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root/radiance/ray/src/util/ranimate.c
Revision: 2.44
Committed: Tue Dec 9 22:46:41 2003 UTC (20 years, 4 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.43: +2 -4 lines
Log Message:
Some versions of gcc don't like static f(); followed by exter f();

File Contents

# User Rev Content
1 greg 2.1 #ifndef lint
2 greg 2.44 static const char RCSid[] = "$Id: ranimate.c,v 2.43 2003/10/27 10:32:06 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 2.39
23 schorsch 2.43 /*#include "standard.h"*/
24     #include "platform.h"
25 schorsch 2.39 #include "paths.h"
26 schorsch 2.43 #include "rtio.h"
27     #include "rterror.h"
28 greg 2.1 #include "view.h"
29     #include "vars.h"
30 greg 2.2 #include "netproc.h"
31 greg 2.29 /* default blur samples */
32     #ifndef DEF_NBLUR
33     #define DEF_NBLUR 5
34     #endif
35 greg 2.10 /* default remote shell */
36     #define REMSH "rsh"
37 gwlarson 2.27 /* input variables (alphabetical by name) */
38     #define ANIMATE 0 /* animation command */
39     #define ARCHIVE 1 /* archiving command */
40     #define BASENAME 2 /* output image base name */
41     #define DIRECTORY 3 /* working (sub)directory */
42     #define DISKSPACE 4 /* how much disk space to use */
43     #define END 5 /* ending frame number */
44     #define EXPOSURE 6 /* how to compute exposure */
45     #define HOST 7 /* rendering host machine */
46     #define INTERP 8 /* # frames to interpolate */
47 greg 2.29 #define MBLUR 9 /* motion blur parameters */
48 gwlarson 2.27 #define NEXTANIM 10 /* next animation file */
49     #define OCTREE 11 /* octree file name */
50     #define OVERSAMP 12 /* # times to oversample image */
51     #define PFILT 13 /* pfilt options */
52     #define PINTERP 14 /* pinterp options */
53     #define RENDER 15 /* rendering options */
54     #define RESOLUTION 16 /* desired final resolution */
55     #define RIF 17 /* rad input file */
56     #define RSH 18 /* remote shell script or program */
57     #define RTRACE 19 /* use rtrace with pinterp? */
58     #define START 20 /* starting frame number */
59     #define TRANSFER 21 /* frame transfer command */
60     #define VIEWFILE 22 /* animation frame views */
61 greg 2.1
62 greg 2.10 int NVARS = 23; /* total number of variables */
63 greg 2.1
64     VARIABLE vv[] = { /* variable-value pairs */
65 gwlarson 2.27 {"ANIMATE", 2, 0, NULL, onevalue},
66     {"ARCHIVE", 2, 0, NULL, onevalue},
67     {"BASENAME", 3, 0, NULL, onevalue},
68 greg 2.1 {"DIRECTORY", 3, 0, NULL, onevalue},
69 gwlarson 2.27 {"DISKSPACE", 3, 0, NULL, fltvalue},
70 greg 2.1 {"END", 2, 0, NULL, intvalue},
71 gwlarson 2.27 {"EXPOSURE", 3, 0, NULL, onevalue},
72     {"host", 4, 0, NULL, NULL},
73     {"INTERPOLATE", 3, 0, NULL, intvalue},
74     {"MBLUR", 2, 0, NULL, onevalue},
75 greg 2.1 {"NEXTANIM", 3, 0, NULL, onevalue},
76 gwlarson 2.27 {"OCTREE", 3, 0, NULL, onevalue},
77 greg 2.5 {"OVERSAMPLE", 2, 0, NULL, fltvalue},
78 gwlarson 2.27 {"pfilt", 2, 0, NULL, catvalues},
79     {"pinterp", 2, 0, NULL, catvalues},
80     {"render", 3, 0, NULL, catvalues},
81 greg 2.1 {"RESOLUTION", 3, 0, NULL, onevalue},
82 gwlarson 2.27 {"RIF", 3, 0, NULL, onevalue},
83 greg 2.10 {"RSH", 3, 0, NULL, onevalue},
84 gwlarson 2.27 {"RTRACE", 2, 0, NULL, boolvalue},
85     {"START", 2, 0, NULL, intvalue},
86     {"TRANSFER", 2, 0, NULL, onevalue},
87     {"VIEWFILE", 2, 0, NULL, onevalue},
88 greg 2.1 };
89    
90     #define SFNAME "STATUS" /* status file name */
91    
92     struct {
93     char host[64]; /* control host name */
94     int pid; /* control process id */
95     char cfname[128]; /* control file name */
96     int rnext; /* next frame to render */
97     int fnext; /* next frame to filter */
98     int tnext; /* next frame to transfer */
99     } astat; /* animation status */
100    
101     char *progname; /* our program name */
102     char *cfname; /* our control file name */
103    
104     int nowarn = 0; /* turn warnings off? */
105     int silent = 0; /* silent mode? */
106     int noaction = 0; /* take no action? */
107    
108 greg 2.10 char *remsh; /* remote shell program/script */
109 greg 2.21 char rendopt[2048]; /* rendering options */
110 greg 2.1 char rresopt[32]; /* rendering resolution options */
111     char fresopt[32]; /* filter resolution options */
112     int pfiltalways; /* always use pfilt? */
113    
114 greg 2.7 char arcargs[10240]; /* files to archive */
115     char *arcfirst, *arcnext; /* pointers to first and next argument */
116    
117 greg 2.2 struct pslot {
118     int pid; /* process ID (0 if empty) */
119     int fout; /* output frame number */
120     int (*rcvf)(); /* recover function */
121     } *pslot; /* process slots */
122     int npslots; /* number of process slots */
123    
124 greg 2.4 #define phostname(ps) ((ps)->hostname[0] ? (ps)->hostname : astat.host)
125 greg 2.18 PSERVER *lastpserver; /* last process server with error */
126    
127 schorsch 2.43 static struct pslot * findpslot(int pid);
128     static void checkdir(void);
129     static VIEW * getview(int n);
130    
131     static char * dirfile(char *df, register char *path);
132     static char * getexp(int n);
133     static int getblur(double *bf);
134     static int getastat(void);
135     static void getradfile(char *rfargs);
136     static void badvalue(int vc);
137     static int rmfile(char *fn);
138     static int runcom(char *cs);
139     static int pruncom(char *com, char *ppins, int maxcopies);
140     static void bwait(int ncoms);
141     static int bruncom(char *com, int fout, int (*rf)());
142     static int serverdown(void);
143     static int donecom(PSERVER *ps, int pn, int status);
144     static int countviews(void);
145     static int dofilt(int frame, int rvr);
146     static void archive(void);
147     static int frecover(int frame);
148     static int recover(int frame);
149     static void sethosts(void);
150     static void walkwait(int first, int last, char *vfn);
