9 |
|
*/ |
10 |
|
|
11 |
|
#include "rholo.h" |
12 |
+ |
#include "random.h" |
13 |
|
#include "paths.h" |
14 |
+ |
#include <signal.h> |
15 |
|
#include <sys/types.h> |
16 |
+ |
#include <sys/stat.h> |
17 |
|
|
18 |
|
/* the following must be consistent with rholo.h */ |
19 |
|
int NVARS = NRHVARS; /* total number of variables */ |
26 |
|
|
27 |
|
int nowarn = 0; /* turn warnings off? */ |
28 |
|
|
26 |
– |
double expval = 1.; /* global exposure value */ |
27 |
– |
|
29 |
|
int ncprocs = 0; /* desired number of compute processes */ |
30 |
|
|
31 |
|
char *outdev = NULL; /* output device name */ |
32 |
|
|
33 |
+ |
int readinp = 0; /* read commands from stdin */ |
34 |
+ |
|
35 |
+ |
int force = 0; /* allow overwrite of holodeck */ |
36 |
+ |
|
37 |
|
time_t starttime; /* time we got started */ |
38 |
|
time_t endtime; /* time we should end by */ |
39 |
|
time_t reporttime; /* time for next report */ |
43 |
|
int rtargc = 1; /* rtrace command */ |
44 |
|
char *rtargv[128] = {"rtrace", NULL}; |
45 |
|
|
46 |
+ |
int orig_mode = -1; /* original file mode (-1 if unchanged) */ |
47 |
+ |
|
48 |
|
long nraysdone = 0L; /* number of rays done */ |
49 |
|
long npacksdone = 0L; /* number of packets done */ |
50 |
|
|
51 |
|
PACKET *freepacks; /* available packets */ |
52 |
|
|
53 |
+ |
char *sigerr[NSIG]; /* signal error messages */ |
54 |
+ |
|
55 |
|
extern time_t time(); |
56 |
|
|
57 |
|
|
61 |
|
{ |
62 |
|
HDGRID hdg; |
63 |
|
int i; |
55 |
– |
int force = 0; |
64 |
|
/* mark start time */ |
65 |
|
starttime = time(NULL); |
66 |
+ |
initurand(16384); /* initialize urand */ |
67 |
|
progname = argv[0]; /* get arguments */ |
68 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
69 |
|
switch (argv[i][1]) { |
73 |
|
case 'f': /* force overwrite */ |
74 |
|
force++; |
75 |
|
break; |
76 |
+ |
case 'i': /* read input from stdin */ |
77 |
+ |
readinp++; |
78 |
+ |
break; |
79 |
|
case 'n': /* compute processes */ |
80 |
|
if (i >= argc-2) |
81 |
|
goto userr; |
119 |
|
creatholo(&hdg); |
120 |
|
} else { /* else load holodeck */ |
121 |
|
loadholo(); |
122 |
< |
if (vdef(RIF)) /* load RIF if any */ |
122 |
> |
/* check settings */ |
123 |
> |
checkvalues(); |
124 |
> |
/* load RIF if any */ |
125 |
> |
if (vdef(RIF)) |
126 |
|
getradfile(vval(RIF)); |
127 |
+ |
/* set defaults */ |
128 |
+ |
setdefaults(NULL); |
129 |
|
} |
130 |
|
/* initialize */ |
131 |
|
initrholo(); |
132 |
< |
/* run */ |
132 |
> |
/* main loop */ |
133 |
|
while (rholo()) |
134 |
|
; |
135 |
|
/* done */ |
142 |
|
} |
143 |
|
|
144 |
|
|
145 |
+ |
onsig(signo) /* fatal signal */ |
146 |
+ |
int signo; |
147 |
+ |
{ |
148 |
+ |
static int gotsig = 0; |
149 |
+ |
|
150 |
+ |
if (gotsig++) /* two signals and we're gone! */ |
151 |
+ |
_exit(signo); |
152 |
+ |
|
153 |
+ |
alarm(30); /* allow 30 seconds to clean up */ |
154 |
+ |
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
155 |
+ |
eputs("signal - "); |
156 |
+ |
eputs(sigerr[signo]); |
157 |
+ |
eputs("\n"); |
158 |
+ |
quit(3); |
159 |
+ |
} |
160 |
+ |
|
161 |
+ |
|
162 |
+ |
