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 */ |
34 |
|
time_t endtime; /* time we should end by */ |
35 |
|
time_t reporttime; /* time for next report */ |
36 |
|
|
37 |
+ |
long maxdisk; /* maximum file space (bytes) */ |
38 |
+ |
|
39 |
|
int rtargc = 1; /* rtrace command */ |
40 |
|
char *rtargv[128] = {"rtrace", NULL}; |
41 |
|
|
42 |
+ |
int orig_mode = -1; /* original file mode (-1 if unchanged) */ |
43 |
+ |
|
44 |
|
long nraysdone = 0L; /* number of rays done */ |
45 |
|
long npacksdone = 0L; /* number of packets done */ |
46 |
|
|
47 |
|
PACKET *freepacks; /* available packets */ |
48 |
|
|
49 |
+ |
char *sigerr[NSIG]; /* signal error messages */ |
50 |
+ |
|
51 |
|
extern time_t time(); |
52 |
|
|
53 |
|
|
60 |
|
int force = 0; |
61 |
|
/* mark start time */ |
62 |
|
starttime = time(NULL); |
63 |
+ |
initurand(10240); /* initialize urand */ |
64 |
|
progname = argv[0]; /* get arguments */ |
65 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
66 |
|
switch (argv[i][1]) { |
113 |
|
creatholo(&hdg); |
114 |
|
} else { /* else load holodeck */ |
115 |
|
loadholo(); |
116 |
< |
if (vdef(RIF)) /* load RIF if any */ |
116 |
> |
/* check settings */ |
117 |
> |
checkvalues(); |
118 |
> |
/* load RIF if any */ |
119 |
> |
if (vdef(RIF)) |
120 |
|
getradfile(vval(RIF)); |
121 |
+ |
/* set defaults */ |
122 |
+ |
setdefaults(NULL); |
123 |
|
} |
124 |
|
/* initialize */ |
125 |
|
initrholo(); |
126 |
< |
/* run */ |
126 |
> |
/* main loop */ |
127 |
|
while (rholo()) |
128 |
|
; |
129 |
|
/* done */ |
136 |
|
} |
137 |
|
|
138 |
|
|
139 |
+ |
onsig(signo) /* fatal signal */ |
140 |
+ |
int signo; |
141 |
+ |
{ |
142 |
+ |
static int gotsig = 0; |
143 |
+ |
|
144 |
+ |
if (gotsig++) /* two signals and we're gone! */ |
145 |
+ |
_exit(signo); |
146 |
+ |
|
147 |
+ |
alarm(30); /* allow 30 seconds to clean up */ |
148 |
+ |
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
149 |
+ |
eputs("signal - "); |
150 |
+ |
eputs(sigerr[signo]); |
151 |
+ |
eputs("\n"); |
152 |
+ |
quit(3); |
153 |
+ |
} |
154 |
+ |
|
155 |
+ |
|
156 |
+ |
sigdie(signo, msg) /* set fatal signal */ |
157 |
+ |
int signo; |
158 |
+ |
char *msg; |
159 |
+ |
{ |
160 |
+ |
if (signal(signo, onsig) == SIG_IGN) |
161 |
+ |
signal(signo, SIG_IGN); |
162 |
+ |
sigerr[signo] = msg; |
163 |
+ |
} |
164 |
+ |
|
165 |
+ |
|
166 |
+ |
int |
167 |
+ |
resfmode(fd, mod) /* restrict open file access mode */ |
168 |
+ |
int fd, mod; |
169 |
+ |
{ |
170 |
+ |
struct stat stbuf; |
171 |
+ |
/* get original mode */ |
172 |
+ |
if (fstat(fd, &stbuf) < 0) |
173 |
+ |
error(SYSTEM, "cannot stat open holodeck file"); |
174 |
+ |
mod &= stbuf.st_mode; /* always more restrictive */ |
175 |
+ |
if (mod == stbuf.st_mode) |
176 |
+ |
return(-1); /* already set */ |
177 |
+ |
/* else change it */ |
178 |
+ |
if (fchmod(fd, mod) < 0) { |
179 |
+ |
error(WARNING, "cannot change holodeck file access mode"); |
180 |
+ |
return(-1); |
181 |
+ |
} |
182 |
+ |
return(stbuf.st_mode); /* return original mode */ |
183 |
+ |
} |
184 |
+ |
|
185 |
+ |
|
186 |
|
initrholo() /* get our holodeck running */ |
187 |
|
{ |
188 |
|