151     static void animrend(int frame, VIEW *vp);
152     static void transferframes(void);
153     static void filterframes(void);
154     static void renderframes(int nframes);
155     static void animate(void);
156     static void setdefaults(void);
157     static void putastat(void);
158 greg 2.1
159 greg 2.12
160 greg 2.1 main(argc, argv)
161     int argc;
162     char *argv[];
163     {
164     int explicate = 0;
165     int i;
166    
167     progname = argv[0]; /* get arguments */
168     for (i = 1; i < argc && argv[i][0] == '-'; i++)
169     switch (argv[i][1]) {
170     case 'e': /* print variables */
171     explicate++;
172     break;
173     case 'w': /* turn off warnings */
174     nowarn++;
175     break;
176     case 's': /* silent mode */
177     silent++;
178     break;
179     case 'n': /* take no action */
180     noaction++;
181     break;
182     default:
183     goto userr;
184     }
185     if (i != argc-1)
186     goto userr;
187     cfname = argv[i];
188     /* load variables */
189     loadvars(cfname);
190 greg 2.22 /* check variables */
191     checkvalues();
192 greg 2.1 /* did we get DIRECTORY? */
193     checkdir();
194     /* check status */
195     if (getastat() < 0) {
196     fprintf(stderr, "%s: exiting\n", progname);
197     quit(1);
198     }
199     /* pfilt always if options given */
200     pfiltalways = vdef(PFILT);
201     /* load RIF if any */
202     if (vdef(RIF))
203     getradfile(vval(RIF));
204     /* set defaults */
205     setdefaults();
206     /* print variables */
207     if (explicate)
208     printvars(stdout);
209 greg 2.2 /* set up process servers */
210     sethosts();
211 greg 2.1 /* run animation */
212     animate();
213     /* all done */
214     if (vdef(NEXTANIM)) {
215     argv[i] = vval(NEXTANIM); /* just change input file */
216     if (!silent)
217     printargs(argc, argv, stdout);
218 greg 2.11 if ((argv[0] = getpath(progname,getenv("PATH"),X_OK)) == NULL)
219     fprintf(stderr, "%s: command not found\n", progname);
220     else
221     execv(progname, argv);
222     quit(1);
223 greg 2.1 }
224     quit(0);
225     userr:
226     fprintf(stderr, "Usage: %s [-s][-n][-w][-e] anim_file\n", progname);
227     quit(1);
228     }
229    
230    
231 schorsch 2.43 static int
232     getastat(void) /* check/set animation status */
233 greg 2.1 {
234 greg 2.12 char sfname[256];
235 greg 2.1 FILE *fp;
236    
237 greg 2.12 sprintf(sfname, "%s/%s", vval(DIRECTORY), SFNAME);
238     if ((fp = fopen(sfname, "r")) == NULL) {
239 greg 2.1 if (errno != ENOENT) {
240 greg 2.12 perror(sfname);
241 greg 2.1 return(-1);
242     }
243     astat.rnext = astat.fnext = astat.tnext = 0;
244     goto setours;
245     }
246     if (fscanf(fp, "Control host: %s\n", astat.host) != 1)
247     goto fmterr;
248     if (fscanf(fp, "Control PID: %d\n", &astat.pid) != 1)
249     goto fmterr;
250     if (fscanf(fp, "Control file: %s\n", astat.cfname) != 1)
251     goto fmterr;
252     if (fscanf(fp, "Next render: %d\n", &astat.rnext) != 1)
253     goto fmterr;
254     if (fscanf(fp, "Next filter: %d\n", &astat.fnext) != 1)
255     goto fmterr;
256     if (fscanf(fp, "Next transfer: %d\n", &astat.tnext) != 1)
257     goto fmterr;
258     fclose(fp);
259     if (astat.pid != 0) { /* thinks it's still running */
260 greg 2.9 if (strcmp(myhostname(), astat.host)) {
261 greg 2.1 fprintf(stderr,
262     "%s: process %d may still be running on host %s\n",
263     progname, astat.pid, astat.host);
264     return(-1);
265     }
266     if (kill(astat.pid, 0) != -1 || errno != ESRCH) {
267     fprintf(stderr, "%s: process %d is still running\n",
268     progname, astat.pid);
269     return(-1);
270     }
271     /* assume it is dead */
272     }
273 greg 2.20 if (strcmp(cfname, astat.cfname) && astat.pid != 0) { /* other's */
274 greg 2.1 fprintf(stderr, "%s: unfinished job \"%s\"\n",
275     progname, astat.cfname);
276     return(-1);
277     }
278 greg 2.12 /* check control file mods. */
279     if (!nowarn && fdate(cfname) > fdate(sfname))
280     fprintf(stderr,
281     "%s: warning - control file modified since last run\n",
282     progname);
283 greg 2.1 setours: /* set our values */
284 greg 2.9 strcpy(astat.host, myhostname());
285 greg 2.1 astat.pid = getpid();
286     strcpy(astat.cfname, cfname);
287     return(0);
288     fmterr:
289     fprintf(stderr, "%s: format error in status file \"%s\"\n",
290 greg 2.12 progname, sfname);
291 greg 2.1 fclose(fp);
292     return(-1);
293     }
294    
295    
296 schorsch 2.43 static void
297     putastat(void) /* put out current status */
298 greg 2.1 {
299     char buf[256];
300     FILE *fp;
301    
302 greg 2.2 if (noaction)
303     return;
304 greg 2.1 sprintf(buf, "%s/%s", vval(DIRECTORY), SFNAME);
305     if ((fp = fopen(buf, "w")) == NULL) {
306     perror(buf);
307     quit(1);
308     }
309     fprintf(fp, "Control host: %s\n", astat.host);
310     fprintf(fp, "Control PID: %d\n", astat.pid);
311     fprintf(fp, "Control file: %s\n", astat.cfname);
312     fprintf(fp, "Next render: %d\n", astat.rnext);
313     fprintf(fp, "Next filter: %d\n", astat.fnext);
314     fprintf(fp, "Next transfer: %d\n", astat.tnext);
315     fclose(fp);
316     }
317    
318    
319 schorsch 2.43 static void
320     checkdir(void) /* make sure we have our directory */
321 greg 2.1 {
322     struct stat stb;
323    
324     if (!vdef(DIRECTORY)) {
325     fprintf(stderr, "%s: %s undefined\n",
326     progname, vnam(DIRECTORY));
327     quit(1);
328     }
329     if (stat(vval(DIRECTORY), &stb) == -1) {
330     if (errno == ENOENT && mkdir(vval(DIRECTORY), 0777) == 0)
331     return;
332     perror(vval(DIRECTORY));
333     quit(1);
334     }
335     if (!(stb.st_mode & S_IFDIR)) {
336     fprintf(stderr, "%s: not a directory\n", vval(DIRECTORY));
337     quit(1);
338     }
339     }
340    
341    
342 schorsch 2.43 static void
343     setdefaults(void) /* set default values */
344 greg 2.1 {
345 greg 2.10 extern char *atos();
