mirror of
https://github.com/ntop/ntopng.git
synced 2026-05-23 03:50:20 +00:00
353 lines
8.9 KiB
C++
353 lines
8.9 KiB
C++
/*
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*
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* (C) 2013-19 - 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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ViewInterface::ViewInterface(const char *_endpoint) : NetworkInterface(_endpoint) {
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memset(viewed_interfaces, 0, sizeof(viewed_interfaces));
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num_viewed_interfaces = 0;
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char *ifaces = strdup(&_endpoint[5]); /* Skip view: */
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if(ifaces) {
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char *tmp, *iface = strtok_r(ifaces, ",", &tmp);
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while(iface != NULL) {
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bool found = false;
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for(int i = 0; i < MAX_NUM_INTERFACE_IDS; i++) {
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char *ifName;
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if((ifName = ntop->get_if_name(i)) == NULL)
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continue;
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if(!strncmp(ifName, iface, MAX_INTERFACE_NAME_LEN)) {
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found = true;
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if(num_viewed_interfaces < MAX_NUM_VIEW_INTERFACES) {
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NetworkInterface *what = ntop->getInterfaceById(i);
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if(!what)
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ntop->getTrace()->traceEvent(TRACE_ERROR, "Internal Error: NULL interface [%s][%d]", ifName, i);
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else if(what->isViewed())
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ntop->getTrace()->traceEvent(TRACE_ERROR, "Interface already belonging to a view [%s][%d]", ifName, i);
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else {
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what->setViewed();
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viewed_interfaces[num_viewed_interfaces++] = what;
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}
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}
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break;
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}
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}
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if(!found)
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ntop->getTrace()->traceEvent(TRACE_WARNING, "Skipping view sub-interface %s: not found", iface);
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else if(num_viewed_interfaces == MAX_NUM_VIEW_INTERFACES)
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break; /* Upper interface limit reached */
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iface = strtok_r(NULL, ",", &tmp);
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}
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free(ifaces);
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}
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}
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/* **************************************************** */
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bool ViewInterface::walker(u_int32_t *begin_slot,
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bool walk_all,
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WalkerType wtype,
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bool (*walker)(GenericHashEntry *h, void *user_data, bool *matched),
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void *user_data) {
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bool ret = false;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++) {
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// ntop->getTrace()->traceEvent(TRACE_WARNING, "VIEW: Iterating on subinterface %s [walker_flows: %u]",
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// viewed_interfaces[s]->get_name(),
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// wtype == walker_flows ? 1 : 0);
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ret |= viewed_interfaces[s]->walker(begin_slot, walk_all, wtype, walker, user_data);
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}
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return(ret);
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}
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/* **************************************************** */
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u_int64_t ViewInterface::getNumPackets() {
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u_int64_t tot = 0;
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for(u_int8_t s = 0; s<num_viewed_interfaces; s++)
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tot += viewed_interfaces[s]->getNumPackets();
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return(tot);
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};
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/* **************************************************** */
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u_int32_t ViewInterface::getNumPacketDrops() {
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u_int32_t tot = 0;
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for(u_int8_t s = 0; s<num_viewed_interfaces; s++)
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tot += viewed_interfaces[s]->getNumDroppedPackets();
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return(tot);
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};
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/* **************************************************** */
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u_int ViewInterface::getNumFlows() {
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u_int tot = 0;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++)
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tot += viewed_interfaces[s]->getNumFlows();
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return(tot);
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};
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/* **************************************************** */
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u_int64_t ViewInterface::getNumBytes() {
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u_int64_t tot = 0;
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for(u_int8_t s = 0; s<num_viewed_interfaces; s++)
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tot += viewed_interfaces[s]->getNumBytes();
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return(tot);
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}
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/* **************************************************** */
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u_int64_t ViewInterface::getCheckPointNumPackets() {
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u_int64_t tot = 0;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++)
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tot += viewed_interfaces[s]->getCheckPointNumPackets();
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return(tot);
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};
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/* **************************************************** */
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u_int64_t ViewInterface::getCheckPointNumBytes() {
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u_int64_t tot = 0;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++)
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tot += viewed_interfaces[s]->getCheckPointNumBytes();
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return(tot);
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}
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/* **************************************************** */
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u_int32_t ViewInterface::getCheckPointNumPacketDrops() {
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u_int32_t tot = 0;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++)
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tot += viewed_interfaces[s]->getCheckPointNumPacketDrops();
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return(tot);
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};
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/* **************************************************** */
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u_int32_t ViewInterface::getFlowsHashSize() {
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u_int32_t tot = 0;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++)
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tot += viewed_interfaces[s]->getFlowsHashSize();
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return(tot);
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}
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/* **************************************************** */
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u_int32_t ViewInterface::getMacsHashSize() {
