Merge pull request 'move set content-type in client publish' (#123) from devstigneev/micro-client-http:v3 into v3

Reviewed-on: #123

.gitea/workflows/job_lint.yml

@@ -0,0 +1,29 @@
+name: lint
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+    branches:
+    - master
+    - v3
+    - v4
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v4
+      with:
+        filter: 'blob:none'
+    - name: setup go
+      uses: actions/setup-go@v5
+      with:
+        cache-dependency-path: "**/*.sum"
+        go-version: 'stable' 
+    - name: setup deps
+      run: go get -v ./...
+    - name: run lint
+      uses: https://github.com/golangci/golangci-lint-action@v6
+      with:
+        version: 'latest'

.gitea/workflows/job_test.yml

@@ -0,0 +1,34 @@
+name: test
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+    branches:
+    - master
+    - v3
+    - v4
+  push:
+    branches:
+    - master
+    - v3
+    - v4
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v4
+      with:
+        filter: 'blob:none'
+    - name: setup go
+      uses: actions/setup-go@v5
+      with:
+        cache-dependency-path: "**/*.sum"
+        go-version: 'stable'
+    - name: setup deps
+      run: go get -v ./...
+    - name: run test
+      env:
+        INTEGRATION_TESTS: yes
+      run: go test -mod readonly -v ./...

.gitea/workflows/job_tests.yml

@@ -0,0 +1,53 @@
+name: test
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+    branches:
+    - master
+    - v3
+    - v4
+  push:
+    branches:
+    - master
+    - v3
+    - v4
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v4
+      with:
+        filter: 'blob:none'
+    - name: checkout tests
+      uses: actions/checkout@v4
+      with:
+        ref: master
+        filter: 'blob:none'
+        repository: unistack-org/micro-tests
+        path: micro-tests
+    - name: setup go
+      uses: actions/setup-go@v5
+      with:
+        cache-dependency-path: "**/*.sum"
+        go-version: 'stable'
+    - name: setup go work
+      env:
+        GOWORK: /workspace/${{ github.repository_owner }}/go.work
+      run: |
+        go work init
+        go work use .
+        go work use micro-tests        
+    - name: setup deps
+      env:
+        GOWORK: /workspace/${{ github.repository_owner }}/go.work
+      run: go get -v ./...
+    - name: run tests
+      env:
+        INTEGRATION_TESTS: yes
+        GOWORK: /workspace/${{ github.repository_owner }}/go.work
+      run: |
+        cd micro-tests
+        go test -mod readonly -v ./... || true        

.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"

.github/workflows/build.yml

@@ -1,47 +0,0 @@
-name: build
-on:
- push:
-    branches:
-    - master
-    - v3
-jobs:
-  test:
-    name: test
-    runs-on: ubuntu-latest
-    steps:
-    - name: setup
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.16
-    - name: checkout
-      uses: actions/checkout@v3
-    - name: cache
-      uses: actions/cache@v2
-      with:
-        path: ~/go/pkg/mod
-        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-        restore-keys: ${{ runner.os }}-go-
-    - name: deps
-      run: go get -v -t -d ./...
-    - name: test
-      env:
-        INTEGRATION_TESTS: yes
-      run: go test -mod readonly -v ./...
-  lint:
-    name: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: checkout
-        uses: actions/checkout@v3
-      - name: lint
-        uses: golangci/golangci-lint-action@v3.1.0
-        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.
-          version: v1.30
-          # Optional: working directory, useful for monorepos
-          # working-directory: somedir
-          # Optional: golangci-lint command line arguments.
-          # args: --issues-exit-code=0
-          # Optional: show only new issues if it's a pull request. The default value is `false`.
-          # only-new-issues: true

.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@v2
-      with:
-        go-version: 1.16
-    # Initializes the CodeQL tools for scanning.
-    - name: init
-      uses: github/codeql-action/init@v1
-      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@v1
-
-    # 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@v1

.github/workflows/dependabot-automerge.yml

@@ -1,31 +0,0 @@
-name: "prautomerge"
-
-on:
-  pull_request_target:
-    types: [assigned, opened, synchronize, reopened]
-
-permissions:
-  pull-requests: write
-  contents: write
-
-jobs:
-  dependabot:
-    runs-on: ubuntu-latest
-    if: ${{ github.actor == 'dependabot[bot]' }}
-    steps:
-      - name: metadata
-        id: metadata
-        uses: dependabot/fetch-metadata@v1.3.0
-        with:
-          github-token: "${{ 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
-        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

@@ -1,47 +0,0 @@
-name: prbuild
-on:
-  pull_request:
-    branches:
-    - master
-    - v3
-jobs:
-  test:
-    name: test
-    runs-on: ubuntu-latest
-    steps:
-    - name: setup
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.16
-    - name: checkout
-      uses: actions/checkout@v3
-    - name: cache
-      uses: actions/cache@v2
-      with:
-        path: ~/go/pkg/mod
-        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-        restore-keys: ${{ runner.os }}-go-
-    - name: deps
-      run: go get -v -t -d ./...
-    - name: test
-      env:
-        INTEGRATION_TESTS: yes
-      run: go test -mod readonly -v ./...
-  lint:
-    name: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: checkout
-        uses: actions/checkout@v3
-      - name: lint
-        uses: golangci/golangci-lint-action@v3.1.0
-        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.
-          version: v1.30
-          # Optional: working directory, useful for monorepos
-          # working-directory: somedir
-          # Optional: golangci-lint command line arguments.
-          # args: --issues-exit-code=0
-          # Optional: show only new issues if it's a pull request. The default value is `false`.
-          # only-new-issues: true

