refactor: udp

feat: 新增grpc h2 http 等支持

.github/workflows/docker.yaml

@@ -0,0 +1,61 @@
+name: Docker
+
+on:
+  push:
+    branches:
+      - Beta
+    tags:
+      - "v*"
+env:
+  REGISTRY: docker.io
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Setup Docker buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          version: latest
+
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ${{ env.REGISTRY }}/${{ secrets.DOCKERHUB_ACCOUNT }}/${{secrets.DOCKERHUB_REPO}}
+
+      - name: Log into registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.DOCKER_HUB_USER }}
+          password: ${{ secrets.DOCKER_HUB_TOKEN }}
+
+      # Build and push Docker image with Buildx (don't push on PR)
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          platforms: |
+            linux/386
+            linux/amd64
+            linux/arm64/v8
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/prerelease.yml

@@ -1,8 +1,15 @@
-name: Alpha
-on: [push]
+name: Prerelease
+on:
+  push:
+    branches:
+      - Alpha
+      - Beta
+  pull_request:
+    branches:
+      - Alpha
+      - Beta
 jobs:
-  Feature-build:
-    if: ${{ !contains(github.event.head_commit.message, '[Skip CI]') }}
+  Build:
     runs-on: ubuntu-latest
     steps:
       - name: Get latest go version
@@ -24,48 +31,40 @@ jobs:
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
           restore-keys: |
             ${{ runner.os }}-go-
-      #      - name: Get dependencies, run test
-      #        run: |
-      #          go test ./...
+
+
+      - name: Test
+        if: ${{github.ref_name=='Beta'}}
+        run: |
+          go test ./...
+
       - name: Build
         if: success()
         env:
           NAME: Clash.Meta
           BINDIR: bin
-        run: make -j releases
+        run: make -j$(($(nproc) + 1)) releases
 
       - name: Delete current release assets
         uses: andreaswilli/delete-release-assets-action@v2.0.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          tag: alpha
+          tag: Prerelease-${{ github.ref_name }}
           deleteOnlyFromDrafts: false
 
       - name: Tag Repo
         uses: richardsimko/update-tag@v1
         with:
-          tag_name: alpha
+          tag_name: Prerelease-${{ github.ref_name }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Upload Alpha
         uses: softprops/action-gh-release@v1
-        if: ${{ env.GIT_BRANCH != 'Meta' && success() }}
+        if: ${{  success() }}
         with:
-          tag: ${{ github.ref }}
-          tag_name: alpha
+          tag: ${{ github.ref_name }}
+          tag_name: Prerelease-${{ github.ref_name }}
           files: bin/*
           prerelease: true
-
-      - name: send telegram message on push
-        uses: appleboy/telegram-action@master
-        with:
-          to: ${{ secrets.TTELEGRAM_CHAT_ID }}
-          token: ${{ secrets.TELEGRAM_TOKEN }}
-          message: |
-            ${{ github.actor }} created commit:
-            Commit message: ${{ github.event.commits[0].message }}
-
-            Repository: ${{ github.repository }}
-
-            See changes: https://github.com/${{ github.repository }}/commit/${{github.sha}}
+          generate_release_notes: true

.github/workflows/release.yaml

@@ -0,0 +1,44 @@
+name: Release
+on:
+  push:
+    tags:
+      - "v*"
+jobs:
+  Build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get latest go version
+        id: version
+        run: |
+          echo ::set-output name=go_version::$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g')
+      - name: Setup Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ steps.version.outputs.go_version }}
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v3
+      - name: Cache go module
+        uses: actions/cache@v2
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+      - name: Test
+        run: |
+          go test ./...
+      - name: Build
+        if: success()
+        env:
+          NAME: Clash.Meta
+          BINDIR: bin
+        run: make -j$(($(nproc) + 1)) releases
+
+      - name: Upload Release
+        uses: softprops/action-gh-release@v1
+        if: ${{ success() && startsWith(github.ref, 'refs/tags/')}}
+        with:
+          tag: ${{ github.ref }}
+          files: bin/*
+          generate_release_notes: true

Dockerfile

@@ -1,18 +1,26 @@
 FROM golang:alpine as builder
 
 RUN apk add --no-cache make git && \
-    wget -O /Country.mmdb https://github.com/Dreamacro/maxmind-geoip/releases/latest/download/Country.mmdb
-WORKDIR /clash-src
-COPY --from=tonistiigi/xx:golang / /
+    mkdir /clash-config && \
+    wget -O /clash-config/Country.mmdb https://raw.githubusercontent.com/Loyalsoldier/geoip/release/Country.mmdb && \
+    wget -O /clash-config/geosite.dat https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat && \
+    wget -O /clash-config/geoip.dat https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat
+
+
 COPY . /clash-src
-RUN go mod download && \
-    make docker && \
-    mv ./bin/clash-docker /clash
+WORKDIR /clash-src
+RUN go mod download &&\
+    make docker &&\
+    mv ./bin/Clash.Meta-docker /clash
 
 FROM alpine:latest
-LABEL org.opencontainers.image.source="https://github.com/Dreamacro/clash"
+LABEL org.opencontainers.image.source="https://github.com/MetaCubeX/Clash.Meta"
 
 RUN apk add --no-cache ca-certificates tzdata
-COPY --from=builder /Country.mmdb /root/.config/clash/
-COPY --from=builder /clash /
-ENTRYPOINT ["/clash"]
+
+VOLUME ["/root/.config/clash/"]
+
+COPY --from=builder /clash-config/ /root/.config/clash/
+COPY --from=builder /clash /clash
+RUN chmod +x /clash
+ENTRYPOINT [ "/clash" ]

Makefile

@@ -1,20 +1,26 @@
 NAME=Clash.Meta
 BINDIR=bin
-BRANCH=$(shell git rev-parse --abbrev-ref HEAD)
+BRANCH=$(shell git branch --show-current)
+ifeq ($(BRANCH),Alpha)
 VERSION=alpha-$(shell git rev-parse --short HEAD)
+else ifeq ($(BRANCH),Beta)
+VERSION=beta-$(shell git rev-parse --short HEAD)
+else ifeq ($(BRANCH),)
+VERSION=$(shell git describe --tags)
+else
+VERSION=$(shell git rev-parse --short HEAD)
+endif
+
 BUILDTIME=$(shell date -u)
 GOBUILD=CGO_ENABLED=0 go build -trimpath -ldflags '-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \
 		-X "github.com/Dreamacro/clash/constant.BuildTime=$(BUILDTIME)" \
 		-w -s -buildid='
 
 PLATFORM_LIST = \
-	darwin-amd64v1 \
-	darwin-amd64v2 \
-	darwin-amd64v3 \
+	darwin-amd64 \
 	darwin-arm64 \
-	linux-amd64v1 \
-	linux-amd64v2 \
-	linux-amd64v3 \
+	linux-amd64-compatible \
+	linux-amd64 \
 	linux-armv5 \
 	linux-armv6 \
 	linux-armv7 \
@@ -32,9 +38,8 @@ PLATFORM_LIST = \
 
 WINDOWS_ARCH_LIST = \
 	windows-386 \
-	windows-amd64v1 \
-	windows-amd64v2 \
-	windows-amd64v3 \
+	windows-amd64-compatible \
+	windows-amd64 \
 	windows-arm64 \
     windows-arm32v7
 
@@ -43,32 +48,26 @@ all:linux-amd64 linux-arm64\
  	windows-amd64 windows-arm64\
 
 docker:
-	$(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+	GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-darwin-amd64v3:
+darwin-amd64:
 	GOARCH=amd64 GOOS=darwin GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-darwin-amd64v2:
+darwin-amd64-compatible:
 	GOARCH=amd64 GOOS=darwin GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-darwin-amd64v1:
-	GOARCH=amd64 GOOS=darwin GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
-
 darwin-arm64:
 	GOARCH=arm64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
 linux-386:
 	GOARCH=386 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-linux-amd64v3:
+linux-amd64:
 	GOARCH=amd64 GOOS=linux GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-linux-amd64v2:
+linux-amd64-compatible:
 	GOARCH=amd64 GOOS=linux GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-linux-amd64v1:
-	GOARCH=amd64 GOOS=linux GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
-
 linux-arm64:
 	GOARCH=arm64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
@@ -114,15 +113,12 @@ freebsd-arm64:
 windows-386:
 	GOARCH=386 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
-windows-amd64v3:
+windows-amd64:
 	GOARCH=amd64 GOOS=windows GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
-windows-amd64v2:
+windows-amd64-compatible:
 	GOARCH=amd64 GOOS=windows GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
-windows-amd64v1:
-	GOARCH=amd64 GOOS=windows GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
-
 windows-arm64:
 	GOARCH=arm64 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
@@ -150,4 +146,4 @@ lint:
 	golangci-lint run ./...
 
 clean:
-	rm $(BINDIR)/*
+	rm $(BINDIR)/*

adapter/adapter.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"net"
 	"net/http"
+	"net/netip"
 	"net/url"
 	"strings"
 	"time"
@@ -13,7 +14,6 @@ import (
 	"github.com/Dreamacro/clash/common/queue"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
-
 	"go.uber.org/atomic"
 )
 
@@ -64,9 +64,9 @@ func (p *Proxy) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 
 // DelayHistory implements C.Proxy
 func (p *Proxy) DelayHistory() []C.DelayHistory {
-	queue := p.history.Copy()
+	queueM := p.history.Copy()
 	histories := []C.DelayHistory{}
-	for _, item := range queue {
+	for _, item := range queueM {
 		histories = append(histories, item)
 	}
 	return histories
@@ -95,7 +95,7 @@ func (p *Proxy) MarshalJSON() ([]byte, error) {
 	}
 
 	mapping := map[string]any{}
-	json.Unmarshal(inner, &mapping)
+	_ = json.Unmarshal(inner, &mapping)
 	mapping["history"] = p.DelayHistory()
 	mapping["name"] = p.Name()
 	mapping["udp"] = p.SupportUDP()
@@ -129,7 +129,9 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
 	if err != nil {
 		return
 	}
-	defer instance.Close()
+	defer func() {
+		_ = instance.Close()
+	}()
 
 	req, err := http.NewRequest(http.MethodHead, url, nil)
 	if err != nil {
@@ -138,7 +140,7 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
 	req = req.WithContext(ctx)
 
 	transport := &http.Transport{
-		Dial: func(string, string) (net.Conn, error) {
+		DialContext: func(context.Context, string, string) (net.Conn, error) {
 			return instance, nil
 		},
 		// from http.DefaultTransport
@@ -167,8 +169,7 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
 			return
 		}
 	}
-
-	resp.Body.Close()
+	_ = resp.Body.Close()
 	t = uint16(time.Since(start) / time.Millisecond)
 	return
 }
@@ -199,7 +200,7 @@ func urlToMetadata(rawURL string) (addr C.Metadata, err error) {
 	addr = C.Metadata{
 		AddrType: C.AtypDomainName,
 		Host:     u.Hostname(),
-		DstIP:    nil,
+		DstIP:    netip.Addr{},
 		DstPort:  port,
 	}
 	return

adapter/inbound/https.go

@@ -11,7 +11,7 @@ import (
 // NewHTTPS receive CONNECT request and return ConnContext
 func NewHTTPS(request *http.Request, conn net.Conn) *context.ConnContext {
 	metadata := parseHTTPAddr(request)
-	metadata.Type = C.HTTPCONNECT
+	metadata.Type = C.HTTPS
 	if ip, port, err := parseAddr(conn.RemoteAddr().String()); err == nil {
 		metadata.SrcIP = ip
 		metadata.SrcPort = port

adapter/inbound/packet.go

@@ -2,7 +2,7 @@ package inbound
 
 import (
 	C "github.com/Dreamacro/clash/constant"
-	"github.com/Dreamacro/clash/transport/socks5"
+	M "github.com/sagernet/sing/common/metadata"
 )
 
 // PacketAdapter is a UDP Packet adapter for socks/redir/tun
@@ -17,8 +17,8 @@ func (s *PacketAdapter) Metadata() *C.Metadata {
 }
 
 // NewPacket is PacketAdapter generator
-func NewPacket(target socks5.Addr, packet C.UDPPacket, source C.Type) *PacketAdapter {
-	metadata := parseSocksAddr(target)
+func NewPacket(target M.Socksaddr, packet C.UDPPacket, source C.Type) *PacketAdapter {
+	metadata := socksAddrToMetadata(target)
 	metadata.NetWork = C.UDP
 	metadata.Type = source
 	if ip, port, err := parseAddr(packet.LocalAddr().String()); err == nil {

adapter/inbound/socket.go

@@ -2,6 +2,7 @@ package inbound
 
 import (
 	"net"
+	"net/netip"
 
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/context"
@@ -33,14 +34,15 @@ func NewInner(conn net.Conn, dst string, host string) *context.ConnContext {
 	metadata.Host = host
 	metadata.AddrType = C.AtypDomainName
 	metadata.Process = C.ClashName
-	if ip, port, err := parseAddr(dst); err == nil {
+	if h, port, err := net.SplitHostPort(dst); err == nil {
 		metadata.DstPort = port
 		if host == "" {
-			metadata.DstIP = ip
-			if ip.To4() == nil {
-				metadata.AddrType = C.AtypIPv6
-			} else {
+			if ip, err := netip.ParseAddr(h); err == nil {
+				metadata.DstIP = ip
 				metadata.AddrType = C.AtypIPv4
+				if ip.Is6() {
+					metadata.AddrType = C.AtypIPv6
+				}
 			}
 		}
 	}

adapter/inbound/util.go

@@ -3,13 +3,33 @@ package inbound
 import (
 	"net"
 	"net/http"
+	"net/netip"
 	"strconv"
 	"strings"
 
+	"github.com/Dreamacro/clash/common/nnip"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/socks5"
+	M "github.com/sagernet/sing/common/metadata"
 )
 
+func socksAddrToMetadata(addr M.Socksaddr) *C.Metadata {
+	metadata := &C.Metadata{}
+	switch addr.Family() {
+	case M.AddressFamilyIPv4:
+		metadata.AddrType = C.AtypIPv4
+		metadata.DstIP = addr.Addr
+	case M.AddressFamilyIPv6:
+		metadata.AddrType = C.AtypIPv6
+		metadata.DstIP = addr.Addr
+	case M.AddressFamilyFqdn:
+		metadata.AddrType = C.AtypDomainName
+		metadata.Host = addr.Fqdn
+	}
+	metadata.DstPort = strconv.Itoa(int(addr.Port))
+	return metadata
+}
+
 func parseSocksAddr(target socks5.Addr) *C.Metadata {
 	metadata := &C.Metadata{
 		AddrType: int(target[0]),
@@ -21,12 +41,10 @@ func parseSocksAddr(target socks5.Addr) *C.Metadata {
 		metadata.Host = strings.TrimRight(string(target[2:2+target[1]]), ".")
 		metadata.DstPort = strconv.Itoa((int(target[2+target[1]]) << 8) | int(target[2+target[1]+1]))
 	case socks5.AtypIPv4:
-		ip := net.IP(target[1 : 1+net.IPv4len])
-		metadata.DstIP = ip
+		metadata.DstIP = nnip.IpToAddr(net.IP(target[1 : 1+net.IPv4len]))
 		metadata.DstPort = strconv.Itoa((int(target[1+net.IPv4len]) << 8) | int(target[1+net.IPv4len+1]))
 	case socks5.AtypIPv6:
-		ip := net.IP(target[1 : 1+net.IPv6len])
-		metadata.DstIP = ip
+		metadata.DstIP = nnip.IpToAddr(net.IP(target[1 : 1+net.IPv6len]))
 		metadata.DstPort = strconv.Itoa((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1]))
 	}
 
@@ -47,14 +65,14 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
 		NetWork:  C.TCP,
 		AddrType: C.AtypDomainName,
 		Host:     host,
-		DstIP:    nil,
+		DstIP:    netip.Addr{},
 		DstPort:  port,
 	}
 
-	ip := net.ParseIP(host)
-	if ip != nil {
+	ip, err := netip.ParseAddr(host)
+	if err == nil {
 		switch {
-		case ip.To4() == nil:
+		case ip.Is6():
 			metadata.AddrType = C.AtypIPv6
 		default:
 			metadata.AddrType = C.AtypIPv4
@@ -65,12 +83,12 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
 	return metadata
 }
 
-func parseAddr(addr string) (net.IP, string, error) {
+func parseAddr(addr string) (netip.Addr, string, error) {
 	host, port, err := net.SplitHostPort(addr)
 	if err != nil {
-		return nil, "", err
+		return netip.Addr{}, "", err
 	}
 
-	ip := net.ParseIP(host)
-	return ip, port, nil
+	ip, err := netip.ParseAddr(host)
+	return ip, port, err
 }

adapter/outbound/base.go

@@ -5,9 +5,15 @@ import (
 	"encoding/json"
 	"errors"
 	"net"
+	"strings"
 
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/gofrs/uuid"
+	"github.com/sagernet/sing/common/buf"
+	"github.com/sagernet/sing/common/bufio"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
 )
 
 type Base struct {
@@ -17,6 +23,7 @@ type Base struct {
 	tp    C.AdapterType
 	udp   bool
 	rmark int
+	id    string
 }
 
 // Name implements C.ProxyAdapter
@@ -24,6 +31,20 @@ func (b *Base) Name() string {
 	return b.name
 }
 
+// Id implements C.ProxyAdapter
+func (b *Base) Id() string {
+	if b.id == "" {
+		id, err := uuid.NewV6()
+		if err != nil {
+			b.id = b.name
+		} else {
+			b.id = id.String()
+		}
+	}
+
+	return b.id
+}
+
 // Type implements C.ProxyAdapter
 func (b *Base) Type() C.AdapterType {
 	return b.tp
@@ -34,11 +55,25 @@ func (b *Base) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	return c, errors.New("no support")
 }
 
+func (b *Base) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
+	return nil, errors.New("no support")
+}
+
 // ListenPacketContext implements C.ProxyAdapter
 func (b *Base) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
 	return nil, errors.New("no support")
 }
 
+// ListenPacketOnStreamConn implements C.ProxyAdapter
+func (b *Base) ListenPacketOnStreamConn(c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	return nil, errors.New("no support")
+}
+
+// SupportUOT implements C.ProxyAdapter
+func (b *Base) SupportUOT() bool {
+	return false
+}
+
 // SupportUDP implements C.ProxyAdapter
 func (b *Base) SupportUDP() bool {
 	return b.udp
@@ -48,6 +83,7 @@ func (b *Base) SupportUDP() bool {
 func (b *Base) MarshalJSON() ([]byte, error) {
 	return json.Marshal(map[string]string{
 		"type": b.Type().String(),
+		"id":   b.Id(),
 	})
 }
 
@@ -101,7 +137,12 @@ func NewBase(opt BaseOption) *Base {
 
 type conn struct {
 	net.Conn
-	chain C.Chain
+	chain                   C.Chain
+	actualRemoteDestination string
+}
+
+func (c *conn) RemoteDestination() string {
+	return c.actualRemoteDestination
 }
 
 // Chains implements C.Connection
@@ -115,12 +156,18 @@ func (c *conn) AppendToChains(a C.ProxyAdapter) {
 }
 
 func NewConn(c net.Conn, a C.ProxyAdapter) C.Conn {
-	return &conn{c, []string{a.Name()}}
+	return &conn{c, []string{a.Name()}, parseRemoteDestination(a.Addr())}
 }
 
 type packetConn struct {
 	net.PacketConn
-	chain C.Chain
+	nc                      N.PacketConn
+	chain                   C.Chain
+	actualRemoteDestination string
+}
+
+func (c *packetConn) RemoteDestination() string {
+	return c.actualRemoteDestination
 }
 
 // Chains implements C.Connection
@@ -133,6 +180,32 @@ func (c *packetConn) AppendToChains(a C.ProxyAdapter) {
 	c.chain = append(c.chain, a.Name())
 }
 
-func newPacketConn(pc net.PacketConn, a C.ProxyAdapter) C.PacketConn {
-	return &packetConn{pc, []string{a.Name()}}
+func (c *packetConn) ReadPacket(buffer *buf.Buffer) (addr M.Socksaddr, err error) {
+	return c.nc.ReadPacket(buffer)
+}
+
+func (c *packetConn) WritePacket(buffer *buf.Buffer, addr M.Socksaddr) error {
+	return c.nc.WritePacket(buffer, addr)
+}
+
+func newPacketConn(pc net.PacketConn, a C.ProxyAdapter) C.PacketConn {
+	var nc N.PacketConn
+	if n, isNc := pc.(N.PacketConn); isNc {
+		nc = n
+	} else {
+		nc = &bufio.PacketConnWrapper{PacketConn: pc}
+	}
+	return &packetConn{pc, nc, []string{a.Name()}, parseRemoteDestination(a.Addr())}
+}
+
+func parseRemoteDestination(addr string) string {
+	if dst, _, err := net.SplitHostPort(addr); err == nil {
+		return dst
+	} else {
+		if addrError, ok := err.(*net.AddrError); ok && strings.Contains(addrError.Err, "missing port") {
+			return dst
+		} else {
+			return ""
+		}
+	}
 }

adapter/outbound/direct.go

@@ -56,13 +56,3 @@ func NewCompatible() *Direct {
 		},
 	}
 }
-
-func NewPass() *Direct {
-	return &Direct{
-		Base: &Base{
-			name: "PASS",
-			tp:   C.Pass,
-			udp:  true,
-		},
-	}
-}

adapter/outbound/http.go

@@ -86,7 +86,7 @@ func (h *Http) shakeHand(metadata *C.Metadata, rw io.ReadWriter) error {
 		},
 	}
 
-	//增加headers
+	// 增加headers
 	if len(h.option.Headers) != 0 {
 		for key, value := range h.option.Headers {
 			req.Header.Add(key, value)

adapter/outbound/hysteria.go

@@ -0,0 +1,270 @@
+package outbound
+
+import (
+	"context"
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"net"
+	"regexp"
+	"strconv"
+	"time"
+
+	"github.com/Dreamacro/clash/component/dialer"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/log"
+	"github.com/lucas-clemente/quic-go"
+	"github.com/lucas-clemente/quic-go/congestion"
+	M "github.com/sagernet/sing/common/metadata"
+	hyCongestion "github.com/tobyxdd/hysteria/pkg/congestion"
+	"github.com/tobyxdd/hysteria/pkg/core"
+	"github.com/tobyxdd/hysteria/pkg/obfs"
+	"github.com/tobyxdd/hysteria/pkg/pmtud_fix"
+	"github.com/tobyxdd/hysteria/pkg/transport"
+)
+
+const (
+	mbpsToBps   = 125000
+	minSpeedBPS = 16384
+
+	DefaultStreamReceiveWindow     = 15728640 // 15 MB/s
+	DefaultConnectionReceiveWindow = 67108864 // 64 MB/s
+	DefaultMaxIncomingStreams      = 1024
+
+	DefaultALPN     = "hysteria"
+	DefaultProtocol = "udp"
+)
+
+var rateStringRegexp = regexp.MustCompile(`^(\d+)\s*([KMGT]?)([Bb])ps$`)
+
+type Hysteria struct {
+	*Base
+
+	client          *core.Client
+	clientTransport *transport.ClientTransport
+}
+
+func (h *Hysteria) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
+	tcpConn, err := h.client.DialTCP(metadata.RemoteAddress(), hyDialer(func() (net.PacketConn, error) {
+		return dialer.ListenPacket(ctx, "udp", "", h.Base.DialOptions(opts...)...)
+	}))
+	if err != nil {
+		return nil, err
+	}
+	return NewConn(tcpConn, h), nil
+}
+
+func (h *Hysteria) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
+	udpConn, err := h.client.DialUDP(hyDialer(func() (net.PacketConn, error) {
+		return dialer.ListenPacket(ctx, "udp", "", h.Base.DialOptions(opts...)...)
+	}))
+	if err != nil {
+		return nil, err
+	}
+	return newPacketConn(&hyPacketConn{udpConn}, h), nil
+}
+
+type HysteriaOption struct {
+	BasicOption
+	Name                string `proxy:"name"`
+	Server              string `proxy:"server"`
+	Port                int    `proxy:"port"`
+	Protocol            string `proxy:"protocol,omitempty"`
+	Up                  string `proxy:"up,omitempty"`
+	UpMbps              int    `proxy:"up_mbps,omitempty"`
+	Down                string `proxy:"down,omitempty"`
+	DownMbps            int    `proxy:"down_mbps,omitempty"`
+	Auth                string `proxy:"auth,omitempty"`
+	AuthString          string `proxy:"auth_str,omitempty"`
+	Obfs                string `proxy:"obfs,omitempty"`
+	SNI                 string `proxy:"sni,omitempty"`
+	SkipCertVerify      bool   `proxy:"skip-cert-verify,omitempty"`
+	ALPN                string `proxy:"alpn,omitempty"`
+	CustomCA            string `proxy:"ca,omitempty"`
+	CustomCAString      string `proxy:"ca_str,omitempty"`
+	ReceiveWindowConn   int    `proxy:"recv_window_conn,omitempty"`
+	ReceiveWindow       int    `proxy:"recv_window,omitempty"`
+	DisableMTUDiscovery bool   `proxy:"disable_mtu_discovery,omitempty"`
+}
+
+func (c *HysteriaOption) Speed() (uint64, uint64, error) {
+	var up, down uint64
+	if len(c.Up) > 0 {
+		up = stringToBps(c.Up)
+		if up == 0 {
+			return 0, 0, errors.New("invalid speed format")
+		}
+	} else {
+		up = uint64(c.UpMbps) * mbpsToBps
+	}
+	if len(c.Down) > 0 {
+		down = stringToBps(c.Down)
+		if down == 0 {
+			return 0, 0, errors.New("invalid speed format")
+		}
+	} else {
+		down = uint64(c.DownMbps) * mbpsToBps
+	}
+	return up, down, nil
+}
+
+func NewHysteria(option HysteriaOption) (*Hysteria, error) {
+	clientTransport := &transport.ClientTransport{
+		Dialer: &net.Dialer{
+			Timeout: 8 * time.Second,
+		},
+	}
+
+	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
+	serverName := option.Server
+	if option.SNI != "" {
+		serverName = option.Server
+	}
+	tlsConfig := &tls.Config{
+		ServerName:         serverName,
+		InsecureSkipVerify: option.SkipCertVerify,
+		MinVersion:         tls.VersionTLS13,
+	}
+	if len(option.ALPN) > 0 {
+		tlsConfig.NextProtos = []string{option.ALPN}
+	} else {
+		tlsConfig.NextProtos = []string{DefaultALPN}
+	}
+	if len(option.CustomCA) > 0 {
+		bs, err := ioutil.ReadFile(option.CustomCA)
+		if err != nil {
+			return nil, fmt.Errorf("hysteria %s load ca error: %w", addr, err)
+		}
+		cp := x509.NewCertPool()
+		if !cp.AppendCertsFromPEM(bs) {
+			return nil, fmt.Errorf("hysteria %s failed to parse ca_str", addr)
+		}
+		tlsConfig.RootCAs = cp
+	} else if option.CustomCAString != "" {
+		cp := x509.NewCertPool()
+		if !cp.AppendCertsFromPEM([]byte(option.CustomCAString)) {
+			return nil, fmt.Errorf("hysteria %s failed to parse ca_str", addr)
+		}
+		tlsConfig.RootCAs = cp
+	}
+	quicConfig := &quic.Config{
+		InitialStreamReceiveWindow:     uint64(option.ReceiveWindowConn),
+		MaxStreamReceiveWindow:         uint64(option.ReceiveWindowConn),
+		InitialConnectionReceiveWindow: uint64(option.ReceiveWindow),
+		MaxConnectionReceiveWindow:     uint64(option.ReceiveWindow),
+		KeepAlive:                      true,
+		DisablePathMTUDiscovery:        option.DisableMTUDiscovery,
+		EnableDatagrams:                true,
+	}
+	if option.Protocol == "" {
+		option.Protocol = DefaultProtocol
+	}
+	if option.ReceiveWindowConn == 0 {
+		quicConfig.InitialStreamReceiveWindow = DefaultStreamReceiveWindow
+		quicConfig.MaxStreamReceiveWindow = DefaultStreamReceiveWindow
+	}
+	if option.ReceiveWindow == 0 {
+		quicConfig.InitialConnectionReceiveWindow = DefaultConnectionReceiveWindow
+		quicConfig.MaxConnectionReceiveWindow = DefaultConnectionReceiveWindow
+	}
+	if !quicConfig.DisablePathMTUDiscovery && pmtud_fix.DisablePathMTUDiscovery {
+		log.Infoln("hysteria: Path MTU Discovery is not yet supported on this platform")
+	}
+	var auth []byte
+	if option.Auth != "" {
+		authBytes, err := base64.StdEncoding.DecodeString(option.Auth)
+		if err != nil {
+			return nil, fmt.Errorf("hysteria %s parse auth error: %w", addr, err)
+		}
+		auth = authBytes
+	} else {
+		auth = []byte(option.AuthString)
+	}
+	var obfuscator obfs.Obfuscator
+	if len(option.Obfs) > 0 {
+		obfuscator = obfs.NewXPlusObfuscator([]byte(option.Obfs))
+	}
+	up, down, _ := option.Speed()
+	client, err := core.NewClient(
+		addr, option.Protocol, auth, tlsConfig, quicConfig, clientTransport, up, down, func(refBPS uint64) congestion.CongestionControl {
+			return hyCongestion.NewBrutalSender(congestion.ByteCount(refBPS))
+		}, obfuscator,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("hysteria %s create error: %w", addr, err)
+	}
+	return &Hysteria{
+		Base: &Base{
+			name:  option.Name,
+			addr:  addr,
+			tp:    C.Hysteria,
+			udp:   true,
+			iface: option.Interface,
+			rmark: option.RoutingMark,
+		},
+		client:          client,
+		clientTransport: clientTransport,
+	}, nil
+}
+
+func stringToBps(s string) uint64 {
+	if s == "" {
+		return 0
+	}
+	m := rateStringRegexp.FindStringSubmatch(s)
+	if m == nil {
+		return 0
+	}
+	var n uint64
+	switch m[2] {
+	case "K":
+		n = 1 << 10
+	case "M":
+		n = 1 << 20
+	case "G":
+		n = 1 << 30
+	case "T":
+		n = 1 << 40
+	default:
+		n = 1
+	}
+	v, _ := strconv.ParseUint(m[1], 10, 64)
+	n = v * n
+	if m[3] == "b" {
+		// Bits, need to convert to bytes
+		n = n >> 3
+	}
+	return n
+}
+
+type hyPacketConn struct {
+	core.UDPConn
+}
+
+func (c *hyPacketConn) ReadFrom(p []byte) (n int, addr net.Addr, err error) {
+	b, addrStr, err := c.UDPConn.ReadFrom()
+	if err != nil {
+		return
+	}
+	n = copy(p, b)
+	addr = M.ParseSocksaddr(addrStr).UDPAddr()
+	return
+}
+
+func (c *hyPacketConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
+	err = c.UDPConn.WriteTo(p, M.SocksaddrFromNet(addr).String())
+	if err != nil {
+		return
+	}
+	n = len(p)
+	return
+}
+
+type hyDialer func() (net.PacketConn, error)
+
+func (h hyDialer) ListenPacket() (net.PacketConn, error) {
+	return h()
+}

adapter/outbound/reject.go

@@ -34,6 +34,16 @@ func NewReject() *Reject {
 	}
 }
 
+func NewPass() *Reject {
+	return &Reject{
+		Base: &Base{
+			name: "PASS",
+			tp:   C.Pass,
+			udp:  true,
+		},
+	}
+}
+
 type nopConn struct{}
 
 func (rw *nopConn) Read(b []byte) (int, error) {

adapter/outbound/shadowsocks.go

@@ -13,13 +13,15 @@ import (
 	obfs "github.com/Dreamacro/clash/transport/simple-obfs"
 	"github.com/Dreamacro/clash/transport/socks5"
 	v2rayObfs "github.com/Dreamacro/clash/transport/v2ray-plugin"
-
-	"github.com/Dreamacro/go-shadowsocks2/core"
+	"github.com/sagernet/sing-shadowsocks"
+	"github.com/sagernet/sing-shadowsocks/shadowimpl"
+	"github.com/sagernet/sing/common/bufio"
+	M "github.com/sagernet/sing/common/metadata"
 )
 
 type ShadowSocks struct {
 	*Base
-	cipher core.Cipher
+	method shadowsocks.Method
 
