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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5131 | clevermous | 1 | /* |
| 2 | Copyright (C) 1996-1997 Id Software, Inc. |
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| 3 | |||
| 4 | This program is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU General Public License |
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| 6 | as published by the Free Software Foundation; either version 2 |
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| 7 | of the License, or (at your option) any later version. |
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| 8 | |||
| 9 | This program is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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| 12 | |||
| 13 | See the GNU General Public License for more details. |
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| 14 | |||
| 15 | You should have received a copy of the GNU General Public License |
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| 16 | along with this program; if not, write to the Free Software |
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| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 18 | |||
| 19 | */ |
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| 20 | // net_ipx.c |
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| 21 | |||
| 22 | #include |
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| 23 | #include |
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| 24 | #include |
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| 25 | |||
| 26 | #include "quakedef.h" |
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| 27 | #include "dosisms.h" |
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| 28 | #include "net_ipx.h" |
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| 29 | |||
| 30 | #define EIO 5 /* I/O error */ |
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| 31 | |||
| 32 | #define AF_NETWARE 64 |
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| 33 | |||
| 34 | #define IPX_OPEN 0 |
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| 35 | #define IPX_CLOSE 1 |
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| 36 | #define IPX_GETROUTE 2 |
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| 37 | #define IPX_SEND 3 |
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| 38 | #define IPX_LISTEN 4 |
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| 39 | #define IPX_SCHEDULEEVENT 5 |
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| 40 | #define IPX_CANCEL 6 |
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| 41 | #define IPX_SCHEDULESPECIALEVENT 7 |
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| 42 | #define IPX_GETINTERVALMARKER 8 |
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| 43 | #define IPX_GETADDRESS 9 |
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| 44 | #define IPX_RELINQUISH 10 |
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| 45 | |||
| 46 | #define PTYPE_UNKNOWN 0 |
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| 47 | #define PTYPE_RIP 1 |
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| 48 | #define PTYPE_ECHO 2 |
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| 49 | #define PTYPE_ERROR 3 |
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| 50 | #define PTYPE_IPX 4 |
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| 51 | #define PTYPE_SPX 5 |
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| 52 | |||
| 53 | #pragma pack(1) |
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| 54 | |||
| 55 | typedef struct |
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| 56 | { |
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| 57 | byte network[4]; |
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| 58 | byte node[6]; |
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| 59 | short socket; |
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| 60 | } IPXaddr; |
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| 61 | |||
| 62 | struct sockaddr_ipx |
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| 63 | { |
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| 64 | short sipx_family; |
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| 65 | IPXaddr sipx_addr; |
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| 66 | char sipx_zero[2]; |
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| 67 | }; |
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| 68 | #define sipx_port sipx_addr.socket |
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| 69 | |||
| 70 | typedef struct |
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| 71 | { |
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| 72 | short checkSum; |
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| 73 | short length; |
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| 74 | byte transportControl; |
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| 75 | byte type; |
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| 76 | IPXaddr destination; |
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| 77 | IPXaddr source; |
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| 78 | } IPXheader; |
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| 79 | |||
| 80 | typedef struct ECBStructure |
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| 81 | { |
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| 82 | struct ECBStructure *link; |
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| 83 | unsigned short ESR_off; |
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| 84 | unsigned short ESR_seg; |
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| 85 | byte inUse; |
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| 86 | byte completionCode; |
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| 87 | short socket; |
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| 88 | byte IPXWorkspace[4]; |
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| 89 | byte driverWorkspace[12]; |
