Source: dcopserver.h

# Source: dcopserver.h |
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    /*
    Copyright (c) 1999 Preston Brown
    Copyright (c) 1999 Matthias Ettrich

    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 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 DCOPSERVER_H
    #define DCOPSERVER_H "$Id: dcopserver.h,v 1.33 2002/01/04 11:03:18 lunakl Exp $"

    #include
    #include
    #include
    #include
    #include
    #include
    #include
    #include
    #include
    #include

    #define INT32 QINT32
    #ifdef Q_WS_X11
    #include
    #include
    #endif
    #include
    extern "C" {
    #include
    #include
    #include
    }

    class DCOPConnection;
    class DCOPListener;
    class DCOPSignalConnectionList;
    class DCOPSignals;
    class QTimer;

    typedef QValueList QCStringList;

    /**
     * @internal
     */
    class DCOPConnection : public QSocketNotifier
    {
    public:
        DCOPConnection( IceConn conn );
        ~DCOPConnection();

        DCOPSignalConnectionList *signalConnectionList();

        // Add the data from offset @p start in @p _data to the output
        // buffer and schedule it for later transmission.
        void waitForOutputReady(const QByteArray &_data, int start);

        // Called from DCOPServer::slotOutputReady()
        // Flush the output buffer.
        void slotOutputReady();

        QCString appId;
        QCString plainAppId;
        IceConn iceConn;
        int notifyRegister;
        /**
         * When client A has called client B then for the duration of the call:
         * A->waitingOnReply contains B
         *   and either
         * B->waitingForReply contains A
         *   or
         * B->waitingForDelayedReply contains A
         *
         * This allows us to do proper bookkeeping in case client A, client B
         * or both unregister during the call.
         */
        QPtrList <_IceConn> waitingOnReply;
        QPtrList <_IceConn> waitingForReply;
        QPtrList <_IceConn> waitingForDelayedReply;
        DCOPSignalConnectionList *_signalConnectionList;
        bool daemon;
        bool outputBlocked;
        QValueList  outputBuffer;
        unsigned long outputBufferStart;
        QSocketNotifier *outputBufferNotifier;
    };

    /**
     * @internal
     */
    class DCOPServer : public QObject
    {
        Q_OBJECT
    public:
        DCOPServer(bool _only_local, bool _suicide);
        ~DCOPServer();

        void* watchConnection( IceConn iceConn );
        void removeConnection( void* data );
        void processMessage( IceConn iceConn, int opcode, unsigned long length, Bool swap);
        void ioError( IceConn iceConn );

        bool receive(const QCString &app, const QCString &obj,
                     const QCString &fun, const QByteArray& data,
                     QCString& replyType, QByteArray &replyData, IceConn iceConn);

        DCOPConnection *findApp(const QCString &appId);
        DCOPConnection *findConn(IceConn iceConn)
           { return clients.find(iceConn); }

        void sendMessage(DCOPConnection *conn, const QCString &sApp,
                         const QCString &rApp, const QCString &rObj,
                         const QCString &rFun, const QByteArray &data);

    private slots:
        void newClient( int socket );
        void processData( int socket );
        void slotTerminate();
        void slotSuicide();
        void slotCleanDeadConnections();
        void slotOutputReady(int socket );

    private:
        void broadcastApplicationRegistration( DCOPConnection* conn, const QCString type,
            const QString& data );
        bool suicide;
        int majorOpcode;
        int currentClientNumber;
        CARD32 serverKey;
        DCOPSignals *dcopSignals;
        QTimer *m_timer;
        QTimer *m_deadConnectionTimer;
        QPtrList listener;
        QAsciiDict appIds; // index on app id
        QPtrDict clients; // index on iceConn
        QIntDict fd_clients; // index on fd
        QPtrList<_IceConn> deadConnections;
    };

    extern DCOPServer* the_server;

    #endif

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