fix field setting

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

.github/stale.sh

@@ -1,13 +0,0 @@
-#!/bin/bash -ex
-
-export PATH=$PATH:$(pwd)/bin
-export GO111MODULE=on
-export GOBIN=$(pwd)/bin
-
-#go get github.com/rvflash/goup@v0.4.1
-
-#goup -v ./...
-#go get github.com/psampaz/go-mod-outdated@v0.6.0
-go list -u -m -mod=mod -json all | go-mod-outdated -update -direct -ci || true
-
-#go list -u -m -json all | go-mod-outdated -update

.github/workflows/build.yml

@@ -34,10 +34,9 @@ jobs:
         uses: actions/checkout@v2
       - name: lint
         uses: golangci/golangci-lint-action@v2
-        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
+          version: v1.39
           # Optional: working directory, useful for monorepos
           # working-directory: somedir
           # Optional: golangci-lint command line arguments.

.github/workflows/pr.yml

@@ -34,10 +34,9 @@ jobs:
         uses: actions/checkout@v2
       - name: lint
         uses: golangci/golangci-lint-action@v2
-        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
+          version: v1.39
           # Optional: working directory, useful for monorepos
           # working-directory: somedir
           # Optional: golangci-lint command line arguments.

.golangci.yml

@@ -0,0 +1,44 @@
+run:
+  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

go.mod

@@ -2,4 +2,4 @@ module github.com/unistack-org/micro-client-http/v3
 
 go 1.16
 
-require github.com/unistack-org/micro/v3 v3.3.0
+require github.com/unistack-org/micro/v3 v3.4.8

go.sum

@@ -5,13 +5,13 @@ github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
 github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
 github.com/silas/dag v0.0.0-20210121180416-41cf55125c34/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
-github.com/unistack-org/micro/v3 v3.3.0 h1:pEj/8QVFzMlNMEL//q/Te8qgG+XI6LTYIQrb6hMymgk=
+github.com/unistack-org/micro/v3 v3.4.8 h1:9+qGlNHgChC3aMuFrtTFUtG55PEAjneSvplg7phwoCI=
-github.com/unistack-org/micro/v3 v3.3.0/go.mod h1:iJwCWq2PECMxigfqe6TPC5GLWvj6P94Kk+PTVZGL3w8=
+github.com/unistack-org/micro/v3 v3.4.8/go.mod h1:LXmPfbJnJNvL0kQs8HfnkV3Wya2Wb+C7keVq++RCZnk=
-golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLdyRGr576XBO4/greRjx4P4O3yc=
+golang.org/x/net v0.0.0-20210510120150-4163338589ed/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210315160823-c6e025ad8005/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

http.go

@@ -11,6 +11,8 @@ import (
 	"net/http"
 	"net/url"
 	"os"
+	"strings"
+	"sync"
 	"time"
 
 	"github.com/unistack-org/micro/v3/broker"
@@ -18,60 +20,53 @@ import (
 	"github.com/unistack-org/micro/v3/codec"
 	"github.com/unistack-org/micro/v3/errors"
 	"github.com/unistack-org/micro/v3/metadata"
-	"github.com/unistack-org/micro/v3/router"
 )
 
-var (
+var DefaultContentType = "application/json"
-	DefaultContentType = "application/json"
-)
 
+/*
 func filterLabel(r []router.Route) []router.Route {
 	//				selector.FilterLabel("protocol", "http")
 	return r
 }
+*/
 
 type httpClient struct {
-	opts    client.Options
-	dialer  *net.Dialer
 	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) {
+func newRequest(ctx context.Context, 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
-
 	var tags []string
-	var scheme string
+	scheme := "http"
-	u, err := url.Parse(addr)
+	method := http.MethodPost
-	if err != nil {
+	body := "*" // as like google api http annotation
-		hreq.URL = &url.URL{
+	host := addr
-			Scheme: "http",
+	path := req.Endpoint()
-			Host:   addr,
-			Path:   req.Endpoint(),
-		}
-		hreq.Host = addr
-		scheme = "http"
-	} else {
-		ep := req.Endpoint()
-		if opts.Context != nil {
-			if m, ok := opts.Context.Value(methodKey{}).(string); ok {
-				hreq.Method = m
-			}
-			if p, ok := opts.Context.Value(pathKey{}).(string); ok {
-				ep = 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
-			}
 
