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<?php |
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namespace PhpAmqpLib\Connection; |
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use PhpAmqpLib\Channel\AbstractChannel; |
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use PhpAmqpLib\Channel\AMQPChannel; |
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use PhpAmqpLib\Exception\AMQPConnectionClosedException; |
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use PhpAmqpLib\Exception\AMQPHeartbeatMissedException; |
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use PhpAmqpLib\Exception\AMQPInvalidFrameException; |
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use PhpAmqpLib\Exception\AMQPNoDataException; |
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use PhpAmqpLib\Exception\AMQPProtocolConnectionException; |
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use PhpAmqpLib\Exception\AMQPRuntimeException; |
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use PhpAmqpLib\Exception\AMQPTimeoutException; |
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use PhpAmqpLib\Wire\AMQPReader; |
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use PhpAmqpLib\Wire\AMQPTable; |
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use PhpAmqpLib\Wire\AMQPWriter; |
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use PhpAmqpLib\Wire\IO\AbstractIO; |
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class AbstractConnection extends AbstractChannel |
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{ |
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/** |
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* @var array |
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* @internal |
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*/ |
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public static $LIBRARY_PROPERTIES = array( |
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'product' => array('S', 'AMQPLib'), |
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'platform' => array('S', 'PHP'), |
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'version' => array('S', '2.9'), |
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'information' => array('S', ''), |
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'copyright' => array('S', ''), |
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'capabilities' => array( |
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'F', |
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array( |
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'authentication_failure_close' => array('t', true), |
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'publisher_confirms' => array('t', true), |
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'consumer_cancel_notify' => array('t', true), |
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'exchange_exchange_bindings' => array('t', true), |
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'basic.nack' => array('t', true), |
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'connection.blocked' => array('t', true) |
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) |
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) |
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); |
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/** |
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* @var AMQPChannel[] |
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* @internal |
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*/ |
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public $channels = array(); |
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/** @var int */ |
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protected $version_major; |
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/** @var int */ |
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protected $version_minor; |
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/** @var array */ |
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protected $server_properties; |
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/** @var array */ |
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protected $mechanisms; |
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/** @var array */ |
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protected $locales; |
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/** @var bool */ |
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protected $wait_tune_ok; |
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/** @var string */ |
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protected $known_hosts; |
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/** @var AMQPReader */ |
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protected $input; |
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/** @var string */ |
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protected $vhost; |
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/** @var bool */ |
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protected $insist; |
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/** @var string */ |
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protected $login_method; |
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/** @var string */ |
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protected $login_response; |
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/** @var string */ |
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protected $locale; |
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/** @var int */ |
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protected $heartbeat; |
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/** @var float */ |
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protected $last_frame; |
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/** @var int */ |
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protected $channel_max = 65535; |
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/** @var int */ |
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protected $frame_max = 131072; |
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/** @var array Constructor parameters for clone */ |
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protected $construct_params; |
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/** @var bool Close the connection in destructor */ |
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protected $close_on_destruct = true; |
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/** @var bool Maintain connection status */ |
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protected $is_connected = false; |
