Merge branch 'master' into dev

api/config.go

@@ -62,6 +62,9 @@ type saveConfigRequest struct {
 	// output format, one of yaml|json, default is yaml.
 	// in: query
 	Format string `form:"format" json:"format"`
+	// file path, default is gost.yaml|gost.json in current working directory.
+	// in: query
+	Path string `form:"path" json:"path"`
 }
 
 // successful operation.
@@ -92,6 +95,10 @@ func saveConfig(ctx *gin.Context) {
 		req.Format = "yaml"
 	}
 
+	if req.Path != "" {
+		file = req.Path
+	}
+
 	f, err := os.Create(file)
 	if err != nil {
 		writeError(ctx, &Error{

api/config_router.go

@@ -0,0 +1,169 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/go-gost/x/config"
+	parser "github.com/go-gost/x/config/parsing/router"
+	"github.com/go-gost/x/registry"
+)
+
+// swagger:parameters createRouterRequest
+type createRouterRequest struct {
+	// in: body
+	Data config.RouterConfig `json:"data"`
+}
+
+// successful operation.
+// swagger:response createRouterResponse
+type createRouterResponse struct {
+	Data Response
+}
+
+func createRouter(ctx *gin.Context) {
+	// swagger:route POST /config/routers Router createRouterRequest
+	//
+	// Create a new router, the name of the router must be unique in router list.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: createRouterResponse
+
+	var req createRouterRequest
+	ctx.ShouldBindJSON(&req.Data)
+
+	if req.Data.Name == "" {
+		writeError(ctx, ErrInvalid)
+		return
+	}
+
+	v := parser.ParseRouter(&req.Data)
+
+	if err := registry.RouterRegistry().Register(req.Data.Name, v); err != nil {
+		writeError(ctx, ErrDup)
+		return
+	}
+
+	config.OnUpdate(func(c *config.Config) error {
+		c.Routers = append(c.Routers, &req.Data)
+		return nil
+	})
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}
+
+// swagger:parameters updateRouterRequest
+type updateRouterRequest struct {
+	// in: path
+	// required: true
+	Router string `uri:"router" json:"router"`
+	// in: body
+	Data config.RouterConfig `json:"data"`
+}
+
+// successful operation.
+// swagger:response updateRouterResponse
+type updateRouterResponse struct {
+	Data Response
+}
+
+func updateRouter(ctx *gin.Context) {
+	// swagger:route PUT /config/routers/{router} Router updateRouterRequest
+	//
+	// Update router by name, the router must already exist.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: updateRouterResponse
+
+	var req updateRouterRequest
+	ctx.ShouldBindUri(&req)
+	ctx.ShouldBindJSON(&req.Data)
+
+	if !registry.RouterRegistry().IsRegistered(req.Router) {
+		writeError(ctx, ErrNotFound)
+		return
+	}
+
+	req.Data.Name = req.Router
+
+	v := parser.ParseRouter(&req.Data)
+
+	registry.RouterRegistry().Unregister(req.Router)
+
+	if err := registry.RouterRegistry().Register(req.Router, v); err != nil {
+		writeError(ctx, ErrDup)
+		return
+	}
+
+	config.OnUpdate(func(c *config.Config) error {
+		for i := range c.Routers {
+			if c.Routers[i].Name == req.Router {
+				c.Routers[i] = &req.Data
+				break
+			}
+		}
+		return nil
+	})
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}
+
+// swagger:parameters deleteRouterRequest
+type deleteRouterRequest struct {
+	// in: path
+	// required: true
+	Router string `uri:"router" json:"router"`
+}
+
+// successful operation.
+// swagger:response deleteRouterResponse
+type deleteRouterResponse struct {
+	Data Response
+}
+
+func deleteRouter(ctx *gin.Context) {
+	// swagger:route DELETE /config/routers/{router} Router deleteRouterRequest
+	//
+	// Delete router by name.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: deleteRouterResponse
+
+	var req deleteRouterRequest
+	ctx.ShouldBindUri(&req)
+
+	if !registry.RouterRegistry().IsRegistered(req.Router) {
+		writeError(ctx, ErrNotFound)
+		return
+	}
+	registry.RouterRegistry().Unregister(req.Router)
+
+	config.OnUpdate(func(c *config.Config) error {
+		routeres := c.Routers
+		c.Routers = nil
+		for _, s := range routeres {
+			if s.Name == req.Router {
+				continue
+			}
+			c.Routers = append(c.Routers, s)
+		}
+		return nil
+	})
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}

api/service.go

@@ -138,6 +138,10 @@ func registerConfig(config *gin.RouterGroup) {
 	config.PUT("/ingresses/:ingress", updateIngress)
 	config.DELETE("/ingresses/:ingress", deleteIngress)
 
+	config.POST("/routers", createRouter)
+	config.PUT("/routers/:router", updateRouter)
+	config.DELETE("/routers/:router", deleteRouter)
+
 	config.POST("/limiters", createLimiter)
 	config.PUT("/limiters/:limiter", updateLimiter)
 	config.DELETE("/limiters/:limiter", deleteLimiter)

api/swagger.yaml

@@ -34,6 +34,8 @@ definitions:
             name:
                 type: string
                 x-go-name: Name
+            plugin:
+                $ref: '#/definitions/PluginConfig'
             redis:
                 $ref: '#/definitions/RedisLoader'
             reload:
@@ -71,6 +73,8 @@ definitions:
             name:
                 type: string
                 x-go-name: Name
+            plugin:
+                $ref: '#/definitions/PluginConfig'
             redis:
                 $ref: '#/definitions/RedisLoader'
             reload:
@@ -91,6 +95,8 @@ definitions:
             name:
                 type: string
                 x-go-name: Name
+            plugin:
+                $ref: '#/definitions/PluginConfig'
             redis:
                 $ref: '#/definitions/RedisLoader'
             reload:
@@ -107,9 +113,6 @@ definitions:
     ChainConfig:
         properties:
             hops:
-                description: |-
-                    REMOVED since beta.6
-                    Selector *SelectorConfig `yaml:",omitempty" json:"selector,omitempty"`
                 items:
                     $ref: '#/definitions/HopConfig'
                 type: array
@@ -204,6 +207,16 @@ definitions:
                     $ref: '#/definitions/LimiterConfig'
                 type: array
                 x-go-name: RLimiters
+            routers:
+                items:
+                    $ref: '#/definitions/RouterConfig'
+                type: array
+                x-go-name: Routers
+            sds:
+                items:
+                    $ref: '#/definitions/SDConfig'
+                type: array
+                x-go-name: SDs
             services:
                 items:
                     $ref: '#/definitions/ServiceConfig'
@@ -273,6 +286,8 @@ definitions:
             addr:
                 type: string
                 x-go-name: Addr
+            auth:
+                $ref: '#/definitions/AuthConfig'
             bypass:
                 type: string
                 x-go-name: Bypass
@@ -284,12 +299,22 @@ definitions:
             host:
                 type: string
                 x-go-name: Host
+            http:
+                $ref: '#/definitions/HTTPNodeConfig'
             name:
                 type: string
                 x-go-name: Name
+            network:
+                type: string
+                x-go-name: Network
+            path:
+                type: string
+                x-go-name: Path
             protocol:
                 type: string
                 x-go-name: Protocol
+            tls:
+                $ref: '#/definitions/TLSNodeConfig'
         type: object
         x-go-package: github.com/go-gost/x/config
     ForwarderConfig:
@@ -304,12 +329,6 @@ definitions:
                 x-go-name: Nodes
             selector:
                 $ref: '#/definitions/SelectorConfig'
-            targets:
-                description: DEPRECATED by nodes since beta.4
-                items:
-                    type: string
-                type: array
-                x-go-name: Targets
         type: object
         x-go-package: github.com/go-gost/x/config
     HTTPLoader:
@@ -321,6 +340,27 @@ definitions:
                 x-go-name: URL
         type: object
         x-go-package: github.com/go-gost/x/config
+    HTTPNodeConfig:
+        properties:
+            header:
+                additionalProperties:
+                    type: string
+                type: object
+                x-go-name: Header
+            host:
+                type: string
+                x-go-name: Host
+        type: object
+        x-go-package: github.com/go-gost/x/config
+    HTTPRecorder:
+        properties:
+            timeout:
+                $ref: '#/definitions/Duration'
+            url:
+                type: string
+                x-go-name: URL
+        type: object
+        x-go-package: github.com/go-gost/x/config
     HandlerConfig:
         properties:
             auth:
@@ -338,9 +378,9 @@ definitions:
                 x-go-name: Chain
             chainGroup:
                 $ref: '#/definitions/ChainGroupConfig'
-            ingress:
+            limiter:
                 type: string
-                x-go-name: Ingress
+                x-go-name: Limiter
             metadata:
                 additionalProperties: {}
                 type: object
@@ -366,9 +406,13 @@ definitions:
                     type: string
                 type: array
                 x-go-name: Bypasses
+            file:
+                $ref: '#/definitions/FileLoader'
             hosts:
                 type: string
                 x-go-name: Hosts
+            http:
+                $ref: '#/definitions/HTTPLoader'
             interface:
                 type: string
                 x-go-name: Interface
@@ -380,6 +424,12 @@ definitions:
                     $ref: '#/definitions/NodeConfig'
                 type: array
                 x-go-name: Nodes
+            plugin:
+                $ref: '#/definitions/PluginConfig'
+            redis:
+                $ref: '#/definitions/RedisLoader'
+            reload:
+                $ref: '#/definitions/Duration'
             resolver:
                 type: string
                 x-go-name: Resolver
@@ -418,6 +468,8 @@ definitions:
             name:
                 type: string
                 x-go-name: Name
+            plugin:
+                $ref: '#/definitions/PluginConfig'
             redis:
                 $ref: '#/definitions/RedisLoader'
             reload:
@@ -433,6 +485,8 @@ definitions:
             name:
                 type: string
                 x-go-name: Name
+            plugin:
+                $ref: '#/definitions/PluginConfig'
             redis:
                 $ref: '#/definitions/RedisLoader'
             reload:
@@ -468,6 +522,8 @@ definitions:
             name:
                 type: string
                 x-go-name: Name
+            plugin:
+                $ref: '#/definitions/PluginConfig'
             redis:
                 $ref: '#/definitions/RedisLoader'
             reload:
@@ -564,6 +620,11 @@ definitions:
             addr:
                 type: string
                 x-go-name: Addr
+            auth:
+                $ref: '#/definitions/AuthConfig'
+            auther:
+                type: string
+                x-go-name: Auther
             path:
                 type: string
                 x-go-name: Path
@@ -574,6 +635,9 @@ definitions:
             addr:
                 type: string
                 x-go-name: Addr
+            async:
+                type: boolean
+                x-go-name: Async
             chain:
                 type: string
                 x-go-name: Chain
@@ -583,6 +647,9 @@ definitions:
             hostname:
                 type: string
                 x-go-name: Hostname
+            only:
+                type: string
+                x-go-name: Only
             prefer:
                 type: string
                 x-go-name: Prefer
@@ -597,6 +664,8 @@ definitions:
             addr:
                 type: string
                 x-go-name: Addr
+            auth:
+                $ref: '#/definitions/AuthConfig'
             bypass:
                 type: string
                 x-go-name: Bypass
@@ -615,6 +684,8 @@ definitions:
             hosts:
                 type: string
                 x-go-name: Hosts
+            http:
+                $ref: '#/definitions/HTTPNodeConfig'
             interface:
                 type: string
                 x-go-name: Interface
@@ -625,6 +696,12 @@ definitions:
             name:
                 type: string
                 x-go-name: Name
+            network:
+                type: string
+                x-go-name: Network
+            path:
+                type: string
+                x-go-name: Path
             protocol:
                 type: string
                 x-go-name: Protocol
@@ -633,6 +710,25 @@ definitions:
                 x-go-name: Resolver
             sockopts:
                 $ref: '#/definitions/SockOptsConfig'
+            tls:
+                $ref: '#/definitions/TLSNodeConfig'
+        type: object
+        x-go-package: github.com/go-gost/x/config
+    PluginConfig:
+        properties:
+            addr:
+                type: string
+                x-go-name: Addr
+            timeout:
+                $ref: '#/definitions/Duration'
+            tls:
+                $ref: '#/definitions/TLSConfig'
+            token:
+                type: string
+                x-go-name: Token
+            type:
+                type: string
+                x-go-name: Type
         type: object
         x-go-package: github.com/go-gost/x/config
     ProfilingConfig:
@@ -646,15 +742,24 @@ definitions:
         properties:
             file:
                 $ref: '#/definitions/FileRecorder'
+            http:
+                $ref: '#/definitions/HTTPRecorder'
             name:
                 type: string
                 x-go-name: Name
+            plugin:
+                $ref: '#/definitions/PluginConfig'
             redis:
                 $ref: '#/definitions/RedisRecorder'
+            tcp:
+                $ref: '#/definitions/TCPRecorder'
         type: object
         x-go-package: github.com/go-gost/x/config
     RecorderObject:
         properties:
+            Metadata:
+                additionalProperties: {}
+                type: object
             name:
                 type: string
                 x-go-name: Name
@@ -713,6 +818,8 @@ definitions:
                     $ref: '#/definitions/NameserverConfig'
                 type: array
                 x-go-name: Nameservers
+            plugin:
+                $ref: '#/definitions/PluginConfig'
         type: object
         x-go-package: github.com/go-gost/x/config
     Response:
@@ -726,6 +833,47 @@ definitions:
                 x-go-name: Msg
         type: object
         x-go-package: github.com/go-gost/x/api
+    RouterConfig:
+        properties:
+            file:
+                $ref: '#/definitions/FileLoader'
+            http:
+                $ref: '#/definitions/HTTPLoader'
+            name:
+                type: string
+                x-go-name: Name
+            plugin:
+                $ref: '#/definitions/PluginConfig'
+            redis:
+                $ref: '#/definitions/RedisLoader'
+            reload:
+                $ref: '#/definitions/Duration'
+            routes:
+                items:
+                    $ref: '#/definitions/RouterRouteConfig'
+                type: array
+                x-go-name: Routes
+        type: object
+        x-go-package: github.com/go-gost/x/config
+    RouterRouteConfig:
+        properties:
+            gateway:
+                type: string
+                x-go-name: Gateway
+            net:
+                type: string
+                x-go-name: Net
+        type: object
+        x-go-package: github.com/go-gost/x/config
+    SDConfig:
+        properties:
+            name:
+                type: string
+                x-go-name: Name
+            plugin:
+                $ref: '#/definitions/PluginConfig'
+        type: object
+        x-go-package: github.com/go-gost/x/config
     SelectorConfig:
         properties:
             failTimeout:
@@ -809,6 +957,15 @@ definitions:
                 x-go-name: Mark
         type: object
         x-go-package: github.com/go-gost/x/config
+    TCPRecorder:
+        properties:
+            addr:
+                type: string
+                x-go-name: Addr
+            timeout:
+                $ref: '#/definitions/Duration'
+        type: object
+        x-go-package: github.com/go-gost/x/config
     TLSConfig:
         properties:
             caFile:
@@ -823,6 +980,8 @@ definitions:
             keyFile:
                 type: string
                 x-go-name: KeyFile
+            options:
+                $ref: '#/definitions/TLSOptions'
             organization:
                 type: string
                 x-go-name: Organization
@@ -836,6 +995,33 @@ definitions:
                 $ref: '#/definitions/Duration'
         type: object
         x-go-package: github.com/go-gost/x/config
+    TLSNodeConfig:
+        properties:
+            options:
+                $ref: '#/definitions/TLSOptions'
+            secure:
+                type: boolean
+                x-go-name: Secure
+            serverName:
+                type: string
+                x-go-name: ServerName
+        type: object
+        x-go-package: github.com/go-gost/x/config
+    TLSOptions:
+        properties:
+            cipherSuites:
+                items:
+                    type: string
+                type: array
+                x-go-name: CipherSuites
+            maxVersion:
+                type: string
+                x-go-name: MaxVersion
+            minVersion:
+                type: string
+                x-go-name: MinVersion
+        type: object
+        x-go-package: github.com/go-gost/x/config
 info:
     title: Documentation of Web API.
     version: 1.0.0
@@ -866,6 +1052,11 @@ paths:
                   name: format
                   type: string
                   x-go-name: Format
+                - description: file path, default is gost.yaml|gost.json in current working directory.
+                  in: query
+                  name: path
+                  type: string
+                  x-go-name: Path
             responses:
                 "200":
                     $ref: '#/responses/saveConfigResponse'
@@ -1513,6 +1704,64 @@ paths:
             summary: Update rate limiter by name, the limiter must already exist.
             tags:
                 - Limiter
+    /config/routers:
+        post:
+            operationId: createRouterRequest
+            parameters:
+                - in: body
+                  name: data
+                  schema:
+                    $ref: '#/definitions/RouterConfig'
+                  x-go-name: Data
+            responses:
+                "200":
+                    $ref: '#/responses/createRouterResponse'
+            security:
+                - basicAuth:
+                    - '[]'
+            summary: Create a new router, the name of the router must be unique in router list.
+            tags:
+                - Router
+    /config/routers/{router}:
+        delete:
+            operationId: deleteRouterRequest
+            parameters:
+                - in: path
+                  name: router
+                  required: true
+                  type: string
+                  x-go-name: Router
+            responses:
+                "200":
+                    $ref: '#/responses/deleteRouterResponse'
+            security:
+                - basicAuth:
+                    - '[]'
+            summary: Delete router by name.
+            tags:
+                - Router
+        put:
+            operationId: updateRouterRequest
+            parameters:
+                - in: path
+                  name: router
+                  required: true
+                  type: string
+                  x-go-name: Router
+                - in: body
+                  name: data
+                  schema:
+                    $ref: '#/definitions/RouterConfig'
+                  x-go-name: Data
+            responses:
+                "200":
+                    $ref: '#/responses/updateRouterResponse'
+            security:
+                - basicAuth:
+                    - '[]'
+            summary: Update router by name, the router must already exist.
+            tags:
+                - Router
     /config/services:
         post:
             operationId: createServiceRequest
@@ -1640,6 +1889,12 @@ responses:
             Data: {}
         schema:
             $ref: '#/definitions/Response'
+    createRouterResponse:
+        description: successful operation.
+        headers:
+            Data: {}
+        schema:
+            $ref: '#/definitions/Response'
     createServiceResponse:
         description: successful operation.
         headers:
@@ -1712,6 +1967,12 @@ responses:
             Data: {}
         schema:
             $ref: '#/definitions/Response'
+    deleteRouterResponse:
+        description: successful operation.
+        headers:
+            Data: {}
+        schema:
+            $ref: '#/definitions/Response'
     deleteServiceResponse:
         description: successful operation.
         headers:
@@ -1796,6 +2057,12 @@ responses:
             Data: {}
         schema:
             $ref: '#/definitions/Response'
+    updateRouterResponse:
+        description: successful operation.
+        headers:
+            Data: {}
+        schema:
+            $ref: '#/definitions/Response'
     updateServiceResponse:
         description: successful operation.
         headers:

auth/plugin.go

@@ -10,8 +10,8 @@ import (
 	"github.com/go-gost/core/auth"
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/plugin/auth/proto"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	"github.com/go-gost/x/internal/plugin"
-	auth_util "github.com/go-gost/x/internal/util/auth"
 	"google.golang.org/grpc"
 )
 
@@ -58,7 +58,7 @@ func (p *grpcPlugin) Authenticate(ctx context.Context, user, password string, op
 		&proto.AuthenticateRequest{
 			Username: user,
 			Password: password,
-			Client:   string(auth_util.ClientAddrFromContext(ctx)),
+			Client:   string(ctxvalue.ClientAddrFromContext(ctx)),
 		})
 	if err != nil {
 		p.log.Error(err)
@@ -118,7 +118,7 @@ func (p *httpPlugin) Authenticate(ctx context.Context, user, password string, op
 	rb := httpPluginRequest{
 		Username: user,
 		Password: password,
-		Client:   string(auth_util.ClientAddrFromContext(ctx)),
+		Client:   string(ctxvalue.ClientAddrFromContext(ctx)),
 	}
 	v, err := json.Marshal(&rb)
 	if err != nil {

bypass/plugin.go

@@ -10,8 +10,8 @@ import (
 	"github.com/go-gost/core/bypass"
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/plugin/bypass/proto"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	"github.com/go-gost/x/internal/plugin"
-	auth_util "github.com/go-gost/x/internal/util/auth"
 	"google.golang.org/grpc"
 )
 
@@ -61,7 +61,7 @@ func (p *grpcPlugin) Contains(ctx context.Context, network, addr string, opts ..
 		&proto.BypassRequest{
 			Network: network,
 			Addr:    addr,
-			Client:  string(auth_util.IDFromContext(ctx)),
+			Client:  string(ctxvalue.ClientIDFromContext(ctx)),
 			Host:    options.Host,
 			Path:    options.Path,
 		})
@@ -129,7 +129,7 @@ func (p *httpPlugin) Contains(ctx context.Context, network, addr string, opts ..
 	rb := httpPluginRequest{
 		Network: network,
 		Addr:    addr,
-		Client:  string(auth_util.IDFromContext(ctx)),
+		Client:  string(ctxvalue.ClientIDFromContext(ctx)),
 		Host:    options.Host,
 		Path:    options.Path,
 	}

config/config.go

@@ -79,6 +79,11 @@ type LogRotationConfig struct {
 	Compress bool `yaml:"compress,omitempty" json:"compress,omitempty"`
 }
 
+type LoggerConfig struct {
+	Name string     `json:"name"`
+	Log  *LogConfig `yaml:",omitempty" json:"log,omitempty"`
+}
+
 type ProfilingConfig struct {
 	Addr string `json:"addr"`
 }
@@ -244,6 +249,21 @@ type SDConfig struct {
 	Plugin *PluginConfig `yaml:",omitempty" json:"plugin,omitempty"`
 }
 
+type RouterRouteConfig struct {
+	Net     string `json:"net"`
+	Gateway string `json:"gateway"`
+}
+
+type RouterConfig struct {
+	Name   string               `json:"name"`
+	Routes []*RouterRouteConfig `yaml:",omitempty" json:"routes,omitempty"`
+	Reload time.Duration        `yaml:",omitempty" json:"reload,omitempty"`
+	File   *FileLoader          `yaml:",omitempty" json:"file,omitempty"`
+	Redis  *RedisLoader         `yaml:",omitempty" json:"redis,omitempty"`
+	HTTP   *HTTPLoader          `yaml:"http,omitempty" json:"http,omitempty"`
+	Plugin *PluginConfig        `yaml:",omitempty" json:"plugin,omitempty"`
+}
+
 type RecorderConfig struct {
 	Name   string         `json:"name"`
 	File   *FileRecorder  `yaml:",omitempty" json:"file,omitempty"`
@@ -289,6 +309,7 @@ type LimiterConfig struct {
 	File   *FileLoader   `yaml:",omitempty" json:"file,omitempty"`
 	Redis  *RedisLoader  `yaml:",omitempty" json:"redis,omitempty"`
 	HTTP   *HTTPLoader   `yaml:"http,omitempty" json:"http,omitempty"`
+	Plugin *PluginConfig `yaml:",omitempty" json:"plugin,omitempty"`
 }
 
 type ListenerConfig struct {
@@ -311,7 +332,7 @@ type HandlerConfig struct {
 	Authers    []string          `yaml:",omitempty" json:"authers,omitempty"`
 	Auth       *AuthConfig       `yaml:",omitempty" json:"auth,omitempty"`
 	TLS        *TLSConfig        `yaml:",omitempty" json:"tls,omitempty"`
-	Ingress    string            `yaml:",omitempty" json:"ingress,omitempty"`
+	Limiter    string            `yaml:",omitempty" json:"limiter,omitempty"`
 	Metadata   map[string]any    `yaml:",omitempty" json:"metadata,omitempty"`
 }
 
@@ -380,6 +401,7 @@ type ServiceConfig struct {
 	Limiter    string            `yaml:",omitempty" json:"limiter,omitempty"`
 	CLimiter   string            `yaml:"climiter,omitempty" json:"climiter,omitempty"`
 	RLimiter   string            `yaml:"rlimiter,omitempty" json:"rlimiter,omitempty"`
+	Logger     string            `yaml:",omitempty" json:"logger,omitempty"`
 	Recorders  []*RecorderObject `yaml:",omitempty" json:"recorders,omitempty"`
 	Handler    *HandlerConfig    `yaml:",omitempty" json:"handler,omitempty"`
 	Listener   *ListenerConfig   `yaml:",omitempty" json:"listener,omitempty"`
@@ -446,11 +468,13 @@ type Config struct {
 	Resolvers  []*ResolverConfig  `yaml:",omitempty" json:"resolvers,omitempty"`
 	Hosts      []*HostsConfig     `yaml:",omitempty" json:"hosts,omitempty"`
 	Ingresses  []*IngressConfig   `yaml:",omitempty" json:"ingresses,omitempty"`
+	Routers    []*RouterConfig    `yaml:",omitempty" json:"routers,omitempty"`
 	SDs        []*SDConfig        `yaml:"sds,omitempty" json:"sds,omitempty"`
 	Recorders  []*RecorderConfig  `yaml:",omitempty" json:"recorders,omitempty"`
 	Limiters   []*LimiterConfig   `yaml:",omitempty" json:"limiters,omitempty"`
 	CLimiters  []*LimiterConfig   `yaml:"climiters,omitempty" json:"climiters,omitempty"`
 	RLimiters  []*LimiterConfig   `yaml:"rlimiters,omitempty" json:"rlimiters,omitempty"`
+	Loggers    []*LoggerConfig    `yaml:",omitempty" json:"loggers,omitempty"`
 	TLS        *TLSConfig         `yaml:",omitempty" json:"tls,omitempty"`
 	Log        *LogConfig         `yaml:",omitempty" json:"log,omitempty"`
 	Profiling  *ProfilingConfig   `yaml:",omitempty" json:"profiling,omitempty"`

config/parsing/ingress/parse.go

@@ -41,13 +41,13 @@ func ParseIngress(cfg *config.IngressConfig) ingress.Ingress {
 		}
 	}
 
