Merge pull request 'move to micro v4' (#154) from v4 into master

Reviewed-on: #154

.github/workflows/autoapprove.yml

@@ -0,0 +1,20 @@
+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 }}

.github/workflows/automerge.yml

@@ -0,0 +1,21 @@
+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}}

.github/workflows/build.yml

@@ -3,19 +3,20 @@ on:
  push:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
     runs-on: ubuntu-latest
     steps:
     - name: setup
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
       with:
-        go-version: 1.16
+        go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/go/pkg/mod
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3.4.0
         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.

.github/workflows/codeql-analysis.yml

@@ -43,14 +43,14 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: setup
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
       with:
-        go-version: 1.16
+        go-version: 1.17
     # Initializes the CodeQL tools for scanning.
     - name: init
-      uses: github/codeql-action/init@v1
+      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.
@@ -61,7 +61,7 @@ jobs:
     # 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@v1
+      uses: github/codeql-action/autobuild@v2
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -75,4 +75,4 @@ jobs:
     #   make release
 
     - name: analyze
-      uses: github/codeql-action/analyze@v1
+      uses: github/codeql-action/analyze@v2

.github/workflows/dependabot-automerge.yml

@@ -1,4 +1,4 @@
-name: "prautomerge"
+name: "dependabot-automerge"
 
 on:
   pull_request_target:
@@ -9,21 +9,17 @@ permissions:
   contents: write
 
 jobs:
-  dependabot:
+  automerge:
     runs-on: ubuntu-latest
-    if: ${{ github.actor == 'dependabot[bot]' }}
+    if: github.actor == 'dependabot[bot]'
     steps:
       - name: metadata
         id: metadata
-        uses: dependabot/fetch-metadata@v1.1.1
+        uses: dependabot/fetch-metadata@v1.3.6
         with:
           github-token: "${{ secrets.TOKEN }}"
-      - name: approve
-        run: gh pr review --approve "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          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:

.github/workflows/pr.yml

@@ -3,19 +3,20 @@ on:
   pull_request:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
     runs-on: ubuntu-latest
     steps:
     - name: setup
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
       with:
-        go-version: 1.16
+        go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/go/pkg/mod
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3.4.0
         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.

README.md

@@ -9,8 +9,8 @@ to create a HTTP Server that could potentially be used for REST based API servic
 import (
 	"net/http"
 
-	"github.com/unistack-org/micro/v3/server"
+	"go.unistack.org/micro/v4/server"
-	httpServer "github.com/unistack-org/micro-server-http"
+	httpServer "go.unistack.org/micro-server-http/v4"
 )
 
 func main() {
@@ -37,9 +37,9 @@ Or as part of a service
 import (
 	"net/http"
 
-	"github.com/unistack-org/micro/v3"
+	"go.unistack.org/micro/v4"
-	"github.com/unistack-org/micro/v3/server"
+	"go.unistack.org/micro/v4/server"
-	httpServer "github.com/unistack-org/micro-server-http"
+	httpServer "go.unistack.org/micro-server-http/v4"
 )
 
 func main() {

go.mod

@@ -1,8 +1,16 @@
-module go.unistack.org/micro-server-http/v3
+module go.unistack.org/micro-server-http/v4
 
-go 1.16
+go 1.19
 
 require (
-	go.unistack.org/micro/v3 v3.8.18
+	go.unistack.org/micro-proto/v4 v4.0.0
-	golang.org/x/net v0.0.0-20220121210141-e204ce36a2ba
+	go.unistack.org/micro/v4 v4.0.1
+	golang.org/x/net v0.7.0
+)
+
+require (
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/gnostic v0.6.9 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,35 +1,153 @@
-github.com/ef-ds/deque v1.0.4/go.mod h1:gXDnTC3yqvBcHbq2lcExjtAcVrOnJCbMcZXmuj8Z4tg=
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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handler.go

