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/*
* 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.
*/
#ifndef _CONTROLLER_H
#define _CONTROLLER_H
#include <unistd.h>
#include <sys/types.h>
#include "../../../frameworks/base/include/utils/List.h"
#include "PropertyCollection.h"
class Controller {
private:
const char *mName;
const char *mPropertyPrefix;
PropertyCollection *mProperties;
bool mEnabled;
public:
Controller(const char *name, const char *prefix);
virtual ~Controller() {}
virtual int start();
virtual int stop();
virtual const PropertyCollection &getProperties();
virtual int setProperty(const char *name, char *value);
virtual const char *getProperty(const char *name, char *buffer, size_t maxsize);
const char *getName() { return mName; }
const char *getPropertyPrefix() { return mPropertyPrefix; }
protected:
int loadKernelModule(char *modpath, const char *args);
bool isKernelModuleLoaded(const char *modtag);
int unloadKernelModule(const char *modtag);
int registerProperty(const char *name);
int unregisterProperty(const char *name);
private:
void *loadFile(char *filename, unsigned int *_size);
virtual int enable() = 0;
virtual int disable() = 0;
};
typedef android::List<Controller *> ControllerCollection;
#endif
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