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// Copyright 2019 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.
syntax = "proto3";
package grpc.gateway.testing;
message Empty {}
message EchoRequest {
string message = 1;
}
message EchoResponse {
string message = 1;
int32 message_count = 2;
}
// Request type for server side streaming echo.
message ServerStreamingEchoRequest {
// Message string for server streaming request.
string message = 1;
// The total number of messages to be generated before the server
// closes the stream; default is 10.
int32 message_count = 2;
// The interval (ms) between two server messages. The server implementation
// may enforce some minimum interval (e.g. 100ms) to avoid message overflow.
int32 message_interval = 3;
}
// Response type for server streaming response.
message ServerStreamingEchoResponse {
// Response message.
string message = 1;
}
// Request type for client side streaming echo.
message ClientStreamingEchoRequest {
// A special value "" indicates that there's no further messages.
string message = 1;
}
// Response type for client side streaming echo.
message ClientStreamingEchoResponse {
// Total number of client messages that have been received.
int32 message_count = 1;
}
// A simple echo service.
service EchoService {
// One request followed by one response
// The server returns the client message as-is.
rpc Echo(EchoRequest) returns (EchoResponse);
// Sends back abort status.
rpc EchoAbort(EchoRequest) returns (EchoResponse) {}
// One empty request, ZERO processing, followed by one empty response
// (minimum effort to do message serialization).
rpc NoOp(Empty) returns (Empty);
// One request followed by a sequence of responses (streamed download).
// The server will return the same client message repeatedly.
rpc ServerStreamingEcho(ServerStreamingEchoRequest)
returns (stream ServerStreamingEchoResponse);
// One request followed by a sequence of responses (streamed download).
// The server abort directly.
rpc ServerStreamingEchoAbort(ServerStreamingEchoRequest)
returns (stream ServerStreamingEchoResponse) {}
// A sequence of requests followed by one response (streamed upload).
// The server returns the total number of messages as the result.
rpc ClientStreamingEcho(stream ClientStreamingEchoRequest)
returns (ClientStreamingEchoResponse);
// A sequence of requests with each message echoed by the server immediately.
// The server returns the same client messages in order.
// E.g. this is how the speech API works.
rpc FullDuplexEcho(stream EchoRequest) returns (stream EchoResponse);
// A sequence of requests followed by a sequence of responses.
// The server buffers all the client messages and then returns the same
// client messages one by one after the client half-closes the stream.
// This is how an image recognition API may work.
rpc HalfDuplexEcho(stream EchoRequest) returns (stream EchoResponse);
}
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