/**
* Notify the ChronologyProtector that the LoadBalancer is about to shut
* down. Saves replication positions.
*
* @param LoadBalancer $lb
* @return void
*/
public function shutdownLB(LoadBalancer $lb)
{
if (session_id() == '' || $lb->getServerCount() <= 1) {
return;
// don't start a session; don't bother with non-replicated setups
}
$masterName = $lb->getServerName(0);
if (isset($this->shutdownPositions[$masterName])) {
return;
// already done
}
// Only save the position if writes have been done on the connection
$db = $lb->getAnyOpenConnection(0);
$info = $lb->parentInfo();
if (!$db || !$db->doneWrites()) {
wfDebug(__METHOD__ . ": LB {$info['id']}, no writes done\n");
return;
}
$pos = $db->getMasterPos();
wfDebug(__METHOD__ . ": LB {$info['id']} has master pos {$pos}\n");
$this->shutdownPositions[$masterName] = $pos;
}
/**
* Notify the ChronologyProtector that the LoadBalancer is about to shut
* down. Saves replication positions.
*
* @param LoadBalancer $lb
* @return void
*/
public function shutdownLB(LoadBalancer $lb)
{
if (!$this->enabled || $lb->getServerCount() <= 1) {
return;
// non-replicated setup or disabled
}
$info = $lb->parentInfo();
$masterName = $lb->getServerName($lb->getWriterIndex());
// Only save the position if writes have been done on the connection
$db = $lb->getAnyOpenConnection($lb->getWriterIndex());
if (!$db || !$db->doneWrites()) {
wfDebugLog('replication', __METHOD__ . ": LB {$info['id']}, no writes done\n");
return;
// nothing to do
}
$pos = $db->getMasterPos();
wfDebugLog('replication', __METHOD__ . ": LB {$info['id']} has master pos {$pos}\n");
$this->shutdownPositions[$masterName] = $pos;
}
/**
* Notify the ChronologyProtector that the LoadBalancer is about to shut
* down. Saves replication positions.
*
* @param LoadBalancer $lb
*/
function shutdownLB($lb)
{
if (session_id() != '' && $lb->getServerCount() > 1) {
$masterName = $lb->getServerName(0);
if (!isset($this->shutdownPos[$masterName])) {
$pos = $lb->getMasterPos();
$info = $lb->parentInfo();
wfDebug(__METHOD__ . ": LB " . $info['id'] . " has master pos {$pos}\n");
$this->shutdownPos[$masterName] = $pos;
}
}
}
