1, expiredAt)
+		return true, nil
+	}
+	return false, nil
+}
+
+// CleanPrefix 清理某个前缀的缓存数据
+func (this *FileList) CleanPrefix(prefix string) error {
+	if this.isClosed {
+		return nil
+	}
+
+	if len(prefix) == 0 {
+		return nil
+	}
+
+	defer func() {
+		this.memoryCache.Clean()
+	}()
+
+	var count = int64(10000)
+	for {
+		result, err := this.db.Exec(`UPDATE "`+this.itemsTableName+`" SET expiredAt=0 WHERE id IN (SELECT id FROM "`+this.itemsTableName+`" WHERE expiredAt>0 AND createdAt<=? AND INSTR("key", ?)=1 LIMIT `+strconv.FormatInt(count, 10)+`)`, utils.UnixTime(), prefix)
+		if err != nil {
+			return err
+		}
+		affectedRows, err := result.RowsAffected()
+		if err != nil {
+			return err
+		}
+		if affectedRows < count {
+			return nil
+		}
+	}
+}
+
+func (this *FileList) Remove(hash string) error {
+	if this.isClosed {
+		return nil
+	}
+
+	// 从缓存中删除
+	this.memoryCache.Delete(hash)
+
+	row := this.selectByHashStmt.QueryRow(hash)
+	if row.Err() != nil {
+		return row.Err()
+	}
+
+	var item = &Item{Type: ItemTypeFile}
+	err := row.Scan(&item.Key, &item.HeaderSize, &item.BodySize, &item.MetaSize, &item.ExpiredAt)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return nil
+		}
+		return err
+	}
+
+	_, err = this.deleteByHashStmt.Exec(hash)
+	if err != nil {
+		return err
+	}
+
+	atomic.AddInt64(&this.total, -1)
+
+	if this.onRemove != nil {
+		this.onRemove(item)
+	}
+
+	return nil
+}
+
+// Purge 清理过期的缓存
+// count 每次遍历的最大数量，控制此数字可以保证每次清理的时候不用花太多时间
+// callback 每次发现过期key的调用
+func (this *FileList) Purge(count int, callback func(hash string) error) error {
+	if this.isClosed {
+		return nil
+	}
+
+	if count <= 0 {
+		count = 1000
+	}
+
+	rows, err := this.purgeStmt.Query(time.Now().Unix(), count)
+	if err != nil {
+		return err
+	}
+
+	hashStrings := []string{}
+	for rows.Next() {
+		var hash string
+		err = rows.Scan(&hash)
+		if err != nil {
+			_ = rows.Close()
+			return err
+		}
+		hashStrings = append(hashStrings, hash)
+	}
+	_ = rows.Close() // 不能使用defer，防止读写冲突
+
+	// 不在 rows.Next() 循环中操作是为了避免死锁
+	for _, hash := range hashStrings {
+		err = this.Remove(hash)
+		if err != nil {
+			return err
+		}
+
+		err = callback(hash)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (this *FileList) CleanAll() error {
+	if this.isClosed {
+		return nil
+	}
+
+	this.memoryCache.Clean()
+
+	_, err := this.deleteAllStmt.Exec()
+	if err != nil {
+		return err
+	}
+	atomic.StoreInt64(&this.total, 0)
+	return nil
+}
+
+func (this *FileList) Stat(check func(hash string) bool) (*Stat, error) {
+	if this.isClosed {
+		return &Stat{}, nil
+	}
+
+	// 这里不设置过期时间、不使用 check 函数，目的是让查询更快速一些
+	row := this.statStmt.QueryRow()
+	if row.Err() != nil {
+		return nil, row.Err()
+	}
+	stat := &Stat{}
+	err := row.Scan(&stat.Count, &stat.Size, &stat.ValueSize)
+	if err != nil {
+		return nil, err
+	}
+
+	return stat, nil
+}
+
+// Count 总数量
+// 常用的方法，所以避免直接查询数据库
+func (this *FileList) Count() (int64, error) {
+	return atomic.LoadInt64(&this.total), nil
+}
+
+// OnAdd 添加事件
+func (this *FileList) OnAdd(f func(item *Item)) {
+	this.onAdd = f
+}
+
+// OnRemove 删除事件
+func (this *FileList) OnRemove(f func(item *Item)) {
+	this.onRemove = f
+}
+
+func (this *FileList) Close() error {
+	this.isClosed = true
+
+	this.memoryCache.Destroy()
+
+	if this.db != nil {
+		_ = this.existsByHashStmt.Close()
+		_ = this.insertStmt.Close()
+		_ = this.selectByHashStmt.Close()
+		_ = this.deleteByHashStmt.Close()
+		_ = this.statStmt.Close()
+		_ = this.purgeStmt.Close()
+		_ = this.deleteAllStmt.Close()
+
+		return this.db.Close()
+	}
+	return nil
+}
+
+// 初始化
+func (this *FileList) initTables(db *sql.DB, times int) error {
+	_, err := db.Exec(`CREATE TABLE IF NOT EXISTS "` + this.itemsTableName + `" (
+  "id" integer NOT NULL PRIMARY KEY AUTOINCREMENT,
+  "hash" varchar(32),
+  "key" varchar(1024),
+  "headerSize" integer DEFAULT 0,
+  "bodySize" integer DEFAULT 0,
+  "metaSize" integer DEFAULT 0,
+  "expiredAt" integer DEFAULT 0,
+  "createdAt" integer DEFAULT 0,
+  "host" varchar(128),
+  "serverId" integer
+);
+
+CREATE INDEX IF NOT EXISTS "createdAt"
+ON "` + this.itemsTableName + `" (
+  "createdAt" ASC
+);
+
+CREATE INDEX IF NOT EXISTS "expiredAt"
+ON "` + this.itemsTableName + `" (
+  "expiredAt" ASC
+);
+
+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 {
+		// 尝试删除重建
+		if times < 3 {
+			_, dropErr := db.Exec(`DROP TABLE "` + this.itemsTableName + `"`)
+			if dropErr == nil {
+				return this.initTables(db, times+1)
+			}
+			return err
+		}
+
+		return err
+	}
+
+	return nil
+}
+
+// 删除过期不用的表格
+func (this *FileList) removeOldTables() error {
+	rows, err := this.db.Query(`SELECT "name" FROM sqlite_master WHERE "type"='table'`)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		_ = rows.Close()
+	}()
+	for rows.Next() {
+		var name string
+		err = rows.Scan(&name)
+		if err != nil {
+			return err
+		}
+		if lists.ContainsString(this.oldTables, name) {
+			// 异步执行
+			go func() {
+				remotelogs.Println("CACHE", "remove old table '"+name+"' ...")
+				_, _ = this.db.Exec(`DROP TABLE "` + name + `"`)
+				remotelogs.Println("CACHE", "remove old table '"+name+"' done")
+			}()
+		}
+
+	}
+	return nil
+}

internal/caches/list_file_test.go

@@ -0,0 +1,269 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches
+
+import (
+	"github.com/iwind/TeaGo/Tea"
+	"github.com/iwind/TeaGo/rands"
+	stringutil "github.com/iwind/TeaGo/utils/string"
+	"strconv"
+	"sync"
+	"testing"
+	"time"
+)
+
+func TestFileList_Init(t *testing.T) {
+	list := NewFileList(Tea.Root + "/data")
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+func TestFileList_Add(t *testing.T) {
+	list := NewFileList(Tea.Root + "/data")
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = list.Add(stringutil.Md5("123456"), &Item{
+		Key:        "123456",
+		ExpiredAt:  time.Now().Unix(),
+		HeaderSize: 1,
+		MetaSize:   2,
+		BodySize:   3,
+		Host:       "teaos.cn",
+		ServerId:   1,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+func TestFileList_Add_Many(t *testing.T) {
+	list := NewFileList(Tea.Root + "/data")
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	before := time.Now()
+	for i := 0; i < 2000_0000; i++ {
+		u := "https://edge.teaos.cn/123456" + strconv.Itoa(i)
+		_ = list.Add(stringutil.Md5(u), &Item{
+			Key:        u,
+			ExpiredAt:  time.Now().Unix() + 3600,
+			HeaderSize: 1,
+			MetaSize:   2,
+			BodySize:   3,
+		})
+		if err != nil {
+			t.Fatal(err)
+		}
+		if i > 0 && i%10_000 == 0 {
+			t.Log(i, int(10000/time.Since(before).Seconds()), "qps")
+			before = time.Now()
+		}
+	}
+	t.Log("ok")
+}
+
+func TestFileList_Exist(t *testing.T) {
+	list := NewFileList(Tea.Root + "/data")
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	before := time.Now()
+	defer func() {
+		t.Log(time.Since(before).Seconds()*1000, "ms")
+	}()
+	{
+		exists, err := list.Exist(stringutil.Md5("123456"))
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("exists:", exists)
+	}
+	{
+		exists, err := list.Exist(stringutil.Md5("http://edge.teaos.cn/1234561"))
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("exists:", exists)
+	}
+}
+
+func TestFileList_Exist_Many_DB(t *testing.T) {
+	// 测试在多个数据库下的性能
+	var listSlice = []ListInterface{}
+	for i := 1; i <= 10; i++ {
+		list := NewFileList(Tea.Root + "/data/data" + strconv.Itoa(i))
+		err := list.Init()
+		if err != nil {
+			t.Fatal(err)
+		}
+		listSlice = append(listSlice, list)
+	}
+
+	var wg = sync.WaitGroup{}
+	var threads = 8
+	wg.Add(threads)
+
+	var count = 200_000
+	var countLocker sync.Mutex
+	var tasks = make(chan int, count)
+	for i := 0; i < count; i++ {
+		tasks <- i
+	}
+
+	var hash = stringutil.Md5("http://edge.teaos.cn/1234561")
+
+	before := time.Now()
+	defer func() {
+		t.Log(time.Since(before).Seconds()*1000, "ms")
+	}()
+
+	for i := 0; i < threads; i++ {
+		go func() {
+			defer wg.Done()
+
+			for {
+				select {
+				case <-tasks:
+					countLocker.Lock()
+					count--
+					countLocker.Unlock()
+
+					var list = listSlice[rands.Int(0, len(listSlice)-1)]
+					_, _ = list.Exist(hash)
+				default:
+					return
+				}
+			}
+		}()
+	}
+	wg.Wait()
+	t.Log("left:", count)
+}
+
+func TestFileList_CleanPrefix(t *testing.T) {
+	list := NewFileList(Tea.Root + "/data")
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	before := time.Now()
+	err = list.CleanPrefix("1234")
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log(time.Since(before).Seconds()*1000, "ms")
+}
+
+func TestFileList_Remove(t *testing.T) {
+	list := NewFileList(Tea.Root + "/data")
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	list.OnRemove(func(item *Item) {
+		t.Logf("remove %#v", item)
+	})
+	err = list.Remove(stringutil.Md5("123456"))
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+func TestFileList_Purge(t *testing.T) {
+	list := NewFileList(Tea.Root + "/data")
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = list.Purge(2, func(hash string) error {
+		t.Log(hash)
+		return nil
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+func TestFileList_Stat(t *testing.T) {
+	list := NewFileList(Tea.Root + "/data")
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	stat, err := list.Stat(nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("count:", stat.Count, "size:", stat.Size, "valueSize:", stat.ValueSize)
+}
+
+func TestFileList_Count(t *testing.T) {
+	list := NewFileList(Tea.Root + "/data")
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	before := time.Now()
+	count, err := list.Count()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("count:", count)
+	t.Log(time.Since(before).Seconds()*1000, "ms")
+}
+
+func TestFileList_CleanAll(t *testing.T) {
+	list := NewFileList(Tea.Root + "/data")
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = list.CleanAll()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+	t.Log(list.Count())
+}
+
+func TestFileList_Conflict(t *testing.T) {
+	list := NewFileList(Tea.Root + "/data").(*FileList)
+	err := list.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	rows, err := list.purgeStmt.Query(time.Now().Unix(), 1000)
+	if err != nil {
+		t.Fatal(err)
+	}
+	go func() {
+		time.Sleep(5 * time.Second)
+		_ = rows.Close()
+	}()
+
+	t.Log("before exists")
+	t.Log(list.Exist("123456"))
+	t.Log("after exists")
+}
+
+func BenchmarkFileList_Exist(b *testing.B) {
+	list := NewFileList(Tea.Root + "/data")
+	err := list.Init()
+	if err != nil {
+		b.Fatal(err)
+	}
+	for i := 0; i < b.N; i++ {
+		_, _ = list.Exist("f0eb5b87e0b0041f3917002c0707475f")
+	}
+}

internal/caches/list_interface.go

@@ -0,0 +1,44 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package caches
+
+type ListInterface interface {
+	// Init 初始化
+	Init() error
+
+	// Reset 重置数据
+	Reset() error
+
+	// Add 添加内容
+	Add(hash string, item *Item) error
+
+	// Exist 检查内容是否存在
+	Exist(hash string) (bool, error)
+
+	// CleanPrefix 清除某个前缀的缓存
+	CleanPrefix(prefix string) error
+
+	// Remove 删除内容
+	Remove(hash string) error
+
+	// Purge 清理过期数据
+	Purge(count int, callback func(hash string) error) error
+
+	// CleanAll 清除所有缓存
+	CleanAll() error
+
+	// Stat 统计
+	Stat(check func(hash string) bool) (*Stat, error)
+
+	// Count 总数量
+	Count() (int64, error)
+
+	// OnAdd 添加事件
+	OnAdd(f func(item *Item))
+
+	// OnRemove 删除事件
+	OnRemove(f func(item *Item))
+
+	// Close 关闭
+	Close() error
+}

internal/caches/list_memory.go

@@ -0,0 +1,254 @@
+package caches
+
+import (
+	"github.com/iwind/TeaGo/logs"
+	"strconv"
+	"strings"
+	"sync"
+	"testing"
+)
+
+// MemoryList 内存缓存列表管理
+type MemoryList struct {
+	itemMaps map[string]map[string]*Item // prefix => { hash => item }
+	prefixes []string
+	locker   sync.RWMutex
+	onAdd    func(item *Item)
+	onRemove func(item *Item)
+
+	purgeIndex int
+}
+
+func NewMemoryList() ListInterface {
+	return &MemoryList{
+		itemMaps: map[string]map[string]*Item{},
+	}
+}
+
+func (this *MemoryList) Init() error {
+	this.prefixes = []string{"000"}
+	for i := 100; i <= 999; i++ {
+		this.prefixes = append(this.prefixes, strconv.Itoa(i))
+	}
+
+	for _, prefix := range this.prefixes {
+		this.itemMaps[prefix] = map[string]*Item{}
+	}
+
+	return nil
+}
+
+func (this *MemoryList) Reset() error {
+	this.locker.Lock()
+	for key := range this.itemMaps {
+		this.itemMaps[key] = map[string]*Item{}
+	}
+	this.locker.Unlock()
+	return nil
+}
+
+func (this *MemoryList) Add(hash string, item *Item) error {
+	this.locker.Lock()
+
+	prefix := this.prefix(hash)
+	itemMap, ok := this.itemMaps[prefix]
+	if !ok {
+		itemMap = map[string]*Item{}
+		this.itemMaps[prefix] = itemMap
+	}
+
+	// 先删除，为了可以正确触发统计
+	oldItem, ok := itemMap[hash]
+	if ok {
+		if this.onRemove != nil {
+			this.onRemove(oldItem)
+		}
+	}
+
+	// 添加
+	if this.onAdd != nil {
+		this.onAdd(item)
+	}
+
+	itemMap[hash] = item
+	this.locker.Unlock()
+	return nil
+}
+
+func (this *MemoryList) Exist(hash string) (bool, error) {
+	this.locker.RLock()
+	defer this.locker.RUnlock()
+
+	prefix := this.prefix(hash)
+	itemMap, ok := this.itemMaps[prefix]
+	if !ok {
+		return false, nil
+	}
+	item, ok := itemMap[hash]
+	if !ok {
+		return false, nil
+	}
+
+	return !item.IsExpired(), nil
+}
+
+// CleanPrefix 根据前缀进行清除
+func (this *MemoryList) CleanPrefix(prefix string) error {
+	this.locker.RLock()
+	defer this.locker.RUnlock()
+
+	// TODO 需要优化性能，支持千万级数据低于1s的处理速度
+	for _, itemMap := range this.itemMaps {
+		for _, item := range itemMap {
+			if strings.HasPrefix(item.Key, prefix) {
+				item.ExpiredAt = 0
+			}
+		}
+	}
+	return nil
+}
+
+func (this *MemoryList) Remove(hash string) error {
+	this.locker.Lock()
+
+	itemMap, ok := this.itemMaps[this.prefix(hash)]
+	if !ok {
+		this.locker.Unlock()
+		return nil
+	}
+
+	item, ok := itemMap[hash]
+	if ok {
+		if this.onRemove != nil {
+			this.onRemove(item)
+		}
+		delete(itemMap, hash)
+	}
+
+	this.locker.Unlock()
+	return nil
+}
+
+// Purge 清理过期的缓存
+// count 每次遍历的最大数量，控制此数字可以保证每次清理的时候不用花太多时间
+// callback 每次发现过期key的调用
+func (this *MemoryList) Purge(count int, callback func(hash string) error) error {
+	this.locker.Lock()
+	deletedHashList := []string{}
+
+	if this.purgeIndex >= len(this.prefixes) {
+		this.purgeIndex = 0
+	}
+	prefix := this.prefixes[this.purgeIndex]
+
+	this.purgeIndex++
+
+	itemMap, ok := this.itemMaps[prefix]
+	if !ok {
+		this.locker.Unlock()
+		return nil
+	}
+	for hash, item := range itemMap {
+		if count <= 0 {
+			break
+		}
+
+		if item.IsExpired() {
+			if this.onRemove != nil {
+				this.onRemove(item)
+			}
+			delete(itemMap, hash)
+			deletedHashList = append(deletedHashList, hash)
+		}
+
+		count--
+	}
+	this.locker.Unlock()
+
+	// 执行外部操作
+	for _, hash := range deletedHashList {
+		if callback != nil {
+			err := callback(hash)
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func (this *MemoryList) CleanAll() error {
+	return this.Reset()
+}
+
+func (this *MemoryList) Stat(check func(hash string) bool) (*Stat, error) {
+	this.locker.RLock()
+	defer this.locker.RUnlock()
+
+	result := &Stat{
+		Count: 0,
+		Size:  0,
+	}
+	for _, itemMap := range this.itemMaps {
+		for hash, item := range itemMap {
+			if !item.IsExpired() {
+				// 检查文件是否存在、内容是否正确等
+				if check != nil && check(hash) {
+					result.Count++
+					result.ValueSize += item.Size()
+					result.Size += item.TotalSize()
+				}
+			}
+		}
+	}
+	return result, nil
+}
+
+// Count 总数量
+func (this *MemoryList) Count() (int64, error) {
+	this.locker.RLock()
+	var count = 0
+	for _, itemMap := range this.itemMaps {
+		count += len(itemMap)
+	}
+	this.locker.RUnlock()
+	return int64(count), nil
+}
+
+// OnAdd 添加事件
+func (this *MemoryList) OnAdd(f func(item *Item)) {
+	this.onAdd = f
+}
+
+// OnRemove 删除事件
+func (this *MemoryList) OnRemove(f func(item *Item)) {
+	this.onRemove = f
+}
+
+func (this *MemoryList) Close() error {
+	return nil
+}
+
+func (this *MemoryList) print(t *testing.T) {
+	this.locker.Lock()
+	for _, itemMap := range this.itemMaps {
+		if len(itemMap) > 0 {
+			logs.PrintAsJSON(itemMap, t)
+		}
+	}
+	this.locker.Unlock()
+}
+
+func (this *MemoryList) prefix(hash string) string {
+	var prefix string
+	if len(hash) > 3 {
+		prefix = hash[:3]
+	} else {
+		prefix = hash
+	}
+	_, ok := this.itemMaps[prefix]
+	if !ok {
+		prefix = "000"
+	}
+	return prefix
+}

internal/caches/list_memory_test.go

@@ -0,0 +1,190 @@
+package caches
+
+import (
+	"fmt"
+	"github.com/cespare/xxhash"
+	"github.com/iwind/TeaGo/logs"
+	"github.com/iwind/TeaGo/rands"
+	"math/rand"
+	"strconv"
+	"testing"
+	"time"
+)
+
+func TestMemoryList_Add(t *testing.T) {
+	list := NewMemoryList().(*MemoryList)
+	_ = list.Init()
+	_ = list.Add("a", &Item{
+		Key:        "a1",
+		ExpiredAt:  time.Now().Unix() + 3600,
+		HeaderSize: 1024,
+	})
+	_ = list.Add("b", &Item{
+		Key:        "b1",
+		ExpiredAt:  time.Now().Unix() + 3600,
+		HeaderSize: 1024,
+	})
+	_ = list.Add("123456", &Item{
+		Key:        "c1",
+		ExpiredAt:  time.Now().Unix() + 3600,
+		HeaderSize: 1024,
+	})
+	t.Log(list.prefixes)
+	logs.PrintAsJSON(list.itemMaps, t)
+}
+
+func TestMemoryList_Remove(t *testing.T) {
+	list := NewMemoryList().(*MemoryList)
+	_ = list.Init()
+	_ = list.Add("a", &Item{
+		Key:        "a1",
+		ExpiredAt:  time.Now().Unix() + 3600,
+		HeaderSize: 1024,
+	})
+	_ = list.Add("b", &Item{
+		Key:        "b1",
+		ExpiredAt:  time.Now().Unix() + 3600,
+		HeaderSize: 1024,
+	})
+	_ = list.Remove("b")
+	list.print(t)
+}
+
+func TestMemoryList_Purge(t *testing.T) {
+	list := NewMemoryList().(*MemoryList)
+	_ = list.Init()
+	_ = list.Add("a", &Item{
+		Key:        "a1",
+		ExpiredAt:  time.Now().Unix() + 3600,
+		HeaderSize: 1024,
+	})
+	_ = list.Add("b", &Item{
+		Key:        "b1",
+		ExpiredAt:  time.Now().Unix() + 3600,
+		HeaderSize: 1024,
+	})
+	_ = list.Add("c", &Item{
+		Key:        "c1",
+		ExpiredAt:  time.Now().Unix() - 3600,
+		HeaderSize: 1024,
+	})
+	_ = list.Add("d", &Item{
+		Key:        "d1",
+		ExpiredAt:  time.Now().Unix() - 2,
+		HeaderSize: 1024,
+	})
+	_ = list.Purge(100, func(hash string) error {
+		t.Log("delete:", hash)
+		return nil
+	})
+	list.print(t)
+
+	for i := 0; i < 1000; i++ {
+		_ = list.Purge(100, func(hash string) error {
+			t.Log("delete:", hash)
+			return nil
+		})
+		t.Log(list.purgeIndex)
+	}
+}
+
+func TestMemoryList_Purge_Large_List(t *testing.T) {
+	list := NewMemoryList().(*MemoryList)
+	_ = list.Init()
+
+	for i := 0; i < 1_000_000; i++ {
+		_ = list.Add("a"+strconv.Itoa(i), &Item{
+			Key:        "a" + strconv.Itoa(i),
+			ExpiredAt:  time.Now().Unix() + int64(rands.Int(0, 24*3600)),
+			HeaderSize: 1024,
+		})
+	}
+
+	time.Sleep(1 * time.Hour)
+}
+
+func TestMemoryList_Stat(t *testing.T) {
+	list := NewMemoryList()
+	_ = list.Init()
+	_ = list.Add("a", &Item{
+		Key:        "a1",
+		ExpiredAt:  time.Now().Unix() + 3600,
+		HeaderSize: 1024,
+	})
+	_ = list.Add("b", &Item{
+		Key:        "b1",
+		ExpiredAt:  time.Now().Unix() + 3600,
+		HeaderSize: 1024,
+	})
+	_ = list.Add("c", &Item{
+		Key:        "c1",
+		ExpiredAt:  time.Now().Unix(),
+		HeaderSize: 1024,
+	})
+	_ = list.Add("d", &Item{
+		Key:        "d1",
+		ExpiredAt:  time.Now().Unix() - 2,
+		HeaderSize: 1024,
+	})
+	result, _ := list.Stat(func(hash string) bool {
+		// 随机测试
+		rand.Seed(time.Now().UnixNano())
+		return rand.Int()%2 == 0
+	})
+	t.Log(result)
+}
+
+func TestMemoryList_CleanPrefix(t *testing.T) {
+	list := NewMemoryList()
+	_ = list.Init()
+	before := time.Now()
+	for i := 0; i < 1_000_000; i++ {
+		key := "http://www.teaos.cn/hello/" + strconv.Itoa(i/10000) + "/" + strconv.Itoa(i) + ".html"
+		_ = list.Add(fmt.Sprintf("%d", xxhash.Sum64String(key)), &Item{
+			Key:        key,
+			ExpiredAt:  time.Now().Unix() + 3600,
+			BodySize:   0,
+			HeaderSize: 0,
+		})
+	}
+	t.Log(time.Since(before).Seconds()*1000, "ms")
+
+	before = time.Now()
+	err := list.CleanPrefix("http://www.teaos.cn/hello/10")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	logs.Println(list.Stat(func(hash string) bool {
+		return true
+	}))
+
+	t.Log(time.Since(before).Seconds()*1000, "ms")
+}
+
+func TestMemoryList_GC(t *testing.T) {
+	list := NewMemoryList().(*MemoryList)
+	_ = list.Init()
+	for i := 0; i < 1_000_000; i++ {
+		key := "http://www.teaos.cn/hello" + strconv.Itoa(i/100000) + "/" + strconv.Itoa(i) + ".html"
+		_ = list.Add(fmt.Sprintf("%d", xxhash.Sum64String(key)), &Item{
+			Key:        key,
+			ExpiredAt:  0,
+			BodySize:   0,
+			HeaderSize: 0,
+		})
+	}
+	time.Sleep(10 * time.Second)
+	t.Log("clean...", len(list.itemMaps))
+	_ = list.CleanAll()
+	t.Log("cleanAll...", len(list.itemMaps))
+	before := time.Now()
+	//runtime.GC()
+	t.Log("gc cost:", time.Since(before).Seconds()*1000, "ms")
+
+	timeout := time.NewTimer(2 * time.Minute)
+	<-timeout.C
+	t.Log("2 minutes passed")
+
+	time.Sleep(30 * time.Minute)
+}

internal/caches/list_test.go

@@ -1,119 +0,0 @@
-package caches
-
-import (
-	"fmt"
-	"github.com/cespare/xxhash"
-	"math/rand"
-	"strconv"
-	"testing"
-	"time"
-)
-
-func TestList_Add(t *testing.T) {
-	list := NewList()
-	list.Add("a", &Item{
-		Key:        "a1",
-		ExpiredAt:  time.Now().Unix() + 3600,
-		HeaderSize: 1024,
-	})
-	list.Add("b", &Item{
-		Key:        "b1",
-		ExpiredAt:  time.Now().Unix() + 3600,
-		HeaderSize: 1024,
-	})
-	t.Log(list.m)
-}
-
-func TestList_Remove(t *testing.T) {
-	list := NewList()
-	list.Add("a", &Item{
-		Key:        "a1",
-		ExpiredAt:  time.Now().Unix() + 3600,
-		HeaderSize: 1024,
-	})
-	list.Add("b", &Item{
-		Key:        "b1",
-		ExpiredAt:  time.Now().Unix() + 3600,
-		HeaderSize: 1024,
-	})
-	list.Remove("b")
-	t.Log(list.m)
-}
-
-func TestList_Purge(t *testing.T) {
-	list := NewList()
-	list.Add("a", &Item{
-		Key:        "a1",
-		ExpiredAt:  time.Now().Unix() + 3600,
-		HeaderSize: 1024,
-	})
-	list.Add("b", &Item{
-		Key:        "b1",
-		ExpiredAt:  time.Now().Unix() + 3600,
-		HeaderSize: 1024,
-	})
-	list.Add("c", &Item{
-		Key:        "c1",
-		ExpiredAt:  time.Now().Unix() - 3600,
-		HeaderSize: 1024,
-	})
-	list.Add("d", &Item{
-		Key:        "d1",
-		ExpiredAt:  time.Now().Unix() - 2,
-		HeaderSize: 1024,
-	})
-	list.Purge(100, func(hash string) {
-		t.Log("delete:", hash)
-	})
-	t.Log(list.m)
-}
-
-func TestList_Stat(t *testing.T) {
-	list := NewList()
-	list.Add("a", &Item{
-		Key:        "a1",
-		ExpiredAt:  time.Now().Unix() + 3600,
-		HeaderSize: 1024,
-	})
-	list.Add("b", &Item{
-		Key:        "b1",
-		ExpiredAt:  time.Now().Unix() + 3600,
-		HeaderSize: 1024,
-	})
-	list.Add("c", &Item{
-		Key:        "c1",
-		ExpiredAt:  time.Now().Unix(),
-		HeaderSize: 1024,
-	})
-	list.Add("d", &Item{
-		Key:        "d1",
-		ExpiredAt:  time.Now().Unix() - 2,
-		HeaderSize: 1024,
-	})
-	result := list.Stat(func(hash string) bool {
-		// 随机测试
-		rand.Seed(time.Now().UnixNano())
-		return rand.Int()%2 == 0
-	})
-	t.Log(result)
-}
-
-func TestList_FindKeysWithPrefix(t *testing.T) {
-	list := NewList()
-	before := time.Now()
-	for i := 0; i < 1_000_000; i++ {
-		key := "http://www.teaos.cn/hello" + strconv.Itoa(i/100000) + "/" + strconv.Itoa(i) + ".html"
-		list.Add(fmt.Sprintf("%d", xxhash.Sum64String(key)), &Item{
-			Key:        key,
-			ExpiredAt:  0,
-			BodySize:   0,
-			HeaderSize: 0,
-		})
-	}
-	t.Log(time.Since(before).Seconds()*1000, "ms")
-
-	before = time.Now()
-	keys := list.FindKeysWithPrefix("http://www.teaos.cn/hello/5000")
-	t.Log(len(keys))
-	t.Log(time.Since(before).Seconds()*1000, "ms")
-}

internal/caches/manager.go

@@ -5,6 +5,7 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/iwind/TeaGo/lists"
+	"github.com/iwind/TeaGo/types"
 	"strconv"
 	"sync"
 )
@@ -162,3 +163,25 @@ func (this *Manager) TotalMemorySize() int64 {
 	}
 	return total
 }
+
+// FindAllCachePaths 所有缓存路径
+func (this *Manager) FindAllCachePaths() []string {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	var result = []string{}
+	for _, policy := range this.policyMap {
+		if policy.Type == serverconfigs.CachePolicyStorageFile {
+			if policy.Options != nil {
+				dir, ok := policy.Options["dir"]
+				if ok {
+					var dirString = types.String(dir)
+					if len(dirString) > 0 {
+						result = append(result, dirString)
+					}
+				}
+			}
+		}
+	}
+	return result
+}

internal/caches/reader.go

@@ -3,27 +3,33 @@ package caches
 type ReaderFunc func(n int) (goNext bool, err error)
 
 type Reader interface {
-	// 初始化
+	// Init 初始化
 	Init() error
 
-	// 状态码
+	// TypeName 类型名称
+	TypeName() string
+
+	// Status 状态码
 	Status() int
 
-	// 读取Header
+	// LastModified 最后修改时间
+	LastModified() int64
+
+	// ReadHeader 读取Header
 	ReadHeader(buf []byte, callback ReaderFunc) error
 
