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 (argTypes.size() >= 1 && argTypes[0] == qMetaTypeId<PeerPtr>() && proxy()->proxyMode() == SignalProxy::Server) {
160 Peer *peer = params[0].value<PeerPtr>();
161 proxy()->dispatch(peer, RpcCall(signal.signature, params));
163 proxy()->dispatch(RpcCall(signal.signature, params));
165 _id -= _slots.count();
171 // ==================================================
173 // ==================================================
174 SignalProxy::SignalProxy(QObject *parent)
177 setProxyMode(Client);
182 SignalProxy::SignalProxy(ProxyMode mode, QObject *parent)
190 SignalProxy::~SignalProxy()
192 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
193 while (classIter != _syncSlave.end()) {
194 ObjectId::iterator objIter = classIter->begin();
195 while (objIter != classIter->end()) {
196 SyncableObject *obj = objIter.value();
197 objIter = classIter->erase(objIter);
198 obj->stopSynchronize(this);
208 void SignalProxy::setProxyMode(ProxyMode mode)
210 if (_peers.count()) {
211 qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
223 void SignalProxy::init()
225 _heartBeatInterval = 0;
226 _maxHeartBeatCount = 0;
227 _signalRelay = new SignalRelay(this);
228 setHeartBeatInterval(30);
229 setMaxHeartBeatCount(2);
235 void SignalProxy::initServer()
240 void SignalProxy::initClient()
242 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
246 void SignalProxy::setHeartBeatInterval(int secs)
248 if (_heartBeatInterval != secs) {
249 _heartBeatInterval = secs;
250 emit heartBeatIntervalChanged(secs);
255 void SignalProxy::setMaxHeartBeatCount(int max)
257 if (_maxHeartBeatCount != max) {
258 _maxHeartBeatCount = max;
259 emit maxHeartBeatCountChanged(max);
264 bool SignalProxy::addPeer(Peer *peer)
269 if (_peers.contains(peer))
272 if (!peer->isOpen()) {
273 qWarning("SignalProxy: peer needs to be open!");
277 if (proxyMode() == Client) {
278 if (!_peers.isEmpty()) {
279 qWarning("SignalProxy: only one peer allowed in client mode!");
282 connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
285 connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
286 connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
289 peer->setParent(this);
292 peer->_id = nextPeerId();
296 _peerMap[peer->_id] = peer;
298 peer->setSignalProxy(this);
300 if (_peers.count() == 1)
308 void SignalProxy::removeAllPeers()
310 Q_ASSERT(proxyMode() == Server || _peers.count() <= 1);
311 // wee need to copy that list since we modify it in the loop
312 QSet<Peer *> peers = _peers;
313 foreach(Peer *peer, peers) {
319 void SignalProxy::removePeer(Peer *peer)
322 qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
326 if (_peers.isEmpty()) {
327 qWarning() << "SignalProxy::removePeer(): No peers in use!";
331 if (!_peers.contains(peer)) {
332 qWarning() << "SignalProxy: unknown Peer" << peer;
336 disconnect(peer, 0, this, 0);
337 peer->setSignalProxy(0);
339 _peerMap.remove(peer->_id);
341 emit peerRemoved(peer);
343 if (peer->parent() == this)
348 if (_peers.isEmpty())
353 void SignalProxy::removePeerBySender()
355 removePeer(qobject_cast<Peer *>(sender()));
359 void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname)
361 if (proxyMode() == Client)
364 const QMetaObject *meta = obj->syncMetaObject();
365 const QByteArray className(meta->className());
366 objectRenamed(className, newname, oldname);
368 dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
372 void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname)
374 if (_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
375 SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
381 const QMetaObject *SignalProxy::metaObject(const QObject *obj)
383 if (const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(obj))
384 return syncObject->syncMetaObject();
386 return obj->metaObject();
390 SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const
392 if (_extendedMetaObjects.contains(meta))
393 return _extendedMetaObjects[meta];
399 SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
401 if (!_extendedMetaObjects.contains(meta)) {
402 _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
404 return _extendedMetaObjects[meta];
408 bool SignalProxy::attachSignal(QObject *sender, const char *signal, const QByteArray &sigName)
410 const QMetaObject *meta = sender->metaObject();
411 QByteArray sig(meta->normalizedSignature(signal).mid(1));
412 int methodId = meta->indexOfMethod(sig.constData());
413 if (methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
414 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
418 createExtendedMetaObject(meta);
419 _signalRelay->attachSignal(sender, methodId, sigName);
421 disconnect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
422 connect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
427 bool SignalProxy::attachSlot(const QByteArray &sigName, QObject *recv, const char *slot)
429 const QMetaObject *meta = recv->metaObject();
430 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
431 if (methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
432 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
436 createExtendedMetaObject(meta);
438 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
439 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
