function run()
{
global $ost;
if (!$ost->getConfig()->isEmailPollingEnabled()) {
return;
}
//We require imap ext to fetch emails via IMAP/POP3
//We check here just in case the extension gets disabled post email config...
if (!function_exists('imap_open')) {
$msg = _S('osTicket requires PHP IMAP extension enabled for IMAP/POP3 email fetch to work!');
$ost->logWarning(_S('Mail Fetch Error'), $msg);
return;
}
//Hardcoded error control...
$MAXERRORS = 5;
//Max errors before we start delayed fetch attempts
$TIMEOUT = 10;
//Timeout in minutes after max errors is reached.
$sql = ' SELECT email_id, mail_errors FROM ' . EMAIL_TABLE . ' WHERE mail_active=1 ' . ' AND (mail_errors<=' . $MAXERRORS . ' OR (TIME_TO_SEC(TIMEDIFF(NOW(), mail_lasterror))>' . $TIMEOUT * 60 . ') )' . ' AND (mail_lastfetch IS NULL OR TIME_TO_SEC(TIMEDIFF(NOW(), mail_lastfetch))>mail_fetchfreq*60)' . ' ORDER BY mail_lastfetch ASC';
if (!($res = db_query($sql)) || !db_num_rows($res)) {
return;
}
/* Failed query (get's logged) or nothing to do... */
//Get max execution time so we can figure out how long we can fetch
// take fetching emails.
if (!($max_time = ini_get('max_execution_time'))) {
$max_time = 300;
}
//Start time
$start_time = Misc::micro_time();
while (list($emailId, $errors) = db_fetch_row($res)) {
//Break if we're 80% into max execution time
if (Misc::micro_time() - $start_time > $max_time * 0.8) {
break;
}
$fetcher = new MailFetcher($emailId);
if ($fetcher->connect()) {
db_query('UPDATE ' . EMAIL_TABLE . ' SET mail_errors=0, mail_lastfetch=NOW() WHERE email_id=' . db_input($emailId));
$fetcher->fetchEmails();
$fetcher->close();
} else {
db_query('UPDATE ' . EMAIL_TABLE . ' SET mail_errors=mail_errors+1, mail_lasterror=NOW() WHERE email_id=' . db_input($emailId));
if (++$errors >= $MAXERRORS) {
//We've reached the MAX consecutive errors...will attempt logins at delayed intervals
$msg = "\n" . _S('osTicket is having trouble fetching emails from the following mail account') . ": \n" . "\n" . _S('User') . ": " . $fetcher->getUsername() . "\n" . _S('Host') . ": " . $fetcher->getHost() . "\n" . _S('Error') . ": " . $fetcher->getLastError() . "\n\n " . sprintf(_S('%1$d consecutive errors. Maximum of %2$d allowed'), $errors, $MAXERRORS) . "\n\n " . sprintf(_S('This could be connection issues related to the mail server. Next delayed login attempt in aprox. %d minutes'), $TIMEOUT);
$ost->alertAdmin(_S('Mail Fetch Failure Alert'), $msg, true);
}
}
}
//end while.
}
function run()
{
global $ost;
if (!$ost->getConfig()->isEmailPollingEnabled()) {
return;
}
//We require imap ext to fetch emails via IMAP/POP3
//We check here just in case the extension gets disabled post email config...
if (!function_exists('imap_open')) {
$msg = 'osTicket requires PHP IMAP extension enabled for IMAP/POP3 email fetch to work!';
$ost->logWarning('Mail Fetch Error', $msg);
return;
}
//Hardcoded error control...
$MAXERRORS = 5;
//Max errors before we start delayed fetch attempts
$TIMEOUT = 10;
//Timeout in minutes after max errors is reached.
$sql = ' SELECT email_id, mail_errors FROM ' . EMAIL_TABLE . ' WHERE mail_active=1 ' . ' AND (mail_errors<=' . $MAXERRORS . ' OR (TIME_TO_SEC(TIMEDIFF(NOW(), mail_lasterror))>' . $TIMEOUT * 60 . ') )' . ' AND (mail_lastfetch IS NULL OR TIME_TO_SEC(TIMEDIFF(NOW(), mail_lastfetch))>mail_fetchfreq*60)' . ' ORDER BY mail_lastfetch DESC' . ' LIMIT 10';
//Processing up to 10 emails at a time.
// echo $sql;
if (!($res = db_query($sql)) || !db_num_rows($res)) {
return;
}
/* Failed query (get's logged) or nothing to do... */
//TODO: Lock the table here??
while (list($emailId, $errors) = db_fetch_row($res)) {
$fetcher = new MailFetcher($emailId);
if ($fetcher->connect()) {
$fetcher->fetchEmails();
$fetcher->close();
db_query('UPDATE ' . EMAIL_TABLE . ' SET mail_errors=0, mail_lastfetch=NOW() WHERE email_id=' . db_input($emailId));
} else {
db_query('UPDATE ' . EMAIL_TABLE . ' SET mail_errors=mail_errors+1, mail_lasterror=NOW() WHERE email_id=' . db_input($emailId));
if (++$errors >= $MAXERRORS) {
//We've reached the MAX consecutive errors...will attempt logins at delayed intervals
$msg = "\nosTicket is having trouble fetching emails from the following mail account: \n" . "\nUser: "******"\nHost: " . $fetcher->getHost() . "\nError: " . $fetcher->getLastError() . "\n\n " . $errors . ' consecutive errors. Maximum of ' . $MAXERRORS . ' allowed' . "\n\n This could be connection issues related to the mail server. Next delayed login attempt in aprox. {$TIMEOUT} minutes";
$ost->alertAdmin('Mail Fetch Failure Alert', $msg, true);
}
}
}
//end while.
}