1 /***************************************************************************
2 * Copyright (C) 2005-2016 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
21 #include <QCoreApplication>
22 #include <QHostAddress>
23 #include <QMetaMethod>
24 #include <QMetaProperty>
31 #include "signalproxy.h"
35 #include "syncableobject.h"
39 using namespace Protocol;
41 class RemovePeerEvent : public QEvent
44 RemovePeerEvent(Peer *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeerEvent)), peer(peer) {}
49 // ==================================================
51 // ==================================================
52 class SignalProxy::SignalRelay : public QObject
54 /* Q_OBJECT is not necessary or even allowed, because we implement
55 qt_metacall ourselves (and don't use any other features of the meta
59 SignalRelay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
60 inline SignalProxy *proxy() const { return _proxy; }
62 int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
64 void attachSignal(QObject *sender, int signalId, const QByteArray &funcName);
65 void detachSignal(QObject *sender, int signalId = -1);
72 Signal(QObject *sender, int sigId, const QByteArray &signature) : sender(sender), signalId(sigId), signature(signature) {}
73 Signal() : sender(0), signalId(-1) {}
77 QHash<int, Signal> _slots;
81 void SignalProxy::SignalRelay::attachSignal(QObject *sender, int signalId, const QByteArray &funcName)
83 // we ride without safetybelts here... all checking for valid method etc pp has to be done by the caller
84 // all connected methodIds are offset by the standard methodCount of QObject
86 for (int i = 0;; i++) {
87 if (!_slots.contains(i)) {
94 if (!funcName.isEmpty()) {
95 fn = QMetaObject::normalizedSignature(funcName);
98 fn = SIGNAL(fakeMethodSignature());
99 #if QT_VERSION >= 0x050000
100 fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).methodSignature());
102 fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).signature());
106 _slots[slotId] = Signal(sender, signalId, fn);
108 QMetaObject::connect(sender, signalId, this, QObject::staticMetaObject.methodCount() + slotId);
112 void SignalProxy::SignalRelay::detachSignal(QObject *sender, int signalId)
114 QHash<int, Signal>::iterator slotIter = _slots.begin();
115 while (slotIter != _slots.end()) {
116 if (slotIter->sender == sender && (signalId == -1 || slotIter->signalId == signalId)) {
117 slotIter = _slots.erase(slotIter);
128 int SignalProxy::SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
130 _id = QObject::qt_metacall(_c, _id, _a);
134 if (_c == QMetaObject::InvokeMetaMethod) {
135 if (_slots.contains(_id)) {
136 QObject *caller = sender();
138 SignalProxy::ExtendedMetaObject *eMeta = proxy()->extendedMetaObject(caller->metaObject());
141 const Signal &signal = _slots[_id];
145 const QList<int> &argTypes = eMeta->argTypes(signal.signalId);
146 for (int i = 0; i < argTypes.size(); i++) {
147 if (argTypes[i] == 0) {
148 #if QT_VERSION >= 0x050000
149 qWarning() << "SignalRelay::qt_metacall(): received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(caller->metaObject()->className()).arg(caller->metaObject()->method(signal.signalId).methodSignature().constData());
151 qWarning() << "SignalRelay::qt_metacall(): received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(caller->metaObject()->className()).arg(caller->metaObject()->method(signal.signalId).signature());
153 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
156 params << QVariant(argTypes[i], _a[i+1]);
159 if (proxy()->_restrictMessageTarget) {
160 for (auto peer : proxy()->_restrictedTargets) {
162 proxy()->dispatch(peer, RpcCall(signal.signature, params));
165 proxy()->dispatch(RpcCall(signal.signature, params));
167 _id -= _slots.count();
173 // ==================================================
175 // ==================================================
176 SignalProxy::SignalProxy(QObject *parent)
179 setProxyMode(Client);
184 SignalProxy::SignalProxy(ProxyMode mode, QObject *parent)
192 SignalProxy::~SignalProxy()
194 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
195 while (classIter != _syncSlave.end()) {
196 ObjectId::iterator objIter = classIter->begin();
197 while (objIter != classIter->end()) {
198 SyncableObject *obj = objIter.value();
199 objIter = classIter->erase(objIter);
200 obj->stopSynchronize(this);
210 void SignalProxy::setProxyMode(ProxyMode mode)
212 if (_peers.count()) {
213 qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
225 void SignalProxy::init()
227 _heartBeatInterval = 0;
228 _maxHeartBeatCount = 0;
229 _signalRelay = new SignalRelay(this);
230 setHeartBeatInterval(30);
231 setMaxHeartBeatCount(2);