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| 90 | byte immediateAddress[6]; |
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| 91 | short fragCount; |
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| 92 | short fragOff; |
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| 93 | short fragSeg; |
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| 94 | short fragSize; |
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| 95 | } ECB; |
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| 96 | |||
| 97 | #pragma pack() |
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| 98 | |||
| 99 | typedef struct |
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| 100 | { |
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| 101 | ECB ecb; |
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| 102 | IPXheader header; |
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| 103 | int sequence; |
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| 104 | char data[NET_DATAGRAMSIZE]; |
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| 105 | } ipx_lowmem_buffer_t; |
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| 106 | |||
| 107 | #define LOWMEMSIZE (100 * 1024) |
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| 108 | #define LOWMEMSAVE 256 |
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| 109 | #define IPXBUFFERS ((LOWMEMSIZE - LOWMEMSAVE)/ sizeof(ipx_lowmem_buffer_t)) |
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| 110 | #define IPXSOCKBUFFERS 5 |
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| 111 | #define IPXSOCKETS (IPXBUFFERS / IPXSOCKBUFFERS) |
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| 112 | |||
| 113 | // each socket's socketbuffer 0 is used for sending, the others for listening |
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| 114 | |||
| 115 | typedef struct |
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| 116 | { |
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| 117 | char reserved[LOWMEMSAVE]; |
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| 118 | ipx_lowmem_buffer_t socketbuffer[IPXSOCKETS][IPXSOCKBUFFERS]; |
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| 119 | } ipx_lowmem_area_t; |
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| 120 | |||
| 121 | |||
| 122 | static int ipxsocket[IPXSOCKETS]; |
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| 123 | static ECB *readlist[IPXSOCKETS]; |
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| 124 | static int sequence[IPXSOCKETS]; |
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| 125 | static int handlesInUse; |
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| 126 | static ipx_lowmem_area_t *lma; |
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| 127 | static char *lowmem_buffer; |
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| 128 | static int lowmem_bufseg; |
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| 129 | static int lowmem_bufoff; |
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| 130 | static unsigned short ipx_cs; |
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| 131 | static unsigned short ipx_ip; |
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| 132 | static int net_acceptsocket = -1; |
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| 133 | static int net_controlsocket; |
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| 134 | |||
| 135 | static void IPX_PollProcedure(void); |
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| 136 | static PollProcedure pollProcedure = {NULL, 0.0, IPX_PollProcedure}; |
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| 137 | |||
| 138 | //============================================================================= |
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| 139 | |||
| 140 | static void IPX_GetLocalAddress(IPXaddr *addr) |
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| 141 | { |
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| 142 | regs.x.cs = ipx_cs; |
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| 143 | regs.x.ip = ipx_ip; |
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| 144 | regs.x.bx = IPX_GETADDRESS; |
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| 145 | regs.x.es = lowmem_bufseg; |
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| 146 | regs.x.si = lowmem_bufoff; |
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| 147 | __dpmi_simulate_real_mode_procedure_retf((__dpmi_regs *)®s); |
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| 148 | Q_memcpy(addr, lowmem_buffer, 10); |
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| 149 | } |
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| 150 | |||
| 151 | //============================================================================= |
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| 152 | |||
| 153 | static int IPX_GetLocalTarget(IPXaddr *addr, byte *localTarget) |
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| 154 | { |
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| 155 | regs.x.cs = ipx_cs; |
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| 156 | regs.x.ip = ipx_ip; |
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| 157 | regs.x.bx = IPX_GETROUTE; |
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| 158 | regs.x.es = lowmem_bufseg; |
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| 159 | regs.x.si = lowmem_bufoff; |
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| 160 | regs.x.di = lowmem_bufoff + sizeof(IPXaddr); |
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| 161 | Q_memcpy(lowmem_buffer, addr, sizeof(IPXaddr)); |
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| 162 | __dpmi_simulate_real_mode_procedure_retf((__dpmi_regs *)®s); |
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| 163 | if (regs.h.al) |
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| 164 | return -1; |
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| 165 | Q_memcpy(localTarget, lowmem_buffer + sizeof(IPXaddr), 6); |
