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/*
*
* Copyright 2019 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
// Binary server is an example server.
package main
import (
"context"
"flag"
"fmt"
"log"
"net"
"google.golang.org/grpc"
pb "google.golang.org/grpc/examples/features/proto/echo"
profsvc "google.golang.org/grpc/profiling/service"
)
var port = flag.Int("port", 50051, "the port to serve on")
type server struct {
pb.UnimplementedEchoServer
}
func (s *server) UnaryEcho(ctx context.Context, in *pb.EchoRequest) (*pb.EchoResponse, error) {
fmt.Printf("UnaryEcho called with message %q\n", in.GetMessage())
return &pb.EchoResponse{Message: in.Message}, nil
}
func main() {
flag.Parse()
lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
fmt.Printf("server listening at %v\n", lis.Addr())
s := grpc.NewServer()
pb.RegisterEchoServer(s, &server{})
// Register your grpc.Server with profiling.
pc := &profsvc.ProfilingConfig{
Server: s,
Enabled: true,
StreamStatsSize: 1024,
}
if err = profsvc.Init(pc); err != nil {
fmt.Printf("error calling profsvc.Init: %v\n", err)
return
}
s.Serve(lis)
}
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