sigdie(signo, msg) /* set fatal signal */ |
163 |
+ |
int signo; |
164 |
+ |
char *msg; |
165 |
+ |
{ |
166 |
+ |
if (signal(signo, onsig) == SIG_IGN) |
167 |
+ |
signal(signo, SIG_IGN); |
168 |
+ |
sigerr[signo] = msg; |
169 |
+ |
} |
170 |
+ |
|
171 |
+ |
|
172 |
+ |
int |
173 |
+ |
resfmode(fd, mod) /* restrict open file access mode */ |
174 |
+ |
int fd, mod; |
175 |
+ |
{ |
176 |
+ |
struct stat stbuf; |
177 |
+ |
/* get original mode */ |
178 |
+ |
if (fstat(fd, &stbuf) < 0) |
179 |
+ |
error(SYSTEM, "cannot stat open holodeck file"); |
180 |
+ |
mod &= stbuf.st_mode; /* always more restrictive */ |
181 |
+ |
if (mod == stbuf.st_mode) |
182 |
+ |
return(-1); /* already set */ |
183 |
+ |
/* else change it */ |
184 |
+ |
if (fchmod(fd, mod) < 0) { |
185 |
+ |
error(WARNING, "cannot change holodeck file access mode"); |
186 |
+ |
return(-1); |
187 |
+ |
} |
188 |
+ |
return(stbuf.st_mode); /* return original mode */ |
189 |
+ |
} |
190 |
+ |
|
191 |
+ |
|
192 |
|
initrholo() /* get our holodeck running */ |
193 |
|
{ |
194 |
|
extern int global_packet(); |
195 |
|
register int i; |
196 |
+ |
/* close holodeck on exec() */ |
197 |
+ |
fcntl(hdlist[0]->fd, F_SETFD, FD_CLOEXEC); |
198 |
|
|
199 |
|
if (outdev != NULL) /* open output device */ |
200 |
|
disp_open(outdev); |
225 |
|
if (ncprocs > 0) { |
226 |
|
i = start_rtrace(); |
227 |
|
if (i < 1) |
228 |
< |
error(USER, "cannot start rtrace process"); |
228 |
> |
error(USER, "cannot start rtrace process(es)"); |
229 |
|
if (vdef(REPORT)) { /* make first report */ |
230 |
|
printargs(rtargc, rtargv, stderr); |
231 |
|
report(0); |
250 |
|
freepacks[i].next = &freepacks[i+1]; |
251 |
|
} |
252 |
|
} |
253 |
+ |
/* set up signal handling */ |
254 |
+ |
sigdie(SIGINT, "Interrupt"); |
255 |
+ |
sigdie(SIGHUP, "Hangup"); |
256 |
+ |
sigdie(SIGTERM, "Terminate"); |
257 |
+ |
sigdie(SIGPIPE, "Broken pipe"); |
258 |
+ |
sigdie(SIGALRM, "Alarm clock"); |
259 |
+ |
#ifdef SIGXCPU |
260 |
+ |
sigdie(SIGXCPU, "CPU limit exceeded"); |
261 |
+ |
sigdie(SIGXFSZ, "File size exceeded"); |
262 |
+ |
#endif |
263 |
+ |
/* protect holodeck file */ |
264 |
+ |
orig_mode = resfmode(hdlist[0]->fd, ncprocs>0 ? 0 : 0444); |
265 |
|
return; |
266 |
|
memerr: |
267 |
|
error(SYSTEM, "out of memory in initrholo"); |
280 |
|
if (!disp_check(idle)) |
281 |
|
return(0); |
282 |
|
/* display only? */ |
283 |
< |
if (ncprocs <= 0) |
284 |
< |
return(1); |
283 |
> |
if (nprocs <= 0) |
284 |
> |
return(outdev != NULL); |
285 |
|
/* check file size */ |
286 |
|
if (maxdisk > 0 && hdfilen(hdlist[0]->fd) >= maxdisk) { |
287 |
|
error(WARNING, "file limit exceeded"); |
288 |
< |
return(0); |
288 |
> |
done_rtrace(); |
289 |
> |
idle = 1; |
290 |
> |
return(1); /* comes back */ |
291 |
|
} |
292 |
|
/* check time */ |
293 |
|
if (endtime > 0 || reporttime > 0) |
294 |
|
t = time(NULL); |
295 |
|
if (endtime > 0 && t >= endtime) { |
296 |
|
error(WARNING, "time limit exceeded"); |
297 |
< |
return(0); |
297 |
> |
done_rtrace(); |
298 |
> |
idle = 1; |
299 |
> |
return(1); /* comes back */ |
300 |
|
} |
301 |