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| 166 | return 0; |
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| 167 | } |
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| 168 | |||
| 169 | //============================================================================= |
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| 170 | |||
| 171 | static void IPX_ListenForPacket(ECB *ecb) |
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| 172 | { |
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| 173 | regs.x.cs = ipx_cs; |
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| 174 | regs.x.ip = ipx_ip; |
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| 175 | regs.x.bx = IPX_LISTEN; |
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| 176 | regs.x.es = ptr2real(ecb) >> 4; |
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| 177 | regs.x.si = ptr2real(ecb) & 0xf; |
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| 178 | __dpmi_simulate_real_mode_procedure_retf((__dpmi_regs *)®s); |
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| 179 | } |
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| 180 | |||
| 181 | //============================================================================= |
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| 182 | |||
| 183 | static void IPX_RelinquishControl(void) |
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| 184 | { |
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| 185 | regs.x.cs = ipx_cs; |
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| 186 | regs.x.ip = ipx_ip; |
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| 187 | regs.x.bx = IPX_RELINQUISH; |
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| 188 | __dpmi_simulate_real_mode_procedure_retf((__dpmi_regs *)®s); |
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| 189 | } |
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| 190 | |||
| 191 | |||
| 192 | void IPX_PollProcedure(void) |
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| 193 | { |
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| 194 | IPX_RelinquishControl(); |
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| 195 | SchedulePollProcedure(&pollProcedure, 0.01); |
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| 196 | } |
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| 197 | |||
| 198 | //============================================================================= |
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| 199 | |||
| 200 | static void ProcessReadyList(int s) |
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| 201 | { |
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| 202 | int n; |
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| 203 | ECB *ecb; |
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| 204 | ECB *prev; |
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| 205 | |||
| 206 | for (n = 1; n < IPXSOCKBUFFERS; n++) |
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| 207 | { |
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| 208 | if (lma->socketbuffer[s][n].ecb.inUse == 0) |
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| 209 | { |
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| 210 | for (ecb = readlist[s], prev = NULL; ecb; ecb = ecb->link) |
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| 211 | { |
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| 212 | if (lma->socketbuffer[s][n].sequence < ((ipx_lowmem_buffer_t *) ecb)->sequence) |
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| 213 | break; |
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| 214 | prev = ecb; |
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| 215 | } |
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| 216 | if (ecb) |
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| 217 | lma->socketbuffer[s][n].ecb.link = ecb; |
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| 218 | else |
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| 219 | lma->socketbuffer[s][n].ecb.link = NULL; |
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| 220 | if (prev) |
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| 221 | prev->link = &lma->socketbuffer[s][n].ecb; |
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| 222 | else |
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| 223 | readlist[s] = &lma->socketbuffer[s][n].ecb; |
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| 224 | lma->socketbuffer[s][n].ecb.inUse = 0xff; |
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| 225 | } |
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| 226 | } |
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| 227 | } |
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| 228 | |||
| 229 | //============================================================================= |
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| 230 | |||
| 231 | int IPX_Init(void) |
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| 232 | { |
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| 233 | int s; |
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| 234 | int n; |
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| 235 | struct qsockaddr addr; |
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| 236 | char *colon; |
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| 237 | |||
| 238 | if (COM_CheckParm ("-noipx")) |
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| 239 | return -1; |
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| 240 | |||
| 241 | // find the IPX far call entry point |
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| 242 | regs.x.ax = 0x7a00; |
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| 243 | __dpmi_simulate_real_mode_interrupt (0x2f, (__dpmi_regs *)®s); |
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| 244 | if (regs.h.al != 0xff) |
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| 245 | { |
