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Ticket #1545. Lock each dnsHost to be updated to prevent running two instances in parallell.

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This commit is contained in:
Ermal 2011-05-27 10:45:05 +00:00
parent 224ddbadab
commit 71070cc55f
1 changed files with 6 additions and 1 deletions
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7
etc/inc/dyndns.class
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@ -98,7 +98,9 @@
$this->_debugFile = "{$g['varetc_path']}/dyndns_{$dnsIf}{$dnsService}" . escapeshellarg($dnsHost) . ".debug";
log_error("DynDns: updatedns() starting");
$dyndnslck = lock($dnsHost, LOCK_EX);
if (!$dnsService) $this->_error(2);
switch ($dnsService) {
case 'freedns':
@ -128,6 +130,7 @@
// Ensure that we where able to lookup the IP
if(!is_ipaddr($this->_ifIP)) {
log_error("There was an error trying to determine the IP for interface - {$dnsIf}({$this->_if}). Probably interface has no ip or is down. Dyndns update not possible for {$dnsService}.");
unlock($dyndnslck);
return;
}
@ -162,6 +165,8 @@
break;
}
}
unlock($dyndnslck);
}
/*