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root/radiance/ray/src/util/ranimate.c
Revision: 2.47
Committed: Tue Jun 8 19:48:31 2004 UTC (19 years, 10 months ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: rad3R6, rad3R6P1
Changes since 2.46: +2 -4 lines
Log Message:
Removed redundant #include's and fixed ordering on some headers

File Contents

# User Rev Content
1 greg 2.1 #ifndef lint
2 greg 2.47 static const char RCSid[] = "$Id: ranimate.c,v 2.46 2004/03/26 21:36:20 schorsch Exp $";
3 greg 2.1 #endif
4     /*
5     * Radiance animation control program
6 greg 2.29 *
7     * The main difference between this program and ranimove is that
8     * we have many optimizations here for camera motion in static
9     * environments, calling rpict and pinterp on multiple processors,
10     * where ranimove puts its emphasis on object motion, and does
11     * not use any external programs for image generation.
12     *
13     * See the ranimate(1) man page for further details.
14     */
15    
16 greg 2.31 #include "copyright.h"
17 greg 2.1
18 schorsch 2.43 #include <stdio.h>
19 greg 2.2 #include <ctype.h>
20 greg 2.1 #include <sys/stat.h>
21 schorsch 2.43 #include <time.h>
22 schorsch 2.46 #include <signal.h>
23 schorsch 2.39
24 schorsch 2.43 #include "platform.h"
25 schorsch 2.39 #include "paths.h"
26 greg 2.47 #include "standard.h"
27 greg 2.1 #include "view.h"
28     #include "vars.h"
29 greg 2.2 #include "netproc.h"
30 greg 2.29 /* default blur samples */
31     #ifndef DEF_NBLUR
32     #define DEF_NBLUR 5
33     #endif
34 greg 2.10 /* default remote shell */
35     #define REMSH "rsh"
36 gwlarson 2.27 /* input variables (alphabetical by name) */
37     #define ANIMATE 0 /* animation command */
38     #define ARCHIVE 1 /* archiving command */
39     #define BASENAME 2 /* output image base name */
40     #define DIRECTORY 3 /* working (sub)directory */
41     #define DISKSPACE 4 /* how much disk space to use */
42     #define END 5 /* ending frame number */
43     #define EXPOSURE 6 /* how to compute exposure */
44     #define HOST 7 /* rendering host machine */
45     #define INTERP 8 /* # frames to interpolate */
46 greg 2.29 #define MBLUR 9 /* motion blur parameters */
47 gwlarson 2.27 #define NEXTANIM 10 /* next animation file */
48     #define OCTREE 11 /* octree file name */
49     #define OVERSAMP 12 /* # times to oversample image */
50     #define PFILT 13 /* pfilt options */
51     #define PINTERP 14 /* pinterp options */
52     #define RENDER 15 /* rendering options */
53     #define RESOLUTION 16 /* desired final resolution */
54     #define RIF 17 /* rad input file */
55     #define RSH 18 /* remote shell script or program */
56     #define RTRACE 19 /* use rtrace with pinterp? */
57     #define START 20 /* starting frame number */
58     #define TRANSFER 21 /* frame transfer command */
59     #define VIEWFILE 22 /* animation frame views */
60 greg 2.1
61 greg 2.10 int NVARS = 23; /* total number of variables */
62 greg 2.1
63     VARIABLE vv[] = { /* variable-value pairs */
64 gwlarson 2.27 {"ANIMATE", 2, 0, NULL, onevalue},
65     {"ARCHIVE", 2, 0, NULL, onevalue},
66     {"BASENAME", 3, 0, NULL, onevalue},
67 greg 2.1 {"DIRECTORY", 3, 0, NULL, onevalue},
68 gwlarson 2.27 {"DISKSPACE", 3, 0, NULL, fltvalue},
69 greg 2.1 {"END", 2, 0, NULL, intvalue},
70 gwlarson 2.27 {"EXPOSURE", 3, 0, NULL, onevalue},
71     {"host", 4, 0, NULL, NULL},
72     {"INTERPOLATE", 3, 0, NULL, intvalue},
73     {"MBLUR", 2, 0, NULL, onevalue},
74 greg 2.1 {"NEXTANIM", 3, 0, NULL, onevalue},
75 gwlarson 2.27 {"OCTREE", 3, 0, NULL, onevalue},
76 greg 2.5 {"OVERSAMPLE", 2, 0, NULL, fltvalue},
77 gwlarson 2.27 {"pfilt", 2, 0, NULL, catvalues},
78     {"pinterp", 2, 0, NULL, catvalues},
79     {"render", 3, 0, NULL, catvalues},
80 greg 2.1 {"RESOLUTION", 3, 0, NULL, onevalue},
81 gwlarson 2.27 {"RIF", 3, 0, NULL, onevalue},
82 greg 2.10 {"RSH", 3, 0, NULL, onevalue},
83 gwlarson 2.27 {"RTRACE", 2, 0, NULL, boolvalue},
84     {"START", 2, 0, NULL, intvalue},
85     {"TRANSFER", 2, 0, NULL, onevalue},
86     {"VIEWFILE", 2, 0, NULL, onevalue},
87 greg 2.1 };
88    
89     #define SFNAME "STATUS" /* status file name */
90    
91     struct {
92     char host[64]; /* control host name */
93     int pid; /* control process id */
94     char cfname[128]; /* control file name */
95     int rnext; /* next frame to render */
96     int fnext; /* next frame to filter */
97     int tnext; /* next frame to transfer */
98     } astat; /* animation status */
99    
100     char *progname; /* our program name */
101     char *cfname; /* our control file name */
102    
103     int nowarn = 0; /* turn warnings off? */
104     int silent = 0; /* silent mode? */
105     int noaction = 0; /* take no action? */
106    
107 greg 2.10 char *remsh; /* remote shell program/script */
108 greg 2.21 char rendopt[2048]; /* rendering options */
109 greg 2.1 char rresopt[32]; /* rendering resolution options */
110     char fresopt[32]; /* filter resolution options */
111     int pfiltalways; /* always use pfilt? */
112    
113 greg 2.7 char arcargs[10240]; /* files to archive */
114     char *arcfirst, *arcnext; /* pointers to first and next argument */
115    
116 greg 2.2 struct pslot {
117     int pid; /* process ID (0 if empty) */
118     int fout; /* output frame number */
119     int (*rcvf)(); /* recover function */
120     } *pslot; /* process slots */
121     int npslots; /* number of process slots */
122    
123 greg 2.4 #define phostname(ps) ((ps)->hostname[0] ? (ps)->hostname : astat.host)
124 greg 2.18 PSERVER *lastpserver; /* last process server with error */
125    
126 schorsch 2.43 static struct pslot * findpslot(int pid);
127     static void checkdir(void);
128     static VIEW * getview(int n);
129    
130     static char * dirfile(char *df, register char *path);
131     static char * getexp(int n);
132     static int getblur(double *bf);
133     static int getastat(void);
134     static void getradfile(char *rfargs);
135     static void badvalue(int vc);
136     static int rmfile(char *fn);
