NetlinkEvent.h revision ec16b9d47cacb0d873ee0ff80c919f49215c0005 
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#define NL_PARAMS_MAX 32
20
21class NetlinkEvent {
22    int  mSeq;
23    char *mPath;
24    int  mAction;
25    char *mSubsystem;
26    char *mParams[NL_PARAMS_MAX];
27
28public:
29    const static int NlActionUnknown;
30    const static int NlActionAdd;
31    const static int NlActionRemove;
32    const static int NlActionChange;
33    const static int NlActionLinkDown;
34    const static int NlActionLinkUp;
35
36    NetlinkEvent();
37    virtual ~NetlinkEvent();
38
39    bool decode(char *buffer, int size, int format);
40    const char *findParam(const char *paramName);
41
42    const char *getSubsystem() { return mSubsystem; }
43    int getAction() { return mAction; }
44
45    void dump();
46
47 protected:
48    bool parseBinaryNetlinkMessage(char *buffer, int size);
49    bool parseAsciiNetlinkMessage(char *buffer, int size);
50};
51
52#endif
53