Merge pull request 'move to micro v4' (#109) from v4 into master

Reviewed-on: #109

.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

@@ -9,7 +9,7 @@
 # the `language` matrix defined below to confirm you have the correct set of
 # supported CodeQL languages.
 #
-name: "CodeQL"
+name: "codeql"
 
 on:
   workflow_run:
@@ -17,16 +17,16 @@ on:
     types:
       - completed
   push:
-    branches: [ master ]
+    branches: [ master, v3 ]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [ master ]
+    branches: [ master, v3 ]
   schedule:
     - cron: '34 1 * * 0'
 
 jobs:
   analyze:
-    name: Analyze
+    name: analyze
     runs-on: ubuntu-latest
     permissions:
       actions: read
@@ -42,12 +42,15 @@ jobs:
         # 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 repository
-      uses: actions/checkout@v2
-
+    - 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: Initialize CodeQL
-      uses: github/codeql-action/init@v1
+    - 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.
@@ -57,8 +60,8 @@ 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
+    - name: autobuild
+      uses: github/codeql-action/autobuild@v2
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -71,5 +74,5 @@ jobs:
     #   make bootstrap
     #   make release
 
-    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v1
+    - name: analyze
+      uses: github/codeql-action/analyze@v2

.github/workflows/dependabot-automerge.yml

@@ -1,66 +1,27 @@
-name: "prautomerge"
+name: "dependabot-automerge"
 
 on:
-  workflow_run:
-    workflows: ["prbuild"]
-    types:
-      - completed
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
 
 permissions:
-  contents: write
   pull-requests: write
+  contents: write
 
 jobs:
-  Dependabot-Automerge:
+  automerge:
     runs-on: ubuntu-latest
-    # Contains workaround to execute if dependabot updates the PR by checking for the base branch in the linked PR
-    # The the github.event.workflow_run.event value is 'push' and not 'pull_request'
-    # dont work with multiple workflows when last returns success
-    if: >-
-      github.event.workflow_run.conclusion == 'success'
-      && github.actor == 'dependabot[bot]'
-      && github.event.sender.login == 'dependabot[bot]'
-      && github.event.sender.type == 'Bot'
-      && (github.event.workflow_run.event == 'pull_request'
-          || (github.event.workflow_run.event == 'push' && github.event.workflow_run.pull_requests[0].base.ref == github.event.repository.default_branch ))
+    if: github.actor == 'dependabot[bot]'
     steps:
-      - name: Approve Changes and Merge changes if label 'dependencies' is set
-        uses: actions/github-script@v4
+      - name: metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.3.6
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            console.log(context.payload.workflow_run);
-            
-            var labelNames = await github.paginate(
-              github.issues.listLabelsOnIssue,
-              {
-                repo: context.repo.repo,
-                owner: context.repo.owner,
-                issue_number: context.payload.workflow_run.pull_requests[0].number,
-              },
-              (response) => response.data.map(
-                (label) => label.name
-              )
-            );
-
-            console.log(labelNames);
-
-            if (labelNames.includes('dependencies')) {
-              console.log('Found label');
-
-              await github.pulls.createReview({
-                repo: context.repo.repo,
-                owner: context.repo.owner,
-                pull_number: context.payload.workflow_run.pull_requests[0].number,
-                event: 'APPROVE'
-              });
-              console.log('Approved PR');
-
-              await github.pulls.merge({
-                repo: context.repo.repo,
-                owner: context.repo.owner,
-                pull_number: context.payload.workflow_run.pull_requests[0].number,
-              });
-
-              console.log('Merged PR');
-            }
+          github-token: "${{ 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}}

.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

@@ -5,14 +5,14 @@ This plugin is a http client for micro.
 ## Overview
 
 The http client wraps `net/http` to provide a robust micro client with service discovery, load balancing and streaming. 
-It complies with the [micro.Client](https://godoc.org/go.unistack.org/micro-client-http/v3#Client) interface.
+It complies with the [micro.Client](https://godoc.org/go.unistack.org/micro-client-http/v4#Client) interface.
 
