add Path metadata

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

go.mod

@@ -3,10 +3,16 @@ module go.unistack.org/micro-server-grpc/v3
 go 1.16
 
 require (
-	github.com/golang/protobuf v1.5.2
-	github.com/quic-go/quic-go v0.35.1
-	go.unistack.org/micro/v3 v3.10.14
-	golang.org/x/net v0.7.0
-	google.golang.org/grpc v1.52.3
-	google.golang.org/protobuf v1.28.1
+	github.com/golang/protobuf v1.5.3
+	github.com/google/pprof v0.0.0-20231101202521-4ca4178f5c7a // indirect
+	github.com/onsi/ginkgo/v2 v2.13.0 // indirect
+	github.com/quic-go/qtls-go1-19 v0.3.3 // indirect
+	github.com/quic-go/quic-go v0.40.0
+	github.com/stretchr/testify v1.8.3 // indirect
+	go.unistack.org/micro/v3 v3.10.31
+	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
+	golang.org/x/net v0.17.0
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20231030173426-d783a09b4405 // indirect
+	google.golang.org/grpc v1.59.0
+	google.golang.org/protobuf v1.31.0
 )

grpc.go

@@ -234,6 +234,7 @@ func (g *Server) handler(srv interface{}, stream grpc.ServerStream) (err error)
 	for k, v := range gmd {
 		md.Set(k, strings.Join(v, ", "))
 	}
+	md.Set("Path", fullMethod)
 
 	var td string
 	// timeout for server deadline