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 ***************************************************************************/
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 fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).methodSignature());
102 _slots[slotId] = Signal(sender, signalId, fn);
104 QMetaObject::connect(sender, signalId, this, QObject::staticMetaObject.methodCount() + slotId);
108 void SignalProxy::SignalRelay::detachSignal(QObject *sender, int signalId)
110 QHash<int, Signal>::iterator slotIter = _slots.begin();
111 while (slotIter != _slots.end()) {
112 if (slotIter->sender == sender && (signalId == -1 || slotIter->signalId == signalId)) {
113 slotIter = _slots.erase(slotIter);
124 int SignalProxy::SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
126 _id = QObject::qt_metacall(_c, _id, _a);
130 if (_c == QMetaObject::InvokeMetaMethod) {
131 if (_slots.contains(_id)) {
132 QObject *caller = sender();
134 SignalProxy::ExtendedMetaObject *eMeta = proxy()->extendedMetaObject(caller->metaObject());
137 const Signal &signal = _slots[_id];
141 const QList<int> &argTypes = eMeta->argTypes(signal.signalId);
142 for (int i = 0; i < argTypes.size(); i++) {
143 if (argTypes[i] == 0) {
144 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());
145 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
148 params << QVariant(argTypes[i], _a[i+1]);
151 if (proxy()->_restrictMessageTarget) {
152 for (auto peer : proxy()->_restrictedTargets) {
154 proxy()->dispatch(peer, RpcCall(signal.signature, params));
157 proxy()->dispatch(RpcCall(signal.signature, params));
159 _id -= _slots.count();
165 // ==================================================
167 // ==================================================
169 thread_local SignalProxy *SignalProxy::_current{nullptr};
171 SignalProxy::SignalProxy(QObject *parent)
174 setProxyMode(Client);
179 SignalProxy::SignalProxy(ProxyMode mode, QObject *parent)
187 SignalProxy::~SignalProxy()
189 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
190 while (classIter != _syncSlave.end()) {
191 ObjectId::iterator objIter = classIter->begin();
192 while (objIter != classIter->end()) {
193 SyncableObject *obj = objIter.value();
194 objIter = classIter->erase(objIter);
195 obj->stopSynchronize(this);
207 void SignalProxy::setProxyMode(ProxyMode mode)
209 if (!_peerMap.empty()) {
210 qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
221 void SignalProxy::init()
223 _heartBeatInterval = 0;
224 _maxHeartBeatCount = 0;
225 _signalRelay = new SignalRelay(this);
226 setHeartBeatInterval(30);
227 setMaxHeartBeatCount(2);
234 void SignalProxy::initServer()
239 void SignalProxy::initClient()
241 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
245 void SignalProxy::setHeartBeatInterval(int secs)
247 if (_heartBeatInterval != secs) {
248 _heartBeatInterval = secs;
249 emit heartBeatIntervalChanged(secs);
254 void SignalProxy::setMaxHeartBeatCount(int max)
256 if (_maxHeartBeatCount != max) {
257 _maxHeartBeatCount = max;
258 emit maxHeartBeatCountChanged(max);
263 bool SignalProxy::addPeer(Peer *peer)
268 if (_peerMap.values().contains(peer))
271 if (!peer->isOpen()) {
272 qWarning("SignalProxy: peer needs to be open!");
276 if (proxyMode() == Client) {
277 if (!_peerMap.isEmpty()) {
278 qWarning("SignalProxy: only one peer allowed in client mode!");
281 connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
284 connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
285 connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
288 peer->setParent(this);
290 if (peer->id() < 0) {
291 peer->setId(nextPeerId());
292 peer->setConnectedSince(QDateTime::currentDateTimeUtc());
295 _peerMap[peer->id()] = peer;
297 peer->setSignalProxy(this);
299 if (peerCount() == 1)
307 void SignalProxy::removeAllPeers()
309 Q_ASSERT(proxyMode() == Server || peerCount() <= 1);
310 // wee need to copy that list since we modify it in the loop
311 QList<Peer *> peers = _peerMap.values();
312 for (auto peer : peers) {
318 void SignalProxy::removePeer(Peer *peer)
321 qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
325 if (_peerMap.isEmpty()) {
326 qWarning() << "SignalProxy::removePeer(): No peers in use!";
330 if (!_peerMap.values().contains(peer)) {
331 qWarning() << "SignalProxy: unknown Peer" << peer;
335 disconnect(peer, 0, this, 0);
336 peer->setSignalProxy(0);
338 _peerMap.remove(peer->id());
339 emit peerRemoved(peer);
341 if (peer->parent() == this)
346 if (_peerMap.isEmpty())
351 void SignalProxy::removePeerBySender()
