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/* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
/*
* Protocol Engineering Lab, U of Delaware
* Janardhan Iyengar <iyengar@@cis,udel,edu>
*
* This SCTP test application is a modified version of the telnet code
* developed by the University of California. The original copyright is below.
*/
/*
* Copyright (c) 1997 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Daedalus Research
* Group at the University of California Berkeley.
* 4. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#) $Header: /cvsroot/nsnam/ns-2/apps/sctp_app1.cc,v 1.1 2003/08/21 18:25:59 haldar Exp $ */
#include "random.h"
#include "sctp.h"
#include "sctp_app1.h"
extern double tcplib_telnet_interarrival();
AppData_S *data_to_transport = NULL;
static class SctpApp1Class : public TclClass {
public:
SctpApp1Class() : TclClass("Application/SctpApp1") {}
TclObject* create(int, const char*const*) {
return (new SctpApp1);
}
} class_app_sctp;
SctpApp1::SctpApp1() : running_(0), timer_(this)
{
bind("interval_", &interval_);
bind("numUnreliable_", &numUnreliable);
bind("numStreams_", &numStreams);
bind("reliability_", &reliability);
}
void SctpApp1Timer::expire(Event*)
{
t_->timeout();
}
void SctpApp1::start()
{
running_ = 1;
double t = next();
timer_.sched(t);
}
void SctpApp1::stop()
{
running_ = 0;
}
void SctpApp1::timeout()
{
if (running_) {
data_to_transport = new AppData_S;
memset(data_to_transport, 0, sizeof(AppData_S));
data_to_transport->usNumStreams = numStreams;
data_to_transport->usNumUnreliable = numUnreliable;
data_to_transport->usReliability = reliability;
data_to_transport->uiNumBytes = 257;
agent_->sendmsg(agent_->size(), (char*)data_to_transport);
/* reschedule the timer */
double t = next();
timer_.resched(t);
}
}
double SctpApp1::next()
{
if (interval_ == 0)
/* use tcplib */
return tcplib_telnet_interarrival();
else
return Random::exponential() * interval_;
}
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