/
main.go
73 lines (65 loc) · 2.34 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
// Copyright 2018 StreamSets Inc.
// 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.
package main
import (
"fmt"
"github.com/sirupsen/logrus"
pb "github.com/streamsets/datacollector-edge/stages/origins/grpc_client/testing/simple"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/reflection"
"io"
"net"
"time"
)
const (
port = ":50053"
)
type server struct{}
func (s *server) UnaryRPCExample(ctx context.Context, in *pb.SimpleInputData) (*pb.SimpleOutputData, error) {
return &pb.SimpleOutputData{Msg: "Hello " + in.Msg}, nil
}
func (s *server) ServerStreamingRPC(in *pb.SimpleInputData, stream pb.SimpleService_ServerStreamingRPCServer) error {
for messageCount := int64(0); messageCount < in.TotalMessages; messageCount++ {
time.Sleep(time.Duration(in.Delay) * time.Second)
stream.Send(&pb.SimpleOutputData{Msg: "Hello " + in.Msg})
}
return io.EOF
}
func (s *server) ClientStreamingRPC(stream pb.SimpleService_ClientStreamingRPCServer) error {
return nil
}
func (s *server) BidirectionalStreamingRPC(stream pb.SimpleService_BidirectionalStreamingRPCServer) error {
return nil
}
func main() {
lis, err := net.Listen("tcp", port)
if err != nil {
logrus.Fatal(err)
}
s := grpc.NewServer()
defer s.Stop()
pb.RegisterSimpleServiceServer(s, &server{})
// Register reflection service on gRPC server.
reflection.Register(s)
fmt.Printf("Running gRPC Simple Server on: %s \n", lis.Addr())
fmt.Println("Unary RPC Mode:")
fmt.Println(" method - simple.SimpleService/UnaryRPCExample")
fmt.Printf(" request data - %s \n", `{"msg": "world"}`)
fmt.Println("Server Streaming RPC Mode:")
fmt.Println(" method - simple.SimpleService/ServerStreamingRPC")
fmt.Printf(" request data - %s \n", `{"msg": "world", "delay": 1, "totalMessages": 200000}`)
if err := s.Serve(lis); err != nil {
logrus.Fatalf("failed to serve: %v", err)
}
}