| 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); |
| 204 |
|
if (!vdef(DISKSPACE)) |
| 205 |
|
maxdisk = 0; |
| 206 |
|
else |
| 207 |
< |
maxdisk = 1024.*1024.*vflt(DISKSPACE)); |
| 207 |
> |
maxdisk = 1024.*1024.*vflt(DISKSPACE); |
| 208 |
|
/* record end time */ |
| 209 |
|
if (!vdef(TIME) || vflt(TIME) <= FTINY) |
| 210 |
|
endtime = 0; |
| 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) |
| 283 |
> |
if (nprocs <= 0) |
| 284 |
|
return(1); |
| 285 |
|
/* check file size */ |
| 286 |
< |
if (maxdisk > 0 && hdfiluse(hdlist[0]->fd,0)+hdmemuse(0) >= maxdisk) { |
| 286 |
> |
if (maxdisk > 0 && hdfilen(hdlist[0]->fd) >= maxdisk) { |
| 287 |
|
error(WARNING, "file limit exceeded"); |
| 288 |
|
return(0); |
| 289 |
|
} |
| 346 |
|
sprintf(errmsg, "ignoring all but first %s", vnam(SECTION)); |
| 347 |
|
error(WARNING, errmsg); |
| 348 |
|
} |
| 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); |
| 349 |
|
if (!vdef(OCTREE)) { |
| 350 |
|
if ((vval(OCTREE) = bmalloc(strlen(froot)+5)) == NULL) |
| 351 |
|
error(SYSTEM, "out of memory"); |
| 356 |
|
vval(OBSTRUCTIONS) = "T"; |
| 357 |
|
vdef(OBSTRUCTIONS)++; |
| 358 |
|
} |
| 359 |
+ |
if (!vdef(VDIST)) { |
| 360 |
+ |
vval(VDIST) = "F"; |
| 361 |
+ |
vdef(VDIST)++; |
| 362 |
+ |
} |
| 363 |
|
if (!vdef(OCCUPANCY)) { |
| 364 |
|
vval(OCCUPANCY) = "U"; |
| 365 |
|
vdef(OCCUPANCY)++; |
| 367 |
|
/* append rendering options */ |
| 368 |
|
if (vdef(RENDER)) |
| 369 |
|
rtargc += wordstring(rtargv+rtargc, vval(RENDER)); |
| 370 |
+ |
|
| 371 |
+ |
if (gp == NULL) /* already initialized? */ |
| 372 |
+ |
return; |
| 373 |
+ |
/* set grid parameters */ |
| 374 |
+ |
gp->grid[0] = gp->grid[1] = gp->grid[2] = 0; |
| 375 |
+ |
if (sscanf(vval(SECTION), |
| 376 |
+ |
"%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %hd %hd %hd", |
| 377 |
+ |
&gp->orig[0], &gp->orig[1], &gp->orig[2], |
| 378 |
+ |
&gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2], |
| 379 |
+ |
&gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2], |
| 380 |
+ |
&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2], |
| 381 |
+ |
&gp->grid[0], &gp->grid[1], &gp->grid[2]) < 12) |
| 382 |
+ |
badvalue(SECTION); |
| 383 |
+ |
maxlen = 0.; |
| 384 |
+ |
for (i = 0; i < 3; i++) |
| 385 |
+ |
if ((len[i] = VLEN(gp->xv[i])) > maxlen) |
| 386 |
+ |
maxlen = len[i]; |
| 387 |
+ |
if (!vdef(GRID)) { |
| 388 |
+ |
sprintf(buf, "%.4f", maxlen/8.); |
| 389 |
+ |
vval(GRID) = savqstr(buf); |
| 390 |
+ |
vdef(GRID)++; |
| 391 |
+ |
} |
| 392 |
+ |
if ((d = vflt(GRID)) <= FTINY) |
| 393 |
+ |
badvalue(GRID); |
| 394 |
+ |
for (i = 0; i < 3; i++) |
| 395 |
+ |
if (gp->grid[i] <= 0) |
| 396 |
+ |
gp->grid[i] = len[i]/d + (1.-FTINY); |
| 397 |
|
} |
| 398 |
|
|
| 399 |
|
|
| 400 |
|
creatholo(gp) /* create a holodeck output file */ |
| 401 |
|
