| 1 |
– |
/* Copyright (c) 1997 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 |
|
|
| 8 |
< |
#include "rholo.h" |
| 9 |
< |
#include "random.h" |
| 8 |
> |
#include <stdio.h> |
| 9 |
> |
#include <time.h> |
| 10 |
|
#include <signal.h> |
| 14 |
– |
#include <sys/types.h> |
| 11 |
|
#include <sys/stat.h> |
| 12 |
+ |
#include <string.h> |
| 13 |
|
|
| 14 |
+ |
#include "platform.h" |
| 15 |
+ |
#include "rterror.h" |
| 16 |
+ |
#include "resolu.h" |
| 17 |
+ |
#include "rholo.h" |
| 18 |
+ |
#include "random.h" |
| 19 |
+ |
|
| 20 |
+ |
#ifndef FRAGWARN |
| 21 |
+ |
#define FRAGWARN 20 /* fragmentation for warning (%) */ |
| 22 |
+ |
#endif |
| 23 |
+ |
#ifndef MAXQTIME |
| 24 |
+ |
#define MAXQTIME 5 /* target maximum seconds in queue */ |
| 25 |
+ |
#endif |
| 26 |
+ |
/* manual cache flushing frequency */ |
| 27 |
+ |
#ifndef RTFLUSH |
| 28 |
+ |
#if MAXQTIME |
| 29 |
+ |
#define RTFLUSH (300/MAXQTIME*totqlen) /* <= 5 minutes */ |
| 30 |
+ |
#else |
| 31 |
+ |
#define RTFLUSH (50*totqlen) /* just guess */ |
| 32 |
+ |
#endif |
| 33 |
+ |
#endif |
| 34 |
|
/* the following must be consistent with rholo.h */ |
| 35 |
|
int NVARS = NRHVARS; /* total number of variables */ |
| 36 |
|
|
| 40 |
|
char *hdkfile; /* holodeck file name */ |
| 41 |
|
char froot[256]; /* root file name */ |
| 42 |
|
|
| 26 |
– |
int nowarn = 0; /* turn warnings off? */ |
| 27 |
– |
|
| 43 |
|
int ncprocs = 0; /* desired number of compute processes */ |
| 44 |
|
|
| 45 |
|
char *outdev = NULL; /* output device name */ |
| 46 |
|
|
| 47 |
|
int readinp = 0; /* read commands from stdin */ |
| 48 |
|
|
| 49 |
< |
int force = 0; /* allow overwrite of holodeck */ |
| 49 |
> |
int force = 0; /* allow overwrite of holodeck (-1 == read-only) */ |
| 50 |
|
|
| 51 |
|
time_t starttime; /* time we got started */ |
| 52 |
|
time_t endtime; /* time we should end by */ |
| 53 |
|
time_t reporttime; /* time for next report */ |
| 54 |
|
|
| 55 |
< |
long maxdisk; /* maximum file space (bytes) */ |
| 55 |
> |
off_t maxdisk; /* maximum file space (bytes) */ |
| 56 |
|
|
| 57 |
|
int rtargc = 1; /* rtrace command */ |
| 58 |
|
char *rtargv[128] = {"rtrace", NULL}; |
| 63 |
|
long npacksdone = 0L; /* number of packets done */ |
| 64 |
|
|
| 65 |
|
PACKET *freepacks; /* available packets */ |
| 66 |
+ |
int totqlen; /* maximum queue length (number of packets) */ |
| 67 |
|
|
| 68 |
|
char *sigerr[NSIG]; /* signal error messages */ |
| 69 |
|
|
| 70 |
< |
extern time_t time(); |
| 70 |
> |
extern int nowarn; /* turn warnings off? */ |
| 71 |
|
|
| 72 |
+ |
static void onsig(int signo); |
| 73 |
+ |
static void sigdie(int signo, char *msg); |
| 74 |
+ |
static int resfmode(int fd, int mod); |
| 75 |
+ |
static void initrholo(void); |
| 76 |
+ |
static int rholo(void); |
| 77 |
+ |
static void setdefaults(HDGRID *gp); |
| 78 |
+ |
static void creatholo(HDGRID *gp); |
| 79 |
+ |
static gethfunc headline; |
| 80 |
+ |
static void loadholo(void); |
| 81 |
+ |
static void rootname(char *rn, char *fn); |
| 82 |
+ |
