#ifndef SIGNALPROXY_H
#define SIGNALPROXY_H
+#include <QAbstractSocket>
#include <QEvent>
#include <QList>
#include <QHash>
#include <QVariant>
#include <QVariantMap>
#include <QPair>
+#include <QSet>
#include <QString>
#include <QByteArray>
#include <QTimer>
{
Q_OBJECT
- class AbstractPeer;
- class IODevicePeer;
- class SignalProxyPeer;
-
class SignalRelay;
public:
+ class AbstractPeer;
+
+ class SyncMessage;
+ class RpcCall;
+ class InitRequest;
+ class InitData;
+
enum ProxyMode {
Server,
Client
};
- enum RequestType {
- Sync = 1,
- RpcCall,
- InitRequest,
- InitData,
- HeartBeat,
- HeartBeatReply
- };
-
- enum CustomEvents {
- PeerSignal = QEvent::User,
- RemovePeer
+ enum EventType {
+ RemovePeerEvent = QEvent::User
};
SignalProxy(QObject *parent);
SignalProxy(ProxyMode mode, QObject *parent);
- SignalProxy(ProxyMode mode, QIODevice *device, QObject *parent);
virtual ~SignalProxy();
void setProxyMode(ProxyMode mode);
void setMaxHeartBeatCount(int max);
inline int maxHeartBeatCount() const { return _maxHeartBeatCount; }
- bool addPeer(QIODevice *iodev);
- bool addPeer(SignalProxy *proxy);
- void removePeer(QObject *peer);
- void removeAllPeers();
+ bool addPeer(AbstractPeer *peer);
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);
void stopSynchronize(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, bool checkConflicts = false);
bool isSecure() const { return _secure; }
void dumpProxyStats();
+ void dumpSyncMap(SyncableObject *object);
+ inline int peerCount() const { return _peers.size(); }
public slots:
void detachObject(QObject *obj);
void renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname);
private slots:
- void dataAvailable();
void removePeerBySender();
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();
signals:
- void peerRemoved(QIODevice *dev);
+ void peerRemoved(SignalProxy::AbstractPeer *peer);
void connected();
void disconnected();
void objectInitialized(SyncableObject *);
+ void heartBeatIntervalChanged(int secs);
+ void maxHeartBeatCountChanged(int max);
void lagUpdated(int lag);
- void securityChanged(bool);
void secureStateChanged(bool);
private:
+ template<class T>
+ class PeerMessageEvent;
+
void init();
void initServer();
void initClient();
static const QMetaObject *metaObject(const QObject *obj);
- void dispatchSignal(QIODevice *receiver, const RequestType &requestType, const QVariantList ¶ms);
- void dispatchSignal(const RequestType &requestType, const QVariantList ¶ms);
+ void removePeer(AbstractPeer *peer);
+ void removeAllPeers();
+
+ template<class T>
+ void dispatch(const T &protoMessage);
- void receivePackedFunc(AbstractPeer *sender, const QVariant &packedFunc);
- void receivePeerSignal(AbstractPeer *sender, const RequestType &requestType, const QVariantList ¶ms);
- void receivePeerSignal(SignalProxy *sender, const RequestType &requestType, const QVariantList ¶ms);
- void handleSync(AbstractPeer *sender, QVariantList params);
- void handleInitRequest(AbstractPeer *sender, const QVariantList ¶ms);
- void handleInitData(AbstractPeer *sender, const QVariantList ¶ms);
- void handleSignal(const QVariantList &data);
+ void handle(AbstractPeer *peer, const SyncMessage &syncMessage);
+ void handle(AbstractPeer *peer, const RpcCall &rpcCall);
+ void handle(AbstractPeer *peer, const InitRequest &initRequest);
+ void handle(AbstractPeer *peer, const InitData &initData);
bool invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue);
bool invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms = QVariantList());
QVariantMap initData(SyncableObject *obj) const;
void setInitData(SyncableObject *obj, const QVariantMap &properties);
- void updateLag(IODevicePeer *peer, int lag);
-
-public:
- void dumpSyncMap(SyncableObject *object);
- inline int peerCount() const { return _peers.size(); }
-
-private:
static void disconnectDevice(QIODevice *dev, const QString &reason = QString());
- // a Hash of the actual used communication object to it's corresponding peer
- // currently a communication object can either be an arbitrary QIODevice or another SignalProxy
- typedef QHash<QObject *, AbstractPeer *> PeerHash;
- PeerHash _peers;
+ QSet<AbstractPeer *> _peers;
// containg a list of argtypes for fast access
QHash<const QMetaObject *, ExtendedMetaObject *> _extendedMetaObjects;
QHash<QByteArray, ObjectId> _syncSlave;
ProxyMode _proxyMode;
- QTimer _heartBeatTimer;
int _heartBeatInterval;
int _maxHeartBeatCount;
friend class SignalRelay;
friend class SyncableObject;
+ friend class InternalConnection;
+ friend class RemoteConnection;
};
// ==================================================