137     static int runcom(char *cs);
138     static int pruncom(char *com, char *ppins, int maxcopies);
139     static void bwait(int ncoms);
140     static int bruncom(char *com, int fout, int (*rf)());
141     static int serverdown(void);
142 schorsch 2.46 static pscompfunc donecom;
143 schorsch 2.43 static int countviews(void);
144     static int dofilt(int frame, int rvr);
145     static void archive(void);
146     static int frecover(int frame);
147     static int recover(int frame);
148     static void sethosts(void);
149     static void walkwait(int first, int last, char *vfn);
150     static void animrend(int frame, VIEW *vp);
151     static void transferframes(void);
152     static void filterframes(void);
153     static void renderframes(int nframes);
154     static void animate(void);
155     static void setdefaults(void);
156     static void putastat(void);
157 greg 2.1
158 greg 2.12
159 schorsch 2.46 int
160     main(
161     int argc,
162     char *argv[]
163     )
164 greg 2.1 {
165     int explicate = 0;
166     int i;
167    
168     progname = argv[0]; /* get arguments */
169     for (i = 1; i < argc && argv[i][0] == '-'; i++)
170     switch (argv[i][1]) {
171     case 'e': /* print variables */
172     explicate++;
173     break;
174     case 'w': /* turn off warnings */
175     nowarn++;
176     break;
177     case 's': /* silent mode */
178     silent++;
179     break;
180     case 'n': /* take no action */
181     noaction++;
182     break;
183     default:
184     goto userr;
185     }
186     if (i != argc-1)
187     goto userr;
188     cfname = argv[i];
189     /* load variables */
190     loadvars(cfname);
191 greg 2.22 /* check variables */
192     checkvalues();
193 greg 2.1 /* did we get DIRECTORY? */
194     checkdir();
195     /* check status */
196     if (getastat() < 0) {
197     fprintf(stderr, "%s: exiting\n", progname);
198     quit(1);
199     }
200     /* pfilt always if options given */
201     pfiltalways = vdef(PFILT);
202     /* load RIF if any */
203     if (vdef(RIF))
204     getradfile(vval(RIF));
205     /* set defaults */
206     setdefaults();
207     /* print variables */
208     if (explicate)
209     printvars(stdout);
210 greg 2.2 /* set up process servers */
211     sethosts();
212 greg 2.1 /* run animation */
213     animate();
214     /* all done */
215     if (vdef(NEXTANIM)) {
216     argv[i] = vval(NEXTANIM); /* just change input file */
217     if (!silent)
218     printargs(argc, argv, stdout);
219 greg 2.11 if ((argv[0] = getpath(progname,getenv("PATH"),X_OK)) == NULL)
220     fprintf(stderr, "%s: command not found\n", progname);
221     else
222     execv(progname, argv);
223     quit(1);
224 greg 2.1 }
225     quit(0);
226 schorsch 2.46 return 0; /* pro forma return */
227 greg 2.1 userr:
228     fprintf(stderr, "Usage: %s [-s][-n][-w][-e] anim_file\n", progname);
229     quit(1);
230 schorsch 2.46 return 1; /* pro forma return */
231 greg 2.1 }
232    
233    
234 schorsch 2.43 static int
235     getastat(void) /* check/set animation status */
236 greg 2.1 {
237 greg 2.12 char sfname[256];
238 greg 2.1 FILE *fp;
239    
240 greg 2.12 sprintf(sfname, "%s/%s", vval(DIRECTORY), SFNAME);
241     if ((fp = fopen(sfname, "r")) == NULL) {
242 greg 2.1 if (errno != ENOENT) {
243 greg 2.12 perror(sfname);
244 greg 2.1 return(-1);
245     }
246     astat.rnext = astat.fnext = astat.tnext = 0;
247     goto setours;
248     }
249     if (fscanf(fp, "Control host: %s\n", astat.host) != 1)
250     goto fmterr;
251     if (fscanf(fp, "Control PID: %d\n", &astat.pid) != 1)
252     goto fmterr;
253     if (fscanf(fp, "Control file: %s\n", astat.cfname) != 1)
254     goto fmterr;
255     if (fscanf(fp, "Next render: %d\n", &astat.rnext) != 1)
256     goto fmterr;
257     if (fscanf(fp, "Next filter: %d\n", &astat.fnext) != 1)
258     goto fmterr;
259     if (fscanf(fp, "Next transfer: %d\n", &astat.tnext) != 1)
260     goto fmterr;
261     fclose(fp);
262     if (astat.pid != 0) { /* thinks it's still running */
263 greg 2.9 if (strcmp(myhostname(), astat.host)) {
264 greg 2.1 fprintf(stderr,
265     "%s: process %d may still be running on host %s\n",
266     progname, astat.pid, astat.host);
267     return(-1);
268     }
269     if (kill(astat.pid, 0) != -1 || errno != ESRCH) {
270     fprintf(stderr, "%s: process %d is still running\n",
271     progname, astat.pid);
272     return(-1);
273     }
274     /* assume it is dead */
275     }
276 greg 2.20 if (strcmp(cfname, astat.cfname) && astat.pid != 0) { /* other's */
277 greg 2.1 fprintf(stderr, "%s: unfinished job \"%s\"\n",
278     progname, astat.cfname);
279     return(-1);
280     }
281 greg 2.12 /* check control file mods. */
282     if (!nowarn && fdate(cfname) > fdate(sfname))
283     fprintf(stderr,
284     "%s: warning - control file modified since last run\n",
285     progname);
286 greg 2.1 setours: /* set our values */
287 greg 2.9 strcpy(astat.host, myhostname());
288 greg 2.1 astat.pid = getpid();
289     strcpy(astat.cfname, cfname);
290     return(0);
291     fmterr:
292     fprintf(stderr, "%s: format error in status file \"%s\"\n",
293 greg 2.12 progname, sfname);
294 greg 2.1 fclose(fp);
295     return(-1);
296     }
297    
298    
299 schorsch 2.43 static void
300     putastat(void) /* put out current status */
301 greg 2.1 {
302     char buf[256];
303     FILE *fp;
304    
305 greg 2.2 if (noaction)
306     return;
307 greg 2.1 sprintf(buf, "%s/%s", vval(DIRECTORY), SFNAME);
308     if ((fp = fopen(buf, "w")) == NULL) {
309     perror(buf);
310     quit(1);
311     }
312     fprintf(fp, "Control host: %s\n", astat.host);
313     fprintf(fp, "Control PID: %d\n", astat.pid);
314     fprintf(fp, "Control file: %s\n", astat.cfname);
315     fprintf(fp, "Next render: %d\n", astat.rnext);
316     fprintf(fp, "Next filter: %d\n", astat.fnext);
317     fprintf(fp, "Next transfer: %d\n", astat.tnext);
318     fclose(fp);
319     }
320    
321    
322 schorsch 2.43 static void
323     checkdir(void) /* make sure we have our directory */
324 greg 2.1 {
