// Copyright 2015 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.

// An integration test service that covers all the method signature permutations
// of unary/streaming requests/responses.
syntax = "proto3";

import "grpc/testing/messages.proto";

package grpc.testing;

option java_multiple_files = true;
option java_package = "io.grpc.testing";
option java_outer_classname = "BenchmarkServiceProto";

service BenchmarkService {
  // One request followed by one response.
  // The server returns the client payload as-is.
  rpc UnaryCall(SimpleRequest) returns (SimpleResponse);

  // Repeated sequence of one request followed by one response.
  // Should be called streaming ping-pong
  // The server returns the client payload as-is on each response
  rpc StreamingCall(stream SimpleRequest) returns (stream SimpleResponse);

  // Single-sided unbounded streaming from client to server
  // The server returns the client payload as-is once the client does WritesDone
  rpc StreamingFromClient(stream SimpleRequest) returns (SimpleResponse);

  // Single-sided unbounded streaming from server to client
  // The server repeatedly returns the client payload as-is
  rpc StreamingFromServer(SimpleRequest) returns (stream SimpleResponse);

  // Two-sided unbounded streaming between server to client
  // Both sides send the content of their own choice to the other
  rpc StreamingBothWays(stream SimpleRequest) returns (stream SimpleResponse);
}