 ## Usage
 
 ### Use directly
 
 ```go
-import "go.unistack.org/micro-client-http/v3"
+import "go.unistack.org/micro-client-http/v4"
 
 service := micro.NewService(
 	micro.Name("my.service"),

go.mod

@@ -1,5 +1,5 @@
-module go.unistack.org/micro-client-http/v3
+module go.unistack.org/micro-client-http/v4
 
-go 1.16
+go 1.19
 
-require go.unistack.org/micro/v3 v3.8.4
+require go.unistack.org/micro/v4 v4.0.1

go.sum

@@ -1,26 +1,2 @@
-github.com/ef-ds/deque v1.0.4/go.mod h1:gXDnTC3yqvBcHbq2lcExjtAcVrOnJCbMcZXmuj8Z4tg=
-github.com/golang-jwt/jwt/v4 v4.1.0/go.mod h1:/xlHOz8bRuivTWchD4jCa+NbatV+wEUSzwAxVc6locg=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
-github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
-github.com/silas/dag v0.0.0-20210626123444-3804bac2d6d4/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
-go.unistack.org/micro-proto/v3 v3.1.0 h1:q39FwjFiRZn+Ux/tt+d3bJTmDtsQQWa+3SLYVo1vLfA=
-go.unistack.org/micro-proto/v3 v3.1.0/go.mod h1:DpRhYCBXlmSJ/AAXTmntvlh7kQkYU6eFvlmYAx4BQS8=
-go.unistack.org/micro/v3 v3.8.4 h1:Nny6JT7TlDS0e5bPVmbbpKXrisMQ6q9cvao5uyaa3eo=
-go.unistack.org/micro/v3 v3.8.4/go.mod h1:KMMmOmbgo/D52/rCAbqeKbBsgEEbSKM69he54J3ZIuA=
-golang.org/x/net v0.0.0-20210928044308-7d9f5e0b762b/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+go.unistack.org/micro/v4 v4.0.1 h1:xo1IxbVfgh8i0eY0VeYa3cbb13u5n/Mxnp3FOgWD4Jo=
+go.unistack.org/micro/v4 v4.0.1/go.mod h1:p/J5UcSJjfHsWGT31uKoghQ5rUQZzQJBAFy+Z4+ZVMs=

http.go

@@ -1,5 +1,5 @@
 // Package http provides a http client
-package http // import "go.unistack.org/micro-client-http/v3"
+package http // import "go.unistack.org/micro-client-http/v4"
 
 import (
 	"bufio"
@@ -15,12 +15,14 @@ import (
 	"sync"
 	"time"
 
-	"go.unistack.org/micro/v3/broker"
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/codec"
-	"go.unistack.org/micro/v3/errors"
-	"go.unistack.org/micro/v3/metadata"
-	rutil "go.unistack.org/micro/v3/util/reflect"
+	"go.unistack.org/micro/v4/broker"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/codec"
+	"go.unistack.org/micro/v4/errors"
+	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v4/metadata"
+	"go.unistack.org/micro/v4/selector"
+	rutil "go.unistack.org/micro/v4/util/reflect"
 )
 
 var DefaultContentType = "application/json"
@@ -39,7 +41,7 @@ type httpClient struct {
 	init bool
 }
 
-func newRequest(ctx context.Context, addr string, req client.Request, ct string, cf codec.Codec, msg interface{}, opts client.CallOptions) (*http.Request, error) {
+func newRequest(ctx context.Context, log logger.Logger, addr string, req client.Request, ct string, cf codec.Codec, msg interface{}, opts client.CallOptions) (*http.Request, error) {
 	var tags []string
 	var parameters map[string]map[string]string
 	scheme := "http"
@@ -209,6 +211,10 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 		hreq.AddCookie(cookie)
 	}
 
+	if log.V(logger.DebugLevel) {
+		log.Debugf(ctx, "request %s to %s with headers %v body %s", method, u.String(), hreq.Header, b)
+	}
+
 	return hreq, nil
 }
 
@@ -220,9 +226,9 @@ func (h *httpClient) call(ctx context.Context, addr string, req client.Request,
 
 	cf, err := h.newCodec(ct)
 	if err != nil {
-		return errors.InternalServerError("go.micro.client", err.Error())
+		return errors.BadRequest("go.micro.client", err.Error())
 	}
