776 lines
21 KiB
C
776 lines
21 KiB
C
/* $Id: ipx.c,v 1.6 2003-10-03 07:58:14 btb Exp $ */
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/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Routines for IPX communications, copied from d1x
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*
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* Old Log:
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* Revision 2.10 1995/03/29 17:27:55 john
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* Added code to not duplicate broadcasts.
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*
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* Revision 2.9 1995/03/29 15:32:07 john
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* NEatened.
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*
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* Revision 2.8 1995/03/29 15:07:31 john
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* Added network support.
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*
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* Revision 2.7 1995/03/29 11:22:27 john
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* Added broadcasting over a net.
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*
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* Revision 2.6 1995/03/28 20:05:03 john
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* Took away alternate server stuff.
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*
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* Revision 2.5 1995/03/23 19:14:29 john
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* Added better MAX_USERS message.
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*
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* Revision 2.4 1995/03/23 19:00:02 john
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* Added user list capabitly.
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*
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* Revision 2.3 1995/03/23 12:27:05 john
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* Move IPX into bios lib.
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*
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* Revision 2.2 1995/03/22 19:08:15 john
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* Added code to fix sending packets over router... now
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* we just need to make broadcasts go over router!!
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*
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* Revision 2.1 1995/03/21 08:40:16 john
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* Ifdef'd out the NETWORK code.
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*
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* Revision 2.0 1995/02/27 11:30:45 john
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* New version 2.0, which has no anonymous unions, builds with
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* Watcom 10.0, and doesn't require parsing BITMAPS.TBL.
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*
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* Revision 1.31 1995/02/16 17:35:03 john
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* Added code to allow dynamic socket changing.
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*
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* Revision 1.30 1995/02/01 21:03:45 john
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* Lintified.
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*
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* Revision 1.29 1995/01/22 14:31:05 john
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* Added key.h
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*
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* Revision 1.28 1995/01/22 14:29:26 john
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* Added code to bypass broadcast messages.
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*
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* Revision 1.27 1995/01/03 13:46:16 john
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* Added code that should make ipx work over different servers,
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* but ifdef'd it out with SHAREWARE in ipx.c. I haven't tested
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* this, and I hope it doesn't introduce net bugs.
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*
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* Revision 1.26 1994/12/14 11:54:37 rob
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* Reduce # of ipx packets.
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*
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* Revision 1.25 1994/12/11 00:43:28 john
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* Locked down DOS ipx buffers... probably not necessary, tho.
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*
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* Revision 1.24 1994/12/08 15:49:58 rob
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* Bumped up the # of ipx packets.
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*
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* Revision 1.23 1994/12/04 15:23:54 rob
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* Reduced packet # constants.
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*
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* Revision 1.22 1994/11/27 23:12:39 matt
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* Made changes for new mprintf calling convention
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*
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* Revision 1.21 1994/11/19 15:15:19 mike
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* remove unused code and data
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*
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* Revision 1.20 1994/11/10 11:06:07 rob
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* Raised number of ipx packets to 64 and buffers to 128 (for 8-way games)
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* Removed (commented out) all the spx support stuff.
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*
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* Revision 1.19 1994/11/07 17:50:12 rob
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* Bumped up max_packets and ipx_num_packets to double their previous
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* values.
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*
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* Revision 1.18 1994/11/07 15:39:01 rob
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* Removed temporary hacked ipx_send_object function.
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* Replaced with a more general thing.
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*
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* Revision 1.17 1994/11/05 16:08:40 rob
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* Made a change necessary for object syncing on rejoin.
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*
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* Revision 1.16 1994/11/01 15:57:12 rob
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* Added support for SPX sockets for critical messages.
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*
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* Revision 1.15 1994/10/31 19:21:01 rob
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* Added a routine for sending objects via ipx. Its a hack and shoukld
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* be replaced by something more general time permitting.
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*
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* Revision 1.14 1994/10/20 14:57:42 john
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* Some test stuff.
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*
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* Revision 1.13 1994/10/20 11:22:45 john
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* Tweaked the number of waiting packets. Added code to print
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* total packets missed, and to limit the packet send rate to
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* 10 packets per second unless firing.
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*
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* Revision 1.12 1994/10/03 20:50:11 john
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* Started adding sound pause functions.
