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/*
*
* (C) 2015-22 - ntop.org
*
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef _NETWORK_STATS_H_
#define _NETWORK_STATS_H_
#include "ntop_includes.h"
class NetworkStats : public NetworkStatsAlertableEntity, public GenericTrafficElement, public Score {
private:
u_int8_t network_id;
u_int32_t numHosts;
TrafficStats ingress, ingress_broadcast; /* outside -> network */
TrafficStats egress, egress_broadcast; /* network -> outside */
TrafficStats inner, inner_broadcast; /* network -> network (local traffic) */
TcpPacketStats tcp_packet_stats_ingress, tcp_packet_stats_egress, tcp_packet_stats_inner;
AlertCounter syn_flood_victim_alert;
AlertCounter flow_flood_victim_alert;
u_int32_t syn_recvd_last_min, synack_sent_last_min; /* syn scan counters (victim) */
#if defined(NTOPNG_PRO)
time_t nextMinPeriodicUpdate;
/* Behavioural analysis regarding the interface */
BehaviorAnalysis *score_behavior, *traffic_tx_behavior, *traffic_rx_behavior;
#endif
static inline void incTcp(TcpPacketStats *tps, u_int32_t ooo_pkts, u_int32_t retr_pkts, u_int32_t lost_pkts, u_int32_t keep_alive_pkts) {
if(ooo_pkts) tps->incOOO(ooo_pkts);
if(retr_pkts) tps->incRetr(retr_pkts);
if(lost_pkts) tps->incLost(lost_pkts);
if(keep_alive_pkts) tps->incKeepAlive(keep_alive_pkts);
}
#ifdef NTOPNG_PRO
void updateBehaviorStats(const struct timeval *tv);
#endif
public:
NetworkStats(NetworkInterface *iface, u_int8_t _network_id);
virtual ~NetworkStats();
inline bool trafficSeen(){
return ingress.getNumPkts() || egress.getNumPkts() || inner.getNumPkts();
};
inline void incIngress(time_t t, u_int64_t num_pkts, u_int64_t num_bytes, bool broadcast) {
rcvd.incStats(t, num_pkts, num_bytes);
ingress.incStats(t, num_pkts, num_bytes);
if(broadcast) ingress_broadcast.incStats(t, num_pkts, num_bytes);
};
inline void incEgress(time_t t, u_int64_t num_pkts, u_int64_t num_bytes, bool broadcast) {
sent.incStats(t, num_pkts, num_bytes);
egress.incStats(t, num_pkts, num_bytes);
if(broadcast) egress_broadcast.incStats(t, num_pkts, num_bytes);
};
inline void incInner(time_t t, u_int64_t num_pkts, u_int64_t num_bytes, bool broadcast) {
sent.incStats(t, num_pkts, num_bytes);
inner.incStats(t, num_pkts, num_bytes);
if(broadcast) inner_broadcast.incStats(t, num_pkts, num_bytes);
};
inline void incIngressTcp(u_int32_t ooo_pkts, u_int32_t retr_pkts, u_int32_t lost_pkts, u_int32_t keep_alive_pkts) {
incTcp(&tcp_packet_stats_ingress, ooo_pkts, retr_pkts, lost_pkts, keep_alive_pkts);
};
inline void incEgressTcp(u_int32_t ooo_pkts, u_int32_t retr_pkts, u_int32_t lost_pkts, u_int32_t keep_alive_pkts) {
incTcp(&tcp_packet_stats_egress, ooo_pkts, retr_pkts, lost_pkts, keep_alive_pkts);
};
inline void incInnerTcp(u_int32_t ooo_pkts, u_int32_t retr_pkts, u_int32_t lost_pkts, u_int32_t keep_alive_pkts) {
incTcp(&tcp_packet_stats_inner, ooo_pkts, retr_pkts, lost_pkts, keep_alive_pkts);
};
inline void incNumHosts() { numHosts++; };
inline void decNumHosts() { numHosts--; };
inline u_int32_t getNumHosts() const { return numHosts; };
void setNetworkId(u_int8_t id);
bool match(const AddressTree * const tree) const;
void lua(lua_State* vm, bool diff = false);
bool serialize(json_object *my_object);
void deserialize(json_object *obj);
void housekeepAlerts(ScriptPeriodicity p);
virtual void updateStats(const struct timeval *tv);
void updateSynAlertsCounter(time_t when, bool syn_sent);
void updateSynAckAlertsCounter(time_t when, bool synack_sent);
void incNumFlows(time_t t, bool as_client);
};
#endif /* _NETWORK_STATS_H_ */
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