1 /***************************************************************************
2 * Copyright (C) 2005-2018 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 ***************************************************************************/
23 #include <QCoreApplication>
24 #include <QHostAddress>
25 #include <QMetaMethod>
26 #include <QMetaProperty>
30 # include <QSslSocket>
35 #include "signalproxy.h"
36 #include "syncableobject.h"
40 using namespace Protocol;
42 class RemovePeerEvent : public QEvent
45 RemovePeerEvent(Peer* peer)
46 : QEvent(QEvent::Type(SignalProxy::RemovePeerEvent))
52 // ==================================================
54 // ==================================================
55 class SignalProxy::SignalRelay : public QObject
57 /* Q_OBJECT is not necessary or even allowed, because we implement
58 qt_metacall ourselves (and don't use any other features of the meta
62 SignalRelay(SignalProxy* parent)
66 inline SignalProxy* proxy() const { return _proxy; }
68 int qt_metacall(QMetaObject::Call _c, int _id, void** _a) override;
70 void attachSignal(QObject* sender, int signalId, const QByteArray& funcName);
71 void detachSignal(QObject* sender, int signalId = -1);
76 QObject* sender{nullptr};
79 Signal(QObject* sender, int sigId, QByteArray signature)
82 , signature(std::move(signature))
88 QHash<int, Signal> _slots;
91 void SignalProxy::SignalRelay::attachSignal(QObject* sender, int signalId, const QByteArray& funcName)
93 // we ride without safetybelts here... all checking for valid method etc pp has to be done by the caller
94 // all connected methodIds are offset by the standard methodCount of QObject
96 for (int i = 0;; i++) {
97 if (!_slots.contains(i)) {
104 if (!funcName.isEmpty()) {
105 fn = QMetaObject::normalizedSignature(funcName);
108 fn = SIGNAL(fakeMethodSignature());
109 fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).methodSignature());
112 _slots[slotId] = Signal(sender, signalId, fn);
114 QMetaObject::connect(sender, signalId, this, QObject::staticMetaObject.methodCount() + slotId);
117 void SignalProxy::SignalRelay::detachSignal(QObject* sender, int signalId)
119 QHash<int, Signal>::iterator slotIter = _slots.begin();
120 while (slotIter != _slots.end()) {
121 if (slotIter->sender == sender && (signalId == -1 || slotIter->signalId == signalId)) {
122 slotIter = _slots.erase(slotIter);
132 int SignalProxy::SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void** _a)
134 _id = QObject::qt_metacall(_c, _id, _a);
138 if (_c == QMetaObject::InvokeMetaMethod) {
139 if (_slots.contains(_id)) {
140 QObject* caller = sender();
142 SignalProxy::ExtendedMetaObject* eMeta = proxy()->extendedMetaObject(caller->metaObject());
145 const Signal& signal = _slots[_id];
149 const QList<int>& argTypes = eMeta->argTypes(signal.signalId);
150 for (int i = 0; i < argTypes.size(); i++) {
151 if (argTypes[i] == 0) {
152 qWarning() << "SignalRelay::qt_metacall(): received invalid data for argument number" << i << "of signal"
154 .arg(caller->metaObject()->className())
155 .arg(caller->metaObject()->method(signal.signalId).methodSignature().constData());
156 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
159 params << QVariant(argTypes[i], _a[i + 1]);
162 if (proxy()->_restrictMessageTarget) {
163 for (auto peer : proxy()->_restrictedTargets) {
165 proxy()->dispatch(peer, RpcCall(signal.signature, params));
169 proxy()->dispatch(RpcCall(signal.signature, params));
171 _id -= _slots.count();
176 // ==================================================
178 // ==================================================
181 thread_local SignalProxy* _current{nullptr};
184 SignalProxy::SignalProxy(QObject* parent)
187 setProxyMode(Client);
191 SignalProxy::SignalProxy(ProxyMode mode, QObject* parent)
198 SignalProxy::~SignalProxy()
200 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
201 while (classIter != _syncSlave.end()) {
202 ObjectId::iterator objIter = classIter->begin();
203 while (objIter != classIter->end()) {
204 SyncableObject* obj = objIter.value();
205 objIter = classIter->erase(objIter);
206 obj->stopSynchronize(this);
217 SignalProxy* SignalProxy::current()
222 void SignalProxy::setProxyMode(ProxyMode mode)