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*
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* Revision 1.11 1994/09/15 08:54:24 mike
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* comment out a mprintf.
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*
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* Revision 1.10 1994/09/12 19:38:20 john
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* Made some stuff that prints to the DOS screen go to the
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* mono instead, since it really is debugging info.
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*
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* Revision 1.9 1994/09/07 13:32:03 john
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* Made ipx_close explicitly close the socket we were using,
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* because it seems that VLM's don't automatically close them
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* like the older NETX stuff did (Going from Novell 3.11 driver
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* to 3.12 anyway).
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*
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* Revision 1.8 1994/09/06 19:29:20 john
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* Added trial version of rejoin function.
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*
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* Revision 1.7 1994/08/09 19:31:50 john
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* Networking changes.
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*
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* Revision 1.6 1994/08/05 16:11:41 john
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* Psuedo working version of networking.
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*
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* Revision 1.5 1994/08/04 19:17:21 john
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* Inbetween version of network stuff.
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*
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* Revision 1.4 1994/07/29 16:08:57 john
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* *** empty log message ***
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*
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* Revision 1.3 1994/07/25 12:33:31 john
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* Network "pinging" in.
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*
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* Revision 1.2 1994/07/20 15:58:28 john
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* First installment of ipx stuff.
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*
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* Revision 1.1 1994/07/19 15:42:00 john
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* Initial revision
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*
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <conf.h>
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#endif
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#ifdef __GNUC__
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#define _BORLAND_DOS_REGS 1
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#define far
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#endif
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#include <i86.h>
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#include <dos.h>
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#include <stdio.h>
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#include <string.h>
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#include <malloc.h>
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#include <stdlib.h>
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#include <conio.h>
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#include <assert.h>
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#include "pstypes.h"
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#include "timer.h"
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#include "ipx.h"
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#include "error.h"
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#include "u_dpmi.h"
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#include "key.h"
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#include "ipx_drv.h"
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typedef unsigned char BYTE;
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typedef unsigned short WORD;
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typedef unsigned long DWORD;
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typedef struct local_address {
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ubyte address[6];
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} __pack__ local_address;
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typedef struct net_address {
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BYTE network_id[4];
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local_address node_id;
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WORD socket_id;
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} __pack__ net_address;
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typedef struct ipx_header {
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WORD checksum;
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WORD length;
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BYTE transport_control;
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BYTE packet_type;
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net_address destination;
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net_address source;
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} __pack__ ipx_header;
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typedef struct ecb_header {
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WORD link[2];
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WORD esr_address[2];
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BYTE in_use;
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BYTE completion_code;
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WORD socket_id;
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BYTE ipx_reserved[14];
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WORD connection_id;
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local_address immediate_address;
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WORD fragment_count;
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WORD fragment_pointer[2];
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WORD fragment_size;
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} __pack__ ecb_header;
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typedef struct packet_data {
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int packetnum;
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byte data[IPX_MAX_DATA_SIZE];
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} __pack__ packet_data;
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typedef struct ipx_packet {
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ecb_header ecb;
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ipx_header ipx;
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packet_data pd;
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} __pack__ ipx_packet;
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static int ipx_packetnum = 0;
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#define MAX_PACKETS 64
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static packet_data packet_buffers[MAX_PACKETS];
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static short packet_free_list[MAX_PACKETS];
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static int num_packets = 0;
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static int largest_packet_index = 0;
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static short packet_size[MAX_PACKETS];
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WORD ipx_socket=0;
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static ubyte ipx_installed=0;
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WORD ipx_vector_segment;
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WORD ipx_vector_offset;
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ubyte ipx_socket_life = 0; // 0=closed at prog termination, 0xff=closed when requested.