346 greg 2.19 int decades;
347 greg 2.1 char buf[256];
348    
349 greg 2.2 if (vdef(ANIMATE)) {
350     vval(OCTREE) = NULL;
351     vdef(OCTREE) = 0;
352     } else if (!vdef(OCTREE)) {
353 greg 2.1 fprintf(stderr, "%s: either %s or %s must be defined\n",
354     progname, vnam(OCTREE), vnam(ANIMATE));
355     quit(1);
356     }
357     if (!vdef(VIEWFILE)) {
358     fprintf(stderr, "%s: %s undefined\n", progname, vnam(VIEWFILE));
359     quit(1);
360     }
361 greg 2.2 if (!vdef(HOST)) {
362     vval(HOST) = LHOSTNAME;
363     vdef(HOST)++;
364     }
365 greg 2.1 if (!vdef(START)) {
366     vval(START) = "1";
367     vdef(START)++;
368     }
369     if (!vdef(END)) {
370 greg 2.5 sprintf(buf, "%d", countviews()+vint(START)-1);
371 greg 2.1 vval(END) = savqstr(buf);
372     vdef(END)++;
373     }
374 greg 2.5 if (vint(END) < vint(START)) {
375     fprintf(stderr, "%s: ending frame less than starting frame\n",
376     progname);
377     quit(1);
378     }
379 greg 2.1 if (!vdef(BASENAME)) {
380 greg 2.19 decades = (int)log10((double)vint(END)) + 1;
381     if (decades < 3) decades = 3;
382     sprintf(buf, "%s/frame%%0%dd", vval(DIRECTORY), decades);
383 greg 2.1 vval(BASENAME) = savqstr(buf);
384     vdef(BASENAME)++;
385     }
386     if (!vdef(RESOLUTION)) {
387     vval(RESOLUTION) = "640";
388     vdef(RESOLUTION)++;
389     }
390     if (!vdef(OVERSAMP)) {
391     vval(OVERSAMP) = "2";
392     vdef(OVERSAMP)++;
393     }
394     if (!vdef(INTERP)) {
395     vval(INTERP) = "0";
396     vdef(INTERP)++;
397     }
398     if (!vdef(MBLUR)) {
399     vval(MBLUR) = "0";
400     vdef(MBLUR)++;
401     }
402     if (!vdef(RTRACE)) {
403     vval(RTRACE) = "F";
404     vdef(RTRACE)++;
405     }
406     if (!vdef(DISKSPACE)) {
407     if (!nowarn)
408     fprintf(stderr,
409     "%s: warning - no %s setting, assuming 100 Mbytes available\n",
410     progname, vnam(DISKSPACE));
411     vval(DISKSPACE) = "100";
412     vdef(DISKSPACE)++;
413     }
414 greg 2.10 if (!vdef(RSH)) {
415     vval(RSH) = REMSH;
416     vdef(RSH)++;
417     }
418     /* locate remote shell program */
419     atos(buf, sizeof(buf), vval(RSH));
420     if ((remsh = getpath(buf, getenv("PATH"), X_OK)) != NULL)
421     remsh = savqstr(remsh);
422     else
423     remsh = vval(RSH); /* will generate error if used */
424    
425 greg 2.1 /* append rendering options */
426     if (vdef(RENDER))
427     sprintf(rendopt+strlen(rendopt), " %s", vval(RENDER));
428     }
429    
430    
431 schorsch 2.43 static void
432     sethosts(void) /* set up process servers */
433 greg 2.2 {
434     extern char *iskip();
435     char buf[256], *dir, *uname;
436     int np;
437     register char *cp;
438     int i;
439    
440     npslots = 0;
441     if (noaction)
442     return;
443     for (i = 0; i < vdef(HOST); i++) { /* add each host */
444     dir = uname = NULL;
445     np = 1;
446     strcpy(cp=buf, nvalue(HOST, i)); /* copy to buffer */
447     cp = sskip(cp); /* skip host name */
448     while (isspace(*cp))
449     *cp++ = '\0';
450     if (*cp) { /* has # processes? */
451     np = atoi(cp);
452     if ((cp = iskip(cp)) == NULL || (*cp && !isspace(*cp)))
453     badvalue(HOST);
454     while (isspace(*cp))
455     cp++;
456     if (*cp) { /* has directory? */
457     dir = cp;
458     cp = sskip(cp); /* skip dir. */
459     while (isspace(*cp))
460     *cp++ = '\0';
461     if (*cp) { /* has user? */
462     uname = cp;
463     if (*sskip(cp))
464     badvalue(HOST);
465     }
466     }
467     }
468     if (addpserver(buf, dir, uname, np) == NULL) {
469     if (!nowarn)
470     fprintf(stderr,
471     "%s: cannot execute on host \"%s\"\n",
472     progname, buf);
473     } else
474     npslots += np;
475     }
476     if (npslots == 0) {
477     fprintf(stderr, "%s: no working process servers\n", progname);
478     quit(1);
479     }
480     pslot = (struct pslot *)calloc(npslots, sizeof(struct pslot));
481     if (pslot == NULL) {
482     perror("malloc");
483     quit(1);
484     }
485     }
486    
487 schorsch 2.43 static void
488     getradfile(char *rfargs) /* run rad and get needed variables */
489 greg 2.1 {
490     static short mvar[] = {OCTREE,PFILT,RESOLUTION,EXPOSURE,-1};
491     char combuf[256];
492     register int i;
493     register char *cp;
494 gregl 2.23 char *pippt;
495 greg 2.1 /* create rad command */
496     sprintf(rendopt, " @%s/render.opt", vval(DIRECTORY));
497     sprintf(combuf,
498     "rad -v 0 -s -e -w %s OPTFILE=%s | egrep '^[ \t]*(NOMATCH",
499 greg 2.7 rfargs, rendopt+2);
500 greg 2.1 cp = combuf;
501 gregl 2.23 while (*cp) {
502     if (*cp == '|') pippt = cp;
503     cp++;
504     } /* match unset variables */
505 greg 2.1 for (i = 0; mvar[i] >= 0; i++)
506     if (!vdef(mvar[i])) {
507     *cp++ = '|';
508     strcpy(cp, vnam(mvar[i]));
509     while (*cp) cp++;
510 gregl 2.23 pippt = NULL;
511 greg 2.1 }
512 gregl 2.23 if (pippt != NULL)
513 schorsch 2.39 strcpy(pippt, "> " NULL_DEVICE); /* nothing to match */
514 gregl 2.23 else {
515     sprintf(cp, ")[ \t]*=' > %s/radset.var", vval(DIRECTORY));
516     cp += 11; /* point to file name */
517     }
518 gwlarson 2.28 system(combuf); /* ignore exit code */
519 gregl 2.23 if (pippt == NULL) { /* load variables and remove file */
520     loadvars(cp);
521     unlink(cp);
522     }
523 greg 2.1 }
524    
525    
526 schorsch 2.43 static void
527     animate(void) /* run animation */
528 greg 2.1 {
529     int xres, yres;
530     float pa, mult;
531     int frames_batch;
532     register int i;
533     double d1, d2;
534     /* compute rpict resolution */
535     i = sscanf(vval(RESOLUTION), "%d %d %f", &xres, &yres, &pa);
536     mult = vflt(OVERSAMP);
537     if (i == 3) {
538 greg 2.16 sprintf(rresopt, "-x %d -y %d -pa %.3f", (int)(mult*xres),
539 greg 2.1 (int)(mult*yres), pa);
540 greg 2.16 sprintf(fresopt, "-x %d -y %d -pa %.3f", xres, yres, pa);
541 greg 2.1 } else if (i) {
542     if (i == 1) yres = xres;
543     sprintf(rresopt, "-x %d -y %d", (int)(mult*xres),