+	u, err := url.Parse(addr)
+	if err == nil {
+		scheme = u.Scheme
+		path = u.Path
+		host = u.Host
+	} else {
+		u = &url.URL{Scheme: scheme, Path: path, Host: host}
+	}
+
+	if opts.Context != nil {
+		if m, ok := opts.Context.Value(methodKey{}).(string); ok {
+			method = m
 		}
-		hreq.URL, err = u.Parse(ep)
+		if p, ok := opts.Context.Value(pathKey{}).(string); ok {
-		if err != nil {
+			path += p
-			return nil, errors.BadRequest("go.micro.client", err.Error())
+		}
+		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
 		}
 	}
 
@@ -84,113 +79,125 @@ 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 == "" {
-	if err != nil {
+		path = req.Endpoint()
-		return nil, errors.BadRequest("go.micro.client", err.Error())
 	}
 
-	if scheme != "" {
+	u, err = u.Parse(path)
-		hreq.URL, err = url.Parse(scheme + "://" + addr + path)
-	} else {
-		hreq.URL, err = url.Parse(addr + path)
-	}
 	if err != nil {
-		return nil, errors.BadRequest("go.micro.client", err.Error())
+		return nil, errors.BadRequest("go.micro.client_v", err.Error())
 	}
 
-	// marshal request is struct not empty
+	path, nmsg, err := newPathRequest(u.Path, method, body, msg, tags)
-	if nmsg != nil {
+	if err != nil {
-		var b []byte
+		return nil, errors.BadRequest("go.micro.client_a", err.Error())
-		b, err = cf.Marshal(nmsg)
+	}
-		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 {
-		hreq.Body = ioutil.NopCloser(bytes.NewBuffer(b))
+		return nil, errors.BadRequest("go.micro.client_t", err.Error())
+	}
+
+	b, err := cf.Marshal(nmsg)
+	if err != nil {
+		return nil, errors.BadRequest("go.micro.client_e", err.Error())
+	}
+
+	var hreq *http.Request
+	if len(b) > 0 {
+		hreq, err = http.NewRequestWithContext(ctx, method, u.String(), ioutil.NopCloser(bytes.NewBuffer(b)))
 		hreq.ContentLength = int64(len(b))
+	} else {
+		hreq, err = http.NewRequestWithContext(ctx, method, u.String(), nil)
 	}
 
+	if err != nil {
+		return nil, errors.BadRequest("go.micro.client_k", err.Error())
+	}
+
+	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 != "" {
+		hreq.Header.Set("Authorization", opts.AuthToken)
+	}
+
+	if md, ok := metadata.FromOutgoingContext(ctx); ok {
+		for k, v := range md {
+			hreq.Header.Set(k, v)
+		}
+	}
+
+	// set timeout in nanoseconds
+	if opts.StreamTimeout > time.Duration(0) {
+		hreq.Header.Set("Timeout", fmt.Sprintf("%d", opts.StreamTimeout))
+	}
+	if opts.RequestTimeout > time.Duration(0) {
+		hreq.Header.Set("Timeout", fmt.Sprintf("%d", opts.RequestTimeout))
+	}
+
+	// set the content type for the request
+	hreq.Header.Set("Content-Type", ct)
+
 	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)
+	ct := req.ContentType()
-	if md, ok := metadata.FromContext(ctx); ok {
+	if len(opts.ContentType) > 0 {
-		for k, v := range md {
+		ct = opts.ContentType
-			header.Set(k, v)
-		}
 	}
 
-	ct := req.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)
-
-	// get codec
 	cf, err := h.newCodec(ct)
 	if err != nil {
 		return errors.InternalServerError("go.micro.client", err.Error())
 	}
-
+	hreq, err := newRequest(ctx, addr, req, ct, cf, req.Body(), opts)
-	hreq, err := newRequest(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 net.Error:
-			if err.Timeout() {
-				return errors.Timeout("go.micro.client", err.Error())
-			}
 		case *url.Error:
 			if err, ok := err.Err.(net.Error); ok && err.Timeout() {
 				return errors.Timeout("go.micro.client", err.Error())
 			}
+		case net.Error:
+			if err.Timeout() {
+				return errors.Timeout("go.micro.client", err.Error())
+			}
 		}
 		return errors.InternalServerError("go.micro.client", err.Error())
 	}
 
 	defer hrsp.Body.Close()
 
