Merge pull request 'update for latest micro changes' (#114) from options into master

Reviewed-on: #114

.gitea/workflows/job_lint.yml

@@ -1,29 +0,0 @@
-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

@@ -1,34 +0,0 @@
-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

@@ -1,53 +0,0 @@
-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

@@ -0,0 +1,19 @@
+# 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/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

@@ -0,0 +1,47 @@
+name: build
+on:
+ push:
+    branches:
+    - master
+    - v3
+jobs:
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+    - name: setup
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.17
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: cache
+      uses: actions/cache@v3
+      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@v3.4.0
+        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.
+          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

@@ -0,0 +1,78 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "codeql"
+
+on:
+  workflow_run:
+    workflows: ["prbuild"]
+    types:
+      - completed
+  push:
+    branches: [ master, v3 ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master, v3 ]
+  schedule:
+    - cron: '34 1 * * 0'
+
+jobs:
+  analyze:
+    name: analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'go' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
+        # Learn more:
+        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
+
+    steps:
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: setup
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.17
+    # Initializes the CodeQL tools for scanning.
+    - name: init
+      uses: github/codeql-action/init@v2
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: autobuild
+      uses: github/codeql-action/autobuild@v2
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: analyze
+      uses: github/codeql-action/analyze@v2

.github/workflows/dependabot-automerge.yml

@@ -0,0 +1,27 @@
+name: "dependabot-automerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
+    steps:
+      - name: metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.3.6
+        with:
+          github-token: "${{ secrets.TOKEN }}"
+      - name: merge
+        id: merge
+        if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/pr.yml

@@ -0,0 +1,47 @@
+name: prbuild
+on:
+  pull_request:
+    branches:
+    - master
+    - v3
+jobs:
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+    - name: setup
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.17
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: cache
+      uses: actions/cache@v3
+      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@v3.4.0
+        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.
+          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

@@ -1,39 +0,0 @@
-# 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

@@ -1,5 +1,44 @@
 run:
-  concurrency: 8
+  concurrency: 4
   deadline: 5m
   issues-exit-code: 1
   tests: true
+
+linters-settings:
+  govet:
+    check-shadowing: true
+    enable:
+      - fieldalignment
+
+linters:
+  enable:
+    - govet
+    - deadcode
+    - errcheck
+    - govet
+    - ineffassign
+    - staticcheck
+    - structcheck
+    - typecheck
+    - unused
+    - varcheck
+    - bodyclose
+    - gci
+    - goconst
+    - gocritic
+    - gosimple
+    - gofmt
+    - gofumpt
+    - goimports
+    - golint
+    - gosec
+    - makezero
+    - misspell
+    - nakedret
+    - nestif
+    - nilerr
+    - noctx
+    - prealloc
+    - unconvert
+    - unparam
+  disable-all: false

README.md

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

go.mod

@@ -1,19 +1,5 @@
 module go.unistack.org/micro-client-http/v4
 
-go 1.22.0
+go 1.19
 
-require go.unistack.org/micro/v4 v4.1.2
+require go.unistack.org/micro/v4 v4.0.6
-
-require (
-	github.com/ash3in/uuidv8 v1.2.0 // indirect
-	github.com/google/uuid v1.6.0 // indirect
-	github.com/matoous/go-nanoid v1.5.1 // indirect
-	github.com/spf13/cast v1.7.1 // indirect
-	go.unistack.org/micro-proto/v4 v4.1.0 // indirect
-	golang.org/x/sys v0.30.0 // indirect
-	golang.org/x/text v0.22.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20241216192217-9240e9c98484 // indirect
-	google.golang.org/grpc v1.69.4 // indirect
-	google.golang.org/protobuf v1.36.3 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
-)