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/** @var \PhpAmqpLib\Wire\IO\AbstractIO */ |
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protected $io; |
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/** @var \PhpAmqpLib\Wire\AMQPReader */ |
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protected $wait_frame_reader; |
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/** @var callable Handles connection blocking from the server */ |
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private $connection_block_handler; |
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/** @var callable Handles connection unblocking from the server */ |
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private $connection_unblock_handler; |
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/** @var int Connection timeout value*/ |
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protected $connection_timeout ; |
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/** |
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* Circular buffer to speed up prepare_content(). |
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* Max size limited by $prepare_content_cache_max_size. |
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* |
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* @var array |
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* @see prepare_content() |
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*/ |
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private $prepare_content_cache = array(); |
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/** @var int Maximal size of $prepare_content_cache */ |
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private $prepare_content_cache_max_size = 100; |
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/** |
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* Maximum time to wait for channel operations, in seconds |
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* @var float $channel_rpc_timeout |
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*/ |
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private $channel_rpc_timeout; |
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/** |
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* @param string $user |
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* @param string $password |
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* @param string $vhost |
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* @param bool $insist |
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* @param string $login_method |
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* @param null $login_response |
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* @param string $locale |
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* @param AbstractIO $io |
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* @param int $heartbeat |
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* @param int $connection_timeout |
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* @param float $channel_rpc_timeout |
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* @throws \Exception |
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*/ |
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public function __construct( |
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$user, |
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$password, |
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$vhost = '/', |
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$insist = false, |
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$login_method = 'AMQPLAIN', |
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$login_response = null, |
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$locale = 'en_US', |
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AbstractIO $io, |
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$heartbeat = 60, |
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$connection_timeout = 0, |
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$channel_rpc_timeout = 0.0 |
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) { |
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// save the params for the use of __clone |
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$this->construct_params = func_get_args(); |
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$this->wait_frame_reader = new AMQPReader(null); |
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$this->vhost = $vhost; |
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$this->insist = $insist; |
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$this->login_method = $login_method; |
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$this->login_response = $login_response; |
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$this->locale = $locale; |
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$this->io = $io; |
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$this->heartbeat = $heartbeat; |
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$this->connection_timeout = $connection_timeout; |
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$this->channel_rpc_timeout = $channel_rpc_timeout; |
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if ($user && $password) { |
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$this->login_response = new AMQPWriter(); |
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$this->login_response->write_table(array( |
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'LOGIN' => array('S', $user), |
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'PASSWORD' => array('S', $password) |
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)); |
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// Skip the length |
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$responseValue = $this->login_response->getvalue(); |
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$this->login_response = mb_substr($responseValue, 4, mb_strlen($responseValue, 'ASCII') - 4, 'ASCII'); |
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} else { |
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$this->login_response = null; |
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} |
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// Lazy Connection waits on connecting |
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if ($this->connectOnConstruct()) { |
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$this->connect(); |
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} |
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} |