441 disconnect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
442 connect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
447 void SignalProxy::synchronize(SyncableObject *obj)
449 createExtendedMetaObject(obj, true);
451 // attaching as slave to receive sync Calls
452 QByteArray className(obj->syncMetaObject()->className());
453 _syncSlave[className][obj->objectName()] = obj;
455 if (proxyMode() == Server) {
456 obj->setInitialized();
457 emit objectInitialized(obj);
460 if (obj->isInitialized())
461 emit objectInitialized(obj);
466 obj->synchronize(this);
470 void SignalProxy::detachObject(QObject *obj)
477 void SignalProxy::detachSignals(QObject *sender)
479 _signalRelay->detachSignal(sender);
483 void SignalProxy::detachSlots(QObject *receiver)
485 SlotHash::iterator slotIter = _attachedSlots.begin();
486 while (slotIter != _attachedSlots.end()) {
487 if (slotIter.value().first == receiver) {
488 slotIter = _attachedSlots.erase(slotIter);
496 void SignalProxy::stopSynchronize(SyncableObject *obj)
498 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
499 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
500 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
501 while (classIter != _syncSlave.end()) {
502 if (classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
503 classIter->remove(obj->objectName());
508 obj->stopSynchronize(this);
513 void SignalProxy::dispatch(const T &protoMessage)
515 foreach (Peer *peer, _peers) {
517 peer->dispatch(protoMessage);
519 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
525 void SignalProxy::dispatch(Peer *peer, const T &protoMessage)
527 if (peer && peer->isOpen())
528 peer->dispatch(protoMessage);
530 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
534 void SignalProxy::handle(Peer *peer, const SyncMessage &syncMessage)
536 if (!_syncSlave.contains(syncMessage.className) || !_syncSlave[syncMessage.className].contains(syncMessage.objectName)) {
537 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
538 << syncMessage.params;
542 SyncableObject *receiver = _syncSlave[syncMessage.className][syncMessage.objectName];
543 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
544 if (!eMeta->slotMap().contains(syncMessage.slotName)) {
545 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
546 << syncMessage.params;
550 int slotId = eMeta->slotMap()[syncMessage.slotName];
551 if (proxyMode() != eMeta->receiverMode(slotId)) {
552 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
556 // We can no longer construct a QVariant from QMetaType::Void
557 QVariant returnValue;
558 int returnType = eMeta->returnType(slotId);
559 if (returnType != QMetaType::Void)
560 returnValue = QVariant(static_cast<QVariant::Type>(returnType));
562 if (!invokeSlot(receiver, slotId, syncMessage.params, returnValue, peer)) {
563 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
567 if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
568 int receiverId = eMeta->receiveMap()[slotId];
569 QVariantList returnParams;
570 if (eMeta->argTypes(receiverId).count() > 1)
571 returnParams << syncMessage.params;
572 returnParams << returnValue;
573 peer->dispatch(SyncMessage(syncMessage.className, syncMessage.objectName, eMeta->methodName(receiverId), returnParams));
576 // send emit update signal
577 invokeSlot(receiver, eMeta->updatedRemotelyId());
581 void SignalProxy::handle(Peer *peer, const InitRequest &initRequest)
583 if (!_syncSlave.contains(initRequest.className)) {
584 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
585 << initRequest.className;
589 if (!_syncSlave[initRequest.className].contains(initRequest.objectName)) {
590 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
591 << initRequest.className << initRequest.objectName;
595 SyncableObject *obj = _syncSlave[initRequest.className][initRequest.objectName];
596 peer->dispatch(InitData(initRequest.className, initRequest.objectName, initData(obj)));
600 void SignalProxy::handle(Peer *peer, const InitData &initData)
604 if (!_syncSlave.contains(initData.className)) {
605 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
606 << initData.className;
610 if (!_syncSlave[initData.className].contains(initData.objectName)) {
611 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
612 << initData.className << initData.objectName;
616 SyncableObject *obj = _syncSlave[initData.className][initData.objectName];
617 setInitData(obj, initData.initData);
621 void SignalProxy::handle(Peer *peer, const RpcCall &rpcCall)
625 SlotHash::const_iterator slot = _attachedSlots.constFind(rpcCall.slotName);
626 while (slot != _attachedSlots.constEnd() && slot.key() == rpcCall.slotName) {
627 receiver = (*slot).first;
628 methodId = (*slot).second;
629 if (!invokeSlot(receiver, methodId, rpcCall.params, peer)) {
630 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
631 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
638 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue, Peer *peer)
640 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
641 const QList<int> args = eMeta->argTypes(methodId);
642 const int numArgs = params.count() < args.count()
646 if (eMeta->minArgCount(methodId) > params.count()) {
647 qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << eMeta->methodName(methodId);
651 void *_a[] = { 0, // return type...