-	// 读取Body
+	// ReadBody 读取Body
 	ReadBody(buf []byte, callback ReaderFunc) error
 
-	// 读取某个范围内的Body
+	// ReadBodyRange 读取某个范围内的Body
 	ReadBodyRange(buf []byte, start int64, end int64, callback ReaderFunc) error
 
-	// Header Size
+	// HeaderSize Header Size
 	HeaderSize() int64
 
-	// Body Size
+	// BodySize Body Size
 	BodySize() int64
 
-	// 关闭
+	// Close 关闭
 	Close() error
 }

internal/caches/reader_file.go

@@ -34,13 +34,7 @@ func (this *FileReader) Init() error {
 		}
 	}()
 
-	// 读取状态
-	_, err := this.fp.Seek(SizeExpiresAt, io.SeekStart)
-	if err != nil {
-		_ = this.discard()
-		return err
-	}
-	buf := make([]byte, 3)
+	var buf = make([]byte, SizeMeta)
 	ok, err := this.readToBuff(this.fp, buf)
 	if err != nil {
 		return err
@@ -48,37 +42,18 @@ func (this *FileReader) Init() error {
 	if !ok {
 		return ErrNotFound
 	}
-	status := types.Int(string(buf))
+
+	status := types.Int(string(buf[SizeExpiresAt : SizeExpiresAt+SizeStatus]))
 	if status < 100 || status > 999 {
 		return errors.New("invalid status")
 	}
 	this.status = status
 
 	// URL
-	_, err = this.fp.Seek(SizeExpiresAt+SizeStatus, io.SeekStart)
-	if err != nil {
-		return err
-	}
-
-	bytes4 := make([]byte, 4)
-	ok, err = this.readToBuff(this.fp, bytes4)
-	if err != nil {
-		return err
-	}
-	if !ok {
-		return ErrNotFound
-	}
-	urlLength := binary.BigEndian.Uint32(bytes4)
+	urlLength := binary.BigEndian.Uint32(buf[SizeExpiresAt+SizeStatus : SizeExpiresAt+SizeStatus+SizeURLLength])
 
 	// header
-	ok, err = this.readToBuff(this.fp, bytes4)
-	if err != nil {
-		return err
-	}
-	if !ok {
-		return ErrNotFound
-	}
-	headerSize := int(binary.BigEndian.Uint32(bytes4))
+	headerSize := int(binary.BigEndian.Uint32(buf[SizeExpiresAt+SizeStatus+SizeURLLength : SizeExpiresAt+SizeStatus+SizeURLLength+SizeHeaderLength]))
 	if headerSize == 0 {
 		return nil
 	}
@@ -86,15 +61,7 @@ func (this *FileReader) Init() error {
 	this.headerOffset = int64(SizeMeta) + int64(urlLength)
 
 	// body
-	bytes8 := make([]byte, 8)
-	ok, err = this.readToBuff(this.fp, bytes8)
-	if err != nil {
-		return err
-	}
-	if !ok {
-		return ErrNotFound
-	}
-	bodySize := int(binary.BigEndian.Uint64(bytes8))
+	bodySize := int(binary.BigEndian.Uint64(buf[SizeExpiresAt+SizeStatus+SizeURLLength+SizeHeaderLength : SizeExpiresAt+SizeStatus+SizeURLLength+SizeHeaderLength+SizeBodyLength]))
 	if bodySize == 0 {
 		return nil
 	}
@@ -106,10 +73,22 @@ func (this *FileReader) Init() error {
 	return nil
 }
 
+func (this *FileReader) TypeName() string {
+	return "disk"
+}
+
 func (this *FileReader) Status() int {
 	return this.status
 }
 
+func (this *FileReader) LastModified() int64 {
+	stat, err := this.fp.Stat()
+	if err != nil {
+		return 0
+	}
+	return stat.ModTime().Unix()
+}
+
 func (this *FileReader) HeaderSize() int64 {
 	return int64(this.headerSize)
 }

internal/caches/reader_file_test.go

@@ -49,6 +49,9 @@ func TestFileReader(t *testing.T) {
 		t.Log("body:", string(buf[:n]))
 		return true, nil
 	})
+	if err != nil {
+		t.Fatal(err)
+	}
 }
 
 func TestFileReader_Range(t *testing.T) {

internal/caches/reader_memory.go

@@ -16,10 +16,18 @@ func (this *MemoryReader) Init() error {
 	return nil
 }
 
+func (this *MemoryReader) TypeName() string {
+	return "memory"
+}
+
 func (this *MemoryReader) Status() int {
 	return this.item.Status
 }
 
+func (this *MemoryReader) LastModified() int64 {
+	return this.item.ModifiedAt
+}
+
 func (this *MemoryReader) HeaderSize() int64 {
 	return int64(len(this.item.HeaderValue))
 }

internal/caches/storage_file.go

@@ -12,6 +12,8 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/iwind/TeaGo/Tea"
 	stringutil "github.com/iwind/TeaGo/utils/string"
+	"golang.org/x/text/language"
+	"golang.org/x/text/message"
 	"io"
 	"os"
 	"path/filepath"
@@ -34,12 +36,6 @@ const (
 	SizeMeta = SizeExpiresAt + SizeStatus + SizeURLLength + SizeHeaderLength + SizeBodyLength
 )
 
-var (
-	ErrNotFound      = errors.New("cache not found")
-	ErrFileIsWriting = errors.New("the file is writing")
-	ErrInvalidRange  = errors.New("invalid range")
-)
-
 // FileStorage 文件缓存
 //   文件结构：
 //    [expires time] | [ status ] | [url length] | [header length] | [body length] | [url] [header data] [body data]
@@ -49,15 +45,16 @@ type FileStorage struct {
 	memoryStorage *MemoryStorage                      // 一级缓存
 	totalSize     int64
 
-	list   *List
-	locker sync.RWMutex
-	ticker *utils.Ticker
+	list          ListInterface
+	writingKeyMap map[string]bool // key => bool
+	locker        sync.RWMutex
+	ticker        *utils.Ticker
 }
 
 func NewFileStorage(policy *serverconfigs.HTTPCachePolicy) *FileStorage {
 	return &FileStorage{
-		policy: policy,
-		list:   NewList(),
+		policy:        policy,
+		writingKeyMap: map[string]bool{},
 	}
 }
 
@@ -68,41 +65,10 @@ func (this *FileStorage) Policy() *serverconfigs.HTTPCachePolicy {
 
 // Init 初始化
 func (this *FileStorage) Init() error {
-	this.list.OnAdd(func(item *Item) {
-		atomic.AddInt64(&this.totalSize, item.TotalSize())
-	})
-	this.list.OnRemove(func(item *Item) {
-		atomic.AddInt64(&this.totalSize, -item.TotalSize())
-	})
-
 	this.locker.Lock()
 	defer this.locker.Unlock()
 
 	before := time.Now()
-	cacheDir := ""
-	defer func() {
-		// 统计
-		count := 0
-		size := int64(0)
-		if this.list != nil {
-			stat := this.list.Stat(func(hash string) bool {
-				return true
-			})
-			count = stat.Count
-			size = stat.Size
-		}
-
-		cost := time.Since(before).Seconds() * 1000
-		sizeMB := strconv.FormatInt(size, 10) + " Bytes"
-		if size > 1024*1024*1024 {
-			sizeMB = fmt.Sprintf("%.3f G", float64(size)/1024/1024/1024)
-		} else if size > 1024*1024 {
-			sizeMB = fmt.Sprintf("%.3f M", float64(size)/1024/1024)
-		} else if size > 1024 {
-			sizeMB = fmt.Sprintf("%.3f K", float64(size)/1024)
-		}
-		remotelogs.Println("CACHE", "init policy "+strconv.FormatInt(this.policy.Id, 10)+" from '"+cacheDir+"', cost: "+fmt.Sprintf("%.2f", cost)+" ms, count: "+strconv.Itoa(count)+", size: "+sizeMB)
-	}()
 
 	// 配置
 	cacheConfig := &serverconfigs.HTTPFileCacheStorage{}
@@ -115,7 +81,7 @@ func (this *FileStorage) Init() error {
 		return err
 	}
 	this.cacheConfig = cacheConfig
-	cacheDir = cacheConfig.Dir
+	cacheDir := cacheConfig.Dir
 
 	if !filepath.IsAbs(this.cacheConfig.Dir) {
 		this.cacheConfig.Dir = Tea.Root + Tea.DS + this.cacheConfig.Dir
@@ -127,6 +93,26 @@ func (this *FileStorage) Init() error {
 		return errors.New("[CACHE]cache storage dir can not be empty")
 	}
 
+	list := NewFileList(dir + "/p" + strconv.FormatInt(this.policy.Id, 10))
+	err = list.Init()
+	if err != nil {
+		return err
+	}
+	this.list = list
+	stat, err := list.Stat(func(hash string) bool {
+		return true
+	})
+	if err != nil {
+		return err
+	}
+	this.totalSize = stat.Size
+	this.list.OnAdd(func(item *Item) {
+		atomic.AddInt64(&this.totalSize, item.TotalSize())
+	})
+	this.list.OnRemove(func(item *Item) {
+		atomic.AddInt64(&this.totalSize, -item.TotalSize())
+	})
+
 	// 检查目录是否存在
 	_, err = os.Stat(dir)
 	if err != nil {
@@ -140,6 +126,23 @@ func (this *FileStorage) Init() error {
 		}
 	}
 
+	defer func() {
+		// 统计
+		count := stat.Count
+		size := stat.Size
+
+		cost := time.Since(before).Seconds() * 1000
+		sizeMB := strconv.FormatInt(size, 10) + " Bytes"
+		if size > 1024*1024*1024 {
+			sizeMB = fmt.Sprintf("%.3f G", float64(size)/1024/1024/1024)
+		} else if size > 1024*1024 {
+			sizeMB = fmt.Sprintf("%.3f M", float64(size)/1024/1024)
+		} else if size > 1024 {
+			sizeMB = fmt.Sprintf("%.3f K", float64(size)/1024)
+		}
+		remotelogs.Println("CACHE", "init policy "+strconv.FormatInt(this.policy.Id, 10)+" from '"+cacheDir+"', cost: "+fmt.Sprintf("%.2f", cost)+" ms, count: "+message.NewPrinter(language.English).Sprintf("%d", count)+", size: "+sizeMB)
+	}()
+
 	// 初始化list
 	err = this.initList()
 	if err != nil {
@@ -189,11 +192,9 @@ func (this *FileStorage) OpenReader(key string) (Reader, error) {
 	}
 
 	hash, path := this.keyPath(key)
-	if !this.list.Exist(hash) {
-		return nil, ErrNotFound
-	}
 
 	// TODO 尝试使用mmap加快读取速度
+	var isOk = false
 	fp, err := os.OpenFile(path, os.O_RDONLY, 0444)
 	if err != nil {
 		if !os.IsNotExist(err) {
@@ -201,6 +202,21 @@ func (this *FileStorage) OpenReader(key string) (Reader, error) {
 		}
 		return nil, ErrNotFound
 	}
+	defer func() {
+		if !isOk {
+			_ = fp.Close()
+			_ = os.Remove(path)
+		}
+	}()
+
+	// 检查文件记录是否已过期
+	exists, err := this.list.Exist(hash)
+	if err != nil {
+		return nil, err
+	}
+	if !exists {
+		return nil, ErrNotFound
+	}
 
 	reader := NewFileReader(fp)
 	if err != nil {
@@ -210,6 +226,8 @@ func (this *FileStorage) OpenReader(key string) (Reader, error) {
 	if err != nil {
 		return nil, err
 	}
+
+	isOk = true
 	return reader, nil
 }
 
@@ -223,18 +241,41 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int) (Wr
 		}
 	}
 
+	// 是否正在写入
+	var isWriting = false
+	this.locker.Lock()
+	_, ok := this.writingKeyMap[key]
+	this.locker.Unlock()
+	if ok {
+		return nil, ErrFileIsWriting
+	}
+	this.locker.Lock()
+	this.writingKeyMap[key] = true
+	this.locker.Unlock()
+	defer func() {
+		if !isWriting {
+			this.locker.Lock()
+			delete(this.writingKeyMap, key)
+			this.locker.Unlock()
+		}
+	}()
+
 	// 检查是否超出最大值
-	if this.policy.MaxKeys > 0 && this.list.Count() > this.policy.MaxKeys {
-		return nil, errors.New("write file cache failed: too many keys in cache storage")
+	count, err := this.list.Count()
+	if err != nil {
+		return nil, err
+	}
+	if this.policy.MaxKeys > 0 && count > this.policy.MaxKeys {
+		return nil, NewCapacityError("write file cache failed: too many keys in cache storage")
 	}
 	capacityBytes := this.diskCapacityBytes()
 	if capacityBytes > 0 && capacityBytes <= this.totalSize {
-		return nil, errors.New("write file cache failed: over disk size, real size: " + strconv.FormatInt(this.totalSize, 10) + " bytes")
+		return nil, NewCapacityError("write file cache failed: over disk size, current total size: " + strconv.FormatInt(this.totalSize, 10) + " bytes, capacity: " + strconv.FormatInt(capacityBytes, 10))
 	}
 
 	hash := stringutil.Md5(key)
 	dir := this.cacheConfig.Dir + "/p" + strconv.FormatInt(this.policy.Id, 10) + "/" + hash[:2] + "/" + hash[2:4]
-	_, err := os.Stat(dir)
+	_, err = os.Stat(dir)
 	if err != nil {
 		if !os.IsNotExist(err) {
 			return nil, err
@@ -246,13 +287,17 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int) (Wr
 	}
 
 	// 先删除
-	this.list.Remove(hash)
+	err = this.list.Remove(hash)
+	if err != nil {
+		return nil, err
+	}
 
 	path := dir + "/" + hash + ".cache.tmp"
 	writer, err := os.OpenFile(path, os.O_CREATE|os.O_SYNC|os.O_WRONLY, 0666)
 	if err != nil {
 		return nil, err
 	}
+	isWriting = true
 
 	isOk := false
 	removeOnFailure := true
@@ -337,7 +382,11 @@ func (this *FileStorage) OpenWriter(key string, expiredAt int64, status int) (Wr
 
 	isOk = true
 
-	return NewFileWriter(writer, key, expiredAt), nil
+	return NewFileWriter(writer, key, expiredAt, func() {
+		this.locker.Lock()
+		delete(this.writingKeyMap, key)
+		this.locker.Unlock()
+	}), nil
 }
 
 // AddToList 添加到List
@@ -351,7 +400,10 @@ func (this *FileStorage) AddToList(item *Item) {
 
 	item.MetaSize = SizeMeta
 	hash := stringutil.Md5(item.Key)
-	this.list.Add(hash, item)
+	err := this.list.Add(hash, item)
+	if err != nil && !strings.Contains(err.Error(), "UNIQUE constraint failed") {
+		remotelogs.Error("CACHE", "add to list failed: "+err.Error())
+	}
 }
 
 // Delete 删除某个键值对应的缓存
@@ -365,8 +417,11 @@ func (this *FileStorage) Delete(key string) error {
 	}
 
 	hash, path := this.keyPath(key)
-	this.list.Remove(hash)
-	err := os.Remove(path)
+	err := this.list.Remove(hash)
+	if err != nil {
+		return err
+	}
+	err = os.Remove(path)
 	if err == nil || os.IsNotExist(err) {
 		return nil
 	}
@@ -380,7 +435,7 @@ func (this *FileStorage) Stat() (*Stat, error) {
 
 	return this.list.Stat(func(hash string) bool {
 		return true
-	}), nil
+	})
 }
 
 // CleanAll 清除所有的缓存
@@ -393,7 +448,10 @@ func (this *FileStorage) CleanAll() error {
 		_ = this.memoryStorage.CleanAll()
 	}
 
-	this.list.Reset()
+	err := this.list.CleanAll()
+	if err != nil {
+		return err
+	}
 
 	// 删除缓存和目录
 	// 不能直接删除子目录，比较危险
@@ -415,6 +473,7 @@ func (this *FileStorage) CleanAll() error {
 		return nil
 	}
 
+	// 改成待删除
 	subDirs, err := fp.Readdir(-1)
 	if err != nil {
 		return err
@@ -431,13 +490,22 @@ func (this *FileStorage) CleanAll() error {
 			continue
 		}
 
-		// 删除目录
-		err = os.RemoveAll(dir + "/" + subDir)
+		// 修改目录名
+		tmpDir := dir + "/" + subDir + "-deleted"
+		err = os.Rename(dir+"/"+subDir, tmpDir)
 		if err != nil {
 			return err
 		}
 	}
 
+	// 重新遍历待删除
+	go func() {
+		err = this.cleanDeletedDirs(dir)
+		if err != nil {
+			remotelogs.Warn("CACHE", "delete '*-deleted' dirs failed: "+err.Error())
+		}
+	}()
+
 	return nil
 }
 
@@ -453,29 +521,25 @@ func (this *FileStorage) Purge(keys []string, urlType string) error {
 
 	// 目录
 	if urlType == "dir" {
-		resultKeys := []string{}
 		for _, key := range keys {
-			resultKeys = append(resultKeys, this.list.FindKeysWithPrefix(key)...)
+			err := this.list.CleanPrefix(key)
+			if err != nil {
+				return err
+			}
 		}
-		keys = resultKeys
 	}
 
 	// 文件
 	for _, key := range keys {
 		hash, path := this.keyPath(key)
-		if !this.list.Exist(hash) {
-			err := os.Remove(path)
-			if err != nil && !os.IsNotExist(err) {
-				return err
-			}
-			continue
-		}
-
 		err := os.Remove(path)
 		if err != nil && !os.IsNotExist(err) {
 			return err
 		}
-		this.list.Remove(hash)
+		err = this.list.Remove(hash)
+		if err != nil {
+			return err
+		}
 	}
 	return nil
 }
@@ -490,10 +554,12 @@ func (this *FileStorage) Stop() {
 		this.memoryStorage.Stop()
 	}
 
-	this.list.Reset()
+	_ = this.list.Reset()
 	if this.ticker != nil {
 		this.ticker.Stop()
 	}
+
+	_ = this.list.Close()
 }
 
 // TotalDiskSize 消耗的磁盘尺寸
@@ -534,45 +600,23 @@ func (this *FileStorage) hashPath(hash string) (path string) {
 
 // 初始化List
 func (this *FileStorage) initList() error {
-	this.list.Reset()
-
-	dir := this.dir()
-
-	// 清除tmp
-	files, err := filepath.Glob(dir + "/*/*/*.cache.tmp")
+	err := this.list.Reset()
 	if err != nil {
 		return err
 	}
-	for _, path := range files {
-		_ = os.Remove(path)
-	}
 
-	// 加载缓存
-	files, err = filepath.Glob(dir + "/*/*/*.cache")
-	if err != nil {
-		return err
-	}
-	for _, path := range files {
-		basename := filepath.Base(path)
-		index := strings.LastIndex(basename, ".")
-		if index < 0 {
-			continue
-		}
-		hash := basename[:index]
+	// 使用异步防止阻塞主线程
+	go func() {
+		dir := this.dir()
 
-		// 解析文件信息
-		item, err := this.decodeFile(path)
-		if err != nil {
-			if err != ErrNotFound {
-				remotelogs.Error("CACHE", "decode path '"+path+"': "+err.Error())
+		// 清除tmp
+		files, err := filepath.Glob(dir + "/*/*/*.cache.tmp")
+		if err == nil && len(files) > 0 {
+			for _, path := range files {
+				_ = os.Remove(path)
 			}
-			continue
 		}
-		if item == nil {
-			continue
-		}
-		this.list.Add(hash, item)
-	}
+	}()
 
 	// 启动定时清理任务
 	this.ticker = utils.NewTicker(30 * time.Second)
@@ -686,13 +730,17 @@ func (this *FileStorage) decodeFile(path string) (*Item, error) {
 
 // 清理任务
 func (this *FileStorage) purgeLoop() {
-	this.list.Purge(1000, func(hash string) {
+	err := this.list.Purge(1000, func(hash string) error {
 		path := this.hashPath(hash)
 		err := os.Remove(path)
 		if err != nil && !os.IsNotExist(err) {
 			remotelogs.Error("CACHE", "purge '"+path+"' error: "+err.Error())
 		}
+		return nil
 	})
+	if err != nil {
+		remotelogs.Warn("CACHE", "purge file storage failed: "+err.Error())
+	}
 }
 
 func (this *FileStorage) readToBuff(fp *os.File, buf []byte) (ok bool, err error) {
@@ -733,3 +781,34 @@ func (this *FileStorage) diskCapacityBytes() int64 {
 	}
 	return c1
 }
+
+// 清理 *-deleted 目录
+// 由于在很多硬盘上耗时非常久，所以应该放在后台运行
+func (this *FileStorage) cleanDeletedDirs(dir string) error {
+	fp, err := os.Open(dir)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		_ = fp.Close()
+	}()
+	subDirs, err := fp.Readdir(-1)
+	if err != nil {
+		return err
+	}
+	for _, info := range subDirs {
+		subDir := info.Name()
+		if !strings.HasSuffix(subDir, "-deleted") {
+			continue
+		}
+
+		// 删除
+		err = os.RemoveAll(dir + "/" + subDir)
+		if err != nil {
+			if !os.IsNotExist(err) {
+				return err
+			}
+		}
+	}
+	return nil
+}

internal/caches/storage_file_test.go

@@ -40,7 +40,7 @@ func TestFileStorage_Init(t *testing.T) {
 
 	time.Sleep(2 * time.Second)
 	storage.purgeLoop()
-	t.Log(len(storage.list.m), "entries left")
+	t.Log(storage.list.(*FileList).total, "entries left")
 }
 
 func TestFileStorage_OpenWriter(t *testing.T) {
@@ -441,14 +441,16 @@ func TestFileStorage_CleanAll(t *testing.T) {
 		t.Log(time.Since(before).Seconds()*1000, "ms")
 	}()
 
-	t.Log("before:", storage.list.m)
+	c, _ := storage.list.Count()
+	t.Log("before:", c)
 
 	err = storage.CleanAll()
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	t.Log("after:", storage.list.m)
+	c, _ = storage.list.Count()
+	t.Log("after:", c)
 	t.Log("ok")
 }
 

internal/caches/storage_memory.go

@@ -3,7 +3,7 @@ package caches
 import (
 	"fmt"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
-	"github.com/TeaOSLab/EdgeNode/internal/errors"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/cespare/xxhash"
 	"strconv"
@@ -18,38 +18,47 @@ type MemoryItem struct {
 	BodyValue   []byte
 	Status      int
 	IsDone      bool
+	ModifiedAt  int64
+}
+
+func (this *MemoryItem) IsExpired() bool {
+	return this.ExpiredAt < utils.UnixTime()
 }
 
 type MemoryStorage struct {
 	policy        *serverconfigs.HTTPCachePolicy
-	list          *List
+	list          ListInterface
 	locker        *sync.RWMutex
 	valuesMap     map[uint64]*MemoryItem
 	ticker        *utils.Ticker
 	purgeDuration time.Duration
 	totalSize     int64
+	writingKeyMap map[string]bool // key => bool
 }
 
 func NewMemoryStorage(policy *serverconfigs.HTTPCachePolicy) *MemoryStorage {
 	return &MemoryStorage{
-		policy:    policy,
-		list:      NewList(),
-		locker:    &sync.RWMutex{},
-		valuesMap: map[uint64]*MemoryItem{},
+		policy:        policy,
+		list:          NewMemoryList(),
+		locker:        &sync.RWMutex{},
+		valuesMap:     map[uint64]*MemoryItem{},
+		writingKeyMap: map[string]bool{},
 	}
 }
 
 // Init 初始化
 func (this *MemoryStorage) Init() error {
+	_ = this.list.Init()
+
 	this.list.OnAdd(func(item *Item) {
-		atomic.AddInt64(&this.totalSize, item.Size())
+		atomic.AddInt64(&this.totalSize, item.TotalSize())
 	})
 	this.list.OnRemove(func(item *Item) {
-		atomic.AddInt64(&this.totalSize, -item.Size())
+		atomic.AddInt64(&this.totalSize, -item.TotalSize())
 	})
 
 	if this.purgeDuration <= 0 {
-		this.purgeDuration = 30 * time.Second
+		this.purgeDuration = 10 * time.Second
 	}
 
 	// 启动定时清理任务
@@ -68,10 +77,9 @@ func (this *MemoryStorage) OpenReader(key string) (Reader, error) {
 	hash := this.hash(key)
 
 	this.locker.RLock()
-	defer this.locker.RUnlock()
-
 	item := this.valuesMap[hash]
 	if item == nil || !item.IsDone {
+		this.locker.RUnlock()
 		return nil, ErrNotFound
 	}
 
@@ -79,10 +87,13 @@ func (this *MemoryStorage) OpenReader(key string) (Reader, error) {
 		reader := NewMemoryReader(item)
 		err := reader.Init()
 		if err != nil {
+			this.locker.RUnlock()
 			return nil, err
 		}
+		this.locker.RUnlock()
 		return reader, nil
 	}
+	this.locker.RUnlock()
 
 	_ = this.Delete(key)
 
@@ -91,22 +102,54 @@ func (this *MemoryStorage) OpenReader(key string) (Reader, error) {
 
 // OpenWriter 打开缓存写入器等待写入
 func (this *MemoryStorage) OpenWriter(key string, expiredAt int64, status int) (Writer, error) {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	// 是否正在写入
+	var isWriting = false
+	_, ok := this.writingKeyMap[key]
+	if ok {
+		return nil, ErrFileIsWriting
+	}
+	this.writingKeyMap[key] = true
+	defer func() {
+		if !isWriting {
+			delete(this.writingKeyMap, key)
+		}
+	}()
+
+	// 检查是否过期
+	hash := this.hash(key)
+	item, ok := this.valuesMap[hash]
+	if ok && !item.IsExpired() {
+		return nil, ErrFileIsWriting
+	}
+
 	// 检查是否超出最大值
-	if this.policy.MaxKeys > 0 && this.list.Count() > this.policy.MaxKeys {
-		return nil, errors.New("write memory cache failed: too many keys in cache storage")
+	totalKeys, err := this.list.Count()
+	if err != nil {
+		return nil, err
+	}
+	if this.policy.MaxKeys > 0 && totalKeys > this.policy.MaxKeys {
+		return nil, NewCapacityError("write memory cache failed: too many keys in cache storage")
 	}
 	capacityBytes := this.memoryCapacityBytes()
 	if capacityBytes > 0 && capacityBytes <= this.totalSize {
-		return nil, errors.New("write memory cache failed: over memory size, real size: " + strconv.FormatInt(this.totalSize, 10) + " bytes")
+		return nil, NewCapacityError("write memory cache failed: over memory size: " + strconv.FormatInt(capacityBytes, 10) + ", current size: " + strconv.FormatInt(this.totalSize, 10) + " bytes")
 	}
 
 	// 先删除
-	err := this.Delete(key)
+	err = this.deleteWithoutLocker(key)
 	if err != nil {
 		return nil, err
 	}
 
-	return NewMemoryWriter(this.valuesMap, key, expiredAt, status, this.locker), nil
+	isWriting = true
+	return NewMemoryWriter(this.valuesMap, key, expiredAt, status, this.locker, func() {
+		this.locker.Lock()
+		delete(this.writingKeyMap, key)
+		this.locker.Unlock()
+	}), nil
 }
 
