// Copyright 2021 gRPC 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
//
//     http://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.

// A simple RPC service that echos what the client passes in. The request and
// the response simply contains the text represented in a string.
//
// This service is for end-to-end testing with fake binder tunnels.
syntax = "proto3";

// TODO(waynetu): This can be replaced by EchoTestService in
// src/proto/grpc/testing/echo.proto
package grpc_binder.end2end_testing;

message EchoRequest {
  string text = 1;
}

message EchoResponse {
  string text = 1;
}

service EchoService {
  rpc EchoUnaryCall(EchoRequest) returns (EchoResponse);
  rpc EchoServerStreamingCall(EchoRequest) returns (stream EchoResponse);
  rpc EchoClientStreamingCall(stream EchoRequest) returns (EchoResponse);
  rpc EchoBiDirStreamingCall(stream EchoRequest) returns (stream EchoResponse);
}
