AMQP-CPP/src/basicgetemptyframe.h

100 lines
1.9 KiB
C++

/**
* Class describing a basic get empty frame
*
* @copyright 2014 Copernica BV
*/
/**
* Set up namespace
*/
namespace AMQP {
/**
* Class implementation
*/
class BasicGetEmptyFrame : public BasicFrame
{
private:
/**
* Field that is no longer used
* @var ShortString
*/
ShortString _deprecated;
protected:
/**
* Encode a frame on a string buffer
*
* @param buffer buffer to write frame to
*/
virtual void fill(OutBuffer& buffer) const override
{
// call base
BasicFrame::fill(buffer);
// recreate deprecated field and encode
_deprecated.fill(buffer);
}
public:
/**
* Construct a basic get empty frame
*
* @param channel channel we're working on
*/
BasicGetEmptyFrame(uint16_t channel) :
BasicFrame(channel, 1) // 1 for encoding the deprecated cluster id (shortstring)
{}
/**
* Constructor for incoming data
* @param frame received frame
*/
BasicGetEmptyFrame(ReceivedFrame &frame) :
BasicFrame(frame),
_deprecated(frame)
{}
/**
* Destructor
*/
virtual ~BasicGetEmptyFrame() {}
/**
* Return the method ID
* @return uint16_t
*/
virtual uint16_t methodID() const override
{
return 72;
}
/**
* Process the frame
* @param connection The connection over which it was received
* @return bool Was it succesfully processed?
*/
virtual bool process(ConnectionImpl *connection) override
{
// we need the appropriate channel
auto channel = connection->channel(this->channel());
// channel does not exist
if (!channel) return false;
// report
channel->reportSuccess();
// done
return true;
}
};
/**
* end namespace
*/
}