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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
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|
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#ifndef lint |
| 2 |
< |
static char SCCSid[] = "$SunId$ SGI"; |
| 2 |
> |
static const char RCSid[] = "$Id$"; |
| 3 |
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#endif |
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– |
|
| 4 |
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/* |
| 5 |
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* Radiance holodeck generation controller |
| 6 |
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*/ |
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|
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– |
#include "rholo.h" |
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– |
#include "random.h" |
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#include <signal.h> |
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– |
#include <sys/types.h> |
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#include <sys/stat.h> |
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+ |
#include <string.h> |
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|
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+ |
#include "rholo.h" |
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+ |
#include "platform.h" |
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+ |
#include "random.h" |
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+ |
|
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+ |
#ifndef FRAGWARN |
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+ |
#define FRAGWARN 20 /* fragmentation for warning (%) */ |
| 18 |
+ |
#endif |
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#ifndef MAXQTIME |
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#define MAXQTIME 5 /* target maximum seconds in queue */ |
| 21 |
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#endif |
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+ |
/* manual cache flushing frequency */ |
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+ |
#ifndef RTFLUSH |
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+ |
#if MAXQTIME |
| 25 |
+ |
#define RTFLUSH (300/MAXQTIME*totqlen) /* <= 5 minutes */ |
| 26 |
+ |
#else |
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+ |
#define RTFLUSH (50*totqlen) /* just guess */ |
| 28 |
+ |
#endif |
| 29 |
+ |
#endif |
| 30 |
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/* the following must be consistent with rholo.h */ |
| 31 |
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int NVARS = NRHVARS; /* total number of variables */ |
| 32 |
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|
| 36 |
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char *hdkfile; /* holodeck file name */ |
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char froot[256]; /* root file name */ |
| 38 |
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|
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– |
int nowarn = 0; /* turn warnings off? */ |
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– |
|
| 39 |
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int ncprocs = 0; /* desired number of compute processes */ |
| 40 |
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|
| 41 |
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char *outdev = NULL; /* output device name */ |
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|
| 43 |
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int readinp = 0; /* read commands from stdin */ |
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|
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< |
int force = 0; /* allow overwrite of holodeck */ |
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> |
int force = 0; /* allow overwrite of holodeck (-1 == read-only) */ |
| 46 |
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|
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time_t starttime; /* time we got started */ |
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time_t endtime; /* time we should end by */ |
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time_t reporttime; /* time for next report */ |
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|
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< |
long maxdisk; /* maximum file space (bytes) */ |
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> |
off_t maxdisk; /* maximum file space (bytes) */ |
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|
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int rtargc = 1; /* rtrace command */ |
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char *rtargv[128] = {"rtrace", NULL}; |
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long npacksdone = 0L; /* number of packets done */ |
| 60 |
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|
| 61 |
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PACKET *freepacks; /* available packets */ |
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< |
int avgqlen; /* average queue length when full */ |
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> |
int totqlen; /* maximum queue length (number of packets) */ |
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|
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char *sigerr[NSIG]; /* signal error messages */ |
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|
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+ |
extern int nowarn; /* turn warnings off? */ |
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+ |
|
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extern time_t time(); |
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|
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|
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nowarn++; |
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break; |
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case 'f': /* force overwrite */ |
| 85 |
< |
force++; |
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> |
force = 1; |
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break; |
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+ |
case 'r': /* read-only mode */ |
