/*
// 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 <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