1 /***************************************************************************
2 * Copyright (C) 2005-2013 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 "signalproxy.h"
25 #include <QAbstractSocket>
26 #include <QHostAddress>
32 #include <QMetaMethod>
33 #include <QMetaProperty>
41 #include <QCoreApplication>
45 #include "syncableobject.h"
48 using namespace Protocol;
50 class RemovePeerEvent : public QEvent
53 RemovePeerEvent(Peer *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeerEvent)), peer(peer) {}
58 // ==================================================
60 // ==================================================
61 class SignalProxy::SignalRelay : public QObject
63 /* Q_OBJECT is not necessary or even allowed, because we implement
64 qt_metacall ourselves (and don't use any other features of the meta
68 SignalRelay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
69 inline SignalProxy *proxy() const { return _proxy; }
71 int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
73 void attachSignal(QObject *sender, int signalId, const QByteArray &funcName);
74 void detachSignal(QObject *sender, int signalId = -1);
81 Signal(QObject *sender, int sigId, const QByteArray &signature) : sender(sender), signalId(sigId), signature(signature) {}
82 Signal() : sender(0), signalId(-1) {}
86 QHash<int, Signal> _slots;
90 void SignalProxy::SignalRelay::attachSignal(QObject *sender, int signalId, const QByteArray &funcName)
92 // we ride without safetybelts here... all checking for valid method etc pp has to be done by the caller
93 // all connected methodIds are offset by the standard methodCount of QObject
95 for (int i = 0;; i++) {
96 if (!_slots.contains(i)) {
103 if (!funcName.isEmpty()) {
104 fn = QMetaObject::normalizedSignature(funcName);
107 fn = SIGNAL(fakeMethodSignature());
108 fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).signature());
111 _slots[slotId] = Signal(sender, signalId, fn);
113 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);
133 int SignalProxy::SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
135 _id = QObject::qt_metacall(_c, _id, _a);
139 if (_c == QMetaObject::InvokeMetaMethod) {
140 if (_slots.contains(_id)) {
141 QObject *caller = sender();
143 SignalProxy::ExtendedMetaObject *eMeta = proxy()->extendedMetaObject(caller->metaObject());
146 const Signal &signal = _slots[_id];
150 const QList<int> &argTypes = eMeta->argTypes(signal.signalId);
151 for (int i = 0; i < argTypes.size(); i++) {
152 if (argTypes[i] == 0) {
153 qWarning() << "SignalRelay::qt_metacall(): received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(caller->metaObject()->className()).arg(caller->metaObject()->method(_id).signature());
154 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
157 params << QVariant(argTypes[i], _a[i+1]);
160 proxy()->dispatch(RpcCall(signal.signature, params));
162 _id -= _slots.count();
168 // ==================================================
170 // ==================================================
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);
205 void SignalProxy::setProxyMode(ProxyMode mode)
207 if (_peers.count()) {
208 qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
220 void SignalProxy::init()
222 _heartBeatInterval = 0;
223 _maxHeartBeatCount = 0;
224 _signalRelay = new SignalRelay(this);
225 setHeartBeatInterval(30);
226 setMaxHeartBeatCount(2);
232 void SignalProxy::initServer()
237 void SignalProxy::initClient()
239 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
243 void SignalProxy::setHeartBeatInterval(int secs)
245 if (_heartBeatInterval != secs) {
246 _heartBeatInterval = secs;
247 emit heartBeatIntervalChanged(secs);
252 void SignalProxy::setMaxHeartBeatCount(int max)
254 if (_maxHeartBeatCount != max) {
255 _maxHeartBeatCount = max;
256 emit maxHeartBeatCountChanged(max);
261 bool SignalProxy::addPeer(Peer *peer)
266 if (_peers.contains(peer))
269 if (!peer->isOpen()) {
270 qWarning("SignalProxy: peer needs to be open!");
274 if (proxyMode() == Client) {
275 if (!_peers.isEmpty()) {
276 qWarning("SignalProxy: only one peer allowed in client mode!");
279 connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
282 connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
283 connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
286 peer->setParent(this);
290 peer->setSignalProxy(this);
292 if (_peers.count() == 1)
300 void SignalProxy::removeAllPeers()
302 Q_ASSERT(proxyMode() == Server || _peers.count() <= 1);
303 // wee need to copy that list since we modify it in the loop
304 QSet<Peer *> peers = _peers;
305 foreach(Peer *peer, peers) {
311 void SignalProxy::removePeer(Peer *peer)
314 qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
318 if (_peers.isEmpty()) {
319 qWarning() << "SignalProxy::removePeer(): No peers in use!";
323 if (!_peers.contains(peer)) {
324 qWarning() << "SignalProxy: unknown Peer" << peer;
328 disconnect(peer, 0, this, 0);
329 peer->setSignalProxy(0);
332 emit peerRemoved(peer);
334 if (peer->parent() == this)
339 if (_peers.isEmpty())
344 void SignalProxy::removePeerBySender()
346 removePeer(qobject_cast<Peer *>(sender()));
350 void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname)
352 if (proxyMode() == Client)
355 const QMetaObject *meta = obj->syncMetaObject();
356 const QByteArray className(meta->className());
357 objectRenamed(className, newname, oldname);
359 dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
363 void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname)
