/**
* Sets up the stream connection
*
* @throws PhpAmqpLib_Exception_AMQPRuntimeException
* @throws Exception
*/
public function connect()
{
$errstr = $errno = null;
$remote = sprintf('%s://%s:%s', $this->protocol, $this->host, $this->port);
set_error_handler(array($this, 'error_handler'));
$this->sock = stream_socket_client($remote, $errno, $errstr, $this->connection_timeout, STREAM_CLIENT_CONNECT, $this->context);
restore_error_handler();
if (false === $this->sock) {
throw new PhpAmqpLib_Exception_AMQPRuntimeException(sprintf('Error Connecting to server(%s): %s ', $errno, $errstr), $errno);
}
if (false === stream_socket_get_name($this->sock, true)) {
throw new PhpAmqpLib_Exception_AMQPRuntimeException(sprintf('Connection refused: %s ', $remote));
}
list($sec, $uSec) = PhpAmqpLib_Helper_MiscHelper::splitSecondsMicroseconds($this->read_write_timeout);
if (!stream_set_timeout($this->sock, $sec, $uSec)) {
throw new PhpAmqpLib_Exception_AMQPIOException('Timeout could not be set');
}
// php cannot capture signals while streams are blocking
if ($this->canDispatchPcntlSignal) {
stream_set_blocking($this->sock, 0);
stream_set_write_buffer($this->sock, 0);
if (function_exists('stream_set_read_buffer')) {
stream_set_read_buffer($this->sock, 0);
}
} else {
stream_set_blocking($this->sock, 1);
}
if ($this->keepalive) {
$this->enable_keepalive();
}
}
public function __construct($reply_code, $reply_text, $method_sig)
{
parent::__construct($reply_text, $reply_code);
$this->amqp_reply_code = $reply_code;
// redundant, but kept for BC
$this->amqp_reply_text = $reply_text;
// redundant, but kept for BC
$this->amqp_method_sig = $method_sig;
$ms = PhpAmqpLib_Helper_MiscHelper::methodSig($method_sig);
$PROTOCOL_CONSTANTS_CLASS = PhpAmqpLib_Channel_AbstractChannel::$PROTOCOL_CONSTANTS_CLASS;
$mn = isset($PROTOCOL_CONSTANTS_CLASS::$GLOBAL_METHOD_NAMES[$ms]) ? $PROTOCOL_CONSTANTS_CLASS::$GLOBAL_METHOD_NAMES[$ms] : ($mn = "");
$this->args = array($reply_code, $reply_text, $method_sig, $mn);
}
/**
* Wait for some expected AMQP methods and dispatch to them.
* Unexpected methods are queued up for later calls to this PHP
* method.
*/
public function wait($allowed_methods = null, $non_blocking = false, $timeout = 0)
{
$PROTOCOL_CONSTANTS_CLASS = self::$PROTOCOL_CONSTANTS_CLASS;
if ($allowed_methods && $this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg("waiting for " . implode(", ", $allowed_methods));
} elseif ($this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg("waiting for any method");
}
//Process deferred methods
foreach ($this->method_queue as $qk => $queued_method) {
if ($this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg("checking queue method " . $qk);
}
$method_sig = $queued_method[0];
if ($allowed_methods == null || in_array($method_sig, $allowed_methods)) {
unset($this->method_queue[$qk]);
if ($this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg("Executing queued method: {$method_sig}: " . $PROTOCOL_CONSTANTS_CLASS::$GLOBAL_METHOD_NAMES[PhpAmqpLib_Helper_MiscHelper::methodSig($method_sig)]);
}
return $this->dispatch($queued_method[0], $queued_method[1], $queued_method[2]);
}
}
// No deferred methods? wait for new ones
while (true) {
$frm = $this->next_frame($timeout);
$frame_type = $frm[0];
$payload = $frm[1];
if ($frame_type != 1) {
throw new PhpAmqpLib_Exception_AMQPRuntimeException("Expecting AMQP method, received frame type: {$frame_type} (" . $PROTOCOL_CONSTANTS_CLASS::$FRAME_TYPES[$frame_type] . ")");
}
if (strlen($payload) < 4) {
throw new PhpAmqpLib_Exception_AMQPOutOfBoundsException("Method frame too short");
}
$method_sig_array = unpack("n2", substr($payload, 0, 4));
$method_sig = "" . $method_sig_array[1] . "," . $method_sig_array[2];
$args = new PhpAmqpLib_Wire_AMQPReader(substr($payload, 4));
if ($this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg("> {$method_sig}: " . $PROTOCOL_CONSTANTS_CLASS::$GLOBAL_METHOD_NAMES[PhpAmqpLib_Helper_MiscHelper::methodSig($method_sig)]);
}
if (in_array($method_sig, $PROTOCOL_CONSTANTS_CLASS::$CONTENT_METHODS)) {
$content = $this->wait_content();
} else {
$content = null;
}
if ($allowed_methods == null || in_array($method_sig, $allowed_methods) || in_array($method_sig, $PROTOCOL_CONSTANTS_CLASS::$CLOSE_METHODS)) {
return $this->dispatch($method_sig, $args, $content);
}
// Wasn't what we were looking for? save it for later
if ($this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg("Queueing for later: {$method_sig}: " . $PROTOCOL_CONSTANTS_CLASS::$GLOBAL_METHOD_NAMES[PhpAmqpLib_Helper_MiscHelper::methodSig($method_sig)]);
}
$this->method_queue[] = array($method_sig, $args, $content);
if ($non_blocking) {
break;
}
}
}
/**
* return a failed message
*/
protected function basic_return($args, $msg)
{
$reply_code = $args->read_short();
$reply_text = $args->read_shortstr();
$exchange = $args->read_shortstr();
$routing_key = $args->read_shortstr();
if (!is_null($this->basic_return_callback)) {
call_user_func_array($this->basic_return_callback, array($reply_code, $reply_text, $exchange, $routing_key, $msg));
} elseif ($this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg("Skipping unhandled basic_return message");
}
}
/**
* Waits until some data is retrieved from the socket.