-	return parseRsp(ctx, hrsp, cf, rsp, opts)
+	return h.parseRsp(ctx, hrsp, rsp, opts)
 }
 
 func (h *httpClient) stream(ctx context.Context, addr string, req client.Request, opts client.CallOptions) (client.Stream, error) {
-	var header http.Header
+	ct := req.ContentType()
-
+	if len(opts.ContentType) > 0 {
-	if md, ok := metadata.FromContext(ctx); ok {
+		ct = opts.ContentType
-		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()
-	// set timeout in nanoseconds
-	header.Set("Timeout", fmt.Sprintf("%d", opts.RequestTimeout))
-	// set the content type for the request
-	header.Set("Content-Type", ct)
-
 	// get codec
-	cf, err := h.newCodec(req.ContentType())
+	cf, err := h.newCodec(ct)
 	if err != nil {
 		return nil, errors.InternalServerError("go.micro.client", err.Error())
 	}
 
-	dialAddr := addr
+	cc, err := (h.httpcli.Transport).(*http.Transport).DialContext(ctx, "tcp", addr)
-	u, err := url.Parse(dialAddr)
-	if err == nil && u.Scheme != "" && u.Host != "" {
-		dialAddr = u.Host
-	}
-	cc, err := h.dialer.DialContext(ctx, "tcp", addr)
 	if err != nil {
 		return nil, errors.InternalServerError("go.micro.client", fmt.Sprintf("Error dialing: %v", err))
 	}
@@ -203,13 +210,19 @@ 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
 }
 
 func (h *httpClient) newCodec(ct string) (codec.Codec, error) {
+	h.RLock()
+	defer h.RUnlock()
+
+	if idx := strings.IndexRune(ct, ';'); idx >= 0 {
+		ct = ct[:idx]
+	}
+
 	if c, ok := h.opts.Codecs[ct]; ok {
 		return c, nil
 	}
@@ -255,8 +268,8 @@ func (h *httpClient) NewMessage(topic string, msg interface{}, opts ...client.Me
 	return newHTTPMessage(topic, msg, h.opts.ContentType, opts...)
 }
 
-func (h *httpClient) NewRequest(service, method string, req interface{}, reqOpts ...client.RequestOption) client.Request {
+func (h *httpClient) NewRequest(service, method string, req interface{}, opts ...client.RequestOption) client.Request {
-	return newHTTPRequest(service, method, req, h.opts.ContentType, reqOpts...)
+	return newHTTPRequest(service, method, req, h.opts.ContentType, opts...)
 }
 
 func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
@@ -276,7 +289,7 @@ func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface
 	} else {
 		// got a deadline so no need to setup context
 		// but we need to set the timeout we pass along
-		opt := client.WithRequestTimeout(d.Sub(time.Now()))
+		opt := client.WithRequestTimeout(time.Until(d))
 		opt(&callOpts)
 	}
 
@@ -389,22 +402,22 @@ func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface
 func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...client.CallOption) (client.Stream, error) {
 	// make a copy of call opts
 	callOpts := h.opts.CallOptions
-	for _, opt := range opts {
+	for _, o := range opts {
-		opt(&callOpts)
+		o(&callOpts)
 	}
 
 	// check if we already have a deadline
 	d, ok := ctx.Deadline()
-	if !ok {
+	if !ok && callOpts.StreamTimeout > time.Duration(0) {
 		var cancel context.CancelFunc
 		// no deadline so we create a new one
-		ctx, cancel = context.WithTimeout(ctx, callOpts.RequestTimeout)
+		ctx, cancel = context.WithTimeout(ctx, callOpts.StreamTimeout)
 		defer cancel()
 	} else {
 		// got a deadline so no need to setup context
 		// but we need to set the timeout we pass along
-		opt := client.WithRequestTimeout(d.Sub(time.Now()))
+		o := client.WithStreamTimeout(time.Until(d))
-		opt(&callOpts)
+		o(&callOpts)
 	}
 
 	// should we noop right here?
@@ -416,10 +429,7 @@ func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...cli
 
