118 lines
2.3 KiB
C
118 lines
2.3 KiB
C
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/**
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* Class describing a basic get frame
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*
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* @copyright 2014 Copernica BV
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*/
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/**
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* Set up namespace
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*/
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namespace AMQP{
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/**
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* Class implementation
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*/
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class BasicGetFrame : public BasicFrame
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{
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private:
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/**
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* Deprecated field
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* @var uint16_t
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*/
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uint16_t _deprecated;
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/**
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* name of the queue to get a message from
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* @var ShortString
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*/
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ShortString _queue;
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/**
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* if set, server does not expect acknowledgement for messages. Server dequeues message after sending
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* @var BooleanSet
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*/
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BooleanSet _noAck;
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protected:
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/**
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* Encode a frame on a string buffer
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*
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* @param buffer buffer to write frame to
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*/
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virtual void fill(OutBuffer& buffer) const override
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{
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// call base
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BasicFrame::fill(buffer);
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// encode other values
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buffer.add(_deprecated);
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_queue.fill(buffer);
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_noAck.fill(buffer);
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}
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public:
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/**
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* Construct a basic get frame
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*
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* @param channel channel we're working on
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* @param queue name of the queue
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* @param noAck whether server expects acknowledgements for messages
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*/
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BasicGetFrame(uint16_t channel, const std::string& queue, bool noAck = false) :
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BasicFrame(channel, queue.length() + 4), // 1 for bool, 1 for string size, 2 for deprecated field
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_deprecated(0),
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_queue(queue),
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_noAck(noAck)
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{}
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/**
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* Constructor based on incoming frame
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* @param frame
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*/
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BasicGetFrame(ReceivedFrame &frame) :
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BasicFrame(frame),
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_deprecated(frame.nextUint16()),
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_queue(frame),
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_noAck(frame)
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{}
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/**
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* Destructor
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*/
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virtual ~BasicGetFrame() {}
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/**
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* Return the name of the queue
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* @return string
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*/
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const std::string& queue() const
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{
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return _queue;
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}
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/**
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* Return the method ID
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* @return uint16_t
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*/
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virtual uint16_t methodID() const override
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{
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return 70;
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}
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/**
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* Return whether the server expects acknowledgements for messages
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* @return boolean
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*/
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bool noAck() const
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{
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return _noAck.get(0);
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}
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};
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/**
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* end namespace
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*/
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}
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