1 /* 2 * Copyright 2018, 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 #pragma once 18 19 #include "pollable.h" 20 #include "result.h" 21 22 #include <unordered_map> 23 #include <vector> 24 25 class Command; 26 27 class Commander : public Pollable { 28 public: 29 Commander(); 30 ~Commander(); 31 32 Result init(); 33 34 void registerCommand(const char* commandStr, Command* command); 35 36 void getPollData(std::vector<pollfd>* fds) const override; 37 Timestamp getTimeout() const override; 38 bool onReadAvailable(int fd, int* status) override; 39 bool onClose(int fd, int* status) override; 40 bool onTimeout(int* status) override; 41 private: 42 void openPipe(); 43 void closePipe(); 44 45 int mPipeFd; 46 Pollable::Timestamp mDeadline; 47 std::vector<char> mReceiveBuffer; 48 std::unordered_map<std::string, Command*> mCommands; 49 }; 50