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/** |
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* Connects to the AMQP server |
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*/ |
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protected function connect() |
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{ |
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try { |
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// Loop until we connect |
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186 |
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while (!$this->isConnected()) { |
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// Assume we will connect, until we dont |
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$this->setIsConnected(true); |
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// Connect the socket |
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$this->io->connect(); |
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$this->channels = array(); |
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// The connection object itself is treated as channel 0 |
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parent::__construct($this, 0); |
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180 |
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$this->input = new AMQPReader(null, $this->io); |
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$this->write($this->amqp_protocol_header); |
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$this->wait(array($this->waitHelper->get_wait('connection.start')),false,$this->connection_timeout); |
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$this->x_start_ok( |
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$this->getLibraryProperties(), |
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$this->login_method, |
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$this->login_response, |
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180 |
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$this->locale |
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90 |
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); |
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233
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180 |
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$this->wait_tune_ok = true; |
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180 |
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while ($this->wait_tune_ok) { |
235
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180 |
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$this->wait(array( |
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180 |
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$this->waitHelper->get_wait('connection.secure'), |
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$this->waitHelper->get_wait('connection.tune') |
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)); |
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} |
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241
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$host = $this->x_open($this->vhost, '', $this->insist); |
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if (!$host) { |
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//Reconnected |
244
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180 |
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$this->io->reenableHeartbeat(); |
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return null; // we weren't redirected |
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} |
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248
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$this->setIsConnected(false); |
249
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$this->closeChannels(); |
250
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251
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// we were redirected, close the socket, loop and try again |
252
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$this->close_socket(); |
253
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} |
254
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255
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18 |
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} catch (\Exception $e) { |
256
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// Something went wrong, set the connection status |
257
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$this->setIsConnected(false); |
258
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$this->closeChannels(); |
259
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$this->close_input(); |
260
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$this->close_socket(); |
261
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throw $e; // Rethrow exception |
262
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} |
263
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24 |
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} |
264
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265
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/** |
266
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* Reconnects using the original connection settings. |
267
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* This will not recreate any channels that were established previously |
268
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*/ |
269
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36 |
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public function reconnect() |
270
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{ |
271
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// Try to close the AMQP connection |
272
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36 |
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$this->safeClose(); |
273
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// Reconnect the socket/stream then AMQP |
274
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36 |
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$this->io->close(); |
275
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36 |
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$this->setIsConnected(false); // getIO can initiate the connection setting via LazyConnection, set it here to be sure |
276
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36 |
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$this->connect(); |
277
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} |
278
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279
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/** |
280
