Files
unison/src/network/utils/packet-probe.cc
2015-08-18 16:46:10 -07:00

121 lines
3.4 KiB
C++

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011 Bucknell University
*
* 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
*
* Authors: L. Felipe Perrone (perrone@bucknell.edu)
* Tiago G. Rodrigues (tgr002@bucknell.edu)
*
* Modified by: Mitch Watrous (watrous@u.washington.edu)
*/
#include "ns3/packet-probe.h"
#include "ns3/object.h"
#include "ns3/log.h"
#include "ns3/names.h"
#include "ns3/config.h"
#include "ns3/trace-source-accessor.h"
namespace ns3 {
NS_LOG_COMPONENT_DEFINE ("PacketProbe");
NS_OBJECT_ENSURE_REGISTERED (PacketProbe);
TypeId
PacketProbe::GetTypeId ()
{
static TypeId tid = TypeId ("ns3::PacketProbe")
.SetParent<Probe> ()
.SetGroupName("Network")
.AddConstructor<PacketProbe> ()
.AddTraceSource ( "Output",
"The packet that serve as the output for this probe",
MakeTraceSourceAccessor (&PacketProbe::m_output),
"ns3::Packet::TracedCallback")
.AddTraceSource ( "OutputBytes",
"The number of bytes in the packet",
MakeTraceSourceAccessor (&PacketProbe::m_outputBytes),
"ns3::Packet::SizeTracedCallback")
;
return tid;
}
PacketProbe::PacketProbe ()
{
NS_LOG_FUNCTION (this);
m_packet = 0;
}
PacketProbe::~PacketProbe ()
{
NS_LOG_FUNCTION (this);
}
void
PacketProbe::SetValue (Ptr<const Packet> packet)
{
NS_LOG_FUNCTION (this << packet);
m_packet = packet;
m_output (packet);
uint32_t packetSizeNew = packet->GetSize ();
m_outputBytes (m_packetSizeOld, packetSizeNew);
m_packetSizeOld = packetSizeNew;
}
void
PacketProbe::SetValueByPath (std::string path, Ptr<const Packet> packet)
{
NS_LOG_FUNCTION (path << packet);
Ptr<PacketProbe> probe = Names::Find<PacketProbe> (path);
NS_ASSERT_MSG (probe, "Error: Can't find probe for path " << path);
probe->SetValue (packet);
}
bool
PacketProbe::ConnectByObject (std::string traceSource, Ptr<Object> obj)
{
NS_LOG_FUNCTION (this << traceSource << obj);
NS_LOG_DEBUG ("Name of probe (if any) in names database: " << Names::FindPath (obj));
bool connected = obj->TraceConnectWithoutContext (traceSource, MakeCallback (&ns3::PacketProbe::TraceSink, this));
return connected;
}
void
PacketProbe::ConnectByPath (std::string path)
{
NS_LOG_FUNCTION (this << path);
NS_LOG_DEBUG ("Name of probe to search for in config database: " << path);
Config::ConnectWithoutContext (path, MakeCallback (&ns3::PacketProbe::TraceSink, this));
}
void
PacketProbe::TraceSink (Ptr<const Packet> packet)
{
NS_LOG_FUNCTION (this << packet);
if (IsEnabled ())
{
m_packet = packet;
m_output (packet);
uint32_t packetSizeNew = packet->GetSize ();
m_outputBytes (m_packetSizeOld, packetSizeNew);
m_packetSizeOld = packetSizeNew;
}
}
} // namespace ns3