| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * Implementation of the user-space ashmem API for devices, which have our |
| * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version, |
| * used by the simulator. |
| */ |
| |
| #include "IPCHandler.h" |
| #include "IPCLog.h" |
| #include "IPCResult.h" |
| #include <unordered_map> |
| |
| namespace { |
| class IPCHandlerImpl : public IPCHandler { |
| public: |
| std::unique_ptr<IPCResult> handle(uint32_t msg, IPCArguments*) override; |
| void registerHandler(int msg, const std::function<std::unique_ptr<IPCResult>(IPCArguments*)>& handler) override; |
| |
| private: |
| typedef std::unordered_map<int, std::function<std::unique_ptr<IPCResult>(IPCArguments*)>> MapType; |
| MapType m_map; |
| }; |
| |
| std::unique_ptr<IPCResult> IPCHandlerImpl::handle(uint32_t msg, IPCArguments* arguments) |
| { |
| auto it = m_map.find(msg); |
| if (it == m_map.end()) { |
| IPC_LOGE("unable to find msg: %d", msg); |
| return createVoidResult(); |
| } |
| return it->second(arguments); |
| } |
| |
| void IPCHandlerImpl::registerHandler(int msg, const std::function<std::unique_ptr<IPCResult>(IPCArguments*)>& handler) |
| { |
| m_map.insert(MapType::value_type(msg, handler)); |
| } |
| } |
| |
| std::unique_ptr<IPCHandler> createIPCHandler() |
| { |
| return std::unique_ptr<IPCHandler>(new IPCHandlerImpl); |
| } |