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* Cloning will use the old properties to make a new connection to the same server |
281
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*/ |
282
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public function __clone() |
283
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{ |
284
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call_user_func_array(array($this, '__construct'), $this->construct_params); |
285
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} |
286
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287
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12 |
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public function __destruct() |
288
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{ |
289
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12 |
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if ($this->close_on_destruct) { |
290
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12 |
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$this->safeClose(); |
291
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6 |
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} |
292
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12 |
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} |
293
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294
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/** |
295
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* Attempts to close the connection safely |
296
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*/ |
297
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48 |
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protected function safeClose() |
298
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{ |
299
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try { |
300
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48 |
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if (isset($this->input) && $this->input) { |
301
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33 |
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$this->close(); |
302
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9 |
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} |
303
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24 |
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} catch (\Exception $e) { |
304
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// Nothing here |
305
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} |
306
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48 |
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} |
307
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308
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/** |
309
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* @param int $sec |
310
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* @param int $usec |
311
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* @return mixed |
312
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*/ |
313
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View Code Duplication |
public function select($sec, $usec = 0) |
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314
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{ |
315
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try { |
316
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return $this->io->select($sec, $usec); |
317
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} catch (AMQPConnectionClosedException $e) { |
318
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$this->do_close(); |
319
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throw $e; |
320
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} catch (AMQPRuntimeException $e) { |
321
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$this->setIsConnected(false); |
322
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throw $e; |
323
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} |
324
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} |
325
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326
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/** |
327
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* Allows to not close the connection |
328
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* it's useful after the fork when you don't want to close parent process connection |
329
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* |
330
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* @param bool $close |
331
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*/ |
332
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public function set_close_on_destruct($close = true) |
333
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{ |
334
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$this->close_on_destruct = (bool) $close; |
335
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} |
336
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337
|
150 |
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protected function close_input() |
338
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{ |
339
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150 |
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$this->debug && $this->debug->debug_msg('closing input'); |
340
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341
|
150 |
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if (!is_null($this->input)) { |
342
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144 |
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$this->input->close(); |
343
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144 |
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$this->input = null; |
344
|
72 |
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} |
345
|
150 |
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} |
346
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347
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150 |
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protected function close_socket() |
348
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{ |
349
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150 |
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$this->debug && $this->debug->debug_msg('closing socket'); |
350
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351
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150 |
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if ($this->io) { |
352
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150 |
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$this->io->close(); |
353
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75 |
