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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ SGI"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* Radiance holodeck generation controller |
6 |
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*/ |
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#include "rholo.h" |
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#include "random.h" |
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#include <signal.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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|
13 |
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#ifndef FRAGWARN |
14 |
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#define FRAGWARN 20 /* fragmentation for warning (%) */ |
15 |
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#endif |
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#ifndef MAXQTIME |
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#define MAXQTIME 5 /* target maximum seconds in queue */ |
18 |
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#endif |
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/* manual cache flushing frequency */ |
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#ifndef RTFLUSH |
21 |
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#if MAXQTIME |
22 |
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#define RTFLUSH (300/MAXQTIME*totqlen) /* <= 5 minutes */ |
23 |
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#else |
24 |
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#define RTFLUSH (50*totqlen) /* just guess */ |
25 |
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#endif |
26 |
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#endif |
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/* the following must be consistent with rholo.h */ |
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int NVARS = NRHVARS; /* total number of variables */ |
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|
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char *hdkfile; /* holodeck file name */ |
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char froot[256]; /* root file name */ |
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|
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int nowarn = 0; /* turn warnings off? */ |
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|
36 |
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int ncprocs = 0; /* desired number of compute processes */ |
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|
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char *outdev = NULL; /* output device name */ |
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|
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int readinp = 0; /* read commands from stdin */ |
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|
42 |
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int force = 0; /* allow overwrite of holodeck */ |
42 |
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int force = 0; /* allow overwrite of holodeck (-1 == read-only) */ |
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|
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time_t starttime; /* time we got started */ |
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time_t endtime; /* time we should end by */ |
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long npacksdone = 0L; /* number of packets done */ |
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|
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PACKET *freepacks; /* available packets */ |
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int avgqlen; /* average queue length when full */ |
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int totqlen; /* maximum queue length (number of packets) */ |
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|
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char *sigerr[NSIG]; /* signal error messages */ |
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|
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extern int nowarn; /* turn warnings off? */ |
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|
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extern time_t time(); |
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|
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|
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nowarn++; |
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break; |
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case 'f': /* force overwrite */ |
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force++; |
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force = 1; |
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break; |
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case 'r': /* read-only mode */ |
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force = -1; |
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break; |
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case 'i': /* read input from stdin */ |
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readinp++; |
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break; |
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} |
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/* check settings */ |
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checkvalues(); |
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/* load RIF if rtrace */ |
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if (ncprocs) |
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getradfile(); |
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/* load rad input file */ |
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getradfile(); |
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|
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if (hdlist[0] == NULL) { /* create new holodeck */ |
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HDGRID hdg[HDMAX]; |
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/* set defaults */ |
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setdefaults(hdg); |
