/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-09 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
#ifndef SIGNALPROXY_H
#define SIGNALPROXY_H
+#include <QEvent>
#include <QList>
#include <QHash>
#include <QVariant>
#include <QByteArray>
#include <QTimer>
-class SignalRelay;
class SyncableObject;
struct QMetaObject;
class AbstractPeer;
class IODevicePeer;
+ class SignalProxyPeer;
+
+ class SignalRelay;
public:
enum ProxyMode {
IODeviceConnection
};
+ enum CustomEvents {
+ PeerSignal = QEvent::User,
+ RemovePeer
+ };
+
SignalProxy(QObject *parent);
SignalProxy(ProxyMode mode, QObject *parent);
SignalProxy(ProxyMode mode, QIODevice *device, QObject *parent);
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);
-// 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
*/
static bool readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item, bool compressed = false);
- static QString methodBaseName(const QMetaMethod &method);
-
- const QList<int> &argTypes(QObject *obj, int methodId);
- const int &returnType(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);
- const QHash<int, int> &receiveMap(SyncableObject *obj);
- int updatedRemotelyId(SyncableObject *obj);
-
- typedef QHash<int, QList<int> > ArgHash;
- typedef QHash<int, QByteArray> MethodNameHash;
- struct ClassInfo {
- ArgHash argTypes;
- QHash<int, int> returnType;
- QHash<int, int> minArgCount;
- MethodNameHash methodNames;
- int updatedRemotelyId; // id of the updatedRemotely() signal - makes things faster
- QHash<QByteArray, int> syncMap;
- QHash<int, int> receiveMap;
- };
+ 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);
+ void syncCall(const SyncableObject *obj, ProxyMode modeType, const char *funcname, va_list ap);
private slots:
void dataAvailable();
- void detachSender();
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();
+
signals:
void peerRemoved(QIODevice *dev);
void connected();
void disconnected();
void objectInitialized(SyncableObject *);
void lagUpdated(int lag);
-
+ void securityChanged(bool);
+ void secureStateChanged(bool);
+
private:
void init();
void initServer();
void initClient();
-
- const QMetaObject *metaObject(QObject *obj);
- void createClassInfo(QObject *obj);
- void setArgTypes(QObject *obj, int methodId);
- void setReturnType(QObject *obj, int methodId);
- void setMinArgCount(QObject *obj, int methodId);
- void setMethodName(QObject *obj, int methodId);
- void setSyncMap(SyncableObject *obj);
- void setReceiveMap(SyncableObject *obj);
- void setUpdatedRemotelyId(SyncableObject *obj);
-
- bool methodsMatch(const QMetaMethod &signal, const QMetaMethod &slot) const;
+
+ 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);
bool invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue);
bool invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms = QVariantList());
+ void requestInit(SyncableObject *obj);
QVariantMap initData(SyncableObject *obj) const;
void setInitData(SyncableObject *obj, const QVariantMap &properties);
public:
void dumpSyncMap(SyncableObject *object);
inline int peerCount() const { return _peers.size(); }
-
+
private:
static void disconnectDevice(QIODevice *dev, const QString &reason = QString());
- class AbstractPeer {
- 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;
- private:
- PeerType _type;
- };
-
- class IODevicePeer : public AbstractPeer {
- 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);
- 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); }
- private:
- QIODevice *_device;
- quint32 byteCount;
- bool usesCompression;
- public:
- int sentHeartBeats;
- int lag;
- };
-
- class SignalProxyPeer : public AbstractPeer {
- public:
- SignalProxyPeer(SignalProxy *sender, SignalProxy *receiver) : AbstractPeer(AbstractPeer::SignalProxyPeer), sender(sender), receiver(receiver) {}
- virtual void dispatchSignal(const RequestType &requestType, const QVariantList ¶ms);
