99048c1c
 Steven de Ridder
Initial commit. d...
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/* ****************************************************************************
* Copyright 2019 Open Systems Development BV *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the "Software"), *
* to deal in the Software without restriction, including without limitation *
* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
* and/or sell copies of the Software, and to permit persons to whom the *
* Software is furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included in *
* all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
* DEALINGS IN THE SOFTWARE. *
* ***************************************************************************/
#ifndef OSDEV_COMPONENTS_CPOOLMANAGER_H
#define OSDEV_COMPONENTS_CPOOLMANAGER_H
/***************************************************************************
* Global Includes
***************************************************************************/
#include <QObject>
#include <QString>
#include <QUuid>
#include <QHash>
#include <QTcpServer>
#include <QList>
/***************************************************************************
* Local Includes
***************************************************************************/
#include "eventcodes.h" // Make the codes known.
#include "socketcontainer.h"
#include "tcpsocket.h"
namespace osdev {
namespace components {
/**
* @brief Handles a pool of network connections
*/
class PoolManager : public QObject
{
Q_OBJECT
public:
/**
* @brief Constructor
* @param bServer True for server-mode, false for client-mode (Server is default).
* @param ipAddress IP-address to listen at (server-mode) or to connect to
* (client-mode)
* @param portNumber Portnumber to listen at (server-mode) or to connect to
* (server-mode)
* @param maxTcpConnections Maximum number of TCP connections accepted
* @param maxUdpConnections Maximum number of UDP connections accepted
* (currently unused)
* @param _parent Parent object
*/
PoolManager(bool bServer = false,
const QString& ipAddress = "0.0.0.0",
int portNumber = 3500,
int maxTcpConnections = 10, // The maximum number of connections we accept.
int maxUdpConnections = 10,
QObject *_parent = nullptr );
/// @brief Destructor
~PoolManager();
/// Deleted copy-constructor
PoolManager(const PoolManager&) = delete;
/// Deleted assignment operator
PoolManager& operator=(const PoolManager&) = delete;
/// Deleted move-constructor
PoolManager(PoolManager&&) = delete;
/// Deleted move operator
PoolManager& operator=(PoolManager&&) = delete;
/**
* @brief Get the data for a specified ticket
* @param sTicket Ticket ID
* @return Available data
*/
QString getData( const QString& sTicket );
/**
* @brief Start the actual server (server-mode) or build the client
* connection (client-mode)
* @return True on success, false on failure
*/
bool startNetworkLayer();
/**
* @brief Send data through the interface
* @param sData Data to send
*/
void sendData( const QString &sData );
public slots:
/// @brief Slot called when a new server-connection is available
void slotNewConnection();
/**
* @brief Slot called when data was sent through the specified socket
* @param pSocket Socket through which data was sent
*/
void slotDataSent( TcpSocket *pSocket );
/**
* @brief Slot called when data is being received by the specified socket
* @param pSocket Socket which is receiving data
*/
void slotReceivingData( TcpSocket *pSocket );
/**
* @brief Slot called when data was received through the specified socket
* @param sData Data received
* @param pSocket Socket through which data was sent
*/
void slotDataReceived( const QString &sData, TcpSocket *pSocket );
/**
* @brief Slot called when the specified socket was connected
* @param pSocket Socket through which data was sent
*/
void slotConnected( TcpSocket *pSocket );
/**
* @brief Slot called when the specified socket was disconnected
* @param pSocket Socket that was disconnected
*
* Also removes the socket from the list of known sockets and deletes it
*/
void slotDisconnected( TcpSocket *pSocket );
signals:
/**
* @brief Signal emitted when data is sent through a specified socket
* @param sData Data to be sent
* @param pSocket Socket that sends the data
*/
void signalSendData( const QString &sData, TcpSocket *pSocket );
/**
* @brief Signal emitted when data is present for the specified ticket
* @param sTicket Ticket ID
*/
void dataPresent( const QString &sTicket );
/**
* @brief Relay the message signal to the eventmanager
* @todo Check parameter meanings!
* @param i1 sourceID ?
* @param i2 DestID ?
* @param i3 Connection status ?
* @param i4 data ?
*/
void message( int i1, int i2, int i3, int i4 );
private:
/**
* @brief Create a new unique buffer ticket ID
* @return New ticket ID
*/
QString createBufferTicket();
/**
* @brief Connect all signals and slots for the socket
* @param l_pSocket Socket to connect
*/
void connectSocketSignals( TcpSocket *l_pSocket );
/// @brief Resend messages that are still in the buffer
void resendDelayedMessages();
QTcpServer *m_pServer; ///< The pointer to the server object.
SocketContainer *m_pSocketContainer; ///< Administration which keeps track of the Sockets.
TcpSocket *m_pSocket;
QList< QString > m_inputBuffer; ///< Messages that can not be send yet will be stored here.
QHash< QString, QString > m_outputBuffer; ///< The hashtable we use for databuffering.
bool m_bServer; ///< True for server-mode, false for client-mode
QString m_ipAddress; ///< The ipAddress the clients are connecting to.
int m_portNumber; ///< The portnumber our server is listening on.
int m_maxTcpConnections;///< The number of TCP connections we accept and make.
int m_maxUdpConnections;///< The number of UDP connections we accept and make.
};
} // End namespace components
} // End namespace osdev
#endif /* OSDEV_COMPONENTS_CPOOLMANAGER_H */
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