544     (int)(mult*yres));
545     sprintf(fresopt, "-x %d -y %d -pa 1", xres, yres);
546     } else
547     badvalue(RESOLUTION);
548     /* consistency checks */
549     if (vdef(ANIMATE)) {
550     if (vint(INTERP)) {
551     if (!nowarn)
552     fprintf(stderr,
553     "%s: resetting %s=0 for animation\n",
554     progname, vnam(INTERP));
555     vval(INTERP) = "0";
556     }
557 greg 2.29 if (strcmp(vval(MBLUR),"0")) { /* can't handle this */
558 greg 2.1 if (!nowarn)
559     fprintf(stderr,
560     "%s: resetting %s=0 for animation\n",
561     progname, vnam(MBLUR));
562     vval(MBLUR) = "0";
563     }
564     }
565     /* figure # frames per batch */
566     d1 = mult*xres*mult*yres*4; /* space for orig. picture */
567 greg 2.29 if ((i=vint(INTERP)) || getblur(NULL) > 1)
568 greg 2.13 d1 += mult*xres*mult*yres*sizeof(float); /* Z-buffer */
569 greg 2.1 d2 = xres*yres*4; /* space for final picture */
570     frames_batch = (i+1)*(vflt(DISKSPACE)*1048576.-d1)/(d1+i*d2);
571     if (frames_batch < i+2) {
572     fprintf(stderr, "%s: insufficient disk space allocated\n",
573     progname);
574     quit(1);
575     }
576 greg 2.7 /* initialize archive argument list */
577 gwlarson 2.25 i = vdef(ARCHIVE) ? strlen(vval(ARCHIVE))+132 : 132;
578 greg 2.7 arcnext = arcfirst = arcargs + i;
579 greg 2.1 /* initialize status file */
580     if (astat.rnext == 0)
581     astat.rnext = astat.fnext = astat.tnext = vint(START);
582     putastat();
583     /* render in batches */
584 greg 2.2 while (astat.tnext <= vint(END)) {
585 greg 2.1 renderframes(frames_batch);
586     filterframes();
587     transferframes();
588     }
589     /* mark status as finished */
590     astat.pid = 0;
591     putastat();
592     /* close open files */
593     getview(0);
594     getexp(0);
595     }
596    
597    
598 schorsch 2.43 static void
599     renderframes(int nframes) /* render next nframes frames */
600 greg 2.1 {
601     static char vendbuf[16];
602     VIEW *vp;
603     FILE *fp = NULL;
604     char vfname[128];
605     int lastframe;
606     register int i;
607    
608     if (astat.tnext < astat.rnext) /* other work to do first */
609     return;
610     /* create batch view file */
611     if (!vdef(ANIMATE)) {
612     sprintf(vfname, "%s/anim.vf", vval(DIRECTORY));
613     if ((fp = fopen(vfname, "w")) == NULL) {
614     perror(vfname);
615     quit(1);
616     }
617     }
618     /* bound batch properly */
619     lastframe = astat.rnext + nframes - 1;
620     if ((lastframe-1) % (vint(INTERP)+1)) /* need even interval */
621     lastframe += vint(INTERP)+1 - ((lastframe-1)%(vint(INTERP)+1));
622     if (lastframe > vint(END)) /* check for end */
623     lastframe = vint(END);
624     /* render each view */
625     for (i = astat.rnext; i <= lastframe; i++) {
626     if ((vp = getview(i)) == NULL) {
627     if (!nowarn)
628     fprintf(stderr,
629     "%s: ran out of views before last frame\n",
630     progname);
631     sprintf(vval(END)=vendbuf, "%d", i-1);
632     lastframe = i - 1;
633     break;
634     }
635     if (vdef(ANIMATE)) /* animate frame */
636     animrend(i, vp);
637     else { /* else record it */
638     fputs(VIEWSTR, fp);
639     fprintview(vp, fp);
640     putc('\n', fp);
641     }
642     }
643     if (vdef(ANIMATE)) /* wait for renderings to finish */
644 greg 2.2 bwait(0);
645 greg 2.1 else { /* else if walk-through */
646     fclose(fp); /* close view file */
647     walkwait(astat.rnext, lastframe, vfname); /* walk it */
648     unlink(vfname); /* remove view file */
649     }
650     astat.rnext = i; /* update status */
651     putastat();
652     }
653    
654    
655 schorsch 2.43 static void
656     filterframes(void) /* catch up with filtering */
657 greg 2.1 {
658     VIEW *vp;
659     register int i;
660    
661     if (astat.tnext < astat.fnext) /* other work to do first */
662     return;
663     /* filter each view */
664 greg 2.38 for (i = astat.fnext; i < astat.rnext; i++)
665     dofilt(i, 0);
666    
667 greg 2.2 bwait(0); /* wait for filter processes */
668 greg 2.7 archive(); /* archive originals */
669 greg 2.1 astat.fnext = i; /* update status */
670     putastat();
671     }
672    
673    
674 schorsch 2.43 static void
675     transferframes(void) /* catch up with picture transfers */
676 greg 2.1 {
677 gwlarson 2.25 char combuf[10240], *fbase;
678 greg 2.1 register char *cp;
679     register int i;
680    
681     if (astat.tnext >= astat.fnext) /* nothing to do, yet */
682     return;
683     if (!vdef(TRANSFER)) { /* no transfer function -- leave 'em */
684     astat.tnext = astat.fnext;
685     putastat(); /* update status */
686     return;
687     }
688 gwlarson 2.25 strcpy(combuf, "cd "); /* start transfer command */
689     fbase = dirfile(cp = combuf+3, vval(BASENAME));
690     if (*cp) {
691     while (*++cp) ;
692     *cp++ = ';'; *cp++ = ' ';
693     } else
694     cp = combuf;
695     strcpy(cp, vval(TRANSFER));
696     while (*cp) cp++;
697 greg 2.1 /* make argument list */
698     for (i = astat.tnext; i < astat.fnext; i++) {
699     *cp++ = ' ';
700 gwlarson 2.25 sprintf(cp, fbase, i);
701 greg 2.1 while (*cp) cp++;
702     strcpy(cp, ".pic");
703     cp += 4;
704     }
705     if (runcom(combuf)) { /* transfer frames */
706     fprintf(stderr, "%s: error running transfer command\n",
707     progname);
708     quit(1);
709     }
710     astat.tnext = i; /* update status */
711     putastat();
712     }
713    
714    
715 schorsch 2.43 static void
716     animrend( /* start animation frame */
717     int frame,
718     VIEW *vp
719     )
720 greg 2.1 {
721     char combuf[2048];
722     char fname[128];
723    
724     sprintf(fname, vval(BASENAME), frame);
725     strcat(fname, ".unf");
726     if (access(fname, F_OK) == 0)
727     return;
728 greg 2.2 sprintf(combuf, "%s %d | rpict%s%s -w0 %s > %s", vval(ANIMATE), frame,
729 greg 2.1 rendopt, viewopt(vp), rresopt, fname);
730 greg 2.2 bruncom(combuf, frame, recover); /* run in background */