224 if (!_peerMap.empty()) {
225 qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
236 void SignalProxy::init()
238 _heartBeatInterval = 0;
239 _maxHeartBeatCount = 0;
240 _signalRelay = new SignalRelay(this);
241 setHeartBeatInterval(30);
242 setMaxHeartBeatCount(2);
248 void SignalProxy::initServer() {}
250 void SignalProxy::initClient()
252 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray, QString, QString)));
255 void SignalProxy::setHeartBeatInterval(int secs)
257 if (_heartBeatInterval != secs) {
258 _heartBeatInterval = secs;
259 emit heartBeatIntervalChanged(secs);
263 void SignalProxy::setMaxHeartBeatCount(int max)
265 if (_maxHeartBeatCount != max) {
266 _maxHeartBeatCount = max;
267 emit maxHeartBeatCountChanged(max);
271 bool SignalProxy::addPeer(Peer* peer)
276 if (_peerMap.values().contains(peer))
279 if (!peer->isOpen()) {
280 qWarning("SignalProxy: peer needs to be open!");
284 if (proxyMode() == Client) {
285 if (!_peerMap.isEmpty()) {
286 qWarning("SignalProxy: only one peer allowed in client mode!");
289 connect(peer, &Peer::lagUpdated, this, &SignalProxy::lagUpdated);
292 connect(peer, &Peer::disconnected, this, &SignalProxy::removePeerBySender);
293 connect(peer, &Peer::secureStateChanged, this, &SignalProxy::updateSecureState);
296 peer->setParent(this);
298 if (peer->id() < 0) {
299 peer->setId(nextPeerId());
300 peer->setConnectedSince(QDateTime::currentDateTimeUtc());
303 _peerMap[peer->id()] = peer;
305 peer->setSignalProxy(this);
307 if (peerCount() == 1)
314 void SignalProxy::removeAllPeers()
316 Q_ASSERT(proxyMode() == Server || peerCount() <= 1);
317 // wee need to copy that list since we modify it in the loop
318 QList<Peer*> peers = _peerMap.values();
319 for (auto peer : peers) {
324 void SignalProxy::removePeer(Peer* peer)
327 qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
331 if (_peerMap.isEmpty()) {
332 qWarning() << "SignalProxy::removePeer(): No peers in use!";
336 if (!_peerMap.values().contains(peer)) {
337 qWarning() << "SignalProxy: unknown Peer" << peer;
341 disconnect(peer, nullptr, this, nullptr);
342 peer->setSignalProxy(nullptr);
344 _peerMap.remove(peer->id());
345 emit peerRemoved(peer);
347 if (peer->parent() == this)
352 if (_peerMap.isEmpty())
356 void SignalProxy::removePeerBySender()
358 removePeer(qobject_cast<Peer*>(sender()));
361 void SignalProxy::renameObject(const SyncableObject* obj, const QString& newname, const QString& oldname)
363 if (proxyMode() == Client)
366 const QMetaObject* meta = obj->syncMetaObject();
367 const QByteArray className(meta->className());
368 objectRenamed(className, newname, oldname);
370 dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
373 void SignalProxy::objectRenamed(const QByteArray& classname, const QString& newname, const QString& oldname)
375 if (_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
376 SyncableObject* obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
381 const QMetaObject* SignalProxy::metaObject(const QObject* obj)
383 if (const auto* syncObject = qobject_cast<const SyncableObject*>(obj))
384 return syncObject->syncMetaObject();
386 return obj->metaObject();
389 SignalProxy::ExtendedMetaObject* SignalProxy::extendedMetaObject(const QMetaObject* meta) const
391 if (_extendedMetaObjects.contains(meta))
392 return _extendedMetaObjects[meta];
397 SignalProxy::ExtendedMetaObject* SignalProxy::createExtendedMetaObject(const QMetaObject* meta, bool checkConflicts)
399 if (!_extendedMetaObjects.contains(meta)) {
400 _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
402 return _extendedMetaObjects[meta];
405 bool SignalProxy::attachSignal(QObject* sender, const char* signal, const QByteArray& sigName)
407 const QMetaObject* meta = sender->metaObject();
408 QByteArray sig(meta->normalizedSignature(signal).mid(1));
409 int methodId = meta->indexOfMethod(sig.constData());
410 if (methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
411 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
415 createExtendedMetaObject(meta);
416 _signalRelay->attachSignal(sender, methodId, sigName);
418 disconnect(sender, &QObject::destroyed, this, &SignalProxy::detachObject);