 	/*
 		// make copy of call method
-		hstream, err := h.stream()
+		hstream := h.stream
-		if err != nil {
-			return nil, err
-		}
 		// wrap the call in reverse
 		for i := len(callOpts.CallWrappers); i > 0; i-- {
 			hstream = callOpts.CallWrappers[i-1](hstream)
@@ -456,9 +466,9 @@ func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...cli
 
 	call := func(i int) (client.Stream, error) {
 		// call backoff first. Someone may want an initial start delay
-		t, err := callOpts.Backoff(ctx, req, i)
+		t, cerr := callOpts.Backoff(ctx, req, i)
-		if err != nil {
+		if cerr != nil {
-			return nil, errors.InternalServerError("go.micro.client", err.Error())
+			return nil, errors.InternalServerError("go.micro.client", cerr.Error())
 		}
 
 		// only sleep if greater than 0
@@ -468,19 +478,19 @@ func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...cli
 
 		node := next()
 
-		stream, err := h.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 := h.opts.Selector.Record(node, err); verr != nil {
+		if verr := h.opts.Selector.Record(node, cerr); verr != nil {
 			return nil, verr
 		}
 
 		// try and transform the error to a go-micro error
-		if verr, ok := err.(*errors.Error); ok {
+		if verr, ok := cerr.(*errors.Error); ok {
 			return nil, verr
 		}
 
-		return stream, err
+		return stream, cerr
 	}
 
 	type response struct {
@@ -493,8 +503,8 @@ func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...cli
 
 	for i := 0; i <= callOpts.Retries; i++ {
 		go func() {
-			s, err := call(i)
+			s, cerr := call(i)
-			ch <- response{s, err}
+			ch <- response{s, cerr}
 		}()
 
 		select {
@@ -525,7 +535,7 @@ func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...cli
 func (h *httpClient) Publish(ctx context.Context, p client.Message, opts ...client.PublishOption) error {
 	options := client.NewPublishOptions(opts...)
 
-	md, ok := metadata.FromContext(ctx)
+	md, ok := metadata.FromOutgoingContext(ctx)
 	if !ok {
 		md = metadata.New(2)
 	}
@@ -565,7 +575,10 @@ func (h *httpClient) Publish(ctx context.Context, p client.Message, opts ...clie
 	return h.opts.Broker.Publish(ctx, topic, &broker.Message{
 		Header: md,
 		Body:   body,
-	}, broker.PublishContext(ctx))
+	},
+		broker.PublishContext(ctx),
+		broker.PublishBodyOnly(options.BodyOnly),
+	)
 }
 
 func (h *httpClient) String() string {
@@ -587,17 +600,31 @@ func NewClient(opts ...client.Option) client.Client {
 		opts: options,
 	}
 
+	dialer, ok := options.Context.Value(httpDialerKey{}).(*net.Dialer)
+	if !ok {
+		dialer = &net.Dialer{
+			Timeout:   30 * time.Second,
+			KeepAlive: 30 * time.Second,
+		}
+	}
+
 	if httpcli, ok := options.Context.Value(httpClientKey{}).(*http.Client); ok {
 		rc.httpcli = httpcli
 	} else {
-		rc.httpcli = http.DefaultClient
+		// TODO customTransport := http.DefaultTransport.(*http.Transport).Clone()
+		tr := &http.Transport{
+			Proxy:                 http.ProxyFromEnvironment,
+			DialContext:           dialer.DialContext,
+			ForceAttemptHTTP2:     true,
+			MaxConnsPerHost:       100,
+			MaxIdleConns:          20,
+			IdleConnTimeout:       60 * time.Second,
+			TLSHandshakeTimeout:   10 * time.Second,
+			ExpectContinueTimeout: 1 * time.Second,
+			TLSClientConfig:       options.TLSConfig,
+		}
+		rc.httpcli = &http.Client{Transport: tr}
 	}
-	if dialer, ok := options.Context.Value(httpDialerKey{}).(*net.Dialer); ok {
-		rc.dialer = dialer
-	} else {
-		rc.dialer = &net.Dialer{}
-	}
-
 	c := client.Client(rc)
 
 	// wrap in reverse

message.go

@@ -5,9 +5,9 @@ import (
 )
 
 type httpMessage struct {
+	payload     interface{}
 	topic       string
 	contentType string
-	payload     interface{}
 }
 
 func newHTTPMessage(topic string, payload interface{}, contentType string, opts ...client.MessageOption) client.Message {

options.go

@@ -1,11 +1,11 @@
 package http
 
 import (
-	"crypto/tls"
 	"net"
 	"net/http"
 