-	hreq, err := newRequest(ctx, addr, req, ct, cf, req.Body(), opts)
+	hreq, err := newRequest(ctx, h.opts.Logger, addr, req, ct, cf, req.Body(), opts)
 	if err != nil {
 		return err
 	}
@@ -257,7 +263,7 @@ func (h *httpClient) stream(ctx context.Context, addr string, req client.Request
 	// get codec
 	cf, err := h.newCodec(ct)
 	if err != nil {
-		return nil, errors.InternalServerError("go.micro.client", err.Error())
+		return nil, errors.BadRequest("go.micro.client", err.Error())
 	}
 
 	cc, err := (h.httpcli.Transport).(*http.Transport).DialContext(ctx, "tcp", addr)
@@ -267,6 +273,7 @@ func (h *httpClient) stream(ctx context.Context, addr string, req client.Request
 
 	return &httpStream{
 		address: addr,
+		logger:  h.opts.Logger,
 		context: ctx,
 		closed:  make(chan bool),
 		opts:    opts,
@@ -386,18 +393,7 @@ func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface
 		callOpts.Address = []string{h.opts.Proxy}
 	}
 
-	// lookup the route to send the reques to
-	// TODO apply any filtering here
-	routes, err := h.opts.Lookup(ctx, req, callOpts)
-	if err != nil {
-		return errors.InternalServerError("go.micro.client", err.Error())
-	}
-
-	// balance the list of nodes
-	next, err := callOpts.Selector.Select(routes)
-	if err != nil {
-		return err
-	}
+	var next selector.Next
 
 	// return errors.New("go.micro.client", "request timeout", 408)
 	call := func(i int) error {
@@ -412,6 +408,22 @@ func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface
 			time.Sleep(t)
 		}
 
+		if next == nil {
+			var routes []string
+			// lookup the route to send the reques to
+			// TODO apply any filtering here
+			routes, err = h.opts.Lookup(ctx, req, callOpts)
+			if err != nil {
+				return errors.InternalServerError("go.micro.client", err.Error())
+			}
+
+			// balance the list of nodes
+			next, err = callOpts.Selector.Select(routes)
+			if err != nil {
+				return err
+			}
+		}
+
 		node := next()
 
 		// make the call
@@ -463,6 +475,8 @@ func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface
 }
 
 func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...client.CallOption) (client.Stream, error) {
+	var err error
+
 	// make a copy of call opts
 	callOpts := h.opts.CallOptions
 	for _, o := range opts {
@@ -514,18 +528,7 @@ func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...cli
 		callOpts.Address = []string{h.opts.Proxy}
 	}
 
-	// lookup the route to send the reques to
-	// TODO apply any filtering here
-	routes, err := h.opts.Lookup(ctx, req, callOpts)
-	if err != nil {
-		return nil, errors.InternalServerError("go.micro.client", err.Error())
-	}
-
-	// balance the list of nodes
-	next, err := callOpts.Selector.Select(routes)
-	if err != nil {
-		return nil, err
-	}
+	var next selector.Next
 
 	call := func(i int) (client.Stream, error) {
 		// call backoff first. Someone may want an initial start delay
@@ -539,6 +542,22 @@ func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...cli
 			time.Sleep(t)
 		}
 
+		if next == nil {
+			var routes []string
+			// lookup the route to send the reques to
+			// TODO apply any filtering here
+			routes, err = h.opts.Lookup(ctx, req, callOpts)
+			if err != nil {
+				return nil, errors.InternalServerError("go.micro.client", err.Error())
+			}
+
+			// balance the list of nodes
+			next, err = callOpts.Selector.Select(routes)