static void badvalue(int vc); |
| 83 |
|
|
| 84 |
< |
main(argc, argv) |
| 85 |
< |
int argc; |
| 86 |
< |
char *argv[]; |
| 84 |
> |
|
| 85 |
> |
int |
| 86 |
> |
main( |
| 87 |
> |
int argc, |
| 88 |
> |
char *argv[] |
| 89 |
> |
) |
| 90 |
|
{ |
| 61 |
– |
HDGRID hdg; |
| 91 |
|
int i; |
| 92 |
< |
/* mark start time */ |
| 64 |
< |
starttime = time(NULL); |
| 92 |
> |
|
| 93 |
|
initurand(16384); /* initialize urand */ |
| 94 |
|
progname = argv[0]; /* get arguments */ |
| 95 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
| 98 |
|
nowarn++; |
| 99 |
|
break; |
| 100 |
|
case 'f': /* force overwrite */ |
| 101 |
< |
force++; |
| 101 |
> |
force = 1; |
| 102 |
|
break; |
| 103 |
+ |
case 'r': /* read-only mode */ |
| 104 |
+ |
force = -1; |
| 105 |
+ |
break; |
| 106 |
|
case 'i': /* read input from stdin */ |
| 107 |
|
readinp++; |
| 108 |
|
break; |
| 120 |
|
goto userr; |
| 121 |
|
} |
| 122 |
|
/* get root file name */ |
| 123 |
+ |
if (i >= argc) |
| 124 |
+ |
goto userr; |
| 125 |
|
rootname(froot, hdkfile=argv[i++]); |
| 126 |
|
/* load variables? */ |
| 127 |
|
if (i < argc) |
| 138 |
|
} |
| 139 |
|
/* check settings */ |
| 140 |
|
checkvalues(); |
| 141 |
< |
/* load RIF if any */ |
| 141 |
> |
/* load rad input file */ |
| 142 |
|
getradfile(); |
| 143 |
|
|
| 144 |
|
if (hdlist[0] == NULL) { /* create new holodeck */ |
| 145 |
+ |
HDGRID hdg[HDMAX]; |
| 146 |
|
/* set defaults */ |
| 147 |
< |
setdefaults(&hdg); |
| 147 |
> |
setdefaults(hdg); |
| 148 |
> |
/* check read-only */ |
| 149 |
> |
if (force < 0) |
| 150 |
> |
error(USER, "cannot create read-only holodeck"); |
| 151 |
|
/* holodeck exists? */ |
| 152 |
|
if (!force && access(hdkfile, R_OK|W_OK) == 0) |
| 153 |
|
error(USER, |
| 154 |
|
"holodeck file exists -- use -f to overwrite"); |
| 155 |
|
/* create holodeck */ |
| 156 |
< |
creatholo(&hdg); |
| 156 |
> |
creatholo(hdg); |
| 157 |
|
} else /* else just set defaults */ |
| 158 |
|
setdefaults(NULL); |
| 159 |
|
/* initialize */ |
| 165 |
|
quit(0); |
| 166 |
|
userr: |
| 167 |
|
fprintf(stderr, |
| 168 |
< |
"Usage: %s [-n nprocs][-o disp][-w][-f] output.hdk [control.hif|+|- [VAR=val ..]]\n", |
| 168 |
> |
"Usage: %s [-n nprocs][-o disp][-w][-r|-f] output.hdk [control.hif|+|- [VAR=val ..]]\n", |
| 169 |
|
progname); |
| 170 |
|
quit(1); |
| 171 |
+ |
return 1; /* pro forma return */ |
| 172 |
|
} |
| 173 |
|
|
| 174 |
|
|
| 175 |
< |
onsig(signo) /* fatal signal */ |
| 176 |
< |
int signo; |
| 175 |
> |
static void |
| 176 |
> |
onsig( /* fatal signal */ |
| 177 |
> |
int signo |
| 178 |
> |
) |
| 179 |
|
{ |
| 180 |
|
static int gotsig = 0; |
| 181 |
|
|
| 182 |
< |
if (gotsig++) /* two signals and we're gone! */ |
| 182 |
> |
if (gotsig > 1) /* we're going as fast as we can! */ |
| 183 |
> |
return; |
| 184 |
> |
if (gotsig++) { /* two signals and we split */ |
| 185 |
> |
hdsync(NULL, 0); /* don't leave w/o saying goodbye */ |
| 186 |
|
_exit(signo); |
| 187 |
< |
|
| 188 |
< |
alarm(60); /* allow 60 seconds to clean up */ |
| 146 |
