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root/radiance/ray/src/util/ranimate.c
Revision: 2.10
Committed: Tue Feb 20 16:13:53 1996 UTC (28 years, 2 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.9: +22 -1 lines
Log Message:
added RSH variable to rename or replace remote shell execution

File Contents

# User Rev Content
1 greg 2.1 /* Copyright (c) 1995 Regents of the University of California */
2    
3     #ifndef lint
4     static char SCCSid[] = "$SunId$ LBL";
5     #endif
6    
7     /*
8     * Radiance animation control program
9     */
10    
11     #include "standard.h"
12 greg 2.2 #include <ctype.h>
13 greg 2.1 #include <sys/types.h>
14     #include <sys/stat.h>
15     #include "view.h"
16     #include "vars.h"
17 greg 2.2 #include "netproc.h"
18 greg 2.10 /* default remote shell */
19     #ifdef _AUX_SOURCE
20     #define REMSH "remsh"
21     #else
22     #define REMSH "rsh"
23     #endif
24 greg 2.1 /* input variables */
25     #define HOST 0 /* rendering host machine */
26     #define RENDER 1 /* rendering options */
27     #define PFILT 2 /* pfilt options */
28     #define PINTERP 3 /* pinterp options */
29     #define OCTREE 4 /* octree file name */
30     #define DIRECTORY 5 /* working (sub)directory */
31     #define BASENAME 6 /* output image base name */
32     #define VIEWFILE 7 /* animation frame views */
33     #define START 8 /* starting frame number */
34     #define END 9 /* ending frame number */
35     #define RIF 10 /* rad input file */
36     #define NEXTANIM 11 /* next animation file */
37     #define ANIMATE 12 /* animation command */
38     #define TRANSFER 13 /* frame transfer command */
39     #define ARCHIVE 14 /* archiving command */
40     #define INTERP 15 /* # frames to interpolate */
41     #define OVERSAMP 16 /* # times to oversample image */
42     #define MBLUR 17 /* samples for motion blur */
43     #define RTRACE 18 /* use rtrace with pinterp? */
44     #define DISKSPACE 19 /* how much disk space to use */
45     #define RESOLUTION 20 /* desired final resolution */
46     #define EXPOSURE 21 /* how to compute exposure */
47 greg 2.10 #define RSH 22 /* remote shell script or program */
48 greg 2.1
49 greg 2.10 int NVARS = 23; /* total number of variables */
50 greg 2.1
51     VARIABLE vv[] = { /* variable-value pairs */
52     {"host", 4, 0, NULL, NULL},
53     {"render", 3, 0, NULL, catvalues},
54     {"pfilt", 2, 0, NULL, catvalues},
55     {"pinterp", 2, 0, NULL, catvalues},
56     {"OCTREE", 3, 0, NULL, onevalue},
57     {"DIRECTORY", 3, 0, NULL, onevalue},
58     {"BASENAME", 3, 0, NULL, onevalue},
59     {"VIEWFILE", 2, 0, NULL, onevalue},
60     {"START", 2, 0, NULL, intvalue},
61     {"END", 2, 0, NULL, intvalue},
62     {"RIF", 3, 0, NULL, onevalue},
63     {"NEXTANIM", 3, 0, NULL, onevalue},
64     {"ANIMATE", 2, 0, NULL, onevalue},
65     {"TRANSFER", 2, 0, NULL, onevalue},
66     {"ARCHIVE", 2, 0, NULL, onevalue},
67 greg 2.5 {"INTERPOLATE", 3, 0, NULL, intvalue},
68     {"OVERSAMPLE", 2, 0, NULL, fltvalue},
69 greg 2.1 {"MBLUR", 2, 0, NULL, onevalue},
70     {"RTRACE", 2, 0, NULL, boolvalue},
71     {"DISKSPACE", 3, 0, NULL, fltvalue},
72     {"RESOLUTION", 3, 0, NULL, onevalue},
73     {"EXPOSURE", 3, 0, NULL, onevalue},
74 greg 2.10 {"RSH", 3, 0, NULL, onevalue},
75 greg 2.1 };
76    
77     #define SFNAME "STATUS" /* status file name */
78    
79     struct {
80     char host[64]; /* control host name */
81     int pid; /* control process id */
82     char cfname[128]; /* control file name */
83     int rnext; /* next frame to render */
84     int fnext; /* next frame to filter */
85     int tnext; /* next frame to transfer */
86     } astat; /* animation status */
87    
88     char *progname; /* our program name */
89     char *cfname; /* our control file name */
90    
91     int nowarn = 0; /* turn warnings off? */
92     int silent = 0; /* silent mode? */
93     int noaction = 0; /* take no action? */
94    
95 greg 2.10 char *remsh; /* remote shell program/script */
96 greg 2.1 char rendopt[2048] = ""; /* rendering options */
97     char rresopt[32]; /* rendering resolution options */
98     char fresopt[32]; /* filter resolution options */
99     int pfiltalways; /* always use pfilt? */
100    
101 greg 2.7 char arcargs[10240]; /* files to archive */
102     char *arcfirst, *arcnext; /* pointers to first and next argument */
103    
104 greg 2.2 struct pslot {
105     int pid; /* process ID (0 if empty) */
106     int fout; /* output frame number */
107     int (*rcvf)(); /* recover function */
108     } *pslot; /* process slots */
109     int npslots; /* number of process slots */
110    
111     int lastpid; /* ID of last completed background process */
112     PSERVER *lastpserver; /* last process server used */
113    
114 greg 2.4 #define phostname(ps) ((ps)->hostname[0] ? (ps)->hostname : astat.host)
115    
116 greg 2.2 struct pslot *findpslot();
117    
118 greg 2.1 VIEW *getview();
119     char *getexp();
120    
121    
122     main(argc, argv)
123     int argc;
124     char *argv[];
125     {
126     int explicate = 0;
127     int i;
