ns3tcp-socket-writer.cc

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/*
 * Copyright (c) 2010 University of Washington
 *
 * 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
 */
 
#include "ns3tcp-socket-writer.h"
 
#include "ns3/packet.h"
#include "ns3/tcp-socket-factory.h"
 
namespace ns3
{
 
SocketWriter::SocketWriter()
    : m_node(nullptr),
      m_socket(nullptr),
      m_isSetup(false),
      m_isConnected(false)
{
}
 
SocketWriter::~SocketWriter()
{
    m_socket = nullptr;
    m_node = nullptr;
}
 
/* static */
TypeId
SocketWriter::GetTypeId()
{
    static TypeId tid = TypeId("ns3::SocketWriter")
                            .SetParent<Application>()
                            .SetGroupName("Stats")
                            .AddConstructor<SocketWriter>();
    return tid;
}
 
void
SocketWriter::StartApplication()
{
    m_socket = Socket::CreateSocket(m_node, TcpSocketFactory::GetTypeId());
    m_socket->Bind();
}
 
void
SocketWriter::StopApplication()
{
}
 
void
SocketWriter::Setup(Ptr<Node> node, Address peer)
{
    m_peer = peer;
    m_node = node;
    m_isSetup = true;
}
 
void
SocketWriter::Connect()
{
    if (!m_isSetup)
    {
        NS_FATAL_ERROR("Forgot to call Setup() first");
    }
    m_socket->Connect(m_peer);
    m_isConnected = true;
}
 
void
SocketWriter::Write(uint32_t numBytes)
{
    if (!m_isConnected)
    {
        Connect();
    }
    Ptr<Packet> packet = Create<Packet>(numBytes);
    m_socket->Send(packet);
}
 
void
SocketWriter::Close()
{
    m_socket->Close();
}
} // namespace ns3