 	// obfs
 	obfsMode    string
@@ -69,9 +71,7 @@ func (ss *ShadowSocks) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, e
 			return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 		}
 	}
-	c = ss.cipher.StreamConn(c)
-	_, err := c.Write(serializesSocksAddr(metadata))
-	return c, err
+	return ss.method.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
 }
 
 // DialContext implements C.ProxyAdapter
@@ -100,16 +100,13 @@ func (ss *ShadowSocks) ListenPacketContext(ctx context.Context, metadata *C.Meta
 		pc.Close()
 		return nil, err
 	}
-
-	pc = ss.cipher.PacketConn(pc)
-	return newPacketConn(&ssPacketConn{PacketConn: pc, rAddr: addr}, ss), nil
+	pc = ss.method.DialPacketConn(&bufio.BindPacketConn{PacketConn: pc, Addr: addr})
+	return newPacketConn(pc, ss), nil
 }
 
 func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
-	cipher := option.Cipher
-	password := option.Password
-	ciph, err := core.PickCipher(cipher, nil, password)
+	method, err := shadowimpl.FetchMethod(option.Cipher, option.Password)
 	if err != nil {
 		return nil, fmt.Errorf("ss %s initialize error: %w", addr, err)
 	}
@@ -162,7 +159,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 			iface: option.Interface,
 			rmark: option.RoutingMark,
 		},
-		cipher: ciph,
+		method: method,
 
 		obfsMode:    obfsMode,
 		v2rayOption: v2rayOption,

adapter/outbound/shadowsocksr.go

@@ -8,12 +8,11 @@ import (
 
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/transport/shadowsocks/core"
+	"github.com/Dreamacro/clash/transport/shadowsocks/shadowaead"
+	"github.com/Dreamacro/clash/transport/shadowsocks/shadowstream"
 	"github.com/Dreamacro/clash/transport/ssr/obfs"
 	"github.com/Dreamacro/clash/transport/ssr/protocol"
-
-	"github.com/Dreamacro/go-shadowsocks2/core"
-	"github.com/Dreamacro/go-shadowsocks2/shadowaead"
-	"github.com/Dreamacro/go-shadowsocks2/shadowstream"
 )
 
 type ShadowSocksR struct {
@@ -92,6 +91,12 @@ func (ssr *ShadowSocksR) ListenPacketContext(ctx context.Context, metadata *C.Me
 }
 
 func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
+	// SSR protocol compatibility
+	// https://github.com/Dreamacro/clash/pull/2056
+	if option.Cipher == "none" {
+		option.Cipher = "dummy"
+	}
+
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
 	cipher := option.Cipher
 	password := option.Password
@@ -103,13 +108,14 @@ func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
 		ivSize int
 		key    []byte
 	)
+
 	if option.Cipher == "dummy" {
 		ivSize = 0
 		key = core.Kdf(option.Password, 16)
 	} else {
 		ciph, ok := coreCiph.(*core.StreamCipher)
 		if !ok {
-			return nil, fmt.Errorf("%s is not dummy or a supported stream cipher in ssr", cipher)
+			return nil, fmt.Errorf("%s is not none or a supported stream cipher in ssr", cipher)
 		}
 		ivSize = ciph.IVSize()
 		key = ciph.Key

adapter/outbound/snell.go

@@ -53,6 +53,10 @@ func streamConn(c net.Conn, option streamOption) *snell.Snell {
 // StreamConn implements C.ProxyAdapter
 func (s *Snell) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	c = streamConn(c, streamOption{s.psk, s.version, s.addr, s.obfsOption})
+	if metadata.NetWork == C.UDP {
+		err := snell.WriteUDPHeader(c, s.version)
+		return c, err
+	}
 	port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
 	err := snell.WriteHeader(c, metadata.String(), uint(port), s.version)
 	return c, err
@@ -104,6 +108,17 @@ func (s *Snell) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 	return newPacketConn(pc, s), nil
 }
 
+// ListenPacketOnStreamConn implements C.ProxyAdapter
+func (s *Snell) ListenPacketOnStreamConn(c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	pc := snell.PacketConn(c)
+	return newPacketConn(pc, s), nil
+}
+
+// SupportUOT implements C.ProxyAdapter
+func (s *Snell) SupportUOT() bool {
+	return true
+}
+
 func NewSnell(option SnellOption) (*Snell, error) {
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
 	psk := []byte(option.Psk)

adapter/outbound/trojan.go

@@ -13,8 +13,6 @@ import (
 	"github.com/Dreamacro/clash/transport/gun"
 	"github.com/Dreamacro/clash/transport/trojan"
 	"github.com/Dreamacro/clash/transport/vless"
-
-	"golang.org/x/net/http2"
 )
 
 type Trojan struct {
@@ -25,7 +23,7 @@ type Trojan struct {
 	// for gun mux
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
-	transport    *http2.Transport
+	transport    *gun.TransportWrap
 }
 
 type TrojanOption struct {
@@ -90,6 +88,10 @@ func (t *Trojan) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error)
 		return nil, err
 	}
 
+	if metadata.NetWork == C.UDP {
+		err = t.instance.WriteHeader(c, trojan.CommandUDP, serializesSocksAddr(metadata))
+		return c, err
+	}
 	err = t.instance.WriteHeader(c, trojan.CommandTCP, serializesSocksAddr(metadata))
 	return c, err
 }
@@ -166,6 +168,17 @@ func (t *Trojan) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 	return newPacketConn(pc, t), err
 }
 
+// ListenPacketOnStreamConn implements C.ProxyAdapter
+func (t *Trojan) ListenPacketOnStreamConn(c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	pc := t.instance.PacketConn(c)
+	return newPacketConn(pc, t), err
+}
+
+// SupportUOT implements C.ProxyAdapter
+func (t *Trojan) SupportUOT() bool {
+	return true
+}
+
 func NewTrojan(option TrojanOption) (*Trojan, error) {
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
 

adapter/outbound/util.go

@@ -3,7 +3,6 @@ package outbound
 import (
 	"bytes"
 	"crypto/tls"
-	xtls "github.com/xtls/go"
 	"net"
 	"strconv"
 	"sync"
@@ -12,6 +11,7 @@ import (
 	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/socks5"
+	xtls "github.com/xtls/go"
 )
 
 var (
@@ -22,8 +22,8 @@ var (
 
 func tcpKeepAlive(c net.Conn) {
 	if tcp, ok := c.(*net.TCPConn); ok {
-		tcp.SetKeepAlive(true)
-		tcp.SetKeepAlivePeriod(30 * time.Second)
+		_ = tcp.SetKeepAlive(true)
+		_ = tcp.SetKeepAlivePeriod(30 * time.Second)
 	}
 }
 
@@ -48,14 +48,14 @@ func serializesSocksAddr(metadata *C.Metadata) []byte {
 	port := []byte{uint8(p >> 8), uint8(p & 0xff)}
 	switch metadata.AddrType {
 	case socks5.AtypDomainName:
-		len := uint8(len(metadata.Host))
+		lenM := uint8(len(metadata.Host))
 		host := []byte(metadata.Host)
-		buf = [][]byte{{aType, len}, host, port}
+		buf = [][]byte{{aType, lenM}, host, port}
 	case socks5.AtypIPv4:
-		host := metadata.DstIP.To4()
+		host := metadata.DstIP.AsSlice()
 		buf = [][]byte{{aType}, host, port}
 	case socks5.AtypIPv6:
-		host := metadata.DstIP.To16()
+		host := metadata.DstIP.AsSlice()
 		buf = [][]byte{{aType}, host, port}
 	}
 	return bytes.Join(buf, nil)
@@ -76,6 +76,6 @@ func resolveUDPAddr(network, address string) (*net.UDPAddr, error) {
 
 func safeConnClose(c net.Conn, err error) {
 	if err != nil {
-		c.Close()
+		_ = c.Close()
 	}
 }

adapter/outbound/vless.go

@@ -12,14 +12,13 @@ import (
 	"strconv"
 	"sync"
 
+	"github.com/Dreamacro/clash/common/convert"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/gun"
 	"github.com/Dreamacro/clash/transport/vless"
 	"github.com/Dreamacro/clash/transport/vmess"
-
-	"golang.org/x/net/http2"
 )
 
 const (
@@ -35,7 +34,7 @@ type Vless struct {
 	// for gun mux
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
-	transport    *http2.Transport
+	transport    *gun.TransportWrap
 }
 
 type VlessOption struct {
@@ -92,6 +91,9 @@ func (v *Vless) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 			wsOpts.TLSConfig.ServerName = v.option.ServerName
 		} else if host := wsOpts.Headers.Get("Host"); host != "" {
 			wsOpts.TLSConfig.ServerName = host
+		} else {
+			wsOpts.Headers.Set("Host", convert.RandHost())
+			convert.SetUserAgent(wsOpts.Headers)
 		}
 		c, err = vmess.StreamWebsocketConn(c, wsOpts)
 	case "http":
@@ -249,26 +251,36 @@ func (v *Vless) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 		return nil, fmt.Errorf("new vless client error: %v", err)
 	}
 
+	return v.ListenPacketOnStreamConn(c, metadata)
+}
+
+// ListenPacketOnStreamConn implements C.ProxyAdapter
+func (v *Vless) ListenPacketOnStreamConn(c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
 	return newPacketConn(&vlessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}, v), nil
 }
 
+// SupportUOT implements C.ProxyAdapter
+func (v *Vless) SupportUOT() bool {
+	return true
+}
+
 func parseVlessAddr(metadata *C.Metadata) *vless.DstAddr {
 	var addrType byte
 	var addr []byte
 	switch metadata.AddrType {
 	case C.AtypIPv4:
-		addrType = byte(vless.AtypIPv4)
+		addrType = vless.AtypIPv4
 		addr = make([]byte, net.IPv4len)
-		copy(addr[:], metadata.DstIP.To4())
+		copy(addr[:], metadata.DstIP.AsSlice())
 	case C.AtypIPv6:
-		addrType = byte(vless.AtypIPv6)
+		addrType = vless.AtypIPv6
 		addr = make([]byte, net.IPv6len)
-		copy(addr[:], metadata.DstIP.To16())
+		copy(addr[:], metadata.DstIP.AsSlice())
 	case C.AtypDomainName:
-		addrType = byte(vless.AtypDomainName)
+		addrType = vless.AtypDomainName
 		addr = make([]byte, len(metadata.Host)+1)
 		addr[0] = byte(len(metadata.Host))
-		copy(addr[1:], []byte(metadata.Host))
+		copy(addr[1:], metadata.Host)
 	}
 
 	port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)

adapter/outbound/vmess.go

@@ -10,13 +10,12 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/Dreamacro/clash/common/convert"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/gun"
 	"github.com/Dreamacro/clash/transport/vmess"
-
-	"golang.org/x/net/http2"
 )
 
 type Vmess struct {
@@ -27,7 +26,7 @@ type Vmess struct {
 	// for gun mux
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
-	transport    *http2.Transport
+	transport    *gun.TransportWrap
 }
 
 type VmessOption struct {
@@ -80,12 +79,6 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	var err error
 	switch v.option.Network {
 	case "ws":
-		if v.option.WSOpts.Path == "" {
-			v.option.WSOpts.Path = v.option.WSPath
-		}
-		if len(v.option.WSOpts.Headers) == 0 {
-			v.option.WSOpts.Headers = v.option.WSHeaders
-		}
 
 		host, port, _ := net.SplitHostPort(v.addr)
 		wsOpts := &vmess.WebsocketConfig{
@@ -94,14 +87,13 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 			Path:                v.option.WSOpts.Path,
 			MaxEarlyData:        v.option.WSOpts.MaxEarlyData,
 			EarlyDataHeaderName: v.option.WSOpts.EarlyDataHeaderName,
+			Headers:             make(http.Header),
 		}
 
 		if len(v.option.WSOpts.Headers) != 0 {
-			header := http.Header{}
 			for key, value := range v.option.WSOpts.Headers {
-				header.Add(key, value)
+				wsOpts.Headers.Add(key, value)
 			}
-			wsOpts.Headers = header
 		}
 
 		if v.option.TLS {
@@ -116,6 +108,9 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 			} else if host := wsOpts.Headers.Get("Host"); host != "" {
 				wsOpts.TLSConfig.ServerName = host
 			}
+		} else {
+			wsOpts.Headers.Set("Host", convert.RandHost())
+			convert.SetUserAgent(wsOpts.Headers)
 		}
 		c, err = vmess.StreamWebsocketConn(c, wsOpts)
 	case "http":
@@ -135,6 +130,9 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 			if err != nil {
 				return nil, err
 			}
+		} else {
+			http.Header(v.option.HTTPOpts.Headers).Set("Host", convert.RandHost())
+			convert.SetUserAgent(v.option.HTTPOpts.Headers)
 		}
 
 		host, _, _ := net.SplitHostPort(v.addr)
@@ -260,9 +258,19 @@ func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 		return nil, fmt.Errorf("new vmess client error: %v", err)
 	}
 
+	return v.ListenPacketOnStreamConn(c, metadata)
+}
+
+// ListenPacketOnStreamConn implements C.ProxyAdapter
+func (v *Vmess) ListenPacketOnStreamConn(c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
 	return newPacketConn(&vmessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}, v), nil
 }
 
+// SupportUOT implements C.ProxyAdapter
+func (v *Vmess) SupportUOT() bool {
+	return true
+}
+
 func NewVmess(option VmessOption) (*Vmess, error) {
 	security := strings.ToLower(option.Cipher)
 	client, err := vmess.NewClient(vmess.Config{
@@ -342,11 +350,11 @@ func parseVmessAddr(metadata *C.Metadata) *vmess.DstAddr {
 	case C.AtypIPv4:
 		addrType = byte(vmess.AtypIPv4)
 		addr = make([]byte, net.IPv4len)
-		copy(addr[:], metadata.DstIP.To4())
+		copy(addr[:], metadata.DstIP.AsSlice())
 	case C.AtypIPv6:
 		addrType = byte(vmess.AtypIPv6)
 		addr = make([]byte, net.IPv6len)
-		copy(addr[:], metadata.DstIP.To16())
+		copy(addr[:], metadata.DstIP.AsSlice())
 	case C.AtypDomainName:
 		addrType = byte(vmess.AtypDomainName)
 		addr = make([]byte, len(metadata.Host)+1)

adapter/outboundgroup/common.go

@@ -1,55 +0,0 @@
-package outboundgroup
-
-import (
-	"github.com/Dreamacro/clash/tunnel"
-	"github.com/dlclark/regexp2"
-	"time"
-
-	C "github.com/Dreamacro/clash/constant"
-	"github.com/Dreamacro/clash/constant/provider"
-)
-
-const (
-	defaultGetProxiesDuration = time.Second * 5
-)
-
-func getProvidersProxies(providers []provider.ProxyProvider, touch bool, filter string) []C.Proxy {
-	proxies := []C.Proxy{}
-	for _, provider := range providers {
-		if touch {
-			proxies = append(proxies, provider.ProxiesWithTouch()...)
-		} else {
-			proxies = append(proxies, provider.Proxies()...)
-		}
-	}
-
-	var filterReg *regexp2.Regexp = nil
-	var matchedProxies []C.Proxy
-	if len(filter) > 0 {
-		//filterReg = regexp.MustCompile(filter)
-		filterReg = regexp2.MustCompile(filter, 0)
-		for _, p := range proxies {
-			if p.Type() < 8 {
-				matchedProxies = append(matchedProxies, p)
-			}
-
-			//if filterReg.MatchString(p.Name()) {
-			if mat, _ := filterReg.FindStringMatch(p.Name()); mat != nil {
-				matchedProxies = append(matchedProxies, p)
-			}
-		}
-
-		if len(matchedProxies) > 0 {
-			return matchedProxies
-		} else {
-			return append([]C.Proxy{}, tunnel.Proxies()["COMPATIBLE"])
-		}
-	} else {
-		if len(proxies) == 0 {
-			return append(proxies, tunnel.Proxies()["COMPATIBLE"])
-		} else {
-			return proxies
-		}
-	}
-
-}

adapter/outboundgroup/fallback.go

@@ -3,25 +3,20 @@ package outboundgroup
 import (
 	"context"
 	"encoding/json"
-	"github.com/Dreamacro/clash/log"
-	"go.uber.org/atomic"
+	"errors"
 	"time"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
-	"github.com/Dreamacro/clash/common/singledo"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
 )
 
 type Fallback struct {
-	*outbound.Base
-	disableUDP  bool
-	filter      string
-	single      *singledo.Single
-	providers   []provider.ProxyProvider
-	failedTimes *atomic.Int32
-	failedTime  *atomic.Int64
+	*GroupBase
+	disableUDP bool
+	testUrl    string
+	selected   string
 }
 
 func (f *Fallback) Now() string {
@@ -35,8 +30,7 @@ func (f *Fallback) DialContext(ctx context.Context, metadata *C.Metadata, opts .
 	c, err := proxy.DialContext(ctx, metadata, f.Base.DialOptions(opts...)...)
 	if err == nil {
 		c.AppendToChains(f)
-		f.failedTimes.Store(-1)
-		f.failedTime.Store(-1)
+		f.onDialSuccess()
 	} else {
 		f.onDialFailed()
 	}
@@ -50,41 +44,11 @@ func (f *Fallback) ListenPacketContext(ctx context.Context, metadata *C.Metadata
 	pc, err := proxy.ListenPacketContext(ctx, metadata, f.Base.DialOptions(opts...)...)
 	if err == nil {
 		pc.AppendToChains(f)
-		f.failedTimes.Store(-1)
-		f.failedTime.Store(-1)
-	} else {
-		f.onDialFailed()
 	}
 
 	return pc, err
 }
 
-func (f *Fallback) onDialFailed() {
-	if f.failedTime.Load() == -1 {
-		log.Warnln("%s first failed", f.Name())
-		now := time.Now().UnixMilli()
-		f.failedTime.Store(now)
-		f.failedTimes.Store(1)
-	} else {
-		if f.failedTime.Load()-time.Now().UnixMilli() > 5*time.Second.Milliseconds() {
-			f.failedTimes.Store(-1)
-			f.failedTime.Store(-1)
-		} else {
-			failedCount := f.failedTimes.Inc()
-			log.Warnln("%s failed count: %d", f.Name(), failedCount)
-			if failedCount >= 5 {
-				log.Warnln("because %s failed multiple times, active health check", f.Name())
-				for _, proxyProvider := range f.providers {
-					go proxyProvider.HealthCheck()
-				}
-
-				f.failedTimes.Store(-1)
-				f.failedTime.Store(-1)
-			}
-		}
-	}
-}
-
 // SupportUDP implements C.ProxyAdapter
 func (f *Fallback) SupportUDP() bool {
 	if f.disableUDP {
@@ -98,7 +62,7 @@ func (f *Fallback) SupportUDP() bool {
 // MarshalJSON implements C.ProxyAdapter
 func (f *Fallback) MarshalJSON() ([]byte, error) {
 	all := []string{}
-	for _, proxy := range f.proxies(false) {
+	for _, proxy := range f.GetProxies(false) {
 		all = append(all, proxy.Name())
 	}
 	return json.Marshal(map[string]any{
@@ -114,38 +78,57 @@ func (f *Fallback) Unwrap(metadata *C.Metadata) C.Proxy {
 	return proxy
 }
 
-func (f *Fallback) proxies(touch bool) []C.Proxy {
-	elm, _, _ := f.single.Do(func() (any, error) {
-		return getProvidersProxies(f.providers, touch, f.filter), nil
-	})
-
-	return elm.([]C.Proxy)
+func (f *Fallback) findAliveProxy(touch bool) C.Proxy {
+	proxies := f.GetProxies(touch)
+	al := proxies[0]
+	for i := len(proxies) - 1; i > -1; i-- {
+		proxy := proxies[i]
+		if proxy.Name() == f.selected && proxy.Alive() {
+			return proxy
+		}
+		if proxy.Alive() {
+			al = proxy
+		}
+	}
+	return al
 }
 
-func (f *Fallback) findAliveProxy(touch bool) C.Proxy {
-	proxies := f.proxies(touch)
-	for _, proxy := range proxies {
-		if proxy.Alive() {
-			return proxy
+func (f *Fallback) Set(name string) error {
+	var p C.Proxy
+	for _, proxy := range f.GetProxies(false) {
+		if proxy.Name() == name {
+			p = proxy
+			break
 		}
 	}
 
-	return proxies[0]
+	if p == nil {
+		return errors.New("proxy not exist")
+	}
+
+	f.selected = name
+	if !p.Alive() {
+		ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*time.Duration(5000))
+		defer cancel()
+		_, _ = p.URLTest(ctx, f.testUrl)
+	}
+
+	return nil
 }
 
 func NewFallback(option *GroupCommonOption, providers []provider.ProxyProvider) *Fallback {
 	return &Fallback{
-		Base: outbound.NewBase(outbound.BaseOption{
-			Name:        option.Name,
-			Type:        C.Fallback,
-			Interface:   option.Interface,
-			RoutingMark: option.RoutingMark,
+		GroupBase: NewGroupBase(GroupBaseOption{
+			outbound.BaseOption{
+				Name:        option.Name,
+				Type:        C.Fallback,
+				Interface:   option.Interface,
+				RoutingMark: option.RoutingMark,
+			},
+			option.Filter,
+			providers,
 		}),
-		single:      singledo.NewSingle(defaultGetProxiesDuration),
-		providers:   providers,
-		disableUDP:  option.DisableUDP,
-		filter:      option.Filter,
-		failedTimes: atomic.NewInt32(-1),
-		failedTime:  atomic.NewInt64(-1),
+		disableUDP: option.DisableUDP,
+		testUrl:    option.URL,
 	}
 }

adapter/outboundgroup/groupbase.go

@@ -0,0 +1,189 @@
+package outboundgroup
+
+import (
+	"context"
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/Dreamacro/clash/adapter/outbound"
+	C "github.com/Dreamacro/clash/constant"
+	types "github.com/Dreamacro/clash/constant/provider"
+	"github.com/Dreamacro/clash/constant/provider"
+	"github.com/Dreamacro/clash/log"
+	"github.com/Dreamacro/clash/tunnel"
+	"github.com/dlclark/regexp2"
+	"go.uber.org/atomic"
+)
+
+type GroupBase struct {
+	*outbound.Base
+	filter        *regexp2.Regexp
+	providers     []provider.ProxyProvider
+	versions      sync.Map // map[string]uint
+	proxies       sync.Map // map[string][]C.Proxy
+	failedTestMux sync.Mutex
+	failedTimes   int
+	failedTime    time.Time
+	failedTesting *atomic.Bool
+}
+
+type GroupBaseOption struct {
+	outbound.BaseOption
+	filter    string
+	providers []provider.ProxyProvider
+}
+
+func NewGroupBase(opt GroupBaseOption) *GroupBase {
+	var filter *regexp2.Regexp = nil
+	if opt.filter != "" {
+		filter = regexp2.MustCompile(opt.filter, 0)
+	}
+	return &GroupBase{
+		Base:          outbound.NewBase(opt.BaseOption),
+		filter:        filter,
+		providers:     opt.providers,
+		failedTesting: atomic.NewBool(false),
+	}
+}
+
+func (gb *GroupBase) GetProxies(touch bool) []C.Proxy {
+	if gb.filter == nil {
+		var proxies []C.Proxy
+		for _, pd := range gb.providers {
+			if touch {
+				pd.Touch()
+			}
+			proxies = append(proxies, pd.Proxies()...)
+		}
+		if len(proxies) == 0 {
+			return append(proxies, tunnel.Proxies()["COMPATIBLE"])
+		}
+		return proxies
+	}
+
+	for _, pd := range gb.providers {
+		if touch {
+			pd.Touch()
+		}
+
+		if pd.VehicleType() == types.Compatible {
+			gb.proxies.Store(pd.Name(), pd.Proxies())
+			gb.versions.Store(pd.Name(), pd.Version())
+			continue
+		}
+
+		if version, ok := gb.versions.Load(pd.Name()); !ok || version != pd.Version() {
+			var (
+				proxies    []C.Proxy
+				newProxies []C.Proxy
+			)
+
+			proxies = pd.Proxies()
+
+			for _, p := range proxies {
+				if mat, _ := gb.filter.FindStringMatch(p.Name()); mat != nil {
+					newProxies = append(newProxies, p)
+				}
+			}
+
+			gb.proxies.Store(pd.Name(), newProxies)
+			gb.versions.Store(pd.Name(), pd.Version())
+		}
+	}
+	var proxies []C.Proxy
+	gb.proxies.Range(func(key, value any) bool {
+		proxies = append(proxies, value.([]C.Proxy)...)
+		return true
+	})
+	if len(proxies) == 0 {
+		return append(proxies, tunnel.Proxies()["COMPATIBLE"])
+	}
+	return proxies
+}
+
+func (gb *GroupBase) URLTest(ctx context.Context, url string) (map[string]uint16, error) {
+	var wg sync.WaitGroup
+	var lock sync.Mutex
+	mp := map[string]uint16{}
+	proxies := gb.GetProxies(false)
+	for _, proxy := range proxies {
+		proxy := proxy
+		wg.Add(1)
+		go func() {
+			delay, err := proxy.URLTest(ctx, url)
+			lock.Lock()
+			if err == nil {
+				mp[proxy.Name()] = delay
+			}
+			lock.Unlock()
+
+			wg.Done()
+		}()
+	}
+	wg.Wait()
+
+	if len(mp) == 0 {
+		return mp, fmt.Errorf("get delay: all proxies timeout")
+	} else {
+		return mp, nil
+	}
+}
+
+func (gb *GroupBase) onDialFailed() {
+	if gb.failedTesting.Load() {
+		return
+	}
+
+	go func() {
+		gb.failedTestMux.Lock()
+		defer gb.failedTestMux.Unlock()
+
+		gb.failedTimes++
+		if gb.failedTimes == 1 {
+			log.Debugln("ProxyGroup: %s first failed", gb.Name())
+			gb.failedTime = time.Now()
+		} else {
+			if time.Since(gb.failedTime) > gb.failedTimeoutInterval() {
+				return
+			}
+
+			log.Debugln("ProxyGroup: %s failed count: %d", gb.Name(), gb.failedTimes)
+			if gb.failedTimes >= gb.maxFailedTimes() {
+				gb.failedTesting.Store(true)
+				log.Warnln("because %s failed multiple times, active health check", gb.Name())
+				wg := sync.WaitGroup{}
+				for _, proxyProvider := range gb.providers {
+					wg.Add(1)
+					proxyProvider := proxyProvider
+					go func() {
+						defer wg.Done()
+						proxyProvider.HealthCheck()
+					}()
+				}
+
+				wg.Wait()
+				gb.failedTesting.Store(false)
+				gb.failedTimes = 0
+			}
+		}
+	}()
+}
+
+func (gb *GroupBase) failedIntervalTime() int64 {
+	return 5 * time.Second.Milliseconds()
+}
+
+func (gb *GroupBase) onDialSuccess() {
+	if !gb.failedTesting.Load() {
+		gb.failedTimes = 0
+	}
+}
+
+func (gb *GroupBase) maxFailedTimes() int {
+	return 5
+}
+
+func (gb *GroupBase) failedTimeoutInterval() time.Duration {
+	return 5 * time.Second
+}

adapter/outboundgroup/loadbalance.go

@@ -6,25 +6,22 @@ import (
 	"errors"
 	"fmt"
 	"net"
+	"time"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
+	"github.com/Dreamacro/clash/common/cache"
 	"github.com/Dreamacro/clash/common/murmur3"
-	"github.com/Dreamacro/clash/common/singledo"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
-
 	"golang.org/x/net/publicsuffix"
 )
 
 type strategyFn = func(proxies []C.Proxy, metadata *C.Metadata) C.Proxy
 
 type LoadBalance struct {
-	*outbound.Base
+	*GroupBase
 	disableUDP bool
-	single     *singledo.Single
-	filter     string
-	providers  []provider.ProxyProvider
 	strategyFn strategyFn
 }
 
@@ -40,6 +37,10 @@ func parseStrategy(config map[string]any) string {
 }
 
 func getKey(metadata *C.Metadata) string {
+	if metadata == nil {
+		return ""
+	}
+
 	if metadata.Host != "" {
 		// ip host
 		if ip := net.ParseIP(metadata.Host); ip != nil {
@@ -51,13 +52,23 @@ func getKey(metadata *C.Metadata) string {
 		}
 	}
 
-	if metadata.DstIP == nil {
+	if !metadata.DstIP.IsValid() {
 		return ""
 	}
 
 	return metadata.DstIP.String()
 }
 
+func getKeyWithSrcAndDst(metadata *C.Metadata) string {
+	dst := getKey(metadata)
+	src := ""
+	if metadata != nil {
+		src = metadata.SrcIP.String()
+	}
+
+	return fmt.Sprintf("%s%s", src, dst)
+}
+
 func jumpHash(key uint64, buckets int32) int32 {
 	var b, j int64
 
@@ -75,6 +86,9 @@ func (lb *LoadBalance) DialContext(ctx context.Context, metadata *C.Metadata, op
 	defer func() {
 		if err == nil {
 			c.AppendToChains(lb)
+			lb.onDialSuccess()
+		} else {
+			lb.onDialFailed()
 		}
 	}()
 
@@ -134,24 +148,51 @@ func strategyConsistentHashing() strategyFn {
 	}
 }
 
-// Unwrap implements C.ProxyAdapter
-func (lb *LoadBalance) Unwrap(metadata *C.Metadata) C.Proxy {
-	proxies := lb.proxies(true)
-	return lb.strategyFn(proxies, metadata)
+func strategyStickySessions() strategyFn {
+	ttl := time.Minute * 10
+	maxRetry := 5
+	lruCache := cache.NewLRUCache[uint64, int](
+		cache.WithAge[uint64, int](int64(ttl.Seconds())),
+		cache.WithSize[uint64, int](1000))
+	return func(proxies []C.Proxy, metadata *C.Metadata) C.Proxy {
+		key := uint64(murmur3.Sum32([]byte(getKeyWithSrcAndDst(metadata))))
+		length := len(proxies)
+		idx, has := lruCache.Get(key)
+		if !has {
+			idx = int(jumpHash(key+uint64(time.Now().UnixNano()), int32(length)))
+		}
+
+		nowIdx := idx
+		for i := 1; i < maxRetry; i++ {
+			proxy := proxies[nowIdx]
+			if proxy.Alive() {
+				if nowIdx != idx {
+					lruCache.Delete(key)
+					lruCache.Set(key, nowIdx)
+				}
+
+				return proxy
+			} else {
+				nowIdx = int(jumpHash(key+uint64(time.Now().UnixNano()), int32(length)))
+			}
+		}
+
+		lruCache.Delete(key)
+		lruCache.Set(key, 0)
+		return proxies[0]
+	}
 }
 
