/**
* Closes channel.
*
* Always returns a promise, because there can be outstanding messages to be processed.
*
* @param int $replyCode
* @param string $replyText
* @return PromiseInterface
*/
public function close($replyCode = 0, $replyText = "")
{
if ($this->state === ChannelStateEnum::CLOSED) {
throw new ChannelException("Trying to close already closed channel #{$this->channelId}.");
}
if ($this->state === ChannelStateEnum::CLOSING) {
return $this->closePromise;
}
$this->state = ChannelStateEnum::CLOSING;
$this->client->channelClose($this->channelId, $replyCode, $replyText, 0, 0);
$this->closeDeferred = new Deferred();
return $this->closePromise = $this->closeDeferred->promise()->then(function () {
$this->client->removeChannel($this->channelId);
});
}