128    
129     progname = argv[0]; /* get arguments */
130     for (i = 1; i < argc && argv[i][0] == '-'; i++)
131     switch (argv[i][1]) {
132     case 'e': /* print variables */
133     explicate++;
134     break;
135     case 'w': /* turn off warnings */
136     nowarn++;
137     break;
138     case 's': /* silent mode */
139     silent++;
140     break;
141     case 'n': /* take no action */
142     noaction++;
143     break;
144     default:
145     goto userr;
146     }
147     if (i != argc-1)
148     goto userr;
149     cfname = argv[i];
150     /* load variables */
151     loadvars(cfname);
152     /* did we get DIRECTORY? */
153     checkdir();
154     /* check status */
155     if (getastat() < 0) {
156     fprintf(stderr, "%s: exiting\n", progname);
157     quit(1);
158     }
159     /* pfilt always if options given */
160     pfiltalways = vdef(PFILT);
161     /* load RIF if any */
162     if (vdef(RIF))
163     getradfile(vval(RIF));
164     /* set defaults */
165     setdefaults();
166     /* print variables */
167     if (explicate)
168     printvars(stdout);
169 greg 2.2 /* set up process servers */
170     sethosts();
171 greg 2.1 /* run animation */
172     animate();
173     /* all done */
174     if (vdef(NEXTANIM)) {
175     argv[i] = vval(NEXTANIM); /* just change input file */
176     if (!silent)
177     printargs(argc, argv, stdout);
178 greg 2.2 execvp(progname, argv); /* pass to next */
179     quit(1); /* shouldn't return */
180 greg 2.1 }
181     quit(0);
182     userr:
183     fprintf(stderr, "Usage: %s [-s][-n][-w][-e] anim_file\n", progname);
184     quit(1);
185     }
186    
187    
188     getastat() /* check/set animation status */
189     {
190     char buf[256];
191     FILE *fp;
192    
193     sprintf(buf, "%s/%s", vval(DIRECTORY), SFNAME);
194     if ((fp = fopen(buf, "r")) == NULL) {
195     if (errno != ENOENT) {
196     perror(buf);
197     return(-1);
198     }
199     astat.rnext = astat.fnext = astat.tnext = 0;
200     goto setours;
201     }
202     if (fscanf(fp, "Control host: %s\n", astat.host) != 1)
203     goto fmterr;
204     if (fscanf(fp, "Control PID: %d\n", &astat.pid) != 1)
205     goto fmterr;
206     if (fscanf(fp, "Control file: %s\n", astat.cfname) != 1)
207     goto fmterr;
208     if (fscanf(fp, "Next render: %d\n", &astat.rnext) != 1)
209     goto fmterr;
210     if (fscanf(fp, "Next filter: %d\n", &astat.fnext) != 1)
211     goto fmterr;
212     if (fscanf(fp, "Next transfer: %d\n", &astat.tnext) != 1)
213     goto fmterr;
214     fclose(fp);
215     if (astat.pid != 0) { /* thinks it's still running */
216 greg 2.9 if (strcmp(myhostname(), astat.host)) {
217 greg 2.1 fprintf(stderr,
218     "%s: process %d may still be running on host %s\n",
219     progname, astat.pid, astat.host);
220     return(-1);
221     }
222     if (kill(astat.pid, 0) != -1 || errno != ESRCH) {
223     fprintf(stderr, "%s: process %d is still running\n",
224     progname, astat.pid);
225     return(-1);
226     }
227     /* assume it is dead */
228     }
229     if (strcmp(cfname, astat.cfname) && astat.tnext != 0) { /* other's */
230     fprintf(stderr, "%s: unfinished job \"%s\"\n",
231     progname, astat.cfname);
232     return(-1);
233     }
234     setours: /* set our values */
235 greg 2.9 strcpy(astat.host, myhostname());
236 greg 2.1 astat.pid = getpid();
237     strcpy(astat.cfname, cfname);
238     return(0);
239     fmterr:
240     fprintf(stderr, "%s: format error in status file \"%s\"\n",
241     progname, buf);
242     fclose(fp);
243     return(-1);
244     }
245    
246    
247     putastat() /* put out current status */
248     {
249     char buf[256];
250     FILE *fp;
251    
252 greg 2.2 if (noaction)
253     return;
254 greg 2.1 sprintf(buf, "%s/%s", vval(DIRECTORY), SFNAME);
255     if ((fp = fopen(buf, "w")) == NULL) {
256     perror(buf);
257     quit(1);
258     }
259     fprintf(fp, "Control host: %s\n", astat.host);
260     fprintf(fp, "Control PID: %d\n", astat.pid);
261     fprintf(fp, "Control file: %s\n", astat.cfname);
262     fprintf(fp, "Next render: %d\n", astat.rnext);
263     fprintf(fp, "Next filter: %d\n", astat.fnext);
264     fprintf(fp, "Next transfer: %d\n", astat.tnext);
265     fclose(fp);
266     }
267    
268    
269     checkdir() /* make sure we have our directory */
270     {
271     struct stat stb;
272    
273     if (!vdef(DIRECTORY)) {
274     fprintf(stderr, "%s: %s undefined\n",
275     progname, vnam(DIRECTORY));
276     quit(1);
277     }
278     if (stat(vval(DIRECTORY), &stb) == -1) {
279     if (errno == ENOENT && mkdir(vval(DIRECTORY), 0777) == 0)
280     return;
281     perror(vval(DIRECTORY));
282     quit(1);
283     }
284     if (!(stb.st_mode & S_IFDIR)) {
285     fprintf(stderr, "%s: not a directory\n", vval(DIRECTORY));
286     quit(1);
287     }
288     }
289    
290    
291     setdefaults() /* set default values */
292     {
293 greg 2.10 extern char *atos();
294 greg 2.1 char buf[256];
295    
296 greg 2.2 if (vdef(ANIMATE)) {
297     vval(OCTREE) = NULL;
298     vdef(OCTREE) = 0;
299     } else if (!vdef(OCTREE)) {