419 connect(sender, &QObject::destroyed, this, &SignalProxy::detachObject);
423 bool SignalProxy::attachSlot(const QByteArray& sigName, QObject* recv, const char* slot)
425 const QMetaObject* meta = recv->metaObject();
426 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
427 if (methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
428 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
432 createExtendedMetaObject(meta);
434 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
435 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
437 disconnect(recv, &QObject::destroyed, this, &SignalProxy::detachObject);
438 connect(recv, &QObject::destroyed, this, &SignalProxy::detachObject);
442 void SignalProxy::synchronize(SyncableObject* obj)
444 createExtendedMetaObject(obj, true);
446 // attaching as slave to receive sync Calls
447 QByteArray className(obj->syncMetaObject()->className());
448 _syncSlave[className][obj->objectName()] = obj;
450 if (proxyMode() == Server) {
451 obj->setInitialized();
452 emit objectInitialized(obj);
455 if (obj->isInitialized())
456 emit objectInitialized(obj);
461 obj->synchronize(this);
464 void SignalProxy::detachObject(QObject* obj)
466 // Don't try to connect SignalProxy from itself on shutdown
473 void SignalProxy::detachSignals(QObject* sender)
475 _signalRelay->detachSignal(sender);
478 void SignalProxy::detachSlots(QObject* receiver)
480 SlotHash::iterator slotIter = _attachedSlots.begin();
481 while (slotIter != _attachedSlots.end()) {
482 if (slotIter.value().first == receiver) {
483 slotIter = _attachedSlots.erase(slotIter);
490 void SignalProxy::stopSynchronize(SyncableObject* obj)
492 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
493 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
494 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
495 while (classIter != _syncSlave.end()) {
496 if (classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
497 classIter->remove(obj->objectName());
502 obj->stopSynchronize(this);
506 void SignalProxy::dispatch(const T& protoMessage)
508 for (auto&& peer : _peerMap.values()) {
509 dispatch(peer, protoMessage);
514 void SignalProxy::dispatch(Peer* peer, const T& protoMessage)
518 if (peer && peer->isOpen())
519 peer->dispatch(protoMessage);
521 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
523 _targetPeer = nullptr;
526 void SignalProxy::handle(Peer* peer, const SyncMessage& syncMessage)
528 if (!_syncSlave.contains(syncMessage.className) || !_syncSlave[syncMessage.className].contains(syncMessage.objectName)) {
529 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:")
530 .arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
531 << syncMessage.params;
535 SyncableObject* receiver = _syncSlave[syncMessage.className][syncMessage.objectName];
536 ExtendedMetaObject* eMeta = extendedMetaObject(receiver);
537 if (!eMeta->slotMap().contains(syncMessage.slotName)) {
538 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:")
539 .arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
540 << syncMessage.params;
544 int slotId = eMeta->slotMap()[syncMessage.slotName];
545 if (proxyMode() != eMeta->receiverMode(slotId)) {
546 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
550 // We can no longer construct a QVariant from QMetaType::Void
551 QVariant returnValue;
552 int returnType = eMeta->returnType(slotId);
553 if (returnType != QMetaType::Void)
554 returnValue = QVariant(static_cast<QVariant::Type>(returnType));
556 if (!invokeSlot(receiver, slotId, syncMessage.params, returnValue, peer)) {
557 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
561 if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
562 int receiverId = eMeta->receiveMap()[slotId];
563 QVariantList returnParams;
564 if (eMeta->argTypes(receiverId).count() > 1)
565 returnParams << syncMessage.params;
566 returnParams << returnValue;
568 peer->dispatch(SyncMessage(syncMessage.className, syncMessage.objectName, eMeta->methodName(receiverId), returnParams));
569 _targetPeer = nullptr;
572 // send emit update signal
573 invokeSlot(receiver, eMeta->updatedRemotelyId());
576 void SignalProxy::handle(Peer* peer, const InitRequest& initRequest)
578 if (!_syncSlave.contains(initRequest.className)) {
