836 lines
19 KiB
C
836 lines
19 KiB
C
/*
|
|
Copyright (C) 1997-2001 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_wins.c
|
|
|
|
#include "winsock.h"
|
|
#include "wsipx.h"
|
|
#include "engine.h"
|
|
|
|
#define MAX_LOOPBACK 4
|
|
|
|
typedef struct
|
|
{
|
|
byte data[MAX_MSGLEN];
|
|
int datalen;
|
|
} loopmsg_t;
|
|
|
|
typedef struct
|
|
{
|
|
loopmsg_t msgs[MAX_LOOPBACK];
|
|
int get, send;
|
|
} loopback_t;
|
|
|
|
|
|
cvar_t *net_shownet;
|
|
static cvar_t *noudp;
|
|
static cvar_t *noipx;
|
|
|
|
loopback_t loopbacks[2];
|
|
int ip_sockets[2];
|
|
int ipx_sockets[2];
|
|
|
|
char *NET_ErrorString (void);
|
|
|
|
//=============================================================================
|
|
|
|
void NetadrToSockadr (netadr_t *a, struct sockaddr *s)
|
|
{
|
|
memset (s, 0, sizeof(*s));
|
|
|
|
if (a->type == NA_BROADCAST)
|
|
{
|
|
((struct sockaddr_in *)s)->sin_family = AF_INET;
|
|
((struct sockaddr_in *)s)->sin_port = a->port;
|
|
((struct sockaddr_in *)s)->sin_addr.s_addr = INADDR_BROADCAST;
|
|
}
|
|
else if (a->type == NA_IP)
|
|
{
|
|
((struct sockaddr_in *)s)->sin_family = AF_INET;
|
|
((struct sockaddr_in *)s)->sin_addr.s_addr = *(int *)&a->ip;
|
|
((struct sockaddr_in *)s)->sin_port = a->port;
|
|
}
|
|
else if (a->type == NA_IPX)
|
|
{
|
|
((struct sockaddr_ipx *)s)->sa_family = AF_IPX;
|
|
memcpy(((struct sockaddr_ipx *)s)->sa_netnum, &a->ipx[0], 4);
|
|
memcpy(((struct sockaddr_ipx *)s)->sa_nodenum, &a->ipx[4], 6);
|
|
((struct sockaddr_ipx *)s)->sa_socket = a->port;
|
|
}
|
|
else if (a->type == NA_BROADCAST_IPX)
|
|
{
|
|
((struct sockaddr_ipx *)s)->sa_family = AF_IPX;
|
|
memset(((struct sockaddr_ipx *)s)->sa_netnum, 0, 4);
|
|
memset(((struct sockaddr_ipx *)s)->sa_nodenum, 0xff, 6);
|
|
((struct sockaddr_ipx *)s)->sa_socket = a->port;
|
|
}
|
|
}
|
|
|
|
void SockadrToNetadr (struct sockaddr *s, netadr_t *a)
|
|
{
|
|
if (s->sa_family == AF_INET)
|
|
{
|
|
a->type = NA_IP;
|
|
*(int *)&a->ip = ((struct sockaddr_in *)s)->sin_addr.s_addr;
|
|
a->port = ((struct sockaddr_in *)s)->sin_port;
|
|
}
|
|
else if (s->sa_family == AF_IPX)
|
|
{
|
|
a->type = NA_IPX;
|
|
memcpy(&a->ipx[0], ((struct sockaddr_ipx *)s)->sa_netnum, 4);
|
|
memcpy(&a->ipx[4], ((struct sockaddr_ipx *)s)->sa_nodenum, 6);
|
|
a->port = ((struct sockaddr_ipx *)s)->sa_socket;
|
|
}
|
|
}
|
|
|
|
|
|
bool NET_CompareAdr (netadr_t a, netadr_t b)
|
|
{
|
|
if (a.type != b.type)
|
|
return false;
|
|
|
|
if (a.type == NA_LOOPBACK)
|
|
return TRUE;
|
|
|
|
if (a.type == NA_IP)
|
|
{
|
|
if (a.ip[0] == b.ip[0] && a.ip[1] == b.ip[1] && a.ip[2] == b.ip[2] && a.ip[3] == b.ip[3] && a.port == b.port)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
if (a.type == NA_IPX)
|
|
{
|
|
if ((memcmp(a.ipx, b.ipx, 10) == 0) && a.port == b.port)
|
|
return true;
|
|
return false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
NET_CompareBaseAdr
