Merge pull request #55 from unistack-org/master

merge master

.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/renovate.json

@@ -1,20 +0,0 @@
-{
-  "extends": [
-    "config:base"
-  ],
-  "postUpdateOptions": ["gomodTidy"],
-  "packageRules": [
-    {
-      "matchUpdateTypes": ["minor", "patch", "pin", "digest"],
-      "automerge": true
-    },
-    {
-      "groupName": "all deps",
-      "separateMajorMinor": true,
-      "groupSlug": "all",
-      "packagePatterns": [
-        "*"
-      ]
-    }
-  ]
-}

.github/workflows/build.yml

@@ -3,6 +3,7 @@ on:
  push:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
@@ -13,7 +14,7 @@ jobs:
       with:
         go-version: 1.16
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
       uses: actions/cache@v2
       with:
@@ -31,12 +32,13 @@ 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@v3.1.0
+        continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
-          version: v1.39
+          version: v1.30
           # Optional: working directory, useful for monorepos
           # working-directory: somedir
           # Optional: golangci-lint command line arguments.

.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@v2
+      with:
+        go-version: 1.16
+    # Initializes the CodeQL tools for scanning.
+    - name: init
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: analyze
+      uses: github/codeql-action/analyze@v1

.github/workflows/dependabot-automerge.yml

@@ -0,0 +1,31 @@
+name: "prautomerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - name: metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.3.0
+        with:
+          github-token: "${{ secrets.TOKEN }}"
+      - name: approve
+        run: gh pr review --approve "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}
+      - name: merge
+        if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/pr.yml

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
@@ -13,7 +14,7 @@ jobs:
       with:
         go-version: 1.16
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
       uses: actions/cache@v2
       with:
@@ -31,12 +32,13 @@ 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@v3.1.0
+        continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
-          version: v1.39
+          version: v1.30
           # Optional: working directory, useful for monorepos
           # working-directory: somedir
           # Optional: golangci-lint command line arguments.

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/github.com/unistack-org/micro-client-http#Client) interface.
+It complies with the [micro.Client](https://godoc.org/go.unistack.org/micro-client-http/v3#Client) interface.
 
 ## Usage
 
 ### Use directly
 
 ```go
-import "github.com/unistack-org/micro-client-http"
+import "go.unistack.org/micro-client-http/v3"
 
 service := micro.NewService(
 	micro.Name("my.service"),

go.mod

@@ -1,5 +1,5 @@
-module github.com/unistack-org/micro-client-http/v3
+module go.unistack.org/micro-client-http/v3
 
 go 1.16
 
-require github.com/unistack-org/micro/v3 v3.3.20
+require go.unistack.org/micro/v3 v3.8.21

go.sum

@@ -1,17 +1,151 @@
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+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
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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"
@@ -15,11 +15,12 @@ import (
 	"sync"
 	"time"
 
-	"github.com/unistack-org/micro/v3/broker"
-	"github.com/unistack-org/micro/v3/client"
-	"github.com/unistack-org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/errors"
-	"github.com/unistack-org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/broker"
+	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v3/errors"
+	"go.unistack.org/micro/v3/metadata"
+	rutil "go.unistack.org/micro/v3/util/reflect"
 )
 
