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));
162 } else if (proxy()->_restrictMessageTarget) {
163 for (auto peer : proxy()->_restrictedTargets) {
165 proxy()->dispatch(peer, RpcCall(signal.signature, params));
168 proxy()->dispatch(RpcCall(signal.signature, params));
170 _id -= _slots.count();
176 // ==================================================
178 // ==================================================
179 SignalProxy::SignalProxy(QObject *parent)
182 setProxyMode(Client);
187 SignalProxy::SignalProxy(ProxyMode mode, QObject *parent)
195 SignalProxy::~SignalProxy()
197 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
198 while (classIter != _syncSlave.end()) {
199 ObjectId::iterator objIter = classIter->begin();
200 while (objIter != classIter->end()) {
201 SyncableObject *obj = objIter.value();
202 objIter = classIter->erase(objIter);
203 obj->stopSynchronize(this);
213 void SignalProxy::setProxyMode(ProxyMode mode)
215 if (_peers.count()) {
216 qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
228 void SignalProxy::init()
230 _heartBeatInterval = 0;
231 _maxHeartBeatCount = 0;
232 _signalRelay = new SignalRelay(this);
233 setHeartBeatInterval(30);
234 setMaxHeartBeatCount(2);
240 void SignalProxy::initServer()
245 void SignalProxy::initClient()
247 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
251 void SignalProxy::setHeartBeatInterval(int secs)
253 if (_heartBeatInterval != secs) {
254 _heartBeatInterval = secs;
255 emit heartBeatIntervalChanged(secs);
260 void SignalProxy::setMaxHeartBeatCount(int max)
262 if (_maxHeartBeatCount != max) {
263 _maxHeartBeatCount = max;
264 emit maxHeartBeatCountChanged(max);
269 bool SignalProxy::addPeer(Peer *peer)
274 if (_peers.contains(peer))
277 if (!peer->isOpen()) {
278 qWarning("SignalProxy: peer needs to be open!");
282 if (proxyMode() == Client) {
283 if (!_peers.isEmpty()) {
284 qWarning("SignalProxy: only one peer allowed in client mode!");
287 connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
290 connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
291 connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
294 peer->setParent(this);
297 peer->_id = nextPeerId();
298 peer->_connectedSince = QDateTime::currentDateTimeUtc();
302 _peerMap[peer->_id] = peer;
304 peer->setSignalProxy(this);
306 if (_peers.count() == 1)
314 void SignalProxy::removeAllPeers()
316 Q_ASSERT(proxyMode() == Server || _peers.count() <= 1);
317 // wee need to copy that list since we modify it in the loop
318 QSet<Peer *> peers = _peers;
319 foreach(Peer *peer, peers) {
325 void SignalProxy::removePeer(Peer *peer)
328 qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
332 if (_peers.isEmpty()) {
333 qWarning() << "SignalProxy::removePeer(): No peers in use!";
337 if (!_peers.contains(peer)) {
338 qWarning() << "SignalProxy: unknown Peer" << peer;
342 disconnect(peer, 0, this, 0);
343 peer->setSignalProxy(0);
345 _peerMap.remove(peer->_id);
347 emit peerRemoved(peer);
349 if (peer->parent() == this)
354 if (_peers.isEmpty())
359 void SignalProxy::removePeerBySender()
361 removePeer(qobject_cast<Peer *>(sender()));
365 void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname)
367 if (proxyMode() == Client)
370 const QMetaObject *meta = obj->syncMetaObject();
371 const QByteArray className(meta->className());
372 objectRenamed(className, newname, oldname);
374 dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
378 void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname)
380 if (_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
381 SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
387 const QMetaObject *SignalProxy::metaObject(const QObject *obj)
389 if (const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(obj))
390 return syncObject->syncMetaObject();
392 return obj->metaObject();
396 SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const
398 if (_extendedMetaObjects.contains(meta))
399 return _extendedMetaObjects[meta];
405 SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
407 if (!_extendedMetaObjects.contains(meta)) {
408 _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
410 return _extendedMetaObjects[meta];
414 bool SignalProxy::attachSignal(QObject *sender, const char *signal, const QByteArray &sigName)
416 const QMetaObject *meta = sender->metaObject();
417 QByteArray sig(meta->normalizedSignature(signal).mid(1));
418 int methodId = meta->indexOfMethod(sig.constData());
