104 lines
2.2 KiB
C
104 lines
2.2 KiB
C
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/**
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* Class describing a basic cancel 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 BasicCancelFrame : public BasicFrame
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{
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private:
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/**
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* Holds the consumer tag specified by the client or provided by the server.
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* @var ShortString
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*/
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ShortString _consumerTag;
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/**
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* whether to wait for a 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 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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// add consumer tag + booleans
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_consumerTag.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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* Construct a basic cancel frame from a received frame
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*
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* @param frame received frame to parse
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*/
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BasicCancelFrame(ReceivedFrame &frame) : BasicFrame(frame), _consumerTag(frame), _noWait(frame) {}
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/**
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* Construct a basic cancel frame
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*
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* @param channel Channel identifier
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* @param consumerTag consumertag specified by client of provided by server
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* @param noWait whether to wait for a response.
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*/
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BasicCancelFrame(uint16_t channel, const std::string& consumerTag, bool noWait = false) :
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BasicFrame(channel, consumerTag.size() + 2), // 1 for extra string size, 1 for bool
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_consumerTag(consumerTag),
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_noWait(noWait) {}
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/**
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* Destructor
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*/
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virtual ~BasicCancelFrame() {}
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/**
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* Return the consumertag, which is specified by the client or provided by the server
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* @return string
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*/
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const std::string& consumerTag() const
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{
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return _consumerTag;
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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 30;
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}
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/**
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* Return whether to wait for a response
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* @return boolean
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*/
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const bool noWait()
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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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