go.sum

@@ -1,43 +1,4 @@
-github.com/DATA-DOG/go-sqlmock v1.5.2 h1:OcvFkGmslmlZibjAjaHm3L//6LiuBgolP7OputlJIzU=
+go.unistack.org/micro/v4 v4.0.1 h1:xo1IxbVfgh8i0eY0VeYa3cbb13u5n/Mxnp3FOgWD4Jo=
-github.com/DATA-DOG/go-sqlmock v1.5.2/go.mod h1:88MAG/4G7SMwSE3CeA0ZKzrT5CiOU3OJ+JlNzwDqpNU=
+go.unistack.org/micro/v4 v4.0.1/go.mod h1:p/J5UcSJjfHsWGT31uKoghQ5rUQZzQJBAFy+Z4+ZVMs=
-github.com/ash3in/uuidv8 v1.2.0 h1:2oogGdtCPwaVtyvPPGin4TfZLtOGE5F+W++E880G6SI=
+go.unistack.org/micro/v4 v4.0.6 h1:YFWvTh3VwyOd6NHYTQcf47n2TF5+p/EhpnbuBQX3qhk=
-github.com/ash3in/uuidv8 v1.2.0/go.mod h1:BnU0wJBxnzdEKmVg4xckBkD+VZuecTFTUP3M0dWgyY4=
+go.unistack.org/micro/v4 v4.0.6/go.mod h1:bVEYTlPi0EsdgZZt311bIroDg9ict7ky3C87dSCCAGk=
-github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
-github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
-github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
-github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
-github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
-github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
-github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
-github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/matoous/go-nanoid v1.5.1 h1:aCjdvTyO9LLnTIi0fgdXhOPPvOHjpXN6Ik9DaNjIct4=
-github.com/matoous/go-nanoid v1.5.1/go.mod h1:zyD2a71IubI24efhpvkJz+ZwfwagzgSO6UNiFsZKN7U=
-github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
-github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
-github.com/spf13/cast v1.7.1 h1:cuNEagBQEHWN1FnbGEjCXL2szYEXqfJPbP2HNUaca9Y=
-github.com/spf13/cast v1.7.1/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
-go.unistack.org/micro-proto/v4 v4.1.0 h1:qPwL2n/oqh9RE3RTTDgt28XK3QzV597VugQPaw9lKUk=
-go.unistack.org/micro-proto/v4 v4.1.0/go.mod h1:ArmK7o+uFvxSY3dbJhKBBX4Pm1rhWdLEFf3LxBrMtec=
-go.unistack.org/micro/v4 v4.1.2 h1:9SOlPYyPNNFpg1A7BsvhDyQm3gysLH1AhWbDCp1hyoY=
-go.unistack.org/micro/v4 v4.1.2/go.mod h1:lr3oYED8Ay1vjK68QqRw30QOtdk/ffpZqMFDasOUhKw=
-golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0=
-golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k=
-golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
-golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/text v0.22.0 h1:bofq7m3/HAFvbF51jz3Q9wLg3jkvSPuiZu/pD1XwgtM=
-golang.org/x/text v0.22.0/go.mod h1:YRoo4H8PVmsu+E3Ou7cqLVH8oXWIHVoX0jqUWALQhfY=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20241216192217-9240e9c98484 h1:Z7FRVJPSMaHQxD0uXU8WdgFh8PseLM8Q8NzhnpMrBhQ=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20241216192217-9240e9c98484/go.mod h1:lcTa1sDdWEIHMWlITnIczmw5w60CF9ffkb8Z+DVmmjA=
-google.golang.org/grpc v1.69.4 h1:MF5TftSMkd8GLw/m0KM6V8CMOCY6NZ1NQDPGFgbTt4A=
-google.golang.org/grpc v1.69.4/go.mod h1:vyjdE6jLBI76dgpDojsFGNaHlxdjXN9ghpnd2o7JGZ4=
-google.golang.org/protobuf v1.36.3 h1:82DV7MYdb8anAVi3qge1wSnMDrnKK7ebr+I0hHRN1BU=
-google.golang.org/protobuf v1.36.3/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
-gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

http.go

@@ -1,16 +1,15 @@
 // Package http provides a http client
-package http // import "go.unistack.org/micro-client-http/v3"
+package http // import "go.unistack.org/micro-client-http/v4"
 
 import (
 	"bufio"
 	"bytes"
 	"context"
 	"fmt"
-	"io"
+	"io/ioutil"
 	"net"
 	"net/http"
 	"net/url"
-	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -22,8 +21,6 @@ import (
 	"go.unistack.org/micro/v4/metadata"
 	"go.unistack.org/micro/v4/options"
 	"go.unistack.org/micro/v4/selector"
-	"go.unistack.org/micro/v4/semconv"
-	"go.unistack.org/micro/v4/tracer"
 	rutil "go.unistack.org/micro/v4/util/reflect"
 )
 
@@ -37,11 +34,10 @@ func filterLabel(r []router.Route) []router.Route {
 */
 
 type httpClient struct {
-	funcCall   client.FuncCall
-	funcStream client.FuncStream
 	httpcli *http.Client
 	opts    client.Options
 	sync.RWMutex
+	init bool
 }
 
 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) {
@@ -119,7 +115,7 @@ func newRequest(ctx context.Context, log logger.Logger, addr string, req client.
 