-func (lb *LoadBalance) proxies(touch bool) []C.Proxy {
-	elm, _, _ := lb.single.Do(func() (any, error) {
-		return getProvidersProxies(lb.providers, touch, lb.filter), nil
-	})
-
-	return elm.([]C.Proxy)
+// Unwrap implements C.ProxyAdapter
+func (lb *LoadBalance) Unwrap(metadata *C.Metadata) C.Proxy {
+	proxies := lb.GetProxies(true)
+	return lb.strategyFn(proxies, metadata)
 }
 
 // MarshalJSON implements C.ProxyAdapter
 func (lb *LoadBalance) MarshalJSON() ([]byte, error) {
-	all := []string{}
-	for _, proxy := range lb.proxies(false) {
+	var all []string
+	for _, proxy := range lb.GetProxies(false) {
 		all = append(all, proxy.Name())
 	}
 	return json.Marshal(map[string]any{
@@ -167,20 +208,23 @@ func NewLoadBalance(option *GroupCommonOption, providers []provider.ProxyProvide
 		strategyFn = strategyConsistentHashing()
 	case "round-robin":
 		strategyFn = strategyRoundRobin()
+	case "sticky-sessions":
+		strategyFn = strategyStickySessions()
 	default:
 		return nil, fmt.Errorf("%w: %s", errStrategy, strategy)
 	}
 	return &LoadBalance{
-		Base: outbound.NewBase(outbound.BaseOption{
-			Name:        option.Name,
-			Type:        C.LoadBalance,
-			Interface:   option.Interface,
-			RoutingMark: option.RoutingMark,
+		GroupBase: NewGroupBase(GroupBaseOption{
+			outbound.BaseOption{
+				Name:        option.Name,
+				Type:        C.LoadBalance,
+				Interface:   option.Interface,
+				RoutingMark: option.RoutingMark,
+			},
+			option.Filter,
+			providers,
 		}),
-		single:     singledo.NewSingle(defaultGetProxiesDuration),
-		providers:  providers,
 		strategyFn: strategyFn,
 		disableUDP: option.DisableUDP,
-		filter:     option.Filter,
 	}, nil
 }

adapter/outboundgroup/parser.go

@@ -75,8 +75,12 @@ func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, provide
 			providers = append(providers, pd)
 			providersMap[groupName] = pd
 		} else {
-			if groupOption.URL == "" || groupOption.Interval == 0 {
-				return nil, errMissHealthCheck
+			if groupOption.URL == "" {
+				groupOption.URL = "http://www.gstatic.com/generate_204"
+			}
+
+			if groupOption.Interval == 0 {
+				groupOption.Interval = 300
 			}
 
 			hc := provider.NewHealthCheck(ps, groupOption.URL, uint(groupOption.Interval), groupOption.Lazy)

adapter/outboundgroup/relay.go

@@ -6,27 +6,18 @@ import (
 	"fmt"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
-	"github.com/Dreamacro/clash/common/singledo"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
 )
 
 type Relay struct {
-	*outbound.Base
-	single    *singledo.Single
-	providers []provider.ProxyProvider
-	filter    string
+	*GroupBase
 }
 
 // DialContext implements C.ProxyAdapter
 func (r *Relay) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
-	var proxies []C.Proxy
-	for _, proxy := range r.proxies(metadata, true) {
-		if proxy.Type() != C.Direct && proxy.Type() != C.Compatible {
-			proxies = append(proxies, proxy)
-		}
-	}
+	proxies, chainProxies := r.proxies(metadata, true)
 
 	switch len(proxies) {
 	case 0:
@@ -64,13 +55,86 @@ func (r *Relay) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 		return nil, fmt.Errorf("%s connect error: %w", last.Addr(), err)
 	}
 
-	return outbound.NewConn(c, r), nil
+	conn := outbound.NewConn(c, last)
+
+	for i := len(chainProxies) - 2; i >= 0; i-- {
+		conn.AppendToChains(chainProxies[i])
+	}
+
+	conn.AppendToChains(r)
+
+	return conn, nil
+}
+
+// ListenPacketContext implements C.ProxyAdapter
+func (r *Relay) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
+	proxies, chainProxies := r.proxies(metadata, true)
+
+	switch len(proxies) {
+	case 0:
+		return outbound.NewDirect().ListenPacketContext(ctx, metadata, r.Base.DialOptions(opts...)...)
+	case 1:
+		return proxies[0].ListenPacketContext(ctx, metadata, r.Base.DialOptions(opts...)...)
+	}
+
+	first := proxies[0]
+	last := proxies[len(proxies)-1]
+
+	c, err := dialer.DialContext(ctx, "tcp", first.Addr(), r.Base.DialOptions(opts...)...)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
+	}
+	tcpKeepAlive(c)
+
+	var currentMeta *C.Metadata
+	for _, proxy := range proxies[1:] {
+		currentMeta, err = addrToMetadata(proxy.Addr())
+		if err != nil {
+			return nil, err
+		}
+
+		c, err = first.StreamConn(c, currentMeta)
+		if err != nil {
+			return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
+		}
+
+		first = proxy
+	}
+
+	c, err = last.StreamConn(c, metadata)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %w", last.Addr(), err)
+	}
+
+	var pc C.PacketConn
+	pc, err = last.ListenPacketOnStreamConn(c, metadata)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
+	}
+
+	for i := len(chainProxies) - 2; i >= 0; i-- {
+		pc.AppendToChains(chainProxies[i])
+	}
+
+	pc.AppendToChains(r)
+
+	return pc, nil
+}
+
+// SupportUDP implements C.ProxyAdapter
+func (r *Relay) SupportUDP() bool {
+	proxies, _ := r.proxies(nil, false)
+	if len(proxies) == 0 { // C.Direct
+		return true
+	}
+	last := proxies[len(proxies)-1]
+	return last.SupportUDP() && last.SupportUOT()
 }
 
 // MarshalJSON implements C.ProxyAdapter
 func (r *Relay) MarshalJSON() ([]byte, error) {
 	all := []string{}
-	for _, proxy := range r.rawProxies(false) {
+	for _, proxy := range r.GetProxies(false) {
 		all = append(all, proxy.Name())
 	}
 	return json.Marshal(map[string]any{
@@ -79,38 +143,49 @@ func (r *Relay) MarshalJSON() ([]byte, error) {
 	})
 }
 
-func (r *Relay) rawProxies(touch bool) []C.Proxy {
-	elm, _, _ := r.single.Do(func() (any, error) {
-		return getProvidersProxies(r.providers, touch, r.filter), nil
-	})
+func (r *Relay) proxies(metadata *C.Metadata, touch bool) ([]C.Proxy, []C.Proxy) {
+	rawProxies := r.GetProxies(touch)
 
-	return elm.([]C.Proxy)
-}
+	var proxies []C.Proxy
+	var chainProxies []C.Proxy
+	var targetProxies []C.Proxy
 
-func (r *Relay) proxies(metadata *C.Metadata, touch bool) []C.Proxy {
-	proxies := r.rawProxies(touch)
-
-	for n, proxy := range proxies {
+	for n, proxy := range rawProxies {
+		proxies = append(proxies, proxy)
+		chainProxies = append(chainProxies, proxy)
 		subproxy := proxy.Unwrap(metadata)
 		for subproxy != nil {
+			chainProxies = append(chainProxies, subproxy)
 			proxies[n] = subproxy
 			subproxy = subproxy.Unwrap(metadata)
 		}
 	}
 
-	return proxies
+	for _, proxy := range proxies {
+		if proxy.Type() != C.Direct && proxy.Type() != C.Compatible {
+			targetProxies = append(targetProxies, proxy)
+		}
+	}
+
+	return targetProxies, chainProxies
+}
+
+func (r *Relay) Addr() string {
+	proxies, _ := r.proxies(nil, true)
+	return proxies[len(proxies)-1].Addr()
 }
 
 func NewRelay(option *GroupCommonOption, providers []provider.ProxyProvider) *Relay {
 	return &Relay{
-		Base: outbound.NewBase(outbound.BaseOption{
-			Name:        option.Name,
-			Type:        C.Relay,
-			Interface:   option.Interface,
-			RoutingMark: option.RoutingMark,
+		GroupBase: NewGroupBase(GroupBaseOption{
+			outbound.BaseOption{
+				Name:        option.Name,
+				Type:        C.Relay,
+				Interface:   option.Interface,
+				RoutingMark: option.RoutingMark,
+			},
+			"",
+			providers,
 		}),
-		single:    singledo.NewSingle(defaultGetProxiesDuration),
-		providers: providers,
-		filter:    option.Filter,
 	}
 }

adapter/outboundgroup/selector.go

@@ -6,19 +6,15 @@ import (
 	"errors"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
-	"github.com/Dreamacro/clash/common/singledo"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
 )
 
 type Selector struct {
-	*outbound.Base
+	*GroupBase
 	disableUDP bool
-	single     *singledo.Single
 	selected   string
-	filter     string
-	providers  []provider.ProxyProvider
 }
 
 // DialContext implements C.ProxyAdapter
@@ -51,7 +47,7 @@ func (s *Selector) SupportUDP() bool {
 // MarshalJSON implements C.ProxyAdapter
 func (s *Selector) MarshalJSON() ([]byte, error) {
 	all := []string{}
-	for _, proxy := range getProvidersProxies(s.providers, false, s.filter) {
+	for _, proxy := range s.GetProxies(false) {
 		all = append(all, proxy.Name())
 	}
 
@@ -67,10 +63,9 @@ func (s *Selector) Now() string {
 }
 
 func (s *Selector) Set(name string) error {
-	for _, proxy := range getProvidersProxies(s.providers, false, s.filter) {
+	for _, proxy := range s.GetProxies(false) {
 		if proxy.Name() == name {
 			s.selected = name
-			s.single.Reset()
 			return nil
 		}
 	}
@@ -84,32 +79,29 @@ func (s *Selector) Unwrap(*C.Metadata) C.Proxy {
 }
 
 func (s *Selector) selectedProxy(touch bool) C.Proxy {
-	elm, _, _ := s.single.Do(func() (any, error) {
-		proxies := getProvidersProxies(s.providers, touch, s.filter)
-		for _, proxy := range proxies {
-			if proxy.Name() == s.selected {
-				return proxy, nil
-			}
+	proxies := s.GetProxies(touch)
+	for _, proxy := range proxies {
+		if proxy.Name() == s.selected {
+			return proxy
 		}
+	}
 
-		return proxies[0], nil
-	})
-
-	return elm.(C.Proxy)
+	return proxies[0]
 }
 
 func NewSelector(option *GroupCommonOption, providers []provider.ProxyProvider) *Selector {
 	return &Selector{
-		Base: outbound.NewBase(outbound.BaseOption{
-			Name:        option.Name,
-			Type:        C.Selector,
-			Interface:   option.Interface,
-			RoutingMark: option.RoutingMark,
+		GroupBase: NewGroupBase(GroupBaseOption{
+			outbound.BaseOption{
+				Name:        option.Name,
+				Type:        C.Selector,
+				Interface:   option.Interface,
+				RoutingMark: option.RoutingMark,
+			},
+			option.Filter,
+			providers,
 		}),
-		single:     singledo.NewSingle(defaultGetProxiesDuration),
-		providers:  providers,
 		selected:   "COMPATIBLE",
 		disableUDP: option.DisableUDP,
-		filter:     option.Filter,
 	}
 }

adapter/outboundgroup/urltest.go

@@ -3,8 +3,6 @@ package outboundgroup
 import (
 	"context"
 	"encoding/json"
-	"github.com/Dreamacro/clash/log"
-	"go.uber.org/atomic"
 	"time"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
@@ -23,16 +21,11 @@ func urlTestWithTolerance(tolerance uint16) urlTestOption {
 }
 
 type URLTest struct {
-	*outbound.Base
-	tolerance   uint16
-	disableUDP  bool
-	fastNode    C.Proxy
-	filter      string
-	single      *singledo.Single
-	fastSingle  *singledo.Single
-	providers   []provider.ProxyProvider
-	failedTimes *atomic.Int32
-	failedTime  *atomic.Int64
+	*GroupBase
+	tolerance  uint16
+	disableUDP bool
+	fastNode   C.Proxy
+	fastSingle *singledo.Single[C.Proxy]
 }
 
 func (u *URLTest) Now() string {
@@ -44,8 +37,7 @@ func (u *URLTest) DialContext(ctx context.Context, metadata *C.Metadata, opts ..
 	c, err = u.fast(true).DialContext(ctx, metadata, u.Base.DialOptions(opts...)...)
 	if err == nil {
 		c.AppendToChains(u)
-		u.failedTimes.Store(-1)
-		u.failedTime.Store(-1)
+		u.onDialSuccess()
 	} else {
 		u.onDialFailed()
 	}
@@ -57,11 +49,8 @@ func (u *URLTest) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 	pc, err := u.fast(true).ListenPacketContext(ctx, metadata, u.Base.DialOptions(opts...)...)
 	if err == nil {
 		pc.AppendToChains(u)
-		u.failedTimes.Store(-1)
-		u.failedTime.Store(-1)
-	} else {
-		u.onDialFailed()
 	}
+
 	return pc, err
 }
 
@@ -70,17 +59,9 @@ func (u *URLTest) Unwrap(*C.Metadata) C.Proxy {
 	return u.fast(true)
 }
 
-func (u *URLTest) proxies(touch bool) []C.Proxy {
-	elm, _, _ := u.single.Do(func() (any, error) {
-		return getProvidersProxies(u.providers, touch, u.filter), nil
-	})
-
-	return elm.([]C.Proxy)
-}
-
 func (u *URLTest) fast(touch bool) C.Proxy {
-	elm, _, _ := u.fastSingle.Do(func() (any, error) {
-		proxies := u.proxies(touch)
+	elm, _, _ := u.fastSingle.Do(func() (C.Proxy, error) {
+		proxies := u.GetProxies(touch)
 		fast := proxies[0]
 		min := fast.LastDelay()
 		fastNotExist := true
@@ -109,7 +90,7 @@ func (u *URLTest) fast(touch bool) C.Proxy {
 		return u.fastNode, nil
 	})
 
-	return elm.(C.Proxy)
+	return elm
 }
 
 // SupportUDP implements C.ProxyAdapter
@@ -124,7 +105,7 @@ func (u *URLTest) SupportUDP() bool {
 // MarshalJSON implements C.ProxyAdapter
 func (u *URLTest) MarshalJSON() ([]byte, error) {
 	all := []string{}
-	for _, proxy := range u.proxies(false) {
+	for _, proxy := range u.GetProxies(false) {
 		all = append(all, proxy.Name())
 	}
 	return json.Marshal(map[string]any{
@@ -134,32 +115,6 @@ func (u *URLTest) MarshalJSON() ([]byte, error) {
 	})
 }
 
-func (u *URLTest) onDialFailed() {
-	if u.failedTime.Load() == -1 {
-		log.Warnln("%s first failed", u.Name())
-		now := time.Now().UnixMilli()
-		u.failedTime.Store(now)
-		u.failedTimes.Store(1)
-	} else {
-		if u.failedTime.Load()-time.Now().UnixMilli() > 5*1000 {
-			u.failedTimes.Store(-1)
-			u.failedTime.Store(-1)
-		} else {
-			failedCount := u.failedTimes.Inc()
-			log.Warnln("%s failed count: %d", u.Name(), failedCount)
-			if failedCount >= 5 {
-				log.Warnln("because %s failed multiple times, active health check", u.Name())
-				for _, proxyProvider := range u.providers {
-					go proxyProvider.HealthCheck()
-				}
-
-				u.failedTimes.Store(-1)
-				u.failedTime.Store(-1)
-			}
-		}
-	}
-}
-
 func parseURLTestOption(config map[string]any) []urlTestOption {
 	opts := []urlTestOption{}
 
@@ -175,19 +130,19 @@ func parseURLTestOption(config map[string]any) []urlTestOption {
 
 func NewURLTest(option *GroupCommonOption, providers []provider.ProxyProvider, options ...urlTestOption) *URLTest {
 	urlTest := &URLTest{
-		Base: outbound.NewBase(outbound.BaseOption{
-			Name:        option.Name,
-			Type:        C.URLTest,
-			Interface:   option.Interface,
-			RoutingMark: option.RoutingMark,
+		GroupBase: NewGroupBase(GroupBaseOption{
+			outbound.BaseOption{
+				Name:        option.Name,
+				Type:        C.URLTest,
+				Interface:   option.Interface,
+				RoutingMark: option.RoutingMark,
+			},
+
+			option.Filter,
+			providers,
 		}),
-		single:      singledo.NewSingle(defaultGetProxiesDuration),
-		fastSingle:  singledo.NewSingle(time.Second * 10),
-		providers:   providers,
-		disableUDP:  option.DisableUDP,
-		filter:      option.Filter,
-		failedTimes: atomic.NewInt32(-1),
-		failedTime:  atomic.NewInt64(-1),
+		fastSingle: singledo.NewSingle[C.Proxy](time.Second * 10),
+		disableUDP: option.DisableUDP,
 	}
 
 	for _, option := range options {

adapter/outboundgroup/util.go

@@ -3,6 +3,7 @@ package outboundgroup
 import (
 	"fmt"
 	"net"
+	"net/netip"
 	"time"
 
 	C "github.com/Dreamacro/clash/constant"
@@ -15,20 +16,21 @@ func addrToMetadata(rawAddress string) (addr *C.Metadata, err error) {
 		return
 	}
 
-	ip := net.ParseIP(host)
-	if ip == nil {
+	ip, err := netip.ParseAddr(host)
+	if err != nil {
 		addr = &C.Metadata{
 			AddrType: C.AtypDomainName,
 			Host:     host,
-			DstIP:    nil,
+			DstIP:    netip.Addr{},
 			DstPort:  port,
 		}
+		err = nil
 		return
-	} else if ip4 := ip.To4(); ip4 != nil {
+	} else if ip.Is4() {
 		addr = &C.Metadata{
 			AddrType: C.AtypIPv4,
 			Host:     "",
-			DstIP:    ip4,
+			DstIP:    ip,
 			DstPort:  port,
 		}
 		return
@@ -45,7 +47,11 @@ func addrToMetadata(rawAddress string) (addr *C.Metadata, err error) {
 
 func tcpKeepAlive(c net.Conn) {
 	if tcp, ok := c.(*net.TCPConn); ok {
-		tcp.SetKeepAlive(true)
-		tcp.SetKeepAlivePeriod(30 * time.Second)
+		_ = tcp.SetKeepAlive(true)
+		_ = tcp.SetKeepAlivePeriod(30 * time.Second)
 	}
 }
+
+type SelectAble interface {
+	Set(string) error
+}

adapter/parser.go

@@ -81,6 +81,13 @@ func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 			break
 		}
 		proxy, err = outbound.NewTrojan(*trojanOption)
+	case "hysteria":
+		hyOption := &outbound.HysteriaOption{}
+		err = decoder.Decode(mapping, hyOption)
+		if err != nil {
+			break
+		}
+		proxy, err = outbound.NewHysteria(*hyOption)
 	default:
 		return nil, fmt.Errorf("unsupport proxy type: %s", proxyType)
 	}

adapter/provider/fetcher.go

@@ -16,61 +16,69 @@ var (
 	dirMode  os.FileMode = 0o755
 )
 
-type parser = func([]byte) (any, error)
+type parser[V any] func([]byte) (V, error)
 
-type fetcher struct {
+type fetcher[V any] struct {
 	name      string
 	vehicle   types.Vehicle
 	updatedAt *time.Time
 	ticker    *time.Ticker
 	done      chan struct{}
 	hash      [16]byte
-	parser    parser
-	onUpdate  func(any)
+	parser    parser[V]
+	interval  time.Duration
+	onUpdate  func(V)
 }
 
-func (f *fetcher) Name() string {
+func (f *fetcher[V]) Name() string {
 	return f.name
 }
 
-func (f *fetcher) VehicleType() types.VehicleType {
+func (f *fetcher[V]) VehicleType() types.VehicleType {
 	return f.vehicle.Type()
 }
 
-func (f *fetcher) Initial() (any, error) {
+func (f *fetcher[V]) Initial() (V, error) {
 	var (
 		buf     []byte
 		err     error
 		isLocal bool
 	)
+
 	if stat, fErr := os.Stat(f.vehicle.Path()); fErr == nil {
 		buf, err = os.ReadFile(f.vehicle.Path())
 		modTime := stat.ModTime()
 		f.updatedAt = &modTime
 		isLocal = true
+		if f.interval != 0 && modTime.Add(f.interval).Before(time.Now()) {
+			defer func() {
+				log.Infoln("[Provider] %s's proxies not updated for a long time, force refresh", f.Name())
+				go f.Update()
+			}()
+		}
 	} else {
 		buf, err = f.vehicle.Read()
 	}
 
 	if err != nil {
-		return nil, err
+		return getZero[V](), err
 	}
 
 	proxies, err := f.parser(buf)
 	if err != nil {
 		if !isLocal {
-			return nil, err
+			return getZero[V](), err
 		}
 
 		// parse local file error, fallback to remote
 		buf, err = f.vehicle.Read()
 		if err != nil {
-			return nil, err
+			return getZero[V](), err
 		}
 
 		proxies, err = f.parser(buf)
 		if err != nil {
-			return nil, err
+			return getZero[V](), err
 		}
 
 		isLocal = false
@@ -78,7 +86,7 @@ func (f *fetcher) Initial() (any, error) {
 
 	if f.vehicle.Type() != types.File && !isLocal {
 		if err := safeWrite(f.vehicle.Path(), buf); err != nil {
-			return nil, err
+			return getZero[V](), err
 		}
 	}
 
@@ -92,10 +100,10 @@ func (f *fetcher) Initial() (any, error) {
 	return proxies, nil
 }
 
-func (f *fetcher) Update() (any, bool, error) {
+func (f *fetcher[V]) Update() (V, bool, error) {
 	buf, err := f.vehicle.Read()
 	if err != nil {
-		return nil, false, err
+		return getZero[V](), false, err
 	}
 
 	now := time.Now()
@@ -103,17 +111,17 @@ func (f *fetcher) Update() (any, bool, error) {
 	if bytes.Equal(f.hash[:], hash[:]) {
 		f.updatedAt = &now
 		os.Chtimes(f.vehicle.Path(), now, now)
-		return nil, true, nil
+		return getZero[V](), true, nil
 	}
 
 	proxies, err := f.parser(buf)
 	if err != nil {
-		return nil, false, err
+		return getZero[V](), false, err
 	}
 
 	if f.vehicle.Type() != types.File {
 		if err := safeWrite(f.vehicle.Path(), buf); err != nil {
-			return nil, false, err
+			return getZero[V](), false, err
 		}
 	}
 
@@ -123,14 +131,14 @@ func (f *fetcher) Update() (any, bool, error) {
 	return proxies, false, nil
 }
 
-func (f *fetcher) Destroy() error {
+func (f *fetcher[V]) Destroy() error {
 	if f.ticker != nil {
 		f.done <- struct{}{}
 	}
 	return nil
 }
 
-func (f *fetcher) pullLoop() {
+func (f *fetcher[V]) pullLoop() {
 	for {
 		select {
 		case <-f.ticker.C:
@@ -168,13 +176,13 @@ func safeWrite(path string, buf []byte) error {
 	return os.WriteFile(path, buf, fileMode)
 }
 
-func newFetcher(name string, interval time.Duration, vehicle types.Vehicle, parser parser, onUpdate func(any)) *fetcher {
+func newFetcher[V any](name string, interval time.Duration, vehicle types.Vehicle, parser parser[V], onUpdate func(V)) *fetcher[V] {
 	var ticker *time.Ticker
 	if interval != 0 {
 		ticker = time.NewTicker(interval)
 	}
 
-	return &fetcher{
+	return &fetcher[V]{
 		name:     name,
 		ticker:   ticker,
 		vehicle:  vehicle,
@@ -183,3 +191,8 @@ func newFetcher(name string, interval time.Duration, vehicle types.Vehicle, pars
 		onUpdate: onUpdate,
 	}
 }
+
+func getZero[V any]() V {
+	var result V
+	return result
+}

adapter/provider/healthcheck.go

@@ -6,7 +6,6 @@ import (
 
 	"github.com/Dreamacro/clash/common/batch"
 	C "github.com/Dreamacro/clash/constant"
-
 	"go.uber.org/atomic"
 )
 
@@ -32,9 +31,7 @@ func (hc *HealthCheck) process() {
 	ticker := time.NewTicker(time.Duration(hc.interval) * time.Second)
 
 	go func() {
-		t := time.NewTicker(30 * time.Second)
-		<-t.C
-		t.Stop()
+		time.Sleep(30 * time.Second)
 		hc.check()
 	}()
 
@@ -65,14 +62,14 @@ func (hc *HealthCheck) touch() {
 }
 
 func (hc *HealthCheck) check() {
-	b, _ := batch.New(context.Background(), batch.WithConcurrencyNum(10))
+	b, _ := batch.New[bool](context.Background(), batch.WithConcurrencyNum[bool](10))
 	for _, proxy := range hc.proxies {
 		p := proxy
-		b.Go(p.Name(), func() (any, error) {
+		b.Go(p.Name(), func() (bool, error) {
 			ctx, cancel := context.WithTimeout(context.Background(), defaultURLTestTimeout)
 			defer cancel()
-			p.URLTest(ctx, hc.url)
-			return nil, nil
+			_, _ = p.URLTest(ctx, hc.url)
+			return false, nil
 		})
 	}
 	b.Wait()

adapter/provider/provider.go

@@ -4,15 +4,16 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/dlclark/regexp2"
+	"math"
 	"runtime"
 	"time"
 
 	"github.com/Dreamacro/clash/adapter"
+	"github.com/Dreamacro/clash/common/convert"
 	C "github.com/Dreamacro/clash/constant"
 	types "github.com/Dreamacro/clash/constant/provider"
-
-	"gopkg.in/yaml.v2"
+	"github.com/dlclark/regexp2"
+	"gopkg.in/yaml.v3"
 )
 
 const (
@@ -23,15 +24,16 @@ type ProxySchema struct {
 	Proxies []map[string]any `yaml:"proxies"`
 }
 
-// for auto gc
+// ProxySetProvider for auto gc
 type ProxySetProvider struct {
 	*proxySetProvider
 }
 
 type proxySetProvider struct {
-	*fetcher
+	*fetcher[[]C.Proxy]
 	proxies     []C.Proxy
 	healthCheck *HealthCheck
+	version     uint
 }
 
 func (pp *proxySetProvider) MarshalJSON() ([]byte, error) {
@@ -40,11 +42,14 @@ func (pp *proxySetProvider) MarshalJSON() ([]byte, error) {
 		"type":        pp.Type().String(),
 		"vehicleType": pp.VehicleType().String(),
 		"proxies":     pp.Proxies(),
-		//TODO maybe error because year value overflow
-		"updatedAt": pp.updatedAt,
+		"updatedAt":   pp.updatedAt,
 	})
 }
 
+func (pp *proxySetProvider) Version() uint {
+	return pp.version
+}
+
 func (pp *proxySetProvider) Name() string {
 	return pp.name
 }
@@ -66,12 +71,7 @@ func (pp *proxySetProvider) Initial() error {
 	if err != nil {
 		return err
 	}
-
 	pp.onUpdate(elm)
-	if pp.healthCheck.auto() {
-		go pp.healthCheck.process()
-	}
-
 	return nil
 }
 
@@ -83,46 +83,148 @@ func (pp *proxySetProvider) Proxies() []C.Proxy {
 	return pp.proxies
 }
 
-func (pp *proxySetProvider) ProxiesWithTouch() []C.Proxy {
+func (pp *proxySetProvider) Touch() {
 	pp.healthCheck.touch()
-	return pp.Proxies()
 }
 
 func (pp *proxySetProvider) setProxies(proxies []C.Proxy) {
 	pp.proxies = proxies
 	pp.healthCheck.setProxy(proxies)
 	if pp.healthCheck.auto() {
-		go pp.healthCheck.check()
+		defer func() { go pp.healthCheck.check() }()
 	}
 }
 
 func stopProxyProvider(pd *ProxySetProvider) {
 	pd.healthCheck.close()
-	pd.fetcher.Destroy()
+	_ = pd.fetcher.Destroy()
 }
 
 func NewProxySetProvider(name string, interval time.Duration, filter string, vehicle types.Vehicle, hc *HealthCheck) (*ProxySetProvider, error) {
-	//filterReg, err := regexp.Compile(filter)
 	filterReg, err := regexp2.Compile(filter, 0)
 	if err != nil {
 		return nil, fmt.Errorf("invalid filter regex: %w", err)
 	}
 
+	if hc.auto() {
+		go hc.process()
+	}
+
 	pd := &proxySetProvider{
 		proxies:     []C.Proxy{},
 		healthCheck: hc,
 	}
 
-	onUpdate := func(elm any) {
-		ret := elm.([]C.Proxy)
-		pd.setProxies(ret)
+	fetcher := newFetcher[[]C.Proxy](name, interval, vehicle, proxiesParseAndFilter(filter, filterReg), proxiesOnUpdate(pd))
+	pd.fetcher = fetcher
+
+	wrapper := &ProxySetProvider{pd}
+	runtime.SetFinalizer(wrapper, stopProxyProvider)
+	return wrapper, nil
+}
+
+// CompatibleProvider for auto gc
+type CompatibleProvider struct {
+	*compatibleProvider
+}
+
+type compatibleProvider struct {
+	name        string
+	healthCheck *HealthCheck
+	proxies     []C.Proxy
+	version     uint
+}
+
+func (cp *compatibleProvider) MarshalJSON() ([]byte, error) {
+	return json.Marshal(map[string]any{
+		"name":        cp.Name(),
+		"type":        cp.Type().String(),
+		"vehicleType": cp.VehicleType().String(),
+		"proxies":     cp.Proxies(),
+	})
+}
+
+func (cp *compatibleProvider) Version() uint {
+	return cp.version
+}
+
+func (cp *compatibleProvider) Name() string {
+	return cp.name
+}
+
+func (cp *compatibleProvider) HealthCheck() {
+	cp.healthCheck.check()
+}
+
+func (cp *compatibleProvider) Update() error {
+	return nil
+}
+
+func (cp *compatibleProvider) Initial() error {
+	return nil
+}
+
+func (cp *compatibleProvider) VehicleType() types.VehicleType {
+	return types.Compatible
+}
+
+func (cp *compatibleProvider) Type() types.ProviderType {
+	return types.Proxy
+}
+
+func (cp *compatibleProvider) Proxies() []C.Proxy {
+	return cp.proxies
+}
+
+func (cp *compatibleProvider) Touch() {
+	cp.healthCheck.touch()
+}
+
+func stopCompatibleProvider(pd *CompatibleProvider) {
+	pd.healthCheck.close()
+}
+
+func NewCompatibleProvider(name string, proxies []C.Proxy, hc *HealthCheck) (*CompatibleProvider, error) {
+	if len(proxies) == 0 {
+		return nil, errors.New("provider need one proxy at least")
 	}
 