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| 246 | Con_Printf("IPX not detected\n"); |
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| 247 | return -1; |
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| 248 | } |
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| 249 | ipx_cs = regs.x.es; |
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| 250 | ipx_ip = regs.x.di; |
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| 251 | |||
| 252 | // grab a chunk of memory down in DOS land |
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| 253 | lowmem_buffer = dos_getmemory(LOWMEMSIZE); |
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| 254 | if (!lowmem_buffer) |
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| 255 | { |
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| 256 | Con_Printf("IPX_Init: Not enough low memory\n"); |
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| 257 | return -1; |
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| 258 | } |
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| 259 | lowmem_bufoff = ptr2real(lowmem_buffer) & 0xf; |
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| 260 | lowmem_bufseg = ptr2real(lowmem_buffer) >> 4; |
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| 261 | |||
| 262 | // init socket handles & buffers |
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| 263 | handlesInUse = 0; |
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| 264 | lma = (ipx_lowmem_area_t *)lowmem_buffer; |
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| 265 | for (s = 0; s < IPXSOCKETS; s++) |
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| 266 | { |
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| 267 | ipxsocket[s] = 0; |
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| 268 | for (n = 0; n < IPXSOCKBUFFERS; n++) |
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| 269 | { |
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| 270 | lma->socketbuffer[s][n].ecb.link = NULL; |
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| 271 | lma->socketbuffer[s][n].ecb.ESR_off = 0; |
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| 272 | lma->socketbuffer[s][n].ecb.ESR_seg = 0; |
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| 273 | lma->socketbuffer[s][n].ecb.socket = 0; |
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| 274 | lma->socketbuffer[s][n].ecb.inUse = 0xff; |
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| 275 | lma->socketbuffer[s][n].ecb.completionCode = 0; |
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| 276 | lma->socketbuffer[s][n].ecb.fragCount = 1; |
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| 277 | lma->socketbuffer[s][n].ecb.fragOff = ptr2real(&lma->socketbuffer[s][n].header) & 0xf; |
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| 278 | lma->socketbuffer[s][n].ecb.fragSeg = ptr2real(&lma->socketbuffer[s][n].header) >> 4; |
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| 279 | lma->socketbuffer[s][n].ecb.fragSize = sizeof(IPXheader) + sizeof(int) + NET_DATAGRAMSIZE; |
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| 280 | } |
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| 281 | } |
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| 282 | |||
| 283 | if ((net_controlsocket = IPX_OpenSocket (0)) == -1) |
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| 284 | { |
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| 285 | dos_freememory(lowmem_buffer); |
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| 286 | Con_DPrintf ("IPX_Init: Unable to open control socket\n"); |
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| 287 | return -1; |
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| 288 | } |
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| 289 | |||
| 290 | SchedulePollProcedure(&pollProcedure, 0.01); |
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| 291 | |||
| 292 | IPX_GetSocketAddr (net_controlsocket, &addr); |
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| 293 | Q_strcpy(my_ipx_address, IPX_AddrToString (&addr)); |
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| 294 | colon = Q_strrchr (my_ipx_address, ':'); |
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| 295 | if (colon) |
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| 296 | *colon = 0; |
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| 297 | |||
| 298 | Con_Printf("IPX initialized\n"); |
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| 299 | ipxAvailable = true; |
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| 300 | return net_controlsocket; |
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| 301 | } |
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| 302 | |||
| 303 | //============================================================================= |
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| 304 | |||
| 305 | void IPX_Shutdown(void) |
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| 306 | { |
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| 307 | IPX_Listen (false); |
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| 308 | IPX_CloseSocket (net_controlsocket); |
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| 309 | dos_freememory(lowmem_buffer); |
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| 310 | } |
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| 311 | |||
| 312 | //============================================================================= |
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| 313 | |||
| 314 | void IPX_Listen (qboolean state) |
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| 315 | { |
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| 316 | // enable listening |
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| 317 | if (state) |
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| 318 | { |
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| 319 | if (net_acceptsocket != -1) |