+			if err != nil {
+				return nil, err
+			}
+		}
+
 		node := next()
 
 		stream, cerr := h.stream(ctx, node, req, callOpts)
@@ -604,6 +623,8 @@ func (h *httpClient) Publish(ctx context.Context, p client.Message, opts ...clie
 }
 
 func (h *httpClient) publish(ctx context.Context, ps []client.Message, opts ...client.PublishOption) error {
+	var body []byte
+
 	options := client.NewPublishOptions(opts...)
 
 	// get proxy
@@ -622,24 +643,22 @@ func (h *httpClient) publish(ctx context.Context, ps []client.Message, opts ...c
 	for _, p := range ps {
 		md := metadata.Copy(omd)
 		md[metadata.HeaderContentType] = p.ContentType()
-		md[metadata.HeaderTopic] = p.Topic()
-
-		cf, err := h.newCodec(p.ContentType())
-		if err != nil {
-			return errors.InternalServerError("go.micro.client", err.Error())
-		}
-
-		var body []byte
 
 		// passed in raw data
 		if d, ok := p.Payload().(*codec.Frame); ok {
 			body = d.Data
 		} else {
-			b := bytes.NewBuffer(nil)
-			if err := cf.Write(b, &codec.Message{Type: codec.Event}, p.Payload()); err != nil {
+			// use codec for payload
+			cf, err := h.newCodec(p.ContentType())
+			if err != nil {
 				return errors.InternalServerError("go.micro.client", err.Error())
 			}
-			body = b.Bytes()
+			// set the body
+			b, err := cf.Marshal(p.Payload())
+			if err != nil {
+				return errors.InternalServerError("go.micro.client", err.Error())
+			}
+			body = b
 		}
 
 		topic := p.Topic()
@@ -647,6 +666,9 @@ func (h *httpClient) publish(ctx context.Context, ps []client.Message, opts ...c
 			topic = exchange
 		}
 
+		for k, v := range p.Metadata() {
+			md.Set(k, v)
+		}
 		md.Set(metadata.HeaderTopic, topic)
 		msgs = append(msgs, &broker.Message{Header: md, Body: body})
 	}
@@ -676,11 +698,21 @@ func NewClient(opts ...client.Option) client.Client {
 		opts: options,
 	}
 
-	dialer, ok := options.Context.Value(httpDialerKey{}).(*net.Dialer)
-	if !ok {
-		dialer = &net.Dialer{
+	var dialer func(context.Context, string) (net.Conn, error)
+	if v, ok := options.Context.Value(httpDialerKey{}).(*net.Dialer); ok {
+		dialer = func(ctx context.Context, addr string) (net.Conn, error) {
+			return v.DialContext(ctx, "tcp", addr)
+		}
+	}
+	if options.ContextDialer != nil {
+		dialer = options.ContextDialer
+	}
+	if dialer == nil {
+		dialer = func(ctx context.Context, addr string) (net.Conn, error) {
+			return (&net.Dialer{
 				Timeout:   30 * time.Second,
 				KeepAlive: 30 * time.Second,
+			}).DialContext(ctx, "tcp", addr)
 		}
 	}
 
@@ -690,7 +722,9 @@ func NewClient(opts ...client.Option) client.Client {
 		// TODO customTransport := http.DefaultTransport.(*http.Transport).Clone()
 		tr := &http.Transport{
 			Proxy: http.ProxyFromEnvironment,
-			DialContext:           dialer.DialContext,
+			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+				return dialer(ctx, addr)
+			},
 			ForceAttemptHTTP2:     true,
 			MaxConnsPerHost:       100,
 			MaxIdleConns:          20,

message.go

@@ -1,25 +1,29 @@
 package http
 
 import (
-	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/metadata"
 )
 
 type httpMessage struct {
 	payload     interface{}
 	topic       string
 	contentType string
+	opts        client.MessageOptions
 }
 
 func newHTTPMessage(topic string, payload interface{}, contentType string, opts ...client.MessageOption) client.Message {
