one-shot-sender.cc

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/*
 * Copyright (c) 2017 University of Padova
 *
 * 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: Davide Magrin <magrinda@dei.unipd.it>
 */
 
#include "one-shot-sender.h"
 
#include "class-a-end-device-lorawan-mac.h"
#include "lora-net-device.h"
 
#include "ns3/double.h"
#include "ns3/log.h"
#include "ns3/pointer.h"
#include "ns3/string.h"
 
namespace ns3
{
namespace lorawan
{
 
NS_LOG_COMPONENT_DEFINE("OneShotSender");
 
NS_OBJECT_ENSURE_REGISTERED(OneShotSender);
 
TypeId
OneShotSender::GetTypeId()
{
    static TypeId tid = TypeId("ns3::OneShotSender")
                            .SetParent<Application>()
                            .AddConstructor<OneShotSender>()
                            .SetGroupName("lorawan");
    return tid;
}
 
OneShotSender::OneShotSender()
{
    NS_LOG_FUNCTION_NOARGS();
}
 
OneShotSender::OneShotSender(Time sendTime)
    : m_sendTime(sendTime)
{
    NS_LOG_FUNCTION_NOARGS();
}
 
OneShotSender::~OneShotSender()
{
    NS_LOG_FUNCTION_NOARGS();
}
 
void
OneShotSender::SetSendTime(Time sendTime)
{
    NS_LOG_FUNCTION(this << sendTime);
 
    m_sendTime = sendTime;
}
 
void
OneShotSender::SendPacket()
{
    NS_LOG_FUNCTION(this);
 
    // Create and send a new packet
    Ptr<Packet> packet = Create<Packet>(10);
    m_mac->Send(packet);
}
 
void
OneShotSender::StartApplication()
{
    NS_LOG_FUNCTION(this);
 
    // Make sure we have a MAC layer
    if (!m_mac)
    {
        // Assumes there's only one device
        Ptr<LoraNetDevice> loraNetDevice = m_node->GetDevice(0)->GetObject<LoraNetDevice>();
 
        m_mac = loraNetDevice->GetMac();
        NS_ASSERT(m_mac);
    }
 
    // Schedule the next SendPacket event
    Simulator::Cancel(m_sendEvent);
    m_sendEvent = Simulator::Schedule(m_sendTime, &OneShotSender::SendPacket, this);
}
 
void
OneShotSender::StopApplication()
{
    NS_LOG_FUNCTION_NOARGS();
    Simulator::Cancel(m_sendEvent);
}
} // namespace lorawan
} // namespace ns3