mirror of
https://github.com/ntop/ntopng.git
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209 lines
10 KiB
C++
209 lines
10 KiB
C++
/*
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*
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* (C) 2013-17 - ntop.org
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef _HOST_H_
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#define _HOST_H_
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#include "ntop_includes.h"
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typedef struct {
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const Flow *flow;
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time_t first;
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time_t last;
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u_int16_t pkts;
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} InterFlowActivityStats;
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class Host : public GenericHost {
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private:
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u_int32_t asn;
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char *symbolic_name, *country, *city, *asname, os[16], trafficCategory[12], *topSitesKey;
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bool blacklisted_host, drop_all_host_traffic, dump_host_traffic, dhcpUpdated;
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u_int32_t host_quota_mb;
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int16_t local_network_id, deviceIfIdx;
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u_int32_t deviceIP;
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float latitude, longitude;
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IpAddress ip;
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Mutex *m;
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Mac *mac;
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time_t nextResolveAttempt, nextSitesUpdate;
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#ifdef NTOPNG_PRO
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CountMinSketch *sent_to_sketch, *rcvd_from_sketch;
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#endif
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AlertCounter *syn_flood_attacker_alert, *syn_flood_victim_alert;
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bool flow_flood_attacker_alert, flow_flood_victim_alert;
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TrafficStats tcp_sent, tcp_rcvd;
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TrafficStats udp_sent, udp_rcvd;
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TrafficStats icmp_sent, icmp_rcvd;
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TrafficStats other_ip_sent, other_ip_rcvd;
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TrafficStats ingress_drops, egress_drops;
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UserActivityStats *user_activities;
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InterFlowActivityStats *ifa_stats;
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PacketStats sent_stats, recv_stats;
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u_int32_t total_num_flows_as_client, total_num_flows_as_server;
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u_int32_t num_active_flows_as_client, num_active_flows_as_server;
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DnsStats *dns;
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HTTPstats *http;
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bool trigger_host_alerts, good_low_flow_detected;
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u_int32_t max_new_flows_sec_threshold, max_num_syn_sec_threshold, max_num_active_flows;
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NetworkStats *networkStats;
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CategoryStats *categoryStats;
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#ifdef NTOPNG_PRO
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L7Policy_t *l7Policy, *l7PolicyShadow;
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#endif
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u_int16_t host_pool;
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struct {
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u_int32_t pktRetr, pktOOO, pktLost;
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} tcpPacketStats; /* Sent packets */
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void initialize(u_int8_t _mac[6], u_int16_t _vlan_id, bool init_all);
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void refreshHTTPBL();
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void computeHostSerial();
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json_object* getJSONObject();
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void loadFlowRateAlertPrefs(void);
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void loadSynAlertPrefs(void);
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void loadFlowsAlertPrefs(void);
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void getSites(lua_State* vm, char *k, const char *label);
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bool readDHCPCache();
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#ifdef NTOPNG_PRO
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u_int8_t get_shaper_id(ndpi_protocol ndpiProtocol, bool isIngress);
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#endif
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public:
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Host(NetworkInterface *_iface);
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Host(NetworkInterface *_iface, char *ipAddress, u_int16_t _vlanId);
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Host(NetworkInterface *_iface, u_int8_t _mac[6], u_int16_t _vlanId, IpAddress *_ip);
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~Host();
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void updateLocal();
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void updateStats(struct timeval *tv);
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void incLowGoodputFlows(bool asClient);
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void decLowGoodputFlows(bool asClient);
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void resetPeriodicStats(void);
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inline void incRetransmittedPkts(u_int32_t num) { tcpPacketStats.pktRetr += num; };
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inline void incOOOPkts(u_int32_t num) { tcpPacketStats.pktOOO += num; };
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inline void incLostPkts(u_int32_t num) { tcpPacketStats.pktLost += num; };
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inline int16_t get_local_network_id() { return(local_network_id); };
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inline PacketStats* get_sent_stats() { return(&sent_stats); };
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inline PacketStats* get_recv_stats() { return(&recv_stats); };
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inline HTTPstats* getHTTPstats() { return(http); };
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inline HTTPstats* getHTTP() { return(http); };
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inline void set_ipv4(u_int32_t _ipv4) { ip.set(_ipv4); };
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inline void set_ipv6(struct ndpi_in6_addr *_ipv6) { ip.set(_ipv6); };
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inline u_int32_t key() { return(ip.key()); };
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char* getJSON();
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inline void setOS(char *_os) { if(os[0] == '\0') snprintf(os, sizeof(os), "%s", _os); }
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inline IpAddress* get_ip() { return(&ip); }
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void set_mac(char *m);
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inline bool isBlacklisted() { return(blacklisted_host); }
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inline u_int8_t* get_mac() { return(mac ? mac->get_mac() : NULL); }
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inline Mac* getMac() { return(mac); }
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inline char* get_os() { return(os); }
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inline char* get_name() { return(symbolic_name); }
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inline char* get_country() { return(country); }
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inline char* get_city() { return(city); }
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inline char* get_httpbl() { refreshHTTPBL(); return(trafficCategory); }
