| 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" | 
| 13 | < | #include "paths.h" | 
| 8 | > | #include <stdio.h> | 
| 9 | > | #include <time.h> | 
| 10 |  | #include <signal.h> | 
| 15 | – | #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        3               /* 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 |  |  | 
| 38 |  |  | 
| 39 |  | char    *progname;              /* our program name */ | 
| 40 |  | char    *hdkfile;               /* holodeck file name */ | 
| 41 | < | char    froot[MAXPATH];         /* root file name */ | 
| 41 | > | char    froot[256];             /* root file name */ | 
| 42 |  |  | 
| 27 | – | int     nowarn = 0;             /* turn warnings off? */ | 
| 28 | – |  | 
| 29 | – | double  expval = 1.;            /* global exposure value */ | 
| 30 | – |  | 
| 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 (-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 |  | { | 
| 60 | – | HDGRID  hdg; | 
| 91 |  | int     i; | 
| 92 | < | int     force = 0; | 
| 63 | < | /* mark start time */ | 
| 64 | < | starttime = time(NULL); | 
| 65 | < | initurand(10240);                       /* initialize urand */ | 
| 92 | > |  | 
| 93 |  | progname = argv[0];                     /* get arguments */ | 
| 94 |  | for (i = 1; i < argc && argv[i][0] == '-'; i++) | 
| 95 |  | switch (argv[i][1]) { | 
| 97 |  | nowarn++; | 
| 98 |  | break; | 
| 99 |  | case 'f':                       /* force overwrite */ | 
| 100 | < | force++; | 
| 100 | > | force = 1; | 
| 101 |  | break; | 
| 102 | + | case 'r':                       /* read-only mode */ | 
| 103 | + | force = -1; | 
| 104 | + | break; | 
| 105 | + | case 'i':                       /* read input from stdin */ | 
| 106 | + | readinp++; | 
| 107 | + | break; | 
| 108 |  | case 'n':                       /* compute processes */ | 
| 109 |  | if (i >= argc-2) | 
| 110 |  | goto userr; | 
| 118 |  | default: | 
| 119 |  | goto userr; | 
| 120 |  | } | 
| 88 | – | /* do we have a job? */ | 
| 89 | – | if (outdev == NULL && ncprocs <= 0) | 
| 90 | – | goto userr; | 
| 121 |  | /* get root file name */ | 
| 122 | + | if (i >= argc) | 
| 123 | + | goto userr; | 
| 124 |  | rootname(froot, hdkfile=argv[i++]); | 
| 125 | < | /* load... */ | 
| 126 | < | if (i < argc) {                         /* variables */ | 
| 127 | < | loadvars(argv[i++]); | 
| 128 | < | /* cmdline settings */ | 
| 129 | < | for ( ; i < argc; i++) | 
| 130 | < | if (setvariable(argv[i], matchvar) < 0) { | 
| 131 | < | sprintf(errmsg, "unknown variable: %s", | 
| 132 | < | argv[i]); | 
| 133 | < | error(USER, errmsg); | 
| 134 | < | } | 
| 135 | < | /* check settings */ | 
| 136 | < | checkvalues(); | 
| 137 | < | /* load RIF if any */ | 
| 138 | < | if (vdef(RIF)) | 
| 139 | < | getradfile(vval(RIF)); | 
| 125 | > | /* load variables? */ | 
| 126 | > | if (i < argc) | 
| 127 | > | if (argv[i][0] != '-' && argv[i][0] != '+') | 
| 128 | > | loadvars(argv[i]);      /* load variables from file */ | 
| 129 | > |  | 
| 130 | > | if (i >= argc || argv[i][0] == '+') | 
| 131 | > | loadholo();                     /* load existing holodeck */ | 
| 132 | > |  | 
| 133 | > | while (++i < argc)                      /* get command line settings */ | 
| 134 | > | if (setvariable(argv[i], matchvar) < 0) { | 
| 135 | > | sprintf(errmsg, "unknown variable: %s", argv[i]); | 
| 136 | > | error(USER, errmsg); | 
| 137 | > | } | 
| 138 | > | /* check settings */ | 
| 139 | > | checkvalues(); | 
| 140 | > | /* load rad input file */ | 
| 141 | > | getradfile(); | 
| 142 | > |  | 
| 143 | > | if (hdlist[0] == NULL) {                /* create new holodeck */ | 
| 144 | > | HDGRID  hdg[HDMAX]; | 
| 145 |  | /* set defaults */ | 
| 146 | < | setdefaults(&hdg); | 
| 146 | > | setdefaults(hdg); | 
| 147 | > | /* check read-only */ | 
| 148 | > | if (force < 0) | 
| 149 | > | error(USER, "cannot create read-only holodeck"); | 
| 150 |  | /* holodeck exists? */ | 
