46 changed files with 651 additions and 3714 deletions
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@ -1,19 +0,0 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
-version: 2
-updates:
-
-  # Maintain dependencies for GitHub Actions
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "daily"
-
-  # Maintain dependencies for Golang
-  - package-ecosystem: "gomod"
-    directory: "/"
-    schedule:
-      interval: "daily"
--- a/.github/renovate.json
+++ b/.github/renovate.json
@ -0,0 +1,19 @@
+{
+  "extends": [
+    "config:base"
+  ],
+  "packageRules": [
+    {
+      "matchUpdateTypes": ["minor", "patch", "pin", "digest"],
+      "automerge": true
+    },
+    {
+      "groupName": "all deps",
+      "separateMajorMinor": true,
+      "groupSlug": "all",
+      "packagePatterns": [
+        "*"
+      ]
+    }
+  ]
+}
--- a/.github/stale.sh
+++ b/.github/stale.sh
@ -0,0 +1,13 @@
+#!/bin/bash -ex
+
+export PATH=$PATH:$(pwd)/bin
+export GO111MODULE=on
+export GOBIN=$(pwd)/bin
+
+#go get github.com/rvflash/goup@v0.4.1
+
+#goup -v ./...
+#go get github.com/psampaz/go-mod-outdated@v0.6.0
+go list -u -m -mod=mod -json all | go-mod-outdated -update -direct -ci || true
+
+#go list -u -m -json all | go-mod-outdated -update
--- a/.github/workflows/autoapprove.yml
+++ b/.github/workflows/autoapprove.yml
@ -1,20 +0,0 @@
-name: "autoapprove"
-
-on:
-  pull_request_target:
-    types: [assigned, opened, synchronize, reopened]
-
-permissions:
-  pull-requests: write
-  contents: write
-
-jobs:
-  autoapprove:
-    runs-on: ubuntu-latest
-    steps:
-      - name: approve
-        uses: hmarr/auto-approve-action@v3
-        if: github.actor == 'vtolstov' || github.actor == 'dependabot[bot]'
-        id: approve
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
--- a/.github/workflows/automerge.yml
+++ b/.github/workflows/automerge.yml
@ -1,21 +0,0 @@
-name: "automerge"
-
-on:
-  pull_request_target:
-    types: [assigned, opened, synchronize, reopened]
-
-permissions:
-  pull-requests: write
-  contents: write
-
-jobs:
-  automerge:
-    runs-on: ubuntu-latest
-    if: github.actor == 'vtolstov'
-    steps:
-      - name: merge
-        id: merge
-        run: gh pr merge --auto --merge "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.TOKEN}}
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@ -3,20 +3,19 @@ on:
 push:
    branches:
    - master
-    - v3
 jobs:
  test:
    name: test
    runs-on: ubuntu-latest
    steps:
    - name: setup
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@v2
      with:
-        go-version: 1.17
+        go-version: 1.16
    - name: checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v2
    - name: cache
-      uses: actions/cache@v3
+      uses: actions/cache@v2
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@ -32,9 +31,9 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
      - name: lint
-        uses: golangci/golangci-lint-action@v3.4.0
+        uses: golangci/golangci-lint-action@v2
        continue-on-error: true
        with:
          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@ -1,78 +0,0 @@
-# For most projects, this workflow file will not need changing; you simply need
-# to commit it to your repository.
-#
-# You may wish to alter this file to override the set of languages analyzed,
-# or to provide custom queries or build logic.
-#
-# ******** NOTE ********
-# We have attempted to detect the languages in your repository. Please check
-# the `language` matrix defined below to confirm you have the correct set of
-# supported CodeQL languages.
-#
-name: "codeql"
-
-on:
-  workflow_run:
-    workflows: ["prbuild"]
-    types:
-      - completed
-  push:
-    branches: [ master, v3 ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ master, v3 ]
-  schedule:
-    - cron: '34 1 * * 0'
-
-jobs:
-  analyze:
-    name: analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'go' ]
-        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
-        # Learn more:
-        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
-
-    steps:
-    - name: checkout
-      uses: actions/checkout@v3
-    - name: setup
-      uses: actions/setup-go@v3
-      with:
-        go-version: 1.17
-    # Initializes the CodeQL tools for scanning.
-    - name: init
-      uses: github/codeql-action/init@v2
-      with:
-        languages: ${{ matrix.language }}
-        # If you wish to specify custom queries, you can do so here or in a config file.
-        # By default, queries listed here will override any specified in a config file.
-        # Prefix the list here with "+" to use these queries and those in the config file.
-        # queries: ./path/to/local/query, your-org/your-repo/queries@main
-
-    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
-    # If this step fails, then you should remove it and run the build manually (see below)
-    - name: autobuild
-      uses: github/codeql-action/autobuild@v2
-
-    # ℹ️ Command-line programs to run using the OS shell.
-    # 📚 https://git.io/JvXDl
-
-    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
-    #    and modify them (or add more) to build your code if your project
-    #    uses a compiled language
-
-    #- run: |
-    #   make bootstrap
-    #   make release
-
-    - name: analyze
-      uses: github/codeql-action/analyze@v2
--- a/.github/workflows/dependabot-automerge.yml
+++ b/.github/workflows/dependabot-automerge.yml
@ -1,27 +0,0 @@
-name: "dependabot-automerge"
-
-on:
-  pull_request_target:
-    types: [assigned, opened, synchronize, reopened]
-
-permissions:
-  pull-requests: write
-  contents: write
-
-jobs:
-  automerge:
-    runs-on: ubuntu-latest
-    if: github.actor == 'dependabot[bot]'
-    steps:
-      - name: metadata
-        id: metadata
-        uses: dependabot/fetch-metadata@v1.3.6
-        with:
-          github-token: "${{ secrets.TOKEN }}"
-      - name: merge
-        id: merge
-        if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
-        run: gh pr merge --auto --merge "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.TOKEN}}
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@ -3,20 +3,19 @@ on:
  pull_request:
    branches:
    - master
-    - v3
 jobs:
  test:
    name: test
    runs-on: ubuntu-latest
    steps:
    - name: setup
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@v2
      with:
-        go-version: 1.17
+        go-version: 1.16
    - name: checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v2
    - name: cache
-      uses: actions/cache@v3
+      uses: actions/cache@v2
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@ -32,9 +31,9 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
      - name: lint
-        uses: golangci/golangci-lint-action@v3.4.0
+        uses: golangci/golangci-lint-action@v2
        continue-on-error: true
        with:
          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
--- a/.gitignore
+++ b/.gitignore
@ -1,24 +0,0 @@
-# Binaries for programs and plugins
-*.exe
-*.exe~
-*.dll
-*.so
-*.dylib
-bin
-
-# Test binary, built with `go test -c`
-*.test
-
-# Output of the go coverage tool, specifically when used with LiteIDE
-*.out
-
-# Dependency directories (remove the comment below to include it)
-# vendor/
-
-# Go workspace file
-go.work
-
-# General
-.DS_Store
-.idea
-.vscode
--- a/.golangci.yml
+++ b/.golangci.yml
@ -1,44 +0,0 @@
-run:
-  concurrency: 4
-  deadline: 5m
-  issues-exit-code: 1
-  tests: true
-
-linters-settings:
-  govet:
-    check-shadowing: true
-    enable:
-      - fieldalignment
-
-linters:
-  enable:
-    - govet
-    - deadcode
-    - errcheck
-    - govet
-    - ineffassign
-    - staticcheck
-    - structcheck
-    - typecheck
-    - unused
-    - varcheck
-    - bodyclose
-    - gci
-    - goconst
-    - gocritic
-    - gosimple
-    - gofmt
-    - gofumpt
-    - goimports
-    - golint
-    - gosec
-    - makezero
-    - misspell
-    - nakedret
-    - nestif
-    - nilerr
-    - noctx
-    - prealloc
-    - unconvert
-    - unparam
-  disable-all: false
--- a/README.md
+++ b/README.md
@ -9,8 +9,8 @@ to create a HTTP Server that could potentially be used for REST based API servic
 import (
 	"net/http"

-	"go.unistack.org/micro/v4/server"
-	httpServer "go.unistack.org/micro-server-http/v4"
+	"github.com/unistack-org/micro/v3/server"
+	httpServer "github.com/unistack-org/micro-server-http"
 )

 func main() {
@ -37,9 +37,9 @@ Or as part of a service
 import (
 	"net/http"

-	"go.unistack.org/micro/v4"
-	"go.unistack.org/micro/v4/server"
-	httpServer "go.unistack.org/micro-server-http/v4"
+	"github.com/unistack-org/micro/v3"
+	"github.com/unistack-org/micro/v3/server"
+	httpServer "github.com/unistack-org/micro-server-http"
 )

 func main() {
--- a/go.mod
+++ b/go.mod
@ -1,25 +1,10 @@
-module go.unistack.org/micro-server-http/v4
+module github.com/unistack-org/micro-server-http/v3

-go 1.19
+go 1.13

 require (
-	go.unistack.org/micro-codec-yaml/v4 v4.0.0
-	go.unistack.org/micro-proto/v4 v4.0.1
-	go.unistack.org/micro/v4 v4.0.17
-	go.unistack.org/protoc-gen-go-micro/v4 v4.0.13
-	golang.org/x/net v0.22.0
+	github.com/unistack-org/micro/v3 v3.2.14
+	golang.org/x/net v0.0.0-20210224082022-3d97a244fca7
 )

-require (
-	github.com/fatih/structtag v1.2.0 // indirect
-	github.com/golang/protobuf v1.5.4 // indirect
-	github.com/google/gnostic v0.7.0 // indirect
-	github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 // indirect
-	golang.org/x/mod v0.16.0 // indirect
-	golang.org/x/sys v0.18.0 // indirect
-	golang.org/x/tools v0.19.0 // indirect
-	google.golang.org/protobuf v1.33.0 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
-	sigs.k8s.io/yaml v1.4.0 // indirect
-)
+//replace github.com/unistack-org/micro/v3 => ../../micro
--- a/go.sum
+++ b/go.sum
--- a/handler.go
+++ b/handler.go
@ -7,41 +7,47 @@ import (
 	"net/http"
 	"reflect"
 	"strings"
-	"sync"

-	"go.unistack.org/micro/v4/errors"
-	"go.unistack.org/micro/v4/logger"
-	"go.unistack.org/micro/v4/metadata"
-	"go.unistack.org/micro/v4/register"
-	"go.unistack.org/micro/v4/server"
-	rhttp "go.unistack.org/micro/v4/util/http"
-	rflutil "go.unistack.org/micro/v4/util/reflect"
+	"github.com/unistack-org/micro/v3/codec"
+	"github.com/unistack-org/micro/v3/errors"
+	"github.com/unistack-org/micro/v3/logger"
+	"github.com/unistack-org/micro/v3/metadata"
+	"github.com/unistack-org/micro/v3/register"
+	"github.com/unistack-org/micro/v3/server"
+	rflutil "github.com/unistack-org/micro/v3/util/reflect"
+	rutil "github.com/unistack-org/micro/v3/util/router"
 )

 var (
-	DefaultErrorHandler = func(ctx context.Context, s interface{}, w http.ResponseWriter, r *http.Request, err error, status int) {
+	DefaultErrorHandler = func(ctx context.Context, s server.Handler, w http.ResponseWriter, r *http.Request, err error, status int) {
 		w.WriteHeader(status)
-		if _, cerr := w.Write([]byte(err.Error())); cerr != nil {
-			logger.DefaultLogger.Error(ctx, fmt.Sprintf("write failed: %v", cerr))
-		}
+		w.Write([]byte(err.Error()))
 	}
 	DefaultContentType = "application/json"
 )

 type patHandler struct {
+	pat   rutil.Pattern
 	mtype *methodType
-	rcvr  reflect.Value
 	name  string
+	rcvr  reflect.Value
 }

 type httpHandler struct {
-	opts     server.HandleOptions
-	hd       interface{}
-	handlers *rhttp.Trie
-	name     string
-	eps      []*register.Endpoint
-	sopts    server.Options
-	sync.RWMutex
+	name         string
+	opts         server.HandlerOptions
+	sopts        server.Options
+	eps          []*register.Endpoint
+	hd           interface{}
+	handlers     map[string][]patHandler
+	errorHandler func(context.Context, server.Handler, http.ResponseWriter, *http.Request, error, int)
+}
+
+func (h *httpHandler) newCodec(ct string) (codec.Codec, error) {
+	if cf, ok := h.sopts.Codecs[ct]; ok {
+		return cf, nil
+	}
+	return nil, codec.ErrUnknownContentType
 }

 func (h *httpHandler) Name() string {
@ -56,405 +62,82 @@ func (h *httpHandler) Endpoints() []*register.Endpoint {
 	return h.eps
 }

-func (h *httpHandler) Options() server.HandleOptions {
+func (h *httpHandler) Options() server.HandlerOptions {
 	return h.opts
 }

-func (h *Server) HTTPHandlerFunc(handler interface{}) (http.HandlerFunc, error) {
-	if handler == nil {
-		return nil, fmt.Errorf("invalid handler specified: %v", handler)
-	}
+func (h *httpHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()

