From 1f354bf71e45f627cb8db396ffc611945c59b37d Mon Sep 17 00:00:00 2001 From: Ryan Cavicchioni Date: Wed, 7 Jul 2021 10:13:36 -0500 Subject: [PATCH] Initial import --- go.mod | 8 ++ go.sum | 107 ++++++++++++++++++++ ping/ping.pb.go | 228 +++++++++++++++++++++++++++++++++++++++++++ ping/ping.proto | 19 ++++ ping/ping_grpc.pb.go | 101 +++++++++++++++++++ ping_client/main.go | 58 +++++++++++ ping_server/main.go | 48 +++++++++ 7 files changed, 569 insertions(+) create mode 100644 go.mod create mode 100644 go.sum create mode 100644 ping/ping.pb.go create mode 100644 ping/ping.proto create mode 100644 ping/ping_grpc.pb.go create mode 100644 ping_client/main.go create mode 100644 ping_server/main.go diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..262666b --- /dev/null +++ b/go.mod @@ -0,0 +1,8 @@ +module lume-grpc + +go 1.16 + +require ( + google.golang.org/grpc v1.39.0 // indirect + google.golang.org/protobuf v1.25.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..4498048 --- /dev/null +++ b/go.sum @@ -0,0 +1,107 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY= +github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= +github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= +github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= +github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk= +github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs= +github.com/davecgh/go-spew 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DO NOT EDIT. +// versions: +// protoc-gen-go v1.26.0 +// protoc v3.14.0 +// source: ping/ping.proto + +package ping + +import ( + protoreflect "google.golang.org/protobuf/reflect/protoreflect" + protoimpl "google.golang.org/protobuf/runtime/protoimpl" + reflect "reflect" + sync "sync" +) + +const ( + // Verify that this generated code is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion) + // Verify that runtime/protoimpl is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20) +) + +type PingRequest struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Seq uint32 `protobuf:"varint,1,opt,name=seq,proto3" json:"seq,omitempty"` + Data string `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"` +} + +func (x *PingRequest) Reset() { + *x = PingRequest{} + if protoimpl.UnsafeEnabled { + mi := &file_ping_ping_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *PingRequest) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*PingRequest) ProtoMessage() {} + +func (x *PingRequest) ProtoReflect() protoreflect.Message { + mi := &file_ping_ping_proto_msgTypes[0] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use PingRequest.ProtoReflect.Descriptor instead. +func (*PingRequest) Descriptor() ([]byte, []int) { + return file_ping_ping_proto_rawDescGZIP(), []int{0} +} + +func (x *PingRequest) GetSeq() uint32 { + if x != nil { + return x.Seq + } + return 0 +} + +func (x *PingRequest) GetData() string { + if x != nil { + return x.Data + } + return "" +} + +type PingResponse struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Seq uint32 `protobuf:"varint,1,opt,name=seq,proto3" json:"seq,omitempty"` + Data string `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"` +} + +func (x *PingResponse) Reset() { + *x = PingResponse{} + if protoimpl.UnsafeEnabled { + mi := &file_ping_ping_proto_msgTypes[1] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *PingResponse) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*PingResponse) ProtoMessage() {} + +func (x *PingResponse) ProtoReflect() protoreflect.Message { + mi := &file_ping_ping_proto_msgTypes[1] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use PingResponse.ProtoReflect.Descriptor instead. +func (*PingResponse) Descriptor() ([]byte, []int) { + return file_ping_ping_proto_rawDescGZIP(), []int{1} +} + +func (x *PingResponse) GetSeq() uint32 { + if x != nil { + return x.Seq + } + return 0 +} + +func (x *PingResponse) GetData() string { + if x != nil { + return x.Data + } + return "" +} + +var File_ping_ping_proto protoreflect.FileDescriptor + +var file_ping_ping_proto_rawDesc = []byte{ + 0x0a, 0x0f, 0x70, 0x69, 0x6e, 0x67, 0x2f, 0x70, 0x69, 0x6e, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, + 0x6f, 0x12, 0x04, 0x70, 0x69, 0x6e, 0x67, 0x22, 0x33, 0x0a, 0x0b, 0x50, 0x69, 0x6e, 0x67, 0x52, + 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x10, 0x0a, 0x03, 0x73, 0x65, 0x71, 0x18, 0x01, 0x20, + 0x01, 0x28, 0x0d, 0x52, 0x03, 0x73, 0x65, 0x71, 0x12, 0x12, 0x0a, 0x04, 0x64, 0x61, 0x74, 0x61, + 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x64, 0x61, 