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| 320 | return; |
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| 321 | if ((net_acceptsocket = IPX_OpenSocket (net_hostport)) == -1) |
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| 322 | Sys_Error ("IPX_Listen: Unable to open accept socket\n"); |
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| 323 | return; |
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| 324 | } |
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| 325 | |||
| 326 | // disable listening |
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| 327 | if (net_acceptsocket == -1) |
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| 328 | return; |
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| 329 | IPX_CloseSocket (net_acceptsocket); |
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| 330 | net_acceptsocket = -1; |
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| 331 | } |
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| 332 | |||
| 333 | //============================================================================= |
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| 334 | |||
| 335 | int IPX_OpenSocket(int port) |
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| 336 | { |
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| 337 | int handle; |
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| 338 | int n; |
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| 339 | unsigned short socket; |
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| 340 | |||
| 341 | if (handlesInUse == IPXSOCKETS) |
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| 342 | return -1; |
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| 343 | |||
| 344 | // open the IPX socket |
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| 345 | regs.x.cs = ipx_cs; |
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| 346 | regs.x.ip = ipx_ip; |
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| 347 | regs.x.bx = IPX_OPEN; |
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| 348 | regs.h.al = 0; |
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| 349 | regs.x.dx = htons(port); |
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| 350 | __dpmi_simulate_real_mode_procedure_retf((__dpmi_regs *)®s); |
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| 351 | if (regs.h.al == 0xfe) |
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| 352 | { |
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| 353 | Con_DPrintf("IPX_OpenSocket: all sockets in use\n"); |
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| 354 | return -1; |
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| 355 | } |
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| 356 | if (regs.h.al == 0xff) |
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| 357 | { |
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| 358 | Con_DPrintf("IPX_OpenSocket: socket already open\n"); |
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| 359 | return -1; |
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| 360 | } |
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| 361 | if (regs.h.al != 0) |
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| 362 | { |
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| 363 | Con_DPrintf("IPX_OpenSocket: error %02x\n", regs.h.al); |
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| 364 | return -1; |
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| 365 | } |
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| 366 | socket = regs.x.dx; |
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| 367 | |||
| 368 | // grab a handle; fill in the ECBs, and get them listening |
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| 369 | for (handle = 0; handle < IPXSOCKETS; handle++) |
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| 370 | { |
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| 371 | if (ipxsocket[handle] == 0) |
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| 372 | { |
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| 373 | ipxsocket[handle] = socket; |
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| 374 | readlist[handle] = NULL; |
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| 375 | sequence[handle] = 0; |
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| 376 | for (n = 0; n < IPXSOCKBUFFERS; n ++) |
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| 377 | { |
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| 378 | lma->socketbuffer[handle][n].ecb.socket = socket; |
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| 379 | lma->socketbuffer[handle][n].ecb.inUse = 0; |
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| 380 | if (n) |
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| 381 | IPX_ListenForPacket(&lma->socketbuffer[handle][n].ecb); |
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| 382 | } |
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| 383 | handlesInUse++; |
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| 384 | return handle; |
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| 385 | } |
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| 386 | } |
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| 387 | |||
| 388 | // "this will NEVER happen" |
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| 389 | Sys_Error("IPX_OpenSocket: handle allocation failed\n"); |
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| 390 | return -1; |
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| 391 | } |
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| 392 | |||
| 393 | //============================================================================= |
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| 394 | |||
| 395 | int IPX_CloseSocket(int handle) |
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| 396 | { |
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| 397 | // if there's a send in progress, give it one last chance |
