update for latest micro logger changes

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

.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
+    - name: checkout
-      uses: actions/checkout@v2
+      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
+    - 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.
@@ -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
+    - 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
@@ -71,5 +74,5 @@ jobs:
     #   make bootstrap
     #   make release
 
-    - name: Perform CodeQL Analysis
+    - name: analyze
-      uses: github/codeql-action/analyze@v1
+      uses: github/codeql-action/analyze@v2

.github/workflows/dependabot-automerge.yml

@@ -1,66 +1,27 @@
-name: "prautomerge"
+name: "dependabot-automerge"
 
 on:
-  workflow_run:
+  pull_request_target:
-    workflows: ["prbuild"]
+    types: [assigned, opened, synchronize, reopened]
-    types:
-      - completed
 
 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
+    if: github.actor == 'dependabot[bot]'
-    # 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 ))
     steps:
-      - name: Approve Changes and Merge changes if label 'dependencies' is set
+      - name: metadata
-        uses: actions/github-script@v4
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.3.6
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
+          github-token: "${{ secrets.TOKEN }}"
-          script: |
+      - name: merge
-            console.log(context.payload.workflow_run);
+        id: merge
-            
+        if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
-            var labelNames = await github.paginate(
+        run: gh pr merge --auto --merge "$PR_URL"
-              github.issues.listLabelsOnIssue,
+        env:
-              {
+          PR_URL: ${{github.event.pull_request.html_url}}
-                repo: context.repo.repo,
+          GITHUB_TOKEN: ${{secrets.TOKEN}}
-                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/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.

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 v3.8.4
+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

@@ -1,26 +1,39 @@
-github.com/ef-ds/deque v1.0.4/go.mod h1:gXDnTC3yqvBcHbq2lcExjtAcVrOnJCbMcZXmuj8Z4tg=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/golang-jwt/jwt/v4 v4.1.0/go.mod h1:/xlHOz8bRuivTWchD4jCa+NbatV+wEUSzwAxVc6locg=
+go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
-github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
+go.unistack.org/micro/v3 v3.10.69 h1:V4g9LqUhzGab73U2aevnjtffCdJqGTuMfWY7fy4qGwI=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+go.unistack.org/micro/v3 v3.10.69/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
-github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
+go.unistack.org/micro/v3 v3.10.88 h1:MxlzP+77Y6Kphb3lzHxROL4XfE/WdCQMQpnPv4D9Z8U=
-github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
+go.unistack.org/micro/v3 v3.10.88/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
-github.com/silas/dag v0.0.0-20210626123444-3804bac2d6d4/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
+go.unistack.org/micro/v3 v3.10.91 h1:vuJY4tXwpqimwIkEJ3TozMYNVQQs+C5QMlQWPgSY/YM=
-go.unistack.org/micro-proto/v3 v3.1.0 h1:q39FwjFiRZn+Ux/tt+d3bJTmDtsQQWa+3SLYVo1vLfA=
+go.unistack.org/micro/v3 v3.10.91/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
-go.unistack.org/micro-proto/v3 v3.1.0/go.mod h1:DpRhYCBXlmSJ/AAXTmntvlh7kQkYU6eFvlmYAx4BQS8=
+go.unistack.org/micro/v3 v3.10.97 h1:8l7fv+i06/PjPrBBhRC/ZQkWGIOuHPg3jJN0vktYE78=
-go.unistack.org/micro/v3 v3.8.4 h1:Nny6JT7TlDS0e5bPVmbbpKXrisMQ6q9cvao5uyaa3eo=
+go.unistack.org/micro/v3 v3.10.97/go.mod h1:YzMldzHN9Ei+zy5t/Psu7RUWDZwUfrNYiStSQtTz90g=
-go.unistack.org/micro/v3 v3.8.4/go.mod h1:KMMmOmbgo/D52/rCAbqeKbBsgEEbSKM69he54J3ZIuA=
+golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
-golang.org/x/net v0.0.0-20210928044308-7d9f5e0b762b/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240415180920-8c6c420018be h1:LG9vZxsWGOmUKieR8wPAUR3u3MpnYFQZROPIMaXh7/A=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240415180920-8c6c420018be/go.mod h1:WtryC6hu0hhx87FDGxWCDptyssuo68sk10vYjF+T9fY=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
-google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9 h1:QCqS/PdaHTSWGvupk2F/ehwHtGc0/GYkT+3GAcR1CCc=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9/go.mod h1:GX3210XPVPUjJbTUbvwI8f2IpZDMZuPJWDzDuebbviI=
-gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+google.golang.org/grpc v1.63.2 h1:MUeiw1B2maTVZthpU5xvASfTh3LDbxHd6IJ6QQVU+xM=
+google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA=
+google.golang.org/grpc v1.66.2 h1:3QdXkuq3Bkh7w+ywLdLvM56cmGvQHUMZpiCzt6Rqaoo=
+google.golang.org/grpc v1.66.2/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
+google.golang.org/grpc v1.67.0 h1:IdH9y6PF5MPSdAntIcpjQ+tXO41pcQsfZV2RxtQgVcw=
+google.golang.org/grpc v1.67.0/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
+google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E=
+google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
+google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
+google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
+google.golang.org/protobuf v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA=
+google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=