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/* check read-only */ |
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if (force < 0) |
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error(USER, "cannot create read-only holodeck"); |
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/* holodeck exists? */ |
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if (!force && access(hdkfile, R_OK|W_OK) == 0) |
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error(USER, |
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quit(0); |
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userr: |
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fprintf(stderr, |
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"Usage: %s [-n nprocs][-o disp][-w][-f] output.hdk [control.hif|+|- [VAR=val ..]]\n", |
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"Usage: %s [-n nprocs][-o disp][-w][-r|-f] output.hdk [control.hif|+|- [VAR=val ..]]\n", |
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progname); |
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quit(1); |
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} |
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{ |
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static int gotsig = 0; |
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|
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if (gotsig++) /* two signals and we're gone! */ |
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if (gotsig > 1) /* we're going as fast as we can! */ |
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return; |
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if (gotsig++) { /* two signals and we split */ |
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hdsync(NULL, 0); /* don't leave w/o saying goodbye */ |
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_exit(signo); |
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alarm(60); /* allow 60 seconds to clean up */ |
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signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
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} |
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alarm(300); /* allow 5 minutes to clean up */ |
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eputs("signal - "); |
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eputs(sigerr[signo]); |
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eputs("\n"); |
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init_global(); |
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/* record disk space limit */ |
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if (!vdef(DISKSPACE)) |
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maxdisk = 0; |
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maxdisk = (1L<<(sizeof(long)*8-2)) - 1024; |
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else |
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maxdisk = 1024.*1024.*vflt(DISKSPACE); |
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/* set up memory cache */ |
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if (outdev == NULL) |
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hdcachesize = 0; /* manual flushing */ |
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hdcachesize = 0; /* manual flushing */ |
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else if (vdef(CACHE)) |
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hdcachesize = 1024.*1024.*vflt(CACHE); |
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/* open report file */ |
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endtime = starttime + vflt(TIME)*3600. + .5; |
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/* start rtrace */ |
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if (ncprocs > 0) { |
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i = start_rtrace(); |
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totqlen = i = start_rtrace(); |
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if (i < 1) |
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error(USER, "cannot start rtrace process(es)"); |
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if (vdef(REPORT)) { /* make first report */ |
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freepacks = (PACKET *)bmalloc(i*sizeof(PACKET)); |
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if (freepacks == NULL) |
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goto memerr; |
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if (!(avgqlen = i/nprocs)) /* record mean queue length */ |
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avgqlen = 1; |
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freepacks[--i].nr = 0; |
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freepacks[i].next = NULL; |
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if (!vdef(OBSTRUCTIONS) || !vbool(OBSTRUCTIONS)) { |
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sigdie(SIGXCPU, "CPU limit exceeded"); |
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sigdie(SIGXFSZ, "File size exceeded"); |
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#endif |
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/* protect holodeck file */ |
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orig_mode = resfmode(hdlist[0]->fd, ncprocs>0 ? 0 : 0444); |
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/* protect holodeck file */ |
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orig_mode = resfmode(hdlist[0]->fd, ncprocs>0&force>=0 ? 0 : 0444); |
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return; |
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memerr: |
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error(SYSTEM, "out of memory in initrholo"); |
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|
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rholo() /* holodeck main loop */ |
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{ |
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static long nextfragwarn = 100*(1L<<20); |