| 151 |  | if (!force && access(hdkfile, R_OK|W_OK) == 0) | 
| 152 |  | error(USER, | 
| 153 |  | "holodeck file exists -- use -f to overwrite"); | 
| 154 |  | /* create holodeck */ | 
| 155 | < | creatholo(&hdg); | 
| 156 | < | } else {                                /* else load holodeck */ | 
| 157 | < | loadholo(); | 
| 118 | < | if (vdef(RIF))                          /* load RIF if any */ | 
| 119 | < | getradfile(vval(RIF)); | 
| 120 | < | } | 
| 155 | > | creatholo(hdg); | 
| 156 | > | } else                                  /* else just set defaults */ | 
| 157 | > | setdefaults(NULL); | 
| 158 |  | /* initialize */ | 
| 159 |  | initrholo(); | 
| 160 | < | /* run */ | 
| 160 | > | /* main loop */ | 
| 161 |  | while (rholo()) | 
| 162 |  | ; | 
| 163 |  | /* done */ | 
| 164 |  | quit(0); | 
| 165 |  | userr: | 
| 166 |  | fprintf(stderr, | 
| 167 | < | "Usage: %s {-n nprocs|-o disp} [-w][-f] output.hdk [control.hif [VAR=val ..]]\n", | 
| 167 | > | "Usage: %s [-n nprocs][-o disp][-i][-w][-r|-f] output.hdk [control.hif|+|- [VAR=val ..]]\n", | 
| 168 |  | progname); | 
| 169 |  | quit(1); | 
| 170 | + | return 1; /* pro forma return */ | 
| 171 |  | } | 
| 172 |  |  | 
| 173 |  |  | 
| 174 | < | onsig(signo)                            /* fatal signal */ | 
| 175 | < | int  signo; | 
| 174 | > | static void | 
| 175 | > | onsig(                          /* fatal signal */ | 
| 176 | > | int  signo | 
| 177 | > | ) | 
| 178 |  | { | 
| 179 |  | static int  gotsig = 0; | 
| 180 |  |  | 
| 181 | < | if (gotsig++)                   /* two signals and we're gone! */ | 
| 181 | > | if (gotsig > 1)                 /* we're going as fast as we can! */ | 
| 182 | > | return; | 
| 183 | > | if (gotsig++) {                 /* two signals and we split */ | 
| 184 | > | hdsync(NULL, 0);        /* don't leave w/o saying goodbye */ | 
| 185 |  | _exit(signo); | 
| 186 | < |  | 
| 187 | < | alarm(30);                      /* allow 30 seconds to clean up */ | 
| 145 | < | signal(SIGALRM, SIG_DFL);       /* make certain we do die */ | 
| 186 | > | } | 
| 187 | > | alarm(300);                     /* allow 5 minutes to clean up */ | 
| 188 |  | eputs("signal - "); | 
| 189 |  | eputs(sigerr[signo]); | 
| 190 |  | eputs("\n"); | 
| 192 |  | } | 
| 193 |  |  | 
| 194 |  |  | 
| 195 | < | sigdie(signo, msg)                      /* set fatal signal */ | 
| 196 | < | int  signo; | 
| 197 | < | char  *msg; | 
| 195 | > | static void | 
| 196 | > | sigdie(                 /* set fatal signal */ | 
| 197 | > | int  signo, | 
| 198 | > | char  *msg | 
| 199 | > | ) | 
| 200 |  | { | 
| 201 |  | if (signal(signo, onsig) == SIG_IGN) | 
| 202 |  | signal(signo, SIG_IGN); | 
| 204 |  | } | 
| 205 |  |  | 
| 206 |  |  | 
| 207 | < | int | 
| 208 | < | resfmode(fd, mod)               /* restrict open file access mode */ | 
| 209 | < | int     fd, mod; | 
| 207 | > | static int | 
| 208 | > | resfmode(               /* restrict open file access mode */ | 
| 209 | > | int     fd, | 
| 210 | > | int     mod | 
| 211 | > | ) | 
| 212 |  | { | 
| 213 |  | struct stat     stbuf; | 
| 214 |  | /* get original mode */ | 
| 215 |  | if (fstat(fd, &stbuf) < 0) | 
| 216 |  | error(SYSTEM, "cannot stat open holodeck file"); | 
| 217 |  | mod &= stbuf.st_mode;           /* always more restrictive */ | 
| 218 | < | if (mod == stbuf.st_mode) | 
| 218 | > | if (mod == (stbuf.st_mode & 0777)) | 
| 219 |  | return(-1);             /* already set */ | 
| 220 |  | /* else change it */ | 
| 221 |  | if (fchmod(fd, mod) < 0) { | 
| 226 |  | } | 
| 227 |  |  | 
| 228 |  |  | 
| 229 | < | initrholo()                     /* get our holodeck running */ | 
| 229 | > | static void | 
| 230 | > | initrholo(void)                 /* get our holodeck running */ | 
| 231 |  | { | 
| 232 |  | extern int      global_packet(); | 
| 233 |  | register int    i; | 
| 234 | + | /* close holodeck on exec() */ | 