@@ -9,13 +9,13 @@ import (
 	"strings"
 	"sync"
 
-	"go.unistack.org/micro/v3/errors"
+	"go.unistack.org/micro/v4/errors"
-	"go.unistack.org/micro/v3/logger"
+	"go.unistack.org/micro/v4/logger"
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/metadata"
-	"go.unistack.org/micro/v3/register"
+	"go.unistack.org/micro/v4/register"
-	"go.unistack.org/micro/v3/server"
+	"go.unistack.org/micro/v4/server"
-	rhttp "go.unistack.org/micro/v3/util/http"
+	rhttp "go.unistack.org/micro/v4/util/http"
-	rflutil "go.unistack.org/micro/v3/util/reflect"
+	rflutil "go.unistack.org/micro/v4/util/reflect"
 )
 
 var (
@@ -62,7 +62,7 @@ func (h *httpHandler) Options() server.HandlerOptions {
 
 func (h *httpServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	// check for http.HandlerFunc handlers
-	if ph, _, ok := h.pathHandlers.Search(r.Method, r.URL.Path); ok {
+	if ph, _, err := h.pathHandlers.Search(r.Method, r.URL.Path); err == nil {
 		ph.(http.HandlerFunc)(w, r)
 		return
 	}
@@ -73,21 +73,22 @@ func (h *httpServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 
 	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.Set(k, strings.Join(v, ", "))
+		md[k] = strings.Join(v, ", ")
 	}
-	md.Set("RemoteAddr", r.RemoteAddr)
+	md["RemoteAddr"] = r.RemoteAddr
-	md.Set("Method", r.Method)
+	md["Method"] = r.Method
-	md.Set("URL", r.URL.String())
+	md["URL"] = r.URL.String()
-	md.Set("Proto", r.Proto)
+	md["Proto"] = r.Proto
-	md.Set("ContentLength", fmt.Sprintf("%d", r.ContentLength))
+	md["ContentLength"] = fmt.Sprintf("%d", r.ContentLength)
-	md.Set("TransferEncoding", strings.Join(r.TransferEncoding, ","))
+	md["TransferEncoding"] = strings.Join(r.TransferEncoding, ",")
-	md.Set("Host", r.Host)
+	md["Host"] = r.Host
-	md.Set("RequestURI", r.RequestURI)
+	md["RequestURI"] = r.RequestURI
 	ctx = metadata.NewIncomingContext(ctx, md)
 
 	defer r.Body.Close()
@@ -98,12 +99,6 @@ func (h *httpServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	cf, err := h.newCodec(ct)
-	if err != nil {
-		h.errorHandler(ctx, nil, w, r, err, http.StatusBadRequest)
-		return
-	}
-
 	matches := make(map[string]interface{})
 
 	var match bool
@@ -112,8 +107,8 @@ func (h *httpServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 
 	for _, shdlr := range h.handlers {
 		hdlr := shdlr.(*httpHandler)
-		fh, mp, ok := hdlr.handlers.Search(r.Method, path)
+		fh, mp, err := hdlr.handlers.Search(r.Method, path)
-		if ok {
+		if err == nil {
 			match = true
 			for k, v := range mp {
 				matches[k] = v
@@ -121,10 +116,39 @@ func (h *httpServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 			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 {
+	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.Handler().(http.Handler); ok {
+			hdlr.ServeHTTP(w, r)
+			return
+		}
+	} else if !match {
 		h.errorHandler(ctx, nil, w, r, fmt.Errorf("not matching route found"), http.StatusNotFound)
 		return
 	}
@@ -141,6 +165,12 @@ func (h *httpServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
+	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.
@@ -184,14 +214,14 @@ func (h *httpServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		service:     handler.sopts.Name,
 		contentType: ct,
 		method:      fmt.Sprintf("%s.%s", hldr.name, hldr.mtype.method.Name),
-		body:        buf,
+		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), reflect.ValueOf(argv.Interface()), reflect.ValueOf(rsp)})
+		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 {
@@ -235,6 +265,13 @@ func (h *httpServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 			w.Header().Set(k, 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)