http.go

@@ -1,5 +1,5 @@
 // Package http provides a http client
-package http
+package http // import "go.unistack.org/micro-client-http/v3"
 
 import (
 	"bufio"
@@ -11,6 +11,7 @@ import (
 	"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 +39,17 @@ func filterLabel(r []router.Route) []router.Route {
 */
 
 type httpClient struct {
+	funcPublish      client.FuncPublish
+	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"
@@ -145,6 +155,11 @@ 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 {
@@ -166,7 +181,7 @@ func newRequest(ctx context.Context, addr string, req client.Request, ct string,
 
 	for km, vm := range parameters {
 		for k, required := range vm {
-			v, err = rutil.StructFieldByPath(nmsg, k)
+			v, err = rutil.StructFieldByPath(msg, k)
 			if err != nil {
 				return nil, errors.BadRequest("go.micro.client", err.Error())
 			}
@@ -209,26 +224,30 @@ 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", err.Error())
 	}
-	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:
@@ -245,28 +264,29 @@ func (h *httpClient) call(ctx context.Context, addr string, req client.Request,
 
 	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", err.Error())
 	}
 
-	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 &httpStream{
 		address: addr,
+		logger:  c.opts.Logger,
 		context: ctx,
 		closed:  make(chan bool),
 		opts:    opts,
@@ -278,66 +298,88 @@ 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.EachNext(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)
 	}
@@ -364,40 +406,24 @@ 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 {
@@ -412,12 +438,28 @@ 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", err.Error())
+			}
+
+			// 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 +504,36 @@ 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)
 	}
@@ -501,31 +570,20 @@ 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
@@ -539,12 +597,28 @@ 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", 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)
+		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 +669,25 @@ 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 +695,10 @@ 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 {
@@ -622,75 +710,89 @@ 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()
+		topic := p.Topic()
-
+		if len(exchange) > 0 {
-		cf, err := h.newCodec(p.ContentType())
+			topic = exchange
-		if err != nil {
+		}
-			return errors.InternalServerError("go.micro.client", err.Error())
+		md.Set(metadata.HeaderTopic, topic)
+		iter := p.Metadata().Iterator()
+		var k, v string
+		for iter.Next(&k, &v) {
+			md.Set(k, v)
 		}
-
-		var body []byte
 
 		// passed in raw data
 		if d, ok := p.Payload().(*codec.Frame); ok {
 			body = d.Data
 		} else {
-			b := bytes.NewBuffer(nil)
+			// use codec for payload
-			if err := cf.Write(b, &codec.Message{Type: codec.Event}, p.Payload()); err != nil {
+			cf, err := c.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()
-		if len(exchange) > 0 {
-			topic = exchange
-		}
-
-		md.Set(metadata.HeaderTopic, topic)
 		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) {
+			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)
 		}
 	}
 
 	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,
-			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 +801,13 @@ 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)
 	}
 }

message.go

@@ -2,24 +2,28 @@ package http
 
 import (
 	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/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
+}

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
@@ -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.Error(ctx, "failed to read body", err)
+				}
+				return errors.InternalServerError("go.micro.client", string(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 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", cerr.Error())
+		}
+
+		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"
 )
 
@@ -86,13 +87,23 @@ 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() {
 			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)
@@ -112,6 +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
 			}
@@ -139,25 +151,70 @@ 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 {
+		} else {
+			for k, v := range fieldsmap {
+				isSet := false
+				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
+				}
+			}
+			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 {
+			} else if method == http.MethodGet {
 				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 {
+				} else if !rutil.IsEmpty(val) {
-				values.Add(t.name, fmt.Sprintf("%v", val.Interface()))
+					values.Add(t.name, getParam(val))
 				}
 			}
+
+		}
 	}
 
 	// check not filled stuff
@@ -208,19 +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 /")
@@ -243,39 +304,55 @@ 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.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 {
-					h.opts.Logger.Errorf(ctx, "failed to read body: %v", err)
+				if h.opts.Logger.V(logger.ErrorLevel) {
+					h.opts.Logger.Error(ctx, "failed to read body", err)
+				}
+				return errors.InternalServerError("go.micro.client", string(buf))
 			}
 		}
-			// response like text/plain or something else, return original error
+
-			return errors.New("go.micro.client", string(buf), int32(hrsp.StatusCode))
+		cf, cerr := h.newCodec(ct)
-		} else if cerr != nil {
+		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", cerr.Error())
 		}
 
+		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 nil
@@ -292,14 +369,10 @@ 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 +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"
 )
@@ -52,12 +53,50 @@ func TestNewPathRequest(t *testing.T) {
 		if err != nil {
 			t.Fatal(err)
 		}
+		switch m {
+		case http.MethodPost, http.MethodPut, http.MethodPatch, http.MethodDelete:
+			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)
 			}
 		}
 	}
+}
 
 func TestNewPathVarRequest(t *testing.T) {
 	type Message struct {
@@ -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()