extern int global_packet(); |
192 |
|
disp_open(outdev); |
193 |
|
else if (ncprocs > 0) /* else use global ray feed */ |
194 |
|
init_global(); |
195 |
+ |
/* record disk space limit */ |
196 |
+ |
if (!vdef(DISKSPACE)) |
197 |
+ |
maxdisk = 0; |
198 |
+ |
else |
199 |
+ |
maxdisk = 1024.*1024.*vflt(DISKSPACE); |
200 |
|
/* record end time */ |
201 |
|
if (!vdef(TIME) || vflt(TIME) <= FTINY) |
202 |
|
endtime = 0; |
242 |
|
freepacks[i].next = &freepacks[i+1]; |
243 |
|
} |
244 |
|
} |
245 |
+ |
/* set up signal handling */ |
246 |
+ |
sigdie(SIGINT, "Interrupt"); |
247 |
+ |
sigdie(SIGHUP, "Hangup"); |
248 |
+ |
sigdie(SIGTERM, "Terminate"); |
249 |
+ |
sigdie(SIGPIPE, "Broken pipe"); |
250 |
+ |
sigdie(SIGALRM, "Alarm clock"); |
251 |
+ |
#ifdef SIGXCPU |
252 |
+ |
sigdie(SIGXCPU, "CPU limit exceeded"); |
253 |
+ |
sigdie(SIGXFSZ, "File size exceeded"); |
254 |
+ |
#endif |
255 |
+ |
/* protect holodeck file */ |
256 |
+ |
orig_mode = resfmode(hdlist[0]->fd, ncprocs>0 ? 0 : 0444); |
257 |
|
return; |
258 |
|
memerr: |
259 |
|
error(SYSTEM, "out of memory in initrholo"); |
275 |
|
if (ncprocs <= 0) |
276 |
|
return(1); |
277 |
|
/* check file size */ |
278 |
< |
if ((l = 1024.*1024.*vflt(DISKSPACE)) > 0 && |
279 |
< |
hdfiluse(hdlist[0]->fd, 0) + hdmemuse(0) >= l) |
278 |
> |
if (maxdisk > 0 && hdfilen(hdlist[0]->fd) >= maxdisk) { |
279 |
> |
error(WARNING, "file limit exceeded"); |
280 |
|
return(0); |
281 |
+ |
} |
282 |
|
/* check time */ |
283 |
|
if (endtime > 0 || reporttime > 0) |
284 |
|
t = time(NULL); |
285 |
< |
if (endtime > 0 && t >= endtime) |
285 |
> |
if (endtime > 0 && t >= endtime) { |
286 |
> |
error(WARNING, "time limit exceeded"); |
287 |
|
return(0); |
288 |
+ |
} |
289 |
|
if (reporttime > 0 && t >= reporttime) |
290 |
|
report(t); |
291 |
|
/* get packets to process */ |
338 |
|
sprintf(errmsg, "ignoring all but first %s", vnam(SECTION)); |
339 |
|
error(WARNING, errmsg); |
340 |
|
} |
261 |
– |
if (sscanf(vval(SECTION), |
262 |
– |
"%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf", |
263 |
– |
&gp->orig[0], &gp->orig[1], &gp->orig[2], |
264 |
– |
&gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2], |
265 |
– |
&gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2], |
266 |
– |
&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2]) != 12) |
267 |
– |
badvalue(SECTION); |
268 |
– |
maxlen = 0.; |
269 |
– |
for (i = 0; i < 3; i++) |
270 |
– |
if ((len[i] = VLEN(gp->xv[i])) > maxlen) |
271 |
– |
maxlen = len[i]; |
272 |
– |
if (!vdef(GRID)) { |
273 |
– |
sprintf(buf, "%.4f", maxlen/8.); |
274 |
– |
vval(GRID) = savqstr(buf); |
275 |
– |
vdef(GRID)++; |
276 |
– |
} |
277 |
– |
if ((d = vflt(GRID)) <= FTINY) |
278 |
– |
badvalue(GRID); |
279 |
– |
for (i = 0; i < 3; i++) |
280 |
– |
gp->grid[i] = len[i]/d + (1.-FTINY); |
281 |
– |
if (!vdef(EXPOSURE)) { |
282 |
– |
sprintf(errmsg, "%s must be defined", vnam(EXPOSURE)); |
283 |
– |
error(USER, errmsg); |
284 |
– |
} |
285 |
– |
expval = vval(EXPOSURE)[0] == '-' || vval(EXPOSURE)[0] == '+' ? |
286 |
– |
pow(2., vflt(EXPOSURE)) : vflt(EXPOSURE); |
341 |
|
if (!vdef(OCTREE)) { |
342 |
|