-	var rules []xingress.Rule
+	var rules []*ingress.Rule
 	for _, rule := range cfg.Rules {
 		if rule.Hostname == "" || rule.Endpoint == "" {
 			continue
 		}
 
-		rules = append(rules, xingress.Rule{
+		rules = append(rules, &ingress.Rule{
 			Hostname: rule.Hostname,
 			Endpoint: rule.Endpoint,
 		})

config/parsing/limiter/parse.go

@@ -1,12 +1,16 @@
 package limiter
 
 import (
+	"crypto/tls"
+	"strings"
+
 	"github.com/go-gost/core/limiter/conn"
 	"github.com/go-gost/core/limiter/rate"
 	"github.com/go-gost/core/limiter/traffic"
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/x/config"
 	"github.com/go-gost/x/internal/loader"
+	"github.com/go-gost/x/internal/plugin"
 	xconn "github.com/go-gost/x/limiter/conn"
 	xrate "github.com/go-gost/x/limiter/rate"
 	xtraffic "github.com/go-gost/x/limiter/traffic"
@@ -17,6 +21,30 @@ func ParseTrafficLimiter(cfg *config.LimiterConfig) (lim traffic.TrafficLimiter)
 		return nil
 	}
 
+	if cfg.Plugin != nil {
+		var tlsCfg *tls.Config
+		if cfg.Plugin.TLS != nil {
+			tlsCfg = &tls.Config{
+				ServerName:         cfg.Plugin.TLS.ServerName,
+				InsecureSkipVerify: !cfg.Plugin.TLS.Secure,
+			}
+		}
+		switch strings.ToLower(cfg.Plugin.Type) {
+		case "http":
+			return xtraffic.NewHTTPPlugin(
+				cfg.Name, cfg.Plugin.Addr,
+				plugin.TLSConfigOption(tlsCfg),
+				plugin.TimeoutOption(cfg.Plugin.Timeout),
+			)
+		default:
+			return xtraffic.NewGRPCPlugin(
+				cfg.Name, cfg.Plugin.Addr,
+				plugin.TokenOption(cfg.Plugin.Token),
+				plugin.TLSConfigOption(tlsCfg),
+			)
+		}
+	}
+
 	var opts []xtraffic.Option
 
 	if cfg.File != nil && cfg.File.Path != "" {

config/parsing/logger/parse.go

@@ -0,0 +1,55 @@
+package logger
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+
+	"github.com/go-gost/core/logger"
+	"github.com/go-gost/x/config"
+	xlogger "github.com/go-gost/x/logger"
+	"gopkg.in/natefinch/lumberjack.v2"
+)
+
+func ParseLogger(cfg *config.LoggerConfig) logger.Logger {
+	if cfg == nil || cfg.Log == nil {
+		return nil
+	}
+	opts := []xlogger.Option{
+		xlogger.NameOption(cfg.Name),
+		xlogger.FormatOption(logger.LogFormat(cfg.Log.Format)),
+		xlogger.LevelOption(logger.LogLevel(cfg.Log.Level)),
+	}
+
+	var out io.Writer = os.Stderr
+	switch cfg.Log.Output {
+	case "none", "null":
+		return xlogger.Nop()
+	case "stdout":
+		out = os.Stdout
+	case "stderr", "":
+		out = os.Stderr
+	default:
+		if cfg.Log.Rotation != nil {
+			out = &lumberjack.Logger{
+				Filename:   cfg.Log.Output,
+				MaxSize:    cfg.Log.Rotation.MaxSize,
+				MaxAge:     cfg.Log.Rotation.MaxAge,
+				MaxBackups: cfg.Log.Rotation.MaxBackups,
+				LocalTime:  cfg.Log.Rotation.LocalTime,
+				Compress:   cfg.Log.Rotation.Compress,
+			}
+		} else {
+			os.MkdirAll(filepath.Dir(cfg.Log.Output), 0755)
+			f, err := os.OpenFile(cfg.Log.Output, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
+			if err != nil {
+				logger.Default().Warn(err)
+			} else {
+				out = f
+			}
+		}
+	}
+	opts = append(opts, xlogger.OutputOption(out))
+
+	return xlogger.NewLogger(opts...)
+}

config/parsing/router/parse.go

@@ -0,0 +1,104 @@
+package router
+
+import (
+	"crypto/tls"
+	"net"
+	"strings"
+
+	"github.com/go-gost/core/logger"
+	"github.com/go-gost/core/router"
+	"github.com/go-gost/x/config"
+	"github.com/go-gost/x/internal/loader"
+	"github.com/go-gost/x/internal/plugin"
+	xrouter "github.com/go-gost/x/router"
+)
+
+func ParseRouter(cfg *config.RouterConfig) router.Router {
+	if cfg == nil {
+		return nil
+	}
+
+	if cfg.Plugin != nil {
+		var tlsCfg *tls.Config
+		if cfg.Plugin.TLS != nil {
+			tlsCfg = &tls.Config{
+				ServerName:         cfg.Plugin.TLS.ServerName,
+				InsecureSkipVerify: !cfg.Plugin.TLS.Secure,
+			}
+		}
+		switch strings.ToLower(cfg.Plugin.Type) {
+		case "http":
+			return xrouter.NewHTTPPlugin(
+				cfg.Name, cfg.Plugin.Addr,
+				plugin.TLSConfigOption(tlsCfg),
+				plugin.TimeoutOption(cfg.Plugin.Timeout),
+			)
+		default:
+			return xrouter.NewGRPCPlugin(
+				cfg.Name, cfg.Plugin.Addr,
+				plugin.TokenOption(cfg.Plugin.Token),
+				plugin.TLSConfigOption(tlsCfg),
+			)
+		}
+	}
+
+	var routes []*router.Route
+	for _, route := range cfg.Routes {
+		_, ipNet, _ := net.ParseCIDR(route.Net)
+		if ipNet == nil {
+			continue
+		}
+		gw := net.ParseIP(route.Gateway)
+		if gw == nil {
+			continue
+		}
+
+		routes = append(routes, &router.Route{
+			Net:     ipNet,
+			Gateway: gw,
+		})
+	}
+	opts := []xrouter.Option{
+		xrouter.RoutesOption(routes),
+		xrouter.ReloadPeriodOption(cfg.Reload),
+		xrouter.LoggerOption(logger.Default().WithFields(map[string]any{
+			"kind":   "router",
+			"router": cfg.Name,
+		})),
+	}
+	if cfg.File != nil && cfg.File.Path != "" {
+		opts = append(opts, xrouter.FileLoaderOption(loader.FileLoader(cfg.File.Path)))
+	}
+	if cfg.Redis != nil && cfg.Redis.Addr != "" {
+		switch cfg.Redis.Type {
+		case "list": // rediss list
+			opts = append(opts, xrouter.RedisLoaderOption(loader.RedisListLoader(
+				cfg.Redis.Addr,
+				loader.DBRedisLoaderOption(cfg.Redis.DB),
+				loader.PasswordRedisLoaderOption(cfg.Redis.Password),
+				loader.KeyRedisLoaderOption(cfg.Redis.Key),
+			)))
+		case "set": // redis set
+			opts = append(opts, xrouter.RedisLoaderOption(loader.RedisSetLoader(
+				cfg.Redis.Addr,
+				loader.DBRedisLoaderOption(cfg.Redis.DB),
+				loader.PasswordRedisLoaderOption(cfg.Redis.Password),
+				loader.KeyRedisLoaderOption(cfg.Redis.Key),
+			)))
+		default: // redis hash
+			opts = append(opts, xrouter.RedisLoaderOption(loader.RedisHashLoader(
+				cfg.Redis.Addr,
+				loader.DBRedisLoaderOption(cfg.Redis.DB),
+				loader.PasswordRedisLoaderOption(cfg.Redis.Password),
+				loader.KeyRedisLoaderOption(cfg.Redis.Key),
+			)))
+		}
+	}
+	if cfg.HTTP != nil && cfg.HTTP.URL != "" {
+		opts = append(opts, xrouter.HTTPLoaderOption(loader.HTTPLoader(
+			cfg.HTTP.URL,
+			loader.TimeoutHTTPLoaderOption(cfg.HTTP.Timeout),
+		)))
+	}
+	return xrouter.NewRouter(opts...)
+}

config/parsing/service/parse.go

@@ -23,6 +23,7 @@ import (
 	bypass_parser "github.com/go-gost/x/config/parsing/bypass"
 	hop_parser "github.com/go-gost/x/config/parsing/hop"
 	selector_parser "github.com/go-gost/x/config/parsing/selector"
+	xnet "github.com/go-gost/x/internal/net"
 	tls_util "github.com/go-gost/x/internal/util/tls"
 	"github.com/go-gost/x/metadata"
 	"github.com/go-gost/x/registry"
@@ -40,7 +41,12 @@ func ParseService(cfg *config.ServiceConfig) (service.Service, error) {
 			Type: "auto",
 		}
 	}
-	serviceLogger := logger.Default().WithFields(map[string]any{
+
+	log := registry.LoggerRegistry().Get(cfg.Logger)
+	if log == nil {
+		log = logger.Default()
+	}
+	serviceLogger := log.WithFields(map[string]any{
 		"kind":     "service",
 		"service":  cfg.Name,
 		"listener": cfg.Listener.Type,
@@ -209,6 +215,7 @@ func ParseService(cfg *config.ServiceConfig) (service.Service, error) {
 			handler.BypassOption(bypass.BypassGroup(bypass_parser.List(cfg.Bypass, cfg.Bypasses...)...)),
 			handler.TLSConfigOption(tlsConfig),
 			handler.RateLimiterOption(registry.RateLimiterRegistry().Get(cfg.RLimiter)),
+			handler.TrafficLimiterOption(registry.TrafficLimiterRegistry().Get(cfg.Handler.Limiter)),
 			handler.LoggerOption(handlerLogger),
 			handler.ServiceOption(cfg.Name),
 		)
@@ -258,10 +265,18 @@ func parseForwarder(cfg *config.ForwarderConfig) (hop.Hop, error) {
 	}
 	for _, node := range cfg.Nodes {
 		if node != nil {
-			hc.Nodes = append(hc.Nodes,
+			addrs := xnet.AddrPortRange(node.Addr).Addrs()
-				&config.NodeConfig{
+			if len(addrs) == 0 {
-					Name:     node.Name,
+				addrs = append(addrs, node.Addr)
-					Addr:     node.Addr,
+			}
+			for i, addr := range addrs {
+				name := node.Name
+				if i > 0 {
+					name = fmt.Sprintf("%s-%d", node.Name, i)
+				}
+				hc.Nodes = append(hc.Nodes, &config.NodeConfig{
+					Name:     name,
+					Addr:     addr,
 					Host:     node.Host,
 					Network:  node.Network,
 					Protocol: node.Protocol,
@@ -271,8 +286,8 @@ func parseForwarder(cfg *config.ForwarderConfig) (hop.Hop, error) {
 					HTTP:     node.HTTP,
 					TLS:      node.TLS,
 					Auth:     node.Auth,
-				},
+				})
-			)
+			}
 		}
 	}
 	if len(hc.Nodes) > 0 {

connector/relay/bind.go

@@ -16,10 +16,6 @@ import (
 
 // Bind implements connector.Binder.
 func (c *relayConnector) Bind(ctx context.Context, conn net.Conn, network, address string, opts ...connector.BindOption) (net.Listener, error) {
-	if !c.md.tunnelID.IsZero() {
-		return c.bindTunnel(ctx, conn, network, address, c.options.Logger)
-	}
-
 	log := c.options.Logger.WithFields(map[string]any{
 		"network": network,
 		"address": address,
@@ -43,86 +39,6 @@ func (c *relayConnector) Bind(ctx context.Context, conn net.Conn, network, addre
 	}
 }
 
-func (c *relayConnector) bindTunnel(ctx context.Context, conn net.Conn, network, address string, log logger.Logger) (net.Listener, error) {
-	addr, cid, err := c.initTunnel(conn, network, address)
-	if err != nil {
-		return nil, err
-	}
-	log.Infof("create tunnel on %s/%s OK, tunnel=%s, connector=%s", addr, network, c.md.tunnelID.String(), cid)
-
-	session, err := mux.ServerSession(conn, c.md.muxCfg)
-	if err != nil {
-		return nil, err
-	}
-
-	return &bindListener{
-		network: network,
-		addr:    addr,
-		session: session,
-		logger:  log,
-	}, nil
-}
-
-func (c *relayConnector) initTunnel(conn net.Conn, network, address string) (addr net.Addr, cid relay.ConnectorID, err error) {
-	req := relay.Request{
-		Version: relay.Version1,
-		Cmd:     relay.CmdBind,
-	}
-
-	if network == "udp" {
-		req.Cmd |= relay.FUDP
-	}
-
-	if c.options.Auth != nil {
-		pwd, _ := c.options.Auth.Password()
-		req.Features = append(req.Features, &relay.UserAuthFeature{
-			Username: c.options.Auth.Username(),
-			Password: pwd,
-		})
-	}
-
-	af := &relay.AddrFeature{}
-	af.ParseFrom(address)
-
-	req.Features = append(req.Features, af,
-		&relay.TunnelFeature{
-			ID: c.md.tunnelID.ID(),
-		},
-	)
-	if _, err = req.WriteTo(conn); err != nil {
-		return
-	}
-
-	// first reply, bind status
-	resp := relay.Response{}
-	if _, err = resp.ReadFrom(conn); err != nil {
-		return
-	}
-
-	if resp.Status != relay.StatusOK {
-		err = fmt.Errorf("%d: create tunnel %s failed", resp.Status, c.md.tunnelID.String())
-		return
-	}
-
-	for _, f := range resp.Features {
-		switch f.Type() {
-		case relay.FeatureAddr:
-			if feature, _ := f.(*relay.AddrFeature); feature != nil {
-				addr = &bindAddr{
-					network: network,
-					addr:    net.JoinHostPort(feature.Host, strconv.Itoa(int(feature.Port))),
-				}
-			}
-		case relay.FeatureTunnel:
-			if feature, _ := f.(*relay.TunnelFeature); feature != nil {
-				cid = relay.NewConnectorID(feature.ID[:])
-			}
-		}
-	}
-
-	return
-}
-
 func (c *relayConnector) bindTCP(ctx context.Context, conn net.Conn, network, address string, log logger.Logger) (net.Listener, error) {
 	laddr, err := c.bind(conn, relay.CmdBind, network, address)
 	if err != nil {
@@ -177,6 +93,14 @@ func (c *relayConnector) bind(conn net.Conn, cmd relay.CmdType, network, address
 			Password: pwd,
 		})
 	}
+
+	nid := relay.NetworkTCP
+	if network == "udp" || network == "udp4" || network == "udp6" {
+		nid = relay.NetworkUDP
+	}
+	req.Features = append(req.Features, &relay.NetworkFeature{
+		Network: nid,
+	})
 	fa := &relay.AddrFeature{}
 	fa.ParseFrom(address)
 	req.Features = append(req.Features, fa)

connector/relay/conn.go

@@ -13,12 +13,14 @@ import (
 	"github.com/go-gost/core/common/bufpool"
 	mdata "github.com/go-gost/core/metadata"
 	"github.com/go-gost/relay"
+	xrelay "github.com/go-gost/x/internal/util/relay"
 )
 
 type tcpConn struct {
 	net.Conn
 	wbuf *bytes.Buffer
 	once sync.Once
+	mu   sync.Mutex
 }
 
 func (c *tcpConn) Read(b []byte) (n int, err error) {
@@ -36,6 +38,10 @@ func (c *tcpConn) Read(b []byte) (n int, err error) {
 
 func (c *tcpConn) Write(b []byte) (n int, err error) {
 	n = len(b) // force byte length consistent
+
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
 	if c.wbuf != nil && c.wbuf.Len() > 0 {
 		c.wbuf.Write(b) // append the data to the cached header
 		_, err = c.Conn.Write(c.wbuf.Bytes())
@@ -50,6 +56,7 @@ type udpConn struct {
 	net.Conn
 	wbuf *bytes.Buffer
 	once sync.Once
+	mu   sync.Mutex
 }
 
 func (c *udpConn) Read(b []byte) (n int, err error) {
@@ -88,6 +95,10 @@ func (c *udpConn) Write(b []byte) (n int, err error) {
 	}
 
 	n = len(b)
+
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
 	if c.wbuf != nil && c.wbuf.Len() > 0 {
 		var bb [2]byte
 		binary.BigEndian.PutUint16(bb[:], uint16(len(b)))
@@ -119,7 +130,7 @@ func readResponse(r io.Reader) (err error) {
 	}
 
 	if resp.Status != relay.StatusOK {
-		err = fmt.Errorf("status %d", resp.Status)
+		err = fmt.Errorf("%d %s", resp.Status, xrelay.StatusText(resp.Status))
 		return
 	}
 	return nil
@@ -213,16 +224,3 @@ func (c *bindUDPConn) RemoteAddr() net.Addr {
 func (c *bindUDPConn) Metadata() mdata.Metadata {
 	return c.md
 }
-
-type bindAddr struct {
-	network string
-	addr    string
-}
-
-func (p *bindAddr) Network() string {
-	return p.network
-}
-
-func (p *bindAddr) String() string {
-	return p.addr
-}

connector/relay/connector.go

@@ -101,12 +101,6 @@ func (c *relayConnector) Connect(ctx context.Context, conn net.Conn, network, ad
 		req.Features = append(req.Features, af)
 	}
 
-	if !c.md.tunnelID.IsZero() {
-		req.Features = append(req.Features, &relay.TunnelFeature{
-			ID: c.md.tunnelID.ID(),
-		})
-	}
-
 	if c.md.noDelay {
 		if _, err := req.WriteTo(conn); err != nil {
 			return nil, err

connector/relay/metadata.go

@@ -5,15 +5,12 @@ import (
 
 	mdata "github.com/go-gost/core/metadata"
 	mdutil "github.com/go-gost/core/metadata/util"
-	"github.com/go-gost/relay"
 	"github.com/go-gost/x/internal/util/mux"
-	"github.com/google/uuid"
 )
 
 type metadata struct {
 	connectTimeout time.Duration
 	noDelay        bool
-	tunnelID       relay.TunnelID
 	muxCfg         *mux.Config
 }
 
@@ -26,14 +23,6 @@ func (c *relayConnector) parseMetadata(md mdata.Metadata) (err error) {
 	c.md.connectTimeout = mdutil.GetDuration(md, connectTimeout)
 	c.md.noDelay = mdutil.GetBool(md, noDelay)
 
-	if s := mdutil.GetString(md, "tunnelID", "tunnel.id"); s != "" {
-		uuid, err := uuid.Parse(s)
-		if err != nil {
-			return err
-		}
-		c.md.tunnelID = relay.NewTunnelID(uuid[:])
-	}
-
 	c.md.muxCfg = &mux.Config{
 		Version:           mdutil.GetInt(md, "mux.version"),
 		KeepAliveInterval: mdutil.GetDuration(md, "mux.keepaliveInterval"),

connector/tunnel/conn.go

@@ -1,67 +1,24 @@
 package tunnel
 
 import (
-	"bytes"
 	"encoding/binary"
 	"errors"
 	"fmt"
 	"io"
 	"math"
 	"net"
-	"sync"
 
 	"github.com/go-gost/core/common/bufpool"
 	mdata "github.com/go-gost/core/metadata"
 	"github.com/go-gost/relay"
+	xrelay "github.com/go-gost/x/internal/util/relay"
 )
 
-type tcpConn struct {
-	net.Conn
-	wbuf *bytes.Buffer
-	once sync.Once
-}
-
-func (c *tcpConn) Read(b []byte) (n int, err error) {
-	c.once.Do(func() {
-		if c.wbuf != nil {
-			err = readResponse(c.Conn)
-		}
-	})
-
-	if err != nil {
-		return
-	}
-	return c.Conn.Read(b)
-}
-
-func (c *tcpConn) Write(b []byte) (n int, err error) {
-	n = len(b) // force byte length consistent
-	if c.wbuf != nil && c.wbuf.Len() > 0 {
-		c.wbuf.Write(b) // append the data to the cached header
-		_, err = c.Conn.Write(c.wbuf.Bytes())
-		c.wbuf.Reset()
-		return
-	}
-	_, err = c.Conn.Write(b)
-	return
-}
-
 type udpConn struct {
 	net.Conn
-	wbuf *bytes.Buffer
-	once sync.Once
 }
 
 func (c *udpConn) Read(b []byte) (n int, err error) {
-	c.once.Do(func() {
-		if c.wbuf != nil {
-			err = readResponse(c.Conn)
-		}
-	})
-	if err != nil {
-		return
-	}
-
 	var bb [2]byte
 	_, err = io.ReadFull(c.Conn, bb[:])
 	if err != nil {
@@ -88,14 +45,6 @@ func (c *udpConn) Write(b []byte) (n int, err error) {
 	}
 
 	n = len(b)
-	if c.wbuf != nil && c.wbuf.Len() > 0 {
-		var bb [2]byte
-		binary.BigEndian.PutUint16(bb[:], uint16(len(b)))
-		c.wbuf.Write(bb[:])
-		c.wbuf.Write(b) // append the data to the cached header
-		_, err = c.wbuf.WriteTo(c.Conn)
-		return
-	}
 
 	var bb [2]byte
 	binary.BigEndian.PutUint16(bb[:], uint16(len(b)))
@@ -119,7 +68,7 @@ func readResponse(r io.Reader) (err error) {
 	}
 
 	if resp.Status != relay.StatusOK {
-		err = fmt.Errorf("status %d", resp.Status)
+		err = fmt.Errorf("%d %s", resp.Status, xrelay.StatusText(resp.Status))
 		return
 	}
 	return nil

connector/tunnel/connector.go

@@ -1,7 +1,6 @@
 package tunnel
 
 import (
-	"bytes"
 	"context"
 	"fmt"
 	"net"
@@ -10,7 +9,7 @@ import (
 	"github.com/go-gost/core/connector"
 	md "github.com/go-gost/core/metadata"
 	"github.com/go-gost/relay"
-	auth_util "github.com/go-gost/x/internal/util/auth"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	"github.com/go-gost/x/registry"
 )
 
@@ -74,7 +73,7 @@ func (c *tunnelConnector) Connect(ctx context.Context, conn net.Conn, network, a
 	}
 
 	srcAddr := conn.LocalAddr().String()
-	if v := auth_util.ClientAddrFromContext(ctx); v != "" {
+	if v := ctxvalue.ClientAddrFromContext(ctx); v != "" {
 		srcAddr = string(v)
 	}
 
@@ -90,7 +89,6 @@ func (c *tunnelConnector) Connect(ctx context.Context, conn net.Conn, network, a
 		ID: c.md.tunnelID.ID(),
 	})
 
-	if c.md.noDelay {
 	if _, err := req.WriteTo(conn); err != nil {
 		return nil, err
 	}
@@ -98,31 +96,13 @@ func (c *tunnelConnector) Connect(ctx context.Context, conn net.Conn, network, a
 	if err := readResponse(conn); err != nil {
 		return nil, err
 	}
-	}
 
 	switch network {
 	case "tcp", "tcp4", "tcp6":
-		if !c.md.noDelay {
-			cc := &tcpConn{
-				Conn: conn,
-				wbuf: &bytes.Buffer{},
-			}
-			if _, err := req.WriteTo(cc.wbuf); err != nil {
-				return nil, err
-			}
-			conn = cc
-		}
 	case "udp", "udp4", "udp6":
-		cc := &udpConn{
+		conn = &udpConn{
 			Conn: conn,
 		}
-		if !c.md.noDelay {
-			cc.wbuf = &bytes.Buffer{}
-			if _, err := req.WriteTo(cc.wbuf); err != nil {
-				return nil, err
-			}
-		}
-		conn = cc
 	default:
 		err := fmt.Errorf("network %s is unsupported", network)
 		log.Error(err)

connector/tunnel/metadata.go

@@ -18,13 +18,11 @@ var (
 type metadata struct {
 	connectTimeout time.Duration
 	tunnelID       relay.TunnelID
-	noDelay        bool
 	muxCfg         *mux.Config
 }
 
 func (c *tunnelConnector) parseMetadata(md mdata.Metadata) (err error) {
 	c.md.connectTimeout = mdutil.GetDuration(md, "connectTimeout")
-	c.md.noDelay = mdutil.GetBool(md, "nodelay")
 
 	if s := mdutil.GetString(md, "tunnelID", "tunnel.id"); s != "" {
 		uuid, err := uuid.Parse(s)

dialer/kcp/metadata.go

@@ -21,14 +21,14 @@ func (d *kcpDialer) parseMetadata(md mdata.Metadata) (err error) {
 		handshakeTimeout = "handshakeTimeout"
 	)
 
-	if file := mdutil.GetString(md, configFile); file != "" {
+	if file := mdutil.GetString(md, "kcp.configFile", "configFile", "c"); file != "" {
 		d.md.config, err = kcp_util.ParseFromFile(file)
 		if err != nil {
 			return
 		}
 	}
 
