1/*
2 * Copyright (C) 2008 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#ifndef _CONTROLLER_H
18#define _CONTROLLER_H
19
20#include <unistd.h>
21#include <sys/types.h>
22
23#include <utils/List.h>
24
25class PropertyManager;
26class IControllerHandler;
27
28#include "PropertyManager.h"
29
30class Controller {
31    /*
32     * Name of this controller - WIFI/VPN/USBNET/BTNET/BTDUN/LOOP/etc
33     */
34    char *mName;
35
36    /*
37     * Name of the system ethernet interface which this controller is
38     * bound to.
39     */
40    char *mBoundInterface;
41
42protected:
43    PropertyManager *mPropMngr;
44    IControllerHandler *mHandlers;
45
46public:
47    Controller(const char *name, PropertyManager *propMngr,
48               IControllerHandler *handlers);
49    virtual ~Controller();
50
51    virtual int start();
52    virtual int stop();
53
54    const char *getName() { return mName; }
55    const char *getBoundInterface() { return mBoundInterface; }
56
57protected:
58    int loadKernelModule(char *modpath, const char *args);
59    bool isKernelModuleLoaded(const char *modtag);
60    int unloadKernelModule(const char *modtag);
61    int bindInterface(const char *ifname);
62    int unbindInterface(const char *ifname);
63
64private:
65    void *loadFile(char *filename, unsigned int *_size);
66};
67
68typedef android::List<Controller *> ControllerCollection;
69#endif
70