579 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:" << initRequest.className;
583 if (!_syncSlave[initRequest.className].contains(initRequest.objectName)) {
584 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:" << initRequest.className
585 << initRequest.objectName;
589 SyncableObject* obj = _syncSlave[initRequest.className][initRequest.objectName];
591 peer->dispatch(InitData(initRequest.className, initRequest.objectName, initData(obj)));
592 _targetPeer = nullptr;
595 void SignalProxy::handle(Peer* peer, const InitData& initData)
599 if (!_syncSlave.contains(initData.className)) {
600 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:" << initData.className;
604 if (!_syncSlave[initData.className].contains(initData.objectName)) {
605 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:" << initData.className << initData.objectName;
609 SyncableObject* obj = _syncSlave[initData.className][initData.objectName];
610 setInitData(obj, initData.initData);
613 void SignalProxy::handle(Peer* peer, const RpcCall& rpcCall)
617 SlotHash::const_iterator slot = _attachedSlots.constFind(rpcCall.slotName);
618 while (slot != _attachedSlots.constEnd() && slot.key() == rpcCall.slotName) {
619 receiver = (*slot).first;
620 methodId = (*slot).second;
621 if (!invokeSlot(receiver, methodId, rpcCall.params, peer)) {
622 ExtendedMetaObject* eMeta = extendedMetaObject(receiver);
623 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
629 bool SignalProxy::invokeSlot(QObject* receiver, int methodId, const QVariantList& params, QVariant& returnValue, Peer* peer)
631 ExtendedMetaObject* eMeta = extendedMetaObject(receiver);
632 const QList<int> args = eMeta->argTypes(methodId);
633 const int numArgs = params.count() < args.count() ? params.count() : args.count();
635 if (eMeta->minArgCount(methodId) > params.count()) {
636 qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << eMeta->methodName(methodId);
640 void* _a[] = {nullptr, // return type...
645 nullptr, // and 10 args - that's the max size qt can handle with signals and slots
652 // check for argument compatibility and build params array
653 for (int i = 0; i < numArgs; i++) {
654 if (!params[i].isValid()) {
655 qWarning() << "SignalProxy::invokeSlot(): received invalid data for argument number" << i << "of method"
656 << QString("%1::%2()")
657 .arg(receiver->metaObject()->className())
658 .arg(receiver->metaObject()->method(methodId).methodSignature().constData());
659 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
662 if (args[i] != QMetaType::type(params[i].typeName())) {
663 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
667 _a[i + 1] = const_cast<void*>(params[i].constData());
670 if (returnValue.type() != QVariant::Invalid)
671 _a[0] = const_cast<void*>(returnValue.constData());
673 Qt::ConnectionType type = QThread::currentThread() == receiver->thread() ? Qt::DirectConnection : Qt::QueuedConnection;
675 if (type == Qt::DirectConnection) {
677 auto result = receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
678 _sourcePeer = nullptr;
682 qWarning() << "Queued Connections are not implemented yet";
683 // note to self: qmetaobject.cpp:990 ff
688 bool SignalProxy::invokeSlot(QObject* receiver, int methodId, const QVariantList& params, Peer* peer)
691 return invokeSlot(receiver, methodId, params, ret, peer);
694 void SignalProxy::requestInit(SyncableObject* obj)
696 if (proxyMode() == Server || obj->isInitialized())
699 dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
702 QVariantMap SignalProxy::initData(SyncableObject* obj) const
704 return obj->toVariantMap();
707 void SignalProxy::setInitData(SyncableObject* obj, const QVariantMap& properties)
709 if (obj->isInitialized())
711 obj->fromVariantMap(properties);
712 obj->setInitialized();
713 emit objectInitialized(obj);
714 invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
717 void SignalProxy::customEvent(QEvent* event)
719 switch ((int)event->type()) {
720 case RemovePeerEvent: {
721 auto* e = static_cast<::RemovePeerEvent*>(event);
728 qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
733 void SignalProxy::sync_call__(const SyncableObject* obj, SignalProxy::ProxyMode modeType, const char* funcname, va_list ap)