353 removePeer(qobject_cast<Peer *>(sender()));
357 void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname)
359 if (proxyMode() == Client)
362 const QMetaObject *meta = obj->syncMetaObject();
363 const QByteArray className(meta->className());
364 objectRenamed(className, newname, oldname);
366 dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
370 void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname)
372 if (_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
373 SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
379 const QMetaObject *SignalProxy::metaObject(const QObject *obj)
381 if (const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(obj))
382 return syncObject->syncMetaObject();
384 return obj->metaObject();
388 SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const
390 if (_extendedMetaObjects.contains(meta))
391 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];
406 bool SignalProxy::attachSignal(QObject *sender, const char *signal, const QByteArray &sigName)
408 const QMetaObject *meta = sender->metaObject();
409 QByteArray sig(meta->normalizedSignature(signal).mid(1));
410 int methodId = meta->indexOfMethod(sig.constData());
411 if (methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
412 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
416 createExtendedMetaObject(meta);
417 _signalRelay->attachSignal(sender, methodId, sigName);
419 disconnect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
420 connect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
425 bool SignalProxy::attachSlot(const QByteArray &sigName, QObject *recv, const char *slot)
427 const QMetaObject *meta = recv->metaObject();
428 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
429 if (methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
430 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
434 createExtendedMetaObject(meta);
436 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
437 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
439 disconnect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
440 connect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
445 void SignalProxy::synchronize(SyncableObject *obj)
447 createExtendedMetaObject(obj, true);
449 // attaching as slave to receive sync Calls
450 QByteArray className(obj->syncMetaObject()->className());
451 _syncSlave[className][obj->objectName()] = obj;
453 if (proxyMode() == Server) {
454 obj->setInitialized();
455 emit objectInitialized(obj);
458 if (obj->isInitialized())
459 emit objectInitialized(obj);
464 obj->synchronize(this);
468 void SignalProxy::detachObject(QObject *obj)
470 // Don't try to connect SignalProxy from itself on shutdown
478 void SignalProxy::detachSignals(QObject *sender)
480 _signalRelay->detachSignal(sender);
484 void SignalProxy::detachSlots(QObject *receiver)
486 SlotHash::iterator slotIter = _attachedSlots.begin();
487 while (slotIter != _attachedSlots.end()) {
488 if (slotIter.value().first == receiver) {
489 slotIter = _attachedSlots.erase(slotIter);
497 void SignalProxy::stopSynchronize(SyncableObject *obj)
499 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
500 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
501 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
502 while (classIter != _syncSlave.end()) {
503 if (classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
504 classIter->remove(obj->objectName());
509 obj->stopSynchronize(this);
514 void SignalProxy::dispatch(const T &protoMessage)
516 for (auto&& peer : _peerMap.values()) {
517 dispatch(peer, protoMessage);
523 void SignalProxy::dispatch(Peer *peer, const T &protoMessage)
527 if (peer && peer->isOpen())
528 peer->dispatch(protoMessage);
530 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
532 _targetPeer = nullptr;
536 void SignalProxy::handle(Peer *peer, const SyncMessage &syncMessage)
538 if (!_syncSlave.contains(syncMessage.className) || !_syncSlave[syncMessage.className].contains(syncMessage.objectName)) {
539 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
540 << syncMessage.params;
544 SyncableObject *receiver = _syncSlave[syncMessage.className][syncMessage.objectName];
545 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
546 if (!eMeta->slotMap().contains(syncMessage.slotName)) {
547 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
548 << syncMessage.params;
552 int slotId = eMeta->slotMap()[syncMessage.slotName];
553 if (proxyMode() != eMeta->receiverMode(slotId)) {