 	u, err = u.Parse(path)
 	if err != nil {
-		return nil, errors.BadRequest("go.micro.client", "%+v", err)
+		return nil, errors.BadRequest("go.micro.client", err.Error())
 	}
 
 	var nmsg interface{}
@@ -130,12 +126,12 @@ func newRequest(ctx context.Context, log logger.Logger, addr string, req client.
 	}
 
 	if err != nil {
-		return nil, errors.BadRequest("go.micro.client", "%+v", err)
+		return nil, errors.BadRequest("go.micro.client", err.Error())
 	}
 
 	u, err = url.Parse(fmt.Sprintf("%s://%s%s", scheme, host, path))
 	if err != nil {
-		return nil, errors.BadRequest("go.micro.client", "%+v", err)
+		return nil, errors.BadRequest("go.micro.client", err.Error())
 	}
 
 	var cookies []*http.Cookie
@@ -143,7 +139,7 @@ func newRequest(ctx context.Context, log logger.Logger, addr string, req client.
 	if opts.Context != nil {
 		if md, ok := opts.Context.Value(metadataKey{}).(metadata.Metadata); ok {
 			for k, v := range md {
-				header[k] = append(header[k], v...)
+				header.Set(k, v)
 			}
 		}
 	}
@@ -152,13 +148,13 @@ func newRequest(ctx context.Context, log logger.Logger, addr string, req client.
 	}
 	if opts.RequestMetadata != nil {
 		for k, v := range opts.RequestMetadata {
-			header[k] = append(header[k], v...)
+			header.Set(k, v)
 		}
 	}
 
 	if md, ok := metadata.FromOutgoingContext(ctx); ok {
 		for k, v := range md {
-			header[k] = append(header[k], v...)
+			header.Set(k, v)
 		}
 	}
 
@@ -178,11 +174,11 @@ func newRequest(ctx context.Context, log logger.Logger, addr string, req client.
 		for k, required := range vm {
 			v, err = rutil.StructFieldByPath(msg, k)
 			if err != nil {
-				return nil, errors.BadRequest("go.micro.client", "%+v", err)
+				return nil, errors.BadRequest("go.micro.client", err.Error())
 			}
 			if rutil.IsZero(v) {
 				if required == "true" {
-					return nil, errors.BadRequest("go.micro.client", "required field %s not set", k)
+					return nil, errors.BadRequest("go.micro.client", fmt.Sprintf("required field %s not set", k))
 				}
 				continue
 			}
@@ -198,12 +194,12 @@ func newRequest(ctx context.Context, log logger.Logger, addr string, req client.
 
 	b, err := cf.Marshal(nmsg)
 	if err != nil {
-		return nil, errors.BadRequest("go.micro.client", "%+v", err)
+		return nil, errors.BadRequest("go.micro.client", err.Error())
 	}
 
 	var hreq *http.Request
 	if len(b) > 0 {
-		hreq, err = http.NewRequestWithContext(ctx, method, u.String(), io.NopCloser(bytes.NewBuffer(b)))
+		hreq, err = http.NewRequestWithContext(ctx, method, u.String(), ioutil.NopCloser(bytes.NewBuffer(b)))
 		hreq.ContentLength = int64(len(b))
 		header.Set("Content-Length", fmt.Sprintf("%d", hreq.ContentLength))
 	} else {
@@ -211,7 +207,7 @@ func newRequest(ctx context.Context, log logger.Logger, addr string, req client.
 	}
 
 	if err != nil {
-		return nil, errors.BadRequest("go.micro.client", "%+v", err)
+		return nil, errors.BadRequest("go.micro.client", err.Error())
 	}
 
 	hreq.Header = header
@@ -220,68 +216,68 @@ func newRequest(ctx context.Context, log logger.Logger, addr string, req client.
 	}
 
 	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))
+		log.Debugf(ctx, "request %s to %s with headers %v body %s", method, u.String(), hreq.Header, b)
 	}
 
 	return hreq, nil
 }
 
-func (c *httpClient) call(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions) error {
+func (h *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 := c.newCodec(ct)
+	cf, err := h.newCodec(ct)
 	if err != nil {
-		return errors.BadRequest("go.micro.client", "%+v", err)
+		return errors.BadRequest("go.micro.client", err.Error())
 	}
-	hreq, err := newRequest(ctx, c.opts.Logger, addr, req, ct, cf, req.Body(), opts)
+	hreq, err := newRequest(ctx, h.opts.Logger, addr, req, ct, cf, req.Body(), opts)
 	if err != nil {
 		return err
 	}
 