-	if m := mdutil.GetStringMap(md, config); len(m) > 0 {
+	if m := mdutil.GetStringMap(md, "kcp.config", "config"); len(m) > 0 {
 		b, err := json.Marshal(m)
 		if err != nil {
 			return err
@@ -42,6 +42,14 @@ func (d *kcpDialer) parseMetadata(md mdata.Metadata) (err error) {
 	if d.md.config == nil {
 		d.md.config = kcp_util.DefaultConfig
 	}
+	d.md.config.TCP = mdutil.GetBool(md, "kcp.tcp", "tcp")
+	d.md.config.Key = mdutil.GetString(md, "kcp.key")
+	d.md.config.Crypt = mdutil.GetString(md, "kcp.crypt")
+	d.md.config.Mode = mdutil.GetString(md, "kcp.mode")
+	d.md.config.KeepAlive = mdutil.GetInt(md, "kcp.keepalive")
+	d.md.config.Interval = mdutil.GetInt(md, "kcp.interval")
+	d.md.config.MTU = mdutil.GetInt(md, "kcp.mtu")
+	d.md.config.SmuxVer = mdutil.GetInt(md, "kcp.smuxver")
 
 	d.md.handshakeTimeout = mdutil.GetDuration(md, handshakeTimeout)
 	return

dialer/mtls/dialer.go

@@ -2,8 +2,8 @@ package mtls
 
 import (
 	"context"
-	"crypto/tls"
 	"errors"
+	tls "github.com/refraction-networking/utls"
 	"net"
 	"sync"
 	"time"
@@ -123,7 +123,20 @@ func (d *mtlsDialer) Handshake(ctx context.Context, conn net.Conn, options ...di
 }
 
 func (d *mtlsDialer) initSession(ctx context.Context, conn net.Conn) (*muxSession, error) {
-	tlsConn := tls.Client(conn, d.options.TLSConfig)
+	tlsConfig := d.options.TLSConfig
+	var utlsConf = &tls.Config{InsecureSkipVerify: tlsConfig.InsecureSkipVerify, ServerName: tlsConfig.ServerName, ClientAuth: tls.ClientAuthType(tlsConfig.ClientAuth), ClientCAs: tlsConfig.ClientCAs, RootCAs: tlsConfig.RootCAs}
+	if len(tlsConfig.Certificates) > 0 {
+		for _, certificate := range tlsConfig.Certificates {
+			utlsConf.Certificates = append(utlsConf.Certificates, tls.Certificate{
+				Certificate:                 certificate.Certificate,
+				PrivateKey:                  certificate.PrivateKey,
+				OCSPStaple:                  certificate.OCSPStaple,
+				SignedCertificateTimestamps: certificate.SignedCertificateTimestamps,
+				Leaf:                        certificate.Leaf,
+			})
+		}
+	}
+	tlsConn := tls.UClient(conn, utlsConf, tls.HelloChrome_Auto)
 	if err := tlsConn.HandshakeContext(ctx); err != nil {
 		return nil, err
 	}

dialer/mws/dialer.go

@@ -3,6 +3,8 @@ package mws
 import (
 	"context"
 	"errors"
+	"github.com/go-gost/x/util"
+	tls "github.com/refraction-networking/utls"
 	"net"
 	"net/url"
 	"sync"
@@ -158,6 +160,33 @@ func (d *mwsDialer) initSession(ctx context.Context, host string, conn net.Conn,
 	if d.tlsEnabled {
 		url.Scheme = "wss"
 		dialer.TLSClientConfig = d.options.TLSConfig
+		tlsConfig := d.options.TLSConfig
+		dialer.NetDialTLSContext = func(ctx context.Context, network, addr string) (net.Conn, error) {
+			utlsConf := &tls.Config{InsecureSkipVerify: tlsConfig.InsecureSkipVerify, ServerName: tlsConfig.ServerName, ClientAuth: tls.ClientAuthType(tlsConfig.ClientAuth), ClientCAs: tlsConfig.ClientCAs, RootCAs: tlsConfig.RootCAs}
+			if len(tlsConfig.Certificates) > 0 {
+				for _, certificate := range tlsConfig.Certificates {
+					utlsConf.Certificates = append(utlsConf.Certificates, tls.Certificate{
+						Certificate:                 certificate.Certificate,
+						PrivateKey:                  certificate.PrivateKey,
+						OCSPStaple:                  certificate.OCSPStaple,
+						SignedCertificateTimestamps: certificate.SignedCertificateTimestamps,
+						Leaf:                        certificate.Leaf,
+					})
+				}
+			}
+			var client *tls.UConn
+			if d.md.useH2 {
+				client = tls.UClient(conn, utlsConf, tls.HelloChrome_Auto)
+			} else {
+				client = tls.UClient(conn, utlsConf, tls.HelloCustom)
+				client.ApplyPreset(util.NewWsSpec())
+			}
+			err := client.Handshake()
+			if err != nil {
+				return nil, err
+			}
+			return client, nil
+		}
 	}
 
 	if d.md.handshakeTimeout > 0 {

dialer/mws/metadata.go

@@ -27,6 +27,9 @@ type metadata struct {
 	header            http.Header
 	keepaliveInterval time.Duration
 	muxCfg            *mux.Config
+
+	//Evan Enhanced
+	useH2 bool
 }
 
 func (d *mwsDialer) parseMetadata(md mdata.Metadata) (err error) {
@@ -67,5 +70,6 @@ func (d *mwsDialer) parseMetadata(md mdata.Metadata) (err error) {
 		}
 	}
 
+	d.md.useH2 = mdutil.GetBool(md, "h2")
 	return
 }

dialer/tls/dialer.go

@@ -2,7 +2,7 @@ package tls
 
 import (
 	"context"
-	"crypto/tls"
+	tls "github.com/refraction-networking/utls"
 	"net"
 	"time"
 
@@ -57,8 +57,20 @@ func (d *tlsDialer) Handshake(ctx context.Context, conn net.Conn, options ...dia
 		conn.SetDeadline(time.Now().Add(d.md.handshakeTimeout))
 		defer conn.SetDeadline(time.Time{})
 	}
-
+	tlsConfig := d.options.TLSConfig
-	tlsConn := tls.Client(conn, d.options.TLSConfig)
+	utlsConf := &tls.Config{InsecureSkipVerify: tlsConfig.InsecureSkipVerify, ServerName: tlsConfig.ServerName, ClientAuth: tls.ClientAuthType(tlsConfig.ClientAuth), ClientCAs: tlsConfig.ClientCAs, RootCAs: tlsConfig.RootCAs}
+	if len(tlsConfig.Certificates) > 0 {
+		for _, certificate := range tlsConfig.Certificates {
+			utlsConf.Certificates = append(utlsConf.Certificates, tls.Certificate{
+				Certificate:                 certificate.Certificate,
+				PrivateKey:                  certificate.PrivateKey,
+				OCSPStaple:                  certificate.OCSPStaple,
+				SignedCertificateTimestamps: certificate.SignedCertificateTimestamps,
+				Leaf:                        certificate.Leaf,
+			})
+		}
+	}
+	tlsConn := tls.UClient(conn, utlsConf, tls.HelloChrome_Auto)
 	if err := tlsConn.HandshakeContext(ctx); err != nil {
 		conn.Close()
 		return nil, err

dialer/ws/dialer.go

@@ -2,6 +2,8 @@ package ws
 
 import (
 	"context"
+	"github.com/go-gost/x/util"
+	tls "github.com/refraction-networking/utls"
 	"net"
 	"net/url"
 	"time"
@@ -91,13 +93,43 @@ func (d *wsDialer) Handshake(ctx context.Context, conn net.Conn, options ...dial
 		},
 	}
 
-	url := url.URL{Scheme: "ws", Host: host, Path: d.md.path}
+	urlObj := url.URL{Scheme: "ws", Host: host, Path: d.md.path}
 	if d.tlsEnabled {
-		url.Scheme = "wss"
+		urlObj.Scheme = "wss"
 		dialer.TLSClientConfig = d.options.TLSConfig
+		tlsConfig := d.options.TLSConfig
+		dialer.NetDialTLSContext = func(ctx context.Context, network, addr string) (net.Conn, error) {
+			utlsConf := &tls.Config{InsecureSkipVerify: tlsConfig.InsecureSkipVerify, ServerName: tlsConfig.ServerName, ClientAuth: tls.ClientAuthType(tlsConfig.ClientAuth), ClientCAs: tlsConfig.ClientCAs, RootCAs: tlsConfig.RootCAs}
+			if len(tlsConfig.Certificates) > 0 {
+				for _, certificate := range tlsConfig.Certificates {
+					utlsConf.Certificates = append(utlsConf.Certificates, tls.Certificate{
+						Certificate:                 certificate.Certificate,
+						PrivateKey:                  certificate.PrivateKey,
+						OCSPStaple:                  certificate.OCSPStaple,
+						SignedCertificateTimestamps: certificate.SignedCertificateTimestamps,
+						Leaf:                        certificate.Leaf,
+					})
 				}
-
+			}
-	c, resp, err := dialer.DialContext(ctx, url.String(), d.md.header)
+			var client *tls.UConn
+			if d.md.useH2 {
+				client = tls.UClient(conn, utlsConf, tls.HelloChrome_Auto)
+			} else {
+				client = tls.UClient(conn, utlsConf, tls.HelloCustom)
+				client.ApplyPreset(util.NewWsSpec())
+			}
+			err := client.Handshake()
+			if err != nil {
+				return nil, err
+			}
+			return client, nil
+		}
+	}
+	urlStr, errUnescape := url.QueryUnescape(urlObj.String())
+	if errUnescape != nil {
+		d.options.Logger.Debugf("[ws] URL QueryUnescape Error URL.String() -> %s", urlObj.String())
+	}
+	c, resp, err := dialer.DialContext(ctx, urlStr, d.md.header)
 	if err != nil {
 		return nil, err
 	}

dialer/ws/metadata.go

@@ -25,6 +25,9 @@ type metadata struct {
 
 	header            http.Header
 	keepaliveInterval time.Duration
+
+	//Evan Enhance
+	useH2 bool
 }
 
 func (d *wsDialer) parseMetadata(md mdata.Metadata) (err error) {
@@ -56,5 +59,6 @@ func (d *wsDialer) parseMetadata(md mdata.Metadata) (err error) {
 		}
 	}
 
+	d.md.useH2 = mdutil.GetBool(md, "h2")
 	return
 }

go.mod

@@ -7,10 +7,10 @@ require (
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d
 	github.com/gin-contrib/cors v1.3.1
 	github.com/gin-gonic/gin v1.9.1
-	github.com/go-gost/core v0.0.0-20231109123312-8e4fc06cf1b7
+	github.com/go-gost/core v0.0.0-20231119081403-abc73f2ca2b7
 	github.com/go-gost/gosocks4 v0.0.1
 	github.com/go-gost/gosocks5 v0.4.0
-	github.com/go-gost/plugin v0.0.0-20231109123346-0ae4157b9d25
+	github.com/go-gost/plugin v0.0.0-20231119084331-d49a1cb23b3b
 	github.com/go-gost/relay v0.4.1-0.20230916134211-828f314ddfe7
 	github.com/go-gost/tls-dissector v0.0.2-0.20220408131628-aac992c27451
 	github.com/go-redis/redis/v8 v8.11.5
@@ -25,6 +25,7 @@ require (
 	github.com/prometheus/client_golang v1.17.0
 	github.com/quic-go/quic-go v0.39.0
 	github.com/quic-go/webtransport-go v0.6.0
+	github.com/refraction-networking/utls v1.5.4
 	github.com/rs/xid v1.3.0
 	github.com/shadowsocks/go-shadowsocks2 v0.1.5
 	github.com/shadowsocks/shadowsocks-go v0.0.0-20200409064450-3e585ff90601
@@ -43,6 +44,7 @@ require (
 	golang.zx2c4.com/wireguard v0.0.0-20220703234212-c31a7b1ab478
 	google.golang.org/grpc v1.59.0
 	google.golang.org/protobuf v1.31.0
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	gopkg.in/yaml.v3 v3.0.1
 )
 

go.sum

@@ -93,14 +93,14 @@ github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SU
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/go-gost/core v0.0.0-20231109123312-8e4fc06cf1b7 h1:sDsPtmP51qf8zN/RbZZj/3vNLCoH0sdvpIRwV6TfzvY=
+github.com/go-gost/core v0.0.0-20231119081403-abc73f2ca2b7 h1:fxVUlZANqPApygO7lT8bYySyajiCFA62bDiNorral1w=
-github.com/go-gost/core v0.0.0-20231109123312-8e4fc06cf1b7/go.mod h1:ndkgWVYRLwupVaFFWv8ML1Nr8tD3xhHK245PLpUDg4E=
+github.com/go-gost/core v0.0.0-20231119081403-abc73f2ca2b7/go.mod h1:ndkgWVYRLwupVaFFWv8ML1Nr8tD3xhHK245PLpUDg4E=
 github.com/go-gost/gosocks4 v0.0.1 h1:+k1sec8HlELuQV7rWftIkmy8UijzUt2I6t+iMPlGB2s=
 github.com/go-gost/gosocks4 v0.0.1/go.mod h1:3B6L47HbU/qugDg4JnoFPHgJXE43Inz8Bah1QaN9qCc=
 github.com/go-gost/gosocks5 v0.4.0 h1:EIrOEkpJez4gwHrMa33frA+hHXJyevjp47thpMQsJzI=
 github.com/go-gost/gosocks5 v0.4.0/go.mod h1:1G6I7HP7VFVxveGkoK8mnprnJqSqJjdcASKsdUn4Pp4=
-github.com/go-gost/plugin v0.0.0-20231109123346-0ae4157b9d25 h1:sOarC0xAJij4VtEhkJRng5okZW23KlXprxhb5XFZ+pw=
+github.com/go-gost/plugin v0.0.0-20231119084331-d49a1cb23b3b h1:ZmnYutflq+KOZK+Px5RDckorDSxTYlkT4aQbjTC8/C4=
-github.com/go-gost/plugin v0.0.0-20231109123346-0ae4157b9d25/go.mod h1:qXr2Zm9Ex2ATqnWuNUzVZqySPMnuIihvblYZt4MlZLw=
+github.com/go-gost/plugin v0.0.0-20231119084331-d49a1cb23b3b/go.mod h1:qXr2Zm9Ex2ATqnWuNUzVZqySPMnuIihvblYZt4MlZLw=
 github.com/go-gost/relay v0.4.1-0.20230916134211-828f314ddfe7 h1:qAG1OyjvdA5h221CfFSS3J359V3d2E7dJWyP29QoDSI=
 github.com/go-gost/relay v0.4.1-0.20230916134211-828f314ddfe7/go.mod h1:lcX+23LCQ3khIeASBo+tJ/WbwXFO32/N5YN6ucuYTG8=
 github.com/go-gost/tls-dissector v0.0.2-0.20220408131628-aac992c27451 h1:xj8gUZGYO3nb5+6Bjw9+tsFkA9sYynrOvDvvC4uDV2I=
@@ -292,6 +292,7 @@ github.com/quic-go/quic-go v0.39.0 h1:AgP40iThFMY0bj8jGxROhw3S0FMGa8ryqsmi9tBH3S
 github.com/quic-go/quic-go v0.39.0/go.mod h1:T09QsDQWjLiQ74ZmacDfqZmhY/NLnw5BC40MANNNZ1Q=
 github.com/quic-go/webtransport-go v0.6.0 h1:CvNsKqc4W2HljHJnoT+rMmbRJybShZ0YPFDD3NxaZLY=
 github.com/quic-go/webtransport-go v0.6.0/go.mod h1:9KjU4AEBqEQidGHNDkZrb8CAa1abRaosM2yGOyiikEc=
+github.com/refraction-networking/utls v1.5.4/go.mod h1:SPuDbBmgLGp8s+HLNc83FuavwZCFoMmExj+ltUHiHUw=
 github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 h1:f/FNXud6gA3MNr8meMVVGxhp+QBTqY91tM8HjEuMjGg=
 github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3/go.mod h1:HgjTstvQsPGkxUsCd2KWxErBblirPizecHcpD3ffK+s=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
@@ -723,6 +724,8 @@ gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8
 gopkg.in/go-playground/validator.v9 v9.29.1/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
 gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
 gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

handler/forward/local/handler.go

@@ -21,9 +21,9 @@ import (
 	"github.com/go-gost/core/logger"
 	md "github.com/go-gost/core/metadata"
 	"github.com/go-gost/x/config"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	xio "github.com/go-gost/x/internal/io"
 	xnet "github.com/go-gost/x/internal/net"
-	auth_util "github.com/go-gost/x/internal/util/auth"
 	"github.com/go-gost/x/internal/util/forward"
 	tls_util "github.com/go-gost/x/internal/util/tls"
 	"github.com/go-gost/x/registry"
@@ -119,8 +119,6 @@ func (h *forwardHandler) Handle(ctx context.Context, conn net.Conn, opts ...hand
 		host = net.JoinHostPort(host, "0")
 	}
 
-	ctx = auth_util.ContextWithClientAddr(ctx, auth_util.ClientAddr(conn.RemoteAddr().String()))
-
 	var target *chain.Node
 	if host != "" {
 		target = &chain.Node{
@@ -223,10 +221,9 @@ func (h *forwardHandler) handleHTTP(ctx context.Context, rw io.ReadWriter, remot
 					"src": addr.String(),
 				})
 				remoteAddr = addr
+				ctx = ctxvalue.ContextWithClientAddr(ctx, ctxvalue.ClientAddr(remoteAddr.String()))
 			}
 
-			ctx = auth_util.ContextWithClientAddr(ctx, auth_util.ClientAddr(remoteAddr.String()))
-
 			target := &chain.Node{
 				Addr: req.Host,
 			}
@@ -259,7 +256,7 @@ func (h *forwardHandler) handleHTTP(ctx context.Context, rw io.ReadWriter, remot
 					log.Warnf("node %s(%s) 401 unauthorized", target.Name, target.Addr)
 					return resp.Write(rw)
 				}
-				ctx = auth_util.ContextWithID(ctx, auth_util.ID(id))
+				ctx = ctxvalue.ContextWithClientID(ctx, ctxvalue.ClientID(id))
 			}
 			if httpSettings := target.Options().HTTP; httpSettings != nil {
 				if httpSettings.Host != "" {

handler/forward/remote/handler.go

@@ -22,10 +22,10 @@ import (
 	mdata "github.com/go-gost/core/metadata"
 	mdutil "github.com/go-gost/core/metadata/util"
 	"github.com/go-gost/x/config"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	xio "github.com/go-gost/x/internal/io"
 	xnet "github.com/go-gost/x/internal/net"
 	"github.com/go-gost/x/internal/net/proxyproto"
-	auth_util "github.com/go-gost/x/internal/util/auth"
 	"github.com/go-gost/x/internal/util/forward"
 	tls_util "github.com/go-gost/x/internal/util/tls"
 	"github.com/go-gost/x/registry"
@@ -117,8 +117,6 @@ func (h *forwardHandler) Handle(ctx context.Context, conn net.Conn, opts ...hand
 		return nil
 	}
 
-	ctx = auth_util.ContextWithClientAddr(ctx, auth_util.ClientAddr(conn.RemoteAddr().String()))
-
 	if md, ok := conn.(mdata.Metadatable); ok {
 		if v := mdutil.GetString(md.Metadata(), "host"); v != "" {
 			host = v
@@ -224,10 +222,9 @@ func (h *forwardHandler) handleHTTP(ctx context.Context, rw io.ReadWriter, remot
 					"src": addr.String(),
 				})
 				remoteAddr = addr
+				ctx = ctxvalue.ContextWithClientAddr(ctx, ctxvalue.ClientAddr(remoteAddr.String()))
 			}
 
-			ctx = auth_util.ContextWithClientAddr(ctx, auth_util.ClientAddr(remoteAddr.String()))
-
 			target := &chain.Node{
 				Addr: req.Host,
 			}
@@ -260,7 +257,7 @@ func (h *forwardHandler) handleHTTP(ctx context.Context, rw io.ReadWriter, remot
 					log.Warnf("node %s(%s) 401 unauthorized", target.Name, target.Addr)
 					return resp.Write(rw)
 				}
-				ctx = auth_util.ContextWithID(ctx, auth_util.ID(id))
+				ctx = ctxvalue.ContextWithClientID(ctx, ctxvalue.ClientID(id))
 			}
 			if httpSettings := target.Options().HTTP; httpSettings != nil {
 				if httpSettings.Host != "" {

handler/http/handler.go

@@ -19,11 +19,12 @@ import (
 	"github.com/asaskevich/govalidator"
 	"github.com/go-gost/core/chain"
 	"github.com/go-gost/core/handler"
+	"github.com/go-gost/core/limiter/traffic"
 	"github.com/go-gost/core/logger"
 	md "github.com/go-gost/core/metadata"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	netpkg "github.com/go-gost/x/internal/net"
-	auth_util "github.com/go-gost/x/internal/util/auth"
+	"github.com/go-gost/x/limiter/traffic/wrapper"
-	sx "github.com/go-gost/x/internal/util/selector"
 	"github.com/go-gost/x/registry"
 )
 
@@ -89,8 +90,6 @@ func (h *httpHandler) Handle(ctx context.Context, conn net.Conn, opts ...handler
 	}
 	defer req.Body.Close()
 
-	ctx = auth_util.ContextWithClientAddr(ctx, auth_util.ClientAddr(conn.RemoteAddr().String()))
-
 	return h.handleRequest(ctx, conn, req, log)
 }
 
@@ -148,11 +147,11 @@ func (h *httpHandler) handleRequest(ctx context.Context, conn net.Conn, req *htt
 		resp.Header = http.Header{}
 	}
 
-	id, ok := h.authenticate(ctx, conn, req, resp, log)
+	clientID, ok := h.authenticate(ctx, conn, req, resp, log)
 	if !ok {
 		return nil
 	}
-	ctx = auth_util.ContextWithID(ctx, auth_util.ID(id))
+	ctx = ctxvalue.ContextWithClientID(ctx, ctxvalue.ClientID(clientID))
 
 	if h.options.Bypass != nil && h.options.Bypass.Contains(ctx, network, addr) {
 		resp.StatusCode = http.StatusForbidden
@@ -186,7 +185,7 @@ func (h *httpHandler) handleRequest(ctx context.Context, conn net.Conn, req *htt
 
 	switch h.md.hash {
 	case "host":
-		ctx = sx.ContextWithHash(ctx, &sx.Hash{Source: addr})
+		ctx = ctxvalue.ContextWithHash(ctx, &ctxvalue.Hash{Source: addr})
 	}
 
 	cc, err := h.router.Dial(ctx, network, addr)
@@ -222,9 +221,16 @@ func (h *httpHandler) handleRequest(ctx context.Context, conn net.Conn, req *htt
 		}
 	}
 
+	rw := wrapper.WrapReadWriter(h.options.Limiter, conn, conn.RemoteAddr().String(),
+		traffic.NetworkOption(network),
+		traffic.AddrOption(addr),
+		traffic.ClientOption(clientID),
+		traffic.SrcOption(conn.RemoteAddr().String()),
+	)
+
 	start := time.Now()
 	log.Infof("%s <-> %s", conn.RemoteAddr(), addr)
-	netpkg.Transport(conn, cc)
+	netpkg.Transport(rw, cc)
 	log.WithFields(map[string]any{
 		"duration": time.Since(start),
 	}).Infof("%s >-< %s", conn.RemoteAddr(), addr)

handler/http/udp.go

@@ -71,7 +71,7 @@ func (h *httpHandler) handleUDP(ctx context.Context, conn net.Conn, log logger.L
 
 	t := time.Now()
 	log.Infof("%s <-> %s", conn.RemoteAddr(), pc.LocalAddr())
-	relay.Run()
+	relay.Run(ctx)
 	log.WithFields(map[string]any{
 		"duration": time.Since(t),
 	}).Infof("%s >-< %s", conn.RemoteAddr(), pc.LocalAddr())

handler/http2/handler.go

@@ -20,12 +20,13 @@ import (
 
 	"github.com/go-gost/core/chain"
 	"github.com/go-gost/core/handler"
+	"github.com/go-gost/core/limiter/traffic"
 	"github.com/go-gost/core/logger"
 	md "github.com/go-gost/core/metadata"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	xio "github.com/go-gost/x/internal/io"
 	netpkg "github.com/go-gost/x/internal/net"
-	auth_util "github.com/go-gost/x/internal/util/auth"
+	"github.com/go-gost/x/limiter/traffic/wrapper"
-	sx "github.com/go-gost/x/internal/util/selector"
 	"github.com/go-gost/x/registry"
 )
 
@@ -89,8 +90,6 @@ func (h *http2Handler) Handle(ctx context.Context, conn net.Conn, opts ...handle
 		return err
 	}
 
-	ctx = auth_util.ContextWithClientAddr(ctx, auth_util.ClientAddr(conn.RemoteAddr().String()))
-
 	md := v.Metadata()
 	return h.roundTrip(ctx,
 		md.Get("w").(http.ResponseWriter),
@@ -149,11 +148,11 @@ func (h *http2Handler) roundTrip(ctx context.Context, w http.ResponseWriter, req
 		Body:       io.NopCloser(bytes.NewReader([]byte{})),
 	}
 
-	id, ok := h.authenticate(ctx, w, req, resp, log)
+	clientID, ok := h.authenticate(ctx, w, req, resp, log)
 	if !ok {
 		return nil
 	}
-	ctx = auth_util.ContextWithID(ctx, auth_util.ID(id))
+	ctx = ctxvalue.ContextWithClientID(ctx, ctxvalue.ClientID(clientID))
 
 	if h.options.Bypass != nil && h.options.Bypass.Contains(ctx, "tcp", addr) {
 		w.WriteHeader(http.StatusForbidden)
@@ -167,7 +166,7 @@ func (h *http2Handler) roundTrip(ctx context.Context, w http.ResponseWriter, req
 
 	switch h.md.hash {
 	case "host":
-		ctx = sx.ContextWithHash(ctx, &sx.Hash{Source: addr})
+		ctx = ctxvalue.ContextWithHash(ctx, &ctxvalue.Hash{Source: addr})
 	}
 
 	cc, err := h.router.Dial(ctx, "tcp", addr)
@@ -205,9 +204,15 @@ func (h *http2Handler) roundTrip(ctx context.Context, w http.ResponseWriter, req
 			return nil
 		}
 
