185 lines
3.8 KiB
C++
185 lines
3.8 KiB
C++
/**
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* Class describing an AMQP queue bind 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 QueueBindFrame : public QueueFrame
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{
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private:
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/**
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* Deprecated field
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* @var uint16_t
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*/
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uint16_t _deprecated = 0;
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/**
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* Queue name
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* @var ShortString
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*/
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ShortString _name;
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/**
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* Exchange name
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* @var ShortString
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*/
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ShortString _exchange;
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/**
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* Routing key
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* @var ShortString
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*/
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ShortString _routingKey;
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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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/**
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* Additional arguments. Implementation dependent.
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* @var Table
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*/
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Table _arguments;
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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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* @params buffer buffer to encode frame in 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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_exchange.fill(buffer);
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_routingKey.fill(buffer);
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_noWait.fill(buffer);
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_arguments.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 ~QueueBindFrame() {}
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/**
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* Construct a queue bind frame
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*
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* @param channel channel identifier
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* @param String name name of the queue
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* @param String exchange name of the exchange
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* @param String routingKey the routingKey
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* @param Bool noWait do not wait for a response
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* @param Table arguments additional arguments
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*/
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QueueBindFrame(uint16_t channel, const std::string& name, const std::string& exchange, const std::string& routingKey = "", bool noWait = false, const Table& arguments = {}) :
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QueueFrame(channel, (uint32_t)(name.length() + exchange.length() + routingKey.length() + arguments.size() + 6) ), // 3 extra per string, 1 for bools, 2 for deprecated field
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_name(name),
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_exchange(exchange),
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_routingKey(routingKey),
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_noWait(noWait),
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_arguments(arguments)
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{}
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/**
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* Constructor based on incoming data
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* @param frame received frame
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*/
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QueueBindFrame(ReceivedFrame &frame) :
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QueueFrame(frame),
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_deprecated(frame.nextUint16()),
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_name(frame),
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_exchange(frame),
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_routingKey(frame),
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_noWait(frame),
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_arguments(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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* Returns 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 20;
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}
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/**
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* returns the queue name
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* @return string
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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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* returns the exchange Name
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* @return string
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*/
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const std::string& exchange() const
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{
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return _exchange;
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}
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/**
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* returns the routing key
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* @return string
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*/
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const std::string& routingKey() const
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{
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return _routingKey;
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}
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/**
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* returns whether to wait on a response
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* @return boolean
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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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* returns the additional arguments. Implementation dependant.
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* @return Table
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*/
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const Table &arguments() const
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{
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return _arguments;
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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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