| 235 | + | fcntl(hdlist[0]->fd, F_SETFD, FD_CLOEXEC); | 
| 236 |  |  | 
| 237 |  | if (outdev != NULL)                     /* open output device */ | 
| 238 |  | disp_open(outdev); | 
| 240 |  | init_global(); | 
| 241 |  | /* record disk space limit */ | 
| 242 |  | if (!vdef(DISKSPACE)) | 
| 243 | < | maxdisk = 0; | 
| 243 | > | maxdisk = ((off_t)1<<(sizeof(off_t)*8-2)) - 1024; | 
| 244 |  | else | 
| 245 |  | maxdisk = 1024.*1024.*vflt(DISKSPACE); | 
| 197 | – | /* record end time */ | 
| 198 | – | if (!vdef(TIME) || vflt(TIME) <= FTINY) | 
| 199 | – | endtime = 0; | 
| 200 | – | else | 
| 201 | – | endtime = starttime + vflt(TIME)*3600.; | 
| 246 |  | /* set up memory cache */ | 
| 247 |  | if (outdev == NULL) | 
| 248 | < | hdcachesize = 0;        /* manual flushing */ | 
| 248 | > | hdcachesize = 0;                /* manual flushing */ | 
| 249 |  | else if (vdef(CACHE)) | 
| 250 |  | hdcachesize = 1024.*1024.*vflt(CACHE); | 
| 251 |  | /* open report file */ | 
| 254 |  | if (*s && freopen(s, "a", stderr) == NULL) | 
| 255 |  | quit(2); | 
| 256 |  | } | 
| 257 | + | /* mark the starting time */ | 
| 258 | + | starttime = time(NULL); | 
| 259 | + | /* compute end time */ | 
| 260 | + | if (!vdef(TIME) || vflt(TIME) <= FTINY) | 
| 261 | + | endtime = 0; | 
| 262 | + | else | 
| 263 | + | endtime = starttime + vflt(TIME)*3600. + .5; | 
| 264 |  | /* start rtrace */ | 
| 265 |  | if (ncprocs > 0) { | 
| 266 | < | i = start_rtrace(); | 
| 266 | > | totqlen = i = start_rtrace(); | 
| 267 |  | if (i < 1) | 
| 268 | < | error(USER, "cannot start rtrace process"); | 
| 268 | > | error(USER, "cannot start rtrace process(es)"); | 
| 269 |  | if (vdef(REPORT)) {             /* make first report */ | 
| 270 |  | printargs(rtargc, rtargv, stderr); | 
| 271 |  | report(0); | 
| 276 |  | goto memerr; | 
| 277 |  | freepacks[--i].nr = 0; | 
| 278 |  | freepacks[i].next = NULL; | 
| 279 | < | if (!vbool(OBSTRUCTIONS)) { | 
| 279 | > | if (!vdef(OBSTRUCTIONS) || !vbool(OBSTRUCTIONS)) { | 
| 280 |  | freepacks[i].offset = (float *)bmalloc( | 
| 281 |  | RPACKSIZ*sizeof(float)*(i+1) ); | 
| 282 |  | if (freepacks[i].offset == NULL) | 
| 292 |  | } | 
| 293 |  | /* set up signal handling */ | 
| 294 |  | sigdie(SIGINT, "Interrupt"); | 
| 244 | – | sigdie(SIGHUP, "Hangup"); | 
| 295 |  | sigdie(SIGTERM, "Terminate"); | 
| 296 | + | #ifdef SIGHUP | 
| 297 | + | sigdie(SIGHUP, "Hangup"); | 
| 298 | + | #endif | 
| 299 | + | #ifdef SIGPIPE | 
| 300 |  | sigdie(SIGPIPE, "Broken pipe"); | 
| 301 | + | #endif | 
| 302 | + | #ifdef SIGALRM | 
| 303 |  | sigdie(SIGALRM, "Alarm clock"); | 
| 304 | + | #endif | 
| 305 |  | #ifdef  SIGXCPU | 
| 306 |  | sigdie(SIGXCPU, "CPU limit exceeded"); | 
| 307 | + | #endif | 
| 308 | + | #ifdef  SIGXFSZ | 
| 309 |  | sigdie(SIGXFSZ, "File size exceeded"); | 
| 310 |  | #endif | 
| 311 | < | /* protect holodeck file */ | 
| 312 | < | orig_mode = resfmode(hdlist[0]->fd, ncprocs>0 ? 0 : 0444); | 
| 311 | > | /* protect holodeck file */ | 
| 312 | > | orig_mode = resfmode(hdlist[0]->fd, (ncprocs>0) & (force>=0) ? 0 : 0444); | 
| 313 |  | return; | 
| 314 |  | memerr: | 
| 315 |  | error(SYSTEM, "out of memory in initrholo"); | 
| 316 |  | } | 
| 317 |  |  | 
| 318 |  |  | 
| 319 | < | rholo()                         /* holodeck main loop */ | 
| 319 | > | static int | 
| 320 | > | rholo(void)                             /* holodeck main loop */ | 
| 321 |  | { | 
| 322 | < | static int      idle = 1; | 
| 322 | > | static off_t    nextfragwarn = 100L<<20; | 
| 323 | > | static int      idle = 0; | 
| 324 |  | PACKET  *pl = NULL, *plend; | 
| 325 | + | off_t   fsiz; | 
| 326 | + | int     pksiz; | 
| 327 |  | register PACKET *p; | 
| 328 |  | time_t  t; | 
| 329 | < | long    l; | 
| 330 | < |  | 
| 331 | < | if (outdev != NULL)             /* check display */ | 
| 329 | > | /* check display */ | 
| 330 | > | if (nprocs <= 0) | 
| 331 | > | idle = 1; | 
| 332 | > | if (outdev != NULL) { | 
