+ class AbstractPeer;
+ class IODevicePeer;
+ class SignalProxyPeer;
+
+ class Relay;
+ class SignalRelay;
+ class SyncRelay;
+
+public:
+ enum ProxyMode {
+ Server,
+ Client
+ };
+
+ enum RequestType {
+ Sync = 1,
+ RpcCall,
+ InitRequest,
+ InitData,
+ HeartBeat,
+ HeartBeatReply
+ };
+
+ enum ClientConnectionType {
+ SignalProxyConnection,
+ IODeviceConnection
+ };
+
+ enum CustomEvents {
+ PeerSignal = QEvent::User,
+ RemovePeer
+ };
+
+ SignalProxy(QObject *parent);
+ SignalProxy(ProxyMode mode, QObject *parent);
+ SignalProxy(ProxyMode mode, QIODevice *device, QObject *parent);
+ virtual ~SignalProxy();
+
+ void setProxyMode(ProxyMode mode);
+ inline ProxyMode proxyMode() const { return _proxyMode; }
+
+ bool addPeer(QIODevice *iodev);
+ bool addPeer(SignalProxy *proxy);
+ void removePeer(QObject *peer);
+ void removeAllPeers();
+
+ bool attachSignal(QObject *sender, const char *signal, const QByteArray& sigName = QByteArray());
+ bool attachSlot(const QByteArray& sigName, QObject *recv, const char *slot);
+
+ void synchronize(SyncableObject *obj);
+
+ //! Writes a QVariant to a device.
+ /** The data item is prefixed with the resulting blocksize,
+ * so the corresponding function readDataFromDevice() can check if enough data is available
+ * at the device to reread the item.
+ */
+ static void writeDataToDevice(QIODevice *dev, const QVariant &item, bool compressed = false);
+
+ //! Reads a data item from a device that has been written by writeDataToDevice().
+ /** If not enough data bytes are available, the function returns false and the QVariant reference
+ * remains untouched.
+ */
+ static bool readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item, bool compressed = false);
+
+ class ExtendedMetaObject;
+ ExtendedMetaObject *extendedMetaObject(const QMetaObject *meta) const;
+ ExtendedMetaObject *createExtendedMetaObject(const QMetaObject *meta);
+ inline ExtendedMetaObject *extendedMetaObject(const QObject *obj) const { return extendedMetaObject(metaObject(obj)); }
+ inline ExtendedMetaObject *createExtendedMetaObject(const QObject *obj) { return createExtendedMetaObject(metaObject(obj)); }
+
+ bool isSecure() const { return _secure; }
+ void dumpProxyStats();
+
+public slots:
+ void detachObject(QObject *obj);
+ void detachSignals(QObject *sender);
+ void detachSlots(QObject *receiver);
+ void stopSync(QObject *obj);
+
+protected:
+ void customEvent(QEvent *event);
+
+private slots:
+ void dataAvailable();
+ void removePeerBySender();
+ void objectRenamed(const QString &newname, const QString &oldname);
+ void objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname);
+ void sendHeartBeat();
+ void receiveHeartBeat(AbstractPeer *peer, const QVariantList ¶ms);
+ void receiveHeartBeatReply(AbstractPeer *peer, const QVariantList ¶ms);
+
+ void updateSecureState();