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 <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).signature());
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(_id).signature());
145 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
148 params << QVariant(argTypes[i], _a[i+1]);
151 if (argTypes.size() >= 1 && argTypes[0] == qMetaTypeId<PeerPtr>() && proxy()->proxyMode() == SignalProxy::Server) {
152 Peer *peer = params[0].value<PeerPtr>();
153 proxy()->dispatch(peer, RpcCall(signal.signature, params));
155 proxy()->dispatch(RpcCall(signal.signature, params));
157 _id -= _slots.count();
163 // ==================================================
165 // ==================================================
166 SignalProxy::SignalProxy(QObject *parent)
169 setProxyMode(Client);
174 SignalProxy::SignalProxy(ProxyMode mode, QObject *parent)
182 SignalProxy::~SignalProxy()
184 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
185 while (classIter != _syncSlave.end()) {
186 ObjectId::iterator objIter = classIter->begin();
187 while (objIter != classIter->end()) {
188 SyncableObject *obj = objIter.value();
189 objIter = classIter->erase(objIter);
190 obj->stopSynchronize(this);
200 void SignalProxy::setProxyMode(ProxyMode mode)
202 if (_peers.count()) {
203 qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
215 void SignalProxy::init()
217 _heartBeatInterval = 0;
218 _maxHeartBeatCount = 0;
219 _signalRelay = new SignalRelay(this);
220 setHeartBeatInterval(30);
221 setMaxHeartBeatCount(2);
227 void SignalProxy::initServer()
232 void SignalProxy::initClient()
234 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
238 void SignalProxy::setHeartBeatInterval(int secs)
240 if (_heartBeatInterval != secs) {
241 _heartBeatInterval = secs;
242 emit heartBeatIntervalChanged(secs);
247 void SignalProxy::setMaxHeartBeatCount(int max)
249 if (_maxHeartBeatCount != max) {
250 _maxHeartBeatCount = max;
251 emit maxHeartBeatCountChanged(max);
256 bool SignalProxy::addPeer(Peer *peer)
261 if (_peers.contains(peer))
264 if (!peer->isOpen()) {
265 qWarning("SignalProxy: peer needs to be open!");
269 if (proxyMode() == Client) {
270 if (!_peers.isEmpty()) {
271 qWarning("SignalProxy: only one peer allowed in client mode!");
274 connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
277 connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
278 connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
281 peer->setParent(this);
285 peer->setSignalProxy(this);
287 if (_peers.count() == 1)
295 void SignalProxy::removeAllPeers()
297 Q_ASSERT(proxyMode() == Server || _peers.count() <= 1);
298 // wee need to copy that list since we modify it in the loop
299 QSet<Peer *> peers = _peers;
300 foreach(Peer *peer, peers) {
306 void SignalProxy::removePeer(Peer *peer)
309 qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
313 if (_peers.isEmpty()) {
314 qWarning() << "SignalProxy::removePeer(): No peers in use!";
318 if (!_peers.contains(peer)) {
319 qWarning() << "SignalProxy: unknown Peer" << peer;
323 disconnect(peer, 0, this, 0);
324 peer->setSignalProxy(0);
327 emit peerRemoved(peer);
329 if (peer->parent() == this)
334 if (_peers.isEmpty())
339 void SignalProxy::removePeerBySender()
341 removePeer(qobject_cast<Peer *>(sender()));
345 void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname)
347 if (proxyMode() == Client)
350 const QMetaObject *meta = obj->syncMetaObject();
351 const QByteArray className(meta->className());
352 objectRenamed(className, newname, oldname);
354 dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
358 void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname)
360 if (_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
361 SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
367 const QMetaObject *SignalProxy::metaObject(const QObject *obj)
369 if (const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(obj))
370 return syncObject->syncMetaObject();
372 return obj->metaObject();
376 SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const
378 if (_extendedMetaObjects.contains(meta))
379 return _extendedMetaObjects[meta];
385 SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
387 if (!_extendedMetaObjects.contains(meta)) {
388 _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
390 return _extendedMetaObjects[meta];
394 bool SignalProxy::attachSignal(QObject *sender, const char *signal, const QByteArray &sigName)
396 const QMetaObject *meta = sender->metaObject();
397 QByteArray sig(meta->normalizedSignature(signal).mid(1));
398 int methodId = meta->indexOfMethod(sig.constData());
399 if (methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
400 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
404 createExtendedMetaObject(meta);
405 _signalRelay->attachSignal(sender, methodId, sigName);
407 disconnect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
408 connect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
413 bool SignalProxy::attachSlot(const QByteArray &sigName, QObject *recv, const char *slot)
415 const QMetaObject *meta = recv->metaObject();
416 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
417 if (methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
418 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
