/***************************************************************************
- * Copyright (C) 2005-07 by The Quassel IRC Development Team *
+ * Copyright (C) 2005-07 by the Quassel IRC Team *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* 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 _RPCPEER_H_
-#define _RPCPEER_H_
+#ifndef _SIGNALPROXY_H_
+#define _SIGNALPROXY_H_
+
+#include <QList>
+#include <QHash>
+#include <QVariant>
+#include <QPair>
+#include <QString>
+#include <QByteArray>
-#include "qxtrpcpeer.h"
-#include <QtCore>
+class SignalRelay;
class SignalProxy : public QObject {
Q_OBJECT
- public:
+public:
+ enum ProxyMode {
+ Server,
+ Client
+ };
- enum ProxyType { Client, Server };
+ SignalProxy(QObject* parent);
+ SignalProxy(ProxyMode mode, QObject* parent);
+ SignalProxy(ProxyMode mode, QIODevice* device, QObject* parent);
+ virtual ~SignalProxy();
- SignalProxy(ProxyType type, QIODevice *device = 0, QObject *parent = 0);
- ~SignalProxy();
+ void setProxyMode(ProxyMode mode);
+ ProxyMode proxyMode() const;
- ProxyType proxyType() const { return type; }
- void attachSignal(QObject* sender, const char* signal, const QByteArray& rpcFunction = QByteArray());
- void attachSlot(const QByteArray& rpcFunction, QObject* recv, const char* slot);
+ bool maxPeersReached();
+
+ bool addPeer(QIODevice *iodev);
+ void removePeer(QIODevice *iodev = 0);
- public slots:
- void addPeer(QIODevice *device);
+ bool attachSignal(QObject* sender, const char* signal, const QByteArray& sigName = QByteArray());
+ bool attachSlot(const QByteArray& sigName, QObject* recv, const char* slot);
- 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 detachObject(QObject *obj);
+ void detachSignals(QObject *sender);
+ void detachSlots(QObject *receiver);
- //void detachSender();
- void detachObject(QObject *);
+ 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);
- signals:
- void peerDisconnected();
-
- private slots:
- void socketDisconnected();
+ static void writeDataToDevice(QIODevice *dev, const QVariant &item);
+ static bool readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item);
+
+ const QList<int> &argTypes(QObject* obj, int methodId);
+ const QByteArray &methodName(QObject* obj, int methodId);
+
+ typedef QHash<int, QList<int> > ArgHash;
+ typedef QHash<int, QByteArray> MethodNameHash;
+ struct ClassInfo {
+ ArgHash argTypes;
+ MethodNameHash methodNames;
+ // QHash<int, int> syncMap
+ };
+
+private slots:
+ void dataAvailable();
+ void detachSender();
+ void removePeerBySender();
+
+signals:
+ void peerRemoved(QIODevice* obj);
+ void connected();
+ void disconnected();
+
+private:
+ void createClassInfo(QObject *obj);
+ void setArgTypes(QObject* obj, int methodId);
+ void setMethodName(QObject* obj, int methodId);
- private:
- struct Connection {
- QPointer<QxtRPCPeer> peer;
- QPointer<QIODevice> device;
- };
+ void receivePeerSignal(const QVariant &packedFunc);
- struct SignalDesc {
- QObject *sender;
- QByteArray signal;
- QByteArray rpcFunction;
+ void _detachSignals(QObject *sender);
+ void _detachSlots(QObject *receiver);
- SignalDesc(QObject *sndr, const char *sig, const QByteArray &func) : sender(sndr), signal(sig), rpcFunction(func) {}
- };
+ // containg a list of argtypes for fast access
+ QHash<QByteArray, ClassInfo*> _classInfo;
- struct SlotDesc {
- QByteArray rpcFunction;
- QObject *recv;
- QByteArray slot;
+ // we use one SignalRelay per QObject
+ QHash<QObject*, SignalRelay *> _relayHash;
- SlotDesc(const QByteArray& func, QObject* r, const char* s) : rpcFunction(func), recv(r), slot(s) {}
- };
+ // RPC function -> (object, slot ID)
+ typedef QPair<QObject*, int> MethodId;
+ typedef QMultiHash<QByteArray, MethodId> SlotHash;
+ SlotHash _attachedSlots;
+
- ProxyType type;
- QList<Connection> peers;
- QList<SignalDesc> attachedSignals;
- QList<SlotDesc> attachedSlots;
+ // Hash of used QIODevices
+ QHash<QIODevice*, quint32> _peerByteCount;
+ ProxyMode _proxyMode;
+ int _maxClients;
};
+
#endif