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| 398 | if (lma->socketbuffer[handle][0].ecb.inUse != 0) |
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| 399 | IPX_RelinquishControl(); |
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| 400 | |||
| 401 | // close the socket (all pending sends/received are cancelled) |
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| 402 | regs.x.cs = ipx_cs; |
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| 403 | regs.x.ip = ipx_ip; |
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| 404 | regs.x.bx = IPX_CLOSE; |
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| 405 | regs.x.dx = ipxsocket[handle]; |
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| 406 | __dpmi_simulate_real_mode_procedure_retf((__dpmi_regs *)®s); |
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| 407 | |||
| 408 | ipxsocket[handle] = 0; |
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| 409 | handlesInUse--; |
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| 410 | |||
| 411 | return 0; |
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| 412 | } |
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| 413 | |||
| 414 | //============================================================================= |
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| 415 | |||
| 416 | int IPX_Connect (int handle, struct qsockaddr *addr) |
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| 417 | { |
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| 418 | IPXaddr ipxaddr; |
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| 419 | |||
| 420 | Q_memcpy(&ipxaddr, &((struct sockaddr_ipx *)addr)->sipx_addr, sizeof(IPXaddr)); |
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| 421 | if (IPX_GetLocalTarget(&ipxaddr, lma->socketbuffer[handle][0].ecb.immediateAddress) != 0) |
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| 422 | { |
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| 423 | Con_Printf("Get Local Target failed\n"); |
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| 424 | return -1; |
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| 425 | } |
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| 426 | |||
| 427 | return 0; |
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| 428 | } |
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| 429 | |||
| 430 | //============================================================================= |
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| 431 | |||
| 432 | int IPX_CheckNewConnections (void) |
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| 433 | { |
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| 434 | int n; |
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| 435 | |||
| 436 | if (net_acceptsocket == -1) |
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| 437 | return -1; |
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| 438 | |||
| 439 | for (n = 1; n < IPXSOCKBUFFERS; n ++) |
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| 440 | if (lma->socketbuffer[net_acceptsocket][n].ecb.inUse == 0) |
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| 441 | return net_acceptsocket; |
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| 442 | return -1; |
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| 443 | } |
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| 444 | |||
| 445 | //============================================================================= |
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| 446 | |||
| 447 | int IPX_Read (int handle, byte *buf, int len, struct qsockaddr *addr) |
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| 448 | { |
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| 449 | ECB *ecb; |
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| 450 | ipx_lowmem_buffer_t *rcvbuf; |
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| 451 | int copylen; |
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| 452 | |||
| 453 | ProcessReadyList(handle); |
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| 454 | tryagain: |
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| 455 | if (readlist[handle] == NULL) |
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| 456 | return 0; |
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| 457 | ecb = readlist[handle]; |
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| 458 | readlist[handle] = ecb->link; |
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| 459 | |||
| 460 | if (ecb->completionCode != 0) |
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| 461 | { |
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| 462 | Con_Printf("Warning: IPX_Read error %02x\n", ecb->completionCode); |
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| 463 | ecb->fragSize = sizeof(IPXheader) + sizeof(int) + NET_DATAGRAMSIZE; |
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| 464 | IPX_ListenForPacket(ecb); |
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| 465 | goto tryagain; |
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| 466 | } |
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| 467 | |||
| 468 | rcvbuf = (ipx_lowmem_buffer_t *)ecb; |
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| 469 | |||
| 470 | // copy the data up to the buffer |
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| 471 | copylen = ntohs(rcvbuf->header.length) - (sizeof(int) + sizeof(IPXheader)); |
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| 472 | if (len < copylen) |
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| 473 | Sys_Error("IPX_Read: buffer too small (%d vs %d)\n", len, copylen); |
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| 474 | Q_memcpy(buf, rcvbuf->data, copylen); |
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| 475 | |||
| 476 | // fill in the addr if they want it |
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| 477 | if (addr) |
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| 478 | { |
