application.cc

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/*
 * Copyright (c) 2006 Georgia Tech Research Corporation
 *
 * 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: George F. Riley<riley@ece.gatech.edu>
 */
 
// Implementation for ns3 Application base class.
// George F. Riley, Georgia Tech, Fall 2006
 
#include "application.h"
 
#include "ns3/log.h"
#include "ns3/node.h"
#include "ns3/nstime.h"
#include "ns3/simulator.h"
 
namespace ns3
{
 
NS_LOG_COMPONENT_DEFINE("Application");
 
NS_OBJECT_ENSURE_REGISTERED(Application);
 
// Application Methods
 
TypeId
Application::GetTypeId()
{
    static TypeId tid = TypeId("ns3::Application")
                            .SetParent<Object>()
                            .SetGroupName("Network")
                            .AddAttribute("StartTime",
                                          "Time at which the application will start",
                                          TimeValue(Seconds(0.0)),
                                          MakeTimeAccessor(&Application::m_startTime),
                                          MakeTimeChecker())
                            .AddAttribute("StopTime",
                                          "Time at which the application will stop",
                                          TimeValue(TimeStep(0)),
                                          MakeTimeAccessor(&Application::m_stopTime),
                                          MakeTimeChecker());
    return tid;
}
 
// \brief Application Constructor
Application::Application()
{
    NS_LOG_FUNCTION(this);
}
 
// \brief Application Destructor
Application::~Application()
{
    NS_LOG_FUNCTION(this);
}
 
void
Application::SetStartTime(Time start)
{
    NS_LOG_FUNCTION(this << start);
    m_startTime = start;
}
 
void
Application::SetStopTime(Time stop)
{
    NS_LOG_FUNCTION(this << stop);
    m_stopTime = stop;
}
 
void
Application::DoDispose()
{
    NS_LOG_FUNCTION(this);
    m_node = nullptr;
    m_startEvent.Cancel();
    m_stopEvent.Cancel();
    Object::DoDispose();
}
 
void
Application::DoInitialize()
{
    NS_LOG_FUNCTION(this);
    m_startEvent = Simulator::Schedule(m_startTime, &Application::StartApplication, this);
    if (m_stopTime != TimeStep(0))
    {
        m_stopEvent = Simulator::Schedule(m_stopTime, &Application::StopApplication, this);
    }
    Object::DoInitialize();
}
 
Ptr<Node>
Application::GetNode() const
{
    NS_LOG_FUNCTION(this);
    return m_node;
}
 
void
Application::SetNode(Ptr<Node> node)
{
    NS_LOG_FUNCTION(this);
    m_node = node;
}
 
// Protected methods
// StartApp and StopApp will likely be overridden by application subclasses
void
Application::StartApplication()
{ // Provide null functionality in case subclass is not interested
    NS_LOG_FUNCTION(this);
}
 
void
Application::StopApplication()
{ // Provide null functionality in case subclass is not interested
    NS_LOG_FUNCTION(this);
}
 
} // namespace ns3