xref: /tonic/examples/proto/echo/echo.proto (revision d9a481ba) 
1/*
2 *
3 * Copyright 2018 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19 syntax = "proto3";
20
21 package grpc.examples.echo;
22
23 // EchoRequest is the request for echo.
24 message EchoRequest {
25   string message = 1;
26 }
27
28 // EchoResponse is the response for echo.
29 message EchoResponse {
30   string message = 1;
31 }
32
33 // Echo is the echo service.
34 service Echo {
35   // UnaryEcho is unary echo.
36   rpc UnaryEcho(EchoRequest) returns (EchoResponse) {}
37   // ServerStreamingEcho is server side streaming.
38   rpc ServerStreamingEcho(EchoRequest) returns (stream EchoResponse) {}
39   // ClientStreamingEcho is client side streaming.
40   rpc ClientStreamingEcho(stream EchoRequest) returns (EchoResponse) {}
41   // BidirectionalStreamingEcho is bidi streaming.
42   rpc BidirectionalStreamingEcho(stream EchoRequest) returns (stream EchoResponse) {}
43 }