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//DWORD ipx_network = 0;
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//local_address ipx_my_node;
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#define ipx_my_node (ipx_MyAddress+4)
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WORD ipx_num_packets=32; // 32 Ipx packets
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ipx_packet * packets;
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int neterrors = 0;
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ushort ipx_packets_selector;
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ecb_header * last_ecb=NULL;
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int lastlen=0;
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static void got_new_packet( ecb_header * ecb );
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static void ipx_listen_for_packet(ecb_header * ecb );
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static void free_packet( int id )
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{
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packet_buffers[id].packetnum = -1;
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packet_free_list[ --num_packets ] = id;
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if (largest_packet_index==id)
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while ((--largest_packet_index>0) && (packet_buffers[largest_packet_index].packetnum == -1 ));
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}
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static int ipx_dos_get_packet_data( ubyte * data )
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{
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int i, n, best, best_id, size;
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for (i=1; i<ipx_num_packets; i++ ) {
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if ( !packets[i].ecb.in_use ) {
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got_new_packet( &packets[i].ecb );
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packets[i].ecb.in_use = 0;
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ipx_listen_for_packet(&packets[i].ecb);
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}
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}
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best = -1;
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n = 0;
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best_id = -1;
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for (i=0; i<=largest_packet_index; i++ ) {
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if ( packet_buffers[i].packetnum > -1 ) {
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n++;
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if ( best == -1 || (packet_buffers[i].packetnum<best) ) {
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best = packet_buffers[i].packetnum;
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best_id = i;
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}
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}
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}
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//mprintf( (0, "Best id = %d, pn = %d, last_ecb = %x, len=%x, ne = %d\n", best_id, best, last_ecb, lastlen, neterrors ));
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//mprintf( (1, "<%d> ", neterrors ));
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if ( best_id < 0 ) return 0;
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size = packet_size[best_id];
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memcpy( data, packet_buffers[best_id].data, size );
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free_packet(best_id);
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return size;
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}
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#ifndef __GNUC__
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unsigned int swap_short( unsigned int short )
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#pragma aux swap_short parm [eax] = "xchg al,ah";
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#else
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static inline unsigned int swap_short( unsigned int sshort ) {
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int __retval;
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asm("xchg %%ah,%%al" : "=a" (__retval) : "a" (sshort));
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return __retval;
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}
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#endif
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static void got_new_packet( ecb_header * ecb )
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{
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ipx_packet * p;
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int id;
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unsigned short datasize;
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datasize = 0;
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last_ecb = ecb;
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p = (ipx_packet *)ecb;
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if ( p->ecb.in_use ) { neterrors++; return; }
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if ( p->ecb.completion_code ) { neterrors++; return; }
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// Error( "Recieve error %d for completion code", p->ecb.completion_code );
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if ( memcmp( &p->ipx.source.node_id, ipx_my_node, 6 ) ) {
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datasize=swap_short(p->ipx.length);
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lastlen=datasize;
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datasize -= sizeof(ipx_header);
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// Find slot to put packet in...
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if ( datasize > 0 && datasize <= sizeof(packet_data) ) {
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if ( num_packets >= MAX_PACKETS ) {
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//printf( 1, "IPX: Packet buffer overrun!!!\n" );
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neterrors++;
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return;
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}
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id = packet_free_list[ num_packets++ ];
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if (id > largest_packet_index ) largest_packet_index = id;
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packet_size[id] = datasize-sizeof(int);
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packet_buffers[id].packetnum = p->pd.packetnum;
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if ( packet_buffers[id].packetnum < 0 ) { neterrors++; return; }
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memcpy( packet_buffers[id].data, p->pd.data, packet_size[id] );
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} else {
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neterrors++; return;
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}
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}
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// Repost the ecb
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p->ecb.in_use = 0;
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//ipx_listen_for_packet(&p->ecb);
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}
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/*ubyte * ipx_get_my_local_address()
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{
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return ipx_my_node.address;
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}
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ubyte * ipx_get_my_server_address()
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{
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return (ubyte *)&ipx_network;
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}*/
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static void ipx_listen_for_packet(ecb_header * ecb )
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{
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dpmi_real_regs rregs;
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ecb->in_use = 0x1d;
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memset(&rregs,0,sizeof(dpmi_real_regs));
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rregs.ebx = 4; // Listen For Packet function
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rregs.esi = DPMI_real_offset(ecb);
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rregs.es = DPMI_real_segment(ecb);
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dpmi_real_int386x( 0x7A, &rregs );
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}
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/*static void ipx_cancel_listen_for_packet(ecb_header * ecb )
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{
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dpmi_real_regs rregs;
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memset(&rregs,0,sizeof(dpmi_real_regs));
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rregs.ebx = 6; // IPX Cancel event
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rregs.esi = DPMI_real_offset(ecb);
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rregs.es = DPMI_real_segment(ecb);
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dpmi_real_int386x( 0x7A, &rregs );
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}
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*/
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static void ipx_send_packet(ecb_header * ecb )
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{
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dpmi_real_regs rregs;
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memset(&rregs,0,sizeof(dpmi_real_regs));
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rregs.ebx = 3; // Send Packet function
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rregs.esi = DPMI_real_offset(ecb);
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rregs.es = DPMI_real_segment(ecb);
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dpmi_real_int386x( 0x7A, &rregs );
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}
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typedef struct {
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ubyte network[4];
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ubyte node[6];
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ubyte local_target[6];
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} __pack__ net_xlat_info;
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static void ipx_dos_get_local_target( ubyte * server, ubyte * node, ubyte * local_target )
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{
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net_xlat_info * info;
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dpmi_real_regs rregs;
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// Get dos memory for call...