237 void SignalProxy::initServer()
242 void SignalProxy::initClient()
244 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
248 void SignalProxy::setHeartBeatInterval(int secs)
250 if (_heartBeatInterval != secs) {
251 _heartBeatInterval = secs;
252 emit heartBeatIntervalChanged(secs);
257 void SignalProxy::setMaxHeartBeatCount(int max)
259 if (_maxHeartBeatCount != max) {
260 _maxHeartBeatCount = max;
261 emit maxHeartBeatCountChanged(max);
266 bool SignalProxy::addPeer(Peer *peer)
271 if (_peers.contains(peer))
274 if (!peer->isOpen()) {
275 qWarning("SignalProxy: peer needs to be open!");
279 if (proxyMode() == Client) {
280 if (!_peers.isEmpty()) {
281 qWarning("SignalProxy: only one peer allowed in client mode!");
284 connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
287 connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
288 connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
291 peer->setParent(this);
294 peer->_id = nextPeerId();
295 peer->_connectedSince = QDateTime::currentDateTimeUtc();
299 _peerMap[peer->_id] = peer;
301 peer->setSignalProxy(this);
303 if (_peers.count() == 1)
311 void SignalProxy::removeAllPeers()
313 Q_ASSERT(proxyMode() == Server || _peers.count() <= 1);
314 // wee need to copy that list since we modify it in the loop
315 QSet<Peer *> peers = _peers;
316 foreach(Peer *peer, peers) {
322 void SignalProxy::removePeer(Peer *peer)
325 qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
329 if (_peers.isEmpty()) {
330 qWarning() << "SignalProxy::removePeer(): No peers in use!";
334 if (!_peers.contains(peer)) {
335 qWarning() << "SignalProxy: unknown Peer" << peer;
339 disconnect(peer, 0, this, 0);
340 peer->setSignalProxy(0);
342 _peerMap.remove(peer->_id);
344 emit peerRemoved(peer);
346 if (peer->parent() == this)
351 if (_peers.isEmpty())
356 void SignalProxy::removePeerBySender()
358 removePeer(qobject_cast<Peer *>(sender()));
362 void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname)
364 if (proxyMode() == Client)
367 const QMetaObject *meta = obj->syncMetaObject();
368 const QByteArray className(meta->className());
369 objectRenamed(className, newname, oldname);
371 dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
375 void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname)
377 if (_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
378 SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
384 const QMetaObject *SignalProxy::metaObject(const QObject *obj)
386 if (const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(obj))
387 return syncObject->syncMetaObject();
389 return obj->metaObject();
393 SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const
395 if (_extendedMetaObjects.contains(meta))
396 return _extendedMetaObjects[meta];
402 SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
404 if (!_extendedMetaObjects.contains(meta)) {
405 _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
407 return _extendedMetaObjects[meta];
411 bool SignalProxy::attachSignal(QObject *sender, const char *signal, const QByteArray &sigName)
413 const QMetaObject *meta = sender->metaObject();
414 QByteArray sig(meta->normalizedSignature(signal).mid(1));
415 int methodId = meta->indexOfMethod(sig.constData());
416 if (methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
417 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
421 createExtendedMetaObject(meta);
422 _signalRelay->attachSignal(sender, methodId, sigName);
424 disconnect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
425 connect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
430 bool SignalProxy::attachSlot(const QByteArray &sigName, QObject *recv, const char *slot)
432 const QMetaObject *meta = recv->metaObject();
433 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
434 if (methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
435 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
439 createExtendedMetaObject(meta);
441 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
442 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
444 disconnect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
445 connect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
450 void SignalProxy::synchronize(SyncableObject *obj)
452 createExtendedMetaObject(obj, true);
454 // attaching as slave to receive sync Calls
455 QByteArray className(obj->syncMetaObject()->className());
456 _syncSlave[className][obj->objectName()] = obj;
458 if (proxyMode() == Server) {
459 obj->setInitialized();
460 emit objectInitialized(obj);
463 if (obj->isInitialized())
464 emit objectInitialized(obj);
469 obj->synchronize(this);
473 void SignalProxy::detachObject(QObject *obj)