 // Delete 删除某个键值对应的缓存
@@ -114,7 +157,7 @@ func (this *MemoryStorage) Delete(key string) error {
 	hash := this.hash(key)
 	this.locker.Lock()
 	delete(this.valuesMap, hash)
-	this.list.Remove(fmt.Sprintf("%d", hash))
+	_ = this.list.Remove(fmt.Sprintf("%d", hash))
 	this.locker.Unlock()
 	return nil
 }
@@ -126,14 +169,14 @@ func (this *MemoryStorage) Stat() (*Stat, error) {
 
 	return this.list.Stat(func(hash string) bool {
 		return true
-	}), nil
+	})
 }
 
 // CleanAll 清除所有缓存
 func (this *MemoryStorage) CleanAll() error {
 	this.locker.Lock()
 	this.valuesMap = map[uint64]*MemoryItem{}
-	this.list.Reset()
+	_ = this.list.Reset()
 	atomic.StoreInt64(&this.totalSize, 0)
 	this.locker.Unlock()
 	return nil
@@ -143,11 +186,12 @@ func (this *MemoryStorage) CleanAll() error {
 func (this *MemoryStorage) Purge(keys []string, urlType string) error {
 	// 目录
 	if urlType == "dir" {
-		resultKeys := []string{}
 		for _, key := range keys {
-			resultKeys = append(resultKeys, this.list.FindKeysWithPrefix(key)...)
+			err := this.list.CleanPrefix(key)
+			if err != nil {
+				return err
+			}
 		}
-		keys = resultKeys
 	}
 
 	for _, key := range keys {
@@ -162,13 +206,19 @@ func (this *MemoryStorage) Purge(keys []string, urlType string) error {
 // Stop 停止缓存策略
 func (this *MemoryStorage) Stop() {
 	this.locker.Lock()
-	defer this.locker.Unlock()
 
 	this.valuesMap = map[uint64]*MemoryItem{}
-	this.list.Reset()
+	this.writingKeyMap = map[string]bool{}
+	_ = this.list.Reset()
 	if this.ticker != nil {
 		this.ticker.Stop()
 	}
+
+	_ = this.list.Close()
+
+	this.locker.Unlock()
+
+	remotelogs.Println("CACHE", "close memory storage '"+strconv.FormatInt(this.policy.Id, 10)+"'")
 }
 
 // Policy 获取当前存储的Policy
@@ -180,7 +230,7 @@ func (this *MemoryStorage) Policy() *serverconfigs.HTTPCachePolicy {
 func (this *MemoryStorage) AddToList(item *Item) {
 	item.MetaSize = int64(len(item.Key)) + 32 /** 32是我们评估的数据结构的长度 **/
 	hash := fmt.Sprintf("%d", this.hash(item.Key))
-	this.list.Add(hash, item)
+	_ = this.list.Add(hash, item)
 }
 
 // TotalDiskSize 消耗的磁盘尺寸
@@ -200,13 +250,14 @@ func (this *MemoryStorage) hash(key string) uint64 {
 
 // 清理任务
 func (this *MemoryStorage) purgeLoop() {
-	this.list.Purge(2048, func(hash string) {
+	_ = this.list.Purge(2048, func(hash string) error {
 		uintHash, err := strconv.ParseUint(hash, 10, 64)
 		if err == nil {
 			this.locker.Lock()
 			delete(this.valuesMap, uintHash)
 			this.locker.Unlock()
 		}
+		return nil
 	})
 }
 
@@ -226,3 +277,10 @@ func (this *MemoryStorage) memoryCapacityBytes() int64 {
 	}
 	return c1
 }
+
+func (this *MemoryStorage) deleteWithoutLocker(key string) error {
+	hash := this.hash(key)
+	delete(this.valuesMap, hash)
+	_ = this.list.Remove(fmt.Sprintf("%d", hash))
+	return nil
+}

internal/caches/storage_memory_test.go

@@ -84,6 +84,19 @@ func TestMemoryStorage_OpenWriter(t *testing.T) {
 	}
 }
 
+func TestMemoryStorage_OpenReaderLock(t *testing.T) {
+	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{})
+	_ = storage.Init()
+
+	var h = storage.hash("test")
+	storage.valuesMap = map[uint64]*MemoryItem{
+		h: {
+			IsDone: true,
+		},
+	}
+	_, _ = storage.OpenReader("test")
+}
+
 func TestMemoryStorage_Delete(t *testing.T) {
 	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{})
 	{
@@ -174,7 +187,8 @@ func TestMemoryStorage_CleanAll(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	t.Log(storage.list.Count(), len(storage.valuesMap))
+	total, _ := storage.list.Count()
+	t.Log(total, len(storage.valuesMap))
 }
 
 func TestMemoryStorage_Purge(t *testing.T) {
@@ -208,7 +222,8 @@ func TestMemoryStorage_Purge(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	t.Log(storage.list.Count(), len(storage.valuesMap))
+	total, _ := storage.list.Count()
+	t.Log(total, len(storage.valuesMap))
 }
 
 func TestMemoryStorage_Expire(t *testing.T) {
@@ -235,3 +250,18 @@ func TestMemoryStorage_Expire(t *testing.T) {
 	}
 	time.Sleep(70 * time.Second)
 }
+
+func TestMemoryStorage_Locker(t *testing.T) {
+	storage := NewMemoryStorage(&serverconfigs.HTTPCachePolicy{})
+	err := storage.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	storage.locker.Lock()
+	err = storage.deleteWithoutLocker("a")
+	storage.locker.Unlock()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}

internal/caches/writer.go

@@ -1,31 +1,31 @@
 package caches
 
-// 缓存内容写入接口
+// Writer 缓存内容写入接口
 type Writer interface {
-	// 写入Header数据
+	// WriteHeader 写入Header数据
 	WriteHeader(data []byte) (n int, err error)
 
-	// 写入Body数据
+	// Write 写入Body数据
 	Write(data []byte) (n int, err error)
 
-	// 写入的Header数据大小
+	// HeaderSize 写入的Header数据大小
 	HeaderSize() int64
 
-	// 写入的Body数据大小
+	// BodySize 写入的Body数据大小
 	BodySize() int64
 
-	// 关闭
+	// Close 关闭
 	Close() error
 
-	// 丢弃
+	// Discard 丢弃
 	Discard() error
 
-	// Key
+	// Key Key
 	Key() string
 
-	// 过期时间
+	// ExpiredAt 过期时间
 	ExpiredAt() int64
 
-	// 内容类型
+	// ItemType 内容类型
 	ItemType() ItemType
 }

internal/caches/writer_file.go

@@ -14,17 +14,19 @@ type FileWriter struct {
 	headerSize int64
 	bodySize   int64
 	expiredAt  int64
+	endFunc    func()
 }
 
-func NewFileWriter(rawWriter *os.File, key string, expiredAt int64) *FileWriter {
+func NewFileWriter(rawWriter *os.File, key string, expiredAt int64, endFunc func()) *FileWriter {
 	return &FileWriter{
 		key:       key,
 		rawWriter: rawWriter,
 		expiredAt: expiredAt,
+		endFunc:   endFunc,
 	}
 }
 
-// 写入数据
+// WriteHeader 写入数据
 func (this *FileWriter) WriteHeader(data []byte) (n int, err error) {
 	n, err = this.rawWriter.Write(data)
 	this.headerSize += int64(n)
@@ -34,7 +36,7 @@ func (this *FileWriter) WriteHeader(data []byte) (n int, err error) {
 	return
 }
 
-// 写入Header长度数据
+// WriteHeaderLength 写入Header长度数据
 func (this *FileWriter) WriteHeaderLength(headerLength int) error {
 	bytes4 := make([]byte, 4)
 	binary.BigEndian.PutUint32(bytes4, uint32(headerLength))
@@ -51,7 +53,7 @@ func (this *FileWriter) WriteHeaderLength(headerLength int) error {
 	return nil
 }
 
-// 写入数据
+// Write 写入数据
 func (this *FileWriter) Write(data []byte) (n int, err error) {
 	n, err = this.rawWriter.Write(data)
 	this.bodySize += int64(n)
@@ -61,7 +63,7 @@ func (this *FileWriter) Write(data []byte) (n int, err error) {
 	return
 }
 
-// 写入Body长度数据
+// WriteBodyLength 写入Body长度数据
 func (this *FileWriter) WriteBodyLength(bodyLength int64) error {
 	bytes8 := make([]byte, 8)
 	binary.BigEndian.PutUint64(bytes8, uint64(bodyLength))
@@ -78,8 +80,10 @@ func (this *FileWriter) WriteBodyLength(bodyLength int64) error {
 	return nil
 }
 
-// 关闭
+// Close 关闭
 func (this *FileWriter) Close() error {
+	defer this.endFunc()
+
 	err := this.WriteHeaderLength(types.Int(this.headerSize))
 	if err != nil {
 		return err
@@ -103,8 +107,10 @@ func (this *FileWriter) Close() error {
 	return err
 }
 
-// 丢弃
+// Discard 丢弃
 func (this *FileWriter) Discard() error {
+	defer this.endFunc()
+
 	_ = this.rawWriter.Close()
 
 	err := os.Remove(this.rawWriter.Name())
@@ -127,7 +133,7 @@ func (this *FileWriter) Key() string {
 	return this.key
 }
 
-// 内容类型
+// ItemType 获取内容类型
 func (this *FileWriter) ItemType() ItemType {
 	return ItemTypeFile
 }

internal/caches/writer_memory.go

@@ -3,6 +3,7 @@ package caches
 import (
 	"github.com/cespare/xxhash"
 	"sync"
+	"time"
 )
 
 type MemoryWriter struct {
@@ -14,52 +15,59 @@ type MemoryWriter struct {
 	bodySize   int64
 	status     int
 
-	hash uint64
-	item *MemoryItem
+	hash    uint64
+	item    *MemoryItem
+	endFunc func()
 }
 
-func NewMemoryWriter(m map[uint64]*MemoryItem, key string, expiredAt int64, status int, locker *sync.RWMutex) *MemoryWriter {
+func NewMemoryWriter(m map[uint64]*MemoryItem, key string, expiredAt int64, status int, locker *sync.RWMutex, endFunc func()) *MemoryWriter {
 	w := &MemoryWriter{
 		m:         m,
 		key:       key,
 		expiredAt: expiredAt,
 		locker:    locker,
 		item: &MemoryItem{
-			ExpiredAt: expiredAt,
-			Status:    status,
+			ExpiredAt:  expiredAt,
+			ModifiedAt: time.Now().Unix(),
+			Status:     status,
 		},
-		status: status,
+		status:  status,
+		endFunc: endFunc,
 	}
 	w.hash = w.calculateHash(key)
 
 	return w
 }
 
-// 写入数据
+// WriteHeader 写入数据
 func (this *MemoryWriter) WriteHeader(data []byte) (n int, err error) {
 	this.headerSize += int64(len(data))
 	this.item.HeaderValue = append(this.item.HeaderValue, data...)
 	return len(data), nil
 }
 
-// 写入数据
+// Write 写入数据
 func (this *MemoryWriter) Write(data []byte) (n int, err error) {
 	this.bodySize += int64(len(data))
 	this.item.BodyValue = append(this.item.BodyValue, data...)
 	return len(data), nil
 }
 
-// 数据尺寸
+// HeaderSize 数据尺寸
 func (this *MemoryWriter) HeaderSize() int64 {
 	return this.headerSize
 }
 
+// BodySize 主体内容尺寸
 func (this *MemoryWriter) BodySize() int64 {
 	return this.bodySize
 }
 
-// 关闭
+// Close 关闭
 func (this *MemoryWriter) Close() error {
+	// 需要在Locker之外
+	defer this.endFunc()
+
 	if this.item == nil {
 		return nil
 	}
@@ -72,25 +80,28 @@ func (this *MemoryWriter) Close() error {
 	return nil
 }
 
-// 丢弃
+// Discard 丢弃
 func (this *MemoryWriter) Discard() error {
+	// 需要在Locker之外
+	defer this.endFunc()
+
 	this.locker.Lock()
 	delete(this.m, this.hash)
 	this.locker.Unlock()
 	return nil
 }
 
-// Key
+// Key 获取Key
 func (this *MemoryWriter) Key() string {
 	return this.key
 }
 
-// 过期时间
+// ExpiredAt 过期时间
 func (this *MemoryWriter) ExpiredAt() int64 {
 	return this.expiredAt
 }
 
-// 内容类型
+// ItemType 内容类型
 func (this *MemoryWriter) ItemType() ItemType {
 	return ItemTypeMemory
 }

internal/const/build.go

@@ -0,0 +1,8 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+// +build community
+
+package teaconst
+
+const BuildCommunity = true
+const BuildPlus = false
+const Tag = "community"

internal/const/build_plus.go

@@ -0,0 +1,8 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+// +build plus
+
+package teaconst
+
+const BuildCommunity = false
+const BuildPlus = true
+const Tag = "plus"

internal/const/const.go

@@ -1,7 +1,7 @@
 package teaconst
 
 const (
-	Version = "0.1.0"
+	Version = "0.3.0"
 
 	ProductName = "Edge Node"
 	ProcessName = "edge-node"

internal/iplibrary/ip_list.go

@@ -6,7 +6,7 @@ import (
 	"sync"
 )
 
-// IP名单
+// IPList IP名单
 type IPList struct {
 	itemsMap   map[int64]*IPItem  // id => item
 	ipMap      map[uint64][]int64 // ip => itemIds
@@ -96,7 +96,7 @@ func (this *IPList) Delete(itemId int64) {
 	this.isAll = len(this.ipMap[0]) > 0
 }
 
-// 判断是否包含某个IP
+// Contains 判断是否包含某个IP
 func (this *IPList) Contains(ip uint64) bool {
 	this.locker.RLock()
 	if this.isAll {
@@ -109,7 +109,7 @@ func (this *IPList) Contains(ip uint64) bool {
 	return ok
 }
 
-// 是否包含一组IP
+// ContainsIPStrings 是否包含一组IP
 func (this *IPList) ContainsIPStrings(ipStrings []string) (found bool, item *IPItem) {
 	if len(ipStrings) == 0 {
 		return

internal/iplibrary/library_interface.go

@@ -1,12 +1,13 @@
 package iplibrary
 
 type LibraryInterface interface {
-	// 加载数据库文件
+	// Load 加载数据库文件
 	Load(dbPath string) error
 
-	// 查询IP
+	// Lookup 查询IP
+	// 返回结果有可能为空
 	Lookup(ip string) (*Result, error)
 
-	// 关闭数据库文件
+	// Close 关闭数据库文件
 	Close()
 }

internal/iplibrary/library_ip2region.go

@@ -5,6 +5,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/errors"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/lionsoul2014/ip2region/binding/golang/ip2region"
+	"net"
 	"strings"
 )
 
@@ -27,6 +28,9 @@ func (this *IP2RegionLibrary) Lookup(ip string) (*Result, error) {
 	if strings.Contains(ip, ":") {
 		return nil, nil
 	}
+	if net.ParseIP(ip) == nil {
+		return nil, nil
+	}
 
 	if this.db == nil {
 		return nil, errors.New("library has not been loaded")

internal/iplibrary/manager_ip_list.go

@@ -47,7 +47,7 @@ func (this *IPListManager) Start() {
 	// 第一次读取
 	err := this.loop()
 	if err != nil {
-		remotelogs.Println("IP_LIST_MANAGER", err.Error())
+		remotelogs.Error("IP_LIST_MANAGER", err.Error())
 	}
 
 	ticker := time.NewTicker(60 * time.Second)
@@ -64,7 +64,7 @@ func (this *IPListManager) Start() {
 		if err != nil {
 			countErrors++
 
-			remotelogs.Println("IP_LIST_MANAGER", err.Error())
+			remotelogs.Error("IP_LIST_MANAGER", err.Error())
 
 			// 连续错误小于3次的我们立即重试
 			if countErrors <= 3 {

internal/js/console.go

@@ -0,0 +1,50 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js
+
+import (
+	"encoding/json"
+	"github.com/iwind/TeaGo/logs"
+	"reflect"
+)
+
+type Console struct {
+}
+
+func (this *Console) Log(args ...interface{}) {
+	for index, arg := range args {
+		if arg != nil {
+			switch arg.(type) {
+			case bool, int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64, string:
+			default:
+				var argType = reflect.TypeOf(arg)
+
+				// 是否有String()方法，如果有直接调用
+				method, ok := argType.MethodByName("String")
+				if ok && method.Type.NumIn() == 1 && method.Type.NumOut() == 1 && method.Type.Out(0).Kind() == reflect.String {
+					args[index] = method.Func.Call([]reflect.Value{reflect.ValueOf(arg)})[0].String()
+					continue
+				}
+
+				// 转为JSON
+				argJSON, err := this.toJSON(arg)
+				if err != nil {
+					if argType.Kind() == reflect.Func {
+						args[index] = "[function]"
+					} else {
+						args[index] = "[object]"
+					}
+				} else {
+					args[index] = string(argJSON)
+				}
+			}
+		} else {
+			args[index] = "null"
+		}
+	}
+	logs.Println(append([]interface{}{"[js][console]"}, args...)...)
+}
+
+func (this *Console) toJSON(o interface{}) ([]byte, error) {
+	return json.Marshal(o)
+}

internal/js/console_test.go

@@ -0,0 +1,38 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js
+
+import (
+	"testing"
+)
+
+func TestConsole_Log(t *testing.T) {
+	{
+		vm := NewVM()
+		_, err := vm.RunString("console.log('Hello', 'world')")
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+	{
+		vm := NewVM()
+		_, err := vm.RunString("console.log(null, true, false, 10, 10.123)")
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+	{
+		vm := NewVM()
+		_, err := vm.RunString("console.log({ a:1, b:2 })")
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+	{
+		vm := NewVM()
+		_, err := vm.RunString("console.log(console.log)")
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+}

internal/js/http.go

@@ -0,0 +1,36 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js
+
+type HTTP struct {
+	r RequestInterface
+
+	req  *Request
+	resp *Response
+
+	onRequest func(req *Request, resp *Response)
+}
+
+func NewHTTP(r RequestInterface) *HTTP {
+	return &HTTP{
+		req:  NewRequest(r),
+		resp: NewResponse(r),
+	}
+}
+
+func (this *HTTP) OnRequest(callback func(req *Request, resp *Response)) {
+	// TODO 考虑是否支持多个callback
+	this.onRequest = callback
+}
+
+func (this *HTTP) OnData(callback func(req *Request, resp *Response)) {
+	// TODO
+}
+
+func (this *HTTP) OnResponse(callback func(req *Request, resp *Response)) {
+	// TODO
+}
+
+func (this *HTTP) TriggerRequest() {
+	this.onRequest(this.req, this.resp)
+}

internal/js/request.go

@@ -0,0 +1,82 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js
+
+import (
+	"bytes"
+	"io/ioutil"
+	"net"
+)
+
+type Request struct {
+	r RequestInterface
+}
+
+func NewRequest(r RequestInterface) *Request {
+	return &Request{
+		r: r,
+	}
+}
+
+func (this *Request) Proto() string {
+	return this.r.JSRequest().Proto
+}
+
+func (this *Request) Method() string {
+	return this.r.JSRequest().Method
+}
+
+func (this *Request) Header() map[string][]string {
+	return this.r.JSRequest().Header
+}
+
+func (this *Request) AddHeader(name string, value string) {
+	this.r.JSRequest().Header[name] = append(this.r.JSRequest().Header[name], value)
+}
+
+func (this *Request) SetHeader(name string, value string) {
+	this.r.JSRequest().Header[name] = []string{value}
+}
+
+func (this *Request) RemoteAddr() string {
+	var remoteAddr = this.r.JSRequest().RemoteAddr
+	host, _, err := net.SplitHostPort(remoteAddr)
+	if err == nil {
+		return host
+	}
+	return remoteAddr
+}
+
+func (this *Request) Url() *URL {
+	return NewURL(this.r.JSRequest().URL)
+}
+
+func (this *Request) ContentLength() int64 {
+	return this.r.JSRequest().ContentLength
+}
+
+func (this *Request) Body() []byte {
+	var bodyReader = this.r.JSRequest().Body
+	if bodyReader == nil {
+		return []byte{}
+	}
+	data, err := ioutil.ReadAll(bodyReader)
+	if err != nil {
+		this.r.JSLog("read body failed: " + err.Error())
+	}
+	return data
+}
+
+func (this *Request) CopyBody() []byte {
+	var bodyReader = this.r.JSRequest().Body
+	if bodyReader == nil {
+		return []byte{}
+	}
+
+	data, err := ioutil.ReadAll(bodyReader)
+	if err != nil {
+		this.r.JSLog("read body failed: " + err.Error())
+	}
+	this.r.JSRequest().Body = ioutil.NopCloser(bytes.NewReader(data))
+	return data
+}

internal/js/request_interface.go

@@ -0,0 +1,19 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js
+
+import "net/http"
+
+type RequestInterface interface {
+	// JSRequest 请求
+	JSRequest() *http.Request
+
+	// JSWriter 响应
+	JSWriter() http.ResponseWriter
+
+	// JSStop 中止请求
+	JSStop()
+
+	// JSLog 打印日志
+	JSLog(msg ...interface{})
+}

internal/js/request_test.go

@@ -0,0 +1,124 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js_test
+
+import (
+	"bytes"
+	"github.com/TeaOSLab/EdgeNode/internal/js"
+	"github.com/iwind/TeaGo/logs"
+	"io/ioutil"
+	"net/http"
+	"testing"
+)
+
+type testRequest struct {
+	rawRequest  *http.Request
+	rawResponse *testResponse
+}
+
+func (this *testRequest) JSRequest() *http.Request {
+	if this.rawRequest != nil {
+		return this.rawRequest
+	}
+	req, _ := http.NewRequest(http.MethodGet, "https://iwind:123456@goedge.cn/docs?name=Libai&age=20", nil)
+	req.Header.Set("Server", "edgejs/1.0")
+	req.Header.Set("Content-Type", "application/json")
+	req.Body = ioutil.NopCloser(bytes.NewReader([]byte("123456")))
+	this.rawRequest = req
+	return req
+}
+
+func (this *testRequest) JSWriter() http.ResponseWriter {
+	if this.rawResponse != nil {
+		return this.rawResponse
+	}
+	this.rawResponse = &testResponse{}
+	return this.rawResponse
+}
+
+func (this *testRequest) JSStop() {
+
+}
+
+func (this *testRequest) JSLog(msg ...interface{}) {
+	logs.Println(msg...)
+}
+
+type testResponse struct {
+	statusCode int
+	header     http.Header
+}
+
+func (this *testResponse) Header() http.Header {
+	if this.header == nil {
+		this.header = http.Header{}
+	}
+	return this.header
+}
+
+func (this *testResponse) Write(p []byte) (int, error) {
+	return len(p), nil
+}
+
+func (this *testResponse) WriteHeader(statusCode int) {
+	this.statusCode = statusCode
+}
+
+func TestRequest(t *testing.T) {
+	vm := js.NewVM()
+	vm.SetRequest(&testRequest{})
+
+	// 事件监听
+	_, err := vm.RunString(`
+	http.onRequest(function (req, resp) {
+		console.log(req.proto())
+
+		let url = req.url()
+		console.log(url, "port:", url.port(), "args:", url.args())
+		console.log("username:", url.username(), "password:", url.password())
+		console.log("uri:", url.uri(), "path:", url.path())
+
+		req.addHeader("Server", "1.0")
+
+		
+		resp.write("this is response")
+		console.log(resp)
+
+		console.log(req.body()) 
+	})
+`)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// 触发事件
+	_, err = vm.RunString(`http.triggerRequest()`)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestRequest_Header(t *testing.T) {
+	var req = js.NewRequest(&testRequest{})
+	logs.PrintAsJSON(req.Header(), t)
+
+	req.AddHeader("Content-Length", "10")
+	req.AddHeader("Vary", "1.0")
+	req.AddHeader("Vary", "2.0")
+	logs.PrintAsJSON(req.Header(), t)
+
+	req.SetHeader("Vary", "3.0")
+	logs.PrintAsJSON(req.Header(), t)
+}
+
+func TestRequest_Body(t *testing.T) {
+	var req = js.NewRequest(&testRequest{})
+	t.Log(string(req.Body()))
+	t.Log(string(req.Body()))
+}
+
+func TestRequest_CopyBody(t *testing.T) {
+	var req = js.NewRequest(&testRequest{})
+	t.Log(string(req.CopyBody()))
+	t.Log(string(req.CopyBody()))
+}

internal/js/response.go

@@ -0,0 +1,39 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js
+
+type Response struct {
+	r RequestInterface
+}
+
+func NewResponse(r RequestInterface) *Response {
+	return &Response{
+		r: r,
+	}
+}
+
+func (this *Response) Write(s string) error {
+	_, err := this.r.JSWriter().Write([]byte(s))
+	return err
+}
+
+func (this *Response) Reply(status int) {
+	this.SetStatus(status)
+	this.r.JSStop()
+}
+
+func (this *Response) Header() map[string][]string {
+	return this.r.JSWriter().Header()
+}
+
+func (this *Response) AddHeader(name string, value string) {
+	this.r.JSWriter().Header()[name] = append(this.r.JSWriter().Header()[name], value)
+}
+
+func (this *Response) SetHeader(name string, value string) {
+	this.r.JSWriter().Header()[name] = []string{value}
+}
+
+func (this *Response) SetStatus(statusCode int) {
+	this.r.JSWriter().WriteHeader(statusCode)
+}

internal/js/response_test.go

@@ -0,0 +1,16 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/js"
+	"testing"
+)
+
+func TestNewResponse(t *testing.T) {
+	var resp = js.NewResponse(&testRequest{})
+	resp.AddHeader("Vary", "1.0")
+	resp.AddHeader("Vary", "2.0")
+	resp.SetHeader("Server", "edgejs/1.0")
+	t.Logf("%#v", resp.Header())
+}

internal/js/url.go

@@ -0,0 +1,90 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js
+
+import (
+	"github.com/dop251/goja"
+	"github.com/iwind/TeaGo/types"
+	"net/url"
+)
+
+type URL struct {
+	u *url.URL
+}
+
+func NewURL(u *url.URL) *URL {
+	return &URL{
+		u: u,
+	}
+}
+
+func (this *URL) JSNew(args []goja.Value) *URL {
+	var urlString = ""
+	if len(args) == 1 {
+		urlString = args[0].String()
+	}
+	u, _ := url.Parse(urlString)
+	if u == nil {
+		u = &url.URL{}
+	}
+	return NewURL(u)
+}
+
+func (this *URL) Port() int {
+	return types.Int(this.u.Port())
+}
+
+func (this *URL) Args() map[string][]string {
+	return this.u.Query()
+}
+
+func (this *URL) Arg(name string) string {
+	return this.u.Query().Get(name)
+}
+
+func (this *URL) Username() string {
+	if this.u.User != nil {
+		return this.u.User.Username()
+	}
+	return ""
+}
+
+func (this *URL) Password() string {
+	if this.u.User != nil {
+		password, _ := this.u.User.Password()
+		return password
+	}
+	return ""
+}
+
+func (this *URL) Uri() string {
+	return this.u.RequestURI()
+}
+
+func (this *URL) Path() string {
+	return this.u.Path
+}
+
+func (this *URL) Host() string {
+	return this.u.Host
+}
+
+func (this *URL) Fragment() string {
+	return this.u.Fragment
+}
+
+func (this *URL) Hash() string {
+	if len(this.u.Fragment) > 0 {
+		return "#" + this.u.Fragment
+	} else {
+		return ""
+	}
+}
+
+func (this *URL) Scheme() string {
+	return this.u.Scheme
+}
+
+func (this *URL) String() string {
+	return this.u.String()
+}

internal/js/url_test.go

@@ -0,0 +1,18 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js
+
+import (
+	"net/url"
+	"testing"
+)
+
+func TestURL(t *testing.T) {
+	raw, err := url.Parse("https://iwind:123456@goedge.cn/docs?name=Libai&age=20#a=b")
+	if err != nil {
+		t.Fatal(err)
+	}
+	var u = NewURL(raw)
+	t.Log("host:", u.Host())
+	t.Log("hash:", u.Hash())
+}