735 // qDebug() << obj << modeType << "(" << _proxyMode << ")" << funcname;
736 if (modeType != _proxyMode)
739 ExtendedMetaObject* eMeta = extendedMetaObject(obj);
743 const QList<int>& argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
745 for (int i = 0; i < argTypes.size(); i++) {
746 if (argTypes[i] == 0) {
747 qWarning() << Q_FUNC_INFO << "received invalid data for argument number" << i << "of signal"
748 << QString("%1::%2").arg(eMeta->metaObject()->className()).arg(funcname);
749 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
752 params << QVariant(argTypes[i], va_arg(ap, void*));
755 if (_restrictMessageTarget) {
756 for (auto peer : _restrictedTargets) {
758 dispatch(peer, SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
762 dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
765 void SignalProxy::disconnectDevice(QIODevice* dev, const QString& reason)
767 if (!reason.isEmpty())
768 qWarning() << qPrintable(reason);
769 auto* sock = qobject_cast<QAbstractSocket*>(dev);
771 qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
775 void SignalProxy::dumpProxyStats()
778 if (proxyMode() == Server)
784 foreach (ObjectId oid, _syncSlave.values())
785 slaveCount += oid.count();
788 qDebug() << " Proxy Mode:" << mode;
789 qDebug() << " attached Slots:" << _attachedSlots.count();
790 qDebug() << " number of synced Slaves:" << slaveCount;
791 qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
794 void SignalProxy::updateSecureState()
796 bool wasSecure = _secure;
798 _secure = !_peerMap.isEmpty();
799 for (auto peer : _peerMap.values()) {
800 _secure &= peer->isSecure();
803 if (wasSecure != _secure)
804 emit secureStateChanged(_secure);
807 QVariantList SignalProxy::peerData()
810 for (auto&& peer : _peerMap.values()) {
812 data["id"] = peer->id();
813 data["clientVersion"] = peer->clientVersion();
814 // We explicitly rename this, as, due to the Debian reproducability changes, buildDate isn’t actually the build
815 // date anymore, but on newer clients the date of the last git commit
816 data["clientVersionDate"] = peer->buildDate();
817 data["remoteAddress"] = peer->address();
818 data["connectedSince"] = peer->connectedSince();
819 data["secure"] = peer->isSecure();
820 data["features"] = static_cast<quint32>(peer->features().toLegacyFeatures());
821 data["featureList"] = peer->features().toStringList();
827 Peer* SignalProxy::peerById(int peerId)
829 // We use ::value() here instead of the [] operator because the latter has the side-effect
830 // of automatically inserting a null value with the passed key into the map. See
831 // https://doc.qt.io/qt-5/qhash.html#operator-5b-5d and https://doc.qt.io/qt-5/qhash.html#value.
832 return _peerMap.value(peerId);
835 void SignalProxy::restrictTargetPeers(QSet<Peer*> peers, std::function<void()> closure)
837 auto previousRestrictMessageTarget = _restrictMessageTarget;
838 auto previousRestrictedTargets = _restrictedTargets;
839 _restrictMessageTarget = true;
840 _restrictedTargets = peers;
844 _restrictMessageTarget = previousRestrictMessageTarget;
845 _restrictedTargets = previousRestrictedTargets;
848 Peer* SignalProxy::sourcePeer()
853 void SignalProxy::setSourcePeer(Peer* sourcePeer)
855 _sourcePeer = sourcePeer;
858 Peer* SignalProxy::targetPeer()
863 void SignalProxy::setTargetPeer(Peer* targetPeer)
865 _targetPeer = targetPeer;
868 // ==================================================
869 // ExtendedMetaObject
870 // ==================================================
871 SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject* meta, bool checkConflicts)
873 , _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
875 for (int i = 0; i < _meta->methodCount(); i++) {
876 if (_meta->method(i).methodType() != QMetaMethod::Slot)
879 if (_meta->method(i).methodSignature().contains('*'))
880 continue; // skip methods with ptr params
882 QByteArray method = methodName(_meta->method(i));
883 if (method.startsWith("init"))
884 continue; // skip initializers
886 if (_methodIds.contains(method)) {
887 /* funny... moc creates for methods containing default parameters multiple metaMethod with separate methodIds.
