Merge pull request 'change DialOptions signature' (#128) from quicfix into v3

Reviewed-on: #128

.github/workflows/autoapprove.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: approve
-        uses: hmarr/auto-approve-action@v2
+        uses: hmarr/auto-approve-action@v3
         if: github.actor == 'vtolstov' || github.actor == 'dependabot[bot]'
         id: approve
         with:

.github/workflows/build.yml

@@ -34,7 +34,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v3.2.0
+        uses: golangci/golangci-lint-action@v3.4.0
         continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.

.github/workflows/dependabot-automerge.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - name: metadata
         id: metadata
-        uses: dependabot/fetch-metadata@v1.3.1
+        uses: dependabot/fetch-metadata@v1.3.6
         with:
           github-token: "${{ secrets.TOKEN }}"
       - name: merge

.github/workflows/pr.yml

@@ -34,7 +34,7 @@ jobs:
       - name: checkout
         uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v3.2.0
+        uses: golangci/golangci-lint-action@v3.4.0
         continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.

go.mod

@@ -1,12 +1,17 @@
 module go.unistack.org/micro-client-grpc/v3
 
-go 1.16
+go 1.20
 
 require (
-	github.com/google/gnostic v0.6.9 // indirect
+	go.unistack.org/micro/v3 v3.10.22
-	go.unistack.org/micro/v3 v3.9.8
+	google.golang.org/grpc v1.55.0
-	golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4 // indirect
+)
-	golang.org/x/sys v0.0.0-20220429233432-b5fbb4746d32 // indirect
+
-	google.golang.org/genproto v0.0.0-20220429170224-98d788798c3e // indirect
+require (
-	google.golang.org/grpc v1.47.0
+	github.com/golang/protobuf v1.5.3 // indirect
+	golang.org/x/net v0.8.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
+	google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
 )

go.sum

@@ -1,193 +1,22 @@
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grpc.go

@@ -26,7 +26,7 @@ import (
 )
 
 const (
-	DefaultContentType = "application/grpc+proto"
+	DefaultContentType = "application/grpc"
 )
 
 type grpcClient struct {
@@ -78,10 +78,15 @@ func (g *grpcClient) call(ctx context.Context, addr string, req client.Request,
 	} else {
 		header = make(map[string]string, 2)
 	}
-
+	if opts.RequestMetadata != nil {
+		for k, v := range opts.RequestMetadata {
+			header[k] = v
+		}
+	}
 	// set timeout in nanoseconds
 	header["Grpc-Timeout"] = fmt.Sprintf("%dn", opts.RequestTimeout)
 	header["timeout"] = fmt.Sprintf("%dn", opts.RequestTimeout)
+	header["content-type"] = req.ContentType()
 
 	md := gmetadata.New(header)
 	ctx = gmetadata.NewOutgoingContext(ctx, md)
@@ -113,10 +118,18 @@ func (g *grpcClient) call(ctx context.Context, addr string, req client.Request,
 		),
 	}
 
-	if opts := g.getGrpcDialOptions(); opts != nil {
+	if opts := g.getGrpcDialOptions(opts.Context); opts != nil {
 		grpcDialOptions = append(grpcDialOptions, opts...)
 	}
 
+	contextDialer := g.opts.ContextDialer
+	if opts.ContextDialer != nil {
+		contextDialer = opts.ContextDialer
+	}
+	if contextDialer != nil {
+		grpcDialOptions = append(grpcDialOptions, grpc.WithContextDialer(contextDialer))
+	}
+
 	cc, err := g.pool.getConn(dialCtx, addr, grpcDialOptions...)
 	if err != nil {
 		return errors.InternalServerError("go.micro.client", fmt.Sprintf("Error sending request: %v", err))
@@ -127,15 +140,22 @@ func (g *grpcClient) call(ctx context.Context, addr string, req client.Request,
 	}()
 
 	ch := make(chan error, 1)
+	var gmd gmetadata.MD
 
-	go func() {
 	grpcCallOptions := []grpc.CallOption{
-			grpc.ForceCodec(&wrapMicroCodec{cf}),
 		grpc.CallContentSubtype((&wrapMicroCodec{cf}).Name()),
 	}
-		if opts := g.getGrpcCallOptions(); opts != nil {
+
+	if opts := g.getGrpcCallOptions(opts.Context); opts != nil {
 		grpcCallOptions = append(grpcCallOptions, opts...)
 	}
+
+	if opts.ResponseMetadata != nil {
+		gmd = gmetadata.MD{}
+		grpcCallOptions = append(grpcCallOptions, grpc.Header(&gmd))
+	}
+
+	go func() {
 		err := cc.Invoke(ctx, methodToGRPC(req.Service(), req.Endpoint()), req.Body(), rsp, grpcCallOptions...)
 		ch <- microError(err)
 	}()
@@ -147,6 +167,13 @@ func (g *grpcClient) call(ctx context.Context, addr string, req client.Request,
 		grr = errors.Timeout("go.micro.client", "%v", ctx.Err())
 	}
 
