1// Copyright 2024 The Pigweed Authors 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); you may not 4// use this file except in compliance with the License. You may obtain a copy of 5// the License at 6// 7// https://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12// License for the specific language governing permissions and limitations under 13// the License. 14 15syntax = "proto3"; 16 17package grpc.examples.echo; 18 19message EchoRequest { 20 string message = 1; 21} 22 23message EchoResponse { 24 string message = 1; 25} 26 27service Echo { 28 rpc UnaryEcho(EchoRequest) returns (EchoResponse) {} 29 rpc ServerStreamingEcho(EchoRequest) returns (stream EchoResponse) {} 30 rpc ClientStreamingEcho(stream EchoRequest) returns (EchoResponse) {} 31 rpc BidirectionalStreamingEcho(stream EchoRequest) 32 returns (stream EchoResponse) {} 33} 34