--- a/src/internet-node/pending-data.cc Mon Jun 09 11:39:29 2008 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,200 +0,0 @@
-/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-//
-// Copyright (c) 2006 Georgia Tech Research Corporation
-//
-// 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
-//
-// Author: Rajib Bhattacharjea<raj.b@gatech.edu>
-//
-
-
-// This is a port of Data PDU Headers from:
-// Georgia Tech Network Simulator
-// George F. Riley. Georgia Tech, Spring 2002
-
-#include <iostream>
-#include <algorithm>
-
-#include <string.h>
-
-#include "pending-data.h"
-#include "ns3/fatal-error.h"
-namespace ns3
-{
-
-PendingData::PendingData () : size (0), data (0),
- msgSize (0), responseSize (0)
-{
-}
-
-PendingData::PendingData (uint32_t s, uint8_t* d, uint32_t msg, uint32_t resp)
- : size (s), data (0), msgSize (msg), responseSize (resp)
-{
- if (d)
- {
- data.push_back (Create<Packet> (d, size));
- }
-}
-
-PendingData::PendingData(const std::string& s)
- : size (s.length () + 1), data (0),
- msgSize (0), responseSize (0)
-{
- data.push_back (Create<Packet> ((uint8_t*)s.c_str(), size));
-}
-
-PendingData::PendingData(const PendingData& c)
- : size (c.Size ()), data (c.data),
- msgSize (c.msgSize), responseSize (c.responseSize)
-{
-}
-
-PendingData::~PendingData()
-{
-}
-
-PendingData* PendingData::Copy () const
-{
- return new PendingData (*this);
-};
-
-PendingData* PendingData::CopyS (uint32_t s)
-{ // Copy, but with new size (assumes no associated data);
- return new PendingData (s, 0, msgSize, responseSize);
-}
-
-PendingData* PendingData::CopySD (uint32_t s, uint8_t* d)
-{ // Copy, but with new size (assumes no associated data);
- return new PendingData (s, d, msgSize, responseSize);
-}
-
-void PendingData::Clear ()
-{ // Remove all pending data
- data.clear();
- size = 0;
-}
-
-void PendingData::Add (uint32_t s, const uint8_t* d)
-{
- if (d == 0)
- {
- data.push_back(Create<Packet> (d,s));
- }
- else
- {
- data.push_back(Create<Packet> (s));
- }
- size += s;
-}
-
-void PendingData::Add (Ptr<Packet> p)
-{
- data.push_back(p);
- size += p->GetSize();
-}
-
-uint32_t PendingData::SizeFromSeq (const SequenceNumber& f, const SequenceNumber& o)
-{
- uint32_t o1 = OffsetFromSeq (f,o); // Offset to start of unused data
- return SizeFromOffset (o1); // Amount of data after offset
-}
-
-uint32_t PendingData::SizeFromOffset (uint32_t o)
-{ // Find out how much data is available from offset
- if (o > size) return 0; // No data at requested offset
- return size - o; // Available data after offset
-}
-
-uint32_t PendingData::OffsetFromSeq (const SequenceNumber& f, const SequenceNumber& o)
-{ // f is the first sequence number in this data, o is offset sequence
- if (o < f)
- {
- return 0; // HuH? Shouldn't happen
- }
- return o - f;
-}
-
-Ptr<Packet> PendingData::CopyFromOffset (uint32_t s, uint32_t o)
-{ // Make a copy of data from starting position "o" for "s" bytes
- // Return NULL if results in zero length data
- uint32_t s1 = std::min (s, SizeFromOffset (o)); // Insure not beyond end of data
- if (s1 == 0)
- {
- return 0; // No data requested
- }
- if (data.size() != 0)
- { // Actual data exists, make copy and return it
- uint32_t count = 0;
- std::vector<Ptr<Packet> >::size_type begin = 0;
- bool beginFound = false;
- std::vector<Ptr<Packet> >::size_type end = 0;
- Ptr<Packet> outPacket;
- Ptr<Packet> endFragment;
- for (std::vector<Ptr<Packet> >::size_type i=0;i<data.size();++i)
- {
- count+=data[i]->GetSize();
- if (!beginFound)
- {
- if (count > o)
- {
- if (count >= o + s1) //then just copy within this packet
- {
- Ptr<Packet> toFragment = data[i];
- uint32_t packetStart = count - toFragment->GetSize();
- uint32_t packetOffset = o - packetStart;
- outPacket = toFragment->CreateFragment (packetOffset, s1);
- return outPacket;
- }
- begin = i;
- beginFound = true;
- Ptr<Packet> toFragment = data[begin];
- uint32_t packetStart = count - toFragment->GetSize();
- uint32_t packetOffset = o - packetStart;
- uint32_t fragmentLength = count - o;
- outPacket = toFragment->CreateFragment (packetOffset, fragmentLength);
- }
- }
- else
- {
- if (count >= o + s1)
- {
- end = i;
- Ptr<Packet> toFragment = data[end];
- uint32_t packetStart = count - toFragment->GetSize();
- uint32_t fragmentLength = o + s1 - packetStart;
- endFragment = toFragment->CreateFragment(0, fragmentLength);
- break;
- }
- }
- }
- for (std::vector<Ptr<Packet> >::size_type i=begin+1;i<end;++i)
- {
- outPacket->AddAtEnd (data[i]);
- }
- outPacket->AddAtEnd(endFragment);
- NS_ASSERT(outPacket->GetSize() == s1);
- return outPacket;
- }
- else
- { // No actual data, just return dummy-data packet of correct size
- return Create<Packet> (s1);
- }
-}
-
-Ptr<Packet> PendingData::CopyFromSeq (uint32_t s, const SequenceNumber& f, const SequenceNumber& o)
-{
- return CopyFromOffset (s, OffsetFromSeq(f,o));
-}
-
-}//namepsace ns3