-	proxiesParseAndFilter := func(buf []byte) (any, error) {
+	if hc.auto() {
+		go hc.process()
+	}
+
+	pd := &compatibleProvider{
+		name:        name,
+		proxies:     proxies,
+		healthCheck: hc,
+	}
+
+	wrapper := &CompatibleProvider{pd}
+	runtime.SetFinalizer(wrapper, stopCompatibleProvider)
+	return wrapper, nil
+}
+
+func proxiesOnUpdate(pd *proxySetProvider) func([]C.Proxy) {
+	return func(elm []C.Proxy) {
+		pd.setProxies(elm)
+		if pd.version == math.MaxUint {
+			pd.version = 0
+		} else {
+			pd.version++
+		}
+	}
+}
+
+func proxiesParseAndFilter(filter string, filterReg *regexp2.Regexp) parser[[]C.Proxy] {
+	return func(buf []byte) ([]C.Proxy, error) {
 		schema := &ProxySchema{}
 
 		if err := yaml.Unmarshal(buf, schema); err != nil {
-			return nil, err
+			proxies, err1 := convert.ConvertsV2Ray(buf)
+			if err1 != nil {
+				return nil, fmt.Errorf("%s, %w", err.Error(), err1)
+			}
+			schema.Proxies = proxies
 		}
 
 		if schema.Proxies == nil {
@@ -152,88 +254,4 @@ func NewProxySetProvider(name string, interval time.Duration, filter string, veh
 
 		return proxies, nil
 	}
-
-	fetcher := newFetcher(name, interval, vehicle, proxiesParseAndFilter, onUpdate)
-	pd.fetcher = fetcher
-
-	wrapper := &ProxySetProvider{pd}
-	runtime.SetFinalizer(wrapper, stopProxyProvider)
-	return wrapper, nil
-}
-
-// for auto gc
-type CompatibleProvider struct {
-	*compatibleProvider
-}
-
-type compatibleProvider struct {
-	name        string
-	healthCheck *HealthCheck
-	proxies     []C.Proxy
-}
-
-func (cp *compatibleProvider) MarshalJSON() ([]byte, error) {
-	return json.Marshal(map[string]any{
-		"name":        cp.Name(),
-		"type":        cp.Type().String(),
-		"vehicleType": cp.VehicleType().String(),
-		"proxies":     cp.Proxies(),
-	})
-}
-
-func (cp *compatibleProvider) Name() string {
-	return cp.name
-}
-
-func (cp *compatibleProvider) HealthCheck() {
-	cp.healthCheck.check()
-}
-
-func (cp *compatibleProvider) Update() error {
-	return nil
-}
-
-func (cp *compatibleProvider) Initial() error {
-	if cp.healthCheck.auto() {
-		go cp.healthCheck.process()
-	}
-
-	return nil
-}
-
-func (cp *compatibleProvider) VehicleType() types.VehicleType {
-	return types.Compatible
-}
-
-func (cp *compatibleProvider) Type() types.ProviderType {
-	return types.Proxy
-}
-
-func (cp *compatibleProvider) Proxies() []C.Proxy {
-	return cp.proxies
-}
-
-func (cp *compatibleProvider) ProxiesWithTouch() []C.Proxy {
-	cp.healthCheck.touch()
-	return cp.Proxies()
-}
-
-func stopCompatibleProvider(pd *CompatibleProvider) {
-	pd.healthCheck.close()
-}
-
-func NewCompatibleProvider(name string, proxies []C.Proxy, hc *HealthCheck) (*CompatibleProvider, error) {
-	if len(proxies) == 0 {
-		return nil, errors.New("provider need one proxy at least")
-	}
-
-	pd := &compatibleProvider{
-		name:        name,
-		proxies:     proxies,
-		healthCheck: hc,
-	}
-
-	wrapper := &CompatibleProvider{pd}
-	runtime.SetFinalizer(wrapper, stopCompatibleProvider)
-	return wrapper, nil
 }

adapter/provider/vehicle.go

@@ -2,16 +2,12 @@ package provider
 
 import (
 	"context"
-	"github.com/Dreamacro/clash/component/dialer"
-	"github.com/Dreamacro/clash/listener/inner"
 	"io"
-	"net"
 	"net/http"
-	"net/url"
 	"os"
 	"time"
 
-	netHttp "github.com/Dreamacro/clash/common/net"
+	netHttp "github.com/Dreamacro/clash/component/http"
 	types "github.com/Dreamacro/clash/constant/provider"
 )
 
@@ -51,56 +47,16 @@ func (h *HTTPVehicle) Path() string {
 func (h *HTTPVehicle) Read() ([]byte, error) {
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*20)
 	defer cancel()
-
-	uri, err := url.Parse(h.url)
+	resp, err := netHttp.HttpRequest(ctx, h.url, http.MethodGet, nil, nil)
 	if err != nil {
 		return nil, err
 	}
 
-	req, err := http.NewRequest(http.MethodGet, uri.String(), nil)
-	req.Header.Set("User-Agent", netHttp.UA)
-
-	if err != nil {
-		return nil, err
-	}
-
-	if user := uri.User; user != nil {
-		password, _ := user.Password()
-		req.SetBasicAuth(user.Username(), password)
-	}
-
-	req = req.WithContext(ctx)
-
-	transport := &http.Transport{
-		// from http.DefaultTransport
-		MaxIdleConns:          100,
-		IdleConnTimeout:       90 * time.Second,
-		TLSHandshakeTimeout:   10 * time.Second,
-		ExpectContinueTimeout: 1 * time.Second,
-		DialContext: func(ctx context.Context, network, address string) (net.Conn, error) {
-			conn := inner.HandleTcp(address, uri.Hostname())
-			return conn, nil
-		},
-	}
-
-	client := http.Client{Transport: transport}
-	resp, err := client.Do(req)
-	if err != nil {
-		transport.DialContext = func(ctx context.Context, network, address string) (net.Conn, error) {
-			return dialer.DialContext(ctx, network, address)
-		}
-		resp, err = client.Do(req)
-		if err != nil {
-			return nil, err
-		}
-	}
 	defer resp.Body.Close()
-
 	buf, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}
-
 	return buf, nil
 }
 

check_amd64.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+flags=$(grep '^flags\b' </proc/cpuinfo | head -n 1)
+flags=" ${flags#*:} "
+
+has_flags () {
+  for flag; do
+    case "$flags" in
+      *" $flag "*) :;;
+      *) return 1;;
+    esac
+  done
+}
+
+determine_level () {
+  level=0
+  has_flags lm cmov cx8 fpu fxsr mmx syscall sse2 || return 0
+  level=1
+  has_flags cx16 lahf_lm popcnt sse4_1 sse4_2 ssse3 || return 0
+  level=2
+  has_flags avx avx2 bmi1 bmi2 f16c fma abm movbe xsave || return 0
+  level=3
+  has_flags avx512f avx512bw avx512cd avx512dq avx512vl || return 0
+  level=4
+}
+
+determine_level
+echo "Your CPU supports amd64-v$level"
+return $level

common/batch/batch.go

@@ -5,10 +5,10 @@ import (
 	"sync"
 )
 
-type Option = func(b *Batch)
+type Option[T any] func(b *Batch[T])
 
-type Result struct {
-	Value any
+type Result[T any] struct {
+	Value T
 	Err   error
 }
 
@@ -17,8 +17,8 @@ type Error struct {
 	Err error
 }
 
-func WithConcurrencyNum(n int) Option {
-	return func(b *Batch) {
+func WithConcurrencyNum[T any](n int) Option[T] {
+	return func(b *Batch[T]) {
 		q := make(chan struct{}, n)
 		for i := 0; i < n; i++ {
 			q <- struct{}{}
@@ -28,8 +28,8 @@ func WithConcurrencyNum(n int) Option {
 }
 
 // Batch similar to errgroup, but can control the maximum number of concurrent
-type Batch struct {
-	result map[string]Result
+type Batch[T any] struct {
+	result map[string]Result[T]
 	queue  chan struct{}
 	wg     sync.WaitGroup
 	mux    sync.Mutex
@@ -38,7 +38,7 @@ type Batch struct {
 	cancel func()
 }
 
-func (b *Batch) Go(key string, fn func() (any, error)) {
+func (b *Batch[T]) Go(key string, fn func() (T, error)) {
 	b.wg.Add(1)
 	go func() {
 		defer b.wg.Done()
@@ -59,14 +59,14 @@ func (b *Batch) Go(key string, fn func() (any, error)) {
 			})
 		}
 
-		ret := Result{value, err}
+		ret := Result[T]{value, err}
 		b.mux.Lock()
 		defer b.mux.Unlock()
 		b.result[key] = ret
 	}()
 }
 
-func (b *Batch) Wait() *Error {
+func (b *Batch[T]) Wait() *Error {
 	b.wg.Wait()
 	if b.cancel != nil {
 		b.cancel()
@@ -74,26 +74,26 @@ func (b *Batch) Wait() *Error {
 	return b.err
 }
 
-func (b *Batch) WaitAndGetResult() (map[string]Result, *Error) {
+func (b *Batch[T]) WaitAndGetResult() (map[string]Result[T], *Error) {
 	err := b.Wait()
 	return b.Result(), err
 }
 
-func (b *Batch) Result() map[string]Result {
+func (b *Batch[T]) Result() map[string]Result[T] {
 	b.mux.Lock()
 	defer b.mux.Unlock()
-	copy := map[string]Result{}
+	copyM := map[string]Result[T]{}
 	for k, v := range b.result {
-		copy[k] = v
+		copyM[k] = v
 	}
-	return copy
+	return copyM
 }
 
-func New(ctx context.Context, opts ...Option) (*Batch, context.Context) {
+func New[T any](ctx context.Context, opts ...Option[T]) (*Batch[T], context.Context) {
 	ctx, cancel := context.WithCancel(ctx)
 
-	b := &Batch{
-		result: map[string]Result{},
+	b := &Batch[T]{
+		result: map[string]Result[T]{},
 	}
 
 	for _, o := range opts {

common/batch/batch_test.go

@@ -11,14 +11,14 @@ import (
 )
 
 func TestBatch(t *testing.T) {
-	b, _ := New(context.Background())
+	b, _ := New[string](context.Background())
 
 	now := time.Now()
-	b.Go("foo", func() (any, error) {
+	b.Go("foo", func() (string, error) {
 		time.Sleep(time.Millisecond * 100)
 		return "foo", nil
 	})
-	b.Go("bar", func() (any, error) {
+	b.Go("bar", func() (string, error) {
 		time.Sleep(time.Millisecond * 150)
 		return "bar", nil
 	})
@@ -32,20 +32,20 @@ func TestBatch(t *testing.T) {
 
 	for k, v := range result {
 		assert.NoError(t, v.Err)
-		assert.Equal(t, k, v.Value.(string))
+		assert.Equal(t, k, v.Value)
 	}
 }
 
 func TestBatchWithConcurrencyNum(t *testing.T) {
-	b, _ := New(
+	b, _ := New[string](
 		context.Background(),
-		WithConcurrencyNum(3),
+		WithConcurrencyNum[string](3),
 	)
 
 	now := time.Now()
 	for i := 0; i < 7; i++ {
 		idx := i
-		b.Go(strconv.Itoa(idx), func() (any, error) {
+		b.Go(strconv.Itoa(idx), func() (string, error) {
 			time.Sleep(time.Millisecond * 100)
 			return strconv.Itoa(idx), nil
 		})
@@ -57,21 +57,21 @@ func TestBatchWithConcurrencyNum(t *testing.T) {
 
 	for k, v := range result {
 		assert.NoError(t, v.Err)
-		assert.Equal(t, k, v.Value.(string))
+		assert.Equal(t, k, v.Value)
 	}
 }
 
 func TestBatchContext(t *testing.T) {
-	b, ctx := New(context.Background())
+	b, ctx := New[string](context.Background())
 
-	b.Go("error", func() (any, error) {
+	b.Go("error", func() (string, error) {
 		time.Sleep(time.Millisecond * 100)
-		return nil, errors.New("test error")
+		return "", errors.New("test error")
 	})
 
-	b.Go("ctx", func() (any, error) {
+	b.Go("ctx", func() (string, error) {
 		<-ctx.Done()
-		return nil, ctx.Err()
+		return "", ctx.Err()
 	})
 
 	result, err := b.WaitAndGetResult()

common/cache/lrucache.go

@@ -3,19 +3,20 @@ package cache
 // Modified by https://github.com/die-net/lrucache
 
 import (
-	"container/list"
 	"sync"
 	"time"
+
+	"github.com/Dreamacro/clash/common/generics/list"
 )
 
 // Option is part of Functional Options Pattern
 type Option[K comparable, V any] func(*LruCache[K, V])
 
 // EvictCallback is used to get a callback when a cache entry is evicted
-type EvictCallback = func(key any, value any)
+type EvictCallback[K comparable, V any] func(key K, value V)
 
 // WithEvict set the evict callback
-func WithEvict[K comparable, V any](cb EvictCallback) Option[K, V] {
+func WithEvict[K comparable, V any](cb EvictCallback[K, V]) Option[K, V] {
 	return func(l *LruCache[K, V]) {
 		l.onEvict = cb
 	}
@@ -57,18 +58,18 @@ type LruCache[K comparable, V any] struct {
 	maxAge         int64
 	maxSize        int
 	mu             sync.Mutex
-	cache          map[any]*list.Element
-	lru            *list.List // Front is least-recent
+	cache          map[K]*list.Element[*entry[K, V]]
+	lru            *list.List[*entry[K, V]] // Front is least-recent
 	updateAgeOnGet bool
 	staleReturn    bool
-	onEvict        EvictCallback
+	onEvict        EvictCallback[K, V]
 }
 
 // NewLRUCache creates an LruCache
 func NewLRUCache[K comparable, V any](options ...Option[K, V]) *LruCache[K, V] {
 	lc := &LruCache[K, V]{
-		lru:   list.New(),
-		cache: make(map[any]*list.Element),
+		lru:   list.New[*entry[K, V]](),
+		cache: make(map[K]*list.Element[*entry[K, V]]),
 	}
 
 	for _, option := range options {
@@ -129,7 +130,7 @@ func (c *LruCache[K, V]) SetWithExpire(key K, value V, expires time.Time) {
 
 	if le, ok := c.cache[key]; ok {
 		c.lru.MoveToBack(le)
-		e := le.Value.(*entry[K, V])
+		e := le.Value
 		e.value = value
 		e.expires = expires.Unix()
 	} else {
@@ -154,11 +155,11 @@ func (c *LruCache[K, V]) CloneTo(n *LruCache[K, V]) {
 	n.mu.Lock()
 	defer n.mu.Unlock()
 
-	n.lru = list.New()
-	n.cache = make(map[any]*list.Element)
+	n.lru = list.New[*entry[K, V]]()
+	n.cache = make(map[K]*list.Element[*entry[K, V]])
 
 	for e := c.lru.Front(); e != nil; e = e.Next() {
-		elm := e.Value.(*entry[K, V])
+		elm := e.Value
 		n.cache[elm.key] = n.lru.PushBack(elm)
 	}
 }
@@ -172,7 +173,7 @@ func (c *LruCache[K, V]) get(key K) *entry[K, V] {
 		return nil
 	}
 
-	if !c.staleReturn && c.maxAge > 0 && le.Value.(*entry[K, V]).expires <= time.Now().Unix() {
+	if !c.staleReturn && c.maxAge > 0 && le.Value.expires <= time.Now().Unix() {
 		c.deleteElement(le)
 		c.maybeDeleteOldest()
 
@@ -180,7 +181,7 @@ func (c *LruCache[K, V]) get(key K) *entry[K, V] {
 	}
 
 	c.lru.MoveToBack(le)
-	el := le.Value.(*entry[K, V])
+	el := le.Value
 	if c.maxAge > 0 && c.updateAgeOnGet {
 		el.expires = time.Now().Unix() + c.maxAge
 	}
@@ -201,15 +202,15 @@ func (c *LruCache[K, V]) Delete(key K) {
 func (c *LruCache[K, V]) maybeDeleteOldest() {
 	if !c.staleReturn && c.maxAge > 0 {
 		now := time.Now().Unix()
-		for le := c.lru.Front(); le != nil && le.Value.(*entry[K, V]).expires <= now; le = c.lru.Front() {
+		for le := c.lru.Front(); le != nil && le.Value.expires <= now; le = c.lru.Front() {
 			c.deleteElement(le)
 		}
 	}
 }
 
-func (c *LruCache[K, V]) deleteElement(le *list.Element) {
+func (c *LruCache[K, V]) deleteElement(le *list.Element[*entry[K, V]]) {
 	c.lru.Remove(le)
-	e := le.Value.(*entry[K, V])
+	e := le.Value
 	delete(c.cache, e.key)
 	if c.onEvict != nil {
 		c.onEvict(e.key, e.value)
@@ -219,7 +220,7 @@ func (c *LruCache[K, V]) deleteElement(le *list.Element) {
 func (c *LruCache[K, V]) Clear() error {
 	c.mu.Lock()
 
-	c.cache = make(map[any]*list.Element)
+	c.cache = make(map[K]*list.Element[*entry[K, V]])
 
 	c.mu.Unlock()
 	return nil

common/cache/lrucache_test.go

@@ -52,18 +52,18 @@ func TestLRUMaxAge(t *testing.T) {
 
 	// Add one expired entry
 	c.Set("foo", "bar")
-	c.lru.Back().Value.(*entry[string, string]).expires = now
+	c.lru.Back().Value.expires = now
 
 	// Reset
 	c.Set("foo", "bar")
-	e := c.lru.Back().Value.(*entry[string, string])
+	e := c.lru.Back().Value
 	assert.True(t, e.expires >= now)
-	c.lru.Back().Value.(*entry[string, string]).expires = now
+	c.lru.Back().Value.expires = now
 
 	// Set a few and verify expiration times
 	for _, s := range entries {
 		c.Set(s.key, s.value)
-		e := c.lru.Back().Value.(*entry[string, string])
+		e := c.lru.Back().Value
 		assert.True(t, e.expires >= expected && e.expires <= expected+10)
 	}
 
@@ -77,7 +77,7 @@ func TestLRUMaxAge(t *testing.T) {
 	for _, s := range entries {
 		le, ok := c.cache[s.key]
 		if assert.True(t, ok) {
-			le.Value.(*entry[string, string]).expires = now
+			le.Value.expires = now
 		}
 	}
 
@@ -95,11 +95,11 @@ func TestLRUpdateOnGet(t *testing.T) {
 
 	// Add one expired entry
 	c.Set("foo", "bar")
-	c.lru.Back().Value.(*entry[string, string]).expires = expires
+	c.lru.Back().Value.expires = expires
 
 	_, ok := c.Get("foo")
 	assert.True(t, ok)
-	assert.True(t, c.lru.Back().Value.(*entry[string, string]).expires > expires)
+	assert.True(t, c.lru.Back().Value.expires > expires)
 }
 
 func TestMaxSize(t *testing.T) {
@@ -126,8 +126,8 @@ func TestExist(t *testing.T) {
 
 func TestEvict(t *testing.T) {
 	temp := 0
-	evict := func(key any, value any) {
-		temp = key.(int) + value.(int)
+	evict := func(key int, value int) {
+		temp = key + value
 	}
 
 	c := NewLRUCache[int, int](WithEvict[int, int](evict), WithSize[int, int](1))

common/cmd/cmd.go

@@ -14,7 +14,6 @@ func ExecCmd(cmdStr string) (string, error) {
 		cmd = exec.Command(args[0])
 	} else {
 		cmd = exec.Command(args[0], args[1:]...)
-
 	}
 	prepareBackgroundCommand(cmd)
 	out, err := cmd.CombinedOutput()

common/cmd/cmd_other.go

@@ -7,5 +7,4 @@ import (
 )
 
 func prepareBackgroundCommand(cmd *exec.Cmd) {
-
 }

common/convert/converter.go

@@ -0,0 +1,450 @@
+package convert
+
+import (
+	"bytes"
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+var enc = base64.StdEncoding
+
+func DecodeBase64(buf []byte) ([]byte, error) {
+	dBuf := make([]byte, enc.DecodedLen(len(buf)))
+	n, err := enc.Decode(dBuf, buf)
+	if err != nil {
+		return nil, err
+	}
+
+	return dBuf[:n], nil
+}
+
+// DecodeBase64StringToString decode base64 string to string
+func DecodeBase64StringToString(s string) (string, error) {
+	dBuf, err := enc.DecodeString(s)
+	if err != nil {
+		return "", err
+	}
+
+	return string(dBuf), nil
+}
+
+// ConvertsV2Ray convert V2Ray subscribe proxies data to clash proxies config
+func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
+	data, err := DecodeBase64(buf)
+	if err != nil {
+		data = buf
+	}
+
+	arr := strings.Split(string(data), "\n")
+
+	proxies := make([]map[string]any, 0, len(arr))
+	names := make(map[string]int, 200)
+
+	for _, line := range arr {
+		line = strings.TrimRight(line, " \r")
+		if line == "" {
+			continue
+		}
+
+		scheme, body, found := strings.Cut(line, "://")
+		if !found {
+			continue
+		}
+
+		scheme = strings.ToLower(scheme)
+		switch scheme {
+		case "hysteria":
+			urlHysteria, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			query := urlHysteria.Query()
+			name := uniqueName(names, urlHysteria.Fragment)
+			hysteria := make(map[string]any, 20)
+
+			hysteria["name"] = name
+			hysteria["type"] = scheme
+			hysteria["server"] = urlHysteria.Hostname()
+			hysteria["port"] = urlHysteria.Port()
+			hysteria["sni"] = query.Get("peer")
+			hysteria["obfs"] = query.Get("obfs")
+			hysteria["alpn"] = query.Get("alpn")
+			hysteria["auth_str"] = query.Get("auth")
+			hysteria["protocol"] = query.Get("protocol")
+			hysteria["down_mbps"], _ = strconv.Atoi(query.Get("downmbps"))
+			hysteria["up_mbps"], _ = strconv.Atoi(query.Get("upmbps"))
+			hysteria["skip-cert-verify"], _ = strconv.ParseBool(query.Get("insecure"))
+
+			proxies = append(proxies, hysteria)
+
+		case "trojan":
+			urlTrojan, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			query := urlTrojan.Query()
+
+			name := uniqueName(names, urlTrojan.Fragment)
+			trojan := make(map[string]any, 20)
+
+			trojan["name"] = name
+			trojan["type"] = scheme
+			trojan["server"] = urlTrojan.Hostname()
+			trojan["port"] = urlTrojan.Port()
+			trojan["password"] = urlTrojan.User.Username()
+			trojan["udp"] = true
+			trojan["skip-cert-verify"] = false
+
+			sni := query.Get("sni")
+			if sni != "" {
+				trojan["sni"] = sni
+			}
+
+			network := strings.ToLower(query.Get("type"))
+			if network != "" {
+				trojan["network"] = network
+			}
+
+			switch network {
+			case "ws":
+				headers := make(map[string]any)
+				wsOpts := make(map[string]any)
+
+				// headers["Host"] = RandHost()
+				headers["User-Agent"] = RandUserAgent()
+
+				wsOpts["path"] = query.Get("path")
+				wsOpts["headers"] = headers
+
+				trojan["ws-opts"] = wsOpts
+
+			case "grpc":
+				grpcOpts := make(map[string]any)
+				grpcOpts["grpc-service-name"] = query.Get("serviceName")
+				trojan["grpc-opts"] = grpcOpts
+			}
+
+			proxies = append(proxies, trojan)
+
+		case "vless":
+			urlVless, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			query := urlVless.Query()
+
+			name := uniqueName(names, urlVless.Fragment)
+			vless := make(map[string]any, 20)
+
+			vless["name"] = name
+			vless["type"] = scheme
+			vless["server"] = urlVless.Hostname()
+			vless["port"] = urlVless.Port()
+			vless["uuid"] = urlVless.User.Username()
+			vless["udp"] = true
+			vless["skip-cert-verify"] = false
+
+			sni := query.Get("sni")
+			if sni != "" {
+				vless["servername"] = sni
+			}
+
+			flow := strings.ToLower(query.Get("flow"))
+			if flow != "" {
+				vless["flow"] = flow
+			}
+
+			network := strings.ToLower(query.Get("type"))
+			if network != "" {
+				fakeType := strings.ToLower(query.Get("headerType"))
+				if network == "tcp" && fakeType == "http" {
+					network = "http"
+				}
+				if network == "http" {
+					network = "h2"
+				}
+				vless["network"] = network
+			}
+
+			switch network {
+			case "http":
+				headers := make(map[string]any)
+				httpOpts := make(map[string]any)
+
+				if query.Get("method") != "" {
+					httpOpts["method"] = query.Get("method")
+				}
+				if query.Get("path") != "" {
+					httpOpts["path"] = query.Get("path")
+				}
+				headers["User-Agent"] = RandUserAgent()
+				httpOpts["headers"] = headers
+
+				vless["http-opts"] = httpOpts
+
+			case "h2":
+				headers := make(map[string]any)
+				h2Opts := make(map[string]any)
+
+				headers["User-Agent"] = RandUserAgent()
+				h2Opts["path"] = query.Get("path")
+				h2Opts["headers"] = headers
+
+				vless["h2-opts"] = h2Opts
+
+			case "ws":
+				headers := make(map[string]any)
+				wsOpts := make(map[string]any)
+
+				// headers["Host"] = RandHost()
+				headers["User-Agent"] = RandUserAgent()
+				wsOpts["path"] = query.Get("path")
+				wsOpts["headers"] = headers
+
+				vless["ws-opts"] = wsOpts
+
+			case "grpc":
+				grpcOpts := make(map[string]any)
+				grpcOpts["grpc-service-name"] = query.Get("serviceName")
+				vless["grpc-opts"] = grpcOpts
+			}
+
+			proxies = append(proxies, vless)
+
+		case "vmess":
+			dcBuf, err := enc.DecodeString(body)
+			if err != nil {
+				continue
+			}
+
+			jsonDc := json.NewDecoder(bytes.NewReader(dcBuf))
+			values := make(map[string]any, 20)
+
+			if jsonDc.Decode(&values) != nil {
+				continue
+			}
+
+			name := uniqueName(names, values["ps"].(string))
+			vmess := make(map[string]any, 20)
+
+			vmess["name"] = name
+			vmess["type"] = scheme
+			vmess["server"] = values["add"]
+			vmess["port"] = values["port"]
+			vmess["uuid"] = values["id"]
+			vmess["alterId"] = values["aid"]
+			vmess["cipher"] = "auto"
+			vmess["udp"] = true
+			vmess["skip-cert-verify"] = false
+
+			sni := values["sni"]
+			if sni != "" {
+				vmess["sni"] = sni
+			}
+
+			host := values["host"]
+			network := strings.ToLower(values["net"].(string))
+
+			vmess["network"] = network
+
+			tls := strings.ToLower(values["tls"].(string))
+			if tls != "" && tls != "0" && tls != "null" {
+				if host != nil {
+					vmess["servername"] = host
+				}
+				vmess["tls"] = true
+			}
+
+			switch network {
+			case "http":
+				headers := make(map[string]any)
+				httpOpts := make(map[string]any)
+
+				// headers["Host"] = RandHost()
+				headers["User-Agent"] = RandUserAgent()
+				httpOpts["method"] = values["method"]
+				httpOpts["path"] = values["path"]
+				httpOpts["headers"] = headers
+
+				vmess["http-opts"] = httpOpts
+
+			case "h2":
+				headers := make(map[string]any)
+				h2Opts := make(map[string]any)
+
+				// headers["Host"] = RandHost()
+				headers["User-Agent"] = RandUserAgent()
+				h2Opts["path"] = values["path"]
+				h2Opts["headers"] = headers
+
+				vmess["h2-opts"] = h2Opts
+
+			case "ws":
+				headers := make(map[string]any)
+				wsOpts := make(map[string]any)
+
+				headers["Host"] = RandHost()
+				headers["User-Agent"] = RandUserAgent()
+
+				if values["path"] != nil {
+					wsOpts["path"] = values["path"]
+				}
+				wsOpts["headers"] = headers
+
+				vmess["ws-opts"] = wsOpts
+
+			case "grpc":
+				grpcOpts := make(map[string]any)
+				grpcOpts["grpc-service-name"] = values["path"]
+				vmess["grpc-opts"] = grpcOpts
+			}
+
+			proxies = append(proxies, vmess)
+
+		case "ss":
+			urlSS, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			name := uniqueName(names, urlSS.Fragment)
+			port := urlSS.Port()
+
+			if port == "" {
+				dcBuf, err := enc.DecodeString(urlSS.Host)
+				if err != nil {
+					continue
+				}
+
+				urlSS, err = url.Parse("ss://" + string(dcBuf))
+				if err != nil {
+					continue
+				}
+			}
+
+			var (
+				cipher   = urlSS.User.Username()
+				password string
+			)
+
+			if password, found = urlSS.User.Password(); !found {
+				dcBuf, err := enc.DecodeString(cipher)
+				if err != nil {
+					continue
+				}
+
+				cipher, password, found = strings.Cut(string(dcBuf), ":")
+				if !found {
+					continue
+				}
+			}
+
+			ss := make(map[string]any, 20)
+
+			ss["name"] = name
+			ss["type"] = scheme
+			ss["server"] = urlSS.Hostname()
+			ss["port"] = urlSS.Port()
+			ss["cipher"] = cipher
+			ss["password"] = password
+			ss["udp"] = true
+
+			proxies = append(proxies, ss)
+		case "ssr":
+			dcBuf, err := enc.DecodeString(body)
+			if err != nil {
+				continue
+			}
+
+			// ssr://host:port:protocol:method:obfs:urlsafebase64pass/?obfsparam=urlsafebase64&protoparam=&remarks=urlsafebase64&group=urlsafebase64&udpport=0&uot=1
+
+			before, after, ok := strings.Cut(string(dcBuf), "/?")
+			if !ok {
+				continue
+			}
+
+			beforeArr := strings.Split(before, ":")
+
+			if len(beforeArr) != 6 {
+				continue
+			}
+
+			host := beforeArr[0]
+			port := beforeArr[1]
+			protocol := beforeArr[2]
+			method := beforeArr[3]
+			obfs := beforeArr[4]
+			password := decodeUrlSafe(urlSafe(beforeArr[5]))
+
+			query, err := url.ParseQuery(urlSafe(after))
+			if err != nil {
+				continue
+			}
+
+			remarks := decodeUrlSafe(query.Get("remarks"))
+			name := uniqueName(names, remarks)
+
+			obfsParam := decodeUrlSafe(query.Get("obfsparam"))
+			protocolParam := query.Get("protoparam")
+
+			ssr := make(map[string]any, 20)
+
+			ssr["name"] = name
+			ssr["type"] = scheme
+			ssr["server"] = host
+			ssr["port"] = port
+			ssr["cipher"] = method
+			ssr["password"] = password
+			ssr["obfs"] = obfs
+			ssr["protocol"] = protocol
+			ssr["udp"] = true
+
+			if obfsParam != "" {
+				ssr["obfs-param"] = obfsParam
+			}
+
+			if protocolParam != "" {
+				ssr["protocol-param"] = protocolParam
+			}
+
+			proxies = append(proxies, ssr)
+		}
+	}
+
+	if len(proxies) == 0 {
+		return nil, fmt.Errorf("convert v2ray subscribe error: format invalid")
+	}
+
+	return proxies, nil
+}
+
+func urlSafe(data string) string {
+	return strings.ReplaceAll(strings.ReplaceAll(data, "+", "-"), "/", "_")
+}
+
+func decodeUrlSafe(data string) string {
+	dcBuf, err := base64.URLEncoding.DecodeString(data)
+	if err != nil {
+		return ""
+	}
+	return string(dcBuf)
+}
+
+func uniqueName(names map[string]int, name string) string {
+	if index, ok := names[name]; ok {
+		index++
+		names[name] = index
+		name = fmt.Sprintf("%s-%02d", name, index)
+	} else {
+		index = 0
+		names[name] = index
+	}
+	return name
+}