365 if (_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
366 SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
372 const QMetaObject *SignalProxy::metaObject(const QObject *obj)
374 if (const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(obj))
375 return syncObject->syncMetaObject();
377 return obj->metaObject();
381 SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const
383 if (_extendedMetaObjects.contains(meta))
384 return _extendedMetaObjects[meta];
390 SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
392 if (!_extendedMetaObjects.contains(meta)) {
393 _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
395 return _extendedMetaObjects[meta];
399 bool SignalProxy::attachSignal(QObject *sender, const char *signal, const QByteArray &sigName)
401 const QMetaObject *meta = sender->metaObject();
402 QByteArray sig(meta->normalizedSignature(signal).mid(1));
403 int methodId = meta->indexOfMethod(sig.constData());
404 if (methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
405 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
409 createExtendedMetaObject(meta);
410 _signalRelay->attachSignal(sender, methodId, sigName);
412 disconnect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
413 connect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
418 bool SignalProxy::attachSlot(const QByteArray &sigName, QObject *recv, const char *slot)
420 const QMetaObject *meta = recv->metaObject();
421 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
422 if (methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
423 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
427 createExtendedMetaObject(meta);
429 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
430 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
432 disconnect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
433 connect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
438 void SignalProxy::synchronize(SyncableObject *obj)
440 createExtendedMetaObject(obj, true);
442 // attaching as slave to receive sync Calls
443 QByteArray className(obj->syncMetaObject()->className());
444 _syncSlave[className][obj->objectName()] = obj;
446 if (proxyMode() == Server) {
447 obj->setInitialized();
448 emit objectInitialized(obj);
451 if (obj->isInitialized())
452 emit objectInitialized(obj);
457 obj->synchronize(this);
461 void SignalProxy::detachObject(QObject *obj)
468 void SignalProxy::detachSignals(QObject *sender)
470 _signalRelay->detachSignal(sender);
474 void SignalProxy::detachSlots(QObject *receiver)
476 SlotHash::iterator slotIter = _attachedSlots.begin();
477 while (slotIter != _attachedSlots.end()) {
478 if (slotIter.value().first == receiver) {
479 slotIter = _attachedSlots.erase(slotIter);
487 void SignalProxy::stopSynchronize(SyncableObject *obj)
489 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
490 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
491 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
492 while (classIter != _syncSlave.end()) {
493 if (classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
494 classIter->remove(obj->objectName());
499 obj->stopSynchronize(this);
504 void SignalProxy::dispatch(const T &protoMessage)
506 foreach (Peer *peer, _peers) {
508 peer->dispatch(protoMessage);
510 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
515 void SignalProxy::handle(Peer *peer, const SyncMessage &syncMessage)
517 if (!_syncSlave.contains(syncMessage.className()) || !_syncSlave[syncMessage.className()].contains(syncMessage.objectName())) {
518 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className(), syncMessage.slotName(), syncMessage.objectName())
519 << syncMessage.params();
523 SyncableObject *receiver = _syncSlave[syncMessage.className()][syncMessage.objectName()];
524 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
525 if (!eMeta->slotMap().contains(syncMessage.slotName())) {
526 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className(), syncMessage.slotName(), syncMessage.objectName())
527 << syncMessage.params();
531 int slotId = eMeta->slotMap()[syncMessage.slotName()];
532 if (proxyMode() != eMeta->receiverMode(slotId)) {
533 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
537 QVariant returnValue((QVariant::Type)eMeta->returnType(slotId));
538 if (!invokeSlot(receiver, slotId, syncMessage.params(), returnValue)) {
539 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
543 if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
544 int receiverId = eMeta->receiveMap()[slotId];
545 QVariantList returnParams;
546 if (eMeta->argTypes(receiverId).count() > 1)
547 returnParams << syncMessage.params();
548 returnParams << returnValue;
549 peer->dispatch(SyncMessage(syncMessage.className(), syncMessage.objectName(), eMeta->methodName(receiverId), returnParams));
552 // send emit update signal
553 invokeSlot(receiver, eMeta->updatedRemotelyId());
557 void SignalProxy::handle(Peer *peer, const InitRequest &initRequest)
559 if (!_syncSlave.contains(initRequest.className())) {
560 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
561 << initRequest.className();
565 if (!_syncSlave[initRequest.className()].contains(initRequest.objectName())) {
566 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
567 << initRequest.className() << initRequest.objectName();
571 SyncableObject *obj = _syncSlave[initRequest.className()][initRequest.objectName()];
572 peer->dispatch(InitData(initRequest.className(), initRequest.objectName(), initData(obj)));
576 void SignalProxy::handle(Peer *peer, const InitData &initData)
