/**
* Callback from the Connection object for channel frames and
* messages. Only channel class methods should be delivered here.
* @param $meth A channel method for this channel
* @return boolean True: Add message to internal queue for regular delivery
* False: Remove message from internal queue
*/
function handleChannelMessage(wire\Method $meth)
{
switch ($meth->amqpClass) {
case 'channel.flow':
$this->flow = !$this->flow;
if ($r = $meth->getMethodProto()->getResponses()) {
$meth = new wire\Method($r[0], $this->chanId);
$this->invoke($meth);
}
return false;
case 'channel.close':
$pl = $this->myConn->getProtocolLoader();
if ($culprit = $pl('ClassFactory', 'GetMethod', array($meth->getField('class-id'), $meth->getField('method-id')))) {
$culprit = $culprit->getSpecName();
} else {
$culprit = '(Unknown or unspecified)';
}
// Note: ignores the soft-error, hard-error distinction in the xml
$errCode = $pl('ProtoConsts', 'Konstant', array($meth->getField('reply-code')));
$eb = '';
foreach ($meth->getFields() as $k => $v) {
$eb .= sprintf("(%s=%s) ", $k, $v);
}
$tmp = $meth->getMethodProto()->getResponses();
$closeOk = new wire\Method($tmp[0], $this->chanId);
$em = "[channel.close] reply-code={$errCode['name']} triggered by {$culprit}: {$eb}";
try {
$this->myConn->invoke($closeOk);
$em .= " Channel closed OK";
$n = 3687;
} catch (\Exception $e) {
$em .= " Additionally, channel closure ack send failed";
$n = 2435;
}
throw new \Exception($em, $n);
case 'channel.close-ok':
case 'channel.open-ok':
case 'channel.flow-ok':
return true;
default:
throw new \Exception("Received unexpected channel message: {$meth->amqpClass}", 8795);
}
}
/**
* Send the given method immediately, optionally wait for the response.
* @arg Method $inMeth The method to send
* @arg boolean $noWait Flag that prevents the default behaviour of immediately
* waiting for a response - used mainly during consume. NOTE
* that this mechanism can also be triggered via. the use of
* an Amqp no-wait domain field set to true
*/
function invoke(wire\Method $inMeth, $noWait = false)
{
if (!$this->write($inMeth->toBin($this->getProtocolLoader()))) {
throw new \Exception("Send message failed (1)", 5623);
}
if (!$noWait && $inMeth->getMethodProto()->getSpecResponseMethods()) {
if ($inMeth->getMethodProto()->hasNoWaitField()) {
foreach ($inMeth->getMethodProto()->getFields() as $f) {
if ($f->getSpecDomainName() == 'no-wait' && $inMeth->getField($f->getSpecFieldName())) {
return;
}
}
}
while (true) {
if (!($buff = $this->read())) {
throw new \Exception(sprintf("(2) Send message failed for %s", $inMeth->amqpClass), 5624);
}
$meths = $this->readMessages($buff);
foreach (array_keys($meths) as $k) {
$meth = $meths[$k];
unset($meths[$k]);
if ($inMeth->isResponse($meth)) {
if ($meths) {
$this->unDelivered = array_merge($this->unDelivered, $meths);
}
return $meth;
} else {
$this->unDelivered[] = $meth;
}
}
}
}
}