325     struct stat stb;
326    
327     if (!vdef(DIRECTORY)) {
328     fprintf(stderr, "%s: %s undefined\n",
329     progname, vnam(DIRECTORY));
330     quit(1);
331     }
332     if (stat(vval(DIRECTORY), &stb) == -1) {
333     if (errno == ENOENT && mkdir(vval(DIRECTORY), 0777) == 0)
334     return;
335     perror(vval(DIRECTORY));
336     quit(1);
337     }
338     if (!(stb.st_mode & S_IFDIR)) {
339     fprintf(stderr, "%s: not a directory\n", vval(DIRECTORY));
340     quit(1);
341     }
342     }
343    
344    
345 schorsch 2.43 static void
346     setdefaults(void) /* set default values */
347 greg 2.1 {
348 greg 2.10 extern char *atos();
349 greg 2.19 int decades;
350 greg 2.1 char buf[256];
351    
352 greg 2.2 if (vdef(ANIMATE)) {
353     vval(OCTREE) = NULL;
354     vdef(OCTREE) = 0;
355     } else if (!vdef(OCTREE)) {
356 greg 2.1 fprintf(stderr, "%s: either %s or %s must be defined\n",
357     progname, vnam(OCTREE), vnam(ANIMATE));
358     quit(1);
359     }
360     if (!vdef(VIEWFILE)) {
361     fprintf(stderr, "%s: %s undefined\n", progname, vnam(VIEWFILE));
362     quit(1);
363     }
364 greg 2.2 if (!vdef(HOST)) {
365     vval(HOST) = LHOSTNAME;
366     vdef(HOST)++;
367     }
368 greg 2.1 if (!vdef(START)) {
369     vval(START) = "1";
370     vdef(START)++;
371     }
372     if (!vdef(END)) {
373 greg 2.5 sprintf(buf, "%d", countviews()+vint(START)-1);
374 greg 2.1 vval(END) = savqstr(buf);
375     vdef(END)++;
376     }
377 greg 2.5 if (vint(END) < vint(START)) {
378     fprintf(stderr, "%s: ending frame less than starting frame\n",
379     progname);
380     quit(1);
381     }
382 greg 2.1 if (!vdef(BASENAME)) {
383 greg 2.19 decades = (int)log10((double)vint(END)) + 1;
384     if (decades < 3) decades = 3;
385     sprintf(buf, "%s/frame%%0%dd", vval(DIRECTORY), decades);
386 greg 2.1 vval(BASENAME) = savqstr(buf);
387     vdef(BASENAME)++;
388     }
389     if (!vdef(RESOLUTION)) {
390     vval(RESOLUTION) = "640";
391     vdef(RESOLUTION)++;
392     }
393     if (!vdef(OVERSAMP)) {
394     vval(OVERSAMP) = "2";
395     vdef(OVERSAMP)++;
396     }
397     if (!vdef(INTERP)) {
398     vval(INTERP) = "0";
399     vdef(INTERP)++;
400     }
401     if (!vdef(MBLUR)) {
402     vval(MBLUR) = "0";
403     vdef(MBLUR)++;
404     }
405     if (!vdef(RTRACE)) {
406     vval(RTRACE) = "F";
407     vdef(RTRACE)++;
408     }
409     if (!vdef(DISKSPACE)) {
410     if (!nowarn)
411     fprintf(stderr,
412     "%s: warning - no %s setting, assuming 100 Mbytes available\n",
413     progname, vnam(DISKSPACE));
414     vval(DISKSPACE) = "100";
415     vdef(DISKSPACE)++;
416     }
417 greg 2.10 if (!vdef(RSH)) {
418     vval(RSH) = REMSH;
419     vdef(RSH)++;
420     }
421     /* locate remote shell program */
422     atos(buf, sizeof(buf), vval(RSH));
423     if ((remsh = getpath(buf, getenv("PATH"), X_OK)) != NULL)
424     remsh = savqstr(remsh);
425     else
426     remsh = vval(RSH); /* will generate error if used */
427    
428 greg 2.1 /* append rendering options */
429     if (vdef(RENDER))
430     sprintf(rendopt+strlen(rendopt), " %s", vval(RENDER));
431     }
432    
433    
434 schorsch 2.43 static void
435     sethosts(void) /* set up process servers */
436 greg 2.2 {
437     extern char *iskip();
438     char buf[256], *dir, *uname;
439     int np;
440     register char *cp;
441     int i;
442    
443     npslots = 0;
444     if (noaction)
445     return;
446     for (i = 0; i < vdef(HOST); i++) { /* add each host */
447     dir = uname = NULL;
448     np = 1;
449     strcpy(cp=buf, nvalue(HOST, i)); /* copy to buffer */
450     cp = sskip(cp); /* skip host name */
451     while (isspace(*cp))
452     *cp++ = '\0';
453     if (*cp) { /* has # processes? */
454     np = atoi(cp);
455     if ((cp = iskip(cp)) == NULL || (*cp && !isspace(*cp)))
456     badvalue(HOST);
457     while (isspace(*cp))
458     cp++;
459     if (*cp) { /* has directory? */
460     dir = cp;
461     cp = sskip(cp); /* skip dir. */
462     while (isspace(*cp))
463     *cp++ = '\0';
464     if (*cp) { /* has user? */
465     uname = cp;
466     if (*sskip(cp))
467     badvalue(HOST);
468     }
469     }
470     }
471     if (addpserver(buf, dir, uname, np) == NULL) {
472     if (!nowarn)
473     fprintf(stderr,
474     "%s: cannot execute on host \"%s\"\n",
475     progname, buf);
476     } else
477     npslots += np;
478     }
479     if (npslots == 0) {
480     fprintf(stderr, "%s: no working process servers\n", progname);
481     quit(1);
482     }
483     pslot = (struct pslot *)calloc(npslots, sizeof(struct pslot));
484     if (pslot == NULL) {
485     perror("malloc");
486     quit(1);
487     }
488     }
489    
490 schorsch 2.43 static void
491     getradfile(char *rfargs) /* run rad and get needed variables */
492 greg 2.1 {
493     static short mvar[] = {OCTREE,PFILT,RESOLUTION,EXPOSURE,-1};
494     char combuf[256];
495     register int i;
496     register char *cp;
497 schorsch 2.46 char *pippt = NULL;
498 greg 2.1 /* create rad command */
499     sprintf(rendopt, " @%s/render.opt", vval(DIRECTORY));
500     sprintf(combuf,
501     "rad -v 0 -s -e -w %s OPTFILE=%s | egrep '^[ \t]*(NOMATCH",
502 greg 2.7 rfargs, rendopt+2);
503 greg 2.1 cp = combuf;
504 gregl 2.23 while (*cp) {
505     if (*cp == '|') pippt = cp;
506     cp++;
507     } /* match unset variables */
508 greg 2.1 for (i = 0; mvar[i] >= 0; i++)
509     if (!vdef(mvar[i])) {
510     *cp++ = '|';
511     strcpy(cp, vnam(mvar[i]));
512     while (*cp) cp++;
513 gregl 2.23 pippt = NULL;
514 greg 2.1 }
515 gregl 2.23 if (pippt != NULL)
516 schorsch 2.39 strcpy(pippt, "> " NULL_DEVICE); /* nothing to match */
517 gregl 2.23 else {
518     sprintf(cp, ")[ \t]*=' > %s/radset.var", vval(DIRECTORY));
519     cp += 11; /* point to file name */
520     }
521 gwlarson 2.28 system(combuf); /* ignore exit code */
522 gregl 2.23 if (pippt == NULL) { /* load variables and remove file */
523     loadvars(cp);
524     unlink(cp);
525     }
526 greg 2.1 }
527    
528    
529 schorsch 2.43 static void
530     animate(void) /* run animation */