580 if (!_syncSlave.contains(initData.className())) {
581 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
582 << initData.className();
586 if (!_syncSlave[initData.className()].contains(initData.objectName())) {
587 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
588 << initData.className() << initData.objectName();
592 SyncableObject *obj = _syncSlave[initData.className()][initData.objectName()];
593 setInitData(obj, initData.initData());
597 void SignalProxy::handle(Peer *peer, const RpcCall &rpcCall)
603 SlotHash::const_iterator slot = _attachedSlots.constFind(rpcCall.slotName());
604 while (slot != _attachedSlots.constEnd() && slot.key() == rpcCall.slotName()) {
605 receiver = (*slot).first;
606 methodId = (*slot).second;
607 if (!invokeSlot(receiver, methodId, rpcCall.params())) {
608 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
609 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
616 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue)
618 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
619 const QList<int> args = eMeta->argTypes(methodId);
620 const int numArgs = params.count() < args.count()
624 if (eMeta->minArgCount(methodId) > params.count()) {
625 qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << eMeta->methodName(methodId);
629 void *_a[] = { 0, // return type...
630 0, 0, 0, 0, 0, // and 10 args - that's the max size qt can handle with signals and slots
633 // check for argument compatibility and build params array
634 for (int i = 0; i < numArgs; i++) {
635 if (!params[i].isValid()) {
636 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());
637 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
640 if (args[i] != QMetaType::type(params[i].typeName())) {
641 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
644 _a[i+1] = const_cast<void *>(params[i].constData());
647 if (returnValue.type() != QVariant::Invalid)
648 _a[0] = const_cast<void *>(returnValue.constData());
650 Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
651 ? Qt::DirectConnection
652 : Qt::QueuedConnection;
654 if (type == Qt::DirectConnection) {
655 return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
658 qWarning() << "Queued Connections are not implemented yet";
659 // note to self: qmetaobject.cpp:990 ff
665 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms)
668 return invokeSlot(receiver, methodId, params, ret);
672 void SignalProxy::requestInit(SyncableObject *obj)
674 if (proxyMode() == Server || obj->isInitialized())
677 dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
681 QVariantMap SignalProxy::initData(SyncableObject *obj) const
683 return obj->toVariantMap();
687 void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties)
689 if (obj->isInitialized())
691 obj->fromVariantMap(properties);
692 obj->setInitialized();
693 emit objectInitialized(obj);
694 invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
698 void SignalProxy::customEvent(QEvent *event)
700 switch ((int)event->type()) {
701 case RemovePeerEvent: {
702 ::RemovePeerEvent *e = static_cast< ::RemovePeerEvent *>(event);
709 qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
715 void SignalProxy::sync_call__(const SyncableObject *obj, SignalProxy::ProxyMode modeType, const char *funcname, va_list ap)
717 // qDebug() << obj << modeType << "(" << _proxyMode << ")" << funcname;
718 if (modeType != _proxyMode)
721 ExtendedMetaObject *eMeta = extendedMetaObject(obj);
725 const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
727 for (int i = 0; i < argTypes.size(); i++) {
728 if (argTypes[i] == 0) {
729 qWarning() << Q_FUNC_INFO << "received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(eMeta->metaObject()->className()).arg(funcname);
730 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
733 params << QVariant(argTypes[i], va_arg(ap, void *));
736 dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
740 void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
742 if (!reason.isEmpty())
743 qWarning() << qPrintable(reason);
744 QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
746 qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
751 void SignalProxy::dumpProxyStats()
754 if (proxyMode() == Server)
760 foreach(ObjectId oid, _syncSlave.values())
761 slaveCount += oid.count();
764 qDebug() << " Proxy Mode:" << mode;
765 qDebug() << " attached Slots:" << _attachedSlots.count();
766 qDebug() << " number of synced Slaves:" << slaveCount;
767 qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
771 void SignalProxy::updateSecureState()
773 bool wasSecure = _secure;
775 _secure = !_peers.isEmpty();
776 foreach (const Peer *peer, _peers) {
777 _secure &= peer->isSecure();
780 if (wasSecure != _secure)
781 emit secureStateChanged(_secure);
785 // ==================================================
786 // ExtendedMetaObject
787 // ==================================================
788 SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
790 _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
792 for (int i = 0; i < _meta->methodCount(); i++) {
793 if (_meta->method(i).methodType() != QMetaMethod::Slot)
796 if (QByteArray(_meta->method(i).signature()).contains('*'))
797 continue; // skip methods with ptr params
799 QByteArray method = methodName(_meta->method(i));
800 if (method.startsWith("init"))
801 continue; // skip initializers
803 if (_methodIds.contains(method)) {
804 /* funny... moc creates for methods containing default parameters multiple metaMethod with separate methodIds.
