/** * Given the raw bytes containing the property-flags and * property-list from a content-frame-header, parse and insert * into a dictionary stored in this object as an attribute named * 'properties'. */ public function load_properties($raw_bytes) { $r = new AMQPReader($raw_bytes); // Read 16-bit shorts until we get one with a low bit set to zero $flags = array(); while (true) { $flag_bits = $r->read_short(); $flags[] = $flag_bits; if (($flag_bits & 1) == 0) { break; } } $shift = 0; $d = array(); foreach ($this->prop_types as $key => $proptype) { if ($shift == 0) { if (!$flags) { break; } $flag_bits = array_shift($flags); $shift = 15; } if ($flag_bits & 1 << $shift) { $d[$key] = $r->{'read_' . $proptype}(); } $shift -= 1; } $this->properties = $d; }
function wait_content() { $frm = $this->next_frame(); $frame_type = $frm[0]; $payload = $frm[1]; if ($frame_type != 2) { throw new Exception("Expecting Content header"); } $payload_reader = new AMQPReader(substr($payload, 0, 12)); $class_id = $payload_reader->read_short(); $weight = $payload_reader->read_short(); $body_size = $payload_reader->read_longlong(); $msg = new AMQPMessage(); $msg->load_properties(substr($payload, 12)); $body_parts = array(); $body_received = 0; while (bccomp($body_size, $body_received) == 1) { $frm = $this->next_frame(); $frame_type = $frm[0]; $payload = $frm[1]; if ($frame_type != 3) { throw new Exception("Expecting Content body, received frame type {$frame_type}"); } $body_parts[] = $payload; $body_received = bcadd($body_received, strlen($payload)); } $msg->body = implode("", $body_parts); if ($this->auto_decode and isset($msg->content_encoding)) { try { $msg->body = $msg->body->decode($msg->content_encoding); } catch (Exception $e) { if ($this->debug) { MiscHelper::debug_msg("Ignoring body decoding exception: " . $e->getMessage()); } } } return $msg; }