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#ifdef NTOPNG_PRO
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inline u_int8_t get_ingress_shaper_id(ndpi_protocol ndpiProtocol) { return(get_shaper_id(ndpiProtocol, true)); }
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inline u_int8_t get_egress_shaper_id(ndpi_protocol ndpiProtocol) { return(get_shaper_id(ndpiProtocol, false)); }
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#endif
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inline u_int16_t get_host_pool() { return(host_pool); }
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inline u_int32_t get_asn() { return(asn); }
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inline char* get_asname() { return(asname); }
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inline bool isPrivateHost() { return(ip.isPrivateAddress()); }
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inline float get_latitude() { return(latitude); }
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inline float get_longitude() { return(longitude); }
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bool isLocalInterfaceAddress();
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char* get_name(char *buf, u_int buf_len, bool force_resolution_if_not_found);
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inline char* get_string_key(char *buf, u_int buf_len) { return(ip.print(buf, buf_len)); };
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bool idle();
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void lua(lua_State* vm, AddressTree * ptree, bool host_details,
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bool verbose, bool returnHost, bool asListElement,
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bool exclude_deserialized_bytes);
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void resolveHostName();
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void setName(char *name);
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void set_host_label(char *label_name);
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inline int compare(Host *h) { return(ip.compare(&h->ip)); };
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inline bool equal(IpAddress *_ip) { return(_ip && ip.equal(_ip)); };
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void incStats(u_int8_t l4_proto, u_int ndpi_proto,
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struct site_categories *category,
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u_int64_t sent_packets, u_int64_t sent_bytes, u_int64_t sent_goodput_bytes,
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u_int64_t rcvd_packets, u_int64_t rcvd_bytes, u_int64_t rcvd_goodput_bytes);
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void incHitter(Host *peer, u_int64_t sent_bytes, u_int64_t rcvd_bytes);
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void updateHostTrafficPolicy(char *key);
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inline void incMacStats(bool sentBytes, u_int pkt_len) { if(mac) { if(sentBytes) mac->incSentStats(pkt_len); else mac->incRcvdStats(pkt_len); } };
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char* serialize();
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void serialize2redis();
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bool deserialize(char *json_str, char *key);
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bool addIfMatching(lua_State* vm, AddressTree * ptree, char *key);
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void updateSynFlags(time_t when, u_int8_t flags, Flow *f, bool syn_sent);
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void incNumFlows(bool as_client);
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void decNumFlows(bool as_client);
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inline void incIngressDrops(u_int num_bytes) { ingress_drops.incStats(num_bytes); };
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inline void incEgressDrops(u_int num_bytes) { egress_drops.incStats(num_bytes); };
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inline void incNumDNSQueriesSent(u_int16_t query_type) { if(dns) dns->incNumDNSQueriesSent(query_type); };
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inline void incNumDNSQueriesRcvd(u_int16_t query_type) { if(dns) dns->incNumDNSQueriesRcvd(query_type); };
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inline void incNumDNSResponsesSent(u_int32_t ret_code) { if(dns) dns->incNumDNSResponsesSent(ret_code); };
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inline void incNumDNSResponsesRcvd(u_int32_t ret_code) { if(dns) dns->incNumDNSResponsesRcvd(ret_code); };
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inline void disableAlerts() { trigger_host_alerts = false; };
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inline void enableAlerts() { trigger_host_alerts = true; };
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inline bool triggerAlerts() { return(trigger_host_alerts); };
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u_int32_t getNumAlerts(bool from_alertsmanager = false);
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inline void setNumAlerts(u_int32_t num) { num_alerts_detected = num; };
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inline NetworkStats* getNetworkStats(int16_t networkId){ return(iface->getNetworkStats(networkId)); };
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void readAlertPrefs();
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void updateHTTPHostRequest(char *virtual_host_name, u_int32_t num_req, u_int32_t bytes_sent, u_int32_t bytes_rcvd);
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bool match(AddressTree *tree) { return(get_ip() ? get_ip()->match(tree) : false); };
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void updateHostL7Policy();
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void updateHostPool();
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inline bool dropAllTraffic() { return(drop_all_host_traffic); };
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inline bool dumpHostTraffic() { return(dump_host_traffic); };
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void setDumpTrafficPolicy(bool new_policy);
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bool isAboveQuota(void);
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void setQuota(u_int32_t new_quota);
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void loadAlertPrefs(void);
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void getPeerBytes(lua_State* vm, u_int32_t peer_key);
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void setDeviceIfIdx(u_int32_t ip, u_int16_t v);
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inline u_int16_t getDeviceIfIdx() { return(deviceIfIdx); }
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inline void incIngressNetworkStats(int16_t networkId, u_int64_t num_bytes) { if(networkStats) networkStats->incIngress(num_bytes); };
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inline void incEgressNetworkStats(int16_t networkId, u_int64_t num_bytes) { if(networkStats) networkStats->incEgress(num_bytes); };
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inline void incInnerNetworkStats(int16_t networkId, u_int64_t num_bytes) { if(networkStats) networkStats->incInner(num_bytes); };
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void incrVisitedWebSite(char *hostname);
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const UserActivityCounter * getActivityBytes(UserActivityID id);
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void incActivityBytes(UserActivityID id, u_int64_t upbytes, u_int64_t downbytes, u_int64_t bgbytes);
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void incIfaPackets(InterFlowActivityProtos proto, const Flow * flow, time_t when);
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void getIfaStats(InterFlowActivityProtos proto, time_t when, int * count, u_int32_t * packets, time_t * max_diff);
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inline UserActivityStats* get_user_activities() { return(user_activities); }
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inline u_int32_t getNumOutgoingFlows() { return(num_active_flows_as_client); }
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inline u_int32_t getNumIncomingFlows() { return(num_active_flows_as_server); }
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inline u_int32_t getNumActiveFlows() { return(getNumOutgoingFlows()+getNumIncomingFlows()); }
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static void splitHostVlan(const char *at_sign_str, char*buf, int bufsize, u_int16_t *vlan_id);
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};
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#endif /* _HOST_H_ */
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