| 333 |  | if (!disp_check(idle)) | 
| 334 | < | return(0); | 
| 335 | < | /* display only? */ | 
| 336 | < | if (ncprocs <= 0) | 
| 337 | < | return(1); | 
| 338 | < | /* check file size */ | 
| 339 | < | if (maxdisk > 0 && hdfilen(hdlist[0]->fd) >= maxdisk) { | 
| 340 | < | error(WARNING, "file limit exceeded"); | 
| 341 | < | return(0); | 
| 334 | > | return(0);      /* quit request */ | 
| 335 | > | if (nprocs <= 0) | 
| 336 | > | return(1); | 
| 337 | > | } else if (idle) | 
| 338 | > | return(0);              /* all done */ | 
| 339 | > | fsiz = hdfilen(hdlist[0]->fd);  /* check file size */ | 
| 340 | > | if (maxdisk > 0 && fsiz >= maxdisk) { | 
| 341 | > | error(USER, "file limit exceeded"); | 
| 342 | > | done_rtrace(); | 
| 343 | > | return(1);      /* comes back */ | 
| 344 |  | } | 
| 345 | < | /* check time */ | 
| 346 | < | if (endtime > 0 || reporttime > 0) | 
| 347 | < | t = time(NULL); | 
| 345 | > | #if FRAGWARN | 
| 346 | > | if (fsiz >= nextfragwarn) { | 
| 347 | > | double  pctfrag = 100.*(fsiz-hdfiluse(hdlist[0]->fd))/fsiz; | 
| 348 | > | if (pctfrag >= (double)FRAGWARN) { | 
| 349 | > | sprintf(errmsg, "holodeck file fragmentation is %.0f%%", | 
| 350 | > | pctfrag); | 
| 351 | > | error(WARNING, errmsg); | 
| 352 | > | nextfragwarn = fsiz + (fsiz>>2); | 
| 353 | > | } else | 
| 354 | > | nextfragwarn = fsiz + (10L<<20); | 
| 355 | > | } | 
| 356 | > | #endif | 
| 357 | > | t = time(NULL);                 /* check time */ | 
| 358 |  | if (endtime > 0 && t >= endtime) { | 
| 359 | < | error(WARNING, "time limit exceeded"); | 
| 360 | < | return(0); | 
| 359 | > | error(USER, "time limit exceeded"); | 
| 360 | > | done_rtrace(); | 
| 361 | > | return(1);      /* comes back */ | 
| 362 |  | } | 
| 363 |  | if (reporttime > 0 && t >= reporttime) | 
| 364 |  | report(t); | 
| 365 | < | /* get packets to process */ | 
| 365 | > | /* figure out good packet size */ | 
| 366 | > | pksiz = RPACKSIZ; | 
| 367 | > | #if MAXQTIME | 
| 368 | > | if (!chunkycmp) { | 
| 369 | > | pksiz = nraysdone*MAXQTIME/(totqlen*(t - starttime + 1L)); | 
| 370 | > | if (pksiz < 1) pksiz = 1; | 
| 371 | > | else if (pksiz > RPACKSIZ) pksiz = RPACKSIZ; | 
| 372 | > | } | 
| 373 | > | #endif | 
| 374 | > | idle = 0;                       /* get packets to process */ | 
| 375 |  | while (freepacks != NULL) { | 
| 376 |  | p = freepacks; freepacks = p->next; p->next = NULL; | 
| 377 | < | if (!next_packet(p)) { | 
| 377 | > | if (!next_packet(p, pksiz)) { | 
| 378 |  | p->next = freepacks; freepacks = p; | 
| 379 | + | idle = 1; | 
| 380 |  | break; | 
| 381 |  | } | 
| 382 |  | if (pl == NULL) pl = p; | 
| 383 |  | else plend->next = p; | 
| 384 |  | plend = p; | 
| 385 |  | } | 
| 386 | < | idle = pl == NULL && freepacks != NULL; | 
| 300 | < | /* are we out of stuff to do? */ | 
| 301 | < | if (idle && outdev == NULL) | 
| 302 | < | return(0); | 
| 303 | < | /* else process packets */ | 
| 386 | > | /* process packets */ | 
| 387 |  | done_packets(do_packets(pl)); | 
| 388 |  | return(1);                      /* and continue */ | 
| 389 |  | } | 
| 390 |  |  | 
| 391 |  |  | 
| 392 | < | report(t)                       /* report progress so far */ | 
| 393 | < | time_t  t; | 
| 392 | > | static void | 
| 393 | > | setdefaults(                    /* set default values */ | 
| 394 | > | register HDGRID *gp | 
| 395 | > | ) | 
| 396 |  | { | 
| 312 | – | if (t == 0) | 
| 313 | – | t = time(NULL); | 
| 314 | – | fprintf(stderr, "%s: %ld packets (%ld rays) done after %.2f hours\n", | 
| 315 | – | progname, npacksdone, nraysdone, (t-starttime)/3600.); | 
| 316 | – | fflush(stderr); | 
| 317 | – | if (vdef(REPORT)) | 
| 318 | – | reporttime = t + (time_t)(vflt(REPORT)*60.+.5); | 
| 319 | – | } | 
| 320 | – |  | 
| 321 | – |  | 
| 322 | – | setdefaults(gp)                 /* set default values */ | 
| 323 | – | register HDGRID *gp; | 
| 324 | – | { | 
| 397 |  | extern char     *atos(); | 