.gitignore

@@ -0,0 +1,39 @@
+# Develop tools
+/.vscode/
+/.idea/
+.idea
+.vscode
+
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Folders
+_obj
+_test
+_build
+.DS_Store
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# vim temp files
+*~
+*.swp
+*.swo

.golangci.yml

@@ -1,44 +1,5 @@
 run:
-  concurrency: 4
+  concurrency: 8
   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

go.mod

@@ -1,5 +1,15 @@
 module go.unistack.org/micro-client-http/v3
 
-go 1.16
+go 1.22
 
-require go.unistack.org/micro/v3 v3.8.21
+toolchain go1.23.1
+
+require go.unistack.org/micro/v3 v3.10.97
+
+require (
+	go.unistack.org/micro-proto/v3 v3.4.1 // indirect
+	golang.org/x/sys v0.26.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9 // indirect
+	google.golang.org/grpc v1.67.1 // indirect
+	google.golang.org/protobuf v1.35.1 // indirect
+)

go.sum

@@ -1,151 +1,39 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
-github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+go.unistack.org/micro/v3 v3.10.69 h1:V4g9LqUhzGab73U2aevnjtffCdJqGTuMfWY7fy4qGwI=
-github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+go.unistack.org/micro/v3 v3.10.69/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
-github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=
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-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

http.go

@@ -6,11 +6,12 @@ import (
 	"bytes"
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net"
 	"net/http"
 	"net/url"
 	"os"
+	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -19,7 +20,12 @@ import (
 	"go.unistack.org/micro/v3/client"
 	"go.unistack.org/micro/v3/codec"
 	"go.unistack.org/micro/v3/errors"
+	"go.unistack.org/micro/v3/logger"
 	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/options"
+	"go.unistack.org/micro/v3/selector"
+	"go.unistack.org/micro/v3/semconv"
+	"go.unistack.org/micro/v3/tracer"
 	rutil "go.unistack.org/micro/v3/util/reflect"
 )
 
@@ -33,13 +39,16 @@ func filterLabel(r []router.Route) []router.Route {
 */
 
 type httpClient struct {
-	httpcli *http.Client
+	funcPublish      client.FuncPublish
-	opts    client.Options
+	funcBatchPublish client.FuncBatchPublish
+	funcCall         client.FuncCall
+	funcStream       client.FuncStream
+	httpcli          *http.Client
+	opts             client.Options
 	sync.RWMutex
-	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"
@@ -114,7 +123,7 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 
 	u, err = u.Parse(path)
 	if err != nil {
-		return nil, errors.BadRequest("go.micro.client", err.Error())
+		return nil, errors.BadRequest("go.micro.client", "%+v", err)
 	}
 
 	var nmsg interface{}
@@ -125,12 +134,12 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 	}
 
 	if err != nil {
-		return nil, errors.BadRequest("go.micro.client", err.Error())
+		return nil, errors.BadRequest("go.micro.client", "%+v", err)
 	}
 
 	u, err = url.Parse(fmt.Sprintf("%s://%s%s", scheme, host, path))
 	if err != nil {
-		return nil, errors.BadRequest("go.micro.client", err.Error())
+		return nil, errors.BadRequest("go.micro.client", "%+v", err)
 	}
 
 	var cookies []*http.Cookie
@@ -145,6 +154,11 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 	if opts.AuthToken != "" {
 		header.Set(metadata.HeaderAuthorization, opts.AuthToken)
 	}
+	if opts.RequestMetadata != nil {
+		for k, v := range opts.RequestMetadata {
+			header.Set(k, v)
+		}
+	}
 
 	if md, ok := metadata.FromOutgoingContext(ctx); ok {
 		for k, v := range md {
@@ -168,11 +182,11 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 		for k, required := range vm {
 			v, err = rutil.StructFieldByPath(msg, k)
 			if err != nil {
-				return nil, errors.BadRequest("go.micro.client", err.Error())
+				return nil, errors.BadRequest("go.micro.client", "%+v", err)
 			}
 			if rutil.IsZero(v) {
 				if required == "true" {
-					return nil, errors.BadRequest("go.micro.client", fmt.Sprintf("required field %s not set", k))
+					return nil, errors.BadRequest("go.micro.client", "required field %s not set", k)
 				}
 				continue
 			}
@@ -188,12 +202,12 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 
 	b, err := cf.Marshal(nmsg)
 	if err != nil {
-		return nil, errors.BadRequest("go.micro.client", err.Error())
+		return nil, errors.BadRequest("go.micro.client", "%+v", err)
 	}
 
 	var hreq *http.Request
 	if len(b) > 0 {
-		hreq, err = http.NewRequestWithContext(ctx, method, u.String(), ioutil.NopCloser(bytes.NewBuffer(b)))
+		hreq, err = http.NewRequestWithContext(ctx, method, u.String(), io.NopCloser(bytes.NewBuffer(b)))
 		hreq.ContentLength = int64(len(b))
 		header.Set("Content-Length", fmt.Sprintf("%d", hreq.ContentLength))
 	} else {
@@ -201,7 +215,7 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 	}
 
 	if err != nil {
-		return nil, errors.BadRequest("go.micro.client", err.Error())
+		return nil, errors.BadRequest("go.micro.client", "%+v", err)
 	}
 
 	hreq.Header = header
@@ -209,64 +223,69 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 		hreq.AddCookie(cookie)
 	}
 
+	if log.V(logger.DebugLevel) {
+		log.Debug(ctx, fmt.Sprintf("request %s to %s with headers %v body %s", method, u.String(), hreq.Header, b))
+	}
+
 	return hreq, nil
 }
 
-func (h *httpClient) call(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions) error {
+func (c *httpClient) call(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions) error {
 	ct := req.ContentType()
 	if len(opts.ContentType) > 0 {
 		ct = opts.ContentType
 	}
 
