1 /* Copyright 2016 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 #ifndef TENSORFLOW_CORE_DISTRIBUTED_RUNTIME_RPC_ASYNC_SERVICE_INTERFACE_H_ 17 #define TENSORFLOW_CORE_DISTRIBUTED_RUNTIME_RPC_ASYNC_SERVICE_INTERFACE_H_ 18 19 namespace tensorflow { 20 21 // Represents an abstract asynchronous service that handles incoming 22 // RPCs with a polling loop. 23 class AsyncServiceInterface { 24 public: ~AsyncServiceInterface()25 virtual ~AsyncServiceInterface() {} 26 27 // A blocking method that should be called to handle incoming RPCs. 28 // This method will block until the service shuts down. 29 virtual void HandleRPCsLoop() = 0; 30 31 // Starts shutting down this service. 32 // 33 // NOTE(mrry): To shut down this service completely, the caller must 34 // also shut down any servers that might share ownership of this 35 // service's resources (e.g. completion queues). 36 virtual void Shutdown() = 0; 37 }; 38 39 } // namespace tensorflow 40 41 #endif // TENSORFLOW_CORE_DISTRIBUTED_RUNTIME_RPC_ASYNC_SERVICE_INTERFACE_H_ 42