108 lines
2.1 KiB
C++
108 lines
2.1 KiB
C++
/**
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* Class describing a channel flow acknowledgement 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 ChannelFlowOKFrame : public ChannelFrame
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{
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private:
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/**
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* Is the channel flow currently active?
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* @var BooleanSet
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*/
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BooleanSet _active;
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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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ChannelFrame::fill(buffer);
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// add fields
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_active.fill(buffer);
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}
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public:
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/**
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* Construct a channel flow frame
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*
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* @param frame received frame to decode
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*/
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ChannelFlowOKFrame(ReceivedFrame &frame) :
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ChannelFrame(frame),
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_active(frame)
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{}
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/**
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* Construct a channel flow frame
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*
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* @param channel channel we're working on
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* @param active enable or disable channel flow
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*/
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ChannelFlowOKFrame(uint16_t channel, bool active) :
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ChannelFrame(channel, 1), //sizeof bool
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_active(active)
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{}
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/**
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* Destructor
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*/
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virtual ~ChannelFlowOKFrame() {}
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/**
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* 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 21;
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}
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/**
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* Is channel flow active?
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* @return bool
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*/
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bool active() const
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{
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return _active.get(0);
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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 success for the call
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if (channel->reportSuccess()) 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 namespace
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*/
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}
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