|
|
|
|
Compares without the port
|
|
===================
|
|
*/
|
|
bool NET_CompareBaseAdr (netadr_t a, netadr_t b)
|
|
{
|
|
if (a.type != b.type)
|
|
return false;
|
|
|
|
if (a.type == NA_LOOPBACK)
|
|
return TRUE;
|
|
|
|
if (a.type == NA_IP)
|
|
{
|
|
if (a.ip[0] == b.ip[0] && a.ip[1] == b.ip[1] && a.ip[2] == b.ip[2] && a.ip[3] == b.ip[3])
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
if (a.type == NA_IPX)
|
|
{
|
|
if ((memcmp(a.ipx, b.ipx, 10) == 0))
|
|
return true;
|
|
return false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
char *NET_AdrToString (netadr_t a)
|
|
{
|
|
static char s[64];
|
|
|
|
if (a.type == NA_LOOPBACK) sprintf (s, "loopback");
|
|
else if (a.type == NA_IP) sprintf (s, "%i.%i.%i.%i:%i", a.ip[0], a.ip[1], a.ip[2], a.ip[3], ntohs(a.port));
|
|
else sprintf (s, "%02x%02x%02x%02x:%02x%02x%02x%02x%02x%02x:%i", a.ipx[0], a.ipx[1], a.ipx[2], a.ipx[3], a.ipx[4], a.ipx[5], a.ipx[6], a.ipx[7], a.ipx[8], a.ipx[9], ntohs(a.port));
|
|
|
|
return s;
|
|
}
|
|
|
|
|
|
/*
|
|
=============
|
|
NET_StringToAdr
|
|
|
|
localhost
|
|
idnewt
|
|
idnewt:28000
|
|
192.246.40.70
|
|
192.246.40.70:28000
|
|
=============
|
|
*/
|
|
#define DO(src,dest) \
|
|
copy[0] = s[src]; \
|
|
copy[1] = s[src + 1]; \
|
|
sscanf (copy, "%x", &val); \
|
|
((struct sockaddr_ipx *)sadr)->dest = val
|
|
|
|
bool NET_StringToSockaddr (char *s, struct sockaddr *sadr)
|
|
{
|
|
struct hostent *h;
|
|
char *colon;
|
|
int val;
|
|
char copy[128];
|
|
|
|
memset (sadr, 0, sizeof(*sadr));
|
|
|
|
if ((strlen(s) >= 23) && (s[8] == ':') && (s[21] == ':')) // check for an IPX address
|
|
{
|
|
((struct sockaddr_ipx *)sadr)->sa_family = AF_IPX;
|
|
copy[2] = 0;
|
|
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]);
|
|
sscanf (&s[22], "%u", &val);
|
|
((struct sockaddr_ipx *)sadr)->sa_socket = htons((unsigned short)val);
|
|
}
|
|
else
|
|
{
|
|
((struct sockaddr_in *)sadr)->sin_family = AF_INET;
|
|
|
|
((struct sockaddr_in *)sadr)->sin_port = 0;
|
|
|
|
strcpy (copy, s);
|
|
// strip off a trailing :port if present
|
|
for (colon = copy ; *colon ; colon++)
|
|
if (*colon == ':')
|
|
{
|
|
*colon = 0;
|
|
((struct sockaddr_in *)sadr)->sin_port = htons((short)atoi(colon+1));
|
|
}
|
|
|
|
if (copy[0] >= '0' && copy[0] <= '9')
|
|
{
|
|
*(int *)&((struct sockaddr_in *)sadr)->sin_addr = inet_addr(copy);
|
|
}
|
|
else
|
|
{
|
|
if (! (h = gethostbyname(copy)) )
|
|
return 0;
|
|
*(int *)&((struct sockaddr_in *)sadr)->sin_addr = *(int *)h->h_addr_list[0];
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#undef DO
|
|
|
|
/*
|
|
=============
|
|
NET_StringToAdr
|
|
|
|
localhost
|
|
idnewt
|
|
idnewt:28000
|
|
192.246.40.70
|
|
192.246.40.70:28000
|
|
=============
|
|
*/
|
|
bool NET_StringToAdr (char *s, netadr_t *a)
|
|
{
|
|
struct sockaddr sadr;
|
|
|
|
if (!strcmp (s, "localhost"))
|
|
{
|
|
memset (a, 0, sizeof(*a));
|
|