handler/health/generate.go

@@ -0,0 +1,8 @@
+package health
+
+//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.proto"
+
+import (
+	// import required packages
+	_ "go.unistack.org/micro-proto/v4/openapiv3"
+)

handler/health/health.go

@@ -0,0 +1,82 @@
+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{}
+
+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
+}

handler/health/health.proto

@@ -0,0 +1,50 @@
+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"; };
+  };
+};

handler/health/health_micro.pb.go

@@ -0,0 +1,48 @@
+// Code generated by protoc-gen-go-micro. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-micro v4.10.2
+// - protoc              v4.21.12
+// source: health.proto
+
+package health
+
+import (
+	context "context"
+	codec "go.unistack.org/micro-proto/v4/codec"
+	v4 "go.unistack.org/micro-server-http/v4"
+)
+
+var (
+	HealthServiceName = "HealthService"
+)
+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 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
+}

handler/health/health_micro_http.pb.go

@@ -0,0 +1,43 @@
+// Code generated by protoc-gen-go-micro. DO NOT EDIT.
+// protoc-gen-go-micro version: v4.10.2
+// source: health.proto
+
+package health
+
+import (
+	context "context"
+	codec "go.unistack.org/micro-proto/v4/codec"
+	v4 "go.unistack.org/micro-server-http/v4"
+	server "go.unistack.org/micro/v4/server"
+)
+
+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 ...server.HandlerOption) 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 []server.HandlerOption
+	nopts = append(nopts, v4.HandlerEndpoints(HealthServiceServerEndpoints))
+	return s.Handle(s.NewHandler(&HealthService{h}, append(nopts, opts...)...))
+}

handler/meter/generate.go

@@ -0,0 +1,8 @@
+package meter
+
+//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.proto"
+
+import (
+	// import required packages
+	_ "go.unistack.org/micro-proto/v4/openapiv3"
+)

handler/meter/meter.go

@@ -0,0 +1,67 @@
+package meter // import "go.unistack.org/micro-server-http/v4/handler/meter"
+
+import (
+	"bytes"
+	"context"
+
+	codecpb "go.unistack.org/micro-proto/v4/codec"
+	"go.unistack.org/micro/v4/errors"
+	"go.unistack.org/micro/v4/meter"
+)
+
+// guard to fail early
+var _ MeterServiceServer = &Handler{}
+
+type Handler struct {
+	opts Options
+}
+
+type Option func(*Options)
+
+type Options struct {
+	Meter        meter.Meter
+	Name         string
+	MeterOptions []meter.Option
+}
+
+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 MeterOptions(opts ...meter.Option) Option {
+	return func(o *Options) {
+		o.MeterOptions = append(o.MeterOptions, opts...)
+	}
+}
+
+func NewOptions(opts ...Option) Options {
+	options := Options{Meter: meter.DefaultMeter}
+	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 {
+	buf := bytes.NewBuffer(nil)
+	if err := h.opts.Meter.Write(buf, h.opts.MeterOptions...); err != nil {
+		return errors.InternalServerError(h.opts.Name, "%v", err)
+	}
+
+	rsp.Data = buf.Bytes()
+
+	return nil
+}

handler/meter/meter.proto

@@ -0,0 +1,24 @@
+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"; };
+  };
+};

handler/meter/meter_micro.pb.go

@@ -0,0 +1,32 @@
+// Code generated by protoc-gen-go-micro. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-micro v4.10.2
+// - protoc              v4.21.12
+// source: meter.proto
+
+package meter
+
+import (
+	context "context"
+	codec "go.unistack.org/micro-proto/v4/codec"
+	v4 "go.unistack.org/micro-server-http/v4"
+)
+
+var (
+	MeterServiceName = "MeterService"
+)
+var (
+	MeterServiceServerEndpoints = []v4.EndpointMetadata{
+		{
+			Name:   "MeterService.Metrics",
+			Path:   "/metrics",
+			Method: "GET",
+			Body:   "",
+			Stream: false,
+		},
+	}
+)
+
+type MeterServiceServer interface {
+	Metrics(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
+}

