1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef INCLUDE_PERFETTO_TRACING_IPC_PRODUCER_IPC_CLIENT_H_ 18 #define INCLUDE_PERFETTO_TRACING_IPC_PRODUCER_IPC_CLIENT_H_ 19 20 #include <memory> 21 #include <string> 22 23 #include "perfetto/tracing/core/service.h" 24 25 namespace perfetto { 26 27 class Producer; 28 29 // Allows to connect to a remote Service through a UNIX domain socket. 30 // Exposed to: 31 // Producer(s) of the tracing library. 32 // Implemented in: 33 // src/tracing/ipc/producer/producer_ipc_client_impl.cc 34 class ProducerIPCClient { 35 public: 36 // Connects to the producer port of the Service listening on the given 37 // |service_sock_name|. If the connection is successful, the OnConnect() 38 // method will be invoked asynchronously on the passed Producer interface. 39 // If the connection fails, OnDisconnect() will be invoked instead. 40 // The returned ProducerEndpoint serves also to delimit the scope of the 41 // callbacks invoked on the Producer interface: no more Producer callbacks are 42 // invoked immediately after its destruction and any pending callback will be 43 // dropped. 44 static std::unique_ptr<Service::ProducerEndpoint> Connect( 45 const char* service_sock_name, 46 Producer*, 47 const std::string& producer_name, 48 base::TaskRunner*); 49 50 protected: 51 ProducerIPCClient() = delete; 52 }; 53 54 } // namespace perfetto 55 56 #endif // INCLUDE_PERFETTO_TRACING_IPC_PRODUCER_IPC_CLIENT_H_ 57