731 greg 2.1 }
732    
733    
734 schorsch 2.43 static void
735     walkwait( /* walk-through frames */
736     int first,
737     int last,
738     char *vfn
739     )
740 greg 2.1 {
741 greg 2.29 double blurf;
742     int nblur = getblur(&blurf);
743 greg 2.1 char combuf[2048];
744 greg 2.29 register char *inspoint;
745 greg 2.1 register int i;
746    
747     if (!noaction && vint(INTERP)) /* create dummy frames */
748     for (i = first; i <= last; i++)
749     if (i < vint(END) && (i-1) % (vint(INTERP)+1)) {
750     sprintf(combuf, vval(BASENAME), i);
751     strcat(combuf, ".unf");
752     close(open(combuf, O_RDONLY|O_CREAT, 0666));
753     }
754     /* create command */
755 greg 2.35 sprintf(combuf, "rpict%s%s -w0", rendopt,
756     viewopt(getview(first>1 ? first-1 : 1)));
757 greg 2.29 inspoint = combuf;
758     while (*inspoint) inspoint++;
759     if (nblur) {
760     sprintf(inspoint, " -pm %.3f", blurf/nblur);
761     while (*inspoint) inspoint++;
762     }
763     if (nblur > 1 || vint(INTERP)) {
764     sprintf(inspoint, " -z %s.zbf", vval(BASENAME));
765     while (*inspoint) inspoint++;
766     }
767     sprintf(inspoint, " -o %s.unf %s -S %d",
768 greg 2.4 vval(BASENAME), rresopt, first);
769 greg 2.29 while (*inspoint) inspoint++;
770 greg 2.4 sprintf(inspoint, " %s < %s", vval(OCTREE), vfn);
771 greg 2.2 /* run in parallel */
772 greg 2.7 i = (last-first+1)/(vint(INTERP)+1);
773     if (i < 1) i = 1;
774     if (pruncom(combuf, inspoint, i)) {
775 greg 2.2 fprintf(stderr, "%s: error rendering frames %d through %d\n",
776 greg 2.1 progname, first, last);
777     quit(1);
778     }
779     if (!noaction && vint(INTERP)) /* remove dummy frames */
780     for (i = first; i <= last; i++)
781     if (i < vint(END) && (i-1) % (vint(INTERP)+1)) {
782     sprintf(combuf, vval(BASENAME), i);
783     strcat(combuf, ".unf");
784     unlink(combuf);
785     }
786     }
787    
788    
789 schorsch 2.43 static int
790 greg 2.44 recover(int frame) /* recover the specified frame */
791 greg 2.1 {
792 greg 2.2 static int *rfrm; /* list of recovered frames */
793     static int nrfrms = 0;
794 greg 2.29 double blurf;
795     int nblur = getblur(&blurf);
796 greg 2.1 char combuf[2048];
797     char fname[128];
798     register char *cp;
799 greg 2.2 register int i;
800     /* check to see if recovered already */
801     for (i = nrfrms; i--; )
802     if (rfrm[i] == frame)
803     return(0);
804     /* build command */
805 greg 2.1 sprintf(fname, vval(BASENAME), frame);
806     if (vdef(ANIMATE))
807 greg 2.2 sprintf(combuf, "%s %d | rpict%s -w0",
808 greg 2.1 vval(ANIMATE), frame, rendopt);
809     else
810 greg 2.2 sprintf(combuf, "rpict%s -w0", rendopt);
811 greg 2.29 cp = combuf;
812     while (*cp) cp++;
813     if (nblur) {
814     sprintf(cp, " -pm %.3f", blurf/nblur);
815     while (*cp) cp++;
816     }
817     if (nblur > 1 || vint(INTERP)) {
818 greg 2.1 sprintf(cp, " -z %s.zbf", fname);
819     while (*cp) cp++;
820     }
821     sprintf(cp, " -ro %s.unf", fname);
822     while (*cp) cp++;
823     if (!vdef(ANIMATE)) {
824     *cp++ = ' ';
825     strcpy(cp, vval(OCTREE));
826     }
827 greg 2.2 if (runcom(combuf)) /* run command */
828     return(1);
829     /* add frame to recovered list */
830     if (nrfrms)
831 greg 2.32 rfrm = (int *)realloc((void *)rfrm, (nrfrms+1)*sizeof(int));
832 greg 2.2 else
833     rfrm = (int *)malloc(sizeof(int));
834     if (rfrm == NULL) {
835     perror("malloc");
836 greg 2.1 quit(1);
837     }
838 greg 2.2 rfrm[nrfrms++] = frame;
839     return(0);
840 greg 2.1 }
841    
842    
843 schorsch 2.43 static int
844     frecover(int frame) /* recover filtered frame */
845 greg 2.2 {
846 greg 2.38 if (dofilt(frame, 2) && dofilt(frame, 1))
847 greg 2.2 return(1);
848     return(0);
849     }
850    
851    
852 schorsch 2.43 static void
853     archive(void) /* archive and remove renderings */
854 greg 2.1 {
855 greg 2.2 #define RMCOML (sizeof(rmcom)-1)
856     static char rmcom[] = "rm -f";
857 gwlarson 2.25 char basedir[128];
858     int dlen, alen;
859     register int j;
860 greg 2.1
861 greg 2.7 if (arcnext == arcfirst)
862     return; /* nothing to do */
863 gwlarson 2.25 dirfile(basedir, vval(BASENAME));
864     dlen = strlen(basedir);
865 greg 2.2 if (vdef(ARCHIVE)) { /* run archive command */
866 gwlarson 2.25 alen = strlen(vval(ARCHIVE));
867     if (dlen) {
868     j = alen + dlen + 5;
869     strncpy(arcfirst-j, "cd ", 3);
870     strncpy(arcfirst-j+3, basedir, dlen);
871     (arcfirst-j)[dlen+3] = ';'; (arcfirst-j)[dlen+4] = ' ';
872     } else
873     j = alen;
874     strncpy(arcfirst-alen, vval(ARCHIVE), alen);
875     if (runcom(arcfirst-j)) {
876 greg 2.7 fprintf(stderr, "%s: error running archive command\n",
877     progname);
878 greg 2.2 quit(1);
879     }
880 greg 2.1 }
881 gwlarson 2.25 if (dlen) {
882     j = RMCOML + dlen + 5;
883     strncpy(arcfirst-j, "cd ", 3);
884     strncpy(arcfirst-j+3, basedir, dlen);
885     (arcfirst-j)[dlen+3] = ';'; (arcfirst-j)[dlen+4] = ' ';
886     } else
887     j = RMCOML;
888 greg 2.2 /* run remove command */
889 greg 2.7 strncpy(arcfirst-RMCOML, rmcom, RMCOML);
890 gwlarson 2.25 runcom(arcfirst-j);
891 greg 2.7 arcnext = arcfirst; /* reset argument list */
892 greg 2.2 #undef RMCOML
893 greg 2.1 }
894    
895    
896 schorsch 2.43 static int
897     dofilt( /* filter frame */
898     int frame,
899     int rvr
900     )
901 greg 2.1 {
902 greg 2.6 static int iter = 0;
903 greg 2.29 double blurf;
904     int nblur = getblur(&blurf);
905 greg 2.38 VIEW *vp = getview(frame);
906     char *ep = getexp(frame);
907 gwlarson 2.25 char fnbefore[128], fnafter[128], *fbase;
908 greg 2.6 char combuf[1024], fname0[128], fname1[128];
909 greg 2.7 int usepinterp, usepfilt, nora_rgbe;
910 greg 2.2 int frseq[2];
911 greg 2.1 /* check what is needed */
912 greg 2.38 if (vp == NULL) {
913     fprintf(stderr,
914     "%s: unexpected error reading view for frame %d\n",
915     progname, frame);
