+++ /dev/null
-/*
-Copyright (C) 1996-1997 Id Software, Inc.
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-*/
-// net_wipx.c
-
-#include "quakedef.h"
-#include "winquake.h"
-#include <wsipx.h>
-#include "net_wipx.h"
-
-#define MAXHOSTNAMELEN 256
-
-static int net_acceptsocket = -1; // socket for fielding new connections
-static int net_controlsocket;
-static struct qsockaddr broadcastaddr;
-
-extern qboolean winsock_initialized;
-extern WSADATA winsockdata;
-
-#define IPXSOCKETS 18
-static int ipxsocket[IPXSOCKETS];
-static int sequence[IPXSOCKETS];
-
-//=============================================================================
-
-int WIPX_Init (void)
-{
- int i;
- char buff[MAXHOSTNAMELEN];
- struct qsockaddr addr;
- char *p;
- int r;
- WORD wVersionRequested;
-
- if (!COM_CheckParm ("-ipx")) // LordHavoc: changed -noipx to -ipx at Dabb's request, apparently crashs on computers without MS clients installed
- return -1;
-
-// make sure LoadLibrary has happened successfully
- if (!winsock_lib_initialized)
- return -1;
-
- if (winsock_initialized == 0)
- {
- wVersionRequested = MAKEWORD(1, 1);
-
- r = pWSAStartup (MAKEWORD(1, 1), &winsockdata);
-
- if (r)
- {
- Con_Printf ("Winsock initialization failed.\n");
- return -1;
- }
- }
- winsock_initialized++;
-
- for (i = 0; i < IPXSOCKETS; i++)
- ipxsocket[i] = 0;
-
- // determine my name & address
- if (pgethostname(buff, MAXHOSTNAMELEN) == 0)
- {
- // if the quake hostname isn't set, set it to the machine name
- if (strcmp(hostname.string, "UNNAMED") == 0)
- {
- // see if it's a text IP address (well, close enough)
- for (p = buff; *p; p++)
- if ((*p < '0' || *p > '9') && *p != '.')
- break;
-
- // if it is a real name, strip off the domain; we only want the host
- if (*p)
- {
- for (i = 0; i < 15; i++)
- if (buff[i] == '.')
- break;
- buff[i] = 0;
- }
- Cvar_Set ("hostname", buff);
- }
- }
-
- if ((net_controlsocket = WIPX_OpenSocket (0)) == -1)
- {
- Con_Printf("WIPX_Init: Unable to open control socket\n");
- if (--winsock_initialized == 0)
- pWSACleanup ();
- return -1;
- }
-
- ((struct sockaddr_ipx *)&broadcastaddr)->sa_family = AF_IPX;
- memset(((struct sockaddr_ipx *)&broadcastaddr)->sa_netnum, 0, 4);
- memset(((struct sockaddr_ipx *)&broadcastaddr)->sa_nodenum, 0xff, 6);
- ((struct sockaddr_ipx *)&broadcastaddr)->sa_socket = htons((unsigned short)net_hostport);
-
- WIPX_GetSocketAddr (net_controlsocket, &addr);
- strcpy(my_ipx_address, WIPX_AddrToString (&addr));
- p = strrchr (my_ipx_address, ':');
- if (p)
- *p = 0;
-
- Con_Printf("Winsock IPX Initialized\n");
- ipxAvailable = true;
-
- return net_controlsocket;
-}
-
-//=============================================================================
-
-void WIPX_Shutdown (void)
-{
- WIPX_Listen (false);
- WIPX_CloseSocket (net_controlsocket);
- if (--winsock_initialized == 0)
- pWSACleanup ();
-}
-
-//=============================================================================
-
-void WIPX_Listen (qboolean state)
-{
- // enable listening
- if (state)
- {
- if (net_acceptsocket != -1)
- return;
- if ((net_acceptsocket = WIPX_OpenSocket (net_hostport)) == -1)
- Sys_Error ("WIPX_Listen: Unable to open accept socket\n");
- return;
- }
-
- // disable listening
- if (net_acceptsocket == -1)
- return;
- WIPX_CloseSocket (net_acceptsocket);
- net_acceptsocket = -1;
-}
-
-//=============================================================================
-
-int WIPX_OpenSocket (int port)
-{
- int handle;
- int newsocket;
- struct sockaddr_ipx address;
- u_long _true = 1;
-
- for (handle = 0; handle < IPXSOCKETS; handle++)
- if (ipxsocket[handle] == 0)
- break;
- if (handle == IPXSOCKETS)