| 398 |  | register int    i; | 
| 399 | < | double  len[3], maxlen, d; | 
| 400 | < | char    buf[64]; | 
| 399 | > | int     n; | 
| 400 | > | double  len[3], d; | 
| 401 |  |  | 
| 402 |  | if (!vdef(SECTION)) { | 
| 403 |  | sprintf(errmsg, "%s must be defined", vnam(SECTION)); | 
| 404 |  | error(USER, errmsg); | 
| 405 |  | } | 
| 334 | – | if (vdef(SECTION) > 1) { | 
| 335 | – | sprintf(errmsg, "ignoring all but first %s", vnam(SECTION)); | 
| 336 | – | error(WARNING, errmsg); | 
| 337 | – | } | 
| 338 | – | if (sscanf(vval(SECTION), | 
| 339 | – | "%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf", | 
| 340 | – | &gp->orig[0], &gp->orig[1], &gp->orig[2], | 
| 341 | – | &gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2], | 
| 342 | – | &gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2], | 
| 343 | – | &gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2]) != 12) | 
| 344 | – | badvalue(SECTION); | 
| 345 | – | maxlen = 0.; | 
| 346 | – | for (i = 0; i < 3; i++) | 
| 347 | – | if ((len[i] = VLEN(gp->xv[i])) > maxlen) | 
| 348 | – | maxlen = len[i]; | 
| 349 | – | if (!vdef(GRID)) { | 
| 350 | – | sprintf(buf, "%.4f", maxlen/8.); | 
| 351 | – | vval(GRID) = savqstr(buf); | 
| 352 | – | vdef(GRID)++; | 
| 353 | – | } | 
| 354 | – | if ((d = vflt(GRID)) <= FTINY) | 
| 355 | – | badvalue(GRID); | 
| 356 | – | for (i = 0; i < 3; i++) | 
| 357 | – | gp->grid[i] = len[i]/d + (1.-FTINY); | 
| 358 | – | if (!vdef(EXPOSURE)) { | 
| 359 | – | sprintf(errmsg, "%s must be defined", vnam(EXPOSURE)); | 
| 360 | – | error(USER, errmsg); | 
| 361 | – | } | 
| 362 | – | expval = vval(EXPOSURE)[0] == '-' || vval(EXPOSURE)[0] == '+' ? | 
| 363 | – | pow(2., vflt(EXPOSURE)) : vflt(EXPOSURE); | 
| 406 |  | if (!vdef(OCTREE)) { | 
| 407 |  | if ((vval(OCTREE) = bmalloc(strlen(froot)+5)) == NULL) | 
| 408 |  | error(SYSTEM, "out of memory"); | 
| 409 |  | sprintf(vval(OCTREE), "%s.oct", froot); | 
| 410 |  | vdef(OCTREE)++; | 
| 411 |  | } | 
| 370 | – | if (!vdef(OBSTRUCTIONS)) { | 
| 371 | – | vval(OBSTRUCTIONS) = "T"; | 
| 372 | – | vdef(OBSTRUCTIONS)++; | 
| 373 | – | } | 
| 412 |  | if (!vdef(VDIST)) { | 
| 413 |  | vval(VDIST) = "F"; | 
| 414 |  | vdef(VDIST)++; | 
| 415 |  | } | 
| 378 | – | if (!vdef(OCCUPANCY)) { | 
| 379 | – | vval(OCCUPANCY) = "U"; | 
| 380 | – | vdef(OCCUPANCY)++; | 
| 381 | – | } | 
| 416 |  | /* append rendering options */ | 
| 417 |  | if (vdef(RENDER)) | 
| 418 |  | rtargc += wordstring(rtargv+rtargc, vval(RENDER)); | 
| 419 | + |  | 
| 420 | + | if (gp == NULL)         /* already initialized? */ | 
| 421 | + | return; | 
| 422 | + | /* set grid parameters */ | 
| 423 | + | for (n = 0; n < vdef(SECTION); n++, gp++) { | 
| 424 | + | gp->grid[0] = gp->grid[1] = gp->grid[2] = 0; | 
| 425 | + | if (sscanf(nvalue(SECTION, n), | 
| 426 | + | "%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %hd %hd %hd", | 
| 427 | + | &gp->orig[0], &gp->orig[1], &gp->orig[2], | 
| 428 | + | &gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2], | 
| 429 | + | &gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2], | 
| 430 | + | &gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2], | 
| 431 | + | &gp->grid[0], &gp->grid[1], &gp->grid[2]) < 12) | 
| 432 | + | badvalue(SECTION); | 
| 433 | + | for (i = 0; i < 3; i++) | 
| 434 | + | len[i] = VLEN(gp->xv[i]); | 
| 435 | + | if (!vdef(GRID)) { | 
| 436 | + | d = 2/2e5*( len[0]*len[0]*(len[1]*len[1] + | 
| 437 | + | len[2]*len[2] + 4*len[1]*len[2]) | 
| 438 | + | + len[1]*len[1]*len[2]*(len[2] + 4*len[0]) | 
| 439 | + | + 4*len[0]*len[1]*len[2]*len[2] ); | 
| 440 | + | d = sqrt(sqrt(d)); | 
| 441 | + | } else if ((d = vflt(GRID)) <= FTINY) | 
| 442 | + | badvalue(GRID); | 
| 443 | + | for (i = 0; i < 3; i++) | 
| 444 | + | if (gp->grid[i] <= 0) | 
| 445 | + | gp->grid[i] = len[i]/d + (1.-FTINY); | 
| 446 | + | } | 
| 447 |  | } | 
| 448 |  |  | 
| 449 |  |  | 