 	// make the request
-	hrsp, err := c.httpcli.Do(hreq)
+	hrsp, err := h.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", "%+v", err)
+				return errors.Timeout("go.micro.client", err.Error())
 			}
 		case net.Error:
 			if err.Timeout() {
-				return errors.Timeout("go.micro.client", "%+v", err)
+				return errors.Timeout("go.micro.client", err.Error())
 			}
 		}
-		return errors.InternalServerError("go.micro.client", "%+v", err)
+		return errors.InternalServerError("go.micro.client", err.Error())
 	}
 
 	defer hrsp.Body.Close()
 
-	return c.parseRsp(ctx, hrsp, rsp, opts)
+	return h.parseRsp(ctx, hrsp, rsp, opts)
 }
 
-func (c *httpClient) stream(ctx context.Context, addr string, req client.Request, opts client.CallOptions) (client.Stream, error) {
+func (h *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 := c.newCodec(ct)
+	cf, err := h.newCodec(ct)
 	if err != nil {
-		return nil, errors.BadRequest("go.micro.client", "%+v", err)
+		return nil, errors.BadRequest("go.micro.client", err.Error())
 	}
 
-	cc, err := (c.httpcli.Transport).(*http.Transport).DialContext(ctx, "tcp", addr)
+	cc, err := (h.httpcli.Transport).(*http.Transport).DialContext(ctx, "tcp", addr)
 	if err != nil {
-		return nil, errors.InternalServerError("go.micro.client", "Error dialing: %v", err)
+		return nil, errors.InternalServerError("go.micro.client", fmt.Sprintf("Error dialing: %v", err))
 	}
 
 	return &httpStream{
 		address: addr,
-		logger:  c.opts.Logger,
+		logger:  h.opts.Logger,
 		context: ctx,
 		closed:  make(chan bool),
 		opts:    opts,
@@ -293,78 +289,56 @@ func (c *httpClient) stream(ctx context.Context, addr string, req client.Request
 	}, nil
 }
 
-func (c *httpClient) newCodec(ct string) (codec.Codec, error) {
+func (h *httpClient) newCodec(ct string) (codec.Codec, error) {
-	c.RLock()
+	h.RLock()
+	defer h.RUnlock()
 
 	if idx := strings.IndexRune(ct, ';'); idx >= 0 {
 		ct = ct[:idx]
 	}
 
-	if cf, ok := c.opts.Codecs[ct]; ok {
+	if c, ok := h.opts.Codecs[ct]; ok {
-		c.RUnlock()
+		return c, nil
-		return cf, nil
 	}
 
-	c.RUnlock()
 	return nil, codec.ErrUnknownContentType
 }
 
-func (c *httpClient) Init(opts ...client.Option) error {
+func (h *httpClient) Init(opts ...options.Option) error {
+	if len(opts) == 0 && h.init {
+		return nil
+	}
 	for _, o := range opts {
-		o(&c.opts)
+		o(&h.opts)
 	}
 
-	c.funcCall = c.fnCall
+	if err := h.opts.Tracer.Init(); err != nil {
-	c.funcStream = c.fnStream
+		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)
+	}
+	if err := h.opts.Meter.Init(); err != nil {
+		return err
 	}
-	})
 
 	return nil
 }
 
-func (c *httpClient) Options() client.Options {
+func (h *httpClient) Options() client.Options {
-	return c.opts
+	return h.opts
 }
 
-func (c *httpClient) NewRequest(service, method string, req interface{}, opts ...client.RequestOption) client.Request {
+func (h *httpClient) NewRequest(service, method string, req interface{}, opts ...options.Option) client.Request {
-	return newHTTPRequest(service, method, req, c.opts.ContentType, opts...)
+	return newHTTPRequest(service, method, req, h.opts.ContentType, opts...)
 }
 
-func (c *httpClient) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
+func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...options.Option) 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 := c.opts.CallOptions
+	callOpts := h.opts.CallOptions
 	for _, opt := range opts {
 		opt(&callOpts)
 	}
@@ -379,8 +353,9 @@ func (c *httpClient) fnCall(ctx context.Context, req client.Request, rsp interfa
 	} else {
 		// got a deadline so no need to setup context
 		// but we need to set the timeout we pass along
-		opt := client.WithRequestTimeout(time.Until(d))
+		if err := options.Set(&callOpts, time.Until(d), ".RequestTimeout"); err != nil {
-		opt(&callOpts)
+			return errors.New("go.micro.client", fmt.Sprintf("%v", err.Error()), 400)
+		}
 	}
 
 	// should we noop right here?
@@ -391,21 +366,26 @@ func (c *httpClient) fnCall(ctx context.Context, req client.Request, rsp interfa
 	}
 
 	// make copy of call method
-	hcall := c.call
+	hcall := h.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 = c.opts.Router
+		callOpts.Router = h.opts.Router
 	}
 
 	if callOpts.Selector == nil {
-		callOpts.Selector = c.opts.Selector
+		callOpts.Selector = h.opts.Selector
 	}
 
