Merge pull request 'fix request/response md handling' (#112) from request-respone-md into master

Reviewed-on: #112

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

@@ -1,5 +1,5 @@
-module go.unistack.org/micro-client-http/v3
+module go.unistack.org/micro-client-http/v4
 
-go 1.18
+go 1.19
 
-require go.unistack.org/micro/v3 v3.10.16
+require go.unistack.org/micro/v4 v4.0.1

go.sum

@@ -1,8 +1,2 @@
-github.com/imdario/mergo v0.3.13/go.mod h1:4lJ1jqUDcsbIECGy0RUJAXNIhg+6ocWgb1ALK2O4oXg=
-github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
-github.com/silas/dag v0.0.0-20211117232152-9d50aa809f35/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
-go.unistack.org/micro/v3 v3.10.16 h1:2er/SKKYbV60M+UuJM4eYCF0MZYAIq/yNUrAbTfgq8Q=
-go.unistack.org/micro/v3 v3.10.16/go.mod h1:uMAc0U/x7dmtICCrblGf0ZLgYegu3VwQAquu+OFCw1Q=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+go.unistack.org/micro/v4 v4.0.1 h1:xo1IxbVfgh8i0eY0VeYa3cbb13u5n/Mxnp3FOgWD4Jo=
+go.unistack.org/micro/v4 v4.0.1/go.mod h1:p/J5UcSJjfHsWGT31uKoghQ5rUQZzQJBAFy+Z4+ZVMs=

http.go

@@ -1,5 +1,5 @@
 // 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"
@@ -10,19 +10,17 @@ import (
 	"net"
 	"net/http"
 	"net/url"
-	"os"
 	"strings"
 	"sync"
 	"time"
 
-	"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/logger"
-	"go.unistack.org/micro/v3/metadata"
-	"go.unistack.org/micro/v3/selector"
-	rutil "go.unistack.org/micro/v3/util/reflect"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/codec"
+	"go.unistack.org/micro/v4/errors"
+	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v4/metadata"
+	"go.unistack.org/micro/v4/selector"
+	rutil "go.unistack.org/micro/v4/util/reflect"
 )
 
 var DefaultContentType = "application/json"
@@ -147,6 +145,11 @@ func newRequest(ctx context.Context, log logger.Logger, addr string, req client.
 	if opts.AuthToken != "" {
 		header.Set(metadata.HeaderAuthorization, opts.AuthToken)
 	}
+	if opts.RequestMetadata != nil {
+		for k, v := range opts.RequestMetadata {
+			header.Set(k, v)
+		}
+	}
 
 	if md, ok := metadata.FromOutgoingContext(ctx); ok {
 		for k, v := range md {
@@ -308,9 +311,6 @@ func (h *httpClient) Init(opts ...client.Option) error {
 		o(&h.opts)
 	}
 
-	if err := h.opts.Broker.Init(); err != nil {
-		return err
-	}
 	if err := h.opts.Tracer.Init(); err != nil {
 		return err
 	}
@@ -334,10 +334,6 @@ func (h *httpClient) Options() client.Options {
 	return h.opts
 }
 