a->type = NA_LOOPBACK;
|
|
return true;
|
|
}
|
|
|
|
if (!NET_StringToSockaddr (s, &sadr))
|
|
return false;
|
|
|
|
SockadrToNetadr (&sadr, a);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool NET_IsLocalAddress (netadr_t adr)
|
|
{
|
|
return adr.type == NA_LOOPBACK;
|
|
}
|
|
|
|
/*
|
|
=============================================================================
|
|
|
|
LOOPBACK BUFFERS FOR LOCAL PLAYER
|
|
|
|
=============================================================================
|
|
*/
|
|
|
|
bool NET_GetLoopPacket (netsrc_t sock, netadr_t *net_from, sizebuf_t *net_message)
|
|
{
|
|
int i;
|
|
loopback_t *loop;
|
|
|
|
loop = &loopbacks[sock];
|
|
|
|
if (loop->send - loop->get > MAX_LOOPBACK)
|
|
loop->get = loop->send - MAX_LOOPBACK;
|
|
|
|
if (loop->get >= loop->send)
|
|
return false;
|
|
|
|
i = loop->get & (MAX_LOOPBACK-1);
|
|
loop->get++;
|
|
|
|
memcpy (net_message->data, loop->msgs[i].data, loop->msgs[i].datalen);
|
|
net_message->cursize = loop->msgs[i].datalen;
|
|
memset (net_from, 0, sizeof(*net_from));
|
|
net_from->type = NA_LOOPBACK;
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
void NET_SendLoopPacket (netsrc_t sock, int length, void *data, netadr_t to)
|
|
{
|
|
int i;
|
|
loopback_t *loop;
|
|
|
|
loop = &loopbacks[sock^1];
|
|
|
|
i = loop->send & (MAX_LOOPBACK-1);
|
|
loop->send++;
|
|
|
|
memcpy (loop->msgs[i].data, data, length);
|
|
loop->msgs[i].datalen = length;
|
|
}
|
|
|
|
//=============================================================================
|
|
|
|
bool NET_GetPacket (netsrc_t sock, netadr_t *net_from, sizebuf_t *net_message)
|
|
{
|
|
int ret;
|
|
struct sockaddr from;
|
|
int fromlen;
|
|
int net_socket;
|
|
int protocol;
|
|
int err;
|
|
|
|
if (NET_GetLoopPacket (sock, net_from, net_message))
|
|
return true;
|
|
|
|
for (protocol = 0 ; protocol < 2 ; protocol++)
|
|
{
|
|
if (protocol == 0)
|
|
net_socket = ip_sockets[sock];
|
|
else
|
|
net_socket = ipx_sockets[sock];
|
|
|
|
if (!net_socket)
|
|
continue;
|
|
|
|
fromlen = sizeof(from);
|
|
ret = recvfrom (net_socket, net_message->data, net_message->maxsize
|
|
, 0, (struct sockaddr *)&from, &fromlen);
|
|
|
|
SockadrToNetadr (&from, net_from);
|
|
|
|
if (ret == -1)
|
|
{
|
|
err = WSAGetLastError();
|
|
|
|
if (err == WSAEWOULDBLOCK)
|
|
continue;
|
|
if (err == WSAEMSGSIZE) {
|
|
Msg ("Warning: Oversize packet from %s\n",
|
|
NET_AdrToString(*net_from));
|
|
continue;
|
|
}
|
|
|
|
if (host.type == HOST_DEDICATED) // let dedicated servers continue after errors
|
|
Msg ("NET_GetPacket: %s from %s\n", NET_ErrorString(), NET_AdrToString(*net_from));
|
|
else Com_Error (ERR_DROP, "NET_GetPacket: %s from %s", NET_ErrorString(), NET_AdrToString(*net_from));
|
|
continue;
|
|
}
|
|
|
|
if (ret == net_message->maxsize)
|
|
{
|
|
Msg ("Oversize packet from %s\n", NET_AdrToString (*net_from));
|
|
continue;
|
|
}
