/***************************************************************************
- * Copyright (C) 2005-07 by the Quassel IRC Team *
+ * Copyright (C) 2005-08 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
+ * (at your option) version 3. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************
- * SignalProxy has been inspired by QxtRPCPeer, part of libqxt, *
- * the Qt eXTension Library <http://www.libqxt.org>. We would like to *
- * thank Arvid "aep" Picciani and Adam "ahigerd" Higerd for providing *
- * QxtRPCPeer, valuable input and the genius idea to (ab)use Qt's *
- * Meta Object System for transmitting signals over the network. *
- * *
- * To make contribution back into libqxt possible, redistribution and *
- * modification of this file is additionally allowed under the terms of *
- * the Common Public License, version 1.0, as published by IBM. *
***************************************************************************/
#ifndef _SIGNALPROXY_H_
#include <QList>
#include <QHash>
#include <QVariant>
+#include <QVariantMap>
#include <QPair>
#include <QString>
#include <QByteArray>
+#include <QTimer>
class SignalRelay;
+class SyncableObject;
+class QMetaObject;
class SignalProxy : public QObject {
Q_OBJECT
Client
};
- SignalProxy(QObject* parent);
- SignalProxy(ProxyMode mode, QObject* parent);
- SignalProxy(ProxyMode mode, QIODevice* device, QObject* parent);
+ enum RequestType {
+ Sync = 1,
+ RpcCall,
+ InitRequest,
+ InitData,
+ HeartBeat
+ };
+
+ SignalProxy(QObject *parent);
+ SignalProxy(ProxyMode mode, QObject *parent);
+ SignalProxy(ProxyMode mode, QIODevice *device, QObject *parent);
virtual ~SignalProxy();
void setProxyMode(ProxyMode mode);
bool addPeer(QIODevice *iodev);
void removePeer(QIODevice *iodev = 0);
- bool attachSignal(QObject* sender, const char* signal, const QByteArray& sigName = QByteArray());
- bool attachSlot(const QByteArray& sigName, QObject* recv, const char* slot);
+ 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 setInitialized(SyncableObject *obj);
+ bool isInitialized(SyncableObject *obj) const;
+ void requestInit(SyncableObject *obj);
void detachObject(QObject *obj);
void detachSignals(QObject *sender);
void detachSlots(QObject *receiver);
-
- void call(const char *signal , QVariant p1, QVariant p2, QVariant p3, QVariant p4,
- QVariant p5, QVariant p6, QVariant p7, QVariant p8, QVariant p9);
- void call(const QByteArray &funcName, const QVariantList ¶ms);
+ void stopSync(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);
+
+ //! 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);
-
- const QList<int> &argTypes(QObject* obj, int methodId);
- const QByteArray &methodName(QObject* obj, int methodId);
-
+
+ static QString methodBaseName(const QMetaMethod &method);
+
+ const QList<int> &argTypes(QObject *obj, int methodId);
+ const int &minArgCount(QObject *obj, int methodId);
+ const QByteArray &methodName(QObject *obj, int methodId);
+ const QHash<QByteArray, int> &syncMap(SyncableObject *obj);
+ int updatedRemotelyId(SyncableObject *obj);
+
typedef QHash<int, QList<int> > ArgHash;
typedef QHash<int, QByteArray> MethodNameHash;
struct ClassInfo {
ArgHash argTypes;
+ QHash<int, int> minArgCount;
MethodNameHash methodNames;
- // QHash<int, int> syncMap
+ int updatedRemotelyId; // id of the updatedRemotely() signal - makes things faster
+ QHash<QByteArray, int> syncMap;
};
void dumpProxyStats();
void dataAvailable();
void detachSender();
void removePeerBySender();
+ void objectRenamed(QString oldname, QString newname);
+ void objectRenamed(QByteArray classname, QString oldname, QString newname);
+ void sendHeartBeat();
signals:
- void peerRemoved(QIODevice* obj);
+ void peerRemoved(QIODevice *obj);
void connected();
void disconnected();
+ void objectInitialized(SyncableObject *);
private:
+ void initServer();
+ void initClient();
+
void createClassInfo(QObject *obj);
- void setArgTypes(QObject* obj, int methodId);
- void setMethodName(QObject* obj, int methodId);
+ void setArgTypes(QObject *obj, int methodId);
+ void setMinArgCount(QObject *obj, int methodId);
+ void setMethodName(QObject *obj, int methodId);
+ void setSyncMap(SyncableObject *obj);
+ void setUpdatedRemotelyId(QObject *obj);
+
+ bool methodsMatch(const QMetaMethod &signal, const QMetaMethod &slot) const;
+
+ void dispatchSignal(QIODevice *receiver, const RequestType &requestType, const QVariantList ¶ms);
+ void dispatchSignal(const RequestType &requestType, const QVariantList ¶ms);
+
+ void receivePeerSignal(QIODevice *sender, const QVariant &packedFunc);
+ void handleSync(QVariantList params);
+ void handleInitRequest(QIODevice *sender, const QVariantList ¶ms);
+ void handleInitData(QIODevice *sender, const QVariantList ¶ms);
+ void handleSignal(const QByteArray &funcName, const QVariantList ¶ms);
+
+ bool invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms = QVariantList());
- void receivePeerSignal(const QVariant &packedFunc);
+ QVariantMap initData(SyncableObject *obj) const;
+ void setInitData(SyncableObject *obj, const QVariantMap &properties);
- void _detachSignals(QObject *sender);
- void _detachSlots(QObject *receiver);
+public:
+ void dumpSyncMap(SyncableObject *object);
+
+private:
+ // Hash of used QIODevices
+ QHash<QIODevice*, quint32> _peerByteCount;
// containg a list of argtypes for fast access
- QHash<QByteArray, ClassInfo*> _classInfo;
+ QHash<const QMetaObject *, ClassInfo*> _classInfo;
// we use one SignalRelay per QObject
QHash<QObject*, SignalRelay *> _relayHash;
typedef QPair<QObject*, int> MethodId;
typedef QMultiHash<QByteArray, MethodId> SlotHash;
SlotHash _attachedSlots;
-
- // Hash of used QIODevices
- QHash<QIODevice*, quint32> _peerByteCount;
+ // slaves for sync
+ typedef QHash<QString, SyncableObject *> ObjectId;
+ QHash<QByteArray, ObjectId> _syncSlave;
+
ProxyMode _proxyMode;
+ QTimer _heartBeatTimer;
+
+ friend class SignalRelay;
};
-
-
-
#endif
projects / quassel.git / blobdiff