109 lines
2.3 KiB
C++
109 lines
2.3 KiB
C++
/**
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* Class describing a basic cancel ok 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 BasicCancelOKFrame : 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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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 own information
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_consumerTag.fill(buffer);
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}
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public:
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/**
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* Construct a basic cancel ok frame
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*
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* @param frame received frame
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*/
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BasicCancelOKFrame(ReceivedFrame &frame) :
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BasicFrame(frame),
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_consumerTag(frame)
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{}
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/**
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* Construct a basic cancel ok frame (client-side)
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* @param channel channel identifier
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* @param consumerTag holds the consumertag specified by client or server
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*/
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BasicCancelOKFrame(uint16_t channel, std::string& consumerTag) :
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BasicFrame(channel, consumerTag.length() + 1), // add 1 byte for encoding the size of consumer tag
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_consumerTag(consumerTag)
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{}
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/**
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* Destructor
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*/
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virtual ~BasicCancelOKFrame() {}
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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 31;
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}
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/**
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* Process the frame
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* @param connection The connection over which it was received
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* @return bool Was it succesfully processed?
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*/
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virtual bool process(ConnectionImpl *connection) override
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{
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// we need the appropriate channel
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auto channel = connection->channel(this->channel());
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// channel does not exist
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if (!channel) return false;
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// report
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if (channel->reportSuccess<const std::string&>(consumerTag())) channel->onSynchronized();
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// done
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return true;
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}
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};
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/**
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* End of namespace
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*/
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}
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