531 greg 2.1 {
532     int xres, yres;
533     float pa, mult;
534     int frames_batch;
535     register int i;
536     double d1, d2;
537     /* compute rpict resolution */
538     i = sscanf(vval(RESOLUTION), "%d %d %f", &xres, &yres, &pa);
539     mult = vflt(OVERSAMP);
540     if (i == 3) {
541 greg 2.16 sprintf(rresopt, "-x %d -y %d -pa %.3f", (int)(mult*xres),
542 greg 2.1 (int)(mult*yres), pa);
543 greg 2.16 sprintf(fresopt, "-x %d -y %d -pa %.3f", xres, yres, pa);
544 greg 2.1 } else if (i) {
545     if (i == 1) yres = xres;
546     sprintf(rresopt, "-x %d -y %d", (int)(mult*xres),
547     (int)(mult*yres));
548     sprintf(fresopt, "-x %d -y %d -pa 1", xres, yres);
549     } else
550     badvalue(RESOLUTION);
551     /* consistency checks */
552     if (vdef(ANIMATE)) {
553     if (vint(INTERP)) {
554     if (!nowarn)
555     fprintf(stderr,
556     "%s: resetting %s=0 for animation\n",
557     progname, vnam(INTERP));
558     vval(INTERP) = "0";
559     }
560 greg 2.29 if (strcmp(vval(MBLUR),"0")) { /* can't handle this */
561 greg 2.1 if (!nowarn)
562     fprintf(stderr,
563     "%s: resetting %s=0 for animation\n",
564     progname, vnam(MBLUR));
565     vval(MBLUR) = "0";
566     }
567     }
568     /* figure # frames per batch */
569     d1 = mult*xres*mult*yres*4; /* space for orig. picture */
570 greg 2.29 if ((i=vint(INTERP)) || getblur(NULL) > 1)
571 greg 2.13 d1 += mult*xres*mult*yres*sizeof(float); /* Z-buffer */
572 greg 2.1 d2 = xres*yres*4; /* space for final picture */
573     frames_batch = (i+1)*(vflt(DISKSPACE)*1048576.-d1)/(d1+i*d2);
574     if (frames_batch < i+2) {
575     fprintf(stderr, "%s: insufficient disk space allocated\n",
576     progname);
577     quit(1);
578     }
579 greg 2.7 /* initialize archive argument list */
580 gwlarson 2.25 i = vdef(ARCHIVE) ? strlen(vval(ARCHIVE))+132 : 132;
581 greg 2.7 arcnext = arcfirst = arcargs + i;
582 greg 2.1 /* initialize status file */
583     if (astat.rnext == 0)
584     astat.rnext = astat.fnext = astat.tnext = vint(START);
585     putastat();
586     /* render in batches */
587 greg 2.2 while (astat.tnext <= vint(END)) {
588 greg 2.1 renderframes(frames_batch);
589     filterframes();
590     transferframes();
591     }
592     /* mark status as finished */
593     astat.pid = 0;
594     putastat();
595     /* close open files */
596     getview(0);
597     getexp(0);
598     }
599    
600    
601 schorsch 2.43 static void
602     renderframes(int nframes) /* render next nframes frames */
603 greg 2.1 {
604     static char vendbuf[16];
605     VIEW *vp;
606     FILE *fp = NULL;
607     char vfname[128];
608     int lastframe;
609     register int i;
610    
611     if (astat.tnext < astat.rnext) /* other work to do first */
612     return;
613     /* create batch view file */
614     if (!vdef(ANIMATE)) {
615     sprintf(vfname, "%s/anim.vf", vval(DIRECTORY));
616     if ((fp = fopen(vfname, "w")) == NULL) {
617     perror(vfname);
618     quit(1);
619     }
620     }
621     /* bound batch properly */
622     lastframe = astat.rnext + nframes - 1;
623     if ((lastframe-1) % (vint(INTERP)+1)) /* need even interval */
624     lastframe += vint(INTERP)+1 - ((lastframe-1)%(vint(INTERP)+1));
625     if (lastframe > vint(END)) /* check for end */
626     lastframe = vint(END);
627     /* render each view */
628     for (i = astat.rnext; i <= lastframe; i++) {
629     if ((vp = getview(i)) == NULL) {
630     if (!nowarn)
631     fprintf(stderr,
632     "%s: ran out of views before last frame\n",
633     progname);
634     sprintf(vval(END)=vendbuf, "%d", i-1);
635     lastframe = i - 1;
636     break;
637     }
638     if (vdef(ANIMATE)) /* animate frame */
639     animrend(i, vp);
640     else { /* else record it */
641     fputs(VIEWSTR, fp);
642     fprintview(vp, fp);
643     putc('\n', fp);
644     }
645     }
646     if (vdef(ANIMATE)) /* wait for renderings to finish */
647 greg 2.2 bwait(0);
648 greg 2.1 else { /* else if walk-through */
649     fclose(fp); /* close view file */
650     walkwait(astat.rnext, lastframe, vfname); /* walk it */
651     unlink(vfname); /* remove view file */
652     }
653     astat.rnext = i; /* update status */
654     putastat();
655     }
656    
657    
658 schorsch 2.43 static void
659     filterframes(void) /* catch up with filtering */
660 greg 2.1 {
661     register int i;
662    
663     if (astat.tnext < astat.fnext) /* other work to do first */
664     return;
665     /* filter each view */
666 greg 2.38 for (i = astat.fnext; i < astat.rnext; i++)
667     dofilt(i, 0);
668    
669 greg 2.2 bwait(0); /* wait for filter processes */
670 greg 2.7 archive(); /* archive originals */
671 greg 2.1 astat.fnext = i; /* update status */
672     putastat();
673     }
674    
675    
676 schorsch 2.43 static void
677     transferframes(void) /* catch up with picture transfers */
678 greg 2.1 {
679 gwlarson 2.25 char combuf[10240], *fbase;
680 greg 2.1 register char *cp;
681     register int i;
682    
683     if (astat.tnext >= astat.fnext) /* nothing to do, yet */
684     return;
685     if (!vdef(TRANSFER)) { /* no transfer function -- leave 'em */
686     astat.tnext = astat.fnext;
687     putastat(); /* update status */
688     return;
689     }
690 gwlarson 2.25 strcpy(combuf, "cd "); /* start transfer command */
691     fbase = dirfile(cp = combuf+3, vval(BASENAME));
692     if (*cp) {
693     while (*++cp) ;
694     *cp++ = ';'; *cp++ = ' ';
695     } else
696     cp = combuf;
697     strcpy(cp, vval(TRANSFER));
698     while (*cp) cp++;
699 greg 2.1 /* make argument list */
700     for (i = astat.tnext; i < astat.fnext; i++) {
701     *cp++ = ' ';
702 gwlarson 2.25 sprintf(cp, fbase, i);
703 greg 2.1 while (*cp) cp++;
704     strcpy(cp, ".pic");
705     cp += 4;
706     }
707     if (runcom(combuf)) { /* transfer frames */
708     fprintf(stderr, "%s: error running transfer command\n",
709     progname);
710     quit(1);
711     }
712     astat.tnext = i; /* update status */
713     putastat();
714     }
715    
716    
717 schorsch 2.43 static void