 var DefaultContentType = "application/json"
@@ -32,50 +33,69 @@ func filterLabel(r []router.Route) []router.Route {
 */
 
 type httpClient struct {
-	opts    client.Options
 	httpcli *http.Client
-	init    bool
+	opts    client.Options
 	sync.RWMutex
+	init bool
 }
 
-func newRequest(addr string, req client.Request, ct string, cf codec.Codec, msg interface{}, opts client.CallOptions) (*http.Request, error) {
-	hreq := &http.Request{Method: http.MethodPost}
-	body := "*" // as like google api http annotation
-
+func newRequest(ctx context.Context, addr string, req client.Request, ct string, cf codec.Codec, msg interface{}, opts client.CallOptions) (*http.Request, error) {
 	var tags []string
-	var scheme string
+	var parameters map[string]map[string]string
+	scheme := "http"
+	method := http.MethodPost
+	body := "*" // as like google api http annotation
+	host := addr
+	path := req.Endpoint()
 
 	u, err := url.Parse(addr)
-	if err != nil {
-		hreq.URL = &url.URL{
-			Scheme: "http",
-			Host:   addr,
-			Path:   req.Endpoint(),
-		}
-		hreq.Host = addr
-		scheme = "http"
+	if err == nil {
+		scheme = u.Scheme
+		path = u.Path
+		host = u.Host
+	} else {
+		u = &url.URL{Scheme: scheme, Path: path, Host: host}
 	}
 
 	// nolint: nestif
-	if scheme == "" {
-		ep := req.Endpoint()
-		if opts.Context != nil {
-			if m, ok := opts.Context.Value(methodKey{}).(string); ok {
-				hreq.Method = m
+	if opts.Context != nil {
+		if m, ok := opts.Context.Value(methodKey{}).(string); ok {
+			method = m
+		}
+		if p, ok := opts.Context.Value(pathKey{}).(string); ok {
+			path += p
+		}
+		if b, ok := opts.Context.Value(bodyKey{}).(string); ok {
+			body = b
+		}
+		if t, ok := opts.Context.Value(structTagsKey{}).([]string); ok && len(t) > 0 {
+			tags = t
+		}
+		if k, ok := opts.Context.Value(headerKey{}).([]string); ok && len(k) > 0 {
+			if parameters == nil {
+				parameters = make(map[string]map[string]string)
 			}
-			if p, ok := opts.Context.Value(pathKey{}).(string); ok {
-				ep = p
+			m, ok := parameters["header"]
+			if !ok {
+				m = make(map[string]string)
+				parameters["header"] = m
 			}
-			if b, ok := opts.Context.Value(bodyKey{}).(string); ok {
-				body = b
-			}
-			if t, ok := opts.Context.Value(structTagsKey{}).([]string); ok && len(t) > 0 {
-				tags = t
+			for idx := 0; idx < len(k)/2; idx += 2 {
+				m[k[idx]] = k[idx+1]
 			}
 		}
-		hreq.URL, err = u.Parse(ep)
-		if err != nil {
-			return nil, errors.BadRequest("go.micro.client", err.Error())
+		if k, ok := opts.Context.Value(cookieKey{}).([]string); ok && len(k) > 0 {
+			if parameters == nil {
+				parameters = make(map[string]map[string]string)
+			}
+			m, ok := parameters["cookie"]
+			if !ok {
+				m = make(map[string]string)
+				parameters["cookie"] = m
+			}
+			for idx := 0; idx < len(k)/2; idx += 2 {
+				m[k[idx]] = k[idx+1]
+			}
 		}
 	}
 
@@ -88,64 +108,127 @@ func newRequest(addr string, req client.Request, ct string, cf codec.Codec, msg
 		}
 	}
 
-	path, nmsg, err := newPathRequest(hreq.URL.Path, hreq.Method, body, msg, tags)
+	if path == "" {
+		path = req.Endpoint()
+	}
+
+	u, err = u.Parse(path)
 	if err != nil {
 		return nil, errors.BadRequest("go.micro.client", err.Error())
 	}
 
-	if scheme != "" {
-		hreq.URL, err = url.Parse(scheme + "://" + addr + path)
+	var nmsg interface{}
+	if len(u.Query()) > 0 {
+		path, nmsg, err = newPathRequest(u.Path+"?"+u.RawQuery, method, body, msg, tags, parameters)
 	} else {
-		hreq.URL, err = url.Parse(addr + path)
+		path, nmsg, err = newPathRequest(u.Path, method, body, msg, tags, parameters)
 	}
+
 	if err != nil {
 		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", err.Error())
+	}
+
+	var cookies []*http.Cookie
+	header := make(http.Header)
+	if opts.Context != nil {
+		if md, ok := opts.Context.Value(metadataKey{}).(metadata.Metadata); ok {
+			for k, v := range md {
+				header.Set(k, v)
