// Copyright 2019, ComgineGRPC
// Licensed under the Apache License, Version 2.0
//
// Scenarios for end to end tests.

syntax = "proto3";

service UnaryScenarios {
  rpc Ok (EchoRequest) returns (EchoResponse);
  rpc FailedPrecondition (EchoRequest) returns (Empty);
  rpc NoResponse (EchoRequest) returns (Empty);
}

service ClientStreamingScenarios {
  rpc Ok (stream EchoRequest) returns (EchoResponse);
  rpc FailedPrecondition (stream EchoRequest) returns (Empty);
  rpc NoResponse (stream EchoRequest) returns (Empty);
}

service ServerStreamingScenarios {
  rpc Ok (EchoRequest) returns (stream EchoResponse);
  rpc FailedPrecondition (EchoRequest) returns (stream Empty);
  rpc NoResponse (EchoRequest) returns (stream Empty);
}

service BidirectionalStreamingScenarios {
  rpc Ok (stream EchoRequest) returns (stream EchoResponse);
  rpc FailedPrecondition (stream EchoRequest) returns (stream Empty);
  rpc NoResponse (stream EchoRequest) returns (stream Empty);
}

service RetryScenarios {
  rpc FailThenSucceed (FailThenSucceedRequest) returns (FailThenSucceedResponse);
  rpc AuthenticatedRpc (EchoRequest) returns (EchoResponse);
}

message EchoRequest {
  string message = 1;
}

message EchoResponse {
  string message = 1;
}

message Empty {}

message FailThenSucceedRequest {
  // Key used to partition failure counts
  string key = 1;
  // Number of failures that the service should respond with before succeeding
  uint32 num_failures = 2;
}

message FailThenSucceedResponse {
  // Number of failures recorded before succeeding
  uint32 num_failures = 1;
}