480 void SignalProxy::detachSignals(QObject *sender)
482 _signalRelay->detachSignal(sender);
486 void SignalProxy::detachSlots(QObject *receiver)
488 SlotHash::iterator slotIter = _attachedSlots.begin();
489 while (slotIter != _attachedSlots.end()) {
490 if (slotIter.value().first == receiver) {
491 slotIter = _attachedSlots.erase(slotIter);
499 void SignalProxy::stopSynchronize(SyncableObject *obj)
501 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
502 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
503 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
504 while (classIter != _syncSlave.end()) {
505 if (classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
506 classIter->remove(obj->objectName());
511 obj->stopSynchronize(this);
516 void SignalProxy::dispatch(const T &protoMessage)
518 foreach (Peer *peer, _peers) {
520 peer->dispatch(protoMessage);
522 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
528 void SignalProxy::dispatch(Peer *peer, const T &protoMessage)
530 if (peer && peer->isOpen())
531 peer->dispatch(protoMessage);
533 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
537 void SignalProxy::handle(Peer *peer, const SyncMessage &syncMessage)
539 if (!_syncSlave.contains(syncMessage.className) || !_syncSlave[syncMessage.className].contains(syncMessage.objectName)) {
540 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
541 << syncMessage.params;
545 SyncableObject *receiver = _syncSlave[syncMessage.className][syncMessage.objectName];
546 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
547 if (!eMeta->slotMap().contains(syncMessage.slotName)) {
548 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
549 << syncMessage.params;
553 int slotId = eMeta->slotMap()[syncMessage.slotName];
554 if (proxyMode() != eMeta->receiverMode(slotId)) {
555 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
559 // We can no longer construct a QVariant from QMetaType::Void
560 QVariant returnValue;
561 int returnType = eMeta->returnType(slotId);
562 if (returnType != QMetaType::Void)
563 returnValue = QVariant(static_cast<QVariant::Type>(returnType));
565 if (!invokeSlot(receiver, slotId, syncMessage.params, returnValue, peer)) {
566 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
570 if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
571 int receiverId = eMeta->receiveMap()[slotId];
572 QVariantList returnParams;
573 if (eMeta->argTypes(receiverId).count() > 1)
574 returnParams << syncMessage.params;
575 returnParams << returnValue;
576 peer->dispatch(SyncMessage(syncMessage.className, syncMessage.objectName, eMeta->methodName(receiverId), returnParams));
579 // send emit update signal
580 invokeSlot(receiver, eMeta->updatedRemotelyId());
584 void SignalProxy::handle(Peer *peer, const InitRequest &initRequest)
586 if (!_syncSlave.contains(initRequest.className)) {
587 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
588 << initRequest.className;
592 if (!_syncSlave[initRequest.className].contains(initRequest.objectName)) {
593 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
594 << initRequest.className << initRequest.objectName;
598 SyncableObject *obj = _syncSlave[initRequest.className][initRequest.objectName];
599 peer->dispatch(InitData(initRequest.className, initRequest.objectName, initData(obj)));
603 void SignalProxy::handle(Peer *peer, const InitData &initData)
607 if (!_syncSlave.contains(initData.className)) {
608 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
609 << initData.className;
613 if (!_syncSlave[initData.className].contains(initData.objectName)) {
614 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
615 << initData.className << initData.objectName;
619 SyncableObject *obj = _syncSlave[initData.className][initData.objectName];
620 setInitData(obj, initData.initData);
624 void SignalProxy::handle(Peer *peer, const RpcCall &rpcCall)
628 SlotHash::const_iterator slot = _attachedSlots.constFind(rpcCall.slotName);
629 while (slot != _attachedSlots.constEnd() && slot.key() == rpcCall.slotName) {
630 receiver = (*slot).first;
631 methodId = (*slot).second;
632 if (!invokeSlot(receiver, methodId, rpcCall.params, peer)) {
633 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
634 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
641 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue, Peer *peer)
643 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
644 const QList<int> args = eMeta->argTypes(methodId);
645 const int numArgs = params.count() < args.count()
649 if (eMeta->minArgCount(methodId) > params.count()) {
650 qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << eMeta->methodName(methodId);
654 void *_a[] = { 0, // return type...
