on-off-helper.cc

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/*
 * Copyright (c) 2008 INRIA
 *
 * 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
 *
 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
 */
#include "on-off-helper.h"
 
#include "ns3/data-rate.h"
#include "ns3/inet-socket-address.h"
#include "ns3/names.h"
#include "ns3/onoff-application.h"
#include "ns3/packet-socket-address.h"
#include "ns3/random-variable-stream.h"
#include "ns3/string.h"
#include "ns3/uinteger.h"
 
namespace ns3
{
 
OnOffHelper::OnOffHelper(std::string protocol, Address address)
{
    m_factory.SetTypeId("ns3::OnOffApplication");
    m_factory.Set("Protocol", StringValue(protocol));
    m_factory.Set("Remote", AddressValue(address));
}
 
void
OnOffHelper::SetAttribute(std::string name, const AttributeValue& value)
{
    m_factory.Set(name, value);
}
 
ApplicationContainer
OnOffHelper::Install(Ptr<Node> node) const
{
    return ApplicationContainer(InstallPriv(node));
}
 
ApplicationContainer
OnOffHelper::Install(std::string nodeName) const
{
    Ptr<Node> node = Names::Find<Node>(nodeName);
    return ApplicationContainer(InstallPriv(node));
}
 
ApplicationContainer
OnOffHelper::Install(NodeContainer c) const
{
    ApplicationContainer apps;
    for (NodeContainer::Iterator i = c.Begin(); i != c.End(); ++i)
    {
        apps.Add(InstallPriv(*i));
    }
 
    return apps;
}
 
Ptr<Application>
OnOffHelper::InstallPriv(Ptr<Node> node) const
{
    Ptr<Application> app = m_factory.Create<Application>();
    node->AddApplication(app);
 
    return app;
}
 
int64_t
OnOffHelper::AssignStreams(NodeContainer c, int64_t stream)
{
    int64_t currentStream = stream;
    Ptr<Node> node;
    for (NodeContainer::Iterator i = c.Begin(); i != c.End(); ++i)
    {
        node = (*i);
        for (uint32_t j = 0; j < node->GetNApplications(); j++)
        {
            Ptr<OnOffApplication> onoff = DynamicCast<OnOffApplication>(node->GetApplication(j));
            if (onoff)
            {
                currentStream += onoff->AssignStreams(currentStream);
            }
        }
    }
    return (currentStream - stream);
}
 
void
OnOffHelper::SetConstantRate(DataRate dataRate, uint32_t packetSize)
{
    m_factory.Set("OnTime", StringValue("ns3::ConstantRandomVariable[Constant=1000]"));
    m_factory.Set("OffTime", StringValue("ns3::ConstantRandomVariable[Constant=0]"));
    m_factory.Set("DataRate", DataRateValue(dataRate));
    m_factory.Set("PacketSize", UintegerValue(packetSize));
}
 
} // namespace ns3