 	options := client.NewMessageOptions(opts...)
-	if len(options.ContentType) == 0 {
-		options.ContentType = contentType
+
+	if len(options.ContentType) > 0 {
+		contentType = options.ContentType
 	}
 
 	return &httpMessage{
 		payload:     payload,
 		topic:       topic,
-		contentType: options.ContentType,
+		contentType: contentType,
+		opts:        options,
 	}
 }
 
@@ -34,3 +38,7 @@ func (h *httpMessage) Topic() string {
 func (h *httpMessage) Payload() interface{} {
 	return h.payload
 }
+
+func (h *httpMessage) Metadata() metadata.Metadata {
+	return h.opts.Metadata
+}

options.go

@@ -4,8 +4,8 @@ import (
 	"net"
 	"net/http"
 
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/metadata"
 )
 
 var (

request.go

@@ -1,8 +1,8 @@
 package http
 
 import (
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/codec"
 )
 
 type httpRequest struct {

stream.go

@@ -9,9 +9,10 @@ import (
 	"net/http"
 	"sync"
 
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/codec"
-	"go.unistack.org/micro/v3/errors"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/codec"
+	"go.unistack.org/micro/v4/errors"
+	"go.unistack.org/micro/v4/logger"
 )
 
 // Implements the streamer interface
@@ -20,6 +21,7 @@ type httpStream struct {
 	conn    net.Conn
 	cf      codec.Codec
 	context context.Context
+	logger  logger.Logger
 	request client.Request
 	closed  chan bool
 	reader  *bufio.Reader
@@ -52,6 +54,10 @@ func (h *httpStream) Response() client.Response {
 	return nil
 }
 
+func (h *httpStream) SendMsg(msg interface{}) error {
+	return h.Send(msg)
+}
+
 func (h *httpStream) Send(msg interface{}) error {
 	h.Lock()
 	defer h.Unlock()
@@ -61,7 +67,7 @@ func (h *httpStream) Send(msg interface{}) error {
 		return errShutdown
 	}
 
-	hreq, err := newRequest(h.context, h.address, h.request, h.ct, h.cf, msg, h.opts)
+	hreq, err := newRequest(h.context, h.logger, h.address, h.request, h.ct, h.cf, msg, h.opts)
 	if err != nil {
 		return err
 	}
@@ -69,6 +75,10 @@ func (h *httpStream) Send(msg interface{}) error {
 	return hreq.Write(h.conn)
 }
 
+func (h *httpStream) RecvMsg(msg interface{}) error {
+	return h.Recv(msg)
+}
+
 func (h *httpStream) Recv(msg interface{}) error {
 	h.Lock()
 	defer h.Unlock()
@@ -84,7 +94,7 @@ func (h *httpStream) Recv(msg interface{}) error {
 	}
 	defer hrsp.Body.Close()
 
-	return h.parseRsp(h.context, hrsp, h.cf, msg, h.opts)
+	return h.parseRsp(h.context, h.logger, hrsp, h.cf, msg, h.opts)
 }
 
 func (h *httpStream) Error() error {
@@ -93,6 +103,10 @@ func (h *httpStream) Error() error {
 	return h.err
 }
 
+func (h *httpStream) CloseSend() error {
+	return h.Close()
+}
+
 func (h *httpStream) Close() error {
 	select {
 	case <-h.closed:
@@ -103,41 +117,57 @@ func (h *httpStream) Close() error {
 	}
 }
 
-func (h *httpStream) parseRsp(ctx context.Context, hrsp *http.Response, cf codec.Codec, rsp interface{}, opts client.CallOptions) error {
+func (h *httpStream) parseRsp(ctx context.Context, log logger.Logger, hrsp *http.Response, cf codec.Codec, rsp interface{}, opts client.CallOptions) error {
 	var err error
+	var buf []byte
 
-	select {
-	case <-ctx.Done():
-		err = ctx.Err()
-	default:
 	// fast path return
 	if hrsp.StatusCode == http.StatusNoContent {
 		return nil
 	}
 
+	select {
+	case <-ctx.Done():
+		err = ctx.Err()
+	default:
+		if hrsp.Body != nil {
