platform_system_core/include/sysutils/NetlinkEvent.h

65 lines
2.0 KiB
C++

/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _NETLINKEVENT_H
#define _NETLINKEVENT_H
#include <sysutils/NetlinkListener.h>
#define NL_PARAMS_MAX 32
class NetlinkEvent {
int mSeq;
char *mPath;
int mAction;
char *mSubsystem;
char *mParams[NL_PARAMS_MAX];
public:
const static int NlActionUnknown;
const static int NlActionAdd;
const static int NlActionRemove;
const static int NlActionChange;
const static int NlActionLinkDown;
const static int NlActionLinkUp;
const static int NlActionAddressUpdated;
const static int NlActionAddressRemoved;
const static int NlActionRdnss;
const static int NlActionRouteUpdated;
const static int NlActionRouteRemoved;
NetlinkEvent();
virtual ~NetlinkEvent();
bool decode(char *buffer, int size, int format = NetlinkListener::NETLINK_FORMAT_ASCII);
const char *findParam(const char *paramName);
const char *getSubsystem() { return mSubsystem; }
int getAction() { return mAction; }
void dump();
protected:
bool parseBinaryNetlinkMessage(char *buffer, int size);
bool parseAsciiNetlinkMessage(char *buffer, int size);
bool parseIfInfoMessage(const struct nlmsghdr *nh);
bool parseIfAddrMessage(const struct nlmsghdr *nh);
bool parseUlogPacketMessage(const struct nlmsghdr *nh);
bool parseRtMessage(const struct nlmsghdr *nh);
bool parseNdUserOptMessage(const struct nlmsghdr *nh);
};
#endif