2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 #define MAXHOSTNAMELEN 256
29 static int net_acceptsocket = -1; // socket for fielding new connections
30 static int net_controlsocket;
31 static struct qsockaddr broadcastaddr;
33 extern qboolean winsock_initialized;
34 extern WSADATA winsockdata;
37 static int ipxsocket[IPXSOCKETS];
38 static int sequence[IPXSOCKETS];
40 //=============================================================================
45 char buff[MAXHOSTNAMELEN];
46 struct qsockaddr addr;
49 WORD wVersionRequested;
51 if (!COM_CheckParm ("-ipx")) // LordHavoc: changed -noipx to -ipx at Dabb's request, apparently crashs on computers without MS clients installed
54 // make sure LoadLibrary has happened successfully
55 if (!winsock_lib_initialized)
58 if (winsock_initialized == 0)
60 wVersionRequested = MAKEWORD(1, 1);
62 r = pWSAStartup (MAKEWORD(1, 1), &winsockdata);
66 Con_Printf ("Winsock initialization failed.\n");
70 winsock_initialized++;
72 for (i = 0; i < IPXSOCKETS; i++)
75 // determine my name & address
76 if (pgethostname(buff, MAXHOSTNAMELEN) == 0)
78 // if the quake hostname isn't set, set it to the machine name
79 if (strcmp(hostname.string, "UNNAMED") == 0)
81 // see if it's a text IP address (well, close enough)
82 for (p = buff; *p; p++)
83 if ((*p < '0' || *p > '9') && *p != '.')
86 // if it is a real name, strip off the domain; we only want the host
89 for (i = 0; i < 15; i++)
94 Cvar_Set ("hostname", buff);
98 if ((net_controlsocket = WIPX_OpenSocket (0)) == -1)
100 Con_Printf("WIPX_Init: Unable to open control socket\n");
101 if (--winsock_initialized == 0)
106 ((struct sockaddr_ipx *)&broadcastaddr)->sa_family = AF_IPX;
107 memset(((struct sockaddr_ipx *)&broadcastaddr)->sa_netnum, 0, 4);
108 memset(((struct sockaddr_ipx *)&broadcastaddr)->sa_nodenum, 0xff, 6);
109 ((struct sockaddr_ipx *)&broadcastaddr)->sa_socket = htons((unsigned short)net_hostport);
111 WIPX_GetSocketAddr (net_controlsocket, &addr);
112 strcpy(my_ipx_address, WIPX_AddrToString (&addr));
113 p = strrchr (my_ipx_address, ':');
117 Con_Printf("Winsock IPX Initialized\n");
120 return net_controlsocket;
123 //=============================================================================
125 void WIPX_Shutdown (void)
128 WIPX_CloseSocket (net_controlsocket);
129 if (--winsock_initialized == 0)
133 //=============================================================================
135 void WIPX_Listen (qboolean state)
140 if (net_acceptsocket != -1)
142 if ((net_acceptsocket = WIPX_OpenSocket (net_hostport)) == -1)
143 Sys_Error ("WIPX_Listen: Unable to open accept socket\n");
148 if (net_acceptsocket == -1)
150 WIPX_CloseSocket (net_acceptsocket);
151 net_acceptsocket = -1;
154 //=============================================================================
156 int WIPX_OpenSocket (int port)
160 struct sockaddr_ipx address;
163 for (handle = 0; handle < IPXSOCKETS; handle++)
164 if (ipxsocket[handle] == 0)
166 if (handle == IPXSOCKETS)
169 if ((newsocket = psocket (AF_IPX, SOCK_DGRAM, NSPROTO_IPX)) == INVALID_SOCKET)
172 if (pioctlsocket (newsocket, FIONBIO, &_true) == -1)
175 if (psetsockopt(newsocket, SOL_SOCKET, SO_BROADCAST, (char *)&_true, sizeof(_true)) < 0)
178 address.sa_family = AF_IPX;
179 memset(address.sa_netnum, 0, 4);
180 memset(address.sa_nodenum, 0, 6);;
181 address.sa_socket = htons((unsigned short)port);
182 if( bind (newsocket, (void *)&address, sizeof(address)) == 0)
184 ipxsocket[handle] = newsocket;
185 sequence[handle] = 0;
189 Sys_Error ("Winsock IPX bind failed\n");
191 pclosesocket (newsocket);
195 //=============================================================================
197 int WIPX_CloseSocket (int handle)
199 int socket = ipxsocket[handle];
202 ret = pclosesocket (socket);
203 ipxsocket[handle] = 0;
208 //=============================================================================
210 int WIPX_Connect (int handle, struct qsockaddr *addr)
215 //=============================================================================
217 int WIPX_CheckNewConnections (void)
219 unsigned long available;
221 if (net_acceptsocket == -1)
224 if (pioctlsocket (ipxsocket[net_acceptsocket], FIONREAD, &available) == -1)
225 Sys_Error ("WIPX: ioctlsocket (FIONREAD) failed\n");
227 return net_acceptsocket;
231 //=============================================================================
233 static qbyte packetBuffer[NET_DATAGRAMSIZE + 4];
235 int WIPX_Read (int handle, qbyte *buf, int len, struct qsockaddr *addr)