0x74, 0x61, 0x22, 0x34, 0x0a, 0x0c, + 0x50, 0x69, 0x6e, 0x67, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x10, 0x0a, 0x03, + 0x73, 0x65, 0x71, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x03, 0x73, 0x65, 0x71, 0x12, 0x12, + 0x0a, 0x04, 0x64, 0x61, 0x74, 0x61, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x64, 0x61, + 0x74, 0x61, 0x32, 0x37, 0x0a, 0x04, 0x70, 0x69, 0x6e, 0x67, 0x12, 0x2f, 0x0a, 0x04, 0x50, 0x69, + 0x6e, 0x67, 0x12, 0x11, 0x2e, 0x70, 0x69, 0x6e, 0x67, 0x2e, 0x50, 0x69, 0x6e, 0x67, 0x52, 0x65, + 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x12, 0x2e, 0x70, 0x69, 0x6e, 0x67, 0x2e, 0x50, 0x69, 0x6e, + 0x67, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x10, 0x5a, 0x0e, 0x6c, + 0x75, 0x6d, 0x65, 0x2d, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x70, 0x69, 0x6e, 0x67, 0x62, 0x06, 0x70, + 0x72, 0x6f, 0x74, 0x6f, 0x33, +} + +var ( + file_ping_ping_proto_rawDescOnce sync.Once + file_ping_ping_proto_rawDescData = file_ping_ping_proto_rawDesc +) + +func file_ping_ping_proto_rawDescGZIP() []byte { + file_ping_ping_proto_rawDescOnce.Do(func() { + file_ping_ping_proto_rawDescData = protoimpl.X.CompressGZIP(file_ping_ping_proto_rawDescData) + }) + return file_ping_ping_proto_rawDescData +} + +var file_ping_ping_proto_msgTypes = make([]protoimpl.MessageInfo, 2) +var file_ping_ping_proto_goTypes = []interface{}{ + (*PingRequest)(nil), // 0: ping.PingRequest + (*PingResponse)(nil), // 1: ping.PingResponse +} +var file_ping_ping_proto_depIdxs = []int32{ + 0, // 0: ping.ping.Ping:input_type -> ping.PingRequest + 1, // 1: ping.ping.Ping:output_type -> ping.PingResponse + 1, // [1:2] is the sub-list for method output_type + 0, // [0:1] is the sub-list for method input_type + 0, // [0:0] is the sub-list for extension type_name + 0, // [0:0] is the sub-list for extension extendee + 0, // [0:0] is the sub-list for field type_name +} + +func init() { file_ping_ping_proto_init() } +func file_ping_ping_proto_init() { + if File_ping_ping_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_ping_ping_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*PingRequest); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_ping_ping_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*PingResponse); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + } + type x struct{} + out := protoimpl.TypeBuilder{ + File: protoimpl.DescBuilder{ + GoPackagePath: reflect.TypeOf(x{}).PkgPath(), + RawDescriptor: file_ping_ping_proto_rawDesc, + NumEnums: 0, + NumMessages: 2, + NumExtensions: 0, + NumServices: 1, + }, + GoTypes: file_ping_ping_proto_goTypes, + DependencyIndexes: file_ping_ping_proto_depIdxs, + MessageInfos: file_ping_ping_proto_msgTypes, + }.Build() + File_ping_ping_proto = out.File + file_ping_ping_proto_rawDesc = nil + file_ping_ping_proto_goTypes = nil + file_ping_ping_proto_depIdxs = nil +} diff --git a/ping/ping.proto b/ping/ping.proto new file mode 100644 index 0000000..f1a3d39 --- /dev/null +++ b/ping/ping.proto @@ -0,0 +1,19 @@ +syntax = "proto3"; + +option go_package = "lume-grpc/ping"; + +package ping; + +service ping { + rpc Ping(PingRequest) returns (PingResponse) {} +} + +message PingRequest { + uint32 seq = 1; + string data = 2; +} + +message PingResponse { + uint32 seq = 1; + string data = 2; +} diff --git a/ping/ping_grpc.pb.go b/ping/ping_grpc.pb.go new file mode 100644 index 0000000..d4d590a --- /dev/null +++ b/ping/ping_grpc.pb.go @@ -0,0 +1,101 @@ +// Code generated by protoc-gen-go-grpc. DO NOT EDIT. + +package ping + +import ( + context "context" + grpc "google.golang.org/grpc" + codes "google.golang.org/grpc/codes" + status "google.golang.org/grpc/status" +) + +// This is a compile-time assertion to ensure that this generated file +// is compatible with the grpc package it is being compiled against. +// Requires gRPC-Go v1.32.0 or later. +const _ = grpc.SupportPackageIsVersion7 + +// PingClient is the client API for Ping service. +// +// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream. +type PingClient interface { + Ping(ctx context.Context, in *PingRequest, opts ...grpc.CallOption) (*PingResponse, error) +} + +type pingClient struct { + cc grpc.ClientConnInterface +} + +func NewPingClient(cc grpc.ClientConnInterface) PingClient { + return &pingClient{cc} +} + +func (c *pingClient) Ping(ctx context.Context, in *PingRequest, opts ...grpc.CallOption) (*PingResponse, error) { + out := new(PingResponse) + err := c.cc.Invoke(ctx, "/ping.ping/Ping", in, out, opts...) + if err != nil { + return nil, err + } + return out, nil +} + +// PingServer is the server API for Ping service. +// All implementations must embed UnimplementedPingServer +// for forward compatibility +type PingServer interface { + Ping(context.Context, *PingRequest) (*PingResponse, error) + mustEmbedUnimplementedPingServer() +} + +// UnimplementedPingServer must be embedded to have forward compatible implementations. +type UnimplementedPingServer struct { +} + +func (UnimplementedPingServer) Ping(context.Context, *PingRequest) (*PingResponse, error) { + return nil, status.Errorf(codes.Unimplemented, "method Ping not implemented") +} +func (UnimplementedPingServer) mustEmbedUnimplementedPingServer() {} + +// UnsafePingServer may be embedded to opt out of forward compatibility for this service. +// Use of this interface is not recommended, as added methods to PingServer will +// result in compilation errors. +type UnsafePingServer interface { + mustEmbedUnimplementedPingServer() +} + +func RegisterPingServer(s grpc.ServiceRegistrar, srv PingServer) { + s.RegisterService(&Ping_ServiceDesc, srv) +} + +func _Ping_Ping_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) { + in := new(PingRequest) + if err := dec(in); err != nil { + return nil, err + } + if interceptor == nil { + return srv.(PingServer).Ping(ctx, in) + } + info := &grpc.UnaryServerInfo{ + Server: srv, + FullMethod: "/ping.ping/Ping", + } + handler := func(ctx context.Context, req interface{}) (interface{}, error) { + return srv.(PingServer).Ping(ctx, req.(*PingRequest)) + } + return interceptor(ctx, in, info, handler) +} + +// Ping_ServiceDesc is the grpc.ServiceDesc for Ping service. +// It's only intended for direct use with grpc.RegisterService, +// and not to be introspected or modified (even as a copy) +var Ping_ServiceDesc = grpc.ServiceDesc{ + ServiceName: "ping.ping", + HandlerType: (*PingServer)(nil), + Methods: []grpc.MethodDesc{ + { + MethodName: "Ping", + Handler: _Ping_Ping_Handler, + }, + }, + Streams: []grpc.StreamDesc{}, + Metadata: "ping/ping.proto", +} diff --git a/ping_client/main.go b/ping_client/main.go new file mode 100644 index 0000000..eb71e7f --- /dev/null +++ b/ping_client/main.go @@ -0,0 +1,58 @@ +package main + +import ( + "context" + "fmt" + "log" + "os" + "time" + + "google.golang.org/grpc" + + pb "lume-grpc/ping" +) + +const ( + address = "localhost:50051" +) + +func genPayload(s int) string { + var p string + var start int = 60 + for i := start; i < (start + s); i++ { + p += string(i) + } + return p +} + +func main() { + var i uint32 + ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second) + defer cancel() + + data := genPayload(64) + if len(os.Args) > 1 { + data = os.Args[1] + } + conn, err := grpc.DialContext(ctx, address, grpc.WithInsecure(), grpc.WithBlock()) + if err != nil { + log.Fatalf("did not connect: %v", err) + } + defer conn.Close() + c := pb.NewPingClient(conn) + + for i = 1; ; i++ { + rtt := time.Now() + ctx, cancel = context.WithTimeout(context.Background(), 10*time.Second) + r, err := c.Ping(ctx, &pb.PingRequest{Data: data, Seq: i}) + if err != nil { + log.Printf("could not connect to: %v", err) + time.Sleep(1 * time.Second) + continue + } + // log.Printf("%d characters roundtrip to (%s): seq=%d time=%s", len(r.Data), address, r.Seq, time.Since(rtt)) + fmt.Printf("%d bytes from %s: seq=%d time=%s\n", len(r.Data), address, r.Seq, time.Since(rtt)) + //log.Printf("Received: %v", r.Data) + time.Sleep(1 * time.Second) + } +} diff --git a/ping_server/main.go b/ping_server/main.go new file mode 100644 index 0000000..dcaf3ff --- /dev/null +++ b/ping_server/main.go @@ -0,0 +1,48 @@ +package main + +import ( + "context" + "log" + "net" + + "google.golang.org/grpc" + "google.golang.org/grpc/reflection" + + pb "lume-grpc/ping" +) + +const ( + port = ":50051" +) + +type server struct { + pb.UnimplementedPingServer +} + +func Reverse(s string) string { + runes := []rune(s) + for i, j := 0, len(runes)-1; i < j; i, j = i+1, j-1 { + runes[i], runes[j] = runes[j], runes[i] + } + return string(runes) +} + +func (s *server) Ping(ctx context.Context, req *pb.PingRequest) (*pb.PingResponse, error) { + log.Printf("Received: %v", req.Data) + return &pb.PingResponse{Data: Reverse(req.Data), Seq: req.Seq}, nil +} + +func main() { + lis, err := net.Listen("tcp", port) + if err != nil { + log.Fatalf("failed to listen: %v", err) + } + + s := grpc.NewServer() + pb.RegisterPingServer(s, &server{}) + log.Printf("server listening at %v", lis.Addr()) + reflection.Register(s) + if err := s.Serve(lis); err != nil { + log.Fatalf("failed to serve: %v", err) + } +}