-	rtype := reflect.TypeOf(handler)
-	if rtype.NumIn() != 3 {
-		return nil, fmt.Errorf("invalid handler, NumIn != 3: %v", rtype.NumIn())
-	}
-
-	argType := rtype.In(1)
-	replyType := rtype.In(2)
-
-	// First arg need not be a pointer.
-	if !isExportedOrBuiltinType(argType) {
-		return nil, fmt.Errorf("invalid handler, argument type not exported: %v", argType)
-	}
-
-	if replyType.Kind() != reflect.Ptr {
-		return nil, fmt.Errorf("invalid handler, reply type not a pointer: %v", replyType)
-	}
-
-	// Reply type must be exported.
-	if !isExportedOrBuiltinType(replyType) {
-		return nil, fmt.Errorf("invalid handler, reply type not exported: %v", replyType)
-	}
-
-	if rtype.NumOut() != 1 {
-		return nil, fmt.Errorf("invalid handler, has wrong number of outs: %v", rtype.NumOut())
-	}
-
-	// The return type of the method must be error.
-	if returnType := rtype.Out(0); returnType != typeOfError {
-		return nil, fmt.Errorf("invalid handler, returns %v not error", returnType.String())
-	}
-
-	return func(w http.ResponseWriter, r *http.Request) {
-		ct := DefaultContentType
-		if htype := r.Header.Get(metadata.HeaderContentType); htype != "" {
-			ct = htype
-		}
-
-		ctx := context.WithValue(r.Context(), rspCodeKey{}, &rspCodeVal{})
-		ctx = context.WithValue(ctx, rspHeaderKey{}, &rspHeaderVal{})
-		md, ok := metadata.FromIncomingContext(ctx)
-		if !ok {
-			md = metadata.New(len(r.Header) + 8)
-		}
-		for k, v := range r.Header {
-			md[k] = v[0]
-		}
-		md["RemoteAddr"] = r.RemoteAddr
-		md["Method"] = r.Method
-		md["URL"] = r.URL.String()
-		md["Proto"] = r.Proto
-		md["Content-Length"] = fmt.Sprintf("%d", r.ContentLength)
-		md["Transfer-Encoding"] = r.TransferEncoding[0]
-		md["Host"] = r.Host
-		md["RequestURI"] = r.RequestURI
-		if r.TLS != nil {
-			md["TLS"] = "true"
-			md["TLS-ALPN"] = r.TLS.NegotiatedProtocol
-			md["TLS-ServerName"] = r.TLS.ServerName
-		}
-
-		ctx = metadata.NewIncomingContext(ctx, md)
-
-		path := r.URL.Path
-
-		if r.Body != nil {
-			defer r.Body.Close()
-		}
-
-		matches := make(map[string]interface{})
-		var match bool
-		var hldr *patHandler
-		var handler *httpHandler
-
-		for _, shdlr := range h.handlers {
-			hdlr := shdlr.(*httpHandler)
-			fh, mp, err := hdlr.handlers.Search(r.Method, path)
-			if err == nil {
-				match = true
-				for k, v := range mp {
-					matches[k] = v
-				}
-				hldr = fh.(*patHandler)
-				handler = hdlr
-				break
-			} else if err == rhttp.ErrMethodNotAllowed && !h.registerRPC {
-				w.WriteHeader(http.StatusMethodNotAllowed)
-				_, _ = w.Write([]byte("not matching route found"))
-				return
-			}
-		}
-
-		if !match && h.registerRPC {
-			microMethod, mok := md.Get(metadata.HeaderEndpoint)
-			if mok {
-				serviceMethod := strings.Split(microMethod, ".")
-				if len(serviceMethod) == 2 {
-					if shdlr, ok := h.handlers[serviceMethod[0]]; ok {
-						hdlr := shdlr.(*httpHandler)
-						fh, mp, err := hdlr.handlers.Search(http.MethodPost, "/"+microMethod)
-						if err == nil {
-							match = true
-							for k, v := range mp {
-								matches[k] = v
-							}
-							hldr = fh.(*patHandler)
-							handler = hdlr
-						}
-					}
-				}
-			}
-		}
-
-		// get fields from url values
-		if len(r.URL.RawQuery) > 0 {
-			umd, cerr := rflutil.URLMap(r.URL.RawQuery)
-			if cerr != nil {
-				w.WriteHeader(http.StatusInternalServerError)
-				_, _ = w.Write([]byte(cerr.Error()))
-				return
-			}
-			for k, v := range umd {
-				matches[k] = v
-			}
-		}
-
-		cf, err := h.newCodec(ct)
-		if err != nil {
-			w.WriteHeader(http.StatusBadRequest)
-			_, _ = w.Write([]byte(err.Error()))
-			return
-		}
-
-		var argv, replyv reflect.Value
-
-		// Decode the argument value.
-		argIsValue := false // if true, need to indirect before calling.
-		if hldr.mtype.ArgType.Kind() == reflect.Ptr {
-			argv = reflect.New(hldr.mtype.ArgType.Elem())
-		} else {
-			argv = reflect.New(hldr.mtype.ArgType)
-			argIsValue = true
-		}
-
-		if argIsValue {
-			argv = argv.Elem()
-		}
-
-		// reply value
-		replyv = reflect.New(hldr.mtype.ReplyType.Elem())
-
-		function := hldr.mtype.method.Func
-		var returnValues []reflect.Value
-
-		if r.Body != nil {
-			var buf []byte
-			buf, err = io.ReadAll(r.Body)
-			if err != nil && err != io.EOF {
-				h.errorHandler(ctx, handler, w, r, err, http.StatusInternalServerError)
-				return
-			}
-
-			if err = cf.Unmarshal(buf, argv.Interface()); err != nil {
-				h.errorHandler(ctx, handler, w, r, err, http.StatusBadRequest)
-				return
-			}
-		}
-
-		matches = rflutil.FlattenMap(matches)
-		if err = rflutil.Merge(argv.Interface(), matches, rflutil.SliceAppend(true), rflutil.Tags([]string{"protobuf", "json"})); err != nil {
-			h.errorHandler(ctx, handler, w, r, err, http.StatusBadRequest)
-			return
-		}
-
-		hr := &rpcRequest{
-			codec:       cf,
-			service:     handler.sopts.Name,
-			contentType: ct,
-			method:      fmt.Sprintf("%s.%s", hldr.name, hldr.mtype.method.Name),
-			endpoint:    fmt.Sprintf("%s.%s", hldr.name, hldr.mtype.method.Name),
-			payload:     argv.Interface(),
-			header:      md,
-		}
-
-		// define the handler func
-		fn := func(fctx context.Context, req server.Request, rsp interface{}) (err error) {
-			returnValues = function.Call([]reflect.Value{hldr.rcvr, hldr.mtype.prepareContext(fctx), argv, reflect.ValueOf(rsp)})
-
-			// The return value for the method is an error.
-			if rerr := returnValues[0].Interface(); rerr != nil {
-				err = rerr.(error)
-			}
-
-			md, ok := metadata.FromOutgoingContext(ctx)
-			if !ok {
-				md = metadata.New(0)
-			}
-			if nmd, ok := metadata.FromOutgoingContext(fctx); ok {
-				for k, v := range nmd {
-					md[k] = v
-				}
-			}
-
-			return err
-		}
-
-		// wrap the handler func
-		// for i := len(handler.sopts.Hooks); i > 0; i-- {
-		//	fn = handler.sopts.Hooks[i-1](fn)
-		// }
-
-		if ct == "application/x-www-form-urlencoded" {
-			cf, err = h.newCodec(DefaultContentType)
-			if err != nil {
-				h.errorHandler(ctx, handler, w, r, err, http.StatusInternalServerError)
-				return
-			}
-			ct = DefaultContentType
-		}
-
-		scode := int(200)
-		appErr := fn(ctx, hr, replyv.Interface())
-
-		w.Header().Set(metadata.HeaderContentType, ct)
-		if md, ok := metadata.FromOutgoingContext(ctx); ok {
-			for k, v := range md {
-				w.Header()[k] = []string{v}
-			}
-		}
-		if md := getRspHeader(ctx); md != nil {
-			for k, v := range md {
-				w.Header()[k] = v
-			}
-		}
-		if nct := w.Header().Get(metadata.HeaderContentType); nct != ct {
-			if cf, err = h.newCodec(nct); err != nil {
-				h.errorHandler(ctx, nil, w, r, err, http.StatusBadRequest)
-				return
-			}
-		}
-
-		var buf []byte
-		if appErr != nil {
-			switch verr := appErr.(type) {
-			case *errors.Error:
-				scode = int(verr.Code)
-				buf, err = cf.Marshal(verr)
-			case *Error:
-				buf, err = cf.Marshal(verr.err)
-			default:
-				buf, err = cf.Marshal(appErr)
-			}
-		} else {
-			buf, err = cf.Marshal(replyv.Interface())
-		}
-
-		if err != nil && handler.sopts.Logger.V(logger.ErrorLevel) {
-			handler.sopts.Logger.Error(handler.sopts.Context, fmt.Sprintf("handler err: %v", err))
-			return
-		}
-
-		if nscode := GetRspCode(ctx); nscode != 0 {
-			scode = nscode
-		}
-		w.WriteHeader(scode)
-
-		if _, cerr := w.Write(buf); cerr != nil {
-			handler.sopts.Logger.Error(ctx, fmt.Sprintf("write failed: %v", cerr))
-		}
-	}, nil
-}
-
-func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	ct := DefaultContentType
-	if htype := r.Header.Get(metadata.HeaderContentType); htype != "" {
-		ct = htype
-	}
-
-	ctx := context.WithValue(r.Context(), rspCodeKey{}, &rspCodeVal{})
-	ctx = context.WithValue(ctx, rspHeaderKey{}, &rspHeaderVal{})
-	md, ok := metadata.FromIncomingContext(ctx)
-	if !ok {
-		md = metadata.New(len(r.Header) + 8)
-	}
-	for k, v := range r.Header {
-		md[k] = v[0]
-	}
-	md["RemoteAddr"] = r.RemoteAddr
-	if r.TLS != nil {
-		md["Scheme"] = "https"
-	} else {
-		md["Scheme"] = "http"
-	}
-	md["Method"] = r.Method
-	md["URL"] = r.URL.String()
-	md["Proto"] = r.Proto
-	md["Content-Length"] = fmt.Sprintf("%d", r.ContentLength)
-	if len(r.TransferEncoding) > 0 {
-		md["Transfer-Encoding"] = r.TransferEncoding[0]
-	}
-	md["Host"] = r.Host
-	md["RequestURI"] = r.RequestURI
-	ctx = metadata.NewIncomingContext(ctx, md)
+	defer r.Body.Close()

 	path := r.URL.Path
 	if !strings.HasPrefix(path, "/") {
-		h.errorHandler(ctx, nil, w, r, fmt.Errorf("path must starts with /"), http.StatusBadRequest)
+		h.errorHandler(ctx, h, w, r, fmt.Errorf("path must contains /"), http.StatusBadRequest)
+	}
+
+	ct := DefaultContentType
+	if htype := r.Header.Get("Content-Type"); htype != "" {
+		ct = htype
+	}
+
+	cf, err := h.newCodec(ct)
+	if err != nil {
+		h.errorHandler(ctx, h, w, r, err, http.StatusBadRequest)
+	}
+
+	components := strings.Split(path[1:], "/")
+	l := len(components)
+	var verb string
+	idx := strings.LastIndex(components[l-1], ":")
+	if idx == 0 {
+		h.errorHandler(ctx, h, w, r, fmt.Errorf("not found"), http.StatusNotFound)
 		return
 	}
+	if idx > 0 {
+		c := components[l-1]
+		components[l-1], verb = c[:idx], c[idx+1:]
+	}

 	matches := make(map[string]interface{})
-
 	var match bool
-	var hldr *patHandler
-	var handler *httpHandler
-
-	for _, shdlr := range h.handlers {
-		hdlr := shdlr.(*httpHandler)
-		fh, mp, err := hdlr.handlers.Search(r.Method, path)
+	var hldr patHandler
+	for _, hldr = range h.handlers[r.Method] {
+		mp, err := hldr.pat.Match(components, verb)
 		if err == nil {
 			match = true
 			for k, v := range mp {
 				matches[k] = v
 			}
-			hldr = fh.(*patHandler)
-			handler = hdlr
 			break
-		} else if err == rhttp.ErrMethodNotAllowed && !h.registerRPC {
-			h.errorHandler(ctx, nil, w, r, fmt.Errorf("not matching route found"), http.StatusMethodNotAllowed)
-			return
 		}
 	}

-	if !match && h.registerRPC {
-		microMethod, mok := md.Get(metadata.HeaderEndpoint)
-		if mok {
-			serviceMethod := strings.Split(microMethod, ".")
-			if len(serviceMethod) == 2 {
-				if shdlr, ok := h.handlers[serviceMethod[0]]; ok {
-					hdlr := shdlr.(*httpHandler)
-					fh, mp, err := hdlr.handlers.Search(http.MethodPost, "/"+microMethod)
-					if err == nil {
-						match = true
-						for k, v := range mp {
-							matches[k] = v
-						}
-						hldr = fh.(*patHandler)
-						handler = hdlr
-					}
-				}
-			}
-		}
-	}
-
-	if !match && h.hd != nil {
-		if hdlr, ok := h.hd.(http.Handler); ok {
-			hdlr.ServeHTTP(w, r)
-			return
-		}
-	} else if !match {
-		// check for http.HandlerFunc handlers
-		if ph, _, err := h.pathHandlers.Search(r.Method, r.URL.Path); err == nil {
-			ph.(http.HandlerFunc)(w, r)
-			return
-		}
-		h.errorHandler(ctx, nil, w, r, fmt.Errorf("not matching route found"), http.StatusNotFound)
+	if !match {
+		h.errorHandler(ctx, h, w, r, fmt.Errorf("not matching route found"), http.StatusNotFound)
 		return
 	}

