tcp_fsm.h

00001 /**
00002  * @file tcp_fsm.h
00003  * @brief TCP finite state machine
00004  *
00005  * @section License
00006  *
00007  * Copyright (C) 2010-2017 Oryx Embedded SARL. All rights reserved.
00008  *
00009  * This file is part of CycloneTCP Open.
00010  *
00011  * This program is free software; you can redistribute it and/or
00012  * modify it under the terms of the GNU General Public License
00013  * as published by the Free Software Foundation; either version 2
00014  * of the License, or (at your option) any later version.
00015  *
00016  * This program is distributed in the hope that it will be useful,
00017  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  * GNU General Public License for more details.
00020  *
00021  * You should have received a copy of the GNU General Public License
00022  * along with this program; if not, write to the Free Software Foundation,
00023  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00024  *
00025  * @author Oryx Embedded SARL (www.oryx-embedded.com)
00026  * @version 1.7.6
00027  **/
00028 
00029 #ifndef _TCP_FSM_H
00030 #define _TCP_FSM_H
00031 
00032 //Dependencies
00033 #include "core/tcp.h"
00034 
00035 //TCP FSM related functions
00036 void tcpProcessSegment(NetInterface *interface,
00037    IpPseudoHeader *pseudoHeader, const NetBuffer *buffer, size_t offset);
00038 
00039 void tcpStateClosed(NetInterface *interface,
00040    IpPseudoHeader *pseudoHeader, TcpHeader *segment, size_t length);
00041 
00042 void tcpStateListen(Socket *socket, NetInterface *interface,
00043    IpPseudoHeader *pseudoHeader, TcpHeader *segment, size_t length);
00044 
00045 void tcpStateSynSent(Socket *socket, TcpHeader *segment, size_t length);
00046 
00047 void tcpStateSynReceived(Socket *socket, TcpHeader *segment,
00048    const NetBuffer *buffer, size_t offset, size_t length);
00049 
00050 void tcpStateEstablished(Socket *socket, TcpHeader *segment,
00051    const NetBuffer *buffer, size_t offset, size_t length);
00052 
00053 void tcpStateCloseWait(Socket *socket, TcpHeader *segment, size_t length);
00054 
00055 void tcpStateLastAck(Socket *socket, TcpHeader *segment, size_t length);
00056 
00057 void tcpStateFinWait1(Socket *socket, TcpHeader *segment,
00058    const NetBuffer *buffer, size_t offset, size_t length);
00059 
00060 void tcpStateFinWait2(Socket *socket, TcpHeader *segment,
00061    const NetBuffer *buffer, size_t offset, size_t length);
00062 
00063 void tcpStateClosing(Socket *socket, TcpHeader *segment, size_t length);
00064 
00065 void tcpStateTimeWait(Socket *socket, TcpHeader *segment, size_t length);
00066 
00067 #endif
00068