diff options
Diffstat (limited to 'QW/server/sys_unix.c')
| -rw-r--r-- | QW/server/sys_unix.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/QW/server/sys_unix.c b/QW/server/sys_unix.c new file mode 100644 index 0000000..dbd9f45 --- /dev/null +++ b/QW/server/sys_unix.c @@ -0,0 +1,283 @@ +/* +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. + +*/ +#include <sys/types.h> +#include "qwsvdef.h" + +#ifdef NeXT +#include <libc.h> +#endif + +#if defined(__linux__) || defined(sun) +#include <sys/stat.h> +#include <unistd.h> +#include <sys/time.h> +#include <errno.h> +#else +#include <sys/dir.h> +#endif + +cvar_t sys_nostdout = {"sys_nostdout","0"}; +cvar_t sys_extrasleep = {"sys_extrasleep","0"}; + +qboolean stdin_ready; + +/* +=============================================================================== + + REQUIRED SYS FUNCTIONS + +=============================================================================== +*/ + +/* +============ +Sys_FileTime + +returns -1 if not present +============ +*/ +int Sys_FileTime (char *path) +{ + struct stat buf; + + if (stat (path,&buf) == -1) + return -1; + + return buf.st_mtime; +} + + +/* +============ +Sys_mkdir + +============ +*/ +void Sys_mkdir (char *path) +{ + if (mkdir (path, 0777) != -1) + return; + if (errno != EEXIST) + Sys_Error ("mkdir %s: %s",path, strerror(errno)); +} + + +/* +================ +Sys_DoubleTime +================ +*/ +double Sys_DoubleTime (void) +{ + struct timeval tp; + struct timezone tzp; + static int secbase; + + gettimeofday(&tp, &tzp); + + if (!secbase) + { + secbase = tp.tv_sec; + return tp.tv_usec/1000000.0; + } + + return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0; +} + +/* +================ +Sys_Error +================ +*/ +void Sys_Error (char *error, ...) +{ + va_list argptr; + char string[1024]; + + va_start (argptr,error); + vsprintf (string,error,argptr); + va_end (argptr); + printf ("Fatal error: %s\n",string); + + exit (1); +} + +/* +================ +Sys_Printf +================ +*/ +void Sys_Printf (char *fmt, ...) +{ + va_list argptr; + static char text[2048]; + unsigned char *p; + + va_start (argptr,fmt); + vsprintf (text,fmt,argptr); + va_end (argptr); + + if (strlen(text) > sizeof(text)) + Sys_Error("memory overwrite in Sys_Printf"); + + if (sys_nostdout.value) + return; + + for (p = (unsigned char *)text; *p; p++) { + *p &= 0x7f; + if ((*p > 128 || *p < 32) && *p != 10 && *p != 13 && *p != 9) + printf("[%02x]", *p); + else + putc(*p, stdout); + } + fflush(stdout); +} + + +/* +================ +Sys_Quit +================ +*/ +void Sys_Quit (void) +{ + exit (0); // appkit isn't running +} + +static int do_stdin = 1; + +/* +================ +Sys_ConsoleInput + +Checks for a complete line of text typed in at the console, then forwards +it to the host command processor +================ +*/ +char *Sys_ConsoleInput (void) +{ + static char text[256]; + int len; + + if (!stdin_ready || !do_stdin) + return NULL; // the select didn't say it was ready + stdin_ready = false; + + len = read (0, text, sizeof(text)); + if (len == 0) { + // end of file + do_stdin = 0; + return NULL; + } + if (len < 1) + return NULL; + text[len-1] = 0; // rip off the /n and terminate + + return text; +} + +/* +============= +Sys_Init + +Quake calls this so the system can register variables before host_hunklevel +is marked +============= +*/ +void Sys_Init (void) +{ + Cvar_RegisterVariable (&sys_nostdout); + Cvar_RegisterVariable (&sys_extrasleep); +} + +/* +============= +main +============= +*/ +void main(int argc, char *argv[]) +{ + double time, oldtime, newtime; + quakeparms_t parms; + fd_set fdset; + extern int net_socket; + struct timeval timeout; + int j; + + memset (&parms, 0, sizeof(parms)); + + COM_InitArgv (argc, argv); + parms.argc = com_argc; + parms.argv = com_argv; + + parms.memsize = 16*1024*1024; + + j = COM_CheckParm("-mem"); + if (j) + parms.memsize = (int) (Q_atof(com_argv[j+1]) * 1024 * 1024); + if ((parms.membase = malloc (parms.memsize)) == NULL) + Sys_Error("Can't allocate %ld\n", parms.memsize); + + parms.basedir = "."; + +/* + if (Sys_FileTime ("id1/pak0.pak") != -1) + else + parms.basedir = "/raid/quake/v2"; +*/ + + SV_Init (&parms); + +// run one frame immediately for first heartbeat + SV_Frame (0.1); + +// +// main loop +// + oldtime = Sys_DoubleTime () - 0.1; + while (1) + { + // 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); + if (do_stdin) + FD_SET(0, &fdset); + FD_SET(net_socket, &fdset); + timeout.tv_sec = 1; + timeout.tv_usec = 0; + if (select (net_socket+1, &fdset, NULL, NULL, &timeout) == -1) + continue; + stdin_ready = FD_ISSET(0, &fdset); + + // find time passed since last cycle + newtime = Sys_DoubleTime (); + time = newtime - oldtime; + oldtime = newtime; + + SV_Frame (time); + + // extrasleep is just a way to generate a fucked up connection on purpose + if (sys_extrasleep.value) + usleep (sys_extrasleep.value); + } +} + |