-	cf, err := h.newCodec(ct)
+	cf, err := c.newCodec(ct)
 	if err != nil {
-		return errors.InternalServerError("go.micro.client", err.Error())
+		return errors.BadRequest("go.micro.client", "%+v", err)
 	}
-	hreq, err := newRequest(ctx, addr, req, ct, cf, req.Body(), opts)
+	hreq, err := newRequest(ctx, c.opts.Logger, addr, req, ct, cf, req.Body(), opts)
 	if err != nil {
 		return err
 	}
 
 	// make the request
-	hrsp, err := h.httpcli.Do(hreq)
+	hrsp, err := c.httpcli.Do(hreq)
 	if err != nil {
 		switch err := err.(type) {
 		case *url.Error:
 			if err, ok := err.Err.(net.Error); ok && err.Timeout() {
-				return errors.Timeout("go.micro.client", err.Error())
+				return errors.Timeout("go.micro.client", "%+v", err)
 			}
 		case net.Error:
 			if err.Timeout() {
-				return errors.Timeout("go.micro.client", err.Error())
+				return errors.Timeout("go.micro.client", "%+v", err)
 			}
 		}
-		return errors.InternalServerError("go.micro.client", err.Error())
+		return errors.InternalServerError("go.micro.client", "%+v", err)
 	}
 
 	defer hrsp.Body.Close()
 
-	return h.parseRsp(ctx, hrsp, rsp, opts)
+	return c.parseRsp(ctx, hrsp, rsp, opts)
 }
 
-func (h *httpClient) stream(ctx context.Context, addr string, req client.Request, opts client.CallOptions) (client.Stream, error) {
+func (c *httpClient) stream(ctx context.Context, addr string, req client.Request, opts client.CallOptions) (client.Stream, error) {
 	ct := req.ContentType()
 	if len(opts.ContentType) > 0 {
 		ct = opts.ContentType
 	}
 
 	// get codec
-	cf, err := h.newCodec(ct)
+	cf, err := c.newCodec(ct)
 	if err != nil {
-		return nil, errors.InternalServerError("go.micro.client", err.Error())
+		return nil, errors.BadRequest("go.micro.client", "%+v", err)
 	}
 
-	cc, err := (h.httpcli.Transport).(*http.Transport).DialContext(ctx, "tcp", addr)
+	cc, err := (c.httpcli.Transport).(*http.Transport).DialContext(ctx, "tcp", addr)
 	if err != nil {
-		return nil, errors.InternalServerError("go.micro.client", fmt.Sprintf("Error dialing: %v", err))
+		return nil, errors.InternalServerError("go.micro.client", "Error dialing: %v", err)
 	}
 
 	return &httpStream{
 		address: addr,
+		logger:  c.opts.Logger,
 		context: ctx,
 		closed:  make(chan bool),
 		opts:    opts,
@@ -278,66 +297,88 @@ func (h *httpClient) stream(ctx context.Context, addr string, req client.Request
 	}, nil
 }
 
-func (h *httpClient) newCodec(ct string) (codec.Codec, error) {
+func (c *httpClient) newCodec(ct string) (codec.Codec, error) {
-	h.RLock()
+	c.RLock()
-	defer h.RUnlock()
 
 	if idx := strings.IndexRune(ct, ';'); idx >= 0 {
 		ct = ct[:idx]
 	}
 
-	if c, ok := h.opts.Codecs[ct]; ok {
+	if cf, ok := c.opts.Codecs[ct]; ok {
-		return c, nil
+		c.RUnlock()
+		return cf, nil
 	}
 
+	c.RUnlock()
 	return nil, codec.ErrUnknownContentType
 }
 
-func (h *httpClient) Init(opts ...client.Option) error {
+func (c *httpClient) Init(opts ...client.Option) error {
-	if len(opts) == 0 && h.init {
-		return nil
-	}
 	for _, o := range opts {
-		o(&h.opts)
+		o(&c.opts)
 	}
 
-	if err := h.opts.Broker.Init(); err != nil {
+	c.funcCall = c.fnCall
-		return err
+	c.funcStream = c.fnStream
-	}
+	c.funcPublish = c.fnPublish
-	if err := h.opts.Tracer.Init(); err != nil {
+	c.funcBatchPublish = c.fnBatchPublish
-		return err
+
-	}
+	c.opts.Hooks.EachPrev(func(hook options.Hook) {
-	if err := h.opts.Router.Init(); err != nil {
+		switch h := hook.(type) {
-		return err
+		case client.HookCall:
-	}
+			c.funcCall = h(c.funcCall)
-	if err := h.opts.Logger.Init(); err != nil {
+		case client.HookStream:
-		return err
+			c.funcStream = h(c.funcStream)
-	}
+		case client.HookPublish:
-	if err := h.opts.Meter.Init(); err != nil {
+			c.funcPublish = h(c.funcPublish)
-		return err
+		case client.HookBatchPublish:
-	}
+			c.funcBatchPublish = h(c.funcBatchPublish)
-	if err := h.opts.Transport.Init(); err != nil {
+		}
-		return err
+	})
-	}
 
 	return nil
 }
 
-func (h *httpClient) Options() client.Options {
+func (c *httpClient) Options() client.Options {
-	return h.opts
+	return c.opts
 }
 
-func (h *httpClient) NewMessage(topic string, msg interface{}, opts ...client.MessageOption) client.Message {
+func (c *httpClient) NewMessage(topic string, msg interface{}, opts ...client.MessageOption) client.Message {
-	return newHTTPMessage(topic, msg, h.opts.ContentType, opts...)
+	return newHTTPMessage(topic, msg, c.opts.ContentType, opts...)
 }
 