+			}
+		}
+	}
+	if opts.AuthToken != "" {
+		header.Set(metadata.HeaderAuthorization, opts.AuthToken)
+	}
+
+	if md, ok := metadata.FromOutgoingContext(ctx); ok {
+		for k, v := range md {
+			header.Set(k, v)
+		}
+	}
+
+	// set timeout in nanoseconds
+	if opts.StreamTimeout > time.Duration(0) {
+		header.Set(metadata.HeaderTimeout, fmt.Sprintf("%d", opts.StreamTimeout))
+	}
+	if opts.RequestTimeout > time.Duration(0) {
+		header.Set(metadata.HeaderTimeout, fmt.Sprintf("%d", opts.RequestTimeout))
+	}
+
+	// set the content type for the request
+	header.Set(metadata.HeaderContentType, ct)
+	var v interface{}
+
+	for km, vm := range parameters {
+		for k, required := range vm {
+			v, err = rutil.StructFieldByPath(msg, k)
+			if err != nil {
+				return nil, errors.BadRequest("go.micro.client", err.Error())
+			}
+			if rutil.IsZero(v) {
+				if required == "true" {
+					return nil, errors.BadRequest("go.micro.client", fmt.Sprintf("required field %s not set", k))
+				}
+				continue
+			}
+
+			switch km {
+			case "header":
+				header.Set(k, fmt.Sprintf("%v", v))
+			case "cookie":
+				cookies = append(cookies, &http.Cookie{Name: k, Value: fmt.Sprintf("%v", v)})
+			}
+		}
+	}
+
 	b, err := cf.Marshal(nmsg)
 	if err != nil {
 		return nil, errors.BadRequest("go.micro.client", err.Error())
 	}
 
+	var hreq *http.Request
 	if len(b) > 0 {
-		hreq.Body = ioutil.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 {
+		hreq, err = http.NewRequestWithContext(ctx, method, u.String(), nil)
+	}
+
+	if err != nil {
+		return nil, errors.BadRequest("go.micro.client", err.Error())
+	}
+
+	hreq.Header = header
+	for _, cookie := range cookies {
+		hreq.AddCookie(cookie)
 	}
 
 	return hreq, nil
 }
 
 func (h *httpClient) call(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions) error {
-	header := make(http.Header, 2)
-	if md, ok := metadata.FromOutgoingContext(ctx); ok {
-		for k, v := range md {
-			header.Set(k, v)
-		}
-	}
-
 	ct := req.ContentType()
 	if len(opts.ContentType) > 0 {
 		ct = opts.ContentType
 	}
 
-	// set timeout in nanoseconds
-	header.Set("Timeout", fmt.Sprintf("%d", opts.RequestTimeout))
-	// set the content type for the request
-	header.Set("Content-Type", ct)
-
 	cf, err := h.newCodec(ct)
 	if err != nil {
 		return errors.InternalServerError("go.micro.client", err.Error())
 	}
-	hreq, err := newRequest(addr, req, ct, cf, req.Body(), opts)
+	hreq, err := newRequest(ctx, addr, req, ct, cf, req.Body(), opts)
 	if err != nil {
 		return err
 	}
 
-	hreq.Header = header
-
 	// make the request
-	hrsp, err := h.httpcli.Do(hreq.WithContext(ctx))
+	hrsp, err := h.httpcli.Do(hreq)
 	if err != nil {
 		switch err := err.(type) {
 		case *url.Error:
@@ -166,27 +249,10 @@ func (h *httpClient) call(ctx context.Context, addr string, req client.Request,
 }
 
 func (h *httpClient) stream(ctx context.Context, addr string, req client.Request, opts client.CallOptions) (client.Stream, error) {
-	var header http.Header
-
-	if md, ok := metadata.FromOutgoingContext(ctx); ok {
-		header = make(http.Header, len(md)+2)
-		for k, v := range md {
-			header.Set(k, v)
-		}
-	} else {
-		header = make(http.Header, 2)
-	}
-
 	ct := req.ContentType()
 	if len(opts.ContentType) > 0 {
 		ct = opts.ContentType
 	}
-	// set timeout in nanoseconds
-	if opts.StreamTimeout > time.Duration(0) {
-		header.Set("Timeout", fmt.Sprintf("%d", opts.StreamTimeout))
-	}
-	// set the content type for the request
-	header.Set("Content-Type", ct)
 
 	// get codec
 	cf, err := h.newCodec(ct)
@@ -207,7 +273,6 @@ func (h *httpClient) stream(ctx context.Context, addr string, req client.Request
 		conn:    cc,
 		ct:      ct,
 		cf:      cf,
-		header:  header,
 		reader:  bufio.NewReader(cc),
 		request: req,
 	}, nil
@@ -530,50 +595,63 @@ 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 {
+	return h.publish(ctx, p, opts...)
