mirror of
https://github.com/ntop/ntopng.git
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117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
/*
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*
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* (C) 2013-20 - 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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#ifndef HAVE_NEDGE
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/* **************************************************** */
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DummyInterface::DummyInterface() : ZMQParserInterface("dummy") {
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ntop->getTrace()->traceEvent(TRACE_NORMAL, "Initialized dummy interface");
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}
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/* **************************************************** */
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void DummyInterface::forgeFlow(u_int iteration) {
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char payload[256];
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u_int32_t srcIp = 0xC0A80000;
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u_int32_t dstIp = 0x0A000000;
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u_int id, mval = (ntop->getPrefs()->get_max_num_flows() / 2) / (ntop->getPrefs()->get_max_num_hosts() / 4);
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if(!mval)
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mval = 1;
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time_t now = time(NULL);
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id = iteration % (ntop->getPrefs()->get_max_num_hosts() / 4);
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srcIp += id, dstIp += id;
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static bool msg_printed = false;
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if(!msg_printed) {
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ntop->getTrace()->traceEvent(TRACE_NORMAL, "Flow simulation "
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"[num_simulated_flows: %u] "
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"[max_num_flows: %u]"
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"[num_iterations: %u] "
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"[mval: %u]",
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(ntop->getPrefs()->get_max_num_hosts() / 4) * mval,
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ntop->getPrefs()->get_max_num_flows(),
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(ntop->getPrefs()->get_max_num_hosts() / 4),
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mval);
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msg_printed = true;
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}
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for(u_int i=0; i<mval; i++) {
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char a[32], b[32];
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u_int16_t sport = 1234+i, dport = 80;
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snprintf(payload, sizeof(payload),
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"{\"8\":\"%s\",\"12\":\"%s\",\"10\":0,\"14\":0,\"2\":%u,\"1\":%u,\"22\":%lu,\"21\":%lu,\"7\":%u,\"11\":%u,\"6\":0,\"4\":17,\"5\":0,\"16\":0,\"17\":0,\"9\":0,\"13\":0,\"42\":297}",
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Utils::intoaV4(srcIp, a, sizeof(a)),
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Utils::intoaV4(dstIp, b, sizeof(b)),
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iteration, iteration*1500,
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now-120, now-60, sport, dport);
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parseJSONFlow(payload, sizeof(payload), 1 /* source_id */);
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}
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if(id == 0) sleep(ntop->getPrefs()->get_housekeeping_frequency());
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}
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/* **************************************************** */
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static void* packetPollLoop(void* ptr) {
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DummyInterface *iface = (DummyInterface*)ptr;
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u_int32_t iteration = 0;
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/* Wait until the initialization completes */
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while(!iface->isRunning()) sleep(1);
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while(iface->isRunning()) {
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iface->forgeFlow(++iteration);
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_usleep(10);
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iface->purgeIdle(time(NULL));
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}
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ntop->getTrace()->traceEvent(TRACE_NORMAL, "Flow collection is over.");
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return(NULL);
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}
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/* **************************************************** */
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void DummyInterface::startPacketPolling() {
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pthread_create(&pollLoop, NULL, packetPollLoop, (void*)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 DummyInterface::shutdown() {
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void *res;
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if(running) {
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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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#endif
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