< |
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
| 187 |
> |
} |
| 188 |
> |
alarm(300); /* allow 5 minutes to clean up */ |
| 189 |
|
eputs("signal - "); |
| 190 |
|
eputs(sigerr[signo]); |
| 191 |
|
eputs("\n"); |
| 193 |
|
} |
| 194 |
|
|
| 195 |
|
|
| 196 |
< |
sigdie(signo, msg) /* set fatal signal */ |
| 197 |
< |
int signo; |
| 198 |
< |
char *msg; |
| 196 |
> |
static void |
| 197 |
> |
sigdie( /* set fatal signal */ |
| 198 |
> |
int signo, |
| 199 |
> |
char *msg |
| 200 |
> |
) |
| 201 |
|
{ |
| 202 |
|
if (signal(signo, onsig) == SIG_IGN) |
| 203 |
|
signal(signo, SIG_IGN); |
| 205 |
|
} |
| 206 |
|
|
| 207 |
|
|
| 208 |
< |
int |
| 209 |
< |
resfmode(fd, mod) /* restrict open file access mode */ |
| 210 |
< |
int fd, mod; |
| 208 |
> |
static int |
| 209 |
> |
resfmode( /* restrict open file access mode */ |
| 210 |
> |
int fd, |
| 211 |
> |
int mod |
| 212 |
> |
) |
| 213 |
|
{ |
| 214 |
|
struct stat stbuf; |
| 215 |
|
/* get original mode */ |
| 216 |
|
if (fstat(fd, &stbuf) < 0) |
| 217 |
|
error(SYSTEM, "cannot stat open holodeck file"); |
| 218 |
|
mod &= stbuf.st_mode; /* always more restrictive */ |
| 219 |
< |
if (mod == stbuf.st_mode) |
| 219 |
> |
if (mod == (stbuf.st_mode & 0777)) |
| 220 |
|
return(-1); /* already set */ |
| 221 |
|
/* else change it */ |
| 222 |
|
if (fchmod(fd, mod) < 0) { |
| 227 |
|
} |
| 228 |
|
|
| 229 |
|
|
| 230 |
< |
initrholo() /* get our holodeck running */ |
| 230 |
> |
static void |
| 231 |
> |
initrholo(void) /* get our holodeck running */ |
| 232 |
|
{ |
| 233 |
|
extern int global_packet(); |
| 234 |
|
register int i; |
| 241 |
|
init_global(); |
| 242 |
|
/* record disk space limit */ |
| 243 |
|
if (!vdef(DISKSPACE)) |
| 244 |
< |
maxdisk = 0; |
| 244 |
> |
maxdisk = ((off_t)1<<(sizeof(off_t)*8-2)) - 1024; |
| 245 |
|
else |
| 246 |
|
maxdisk = 1024.*1024.*vflt(DISKSPACE); |
| 200 |
– |
/* record end time */ |
| 201 |
– |
if (!vdef(TIME) || vflt(TIME) <= FTINY) |
| 202 |
– |
endtime = 0; |
| 203 |
– |
else |
| 204 |
– |
endtime = starttime + vflt(TIME)*3600. + .5; |
| 247 |
|
/* set up memory cache */ |
| 248 |
|
if (outdev == NULL) |
| 249 |
< |
hdcachesize = 0; /* manual flushing */ |
| 249 |
> |
hdcachesize = 0; /* manual flushing */ |
| 250 |
|
else if (vdef(CACHE)) |
| 251 |
|
hdcachesize = 1024.*1024.*vflt(CACHE); |
| 252 |
|
/* open report file */ |
| 255 |
|
if (*s && freopen(s, "a", stderr) == NULL) |
| 256 |
|
quit(2); |
| 257 |
|
} |
| 258 |
+ |
/* mark the starting time */ |
| 259 |
+ |
starttime = time(NULL); |
| 260 |
+ |
/* compute end time */ |
| 261 |
+ |
if (!vdef(TIME) || vflt(TIME) <= FTINY) |
| 262 |
+ |
endtime = 0; |
| 263 |
+ |
else |
| 264 |
+ |
endtime = starttime + vflt(TIME)*3600. + .5; |
| 265 |
|
/* start rtrace */ |
| 266 |
|
if (ncprocs > 0) { |
| 267 |
< |
i = start_rtrace(); |
| 267 |
> |
totqlen = i = start_rtrace(); |
| 268 |
|
if (i < 1) |
| 269 |
|
error(USER, "cannot start rtrace process(es)"); |
| 270 |
|
if (vdef(REPORT)) { /* make first report */ |
| 293 |
|
