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/*
* 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 {
public:
enum class Action {
kUnknown = 0,
kAdd = 1,
kRemove = 2,
kChange = 3,
kLinkUp = 4,
kLinkDown = 5,
kAddressUpdated = 6,
kAddressRemoved = 7,
kRdnss = 8,
kRouteUpdated = 9,
kRouteRemoved = 10,
};
private:
int mSeq;
char *mPath;
Action mAction;
char *mSubsystem;
char *mParams[NL_PARAMS_MAX];
public:
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; }
Action 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 parseNfPacketMessage(struct nlmsghdr *nh);
bool parseRtMessage(const struct nlmsghdr *nh);
bool parseNdUserOptMessage(const struct nlmsghdr *nh);
struct nlattr* findNlAttr(const nlmsghdr* nl, size_t hdrlen, uint16_t attr);
};
#endif
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