if ((vval(OCTREE) = bmalloc(strlen(froot)+5)) == NULL) |
343 |
|
error(SYSTEM, "out of memory"); |
344 |
|
sprintf(vval(OCTREE), "%s.oct", froot); |
345 |
|
vdef(OCTREE)++; |
346 |
|
} |
293 |
– |
if (!vdef(DISKSPACE)) { |
294 |
– |
sprintf(errmsg, |
295 |
– |
"no %s setting, assuming 100 Mbytes available", |
296 |
– |
vnam(DISKSPACE)); |
297 |
– |
error(WARNING, errmsg); |
298 |
– |
vval(DISKSPACE) = "100"; |
299 |
– |
vdef(DISKSPACE)++; |
300 |
– |
} |
347 |
|
if (!vdef(OBSTRUCTIONS)) { |
348 |
|
vval(OBSTRUCTIONS) = "T"; |
349 |
|
vdef(OBSTRUCTIONS)++; |
350 |
|
} |
351 |
+ |
if (!vdef(VDIST)) { |
352 |
+ |
vval(VDIST) = "F"; |
353 |
+ |
vdef(VDIST)++; |
354 |
+ |
} |
355 |
|
if (!vdef(OCCUPANCY)) { |
356 |
|
vval(OCCUPANCY) = "U"; |
357 |
|
vdef(OCCUPANCY)++; |
359 |
|
/* append rendering options */ |
360 |
|
if (vdef(RENDER)) |
361 |
|
rtargc += wordstring(rtargv+rtargc, vval(RENDER)); |
362 |
+ |
|
363 |
+ |
if (gp == NULL) /* already initialized? */ |
364 |
+ |
return; |
365 |
+ |
/* set grid parameters */ |
366 |
+ |
gp->grid[0] = gp->grid[1] = gp->grid[2] = 0; |
367 |
+ |
if (sscanf(vval(SECTION), |
368 |
+ |
"%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %hd %hd %hd", |
369 |
+ |
&gp->orig[0], &gp->orig[1], &gp->orig[2], |
370 |
+ |
&gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2], |
371 |
+ |
&gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2], |
372 |
+ |
&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2], |
373 |
+ |
&gp->grid[0], &gp->grid[1], &gp->grid[2]) < 12) |
374 |
+ |
badvalue(SECTION); |
375 |
+ |
maxlen = 0.; |
376 |
+ |
for (i = 0; i < 3; i++) |
377 |
+ |
if ((len[i] = VLEN(gp->xv[i])) > maxlen) |
378 |
+ |
maxlen = len[i]; |
379 |
+ |
if (!vdef(GRID)) { |
380 |
+ |
sprintf(buf, "%.4f", maxlen/8.); |
381 |
+ |
vval(GRID) = savqstr(buf); |
382 |
+ |
vdef(GRID)++; |
383 |
+ |
} |
384 |
+ |
if ((d = vflt(GRID)) <= FTINY) |
385 |
+ |
badvalue(GRID); |
386 |
+ |
for (i = 0; i < 3; i++) |
387 |
+ |
if (gp->grid[i] <= 0) |
388 |
+ |
gp->grid[i] = len[i]/d + (1.-FTINY); |
389 |
|
} |
390 |
|
|
391 |
|
|
392 |
|
creatholo(gp) /* create a holodeck output file */ |
393 |
|
HDGRID *gp; |
394 |
|
{ |
395 |
+ |
extern char VersionID[]; |
396 |
|
long endloc = 0; |
397 |
+ |
int fd; |
398 |
|
FILE *fp; |
399 |
|
/* open & truncate file */ |
400 |
|
if ((fp = fopen(hdkfile, "w+")) == NULL) { |
403 |
|
} |
404 |
|
/* write information header */ |
405 |
|
newheader("RADIANCE", fp); |
406 |
+ |
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
407 |
|
printvars(fp); |
408 |
|
fputformat(HOLOFMT, fp); |
409 |
|
fputc('\n', fp); |
410 |
|
putw(HOLOMAGIC, fp); /* put magic number & terminus */ |
411 |
|
fwrite(&endloc, sizeof(long), 1, fp); |
412 |
< |
fflush(fp); /* flush buffer */ |
413 |
< |
hdinit(fileno(fp), gp); /* allocate and initialize index */ |
414 |
< |
/* we're dropping fp here.... */ |
412 |
> |
fd = dup(fileno(fp)); |
413 |
> |
fclose(fp); /* flush and close stdio stream */ |
414 |
> |
hdinit(fd, gp); /* allocate and initialize index */ |
415 |
|
} |
416 |
|
|
417 |
|
|
441 |
|
|
442 |
|
loadholo() /* start loading a holodeck from fname */ |
443 |
|
{ |
444 |
+ |
