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>
33 #include "signalproxy.h"
37 #include "syncableobject.h"
41 using namespace Protocol;
43 class RemovePeerEvent : public QEvent
46 RemovePeerEvent(Peer *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeerEvent)), peer(peer) {}
51 // ==================================================
53 // ==================================================
54 class SignalProxy::SignalRelay : public QObject
56 /* Q_OBJECT is not necessary or even allowed, because we implement
57 qt_metacall ourselves (and don't use any other features of the meta
61 SignalRelay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
62 inline SignalProxy *proxy() const { return _proxy; }
64 int qt_metacall(QMetaObject::Call _c, int _id, void **_a) override;
66 void attachSignal(QObject *sender, int signalId, const QByteArray &funcName);
67 void detachSignal(QObject *sender, int signalId = -1);
71 QObject *sender{nullptr};
74 Signal(QObject *sender, int sigId, QByteArray signature) : sender(sender), signalId(sigId), signature(std::move(signature)) {}
79 QHash<int, Signal> _slots;
83 void SignalProxy::SignalRelay::attachSignal(QObject *sender, int signalId, const QByteArray &funcName)
85 // we ride without safetybelts here... all checking for valid method etc pp has to be done by the caller
86 // all connected methodIds are offset by the standard methodCount of QObject
88 for (int i = 0;; i++) {
89 if (!_slots.contains(i)) {
96 if (!funcName.isEmpty()) {
97 fn = QMetaObject::normalizedSignature(funcName);
100 fn = SIGNAL(fakeMethodSignature());
101 fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).methodSignature());
104 _slots[slotId] = Signal(sender, signalId, fn);
106 QMetaObject::connect(sender, signalId, this, QObject::staticMetaObject.methodCount() + slotId);
110 void SignalProxy::SignalRelay::detachSignal(QObject *sender, int signalId)
112 QHash<int, Signal>::iterator slotIter = _slots.begin();
113 while (slotIter != _slots.end()) {
114 if (slotIter->sender == sender && (signalId == -1 || slotIter->signalId == signalId)) {
115 slotIter = _slots.erase(slotIter);
126 int SignalProxy::SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
128 _id = QObject::qt_metacall(_c, _id, _a);
132 if (_c == QMetaObject::InvokeMetaMethod) {
133 if (_slots.contains(_id)) {
134 QObject *caller = sender();
136 SignalProxy::ExtendedMetaObject *eMeta = proxy()->extendedMetaObject(caller->metaObject());
139 const Signal &signal = _slots[_id];
143 const QList<int> &argTypes = eMeta->argTypes(signal.signalId);
144 for (int i = 0; i < argTypes.size(); i++) {
145 if (argTypes[i] == 0) {
146 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());
147 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
150 params << QVariant(argTypes[i], _a[i+1]);
153 if (proxy()->_restrictMessageTarget) {
154 for (auto peer : proxy()->_restrictedTargets) {
156 proxy()->dispatch(peer, RpcCall(signal.signature, params));
159 proxy()->dispatch(RpcCall(signal.signature, params));
161 _id -= _slots.count();
167 // ==================================================
169 // ==================================================
172 thread_local SignalProxy *_current{nullptr};
175 SignalProxy::SignalProxy(QObject *parent)
178 setProxyMode(Client);
183 SignalProxy::SignalProxy(ProxyMode mode, QObject *parent)
191 SignalProxy::~SignalProxy()
193 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
194 while (classIter != _syncSlave.end()) {
195 ObjectId::iterator objIter = classIter->begin();
196 while (objIter != classIter->end()) {
197 SyncableObject *obj = objIter.value();
198 objIter = classIter->erase(objIter);
199 obj->stopSynchronize(this);
211 SignalProxy *SignalProxy::current()
217 void SignalProxy::setProxyMode(ProxyMode mode)
219 if (!_peerMap.empty()) {
220 qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
231 void SignalProxy::init()
233 _heartBeatInterval = 0;
234 _maxHeartBeatCount = 0;
235 _signalRelay = new SignalRelay(this);
236 setHeartBeatInterval(30);
237 setMaxHeartBeatCount(2);
244 void SignalProxy::initServer()
249 void SignalProxy::initClient()
251 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);
264 void SignalProxy::setMaxHeartBeatCount(int max)
266 if (_maxHeartBeatCount != max) {
267 _maxHeartBeatCount = max;
268 emit maxHeartBeatCountChanged(max);
273 bool SignalProxy::addPeer(Peer *peer)
278 if (_peerMap.values().contains(peer))
281 if (!peer->isOpen()) {
282 qWarning("SignalProxy: peer needs to be open!");
286 if (proxyMode() == Client) {
