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
23namespace android {
24namespace net {
25
26class NetlinkHandler;
27
28class NetlinkManager {
29private:
30    static NetlinkManager *sInstance;
31
32private:
33    SocketListener       *mBroadcaster;
34    NetlinkHandler       *mUeventHandler;
35    NetlinkHandler       *mRouteHandler;
36    NetlinkHandler       *mQuotaHandler;
37    NetlinkHandler       *mStrictHandler;
38    int                  mUeventSock;
39    int                  mRouteSock;
40    int                  mQuotaSock;
41    int                  mStrictSock;
42
43public:
44    virtual ~NetlinkManager();
45
46    int start();
47    int stop();
48
49    void setBroadcaster(SocketListener *sl) { mBroadcaster = sl; }
50    SocketListener *getBroadcaster() { return mBroadcaster; }
51
52    static NetlinkManager *Instance();
53
54    /* Group used by xt_quota2 */
55    static const int NFLOG_QUOTA_GROUP;
56    /* Group used by StrictController rules */
57    static const int NETFILTER_STRICT_GROUP;
58
59private:
60    NetlinkManager();
61    NetlinkHandler* setupSocket(int *sock, int netlinkFamily, int groups,
62        int format, bool configNflog);
63};
64
65}  // namespace net
66}  // namespace android
67
68#endif
69