|
|
|
|
net_message->cursize = ret;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
//=============================================================================
|
|
|
|
void NET_SendPacket (netsrc_t sock, int length, void *data, netadr_t to)
|
|
{
|
|
int ret;
|
|
struct sockaddr addr;
|
|
int net_socket;
|
|
|
|
if ( to.type == NA_LOOPBACK )
|
|
{
|
|
NET_SendLoopPacket (sock, length, data, to);
|
|
return;
|
|
}
|
|
|
|
if (to.type == NA_BROADCAST)
|
|
{
|
|
net_socket = ip_sockets[sock];
|
|
if (!net_socket) return;
|
|
}
|
|
else if (to.type == NA_IP)
|
|
{
|
|
net_socket = ip_sockets[sock];
|
|
if (!net_socket) return;
|
|
}
|
|
else if (to.type == NA_IPX)
|
|
{
|
|
net_socket = ipx_sockets[sock];
|
|
if (!net_socket) return;
|
|
}
|
|
else if (to.type == NA_BROADCAST_IPX)
|
|
{
|
|
net_socket = ipx_sockets[sock];
|
|
if (!net_socket) return;
|
|
}
|
|
else
|
|
{
|
|
MsgWarn("NET_SendPacket: bad address type\n");
|
|
return;
|
|
}
|
|
|
|
NetadrToSockadr (&to, &addr);
|
|
|
|
ret = sendto (net_socket, data, length, 0, &addr, sizeof(addr) );
|
|
if (ret == -1)
|
|
{
|
|
int err = WSAGetLastError();
|
|
|
|
// wouldblock is silent
|
|
if (err == WSAEWOULDBLOCK)
|
|
return;
|
|
|
|
// some PPP links dont allow broadcasts
|
|
if ((err == WSAEADDRNOTAVAIL) && ((to.type == NA_BROADCAST) || (to.type == NA_BROADCAST_IPX)))
|
|
return;
|
|
|
|
if (host.type == HOST_DEDICATED) // let dedicated servers continue after errors
|
|
{
|
|
Msg ("NET_SendPacket ERROR: %s to %s\n", NET_ErrorString(), NET_AdrToString (to));
|
|
}
|
|
else
|
|
{
|
|
if (err == WSAEADDRNOTAVAIL)
|
|
{
|
|
MsgWarn("NET_SendPacket: %s : %s\n", NET_ErrorString(), NET_AdrToString (to));
|
|
}
|
|
else
|
|
{
|
|
Com_Error (ERR_DROP, "NET_SendPacket ERROR: %s to %s\n", NET_ErrorString(), NET_AdrToString(to));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//=============================================================================
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_Socket
|
|
====================
|
|
*/
|
|
int NET_IPSocket (char *net_interface, int port)
|
|
{
|
|
int newsocket;
|
|
struct sockaddr_in address;
|
|
bool _true = true;
|
|
int i = 1;
|
|
int err;
|
|
|
|
if ((newsocket = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1)
|
|
{
|
|
err = WSAGetLastError();
|
|
if (err != WSAEAFNOSUPPORT)
|
|
Msg ("WARNING: UDP_OpenSocket: socket: %s", NET_ErrorString());
|
|
return 0;
|
|
}
|
|
|
|
// make it non-blocking
|
|
if (ioctlsocket (newsocket, FIONBIO, &_true) == -1)
|
|
{
|
|
Msg ("WARNING: UDP_OpenSocket: ioctl FIONBIO: %s\n", NET_ErrorString());
|
|
return 0;
|
|
}
|
|
|
|
// make it broadcast capable
|
|
if (setsockopt(newsocket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i)) == -1)
|
|
{
|
|
Msg ("WARNING: UDP_OpenSocket: setsockopt SO_BROADCAST: %s\n", NET_ErrorString());
|
|
return 0;
|
|
}
|
|
|
|