handler/meter/meter_micro_http.pb.go

@@ -0,0 +1,33 @@
+// Code generated by protoc-gen-go-micro. DO NOT EDIT.
+// protoc-gen-go-micro version: v4.10.2
+// source: meter.proto
+
+package meter
+
+import (
+	context "context"
+	codec "go.unistack.org/micro-proto/v4/codec"
+	v4 "go.unistack.org/micro-server-http/v4"
+	server "go.unistack.org/micro/v4/server"
+)
+
+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 ...server.HandlerOption) error {
+	type meterService interface {
+		Metrics(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
+	}
+	type MeterService struct {
+		meterService
+	}
+	h := &meterServiceServer{sh}
+	var nopts []server.HandlerOption
+	nopts = append(nopts, v4.HandlerEndpoints(MeterServiceServerEndpoints))
+	return s.Handle(s.NewHandler(&MeterService{h}, append(nopts, opts...)...))
+}

http.go

@@ -1,9 +1,10 @@
 // Package http implements a go-micro.Server
-package http // import "go.unistack.org/micro-server-http/v3"
+package http // import "go.unistack.org/micro-server-http/v4"
 
 import (
 	"context"
 	"crypto/tls"
+	"errors"
 	"fmt"
 	"net"
 	"net/http"
@@ -13,15 +14,17 @@ import (
 	"sync"
 	"time"
 
-	"go.unistack.org/micro/v3/broker"
+	"go.unistack.org/micro/v4/broker"
-	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v4/codec"
-	"go.unistack.org/micro/v3/logger"
+	"go.unistack.org/micro/v4/logger"
-	"go.unistack.org/micro/v3/register"
+	"go.unistack.org/micro/v4/register"
-	"go.unistack.org/micro/v3/server"
+	"go.unistack.org/micro/v4/server"
-	rhttp "go.unistack.org/micro/v3/util/http"
+	rhttp "go.unistack.org/micro/v4/util/http"
 	"golang.org/x/net/netutil"
 )
 
+var _ server.Server = &httpServer{}
+
 type httpServer struct {
 	hd           server.Handler
 	rsvc         *register.Service
@@ -106,10 +109,6 @@ func (h *httpServer) Init(opts ...server.Option) error {
 		h.RUnlock()
 		return err
 	}
-	if err := h.opts.Auth.Init(); err != nil {
-		h.RUnlock()
-		return err
-	}
 	if err := h.opts.Logger.Init(); err != nil {
 		h.RUnlock()
 		return err
@@ -181,6 +180,17 @@ func (h *httpServer) NewHandler(handler interface{}, opts ...server.HandlerOptio
 
 	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 hn, md := range options.Metadata {
 		var method reflect.Method
 		mname := hn[strings.Index(hn, ".")+1:]
@@ -218,8 +228,59 @@ func (h *httpServer) NewHandler(handler interface{}, opts ...server.HandlerOptio
 		}
 
 		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 handler for %s %s", md["Method"], md["Path"])
+				h.opts.Logger.Errorf(h.opts.Context, "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.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.Errorf(h.opts.Context, "%v", err)
+			continue
+		} else if mtype == nil {
+			h.opts.Logger.Errorf(h.opts.Context, "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.Errorf(h.opts.Context, "cant add handler for %s %s", md.Method, md.Path)
+		}
+
+		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)
 			}
 		}
 	}
@@ -330,6 +391,7 @@ func (h *httpServer) Register() error {
 		}
 		opts = append(opts, broker.SubscribeContext(subCtx))
 		opts = append(opts, broker.SubscribeAutoAck(sb.Options().AutoAck))
+		opts = append(opts, broker.SubscribeBodyOnly(sb.Options().BodyOnly))
 
 		sub, err := config.Broker.Subscribe(subCtx, sb.Topic(), handler, opts...)
 		if err != nil {
@@ -448,9 +510,12 @@ func (h *httpServer) Start() error {
 		}
 	}
 