 	"github.com/unistack-org/micro/v3/client"
+	"github.com/unistack-org/micro/v3/metadata"
 )
 
 var (
@@ -27,34 +27,28 @@ var (
 )
 
 type poolMaxStreams struct{}
-type poolMaxIdle struct{}
-type codecsKey struct{}
-type tlsAuth struct{}
-type maxRecvMsgSizeKey struct{}
-type maxSendMsgSizeKey struct{}
 
-// maximum streams on a connectioin
+// PoolMaxStreams maximum streams on a connectioin
 func PoolMaxStreams(n int) client.Option {
 	return client.SetOption(poolMaxStreams{}, n)
 }
 
-// maximum idle conns of a pool
+type poolMaxIdle struct{}
+
+// PoolMaxIdle maximum idle conns of a pool
 func PoolMaxIdle(d int) client.Option {
 	return client.SetOption(poolMaxIdle{}, d)
 }
 
-// AuthTLS should be used to setup a secure authentication using TLS
+type maxRecvMsgSizeKey struct{}
-func AuthTLS(t *tls.Config) client.Option {
-	return client.SetOption(tlsAuth{}, t)
-}
 
-//
 // MaxRecvMsgSize set the maximum size of message that client can receive.
 func MaxRecvMsgSize(s int) client.Option {
 	return client.SetOption(maxRecvMsgSizeKey{}, s)
 }
 
-//
+type maxSendMsgSizeKey struct{}
+
 // MaxSendMsgSize set the maximum size of message that client can send.
 func MaxSendMsgSize(s int) client.Option {
 	return client.SetOption(maxSendMsgSizeKey{}, s)
@@ -62,12 +56,14 @@ func MaxSendMsgSize(s int) client.Option {
 
 type httpClientKey struct{}
 
+// nolint: golint
 func HTTPClient(c *http.Client) client.Option {
 	return client.SetOption(httpClientKey{}, c)
 }
 
 type httpDialerKey struct{}
 
+// nolint: golint
 func HTTPDialer(d *net.Dialer) client.Option {
 	return client.SetOption(httpDialerKey{}, d)
 }
@@ -101,3 +97,9 @@ type structTagsKey struct{}
 func StructTags(tags []string) client.CallOption {
 	return client.SetCallOption(structTagsKey{}, tags)
 }
+
+type metadataKey struct{}
+
+func Metadata(md metadata.Metadata) client.CallOption {
+	return client.SetCallOption(metadataKey{}, md)
+}

request.go

@@ -15,7 +15,6 @@ type httpRequest struct {
 
 func newHTTPRequest(service, method string, request interface{}, contentType string, opts ...client.RequestOption) client.Request {
 	options := client.NewRequestOptions(opts...)
-
 	if len(options.ContentType) == 0 {
 		options.ContentType = contentType
 	}

stream.go

@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"context"
 	"fmt"
+	"io"
 	"net"
 	"net/http"
 	"sync"
@@ -15,24 +16,20 @@ import (
 
 // Implements the streamer interface
 type httpStream struct {
-	sync.RWMutex
-	address string
-	opts    client.CallOptions
-	ct      string
-	cf      codec.Codec
-	context context.Context
-	header  http.Header
-	seq     uint64
-	closed  chan bool
 	err     error
 	conn    net.Conn
-	reader  *bufio.Reader
+	cf      codec.Codec
+	context context.Context
 	request client.Request
+	closed  chan bool
+	reader  *bufio.Reader
+	address string
+	ct      string
+	opts    client.CallOptions
+	sync.RWMutex
 }
 
-var (
+var errShutdown = fmt.Errorf("connection is shut down")
-	errShutdown = fmt.Errorf("connection is shut down")
-)
 
 func (h *httpStream) isClosed() bool {
 	select {
@@ -64,13 +61,11 @@ 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)
 }
 
@@ -89,7 +84,7 @@ func (h *httpStream) Recv(msg interface{}) error {
 	}
 	defer hrsp.Body.Close()
 