internal/js/vm.go

@@ -0,0 +1,153 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js
+
+import (
+	"errors"
+	"github.com/dop251/goja"
+	"github.com/iwind/TeaGo/logs"
+	"reflect"
+	"strings"
+)
+
+var sharedPrograms []*goja.Program
+var sharedConsole = &Console{}
+
+func init() {
+	// compile programs
+}
+
+type VM struct {
+	vm *goja.Runtime
+}
+
+func NewVM() *VM {
+	vm := goja.New()
+	vm.SetFieldNameMapper(goja.TagFieldNameMapper("json", true))
+
+	// programs
+	for _, program := range sharedPrograms {
+		_, _ = vm.RunProgram(program)
+	}
+
+	v := &VM{vm: vm}
+	v.initVM()
+	return v
+}
+
+func (this *VM) Set(name string, obj interface{}) error {
+	return this.vm.Set(name, obj)
+}
+
+func (this *VM) AddConstructor(name string, instance interface{}) error {
+	objType := reflect.TypeOf(instance)
+
+	if objType.Kind() != reflect.Ptr {
+		return errors.New("instance should be pointer")
+	}
+
+	// construct
+	newMethod, ok := objType.MethodByName("JSNew")
+	if !ok {
+		return errors.New("can not find 'JSNew()' method in '" + objType.Elem().Name() + "'")
+	}
+
+	var err = this.Set(name, func(call goja.ConstructorCall) *goja.Object {
+		if newMethod.Type.NumIn() != 2 {
+			this.throw(errors.New(objType.Elem().Name() + ".JSNew() should accept a '[]goja.Value' argument"))
+			return nil
+		}
+		if newMethod.Type.In(1).String() != "[]goja.Value" {
+			this.throw(errors.New(objType.Elem().Name() + ".JSNew() should accept a '[]goja.Value' argument"))
+			return nil
+		}
+
+		// new
+		var results = newMethod.Func.Call([]reflect.Value{reflect.ValueOf(instance), reflect.ValueOf(call.Arguments)})
+		if len(results) == 0 {
+			this.throw(errors.New(objType.Elem().Name() + ".JSNew() should return a valid instance"))
+			return nil
+		}
+		var result = results[0]
+		if result.Type() != objType {
+			this.throw(errors.New(objType.Elem().Name() + ".JSNew() should return a same instance"))
+			return nil
+		}
+
+		// methods
+		var resultType = result.Type()
+		var numMethod = result.NumMethod()
+		for i := 0; i < numMethod; i++ {
+			var method = resultType.Method(i)
+			var methodName = strings.ToLower(method.Name[:1]) + method.Name[1:]
+			err := call.This.Set(methodName, result.MethodByName(method.Name).Interface())
+			if err != nil {
+				this.throw(err)
+				continue
+			}
+		}
+
+		//  支持属性
+		var numField = result.Elem().Type().NumField()
+		for i := 0; i < numField; i++ {
+			var field = result.Elem().Field(i)
+			if !field.CanInterface() {
+				continue
+			}
+			var fieldType = objType.Elem().Field(i)
+			tag, ok := fieldType.Tag.Lookup("json")
+			if !ok {
+				tag = fieldType.Name
+				tag = strings.ToLower(tag[:1]) + tag[1:]
+			} else {
+				// TODO 校验tag是否符合变量语法
+			}
+			err := call.This.Set(tag, field.Interface())
+			if err != nil {
+				this.throw(err)
+				continue
+			}
+		}
+
+		return nil
+	})
+	return err
+}
+
+func (this *VM) RunString(str string) (goja.Value, error) {
+	defer func() {
+		e := recover()
+		if e != nil {
+			// TODO 需要打印trace
+			logs.Println("panic:", e)
+		}
+	}()
+	return this.vm.RunString(str)
+}
+
+func (this *VM) SetRequest(req RequestInterface) {
+	{
+		err := this.vm.Set("http", NewHTTP(req))
+		if err != nil {
+			this.throw(err)
+		}
+	}
+}
+
+func (this *VM) initVM() {
+	{
+		err := this.vm.Set("console", sharedConsole)
+		if err != nil {
+			this.throw(err)
+		}
+	}
+}
+
+func (this *VM) throw(err error) {
+	if err == nil {
+		return
+	}
+
+	// TODO
+	logs.Println("js:VM:error: " + err.Error())
+}

internal/js/vm_test.go

@@ -0,0 +1,158 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js
+
+import (
+	"github.com/dop251/goja"
+	"testing"
+	"time"
+)
+
+func TestNewVM(t *testing.T) {
+	before := time.Now()
+	defer func() {
+		t.Log(time.Since(before).Seconds()*1000, "ms")
+	}()
+
+	vm := NewVM()
+	{
+		v, err := vm.RunString("JSON.stringify({\"a\":\"b\"})")
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("JSON.stringify():", v)
+	}
+	{
+		v, err := vm.RunString(`JSON.parse('{\"a\":\"b\"}')`)
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log("JSON.parse():", v)
+	}
+	{
+		err := vm.AddConstructor("Url", &URL{})
+		if err != nil {
+			t.Fatal("add constructor error:", err)
+		}
+		_, err = vm.RunString(`
+{
+	let u = new Url("https://goedge.cn/docs?v=1")
+	console.log("host:", u.host(), u.uri())
+}
+{
+	let u = new Url("https://teaos.cn/downloads?v=1")
+	console.log("host:", u.host(), u.uri())
+}
+
+{
+	let u = new Url()
+	console.log("host:", u.host(), u.uri())
+}
+
+{
+	let u = new Url("a", "b", "c")
+	console.log("host:", u.host(), u.uri())
+}
+`)
+		if err != nil {
+			t.Fatal("add constructor error:" + err.Error())
+		}
+	}
+}
+
+func TestVM_Program(t *testing.T) {
+	var s = `
+{
+	let u = new Url("https://goedge.cn/docs?v=1")
+	//console.log("host:", u.host(), u.uri())
+}
+{
+	let u = new Url("https://teaos.cn/downloads?v=1")
+	//console.log("host:", u.host(), u.uri())
+}
+
+{
+	let u = new Url()
+	//console.log("host:", u.host(), u.uri())
+}
+
+{
+	let u = new Url("a", "b", "c")
+	//console.log("host:", u.host(), u.uri())
+}
+`
+	program := goja.MustCompile("s", s, true)
+
+	before := time.Now()
+	defer func() {
+		t.Log(time.Since(before).Seconds()*1000, "ms")
+	}()
+
+	vm := NewVM()
+	err := vm.AddConstructor("Url", &URL{})
+	if err != nil {
+		t.Fatal("add constructor error:", err)
+	}
+	//_, err = vm.RunString(s)
+	_, err = vm.vm.RunProgram(program)
+	if err != nil {
+		t.Fatal("add constructor error:" + err.Error())
+	}
+}
+
+func Benchmark_Program(b *testing.B) {
+	var s = `
+{
+	let u = new Url("https://goedge.cn/docs?v=1")
+	//console.log("host:", u.host(), u.uri())
+}
+{
+	let u = new Url("https://teaos.cn/downloads?v=1")
+	//console.log("host:", u.host(), u.uri())
+}
+
+{
+	let u = new Url()
+	//console.log("host:", u.host(), u.uri())
+}
+
+{
+	let u = new Url("a", "b", "c")
+	//console.log("host:", u.host(), u.uri())
+}
+{
+	let u = new Url("https://goedge.cn/docs?v=1")
+	//console.log("host:", u.host(), u.uri())
+}
+{
+	let u = new Url("https://teaos.cn/downloads?v=1")
+	//console.log("host:", u.host(), u.uri())
+}
+
+{
+	let u = new Url()
+	//console.log("host:", u.host(), u.uri())
+}
+
+{
+	let u = new Url("a", "b", "c")
+	//console.log("host:", u.host(), u.uri())
+}
+`
+	program := goja.MustCompile("s", s, true)
+
+	vm := NewVM()
+
+	err := vm.AddConstructor("Url", &URL{})
+	if err != nil {
+		b.Fatal("add constructor error:", err)
+	}
+
+	for i := 0; i < b.N; i++ {
+		//_, err = vm.RunString(s)
+		_, err = vm.vm.RunProgram(program)
+		if err != nil {
+			b.Fatal("add constructor error:" + err.Error())
+		}
+	}
+}

internal/metrics/manager.go

@@ -0,0 +1,121 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package metrics
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"strconv"
+	"sync"
+)
+
+var SharedManager = NewManager()
+
+type Manager struct {
+	tasks         map[int64]*Task    // itemId => *Task
+	categoryTasks map[string][]*Task // category => []*Task
+	locker        sync.RWMutex
+
+	hasHTTPMetrics bool
+	hasTCPMetrics  bool
+	hasUDPMetrics  bool
+}
+
+func NewManager() *Manager {
+	return &Manager{
+		tasks:         map[int64]*Task{},
+		categoryTasks: map[string][]*Task{},
+	}
+}
+
+func (this *Manager) Update(items []*serverconfigs.MetricItemConfig) {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	var newMap = map[int64]*serverconfigs.MetricItemConfig{}
+	for _, item := range items {
+		newMap[item.Id] = item
+	}
+
+	// 停用以前的 或 修改现在的
+	for itemId, task := range this.tasks {
+		newItem, ok := newMap[itemId]
+		if !ok || !newItem.IsOn { // 停用以前的
+			remotelogs.Println("METRIC_MANAGER", "stop task '"+strconv.FormatInt(itemId, 10)+"'")
+			err := task.Stop()
+			if err != nil {
+				remotelogs.Error("METRIC_MANAGER", "stop task '"+strconv.FormatInt(itemId, 10)+"' failed: "+err.Error())
+			}
+			delete(this.tasks, itemId)
+		} else { // 更新已存在的
+			if newItem.Version != task.item.Version {
+				remotelogs.Println("METRIC_MANAGER", "update task '"+strconv.FormatInt(itemId, 10)+"'")
+				task.item = newItem
+			}
+		}
+	}
+
+	// 启动新的
+	for _, newItem := range items {
+		if !newItem.IsOn {
+			continue
+		}
+		_, ok := this.tasks[newItem.Id]
+		if !ok {
+			remotelogs.Println("METRIC_MANAGER", "start task '"+strconv.FormatInt(newItem.Id, 10)+"'")
+			task := NewTask(newItem)
+			err := task.Init()
+			if err != nil {
+				remotelogs.Error("METRIC_MANAGER", "initialized task failed: "+err.Error())
+				continue
+			}
+			err = task.Start()
+			if err != nil {
+				remotelogs.Error("METRIC_MANAGER", "start task failed: "+err.Error())
+				continue
+			}
+			this.tasks[newItem.Id] = task
+		}
+	}
+
+	// 按分类存放
+	this.hasHTTPMetrics = false
+	this.hasTCPMetrics = false
+	this.hasUDPMetrics = false
+	this.categoryTasks = map[string][]*Task{}
+	for _, task := range this.tasks {
+		tasks := this.categoryTasks[task.item.Category]
+		tasks = append(tasks, task)
+		this.categoryTasks[task.item.Category] = tasks
+
+		switch task.item.Category {
+		case serverconfigs.MetricItemCategoryHTTP:
+			this.hasHTTPMetrics = true
+		case serverconfigs.MetricItemCategoryTCP:
+			this.hasTCPMetrics = true
+		case serverconfigs.MetricItemCategoryUDP:
+			this.hasUDPMetrics = true
+		}
+	}
+}
+
+// Add 添加数据
+func (this *Manager) Add(obj MetricInterface) {
+	this.locker.RLock()
+	for _, task := range this.categoryTasks[obj.MetricCategory()] {
+		task.Add(obj)
+	}
+	this.locker.RUnlock()
+}
+
+func (this *Manager) HasHTTPMetrics() bool {
+	return this.hasHTTPMetrics
+}
+
+func (this *Manager) HasTCPMetrics() bool {
+	return this.hasTCPMetrics
+}
+
+func (this *Manager) HasUDPMetrics() bool {
+	return this.hasUDPMetrics
+}

internal/metrics/manager_test.go

@@ -0,0 +1,63 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package metrics
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"testing"
+)
+
+func TestNewManager(t *testing.T) {
+	var manager = NewManager()
+	{
+		manager.Update([]*serverconfigs.MetricItemConfig{})
+		for _, task := range manager.tasks {
+			t.Log(task.item.Id)
+		}
+	}
+	{
+		t.Log("====")
+		manager.Update([]*serverconfigs.MetricItemConfig{
+			{
+				Id: 1,
+			},
+			{
+				Id: 2,
+			},
+			{
+				Id: 3,
+			},
+		})
+		for _, task := range manager.tasks {
+			t.Log("task:", task.item.Id)
+		}
+	}
+
+	{
+		t.Log("====")
+		manager.Update([]*serverconfigs.MetricItemConfig{
+			{
+				Id: 1,
+			},
+			{
+				Id: 2,
+			},
+		})
+		for _, task := range manager.tasks {
+			t.Log("task:", task.item.Id)
+		}
+	}
+
+	{
+		t.Log("====")
+		manager.Update([]*serverconfigs.MetricItemConfig{
+			{
+				Id:      1,
+				Version: 1,
+			},
+		})
+		for _, task := range manager.tasks {
+			t.Log("task:", task.item.Id)
+		}
+	}
+}

internal/metrics/metric_interface.go

@@ -0,0 +1,17 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package metrics
+
+type MetricInterface interface {
+	// MetricKey 指标对象
+	MetricKey(key string) string
+
+	// MetricValue 指标值
+	MetricValue(value string) (result int64, ok bool)
+
+	// MetricServerId 服务ID
+	MetricServerId() int64
+
+	// MetricCategory 指标分类
+	MetricCategory() string
+}

internal/metrics/stat.go

@@ -0,0 +1,22 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package metrics
+
+import (
+	"encoding/json"
+	"github.com/cespare/xxhash"
+	"strconv"
+)
+
+type Stat struct {
+	ServerId int64
+	Keys     []string
+	Hash     string
+	Value    int64
+	Time     string
+}
+
+func SumStat(serverId int64, keys []string, time string, version int32, itemId int64) string {
+	keysData, _ := json.Marshal(keys)
+	return strconv.FormatUint(xxhash.Sum64String(strconv.FormatInt(serverId, 10)+"@"+string(keysData)+"@"+time+"@"+strconv.Itoa(int(version))+"@"+strconv.FormatInt(itemId, 10)), 10)
+}

internal/metrics/task.go

@@ -0,0 +1,503 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package metrics
+
+import (
+	"database/sql"
+	"encoding/json"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/TeaOSLab/EdgeNode/internal/rpc"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/iwind/TeaGo/Tea"
+	_ "github.com/mattn/go-sqlite3"
+	"os"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+)
+
+const MaxQueueSize = 10240
+
+// Task 单个指标任务
+// 数据库存储：
+//  data/
+//     metric.$ID.db
+//        stats
+//           id, keys, value, time, serverId, hash
+//  原理：
+//     添加或者有变更时 isUploaded = false
+//     上传时检查 isUploaded 状态
+//     只上传每个服务中排序最前面的 N 个数据
+type Task struct {
+	item     *serverconfigs.MetricItemConfig
+	isLoaded bool
+
+	db            *sql.DB
+	statTableName string
+	isStopped     bool
+
+	cleanTicker  *utils.Ticker
+	uploadTicker *utils.Ticker
+
+	cleanVersion int32
+
+	insertStatStmt          *sql.Stmt
+	deleteByVersionStmt     *sql.Stmt
+	deleteByExpiresTimeStmt *sql.Stmt
+	selectTopStmt           *sql.Stmt
+	sumStmt                 *sql.Stmt
+
+	serverIdMap       map[int64]bool  // 所有的服务Ids
+	timeMap           map[string]bool // time => bool
+	serverIdMapLocker sync.Mutex
+
+	statsMap    map[string]*Stat
+	statsLocker sync.Mutex
+	statsTicker *utils.Ticker
+}
+
+// NewTask 获取新任务
+func NewTask(item *serverconfigs.MetricItemConfig) *Task {
+	return &Task{
+		item:        item,
+		serverIdMap: map[int64]bool{},
+		timeMap:     map[string]bool{},
+		statsMap:    map[string]*Stat{},
+	}
+}
+
+// Init 初始化
+func (this *Task) Init() error {
+	this.statTableName = "stats"
+
+	// 检查目录是否存在
+	var dir = Tea.Root + "/data"
+	_, err := os.Stat(dir)
+	if err != nil {
+		err = os.MkdirAll(dir, 0777)
+		if err != nil {
+			return err
+		}
+		remotelogs.Println("METRIC", "create data dir '"+dir+"'")
+	}
+
+	db, err := sql.Open("sqlite3", "file:"+dir+"/metric."+strconv.FormatInt(this.item.Id, 10)+".db?cache=shared&mode=rwc&_journal_mode=WAL")
+	if err != nil {
+		return err
+	}
+	db.SetMaxOpenConns(1)
+	this.db = db
+
+	//创建统计表
+	_, err = db.Exec(`CREATE TABLE IF NOT EXISTS "` + this.statTableName + `" (
+  "id" integer NOT NULL PRIMARY KEY AUTOINCREMENT,
+  "hash" varchar(32),
+  "keys" varchar(1024),
+  "value" real DEFAULT 0,
+  "time" varchar(32),
+  "serverId" integer DEFAULT 0,
+  "version" integer DEFAULT 0,
+  "isUploaded" integer DEFAULT 0
+);
+
+CREATE INDEX IF NOT EXISTS "serverId"
+ON "` + this.statTableName + `" (
+  "serverId" ASC,
+  "version" ASC
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS "hash"
+ON "` + this.statTableName + `" (
+  "hash" ASC
+);`)
+	if err != nil {
+		return err
+	}
+
+	// insert stat stmt
+	this.insertStatStmt, err = db.Prepare(`INSERT INTO "stats" ("serverId", "hash", "keys", "value", "time", "version", "isUploaded") VALUES (?, ?, ?, ?, ?, ?, 0) ON CONFLICT("hash") DO UPDATE SET "value"="value"+?, "isUploaded"=0`)
+	if err != nil {
+		return err
+	}
+
+	// delete by version
+	this.deleteByVersionStmt, err = db.Prepare(`DELETE FROM "` + this.statTableName + `" WHERE "version"<?`)
+	if err != nil {
+		return err
+	}
+
+	// delete by expires time
+	this.deleteByExpiresTimeStmt, err = db.Prepare(`DELETE FROM "` + this.statTableName + `" WHERE "time"<?`)
+	if err != nil {
+		return err
+	}
+
+	// select topN stmt
+	this.selectTopStmt, err = db.Prepare(`SELECT "id", "hash", "keys", "value", "isUploaded" FROM "` + this.statTableName + `" WHERE "serverId"=? AND "version"=? AND time=? ORDER BY "value" DESC LIMIT 20`)
+	if err != nil {
+		return err
+	}
+
+	// sum stmt
+	this.sumStmt, err = db.Prepare(`SELECT COUNT(*), IFNULL(SUM(value), 0) FROM "` + this.statTableName + `" WHERE "serverId"=? AND "version"=? AND time=?`)
+	if err != nil {
+		return err
+	}
+
+	// 所有的服务IDs
+	err = this.loadServerIdMap()
+	if err != nil {
+		return err
+	}
+
+	this.isLoaded = true
+
+	return nil
+}
+
+// Start 启动任务
+func (this *Task) Start() error {
+	// 读取数据
+	this.statsTicker = utils.NewTicker(1 * time.Minute)
+	go func() {
+		for this.statsTicker.Next() {
+			this.statsLocker.Lock()
+			var statsMap = this.statsMap
+			this.statsMap = map[string]*Stat{}
+			this.statsLocker.Unlock()
+
+			for _, stat := range statsMap {
+				err := this.InsertStat(stat)
+				if err != nil {
+					remotelogs.Error("METRIC", "insert stat failed: "+err.Error())
+				}
+			}
+		}
+	}()
+
+	// 清理
+	this.cleanTicker = utils.NewTicker(24 * time.Hour)
+	go func() {
+		for this.cleanTicker.Next() {
+			err := this.CleanExpired()
+			if err != nil {
+				remotelogs.Error("METRIC", "clean expired stats failed: "+err.Error())
+			}
+		}
+	}()
+
+	// 上传
+	this.uploadTicker = utils.NewTicker(this.item.UploadDuration())
+	go func() {
+		for this.uploadTicker.Next() {
+			err := this.Upload(1 * time.Second)
+			if err != nil {
+				remotelogs.Error("METRIC", "upload stats failed: "+err.Error())
+			}
+		}
+	}()
+
+	return nil
+}
+
+// Add 添加数据
+func (this *Task) Add(obj MetricInterface) {
+	if this.isStopped || !this.isLoaded {
+		return
+	}
+
+	var keys = []string{}
+	for _, key := range this.item.Keys {
+		k := obj.MetricKey(key)
+		keys = append(keys, k)
+	}
+
+	v, ok := obj.MetricValue(this.item.Value)
+	if !ok {
+		return
+	}
+
+	var hash = SumStat(obj.MetricServerId(), keys, this.item.CurrentTime(), this.item.Version, this.item.Id)
+	this.statsLocker.Lock()
+	oldStat, ok := this.statsMap[hash]
+	if ok {
+		oldStat.Value += v
+		oldStat.Hash = hash
+	} else {
+		// 防止过载
+		if len(this.statsMap) < MaxQueueSize {
+			this.statsMap[hash] = &Stat{
+				ServerId: obj.MetricServerId(),
+				Keys:     keys,
+				Value:    v,
+				Time:     this.item.CurrentTime(),
+				Hash:     hash,
+			}
+		}
+	}
+	this.statsLocker.Unlock()
+}
+
+// Stop 停止任务
+func (this *Task) Stop() error {
+	this.isStopped = true
+
+	if this.cleanTicker != nil {
+		this.cleanTicker.Stop()
+	}
+	if this.uploadTicker != nil {
+		this.uploadTicker.Stop()
+	}
+	if this.statsTicker != nil {
+		this.statsTicker.Stop()
+	}
+
+	_ = this.insertStatStmt.Close()
+	_ = this.deleteByVersionStmt.Close()
+	_ = this.deleteByExpiresTimeStmt.Close()
+	_ = this.selectTopStmt.Close()
+	_ = this.sumStmt.Close()
+
+	if this.db != nil {
+		_ = this.db.Close()
+	}
+
+	return nil
+}
+
+// InsertStat 写入数据
+func (this *Task) InsertStat(stat *Stat) error {
+	if this.isStopped {
+		return nil
+	}
+	if stat == nil {
+		return nil
+	}
+
+	this.serverIdMapLocker.Lock()
+	this.serverIdMap[stat.ServerId] = true
+	this.timeMap[stat.Time] = true
+	this.serverIdMapLocker.Unlock()
+
+	keyData, err := json.Marshal(stat.Keys)
+	if err != nil {
+		return err
+	}
+
+	_, err = this.insertStatStmt.Exec(stat.ServerId, stat.Hash, keyData, stat.Value, stat.Time, this.item.Version, stat.Value)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// CleanExpired 清理数据
+func (this *Task) CleanExpired() error {
+	if this.isStopped {
+		return nil
+	}
+
+	// 清除低版本数据
+	if this.cleanVersion < this.item.Version {
+		_, err := this.deleteByVersionStmt.Exec(this.item.Version)
+		if err != nil {
+			return err
+		}
+		this.cleanVersion = this.item.Version
+	}
+
+	// 清除过期的数据
+	_, err := this.deleteByExpiresTimeStmt.Exec(this.item.LocalExpiresTime())
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// Upload 上传数据
+func (this *Task) Upload(pauseDuration time.Duration) error {
+	if this.isStopped {
+		return nil
+	}
+
+	this.serverIdMapLocker.Lock()
+
+	// 服务IDs
+	var serverIds []int64
+	for serverId := range this.serverIdMap {
+		serverIds = append(serverIds, serverId)
+	}
+	this.serverIdMap = map[int64]bool{} // 清空数据
+
+	// 时间
+	var times = []string{}
+	for t := range this.timeMap {
+		times = append(times, t)
+	}
+	this.timeMap = map[string]bool{} // 清空数据
+
+	this.serverIdMapLocker.Unlock()
+
+	rpcClient, err := rpc.SharedRPC()
+	if err != nil {
+		return err
+	}
+
+	for _, serverId := range serverIds {
+		for _, currentTime := range times {
+			idStrings, err := func(serverId int64, currentTime string) (ids []string, err error) {
+				rows, err := this.selectTopStmt.Query(serverId, this.item.Version, currentTime)
+				if err != nil {
+					return nil, err
+				}
+				var isClosed bool
+				defer func() {
+					if isClosed {
+						return
+					}
+					_ = rows.Close()
+				}()
+
+				var pbStats []*pb.UploadingMetricStat
+				for rows.Next() {
+					var pbStat = &pb.UploadingMetricStat{}
+					// "id", "hash", "keys", "value", "isUploaded"
+					var isUploaded int
+					var keysData []byte
+					err = rows.Scan(&pbStat.Id, &pbStat.Hash, &keysData, &pbStat.Value, &isUploaded)
+					if err != nil {
+						return nil, err
+					}
+
+					// TODO 先不判断是否已经上传，需要改造API进行配合
+					/**if isUploaded == 1 {
+						continue
+					}**/
+					if len(keysData) > 0 {
+						err = json.Unmarshal(keysData, &pbStat.Keys)
+						if err != nil {
+							return nil, err
+						}
+					}
+					pbStats = append(pbStats, pbStat)
+					ids = append(ids, strconv.FormatInt(pbStat.Id, 10))
+				}
+
+				// 提前关闭
+				_ = rows.Close()
+				isClosed = true
+
+				// 上传
+				if len(pbStats) > 0 {
+					// 计算总和
+					count, total, err := this.sum(serverId, currentTime)
+					if err != nil {
+						return nil, err
+					}
+
+					_, err = rpcClient.MetricStatRPC().UploadMetricStats(rpcClient.Context(), &pb.UploadMetricStatsRequest{
+						MetricStats: pbStats,
+						Time:        currentTime,
+						ServerId:    serverId,
+						ItemId:      this.item.Id,
+						Version:     this.item.Version,
+						Count:       count,
+						Total:       float32(total),
+					})
+					if err != nil {
+						return nil, err
+					}
+				}
+
+				return
+			}(serverId, currentTime)
+			if err != nil {
+				return err
+			}
+
+			if len(idStrings) > 0 {
+				// 设置为已上传
+				_, err = this.db.Exec(`UPDATE "` + this.statTableName + `" SET isUploaded=1 WHERE id IN (` + strings.Join(idStrings, ",") + `)`)
+				if err != nil {
+					return err
+				}
+			}
+		}
+
+		// 休息一下，防止短时间内上传数据过多
+		if pauseDuration > 0 {
+			time.Sleep(pauseDuration)
+		}
+	}
+
+	return nil
+}
+
+// 加载服务ID
+func (this *Task) loadServerIdMap() error {
+	{
+		rows, err := this.db.Query(`SELECT DISTINCT "serverId" FROM `+this.statTableName+" WHERE version=?", this.item.Version)
+		if err != nil {
+			return err
+		}
+		defer func() {
+			_ = rows.Close()
+		}()
+
+		var serverId int64
+		for rows.Next() {
+			err = rows.Scan(&serverId)
+			if err != nil {
+				return err
+			}
+			this.serverIdMapLocker.Lock()
+			this.serverIdMap[serverId] = true
+			this.serverIdMapLocker.Unlock()
+		}
+	}
+
+	{
+		rows, err := this.db.Query(`SELECT DISTINCT "time" FROM `+this.statTableName+" WHERE version=?", this.item.Version)
+		if err != nil {
+			return err
+		}
+		defer func() {
+			_ = rows.Close()
+		}()
+
+		var timeString string
+		for rows.Next() {
+			err = rows.Scan(&timeString)
+			if err != nil {
+				return err
+			}
+			this.serverIdMapLocker.Lock()
+			this.timeMap[timeString] = true
+			this.serverIdMapLocker.Unlock()
+		}
+	}
+
+	return nil
+}
+
+// 计算数量和综合
+func (this *Task) sum(serverId int64, time string) (count int64, total float64, err error) {
+	rows, err := this.sumStmt.Query(serverId, this.item.Version, time)
+	if err != nil {
+		return 0, 0, err
+	}
+	defer func() {
+		_ = rows.Close()
+	}()
+	if rows.Next() {
+		err = rows.Scan(&count, &total)
+		if err != nil {
+			return 0, 0, err
+		}
+	}
+	return
+}

internal/metrics/task_test.go

@@ -0,0 +1,210 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package metrics_test
+
+import (
+	"fmt"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/TeaOSLab/EdgeNode/internal/metrics"
+	_ "github.com/iwind/TeaGo/bootstrap"
+	"github.com/iwind/TeaGo/rands"
+	"testing"
+	"time"
+)
+
+type testObj struct {
+	ip string
+}
+
+func (this *testObj) MetricKey(key string) string {
+	return this.ip
+}
+
+func (this *testObj) MetricValue(value string) (int64, bool) {
+	return 1, true
+}
+
+func (this *testObj) MetricServerId() int64 {
+	return int64(rands.Int(1, 100))
+}
+
+func (this *testObj) MetricCategory() string {
+	return "http"
+}
+
+func TestTask_Init(t *testing.T) {
+	var task = metrics.NewTask(&serverconfigs.MetricItemConfig{
+		Id:         1,
+		IsOn:       false,
+		Category:   "",
+		Period:     0,
+		PeriodUnit: "",
+		Keys:       nil,
+		Value:      "",
+	})
+	err := task.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		_ = task.Stop()
+	}()
+	t.Log("ok")
+}
+
+func TestTask_Add(t *testing.T) {
+	var task = metrics.NewTask(&serverconfigs.MetricItemConfig{
+		Id:         1,
+		IsOn:       false,
+		Category:   "",
+		Period:     1,
+		PeriodUnit: serverconfigs.MetricItemPeriodUnitDay,
+		Keys:       []string{"${remoteAddr}"},
+		Value:      "${countRequest}",
+	})
+	err := task.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = task.Start()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		_ = task.Stop()
+	}()
+
+	task.Add(&testObj{ip: "127.0.0.2"})
+	time.Sleep(1 * time.Second) // waiting for inserting
+}
+
+func TestTask_Add_Many(t *testing.T) {
+	var task = metrics.NewTask(&serverconfigs.MetricItemConfig{
+		Id:         1,
+		IsOn:       false,
+		Category:   "",
+		Period:     1,
+		PeriodUnit: serverconfigs.MetricItemPeriodUnitDay,
+		Keys:       []string{"${remoteAddr}"},
+		Value:      "${countRequest}",
+		Version:    1,
+	})
+	err := task.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = task.Start()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		_ = task.Stop()
+	}()
+
+	for i := 0; i < 4_000_000; i++ {
+		task.Add(&testObj{
+			ip: fmt.Sprintf("%d.%d.%d.%d", rands.Int(0, 255), rands.Int(0, 255), rands.Int(0, 255), rands.Int(0, 255)),
+		})
+		if i%10000 == 0 {
+			time.Sleep(1 * time.Second)
+		}
+	}
+}
+
+func TestTask_InsertStat(t *testing.T) {
+	var item = &serverconfigs.MetricItemConfig{
+		Id:         1,
+		IsOn:       false,
+		Category:   "",
+		Period:     1,
+		PeriodUnit: serverconfigs.MetricItemPeriodUnitDay,
+		Keys:       []string{"${remoteAddr}"},
+		Value:      "${countRequest}",
+		Version:    1,
+	}
+	var task = metrics.NewTask(item)
+	err := task.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = task.Start()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		_ = task.Stop()
+	}()
+
+	err = task.InsertStat(&metrics.Stat{
+		ServerId: 1,
+		Keys:     []string{"127.0.0.1"},
+		Hash:     "",
+		Value:    1,
+		Time:     item.CurrentTime(),
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+func TestTask_CleanExpired(t *testing.T) {
+	var task = metrics.NewTask(&serverconfigs.MetricItemConfig{
+		Id:         1,
+		IsOn:       false,
+		Category:   "",
+		Period:     1,
+		PeriodUnit: serverconfigs.MetricItemPeriodUnitDay,
+		Keys:       []string{"${remoteAddr}"},
+		Value:      "${countRequest}",
+		Version:    1,
+	})
+	err := task.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = task.Start()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		_ = task.Stop()
+	}()
+
+	err = task.CleanExpired()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}
+
+func TestTask_Upload(t *testing.T) {
+	var task = metrics.NewTask(&serverconfigs.MetricItemConfig{
+		Id:         1,
+		IsOn:       false,
+		Category:   "",
+		Period:     1,
+		PeriodUnit: serverconfigs.MetricItemPeriodUnitDay,
+		Keys:       []string{"${remoteAddr}"},
+		Value:      "${countRequest}",
+		Version:    1,
+	})
+	err := task.Init()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = task.Start()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		_ = task.Stop()
+	}()
+
+	err = task.Upload(0)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("ok")
+}

internal/monitor/value_queue.go

@@ -72,7 +72,8 @@ func (this *ValueQueue) Loop() error {
 			CreatedAt: value.CreatedAt,
 		})
 		if err != nil {
-			return err
+			remotelogs.Error("MONITOR", err.Error())
+			continue
 		}
 	}
 	return nil

internal/nodes/api_stream.go

@@ -1,6 +1,8 @@
 package nodes
 
 import (
+	"context"
+	"crypto/tls"
 	"encoding/json"
 	"fmt"
 	"github.com/TeaOSLab/EdgeCommon/pkg/messageconfigs"
@@ -13,7 +15,9 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/iwind/TeaGo/logs"
 	"io"
+	"net"
 	"net/http"
 	"os/exec"
 	"strconv"
@@ -55,10 +59,16 @@ func (this *APIStream) loop() error {
 		return errors.Wrap(err)
 	}
 	isQuiting := false
+	ctx, cancelFunc := context.WithCancel(rpcClient.Context())
+	nodeStream, err := rpcClient.NodeRPC().NodeStream(ctx)
 	events.On(events.EventQuit, func() {
 		isQuiting = true
+
+		remotelogs.Println("API_STREAM", "quiting")
+		if nodeStream != nil {
+			cancelFunc()
+		}
 	})
-	nodeStream, err := rpcClient.NodeRPC().NodeStream(rpcClient.Context())
 	if err != nil {
 		if isQuiting {
 			return nil
@@ -69,12 +79,14 @@ func (this *APIStream) loop() error {
 
 	for {
 		if isQuiting {
+			logs.Println("API_STREAM", "quit")
 			break
 		}
 
 		message, err := nodeStream.Recv()
 		if err != nil {
 			if isQuiting {
+				remotelogs.Println("API_STREAM", "quit")
 				return nil
 			}
 			return errors.Wrap(err)
@@ -357,7 +369,28 @@ func (this *APIStream) handlePreheatCache(message *pb.NodeStreamMessage) error {
 
 	wg := sync.WaitGroup{}
 	wg.Add(len(msg.Keys))
-	client := http.Client{} // TODO 可以设置请求超时事件
+	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 {
@@ -371,7 +404,9 @@ func (this *APIStream) handlePreheatCache(message *pb.NodeStreamMessage) 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)

internal/nodes/http_access_log_queue.go

@@ -9,14 +9,14 @@ import (
 
 var sharedHTTPAccessLogQueue = NewHTTPAccessLogQueue()
 