419 if (methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
420 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
424 createExtendedMetaObject(meta);
425 _signalRelay->attachSignal(sender, methodId, sigName);
427 disconnect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
428 connect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
433 bool SignalProxy::attachSlot(const QByteArray &sigName, QObject *recv, const char *slot)
435 const QMetaObject *meta = recv->metaObject();
436 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
437 if (methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
438 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
442 createExtendedMetaObject(meta);
444 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
445 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
447 disconnect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
448 connect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
453 void SignalProxy::synchronize(SyncableObject *obj)
455 createExtendedMetaObject(obj, true);
457 // attaching as slave to receive sync Calls
458 QByteArray className(obj->syncMetaObject()->className());
459 _syncSlave[className][obj->objectName()] = obj;
461 if (proxyMode() == Server) {
462 obj->setInitialized();
463 emit objectInitialized(obj);
466 if (obj->isInitialized())
467 emit objectInitialized(obj);
472 obj->synchronize(this);
476 void SignalProxy::detachObject(QObject *obj)
483 void SignalProxy::detachSignals(QObject *sender)
485 _signalRelay->detachSignal(sender);
489 void SignalProxy::detachSlots(QObject *receiver)
491 SlotHash::iterator slotIter = _attachedSlots.begin();
492 while (slotIter != _attachedSlots.end()) {
493 if (slotIter.value().first == receiver) {
494 slotIter = _attachedSlots.erase(slotIter);
502 void SignalProxy::stopSynchronize(SyncableObject *obj)
504 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
505 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
506 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
507 while (classIter != _syncSlave.end()) {
508 if (classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
509 classIter->remove(obj->objectName());
514 obj->stopSynchronize(this);
519 void SignalProxy::dispatch(const T &protoMessage)
521 foreach (Peer *peer, _peers) {
523 peer->dispatch(protoMessage);
525 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
531 void SignalProxy::dispatch(Peer *peer, const T &protoMessage)
533 if (peer && peer->isOpen())
534 peer->dispatch(protoMessage);
536 QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
540 void SignalProxy::handle(Peer *peer, const SyncMessage &syncMessage)
542 if (!_syncSlave.contains(syncMessage.className) || !_syncSlave[syncMessage.className].contains(syncMessage.objectName)) {
543 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
544 << syncMessage.params;
548 SyncableObject *receiver = _syncSlave[syncMessage.className][syncMessage.objectName];
549 ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
550 if (!eMeta->slotMap().contains(syncMessage.slotName)) {
551 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
552 << syncMessage.params;
556 int slotId = eMeta->slotMap()[syncMessage.slotName];
557 if (proxyMode() != eMeta->receiverMode(slotId)) {
558 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
562 // We can no longer construct a QVariant from QMetaType::Void
563 QVariant returnValue;
564 int returnType = eMeta->returnType(slotId);
565 if (returnType != QMetaType::Void)
566 returnValue = QVariant(static_cast<QVariant::Type>(returnType));
568 if (!invokeSlot(receiver, slotId, syncMessage.params, returnValue, peer)) {
569 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
573 if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
574 int receiverId = eMeta->receiveMap()[slotId];
575 QVariantList returnParams;
576 if (eMeta->argTypes(receiverId).count() > 1)
577 returnParams << syncMessage.params;
578 returnParams << returnValue;
579 peer->dispatch(SyncMessage(syncMessage.className, syncMessage.objectName, eMeta->methodName(receiverId), returnParams));
582 // send emit update signal
583 invokeSlot(receiver, eMeta->updatedRemotelyId());
587 void SignalProxy::handle(Peer *peer, const InitRequest &initRequest)
589 if (!_syncSlave.contains(initRequest.className)) {
590 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
591 << initRequest.className;