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static int idle = 0; |
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PACKET *pl = NULL, *plend; |
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long fsiz; |
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int pksiz; |
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register PACKET *p; |
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time_t t; |
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return(1); |
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} else if (idle) |
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return(0); /* all done */ |
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/* check file size */ |
305 |
< |
if (maxdisk > 0 && hdfilen(hdlist[0]->fd) >= maxdisk) { |
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> |
fsiz = hdfilen(hdlist[0]->fd); /* check file size */ |
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> |
if (maxdisk > 0 && fsiz >= maxdisk) { |
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error(WARNING, "file limit exceeded"); |
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done_rtrace(); |
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return(1); /* comes back */ |
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} |
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#if FRAGWARN |
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if (fsiz >= nextfragwarn && |
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(fsiz-hdfiluse(hdlist[0]->fd,0))/(fsiz/100) > FRAGWARN) { |
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sprintf(errmsg, "holodeck file fragmentation is %.0f%%", |
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100.*(fsiz-hdfiluse(hdlist[0]->fd,1))/fsiz); |
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error(WARNING, errmsg); |
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nextfragwarn = fsiz + (fsiz>>2); /* decent interval */ |
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} |
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#endif |
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t = time(NULL); /* check time */ |
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if (endtime > 0 && t >= endtime) { |
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error(WARNING, "time limit exceeded"); |
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if (reporttime > 0 && t >= reporttime) |
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report(t); |
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/* figure out good packet size */ |
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pksiz = RPACKSIZ; |
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#if MAXQTIME |
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< |
pksiz = nraysdone*MAXQTIME/(avgqlen*(t - starttime + 1L)); |
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if (pksiz < 1) |
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pksiz = 1; |
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else if (pksiz > RPACKSIZ) |
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if (!chunkycmp) { |
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pksiz = nraysdone*MAXQTIME/(totqlen*(t - starttime + 1L)); |
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if (pksiz < 1) pksiz = 1; |
333 |
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else if (pksiz > RPACKSIZ) pksiz = RPACKSIZ; |
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} |
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#endif |
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pksiz = RPACKSIZ; |
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idle = 0; /* get packets to process */ |
337 |
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while (freepacks != NULL) { |
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p = freepacks; freepacks = p->next; p->next = NULL; |
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extern char *atos(); |
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register int i; |
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int n; |
360 |
< |
double len[3], maxlen, d; |
360 |
> |
double len[3], d; |
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char buf[64]; |
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|
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if (!vdef(SECTION)) { |
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&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2], |
392 |
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&gp->grid[0], &gp->grid[1], &gp->grid[2]) < 12) |
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badvalue(SECTION); |
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maxlen = 0.; |
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for (i = 0; i < 3; i++) |
395 |
< |
if ((len[i] = VLEN(gp->xv[i])) > maxlen) |
396 |
< |
maxlen = len[i]; |
397 |
< |
if (!vdef(GRID)) |
398 |
< |
d = 0.125*maxlen; |
399 |
< |
else if ((d = vflt(GRID)) <= FTINY) |
395 |
> |
len[i] = VLEN(gp->xv[i]); |
396 |
> |
if (!vdef(GRID)) { |
397 |
> |
d = 2/2e5*( len[0]*len[0]*(len[1]*len[1] + |
398 |
> |
len[2]*len[2] + 4*len[1]*len[2]) |
399 |
> |
+ len[1]*len[1]*len[2]*(len[2] + 4*len[0]) |
400 |
> |
+ 4*len[0]*len[1]*len[2]*len[2] ); |
401 |
> |
d = sqrt(sqrt(d)); |
402 |
> |
} else if ((d = vflt(GRID)) <= FTINY) |
403 |
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badvalue(GRID); |
404 |
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for (i = 0; i < 3; i++) |
405 |
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if (gp->grid[i] <= 0) |
430 |
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putw(HOLOMAGIC, fp); /* put magic number */ |
431 |
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fd = dup(fileno(fp)); |
432 |
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fclose(fp); /* flush and close stdio stream */ |
433 |
< |
lastloc = lseek(fd, 0L, 2); |
433 |
> |
lastloc = lseek(fd, (off_t)0L, 2); |
434 |
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for (n = vdef(SECTION); n--; gp++) { /* initialize each section */ |
435 |
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nextloc = 0L; |