common/convert/util.go

@@ -0,0 +1,316 @@
+package convert
+
+import (
+	"encoding/base64"
+	"math/rand"
+	"net/http"
+	"strings"
+
+	"github.com/gofrs/uuid"
+)
+
+var hostsSuffix = []string{
+	"-cdn.aliyuncs.com",
+	".alicdn.com",
+	".pan.baidu.com",
+	".tbcache.com",
+	".aliyuncdn.com",
+	".vod.miguvideo.com",
+	".cibntv.net",
+	".myqcloud.com",
+	".smtcdns.com",
+	".alikunlun.com",
+	".smtcdns.net",
+	".apcdns.net",
+	".cdn-go.cn",
+	".cdntip.com",
+	".cdntips.com",
+	".alidayu.com",
+	".alidns.com",
+	".cdngslb.com",
+	".mxhichina.com",
+	".alibabadns.com",
+}
+
+var userAgents = []string{
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.162 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; Moto C Build/NRD90M.059) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1.1; SM-J120M Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; Moto G (5) Build/NPPS25.137-93-14) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; SM-G570M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; CAM-L03 Build/HUAWEICAM-L03) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.517.44 Safari/534.7",
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+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.99 Safari/533.4",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.111 Safari/537.36 MVisionPlayer/1.0.0.0",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1; A37f Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.93 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; CPH1607 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36",
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; vivo 1603 Build/MMB29M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.83 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; Redmi 4A Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/60.0.3112.116 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.71 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.64 Safari/537.31",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532G Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.83 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.109 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.131 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; vivo 1713 Build/MRA58K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.124 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+}
+
+var (
+	hostsLen = len(hostsSuffix)
+	uaLen    = len(userAgents)
+)
+
+func RandHost() string {
+	id, _ := uuid.NewV4()
+	base := strings.ToLower(base64.RawURLEncoding.EncodeToString(id.Bytes()))
+	base = strings.ReplaceAll(base, "-", "")
+	base = strings.ReplaceAll(base, "_", "")
+	buf := []byte(base)
+	prefix := string(buf[:3]) + "---"
+	prefix += string(buf[6:8]) + "-"
+	prefix += string(buf[len(buf)-8:])
+
+	return prefix + hostsSuffix[rand.Intn(hostsLen)]
+}
+
+func RandUserAgent() string {
+	return userAgents[rand.Intn(uaLen)]
+}
+
+func SetUserAgent(header http.Header) {
+	if header.Get("User-Agent") != "" {
+		return
+	}
+	userAgent := RandUserAgent()
+	header.Set("User-Agent", userAgent)
+}

common/generics/list/list.go

@@ -0,0 +1,235 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package list implements a doubly linked list.
+//
+// To iterate over a list (where l is a *List):
+//	for e := l.Front(); e != nil; e = e.Next() {
+//		// do something with e.Value
+//	}
+//
+package list
+
+// Element is an element of a linked list.
+type Element[T any] struct {
+	// Next and previous pointers in the doubly-linked list of elements.
+	// To simplify the implementation, internally a list l is implemented
+	// as a ring, such that &l.root is both the next element of the last
+	// list element (l.Back()) and the previous element of the first list
+	// element (l.Front()).
+	next, prev *Element[T]
+
+	// The list to which this element belongs.
+	list *List[T]
+
+	// The value stored with this element.
+	Value T
+}
+
+// Next returns the next list element or nil.
+func (e *Element[T]) Next() *Element[T] {
+	if p := e.next; e.list != nil && p != &e.list.root {
+		return p
+	}
+	return nil
+}
+
+// Prev returns the previous list element or nil.
+func (e *Element[T]) Prev() *Element[T] {
+	if p := e.prev; e.list != nil && p != &e.list.root {
+		return p
+	}
+	return nil
+}
+
+// List represents a doubly linked list.
+// The zero value for List is an empty list ready to use.
+type List[T any] struct {
+	root Element[T] // sentinel list element, only &root, root.prev, and root.next are used
+	len  int        // current list length excluding (this) sentinel element
+}
+
+// Init initializes or clears list l.
+func (l *List[T]) Init() *List[T] {
+	l.root.next = &l.root
+	l.root.prev = &l.root
+	l.len = 0
+	return l
+}
+
+// New returns an initialized list.
+func New[T any]() *List[T] { return new(List[T]).Init() }
+
+// Len returns the number of elements of list l.
+// The complexity is O(1).
+func (l *List[T]) Len() int { return l.len }
+
+// Front returns the first element of list l or nil if the list is empty.
+func (l *List[T]) Front() *Element[T] {
+	if l.len == 0 {
+		return nil
+	}
+	return l.root.next
+}
+
+// Back returns the last element of list l or nil if the list is empty.
+func (l *List[T]) Back() *Element[T] {
+	if l.len == 0 {
+		return nil
+	}
+	return l.root.prev
+}
+
+// lazyInit lazily initializes a zero List value.
+func (l *List[T]) lazyInit() {
+	if l.root.next == nil {
+		l.Init()
+	}
+}
+
+// insert inserts e after at, increments l.len, and returns e.
+func (l *List[T]) insert(e, at *Element[T]) *Element[T] {
+	e.prev = at
+	e.next = at.next
+	e.prev.next = e
+	e.next.prev = e
+	e.list = l
+	l.len++
+	return e
+}
+
+// insertValue is a convenience wrapper for insert(&Element{Value: v}, at).
+func (l *List[T]) insertValue(v T, at *Element[T]) *Element[T] {
+	return l.insert(&Element[T]{Value: v}, at)
+}
+
+// remove removes e from its list, decrements l.len
+func (l *List[T]) remove(e *Element[T]) {
+	e.prev.next = e.next
+	e.next.prev = e.prev
+	e.next = nil // avoid memory leaks
+	e.prev = nil // avoid memory leaks
+	e.list = nil
+	l.len--
+}
+
+// move moves e to next to at.
+func (l *List[T]) move(e, at *Element[T]) {
+	if e == at {
+		return
+	}
+	e.prev.next = e.next
+	e.next.prev = e.prev
+
+	e.prev = at
+	e.next = at.next
+	e.prev.next = e
+	e.next.prev = e
+}
+
+// Remove removes e from l if e is an element of list l.
+// It returns the element value e.Value.
+// The element must not be nil.
+func (l *List[T]) Remove(e *Element[T]) T {
+	if e.list == l {
+		// if e.list == l, l must have been initialized when e was inserted
+		// in l or l == nil (e is a zero Element) and l.remove will crash
+		l.remove(e)
+	}
+	return e.Value
+}
+
+// PushFront inserts a new element e with value v at the front of list l and returns e.
+func (l *List[T]) PushFront(v T) *Element[T] {
+	l.lazyInit()
+	return l.insertValue(v, &l.root)
+}
+
+// PushBack inserts a new element e with value v at the back of list l and returns e.
+func (l *List[T]) PushBack(v T) *Element[T] {
+	l.lazyInit()
+	return l.insertValue(v, l.root.prev)
+}
+
+// InsertBefore inserts a new element e with value v immediately before mark and returns e.
+// If mark is not an element of l, the list is not modified.
+// The mark must not be nil.
+func (l *List[T]) InsertBefore(v T, mark *Element[T]) *Element[T] {
+	if mark.list != l {
+		return nil
+	}
+	// see comment in List.Remove about initialization of l
+	return l.insertValue(v, mark.prev)
+}
+
+// InsertAfter inserts a new element e with value v immediately after mark and returns e.
+// If mark is not an element of l, the list is not modified.
+// The mark must not be nil.
+func (l *List[T]) InsertAfter(v T, mark *Element[T]) *Element[T] {
+	if mark.list != l {
+		return nil
+	}
+	// see comment in List.Remove about initialization of l
+	return l.insertValue(v, mark)
+}
+
+// MoveToFront moves element e to the front of list l.
+// If e is not an element of l, the list is not modified.
+// The element must not be nil.
+func (l *List[T]) MoveToFront(e *Element[T]) {
+	if e.list != l || l.root.next == e {
+		return
+	}
+	// see comment in List.Remove about initialization of l
+	l.move(e, &l.root)
+}
+
+// MoveToBack moves element e to the back of list l.
+// If e is not an element of l, the list is not modified.
+// The element must not be nil.
+func (l *List[T]) MoveToBack(e *Element[T]) {
+	if e.list != l || l.root.prev == e {
+		return
+	}
+	// see comment in List.Remove about initialization of l
+	l.move(e, l.root.prev)
+}
+
+// MoveBefore moves element e to its new position before mark.
+// If e or mark is not an element of l, or e == mark, the list is not modified.
+// The element and mark must not be nil.
+func (l *List[T]) MoveBefore(e, mark *Element[T]) {
+	if e.list != l || e == mark || mark.list != l {
+		return
+	}
+	l.move(e, mark.prev)
+}
+
+// MoveAfter moves element e to its new position after mark.
+// If e or mark is not an element of l, or e == mark, the list is not modified.
+// The element and mark must not be nil.
+func (l *List[T]) MoveAfter(e, mark *Element[T]) {
+	if e.list != l || e == mark || mark.list != l {
+		return
+	}
+	l.move(e, mark)
+}
+
+// PushBackList inserts a copy of another list at the back of list l.
+// The lists l and other may be the same. They must not be nil.
+func (l *List[T]) PushBackList(other *List[T]) {
+	l.lazyInit()
+	for i, e := other.Len(), other.Front(); i > 0; i, e = i-1, e.Next() {
+		l.insertValue(e.Value, l.root.prev)
+	}
+}
+
+// PushFrontList inserts a copy of another list at the front of list l.
+// The lists l and other may be the same. They must not be nil.
+func (l *List[T]) PushFrontList(other *List[T]) {
+	l.lazyInit()
+	for i, e := other.Len(), other.Back(); i > 0; i, e = i-1, e.Prev() {
+		l.insertValue(e.Value, &l.root)
+	}
+}

common/net/http.go

@@ -1,5 +0,0 @@
-package net
-
-const (
-	UA = "Clash"
-)

common/net/relay.go

@@ -0,0 +1,30 @@
+package net
+
+import (
+	"io"
+	"net"
+	"time"
+
+	"github.com/Dreamacro/clash/common/pool"
+)
+
+// Relay copies between left and right bidirectionally.
+func Relay(leftConn, rightConn net.Conn) {
+	ch := make(chan error)
+
+	go func() {
+		buf := pool.Get(pool.RelayBufferSize)
+		// Wrapping to avoid using *net.TCPConn.(ReadFrom)
+		// See also https://github.com/Dreamacro/clash/pull/1209
+		_, err := io.CopyBuffer(WriteOnlyWriter{Writer: leftConn}, ReadOnlyReader{Reader: rightConn}, buf)
+		pool.Put(buf)
+		leftConn.SetReadDeadline(time.Now())
+		ch <- err
+	}()
+
+	buf := pool.Get(pool.RelayBufferSize)
+	io.CopyBuffer(WriteOnlyWriter{Writer: rightConn}, ReadOnlyReader{Reader: leftConn}, buf)
+	pool.Put(buf)
+	rightConn.SetReadDeadline(time.Now())
+	<-ch
+}

common/nnip/netip.go

@@ -0,0 +1,53 @@
+package nnip
+
+import (
+	"encoding/binary"
+	"net"
+	"net/netip"
+)
+
+// IpToAddr converts the net.IP to netip.Addr.
+// If slice's length is not 4 or 16, IpToAddr returns netip.Addr{}
+func IpToAddr(slice net.IP) netip.Addr {
+	ip := slice
+	if len(ip) != 4 {
+		if ip = slice.To4(); ip == nil {
+			ip = slice
+		}
+	}
+
+	if addr, ok := netip.AddrFromSlice(ip); ok {
+		return addr
+	}
+	return netip.Addr{}
+}
+
+// UnMasked returns p's last IP address.
+// If p is invalid, UnMasked returns netip.Addr{}
+func UnMasked(p netip.Prefix) netip.Addr {
+	if !p.IsValid() {
+		return netip.Addr{}
+	}
+
+	buf := p.Addr().As16()
+
+	hi := binary.BigEndian.Uint64(buf[:8])
+	lo := binary.BigEndian.Uint64(buf[8:])
+
+	bits := p.Bits()
+	if bits <= 32 {
+		bits += 96
+	}
+
+	hi = hi | ^uint64(0)>>bits
+	lo = lo | ^(^uint64(0) << (128 - bits))
+
+	binary.BigEndian.PutUint64(buf[:8], hi)
+	binary.BigEndian.PutUint64(buf[8:], lo)
+
+	addr := netip.AddrFrom16(buf)
+	if p.Addr().Is4() {
+		return addr.Unmap()
+	}
+	return addr
+}

common/observable/iterable.go

@@ -1,3 +1,3 @@
 package observable
 
-type Iterable <-chan any
+type Iterable[T any] <-chan T

common/observable/observable.go

@@ -5,14 +5,14 @@ import (
 	"sync"
 )
 
-type Observable struct {
-	iterable Iterable
-	listener map[Subscription]*Subscriber
+type Observable[T any] struct {
+	iterable Iterable[T]
+	listener map[Subscription[T]]*Subscriber[T]
 	mux      sync.Mutex
 	done     bool
 }
 
-func (o *Observable) process() {
+func (o *Observable[T]) process() {
 	for item := range o.iterable {
 		o.mux.Lock()
 		for _, sub := range o.listener {
@@ -23,7 +23,7 @@ func (o *Observable) process() {
 	o.close()
 }
 
-func (o *Observable) close() {
+func (o *Observable[T]) close() {
 	o.mux.Lock()
 	defer o.mux.Unlock()
 
@@ -33,18 +33,18 @@ func (o *Observable) close() {
 	}
 }
 
-func (o *Observable) Subscribe() (Subscription, error) {
+func (o *Observable[T]) Subscribe() (Subscription[T], error) {
 	o.mux.Lock()
 	defer o.mux.Unlock()
 	if o.done {
-		return nil, errors.New("Observable is closed")
+		return nil, errors.New("observable is closed")
 	}
-	subscriber := newSubscriber()
+	subscriber := newSubscriber[T]()
 	o.listener[subscriber.Out()] = subscriber
 	return subscriber.Out(), nil
 }
 
-func (o *Observable) UnSubscribe(sub Subscription) {
+func (o *Observable[T]) UnSubscribe(sub Subscription[T]) {
 	o.mux.Lock()
 	defer o.mux.Unlock()
 	subscriber, exist := o.listener[sub]
@@ -55,10 +55,10 @@ func (o *Observable) UnSubscribe(sub Subscription) {
 	subscriber.Close()
 }
 
-func NewObservable(any Iterable) *Observable {
-	observable := &Observable{
-		iterable: any,
-		listener: map[Subscription]*Subscriber{},
+func NewObservable[T any](iter Iterable[T]) *Observable[T] {
+	observable := &Observable[T]{
+		iterable: iter,
+		listener: map[Subscription[T]]*Subscriber[T]{},
 	}
 	go observable.process()
 	return observable

common/observable/observable_test.go

@@ -9,8 +9,8 @@ import (
 	"go.uber.org/atomic"
 )
 
-func iterator(item []any) chan any {
-	ch := make(chan any)
+func iterator[T any](item []T) chan T {
+	ch := make(chan T)
 	go func() {
 		time.Sleep(100 * time.Millisecond)
 		for _, elm := range item {
@@ -22,8 +22,8 @@ func iterator(item []any) chan any {
 }
 
 func TestObservable(t *testing.T) {
-	iter := iterator([]any{1, 2, 3, 4, 5})
-	src := NewObservable(iter)
+	iter := iterator[int]([]int{1, 2, 3, 4, 5})
+	src := NewObservable[int](iter)
 	data, err := src.Subscribe()
 	assert.Nil(t, err)
 	count := 0
@@ -34,15 +34,15 @@ func TestObservable(t *testing.T) {
 }
 
 func TestObservable_MultiSubscribe(t *testing.T) {
-	iter := iterator([]any{1, 2, 3, 4, 5})
-	src := NewObservable(iter)
+	iter := iterator[int]([]int{1, 2, 3, 4, 5})
+	src := NewObservable[int](iter)
 	ch1, _ := src.Subscribe()
 	ch2, _ := src.Subscribe()
 	count := atomic.NewInt32(0)
 
 	var wg sync.WaitGroup
 	wg.Add(2)
-	waitCh := func(ch <-chan any) {
+	waitCh := func(ch <-chan int) {
 		for range ch {
 			count.Inc()
 		}
@@ -55,8 +55,8 @@ func TestObservable_MultiSubscribe(t *testing.T) {
 }
 
 func TestObservable_UnSubscribe(t *testing.T) {
-	iter := iterator([]any{1, 2, 3, 4, 5})
-	src := NewObservable(iter)
+	iter := iterator[int]([]int{1, 2, 3, 4, 5})
+	src := NewObservable[int](iter)
 	data, err := src.Subscribe()
 	assert.Nil(t, err)
 	src.UnSubscribe(data)
@@ -65,8 +65,8 @@ func TestObservable_UnSubscribe(t *testing.T) {
 }
 
 func TestObservable_SubscribeClosedSource(t *testing.T) {
-	iter := iterator([]any{1})
-	src := NewObservable(iter)
+	iter := iterator[int]([]int{1})
+	src := NewObservable[int](iter)
 	data, _ := src.Subscribe()
 	<-data
 
@@ -75,18 +75,18 @@ func TestObservable_SubscribeClosedSource(t *testing.T) {
 }
 
 func TestObservable_UnSubscribeWithNotExistSubscription(t *testing.T) {
-	sub := Subscription(make(chan any))
-	iter := iterator([]any{1})
-	src := NewObservable(iter)
+	sub := Subscription[int](make(chan int))
+	iter := iterator[int]([]int{1})
+	src := NewObservable[int](iter)
 	src.UnSubscribe(sub)
 }
 
 func TestObservable_SubscribeGoroutineLeak(t *testing.T) {
-	iter := iterator([]any{1, 2, 3, 4, 5})
-	src := NewObservable(iter)
+	iter := iterator[int]([]int{1, 2, 3, 4, 5})
+	src := NewObservable[int](iter)
 	max := 100
 
-	var list []Subscription
+	var list []Subscription[int]
 	for i := 0; i < max; i++ {
 		ch, _ := src.Subscribe()
 		list = append(list, ch)
@@ -94,7 +94,7 @@ func TestObservable_SubscribeGoroutineLeak(t *testing.T) {
 
 	var wg sync.WaitGroup
 	wg.Add(max)
-	waitCh := func(ch <-chan any) {
+	waitCh := func(ch <-chan int) {
 		for range ch {
 		}
 		wg.Done()
@@ -115,11 +115,11 @@ func TestObservable_SubscribeGoroutineLeak(t *testing.T) {
 }
 
 func Benchmark_Observable_1000(b *testing.B) {
-	ch := make(chan any)
-	o := NewObservable(ch)
+	ch := make(chan int)
+	o := NewObservable[int](ch)
 	num := 1000
 
-	subs := []Subscription{}
+	subs := []Subscription[int]{}
 	for i := 0; i < num; i++ {
 		sub, _ := o.Subscribe()
 		subs = append(subs, sub)
@@ -130,7 +130,7 @@ func Benchmark_Observable_1000(b *testing.B) {
 
 	b.ResetTimer()
 	for _, sub := range subs {
-		go func(s Subscription) {
+		go func(s Subscription[int]) {
 			for range s {
 			}
 			wg.Done()

common/observable/subscriber.go

@@ -4,30 +4,30 @@ import (
 	"sync"
 )
 
-type Subscription <-chan any
+type Subscription[T any] <-chan T
 
-type Subscriber struct {
-	buffer chan any
+type Subscriber[T any] struct {
+	buffer chan T
 	once   sync.Once
 }
 
-func (s *Subscriber) Emit(item any) {
+func (s *Subscriber[T]) Emit(item T) {
 	s.buffer <- item
 }
 
-func (s *Subscriber) Out() Subscription {
+func (s *Subscriber[T]) Out() Subscription[T] {
 	return s.buffer
 }
 
-func (s *Subscriber) Close() {
+func (s *Subscriber[T]) Close() {
 	s.once.Do(func() {
 		close(s.buffer)
 	})
 }
 
-func newSubscriber() *Subscriber {
-	sub := &Subscriber{
-		buffer: make(chan any, 200),
+func newSubscriber[T any]() *Subscriber[T] {
+	sub := &Subscriber[T]{
+		buffer: make(chan T, 200),
 	}
 	return sub
 }

common/picker/picker.go

@@ -9,7 +9,7 @@ import (
 // Picker provides synchronization, and Context cancelation
 // for groups of goroutines working on subtasks of a common task.
 // Inspired by errGroup
-type Picker struct {
+type Picker[T any] struct {
 	ctx    context.Context
 	cancel func()
 
@@ -17,12 +17,12 @@ type Picker struct {
 
 	once    sync.Once
 	errOnce sync.Once
-	result  any
+	result  T
 	err     error
 }
 
-func newPicker(ctx context.Context, cancel func()) *Picker {
-	return &Picker{
+func newPicker[T any](ctx context.Context, cancel func()) *Picker[T] {
+	return &Picker[T]{
 		ctx:    ctx,
 		cancel: cancel,
 	}
@@ -30,20 +30,20 @@ func newPicker(ctx context.Context, cancel func()) *Picker {
 
 // WithContext returns a new Picker and an associated Context derived from ctx.
 // and cancel when first element return.
-func WithContext(ctx context.Context) (*Picker, context.Context) {
+func WithContext[T any](ctx context.Context) (*Picker[T], context.Context) {
 	ctx, cancel := context.WithCancel(ctx)
-	return newPicker(ctx, cancel), ctx
+	return newPicker[T](ctx, cancel), ctx
 }
 
 // WithTimeout returns a new Picker and an associated Context derived from ctx with timeout.
-func WithTimeout(ctx context.Context, timeout time.Duration) (*Picker, context.Context) {
+func WithTimeout[T any](ctx context.Context, timeout time.Duration) (*Picker[T], context.Context) {
 	ctx, cancel := context.WithTimeout(ctx, timeout)
-	return newPicker(ctx, cancel), ctx
+	return newPicker[T](ctx, cancel), ctx
 }
 
 // Wait blocks until all function calls from the Go method have returned,
 // then returns the first nil error result (if any) from them.
-func (p *Picker) Wait() any {
+func (p *Picker[T]) Wait() T {
 	p.wg.Wait()
 	if p.cancel != nil {
 		p.cancel()
@@ -52,13 +52,13 @@ func (p *Picker) Wait() any {
 }
 
 // Error return the first error (if all success return nil)
-func (p *Picker) Error() error {
+func (p *Picker[T]) Error() error {
 	return p.err
 }
 
 // Go calls the given function in a new goroutine.
 // The first call to return a nil error cancels the group; its result will be returned by Wait.
-func (p *Picker) Go(f func() (any, error)) {
+func (p *Picker[T]) Go(f func() (T, error)) {
 	p.wg.Add(1)
 
 	go func() {

common/picker/picker_test.go

@@ -8,33 +8,38 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func sleepAndSend(ctx context.Context, delay int, input any) func() (any, error) {
-	return func() (any, error) {
+func sleepAndSend[T any](ctx context.Context, delay int, input T) func() (T, error) {
+	return func() (T, error) {
 		timer := time.NewTimer(time.Millisecond * time.Duration(delay))
 		select {
 		case <-timer.C:
 			return input, nil
 		case <-ctx.Done():
-			return nil, ctx.Err()
+			return getZero[T](), ctx.Err()
 		}
 	}
 }
 
 func TestPicker_Basic(t *testing.T) {
-	picker, ctx := WithContext(context.Background())
+	picker, ctx := WithContext[int](context.Background())
 	picker.Go(sleepAndSend(ctx, 30, 2))
 	picker.Go(sleepAndSend(ctx, 20, 1))
 
 	number := picker.Wait()
 	assert.NotNil(t, number)
-	assert.Equal(t, number.(int), 1)
+	assert.Equal(t, number, 1)
 }
 
 func TestPicker_Timeout(t *testing.T) {
-	picker, ctx := WithTimeout(context.Background(), time.Millisecond*5)
+	picker, ctx := WithTimeout[int](context.Background(), time.Millisecond*5)
 	picker.Go(sleepAndSend(ctx, 20, 1))
 
 	number := picker.Wait()
-	assert.Nil(t, number)
+	assert.Equal(t, number, getZero[int]())
 	assert.NotNil(t, picker.Error())
 }
+
+func getZero[T any]() T {
+	var result T
+	return result
+}

common/pool/alloc.go

@@ -6,10 +6,16 @@ import (
 	"errors"
 	"math/bits"
 	"sync"
+
+	"github.com/sagernet/sing/common/buf"
 )
 
 var defaultAllocator = NewAllocator()
 
+func init() {
+	buf.DefaultAllocator = defaultAllocator
+}
+
 // Allocator for incoming frames, optimized to prevent overwriting after zeroing
 type Allocator struct {
 	buffers []sync.Pool
@@ -52,8 +58,8 @@ func (alloc *Allocator) Put(buf []byte) error {
 		return errors.New("allocator Put() incorrect buffer size")
 	}
 
-	//lint:ignore SA6002 ignore temporarily
 	//nolint
+	//lint:ignore SA6002 ignore temporarily
 	alloc.buffers[bits].Put(buf)
 	return nil
 }

common/singledo/singledo.go

@@ -5,28 +5,27 @@ import (
 	"time"
 )
 
-type call struct {
+type call[T any] struct {
 	wg  sync.WaitGroup
-	val any
+	val T
 	err error
 }
 
-type Single struct {
+type Single[T any] struct {
 	mux    sync.Mutex
 	last   time.Time
 	wait   time.Duration
-	call   *call
-	result *Result
+	call   *call[T]
+	result *Result[T]
 }
 
-type Result struct {
-	Val any
+type Result[T any] struct {
+	Val T
 	Err error
 }
 
 // Do single.Do likes sync.singleFlight
-//lint:ignore ST1008 it likes sync.singleFlight
-func (s *Single) Do(fn func() (any, error)) (v any, err error, shared bool) {
+func (s *Single[T]) Do(fn func() (T, error)) (v T, err error, shared bool) {
 	s.mux.Lock()
 	now := time.Now()
 	if now.Before(s.last.Add(s.wait)) {
@@ -34,31 +33,31 @@ func (s *Single) Do(fn func() (any, error)) (v any, err error, shared bool) {
 		return s.result.Val, s.result.Err, true
 	}
 
-	if call := s.call; call != nil {
+	if callM := s.call; callM != nil {
 		s.mux.Unlock()
-		call.wg.Wait()
-		return call.val, call.err, true
+		callM.wg.Wait()
+		return callM.val, callM.err, true
 	}
 
-	call := &call{}
-	call.wg.Add(1)
-	s.call = call
+	callM := &call[T]{}
+	callM.wg.Add(1)
+	s.call = callM
 	s.mux.Unlock()
-	call.val, call.err = fn()
-	call.wg.Done()
+	callM.val, callM.err = fn()
+	callM.wg.Done()
 
 	s.mux.Lock()
 	s.call = nil
-	s.result = &Result{call.val, call.err}
+	s.result = &Result[T]{callM.val, callM.err}
 	s.last = now
 	s.mux.Unlock()
-	return call.val, call.err, false
+	return callM.val, callM.err, false
 }
 
-func (s *Single) Reset() {
+func (s *Single[T]) Reset() {
 	s.last = time.Time{}
 }
 
-func NewSingle(wait time.Duration) *Single {
-	return &Single{wait: wait}
+func NewSingle[T any](wait time.Duration) *Single[T] {
+	return &Single[T]{wait: wait}
 }

common/singledo/singledo_test.go

@@ -10,13 +10,13 @@ import (
 )
 
 func TestBasic(t *testing.T) {
-	single := NewSingle(time.Millisecond * 30)
+	single := NewSingle[int](time.Millisecond * 30)
 	foo := 0
 	shardCount := atomic.NewInt32(0)
-	call := func() (any, error) {
+	call := func() (int, error) {
 		foo++
 		time.Sleep(time.Millisecond * 5)
-		return nil, nil
+		return 0, nil
 	}
 
 	var wg sync.WaitGroup
@@ -38,32 +38,32 @@ func TestBasic(t *testing.T) {
 }
 
 func TestTimer(t *testing.T) {
-	single := NewSingle(time.Millisecond * 30)
+	single := NewSingle[int](time.Millisecond * 30)
 	foo := 0
-	call := func() (any, error) {
+	callM := func() (int, error) {
 		foo++
-		return nil, nil
+		return 0, nil
 	}
 
-	single.Do(call)
+	_, _, _ = single.Do(callM)
 	time.Sleep(10 * time.Millisecond)
-	_, _, shard := single.Do(call)
+	_, _, shard := single.Do(callM)
 
 	assert.Equal(t, 1, foo)
 	assert.True(t, shard)
 }
 
 func TestReset(t *testing.T) {
-	single := NewSingle(time.Millisecond * 30)
+	single := NewSingle[int](time.Millisecond * 30)
 	foo := 0
-	call := func() (any, error) {
+	callM := func() (int, error) {
 		foo++
-		return nil, nil
+		return 0, nil
 	}
 