 	// inject proxy address
 	// TODO: don't even bother using Lookup/Select in this case
-	if len(c.opts.Proxy) > 0 {
+	if len(h.opts.Proxy) > 0 {
-		callOpts.Address = []string{c.opts.Proxy}
+		callOpts.Address = []string{h.opts.Proxy}
 	}
 
 	var next selector.Next
@@ -415,7 +395,7 @@ func (c *httpClient) fnCall(ctx context.Context, req client.Request, rsp interfa
 		// 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", "%+v", err)
+			return errors.InternalServerError("go.micro.client", err.Error())
 		}
 
 		// only sleep if greater than 0
@@ -427,9 +407,9 @@ func (c *httpClient) fnCall(ctx context.Context, req client.Request, rsp interfa
 			var routes []string
 			// lookup the route to send the reques to
 			// TODO apply any filtering here
-			routes, err = c.opts.Lookup(ctx, req, callOpts)
+			routes, err = h.opts.Lookup(ctx, req, callOpts)
 			if err != nil {
-				return errors.InternalServerError("go.micro.client", "%+v", err)
+				return errors.InternalServerError("go.micro.client", err.Error())
 			}
 
 			// balance the list of nodes
@@ -444,7 +424,7 @@ func (c *httpClient) fnCall(ctx context.Context, req client.Request, rsp interfa
 		// make the call
 		err = hcall(ctx, node, req, rsp, callOpts)
 		// record the result of the call to inform future routing decisions
-		if verr := c.opts.Selector.Record(node, err); verr != nil {
+		if verr := h.opts.Selector.Record(node, err); verr != nil {
 			return verr
 		}
 
@@ -489,36 +469,11 @@ func (c *httpClient) fnCall(ctx context.Context, req client.Request, rsp interfa
 	return gerr
 }
 
-func (c *httpClient) Stream(ctx context.Context, req client.Request, opts ...client.CallOption) (client.Stream, error) {
+func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...options.Option) (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 := c.opts.CallOptions
+	callOpts := h.opts.CallOptions
 	for _, o := range opts {
 		o(&callOpts)
 	}
@@ -533,8 +488,9 @@ func (c *httpClient) fnStream(ctx context.Context, req client.Request, opts ...c
 	} else {
 		// got a deadline so no need to setup context
 		// but we need to set the timeout we pass along
-		o := client.WithStreamTimeout(time.Until(d))
+		if err = options.Set(&callOpts, time.Until(d), ".StreamTimeout"); err != nil {
-		o(&callOpts)
+			return nil, errors.New("go.micro.client", fmt.Sprintf("%v", err.Error()), 400)
+		}
 	}
 
 	// should we noop right here?
@@ -555,17 +511,17 @@ func (c *httpClient) fnStream(ctx context.Context, req client.Request, opts ...c
 
 	// use the router passed as a call option, or fallback to the rpc clients router
 	if callOpts.Router == nil {
-		callOpts.Router = c.opts.Router
+		callOpts.Router = h.opts.Router
 	}
 
 	if callOpts.Selector == nil {
-		callOpts.Selector = c.opts.Selector
+		callOpts.Selector = h.opts.Selector
 	}
 
 	// inject proxy address
 	// TODO: don't even bother using Lookup/Select in this case
-	if len(c.opts.Proxy) > 0 {
+	if len(h.opts.Proxy) > 0 {
-		callOpts.Address = []string{c.opts.Proxy}
+		callOpts.Address = []string{h.opts.Proxy}
 	}
 
 	var next selector.Next
@@ -574,7 +530,7 @@ func (c *httpClient) fnStream(ctx context.Context, req client.Request, opts ...c
 		// 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", "%+v", cerr)
+			return nil, errors.InternalServerError("go.micro.client", cerr.Error())
 		}
 
 		// only sleep if greater than 0
@@ -586,9 +542,9 @@ func (c *httpClient) fnStream(ctx context.Context, req client.Request, opts ...c
 			var routes []string
 			// lookup the route to send the reques to
 			// TODO apply any filtering here
-			routes, err = c.opts.Lookup(ctx, req, callOpts)
+			routes, err = h.opts.Lookup(ctx, req, callOpts)
 			if err != nil {
-				return nil, errors.InternalServerError("go.micro.client", "%+v", err)
+				return nil, errors.InternalServerError("go.micro.client", err.Error())
 			}
 
 			// balance the list of nodes
@@ -600,10 +556,10 @@ func (c *httpClient) fnStream(ctx context.Context, req client.Request, opts ...c
 
 		node := next()
 