+}
+
 func (h *httpClient) Publish(ctx context.Context, p client.Message, opts ...client.PublishOption) error {
+	return h.publish(ctx, []client.Message{p}, opts...)
+}
+
+func (h *httpClient) publish(ctx context.Context, ps []client.Message, opts ...client.PublishOption) error {
 	options := client.NewPublishOptions(opts...)
 
-	md, ok := metadata.FromOutgoingContext(ctx)
+	// get proxy
+	exchange := ""
+	if v, ok := os.LookupEnv("MICRO_PROXY"); ok {
+		exchange = v
+	}
+
+	omd, ok := metadata.FromOutgoingContext(ctx)
 	if !ok {
-		md = metadata.New(2)
-	}
-	md["Content-Type"] = p.ContentType()
-	md["Micro-Topic"] = p.Topic()
-
-	cf, err := h.newCodec(p.ContentType())
-	if err != nil {
-		return errors.InternalServerError("go.micro.client", err.Error())
+		omd = metadata.New(2)
 	}
 
-	var body []byte
+	msgs := make([]*broker.Message, 0, len(ps))
 
-	// passed in raw data
-	if d, ok := p.Payload().(*codec.Frame); ok {
-		body = d.Data
-	} else {
-		b := bytes.NewBuffer(nil)
-		if err := cf.Write(b, &codec.Message{Type: codec.Event}, p.Payload()); err != nil {
+	for _, p := range ps {
+		md := metadata.Copy(omd)
+		md[metadata.HeaderContentType] = p.ContentType()
+		md[metadata.HeaderTopic] = p.Topic()
+
+		cf, err := h.newCodec(p.ContentType())
+		if err != nil {
 			return errors.InternalServerError("go.micro.client", err.Error())
 		}
-		body = b.Bytes()
+
+		var body []byte
+
+		// passed in raw data
+		if d, ok := p.Payload().(*codec.Frame); ok {
+			body = d.Data
+		} else {
+			b := bytes.NewBuffer(nil)
+			if err := cf.Write(b, &codec.Message{Type: codec.Event}, p.Payload()); err != nil {
+				return errors.InternalServerError("go.micro.client", err.Error())
+			}
+			body = b.Bytes()
+		}
+
+		topic := p.Topic()
+		if len(exchange) > 0 {
+			topic = exchange
+		}
+
+		md.Set(metadata.HeaderTopic, topic)
+		msgs = append(msgs, &broker.Message{Header: md, Body: body})
 	}
 
-	topic := p.Topic()
-
-	// get proxy
-	if prx := os.Getenv("MICRO_PROXY"); len(prx) > 0 {
-		options.Exchange = prx
-	}
-
-	// get the exchange
-	if len(options.Exchange) > 0 {
-		topic = options.Exchange
-	}
-
-	return h.opts.Broker.Publish(ctx, topic, &broker.Message{
-		Header: md,
-		Body:   body,
-	},
+	return h.opts.Broker.BatchPublish(ctx, msgs,
 		broker.PublishContext(ctx),
 		broker.PublishBodyOnly(options.BodyOnly),
 	)

http_test.go

@@ -7,15 +7,57 @@ import (
 )
 
 type Request struct {
-	Name   string `json:"name"`
-	Field1 string
-	Field2 string
-	Field3 int64
+	Name     string `json:"name"`
+	Field1   string `json:"field1"`
+	ClientID string
+	Field2   string
+	Field3   int64
+}
+
+func TestPathWithHeader(t *testing.T) {
+	req := &Request{Name: "vtolstov", Field1: "field1", ClientID: "1234567890"}
+	p, m, err := newPathRequest(
+		"/api/v1/test?Name={name}&Field1={field1}",
+		"POST",
+		"*",
+		req,
+		nil,
+		map[string]map[string]string{"header": {"ClientID": "true"}},
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+	u, err := url.Parse(p)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if m != nil {
+		t.Fatal("new struct must be nil")
+	}
+	if u.Query().Get("Name") != "vtolstov" || u.Query().Get("Field1") != "field1" {
+		t.Fatalf("invalid values %v", u.Query())
+	}
+}
+
+func TestPathValues(t *testing.T) {