- private:
- SignalProxy *sender;
- SignalProxy *receiver;
- };
-
// 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;
// containg a list of argtypes for fast access
- QHash<const QMetaObject *, ClassInfo*> _classInfo;
+ QHash<const QMetaObject *, ExtendedMetaObject *> _extendedMetaObjects;
- // we use one SignalRelay per QObject
- QHash<QObject*, SignalRelay *> _relayHash;
+ // SignalRelay for all manually attached signals
+ SignalRelay *_signalRelay;
// RPC function -> (object, slot ID)
typedef QPair<QObject*, int> MethodId;
ProxyMode _proxyMode;
QTimer _heartBeatTimer;
-
+
+ bool _secure; // determines if all connections are in a secured state (using ssl or internal connections)
+
friend class SignalRelay;
+ friend class SyncableObject;
+};
+
+
+// ==================================================
+// ExtendedMetaObject
+// ==================================================
+class SignalProxy::ExtendedMetaObject {
+ class MethodDescriptor {
+ public:
+ MethodDescriptor(const QMetaMethod &method);
+ MethodDescriptor() : _returnType(-1), _minArgCount(-1), _receiverMode(SignalProxy::Client) {}
+
+ inline const QByteArray &methodName() const { return _methodName; }
+ inline const QList<int> &argTypes() const { return _argTypes; }
+ inline int returnType() const { return _returnType; }
+ inline int minArgCount() const { return _minArgCount; }
+ inline SignalProxy::ProxyMode receiverMode() const { return _receiverMode; }
+
+ private:
+ QByteArray _methodName;
+ QList<int> _argTypes;
+ int _returnType;
+ int _minArgCount;
+ SignalProxy::ProxyMode _receiverMode; // Only acceptable as a Sync Call if the receiving SignalProxy is in this mode.
+ };
+
+public:
+ ExtendedMetaObject(const QMetaObject *meta);
+
+ inline const QByteArray &methodName(int methodId) { return methodDescriptor(methodId).methodName(); }
+ inline const QList<int> &argTypes(int methodId) { return methodDescriptor(methodId).argTypes(); }
+ inline int returnType(int methodId) { return methodDescriptor(methodId).returnType(); }
+ inline int minArgCount(int methodId) { return methodDescriptor(methodId).minArgCount(); }
+ inline SignalProxy::ProxyMode receiverMode(int methodId) { return methodDescriptor(methodId).receiverMode(); }
+
+ inline int methodId(const QByteArray &methodName) { return _methodIds.contains(methodName) ? _methodIds[methodName] : -1; }
+
+ inline int updatedRemotelyId() { return _updatedRemotelyId; }
+
+ inline const QHash<QByteArray, int> &slotMap() { return _methodIds; }
+ const QHash<int, int> &receiveMap();
+
+ const QMetaObject *metaObject() const { return _meta; }
+
+ static QByteArray methodName(const QMetaMethod &method);
+ static QString ExtendedMetaObject::methodBaseName(const QMetaMethod &method);
+
+private:
+ const MethodDescriptor &methodDescriptor(int methodId);
+
+ const QMetaObject *_meta;
+ int _updatedRemotelyId; // id of the updatedRemotely() signal - makes things faster
+
+ QHash<int, MethodDescriptor> _methods;
+ QHash<QByteArray, int> _methodIds;
+ QHash<int, int> _receiveMap; // if slot x is called then hand over the result to slot y
+};
+
+
+// ==================================================
+// Peers
+// ==================================================
+class SignalProxy::AbstractPeer {
+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;
+ virtual bool isSecure() const = 0;
+private:
+ PeerType _type;
+};
+
+class SignalProxy::IODevicePeer : public SignalProxy::AbstractPeer {
+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); }
+private:
+ QIODevice *_device;
+ quint32 byteCount;
+ bool usesCompression;
+public:
+ int sentHeartBeats;
+ int lag;
+};
+
+class SignalProxy::SignalProxyPeer : public SignalProxy::AbstractPeer {
+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; }
+private:
+ SignalProxy *sender;
+ SignalProxy *receiver;
};
#endif
projects / quassel.git / blobdiff