-// HTTP访问日志队列
+// HTTPAccessLogQueue HTTP访问日志队列
 type HTTPAccessLogQueue struct {
 	queue chan *pb.HTTPAccessLog
 }
 
-// 获取新对象
+// NewHTTPAccessLogQueue 获取新对象
 func NewHTTPAccessLogQueue() *HTTPAccessLogQueue {
-	// 队列中最大的值，超出此数量的访问日志会被抛弃
+	// 队列中最大的值，超出此数量的访问日志会被丢弃
 	// TODO 需要可以在界面中设置
 	maxSize := 10000
 	queue := &HTTPAccessLogQueue{
@@ -27,7 +27,7 @@ func NewHTTPAccessLogQueue() *HTTPAccessLogQueue {
 	return queue
 }
 
-// 开始处理访问日志
+// Start 开始处理访问日志
 func (this *HTTPAccessLogQueue) Start() {
 	ticker := time.NewTicker(1 * time.Second)
 	for range ticker.C {
@@ -38,7 +38,7 @@ func (this *HTTPAccessLogQueue) Start() {
 	}
 }
 
-// 加入新访问日志
+// Push 加入新访问日志
 func (this *HTTPAccessLogQueue) Push(accessLog *pb.HTTPAccessLog) {
 	select {
 	case this.queue <- accessLog:
@@ -77,7 +77,7 @@ Loop:
 		return err
 	}
 
-	_, err = client.HTTPAccessLogRPC().CreateHTTPAccessLogs(client.Context(), &pb.CreateHTTPAccessLogsRequest{AccessLogs: accessLogs})
+	_, err = client.HTTPAccessLogRPC().CreateHTTPAccessLogs(client.Context(), &pb.CreateHTTPAccessLogsRequest{HttpAccessLogs: accessLogs})
 	if err != nil {
 		return err
 	}

internal/nodes/http_request.go

@@ -1,14 +1,17 @@
 package nodes
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"github.com/TeaOSLab/EdgeCommon/pkg/configutils"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+	"github.com/TeaOSLab/EdgeNode/internal/metrics"
 	"github.com/TeaOSLab/EdgeNode/internal/stats"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/iwind/TeaGo/types"
+	"io"
 	"net"
 	"net/http"
 	"net/url"
@@ -28,6 +31,9 @@ var bytePool1k = utils.NewBytePool(20480, 1024)
 var bytePool32k = utils.NewBytePool(20480, 32*1024)
 var bytePool128k = utils.NewBytePool(20480, 128*1024)
 
+// errors
+var errWritingToClient = errors.New("writing to client error")
+
 // HTTPRequest HTTP请求
 type HTTPRequest struct {
 	// 外部参数
@@ -41,6 +47,7 @@ type HTTPRequest struct {
 	IsHTTPS    bool
 
 	// 内部参数
+	isSubRequest         bool
 	writer               *HTTPWriter
 	web                  *serverconfigs.HTTPWebConfig      // Web配置，重要提示：由于引用了别的共享的配置，所以操作中只能读取不要修改
 	reverseProxyRef      *serverconfigs.ReverseProxyRef    // 反向代理引用
@@ -59,12 +66,17 @@ type HTTPRequest struct {
 	rewriteIsExternalURL bool                              // 重写目标是否为外部URL
 	cacheRef             *serverconfigs.HTTPCacheRef       // 缓存设置
 	cacheKey             string                            // 缓存使用的Key
+	isCached             bool                              // 是否已经被缓存
+	isAttack             bool                              // 是否是攻击请求
+	bodyData             []byte                            // 读取的Body内容
 
 	// WAF相关
 	firewallPolicyId    int64
 	firewallRuleGroupId int64
 	firewallRuleSetId   int64
 	firewallRuleId      int64
+	firewallActions     []string
+	tags                []string
 
 	logAttrs map[string]string
 
@@ -109,7 +121,7 @@ func (this *HTTPRequest) Do() {
 	// Web配置
 	err := this.configureWeb(this.Server.Web, true, 0)
 	if err != nil {
-		this.write500(err)
+		this.write50x(err, http.StatusInternalServerError)
 		this.doEnd()
 		return
 	}
@@ -123,13 +135,19 @@ func (this *HTTPRequest) Do() {
 	}
 
 	// 访问控制
-	// TODO 需要实现
+	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 {
-		this.doRedirectToHTTPS(this.web.RedirectToHttps)
-		this.doEnd()
-		return
+		if this.doRedirectToHTTPS(this.web.RedirectToHttps) {
+			this.doEnd()
+			return
+		}
 	}
 
 	// Gzip
@@ -149,6 +167,16 @@ func (this *HTTPRequest) Do() {
 
 // 开始调用
 func (this *HTTPRequest) doBegin() {
+	// 特殊URL处理
+	if len(this.rawURI) > 1 && this.rawURI[1] == '.' {
+		// ACME
+		// TODO 需要配置是否启用ACME检测
+		if strings.HasPrefix(this.rawURI, "/.well-known/acme-challenge/") {
+			this.doACME()
+			return
+		}
+	}
+
 	// 统计
 	if this.web.StatRef != nil && this.web.StatRef.IsOn {
 		this.doStat()
@@ -161,16 +189,6 @@ func (this *HTTPRequest) doBegin() {
 		}
 	}
 
-	// 特殊URL处理
-	if len(this.rawURI) > 1 && this.rawURI[1] == '.' {
-		// ACME
-		// TODO 需要配置是否启用ACME检测
-		if strings.HasPrefix(this.rawURI, "/.well-known/acme-challenge/") {
-			this.doACME()
-			return
-		}
-	}
-
 	// 临时关闭页面
 	if this.web.Shutdown != nil && this.web.Shutdown.IsOn {
 		this.doShutdown()
@@ -229,7 +247,20 @@ func (this *HTTPRequest) doEnd() {
 	// 流量统计
 	// TODO 增加是否开启开关
 	if this.Server != nil {
-		stats.SharedTrafficStatManager.Add(this.Server.Id, this.writer.sentBodyBytes)
+		if this.isCached {
+			stats.SharedTrafficStatManager.Add(this.Server.Id, this.Host, this.writer.sentBodyBytes, this.writer.sentBodyBytes, 1, 1, 0, 0)
+		} else {
+			if this.isAttack {
+				stats.SharedTrafficStatManager.Add(this.Server.Id, this.Host, this.writer.sentBodyBytes, 0, 1, 0, 1, this.writer.sentBodyBytes)
+			} else {
+				stats.SharedTrafficStatManager.Add(this.Server.Id, this.Host, this.writer.sentBodyBytes, 0, 1, 0, 0, 0)
+			}
+		}
+	}
+
+	// 指标
+	if metrics.SharedManager.HasHTTPMetrics() {
+		this.doMetricsResponse()
 	}
 }
 
@@ -342,6 +373,11 @@ func (this *HTTPRequest) configureWeb(web *serverconfigs.HTTPWebConfig, isTop bo
 		this.web.FastcgiList = web.FastcgiList
 	}
 
+	// auth
+	if web.Auth != nil && (web.Auth.IsPrior || isTop) {
+		this.web.Auth = web.Auth
+	}
+
 	// 重写规则
 	if len(web.RewriteRefs) > 0 {
 		for index, ref := range web.RewriteRefs {
@@ -479,9 +515,15 @@ func (this *HTTPRequest) Format(source string) string {
 			return this.requestRemoteUser()
 		case "requestURI", "requestUri":
 			return this.rawURI
+		case "requestURL":
+			var scheme = "http"
+			if this.IsHTTPS {
+				scheme = "https"
+			}
+			return scheme + "://" + this.Host + this.rawURI
 		case "requestPath":
 			return this.requestPath()
-		case "requestPathExtension": // TODO 需要添加到文档中
+		case "requestPathExtension":
 			return filepath.Ext(this.requestPath())
 		case "requestLength":
 			return strconv.FormatInt(this.requestLength(), 10)
@@ -528,6 +570,12 @@ func (this *HTTPRequest) Format(source string) string {
 			return this.Host
 		case "referer":
 			return this.RawReq.Referer()
+		case "referer.host":
+			u, err := url.Parse(this.RawReq.Referer())
+			if err == nil {
+				return u.Host
+			}
+			return ""
 		case "userAgent":
 			return this.RawReq.UserAgent()
 		case "contentType":
@@ -576,7 +624,6 @@ func (this *HTTPRequest) Format(source string) string {
 		}
 
 		// response.
-		// TODO 需要在文档中添加说明
 		if prefix == "response" {
 			switch suffix {
 			case "contentType":
@@ -910,6 +957,11 @@ func (this *HTTPRequest) requestServerPort() int {
 	return 0
 }
 
+// 获取完整的URL
+func (this *HTTPRequest) requestFullURL() string {
+	return this.requestScheme() + "://" + this.Host + this.uri
+}
+
 // 设置代理相关头部信息
 // 参考：https://tools.ietf.org/html/rfc7239
 func (this *HTTPRequest) setForwardHeaders(header http.Header) {
@@ -1133,3 +1185,38 @@ func (this *HTTPRequest) bytePool(contentLength int64) *utils.BytePool {
 	}
 	return bytePool128k
 }
+
+// 检查是否可以忽略错误
+func (this *HTTPRequest) canIgnore(err error) bool {
+	if err == nil {
+		return true
+	}
+
+	// 已读到头
+	if err == io.EOF || err == io.ErrUnexpectedEOF {
+		return true
+	}
+
+	// 网络错误
+	_, ok := err.(*net.OpError)
+	if ok {
+		return true
+	}
+
+	// 客户端主动取消
+	if err == errWritingToClient || err == context.Canceled || err == io.ErrShortWrite || strings.Contains(err.Error(), "write: connection timed out") || strings.Contains(err.Error(), "write: broken pipe") {
+		return true
+	}
+
+	// HTTP/2流错误
+	if err.Error() == "http2: stream closed" || err.Error() == "client disconnected" { // errStreamClosed, errClientDisconnected
+		return true
+	}
+
+	// HTTP内部错误
+	if strings.HasPrefix(err.Error(), "http:") || strings.HasPrefix(err.Error(), "http2:") {
+		return true
+	}
+
+	return false
+}

internal/nodes/http_request_acme.go

@@ -12,6 +12,10 @@ func (this *HTTPRequest) doACME() {
 	// TODO 对请求进行校验，防止恶意攻击
 
 	token := filepath.Base(this.RawReq.URL.Path)
+	if token == "acme-challenge" || len(token) <= 32 {
+		this.writer.WriteHeader(http.StatusNotFound)
+		return
+	}
 
 	rpcClient, err := rpc.SharedRPC()
 	if err != nil {

internal/nodes/http_request_auth.go

@@ -0,0 +1,61 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import (
+	"bytes"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"io/ioutil"
+	"net/http"
+)
+
+// 执行认证
+func (this *HTTPRequest) doAuth() (shouldStop bool) {
+	if this.web.Auth == nil || !this.web.Auth.IsOn {
+		return
+	}
+
+	for _, ref := range this.web.Auth.PolicyRefs {
+		if !ref.IsOn || ref.AuthPolicy == nil || !ref.AuthPolicy.IsOn {
+			continue
+		}
+		b, err := ref.AuthPolicy.Filter(this.RawReq, func(subReq *http.Request) (status int, err error) {
+			subReq.TLS = this.RawReq.TLS
+			subReq.RemoteAddr = this.RawReq.RemoteAddr
+			subReq.Host = this.RawReq.Host
+			subReq.Proto = this.RawReq.Proto
+			subReq.ProtoMinor = this.RawReq.ProtoMinor
+			subReq.ProtoMajor = this.RawReq.ProtoMajor
+			subReq.Body = ioutil.NopCloser(bytes.NewReader([]byte{}))
+			subReq.Header.Set("Referer", this.requestFullURL())
+			var writer = NewEmptyResponseWriter(this.writer)
+			this.doSubRequest(writer, subReq)
+			return writer.StatusCode(), nil
+		}, this.Format)
+		if err != nil {
+			this.write50x(err, http.StatusInternalServerError)
+			return
+		}
+		if b {
+			return
+		} else {
+			if ref.AuthPolicy.Type == serverconfigs.HTTPAuthTypeBasicAuth {
+				var method = ref.AuthPolicy.Method().(*serverconfigs.HTTPAuthBasicMethod)
+				var headerValue = "Basic realm=\""
+				if len(method.Realm) > 0 {
+					headerValue += method.Realm
+				} else {
+					headerValue += this.Host
+				}
+				headerValue += "\""
+				if len(method.Charset) > 0 {
+					headerValue += ", charset=\"" + method.Charset + "\""
+				}
+				this.writer.Header()["WWW-Authenticate"] = []string{headerValue}
+			}
+			this.writer.WriteHeader(http.StatusUnauthorized)
+			return true
+		}
+	}
+	return
+}

internal/nodes/http_request_cache.go

@@ -5,16 +5,28 @@ import (
 	"errors"
 	"github.com/TeaOSLab/EdgeNode/internal/caches"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
-	"github.com/iwind/TeaGo/logs"
 	"net/http"
 	"strconv"
+	"strings"
+	"time"
 )
 
 // 读取缓存
 func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
-	if this.web.Cache == nil || !this.web.Cache.IsOn || len(this.web.Cache.CacheRefs) == 0 {
+	cachePolicy := this.Server.HTTPCachePolicy
+	if cachePolicy == nil || !cachePolicy.IsOn {
 		return
 	}
+
+	if this.web.Cache == nil || !this.web.Cache.IsOn || (len(cachePolicy.CacheRefs) == 0 && len(this.web.Cache.CacheRefs) == 0) {
+		return
+	}
+
+	// 判断是否在预热
+	if strings.HasPrefix(this.RawReq.RemoteAddr, "127.") && this.RawReq.Header.Get("X-Cache-Action") == "preheat" {
+		return
+	}
+
 	var addStatusHeader = this.web.Cache.AddStatusHeader
 	if addStatusHeader {
 		defer func() {
@@ -25,12 +37,8 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 		}()
 	}
 
-	cachePolicy := sharedNodeConfig.HTTPCachePolicy
-	if cachePolicy == nil || !cachePolicy.IsOn {
-		return
-	}
-
-	// 检查条件
+	// 检查服务独立的缓存条件
+	refType := ""
 	for _, cacheRef := range this.web.Cache.CacheRefs {
 		if !cacheRef.IsOn ||
 			cacheRef.Conds == nil ||
@@ -38,12 +46,35 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 			continue
 		}
 		if cacheRef.Conds.MatchRequest(this.Format) {
+			if cacheRef.IsReverse {
+				return
+			}
 			this.cacheRef = cacheRef
+			refType = "server"
 			break
 		}
 	}
 	if this.cacheRef == nil {
-		return
+		// 检查策略默认的缓存条件
+		for _, cacheRef := range cachePolicy.CacheRefs {
+			if !cacheRef.IsOn ||
+				cacheRef.Conds == nil ||
+				!cacheRef.Conds.HasRequestConds() {
+				continue
+			}
+			if cacheRef.Conds.MatchRequest(this.Format) {
+				if cacheRef.IsReverse {
+					return
+				}
+				this.cacheRef = cacheRef
+				refType = "policy"
+				break
+			}
+		}
+
+		if this.cacheRef == nil {
+			return
+		}
 	}
 
 	// 相关变量
@@ -89,7 +120,9 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 			return
 		}
 
-		remotelogs.Error("REQUEST_CACHE", "read from cache failed: "+err.Error())
+		if !this.canIgnore(err) {
+			remotelogs.Warn("HTTP_REQUEST_CACHE", "read from cache failed: "+err.Error())
+		}
 		return
 	}
 	defer func() {
@@ -121,13 +154,58 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 		return true, nil
 	})
 	if err != nil {
-		remotelogs.Error("REQUEST_CACHE", "read from cache failed: "+err.Error())
+		if !this.canIgnore(err) {
+			remotelogs.Warn("HTTP_REQUEST_CACHE", "read from cache failed: "+err.Error())
+		}
 		return
 	}
 
 	if addStatusHeader {
-		this.writer.Header().Set("X-Cache", "HIT")
+		this.writer.Header().Set("X-Cache", "HIT, "+refType+", "+reader.TypeName())
 	}
+
+	// ETag
+	var respHeader = this.writer.Header()
+	var eTag = respHeader.Get("ETag")
+	var lastModifiedAt = reader.LastModified()
+	if len(eTag) == 0 {
+		if lastModifiedAt > 0 {
+			eTag = "\"" + strconv.FormatInt(lastModifiedAt, 10) + "\""
+			respHeader["ETag"] = []string{eTag}
+		}
+	}
+
+	// 支持 Last-Modified
+	var modifiedTime = respHeader.Get("Last-Modified")
+	if len(modifiedTime) == 0 {
+		if lastModifiedAt > 0 {
+			modifiedTime = time.Unix(lastModifiedAt, 0).Format("Mon, 02 Jan 2006 15:04:05 GMT")
+			if len(respHeader.Get("Last-Modified")) == 0 {
+				respHeader.Set("Last-Modified", modifiedTime)
+			}
+		}
+	}
+
+	// 支持 If-None-Match
+	if len(eTag) > 0 && this.requestHeader("If-None-Match") == eTag {
+		// 自定义Header
+		this.processResponseHeaders(http.StatusNotModified)
+		this.writer.WriteHeader(http.StatusNotModified)
+		this.isCached = true
+		this.cacheRef = nil
+		return true
+	}
+
+	// 支持 If-Modified-Since
+	if len(modifiedTime) > 0 && this.requestHeader("If-Modified-Since") == modifiedTime {
+		// 自定义Header
+		this.processResponseHeaders(http.StatusNotModified)
+		this.writer.WriteHeader(http.StatusNotModified)
+		this.isCached = true
+		this.cacheRef = nil
+		return true
+	}
+
 	this.processResponseHeaders(reader.Status())
 
 	// 输出Body
@@ -201,7 +279,7 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 			err = reader.ReadBodyRange(buf, rangeSet[0][0], rangeSet[0][1], func(n int) (goNext bool, err error) {
 				_, err = this.writer.Write(buf[:n])
 				if err != nil {
-					return false, err
+					return false, errWritingToClient
 				}
 				return true, nil
 			})
@@ -211,7 +289,9 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 					this.writer.WriteHeader(http.StatusRequestedRangeNotSatisfiable)
 					return true
 				}
-				remotelogs.Error("REQUEST_CACHE", "read from cache failed: "+err.Error())
+				if !this.canIgnore(err) {
+					remotelogs.Warn("HTTP_REQUEST_CACHE", "read from cache failed: "+err.Error())
+				}
 				return
 			}
 		} else if len(rangeSet) > 1 {
@@ -229,37 +309,42 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 					_, err = this.writer.WriteString("\r\n--" + boundary + "\r\n")
 				}
 				if err != nil {
-					logs.Error(err)
+					// 不提示写入客户端错误
 					return true
 				}
 
 				_, err = this.writer.WriteString("Content-Range: " + "bytes " + strconv.FormatInt(set[0], 10) + "-" + strconv.FormatInt(set[1], 10) + "/" + strconv.FormatInt(reader.BodySize(), 10) + "\r\n")
 				if err != nil {
-					logs.Error(err)
+					// 不提示写入客户端错误
 					return true
 				}
 
 				if len(contentType) > 0 {
 					_, err = this.writer.WriteString("Content-Type: " + contentType + "\r\n\r\n")
 					if err != nil {
-						logs.Error(err)
+						// 不提示写入客户端错误
 						return true
 					}
 				}
 
 				err := reader.ReadBodyRange(buf, set[0], set[1], func(n int) (goNext bool, err error) {
 					_, err = this.writer.Write(buf[:n])
-					return true, err
+					if err != nil {
+						return false, errWritingToClient
+					}
+					return true, nil
 				})
 				if err != nil {
-					remotelogs.Error("REQUEST_CACHE", "read from cache failed: "+err.Error())
+					if !this.canIgnore(err) {
+						remotelogs.Warn("HTTP_REQUEST_CACHE", "read from cache failed: "+err.Error())
+					}
 					return true
 				}
 			}
 
 			_, err = this.writer.WriteString("\r\n--" + boundary + "--\r\n")
 			if err != nil {
-				logs.Error(err)
+				// 不提示写入客户端错误
 				return true
 			}
 		} else { // 没有Range
@@ -268,17 +353,20 @@ func (this *HTTPRequest) doCacheRead() (shouldStop bool) {
 			err = reader.ReadBody(buf, func(n int) (goNext bool, err error) {
 				_, err = this.writer.Write(buf[:n])
 				if err != nil {
-					return false, err
+					return false, errWritingToClient
 				}
 				return true, nil
 			})
 			if err != nil {
-				remotelogs.Error("REQUEST_CACHE", "read from cache failed: "+err.Error())
+				if !this.canIgnore(err) {
+					remotelogs.Warn("HTTP_REQUEST_CACHE", "read from cache failed: "+err.Error())
+				}
 				return
 			}
 		}
 	}
 
-	this.cacheRef = nil // 终止读取不再往下传递
+	this.isCached = true
+	this.cacheRef = nil
 	return true
 }

internal/nodes/http_request_error.go

@@ -1,6 +1,7 @@
 package nodes
 
 import (
+	"github.com/iwind/TeaGo/types"
 	"net/http"
 )
 
@@ -17,30 +18,15 @@ func (this *HTTPRequest) write404() {
 	_, _ = this.writer.Write([]byte(msg))
 }
 
-func (this *HTTPRequest) write500(err error) {
+func (this *HTTPRequest) write50x(err error, statusCode int) {
 	if err != nil {
 		this.addError(err)
 	}
 
-	statusCode := http.StatusInternalServerError
 	if this.doPage(statusCode) {
 		return
 	}
 	this.processResponseHeaders(statusCode)
 	this.writer.WriteHeader(statusCode)
-	_, _ = this.writer.Write([]byte(http.StatusText(statusCode)))
-}
-
-func (this *HTTPRequest) write502(err error) {
-	if err != nil {
-		this.addError(err)
-	}
-
-	statusCode := http.StatusBadGateway
-	if this.doPage(statusCode) {
-		return
-	}
-	this.processResponseHeaders(statusCode)
-	this.writer.WriteHeader(statusCode)
-	_, _ = this.writer.Write([]byte("502 Bad Gateway"))
+	_, _ = this.writer.Write([]byte(types.String(statusCode) + " " + http.StatusText(statusCode)))
 }

internal/nodes/http_request_fastcgi.go

@@ -12,9 +12,10 @@ import (
 	"github.com/iwind/TeaGo/maps"
 	"github.com/iwind/TeaGo/rands"
 	"github.com/iwind/TeaGo/types"
-	"github.com/iwind/gofcgi/pkg"
+	"github.com/iwind/gofcgi/pkg/fcgi"
 	"io"
 	"net"
+	"net/http"
 	"net/url"
 	"path/filepath"
 	"strings"
@@ -78,9 +79,9 @@ func (this *HTTPRequest) doFastcgi() (shouldStop bool) {
 		poolSize = 32
 	}
 
-	client, err := pkg.SharedPool(fastcgi.Network(), fastcgi.RealAddress(), uint(poolSize)).Client()
+	client, err := fcgi.SharedPool(fastcgi.Network(), fastcgi.RealAddress(), uint(poolSize)).Client()
 	if err != nil {
-		this.write500(err)
+		this.write50x(err, http.StatusInternalServerError)
 		return
 	}
 
@@ -151,20 +152,20 @@ func (this *HTTPRequest) doFastcgi() (shouldStop bool) {
 		params["HTTP_HOST"] = this.Host
 	}
 
-	fcgiReq := pkg.NewRequest()
+	fcgiReq := fcgi.NewRequest()
 	fcgiReq.SetTimeout(fastcgi.ReadTimeoutDuration())
 	fcgiReq.SetParams(params)
 	fcgiReq.SetBody(this.RawReq.Body, uint32(this.requestLength()))
 
 	resp, stderr, err := client.Call(fcgiReq)
 	if err != nil {
-		this.write500(err)
+		this.write50x(err, http.StatusInternalServerError)
 		return
 	}
 
 	if len(stderr) > 0 {
 		err := errors.New("Fastcgi Error: " + strings.TrimSpace(string(stderr)) + " script: " + maps.NewMap(params).GetString("SCRIPT_FILENAME"))
-		this.write500(err)
+		this.write50x(err, http.StatusInternalServerError)
 		return
 	}
 
@@ -189,7 +190,7 @@ func (this *HTTPRequest) doFastcgi() (shouldStop bool) {
 	this.processResponseHeaders(resp.StatusCode)
 
 	// 准备
-	this.writer.Prepare(resp.ContentLength)
+	this.writer.Prepare(resp.ContentLength, resp.StatusCode)
 
 	// 设置响应代码
 	this.writer.WriteHeader(resp.StatusCode)
@@ -200,14 +201,20 @@ func (this *HTTPRequest) doFastcgi() (shouldStop bool) {
 	_, err = io.CopyBuffer(this.writer, resp.Body, buf)
 	pool.Put(buf)
 
