aboutsummaryrefslogtreecommitdiffstats
path: root/nph-png
blob: 0240b64fb76736937486edc3069e23e802d3235d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
#!/usr/bin/perl

use strict;
use vars qw ($file $DELAY);
########## CONFIG
  $file = "lcd4linux"; # .png is appended
  $DELAY = 0;          # delay in seconds
                       # if delay is zero, file is sent when modified.
#################

use CGI qw/:push -nph/;
$| = 1;
my ($mtime, $nmtime, $size, $nsize);
(undef, undef, undef, undef, undef, undef, undef, $size, undef,
   $mtime) = stat "$file.png";
print multipart_init(-boundary=>'----------------here we go!');
while (1) {
  print multipart_start(-type=>'image/png');
  undef $/;
  open(IN, "$file.png") or die("Can't read '$file.png'");
  $_ = <IN>;
  print $_;
  close(IN);
  print multipart_end;
  if ($DELAY) {
    sleep $DELAY;
  }  
  else {
    W: while (1) {
  #    sleep(1);
      (undef, undef, undef, undef, undef, undef, undef, $nsize, undef,
         $nmtime) = stat "$file.png";
      if($mtime != $nmtime || $size != $nsize) {	 
        $mtime = $nmtime;
	$size = $nsize;
	last W;
      }	
    }	 
  }	
}
* Revision 1.6 2001/09/12 05:37:22 reinelt * * fixed a bug in seti.c (file was never closed, lcd4linux run out of fd's * * improved socket debugging * * Revision 1.5 2001/08/05 17:13:29 reinelt * * cleaned up inlude of sys/time.h and time.h * * Revision 1.4 2001/03/08 09:02:04 reinelt * * seti client cleanup * * Revision 1.3 2001/02/19 00:15:46 reinelt * * integrated mail and seti client * major rewrite of parser and tokenizer to support double-byte tokens * * Revision 1.2 2001/02/18 21:16:06 reinelt * *** empty log message *** * * Revision 1.1 2001/02/18 21:15:15 reinelt * * added setiathome client * */ /* * exported functions: * * Seti (int *perc, int *cput) * returns 0 if ok, -1 if error * sets *perc to the percentage completed by seti@home client * sets *perc to the cpu time used * */ #define STATEFILE "state.sah" #include <stdlib.h> #include <stdio.h> #include <string.h> #include <unistd.h> #include <fcntl.h> #include <errno.h> #include <time.h> #include <sys/ioctl.h> #include <sys/types.h> #include "cfg.h" #include "debug.h" #include "seti.h" int Seti (double *perc, double *cput) { static char fn[256]; static time_t now=0; static int fd=-2; static double v1=0; static double v2=0; char buffer[8192], *p; *perc=v1; *cput=v2; if (fd==-1) return -1; if (time(NULL)==now) return 0; time(&now); if (fd==-2) { char *dir=cfg_get("SetiDir",NULL); if (dir==NULL || *dir=='\0') { error ("no 'SetiDir' entry in %s!\n", cfg_file()); fd=-1; return -1; } if (strlen(dir)>sizeof(fn)-sizeof(STATEFILE)-2) { error ("entry 'SetiDir' too long in %s!\n", cfg_file()); fd=-1; return -1; } strcpy(fn, dir); strcat(fn, "/"); strcat(fn, STATEFILE); } fd = open(fn, O_RDONLY); if (fd==-1) { error ("open(%s) failed: %s", fn, strerror(errno)); return -1; } if (read (fd, &buffer, sizeof(buffer)-1)==-1) { error ("read(%s) failed: %s", fn, strerror(errno)); close (fd); fd=-1; return -1; } close (fd); p=strstr(buffer, "prog="); if (p==NULL) { error ("parse(%s) failed: no 'prog=' line", fn); fd=-1; return -1; } if (sscanf(p+5, "%lf", &v1)!=1) { error ("parse(%s) failed: unknown 'prog=' format", fn); fd=-1; return -1; } p=strstr(buffer, "cpu="); if (p==NULL) { error ("parse(%s) failed: no 'cpu=' line", fn); fd=-1; return -1; } if (sscanf(p+4, "%lf", &v2)!=1) { error ("parse(%s) failed: unknown 'cpu=' format", fn); fd=-1; return -1; } *perc=v1; *cput=v2; return 0; }