netserver.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Nanne Hemstra
 Date:          March 2009
________________________________________________________________________

-*/


#include "networkmod.h"
#include "notify.h"
#include "bufstring.h"

mFDQtclass(QTcpSocket)
mFDQtclass(QTcpServer)
mFDQtclass(QTcpServerComm)


namespace Network
{

class Socket;


mExpClass(Network) Server : public CallBacker
{
public:
                        Server();
                        ~Server();

    bool                listen(const char* host,int port=0);
    bool                isListening() const;
    int                 port() const;

    void                close();
    bool                hasPendingConnections() const;
    int                 write(int id,const char*);
    int                 write(int id,const IOPar&);
    void                read(int id,BufferString&) const;
    void                read(int id,IOPar&) const;
    const char*         errorMsg() const;

    Socket*             getSocket(int id);
    const Socket*       getSocket(int id) const;

    CNotifier<Server,int> newConnection;
    CNotifier<Server,int> readyRead;

    mQtclass(QTcpSocket)* nextPendingConnection();

    bool                waitForNewConnection(int msec);

protected:

    void                notifyNewConnection();
    void                readyReadCB(CallBacker*);
    void                disconnectCB(CallBacker*);

    mQtclass(QTcpServer)* qtcpserver_;
    mQtclass(QTcpServerComm)* comm_;
    mutable BufferString errmsg_;
    ObjectSet<Socket>   sockets_;
    TypeSet<int>        ids_;
    ObjectSet<Socket>   sockets2bdeleted_;

    friend class        mQtclass(QTcpServerComm);

};

} // namespace Network