595 if (!_syncSlave[initRequest.className].contains(initRequest.objectName)) {
596 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
597 << initRequest.className << initRequest.objectName;
601 SyncableObject *obj = _syncSlave[initRequest.className][initRequest.objectName];
602 peer->dispatch(InitData(initRequest.className, initRequest.objectName, initData(obj)));
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 #if QT_VERSION >= 0x050000
665 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());
667 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());
669 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
672 if (args[i] != QMetaType::type(params[i].typeName())) {
673 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
676 // if first arg is a PeerPtr, replace it by the address of the peer originally receiving the RpcCall
677 if (peer && i == 0 && args[0] == qMetaTypeId<PeerPtr>()) {
678 QVariant v = QVariant::fromValue<PeerPtr>(peer);
679 _a[1] = const_cast<void*>(v.constData());
681 _a[i+1] = const_cast<void *>(params[i].constData());
684 if (returnValue.type() != QVariant::Invalid)
685 _a[0] = const_cast<void *>(returnValue.constData());
687 Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
688 ? Qt::DirectConnection
689 : Qt::QueuedConnection;
691 if (type == Qt::DirectConnection) {
692 return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
695 qWarning() << "Queued Connections are not implemented yet";
696 // note to self: qmetaobject.cpp:990 ff
702 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, Peer *peer)
705 return invokeSlot(receiver, methodId, params, ret, peer);
709 void SignalProxy::requestInit(SyncableObject *obj)
711 if (proxyMode() == Server || obj->isInitialized())
714 dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
718 QVariantMap SignalProxy::initData(SyncableObject *obj) const
720 return obj->toVariantMap();
724 void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties)
726 if (obj->isInitialized())
728 obj->fromVariantMap(properties);
729 obj->setInitialized();
730 emit objectInitialized(obj);
731 invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
735 void SignalProxy::customEvent(QEvent *event)
737 switch ((int)event->type()) {
738 case RemovePeerEvent: {
739 ::RemovePeerEvent *e = static_cast< ::RemovePeerEvent *>(event);
746 qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
752 void SignalProxy::sync_call__(const SyncableObject *obj, SignalProxy::ProxyMode modeType, const char *funcname, va_list ap)
754 // qDebug() << obj << modeType << "(" << _proxyMode << ")" << funcname;
755 if (modeType != _proxyMode)
758 ExtendedMetaObject *eMeta = extendedMetaObject(obj);
762 const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
764 for (int i = 0; i < argTypes.size(); i++) {
765 if (argTypes[i] == 0) {
766 qWarning() << Q_FUNC_INFO << "received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(eMeta->metaObject()->className()).arg(funcname);
767 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
770 params << QVariant(argTypes[i], va_arg(ap, void *));
773 if (argTypes.size() >= 1 && argTypes[0] == qMetaTypeId<PeerPtr>() && proxyMode() == SignalProxy::Server) {
774 Peer *peer = params[0].value<PeerPtr>();
775 dispatch(peer, SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
777 dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
781 void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
783 if (!reason.isEmpty())
784 qWarning() << qPrintable(reason);
785 QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
787 qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
792 void SignalProxy::dumpProxyStats()
795 if (proxyMode() == Server)
801 foreach(ObjectId oid, _syncSlave.values())
802 slaveCount += oid.count();
805 qDebug() << " Proxy Mode:" << mode;
806 qDebug() << " attached Slots:" << _attachedSlots.count();
807 qDebug() << " number of synced Slaves:" << slaveCount;
808 qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
812 void SignalProxy::updateSecureState()
814 bool wasSecure = _secure;
816 _secure = !_peers.isEmpty();
817 foreach (const Peer *peer, _peers) {
818 _secure &= peer->isSecure();
821 if (wasSecure != _secure)
822 emit secureStateChanged(_secure);
825 QVariantList SignalProxy::peerData() {
827 for (auto peer : _peers) {
829 data["id"] = peer->_id;
830 data["clientVersion"] = peer->_clientVersion;
831 data["clientVersionDate"] = peer->_buildDate;
832 data["remoteAddress"] = peer->address();