- return -1;
-
- if ((newsocket = psocket (AF_IPX, SOCK_DGRAM, NSPROTO_IPX)) == INVALID_SOCKET)
- return -1;
-
- if (pioctlsocket (newsocket, FIONBIO, &_true) == -1)
- goto ErrorReturn;
-
- if (psetsockopt(newsocket, SOL_SOCKET, SO_BROADCAST, (char *)&_true, sizeof(_true)) < 0)
- goto ErrorReturn;
-
- address.sa_family = AF_IPX;
- memset(address.sa_netnum, 0, 4);
- memset(address.sa_nodenum, 0, 6);;
- address.sa_socket = htons((unsigned short)port);
- if( bind (newsocket, (void *)&address, sizeof(address)) == 0)
- {
- ipxsocket[handle] = newsocket;
- sequence[handle] = 0;
- return handle;
- }
-
- Sys_Error ("Winsock IPX bind failed\n");
-ErrorReturn:
- pclosesocket (newsocket);
- return -1;
-}
-
-//=============================================================================
-
-int WIPX_CloseSocket (int handle)
-{
- int socket = ipxsocket[handle];
- int ret;
-
- ret = pclosesocket (socket);
- ipxsocket[handle] = 0;
- return ret;
-}
-
-
-//=============================================================================
-
-int WIPX_Connect (int handle, struct qsockaddr *addr)
-{
- return 0;
-}
-
-//=============================================================================
-
-int WIPX_CheckNewConnections (void)
-{
- unsigned long available;
-
- if (net_acceptsocket == -1)
- return -1;
-
- if (pioctlsocket (ipxsocket[net_acceptsocket], FIONREAD, &available) == -1)
- Sys_Error ("WIPX: ioctlsocket (FIONREAD) failed\n");
- if (available)
- return net_acceptsocket;
- return -1;
-}
-
-//=============================================================================
-
-int WIPX_Recv (qbyte *buf, int len, struct qsockaddr *addr)
-{
- return WIPX_Read (net_acceptsocket, buf, len, addr);
-}
-
-//=============================================================================
-
-int WIPX_Send (qbyte *buf, int len, struct qsockaddr *addr)
-{
- return WIPX_Write (net_acceptsocket, buf, len, addr);
-}
-
-//=============================================================================
-
-static qbyte packetBuffer[NET_DATAGRAMSIZE + 4];
-
-int WIPX_Read (int handle, qbyte *buf, int len, struct qsockaddr *addr)
-{
- int addrlen = sizeof (struct qsockaddr);
- int socket = ipxsocket[handle];
- int ret;
- int errno;
-
- ret = precvfrom (socket, packetBuffer, len+4, 0, (struct sockaddr *)addr, &addrlen);
- if (ret == -1)
- {
- errno = pWSAGetLastError();
-
- if (errno == WSAEWOULDBLOCK || errno == WSAECONNREFUSED)
- return 0;
-
- }
-
- if (ret < 4)
- return 0;
-
- // remove sequence number, it's only needed for DOS IPX
- ret -= 4;
- memcpy(buf, packetBuffer+4, ret);
-
- return ret;
-}
-
-//=============================================================================
-
-int WIPX_Broadcast (int handle, qbyte *buf, int len)
-{
- return WIPX_Write (handle, buf, len, &broadcastaddr);
-}
-
-//=============================================================================
-
-int WIPX_Write (int handle, qbyte *buf, int len, struct qsockaddr *addr)
-{
- int socket = ipxsocket[handle];
- int ret;
-
- // build packet with sequence number
- *(int *)(&packetBuffer[0]) = sequence[handle];
- sequence[handle]++;
- memcpy(&packetBuffer[4], buf, len);
- len += 4;
-
- ret = psendto (socket, packetBuffer, len, 0, (struct sockaddr *)addr, sizeof(struct qsockaddr));
- if (ret == -1)
- if (pWSAGetLastError() == WSAEWOULDBLOCK)
- return 0;
-
- return ret;
-}
-
-//=============================================================================
-
-char *WIPX_AddrToString (const struct qsockaddr *addr)
-{
- static char buf[28];
-
- sprintf(buf, "%02x%02x%02x%02x:%02x%02x%02x%02x%02x%02x:%u",
- ((struct sockaddr_ipx *)addr)->sa_netnum[0] & 0xff,
