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support response metadata #101

Merged
vtolstov merged 1 commits from metadata into v3 2022-11-16 23:12:44 +03:00
Conversation 0 Commits 1 Files Changed 6 +85 -66
6 changed files with 85 additions and 66 deletions
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3
go.mod
View File

@ -3,8 +3,7 @@ module go.unistack.org/micro-client-grpc/v3
go 1.16
require (
github.com/google/gnostic v0.6.9 // indirect
go.unistack.org/micro/v3 v3.9.11
go.unistack.org/micro/v3 v3.9.13
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

13
go.sum
View File

@ -46,8 +46,6 @@ github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/google/gnostic v0.6.6/go.mod h1:Nm8234We1lq6iB9OmlgNv3nH91XLLVZHCDayfA3xq+E=
github.com/google/gnostic v0.6.8/go.mod h1:Nm8234We1lq6iB9OmlgNv3nH91XLLVZHCDayfA3xq+E=
github.com/google/gnostic v0.6.9 h1:ZK/5VhkoX835RikCHpSUJV9a+S3e1zLh59YnyWeBW+0=
github.com/google/gnostic v0.6.9/go.mod h1:Nm8234We1lq6iB9OmlgNv3nH91XLLVZHCDayfA3xq+E=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
@ -84,10 +82,10 @@ github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
go.unistack.org/micro-proto/v3 v3.2.7 h1:zG6d69kHc+oij2lwQ3AfrCgdjiEVRG2A7TlsxjusWs4=
go.unistack.org/micro-proto/v3 v3.2.7/go.mod h1:ZltVWNECD5yK+40+OCONzGw4OtmSdTpVi8/KFgo9dqM=
go.unistack.org/micro/v3 v3.9.11 h1:dsZVss3nvfByL1ZDJNnUVQB1N8w6qn4pr9vIkeBiii8=
go.unistack.org/micro/v3 v3.9.11/go.mod h1:LrBm9Fsf4MbY8DlUbdwRTYJosMkN8wrtOQHoYBlMkz8=
go.unistack.org/micro-proto/v3 v3.3.1 h1:nQ0MtWvP2G3QrpOgawVOPhpZZYkq6umTGDqs8FxJYIo=
go.unistack.org/micro-proto/v3 v3.3.1/go.mod h1:cwRyv8uInM2I7EbU7O8Fx2Ls3N90Uw9UCCcq4olOdfE=
go.unistack.org/micro/v3 v3.9.13 h1:x1/H4rDgvz2JWXx6UvFiWDyRLxg2Kpp6V1kjzpLlyvo=
go.unistack.org/micro/v3 v3.9.13/go.mod h1:gI4RkJKHLPW7KV6h4+ZBOZD997MRvFRXMPQIHpozikI=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@ -173,8 +171,9 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

112
grpc.go
View File

@ -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)
@ -113,7 +118,7 @@ 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...)
}
@ -127,15 +132,22 @@ func (g *grpcClient) call(ctx context.Context, addr string, req client.Request,
}()
ch := make(chan error, 1)
var gmd gmetadata.MD
grpcCallOptions := []grpc.CallOption{
grpc.CallContentSubtype((&wrapMicroCodec{cf}).Name()),
}
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() {
grpcCallOptions := []grpc.CallOption{
grpc.ForceCodec(&wrapMicroCodec{cf}),
grpc.CallContentSubtype((&wrapMicroCodec{cf}).Name()),
}
if opts := g.getGrpcCallOptions(); opts != nil {
grpcCallOptions = append(grpcCallOptions, opts...)
}
err := cc.Invoke(ctx, methodToGRPC(req.Service(), req.Endpoint()), req.Body(), rsp, grpcCallOptions...)
ch <- microError(err)
}()
@ -147,6 +159,13 @@ 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 +187,7 @@ 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)
@ -200,7 +219,7 @@ 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...)
}
@ -216,12 +235,17 @@ 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 +291,7 @@ 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 +416,7 @@ 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 +754,45 @@ func (g *grpcClient) Name() string {
return g.opts.Name
}
func (g *grpcClient) getGrpcDialOptions() []grpc.DialOption {
if g.opts.CallOptions.Context == nil {
return nil
func (g *grpcClient) getGrpcDialOptions(ctx context.Context) []grpc.DialOption {
var opts []grpc.DialOption
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 v == nil {
return nil
}
opts, ok := v.([]grpc.DialOption)
if !ok {
return nil
if ctx != nil {
if v := ctx.Value(grpcDialOptions{}); v != nil {
if vopts, ok := v.([]grpc.DialOption); ok {
opts = append(opts, vopts...)
}
}
}
return opts
}
func (g *grpcClient) getGrpcCallOptions() []grpc.CallOption {
if g.opts.CallOptions.Context == nil {
return nil
func (g *grpcClient) getGrpcCallOptions(ctx context.Context) []grpc.CallOption {
var opts []grpc.CallOption
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 v == nil {
return nil
}
opts, ok := v.([]grpc.CallOption)
if !ok {
return nil
if ctx != nil {
if v := ctx.Value(grpcCallOptions{}); v != nil {
if vopts, ok := v.([]grpc.CallOption); ok {
opts = append(opts, vopts...)
}
}
}
return opts
@ -771,7 +801,9 @@ func (g *grpcClient) getGrpcCallOptions() []grpc.CallOption {
func NewClient(opts ...client.Option) client.Client {
options := client.NewOptions(opts...)
// default content type for grpc
options.ContentType = DefaultContentType
if options.ContentType == "" {
options.ContentType = DefaultContentType
}
rc := &grpcClient{
opts: options,

8
options.go
View File

@ -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 {
@ -98,9 +94,7 @@ func MaxSendMsgSize(s int) client.Option {
type grpcDialOptions struct{}
//
// DialOptions to be used to configure gRPC dial options
//
func DialOptions(opts ...grpc.DialOption) client.CallOption {
return func(o *client.CallOptions) {
if o.Context == nil {
@ -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 {

13
request.go
View File

@ -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 {
var opts client.RequestOptions
for _, o := range reqOpts {
o(&opts)
}
func newGRPCRequest(service, method string, request interface{}, contentType string, opts ...client.RequestOption) client.Request {
options := client.NewRequestOptions(opts...)
// set the content-type specified
if len(opts.ContentType) > 0 {
contentType = opts.ContentType
if len(options.ContentType) > 0 {
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,
}
}

2
response.go
View File

@ -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 {