-	if handler == nil && h.hd == nil {
+	switch {
+	case handler == nil && h.hd == nil:
 		handler = h
-	} else if handler == nil && h.hd != nil {
+	case len(h.handlers) > 0 && h.hd != nil:
+		handler = h
+	case handler == nil && h.hd != nil:
 		if hdlr, ok := h.hd.Handler().(http.Handler); ok {
 			handler = hdlr
 		}
@@ -491,13 +556,13 @@ func (h *httpServer) Start() error {
 
 	if srvFunc != nil {
 		go func() {
-			if cerr := srvFunc(ts); cerr != nil && !strings.Contains(cerr.Error(), "use of closed network connection") {
+			if cerr := srvFunc(ts); cerr != nil && !errors.Is(cerr, net.ErrClosed) {
 				h.opts.Logger.Error(h.opts.Context, cerr)
 			}
 		}()
 	} else {
 		go func() {
-			if cerr := http.Serve(ts, fn); cerr != nil && !strings.Contains(cerr.Error(), "use of closed network connection") {
+			if cerr := http.Serve(ts, fn); cerr != nil && !errors.Is(cerr, net.ErrClosed) {
 				h.opts.Logger.Error(h.opts.Context, cerr)
 			}
 		}()
@@ -585,13 +650,17 @@ func (h *httpServer) Name() string {
 	return h.opts.Name
 }
 
-func NewServer(opts ...server.Option) server.Server {
+func NewServer(opts ...server.Option) *httpServer {
 	options := server.NewOptions(opts...)
+	eh := DefaultErrorHandler
+	if v, ok := options.Context.Value(errorHandlerKey{}).(errorHandler); ok && v != nil {
+		eh = v
+	}
 	return &httpServer{
 		opts:         options,
 		exit:         make(chan chan error),
 		subscribers:  make(map[*httpSubscriber][]broker.Subscriber),
-		errorHandler: DefaultErrorHandler,
+		errorHandler: eh,
 		pathHandlers: rhttp.NewTrie(),
 	}
 }

message.go

@@ -1,8 +1,8 @@
 package http
 
 import (
-	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v4/codec"
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/metadata"
 )
 
 type httpMessage struct {
@@ -18,10 +18,6 @@ func (r *httpMessage) Topic() string {
 	return r.topic
 }
 
-func (r *httpMessage) Payload() interface{} {
-	return r.payload
-}
-
 func (r *httpMessage) ContentType() string {
 	return r.contentType
 }
@@ -30,8 +26,8 @@ func (r *httpMessage) Header() metadata.Metadata {
 	return r.header
 }
 
-func (r *httpMessage) Body() []byte {
+func (r *httpMessage) Body() interface{} {
-	return r.body
+	return r.payload
 }
 
 func (r *httpMessage) Codec() codec.Codec {

options.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"net/http"
 
-	"go.unistack.org/micro/v3/server"
+	"go.unistack.org/micro/v4/server"
 )
 
 // SetError pass error to caller
@@ -38,6 +38,20 @@ type (
 	}
 )
 
+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 {
@@ -45,6 +59,14 @@ 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
@@ -68,10 +90,12 @@ func Server(hs *http.Server) server.Option {
 	return server.SetOption(serverKey{}, hs)
 }
 
+type errorHandler func(ctx context.Context, s server.Handler, w http.ResponseWriter, r *http.Request, err error, status int)
+
 type errorHandlerKey struct{}
 
