diff options
Diffstat (limited to 'WinQuake/net_wipx.c')
| -rw-r--r-- | WinQuake/net_wipx.c | 432 |
1 files changed, 432 insertions, 0 deletions
diff --git a/WinQuake/net_wipx.c b/WinQuake/net_wipx.c new file mode 100644 index 0000000..a2ac624 --- /dev/null +++ b/WinQuake/net_wipx.c @@ -0,0 +1,432 @@ +/* +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" + +extern cvar_t hostname; + +#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 ("-noipx")) + 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 (Q_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); + Q_strcpy(my_ipx_address, WIPX_AddrToString (&addr)); + p = Q_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; +} + +//============================================================================= + +static byte packetBuffer[NET_DATAGRAMSIZE + 4]; + +int WIPX_Read (int handle, byte *buf, int len, struct qsockaddr *addr) +{ + int addrlen = sizeof (struct qsockaddr); + int socket = ipxsocket[handle]; + int ret; + + ret = precvfrom (socket, packetBuffer, len+4, 0, (struct sockaddr *)addr, &addrlen); + if (ret == -1) + { + int 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, byte *buf, int len) +{ + return WIPX_Write (handle, buf, len, &broadcastaddr); +} + +//============================================================================= + +int WIPX_Write (int handle, byte *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 (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 (char *string, struct qsockaddr *addr) +{ + int val; + char buf[3]; + + buf[2] = 0; + Q_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 socket = ipxsocket[handle]; + int addrlen = sizeof(struct qsockaddr); + unsigned int a; + + Q_memset(addr, 0, sizeof(struct qsockaddr)); + if(pgetsockname(socket, (struct sockaddr *)addr, &addrlen) != 0) + { + int errno = pWSAGetLastError(); + } + + return 0; +} + +//============================================================================= + +int WIPX_GetNameFromAddr (struct qsockaddr *addr, char *name) +{ + Q_strcpy(name, WIPX_AddrToString(addr)); + return 0; +} + +//============================================================================= + +int WIPX_GetAddrFromName(char *name, struct qsockaddr *addr) +{ + int n; + char buf[32]; + + n = Q_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 (struct qsockaddr *addr1, 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; +} + +//============================================================================= |