extern long ftell(); |
445 |
|
FILE *fp; |
446 |
< |
long endloc; |
446 |
> |
int fd; |
447 |
> |
long fpos; |
448 |
|
/* open holodeck file */ |
449 |
|
if ((fp = fopen(hdkfile, ncprocs>0 ? "r+" : "r")) == NULL) { |
450 |
|
sprintf(errmsg, "cannot open \"%s\" for %s", hdkfile, |
459 |
|
hdkfile); |
460 |
|
error(USER, errmsg); |
461 |
|
} |
462 |
< |
fread(&endloc, sizeof(long), 1, fp); |
463 |
< |
if (endloc != 0) |
462 |
> |
fread(&fpos, sizeof(long), 1, fp); |
463 |
> |
if (fpos != 0) |
464 |
|
error(WARNING, "ignoring multiple sections in holodeck file"); |
465 |
< |
fseek(fp, 0L, 1); /* align system file pointer */ |
466 |
< |
hdinit(fileno(fp), NULL); /* allocate and load index */ |
467 |
< |
/* we're dropping fp here.... */ |
465 |
> |
fpos = ftell(fp); /* get stdio position */ |
466 |
> |
fd = dup(fileno(fp)); |
467 |
> |
fclose(fp); /* done with stdio */ |
468 |
> |
lseek(fd, fpos, 0); /* align system file pointer */ |
469 |
> |
hdinit(fd, NULL); /* allocate and load index */ |
470 |
|
} |
471 |
|
|
472 |
|
|
473 |
|
done_packets(pl) /* handle finished packets */ |
474 |
|
PACKET *pl; |
475 |
|
{ |
476 |
< |
static int nunflushed = 0; |
476 |
> |
static int n2flush = 0; |
477 |
|
register PACKET *p; |
478 |
|
|
479 |
|
while (pl != NULL) { |
483 |
|
(char *)hdnewrays(hdlist[p->hd],p->bi,p->nr), |
484 |
|
p->nr*sizeof(RAYVAL)); |
485 |
|
if (outdev != NULL) /* display it */ |
486 |
< |
disp_packet(p); |
487 |
< |
else |
488 |
< |
nunflushed += p->nr; |
486 |
> |
disp_packet((PACKHEAD *)p); |
487 |
> |
if (hdcachesize <= 0) /* manual flushing */ |
488 |
> |
n2flush += p->nr; |
489 |
|
nraysdone += p->nr; |
490 |
|
npacksdone++; |
491 |
|
} |
493 |
|
p->next = freepacks; |
494 |
|
freepacks = p; |
495 |
|
} |
496 |
< |
if (nunflushed >= 256*RPACKSIZ) { |
496 |
> |
if (n2flush > 512*RPACKSIZ*ncprocs) { |
497 |
|
hdflush(NULL); /* flush holodeck buffers */ |
498 |
< |
nunflushed = 0; |
498 |
> |
n2flush = 0; |
499 |
|
} |
500 |
|
} |
501 |
|
|
503 |
|
getradfile(rfargs) /* run rad and get needed variables */ |
504 |
|
char *rfargs; |
505 |
|
{ |
506 |
< |
static short mvar[] = {VIEW,OCTREE,EXPOSURE,-1}; |
506 |
> |
static short mvar[] = {OCTREE,-1}; |
507 |
|
static char tf1[] = TEMPLATE; |
508 |
|
char tf2[64]; |
509 |
|
char combuf[256]; |
602 |
|
{ |
603 |
|
int status = 0; |
604 |
|
|
521 |
– |
if (outdev != NULL) /* close display */ |
522 |
– |
disp_close(); |
605 |
|
if (hdlist[0] != NULL) { /* flush holodeck */ |
606 |
|
if (ncprocs > 0) { |
607 |
|
done_packets(flush_queue()); |
610 |
|
if (vdef(REPORT)) { |
611 |
|
long fsiz, fuse; |
612 |
|
report(0); |
613 |
< |
fsiz = lseek(hdlist[0]->fd, 0L, 2); |
613 |
> |
fsiz = hdfilen(hdlist[0]->fd); |
614 |
|
fuse = hdfiluse(hdlist[0]->fd, 1); |
615 |
|
fprintf(stderr, |
616 |
|
"%s: %.1f Mbyte holodeck file, %.1f%% fragmentation\n", |
620 |
|
} else |
621 |
|
hdflush(NULL); |
622 |
|
} |
623 |
+ |
if (orig_mode >= 0) /* reset holodeck access mode */ |
624 |
+ |
fchmod(hdlist[0]->fd, orig_mode); |
625 |
+ |
if (outdev != NULL) /* close display */ |
626 |
+ |
disp_close(); |
627 |
|
exit(ec ? ec : status); /* exit */ |
628 |
|
} |