ntopng/src/PartializableFlowTrafficStats.cpp
2020-01-15 18:42:48 +01:00

239 lines
8 KiB
C++

/*
*
* (C) 2013-20 - 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.
*
*/
#include "ntop_includes.h"
/* *************************************** */
PartializableFlowTrafficStats::PartializableFlowTrafficStats() {
ndpiDetectedProtocol = Flow::ndpiUnknownProtocol;
cli2srv_packets = srv2cli_packets = 0;
cli2srv_bytes = srv2cli_bytes = 0;
cli2srv_goodput_bytes = srv2cli_goodput_bytes = 0;
memset(&cli2srv_tcp_stats, 0, sizeof(cli2srv_tcp_stats));
memset(&srv2cli_tcp_stats, 0, sizeof(srv2cli_tcp_stats));
memset(&protos, 0, sizeof(protos));
}
/* *************************************** */
PartializableFlowTrafficStats::PartializableFlowTrafficStats(const PartializableFlowTrafficStats &fts) {
memcpy(&ndpiDetectedProtocol, &fts.ndpiDetectedProtocol, sizeof(ndpiDetectedProtocol));
cli2srv_packets = fts.cli2srv_packets;
srv2cli_packets = fts.srv2cli_packets;
cli2srv_bytes = fts.cli2srv_bytes;
srv2cli_bytes = fts.srv2cli_bytes;
cli2srv_goodput_bytes = fts.cli2srv_goodput_bytes;
srv2cli_goodput_bytes = fts.srv2cli_goodput_bytes;
memcpy(&cli2srv_tcp_stats, &fts.cli2srv_tcp_stats, sizeof(cli2srv_tcp_stats));
memcpy(&srv2cli_tcp_stats, &fts.srv2cli_tcp_stats, sizeof(srv2cli_tcp_stats));
memcpy(&protos, &fts.protos, sizeof(protos));
}
/* *************************************** */
PartializableFlowTrafficStats PartializableFlowTrafficStats::operator-(const PartializableFlowTrafficStats &fts) {
PartializableFlowTrafficStats cur(*this);
cur.cli2srv_packets -= fts.cli2srv_packets;
cur.cli2srv_bytes -= fts.cli2srv_bytes;
cur.cli2srv_goodput_bytes -= fts.cli2srv_goodput_bytes;
cur.srv2cli_packets -= fts.srv2cli_packets;
cur.srv2cli_bytes -= fts.srv2cli_bytes;
cur.srv2cli_goodput_bytes -= fts.srv2cli_goodput_bytes;
cur.cli2srv_tcp_stats.pktRetr -= fts.cli2srv_tcp_stats.pktRetr;
cur.cli2srv_tcp_stats.pktOOO -= fts.cli2srv_tcp_stats.pktOOO;
cur.cli2srv_tcp_stats.pktLost -= fts.cli2srv_tcp_stats.pktLost;
cur.cli2srv_tcp_stats.pktKeepAlive -= fts.cli2srv_tcp_stats.pktKeepAlive;
cur.srv2cli_tcp_stats.pktRetr -= fts.srv2cli_tcp_stats.pktRetr;
cur.srv2cli_tcp_stats.pktOOO -= fts.srv2cli_tcp_stats.pktOOO;
cur.srv2cli_tcp_stats.pktLost -= fts.srv2cli_tcp_stats.pktLost;
cur.srv2cli_tcp_stats.pktKeepAlive -= fts.srv2cli_tcp_stats.pktKeepAlive;
switch(ndpi_get_lower_proto(ndpiDetectedProtocol)) {
case NDPI_PROTOCOL_HTTP:
cur.protos.http.num_get -= fts.protos.http.num_get;
cur.protos.http.num_post -= fts.protos.http.num_post;
cur.protos.http.num_put -= fts.protos.http.num_put;
cur.protos.http.num_other -= fts.protos.http.num_other;
cur.protos.http.num_1xx -= fts.protos.http.num_1xx;
cur.protos.http.num_2xx -= fts.protos.http.num_2xx;
cur.protos.http.num_3xx -= fts.protos.http.num_3xx;
cur.protos.http.num_4xx -= fts.protos.http.num_4xx;
cur.protos.http.num_5xx -= fts.protos.http.num_5xx;
break;
case NDPI_PROTOCOL_DNS:
cur.protos.dns.num_a -= fts.protos.dns.num_a;
cur.protos.dns.num_ns -= fts.protos.dns.num_ns;
cur.protos.dns.num_cname -= fts.protos.dns.num_cname;
cur.protos.dns.num_soa -= fts.protos.dns.num_soa;
cur.protos.dns.num_ptr -= fts.protos.dns.num_ptr;
cur.protos.dns.num_mx -= fts.protos.dns.num_mx;
cur.protos.dns.num_txt -= fts.protos.dns.num_txt;
cur.protos.dns.num_aaaa -= fts.protos.dns.num_aaaa;
cur.protos.dns.num_any -= fts.protos.dns.num_any;
cur.protos.dns.num_other -= fts.protos.dns.num_other;
cur.protos.dns.num_replies_ok -= fts.protos.dns.num_replies_ok;
cur.protos.dns.num_replies_error -= fts.protos.dns.num_replies_error;
break;