+	if opts.ResponseMetadata != nil {
+		*opts.ResponseMetadata = metadata.New(gmd.Len())
+		for k, v := range gmd {
+			opts.ResponseMetadata.Set(k, strings.Join(v, ","))
+		}
+	}
+
 	return grr
 }
 
@@ -168,7 +195,7 @@ func (g *grpcClient) stream(ctx context.Context, addr string, req client.Request
 		header["timeout"] = fmt.Sprintf("%dn", opts.StreamTimeout)
 	}
 	// set the content type for the request
-	header["x-content-type"] = req.ContentType()
+	header["content-type"] = req.ContentType()
 
 	md := gmetadata.New(header)
 	ctx = gmetadata.NewOutgoingContext(ctx, md)
@@ -200,10 +227,18 @@ func (g *grpcClient) stream(ctx context.Context, addr string, req client.Request
 		),
 	}
 
-	if opts := g.getGrpcDialOptions(); opts != nil {
+	if opts := g.getGrpcDialOptions(opts.Context); opts != nil {
 		grpcDialOptions = append(grpcDialOptions, opts...)
 	}
 
+	contextDialer := g.opts.ContextDialer
+	if opts.ContextDialer != nil {
+		contextDialer = opts.ContextDialer
+	}
+	if contextDialer != nil {
+		grpcDialOptions = append(grpcDialOptions, grpc.WithContextDialer(contextDialer))
+	}
+
 	cc, err := g.pool.getConn(dialCtx, addr, grpcDialOptions...)
 	if err != nil {
 		return errors.InternalServerError("go.micro.client", fmt.Sprintf("Error sending request: %v", err))
@@ -216,12 +251,17 @@ func (g *grpcClient) stream(ctx context.Context, addr string, req client.Request
 	}
 
 	grpcCallOptions := []grpc.CallOption{
-		grpc.ForceCodec(wc),
+		// grpc.ForceCodec(wc),
 		grpc.CallContentSubtype(wc.Name()),
 	}
-	if opts := g.getGrpcCallOptions(); opts != nil {
+	if opts := g.getGrpcCallOptions(opts.Context); opts != nil {
 		grpcCallOptions = append(grpcCallOptions, opts...)
 	}
+	var gmd gmetadata.MD
+	if opts.ResponseMetadata != nil {
+		gmd = gmetadata.MD{}
+		grpcCallOptions = append(grpcCallOptions, grpc.Header(&gmd))
+	}
 
 	// create a new cancelling context
 	newCtx, cancel := context.WithCancel(ctx)
@@ -267,6 +307,7 @@ func (g *grpcClient) stream(ctx context.Context, addr string, req client.Request
 	// set the stream as the response
 	val := reflect.ValueOf(rsp).Elem()
 	val.Set(reflect.ValueOf(stream).Elem())
+
 	return nil
 }
 
@@ -391,6 +432,7 @@ func (g *grpcClient) Call(ctx context.Context, req client.Request, rsp interface
 	}
 	// make a copy of call opts
 	callOpts := g.opts.CallOptions
+
 	for _, opt := range opts {
 		opt(&callOpts)
 	}
@@ -728,41 +770,45 @@ func (g *grpcClient) Name() string {
 	return g.opts.Name
 }
 
-func (g *grpcClient) getGrpcDialOptions() []grpc.DialOption {
+func (g *grpcClient) getGrpcDialOptions(ctx context.Context) []grpc.DialOption {
-	if g.opts.CallOptions.Context == nil {
+	var opts []grpc.DialOption
-		return nil
+
+	if g.opts.CallOptions.Context != nil {
+		if v := g.opts.CallOptions.Context.Value(grpcDialOptions{}); v != nil {
+			if vopts, ok := v.([]grpc.DialOption); ok {
+				opts = append(opts, vopts...)
+			}
+		}
 	}
 
