/
server.go
76 lines (66 loc) · 1.97 KB
/
server.go
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/*
*
* Copyright 2020 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 for xDS interop tests.
package main
import (
"context"
"flag"
"log"
"net"
"os"
"strconv"
"github.com/CloudmindsRobot/gmgo/grpc"
"github.com/CloudmindsRobot/gmgo/grpc/grpclog"
testpb "github.com/CloudmindsRobot/gmgo/grpc/interop/grpc_testing"
"github.com/CloudmindsRobot/gmgo/grpc/metadata"
)
var (
port = flag.Int("port", 8080, "The server port")
serverID = flag.String("server_id", "go_server", "Server ID included in response")
hostname = getHostname()
logger = grpclog.Component("interop")
)
func getHostname() string {
hostname, err := os.Hostname()
if err != nil {
log.Fatalf("failed to get hostname: %v", err)
}
return hostname
}
type server struct {
testpb.UnimplementedTestServiceServer
}
func (s *server) EmptyCall(ctx context.Context, _ *testpb.Empty) (*testpb.Empty, error) {
grpc.SetHeader(ctx, metadata.Pairs("hostname", hostname))
return &testpb.Empty{}, nil
}
func (s *server) UnaryCall(ctx context.Context, in *testpb.SimpleRequest) (*testpb.SimpleResponse, error) {
grpc.SetHeader(ctx, metadata.Pairs("hostname", hostname))
return &testpb.SimpleResponse{ServerId: *serverID, Hostname: hostname}, nil
}
func main() {
flag.Parse()
p := strconv.Itoa(*port)
lis, err := net.Listen("tcp", ":"+p)
if err != nil {
logger.Fatalf("failed to listen: %v", err)
}
s := grpc.NewServer()
testpb.RegisterTestServiceServer(s, &server{})
s.Serve(lis)
}