if (!net_interface || !net_interface[0] || !stricmp(net_interface, "localhost"))
|
|
address.sin_addr.s_addr = INADDR_ANY;
|
|
else
|
|
NET_StringToSockaddr (net_interface, (struct sockaddr *)&address);
|
|
|
|
if (port == PORT_ANY)
|
|
address.sin_port = 0;
|
|
else
|
|
address.sin_port = htons((short)port);
|
|
|
|
address.sin_family = AF_INET;
|
|
|
|
if( bind (newsocket, (void *)&address, sizeof(address)) == -1)
|
|
{
|
|
Msg ("WARNING: UDP_OpenSocket: bind: %s\n", NET_ErrorString());
|
|
closesocket (newsocket);
|
|
return 0;
|
|
}
|
|
|
|
return newsocket;
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_OpenIP
|
|
====================
|
|
*/
|
|
void NET_OpenIP (void)
|
|
{
|
|
cvar_t *ip;
|
|
int port;
|
|
|
|
ip = Cvar_Get ("ip", "localhost", CVAR_NOSET);
|
|
|
|
if (!ip_sockets[NS_SERVER])
|
|
{
|
|
port = Cvar_Get("ip_hostport", "0", CVAR_NOSET)->value;
|
|
if (!port)
|
|
{
|
|
port = Cvar_Get("hostport", "0", CVAR_NOSET)->value;
|
|
if (!port)
|
|
{
|
|
port = Cvar_Get("port", va("%i", PORT_SERVER), CVAR_NOSET)->value;
|
|
}
|
|
}
|
|
ip_sockets[NS_SERVER] = NET_IPSocket (ip->string, port);
|
|
if (!ip_sockets[NS_SERVER] && host.type == HOST_DEDICATED)
|
|
Sys_Error("Couldn't allocate dedicated server IP port");
|
|
}
|
|
|
|
|
|
// dedicated servers don't need client ports
|
|
if (host.type == HOST_DEDICATED) return;
|
|
|
|
if (!ip_sockets[NS_CLIENT])
|
|
{
|
|
port = Cvar_Get("ip_clientport", "0", CVAR_NOSET)->value;
|
|
if (!port)
|
|
{
|
|
port = Cvar_Get("clientport", va("%i", PORT_CLIENT), CVAR_NOSET)->value;
|
|
if (!port)
|
|
port = PORT_ANY;
|
|
}
|
|
ip_sockets[NS_CLIENT] = NET_IPSocket (ip->string, port);
|
|
if (!ip_sockets[NS_CLIENT])
|
|
ip_sockets[NS_CLIENT] = NET_IPSocket (ip->string, PORT_ANY);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
IPX_Socket
|
|
====================
|
|
*/
|
|
int NET_IPXSocket (int port)
|
|
{
|
|
int newsocket;
|
|
struct sockaddr_ipx address;
|
|
int _true = 1;
|
|
int err;
|
|
|
|
if ((newsocket = socket (PF_IPX, SOCK_DGRAM, NSPROTO_IPX)) == -1)
|
|
{
|
|
err = WSAGetLastError();
|
|
if (err != WSAEAFNOSUPPORT)
|
|
Msg ("WARNING: IPX_Socket: socket: %s\n", NET_ErrorString());
|
|
return 0;
|
|
}
|
|
|
|
// make it non-blocking
|
|
if (ioctlsocket (newsocket, FIONBIO, &_true) == -1)
|
|
{
|
|
Msg ("WARNING: IPX_Socket: ioctl FIONBIO: %s\n", NET_ErrorString());
|
|
return 0;
|
|
}
|
|
|
|
// make it broadcast capable
|
|
if (setsockopt(newsocket, SOL_SOCKET, SO_BROADCAST, (char *)&_true, sizeof(_true)) == -1)
|
|
{
|
|
Msg ("WARNING: IPX_Socket: setsockopt SO_BROADCAST: %s\n", NET_ErrorString());
|
|
return 0;
|
|
}
|
|
|
|
address.sa_family = AF_IPX;
|
|
memset (address.sa_netnum, 0, 4);
|
|
memset (address.sa_nodenum, 0, 6);
|
|
if (port == PORT_ANY)
|
|
address.sa_socket = 0;
|
|
else
|
|
address.sa_socket = htons((short)port);
|
|
|
|
if( bind (newsocket, (void *)&address, sizeof(address)) == -1)