652 0, 0, 0, 0, 0, // and 10 args - that's the max size qt can handle with signals and slots
655 // check for argument compatibility and build params array
656 for (int i = 0; i < numArgs; i++) {
657 if (!params[i].isValid()) {
658 #if QT_VERSION >= 0x050000
659 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());
661 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());
663 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
666 if (args[i] != QMetaType::type(params[i].typeName())) {
667 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
670 // if first arg is a PeerPtr, replace it by the address of the peer originally receiving the RpcCall
671 if (peer && i == 0 && args[0] == qMetaTypeId<PeerPtr>()) {
672 QVariant v = QVariant::fromValue<PeerPtr>(peer);
673 _a[1] = const_cast<void*>(v.constData());
675 _a[i+1] = const_cast<void *>(params[i].constData());
678 if (returnValue.type() != QVariant::Invalid)
679 _a[0] = const_cast<void *>(returnValue.constData());
681 Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
682 ? Qt::DirectConnection
683 : Qt::QueuedConnection;
685 if (type == Qt::DirectConnection) {
686 return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
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 (argTypes.size() >= 1 && argTypes[0] == qMetaTypeId<PeerPtr>() && proxyMode() == SignalProxy::Server) {
768 Peer *peer = params[0].value<PeerPtr>();
769 dispatch(peer, SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
771 dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
775 void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
777 if (!reason.isEmpty())
778 qWarning() << qPrintable(reason);
779 QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
781 qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
786 void SignalProxy::dumpProxyStats()
789 if (proxyMode() == Server)
795 foreach(ObjectId oid, _syncSlave.values())
796 slaveCount += oid.count();
799 qDebug() << " Proxy Mode:" << mode;
800 qDebug() << " attached Slots:" << _attachedSlots.count();
801 qDebug() << " number of synced Slaves:" << slaveCount;
802 qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
806 void SignalProxy::updateSecureState()
808 bool wasSecure = _secure;
810 _secure = !_peers.isEmpty();
811 foreach (const Peer *peer, _peers) {
812 _secure &= peer->isSecure();
815 if (wasSecure != _secure)
816 emit secureStateChanged(_secure);
819 QVariantList SignalProxy::peerData() {
821 for (auto peer : _peers) {
823 data["id"] = peer->_id;
824 data["buildData"] = peer->_buildDate;
825 data["clientVersion"] = peer->_clientVersion;
826 data["description"] = peer->description();
827 data["secure"] = peer->isSecure();
833 Peer *SignalProxy::peerById(int peerId) {
834 return _peerMap[peerId];
838 // ==================================================
839 // ExtendedMetaObject
840 // ==================================================
841 SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
843 _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
845 for (int i = 0; i < _meta->methodCount(); i++) {
846 if (_meta->method(i).methodType() != QMetaMethod::Slot)
849 #if QT_VERSION >= 0x050000
850 if (_meta->method(i).methodSignature().contains('*'))
852 if (QByteArray(_meta->method(i).signature()).contains('*'))
854 continue; // skip methods with ptr params
856 QByteArray method = methodName(_meta->method(i));
857 if (method.startsWith("init"))
858 continue; // skip initializers
860 if (_methodIds.contains(method)) {
861 /* funny... moc creates for methods containing default parameters multiple metaMethod with separate methodIds.
