1 |
– |
/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
2 |
– |
|
1 |
|
#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ SGI"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
|
#endif |
6 |
– |
|
4 |
|
/* |
5 |
|
* Radiance holodeck generation controller |
6 |
|
*/ |
7 |
|
|
11 |
– |
#include "rholo.h" |
12 |
– |
#include "random.h" |
8 |
|
#include <signal.h> |
14 |
– |
#include <sys/types.h> |
9 |
|
#include <sys/stat.h> |
10 |
+ |
#include <string.h> |
11 |
|
|
12 |
+ |
#include "rholo.h" |
13 |
+ |
#include "platform.h" |
14 |
+ |
#include "random.h" |
15 |
+ |
|
16 |
|
#ifndef FRAGWARN |
17 |
|
#define FRAGWARN 20 /* fragmentation for warning (%) */ |
18 |
|
#endif |
19 |
|
#ifndef MAXQTIME |
20 |
|
#define MAXQTIME 5 /* target maximum seconds in queue */ |
21 |
|
#endif |
22 |
+ |
/* manual cache flushing frequency */ |
23 |
+ |
#ifndef RTFLUSH |
24 |
+ |
#if MAXQTIME |
25 |
+ |
#define RTFLUSH (300/MAXQTIME*totqlen) /* <= 5 minutes */ |
26 |
+ |
#else |
27 |
+ |
#define RTFLUSH (50*totqlen) /* just guess */ |
28 |
+ |
#endif |
29 |
+ |
#endif |
30 |
|
/* the following must be consistent with rholo.h */ |
31 |
|
int NVARS = NRHVARS; /* total number of variables */ |
32 |
|
|
42 |
|
|
43 |
|
int readinp = 0; /* read commands from stdin */ |
44 |
|
|
45 |
< |
int force = 0; /* allow overwrite of holodeck */ |
45 |
> |
int force = 0; /* allow overwrite of holodeck (-1 == read-only) */ |
46 |
|
|
47 |
|
time_t starttime; /* time we got started */ |
48 |
|
time_t endtime; /* time we should end by */ |
49 |
|
time_t reporttime; /* time for next report */ |
50 |
|
|
51 |
< |
long maxdisk; /* maximum file space (bytes) */ |
51 |
> |
off_t maxdisk; /* maximum file space (bytes) */ |
52 |
|
|
53 |
|
int rtargc = 1; /* rtrace command */ |
54 |
|
char *rtargv[128] = {"rtrace", NULL}; |
59 |
|
long npacksdone = 0L; /* number of packets done */ |
60 |
|
|
61 |
|
PACKET *freepacks; /* available packets */ |
62 |
< |
int totqlen; /* maximum queue length when full */ |
62 |
> |
int totqlen; /* maximum queue length (number of packets) */ |
63 |
|
|
64 |
|
char *sigerr[NSIG]; /* signal error messages */ |
65 |
|
|
82 |
|
nowarn++; |
83 |
|
break; |
84 |
|
case 'f': /* force overwrite */ |
85 |
< |
force++; |
85 |
> |
force = 1; |
86 |
|
break; |
87 |
+ |
case 'r': /* read-only mode */ |
88 |
+ |
force = -1; |
89 |
+ |
break; |
90 |
|
case 'i': /* read input from stdin */ |
91 |
|
readinp++; |
92 |
|
break; |
129 |
|
HDGRID hdg[HDMAX]; |
130 |
|
/* set defaults */ |
131 |
|
setdefaults(hdg); |
132 |
+ |
/* check read-only */ |
133 |
+ |
if (force < 0) |
134 |
+ |