- ((struct sockaddr_ipx *)addr)->sa_netnum[1] & 0xff,
- ((struct sockaddr_ipx *)addr)->sa_netnum[2] & 0xff,
- ((struct sockaddr_ipx *)addr)->sa_netnum[3] & 0xff,
- ((struct sockaddr_ipx *)addr)->sa_nodenum[0] & 0xff,
- ((struct sockaddr_ipx *)addr)->sa_nodenum[1] & 0xff,
- ((struct sockaddr_ipx *)addr)->sa_nodenum[2] & 0xff,
- ((struct sockaddr_ipx *)addr)->sa_nodenum[3] & 0xff,
- ((struct sockaddr_ipx *)addr)->sa_nodenum[4] & 0xff,
- ((struct sockaddr_ipx *)addr)->sa_nodenum[5] & 0xff,
- ntohs(((struct sockaddr_ipx *)addr)->sa_socket)
- );
- return buf;
-}
-
-//=============================================================================
-
-int WIPX_StringToAddr (const char *string, struct qsockaddr *addr)
-{
- int val;
- char buf[3];
-
- buf[2] = 0;
- memset(addr, 0, sizeof(struct qsockaddr));
- addr->sa_family = AF_IPX;
-
-#define DO(src,dest) \
- buf[0] = string[src]; \
- buf[1] = string[src + 1]; \
- if (sscanf (buf, "%x", &val) != 1) \
- return -1; \
- ((struct sockaddr_ipx *)addr)->dest = val
-
- DO(0, sa_netnum[0]);
- DO(2, sa_netnum[1]);
- DO(4, sa_netnum[2]);
- DO(6, sa_netnum[3]);
- DO(9, sa_nodenum[0]);
- DO(11, sa_nodenum[1]);
- DO(13, sa_nodenum[2]);
- DO(15, sa_nodenum[3]);
- DO(17, sa_nodenum[4]);
- DO(19, sa_nodenum[5]);
-#undef DO
-
- sscanf (&string[22], "%u", &val);
- ((struct sockaddr_ipx *)addr)->sa_socket = htons((unsigned short)val);
-
- return 0;
-}
-
-//=============================================================================
-
-int WIPX_GetSocketAddr (int handle, struct qsockaddr *addr)
-{
- int errno;
- int socket = ipxsocket[handle];
- int addrlen = sizeof(struct qsockaddr);
-
- memset(addr, 0, sizeof(struct qsockaddr));
- if(pgetsockname(socket, (struct sockaddr *)addr, &addrlen) != 0)
- {
- errno = pWSAGetLastError();
- }
-
- return 0;
-}
-
-//=============================================================================
-
-int WIPX_GetNameFromAddr (const struct qsockaddr *addr, char *name)
-{
- strcpy(name, WIPX_AddrToString(addr));
- return 0;
-}
-
-//=============================================================================
-
-int WIPX_GetAddrFromName(const char *name, struct qsockaddr *addr)
-{
- int n;
- char buf[32];
-
- n = strlen(name);
-
- if (n == 12)
- {
- sprintf(buf, "00000000:%s:%u", name, net_hostport);
- return WIPX_StringToAddr (buf, addr);
- }
- if (n == 21)
- {
- sprintf(buf, "%s:%u", name, net_hostport);
- return WIPX_StringToAddr (buf, addr);
- }
- if (n > 21 && n <= 27)
- return WIPX_StringToAddr (name, addr);
-
- return -1;
-}
-
-//=============================================================================
-
-int WIPX_AddrCompare (const struct qsockaddr *addr1, const struct qsockaddr *addr2)
-{
- if (addr1->sa_family != addr2->sa_family)
- return -1;
-
- if (*((struct sockaddr_ipx *)addr1)->sa_netnum && *((struct sockaddr_ipx *)addr2)->sa_netnum)
- if (memcmp(((struct sockaddr_ipx *)addr1)->sa_netnum, ((struct sockaddr_ipx *)addr2)->sa_netnum, 4) != 0)
- return -1;
- if (memcmp(((struct sockaddr_ipx *)addr1)->sa_nodenum, ((struct sockaddr_ipx *)addr2)->sa_nodenum, 6) != 0)
- return -1;
-
- if (((struct sockaddr_ipx *)addr1)->sa_socket != ((struct sockaddr_ipx *)addr2)->sa_socket)
- return 1;
-
- return 0;
-}
-
-//=============================================================================
-
-int WIPX_GetSocketPort (struct qsockaddr *addr)
-{
- return ntohs(((struct sockaddr_ipx *)addr)->sa_socket);
-}
-
-
-int WIPX_SetSocketPort (struct qsockaddr *addr, int port)
-{
- ((struct sockaddr_ipx *)addr)->sa_socket = htons((unsigned short)port);
- return 0;
-}
-
projects / xonotic / darkplaces.git / blobdiff