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} |
354
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150 |
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} |
355
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356
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/** |
357
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* @param string $data |
358
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*/ |
359
|
180 |
View Code Duplication |
public function write($data) |
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360
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{ |
361
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180 |
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$this->debug->debug_hexdump($data); |
362
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363
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try { |
364
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180 |
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$this->io->write($data); |
365
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90 |
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} catch (AMQPConnectionClosedException $e) { |
366
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$this->do_close(); |
367
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throw $e; |
368
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} catch (AMQPRuntimeException $e) { |
369
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$this->setIsConnected(false); |
370
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throw $e; |
371
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} |
372
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180 |
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} |
373
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374
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144 |
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protected function do_close() |
375
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{ |
376
|
144 |
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$this->setIsConnected(false); |
377
|
144 |
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$this->close_input(); |
378
|
144 |
|
$this->close_socket(); |
379
|
144 |
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} |
380
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381
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/** |
382
|
|
|
* @return int |
383
|
|
|
* @throws \PhpAmqpLib\Exception\AMQPRuntimeException |
384
|
|
|
*/ |
385
|
174 |
|
public function get_free_channel_id() |
386
|
|
|
{ |
387
|
174 |
|
for ($i = 1; $i <= $this->channel_max; $i++) { |
388
|
174 |
|
if (!isset($this->channels[$i])) { |
389
|
174 |
|
return $i; |
390
|
|
|
} |
391
|
9 |
|
} |
392
|
|
|
|
393
|
|
|
throw new AMQPRuntimeException('No free channel ids'); |
394
|
|
|
} |
395
|
|
|
|
396
|
|
|
/** |
397
|
|
|
* @param string $channel |
398
|
|
|
* @param int $class_id |
399
|
|
|
* @param int $weight |
400
|
|
|
* @param int $body_size |
401
|
|
|
* @param string $packed_properties |
402
|
|
|
* @param string $body |
403
|
|
|
* @param AMQPWriter $pkt |
404
|
|
|
*/ |
405
|
66 |
|
public function send_content($channel, $class_id, $weight, $body_size, $packed_properties, $body, $pkt = null) |
406
|
|
|
{ |
407
|
66 |
|
$this->prepare_content($channel, $class_id, $weight, $body_size, $packed_properties, $body, $pkt); |
408
|
66 |
|
$this->write($pkt->getvalue()); |
|
|
|
|
409
|
66 |
|
} |
410
|
|
|
|
411
|
|
|
/** |
412
|
|
|
* Returns a new AMQPWriter or mutates the provided $pkt |
413
|
|
|
* |
414
|
|
|
* @param string $channel |
415
|
|
|
* @param int $class_id |
416
|
|
|
* @param int $weight |
417
|
|
|
* @param int $body_size |
418
|
|
|
* @param string $packed_properties |
419
|
|
|
* @param string $body |
420
|
|
|
* @param AMQPWriter $pkt |
421
|
|
|
* @return AMQPWriter |
422
|
|
|
*/ |
423
|
66 |
|
public function prepare_content($channel, $class_id, $weight, $body_size, $packed_properties, $body, $pkt = null) |
424
|
|
|
{ |
425
|
66 |
|
$pkt = $pkt ?: new AMQPWriter(); |
426
|
|
|
|
427
|
|
|
// Content already prepared ? |
428
|
66 |
|
$key_cache = sprintf( |
429
|
66 |
|
'%s|%s|%s|%s', |
430
|
55 |
|
$channel, |
431
|
55 |
|
$packed_properties, |
432
|
55 |
|
$class_id, |
433
|
22 |
|
$weight |
434
|
33 |
|
); |
435
|
|
|
|
436
|
66 |
|
if (!isset($this->prepare_content_cache[$key_cache])) { |
437
|
66 |
|
$w = new AMQPWriter(); |
438
|
66 |
|
$w->write_octet(2); |
439
|
66 |
|
$w->write_short($channel); |
440
|
66 |
|
$w->write_long(mb_strlen($packed_properties, 'ASCII') + 12); |
441
|
66 |
|
$w->write_short($class_id); |
442
|
66 |
|
$w->write_short($weight); |
443
|
66 |
|
$this->prepare_content_cache[$key_cache] = $w->getvalue(); |
444
|
66 |
|
if (count($this->prepare_content_cache) > $this->prepare_content_cache_max_size) { |
445
|
|
|
reset($this->prepare_content_cache); |
446
|
|
|
$old_key = key($this->prepare_content_cache); |
447
|
|
|
unset($this->prepare_content_cache[$old_key]); |
448
|
|
|
} |
449
|
33 |
|
} |
450
|
66 |
|
$pkt->write($this->prepare_content_cache[$key_cache]); |
451
|
|
|
|
452
|
66 |
|
$pkt->write_longlong($body_size); |
453
|
66 |
|
$pkt->write($packed_properties); |
454
|
|
|
|
455
|
66 |
|
$pkt->write_octet(0xCE); |
456
|
|
|
|
457
|
|
|
|
458
|
|
|
// memory efficiency: walk the string instead of biting |
459
|
|
|
// it. good for very large packets (close in size to |
460
|
|
|
// memory_limit setting) |
461
|
66 |
|
$position = 0; |
462
|
66 |
|
$bodyLength = mb_strlen($body,'ASCII'); |
463
|
66 |
|
while ($position < $bodyLength) { |
464
|
60 |
|
$payload = mb_substr($body, $position, $this->frame_max - 8, 'ASCII'); |
465
|
60 |
|
$position += $this->frame_max - 8; |
466
|
|
|
|
467
|
60 |
|
$pkt->write_octet(3); |
468
|
60 |
|
$pkt->write_short($channel); |
469
|
60 |
|
$pkt->write_long(mb_strlen($payload, 'ASCII')); |
470
|
|
|
|
471
|
60 |
|
$pkt->write($payload); |
472
|
|
|
|
473
|
60 |
|
$pkt->write_octet(0xCE); |
474
|
30 |
|
} |
475
|
|
|
|
476
|
66 |
|
return $pkt; |
477
|
|
|
} |
478
|
|
|
|
479
|
|
|
/** |
480
|
|
|
* @param string $channel |
481
|
|
|
* @param array $method_sig |
482
|
|
|
* @param AMQPWriter|string $args |
483
|
|
|
* @param null $pkt |
484
|
|
|
*/ |
485
|
180 |
|
protected function send_channel_method_frame($channel, $method_sig, $args = '', $pkt = null) |
486
|
|
|
{ |
487
|
180 |
|
$pkt = $this->prepare_channel_method_frame($channel, $method_sig, $args, $pkt); |
488
|
180 |
|
$this->write($pkt->getvalue()); |
489
|
180 |
|
$this->debug->debug_method_signature1($method_sig); |
|
|
|
|
490
|
180 |
|
} |
491
|
|
|
|
492
|
|
|
/** |
493
|
|
|
* Returns a new AMQPWriter or mutates the provided $pkt |
494
|
|
|
* |
495
|