300 greg 2.1 fprintf(stderr, "%s: either %s or %s must be defined\n",
301     progname, vnam(OCTREE), vnam(ANIMATE));
302     quit(1);
303     }
304     if (!vdef(VIEWFILE)) {
305     fprintf(stderr, "%s: %s undefined\n", progname, vnam(VIEWFILE));
306     quit(1);
307     }
308 greg 2.2 if (!vdef(HOST)) {
309     vval(HOST) = LHOSTNAME;
310     vdef(HOST)++;
311     }
312 greg 2.1 if (!vdef(START)) {
313     vval(START) = "1";
314     vdef(START)++;
315     }
316     if (!vdef(END)) {
317 greg 2.5 sprintf(buf, "%d", countviews()+vint(START)-1);
318 greg 2.1 vval(END) = savqstr(buf);
319     vdef(END)++;
320     }
321 greg 2.5 if (vint(END) < vint(START)) {
322     fprintf(stderr, "%s: ending frame less than starting frame\n",
323     progname);
324     quit(1);
325     }
326 greg 2.1 if (!vdef(BASENAME)) {
327     sprintf(buf, "%s/frame%%03d", vval(DIRECTORY));
328     vval(BASENAME) = savqstr(buf);
329     vdef(BASENAME)++;
330     }
331     if (!vdef(RESOLUTION)) {
332     vval(RESOLUTION) = "640";
333     vdef(RESOLUTION)++;
334     }
335     if (!vdef(OVERSAMP)) {
336     vval(OVERSAMP) = "2";
337     vdef(OVERSAMP)++;
338     }
339     if (!vdef(INTERP)) {
340     vval(INTERP) = "0";
341     vdef(INTERP)++;
342     }
343     if (!vdef(MBLUR)) {
344     vval(MBLUR) = "0";
345     vdef(MBLUR)++;
346     }
347     if (!vdef(RTRACE)) {
348     vval(RTRACE) = "F";
349     vdef(RTRACE)++;
350     }
351     if (!vdef(DISKSPACE)) {
352     if (!nowarn)
353     fprintf(stderr,
354     "%s: warning - no %s setting, assuming 100 Mbytes available\n",
355     progname, vnam(DISKSPACE));
356     vval(DISKSPACE) = "100";
357     vdef(DISKSPACE)++;
358     }
359 greg 2.10 if (!vdef(RSH)) {
360     vval(RSH) = REMSH;
361     vdef(RSH)++;
362     }
363     /* locate remote shell program */
364     atos(buf, sizeof(buf), vval(RSH));
365     if ((remsh = getpath(buf, getenv("PATH"), X_OK)) != NULL)
366     remsh = savqstr(remsh);
367     else
368     remsh = vval(RSH); /* will generate error if used */
369    
370 greg 2.1 /* append rendering options */
371     if (vdef(RENDER))
372     sprintf(rendopt+strlen(rendopt), " %s", vval(RENDER));
373     }
374    
375    
376 greg 2.2 sethosts() /* set up process servers */
377     {
378     extern char *iskip();
379     char buf[256], *dir, *uname;
380     int np;
381     register char *cp;
382     int i;
383    
384     npslots = 0;
385     if (noaction)
386     return;
387     for (i = 0; i < vdef(HOST); i++) { /* add each host */
388     dir = uname = NULL;
389     np = 1;
390     strcpy(cp=buf, nvalue(HOST, i)); /* copy to buffer */
391     cp = sskip(cp); /* skip host name */
392     while (isspace(*cp))
393     *cp++ = '\0';
394     if (*cp) { /* has # processes? */
395     np = atoi(cp);
396     if ((cp = iskip(cp)) == NULL || (*cp && !isspace(*cp)))
397     badvalue(HOST);
398     while (isspace(*cp))
399     cp++;
400     if (*cp) { /* has directory? */
401     dir = cp;
402     cp = sskip(cp); /* skip dir. */
403     while (isspace(*cp))
404     *cp++ = '\0';
405     if (*cp) { /* has user? */
406     uname = cp;
407     if (*sskip(cp))
408     badvalue(HOST);
409     }
410     }
411     }
412     if (addpserver(buf, dir, uname, np) == NULL) {
413     if (!nowarn)
414     fprintf(stderr,
415     "%s: cannot execute on host \"%s\"\n",
416     progname, buf);
417     } else
418     npslots += np;
419     }
420     if (npslots == 0) {
421     fprintf(stderr, "%s: no working process servers\n", progname);
422     quit(1);
423     }
424     pslot = (struct pslot *)calloc(npslots, sizeof(struct pslot));
425     if (pslot == NULL) {
426     perror("malloc");
427     quit(1);
428     }
429     }
430    
431    
432 greg 2.7 getradfile(rfargs) /* run rad and get needed variables */
433     char *rfargs;
434 greg 2.1 {
435     static short mvar[] = {OCTREE,PFILT,RESOLUTION,EXPOSURE,-1};
436     char combuf[256];
437     register int i;
438     register char *cp;
439     /* create rad command */
440     sprintf(rendopt, " @%s/render.opt", vval(DIRECTORY));
441     sprintf(combuf,
442     "rad -v 0 -s -e -w %s OPTFILE=%s | egrep '^[ \t]*(NOMATCH",
443 greg 2.7 rfargs, rendopt+2);
444 greg 2.1 cp = combuf;
445     while (*cp) cp++; /* match unset variables */
446     for (i = 0; mvar[i] >= 0; i++)
447     if (!vdef(mvar[i])) {
448     *cp++ = '|';
449     strcpy(cp, vnam(mvar[i]));
450     while (*cp) cp++;
451     }
452     sprintf(cp, ")[ \t]*=' > %s/radset.var", vval(DIRECTORY));
453     cp += 11; /* point to file name */
454     if (system(combuf)) {
455 greg 2.7 fprintf(stderr, "%s: error executing rad command:\n\t%s\n",
456     progname, combuf);
457 greg 2.1 quit(1);
458     }
459     loadvars(cp); /* load variables and remove file */
460     unlink(cp);
461     }
462    
463    
464     animate() /* run animation */
465     {
466     int xres, yres;
467     float pa, mult;
468     int frames_batch;
469     register int i;
470     double d1, d2;
471     /* compute rpict resolution */
472     i = sscanf(vval(RESOLUTION), "%d %d %f", &xres, &yres, &pa);
473     mult = vflt(OVERSAMP);
