137 lines
3.4 KiB
C++
137 lines
3.4 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2006,2007 INRIA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#include "ns3/tag.h"
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#include "ns3/packet.h"
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#include <iostream>
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using namespace ns3;
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// define this class in a public header
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class MyTag : public Tag
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{
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public:
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// we have to define a public constructor
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MyTag ();
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// we have to define a public copy constructor
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MyTag (const MyTag &other);
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// we have to define a public destructor
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~MyTag ();
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// we have to define a public static GetUid method
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static uint32_t GetUid (void);
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// we have to define a public Print method
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void Print (std::ostream &os) const;
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// we have to define a public GetSerializedSize method
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uint32_t GetSerializedSize (void) const;
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// we have to define a public Serialize method
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void Serialize (Buffer::Iterator i) const;
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// we have to define a public Deserialize method
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uint32_t Deserialize (Buffer::Iterator i);
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// these are our accessors to our tag structure
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void SetSimpleValue (uint8_t value);
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uint8_t GetSimpleValue (void) const;
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private:
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uint8_t m_simpleValue;
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};
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MyTag::MyTag ()
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{}
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MyTag::MyTag (const MyTag &other)
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: m_simpleValue (other.m_simpleValue)
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{}
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MyTag::~MyTag ()
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{}
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uint32_t
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MyTag::GetUid (void)
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{
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// we input a unique string to AllocateUid
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// to avoid name collisions.
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static uint32_t uid = AllocateUid<MyTag> ("MyTag.tests.nsnam.org");
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return uid;
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}
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void
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MyTag::Print (std::ostream &os) const
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{
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// print the content of this tag for Packet::PrintTags
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os << "MyTag=0x" << std::hex << (uint32_t)m_simpleValue << std::dec;
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}
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uint32_t
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MyTag::GetSerializedSize (void) const
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{
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// we do not want to deal with parallel simulations
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// so we return 0.
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return 0;
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}
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void
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MyTag::Serialize (Buffer::Iterator i) const
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{
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// we will never be invoked because we are not doing
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// parallel simulations so, we assert.
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NS_ASSERT (false);
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}
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uint32_t
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MyTag::Deserialize (Buffer::Iterator i)
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{
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// we will never be invoked because we are not doing
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// parallel simulations so, we assert.
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NS_ASSERT (false);
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// theoretically, return the number of bytes read
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return 0;
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}
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void
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MyTag::SetSimpleValue (uint8_t value)
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{
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m_simpleValue = value;
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}
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uint8_t
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MyTag::GetSimpleValue (void) const
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{
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return m_simpleValue;
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}
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int main (int argc, char *argv[])
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{
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// create a tag.
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MyTag tag;
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tag.SetSimpleValue (0x56);
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// store the tag in a packet.
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Packet p;
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p.AddTag (tag);
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// create a copy of the packet
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Packet aCopy = p;
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// read the tag from the packet copy
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MyTag tagCopy;
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p.PeekTag (tagCopy);
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// the copy and the original are the same !
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NS_ASSERT (tagCopy.GetSimpleValue () == tag.GetSimpleValue ());
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aCopy.PrintTags (std::cout);
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std::cout << std::endl;
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return 0;
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}
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