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				|  |  | +// An integration test service that covers all the method signature permutations
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				|  |  | +// of unary/streaming requests/responses.
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				|  |  | +syntax = "proto2";
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				|  |  | +
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				|  |  | +package grpc.testing;
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				|  |  | +
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				|  |  | +option java_api_version = 2;
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				|  |  | +option cc_api_version = 2;
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				|  |  | +option java_package = "com.google.net.stubby.testing.integration";
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				|  |  | +
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				|  |  | +enum PayloadType {
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				|  |  | +  // Compressable text format.
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				|  |  | +  COMPRESSABLE= 1;
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				|  |  | +
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				|  |  | +  // Uncompressable binary format.
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				|  |  | +  UNCOMPRESSABLE = 2;
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				|  |  | +
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				|  |  | +  // Randomly chosen from all other formats defined in this enum.
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				|  |  | +  RANDOM = 3;
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				|  |  | +}
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				|  |  | +
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				|  |  | +message StatsRequest {
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				|  |  | +  // run number
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				|  |  | +  optional int32 test_num = 1;
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				|  |  | +}
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				|  |  | +
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				|  |  | +message ServerStats {
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				|  |  | +  // wall clock time for timestamp
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				|  |  | +  required double time_now = 1;
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				|  |  | +
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				|  |  | +  // user time used by the server process and threads
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				|  |  | +  required double time_user = 2;
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				|  |  | +
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				|  |  | +  // server time used by the server process and all threads
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				|  |  | +  required double time_system = 3;
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				|  |  | +
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				|  |  | +  // RPC count so far
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				|  |  | +  optional int32 num_rpcs = 4;
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				|  |  | +}
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				|  |  | +
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				|  |  | +message Payload {
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				|  |  | +  // The type of data in body.
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				|  |  | +  optional PayloadType type = 1;
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				|  |  | +  // Primary contents of payload.
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				|  |  | +  optional bytes body = 2;
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				|  |  | +}
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				|  |  | +
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				|  |  | +message Latencies {
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				|  |  | +  required double l_50 = 1;
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				|  |  | +  required double l_90 = 2;
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				|  |  | +  required double l_99 = 3;
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				|  |  | +  required double l_999 = 4;
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				|  |  | +}
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				|  |  | +
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				|  |  | +message StartArgs {
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				|  |  | +  required string server_host = 1;
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				|  |  | +  required int32 server_port = 2;
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				|  |  | +  optional bool enable_ssl = 3 [default = false];
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				|  |  | +  optional int32 client_threads = 4 [default = 1];
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				|  |  | +  optional int32 client_channels = 5 [default = -1];
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				|  |  | +  optional int32 num_rpcs = 6 [default = 1];
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				|  |  | +  optional int32 payload_size = 7 [default = 1];
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				|  |  | +}
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				|  |  | +
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				|  |  | +message StartResult {
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				|  |  | +  required Latencies latencies = 1;
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				|  |  | +  required int32 num_rpcs = 2;
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				|  |  | +  required double time_elapsed = 3;
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				|  |  | +  required double time_user = 4;
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				|  |  | +  required double time_system = 5;
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				|  |  | +}
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				|  |  | +
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				|  |  | +message SimpleRequest {
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				|  |  | +  // Desired payload type in the response from the server.
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				|  |  | +  // If response_type is RANDOM, server randomly chooses one from other formats.
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				|  |  | +  optional PayloadType response_type = 1 [default=COMPRESSABLE];
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				|  |  | +
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				|  |  | +  // Desired payload size in the response from the server.
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				|  |  | +  // If response_type is COMPRESSABLE, this denotes the size before compression.
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				|  |  | +  optional int32 response_size = 2;
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				|  |  | +
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				|  |  | +  // Optional input payload sent along with the request.
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				|  |  | +  optional Payload payload = 3;
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				|  |  | +}
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				|  |  | +
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				|  |  | +message SimpleResponse {
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				|  |  | +  optional Payload payload = 1;
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				|  |  | +}
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				|  |  | +
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				|  |  | +message StreamingInputCallRequest {
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				|  |  | +  // Optional input payload sent along with the request.