718     animrend( /* start animation frame */
719     int frame,
720     VIEW *vp
721     )
722 greg 2.1 {
723     char combuf[2048];
724     char fname[128];
725    
726     sprintf(fname, vval(BASENAME), frame);
727     strcat(fname, ".unf");
728     if (access(fname, F_OK) == 0)
729     return;
730 greg 2.2 sprintf(combuf, "%s %d | rpict%s%s -w0 %s > %s", vval(ANIMATE), frame,
731 greg 2.1 rendopt, viewopt(vp), rresopt, fname);
732 greg 2.2 bruncom(combuf, frame, recover); /* run in background */
733 greg 2.1 }
734    
735    
736 schorsch 2.43 static void
737     walkwait( /* walk-through frames */
738     int first,
739     int last,
740     char *vfn
741     )
742 greg 2.1 {
743 greg 2.29 double blurf;
744     int nblur = getblur(&blurf);
745 greg 2.1 char combuf[2048];
746 greg 2.29 register char *inspoint;
747 greg 2.1 register int i;
748    
749     if (!noaction && vint(INTERP)) /* create dummy frames */
750     for (i = first; i <= last; i++)
751     if (i < vint(END) && (i-1) % (vint(INTERP)+1)) {
752     sprintf(combuf, vval(BASENAME), i);
753     strcat(combuf, ".unf");
754     close(open(combuf, O_RDONLY|O_CREAT, 0666));
755     }
756     /* create command */
757 greg 2.35 sprintf(combuf, "rpict%s%s -w0", rendopt,
758     viewopt(getview(first>1 ? first-1 : 1)));
759 greg 2.29 inspoint = combuf;
760     while (*inspoint) inspoint++;
761     if (nblur) {
762     sprintf(inspoint, " -pm %.3f", blurf/nblur);
763     while (*inspoint) inspoint++;
764     }
765     if (nblur > 1 || vint(INTERP)) {
766     sprintf(inspoint, " -z %s.zbf", vval(BASENAME));
767     while (*inspoint) inspoint++;
768     }
769     sprintf(inspoint, " -o %s.unf %s -S %d",
770 greg 2.4 vval(BASENAME), rresopt, first);
771 greg 2.29 while (*inspoint) inspoint++;
772 greg 2.4 sprintf(inspoint, " %s < %s", vval(OCTREE), vfn);
773 greg 2.2 /* run in parallel */
774 greg 2.7 i = (last-first+1)/(vint(INTERP)+1);
775     if (i < 1) i = 1;
776     if (pruncom(combuf, inspoint, i)) {
777 greg 2.2 fprintf(stderr, "%s: error rendering frames %d through %d\n",
778 greg 2.1 progname, first, last);
779     quit(1);
780     }
781     if (!noaction && vint(INTERP)) /* remove dummy frames */
782     for (i = first; i <= last; i++)
783     if (i < vint(END) && (i-1) % (vint(INTERP)+1)) {
784     sprintf(combuf, vval(BASENAME), i);
785     strcat(combuf, ".unf");
786     unlink(combuf);
787     }
788     }
789    
790    
791 schorsch 2.43 static int
792 greg 2.44 recover(int frame) /* recover the specified frame */
793 greg 2.1 {
794 greg 2.2 static int *rfrm; /* list of recovered frames */
795     static int nrfrms = 0;
796 greg 2.29 double blurf;
797     int nblur = getblur(&blurf);
798 greg 2.1 char combuf[2048];
799     char fname[128];
800     register char *cp;
801 greg 2.2 register int i;
802     /* check to see if recovered already */
803     for (i = nrfrms; i--; )
804     if (rfrm[i] == frame)
805     return(0);
806     /* build command */
807 greg 2.1 sprintf(fname, vval(BASENAME), frame);
808     if (vdef(ANIMATE))
809 greg 2.2 sprintf(combuf, "%s %d | rpict%s -w0",
810 greg 2.1 vval(ANIMATE), frame, rendopt);
811     else
812 greg 2.2 sprintf(combuf, "rpict%s -w0", rendopt);
813 greg 2.29 cp = combuf;
814     while (*cp) cp++;
815     if (nblur) {
816     sprintf(cp, " -pm %.3f", blurf/nblur);
817     while (*cp) cp++;
818     }
819     if (nblur > 1 || vint(INTERP)) {
820 greg 2.1 sprintf(cp, " -z %s.zbf", fname);
821     while (*cp) cp++;
822     }
823     sprintf(cp, " -ro %s.unf", fname);
824     while (*cp) cp++;
825     if (!vdef(ANIMATE)) {
826     *cp++ = ' ';
827     strcpy(cp, vval(OCTREE));
828     }
829 greg 2.2 if (runcom(combuf)) /* run command */
830     return(1);
831     /* add frame to recovered list */
832     if (nrfrms)
833 greg 2.32 rfrm = (int *)realloc((void *)rfrm, (nrfrms+1)*sizeof(int));
834 greg 2.2 else
835     rfrm = (int *)malloc(sizeof(int));
836     if (rfrm == NULL) {
837     perror("malloc");
838 greg 2.1 quit(1);
839     }
840 greg 2.2 rfrm[nrfrms++] = frame;
841     return(0);
842 greg 2.1 }
843    
844    
845 schorsch 2.43 static int
846     frecover(int frame) /* recover filtered frame */
847 greg 2.2 {
848 greg 2.38 if (dofilt(frame, 2) && dofilt(frame, 1))
849 greg 2.2 return(1);
850     return(0);
851     }
852    
853    
854 schorsch 2.43 static void
855     archive(void) /* archive and remove renderings */
856 greg 2.1 {
857 greg 2.2 #define RMCOML (sizeof(rmcom)-1)
858     static char rmcom[] = "rm -f";
859 gwlarson 2.25 char basedir[128];
860     int dlen, alen;
861     register int j;
862 greg 2.1
863 greg 2.7 if (arcnext == arcfirst)
864     return; /* nothing to do */
865 gwlarson 2.25 dirfile(basedir, vval(BASENAME));
866     dlen = strlen(basedir);
867 greg 2.2 if (vdef(ARCHIVE)) { /* run archive command */
868 gwlarson 2.25 alen = strlen(vval(ARCHIVE));
869     if (dlen) {
870     j = alen + dlen + 5;
871     strncpy(arcfirst-j, "cd ", 3);
872     strncpy(arcfirst-j+3, basedir, dlen);
873     (arcfirst-j)[dlen+3] = ';'; (arcfirst-j)[dlen+4] = ' ';
874     } else
875     j = alen;
876     strncpy(arcfirst-alen, vval(ARCHIVE), alen);
877     if (runcom(arcfirst-j)) {
878 greg 2.7 fprintf(stderr, "%s: error running archive command\n",
879     progname);
880 greg 2.2 quit(1);
881     }
882 greg 2.1 }
883 gwlarson 2.25 if (dlen) {
884     j = RMCOML + dlen + 5;
885     strncpy(arcfirst-j, "cd ", 3);
886     strncpy(arcfirst-j+3, basedir, dlen);
887     (arcfirst-j)[dlen+3] = ';'; (arcfirst-j)[dlen+4] = ' ';
888     } else
889     j = RMCOML;
890 greg 2.2 /* run remove command */
891 greg 2.7 strncpy(arcfirst-RMCOML, rmcom, RMCOML);
892 gwlarson 2.25 runcom(arcfirst-j);
893 greg 2.7 arcnext = arcfirst; /* reset argument list */
894 greg 2.2 #undef RMCOML
895 greg 2.1 }
896    
897    
898 schorsch 2.43 static int
899     dofilt( /* filter frame */
900     int frame,
901     int rvr
902     )
903 greg 2.1 {
904 greg 2.6 static int iter = 0;
905 greg 2.29 double blurf;
906     int nblur = getblur(&blurf);
907 greg 2.38 VIEW *vp = getview(frame);