-func (h *httpClient) NewRequest(service, method string, req interface{}, opts ...client.RequestOption) client.Request {
+func (c *httpClient) NewRequest(service, method string, req interface{}, opts ...client.RequestOption) client.Request {
-	return newHTTPRequest(service, method, req, h.opts.ContentType, opts...)
+	return newHTTPRequest(service, method, req, c.opts.ContentType, opts...)
 }
 
-func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
+func (c *httpClient) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
+	ts := time.Now()
+	c.opts.Meter.Counter(semconv.ClientRequestInflight, "endpoint", req.Endpoint()).Inc()
+	var sp tracer.Span
+	ctx, sp = c.opts.Tracer.Start(ctx, req.Endpoint()+" rpc-client",
+		tracer.WithSpanKind(tracer.SpanKindClient),
+		tracer.WithSpanLabels("endpoint", req.Endpoint()),
+	)
+	err := c.funcCall(ctx, req, rsp, opts...)
+	c.opts.Meter.Counter(semconv.ClientRequestInflight, "endpoint", req.Endpoint()).Dec()
+	te := time.Since(ts)
+	c.opts.Meter.Summary(semconv.ClientRequestLatencyMicroseconds, "endpoint", req.Endpoint()).Update(te.Seconds())
+	c.opts.Meter.Histogram(semconv.ClientRequestDurationSeconds, "endpoint", req.Endpoint()).Update(te.Seconds())
+
+	if me := errors.FromError(err); me == nil {
+		sp.Finish()
+		c.opts.Meter.Counter(semconv.ClientRequestTotal, "endpoint", req.Endpoint(), "status", "success", "code", strconv.Itoa(int(200))).Inc()
+	} else {
+		sp.SetStatus(tracer.SpanStatusError, err.Error())
+		c.opts.Meter.Counter(semconv.ClientRequestTotal, "endpoint", req.Endpoint(), "status", "failure", "code", strconv.Itoa(int(me.Code))).Inc()
+	}
+
+	return err
+}
+
+func (c *httpClient) fnCall(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
 	// make a copy of call opts
-	callOpts := h.opts.CallOptions
+	callOpts := c.opts.CallOptions
 	for _, opt := range opts {
 		opt(&callOpts)
 	}
@@ -364,47 +405,31 @@ func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface
 	}
 
 	// make copy of call method
-	hcall := h.call
+	hcall := c.call
-
-	// wrap the call in reverse
-	for i := len(callOpts.CallWrappers); i > 0; i-- {
-		hcall = callOpts.CallWrappers[i-1](hcall)
-	}
 
 	// use the router passed as a call option, or fallback to the rpc clients router
 	if callOpts.Router == nil {
-		callOpts.Router = h.opts.Router
+		callOpts.Router = c.opts.Router
 	}
 
 	if callOpts.Selector == nil {
-		callOpts.Selector = h.opts.Selector
+		callOpts.Selector = c.opts.Selector
 	}
 
 	// inject proxy address
 	// TODO: don't even bother using Lookup/Select in this case
-	if len(h.opts.Proxy) > 0 {
+	if len(c.opts.Proxy) > 0 {
-		callOpts.Address = []string{h.opts.Proxy}
+		callOpts.Address = []string{c.opts.Proxy}
 	}
 
-	// lookup the route to send the reques to
+	var next selector.Next
-	// 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
-	}
 
 	// return errors.New("go.micro.client", "request timeout", 408)
 	call := func(i int) error {
 		// call backoff first. Someone may want an initial start delay
 		t, err := callOpts.Backoff(ctx, req, i)
 		if err != nil {
-			return errors.InternalServerError("go.micro.client", err.Error())
+			return errors.InternalServerError("go.micro.client", "%+v", err)
 		}
 
 		// only sleep if greater than 0
@@ -412,12 +437,28 @@ 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 = c.opts.Lookup(ctx, req, callOpts)
+			if err != nil {
+				return errors.InternalServerError("go.micro.client", "%+v", err)
+			}
+
+			// balance the list of nodes
+			next, err = callOpts.Selector.Select(routes)
+			if err != nil {
+				return err
+			}
+		}
+
 		node := next()
 
 		// make the call
 		err = hcall(ctx, node, req, rsp, callOpts)
 		// record the result of the call to inform future routing decisions
-		if verr := h.opts.Selector.Record(node, err); verr != nil {
+		if verr := c.opts.Selector.Record(node, err); verr != nil {
 			return verr
 		}
 
@@ -462,9 +503,36 @@ func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface
 	return gerr
 }
 
-func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...client.CallOption) (client.Stream, error) {
+func (c *httpClient) Stream(ctx context.Context, req client.Request, opts ...client.CallOption) (client.Stream, error) {
+	ts := time.Now()
+	c.opts.Meter.Counter(semconv.ClientRequestInflight, "endpoint", req.Endpoint()).Inc()
+	var sp tracer.Span
+	ctx, sp = c.opts.Tracer.Start(ctx, req.Endpoint()+" rpc-client",
+		tracer.WithSpanKind(tracer.SpanKindClient),
+		tracer.WithSpanLabels("endpoint", req.Endpoint()),
+	)
+	stream, err := c.funcStream(ctx, req, opts...)
+	c.opts.Meter.Counter(semconv.ClientRequestInflight, "endpoint", req.Endpoint()).Dec()
+	te := time.Since(ts)
+	c.opts.Meter.Summary(semconv.ClientRequestLatencyMicroseconds, "endpoint", req.Endpoint()).Update(te.Seconds())
+	c.opts.Meter.Histogram(semconv.ClientRequestDurationSeconds, "endpoint", req.Endpoint()).Update(te.Seconds())
+
+	if me := errors.FromError(err); me == nil {
+		sp.Finish()
+		c.opts.Meter.Counter(semconv.ClientRequestTotal, "endpoint", req.Endpoint(), "status", "success", "code", strconv.Itoa(int(200))).Inc()
+	} else {
+		sp.SetStatus(tracer.SpanStatusError, err.Error())
+		c.opts.Meter.Counter(semconv.ClientRequestTotal, "endpoint", req.Endpoint(), "status", "failure", "code", strconv.Itoa(int(me.Code))).Inc()
+	}
+
+	return stream, err
+}
+
+func (c *httpClient) fnStream(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
+	callOpts := c.opts.CallOptions
 	for _, o := range opts {
 		o(&callOpts)
 	}
@@ -501,37 +569,26 @@ func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...cli
 