| 450 | < | creatholo(gp)                   /* create a holodeck output file */ | 
| 451 | < | HDGRID  *gp; | 
| 450 | > | static void | 
| 451 | > | creatholo(                      /* create a holodeck output file */ | 
| 452 | > | HDGRID  *gp | 
| 453 | > | ) | 
| 454 |  | { | 
| 455 |  | extern char     VersionID[]; | 
| 456 | < | long    endloc = 0; | 
| 456 | > | off_t   lastloc, nextloc; | 
| 457 | > | int     n; | 
| 458 |  | int     fd; | 
| 459 |  | FILE    *fp; | 
| 460 |  | /* open & truncate file */ | 
| 468 |  | printvars(fp); | 
| 469 |  | fputformat(HOLOFMT, fp); | 
| 470 |  | fputc('\n', fp); | 
| 471 | < | putw(HOLOMAGIC, fp);            /* put magic number & terminus */ | 
| 407 | < | fwrite(&endloc, sizeof(long), 1, fp); | 
| 471 | > | putw(HOLOMAGIC, fp);            /* put magic number */ | 
| 472 |  | fd = dup(fileno(fp)); | 
| 473 |  | fclose(fp);                     /* flush and close stdio stream */ | 
| 474 | < | hdinit(fd, gp);                 /* allocate and initialize index */ | 
| 474 | > | lastloc = lseek(fd, (off_t)0, SEEK_END); | 
| 475 | > | for (n = vdef(SECTION); n--; gp++) {    /* initialize each section */ | 
| 476 | > | nextloc = 0L; | 
| 477 | > | write(fd, (char *)&nextloc, sizeof(nextloc)); | 
| 478 | > | hdinit(fd, gp);                 /* writes beam index */ | 
| 479 | > | if (!n) | 
| 480 | > | break; | 
| 481 | > | nextloc = hdfilen(fd);          /* write section pointer */ | 
| 482 | > | if (lseek(fd, lastloc, SEEK_SET) < 0) | 
| 483 | > | error(SYSTEM, | 
| 484 | > | "cannot seek on holodeck file in creatholo"); | 
| 485 | > | write(fd, (char *)&nextloc, sizeof(nextloc)); | 
| 486 | > | lseek(fd, (lastloc=nextloc), SEEK_SET); | 
| 487 | > | } | 
| 488 |  | } | 
| 489 |  |  | 
| 490 |  |  | 
| 491 | < | headline(s)                     /* process information header line */ | 
| 492 | < | char    *s; | 
| 491 | > | static int | 
| 492 | > | headline(                       /* process information header line */ | 
| 493 | > | char    *s, | 
| 494 | > | void    *p | 
| 495 | > | ) | 
| 496 |  | { | 
| 497 |  | extern char     FMTSTR[]; | 
| 498 |  | register char   *cp; | 
| 504 |  | HOLOFMT, hdkfile, FMTSTR, fmt); | 
| 505 |  | error(USER, errmsg); | 
| 506 |  | } | 
| 507 | < | return; | 
| 507 | > | return(0); | 
| 508 |  | } | 
| 509 |  | for (cp = s; *cp; cp++)         /* take off any comments */ | 
| 510 |  | if (*cp == '#') { | 
| 512 |  | break; | 
| 513 |  | } | 
| 514 |  | setvariable(s, matchvar);       /* don't flag errors */ | 
| 515 | + | return(0); | 
| 516 |  | } | 
| 517 |  |  | 
| 518 |  |  | 
| 519 | < | loadholo()                      /* start loading a holodeck from fname */ | 
| 519 | > | static void | 
| 520 | > | loadholo(void)                  /* start loading a holodeck from fname */ | 
| 521 |  | { | 
| 440 | – | extern long     ftell(); | 
| 522 |  | FILE    *fp; | 
| 523 |  | int     fd; | 
| 524 | < | long    fpos; | 
| 525 | < | /* open holodeck file */ | 
| 526 | < | if ((fp = fopen(hdkfile, ncprocs>0 ? "r+" : "r")) == NULL) { | 
| 527 | < | sprintf(errmsg, "cannot open \"%s\" for %s", hdkfile, | 
| 528 | < | ncprocs>0 ? "appending" : "reading"); | 
| 529 | < | error(SYSTEM, errmsg); | 
| 524 | > | int     n; | 
| 525 | > | off_t   nextloc; | 
| 526 | > |  | 
| 527 | > | if ((ncprocs > 0) & (force >= 0)) | 
| 528 | > | fp = fopen(hdkfile, "r+"); | 
| 529 | > | else | 
| 530 | > | fp = NULL; | 
| 531 | > | if (fp == NULL) { | 
| 532 | > | if ((fp = fopen(hdkfile, "r")) == NULL) { | 
| 533 | > | sprintf(errmsg, "cannot open \"%s\"", hdkfile); | 
| 534 | > | error(SYSTEM, errmsg); | 
| 535 | > | } | 
| 536 | > | if (ncprocs > 0) { | 
| 537 | > | sprintf(errmsg, "\"%s\" is read-only", hdkfile); | 
| 538 | > | if (outdev == NULL) | 
| 539 | > | error(USER, errmsg); | 
| 540 | > | strcat(errmsg, "; new rays will be discarded"); | 
| 541 | > | error(WARNING, errmsg); | 
| 542 | > | force = -1; | 
| 543 | > | } | 
| 544 |  | } | 