287 if (!_peerMap.isEmpty()) {
288 qWarning("SignalProxy: only one peer allowed in client mode!");
291 connect(peer, &Peer::lagUpdated, this, &SignalProxy::lagUpdated);
294 connect(peer, &Peer::disconnected, this, &SignalProxy::removePeerBySender);
295 connect(peer, &Peer::secureStateChanged, this, &SignalProxy::updateSecureState);
298 peer->setParent(this);
300 if (peer->id() < 0) {
301 peer->setId(nextPeerId());
302 peer->setConnectedSince(QDateTime::currentDateTimeUtc());
305 _peerMap[peer->id()] = peer;
307 peer->setSignalProxy(this);
309 if (peerCount() == 1)
317 void SignalProxy::removeAllPeers()
319 Q_ASSERT(proxyMode() == Server || peerCount() <= 1);
320 // wee need to copy that list since we modify it in the loop
321 QList<Peer *> peers = _peerMap.values();
322 for (auto peer : peers) {
328 void SignalProxy::removePeer(Peer *peer)
331 qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
335 if (_peerMap.isEmpty()) {
336 qWarning() << "SignalProxy::removePeer(): No peers in use!";
340 if (!_peerMap.values().contains(peer)) {
341 qWarning() << "SignalProxy: unknown Peer" << peer;
345 disconnect(peer, nullptr, this, nullptr);
346 peer->setSignalProxy(nullptr);
348 _peerMap.remove(peer->id());
349 emit peerRemoved(peer);
351 if (peer->parent() == this)
356 if (_peerMap.isEmpty())
361 void SignalProxy::removePeerBySender()
363 removePeer(qobject_cast<Peer *>(sender()));
367 void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname)
369 if (proxyMode() == Client)
372 const QMetaObject *meta = obj->syncMetaObject();
373 const QByteArray className(meta->className());
374 objectRenamed(className, newname, oldname);
376 dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
380 void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname)
382 if (_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
383 SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
389 const QMetaObject *SignalProxy::metaObject(const QObject *obj)
391 if (const auto *syncObject = qobject_cast<const SyncableObject *>(obj))
392 return syncObject->syncMetaObject();
394 return obj->metaObject();
398 SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const
400 if (_extendedMetaObjects.contains(meta))
401 return _extendedMetaObjects[meta];
407 SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
409 if (!_extendedMetaObjects.contains(meta)) {
410 _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
412 return _extendedMetaObjects[meta];
416 bool SignalProxy::attachSignal(QObject *sender, const char *signal, const QByteArray &sigName)
418 const QMetaObject *meta = sender->metaObject();
419 QByteArray sig(meta->normalizedSignature(signal).mid(1));
420 int methodId = meta->indexOfMethod(sig.constData());
421 if (methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
422 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
426 createExtendedMetaObject(meta);
427 _signalRelay->attachSignal(sender, methodId, sigName);
429 disconnect(sender, &QObject::destroyed, this, &SignalProxy::detachObject);
430 connect(sender, &QObject::destroyed, this, &SignalProxy::detachObject);
435 bool SignalProxy::attachSlot(const QByteArray &sigName, QObject *recv, const char *slot)
437 const QMetaObject *meta = recv->metaObject();
438 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
439 if (methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
440 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
444 createExtendedMetaObject(meta);
446 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
447 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
449 disconnect(recv, &QObject::destroyed, this, &SignalProxy::detachObject);
450 connect(recv, &QObject::destroyed, this, &SignalProxy::detachObject);
455 void SignalProxy::synchronize(SyncableObject *obj)
457 createExtendedMetaObject(obj, true);
459 // attaching as slave to receive sync Calls
460 QByteArray className(obj->syncMetaObject()->className());
461 _syncSlave[className][obj->objectName()] = obj;
463 if (proxyMode() == Server) {
464 obj->setInitialized();
465 emit objectInitialized(obj);
468 if (obj->isInitialized())
469 emit objectInitialized(obj);
474 obj->synchronize(this);
478 void SignalProxy::detachObject(QObject *obj)
480 // Don't try to connect SignalProxy from itself on shutdown
488 void SignalProxy::detachSignals(QObject *sender)
490 _signalRelay->detachSignal(sender);
494 void SignalProxy::detachSlots(QObject *receiver)
496 SlotHash::iterator slotIter = _attachedSlots.begin();
497 while (slotIter != _attachedSlots.end()) {