+	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)
+	}
+	u, err := url.Parse(p)
+	if err != nil {
+		t.Fatal(err)
+	}
+	_ = m
+	if u.Query().Get("Name") != "vtolstov" || u.Query().Get("Field1") != "field1" {
+		t.Fatalf("invalid values %v", u.Query())
+	}
 }
 
 func TestValidPath(t *testing.T) {
 	req := &Request{Name: "vtolstov", Field1: "field1", Field2: "field2", Field3: 10}
-	p, m, err := newPathRequest("/api/v1/{name}/list", "GET", "", req, nil)
+	p, m, err := newPathRequest("/api/v1/{name}/list", "GET", "", req, nil, nil)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -32,9 +74,8 @@ func TestValidPath(t *testing.T) {
 
 func TestInvalidPath(t *testing.T) {
 	req := &Request{Name: "vtolstov", Field1: "field1", Field2: "field2", Field3: 10}
-	p, m, err := newPathRequest("/api/v1/{xname}/list", "GET", "", req, nil)
+	_, _, err := newPathRequest("/api/v1/{xname}/list", "GET", "", req, nil, nil)
 	if err == nil {
-		t.Fatalf("path param must not be filled")
+		t.Fatal("path param must not be filled")
 	}
-	_, _ = p, m
 }

message.go

@@ -1,25 +1,29 @@
 package http
 
 import (
-	"github.com/unistack-org/micro/v3/client"
+	"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
+}

options.go

@@ -4,7 +4,8 @@ import (
 	"net"
 	"net/http"
 
-	"github.com/unistack-org/micro/v3/client"
+	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/metadata"
 )
 
 var (
@@ -56,6 +57,7 @@ func MaxSendMsgSize(s int) client.Option {
 type httpClientKey struct{}
 
 // nolint: golint
+// HTTPClient pass http.Client option to client Call
 func HTTPClient(c *http.Client) client.Option {
 	return client.SetOption(httpClientKey{}, c)
 }
@@ -63,24 +65,28 @@ func HTTPClient(c *http.Client) client.Option {
 type httpDialerKey struct{}
 
 // nolint: golint
+// HTTPDialer pass net.Dialer option to client
 func HTTPDialer(d *net.Dialer) client.Option {
 	return client.SetOption(httpDialerKey{}, d)
 }
 
 type methodKey struct{}
 
+// Method pass method option to client Call
 func Method(m string) client.CallOption {
 	return client.SetCallOption(methodKey{}, m)
 }
 
 type pathKey struct{}
 
+// Path spcecifies path option to client Call
 func Path(p string) client.CallOption {
 	return client.SetCallOption(pathKey{}, p)
 }
 
 type bodyKey struct{}
 
+// Body specifies body option to client Call
 func Body(b string) client.CallOption {
 	return client.SetCallOption(bodyKey{}, b)
 }
@@ -93,6 +99,28 @@ func ErrorMap(m map[string]interface{}) client.CallOption {
 
 type structTagsKey struct{}
 
+// StructTags pass tags slice option to client Call
 func StructTags(tags []string) client.CallOption {
 	return client.SetCallOption(structTagsKey{}, tags)
 }
+
+type metadataKey struct{}
+
+// Metadata pass metadata to client Call
+func Metadata(md metadata.Metadata) client.CallOption {
+	return client.SetCallOption(metadataKey{}, md)
+}
+
+type cookieKey struct{}
+
+// Cookie pass cookie to client Call
+func Cookie(cookies ...string) client.CallOption {
+	return client.SetCallOption(cookieKey{}, cookies)
+}
+
+type headerKey struct{}
+
+// Header pass cookie to client Call
+func Header(headers ...string) client.CallOption {
+	return client.SetCallOption(headerKey{}, headers)
+}

request.go

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

stream.go

@@ -9,9 +9,9 @@ import (