474     if (i == 3) {
475     sprintf(rresopt, "-x %d -y %d -pa %f", (int)(mult*xres),
476     (int)(mult*yres), pa);
477     sprintf(fresopt, "-x %d -y %d -pa %f", xres, yres, pa);
478     } else if (i) {
479     if (i == 1) yres = xres;
480     sprintf(rresopt, "-x %d -y %d", (int)(mult*xres),
481     (int)(mult*yres));
482     sprintf(fresopt, "-x %d -y %d -pa 1", xres, yres);
483     } else
484     badvalue(RESOLUTION);
485     /* consistency checks */
486     if (vdef(ANIMATE)) {
487     if (vint(INTERP)) {
488     if (!nowarn)
489     fprintf(stderr,
490     "%s: resetting %s=0 for animation\n",
491     progname, vnam(INTERP));
492     vval(INTERP) = "0";
493     }
494     if (atoi(vval(MBLUR))) { /* can't handle this yet */
495     if (!nowarn)
496     fprintf(stderr,
497     "%s: resetting %s=0 for animation\n",
498     progname, vnam(MBLUR));
499     vval(MBLUR) = "0";
500     }
501     }
502     /* figure # frames per batch */
503     d1 = mult*xres*mult*yres*4; /* space for orig. picture */
504     if ((i=vint(INTERP)) || atoi(vval(MBLUR)))
505     d1 += mult*xres*mult*yres*4; /* space for z-buffer */
506     d2 = xres*yres*4; /* space for final picture */
507     frames_batch = (i+1)*(vflt(DISKSPACE)*1048576.-d1)/(d1+i*d2);
508     if (frames_batch < i+2) {
509     fprintf(stderr, "%s: insufficient disk space allocated\n",
510     progname);
511     quit(1);
512     }
513 greg 2.7 /* initialize archive argument list */
514     i = 16;
515     if (vdef(ARCHIVE) && strlen(vval(ARCHIVE)) > i)
516     i = strlen(vval(ARCHIVE));
517     arcnext = arcfirst = arcargs + i;
518 greg 2.1 /* initialize status file */
519     if (astat.rnext == 0)
520     astat.rnext = astat.fnext = astat.tnext = vint(START);
521     putastat();
522     /* render in batches */
523 greg 2.2 while (astat.tnext <= vint(END)) {
524 greg 2.1 renderframes(frames_batch);
525     filterframes();
526     transferframes();
527     }
528     /* mark status as finished */
529     astat.pid = 0;
530     putastat();
531     /* close open files */
532     getview(0);
533     getexp(0);
534     }
535    
536    
537     renderframes(nframes) /* render next nframes frames */
538     int nframes;
539     {
540     static char vendbuf[16];
541     VIEW *vp;
542     FILE *fp = NULL;
543     char vfname[128];
544     int lastframe;
545     register int i;
546    
547     if (astat.tnext < astat.rnext) /* other work to do first */
548     return;
549     /* create batch view file */
550     if (!vdef(ANIMATE)) {
551     sprintf(vfname, "%s/anim.vf", vval(DIRECTORY));
552     if ((fp = fopen(vfname, "w")) == NULL) {
553     perror(vfname);
554     quit(1);
555     }
556     }
557     /* bound batch properly */
558     lastframe = astat.rnext + nframes - 1;
559     if ((lastframe-1) % (vint(INTERP)+1)) /* need even interval */
560     lastframe += vint(INTERP)+1 - ((lastframe-1)%(vint(INTERP)+1));
561     if (lastframe > vint(END)) /* check for end */
562     lastframe = vint(END);
563     /* render each view */
564     for (i = astat.rnext; i <= lastframe; i++) {
565     if ((vp = getview(i)) == NULL) {
566     if (!nowarn)
567     fprintf(stderr,
568     "%s: ran out of views before last frame\n",
569     progname);
570     sprintf(vval(END)=vendbuf, "%d", i-1);
571     lastframe = i - 1;
572     break;
573     }
574     if (vdef(ANIMATE)) /* animate frame */
575     animrend(i, vp);
576     else { /* else record it */
577     fputs(VIEWSTR, fp);
578     fprintview(vp, fp);
579     putc('\n', fp);
580     }
581     }
582     if (vdef(ANIMATE)) /* wait for renderings to finish */
583 greg 2.2 bwait(0);
584 greg 2.1 else { /* else if walk-through */
585     fclose(fp); /* close view file */
586     walkwait(astat.rnext, lastframe, vfname); /* walk it */
587     unlink(vfname); /* remove view file */
588     }
589     astat.rnext = i; /* update status */
590     putastat();
591     }
592    
593    
594     filterframes() /* catch up with filtering */
595     {
596     VIEW *vp;
597     register int i;
598    
599     if (astat.tnext < astat.fnext) /* other work to do first */
600     return;
601     /* filter each view */
602     for (i = astat.fnext; i < astat.rnext; i++) {
603     if ((vp = getview(i)) == NULL) { /* get view i */
604     fprintf(stderr,
605     "%s: unexpected error reading view for frame %d\n",
606     progname, i);
607     quit(1);
608     }
609 greg 2.2 dofilt(i, vp, getexp(i), 0); /* filter frame */
610 greg 2.1 }
611 greg 2.2 bwait(0); /* wait for filter processes */
612 greg 2.7 archive(); /* archive originals */
613 greg 2.1 astat.fnext = i; /* update status */
614     putastat();
615     }
616    
617    
618     transferframes() /* catch up with picture transfers */
619     {
620     char combuf[10240];
621     register char *cp;
622     register int i;
623    
624     if (astat.tnext >= astat.fnext) /* nothing to do, yet */
625     return;
626     if (!vdef(TRANSFER)) { /* no transfer function -- leave 'em */
627     astat.tnext = astat.fnext;
628     putastat(); /* update status */
629     return;
630     }
631     strcpy(combuf, vval(TRANSFER)); /* start transfer command */