error(USER, "cannot create read-only holodeck"); |
135 |
|
/* holodeck exists? */ |
136 |
|
if (!force && access(hdkfile, R_OK|W_OK) == 0) |
137 |
|
error(USER, |
149 |
|
quit(0); |
150 |
|
userr: |
151 |
|
fprintf(stderr, |
152 |
< |
"Usage: %s [-n nprocs][-o disp][-w][-f] output.hdk [control.hif|+|- [VAR=val ..]]\n", |
152 |
> |
"Usage: %s [-n nprocs][-o disp][-w][-r|-f] output.hdk [control.hif|+|- [VAR=val ..]]\n", |
153 |
|
progname); |
154 |
|
quit(1); |
155 |
|
} |
156 |
|
|
157 |
|
|
158 |
+ |
void |
159 |
|
onsig(signo) /* fatal signal */ |
160 |
|
int signo; |
161 |
|
{ |
162 |
|
static int gotsig = 0; |
163 |
|
|
164 |
< |
if (gotsig++) /* two signals and we're gone! */ |
164 |
> |
if (gotsig > 1) /* we're going as fast as we can! */ |
165 |
> |
return; |
166 |
> |
if (gotsig++) { /* two signals and we split */ |
167 |
> |
hdsync(NULL, 0); /* don't leave w/o saying goodbye */ |
168 |
|
_exit(signo); |
169 |
< |
|
170 |
< |
alarm(60); /* allow 60 seconds to clean up */ |
154 |
< |
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
169 |
> |
} |
170 |
> |
alarm(300); /* allow 5 minutes to clean up */ |
171 |
|
eputs("signal - "); |
172 |
|
eputs(sigerr[signo]); |
173 |
|
eputs("\n"); |
218 |
|
init_global(); |
219 |
|
/* record disk space limit */ |
220 |
|
if (!vdef(DISKSPACE)) |
221 |
< |
maxdisk = 0; |
221 |
> |
maxdisk = ((off_t)1<<(sizeof(off_t)*8-2)) - 1024; |
222 |
|
else |
223 |
|
maxdisk = 1024.*1024.*vflt(DISKSPACE); |
224 |
|
/* set up memory cache */ |
225 |
|
if (outdev == NULL) |
226 |
< |
hdcachesize = 0; /* manual flushing */ |
226 |
> |
hdcachesize = 0; /* manual flushing */ |
227 |
|
else if (vdef(CACHE)) |
228 |
|
hdcachesize = 1024.*1024.*vflt(CACHE); |
229 |
|
/* open report file */ |
278 |
|
sigdie(SIGXCPU, "CPU limit exceeded"); |
279 |
|
sigdie(SIGXFSZ, "File size exceeded"); |
280 |
|
#endif |
281 |
< |
/* protect holodeck file */ |
282 |
< |
orig_mode = resfmode(hdlist[0]->fd, ncprocs>0 ? 0 : 0444); |
281 |
> |
/* protect holodeck file */ |
282 |
> |
orig_mode = resfmode(hdlist[0]->fd, (ncprocs>0) & (force>=0) ? 0 : 0444); |
283 |
|
return; |
284 |
|
memerr: |
285 |
|
error(SYSTEM, "out of memory in initrholo"); |
291 |
|
static long nextfragwarn = 100*(1L<<20); |
292 |
|
static int idle = 0; |
293 |
|
PACKET *pl = NULL, *plend; |
294 |
< |
long fsiz; |
294 |
> |
off_t fsiz; |
295 |
|
int pksiz; |
296 |
|
register PACKET *p; |
297 |
|
time_t t; |
329 |
|
if (reporttime > 0 && t >= reporttime) |
330 |
|
report(t); |
331 |
|
/* figure out good packet size */ |
332 |
+ |
pksiz = RPACKSIZ; |
333 |
|
#if MAXQTIME |
334 |
< |