*
* PhpAmqpLib_Exception_AMQPTimeoutException can be raised if the timeout is set
*
* @throws PhpAmqpLib_Exception_AMQPTimeoutException
*/
protected function wait()
{
if ($this->timeout == 0) {
return;
}
// wait ..
list($sec, $usec) = PhpAmqpLib_Helper_MiscHelper::splitSecondsMicroseconds($this->timeout);
$result = $this->io->select($sec, $usec);
if ($result === false) {
throw new PhpAmqpLib_Exception_AMQPRuntimeException('A network error occured while awaiting for incoming data');
}
if ($result === 0) {
throw new PhpAmqpLib_Exception_AMQPTimeoutException(sprintf('The connection timed out after %s sec while awaiting incoming data', $this->getTimeout()));
}
}
/**
* Starts connection negotiation
*
* @param PhpAmqpLib_Wire_AMQPReader $args
*/
protected function connection_start($args)
{
$this->version_major = $args->read_octet();
$this->version_minor = $args->read_octet();
$this->server_properties = $args->read_table();
$this->mechanisms = explode(' ', $args->read_longstr());
$this->locales = explode(' ', $args->read_longstr());
if ($this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg(sprintf('Start from server, version: %d.%d, properties: %s, mechanisms: %s, locales: %s', $this->version_major, $this->version_minor, self::dump_table($this->server_properties), implode(', ', $this->mechanisms), implode(', ', $this->locales)));
}
}
/**
* Wait for some expected AMQP methods and dispatch to them.
* Unexpected methods are queued up for later calls to this PHP
* method.
*
* @param array $allowed_methods
* @param bool $non_blocking
* @param int $timeout
* @throws _PhpAmqpLib_Exception_AMQPOutOfBoundsException
* @throws _PhpAmqpLib_Exception_AMQPRuntimeException
* @return mixed
*/
public function wait($allowed_methods = null, $non_blocking = false, $timeout = 0)
{
$PROTOCOL_CONSTANTS_CLASS = self::$PROTOCOL_CONSTANTS_CLASS;
if ($allowed_methods && $this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg('waiting for ' . implode(', ', $allowed_methods));
} elseif ($this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg('waiting for any method');
}
//Process deferred methods
foreach ($this->method_queue as $qk => $queued_method) {
if ($this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg('checking queue method ' . $qk);
}
$method_sig = $queued_method[0];
if ($allowed_methods == null || in_array($method_sig, $allowed_methods)) {
unset($this->method_queue[$qk]);
$GLOBAL_METHOD_NAMES = self::getStaticProperty($PROTOCOL_CONSTANTS_CLASS, 'GLOBAL_METHOD_NAMES');
if ($this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg(sprintf('Executing queued method: %s: %s', $method_sig, $GLOBAL_METHOD_NAMES[PhpAmqpLib_Helper_MiscHelper::methodSig($method_sig)]));
}
return $this->dispatch($queued_method[0], $queued_method[1], $queued_method[2]);
}
}
// No deferred methods? wait for new ones
while (true) {
$frm = $this->next_frame($timeout);
$frame_type = $frm[0];
$payload = $frm[1];
$FRAME_TYPES = self::getStaticProperty($PROTOCOL_CONSTANTS_CLASS, 'FRAME_TYPES');
if ($frame_type != 1) {
throw new PhpAmqpLib_Exception_AMQPRuntimeException(sprintf('Expecting AMQP method, received frame type: %s (%s)', $frame_type, $FRAME_TYPES[$frame_type]));
}
if (mb_strlen($payload, 'ASCII') < 4) {
throw new PhpAmqpLib_Exception_AMQPOutOfBoundsException('Method frame too short');
}
$method_sig_array = unpack('n2', mb_substr($payload, 0, 4, 'ASCII'));
$method_sig = '' . $method_sig_array[1] . ',' . $method_sig_array[2];
$args = mb_substr($payload, 4, mb_strlen($payload, 'ASCII') - 4, 'ASCII');
$GLOBAL_METHOD_NAMES = self::getStaticProperty($PROTOCOL_CONSTANTS_CLASS, 'GLOBAL_METHOD_NAMES');
if ($this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg(sprintf('> %s: %s', $method_sig, $GLOBAL_METHOD_NAMES[PhpAmqpLib_Helper_MiscHelper::methodSig($method_sig)]));
}
$CONTENT_METHODS = self::getStaticProperty($PROTOCOL_CONSTANTS_CLASS, 'CONTENT_METHODS');
if (in_array($method_sig, $CONTENT_METHODS)) {
$content = $this->wait_content();
} else {
$content = null;
}
$CLOSE_METHODS = self::getStaticProperty($PROTOCOL_CONSTANTS_CLASS, 'CLOSE_METHODS');
if ($allowed_methods == null || in_array($method_sig, $allowed_methods) || in_array($method_sig, $CLOSE_METHODS)) {
return $this->dispatch($method_sig, $args, $content);
}
// Wasn't what we were looking for? save it for later
if ($this->debug) {
PhpAmqpLib_Helper_MiscHelper::debug_msg('Queueing for later: $method_sig: ' . $GLOBAL_METHOD_NAMES[PhpAmqpLib_Helper_MiscHelper::methodSig($method_sig)]);
}
$this->method_queue[] = array($method_sig, $args, $content);
if ($non_blocking) {
break;
}
}
}