237 int addrlen = sizeof (struct qsockaddr);
238 int socket = ipxsocket[handle];
242 ret = precvfrom (socket, packetBuffer, len+4, 0, (struct sockaddr *)addr, &addrlen);
245 errno = pWSAGetLastError();
247 if (errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED)
255 // remove sequence number, it's only needed for DOS IPX
257 memcpy(buf, packetBuffer+4, ret);
262 //=============================================================================
264 int WIPX_Broadcast (int handle, qbyte *buf, int len)
266 return WIPX_Write (handle, buf, len, &broadcastaddr);
269 //=============================================================================
271 int WIPX_Write (int handle, qbyte *buf, int len, struct qsockaddr *addr)
273 int socket = ipxsocket[handle];
276 // build packet with sequence number
277 *(int *)(&packetBuffer[0]) = sequence[handle];
279 memcpy(&packetBuffer[4], buf, len);
282 ret = psendto (socket, packetBuffer, len, 0, (struct sockaddr *)addr, sizeof(struct qsockaddr));
284 if (pWSAGetLastError() == WSAEWOULDBLOCK)
290 //=============================================================================
292 char *WIPX_AddrToString (struct qsockaddr *addr)
296 sprintf(buf, "%02x%02x%02x%02x:%02x%02x%02x%02x%02x%02x:%u",
297 ((struct sockaddr_ipx *)addr)->sa_netnum[0] & 0xff,
298 ((struct sockaddr_ipx *)addr)->sa_netnum[1] & 0xff,
299 ((struct sockaddr_ipx *)addr)->sa_netnum[2] & 0xff,
300 ((struct sockaddr_ipx *)addr)->sa_netnum[3] & 0xff,
301 ((struct sockaddr_ipx *)addr)->sa_nodenum[0] & 0xff,
302 ((struct sockaddr_ipx *)addr)->sa_nodenum[1] & 0xff,
303 ((struct sockaddr_ipx *)addr)->sa_nodenum[2] & 0xff,
304 ((struct sockaddr_ipx *)addr)->sa_nodenum[3] & 0xff,
305 ((struct sockaddr_ipx *)addr)->sa_nodenum[4] & 0xff,
306 ((struct sockaddr_ipx *)addr)->sa_nodenum[5] & 0xff,
307 ntohs(((struct sockaddr_ipx *)addr)->sa_socket)
312 //=============================================================================
314 int WIPX_StringToAddr (char *string, struct qsockaddr *addr)
320 memset(addr, 0, sizeof(struct qsockaddr));
321 addr->sa_family = AF_IPX;
323 #define DO(src,dest) \
324 buf[0] = string[src]; \
325 buf[1] = string[src + 1]; \
326 if (sscanf (buf, "%x", &val) != 1) \
328 ((struct sockaddr_ipx *)addr)->dest = val
334 DO(9, sa_nodenum[0]);
335 DO(11, sa_nodenum[1]);
336 DO(13, sa_nodenum[2]);
337 DO(15, sa_nodenum[3]);
338 DO(17, sa_nodenum[4]);
339 DO(19, sa_nodenum[5]);
342 sscanf (&string[22], "%u", &val);
343 ((struct sockaddr_ipx *)addr)->sa_socket = htons((unsigned short)val);
348 //=============================================================================
350 int WIPX_GetSocketAddr (int handle, struct qsockaddr *addr)
353 int socket = ipxsocket[handle];
354 int addrlen = sizeof(struct qsockaddr);
356 memset(addr, 0, sizeof(struct qsockaddr));
357 if(pgetsockname(socket, (struct sockaddr *)addr, &addrlen) != 0)
359 errno = pWSAGetLastError();
365 //=============================================================================
367 int WIPX_GetNameFromAddr (struct qsockaddr *addr, char *name)
369 strcpy(name, WIPX_AddrToString(addr));
373 //=============================================================================
375 int WIPX_GetAddrFromName(char *name, struct qsockaddr *addr)
384 sprintf(buf, "00000000:%s:%u", name, net_hostport);
385 return WIPX_StringToAddr (buf, addr);
389 sprintf(buf, "%s:%u", name, net_hostport);
390 return WIPX_StringToAddr (buf, addr);
392 if (n > 21 && n <= 27)
393 return WIPX_StringToAddr (name, addr);
398 //=============================================================================
400 int WIPX_AddrCompare (struct qsockaddr *addr1, struct qsockaddr *addr2)
402 if (addr1->sa_family != addr2->sa_family)
405 if (*((struct sockaddr_ipx *)addr1)->sa_netnum && *((struct sockaddr_ipx *)addr2)->sa_netnum)
406 if (memcmp(((struct sockaddr_ipx *)addr1)->sa_netnum, ((struct sockaddr_ipx *)addr2)->sa_netnum, 4) != 0)
408 if (memcmp(((struct sockaddr_ipx *)addr1)->sa_nodenum, ((struct sockaddr_ipx *)addr2)->sa_nodenum, 6) != 0)
411 if (((struct sockaddr_ipx *)addr1)->sa_socket != ((struct sockaddr_ipx *)addr2)->sa_socket)
417 //=============================================================================
419 int WIPX_GetSocketPort (struct qsockaddr *addr)
421 return ntohs(((struct sockaddr_ipx *)addr)->sa_socket);
425 int WIPX_SetSocketPort (struct qsockaddr *addr, int port)
427 ((struct sockaddr_ipx *)addr)->sa_socket = htons((unsigned short)port);