+	md, ok := metadata.FromIncomingContext(ctx)
+	if !ok {
+		md = metadata.New(0)
+	}
+
+	for k, v := range r.Header {
+		md.Set(k, strings.Join(v, ", "))
+	}
+
 	// get fields from url values
 	if len(r.URL.RawQuery) > 0 {
-		umd, cerr := rflutil.URLMap(r.URL.RawQuery)
-		if cerr != nil {
-			h.errorHandler(ctx, handler, w, r, cerr, http.StatusBadRequest)
-			return
+		umd, err := rflutil.URLMap(r.URL.RawQuery)
+		if err != nil {
+			h.errorHandler(ctx, h, w, r, err, http.StatusBadRequest)
 		}
 		for k, v := range umd {
 			matches[k] = v
 		}
 	}

-	if r.Body != nil {
-		defer r.Body.Close()
-	}
-
-	cf, err := h.newCodec(ct)
-	if err != nil {
-		h.errorHandler(ctx, nil, w, r, err, http.StatusBadRequest)
-		return
-	}
-
 	var argv, replyv reflect.Value

 	// Decode the argument value.
@ -474,125 +157,78 @@ func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	replyv = reflect.New(hldr.mtype.ReplyType.Elem())

 	function := hldr.mtype.method.Func
+	//function := hldr.rcvr
 	var returnValues []reflect.Value

-	if r.Body != nil {
-		var buf []byte
-		buf, err = io.ReadAll(r.Body)
-		if err != nil && err != io.EOF {
-			h.errorHandler(ctx, handler, w, r, err, http.StatusInternalServerError)
-			return
-		}
-
-		if err = cf.Unmarshal(buf, argv.Interface()); err != nil {
-			h.errorHandler(ctx, handler, w, r, err, http.StatusBadRequest)
-			return
-		}
+	if err = cf.ReadBody(r.Body, argv.Interface()); err != nil && err != io.EOF {
+		h.errorHandler(ctx, h, w, r, err, http.StatusInternalServerError)
 	}

-	if len(matches) > 0 {
-		matches = rflutil.FlattenMap(matches)
-		if err = rflutil.Merge(argv.Interface(), matches, rflutil.SliceAppend(true), rflutil.Tags([]string{"protobuf", "json"})); err != nil {
-			h.errorHandler(ctx, handler, w, r, err, http.StatusBadRequest)
-			return
-		}
+	matches = rflutil.FlattenMap(matches)
+	if err = rflutil.MergeMap(argv.Interface(), matches); err != nil {
+		h.errorHandler(ctx, h, w, r, err, http.StatusBadRequest)
+		return
+	}
+
+	b, err := cf.Marshal(argv.Interface())
+	if err != nil {
+		h.errorHandler(ctx, h, w, r, err, http.StatusBadRequest)
+		return
 	}

 	hr := &rpcRequest{
 		codec:       cf,
-		service:     handler.sopts.Name,
+		service:     h.sopts.Name,
 		contentType: ct,
 		method:      fmt.Sprintf("%s.%s", hldr.name, hldr.mtype.method.Name),
-		endpoint:    fmt.Sprintf("%s.%s", hldr.name, hldr.mtype.method.Name),
+		body:        b,
 		payload:     argv.Interface(),
-		header:      md,
 	}

+	var scode int
 	// define the handler func
-	fn := func(fctx context.Context, req server.Request, rsp interface{}) (err error) {
-		returnValues = function.Call([]reflect.Value{hldr.rcvr, hldr.mtype.prepareContext(fctx), argv, reflect.ValueOf(rsp)})
+	fn := func(ctx context.Context, req server.Request, rsp interface{}) (err error) {
+		ctx = context.WithValue(ctx, rspCodeKey{}, &rspCodeVal{})
+		ctx = metadata.NewIncomingContext(ctx, md)
+		returnValues = function.Call([]reflect.Value{hldr.rcvr, hldr.mtype.prepareContext(ctx), reflect.ValueOf(argv.Interface()), reflect.ValueOf(rsp)})

+		scode = GetRspCode(ctx)
 		// The return value for the method is an error.
 		if rerr := returnValues[0].Interface(); rerr != nil {
 			err = rerr.(error)
 		}

-		md, ok := metadata.FromOutgoingContext(ctx)
-		if !ok {
-			md = metadata.New(0)
-		}
-		if nmd, ok := metadata.FromOutgoingContext(fctx); ok {
-			for k, v := range nmd {
-				md[k] = v
-			}
-		}
-
 		return err
 	}

 	// wrap the handler func
-	// for i := len(handler.sopts.HdlrWrappers); i > 0; i-- {
-	//	fn = handler.sopts.HdlrWrappers[i-1](fn)
-	// }
-
-	if ct == "application/x-www-form-urlencoded" {
-		cf, err = h.newCodec(DefaultContentType)
-		if err != nil {
-			h.errorHandler(ctx, handler, w, r, err, http.StatusInternalServerError)
-			return
-		}
-		ct = DefaultContentType
+	for i := len(h.sopts.HdlrWrappers); i > 0; i-- {
+		fn = h.sopts.HdlrWrappers[i-1](fn)
 	}

-	scode := int(200)
-	appErr := fn(ctx, hr, replyv.Interface())
-
-	w.Header().Set(metadata.HeaderContentType, ct)
-	if md, ok := metadata.FromOutgoingContext(ctx); ok {
-		for k, v := range md {
-			w.Header()[k] = []string{v}
-		}
-	}
-	if md := getRspHeader(ctx); md != nil {
-		for k, v := range md {
-			for _, vv := range v {
-				w.Header().Add(k, vv)
-			}
-		}
-	}
-	if nct := w.Header().Get(metadata.HeaderContentType); nct != ct {
-		if cf, err = h.newCodec(nct); err != nil {
-			h.errorHandler(ctx, nil, w, r, err, http.StatusBadRequest)
-			return
-		}
-	}
-
-	var buf []byte
-	if appErr != nil {
+	if appErr := fn(ctx, hr, replyv.Interface()); appErr != nil {
 		switch verr := appErr.(type) {
 		case *errors.Error:
 			scode = int(verr.Code)
-			buf, err = cf.Marshal(verr)
+			b, err = cf.Marshal(verr)
 		case *Error:
-			buf, err = cf.Marshal(verr.err)
+			b, err = cf.Marshal(verr.err)
 		default:
-			buf, err = cf.Marshal(appErr)
+			b, err = cf.Marshal(appErr)
 		}
 	} else {
-		buf, err = cf.Marshal(replyv.Interface())
+		b, err = cf.Marshal(replyv.Interface())
 	}
-
-	if err != nil && handler.sopts.Logger.V(logger.ErrorLevel) {
-		handler.sopts.Logger.Error(handler.sopts.Context, fmt.Sprintf("handler err: %v", err))
+	if err != nil && h.sopts.Logger.V(logger.ErrorLevel) {
+		h.sopts.Logger.Errorf(h.sopts.Context, "handler err: %v", err)
 		return
 	}