|
|
* @param string $channel |
496
|
|
|
* @param array $method_sig |
497
|
|
|
* @param AMQPWriter|string $args |
498
|
|
|
* @param AMQPWriter $pkt |
499
|
|
|
* @return AMQPWriter |
500
|
|
|
*/ |
501
|
180 |
|
protected function prepare_channel_method_frame($channel, $method_sig, $args = '', $pkt = null) |
502
|
|
|
{ |
503
|
180 |
|
if ($args instanceof AMQPWriter) { |
504
|
180 |
|
$args = $args->getvalue(); |
505
|
90 |
|
} |
506
|
|
|
|
507
|
180 |
|
$pkt = $pkt ?: new AMQPWriter(); |
508
|
|
|
|
509
|
180 |
|
$pkt->write_octet(1); |
510
|
180 |
|
$pkt->write_short($channel); |
511
|
180 |
|
$pkt->write_long(mb_strlen($args, 'ASCII') + 4); // 4 = length of class_id and method_id |
512
|
|
|
// in payload |
513
|
|
|
|
514
|
180 |
|
$pkt->write_short($method_sig[0]); // class_id |
515
|
180 |
|
$pkt->write_short($method_sig[1]); // method_id |
516
|
180 |
|
$pkt->write($args); |
517
|
|
|
|
518
|
180 |
|
$pkt->write_octet(0xCE); |
519
|
|
|
|
520
|
180 |
|
$this->debug->debug_method_signature1($method_sig); |
|
|
|
|
521
|
|
|
|
522
|
180 |
|
return $pkt; |
523
|
|
|
} |
524
|
|
|
|
525
|
|
|
/** |
526
|
|
|
* Waits for a frame from the server |
527
|
|
|
* |
528
|
|
|
* @param int|float|null $timeout |
529
|
|
|
* @return array |
530
|
|
|
* @throws \Exception |
531
|
|
|
* @throws \PhpAmqpLib\Exception\AMQPTimeoutException |
532
|
|
|
* @throws \PhpAmqpLib\Exception\AMQPRuntimeException |
533
|
|
|
*/ |
534
|
180 |
|
protected function wait_frame($timeout = 0) |
535
|
|
|
{ |
536
|
180 |
|
if (is_null($this->input)) |
537
|
90 |
|
{ |
538
|
|
|
$this->setIsConnected(false); |
539
|
|
|
throw new AMQPConnectionClosedException('Broken pipe or closed connection'); |
540
|
|
|
} |
541
|
|
|
|
542
|
180 |
|
$currentTimeout = $this->input->getTimeout(); |
543
|
180 |
|
$this->input->setTimeout($timeout); |
544
|
|
|
|
545
|
|
|
try { |
546
|
|
|
// frame_type + channel_id + size |
547
|
180 |
|
$this->wait_frame_reader->reuse( |
548
|
180 |
|
$this->input->read(AMQPReader::OCTET + AMQPReader::SHORT + AMQPReader::LONG) |
549
|
90 |
|
); |
550
|
|
|
|
551
|
180 |
|
$frame_type = $this->wait_frame_reader->read_octet(); |
552
|
180 |
|
$class = self::$PROTOCOL_CONSTANTS_CLASS; |
|
|
|
|
553
|
180 |
|
if (!array_key_exists($frame_type, $class::$FRAME_TYPES)) { |
554
|
|
|
throw new AMQPInvalidFrameException('Invalid frame type ' . $frame_type); |
555
|
|
|
} |
556
|
180 |
|
$channel = $this->wait_frame_reader->read_short(); |
557
|
180 |
|
$size = $this->wait_frame_reader->read_long(); |
558
|
|
|
|
559
|
|
|
// payload + ch |
560
|
180 |
|
$this->wait_frame_reader->reuse($this->input->read(AMQPReader::OCTET + (int) $size)); |
561
|
|
|
|
562
|
180 |
|
$payload = $this->wait_frame_reader->read($size); |
563
|
180 |
|
$ch = $this->wait_frame_reader->read_octet(); |
564
|
|
|
|
565
|
130 |
|
} catch (AMQPTimeoutException $e) { |
566
|
30 |
|
$this->input->setTimeout($currentTimeout); |
567
|
30 |
|
throw $e; |
568
|
50 |
|
} catch (AMQPNoDataException $e) { |
569
|
50 |
|
if ($this->input) { |
570
|
50 |
|
$this->input->setTimeout($currentTimeout); |
571
|
25 |
|
} |
572
|
50 |
|
throw $e; |
573
|
|
|
} catch (AMQPConnectionClosedException $exception) { |
574
|
|
|
$this->do_close(); |
575
|
|
|
throw $exception; |
576
|
|
|
} |
577
|
|
|
|
578
|
180 |
|
$this->input->setTimeout($currentTimeout); |
579
|
|
|
|
580
|
180 |
|
if ($ch != 0xCE) { |
581
|
|
|
throw new AMQPInvalidFrameException(sprintf( |
582
|
|
|
'Framing error, unexpected byte: %x', |
583
|
|
|
$ch |
584
|
|
|
)); |
585
|
|
|
} |
586
|
|
|
|
587
|
180 |
|
return array($frame_type, $channel, $payload); |
588
|
|
|
} |
589
|
|
|
|
590
|
|
|
/** |
591
|
|
|
* Waits for a frame from the server destined for a particular channel. |
592
|
|
|
* |
593
|
|
|
* @param string $channel_id |
594
|
|
|
* @param int|float|null $timeout |
595
|
|
|
* @return array |
596
|
|
|
*/ |
597
|
180 |
|
protected function wait_channel($channel_id, $timeout = 0) |
598
|
|
|
{ |
599
|
|
|
// Keeping the original timeout unchanged. |
600
|
180 |
|
$_timeout = $timeout; |
601
|
180 |
|
while (true) { |
602
|
180 |
|
$now = time(); |
603
|
|
|
try { |
604
|
180 |
|
list($frame_type, $frame_channel, $payload) = $this->wait_frame($_timeout); |
605
|
130 |
|
} catch (AMQPTimeoutException $e) { |
606
|
30 |
|
if ( $this->heartbeat && microtime(true) - ($this->heartbeat*2) > $this->last_frame ) { |
607
|
|
|
$this->debug->debug_msg("missed server heartbeat (at threshold * 2)"); |
608
|
|
|
$this->setIsConnected(false); |
609
|
|
|
throw new AMQPHeartbeatMissedException("Missed server heartbeat"); |
610
|
|
|
} |
611
|
|
|
|
612
|
30 |
|
throw $e; |
613
|
|
|
} |
614
|
|
|
|
615
|
180 |
|
$this->last_frame = microtime(true); |
616
|
|
|
|
617
|
180 |
|
if ($frame_channel === 0 && $frame_type === 8) { |
618
|
|
|
// skip heartbeat frames and reduce the timeout by the time passed |
619
|
|
|
$this->debug->debug_msg("received server heartbeat"); |
620
|
|
|
if($_timeout > 0) { |
621
|
|
|
$_timeout -= time() - $now; |
622
|
|
|
if($_timeout <= 0) { |
623
|
|
|
// If timeout has been reached, throw the exception without calling wait_frame |
624
|
|
|
throw new AMQPTimeoutException("Timeout waiting on channel"); |
625
|
|
|
} |
626
|
|
|
} |
627
|
|
|
continue; |
628
|
|
|
|
629
|
|
|
} else { |
630
|
|
|
|
631
|
180 |
|
if ($frame_channel == $channel_id) { |
632
|
180 |
|
return array($frame_type, $payload); |
633
|
|
|
} |
634
|
|
|
|
635
|
|
|
// Not the channel we were looking for. Queue this frame |
636
|
|
|
//for later, when the other channel is looking for frames. |
637
|
|
|
// Make sure the channel still exists, it could have been |
638
|
|
|
// closed by a previous Exception. |
639
|
6 |
|
if (isset($this->channels[$frame_channel])) { |
640
|
6 |
|
array_push($this->channels[$frame_channel]->frame_queue, array($frame_type, $payload)); |
|
|
|
|
641
|
3 |
|
} |
642
|
|
|
|
643
|
|
|
// If we just queued up a method for channel 0 (the Connection |
644
|
|
|
// itself) it's probably a close method in reaction to some |
645
|
|
|
// error, so deal with it right away. |
646
|
6 |
|
if (($frame_type == 1) && ($frame_channel == 0)) { |
647
|
|
|
$this->wait(); |
648
|
|
|
} |
649
|
|
|
} |
650
|
3 |
|
} |
651
|
|
|
} |
652
|
|
|
|
653
|
|
|
/** |
654
|
|
|
* Fetches a channel object identified by the numeric channel_id, or |
655
|
|
|
* create that object if it doesn't already exist. |
656
|
|
|
* |
657
|
|
|
* @param int $channel_id |
658
|
|
|
* @return AMQPChannel |
659
|
|
|
*/ |
660
|
174 |
|
public function channel($channel_id = null) |
661
|
|
|
{ |
662
|
174 |
|
if (isset($this->channels[$channel_id])) { |
663
|
|
|
return $this->channels[$channel_id]; |
664
|
|
|
} |
665
|
|
|
|
666
|
174 |
|
$channel_id = $channel_id ? $channel_id : $this->get_free_channel_id(); |