554 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
558 // We can no longer construct a QVariant from QMetaType::Void
559 QVariant returnValue;
560 int returnType = eMeta->returnType(slotId);
561 if (returnType != QMetaType::Void)
562 returnValue = QVariant(static_cast<QVariant::Type>(returnType));
564 if (!invokeSlot(receiver, slotId, syncMessage.params, returnValue, peer)) {
565 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
569 if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
570 int receiverId = eMeta->receiveMap()[slotId];
571 QVariantList returnParams;
572 if (eMeta->argTypes(receiverId).count() > 1)
573 returnParams << syncMessage.params;
574 returnParams << returnValue;
576 peer->dispatch(SyncMessage(syncMessage.className, syncMessage.objectName, eMeta->methodName(receiverId), returnParams));
577 _targetPeer = nullptr;
580 // send emit update signal
581 invokeSlot(receiver, eMeta->updatedRemotelyId());
585 void SignalProxy::handle(Peer *peer, const InitRequest &initRequest)
587 if (!_syncSlave.contains(initRequest.className)) {
588 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
589 << initRequest.className;
593 if (!_syncSlave[initRequest.className].contains(initRequest.objectName)) {
594 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
595 << initRequest.className << initRequest.objectName;
599 SyncableObject *obj = _syncSlave[initRequest.className][initRequest.objectName];
601 peer->dispatch(InitData(initRequest.className, initRequest.objectName, initData(obj)));
602 _targetPeer = nullptr;
606 void SignalProxy::handle(Peer *peer, const InitData &initData)
610 if (!_syncSlave.contains(initData.className)) {
611 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
612 << initData.className;
616 if (!_syncSlave[initData.className].contains(initData.objectName)) {
617 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
618 << initData.className << initData.objectName;
622 SyncableObject *obj = _syncSlave[initData.className][initData.objectName];
623 setInitData(obj, initData.initData);
627 void SignalProxy::handle(Peer *peer, const RpcCall &rpcCall)
631 SlotHash::const_iterator slot = _attachedSlots.constFind(rpcCall.slotName);
632 while (slot != _attachedSlots.constEnd() && slot.key() == rpcCall.slotName) {
633 receiver = (*slot).first;
634 methodId = (*slot).second;
635 if (!invokeSlot(receiver, methodId, rpcCall.params, peer)) {
636 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
637 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
644 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue, Peer *peer)
646 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
647 const QList<int> args = eMeta->argTypes(methodId);
648 const int numArgs = params.count() < args.count()
652 if (eMeta->minArgCount(methodId) > params.count()) {
653 qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << eMeta->methodName(methodId);
657 void *_a[] = { 0, // return type...
658 0, 0, 0, 0, 0, // and 10 args - that's the max size qt can handle with signals and slots
661 // check for argument compatibility and build params array
662 for (int i = 0; i < numArgs; i++) {
663 if (!params[i].isValid()) {
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).methodSignature().constData());
665 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
668 if (args[i] != QMetaType::type(params[i].typeName())) {
669 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
673 _a[i+1] = const_cast<void *>(params[i].constData());
676 if (returnValue.type() != QVariant::Invalid)
677 _a[0] = const_cast<void *>(returnValue.constData());
679 Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
680 ? Qt::DirectConnection
681 : Qt::QueuedConnection;
683 if (type == Qt::DirectConnection) {
685 auto result = receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
686 _sourcePeer = nullptr;
689 qWarning() << "Queued Connections are not implemented yet";
690 // note to self: qmetaobject.cpp:990 ff
696 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, Peer *peer)
699 return invokeSlot(receiver, methodId, params, ret, peer);
703 void SignalProxy::requestInit(SyncableObject *obj)
705 if (proxyMode() == Server || obj->isInitialized())
708 dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
712 QVariantMap SignalProxy::initData(SyncableObject *obj) const
714 return obj->toVariantMap();
718 void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties)
720 if (obj->isInitialized())
722 obj->fromVariantMap(properties);
723 obj->setInitialized();