 	"net/http"
 	"sync"
 
-	"github.com/unistack-org/micro/v3/client"
-	"github.com/unistack-org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/errors"
+	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v3/errors"
 )
 
 // Implements the streamer interface
@@ -21,7 +21,6 @@ type httpStream struct {
 	cf      codec.Codec
 	context context.Context
 	request client.Request
-	header  http.Header
 	closed  chan bool
 	reader  *bufio.Reader
 	address string
@@ -53,6 +52,10 @@ 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()
@@ -62,16 +65,18 @@ func (h *httpStream) Send(msg interface{}) error {
 		return errShutdown
 	}
 
-	hreq, err := newRequest(h.address, h.request, h.ct, h.cf, msg, h.opts)
+	hreq, err := newRequest(h.context, h.address, h.request, h.ct, h.cf, msg, h.opts)
 	if err != nil {
 		return err
 	}
 
-	hreq.Header = h.header
-
 	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()
@@ -96,6 +101,10 @@ 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:

util.go

@@ -10,32 +10,62 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/unistack-org/micro/v3/client"
-	"github.com/unistack-org/micro/v3/errors"
-	rutil "github.com/unistack-org/micro/v3/util/reflect"
-	util "github.com/unistack-org/micro/v3/util/router"
+	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/errors"
+	"go.unistack.org/micro/v3/logger"
+	rutil "go.unistack.org/micro/v3/util/reflect"
 )
 
 var (
-	templateCache = make(map[string]util.Template)
+	templateCache = make(map[string][]string)
 	mu            sync.RWMutex
 )
 
-func newPathRequest(path string, method string, body string, msg interface{}, tags []string) (string, interface{}, error) {
+// Error struct holds error
+type Error struct {
+	err interface{}
+}
+
+// Error func for error interface
+func (err *Error) Error() string {
+	return fmt.Sprintf("%v", err.err)
+}
+
+func GetError(err error) interface{} {
+	if rerr, ok := err.(*Error); ok {
+		return rerr.err
+	}
+	return err
+}
+
+func newPathRequest(path string, method string, body string, msg interface{}, tags []string, parameters map[string]map[string]string) (string, interface{}, error) {
 	// parse via https://github.com/googleapis/googleapis/blob/master/google/api/http.proto definition
 	tpl, err := newTemplate(path)
 	if err != nil {
 		return "", nil, err
 	}
 
-	if len(tpl.Fields) > 0 && msg == nil {
+	if len(tpl) > 0 && msg == nil {
 		return "", nil, fmt.Errorf("nil message but path params requested: %v", path)
 	}
 
 	fieldsmapskip := make(map[string]struct{})
-	fieldsmap := make(map[string]string, len(tpl.Fields))
-	for _, v := range tpl.Fields {
-		fieldsmap[v] = ""
+	fieldsmap := make(map[string]string, len(tpl))
+	for _, v := range tpl {
+		var vs, ve int
+		for i := 0; i < len(v); i++ {
+			switch v[i] {
+			case '{':
+				vs = i + 1
+			case '}':
+				ve = i
+			}
+			if ve != 0 {
+				fieldsmap[v[vs:ve]] = ""
+				vs = 0
+				ve = 0
+			}
+		}
 	}
 
 	nmsg, err := rutil.Zero(msg)
@@ -62,6 +92,9 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 			continue
 		}
 		fld := tmsg.Type().Field(i)
+		if !fld.IsExported() {
+			continue
+		}
 
 		t := &tag{}
 		for _, tn := range tags {
@@ -87,16 +120,24 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 			}
 		}
 
-		if t.name == "" {
+		cname := t.name
