A Discrete-Event Network Simulator
API
onionvalidator.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 
3 
4 /*
5 * Copyright (c) 2020 DLTLT
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation;
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 * Corresponding author: Niki Hrovatin <niki.hrovatin@famnit.upr.si>
21 */
22 
23 
24 #include "onionvalidator.h"
25 
26 namespace ns3 {
27 
28 //Zagotovi, da se registrira TypeId
29 NS_OBJECT_ENSURE_REGISTERED (OnionValidator);
30 
31 NS_LOG_COMPONENT_DEFINE ("oniionvalidator");
32 
33 TypeId
34 OnionValidator::GetTypeId (void)
35 {
36  static TypeId tid =
37  TypeId ("ns3::OnionValidator").SetParent<Object> ().AddConstructor<OnionValidator> ();
38  return tid;
39 }
40 
41 OnionValidator::OnionValidator ()
42 {
43 }
44 
45 OnionValidator::~OnionValidator ()
46 {
47 }
48 
50 
51 void
52 OnionValidator::StartOnion (int seq_n)
53 {
54  m_onionSeq = seq_n;
55 }
56 
57 
58 bool
59 OnionValidator::OnionStatus (void)
60 {
61 
62  if (m_onionSeq == 0)
63  {
64  return false;
65  }
66  else
67  {
68  return true;
69  }
70 }
71 
72 /*
73 Check if onion at hop was received, othervise abort sending
74 
75 */
76 
77 bool
78 OnionValidator::CheckOnionReceived (int hop)
79 {
80 
81  if (hop == this->m_hopCount)
82  {
83  //abort sending the onion
84  m_onionSeq = 0; // 0 is sequence 0 null value!!! onion will be deleted
85  return false;
86  }
87  return true;
88 }
89 
90 //changes state of the onion status
91 int
92 OnionValidator::OnionHopCount (void)
93 {
94  return this->m_hopCount;
95 }
96 
97 //Get the onion sequence number
98 int
99 OnionValidator::GetOnionSeq (void)
100 {
101  return m_onionSeq;
102 }
103 
104 //signals that the onion was completely received
105 void
106 OnionValidator::OnionReceived (void)
107 {
108  this->m_hopCount++;
109 }
110 
111 } // namespace ns3
ns3
Definition: sensornode-helper.cc:26
ns3::OnionValidator::GetOnionSeq
int GetOnionSeq(void)
Return the current onion sequence number (the onionId)
Definition: onionvalidator.cc:99
ns3::OnionValidator::m_onionSeq
int m_onionSeq
the onionId of the onion currently transiting the network
Definition: onionvalidator.h:131
ns3::OnionValidator::OnionReceived
void OnionReceived(void)
The onion was correctly received, increment the hop count.
Definition: onionvalidator.cc:106
ns3::OnionValidator::m_hopCount
int m_hopCount
a sequence number incremented each time a node correctly receives an onion message
Definition: onionvalidator.h:133
ns3::OnionValidator::CheckOnionReceived
bool CheckOnionReceived(int hop)
Called by the sensor nodes when the m_onionTimeout elapses IF m_hopCount is equal to hop then the oni...
Definition: onionvalidator.cc:78
ns3::OnionValidator::~OnionValidator
~OnionValidator()
Default destructor.
Definition: onionvalidator.cc:45
ns3::OnionValidator::OnionValidator
OnionValidator()
Default constructor.
Definition: onionvalidator.cc:41
ns3::OnionValidator::GetTypeId
static TypeId GetTypeId(void)
Definition: onionvalidator.cc:34
ns3::OnionValidator::OnionStatus
bool OnionStatus(void)
Called by the sink node to check if the onion is still running or is aborted.
Definition: onionvalidator.cc:59
onionvalidator.h
ns3::OnionValidator::OnionHopCount
int OnionHopCount(void)
Return the current hop sequence number.
Definition: onionvalidator.cc:92
ns3::OnionValidator::StartOnion
void StartOnion(int seq_n)
Called by the sink node, set up the m_onionSeq to the onionId value for keeping track of the onion.
Definition: onionvalidator.cc:52