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| 479 | ((struct sockaddr_ipx *)addr)->sipx_family = AF_NETWARE; |
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| 480 | Q_memcpy(&((struct sockaddr_ipx *)addr)->sipx_addr, rcvbuf->header.source.network, sizeof(IPXaddr)); |
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| 481 | ((struct sockaddr_ipx *)addr)->sipx_zero[0] = 0; |
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| 482 | ((struct sockaddr_ipx *)addr)->sipx_zero[1] = 0; |
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| 483 | } |
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| 484 | |||
| 485 | // update the send ecb's immediate address |
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| 486 | Q_memcpy(lma->socketbuffer[handle][0].ecb.immediateAddress, rcvbuf->ecb.immediateAddress, 6); |
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| 487 | |||
| 488 | // get this ecb listening again |
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| 489 | rcvbuf->ecb.fragSize = sizeof(IPXheader) + sizeof(int) + NET_DATAGRAMSIZE; |
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| 490 | IPX_ListenForPacket(&rcvbuf->ecb); |
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| 491 | return copylen; |
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| 492 | } |
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| 493 | |||
| 494 | //============================================================================= |
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| 495 | |||
| 496 | int IPX_Broadcast (int handle, byte *buf, int len) |
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| 497 | { |
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| 498 | struct sockaddr_ipx addr; |
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| 499 | int ret; |
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| 500 | |||
| 501 | Q_memset(addr.sipx_addr.network, 0x00, 4); |
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| 502 | Q_memset(addr.sipx_addr.node, 0xff, 6); |
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| 503 | addr.sipx_port = htons(net_hostport); |
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| 504 | Q_memset(lma->socketbuffer[handle][0].ecb.immediateAddress, 0xff, 6); |
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| 505 | ret = IPX_Write (handle, buf, len, (struct qsockaddr *)&addr); |
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| 506 | return ret; |
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| 507 | } |
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| 508 | |||
| 509 | //============================================================================= |
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| 510 | |||
| 511 | int IPX_Write (int handle, byte *buf, int len, struct qsockaddr *addr) |
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| 512 | { |
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| 513 | // has the previous send completed? |
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| 514 | while (lma->socketbuffer[handle][0].ecb.inUse != 0) |
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| 515 | IPX_RelinquishControl(); |
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| 516 | |||
| 517 | switch (lma->socketbuffer[handle][0].ecb.completionCode) |
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| 518 | { |
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| 519 | case 0x00: // success |
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| 520 | case 0xfc: // request cancelled |
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| 521 | break; |
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| 522 | |||
| 523 | case 0xfd: // malformed packet |
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| 524 | default: |
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| 525 | Con_Printf("IPX driver send failure: %02x\n", lma->socketbuffer[handle][0].ecb.completionCode); |
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| 526 | break; |
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| 527 | |||
| 528 | case 0xfe: // packet undeliverable |
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| 529 | case 0xff: // unable to send packet |
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| 530 | Con_Printf("IPX lost route, trying to re-establish\n"); |
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| 531 | |||
| 532 | // look for a new route |
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| 533 | if (IPX_GetLocalTarget (&lma->socketbuffer[handle][0].header.destination, lma->socketbuffer[handle][0].ecb.immediateAddress) != 0) |
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| 534 | return -1; |
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| 535 | |||
| 536 | // re-send the one that failed |
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| 537 | regs.x.cs = ipx_cs; |
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| 538 | regs.x.ip = ipx_ip; |
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| 539 | regs.x.bx = IPX_SEND; |
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| 540 | regs.x.es = ptr2real(&lma->socketbuffer[handle][0].ecb) >> 4; |
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| 541 | regs.x.si = ptr2real(&lma->socketbuffer[handle][0].ecb) & 0xf; |
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| 542 | __dpmi_simulate_real_mode_procedure_retf((__dpmi_regs *)®s); |
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| 543 | |||
| 544 | // report that we did not send the current one |
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| 545 | return 0; |
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| 546 | } |
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| 547 | |||
| 548 | // ecb : length |
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| 549 | lma->socketbuffer[handle][0].ecb.fragSize = sizeof(IPXheader) + sizeof(int) + len; |
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| 550 | |||
