apps/ccamftp/ccamftp.php

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#!/usr/local/sbin/php -q
<?php



set_time_limit(0);
$ftpConfigFile='/etc/conf.d/ccamftp33.conf';
$tmpDir=       '/tmp';
$daemonParamsTemplate=array('FTP_PERIOD'=>null, 'FTP_TIMEOUT'=>null, 'FTP_UPDATE'=>null, 'FTP_NEXT_TIME'=>null);
//echo "<pre>";
$ftpConfig=parse_ini_file  ($ftpConfigFile );
//$ftpConfig=file  ($ftpConfigFile );
//print_r($ftpConfig);
  $lastCycleTime=0; 

  $framepars_file=fopen("/dev/frameparsall","r");
  if ((elphel_get_P_value(ELPHEL_DAEMON_EN) & (1 << ELPHEL_CONST_DAEMON_BIT_CCAMFTP))==0) {
     echo "ccamftp daemon is not enabled at startup. To activate it - please enable the control bit (DAEMON_EN_CCAMFTP) and restart the camera\n";
     echo "Exiting ...\n";
     exit (0);
  }
  $tmpJPEG=$tmpDir."/".$ftpConfig['INAME'].".jpeg";
  elphel_set_P_value(ELPHEL_FTP_NEXT_TIME, time()); 
  while (true) {
    fseek($framepars_file, ELPHEL_LSEEK_DAEMON_FRAME + ELPHEL_CONST_DAEMON_BIT_CCAMFTP, SEEK_END);
    $daemonParams=elphel_get_P_arr($daemonParamsTemplate);
//   print_r($daemonParams);
    $remoteConfig=    getFTPFileWithTimeoutTo($ftpConfig['SERVER'],
                                                $ftpConfig['USER'],
                                            $ftpConfig['PASSWORD'],
                                     $ftpConfig['REMOTE_CONF_DIR'],
                                               $ftpConfig['INAME'],
                                                           $tmpDir,
                                      $daemonParams['FTP_TIMEOUT']);

    if ($remoteConfig) {
      foreach ($remoteConfig as $key=>$value) $remoteConfig[$key]=myval($value);
       $frameWritten=elphel_set_P_arr($remoteConfig); 
       $daemonParams=elphel_get_P_arr($daemonParamsTemplate,$frameWritten);
       elphel_wait_frame_abs($frameWritten+2); 
    }
//    print_r($daemonParams);
//    print_r($remoteConfig);
    if ((($dt=($daemonParams['FTP_NEXT_TIME']-time())))>0) {
       if ($dt>$daemonParams['FTP_UPDATE']) $dt=$daemonParams['FTP_UPDATE'];
       sleep ($dt);
    } else { 

      if (file_exists($tmpName)) unlink ($tmpName);
      copy ('http://127.0.0.1:8081/img',$tmpJPEG);
      $cmd=sprintf("timeout %d sftpclient -s -p %s  -k %s -l %s -c %s -d %s.jpeg -t %s.tmp -u %s -w %s",
                    $daemonParams['FTP_TIMEOUT'],
                    $ftpConfig['SERVER'],
                    $tmpDir,
                    $tmpJPEG,
                    $ftpConfig['REMOTE_DIR'],
                    $ftpConfig['INAME'],
                    $ftpConfig['INAME'],
                    $ftpConfig['USER'],
                    $ftpConfig['PASSWORD']);
//      echo ($cmd);
      exec ($cmd);
      getFileWithTimeoutTo($ftpConfig['REMOTE_SCRIPT_PATH'],
                           '/dev/null',
                           $daemonParams['FTP_TIMEOUT']);
      $daemonParams['FTP_NEXT_TIME']+=$daemonParams['FTP_PERIOD'];
      if ($daemonParams['FTP_NEXT_TIME'] < time()) { 
         $daemonParams['FTP_NEXT_TIME']=time()+$daemonParams['FTP_PERIOD'];
      }
      elphel_set_P_value(ELPHEL_FTP_NEXT_TIME, $daemonParams['FTP_NEXT_TIME']); 
    }
  }


  function getFTPFileWithTimeoutTo($server,$user,$password,$remoteConfDir,$iname,$tmpDir,$timeout) {
    $tmpName="${tmpDir}/${iname}.conf";
    getFileWithTimeoutTo("ftp://${user}:${password}@${server}${remoteConfDir}/${iname}.conf",$tmpName, $timeout);
    if (!file_exists($tmpName)) return null; 
    $remoteConfig=parse_ini_file  ($tmpName);
//print_r ($remoteConfig);
    if ($remoteConfig['FINISH']==1) {
      unset ($remoteConfig['FINISH']);
      return $remoteConfig;
    }
    return null;

  }
  function getFileWithTimeoutTo($url,$tmpName,$timeout) {
    if ((file_exists($tmpName)) && (strpos($tmpName,'/dev/'!==0))) unlink ($tmpName);
    $cmd="timeout ${timeout} wget \"${url}\"  -q -O ${tmpName}";
//echo ($cmd);
    exec ($cmd);
  }
function myval ($s) {
  $s=trim($s,"\" ");
  if (strtoupper(substr($s,0,2))=="0X")   return intval(hexdec($s));
  else return intval($s);
}
?>

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