/**
* Read the next frame.
*
* @recoil-coroutine
*
* @return IncomingFrame The value read from the channel.
* @throws ChannelClosedException The channel has been closed.
*/
public function read() : Generator
{
if ($this->stream === null) {
throw ChannelClosedException::channelClosed();
}
$buffer = '';
$required = 0;
try {
feed:
$frame = $this->parser->feed($buffer, $required);
} catch (RecoilAmqpException $e) {
assert(Debug::dumpException('#' . (int) $this->stream, $e));
throw $e;
}
if ($frame === null) {
// @todo handle stream close and throw channel closed exception
$buffer = (yield Recoil::read($this->stream, $required));
if ($buffer === '') {
\fclose($this->stream);
$this->stream = null;
throw ChannelClosedException::channelClosed();
}
assert(Debug::dumpIncomingHex('#' . (int) $this->stream, $buffer));
goto feed;
}
assert(Debug::dumpIncomingFrame('#' . (int) $this->stream, $frame));
return $frame;
}
