NetlinkManager.h revision 6337b88ce4438d224819e9b381ddaf2873bbfdda 
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 _NETLINKMANAGER_H
18#define _NETLINKMANAGER_H
19
20#include <sysutils/SocketListener.h>
21#include <sysutils/NetlinkListener.h>
22
23
24class NetlinkHandler;
25
26class NetlinkManager {
27private:
28    static NetlinkManager *sInstance;
29
30private:
31    SocketListener       *mBroadcaster;
32    NetlinkHandler       *mUeventHandler;
33    NetlinkHandler       *mRouteHandler;
34    NetlinkHandler       *mQuotaHandler;
35    NetlinkHandler       *mIfaceIdleTimerHandler;
36    int                  mUeventSock;
37    int                  mRouteSock;
38    int                  mQuotaSock;
39    int                  mIfaceIdleTimerSock;
40
41public:
42    virtual ~NetlinkManager();
43
44    int start();
45    int stop();
46
47    void setBroadcaster(SocketListener *sl) { mBroadcaster = sl; }
48    SocketListener *getBroadcaster() { return mBroadcaster; }
49
50    static NetlinkManager *Instance();
51
52    /* This is the nflog group arg that the xt_quota2 neftiler will use. */
53    static const int NFLOG_QUOTA_GROUP;
54
55    /* This is the group that the xt_IDLETIMER netfilter will use. */
56    static const int IDLETIMER_GROUP;
57
58private:
59    NetlinkManager();
60    NetlinkHandler* setupSocket(int *sock, int netlinkFamily, int groups,
61        int format);
62};
63#endif
64