72 lines
1.2 KiB
C++
72 lines
1.2 KiB
C++
/**
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* Class describing an AMQP header 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 HeaderFrame : public ExtFrame
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{
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protected:
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/**
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* Construct a header frame
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* @param channel Channel ID
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* @param size Payload size
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*/
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HeaderFrame(uint16_t channel, uint32_t size) : ExtFrame(channel, size + 2) {} // + size of classID (2bytes)
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/**
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* Construct based on incoming data
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* @param frame Incoming frame
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*/
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HeaderFrame(ReceivedFrame &frame) : ExtFrame(frame) {}
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/**
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* Encode a header frame to 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
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{
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// call base
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ExtFrame::fill(buffer);
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// add type
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buffer.add(classID());
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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 ~HeaderFrame() {}
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/**
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* Get the message type
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* @return uint8_t
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*/
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virtual uint8_t type() const override
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{
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return 2;
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}
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/**
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* Class id
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* @return uint16_t
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*/
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virtual uint16_t classID() const = 0;
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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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