+		rw := wrapper.WrapReadWriter(h.options.Limiter, xio.NewReadWriter(req.Body, flushWriter{w}), req.RemoteAddr,
+			traffic.NetworkOption("tcp"),
+			traffic.AddrOption(addr),
+			traffic.ClientOption(clientID),
+			traffic.SrcOption(req.RemoteAddr),
+		)
 		start := time.Now()
 		log.Infof("%s <-> %s", req.RemoteAddr, addr)
-		netpkg.Transport(xio.NewReadWriter(req.Body, flushWriter{w}), cc)
+		netpkg.Transport(rw, cc)
 		log.WithFields(map[string]any{
 			"duration": time.Since(start),
 		}).Infof("%s >-< %s", req.RemoteAddr, addr)

handler/http3/handler.go

@@ -14,7 +14,7 @@ import (
 	"github.com/go-gost/core/hop"
 	"github.com/go-gost/core/logger"
 	md "github.com/go-gost/core/metadata"
-	sx "github.com/go-gost/x/internal/util/selector"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	"github.com/go-gost/x/registry"
 )
 
@@ -114,7 +114,7 @@ func (h *http3Handler) roundTrip(ctx context.Context, w http.ResponseWriter, req
 
 	switch h.md.hash {
 	case "host":
-		ctx = sx.ContextWithHash(ctx, &sx.Hash{Source: addr})
+		ctx = ctxvalue.ContextWithHash(ctx, &ctxvalue.Hash{Source: addr})
 	}
 
 	var target *chain.Node

handler/relay/bind.go

@@ -2,8 +2,6 @@ package relay
 
 import (
 	"context"
-	"crypto/md5"
-	"encoding/hex"
 	"fmt"
 	"net"
 	"time"
@@ -17,7 +15,6 @@ import (
 	relay_util "github.com/go-gost/x/internal/util/relay"
 	metrics "github.com/go-gost/x/metrics/wrapper"
 	xservice "github.com/go-gost/x/service"
-	"github.com/google/uuid"
 )
 
 func (h *relayHandler) handleBind(ctx context.Context, conn net.Conn, network, address string, log logger.Logger) error {
@@ -176,60 +173,9 @@ func (h *relayHandler) bindUDP(ctx context.Context, conn net.Conn, network, addr
 
 	t := time.Now()
 	log.Debugf("%s <-> %s", conn.RemoteAddr(), pc.LocalAddr())
-	r.Run()
+	r.Run(ctx)
 	log.WithFields(map[string]any{
 		"duration": time.Since(t),
 	}).Debugf("%s >-< %s", conn.RemoteAddr(), pc.LocalAddr())
 	return nil
 }
-
-func (h *relayHandler) handleBindTunnel(ctx context.Context, conn net.Conn, network, address string, tunnelID relay.TunnelID, log logger.Logger) (err error) {
-	resp := relay.Response{
-		Version: relay.Version1,
-		Status:  relay.StatusOK,
-	}
-
-	uuid, err := uuid.NewRandom()
-	if err != nil {
-		resp.Status = relay.StatusInternalServerError
-		resp.WriteTo(conn)
-		return
-	}
-	connectorID := relay.NewConnectorID(uuid[:])
-	if network == "udp" {
-		connectorID = relay.NewUDPConnectorID(uuid[:])
-	}
-
-	addr := address
-	if host, port, _ := net.SplitHostPort(addr); host == "" {
-		v := md5.Sum([]byte(tunnelID.String()))
-		host = hex.EncodeToString(v[:8])
-		addr = net.JoinHostPort(host, port)
-	}
-	af := &relay.AddrFeature{}
-	err = af.ParseFrom(addr)
-	if err != nil {
-		log.Warn(err)
-	}
-	resp.Features = append(resp.Features, af,
-		&relay.TunnelFeature{
-			ID: connectorID.ID(),
-		},
-	)
-	resp.WriteTo(conn)
-
-	// Upgrade connection to multiplex session.
-	session, err := mux.ClientSession(conn, h.md.muxCfg)
-	if err != nil {
-		return
-	}
-
-	h.pool.Add(tunnelID, NewConnector(connectorID, session))
-	if h.md.ingress != nil {
-		h.md.ingress.Set(ctx, addr, tunnelID.String())
-	}
-
-	log.Debugf("%s/%s: tunnel=%s, connector=%s established", address, network, tunnelID, connectorID)
-
-	return
-}

handler/relay/connect.go

@@ -6,14 +6,15 @@ import (
 	"fmt"
 	"io"
 	"net"
-	"strconv"
 	"time"
 
+	"github.com/go-gost/core/limiter/traffic"
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/relay"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	xnet "github.com/go-gost/x/internal/net"
-	sx "github.com/go-gost/x/internal/util/selector"
 	serial "github.com/go-gost/x/internal/util/serial"
+	"github.com/go-gost/x/limiter/traffic/wrapper"
 )
 
 func (h *relayHandler) handleConnect(ctx context.Context, conn net.Conn, network, address string, log logger.Logger) (err error) {
@@ -52,7 +53,7 @@ func (h *relayHandler) handleConnect(ctx context.Context, conn net.Conn, network
 
 	switch h.md.hash {
 	case "host":
-		ctx = sx.ContextWithHash(ctx, &sx.Hash{Source: address})
+		ctx = ctxvalue.ContextWithHash(ctx, &ctxvalue.Hash{Source: address})
 	}
 
 	var cc io.ReadWriteCloser
@@ -104,108 +105,19 @@ func (h *relayHandler) handleConnect(ctx context.Context, conn net.Conn, network
 		}
 	}
 
+	rw := wrapper.WrapReadWriter(h.options.Limiter, conn, conn.RemoteAddr().String(),
+		traffic.NetworkOption(network),
+		traffic.AddrOption(address),
+		traffic.ClientOption(string(ctxvalue.ClientIDFromContext(ctx))),
+		traffic.SrcOption(conn.RemoteAddr().String()),
+	)
+
 	t := time.Now()
 	log.Infof("%s <-> %s", conn.RemoteAddr(), address)
-	xnet.Transport(conn, cc)
+	xnet.Transport(rw, cc)
 	log.WithFields(map[string]any{
 		"duration": time.Since(t),
 	}).Infof("%s >-< %s", conn.RemoteAddr(), address)
 
 	return nil
 }
-
-func (h *relayHandler) handleConnectTunnel(ctx context.Context, conn net.Conn, network, address string, tunnelID relay.TunnelID, log logger.Logger) error {
-	log = log.WithFields(map[string]any{
-		"dst":    fmt.Sprintf("%s/%s", address, network),
-		"cmd":    "connect",
-		"tunnel": tunnelID.String(),
-	})
-
-	log.Debugf("%s >> %s/%s", conn.RemoteAddr(), address, network)
-
-	resp := relay.Response{
-		Version: relay.Version1,
-		Status:  relay.StatusOK,
-	}
-
-	host, sp, _ := net.SplitHostPort(address)
-
-	if h.options.Bypass != nil && h.options.Bypass.Contains(ctx, network, address) {
-		log.Debug("bypass: ", address)
-		resp.Status = relay.StatusForbidden
-		_, err := resp.WriteTo(conn)
-		return err
-	}
-
-	var tid relay.TunnelID
-	if ingress := h.md.ingress; ingress != nil {
-		tid = parseTunnelID(ingress.Get(ctx, host))
-	}
-
-	if !tid.Equal(tunnelID) && !h.md.directTunnel {
-		resp.Status = relay.StatusHostUnreachable
-		resp.WriteTo(conn)
-		err := fmt.Errorf("no route to host %s", host)
-		log.Error(err)
-		return err
-	}
-
-	cc, _, err := getTunnelConn(network, h.pool, tunnelID, 3, log)
-	if err != nil {
-		resp.Status = relay.StatusServiceUnavailable
-		resp.WriteTo(conn)
-		log.Error(err)
-		return err
-	}
-	defer cc.Close()
-
-	log.Debugf("%s >> %s", conn.RemoteAddr(), cc.RemoteAddr())
-
-	if h.md.noDelay {
-		if _, err := resp.WriteTo(conn); err != nil {
-			log.Error(err)
-			return err
-		}
-	} else {
-		rc := &tcpConn{
-			Conn: conn,
-		}
-		// cache the header
-		if _, err := resp.WriteTo(&rc.wbuf); err != nil {
-			return err
-		}
-		conn = rc
-	}
-
-	var features []relay.Feature
-	af := &relay.AddrFeature{} // source/visitor address
-	af.ParseFrom(conn.RemoteAddr().String())
-	features = append(features, af)
-
-	if host != "" {
-		port, _ := strconv.Atoi(sp)
-		// target host
-		af = &relay.AddrFeature{
-			AType: relay.AddrDomain,
-			Host:  host,
-			Port:  uint16(port),
-		}
-		features = append(features, af)
-	}
-
-	resp = relay.Response{
-		Version:  relay.Version1,
-		Status:   relay.StatusOK,
-		Features: features,
-	}
-	resp.WriteTo(cc)
-
-	t := time.Now()
-	log.Debugf("%s <-> %s", conn.RemoteAddr(), cc.RemoteAddr())
-	xnet.Transport(conn, cc)
-	log.WithFields(map[string]any{
-		"duration": time.Since(t),
-	}).Debugf("%s >-< %s", conn.RemoteAddr(), cc.RemoteAddr())
-
-	return nil
-}

handler/relay/entrypoint.go

@@ -1,25 +1,17 @@
 package relay
 
 import (
-	"bufio"
 	"context"
-	"fmt"
-	"io"
 	"net"
-	"net/http"
-	"net/http/httputil"
 	"time"
 
 	"github.com/go-gost/core/handler"
-	"github.com/go-gost/core/ingress"
 	"github.com/go-gost/core/listener"
-	"github.com/go-gost/core/logger"
 	md "github.com/go-gost/core/metadata"
 	"github.com/go-gost/relay"
 	admission "github.com/go-gost/x/admission/wrapper"
 	xnet "github.com/go-gost/x/internal/net"
 	"github.com/go-gost/x/internal/net/proxyproto"
-	"github.com/go-gost/x/internal/util/forward"
 	"github.com/go-gost/x/internal/util/mux"
 	climiter "github.com/go-gost/x/limiter/conn/wrapper"
 	limiter "github.com/go-gost/x/limiter/traffic/wrapper"
@@ -130,203 +122,3 @@ func (h *tcpHandler) Handle(ctx context.Context, conn net.Conn, opts ...handler.
 		Debugf("%s >-< %s", conn.RemoteAddr(), cc.RemoteAddr())
 	return nil
 }
-
-type tunnelHandler struct {
-	pool    *ConnectorPool
-	ingress ingress.Ingress
-	options handler.Options
-}
-
-func newTunnelHandler(pool *ConnectorPool, ingress ingress.Ingress, opts ...handler.Option) handler.Handler {
-	options := handler.Options{}
-	for _, opt := range opts {
-		opt(&options)
-	}
-
-	return &tunnelHandler{
-		pool:    pool,
-		ingress: ingress,
-		options: options,
-	}
-}
-
-func (h *tunnelHandler) Init(md md.Metadata) (err error) {
-	return
-}
-
-func (h *tunnelHandler) Handle(ctx context.Context, conn net.Conn, opts ...handler.HandleOption) error {
-	defer conn.Close()
-
-	start := time.Now()
-	log := h.options.Logger.WithFields(map[string]any{
-		"remote": conn.RemoteAddr().String(),
-		"local":  conn.LocalAddr().String(),
-	})
-
-	log.Infof("%s <> %s", conn.RemoteAddr(), conn.LocalAddr())
-	defer func() {
-		log.WithFields(map[string]any{
-			"duration": time.Since(start),
-		}).Infof("%s >< %s", conn.RemoteAddr(), conn.LocalAddr())
-	}()
-
-	var rw io.ReadWriter = conn
-	var host string
-	var protocol string
-	rw, host, protocol, _ = forward.Sniffing(ctx, conn)
-	h.options.Logger.Debugf("sniffing: host=%s, protocol=%s", host, protocol)
-
-	if protocol == forward.ProtoHTTP {
-		return h.handleHTTP(ctx, conn.RemoteAddr(), rw, log)
-	}
-
-	var tunnelID relay.TunnelID
-	if h.ingress != nil {
-		tunnelID = parseTunnelID(h.ingress.Get(ctx, host))
-	}
-	if tunnelID.IsZero() {
-		err := fmt.Errorf("no route to host %s", host)
-		log.Error(err)
-		return err
-	}
-	if tunnelID.IsPrivate() {
-		err := fmt.Errorf("access denied: tunnel %s is private for host %s", tunnelID, host)
-		log.Error(err)
-		return err
-	}
-	log = log.WithFields(map[string]any{
-		"tunnel": tunnelID.String(),
-	})
-
-	cc, _, err := getTunnelConn("tcp", h.pool, tunnelID, 3, log)
-	if err != nil {
-		log.Error(err)
-		return err
-	}
-	defer cc.Close()
-
-	log.Debugf("%s >> %s", conn.RemoteAddr(), cc.RemoteAddr())
-
-	var features []relay.Feature
-	af := &relay.AddrFeature{}
-	af.ParseFrom(conn.RemoteAddr().String()) // client address
-	features = append(features, af)
-
-	if host != "" {
-		// target host
-		af := &relay.AddrFeature{}
-		af.ParseFrom(host)
-		features = append(features, af)
-	}
-
-	resp := relay.Response{
-		Version:  relay.Version1,
-		Status:   relay.StatusOK,
-		Features: features,
-	}
-	resp.WriteTo(cc)
-
-	t := time.Now()
-	log.Debugf("%s <-> %s", conn.RemoteAddr(), cc.RemoteAddr())
-	xnet.Transport(rw, cc)
-	log.WithFields(map[string]any{
-		"duration": time.Since(t),
-	}).Debugf("%s >-< %s", conn.RemoteAddr(), cc.RemoteAddr())
-
-	return nil
-}
-
-func (h *tunnelHandler) handleHTTP(ctx context.Context, raddr net.Addr, rw io.ReadWriter, log logger.Logger) (err error) {
-	br := bufio.NewReader(rw)
-
-	for {
-		resp := &http.Response{
-			ProtoMajor: 1,
-			ProtoMinor: 1,
-			Header:     http.Header{},
-			StatusCode: http.StatusServiceUnavailable,
-		}
-
-		err = func() error {
-			req, err := http.ReadRequest(br)
-			if err != nil {
-				return err
-			}
-
-			var tunnelID relay.TunnelID
-			if h.ingress != nil {
-				tunnelID = parseTunnelID(h.ingress.Get(ctx, req.Host))
-			}
-			if tunnelID.IsZero() {
-				err := fmt.Errorf("no route to host %s", req.Host)
-				log.Error(err)
-				resp.StatusCode = http.StatusBadGateway
-				return resp.Write(rw)
-			}
-			if tunnelID.IsPrivate() {
-				err := fmt.Errorf("access denied: tunnel %s is private for host %s", tunnelID, req.Host)
-				log.Error(err)
-				resp.StatusCode = http.StatusBadGateway
-				return resp.Write(rw)
-			}
-
-			log = log.WithFields(map[string]any{
-				"host":   req.Host,
-				"tunnel": tunnelID.String(),
-			})
-
-			cc, cid, err := getTunnelConn("tcp", h.pool, tunnelID, 3, log)
-			if err != nil {
-				log.Error(err)
-				return resp.Write(rw)
-			}
-			defer cc.Close()
-
-			log.Debugf("new connection to tunnel %s(connector %s)", tunnelID, cid)
-
-			var features []relay.Feature
-			af := &relay.AddrFeature{}
-			af.ParseFrom(raddr.String())
-			features = append(features, af)
-
-			if host := req.Host; host != "" {
-				if h, _, _ := net.SplitHostPort(host); h == "" {
-					host = net.JoinHostPort(host, "80")
-				}
-				af := &relay.AddrFeature{}
-				af.ParseFrom(host)
-				features = append(features, af)
-			}
-
-			(&relay.Response{
-				Version:  relay.Version1,
-				Status:   relay.StatusOK,
-				Features: features,
-			}).WriteTo(cc)
-
-			if log.IsLevelEnabled(logger.TraceLevel) {
-				dump, _ := httputil.DumpRequest(req, false)
-				log.Trace(string(dump))
-			}
-			if err := req.Write(cc); err != nil {
-				log.Warnf("send request to tunnel %s: %v", tunnelID, err)
-				return resp.Write(rw)
-			}
-
-			res, err := http.ReadResponse(bufio.NewReader(cc), req)
-			if err != nil {
-				log.Warnf("read response from tunnel %s: %v", tunnelID, err)
-				return resp.Write(rw)
-			}
-			defer res.Body.Close()
-
-			return res.Write(rw)
-		}()
-		if err != nil {
-			// log.Error(err)
-			break
-		}
-	}
-
-	return
-}

handler/relay/forward.go

@@ -7,9 +7,12 @@ import (
 	"net"
 	"time"
 
+	"github.com/go-gost/core/limiter/traffic"
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/relay"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	netpkg "github.com/go-gost/x/internal/net"
+	"github.com/go-gost/x/limiter/traffic/wrapper"
 )
 
 func (h *relayHandler) handleForward(ctx context.Context, conn net.Conn, network string, log logger.Logger) error {
@@ -84,9 +87,16 @@ func (h *relayHandler) handleForward(ctx context.Context, conn net.Conn, network
 		conn = rc
 	}
 
+	rw := wrapper.WrapReadWriter(h.options.Limiter, conn, conn.RemoteAddr().String(),
+		traffic.NetworkOption(network),
+		traffic.AddrOption(target.Addr),
+		traffic.ClientOption(string(ctxvalue.ClientIDFromContext(ctx))),
+		traffic.SrcOption(conn.RemoteAddr().String()),
+	)
+
 	t := time.Now()
 	log.Debugf("%s <-> %s", conn.RemoteAddr(), target.Addr)
-	netpkg.Transport(conn, cc)
+	netpkg.Transport(rw, cc)
 	log.WithFields(map[string]any{
 		"duration": time.Since(t),
 	}).Debugf("%s >-< %s", conn.RemoteAddr(), target.Addr)

handler/relay/handler.go

@@ -3,7 +3,6 @@ package relay
 import (
 	"context"
 	"errors"
-	"fmt"
 	"net"
 	"strconv"
 	"time"
@@ -11,14 +10,11 @@ import (
 	"github.com/go-gost/core/chain"
 	"github.com/go-gost/core/handler"
 	"github.com/go-gost/core/hop"
-	"github.com/go-gost/core/listener"
 	md "github.com/go-gost/core/metadata"
 	"github.com/go-gost/core/service"
 	"github.com/go-gost/relay"
-	xnet "github.com/go-gost/x/internal/net"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
-	auth_util "github.com/go-gost/x/internal/util/auth"
 	"github.com/go-gost/x/registry"
-	xservice "github.com/go-gost/x/service"
 )
 
 var (
@@ -38,7 +34,6 @@ type relayHandler struct {
 	md      metadata
 	options handler.Options
 	ep      service.Service
-	pool    *ConnectorPool
 }
 
 func NewHandler(opts ...handler.Option) handler.Handler {
@@ -49,7 +44,6 @@ func NewHandler(opts ...handler.Option) handler.Handler {
 
 	return &relayHandler{
 		options: options,
-		pool:    NewConnectorPool(),
 	}
 }
 
@@ -63,68 +57,9 @@ func (h *relayHandler) Init(md md.Metadata) (err error) {
 		h.router = chain.NewRouter(chain.LoggerRouterOption(h.options.Logger))
 	}
 
-	if err = h.initEntryPoint(); err != nil {
-		return
-	}
 	return nil
 }
 
-func (h *relayHandler) initEntryPoint() (err error) {
-	if h.md.entryPoint == "" {
-		return
-	}
-
-	network := "tcp"
-	if xnet.IsIPv4(h.md.entryPoint) {
-		network = "tcp4"
-	}
-
-	ln, err := net.Listen(network, h.md.entryPoint)
-	if err != nil {
-		h.options.Logger.Error(err)
-		return
-	}
-
-	serviceName := fmt.Sprintf("%s-ep-%s", h.options.Service, ln.Addr())
-	log := h.options.Logger.WithFields(map[string]any{
-		"service":  serviceName,
-		"listener": "tcp",
-		"handler":  "ep-tunnel",
-		"kind":     "service",
-	})
-	epListener := newTCPListener(ln,
-		listener.AddrOption(h.md.entryPoint),
-		listener.ServiceOption(serviceName),
-		listener.ProxyProtocolOption(h.md.entryPointProxyProtocol),
-		listener.LoggerOption(log.WithFields(map[string]any{
-			"kind": "listener",
-		})),
-	)
-	if err = epListener.Init(nil); err != nil {
-		return
-	}
-	epHandler := newTunnelHandler(
-		h.pool,
-		h.md.ingress,
-		handler.ServiceOption(serviceName),
-		handler.LoggerOption(log.WithFields(map[string]any{
-			"kind": "handler",
-		})),
-	)
-	if err = epHandler.Init(nil); err != nil {
-		return
-	}
-
-	h.ep = xservice.NewService(
-		serviceName, epListener, epHandler,
-		xservice.LoggerOption(log),
-	)
-	go h.ep.Serve()
-	log.Infof("entrypoint: %s", h.ep.Addr())
-
-	return
-}
-
 // Forward implements handler.Forwarder.
 func (h *relayHandler) Forward(hop hop.Hop) {
 	h.hop = hop
@@ -148,8 +83,6 @@ func (h *relayHandler) Handle(ctx context.Context, conn net.Conn, opts ...handle
 		}).Infof("%s >< %s", conn.RemoteAddr(), conn.LocalAddr())
 	}()
 
-	ctx = auth_util.ContextWithClientAddr(ctx, auth_util.ClientAddr(conn.RemoteAddr().String()))
-
 	if !h.checkRateLimit(conn.RemoteAddr()) {
 		return ErrRateLimit
 	}
@@ -179,7 +112,6 @@ func (h *relayHandler) Handle(ctx context.Context, conn net.Conn, opts ...handle
 	var user, pass string
 	var address string
 	var networkID relay.NetworkID
-	var tunnelID relay.TunnelID
 	for _, f := range req.Features {
 		switch f.Type() {
 		case relay.FeatureUserAuth:
@@ -190,10 +122,6 @@ func (h *relayHandler) Handle(ctx context.Context, conn net.Conn, opts ...handle
 			if feature, _ := f.(*relay.AddrFeature); feature != nil {
 				address = net.JoinHostPort(feature.Host, strconv.Itoa(int(feature.Port)))
 			}
-		case relay.FeatureTunnel:
-			if feature, _ := f.(*relay.TunnelFeature); feature != nil {
-				tunnelID = relay.NewTunnelID(feature.ID[:])
-			}
 		case relay.FeatureNetwork:
 			if feature, _ := f.(*relay.NetworkFeature); feature != nil {
 				networkID = feature.Network
@@ -206,13 +134,13 @@ func (h *relayHandler) Handle(ctx context.Context, conn net.Conn, opts ...handle
 	}
 
 	if h.options.Auther != nil {
-		id, ok := h.options.Auther.Authenticate(ctx, user, pass)
+		clientID, ok := h.options.Auther.Authenticate(ctx, user, pass)
 		if !ok {
 			resp.Status = relay.StatusUnauthorized
 			resp.WriteTo(conn)
 			return ErrUnauthorized
 		}
-		ctx = auth_util.ContextWithID(ctx, auth_util.ID(id))
+		ctx = ctxvalue.ContextWithClientID(ctx, ctxvalue.ClientID(clientID))
 	}
 
 	network := networkID.String()
@@ -230,16 +158,10 @@ func (h *relayHandler) Handle(ctx context.Context, conn net.Conn, opts ...handle
 	case 0, relay.CmdConnect:
 		defer conn.Close()
 
-		if !tunnelID.IsZero() {
-			return h.handleConnectTunnel(ctx, conn, network, address, tunnelID, log)
-		}
 		return h.handleConnect(ctx, conn, network, address, log)
 	case relay.CmdBind:
-		if !tunnelID.IsZero() {
-			return h.handleBindTunnel(ctx, conn, network, address, tunnelID, log)
-		}
-
 		defer conn.Close()
+
 		return h.handleBind(ctx, conn, network, address, log)
 	default:
 		resp.Status = relay.StatusBadRequest

handler/relay/metadata.go

@@ -2,16 +2,11 @@ package relay
 
 import (
 	"math"
-	"strings"
 	"time"
 
-	"github.com/go-gost/core/ingress"
-	"github.com/go-gost/core/logger"
 	mdata "github.com/go-gost/core/metadata"
 	mdutil "github.com/go-gost/core/metadata/util"
-	xingress "github.com/go-gost/x/ingress"
 	"github.com/go-gost/x/internal/util/mux"
-	"github.com/go-gost/x/registry"
 )
 
 type metadata struct {
@@ -20,10 +15,6 @@ type metadata struct {
 	udpBufferSize int
 	noDelay       bool
 	hash          string
-	directTunnel            bool
-	entryPoint              string
-	entryPointProxyProtocol int
-	ingress                 ingress.Ingress
 	muxCfg        *mux.Config
 }
 