655 0, 0, 0, 0, 0, // and 10 args - that's the max size qt can handle with signals and slots
658 // check for argument compatibility and build params array
659 for (int i = 0; i < numArgs; i++) {
660 if (!params[i].isValid()) {
661 #if QT_VERSION >= 0x050000
662 qWarning() << "SignalProxy::invokeSlot(): received invalid data for argument number" << i << "of method" << QString("%1::%2()").arg(receiver->metaObject()->className()).arg(receiver->metaObject()->method(methodId).methodSignature().constData());
664 qWarning() << "SignalProxy::invokeSlot(): received invalid data for argument number" << i << "of method" << QString("%1::%2()").arg(receiver->metaObject()->className()).arg(receiver->metaObject()->method(methodId).signature());
666 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
669 if (args[i] != QMetaType::type(params[i].typeName())) {
670 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
674 _a[i+1] = const_cast<void *>(params[i].constData());
677 if (returnValue.type() != QVariant::Invalid)
678 _a[0] = const_cast<void *>(returnValue.constData());
680 Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
681 ? Qt::DirectConnection
682 : Qt::QueuedConnection;
684 if (type == Qt::DirectConnection) {
686 auto result = receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
687 _sourcePeer = nullptr;
690 qWarning() << "Queued Connections are not implemented yet";
691 // note to self: qmetaobject.cpp:990 ff
697 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, Peer *peer)
700 return invokeSlot(receiver, methodId, params, ret, peer);
704 void SignalProxy::requestInit(SyncableObject *obj)
706 if (proxyMode() == Server || obj->isInitialized())
709 dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
713 QVariantMap SignalProxy::initData(SyncableObject *obj) const
715 return obj->toVariantMap();
719 void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties)
721 if (obj->isInitialized())
723 obj->fromVariantMap(properties);
724 obj->setInitialized();
725 emit objectInitialized(obj);
726 invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
730 void SignalProxy::customEvent(QEvent *event)
732 switch ((int)event->type()) {
733 case RemovePeerEvent: {
734 ::RemovePeerEvent *e = static_cast< ::RemovePeerEvent *>(event);
741 qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
747 void SignalProxy::sync_call__(const SyncableObject *obj, SignalProxy::ProxyMode modeType, const char *funcname, va_list ap)
749 // qDebug() << obj << modeType << "(" << _proxyMode << ")" << funcname;
750 if (modeType != _proxyMode)
753 ExtendedMetaObject *eMeta = extendedMetaObject(obj);
757 const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
759 for (int i = 0; i < argTypes.size(); i++) {
760 if (argTypes[i] == 0) {
761 qWarning() << Q_FUNC_INFO << "received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(eMeta->metaObject()->className()).arg(funcname);
762 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
765 params << QVariant(argTypes[i], va_arg(ap, void *));
768 if (_restrictMessageTarget) {
769 for (auto peer : _restrictedTargets) {
771 dispatch(peer, SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
774 dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
778 void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
780 if (!reason.isEmpty())
781 qWarning() << qPrintable(reason);
782 QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
784 qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
789 void SignalProxy::dumpProxyStats()
792 if (proxyMode() == Server)
798 foreach(ObjectId oid, _syncSlave.values())
799 slaveCount += oid.count();
802 qDebug() << " Proxy Mode:" << mode;
803 qDebug() << " attached Slots:" << _attachedSlots.count();
804 qDebug() << " number of synced Slaves:" << slaveCount;
805 qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
809 void SignalProxy::updateSecureState()
811 bool wasSecure = _secure;
813 _secure = !_peers.isEmpty();
814 foreach (const Peer *peer, _peers) {
815 _secure &= peer->isSecure();
818 if (wasSecure != _secure)
819 emit secureStateChanged(_secure);
822 QVariantList SignalProxy::peerData() {
824 for (auto peer : _peers) {
826 data["id"] = peer->_id;
827 data["clientVersion"] = peer->_clientVersion;
828 data["clientVersionDate"] = peer->_buildDate;
829 data["remoteAddress"] = peer->address();
830 data["connectedSince"] = peer->_connectedSince;
831 data["secure"] = peer->isSecure();
837 Peer *SignalProxy::peerById(int peerId) {
838 return _peerMap[peerId];
841 void SignalProxy::restrictTargetPeers(QSet<Peer*> peers, std::function<void()> closure)
843 auto previousRestrictMessageTarget = _restrictMessageTarget;
844 auto previousRestrictedTargets = _restrictedTargets;
845 _restrictMessageTarget = true;
846 _restrictedTargets = peers;
850 _restrictMessageTarget = previousRestrictMessageTarget;
851 _restrictedTargets = previousRestrictedTargets;
854 // ==================================================
855 // ExtendedMetaObject
856 // ==================================================
857 SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
859 _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
861 for (int i = 0; i < _meta->methodCount(); i++) {
862 if (_meta->method(i).methodType() != QMetaMethod::Slot)
865 #if QT_VERSION >= 0x050000
866 if (_meta->method(i).methodSignature().contains('*'))
868 if (QByteArray(_meta->method(i).signature()).contains('*'))
870 continue; // skip methods with ptr params
872 QByteArray method = methodName(_meta->method(i));
873 if (method.startsWith("init"))
874 continue; // skip initializers
876 if (_methodIds.contains(method)) {
877 /* funny... moc creates for methods containing default parameters multiple metaMethod with separate methodIds.