-	if nscode := GetRspCode(ctx); nscode != 0 {
-		scode = nscode
-	}
-	w.WriteHeader(scode)
-
-	if _, cerr := w.Write(buf); cerr != nil {
-		handler.sopts.Logger.Error(ctx, fmt.Sprintf("write failed: %v", cerr))
+	w.Header().Set("content-Type", ct)
+	if scode != 0 {
+		w.WriteHeader(scode)
+	} else {
+		h.sopts.Logger.Warn(h.sopts.Context, "response code not set in handler via SetRspCode(ctx, http.StatusXXX)")
 	}
+	w.Write(b)
 }
--- a/handler/generate.go
+++ b/handler/generate.go
@ -1,12 +0,0 @@
-package handler
-
-import (
-	// import required packages
-	_ "go.unistack.org/micro-proto/v4/openapiv3"
-)
-
-//go:generate sh -c "curl -L https://github.com/swagger-api/swagger-ui/archive/refs/tags/v4.18.3.zip -o - | bsdtar -C swagger-ui --strip-components=2 -xv swagger-ui-4.18.3/dist && rm swagger-ui/*.map swagger-ui/*-es-*.js swagger-ui/swagger-ui.js swagger-ui/swagger-initializer.js"
-
-//go:generate sh -c "protoc -I./ -I$(go list -f '{{ .Dir }}' -m go.unistack.org/micro-proto/v4) --go-micro_out='components=micro|http|server',standalone=false,debug=true,paths=source_relative:./ ./meter/meter.proto"
-
-//go:generate sh -c "protoc -I./ -I$(go list -f '{{ .Dir }}' -m go.unistack.org/micro-proto/v4) --go-micro_out='components=micro|http|server',standalone=false,debug=true,paths=source_relative:./ ./health/health.proto"
--- a/handler/health/health.go
+++ b/handler/health/health.go
@ -1,82 +0,0 @@
-package health // import "go.unistack.org/micro-server-http/v4/handler/health"
-
-import (
-	"context"
-
-	codecpb "go.unistack.org/micro-proto/v4/codec"
-	"go.unistack.org/micro/v4/errors"
-)
-
-var _ HealthServiceServer = (*Handler)(nil)
-
-type Handler struct {
-	opts Options
-}
-
-type CheckFunc func(context.Context) error
-
-type Option func(*Options)
-
-type Options struct {
-	Version     string
-	Name        string
-	LiveChecks  []CheckFunc
-	ReadyChecks []CheckFunc
-}
-
-func LiveChecks(fns ...CheckFunc) Option {
-	return func(o *Options) {
-		o.LiveChecks = append(o.LiveChecks, fns...)
-	}
-}
-
-func ReadyChecks(fns ...CheckFunc) Option {
-	return func(o *Options) {
-		o.ReadyChecks = append(o.ReadyChecks, fns...)
-	}
-}
-
-func Name(name string) Option {
-	return func(o *Options) {
-		o.Name = name
-	}
-}
-
-func Version(version string) Option {
-	return func(o *Options) {
-		o.Version = version
-	}
-}
-
-func NewHandler(opts ...Option) *Handler {
-	options := Options{}
-	for _, o := range opts {
-		o(&options)
-	}
-	return &Handler{opts: options}
-}
-
-func (h *Handler) Live(ctx context.Context, req *codecpb.Frame, rsp *codecpb.Frame) error {
-	var err error
-	for _, fn := range h.opts.LiveChecks {
-		if err = fn(ctx); err != nil {
-			return errors.ServiceUnavailable(h.opts.Name, "%v", err)
-		}
-	}
-	return nil
-}
-
-func (h *Handler) Ready(ctx context.Context, req *codecpb.Frame, rsp *codecpb.Frame) error {
-	var err error
-	for _, fn := range h.opts.ReadyChecks {
-		if err = fn(ctx); err != nil {
-			return errors.ServiceUnavailable(h.opts.Name, "%v", err)
-		}
-	}
-	return nil
-}
-
-func (h *Handler) Version(ctx context.Context, req *codecpb.Frame, rsp *codecpb.Frame) error {
-	rsp.Data = []byte(h.opts.Version)
-	return nil
-}
--- a/handler/health/health.proto
+++ b/handler/health/health.proto
@ -1,50 +0,0 @@
-syntax = "proto3";
-
-package micro.server.http.v4.handler.health;
-option go_package = "go.unistack.org/micro-server-http/v4/handler/health;health";
-
-import "api/annotations.proto";
-import "openapiv3/annotations.proto";
-import "codec/frame.proto";
-
-service HealthService {
-	rpc Live(micro.codec.Frame) returns (micro.codec.Frame) {
-		option (micro.openapiv3.openapiv3_operation) = {
-      operation_id: "Live";
-      responses: {
-        default: {
-          reference: {
-            _ref: "micro.codec.Frame";
-          };
-        };
-      };
-    };
-		option (micro.api.http) = { get: "/live"; };
-  };
-	rpc Ready(micro.codec.Frame) returns (micro.codec.Frame) {
-		option (micro.openapiv3.openapiv3_operation) = {
-      operation_id: "Ready";
-      responses: {
-        default: {
-          reference: {
-            _ref: "micro.codec.Frame";
-          };
-        };
-      };
-    };
-		option (micro.api.http) = { get: "/ready"; };
-  };
-	rpc Version(micro.codec.Frame) returns (micro.codec.Frame) {
-		option (micro.openapiv3.openapiv3_operation) = {
-      operation_id: "Version";
-      responses: {
-        default: {
-          reference: {
-            _ref: "micro.codec.Frame";
-          };
-        };
-      };
-    };
-		option (micro.api.http) = { get: "/version"; };
-  };
-};
--- a/handler/health/health_micro.pb.go
+++ b/handler/health/health_micro.pb.go
@ -1,22 +0,0 @@
-// Code generated by protoc-gen-go-micro. DO NOT EDIT.
-// versions:
-// - protoc-gen-go-micro v4.0.2
-// - protoc              v4.23.4
-// source: health/health.proto
-
-package health
-
-import (
-	context "context"
-	codec "go.unistack.org/micro-proto/v4/codec"
-)
-
-var (
-	HealthServiceName = "HealthService"
-)
-
-type HealthServiceServer interface {
-	Live(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
-	Ready(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
-	Version(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
-}
--- a/handler/health/health_micro_http.pb.go
+++ b/handler/health/health_micro_http.pb.go
@ -1,70 +0,0 @@
-// Code generated by protoc-gen-go-micro. DO NOT EDIT.
-// protoc-gen-go-micro version: v4.0.2
-// source: health/health.proto
-
-package health
-
-import (
-	context "context"
-	codec "go.unistack.org/micro-proto/v4/codec"
-	v4 "go.unistack.org/micro-server-http/v4"
-	options "go.unistack.org/micro/v4/options"
-	server "go.unistack.org/micro/v4/server"
-)
-
-var (
-	HealthServiceServerEndpoints = []v4.EndpointMetadata{
-		{
-			Name:   "HealthService.Live",
-			Path:   "/live",
-			Method: "GET",
-			Body:   "",
-			Stream: false,
-		},
-		{
-			Name:   "HealthService.Ready",
-			Path:   "/ready",
-			Method: "GET",
-			Body:   "",
-			Stream: false,
-		},
-		{
-			Name:   "HealthService.Version",
-			Path:   "/version",
-			Method: "GET",
-			Body:   "",
-			Stream: false,
-		},
-	}
-)
-
-type healthServiceServer struct {
-	HealthServiceServer
-}
-
-func (h *healthServiceServer) Live(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error {
-	return h.HealthServiceServer.Live(ctx, req, rsp)
-}
-
-func (h *healthServiceServer) Ready(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error {
-	return h.HealthServiceServer.Ready(ctx, req, rsp)
-}
-
-func (h *healthServiceServer) Version(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error {
-	return h.HealthServiceServer.Version(ctx, req, rsp)
-}
-
-func RegisterHealthServiceServer(s server.Server, sh HealthServiceServer, opts ...options.Option) error {
-	type healthService interface {
-		Live(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
-		Ready(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
-		Version(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
-	}
-	type HealthService struct {
-		healthService
-	}
-	h := &healthServiceServer{sh}
-	var nopts []options.Option
-	nopts = append(nopts, v4.HandlerEndpoints(HealthServiceServerEndpoints))
-	return s.Handle(&HealthService{h}, append(nopts, opts...)...)
-}
--- a/handler/meter/meter.go
+++ b/handler/meter/meter.go
@ -1,133 +0,0 @@
-package meter // import "go.unistack.org/micro-server-http/v4/handler/meter"
-
-import (
-	"bytes"
-	"compress/gzip"
-	"context"
-	"io"
-	"strings"
-	"sync"
-
-	codecpb "go.unistack.org/micro-proto/v4/codec"
-	"go.unistack.org/micro/v4/logger"
-	"go.unistack.org/micro/v4/metadata"
-	"go.unistack.org/micro/v4/meter"
-	"go.unistack.org/micro/v4/options"
-)
-
-const (
-	contentEncodingHeader = "Content-Encoding"
-	acceptEncodingHeader  = "Accept-Encoding"
-)
-
-var gzipPool = sync.Pool{
-	New: func() interface{} {
-		return gzip.NewWriter(nil)
-	},
-}
-
-var bufPool = sync.Pool{
-	New: func() interface{} {
-		return bytes.NewBuffer(nil)
-	},
-}
-
-// guard to fail early
-var _ MeterServiceServer = (*Handler)(nil)
-
-type Handler struct {
-	opts Options
-}
-
-type Option func(*Options)
-
-type Options struct {
-	Meter           meter.Meter
-	Name            string
-	MeterOptions    []options.Option
-	DisableCompress bool
-}
-
-func Meter(m meter.Meter) Option {
-	return func(o *Options) {
-		o.Meter = m
-	}
-}
-
-func Name(name string) Option {
-	return func(o *Options) {
-		o.Name = name
-	}
-}
-
-func DisableCompress(g bool) Option {
-	return func(o *Options) {
-		o.DisableCompress = g
-	}
-}
-
-func MeterOptions(opts ...options.Option) Option {
-	return func(o *Options) {
-		o.MeterOptions = append(o.MeterOptions, opts...)
-	}
-}
-
-func NewOptions(opts ...Option) Options {
-	options := Options{Meter: meter.DefaultMeter, DisableCompress: false}
-	for _, o := range opts {
-		o(&options)
-	}
-	return options
-}
-
-func NewHandler(opts ...Option) *Handler {
-	options := NewOptions(opts...)
-	return &Handler{opts: options}
-}
-
-func (h *Handler) Metrics(ctx context.Context, req *codecpb.Frame, rsp *codecpb.Frame) error {
-	log, ok := logger.FromContext(ctx)
-	if !ok {
-		log = logger.DefaultLogger
-	}
-
-	buf := bufPool.Get().(*bytes.Buffer)
-	defer bufPool.Put(buf)
-	buf.Reset()
-
-	w := io.Writer(buf)
-
-	if md, ok := metadata.FromIncomingContext(ctx); gzipAccepted(md) && ok && !h.opts.DisableCompress {
-		omd, _ := metadata.FromOutgoingContext(ctx)
-		omd.Set(contentEncodingHeader, "gzip")
-		gz := gzipPool.Get().(*gzip.Writer)
-		defer gzipPool.Put(gz)
-
-		gz.Reset(w)
-		defer gz.Close()
-
-		w = gz
-		gz.Flush()
-	}
-
-	if err := h.opts.Meter.Write(w, h.opts.MeterOptions...); err != nil {
-		log.Error(ctx, "http/meter: write failed", err)
-		return nil
-	}
-
-	rsp.Data = buf.Bytes()
-
-	return nil
-}
-
-// gzipAccepted returns whether the client will accept gzip-encoded content.
-func gzipAccepted(md metadata.Metadata) bool {
-	a, ok := md.Get(acceptEncodingHeader)
-	if !ok {
-		return false
-	}
-	if strings.Contains(a, "gzip") {
-		return true
-	}
-	return false
-}
--- a/handler/meter/meter.proto
+++ b/handler/meter/meter.proto
@ -1,24 +0,0 @@
-syntax = "proto3";
-
-package micro.server.http.v4.handler.meter;
-option go_package = "go.unistack.org/micro-server-http/v4/handler/meter;meter";
-
-import "api/annotations.proto";
-import "openapiv3/annotations.proto";
-import "codec/frame.proto";
-
-service MeterService {
-	rpc Metrics(micro.codec.Frame) returns (micro.codec.Frame) {
-		option (micro.openapiv3.openapiv3_operation) = {
-      operation_id: "Metrics";
-      responses: {
-        default: {
-          reference: {
-            _ref: "micro.codec.Frame";
-          };
-        };
-      };
-    };
-		option (micro.api.http) = { get: "/metrics"; };
-  };
-};
--- a/handler/meter/meter_micro.pb.go
+++ b/handler/meter/meter_micro.pb.go
@ -1,20 +0,0 @@
-// Code generated by protoc-gen-go-micro. DO NOT EDIT.
-// versions:
-// - protoc-gen-go-micro v4.0.2
-// - protoc              v4.23.4
-// source: meter/meter.proto
-
-package meter
-
-import (
-	context "context"
-	codec "go.unistack.org/micro-proto/v4/codec"
-)
-
-var (
-	MeterServiceName = "MeterService"
-)
-
-type MeterServiceServer interface {
-	Metrics(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
-}
--- a/handler/meter/meter_micro_http.pb.go
+++ b/handler/meter/meter_micro_http.pb.go
@ -1,46 +0,0 @@
-// Code generated by protoc-gen-go-micro. DO NOT EDIT.
-// protoc-gen-go-micro version: v4.0.2
-// source: meter/meter.proto
-
-package meter
-
-import (
-	context "context"
-	codec "go.unistack.org/micro-proto/v4/codec"
-	v4 "go.unistack.org/micro-server-http/v4"
-	options "go.unistack.org/micro/v4/options"
-	server "go.unistack.org/micro/v4/server"
-)
-
-var (
-	MeterServiceServerEndpoints = []v4.EndpointMetadata{
-		{
-			Name:   "MeterService.Metrics",
-			Path:   "/metrics",
-			Method: "GET",
-			Body:   "",
-			Stream: false,
-		},
-	}
-)
-
-type meterServiceServer struct {
-	MeterServiceServer
-}
-
-func (h *meterServiceServer) Metrics(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error {
-	return h.MeterServiceServer.Metrics(ctx, req, rsp)
-}
-
-func RegisterMeterServiceServer(s server.Server, sh MeterServiceServer, opts ...options.Option) error {
-	type meterService interface {
-		Metrics(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
-	}
-	type MeterService struct {
-		meterService
-	}
-	h := &meterServiceServer{sh}
-	var nopts []options.Option
-	nopts = append(nopts, v4.HandlerEndpoints(MeterServiceServerEndpoints))
-	return s.Handle(&MeterService{h}, append(nopts, opts...)...)
-}
--- a/handler/meter/meter_test.go
+++ b/handler/meter/meter_test.go
@ -1,49 +0,0 @@
-package meter
-
-import (
-	"context"
-	"testing"
-
-	codecpb "go.unistack.org/micro-proto/v4/codec"
-)
-
-func TestHandler_Metrics(t *testing.T) {
-	type fields struct {
-		opts Options
-	}
-	type args struct {
-		ctx context.Context
-		req *codecpb.Frame
-		rsp *codecpb.Frame
-	}
-	tests := []struct {
-		name    string
-		fields  fields
-		args    args
-		wantErr bool
-	}{
-		{
-			"Test #1",
-			fields{
-				opts: NewOptions(),
-			},
-			args{
-				context.Background(),
-				&codecpb.Frame{Data: []byte("gzip")},
-				&codecpb.Frame{},
-			},
-			true,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			h := &Handler{
-				opts: tt.fields.opts,
-			}
-			if err := h.Metrics(tt.args.ctx, tt.args.req, tt.args.rsp); (err != nil) != tt.wantErr {
-				t.Errorf("Metrics() error = %v, wantErr %v", err, tt.wantErr)
-			}
-			t.Logf("RSP: %v", tt.args.rsp.Data)
-		})
-	}
-}
--- a/handler/spa/spa.go
+++ b/handler/spa/spa.go
@ -1,19 +0,0 @@
-package spa
-
-import (
-	"io/fs"
-	"net/http"
-	"strings"
-)
-
-// Handler serve files from dir and redirect to index if file not exists
-var Handler = func(prefix string, dir fs.FS) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		f := http.StripPrefix(prefix, http.FileServer(http.FS(dir)))
-		if _, err := fs.Stat(dir, strings.TrimPrefix(r.RequestURI, prefix)); err != nil {
-			r.RequestURI = prefix
-			r.URL.Path = prefix
-		}
-		f.ServeHTTP(w, r)
-	}
-}
--- a/handler/swagger-ui/favicon-16x16.png
+++ b/handler/swagger-ui/favicon-16x16.png
--- a/handler/swagger-ui/favicon-32x32.png
+++ b/handler/swagger-ui/favicon-32x32.png
--- a/handler/swagger-ui/index.css
+++ b/handler/swagger-ui/index.css
@ -1,16 +0,0 @@
-html {
-    box-sizing: border-box;
-    overflow: -moz-scrollbars-vertical;
-    overflow-y: scroll;
-}
-
-*,
-*:before,
-*:after {
-    box-sizing: inherit;
-}
-
-body {
-    margin: 0;
-    background: #fafafa;
-}
--- a/handler/swagger-ui/index.html
+++ b/handler/swagger-ui/index.html
@ -1,19 +0,0 @@
-<!-- HTML for static distribution bundle build -->
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8">
-    <title>Swagger UI</title>
-    <link rel="stylesheet" type="text/css" href="./swagger-ui.css" />
-    <link rel="stylesheet" type="text/css" href="index.css" />
-    <link rel="icon" type="image/png" href="./favicon-32x32.png" sizes="32x32" />
-    <link rel="icon" type="image/png" href="./favicon-16x16.png" sizes="16x16" />
-  </head>
-
-  <body>
-    <div id="swagger-ui"></div>
-    <script src="./swagger-ui-bundle.js" charset="UTF-8"> </script>
-    <script src="./swagger-ui-standalone-preset.js" charset="UTF-8"> </script>
-    <script src="./swagger-initializer.js" charset="UTF-8"> </script>
-  </body>
-</html>
--- a/handler/swagger-ui/oauth2-redirect.html
+++ b/handler/swagger-ui/oauth2-redirect.html
@ -1,79 +0,0 @@
-<!doctype html>
-<html lang="en-US">
-<head>
-    <title>Swagger UI: OAuth2 Redirect</title>
-</head>
-<body>
-<script>
-    'use strict';
-    function run () {
-        var oauth2 = window.opener.swaggerUIRedirectOauth2;
-        var sentState = oauth2.state;
-        var redirectUrl = oauth2.redirectUrl;
-        var isValid, qp, arr;
-
-        if (/code|token|error/.test(window.location.hash)) {
-            qp = window.location.hash.substring(1).replace('?', '&');
-        } else {
-            qp = location.search.substring(1);
-        }
-
-        arr = qp.split("&");
-        arr.forEach(function (v,i,_arr) { _arr[i] = '"' + v.replace('=', '":"') + '"';});
-        qp = qp ? JSON.parse('{' + arr.join() + '}',
-                function (key, value) {
-                    return key === "" ? value : decodeURIComponent(value);
-                }
-        ) : {};
-
-        isValid = qp.state === sentState;
-
-        if ((
-          oauth2.auth.schema.get("flow") === "accessCode" ||
-          oauth2.auth.schema.get("flow") === "authorizationCode" ||
-          oauth2.auth.schema.get("flow") === "authorization_code"
-        ) && !oauth2.auth.code) {
-            if (!isValid) {
-                oauth2.errCb({
-                    authId: oauth2.auth.name,
-                    source: "auth",
-                    level: "warning",
-                    message: "Authorization may be unsafe, passed state was changed in server. The passed state wasn't returned from auth server."
-                });
-            }
-
-            if (qp.code) {
-                delete oauth2.state;
-                oauth2.auth.code = qp.code;
-                oauth2.callback({auth: oauth2.auth, redirectUrl: redirectUrl});
-            } else {
-                let oauthErrorMsg;
-                if (qp.error) {
-                    oauthErrorMsg = "["+qp.error+"]: " +
-                        (qp.error_description ? qp.error_description+ ". " : "no accessCode received from the server. ") +
-                        (qp.error_uri ? "More info: "+qp.error_uri : "");
-                }
-
-                oauth2.errCb({
-                    authId: oauth2.auth.name,
-                    source: "auth",
-                    level: "error",
-                    message: oauthErrorMsg || "[Authorization failed]: no accessCode received from the server."
-                });
-            }
-        } else {
-            oauth2.callback({auth: oauth2.auth, token: qp, isValid: isValid, redirectUrl: redirectUrl});
-        }
-        window.close();
-    }
-
-    if (document.readyState !== 'loading') {
-        run();
-    } else {
-        document.addEventListener('DOMContentLoaded', function () {
-            run();
-        });
-    }
-</script>
-</body>
-</html>
--- a/handler/swagger-ui/swagger-ui-bundle.js
+++ b/handler/swagger-ui/swagger-ui-bundle.js
--- a/handler/swagger-ui/swagger-ui-standalone-preset.js
+++ b/handler/swagger-ui/swagger-ui-standalone-preset.js
--- a/handler/swagger-ui/swagger-ui.css
+++ b/handler/swagger-ui/swagger-ui.css
--- a/handler/swagger-ui/swaggerui.go
+++ b/handler/swagger-ui/swaggerui.go
@ -1,142 +0,0 @@
-package swaggerui // import "go.unistack.org/micro-server-http/v4/handler/swagger-ui"
-
-import (
-	"embed"
-	"html/template"
-	"net/http"
-	"path"
-	"reflect"
-)
-
-//go:embed *.js *.css *.html *.png
-var assets embed.FS
-
-var (
-	Handler = func(prefix string) http.HandlerFunc {
-		return func(w http.ResponseWriter, r *http.Request) {
-			if r.Method != http.MethodGet || path.Base(r.URL.Path) != "swagger-initializer.js" {
-				http.StripPrefix(prefix, http.FileServer(http.FS(assets))).ServeHTTP(w, r)
-				return
-			}
-			tpl := template.New("swagger-initializer.js").Funcs(TemplateFuncs)
-			ptpl, err := tpl.Parse(Template)
-			if err != nil {
-				w.WriteHeader(http.StatusInternalServerError)
-				_, _ = w.Write([]byte(err.Error()))
-				return
-			}
-			if err := ptpl.Execute(w, Config); err != nil {
-				w.WriteHeader(http.StatusInternalServerError)
-				_, _ = w.Write([]byte(err.Error()))
-				return
-			}
-		}
-	}
-	TemplateFuncs = template.FuncMap{
-		"isInt": func(i interface{}) bool {
-			v := reflect.ValueOf(i)
-			switch v.Kind() {
-			case reflect.Int, reflect.Int8, reflect.Int32, reflect.Int64, reflect.Uint, reflect.Uint8, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64:
-				return true
-			default:
-				return false
-			}
-		},
-		"isBool": func(i interface{}) bool {
-			v := reflect.ValueOf(i)
-			switch v.Kind() {
-			case reflect.Bool:
-				return true
-			default:
-				return false
-			}
-		},
-		"isString": func(i interface{}) bool {
-			v := reflect.ValueOf(i)
-			switch v.Kind() {
-			case reflect.String:
-				return true
-			default:
-				return false
-			}
-		},
-		"isSlice": func(i interface{}) bool {
-			v := reflect.ValueOf(i)
-			switch v.Kind() {
-			case reflect.Slice:
-				return true
-			default:
-				return false
-			}
-		},
-		"isMap": func(i interface{}) bool {
-			v := reflect.ValueOf(i)
-			switch v.Kind() {
-			case reflect.Map:
-				return true
-			default:
-				return false
-			}
-		},
-	}
-	Template = `
-	window.onload = function() {
-		//<editor-fold desc="Changeable Configuration Block">
-	
-		window.ui = SwaggerUIBundle({
-			{{- range $k, $v := . }}
-			{{- if (eq (printf "%s" $v) "") -}}
-			{{- continue -}}
-			{{ end }}
-			{{ $k }}: {{ if isBool $v -}}
-			{{- $v -}},
-			{{- else if isInt $v -}}
-      {{- $v -}},
-			{{- else if isString $v -}}
-			"{{- $v -}}",
-			{{- else if and (isSlice $v) (or (eq (printf "%s" $k) "presets") (eq (printf "%s" $k) "plugins")) -}}
-			[
-			{{- range $v }}
-				{{ . }},
-			{{- end }}
-			],
-			{{- end -}} 
-			{{ end }}
-		});
-	
-		//</editor-fold>
-	};`
-	Config = map[string]interface{}{
-		"configUrl": "",
-		"dom_id":    "#swagger-ui",
-		/*
-				"domNode":     "",
-			  "spec":        "",
-				"urls": []interface{}{
-					map[string]interface{}{
-							"url":  "",
-							"name": "",
-						},
-					},
-				},
-		*/
-		"url":                      "https://petstore.swagger.io/v2/swagger.json",
-		"deepLinking":              true,
-		"displayOperationId":       false,
-		"defaultModelsExpandDepth": 1,
-		"defaultModelExpandDepth":  1,
-		"displayRequestDuration":   true,
-		"filter":                   true,
-		"operationsSorter":         "alpha",
-		"showExtensions":           true,
-		"tryItOutEnabled":          true,
-		"presets": []string{
-			"SwaggerUIBundle.presets.apis",
-			"SwaggerUIStandalonePreset",
-		},
-		"plugins": []string{
-			"SwaggerUIBundle.plugins.DownloadUrl",
-		},
-		"layout": "StandaloneLayout",
-	}
-)
--- a/handler/swagger-ui/swaggerui_test.go
+++ b/handler/swagger-ui/swaggerui_test.go
@ -1,15 +0,0 @@
-package swaggerui
-
-import (
-	"net/http"
-	"testing"
-)
-
-func TestTemplate(t *testing.T) {
-	t.Skip()
-	h := http.NewServeMux()
-	h.HandleFunc("/", Handler(""))
-	if err := http.ListenAndServe(":8080", h); err != nil {
-		t.Fatal(err)
-	}
-}
--- a/handler/swagger/swagger.go
+++ b/handler/swagger/swagger.go
@ -1,61 +0,0 @@
-package swagger
-
-import (
-	"io/fs"
-	"net/http"
-
-	yamlcodec "go.unistack.org/micro-codec-yaml/v4"
-	rutil "go.unistack.org/micro/v4/util/reflect"
-)
-
-// Handler append to generated swagger data from dst map[string]interface{}
-var Handler = func(dst map[string]interface{}, fsys fs.FS) http.HandlerFunc {
-	c := yamlcodec.NewCodec()
-	return func(w http.ResponseWriter, r *http.Request) {
-		if r.Method != http.MethodGet {
-			w.WriteHeader(http.StatusNotFound)
-			return
-		}
-
-		path := r.URL.Path
-		if len(path) > 1 && path[0] == '/' {
-			path = path[1:]
-		}
-
-		buf, err := fs.ReadFile(fsys, path)
-		if err != nil {
-			w.WriteHeader(http.StatusInternalServerError)
-			_, _ = w.Write([]byte(err.Error()))
-			return
-		}
-
-		if dst == nil {
-			w.WriteHeader(http.StatusOK)
-			_, _ = w.Write(buf)
-			return
-		}
-
-		var src interface{}
-
-		if err = c.Unmarshal(buf, src); err != nil {
-			w.WriteHeader(http.StatusInternalServerError)
-			_, _ = w.Write([]byte(err.Error()))
-			return
-		}
-
-		if err = rutil.Merge(src, dst); err != nil {
-			w.WriteHeader(http.StatusInternalServerError)
-			_, _ = w.Write([]byte(err.Error()))
-			return
-		}
-
-		if buf, err = c.Marshal(src); err != nil {
-			w.WriteHeader(http.StatusInternalServerError)
-			_, _ = w.Write([]byte(err.Error()))
-			return
-		}
-
-		w.WriteHeader(http.StatusOK)
-		_, _ = w.Write(buf)
-	}
-}
--- a/http.go
+++ b/http.go
@ -1,191 +1,121 @@
 // Package http implements a go-micro.Server
-package http // import "go.unistack.org/micro-server-http/v4"
+package http