-	err1 := resp.Body.Close()
-	if err1 != nil {
-		remotelogs.Error("REQUEST_REVERSE_PROXY", err1.Error())
+	closeErr := resp.Body.Close()
+	if closeErr != nil {
+		remotelogs.Warn("HTTP_REQUEST_FASTCGI", closeErr.Error())
 	}
 
 	if err != nil && err != io.EOF {
-		remotelogs.Error("REQUEST_REVERSE_PROXY", err.Error())
+		remotelogs.Warn("HTTP_REQUEST_FASTCGI", err.Error())
 		this.addError(err)
 	}
+
+	// 是否成功结束
+	if err == nil && closeErr == nil {
+		this.writer.SetOk()
+	}
+
 	return
 }

internal/nodes/http_request_host_redirect.go

@@ -2,6 +2,7 @@ package nodes
 
 import (
 	"net/http"
+	"strconv"
 	"strings"
 )
 
@@ -12,7 +13,10 @@ func (this *HTTPRequest) doHostRedirect() (blocked bool) {
 		if !u.IsOn {
 			continue
 		}
-		if u.MatchPrefix {
+		if !u.MatchRequest(this.Format) {
+			continue
+		}
+		if u.MatchPrefix { // 匹配前缀
 			if strings.HasPrefix(fullURL, u.BeforeURL) {
 				afterURL := u.AfterURL
 				if u.KeepRequestURI {
@@ -25,7 +29,39 @@ func (this *HTTPRequest) doHostRedirect() (blocked bool) {
 				}
 				return true
 			}
-		} else {
+		} else if u.MatchRegexp { // 正则匹配
+			reg := u.BeforeURLRegexp()
+			if reg == nil {
+				continue
+			}
+			matches := reg.FindStringSubmatch(fullURL)
+			if len(matches) == 0 {
+				continue
+			}
+			afterURL := u.AfterURL
+			for i, match := range matches {
+				afterURL = strings.ReplaceAll(afterURL, "${"+strconv.Itoa(i)+"}", match)
+			}
+
+			subNames := reg.SubexpNames()
+			if len(subNames) > 0 {
+				for _, subName := range subNames {
+					if len(subName) > 0 {
+						index := reg.SubexpIndex(subName)
+						if index > -1 {
+							afterURL = strings.ReplaceAll(afterURL, "${"+subName+"}", matches[index])
+						}
+					}
+				}
+			}
+
+			if u.Status <= 0 {
+				http.Redirect(this.RawWriter, this.RawReq, afterURL, http.StatusTemporaryRedirect)
+			} else {
+				http.Redirect(this.RawWriter, this.RawReq, afterURL, u.Status)
+			}
+			return true
+		} else { // 精准匹配
 			if fullURL == u.RealBeforeURL() {
 				if u.Status <= 0 {
 					http.Redirect(this.RawWriter, this.RawReq, u.AfterURL, http.StatusTemporaryRedirect)

internal/nodes/http_request_log.go

@@ -128,6 +128,8 @@ func (this *HTTPRequest) log() {
 		FirewallRuleGroupId: this.firewallRuleGroupId,
 		FirewallRuleSetId:   this.firewallRuleSetId,
 		FirewallRuleId:      this.firewallRuleId,
+		FirewallActions:     this.firewallActions,
+		Tags:                this.tags,
 
 		Attrs: this.logAttrs,
 	}

internal/nodes/http_request_metrics.go

@@ -0,0 +1,58 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/TeaOSLab/EdgeNode/internal/metrics"
+)
+
+// 指标统计 - 响应
+// 只需要在结束时调用指标进行统计
+func (this *HTTPRequest) doMetricsResponse() {
+	metrics.SharedManager.Add(this)
+}
+
+func (this *HTTPRequest) MetricKey(key string) string {
+	return this.Format(key)
+}
+
+func (this *HTTPRequest) MetricValue(value string) (result int64, ok bool) {
+	// TODO 需要忽略健康检查的请求，但是同时也要防止攻击者模拟健康检查
+	switch value {
+	case "${countRequest}":
+		return 1, true
+	case "${countTrafficOut}":
+		// 这里不包括Header长度
+		return this.writer.SentBodyBytes(), true
+	case "${countTrafficIn}":
+		var hl int64 = 0 // header length
+		for k, values := range this.RawReq.Header {
+			for _, v := range values {
+				hl += int64(len(k) + len(v) + 2 /** k: v  **/)
+			}
+		}
+		return this.RawReq.ContentLength + hl, true
+	case "${countConnection}":
+		metricNewConnMapLocker.Lock()
+		_, ok := metricNewConnMap[this.RawReq.RemoteAddr]
+		if ok {
+			delete(metricNewConnMap, this.RawReq.RemoteAddr)
+		}
+		metricNewConnMapLocker.Unlock()
+		if ok {
+			return 1, true
+		} else {
+			return 0, false
+		}
+	}
+	return 0, false
+}
+
+func (this *HTTPRequest) MetricServerId() int64 {
+	return this.Server.Id
+}
+
+func (this *HTTPRequest) MetricCategory() string {
+	return serverconfigs.MetricItemCategoryHTTP
+}

internal/nodes/http_request_page.go

@@ -1,6 +1,7 @@
 package nodes
 
 import (
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/logs"
 	"io"
@@ -50,7 +51,11 @@ func (this *HTTPRequest) doPage(status int) (shouldStop bool) {
 				_, err = io.CopyBuffer(this.writer, fp, buf)
 				bytePool1k.Put(buf)
 				if err != nil {
-					logs.Error(err)
+					if !this.canIgnore(err) {
+						remotelogs.Warn("HTTP_REQUEST_PAGE", "write to client failed: "+err.Error())
+					}
+				} else {
+					this.writer.SetOk()
 				}
 				err = fp.Close()
 				if err != nil {

internal/nodes/http_request_redirect_https.go

@@ -7,9 +7,14 @@ import (
 	"strings"
 )
 
-func (this *HTTPRequest) doRedirectToHTTPS(redirectToHTTPSConfig *serverconfigs.HTTPRedirectToHTTPSConfig) {
+func (this *HTTPRequest) doRedirectToHTTPS(redirectToHTTPSConfig *serverconfigs.HTTPRedirectToHTTPSConfig) (shouldBreak bool) {
 	host := this.RawReq.Host
 
+	// 检查域名是否匹配
+	if !redirectToHTTPSConfig.MatchDomain(host) {
+		return false
+	}
+
 	if len(redirectToHTTPSConfig.Host) > 0 {
 		if redirectToHTTPSConfig.Port > 0 && redirectToHTTPSConfig.Port != 443 {
 			host = redirectToHTTPSConfig.Host + ":" + strconv.Itoa(redirectToHTTPSConfig.Port)
@@ -19,11 +24,10 @@ func (this *HTTPRequest) doRedirectToHTTPS(redirectToHTTPSConfig *serverconfigs.
 	} else if redirectToHTTPSConfig.Port > 0 {
 		lastIndex := strings.LastIndex(host, ":")
 		if lastIndex > 0 {
-			if redirectToHTTPSConfig.Port != 443 {
-				host = host[:lastIndex] + ":" + strconv.Itoa(redirectToHTTPSConfig.Port)
-			} else {
-				host = host[:lastIndex]
-			}
+			host = host[:lastIndex]
+		}
+		if redirectToHTTPSConfig.Port != 443 {
+			host = host + ":" + strconv.Itoa(redirectToHTTPSConfig.Port)
 		}
 	} else {
 		lastIndex := strings.LastIndex(host, ":")
@@ -39,4 +43,6 @@ func (this *HTTPRequest) doRedirectToHTTPS(redirectToHTTPSConfig *serverconfigs.
 
 	newURL := "https://" + host + this.RawReq.RequestURI
 	http.Redirect(this.writer, this.RawReq, newURL, statusCode)
+
+	return true
 }

internal/nodes/http_request_reverse_proxy.go

@@ -8,6 +8,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"io"
+	"net/http"
 	"net/url"
 	"strconv"
 	"strings"
@@ -35,8 +36,8 @@ func (this *HTTPRequest) doReverseProxy() {
 	origin := this.reverseProxy.NextOrigin(requestCall)
 	if origin == nil {
 		err := errors.New(this.requestPath() + ": no available backends for reverse proxy")
-		remotelogs.Error("REQUEST_REVERSE_PROXY", err.Error())
-		this.write502(err)
+		remotelogs.Error("HTTP_REQUEST_REVERSE_PROXY", err.Error())
+		this.write50x(err, http.StatusBadGateway)
 		return
 	}
 	this.origin = origin // 设置全局变量是为了日志等处理
@@ -55,8 +56,8 @@ func (this *HTTPRequest) doReverseProxy() {
 	// 处理Scheme
 	if origin.Addr == nil {
 		err := errors.New(this.requestPath() + ": origin '" + strconv.FormatInt(origin.Id, 10) + "' does not has a address")
-		remotelogs.Error("REQUEST_REVERSE_PROXY", err.Error())
-		this.write502(err)
+		remotelogs.Error("HTTP_REQUEST_REVERSE_PROXY", err.Error())
+		this.write50x(err, http.StatusBadGateway)
 		return
 	}
 	this.RawReq.URL.Scheme = origin.Addr.Protocol.Primary().Scheme()
@@ -142,8 +143,8 @@ func (this *HTTPRequest) doReverseProxy() {
 	// 获取请求客户端
 	client, err := SharedHTTPClientPool.Client(this.RawReq, origin, originAddr)
 	if err != nil {
-		remotelogs.Error("REQUEST_REVERSE_PROXY", err.Error())
-		this.write502(err)
+		remotelogs.Error("HTTP_REQUEST_REVERSE_PROXY", err.Error())
+		this.write50x(err, http.StatusBadGateway)
 		return
 	}
 
@@ -158,11 +159,24 @@ func (this *HTTPRequest) doReverseProxy() {
 	if err != nil {
 		// 客户端取消请求，则不提示
 		httpErr, ok := err.(*url.Error)
-		if !ok || httpErr.Err != context.Canceled {
-			// TODO 如果超过最大失败次数，则下线
-
-			this.write502(err)
-			remotelogs.Println("REQUEST_REVERSE_PROXY", this.RawReq.URL.String()+"': "+err.Error())
+		if !ok {
+			SharedOriginStateManager.Fail(origin, this.reverseProxy, func() {
+				this.reverseProxy.ResetScheduling()
+			})
+			this.write50x(err, http.StatusBadGateway)
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.RawReq.URL.String()+"': "+err.Error())
+		} else if httpErr.Err != context.Canceled {
+			SharedOriginStateManager.Fail(origin, this.reverseProxy, func() {
+				this.reverseProxy.ResetScheduling()
+			})
+			if httpErr.Timeout() {
+				this.write50x(err, http.StatusGatewayTimeout)
+			} else if httpErr.Temporary() {
+				this.write50x(err, http.StatusServiceUnavailable)
+			} else {
+				this.write50x(err, http.StatusBadGateway)
+			}
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.RawReq.URL.String()+"': "+err.Error())
 		} else {
 			// 是否为客户端方面的错误
 			isClientError := false
@@ -175,7 +189,7 @@ func (this *HTTPRequest) doReverseProxy() {
 			}
 
 			if !isClientError {
-				this.write502(err)
+				this.write50x(err, http.StatusBadGateway)
 			}
 		}
 		if resp != nil && resp.Body != nil {
@@ -183,13 +197,18 @@ func (this *HTTPRequest) doReverseProxy() {
 		}
 		return
 	}
+	if !origin.IsOk {
+		SharedOriginStateManager.Success(origin, func() {
+			this.reverseProxy.ResetScheduling()
+		})
+	}
 
 	// WAF对出站进行检查
 	if this.web.FirewallRef != nil && this.web.FirewallRef.IsOn {
 		if this.doWAFResponse(resp) {
 			err = resp.Body.Close()
 			if err != nil {
-				remotelogs.Error("REQUEST_REVERSE_PROXY", err.Error())
+				remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", err.Error())
 			}
 			return
 		}
@@ -201,7 +220,7 @@ func (this *HTTPRequest) doReverseProxy() {
 	if len(this.web.Pages) > 0 && this.doPage(resp.StatusCode) {
 		err = resp.Body.Close()
 		if err != nil {
-			remotelogs.Error("REQUEST_REVERSE_PROXY", err.Error())
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", err.Error())
 		}
 		return
 	}
@@ -226,7 +245,7 @@ func (this *HTTPRequest) doReverseProxy() {
 	shouldAutoFlush := this.reverseProxy.AutoFlush || this.RawReq.Header.Get("Accept") == "text/event-stream"
 
 	// 准备
-	this.writer.Prepare(resp.ContentLength)
+	this.writer.Prepare(resp.ContentLength, resp.StatusCode)
 
 	// 设置响应代码
 	this.writer.WriteHeader(resp.StatusCode)
@@ -254,13 +273,22 @@ func (this *HTTPRequest) doReverseProxy() {
 	}
 	pool.Put(buf)
 
-	err1 := resp.Body.Close()
-	if err1 != nil {
-		remotelogs.Error("REQUEST_REVERSE_PROXY", err1.Error())
+	closeErr := resp.Body.Close()
+	if closeErr != nil {
+		if !this.canIgnore(err) {
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", closeErr.Error())
+		}
 	}
 
 	if err != nil && err != io.EOF {
-		remotelogs.Error("REQUEST_REVERSE_PROXY", err.Error())
-		this.addError(err)
+		if !this.canIgnore(err) {
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", err.Error())
+			this.addError(err)
+		}
+	}
+
+	// 是否成功结束
+	if err == nil && closeErr == nil {
+		this.writer.SetOk()
 	}
 }

internal/nodes/http_request_root.go

@@ -109,7 +109,7 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 			}
 			return
 		} else {
-			this.write500(err)
+			this.write50x(err, http.StatusInternalServerError)
 			logs.Error(err)
 			return true
 		}
@@ -138,7 +138,7 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 					}
 					return
 				} else {
-					this.write500(err)
+					this.write50x(err, http.StatusInternalServerError)
 					logs.Error(err)
 					return true
 				}
@@ -283,8 +283,7 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 
 	reader, err := os.OpenFile(filePath, os.O_RDONLY, 0444)
 	if err != nil {
-		this.write500(err)
-		logs.Error(err)
+		this.write50x(err, http.StatusInternalServerError)
 		return true
 	}
 
@@ -296,7 +295,7 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 		this.cacheRef = nil // 不支持缓存
 	}
 
-	this.writer.Prepare(fileSize)
+	this.writer.Prepare(fileSize, http.StatusOK)
 
 	pool := this.bytePool(fileSize)
 	buf := pool.Get()
@@ -382,6 +381,9 @@ func (this *HTTPRequest) doRoot() (isBreak bool) {
 		}
 	}
 
+	// 设置成功
+	this.writer.SetOk()
+
 	return true
 }
 

internal/nodes/http_request_shutdown.go

@@ -1,6 +1,7 @@
 package nodes
 
 import (
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/logs"
 	"io"
@@ -65,8 +66,16 @@ func (this *HTTPRequest) doShutdown() {
 	buf := bytePool1k.Get()
 	_, err = io.CopyBuffer(this.writer, fp, buf)
 	bytePool1k.Put(buf)
+	if err != nil {
+		if !this.canIgnore(err) {
+			remotelogs.Warn("HTTP_REQUEST_SHUTDOWN", "write to client failed: "+err.Error())
+		}
+	} else {
+		this.writer.SetOk()
+	}
+
 	err = fp.Close()
 	if err != nil {
-		logs.Error(err)
+		remotelogs.Warn("HTTP_REQUEST_SHUTDOWN", "close file failed: "+err.Error())
 	}
 }

internal/nodes/http_request_stat.go

@@ -7,6 +7,8 @@ func (this *HTTPRequest) doStat() {
 	if this.Server == nil {
 		return
 	}
+
+	// 内置的统计
 	stats.SharedHTTPRequestStatManager.AddRemoteAddr(this.Server.Id, this.requestRemoteAddr())
 	stats.SharedHTTPRequestStatManager.AddUserAgent(this.Server.Id, this.requestHeader("User-Agent"))
 }

internal/nodes/http_request_sub.go

@@ -0,0 +1,22 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import "net/http"
+
+// 执行子请求
+func (this *HTTPRequest) doSubRequest(writer http.ResponseWriter, rawReq *http.Request) {
+	// 包装新请求对象
+	req := &HTTPRequest{
+		RawReq:     rawReq,
+		RawWriter:  writer,
+		Server:     this.Server,
+		Host:       this.Host,
+		ServerName: this.ServerName,
+		ServerAddr: this.ServerAddr,
+		IsHTTP:     this.IsHTTP,
+		IsHTTPS:    this.IsHTTPS,
+	}
+	req.isSubRequest = true
+	req.Do()
+}

internal/nodes/http_request_url.go

@@ -2,6 +2,7 @@ package nodes
 
 import (
 	"errors"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/iwind/TeaGo/logs"
 	"io"
@@ -35,7 +36,7 @@ func (this *HTTPRequest) doURL(method string, url string, host string, statusCod
 	resp, err := client.Do(req)
 	if err != nil {
 		logs.Error(errors.New(req.URL.String() + ": " + err.Error()))
-		this.write500(err)
+		this.write50x(err, http.StatusInternalServerError)
 		return
 	}
 	defer func() {
@@ -50,7 +51,11 @@ func (this *HTTPRequest) doURL(method string, url string, host string, statusCod
 	}
 
 	this.writer.AddHeaders(resp.Header)
-	this.writer.Prepare(resp.ContentLength)
+	if statusCode <= 0 {
+		this.writer.Prepare(resp.ContentLength, resp.StatusCode)
+	} else {
+		this.writer.Prepare(resp.ContentLength, statusCode)
+	}
 
 	// 设置响应代码
 	if statusCode <= 0 {
@@ -64,4 +69,12 @@ func (this *HTTPRequest) doURL(method string, url string, host string, statusCod
 	buf := pool.Get()
 	_, err = io.CopyBuffer(this.writer, resp.Body, buf)
 	pool.Put(buf)
+
+	if err != nil {
+		if !this.canIgnore(err) {
+			remotelogs.Warn("HTTP_REQUEST_URL", "write to client failed: "+err.Error())
+		}
+	} else {
+		this.writer.SetOk()
+	}
 }

internal/nodes/http_request_waf.go

@@ -1,6 +1,7 @@
 package nodes
 
 import (
+	"bytes"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
 	"github.com/TeaOSLab/EdgeNode/internal/iplibrary"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
@@ -8,6 +9,8 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/waf"
 	"github.com/iwind/TeaGo/lists"
 	"github.com/iwind/TeaGo/types"
+	"io"
+	"io/ioutil"
 	"net/http"
 )
 
@@ -25,8 +28,8 @@ func (this *HTTPRequest) doWAFRequest() (blocked bool) {
 	}
 
 	// 公用的防火墙设置
-	if sharedNodeConfig.HTTPFirewallPolicy != nil {
-		blocked, breakChecking := this.checkWAFRequest(sharedNodeConfig.HTTPFirewallPolicy)
+	if this.Server.HTTPFirewallPolicy != nil && this.Server.HTTPFirewallPolicy.IsOn {
+		blocked, breakChecking := this.checkWAFRequest(this.Server.HTTPFirewallPolicy)
 		if blocked {
 			return true
 		}
@@ -47,48 +50,55 @@ func (this *HTTPRequest) checkWAFRequest(firewallPolicy *firewallconfigs.HTTPFir
 	// 检查IP白名单
 	remoteAddrs := this.requestRemoteAddrs()
 	inbound := firewallPolicy.Inbound
-	if inbound.AllowListRef != nil && inbound.AllowListRef.IsOn && inbound.AllowListRef.ListId > 0 {
-		list := iplibrary.SharedIPListManager.FindList(inbound.AllowListRef.ListId)
-		if list != nil {
-			found, _ := list.ContainsIPStrings(remoteAddrs)
-			if found {
-				breakChecking = true
-				return
+	if inbound == nil {
+		return
+	}
+	for _, ref := range inbound.AllAllowListRefs() {
+		if ref.IsOn && ref.ListId > 0 {
+			list := iplibrary.SharedIPListManager.FindList(ref.ListId)
+			if list != nil {
+				found, _ := list.ContainsIPStrings(remoteAddrs)
+				if found {
+					breakChecking = true
+					return
+				}
 			}
 		}
 	}
 
 	// 检查IP黑名单
-	if inbound.DenyListRef != nil && inbound.DenyListRef.IsOn && inbound.DenyListRef.ListId > 0 {
-		list := iplibrary.SharedIPListManager.FindList(inbound.DenyListRef.ListId)
-		if list != nil {
-			found, item := list.ContainsIPStrings(remoteAddrs)
-			if found {
-				// 触发事件
-				if item != nil && len(item.EventLevel) > 0 {
-					actions := iplibrary.SharedActionManager.FindEventActions(item.EventLevel)
-					for _, action := range actions {
-						goNext, err := action.DoHTTP(this.RawReq, this.RawWriter)
-						if err != nil {
-							remotelogs.Error("REQUEST", "do action '"+err.Error()+"' failed: "+err.Error())
-							return true, false
-						}
-						if !goNext {
-							this.disableLog = true
-							return true, false
+	for _, ref := range inbound.AllDenyListRefs() {
+		if ref.IsOn && ref.ListId > 0 {
+			list := iplibrary.SharedIPListManager.FindList(ref.ListId)
+			if list != nil {
+				found, item := list.ContainsIPStrings(remoteAddrs)
+				if found {
+					// 触发事件
+					if item != nil && len(item.EventLevel) > 0 {
+						actions := iplibrary.SharedActionManager.FindEventActions(item.EventLevel)
+						for _, action := range actions {
+							goNext, err := action.DoHTTP(this.RawReq, this.RawWriter)
+							if err != nil {
+								remotelogs.Error("HTTP_REQUEST_WAF", "do action '"+err.Error()+"' failed: "+err.Error())
+								return true, false
+							}
+							if !goNext {
+								this.disableLog = true
+								return true, false
+							}
 						}
 					}
+
+					// TODO 需要记录日志信息
+
+					this.writer.WriteHeader(http.StatusForbidden)
+					this.writer.Close()
+
+					// 停止日志
+					this.disableLog = true
+
+					return true, false
 				}
-
-				// TODO 需要记录日志信息
-
-				this.writer.WriteHeader(http.StatusForbidden)
-				this.writer.Close()
-
-				// 停止日志
-				this.disableLog = true
-
-				return true, false
 			}
 		}
 	}
@@ -101,7 +111,7 @@ func (this *HTTPRequest) checkWAFRequest(firewallPolicy *firewallconfigs.HTTPFir
 				for _, remoteAddr := range remoteAddrs {
 					result, err := iplibrary.SharedLibrary.Lookup(remoteAddr)
 					if err != nil {
-						remotelogs.Error("REQUEST", "iplibrary lookup failed: "+err.Error())
+						remotelogs.Error("HTTP_REQUEST_WAF", "iplibrary lookup failed: "+err.Error())
 					} else if result != nil {
 						// 检查国家级别封禁
 						if len(regionConfig.DenyCountryIds) > 0 && len(result.Country) > 0 {
@@ -145,23 +155,36 @@ func (this *HTTPRequest) checkWAFRequest(firewallPolicy *firewallconfigs.HTTPFir
 	if w == nil {
 		return
 	}
-	goNext, ruleGroup, ruleSet, err := w.MatchRequest(this.RawReq, this.writer)
+
+	w.OnAction(func(action waf.ActionInterface) (goNext bool) {
+		switch action.Code() {
+		case waf.ActionTag:
+			this.tags = action.(*waf.TagAction).Tags
+		}
+		return true
+	})
+
+	goNext, ruleGroup, ruleSet, err := w.MatchRequest(this, this.writer)
 	if err != nil {
-		remotelogs.Error("REQUEST", this.rawURI+": "+err.Error())
+		remotelogs.Error("HTTP_REQUEST_WAF", this.rawURI+": "+err.Error())
 		return
 	}
 
 	if ruleSet != nil {
-		if ruleSet.Action != waf.ActionAllow {
+		if ruleSet.HasSpecialActions() {
 			this.firewallPolicyId = firewallPolicy.Id
 			this.firewallRuleGroupId = types.Int64(ruleGroup.Id)
 			this.firewallRuleSetId = types.Int64(ruleSet.Id)
 
+			if ruleSet.HasAttackActions() {
+				this.isAttack = true
+			}
+
 			// 添加统计
-			stats.SharedHTTPRequestStatManager.AddFirewallRuleGroupId(this.Server.Id, this.firewallRuleGroupId, ruleSet.Action)
+			stats.SharedHTTPRequestStatManager.AddFirewallRuleGroupId(this.Server.Id, this.firewallRuleGroupId, ruleSet.Actions)
 		}
 
-		this.logAttrs["waf.action"] = ruleSet.Action
+		this.firewallActions = ruleSet.ActionCodes()
 	}
 
 	return !goNext, false
@@ -169,7 +192,25 @@ func (this *HTTPRequest) checkWAFRequest(firewallPolicy *firewallconfigs.HTTPFir
 
 // call response waf
 func (this *HTTPRequest) doWAFResponse(resp *http.Response) (blocked bool) {
-	firewallPolicy := sharedNodeConfig.HTTPFirewallPolicy
+	// 当前服务的独立设置
+	if this.web.FirewallPolicy != nil && this.web.FirewallPolicy.IsOn {
+		blocked := this.checkWAFResponse(this.web.FirewallPolicy, resp)
+		if blocked {
+			return true
+		}
+	}
+
+	// 公用的防火墙设置
+	if this.Server.HTTPFirewallPolicy != nil && this.Server.HTTPFirewallPolicy.IsOn {
+		blocked := this.checkWAFResponse(this.Server.HTTPFirewallPolicy, resp)
+		if blocked {
+			return true
+		}
+	}
+	return
+}
+
+func (this *HTTPRequest) checkWAFResponse(firewallPolicy *firewallconfigs.HTTPFirewallPolicy, resp *http.Response) (blocked bool) {
 	if firewallPolicy == nil || !firewallPolicy.IsOn || !firewallPolicy.Outbound.IsOn {
 		return
 	}
@@ -179,24 +220,79 @@ func (this *HTTPRequest) doWAFResponse(resp *http.Response) (blocked bool) {
 		return
 	}
 
-	goNext, ruleGroup, ruleSet, err := w.MatchResponse(this.RawReq, resp, this.writer)
+	w.OnAction(func(action waf.ActionInterface) (goNext bool) {
+		switch action.Code() {
+		case waf.ActionTag:
+			this.tags = action.(*waf.TagAction).Tags
+		}
+		return true
+	})
+
+	goNext, ruleGroup, ruleSet, err := w.MatchResponse(this, resp, this.writer)
 	if err != nil {
-		remotelogs.Error("REQUEST", this.rawURI+": "+err.Error())
+		remotelogs.Error("HTTP_REQUEST_WAF", this.rawURI+": "+err.Error())
 		return
 	}
 
 	if ruleSet != nil {
-		if ruleSet.Action != waf.ActionAllow {
+		if ruleSet.HasSpecialActions() {
 			this.firewallPolicyId = firewallPolicy.Id
 			this.firewallRuleGroupId = types.Int64(ruleGroup.Id)
 			this.firewallRuleSetId = types.Int64(ruleSet.Id)
 
+			if ruleSet.HasAttackActions() {
+				this.isAttack = true
+			}
+
 			// 添加统计
-			stats.SharedHTTPRequestStatManager.AddFirewallRuleGroupId(this.Server.Id, this.firewallRuleGroupId, ruleSet.Action)
+			stats.SharedHTTPRequestStatManager.AddFirewallRuleGroupId(this.Server.Id, this.firewallRuleGroupId, ruleSet.Actions)
 		}
 
-		this.logAttrs["waf.action"] = ruleSet.Action
+		this.firewallActions = ruleSet.ActionCodes()
 	}
 
 	return !goNext
 }
+
+// WAFRaw 原始请求
+func (this *HTTPRequest) WAFRaw() *http.Request {
+	return this.RawReq
+}
+
+// WAFRemoteIP 客户端IP
+func (this *HTTPRequest) WAFRemoteIP() string {
+	return this.requestRemoteAddr()
+}
+
+// WAFGetCacheBody 获取缓存中的Body
+func (this *HTTPRequest) WAFGetCacheBody() []byte {
+	return this.bodyData
+}
+
+// WAFSetCacheBody 设置Body
+func (this *HTTPRequest) WAFSetCacheBody(body []byte) {
+	this.bodyData = body
+}
+
+// WAFReadBody 读取Body
+func (this *HTTPRequest) WAFReadBody(max int64) (data []byte, err error) {
+	if this.RawReq.ContentLength > 0 {
+		data, err = ioutil.ReadAll(io.LimitReader(this.RawReq.Body, max))
+	}
+	return
+}
+
+// WAFRestoreBody 恢复Body
+func (this *HTTPRequest) WAFRestoreBody(data []byte) {
+	if len(data) > 0 {
+		rawReader := bytes.NewBuffer(data)
+		buf := make([]byte, 1024)
+		_, _ = io.CopyBuffer(rawReader, this.RawReq.Body, buf)
+		this.RawReq.Body = ioutil.NopCloser(rawReader)
+	}
+}
+
+// WAFServerId 服务ID
+func (this *HTTPRequest) WAFServerId() int64 {
+	return this.Server.Id
+}

internal/nodes/http_request_websocket.go

@@ -2,7 +2,6 @@ package nodes
 
 import (
 	"errors"
-	"github.com/iwind/TeaGo/logs"
 	"io"
 	"net/http"
 	"net/url"
@@ -43,8 +42,7 @@ func (this *HTTPRequest) doWebsocket() {
 	// TODO 增加N次错误重试，重试的时候需要尝试不同的源站
 	originConn, err := OriginConnect(this.origin, this.RawReq.RemoteAddr)
 	if err != nil {
-		logs.Error(err)
-		this.write500(err)
+		this.write50x(err, http.StatusBadGateway)
 		return
 	}
 	defer func() {
@@ -53,15 +51,13 @@ func (this *HTTPRequest) doWebsocket() {
 
 	err = this.RawReq.Write(originConn)
 	if err != nil {
-		logs.Error(err)
-		this.write500(err)
+		this.write50x(err, http.StatusBadGateway)
 		return
 	}
 
 	clientConn, _, err := this.writer.Hijack()
 	if err != nil {
-		logs.Error(err)
-		this.write500(err)
+		this.write50x(err, http.StatusInternalServerError)
 		return
 	}
 	defer func() {

internal/nodes/http_writer.go

@@ -9,12 +9,13 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/iwind/TeaGo/lists"
+	"github.com/iwind/TeaGo/types"
 	"net"
 	"net/http"
 	"strings"
 )
 