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				|  |  | +  optional Payload payload = 1;
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				|  |  | +
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				|  |  | +  // Not expecting any payload from the response.
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				|  |  | +}
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				|  |  | +
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				|  |  | +message StreamingInputCallResponse {
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				|  |  | +  // Aggregated size of payloads received from the client.
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				|  |  | +  optional int32 aggregated_payload_size = 1;
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				|  |  | +}
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				|  |  | +
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				|  |  | +message ResponseParameters {
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				|  |  | +  // Desired payload sizes in responses from the server.
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				|  |  | +  // If response_type is COMPRESSABLE, this denotes the size before compression.
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				|  |  | +  required int32 size = 1;
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				|  |  | +
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				|  |  | +  // Desired interval between consecutive responses in the response stream in
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				|  |  | +  // microseconds.
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				|  |  | +  required int32 interval_us = 2;
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				|  |  | +}
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				|  |  | +
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				|  |  | +message StreamingOutputCallRequest {
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				|  |  | +  // Desired payload type in the response from the server.
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				|  |  | +  // If response_type is RANDOM, the payload from each response in the stream
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				|  |  | +  // might be of different types. This is to simulate a mixed type of payload
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				|  |  | +  // stream.
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				|  |  | +  optional PayloadType response_type = 1 [default=COMPRESSABLE];
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				|  |  | +
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				|  |  | +  repeated ResponseParameters response_parameters = 2;
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				|  |  | +
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				|  |  | +  // Optional input payload sent along with the request.
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				|  |  | +  optional Payload payload = 3;
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				|  |  | +}
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				|  |  | +
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				|  |  | +message StreamingOutputCallResponse {
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				|  |  | +  optional Payload payload = 1;
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				|  |  | +}
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				|  |  | +
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				|  |  | +service TestService {
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				|  |  | +  // Start test with specified workload
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				|  |  | +  rpc StartTest(StartArgs) returns (Latencies);
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				|  |  | +
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				|  |  | +  // Collect stats from server, ignore request content
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				|  |  | +  rpc CollectServerStats(StatsRequest) returns (ServerStats);
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				|  |  | +
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				|  |  | +  // One request followed by one response.
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				|  |  | +  // The server returns the client payload as-is.
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				|  |  | +  rpc UnaryCall(SimpleRequest) returns (SimpleResponse);
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				|  |  | +
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				|  |  | +  // One request followed by a sequence of responses (streamed download).
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				|  |  | +  // The server returns the payload with client desired type and sizes.
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				|  |  | +  rpc StreamingOutputCall(StreamingOutputCallRequest)
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				|  |  | +      returns (stream StreamingOutputCallResponse);
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				|  |  | +
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				|  |  | +  // A sequence of requests followed by one response (streamed upload).
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				|  |  | +  // The server returns the aggregated size of client payload as the result.
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				|  |  | +  rpc StreamingInputCall(stream StreamingInputCallRequest)
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				|  |  | +      returns (StreamingInputCallResponse);
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				|  |  | +
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				|  |  | +  // A sequence of requests with each request served by the server immediately.
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				|  |  | +  // As one request could lead to multiple responses, this interface
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				|  |  | +  // demonstrates the idea of full duplexing.
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				|  |  | +  rpc FullDuplexCall(stream StreamingOutputCallRequest)
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				|  |  | +      returns (stream StreamingOutputCallResponse);
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				|  |  | +
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				|  |  | +  // A sequence of requests followed by a sequence of responses.
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				|  |  | +  // The server buffers all the client requests and then serves them in order. A
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				|  |  | +  // stream of responses are returned to the client when the server starts with
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				|  |  | +  // first request.
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				|  |  | +  rpc HalfDuplexCall(stream StreamingOutputCallRequest)
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				|  |  | +      returns (stream StreamingOutputCallResponse);
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				|  |  | +}
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