908     char *ep = getexp(frame);
909 gwlarson 2.25 char fnbefore[128], fnafter[128], *fbase;
910 greg 2.6 char combuf[1024], fname0[128], fname1[128];
911 greg 2.7 int usepinterp, usepfilt, nora_rgbe;
912 greg 2.2 int frseq[2];
913 greg 2.1 /* check what is needed */
914 greg 2.38 if (vp == NULL) {
915     fprintf(stderr,
916     "%s: unexpected error reading view for frame %d\n",
917     progname, frame);
918     quit(1);
919     }
920 greg 2.29 usepinterp = (nblur > 1);
921 schorsch 2.41 usepfilt = pfiltalways | (ep==NULL);
922 greg 2.7 if (ep != NULL && !strcmp(ep, "1"))
923     ep = "+0";
924     nora_rgbe = strcmp(vval(OVERSAMP),"1") || ep==NULL ||
925     *ep != '+' || *ep != '-' || !isint(ep);
926 greg 2.1 /* compute rendered views */
927 greg 2.2 frseq[0] = frame - ((frame-1) % (vint(INTERP)+1));
928     frseq[1] = frseq[0] + vint(INTERP) + 1;
929 gwlarson 2.25 fbase = dirfile(NULL, vval(BASENAME));
930 greg 2.2 if (frseq[1] > vint(END))
931     frseq[1] = vint(END);
932     if (frseq[1] == frame) { /* pfilt only */
933     frseq[0] = frseq[1];
934 greg 2.1 usepinterp = 0; /* update what's needed */
935 greg 2.7 usepfilt |= nora_rgbe;
936     } else if (frseq[0] == frame) { /* no interpolation needed */
937     if (!rvr && frame > 1+vint(INTERP)) { /* archive previous */
938     *arcnext++ = ' ';
939 gwlarson 2.25 sprintf(arcnext, fbase, frame-vint(INTERP)-1);
940 greg 2.7 while (*arcnext) arcnext++;
941     strcpy(arcnext, ".unf");
942     arcnext += 4;
943 greg 2.13 if (usepinterp || vint(INTERP)) { /* and Z-buf */
944 greg 2.7 *arcnext++ = ' ';
945 gwlarson 2.25 sprintf(arcnext, fbase, frame-vint(INTERP)-1);
946 greg 2.7 while (*arcnext) arcnext++;
947     strcpy(arcnext, ".zbf");
948     arcnext += 4;
949     }
950     }
951     if (!usepinterp) /* update what's needed */
952     usepfilt |= nora_rgbe;
953 greg 2.2 } else /* interpolation needed */
954 greg 2.1 usepinterp++;
955 greg 2.2 if (frseq[1] >= astat.rnext) /* next batch unavailable */
956     frseq[1] = frseq[0];
957     sprintf(fnbefore, vval(BASENAME), frseq[0]);
958     sprintf(fnafter, vval(BASENAME), frseq[1]);
959     if (rvr == 1 && recover(frseq[0])) /* recover before frame? */
960     return(1);
961     /* generate command */
962 greg 2.1 if (usepinterp) { /* using pinterp */
963 greg 2.2 if (rvr == 2 && recover(frseq[1])) /* recover after? */
964     return(1);
965 greg 2.29 if (nblur > 1) { /* with pmblur */
966 greg 2.6 sprintf(fname0, "%s/vw0%c", vval(DIRECTORY),
967     'a'+(iter%26));
968     sprintf(fname1, "%s/vw1%c", vval(DIRECTORY),
969     'a'+(iter%26));
970 gwlarson 2.25 if (!noaction) {
971     FILE *fp; /* motion blurring */
972     if ((fp = fopen(fname0, "w")) == NULL) {
973     perror(fname0); quit(1);
974     }
975     fputs(VIEWSTR, fp);
976     fprintview(vp, fp);
977     putc('\n', fp); fclose(fp);
978     if ((vp = getview(frame+1)) == NULL) {
979     fprintf(stderr,
980     "%s: unexpected error reading view for frame %d\n",
981     progname, frame+1);
982     quit(1);
983     }
984     if ((fp = fopen(fname1, "w")) == NULL) {
985     perror(fname1); quit(1);
986     }
987     fputs(VIEWSTR, fp);
988     fprintview(vp, fp);
989     putc('\n', fp); fclose(fp);
990 greg 2.1 }
991     sprintf(combuf,
992 greg 2.30 "(pmblur %.3f %d %s %s; rm -f %s %s) | pinterp -B -a",
993 greg 2.29 blurf, nblur,
994 greg 2.6 fname0, fname1, fname0, fname1);
995     iter++;
996 greg 2.1 } else /* no blurring */
997     strcpy(combuf, "pinterp");
998     strcat(combuf, viewopt(vp));
999     if (vbool(RTRACE))
1000 greg 2.2 sprintf(combuf+strlen(combuf), " -ff -fr '%s -w0 %s'",
1001 greg 2.21 rendopt+1, vval(OCTREE));
1002 greg 2.1 if (vdef(PINTERP))
1003     sprintf(combuf+strlen(combuf), " %s", vval(PINTERP));
1004     if (usepfilt)
1005     sprintf(combuf+strlen(combuf), " %s", rresopt);
1006     else
1007 greg 2.33 sprintf(combuf+strlen(combuf), " -a %s -e %s",
1008 greg 2.1 fresopt, ep);
1009     sprintf(combuf+strlen(combuf), " %s.unf %s.zbf",
1010     fnbefore, fnbefore);
1011 greg 2.2 if (frseq[1] != frseq[0])
1012 greg 2.1 sprintf(combuf+strlen(combuf), " %s.unf %s.zbf",
1013     fnafter, fnafter);
1014     if (usepfilt) { /* also pfilt */
1015     if (vdef(PFILT))
1016     sprintf(combuf+strlen(combuf), " | pfilt %s",
1017     vval(PFILT));
1018     else
1019     strcat(combuf, " | pfilt");
1020     if (ep != NULL)
1021     sprintf(combuf+strlen(combuf), " -1 -e %s %s",
1022     ep, fresopt);
1023     else
1024     sprintf(combuf+strlen(combuf), " %s", fresopt);
1025     }
1026     } else if (usepfilt) { /* pfilt only */
1027 greg 2.2 if (rvr == 2)
1028     return(1);
1029 greg 2.1 if (vdef(PFILT))
1030     sprintf(combuf, "pfilt %s", vval(PFILT));
1031     else
1032     strcpy(combuf, "pfilt");
1033     if (ep != NULL)
1034     sprintf(combuf+strlen(combuf), " -1 -e %s %s %s.unf",
1035     ep, fresopt, fnbefore);
1036     else
1037     sprintf(combuf+strlen(combuf), " %s %s.unf",
1038     fresopt, fnbefore);
1039     } else { /* else just check it */
1040 greg 2.2 if (rvr == 2)
1041     return(1);
1042 greg 2.7 sprintf(combuf, "ra_rgbe -e %s -r %s.unf", ep, fnbefore);
1043 greg 2.1 }
1044     /* output file name */
1045 greg 2.6 sprintf(fname0, vval(BASENAME), frame);
1046     sprintf(combuf+strlen(combuf), " > %s.pic", fname0);
1047 greg 2.2 if (rvr) /* in recovery */
1048     return(runcom(combuf));
1049     bruncom(combuf, frame, frecover); /* else run in background */
1050     return(0);
1051 greg 2.1 }
1052    
1053    
1054 schorsch 2.43 static VIEW *
1055     getview(int n) /* get view number n */
1056 greg 2.1 {
1057     static FILE *viewfp = NULL; /* view file pointer */
1058     static int viewnum = 0; /* current view number */
1059     static VIEW curview = STDVIEW; /* current view */
1060     char linebuf[256];
1061    
1062     if (n == 0) { /* signal to close file and clean up */
1063     if (viewfp != NULL) {
1064     fclose(viewfp);
1065     viewfp = NULL;
1066     viewnum = 0;
1067 schorsch 2.40 curview = stdview;
1068 greg 2.1 }
1069     return(NULL);
1070     }