HDGRID *gp; |
| 402 |
|
{ |
| 403 |
+ |
extern char VersionID[]; |
| 404 |
|
long endloc = 0; |
| 405 |
+ |
int fd; |
| 406 |
|
FILE *fp; |
| 407 |
|
/* open & truncate file */ |
| 408 |
|
if ((fp = fopen(hdkfile, "w+")) == NULL) { |
| 411 |
|
} |
| 412 |
|
/* write information header */ |
| 413 |
|
newheader("RADIANCE", fp); |
| 414 |
+ |
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
| 415 |
|
printvars(fp); |
| 416 |
|
fputformat(HOLOFMT, fp); |
| 417 |
|
fputc('\n', fp); |
| 418 |
|
putw(HOLOMAGIC, fp); /* put magic number & terminus */ |
| 419 |
|
fwrite(&endloc, sizeof(long), 1, fp); |
| 420 |
< |
fflush(fp); /* flush buffer */ |
| 421 |
< |
hdinit(fileno(fp), gp); /* allocate and initialize index */ |
| 422 |
< |
/* we're dropping fp here.... */ |
| 420 |
> |
fd = dup(fileno(fp)); |
| 421 |
> |
fclose(fp); /* flush and close stdio stream */ |
| 422 |
> |
hdinit(fd, gp); /* allocate and initialize index */ |
| 423 |
|
} |
| 424 |
|
|
| 425 |
|
|
| 449 |
|
|
| 450 |
|
loadholo() /* start loading a holodeck from fname */ |
| 451 |
|
{ |
| 452 |
+ |
extern long ftell(); |
| 453 |
|
FILE *fp; |
| 454 |
< |
long endloc; |
| 454 |
> |
int fd; |
| 455 |
> |
long fpos; |
| 456 |
|
/* open holodeck file */ |
| 457 |
|
if ((fp = fopen(hdkfile, ncprocs>0 ? "r+" : "r")) == NULL) { |
| 458 |
|
sprintf(errmsg, "cannot open \"%s\" for %s", hdkfile, |
| 467 |
|
hdkfile); |
| 468 |
|
error(USER, errmsg); |
| 469 |
|
} |
| 470 |
< |
fread(&endloc, sizeof(long), 1, fp); |
| 471 |
< |
if (endloc != 0) |
| 470 |
> |
fread(&fpos, sizeof(long), 1, fp); |
| 471 |
> |
if (fpos != 0) |
| 472 |
|
error(WARNING, "ignoring multiple sections in holodeck file"); |
| 473 |
< |
fseek(fp, 0L, 1); /* align system file pointer */ |
| 474 |
< |
hdinit(fileno(fp), NULL); /* allocate and load index */ |
| 475 |
< |
/* we're dropping fp here.... */ |
| 473 |
> |
fpos = ftell(fp); /* get stdio position */ |
| 474 |
> |
fd = dup(fileno(fp)); |
| 475 |
> |
fclose(fp); /* done with stdio */ |
| 476 |
> |
lseek(fd, fpos, 0); /* align system file pointer */ |
| 477 |
> |
hdinit(fd, NULL); /* allocate and load index */ |
| 478 |
|
} |
| 479 |
|
|
| 480 |
|
|
| 481 |
|
done_packets(pl) /* handle finished packets */ |
| 482 |
|
PACKET *pl; |
| 483 |
|
{ |
| 484 |
< |
static int nunflushed = 0; |
| 484 |
> |
static int n2flush = 0; |
| 485 |
|
register PACKET *p; |
| 486 |
|
|
| 487 |
|
while (pl != NULL) { |
| 492 |
|
p->nr*sizeof(RAYVAL)); |
| 493 |
|
if (outdev != NULL) /* display it */ |
| 494 |
|
disp_packet((PACKHEAD *)p); |
| 495 |
< |
else |
| 496 |
< |
nunflushed += p->nr; |
| 495 |
> |
if (hdcachesize <= 0) /* manual flushing */ |
| 496 |
> |
n2flush += p->nr; |
| 497 |
|
nraysdone += p->nr; |
| 498 |
|
npacksdone++; |
| 499 |
|
} |
| 501 |
|
p->next = freepacks; |
| 502 |
|
freepacks = p; |
| 503 |
|
