TMultiplexedProtocol is a protocol-independent concrete decorator
* that allows a Thrift client to communicate with a multiplexing Thrift server,
* by prepending the service name to the function name during function calls.
*
* @package Thrift\Protocol
*/
class TMultiplexedProtocol extends TProtocolDecorator
{
/**
* Separator between service name and function name.
* Should be the same as used at multiplexed Thrift server.
*
* @var string
*/
const SEPARATOR = ":";
/**
* The name of service.
*
* @var string
*/
private $serviceName_;
/**
* Constructor of TMultiplexedProtocol
class.
*
* Wrap the specified protocol, allowing it to be used to communicate with a
* multiplexing server. The $serviceName
is required as it is
* prepended to the message header so that the multiplexing server can broker
* the function call to the proper service.
*
* @param TProtocol $protocol
* @param string $serviceName The name of service.
*/
public function __construct(TProtocol $protocol, $serviceName)
{
parent::__construct($protocol);
$this->serviceName_ = $serviceName;
}
/**
* Writes the message header.
* Prepends the service name to the function name, separated by TMultiplexedProtocol::SEPARATOR
.
*
* @param string $name Function name.
* @param int $type Message type.
* @param int $seqid The sequence id of this message.
*/
public function writeMessageBegin($name, $type, $seqid)
{
if ($type == TMessageType::CALL || $type == TMessageType::ONEWAY) {
$nameWithService = $this->serviceName_ . self::SEPARATOR . $name;
parent::writeMessageBegin($nameWithService, $type, $seqid);
} else {
parent::writeMessageBegin($name, $type, $seqid);
}
}
}