-	return parseRsp(h.context, hrsp, h.cf, msg, h.opts)
+	return h.parseRsp(h.context, hrsp, h.cf, msg, h.opts)
 }
 
 func (h *httpStream) Error() error {
@@ -107,3 +102,44 @@ func (h *httpStream) Close() error {
 		return h.conn.Close()
 	}
 }
+
+func (h *httpStream) parseRsp(ctx context.Context, hrsp *http.Response, cf codec.Codec, rsp interface{}, opts client.CallOptions) error {
+	var err error
+
+	select {
+	case <-ctx.Done():
+		err = ctx.Err()
+	default:
+		// fast path return
+		if hrsp.StatusCode == http.StatusNoContent {
+			return nil
+		}
+
+		if hrsp.StatusCode < 400 {
+			if err = cf.ReadBody(hrsp.Body, rsp); err != nil {
+				return errors.InternalServerError("go.micro.client", err.Error())
+			}
+			return nil
+		}
+
+		errmap, ok := opts.Context.Value(errorMapKey{}).(map[string]interface{})
+		if ok && errmap != nil {
+			if err, ok = errmap[fmt.Sprintf("%d", hrsp.StatusCode)].(error); !ok {
+				err, ok = errmap["default"].(error)
+			}
+		}
+		if !ok || err == 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 {
+			err = errors.InternalServerError("go.micro.client", cerr.Error())
+		}
+	}
+
+	return err
+}

util.go

@@ -3,14 +3,14 @@ package http
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
+	"net/url"
 	"reflect"
 	"strings"
 	"sync"
 
 	"github.com/unistack-org/micro/v3/client"
-	"github.com/unistack-org/micro/v3/codec"
 	"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"
@@ -21,6 +21,23 @@ var (
 	mu            sync.RWMutex
 )
 
+// 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) (string, interface{}, error) {
 	// parse via https://github.com/googleapis/googleapis/blob/master/google/api/http.proto definition
 	tpl, err := newTemplate(path)
@@ -32,6 +49,7 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 		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] = ""
@@ -53,7 +71,7 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 		tnmsg = tnmsg.Elem()
 	}
 
-	values := make(map[string]string)
+	values := url.Values{}
 	// copy cycle
 	for i := 0; i < tmsg.NumField(); i++ {
 		val := tmsg.Field(i)
@@ -73,9 +91,13 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 			// special
 			switch tn {
 			case "protobuf": // special
-				t = &tag{key: tn, name: tp[3][5:], opts: append(tp[:3], tp[4:]...)}
+				for _, p := range tp {
+					if idx := strings.Index(p, "name="); idx > 0 {
+						t = &tag{key: tn, name: p[idx:]}
+					}
+				}
 			default:
-				t = &tag{key: tn, name: tp[0], opts: tp[1:]}
+				t = &tag{key: tn, name: tp[0]}
 			}
 			if t.name != "" {
 				break
@@ -87,18 +109,40 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 			t.name = strings.ToLower(fld.Name)
 		}
 
+		if !val.IsValid() || val.IsZero() {
+			continue
+		}
+
+		// nolint: gocritic
 		if _, ok := fieldsmap[t.name]; ok {
-			fieldsmap[t.name] = fmt.Sprintf("%v", val.Interface())
+			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()))
+				}
+				fieldsmapskip[t.name] = struct{}{}
+			default:
+				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 {
-			values[t.name] = fmt.Sprintf("%v", val.Interface())
+			if val.Type().Kind() == reflect.Slice {
+				for idx := 0; idx < val.Len(); idx++ {
+					values.Add(t.name, fmt.Sprintf("%v", val.Index(idx).Interface()))
+				}
+			} else {
+				values.Add(t.name, fmt.Sprintf("%v", val.Interface()))
+			}
 		}
 	}
 
 	// check not filled stuff
 	for k, v := range fieldsmap {
-		if v == "" {
+		_, ok := fieldsmapskip[k]
+		if !ok && v == "" {
 			return "", nil, fmt.Errorf("path param %s not filled", k)
 		}
 	}
@@ -107,23 +151,17 @@ func newPathRequest(path string, method string, body string, msg interface{}, ta
 	for _, fld := range tpl.Pool {
 		_, _ = b.WriteRune('/')
 		if v, ok := fieldsmap[fld]; ok {
-			_, _ = b.WriteString(v)
+			if v != "" {
+				_, _ = b.WriteString(v)
+			}
 		} else {
 			_, _ = b.WriteString(fld)
 		}
 	}
 
