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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
2 |
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|
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ SGI"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
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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 <stdio.h> |
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#include <time.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 "platform.h" |
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#include "rterror.h" |
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#include "resolu.h" |
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#include "rholo.h" |
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#include "random.h" |
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|
20 |
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#ifndef FRAGWARN |
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#define FRAGWARN 20 /* fragmentation for warning (%) */ |
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#endif |
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#ifndef MAXQTIME |
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#define MAXQTIME 5 /* target maximum seconds in queue */ |
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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 |
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#define RTFLUSH (300/MAXQTIME*totqlen) /* <= 5 minutes */ |
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#else |
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#define RTFLUSH (50*totqlen) /* just guess */ |
32 |
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#endif |
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#endif |
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/* the following must be consistent with rholo.h */ |
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int NVARS = NRHVARS; /* total number of variables */ |
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int readinp = 0; /* read commands from stdin */ |
48 |
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|
49 |
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int force = 0; /* allow overwrite of holodeck */ |
49 |
> |
int force = 0; /* allow overwrite of holodeck (-1 == read-only) */ |
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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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|
55 |
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long maxdisk; /* maximum file space (bytes) */ |
55 |
> |
off_t maxdisk; /* maximum file space (bytes) */ |
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|
57 |
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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 */ |
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|
65 |
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PACKET *freepacks; /* available packets */ |
66 |
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int totqlen; /* maximum 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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extern time_t time(); |
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> |
static void onsig(int signo); |
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> |
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); |
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> |
static void creatholo(HDGRID *gp); |
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> |
static gethfunc headline; |
80 |
> |
static void loadholo(void); |
81 |
> |
static void rootname(char *rn, char *fn); |
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> |
static void badvalue(int vc); |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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{ |
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int i; |
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|
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nowarn++; |
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break; |
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case 'f': /* force overwrite */ |
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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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HDGRID hdg[HDMAX]; |
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/* set defaults */ |
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setdefaults(hdg); |
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/* check read-only */ |
149 |
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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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return 1; /* pro forma return */ |
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} |
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onsig(signo) /* fatal signal */ |
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int signo; |
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static void |
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onsig( /* fatal signal */ |
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int signo |
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) |
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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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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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} |
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sigdie(signo, msg) /* set fatal signal */ |
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int signo; |
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char *msg; |
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static void |
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sigdie( /* set fatal signal */ |
198 |
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int signo, |
199 |
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char *msg |
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) |
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{ |
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if (signal(signo, onsig) == SIG_IGN) |
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signal(signo, SIG_IGN); |
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} |
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int |
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resfmode(fd, mod) /* restrict open file access mode */ |
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int fd, mod; |
208 |
> |
static int |
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> |
resfmode( /* restrict open file access mode */ |
210 |
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int fd, |
211 |
> |
int mod |
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) |
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{ |
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struct stat stbuf; |
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/* get original mode */ |
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} |
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< |
initrholo() /* get our holodeck running */ |
230 |
> |
static void |
231 |
> |
initrholo(void) /* get our holodeck running */ |
232 |
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{ |
233 |
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extern int global_packet(); |
234 |
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register int i; |
241 |
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init_global(); |
242 |
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/* record disk space limit */ |
243 |
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if (!vdef(DISKSPACE)) |
244 |
< |
maxdisk = 0; |
244 |
> |
maxdisk = ((off_t)1<<(sizeof(off_t)*8-2)) - 1024; |
245 |
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else |
246 |
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maxdisk = 1024.*1024.*vflt(DISKSPACE); |
247 |
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/* set up memory cache */ |
248 |
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if (outdev == NULL) |
