commands to download logs and kill camogm

$file_lba_end = $sysfs_lba_path."lba_end";

switch($cmd){

  case "camogm_debug":

        exec("echo 'debug=/tmp/camogm.log;debuglev=6' > /var/state/camogm_cmd");

        echo "$cmd ok";

        break;

  case "camogm_kill":

        exec("killall -9 camogm");

        echo "$cmd ok";

        break;

  case "logs_download":

        header("Content-Type: application/octet-stream");

        header("Content-Disposition: attachment; filename=\"{$_SERVER["SERVER_ADDR"]}.logs\"");

        echo_file($sysfs_lba_path."io_error");

        echo_file($file_lba_start);

        echo_file($file_lba_current);

        echo_file($file_lba_end);

        echo_file($camogmdisk);

        echo_file("/var/log/messages");

        echo_file("/var/tmp/camogm.log");

        break;

  case "external_drive":

  	switch_sata_connection("external");

  	echo "$cmd ok";

    print("nothing has been done");

}

function echo_file($f){

  if (is_file($f)){

    echo "$f:\n";

    echo file_get_contents($f)."\n";

  }else{

    echo "$f: missing\n";

  }

  return 0;

}

function switch_sata_connection($mode){

  global $mountpoint;

	exec("umount $mountpoint");

	exec("rmmod ahci_elphel");

  if       ($mode=="external"){

	  exec("/usr/local/bin/x393sata_control.py set_zynq_esata");

    exec("/usr/local/bin/x393sata_eyesis4pi_control.py set_zynq_esata");

  }else if ($mode=="internal"){

	  exec("/usr/local/bin/x393sata_control.py set_zynq_ssd");

    exec("/usr/local/bin/x393sata_eyesis4pi_control.py set_zynq_ssd");

  }

	exec("modprobe ahci_elphel >/dev/null 2>&1 &");

	sleep(2);

	exec("echo 1 > /sys/devices/soc0/amba@0/80000000.elphel-ahci/load_module");

}

?>