632     cp = combuf + strlen(combuf);
633     /* make argument list */
634     for (i = astat.tnext; i < astat.fnext; i++) {
635     *cp++ = ' ';
636     sprintf(cp, vval(BASENAME), i);
637     while (*cp) cp++;
638     strcpy(cp, ".pic");
639     cp += 4;
640     }
641     if (runcom(combuf)) { /* transfer frames */
642     fprintf(stderr, "%s: error running transfer command\n",
643     progname);
644     quit(1);
645     }
646     astat.tnext = i; /* update status */
647     putastat();
648     }
649    
650    
651     animrend(frame, vp) /* start animation frame */
652     int frame;
653     VIEW *vp;
654     {
655 greg 2.2 extern int recover();
656 greg 2.1 char combuf[2048];
657     char fname[128];
658    
659     sprintf(fname, vval(BASENAME), frame);
660     strcat(fname, ".unf");
661     if (access(fname, F_OK) == 0)
662     return;
663 greg 2.2 sprintf(combuf, "%s %d | rpict%s%s -w0 %s > %s", vval(ANIMATE), frame,
664 greg 2.1 rendopt, viewopt(vp), rresopt, fname);
665 greg 2.2 bruncom(combuf, frame, recover); /* run in background */
666 greg 2.1 }
667    
668    
669     walkwait(first, last, vfn) /* walk-through frames */
670     int first, last;
671     char *vfn;
672     {
673     char combuf[2048];
674 greg 2.4 char *inspoint;
675 greg 2.1 register int i;
676    
677     if (!noaction && vint(INTERP)) /* create dummy frames */
678     for (i = first; i <= last; i++)
679     if (i < vint(END) && (i-1) % (vint(INTERP)+1)) {
680     sprintf(combuf, vval(BASENAME), i);
681     strcat(combuf, ".unf");
682     close(open(combuf, O_RDONLY|O_CREAT, 0666));
683     }
684     /* create command */
685 greg 2.4 sprintf(combuf, "rpict%s -w0", rendopt);
686 greg 2.1 if (vint(INTERP) || atoi(vval(MBLUR)))
687 greg 2.4 sprintf(combuf+strlen(combuf), " -z %s.zbf", vval(BASENAME));
688     sprintf(combuf+strlen(combuf), " -o %s.unf %s -S %d",
689     vval(BASENAME), rresopt, first);
690     inspoint = combuf + strlen(combuf);
691     sprintf(inspoint, " %s < %s", vval(OCTREE), vfn);
692 greg 2.2 /* run in parallel */
693 greg 2.7 i = (last-first+1)/(vint(INTERP)+1);
694     if (i < 1) i = 1;
695     if (pruncom(combuf, inspoint, i)) {
696 greg 2.2 fprintf(stderr, "%s: error rendering frames %d through %d\n",
697 greg 2.1 progname, first, last);
698     quit(1);
699     }
700     if (!noaction && vint(INTERP)) /* remove dummy frames */
701     for (i = first; i <= last; i++)
702     if (i < vint(END) && (i-1) % (vint(INTERP)+1)) {
703     sprintf(combuf, vval(BASENAME), i);
704     strcat(combuf, ".unf");
705     unlink(combuf);
706     }
707     }
708    
709    
710 greg 2.2 int
711 greg 2.1 recover(frame) /* recover the specified frame */
712     int frame;
713     {
714 greg 2.2 static int *rfrm; /* list of recovered frames */
715     static int nrfrms = 0;
716 greg 2.1 char combuf[2048];
717     char fname[128];
718     register char *cp;
719 greg 2.2 register int i;
720     /* check to see if recovered already */
721     for (i = nrfrms; i--; )
722     if (rfrm[i] == frame)
723     return(0);
724     /* build command */
725 greg 2.1 sprintf(fname, vval(BASENAME), frame);
726     if (vdef(ANIMATE))
727 greg 2.2 sprintf(combuf, "%s %d | rpict%s -w0",
728 greg 2.1 vval(ANIMATE), frame, rendopt);
729     else
730 greg 2.2 sprintf(combuf, "rpict%s -w0", rendopt);
731 greg 2.1 cp = combuf + strlen(combuf);
732     if (vint(INTERP) || atoi(vval(MBLUR))) {
733     sprintf(cp, " -z %s.zbf", fname);
734     while (*cp) cp++;
735     }
736     sprintf(cp, " -ro %s.unf", fname);
737     while (*cp) cp++;
738     if (!vdef(ANIMATE)) {
739     *cp++ = ' ';
740     strcpy(cp, vval(OCTREE));
741     }
742 greg 2.2 if (runcom(combuf)) /* run command */
743     return(1);
744     /* add frame to recovered list */
745     if (nrfrms)
746     rfrm = (int *)realloc((char *)rfrm, (nrfrms+1)*sizeof(int));
747     else
748     rfrm = (int *)malloc(sizeof(int));
749     if (rfrm == NULL) {
750     perror("malloc");
751 greg 2.1 quit(1);
752     }
753 greg 2.2 rfrm[nrfrms++] = frame;
754     return(0);
755 greg 2.1 }
756    
757    
758 greg 2.2 int
759     frecover(frame) /* recover filtered frame */
760     int frame;
761     {
762     VIEW *vp;
763     char *ex;
764    
765     vp = getview(frame);
766     ex = getexp(frame);
767     if (dofilt(frame, vp, ex, 2) && dofilt(frame, vp, ex, 1))
768     return(1);
769     return(0);
770     }
771    
772    
773 greg 2.7 archive() /* archive and remove renderings */
774 greg 2.1 {
775 greg 2.2 #define RMCOML (sizeof(rmcom)-1)
776     static char rmcom[] = "rm -f";
777 greg 2.1 register int i;
778    
779 greg 2.7 if (arcnext == arcfirst)
780     return; /* nothing to do */
781 greg 2.2 if (vdef(ARCHIVE)) { /* run archive command */
782     i = strlen(vval(ARCHIVE));
783 greg 2.7 strncpy(arcfirst-i, vval(ARCHIVE), i);
784     if (runcom(arcfirst-i)) {
785     fprintf(stderr, "%s: error running archive command\n",
786     progname);
787 greg 2.2 quit(1);
788     }
789 greg 2.1 }
790 greg 2.2 /* run remove command */
791 greg 2.7 strncpy(arcfirst-RMCOML, rmcom, RMCOML);