|
if (reporttime > 0 && t >= reporttime) |
302 |
|
report(t); |
305 |
|
p = freepacks; freepacks = p->next; p->next = NULL; |
306 |
|
if (!next_packet(p)) { |
307 |
|
p->next = freepacks; freepacks = p; |
308 |
+ |
idle = 1; |
309 |
|
break; |
310 |
|
} |
311 |
|
if (pl == NULL) pl = p; |
312 |
|
else plend->next = p; |
313 |
|
plend = p; |
314 |
|
} |
315 |
< |
idle = pl == NULL && freepacks != NULL; |
233 |
< |
/* are we out of stuff to do? */ |
234 |
< |
if (idle && outdev == NULL) |
235 |
< |
return(0); |
236 |
< |
/* else process packets */ |
315 |
> |
/* process packets */ |
316 |
|
done_packets(do_packets(pl)); |
317 |
|
return(1); /* and continue */ |
318 |
|
} |
321 |
|
report(t) /* report progress so far */ |
322 |
|
time_t t; |
323 |
|
{ |
324 |
< |
if (t == 0) |
324 |
> |
static time_t seconds2go = 1000000; |
325 |
> |
|
326 |
> |
if (t == 0L) |
327 |
|
t = time(NULL); |
328 |
< |
fprintf(stderr, "%s: %ld packets (%ld rays) done after %.2f hours\n", |
329 |
< |
progname, npacksdone, nraysdone, (t-starttime)/3600.); |
330 |
< |
fflush(stderr); |
331 |
< |
if (vdef(REPORT)) |
332 |
< |
reporttime = t + (time_t)(vflt(REPORT)*60.+.5); |
328 |
> |
sprintf(errmsg, "%ld packets (%ld rays) done after %.2f hours\n", |
329 |
> |
npacksdone, nraysdone, (t-starttime)/3600.); |
330 |
> |
eputs(errmsg); |
331 |
> |
if (seconds2go == 1000000) |
332 |
> |
seconds2go = vdef(REPORT) ? (long)(vflt(REPORT)*60. + .5) : 0L; |
333 |
> |
if (seconds2go) |
334 |
> |
reporttime = t + seconds2go; |
335 |
|
} |
336 |
|
|
337 |
|
|
351 |
|
sprintf(errmsg, "ignoring all but first %s", vnam(SECTION)); |
352 |
|
error(WARNING, errmsg); |
353 |
|
} |
271 |
– |
if (sscanf(vval(SECTION), |
272 |
– |
"%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf", |
273 |
– |
&gp->orig[0], &gp->orig[1], &gp->orig[2], |
274 |
– |
&gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2], |
275 |
– |
&gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2], |
276 |
– |
&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2]) != 12) |
277 |
– |
badvalue(SECTION); |
278 |
– |
maxlen = 0.; |
279 |
– |
for (i = 0; i < 3; i++) |
280 |
– |
if ((len[i] = VLEN(gp->xv[i])) > maxlen) |
281 |
– |
maxlen = len[i]; |
282 |
– |
if (!vdef(GRID)) { |
283 |
– |
sprintf(buf, "%.4f", maxlen/8.); |
284 |
– |
vval(GRID) = savqstr(buf); |
285 |
– |
vdef(GRID)++; |
286 |
– |
} |
287 |
– |
if ((d = vflt(GRID)) <= FTINY) |
288 |
– |
badvalue(GRID); |
289 |
– |
for (i = 0; i < 3; i++) |
290 |
– |
gp->grid[i] = len[i]/d + (1.-FTINY); |
291 |
– |
if (!vdef(EXPOSURE)) { |
292 |
– |
sprintf(errmsg, "%s must be defined", vnam(EXPOSURE)); |
293 |
– |
error(USER, errmsg); |
294 |
– |
} |
295 |
– |
expval = vval(EXPOSURE)[0] == '-' || vval(EXPOSURE)[0] == '+' ? |
296 |
– |
pow(2., vflt(EXPOSURE)) : vflt(EXPOSURE); |
354 |
|
if (!vdef(OCTREE)) { |
355 |
|
if ((vval(OCTREE) = bmalloc(strlen(froot)+5)) == NULL) |
356 |
|
error(SYSTEM, "out of memory"); |
361 |
|
vval(OBSTRUCTIONS) = "T"; |
362 |
|
vdef(OBSTRUCTIONS)++; |
363 |
|
} |
364 |
+ |
if (!vdef(VDIST)) { |
365 |
+ |