724 emit objectInitialized(obj);
725 invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
729 void SignalProxy::customEvent(QEvent *event)
731 switch ((int)event->type()) {
732 case RemovePeerEvent: {
733 ::RemovePeerEvent *e = static_cast< ::RemovePeerEvent *>(event);
740 qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
746 void SignalProxy::sync_call__(const SyncableObject *obj, SignalProxy::ProxyMode modeType, const char *funcname, va_list ap)
748 // qDebug() << obj << modeType << "(" << _proxyMode << ")" << funcname;
749 if (modeType != _proxyMode)
752 ExtendedMetaObject *eMeta = extendedMetaObject(obj);
756 const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
758 for (int i = 0; i < argTypes.size(); i++) {
759 if (argTypes[i] == 0) {
760 qWarning() << Q_FUNC_INFO << "received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(eMeta->metaObject()->className()).arg(funcname);
761 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
764 params << QVariant(argTypes[i], va_arg(ap, void *));
767 if (_restrictMessageTarget) {
768 for (auto peer : _restrictedTargets) {
770 dispatch(peer, SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
773 dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
777 void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
779 if (!reason.isEmpty())
780 qWarning() << qPrintable(reason);
781 QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
783 qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
788 void SignalProxy::dumpProxyStats()
791 if (proxyMode() == Server)
797 foreach(ObjectId oid, _syncSlave.values())
798 slaveCount += oid.count();
801 qDebug() << " Proxy Mode:" << mode;
802 qDebug() << " attached Slots:" << _attachedSlots.count();
803 qDebug() << " number of synced Slaves:" << slaveCount;
804 qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
808 void SignalProxy::updateSecureState()
810 bool wasSecure = _secure;
812 _secure = !_peerMap.isEmpty();
813 for (auto peer : _peerMap.values()) {
814 _secure &= peer->isSecure();
817 if (wasSecure != _secure)
818 emit secureStateChanged(_secure);
821 QVariantList SignalProxy::peerData() {
823 for (auto &&peer : _peerMap.values()) {
825 data["id"] = peer->id();
826 data["clientVersion"] = peer->clientVersion();
827 // We explicitly rename this, as, due to the Debian reproducability changes, buildDate isn’t actually the build
828 // date anymore, but on newer clients the date of the last git commit
829 data["clientVersionDate"] = peer->buildDate();
830 data["remoteAddress"] = peer->address();
831 data["connectedSince"] = peer->connectedSince();
832 data["secure"] = peer->isSecure();
833 data["features"] = static_cast<quint32>(peer->features().toLegacyFeatures());
834 data["featureList"] = peer->features().toStringList();
840 Peer *SignalProxy::peerById(int peerId) {
841 // We use ::value() here instead of the [] operator because the latter has the side-effect
842 // of automatically inserting a null value with the passed key into the map. See
843 // https://doc.qt.io/qt-5/qhash.html#operator-5b-5d and https://doc.qt.io/qt-5/qhash.html#value.
844 return _peerMap.value(peerId);
847 void SignalProxy::restrictTargetPeers(QSet<Peer*> peers, std::function<void()> closure)
849 auto previousRestrictMessageTarget = _restrictMessageTarget;
850 auto previousRestrictedTargets = _restrictedTargets;
851 _restrictMessageTarget = true;
852 _restrictedTargets = peers;
856 _restrictMessageTarget = previousRestrictMessageTarget;
857 _restrictedTargets = previousRestrictedTargets;
860 Peer *SignalProxy::sourcePeer() {
864 void SignalProxy::setSourcePeer(Peer *sourcePeer) {
865 _sourcePeer = sourcePeer;
868 Peer *SignalProxy::targetPeer() {
872 void SignalProxy::setTargetPeer(Peer *targetPeer) {
873 _targetPeer = targetPeer;
876 // ==================================================
877 // ExtendedMetaObject
878 // ==================================================
879 SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
881 _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
883 for (int i = 0; i < _meta->methodCount(); i++) {
884 if (_meta->method(i).methodType() != QMetaMethod::Slot)
887 if (_meta->method(i).methodSignature().contains('*'))
888 continue; // skip methods with ptr params
890 QByteArray method = methodName(_meta->method(i));
891 if (method.startsWith("init"))
892 continue; // skip initializers
894 if (_methodIds.contains(method)) {
895 /* funny... moc creates for methods containing default parameters multiple metaMethod with separate methodIds.