default:
break;
}
return cur;
}
/* *************************************** */
PartializableFlowTrafficStats::~PartializableFlowTrafficStats() {
}
/* *************************************** */
void PartializableFlowTrafficStats::setDetectedProtocol(const ndpi_protocol *ndpi_detected_protocol) {
memcpy(&ndpiDetectedProtocol, ndpi_detected_protocol, sizeof(ndpiDetectedProtocol));
}
/* *************************************** */
void PartializableFlowTrafficStats::incTcpStats(bool cli2srv_direction, u_int retr, u_int ooo, u_int lost, u_int keepalive) {
FlowTCPPacketStats * cur_stats;
if(cli2srv_direction)
cur_stats = &cli2srv_tcp_stats;
else
cur_stats = &srv2cli_tcp_stats;
cur_stats->pktKeepAlive += keepalive;
cur_stats->pktRetr += retr;
cur_stats->pktOOO += ooo;
cur_stats->pktLost += lost;
}
/* *************************************** */
void PartializableFlowTrafficStats::incStats(bool cli2srv_direction, u_int num_pkts, u_int pkt_len, u_int payload_len) {
if(cli2srv_direction)
cli2srv_packets += num_pkts, cli2srv_bytes += pkt_len, cli2srv_goodput_bytes += payload_len;
else
srv2cli_packets += num_pkts, srv2cli_bytes += pkt_len, srv2cli_goodput_bytes += payload_len;
}
/* *************************************** */
void PartializableFlowTrafficStats::setStats(bool cli2srv_direction, u_int num_pkts, u_int pkt_len, u_int payload_len) {
if(cli2srv_direction)
cli2srv_packets = num_pkts, cli2srv_bytes = pkt_len, cli2srv_goodput_bytes = payload_len;
else
srv2cli_packets = num_pkts, srv2cli_bytes = pkt_len, srv2cli_goodput_bytes = payload_len;
}
/* *************************************** */
void PartializableFlowTrafficStats::incDNSQuery(u_int16_t query_type) {
switch(query_type) {
case 0:
/* Zero means we have not been able to decode the DNS message */
break;
case 1:
/* A */
protos.dns.num_a++;
break;
case 2:
/* NS */
protos.dns.num_ns++;
break;
case 5:
/* CNAME */
protos.dns.num_cname++;
break;
case 6:
/* SOA */
protos.dns.num_soa++;
break;
case 12:
/* PTR */
protos.dns.num_ptr++;
break;
case 15:
/* MX */
protos.dns.num_mx++;
break;
case 16:
/* TXT */
protos.dns.num_txt++;
break;
case 28:
/* AAAA */
protos.dns.num_aaaa++;
break;
case 255:
/* ANY */
protos.dns.num_any++;
break;
default:
protos.dns.num_other++;
break;
}
}
/* *************************************** */
void PartializableFlowTrafficStats::incDNSResp(u_int16_t resp_code) {
switch(resp_code) {
case 0:
protos.dns.num_replies_ok++;
break;
default:
protos.dns.num_replies_error++;
}
}
/* *************************************** */
void PartializableFlowTrafficStats::get_partial(PartializableFlowTrafficStats *dst, PartializableFlowTrafficStats *fts) const {
/* Set temp to the current value */
PartializableFlowTrafficStats tmp(*this);
/* Compute the differences between the snapshot tmp and the values found in dst, and put them in the argument fts */
*fts = tmp - *dst;
/* Finally, update dst with the values snapshotted in tmp.
Use the copy constructor to snapshot the value of tmp to dst
*/
*dst = tmp;
}
/* *************************************** */
u_int16_t PartializableFlowTrafficStats::get_num_http_requests() const {
return protos.http.num_get + protos.http.num_post + protos.http.num_head + protos.http.num_put + protos.http.num_other;
}
/* *************************************** */
u_int16_t PartializableFlowTrafficStats::get_num_dns_queries() const {
return protos.dns.num_a + protos.dns.num_ns + protos.dns.num_cname + protos.dns.num_soa + protos.dns.num_ptr + protos.dns.num_mx + protos.dns.num_txt + protos.dns.num_aaaa + protos.dns.num_any + protos.dns.num_other;
}