436 |
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write(fd, (char *)&nextloc, sizeof(nextloc)); |
438 |
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if (!n) |
439 |
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break; |
440 |
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nextloc = hdfilen(fd); /* write section pointer */ |
441 |
< |
if (lseek(fd, (long)lastloc, 0) < 0) |
441 |
> |
if (lseek(fd, (off_t)lastloc, 0) < 0) |
442 |
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error(SYSTEM, |
443 |
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"cannot seek on holodeck file in creatholo"); |
444 |
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write(fd, (char *)&nextloc, sizeof(nextloc)); |
445 |
< |
lseek(fd, (long)(lastloc=nextloc), 0); |
445 |
> |
lseek(fd, (off_t)(lastloc=nextloc), 0); |
446 |
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} |
447 |
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} |
448 |
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|
449 |
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|
450 |
+ |
int |
451 |
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headline(s) /* process information header line */ |
452 |
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char *s; |
453 |
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{ |
461 |
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HOLOFMT, hdkfile, FMTSTR, fmt); |
462 |
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error(USER, errmsg); |
463 |
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} |
464 |
< |
return; |
464 |
> |
return(0); |
465 |
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} |
466 |
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for (cp = s; *cp; cp++) /* take off any comments */ |
467 |
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if (*cp == '#') { |
469 |
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break; |
470 |
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} |
471 |
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setvariable(s, matchvar); /* don't flag errors */ |
472 |
+ |
return(0); |
473 |
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} |
474 |
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|
475 |
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|
480 |
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int fd; |
481 |
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int n; |
482 |
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int4 nextloc; |
483 |
< |
/* open holodeck file */ |
484 |
< |
if ((fp = fopen(hdkfile, ncprocs>0 ? "r+" : "r")) == NULL) { |
485 |
< |
sprintf(errmsg, "cannot open \"%s\" for %s", hdkfile, |
486 |
< |
ncprocs>0 ? "appending" : "reading"); |
487 |
< |
error(SYSTEM, errmsg); |
483 |
> |
|
484 |
> |
if (ncprocs > 0 & force >= 0) |
485 |
> |
fp = fopen(hdkfile, "r+"); |
486 |
> |
else |
487 |
> |
fp = NULL; |
488 |
> |
if (fp == NULL) { |
489 |
> |
if ((fp = fopen(hdkfile, "r")) == NULL) { |
490 |
> |
sprintf(errmsg, "cannot open \"%s\"", hdkfile); |
491 |
> |
error(SYSTEM, errmsg); |
492 |
> |
} |
493 |
> |
if (ncprocs > 0) { |
494 |
> |
sprintf(errmsg, |
495 |
> |
"\"%s\" opened read-only; new rays will be discarded", |
496 |
> |
hdkfile); |
497 |
> |
error(WARNING, errmsg); |
498 |
> |
force = -1; |
499 |
> |
} |
500 |
|
} |
501 |
|
/* load variables from header */ |
502 |
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getheader(fp, headline, NULL); |
510 |
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fd = dup(fileno(fp)); |
511 |
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fclose(fp); /* done with stdio */ |
512 |
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for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
513 |
< |
lseek(fd, (long)nextloc, 0); |
513 |
> |
lseek(fd, (off_t)nextloc, 0); |
514 |
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read(fd, (char *)&nextloc, sizeof(nextloc)); |
515 |
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hdinit(fd, NULL); |
516 |
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} |
531 |
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while (pl != NULL) { |
532 |
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p = pl; pl = p->next; p->next = NULL; |
533 |
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if (p->nr > 0) { /* add to holodeck */ |
534 |
< |
bcopy((char *)p->ra, |
535 |
< |
(char *)hdnewrays(hdlist[p->hd],p->bi,p->nr), |
534 |
> |
bcopy((void *)p->ra, |
535 |
> |
(void *)hdnewrays(hdlist[p->hd],p->bi,p->nr), |
536 |
|
p->nr*sizeof(RAYVAL)); |
537 |
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if (outdev != NULL) /* display it */ |
538 |
|
disp_packet((PACKHEAD *)p); |
539 |
< |
if (hdcachesize <= 0) /* manual flushing */ |
539 |
> |
if (hdcachesize <= 0) |
540 |
|
n2flush++; |
541 |
|
nraysdone += p->nr; |
542 |
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npacksdone++; |
545 |
|
p->next = freepacks; /* push onto free list */ |
546 |
|
freepacks = p; |
547 |
|
} |
548 |
< |
if (n2flush > 300/MAXQTIME*avgqlen*nprocs) { |
549 |
< |
hdflush(NULL); /* flush holodeck buffers */ |
548 |
> |
if (n2flush >= RTFLUSH) { |
549 |
> |
if (outdev != NULL) |
550 |
> |
hdsync(NULL, 1); |
551 |
> |
else |
552 |
> |
hdflush(NULL); |
553 |
|
n2flush = 0; |
554 |
|
} |
555 |
|
} |
578 |
|
} |
579 |
|
|
580 |
|
|
581 |
+ |
void |
582 |
|
eputs(s) /* put error message to stderr */ |
583 |
|
register char *s; |
584 |
|
{ |
598 |
|
} |
599 |
|
|
600 |
|
|
601 |
< |
wputs(s) /* put warning string to stderr */ |
558 |
< |
char *s; |
559 |
< |
{ |
560 |
< |
if (!nowarn) |
561 |
< |
eputs(s); |
562 |
< |
} |
563 |
< |
|
564 |
< |
|
601 |
> |
void |
602 |
|
quit(ec) /* exit program gracefully */ |
603 |
|
int ec; |
604 |
|
{ |
607 |
|
if (hdlist[0] != NULL) { /* close holodeck */ |
608 |
|
if (nprocs > 0) |
609 |
|
status = done_rtrace(); /* calls hdsync() */ |
610 |
< |
if (ncprocs > 0 && vdef(REPORT)) { |
610 |
> |
if (ncprocs > 0 & force >= 0 && vdef(REPORT)) { |
611 |
|
long fsiz, fuse; |
612 |
|
fsiz = hdfilen(hdlist[0]->fd); |
613 |
|
fuse = hdfiluse(hdlist[0]->fd, 1); |