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/*
* Copyright (C) 2002-2010 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
/* $Id: ipx.h,v 1.13 2009-05-27 09:15:41 qbix79 Exp $ */
#ifndef DOSBOX_IPX_H
#define DOSBOX_IPX_H
// Uncomment this for a lot of debug messages:
//#define IPX_DEBUGMSG
#ifdef IPX_DEBUGMSG
#define LOG_IPX LOG_MSG
#else
#if defined (_MSC_VER)
#define LOG_IPX
#else
#define LOG_IPX(...)
#endif
#endif
#ifndef DOSBOX_DOSBOX_H
#include "dosbox.h"
#endif
#ifndef DOSBOX_MEM_H
#include "mem.h"
#endif
// In Use Flag codes
#define USEFLAG_AVAILABLE 0x00
#define USEFLAG_AESTEMP 0xe0
#define USEFLAG_IPXCRIT 0xf8
#define USEFLAG_SPXLISTEN 0xf9
#define USEFLAG_PROCESSING 0xfa
#define USEFLAG_HOLDING 0xfb
#define USEFLAG_AESWAITING 0xfc
#define USEFLAG_AESCOUNT 0xfd
#define USEFLAG_LISTENING 0xfe
#define USEFLAG_SENDING 0xff
// Completion codes
#define COMP_SUCCESS 0x00
#define COMP_REMOTETERM 0xec
#define COMP_DISCONNECT 0xed
#define COMP_INVALIDID 0xee
#define COMP_SPXTABLEFULL 0xef
#define COMP_EVENTNOTCANCELED 0xf9
#define COMP_NOCONNECTION 0xfa
#define COMP_CANCELLED 0xfc
#define COMP_MALFORMED 0xfd
#define COMP_UNDELIVERABLE 0xfe
#define COMP_HARDWAREERROR 0xff
#ifdef _MSC_VER
#pragma pack(1)
#endif
// For Uint8 type
#include "SDL_net.h"
struct PackedIP {
Uint32 host;
Uint16 port;
} GCC_ATTRIBUTE(packed);
struct nodeType {
Uint8 node[6];
} GCC_ATTRIBUTE(packed) ;
struct IPXHeader {
Uint8 checkSum[2];
Uint8 length[2];
Uint8 transControl; // Transport control
Uint8 pType; // Packet type
struct transport {
Uint8 network[4];
union addrtype {
nodeType byNode;
PackedIP byIP ;
} GCC_ATTRIBUTE(packed) addr;
Uint8 socket[2];
} dest, src;
} GCC_ATTRIBUTE(packed);
struct fragmentDescriptor {
Bit16u offset;
Bit16u segment;
Bit16u size;
};
#define IPXBUFFERSIZE 1424
class ECBClass {
public:
RealPt ECBAddr;
bool isInESRList;
ECBClass *prevECB; // Linked List
ECBClass *nextECB;
Bit8u iuflag; // Need to save data since we are not always in
Bit16u mysocket; // real mode
Bit8u* databuffer; // received data is stored here until we get called
Bitu buflen; // by Interrupt
#ifdef IPX_DEBUGMSG
Bitu SerialNumber;
#endif
ECBClass(Bit16u segment, Bit16u offset);
Bit16u getSocket(void);
Bit8u getInUseFlag(void);
void setInUseFlag(Bit8u flagval);
void setCompletionFlag(Bit8u flagval);
Bit16u getFragCount(void);
bool writeData();
void writeDataBuffer(Bit8u* buffer, Bit16u length);
void getFragDesc(Bit16u descNum, fragmentDescriptor *fragDesc);
RealPt getESRAddr(void);
void NotifyESR(void);
void setImmAddress(Bit8u *immAddr);
void getImmAddress(Bit8u* immAddr);
~ECBClass();
};
// The following routines may not be needed on all systems. On my build of SDL the IPaddress structure is 8 octects
// and therefore screws up my IPXheader structure since it needs to be packed.
void UnpackIP(PackedIP ipPack, IPaddress * ipAddr);
void PackIP(IPaddress ipAddr, PackedIP *ipPack);
#ifdef _MSC_VER
#pragma pack()
#endif
#endif
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