/**
* Wait for some expected AMQP methods and dispatch to them.
* Unexpected methods are queued up for later calls to this Python
* method.
*/
public function wait($allowed_methods = NULL, $non_blocking = false)
{
if ($allowed_methods) {
if ($this->debug) {
MiscHelper::debug_msg("waiting for " . implode(", ", $allowed_methods));
}
} else {
if ($this->debug) {
MiscHelper::debug_msg("waiting for any method");
}
}
//Process deferred methods
foreach ($this->method_queue as $qk => $queued_method) {
if ($this->debug) {
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) {
MiscHelper::debug_msg("Executing queued method: {$method_sig}: " . self::$GLOBAL_METHOD_NAMES[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();
$frame_type = $frm[0];
$payload = $frm[1];
if ($frame_type != 1) {
throw new Exception("Expecting AMQP method, received frame type: {$frame_type}");
}
if (strlen($payload) < 4) {
throw new Exception("Method frame too short");
}
$method_sig_array = unpack("n2", substr($payload, 0, 4));
$method_sig = "" . $method_sig_array[1] . "," . $method_sig_array[2];
$args = new AMQPReader(substr($payload, 4));
if ($this->debug) {
MiscHelper::debug_msg("> {$method_sig}: " . self::$GLOBAL_METHOD_NAMES[MiscHelper::methodSig($method_sig)]);
}
if (in_array($method_sig, self::$CONTENT_METHODS)) {
$content = $this->wait_content();
} else {
$content = NULL;
}
if ($allowed_methods == NULL || in_array($method_sig, $allowed_methods) || in_array($method_sig, self::$CLOSE_METHODS)) {
return $this->dispatch($method_sig, $args, $content);
}
// Wasn't what we were looking for? save it for later
if ($this->debug) {
MiscHelper::debug_msg("Queueing for later: {$method_sig}: " . self::$GLOBAL_METHOD_NAMES[MiscHelper::methodSig($method_sig)]);
}
$this->method_queue[] = array($method_sig, $args, $content);
if ($non_blocking) {
break;
}
}
}
/**
* start connection negotiation
*/
protected function 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) {
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(', ', $this->locales)));
}
}
protected function open_ok($args)
{
$this->is_open = true;
if ($this->debug) {
MiscHelper::debug_msg("Channel open");
}
}
