compiler/src/test/proto/test.proto

// A simple service definition for testing the protoc plugin.
syntax = "proto3";

package grpc.testing;

option java_package = "io.grpc.testing.integration";

message SimpleRequest {
}

message SimpleResponse {
}

message StreamingInputCallRequest {
}

message StreamingInputCallResponse {
}

message StreamingOutputCallRequest {
}

message StreamingOutputCallResponse {
}

service TestService {
  // 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);
}