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 
24 class NetlinkHandler;
25 
26 class NetlinkManager {
27 private:
28     static NetlinkManager *sInstance;
29 
30 private:
31     SocketListener       *mBroadcaster;
32     NetlinkHandler       *mUeventHandler;
33     NetlinkHandler       *mRouteHandler;
34     NetlinkHandler       *mQuotaHandler;
35     NetlinkHandler       *mStrictHandler;
36     int                  mUeventSock;
37     int                  mRouteSock;
38     int                  mQuotaSock;
39     int                  mStrictSock;
40 
41 public:
42     virtual ~NetlinkManager();
43 
44     int start();
45     int stop();
46 
setBroadcaster(SocketListener * sl)47     void setBroadcaster(SocketListener *sl) { mBroadcaster = sl; }
getBroadcaster()48     SocketListener *getBroadcaster() { return mBroadcaster; }
49 
50     static NetlinkManager *Instance();
51 
52     /* Group used by xt_quota2 */
53     static const int NFLOG_QUOTA_GROUP;
54     /* Group used by StrictController rules */
55     static const int NETFILTER_STRICT_GROUP;
56 
57 private:
58     NetlinkManager();
59     NetlinkHandler* setupSocket(int *sock, int netlinkFamily, int groups,
60         int format, bool configNflog);
61 };
62 #endif
63