1071 gwlarson 2.24 if (viewfp == NULL) { /* open file */
1072 greg 2.1 if ((viewfp = fopen(vval(VIEWFILE), "r")) == NULL) {
1073     perror(vval(VIEWFILE));
1074     quit(1);
1075     }
1076 gwlarson 2.24 } else if (n > 0 && n < viewnum) { /* rewind file */
1077 greg 2.8 if (viewnum == 1 && feof(viewfp))
1078     return(&curview); /* just one view */
1079 greg 2.1 if (fseek(viewfp, 0L, 0) == EOF) {
1080     perror(vval(VIEWFILE));
1081     quit(1);
1082     }
1083 schorsch 2.40 curview = stdview;
1084 greg 2.1 viewnum = 0;
1085     }
1086 gwlarson 2.24 if (n < 0) { /* get next view */
1087     register int c = getc(viewfp);
1088     if (c == EOF)
1089     return((VIEW *)NULL); /* that's it */
1090     ungetc(c, viewfp);
1091     n = viewnum + 1;
1092     }
1093 greg 2.1 while (n > viewnum) { /* scan to desired view */
1094     if (fgets(linebuf, sizeof(linebuf), viewfp) == NULL)
1095 greg 2.15 return(viewnum==1 ? &curview : (VIEW *)NULL);
1096 greg 2.1 if (isview(linebuf) && sscanview(&curview, linebuf) > 0)
1097     viewnum++;
1098     }
1099     return(&curview); /* return it */
1100     }
1101    
1102    
1103 schorsch 2.43 static int
1104     countviews(void) /* count views in view file */
1105 greg 2.1 {
1106 gwlarson 2.24 int n;
1107 greg 2.1
1108 gwlarson 2.24 if (getview(n=1) == NULL)
1109     return(0);
1110     while (getview(-1) != NULL)
1111 greg 2.1 n++;
1112     return(n);
1113     }
1114    
1115    
1116 schorsch 2.43 static char *
1117     getexp(int n) /* get exposure for nth frame */
1118 greg 2.1 {
1119     extern char *fskip();
1120     static char expval[32];
1121     static FILE *expfp = NULL;
1122     static long *exppos;
1123     static int curfrm;
1124     register char *cp;
1125    
1126     if (n == 0) { /* signal to close file */
1127     if (expfp != NULL) {
1128     fclose(expfp);
1129 greg 2.29 free((void *)exppos);
1130 greg 2.1 expfp = NULL;
1131     }
1132     return(NULL);
1133 greg 2.14 } else if (n > vint(END)) /* request past end (error?) */
1134     return(NULL);
1135 greg 2.1 if (!vdef(EXPOSURE)) /* no setting (auto) */
1136     return(NULL);
1137     if (isflt(vval(EXPOSURE))) /* always the same */
1138     return(vval(EXPOSURE));
1139     if (expfp == NULL) { /* open exposure file */
1140     if ((expfp = fopen(vval(EXPOSURE), "r")) == NULL) {
1141     fprintf(stderr,
1142     "%s: cannot open exposure file \"%s\"\n",
1143     progname, vval(EXPOSURE));
1144     quit(1);
1145     }
1146     curfrm = vint(END) + 1; /* init lookup tab. */
1147     exppos = (long *)malloc(curfrm*sizeof(long *));
1148     if (exppos == NULL) {
1149     perror(progname);
1150     quit(1);
1151     }
1152     while (curfrm--)
1153     exppos[curfrm] = -1L;
1154     curfrm = 0;
1155     }
1156     /* find position in file */
1157     if (n-1 != curfrm && n != curfrm && exppos[n-1] >= 0 &&
1158     fseek(expfp, exppos[curfrm=n-1], 0) == EOF) {
1159     fprintf(stderr, "%s: seek error on exposure file\n", progname);
1160     quit(1);
1161     }
1162     while (n > curfrm) { /* read exposure */
1163     if (exppos[curfrm] < 0)
1164     exppos[curfrm] = ftell(expfp);
1165     if (fgets(expval, sizeof(expval), expfp) == NULL) {
1166     fprintf(stderr, "%s: too few exposures\n",
1167     vval(EXPOSURE));
1168     quit(1);
1169     }
1170     curfrm++;
1171     cp = fskip(expval); /* check format */
1172 greg 2.14 if (cp != NULL)
1173     while (isspace(*cp))
1174     *cp++ = '\0';
1175     if (cp == NULL || *cp) {
1176 greg 2.1 fprintf(stderr,
1177     "%s: exposure format error on line %d\n",
1178     vval(EXPOSURE), curfrm);
1179     quit(1);
1180     }
1181     }
1182     return(expval); /* return value */
1183     }
1184    
1185    
1186 schorsch 2.43 static struct pslot *
1187     findpslot(int pid) /* find or allocate a process slot */
1188 greg 2.2 {
1189     register struct pslot *psempty = NULL;
1190     register int i;
1191    
1192     for (i = 0; i < npslots; i++) { /* look for match */
1193     if (pslot[i].pid == pid)
1194     return(pslot+i);
1195     if (psempty == NULL && pslot[i].pid == 0)
1196     psempty = pslot+i;
1197     }
1198     return(psempty); /* return emtpy slot (error if NULL) */
1199     }
1200    
1201    
1202 schorsch 2.43 static int
1203     donecom( /* clean up after finished process */
1204 schorsch 2.46 PSERVER *ps,
1205     int pn,
1206     int status
1207 schorsch 2.43 )
1208 greg 2.2 {
1209 schorsch 2.43 register NETPROC *pp;
1210 greg 2.18 register struct pslot *psl;
1211 greg 2.2
1212     pp = ps->proc + pn;
1213 greg 2.3 if (pp->elen) { /* pass errors */
1214 greg 2.2 if (ps->hostname[0])
1215 greg 2.3 fprintf(stderr, "%s: ", ps->hostname);
1216     fprintf(stderr, "Error output from: %s\n", pp->com);
1217 greg 2.2 fputs(pp->errs, stderr);
1218     fflush(stderr);
1219     if (ps->hostname[0])
1220     status = 1; /* because rsh doesn't return status */
1221     }
1222 greg 2.18 lastpserver = NULL;
1223     psl = findpslot(pp->pid); /* check for bruncom() slot */
1224     if (psl->pid) {
1225     if (status) {
1226     if (psl->rcvf != NULL) /* attempt recovery */
1227     status = (*psl->rcvf)(psl->fout);
1228     if (status) {
1229     fprintf(stderr,
1230     "%s: error rendering frame %d\n",
1231     progname, psl->fout);
1232     quit(1);
1233     }
1234     lastpserver = ps;
1235     }
1236     psl->pid = 0; /* free process slot */
1237     } else if (status)
1238     lastpserver = ps;
1239 greg 2.2 freestr(pp->com); /* free command string */
1240     return(status);
1241     }
1242    
1243    
1244 schorsch 2.43 static int
1245     serverdown(void) /* check status of last process server */
1246 greg 2.2 {
1247 greg 2.18 if (lastpserver == NULL || !lastpserver->hostname[0])
1248     return(0);
1249 greg 2.2 if (pserverOK(lastpserver)) /* server still up? */
1250     return(0);
1251     delpserver(lastpserver); /* else delete it */
1252     if (pslist == NULL) {
1253     fprintf(stderr, "%s: all process servers are down\n",
1254     progname);
1255     quit(1);
1256     }
1257     return(1);
1258     }
1259    
1260    