667
|
174 |
|
$ch = new AMQPChannel($this->connection, $channel_id, true, $this->channel_rpc_timeout); |
668
|
174 |
|
$this->channels[$channel_id] = $ch; |
669
|
|
|
|
670
|
174 |
|
return $ch; |
671
|
|
|
} |
672
|
|
|
|
673
|
|
|
/** |
674
|
|
|
* Requests a connection close |
675
|
|
|
* |
676
|
|
|
* @param int $reply_code |
677
|
|
|
* @param string $reply_text |
678
|
|
|
* @param array $method_sig |
679
|
|
|
* @return mixed|null |
680
|
|
|
*/ |
681
|
144 |
|
public function close($reply_code = 0, $reply_text = '', $method_sig = array(0, 0)) |
682
|
|
|
{ |
683
|
144 |
|
$result = null; |
684
|
144 |
|
$this->io->disableHeartbeat(); |
685
|
144 |
|
if (empty($this->protocolWriter) || !$this->isConnected()) { |
686
|
18 |
|
return $result; |
687
|
|
|
} |
688
|
|
|
|
689
|
|
|
try { |
690
|
144 |
|
$this->closeChannels(); |
691
|
144 |
|
list($class_id, $method_id, $args) = $this->protocolWriter->connectionClose( |
692
|
144 |
|
$reply_code, |
693
|
120 |
|
$reply_text, |
694
|
144 |
|
$method_sig[0], |
695
|
144 |
|
$method_sig[1] |
696
|
72 |
|
); |
697
|
144 |
|
$this->send_method_frame(array($class_id, $method_id), $args); |
698
|
144 |
|
$result = $this->wait( |
699
|
144 |
|
array($this->waitHelper->get_wait('connection.close_ok')), |
700
|
144 |
|
false, |
701
|
144 |
|
$this->connection_timeout |
702
|
72 |
|
); |
703
|
72 |
|
} catch (\Exception $exception) { |
704
|
|
|
$this->do_close(); |
705
|
|
|
throw $exception; |
706
|
|
|
} |
707
|
|
|
|
708
|
144 |
|
$this->setIsConnected(false); |
709
|
|
|
|
710
|
144 |
|
return $result; |
711
|
|
|
} |
712
|
|
|
|
713
|
|
|
/** |
714
|
|
|
* @param AMQPReader $reader |
715
|
|
|
* @throws \PhpAmqpLib\Exception\AMQPProtocolConnectionException |
716
|
|
|
*/ |
717
|
|
|
protected function connection_close(AMQPReader $reader) |
718
|
|
|
{ |
719
|
|
|
$reply_code = $reader->read_short(); |
720
|
|
|
$reply_text = $reader->read_shortstr(); |
721
|
|
|
$class_id = $reader->read_short(); |
722
|
|
|
$method_id = $reader->read_short(); |
723
|
|
|
|
724
|
|
|
$this->x_close_ok(); |
725
|
|
|
|
726
|
|
|
throw new AMQPProtocolConnectionException($reply_code, $reply_text, array($class_id, $method_id)); |
727
|
|
|
} |
728
|
|
|
|
729
|
|
|
/** |
730
|
|
|
* Confirms a connection close |
731
|
|
|
*/ |
732
|
|
|
protected function x_close_ok() |
733
|
|
|
{ |
734
|
|
|
$this->send_method_frame( |
735
|
|
|
explode(',', $this->waitHelper->get_wait('connection.close_ok')) |
736
|
|
|
); |
737
|
|
|
$this->do_close(); |
738
|
|
|
} |
739
|
|
|
|
740
|
|
|
/** |
741
|
|
|
* Confirm a connection close |
742
|
|
|
* |
743
|
|
|
* @param AMQPReader $args |
744
|
|
|
*/ |
745
|
144 |
|
protected function connection_close_ok($args) |
|
|
|
|
746
|
|
|
{ |
747
|
144 |
|
$this->do_close(); |
748
|
144 |
|
} |
749
|
|
|
|
750
|
|
|
/** |
751
|
|
|
* @param string $virtual_host |
752
|
|
|
* @param string $capabilities |
753
|
|
|
* @param bool $insist |
754
|
|
|
* @return mixed |
755
|
|
|
*/ |
756
|
180 |
|
protected function x_open($virtual_host, $capabilities = '', $insist = false) |
757
|
|
|
{ |
758
|
180 |
|
$args = new AMQPWriter(); |
759
|
180 |
|
$args->write_shortstr($virtual_host); |
760
|
180 |
|
$args->write_shortstr($capabilities); |
761
|
180 |
|
$args->write_bits(array($insist)); |
762
|
180 |
|
$this->send_method_frame(array(10, 40), $args); |
763
|
|
|
|
764
|
|
|
$wait = array( |
765
|
180 |
|
$this->waitHelper->get_wait('connection.open_ok') |
766
|
90 |
|
); |
767
|
|
|
|
768
|
180 |
|
if ($this->protocolVersion == '0.8') { |
769
|
|
|
$wait[] = $this->waitHelper->get_wait('connection.redirect'); |
770
|
|
|
} |
771
|
|
|
|
772
|
180 |
|
return $this->wait($wait); |
773
|
|
|
} |
774
|
|
|
|
775
|
|
|
/** |
776
|
|
|
* Signals that the connection is ready |
777
|
|
|
* |
778
|
|
|
* @param AMQPReader $args |
779
|
|
|
*/ |
780
|
180 |
|
protected function connection_open_ok($args) |
781
|
|
|
{ |
782
|
180 |
|
$this->known_hosts = $args->read_shortstr(); |
783
|
180 |
|
$this->debug->debug_msg('Open OK! known_hosts: ' . $this->known_hosts); |
784
|
180 |
|
} |
785
|
|
|
|
786
|
|
|
/** |
787
|
|
|
* Asks the client to use a different server |
788
|
|
|
* |
789
|
|
|
* @param AMQPReader $args |
790
|
|
|
* @return string |
791
|
|
|
*/ |
792
|
|
|
protected function connection_redirect($args) |
793
|
|
|
{ |
794
|
|
|
$host = $args->read_shortstr(); |
795
|
|
|
$this->known_hosts = $args->read_shortstr(); |
796
|
|
|
$this->debug->debug_msg(sprintf( |
797
|
|
|
'Redirected to [%s], known_hosts [%s]', |
798
|
|
|
$host, |
799
|
|
|
$this->known_hosts |
800
|
|
|
)); |
801
|
|
|
|
802
|
|
|
return $host; |
803
|
|
|
} |
804
|
|
|
|
805
|
|
|
/** |
806
|
|
|
* Security mechanism challenge |
807
|
|
|
* |
808
|
|
|
* @param AMQPReader $args |
809
|
|
|
*/ |
810
|
|
|
protected function connection_secure($args) |
811
|
|
|
{ |
812
|
|
|
$challenge = $args->read_longstr(); |
|
|
|
|
813
|
|
|
} |
814
|
|
|
|
815
|
|
|
/** |
816
|
|
|
* Security mechanism response |
817
|
|
|
* |
818
|
|
|
* @param string $response |
819
|
|
|
*/ |
820
|
|
|
protected function x_secure_ok($response) |
821
|
|
|
{ |
822
|
|
|
$args = new AMQPWriter(); |
823
|
|
|
$args->write_longstr($response); |
824
|
|
|
$this->send_method_frame(array(10, 21), $args); |
825
|
|
|
} |
826
|
|
|
|
827
|
|
|
/** |
828
|
|
|
* Starts connection negotiation |
829
|
|
|
* |
830
|
|
|
* @param AMQPReader $args |
831
|
|
|
*/ |
832
|
180 |
|
protected function connection_start($args) |
833
|
|
|
{ |
834
|
180 |
|
$this->version_major = $args->read_octet(); |
835
|
180 |
|
$this->version_minor = $args->read_octet(); |
836
|
180 |
|
$this->server_properties = $args->read_table(); |
|
|
|
|
837
|
180 |
|
$this->mechanisms = explode(' ', $args->read_longstr()); |
838
|
180 |
|
$this->locales = explode(' ', $args->read_longstr()); |
839
|
|
|
|
840
|
180 |
|
$this->debug->debug_connection_start( |
841
|
180 |
|
$this->version_major, |
842
|
180 |
|
$this->version_minor, |
843
|
180 |
|
$this->server_properties, |
|
|
|
|
844
|
180 |
|
$this->mechanisms, |
845
|
180 |
|
$this->locales |
846
|
90 |
|
); |
847
|
180 |
|
} |
848
|
|
|
|
849
|
|
|
/** |
850
|
|
|
* @param AMQPTable|array $clientProperties |
851
|
|
|
* @param string $mechanism |
852
|
|
|
* @param string $response |
853
|
|
|
* @param string $locale |
854
|
|
|
*/ |
855
|
180 |
|
protected function x_start_ok($clientProperties, $mechanism, $response, $locale) |
856
|
|
|
{ |
857
|
180 |
|
$args = new AMQPWriter(); |
858
|
180 |
|
$args->write_table($clientProperties); |
859
|
180 |
|
$args->write_shortstr($mechanism); |
860
|
180 |
|
$args->write_longstr($response); |
861
|
180 |
|
$args->write_shortstr($locale); |
862
|
180 |
|
$this->send_method_frame(array(10, 11), $args); |
863
|
180 |
|
} |