422 createExtendedMetaObject(meta);
424 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
425 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
427 disconnect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
428 connect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
433 void SignalProxy::synchronize(SyncableObject *obj)
435 createExtendedMetaObject(obj, true);
437 // attaching as slave to receive sync Calls
438 QByteArray className(obj->syncMetaObject()->className());
439 _syncSlave[className][obj->objectName()] = obj;
441 if (proxyMode() == Server) {
442 obj->setInitialized();
443 emit objectInitialized(obj);
446 if (obj->isInitialized())
447 emit objectInitialized(obj);
452 obj->synchronize(this);
456 void SignalProxy::detachObject(QObject *obj)
463 void SignalProxy::detachSignals(QObject *sender)
465 _signalRelay->detachSignal(sender);
469 void SignalProxy::detachSlots(QObject *receiver)
471 SlotHash::iterator slotIter = _attachedSlots.begin();
472 while (slotIter != _attachedSlots.end()) {
473 if (slotIter.value().first == receiver) {
474 slotIter = _attachedSlots.erase(slotIter);
482 void SignalProxy::stopSynchronize(SyncableObject *obj)
484 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
485 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
486 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
487 while (classIter != _syncSlave.end()) {
488 if (classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
489 classIter->remove(obj->objectName());
494 obj->stopSynchronize(this);
499 void SignalProxy::dispatch(const T &protoMessage)
501 foreach (Peer *peer, _peers) {
503 peer->dispatch(protoMessage);
505 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
510 void SignalProxy::dispatch(Peer *peer, const RpcCall &rpcCall)
512 if (peer && peer->isOpen())
513 peer->dispatch(rpcCall);
515 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
519 void SignalProxy::handle(Peer *peer, const SyncMessage &syncMessage)
521 if (!_syncSlave.contains(syncMessage.className) || !_syncSlave[syncMessage.className].contains(syncMessage.objectName)) {
522 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
523 << syncMessage.params;
527 SyncableObject *receiver = _syncSlave[syncMessage.className][syncMessage.objectName];
528 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
529 if (!eMeta->slotMap().contains(syncMessage.slotName)) {
530 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
531 << syncMessage.params;
535 int slotId = eMeta->slotMap()[syncMessage.slotName];
536 if (proxyMode() != eMeta->receiverMode(slotId)) {
537 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
541 QVariant returnValue((QVariant::Type)eMeta->returnType(slotId));
542 if (!invokeSlot(receiver, slotId, syncMessage.params, returnValue)) {
543 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
547 if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
548 int receiverId = eMeta->receiveMap()[slotId];
549 QVariantList returnParams;
550 if (eMeta->argTypes(receiverId).count() > 1)
551 returnParams << syncMessage.params;
552 returnParams << returnValue;
553 peer->dispatch(SyncMessage(syncMessage.className, syncMessage.objectName, eMeta->methodName(receiverId), returnParams));
556 // send emit update signal
557 invokeSlot(receiver, eMeta->updatedRemotelyId());
561 void SignalProxy::handle(Peer *peer, const InitRequest &initRequest)
563 if (!_syncSlave.contains(initRequest.className)) {
564 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
565 << initRequest.className;
569 if (!_syncSlave[initRequest.className].contains(initRequest.objectName)) {
570 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
571 << initRequest.className << initRequest.objectName;
575 SyncableObject *obj = _syncSlave[initRequest.className][initRequest.objectName];
576 peer->dispatch(InitData(initRequest.className, initRequest.objectName, initData(obj)));
580 void SignalProxy::handle(Peer *peer, const InitData &initData)
584 if (!_syncSlave.contains(initData.className)) {
585 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
586 << initData.className;
590 if (!_syncSlave[initData.className].contains(initData.objectName)) {
591 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
592 << initData.className << initData.objectName;
596 SyncableObject *obj = _syncSlave[initData.className][initData.objectName];
597 setInitData(obj, initData.initData);
601 void SignalProxy::handle(Peer *peer, const RpcCall &rpcCall)
605 SlotHash::const_iterator slot = _attachedSlots.constFind(rpcCall.slotName);
606 while (slot != _attachedSlots.constEnd() && slot.key() == rpcCall.slotName) {
607 receiver = (*slot).first;
608 methodId = (*slot).second;
609 if (!invokeSlot(receiver, methodId, rpcCall.params, peer)) {
610 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
611 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
618 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue, Peer *peer)
620 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
621 const QList<int> args = eMeta->argTypes(methodId);
622 const int numArgs = params.count() < args.count()
626 if (eMeta->minArgCount(methodId) > params.count()) {
627 qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << eMeta->methodName(methodId);
631 void *_a[] = { 0, // return type...