916     quit(1);
917     }
918     if (ep == NULL) {
919     fprintf(stderr,
920     "%s: unexpected error reading exposure for frame %d\n",
921     progname, frame);
922     quit(1);
923     }
924 greg 2.29 usepinterp = (nblur > 1);
925 schorsch 2.41 usepfilt = pfiltalways | (ep==NULL);
926 greg 2.7 if (ep != NULL && !strcmp(ep, "1"))
927     ep = "+0";
928     nora_rgbe = strcmp(vval(OVERSAMP),"1") || ep==NULL ||
929     *ep != '+' || *ep != '-' || !isint(ep);
930 greg 2.1 /* compute rendered views */
931 greg 2.2 frseq[0] = frame - ((frame-1) % (vint(INTERP)+1));
932     frseq[1] = frseq[0] + vint(INTERP) + 1;
933 gwlarson 2.25 fbase = dirfile(NULL, vval(BASENAME));
934 greg 2.2 if (frseq[1] > vint(END))
935     frseq[1] = vint(END);
936     if (frseq[1] == frame) { /* pfilt only */
937     frseq[0] = frseq[1];
938 greg 2.1 usepinterp = 0; /* update what's needed */
939 greg 2.7 usepfilt |= nora_rgbe;
940     } else if (frseq[0] == frame) { /* no interpolation needed */
941     if (!rvr && frame > 1+vint(INTERP)) { /* archive previous */
942     *arcnext++ = ' ';
943 gwlarson 2.25 sprintf(arcnext, fbase, frame-vint(INTERP)-1);
944 greg 2.7 while (*arcnext) arcnext++;
945     strcpy(arcnext, ".unf");
946     arcnext += 4;
947 greg 2.13 if (usepinterp || vint(INTERP)) { /* and Z-buf */
948 greg 2.7 *arcnext++ = ' ';
949 gwlarson 2.25 sprintf(arcnext, fbase, frame-vint(INTERP)-1);
950 greg 2.7 while (*arcnext) arcnext++;
951     strcpy(arcnext, ".zbf");
952     arcnext += 4;
953     }
954     }
955     if (!usepinterp) /* update what's needed */
956     usepfilt |= nora_rgbe;
957 greg 2.2 } else /* interpolation needed */
958 greg 2.1 usepinterp++;
959 greg 2.2 if (frseq[1] >= astat.rnext) /* next batch unavailable */
960     frseq[1] = frseq[0];
961     sprintf(fnbefore, vval(BASENAME), frseq[0]);
962     sprintf(fnafter, vval(BASENAME), frseq[1]);
963     if (rvr == 1 && recover(frseq[0])) /* recover before frame? */
964     return(1);
965     /* generate command */
966 greg 2.1 if (usepinterp) { /* using pinterp */
967 greg 2.2 if (rvr == 2 && recover(frseq[1])) /* recover after? */
968     return(1);
969 greg 2.29 if (nblur > 1) { /* with pmblur */
970 greg 2.6 sprintf(fname0, "%s/vw0%c", vval(DIRECTORY),
971     'a'+(iter%26));
972     sprintf(fname1, "%s/vw1%c", vval(DIRECTORY),
973     'a'+(iter%26));
974 gwlarson 2.25 if (!noaction) {
975     FILE *fp; /* motion blurring */
976     if ((fp = fopen(fname0, "w")) == NULL) {
977     perror(fname0); quit(1);
978     }
979     fputs(VIEWSTR, fp);
980     fprintview(vp, fp);
981     putc('\n', fp); fclose(fp);
982     if ((vp = getview(frame+1)) == NULL) {
983     fprintf(stderr,
984     "%s: unexpected error reading view for frame %d\n",
985     progname, frame+1);
986     quit(1);
987     }
988     if ((fp = fopen(fname1, "w")) == NULL) {
989     perror(fname1); quit(1);
990     }
991     fputs(VIEWSTR, fp);
992     fprintview(vp, fp);
993     putc('\n', fp); fclose(fp);
994 greg 2.1 }
995     sprintf(combuf,
996 greg 2.30 "(pmblur %.3f %d %s %s; rm -f %s %s) | pinterp -B -a",
997 greg 2.29 blurf, nblur,
998 greg 2.6 fname0, fname1, fname0, fname1);
999     iter++;
1000 greg 2.1 } else /* no blurring */
1001     strcpy(combuf, "pinterp");
1002     strcat(combuf, viewopt(vp));
1003     if (vbool(RTRACE))
1004 greg 2.2 sprintf(combuf+strlen(combuf), " -ff -fr '%s -w0 %s'",
1005 greg 2.21 rendopt+1, vval(OCTREE));
1006 greg 2.1 if (vdef(PINTERP))
1007     sprintf(combuf+strlen(combuf), " %s", vval(PINTERP));
1008     if (usepfilt)
1009     sprintf(combuf+strlen(combuf), " %s", rresopt);
1010     else
1011 greg 2.33 sprintf(combuf+strlen(combuf), " -a %s -e %s",
1012 greg 2.1 fresopt, ep);
1013     sprintf(combuf+strlen(combuf), " %s.unf %s.zbf",
1014     fnbefore, fnbefore);
1015 greg 2.2 if (frseq[1] != frseq[0])
1016 greg 2.1 sprintf(combuf+strlen(combuf), " %s.unf %s.zbf",
1017     fnafter, fnafter);
1018     if (usepfilt) { /* also pfilt */
1019     if (vdef(PFILT))
1020     sprintf(combuf+strlen(combuf), " | pfilt %s",
1021     vval(PFILT));
1022     else
1023     strcat(combuf, " | pfilt");
1024     if (ep != NULL)
1025     sprintf(combuf+strlen(combuf), " -1 -e %s %s",
1026     ep, fresopt);
1027     else
1028     sprintf(combuf+strlen(combuf), " %s", fresopt);
1029     }
1030     } else if (usepfilt) { /* pfilt only */
1031 greg 2.2 if (rvr == 2)
1032     return(1);
1033 greg 2.1 if (vdef(PFILT))
1034     sprintf(combuf, "pfilt %s", vval(PFILT));
1035     else
1036     strcpy(combuf, "pfilt");
1037     if (ep != NULL)
1038     sprintf(combuf+strlen(combuf), " -1 -e %s %s %s.unf",
1039     ep, fresopt, fnbefore);
1040     else
1041     sprintf(combuf+strlen(combuf), " %s %s.unf",
1042     fresopt, fnbefore);
1043     } else { /* else just check it */
1044 greg 2.2 if (rvr == 2)
1045     return(1);
1046 greg 2.7 sprintf(combuf, "ra_rgbe -e %s -r %s.unf", ep, fnbefore);
1047 greg 2.1 }
1048     /* output file name */
1049 greg 2.6 sprintf(fname0, vval(BASENAME), frame);
1050     sprintf(combuf+strlen(combuf), " > %s.pic", fname0);
1051 greg 2.2 if (rvr) /* in recovery */
1052     return(runcom(combuf));
1053     bruncom(combuf, frame, frecover); /* else run in background */
1054     return(0);
1055 greg 2.1 }
1056    
1057    
1058 schorsch 2.43 static VIEW *
1059     getview(int n) /* get view number n */
1060 greg 2.1 {
1061     static FILE *viewfp = NULL; /* view file pointer */
1062     static int viewnum = 0; /* current view number */
1063     static VIEW curview = STDVIEW; /* current view */
1064     char linebuf[256];
1065    
1066     if (n == 0) { /* signal to close file and clean up */
1067     if (viewfp != NULL) {
1068     fclose(viewfp);
1069     viewfp = NULL;
1070     viewnum = 0;
1071 schorsch 2.40 curview = stdview;
1072 greg 2.1 }
1073     return(NULL);
1074     }
1075 gwlarson 2.24 if (viewfp == NULL) { /* open file */
1076 greg 2.1 if ((viewfp = fopen(vval(VIEWFILE), "r")) == NULL) {
1077     perror(vval(VIEWFILE));