@@ -34,9 +25,6 @@ func (h *relayHandler) parseMetadata(md mdata.Metadata) (err error) {
 		udpBufferSize = "udpBufferSize"
 		noDelay       = "nodelay"
 		hash          = "hash"
-		entryPoint              = "entryPoint"
-		entryPointID            = "entryPoint.id"
-		entryPointProxyProtocol = "entryPoint.proxyProtocol"
 	)
 
 	h.md.readTimeout = mdutil.GetDuration(md, readTimeout)
@@ -51,33 +39,6 @@ func (h *relayHandler) parseMetadata(md mdata.Metadata) (err error) {
 
 	h.md.hash = mdutil.GetString(md, hash)
 
-	h.md.directTunnel = mdutil.GetBool(md, "tunnel.direct")
-	h.md.entryPoint = mdutil.GetString(md, entryPoint)
-	h.md.entryPointProxyProtocol = mdutil.GetInt(md, entryPointProxyProtocol)
-
-	h.md.ingress = registry.IngressRegistry().Get(mdutil.GetString(md, "ingress"))
-	if h.md.ingress == nil {
-		var rules []xingress.Rule
-		for _, s := range strings.Split(mdutil.GetString(md, "tunnel"), ",") {
-			ss := strings.SplitN(s, ":", 2)
-			if len(ss) != 2 {
-				continue
-			}
-			rules = append(rules, xingress.Rule{
-				Hostname: ss[0],
-				Endpoint: ss[1],
-			})
-		}
-		if len(rules) > 0 {
-			h.md.ingress = xingress.NewIngress(
-				xingress.RulesOption(rules),
-				xingress.LoggerOption(logger.Default().WithFields(map[string]any{
-					"kind": "ingress",
-				})),
-			)
-		}
-	}
-
 	h.md.muxCfg = &mux.Config{
 		Version:           mdutil.GetInt(md, "mux.version"),
 		KeepAliveInterval: mdutil.GetDuration(md, "mux.keepaliveInterval"),

handler/relay/tunnel.go

@@ -1,200 +0,0 @@
-package relay
-
-import (
-	"fmt"
-	"net"
-	"sync"
-	"sync/atomic"
-	"time"
-
-	"github.com/go-gost/core/logger"
-	"github.com/go-gost/relay"
-	"github.com/go-gost/x/internal/util/mux"
-	"github.com/google/uuid"
-)
-
-type Connector struct {
-	id relay.ConnectorID
-	t  time.Time
-	s  *mux.Session
-}
-
-func NewConnector(id relay.ConnectorID, s *mux.Session) *Connector {
-	c := &Connector{
-		id: id,
-		t:  time.Now(),
-		s:  s,
-	}
-	go c.accept()
-	return c
-}
-
-func (c *Connector) accept() {
-	for {
-		conn, err := c.s.Accept()
-		if err != nil {
-			logger.Default().Errorf("connector %s: %v", c.id, err)
-			c.s.Close()
-			return
-		}
-		conn.Close()
-	}
-}
-
-func (c *Connector) ID() relay.ConnectorID {
-	return c.id
-}
-
-func (c *Connector) Session() *mux.Session {
-	return c.s
-}
-
-type Tunnel struct {
-	id         relay.TunnelID
-	connectors []*Connector
-	t          time.Time
-	n          uint64
-	mu         sync.RWMutex
-}
-
-func NewTunnel(id relay.TunnelID) *Tunnel {
-	t := &Tunnel{
-		id: id,
-		t:  time.Now(),
-	}
-	go t.clean()
-	return t
-}
-
-func (t *Tunnel) ID() relay.TunnelID {
-	return t.id
-}
-
-func (t *Tunnel) AddConnector(c *Connector) {
-	if c == nil {
-		return
-	}
-
-	t.mu.Lock()
-	defer t.mu.Unlock()
-
-	t.connectors = append(t.connectors, c)
-}
-
-func (t *Tunnel) GetConnector(network string) *Connector {
-	t.mu.RLock()
-	defer t.mu.RUnlock()
-
-	var connectors []*Connector
-	for _, c := range t.connectors {
-		if network == "udp" && c.id.IsUDP() ||
-			network != "udp" && !c.id.IsUDP() {
-			connectors = append(connectors, c)
-		}
-	}
-	if len(connectors) == 0 {
-		return nil
-	}
-	n := atomic.AddUint64(&t.n, 1) - 1
-	return connectors[n%uint64(len(connectors))]
-}
-
-func (t *Tunnel) clean() {
-	ticker := time.NewTicker(30 * time.Second)
-	for range ticker.C {
-		t.mu.Lock()
-		var connectors []*Connector
-		for _, c := range t.connectors {
-			if c.Session().IsClosed() {
-				logger.Default().Debugf("remove tunnel %s connector %s", t.id, c.id)
-				continue
-			}
-			connectors = append(connectors, c)
-		}
-		if len(connectors) != len(t.connectors) {
-			t.connectors = connectors
-		}
-		t.mu.Unlock()
-	}
-}
-
-type ConnectorPool struct {
-	tunnels map[string]*Tunnel
-	mu      sync.RWMutex
-}
-
-func NewConnectorPool() *ConnectorPool {
-	return &ConnectorPool{
-		tunnels: make(map[string]*Tunnel),
-	}
-}
-
-func (p *ConnectorPool) Add(tid relay.TunnelID, c *Connector) {
-	p.mu.Lock()
-	defer p.mu.Unlock()
-
-	s := tid.String()
-
-	t := p.tunnels[s]
-	if t == nil {
-		t = NewTunnel(tid)
-		p.tunnels[s] = t
-	}
-	t.AddConnector(c)
-}
-
-func (p *ConnectorPool) Get(network string, tid relay.TunnelID) *Connector {
-	if p == nil {
-		return nil
-	}
-
-	p.mu.RLock()
-	defer p.mu.RUnlock()
-
-	t := p.tunnels[tid.String()]
-	if t == nil {
-		return nil
-	}
-
-	return t.GetConnector(network)
-}
-
-func parseTunnelID(s string) (tid relay.TunnelID) {
-	if s == "" {
-		return
-	}
-	private := false
-	if s[0] == '$' {
-		private = true
-		s = s[1:]
-	}
-	uuid, _ := uuid.Parse(s)
-
-	if private {
-		return relay.NewPrivateTunnelID(uuid[:])
-	}
-	return relay.NewTunnelID(uuid[:])
-}
-
-func getTunnelConn(network string, pool *ConnectorPool, tid relay.TunnelID, retry int, log logger.Logger) (conn net.Conn, cid relay.ConnectorID, err error) {
-	if retry <= 0 {
-		retry = 1
-	}
-	for i := 0; i < retry; i++ {
-		c := pool.Get(network, tid)
-		if c == nil {
-			err = fmt.Errorf("tunnel %s not available", tid.String())
-			break
-		}
-
-		conn, err = c.Session().GetConn()
-		if err != nil {
-			log.Error(err)
-			continue
-		}
-		cid = c.id
-		break
-	}
-
-	return
-}

handler/sni/handler.go

@@ -21,9 +21,9 @@ import (
 	"github.com/go-gost/core/logger"
 	md "github.com/go-gost/core/metadata"
 	dissector "github.com/go-gost/tls-dissector"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	xio "github.com/go-gost/x/internal/io"
 	netpkg "github.com/go-gost/x/internal/net"
-	sx "github.com/go-gost/x/internal/util/selector"
 	"github.com/go-gost/x/registry"
 )
 
@@ -123,7 +123,7 @@ func (h *sniHandler) handleHTTP(ctx context.Context, rw io.ReadWriter, raddr net
 
 	switch h.md.hash {
 	case "host":
-		ctx = sx.ContextWithHash(ctx, &sx.Hash{Source: host})
+		ctx = ctxvalue.ContextWithHash(ctx, &ctxvalue.Hash{Source: host})
 	}
 
 	cc, err := h.router.Dial(ctx, "tcp", host)
@@ -191,7 +191,7 @@ func (h *sniHandler) handleHTTPS(ctx context.Context, rw io.ReadWriter, raddr ne
 
 	switch h.md.hash {
 	case "host":
-		ctx = sx.ContextWithHash(ctx, &sx.Hash{Source: host})
+		ctx = ctxvalue.ContextWithHash(ctx, &ctxvalue.Hash{Source: host})
 	}
 
 	cc, err := h.router.Dial(ctx, "tcp", host)

handler/socks/v4/handler.go

@@ -8,12 +8,13 @@ import (
 
 	"github.com/go-gost/core/chain"
 	"github.com/go-gost/core/handler"
+	"github.com/go-gost/core/limiter/traffic"
 	"github.com/go-gost/core/logger"
 	md "github.com/go-gost/core/metadata"
 	"github.com/go-gost/gosocks4"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	netpkg "github.com/go-gost/x/internal/net"
-	auth_util "github.com/go-gost/x/internal/util/auth"
+	"github.com/go-gost/x/limiter/traffic/wrapper"
-	sx "github.com/go-gost/x/internal/util/selector"
 	"github.com/go-gost/x/registry"
 )
 
@@ -82,8 +83,6 @@ func (h *socks4Handler) Handle(ctx context.Context, conn net.Conn, opts ...handl
 		conn.SetReadDeadline(time.Now().Add(h.md.readTimeout))
 	}
 
-	ctx = auth_util.ContextWithClientAddr(ctx, auth_util.ClientAddr(conn.RemoteAddr().String()))
-
 	req, err := gosocks4.ReadRequest(conn)
 	if err != nil {
 		log.Error(err)
@@ -100,7 +99,7 @@ func (h *socks4Handler) Handle(ctx context.Context, conn net.Conn, opts ...handl
 			log.Trace(resp)
 			return resp.Write(conn)
 		}
-		ctx = auth_util.ContextWithID(ctx, auth_util.ID(id))
+		ctx = ctxvalue.ContextWithClientID(ctx, ctxvalue.ClientID(id))
 	}
 
 	switch req.Cmd {
@@ -132,7 +131,7 @@ func (h *socks4Handler) handleConnect(ctx context.Context, conn net.Conn, req *g
 
 	switch h.md.hash {
 	case "host":
-		ctx = sx.ContextWithHash(ctx, &sx.Hash{Source: addr})
+		ctx = ctxvalue.ContextWithHash(ctx, &ctxvalue.Hash{Source: addr})
 	}
 
 	cc, err := h.router.Dial(ctx, "tcp", addr)
@@ -152,9 +151,16 @@ func (h *socks4Handler) handleConnect(ctx context.Context, conn net.Conn, req *g
 		return err
 	}
 
+	rw := wrapper.WrapReadWriter(h.options.Limiter, conn, conn.RemoteAddr().String(),
+		traffic.NetworkOption("tcp"),
+		traffic.AddrOption(addr),
+		traffic.ClientOption(string(ctxvalue.ClientIDFromContext(ctx))),
+		traffic.SrcOption(conn.RemoteAddr().String()),
+	)
+
 	t := time.Now()
 	log.Infof("%s <-> %s", conn.RemoteAddr(), addr)
-	netpkg.Transport(conn, cc)
+	netpkg.Transport(rw, cc)
 	log.WithFields(map[string]any{
 		"duration": time.Since(t),
 	}).Infof("%s >-< %s", conn.RemoteAddr(), addr)

handler/socks/v5/connect.go

@@ -6,10 +6,12 @@ import (
 	"net"
 	"time"
 
+	"github.com/go-gost/core/limiter/traffic"
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/gosocks5"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	netpkg "github.com/go-gost/x/internal/net"
-	sx "github.com/go-gost/x/internal/util/selector"
+	"github.com/go-gost/x/limiter/traffic/wrapper"
 )
 
 func (h *socks5Handler) handleConnect(ctx context.Context, conn net.Conn, network, address string, log logger.Logger) error {
@@ -28,7 +30,7 @@ func (h *socks5Handler) handleConnect(ctx context.Context, conn net.Conn, networ
 
 	switch h.md.hash {
 	case "host":
-		ctx = sx.ContextWithHash(ctx, &sx.Hash{Source: address})
+		ctx = ctxvalue.ContextWithHash(ctx, &ctxvalue.Hash{Source: address})
 	}
 
 	cc, err := h.router.Dial(ctx, network, address)
@@ -48,9 +50,16 @@ func (h *socks5Handler) handleConnect(ctx context.Context, conn net.Conn, networ
 		return err
 	}
 
+	rw := wrapper.WrapReadWriter(h.options.Limiter, conn, conn.RemoteAddr().String(),
+		traffic.NetworkOption(network),
+		traffic.AddrOption(address),
+		traffic.ClientOption(string(ctxvalue.ClientIDFromContext(ctx))),
+		traffic.SrcOption(conn.RemoteAddr().String()),
+	)
+
 	t := time.Now()
 	log.Infof("%s <-> %s", conn.RemoteAddr(), address)
-	netpkg.Transport(conn, cc)
+	netpkg.Transport(rw, cc)
 	log.WithFields(map[string]any{
 		"duration": time.Since(t),
 	}).Infof("%s >-< %s", conn.RemoteAddr(), address)

handler/socks/v5/handler.go

@@ -10,7 +10,7 @@ import (
 	"github.com/go-gost/core/handler"
 	md "github.com/go-gost/core/metadata"
 	"github.com/go-gost/gosocks5"
-	auth_util "github.com/go-gost/x/internal/util/auth"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	"github.com/go-gost/x/internal/util/socks"
 	"github.com/go-gost/x/registry"
 )
@@ -95,7 +95,9 @@ func (h *socks5Handler) Handle(ctx context.Context, conn net.Conn, opts ...handl
 	}
 	log.Trace(req)
 
-	ctx = auth_util.ContextWithID(ctx, auth_util.ID(sc.ID()))
+	if clientID := sc.ID(); clientID != "" {
+		ctx = ctxvalue.ContextWithClientID(ctx, ctxvalue.ClientID(clientID))
+	}
 
 	conn = sc
 	conn.SetReadDeadline(time.Time{})

handler/socks/v5/selector.go

@@ -8,7 +8,7 @@ import (
 	"github.com/go-gost/core/auth"
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/gosocks5"
-	auth_util "github.com/go-gost/x/internal/util/auth"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	"github.com/go-gost/x/internal/util/socks"
 )
 
@@ -70,7 +70,7 @@ func (s *serverSelector) OnSelected(method uint8, conn net.Conn) (string, net.Co
 		var id string
 		if s.Authenticator != nil {
 			var ok bool
-			ctx := auth_util.ContextWithClientAddr(context.Background(), auth_util.ClientAddr(conn.RemoteAddr().String()))
+			ctx := ctxvalue.ContextWithClientAddr(context.Background(), ctxvalue.ClientAddr(conn.RemoteAddr().String()))
 			id, ok = s.Authenticator.Authenticate(ctx, req.Username, req.Password)
 			if !ok {
 				resp := gosocks5.NewUserPassResponse(gosocks5.UserPassVer, gosocks5.Failure)

handler/socks/v5/udp.go

@@ -72,7 +72,7 @@ func (h *socks5Handler) handleUDP(ctx context.Context, conn net.Conn, log logger
 		WithLogger(log)
 	r.SetBufferSize(h.md.udpBufferSize)
 
-	go r.Run()
+	go r.Run(ctx)
 
 	t := time.Now()
 	log.Debugf("%s <-> %s", conn.RemoteAddr(), cc.LocalAddr())

handler/socks/v5/udp_tun.go

@@ -63,7 +63,7 @@ func (h *socks5Handler) handleUDPTun(ctx context.Context, conn net.Conn, network
 
 	t := time.Now()
 	log.Debugf("%s <-> %s", conn.RemoteAddr(), pc.LocalAddr())
-	r.Run()
+	r.Run(ctx)
 	log.WithFields(map[string]any{
 		"duration": time.Since(t),
 	}).Debugf("%s >-< %s", conn.RemoteAddr(), pc.LocalAddr())

handler/ss/handler.go

@@ -10,8 +10,8 @@ import (
 	"github.com/go-gost/core/handler"
 	md "github.com/go-gost/core/metadata"
 	"github.com/go-gost/gosocks5"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	netpkg "github.com/go-gost/x/internal/net"
-	sx "github.com/go-gost/x/internal/util/selector"
 	"github.com/go-gost/x/internal/util/ss"
 	"github.com/go-gost/x/registry"
 	"github.com/shadowsocks/go-shadowsocks2/core"
@@ -108,7 +108,7 @@ func (h *ssHandler) Handle(ctx context.Context, conn net.Conn, opts ...handler.H
 
 	switch h.md.hash {
 	case "host":
-		ctx = sx.ContextWithHash(ctx, &sx.Hash{Source: addr.String()})
+		ctx = ctxvalue.ContextWithHash(ctx, &ctxvalue.Hash{Source: addr.String()})
 	}
 
 	cc, err := h.router.Dial(ctx, "tcp", addr.String())

handler/tun/client.go

@@ -44,7 +44,7 @@ func (h *tunHandler) handleClient(ctx context.Context, conn net.Conn, raddr stri
 			ctx, cancel := context.WithCancel(ctx)
 			defer cancel()
 
-			go h.keepAlive(ctx, cc, ips)
+			go h.keepalive(ctx, cc, ips)
 
 			return h.transportClient(conn, cc, log)
 		}()
@@ -57,7 +57,7 @@ func (h *tunHandler) handleClient(ctx context.Context, conn net.Conn, raddr stri
 	}
 }
 
-func (h *tunHandler) keepAlive(ctx context.Context, conn net.Conn, ips []net.IP) {
+func (h *tunHandler) keepalive(ctx context.Context, conn net.Conn, ips []net.IP) {
 	// handshake
 	keepAliveData := bufpool.Get(keepAliveHeaderLength + len(ips)*net.IPv6len)
 	defer bufpool.Put(keepAliveData)
@@ -130,7 +130,7 @@ func (h *tunHandler) transportClient(tun io.ReadWriter, conn net.Conn, log logge
 						ipProtocol(waterutil.IPProtocol(header.NextHeader)),
 						header.PayloadLen, header.TrafficClass)
 				} else {
-					log.Warn("unknown packet, discarded")
+					log.Warnf("unknown packet, discarded(%d)", n)
 					return nil
 				}
 

handler/tun/handler.go

@@ -9,9 +9,10 @@ import (
 	"time"
 
 	"github.com/go-gost/core/chain"
-	"github.com/go-gost/core/hop"
 	"github.com/go-gost/core/handler"
+	"github.com/go-gost/core/hop"
 	md "github.com/go-gost/core/metadata"
+	"github.com/go-gost/core/router"
 	tun_util "github.com/go-gost/x/internal/util/tun"
 	"github.com/go-gost/x/registry"
 	"github.com/songgao/water/waterutil"
@@ -108,17 +109,20 @@ func (h *tunHandler) Handle(ctx context.Context, conn net.Conn, opts ...handler.
 	return h.handleServer(ctx, conn, config, log)
 }
 
-func (h *tunHandler) findRouteFor(dst net.IP, routes ...tun_util.Route) net.Addr {
+func (h *tunHandler) findRouteFor(ctx context.Context, dst net.IP, router router.Router) net.Addr {
 	if v, ok := h.routes.Load(ipToTunRouteKey(dst)); ok {
 		return v.(net.Addr)
 	}
-	for _, route := range routes {
+
-		if route.Net.Contains(dst) && route.Gateway != nil {
+	if router == nil {
+		return nil
+	}
+
+	if route := router.GetRoute(ctx, dst); route != nil && route.Gateway != nil {
 		if v, ok := h.routes.Load(ipToTunRouteKey(route.Gateway)); ok {
 			return v.(net.Addr)
 		}
 	}
-	}
 	return nil
 }
 

handler/tun/server.go

@@ -78,11 +78,11 @@ func (h *tunHandler) transportServer(ctx context.Context, tun io.ReadWriter, con
 						ipProtocol(waterutil.IPProtocol(header.NextHeader)),
 						header.PayloadLen, header.TrafficClass)
 				} else {
-					log.Warn("unknown packet, discarded")
+					log.Warnf("unknown packet, discarded(%d)", n)
 					return nil
 				}
 
-				addr := h.findRouteFor(dst, config.Routes...)
+				addr := h.findRouteFor(ctx, dst, config.Router)
 				if addr == nil {
 					log.Debugf("no route for %s -> %s, packet discarded", src, dst)
 					return nil
@@ -199,11 +199,11 @@ func (h *tunHandler) transportServer(ctx context.Context, tun io.ReadWriter, con
 						ipProtocol(waterutil.IPProtocol(header.NextHeader)),
 						header.PayloadLen, header.TrafficClass)
 				} else {
-					log.Warn("unknown packet, discarded")
+					log.Warnf("unknown packet, discarded(%d): % x", n, b[:n])
 					return nil
 				}
 
-				if addr := h.findRouteFor(dst, config.Routes...); addr != nil {
+				if addr := h.findRouteFor(ctx, dst, config.Router); addr != nil {
 					log.Debugf("find route: %s -> %s", dst, addr)
 
 					_, err := conn.WriteTo(b[:n], addr)

handler/tunnel/bind.go

@@ -6,6 +6,7 @@ import (
 	"encoding/hex"
 	"net"
 
+	"github.com/go-gost/core/ingress"
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/core/sd"
 	"github.com/go-gost/relay"
@@ -56,7 +57,10 @@ func (h *tunnelHandler) handleBind(ctx context.Context, conn net.Conn, network,
 
 	h.pool.Add(tunnelID, NewConnector(connectorID, tunnelID, h.id, session, h.md.sd), h.md.tunnelTTL)
 	if h.md.ingress != nil {
-		h.md.ingress.Set(ctx, addr, tunnelID.String())
+		h.md.ingress.SetRule(ctx, &ingress.Rule{
+			Hostname: addr,
+			Endpoint: tunnelID.String(),
+		})
 	}
 	if h.md.sd != nil {
 		err := h.md.sd.Register(ctx, &sd.Service{

handler/tunnel/connect.go

@@ -6,9 +6,12 @@ import (
 	"net"
 	"time"
 
+	"github.com/go-gost/core/limiter/traffic"
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/relay"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	xnet "github.com/go-gost/x/internal/net"
+	"github.com/go-gost/x/limiter/traffic/wrapper"
 )
 
 func (h *tunnelHandler) handleConnect(ctx context.Context, req *relay.Request, conn net.Conn, network, srcAddr string, dstAddr string, tunnelID relay.TunnelID, log logger.Logger) error {
@@ -41,7 +44,9 @@ func (h *tunnelHandler) handleConnect(ctx context.Context, req *relay.Request, c
 	if !h.md.directTunnel {
 		var tid relay.TunnelID
 		if ingress := h.md.ingress; ingress != nil && host != "" {
-			tid = parseTunnelID(ingress.Get(ctx, host))
+			if rule := ingress.GetRule(ctx, host); rule != nil {
+				tid = parseTunnelID(rule.Endpoint)
+			}
 		}
 		if !tid.Equal(tunnelID) {
 			resp.Status = relay.StatusHostUnreachable
@@ -95,9 +100,16 @@ func (h *tunnelHandler) handleConnect(ctx context.Context, req *relay.Request, c
 		req.WriteTo(cc)
 	}
 
+	rw := wrapper.WrapReadWriter(h.options.Limiter, conn, tunnelID.String(),
+		traffic.NetworkOption(network),
+		traffic.AddrOption(dstAddr),
+		traffic.ClientOption(string(ctxvalue.ClientIDFromContext(ctx))),
+		traffic.SrcOption(conn.RemoteAddr().String()),
+	)
+
 	t := time.Now()
 	log.Debugf("%s <-> %s", conn.RemoteAddr(), cc.RemoteAddr())
-	xnet.Transport(conn, cc)
+	xnet.Transport(rw, cc)
 	log.WithFields(map[string]any{
 		"duration": time.Since(t),
 	}).Debugf("%s >-< %s", conn.RemoteAddr(), cc.RemoteAddr())

handler/tunnel/entrypoint.go

@@ -85,7 +85,9 @@ func (ep *entrypoint) handle(ctx context.Context, conn net.Conn) error {
 
 			var tunnelID relay.TunnelID
 			if ep.ingress != nil {
-				tunnelID = parseTunnelID(ep.ingress.Get(ctx, req.Host))
+				if rule := ep.ingress.GetRule(ctx, req.Host); rule != nil {
+					tunnelID = parseTunnelID(rule.Endpoint)
+				}
 			}
 			if tunnelID.IsZero() {
 				err := fmt.Errorf("no route to host %s", req.Host)

handler/tunnel/handler.go

@@ -15,8 +15,8 @@ import (
 	"github.com/go-gost/core/recorder"
 	"github.com/go-gost/core/service"
 	"github.com/go-gost/relay"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	xnet "github.com/go-gost/x/internal/net"
-	auth_util "github.com/go-gost/x/internal/util/auth"
 	xrecorder "github.com/go-gost/x/recorder"
 	"github.com/go-gost/x/registry"
 	xservice "github.com/go-gost/x/service"
@@ -169,8 +169,6 @@ func (h *tunnelHandler) Handle(ctx context.Context, conn net.Conn, opts ...handl
 		}).Infof("%s >< %s", conn.RemoteAddr(), conn.LocalAddr())
 	}()
 