+			buf, err = io.ReadAll(hrsp.Body)
+			if err != nil {
+				if log.V(logger.ErrorLevel) {
+					log.Errorf(ctx, "failed to read body: %v", err)
+				}
+				return errors.InternalServerError("go.micro.client", string(buf))
+			}
+		}
+
+		if log.V(logger.DebugLevel) {
+			log.Debugf(ctx, "response %s with %v", buf, hrsp.Header)
+		}
+
 		if hrsp.StatusCode < 400 {
-			if err = cf.ReadBody(hrsp.Body, rsp); err != nil {
+			if err = cf.Unmarshal(buf, rsp); err != nil {
 				return errors.InternalServerError("go.micro.client", err.Error())
 			}
 			return nil
 		}
 
+		var rerr interface{}
 		errmap, ok := opts.Context.Value(errorMapKey{}).(map[string]interface{})
 		if ok && errmap != nil {
-			if err, ok = errmap[fmt.Sprintf("%d", hrsp.StatusCode)].(error); !ok {
-				err, ok = errmap["default"].(error)
+			if rerr, ok = errmap[fmt.Sprintf("%d", hrsp.StatusCode)].(error); !ok {
+				rerr, ok = errmap["default"].(error)
 			}
 		}
-		if !ok || err == nil {
-			buf, cerr := io.ReadAll(hrsp.Body)
-			if cerr != nil {
-				return errors.InternalServerError("go.micro.client", cerr.Error())
-			}
+		if !ok || rerr == nil {
 			return errors.New("go.micro.client", string(buf), int32(hrsp.StatusCode))
 		}
 
-		if cerr := cf.ReadBody(hrsp.Body, err); cerr != nil {
-			err = errors.InternalServerError("go.micro.client", cerr.Error())
+		if cerr := cf.Unmarshal(buf, rerr); cerr != nil {
+			return errors.InternalServerError("go.micro.client", cerr.Error())
+		}
+
+		if err, ok = rerr.(error); !ok {
+			err = &Error{rerr}
 		}
 	}
 

util.go

@@ -10,10 +10,10 @@ import (
 	"strings"
 	"sync"
 
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/errors"
-	"go.unistack.org/micro/v3/logger"
-	rutil "go.unistack.org/micro/v3/util/reflect"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/errors"
+	"go.unistack.org/micro/v4/logger"
+	rutil "go.unistack.org/micro/v4/util/reflect"
 )
 
 var (
@@ -92,7 +92,15 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 			continue
 		}
 		fld := tmsg.Type().Field(i)
-
+		// Skip unexported fields.
+		if fld.PkgPath != "" {
+			continue
+		}
+		/* check for empty PkgPath can be replaced with new method IsExported
+		if !fld.IsExported() {
+			continue
+		}
+		*/
 		t := &tag{}
 		for _, tn := range tags {
 			ts, ok := fld.Tag.Lookup(tn)
@@ -139,11 +147,11 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 			switch val.Type().Kind() {
 			case reflect.Slice:
 				for idx := 0; idx < val.Len(); idx++ {
-					values.Add(t.name, fmt.Sprintf("%v", val.Index(idx).Interface()))
+					values.Add(t.name, getParam(val.Index(idx)))
 				}
 				fieldsmapskip[t.name] = struct{}{}
 			default:
-				fieldsmap[t.name] = fmt.Sprintf("%v", val.Interface())
+				fieldsmap[t.name] = getParam(val)
 			}
 		} else if (body == "*" || body == t.name) && method != http.MethodGet {
 			if tnmsg.Field(i).CanSet() {
@@ -152,10 +160,10 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 		} else {
 			if val.Type().Kind() == reflect.Slice {
 				for idx := 0; idx < val.Len(); idx++ {
-					values.Add(t.name, fmt.Sprintf("%v", val.Index(idx).Interface()))
+					values.Add(t.name, getParam(val.Index(idx)))
 				}
 			} else {
-				values.Add(t.name, fmt.Sprintf("%v", val.Interface()))
+				values.Add(t.name, getParam(val))
 			}
 		}
 	}