896 we don't care... we just need the full fledged version
898 const QMetaMethod ¤t = _meta->method(_methodIds[method]);
899 const QMetaMethod &candidate = _meta->method(i);
900 if (current.parameterTypes().count() > candidate.parameterTypes().count()) {
901 int minCount = candidate.parameterTypes().count();
902 QList<QByteArray> commonParams = current.parameterTypes().mid(0, minCount);
903 if (commonParams == candidate.parameterTypes())
904 continue; // we already got the full featured version
907 int minCount = current.parameterTypes().count();
908 QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
909 if (commonParams == current.parameterTypes()) {
910 _methodIds[method] = i; // use the new one
914 if (checkConflicts) {
915 qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
916 qWarning() << " - " << _meta->method(i).methodSignature() << "conflicts with" << _meta->method(_methodIds[method]).methodSignature();
920 _methodIds[method] = i;
925 const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
927 if (!_methods.contains(methodId)) {
928 _methods[methodId] = MethodDescriptor(_meta->method(methodId));
930 return _methods[methodId];
934 const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap()
936 if (_receiveMap.isEmpty()) {
937 QHash<int, int> receiveMap;
939 QMetaMethod requestSlot;
940 QByteArray returnTypeName;
941 QByteArray signature;
942 QByteArray methodName;
946 const int methodCount = _meta->methodCount();
947 for (int i = 0; i < methodCount; i++) {
948 requestSlot = _meta->method(i);
949 if (requestSlot.methodType() != QMetaMethod::Slot)
952 returnTypeName = requestSlot.typeName();
953 if (QMetaType::Void == (QMetaType::Type)returnType(i))
956 signature = requestSlot.methodSignature();
957 if (!signature.startsWith("request"))
960 paramsPos = signature.indexOf('(');
964 methodName = signature.left(paramsPos);
965 params = signature.mid(paramsPos);
967 methodName = methodName.replace("request", "receive");
968 params = params.left(params.count() - 1) + ", " + returnTypeName + ")";
970 signature = QMetaObject::normalizedSignature(methodName + params);
971 receiverId = _meta->indexOfSlot(signature);
973 if (receiverId == -1) {
974 signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
975 receiverId = _meta->indexOfSlot(signature);
978 if (receiverId != -1) {
979 receiveMap[i] = receiverId;
982 _receiveMap = receiveMap;
988 QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
990 QByteArray sig(method.methodSignature());
991 return sig.left(sig.indexOf("("));
995 QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
997 QString methodname = QString(method.methodSignature()).section("(", 0, 0);
999 // determine where we have to chop:
1001 if (method.methodType() == QMetaMethod::Slot) {
1002 // we take evertyhing from the first uppercase char if it's slot
1003 upperCharPos = methodname.indexOf(QRegExp("[A-Z]"));
1004 if (upperCharPos == -1)
1006 methodname = methodname.mid(upperCharPos);
1009 // and if it's a signal we discard everything from the last uppercase char
1010 upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
1011 if (upperCharPos == -1)
1013 methodname = methodname.left(upperCharPos);
1016 methodname[0] = methodname[0].toUpper();
1022 SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
1023 : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
1024 _returnType(QMetaType::type(method.typeName()))
1026 // determine argTypes
1027 QList<QByteArray> paramTypes = method.parameterTypes();
1028 QList<int> argTypes;
1029 for (int i = 0; i < paramTypes.count(); i++) {
1030 argTypes.append(QMetaType::type(paramTypes[i]));
1032 _argTypes = argTypes;
1034 // determine minArgCount
1035 QString signature(method.methodSignature());
1036 _minArgCount = method.parameterTypes().count() - signature.count("=");
1038 _receiverMode = (_methodName.startsWith("request"))
1039 ? SignalProxy::Server
1040 : SignalProxy::Client;