| 545 |  | /* load variables from header */ | 
| 546 |  | getheader(fp, headline, NULL); | 
| 550 |  | hdkfile); | 
| 551 |  | error(USER, errmsg); | 
| 552 |  | } | 
| 553 | < | fread(&fpos, sizeof(long), 1, fp); | 
| 459 | < | if (fpos != 0) | 
| 460 | < | error(WARNING, "ignoring multiple sections in holodeck file"); | 
| 461 | < | fpos = ftell(fp);                       /* get stdio position */ | 
| 553 | > | nextloc = ftell(fp);                    /* get stdio position */ | 
| 554 |  | fd = dup(fileno(fp)); | 
| 555 |  | fclose(fp);                             /* done with stdio */ | 
| 556 | < | lseek(fd, fpos, 0);                     /* align system file pointer */ | 
| 557 | < | hdinit(fd, NULL);                       /* allocate and load index */ | 
| 556 | > | for (n = 0; nextloc > 0L; n++) {        /* initialize each section */ | 
| 557 | > | lseek(fd, nextloc, SEEK_SET); | 
| 558 | > | read(fd, (char *)&nextloc, sizeof(nextloc)); | 
| 559 | > | hdinit(fd, NULL); | 
| 560 | > | } | 
| 561 | > | if (n != vdef(SECTION)) { | 
| 562 | > | sprintf(errmsg, "number of sections does not match %s setting", | 
| 563 | > | vnam(SECTION)); | 
| 564 | > | error(WARNING, errmsg); | 
| 565 | > | } | 
| 566 |  | } | 
| 567 |  |  | 
| 568 |  |  | 
| 569 | < | done_packets(pl)                /* handle finished packets */ | 
| 570 | < | PACKET  *pl; | 
| 569 | > | extern void | 
| 570 | > | done_packets(           /* handle finished packets */ | 
| 571 | > | PACKET  *pl | 
| 572 | > | ) | 
| 573 |  | { | 
| 574 |  | static int      n2flush = 0; | 
| 575 |  | register PACKET *p; | 
| 577 |  | while (pl != NULL) { | 
| 578 |  | p = pl; pl = p->next; p->next = NULL; | 
| 579 |  | if (p->nr > 0) {                /* add to holodeck */ | 
| 580 | < | bcopy((char *)p->ra, | 
| 581 | < | (char *)hdnewrays(hdlist[p->hd],p->bi,p->nr), | 
| 580 | > | memcpy( (void *)hdnewrays(hdlist[p->hd],p->bi,p->nr), | 
| 581 | > | (void *)p->ra, | 
| 582 |  | p->nr*sizeof(RAYVAL)); | 
| 583 |  | if (outdev != NULL)     /* display it */ | 
| 584 |  | disp_packet((PACKHEAD *)p); | 
| 585 | < | if (hdcachesize <= 0)   /* manual flushing */ | 
| 586 | < | n2flush += p->nr; | 
| 585 | > | if (hdcachesize <= 0) | 
| 586 | > | n2flush++; | 
| 587 |  | nraysdone += p->nr; | 
| 588 |  | npacksdone++; | 
| 589 | + | p->nr = 0; | 
| 590 |  | } | 
| 591 | < | p->nr = 0;                      /* push onto free list */ | 
| 489 | < | p->next = freepacks; | 
| 591 | > | p->next = freepacks;            /* push onto free list */ | 
| 592 |  | freepacks = p; | 
| 593 |  | } | 
| 594 | < | if (n2flush > 512*RPACKSIZ*ncprocs) { | 
| 595 | < | hdflush(NULL);                  /* flush holodeck buffers */ | 
| 594 | > | if (n2flush >= RTFLUSH) { | 
| 595 | > | if (outdev != NULL) | 
| 596 | > | hdsync(NULL, 1); | 
| 597 | > | else | 
| 598 | > | hdflush(NULL); | 
| 599 |  | n2flush = 0; | 
| 600 |  | } | 
| 601 |  | } | 
| 602 |  |  | 
| 603 |  |  | 
| 604 | < | getradfile(rfargs)              /* run rad and get needed variables */ | 
| 605 | < | char    *rfargs; | 
| 604 | > | static void | 
| 605 | > | rootname(               /* remove tail from end of fn */ | 
| 606 | > | register char   *rn, | 
| 607 | > | register char   *fn | 
| 608 | > | ) | 
| 609 |  | { | 
| 502 | – | static short    mvar[] = {OCTREE,EXPOSURE,-1}; | 
| 503 | – | static char     tf1[] = TEMPLATE; | 
| 504 | – | char    tf2[64]; | 
| 505 | – | char    combuf[256]; | 
| 506 | – | char    *pippt; | 
| 507 | – | register int    i; | 
| 508 | – | register char   *cp; | 
| 509 | – | /* create rad command */ | 
| 510 | – | mktemp(tf1); | 
| 511 | – | sprintf(tf2, "%s.rif", tf1); | 
| 512 | – | sprintf(combuf, | 
| 513 | – | "rad -v 0 -s -e -w %s OPTFILE=%s | egrep '^[ \t]*(NOMATCH", | 
| 514 | – | rfargs, tf1); | 
| 515 | – | cp = combuf; | 
| 516 | – | while (*cp){ | 
| 517 | – | if (*cp == '|') pippt = cp; | 
| 518 | – | cp++; | 
| 519 | – | }                               /* match unset variables */ | 