pksiz = nraysdone*MAXQTIME/(totqlen*(t - starttime + 1L)); |
335 |
< |
if (pksiz < 1) |
336 |
< |
pksiz = 1; |
337 |
< |
else if (pksiz > RPACKSIZ) |
334 |
> |
if (!chunkycmp) { |
335 |
> |
pksiz = nraysdone*MAXQTIME/(totqlen*(t - starttime + 1L)); |
336 |
> |
if (pksiz < 1) pksiz = 1; |
337 |
> |
else if (pksiz > RPACKSIZ) pksiz = RPACKSIZ; |
338 |
> |
} |
339 |
|
#endif |
322 |
– |
pksiz = RPACKSIZ; |
340 |
|
idle = 0; /* get packets to process */ |
341 |
|
while (freepacks != NULL) { |
342 |
|
p = freepacks; freepacks = p->next; p->next = NULL; |
416 |
|
HDGRID *gp; |
417 |
|
{ |
418 |
|
extern char VersionID[]; |
419 |
< |
int4 lastloc, nextloc; |
419 |
> |
int32 lastloc, nextloc; |
420 |
|
int n; |
421 |
|
int fd; |
422 |
|
FILE *fp; |
434 |
|
putw(HOLOMAGIC, fp); /* put magic number */ |
435 |
|
fd = dup(fileno(fp)); |
436 |
|
fclose(fp); /* flush and close stdio stream */ |
437 |
< |
lastloc = lseek(fd, 0L, 2); |
437 |
> |
lastloc = lseek(fd, (off_t)0, SEEK_END); |
438 |
|
for (n = vdef(SECTION); n--; gp++) { /* initialize each section */ |
439 |
|
nextloc = 0L; |
440 |
|
write(fd, (char *)&nextloc, sizeof(nextloc)); |
442 |
|
if (!n) |
443 |
|
break; |
444 |
|
nextloc = hdfilen(fd); /* write section pointer */ |
445 |
< |
if (lseek(fd, (long)lastloc, 0) < 0) |
445 |
> |
if (lseek(fd, (off_t)lastloc, SEEK_SET) < 0) |
446 |
|
error(SYSTEM, |
447 |
|
"cannot seek on holodeck file in creatholo"); |
448 |
|
write(fd, (char *)&nextloc, sizeof(nextloc)); |
449 |
< |
lseek(fd, (long)(lastloc=nextloc), 0); |
449 |
> |
lseek(fd, (off_t)(lastloc=nextloc), SEEK_SET); |
450 |
|
} |
451 |
|
} |
452 |
|
|
479 |
|
|
480 |
|
loadholo() /* start loading a holodeck from fname */ |
481 |
|
{ |
465 |
– |
extern long ftell(); |
482 |
|
FILE *fp; |
483 |
|
int fd; |
484 |
|
int n; |
485 |
< |
int4 nextloc; |
486 |
< |
/* open holodeck file */ |
487 |
< |
if ((fp = fopen(hdkfile, ncprocs>0 ? "r+" : "r")) == NULL) { |
488 |
< |
sprintf(errmsg, "cannot %s \"%s\"", |
489 |
< |
ncprocs>0 ? "append" : "read", hdkfile); |
490 |
< |
error(SYSTEM, errmsg); |
485 |
> |
int32 nextloc; |
486 |
> |
|
487 |
> |
if ((ncprocs > 0) & (force >= 0)) |
488 |
> |
fp = fopen(hdkfile, "r+"); |
489 |
> |
else |
490 |
> |
fp = NULL; |
491 |
> |
if (fp == NULL) { |
492 |
> |
if ((fp = fopen(hdkfile, "r")) == NULL) { |
493 |
> |
sprintf(errmsg, "cannot open \"%s\"", hdkfile); |
494 |
> |
error(SYSTEM, errmsg); |
495 |
> |
} |
496 |
> |
if (ncprocs > 0) { |
497 |
> |
sprintf(errmsg, |
498 |
> |
"\"%s\" opened read-only; new rays will be discarded", |
499 |
> |
hdkfile); |
500 |
> |
error(WARNING, errmsg); |
501 |
> |
force = -1; |
502 |
> |
} |