 	// use the router passed as a call option, or fallback to the rpc clients router
 	if callOpts.Router == nil {
-		callOpts.Router = h.opts.Router
+		callOpts.Router = c.opts.Router
 	}
 
 	if callOpts.Selector == nil {
-		callOpts.Selector = h.opts.Selector
+		callOpts.Selector = c.opts.Selector
 	}
 
 	// inject proxy address
 	// TODO: don't even bother using Lookup/Select in this case
-	if len(h.opts.Proxy) > 0 {
+	if len(c.opts.Proxy) > 0 {
-		callOpts.Address = []string{h.opts.Proxy}
+		callOpts.Address = []string{c.opts.Proxy}
 	}
 
-	// lookup the route to send the reques to
+	var next selector.Next
-	// 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
-	}
 
 	call := func(i int) (client.Stream, error) {
 		// call backoff first. Someone may want an initial start delay
 		t, cerr := callOpts.Backoff(ctx, req, i)
 		if cerr != nil {
-			return nil, errors.InternalServerError("go.micro.client", cerr.Error())
+			return nil, errors.InternalServerError("go.micro.client", "%+v", cerr)
 		}
 
 		// only sleep if greater than 0
@@ -539,12 +596,28 @@ 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 = c.opts.Lookup(ctx, req, callOpts)
+			if err != nil {
+				return nil, errors.InternalServerError("go.micro.client", "%+v", err)
+			}
+
+			// 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)
+		stream, cerr := c.stream(ctx, node, req, callOpts)
 
 		// record the result of the call to inform future routing decisions
-		if verr := h.opts.Selector.Record(node, cerr); verr != nil {
+		if verr := c.opts.Selector.Record(node, cerr); verr != nil {
 			return nil, verr
 		}
 
@@ -595,15 +668,25 @@ func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...cli
 	return nil, grr
 }
 
-func (h *httpClient) BatchPublish(ctx context.Context, p []client.Message, opts ...client.PublishOption) error {
+func (c *httpClient) BatchPublish(ctx context.Context, p []client.Message, opts ...client.PublishOption) error {
-	return h.publish(ctx, p, opts...)
+	return c.funcBatchPublish(ctx, p, opts...)
 }
 
-func (h *httpClient) Publish(ctx context.Context, p client.Message, opts ...client.PublishOption) error {
+func (c *httpClient) fnBatchPublish(ctx context.Context, p []client.Message, opts ...client.PublishOption) error {
-	return h.publish(ctx, []client.Message{p}, opts...)
+	return c.publish(ctx, p, opts...)
 }
 
-func (h *httpClient) publish(ctx context.Context, ps []client.Message, opts ...client.PublishOption) error {
+func (c *httpClient) Publish(ctx context.Context, p client.Message, opts ...client.PublishOption) error {
+	return c.funcPublish(ctx, p, opts...)
+}
+
+func (c *httpClient) fnPublish(ctx context.Context, p client.Message, opts ...client.PublishOption) error {
+	return c.publish(ctx, []client.Message{p}, opts...)
+}
+
+func (c *httpClient) publish(ctx context.Context, ps []client.Message, opts ...client.PublishOption) error {
+	var body []byte
+
 	options := client.NewPublishOptions(opts...)
 
 	// get proxy
@@ -611,6 +694,10 @@ func (h *httpClient) publish(ctx context.Context, ps []client.Message, opts ...c
 	if v, ok := os.LookupEnv("MICRO_PROXY"); ok {
 		exchange = v
 	}
+	// get the exchange
+	if len(options.Exchange) > 0 {
+		exchange = options.Exchange
+	}
 
 	omd, ok := metadata.FromOutgoingContext(ctx)
 	if !ok {
@@ -621,76 +708,92 @@ 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 {
-				return errors.InternalServerError("go.micro.client", err.Error())
-			}
-			body = b.Bytes()
-		}
 
 		topic := p.Topic()
 		if len(exchange) > 0 {
 			topic = exchange
 		}
-
 		md.Set(metadata.HeaderTopic, topic)
+		iter := p.Metadata().Iterator()
+		var k, v string
+		for iter.Next(&k, &v) {
+			md.Set(k, v)
+		}
+
+		md[metadata.HeaderContentType] = p.ContentType()
+
+		// passed in raw data
+		if d, ok := p.Payload().(*codec.Frame); ok {
+			body = d.Data
+		} else {
+			// use codec for payload
+			cf, err := c.newCodec(p.ContentType())
+			if err != nil {
+				return errors.InternalServerError("go.micro.client", "%+v", err)
+			}
+			// set the body
+			b, err := cf.Marshal(p.Payload())
+			if err != nil {
+				return errors.InternalServerError("go.micro.client", "%+v", err)
+			}
+			body = b
+		}
+
 		msgs = append(msgs, &broker.Message{Header: md, Body: body})
 	}
 