1078     quit(1);
1079     }
1080 gwlarson 2.24 } else if (n > 0 && n < viewnum) { /* rewind file */
1081 greg 2.8 if (viewnum == 1 && feof(viewfp))
1082     return(&curview); /* just one view */
1083 greg 2.1 if (fseek(viewfp, 0L, 0) == EOF) {
1084     perror(vval(VIEWFILE));
1085     quit(1);
1086     }
1087 schorsch 2.40 curview = stdview;
1088 greg 2.1 viewnum = 0;
1089     }
1090 gwlarson 2.24 if (n < 0) { /* get next view */
1091     register int c = getc(viewfp);
1092     if (c == EOF)
1093     return((VIEW *)NULL); /* that's it */
1094     ungetc(c, viewfp);
1095     n = viewnum + 1;
1096     }
1097 greg 2.1 while (n > viewnum) { /* scan to desired view */
1098     if (fgets(linebuf, sizeof(linebuf), viewfp) == NULL)
1099 greg 2.15 return(viewnum==1 ? &curview : (VIEW *)NULL);
1100 greg 2.1 if (isview(linebuf) && sscanview(&curview, linebuf) > 0)
1101     viewnum++;
1102     }
1103     return(&curview); /* return it */
1104     }
1105    
1106    
1107 schorsch 2.43 static int
1108     countviews(void) /* count views in view file */
1109 greg 2.1 {
1110 gwlarson 2.24 int n;
1111 greg 2.1
1112 gwlarson 2.24 if (getview(n=1) == NULL)
1113     return(0);
1114     while (getview(-1) != NULL)
1115 greg 2.1 n++;
1116     return(n);
1117     }
1118    
1119    
1120 schorsch 2.43 static char *
1121     getexp(int n) /* get exposure for nth frame */
1122 greg 2.1 {
1123     extern char *fskip();
1124     static char expval[32];
1125     static FILE *expfp = NULL;
1126     static long *exppos;
1127     static int curfrm;
1128     register char *cp;
1129    
1130     if (n == 0) { /* signal to close file */
1131     if (expfp != NULL) {
1132     fclose(expfp);
1133 greg 2.29 free((void *)exppos);
1134 greg 2.1 expfp = NULL;
1135     }
1136     return(NULL);
1137 greg 2.14 } else if (n > vint(END)) /* request past end (error?) */
1138     return(NULL);
1139 greg 2.1 if (!vdef(EXPOSURE)) /* no setting (auto) */
1140     return(NULL);
1141     if (isflt(vval(EXPOSURE))) /* always the same */
1142     return(vval(EXPOSURE));
1143     if (expfp == NULL) { /* open exposure file */
1144     if ((expfp = fopen(vval(EXPOSURE), "r")) == NULL) {
1145     fprintf(stderr,
1146     "%s: cannot open exposure file \"%s\"\n",
1147     progname, vval(EXPOSURE));
1148     quit(1);
1149     }
1150     curfrm = vint(END) + 1; /* init lookup tab. */
1151     exppos = (long *)malloc(curfrm*sizeof(long *));
1152     if (exppos == NULL) {
1153     perror(progname);
1154     quit(1);
1155     }
1156     while (curfrm--)
1157     exppos[curfrm] = -1L;
1158     curfrm = 0;
1159     }
1160     /* find position in file */
1161     if (n-1 != curfrm && n != curfrm && exppos[n-1] >= 0 &&
1162     fseek(expfp, exppos[curfrm=n-1], 0) == EOF) {
1163     fprintf(stderr, "%s: seek error on exposure file\n", progname);
1164     quit(1);
1165     }
1166     while (n > curfrm) { /* read exposure */
1167     if (exppos[curfrm] < 0)
1168     exppos[curfrm] = ftell(expfp);
1169     if (fgets(expval, sizeof(expval), expfp) == NULL) {
1170     fprintf(stderr, "%s: too few exposures\n",
1171     vval(EXPOSURE));
1172     quit(1);
1173     }
1174     curfrm++;
1175     cp = fskip(expval); /* check format */
1176 greg 2.14 if (cp != NULL)
1177     while (isspace(*cp))
1178     *cp++ = '\0';
1179     if (cp == NULL || *cp) {
1180 greg 2.1 fprintf(stderr,
1181     "%s: exposure format error on line %d\n",
1182     vval(EXPOSURE), curfrm);
1183     quit(1);
1184     }
1185     }
1186     return(expval); /* return value */
1187     }
1188    
1189    
1190 schorsch 2.43 static struct pslot *
1191     findpslot(int pid) /* find or allocate a process slot */
1192 greg 2.2 {
1193     register struct pslot *psempty = NULL;
1194     register int i;
1195    
1196     for (i = 0; i < npslots; i++) { /* look for match */
1197     if (pslot[i].pid == pid)
1198     return(pslot+i);
1199     if (psempty == NULL && pslot[i].pid == 0)
1200     psempty = pslot+i;
1201     }
1202     return(psempty); /* return emtpy slot (error if NULL) */
1203     }
1204    
1205    
1206 schorsch 2.43 static int
1207     donecom( /* clean up after finished process */
1208     PSERVER *ps,
1209     int pn,
1210     int status
1211     )
1212 greg 2.2 {
1213 schorsch 2.43 register NETPROC *pp;
1214 greg 2.18 register struct pslot *psl;
1215 greg 2.2
1216     pp = ps->proc + pn;
1217 greg 2.3 if (pp->elen) { /* pass errors */
1218 greg 2.2 if (ps->hostname[0])
1219 greg 2.3 fprintf(stderr, "%s: ", ps->hostname);
1220     fprintf(stderr, "Error output from: %s\n", pp->com);
1221 greg 2.2 fputs(pp->errs, stderr);
1222     fflush(stderr);
1223     if (ps->hostname[0])
1224     status = 1; /* because rsh doesn't return status */
1225     }
1226 greg 2.18 lastpserver = NULL;
1227     psl = findpslot(pp->pid); /* check for bruncom() slot */
1228     if (psl->pid) {
1229     if (status) {
1230     if (psl->rcvf != NULL) /* attempt recovery */
1231     status = (*psl->rcvf)(psl->fout);
1232     if (status) {
1233     fprintf(stderr,
1234     "%s: error rendering frame %d\n",
1235     progname, psl->fout);
1236     quit(1);
1237     }
1238     lastpserver = ps;
1239     }
1240     psl->pid = 0; /* free process slot */
1241     } else if (status)
1242     lastpserver = ps;
1243 greg 2.2 freestr(pp->com); /* free command string */
1244     return(status);
1245     }
1246    
1247    
1248 schorsch 2.43 static int
1249     serverdown(void) /* check status of last process server */
1250 greg 2.2 {
1251 greg 2.18 if (lastpserver == NULL || !lastpserver->hostname[0])
1252     return(0);
1253 greg 2.2 if (pserverOK(lastpserver)) /* server still up? */
1254     return(0);
1255     delpserver(lastpserver); /* else delete it */
1256     if (pslist == NULL) {
1257     fprintf(stderr, "%s: all process servers are down\n",
1258     progname);
1259     quit(1);
1260     }
1261     return(1);
1262     }
1263    
1264    
1265 schorsch 2.43 static int
1266     bruncom( /* run a command in the background */