-		stream, cerr := c.stream(ctx, node, req, callOpts)
+		stream, cerr := h.stream(ctx, node, req, callOpts)
 
 		// record the result of the call to inform future routing decisions
-		if verr := c.opts.Selector.Record(node, cerr); verr != nil {
+		if verr := h.opts.Selector.Record(node, cerr); verr != nil {
 			return nil, verr
 		}
 
@@ -654,22 +610,22 @@ func (c *httpClient) fnStream(ctx context.Context, req client.Request, opts ...c
 	return nil, grr
 }
 
-func (c *httpClient) String() string {
+func (h *httpClient) String() string {
 	return "http"
 }
 
-func (c *httpClient) Name() string {
+func (h *httpClient) Name() string {
-	return c.opts.Name
+	return h.opts.Name
 }
 
-func NewClient(opts ...client.Option) *httpClient {
+func NewClient(opts ...options.Option) client.Client {
 	options := client.NewOptions(opts...)
 
 	if len(options.ContentType) == 0 {
 		options.ContentType = DefaultContentType
 	}
 
-	c := &httpClient{
+	rc := &httpClient{
 		opts: options,
 	}
 
@@ -692,7 +648,7 @@ func NewClient(opts ...client.Option) *httpClient {
 	}
 
 	if httpcli, ok := options.Context.Value(httpClientKey{}).(*http.Client); ok {
-		c.httpcli = httpcli
+		rc.httpcli = httpcli
 	} else {
 		// TODO customTransport := http.DefaultTransport.(*http.Transport).Clone()
 		tr := &http.Transport{
@@ -708,11 +664,9 @@ func NewClient(opts ...client.Option) *httpClient {
 			ExpectContinueTimeout: 1 * time.Second,
 			TLSClientConfig:       options.TLSConfig,
 		}
-		c.httpcli = &http.Client{Transport: tr}
+		rc.httpcli = &http.Client{Transport: tr}
 	}
-
+	c := client.Client(rc)
-	c.funcCall = c.fnCall
-	c.funcStream = c.fnStream
 
 	return c
 }

http_test.go

@@ -1,60 +1,21 @@
 package http
 
 import (
-	"encoding/json"
-	"fmt"
 	"net/url"
 	"strings"
 	"testing"
 )
 
-func TestNestedPathPost(t *testing.T) {
+type Request struct {
-	req := &request{Name: "first", Field1: "fieldval"}
+	Name     string `json:"name"`
-	p, m, err := newPathRequest("/api/v1/xxxx", "POST", "*", req, []string{"json", "protobuf"}, nil)
+	Field1   string `json:"field1"`
-	if err != nil {
+	ClientID string
-		t.Fatal(err)
+	Field2   string
-	}
+	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",
@@ -79,7 +40,7 @@ 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)
@@ -95,7 +56,7 @@ 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)
@@ -112,9 +73,9 @@ 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}
-	s, _, err := newPathRequest("/api/v1/{xname}/list", "GET", "", req, nil, nil)
+	_, _, err := newPathRequest("/api/v1/{xname}/list", "GET", "", req, nil, nil)
 	if err == nil {
-		t.Fatalf("path param must not be filled: %s", s)
+		t.Fatal("path param must not be filled")
 	}
 }

options.go

@@ -4,8 +4,8 @@ import (
 	"net"
 	"net/http"
 
-	"go.unistack.org/micro/v4/client"
 	"go.unistack.org/micro/v4/metadata"
+	"go.unistack.org/micro/v4/options"
 )
 
 var (
@@ -29,98 +29,98 @@ var (
 type poolMaxStreams struct{}
 
 // PoolMaxStreams maximum streams on a connectioin
-func PoolMaxStreams(n int) client.Option {
+func PoolMaxStreams(n int) options.Option {
-	return client.SetOption(poolMaxStreams{}, n)
+	return options.ContextOption(poolMaxStreams{}, n)
 }
 
 type poolMaxIdle struct{}
 
 // PoolMaxIdle maximum idle conns of a pool
-func PoolMaxIdle(d int) client.Option {
+func PoolMaxIdle(d int) options.Option {
-	return client.SetOption(poolMaxIdle{}, d)
+	return options.ContextOption(poolMaxIdle{}, d)
 }
 
 type maxRecvMsgSizeKey struct{}
 
 // MaxRecvMsgSize set the maximum size of message that client can receive.
-func MaxRecvMsgSize(s int) client.Option {
+func MaxRecvMsgSize(s int) options.Option {
-	return client.SetOption(maxRecvMsgSizeKey{}, s)
+	return options.ContextOption(maxRecvMsgSizeKey{}, s)
 }
 