888 we don't care... we just need the full fledged version
890 const QMetaMethod& current = _meta->method(_methodIds[method]);
891 const QMetaMethod& candidate = _meta->method(i);
892 if (current.parameterTypes().count() > candidate.parameterTypes().count()) {
893 int minCount = candidate.parameterTypes().count();
894 QList<QByteArray> commonParams = current.parameterTypes().mid(0, minCount);
895 if (commonParams == candidate.parameterTypes())
896 continue; // we already got the full featured version
899 int minCount = current.parameterTypes().count();
900 QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
901 if (commonParams == current.parameterTypes()) {
902 _methodIds[method] = i; // use the new one
906 if (checkConflicts) {
907 qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
908 qWarning() << " - " << _meta->method(i).methodSignature() << "conflicts with"
909 << _meta->method(_methodIds[method]).methodSignature();
913 _methodIds[method] = i;
917 const SignalProxy::ExtendedMetaObject::MethodDescriptor& SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
919 if (!_methods.contains(methodId)) {
920 _methods[methodId] = MethodDescriptor(_meta->method(methodId));
922 return _methods[methodId];
925 const QHash<int, int>& SignalProxy::ExtendedMetaObject::receiveMap()
927 if (_receiveMap.isEmpty()) {
928 QHash<int, int> receiveMap;
930 QMetaMethod requestSlot;
931 QByteArray returnTypeName;
932 QByteArray signature;
933 QByteArray methodName;
937 const int methodCount = _meta->methodCount();
938 for (int i = 0; i < methodCount; i++) {
939 requestSlot = _meta->method(i);
940 if (requestSlot.methodType() != QMetaMethod::Slot)
943 returnTypeName = requestSlot.typeName();
944 if (QMetaType::Void == (QMetaType::Type)returnType(i))
947 signature = requestSlot.methodSignature();
948 if (!signature.startsWith("request"))
951 paramsPos = signature.indexOf('(');
955 methodName = signature.left(paramsPos);
956 params = signature.mid(paramsPos);
958 methodName = methodName.replace("request", "receive");
959 params = params.left(params.count() - 1) + ", " + returnTypeName + ")";
961 signature = QMetaObject::normalizedSignature(methodName + params);
962 receiverId = _meta->indexOfSlot(signature);
964 if (receiverId == -1) {
965 signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
966 receiverId = _meta->indexOfSlot(signature);
969 if (receiverId != -1) {
970 receiveMap[i] = receiverId;
973 _receiveMap = receiveMap;
978 QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod& method)
980 QByteArray sig(method.methodSignature());
981 return sig.left(sig.indexOf("("));
984 QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod& method)
986 QString methodname = QString(method.methodSignature()).section("(", 0, 0);
988 // determine where we have to chop:
990 if (method.methodType() == QMetaMethod::Slot) {
991 // we take evertyhing from the first uppercase char if it's slot
992 upperCharPos = methodname.indexOf(QRegExp("[A-Z]"));
993 if (upperCharPos == -1)
995 methodname = methodname.mid(upperCharPos);
998 // and if it's a signal we discard everything from the last uppercase char
999 upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
1000 if (upperCharPos == -1)
1002 methodname = methodname.left(upperCharPos);
1005 methodname[0] = methodname[0].toUpper();
1010 SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod& method)
1011 : _methodName(SignalProxy::ExtendedMetaObject::methodName(method))
1012 , _returnType(QMetaType::type(method.typeName()))
1014 // determine argTypes
1015 QList<QByteArray> paramTypes = method.parameterTypes();
1016 QList<int> argTypes;
1017 for (int i = 0; i < paramTypes.count(); i++) {
1018 argTypes.append(QMetaType::type(paramTypes[i]));
1020 _argTypes = argTypes;
1022 // determine minArgCount
1023 QString signature(method.methodSignature());
1024 _minArgCount = method.parameterTypes().count() - signature.count("=");
1026 _receiverMode = (_methodName.startsWith("request")) ? SignalProxy::Server : SignalProxy::Client;