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+ |
force = -1; |
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+ |
break; |
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case 'i': /* read input from stdin */ |
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readinp++; |
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break; |
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} |
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/* check settings */ |
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checkvalues(); |
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< |
/* load RIF if rtrace */ |
| 126 |
< |
if (ncprocs) |
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< |
getradfile(); |
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> |
/* load rad input file */ |
| 126 |
> |
getradfile(); |
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|
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if (hdlist[0] == NULL) { /* create new holodeck */ |
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HDGRID hdg[HDMAX]; |
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/* set defaults */ |
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setdefaults(hdg); |
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+ |
/* check read-only */ |
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if (force < 0) |
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+ |
error(USER, "cannot create read-only holodeck"); |
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/* holodeck exists? */ |
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if (!force && access(hdkfile, R_OK|W_OK) == 0) |
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error(USER, |
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quit(0); |
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userr: |
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fprintf(stderr, |
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< |
"Usage: %s [-n nprocs][-o disp][-w][-f] output.hdk [control.hif|+|- [VAR=val ..]]\n", |
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> |
"Usage: %s [-n nprocs][-o disp][-w][-r|-f] output.hdk [control.hif|+|- [VAR=val ..]]\n", |
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progname); |
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quit(1); |
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} |
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|
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|
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+ |
void |
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onsig(signo) /* fatal signal */ |
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int signo; |
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{ |
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static int gotsig = 0; |
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|
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< |
if (gotsig++) /* two signals and we're gone! */ |
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> |
if (gotsig > 1) /* we're going as fast as we can! */ |
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> |
return; |
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> |
if (gotsig++) { /* two signals and we split */ |
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> |
hdsync(NULL, 0); /* don't leave w/o saying goodbye */ |
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_exit(signo); |
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< |
|
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< |
alarm(60); /* allow 60 seconds to clean up */ |
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signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
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> |
} |
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> |
alarm(300); /* allow 5 minutes to clean up */ |
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eputs("signal - "); |
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eputs(sigerr[signo]); |
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eputs("\n"); |
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if (fstat(fd, &stbuf) < 0) |
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error(SYSTEM, "cannot stat open holodeck file"); |
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mod &= stbuf.st_mode; /* always more restrictive */ |
| 197 |
< |
if (mod == stbuf.st_mode) |
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> |
if (mod == (stbuf.st_mode & 0777)) |
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return(-1); /* already set */ |
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/* else change it */ |
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if (fchmod(fd, mod) < 0) { |
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init_global(); |
| 219 |
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/* record disk space limit */ |
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if (!vdef(DISKSPACE)) |
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< |
maxdisk = 0; |
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> |
maxdisk = ((off_t)1<<(sizeof(off_t)*8-2)) - 1024; |
| 222 |
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else |
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maxdisk = 1024.*1024.*vflt(DISKSPACE); |
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/* set up memory cache */ |
| 225 |
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if (outdev == NULL) |
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< |
hdcachesize = 0; /* manual flushing */ |
| 226 |
> |
hdcachesize = 0; /* manual flushing */ |
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else if (vdef(CACHE)) |
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hdcachesize = 1024.*1024.*vflt(CACHE); |
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/* open report file */ |
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endtime = starttime + vflt(TIME)*3600. + .5; |
| 242 |
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/* start rtrace */ |
| 243 |
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if (ncprocs > 0) { |
| 244 |
< |
i = start_rtrace(); |
| 244 |
> |
totqlen = i = start_rtrace(); |
| 245 |
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if (i < 1) |