} |
| 504 |
< |
if (nunflushed >= 256*RPACKSIZ) { |
| 504 |
> |
if (n2flush > 512*RPACKSIZ*nprocs) { |
| 505 |
|
hdflush(NULL); /* flush holodeck buffers */ |
| 506 |
< |
nunflushed = 0; |
| 506 |
> |
n2flush = 0; |
| 507 |
|
} |
| 508 |
|
} |
| 509 |
|
|
| 510 |
|
|
| 511 |
+ |
checkrad() /* check to make sure octree is up to date */ |
| 512 |
+ |
{ |
| 513 |
+ |
char combuf[128]; |
| 514 |
+ |
|
| 515 |
+ |
if (!vdef(RIF)) |
| 516 |
+ |
return; |
| 517 |
+ |
sprintf(combuf, "rad -v 0 -s -w %s", vval(RIF)); |
| 518 |
+ |
if (system(combuf)) |
| 519 |
+ |
error(WARNING, "error running rad"); |
| 520 |
+ |
} |
| 521 |
+ |
|
| 522 |
+ |
|
| 523 |
|
getradfile(rfargs) /* run rad and get needed variables */ |
| 524 |
|
char *rfargs; |
| 525 |
|
{ |
| 526 |
< |
static short mvar[] = {VIEW,OCTREE,EXPOSURE,-1}; |
| 526 |
> |
static short mvar[] = {OCTREE,-1}; |
| 527 |
|
static char tf1[] = TEMPLATE; |
| 528 |
|
char tf2[64]; |
| 529 |
|
char combuf[256]; |
| 553 |
|
else |
| 554 |
|
sprintf(cp, ")[ \t]*=' > %s", tf2); |
| 555 |
|
if (system(combuf)) { |
| 454 |
– |
error(SYSTEM, "cannot execute rad command"); |
| 556 |
|
unlink(tf2); /* clean up */ |
| 557 |
|
unlink(tf1); |
| 558 |
< |
quit(1); |
| 558 |
> |
error(SYSTEM, "cannot execute rad command"); |
| 559 |
|
} |
| 560 |
|
if (pippt == NULL) { |
| 561 |
|
loadvars(tf2); /* load variables */ |
| 621 |
|
{ |
| 622 |
|
int status = 0; |
| 623 |
|
|
| 523 |
– |
if (outdev != NULL) /* close display */ |
| 524 |
– |
disp_close(); |
| 624 |
|
if (hdlist[0] != NULL) { /* flush holodeck */ |
| 625 |
< |
if (ncprocs > 0) { |
| 625 |
> |
if (nprocs > 0) { |
| 626 |
|
done_packets(flush_queue()); |
| 627 |
|
status = end_rtrace(); /* close rtrace */ |
| 628 |
< |
hdflush(NULL); |
| 629 |
< |
if (vdef(REPORT)) { |
| 630 |
< |
long fsiz, fuse; |
| 631 |
< |
report(0); |
| 632 |
< |
fsiz = lseek(hdlist[0]->fd, 0L, 2); |
| 633 |
< |
fuse = hdfiluse(hdlist[0]->fd, 1); |
| 634 |
< |
fprintf(stderr, |
| 628 |
> |
} |
| 629 |
> |
hdflush(NULL); |
| 630 |
> |
if (ncprocs > 0 && vdef(REPORT)) { |
| 631 |
> |
long fsiz, fuse; |
| 632 |
> |
report(0); |
| 633 |
> |
fsiz = hdfilen(hdlist[0]->fd); |
| 634 |
> |
fuse = hdfiluse(hdlist[0]->fd, 1); |
| 635 |
> |
fprintf(stderr, |
| 636 |
|
"%s: %.1f Mbyte holodeck file, %.1f%% fragmentation\n", |
| 637 |
< |
hdkfile, fsiz/(1024.*1024.), |
| 638 |
< |
100.*(fsiz-fuse)/fsiz); |
| 639 |
< |
} |
| 540 |
< |
} else |
| 541 |
< |
hdflush(NULL); |
| 637 |
> |
hdkfile, fsiz/(1024.*1024.), |
| 638 |
> |
100.*(fsiz-fuse)/fsiz); |
| 639 |
> |
} |
| 640 |
|
} |
| 641 |
+ |
if (orig_mode >= 0) /* reset holodeck access mode */ |
| 642 |
+ |
fchmod(hdlist[0]->fd, orig_mode); |
| 643 |
+ |
if (outdev != NULL) /* close display */ |
| 644 |
+ |
disp_close(); |
| 645 |
|
exit(ec ? ec : status); /* exit */ |
| 646 |
|
} |