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#ifndef _NETLINKEVENT_H
17#define _NETLINKEVENT_H
18
19#include <sysutils/NetlinkListener.h>
20
21#define NL_PARAMS_MAX 32
22
23class NetlinkEvent {
24    int  mSeq;
25    char *mPath;
26    int  mAction;
27    char *mSubsystem;
28    char *mParams[NL_PARAMS_MAX];
29
30public:
31    const static int NlActionUnknown;
32    const static int NlActionAdd;
33    const static int NlActionRemove;
34    const static int NlActionChange;
35    const static int NlActionLinkDown;
36    const static int NlActionLinkUp;
37    const static int NlActionAddressUpdated;
38    const static int NlActionAddressRemoved;
39    const static int NlActionRdnss;
40    const static int NlActionRouteUpdated;
41    const static int NlActionRouteRemoved;
42
43    NetlinkEvent();
44    virtual ~NetlinkEvent();
45
46    bool decode(char *buffer, int size, int format = NetlinkListener::NETLINK_FORMAT_ASCII);
47    const char *findParam(const char *paramName);
48
49    const char *getSubsystem() { return mSubsystem; }
50    int getAction() { return mAction; }
51
52    void dump();
53
54 protected:
55    bool parseBinaryNetlinkMessage(char *buffer, int size);
56    bool parseAsciiNetlinkMessage(char *buffer, int size);
57    bool parseIfInfoMessage(const struct nlmsghdr *nh);
58    bool parseIfAddrMessage(const struct nlmsghdr *nh);
59    bool parseUlogPacketMessage(const struct nlmsghdr *nh);
60    bool parseRtMessage(const struct nlmsghdr *nh);
61    bool parseNdUserOptMessage(const struct nlmsghdr *nh);
62};
63
64#endif
65