+		if cname == "" {
+			cname = fld.Name
 			// fallback to lowercase
 			t.name = strings.ToLower(fld.Name)
 		}
+		if _, ok := parameters["header"][cname]; ok {
+			continue
+		}
+		if _, ok := parameters["cookie"][cname]; ok {
+			continue
+		}
 
 		if !val.IsValid() || val.IsZero() {
 			continue
 		}
 
-		// nolint: gocritic
+		// nolint: gocritic, nestif
 		if _, ok := fieldsmap[t.name]; ok {
 			switch val.Type().Kind() {
 			case reflect.Slice:
@@ -108,7 +149,9 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 				fieldsmap[t.name] = fmt.Sprintf("%v", val.Interface())
 			}
 		} else if (body == "*" || body == t.name) && method != http.MethodGet {
-			tnmsg.Field(i).Set(val)
+			if tnmsg.Field(i).CanSet() {
+				tnmsg.Field(i).Set(val)
+			}
 		} else {
 			if val.Type().Kind() == reflect.Slice {
 				for idx := 0; idx < val.Len(); idx++ {
@@ -129,13 +172,36 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 	}
 
 	var b strings.Builder
-	for _, fld := range tpl.Pool {
+
+	for _, fld := range tpl {
 		_, _ = b.WriteRune('/')
-		if v, ok := fieldsmap[fld]; ok {
-			if v != "" {
-				_, _ = b.WriteString(v)
+		// nolint: nestif
+		var vs, ve, vf int
+		var pholder bool
+		for i := 0; i < len(fld); i++ {
+			switch fld[i] {
+			case '{':
+				vs = i + 1
+			case '}':
+				ve = i
 			}
-		} else {
+			// nolint: nestif
+			if vs > 0 && ve != 0 {
+				if vm, ok := fieldsmap[fld[vs:ve]]; ok {
+					if vm != "" {
+						_, _ = b.WriteString(fld[vf : vs-1])
+						_, _ = b.WriteString(vm)
+						vf = ve + 1
+					}
+				} else {
+					_, _ = b.WriteString(fld)
+				}
+				vs = 0
+				ve = 0
+				pholder = true
+			}
+		}
+		if !pholder {
 			_, _ = b.WriteString(fld)
 		}
 	}
@@ -145,6 +211,12 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 		_, _ = b.WriteString(values.Encode())
 	}
 
+	/*
+		if err = rutil.ZeroFieldByPath(nmsg, k); err != nil {
+			return nil, errors.BadRequest("go.micro.client", err.Error())
+		}
+	*/
+
 	if rutil.IsZero(nmsg) {
 		return b.String(), nil, nil
 	}
@@ -152,7 +224,10 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 	return b.String(), nmsg, nil
 }
 
-func newTemplate(path string) (util.Template, error) {
+func newTemplate(path string) ([]string, error) {
+	if len(path) == 0 || path[0] != '/' {
+		return nil, fmt.Errorf("path must starts with /")
+	}
 	mu.RLock()
 	tpl, ok := templateCache[path]
 	if ok {
@@ -161,12 +236,7 @@ func newTemplate(path string) (util.Template, error) {
 	}
 	mu.RUnlock()
 
-	rule, err := util.Parse(path)
-	if err != nil {
-		return tpl, err
-	}
-
-	tpl = rule.Compile()
+	tpl = strings.Split(path[1:], "/")
 	mu.Lock()
 	templateCache[path] = tpl
 	mu.Unlock()
@@ -185,7 +255,6 @@ func (h *httpClient) parseRsp(ctx context.Context, hrsp *http.Response, rsp inte
 		if hrsp.StatusCode == http.StatusNoContent {
 			return nil
 		}
-
 		ct := DefaultContentType
 
 		if htype := hrsp.Header.Get("Content-Type"); htype != "" {
@@ -193,10 +262,21 @@ func (h *httpClient) parseRsp(ctx context.Context, hrsp *http.Response, rsp inte
 		}
 
 		cf, cerr := h.newCodec(ct)
-		if cerr != nil {
+		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) {
+					h.opts.Logger.Errorf(ctx, "failed to read body: %v", err)
+				}
+			}
+			// response like text/plain or something else, return original error