-	return h.opts.Broker.BatchPublish(ctx, msgs,
+	return c.opts.Broker.BatchPublish(ctx, msgs,
 		broker.PublishContext(ctx),
 		broker.PublishBodyOnly(options.BodyOnly),
 	)
 }
 
-func (h *httpClient) String() string {
+func (c *httpClient) String() string {
 	return "http"
 }
 
-func (h *httpClient) Name() string {
+func (c *httpClient) Name() string {
-	return h.opts.Name
+	return c.opts.Name
 }
 
-func NewClient(opts ...client.Option) client.Client {
+func NewClient(opts ...client.Option) *httpClient {
 	options := client.NewOptions(opts...)
 
 	if len(options.ContentType) == 0 {
 		options.ContentType = DefaultContentType
 	}
 
-	rc := &httpClient{
+	c := &httpClient{
 		opts: options,
 	}
 
-	dialer, ok := options.Context.Value(httpDialerKey{}).(*net.Dialer)
+	var dialer func(context.Context, string) (net.Conn, error)
-	if !ok {
+	if v, ok := options.Context.Value(httpDialerKey{}).(*net.Dialer); ok {
-		dialer = &net.Dialer{
+		dialer = func(ctx context.Context, addr string) (net.Conn, error) {
-			Timeout:   30 * time.Second,
+			return v.DialContext(ctx, "tcp", addr)
-			KeepAlive: 30 * time.Second,
+		}
+	}
+	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)
 		}
 	}
 
 	if httpcli, ok := options.Context.Value(httpClientKey{}).(*http.Client); ok {
-		rc.httpcli = httpcli
+		c.httpcli = httpcli
 	} else {
 		// TODO customTransport := http.DefaultTransport.(*http.Transport).Clone()
 		tr := &http.Transport{
-			Proxy:                 http.ProxyFromEnvironment,
+			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,
@@ -699,14 +802,13 @@ func NewClient(opts ...client.Option) client.Client {
 			ExpectContinueTimeout: 1 * time.Second,
 			TLSClientConfig:       options.TLSConfig,
 		}
-		rc.httpcli = &http.Client{Transport: tr}
+		c.httpcli = &http.Client{Transport: tr}
 	}
-	c := client.Client(rc)
 
-	// wrap in reverse
+	c.funcCall = c.fnCall
-	for i := len(options.Wrappers); i > 0; i-- {
+	c.funcStream = c.fnStream
-		c = options.Wrappers[i-1](c)
+	c.funcPublish = c.fnPublish
-	}
+	c.funcBatchPublish = c.fnBatchPublish
 
 	return c
 }

http_test.go

@@ -1,21 +1,60 @@
 package http
 
 import (
+	"encoding/json"
+	"fmt"
 	"net/url"
 	"strings"
 	"testing"
 )
 
-type Request struct {
+func TestNestedPathPost(t *testing.T) {
-	Name     string `json:"name"`
+	req := &request{Name: "first", Field1: "fieldval"}
-	Field1   string `json:"field1"`
+	p, m, err := newPathRequest("/api/v1/xxxx", "POST", "*", req, []string{"json", "protobuf"}, nil)
-	ClientID string
+	if err != nil {
-	Field2   string
+		t.Fatal(err)
-	Field3   int64
+	}
+	u, err := url.Parse(p)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if s := u.String(); s != "/api/v1/xxxx" {
+		t.Fatalf("nested path error %s", s)
+	}
+	_ = m
+}
+
+type request struct {
+	NestedTest *request `json:"nested_test,omitempty"`
+	Name       string   `json:"name,omitempty"`
+	Field1     string   `json:"field1,omitempty"`
+	ClientID   string   `json:",omitempty"`
+	Field2     string   `json:",omitempty"`
+	Field3     int64    `json:",omitempty"`
+}
+
+func TestNestedPath(t *testing.T) {
+	req := &request{Name: "first", NestedTest: &request{Name: "second"}, Field1: "fieldval"}
+	p, m, err := newPathRequest("/api/v1/{name}/{nested_test.name}", "PUT", "*", req, []string{"json", "protobuf"}, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	u, err := url.Parse(p)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if s := u.String(); s != "/api/v1/first/second" {
+		t.Fatalf("nested path error %s", s)
+	}
+	b, err := json.Marshal(m)
+	if err != nil {
+		t.Fatal(err)
+	}
+	fmt.Printf("m %#+v %s\n", m, b)
 }
 
 func TestPathWithHeader(t *testing.T) {
-	req := &Request{Name: "vtolstov", Field1: "field1", ClientID: "1234567890"}
+	req := &request{Name: "vtolstov", Field1: "field1", ClientID: "1234567890"}
 	p, m, err := newPathRequest(
 		"/api/v1/test?Name={name}&Field1={field1}",
 		"POST",
@@ -40,7 +79,7 @@ func TestPathWithHeader(t *testing.T) {
 }
 
 func TestPathValues(t *testing.T) {
-	req := &Request{Name: "vtolstov", Field1: "field1"}
+	req := &request{Name: "vtolstov", Field1: "field1"}
 	p, m, err := newPathRequest("/api/v1/test?Name={name}&Field1={field1}", "POST", "*", req, nil, nil)
 	if err != nil {
 		t.Fatal(err)
@@ -56,7 +95,7 @@ func TestPathValues(t *testing.T) {
 }
 
 func TestValidPath(t *testing.T) {
-	req := &Request{Name: "vtolstov", Field1: "field1", Field2: "field2", Field3: 10}
+	req := &request{Name: "vtolstov", Field1: "field1", Field2: "field2", Field3: 10}
 	p, m, err := newPathRequest("/api/v1/{name}/list", "GET", "", req, nil, nil)
 	if err != nil {
 		t.Fatal(err)
@@ -73,9 +112,9 @@ func TestValidPath(t *testing.T) {
 }
 