vval(VDIST) = "F"; |
366 |
+ |
vdef(VDIST)++; |
367 |
+ |
} |
368 |
|
if (!vdef(OCCUPANCY)) { |
369 |
|
vval(OCCUPANCY) = "U"; |
370 |
|
vdef(OCCUPANCY)++; |
372 |
|
/* append rendering options */ |
373 |
|
if (vdef(RENDER)) |
374 |
|
rtargc += wordstring(rtargv+rtargc, vval(RENDER)); |
375 |
+ |
|
376 |
+ |
if (gp == NULL) /* already initialized? */ |
377 |
+ |
return; |
378 |
+ |
/* set grid parameters */ |
379 |
+ |
gp->grid[0] = gp->grid[1] = gp->grid[2] = 0; |
380 |
+ |
if (sscanf(vval(SECTION), |
381 |
+ |
"%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %hd %hd %hd", |
382 |
+ |
&gp->orig[0], &gp->orig[1], &gp->orig[2], |
383 |
+ |
&gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2], |
384 |
+ |
&gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2], |
385 |
+ |
&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2], |
386 |
+ |
&gp->grid[0], &gp->grid[1], &gp->grid[2]) < 12) |
387 |
+ |
badvalue(SECTION); |
388 |
+ |
maxlen = 0.; |
389 |
+ |
for (i = 0; i < 3; i++) |
390 |
+ |
if ((len[i] = VLEN(gp->xv[i])) > maxlen) |
391 |
+ |
maxlen = len[i]; |
392 |
+ |
if (!vdef(GRID)) { |
393 |
+ |
sprintf(buf, "%.4f", maxlen/8.); |
394 |
+ |
vval(GRID) = savqstr(buf); |
395 |
+ |
vdef(GRID)++; |
396 |
+ |
} |
397 |
+ |
if ((d = vflt(GRID)) <= FTINY) |
398 |
+ |
badvalue(GRID); |
399 |
+ |
for (i = 0; i < 3; i++) |
400 |
+ |
if (gp->grid[i] <= 0) |
401 |
+ |
gp->grid[i] = len[i]/d + (1.-FTINY); |
402 |
|
} |
403 |
|
|
404 |
|
|
405 |
|
creatholo(gp) /* create a holodeck output file */ |
406 |
|
HDGRID *gp; |
407 |
|
{ |
408 |
+ |
extern char VersionID[]; |
409 |
|
long endloc = 0; |
410 |
|
int fd; |
411 |
|
FILE *fp; |
416 |
|
} |
417 |
|
/* write information header */ |
418 |
|
newheader("RADIANCE", fp); |
419 |
+ |
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
420 |
|
printvars(fp); |
421 |
|
fputformat(HOLOFMT, fp); |
422 |
|
fputc('\n', fp); |
486 |
|
done_packets(pl) /* handle finished packets */ |
487 |
|
PACKET *pl; |
488 |
|
{ |
489 |
< |
static int nunflushed = 0; |
489 |
> |
static int n2flush = 0; |
490 |
|
register PACKET *p; |
491 |
|
|
492 |
|
while (pl != NULL) { |
497 |
|
p->nr*sizeof(RAYVAL)); |
498 |
|
if (outdev != NULL) /* display it */ |
499 |
|
disp_packet((PACKHEAD *)p); |
500 |
< |
else |
501 |
< |
nunflushed += p->nr; |
500 |
> |
if (hdcachesize <= 0) /* manual flushing */ |
501 |
> |
n2flush += p->nr; |
502 |
|
nraysdone += p->nr; |
503 |
|
npacksdone++; |
504 |
|
} |
506 |
|
p->next = freepacks; |
507 |
|
freepacks = p; |
508 |
|
} |
509 |
< |
if (nunflushed >= 256*RPACKSIZ) { |
509 |
> |
if (n2flush > 512*RPACKSIZ*nprocs) { |
510 |
|
hdflush(NULL); /* flush holodeck buffers */ |
511 |
< |
nunflushed = 0; |
511 |
> |
n2flush = 0; |
512 |
|
} |
513 |
|
} |
514 |
|
|
515 |
|
|
516 |
+ |
int |
517 |
+ |
done_rtrace() /* clean up and close rtrace calculation */ |
518 |
+ |
{ |
519 |
+ |
int status; |
520 |
+ |
/* already closed? */ |
521 |
+ |
if (!nprocs) |
522 |
+ |
return; |
523 |
+ |
/* report activity */ |
524 |
+ |
wputs("closing rtrace process...\n"); |
525 |