249 |
< |
hdcachesize = 0; /* manual flushing */ |
249 |
> |
hdcachesize = 0; /* manual flushing */ |
250 |
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else if (vdef(CACHE)) |
251 |
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hdcachesize = 1024.*1024.*vflt(CACHE); |
252 |
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/* open report file */ |
293 |
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} |
294 |
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/* set up signal handling */ |
295 |
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sigdie(SIGINT, "Interrupt"); |
254 |
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sigdie(SIGHUP, "Hangup"); |
296 |
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sigdie(SIGTERM, "Terminate"); |
297 |
+ |
#ifdef SIGHUP |
298 |
+ |
sigdie(SIGHUP, "Hangup"); |
299 |
+ |
#endif |
300 |
+ |
#ifdef SIGPIPE |
301 |
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sigdie(SIGPIPE, "Broken pipe"); |
302 |
+ |
#endif |
303 |
+ |
#ifdef SIGALRM |
304 |
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sigdie(SIGALRM, "Alarm clock"); |
305 |
+ |
#endif |
306 |
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#ifdef SIGXCPU |
307 |
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sigdie(SIGXCPU, "CPU limit exceeded"); |
308 |
+ |
#endif |
309 |
+ |
#ifdef SIGXFSZ |
310 |
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sigdie(SIGXFSZ, "File size exceeded"); |
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#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); |
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return; |
315 |
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memerr: |
316 |
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error(SYSTEM, "out of memory in initrholo"); |
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} |
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|
319 |
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|
320 |
< |
rholo() /* holodeck main loop */ |
320 |
> |
static int |
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> |
rholo(void) /* holodeck main loop */ |
322 |
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{ |
323 |
+ |
static long nextfragwarn = 100*(1L<<20); |
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static int idle = 0; |
325 |
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PACKET *pl = NULL, *plend; |
326 |
+ |
off_t fsiz; |
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int pksiz; |
328 |
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register PACKET *p; |
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time_t t; |
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return(1); |
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} else if (idle) |
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return(0); /* all done */ |
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< |
/* check file size */ |
341 |
< |
if (maxdisk > 0 && hdfilen(hdlist[0]->fd) >= maxdisk) { |
340 |
> |
fsiz = hdfilen(hdlist[0]->fd); /* check file size */ |
341 |
> |
if (maxdisk > 0 && fsiz >= maxdisk) { |
342 |
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error(WARNING, "file limit exceeded"); |
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done_rtrace(); |
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return(1); /* comes back */ |
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} |
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 |
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t = time(NULL); /* check time */ |
356 |
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if (endtime > 0 && t >= endtime) { |
357 |
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error(WARNING, "time limit exceeded"); |
361 |
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if (reporttime > 0 && t >= reporttime) |
362 |
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report(t); |
363 |
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/* figure out good packet size */ |
364 |
+ |
pksiz = RPACKSIZ; |
365 |
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#if MAXQTIME |
366 |
< |
pksiz = nraysdone*MAXQTIME/(totqlen*(t - starttime + 1L)); |
367 |
< |
if (pksiz < 1) |
368 |
< |
pksiz = 1; |
369 |
< |
else if (pksiz > RPACKSIZ) |
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 |
308 |
– |
pksiz = RPACKSIZ; |
372 |
|
idle = 0; /* get packets to process */ |
373 |
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while (freepacks != NULL) { |
374 |
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p = freepacks; freepacks = p->next; p->next = NULL; |
387 |
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} |
388 |
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|
389 |
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|
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 |
|
int n; |
398 |
|
double len[3], d; |
334 |
– |
char buf[64]; |
399 |
|
|
400 |
|
if (!vdef(SECTION)) { |
401 |
|
sprintf(errmsg, "%s must be defined", vnam(SECTION)); |
431 |
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for (i = 0; i < 3; i++) |
432 |
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len[i] = VLEN(gp->xv[i]); |
433 |
|
if (!vdef(GRID)) { |
434 |
< |
d = 2/5e5*( len[0]*len[0]*(len[1]*len[1] + |
434 |
> |
d = 2/2e5*( len[0]*len[0]*(len[1]*len[1] + |
435 |
|
len[2]*len[2] + 4*len[1]*len[2]) |
436 |
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+ len[1]*len[1]*len[2]*(len[2] + 4*len[0]) |
437 |
|
+ 4*len[0]*len[1]*len[2]*len[2] ); |
445 |
|
} |
446 |
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|
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 |
< |
int4 lastloc, nextloc; |
454 |
> |
int32 lastloc, nextloc; |
455 |
|
int n; |
456 |
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int fd; |
457 |
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FILE *fp; |
469 |
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putw(HOLOMAGIC, fp); /* put magic number */ |
470 |
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fd = dup(fileno(fp)); |
471 |
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fclose(fp); /* flush and close stdio stream */ |
472 |
< |
lastloc = lseek(fd, 0L, 2); |
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)); |
477 |
|
if (!n) |
478 |
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break; |
479 |
|
nextloc = hdfilen(fd); /* write section pointer */ |
480 |
< |
if (lseek(fd, (long)lastloc, 0) < 0) |
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, (long)(lastloc=nextloc), 0); |
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 |
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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 |
|
{ |
449 |
– |
extern long ftell(); |
520 |
|
FILE *fp; |
521 |
|
int fd; |
522 |
|
int n; |
523 |
< |
int4 nextloc; |
524 |
< |
/* open holodeck file */ |
525 |
< |
if ((fp = fopen(hdkfile, ncprocs>0 ? "r+" : "r")) == NULL) { |
526 |
< |
sprintf(errmsg, "cannot %s \"%s\"", |
527 |
< |
ncprocs>0 ? "append" : "read", hdkfile); |
528 |
< |
error(SYSTEM, errmsg); |
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); |
551 |
|
fd = dup(fileno(fp)); |
552 |
|
fclose(fp); /* done with stdio */ |
553 |
|
for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
554 |
< |
lseek(fd, (long)nextloc, 0); |
554 |
> |
lseek(fd, (off_t)nextloc, SEEK_SET); |
555 |
|
read(fd, (char *)&nextloc, sizeof(nextloc)); |
556 |
|
hdinit(fd, NULL); |
557 |
|
} |
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 */ |
582 |
> |
if (hdcachesize <= 0) |
583 |
|
n2flush++; |
584 |
|
nraysdone += p->nr; |
585 |
|
npacksdone++; |
588 |
|
p->next = freepacks; /* push onto free list */ |
589 |
|
freepacks = p; |
590 |
|
} |
591 |
< |
#if MAXQTIME |
592 |
< |
if (n2flush > 300/MAXQTIME*totqlen) { |
593 |
< |
#else |
510 |
< |
if (n2flush > 50*totqlen) { |
511 |
< |
#endif |
512 |
< |
if (outdev == NULL) |
513 |
< |
hdflush(NULL); /* flush holodeck buffers */ |
591 |
> |
if (n2flush >= RTFLUSH) { |
592 |
> |
if (outdev != NULL) |
593 |
> |
hdsync(NULL, 1); |
594 |
|
else |
595 |
< |
hdsync(NULL, 1); /* sync holodeck file */ |
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 |
+ |
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, |