503 |
|
} |
504 |
|
/* load variables from header */ |
505 |
|
getheader(fp, headline, NULL); |
513 |
|
fd = dup(fileno(fp)); |
514 |
|
fclose(fp); /* done with stdio */ |
515 |
|
for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
516 |
< |
lseek(fd, (long)nextloc, 0); |
516 |
> |
lseek(fd, (off_t)nextloc, SEEK_SET); |
517 |
|
read(fd, (char *)&nextloc, sizeof(nextloc)); |
518 |
|
hdinit(fd, NULL); |
519 |
|
} |
534 |
|
while (pl != NULL) { |
535 |
|
p = pl; pl = p->next; p->next = NULL; |
536 |
|
if (p->nr > 0) { /* add to holodeck */ |
537 |
< |
bcopy((char *)p->ra, |
538 |
< |
(char *)hdnewrays(hdlist[p->hd],p->bi,p->nr), |
537 |
> |
memcpy( (void *)hdnewrays(hdlist[p->hd],p->bi,p->nr), |
538 |
> |
(void *)p->ra, |
539 |
|
p->nr*sizeof(RAYVAL)); |
540 |
|
if (outdev != NULL) /* display it */ |
541 |
|
disp_packet((PACKHEAD *)p); |
542 |
< |
if (hdcachesize <= 0) /* manual flushing */ |
542 |
> |
if (hdcachesize <= 0) |
543 |
|
n2flush++; |
544 |
|
nraysdone += p->nr; |
545 |
|
npacksdone++; |
548 |
|
p->next = freepacks; /* push onto free list */ |
549 |
|
freepacks = p; |
550 |
|
} |
551 |
< |
#if MAXQTIME |
552 |
< |
if (n2flush > 300/MAXQTIME*totqlen) { |
553 |
< |
#else |
526 |
< |
if (n2flush > 50*totqlen) { |
527 |
< |
#endif |
528 |
< |
if (outdev == NULL) |
529 |
< |
hdflush(NULL); /* flush holodeck buffers */ |
551 |
> |
if (n2flush >= RTFLUSH) { |
552 |
> |
if (outdev != NULL) |
553 |
> |
hdsync(NULL, 1); |
554 |
|
else |
555 |
< |
hdsync(NULL, 1); /* sync holodeck file */ |
555 |
> |
hdflush(NULL); |
556 |
|
n2flush = 0; |
557 |
|
} |
558 |
|
} |
563 |
|
{ |
564 |
|
char *tp, *dp; |
565 |
|
|
566 |
< |
for (tp = NULL, dp = rn; *rn = *fn++; rn++) |
566 |
> |
for (tp = NULL, dp = rn; (*rn = *fn++); rn++) { |
567 |
|
if (*rn == '/') |
568 |
|
dp = rn; |
569 |
|
else if (*rn == '.') |
570 |
|
tp = rn; |
571 |
+ |
} |
572 |
|
if (tp != NULL && tp > dp) |
573 |
|
*tp = '\0'; |
574 |
|
} |
582 |
|
} |
583 |
|
|
584 |
|
|
585 |
+ |
void |
586 |
|
eputs(s) /* put error message to stderr */ |
587 |
|
register char *s; |
588 |
|
{ |
602 |
|
} |
603 |
|
|
604 |
|
|
605 |
+ |
void |
606 |
|
quit(ec) /* exit program gracefully */ |
607 |
|
int ec; |
608 |
|
{ |
611 |
|
if (hdlist[0] != NULL) { /* close holodeck */ |
612 |
|
if (nprocs > 0) |
613 |
|
status = done_rtrace(); /* calls hdsync() */ |
614 |
< |
if (ncprocs > 0 && vdef(REPORT)) { |
615 |
< |
long fsiz, fuse; |
614 |
> |
if ((ncprocs > 0) & (force >= 0) && vdef(REPORT)) { |
615 |
> |
off_t fsiz, fuse; |
616 |
|
fsiz = hdfilen(hdlist[0]->fd); |
617 |
|
fuse = hdfiluse(hdlist[0]->fd, 1); |
618 |
|
fprintf(stderr, |