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) {
$PROTOCOL_CONSTANTS_CLASS = self::$PROTOCOL_CONSTANTS_CLASS;
MiscHelper::debug_msg("< " . MiscHelper::methodSig($method_sig) . ": " . $PROTOCOL_CONSTANTS_CLASS::$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)
{
$this->flushbits();
$table_data = new AMQPWriter();
foreach ($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);
} else {
throw new \InvalidArgumentException(sprintf("Invalid type '%s'", $ftype));
}
}
$table_data = $table_data->getvalue();
$this->write_long(strlen($table_data));
$this->write($table_data);
return $this;
}
/**
* serialize the 'properties' attribute (a dictionary) into the
* raw bytes making up a set of property flags and a property
* list, suitable for putting into a content frame header.
*/
public function serialize_properties()
{
$shift = 15;
$flag_bits = 0;
$flags = array();
$raw_bytes = new AMQPWriter();
foreach ($this->prop_types as $key => $proptype) {
if (isset($this->properties[$key])) {
$val = $this->properties[$key];
} else {
$val = null;
}
if ($val != null) {
if ($shift == 0) {
$flags[] = $flag_bits;
$flag_bits = 0;
$shift = 15;
}
$flag_bits |= 1 << $shift;
if ($proptype != "bit") {
$raw_bytes->{'write_' . $proptype}($val);
}
}
$shift -= 1;
}
$flags[] = $flag_bits;
$result = new AMQPWriter();
foreach ($flags as $flag_bits) {
$result->write_short($flag_bits);
}
$result->write($raw_bytes->getvalue());
return $result->getvalue();
}