/**
* When no server is supplied, it should connect to localhost:4730.
*
* @return void
*/
public function testDefaultConnect()
{
$connection = Net_Gearman_Connection::connect();
$this->assertType('resource', $connection);
$this->assertEquals('socket', strtolower(get_resource_type($connection)));
$this->assertTrue(Net_Gearman_Connection::isConnected($connection));
Net_Gearman_Connection::close($connection);
}
/**
* Constructor
*
* @param array $servers An array of servers or a single server
* @param integer $timeout Timeout in microseconds
*
* @return void
* @throws Net_Gearman_Exception
* @see Net_Gearman_Connection
*/
public function __construct($servers, $timeout = 1000)
{
if (!is_array($servers) && strlen($servers)) {
$servers = array($servers);
} elseif (is_array($servers) && !count($servers)) {
throw new Net_Gearman_Exception('Invalid servers specified');
}
$this->servers = $servers;
foreach ($this->servers as $key => $server) {
$conn = Net_Gearman_Connection::connect($server, $timeout);
if (!Net_Gearman_Connection::isConnected($conn)) {
unset($this->servers[$key]);
continue;
}
$this->conn[] = $conn;
}
$this->timeout = $timeout;
}
/**
* Get a connection to a Gearman server
*
* @param string $uniq The unique id of the job
*
* @return resource A connection to a Gearman server
*/
protected function getConnection($uniq = null)
{
$conn = null;
$start = microtime(true);
$elapsed = 0;
$servers = $this->servers;
while ($conn === null && $elapsed < $this->timeout && count($servers)) {
if (count($servers) === 1) {
$key = key($servers);
} elseif ($uniq === null) {
$key = array_rand($servers);
} else {
$key = ord(substr(md5($uniq), -1)) % count($servers);
}
$server = $servers[$key];
if (empty($this->conn[$server])) {
$conn = null;
$start = microtime(true);
try {
$conn = Net_Gearman_Connection::connect($server, $this->timeout);
} catch (Net_Gearman_Exception $e) {
$conn = null;
}
if (!Net_Gearman_Connection::isConnected($conn)) {
$conn = null;
unset($servers[$key]);
// we need to rekey the array
$servers = array_values($servers);
} else {
$this->conn[$server] = $conn;
break;
}
} else {
$conn = $this->conn[$server];
}
$elapsed = microtime(true) - $start;
}
if (empty($conn)) {
throw new Net_Gearman_Exception("Failed to connect to any Gearman servers. Attempted " . implode(",", $this->servers));
}
return $conn;
}
/**
* Constructor
*
* @param array $servers An array of servers or a single server
* @param integer $timeout Timeout in microseconds
*
* @return void
* @throws Net_Gearman_Exception
* @see Net_Gearman_Connection
*/
public function __construct($servers = null, $timeout = 1000)
{
if (is_null($servers)) {
$servers = array("localhost");
} elseif (!is_array($servers) && strlen($servers)) {
$servers = array($servers);
} elseif (is_array($servers) && !count($servers)) {
throw new Net_Gearman_Exception('Invalid servers specified');
}
$this->servers = $servers;
foreach ($this->servers as $key => $server) {
$server = trim($server);
if (empty($server)) {
throw new Net_Gearman_Exception('Invalid servers specified');
}
try {
$conn = Net_Gearman_Connection::connect($server, $timeout);
} catch (Net_Gearman_Exception $e) {
unset($this->servers[$key]);
continue;
}
if (!Net_Gearman_Connection::isConnected($conn)) {
unset($this->servers[$key]);
continue;
}
$this->conn[] = $conn;
$this->serverConnections[(int) $conn] = $server;
}
if (empty($this->conn)) {
throw new Net_Gearman_Exception("Couldn't connect to any available servers");
}
$this->timeout = $timeout;
}
