rott/rottcom/ROTTIPX/IPXNET.H

124 lines
3.3 KiB
C

/*
Copyright (C) 1994-1995 Apogee Software, Ltd.
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.
*/
// ipxnet.h
#include "c:\merge\rottnet.h"
typedef struct
{
char private[MAXPACKETSIZE];
} rottdata_t;
#include "global.h"
//===========================================================================
#define NUMPACKETS 8 // max outstanding packets before loss
#define NUMPACKETSPERPLAYER 3 // max outstanding packets per player before loss
#define MAXPACKETS (8*NUMPACKETSPERPLAYER)
// setupdata_t is used as rottdata_t during setup
typedef struct
{
short client;
short playernumber;
short command;
short extra;
short numplayers;
} setupdata_t;
typedef struct IPXPacketStructure
{
WORD PacketCheckSum; /* high-low */
WORD PacketLength; /* high-low */
BYTE PacketTransportControl;
BYTE PacketType;
BYTE dNetwork[4]; /* high-low */
BYTE dNode[6]; /* high-low */
BYTE dSocket[2]; /* high-low */
BYTE sNetwork[4]; /* high-low */
BYTE sNode[6]; /* high-low */
BYTE sSocket[2]; /* high-low */
} IPXPacket;
typedef struct
{
BYTE network[4]; /* high-low */
BYTE node[6]; /* high-low */
} localadr_t;
typedef struct
{
BYTE node[6]; /* high-low */
} nodeadr_t;
typedef struct ECBStructure
{
WORD Link[2]; /* offset-segment */
WORD ESRAddress[2]; /* offset-segment */
BYTE InUseFlag;
BYTE CompletionCode;
WORD ECBSocket; /* high-low */
BYTE IPXWorkspace[4]; /* N/A */
BYTE DriverWorkspace[12]; /* N/A */
BYTE ImmediateAddress[6]; /* high-low */
WORD FragmentCount; /* low-high */
WORD fAddress[2]; /* offset-segment */
WORD fSize; /* low-high */
WORD f2Address[2]; /* offset-segment */
WORD f2Size; /* low-high */
} ECB;
// time is used by the communication driver to sequence packets returned
// to rott when more than one is waiting
typedef struct
{
ECB ecb;
IPXPacket ipx;
long time;
rottdata_t data;
} packet_t;
extern nodeadr_t nodeadr[MAXNETNODES+1];
extern int localnodenum;
extern long ipxlocaltime; // for time stamp in packets
extern long remotetime; // timestamp of last packet gotten
extern nodeadr_t remoteadr;
void InitNetwork (void);
void ShutdownNetwork (void);
void SendPacket (int destination);
int GetPacket (void);