X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcommon%2Fsignalproxy.h;h=9297ae8127d1505733249e953fdc7875547430f1;hp=0b51125e3d8884a36980cfd3a6ea9fe79427001d;hb=2a89d1b0c473f92c5cf9fb803d99e8b51b2c68e7;hpb=8f6eddce9d6375240c60860752e952aa1b2e3a84 diff --git a/src/common/signalproxy.h b/src/common/signalproxy.h index 0b51125e..9297ae81 100644 --- a/src/common/signalproxy.h +++ b/src/common/signalproxy.h @@ -1,11 +1,11 @@ /*************************************************************************** - * Copyright (C) 2005-07 by the Quassel IRC Team * + * Copyright (C) 2005-2013 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 * @@ -15,118 +15,214 @@ * You should have received a copy of the GNU General Public License * * 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 . 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. * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * ***************************************************************************/ -#ifndef _SIGNALPROXY_H_ -#define _SIGNALPROXY_H_ +#ifndef SIGNALPROXY_H +#define SIGNALPROXY_H + +#include +#include + +#include "protocol.h" -#include -#include -#include -#include -#include -#include +struct QMetaObject; -class SignalRelay; +class Peer; +class SyncableObject; -class SignalProxy : public QObject { - Q_OBJECT +class SignalProxy : public QObject +{ + Q_OBJECT + + class SignalRelay; public: - enum ProxyMode { - Server, - Client - }; - - 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 maxPeersReached(); - - 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 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); - - static void writeDataToDevice(QIODevice *dev, const QVariant &item); - static bool readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item); - - const QList &argTypes(QObject* obj, int methodId); - const QByteArray &methodName(QObject* obj, int methodId); - - typedef QHash > ArgHash; - typedef QHash MethodNameHash; - struct ClassInfo { - ArgHash argTypes; - MethodNameHash methodNames; - // QHash syncMap - }; - + enum ProxyMode { + Server, + Client + }; + + enum EventType { + RemovePeerEvent = QEvent::User + }; + + SignalProxy(QObject *parent); + SignalProxy(ProxyMode mode, QObject *parent); + virtual ~SignalProxy(); + + void setProxyMode(ProxyMode mode); + inline ProxyMode proxyMode() const { return _proxyMode; } + + void setHeartBeatInterval(int secs); + inline int heartBeatInterval() const { return _heartBeatInterval; } + void setMaxHeartBeatCount(int max); + inline int maxHeartBeatCount() const { return _maxHeartBeatCount; } + + bool addPeer(Peer *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); + + class ExtendedMetaObject; + ExtendedMetaObject *extendedMetaObject(const QMetaObject *meta) const; + ExtendedMetaObject *createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts = false); + inline ExtendedMetaObject *extendedMetaObject(const QObject *obj) const { return extendedMetaObject(metaObject(obj)); } + inline ExtendedMetaObject *createExtendedMetaObject(const QObject *obj, bool checkConflicts = false) { return createExtendedMetaObject(metaObject(obj), checkConflicts); } + + 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 detachSignals(QObject *sender); + void detachSlots(QObject *receiver); + +protected: + void customEvent(QEvent *event); + void sync_call__(const SyncableObject *obj, ProxyMode modeType, const char *funcname, va_list ap); + void renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname); + private slots: - void dataAvailable(); - void detachSender(); - void removePeerBySender(); + void removePeerBySender(); + void objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname); + void updateSecureState(); signals: - void peerRemoved(QIODevice* obj); - void connected(); - void disconnected(); - + void peerRemoved(Peer *peer); + void connected(); + void disconnected(); + void objectInitialized(SyncableObject *); + void heartBeatIntervalChanged(int secs); + void maxHeartBeatCountChanged(int max); + void lagUpdated(int lag); + void secureStateChanged(bool); + private: - void createClassInfo(QObject *obj); - void setArgTypes(QObject* obj, int methodId); - void setMethodName(QObject* obj, int methodId); + template + class PeerMessageEvent; + + void init(); + void initServer(); + void initClient(); + + static const QMetaObject *metaObject(const QObject *obj); + + void removePeer(Peer *peer); + void removeAllPeers(); - void receivePeerSignal(const QVariant &packedFunc); + template + void dispatch(const T &protoMessage); + template + void dispatch(Peer *peer, const T &protoMessage); - void _detachSignals(QObject *sender); - void _detachSlots(QObject *receiver); + void handle(Peer *peer, const Protocol::SyncMessage &syncMessage); + void handle(Peer *peer, const Protocol::RpcCall &rpcCall); + void handle(Peer *peer, const Protocol::InitRequest &initRequest); + void handle(Peer *peer, const Protocol::InitData &initData); - // containg a list of argtypes for fast access - QHash _classInfo; + template + void handle(Peer *, T) { Q_ASSERT(0); } - // we use one SignalRelay per QObject - QHash _relayHash; + bool invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue, Peer *peer = 0); + bool invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms = QVariantList(), Peer *peer = 0); - // RPC function -> (object, slot ID) - typedef QPair MethodId; - typedef QMultiHash SlotHash; - SlotHash _attachedSlots; - + void requestInit(SyncableObject *obj); + QVariantMap initData(SyncableObject *obj) const; + void setInitData(SyncableObject *obj, const QVariantMap &properties); - // Hash of used QIODevices - QHash _peerByteCount; + static void disconnectDevice(QIODevice *dev, const QString &reason = QString()); - ProxyMode _proxyMode; - int _maxClients; + QSet _peers; + + // containg a list of argtypes for fast access + QHash _extendedMetaObjects; + + // SignalRelay for all manually attached signals + SignalRelay *_signalRelay; + + // RPC function -> (object, slot ID) + typedef QPair MethodId; + typedef QMultiHash SlotHash; + SlotHash _attachedSlots; + + // slaves for sync + typedef QHash ObjectId; + QHash _syncSlave; + + ProxyMode _proxyMode; + int _heartBeatInterval; + int _maxHeartBeatCount; + + bool _secure; // determines if all connections are in a secured state (using ssl or internal connections) + + friend class SignalRelay; + friend class SyncableObject; + friend class Peer; }; +// ================================================== +// 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 &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 _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, bool checkConflicts); + + inline const QByteArray &methodName(int methodId) { return methodDescriptor(methodId).methodName(); } + inline const QList &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 &slotMap() { return _methodIds; } + const QHash &receiveMap(); + + const QMetaObject *metaObject() const { return _meta; } + static QByteArray methodName(const QMetaMethod &method); + static QString methodBaseName(const QMetaMethod &method); + +private: + const MethodDescriptor &methodDescriptor(int methodId); + + const QMetaObject *_meta; + int _updatedRemotelyId; // id of the updatedRemotely() signal - makes things faster + + QHash _methods; + QHash _methodIds; + QHash _receiveMap; // if slot x is called then hand over the result to slot y +}; #endif