 import (
-	"context"
 	"crypto/tls"
 	"errors"
 	"fmt"
 	"net"
 	"net/http"
 	"reflect"
+	"sort"
 	"strings"
 	"sync"
 	"time"

-	"go.unistack.org/micro/v4/codec"
-	"go.unistack.org/micro/v4/logger"
-	"go.unistack.org/micro/v4/options"
-	"go.unistack.org/micro/v4/register"
-	"go.unistack.org/micro/v4/server"
-	rhttp "go.unistack.org/micro/v4/util/http"
+	"github.com/unistack-org/micro/v3/broker"
+	"github.com/unistack-org/micro/v3/codec"
+	"github.com/unistack-org/micro/v3/logger"
+	"github.com/unistack-org/micro/v3/register"
+	"github.com/unistack-org/micro/v3/server"
+	rutil "github.com/unistack-org/micro/v3/util/router"
 	"golang.org/x/net/netutil"
 )

-var _ server.Server = (*Server)(nil)
-
-type Server struct {
-	hd           interface{}
-	rsvc         *register.Service
-	handlers     map[string]interface{}
-	exit         chan chan error
-	errorHandler func(context.Context, interface{}, http.ResponseWriter, *http.Request, error, int)
-	pathHandlers *rhttp.Trie
-	opts         server.Options
-	registerRPC  bool
+type httpServer struct {
 	sync.RWMutex
+	opts        server.Options
+	hd          server.Handler
+	exit        chan chan error
+	subscribers map[*httpSubscriber][]broker.Subscriber
+	// used for first registration
 	registered bool
-	init       bool
+	// register service instance
+	rsvc *register.Service
 }

-func (h *Server) newCodec(ct string) (codec.Codec, error) {
-	if idx := strings.IndexRune(ct, ';'); idx >= 0 {
-		ct = ct[:idx]
-	}
-	h.RLock()
-	cf, ok := h.opts.Codecs[ct]
-	h.RUnlock()
-	if ok {
+func (h *httpServer) newCodec(ct string) (codec.Codec, error) {
+	if cf, ok := h.opts.Codecs[ct]; ok {
 		return cf, nil
 	}
 	return nil, codec.ErrUnknownContentType
 }

-func (h *Server) Options() server.Options {
+func (h *httpServer) Options() server.Options {
 	h.Lock()
 	opts := h.opts
 	h.Unlock()
 	return opts
 }

-func (h *Server) Init(opts ...options.Option) error {
-	if len(opts) == 0 && h.init {
-		return nil
-	}
-
+func (h *httpServer) Init(opts ...server.Option) error {
 	h.Lock()
-
 	for _, o := range opts {
 		o(&h.opts)
 	}
-	if fn, ok := h.opts.Context.Value(errorHandlerKey{}).(func(ctx context.Context, s interface{}, w http.ResponseWriter, r *http.Request, err error, status int)); ok && fn != nil {
-		h.errorHandler = fn
-	}
-	if h.handlers == nil {
-		h.handlers = make(map[string]interface{})
-	}
-	if h.pathHandlers == nil {
-		h.pathHandlers = rhttp.NewTrie()
-	}
-
-	if v, ok := h.opts.Context.Value(registerRPCHandlerKey{}).(bool); ok {
-		h.registerRPC = v
-	}
-
-	if phs, ok := h.opts.Context.Value(pathHandlerKey{}).(*pathHandlerVal); ok && phs.h != nil {
-		for pm, ps := range phs.h {
-			for pp, ph := range ps {
-				if err := h.pathHandlers.Insert([]string{pm}, pp, ph); err != nil {
-					h.Unlock()
-					return err
-				}
-			}
-		}
-	}
 	h.Unlock()
+	return nil
+}

-	h.RLock()
-	if err := h.opts.Register.Init(); err != nil {
-		h.RUnlock()
-		return err
-	}
-	if err := h.opts.Tracer.Init(); err != nil {
-		h.RUnlock()
-		return err
-	}
-	if err := h.opts.Logger.Init(); err != nil {
-		h.RUnlock()
-		return err
-	}
-	if err := h.opts.Meter.Init(); err != nil {
-		h.RUnlock()
-		return err
-	}
-	h.RUnlock()
-
+func (h *httpServer) Handle(handler server.Handler) error {
 	h.Lock()
-	h.init = true
+	h.hd = handler
 	h.Unlock()
-
 	return nil
 }

-func (h *Server) Handle(handler interface{}, opts ...options.Option) error {
-	options := server.NewHandleOptions(opts...)
-	var endpointMetadata []EndpointMetadata
+func (h *httpServer) NewHandler(handler interface{}, opts ...server.HandlerOption) server.Handler {
+	options := server.NewHandlerOptions(opts...)