805 we don't care... we just need the full fledged version
807 const QMetaMethod ¤t = _meta->method(_methodIds[method]);
808 const QMetaMethod &candidate = _meta->method(i);
809 if (current.parameterTypes().count() > candidate.parameterTypes().count()) {
810 int minCount = candidate.parameterTypes().count();
811 QList<QByteArray> commonParams = current.parameterTypes().mid(0, minCount);
812 if (commonParams == candidate.parameterTypes())
813 continue; // we already got the full featured version
816 int minCount = current.parameterTypes().count();
817 QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
818 if (commonParams == current.parameterTypes()) {
819 _methodIds[method] = i; // use the new one
823 if (checkConflicts) {
824 qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
825 qWarning() << " - " << _meta->method(i).signature() << "conflicts with" << _meta->method(_methodIds[method]).signature();
829 _methodIds[method] = i;
834 const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
836 if (!_methods.contains(methodId)) {
837 _methods[methodId] = MethodDescriptor(_meta->method(methodId));
839 return _methods[methodId];
843 const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap()
845 if (_receiveMap.isEmpty()) {
846 QHash<int, int> receiveMap;
848 QMetaMethod requestSlot;
849 QByteArray returnTypeName;
850 QByteArray signature;
851 QByteArray methodName;
855 const int methodCount = _meta->methodCount();
856 for (int i = 0; i < methodCount; i++) {
857 requestSlot = _meta->method(i);
858 if (requestSlot.methodType() != QMetaMethod::Slot)
861 returnTypeName = requestSlot.typeName();
862 if (QMetaType::Void == (QMetaType::Type)returnType(i))
865 signature = QByteArray(requestSlot.signature());
866 if (!signature.startsWith("request"))
869 paramsPos = signature.indexOf('(');
873 methodName = signature.left(paramsPos);
874 params = signature.mid(paramsPos);
876 methodName = methodName.replace("request", "receive");
877 params = params.left(params.count() - 1) + ", " + returnTypeName + ")";
879 signature = QMetaObject::normalizedSignature(methodName + params);
880 receiverId = _meta->indexOfSlot(signature);
882 if (receiverId == -1) {
883 signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
884 receiverId = _meta->indexOfSlot(signature);
887 if (receiverId != -1) {
888 receiveMap[i] = receiverId;
891 _receiveMap = receiveMap;
897 QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
899 QByteArray sig(method.signature());
900 return sig.left(sig.indexOf("("));
904 QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
906 QString methodname = QString(method.signature()).section("(", 0, 0);
908 // determine where we have to chop:
910 if (method.methodType() == QMetaMethod::Slot) {
911 // we take evertyhing from the first uppercase char if it's slot
912 upperCharPos = methodname.indexOf(QRegExp("[A-Z]"));
913 if (upperCharPos == -1)
915 methodname = methodname.mid(upperCharPos);
918 // and if it's a signal we discard everything from the last uppercase char
919 upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
920 if (upperCharPos == -1)
922 methodname = methodname.left(upperCharPos);
925 methodname[0] = methodname[0].toUpper();
931 SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
932 : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
933 _returnType(QMetaType::type(method.typeName()))
935 // determine argTypes
936 QList<QByteArray> paramTypes = method.parameterTypes();
938 for (int i = 0; i < paramTypes.count(); i++) {
939 argTypes.append(QMetaType::type(paramTypes[i]));
941 _argTypes = argTypes;
943 // determine minArgCount
944 QString signature(method.signature());
945 _minArgCount = method.parameterTypes().count() - signature.count("=");
947 _receiverMode = (_methodName.startsWith("request"))
948 ? SignalProxy::Server
949 : SignalProxy::Client;