 func TestInvalidPath(t *testing.T) {
-	req := &Request{Name: "vtolstov", Field1: "field1", Field2: "field2", Field3: 10}
+	req := &request{Name: "vtolstov", Field1: "field1", Field2: "field2", Field3: 10}
-	_, _, err := newPathRequest("/api/v1/{xname}/list", "GET", "", req, nil, nil)
+	s, _, err := newPathRequest("/api/v1/{xname}/list", "GET", "", req, nil, nil)
 	if err == nil {
-		t.Fatal("path param must not be filled")
+		t.Fatalf("path param must not be filled: %s", s)
 	}
 }

stream.go

@@ -12,6 +12,7 @@ import (
 	"go.unistack.org/micro/v3/client"
 	"go.unistack.org/micro/v3/codec"
 	"go.unistack.org/micro/v3/errors"
+	"go.unistack.org/micro/v3/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
@@ -65,7 +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
 	}
@@ -88,11 +90,11 @@ func (h *httpStream) Recv(msg interface{}) error {
 
 	hrsp, err := http.ReadResponse(h.reader, new(http.Request))
 	if err != nil {
-		return errors.InternalServerError("go.micro.client", err.Error())
+		return errors.InternalServerError("go.micro.client", "%+v", err)
 	}
 	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 {
@@ -115,41 +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
+
+	// fast path return
+	if hrsp.StatusCode == http.StatusNoContent {
+		return nil
+	}
 
 	select {
 	case <-ctx.Done():
 		err = ctx.Err()
 	default:
-		// fast path return
+		if hrsp.Body != nil {
-		if hrsp.StatusCode == http.StatusNoContent {
+			buf, err = io.ReadAll(hrsp.Body)
-			return nil
+			if err != nil {
+				if log.V(logger.ErrorLevel) {
+					log.Error(ctx, "failed to read body", err)
+				}
+				return errors.InternalServerError("go.micro.client", "%s", buf)
+			}
+		}
+
+		if log.V(logger.DebugLevel) {
+			log.Debug(ctx, fmt.Sprintf("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 errors.InternalServerError("go.micro.client", "%+v", err)
 			}
 			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 {
+			if rerr, ok = errmap[fmt.Sprintf("%d", hrsp.StatusCode)].(error); !ok {
-				err, ok = errmap["default"].(error)
+				rerr, ok = errmap["default"].(error)
 			}
 		}
-		if !ok || err == nil {
+		if !ok || rerr == nil {
-			buf, cerr := io.ReadAll(hrsp.Body)
-			if cerr != nil {
-				return errors.InternalServerError("go.micro.client", cerr.Error())
-			}
 			return errors.New("go.micro.client", string(buf), int32(hrsp.StatusCode))
 		}
 
-		if cerr := cf.ReadBody(hrsp.Body, err); cerr != nil {
+		if cerr := cf.Unmarshal(buf, rerr); cerr != nil {
-			err = errors.InternalServerError("go.micro.client", cerr.Error())
+			return errors.InternalServerError("go.micro.client", "%+v", cerr)
+		}
+
+		if err, ok = rerr.(error); !ok {
+			err = &Error{rerr}
 		}
 	}
 

util.go

@@ -13,6 +13,7 @@ import (
 	"go.unistack.org/micro/v3/client"
 	"go.unistack.org/micro/v3/errors"
 	"go.unistack.org/micro/v3/logger"
+	"go.unistack.org/micro/v3/metadata"
 	rutil "go.unistack.org/micro/v3/util/reflect"
 )
 
@@ -86,6 +87,8 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 
 	values := url.Values{}
 	// copy cycle
+
+	cleanPath := make(map[string]bool)
 	for i := 0; i < tmsg.NumField(); i++ {
 		val := tmsg.Field(i)
 		if val.IsZero() {
@@ -120,6 +123,7 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 			default:
 				t = &tag{key: tn, name: tp[0]}
 			}
+
 			if t.name != "" {
 				break
 			}
@@ -147,24 +151,69 @@ 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() {
-				tnmsg.Field(i).Set(val)
 			}
 		} else {
-			if val.Type().Kind() == reflect.Slice {
+			for k, v := range fieldsmap {
-				for idx := 0; idx < val.Len(); idx++ {
+				isSet := false
-					values.Add(t.name, fmt.Sprintf("%v", val.Index(idx).Interface()))
+				if v != "" {
+					continue
+				}
+				var clean []string
+				fld := msg
+
+				parts := strings.Split(k, ".")
+
+				for idx := 0; idx < len(parts); idx++ {
+					var nfld interface{}
+					var name string
+					if tags == nil {
+						tags = []string{"json"}
+					}
+				tagsloop:
+					for ti := 0; ti < len(tags); ti++ {
+						name, nfld, err = rutil.StructFieldNameByTag(fld, tags[ti], parts[idx])
+						if err == nil {
+							clean = append(clean, name)
+							break tagsloop
+						}
+					}
+					if err == nil {
+						fld = nfld
+						if len(parts)-1 == idx {
+							isSet = true
+							fieldsmap[k] = fmt.Sprintf("%v", fld)
+
+						}
+					}
+				}
+				if isSet {
+					cleanPath[strings.Join(clean, ".")] = true
 				}
-			} else {
-				values.Add(t.name, fmt.Sprintf("%v", val.Interface()))
 			}
+			for k := range cleanPath {
+				if err = rutil.ZeroFieldByPath(nmsg, k); err != nil {
+					return "", nil, err
+				}
+			}
+			if (body == "*" || body == t.name) && method != http.MethodGet {
+				if tnmsg.Field(i).CanSet() {
+					tnmsg.Field(i).Set(val)
+				}
+			} else if method == http.MethodGet {
+				if val.Type().Kind() == reflect.Slice {
+					for idx := 0; idx < val.Len(); idx++ {
+						values.Add(t.name, getParam(val.Index(idx)))
+					}
+				} else if !rutil.IsEmpty(val) {
+					values.Add(t.name, getParam(val))
+				}
+			}
+
 		}
 	}
 
