// Copyright 2024 The Pigweed Authors
//
// 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
//
//     https://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.

syntax = "proto3";

package grpc.examples.echo;

message EchoRequest {
  string message = 1;
}

message EchoResponse {
  string message = 1;
}

service Echo {
  rpc UnaryEcho(EchoRequest) returns (EchoResponse) {}
  rpc ServerStreamingEcho(EchoRequest) returns (stream EchoResponse) {}
  rpc ClientStreamingEcho(stream EchoRequest) returns (EchoResponse) {}
  rpc BidirectionalStreamingEcho(stream EchoRequest)
      returns (stream EchoResponse) {}
}