} |
| 294 |
|
/* set up signal handling */ |
| 295 |
|
sigdie(SIGINT, "Interrupt"); |
| 247 |
– |
sigdie(SIGHUP, "Hangup"); |
| 296 |
|
sigdie(SIGTERM, "Terminate"); |
| 297 |
+ |
#ifdef SIGHUP |
| 298 |
+ |
sigdie(SIGHUP, "Hangup"); |
| 299 |
+ |
#endif |
| 300 |
+ |
#ifdef SIGPIPE |
| 301 |
|
sigdie(SIGPIPE, "Broken pipe"); |
| 302 |
+ |
#endif |
| 303 |
+ |
#ifdef SIGALRM |
| 304 |
|
sigdie(SIGALRM, "Alarm clock"); |
| 305 |
+ |
#endif |
| 306 |
|
#ifdef SIGXCPU |
| 307 |
|
sigdie(SIGXCPU, "CPU limit exceeded"); |
| 308 |
+ |
#endif |
| 309 |
+ |
#ifdef SIGXFSZ |
| 310 |
|
sigdie(SIGXFSZ, "File size exceeded"); |
| 311 |
|
#endif |
| 312 |
< |
/* protect holodeck file */ |
| 313 |
< |
orig_mode = resfmode(hdlist[0]->fd, ncprocs>0 ? 0 : 0444); |
| 312 |
> |
/* protect holodeck file */ |
| 313 |
> |
orig_mode = resfmode(hdlist[0]->fd, (ncprocs>0) & (force>=0) ? 0 : 0444); |
| 314 |
|
return; |
| 315 |
|
memerr: |
| 316 |
|
error(SYSTEM, "out of memory in initrholo"); |
| 317 |
|
} |
| 318 |
|
|
| 319 |
|
|
| 320 |
< |
rholo() /* holodeck main loop */ |
| 320 |
> |
static int |
| 321 |
> |
rholo(void) /* holodeck main loop */ |
| 322 |
|
{ |
| 323 |
< |
static int idle = 1; |
| 323 |
> |
static long nextfragwarn = 100*(1L<<20); |
| 324 |
> |
static int idle = 0; |
| 325 |
|
PACKET *pl = NULL, *plend; |
| 326 |
+ |
off_t fsiz; |
| 327 |
+ |
int pksiz; |
| 328 |
|
register PACKET *p; |
| 329 |
|
time_t t; |
| 330 |
< |
long l; |
| 331 |
< |
|
| 271 |
< |
if (outdev != NULL) /* check display */ |
| 272 |
< |
if (!disp_check(idle)) |
| 273 |
< |
return(0); |
| 274 |
< |
/* display only? */ |
| 275 |
< |
if (nprocs <= 0) { |
| 330 |
> |
/* check display */ |
| 331 |
> |
if (nprocs <= 0) |
| 332 |
|
idle = 1; |
| 333 |
< |
return(outdev != NULL); |
| 334 |
< |
} |
| 335 |
< |
/* check file size */ |
| 336 |
< |
if (maxdisk > 0 && hdfilen(hdlist[0]->fd) >= maxdisk) { |
| 333 |
> |
if (outdev != NULL) { |
| 334 |
> |
if (!disp_check(idle)) |
| 335 |
> |
return(0); /* quit request */ |
| 336 |
> |
if (nprocs <= 0) |
| 337 |
> |
return(1); |
| 338 |
> |
} else if (idle) |
| 339 |
> |
return(0); /* all done */ |
| 340 |
> |
fsiz = hdfilen(hdlist[0]->fd); /* check file size */ |
| 341 |
> |
if (maxdisk > 0 && fsiz >= maxdisk) { |
| 342 |
|
error(WARNING, "file limit exceeded"); |
| 343 |
|
done_rtrace(); |
| 344 |
|
return(1); /* comes back */ |
| 345 |
|
} |
| 346 |
< |
/* check time */ |
| 347 |
< |
if (endtime > 0 || reporttime > 0) |
| 348 |
< |
t = time(NULL); |
| 346 |
> |
#if FRAGWARN |
| 347 |
> |
if (fsiz >= nextfragwarn && |
| 348 |
> |
(fsiz-hdfiluse(hdlist[0]->fd,0))/(fsiz/100) > FRAGWARN) { |
| 349 |
> |
sprintf(errmsg, "holodeck file fragmentation is %.0f%%", |
| 350 |
> |
100.*(fsiz-hdfiluse(hdlist[0]->fd,1))/fsiz); |
| 351 |
> |
error(WARNING, errmsg); |
| 352 |
> |
nextfragwarn = fsiz + (fsiz>>2); /* decent interval */ |
| 353 |
> |
} |
| 354 |
> |
#endif |
| 355 |
> |
t = time(NULL); /* check time */ |
| 356 |
|
if (endtime > 0 && t >= endtime) { |
| 357 |
|
