github.com/Minish144/prototool-arm64@v1.3.0/example/cmd/excited/main.go (about) 1 // Copyright (c) 2018 Uber Technologies, Inc. 2 // 3 // Permission is hereby granted, free of charge, to any person obtaining a copy 4 // of this software and associated documentation files (the "Software"), to deal 5 // in the Software without restriction, including without limitation the rights 6 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 // copies of the Software, and to permit persons to whom the Software is 8 // furnished to do so, subject to the following conditions: 9 // 10 // The above copyright notice and this permission notice shall be included in 11 // all copies or substantial portions of the Software. 12 // 13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 // THE SOFTWARE. 20 21 package main 22 23 import ( 24 "context" 25 "io" 26 "log" 27 "net" 28 29 "github.com/uber/prototool/example/gen/proto/go/foo" 30 "google.golang.org/grpc" 31 ) 32 33 func main() { 34 if err := do(); err != nil { 35 log.Fatal(err.Error()) 36 } 37 } 38 39 func do() error { 40 grpcServer := grpc.NewServer() 41 foopb.RegisterExcitedServiceServer(grpcServer, newServer()) 42 listener, err := net.Listen("tcp", "0.0.0.0:8080") 43 if err != nil { 44 return err 45 } 46 return grpcServer.Serve(listener) 47 } 48 49 type server struct{} 50 51 func newServer() *server { 52 return &server{} 53 } 54 55 func (s *server) Exclamation(ctx context.Context, request *foopb.ExclamationRequest) (*foopb.ExclamationResponse, error) { 56 return &foopb.ExclamationResponse{ 57 Value: request.Value + "!", 58 }, nil 59 } 60 61 func (s *server) ExclamationClientStream(streamServer foopb.ExcitedService_ExclamationClientStreamServer) error { 62 value := "" 63 for request, err := streamServer.Recv(); err != io.EOF; request, err = streamServer.Recv() { 64 if err != nil { 65 return err 66 } 67 value += request.Value 68 } 69 return streamServer.SendAndClose(&foopb.ExclamationResponse{ 70 Value: value + "!", 71 }) 72 } 73 74 func (s *server) ExclamationServerStream(request *foopb.ExclamationRequest, streamServer foopb.ExcitedService_ExclamationServerStreamServer) error { 75 for _, c := range request.Value { 76 if err := streamServer.Send(&foopb.ExclamationResponse{ 77 Value: string(c), 78 }); err != nil { 79 return err 80 } 81 } 82 return streamServer.Send(&foopb.ExclamationResponse{ 83 Value: "!", 84 }) 85 } 86 87 func (s *server) ExclamationBidiStream(streamServer foopb.ExcitedService_ExclamationBidiStreamServer) error { 88 for request, err := streamServer.Recv(); err != io.EOF; request, err = streamServer.Recv() { 89 if err != nil { 90 return err 91 } 92 if err := streamServer.Send(&foopb.ExclamationResponse{ 93 Value: request.Value + "!", 94 }); err != nil { 95 return err 96 } 97 } 98 return nil 99 }