 type maxSendMsgSizeKey struct{}
 
 // MaxSendMsgSize set the maximum size of message that client can send.
-func MaxSendMsgSize(s int) client.Option {
+func MaxSendMsgSize(s int) options.Option {
-	return client.SetOption(maxSendMsgSizeKey{}, s)
+	return options.ContextOption(maxSendMsgSizeKey{}, s)
 }
 
 type httpClientKey struct{}
 
 // nolint: golint
 // HTTPClient pass http.Client option to client Call
-func HTTPClient(c *http.Client) client.Option {
+func HTTPClient(c *http.Client) options.Option {
-	return client.SetOption(httpClientKey{}, c)
+	return options.ContextOption(httpClientKey{}, c)
 }
 
 type httpDialerKey struct{}
 
 // nolint: golint
 // HTTPDialer pass net.Dialer option to client
-func HTTPDialer(d *net.Dialer) client.Option {
+func HTTPDialer(d *net.Dialer) options.Option {
-	return client.SetOption(httpDialerKey{}, d)
+	return options.ContextOption(httpDialerKey{}, d)
 }
 
 type methodKey struct{}
 
 // Method pass method option to client Call
-func Method(m string) client.CallOption {
+func Method(m string) options.Option {
-	return client.SetCallOption(methodKey{}, m)
+	return options.ContextOption(methodKey{}, m)
 }
 
 type pathKey struct{}
 
 // Path spcecifies path option to client Call
-func Path(p string) client.CallOption {
+func Path(p string) options.Option {
-	return client.SetCallOption(pathKey{}, p)
+	return options.ContextOption(pathKey{}, p)
 }
 
 type bodyKey struct{}
 
 // Body specifies body option to client Call
-func Body(b string) client.CallOption {
+func Body(b string) options.Option {
-	return client.SetCallOption(bodyKey{}, b)
+	return options.ContextOption(bodyKey{}, b)
 }
 
 type errorMapKey struct{}
 
-func ErrorMap(m map[string]interface{}) client.CallOption {
+func ErrorMap(m map[string]interface{}) options.Option {
-	return client.SetCallOption(errorMapKey{}, m)
+	return options.ContextOption(errorMapKey{}, m)
 }
 
 type structTagsKey struct{}
 
 // StructTags pass tags slice option to client Call
-func StructTags(tags []string) client.CallOption {
+func StructTags(tags []string) options.Option {
-	return client.SetCallOption(structTagsKey{}, tags)
+	return options.ContextOption(structTagsKey{}, tags)
 }
 
 type metadataKey struct{}
 
 // Metadata pass metadata to client Call
-func Metadata(md metadata.Metadata) client.CallOption {
+func Metadata(md metadata.Metadata) options.Option {
-	return client.SetCallOption(metadataKey{}, md)
+	return options.ContextOption(metadataKey{}, md)
 }
 
 type cookieKey struct{}
 
 // Cookie pass cookie to client Call
-func Cookie(cookies ...string) client.CallOption {
+func Cookie(cookies ...string) options.Option {
-	return client.SetCallOption(cookieKey{}, cookies)
+	return options.ContextOption(cookieKey{}, cookies)
 }
 
 type headerKey struct{}
 
 // Header pass cookie to client Call
-func Header(headers ...string) client.CallOption {
+func Header(headers ...string) options.Option {
-	return client.SetCallOption(headerKey{}, headers)
+	return options.ContextOption(headerKey{}, headers)
 }

request.go

@@ -3,6 +3,7 @@ package http
 import (
 	"go.unistack.org/micro/v4/client"
 	"go.unistack.org/micro/v4/codec"
+	"go.unistack.org/micro/v4/options"
 )
 
 type httpRequest struct {
@@ -13,7 +14,7 @@ type httpRequest struct {
 	opts        client.RequestOptions
 }
 
-func newHTTPRequest(service, method string, request interface{}, contentType string, opts ...client.RequestOption) client.Request {
+func newHTTPRequest(service, method string, request interface{}, contentType string, opts ...options.Option) client.Request {
 	options := client.NewRequestOptions(opts...)
 	if len(options.ContentType) == 0 {
 		options.ContentType = contentType

stream.go

@@ -90,7 +90,7 @@ 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", "%+v", err)
+		return errors.InternalServerError("go.micro.client", err.Error())
 	}
 	defer hrsp.Body.Close()
 