632 0, 0, 0, 0, 0, // and 10 args - that's the max size qt can handle with signals and slots
635 // check for argument compatibility and build params array
636 for (int i = 0; i < numArgs; i++) {
637 if (!params[i].isValid()) {
638 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());
639 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
642 if (args[i] != QMetaType::type(params[i].typeName())) {
643 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
646 // if first arg is a PeerPtr, replace it by the address of the peer originally receiving the RpcCall
647 if (peer && i == 0 && args[0] == qMetaTypeId<PeerPtr>()) {
648 QVariant v = QVariant::fromValue<PeerPtr>(peer);
649 _a[1] = const_cast<void*>(v.constData());
651 _a[i+1] = const_cast<void *>(params[i].constData());
654 if (returnValue.type() != QVariant::Invalid)
655 _a[0] = const_cast<void *>(returnValue.constData());
657 Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
658 ? Qt::DirectConnection
659 : Qt::QueuedConnection;
661 if (type == Qt::DirectConnection) {
662 return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
665 qWarning() << "Queued Connections are not implemented yet";
666 // note to self: qmetaobject.cpp:990 ff
672 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, Peer *peer)
675 return invokeSlot(receiver, methodId, params, ret, peer);
679 void SignalProxy::requestInit(SyncableObject *obj)
681 if (proxyMode() == Server || obj->isInitialized())
684 dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
688 QVariantMap SignalProxy::initData(SyncableObject *obj) const
690 return obj->toVariantMap();
694 void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties)
696 if (obj->isInitialized())
698 obj->fromVariantMap(properties);
699 obj->setInitialized();
700 emit objectInitialized(obj);
701 invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
705 void SignalProxy::customEvent(QEvent *event)
707 switch ((int)event->type()) {
708 case RemovePeerEvent: {
709 ::RemovePeerEvent *e = static_cast< ::RemovePeerEvent *>(event);
716 qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
722 void SignalProxy::sync_call__(const SyncableObject *obj, SignalProxy::ProxyMode modeType, const char *funcname, va_list ap)
724 // qDebug() << obj << modeType << "(" << _proxyMode << ")" << funcname;
725 if (modeType != _proxyMode)
728 ExtendedMetaObject *eMeta = extendedMetaObject(obj);
732 const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
734 for (int i = 0; i < argTypes.size(); i++) {
735 if (argTypes[i] == 0) {
736 qWarning() << Q_FUNC_INFO << "received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(eMeta->metaObject()->className()).arg(funcname);
737 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
740 params << QVariant(argTypes[i], va_arg(ap, void *));
743 dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
747 void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
749 if (!reason.isEmpty())
750 qWarning() << qPrintable(reason);
751 QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
753 qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
758 void SignalProxy::dumpProxyStats()
761 if (proxyMode() == Server)
767 foreach(ObjectId oid, _syncSlave.values())
768 slaveCount += oid.count();
771 qDebug() << " Proxy Mode:" << mode;
772 qDebug() << " attached Slots:" << _attachedSlots.count();
773 qDebug() << " number of synced Slaves:" << slaveCount;
774 qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
778 void SignalProxy::updateSecureState()
780 bool wasSecure = _secure;
782 _secure = !_peers.isEmpty();
783 foreach (const Peer *peer, _peers) {
784 _secure &= peer->isSecure();
787 if (wasSecure != _secure)
788 emit secureStateChanged(_secure);
792 // ==================================================
793 // ExtendedMetaObject
794 // ==================================================
795 SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
797 _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
799 for (int i = 0; i < _meta->methodCount(); i++) {
800 if (_meta->method(i).methodType() != QMetaMethod::Slot)
803 if (QByteArray(_meta->method(i).signature()).contains('*'))
804 continue; // skip methods with ptr params
806 QByteArray method = methodName(_meta->method(i));
807 if (method.startsWith("init"))
808 continue; // skip initializers
810 if (_methodIds.contains(method)) {
811 /* funny... moc creates for methods containing default parameters multiple metaMethod with separate methodIds.