-	single.Do(call)
+	_, _, _ = single.Do(callM)
 	single.Reset()
-	single.Do(call)
+	_, _, _ = single.Do(callM)
 
 	assert.Equal(t, 2, foo)
 }

common/structure/structure.go

@@ -31,7 +31,7 @@ func NewDecoder(option Option) *Decoder {
 // Decode transform a map[string]any to a struct
 func (d *Decoder) Decode(src map[string]any, dst any) error {
 	if reflect.TypeOf(dst).Kind() != reflect.Ptr {
-		return fmt.Errorf("Decode must recive a ptr struct")
+		return fmt.Errorf("decode must recive a ptr struct")
 	}
 	t := reflect.TypeOf(dst).Elem()
 	v := reflect.ValueOf(dst).Elem()
@@ -159,9 +159,19 @@ func (d *Decoder) decodeSlice(name string, data any, val reflect.Value) error {
 		for valSlice.Len() <= i {
 			valSlice = reflect.Append(valSlice, reflect.Zero(valElemType))
 		}
-		currentField := valSlice.Index(i)
-
 		fieldName := fmt.Sprintf("%s[%d]", name, i)
+		if currentData == nil {
+			// in weakly type mode, null will convert to zero value
+			if d.option.WeaklyTypedInput {
+				continue
+			}
+			// in non-weakly type mode, null will convert to nil if element's zero value is nil, otherwise return an error
+			if elemKind := valElemType.Kind(); elemKind == reflect.Map || elemKind == reflect.Slice {
+				continue
+			}
+			return fmt.Errorf("'%s' can not be null", fieldName)
+		}
+		currentField := valSlice.Index(i)
 		if err := d.decode(fieldName, currentData, currentField); err != nil {
 			return err
 		}
@@ -291,7 +301,7 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 		field reflect.StructField
 		val   reflect.Value
 	}
-	fields := []field{}
+	var fields []field
 	for len(structs) > 0 {
 		structVal := structs[0]
 		structs = structs[1:]

common/utils/range.go

@@ -0,0 +1,44 @@
+package utils
+
+import (
+	"golang.org/x/exp/constraints"
+)
+
+type Range[T constraints.Ordered] struct {
+	start T
+	end   T
+}
+
+func NewRange[T constraints.Ordered](start, end T) *Range[T] {
+	if start > end {
+		return &Range[T]{
+			start: end,
+			end:   start,
+		}
+	}
+
+	return &Range[T]{
+		start: start,
+		end:   end,
+	}
+}
+
+func (r *Range[T]) Contains(t T) bool {
+	return t >= r.start && t <= r.end
+}
+
+func (r *Range[T]) LeftContains(t T) bool {
+	return t >= r.start && t < r.end
+}
+
+func (r *Range[T]) RightContains(t T) bool {
+	return t > r.start && t <= r.end
+}
+
+func (r *Range[T]) Start() T {
+	return r.start
+}
+
+func (r *Range[T]) End() T {
+	return r.end
+}

common/utils/uuid.go

@@ -0,0 +1,16 @@
+package utils
+
+import (
+	"github.com/gofrs/uuid"
+)
+
+var uuidNamespace, _ = uuid.FromString("00000000-0000-0000-0000-000000000000")
+
+// UUIDMap https://github.com/XTLS/Xray-core/issues/158#issue-783294090
+func UUIDMap(str string) (uuid.UUID, error) {
+	u, err := uuid.FromString(str)
+	if err != nil {
+		return uuid.NewV5(uuidNamespace, str), nil
+	}
+	return u, nil
+}

common/utils/uuid_test.go

@@ -0,0 +1,75 @@
+package utils
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/gofrs/uuid"
+)
+
+func TestUUIDMap(t *testing.T) {
+	type args struct {
+		str string
+	}
+
+	tests := []struct {
+		name    string
+		args    args
+		want    uuid.UUID
+		wantErr bool
+	}{
+		{
+			name: "uuid-test-1",
+			args: args{
+				str: "82410302-039e-41b6-98b0-d964084b4170",
+			},
+			want:    uuid.FromStringOrNil("82410302-039e-41b6-98b0-d964084b4170"),
+			wantErr: false,
+		},
+		{
+			name: "uuid-test-2",
+			args: args{
+				str: "88c502e6-d7eb-4c8e-8259-94cb13d83c77",
+			},
+			want:    uuid.FromStringOrNil("88c502e6-d7eb-4c8e-8259-94cb13d83c77"),
+			wantErr: false,
+		},
+		{
+			name: "uuid-map-1",
+			args: args{
+				str: "123456",
+			},
+			want:    uuid.FromStringOrNil("f8598425-92f2-5508-a071-4fc67f9040ac"),
+			wantErr: false,
+		},
+		// GENERATED BY 'xray uuid -i'
+		{
+			name: "uuid-map-2",
+			args: args{
+				str: "a9dk23bz0",
+			},
+			want:    uuid.FromStringOrNil("c91481b6-fc0f-5d9e-b166-5ddf07b9c3c5"),
+			wantErr: false,
+		},
+		{
+			name: "uuid-map-2",
+			args: args{
+				str: "中文123",
+			},
+			want:    uuid.FromStringOrNil("145c544c-2229-59e5-8dbb-3f33b7610d26"),
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := UUIDMap(tt.args.str)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("UUIDMap() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("UUIDMap() got = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

component/dhcp/dhcp.go

@@ -4,9 +4,10 @@ import (
 	"context"
 	"errors"
 	"net"
+	"net/netip"
 
+	"github.com/Dreamacro/clash/common/nnip"
 	"github.com/Dreamacro/clash/component/iface"
-
 	"github.com/insomniacslk/dhcp/dhcpv4"
 )
 
@@ -15,14 +16,16 @@ var (
 	ErrNotFound      = errors.New("DNS option not found")
 )
 
-func ResolveDNSFromDHCP(context context.Context, ifaceName string) ([]net.IP, error) {
+func ResolveDNSFromDHCP(context context.Context, ifaceName string) ([]netip.Addr, error) {
 	conn, err := ListenDHCPClient(context, ifaceName)
 	if err != nil {
 		return nil, err
 	}
-	defer conn.Close()
+	defer func() {
+		_ = conn.Close()
+	}()
 
-	result := make(chan []net.IP, 1)
+	result := make(chan []netip.Addr, 1)
 
 	ifaceObj, err := iface.ResolveInterface(ifaceName)
 	if err != nil {
@@ -52,7 +55,7 @@ func ResolveDNSFromDHCP(context context.Context, ifaceName string) ([]net.IP, er
 	}
 }
 
-func receiveOffer(conn net.PacketConn, id dhcpv4.TransactionID, result chan<- []net.IP) {
+func receiveOffer(conn net.PacketConn, id dhcpv4.TransactionID, result chan<- []netip.Addr) {
 	defer close(result)
 
 	buf := make([]byte, dhcpv4.MaxMessageSize)
@@ -77,11 +80,17 @@ func receiveOffer(conn net.PacketConn, id dhcpv4.TransactionID, result chan<- []
 		}
 
 		dns := pkt.DNS()
-		if len(dns) == 0 {
+		l := len(dns)
+		if l == 0 {
 			return
 		}
 
-		result <- dns
+		dnsAddr := make([]netip.Addr, l)
+		for i := 0; i < l; i++ {
+			dnsAddr[i] = nnip.IpToAddr(dns[i])
+		}
+
+		result <- dnsAddr
 
 		return
 	}

component/dialer/bind_darwin.go

@@ -2,10 +2,10 @@ package dialer
 
 import (
 	"net"
+	"net/netip"
 	"syscall"
 
 	"github.com/Dreamacro/clash/component/iface"
-
 	"golang.org/x/sys/unix"
 )
 
@@ -19,12 +19,9 @@ func bindControl(ifaceIdx int, chain controlFn) controlFn {
 			}
 		}()
 
-		ipStr, _, err := net.SplitHostPort(address)
-		if err == nil {
-			ip := net.ParseIP(ipStr)
-			if ip != nil && !ip.IsGlobalUnicast() {
-				return
-			}
+		addrPort, err := netip.ParseAddrPort(address)
+		if err == nil && !addrPort.Addr().IsGlobalUnicast() {
+			return
 		}
 
 		var innerErr error
@@ -45,7 +42,7 @@ func bindControl(ifaceIdx int, chain controlFn) controlFn {
 	}
 }
 
-func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ net.IP) error {
+func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ netip.Addr) error {
 	ifaceObj, err := iface.ResolveInterface(ifaceName)
 	if err != nil {
 		return err

component/dialer/bind_linux.go

@@ -2,6 +2,7 @@ package dialer
 
 import (
 	"net"
+	"net/netip"
 	"syscall"
 
 	"golang.org/x/sys/unix"
@@ -17,12 +18,9 @@ func bindControl(ifaceName string, chain controlFn) controlFn {
 			}
 		}()
 
-		ipStr, _, err := net.SplitHostPort(address)
-		if err == nil {
-			ip := net.ParseIP(ipStr)
-			if ip != nil && !ip.IsGlobalUnicast() {
-				return
-			}
+		addrPort, err := netip.ParseAddrPort(address)
+		if err == nil && !addrPort.Addr().IsGlobalUnicast() {
+			return
 		}
 
 		var innerErr error
@@ -38,7 +36,7 @@ func bindControl(ifaceName string, chain controlFn) controlFn {
 	}
 }
 
-func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ net.IP) error {
+func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ netip.Addr) error {
 	dialer.Control = bindControl(ifaceName, dialer.Control)
 
 	return nil

component/dialer/bind_others.go

@@ -4,27 +4,28 @@ package dialer
 
 import (
 	"net"
+	"net/netip"
 	"strconv"
 	"strings"
 
 	"github.com/Dreamacro/clash/component/iface"
 )
 
-func lookupLocalAddr(ifaceName string, network string, destination net.IP, port int) (net.Addr, error) {
+func lookupLocalAddr(ifaceName string, network string, destination netip.Addr, port int) (net.Addr, error) {
 	ifaceObj, err := iface.ResolveInterface(ifaceName)
 	if err != nil {
 		return nil, err
 	}
 
-	var addr *net.IPNet
+	var addr *netip.Prefix
 	switch network {
 	case "udp4", "tcp4":
 		addr, err = ifaceObj.PickIPv4Addr(destination)
 	case "tcp6", "udp6":
 		addr, err = ifaceObj.PickIPv6Addr(destination)
 	default:
-		if destination != nil {
-			if destination.To4() != nil {
+		if destination.IsValid() {
+			if destination.Is4() {
 				addr, err = ifaceObj.PickIPv4Addr(destination)
 			} else {
 				addr, err = ifaceObj.PickIPv6Addr(destination)
@@ -39,12 +40,12 @@ func lookupLocalAddr(ifaceName string, network string, destination net.IP, port
 
 	if strings.HasPrefix(network, "tcp") {
 		return &net.TCPAddr{
-			IP:   addr.IP,
+			IP:   addr.Addr().AsSlice(),
 			Port: port,
 		}, nil
 	} else if strings.HasPrefix(network, "udp") {
 		return &net.UDPAddr{
-			IP:   addr.IP,
+			IP:   addr.Addr().AsSlice(),
 			Port: port,
 		}, nil
 	}
@@ -52,7 +53,7 @@ func lookupLocalAddr(ifaceName string, network string, destination net.IP, port
 	return nil, iface.ErrAddrNotFound
 }
 
-func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, network string, destination net.IP) error {
+func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, network string, destination netip.Addr) error {
 	if !destination.IsGlobalUnicast() {
 		return nil
 	}
@@ -83,7 +84,7 @@ func bindIfaceToListenConfig(ifaceName string, _ *net.ListenConfig, network, add
 
 	local, _ := strconv.ParseUint(port, 10, 16)
 
-	addr, err := lookupLocalAddr(ifaceName, network, nil, int(local))
+	addr, err := lookupLocalAddr(ifaceName, network, netip.Addr{}, int(local))
 	if err != nil {
 		return "", err
 	}

component/dialer/dialer.go

@@ -3,11 +3,22 @@ package dialer
 import (
 	"context"
 	"errors"
+	"fmt"
 	"net"
+	"net/netip"
+	"sync"
 
 	"github.com/Dreamacro/clash/component/resolver"
 )
 
+var (
+	dialMux                    sync.Mutex
+	actualSingleDialContext    = singleDialContext
+	actualDualStackDialContext = dualStackDialContext
+	tcpConcurrent              = false
+	DisableIPv6                = false
+)
+
 func DialContext(ctx context.Context, network, address string, options ...Option) (net.Conn, error) {
 	opt := &option{
 		interfaceName: DefaultInterface.Load(),
@@ -24,33 +35,9 @@ func DialContext(ctx context.Context, network, address string, options ...Option
 
 	switch network {
 	case "tcp4", "tcp6", "udp4", "udp6":
-		host, port, err := net.SplitHostPort(address)
-		if err != nil {
-			return nil, err
-		}
-
-		var ip net.IP
-		switch network {
-		case "tcp4", "udp4":
-			if !opt.direct {
-				ip, err = resolver.ResolveIPv4ProxyServerHost(host)
-			} else {
-				ip, err = resolver.ResolveIPv4(host)
-			}
-		default:
-			if !opt.direct {
-				ip, err = resolver.ResolveIPv6ProxyServerHost(host)
-			} else {
-				ip, err = resolver.ResolveIPv6(host)
-			}
-		}
-		if err != nil {
-			return nil, err
-		}
-
-		return dialContext(ctx, network, ip, port, opt)
+		return actualSingleDialContext(ctx, network, address, opt)
 	case "tcp", "udp":
-		return dualStackDialContext(ctx, network, address, opt)
+		return actualDualStackDialContext(ctx, network, address, opt)
 	default:
 		return nil, errors.New("network invalid")
 	}
@@ -88,7 +75,25 @@ func ListenPacket(ctx context.Context, network, address string, options ...Optio
 	return lc.ListenPacket(ctx, network, address)
 }
 
-func dialContext(ctx context.Context, network string, destination net.IP, port string, opt *option) (net.Conn, error) {
+func SetDial(concurrent bool) {
+	dialMux.Lock()
+	tcpConcurrent = concurrent
+	if concurrent {
+		actualSingleDialContext = concurrentSingleDialContext
+		actualDualStackDialContext = concurrentDualStackDialContext
+	} else {
+		actualSingleDialContext = singleDialContext
+		actualDualStackDialContext = dualStackDialContext
+	}
+
+	dialMux.Unlock()
+}
+
+func GetDial() bool {
+	return tcpConcurrent
+}
+
+func dialContext(ctx context.Context, network string, destination netip.Addr, port string, opt *option) (net.Conn, error) {
 	dialer := &net.Dialer{}
 	if opt.interfaceName != "" {
 		if err := bindIfaceToDialer(opt.interfaceName, dialer, network, destination); err != nil {
@@ -99,6 +104,10 @@ func dialContext(ctx context.Context, network string, destination net.IP, port s
 		bindMarkToDialer(opt.routingMark, dialer, network, destination)
 	}
 
+	if DisableIPv6 && destination.Is6() {
+		return nil, fmt.Errorf("IPv6 is diabled, dialer cancel")
+	}
+
 	return dialer.DialContext(ctx, network, net.JoinHostPort(destination.String(), port))
 }
 
@@ -128,12 +137,12 @@ func dualStackDialContext(ctx context.Context, network, address string, opt *opt
 			case results <- result:
 			case <-returned:
 				if result.Conn != nil {
-					result.Conn.Close()
+					_ = result.Conn.Close()
 				}
 			}
 		}()
 
-		var ip net.IP
+		var ip netip.Addr
 		if ipv6 {
 			if !direct {
 				ip, result.error = resolver.ResolveIPv6ProxyServerHost(host)
@@ -182,3 +191,130 @@ func dualStackDialContext(ctx context.Context, network, address string, opt *opt
 
 	return nil, errors.New("never touched")
 }
+
+func concurrentDualStackDialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
+	host, port, err := net.SplitHostPort(address)
+	if err != nil {
+		return nil, err
+	}
+
+	var ips []netip.Addr
+
+	if opt.direct {
+		ips, err = resolver.ResolveAllIP(host)
+	} else {
+		ips, err = resolver.ResolveAllIPProxyServerHost(host)
+	}
+
+	return concurrentDialContext(ctx, network, ips, port, opt)
+}
+
+func concurrentDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
+	returned := make(chan struct{})
+	defer close(returned)
+
+	type dialResult struct {
+		ip netip.Addr
+		net.Conn
+		error
+		resolved bool
+	}
+
+	results := make(chan dialResult)
+
+	tcpRacer := func(ctx context.Context, ip netip.Addr) {
+		result := dialResult{ip: ip}
+
+		defer func() {
+			select {
+			case results <- result:
+			case <-returned:
+				if result.Conn != nil {
+					result.Conn.Close()
+				}
+			}
+		}()
+
+		v := "4"
+		if ip.Is6() {
+			v = "6"
+		}
+
+		result.Conn, result.error = dialContext(ctx, network+v, ip, port, opt)
+	}
+
+	for _, ip := range ips {
+		go tcpRacer(ctx, ip)
+	}
+
+	connCount := len(ips)
+	for res := range results {
+		connCount--
+		if res.error == nil {
+			return res.Conn, nil
+		}
+
+		if connCount == 0 {
+			break
+		}
+	}
+
+	return nil, fmt.Errorf("all ips %v tcp shake hands failed", ips)
+}
+
+func singleDialContext(ctx context.Context, network string, address string, opt *option) (net.Conn, error) {
+	host, port, err := net.SplitHostPort(address)
+	if err != nil {
+		return nil, err
+	}
+
+	var ip netip.Addr
+	switch network {
+	case "tcp4", "udp4":
+		if !opt.direct {
+			ip, err = resolver.ResolveIPv4ProxyServerHost(host)
+		} else {
+			ip, err = resolver.ResolveIPv4(host)
+		}
+	default:
+		if !opt.direct {
+			ip, err = resolver.ResolveIPv6ProxyServerHost(host)
+		} else {
+			ip, err = resolver.ResolveIPv6(host)
+		}
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	return dialContext(ctx, network, ip, port, opt)
+}
+
+func concurrentSingleDialContext(ctx context.Context, network string, address string, opt *option) (net.Conn, error) {
+	host, port, err := net.SplitHostPort(address)
+	if err != nil {
+		return nil, err
+	}
+
+	var ips []netip.Addr
+	switch network {
+	case "tcp4", "udp4":
+		if !opt.direct {
+			ips, err = resolver.ResolveAllIPv4ProxyServerHost(host)
+		} else {
+			ips, err = resolver.ResolveAllIPv4(host)
+		}
+	default:
+		if !opt.direct {
+			ips, err = resolver.ResolveAllIPv6ProxyServerHost(host)
+		} else {
+			ips, err = resolver.ResolveAllIPv6(host)
+		}
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	return concurrentDialContext(ctx, network, ips, port, opt)
+}

component/dialer/mark_linux.go

@@ -4,14 +4,15 @@ package dialer
 
 import (
 	"net"
+	"net/netip"
 	"syscall"
 )
 
-func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ net.IP) {
+func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ netip.Addr) {
 	dialer.Control = bindMarkToControl(mark, dialer.Control)
 }
 
-func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, address string) {
+func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, _ string) {
 	lc.Control = bindMarkToControl(mark, lc.Control)
 }
 
@@ -23,20 +24,17 @@ func bindMarkToControl(mark int, chain controlFn) controlFn {
 			}
 		}()
 
-		ipStr, _, err := net.SplitHostPort(address)
-		if err == nil {
-			ip := net.ParseIP(ipStr)
-			if ip != nil && !ip.IsGlobalUnicast() {
-				return
-			}
+		addrPort, err := netip.ParseAddrPort(address)
+		if err == nil && !addrPort.Addr().IsGlobalUnicast() {
+			return
 		}
 
 		return c.Control(func(fd uintptr) {
 			switch network {
 			case "tcp4", "udp4":
-				syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
+				_ = syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
 			case "tcp6", "udp6":
-				syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
+				_ = syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
 			}
 		})
 	}

component/dialer/mark_nonlinux.go

@@ -4,6 +4,7 @@ package dialer
 
 import (
 	"net"
+	"net/netip"
 	"sync"
 
 	"github.com/Dreamacro/clash/log"
@@ -17,10 +18,10 @@ func printMarkWarn() {
 	})
 }
 
-func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ net.IP) {
+func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ netip.Addr) {
 	printMarkWarn()
 }
 
-func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, address string) {
+func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, _ string) {
 	printMarkWarn()
 }

component/dialer/resolver.go

@@ -3,6 +3,7 @@ package dialer
 import (
 	"context"
 	"net"
+	"net/netip"
 )
 
 func init() {
@@ -18,9 +19,9 @@ func resolverDialContext(ctx context.Context, network, address string) (net.Conn
 	interfaceName := DefaultInterface.Load()
 
 	if interfaceName != "" {
-		dstIP := net.ParseIP(address)
-		if dstIP != nil {
-			bindIfaceToDialer(interfaceName, d, network, dstIP)
+		dstIP, err := netip.ParseAddr(address)
+		if err == nil {
+			_ = bindIfaceToDialer(interfaceName, d, network, dstIP)
 		}
 	}
 

component/fakeip/pool.go

@@ -1,20 +1,19 @@
 package fakeip
 
 import (
-	"encoding/binary"
 	"errors"
-	"math/bits"
 	"net/netip"
 	"sync"
 
+	"github.com/Dreamacro/clash/common/nnip"
 	"github.com/Dreamacro/clash/component/profile/cachefile"
 	"github.com/Dreamacro/clash/component/trie"
 )
 
-type uint128 struct {
-	hi uint64
-	lo uint64
-}
+const (
+	offsetKey = "key-offset-fake-ip"
+	cycleKey  = "key-cycle-fake-ip"
+)
 
 type store interface {
 	GetByHost(host string) (netip.Addr, bool)
@@ -98,22 +97,15 @@ func (p *Pool) CloneFrom(o *Pool) {
 }
 
 func (p *Pool) get(host string) netip.Addr {
-	for {
-		p.offset = p.offset.Next()
+	p.offset = p.offset.Next()
 
-		if !p.offset.Less(p.last) {
-			p.cycle = true
-			p.offset = p.first
-		}
+	if !p.offset.Less(p.last) {
+		p.cycle = true
+		p.offset = p.first
+	}
 
-		if p.cycle {
-			p.store.DelByIP(p.offset)
-			break
-		}
-
-		if !p.store.Exist(p.offset) {
-			break
-		}
+	if p.cycle || p.store.Exist(p.offset) {
+		p.store.DelByIP(p.offset)
 	}
 
 	p.store.PutByIP(p.offset, host)
@@ -121,7 +113,39 @@ func (p *Pool) get(host string) netip.Addr {
 }
 
 func (p *Pool) FlushFakeIP() error {
-	return p.store.FlushFakeIP()
+	err := p.store.FlushFakeIP()
+	if err == nil {
+		p.cycle = false
+		p.offset = p.first.Prev()
+	}
+	return err
+}
+
+func (p *Pool) StoreState() {
+	if s, ok := p.store.(*cachefileStore); ok {
+		s.PutByHost(offsetKey, p.offset)
+		if p.cycle {
+			s.PutByHost(cycleKey, p.offset)
+		}
+	}
+}
+
+func (p *Pool) restoreState() {
+	if s, ok := p.store.(*cachefileStore); ok {
+		if _, exist := s.GetByHost(cycleKey); exist {
+			p.cycle = true
+		}
+
+		if offset, exist := s.GetByHost(offsetKey); exist {
+			if p.ipnet.Contains(offset) {
+				p.offset = offset
+			} else {
+				_ = p.FlushFakeIP()
+			}
+		} else if s.Exist(p.first) {
+			_ = p.FlushFakeIP()
+		}
+	}
 }
 
 type Options struct {
@@ -143,10 +167,10 @@ func New(options Options) (*Pool, error) {
 		hostAddr = options.IPNet.Masked().Addr()
 		gateway  = hostAddr.Next()
 		first    = gateway.Next().Next()
-		last     = add(hostAddr, 1<<uint64(hostAddr.BitLen()-options.IPNet.Bits())-1)
+		last     = nnip.UnMasked(*options.IPNet)
 	)
 
-	if !options.IPNet.IsValid() || !first.Less(last) || !options.IPNet.Contains(last) {
+	if !options.IPNet.IsValid() || !first.IsValid() || !first.Less(last) {
 		return nil, errors.New("ipnet don't have valid ip")
 	}
 
@@ -167,31 +191,7 @@ func New(options Options) (*Pool, error) {
 		pool.store = newMemoryStore(options.Size)
 	}
 
+	pool.restoreState()
+
 	return pool, nil
 }
-
-// add returns addr + n.
-func add(addr netip.Addr, n uint64) netip.Addr {
-	buf := addr.As16()
-
-	u := uint128{
-		binary.BigEndian.Uint64(buf[:8]),
-		binary.BigEndian.Uint64(buf[8:]),
-	}
-
-	lo, carry := bits.Add64(u.lo, n, 0)
-
-	u.hi = u.hi + carry
-	u.lo = lo
-
-	binary.BigEndian.PutUint64(buf[:8], u.hi)
-	binary.BigEndian.PutUint64(buf[8:], u.lo)
-
-	a := netip.AddrFrom16(buf)
-
-	if addr.Is4() {
-		return a.Unmap()
-	}
-
-	return a
-}

component/fakeip/pool_test.go

@@ -9,7 +9,6 @@ import (
 
 	"github.com/Dreamacro/clash/component/profile/cachefile"
 	"github.com/Dreamacro/clash/component/trie"
-
 	"github.com/stretchr/testify/assert"
 	"go.etcd.io/bbolt"
 )
@@ -240,13 +239,15 @@ func TestPool_FlushFileCache(t *testing.T) {
 		err = pool.FlushFakeIP()
 		assert.Nil(t, err)
 
-		baz := pool.Lookup("foo.com")
 		next := pool.Lookup("baz.com")
+		baz := pool.Lookup("foo.com")
 		nero := pool.Lookup("foo.com")
 
 		assert.True(t, foo == fox)
+		assert.True(t, foo == next)
 		assert.False(t, foo == baz)
 		assert.True(t, bar == bax)
+		assert.True(t, bar == baz)
 		assert.False(t, bar == next)
 		assert.True(t, baz == nero)
 	}
@@ -267,13 +268,15 @@ func TestPool_FlushMemoryCache(t *testing.T) {
 	err := pool.FlushFakeIP()
 	assert.Nil(t, err)
 
-	baz := pool.Lookup("foo.com")
 	next := pool.Lookup("baz.com")
+	baz := pool.Lookup("foo.com")
 	nero := pool.Lookup("foo.com")
 
 	assert.True(t, foo == fox)
+	assert.True(t, foo == next)
 	assert.False(t, foo == baz)
 	assert.True(t, bar == bax)
+	assert.True(t, bar == baz)
 	assert.False(t, bar == next)
 	assert.True(t, baz == nero)
 }

component/geodata/geodata.go

@@ -3,10 +3,10 @@ package geodata
 import (
 	"errors"
 	"fmt"
-	C "github.com/Dreamacro/clash/constant"
 	"strings"
 
 	"github.com/Dreamacro/clash/component/geodata/router"
+	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
 )
 
@@ -30,7 +30,7 @@ func (l *loader) LoadGeoSiteWithAttr(file string, siteWithAttr string) ([]*route
 		return nil, fmt.Errorf("empty listname in rule: %s", siteWithAttr)
 	}
 
-	domains, err := l.LoadSite(file, list)
+	domains, err := l.LoadSiteByPath(file, list)
 	if err != nil {
 		return nil, err
 	}
@@ -59,7 +59,7 @@ func (l *loader) LoadGeoSiteWithAttr(file string, siteWithAttr string) ([]*route
 }
 
 func (l *loader) LoadGeoIP(country string) ([]*router.CIDR, error) {
-	return l.LoadIP(C.GeoipName, country)
+	return l.LoadIPByPath(C.GeoipName, country)
 }
 
 var loaders map[string]func() LoaderImplementation

component/geodata/geodataproto.go

@@ -5,8 +5,10 @@ import (
 )
 
 type LoaderImplementation interface {
-	LoadSite(filename, list string) ([]*router.Domain, error)
-	LoadIP(filename, country string) ([]*router.CIDR, error)
+	LoadSiteByPath(filename, list string) ([]*router.Domain, error)
+	LoadSiteByBytes(geositeBytes []byte, list string) ([]*router.Domain, error)
+	LoadIPByPath(filename, country string) ([]*router.CIDR, error)
+	LoadIPByBytes(geoipBytes []byte, country string) ([]*router.CIDR, error)
 }
 
 type Loader interface {

component/geodata/memconservative/memc.go

@@ -1,6 +1,7 @@
 package memconservative
 
 import (
+	"errors"
 	"fmt"
 	"runtime"
 
@@ -13,7 +14,7 @@ type memConservativeLoader struct {
 	geositecache GeoSiteCache
 }
 
-func (m *memConservativeLoader) LoadIP(filename, country string) ([]*router.CIDR, error) {
+func (m *memConservativeLoader) LoadIPByPath(filename, country string) ([]*router.CIDR, error) {
 	defer runtime.GC()
 	geoip, err := m.geoipcache.Unmarshal(filename, country)
 	if err != nil {
@@ -22,7 +23,11 @@ func (m *memConservativeLoader) LoadIP(filename, country string) ([]*router.CIDR
 	return geoip.Cidr, nil
 }
 
-func (m *memConservativeLoader) LoadSite(filename, list string) ([]*router.Domain, error) {
+func (m *memConservativeLoader) LoadIPByBytes(geoipBytes []byte, country string) ([]*router.CIDR, error) {
+	return nil, errors.New("memConservative do not support LoadIPByBytes")
+}
+
+func (m *memConservativeLoader) LoadSiteByPath(filename, list string) ([]*router.Domain, error) {
 	defer runtime.GC()
 	geosite, err := m.geositecache.Unmarshal(filename, list)
 	if err != nil {
@@ -31,6 +36,10 @@ func (m *memConservativeLoader) LoadSite(filename, list string) ([]*router.Domai
 	return geosite.Domain, nil
 }
 
+func (m *memConservativeLoader) LoadSiteByBytes(geositeBytes []byte, list string) ([]*router.Domain, error) {
+	return nil, errors.New("memConservative do not support LoadSiteByBytes")
+}
+
 func newMemConservativeLoader() geodata.LoaderImplementation {
 	return &memConservativeLoader{make(map[string]*router.GeoIP), make(map[string]*router.GeoSite)}
 }

component/geodata/router/condition.go

@@ -33,9 +33,10 @@ func domainToMatcher(domain *Domain) (strmatcher.Matcher, error) {
 
 type DomainMatcher struct {
 	matchers strmatcher.IndexMatcher
+	not      bool
 }
 
-func NewMphMatcherGroup(domains []*Domain) (*DomainMatcher, error) {
+func NewMphMatcherGroup(domains []*Domain, not bool) (*DomainMatcher, error) {
 	g := strmatcher.NewMphMatcherGroup()
 	for _, d := range domains {
 		matcherType, f := matcherTypeMap[d.Type]
@@ -50,11 +51,12 @@ func NewMphMatcherGroup(domains []*Domain) (*DomainMatcher, error) {
 	g.Build()
 	return &DomainMatcher{
 		matchers: g,
+		not:      not,
 	}, nil
 }
 
 // NewDomainMatcher new domain matcher.
-func NewDomainMatcher(domains []*Domain) (*DomainMatcher, error) {
+func NewDomainMatcher(domains []*Domain, not bool) (*DomainMatcher, error) {
 	g := new(strmatcher.MatcherGroup)
 	for _, d := range domains {
 		m, err := domainToMatcher(d)
@@ -66,11 +68,16 @@ func NewDomainMatcher(domains []*Domain) (*DomainMatcher, error) {
 
 	return &DomainMatcher{
 		matchers: g,
+		not:      not,
 	}, nil
 }
 
 func (m *DomainMatcher) ApplyDomain(domain string) bool {
-	return len(m.matchers.Match(strings.ToLower(domain))) > 0
+	isMatched := len(m.matchers.Match(strings.ToLower(domain))) > 0
+	if m.not {
+		isMatched = !isMatched
+	}
+	return isMatched
 }
 