error(WARNING, "time limit exceeded"); |
| 358 |
|
done_rtrace(); |
| 360 |
|
} |
| 361 |
|
if (reporttime > 0 && t >= reporttime) |
| 362 |
|
report(t); |
| 363 |
+ |
/* figure out good packet size */ |
| 364 |
+ |
pksiz = RPACKSIZ; |
| 365 |
+ |
#if MAXQTIME |
| 366 |
+ |
if (!chunkycmp) { |
| 367 |
+ |
pksiz = nraysdone*MAXQTIME/(totqlen*(t - starttime + 1L)); |
| 368 |
+ |
if (pksiz < 1) pksiz = 1; |
| 369 |
+ |
else if (pksiz > RPACKSIZ) pksiz = RPACKSIZ; |
| 370 |
+ |
} |
| 371 |
+ |
#endif |
| 372 |
|
idle = 0; /* get packets to process */ |
| 373 |
|
while (freepacks != NULL) { |
| 374 |
|
p = freepacks; freepacks = p->next; p->next = NULL; |
| 375 |
< |
if (!next_packet(p)) { |
| 375 |
> |
if (!next_packet(p, pksiz)) { |
| 376 |
|
p->next = freepacks; freepacks = p; |
| 377 |
|
idle = 1; |
| 378 |
|
break; |
| 387 |
|
} |
| 388 |
|
|
| 389 |
|
|
| 390 |
< |
setdefaults(gp) /* set default values */ |
| 391 |
< |
register HDGRID *gp; |
| 390 |
> |
static void |
| 391 |
> |
setdefaults( /* set default values */ |
| 392 |
> |
register HDGRID *gp |
| 393 |
> |
) |
| 394 |
|
{ |
| 395 |
|
extern char *atos(); |
| 396 |
|
register int i; |
| 397 |
< |
double len[3], maxlen, d; |
| 398 |
< |
char buf[64]; |
| 397 |
> |
int n; |
| 398 |
> |
double len[3], d; |
| 399 |
|
|
| 400 |
|
if (!vdef(SECTION)) { |
| 401 |
|
sprintf(errmsg, "%s must be defined", vnam(SECTION)); |
| 402 |
|
error(USER, errmsg); |
| 403 |
|
} |
| 325 |
– |
if (vdef(SECTION) > 1) { |
| 326 |
– |
sprintf(errmsg, "ignoring all but first %s", vnam(SECTION)); |
| 327 |
– |
error(WARNING, errmsg); |
| 328 |
– |
} |
| 404 |
|
if (!vdef(OCTREE)) { |
| 405 |
|
if ((vval(OCTREE) = bmalloc(strlen(froot)+5)) == NULL) |
| 406 |
|
error(SYSTEM, "out of memory"); |
| 418 |
|
if (gp == NULL) /* already initialized? */ |
| 419 |
|
return; |
| 420 |
|
/* set grid parameters */ |
| 421 |
< |
gp->grid[0] = gp->grid[1] = gp->grid[2] = 0; |
| 422 |
< |
if (sscanf(vval(SECTION), |
| 421 |
> |
for (n = 0; n < vdef(SECTION); n++, gp++) { |
| 422 |
> |
gp->grid[0] = gp->grid[1] = gp->grid[2] = 0; |
| 423 |
> |
if (sscanf(nvalue(SECTION, n), |
| 424 |
|
"%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %hd %hd %hd", |
| 425 |
< |
&gp->orig[0], &gp->orig[1], &gp->orig[2], |
| 426 |
< |
&gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2], |
| 427 |
< |
&gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2], |
| 428 |
< |
&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2], |
| 429 |
< |
&gp->grid[0], &gp->grid[1], &gp->grid[2]) < 12) |
| 430 |
< |
badvalue(SECTION); |
| 431 |
< |
maxlen = 0.; |
| 432 |
< |
for (i = 0; i < 3; i++) |
| 433 |
< |
if ((len[i] = VLEN(gp->xv[i])) > maxlen) |
| 434 |
< |
maxlen = len[i]; |
| 435 |
< |
if (!vdef(GRID)) { |
| 436 |
< |
sprintf(buf, "%.4f", maxlen/8.); |
| 437 |
< |
vval(GRID) = savqstr(buf); |
| 438 |
< |
vdef(GRID)++; |
| 425 |
> |
&gp->orig[0], &gp->orig[1], &gp->orig[2], |
| 426 |
> |
&gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2], |
| 427 |
> |
&gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2], |
| 428 |
> |
&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2], |
| 429 |
> |
&gp->grid[0], &gp->grid[1], &gp->grid[2]) < 12) |
| 430 |
> |
badvalue(SECTION); |
| 431 |
> |
for (i = 0; i < 3; i++) |
| 432 |
> |
len[i] = VLEN(gp->xv[i]); |
| 433 |
> |
if (!vdef(GRID)) { |
| 434 |
> |
d = 2/2e5*( len[0]*len[0]*(len[1]*len[1] + |
| 435 |
> |
len[2]*len[2] + 4*len[1]*len[2]) |
| 436 |
> |
+ len[1]*len[1]*len[2]*(len[2] + 4*len[0]) |
| 437 |
> |
+ 4*len[0]*len[1]*len[2]*len[2] ); |
| 438 |
> |
d = sqrt(sqrt(d)); |
| 439 |
> |
} else if ((d = vflt(GRID)) <= FTINY) |
| 440 |
> |
badvalue(GRID); |
| 441 |
> |
for (i = 0; i < 3; i++) |
| 442 |
> |
if (gp->grid[i] <= 0) |
| 443 |
> |
gp->grid[i] = len[i]/d + (1.-FTINY); |
| 444 |
|
} |
| 364 |
– |
if ((d = vflt(GRID)) <= FTINY) |
| 365 |
– |
badvalue(GRID); |
| 366 |
– |
for (i = 0; i < 3; i++) |
| 367 |
– |
if (gp->grid[i] <= 0) |
| 368 |
– |
gp->grid[i] = len[i]/d + (1.-FTINY); |
| 445 |
|
} |
| 446 |
|
|
| 447 |
|
|
| 448 |
< |
creatholo(gp) /* create a holodeck output file */ |
| 449 |
< |
HDGRID *gp; |
| 448 |
> |
static void |
| 449 |
> |
creatholo( /* create a holodeck output file */ |
| 450 |
> |
HDGRID *gp |
| 451 |
> |
) |
| 452 |
|
{ |
| 453 |
|
extern char VersionID[]; |
| 454 |
< |
long endloc = 0; |
| 454 |
> |
int32 lastloc, nextloc; |
| 455 |
> |
int n; |
| 456 |
|
int fd; |
| 457 |
|
FILE *fp; |
| 458 |
|
/* open & truncate file */ |
| 466 |
|
printvars(fp); |
| 467 |
|
fputformat(HOLOFMT, fp); |
| 468 |
|
fputc('\n', fp); |
| 469 |
< |
putw(HOLOMAGIC, fp); /* put magic number & terminus */ |
| 391 |
< |
fwrite(&endloc, sizeof(long), 1, fp); |
| 469 |
> |
putw(HOLOMAGIC, fp); /* put magic number */ |
| 470 |
|
fd = dup(fileno(fp)); |
| 471 |
|
fclose(fp); /* flush and close stdio stream */ |
| 472 |
< |
hdinit(fd, gp); /* allocate and initialize index */ |
| 472 |
> |
lastloc = lseek(fd, (off_t)0, SEEK_END); |
| 473 |
> |
for (n = vdef(SECTION); n--; gp++) { /* initialize each section */ |
| 474 |
> |
nextloc = 0L; |
| 475 |
> |
write(fd, (char *)&nextloc, sizeof(nextloc)); |
| 476 |
> |
hdinit(fd, gp); /* writes beam index */ |
| 477 |
> |
if (!n) |
| 478 |
> |
break; |
| 479 |
> |
nextloc = hdfilen(fd); /* write section pointer */ |
| 480 |
> |
if (lseek(fd, (off_t)lastloc, SEEK_SET) < 0) |
| 481 |
> |
error(SYSTEM, |
| 482 |
> |
"cannot seek on holodeck file in creatholo"); |
| 483 |
> |
write(fd, (char *)&nextloc, sizeof(nextloc)); |
| 484 |
> |
lseek(fd, (off_t)(lastloc=nextloc), SEEK_SET); |
| 485 |
> |
} |
| 486 |
|
} |
| 487 |
|
|
| 488 |
|
|
| 489 |
< |
headline(s) /* process information header line */ |
| 490 |
< |
char *s; |
| 489 |
> |
static int |
| 490 |
> |
headline( /* process information header line */ |
| 491 |
> |
char *s, |
| 492 |
> |
void *p |
| 493 |
> |
) |
| 494 |
|
{ |
| 495 |
|
extern char FMTSTR[]; |
| 496 |
|
register char *cp; |
| 502 |
|
HOLOFMT, hdkfile, FMTSTR, fmt); |
| 503 |
|
error(USER, errmsg); |
| 504 |
|
} |
| 505 |
< |
