mirror of
https://github.com/ntop/ntopng.git
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141 lines
4 KiB
C++
141 lines
4 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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#include "ntop_includes.h"
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/* *************************************** */
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Mac::Mac(NetworkInterface *_iface, u_int8_t _mac[6], u_int16_t _vlanId) : GenericHashEntry(_iface) {
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memcpy(mac, _mac, 6), vlan_id = _vlanId;
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special_mac = Utils::isSpecialMac(mac);
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if(iface->getTimeLastPktRcvd() > 0)
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first_seen = last_seen = iface->getTimeLastPktRcvd();
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else
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first_seen = last_seen = time(NULL);
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if(ntop->getMacManufacturers())
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manuf = ntop->getMacManufacturers()->getManufacturer(mac);
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else
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manuf = NULL;
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#ifdef MANUF_DEBUG
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ntop->getTrace()->traceEvent(TRACE_NORMAL,
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"Assigned manufacturer [mac: %02x:%02x:%02x:%02x:%02x:%02x] [manufacturer: %s]",
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mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
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manuf ? manuf : "- not available -");
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#endif
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#ifdef DEBUG
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char buf[32];
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ntop->getTrace()->traceEvent(TRACE_NORMAL, "Created %s/%u [total %u][%s]",
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Utils::formatMac(mac, buf, sizeof(buf)),
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vlan_id, iface->getNumL2Devices(),
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special_mac ? "Special" : "Host");
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#endif
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if(!special_mac) iface->incNumL2Devices();
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}
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/* *************************************** */
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Mac::~Mac() {
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/* TODO: decide if it is useful to dump mac stats to redis */
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if(!special_mac) iface->decNumL2Devices();
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#ifdef DEBUG
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char buf[32];
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ntop->getTrace()->traceEvent(TRACE_NORMAL, "Deleted %s/%u [total %u][%s]",
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Utils::formatMac(mac, buf, sizeof(buf)),
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vlan_id, iface->getNumL2Devices(),
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special_mac ? "Special" : "Host");
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#endif
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}
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/* *************************************** */
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bool Mac::idle() {
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bool rc;
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if((num_uses > 0) || (!iface->is_purge_idle_interface()))
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return(false);
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rc = isIdle(MAX_LOCAL_HOST_IDLE);
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#ifdef DEBUG
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if(true) {
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char buf[32];
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ntop->getTrace()->traceEvent(TRACE_NORMAL, "Is idle %s/%u [uses %u][%s][last: %u][diff: %d]",
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Utils::formatMac(mac, buf, sizeof(buf)),
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vlan_id, num_uses,
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rc ? "Idle" : "Not Idle",
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last_seen, iface->getTimeLastPktRcvd() - (last_seen+MAX_LOCAL_HOST_IDLE));
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}
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#endif
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return(rc);
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}
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/* *************************************** */
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void Mac::lua(lua_State* vm, bool show_details, bool asListElement) {
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char buf[32], *m;
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lua_newtable(vm);
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lua_push_str_table_entry(vm, "mac", m = Utils::formatMac(mac, buf, sizeof(buf)));
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lua_push_int_table_entry(vm, "vlan", vlan_id);
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lua_push_int_table_entry(vm, "bytes.sent", sent.getNumBytes());
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lua_push_int_table_entry(vm, "bytes.rcvd", rcvd.getNumBytes());
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if(show_details) {
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if(manuf)
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lua_push_str_table_entry(vm, "manufacturer", (char*)manuf);
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lua_push_bool_table_entry(vm, "special_mac", special_mac);
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((GenericTrafficElement*)this)->lua(vm, show_details);
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}
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lua_push_int_table_entry(vm, "seen.first", first_seen);
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lua_push_int_table_entry(vm, "seen.last", last_seen);
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lua_push_int_table_entry(vm, "duration", get_duration());
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lua_push_int_table_entry(vm, "num_hosts", getNumHosts());
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if(asListElement) {
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lua_pushstring(vm, m);
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lua_insert(vm, -2);
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lua_settable(vm, -3);
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}
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}
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/* *************************************** */
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bool Mac::equal(u_int16_t _vlanId, const u_int8_t _mac[6]) {
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if((vlan_id == _vlanId) && (memcmp(mac, _mac, 6) == 0))
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return(true);
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else
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return(false);
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}
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