+			return errors.New("go.micro.client", string(buf), int32(hrsp.StatusCode))
+		} else if cerr != nil {
 			return errors.InternalServerError("go.micro.client", cerr.Error())
 		}
 
+		// succeseful response
 		if hrsp.StatusCode < 400 {
 			if err = cf.ReadBody(hrsp.Body, rsp); err != nil {
 				return errors.InternalServerError("go.micro.client", err.Error())
@@ -204,13 +284,17 @@ func (h *httpClient) parseRsp(ctx context.Context, hrsp *http.Response, rsp inte
 			return nil
 		}
 
+		// response with error
+		var rerr interface{}
 		errmap, ok := opts.Context.Value(errorMapKey{}).(map[string]interface{})
 		if ok && errmap != nil {
-			if err, ok = errmap[fmt.Sprintf("%d", hrsp.StatusCode)].(error); !ok {
-				err, ok = errmap["default"].(error)
+			rerr, ok = errmap[fmt.Sprintf("%d", hrsp.StatusCode)]
+			if !ok {
+				rerr, ok = errmap["default"]
 			}
 		}
-		if !ok || err == nil {
+
+		if !ok || rerr == nil {
 			buf, rerr := io.ReadAll(hrsp.Body)
 			if rerr != nil {
 				return errors.InternalServerError("go.micro.client", rerr.Error())
@@ -218,9 +302,14 @@ func (h *httpClient) parseRsp(ctx context.Context, hrsp *http.Response, rsp inte
 			return errors.New("go.micro.client", string(buf), int32(hrsp.StatusCode))
 		}
 
-		if cerr := cf.ReadBody(hrsp.Body, err); cerr != nil {
-			err = errors.InternalServerError("go.micro.client", cerr.Error())
+		if cerr := cf.ReadBody(hrsp.Body, rerr); cerr != nil {
+			return errors.InternalServerError("go.micro.client", cerr.Error())
 		}
+
+		if err, ok = rerr.(error); !ok {
+			err = &Error{rerr}
+		}
+
 	}
 
 	return err

util_test.go

@@ -5,13 +5,31 @@ import (
 	"testing"
 )
 
-func TestTemplate(t *testing.T) {
-	tpl, err := newTemplate("/v1/{ClientID}/list")
-	if err != nil {
-		t.Fatal(err)
+func TestParsing(t *testing.T) {
+	type Message struct {
+		IIN string `protobuf:"bytes,1,opt,name=iin,proto3" json:"iin"`
+	}
+
+	omsg := &Message{IIN: "5555"}
+
+	for _, m := range []string{"POST"} {
+		body := ""
+		path, nmsg, err := newPathRequest("/users/iin/{iin}/push-notifications", m, body, omsg, []string{"protobuf", "json"}, nil)
+		if err != nil {
+			t.Fatal(err)
+		}
+		u, err := url.Parse(path)
+		if err != nil {
+			t.Fatal(err)
+		}
+		_ = nmsg
+		if u.Path != "/users/iin/5555/push-notifications" {
+			t.Fatalf("newPathRequest invalid path %s", u.Path)
+		}
+		if nmsg != nil {
+			t.Fatalf("new message must be nil: %v\n", nmsg)
+		}
 	}
-	_ = tpl
-	//	fmt.Printf("%#+v\n", tpl.Pool)
 }
 
 func TestNewPathRequest(t *testing.T) {
@@ -26,7 +44,7 @@ func TestNewPathRequest(t *testing.T) {
 
 	for _, m := range []string{"POST", "PUT", "PATCH", "GET", "DELETE"} {
 		body := ""
-		path, nmsg, err := newPathRequest("/v1/test", m, body, omsg, []string{"protobuf", "json"})
+		path, nmsg, err := newPathRequest("/v1/test", m, body, omsg, []string{"protobuf", "json"}, nil)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -56,7 +74,7 @@ func TestNewPathVarRequest(t *testing.T) {
 		if m != "GET" {
 			body = "*"
 		}
-		path, nmsg, err := newPathRequest("/v1/test/{val1}", m, body, omsg, []string{"protobuf", "json"})
+		path, nmsg, err := newPathRequest("/v1/test/{val1}", m, body, omsg, []string{"protobuf", "json"}, nil)
 		if err != nil {
 			t.Fatal(err)
 		}