return; |
| 505 |
> |
return(0); |
| 506 |
|
} |
| 507 |
|
for (cp = s; *cp; cp++) /* take off any comments */ |
| 508 |
|
if (*cp == '#') { |
| 510 |
|
break; |
| 511 |
|
} |
| 512 |
|
setvariable(s, matchvar); /* don't flag errors */ |
| 513 |
+ |
return(0); |
| 514 |
|
} |
| 515 |
|
|
| 516 |
|
|
| 517 |
< |
loadholo() /* start loading a holodeck from fname */ |
| 517 |
> |
static void |
| 518 |
> |
loadholo(void) /* start loading a holodeck from fname */ |
| 519 |
|
{ |
| 424 |
– |
extern long ftell(); |
| 520 |
|
FILE *fp; |
| 521 |
|
int fd; |
| 522 |
< |
long fpos; |
| 523 |
< |
/* open holodeck file */ |
| 524 |
< |
if ((fp = fopen(hdkfile, ncprocs>0 ? "r+" : "r")) == NULL) { |
| 525 |
< |
sprintf(errmsg, "cannot open \"%s\" for %s", hdkfile, |
| 526 |
< |
ncprocs>0 ? "appending" : "reading"); |
| 527 |
< |
error(SYSTEM, errmsg); |
| 522 |
> |
int n; |
| 523 |
> |
int32 nextloc; |
| 524 |
> |
|
| 525 |
> |
if ((ncprocs > 0) & (force >= 0)) |
| 526 |
> |
fp = fopen(hdkfile, "r+"); |
| 527 |
> |
else |
| 528 |
> |
fp = NULL; |
| 529 |
> |
if (fp == NULL) { |
| 530 |
> |
if ((fp = fopen(hdkfile, "r")) == NULL) { |
| 531 |
> |
sprintf(errmsg, "cannot open \"%s\"", hdkfile); |
| 532 |
> |
error(SYSTEM, errmsg); |
| 533 |
> |
} |
| 534 |
> |
if (ncprocs > 0) { |
| 535 |
> |
sprintf(errmsg, |
| 536 |
> |
"\"%s\" opened read-only; new rays will be discarded", |
| 537 |
> |
hdkfile); |
| 538 |
> |
error(WARNING, errmsg); |
| 539 |
> |
force = -1; |
| 540 |
> |
} |
| 541 |
|
} |
| 542 |
|
/* load variables from header */ |
| 543 |
|
getheader(fp, headline, NULL); |
| 547 |
|
hdkfile); |
| 548 |
|
error(USER, errmsg); |
| 549 |
|
} |
| 550 |
< |
fread(&fpos, sizeof(long), 1, fp); |
| 443 |
< |
if (fpos != 0) |
| 444 |
< |
error(WARNING, "ignoring multiple sections in holodeck file"); |
| 445 |
< |
fpos = ftell(fp); /* get stdio position */ |
| 550 |
> |
nextloc = ftell(fp); /* get stdio position */ |
| 551 |
|
fd = dup(fileno(fp)); |
| 552 |
|
fclose(fp); /* done with stdio */ |
| 553 |
< |
lseek(fd, fpos, 0); /* align system file pointer */ |
| 554 |
< |
hdinit(fd, NULL); /* allocate and load index */ |
| 553 |
> |
for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
| 554 |
> |
lseek(fd, (off_t)nextloc, SEEK_SET); |
| 555 |
> |
read(fd, (char *)&nextloc, sizeof(nextloc)); |
| 556 |
> |
hdinit(fd, NULL); |
| 557 |
> |
} |
| 558 |
> |
if (n != vdef(SECTION)) { |
| 559 |
> |
sprintf(errmsg, "number of sections does not match %s setting", |
| 560 |
> |
vnam(SECTION)); |
| 561 |
> |
error(WARNING, errmsg); |
| 562 |
> |
} |
| 563 |
|
} |
| 564 |
|
|
| 565 |
|
|
| 566 |
< |
done_packets(pl) /* handle finished packets */ |
| 567 |
< |
PACKET *pl; |
| 566 |
> |
extern void |
| 567 |
> |
done_packets( /* handle finished packets */ |
| 568 |
> |
PACKET *pl |
| 569 |
> |
) |
| 570 |
|
{ |
| 571 |
|
static int n2flush = 0; |
| 572 |
|
register PACKET *p; |
| 574 |
|
while (pl != NULL) { |
| 575 |
|
p = pl; pl = p->next; p->next = NULL; |
| 576 |
|
if (p->nr > 0) { /* add to holodeck */ |
