1pp_ping_receiver.cc
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- //
- // ping_receiver.cc : Ping Receiver Main File
- // author : Fabio Silva
- //
- // Copyright (C) 2000-2002 by the University of Southern California
- // $Id: 1pp_ping_receiver.cc,v 1.2 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 "1pp_ping_receiver.hh"
- #ifdef NS_DIFFUSION
- static class OPPPingReceiverAppClass : public TclClass {
- public:
- OPPPingReceiverAppClass() : TclClass("Application/DiffApp/PingReceiver/OPP") {}
- TclObject* create(int , const char*const* ) {
- return(new OPPPingReceiverApp());
- }
- } class_ping_receiver;
- int OPPPingReceiverApp::command(int argc, const char*const* argv) {
- if (argc == 2) {
- if (strcmp(argv[1], "subscribe") == 0) {
- run();
- return TCL_OK;
- }
- }
- return DiffApp::command(argc, argv);
- }
- #endif // NS_DIFFUSION
- void OPPPingReceiverReceive::recv(NRAttrVec *data, NR::handle my_handle)
- {
- app_->recv(data, my_handle);
- }
- void OPPPingReceiverApp::recv(NRAttrVec *data, NR::handle my_handle)
- {
- NRSimpleAttribute<int> *counterAttr = NULL;
- NRSimpleAttribute<void *> *timeAttr = NULL;
- EventTime *probe_event;
- long delay_seconds;
- long delay_useconds;
- float total_delay;
- struct timeval tmv;
- GetTime(&tmv);
- counterAttr = AppCounterAttr.find(data);
- timeAttr = TimeAttr.find(data);
- if (!counterAttr || !timeAttr){
- DiffPrint(DEBUG_ALWAYS, "Received a BAD packet !n");
- PrintAttrs(data);
- return;
- }
- // Calculate latency
- probe_event = (EventTime *) timeAttr->getVal();
- delay_seconds = tmv.tv_sec;
- delay_useconds = tmv.tv_usec;
- if ((delay_seconds < probe_event->seconds_) ||
- ((delay_seconds == probe_event->seconds_) &&
- (delay_useconds < probe_event->useconds_))){
- // Time's not synchronized
- delay_seconds = -1;
- delay_useconds = 0;
- DiffPrint(DEBUG_ALWAYS, "Error calculating delay !n");
- }
- else{
- delay_seconds = delay_seconds - probe_event->seconds_;
- if (delay_useconds < probe_event->useconds_){
- delay_seconds--;
- delay_useconds = delay_useconds + 1000000;
- }
- delay_useconds = delay_useconds - probe_event->useconds_;
- }
- total_delay = (float) (1.0 * delay_seconds) + ((float) delay_useconds / 1000000.0);
- // Check if this is the first message received
- if (first_msg_recv_ < 0){
- first_msg_recv_ = counterAttr->getVal();
- }
- // Print output message
- if (last_seq_recv_ >= 0){
- if (counterAttr->getVal() < last_seq_recv_){
- // Multiple sources detected, disabling statistics
- last_seq_recv_ = -1;
- DiffPrint(DEBUG_ALWAYS, "Node%d: Received data %d, total latency = %f!n",
- ((DiffusionRouting *)dr_)->getNodeId(),
- counterAttr->getVal(), total_delay);
- }
- else{
- last_seq_recv_ = counterAttr->getVal();
- num_msg_recv_++;
- DiffPrint(DEBUG_ALWAYS, "Node%d: Received data: %d, total latency = %f, %% messages received: %f !n",
- ((DiffusionRouting *)dr_)->getNodeId(),
- last_seq_recv_, total_delay,
- (float) ((num_msg_recv_ * 100.00) /
- ((last_seq_recv_ - first_msg_recv_) + 1)));
- }
- }
- else{
- DiffPrint(DEBUG_ALWAYS, "Node%d: Received data %d, total latency = %f !n",
- ((DiffusionRouting *)dr_)->getNodeId(),
- counterAttr->getVal(), total_delay);
- }
- }
- handle OPPPingReceiverApp::setupSubscription()
- {
- NRAttrVec attrs;
- attrs.push_back(NRClassAttr.make(NRAttribute::IS, NRAttribute::INTEREST_CLASS));
- attrs.push_back(NRAlgorithmAttr.make(NRAttribute::IS, NRAttribute::ONE_PHASE_PULL_ALGORITHM));
- attrs.push_back(LatitudeAttr.make(NRAttribute::GT, 54.78));
- attrs.push_back(LongitudeAttr.make(NRAttribute::LE, 87.32));
- attrs.push_back(TargetAttr.make(NRAttribute::IS, "F117A"));
- handle h = dr_->subscribe(&attrs, mr_);
- ClearAttrs(&attrs);
- return h;
- }
- void OPPPingReceiverApp::run()
- {
- subHandle_ = setupSubscription();
- #ifndef NS_DIFFUSION
- // Do nothing
- while (1){
- sleep(1000);
- }
- #endif // !NS_DIFFUSION
- }
- #ifdef NS_DIFFUSION
- OPPPingReceiverApp::OPPPingReceiverApp()
- #else
- OPPPingReceiverApp::OPPPingReceiverApp(int argc, char **argv)
- #endif // NS_DIFFUSION
- {
- last_seq_recv_ = 0;
- num_msg_recv_ = 0;
- first_msg_recv_ = -1;
- mr_ = new OPPPingReceiverReceive(this);
- #ifndef NS_DIFFUSION
- parseCommandLine(argc, argv);
- dr_ = NR::createNR(diffusion_port_);
- #endif // !NS_DIFFUSION
- }
- #ifndef NS_DIFFUSION
- int main(int argc, char **argv)
- {
- OPPPingReceiverApp *app;
- app = new OPPPingReceiverApp(argc, argv);
- app->run();
- return 0;
- }
- #endif // !NS_DIFFUSION