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info = (net_xlat_info *)dpmi_get_temp_low_buffer( sizeof(net_xlat_info) );
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assert( info != NULL );
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memcpy( info->network, server, 4 );
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memcpy( info->node, node, 6 );
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memset(&rregs,0,sizeof(dpmi_real_regs));
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rregs.ebx = 2; // Get Local Target
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rregs.es = DPMI_real_segment(info);
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rregs.esi = DPMI_real_offset(info->network);
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rregs.edi = DPMI_real_offset(info->local_target);
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dpmi_real_int386x( 0x7A, &rregs );
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// Save the local target...
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memcpy( local_target, info->local_target, 6 );
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}
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static void ipx_close()
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{
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dpmi_real_regs rregs;
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if ( ipx_installed ) {
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// When using VLM's instead of NETX, the sockets don't
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// seem to automatically get closed, so we must explicitly
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// close them at program termination.
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ipx_installed = 0;
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memset(&rregs,0,sizeof(dpmi_real_regs));
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rregs.edx = ipx_socket;
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rregs.ebx = 1; // Close socket
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dpmi_real_int386x( 0x7A, &rregs );
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}
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}
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static int ipx_init(int socket_number)
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{
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int show_address=0;
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dpmi_real_regs rregs;
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ubyte *ipx_real_buffer;
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int i;
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// atexit(ipx_close);
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ipx_packetnum = 0;
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// init packet buffers.
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for (i=0; i<MAX_PACKETS; i++ ) {
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packet_buffers[i].packetnum = -1;
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packet_free_list[i] = i;
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}
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num_packets = 0;
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largest_packet_index = 0;
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// Get the IPX vector
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memset(&rregs,0,sizeof(dpmi_real_regs));