862 we don't care... we just need the full fledged version
864 const QMetaMethod ¤t = _meta->method(_methodIds[method]);
865 const QMetaMethod &candidate = _meta->method(i);
866 if (current.parameterTypes().count() > candidate.parameterTypes().count()) {
867 int minCount = candidate.parameterTypes().count();
868 QList<QByteArray> commonParams = current.parameterTypes().mid(0, minCount);
869 if (commonParams == candidate.parameterTypes())
870 continue; // we already got the full featured version
873 int minCount = current.parameterTypes().count();
874 QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
875 if (commonParams == current.parameterTypes()) {
876 _methodIds[method] = i; // use the new one
880 if (checkConflicts) {
881 qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
882 #if QT_VERSION >= 0x050000
883 qWarning() << " - " << _meta->method(i).methodSignature() << "conflicts with" << _meta->method(_methodIds[method]).methodSignature();
885 qWarning() << " - " << _meta->method(i).signature() << "conflicts with" << _meta->method(_methodIds[method]).signature();
890 _methodIds[method] = i;
895 const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
897 if (!_methods.contains(methodId)) {
898 _methods[methodId] = MethodDescriptor(_meta->method(methodId));
900 return _methods[methodId];
904 const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap()
906 if (_receiveMap.isEmpty()) {
907 QHash<int, int> receiveMap;
909 QMetaMethod requestSlot;
910 QByteArray returnTypeName;
911 QByteArray signature;
912 QByteArray methodName;
916 const int methodCount = _meta->methodCount();
917 for (int i = 0; i < methodCount; i++) {
918 requestSlot = _meta->method(i);
919 if (requestSlot.methodType() != QMetaMethod::Slot)
922 returnTypeName = requestSlot.typeName();
923 if (QMetaType::Void == (QMetaType::Type)returnType(i))
926 #if QT_VERSION >= 0x050000
927 signature = requestSlot.methodSignature();
929 signature = QByteArray(requestSlot.signature());
931 if (!signature.startsWith("request"))
934 paramsPos = signature.indexOf('(');
938 methodName = signature.left(paramsPos);
939 params = signature.mid(paramsPos);
941 methodName = methodName.replace("request", "receive");
942 params = params.left(params.count() - 1) + ", " + returnTypeName + ")";
944 signature = QMetaObject::normalizedSignature(methodName + params);
945 receiverId = _meta->indexOfSlot(signature);
947 if (receiverId == -1) {
948 signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
949 receiverId = _meta->indexOfSlot(signature);
952 if (receiverId != -1) {
953 receiveMap[i] = receiverId;
956 _receiveMap = receiveMap;
962 QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
964 #if QT_VERSION >= 0x050000
965 QByteArray sig(method.methodSignature());
967 QByteArray sig(method.signature());
969 return sig.left(sig.indexOf("("));
973 QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
975 #if QT_VERSION >= 0x050000
976 QString methodname = QString(method.methodSignature()).section("(", 0, 0);
978 QString methodname = QString(method.signature()).section("(", 0, 0);
981 // determine where we have to chop:
983 if (method.methodType() == QMetaMethod::Slot) {
984 // we take evertyhing from the first uppercase char if it's slot
985 upperCharPos = methodname.indexOf(QRegExp("[A-Z]"));
986 if (upperCharPos == -1)
988 methodname = methodname.mid(upperCharPos);
991 // and if it's a signal we discard everything from the last uppercase char
992 upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
993 if (upperCharPos == -1)
995 methodname = methodname.left(upperCharPos);
998 methodname[0] = methodname[0].toUpper();
1004 SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
1005 : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
1006 _returnType(QMetaType::type(method.typeName()))
1008 // determine argTypes
1009 QList<QByteArray> paramTypes = method.parameterTypes();
1010 QList<int> argTypes;
1011 for (int i = 0; i < paramTypes.count(); i++) {
1012 argTypes.append(QMetaType::type(paramTypes[i]));
1014 _argTypes = argTypes;
1016 // determine minArgCount
1017 #if QT_VERSION >= 0x050000
1018 QString signature(method.methodSignature());
1020 QString signature(method.signature());
1022 _minArgCount = method.parameterTypes().count() - signature.count("=");
1024 _receiverMode = (_methodName.startsWith("request"))
1025 ? SignalProxy::Server
1026 : SignalProxy::Client;