@@ -216,19 +265,23 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 		_, _ = b.WriteString(values.Encode())
 	}
 
-	/*
+	// rutil.ZeroEmpty(tnmsg.Interface())
-		if err = rutil.ZeroFieldByPath(nmsg, k); err != nil {
-			return nil, errors.BadRequest("go.micro.client", err.Error())
-		}
-	*/
 
-	if rutil.IsZero(nmsg) {
+	if rutil.IsZero(nmsg) && !isEmptyStruct(nmsg) {
 		return b.String(), nil, nil
 	}
 
 	return b.String(), nmsg, nil
 }
 
+func isEmptyStruct(v interface{}) bool {
+	val := reflect.ValueOf(v)
+	if val.Kind() == reflect.Ptr {
+		val = val.Elem()
+	}
+	return val.Kind() == reflect.Struct && val.NumField() == 0
+}
+
 func newTemplate(path string) ([]string, error) {
 	if len(path) == 0 || path[0] != '/' {
 		return nil, fmt.Errorf("path must starts with /")
@@ -251,40 +304,56 @@ 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
+	}
+
+	if opts.ResponseMetadata != nil {
+		*opts.ResponseMetadata = metadata.New(len(hrsp.Header))
+		for k, v := range hrsp.Header {
+			opts.ResponseMetadata.Set(k, strings.Join(v, ","))
+		}
+	}
 
 	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.Body != nil {
-		if hrsp.StatusCode >= 400 && cerr != nil {
+			buf, err = io.ReadAll(hrsp.Body)
-			var buf []byte
+			if err != nil {
-			if hrsp.Body != nil {
+				if h.opts.Logger.V(logger.ErrorLevel) {
-				buf, err = io.ReadAll(hrsp.Body)
+					h.opts.Logger.Error(ctx, "failed to read body", err)
-				if err != nil && h.opts.Logger.V(logger.ErrorLevel) {
-					h.opts.Logger.Errorf(ctx, "failed to read body: %v", err)
 				}
+				return errors.InternalServerError("go.micro.client", "%s", 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 {
+		cf, cerr := h.newCodec(ct)
-			return errors.InternalServerError("go.micro.client", cerr.Error())
+		if cerr != nil {
+			if h.opts.Logger.V(logger.DebugLevel) {
+				h.opts.Logger.Debug(ctx, fmt.Sprintf("response with %v unknown content-type %s %s", hrsp.Header, ct, buf))
+			}
+			return errors.InternalServerError("go.micro.client", "%+v", cerr)
+		}
+
+		if h.opts.Logger.V(logger.DebugLevel) {
+			h.opts.Logger.Debug(ctx, fmt.Sprintf("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 errors.InternalServerError("go.micro.client", "%+v", err)
 			}
 			return nil
 		}
@@ -300,15 +369,11 @@ 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())
+			return errors.InternalServerError("go.micro.client", "%+v", cerr)
 		}
 
 		if err, ok = rerr.(error); !ok {
@@ -324,3 +389,26 @@ 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
+}

util_test.go

@@ -1,6 +1,7 @@
 package http
 
 import (
+	"net/http"
 	"net/url"
 	"testing"
 )
@@ -52,9 +53,47 @@ func TestNewPathRequest(t *testing.T) {
 		if err != nil {
 			t.Fatal(err)
 		}
-		vals := u.Query()
+		switch m {
-		if v, ok := vals["name"]; !ok || v[0] != "test_name" {
+		case http.MethodPost, http.MethodPut, http.MethodPatch, http.MethodDelete:
-			t.Fatalf("invalid path: %v nmsg: %v", path, nmsg)
+			break
+		case http.MethodGet:
+			vals := u.Query()
+			if v, ok := vals["name"]; !ok || v[0] != "test_name" {
+				t.Fatalf("%s invalid path: %v nmsg: %v", m, path, nmsg)
+			}
+		}
+
+	}
+}
+
+func TestNewPathRequestWithEmptyBody(t *testing.T) {
+	val := struct{}{}
+	cases := []string{
+		"",
+		"*",
+		"{}",
+		"nil",
+		`{"type": "invalid"}`,
+	}
+
+	for _, body := range cases {
+		for _, m := range []string{"POST", "PUT", "PATCH", "GET", "DELETE"} {
+			path, nmsg, err := newPathRequest("/v1/test", m, body, val, []string{"protobuf", "json"}, nil)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if nmsg == nil {
+				t.Fatalf("invalid path: nil nmsg")
+			}
+
+			u, err := url.Parse(path)
+			if err != nil {
+				t.Fatal(err)
+			}
+			vals := u.Query()
+			if len(vals) != 0 {
+				t.Fatalf("invalid path: %v nmsg: %v", path, nmsg)
+			}
 		}
 	}
 }
@@ -87,7 +126,7 @@ func TestNewPathVarRequest(t *testing.T) {
 				t.Fatalf("invalid nmsg: %#+v\n", nmsg)
 			}
 			if nmsg.(*Message).Name != "test_name" {
-				t.Fatalf("invalid nmsg: %v nmsg: %v", path, nmsg)
+				t.Fatalf("invalid path: %v nmsg: %#+v", path, nmsg)
 			}
 		} else {
 			vals := u.Query()