792     runcom(arcfirst-RMCOML);
793     arcnext = arcfirst; /* reset argument list */
794 greg 2.2 #undef RMCOML
795 greg 2.1 }
796    
797    
798 greg 2.2 int
799     dofilt(frame, vp, ep, rvr) /* filter frame */
800 greg 2.1 int frame;
801     VIEW *vp;
802     char *ep;
803 greg 2.2 int rvr;
804 greg 2.1 {
805 greg 2.2 extern int frecover();
806 greg 2.6 static int iter = 0;
807 greg 2.1 char fnbefore[128], fnafter[128];
808 greg 2.6 char combuf[1024], fname0[128], fname1[128];
809 greg 2.7 int usepinterp, usepfilt, nora_rgbe;
810 greg 2.2 int frseq[2];
811 greg 2.1 /* check what is needed */
812     usepinterp = atoi(vval(MBLUR));
813     usepfilt = pfiltalways | ep==NULL;
814 greg 2.7 if (ep != NULL && !strcmp(ep, "1"))
815     ep = "+0";
816     nora_rgbe = strcmp(vval(OVERSAMP),"1") || ep==NULL ||
817     *ep != '+' || *ep != '-' || !isint(ep);
818 greg 2.1 /* compute rendered views */
819 greg 2.2 frseq[0] = frame - ((frame-1) % (vint(INTERP)+1));
820     frseq[1] = frseq[0] + vint(INTERP) + 1;
821     if (frseq[1] > vint(END))
822     frseq[1] = vint(END);
823     if (frseq[1] == frame) { /* pfilt only */
824     frseq[0] = frseq[1];
825 greg 2.1 usepinterp = 0; /* update what's needed */
826 greg 2.7 usepfilt |= nora_rgbe;
827     } else if (frseq[0] == frame) { /* no interpolation needed */
828     if (!rvr && frame > 1+vint(INTERP)) { /* archive previous */
829     *arcnext++ = ' ';
830     sprintf(arcnext, vval(BASENAME), frame-vint(INTERP)-1);
831     while (*arcnext) arcnext++;
832     strcpy(arcnext, ".unf");
833     arcnext += 4;
834     if (usepinterp || vint(INTERP)) { /* and z-buf */
835     *arcnext++ = ' ';
836     sprintf(arcnext, vval(BASENAME),
837     frame-vint(INTERP)-1);
838     while (*arcnext) arcnext++;
839     strcpy(arcnext, ".zbf");
840     arcnext += 4;
841     }
842     }
843     if (!usepinterp) /* update what's needed */
844     usepfilt |= nora_rgbe;
845 greg 2.2 } else /* interpolation needed */
846 greg 2.1 usepinterp++;
847 greg 2.2 if (frseq[1] >= astat.rnext) /* next batch unavailable */
848     frseq[1] = frseq[0];
849     sprintf(fnbefore, vval(BASENAME), frseq[0]);
850     sprintf(fnafter, vval(BASENAME), frseq[1]);
851     if (rvr == 1 && recover(frseq[0])) /* recover before frame? */
852     return(1);
853     /* generate command */
854 greg 2.1 if (usepinterp) { /* using pinterp */
855 greg 2.2 if (rvr == 2 && recover(frseq[1])) /* recover after? */
856     return(1);
857 greg 2.1 if (atoi(vval(MBLUR))) {
858     FILE *fp; /* motion blurring */
859 greg 2.6 sprintf(fname0, "%s/vw0%c", vval(DIRECTORY),
860     'a'+(iter%26));
861     if ((fp = fopen(fname0, "w")) == NULL) {
862     perror(fname0); quit(1);
863 greg 2.1 }
864     fputs(VIEWSTR, fp);
865     fprintview(vp, fp);
866     putc('\n', fp); fclose(fp);
867     if ((vp = getview(frame+1)) == NULL) {
868     fprintf(stderr,
869     "%s: unexpected error reading view for frame %d\n",
870     progname, frame+1);
871     quit(1);
872     }
873 greg 2.6 sprintf(fname1, "%s/vw1%c", vval(DIRECTORY),
874     'a'+(iter%26));
875     if ((fp = fopen(fname1, "w")) == NULL) {
876     perror(fname1); quit(1);
877 greg 2.1 }
878     fputs(VIEWSTR, fp);
879     fprintview(vp, fp);
880     putc('\n', fp); fclose(fp);
881     sprintf(combuf,
882 greg 2.6 "(pmblur %s %d %s %s; rm -f %s %s) | pinterp -B",
883 greg 2.2 *sskip(vval(MBLUR)) ? sskip2(vval(MBLUR),1) : "1",
884 greg 2.6 atoi(vval(MBLUR)),
885     fname0, fname1, fname0, fname1);
886     iter++;
887 greg 2.1 } else /* no blurring */
888     strcpy(combuf, "pinterp");
889     strcat(combuf, viewopt(vp));
890     if (vbool(RTRACE))
891 greg 2.2 sprintf(combuf+strlen(combuf), " -ff -fr '%s -w0 %s'",
892 greg 2.1 rendopt, vval(OCTREE));
893     if (vdef(PINTERP))
894     sprintf(combuf+strlen(combuf), " %s", vval(PINTERP));
895     if (usepfilt)
896     sprintf(combuf+strlen(combuf), " %s", rresopt);
897     else
898     sprintf(combuf+strlen(combuf), " %s -e %s",
899     fresopt, ep);
900     sprintf(combuf+strlen(combuf), " %s.unf %s.zbf",
901     fnbefore, fnbefore);
902 greg 2.2 if (frseq[1] != frseq[0])
903 greg 2.1 sprintf(combuf+strlen(combuf), " %s.unf %s.zbf",
904     fnafter, fnafter);
905     if (usepfilt) { /* also pfilt */
906     if (vdef(PFILT))
907     sprintf(combuf+strlen(combuf), " | pfilt %s",
908     vval(PFILT));
909     else
910     strcat(combuf, " | pfilt");
911     if (ep != NULL)
912     sprintf(combuf+strlen(combuf), " -1 -e %s %s",
913     ep, fresopt);
914     else
915     sprintf(combuf+strlen(combuf), " %s", fresopt);
916     }
917     } else if (usepfilt) { /* pfilt only */
918 greg 2.2 if (rvr == 2)
919     return(1);
920 greg 2.1 if (vdef(PFILT))
921     sprintf(combuf, "pfilt %s", vval(PFILT));
922     else
923     strcpy(combuf, "pfilt");
924     if (ep != NULL)
925     sprintf(combuf+strlen(combuf), " -1 -e %s %s %s.unf",
926     ep, fresopt, fnbefore);
927     else
928     sprintf(combuf+strlen(combuf), " %s %s.unf",
929     fresopt, fnbefore);
930     } else { /* else just check it */
931 greg 2.2 if (rvr == 2)
932     return(1);
