| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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); |
| } |