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 SRC_TRACING_IPC_SERVICE_SERVICE_IPC_HOST_IMPL_H_ 18 #define SRC_TRACING_IPC_SERVICE_SERVICE_IPC_HOST_IMPL_H_ 19 20 #include <memory> 21 22 #include "perfetto/ext/tracing/ipc/service_ipc_host.h" 23 24 namespace perfetto { 25 26 namespace ipc { 27 class Host; 28 } 29 30 // The implementation of the IPC host for the tracing service. This class does 31 // very few things: it mostly initializes the IPC transport. The actual 32 // implementation of the IPC <> Service business logic glue lives in 33 // producer_ipc_service.cc and consumer_ipc_service.cc. 34 class ServiceIPCHostImpl : public ServiceIPCHost { 35 public: 36 explicit ServiceIPCHostImpl(base::TaskRunner*, 37 TracingService::InitOpts init_opts = {}); 38 ~ServiceIPCHostImpl() override; 39 40 // ServiceIPCHost implementation. 41 bool Start(std::list<ListenEndpoint> producer_sockets, 42 ListenEndpoint consumer_socket) override; 43 44 TracingService* service() const override; 45 46 private: 47 bool DoStart(); 48 void Shutdown(); 49 50 base::TaskRunner* const task_runner_; 51 const TracingService::InitOpts init_opts_; 52 std::unique_ptr<TracingService> svc_; // The service business logic. 53 54 // The IPC hosts that listen on the Producer sockets. They own the 55 // PosixServiceProducerPort instances which deal with all producers' IPC(s). 56 // Note that there can be multiple producer sockets if it's specified in the 57 // producer socket name (e.g. for listening both on vsock for VMs and AF_UNIX 58 // for processes on the same machine). 59 std::vector<std::unique_ptr<ipc::Host>> producer_ipc_ports_; 60 61 // As above, but for the Consumer port. 62 std::unique_ptr<ipc::Host> consumer_ipc_port_; 63 }; 64 65 } // namespace perfetto 66 67 #endif // SRC_TRACING_IPC_SERVICE_SERVICE_IPC_HOST_IMPL_H_ 68