933 greg 2.7 sprintf(combuf, "ra_rgbe -e %s -r %s.unf", ep, fnbefore);
934 greg 2.1 }
935     /* output file name */
936 greg 2.6 sprintf(fname0, vval(BASENAME), frame);
937     sprintf(combuf+strlen(combuf), " > %s.pic", fname0);
938 greg 2.2 if (rvr) /* in recovery */
939     return(runcom(combuf));
940     bruncom(combuf, frame, frecover); /* else run in background */
941     return(0);
942 greg 2.1 }
943    
944    
945     VIEW *
946     getview(n) /* get view number n */
947     int n;
948     {
949     static FILE *viewfp = NULL; /* view file pointer */
950     static int viewnum = 0; /* current view number */
951     static VIEW curview = STDVIEW; /* current view */
952     char linebuf[256];
953    
954     if (n == 0) { /* signal to close file and clean up */
955     if (viewfp != NULL) {
956     fclose(viewfp);
957     viewfp = NULL;
958     viewnum = 0;
959     copystruct(&curview, &stdview);
960     }
961     return(NULL);
962     }
963     if (viewfp == NULL) { /* open file */
964     if ((viewfp = fopen(vval(VIEWFILE), "r")) == NULL) {
965     perror(vval(VIEWFILE));
966     quit(1);
967     }
968     } else if (n < viewnum) { /* rewind file */
969 greg 2.8 if (viewnum == 1 && feof(viewfp))
970     return(&curview); /* just one view */
971 greg 2.1 if (fseek(viewfp, 0L, 0) == EOF) {
972     perror(vval(VIEWFILE));
973     quit(1);
974     }
975     copystruct(&curview, &stdview);
976     viewnum = 0;
977     }
978     while (n > viewnum) { /* scan to desired view */
979     if (fgets(linebuf, sizeof(linebuf), viewfp) == NULL)
980 greg 2.8 return(viewnum==1 ? &curview : NULL);
981 greg 2.1 if (isview(linebuf) && sscanview(&curview, linebuf) > 0)
982     viewnum++;
983     }
984     return(&curview); /* return it */
985     }
986    
987    
988     int
989     countviews() /* count views in view file */
990     {
991     register int n = 0;
992    
993     while (getview(n+1) != NULL)
994     n++;
995     return(n);
996     }
997    
998    
999     char *
1000     getexp(n) /* get exposure for nth frame */
1001     int n;
1002     {
1003     extern char *fskip();
1004     static char expval[32];
1005     static FILE *expfp = NULL;
1006     static long *exppos;
1007     static int curfrm;
1008     register char *cp;
1009    
1010     if (n == 0) { /* signal to close file */
1011     if (expfp != NULL) {
1012     fclose(expfp);
1013     expfp = NULL;
1014     }
1015     return(NULL);
1016     }
1017     if (!vdef(EXPOSURE)) /* no setting (auto) */
1018     return(NULL);
1019     if (isflt(vval(EXPOSURE))) /* always the same */
1020     return(vval(EXPOSURE));
1021     if (expfp == NULL) { /* open exposure file */
1022     if ((expfp = fopen(vval(EXPOSURE), "r")) == NULL) {
1023     fprintf(stderr,
1024     "%s: cannot open exposure file \"%s\"\n",
1025     progname, vval(EXPOSURE));
1026     quit(1);
1027     }
1028     curfrm = vint(END) + 1; /* init lookup tab. */
1029     exppos = (long *)malloc(curfrm*sizeof(long *));
1030     if (exppos == NULL) {
1031     perror(progname);
1032     quit(1);
1033     }
1034     while (curfrm--)
1035     exppos[curfrm] = -1L;
1036     curfrm = 0;
1037     }
1038     /* find position in file */
1039     if (n-1 != curfrm && n != curfrm && exppos[n-1] >= 0 &&
1040     fseek(expfp, exppos[curfrm=n-1], 0) == EOF) {
1041     fprintf(stderr, "%s: seek error on exposure file\n", progname);
1042     quit(1);
1043     }
1044     while (n > curfrm) { /* read exposure */
1045     if (exppos[curfrm] < 0)
1046     exppos[curfrm] = ftell(expfp);
1047     if (fgets(expval, sizeof(expval), expfp) == NULL) {
1048     fprintf(stderr, "%s: too few exposures\n",
1049     vval(EXPOSURE));
1050     quit(1);
1051     }
1052     curfrm++;
1053     cp = fskip(expval); /* check format */
1054     if (cp == NULL || *cp != '\n') {
1055     fprintf(stderr,
1056     "%s: exposure format error on line %d\n",
1057     vval(EXPOSURE), curfrm);
1058     quit(1);
1059     }
1060     *cp = '\0';
1061     }
1062     return(expval); /* return value */
1063     }
1064    
1065    
1066 greg 2.2 struct pslot *
1067     findpslot(pid) /* find or allocate a process slot */
1068     int pid;
1069     {
1070     register struct pslot *psempty = NULL;
1071     register int i;
1072    
1073     for (i = 0; i < npslots; i++) { /* look for match */
1074     if (pslot[i].pid == pid)
1075     return(pslot+i);
1076     if (psempty == NULL && pslot[i].pid == 0)
1077     psempty = pslot+i;
1078     }
1079     return(psempty); /* return emtpy slot (error if NULL) */
1080     }
1081    
1082    
1083     int
1084     donecom(ps, pn, status) /* clean up after finished process */
1085     PSERVER *ps;
1086     int pn;
1087     int status;
1088     {
1089     register PROC *pp;
1090    
1091     pp = ps->proc + pn;
1092 greg 2.3 if (pp->elen) { /* pass errors */
1093 greg 2.2 if (ps->hostname[0])
1094 greg 2.3 fprintf(stderr, "%s: ", ps->hostname);
1095     fprintf(stderr, "Error output from: %s\n", pp->com);
1096 greg 2.2 fputs(pp->errs, stderr);
1097     fflush(stderr);
1098     if (ps->hostname[0])
1099     status = 1; /* because rsh doesn't return status */
