/***************************************************************************
- * Copyright (C) 2005-07 by The Quassel IRC Development 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 *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
-#ifndef _RPCPEER_H_
-#define _RPCPEER_H_
+#ifndef _SIGNALPROXY_H_
+#define _SIGNALPROXY_H_
-#include "qxtrpcpeer.h"
-#include <QtCore>
+#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
- public:
-
- enum ProxyType { Client, Server };
-
- SignalProxy(ProxyType type, QIODevice *device = 0, QObject *parent = 0);
- ~SignalProxy();
-
- void attachSignal(QObject* sender, const char* signal, const QByteArray& rpcFunction = QByteArray());
- void attachSlot(const QByteArray& rpcFunction, QObject* recv, const char* slot);
+public:
+ enum ProxyMode {
+ Server,
+ Client
+ };
+
+ 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);
+ ProxyMode proxyMode() const;
+
+ 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);
+
+ 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 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);
+
+ 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;
+ int updatedRemotelyId; // id of the updatedRemotely() signal - makes things faster
+ QHash<QByteArray, int> syncMap;
+ };
+
+ void dumpProxyStats();
+
+private slots:
+ 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 connected();
+ void disconnected();
+ void objectInitialized(SyncableObject *);
+
+private:
+ void initServer();
+ void initClient();
+
+ void createClassInfo(QObject *obj);
+ 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);
- public slots:
- void addPeer(QIODevice *device);
+ bool methodsMatch(const QMetaMethod &signal, const QMetaMethod &slot) const;
- void sendSignal(const char *signal, QVariant p1 = QVariant(), QVariant p2 = QVariant(), QVariant p3 = QVariant(), QVariant p4 = QVariant(),
- QVariant p5 = QVariant(), QVariant p6 = QVariant(), QVariant p7 = QVariant(), QVariant p8 = QVariant(), QVariant p9 = QVariant());
+ void dispatchSignal(QIODevice *receiver, const RequestType &requestType, const QVariantList ¶ms);
+ void dispatchSignal(const RequestType &requestType, const QVariantList ¶ms);
- //void detachSender();
- void detachObject(QObject *);
+ 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);
- signals:
- void peerDisconnected();
+ bool invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms = QVariantList());
- private slots:
- void socketDisconnected();
+ QVariantMap initData(SyncableObject *obj) const;
+ void setInitData(SyncableObject *obj, const QVariantMap &properties);
- private:
- struct Connection {
- QPointer<QxtRPCPeer> peer;
- QPointer<QIODevice> device;
- };
+public:
+ void dumpSyncMap(SyncableObject *object);
+
+private:
+ // Hash of used QIODevices
+ QHash<QIODevice*, quint32> _peerByteCount;
- struct SignalDesc {
- QObject *sender;
- const char *signal;
- QByteArray rpcFunction;
+ // containg a list of argtypes for fast access
+ QHash<const QMetaObject *, ClassInfo*> _classInfo;
- SignalDesc(QObject *sndr, const char *sig, const QByteArray &func) : sender(sndr), signal(sig), rpcFunction(func) {}
- };
+ // we use one SignalRelay per QObject
+ QHash<QObject*, SignalRelay *> _relayHash;
- struct SlotDesc {
- QByteArray rpcFunction;
- QObject *recv;
- const char *slot;
+ // RPC function -> (object, slot ID)
+ typedef QPair<QObject*, int> MethodId;
+ typedef QMultiHash<QByteArray, MethodId> SlotHash;
+ SlotHash _attachedSlots;
- SlotDesc(const QByteArray& func, QObject* r, const char* s) : rpcFunction(func), recv(r), slot(s) {}
- };
+ // slaves for sync
+ typedef QHash<QString, SyncableObject *> ObjectId;
+ QHash<QByteArray, ObjectId> _syncSlave;
- ProxyType type;
- QList<Connection> peers;
- QList<SignalDesc> attachedSignals;
- QList<SlotDesc> attachedSlots;
+ ProxyMode _proxyMode;
+ QTimer _heartBeatTimer;
+
+ friend class SignalRelay;
};
-
-
#endif
projects / quassel.git / blobdiff