@@ -208,12 +216,6 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 		_, _ = b.WriteString(values.Encode())
 	}
 
-	/*
-		if err = rutil.ZeroFieldByPath(nmsg, k); err != nil {
-			return nil, errors.BadRequest("go.micro.client", err.Error())
-		}
-	*/
-
 	if rutil.IsZero(nmsg) {
 		return b.String(), nil, nil
 	}
@@ -243,39 +245,48 @@ func newTemplate(path string) ([]string, error) {
 
 func (h *httpClient) parseRsp(ctx context.Context, hrsp *http.Response, rsp interface{}, opts client.CallOptions) error {
 	var err error
+	var buf []byte
+
+	// fast path return
+	if hrsp.StatusCode == http.StatusNoContent {
+		return nil
+	}
 
 	select {
 	case <-ctx.Done():
 		err = ctx.Err()
 	default:
-		// fast path return
-		if hrsp.StatusCode == http.StatusNoContent {
-			return nil
-		}
 		ct := DefaultContentType
 
 		if htype := hrsp.Header.Get("Content-Type"); htype != "" {
 			ct = htype
 		}
 
-		cf, cerr := h.newCodec(ct)
-		if hrsp.StatusCode >= 400 && cerr != nil {
-			var buf []byte
 		if hrsp.Body != nil {
 			buf, err = io.ReadAll(hrsp.Body)
-				if err != nil && h.opts.Logger.V(logger.ErrorLevel) {
+			if err != nil {
+				if h.opts.Logger.V(logger.ErrorLevel) {
 					h.opts.Logger.Errorf(ctx, "failed to read body: %v", err)
 				}
+				return errors.InternalServerError("go.micro.client", string(buf))
+			}
+		}
+
+		cf, cerr := h.newCodec(ct)
+		if cerr != nil {
+			if h.opts.Logger.V(logger.DebugLevel) {
+				h.opts.Logger.Debugf(ctx, "response with %v unknown content-type %s", hrsp.Header, ct, buf)
 			}
-			// response like text/plain or something else, return original error
-			return errors.New("go.micro.client", string(buf), int32(hrsp.StatusCode))
-		} else if cerr != nil {
 			return errors.InternalServerError("go.micro.client", cerr.Error())
 		}
 
+		if h.opts.Logger.V(logger.DebugLevel) {
+			h.opts.Logger.Debugf(ctx, "response %s with %v", buf, hrsp.Header)
+		}
+
 		// succeseful response
 		if hrsp.StatusCode < 400 {
-			if err = cf.ReadBody(hrsp.Body, rsp); err != nil {
+			if err = cf.Unmarshal(buf, rsp); err != nil {
 				return errors.InternalServerError("go.micro.client", err.Error())
 			}
 			return nil
@@ -292,14 +303,10 @@ func (h *httpClient) parseRsp(ctx context.Context, hrsp *http.Response, rsp inte
 		}
 
 		if !ok || rerr == nil {
-			buf, rerr := io.ReadAll(hrsp.Body)
-			if rerr != nil {
-				return errors.InternalServerError("go.micro.client", rerr.Error())
-			}
 			return errors.New("go.micro.client", string(buf), int32(hrsp.StatusCode))
 		}
 
-		if cerr := cf.ReadBody(hrsp.Body, rerr); cerr != nil {
+		if cerr := cf.Unmarshal(buf, rerr); cerr != nil {
 			return errors.InternalServerError("go.micro.client", cerr.Error())
 		}
 
@@ -316,3 +323,26 @@ type tag struct {
 	key  string
 	name string
 }
+
+func getParam(val reflect.Value) string {
+	var v string
+	switch val.Kind() {
+	case reflect.Ptr:
+		switch reflect.Indirect(val).Type().String() {
+		case
+			"wrapperspb.BoolValue",
+			"wrapperspb.BytesValue",
+			"wrapperspb.DoubleValue",
+			"wrapperspb.FloatValue",
+			"wrapperspb.Int32Value", "wrapperspb.Int64Value",
+			"wrapperspb.StringValue",
+			"wrapperspb.UInt32Value", "wrapperspb.UInt64Value":
+			if eva := reflect.Indirect(val).FieldByName("Value"); eva.IsValid() {
+				v = getParam(eva)
+			}
+		}
+	default:
+		v = fmt.Sprintf("%v", val.Interface())
+	}
+	return v
+}