public function __construct($addr = '127.0.0.1', $port = 8305, $listenQueue = 512)
{
if (is_null(self::$_logger)) {
self::$_logger = \Zopt\Base\Logger::getLogger(__CLASS__);
}
if (!extension_loaded('libevent')) {
self::$_logger->crit('FATAL: Please firstly install libevent extension.');
die;
}
$this->_addr = $addr;
$this->_port = $port;
$this->_listenQueue = $listenQueue;
$this->_started = FALSE;
$this->_sock = NULL;
// Init the event machine using libevent c extension
$this->_listenEvent = NULL;
$this->_eventBase = event_base_new();
$this->_streams = array();
// Register signal handlers
$this->_signalEvents = array();
foreach (array(SIGTERM, SIGHUP, SIGINT, SIGQUIT) as $signo) {
$event = event_new();
event_set($event, $signo, EV_SIGNAL | EV_PERSIST, array($this, 'handleSignalEvent'), $signo);
event_base_set($event, $this->_eventBase);
event_add($event);
$this->_signalEvents[$signo] = $event;
}
}
/**
* new datastore client
*
* @param string $dsName The data store's name
* @param PDO[int] $shardDbs An associate array with id=>database PDO objects,
* and each PDO has "meta_table_of_table" table in it.
* @param CacheInterface $metaCache The cache for datastore metadata
*/
public function __construct($dsName, $shardDbs, $metaCache)
{
if (is_null(self::$_logger)) {
self::$_logger = \Zopt\Base\Logger::getLogger(__CLASS__);
}
// signatures etc.
$this->_dsName = $dsName;
// sort the shared dbs
ksort($shardDbs);
$this->_shardDbs = $shardDbs;
foreach ($this->_shardDbs as $key => $db) {
$db->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
// set to exception mode
}
// meta data cache
$this->_metaCache = $metaCache;
}
public function __construct($sock, $eventBase, &$name = NULL, $closeCallback = NULL)
{
if (is_null(self::$_logger)) {
self::$_logger = \Zopt\Base\Logger::getLogger(__CLASS__);
}
$this->_sock = $sock;
$this->_eventBase = $eventBase;
$name = is_null($name) ? SockUtil::getUniqueName($sock) : $name;
$this->_name = $name;
$this->_closeCallback = $closeCallback;
if (is_null($sock) || is_null($eventBase)) {
self::$_logger->warning("IOStream initialized with null socket {$sock} or event base {$eventBase}.");
$this->_closeCallback && call_user_func($this->_closeCallback, $this->_name);
return;
}
socket_set_nonblock($sock);
$this->_recvEvent = event_new();
event_set($this->_recvEvent, $this->_sock, EV_READ, array($this, '_handleRecvEvent'));
event_base_set($this->_recvEvent, $this->_eventBase);
$this->_sendEvent = event_new();
event_set($this->_sendEvent, $this->_sock, EV_WRITE, array($this, '_handleSendEvent'));
event_base_set($this->_sendEvent, $this->_eventBase);
}
