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Created V0.3.x branch and moved the head into the trunk directory.

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@246 b45a01b8-16f6-495d-af2f-9b41ad6348cc
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drbob 2007-11-15 03:18:48 +00:00
commit 935745a08e
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libretroshare/src/tcponudp/tcppacket.h Normal file
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/*
* "$Id: tcppacket.h,v 1.3 2007-02-18 21:46:50 rmf24 Exp $"
*
* TCP-on-UDP (tou) network interface for RetroShare.
*
* Copyright 2004-2006 by Robert Fernie.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License Version 2 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Please report all bugs and problems to "retroshare@lunamutt.com".
*
*/
#ifndef TOU_TCP_PACKET_H
#define TOU_TCP_PACKET_H
#include <sys/types.h>
typedef unsigned int uint32;
typedef unsigned short uint16;
typedef unsigned char uint8;
#define TCP_PSEUDO_HDR_SIZE 20
class TcpPacket
{
public:
uint8 *data;
int datasize;
/* ports aren't needed -> in udp
* uint16 srcport, destport
**************************/
uint32 seqno, ackno;
uint16 hlen_flags;
uint16 winsize;
/* don't need these -> in udp + not supported
uint16 chksum, urgptr;
**************************/
/* no options.
**************************/
/* other variables */
double ts; /* transmit time */
uint8 retrans; /* retransmit counter */
TcpPacket(uint8 *ptr, int size);
TcpPacket(); /* likely control packet */
~TcpPacket();
int writePacket(void *buf, int &size);
int readPacket(void *buf, int size);
void *getData();
void *releaseData();
void *setData(void *data, int size);
int getDataSize();
/* flags */
bool hasSyn();
bool hasFin();
bool hasAck();
bool hasRst();
void setSyn();
void setFin();
void setRst();
void setAckFlag();
void setAck(uint32 val);
uint32 getAck();
};
#endif