@@ -134,19 +134,19 @@ func (h *httpStream) parseRsp(ctx context.Context, log logger.Logger, hrsp *http
 			buf, err = io.ReadAll(hrsp.Body)
 			if err != nil {
 				if log.V(logger.ErrorLevel) {
-					log.Error(ctx, "failed to read body", err)
+					log.Errorf(ctx, "failed to read body: %v", err)
 				}
-				return errors.InternalServerError("go.micro.client", "%s", buf)
+				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))
+			log.Debugf(ctx, "response %s with %v", buf, hrsp.Header)
 		}
 
 		if hrsp.StatusCode < 400 {
 			if err = cf.Unmarshal(buf, rsp); err != nil {
-				return errors.InternalServerError("go.micro.client", "%+v", err)
+				return errors.InternalServerError("go.micro.client", err.Error())
 			}
 			return nil
 		}
@@ -163,7 +163,7 @@ func (h *httpStream) parseRsp(ctx context.Context, log logger.Logger, hrsp *http
 		}
 
 		if cerr := cf.Unmarshal(buf, rerr); cerr != nil {
-			return errors.InternalServerError("go.micro.client", "%+v", cerr)
+			return errors.InternalServerError("go.micro.client", cerr.Error())
 		}
 
 		if err, ok = rerr.(error); !ok {

util.go

@@ -87,8 +87,6 @@ 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() {
@@ -123,7 +121,6 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 			default:
 				t = &tag{key: tn, name: tp[0]}
 			}
-
 			if t.name != "" {
 				break
 			}
@@ -157,64 +154,19 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 			default:
 				fieldsmap[t.name] = getParam(val)
 			}
-		} else {
+		} else if (body == "*" || body == t.name) && method != http.MethodGet {
-			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 if method == http.MethodGet {
+		} else {
 			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) {
+			} else {
 				values.Add(t.name, getParam(val))
 			}
 		}
-
-		}
 	}
 
 	// check not filled stuff
@@ -265,23 +217,13 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 		_, _ = b.WriteString(values.Encode())
 	}
 
-	// rutil.ZeroEmpty(tnmsg.Interface())
+	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 /")
@@ -332,28 +274,28 @@ func (h *httpClient) parseRsp(ctx context.Context, hrsp *http.Response, rsp inte
 			buf, err = io.ReadAll(hrsp.Body)
 			if err != nil {
 				if h.opts.Logger.V(logger.ErrorLevel) {
-					h.opts.Logger.Error(ctx, "failed to read body", err)
+					h.opts.Logger.Errorf(ctx, "failed to read body: %v", err)
 				}
-				return errors.InternalServerError("go.micro.client", "%s", buf)
+				return errors.InternalServerError("go.micro.client", string(buf))
 			}
 		}
 
 		cf, cerr := h.newCodec(ct)
 		if cerr != nil {
 			if h.opts.Logger.V(logger.DebugLevel) {
-				h.opts.Logger.Debug(ctx, fmt.Sprintf("response with %v unknown content-type %s %s", hrsp.Header, ct, buf))
+				h.opts.Logger.Debugf(ctx, "response with %v unknown content-type %s %s", hrsp.Header, ct, buf)
 			}
-			return errors.InternalServerError("go.micro.client", "%+v", cerr)
+			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))
+			h.opts.Logger.Debugf(ctx, "response %s with %v", buf, hrsp.Header)
 		}
 
 		// succeseful response
 		if hrsp.StatusCode < 400 {
 			if err = cf.Unmarshal(buf, rsp); err != nil {
-				return errors.InternalServerError("go.micro.client", "%+v", err)
+				return errors.InternalServerError("go.micro.client", err.Error())
 			}
 			return nil
 		}
@@ -373,7 +315,7 @@ func (h *httpClient) parseRsp(ctx context.Context, hrsp *http.Response, rsp inte
 		}
 
 		if cerr := cf.Unmarshal(buf, rerr); cerr != nil {
-			return errors.InternalServerError("go.micro.client", "%+v", cerr)
+			return errors.InternalServerError("go.micro.client", cerr.Error())
 		}
 
 		if err, ok = rerr.(error); !ok {

util_test.go

@@ -1,7 +1,6 @@
 package http
 
 import (
-	"net/http"
 	"net/url"
 	"testing"
 )
@@ -53,49 +52,11 @@ 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) {
@@ -126,7 +87,7 @@ func TestNewPathVarRequest(t *testing.T) {
 				t.Fatalf("invalid nmsg: %#+v\n", nmsg)
 			}
 			if nmsg.(*Message).Name != "test_name" {
-				t.Fatalf("invalid path: %v nmsg: %#+v", path, nmsg)
+				t.Fatalf("invalid nmsg: %v nmsg: %v", path, nmsg)
 			}
 		} else {
 			vals := u.Query()