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rregs.eax=0x00007a00;
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dpmi_real_int386x( 0x2f, &rregs );
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if ( (rregs.eax & 0xFF) != 0xFF ) {
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return IPX_NOT_INSTALLED;
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}
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ipx_vector_offset = rregs.edi & 0xFFFF;
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ipx_vector_segment = rregs.es;
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//printf( "IPX entry point at %.4x:%.4x\n", ipx_vector_segment, ipx_vector_offset );
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// Open a socket for IPX
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memset(&rregs,0,sizeof(dpmi_real_regs));
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swab( (char *)&socket_number,(char *)&ipx_socket, 2 );
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rregs.edx = ipx_socket;
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rregs.eax = ipx_socket_life;
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rregs.ebx = 0; // Open socket
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dpmi_real_int386x( 0x7A, &rregs );
|
|
|
|
ipx_socket = rregs.edx & 0xFFFF;
|
|
|
|
if ( rregs.eax & 0xFF ) {
|
|
//mprintf( (1, "IPX error opening channel %d\n", socket_number-IPX_DEFAULT_SOCKET ));
|
|
return IPX_SOCKET_TABLE_FULL;
|
|
}
|
|
|
|
ipx_installed = 1;
|
|
|
|
// Find our internetwork address
|
|
ipx_real_buffer = dpmi_get_temp_low_buffer( 1024 ); // 1k block
|
|
if ( ipx_real_buffer == NULL ) {
|
|
//printf( "Error allocation realmode memory\n" );
|
|
return IPX_NO_LOW_DOS_MEM;
|
|
}
|
|
|
|
memset(&rregs,0,sizeof(dpmi_real_regs));
|
|
rregs.ebx = 9; // Get internetwork address
|
|
rregs.esi = DPMI_real_offset(ipx_real_buffer);
|
|
rregs.es = DPMI_real_segment(ipx_real_buffer);
|
|
dpmi_real_int386x( 0x7A, &rregs );
|
|
|
|
if ( rregs.eax & 0xFF ) {
|
|
//printf( "Error getting internetwork address!\n" );
|
|
return IPX_SOCKET_TABLE_FULL;
|
|
}
|
|
|
|
/* memcpy( &ipx_network, ipx_real_buffer, 4 );
|
|
memcpy( ipx_my_node, &ipx_real_buffer[4], 6 );*/
|
|
memcpy(ipx_MyAddress,ipx_real_buffer,10);
|
|
|
|
if ( show_address ) {
|
|
printf( "My IPX addresss is " );
|
|
printf( "%02X%02X%02X%02X/", ipx_real_buffer[0],ipx_real_buffer[1],ipx_real_buffer[2],ipx_real_buffer[3] );
|
|
printf( "%02X%02X%02X%02X%02X%02X\n", ipx_real_buffer[4],ipx_real_buffer[5],ipx_real_buffer[6],ipx_real_buffer[7],ipx_real_buffer[8],ipx_real_buffer[9] );
|
|
printf( "\n" );
|
|
}
|
|
|
|
packets = dpmi_real_malloc( sizeof(ipx_packet)*ipx_num_packets, &ipx_packets_selector );
|
|
if ( packets == NULL ) {
|
|
//printf( "Couldn't allocate real memory for %d packets\n", ipx_num_packets );
|
|
return IPX_NO_LOW_DOS_MEM;
|
|
}
|
|
#if 0 /* adb: not needed, fails with cwsdpmi */
|
|
if (!dpmi_lock_region( packets, sizeof(ipx_packet)*ipx_num_packets )) {
|
|
//printf( "Couldn't lock real memory for %d packets\n", ipx_num_packets );
|
|
return IPX_NO_LOW_DOS_MEM;
|
|
}
|
|
#endif
|
|
memset( packets, 0, sizeof(ipx_packet)*ipx_num_packets );
|
|
|
|
for (i=1; i<ipx_num_packets; i++ ) {
|
|
packets[i].ecb.in_use = 0x1d;
|
|
//packets[i].ecb.in_use = 0;
|
|
packets[i].ecb.socket_id = ipx_socket;
|
|
packets[i].ecb.fragment_count = 1;
|
|
packets[i].ecb.fragment_pointer[0] = DPMI_real_offset(&packets[i].ipx);
|
|
