quakeforge/qw/source/sv_sys_win.c

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/*
sv_sys_win.c
(description)
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
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static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <conio.h>
#include <ctype.h>
#include <stdlib.h>
#include <winsock.h>
#include "QF/cvar.h"
#include "QF/qargs.h"
#include "QF/sys.h"
#include "compat.h"
#include "server.h"
qboolean is_server = true;
qboolean WinNT;
server_static_t svs;
char *svs_info = svs.info;
void
Sys_Init (void)
{
OSVERSIONINFO vinfo;
#ifdef USE_INTEL_ASM
Sys_SetFPCW ();
#endif
// make sure the timer is high precision, otherwise NT gets 18ms resolution
timeBeginPeriod (1);
vinfo.dwOSVersionInfoSize = sizeof (vinfo);
if (!GetVersionEx (&vinfo))
Sys_Error ("Couldn't get OS info");
if ((vinfo.dwMajorVersion < 4) ||
(vinfo.dwPlatformId == VER_PLATFORM_WIN32s)) {
Sys_Error (PROGRAM " requires at least Win95 or NT 4.0");
}
if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT)
WinNT = true;
else
WinNT = false;
}
/*
Sys_ConsoleInput
Checks for a complete line of text typed in at the console, then forwards
it to the host command processor
*/
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const char *
Sys_ConsoleInput (void)
{
static char text[256];
static int len;
int c;
// read a line out
while (kbhit ()) {
c = _getch ();
putch (c);
if (c == '\r') {
text[len] = 0;
putch ('\n');
len = 0;
return text;
}
if (c == 8) {
if (len) {
putch (' ');
putch (c);
len--;
text[len] = 0;
}
continue;
}
text[len] = c;
len++;
text[len] = 0;
if (len == sizeof (text))
len = 0;
}
return NULL;
}
char *newargv[256];
int
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main (int argc, const char **argv)
{
double newtime, time, oldtime;
fd_set fdset;
int sleep_msec, t;
struct timeval timeout;
COM_InitArgv (argc, argv);
host_parms.argc = com_argc;
host_parms.argv = com_argv;
host_parms.memsize = 8 * 1024 * 1024;
if ((t = COM_CheckParm ("-mem")) != 0 && t + 1 < com_argc)
host_parms.memsize = atoi (com_argv[t + 1]) * 1024 * 1024;
host_parms.membase = malloc (host_parms.memsize);
if (!host_parms.membase)
Sys_Error ("Insufficient memory.\n");
SV_Init ();
if (COM_CheckParm ("-nopriority")) {
Cvar_Set (sys_sleep, "0");
} else {
if (!SetPriorityClass (GetCurrentProcess (), HIGH_PRIORITY_CLASS))
SV_Printf ("SetPriorityClass() failed\n");
else
SV_Printf ("Process priority class set to HIGH\n");
}
// sys_sleep > 0 seems to cause packet loss on WinNT (why?)
if (WinNT)
Cvar_Set (sys_sleep, "0");
Sys_RegisterShutdown (Net_LogStop);
// run one frame immediately for first heartbeat
SV_Frame (0.1);
// main loop
oldtime = Sys_DoubleTime () - 0.1;
while (1) {
// Now we want to give some processing time to other applications,
// such as qw_client, running on this machine.
sleep_msec = sys_sleep->int_val;
if (sleep_msec > 0) {
if (sleep_msec > 13)
sleep_msec = 13;
Sleep (sleep_msec);
}
// select on the net socket and stdin
// the only reason we have a timeout at all is so that if the last
// connected client times out, the message would not otherwise
// be printed until the next event.
FD_ZERO (&fdset);
FD_SET (net_socket, &fdset);
timeout.tv_sec = 0;
timeout.tv_usec = 100;
if (select (net_socket + 1, &fdset, NULL, NULL, &timeout) == -1)
continue;
// find time passed since last cycle
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
oldtime = newtime;
SV_Frame (time);
}
return true;
}