864
|
|
|
|
865
|
|
|
/** |
866
|
|
|
* Proposes connection tuning parameters |
867
|
|
|
* |
868
|
|
|
* @param AMQPReader $args |
869
|
|
|
*/ |
870
|
180 |
|
protected function connection_tune($args) |
871
|
|
|
{ |
872
|
180 |
|
$v = $args->read_short(); |
873
|
180 |
|
if ($v) { |
874
|
|
|
$this->channel_max = $v; |
875
|
|
|
} |
876
|
|
|
|
877
|
180 |
|
$v = $args->read_long(); |
878
|
180 |
|
if ($v) { |
879
|
180 |
|
$this->frame_max = $v; |
|
|
|
|
880
|
90 |
|
} |
881
|
|
|
|
882
|
|
|
// use server proposed value if not set |
883
|
180 |
|
if ($this->heartbeat === null) { |
884
|
|
|
$this->heartbeat = $args->read_short(); |
885
|
|
|
} |
886
|
|
|
|
887
|
180 |
|
$this->x_tune_ok($this->channel_max, $this->frame_max, $this->heartbeat); |
888
|
180 |
|
} |
889
|
|
|
|
890
|
|
|
/** |
891
|
|
|
* Negotiates connection tuning parameters |
892
|
|
|
* |
893
|
|
|
* @param int $channel_max |
894
|
|
|
* @param int $frame_max |
895
|
|
|
* @param int $heartbeat |
896
|
|
|
*/ |
897
|
180 |
|
protected function x_tune_ok($channel_max, $frame_max, $heartbeat) |
898
|
|
|
{ |
899
|
180 |
|
$args = new AMQPWriter(); |
900
|
180 |
|
$args->write_short($channel_max); |
901
|
180 |
|
$args->write_long($frame_max); |
902
|
180 |
|
$args->write_short($heartbeat); |
903
|
180 |
|
$this->send_method_frame(array(10, 31), $args); |
904
|
180 |
|
$this->wait_tune_ok = false; |
905
|
180 |
|
} |
906
|
|
|
|
907
|
|
|
/** |
908
|
|
|
* @return resource |
909
|
|
|
* @deprecated No direct access to communication socket should be available. |
910
|
|
|
*/ |
911
|
|
|
public function getSocket() |
912
|
|
|
{ |
913
|
|
|
return $this->io->getSocket(); |
914
|
|
|
} |
915
|
|
|
|
916
|
|
|
/** |
917
|
|
|
* @return \PhpAmqpLib\Wire\IO\AbstractIO |
918
|
|
|
* @deprecated |
919
|
|
|
*/ |
920
|
|
|
public function getIO() |
921
|
|
|
{ |
922
|
|
|
return $this->io; |
923
|
|
|
} |
924
|
|
|
|
925
|
|
|
/** |
926
|
|
|
* Handles connection blocked notifications |
927
|
|
|
* |
928
|
|
|
* @param AMQPReader $args |
929
|
|
|
*/ |
930
|
|
|
protected function connection_blocked(AMQPReader $args) |
931
|
|
|
{ |
932
|
|
|
// Call the block handler and pass in the reason |
933
|
|
|
$this->dispatch_to_handler($this->connection_block_handler, array($args->read_shortstr())); |
934
|
|
|
} |
935
|
|
|
|
936
|
|
|
/** |
937
|
|
|
* Handles connection unblocked notifications |
938
|
|
|
* |
939
|
|
|
* @param AMQPReader $args |
940
|
|
|
*/ |
941
|
|
|
protected function connection_unblocked(AMQPReader $args) |
|
|
|
|
942
|
|
|
{ |
943
|
|
|
// No args to an unblock event |
944
|
|
|
$this->dispatch_to_handler($this->connection_unblock_handler, array()); |
945
|
|
|
} |
946
|
|
|
|
947
|
|
|
/** |
948
|
|
|
* Sets a handler which is called whenever a connection.block is sent from the server |
949
|
|
|
* |
950
|
|
|
* @param callable $callback |
951
|
|
|
*/ |
952
|
|
|
public function set_connection_block_handler($callback) |
953
|
|
|
{ |
954
|
|
|
$this->connection_block_handler = $callback; |
955
|
|
|
} |
956
|
|
|
|
957
|
|
|
/** |
958
|
|
|
* Sets a handler which is called whenever a connection.block is sent from the server |
959
|
|
|
* |
960
|
|
|
* @param callable $callback |
961
|
|
|
*/ |
962
|
|
|
public function set_connection_unblock_handler($callback) |
963
|
|
|
{ |
964
|
|
|
$this->connection_unblock_handler = $callback; |
965
|
|
|
} |
966
|
|
|
|
967
|
|
|
/** |
968
|
|
|
* Gets the connection status |
969
|
|
|
* |
970
|
|
|
* @return bool |
971
|
|
|
*/ |
972
|
186 |
|
public function isConnected() |
973
|
|
|
{ |
974
|
186 |
|
return (bool) $this->is_connected; |
975
|
|
|
} |
976
|
|
|
|
977
|
|
|
/** |
978
|
|
|
* Set the connection status |
979
|
|
|
* |
980
|
|
|
* @param bool $is_connected |
981
|
|
|
*/ |
982
|
186 |
|
protected function setIsConnected($is_connected) |
983
|
|
|
{ |
984
|
186 |
|
$this->is_connected = (bool) $is_connected; |
985
|
186 |
|
} |
986
|
|
|
|
987
|
|
|
/** |
988
|
|
|
* Closes all available channels |
989
|
|
|
*/ |
990
|
150 |
|
protected function closeChannels() |
991
|
|
|
{ |
992
|
150 |
|
foreach ($this->channels as $key => $channel) { |
993
|
|
|
// channels[0] is this connection object, so don't close it yet |
994
|
144 |
|
if ($key === 0) { |
995
|
144 |
|
continue; |
996
|
|
|
} |
997
|
|
|
try { |
998
|
42 |
|
$channel->close(); |
999
|
28 |
|
} catch (\Exception $e) { |
1000
|
|
|
/* Ignore closing errors */ |
1001
|
|
|
} |
1002
|
75 |
|
} |
1003
|
150 |
|
} |
1004
|
|
|
|
1005
|
|
|
/** |
1006
|
|
|
* Should the connection be attempted during construction? |
1007
|
|
|
* |
1008
|
|
|
* @return bool |
1009
|
|
|
*/ |
1010
|
162 |
|
public function connectOnConstruct() |
1011
|
|
|
{ |
1012
|
162 |
|
return true; |
1013
|
|
|
} |
1014
|
|
|
|
1015
|
|
|
/** |
1016
|
|
|
* @return array |
1017
|
|
|
*/ |
1018
|
|
|
public function getServerProperties() |
1019
|
|
|
{ |
1020
|
|
|
return $this->server_properties; |
1021
|
|
|
} |
1022
|
|
|
|
1023
|
|
|
/** |
1024
|
|
|
* Get the library properties for populating the client protocol information |
1025
|
|
|
* |
1026
|
|
|
* @return array |
1027
|
|
|
*/ |
1028
|
192 |
|
public function getLibraryProperties() |
1029
|
|
|
{ |
1030
|
192 |
|
return self::$LIBRARY_PROPERTIES; |
1031
|
|
|
} |
1032
|
|
|
|
1033
|
|
|
public static function create_connection($hosts, $options = array()){ |
1034
|
|
|
$latest_exception = null; |
1035
|
|
|
for($i = 0; $i < count($hosts); $i++) { |
|
|
|
|
1036
|
|
|
AbstractConnection::validate_host($hosts[$i]); |
1037
|
|
|
$host = $hosts[$i]['host']; |
1038
|
|
|
$port = $hosts[$i]['port']; |
1039
|
|
|
$user = $hosts[$i]['user']; |
1040
|
|
|
$password = $hosts[$i]['password']; |
1041
|
|
|
$vhost = isset($hosts[$i]['vhost']) ? $hosts[$i]['vhost'] : "/"; |
1042
|
|
|
try { |
1043
|
|
|
$conn = static::try_create_connection($host, $port, $user, $password, $vhost, $options); |
|
|
|
|
1044
|
|
|
return $conn; |
1045
|
|
|
} catch (\Exception $e) { |
1046
|
|
|
$latest_exception = $e; |
1047
|
|
|
} |
1048
|
|
|
} |
1049
|
|
|
throw $latest_exception; |
1050
|
|
|
} |
1051
|
|
|
|
1052
|
|
|
public static function validate_host($host) { |
1053
|
|
|
if(!isset($host['host'])){ |
1054
|
|
|
throw new \InvalidArgumentException("'host' key is required."); |
1055
|
|
|
} |
1056
|
|
|
if(!isset($host['port'])){ |
1057
|
|
|
throw new \InvalidArgumentException("'port' key is required."); |
1058
|
|
|
} |
1059
|
|
|
if(!isset($host['user'])){ |
1060
|
|
|
throw new \InvalidArgumentException("'user' key is required."); |
1061
|
|
|
} |
1062
|
|
|
if(!isset($host['password'])){ |
1063
|
|
|
throw new \InvalidArgumentException("'password' key is required."); |
1064
|
|
|
} |
1065
|
|
|
} |
1066
|
|
|
} |
1067
|
|
|
|
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..