498 if (slotIter.value().first == receiver) {
499 slotIter = _attachedSlots.erase(slotIter);
507 void SignalProxy::stopSynchronize(SyncableObject *obj)
509 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
510 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
511 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
512 while (classIter != _syncSlave.end()) {
513 if (classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
514 classIter->remove(obj->objectName());
519 obj->stopSynchronize(this);
524 void SignalProxy::dispatch(const T &protoMessage)
526 for (auto&& peer : _peerMap.values()) {
527 dispatch(peer, protoMessage);
533 void SignalProxy::dispatch(Peer *peer, const T &protoMessage)
537 if (peer && peer->isOpen())
538 peer->dispatch(protoMessage);
540 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
542 _targetPeer = nullptr;
546 void SignalProxy::handle(Peer *peer, const SyncMessage &syncMessage)
548 if (!_syncSlave.contains(syncMessage.className) || !_syncSlave[syncMessage.className].contains(syncMessage.objectName)) {
549 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
550 << syncMessage.params;
554 SyncableObject *receiver = _syncSlave[syncMessage.className][syncMessage.objectName];
555 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
556 if (!eMeta->slotMap().contains(syncMessage.slotName)) {
557 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
558 << syncMessage.params;
562 int slotId = eMeta->slotMap()[syncMessage.slotName];
563 if (proxyMode() != eMeta->receiverMode(slotId)) {
564 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
568 // We can no longer construct a QVariant from QMetaType::Void
569 QVariant returnValue;
570 int returnType = eMeta->returnType(slotId);
571 if (returnType != QMetaType::Void)
572 returnValue = QVariant(static_cast<QVariant::Type>(returnType));
574 if (!invokeSlot(receiver, slotId, syncMessage.params, returnValue, peer)) {
575 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
579 if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
580 int receiverId = eMeta->receiveMap()[slotId];
581 QVariantList returnParams;
582 if (eMeta->argTypes(receiverId).count() > 1)
583 returnParams << syncMessage.params;
584 returnParams << returnValue;
586 peer->dispatch(SyncMessage(syncMessage.className, syncMessage.objectName, eMeta->methodName(receiverId), returnParams));
587 _targetPeer = nullptr;
590 // send emit update signal
591 invokeSlot(receiver, eMeta->updatedRemotelyId());
595 void SignalProxy::handle(Peer *peer, const InitRequest &initRequest)
597 if (!_syncSlave.contains(initRequest.className)) {
598 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
599 << initRequest.className;
603 if (!_syncSlave[initRequest.className].contains(initRequest.objectName)) {
604 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
605 << initRequest.className << initRequest.objectName;
609 SyncableObject *obj = _syncSlave[initRequest.className][initRequest.objectName];
611 peer->dispatch(InitData(initRequest.className, initRequest.objectName, initData(obj)));
612 _targetPeer = nullptr;
616 void SignalProxy::handle(Peer *peer, const InitData &initData)
620 if (!_syncSlave.contains(initData.className)) {
621 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
622 << initData.className;
626 if (!_syncSlave[initData.className].contains(initData.objectName)) {
627 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
628 << initData.className << initData.objectName;
632 SyncableObject *obj = _syncSlave[initData.className][initData.objectName];
633 setInitData(obj, initData.initData);
637 void SignalProxy::handle(Peer *peer, const RpcCall &rpcCall)
641 SlotHash::const_iterator slot = _attachedSlots.constFind(rpcCall.slotName);
642 while (slot != _attachedSlots.constEnd() && slot.key() == rpcCall.slotName) {
643 receiver = (*slot).first;
644 methodId = (*slot).second;
645 if (!invokeSlot(receiver, methodId, rpcCall.params, peer)) {
646 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
647 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
654 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue, Peer *peer)
656 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
657 const QList<int> args = eMeta->argTypes(methodId);
658 const int numArgs = params.count() < args.count()
662 if (eMeta->minArgCount(methodId) > params.count()) {
663 qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << eMeta->methodName(methodId);
667 void *_a[] = { nullptr, // return type...