-// 响应Writer
+// HTTPWriter 响应Writer
 type HTTPWriter struct {
 	req    *HTTPRequest
 	writer http.ResponseWriter
@@ -32,9 +33,11 @@ type HTTPWriter struct {
 
 	cacheWriter  caches.Writer // 缓存写入
 	cacheStorage caches.StorageInterface
+
+	isOk bool // 是否完全成功
 }
 
-// 包装对象
+// NewHTTPWriter 包装对象
 func NewHTTPWriter(req *HTTPRequest, httpResponseWriter http.ResponseWriter) *HTTPWriter {
 	return &HTTPWriter{
 		req:    req,
@@ -42,7 +45,7 @@ func NewHTTPWriter(req *HTTPRequest, httpResponseWriter http.ResponseWriter) *HT
 	}
 }
 
-// 重置
+// Reset 重置
 func (this *HTTPWriter) Reset(httpResponseWriter http.ResponseWriter) {
 	this.writer = httpResponseWriter
 
@@ -58,23 +61,25 @@ func (this *HTTPWriter) Reset(httpResponseWriter http.ResponseWriter) {
 	this.gzipBodyWriter = nil
 }
 
-// 设置Gzip
+// Gzip 设置Gzip
 func (this *HTTPWriter) Gzip(config *serverconfigs.HTTPGzipConfig) {
 	this.gzipConfig = config
 }
 
-// 准备输出
-func (this *HTTPWriter) Prepare(size int64) {
+// Prepare 准备输出
+func (this *HTTPWriter) Prepare(size int64, status int) {
+	this.statusCode = status
+
 	this.prepareGzip(size)
 	this.prepareCache(size)
 }
 
-// 包装前的原始的Writer
+// Raw 包装前的原始的Writer
 func (this *HTTPWriter) Raw() http.ResponseWriter {
 	return this.writer
 }
 
-// 获取Header
+// Header 获取Header
 func (this *HTTPWriter) Header() http.Header {
 	if this.writer == nil {
 		return http.Header{}
@@ -82,7 +87,7 @@ func (this *HTTPWriter) Header() http.Header {
 	return this.writer.Header()
 }
 
-// 添加一组Header
+// AddHeaders 添加一组Header
 func (this *HTTPWriter) AddHeaders(header http.Header) {
 	if this.writer == nil {
 		return
@@ -97,7 +102,7 @@ func (this *HTTPWriter) AddHeaders(header http.Header) {
 	}
 }
 
-// 写入数据
+// Write 写入数据
 func (this *HTTPWriter) Write(data []byte) (n int, err error) {
 	if this.writer != nil {
 		if this.gzipWriter != nil {
@@ -113,8 +118,9 @@ func (this *HTTPWriter) Write(data []byte) (n int, err error) {
 		if this.cacheWriter != nil {
 			_, err = this.cacheWriter.Write(data)
 			if err != nil {
+				_ = this.cacheWriter.Discard()
 				this.cacheWriter = nil
-				remotelogs.Error("REQUEST_WRITER", "write cache failed: "+err.Error())
+				remotelogs.Error("HTTP_WRITER", "write cache failed: "+err.Error())
 			}
 		}
 	} else {
@@ -126,7 +132,7 @@ func (this *HTTPWriter) Write(data []byte) (n int, err error) {
 		if this.gzipBodyWriter != nil {
 			_, err := this.gzipBodyWriter.Write(data)
 			if err != nil {
-				remotelogs.Error("REQUEST_WRITER", err.Error())
+				remotelogs.Error("HTTP_WRITER", err.Error())
 			}
 		} else {
 			this.body = append(this.body, data...)
@@ -135,17 +141,17 @@ func (this *HTTPWriter) Write(data []byte) (n int, err error) {
 	return
 }
 
-// 写入字符串
+// WriteString 写入字符串
 func (this *HTTPWriter) WriteString(s string) (n int, err error) {
 	return this.Write([]byte(s))
 }
 
-// 读取发送的字节数
+// SentBodyBytes 读取发送的字节数
 func (this *HTTPWriter) SentBodyBytes() int64 {
 	return this.sentBodyBytes
 }
 
-// 写入状态码
+// WriteHeader 写入状态码
 func (this *HTTPWriter) WriteHeader(statusCode int) {
 	if this.writer != nil {
 		this.writer.WriteHeader(statusCode)
@@ -153,7 +159,7 @@ func (this *HTTPWriter) WriteHeader(statusCode int) {
 	this.statusCode = statusCode
 }
 
-// 读取状态码
+// StatusCode 读取状态码
 func (this *HTTPWriter) StatusCode() int {
 	if this.statusCode == 0 {
 		return http.StatusOK
@@ -161,22 +167,22 @@ func (this *HTTPWriter) StatusCode() int {
 	return this.statusCode
 }
 
-// 设置拷贝Body数据
+// SetBodyCopying 设置拷贝Body数据
 func (this *HTTPWriter) SetBodyCopying(b bool) {
 	this.bodyCopying = b
 }
 
-// 判断是否在拷贝Body数据
+// BodyIsCopying 判断是否在拷贝Body数据
 func (this *HTTPWriter) BodyIsCopying() bool {
 	return this.bodyCopying
 }
 
-// 读取拷贝的Body数据
+// Body 读取拷贝的Body数据
 func (this *HTTPWriter) Body() []byte {
 	return this.body
 }
 
-// 读取Header二进制数据
+// HeaderData 读取Header二进制数据
 func (this *HTTPWriter) HeaderData() []byte {
 	if this.writer == nil {
 		return nil
@@ -198,7 +204,12 @@ func (this *HTTPWriter) HeaderData() []byte {
 	return writer.Bytes()
 }
 
-// 关闭
+// SetOk 设置成功
+func (this *HTTPWriter) SetOk() {
+	this.isOk = true
+}
+
+// Close 关闭
 func (this *HTTPWriter) Close() {
 	// gzip writer
 	if this.gzipWriter != nil {
@@ -212,20 +223,38 @@ func (this *HTTPWriter) Close() {
 
 	// cache writer
 	if this.cacheWriter != nil {
-		err := this.cacheWriter.Close()
-		if err == nil {
-			this.cacheStorage.AddToList(&caches.Item{
-				Type:       this.cacheWriter.ItemType(),
-				Key:        this.cacheWriter.Key(),
-				ExpiredAt:  this.cacheWriter.ExpiredAt(),
-				HeaderSize: this.cacheWriter.HeaderSize(),
-				BodySize:   this.cacheWriter.BodySize(),
-			})
+		if this.isOk {
+			// 对比Content-Length
+			contentLengthString := this.Header().Get("Content-Length")
+			if len(contentLengthString) > 0 {
+				contentLength := types.Int64(contentLengthString)
+				if contentLength != this.cacheWriter.BodySize() {
+					this.isOk = false
+					_ = this.cacheWriter.Discard()
+				}
+			}
+
+			if this.isOk {
+				err := this.cacheWriter.Close()
+				if err == nil {
+					this.cacheStorage.AddToList(&caches.Item{
+						Type:       this.cacheWriter.ItemType(),
+						Key:        this.cacheWriter.Key(),
+						ExpiredAt:  this.cacheWriter.ExpiredAt(),
+						HeaderSize: this.cacheWriter.HeaderSize(),
+						BodySize:   this.cacheWriter.BodySize(),
+						Host:       this.req.Host,
+						ServerId:   this.req.Server.Id,
+					})
+				}
+			}
+		} else {
+			_ = this.cacheWriter.Discard()
 		}
 	}
 }
 
-// Hijack
+// Hijack Hijack
 func (this *HTTPWriter) Hijack() (conn net.Conn, buf *bufio.ReadWriter, err error) {
 	hijack, ok := this.writer.(http.Hijacker)
 	if ok {
@@ -234,7 +263,7 @@ func (this *HTTPWriter) Hijack() (conn net.Conn, buf *bufio.ReadWriter, err erro
 	return
 }
 
-// Flush
+// Flush Flush
 func (this *HTTPWriter) Flush() {
 	flusher, ok := this.writer.(http.Flusher)
 	if ok {
@@ -282,7 +311,7 @@ func (this *HTTPWriter) prepareGzip(size int64) {
 	var err error = nil
 	this.gzipWriter, err = gzip.NewWriterLevel(this.writer, int(this.gzipConfig.Level))
 	if err != nil {
-		remotelogs.Error("REQUEST_WRITER", err.Error())
+		remotelogs.Error("HTTP_WRITER", err.Error())
 		return
 	}
 
@@ -291,7 +320,7 @@ func (this *HTTPWriter) prepareGzip(size int64) {
 		this.gzipBodyBuffer = bytes.NewBuffer([]byte{})
 		this.gzipBodyWriter, err = gzip.NewWriterLevel(this.gzipBodyBuffer, int(this.gzipConfig.Level))
 		if err != nil {
-			remotelogs.Error("REQUEST_WRITER", err.Error())
+			remotelogs.Error("HTTP_WRITER", err.Error())
 		}
 	}
 
@@ -313,7 +342,7 @@ func (this *HTTPWriter) prepareCache(size int64) {
 		return
 	}
 
-	cachePolicy := sharedNodeConfig.HTTPCachePolicy
+	cachePolicy := this.req.Server.HTTPCachePolicy
 	if cachePolicy == nil || !cachePolicy.IsOn {
 		return
 	}
@@ -373,8 +402,8 @@ func (this *HTTPWriter) prepareCache(size int64) {
 	expiredAt := utils.UnixTime() + life
 	cacheWriter, err := storage.OpenWriter(this.req.cacheKey, expiredAt, this.StatusCode())
 	if err != nil {
-		if err != caches.ErrFileIsWriting {
-			remotelogs.Error("REQUEST_WRITER", "write cache failed: "+err.Error())
+		if !caches.CanIgnoreErr(err) {
+			remotelogs.Error("HTTP_WRITER", "write cache failed: "+err.Error())
 		}
 		return
 	}
@@ -388,7 +417,8 @@ func (this *HTTPWriter) prepareCache(size int64) {
 		for _, v1 := range v {
 			_, err = cacheWriter.WriteHeader([]byte(k + ":" + v1 + "\n"))
 			if err != nil {
-				remotelogs.Error("REQUEST_WRITER", "write cache failed: "+err.Error())
+				remotelogs.Error("HTTP_WRITER", "write cache failed: "+err.Error())
+				_ = this.cacheWriter.Discard()
 				this.cacheWriter = nil
 				return
 			}

internal/nodes/http_writer_empty.go

@@ -0,0 +1,63 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import (
+	"bufio"
+	"net"
+	"net/http"
+)
+
+// EmptyResponseWriter 空的响应Writer
+type EmptyResponseWriter struct {
+	header       http.Header
+	parentWriter http.ResponseWriter
+
+	statusCode int
+}
+
+func NewEmptyResponseWriter(parentWriter http.ResponseWriter) *EmptyResponseWriter {
+	return &EmptyResponseWriter{
+		header:       http.Header{},
+		parentWriter: parentWriter,
+	}
+}
+
+func (this *EmptyResponseWriter) Header() http.Header {
+	return this.header
+}
+
+func (this *EmptyResponseWriter) Write(data []byte) (int, error) {
+	if this.statusCode > 300 && this.parentWriter != nil {
+		return this.parentWriter.Write(data)
+	}
+	return 0, nil
+}
+
+func (this *EmptyResponseWriter) WriteHeader(statusCode int) {
+	this.statusCode = statusCode
+
+	if this.statusCode > 300 && this.parentWriter != nil {
+		var parentHeader = this.parentWriter.Header()
+		for k, v := range this.header {
+			parentHeader[k] = v
+		}
+		this.parentWriter.WriteHeader(this.statusCode)
+	}
+}
+
+func (this *EmptyResponseWriter) StatusCode() int {
+	return this.statusCode
+}
+
+// Hijack Hijack
+func (this *EmptyResponseWriter) Hijack() (conn net.Conn, buf *bufio.ReadWriter, err error) {
+	if this.parentWriter == nil {
+		return
+	}
+	hijack, ok := this.parentWriter.(http.Hijacker)
+	if ok {
+		return hijack.Hijack()
+	}
+	return
+}

internal/nodes/listener.go

@@ -43,8 +43,19 @@ func (this *Listener) Listen() error {
 		return nil
 	}
 	protocol := this.group.Protocol()
+	if protocol.IsUDPFamily() {
+		return this.listenUDP()
+	}
+	return this.listenTCP()
+}
 
-	netListener, err := this.createListener()
+func (this *Listener) listenTCP() error {
+	if this.group == nil {
+		return nil
+	}
+	protocol := this.group.Protocol()
+
+	netListener, err := this.createTCPListener()
 	if err != nil {
 		return err
 	}
@@ -80,11 +91,6 @@ func (this *Listener) Listen() error {
 			BaseListener: BaseListener{Group: this.group},
 			Listener:     netListener,
 		}
-	case serverconfigs.ProtocolUDP:
-		this.listener = &UDPListener{
-			BaseListener: BaseListener{Group: this.group},
-			Listener:     netListener,
-		}
 	default:
 		return errors.New("unknown protocol '" + protocol.String() + "'")
 	}
@@ -108,6 +114,31 @@ func (this *Listener) Listen() error {
 	return nil
 }
 
+func (this *Listener) listenUDP() error {
+	listener, err := this.createUDPListener()
+	if err != nil {
+		return err
+	}
+	events.On(events.EventQuit, func() {
+		remotelogs.Println("LISTENER", "quit "+this.group.FullAddr())
+		_ = listener.Close()
+	})
+
+	this.listener = &UDPListener{
+		BaseListener: BaseListener{Group: this.group},
+		Listener:     listener,
+	}
+
+	go func() {
+		err := this.listener.Serve()
+		if err != nil {
+			remotelogs.Error("LISTENER", err.Error())
+		}
+	}()
+
+	return nil
+}
+
 func (this *Listener) Close() error {
 	if this.listener == nil {
 		return nil
@@ -115,8 +146,8 @@ func (this *Listener) Close() error {
 	return this.listener.Close()
 }
 
-// 创建监听器
-func (this *Listener) createListener() (net.Listener, error) {
+// 创建TCP监听器
+func (this *Listener) createTCPListener() (net.Listener, error) {
 	listenConfig := net.ListenConfig{
 		Control:   nil,
 		KeepAlive: 0,
@@ -131,3 +162,13 @@ func (this *Listener) createListener() (net.Listener, error) {
 
 	return listenConfig.Listen(context.Background(), "tcp", this.group.Addr())
 }
+
+// 创建UDP监听器
+func (this *Listener) createUDPListener() (*net.UDPConn, error) {
+	// TODO 将来支持udp4/udp6
+	addr, err := net.ResolveUDPAddr("udp", this.group.Addr())
+	if err != nil {
+		return nil, err
+	}
+	return net.ListenUDP("udp", addr)
+}

internal/nodes/listener_base.go

@@ -7,7 +7,7 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/sslconfigs"
 	"github.com/iwind/TeaGo/lists"
 	"github.com/iwind/TeaGo/types"
-	http2 "golang.org/x/net/http2"
+	"golang.org/x/net/http2"
 	"sync"
 )
 

internal/nodes/listener_http.go

@@ -4,13 +4,20 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"golang.org/x/net/http2"
+	"io"
+	"log"
 	"net"
 	"net/http"
 	"strings"
+	"sync"
 	"sync/atomic"
 	"time"
 )
 
+var httpErrorLogger = log.New(io.Discard, "", 0)
+var metricNewConnMap = map[string]bool{} // remoteAddr => bool
+var metricNewConnMapLocker = &sync.Mutex{}
+
 type HTTPListener struct {
 	BaseListener
 
@@ -35,14 +42,27 @@ func (this *HTTPListener) Serve() error {
 	this.httpServer = &http.Server{
 		Addr:              this.addr,
 		Handler:           handler,
-		ReadHeaderTimeout: 3 * time.Second, // TODO 改成可以配置
+		ReadHeaderTimeout: 2 * time.Second, // TODO 改成可以配置
 		IdleTimeout:       2 * time.Minute, // TODO 改成可以配置
+		ErrorLog:          httpErrorLogger,
 		ConnState: func(conn net.Conn, state http.ConnState) {
 			switch state {
 			case http.StateNew:
 				atomic.AddInt64(&this.countActiveConnections, 1)
+
+				// 为指标存储连接信息
+				if sharedNodeConfig.HasHTTPConnectionMetrics() {
+					metricNewConnMapLocker.Lock()
+					metricNewConnMap[conn.RemoteAddr().String()] = true
+					metricNewConnMapLocker.Unlock()
+				}
 			case http.StateClosed:
 				atomic.AddInt64(&this.countActiveConnections, -1)
+
+				// 移除指标存储连接信息
+				metricNewConnMapLocker.Lock()
+				delete(metricNewConnMap, conn.RemoteAddr().String())
+				metricNewConnMapLocker.Unlock()
 			}
 		},
 	}

internal/nodes/listener_interface.go

@@ -2,20 +2,20 @@ package nodes
 
 import "github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 
-// 各协议监听器的接口
+// ListenerInterface 各协议监听器的接口
 type ListenerInterface interface {
-	// 初始化
+	// Init 初始化
 	Init()
 
-	// 监听
+	// Serve 监听
 	Serve() error
 
-	// 关闭
+	// Close 关闭
 	Close() error
 
-	// 重载配置
+	// Reload 重载配置
 	Reload(serverGroup *serverconfigs.ServerGroup)
 
-	// 获取当前活跃的连接数
+	// CountActiveListeners 获取当前活跃的连接数
 	CountActiveListeners() int
 }

internal/nodes/listener_manager.go

@@ -4,33 +4,56 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/lists"
 	"net/url"
 	"regexp"
 	"sync"
+	"time"
 )
 
 var sharedListenerManager = NewListenerManager()
 
-// 端口监听管理器
+// ListenerManager 端口监听管理器
 type ListenerManager struct {
 	listenersMap map[string]*Listener // addr => *Listener
 	locker       sync.Mutex
 	lastConfig   *nodeconfigs.NodeConfig
+
+	retryListenerMap map[string]*Listener // 需要重试的监听器 addr => Listener
+	ticker           *time.Ticker
 }
 
-// 获取新对象
+// NewListenerManager 获取新对象
 func NewListenerManager() *ListenerManager {
-	return &ListenerManager{
-		listenersMap: map[string]*Listener{},
+	manager := &ListenerManager{
+		listenersMap:     map[string]*Listener{},
+		retryListenerMap: map[string]*Listener{},
+		ticker:           time.NewTicker(1 * time.Minute),
 	}
+
+	// 提升测试效率
+	if Tea.IsTesting() {
+		manager.ticker = time.NewTicker(5 * time.Second)
+	}
+
+	go func() {
+		for range manager.ticker.C {
+			manager.retryListeners()
+		}
+	}()
+
+	return manager
 }
 
-// 启动监听
+// Start 启动监听
 func (this *ListenerManager) Start(node *nodeconfigs.NodeConfig) error {
 	this.locker.Lock()
 	defer this.locker.Unlock()
 
+	// 重置数据
+	this.retryListenerMap = map[string]*Listener{}
+
 	// 检查是否有变化
 	/**if this.lastConfig != nil && this.lastConfig.Version == node.Version {
 		return nil
@@ -83,7 +106,16 @@ func (this *ListenerManager) Start(node *nodeconfigs.NodeConfig) error {
 			listener.Reload(group)
 			err := listener.Listen()
 			if err != nil {
-				remotelogs.Error("LISTENER_MANAGER", err.Error())
+				// 放入到重试队列中
+				this.retryListenerMap[addr] = listener
+
+				firstServer := group.FirstServer()
+				if firstServer == nil {
+					remotelogs.Error("LISTENER_MANAGER", err.Error())
+				} else {
+					remotelogs.ServerError(firstServer.Id, "LISTENER_MANAGER", err.Error())
+				}
+
 				continue
 			}
 			this.listenersMap[addr] = listener
@@ -93,7 +125,7 @@ func (this *ListenerManager) Start(node *nodeconfigs.NodeConfig) error {
 	return nil
 }
 
-// 获取总的活跃连接数
+// TotalActiveConnections 获取总的活跃连接数
 func (this *ListenerManager) TotalActiveConnections() int {
 	this.locker.Lock()
 	defer this.locker.Unlock()
@@ -116,3 +148,18 @@ func (this *ListenerManager) prettyAddress(addr string) string {
 	}
 	return u.String()
 }
+
+// 重试失败的Listener
+func (this *ListenerManager) retryListeners() {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	for addr, listener := range this.retryListenerMap {
+		err := listener.Listen()
+		if err == nil {
+			delete(this.retryListenerMap, addr)
+			this.listenersMap[addr] = listener
+			remotelogs.ServerSuccess(listener.group.FirstServer().Id, "LISTENER_MANAGER", "retry to listen '"+addr+"' successfully")
+		}
+	}
+}

internal/nodes/listener_tcp.go

@@ -80,7 +80,7 @@ func (this *TCPListener) handleConn(conn net.Conn) error {
 				}
 
 				// 记录流量
-				stats.SharedTrafficStatManager.Add(firstServer.Id, int64(n))
+				stats.SharedTrafficStatManager.Add(firstServer.Id, "", int64(n), 0, 0, 0, 0, 0)
 			}
 			if err != nil {
 				closer()

internal/nodes/listener_udp.go

@@ -1,28 +1,201 @@
 package nodes
 
 import (
+	"errors"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/TeaOSLab/EdgeNode/internal/stats"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"net"
+	"sync"
+	"time"
 )
 
 type UDPListener struct {
 	BaseListener
 
-	Listener net.Listener
+	Listener *net.UDPConn
+
+	connMap    map[string]*UDPConn
+	connLocker sync.Mutex
+	connTicker *utils.Ticker
 }
 
 func (this *UDPListener) Serve() error {
-	// TODO
-	// TODO 注意管理 CountActiveConnections
-	return nil
+	firstServer := this.Group.FirstServer()
+	if firstServer == nil {
+		return errors.New("no server available")
+	}
+	if firstServer.ReverseProxy == nil {
+		return errors.New("no ReverseProxy configured for the server")
+	}
+
+	this.connMap = map[string]*UDPConn{}
+	this.connTicker = utils.NewTicker(1 * time.Minute)
+	go func() {
+		for this.connTicker.Next() {
+			this.gcConns()
+		}
+	}()
+
+	var buffer = make([]byte, 4*1024)
+	for {
+		n, addr, _ := this.Listener.ReadFrom(buffer)
+		if n > 0 {
+			this.connLocker.Lock()
+			conn, ok := this.connMap[addr.String()]
+			this.connLocker.Unlock()
+			if ok && !conn.IsOk() {
+				_ = conn.Close()
+				ok = false
+			}
+			if !ok {
+				originConn, err := this.connectOrigin(firstServer.ReverseProxy, "")
+				if err != nil {
+					remotelogs.Error("UDP_LISTENER", "unable to connect to origin server: "+err.Error())
+					continue
+				}
+				if originConn == nil {
+					remotelogs.Error("UDP_LISTENER", "unable to find a origin server")
+					continue
+				}
+				conn = NewUDPConn(firstServer.Id, addr, this.Listener, originConn.(*net.UDPConn))
+				this.connLocker.Lock()
+				this.connMap[addr.String()] = conn
+				this.connLocker.Unlock()
+			}
+			_, _ = conn.Write(buffer[:n])
+		}
+	}
 }
 
 func (this *UDPListener) Close() error {
-	// TODO
-	return nil
+	if this.connTicker != nil {
+		this.connTicker.Stop()
+	}
+
+	// 关闭所有连接
+	this.connLocker.Lock()
+	for _, conn := range this.connMap {
+		_ = conn.Close()
+	}
+	this.connLocker.Unlock()
+
+	return this.Listener.Close()
 }
 
 func (this *UDPListener) Reload(group *serverconfigs.ServerGroup) {
 	this.Group = group
 	this.Reset()
 }
+
+func (this *UDPListener) connectOrigin(reverseProxy *serverconfigs.ReverseProxyConfig, remoteAddr string) (conn net.Conn, err error) {
+	if reverseProxy == nil {
+		return nil, errors.New("no reverse proxy config")
+	}
+
+	retries := 3
+	for i := 0; i < retries; i++ {
+		origin := reverseProxy.NextOrigin(nil)
+		if origin == nil {
+			continue
+		}
+		conn, err = OriginConnect(origin, remoteAddr)
+		if err != nil {
+			remotelogs.Error("UDP_LISTENER", "unable to connect origin: "+origin.Addr.Host+":"+origin.Addr.PortRange+": "+err.Error())
+			continue
+		} else {
+			return
+		}
+	}
+	err = errors.New("no origin can be used")
+	return
+}
+
+// 回收连接
+func (this *UDPListener) gcConns() {
+	this.connLocker.Lock()
+	closingConns := []*UDPConn{}
+	for addr, conn := range this.connMap {
+		if !conn.IsOk() {
+			closingConns = append(closingConns, conn)
+			delete(this.connMap, addr)
+		}
+	}
+	this.connLocker.Unlock()
+
+	for _, conn := range closingConns {
+		_ = conn.Close()
+	}
+}
+
+// UDPConn 自定义的UDP连接管理
+type UDPConn struct {
+	addr        net.Addr
+	proxyConn   net.Conn
+	serverConn  net.Conn
+	activatedAt int64
+	isOk        bool
+	isClosed    bool
+}
+
+func NewUDPConn(serverId int64, addr net.Addr, proxyConn *net.UDPConn, serverConn *net.UDPConn) *UDPConn {
+	conn := &UDPConn{
+		addr:        addr,
+		proxyConn:   proxyConn,
+		serverConn:  serverConn,
+		activatedAt: time.Now().Unix(),
+		isOk:        true,
+	}
+	go func() {
+		buffer := bytePool32k.Get()
+		defer func() {
+			bytePool32k.Put(buffer)
+		}()
+
+		for {
+			n, err := serverConn.Read(buffer)
+			if n > 0 {
+				conn.activatedAt = time.Now().Unix()
+				_, writingErr := proxyConn.WriteTo(buffer[:n], addr)
+				if writingErr != nil {
+					conn.isOk = false
+					break
+				}
+
+				// 记录流量
+				stats.SharedTrafficStatManager.Add(serverId, "", int64(n), 0, 0, 0, 0, 0)
+			}
+			if err != nil {
+				conn.isOk = false
+				break
+			}
+		}
+	}()
+	return conn
+}
+
+func (this *UDPConn) Write(b []byte) (n int, err error) {
+	this.activatedAt = time.Now().Unix()
+	n, err = this.serverConn.Write(b)
+	if err != nil {
+		this.isOk = false
+	}
+	return
+}
+
+func (this *UDPConn) Close() error {
+	this.isOk = false
+	if this.isClosed {
+		return nil
+	}
+	this.isClosed = true
+	return this.serverConn.Close()
+}
+
+func (this *UDPConn) IsOk() bool {
+	if !this.isOk {
+		return false
+	}
+	return time.Now().Unix()-this.activatedAt < 30 // 如果超过 N 秒没有活动我们认为是超时
+}

internal/nodes/node.go

@@ -6,12 +6,12 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
-	"github.com/TeaOSLab/EdgeNode/internal/apps"
 	"github.com/TeaOSLab/EdgeNode/internal/caches"
 	"github.com/TeaOSLab/EdgeNode/internal/configs"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
 	"github.com/TeaOSLab/EdgeNode/internal/iplibrary"
+	"github.com/TeaOSLab/EdgeNode/internal/metrics"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/TeaOSLab/EdgeNode/internal/stats"
@@ -20,30 +20,34 @@ import (
 	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/lists"
 	"github.com/iwind/TeaGo/logs"
+	"github.com/iwind/TeaGo/maps"
+	"github.com/iwind/gosock/pkg/gosock"
 	"io/ioutil"
 	"log"
-	"net"
 	"os"
 	"os/exec"
-	"os/signal"
 	"runtime"
-	"syscall"
 	"time"
 )
 
 var sharedNodeConfig *nodeconfigs.NodeConfig
 var nodeTaskNotify = make(chan bool, 8)
+var DaemonIsOn = false
+var DaemonPid = 0
 
-// 节点
+// Node 节点
 type Node struct {
 	isLoaded bool
+	sock     *gosock.Sock
 }
 
 func NewNode() *Node {
-	return &Node{}
+	return &Node{
+		sock: gosock.NewTmpSock(teaconst.ProcessName),
+	}
 }
 