+ |
/* flush beam queue */ |
526 |
+ |
done_packets(flush_queue()); |
527 |
+ |
/* close rtrace */ |
528 |
+ |
if ((status = end_rtrace())) |
529 |
+ |
error(WARNING, "bad exit status from rtrace"); |
530 |
+ |
if (vdef(REPORT)) /* report time */ |
531 |
+ |
report(0); |
532 |
+ |
return(status); /* return status */ |
533 |
+ |
} |
534 |
+ |
|
535 |
+ |
|
536 |
+ |
new_rtrace() /* restart rtrace calculation */ |
537 |
+ |
{ |
538 |
+ |
char combuf[128]; |
539 |
+ |
|
540 |
+ |
if (nprocs > 0) /* already running? */ |
541 |
+ |
return; |
542 |
+ |
wputs("restarting rtrace process...\n"); |
543 |
+ |
if (vdef(RIF)) { /* rerun rad to update octree */ |
544 |
+ |
sprintf(combuf, "rad -v 0 -s -w %s", vval(RIF)); |
545 |
+ |
if (system(combuf)) |
546 |
+ |
error(WARNING, "error running rad"); |
547 |
+ |
} |
548 |
+ |
if (start_rtrace() < 1) /* start rtrace */ |
549 |
+ |
error(WARNING, "cannot restart rtrace"); |
550 |
+ |
else if (vdef(REPORT)) |
551 |
+ |
report(0); |
552 |
+ |
} |
553 |
+ |
|
554 |
+ |
|
555 |
|
getradfile(rfargs) /* run rad and get needed variables */ |
556 |
|
char *rfargs; |
557 |
|
{ |
558 |
< |
static short mvar[] = {OCTREE,EXPOSURE,-1}; |
558 |
> |
static short mvar[] = {OCTREE,-1}; |
559 |
|
static char tf1[] = TEMPLATE; |
560 |
|
char tf2[64]; |
561 |
|
char combuf[256]; |
585 |
|
else |
586 |
|
sprintf(cp, ")[ \t]*=' > %s", tf2); |
587 |
|
if (system(combuf)) { |
459 |
– |
error(SYSTEM, "cannot execute rad command"); |
588 |
|
unlink(tf2); /* clean up */ |
589 |
|
unlink(tf1); |
590 |
< |
quit(1); |
590 |
> |
error(SYSTEM, "cannot execute rad command"); |
591 |
|
} |
592 |
|
if (pippt == NULL) { |
593 |
|
loadvars(tf2); /* load variables */ |
653 |
|
{ |
654 |
|
int status = 0; |
655 |
|
|
528 |
– |
if (outdev != NULL) /* close display */ |
529 |
– |
disp_close(); |
656 |
|
if (hdlist[0] != NULL) { /* flush holodeck */ |
657 |
< |
if (ncprocs > 0) { |
658 |
< |
done_packets(flush_queue()); |
659 |
< |
status = end_rtrace(); /* close rtrace */ |
660 |
< |
hdflush(NULL); |
661 |
< |
if (vdef(REPORT)) { |
662 |
< |
long fsiz, fuse; |
663 |
< |
report(0); |
664 |
< |
fsiz = hdfilen(hdlist[0]->fd); |
539 |
< |
fuse = hdfiluse(hdlist[0]->fd, 1); |
540 |
< |
fprintf(stderr, |
657 |
> |
if (nprocs > 0) |
658 |
> |
status = done_rtrace(); |
659 |
> |
hdflush(NULL); |
660 |
> |
if (ncprocs > 0 && vdef(REPORT)) { |
661 |
> |
long fsiz, fuse; |
662 |
> |
fsiz = hdfilen(hdlist[0]->fd); |
663 |
> |
fuse = hdfiluse(hdlist[0]->fd, 1); |
664 |
> |
fprintf(stderr, |
665 |
|
"%s: %.1f Mbyte holodeck file, %.1f%% fragmentation\n", |
666 |
< |
hdkfile, fsiz/(1024.*1024.), |
667 |
< |
100.*(fsiz-fuse)/fsiz); |
668 |
< |
} |
545 |
< |
} else |
546 |
< |
hdflush(NULL); |
666 |
> |
hdkfile, fsiz/(1024.*1024.), |
667 |
> |
100.*(fsiz-fuse)/fsiz); |
668 |
> |
} |
669 |
|
} |
670 |
+ |
if (orig_mode >= 0) /* reset holodeck access mode */ |
671 |
+ |
fchmod(hdlist[0]->fd, orig_mode); |
672 |
+ |
if (outdev != NULL) /* close display */ |
673 |
+ |
disp_close(); |
674 |
|
exit(ec ? ec : status); /* exit */ |
675 |
|
} |