| 577 |
< |
bcopy((char *)p->ra, |
| 578 |
< |
(char *)hdnewrays(hdlist[p->hd],p->bi,p->nr), |
| 577 |
> |
memcpy( (void *)hdnewrays(hdlist[p->hd],p->bi,p->nr), |
| 578 |
> |
(void *)p->ra, |
| 579 |
|
p->nr*sizeof(RAYVAL)); |
| 580 |
|
if (outdev != NULL) /* display it */ |
| 581 |
|
disp_packet((PACKHEAD *)p); |
| 582 |
< |
if (hdcachesize <= 0) /* manual flushing */ |
| 583 |
< |
n2flush += p->nr; |
| 582 |
> |
if (hdcachesize <= 0) |
| 583 |
> |
n2flush++; |
| 584 |
|
nraysdone += p->nr; |
| 585 |
|
npacksdone++; |
| 586 |
+ |
p->nr = 0; |
| 587 |
|
} |
| 588 |
< |
p->nr = 0; /* push onto free list */ |
| 473 |
< |
p->next = freepacks; |
| 588 |
> |
p->next = freepacks; /* push onto free list */ |
| 589 |
|
freepacks = p; |
| 590 |
|
} |
| 591 |
< |
if (n2flush > 512*RPACKSIZ*nprocs) { |
| 592 |
< |
hdflush(NULL); /* flush holodeck buffers */ |
| 591 |
> |
if (n2flush >= RTFLUSH) { |
| 592 |
> |
if (outdev != NULL) |
| 593 |
> |
hdsync(NULL, 1); |
| 594 |
> |
else |
| 595 |
> |
hdflush(NULL); |
| 596 |
|
n2flush = 0; |
| 597 |
|
} |
| 598 |
|
} |
| 599 |
|
|
| 600 |
|
|
| 601 |
< |
rootname(rn, fn) /* remove tail from end of fn */ |
| 602 |
< |
register char *rn, *fn; |
| 601 |
> |
static void |
| 602 |
> |
rootname( /* remove tail from end of fn */ |
| 603 |
> |
register char *rn, |
| 604 |
> |
register char *fn |
| 605 |
> |
) |
| 606 |
|
{ |
| 607 |
|
char *tp, *dp; |
| 608 |
|
|
| 609 |
< |
for (tp = NULL, dp = rn; *rn = *fn++; rn++) |
| 609 |
> |
for (tp = NULL, dp = rn; (*rn = *fn++); rn++) { |
| 610 |
|
if (*rn == '/') |
| 611 |
|
dp = rn; |
| 612 |
|
else if (*rn == '.') |
| 613 |
|
tp = rn; |
| 614 |
+ |
} |
| 615 |
|
if (tp != NULL && tp > dp) |
| 616 |
|
*tp = '\0'; |
| 617 |
|
} |
| 618 |
|
|
| 619 |
|
|
| 620 |
< |
badvalue(vc) /* report bad variable value and exit */ |
| 621 |
< |
int vc; |
| 620 |
> |
static void |
| 621 |
> |
badvalue( /* report bad variable value and exit */ |
| 622 |
> |
int vc |
| 623 |
> |
) |
| 624 |
|
{ |
| 625 |
|
sprintf(errmsg, "bad value for variable '%s'", vnam(vc)); |
| 626 |
|
error(USER, errmsg); |
| 627 |
|
} |
| 628 |
|
|
| 629 |
|
|
| 630 |
+ |
void |
| 631 |
|
eputs(s) /* put error message to stderr */ |
| 632 |
|
register char *s; |
| 633 |
|
{ |
| 647 |
|
} |
| 648 |
|
|
| 649 |
|
|
| 650 |
< |
wputs(s) /* put warning string to stderr */ |
| 526 |
< |
char *s; |
| 527 |
< |
{ |
| 528 |
< |
if (!nowarn) |
| 529 |
< |
eputs(s); |
| 530 |
< |
} |
| 531 |
< |
|
| 532 |
< |
|
| 650 |
> |
void |
| 651 |
|
quit(ec) /* exit program gracefully */ |
| 652 |
|
int ec; |
| 653 |
|
{ |
| 656 |
|
if (hdlist[0] != NULL) { /* close holodeck */ |
| 657 |
|
if (nprocs > 0) |
| 658 |
|
status = done_rtrace(); /* calls hdsync() */ |
| 659 |
< |
if (ncprocs > 0 && vdef(REPORT)) { |
| 660 |
< |
long fsiz, fuse; |
| 659 |
> |
if ((ncprocs > 0) & (force >= 0) && vdef(REPORT)) { |
| 660 |
> |
off_t fsiz, fuse; |
| 661 |
|
fsiz = hdfilen(hdlist[0]->fd); |
| 662 |
|
fuse = hdfiluse(hdlist[0]->fd, 1); |
| 663 |
|
fprintf(stderr, |