-func (h *httpClient) NewMessage(topic string, msg interface{}, opts ...client.MessageOption) client.Message {
-	return newHTTPMessage(topic, msg, h.opts.ContentType, opts...)
-}
-
 func (h *httpClient) NewRequest(service, method string, req interface{}, opts ...client.RequestOption) client.Request {
 	return newHTTPRequest(service, method, req, h.opts.ContentType, opts...)
 }
@@ -614,71 +610,6 @@ 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 {
-	var body []byte
-
-	options := client.NewPublishOptions(opts...)
-
-	// get proxy
-	exchange := ""
-	if v, ok := os.LookupEnv("MICRO_PROXY"); ok {
-		exchange = v
-	}
-
-	omd, ok := metadata.FromOutgoingContext(ctx)
-	if !ok {
-		omd = metadata.New(2)
-	}
-
-	msgs := make([]*broker.Message, 0, len(ps))
-
-	for _, p := range ps {
-		md := metadata.Copy(omd)
-		md[metadata.HeaderContentType] = p.ContentType()
-
-		// passed in raw data
-		if d, ok := p.Payload().(*codec.Frame); ok {
-			body = d.Data
-		} else {
-			// use codec for payload
-			cf, err := h.newCodec(p.ContentType())
-			if err != nil {
-				return errors.InternalServerError("go.micro.client", err.Error())
-			}
-			// set the body
-			b, err := cf.Marshal(p.Payload())
-			if err != nil {
-				return errors.InternalServerError("go.micro.client", err.Error())
-			}
-			body = b
-		}
-
-		topic := p.Topic()
-		if len(exchange) > 0 {
-			topic = exchange
-		}
-
-		for k, v := range p.Metadata() {
-			md.Set(k, v)
-		}
-		md.Set(metadata.HeaderTopic, topic)
-		msgs = append(msgs, &broker.Message{Header: md, Body: body})
-	}
-
-	return h.opts.Broker.BatchPublish(ctx, msgs,
-		broker.PublishContext(ctx),
-		broker.PublishBodyOnly(options.BodyOnly),
-	)
-}
-
 func (h *httpClient) String() string {
 	return "http"
 }

message.go

@@ -1,44 +0,0 @@
-package http
-
-import (
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/metadata"
-)
-
-type httpMessage struct {
-	payload     interface{}
-	topic       string
-	contentType string
-	opts        client.MessageOptions
-}
-
-func newHTTPMessage(topic string, payload interface{}, contentType string, opts ...client.MessageOption) client.Message {
-	options := client.NewMessageOptions(opts...)
-
-	if len(options.ContentType) > 0 {
-		contentType = options.ContentType
-	}
-
-	return &httpMessage{
-		payload:     payload,
-		topic:       topic,
-		contentType: contentType,
-		opts:        options,
-	}
-}
-
-func (h *httpMessage) ContentType() string {
-	return h.contentType
-}
-
-func (h *httpMessage) Topic() string {
-	return h.topic
-}
-
-func (h *httpMessage) Payload() interface{} {
-	return h.payload
-}
-
-func (h *httpMessage) Metadata() metadata.Metadata {
-	return h.opts.Metadata
-}

options.go

@@ -4,8 +4,8 @@ import (
 	"net"
 	"net/http"
 
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/metadata"
 )
 
 var (

request.go

@@ -1,8 +1,8 @@
 package http
 
 import (
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/codec"
 )
 
 type httpRequest struct {

stream.go

@@ -9,10 +9,10 @@ import (
 	"net/http"
 	"sync"
 
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/codec"
-	"go.unistack.org/micro/v3/errors"
-	"go.unistack.org/micro/v3/logger"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/codec"
+	"go.unistack.org/micro/v4/errors"
+	"go.unistack.org/micro/v4/logger"
 )
 
 // Implements the streamer interface

util.go

@@ -10,10 +10,11 @@ import (
 	"strings"
 	"sync"
 
-	"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"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/errors"
+	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v4/metadata"
+	rutil "go.unistack.org/micro/v4/util/reflect"
 )
 
 var (
@@ -252,6 +253,13 @@ func (h *httpClient) parseRsp(ctx context.Context, hrsp *http.Response, rsp inte
 		return nil
 	}
 
+	if opts.ResponseMetadata != nil {
+		*opts.ResponseMetadata = metadata.New(len(hrsp.Header))
+		for k, v := range hrsp.Header {
+			opts.ResponseMetadata.Set(k, strings.Join(v, ","))
+		}
+	}
+
 	select {
 	case <-ctx.Done():
 		err = ctx.Err()
@@ -275,7 +283,7 @@ func (h *httpClient) parseRsp(ctx context.Context, hrsp *http.Response, rsp inte
 		cf, cerr := h.newCodec(ct)
 		if cerr != nil {
 			if h.opts.Logger.V(logger.DebugLevel) {
-				h.opts.Logger.Debugf(ctx, "response with %v unknown content-type %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", cerr.Error())
 		}