 // CIDRList is an alias of []*CIDR to provide sort.Interface.
@@ -322,7 +329,6 @@ func NewGeoIPMatcher(geoip *GeoIP) (*GeoIPMatcher, error) {
 }
 
 func (m *MultiGeoIPMatcher) ApplyIp(ip net.IP) bool {
-
 	for _, matcher := range m.matchers {
 		if matcher.Match(ip) {
 			return true

component/geodata/router/config.pb.go

@@ -7,10 +7,11 @@
 package router
 
 import (
-	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
-	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
 	sync "sync"
+
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 )
 
 const (

component/geodata/standard/standard.go

@@ -9,7 +9,6 @@ import (
 	"github.com/Dreamacro/clash/component/geodata"
 	"github.com/Dreamacro/clash/component/geodata/router"
 	C "github.com/Dreamacro/clash/constant"
-
 	"google.golang.org/protobuf/proto"
 )
 
@@ -29,11 +28,7 @@ func ReadAsset(file string) ([]byte, error) {
 	return ReadFile(C.Path.GetAssetLocation(file))
 }
 
-func loadIP(filename, country string) ([]*router.CIDR, error) {
-	geoipBytes, err := ReadAsset(filename)
-	if err != nil {
-		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
-	}
+func loadIP(geoipBytes []byte, country string) ([]*router.CIDR, error) {
 	var geoipList router.GeoIPList
 	if err := proto.Unmarshal(geoipBytes, &geoipList); err != nil {
 		return nil, err
@@ -45,14 +40,10 @@ func loadIP(filename, country string) ([]*router.CIDR, error) {
 		}
 	}
 
-	return nil, fmt.Errorf("country not found in %s%s%s", filename, ": ", country)
+	return nil, fmt.Errorf("country %s not found", country)
 }
 
-func loadSite(filename, list string) ([]*router.Domain, error) {
-	geositeBytes, err := ReadAsset(filename)
-	if err != nil {
-		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
-	}
+func loadSite(geositeBytes []byte, list string) ([]*router.Domain, error) {
 	var geositeList router.GeoSiteList
 	if err := proto.Unmarshal(geositeBytes, &geositeList); err != nil {
 		return nil, err
@@ -64,17 +55,33 @@ func loadSite(filename, list string) ([]*router.Domain, error) {
 		}
 	}
 
-	return nil, fmt.Errorf("list not found in %s%s%s", filename, ": ", list)
+	return nil, fmt.Errorf("list %s not found", list)
 }
 
 type standardLoader struct{}
 
-func (d standardLoader) LoadSite(filename, list string) ([]*router.Domain, error) {
-	return loadSite(filename, list)
+func (d standardLoader) LoadSiteByPath(filename, list string) ([]*router.Domain, error) {
+	geositeBytes, err := ReadAsset(filename)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
+	}
+	return loadSite(geositeBytes, list)
 }
 
-func (d standardLoader) LoadIP(filename, country string) ([]*router.CIDR, error) {
-	return loadIP(filename, country)
+func (d standardLoader) LoadSiteByBytes(geositeBytes []byte, list string) ([]*router.Domain, error) {
+	return loadSite(geositeBytes, list)
+}
+
+func (d standardLoader) LoadIPByPath(filename, country string) ([]*router.CIDR, error) {
+	geoipBytes, err := ReadAsset(filename)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
+	}
+	return loadIP(geoipBytes, country)
+}
+
+func (d standardLoader) LoadIPByBytes(geoipBytes []byte, country string) ([]*router.CIDR, error) {
+	return loadIP(geoipBytes, country)
 }
 
 func init() {

component/geodata/strmatcher/ac_automaton_matcher.go

@@ -1,7 +1,7 @@
 package strmatcher
 
 import (
-	"container/list"
+	"github.com/Dreamacro/clash/common/generics/list"
 )
 
 const validCharCount = 53
@@ -190,7 +190,7 @@ func (ac *ACAutomaton) Add(domain string, t Type) {
 }
 
 func (ac *ACAutomaton) Build() {
-	queue := list.New()
+	queue := list.New[Edge]()
 	for i := 0; i < validCharCount; i++ {
 		if ac.trie[0][i].nextNode != 0 {
 			queue.PushBack(ac.trie[0][i])
@@ -201,7 +201,7 @@ func (ac *ACAutomaton) Build() {
 		if front == nil {
 			break
 		} else {
-			node := front.Value.(Edge).nextNode
+			node := front.Value.nextNode
 			queue.Remove(front)
 			for i := 0; i < validCharCount; i++ {
 				if ac.trie[node][i].nextNode != 0 {

component/geodata/utils.go

@@ -1,9 +1,10 @@
 package geodata
 
 import (
+	"fmt"
+
 	"github.com/Dreamacro/clash/component/geodata/router"
 	C "github.com/Dreamacro/clash/constant"
-	"strings"
 )
 
 var geoLoaderName = "memconservative"
@@ -21,20 +22,30 @@ func SetLoader(newLoader string) {
 	geoLoaderName = newLoader
 }
 
-func Verify(name string) bool {
+func Verify(name string) error {
 	switch name {
 	case C.GeositeName:
 		_, _, err := LoadGeoSiteMatcher("CN")
-		return err == nil
+		return err
 	case C.GeoipName:
 		_, _, err := LoadGeoIPMatcher("CN")
-		return err == nil
+		return err
 	default:
-		return false
+		return fmt.Errorf("not support name")
 	}
 }
 
 func LoadGeoSiteMatcher(countryCode string) (*router.DomainMatcher, int, error) {
+	if len(countryCode) == 0 {
+		return nil, 0, fmt.Errorf("country code could not be empty")
+	}
+
+	not := false
+	if countryCode[0] == '!' {
+		not = true
+		countryCode = countryCode[1:]
+	}
+
 	geoLoader, err := GetGeoDataLoader(geoLoaderName)
 	if err != nil {
 		return nil, 0, err
@@ -50,7 +61,7 @@ func LoadGeoSiteMatcher(countryCode string) (*router.DomainMatcher, int, error)
 	matcher, err := router.NewDomainMatcher(domains)
 	mph：minimal perfect hash algorithm
 	*/
-	matcher, err := router.NewMphMatcherGroup(domains)
+	matcher, err := router.NewMphMatcherGroup(domains, not)
 	if err != nil {
 		return nil, 0, err
 	}
@@ -59,12 +70,21 @@ func LoadGeoSiteMatcher(countryCode string) (*router.DomainMatcher, int, error)
 }
 
 func LoadGeoIPMatcher(country string) (*router.GeoIPMatcher, int, error) {
+	if len(country) == 0 {
+		return nil, 0, fmt.Errorf("country code could not be empty")
+	}
 	geoLoader, err := GetGeoDataLoader(geoLoaderName)
 	if err != nil {
 		return nil, 0, err
 	}
 
-	records, err := geoLoader.LoadGeoIP(strings.ReplaceAll(country, "!", ""))
+	not := false
+	if country[0] == '!' {
+		not = true
+		country = country[1:]
+	}
+
+	records, err := geoLoader.LoadGeoIP(country)
 	if err != nil {
 		return nil, 0, err
 	}
@@ -72,7 +92,7 @@ func LoadGeoIPMatcher(country string) (*router.GeoIPMatcher, int, error) {
 	geoIP := &router.GeoIP{
 		CountryCode:  country,
 		Cidr:         records,
-		ReverseMatch: strings.Contains(country, "!"),
+		ReverseMatch: not,
 	}
 
 	matcher, err := router.NewGeoIPMatcher(geoIP)

component/http/http.go

@@ -0,0 +1,64 @@
+package http
+
+import (
+	"context"
+	"io"
+	"net"
+	"net/http"
+	URL "net/url"
+	"strings"
+	"time"
+
+	"github.com/Dreamacro/clash/listener/inner"
+	"github.com/Dreamacro/clash/log"
+)
+
+const (
+	UA = "Clash"
+)
+
+func HttpRequest(ctx context.Context, url, method string, header map[string][]string, body io.Reader) (*http.Response, error) {
+	method = strings.ToUpper(method)
+	urlRes, err := URL.Parse(url)
+	if err != nil {
+		return nil, err
+	}
+
+	req, err := http.NewRequest(method, urlRes.String(), body)
+	for k, v := range header {
+		for _, v := range v {
+			req.Header.Add(k, v)
+		}
+	}
+
+	if _, ok := header["User-Agent"]; !ok {
+		req.Header.Set("User-Agent", UA)
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	if user := urlRes.User; user != nil {
+		password, _ := user.Password()
+		req.SetBasicAuth(user.Username(), password)
+	}
+
+	req = req.WithContext(ctx)
+
+	transport := &http.Transport{
+		// from http.DefaultTransport
+		MaxIdleConns:          100,
+		IdleConnTimeout:       30 * time.Second,
+		TLSHandshakeTimeout:   10 * time.Second,
+		ExpectContinueTimeout: 1 * time.Second,
+		DialContext: func(ctx context.Context, network, address string) (net.Conn, error) {
+			log.Infoln(urlRes.String())
+			conn := inner.HandleTcp(address, urlRes.Hostname())
+			return conn, nil
+		},
+	}
+
+	client := http.Client{Transport: transport}
+	return client.Do(req)
+}

component/iface/iface.go

@@ -3,6 +3,7 @@ package iface
 import (
 	"errors"
 	"net"
+	"net/netip"
 	"time"
 
 	"github.com/Dreamacro/clash/common/singledo"
@@ -11,7 +12,7 @@ import (
 type Interface struct {
 	Index        int
 	Name         string
-	Addrs        []*net.IPNet
+	Addrs        []*netip.Prefix
 	HardwareAddr net.HardwareAddr
 }
 
@@ -20,10 +21,10 @@ var (
 	ErrAddrNotFound  = errors.New("addr not found")
 )
 
-var interfaces = singledo.NewSingle(time.Second * 20)
+var interfaces = singledo.NewSingle[map[string]*Interface](time.Second * 20)
 
 func ResolveInterface(name string) (*Interface, error) {
-	value, err, _ := interfaces.Do(func() (any, error) {
+	value, err, _ := interfaces.Do(func() (map[string]*Interface, error) {
 		ifaces, err := net.Interfaces()
 		if err != nil {
 			return nil, err
@@ -37,14 +38,18 @@ func ResolveInterface(name string) (*Interface, error) {
 				continue
 			}
 
-			ipNets := make([]*net.IPNet, 0, len(addrs))
+			ipNets := make([]*netip.Prefix, 0, len(addrs))
 			for _, addr := range addrs {
 				ipNet := addr.(*net.IPNet)
-				if v4 := ipNet.IP.To4(); v4 != nil {
-					ipNet.IP = v4
+				ip, _ := netip.AddrFromSlice(ipNet.IP)
+
+				ones, bits := ipNet.Mask.Size()
+				if bits == 32 {
+					ip = ip.Unmap()
 				}
 
-				ipNets = append(ipNets, ipNet)
+				pf := netip.PrefixFrom(ip, ones)
+				ipNets = append(ipNets, &pf)
 			}
 
 			r[iface.Name] = &Interface{
@@ -61,7 +66,7 @@ func ResolveInterface(name string) (*Interface, error) {
 		return nil, err
 	}
 
-	ifaces := value.(map[string]*Interface)
+	ifaces := value
 	iface, ok := ifaces[name]
 	if !ok {
 		return nil, ErrIfaceNotFound
@@ -74,35 +79,35 @@ func FlushCache() {
 	interfaces.Reset()
 }
 
-func (iface *Interface) PickIPv4Addr(destination net.IP) (*net.IPNet, error) {
-	return iface.pickIPAddr(destination, func(addr *net.IPNet) bool {
-		return addr.IP.To4() != nil
+func (iface *Interface) PickIPv4Addr(destination netip.Addr) (*netip.Prefix, error) {
+	return iface.pickIPAddr(destination, func(addr *netip.Prefix) bool {
+		return addr.Addr().Is4()
 	})
 }
 
-func (iface *Interface) PickIPv6Addr(destination net.IP) (*net.IPNet, error) {
-	return iface.pickIPAddr(destination, func(addr *net.IPNet) bool {
-		return addr.IP.To4() == nil
+func (iface *Interface) PickIPv6Addr(destination netip.Addr) (*netip.Prefix, error) {
+	return iface.pickIPAddr(destination, func(addr *netip.Prefix) bool {
+		return addr.Addr().Is6()
 	})
 }
 
-func (iface *Interface) pickIPAddr(destination net.IP, accept func(addr *net.IPNet) bool) (*net.IPNet, error) {
-	var fallback *net.IPNet
+func (iface *Interface) pickIPAddr(destination netip.Addr, accept func(addr *netip.Prefix) bool) (*netip.Prefix, error) {
+	var fallback *netip.Prefix
 
 	for _, addr := range iface.Addrs {
 		if !accept(addr) {
 			continue
 		}
 
-		if fallback == nil && !addr.IP.IsLinkLocalUnicast() {
+		if fallback == nil && !addr.Addr().IsLinkLocalUnicast() {
 			fallback = addr
 
-			if destination == nil {
+			if !destination.IsValid() {
 				break
 			}
 		}
 
-		if destination != nil && addr.Contains(destination) {
+		if destination.IsValid() && addr.Contains(destination) {
 			return addr, nil
 		}
 	}

component/mmdb/mmdb.go

@@ -1,11 +1,11 @@
 package mmdb
 
 import (
-	"github.com/oschwald/geoip2-golang"
 	"sync"
 
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
+	"github.com/oschwald/geoip2-golang"
 )
 
 var (

component/pool/pool.go

@@ -6,55 +6,55 @@ import (
 	"time"
 )
 
-type Factory = func(context.Context) (any, error)
+type Factory[T any] func(context.Context) (T, error)
 
-type entry struct {
-	elm  any
+type entry[T any] struct {
+	elm  T
 	time time.Time
 }
 
-type Option func(*pool)
+type Option[T any] func(*pool[T])
 
 // WithEvict set the evict callback
-func WithEvict(cb func(any)) Option {
-	return func(p *pool) {
+func WithEvict[T any](cb func(T)) Option[T] {
+	return func(p *pool[T]) {
 		p.evict = cb
 	}
 }
 
 // WithAge defined element max age (millisecond)
-func WithAge(maxAge int64) Option {
-	return func(p *pool) {
+func WithAge[T any](maxAge int64) Option[T] {
+	return func(p *pool[T]) {
 		p.maxAge = maxAge
 	}
 }
 
 // WithSize defined max size of Pool
-func WithSize(maxSize int) Option {
-	return func(p *pool) {
-		p.ch = make(chan any, maxSize)
+func WithSize[T any](maxSize int) Option[T] {
+	return func(p *pool[T]) {
+		p.ch = make(chan *entry[T], maxSize)
 	}
 }
 
 // Pool is for GC, see New for detail
-type Pool struct {
-	*pool
+type Pool[T any] struct {
+	*pool[T]
 }
 
-type pool struct {
-	ch      chan any
-	factory Factory
-	evict   func(any)
+type pool[T any] struct {
+	ch      chan *entry[T]
+	factory Factory[T]
+	evict   func(T)
 	maxAge  int64
 }
 
-func (p *pool) GetContext(ctx context.Context) (any, error) {
+func (p *pool[T]) GetContext(ctx context.Context) (T, error) {
 	now := time.Now()
 	for {
 		select {
 		case item := <-p.ch:
-			elm := item.(*entry)
-			if p.maxAge != 0 && now.Sub(item.(*entry).time).Milliseconds() > p.maxAge {
+			elm := item
+			if p.maxAge != 0 && now.Sub(item.time).Milliseconds() > p.maxAge {
 				if p.evict != nil {
 					p.evict(elm.elm)
 				}
@@ -68,12 +68,12 @@ func (p *pool) GetContext(ctx context.Context) (any, error) {
 	}
 }
 
-func (p *pool) Get() (any, error) {
+func (p *pool[T]) Get() (T, error) {
 	return p.GetContext(context.Background())
 }
 
-func (p *pool) Put(item any) {
-	e := &entry{
+func (p *pool[T]) Put(item T) {
+	e := &entry[T]{
 		elm:  item,
 		time: time.Now(),
 	}
@@ -90,17 +90,17 @@ func (p *pool) Put(item any) {
 	}
 }
 
-func recycle(p *Pool) {
+func recycle[T any](p *Pool[T]) {
 	for item := range p.pool.ch {
 		if p.pool.evict != nil {
-			p.pool.evict(item.(*entry).elm)
+			p.pool.evict(item.elm)
 		}
 	}
 }
 
-func New(factory Factory, options ...Option) *Pool {
-	p := &pool{
-		ch:      make(chan any, 10),
+func New[T any](factory Factory[T], options ...Option[T]) *Pool[T] {
+	p := &pool[T]{
+		ch:      make(chan *entry[T], 10),
 		factory: factory,
 	}
 
@@ -108,7 +108,7 @@ func New(factory Factory, options ...Option) *Pool {
 		option(p)
 	}
 
-	P := &Pool{p}
-	runtime.SetFinalizer(P, recycle)
+	P := &Pool[T]{p}
+	runtime.SetFinalizer(P, recycle[T])
 	return P
 }

component/pool/pool_test.go

@@ -8,9 +8,9 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func lg() Factory {
+func lg() Factory[int] {
 	initial := -1
-	return func(context.Context) (any, error) {
+	return func(context.Context) (int, error) {
 		initial++
 		return initial, nil
 	}
@@ -18,23 +18,23 @@ func lg() Factory {
 
 func TestPool_Basic(t *testing.T) {
 	g := lg()
-	pool := New(g)
+	pool := New[int](g)
 
 	elm, _ := pool.Get()
-	assert.Equal(t, 0, elm.(int))
+	assert.Equal(t, 0, elm)
 	pool.Put(elm)
 	elm, _ = pool.Get()
-	assert.Equal(t, 0, elm.(int))
+	assert.Equal(t, 0, elm)
 	elm, _ = pool.Get()
-	assert.Equal(t, 1, elm.(int))
+	assert.Equal(t, 1, elm)
 }
 
 func TestPool_MaxSize(t *testing.T) {
 	g := lg()
 	size := 5
-	pool := New(g, WithSize(size))
+	pool := New[int](g, WithSize[int](size))
 
-	var items []any
+	var items []int
 
 	for i := 0; i < size; i++ {
 		item, _ := pool.Get()
@@ -42,7 +42,7 @@ func TestPool_MaxSize(t *testing.T) {
 	}
 
 	extra, _ := pool.Get()
-	assert.Equal(t, size, extra.(int))
+	assert.Equal(t, size, extra)
 
 	for _, item := range items {
 		pool.Put(item)
@@ -52,22 +52,22 @@ func TestPool_MaxSize(t *testing.T) {
 
 	for _, item := range items {
 		elm, _ := pool.Get()
-		assert.Equal(t, item.(int), elm.(int))
+		assert.Equal(t, item, elm)
 	}
 }
 
 func TestPool_MaxAge(t *testing.T) {
 	g := lg()
-	pool := New(g, WithAge(20))
+	pool := New[int](g, WithAge[int](20))
 
 	elm, _ := pool.Get()
 	pool.Put(elm)
 
 	elm, _ = pool.Get()
-	assert.Equal(t, 0, elm.(int))
+	assert.Equal(t, 0, elm)
 	pool.Put(elm)
 
 	time.Sleep(time.Millisecond * 22)
 	elm, _ = pool.Get()
-	assert.Equal(t, 1, elm.(int))
+	assert.Equal(t, 1, elm)
 }

component/process/process.go

@@ -3,8 +3,9 @@ package process
 import (
 	"errors"
 	"net"
-	"runtime"
+	"net/netip"
 
+	"github.com/Dreamacro/clash/common/nnip"
 	C "github.com/Dreamacro/clash/constant"
 )
 
@@ -12,6 +13,8 @@ var (
 	ErrInvalidNetwork     = errors.New("invalid network")
 	ErrPlatformNotSupport = errors.New("not support on this platform")
 	ErrNotFound           = errors.New("process not found")
+
+	enableFindProcess = true
 )
 
 const (
@@ -19,35 +22,46 @@ const (
 	UDP = "udp"
 )
 
-func FindProcessName(network string, srcIP net.IP, srcPort int) (string, error) {
+func EnableFindProcess(e bool) {
+	enableFindProcess = e
+}
+
+func FindProcessName(network string, srcIP netip.Addr, srcPort int) (int32, string, error) {
 	return findProcessName(network, srcIP, srcPort)
 }
 
-func ShouldFindProcess(metadata *C.Metadata) bool {
-	if runtime.GOOS == "android" {
-		return false
+func FindUid(network string, srcIP netip.Addr, srcPort int) (int32, error) {
+	_, uid, err := resolveSocketByNetlink(network, srcIP, srcPort)
+	if err != nil {
+		return -1, err
 	}
-	if metadata.Process != "" {
+	return uid, nil
+}
+
+func ShouldFindProcess(metadata *C.Metadata) bool {
+	if !enableFindProcess ||
+		metadata.Process != "" ||
+		metadata.ProcessPath != "" {
 		return false
 	}
 	for _, ip := range localIPs {
-		if ip.Equal(metadata.SrcIP) {
+		if ip == metadata.SrcIP {
 			return true
 		}
 	}
 	return false
 }
 
-func AppendLocalIPs(ip ...net.IP) {
+func AppendLocalIPs(ip ...netip.Addr) {
 	localIPs = append(ip, localIPs...)
 }
 
-func getLocalIPs() []net.IP {
-	ips := []net.IP{net.IPv4zero, net.IPv6zero}
+func getLocalIPs() []netip.Addr {
+	ips := []netip.Addr{netip.IPv4Unspecified(), netip.IPv6Unspecified()}
 
 	netInterfaces, err := net.Interfaces()
 	if err != nil {
-		ips = append(ips, net.IPv4(127, 0, 0, 1), net.IPv6loopback)
+		ips = append(ips, netip.AddrFrom4([4]byte{127, 0, 0, 1}), nnip.IpToAddr(net.IPv6loopback))
 		return ips
 	}
 
@@ -57,7 +71,7 @@ func getLocalIPs() []net.IP {
 
 			for _, address := range adds {
 				if ipNet, ok := address.(*net.IPNet); ok {
-					ips = append(ips, ipNet.IP)
+					ips = append(ips, nnip.IpToAddr(ipNet.IP))
 				}
 			}
 		}
@@ -66,7 +80,7 @@ func getLocalIPs() []net.IP {
 	return ips
 }
 
-var localIPs []net.IP
+var localIPs []netip.Addr
 
 func init() {
 	localIPs = getLocalIPs()

component/process/process_darwin.go

@@ -2,10 +2,11 @@ package process
 
 import (
 	"encoding/binary"
-	"net"
+	"net/netip"
 	"syscall"
 	"unsafe"
 
+	"github.com/Dreamacro/clash/common/nnip"
 	"golang.org/x/sys/unix"
 )
 
@@ -15,7 +16,11 @@ const (
 	proccallnumpidinfo  = 0x2
 )
 
-func findProcessName(network string, ip net.IP, port int) (string, error) {
+func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (int32, int32, error) {
+	return 0, 0, ErrPlatformNotSupport
+}
+
+func findProcessName(network string, ip netip.Addr, port int) (int32, string, error) {
 	var spath string
 	switch network {
 	case TCP:
@@ -23,14 +28,14 @@ func findProcessName(network string, ip net.IP, port int) (string, error) {
 	case UDP:
 		spath = "net.inet.udp.pcblist_n"
 	default:
-		return "", ErrInvalidNetwork
+		return -1, "", ErrInvalidNetwork
 	}
 
-	isIPv4 := ip.To4() != nil
+	isIPv4 := ip.Is4()
 
 	value, err := syscall.Sysctl(spath)
 	if err != nil {
-		return "", err
+		return -1, "", err
 	}
 
 	buf := []byte(value)
@@ -57,28 +62,29 @@ func findProcessName(network string, ip net.IP, port int) (string, error) {
 		// xinpcb_n.inp_vflag
 		flag := buf[inp+44]
 
-		var srcIP net.IP
+		var srcIP netip.Addr
 		switch {
 		case flag&0x1 > 0 && isIPv4:
 			// ipv4
-			srcIP = net.IP(buf[inp+76 : inp+80])
+			srcIP = nnip.IpToAddr(buf[inp+76 : inp+80])
 		case flag&0x2 > 0 && !isIPv4:
 			// ipv6
-			srcIP = net.IP(buf[inp+64 : inp+80])
+			srcIP = nnip.IpToAddr(buf[inp+64 : inp+80])
 		default:
 			continue
 		}
 
-		if !ip.Equal(srcIP) && (network == TCP || !srcIP.IsUnspecified()) {
+		if ip != srcIP && (network == TCP || !srcIP.IsUnspecified()) {
 			continue
 		}
 
 		// xsocket_n.so_last_pid
 		pid := readNativeUint32(buf[so+68 : so+72])
-		return getExecPathFromPID(pid)
+		pp, err := getExecPathFromPID(pid)
+		return -1, pp, err
 	}
 
-	return "", ErrNotFound
+	return -1, "", ErrNotFound
 }
 
 func getExecPathFromPID(pid uint32) (string, error) {

component/process/process_freebsd_amd64.go

@@ -3,13 +3,14 @@ package process
 import (
 	"encoding/binary"
 	"fmt"
-	"net"
+	"net/netip"
 	"strconv"
 	"strings"
 	"sync"
 	"syscall"
 	"unsafe"
 
+	"github.com/Dreamacro/clash/common/nnip"
 	"github.com/Dreamacro/clash/log"
 )
 
@@ -20,7 +21,11 @@ var (
 	once sync.Once
 )
 
-func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
+func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (int32, int32, error) {
+	return 0, 0, ErrPlatformNotSupport
+}
+
+func findProcessName(network string, ip netip.Addr, srcPort int) (int32, string, error) {
 	once.Do(func() {
 		if err := initSearcher(); err != nil {
 			log.Errorln("Initialize PROCESS-NAME failed: %s", err.Error())
@@ -30,7 +35,7 @@ func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
 	})
 
 	if defaultSearcher == nil {
-		return "", ErrPlatformNotSupport
+		return -1, "", ErrPlatformNotSupport
 	}
 
 	var spath string
@@ -41,21 +46,22 @@ func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
 	case UDP:
 		spath = "net.inet.udp.pcblist"
 	default:
-		return "", ErrInvalidNetwork
+		return -1, "", ErrInvalidNetwork
 	}
 
 	value, err := syscall.Sysctl(spath)
 	if err != nil {
-		return "", err
+		return -1, "", err
 	}
 
 	buf := []byte(value)
 	pid, err := defaultSearcher.Search(buf, ip, uint16(srcPort), isTCP)
 	if err != nil {
-		return "", err
+		return -1, "", err
 	}
 
-	return getExecPathFromPID(pid)
+	pp, err := getExecPathFromPID(pid)
+	return -1, pp, err
 }
 
 func getExecPathFromPID(pid uint32) (string, error) {
@@ -102,7 +108,7 @@ type searcher struct {
 	pid          int
 }
 
-func (s *searcher) Search(buf []byte, ip net.IP, port uint16, isTCP bool) (uint32, error) {
+func (s *searcher) Search(buf []byte, ip netip.Addr, port uint16, isTCP bool) (uint32, error) {
 	var itemSize int
 	var inpOffset int
 
@@ -116,7 +122,7 @@ func (s *searcher) Search(buf []byte, ip net.IP, port uint16, isTCP bool) (uint3
 		inpOffset = s.udpInpOffset
 	}
 
-	isIPv4 := ip.To4() != nil
+	isIPv4 := ip.Is4()
 	// skip the first xinpgen block
 	for i := s.headSize; i+itemSize <= len(buf); i += itemSize {
 		inp := i + inpOffset
@@ -130,19 +136,19 @@ func (s *searcher) Search(buf []byte, ip net.IP, port uint16, isTCP bool) (uint3
 		// xinpcb.inp_vflag
 		flag := buf[inp+s.vflag]
 
-		var srcIP net.IP
+		var srcIP netip.Addr
 		switch {
 		case flag&0x1 > 0 && isIPv4:
 			// ipv4
-			srcIP = net.IP(buf[inp+s.ip : inp+s.ip+4])
+			srcIP = nnip.IpToAddr(buf[inp+s.ip : inp+s.ip+4])
 		case flag&0x2 > 0 && !isIPv4:
 			// ipv6
-			srcIP = net.IP(buf[inp+s.ip-12 : inp+s.ip+4])
+			srcIP = nnip.IpToAddr(buf[inp+s.ip-12 : inp+s.ip+4])
 		default:
 			continue
 		}
 
-		if !ip.Equal(srcIP) {
+		if ip != srcIP {
 			continue
 		}
 

component/process/process_linux.go

@@ -5,8 +5,11 @@ import (
 	"encoding/binary"
 	"fmt"
 	"net"
+	"net/netip"
 	"os"
 	"path"
+	"path/filepath"
+	"runtime"
 	"strings"
 	"syscall"
 	"unicode"
@@ -31,16 +34,16 @@ const (
 	pathProc                = "/proc"
 )
 
-func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
+func findProcessName(network string, ip netip.Addr, srcPort int) (int32, string, error) {
 	inode, uid, err := resolveSocketByNetlink(network, ip, srcPort)
 	if err != nil {
-		return "", err
+		return -1, "", err
 	}
-
-	return resolveProcessNameByProcSearch(inode, uid)
+	pp, err := resolveProcessNameByProcSearch(inode, uid)
+	return uid, pp, err
 }
 
-func resolveSocketByNetlink(network string, ip net.IP, srcPort int) (int32, int32, error) {
+func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (int32, int32, error) {
 	var family byte
 	var protocol byte
 
@@ -53,7 +56,7 @@ func resolveSocketByNetlink(network string, ip net.IP, srcPort int) (int32, int3
 		return 0, 0, ErrInvalidNetwork
 	}
 
-	if ip.To4() != nil {
+	if ip.Is4() {
 		family = syscall.AF_INET
 	} else {
 		family = syscall.AF_INET6
@@ -65,10 +68,12 @@ func resolveSocketByNetlink(network string, ip net.IP, srcPort int) (int32, int3
 	if err != nil {
 		return 0, 0, fmt.Errorf("dial netlink: %w", err)
 	}
-	defer syscall.Close(socket)
+	defer func() {
+		_ = syscall.Close(socket)
+	}()
 
-	syscall.SetsockoptTimeval(socket, syscall.SOL_SOCKET, syscall.SO_SNDTIMEO, &syscall.Timeval{Usec: 100})
-	syscall.SetsockoptTimeval(socket, syscall.SOL_SOCKET, syscall.SO_RCVTIMEO, &syscall.Timeval{Usec: 100})
+	_ = syscall.SetsockoptTimeval(socket, syscall.SOL_SOCKET, syscall.SO_SNDTIMEO, &syscall.Timeval{Usec: 100})
+	_ = syscall.SetsockoptTimeval(socket, syscall.SOL_SOCKET, syscall.SO_RCVTIMEO, &syscall.Timeval{Usec: 100})
 
 	if err := syscall.Connect(socket, &syscall.SockaddrNetlink{
 		Family: syscall.AF_NETLINK,
@@ -84,7 +89,9 @@ func resolveSocketByNetlink(network string, ip net.IP, srcPort int) (int32, int3
 	}
 
 	rb := pool.Get(pool.RelayBufferSize)
-	defer pool.Put(rb)
+	defer func() {
+		_ = pool.Put(rb)
+	}()
 
 	n, err := syscall.Read(socket, rb)
 	if err != nil {
@@ -103,7 +110,7 @@ func resolveSocketByNetlink(network string, ip net.IP, srcPort int) (int32, int3
 		return 0, 0, fmt.Errorf("netlink message: NLMSG_ERROR")
 	}
 
