mirror of
https://github.com/RetroShare/RetroShare.git
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91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
/*******************************************************************************
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* libretroshare/src/tcponudp: tcppacket.h *
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* *
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* libretroshare: retroshare core library *
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* *
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* Copyright 2004-2006 by Robert Fernie <retroshare@lunamutt.com> *
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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 Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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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 Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#ifndef TOU_TCP_PACKET_H
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#define TOU_TCP_PACKET_H
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#include <sys/types.h>
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typedef unsigned int uint32;
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typedef unsigned short uint16;
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typedef unsigned char uint8;
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#define TCP_PSEUDO_HDR_SIZE 20
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class TcpPacket
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{
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public:
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uint8 *data;
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int datasize;
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/* ports aren't needed -> in udp
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* uint16 srcport, destport
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**************************/
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uint32 seqno, ackno;
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uint16 hlen_flags;
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uint16 winsize;
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/* don't need these -> in udp + not supported
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uint16 chksum, urgptr;
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**************************/
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/* no options.
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**************************/
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/* other variables */
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double ts; /* transmit time */
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uint16 retrans; /* retransmit counter */
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TcpPacket(uint8 *ptr, int size);
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TcpPacket(); /* likely control packet */
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~TcpPacket();
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int writePacket(void *buf, int &size);
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int readPacket(void *buf, int size);
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void *getData();
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void *releaseData();
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void *setData(void *data, int size);
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int getDataSize();
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/* flags */
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bool hasSyn();
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bool hasFin();
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bool hasAck();
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bool hasRst();
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void setSyn();
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void setFin();
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void setRst();
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void setAckFlag();
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void setAck(uint32 val);
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uint32 getAck();
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};
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#endif
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