/**
* Try to read a frame from the server.
*
* @return Frame|false when no frame to read
* @throws ConnectionException
* @throws ErrorFrameException
*/
public function readFrame()
{
if ($this->parser->hasBufferedFrames()) {
return $this->parser->getFrame();
}
if (!$this->hasDataToRead()) {
return false;
}
// See if there are newlines waiting to be processed (some brokers send empty lines as heartbeat)
$this->gobbleNewLines();
do {
$read = @stream_get_line($this->connection, 8192, Parser::FRAME_END);
if ($read === false || $read === '') {
throw new ConnectionException('Was not possible to read data from stream.', $this->activeHost);
}
$this->parser->addData($read);
// Include zero-byte back at the end
if (strlen($read) != 8192) {
$this->parser->addData(Parser::FRAME_END);
}
} while (!$this->parser->parse());
// See if there are newlines after the \0
$this->gobbleNewLines();
$frame = $this->parser->getFrame();
if ($frame->isErrorFrame()) {
throw new ErrorFrameException($frame);
}
return $frame;
}
/**
* Try to read a frame from the server.
*
* @return Frame|false when no frame to read
* @throws ConnectionException
* @throws ErrorFrameException
*/
public function readFrame()
{
if ($this->parser->hasBufferedFrames()) {
return $this->parser->getFrame();
}
if (!$this->hasDataToRead()) {
return false;
}
do {
$read = @fread($this->connection, 1024);
if ($read === false || $read === '') {
throw new ConnectionException('Was not possible to read data from stream.', $this->activeHost);
}
$this->parser->addData($read);
} while (!$this->parser->parse());
$frame = $this->parser->getFrame();
if ($frame->isErrorFrame()) {
throw new ErrorFrameException($frame);
}
return $frame;
}