1100     }
1101     freestr(pp->com); /* free command string */
1102     lastpid = pp->pid; /* record PID for bwait() */
1103     lastpserver = ps; /* record server for serverdown() */
1104     return(status);
1105     }
1106    
1107    
1108     int
1109     serverdown() /* check status of last process server */
1110     {
1111     if (pserverOK(lastpserver)) /* server still up? */
1112     return(0);
1113     delpserver(lastpserver); /* else delete it */
1114     if (pslist == NULL) {
1115     fprintf(stderr, "%s: all process servers are down\n",
1116     progname);
1117     quit(1);
1118     }
1119     return(1);
1120     }
1121    
1122    
1123     int
1124     bruncom(com, fout, rf) /* run a command in the background */
1125     char *com;
1126     int fout;
1127     int (*rf)();
1128     {
1129     int pid;
1130     register struct pslot *psl;
1131    
1132 greg 2.5 if (noaction) {
1133     if (!silent)
1134     printf("\t%s\n", com); /* echo command */
1135 greg 2.2 return(0);
1136 greg 2.5 }
1137 greg 2.2 /* else start it when we can */
1138     while ((pid = startjob(NULL, savestr(com), donecom)) == -1)
1139     bwait(1);
1140 greg 2.5 if (!silent) { /* echo command */
1141 greg 2.3 PSERVER *ps;
1142     int psn = pid;
1143 greg 2.4 ps = findjob(&psn);
1144 greg 2.5 printf("\t%s\n", com);
1145 greg 2.4 printf("\tProcess started on %s\n", phostname(ps));
1146 greg 2.3 fflush(stdout);
1147     }
1148 greg 2.2 psl = findpslot(pid); /* record info. in appropriate slot */
1149     psl->pid = pid;
1150     psl->fout = fout;
1151     psl->rcvf = rf;
1152     return(pid);
1153     }
1154    
1155    
1156     bwait(ncoms) /* wait for batch job(s) to finish */
1157     int ncoms;
1158     {
1159     int status;
1160     register struct pslot *psl;
1161    
1162     if (noaction)
1163     return;
1164     while ((status = wait4job(NULL, -1)) != -1) {
1165     psl = findpslot(lastpid);
1166     if (status) { /* attempt recovery */
1167     serverdown(); /* check server */
1168     if (psl->rcvf == NULL || (*psl->rcvf)(psl->fout)) {
1169     fprintf(stderr,
1170     "%s: error rendering frame %d\n",
1171     progname, psl->fout);
1172     quit(1);
1173     }
1174     }
1175     psl->pid = 0; /* free process slot */
1176     if (!--ncoms)
1177     return; /* done enough */
1178     }
1179     }
1180    
1181    
1182     int
1183 greg 2.4 pruncom(com, ppins, maxcopies) /* run a command in parallel over network */
1184     char *com, *ppins;
1185 greg 2.2 int maxcopies;
1186     {
1187     int retstatus = 0;
1188 greg 2.3 int hostcopies;
1189 greg 2.4 char com1buf[10240], *com1, *endcom1;
1190 greg 2.2 int status;
1191     register PSERVER *ps;
1192    
1193 greg 2.3 if (!silent)
1194 greg 2.6 printf("\t%s\n", com); /* echo command */
1195 greg 2.3 if (noaction)
1196 greg 2.2 return(0);
1197 greg 2.3 fflush(stdout);
1198 greg 2.2 /* start jobs on each server */
1199 greg 2.3 for (ps = pslist; ps != NULL; ps = ps->next) {
1200     hostcopies = 0;
1201 greg 2.4 if (maxcopies > 1 && ps->nprocs > 1 && ppins != NULL) {
1202     strcpy(com1=com1buf, com); /* build -PP command */
1203     sprintf(com1+(ppins-com), " -PP %s/%s.persist",
1204     vval(DIRECTORY), phostname(ps));
1205     strcat(com1, ppins);
1206     endcom1 = com1 + strlen(com1);
1207     sprintf(endcom1, "; kill `sed -n '1s/^[^ ]* //p' %s/%s.persist`",
1208     vval(DIRECTORY), phostname(ps));
1209     } else {
1210     com1 = com;
1211     endcom1 = NULL;
1212     }
1213 greg 2.2 while (maxcopies > 0 &&
1214 greg 2.4 startjob(ps, savestr(com1), donecom) != -1) {
1215 greg 2.2 sleep(10);
1216 greg 2.3 hostcopies++;
1217 greg 2.2 maxcopies--;
1218 greg 2.4 if (endcom1 != NULL)
1219     *endcom1 = '\0';
1220 greg 2.2 }
1221 greg 2.3 if (!silent && hostcopies) {
1222     if (hostcopies > 1)
1223     printf("\t%d duplicate processes", hostcopies);
1224     else
1225     printf("\tProcess");
1226 greg 2.4 printf(" started on %s\n", phostname(ps));
1227 greg 2.3 fflush(stdout);
1228     }
1229     }
1230 greg 2.2 /* wait for jobs to finish */
1231     while ((status = wait4job(NULL, -1)) != -1)
1232     if (status)
1233     retstatus += !serverdown(); /* check server */
1234     return(retstatus);
1235     }
1236    
1237    
1238     runcom(cs) /* run a command locally and wait for it */
1239 greg 2.1 char *cs;
1240     {
1241     if (!silent) /* echo it */
1242     printf("\t%s\n", cs);
1243     if (noaction)
1244     return(0);
1245     fflush(stdout); /* flush output and pass to shell */
1246     return(system(cs));
1247     }
1248    
1249    
1250     rmfile(fn) /* remove a file */
1251     char *fn;
1252     {
1253     if (!silent)
1254     #ifdef MSDOS
1255     printf("\tdel %s\n", fn);
1256     #else
1257     printf("\trm -f %s\n", fn);
1258     #endif
1259     if (noaction)
1260     return(0);
1261     return(unlink(fn));
1262     }
1263    
1264    
1265     badvalue(vc) /* report bad variable value and exit */
1266     int vc;
1267     {
1268     fprintf(stderr, "%s: bad value for variable '%s'\n",
1269     progname, vnam(vc));
1270     quit(1);
1271     }