878 we don't care... we just need the full fledged version
880 const QMetaMethod ¤t = _meta->method(_methodIds[method]);
881 const QMetaMethod &candidate = _meta->method(i);
882 if (current.parameterTypes().count() > candidate.parameterTypes().count()) {
883 int minCount = candidate.parameterTypes().count();
884 QList<QByteArray> commonParams = current.parameterTypes().mid(0, minCount);
885 if (commonParams == candidate.parameterTypes())
886 continue; // we already got the full featured version
889 int minCount = current.parameterTypes().count();
890 QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
891 if (commonParams == current.parameterTypes()) {
892 _methodIds[method] = i; // use the new one
896 if (checkConflicts) {
897 qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
898 #if QT_VERSION >= 0x050000
899 qWarning() << " - " << _meta->method(i).methodSignature() << "conflicts with" << _meta->method(_methodIds[method]).methodSignature();
901 qWarning() << " - " << _meta->method(i).signature() << "conflicts with" << _meta->method(_methodIds[method]).signature();
906 _methodIds[method] = i;
911 const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
913 if (!_methods.contains(methodId)) {
914 _methods[methodId] = MethodDescriptor(_meta->method(methodId));
916 return _methods[methodId];
920 const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap()
922 if (_receiveMap.isEmpty()) {
923 QHash<int, int> receiveMap;
925 QMetaMethod requestSlot;
926 QByteArray returnTypeName;
927 QByteArray signature;
928 QByteArray methodName;
932 const int methodCount = _meta->methodCount();
933 for (int i = 0; i < methodCount; i++) {
934 requestSlot = _meta->method(i);
935 if (requestSlot.methodType() != QMetaMethod::Slot)
938 returnTypeName = requestSlot.typeName();
939 if (QMetaType::Void == (QMetaType::Type)returnType(i))
942 #if QT_VERSION >= 0x050000
943 signature = requestSlot.methodSignature();
945 signature = QByteArray(requestSlot.signature());
947 if (!signature.startsWith("request"))
950 paramsPos = signature.indexOf('(');
954 methodName = signature.left(paramsPos);
955 params = signature.mid(paramsPos);
957 methodName = methodName.replace("request", "receive");
958 params = params.left(params.count() - 1) + ", " + returnTypeName + ")";
960 signature = QMetaObject::normalizedSignature(methodName + params);
961 receiverId = _meta->indexOfSlot(signature);
963 if (receiverId == -1) {
964 signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
965 receiverId = _meta->indexOfSlot(signature);
968 if (receiverId != -1) {
969 receiveMap[i] = receiverId;
972 _receiveMap = receiveMap;
978 QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
980 #if QT_VERSION >= 0x050000
981 QByteArray sig(method.methodSignature());
983 QByteArray sig(method.signature());
985 return sig.left(sig.indexOf("("));
989 QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
991 #if QT_VERSION >= 0x050000
992 QString methodname = QString(method.methodSignature()).section("(", 0, 0);
994 QString methodname = QString(method.signature()).section("(", 0, 0);
997 // determine where we have to chop:
999 if (method.methodType() == QMetaMethod::Slot) {
1000 // we take evertyhing from the first uppercase char if it's slot
1001 upperCharPos = methodname.indexOf(QRegExp("[A-Z]"));
1002 if (upperCharPos == -1)
1004 methodname = methodname.mid(upperCharPos);
1007 // and if it's a signal we discard everything from the last uppercase char
1008 upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
1009 if (upperCharPos == -1)
1011 methodname = methodname.left(upperCharPos);
1014 methodname[0] = methodname[0].toUpper();
1020 SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
1021 : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
1022 _returnType(QMetaType::type(method.typeName()))
1024 // determine argTypes
1025 QList<QByteArray> paramTypes = method.parameterTypes();
1026 QList<int> argTypes;
1027 for (int i = 0; i < paramTypes.count(); i++) {
1028 argTypes.append(QMetaType::type(paramTypes[i]));
1030 _argTypes = argTypes;
1032 // determine minArgCount
1033 #if QT_VERSION >= 0x050000
1034 QString signature(method.methodSignature());
1036 QString signature(method.signature());
1038 _minArgCount = method.parameterTypes().count() - signature.count("=");
1040 _receiverMode = (_methodName.startsWith("request"))
1041 ? SignalProxy::Server
1042 : SignalProxy::Client;