| 551 | // ipx header : type |
||
| 552 | lma->socketbuffer[handle][0].header.type = PTYPE_IPX; |
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| 553 | |||
| 554 | // ipx header : destination |
||
| 555 | Q_memcpy(&lma->socketbuffer[handle][0].header.destination, &((struct sockaddr_ipx *)addr)->sipx_addr, sizeof(IPXaddr)); |
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| 556 | |||
| 557 | // sequence number |
||
| 558 | lma->socketbuffer[handle][0].sequence = sequence[handle]; |
||
| 559 | sequence[handle]++; |
||
| 560 | |||
| 561 | // copy down the data |
||
| 562 | Q_memcpy(lma->socketbuffer[handle][0].data, buf, len); |
||
| 563 | |||
| 564 | regs.x.cs = ipx_cs; |
||
| 565 | regs.x.ip = ipx_ip; |
||
| 566 | regs.x.bx = IPX_SEND; |
||
| 567 | regs.x.es = ptr2real(&lma->socketbuffer[handle][0].ecb) >> 4; |
||
| 568 | regs.x.si = ptr2real(&lma->socketbuffer[handle][0].ecb) & 0xf; |
||
| 569 | __dpmi_simulate_real_mode_procedure_retf((__dpmi_regs *)®s); |
||
| 570 | |||
| 571 | return len; |
||
| 572 | } |
||
| 573 | |||
| 574 | //============================================================================= |
||
| 575 | |||
| 576 | char *IPX_AddrToString (struct qsockaddr *addr) |
||
| 577 | { |
||
| 578 | static char buf[28]; |
||
| 579 | |||
| 580 | sprintf(buf, "%02x%02x%02x%02x:%02x%02x%02x%02x%02x%02x:%u", |
||
| 581 | ((struct sockaddr_ipx *)addr)->sipx_addr.network[0], |
||
| 582 | ((struct sockaddr_ipx *)addr)->sipx_addr.network[1], |
||
| 583 | ((struct sockaddr_ipx *)addr)->sipx_addr.network[2], |
||
| 584 | ((struct sockaddr_ipx *)addr)->sipx_addr.network[3], |
||
| 585 | ((struct sockaddr_ipx *)addr)->sipx_addr.node[0], |
||
| 586 | ((struct sockaddr_ipx *)addr)->sipx_addr.node[1], |
||
| 587 | ((struct sockaddr_ipx *)addr)->sipx_addr.node[2], |
||
| 588 | ((struct sockaddr_ipx *)addr)->sipx_addr.node[3], |
||
| 589 | ((struct sockaddr_ipx *)addr)->sipx_addr.node[4], |
||
| 590 | ((struct sockaddr_ipx *)addr)->sipx_addr.node[5], |
||
| 591 | ntohs(((struct sockaddr_ipx *)addr)->sipx_port) |
||
| 592 | ); |
||
| 593 | return buf; |
||
| 594 | } |
||
| 595 | |||
| 596 | //============================================================================= |
||
| 597 | |||
| 598 | int IPX_StringToAddr (char *string, struct qsockaddr *addr) |
||
| 599 | { |
||
| 600 | int val; |
||
| 601 | char buf[3]; |
||
| 602 | |||
| 603 | buf[2] = 0; |
||
| 604 | Q_memset(addr, 0, sizeof(struct qsockaddr)); |
||
| 605 | addr->sa_family = AF_NETWARE; |
||
| 606 | |||
| 607 | #define DO(src,dest) \ |
||
| 608 | buf[0] = string[src]; \ |
||
| 609 | buf[1] = string[src + 1]; \ |
||
| 610 | if (sscanf (buf, "%x", &val) != 1) \ |
||
| 611 | return -1; \ |
||
| 612 | ((struct sockaddr_ipx *)addr)->sipx_addr.dest = val |
||
| 613 | |||
| 614 | DO(0, network[0]); |
||
| 615 | DO(2, network[1]); |
||
| 616 | DO(4, network[2]); |
||
| 617 | DO(6, network[3]); |
||
| 618 | DO(9, node[0]); |
||
| 619 | DO(11, node[1]); |
||
| 620 | DO(13, node[2]); |
||
| 621 | DO(15, node[3]); |
||
| 622 | DO(17, node[4]); |
||
| 623 | DO(19, node[5]); |
||
| 624 | #undef DO |
||
| 625 | |||
| 626 | sscanf (&string[22], "%u", &val); |
||
| 627 | ((struct sockaddr_ipx *)addr)->sipx_port = htons(val); |
||
| 628 | |||
| 629 | return 0; |
||
| 630 | } |
||
| 631 | |||
| 632 | //============================================================================= |
||
| 633 | |||
| 634 | int IPX_GetSocketAddr (int handle, struct qsockaddr *addr) |
||
| 635 | { |
||
| 636 | Q_memset(addr, 0, sizeof(struct qsockaddr)); |
||
| 637 | addr->sa_family = AF_NETWARE; |
||
| 638 | IPX_GetLocalAddress(&((struct sockaddr_ipx *)addr)->sipx_addr); |
||
| 639 | ((struct sockaddr_ipx *)addr)->sipx_port = ipxsocket[handle]; |
||
| 640 | return 0; |
||
| 641 | } |
||
| 642 | |||
| 643 | //============================================================================= |
||
| 644 | |||
| 645 | int IPX_GetNameFromAddr (struct qsockaddr *addr, char *name) |
||
| 646 | { |
||
| 647 | Q_strcpy(name, IPX_AddrToString(addr)); |
||
| 648 | return 0; |
||
| 649 | } |
||
| 650 | |||
| 651 | //============================================================================= |
||
| 652 | |||
| 653 | int IPX_GetAddrFromName (char *name, struct qsockaddr *addr) |
||
| 654 | { |
||
| 655 | int n; |
||
| 656 | char buf[32]; |
||
| 657 | |||
| 658 | n = Q_strlen(name); |
||
| 659 | |||
| 660 | if (n == 12) |
||
| 661 | { |
||
| 662 | sprintf(buf, "00000000:%s:%u", name, net_hostport); |
||
| 663 | return IPX_StringToAddr (buf, addr); |
||
| 664 | } |
||
| 665 | if (n == 21) |
||
| 666 | { |
||
| 667 | sprintf(buf, "%s:%u", name, net_hostport); |
||
| 668 | return IPX_StringToAddr (buf, addr); |
||
| 669 | } |
||
| 670 | if (n > 21 && n <= 27) |
||
| 671 | return IPX_StringToAddr (name, addr); |
||
| 672 | |||
| 673 | return -1; |
||
| 674 | } |
||
| 675 | |||
| 676 | //============================================================================= |
||
| 677 | |||
| 678 | int IPX_AddrCompare (struct qsockaddr *addr1, struct qsockaddr *addr2) |
||
| 679 | { |
||
| 680 | if (addr1->sa_family != addr2->sa_family) |
||
| 681 | return -1; |
||
| 682 | |||
| 683 | if(Q_memcmp(&((struct sockaddr_ipx *)addr1)->sipx_addr, &((struct sockaddr_ipx *)addr2)->sipx_addr, 10)) |
||
| 684 | return -1; |
||
| 685 | |||
| 686 | if (((struct sockaddr_ipx *)addr1)->sipx_port != ((struct sockaddr_ipx *)addr2)->sipx_port) |
||
| 687 | return 1; |
||
| 688 | |||
| 689 | return 0; |
||
| 690 | } |
||
| 691 | |||
| 692 | //============================================================================= |
||
| 693 | |||
| 694 | int IPX_GetSocketPort (struct qsockaddr *addr) |
||
| 695 | { |
||
| 696 | return ntohs(((struct sockaddr_ipx *)addr)->sipx_port); |
||
| 697 | } |
||
| 698 | |||
| 699 | |||
| 700 | int IPX_SetSocketPort (struct qsockaddr *addr, int port) |
||
| 701 | { |
||
| 702 | ((struct sockaddr_ipx *)addr)->sipx_port = htons(port); |
||
| 703 | return 0; |
||
| 704 | } |
||
| 705 | |||
| 706 | //============================================================================= |