| 246 |
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error(USER, "cannot start rtrace process(es)"); |
| 247 |
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if (vdef(REPORT)) { /* make first report */ |
| 252 |
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freepacks = (PACKET *)bmalloc(i*sizeof(PACKET)); |
| 253 |
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if (freepacks == NULL) |
| 254 |
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goto memerr; |
| 237 |
– |
if (!(avgqlen = i/nprocs)) /* record mean queue length */ |
| 238 |
– |
avgqlen = 1; |
| 255 |
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freepacks[--i].nr = 0; |
| 256 |
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freepacks[i].next = NULL; |
| 257 |
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if (!vdef(OBSTRUCTIONS) || !vbool(OBSTRUCTIONS)) { |
| 278 |
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sigdie(SIGXCPU, "CPU limit exceeded"); |
| 279 |
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sigdie(SIGXFSZ, "File size exceeded"); |
| 280 |
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#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 |
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return; |
| 284 |
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memerr: |
| 285 |
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error(SYSTEM, "out of memory in initrholo"); |
| 288 |
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|
| 289 |
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rholo() /* holodeck main loop */ |
| 290 |
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{ |
| 291 |
+ |
static long nextfragwarn = 100*(1L<<20); |
| 292 |
|
static int idle = 0; |
| 293 |
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PACKET *pl = NULL, *plend; |
| 294 |
+ |
off_t fsiz; |
| 295 |
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int pksiz; |
| 296 |
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register PACKET *p; |
| 297 |
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time_t t; |
| 305 |
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return(1); |
| 306 |
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} else if (idle) |
| 307 |
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return(0); /* all done */ |
| 308 |
< |
/* check file size */ |
| 309 |
< |
if (maxdisk > 0 && hdfilen(hdlist[0]->fd) >= maxdisk) { |
| 308 |
> |
fsiz = hdfilen(hdlist[0]->fd); /* check file size */ |
| 309 |
> |
if (maxdisk > 0 && fsiz >= maxdisk) { |
| 310 |
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error(WARNING, "file limit exceeded"); |
| 311 |
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done_rtrace(); |
| 312 |
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return(1); /* comes back */ |
| 313 |
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} |
| 314 |
+ |
#if FRAGWARN |
| 315 |
+ |
if (fsiz >= nextfragwarn && |
| 316 |
+ |
(fsiz-hdfiluse(hdlist[0]->fd,0))/(fsiz/100) > FRAGWARN) { |
| 317 |
+ |
sprintf(errmsg, "holodeck file fragmentation is %.0f%%", |
| 318 |
+ |
100.*(fsiz-hdfiluse(hdlist[0]->fd,1))/fsiz); |
| 319 |
+ |
error(WARNING, errmsg); |
| 320 |
+ |
nextfragwarn = fsiz + (fsiz>>2); /* decent interval */ |
| 321 |
+ |
} |
| 322 |
+ |
#endif |
| 323 |
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t = time(NULL); /* check time */ |
| 324 |
|
if (endtime > 0 && t >= endtime) { |
| 325 |
|
error(WARNING, "time limit exceeded"); |
| 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/(avgqlen*(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 |
| 311 |
– |
pksiz = RPACKSIZ; |
| 340 |
|
idle = 0; /* get packets to process */ |
| 341 |
|
while (freepacks != NULL) { |
| 342 |
|
p = freepacks; freepacks = p->next; p->next = NULL; |
| 361 |
|
extern char *atos(); |
| 362 |
|
register int i; |
| 363 |
|
int n; |
| 364 |
< |
double len[3], maxlen, d; |
| 364 |
> |
double len[3], d; |
| 365 |
|
char buf[64]; |
| 366 |
|
|
| 367 |
|
if (!vdef(SECTION)) { |
| 395 |
|
&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2], |
| 396 |
|
&gp->grid[0], &gp->grid[1], &gp->grid[2]) < 12) |
| 397 |
|
badvalue(SECTION); |
| 370 |
– |
maxlen = 0.; |
| 398 |
|
for (i = 0; i < 3; i++) |
| 399 |
< |
if ((len[i] = VLEN(gp->xv[i])) > maxlen) |
| 400 |
< |
maxlen = len[i]; |
| 401 |
< |
if (!vdef(GRID)) |
| 402 |
< |
d = 0.125*maxlen; |
| 403 |
< |
else if ((d = vflt(GRID)) <= FTINY) |
| 399 |
> |
len[i] = VLEN(gp->xv[i]); |
| 400 |
> |
if (!vdef(GRID)) { |
| 401 |
> |
d = 2/2e5*( len[0]*len[0]*(len[1]*len[1] + |
| 402 |
> |
len[2]*len[2] + 4*len[1]*len[2]) |
| 403 |
> |
+ len[1]*len[1]*len[2]*(len[2] + 4*len[0]) |
| 404 |
> |
+ 4*len[0]*len[1]*len[2]*len[2] ); |
| 405 |
> |
d = sqrt(sqrt(d)); |
| 406 |
> |
} else if ((d = vflt(GRID)) <= FTINY) |
| 407 |
|
badvalue(GRID); |
| 408 |
|
for (i = 0; i < 3; i++) |
| 409 |
|
if (gp->grid[i] <= 0) |
| 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 |
|
|
| 453 |
|
|
| 454 |
+ |
int |
| 455 |
|
headline(s) /* process information header line */ |
| 456 |
|
char *s; |
| 457 |
|
{ |
| 465 |
|
HOLOFMT, hdkfile, FMTSTR, fmt); |
| 466 |
|
error(USER, errmsg); |
| 467 |
|
} |
| 468 |
< |
return; |
| 468 |
> |
return(0); |
| 469 |
|
} |
| 470 |
|
for (cp = s; *cp; cp++) /* take off any comments */ |
| 471 |
|
if (*cp == '#') { |
| 473 |
|
break; |
| 474 |
|
} |
| 475 |
|
setvariable(s, matchvar); /* don't flag errors */ |
| 476 |
+ |
return(0); |
| 477 |
|
} |
| 478 |
|
|
| 479 |
|
|
| 480 |
|
loadholo() /* start loading a holodeck from fname */ |
| 481 |
|
{ |
| 450 |
– |
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 open \"%s\" for %s", hdkfile, |
| 489 |
< |
ncprocs>0 ? "appending" : "reading"); |
| 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 (n2flush > 300/MAXQTIME*avgqlen*nprocs) { |
| 552 |
< |
hdflush(NULL); /* flush holodeck buffers */ |
| 551 |
> |
if (n2flush >= RTFLUSH) { |
| 552 |
> |
if (outdev != NULL) |
| 553 |
> |
hdsync(NULL, 1); |
| 554 |
> |
else |
| 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 |
< |
wputs(s) /* put warning string to stderr */ |
| 558 |
< |
char *s; |
| 559 |
< |
{ |
| 560 |
< |
if (!nowarn) |
| 561 |
< |
eputs(s); |
| 562 |
< |
} |
| 563 |
< |
|
| 564 |
< |
|
| 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, |