129 lines
2.4 KiB
C++
129 lines
2.4 KiB
C++
/**
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* Class describing an AMQP queue purge 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 definition
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*/
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class QueuePurgeFrame : public QueueFrame{
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private:
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/**
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* Field that is no longer in use
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* @var int16_t
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*/
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int16_t _deprecated = 0;
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/**
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* Name of the queue
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* @var ShortString
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*/
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ShortString _name;
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/**
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* Do not wait on response
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* @var BooleanSet
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*/
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BooleanSet _noWait;
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protected:
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/**
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* Encode the frame into a 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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QueueFrame::fill(buffer);
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// add fields
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buffer.add(_deprecated);
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_name.fill(buffer);
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_noWait.fill(buffer);
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}
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public:
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/**
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* Destructor
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*/
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virtual ~QueuePurgeFrame() {}
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/**
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* Construct a QueuePurgeFrame
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*
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* @param channel channel identifier
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* @param name name of the queue
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* @param noWait Do not wait on response
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*
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* @return newly created Queuepurgeframe
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*/
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QueuePurgeFrame(uint16_t channel, const std::string& name, bool noWait = false) :
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QueueFrame(channel, (uint32_t)(name.length() + 4)), // 1 extra for string length, 1 for bool, 2 for deprecated field
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_name(name),
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_noWait(noWait)
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{}
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/**
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* Constructor based on received data
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* @param frame received frame
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*/
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QueuePurgeFrame(ReceivedFrame &frame) :
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QueueFrame(frame),
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_deprecated(frame.nextInt16()),
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_name(frame),
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_noWait(frame)
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{}
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/**
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* Is this a synchronous frame?
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*
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* After a synchronous frame no more frames may be
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* sent until the accompanying -ok frame arrives
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*/
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bool synchronous() const override
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{
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// we are synchronous without the nowait option
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return !noWait();
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}
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/**
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* The method ID
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* @return method id
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*/
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virtual uint16_t methodID() const override
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{
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return 30;
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}
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/**
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* The queue name
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* @return the queue name
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*/
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const std::string& name() const
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{
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return _name;
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}
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/**
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* The nowait option
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* @return the value of bool noWait
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*/
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bool noWait() const
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{
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return _noWait.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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