-	v := g.opts.CallOptions.Context.Value(grpcDialOptions{})
+	if ctx != nil {
-
+		if v := ctx.Value(grpcDialOptions{}); v != nil {
-	if v == nil {
+			if vopts, ok := v.([]grpc.DialOption); ok {
-		return nil
+				opts = append(opts, vopts...)
+			}
 		}
-
-	opts, ok := v.([]grpc.DialOption)
-
-	if !ok {
-		return nil
 	}
 
 	return opts
 }
 
-func (g *grpcClient) getGrpcCallOptions() []grpc.CallOption {
+func (g *grpcClient) getGrpcCallOptions(ctx context.Context) []grpc.CallOption {
-	if g.opts.CallOptions.Context == nil {
+	var opts []grpc.CallOption
-		return nil
+
+	if g.opts.CallOptions.Context != nil {
+		if v := g.opts.CallOptions.Context.Value(grpcCallOptions{}); v != nil {
+			if vopts, ok := v.([]grpc.CallOption); ok {
+				opts = append(opts, vopts...)
+			}
+		}
 	}
 
-	v := g.opts.CallOptions.Context.Value(grpcCallOptions{})
+	if ctx != nil {
-
+		if v := ctx.Value(grpcCallOptions{}); v != nil {
-	if v == nil {
+			if vopts, ok := v.([]grpc.CallOption); ok {
-		return nil
+				opts = append(opts, vopts...)
+			}
 		}
-
-	opts, ok := v.([]grpc.CallOption)
-
-	if !ok {
-		return nil
 	}
 
 	return opts
@@ -771,7 +817,9 @@ func (g *grpcClient) getGrpcCallOptions() []grpc.CallOption {
 func NewClient(opts ...client.Option) client.Client {
 	options := client.NewOptions(opts...)
 	// default content type for grpc
+	if options.ContentType == "" {
 		options.ContentType = DefaultContentType
+	}
 
 	rc := &grpcClient{
 		opts: options,

options.go

@@ -70,9 +70,7 @@ func Codec(contentType string, c encoding.Codec) client.Option {
 
 type maxRecvMsgSizeKey struct{}
 
-//
 // MaxRecvMsgSize set the maximum size of message that client can receive.
-//
 func MaxRecvMsgSize(s int) client.Option {
 	return func(o *client.Options) {
 		if o.Context == nil {
@@ -84,9 +82,7 @@ func MaxRecvMsgSize(s int) client.Option {
 
 type maxSendMsgSizeKey struct{}
 
-//
 // MaxSendMsgSize set the maximum size of message that client can send.
-//
 func MaxSendMsgSize(s int) client.Option {
 	return func(o *client.Options) {
 		if o.Context == nil {
@@ -98,11 +94,9 @@ func MaxSendMsgSize(s int) client.Option {
 
 type grpcDialOptions struct{}
 
-//
 // DialOptions to be used to configure gRPC dial options
-//
+func DialOptions(opts ...grpc.DialOption) client.Option {
-func DialOptions(opts ...grpc.DialOption) client.CallOption {
+	return func(o *client.Options) {
-	return func(o *client.CallOptions) {
 		if o.Context == nil {
 			o.Context = context.Background()
 		}
@@ -112,9 +106,7 @@ func DialOptions(opts ...grpc.DialOption) client.CallOption {
 
 type grpcCallOptions struct{}
 
-//
 // CallOptions to be used to configure gRPC call options
-//
 func CallOptions(opts ...grpc.CallOption) client.CallOption {
 	return func(o *client.CallOptions) {
 		if o.Context == nil {

request.go

@@ -38,15 +38,12 @@ func methodToGRPC(service, method string) string {
 	return fmt.Sprintf("/%s.%s/%s", service, mParts[0], mParts[1])
 }
 
-func newGRPCRequest(service, method string, request interface{}, contentType string, reqOpts ...client.RequestOption) client.Request {
+func newGRPCRequest(service, method string, request interface{}, contentType string, opts ...client.RequestOption) client.Request {
-	var opts client.RequestOptions
+	options := client.NewRequestOptions(opts...)
-	for _, o := range reqOpts {
-		o(&opts)
-	}
 
 	// set the content-type specified
-	if len(opts.ContentType) > 0 {
+	if len(options.ContentType) > 0 {
-		contentType = opts.ContentType
+		contentType = options.ContentType
 	}
 
 	return &grpcRequest{
@@ -54,7 +51,7 @@ func newGRPCRequest(service, method string, request interface{}, contentType str
 		method:      method,
 		request:     request,
 		contentType: contentType,
-		opts:        opts,
+		opts:        options,
 	}
 }
 

response.go

@@ -23,7 +23,7 @@ func (r *response) Codec() codec.Codec {
 func (r *response) Header() metadata.Metadata {
 	meta, err := r.stream.Header()
 	if err != nil {
-		return metadata.New(0)
+		return nil
 	}
 	md := metadata.New(len(meta))
 	for k, v := range meta {