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<?php
class LocationInfo
{
/**
* Gets the pc data and returns it's state.
*
* @param array $pc The pc data from the db. Array('logintime' =>, 'lastseen' =>, 'lastboot' =>)
* @return int pc state
*/
public static function getPcState($pc)
{
/* pcState:
* [0] = IDLE (NOT IN USE)
* [1] = OCCUPIED (IN USE)
* [2] = OFF
* [3] = 10 days offline (BROKEN?)
*/
// TODO USE STATE NAME instead of numbers
$logintime = (int)$pc['logintime'];
$lastseen = (int)$pc['lastseen'];
$lastboot = (int)$pc['lastboot'];
$NOW = time();
if ($NOW - $lastseen > 14 * 86400) {
return "BROKEN";
} elseif (($NOW - $lastseen > 610) || $lastboot === 0) {
return "OFF";
} elseif ($logintime === 0) {
return "IDLE";
} elseif ($logintime > 0) {
return "OCCUPIED";
}
return -1;
}
/**
* Set current error message of given server. Pass null or false to clear.
*
* @param int $serverId id of server
* @param string $message error message to set, null or false clears error.
*/
public static function setServerError($serverId, $message)
{
if ($message === false || $message === null) {
Database::exec("UPDATE `locationinfo_coursebackend` SET error = NULL
WHERE serverid = :id", array('id' => $serverId));
} else {
if (empty($message)) {
$message = '<empty error message>';
}
$error = json_encode(array(
'timestamp' => time(),
'error' => (string)$message
));
Database::exec("UPDATE `locationinfo_coursebackend` SET error = :error
WHERE serverid = :id", array('id' => $serverId, 'error' => $error));
}
}
}
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