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// Copyright 2017 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";
option go_package = "google.golang.org/grpc/test/grpc_testing";
package grpc.testing;
message Empty {}
// The type of payload that should be returned.
enum PayloadType {
// Compressable text format.
COMPRESSABLE = 0;
// Uncompressable binary format.
UNCOMPRESSABLE = 1;
// Randomly chosen from all other formats defined in this enum.
RANDOM = 2;
}
// A block of data, to simply increase gRPC message size.
message Payload {
// The type of data in body.
PayloadType type = 1;
// Primary contents of payload.
bytes body = 2;
}
// Unary request.
message SimpleRequest {
// Desired payload type in the response from the server.
// If response_type is RANDOM, server randomly chooses one from other formats.
PayloadType response_type = 1;
// Desired payload size in the response from the server.
// If response_type is COMPRESSABLE, this denotes the size before compression.
int32 response_size = 2;
// Optional input payload sent along with the request.
Payload payload = 3;
// Whether SimpleResponse should include username.
bool fill_username = 4;
// Whether SimpleResponse should include OAuth scope.
bool fill_oauth_scope = 5;
}
// Unary response, as configured by the request.
message SimpleResponse {
// Payload to increase message size.
Payload payload = 1;
// The user the request came from, for verifying authentication was
// successful when the client expected it.
string username = 2;
// OAuth scope.
string oauth_scope = 3;
}
// Client-streaming request.
message StreamingInputCallRequest {
// Optional input payload sent along with the request.
Payload payload = 1;
// Not expecting any payload from the response.
}
// Client-streaming response.
message StreamingInputCallResponse {
// Aggregated size of payloads received from the client.
int32 aggregated_payload_size = 1;
}
// Configuration for a particular response.
message ResponseParameters {
// Desired payload sizes in responses from the server.
// If response_type is COMPRESSABLE, this denotes the size before compression.
int32 size = 1;
// Desired interval between consecutive responses in the response stream in
// microseconds.
int32 interval_us = 2;
}
// Server-streaming request.
message StreamingOutputCallRequest {
// Desired payload type in the response from the server.
// If response_type is RANDOM, the payload from each response in the stream
// might be of different types. This is to simulate a mixed type of payload
// stream.
PayloadType response_type = 1;
// Configuration for each expected response message.
repeated ResponseParameters response_parameters = 2;
// Optional input payload sent along with the request.
Payload payload = 3;
}
// Server-streaming response, as configured by the request and parameters.
message StreamingOutputCallResponse {
// Payload to increase response size.
Payload payload = 1;
}
// A simple service to test the various types of RPCs and experiment with
// performance with various types of payload.
service TestService {
// One empty request followed by one empty response.
rpc EmptyCall(Empty) returns (Empty);
// One request followed by one response.
// The server returns the client payload as-is.
rpc UnaryCall(SimpleRequest) returns (SimpleResponse);
// One request followed by a sequence of responses (streamed download).
// The server returns the payload with client desired type and sizes.
rpc StreamingOutputCall(StreamingOutputCallRequest)
returns (stream StreamingOutputCallResponse);
// A sequence of requests followed by one response (streamed upload).
// The server returns the aggregated size of client payload as the result.
rpc StreamingInputCall(stream StreamingInputCallRequest)
returns (StreamingInputCallResponse);
// A sequence of requests with each request served by the server immediately.
// As one request could lead to multiple responses, this interface
// demonstrates the idea of full duplexing.
rpc FullDuplexCall(stream StreamingOutputCallRequest)
returns (stream StreamingOutputCallResponse);
// A sequence of requests followed by a sequence of responses.
// The server buffers all the client requests and then serves them in order. A
// stream of responses are returned to the client when the server starts with
// first request.
rpc HalfDuplexCall(stream StreamingOutputCallRequest)
returns (stream StreamingOutputCallResponse);
}