100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
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/**
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* TcpConnection.h
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*
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* Extended Connection object that creates a TCP connection for the
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* IO between the client application and the RabbitMQ server.
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*
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* @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
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* @copyright 2015 Copernica BV
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*/
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/**
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* Include guard
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*/
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#pragma once
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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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* Forward declarations
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*/
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class TcpState;
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/**
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* Class definition
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*/
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class TcpConnection : public Connection, private ConnectionHandler
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{
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private:
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/**
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* The state of the TCP connection - this state objecs changes based on
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* the state of the connection (resolving, connected or closed)
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*
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* @var TcpState
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*/
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TcpState *_state = nullptr;
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/**
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* Method that is called by the connection when data needs to be sent over the network
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* @param connection The connection that created this output
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* @param buffer Data to send
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* @param size Size of the buffer
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*/
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virtual void onData(Connection *connection, const char *buffer, size_t size) override;
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/**
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* Method called when the connection ends up in an error state
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* @param connection The connection that entered the error state
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* @param message Error message
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*/
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virtual void onError(Connection *connection, const char *message) override;
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/**
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* Method that is called when the connection is established
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* @param connection The connection that can now be used
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*/
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virtual void onConnected(Connection *connection) override;
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/**
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* Method that is called when the connection was closed.
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* @param connection The connection that was closed and that is now unusable
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*/
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virtual void onClosed(Connection *connection) override;
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public:
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/**
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* Constructor
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* @param handler User implemented handler object
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* @param hostname The address to connect to
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*/
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TcpConnection(TcpHandler *handler, const Address &address);
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/**
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* Destructor
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*/
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virtual ~TcpConnection();
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/**
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* Process the TCP connection
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*
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* This method should be called when the filedescriptor that is registered
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* in the event loop becomes active. You should pass in a flag holding the
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* flags AMQP::readable or AMQP::writable to indicate whether the descriptor
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* was readable or writable, or bitwise-or if it was both
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*
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* @param fd The filedescriptor that became readable or writable
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* @param events What sort of events occured?
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*/
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void process(int fd, int flags);
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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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