/**
* @param integer $version_major
* @param integer $version_minor
* @param mixed $server_properties
* @param string $mechanisms
* @param string $locales
* @return array
*/
public function connectionStart($version_major = 0, $version_minor = 9, $server_properties, $mechanisms = 'PLAIN', $locales = 'en_US')
{
$writer = new AMQPWriter();
$writer->write_octet($version_major);
$writer->write_octet($version_minor);
$writer->write_table(empty($server_properties) ? array() : $server_properties);
$writer->write_longstr($mechanisms);
$writer->write_longstr($locales);
return array(10, 10, $writer);
}
/**
* Returns a new AMQPWriter or mutates the provided $pkt
*
* @param $channel
* @param $method_sig
* @param string $args
* @param AMQPWriter $pkt
* @return null|AMQPWriter
*/
protected function prepare_channel_method_frame($channel, $method_sig, $args = '', $pkt = null)
{
if ($args instanceof AMQPWriter) {
$args = $args->getvalue();
}
if (empty($pkt)) {
$pkt = new AMQPWriter();
}
$pkt->write_octet(1);
$pkt->write_short($channel);
$pkt->write_long(mb_strlen($args, 'ASCII') + 4);
// 4 = length of class_id and method_id
// in payload
$pkt->write_short($method_sig[0]);
// class_id
$pkt->write_short($method_sig[1]);
// method_id
$pkt->write($args);
$pkt->write_octet(0xce);
$this->debug->debug_method_signature1($method_sig);
return $pkt;
}
/**
* Sends a heartbeat message
*/
protected function write_heartbeat()
{
$pkt = new AMQPWriter();
$pkt->write_octet(8);
$pkt->write_short(0);
$pkt->write_long(0);
$pkt->write_octet(0xce);
$this->write($pkt->getvalue());
}
/**
* returns a new AMQPWriter or mutates the provided $pkt
*/
protected function prepare_channel_method_frame($channel, $method_sig, $args = "", $pkt = null)
{
if ($args instanceof AMQPWriter) {
$args = $args->getvalue();
}
if (empty($pkt)) {
$pkt = new AMQPWriter();
}
$pkt->write_octet(1);
$pkt->write_short($channel);
$pkt->write_long(mb_strlen($args, 'ASCII') + 4);
// 4 = length of class_id and method_id
// in payload
$pkt->write_short($method_sig[0]);
// class_id
$pkt->write_short($method_sig[1]);
// method_id
$pkt->write($args);
$pkt->write_octet(0xce);
if ($this->debug) {
$PROTOCOL_CONSTANTS_CLASS = self::$PROTOCOL_CONSTANTS_CLASS;
MiscHelper::debug_msg("< " . MiscHelper::methodSig($method_sig) . ": " . $PROTOCOL_CONSTANTS_CLASS::$GLOBAL_METHOD_NAMES[MiscHelper::methodSig($method_sig)]);
}
return $pkt;
}
public function testTable($table, $integer_op, $string_op)
{
$args = new AMQPWriter();
$args->write_table($table);
$args->write_octet($integer_op);
$args->write_octet($string_op);
return array(120, 30, $args);
}
/**
* Returns a new AMQPWriter or mutates the provided $pkt
*
* @param string $channel
* @param int $class_id
* @param int $weight
* @param int $body_size
* @param string $packed_properties
* @param string $body
* @param AMQPWriter $pkt
* @return AMQPWriter
*/
public function prepare_content($channel, $class_id, $weight, $body_size, $packed_properties, $body, $pkt = null)
{
$pkt = $pkt ?: new AMQPWriter();
// Content already prepared ?
$key_cache = sprintf('%s|%s|%s|%s', $channel, $packed_properties, $class_id, $weight);
if (!isset($this->prepare_content_cache[$key_cache])) {
$w = new AMQPWriter();
$w->write_octet(2);
$w->write_short($channel);
$w->write_long(mb_strlen($packed_properties, 'ASCII') + 12);
$w->write_short($class_id);
$w->write_short($weight);
$this->prepare_content_cache[$key_cache] = $w->getvalue();
if (count($this->prepare_content_cache) > $this->prepare_content_cache_max_size) {
reset($this->prepare_content_cache);
$old_key = key($this->prepare_content_cache);
unset($this->prepare_content_cache[$old_key]);
}
}
$pkt->write($this->prepare_content_cache[$key_cache]);
$pkt->write_longlong($body_size);
$pkt->write($packed_properties);
$pkt->write_octet(0xce);
// memory efficiency: walk the string instead of biting
// it. good for very large packets (close in size to
// memory_limit setting)
$position = 0;
$bodyLength = mb_strlen($body, 'ASCII');
while ($position < $bodyLength) {
$payload = mb_substr($body, $position, $this->frame_max - 8, 'ASCII');
$position += $this->frame_max - 8;
$pkt->write_octet(3);
$pkt->write_short($channel);
$pkt->write_long(mb_strlen($payload, 'ASCII'));
$pkt->write($payload);
$pkt->write_octet(0xce);
}
return $pkt;
}
/**
* @param mixed $table
* @param mixed $integer_op
* @param mixed $string_op
* @return array
*/
public function testTable($table, $integer_op, $string_op)
{
$writer = new AMQPWriter();
$writer->write_table(empty($table) ? array() : $table);
$writer->write_octet($integer_op);
$writer->write_octet($string_op);
return array(120, 30, $writer);
}
protected function send_channel_method_frame($channel, $method_sig, $args = "")
{
if ($args instanceof AMQPWriter) {
$args = $args->getvalue();
}
$pkt = new AMQPWriter();
$pkt->write_octet(1);
$pkt->write_short($channel);
$pkt->write_long(strlen($args) + 4);
// 4 = length of class_id and method_id
// in payload
$pkt->write_short($method_sig[0]);
// class_id
$pkt->write_short($method_sig[1]);
// method_id
$pkt->write($args);
$pkt->write_octet(0xce);
$pkt = $pkt->getvalue();
$this->write($pkt);
if ($this->debug) {
MiscHelper::debug_msg("< " . MiscHelper::methodSig($method_sig) . ": " . AbstractChannel::$GLOBAL_METHOD_NAMES[MiscHelper::methodSig($method_sig)]);
}
}
/**
* Write PHP array, as table. Input array format: keys are strings,
* values are (type,value) tuples.
*/
public function write_table($d)
{
$table_data = new AMQPWriter();
foreach ($d as $k => $va) {
list($ftype, $v) = $va;
$table_data->write_shortstr($k);
if ($ftype == 'S') {
$table_data->write('S');
$table_data->write_longstr($v);
} elseif ($ftype == 'I') {
$table_data->write('I');
$table_data->write_signed_long($v);
} elseif ($ftype == 'D') {
// 'D' type values are passed AMQPDecimal instances.
$table_data->write('D');
$table_data->write_octet($v->e);
$table_data->write_signed_long($v->n);
} elseif ($ftype == 'T') {
$table_data->write('T');
$table_data->write_timestamp($v);
} elseif ($ftype == 'F') {
$table_data->write('F');
$table_data->write_table($v);
} elseif ($ftype == 'A') {
$table_data->write('A');
$table_data->write_array($v);
} elseif ($ftype == 't') {
$table_data->write('t');
$table_data->write_octet($v ? 1 : 0);
} else {
throw new AMQPInvalidArgumentException(sprintf("Invalid type '%s'", $ftype));
}
}
$table_data = $table_data->getvalue();
$this->write_long(strlen($table_data));
$this->write($table_data);
return $this;
}