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u_int32_t tot = 0;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++)
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tot += viewed_interfaces[s]->getMacsHashSize();
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return(tot);
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}
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/* **************************************************** */
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u_int32_t ViewInterface::getHostsHashSize() {
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u_int32_t tot = 0;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++) {
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tot += viewed_interfaces[s]->getHostsHashSize();
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}
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return(tot);
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}
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/* **************************************************** */
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u_int32_t ViewInterface::getASesHashSize() {
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u_int32_t tot = 0;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++)
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tot += viewed_interfaces[s]->getASesHashSize();
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return(tot);
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}
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/* **************************************************** */
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u_int32_t ViewInterface::getCountriesHashSize() {
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u_int32_t tot = 0;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++)
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tot += viewed_interfaces[s]->getCountriesHashSize();
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return(tot);
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}
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/* **************************************************** */
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u_int32_t ViewInterface::getVLANsHashSize() {
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u_int32_t tot = 0;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++)
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tot += viewed_interfaces[s]->getVLANsHashSize();
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return(tot);
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}
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/* **************************************************** */
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Host* ViewInterface::getHost(char *host_ip, u_int16_t vlan_id, bool isInlineCall) {
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Host *h = NULL;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++) {
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if((h = viewed_interfaces[s]->getHost(host_ip, vlan_id, isInlineCall)))
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break;
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}
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return(h);
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}
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/* **************************************************** */
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Mac* ViewInterface::getMac(u_int8_t _mac[6], bool createIfNotPresent, bool isInlineCall) {
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Mac *ret = NULL;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++) {
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if((ret = viewed_interfaces[s]->getMac(_mac, false, isInlineCall)))
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break;
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}
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return(ret);
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}
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/* **************************************************** */
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Flow* ViewInterface::findFlowByKey(u_int32_t key, AddressTree *allowed_hosts) {
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Flow *f = NULL;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++) {
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if((f = (Flow*)viewed_interfaces[s]->findFlowByKey(key, allowed_hosts)))
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break;
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}
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return(f);
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}
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/* **************************************************** */
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Flow* ViewInterface::findFlowByTuple(u_int16_t vlan_id,
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IpAddress *src_ip, IpAddress *dst_ip,
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u_int16_t src_port, u_int16_t dst_port,
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u_int8_t l4_proto,
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AddressTree *allowed_hosts) const {
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Flow *f = NULL;
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++) {
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if((f = (Flow*)viewed_interfaces[s]->findFlowByTuple(vlan_id, src_ip, dst_ip, src_port, dst_port, l4_proto, allowed_hosts)))
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break;
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}
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return(f);
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}
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/* *************************************** */
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void ViewInterface::lua(lua_State *vm) {
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bool has_macs = false;
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NetworkInterface::lua(vm);
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for(u_int8_t s = 0; s < num_viewed_interfaces; s++) {
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if(viewed_interfaces[s]->hasSeenMacAddresses()) {
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has_macs = true;
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break;
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}
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}
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lua_push_bool_table_entry(vm, "has_macs", has_macs);
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}
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/* **************************************************** */
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void ViewInterface::flowPollLoop() {
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while(isRunning() && !ntop->getGlobals()->isShutdown()) {
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while(idle()) sleep(1);
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purgeIdle(time(NULL));
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usleep(1000);
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}
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}
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/* **************************************************** */
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static void* flowPollLoop(void* ptr) {
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ViewInterface *iface = (ViewInterface*)ptr;
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ntop->getTrace()->traceEvent(TRACE_NORMAL, "Starting flows polling for %s", iface->get_name());
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/* Wait until the initialization completes */
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while(!iface->isRunning()) sleep(1);
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iface->flowPollLoop();
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return NULL;
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}
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/* **************************************************** */
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void ViewInterface::startPacketPolling() {
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pthread_create(&pollLoop, NULL, ::flowPollLoop, this);
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pollLoopCreated = true;
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NetworkInterface::startPacketPolling();
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}
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/* **************************************************** */
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void ViewInterface::shutdown() {
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void *res;
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if(isRunning()) {
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NetworkInterface::shutdown();
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pthread_join(pollLoop, &res);
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}
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}
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