1261 schorsch 2.43 static int
1262     bruncom( /* run a command in the background */
1263     char *com,
1264     int fout,
1265     int (*rf)()
1266     )
1267 greg 2.2 {
1268     int pid;
1269     register struct pslot *psl;
1270    
1271 greg 2.5 if (noaction) {
1272     if (!silent)
1273     printf("\t%s\n", com); /* echo command */
1274 greg 2.2 return(0);
1275 greg 2.5 }
1276 greg 2.18 com = savestr(com); /* else start it when we can */
1277     while ((pid = startjob(NULL, com, donecom)) == -1)
1278 greg 2.2 bwait(1);
1279 greg 2.5 if (!silent) { /* echo command */
1280 greg 2.3 PSERVER *ps;
1281     int psn = pid;
1282 greg 2.4 ps = findjob(&psn);
1283 greg 2.5 printf("\t%s\n", com);
1284 greg 2.4 printf("\tProcess started on %s\n", phostname(ps));
1285 greg 2.3 fflush(stdout);
1286     }
1287 greg 2.2 psl = findpslot(pid); /* record info. in appropriate slot */
1288     psl->pid = pid;
1289     psl->fout = fout;
1290     psl->rcvf = rf;
1291     return(pid);
1292     }
1293    
1294    
1295 schorsch 2.43 static void
1296     bwait(int ncoms) /* wait for batch job(s) to finish */
1297 greg 2.2 {
1298     int status;
1299    
1300     if (noaction)
1301     return;
1302     while ((status = wait4job(NULL, -1)) != -1) {
1303 greg 2.18 serverdown(); /* update server status */
1304     if (--ncoms == 0)
1305     break; /* done enough */
1306 greg 2.2 }
1307     }
1308    
1309    
1310 schorsch 2.43 static int
1311     pruncom( /* run a command in parallel over network */
1312     char *com,
1313     char *ppins,
1314     int maxcopies
1315     )
1316 greg 2.2 {
1317     int retstatus = 0;
1318 greg 2.3 int hostcopies;
1319 greg 2.18 char buf[10240], *com1, *s;
1320 greg 2.2 int status;
1321 greg 2.17 int pfd;
1322     register int n;
1323 greg 2.2 register PSERVER *ps;
1324    
1325 greg 2.3 if (!silent)
1326 greg 2.6 printf("\t%s\n", com); /* echo command */
1327 greg 2.3 if (noaction)
1328 greg 2.2 return(0);
1329 greg 2.3 fflush(stdout);
1330 greg 2.2 /* start jobs on each server */
1331 greg 2.3 for (ps = pslist; ps != NULL; ps = ps->next) {
1332     hostcopies = 0;
1333 greg 2.4 if (maxcopies > 1 && ps->nprocs > 1 && ppins != NULL) {
1334 greg 2.17 strcpy(com1=buf, com); /* build -PP command */
1335 greg 2.4 sprintf(com1+(ppins-com), " -PP %s/%s.persist",
1336     vval(DIRECTORY), phostname(ps));
1337 greg 2.36 unlink(com1+(ppins-com)+5);
1338 greg 2.4 strcat(com1, ppins);
1339 greg 2.17 } else
1340 greg 2.4 com1 = com;
1341 greg 2.18 while (maxcopies > 0) {
1342     s = savestr(com1);
1343     if (startjob(ps, s, donecom) != -1) {
1344     sleep(20);
1345     hostcopies++;
1346     maxcopies--;
1347     } else {
1348     freestr(s);
1349     break;
1350     }
1351 greg 2.2 }
1352 greg 2.3 if (!silent && hostcopies) {
1353     if (hostcopies > 1)
1354     printf("\t%d duplicate processes", hostcopies);
1355     else
1356     printf("\tProcess");
1357 greg 2.4 printf(" started on %s\n", phostname(ps));
1358 greg 2.3 fflush(stdout);
1359     }
1360     }
1361 greg 2.2 /* wait for jobs to finish */
1362     while ((status = wait4job(NULL, -1)) != -1)
1363 greg 2.18 retstatus += status && !serverdown();
1364 greg 2.17 /* terminate parallel rpict's */
1365 greg 2.18 for (ps = pslist; ps != NULL; ps = ps->next) {
1366     sprintf(buf, "%s/%s.persist", vval(DIRECTORY), phostname(ps));
1367 greg 2.17 if ((pfd = open(buf, O_RDONLY)) >= 0) {
1368     n = read(pfd, buf, sizeof(buf)-1); /* get PID */
1369     buf[n] = '\0';
1370     close(pfd);
1371     for (n = 0; buf[n] && !isspace(buf[n]); n++)
1372     ;
1373     /* terminate */
1374     sprintf(buf, "kill -ALRM %d", atoi(buf+n));
1375 greg 2.18 wait4job(ps, startjob(ps, buf, NULL));
1376 greg 2.17 }
1377     }
1378 greg 2.2 return(retstatus);
1379     }
1380    
1381    
1382 schorsch 2.43 static int
1383     runcom(char *cs) /* run a command locally and wait for it */
1384 greg 2.1 {
1385     if (!silent) /* echo it */
1386     printf("\t%s\n", cs);
1387     if (noaction)
1388     return(0);
1389     fflush(stdout); /* flush output and pass to shell */
1390     return(system(cs));
1391     }
1392    
1393    
1394 schorsch 2.43 static int
1395     rmfile(char *fn) /* remove a file */
1396 greg 2.1 {
1397     if (!silent)
1398 schorsch 2.37 #ifdef _WIN32
1399 greg 2.1 printf("\tdel %s\n", fn);
1400     #else
1401     printf("\trm -f %s\n", fn);
1402     #endif
1403     if (noaction)
1404     return(0);
1405     return(unlink(fn));
1406     }
1407    
1408    
1409 schorsch 2.43 static void
1410     badvalue(int vc) /* report bad variable value and exit */
1411 greg 2.1 {
1412     fprintf(stderr, "%s: bad value for variable '%s'\n",
1413     progname, vnam(vc));
1414     quit(1);
1415 gwlarson 2.25 }
1416    
1417    
1418 schorsch 2.43 static char *
1419     dirfile( /* separate path into directory and file */
1420     char *df,
1421     register char *path
1422     )
1423 gwlarson 2.25 {
1424     register int i;
1425     int psep;
1426    
1427     for (i = 0, psep = -1; path[i]; i++)
1428     if (path[i] == '/')
1429     psep = i;
1430 schorsch 2.40 if (df != NULL) {
1431 gwlarson 2.25 if (psep == 0) {
1432     df[0] = '/';
1433     df[1] = '\0';
1434     } else if (psep > 0) {
1435     strncpy(df, path, psep);
1436     df[psep] = '\0';
1437     } else
1438     df[0] = '\0';
1439 schorsch 2.40 }
1440 gwlarson 2.25 return(path+psep+1);
1441 greg 2.29 }
1442    
1443    
1444 schorsch 2.43 static int
1445 greg 2.29 getblur(double *bf) /* get # blur samples (and fraction) */
1446     {
1447     double blurf;
1448     int nblur;
1449     char *s;
1450    
1451     if (!vdef(MBLUR)) {
1452     if (bf != NULL)
1453     *bf = 0.0;
1454     return(0);
1455     }
1456     blurf = atof(vval(MBLUR));
1457     if (blurf < 0.0)
1458     blurf = 0.0;
1459     if (bf != NULL)
1460     *bf = blurf;
1461     if (blurf <= FTINY)
1462     return(0);
1463     s = sskip(vval(MBLUR));
1464     if (!*s)
1465     return(DEF_NBLUR);
1466     nblur = atoi(s);
1467     if (nblur <= 0)
1468     return(1);
1469     return(nblur);
1470 greg 2.1 }