 // ErrorHandler specifies handler for errors
-func ErrorHandler(fn func(ctx context.Context, s server.Handler, w http.ResponseWriter, r *http.Request, err error, status int)) server.Option {
+func ErrorHandler(fn errorHandler) server.Option {
 	return server.SetOption(errorHandlerKey{}, fn)
 }
 
@@ -109,7 +133,19 @@ func RegisterRPCHandler(b bool) server.Option {
 	return server.SetOption(registerRPCHandlerKey{}, b)
 }
 
-type headerKey struct{}
+type handlerEndpointsKey struct{}
+
+type EndpointMetadata struct {
+	Name   string
+	Path   string
+	Method string
+	Body   string
+	Stream bool
+}
+
+func HandlerEndpoints(md []EndpointMetadata) server.HandlerOption {
+	return server.SetHandlerOption(handlerEndpointsKey{}, md)
+}
 
 type handlerOptions struct {
 	headers []string

request.go

@@ -3,9 +3,9 @@ package http
 import (
 	"io"
 
-	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v4/codec"
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/metadata"
-	"go.unistack.org/micro/v3/server"
+	"go.unistack.org/micro/v4/server"
 )
 
 var (
@@ -22,7 +22,6 @@ type rpcRequest struct {
 	endpoint    string
 	contentType string
 	service     string
-	body        []byte
 	stream      bool
 }
 
@@ -32,7 +31,6 @@ type rpcMessage struct {
 	header      metadata.Metadata
 	topic       string
 	contentType string
-	body        []byte
 }
 
 func (r *rpcRequest) ContentType() string {
@@ -83,7 +81,7 @@ func (r *rpcMessage) Topic() string {
 	return r.topic
 }
 
-func (r *rpcMessage) Payload() interface{} {
+func (r *rpcMessage) Body() interface{} {
 	return r.payload
 }
 
@@ -91,10 +89,6 @@ 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
 }

server.go

@@ -7,7 +7,7 @@ import (
 	"unicode"
 	"unicode/utf8"
 
-	"go.unistack.org/micro/v3/server"
+	"go.unistack.org/micro/v4/server"
 )
 
 type methodType struct {

subscriber.go

@@ -7,11 +7,11 @@ import (
 	"reflect"
 	"strings"
 
-	"go.unistack.org/micro/v3/broker"
+	"go.unistack.org/micro/v4/broker"
-	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v4/codec"
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/metadata"
-	"go.unistack.org/micro/v3/register"
+	"go.unistack.org/micro/v4/register"
-	"go.unistack.org/micro/v3/server"
+	"go.unistack.org/micro/v4/server"
 )
 
 var typeOfError = reflect.TypeOf((*error)(nil)).Elem()
@@ -151,7 +151,7 @@ func (s *httpServer) createSubHandler(sb *httpSubscriber, opts server.Options) b
 					vals = append(vals, reflect.ValueOf(ctx))
 				}
 
-				vals = append(vals, reflect.ValueOf(msg.Payload()))
+				vals = append(vals, reflect.ValueOf(msg.Body()))
 
 				returnValues := handler.method.Call(vals)
 				if err := returnValues[0].Interface(); err != nil {
@@ -170,7 +170,6 @@ func (s *httpServer) createSubHandler(sb *httpSubscriber, opts server.Options) b
 					contentType: ct,
 					payload:     req.Interface(),
 					header:      msg.Header,
-					body:        msg.Body,
 					codec:       cf,
 				})
 			}()

util.go

@@ -5,8 +5,8 @@ import (
 	"net/http"
 	"strings"
 
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/metadata"
-	rutil "go.unistack.org/micro/v3/util/reflect"
+	rutil "go.unistack.org/micro/v4/util/reflect"
 )
 
 func FillRequest(ctx context.Context, req interface{}, opts ...FillRequestOption) error {

util_test.go

@@ -7,7 +7,7 @@ import (
 	"strings"
 	"testing"
 
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/metadata"
 )
 
 func TestFillrequest(t *testing.T) {