-	if v, ok := options.Context.Value(handlerEndpointsKey{}).([]EndpointMetadata); ok {
-		endpointMetadata = v
-	}
+	var eps []*register.Endpoint

-	// passed unknown handler
-	hdlr, ok := handler.(*httpHandler)
-	if !ok {
-		h.Lock()
-		if h.handlers == nil {
-			h.handlers = make(map[string]interface{})
+	if !options.Internal {
+		for name, metadata := range options.Metadata {
+			eps = append(eps, &register.Endpoint{
+				Name:     name,
+				Metadata: metadata,
+			})
 		}
-		for _, v := range endpointMetadata {
-			h.handlers[v.Name] = h.newHTTPHandler(handler, opts...)
-		}
-		h.Unlock()
-		return nil
-	}
-
-	// passed http.Handler like some muxer
-	if _, ok := hdlr.hd.(http.Handler); ok {
-		h.Lock()
-		h.hd = handler
-		h.Unlock()
-		return nil
-	}
-
-	return nil
-}
-
-func (h *Server) newHTTPHandler(handler interface{}, opts ...options.Option) *httpHandler {
-	options := server.NewHandleOptions(opts...)
-
-	eps := make([]*register.Endpoint, 0, len(options.Metadata))
-	for name, metadata := range options.Metadata {
-		eps = append(eps, &register.Endpoint{
-			Name:     name,
-			Metadata: metadata,
-		})
 	}

 	hdlr := &httpHandler{
-		eps:      eps,
-		hd:       handler,
-		opts:     options,
-		sopts:    h.opts,
-		handlers: rhttp.NewTrie(),
+		eps:   eps,
+		hd:    handler,
+		opts:  options,
+		sopts: h.opts,
 	}

 	tp := reflect.TypeOf(handler)

 	/*
-		if len(options.Metadata) == 0 {
-			if h.registerRPC {
-				h.opts.Logger.Infof(h.opts.Context, "register rpc handler for http.MethodPost %s /%s", hn, hn)
-				if err := hdlr.handlers.Insert([]string{http.MethodPost}, "/"+hn, pth); err != nil {
-					h.opts.Logger.Errorf(h.opts.Context, "cant add rpc handler for http.MethodPost %s /%s", hn, hn)
-				}
-			}
-		}
+	   for m := 0; m < tp.NumMethod(); m++ {
+	   	    if e := register.ExtractEndpoint(tp.Method(m)); e != nil {
+	   	    	      e.Name = name + "." + e.Name
+
+	   	    	            for k, v := range options.Metadata[e.Name] {
+	   	    	            	        e.Metadata[k] = v
+	   	    	            	              }
+
+	   	    	            	                    eps = append(eps, e)
+	   	    	            	                        }
+	   	    	            	                          }
+
 	*/

+	hdlr.handlers = make(map[string][]patHandler)
 	for hn, md := range options.Metadata {
+		cmp, err := rutil.Parse(md["Path"])
+		if err != nil && h.opts.Logger.V(logger.ErrorLevel) {
+			h.opts.Logger.Errorf(h.opts.Context, "parsing path pattern err: %v", err)
+			continue
+		}
+		tpl := cmp.Compile()
+		pat, err := rutil.NewPattern(tpl.Version, tpl.OpCodes, tpl.Pool, tpl.Verb)
+		if err != nil && h.opts.Logger.V(logger.ErrorLevel) {
+			h.opts.Logger.Errorf(h.opts.Context, "creating new pattern err: %v", err)
+			continue
+		}
+
 		var method reflect.Method
 		mname := hn[strings.Index(hn, ".")+1:]
 		for m := 0; m < tp.NumMethod(); m++ {
@ -198,100 +128,59 @@ func (h *Server) newHTTPHandler(handler interface{}, opts ...options.Option) *ht
 		}

 		if method.Name == "" && h.opts.Logger.V(logger.ErrorLevel) {
-			h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("nil method for %s", mname))
+			h.opts.Logger.Errorf(h.opts.Context, "nil method for %s", mname)
 			continue
 		}

 		mtype, err := prepareEndpoint(method)
 		if err != nil && h.opts.Logger.V(logger.ErrorLevel) {
-			h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("%v", err))
+			h.opts.Logger.Errorf(h.opts.Context, "%v", err)
 			continue
 		} else if mtype == nil {
-			h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("nil mtype for %s", mname))
 			continue
 		}

 		rcvr := reflect.ValueOf(handler)
 		name := reflect.Indirect(rcvr).Type().Name()

-		pth := &patHandler{mtype: mtype, name: name, rcvr: rcvr}
+		pth := patHandler{pat: pat, mtype: mtype, name: name, rcvr: rcvr}
 		hdlr.name = name
-
-		if err := hdlr.handlers.Insert([]string{md["Method"]}, md["Path"], pth); err != nil {
-			h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("cant add handler for %s %s", md["Method"][0], md["Path"][0]))
-		}
-
-		if h.registerRPC {
-			h.opts.Logger.Info(h.opts.Context, fmt.Sprintf("register rpc handler for http.MethodPost %s /%s", hn, hn))
-			if err := hdlr.handlers.Insert([]string{http.MethodPost}, "/"+hn, pth); err != nil {
-				h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("cant add rpc handler for http.MethodPost %s /%s", hn, hn))
-			}
-		}
-	}
-
-	metadata, ok := options.Context.Value(handlerEndpointsKey{}).([]EndpointMetadata)
-	if !ok {
-		return hdlr
-	}
-
-	for _, md := range metadata {
-		hn := md.Name
-		var method reflect.Method
-		mname := hn[strings.Index(hn, ".")+1:]
-		for m := 0; m < tp.NumMethod(); m++ {
-			mn := tp.Method(m)
-			if mn.Name != mname {
-				continue
-			}
-			method = mn
-			break
-		}
-
-		if method.Name == "" && h.opts.Logger.V(logger.ErrorLevel) {
-			h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("nil method for %s", mname))
-			continue
-		}
-
-		mtype, err := prepareEndpoint(method)
-		if err != nil && h.opts.Logger.V(logger.ErrorLevel) {
-			h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("%v", err))
-			continue
-		} else if mtype == nil {
-			h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("nil mtype for %s", mname))
-			continue
-		}
-
-		rcvr := reflect.ValueOf(handler)
-		name := reflect.Indirect(rcvr).Type().Name()
-
-		pth := &patHandler{mtype: mtype, name: name, rcvr: rcvr}
-		hdlr.name = name
-
-		if err := hdlr.handlers.Insert([]string{md.Method}, md.Path, pth); err != nil {
-			h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("cant add handler for %s %s", md.Method, md.Path))
-		}
-
-		if h.registerRPC {
-			h.opts.Logger.Info(h.opts.Context, fmt.Sprintf("register rpc handler for http.MethodPost %s /%s", hn, hn))
-			if err := hdlr.handlers.Insert([]string{http.MethodPost}, "/"+hn, pth); err != nil {
-				h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("cant add rpc handler for http.MethodPost %s /%s", hn, hn))
-			}
-		}
+		hdlr.handlers[md["Method"]] = append(hdlr.handlers[md["Method"]], pth)
 	}

 	return hdlr
 }

-func (h *Server) Register() error {
-	var eps []*register.Endpoint
-	h.RLock()
-	for _, hdlr := range h.handlers {
-		hd, ok := hdlr.(*httpHandler)
-		if !ok {
-			continue
-		}
-		eps = append(eps, hd.Endpoints()...)
+func (h *httpServer) NewSubscriber(topic string, handler interface{}, opts ...server.SubscriberOption) server.Subscriber {
+	return newSubscriber(topic, handler, opts...)
+}
+
+func (h *httpServer) Subscribe(sb server.Subscriber) error {
+	sub, ok := sb.(*httpSubscriber)
+	if !ok {
+		return fmt.Errorf("invalid subscriber: expected *httpSubscriber")
 	}
+	if len(sub.handlers) == 0 {
+		return fmt.Errorf("invalid subscriber: no handler functions")
+	}
+
+	if err := server.ValidateSubscriber(sb); err != nil {
+		return err
+	}
+
+	h.Lock()
+	defer h.Unlock()
+	_, ok = h.subscribers[sub]
+	if ok {
+		return fmt.Errorf("subscriber %v already exists", h)
+	}
+	h.subscribers[sub] = nil
+	return nil
+}
+
+func (h *httpServer) Register() error {
+	h.RLock()
+	eps := h.hd.Endpoints()
 	rsvc := h.rsvc
 	config := h.opts
 	h.RUnlock()
@ -308,16 +197,33 @@ func (h *Server) Register() error {
 	if err != nil {
 		return err
 	}
-	service.Nodes[0].Metadata.Set("protocol", "http")
+	service.Nodes[0].Metadata["protocol"] = "http"
 	service.Endpoints = eps

+	h.Lock()
+	var subscriberList []*httpSubscriber
+	for e := range h.subscribers {
+		// Only advertise non internal subscribers
+		if !e.Options().Internal {
+			subscriberList = append(subscriberList, e)
+		}
+	}
+	sort.Slice(subscriberList, func(i, j int) bool {
+		return subscriberList[i].topic > subscriberList[j].topic
+	})
+
+	for _, e := range subscriberList {
+		service.Endpoints = append(service.Endpoints, e.Endpoints()...)
+	}
+	h.Unlock()
+
 	h.RLock()
 	registered := h.registered
 	h.RUnlock()

 	if !registered {
 		if config.Logger.V(logger.InfoLevel) {
-			config.Logger.Info(config.Context, fmt.Sprintf("Register [%s] Registering node: %s", config.Register.String(), service.Nodes[0].ID))
+			config.Logger.Infof(config.Context, "Register [%s] Registering node: %s", config.Register.String(), service.Nodes[0].Id)
 		}
 	}

@ -332,14 +238,36 @@ func (h *Server) Register() error {
 	}

 	h.Lock()
+	defer h.Unlock()
+
+	for sb := range h.subscribers {
+		handler := h.createSubHandler(sb, config)
+		var opts []broker.SubscribeOption
+		if queue := sb.Options().Queue; len(queue) > 0 {
+			opts = append(opts, broker.SubscribeGroup(queue))
+		}
+
+		subCtx := config.Context
+		if cx := sb.Options().Context; cx != nil {
+			subCtx = cx
+		}
+		opts = append(opts, broker.SubscribeContext(subCtx))
+		opts = append(opts, broker.SubscribeAutoAck(sb.Options().AutoAck))
+
+		sub, err := config.Broker.Subscribe(subCtx, sb.Topic(), handler, opts...)
+		if err != nil {
+			return err
+		}
+		h.subscribers[sb] = []broker.Subscriber{sub}
+	}
+
 	h.registered = true
 	h.rsvc = service
-	h.Unlock()

 	return nil
 }

-func (h *Server) Deregister() error {
+func (h *httpServer) Deregister() error {
 	h.RLock()
 	config := h.opts
 	h.RUnlock()
@ -350,7 +278,7 @@ func (h *Server) Deregister() error {
 	}

 	if config.Logger.V(logger.InfoLevel) {
-		config.Logger.Info(config.Context, fmt.Sprintf("Deregistering node: %s", service.Nodes[0].ID))
+		config.Logger.Infof(config.Context, "Deregistering node: %s", service.Nodes[0].Id)
 	}

 	if err := server.DefaultDeregisterFunc(service, config); err != nil {
@ -366,13 +294,30 @@ func (h *Server) Deregister() error {
 	}

 	h.registered = false
+
+	subCtx := h.opts.Context
+	for sb, subs := range h.subscribers {
+		if cx := sb.Options().Context; cx != nil {
+			subCtx = cx
+		}
+
+		for _, sub := range subs {
+			config.Logger.Infof(config.Context, "Unsubscribing from topic: %s", sub.Topic())
+			if err := sub.Unsubscribe(subCtx); err != nil {
+				config.Logger.Errorf(config.Context, "failed to unsubscribe topic: %s, error: %v", sb.Topic(), err)
+				return err
+			}
+		}
+		h.subscribers[sb] = nil
+	}
 	h.Unlock()
 	return nil
 }