1267     char *com,
1268     int fout,
1269     int (*rf)()
1270     )
1271 greg 2.2 {
1272     int pid;
1273     register struct pslot *psl;
1274    
1275 greg 2.5 if (noaction) {
1276     if (!silent)
1277     printf("\t%s\n", com); /* echo command */
1278 greg 2.2 return(0);
1279 greg 2.5 }
1280 greg 2.18 com = savestr(com); /* else start it when we can */
1281     while ((pid = startjob(NULL, com, donecom)) == -1)
1282 greg 2.2 bwait(1);
1283 greg 2.5 if (!silent) { /* echo command */
1284 greg 2.3 PSERVER *ps;
1285     int psn = pid;
1286 greg 2.4 ps = findjob(&psn);
1287 greg 2.5 printf("\t%s\n", com);
1288 greg 2.4 printf("\tProcess started on %s\n", phostname(ps));
1289 greg 2.3 fflush(stdout);
1290     }
1291 greg 2.2 psl = findpslot(pid); /* record info. in appropriate slot */
1292     psl->pid = pid;
1293     psl->fout = fout;
1294     psl->rcvf = rf;
1295     return(pid);
1296     }
1297    
1298    
1299 schorsch 2.43 static void
1300     bwait(int ncoms) /* wait for batch job(s) to finish */
1301 greg 2.2 {
1302     int status;
1303    
1304     if (noaction)
1305     return;
1306     while ((status = wait4job(NULL, -1)) != -1) {
1307 greg 2.18 serverdown(); /* update server status */
1308     if (--ncoms == 0)
1309     break; /* done enough */
1310 greg 2.2 }
1311     }
1312    
1313    
1314 schorsch 2.43 static int
1315     pruncom( /* run a command in parallel over network */
1316     char *com,
1317     char *ppins,
1318     int maxcopies
1319     )
1320 greg 2.2 {
1321     int retstatus = 0;
1322 greg 2.3 int hostcopies;
1323 greg 2.18 char buf[10240], *com1, *s;
1324 greg 2.2 int status;
1325 greg 2.17 int pfd;
1326     register int n;
1327 greg 2.2 register PSERVER *ps;
1328    
1329 greg 2.3 if (!silent)
1330 greg 2.6 printf("\t%s\n", com); /* echo command */
1331 greg 2.3 if (noaction)
1332 greg 2.2 return(0);
1333 greg 2.3 fflush(stdout);
1334 greg 2.2 /* start jobs on each server */
1335 greg 2.3 for (ps = pslist; ps != NULL; ps = ps->next) {
1336     hostcopies = 0;
1337 greg 2.4 if (maxcopies > 1 && ps->nprocs > 1 && ppins != NULL) {
1338 greg 2.17 strcpy(com1=buf, com); /* build -PP command */
1339 greg 2.4 sprintf(com1+(ppins-com), " -PP %s/%s.persist",
1340     vval(DIRECTORY), phostname(ps));
1341 greg 2.36 unlink(com1+(ppins-com)+5);
1342 greg 2.4 strcat(com1, ppins);
1343 greg 2.17 } else
1344 greg 2.4 com1 = com;
1345 greg 2.18 while (maxcopies > 0) {
1346     s = savestr(com1);
1347     if (startjob(ps, s, donecom) != -1) {
1348     sleep(20);
1349     hostcopies++;
1350     maxcopies--;
1351     } else {
1352     freestr(s);
1353     break;
1354     }
1355 greg 2.2 }
1356 greg 2.3 if (!silent && hostcopies) {
1357     if (hostcopies > 1)
1358     printf("\t%d duplicate processes", hostcopies);
1359     else
1360     printf("\tProcess");
1361 greg 2.4 printf(" started on %s\n", phostname(ps));
1362 greg 2.3 fflush(stdout);
1363     }
1364     }
1365 greg 2.2 /* wait for jobs to finish */
1366     while ((status = wait4job(NULL, -1)) != -1)
1367 greg 2.18 retstatus += status && !serverdown();
1368 greg 2.17 /* terminate parallel rpict's */
1369 greg 2.18 for (ps = pslist; ps != NULL; ps = ps->next) {
1370     sprintf(buf, "%s/%s.persist", vval(DIRECTORY), phostname(ps));
1371 greg 2.17 if ((pfd = open(buf, O_RDONLY)) >= 0) {
1372     n = read(pfd, buf, sizeof(buf)-1); /* get PID */
1373     buf[n] = '\0';
1374     close(pfd);
1375     for (n = 0; buf[n] && !isspace(buf[n]); n++)
1376     ;
1377     /* terminate */
1378     sprintf(buf, "kill -ALRM %d", atoi(buf+n));
1379 greg 2.18 wait4job(ps, startjob(ps, buf, NULL));
1380 greg 2.17 }
1381     }
1382 greg 2.2 return(retstatus);
1383     }
1384    
1385    
1386 schorsch 2.43 static int
1387     runcom(char *cs) /* run a command locally and wait for it */
1388 greg 2.1 {
1389     if (!silent) /* echo it */
1390     printf("\t%s\n", cs);
1391     if (noaction)
1392     return(0);
1393     fflush(stdout); /* flush output and pass to shell */
1394     return(system(cs));
1395     }
1396    
1397    
1398 schorsch 2.43 static int
1399     rmfile(char *fn) /* remove a file */
1400 greg 2.1 {
1401     if (!silent)
1402 schorsch 2.37 #ifdef _WIN32
1403 greg 2.1 printf("\tdel %s\n", fn);
1404     #else
1405     printf("\trm -f %s\n", fn);
1406     #endif
1407     if (noaction)
1408     return(0);
1409     return(unlink(fn));
1410     }
1411    
1412    
1413 schorsch 2.43 static void
1414     badvalue(int vc) /* report bad variable value and exit */
1415 greg 2.1 {
1416     fprintf(stderr, "%s: bad value for variable '%s'\n",
1417     progname, vnam(vc));
1418     quit(1);
1419 gwlarson 2.25 }
1420    
1421    
1422 schorsch 2.43 static char *
1423     dirfile( /* separate path into directory and file */
1424     char *df,
1425     register char *path
1426     )
1427 gwlarson 2.25 {
1428     register int i;
1429     int psep;
1430    
1431     for (i = 0, psep = -1; path[i]; i++)
1432     if (path[i] == '/')
1433     psep = i;
1434 schorsch 2.40 if (df != NULL) {
1435 gwlarson 2.25 if (psep == 0) {
1436     df[0] = '/';
1437     df[1] = '\0';
1438     } else if (psep > 0) {
1439     strncpy(df, path, psep);
1440     df[psep] = '\0';
1441     } else
1442     df[0] = '\0';
1443 schorsch 2.40 }
1444 gwlarson 2.25 return(path+psep+1);
1445 greg 2.29 }
1446    
1447    
1448 schorsch 2.43 static int
1449 greg 2.29 getblur(double *bf) /* get # blur samples (and fraction) */
1450     {
1451     double blurf;
1452     int nblur;
1453     char *s;
1454    
1455     if (!vdef(MBLUR)) {
1456     if (bf != NULL)
1457     *bf = 0.0;
1458     return(0);
1459     }
1460     blurf = atof(vval(MBLUR));
1461     if (blurf < 0.0)
1462     blurf = 0.0;
1463     if (bf != NULL)
1464     *bf = blurf;
1465     if (blurf <= FTINY)
1466     return(0);
1467     s = sskip(vval(MBLUR));
1468     if (!*s)
1469     return(DEF_NBLUR);
1470     nblur = atoi(s);
1471     if (nblur <= 0)
1472     return(1);
1473     return(nblur);
1474 greg 2.1 }