-	ctx = auth_util.ContextWithClientAddr(ctx, auth_util.ClientAddr(conn.RemoteAddr().String()))
-
 	if !h.checkRateLimit(conn.RemoteAddr()) {
 		return ErrRateLimit
 	}
@@ -238,13 +236,13 @@ func (h *tunnelHandler) Handle(ctx context.Context, conn net.Conn, opts ...handl
 	}
 
 	if h.options.Auther != nil {
-		id, ok := h.options.Auther.Authenticate(ctx, user, pass)
+		clientID, ok := h.options.Auther.Authenticate(ctx, user, pass)
 		if !ok {
 			resp.Status = relay.StatusUnauthorized
 			resp.WriteTo(conn)
 			return ErrUnauthorized
 		}
-		ctx = auth_util.ContextWithID(ctx, auth_util.ID(id))
+		ctx = ctxvalue.ContextWithClientID(ctx, ctxvalue.ClientID(clientID))
 	}
 
 	switch req.Cmd & relay.CmdMask {

handler/tunnel/metadata.go

@@ -45,13 +45,13 @@ func (h *tunnelHandler) parseMetadata(md mdata.Metadata) (err error) {
 
 	h.md.ingress = registry.IngressRegistry().Get(mdutil.GetString(md, "ingress"))
 	if h.md.ingress == nil {
-		var rules []xingress.Rule
+		var rules []*ingress.Rule
 		for _, s := range strings.Split(mdutil.GetString(md, "tunnel"), ",") {
 			ss := strings.SplitN(s, ":", 2)
 			if len(ss) != 2 {
 				continue
 			}
-			rules = append(rules, xingress.Rule{
+			rules = append(rules, &ingress.Rule{
 				Hostname: ss[0],
 				Endpoint: ss[1],
 			})
@@ -61,6 +61,7 @@ func (h *tunnelHandler) parseMetadata(md mdata.Metadata) (err error) {
 				xingress.RulesOption(rules),
 				xingress.LoggerOption(logger.Default().WithFields(map[string]any{
 					"kind":    "ingress",
+					"ingress": "@internal",
 				})),
 			)
 		}

hop/plugin.go

@@ -13,8 +13,8 @@ import (
 	"github.com/go-gost/plugin/hop/proto"
 	"github.com/go-gost/x/config"
 	node_parser "github.com/go-gost/x/config/parsing/node"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	"github.com/go-gost/x/internal/plugin"
-	auth_util "github.com/go-gost/x/internal/util/auth"
 	"google.golang.org/grpc"
 )
 
@@ -68,7 +68,8 @@ func (p *grpcPlugin) Select(ctx context.Context, opts ...hop.SelectOption) *chai
 			Addr:    options.Addr,
 			Host:    options.Host,
 			Path:    options.Path,
-			Client:  string(auth_util.IDFromContext(ctx)),
+			Client:  string(ctxvalue.ClientIDFromContext(ctx)),
+			Src:     string(ctxvalue.ClientAddrFromContext(ctx)),
 		})
 	if err != nil {
 		p.log.Error(err)
@@ -106,6 +107,7 @@ type httpPluginRequest struct {
 	Host    string `json:"host"`
 	Path    string `json:"path"`
 	Client  string `json:"client"`
+	Src     string `json:"src"`
 }
 
 type httpPluginResponse struct {
@@ -154,7 +156,8 @@ func (p *httpPlugin) Select(ctx context.Context, opts ...hop.SelectOption) *chai
 		Addr:    options.Addr,
 		Host:    options.Host,
 		Path:    options.Path,
-		Client:  string(auth_util.IDFromContext(ctx)),
+		Client:  string(ctxvalue.ClientIDFromContext(ctx)),
+		Src:     string(ctxvalue.ClientAddrFromContext(ctx)),
 	}
 	v, err := json.Marshal(&rb)
 	if err != nil {

hosts/plugin.go

@@ -11,8 +11,8 @@ import (
 	"github.com/go-gost/core/hosts"
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/plugin/hosts/proto"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	"github.com/go-gost/x/internal/plugin"
-	auth_util "github.com/go-gost/x/internal/util/auth"
 	"google.golang.org/grpc"
 )
 
@@ -58,7 +58,7 @@ func (p *grpcPlugin) Lookup(ctx context.Context, network, host string, opts ...h
 		&proto.LookupRequest{
 			Network: network,
 			Host:    host,
-			Client:  string(auth_util.IDFromContext(ctx)),
+			Client:  string(ctxvalue.ClientIDFromContext(ctx)),
 		})
 	if err != nil {
 		p.log.Error(err)
@@ -126,7 +126,7 @@ func (p *httpPlugin) Lookup(ctx context.Context, network, host string, opts ...h
 	rb := httpPluginRequest{
 		Network: network,
 		Host:    host,
-		Client:  string(auth_util.IDFromContext(ctx)),
+		Client:  string(ctxvalue.ClientIDFromContext(ctx)),
 	}
 	v, err := json.Marshal(&rb)
 	if err != nil {

ingress/ingress.go

@@ -14,13 +14,8 @@ import (
 	"github.com/go-gost/x/internal/loader"
 )
 
-type Rule struct {
-	Hostname string
-	Endpoint string
-}
-
 type options struct {
-	rules       []Rule
+	rules       []*ingress.Rule
 	fileLoader  loader.Loader
 	redisLoader loader.Loader
 	httpLoader  loader.Loader
@@ -30,7 +25,7 @@ type options struct {
 
 type Option func(opts *options)
 
-func RulesOption(rules []Rule) Option {
+func RulesOption(rules []*ingress.Rule) Option {
 	return func(opts *options) {
 		opts.rules = rules
 	}
@@ -67,7 +62,7 @@ func LoggerOption(logger logger.Logger) Option {
 }
 
 type localIngress struct {
-	rules      map[string]Rule
+	rules      map[string]*ingress.Rule
 	cancelFunc context.CancelFunc
 	options    options
 	mu         sync.RWMutex
@@ -119,9 +114,9 @@ func (ing *localIngress) periodReload(ctx context.Context) error {
 }
 
 func (ing *localIngress) reload(ctx context.Context) error {
-	rules := make(map[string]Rule)
+	rules := make(map[string]*ingress.Rule)
 
-	fn := func(rule Rule) {
+	fn := func(rule *ingress.Rule) {
 		if rule.Hostname == "" || rule.Endpoint == "" {
 			return
 		}
@@ -152,7 +147,7 @@ func (ing *localIngress) reload(ctx context.Context) error {
 	return nil
 }
 
-func (ing *localIngress) load(ctx context.Context) (rules []Rule, err error) {
+func (ing *localIngress) load(ctx context.Context) (rules []*ingress.Rule, err error) {
 	if ing.options.fileLoader != nil {
 		if lister, ok := ing.options.fileLoader.(loader.Lister); ok {
 			list, er := lister.List(ctx)
@@ -203,7 +198,7 @@ func (ing *localIngress) load(ctx context.Context) (rules []Rule, err error) {
 	return
 }
 
-func (ing *localIngress) parseRules(r io.Reader) (rules []Rule, err error) {
+func (ing *localIngress) parseRules(r io.Reader) (rules []*ingress.Rule, err error) {
 	if r == nil {
 		return
 	}
@@ -219,9 +214,9 @@ func (ing *localIngress) parseRules(r io.Reader) (rules []Rule, err error) {
 	return
 }
 
-func (ing *localIngress) Get(ctx context.Context, host string, opts ...ingress.GetOption) string {
+func (ing *localIngress) GetRule(ctx context.Context, host string, opts ...ingress.Option) *ingress.Rule {
 	if host == "" || ing == nil {
-		return ""
+		return nil
 	}
 
 	// try to strip the port
@@ -229,22 +224,18 @@ func (ing *localIngress) Get(ctx context.Context, host string, opts ...ingress.G
 		host = v
 	}
 
-	if ing == nil || len(ing.rules) == 0 {
-		return ""
-	}
-
 	ing.options.logger.Debugf("ingress: lookup %s", host)
 	ep := ing.lookup(host)
-	if ep == "" {
+	if ep == nil {
 		ep = ing.lookup("." + host)
 	}
-	if ep == "" {
+	if ep == nil {
 		s := host
 		for {
 			if index := strings.IndexByte(s, '.'); index > 0 {
 				ep = ing.lookup(s[index:])
 				s = s[index+1:]
-				if ep == "" {
+				if ep == nil {
 					continue
 				}
 			}
@@ -252,29 +243,29 @@ func (ing *localIngress) Get(ctx context.Context, host string, opts ...ingress.G
 		}
 	}
 
-	if ep != "" {
+	if ep != nil {
 		ing.options.logger.Debugf("ingress: %s -> %s", host, ep)
 	}
 
 	return ep
 }
 
-func (ing *localIngress) Set(ctx context.Context, host, endpoint string, opts ...ingress.SetOption) {
+func (ing *localIngress) SetRule(ctx context.Context, rule *ingress.Rule, opts ...ingress.Option) bool {
-
+	return false
 }
 
-func (ing *localIngress) lookup(host string) string {
+func (ing *localIngress) lookup(host string) *ingress.Rule {
-	if ing == nil || len(ing.rules) == 0 {
+	if ing == nil {
-		return ""
+		return nil
 	}
 
 	ing.mu.RLock()
 	defer ing.mu.RUnlock()
 
-	return ing.rules[host].Endpoint
+	return ing.rules[host]
 }
 
-func (ing *localIngress) parseLine(s string) (rule Rule) {
+func (ing *localIngress) parseLine(s string) (rule *ingress.Rule) {
 	line := strings.Replace(s, "\t", " ", -1)
 	line = strings.TrimSpace(line)
 	if n := strings.IndexByte(line, '#'); n >= 0 {
@@ -290,7 +281,7 @@ func (ing *localIngress) parseLine(s string) (rule Rule) {
 		return // invalid lines are ignored
 	}
 
-	return Rule{
+	return &ingress.Rule{
 		Hostname: sp[0],
 		Endpoint: sp[1],
 	}

ingress/plugin.go

@@ -46,31 +46,42 @@ func NewGRPCPlugin(name string, addr string, opts ...plugin.Option) ingress.Ingr
 	return p
 }
 
-func (p *grpcPlugin) Get(ctx context.Context, host string, opts ...ingress.GetOption) string {
+func (p *grpcPlugin) GetRule(ctx context.Context, host string, opts ...ingress.Option) *ingress.Rule {
 	if p.client == nil {
-		return ""
+		return nil
 	}
 
-	r, err := p.client.Get(ctx,
+	r, err := p.client.GetRule(ctx,
-		&proto.GetRequest{
+		&proto.GetRuleRequest{
 			Host: host,
 		})
 	if err != nil {
 		p.log.Error(err)
-		return ""
+		return nil
+	}
+	if r.Endpoint == "" {
+		return nil
+	}
+	return &ingress.Rule{
+		Hostname: host,
+		Endpoint: r.Endpoint,
 	}
-	return r.GetEndpoint()
 }
 
-func (p *grpcPlugin) Set(ctx context.Context, host, endpoint string, opts ...ingress.SetOption) {
+func (p *grpcPlugin) SetRule(ctx context.Context, rule *ingress.Rule, opts ...ingress.Option) bool {
-	if p.client == nil {
+	if p.client == nil || rule == nil {
-		return
+		return false
 	}
 
-	p.client.Set(ctx, &proto.SetRequest{
+	r, _ := p.client.SetRule(ctx, &proto.SetRuleRequest{
-		Host:     host,
+		Host:     rule.Hostname,
-		Endpoint: endpoint,
+		Endpoint: rule.Endpoint,
 	})
+	if r == nil {
+		return false
+	}
+
+	return r.Ok
 }
 
 func (p *grpcPlugin) Close() error {
@@ -80,20 +91,21 @@ func (p *grpcPlugin) Close() error {
 	return nil
 }
 
-type httpPluginGetRequest struct {
+type httpPluginGetRuleRequest struct {
 	Host string `json:"host"`
 }
 
-type httpPluginGetResponse struct {
+type httpPluginGetRuleResponse struct {
 	Endpoint string `json:"endpoint"`
 }
 
-type httpPluginSetRequest struct {
+type httpPluginSetRuleRequest struct {
 	Host     string `json:"host"`
 	Endpoint string `json:"endpoint"`
 }
 
-type httpPluginSetResponse struct {
+type httpPluginSetRuleResponse struct {
+	OK bool `json:"ok"`
 }
 
 type httpPlugin struct {
@@ -121,14 +133,14 @@ func NewHTTPPlugin(name string, url string, opts ...plugin.Option) ingress.Ingre
 	}
 }
 
-func (p *httpPlugin) Get(ctx context.Context, host string, opts ...ingress.GetOption) (endpoint string) {
+func (p *httpPlugin) GetRule(ctx context.Context, host string, opts ...ingress.Option) *ingress.Rule {
 	if p.client == nil {
-		return
+		return nil
 	}
 
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, p.url, nil)
 	if err != nil {
-		return
+		return nil
 	}
 	if p.header != nil {
 		req.Header = p.header.Clone()
@@ -141,38 +153,44 @@ func (p *httpPlugin) Get(ctx context.Context, host string, opts ...ingress.GetOp
 
 	resp, err := p.client.Do(req)
 	if err != nil {
-		return
+		return nil
 	}
 	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
-		return
+		return nil
 	}
 
-	res := httpPluginGetResponse{}
+	res := httpPluginGetRuleResponse{}
 	if err := json.NewDecoder(resp.Body).Decode(&res); err != nil {
-		return
+		return nil
+	}
+	if res.Endpoint == "" {
+		return nil
+	}
+	return &ingress.Rule{
+		Hostname: host,
+		Endpoint: res.Endpoint,
 	}
-	return res.Endpoint
 }
 
-func (p *httpPlugin) Set(ctx context.Context, host, endpoint string, opts ...ingress.SetOption) {
+func (p *httpPlugin) SetRule(ctx context.Context, rule *ingress.Rule, opts ...ingress.Option) bool {
-	if p.client == nil {
+	if p.client == nil || rule == nil {
-		return
+		return false
 	}
 
-	rb := httpPluginSetRequest{
+	rb := httpPluginSetRuleRequest{
-		Host:     host,
+		Host:     rule.Hostname,
-		Endpoint: endpoint,
+		Endpoint: rule.Endpoint,
 	}
 	v, err := json.Marshal(&rb)
 	if err != nil {
-		return
+		return false
 	}
 
 	req, err := http.NewRequestWithContext(ctx, http.MethodPut, p.url, bytes.NewReader(v))
 	if err != nil {
-		return
+		return false
 	}
 
 	if p.header != nil {
@@ -181,16 +199,17 @@ func (p *httpPlugin) Set(ctx context.Context, host, endpoint string, opts ...ing
 	req.Header.Set("Content-Type", "application/json")
 	resp, err := p.client.Do(req)
 	if err != nil {
-		return
+		return false
 	}
 	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
-		return
+		return false
 	}
 
-	res := httpPluginSetResponse{}
+	res := httpPluginSetRuleResponse{}
 	if err := json.NewDecoder(resp.Body).Decode(&res); err != nil {
-		return
+		return false
 	}
+	return res.OK
 }

internal/ctx/value.go

@@ -0,0 +1,76 @@
+package ctx
+
+import "context"
+
+// clientAddrKey saves the client address.
+type clientAddrKey struct{}
+
+type ClientAddr string
+
+var (
+	keyClientAddr clientAddrKey
+)
+
+func ContextWithClientAddr(ctx context.Context, addr ClientAddr) context.Context {
+	return context.WithValue(ctx, keyClientAddr, addr)
+}
+
+func ClientAddrFromContext(ctx context.Context) ClientAddr {
+	v, _ := ctx.Value(keyClientAddr).(ClientAddr)
+	return v
+}
+
+// sidKey saves the session ID.
+type sidKey struct{}
+type Sid string
+
+var (
+	keySid sidKey
+)
+
+func ContextWithSid(ctx context.Context, sid Sid) context.Context {
+	return context.WithValue(ctx, keySid, sid)
+}
+
+func SidFromContext(ctx context.Context) Sid {
+	v, _ := ctx.Value(keySid).(Sid)
+	return v
+}
+
+// hashKey saves the hash source for Selector.
+type hashKey struct{}
+
+type Hash struct {
+	Source string
+}
+
+var (
+	clientHashKey = &hashKey{}
+)
+
+func ContextWithHash(ctx context.Context, hash *Hash) context.Context {
+	return context.WithValue(ctx, clientHashKey, hash)
+}
+
+func HashFromContext(ctx context.Context) *Hash {
+	if v, _ := ctx.Value(clientHashKey).(*Hash); v != nil {
+		return v
+	}
+	return nil
+}
+
+type clientIDKey struct{}
+type ClientID string
+
+var (
+	keyClientID = &clientIDKey{}
+)
+
+func ContextWithClientID(ctx context.Context, clientID ClientID) context.Context {
+	return context.WithValue(ctx, keyClientID, clientID)
+}
+
+func ClientIDFromContext(ctx context.Context) ClientID {
+	v, _ := ctx.Value(keyClientID).(ClientID)
+	return v
+}

internal/matcher/matcher.go

@@ -1,11 +1,11 @@
 package matcher
 
 import (
-	"fmt"
 	"net"
 	"strconv"
 	"strings"
 
+	xnet "github.com/go-gost/x/internal/net"
 	"github.com/gobwas/glob"
 	"github.com/yl2chen/cidranger"
 )
@@ -40,7 +40,7 @@ func (m *ipMatcher) Match(ip string) bool {
 }
 
 type addrMatcher struct {
-	addrs map[string]*PortRange
+	addrs map[string]*xnet.PortRange
 }
 
 // AddrMatcher creates a Matcher with a list of HOST:PORT addresses.
@@ -50,7 +50,7 @@ type addrMatcher struct {
 // The PORT can be a single port number or port range MIN-MAX(e.g. 0-65535).
 func AddrMatcher(addrs []string) Matcher {
 	matcher := &addrMatcher{
-		addrs: make(map[string]*PortRange),
+		addrs: make(map[string]*xnet.PortRange),
 	}
 	for _, addr := range addrs {
 		host, port, _ := net.SplitHostPort(addr)
@@ -58,7 +58,10 @@ func AddrMatcher(addrs []string) Matcher {
 			matcher.addrs[addr] = nil
 			continue
 		}
-		pr, _ := parsePortRange(port)
+		pr := &xnet.PortRange{}
+		if err := pr.Parse(port); err != nil {
+			pr = nil
+		}
 		matcher.addrs[host] = pr
 	}
 	return matcher
@@ -75,13 +78,13 @@ func (m *addrMatcher) Match(addr string) bool {
 	port, _ := strconv.Atoi(sp)
 
 	if pr, ok := m.addrs[host]; ok {
-		if pr == nil || pr.contains(port) {
+		if pr == nil || pr.Contains(port) {
 			return true
 		}
 	}
 
 	if pr, ok := m.addrs["."+host]; ok {
-		if pr == nil || pr.contains(port) {
+		if pr == nil || pr.Contains(port) {
 			return true
 		}
 	}
@@ -89,7 +92,7 @@ func (m *addrMatcher) Match(addr string) bool {
 	for {
 		if index := strings.IndexByte(host, '.'); index > 0 {
 			if pr, ok := m.addrs[host[index:]]; ok {
-				if pr == nil || pr.contains(port) {
+				if pr == nil || pr.Contains(port) {
 					return true
 				}
 			}
@@ -172,7 +175,7 @@ func (m *domainMatcher) Match(domain string) bool {
 
 type wildcardMatcherPattern struct {
 	glob glob.Glob
-	pr   *PortRange
+	pr   *xnet.PortRange
 }
 type wildcardMatcher struct {
 	patterns []wildcardMatcherPattern
@@ -187,7 +190,11 @@ func WildcardMatcher(patterns []string) Matcher {
 		if host == "" {
 			host = pattern
 		}
-		pr, _ := parsePortRange(port)
+		pr := &xnet.PortRange{}
+		if err := pr.Parse(port); err != nil {
+			pr = nil
+		}
+
 		matcher.patterns = append(matcher.patterns, wildcardMatcherPattern{
 			glob: glob.MustCompile(host),
 			pr:   pr,
@@ -208,8 +215,8 @@ func (m *wildcardMatcher) Match(addr string) bool {
 	}
 	port, _ := strconv.Atoi(sp)
 	for _, pattern := range m.patterns {
-		if pattern.glob.Match(addr) {
+		if pattern.glob.Match(host) {
-			if pattern.pr == nil || pattern.pr.contains(port) {
+			if pattern.pr == nil || pattern.pr.Contains(port) {
 				return true
 			}
 		}
@@ -217,44 +224,3 @@ func (m *wildcardMatcher) Match(addr string) bool {
 
 	return false
 }
-
-type PortRange struct {
-	Min int
-	Max int
-}
-
-// ParsePortRange parses the s to a PortRange.
-// The s can be a single port number and will be converted to port range port-port.
-func parsePortRange(s string) (*PortRange, error) {
-	minmax := strings.Split(s, "-")
-	switch len(minmax) {
-	case 1:
-		port, err := strconv.Atoi(s)
-		if err != nil {
-			return nil, err
-		}
-		if port < 0 || port > 65535 {
-			return nil, fmt.Errorf("invalid port: %s", s)
-		}
-		return &PortRange{Min: port, Max: port}, nil
-
-	case 2:
-		min, err := strconv.Atoi(minmax[0])
-		if err != nil {
-			return nil, err
-		}
-		max, err := strconv.Atoi(minmax[1])
-		if err != nil {
-			return nil, err
-		}
-
-		return &PortRange{Min: min, Max: max}, nil
-
-	default:
-		return nil, fmt.Errorf("invalid range: %s", s)
-	}
-}
-
-func (pr *PortRange) contains(port int) bool {
-	return port >= pr.Min && port <= pr.Max
-}

internal/net/addr.go

@@ -0,0 +1,77 @@
+package net
+
+import (
+	"fmt"
+	"net"
+	"strconv"
+	"strings"
+)
+
+// AddrPortRange is the network address with port range supported.
+// e.g. 192.168.1.1:0-65535
+type AddrPortRange string
+
+func (p AddrPortRange) Addrs() (addrs []string) {
+	// ignore url scheme, e.g. http://, tls://, tcp://.
+	if strings.Contains(string(p), "://") {
+		return nil
+	}
+
+	h, sp, err := net.SplitHostPort(string(p))
+	if err != nil {
+		return nil
+	}
+
+	pr := PortRange{}
+	pr.Parse(sp)
+
+	for i := pr.Min; i <= pr.Max; i++ {
+		addrs = append(addrs, net.JoinHostPort(h, strconv.Itoa(i)))
+	}
+	return addrs
+}
+
+// Port range is a range of port list.
+type PortRange struct {
+	Min int
+	Max int
+}
+
+// Parse parses the s to PortRange.
+// The s can be a single port number and will be converted to port range port-port.
+func (pr *PortRange) Parse(s string) error {
+	minmax := strings.Split(s, "-")
+	switch len(minmax) {
+	case 1:
+		port, err := strconv.Atoi(s)
+		if err != nil {
+			return err
+		}
+		if port < 0 || port > 65535 {
+			return fmt.Errorf("invalid port: %s", s)
+		}
+
+		pr.Min, pr.Max = port, port
+		return nil
+
+	case 2:
+		min, err := strconv.Atoi(minmax[0])
+		if err != nil {
+			return err
+		}
+		max, err := strconv.Atoi(minmax[1])
+		if err != nil {
+			return err
+		}
+
+		pr.Min, pr.Max = min, max
+		return nil
+
+	default:
+		return fmt.Errorf("invalid range: %s", s)
+	}
+}
+
+func (pr *PortRange) Contains(port int) bool {
+	return port >= pr.Min && port <= pr.Max
+}

internal/net/udp/relay.go

@@ -39,7 +39,7 @@ func (r *Relay) SetBufferSize(n int) {
 	r.bufferSize = n
 }
 
-func (r *Relay) Run() (err error) {
+func (r *Relay) Run(ctx context.Context) (err error) {
 	bufSize := r.bufferSize
 	if bufSize <= 0 {
 		bufSize = 4096
@@ -58,7 +58,7 @@ func (r *Relay) Run() (err error) {
 					return err
 				}
 
-				if r.bypass != nil && r.bypass.Contains(context.Background(), "udp", raddr.String()) {
+				if r.bypass != nil && r.bypass.Contains(ctx, "udp", raddr.String()) {
 					if r.logger != nil {
 						r.logger.Warn("bypass: ", raddr)
 					}
@@ -96,7 +96,7 @@ func (r *Relay) Run() (err error) {
 					return err
 				}
 
-				if r.bypass != nil && r.bypass.Contains(context.Background(), "udp", raddr.String()) {
+				if r.bypass != nil && r.bypass.Contains(ctx, "udp", raddr.String()) {
 					if r.logger != nil {
 						r.logger.Warn("bypass: ", raddr)
 					}

internal/util/auth/key.go

@@ -1,34 +0,0 @@
-package auth
-
-import (
-	"context"
-)
-
-type idKey struct{}
-type ID string
-
-type addrKey struct{}
-type ClientAddr string
-
-var (
-	clientIDKey   = &idKey{}
-	clientAddrKey = &addrKey{}
-)
-
-func ContextWithID(ctx context.Context, id ID) context.Context {
-	return context.WithValue(ctx, clientIDKey, id)
-}
-
-func IDFromContext(ctx context.Context) ID {
-	v, _ := ctx.Value(clientIDKey).(ID)
-	return v
-}
-
-func ContextWithClientAddr(ctx context.Context, addr ClientAddr) context.Context {
-	return context.WithValue(ctx, clientAddrKey, addr)
-}
-
-func ClientAddrFromContext(ctx context.Context) ClientAddr {
-	v, _ := ctx.Value(clientAddrKey).(ClientAddr)
-	return v
-}

internal/util/relay/conn.go

@@ -6,8 +6,32 @@ import (
 
 	"github.com/go-gost/core/common/bufpool"
 	"github.com/go-gost/gosocks5"
+	"github.com/go-gost/relay"
 )
 
