push_sender.cc
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- //
- // push_sender.cc : Ping Server Main File
- // author : Fabio Silva
- //
- // Copyright (C) 2000-2002 by the University of Southern California
- // $Id: push_sender.cc,v 1.3 2005/09/13 04:53:46 tomh Exp $
- //
- // This program is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public License,
- // version 2, as published by the Free Software Foundation.
- //
- // 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.
- //
- // Linking this file statically or dynamically with other modules is making
- // a combined work based on this file. Thus, the terms and conditions of
- // the GNU General Public License cover the whole combination.
- //
- // In addition, as a special exception, the copyright holders of this file
- // give you permission to combine this file with free software programs or
- // libraries that are released under the GNU LGPL and with code included in
- // the standard release of ns-2 under the Apache 2.0 license or under
- // otherwise-compatible licenses with advertising requirements (or modified
- // versions of such code, with unchanged license). You may copy and
- // distribute such a system following the terms of the GNU GPL for this
- // file and the licenses of the other code concerned, provided that you
- // include the source code of that other code when and as the GNU GPL
- // requires distribution of source code.
- //
- // Note that people who make modified versions of this file are not
- // obligated to grant this special exception for their modified versions;
- // it is their choice whether to do so. The GNU General Public License
- // gives permission to release a modified version without this exception;
- // this exception also makes it possible to release a modified version
- // which carries forward this exception.
- #include "push_sender.hh"
- #include <unistd.h>
- #ifdef NS_DIFFUSION
- static class PushSenderAppClass : public TclClass {
- public:
- PushSenderAppClass() : TclClass("Application/DiffApp/PushSender") {}
- TclObject* create(int , const char*const*) {
- return(new PushSenderApp());
- }
- } class_ping_sender;
- void PushSendDataTimer::expire(Event *e) {
- a_->send();
- }
- void PushSenderApp::send()
- {
- struct timeval tmv;
- int retval;
- // Update time in the packet
- GetTime(&tmv);
- lastEventTime_->seconds_ = tmv.tv_sec;
- lastEventTime_->useconds_ = tmv.tv_usec;
- // Send data probe
- DiffPrint(DEBUG_ALWAYS, "Node%d: Sending Data %dn", ((DiffusionRouting *)dr_)->getNodeId(), last_seq_sent_);
- retval = dr_->send(pubHandle_, &data_attr_);
- // Update counter
- last_seq_sent_++;
- counterAttr_->setVal(last_seq_sent_);
- // re-schedule the timer
- sdt_.resched(SEND_DATA_INTERVAL);
- }
- int PushSenderApp::command(int argc, const char*const* argv) {
- if (argc == 2) {
- if (strcmp(argv[1], "publish") == 0) {
- run();
- return TCL_OK;
- }
- }
- return DiffApp::command(argc, argv);
- }
- #endif // NS_DIFFUSION
- handle PushSenderApp::setupPublication()
- {
- NRAttrVec attrs;
- attrs.push_back(NRClassAttr.make(NRAttribute::IS, NRAttribute::DATA_CLASS));
- attrs.push_back(NRScopeAttr.make(NRAttribute::IS, NRAttribute::GLOBAL_SCOPE));
- attrs.push_back(LatitudeAttr.make(NRAttribute::LE, 70.00));
- attrs.push_back(LatitudeAttr.make(NRAttribute::GT, 50.00));
- attrs.push_back(LongitudeAttr.make(NRAttribute::LE, 85.00));
- attrs.push_back(LongitudeAttr.make(NRAttribute::GT, 50.00));
- attrs.push_back(TargetAttr.make(NRAttribute::IS, "F117A"));
- handle h = dr_->publish(&attrs);
- ClearAttrs(&attrs);
- return h;
- }
- void PushSenderApp::run()
- {
- struct timeval tmv;
- #ifndef NS_DIFFUSION
- int retval;
- #endif // !NS_DIFFUSION
- #ifdef INTERACTIVE
- char input;
- fd_set FDS;
- #endif // INTERATIVE
- // Setup publication and subscription
- pubHandle_ = setupPublication();
- // Create time attribute
- GetTime(&tmv);
- lastEventTime_ = new EventTime;
- lastEventTime_->seconds_ = tmv.tv_sec;
- lastEventTime_->useconds_ = tmv.tv_usec;
- timeAttr_ = TimeAttr.make(NRAttribute::IS, (void *) &lastEventTime_,
- sizeof(EventTime));
- data_attr_.push_back(timeAttr_);
- // Change pointer to point to attribute's payload
- delete lastEventTime_;
- lastEventTime_ = (EventTime *) timeAttr_->getVal();
- // Create counter attribute
- counterAttr_ = AppCounterAttr.make(NRAttribute::IS, last_seq_sent_);
- data_attr_.push_back(counterAttr_);
- #ifndef NS_DIFFUSION
- // Main thread will send ping probes
- while(1){
- #ifdef INTERACTIVE
- FD_SET(0, &FDS);
- fprintf(stdout, "Press <Enter> to send a ping probe...");
- fflush(NULL);
- select(1, &FDS, NULL, NULL, NULL);
- input = getc(stdin);
- #else
- sleep(5);
- #endif // INTERACTIVE
- // Update time in the packet
- GetTime(&tmv);
- lastEventTime_->seconds_ = tmv.tv_sec;
- lastEventTime_->useconds_ = tmv.tv_usec;
- // Send data probe
- DiffPrint(DEBUG_ALWAYS, "Sending Data %dn", last_seq_sent_);
- retval = dr_->send(pubHandle_, &data_attr_);
- // Update counter
- last_seq_sent_++;
- counterAttr_->setVal(last_seq_sent_);
- }
- #else
- send();
- #endif // NS_DIFFUSION
- }
- #ifdef NS_DIFFUSION
- PushSenderApp::PushSenderApp() : sdt_(this)
- #else
- PushSenderApp::PushSenderApp(int argc, char **argv)
- #endif // NS_DIFFUSION
- {
- last_seq_sent_ = 0;
- #ifndef NS_DIFFUSION
- parseCommandLine(argc, argv);
- dr_ = NR::createNR(diffusion_port_);
- #endif // NS_DIFFUSION
- }
- #ifndef NS_DIFFUSION
- int main(int argc, char **argv)
- {
- PushSenderApp *app;
- app = new PushSenderApp(argc, argv);
- app->run();
- return 0;
- }
- #endif // NS_DIFFUSION