-func (h *Server) Start() error {
+func (h *httpServer) Start() error {
 	h.RLock()
 	config := h.opts
+	hd := h.hd
 	h.RUnlock()

 	// micro: config.Transport.Listen(config.Address)
@ -400,47 +345,29 @@ func (h *Server) Start() error {
 	}

 	if config.Logger.V(logger.InfoLevel) {
-		config.Logger.Info(config.Context, fmt.Sprintf("Listening on %s", ts.Addr().String()))
+		config.Logger.Infof(config.Context, "Listening on %s", ts.Addr().String())
 	}

 	h.Lock()
 	h.opts.Address = ts.Addr().String()
 	h.Unlock()

-	var handler http.Handler
-
-	// nolint: nestif
-	if h.opts.Context != nil {
-		if hs, ok := h.opts.Context.Value(serverKey{}).(*http.Server); ok && hs != nil {
-			if hs.Handler == nil && h.hd != nil {
-				if hdlr, ok := h.hd.(http.Handler); ok {
-					hs.Handler = hdlr
-					handler = hs.Handler
-				}
-			} else {
-				handler = hs.Handler
-			}
-		}
+	handler, ok := hd.Handler().(http.Handler)
+	if !ok {
+		handler, ok = hd.(http.Handler)
 	}

-	switch {
-	case handler == nil && h.hd == nil:
-		handler = h
-	case len(h.handlers) > 0 && h.hd != nil:
-		handler = h
-	case handler == nil && h.hd != nil:
-		if hdlr, ok := h.hd.(http.Handler); ok {
-			handler = hdlr
-		}
+	if !ok {
+		return errors.New("Server required http.Handler")
 	}

-	if handler == nil {
-		return fmt.Errorf("cant process with nil handler")
+	if err := config.Broker.Connect(h.opts.Context); err != nil {
+		return err
 	}

 	if err := config.RegisterCheck(h.opts.Context); err != nil {
 		if config.Logger.V(logger.ErrorLevel) {
-			config.Logger.Error(config.Context, fmt.Sprintf("Server %s-%s register check error: %s", config.Name, config.ID, err))
+			config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s", config.Name, config.Id, err)
 		}
 	} else {
 		if err = h.Register(); err != nil {
@ -449,8 +376,8 @@ func (h *Server) Start() error {
 	}

 	fn := handler
+	var srvFunc func(net.Listener) error

-	var hs *http.Server
 	if h.opts.Context != nil {
 		if mwf, ok := h.opts.Context.Value(middlewareKey{}).([]func(http.Handler) http.Handler); ok && len(mwf) > 0 {
 			// wrap the handler func
@ -458,19 +385,17 @@ func (h *Server) Start() error {
 				fn = mwf[i-1](fn)
 			}
 		}
-		var ok bool
-		if hs, ok = h.opts.Context.Value(serverKey{}).(*http.Server); ok && hs != nil {
+		if hs, ok := h.opts.Context.Value(serverKey{}).(*http.Server); ok && hs != nil {
 			hs.Handler = fn
-		} else {
-			hs = &http.Server{Handler: fn}
+			srvFunc = hs.Serve
 		}
 	}

-	go func() {
-		if cerr := hs.Serve(ts); cerr != nil && !errors.Is(cerr, net.ErrClosed) {
-			h.opts.Logger.Error(h.opts.Context, cerr.Error())
-		}
-	}()
+	if srvFunc != nil {
+		go srvFunc(ts)
+	} else {
+		go http.Serve(ts, fn)
+	}

 	go func() {
 		t := new(time.Ticker)
@ -493,31 +418,30 @@ func (h *Server) Start() error {
 				registered := h.registered
 				h.RUnlock()
 				rerr := config.RegisterCheck(h.opts.Context)
-				// nolint: nestif
 				if rerr != nil && registered {
 					if config.Logger.V(logger.ErrorLevel) {
-						config.Logger.Error(config.Context, fmt.Sprintf("Server %s-%s register check error: %s, deregister it", config.Name, config.ID, rerr))
+						config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s, deregister it", config.Name, config.Id, rerr)
 					}
 					// deregister self in case of error
 					if err := h.Deregister(); err != nil {
 						if config.Logger.V(logger.ErrorLevel) {
-							config.Logger.Error(config.Context, fmt.Sprintf("Server %s-%s deregister error: %s", config.Name, config.ID, err))
+							config.Logger.Errorf(config.Context, "Server %s-%s deregister error: %s", config.Name, config.Id, err)
 						}
 					}
 				} else if rerr != nil && !registered {
 					if config.Logger.V(logger.ErrorLevel) {
-						config.Logger.Error(config.Context, fmt.Sprintf("Server %s-%s register check error: %s", config.Name, config.ID, rerr))
+						config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s", config.Name, config.Id, rerr)
 					}
 					continue
 				}
 				if err := h.Register(); err != nil {
 					if config.Logger.V(logger.ErrorLevel) {
-						config.Logger.Error(config.Context, fmt.Sprintf("Server %s-%s register error: %s", config.Name, config.ID, err))
+						config.Logger.Errorf(config.Context, "Server %s-%s register error: %s", config.Name, config.Id, err)
 					}
 				}

 				if err := h.Register(); err != nil {
-					config.Logger.Error(config.Context, fmt.Sprintf("Server register error: %s", err))
+					config.Logger.Errorf(config.Context, "Server register error: %s", err)
 				}
 			// wait for exit
 			case ch = <-h.exit:
@ -525,49 +449,40 @@ func (h *Server) Start() error {
 			}
 		}

+		ch <- ts.Close()
+
 		// deregister
 		if err := h.Deregister(); err != nil {
-			config.Logger.Error(config.Context, fmt.Sprintf("Server deregister error: %s", err))
+			config.Logger.Errorf(config.Context, "Server deregister error: %s", err)
 		}

-		ctx, cancel := context.WithTimeout(context.Background(), h.opts.GracefulTimeout)
-		defer cancel()
-
-		err := hs.Shutdown(ctx)
-		if err != nil {
-			err = hs.Close()
+		if err := config.Broker.Disconnect(config.Context); err != nil {
+			config.Logger.Errorf(config.Context, "Broker disconnect error: %s", err)
 		}
-
-		ch <- err
 	}()

 	return nil
 }

-func (h *Server) Stop() error {
+func (h *httpServer) Stop() error {
 	ch := make(chan error)
 	h.exit <- ch
 	return <-ch
 }

-func (h *Server) String() string {
+func (h *httpServer) String() string {
 	return "http"
 }

-func (h *Server) Name() string {
+func (h *httpServer) Name() string {
 	return h.opts.Name
 }

-func NewServer(opts ...options.Option) *Server {
+func NewServer(opts ...server.Option) server.Server {
 	options := server.NewOptions(opts...)
-	eh := DefaultErrorHandler
-	if v, ok := options.Context.Value(errorHandlerKey{}).(errorHandler); ok && v != nil {
-		eh = v
-	}
-	return &Server{
-		opts:         options,
-		exit:         make(chan chan error),
-		errorHandler: eh,
-		pathHandlers: rhttp.NewTrie(),
+	return &httpServer{
+		opts:        options,
+		exit:        make(chan chan error),
+		subscribers: make(map[*httpSubscriber][]broker.Subscriber),
 	}
 }
--- a/message.go
+++ b/message.go
@ -1,23 +1,27 @@
 package http

 import (
-	"go.unistack.org/micro/v4/codec"
-	"go.unistack.org/micro/v4/metadata"
+	"github.com/unistack-org/micro/v3/codec"
+	"github.com/unistack-org/micro/v3/metadata"
 )

 type httpMessage struct {
-	payload     interface{}
-	codec       codec.Codec
-	header      metadata.Metadata
 	topic       string
+	payload     interface{}
 	contentType string
+	header      metadata.Metadata
 	body        []byte
+	codec       codec.Codec
 }

 func (r *httpMessage) Topic() string {
 	return r.topic
 }

+func (r *httpMessage) Payload() interface{} {
+	return r.payload
+}
+
 func (r *httpMessage) ContentType() string {
 	return r.contentType
 }
@ -26,8 +30,8 @@ func (r *httpMessage) Header() metadata.Metadata {
 	return r.header
 }

-func (r *httpMessage) Body() interface{} {
-	return r.payload
+func (r *httpMessage) Body() []byte {
+	return r.body
 }

 func (r *httpMessage) Codec() codec.Codec {
--- a/options.go
+++ b/options.go
@ -5,53 +5,26 @@ import (
 	"fmt"
 	"net/http"

-	"go.unistack.org/micro/v4/options"
+	"github.com/unistack-org/micro/v3/server"
 )

-// SetError pass error to caller
+type rspCodeKey struct{}
+type rspCodeVal struct {
+	code int
+}
+
 func SetError(err interface{}) error {
 	return &Error{err: err}
 }

-// GetError return underline error
-func GetError(err interface{}) interface{} {
-	if verr, ok := err.(*Error); ok {
-		return verr.err
-	}
-	return err
-}
-
-// Error struct holds error
 type Error struct {
 	err interface{}
 }

-// Error func for error interface
 func (err *Error) Error() string {
 	return fmt.Sprintf("%v", err.err)
 }

-type (
-	rspCodeKey struct{}
-	rspCodeVal struct {
-		code int
-	}
-)
-
-type (
-	rspHeaderKey struct{}
-	rspHeaderVal struct {
-		h http.Header
-	}
-)
-
-// SetRspHeader add response headers
-func SetRspHeader(ctx context.Context, h http.Header) {
-	if rsp, ok := ctx.Value(rspHeaderKey{}).(*rspHeaderVal); ok {
-		rsp.h = h
-	}
-}
-
 // SetRspCode saves response code in context, must be used by handler to specify http code
 func SetRspCode(ctx context.Context, code int) {
 	if rsp, ok := ctx.Value(rspCodeKey{}).(*rspCodeVal); ok {
@ -59,14 +32,6 @@ func SetRspCode(ctx context.Context, code int) {
 	}
 }

-// getRspHeader get http.Header from context
-func getRspHeader(ctx context.Context) http.Header {
-	if rsp, ok := ctx.Value(rspHeaderKey{}).(*rspHeaderVal); ok {
-		return rsp.h
-	}
-	return nil
-}
-
 // GetRspCode used internally by generated http server handler
 func GetRspCode(ctx context.Context) int {
 	var code int
@ -78,97 +43,12 @@ func GetRspCode(ctx context.Context) int {

 type middlewareKey struct{}

-// Middleware passes http middlewares
-func Middleware(mw ...func(http.Handler) http.Handler) options.Option {
-	return options.ContextOption(middlewareKey{}, mw)
+func Middleware(mw ...func(http.Handler) http.Handler) server.Option {
+	return server.SetOption(middlewareKey{}, mw)
 }

 type serverKey struct{}

-// HTTPServer provide ability to pass *http.Server
-func HTTPServer(hs *http.Server) options.Option {
-	return options.ContextOption(serverKey{}, hs)
-}
-
-type errorHandler func(ctx context.Context, s interface{}, w http.ResponseWriter, r *http.Request, err error, status int)
-
-type errorHandlerKey struct{}
-
-// ErrorHandler specifies handler for errors
-func ErrorHandler(fn errorHandler) options.Option {
-	return options.ContextOption(errorHandlerKey{}, fn)
-}
-
-type (
-	pathHandlerKey struct{}
-	pathHandlerVal struct {
-		h map[string]map[string]http.HandlerFunc
-	}
-)
-
-// PathHandler specifies http handler for path regexp
-func PathHandler(method, path string, handler http.HandlerFunc) options.Option {
-	return func(src interface{}) error {
-		vctx, err := options.Get(src, ".Context")
-		if err != nil {
-			return err
-		}
-		ctx, ok := vctx.(context.Context)
-		if !ok {
-			return fmt.Errorf("invalid option")
-		}
-
-		v, ok := ctx.Value(pathHandlerKey{}).(*pathHandlerVal)
-		if !ok {
-			v = &pathHandlerVal{h: make(map[string]map[string]http.HandlerFunc)}
-		}
-		m, ok := v.h[method]
-		if !ok {
-			m = make(map[string]http.HandlerFunc)
-			v.h[method] = m
-		}
-		ctx = context.WithValue(ctx, pathHandlerKey{}, v)
-		m[path] = handler
-		return options.Set(src, ctx, ".Context")
-	}
-}
-
-type registerRPCHandlerKey struct{}
-
-// RegisterRPCHandler registers compatibility endpoints with /ServiceName.ServiceEndpoint method POST
-func RegisterRPCHandler(b bool) options.Option {
-	return options.ContextOption(registerRPCHandlerKey{}, b)
-}
-
-type handlerEndpointsKey struct{}
-
-type EndpointMetadata struct {
-	Name   string
-	Path   string
-	Method string
-	Body   string
-	Stream bool
-}
-
-func HandlerEndpoints(md []EndpointMetadata) options.Option {
-	return options.ContextOption(handlerEndpointsKey{}, md)
-}
-
-type handlerOptions struct {
-	headers []string
-	cookies []string
-}
-
-type FillRequestOption func(*handlerOptions)
-
-func Header(headers ...string) FillRequestOption {
-	return func(o *handlerOptions) {
-		o.headers = append(o.headers, headers...)
-	}
-}
-
-func Cookie(cookies ...string) FillRequestOption {
-	return func(o *handlerOptions) {
-		o.cookies = append(o.cookies, cookies...)
-	}
+func Server(hs *http.Server) server.Option {
+	return server.SetOption(serverKey{}, hs)
 }
--- a/request.go
+++ b/request.go
@ -3,23 +3,31 @@ package http
 import (
 	"io"