812 we don't care... we just need the full fledged version
814 const QMetaMethod ¤t = _meta->method(_methodIds[method]);
815 const QMetaMethod &candidate = _meta->method(i);
816 if (current.parameterTypes().count() > candidate.parameterTypes().count()) {
817 int minCount = candidate.parameterTypes().count();
818 QList<QByteArray> commonParams = current.parameterTypes().mid(0, minCount);
819 if (commonParams == candidate.parameterTypes())
820 continue; // we already got the full featured version
823 int minCount = current.parameterTypes().count();
824 QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
825 if (commonParams == current.parameterTypes()) {
826 _methodIds[method] = i; // use the new one
830 if (checkConflicts) {
831 qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
832 qWarning() << " - " << _meta->method(i).signature() << "conflicts with" << _meta->method(_methodIds[method]).signature();
836 _methodIds[method] = i;
841 const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
843 if (!_methods.contains(methodId)) {
844 _methods[methodId] = MethodDescriptor(_meta->method(methodId));
846 return _methods[methodId];
850 const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap()
852 if (_receiveMap.isEmpty()) {
853 QHash<int, int> receiveMap;
855 QMetaMethod requestSlot;
856 QByteArray returnTypeName;
857 QByteArray signature;
858 QByteArray methodName;
862 const int methodCount = _meta->methodCount();
863 for (int i = 0; i < methodCount; i++) {
864 requestSlot = _meta->method(i);
865 if (requestSlot.methodType() != QMetaMethod::Slot)
868 returnTypeName = requestSlot.typeName();
869 if (QMetaType::Void == (QMetaType::Type)returnType(i))
872 signature = QByteArray(requestSlot.signature());
873 if (!signature.startsWith("request"))
876 paramsPos = signature.indexOf('(');
880 methodName = signature.left(paramsPos);
881 params = signature.mid(paramsPos);
883 methodName = methodName.replace("request", "receive");
884 params = params.left(params.count() - 1) + ", " + returnTypeName + ")";
886 signature = QMetaObject::normalizedSignature(methodName + params);
887 receiverId = _meta->indexOfSlot(signature);
889 if (receiverId == -1) {
890 signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
891 receiverId = _meta->indexOfSlot(signature);
894 if (receiverId != -1) {
895 receiveMap[i] = receiverId;
898 _receiveMap = receiveMap;
904 QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
906 QByteArray sig(method.signature());
907 return sig.left(sig.indexOf("("));
911 QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
913 QString methodname = QString(method.signature()).section("(", 0, 0);
915 // determine where we have to chop:
917 if (method.methodType() == QMetaMethod::Slot) {
918 // we take evertyhing from the first uppercase char if it's slot
919 upperCharPos = methodname.indexOf(QRegExp("[A-Z]"));
920 if (upperCharPos == -1)
922 methodname = methodname.mid(upperCharPos);
925 // and if it's a signal we discard everything from the last uppercase char
926 upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
927 if (upperCharPos == -1)
929 methodname = methodname.left(upperCharPos);
932 methodname[0] = methodname[0].toUpper();
938 SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
939 : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
940 _returnType(QMetaType::type(method.typeName()))
942 // determine argTypes
943 QList<QByteArray> paramTypes = method.parameterTypes();
945 for (int i = 0; i < paramTypes.count(); i++) {
946 argTypes.append(QMetaType::type(paramTypes[i]));
948 _argTypes = argTypes;
950 // determine minArgCount
951 QString signature(method.signature());
952 _minArgCount = method.parameterTypes().count() - signature.count("=");
954 _receiverMode = (_methodName.startsWith("request"))
955 ? SignalProxy::Server
956 : SignalProxy::Client;