/**
* get current working node, recursive, trims disconnected clients
*/
public static function getClient($writeMode = FALSE)
{
// Catch trimmed nodes or a completely trimmed pool
if (empty(self::$_activeNode) || empty(self::$_socketPool[self::$_activePool])) {
self::registerError('Not Connected', PandraLog::LOG_CRIT);
throw new Exception('Not Connected');
}
$activePool = self::$_socketPool[self::$_activePool];
$useMode = $writeMode ? self::$writeMode : self::$readMode;
switch ($useMode) {
case self::MODE_ROUND:
if (!current(self::$_socketPool[self::$_activePool])) {
reset(self::$_socketPool[self::$_activePool]);
}
$curConn = each(self::$_socketPool[self::$_activePool]);
self::$_activeNode = $curConn['key'];
// store current working node
$conn = self::$_socketPool[self::$_activePool][self::$_activeNode]['client'];
break;
case self::MODE_RANDOM:
self::$_activeNode = array_rand($activePool);
$conn = self::$_socketPool[self::$_activePool][self::$_activeNode]['client'];
break;
case self::MODE_ACTIVE:
default:
// If we're trying to use an explicit connection id and it's down, then bail
if (self::priorFail(self::$_activeNode)) {
return NULL;
}
$conn = self::$_socketPool[self::$_activePool][self::$_activeNode]['client'];
break;
}
// check connection is open
try {
self::$_socketPool[self::$_activePool][self::$_activeNode]['transport']->open();
return $conn;
} catch (TException $te) {
if (++self::$_socketPool[self::$_activePool][self::$_activeNode]['retries'] > self::$_maxRetries) {
self::setLastFail();
unset(self::$_socketPool[self::$_activePool][self::$_activeNode]);
}
self::registerError(self::$_activePool . ':' . self::$_activeNode . ': Marked as DOWN, trying next in pool');
return self::getClient($writeMode);
}
}
/**
* get current working node, recursive, trims disconnected clients
*/
public static function getClient($writeMode = FALSE)
{
if (empty(self::$_activeNode)) {
throw new Exception('Not Connected');
}
$useMode = $writeMode ? self::$writeMode : self::$readMode;
switch ($useMode) {
case self::MODE_ROUND:
if (!current(self::$_nodeConns)) {
reset(self::$_nodeConns);
}
$curConn = each(self::$_nodeConns);
self::$_activeNode = $curConn['key'];
// store current working node
return self::$_nodeConns[self::$_activeNode]['client'];
break;
case self::MODE_RANDOM:
$randConn =& array_rand(self::$_nodeConns);
return self::$_nodeConns[$randConn]['client'];
break;
case self::MODE_ACTIVE:
default:
return self::$_nodeConns[self::$_activeNode]['client'];
break;
}
}