|
|
{
|
|
Msg ("WARNING: IPX_Socket: bind: %s\n", NET_ErrorString());
|
|
closesocket (newsocket);
|
|
return 0;
|
|
}
|
|
|
|
return newsocket;
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_OpenIPX
|
|
====================
|
|
*/
|
|
void NET_OpenIPX (void)
|
|
{
|
|
int port;
|
|
|
|
if (!ipx_sockets[NS_SERVER])
|
|
{
|
|
port = Cvar_Get("ipx_hostport", "0", CVAR_NOSET)->value;
|
|
if (!port)
|
|
{
|
|
port = Cvar_Get("hostport", "0", CVAR_NOSET)->value;
|
|
if (!port)
|
|
{
|
|
port = Cvar_Get("port", va("%i", PORT_SERVER), CVAR_NOSET)->value;
|
|
}
|
|
}
|
|
ipx_sockets[NS_SERVER] = NET_IPXSocket (port);
|
|
}
|
|
|
|
// dedicated servers don't need client ports
|
|
if (host.type == HOST_DEDICATED) return;
|
|
|
|
if (!ipx_sockets[NS_CLIENT])
|
|
{
|
|
port = Cvar_Get("ipx_clientport", "0", CVAR_NOSET)->value;
|
|
if (!port)
|
|
{
|
|
port = Cvar_Get("clientport", va("%i", PORT_CLIENT), CVAR_NOSET)->value;
|
|
if (!port)
|
|
port = PORT_ANY;
|
|
}
|
|
ipx_sockets[NS_CLIENT] = NET_IPXSocket (port);
|
|
if (!ipx_sockets[NS_CLIENT])
|
|
ipx_sockets[NS_CLIENT] = NET_IPXSocket (PORT_ANY);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_Config
|
|
|
|
A single player game will only use the loopback code
|
|
====================
|
|
*/
|
|
void NET_Config (bool multiplayer)
|
|
{
|
|
int i;
|
|
static bool old_config;
|
|
|
|
if (old_config == multiplayer)
|
|
return;
|
|
|
|
old_config = multiplayer;
|
|
|
|
if (!multiplayer)
|
|
{ // shut down any existing sockets
|
|
for (i=0 ; i<2 ; i++)
|
|
{
|
|
if (ip_sockets[i])
|
|
{
|
|
closesocket (ip_sockets[i]);
|
|
ip_sockets[i] = 0;
|
|
}
|
|
if (ipx_sockets[i])
|
|
{
|
|
closesocket (ipx_sockets[i]);
|
|
ipx_sockets[i] = 0;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{ // open sockets
|
|
if (! noudp->value)
|
|
NET_OpenIP ();
|
|
if (! noipx->value)
|
|
NET_OpenIPX ();
|
|
}
|
|
}
|
|
|
|
// sleeps msec or until net socket is ready
|
|
void NET_Sleep(int msec)
|
|
{
|
|
struct timeval timeout;
|
|
fd_set fdset;
|
|
int i = 0;
|
|
|
|
// we're not a server, just run full speed
|
|
if (host.type == HOST_NORMAL) return;
|
|
FD_ZERO(&fdset);
|
|
|
|
if (ip_sockets[NS_SERVER])
|
|
{
|
|
FD_SET(ip_sockets[NS_SERVER], &fdset); // network socket
|
|
i = ip_sockets[NS_SERVER];
|
|
}
|
|
if (ipx_sockets[NS_SERVER])
|
|
{
|
|
FD_SET(ipx_sockets[NS_SERVER], &fdset); // network socket
|
|
if (ipx_sockets[NS_SERVER] > i) i = ipx_sockets[NS_SERVER];
|
|
}
|
|
timeout.tv_sec = msec/1000;
|
|
timeout.tv_usec = (msec%1000) * 1000;
|
|
select(i+1, &fdset, NULL, NULL, &timeout);
|
|
}
|
|
|
|
//===================================================================
|
|
|
|
|
|
static WSADATA winsockdata;
|
|
|
|
/*
|
|
====================
|
|
NET_Init
|
|
====================
|
|
*/
|
|
void NET_Init (void)
|
|
{
|
|
WORD wVersionRequested;
|
|
int r;
|
|
|
|