+func StatusText(code uint8) string {
+	switch code {
+	case relay.StatusBadRequest:
+		return "Bad Request"
+	case relay.StatusForbidden:
+		return "Forbidden"
+	case relay.StatusHostUnreachable:
+		return "Host Unreachable"
+	case relay.StatusInternalServerError:
+		return "Internal Server Error"
+	case relay.StatusNetworkUnreachable:
+		return "Network Unreachable"
+	case relay.StatusServiceUnavailable:
+		return "Service Unavailable"
+	case relay.StatusTimeout:
+		return "Timeout"
+	case relay.StatusUnauthorized:
+		return "Unauthorized"
+	default:
+		return ""
+	}
+}
+
 type udpTunConn struct {
 	net.Conn
 	taddr net.Addr

internal/util/selector/key.go

@@ -1,26 +0,0 @@
-package selector
-
-import (
-	"context"
-)
-
-type hashKey struct{}
-
-type Hash struct {
-	Source string
-}
-
-var (
-	clientHashKey = &hashKey{}
-)
-
-func ContextWithHash(ctx context.Context, hash *Hash) context.Context {
-	return context.WithValue(ctx, clientHashKey, hash)
-}
-
-func HashFromContext(ctx context.Context) *Hash {
-	if v, _ := ctx.Value(clientHashKey).(*Hash); v != nil {
-		return v
-	}
-	return nil
-}

internal/util/tun/config.go

@@ -1,12 +1,10 @@
 package tun
 
-import "net"
+import (
+	"net"
 
-// Route is an IP routing entry
+	"github.com/go-gost/core/router"
-type Route struct {
+)
-	Net     net.IPNet
-	Gateway net.IP
-}
 
 type Config struct {
 	Name string
@@ -15,5 +13,5 @@ type Config struct {
 	Peer    string
 	MTU     int
 	Gateway net.IP
-	Routes  []Route
+	Router  router.Router
 }

limiter/traffic/plugin.go

@@ -0,0 +1,235 @@
+package traffic
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"io"
+	"net/http"
+
+	"github.com/go-gost/core/limiter/traffic"
+	"github.com/go-gost/core/logger"
+	"github.com/go-gost/plugin/limiter/traffic/proto"
+	"github.com/go-gost/x/internal/plugin"
+	"google.golang.org/grpc"
+)
+
+type grpcPlugin struct {
+	conn   grpc.ClientConnInterface
+	client proto.LimiterClient
+	log    logger.Logger
+}
+
+// NewGRPCPlugin creates a traffic limiter plugin based on gRPC.
+func NewGRPCPlugin(name string, addr string, opts ...plugin.Option) traffic.TrafficLimiter {
+	var options plugin.Options
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	log := logger.Default().WithFields(map[string]any{
+		"kind":    "limiter",
+		"limiter": name,
+	})
+	conn, err := plugin.NewGRPCConn(addr, &options)
+	if err != nil {
+		log.Error(err)
+	}
+
+	p := &grpcPlugin{
+		conn: conn,
+		log:  log,
+	}
+	if conn != nil {
+		p.client = proto.NewLimiterClient(conn)
+	}
+	return p
+}
+
+func (p *grpcPlugin) In(ctx context.Context, key string, opts ...traffic.Option) traffic.Limiter {
+	if p.client == nil {
+		return nil
+	}
+
+	var options traffic.Options
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	r, err := p.client.Limit(ctx,
+		&proto.LimitRequest{
+			Network: options.Network,
+			Addr:    options.Addr,
+			Client:  options.Client,
+			Src:     options.Src,
+		})
+	if err != nil {
+		p.log.Error(err)
+		return nil
+	}
+
+	return NewLimiter(int(r.In))
+}
+
+func (p *grpcPlugin) Out(ctx context.Context, key string, opts ...traffic.Option) traffic.Limiter {
+	if p.client == nil {
+		return nil
+	}
+
+	var options traffic.Options
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	r, err := p.client.Limit(ctx,
+		&proto.LimitRequest{
+			Network: options.Network,
+			Addr:    options.Addr,
+			Client:  options.Client,
+			Src:     options.Src,
+		})
+	if err != nil {
+		p.log.Error(err)
+		return nil
+	}
+
+	return NewLimiter(int(r.Out))
+}
+
+func (p *grpcPlugin) Close() error {
+	if closer, ok := p.conn.(io.Closer); ok {
+		return closer.Close()
+	}
+	return nil
+}
+
+type httpPluginRequest struct {
+	Network string `json:"network"`
+	Addr    string `json:"addr"`
+	Client  string `json:"client"`
+	Src     string `json:"src"`
+}
+
+type httpPluginResponse struct {
+	In  int64 `json:"in"`
+	Out int64 `json:"out"`
+}
+
+type httpPlugin struct {
+	url    string
+	client *http.Client
+	header http.Header
+	log    logger.Logger
+}
+
+// NewHTTPPlugin creates a traffic limiter plugin based on HTTP.
+func NewHTTPPlugin(name string, url string, opts ...plugin.Option) traffic.TrafficLimiter {
+	var options plugin.Options
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	return &httpPlugin{
+		url:    url,
+		client: plugin.NewHTTPClient(&options),
+		header: options.Header,
+		log: logger.Default().WithFields(map[string]any{
+			"kind":    "limiter",
+			"limiter": name,
+		}),
+	}
+}
+
+func (p *httpPlugin) In(ctx context.Context, key string, opts ...traffic.Option) traffic.Limiter {
+	if p.client == nil {
+		return nil
+	}
+
+	var options traffic.Options
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	rb := httpPluginRequest{
+		Network: options.Network,
+		Addr:    options.Addr,
+		Client:  options.Client,
+		Src:     options.Src,
+	}
+	v, err := json.Marshal(&rb)
+	if err != nil {
+		return nil
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, p.url, bytes.NewReader(v))
+	if err != nil {
+		return nil
+	}
+
+	if p.header != nil {
+		req.Header = p.header.Clone()
+	}
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := p.client.Do(req)
+	if err != nil {
+		return nil
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return nil
+	}
+
+	res := httpPluginResponse{}
+	if err := json.NewDecoder(resp.Body).Decode(&res); err != nil {
+		return nil
+	}
+	return NewLimiter(int(res.In))
+}
+
+func (p *httpPlugin) Out(ctx context.Context, key string, opts ...traffic.Option) traffic.Limiter {
+	if p.client == nil {
+		return nil
+	}
+
+	var options traffic.Options
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	rb := httpPluginRequest{
+		Network: options.Network,
+		Addr:    options.Addr,
+		Client:  options.Client,
+		Src:     options.Src,
+	}
+	v, err := json.Marshal(&rb)
+	if err != nil {
+		return nil
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, p.url, bytes.NewReader(v))
+	if err != nil {
+		return nil
+	}
+
+	if p.header != nil {
+		req.Header = p.header.Clone()
+	}
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := p.client.Do(req)
+	if err != nil {
+		return nil
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return nil
+	}
+
+	res := httpPluginResponse{}
+	if err := json.NewDecoder(resp.Body).Decode(&res); err != nil {
+		return nil
+	}
+	return NewLimiter(int(res.Out))
+}

limiter/traffic/traffic.go

@@ -121,7 +121,7 @@ func NewTrafficLimiter(opts ...Option) limiter.TrafficLimiter {
 
 // In obtains a traffic input limiter based on key.
 // The key should be client connection address.
-func (l *trafficLimiter) In(key string) limiter.Limiter {
+func (l *trafficLimiter) In(ctx context.Context, key string, opts ...limiter.Option) limiter.Limiter {
 	var lims []limiter.Limiter
 
 	// service level limiter
@@ -185,7 +185,7 @@ func (l *trafficLimiter) In(key string) limiter.Limiter {
 
 // Out obtains a traffic output limiter based on key.
 // The key should be client connection address.
-func (l *trafficLimiter) Out(key string) limiter.Limiter {
+func (l *trafficLimiter) Out(ctx context.Context, key string, opts ...limiter.Option) limiter.Limiter {
 	var lims []limiter.Limiter
 
 	// service level limiter

limiter/traffic/wrapper/conn.go

@@ -26,43 +26,54 @@ type serverConn struct {
 	rbuf       bytes.Buffer
 	limiter    limiter.TrafficLimiter
 	limiterIn  limiter.Limiter
-	expIn      int64
 	limiterOut limiter.Limiter
+	expIn      int64
 	expOut     int64
+	opts       []limiter.Option
 }
 
-func WrapConn(limiter limiter.TrafficLimiter, c net.Conn) net.Conn {
+func WrapConn(tlimiter limiter.TrafficLimiter, c net.Conn) net.Conn {
-	if limiter == nil {
+	if tlimiter == nil {
 		return c
 	}
+
 	return &serverConn{
 		Conn:    c,
-		limiter: limiter,
+		limiter: tlimiter,
+		opts: []limiter.Option{
+			limiter.NetworkOption(c.LocalAddr().Network()),
+			limiter.SrcOption(c.RemoteAddr().String()),
+			limiter.AddrOption(c.LocalAddr().String()),
+		},
 	}
 }
 
-func (c *serverConn) getInLimiter(addr net.Addr) limiter.Limiter {
+func (c *serverConn) getInLimiter() limiter.Limiter {
 	now := time.Now().UnixNano()
 	// cache the limiter for 60s
 	if c.limiter != nil && time.Duration(now-c.expIn) > 60*time.Second {
-		c.limiterIn = c.limiter.In(addr.String())
+		if lim := c.limiter.In(context.Background(), c.RemoteAddr().String()); lim != nil {
+			c.limiterIn = lim
+		}
 		c.expIn = now
 	}
 	return c.limiterIn
 }
 
-func (c *serverConn) getOutLimiter(addr net.Addr) limiter.Limiter {
+func (c *serverConn) getOutLimiter() limiter.Limiter {
 	now := time.Now().UnixNano()
 	// cache the limiter for 60s
 	if c.limiter != nil && time.Duration(now-c.expOut) > 60*time.Second {
-		c.limiterOut = c.limiter.Out(addr.String())
+		if lim := c.limiter.Out(context.Background(), c.RemoteAddr().String()); lim != nil {
+			c.limiterOut = lim
+		}
 		c.expOut = now
 	}
 	return c.limiterOut
 }
 
 func (c *serverConn) Read(b []byte) (n int, err error) {
-	limiter := c.getInLimiter(c.RemoteAddr())
+	limiter := c.getInLimiter()
 	if limiter == nil {
 		return c.Conn.Read(b)
 	}
@@ -92,7 +103,7 @@ func (c *serverConn) Read(b []byte) (n int, err error) {
 }
 
 func (c *serverConn) Write(b []byte) (n int, err error) {
-	limiter := c.getOutLimiter(c.RemoteAddr())
+	limiter := c.getOutLimiter()
 	if limiter == nil {
 		return c.Conn.Write(b)
 	}
@@ -163,7 +174,7 @@ func (c *packetConn) getInLimiter(addr net.Addr) limiter.Limiter {
 		return lim
 	}
 
-	lim = c.limiter.In(addr.String())
+	lim = c.limiter.In(context.Background(), addr.String())
 	c.inLimits.Set(addr.String(), lim, 0)
 
 	return lim
@@ -187,7 +198,7 @@ func (c *packetConn) getOutLimiter(addr net.Addr) limiter.Limiter {
 		return lim
 	}
 
-	lim = c.limiter.Out(addr.String())
+	lim = c.limiter.Out(context.Background(), addr.String())
 	c.outLimits.Set(addr.String(), lim, 0)
 
 	return lim
@@ -266,7 +277,7 @@ func (c *udpConn) getInLimiter(addr net.Addr) limiter.Limiter {
 		return lim
 	}
 
-	lim = c.limiter.In(addr.String())
+	lim = c.limiter.In(context.Background(), addr.String())
 	c.inLimits.Set(addr.String(), lim, 0)
 
 	return lim
@@ -290,7 +301,7 @@ func (c *udpConn) getOutLimiter(addr net.Addr) limiter.Limiter {
 		return lim
 	}
 
-	lim = c.limiter.Out(addr.String())
+	lim = c.limiter.Out(context.Background(), addr.String())
 	c.outLimits.Set(addr.String(), lim, 0)
 
 	return lim

limiter/traffic/wrapper/io.go

@@ -0,0 +1,108 @@
+package wrapper
+
+import (
+	"bytes"
+	"context"
+	"io"
+	"time"
+
+	limiter "github.com/go-gost/core/limiter/traffic"
+)
+
+// readWriter is an io.ReadWriter with traffic limiter supported.
+type readWriter struct {
+	io.ReadWriter
+	rbuf       bytes.Buffer
+	limiter    limiter.TrafficLimiter
+	limiterIn  limiter.Limiter
+	limiterOut limiter.Limiter
+	expIn      int64
+	expOut     int64
+	opts       []limiter.Option
+	key        string
+}
+
+func WrapReadWriter(limiter limiter.TrafficLimiter, rw io.ReadWriter, key string, opts ...limiter.Option) io.ReadWriter {
+	if limiter == nil {
+		return rw
+	}
+
+	return &readWriter{
+		ReadWriter: rw,
+		limiter:    limiter,
+		opts:       opts,
+	}
+}
+
+func (p *readWriter) getInLimiter() limiter.Limiter {
+	now := time.Now().UnixNano()
+	// cache the limiter for 60s
+	if p.limiter != nil && time.Duration(now-p.expIn) > 60*time.Second {
+		if lim := p.limiter.In(context.Background(), p.key, p.opts...); lim != nil {
+			p.limiterIn = lim
+		}
+		p.expIn = now
+	}
+	return p.limiterIn
+}
+
+func (p *readWriter) getOutLimiter() limiter.Limiter {
+	now := time.Now().UnixNano()
+	// cache the limiter for 60s
+	if p.limiter != nil && time.Duration(now-p.expOut) > 60*time.Second {
+		if lim := p.limiter.Out(context.Background(), p.key, p.opts...); lim != nil {
+			p.limiterOut = lim
+		}
+		p.expOut = now
+	}
+	return p.limiterOut
+}
+
+func (p *readWriter) Read(b []byte) (n int, err error) {
+	limiter := p.getInLimiter()
+	if limiter == nil {
+		return p.ReadWriter.Read(b)
+	}
+
+	if p.rbuf.Len() > 0 {
+		burst := len(b)
+		if p.rbuf.Len() < burst {
+			burst = p.rbuf.Len()
+		}
+		lim := limiter.Wait(context.Background(), burst)
+		return p.rbuf.Read(b[:lim])
+	}
+
+	nn, err := p.ReadWriter.Read(b)
+	if err != nil {
+		return nn, err
+	}
+
+	n = limiter.Wait(context.Background(), nn)
+	if n < nn {
+		if _, err = p.rbuf.Write(b[n:nn]); err != nil {
+			return 0, err
+		}
+	}
+
+	return
+}
+
+func (p *readWriter) Write(b []byte) (n int, err error) {
+	limiter := p.getOutLimiter()
+	if limiter == nil {
+		return p.ReadWriter.Write(b)
+	}
+
+	nn := 0
+	for len(b) > 0 {
+		nn, err = p.ReadWriter.Write(b[:limiter.Wait(context.Background(), len(b))])
+		n += nn
+		if err != nil {
+			return
+		}
+		b = b[nn:]
+	}
+
+	return
+}

listener/http2/listener.go

@@ -118,10 +118,10 @@ func (l *http2Listener) Close() (err error) {
 	case <-l.errChan:
 	default:
 		err = l.server.Close()
-		l.errChan <- err
+		l.errChan <- http.ErrServerClosed
 		close(l.errChan)
 	}
-	return nil
+	return
 }
 
 func (l *http2Listener) handleFunc(w http.ResponseWriter, r *http.Request) {

listener/kcp/metadata.go

@@ -20,18 +20,17 @@ type metadata struct {
 func (l *kcpListener) parseMetadata(md mdata.Metadata) (err error) {
 	const (
 		backlog    = "backlog"
-		config     = "config"
 		configFile = "c"
 	)
 
-	if file := mdutil.GetString(md, configFile); file != "" {
+	if file := mdutil.GetString(md, "kcp.configFile", "configFile", "c"); file != "" {
 		l.md.config, err = kcp_util.ParseFromFile(file)
 		if err != nil {
 			return
 		}
 	}
 
-	if m := mdutil.GetStringMap(md, config); len(m) > 0 {
+	if m := mdutil.GetStringMap(md, "kcp.config", "config"); len(m) > 0 {
 		b, err := json.Marshal(m)
 		if err != nil {
 			return err
@@ -46,6 +45,14 @@ func (l *kcpListener) parseMetadata(md mdata.Metadata) (err error) {
 	if l.md.config == nil {
 		l.md.config = kcp_util.DefaultConfig
 	}
+	l.md.config.TCP = mdutil.GetBool(md, "kcp.tcp", "tcp")
+	l.md.config.Key = mdutil.GetString(md, "kcp.key")
+	l.md.config.Crypt = mdutil.GetString(md, "kcp.crypt")
+	l.md.config.Mode = mdutil.GetString(md, "kcp.mode")
+	l.md.config.KeepAlive = mdutil.GetInt(md, "kcp.keepalive")
+	l.md.config.Interval = mdutil.GetInt(md, "kcp.interval")
+	l.md.config.MTU = mdutil.GetInt(md, "kcp.mtu")
+	l.md.config.SmuxVer = mdutil.GetInt(md, "kcp.smuxVer")
 
 	l.md.backlog = mdutil.GetInt(md, backlog)
 	if l.md.backlog <= 0 {

listener/rudp/listener.go

@@ -50,12 +50,13 @@ func (l *rudpListener) Init(md md.Metadata) (err error) {
 	if xnet.IsIPv4(l.options.Addr) {
 		network = "udp4"
 	}
-	laddr, err := net.ResolveUDPAddr(network, l.options.Addr)
+	if laddr, _ := net.ResolveUDPAddr(network, l.options.Addr); laddr != nil {
-	if err != nil {
+		l.laddr = laddr
-		return
+	}
+	if l.laddr == nil {
+		l.laddr = &bindAddr{addr: l.options.Addr}
 	}
 
-	l.laddr = laddr
 	l.router = chain.NewRouter(
 		chain.ChainRouterOption(l.options.Chain),
 		chain.LoggerRouterOption(l.logger),
@@ -116,3 +117,15 @@ func (l *rudpListener) Close() error {
 
 	return nil
 }
+
+type bindAddr struct {
+	addr string
+}
+
+func (p *bindAddr) Network() string {
+	return "tcp"
+}
+
+func (p *bindAddr) String() string {
+	return p.addr
+}

listener/rudp/metadata.go

@@ -9,7 +9,7 @@ import (
 
 const (
 	defaultTTL            = 5 * time.Second
-	defaultReadBufferSize = 4096
+	defaultReadBufferSize = 1024
 	defaultReadQueueSize  = 1024
 	defaultBacklog        = 128
 )

listener/tun/listener.go

@@ -8,6 +8,7 @@ import (
 	"github.com/go-gost/core/listener"
 	"github.com/go-gost/core/logger"
 	mdata "github.com/go-gost/core/metadata"
+	"github.com/go-gost/core/router"
 	xnet "github.com/go-gost/x/internal/net"
 	limiter "github.com/go-gost/x/limiter/traffic/wrapper"
 	mdx "github.com/go-gost/x/metadata"
@@ -26,6 +27,7 @@ type tunListener struct {
 	logger  logger.Logger
 	md      metadata
 	options listener.Options
+	routes []*router.Route
 }
 
 func NewListener(opts ...listener.Option) listener.Listener {

listener/tun/metadata.go

@@ -4,9 +4,13 @@ import (
 	"net"
 	"strings"
 
+	"github.com/go-gost/core/logger"
 	mdata "github.com/go-gost/core/metadata"
 	mdutil "github.com/go-gost/core/metadata/util"
+	"github.com/go-gost/core/router"
 	tun_util "github.com/go-gost/x/internal/util/tun"
+	"github.com/go-gost/x/registry"
+	xrouter "github.com/go-gost/x/router"
 )
 
 const (
@@ -39,6 +43,7 @@ func (l *tunListener) parseMetadata(md mdata.Metadata) (err error) {
 		Name:   mdutil.GetString(md, name),
 		Peer:   mdutil.GetString(md, peer),
 		MTU:    mdutil.GetInt(md, mtu),
+		Router: registry.RouterRegistry().Get(mdutil.GetString(md, "router")),
 	}
 	if config.MTU <= 0 {
 		config.MTU = defaultMTU
@@ -62,35 +67,48 @@ func (l *tunListener) parseMetadata(md mdata.Metadata) (err error) {
 	}
 
 	for _, s := range strings.Split(mdutil.GetString(md, route), ",") {
-		var route tun_util.Route
 		_, ipNet, _ := net.ParseCIDR(strings.TrimSpace(s))
 		if ipNet == nil {
 			continue
 		}
-		route.Net = *ipNet
-		route.Gateway = config.Gateway
 
-		config.Routes = append(config.Routes, route)
+		l.routes = append(l.routes, &router.Route{
+			Net:     ipNet,
+			Gateway: config.Gateway,
+		})
 	}
 
 	for _, s := range mdutil.GetStrings(md, routes) {
 		ss := strings.SplitN(s, " ", 2)
 		if len(ss) == 2 {
-			var route tun_util.Route
+			var route router.Route
 			_, ipNet, _ := net.ParseCIDR(strings.TrimSpace(ss[0]))
 			if ipNet == nil {
 				continue
 			}
-			route.Net = *ipNet
+			route.Net = ipNet
-			route.Gateway = net.ParseIP(ss[1])
+			gw := net.ParseIP(ss[1])
-			if route.Gateway == nil {
+			if gw == nil {
-				route.Gateway = config.Gateway
+				gw = config.Gateway
 			}
 
-			config.Routes = append(config.Routes, route)
+			l.routes = append(l.routes, &router.Route{
+				Net:     ipNet,
+				Gateway: gw,
+			})
 		}
 	}
 
+	if config.Router == nil && len(l.routes) > 0 {
+		config.Router = xrouter.NewRouter(
+			xrouter.RoutesOption(l.routes),
+			xrouter.LoggerOption(logger.Default().WithFields(map[string]any{
+				"kind":   "router",
+				"router": "@internal",
+			})),
+		)
+	}
+
 	l.md.config = config
 
 	return

listener/tun/tun_darwin.go

@@ -6,8 +6,6 @@ import (
 	"net"
 	"os/exec"
 	"strings"
-
-	tun_util "github.com/go-gost/x/internal/util/tun"
 )
 
 const (
@@ -38,15 +36,15 @@ func (l *tunListener) createTun() (ifce io.ReadWriteCloser, name string, ip net.
 		ip = l.md.config.Net[0].IP
 	}
 
-	if err = l.addRoutes(name, l.md.config.Routes...); err != nil {
+	if err = l.addRoutes(name); err != nil {
 		return
 	}
 
 	return
 }
 
-func (l *tunListener) addRoutes(ifName string, routes ...tun_util.Route) error {
+func (l *tunListener) addRoutes(ifName string) error {
-	for _, route := range routes {
+	for _, route := range l.routes {
 		cmd := fmt.Sprintf("route add -net %s -interface %s", route.Net.String(), ifName)
 		l.logger.Debug(cmd)
 		args := strings.Split(cmd, " ")

listener/tun/tun_linux.go

@@ -6,8 +6,6 @@ import (
 	"net"
 
 	"github.com/vishvananda/netlink"
-
-	tun_util "github.com/go-gost/x/internal/util/tun"
 )
 
 func (l *tunListener) createTun() (dev io.ReadWriteCloser, name string, ip net.IP, err error) {
@@ -42,17 +40,17 @@ func (l *tunListener) createTun() (dev io.ReadWriteCloser, name string, ip net.I
 		return
 	}
 
-	if err = l.addRoutes(ifce, l.md.config.Routes...); err != nil {
+	if err = l.addRoutes(ifce); err != nil {
 		return
 	}
 
 	return
 }
 
-func (l *tunListener) addRoutes(ifce *net.Interface, routes ...tun_util.Route) error {
+func (l *tunListener) addRoutes(ifce *net.Interface) error {
-	for _, route := range routes {
+	for _, route := range l.routes {
 		r := netlink.Route{
-			Dst: &route.Net,
+			Dst: route.Net,
 			Gw:  route.Gateway,
 		}
 		if r.Gw == nil {

listener/tun/tun_unix.go

@@ -8,8 +8,6 @@ import (
 	"net"
 	"os/exec"
 	"strings"
-
-	tun_util "github.com/go-gost/x/internal/util/tun"
 )
 
 const (
@@ -38,15 +36,15 @@ func (l *tunListener) createTun() (ifce io.ReadWriteCloser, name string, ip net.
 		ip = l.md.config.Net[0].IP
 	}
 
-	if err = l.addRoutes(name, l.md.config.Routes...); err != nil {
+	if err = l.addRoutes(name); err != nil {
 		return
 	}
 
 	return
 }
 
-func (l *tunListener) addRoutes(ifName string, routes ...tun_util.Route) error {
+func (l *tunListener) addRoutes(ifName string) error {
-	for _, route := range routes {
+	for _, route := range l.routes {
 		cmd := fmt.Sprintf("route add -net %s -interface %s", route.Net.String(), ifName)
 		l.logger.Debug(cmd)
 		args := strings.Split(cmd, " ")

listener/tun/tun_windows.go

@@ -6,8 +6,6 @@ import (
 	"net"
 	"os/exec"
 	"strings"
-
-	tun_util "github.com/go-gost/x/internal/util/tun"
 )
 
 const (
@@ -38,15 +36,15 @@ func (l *tunListener) createTun() (ifce io.ReadWriteCloser, name string, ip net.
 		ip = ipNet.IP
 	}
 