packets[i].ecb.fragment_pointer[1] = DPMI_real_segment(&packets[i].ipx);
|
|
packets[i].ecb.fragment_size = sizeof(ipx_packet)-sizeof(ecb_header); //-sizeof(ecb_header);
|
|
|
|
ipx_listen_for_packet(&packets[i].ecb);
|
|
}
|
|
|
|
packets[0].ecb.socket_id = ipx_socket;
|
|
packets[0].ecb.fragment_count = 1;
|
|
packets[0].ecb.fragment_pointer[0] = DPMI_real_offset(&packets[0].ipx);
|
|
packets[0].ecb.fragment_pointer[1] = DPMI_real_segment(&packets[0].ipx);
|
|
packets[0].ipx.packet_type = 4; // IPX packet
|
|
packets[0].ipx.destination.socket_id = ipx_socket;
|
|
// memcpy( packets[0].ipx.destination.network_id, &ipx_network, 4 );
|
|
memset( packets[0].ipx.destination.network_id, 0, 4 );
|
|
|
|
return IPX_INIT_OK;
|
|
}
|
|
|
|
static void ipx_dos_send_packet_data( ubyte * data, int datasize, ubyte *network, ubyte *address, ubyte *immediate_address )
|
|
{
|
|
assert(ipx_installed);
|
|
|
|
if ( datasize >= IPX_MAX_DATA_SIZE ) {
|
|
printf( "Data too big\n" );
|
|
//added/replaced on 11/8/98 by Victor Rachels to stop crappage
|
|
return;
|
|
// exit(1);
|
|
//end this section replacement - VR
|
|
}
|
|
|
|
// Make sure no one is already sending something
|
|
while( packets[0].ecb.in_use )
|
|
{
|
|
}
|
|
|
|
if (packets[0].ecb.completion_code) {
|
|
// printf( "Send error %d for completion code\n", packets[0].ecb.completion_code );
|
|
//added/replaced on 11/8/98 by Victor Rachels to stop crappage
|
|
return;
|
|
// exit(1);
|
|
//end this section replacement - VR
|
|
|
|
}
|
|
|
|
// Fill in destination address
|
|
if ( memcmp( network, &ipx_network, 4 ) )
|
|
memcpy( packets[0].ipx.destination.network_id, network, 4 );
|
|
else
|
|
memset( packets[0].ipx.destination.network_id, 0, 4 );
|
|
memcpy( packets[0].ipx.destination.node_id.address, address, 6 );
|
|
memcpy( packets[0].ecb.immediate_address.address, immediate_address, 6 );
|
|
packets[0].pd.packetnum = ipx_packetnum++;
|
|
|
|
// Fill in data to send
|
|
packets[0].ecb.fragment_size = sizeof(ipx_header) + sizeof(int) + datasize;
|
|
|
|
assert( datasize > 1 );
|
|
assert( packets[0].ecb.fragment_size <= 576 );
|
|
|
|
memcpy( packets[0].pd.data, data, datasize );
|
|
|
|
// Send it
|
|
ipx_send_packet( &packets[0].ecb );
|
|
|
|
}
|
|
|
|
/*static int ipx_change_default_socket( ushort socket_number )
|
|
{
|
|
int i;
|
|
WORD new_ipx_socket;
|
|
dpmi_real_regs rregs;
|
|
|
|
if ( !ipx_installed ) return -3;
|
|
|
|
// Open a new socket
|
|
memset(&rregs,0,sizeof(dpmi_real_regs));
|
|
swab( (char *)&socket_number,(char *)&new_ipx_socket, 2 );
|
|
rregs.edx = new_ipx_socket;
|
|
rregs.eax = ipx_socket_life;
|
|
rregs.ebx = 0; // Open socket
|
|
dpmi_real_int386x( 0x7A, &rregs );
|
|
|
|
new_ipx_socket = rregs.edx & 0xFFFF;
|
|
|
|
if ( rregs.eax & 0xFF ) {
|
|
//printf( (1, "IPX error opening channel %d\n", socket_number-IPX_DEFAULT_SOCKET ));
|
|
return -2;
|
|
}
|
|
|
|
for (i=1; i<ipx_num_packets; i++ ) {
|
|
ipx_cancel_listen_for_packet(&packets[i].ecb);
|
|
}
|
|
|
|
// Close existing socket...
|
|
memset(&rregs,0,sizeof(dpmi_real_regs));
|
|
rregs.edx = ipx_socket;
|
|
rregs.ebx = 1; // Close socket
|
|
dpmi_real_int386x( 0x7A, &rregs );
|
|
|
|
ipx_socket = new_ipx_socket;
|
|
|
|
// Repost all listen requests on the new socket...
|
|
for (i=1; i<ipx_num_packets; i++ ) {
|
|
packets[i].ecb.in_use = 0;
|
|
packets[i].ecb.socket_id = ipx_socket;
|
|
ipx_listen_for_packet(&packets[i].ecb);
|
|
}
|
|
|
|
packets[0].ecb.socket_id = ipx_socket;
|
|
packets[0].ipx.destination.socket_id = ipx_socket;
|
|
|
|
ipx_packetnum = 0;
|
|
// init packet buffers.