wVersionRequested = MAKEWORD(1, 1);
|
|
|
|
r = WSAStartup (MAKEWORD(1, 1), &winsockdata);
|
|
if(r) Sys_Error("Winsock initialization failed.");
|
|
|
|
Msg("Winsock Initialized\n");
|
|
|
|
noudp = Cvar_Get ("noudp", "0", CVAR_NOSET);
|
|
noipx = Cvar_Get ("noipx", "0", CVAR_NOSET);
|
|
|
|
net_shownet = Cvar_Get ("net_shownet", "0", 0);
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_Shutdown
|
|
====================
|
|
*/
|
|
void NET_Shutdown (void)
|
|
{
|
|
NET_Config (false); // close sockets
|
|
|
|
WSACleanup ();
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
NET_ErrorString
|
|
====================
|
|
*/
|
|
char *NET_ErrorString (void)
|
|
{
|
|
int code;
|
|
|
|
code = WSAGetLastError ();
|
|
switch (code)
|
|
{
|
|
case WSAEINTR: return "WSAEINTR";
|
|
case WSAEBADF: return "WSAEBADF";
|
|
case WSAEACCES: return "WSAEACCES";
|
|
case WSAEDISCON: return "WSAEDISCON";
|
|
case WSAEFAULT: return "WSAEFAULT";
|
|
case WSAEINVAL: return "WSAEINVAL";
|
|
case WSAEMFILE: return "WSAEMFILE";
|
|
case WSAEWOULDBLOCK: return "WSAEWOULDBLOCK";
|
|
case WSAEINPROGRESS: return "WSAEINPROGRESS";
|
|
case WSAEALREADY: return "WSAEALREADY";
|
|
case WSAENOTSOCK: return "WSAENOTSOCK";
|
|
case WSAEDESTADDRREQ: return "WSAEDESTADDRREQ";
|
|
case WSAEMSGSIZE: return "WSAEMSGSIZE";
|
|
case WSAEPROTOTYPE: return "WSAEPROTOTYPE";
|
|
case WSAENOPROTOOPT: return "WSAENOPROTOOPT";
|
|
case WSAEPROTONOSUPPORT: return "WSAEPROTONOSUPPORT";
|
|
case WSAESOCKTNOSUPPORT: return "WSAESOCKTNOSUPPORT";
|
|
case WSAEOPNOTSUPP: return "WSAEOPNOTSUPP";
|
|
case WSAEPFNOSUPPORT: return "WSAEPFNOSUPPORT";
|
|
case WSAEAFNOSUPPORT: return "WSAEAFNOSUPPORT";
|
|
case WSAEADDRINUSE: return "WSAEADDRINUSE";
|
|
case WSAEADDRNOTAVAIL: return "WSAEADDRNOTAVAIL";
|
|
case WSAENETDOWN: return "WSAENETDOWN";
|
|
case WSAENETUNREACH: return "WSAENETUNREACH";
|
|
case WSAENETRESET: return "WSAENETRESET";
|
|
case WSAECONNABORTED: return "WSWSAECONNABORTEDAEINTR";
|
|
case WSAECONNRESET: return "WSAECONNRESET";
|
|
case WSAENOBUFS: return "WSAENOBUFS";
|
|
case WSAEISCONN: return "WSAEISCONN";
|
|
case WSAENOTCONN: return "WSAENOTCONN";
|
|
case WSAESHUTDOWN: return "WSAESHUTDOWN";
|
|
case WSAETOOMANYREFS: return "WSAETOOMANYREFS";
|
|
case WSAETIMEDOUT: return "WSAETIMEDOUT";
|
|
case WSAECONNREFUSED: return "WSAECONNREFUSED";
|
|
case WSAELOOP: return "WSAELOOP";
|
|
case WSAENAMETOOLONG: return "WSAENAMETOOLONG";
|
|
case WSAEHOSTDOWN: return "WSAEHOSTDOWN";
|
|
case WSASYSNOTREADY: return "WSASYSNOTREADY";
|
|
case WSAVERNOTSUPPORTED: return "WSAVERNOTSUPPORTED";
|
|
case WSANOTINITIALISED: return "WSANOTINITIALISED";
|
|
case WSAHOST_NOT_FOUND: return "WSAHOST_NOT_FOUND";
|
|
case WSATRY_AGAIN: return "WSATRY_AGAIN";
|
|
case WSANO_RECOVERY: return "WSANO_RECOVERY";
|
|
case WSANO_DATA: return "WSANO_DATA";
|
|
default: return "NO ERROR";
|
|
}
|
|
}
|