-	if err = l.addRoutes(name, l.md.config.Gateway, l.md.config.Routes...); err != nil {
+	if err = l.addRoutes(name, l.md.config.Gateway); err != nil {
 		return
 	}
 
 	return
 }
 
-func (l *tunListener) addRoutes(ifName string, gw net.IP, routes ...tun_util.Route) error {
+func (l *tunListener) addRoutes(ifName string, gw net.IP) error {
-	for _, route := range routes {
+	for _, route := range l.routes {
 		l.deleteRoute(ifName, route.Net.String())
 
 		cmd := fmt.Sprintf("netsh interface ip add route prefix=%s interface=%s store=active",

logger/logger.go

@@ -10,28 +10,35 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-type LoggerOptions struct {
+type Options struct {
+	Name   string
 	Output io.Writer
 	Format logger.LogFormat
 	Level  logger.LogLevel
 }
 
-type LoggerOption func(opts *LoggerOptions)
+type Option func(opts *Options)
 
-func OutputLoggerOption(out io.Writer) LoggerOption {
+func NameOption(name string) Option {
-	return func(opts *LoggerOptions) {
+	return func(opts *Options) {
+		opts.Name = name
+	}
+}
+
+func OutputOption(out io.Writer) Option {
+	return func(opts *Options) {
 		opts.Output = out
 	}
 }
 
-func FormatLoggerOption(format logger.LogFormat) LoggerOption {
+func FormatOption(format logger.LogFormat) Option {
-	return func(opts *LoggerOptions) {
+	return func(opts *Options) {
 		opts.Format = format
 	}
 }
 
-func LevelLoggerOption(level logger.LogLevel) LoggerOption {
+func LevelOption(level logger.LogLevel) Option {
-	return func(opts *LoggerOptions) {
+	return func(opts *Options) {
 		opts.Level = level
 	}
 }
@@ -40,8 +47,8 @@ type logrusLogger struct {
 	logger *logrus.Entry
 }
 
-func NewLogger(opts ...LoggerOption) logger.Logger {
+func NewLogger(opts ...Option) logger.Logger {
-	var options LoggerOptions
+	var options Options
 	for _, opt := range opts {
 		opt(&options)
 	}

registry/ingress.go

@@ -30,19 +30,19 @@ type ingressWrapper struct {
 	r    *ingressRegistry
 }
 
-func (w *ingressWrapper) Get(ctx context.Context, host string, opts ...ingress.GetOption) string {
+func (w *ingressWrapper) GetRule(ctx context.Context, host string, opts ...ingress.Option) *ingress.Rule {
 	v := w.r.get(w.name)
 	if v == nil {
-		return ""
+		return nil
 	}
-	return v.Get(ctx, host, opts...)
+	return v.GetRule(ctx, host, opts...)
 }
 
-func (w *ingressWrapper) Set(ctx context.Context, host, endpoint string, opts ...ingress.SetOption) {
+func (w *ingressWrapper) SetRule(ctx context.Context, rule *ingress.Rule, opts ...ingress.Option) bool {
 	v := w.r.get(w.name)
 	if v == nil {
-		return
+		return false
 	}
 
-	v.Set(ctx, host, endpoint, opts...)
+	return v.SetRule(ctx, rule, opts...)
 }

registry/limiter.go

@@ -1,6 +1,8 @@
 package registry
 
 import (
+	"context"
+
 	"github.com/go-gost/core/limiter/conn"
 	"github.com/go-gost/core/limiter/rate"
 	"github.com/go-gost/core/limiter/traffic"
@@ -30,20 +32,20 @@ type trafficLimiterWrapper struct {
 	r    *trafficLimiterRegistry
 }
 
-func (w *trafficLimiterWrapper) In(key string) traffic.Limiter {
+func (w *trafficLimiterWrapper) In(ctx context.Context, key string, opts ...traffic.Option) traffic.Limiter {
 	v := w.r.get(w.name)
 	if v == nil {
 		return nil
 	}
-	return v.In(key)
+	return v.In(ctx, key, opts...)
 }
 
-func (w *trafficLimiterWrapper) Out(key string) traffic.Limiter {
+func (w *trafficLimiterWrapper) Out(ctx context.Context, key string, opts ...traffic.Option) traffic.Limiter {
 	v := w.r.get(w.name)
 	if v == nil {
 		return nil
 	}
-	return v.Out(key)
+	return v.Out(ctx, key, opts...)
 }
 
 type connLimiterRegistry struct {

registry/logger.go

@@ -0,0 +1,13 @@
+package registry
+
+import (
+	"github.com/go-gost/core/logger"
+)
+
+type loggerRegistry struct {
+	registry[logger.Logger]
+}
+
+func (r *loggerRegistry) Register(name string, v logger.Logger) error {
+	return r.registry.Register(name, v)
+}

registry/registry.go

@@ -15,9 +15,11 @@ import (
 	"github.com/go-gost/core/limiter/conn"
 	"github.com/go-gost/core/limiter/rate"
 	"github.com/go-gost/core/limiter/traffic"
+	"github.com/go-gost/core/logger"
 	"github.com/go-gost/core/recorder"
 	reg "github.com/go-gost/core/registry"
 	"github.com/go-gost/core/resolver"
+	"github.com/go-gost/core/router"
 	"github.com/go-gost/core/sd"
 	"github.com/go-gost/core/service"
 )
@@ -46,7 +48,10 @@ var (
 	rateLimiterReg    reg.Registry[rate.RateLimiter]       = new(rateLimiterRegistry)
 
 	ingressReg reg.Registry[ingress.Ingress] = new(ingressRegistry)
+	routerReg  reg.Registry[router.Router]   = new(routerRegistry)
 	sdReg      reg.Registry[sd.SD]           = new(sdRegistry)
+
+	loggerReg reg.Registry[logger.Logger] = new(loggerRegistry)
 )
 
 type registry[T any] struct {
@@ -166,6 +171,14 @@ func IngressRegistry() reg.Registry[ingress.Ingress] {
 	return ingressReg
 }
 
+func RouterRegistry() reg.Registry[router.Router] {
+	return routerReg
+}
+
 func SDRegistry() reg.Registry[sd.SD] {
 	return sdReg
 }
+
+func LoggerRegistry() reg.Registry[logger.Logger] {
+	return loggerReg
+}

registry/router.go

@@ -0,0 +1,40 @@
+package registry
+
+import (
+	"context"
+	"net"
+
+	"github.com/go-gost/core/router"
+)
+
+type routerRegistry struct {
+	registry[router.Router]
+}
+
+func (r *routerRegistry) Register(name string, v router.Router) error {
+	return r.registry.Register(name, v)
+}
+
+func (r *routerRegistry) Get(name string) router.Router {
+	if name != "" {
+		return &routerWrapper{name: name, r: r}
+	}
+	return nil
+}
+
+func (r *routerRegistry) get(name string) router.Router {
+	return r.registry.Get(name)
+}
+
+type routerWrapper struct {
+	name string
+	r    *routerRegistry
+}
+
+func (w *routerWrapper) GetRoute(ctx context.Context, dst net.IP, opts ...router.Option) *router.Route {
+	v := w.r.get(w.name)
+	if v == nil {
+		return nil
+	}
+	return v.GetRoute(ctx, dst, opts...)
+}

resolver/plugin.go

@@ -13,8 +13,8 @@ import (
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/core/resolver"
 	"github.com/go-gost/plugin/resolver/proto"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	"github.com/go-gost/x/internal/plugin"
-	auth_util "github.com/go-gost/x/internal/util/auth"
 	"google.golang.org/grpc"
 )
 
@@ -60,7 +60,7 @@ func (p *grpcPlugin) Resolve(ctx context.Context, network, host string, opts ...
 		&proto.ResolveRequest{
 			Network: network,
 			Host:    host,
-			Client:  string(auth_util.IDFromContext(ctx)),
+			Client:  string(ctxvalue.ClientIDFromContext(ctx)),
 		})
 	if err != nil {
 		p.log.Error(err)
@@ -127,7 +127,7 @@ func (p *httpPlugin) Resolve(ctx context.Context, network, host string, opts ...
 	rb := httpPluginRequest{
 		Network: network,
 		Host:    host,
-		Client:  string(auth_util.IDFromContext(ctx)),
+		Client:  string(ctxvalue.ClientIDFromContext(ctx)),
 	}
 	v, err := json.Marshal(&rb)
 	if err != nil {

router/plugin.go

@@ -0,0 +1,141 @@
+package router
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+	"net"
+	"net/http"
+
+	"github.com/go-gost/core/logger"
+	"github.com/go-gost/core/router"
+	"github.com/go-gost/plugin/router/proto"
+	"github.com/go-gost/x/internal/plugin"
+	"google.golang.org/grpc"
+)
+
+type grpcPlugin struct {
+	conn   grpc.ClientConnInterface
+	client proto.RouterClient
+	log    logger.Logger
+}
+
+// NewGRPCPlugin creates an Router plugin based on gRPC.
+func NewGRPCPlugin(name string, addr string, opts ...plugin.Option) router.Router {
+	var options plugin.Options
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	log := logger.Default().WithFields(map[string]any{
+		"kind":   "router",
+		"router": name,
+	})
+	conn, err := plugin.NewGRPCConn(addr, &options)
+	if err != nil {
+		log.Error(err)
+	}
+
+	p := &grpcPlugin{
+		conn: conn,
+		log:  log,
+	}
+	if conn != nil {
+		p.client = proto.NewRouterClient(conn)
+	}
+	return p
+}
+
+func (p *grpcPlugin) GetRoute(ctx context.Context, dst net.IP, opts ...router.Option) *router.Route {
+	if p.client == nil {
+		return nil
+	}
+
+	r, err := p.client.GetRoute(ctx,
+		&proto.GetRouteRequest{
+			Dst: dst.String(),
+		})
+	if err != nil {
+		p.log.Error(err)
+		return nil
+	}
+
+	return ParseRoute(r.Net, r.Gateway)
+}
+
+func (p *grpcPlugin) Close() error {
+	if closer, ok := p.conn.(io.Closer); ok {
+		return closer.Close()
+	}
+	return nil
+}
+
+type httpPluginGetRouteRequest struct {
+	Dst string `json:"dst"`
+}
+
+type httpPluginGetRouteResponse struct {
+	Net     string `json:"net"`
+	Gateway string `json:"gateway"`
+}
+
+type httpPlugin struct {
+	url    string
+	client *http.Client
+	header http.Header
+	log    logger.Logger
+}
+
+// NewHTTPPlugin creates an Router plugin based on HTTP.
+func NewHTTPPlugin(name string, url string, opts ...plugin.Option) router.Router {
+	var options plugin.Options
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	return &httpPlugin{
+		url:    url,
+		client: plugin.NewHTTPClient(&options),
+		header: options.Header,
+		log: logger.Default().WithFields(map[string]any{
+			"kind":   "router",
+			"router": name,
+		}),
+	}
+}
+
+func (p *httpPlugin) GetRoute(ctx context.Context, dst net.IP, opts ...router.Option) *router.Route {
+	if p.client == nil {
+		return nil
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, p.url, nil)
+	if err != nil {
+		return nil
+	}
+	if p.header != nil {
+		req.Header = p.header.Clone()
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	q := req.URL.Query()
+	q.Set("dst", dst.String())
+	req.URL.RawQuery = q.Encode()
+
+	resp, err := p.client.Do(req)
+	if err != nil {
+		return nil
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return nil
+	}
+
+	res := httpPluginGetRouteResponse{}
+	if err := json.NewDecoder(resp.Body).Decode(&res); err != nil {
+		return nil
+	}
+
+	return ParseRoute(res.Net, res.Gateway)
+}

router/router.go

@@ -0,0 +1,261 @@
+package router
+
+import (
+	"bufio"
+	"context"
+	"io"
+	"net"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/go-gost/core/logger"
+	"github.com/go-gost/core/router"
+	"github.com/go-gost/x/internal/loader"
+)
+
+type options struct {
+	routes      []*router.Route
+	fileLoader  loader.Loader
+	redisLoader loader.Loader
+	httpLoader  loader.Loader
+	period      time.Duration
+	logger      logger.Logger
+}
+
+type Option func(opts *options)
+
+func RoutesOption(routes []*router.Route) Option {
+	return func(opts *options) {
+		opts.routes = routes
+	}
+}
+
+func ReloadPeriodOption(period time.Duration) Option {
+	return func(opts *options) {
+		opts.period = period
+	}
+}
+
+func FileLoaderOption(fileLoader loader.Loader) Option {
+	return func(opts *options) {
+		opts.fileLoader = fileLoader
+	}
+}
+
+func RedisLoaderOption(redisLoader loader.Loader) Option {
+	return func(opts *options) {
+		opts.redisLoader = redisLoader
+	}
+}
+
+func HTTPLoaderOption(httpLoader loader.Loader) Option {
+	return func(opts *options) {
+		opts.httpLoader = httpLoader
+	}
+}
+
+func LoggerOption(logger logger.Logger) Option {
+	return func(opts *options) {
+		opts.logger = logger
+	}
+}
+
+type localRouter struct {
+	routes     []*router.Route
+	cancelFunc context.CancelFunc
+	options    options
+	mu         sync.RWMutex
+}
+
+// NewRouter creates and initializes a new Router.
+func NewRouter(opts ...Option) router.Router {
+	var options options
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	ctx, cancel := context.WithCancel(context.TODO())
+
+	r := &localRouter{
+		cancelFunc: cancel,
+		options:    options,
+	}
+
+	if err := r.reload(ctx); err != nil {
+		options.logger.Warnf("reload: %v", err)
+	}
+	if r.options.period > 0 {
+		go r.periodReload(ctx)
+	}
+
+	return r
+}
+
+func (p *localRouter) periodReload(ctx context.Context) error {
+	period := p.options.period
+	if period < time.Second {
+		period = time.Second
+	}
+	ticker := time.NewTicker(period)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ticker.C:
+			if err := p.reload(ctx); err != nil {
+				p.options.logger.Warnf("reload: %v", err)
+				// return err
+			}
+		case <-ctx.Done():
+			return ctx.Err()
+		}
+	}
+}
+
+func (r *localRouter) reload(ctx context.Context) error {
+	routes := r.options.routes
+
+	v, err := r.load(ctx)
+	if err != nil {
+		return err
+	}
+	routes = append(routes, v...)
+
+	r.mu.Lock()
+	defer r.mu.Unlock()
+
+	r.routes = routes
+
+	return nil
+}
+
+func (p *localRouter) load(ctx context.Context) (routes []*router.Route, err error) {
+	if p.options.fileLoader != nil {
+		if lister, ok := p.options.fileLoader.(loader.Lister); ok {
+			list, er := lister.List(ctx)
+			if er != nil {
+				p.options.logger.Warnf("file loader: %v", er)
+			}
+			for _, s := range list {
+				routes = append(routes, p.parseLine(s))
+			}
+		} else {
+			fr, er := p.options.fileLoader.Load(ctx)
+			if er != nil {
+				p.options.logger.Warnf("file loader: %v", er)
+			}
+			if v, _ := p.parseRoutes(fr); v != nil {
+				routes = append(routes, v...)
+			}
+		}
+	}
+	if p.options.redisLoader != nil {
+		if lister, ok := p.options.redisLoader.(loader.Lister); ok {
+			list, er := lister.List(ctx)
+			if er != nil {
+				p.options.logger.Warnf("redis loader: %v", er)
+			}
+			for _, v := range list {
+				routes = append(routes, p.parseLine(v))
+			}
+		} else {
+			r, er := p.options.redisLoader.Load(ctx)
+			if er != nil {
+				p.options.logger.Warnf("redis loader: %v", er)
+			}
+			v, _ := p.parseRoutes(r)
+			routes = append(routes, v...)
+		}
+	}
+	if p.options.httpLoader != nil {
+		r, er := p.options.httpLoader.Load(ctx)
+		if er != nil {
+			p.options.logger.Warnf("http loader: %v", er)
+		}
+		v, _ := p.parseRoutes(r)
+		routes = append(routes, v...)
+	}
+
+	p.options.logger.Debugf("load items %d", len(routes))
+	return
+}
+
+func (p *localRouter) parseRoutes(r io.Reader) (routes []*router.Route, err error) {
+	if r == nil {
+		return
+	}
+
+	scanner := bufio.NewScanner(r)
+	for scanner.Scan() {
+		if route := p.parseLine(scanner.Text()); route != nil {
+			routes = append(routes, route)
+		}
+	}
+
+	err = scanner.Err()
+	return
+}
+
+func (p *localRouter) GetRoute(ctx context.Context, dst net.IP, opts ...router.Option) *router.Route {
+	if dst == nil || p == nil {
+		return nil
+	}
+
+	p.mu.RLock()
+	routes := p.routes
+	p.mu.RUnlock()
+
+	for _, route := range routes {
+		if route.Net != nil && route.Net.Contains(dst) {
+			return route
+		}
+	}
+	return nil
+}
+
+func (*localRouter) parseLine(s string) (route *router.Route) {
+	line := strings.Replace(s, "\t", " ", -1)
+	line = strings.TrimSpace(line)
+	if n := strings.IndexByte(line, '#'); n >= 0 {
+		line = line[:n]
+	}
+	var sp []string
+	for _, s := range strings.Split(line, " ") {
+		if s = strings.TrimSpace(s); s != "" {
+			sp = append(sp, s)
+		}
+	}
+	if len(sp) < 2 {
+		return // invalid lines are ignored
+	}
+
+	return ParseRoute(sp[0], sp[1])
+}
+
+func (p *localRouter) Close() error {
+	p.cancelFunc()
+	if p.options.fileLoader != nil {
+		p.options.fileLoader.Close()
+	}
+	if p.options.redisLoader != nil {
+		p.options.redisLoader.Close()
+	}
+	return nil
+}
+
+func ParseRoute(dst string, gateway string) *router.Route {
+	_, ipNet, _ := net.ParseCIDR(dst)
+	if ipNet == nil {
+		return nil
+	}
+	gw := net.ParseIP(gateway)
+	if gw == nil {
+		return nil
+	}
+
+	return &router.Route{
+		Net:     ipNet,
+		Gateway: gw,
+	}
+}

selector/strategy.go

@@ -12,7 +12,7 @@ import (
 	"github.com/go-gost/core/metadata"
 	mdutil "github.com/go-gost/core/metadata/util"
 	"github.com/go-gost/core/selector"
-	sx "github.com/go-gost/x/internal/util/selector"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 )
 
 type roundRobinStrategy[T any] struct {
@@ -102,7 +102,7 @@ func (s *hashStrategy[T]) Apply(ctx context.Context, vs ...T) (v T) {
 	if len(vs) == 0 {
 		return
 	}
-	if h := sx.HashFromContext(ctx); h != nil {
+	if h := ctxvalue.HashFromContext(ctx); h != nil {
 		value := uint64(crc32.ChecksumIEEE([]byte(h.Source)))
 		logger.Default().Tracef("hash %s %d", h.Source, value)
 		return vs[value%uint64(len(vs))]

service/service.go

@@ -15,7 +15,7 @@ import (
 	"github.com/go-gost/core/metrics"
 	"github.com/go-gost/core/recorder"
 	"github.com/go-gost/core/service"
-	sx "github.com/go-gost/x/internal/util/selector"
+	ctxvalue "github.com/go-gost/x/internal/ctx"
 	xmetrics "github.com/go-gost/x/metrics"
 	"github.com/rs/xid"
 )
@@ -145,20 +145,26 @@ func (s *defaultService) Serve() error {
 		}
 		tempDelay = 0
 
-		host := conn.RemoteAddr().String()
+		clientAddr := conn.RemoteAddr().String()
-		if h, _, _ := net.SplitHostPort(host); h != "" {
+		clientIP := clientAddr
-			host = h
+		if h, _, _ := net.SplitHostPort(clientAddr); h != "" {
+			clientIP = h
 		}
+
+		ctx := ctxvalue.ContextWithSid(context.Background(), ctxvalue.Sid(xid.New().String()))
+		ctx = ctxvalue.ContextWithClientAddr(ctx, ctxvalue.ClientAddr(clientAddr))
+		ctx = ctxvalue.ContextWithHash(ctx, &ctxvalue.Hash{Source: clientIP})
+
 		for _, rec := range s.options.recorders {
 			if rec.Record == recorder.RecorderServiceClientAddress {
-				if err := rec.Recorder.Record(context.Background(), []byte(host)); err != nil {
+				if err := rec.Recorder.Record(ctx, []byte(clientIP)); err != nil {
 					s.options.logger.Errorf("record %s: %v", rec.Record, err)
 				}
 				break
 			}
 		}
 		if s.options.admission != nil &&
-			!s.options.admission.Admit(context.Background(), conn.RemoteAddr().String()) {
+			!s.options.admission.Admit(ctx, conn.RemoteAddr().String()) {
 			conn.Close()
 			s.options.logger.Debugf("admission: %s is denied", conn.RemoteAddr())
 			continue
@@ -166,12 +172,12 @@ func (s *defaultService) Serve() error {
 
 		go func() {
 			if v := xmetrics.GetCounter(xmetrics.MetricServiceRequestsCounter,
-				metrics.Labels{"service": s.name, "client": host}); v != nil {
+				metrics.Labels{"service": s.name, "client": clientIP}); v != nil {
 				v.Inc()
 			}
 
 			if v := xmetrics.GetGauge(xmetrics.MetricServiceRequestsInFlightGauge,
-				metrics.Labels{"service": s.name, "client": host}); v != nil {
+				metrics.Labels{"service": s.name, "client": clientIP}); v != nil {
 				v.Inc()
 				defer v.Dec()
 			}
@@ -184,13 +190,10 @@ func (s *defaultService) Serve() error {
 				}()
 			}
 
-			ctx := sx.ContextWithHash(context.Background(), &sx.Hash{Source: host})
-			ctx = ContextWithSid(ctx, xid.New().String())
-
 			if err := s.handler.Handle(ctx, conn); err != nil {
 				s.options.logger.Error(err)
 				if v := xmetrics.GetCounter(xmetrics.MetricServiceHandlerErrorsCounter,
-					metrics.Labels{"service": s.name, "client": host}); v != nil {
+					metrics.Labels{"service": s.name, "client": clientIP}); v != nil {
 					v.Inc()
 				}
 			}
@@ -211,18 +214,3 @@ func (s *defaultService) execCmds(phase string, cmds []string) {
 		}
 	}
 }
-
-type sidKey struct{}
-
-var (
-	ssid sidKey
-)
-
-func ContextWithSid(ctx context.Context, sid string) context.Context {
-	return context.WithValue(ctx, ssid, sid)
-}
-
-func SidFromContext(ctx context.Context) string {
-	v, _ := ctx.Value(ssid).(string)
-	return v
-}

util/utls.go

@@ -0,0 +1,76 @@
+package util
+
+import tls "github.com/refraction-networking/utls"
+
+func NewWsSpec() *tls.ClientHelloSpec {
+	return &tls.ClientHelloSpec{
+		CipherSuites: []uint16{
+			tls.GREASE_PLACEHOLDER,
+			tls.TLS_AES_128_GCM_SHA256,
+			tls.TLS_AES_256_GCM_SHA384,
+			tls.TLS_CHACHA20_POLY1305_SHA256,
+			tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
+			tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
+			tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
+			tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
+			tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
+			tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
+			tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
+			tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
+			tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
+			tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
+			tls.TLS_RSA_WITH_AES_128_CBC_SHA,
+			tls.TLS_RSA_WITH_AES_256_CBC_SHA,
+		},
+		CompressionMethods: []byte{
+			0x00, // compressionNone
+		},
+		Extensions: []tls.TLSExtension{
+			&tls.UtlsGREASEExtension{},
+			&tls.SNIExtension{},
+			&tls.ExtendedMasterSecretExtension{},
+			&tls.RenegotiationInfoExtension{Renegotiation: tls.RenegotiateOnceAsClient},
+			&tls.SupportedCurvesExtension{[]tls.CurveID{
+				tls.GREASE_PLACEHOLDER,
+				tls.X25519,
+				tls.CurveP256,
+				tls.CurveP384,
+			}},
+			&tls.SupportedPointsExtension{SupportedPoints: []byte{
+				0x00, // pointFormatUncompressed
+			}},
+			&tls.SessionTicketExtension{},
+			&tls.ALPNExtension{AlpnProtocols: []string{"http/1.1"}},
+			&tls.StatusRequestExtension{},
+			&tls.SignatureAlgorithmsExtension{SupportedSignatureAlgorithms: []tls.SignatureScheme{
+				tls.ECDSAWithP256AndSHA256,
+				tls.PSSWithSHA256,
+				tls.PKCS1WithSHA256,
+				tls.ECDSAWithP384AndSHA384,
+				tls.PSSWithSHA384,
+				tls.PKCS1WithSHA384,
+				tls.PSSWithSHA512,
+				tls.PKCS1WithSHA512,
+			}},
+			&tls.SCTExtension{},
+			&tls.KeyShareExtension{[]tls.KeyShare{
+				{Group: tls.CurveID(tls.GREASE_PLACEHOLDER), Data: []byte{0}},
+				{Group: tls.X25519},
+			}},
+			&tls.PSKKeyExchangeModesExtension{[]uint8{
+				tls.PskModeDHE,
+			}},
+			&tls.SupportedVersionsExtension{[]uint16{
+				tls.GREASE_PLACEHOLDER,
+				tls.VersionTLS13,
+				tls.VersionTLS12,
+			}},
+			&tls.UtlsCompressCertExtension{[]tls.CertCompressionAlgo{
+				tls.CertCompressionBrotli,
+			}},
+			&tls.ApplicationSettingsExtension{SupportedProtocols: []string{"h2"}},
+			&tls.UtlsGREASEExtension{},
+			&tls.UtlsPaddingExtension{GetPaddingLen: tls.BoringPaddingStyle},
+		},
+	}
+}