|
|
for (i=0; i<MAX_PACKETS; i++ ) {
|
|
packet_buffers[i].packetnum = -1;
|
|
packet_free_list[i] = i;
|
|
}
|
|
num_packets = 0;
|
|
largest_packet_index = 0;
|
|
|
|
return 0;
|
|
}
|
|
*/
|
|
|
|
struct ipx_driver ipx_dos = {
|
|
// NULL,
|
|
ipx_init,
|
|
ipx_close,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
1,
|
|
ipx_dos_get_local_target,
|
|
ipx_dos_get_packet_data,
|
|
ipx_dos_send_packet_data
|
|
};
|
|
|
|
void arch_ipx_set_driver(int ipx_driver)
|
|
{
|
|
driver = &ipx_dos;
|
|
if (ipx_driver != IPX_DRIVER_IPX)
|
|
Warning("Unknown network driver! Defaulting to real IPX");
|
|
}
|
|
|
|
|
|
//---typedef struct rip_entry {
|
|
//--- uint network;
|
|
//--- ushort nhops;
|
|
//--- ushort nticks;
|
|
//---} rip_entry;
|
|
//---
|
|
//---typedef struct rip_packet {
|
|
//--- ushort operation; //1=request, 2=response
|
|
//--- rip_entry rip[50];
|
|
//---} rip_packet;
|
|
//---
|
|
//---
|
|
//---void ipx_find_all_servers()
|
|
//---{
|
|
//--- int i;
|
|
//--- rip_packet * rp;
|
|
//--- assert(ipx_installed);
|
|
//---
|
|
//--- ipx_change_default_socket( 0x0453 );
|
|
//--- // ipx_change_default_socket( 0x5304 );
|
|
//---
|
|
//--- // Make sure no one is already sending something
|
|
//--- while( packets[0].ecb.in_use )
|
|
//--- {
|
|
//--- }
|
|
//---
|
|
//--- if (packets[0].ecb.completion_code) {
|
|
//--- printf( "AAAA:Send error %d for completion code\n", packets[0].ecb.completion_code );
|
|
//--- //exit(1);
|
|
//--- }
|
|
//---
|
|
//--- rp = (rip_packet *)&packets[0].pd;
|
|
//---
|
|
//--- // Fill in destination address
|
|
//--- {
|
|
//--- char mzero1[] = {0,0,0,1};
|
|
//--- char mzero[] = {0,0,0,0,0,1};
|
|
//--- char immediate[6];
|
|
//--- //memcpy( packets[0].ipx.destination.network_id, &ipx_network, 4 );
|
|
//--- //memcpy( packets[0].ipx.destination.node_id.address, ipx_my_node.address, 6 );
|
|
//---
|
|
//--- memcpy( packets[0].ipx.destination.network_id, mzero1, 4 );
|
|
//--- memcpy( packets[0].ipx.destination.node_id.address, mzero, 6 );
|
|
//---
|
|
//--- memcpy( packets[0].ipx.destination.socket_id, &ipx_socket, 2 );
|
|
//--- memcpy( packets[0].ipx.source.network_id, &ipx_network, 4 );
|
|
//--- memcpy( packets[0].ipx.source.node_id.address, ipx_my_node.address, 6 );
|
|
//--- memcpy( packets[0].ipx.source.socket_id, &ipx_socket, 2 );
|
|
//--- //memcpy( packets[0].ecb.immediate_address.address, ipx_my_node.address, 6 );
|
|
//--- //mzero1[3] = 1;
|
|
//--- //memcpy( packets[0].ipx.destination.network_id, mzero1, 4 );
|
|
//--- //mzero[5] = 1;
|
|
//--- //memcpy( packets[0].ipx.destination.node_id.address, mzero, 6 );
|
|
//--- //ipx_get_local_target( mzero1, mzero, immediate );
|
|
//--- //memcpy( packets[0].ecb.immediate_address.address, mzero, 6 );
|
|
//--- //memcpy( packets[0].ecb.immediate_address.address, immediate, 6 );
|
|
//--- //mzero[5] = 0;
|
|
//--- }
|
|
//---
|
|
//--- packets[0].ipx.packet_type = 1; // RIP packet
|
|
//---
|
|
//--- // Fill in data to send
|
|
//--- packets[0].ecb.fragment_size = sizeof(ipx_header) + sizeof(rip_packet);
|
|
//--- assert( packets[0].ecb.fragment_size <= 576 );
|
|
//---
|
|
//--- rp->operation = 0; // Request
|
|
//--- for (i=0;i<50; i++) {
|
|
//--- rp->rip[i].network = 0xFFFFFFFF;
|
|
//--- rp->rip[i].nhops = 0;
|
|
//--- rp->rip[i].nticks = 0;
|
|
//--- }
|
|
//---
|
|
//--- // Send it
|
|
//--- ipx_send_packet( &packets[0].ecb );
|
|
//---
|
|
//--- for (i=0;i<50; i++) {
|
|
//--- if ( rp->rip[i].network != 0xFFFFFFFF )
|
|
//--- printf( "Network = %8x, Hops=%d, Ticks=%d\n", rp->rip[i].network, rp->rip[i].nhops, rp->rip[i].nticks );
|
|
//--- }
|
|
//---}
|
|
//---
|
|
//---
|