| 520 | – | for (i = 0; mvar[i] >= 0; i++) | 
| 521 | – | if (!vdef(mvar[i])) { | 
| 522 | – | *cp++ = '|'; | 
| 523 | – | strcpy(cp, vnam(mvar[i])); | 
| 524 | – | while (*cp) cp++; | 
| 525 | – | pippt = NULL; | 
| 526 | – | } | 
| 527 | – | if (pippt != NULL) | 
| 528 | – | strcpy(pippt, "> /dev/null");   /* nothing to match */ | 
| 529 | – | else | 
| 530 | – | sprintf(cp, ")[ \t]*=' > %s", tf2); | 
| 531 | – | if (system(combuf)) { | 
| 532 | – | error(SYSTEM, "cannot execute rad command"); | 
| 533 | – | unlink(tf2);                    /* clean up */ | 
| 534 | – | unlink(tf1); | 
| 535 | – | quit(1); | 
| 536 | – | } | 
| 537 | – | if (pippt == NULL) { | 
| 538 | – | loadvars(tf2);                  /* load variables */ | 
| 539 | – | unlink(tf2); | 
| 540 | – | } | 
| 541 | – | rtargc += wordfile(rtargv+rtargc, tf1); /* get rtrace options */ | 
| 542 | – | unlink(tf1);                    /* clean up */ | 
| 543 | – | } | 
| 544 | – |  | 
| 545 | – |  | 
| 546 | – | rootname(rn, fn)                /* remove tail from end of fn */ | 
| 547 | – | register char   *rn, *fn; | 
| 548 | – | { | 
| 610 |  | char    *tp, *dp; | 
| 611 |  |  | 
| 612 | < | for (tp = NULL, dp = rn; *rn = *fn++; rn++) | 
| 613 | < | if (ISDIRSEP(*rn)) | 
| 612 | > | for (tp = NULL, dp = rn; (*rn = *fn++); rn++) { | 
| 613 | > | if (*rn == '/') | 
| 614 |  | dp = rn; | 
| 615 |  | else if (*rn == '.') | 
| 616 |  | tp = rn; | 
| 617 | + | } | 
| 618 |  | if (tp != NULL && tp > dp) | 
| 619 |  | *tp = '\0'; | 
| 620 |  | } | 
| 621 |  |  | 
| 622 |  |  | 
| 623 | < | badvalue(vc)                    /* report bad variable value and exit */ | 
| 624 | < | int     vc; | 
| 623 | > | static void | 
| 624 | > | badvalue(                       /* report bad variable value and exit */ | 
| 625 | > | int     vc | 
| 626 | > | ) | 
| 627 |  | { | 
| 628 |  | sprintf(errmsg, "bad value for variable '%s'", vnam(vc)); | 
| 629 |  | error(USER, errmsg); | 
| 630 |  | } | 
| 631 |  |  | 
| 632 |  |  | 
| 633 | + | void | 
| 634 |  | eputs(s)                        /* put error message to stderr */ | 
| 635 |  | register char  *s; | 
| 636 |  | { | 
| 650 |  | } | 
| 651 |  |  | 
| 652 |  |  | 
| 653 | < | wputs(s)                        /* put warning string to stderr */ | 
| 589 | < | char    *s; | 
| 590 | < | { | 
| 591 | < | if (!nowarn) | 
| 592 | < | eputs(s); | 
| 593 | < | } | 
| 594 | < |  | 
| 595 | < |  | 
| 653 | > | void | 
| 654 |  | quit(ec)                        /* exit program gracefully */ | 
| 655 |  | int     ec; | 
| 656 |  | { | 
| 657 |  | int     status = 0; | 
| 658 |  |  | 
| 659 | < | if (hdlist[0] != NULL) {        /* flush holodeck */ | 
| 660 | < | if (ncprocs > 0) { | 
| 661 | < | done_packets(flush_queue()); | 
| 662 | < | status = end_rtrace();  /* close rtrace */ | 
| 663 | < | hdflush(NULL); | 
| 664 | < | if (vdef(REPORT)) { | 
| 665 | < | long    fsiz, fuse; | 
| 666 | < | report(0); | 
| 609 | < | fsiz = hdfilen(hdlist[0]->fd); | 
| 610 | < | fuse = hdfiluse(hdlist[0]->fd, 1); | 
| 611 | < | fprintf(stderr, | 
| 659 | > | if (hdlist[0] != NULL) {        /* close holodeck */ | 
| 660 | > | if (nprocs > 0) | 
| 661 | > | status = done_rtrace();         /* calls hdsync() */ | 
| 662 | > | if ((ncprocs > 0) & (force >= 0) && vdef(REPORT)) { | 
| 663 | > | off_t   fsiz, fuse; | 
| 664 | > | fsiz = hdfilen(hdlist[0]->fd); | 
| 665 | > | fuse = hdfiluse(hdlist[0]->fd); | 
| 666 | > | fprintf(stderr, | 
| 667 |  | "%s: %.1f Mbyte holodeck file, %.1f%% fragmentation\n", | 
| 668 | < | hdkfile, fsiz/(1024.*1024.), | 
| 669 | < | 100.*(fsiz-fuse)/fsiz); | 
| 670 | < | } | 
| 616 | < | } else | 
| 617 | < | hdflush(NULL); | 
| 668 | > | hdkfile, fsiz/(1024.*1024.), | 
| 669 | > | 100.*(fsiz-fuse)/fsiz); | 
| 670 | > | } | 
| 671 |  | } | 
| 672 |  | if (orig_mode >= 0)             /* reset holodeck access mode */ | 
| 673 |  | fchmod(hdlist[0]->fd, orig_mode); |