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/*
This file is part of Kismet
Kismet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Kismet is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Kismet; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ALERTRACKER_H__
#define __ALERTRACKER_H__
#include "config.h"
#include <stdio.h>
#include <time.h>
#include <list>
#include <map>
#include <vector>
#include <algorithm>
#include <string>
#include "tcpserver.h"
#include "server_protocols.h"
static const int alert_time_unit_conv[] = {
1, 60, 3600, 86400
};
enum alert_time_unit {
sat_second, sat_minute, sat_hour, sat_day
};
class Alertracker {
public:
// A registered alert type
typedef struct alert_rec {
int ref_index;
string header;
// Units limiting is measured in
alert_time_unit limit_unit;
// Alerts per unit
int limit_rate;
// Units burst is measured in
alert_time_unit burst_unit;
// Alerts sent before limiting takes hold
int limit_burst;
// How many alerts have been sent burst-mode (decremented once per unit)
int burst_sent;
// How many have we sent in total?
int total_sent;
// Last time we sent an alert, to tell if we can reset the burst or
// rate counters
time_t time_last;
};
Alertracker();
~Alertracker();
// Tell us where to send packets
void AddTcpServer(TcpServer *in_server);
// Tell us the protocol ref
void AddAlertProtoRef(int in_ref);
// Set the alert backlog
void SetAlertBacklog(int in_backlog);
// Register an alert and get an alert reference number back.
int RegisterAlert(const char *in_header, alert_time_unit in_unit, int in_rate,
alert_time_unit in_burstunit, int in_burst);
// Find a reference from a name
int FetchAlertRef(string in_header);
// Will an alert succeed?
int PotentialAlert(int in_ref);
// Raise an alert
int RaiseAlert(int in_ref,
mac_addr bssid, mac_addr source, mac_addr dest, mac_addr other,
int in_channel, string in_text);
// Send backlogged alerts
void BlitBacklogged(int in_fd);
protected:
// Check and age times
int CheckTimes(alert_rec *arec);
TcpServer *server;
int protoref;
int next_alert_id;
map<string, int> alert_name_map;
map<int, alert_rec *> alert_ref_map;
unsigned int max_backlog;
vector<ALERT_data *> alert_backlog;
};
#endif
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