/* // Copyright (c) 2014 Intel Corporation // // 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. */ #ifndef UEVENT_OBSERVER_H #define UEVENT_OBSERVER_H #include <utils/KeyedVector.h> #include <utils/String8.h> #include <common/base/SimpleThread.h> namespace android { namespace intel { typedef void (*UeventListenerFunc)(void *data); class UeventObserver { public: UeventObserver(); virtual ~UeventObserver(); public: bool initialize(); void deinitialize(); void start(); void registerListener(const char *event, UeventListenerFunc func, void *data); private: DECLARE_THREAD(UeventObserverThread, UeventObserver); void onUevent(); private: enum { UEVENT_MSG_LEN = 4096, }; char mUeventMessage[UEVENT_MSG_LEN]; int mUeventFd; int mExitRDFd; int mExitWDFd; struct UeventListener { UeventListenerFunc func; void *data; }; KeyedVector<String8, UeventListener*> mListeners; }; } // namespace intel } // namespace android #endif