-	inode, uid := unpackSocketDiagResponse(&messages[0])
+	inode, uid := unpackSocketDiagResponse(&message)
 	if inode < 0 || uid < 0 {
 		return 0, 0, fmt.Errorf("invalid inode(%d) or uid(%d)", inode, uid)
 	}
@@ -111,14 +118,10 @@ func resolveSocketByNetlink(network string, ip net.IP, srcPort int) (int32, int3
 	return inode, uid, nil
 }
 
-func packSocketDiagRequest(family, protocol byte, source net.IP, sourcePort uint16) []byte {
+func packSocketDiagRequest(family, protocol byte, source netip.Addr, sourcePort uint16) []byte {
 	s := make([]byte, 16)
 
-	if v4 := source.To4(); v4 != nil {
-		copy(s, v4)
-	} else {
-		copy(s, source)
-	}
+	copy(s, source.AsSlice())
 
 	buf := make([]byte, sizeOfSocketDiagRequest)
 
@@ -195,8 +198,19 @@ func resolveProcessNameByProcSearch(inode, uid int32) (string, error) {
 				continue
 			}
 
-			if bytes.Equal(buffer[:n], socket) {
-				return os.Readlink(path.Join(processPath, "exe"))
+			if runtime.GOOS == "android" {
+				if bytes.Equal(buffer[:n], socket) {
+					cmdline, err := os.ReadFile(path.Join(processPath, "cmdline"))
+					if err != nil {
+						return "", err
+					}
+
+					return splitCmdline(cmdline), nil
+				}
+			} else {
+				if bytes.Equal(buffer[:n], socket) {
+					return os.Readlink(path.Join(processPath, "exe"))
+				}
 			}
 		}
 	}
@@ -204,6 +218,19 @@ func resolveProcessNameByProcSearch(inode, uid int32) (string, error) {
 	return "", fmt.Errorf("process of uid(%d),inode(%d) not found", uid, inode)
 }
 
+func splitCmdline(cmdline []byte) string {
+	cmdline = bytes.Trim(cmdline, " ")
+
+	idx := bytes.IndexFunc(cmdline, func(r rune) bool {
+		return unicode.IsControl(r) || unicode.IsSpace(r)
+	})
+
+	if idx == -1 {
+		return filepath.Base(string(cmdline))
+	}
+	return filepath.Base(string(cmdline[:idx]))
+}
+
 func isPid(s string) bool {
 	return strings.IndexFunc(s, func(r rune) bool {
 		return !unicode.IsDigit(r)

component/process/process_other.go

@@ -2,8 +2,12 @@
 
 package process
 
-import "net"
+import "net/netip"
 
-func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
-	return "", ErrPlatformNotSupport
+func findProcessName(network string, ip netip.Addr, srcPort int) (int32, string, error) {
+	return -1, "", ErrPlatformNotSupport
+}
+
+func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (int32, int32, error) {
+	return 0, 0, ErrPlatformNotSupport
 }

component/process/process_windows.go

@@ -2,13 +2,13 @@ package process
 
 import (
 	"fmt"
-	"net"
+	"net/netip"
 	"sync"
 	"syscall"
 	"unsafe"
 
+	"github.com/Dreamacro/clash/common/nnip"
 	"github.com/Dreamacro/clash/log"
-
 	"golang.org/x/sys/windows"
 )
 
@@ -28,6 +28,10 @@ var (
 	once sync.Once
 )
 
+func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (int32, int32, error) {
+	return 0, 0, ErrPlatformNotSupport
+}
+
 func initWin32API() error {
 	h, err := windows.LoadLibrary("iphlpapi.dll")
 	if err != nil {
@@ -57,7 +61,7 @@ func initWin32API() error {
 	return nil
 }
 
-func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
+func findProcessName(network string, ip netip.Addr, srcPort int) (int32, string, error) {
 	once.Do(func() {
 		err := initWin32API()
 		if err != nil {
@@ -67,7 +71,7 @@ func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
 		}
 	})
 	family := windows.AF_INET
-	if ip.To4() == nil {
+	if ip.Is6() {
 		family = windows.AF_INET6
 	}
 
@@ -81,21 +85,22 @@ func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
 		fn = getExUDPTable
 		class = udpTablePid
 	default:
-		return "", ErrInvalidNetwork
+		return -1, "", ErrInvalidNetwork
 	}
 
 	buf, err := getTransportTable(fn, family, class)
 	if err != nil {
-		return "", err
+		return -1, "", err
 	}
 
 	s := newSearcher(family == windows.AF_INET, network == TCP)
 
 	pid, err := s.Search(buf, ip, uint16(srcPort))
 	if err != nil {
-		return "", err
+		return -1, "", err
 	}
-	return getExecPathFromPID(pid)
+	pp, err := getExecPathFromPID(pid)
+	return -1, pp, err
 }
 
 type searcher struct {
@@ -107,7 +112,7 @@ type searcher struct {
 	tcpState int
 }
 
-func (s *searcher) Search(b []byte, ip net.IP, port uint16) (uint32, error) {
+func (s *searcher) Search(b []byte, ip netip.Addr, port uint16) (uint32, error) {
 	n := int(readNativeUint32(b[:4]))
 	itemSize := s.itemSize
 	for i := 0; i < n; i++ {
@@ -131,9 +136,9 @@ func (s *searcher) Search(b []byte, ip net.IP, port uint16) (uint32, error) {
 			continue
 		}
 
-		srcIP := net.IP(row[s.ip : s.ip+s.ipSize])
+		srcIP := nnip.IpToAddr(row[s.ip : s.ip+s.ipSize])
 		// windows binds an unbound udp socket to 0.0.0.0/[::] while first sendto
-		if !ip.Equal(srcIP) && (!srcIP.IsUnspecified() || s.tcpState != -1) {
+		if ip != srcIP && (!srcIP.IsUnspecified() || s.tcpState != -1) {
 			continue
 		}
 
@@ -214,8 +219,7 @@ func getExecPathFromPID(pid uint32) (string, error) {
 		uintptr(h),
 		uintptr(1),
 		uintptr(unsafe.Pointer(&buf[0])),
-		uintptr(unsafe.Pointer(&size)),
-		0, 0)
+		uintptr(unsafe.Pointer(&size)))
 	if r1 == 0 {
 		return "", err
 	}

component/profile/cachefile/cache.go

@@ -8,7 +8,6 @@ import (
 	"github.com/Dreamacro/clash/component/profile"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
-
 	"go.etcd.io/bbolt"
 )
 

component/resolver/defaults.go

@@ -0,0 +1,12 @@
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
+
+package resolver
+
+import _ "unsafe"
+
+//go:linkname defaultNS net.defaultNS
+var defaultNS []string
+
+func init() {
+	defaultNS = []string{"114.114.114.114:53", "8.8.8.8:53"}
+}

component/resolver/enhancer.go

@@ -1,20 +1,19 @@
 package resolver
 
-import (
-	"net"
-)
+import "net/netip"
 
 var DefaultHostMapper Enhancer
 
 type Enhancer interface {
 	FakeIPEnabled() bool
 	MappingEnabled() bool
-	IsFakeIP(net.IP) bool
-	IsFakeBroadcastIP(net.IP) bool
-	IsExistFakeIP(net.IP) bool
-	FindHostByIP(net.IP) (string, bool)
+	IsFakeIP(netip.Addr) bool
+	IsFakeBroadcastIP(netip.Addr) bool
+	IsExistFakeIP(netip.Addr) bool
+	FindHostByIP(netip.Addr) (string, bool)
 	FlushFakeIP() error
-	InsertHostByIP(net.IP, string)
+	InsertHostByIP(netip.Addr, string)
+	StoreFakePoolState()
 }
 
 func FakeIPEnabled() bool {
@@ -33,7 +32,7 @@ func MappingEnabled() bool {
 	return false
 }
 
-func IsFakeIP(ip net.IP) bool {
+func IsFakeIP(ip netip.Addr) bool {
 	if mapper := DefaultHostMapper; mapper != nil {
 		return mapper.IsFakeIP(ip)
 	}
@@ -41,7 +40,7 @@ func IsFakeIP(ip net.IP) bool {
 	return false
 }
 
-func IsFakeBroadcastIP(ip net.IP) bool {
+func IsFakeBroadcastIP(ip netip.Addr) bool {
 	if mapper := DefaultHostMapper; mapper != nil {
 		return mapper.IsFakeBroadcastIP(ip)
 	}
@@ -49,7 +48,7 @@ func IsFakeBroadcastIP(ip net.IP) bool {
 	return false
 }
 
-func IsExistFakeIP(ip net.IP) bool {
+func IsExistFakeIP(ip netip.Addr) bool {
 	if mapper := DefaultHostMapper; mapper != nil {
 		return mapper.IsExistFakeIP(ip)
 	}
@@ -57,13 +56,13 @@ func IsExistFakeIP(ip net.IP) bool {
 	return false
 }
 
-func InsertHostByIP(ip net.IP, host string) {
+func InsertHostByIP(ip netip.Addr, host string) {
 	if mapper := DefaultHostMapper; mapper != nil {
 		mapper.InsertHostByIP(ip, host)
 	}
 }
 
-func FindHostByIP(ip net.IP) (string, bool) {
+func FindHostByIP(ip netip.Addr) (string, bool) {
 	if mapper := DefaultHostMapper; mapper != nil {
 		return mapper.FindHostByIP(ip)
 	}
@@ -77,3 +76,9 @@ func FlushFakeIP() error {
 	}
 	return nil
 }
+
+func StoreFakePoolState() {
+	if mapper := DefaultHostMapper; mapper != nil {
+		mapper.StoreFakePoolState()
+	}
+}

component/resolver/resolver.go

@@ -6,9 +6,9 @@ import (
 	"math/rand"
 	"net"
 	"net/netip"
-	"strings"
 	"time"
 
+	"github.com/Dreamacro/clash/common/nnip"
 	"github.com/Dreamacro/clash/component/trie"
 )
 
@@ -37,77 +37,115 @@ var (
 )
 
 type Resolver interface {
-	ResolveIP(host string) (ip net.IP, err error)
-	ResolveIPv4(host string) (ip net.IP, err error)
-	ResolveIPv6(host string) (ip net.IP, err error)
+	ResolveIP(host string) (ip netip.Addr, err error)
+	ResolveIPv4(host string) (ip netip.Addr, err error)
+	ResolveIPv6(host string) (ip netip.Addr, err error)
+	ResolveAllIP(host string) (ip []netip.Addr, err error)
+	ResolveAllIPPrimaryIPv4(host string) (ips []netip.Addr, err error)
+	ResolveAllIPv4(host string) (ips []netip.Addr, err error)
+	ResolveAllIPv6(host string) (ips []netip.Addr, err error)
 }
 
 // ResolveIPv4 with a host, return ipv4
-func ResolveIPv4(host string) (net.IP, error) {
+func ResolveIPv4(host string) (netip.Addr, error) {
 	return ResolveIPv4WithResolver(host, DefaultResolver)
 }
 
-func ResolveIPv4WithResolver(host string, r Resolver) (net.IP, error) {
-	if node := DefaultHosts.Search(host); node != nil {
-		if ip := node.Data; ip.Is4() {
-			return ip.AsSlice(), nil
-		}
+func ResolveIPv4WithResolver(host string, r Resolver) (netip.Addr, error) {
+	if ips, err := ResolveAllIPv4WithResolver(host, r); err == nil {
+		return ips[rand.Intn(len(ips))], nil
+	} else {
+		return netip.Addr{}, nil
 	}
-
-	ip := net.ParseIP(host)
-	if ip != nil {
-		if !strings.Contains(host, ":") {
-			return ip, nil
-		}
-		return nil, ErrIPVersion
-	}
-
-	if r != nil {
-		return r.ResolveIPv4(host)
-	}
-
-	if DefaultResolver == nil {
-		ctx, cancel := context.WithTimeout(context.Background(), DefaultDNSTimeout)
-		defer cancel()
-		ipAddrs, err := net.DefaultResolver.LookupIP(ctx, "ip4", host)
-		if err != nil {
-			return nil, err
-		} else if len(ipAddrs) == 0 {
-			return nil, ErrIPNotFound
-		}
-
-		return ipAddrs[rand.Intn(len(ipAddrs))], nil
-	}
-
-	return nil, ErrIPNotFound
 }
 
 // ResolveIPv6 with a host, return ipv6
-func ResolveIPv6(host string) (net.IP, error) {
+func ResolveIPv6(host string) (netip.Addr, error) {
 	return ResolveIPv6WithResolver(host, DefaultResolver)
 }
 
-func ResolveIPv6WithResolver(host string, r Resolver) (net.IP, error) {
+func ResolveIPv6WithResolver(host string, r Resolver) (netip.Addr, error) {
+	if ips, err := ResolveAllIPv6WithResolver(host, r); err == nil {
+		return ips[rand.Intn(len(ips))], nil
+	} else {
+		return netip.Addr{}, err
+	}
+}
+
+// ResolveIPWithResolver same as ResolveIP, but with a resolver
+func ResolveIPWithResolver(host string, r Resolver) (netip.Addr, error) {
+	if ips, err := ResolveAllIPPrimaryIPv4WithResolver(host, r); err == nil {
+		return ips[rand.Intn(len(ips))], nil
+	} else {
+		return netip.Addr{}, err
+	}
+}
+
+// ResolveIP with a host, return ip
+func ResolveIP(host string) (netip.Addr, error) {
+	return ResolveIPWithResolver(host, DefaultResolver)
+}
+
+// ResolveIPv4ProxyServerHost proxies server host only
+func ResolveIPv4ProxyServerHost(host string) (netip.Addr, error) {
+	if ProxyServerHostResolver != nil {
+		if ip, err := ResolveIPv4WithResolver(host, ProxyServerHostResolver); err != nil {
+			return ResolveIPv4(host)
+		} else {
+			return ip, nil
+		}
+	}
+
+	return ResolveIPv4(host)
+}
+
+// ResolveIPv6ProxyServerHost proxies server host only
+func ResolveIPv6ProxyServerHost(host string) (netip.Addr, error) {
+	if ProxyServerHostResolver != nil {
+		if ip, err := ResolveIPv6WithResolver(host, ProxyServerHostResolver); err != nil {
+			return ResolveIPv6(host)
+		} else {
+			return ip, nil
+		}
+	}
+
+	return ResolveIPv6(host)
+}
+
+// ResolveProxyServerHost proxies server host only
+func ResolveProxyServerHost(host string) (netip.Addr, error) {
+	if ProxyServerHostResolver != nil {
+		if ip, err := ResolveIPWithResolver(host, ProxyServerHostResolver); err != nil {
+			return ResolveIP(host)
+		} else {
+			return ip, err
+		}
+	}
+
+	return ResolveIP(host)
+}
+
+func ResolveAllIPv6WithResolver(host string, r Resolver) ([]netip.Addr, error) {
 	if DisableIPv6 {
-		return nil, ErrIPv6Disabled
+		return []netip.Addr{}, ErrIPv6Disabled
 	}
 
 	if node := DefaultHosts.Search(host); node != nil {
 		if ip := node.Data; ip.Is6() {
-			return ip.AsSlice(), nil
+			return []netip.Addr{ip}, nil
 		}
 	}
 
-	ip := net.ParseIP(host)
-	if ip != nil {
-		if strings.Contains(host, ":") {
-			return ip, nil
+	ip, err := netip.ParseAddr(host)
+	if err == nil {
+		if ip.Is6() {
+			return []netip.Addr{ip}, nil
 		}
-		return nil, ErrIPVersion
+		return []netip.Addr{}, ErrIPVersion
 	}
 
 	if r != nil {
-		return r.ResolveIPv6(host)
+		return r.ResolveAllIPv6(host)
 	}
 
 	if DefaultResolver == nil {
@@ -115,75 +153,153 @@ func ResolveIPv6WithResolver(host string, r Resolver) (net.IP, error) {
 		defer cancel()
 		ipAddrs, err := net.DefaultResolver.LookupIP(ctx, "ip6", host)
 		if err != nil {
-			return nil, err
+			return []netip.Addr{}, err
 		} else if len(ipAddrs) == 0 {
-			return nil, ErrIPNotFound
+			return []netip.Addr{}, ErrIPNotFound
 		}
 
-		return ipAddrs[rand.Intn(len(ipAddrs))], nil
+		return []netip.Addr{netip.AddrFrom16(*(*[16]byte)(ipAddrs[rand.Intn(len(ipAddrs))]))}, nil
 	}
 
-	return nil, ErrIPNotFound
+	return []netip.Addr{}, ErrIPNotFound
 }
 
-// ResolveIPWithResolver same as ResolveIP, but with a resolver
-func ResolveIPWithResolver(host string, r Resolver) (net.IP, error) {
+func ResolveAllIPv4WithResolver(host string, r Resolver) ([]netip.Addr, error) {
 	if node := DefaultHosts.Search(host); node != nil {
-		ip := node.Data
-		return ip.Unmap().AsSlice(), nil
+		if ip := node.Data; ip.Is4() {
+			return []netip.Addr{node.Data}, nil
+		}
+	}
+
+	ip, err := netip.ParseAddr(host)
+	if err == nil {
+		if ip.Is4() {
+			return []netip.Addr{ip}, nil
+		}
+		return []netip.Addr{}, ErrIPVersion
+	}
+
+	if r != nil {
+		return r.ResolveAllIPv4(host)
+	}
+
+	if DefaultResolver == nil {
+		ctx, cancel := context.WithTimeout(context.Background(), DefaultDNSTimeout)
+		defer cancel()
+		ipAddrs, err := net.DefaultResolver.LookupIP(ctx, "ip4", host)
+		if err != nil {
+			return []netip.Addr{}, err
+		} else if len(ipAddrs) == 0 {
+			return []netip.Addr{}, ErrIPNotFound
+		}
+
+		ip := ipAddrs[rand.Intn(len(ipAddrs))].To4()
+		if ip == nil {
+			return []netip.Addr{}, ErrIPVersion
+		}
+
+		return []netip.Addr{netip.AddrFrom4(*(*[4]byte)(ip))}, nil
+	}
+
+	return []netip.Addr{}, ErrIPNotFound
+}
+
+func ResolveAllIPWithResolver(host string, r Resolver) ([]netip.Addr, error) {
+	if node := DefaultHosts.Search(host); node != nil {
+		return []netip.Addr{node.Data}, nil
 	}
 
 	if r != nil {
 		if DisableIPv6 {
-			return r.ResolveIPv4(host)
+			return r.ResolveAllIPv4(host)
 		}
-		return r.ResolveIP(host)
+
+		return r.ResolveAllIP(host)
 	} else if DisableIPv6 {
-		return ResolveIPv4(host)
+		return ResolveAllIPv4(host)
 	}
 
-	ip := net.ParseIP(host)
-	if ip != nil {
-		return ip, nil
+	ip, err := netip.ParseAddr(host)
+	if err == nil {
+		return []netip.Addr{ip}, nil
 	}
 
 	if DefaultResolver == nil {
 		ipAddr, err := net.ResolveIPAddr("ip", host)
 		if err != nil {
-			return nil, err
+			return []netip.Addr{}, err
 		}
 
-		return ipAddr.IP, nil
+		return []netip.Addr{nnip.IpToAddr(ipAddr.IP)}, nil
 	}
 
-	return nil, ErrIPNotFound
+	return []netip.Addr{}, ErrIPNotFound
 }
 
-// ResolveIP with a host, return ip
-func ResolveIP(host string) (net.IP, error) {
-	return ResolveIPWithResolver(host, DefaultResolver)
+func ResolveAllIPPrimaryIPv4WithResolver(host string, r Resolver) ([]netip.Addr, error) {
+	if node := DefaultHosts.Search(host); node != nil {
+		return []netip.Addr{node.Data}, nil
+	}
+
+	if r != nil {
+		if DisableIPv6 {
+			return r.ResolveAllIPv4(host)
+		}
+
+		return r.ResolveAllIPPrimaryIPv4(host)
+	} else if DisableIPv6 {
+		return ResolveAllIPv4(host)
+	}
+
+	ip, err := netip.ParseAddr(host)
+	if err == nil {
+		return []netip.Addr{ip}, nil
+	}
+
+	if DefaultResolver == nil {
+		ipAddr, err := net.ResolveIPAddr("ip", host)
+		if err != nil {
+			return []netip.Addr{}, err
+		}
+
+		return []netip.Addr{nnip.IpToAddr(ipAddr.IP)}, nil
+	}
+
+	return []netip.Addr{}, ErrIPNotFound
 }
 
-// ResolveIPv4ProxyServerHost proxies server host only
-func ResolveIPv4ProxyServerHost(host string) (net.IP, error) {
+func ResolveAllIP(host string) ([]netip.Addr, error) {
+	return ResolveAllIPWithResolver(host, DefaultResolver)
+}
+
+func ResolveAllIPv4(host string) ([]netip.Addr, error) {
+	return ResolveAllIPv4WithResolver(host, DefaultResolver)
+}
+
+func ResolveAllIPv6(host string) ([]netip.Addr, error) {
+	return ResolveAllIPv6WithResolver(host, DefaultResolver)
+}
+
+func ResolveAllIPv6ProxyServerHost(host string) ([]netip.Addr, error) {
 	if ProxyServerHostResolver != nil {
-		return ResolveIPv4WithResolver(host, ProxyServerHostResolver)
+		return ResolveAllIPv6WithResolver(host, ProxyServerHostResolver)
 	}
-	return ResolveIPv4(host)
+
+	return ResolveAllIPv6(host)
 }
 
-// ResolveIPv6ProxyServerHost proxies server host only
-func ResolveIPv6ProxyServerHost(host string) (net.IP, error) {
+func ResolveAllIPv4ProxyServerHost(host string) ([]netip.Addr, error) {
 	if ProxyServerHostResolver != nil {
-		return ResolveIPv6WithResolver(host, ProxyServerHostResolver)
+		return ResolveAllIPv4WithResolver(host, ProxyServerHostResolver)
 	}
-	return ResolveIPv6(host)
+
+	return ResolveAllIPv4(host)
 }
 
-// ResolveProxyServerHost proxies server host only
-func ResolveProxyServerHost(host string) (net.IP, error) {
+func ResolveAllIPProxyServerHost(host string) ([]netip.Addr, error) {
 	if ProxyServerHostResolver != nil {
-		return ResolveIPWithResolver(host, ProxyServerHostResolver)
+		return ResolveAllIPWithResolver(host, ProxyServerHostResolver)
 	}
-	return ResolveIP(host)
+
+	return ResolveAllIP(host)
 }

component/sniffer/dispatcher.go

@@ -2,30 +2,39 @@ package sniffer
 
 import (
 	"errors"
-	"github.com/Dreamacro/clash/component/trie"
 	"net"
+	"net/netip"
+	"strconv"
+	"time"
 
 	CN "github.com/Dreamacro/clash/common/net"
+	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/component/resolver"
+	"github.com/Dreamacro/clash/component/trie"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/constant/sniffer"
 	"github.com/Dreamacro/clash/log"
 )
 
 var (
 	ErrorUnsupportedSniffer = errors.New("unsupported sniffer")
 	ErrorSniffFailed        = errors.New("all sniffer failed")
+	ErrNoClue               = errors.New("not enough information for making a decision")
 )
 
 var Dispatcher SnifferDispatcher
 
-type SnifferDispatcher struct {
-	enable bool
+type (
+	SnifferDispatcher struct {
+		enable bool
 
-	sniffers []C.Sniffer
+		sniffers []sniffer.Sniffer
 
-	foreDomain *trie.DomainTrie[bool]
-	skipSNI    *trie.DomainTrie[bool]
-}
+		foreDomain *trie.DomainTrie[bool]
+		skipSNI    *trie.DomainTrie[bool]
+		portRanges *[]utils.Range[uint16]
+	}
+)
 
 func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
 	bufConn, ok := conn.(*CN.BufferedConn)
@@ -34,6 +43,24 @@ func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
 	}
 
 	if metadata.Host == "" || sd.foreDomain.Search(metadata.Host) != nil {
+		port, err := strconv.ParseUint(metadata.DstPort, 10, 16)
+		if err != nil {
+			log.Debugln("[Sniffer] Dst port is error")
+			return
+		}
+
+		inWhitelist := false
+		for _, portRange := range *sd.portRanges {
+			if portRange.Contains(uint16(port)) {
+				inWhitelist = true
+				break
+			}
+		}
+
+		if !inWhitelist {
+			return
+		}
+
 		if host, err := sd.sniffDomain(bufConn, metadata); err != nil {
 			log.Debugln("[Sniffer] All sniffing sniff failed with from [%s:%s] to [%s:%s]", metadata.SrcIP, metadata.SrcPort, metadata.String(), metadata.DstPort)
 			return
@@ -58,7 +85,6 @@ func (sd *SnifferDispatcher) replaceDomain(metadata *C.Metadata, host string) {
 	metadata.Host = host
 	metadata.DNSMode = C.DNSMapping
 	resolver.InsertHostByIP(metadata.DstIP, host)
-	metadata.DstIP = nil
 }
 
 func (sd *SnifferDispatcher) Enable() bool {
@@ -68,8 +94,16 @@ func (sd *SnifferDispatcher) Enable() bool {
 func (sd *SnifferDispatcher) sniffDomain(conn *CN.BufferedConn, metadata *C.Metadata) (string, error) {
 	for _, sniffer := range sd.sniffers {
 		if sniffer.SupportNetwork() == C.TCP {
+			_ = conn.SetReadDeadline(time.Now().Add(3 * time.Second))
 			_, err := conn.Peek(1)
+			_ = conn.SetReadDeadline(time.Time{})
 			if err != nil {
+				_, ok := err.(*net.OpError)
+				if ok {
+					log.Errorln("[Sniffer] [%s] may not have any sent data, Consider adding skip", metadata.DstIP.String())
+					_ = conn.Close()
+				}
+
 				return "", err
 			}
 
@@ -82,7 +116,13 @@ func (sd *SnifferDispatcher) sniffDomain(conn *CN.BufferedConn, metadata *C.Meta
 
 			host, err := sniffer.SniffTCP(bytes)
 			if err != nil {
-				log.Debugln("[Sniffer] [%s] Sniff data failed %s", sniffer.Protocol(), metadata.DstIP)
+				// log.Debugln("[Sniffer] [%s] Sniff data failed %s", sniffer.Protocol(), metadata.DstIP)
+				continue
+			}
+
+			_, err = netip.ParseAddr(host)
+			if err == nil {
+				// log.Debugln("[Sniffer] [%s] Sniff data failed %s", sniffer.Protocol(), metadata.DstIP)
 				continue
 			}
 
@@ -101,11 +141,14 @@ func NewCloseSnifferDispatcher() (*SnifferDispatcher, error) {
 	return &dispatcher, nil
 }
 
-func NewSnifferDispatcher(needSniffer []C.SnifferType, forceDomain *trie.DomainTrie[bool], skipSNI *trie.DomainTrie[bool]) (*SnifferDispatcher, error) {
+func NewSnifferDispatcher(needSniffer []sniffer.Type, forceDomain *trie.DomainTrie[bool],
+	skipSNI *trie.DomainTrie[bool], ports *[]utils.Range[uint16],
+) (*SnifferDispatcher, error) {
 	dispatcher := SnifferDispatcher{
 		enable:     true,
 		foreDomain: forceDomain,
 		skipSNI:    skipSNI,
+		portRanges: ports,
 	}
 
 	for _, snifferName := range needSniffer {
@@ -121,10 +164,12 @@ func NewSnifferDispatcher(needSniffer []C.SnifferType, forceDomain *trie.DomainT
 	return &dispatcher, nil
 }
 
-func NewSniffer(name C.SnifferType) (C.Sniffer, error) {
+func NewSniffer(name sniffer.Type) (sniffer.Sniffer, error) {
 	switch name {
-	case C.TLS:
+	case sniffer.TLS:
 		return &TLSSniffer{}, nil
+	case sniffer.HTTP:
+		return &HTTPSniffer{}, nil
 	default:
 		return nil, ErrorUnsupportedSniffer
 	}

component/sniffer/http_sniffer.go

@@ -0,0 +1,101 @@
+package sniffer
+
+import (
+	"bytes"
+	"errors"
+	"net"
+	"strings"
+
+	C "github.com/Dreamacro/clash/constant"
+)
+
+var (
+	// refer to https://pkg.go.dev/net/http@master#pkg-constants
+	methods          = [...]string{"get", "post", "head", "put", "delete", "options", "connect", "patch", "trace"}
+	errNotHTTPMethod = errors.New("not an HTTP method")
+)
+
+type version byte
+
+const (
+	HTTP1 version = iota
+	HTTP2
+)
+
+type HTTPSniffer struct {
+	version version
+	host    string
+}
+
+func (http *HTTPSniffer) Protocol() string {
+	switch http.version {
+	case HTTP1:
+		return "http1"
+	case HTTP2:
+		return "http2"
+	default:
+		return "unknown"
+	}
+}
+
+func (http *HTTPSniffer) SupportNetwork() C.NetWork {
+	return C.TCP
+}
+
+func (http *HTTPSniffer) SniffTCP(bytes []byte) (string, error) {
+	domain, err := SniffHTTP(bytes)
+	if err == nil {
+		return *domain, nil
+	} else {
+		return "", err
+	}
+}
+
+func beginWithHTTPMethod(b []byte) error {
+	for _, m := range &methods {
+		if len(b) >= len(m) && strings.EqualFold(string(b[:len(m)]), m) {
+			return nil
+		}
+
+		if len(b) < len(m) {
+			return ErrNoClue
+		}
+	}
+	return errNotHTTPMethod
+}
+
+func SniffHTTP(b []byte) (*string, error) {
+	if err := beginWithHTTPMethod(b); err != nil {
+		return nil, err
+	}
+
+	_ = &HTTPSniffer{
+		version: HTTP1,
+	}
+
+	headers := bytes.Split(b, []byte{'\n'})
+	for i := 1; i < len(headers); i++ {
+		header := headers[i]
+		if len(header) == 0 {
+			break
+		}
+		parts := bytes.SplitN(header, []byte{':'}, 2)
+		if len(parts) != 2 {
+			continue
+		}
+		key := strings.ToLower(string(parts[0]))
+		if key == "host" {
+			rawHost := strings.ToLower(string(bytes.TrimSpace(parts[1])))
+			host, _, err := net.SplitHostPort(rawHost)
+			if err != nil {
+				if addrError, ok := err.(*net.AddrError); ok && strings.Contains(addrError.Err, "missing port") {
+					host = rawHost
+				} else {
+					return nil, err
+				}
+			}
+			return &host, nil
+		}
+	}
+	return nil, ErrNoClue
+}

component/sniffer/quic_sniffer.go

@@ -0,0 +1,3 @@
+package sniffer
+
+// TODO

component/sniffer/tls_sniffer.go

@@ -11,11 +11,9 @@ import (
 var (
 	errNotTLS         = errors.New("not TLS header")
 	errNotClientHello = errors.New("not client hello")
-	ErrNoClue         = errors.New("not enough information for making a decision")
 )
 
-type TLSSniffer struct {
-}
+type TLSSniffer struct{}
 
 func (tls *TLSSniffer) Protocol() string {
 	return "tls"