-// Peers
+// AbstractPeer
// ==================================================
-class SignalProxy::AbstractPeer
+class SignalProxy::AbstractPeer : public QObject
{
+ Q_OBJECT
+
public:
- enum PeerType {
- NotAPeer = 0,
- IODevicePeer = 1,
- SignalProxyPeer = 2
- };
- AbstractPeer() : _type(NotAPeer) {}
- AbstractPeer(PeerType type) : _type(type) {}
- virtual ~AbstractPeer() {}
- inline PeerType type() const { return _type; }
- virtual void dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) = 0;
+ AbstractPeer(QObject *parent = 0) : QObject(parent) {}
+
+ virtual QString description() const = 0;
+
+ virtual void setSignalProxy(SignalProxy *proxy) = 0;
+
+ virtual bool isOpen() const = 0;
virtual bool isSecure() const = 0;
-private:
- PeerType _type;
+ virtual bool isLocal() const = 0;
+
+ virtual QString errorString() const { return QString(); }
+
+ virtual int lag() const = 0;
+
+public slots:
+ virtual void dispatch(const SyncMessage &msg) = 0;
+ virtual void dispatch(const RpcCall &msg) = 0;
+ virtual void dispatch(const InitRequest &msg) = 0;
+ virtual void dispatch(const InitData &msg) = 0;
+
+ virtual void close(const QString &reason = QString()) = 0;
+
+signals:
+ void disconnected();
+ void error(QAbstractSocket::SocketError);
+ void secureStateChanged(bool secure = true);
+ void lagUpdated(int msecs);
};
-class SignalProxy::IODevicePeer : public SignalProxy::AbstractPeer
+// ==================================================
+// Protocol Messages
+// ==================================================
+class SignalProxy::SyncMessage
{
public:
- IODevicePeer(QIODevice *device, bool compress) : AbstractPeer(AbstractPeer::IODevicePeer), _device(device), byteCount(0), usesCompression(compress), sentHeartBeats(0), lag(0) {}
- virtual void dispatchSignal(const RequestType &requestType, const QVariantList ¶ms);
- virtual bool isSecure() const;
- inline void dispatchPackedFunc(const QVariant &packedFunc) { SignalProxy::writeDataToDevice(_device, packedFunc, usesCompression); }
- QString address() const;
- inline bool isOpen() const { return _device->isOpen(); }
- inline void close() const { _device->close(); }
- inline bool readData(QVariant &item) { return SignalProxy::readDataFromDevice(_device, byteCount, item, usesCompression); }
+ inline SyncMessage(const QByteArray &className, const QString &objectName, const QByteArray &slotName, const QVariantList ¶ms)
+ : _className(className), _objectName(objectName), _slotName(slotName), _params(params) {}
+
+ inline QByteArray className() const { return _className; }
+ inline QString objectName() const { return _objectName; }
+ inline QByteArray slotName() const { return _slotName; }
+
+ inline QVariantList params() const { return _params; }
+
private:
- QIODevice *_device;
- quint32 byteCount;
- bool usesCompression;
+ QByteArray _className;
+ QString _objectName;
+ QByteArray _slotName;
+ QVariantList _params;
+};
+
+
+class SignalProxy::RpcCall
+{
public:
- int sentHeartBeats;
- int lag;
+ inline RpcCall(const QByteArray &slotName, const QVariantList ¶ms)
+ : _slotName(slotName), _params(params) {}
+
+ inline QByteArray slotName() const { return _slotName; }
+ inline QVariantList params() const { return _params; }
+
+private:
+ QByteArray _slotName;
+ QVariantList _params;
};
-class SignalProxy::SignalProxyPeer : public SignalProxy::AbstractPeer
+class SignalProxy::InitRequest
{
public:
- SignalProxyPeer(SignalProxy *sender, SignalProxy *receiver) : AbstractPeer(AbstractPeer::SignalProxyPeer), sender(sender), receiver(receiver) {}
- virtual void dispatchSignal(const RequestType &requestType, const QVariantList ¶ms);
- virtual inline bool isSecure() const { return true; }
+ inline InitRequest(const QByteArray &className, const QString &objectName)
+ : _className(className), _objectName(objectName) {}
+
+ inline QByteArray className() const { return _className; }
+ inline QString objectName() const { return _objectName; }
+
private:
- SignalProxy *sender;
- SignalProxy *receiver;
+ QByteArray _className;
+ QString _objectName;
};
+class SignalProxy::InitData
+{
+public:
+ inline InitData(const QByteArray &className, const QString &objectName, const QVariantMap &initData)
+ : _className(className), _objectName(objectName), _initData(initData) {}
+
+ inline QByteArray className() const { return _className; }
+ inline QString objectName() const { return _objectName; }
+
+ inline QVariantMap initData() const { return _initData; }
+
+private:
+ QByteArray _className;
+ QString _objectName;
+ QVariantMap _initData;
+};
+
#endif
projects / quassel.git / blobdiff