668 nullptr, nullptr, nullptr, nullptr, nullptr, // and 10 args - that's the max size qt can handle with signals and slots
669 nullptr, nullptr, nullptr, nullptr, nullptr };
671 // check for argument compatibility and build params array
672 for (int i = 0; i < numArgs; i++) {
673 if (!params[i].isValid()) {
674 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());
675 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
678 if (args[i] != QMetaType::type(params[i].typeName())) {
679 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
683 _a[i+1] = const_cast<void *>(params[i].constData());
686 if (returnValue.type() != QVariant::Invalid)
687 _a[0] = const_cast<void *>(returnValue.constData());
689 Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
690 ? Qt::DirectConnection
691 : Qt::QueuedConnection;
693 if (type == Qt::DirectConnection) {
695 auto result = receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
696 _sourcePeer = nullptr;
699 qWarning() << "Queued Connections are not implemented yet";
700 // note to self: qmetaobject.cpp:990 ff
706 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, Peer *peer)
709 return invokeSlot(receiver, methodId, params, ret, peer);
713 void SignalProxy::requestInit(SyncableObject *obj)
715 if (proxyMode() == Server || obj->isInitialized())
718 dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
722 QVariantMap SignalProxy::initData(SyncableObject *obj) const
724 return obj->toVariantMap();
728 void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties)
730 if (obj->isInitialized())
732 obj->fromVariantMap(properties);
733 obj->setInitialized();
734 emit objectInitialized(obj);
735 invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
739 void SignalProxy::customEvent(QEvent *event)
741 switch ((int)event->type()) {
742 case RemovePeerEvent: {
743 auto *e = static_cast< ::RemovePeerEvent *>(event);
750 qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
756 void SignalProxy::sync_call__(const SyncableObject *obj, SignalProxy::ProxyMode modeType, const char *funcname, va_list ap)
758 // qDebug() << obj << modeType << "(" << _proxyMode << ")" << funcname;
759 if (modeType != _proxyMode)
762 ExtendedMetaObject *eMeta = extendedMetaObject(obj);
766 const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
768 for (int i = 0; i < argTypes.size(); i++) {
769 if (argTypes[i] == 0) {
770 qWarning() << Q_FUNC_INFO << "received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(eMeta->metaObject()->className()).arg(funcname);
771 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
774 params << QVariant(argTypes[i], va_arg(ap, void *));
777 if (_restrictMessageTarget) {
778 for (auto peer : _restrictedTargets) {
780 dispatch(peer, SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
783 dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
787 void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
789 if (!reason.isEmpty())
790 qWarning() << qPrintable(reason);
791 auto *sock = qobject_cast<QAbstractSocket *>(dev);
793 qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
798 void SignalProxy::dumpProxyStats()
801 if (proxyMode() == Server)
807 foreach(ObjectId oid, _syncSlave.values())
808 slaveCount += oid.count();
811 qDebug() << " Proxy Mode:" << mode;
812 qDebug() << " attached Slots:" << _attachedSlots.count();
813 qDebug() << " number of synced Slaves:" << slaveCount;
814 qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
818 void SignalProxy::updateSecureState()
820 bool wasSecure = _secure;
822 _secure = !_peerMap.isEmpty();
823 for (auto peer : _peerMap.values()) {
824 _secure &= peer->isSecure();
827 if (wasSecure != _secure)
828 emit secureStateChanged(_secure);
831 QVariantList SignalProxy::peerData() {
833 for (auto &&peer : _peerMap.values()) {
835 data["id"] = peer->id();
836 data["clientVersion"] = peer->clientVersion();
837 // We explicitly rename this, as, due to the Debian reproducability changes, buildDate isn’t actually the build
838 // date anymore, but on newer clients the date of the last git commit
839 data["clientVersionDate"] = peer->buildDate();
840 data["remoteAddress"] = peer->address();
841 data["connectedSince"] = peer->connectedSince();
842 data["secure"] = peer->isSecure();
843 data["features"] = static_cast<quint32>(peer->features().toLegacyFeatures());
844 data["featureList"] = peer->features().toStringList();
850 Peer *SignalProxy::peerById(int peerId) {
851 // We use ::value() here instead of the [] operator because the latter has the side-effect
852 // of automatically inserting a null value with the passed key into the map. See
853 // https://doc.qt.io/qt-5/qhash.html#operator-5b-5d and https://doc.qt.io/qt-5/qhash.html#value.