-	idx := 0
+	if len(values) > 0 {
-	for k, v := range values {
+		_, _ = b.WriteRune('?')
-		if idx == 0 {
+		_, _ = b.WriteString(values.Encode())
-			_, _ = b.WriteRune('?')
-		} else {
-			_, _ = b.WriteRune('&')
-		}
-		_, _ = b.WriteString(k)
-		_, _ = b.WriteRune('=')
-		_, _ = b.WriteString(v)
-		idx++
 	}
 
 	if rutil.IsZero(nmsg) {
@@ -155,36 +193,62 @@ func newTemplate(path string) (util.Template, error) {
 	return tpl, nil
 }
 
-func parseRsp(ctx context.Context, hrsp *http.Response, cf codec.Codec, rsp interface{}, opts client.CallOptions) error {
+func (h *httpClient) parseRsp(ctx context.Context, hrsp *http.Response, rsp interface{}, opts client.CallOptions) error {
-	b, err := ioutil.ReadAll(hrsp.Body)
+	var err error
-	if err != nil {
-		return errors.InternalServerError("go.micro.client", err.Error())
-	}
 
-	if hrsp.StatusCode < 400 {
+	select {
-		// unmarshal
+	case <-ctx.Done():
-		if err := cf.Unmarshal(b, rsp); err != nil {
+		err = ctx.Err()
-			return errors.InternalServerError("go.micro.client", err.Error())
+	default:
+		// fast path return
+		if hrsp.StatusCode == http.StatusNoContent {
+			return nil
 		}
-		return nil
+		ct := DefaultContentType
-	}
 
-	errmap, ok := opts.Context.Value(errorMapKey{}).(map[string]interface{})
+		if htype := hrsp.Header.Get("Content-Type"); htype != "" {
-	if !ok || errmap == nil {
+			ct = htype
-		// user not provide map of errors
+		}
-		// id: req.Service() ??
-		return errors.New("go.micro.client", string(b), int32(hrsp.StatusCode))
-	}
 
-	if err, ok = errmap[fmt.Sprintf("%d", hrsp.StatusCode)].(error); !ok {
+		cf, cerr := h.newCodec(ct)
-		err, ok = errmap["default"].(error)
+		if cerr != nil {
-	}
+			return errors.InternalServerError("go.micro.client", cerr.Error())
-	if !ok {
+		}
-		return errors.New("go.micro.client", string(b), int32(hrsp.StatusCode))
+
-	}
+		// succeseful response
+		if hrsp.StatusCode < 400 {
+			if err = cf.ReadBody(hrsp.Body, rsp); err != nil {
+				return errors.InternalServerError("go.micro.client", err.Error())
+			}
+			return nil
+		}
+
+		// response with error
+		var rerr interface{}
+		errmap, ok := opts.Context.Value(errorMapKey{}).(map[string]interface{})
+		if ok && errmap != nil {
+			rerr, ok = errmap[fmt.Sprintf("%d", hrsp.StatusCode)]
+			if !ok {
+				rerr, ok = errmap["default"]
+			}
+		}
+
+		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 {
+			return errors.InternalServerError("go.micro.client", cerr.Error())
+		}
+
+		if err, ok = rerr.(error); !ok {
+			err = &Error{rerr}
+		}
 
-	if cerr := cf.Unmarshal(b, err); cerr != nil {
-		return errors.InternalServerError("go.micro.client", cerr.Error())
 	}
 
 	return err
@@ -193,5 +257,4 @@ func parseRsp(ctx context.Context, hrsp *http.Response, cf codec.Codec, rsp inte
 type tag struct {
 	key  string
 	name string
-	opts []string
 }

util_test.go

@@ -18,8 +18,8 @@ func TestNewPathRequest(t *testing.T) {
 	type Message struct {
 		Name string `json:"name"`
 		Val1 string `protobuf:"bytes,1,opt,name=val1,proto3" json:"val1"`
-		Val2 int64
 		Val3 []string
+		Val2 int64
 	}
 
 	omsg := &Message{Name: "test_name", Val1: "test_val1", Val2: 100, Val3: []string{"slice"}}
@@ -45,8 +45,8 @@ func TestNewPathVarRequest(t *testing.T) {
 	type Message struct {
 		Name string `json:"name"`
 		Val1 string `protobuf:"bytes,1,opt,name=val1,proto3" json:"val1"`
-		Val2 int64
 		Val3 []string
+		Val2 int64
 	}
 
 	omsg := &Message{Name: "test_name", Val1: "test_val1", Val2: 100, Val3: []string{"slice"}}