cmux example

cmux_example.go

// Create the main listener.
lis, err := net.Listen("tcp", ":23456")
if err != nil {
	log.Fatal(err)
}

// Create a cmux.
mux := cmux.New(lis)

// Match connections in order:
// First grpc, then HTTP, and otherwise Go RPC/TCP.
grpcL := mux.Match(cmux.HTTP2HeaderField("content-type", "application/grpc"))
httpL := mux.Match(cmux.HTTP1Fast())
trpcL := mux.Match(cmux.Any()) // Any means anything that is not yet matched.

// Create your protocol servers.
// The gRPC server.
grpcS := grpc.NewServer()
grpchello.RegisterGreeterServer(grpcs, &server{})

// The HTTP server.
httpS := &http.Server{Handler: &helloHTTP1Handler{}}

// The GoRPC/TCP server.
trpcS := rpc.NewServer()
s.Register(&ExampleRPCRcvr{})                          

// Use the muxed listeners for your servers.
go grpcS.Serve(grpcL)
go httpS.Serve(httpL)
go trpcS.Accept(trpcL)

// Start serving!
mux.Serve()