-	"go.unistack.org/micro/v4/codec"
-	"go.unistack.org/micro/v4/metadata"
-	"go.unistack.org/micro/v4/server"
+	"github.com/unistack-org/micro/v3/codec"
+	"github.com/unistack-org/micro/v3/metadata"
 )

-var _ server.Request = &rpcRequest{}
-
 type rpcRequest struct {
 	rw          io.ReadWriter
-	payload     interface{}
-	codec       codec.Codec
-	header      metadata.Metadata
+	service     string
 	method      string
 	endpoint    string
+	target      string
 	contentType string
-	service     string
+	codec       codec.Codec
+	header      metadata.Metadata
+	body        []byte
 	stream      bool
+	payload     interface{}
+}
+
+type rpcMessage struct {
+	topic       string
+	contentType string
+	payload     interface{}
+	header      metadata.Metadata
+	body        []byte
+	codec       codec.Codec
 }

 func (r *rpcRequest) ContentType() string {
@ -35,7 +43,7 @@ func (r *rpcRequest) Method() string {
 }

 func (r *rpcRequest) Endpoint() string {
-	return r.endpoint
+	return r.method
 }

 func (r *rpcRequest) Codec() codec.Codec {
@ -61,3 +69,27 @@ func (r *rpcRequest) Stream() bool {
 func (r *rpcRequest) Body() interface{} {
 	return r.payload
 }
+
+func (r *rpcMessage) ContentType() string {
+	return r.contentType
+}
+
+func (r *rpcMessage) Topic() string {
+	return r.topic
+}
+
+func (r *rpcMessage) Payload() interface{} {
+	return r.payload
+}
+
+func (r *rpcMessage) Header() metadata.Metadata {
+	return r.header
+}
+
+func (r *rpcMessage) Body() []byte {
+	return r.body
+}
+
+func (r *rpcMessage) Codec() codec.Codec {
+	return r.codec
+}
--- a/server.go
+++ b/server.go
@ -7,16 +7,14 @@ import (
 	"unicode"
 	"unicode/utf8"

-	"go.unistack.org/micro/v4/server"
+	"github.com/unistack-org/micro/v3/server"
 )

-var typeOfError = reflect.TypeOf((*error)(nil)).Elem()
-
 type methodType struct {
+	method      reflect.Method
 	ArgType     reflect.Type
 	ReplyType   reflect.Type
 	ContextType reflect.Type
-	method      reflect.Method
 	stream      bool
 }

@ -64,14 +62,15 @@ func prepareEndpoint(method reflect.Method) (*methodType, error) {
 		return nil, fmt.Errorf("method %v of %v has wrong number of ins: %v", mname, mtype, mtype.NumIn())
 	}

-	switch stream {
-	case true:
+	if stream {
 		// check stream type
 		streamType := reflect.TypeOf((*server.Stream)(nil)).Elem()
 		if !argType.Implements(streamType) {
 			return nil, fmt.Errorf("%v argument does not implement Streamer interface: %v", mname, argType)
 		}
-	default:
+	} else {
+		// if not stream check the replyType
+
 		// First arg need not be a pointer.
 		if !isExportedOrBuiltinType(argType) {
 			return nil, fmt.Errorf("%v argument type not exported: %v", mname, argType)
--- a/subscriber.go
+++ b/subscriber.go
@ -0,0 +1,213 @@
+package http
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"reflect"
+	"strings"
+
+	"github.com/unistack-org/micro/v3/broker"
+	"github.com/unistack-org/micro/v3/codec"
+	"github.com/unistack-org/micro/v3/metadata"
+	"github.com/unistack-org/micro/v3/register"
+	"github.com/unistack-org/micro/v3/server"
+)
+
+const (
+	subSig = "func(context.Context, interface{}) error"
+)
+
+var typeOfError = reflect.TypeOf((*error)(nil)).Elem()
+
+type handler struct {
+	method  reflect.Value
+	reqType reflect.Type
+	ctxType reflect.Type
+}
+
+type httpSubscriber struct {
+	topic      string
+	rcvr       reflect.Value
+	typ        reflect.Type
+	subscriber interface{}
+	handlers   []*handler
+	endpoints  []*register.Endpoint
+	opts       server.SubscriberOptions
+}
+
+func newSubscriber(topic string, sub interface{}, opts ...server.SubscriberOption) server.Subscriber {
+	options := server.NewSubscriberOptions(opts...)
+
+	var endpoints []*register.Endpoint
+	var handlers []*handler
+
+	if typ := reflect.TypeOf(sub); typ.Kind() == reflect.Func {
+		h := &handler{
+			method: reflect.ValueOf(sub),
+		}
+
+		switch typ.NumIn() {
+		case 1:
+			h.reqType = typ.In(0)
+		case 2:
+			h.ctxType = typ.In(0)
+			h.reqType = typ.In(1)
+		}
+
+		handlers = append(handlers, h)
+		ep := &register.Endpoint{
+			Name:     "Func",
+			Request:  register.ExtractSubValue(typ),
+			Metadata: metadata.New(2),
+		}
+		ep.Metadata.Set("topic", topic)
+		ep.Metadata.Set("subscriber", "true")
+		endpoints = append(endpoints, ep)
+	} else {
+		hdlr := reflect.ValueOf(sub)
+		name := reflect.Indirect(hdlr).Type().Name()
+
+		for m := 0; m < typ.NumMethod(); m++ {
+			method := typ.Method(m)
+			h := &handler{
+				method: method.Func,
+			}
+
+			switch method.Type.NumIn() {
+			case 2:
+				h.reqType = method.Type.In(1)
+			case 3:
+				h.ctxType = method.Type.In(1)
+				h.reqType = method.Type.In(2)
+			}
+
+			handlers = append(handlers, h)
+			ep := &register.Endpoint{
+				Name:     name + "." + method.Name,
+				Request:  register.ExtractSubValue(method.Type),
+				Metadata: metadata.New(2),
+			}
+			ep.Metadata.Set("topic", topic)
+			ep.Metadata.Set("subscriber", "true")
+			endpoints = append(endpoints, ep)
+		}
+	}
+
+	return &httpSubscriber{
+		rcvr:       reflect.ValueOf(sub),
+		typ:        reflect.TypeOf(sub),
+		topic:      topic,
+		subscriber: sub,
+		handlers:   handlers,
+		endpoints:  endpoints,
+		opts:       options,
+	}
+}
+
+func (s *httpServer) createSubHandler(sb *httpSubscriber, opts server.Options) broker.Handler {
+	return func(p broker.Event) error {
+		msg := p.Message()
+		ct := msg.Header["Content-Type"]
+		cf, err := s.newCodec(ct)
+		if err != nil {
+			return err
+		}
+
+		hdr := metadata.Copy(msg.Header)
+		delete(hdr, "Content-Type")
+		ctx := metadata.NewContext(context.Background(), hdr)
+
+		results := make(chan error, len(sb.handlers))
+
+		for i := 0; i < len(sb.handlers); i++ {
+			handler := sb.handlers[i]
+
+			var isVal bool
+			var req reflect.Value
+
+			if handler.reqType.Kind() == reflect.Ptr {
+				req = reflect.New(handler.reqType.Elem())
+			} else {
+				req = reflect.New(handler.reqType)
+				isVal = true
+			}
+			if isVal {
+				req = req.Elem()
+			}
+
+			buf := bytes.NewBuffer(msg.Body)
+
+			if err := cf.ReadHeader(buf, &codec.Message{}, codec.Event); err != nil {
+				return err
+			}
+
+			if err := cf.ReadBody(buf, req.Interface()); err != nil {
+				return err
+			}
+
+			fn := func(ctx context.Context, msg server.Message) error {
+				var vals []reflect.Value
+				if sb.typ.Kind() != reflect.Func {
+					vals = append(vals, sb.rcvr)
+				}
+				if handler.ctxType != nil {
+					vals = append(vals, reflect.ValueOf(ctx))
+				}
+
+				vals = append(vals, reflect.ValueOf(msg.Payload()))
+
+				returnValues := handler.method.Call(vals)
+				if err := returnValues[0].Interface(); err != nil {
+					return err.(error)
+				}
+				return nil
+			}
+
+			for i := len(opts.SubWrappers); i > 0; i-- {
+				fn = opts.SubWrappers[i-1](fn)
+			}
+
+			go func() {
+				results <- fn(ctx, &httpMessage{
+					topic:       sb.topic,
+					contentType: ct,
+					payload:     req.Interface(),
+					header:      msg.Header,
+					body:        msg.Body,
+					codec:       cf,
+				})
+			}()
+		}
+
+		var errors []string
+
+		for i := 0; i < len(sb.handlers); i++ {
+			if err := <-results; err != nil {
+				errors = append(errors, err.Error())
+			}
+		}
+
+		if len(errors) > 0 {
+			return fmt.Errorf("subscriber error: %s", strings.Join(errors, "\n"))
+		}
+
+		return nil
+	}
+}
+
+func (s *httpSubscriber) Topic() string {
+	return s.topic
+}
+
+func (s *httpSubscriber) Subscriber() interface{} {
+	return s.subscriber
+}
+
+func (s *httpSubscriber) Endpoints() []*register.Endpoint {
+	return s.endpoints
+}
+
+func (s *httpSubscriber) Options() server.SubscriberOptions {
+	return s.opts
+}
--- a/tools.go
+++ b/tools.go
@ -1,8 +0,0 @@
-//go:build tools
-
-package http
-
-import (
-	_ "go.unistack.org/micro-proto/v4"
-	_ "go.unistack.org/protoc-gen-go-micro/v4"
-)
--- a/util.go
+++ b/util.go
@ -1,53 +0,0 @@
-package http
-
-import (
-	"context"
-	"net/http"
-	"strings"
-
-	"go.unistack.org/micro/v4/metadata"
-	rutil "go.unistack.org/micro/v4/util/reflect"
-)
-
-func FillRequest(ctx context.Context, req interface{}, opts ...FillRequestOption) error {
-	var err error
-	options := handlerOptions{}
-	for _, o := range opts {
-		o(&options)
-	}
-	md, ok := metadata.FromIncomingContext(ctx)
-	if !ok {
-		return nil
-	}
-
-	for idx := 0; idx < len(options.headers)/2; idx += 2 {
-		k := http.CanonicalHeaderKey(options.headers[idx])
-		v, ok := md[k]
-		if !ok {
-			continue
-		}
-		if err = rutil.SetFieldByPath(req, v, k); err != nil {
-			return err
-		}
-	}
-
-	cookies := md["Cookie"]
-	cmd := make(map[string]string, len(cookies))
-	kv := strings.Split(cookies, "=")
-	if len(kv) != 2 {
-		return nil
-	}
-	cmd[strings.TrimSpace(kv[0])] = strings.TrimSpace(kv[1])
-	for idx := 0; idx < len(options.cookies)/2; idx += 2 {
-		k := http.CanonicalHeaderKey(options.cookies[idx])
-		v, ok := cmd[k]
-		if !ok {
-			continue
-		}
-		if err = rutil.SetFieldByPath(req, v, k); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
--- a/util_test.go
+++ b/util_test.go
@ -1,56 +0,0 @@
-package http
-
-import (
-	"bytes"
-	"context"
-	"net/http"
-	"strings"
-	"testing"
-
-	"go.unistack.org/micro/v4/metadata"
-)
-
-func TestFillrequest(t *testing.T) {
-	md := metadata.New(1)
-	md.Set("ClientID", "xxx")
-	type request struct {
-		Token    string
-		ClientID string
-	}
-	ctx := context.Background()
-	hreq, _ := http.NewRequestWithContext(ctx, http.MethodGet, "/v1", nil)
-	cookie1 := &http.Cookie{Name: "Token", Value: "zzz"}
-	cookie2 := &http.Cookie{Name: "Token", Value: "zzz"}
-	hreq.AddCookie(cookie1)
-	hreq.AddCookie(cookie2)
-
-	buf := bytes.NewBuffer(nil)
-	_ = hreq.Write(buf)
-	var cookie string
-	var line string
-	var err error
-	for {
-		line, err = buf.ReadString('\n')
-		if err != nil {
-			break
-		}
-		if strings.Contains(line, "Cookie") {
-			cookie = strings.TrimSpace(strings.Split(line, ":")[1])
-			break
-		}
-	}
-
-	md.Set("Cookie", cookie)
-	ctx = metadata.NewIncomingContext(ctx, md)
-	req := &request{}
-
-	if err := FillRequest(ctx, req, Cookie("Token", "true"), Header("ClientID", "true")); err != nil {
-		t.Fatal(err)
-	}
-	if req.ClientID != "xxx" {
-		t.Fatalf("FillRequest error: %#+v", req)
-	}
-	if req.Token != "zzz" {
-		t.Fatalf("FillRequest error: %#+v", req)
-	}
-}