854 return _peerMap.value(peerId);
857 void SignalProxy::restrictTargetPeers(QSet<Peer*> peers, std::function<void()> closure)
859 auto previousRestrictMessageTarget = _restrictMessageTarget;
860 auto previousRestrictedTargets = _restrictedTargets;
861 _restrictMessageTarget = true;
862 _restrictedTargets = peers;
866 _restrictMessageTarget = previousRestrictMessageTarget;
867 _restrictedTargets = previousRestrictedTargets;
870 Peer *SignalProxy::sourcePeer() {
874 void SignalProxy::setSourcePeer(Peer *sourcePeer) {
875 _sourcePeer = sourcePeer;
878 Peer *SignalProxy::targetPeer() {
882 void SignalProxy::setTargetPeer(Peer *targetPeer) {
883 _targetPeer = targetPeer;
886 // ==================================================
887 // ExtendedMetaObject
888 // ==================================================
889 SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
891 _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
893 for (int i = 0; i < _meta->methodCount(); i++) {
894 if (_meta->method(i).methodType() != QMetaMethod::Slot)
897 if (_meta->method(i).methodSignature().contains('*'))
898 continue; // skip methods with ptr params
900 QByteArray method = methodName(_meta->method(i));
901 if (method.startsWith("init"))
902 continue; // skip initializers
904 if (_methodIds.contains(method)) {
905 /* funny... moc creates for methods containing default parameters multiple metaMethod with separate methodIds.
906 we don't care... we just need the full fledged version
908 const QMetaMethod ¤t = _meta->method(_methodIds[method]);
909 const QMetaMethod &candidate = _meta->method(i);
910 if (current.parameterTypes().count() > candidate.parameterTypes().count()) {
911 int minCount = candidate.parameterTypes().count();
912 QList<QByteArray> commonParams = current.parameterTypes().mid(0, minCount);
913 if (commonParams == candidate.parameterTypes())
914 continue; // we already got the full featured version
917 int minCount = current.parameterTypes().count();
918 QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
919 if (commonParams == current.parameterTypes()) {
920 _methodIds[method] = i; // use the new one
924 if (checkConflicts) {
925 qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
926 qWarning() << " - " << _meta->method(i).methodSignature() << "conflicts with" << _meta->method(_methodIds[method]).methodSignature();
930 _methodIds[method] = i;
935 const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
937 if (!_methods.contains(methodId)) {
938 _methods[methodId] = MethodDescriptor(_meta->method(methodId));
940 return _methods[methodId];
944 const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap()
946 if (_receiveMap.isEmpty()) {
947 QHash<int, int> receiveMap;
949 QMetaMethod requestSlot;
950 QByteArray returnTypeName;
951 QByteArray signature;
952 QByteArray methodName;
956 const int methodCount = _meta->methodCount();
957 for (int i = 0; i < methodCount; i++) {
958 requestSlot = _meta->method(i);
959 if (requestSlot.methodType() != QMetaMethod::Slot)
962 returnTypeName = requestSlot.typeName();
963 if (QMetaType::Void == (QMetaType::Type)returnType(i))
966 signature = requestSlot.methodSignature();
967 if (!signature.startsWith("request"))
970 paramsPos = signature.indexOf('(');
974 methodName = signature.left(paramsPos);
975 params = signature.mid(paramsPos);
977 methodName = methodName.replace("request", "receive");
978 params = params.left(params.count() - 1) + ", " + returnTypeName + ")";
980 signature = QMetaObject::normalizedSignature(methodName + params);
981 receiverId = _meta->indexOfSlot(signature);
983 if (receiverId == -1) {
984 signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
985 receiverId = _meta->indexOfSlot(signature);
988 if (receiverId != -1) {
989 receiveMap[i] = receiverId;
992 _receiveMap = receiveMap;
998 QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
1000 QByteArray sig(method.methodSignature());
1001 return sig.left(sig.indexOf("("));
1005 QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
1007 QString methodname = QString(method.methodSignature()).section("(", 0, 0);
1009 // determine where we have to chop:
1011 if (method.methodType() == QMetaMethod::Slot) {
1012 // we take evertyhing from the first uppercase char if it's slot
1013 upperCharPos = methodname.indexOf(QRegExp("[A-Z]"));
1014 if (upperCharPos == -1)
1016 methodname = methodname.mid(upperCharPos);
1019 // and if it's a signal we discard everything from the last uppercase char
1020 upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
1021 if (upperCharPos == -1)
1023 methodname = methodname.left(upperCharPos);
1026 methodname[0] = methodname[0].toUpper();
1032 SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
1033 : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
1034 _returnType(QMetaType::type(method.typeName()))
1036 // determine argTypes
1037 QList<QByteArray> paramTypes = method.parameterTypes();
1038 QList<int> argTypes;
1039 for (int i = 0; i < paramTypes.count(); i++) {
1040 argTypes.append(QMetaType::type(paramTypes[i]));
1042 _argTypes = argTypes;
1044 // determine minArgCount
1045 QString signature(method.methodSignature());
1046 _minArgCount = method.parameterTypes().count() - signature.count("=");
1048 _receiverMode = (_methodName.startsWith("request"))
1049 ? SignalProxy::Server
1050 : SignalProxy::Client;