-// 检查配置
+// Test 检查配置
 func (this *Node) Test() error {
 	// 检查是否能连接API
 	rpcClient, err := rpc.SharedRPC()
@@ -58,14 +62,18 @@ func (this *Node) Test() error {
 	return nil
 }
 
-// 启动
+// Start 启动
 func (this *Node) Start() {
+	_, ok := os.LookupEnv("EdgeDaemon")
+	if ok {
+		remotelogs.Println("NODE", "start from daemon")
+		DaemonIsOn = true
+		DaemonPid = os.Getppid()
+	}
+
 	// 启动事件
 	events.Notify(events.EventStart)
 
-	// 处理信号
-	this.listenSignals()
-
 	// 本地Sock
 	err := this.listenSock()
 	if err != nil {
@@ -74,23 +82,30 @@ func (this *Node) Start() {
 	}
 
 	// 读取API配置
-	tryTimes := 0
-	for {
-		err = this.syncConfig()
+	err = this.syncConfig()
+	if err != nil {
+		_, err := nodeconfigs.SharedNodeConfig()
 		if err != nil {
-			tryTimes++
+			// 无本地数据时，会尝试多次读取
+			tryTimes := 0
+			for {
+				err := this.syncConfig()
+				if err != nil {
+					tryTimes++
 
-			if tryTimes%10 == 0 {
-				remotelogs.Error("NODE", err.Error())
-			}
-			time.Sleep(1 * time.Second)
+					if tryTimes%10 == 0 {
+						remotelogs.Error("NODE", err.Error())
+					}
+					time.Sleep(1 * time.Second)
 
-			// 不做长时间的无意义的重试
-			if tryTimes > 1000 {
-				return
+					// 不做长时间的无意义的重试
+					if tryTimes > 1000 {
+						return
+					}
+				} else {
+					break
+				}
 			}
-		} else {
-			break
 		}
 	}
 
@@ -135,24 +150,16 @@ func (this *Node) Start() {
 		return
 	}
 
-	// 写入PID
-	err = apps.WritePid()
-	if err != nil {
-		remotelogs.Error("NODE", "write pid failed: "+err.Error())
-		return
-	}
-
 	// hold住进程
 	select {}
 }
 
-// 实现守护进程
+// Daemon 实现守护进程
 func (this *Node) Daemon() {
-	path := os.TempDir() + "/edge-node.sock"
 	isDebug := lists.ContainsString(os.Args, "debug")
 	isDebug = true
 	for {
-		conn, err := net.DialTimeout("unix", path, 1*time.Second)
+		conn, err := this.sock.Dial()
 		if err != nil {
 			if isDebug {
 				log.Println("[DAEMON]starting ...")
@@ -164,6 +171,10 @@ func (this *Node) Daemon() {
 				if err != nil {
 					return err
 				}
+
+				// 可以标记当前是从守护进程启动的
+				_ = os.Setenv("EdgeDaemon", "on")
+
 				cmd := exec.Command(exe)
 				err = cmd.Start()
 				if err != nil {
@@ -191,7 +202,7 @@ func (this *Node) Daemon() {
 	}
 }
 
-// 安装系统服务
+// InstallSystemService 安装系统服务
 func (this *Node) InstallSystemService() error {
 	shortName := teaconst.SystemdServiceName
 
@@ -208,32 +219,6 @@ func (this *Node) InstallSystemService() error {
 	return nil
 }
 
-// 处理信号
-func (this *Node) listenSignals() {
-	signals := make(chan os.Signal)
-	signal.Notify(signals, syscall.SIGQUIT)
-	go func() {
-		for s := range signals {
-			switch s {
-			case syscall.SIGQUIT:
-				events.Notify(events.EventQuit)
-
-				// 监控连接数，如果连接数为0，则退出进程
-				go func() {
-					for {
-						countActiveConnections := sharedListenerManager.TotalActiveConnections()
-						if countActiveConnections <= 0 {
-							os.Exit(0)
-							return
-						}
-						time.Sleep(1 * time.Second)
-					}
-				}()
-			}
-		}
-	}()
-}
-
 // 循环
 func (this *Node) loop() error {
 	// 检查api.yaml是否存在
@@ -285,6 +270,8 @@ func (this *Node) loop() error {
 			if err != nil {
 				return err
 			}
+		case "nodeVersionChanged":
+			go sharedUpgradeManager.Start()
 		}
 	}
 
@@ -360,12 +347,12 @@ func (this *Node) syncConfig() error {
 	} else {
 		remotelogs.Println("NODE", "loading config ...")
 	}
-
+	
 	nodeconfigs.ResetNodeConfig(nodeConfig)
 	caches.SharedManager.MaxDiskCapacity = nodeConfig.MaxCacheDiskCapacity
 	caches.SharedManager.MaxMemoryCapacity = nodeConfig.MaxCacheMemoryCapacity
-	if nodeConfig.HTTPCachePolicy != nil {
-		caches.SharedManager.UpdatePolicies([]*serverconfigs.HTTPCachePolicy{nodeConfig.HTTPCachePolicy})
+	if len(nodeConfig.HTTPCachePolicies) > 0 {
+		caches.SharedManager.UpdatePolicies(nodeConfig.HTTPCachePolicies)
 	} else {
 		caches.SharedManager.UpdatePolicies([]*serverconfigs.HTTPCachePolicy{})
 	}
@@ -374,6 +361,8 @@ func (this *Node) syncConfig() error {
 	iplibrary.SharedActionManager.UpdateActions(nodeConfig.FirewallActions)
 	sharedNodeConfig = nodeConfig
 
+	metrics.SharedManager.Update(nodeConfig.MetricItems)
+
 	// 发送事件
 	events.Notify(events.EventReload)
 
@@ -468,37 +457,63 @@ func (this *Node) checkClusterConfig() error {
 
 // 监听本地sock
 func (this *Node) listenSock() error {
-	path := os.TempDir() + "/edge-node.sock"
-
-	// 检查是否已经存在
-	_, err := os.Stat(path)
-	if err == nil {
-		conn, err := net.Dial("unix", path)
-		if err != nil {
-			_ = os.Remove(path)
+	// 检查是否在运行
+	if this.sock.IsListening() {
+		reply, err := this.sock.Send(&gosock.Command{Code: "pid"})
+		if err == nil {
+			return errors.New("error: the process is already running, pid: " + maps.NewMap(reply.Params).GetString("pid"))
 		} else {
-			_ = conn.Close()
+			return errors.New("error: the process is already running")
 		}
 	}
 
-	// 新的监听任务
-	listener, err := net.Listen("unix", path)
-	if err != nil {
-		return err
-	}
-	events.On(events.EventQuit, func() {
-		remotelogs.Println("NODE", "quit unix sock")
-		_ = listener.Close()
-	})
-
+	// 启动监听
 	go func() {
-		for {
-			_, err := listener.Accept()
-			if err != nil {
-				return
+		this.sock.OnCommand(func(cmd *gosock.Command) {
+			switch cmd.Code {
+			case "pid":
+				_ = cmd.Reply(&gosock.Command{
+					Code: "pid",
+					Params: map[string]interface{}{
+						"pid": os.Getpid(),
+					},
+				})
+			case "stop":
+				_ = cmd.ReplyOk()
+
+				// 退出主进程
+				events.Notify(events.EventQuit)
+				os.Exit(0)
+			case "quit":
+				_ = cmd.ReplyOk()
+				_ = this.sock.Close()
+
+				events.Notify(events.EventQuit)
+
+				// 监控连接数，如果连接数为0，则退出进程
+				go func() {
+					for {
+						countActiveConnections := sharedListenerManager.TotalActiveConnections()
+						if countActiveConnections <= 0 {
+							os.Exit(0)
+							return
+						}
+						time.Sleep(1 * time.Second)
+					}
+				}()
 			}
+		})
+
+		err := this.sock.Listen()
+		if err != nil {
+			logs.Println("NODE", err.Error())
 		}
 	}()
 
+	events.On(events.EventQuit, func() {
+		logs.Println("NODE", "quit unix sock")
+		_ = this.sock.Close()
+	})
+
 	return nil
 }

internal/nodes/node_status_executor.go

@@ -15,6 +15,7 @@ import (
 	"github.com/iwind/TeaGo/maps"
 	"github.com/shirou/gopsutil/cpu"
 	"github.com/shirou/gopsutil/disk"
+	"golang.org/x/sys/unix"
 	"os"
 	"runtime"
 	"strings"
@@ -67,6 +68,8 @@ func (this *NodeStatusExecutor) update() {
 	status.ConnectionCount = sharedListenerManager.TotalActiveConnections()
 	status.CacheTotalDiskSize = caches.SharedManager.TotalDiskSize()
 	status.CacheTotalMemorySize = caches.SharedManager.TotalMemorySize()
+	status.TrafficInBytes = inTrafficBytes
+	status.TrafficOutBytes = outTrafficBytes
 
 	// 记录监控数据
 	monitor.SharedValueQueue.Add(nodeconfigs.NodeValueItemConnections, maps.Map{
@@ -80,6 +83,7 @@ func (this *NodeStatusExecutor) update() {
 	this.updateMem(status)
 	this.updateLoad(status)
 	this.updateDisk(status)
+	this.updateCacheSpace(status)
 	status.UpdatedAt = time.Now().Unix()
 
 	//  发送数据
@@ -211,3 +215,25 @@ func (this *NodeStatusExecutor) updateDisk(status *nodeconfigs.NodeStatus) {
 		"maxUsage": status.DiskMaxUsage,
 	})
 }
+
+// 缓存空间
+func (this *NodeStatusExecutor) updateCacheSpace(status *nodeconfigs.NodeStatus) {
+	var result = []maps.Map{}
+	cachePaths := caches.SharedManager.FindAllCachePaths()
+	for _, path := range cachePaths {
+		var stat unix.Statfs_t
+		err := unix.Statfs(path, &stat)
+		if err != nil {
+			return
+		}
+		result = append(result, maps.Map{
+			"path":  path,
+			"total": stat.Blocks * uint64(stat.Bsize),
+			"avail": stat.Bavail * uint64(stat.Bsize),
+			"used":  (stat.Blocks - stat.Bavail) * uint64(stat.Bsize),
+		})
+	}
+	monitor.SharedValueQueue.Add(nodeconfigs.NodeValueItemCacheDir, maps.Map{
+		"dirs": result,
+	})
+}

internal/nodes/origin_state.go

@@ -0,0 +1,12 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import "github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+
+type OriginState struct {
+	CountFails   int64
+	UpdatedAt    int64
+	Config       *serverconfigs.OriginConfig
+	ReverseProxy *serverconfigs.ReverseProxyConfig
+}

internal/nodes/origin_state_manager.go

@@ -0,0 +1,174 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/iwind/TeaGo/Tea"
+	"sync"
+	"time"
+)
+
+var SharedOriginStateManager = NewOriginStateManager()
+
+func init() {
+	events.On(events.EventLoaded, func() {
+		go SharedOriginStateManager.Start()
+	})
+}
+
+// OriginStateManager 源站状态管理
+type OriginStateManager struct {
+	stateMap map[int64]*OriginState // originId => *OriginState
+
+	ticker *time.Ticker
+	locker sync.RWMutex
+}
+
+// NewOriginStateManager 获取新管理对象
+func NewOriginStateManager() *OriginStateManager {
+	return &OriginStateManager{
+		stateMap: map[int64]*OriginState{},
+		ticker:   time.NewTicker(60 * time.Second),
+	}
+}
+
+// Start 启动
+func (this *OriginStateManager) Start() {
+	events.On(events.EventReload, func() {
+		this.locker.Lock()
+		this.stateMap = map[int64]*OriginState{}
+		this.locker.Unlock()
+	})
+
+	if Tea.IsTesting() {
+		this.ticker = time.NewTicker(10 * time.Second)
+	}
+	for range this.ticker.C {
+		err := this.Loop()
+		if err != nil {
+			remotelogs.Error("ORIGIN_MANAGER", err.Error())
+		}
+	}
+}
+
+// Loop 单次循环检查
+func (this *OriginStateManager) Loop() error {
+	if sharedNodeConfig == nil {
+		return nil
+	}
+
+	var currentStates = []*OriginState{}
+	this.locker.Lock()
+	for originId, state := range this.stateMap {
+		// 检查Origin是否正在使用
+		config := sharedNodeConfig.FindOrigin(originId)
+		if config == nil || !config.IsOn {
+			delete(this.stateMap, originId)
+			continue
+		}
+		state.Config = config
+		currentStates = append(currentStates, state)
+	}
+	this.locker.Unlock()
+
+	if len(currentStates) == 0 {
+		return nil
+	}
+
+	var count = len(currentStates)
+	wg := &sync.WaitGroup{}
+	wg.Add(count)
+	for _, state := range currentStates {
+		go func(state *OriginState) {
+			defer wg.Done()
+			conn, err := OriginConnect(state.Config, "")
+			if err == nil {
+				_ = conn.Close()
+
+				// 已经恢复正常
+				this.locker.Lock()
+				state.Config.IsOk = true
+				delete(this.stateMap, state.Config.Id)
+				this.locker.Unlock()
+
+				var reverseProxy = state.ReverseProxy
+				if reverseProxy != nil {
+					reverseProxy.ResetScheduling()
+				}
+			}
+		}(state)
+	}
+	wg.Wait()
+
+	return nil
+}
+
+// Fail 添加失败的源站
+func (this *OriginStateManager) Fail(origin *serverconfigs.OriginConfig, reverseProxy *serverconfigs.ReverseProxyConfig, callback func()) {
+	if origin == nil {
+		return
+	}
+	this.locker.Lock()
+	state, ok := this.stateMap[origin.Id]
+	var timestamp = time.Now().Unix()
+	if ok {
+		if state.UpdatedAt < timestamp-300 { // N 分钟之后重新计数
+			state.CountFails = 0
+			state.Config.IsOk = true
+		}
+
+		state.CountFails++
+		state.Config = origin
+		state.ReverseProxy = reverseProxy
+		state.UpdatedAt = timestamp
+
+		if origin.IsOk {
+			origin.IsOk = state.CountFails > 5 // 超过 N 次之后认为是异常
+
+			if !origin.IsOk {
+				if callback != nil {
+					callback()
+				}
+			}
+		}
+	} else {
+		this.stateMap[origin.Id] = &OriginState{
+			CountFails:   1,
+			Config:       origin,
+			ReverseProxy: reverseProxy,
+			UpdatedAt:    timestamp,
+		}
+		origin.IsOk = true
+	}
+	this.locker.Unlock()
+}
+
+// Success 添加成功的源站
+func (this *OriginStateManager) Success(origin *serverconfigs.OriginConfig, callback func()) {
+	if origin == nil {
+		return
+	}
+
+	if !origin.IsOk {
+		if callback != nil {
+			defer callback()
+		}
+	}
+
+	origin.IsOk = true
+	this.locker.Lock()
+	delete(this.stateMap, origin.Id)
+	this.locker.Unlock()
+}
+
+// IsAvailable 检查是否正常
+func (this *OriginStateManager) IsAvailable(originId int64) bool {
+	this.locker.RLock()
+	_, ok := this.stateMap[originId]
+	this.locker.RUnlock()
+
+	return !ok
+}

internal/nodes/origin_state_manager_test.go

@@ -0,0 +1,15 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import "testing"
+
+func TestOriginManager_Loop(t *testing.T) {
+	var manager = NewOriginStateManager()
+	err := manager.Loop()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Log(manager.stateMap)
+}

internal/nodes/origin_utils.go

@@ -9,48 +9,51 @@ import (
 	"strconv"
 )
 
-// 连接源站
+// OriginConnect 连接源站
 func OriginConnect(origin *serverconfigs.OriginConfig, remoteAddr string) (net.Conn, error) {
 	if origin.Addr == nil {
 		return nil, errors.New("origin server address should not be empty")
 	}
 
 	// 支持TOA的连接
-	toaConfig := sharedTOAManager.Config()
-	if toaConfig != nil && toaConfig.IsOn {
-		retries := 3
-		for i := 1; i <= retries; i++ {
-			port := int(toaConfig.RandLocalPort())
-			err := sharedTOAManager.SendMsg("add:" + strconv.Itoa(port) + ":" + remoteAddr)
-			if err != nil {
-				remotelogs.Error("TOA", "add failed: "+err.Error())
-			} else {
-				dialer := net.Dialer{
-					Timeout: origin.ConnTimeoutDuration(),
-					LocalAddr: &net.TCPAddr{
-						Port: port,
-					},
-				}
-				var conn net.Conn
-				switch origin.Addr.Protocol {
-				case "", serverconfigs.ProtocolTCP, serverconfigs.ProtocolHTTP:
-					// TODO 支持TCP4/TCP6
-					// TODO 支持指定特定网卡
-					// TODO Addr支持端口范围，如果有多个端口时，随机一个端口使用
-					conn, err = dialer.Dial("tcp", origin.Addr.Host+":"+origin.Addr.PortRange)
-				case serverconfigs.ProtocolTLS, serverconfigs.ProtocolHTTPS:
-					// TODO 支持TCP4/TCP6
-					// TODO 支持指定特定网卡
-					// TODO Addr支持端口范围，如果有多个端口时，随机一个端口使用
-					// TODO 支持使用证书
-					conn, err = tls.DialWithDialer(&dialer, "tcp", origin.Addr.Host+":"+origin.Addr.PortRange, &tls.Config{
-						InsecureSkipVerify: true,
-					})
-				}
+	// 这个条件很重要，如果没有传递remoteAddr，表示不使用TOA
+	if len(remoteAddr) > 0 {
+		toaConfig := sharedTOAManager.Config()
+		if toaConfig != nil && toaConfig.IsOn {
+			retries := 3
+			for i := 1; i <= retries; i++ {
+				port := int(toaConfig.RandLocalPort())
+				err := sharedTOAManager.SendMsg("add:" + strconv.Itoa(port) + ":" + remoteAddr)
+				if err != nil {
+					remotelogs.Error("TOA", "add failed: "+err.Error())
+				} else {
+					dialer := net.Dialer{
+						Timeout: origin.ConnTimeoutDuration(),
+						LocalAddr: &net.TCPAddr{
+							Port: port,
+						},
+					}
+					var conn net.Conn
+					switch origin.Addr.Protocol {
+					case "", serverconfigs.ProtocolTCP, serverconfigs.ProtocolHTTP:
+						// TODO 支持TCP4/TCP6
+						// TODO 支持指定特定网卡
+						// TODO Addr支持端口范围，如果有多个端口时，随机一个端口使用
+						conn, err = dialer.Dial("tcp", origin.Addr.Host+":"+origin.Addr.PortRange)
+					case serverconfigs.ProtocolTLS, serverconfigs.ProtocolHTTPS:
+						// TODO 支持TCP4/TCP6
+						// TODO 支持指定特定网卡
+						// TODO Addr支持端口范围，如果有多个端口时，随机一个端口使用
+						// TODO 支持使用证书
+						conn, err = tls.DialWithDialer(&dialer, "tcp", origin.Addr.Host+":"+origin.Addr.PortRange, &tls.Config{
+							InsecureSkipVerify: true,
+						})
+					}
 
-				// TODO 需要在合适的时机删除TOA记录
-				if err == nil || i == retries {
-					return conn, err
+					// TODO 需要在合适的时机删除TOA记录
+					if err == nil || i == retries {
+						return conn, err
+					}
 				}
 			}
 		}
@@ -70,9 +73,15 @@ func OriginConnect(origin *serverconfigs.OriginConfig, remoteAddr string) (net.C
 		return tls.Dial("tcp", origin.Addr.Host+":"+origin.Addr.PortRange, &tls.Config{
 			InsecureSkipVerify: true,
 		})
+	case serverconfigs.ProtocolUDP:
+		addr, err := net.ResolveUDPAddr("udp", origin.Addr.Host+":"+origin.Addr.PortRange)
+		if err != nil {
+			return nil, err
+		}
+		return net.DialUDP("udp", nil, addr)
 	}
 
 	// TODO 支持从Unix、Pipe、HTTP、HTTPS中读取数据
 
-	return nil, errors.New("invalid scheme '" + origin.Addr.Protocol.String() + "'")
+	return nil, errors.New("invalid origin scheme '" + origin.Addr.Protocol.String() + "'")
 }

internal/nodes/task_sync_api_nodes.go

@@ -1,6 +1,8 @@
 package nodes
 
 import (
+	"context"
+	"crypto/tls"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeNode/internal/configs"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
@@ -8,8 +10,12 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/logs"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+	"net/url"
 	"sort"
 	"strings"
+	"sync"
 	"time"
 )
 
@@ -20,7 +26,7 @@ func init() {
 	})
 }
 
-// API节点同步任务
+// SyncAPINodesTask API节点同步任务
 type SyncAPINodesTask struct {
 }
 
@@ -74,6 +80,12 @@ func (this *SyncAPINodesTask) Loop() error {
 		return nil
 	}
 
+	// 测试是否有API节点可用
+	hasOk := this.testEndpoints(newEndpoints)
+	if !hasOk {
+		return nil
+	}
+
 	// 修改RPC对象配置
 	config.RPC.Endpoints = newEndpoints
 	err = rpcClient.UpdateConfig(config)
@@ -95,3 +107,47 @@ func (this *SyncAPINodesTask) isSame(endpoints1 []string, endpoints2 []string) b
 	sort.Strings(endpoints2)
 	return strings.Join(endpoints1, "&") == strings.Join(endpoints2, "&")
 }
+
+func (this *SyncAPINodesTask) testEndpoints(endpoints []string) bool {
+	if len(endpoints) == 0 {
+		return false
+	}
+
+	var wg = sync.WaitGroup{}
+	wg.Add(len(endpoints))
+
+	var ok = false
+
+	for _, endpoint := range endpoints {
+		go func(endpoint string) {
+			defer wg.Done()
+
+			u, err := url.Parse(endpoint)
+			if err != nil {
+				return
+			}
+
+			ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+			defer func() {
+				cancel()
+			}()
+			var conn *grpc.ClientConn
+			if u.Scheme == "http" {
+				conn, err = grpc.DialContext(ctx, u.Host, grpc.WithInsecure(), grpc.WithBlock())
+			} else if u.Scheme == "https" {
+				conn, err = grpc.DialContext(ctx, u.Host, grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{
+					InsecureSkipVerify: true,
+				})), grpc.WithBlock())
+			}
+			if err != nil {
+				return
+			}
+			_ = conn.Close()
+
+			ok = true
+		}(endpoint)
+	}
+	wg.Wait()
+
+	return ok
+}

internal/nodes/toa_manager.go

@@ -86,6 +86,7 @@ func (this *TOAManager) SendMsg(msg string) error {
 	if this.conn != nil {
 		_, err := this.conn.Write([]byte(msg + "\n"))
 		if err != nil {
+			_ = this.conn.Close()
 			this.conn = nil
 		}
 		return err

internal/nodes/traffic_listener.go

@@ -2,7 +2,10 @@
 
 package nodes
 
-import "net"
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/waf"
+	"net"
+)
 
 // TrafficListener 用于统计流量的网络监听
 type TrafficListener struct {
@@ -18,6 +21,17 @@ func (this *TrafficListener) Accept() (net.Conn, error) {
 	if err != nil {
 		return nil, err
 	}
+	// 是否在WAF名单中
+	ip, _, err := net.SplitHostPort(conn.RemoteAddr().String())
+	if err == nil {
+		if !waf.SharedIPWhiteList.Contains(waf.IPTypeAll, ip) && waf.SharedIPBlackLIst.Contains(waf.IPTypeAll, ip) {
+			defer func() {
+				_ = conn.Close()
+			}()
+			return conn, nil
+		}
+	}
+
 	return NewTrafficConn(conn), nil
 }
 

internal/nodes/upgrade_manager.go

@@ -0,0 +1,252 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package nodes
+
+import (
+	"crypto/md5"
+	"fmt"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
+	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
+	"github.com/TeaOSLab/EdgeNode/internal/rpc"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/iwind/TeaGo/Tea"
+	"github.com/iwind/TeaGo/logs"
+	stringutil "github.com/iwind/TeaGo/utils/string"
+	"os"
+	"os/exec"
+	"runtime"
+	"time"
+)
+
+var sharedUpgradeManager = NewUpgradeManager()
+
+// UpgradeManager 节点升级管理器
+// TODO 需要在集群中设置是否自动更新
+type UpgradeManager struct {
+	isInstalling bool
+	lastFile     string
+}
+
+// NewUpgradeManager 获取新对象
+func NewUpgradeManager() *UpgradeManager {
+	return &UpgradeManager{}
+}
+
+// Start 启动升级
+func (this *UpgradeManager) Start() {
+	// 测试环境下不更新
+	if Tea.IsTesting() {
+		return
+	}
+
+	if this.isInstalling {
+		return
+	}
+	this.isInstalling = true
+
+	// 还原安装状态
+	defer func() {
+		this.isInstalling = false
+	}()
+
+	remotelogs.Println("UPGRADE_MANAGER", "upgrading node ...")
+	err := this.install()
+	if err != nil {
+		remotelogs.Error("UPGRADE_MANAGER", "download failed: "+err.Error())
+		return
+	}
+
+	remotelogs.Println("UPGRADE_MANAGER", "upgrade successfully")
+
+	go func() {
+		err = this.restart()
+		if err != nil {
+			logs.Println("UPGRADE_MANAGER", err.Error())
+		}
+	}()
+}
+
+func (this *UpgradeManager) install() error {
+	// 检查是否有已下载但未安装成功的
+	if len(this.lastFile) > 0 {
+		_, err := os.Stat(this.lastFile)
+		if err == nil {
+			err = this.unzip(this.lastFile)
+			if err != nil {
+				return err
+			}
+			this.lastFile = ""
+			return nil
+		}
+	}
+
+	// 创建临时文件
+	dir := Tea.Root + "/tmp"
+	_, err := os.Stat(dir)
+	if err != nil {
+		if os.IsNotExist(err) {
+			err = os.Mkdir(dir, 0777)
+			if err != nil {
+				return err
+			}
+		} else {
+			return err
+		}
+	}
+
+	remotelogs.Println("UPGRADE_MANAGER", "downloading new node ...")
+
+	path := dir + "/edge-node" + ".tmp"
+	fp, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0777)
+	if err != nil {
+		return err
+	}
+	isClosed := false
+	defer func() {
+		if !isClosed {
+			_ = fp.Close()
+		}
+	}()
+
+	client, err := rpc.SharedRPC()
+	if err != nil {
+		return err
+	}
+
+	var offset int64
+	var h = md5.New()
+	var sum = ""
+	var filename = ""
+	for {
+		resp, err := client.NodeRPC().DownloadNodeInstallationFile(client.Context(), &pb.DownloadNodeInstallationFileRequest{
+			Os:          runtime.GOOS,
+			Arch:        runtime.GOARCH,
+			ChunkOffset: offset,
+		})
+		if err != nil {
+			return err
+		}
+		if len(resp.Sum) == 0 {
+			return nil
+		}
+		sum = resp.Sum
+		filename = resp.Filename
+		if stringutil.VersionCompare(resp.Version, teaconst.Version) <= 0 {
+			return nil
+		}
+		if len(resp.ChunkData) == 0 {
+			break
+		}
+
+		// 写入文件
+		_, err = fp.Write(resp.ChunkData)
+		if err != nil {
+			return err
+		}
+		_, err = h.Write(resp.ChunkData)
+		if err != nil {
+			return err
+		}
+
+		offset = resp.Offset
+	}
+
+	if len(filename) == 0 {
+		return nil
+	}
+
+	isClosed = true
+	err = fp.Close()
+	if err != nil {
+		return err
+	}
+
+	if fmt.Sprintf("%x", h.Sum(nil)) != sum {
+		_ = os.Remove(path)
+		return nil
+	}
+
+	// 改成zip
+	zipPath := dir + "/" + filename
+	err = os.Rename(path, zipPath)
+	if err != nil {
+		return err
+	}
+	this.lastFile = zipPath
+
+	// 解压
+	err = this.unzip(zipPath)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// 解压
+func (this *UpgradeManager) unzip(zipPath string) error {
+	var isOk = false
+	defer func() {
+		if isOk {
+			// 只有解压并覆盖成功后才会删除
+			_ = os.Remove(zipPath)
+		}
+	}()
+
+	// 解压
+	var target = Tea.Root
+	if Tea.IsTesting() {
+		// 测试环境下只解压在tmp目录
+		target = Tea.Root + "/tmp"
+	}
+
+	// 先改先前的可执行文件
+	err := os.Rename(target+"/bin/edge-node", target+"/bin/.edge-node.old")
+	hasBackup := err == nil
+	defer func() {
+		if !isOk && hasBackup {
+			// 失败时还原
+			_ = os.Rename(target+"/bin/.edge-node.old", target+"/bin/edge-node")
+		}
+	}()
+
+	unzip := utils.NewUnzip(zipPath, target, "edge-node/")
+	err = unzip.Run()
+	if err != nil {
+		return err
+	}
+
+	isOk = true
+
+	return nil
+}
+
+// 重启
+func (this *UpgradeManager) restart() error {
+	// 重新启动
+	if DaemonIsOn && DaemonPid == os.Getppid() {
+		os.Exit(0) // TODO 试着更优雅重启
+	} else {
+		exe, err := os.Executable()
+		if err != nil {
+			return err
+		}
+
+		// quit
+		events.Notify(events.EventQuit)
+
+		// 启动
+		cmd := exec.Command(exe, "start")
+		err = cmd.Start()
+		if err != nil {
+			return err
+		}
+
+		// 退出当前进程
+		time.Sleep(1 * time.Second)
+		os.Exit(0)
+	}
+	return nil
+}