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application-packet-probe.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2011 Bucknell University
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Authors: L. Felipe Perrone (perrone@bucknell.edu)
19  * Tiago G. Rodrigues (tgr002@bucknell.edu)
20  *
21  * Modified by: Mitch Watrous (watrous@u.washington.edu)
22  */
23 
24 #include "ns3/application-packet-probe.h"
25 #include "ns3/object.h"
26 #include "ns3/log.h"
27 #include "ns3/names.h"
28 #include "ns3/config.h"
29 #include "ns3/trace-source-accessor.h"
30 
31 NS_LOG_COMPONENT_DEFINE ("ApplicationPacketProbe");
32 
33 namespace ns3 {
34 
35 NS_OBJECT_ENSURE_REGISTERED (ApplicationPacketProbe);
36 
37 TypeId
39 {
40  static TypeId tid = TypeId ("ns3::ApplicationPacketProbe")
41  .SetParent<Probe> ()
42  .AddConstructor<ApplicationPacketProbe> ()
43  .AddTraceSource ( "Output",
44  "The packet plus its socket address that serve as the output for this probe",
46  .AddTraceSource ( "OutputBytes",
47  "The number of bytes in the packet",
49  ;
50  return tid;
51 }
52 
54 {
55  NS_LOG_FUNCTION (this);
56  m_packet = 0;
57 }
58 
60 {
61  NS_LOG_FUNCTION (this);
62 }
63 
64 void
66 {
67  NS_LOG_FUNCTION (this << packet << address);
68  m_packet = packet;
70  m_output (packet, address);
71 
72  uint32_t packetSizeNew = packet->GetSize ();
73  m_outputBytes (m_packetSizeOld, packetSizeNew);
74  m_packetSizeOld = packetSizeNew;
75 }
76 
77 void
79 {
80  NS_LOG_FUNCTION (path << packet << address);
81  Ptr<ApplicationPacketProbe> probe = Names::Find<ApplicationPacketProbe> (path);
82  NS_ASSERT_MSG (probe, "Error: Can't find probe for path " << path);
83  probe->SetValue (packet, address);
84 }
85 
86 bool
88 {
89  NS_LOG_FUNCTION (this << traceSource << obj);
90  NS_LOG_DEBUG ("Name of probe (if any) in names database: " << Names::FindPath (obj));
91  bool connected = obj->TraceConnectWithoutContext (traceSource, MakeCallback (&ns3::ApplicationPacketProbe::TraceSink, this));
92  return connected;
93 }
94 
95 void
97 {
98  NS_LOG_FUNCTION (this << path);
99  NS_LOG_DEBUG ("Name of probe to search for in config database: " << path);
101 }
102 
103 void
105 {
106  NS_LOG_FUNCTION (this << packet << address);
107  if (IsEnabled ())
108  {
109  m_packet = packet;
110  m_address = address;
111  m_output (packet, address);
112 
113  uint32_t packetSizeNew = packet->GetSize ();
114  m_outputBytes (m_packetSizeOld, packetSizeNew);
115  m_packetSizeOld = packetSizeNew;
116  }
117 }
118 
119 } // namespace ns3