833 data["connectedSince"] = peer->_connectedSince;
834 data["secure"] = peer->isSecure();
840 Peer *SignalProxy::peerById(int peerId) {
841 return _peerMap[peerId];
845 * This method allows to send a signal only to a limited set of peers
846 * @param peerIds A list of peers that should receive it
847 * @param closure Code you want to execute within of that restricted environment
849 void SignalProxy::restrictTargetPeers(std::initializer_list<Peer *> peers, std::function<void()> closure)
851 auto previousRestrictMessageTarget = _restrictMessageTarget;
852 auto previousRestrictedTargets = _restrictedTargets;
853 _restrictMessageTarget = true;
854 _restrictedTargets = QSet<Peer*>(peers);
858 _restrictMessageTarget = previousRestrictMessageTarget;
859 _restrictedTargets = previousRestrictedTargets;
862 // ==================================================
863 // ExtendedMetaObject
864 // ==================================================
865 SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
867 _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
869 for (int i = 0; i < _meta->methodCount(); i++) {
870 if (_meta->method(i).methodType() != QMetaMethod::Slot)
873 #if QT_VERSION >= 0x050000
874 if (_meta->method(i).methodSignature().contains('*'))
876 if (QByteArray(_meta->method(i).signature()).contains('*'))
878 continue; // skip methods with ptr params
880 QByteArray method = methodName(_meta->method(i));
881 if (method.startsWith("init"))
882 continue; // skip initializers
884 if (_methodIds.contains(method)) {
885 /* funny... moc creates for methods containing default parameters multiple metaMethod with separate methodIds.
886 we don't care... we just need the full fledged version
888 const QMetaMethod ¤t = _meta->method(_methodIds[method]);
889 const QMetaMethod &candidate = _meta->method(i);
890 if (current.parameterTypes().count() > candidate.parameterTypes().count()) {
891 int minCount = candidate.parameterTypes().count();
892 QList<QByteArray> commonParams = current.parameterTypes().mid(0, minCount);
893 if (commonParams == candidate.parameterTypes())
894 continue; // we already got the full featured version
897 int minCount = current.parameterTypes().count();
898 QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
899 if (commonParams == current.parameterTypes()) {
900 _methodIds[method] = i; // use the new one
904 if (checkConflicts) {
905 qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
906 #if QT_VERSION >= 0x050000
907 qWarning() << " - " << _meta->method(i).methodSignature() << "conflicts with" << _meta->method(_methodIds[method]).methodSignature();
909 qWarning() << " - " << _meta->method(i).signature() << "conflicts with" << _meta->method(_methodIds[method]).signature();
914 _methodIds[method] = i;
919 const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
921 if (!_methods.contains(methodId)) {
922 _methods[methodId] = MethodDescriptor(_meta->method(methodId));
924 return _methods[methodId];
928 const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap()
930 if (_receiveMap.isEmpty()) {
931 QHash<int, int> receiveMap;
933 QMetaMethod requestSlot;
934 QByteArray returnTypeName;
935 QByteArray signature;
936 QByteArray methodName;
940 const int methodCount = _meta->methodCount();
941 for (int i = 0; i < methodCount; i++) {
942 requestSlot = _meta->method(i);
943 if (requestSlot.methodType() != QMetaMethod::Slot)
946 returnTypeName = requestSlot.typeName();
947 if (QMetaType::Void == (QMetaType::Type)returnType(i))
950 #if QT_VERSION >= 0x050000
951 signature = requestSlot.methodSignature();
953 signature = QByteArray(requestSlot.signature());
955 if (!signature.startsWith("request"))
958 paramsPos = signature.indexOf('(');
962 methodName = signature.left(paramsPos);
963 params = signature.mid(paramsPos);
965 methodName = methodName.replace("request", "receive");
966 params = params.left(params.count() - 1) + ", " + returnTypeName + ")";
968 signature = QMetaObject::normalizedSignature(methodName + params);
969 receiverId = _meta->indexOfSlot(signature);
971 if (receiverId == -1) {
972 signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
973 receiverId = _meta->indexOfSlot(signature);
976 if (receiverId != -1) {
977 receiveMap[i] = receiverId;
980 _receiveMap = receiveMap;
986 QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
988 #if QT_VERSION >= 0x050000
989 QByteArray sig(method.methodSignature());
991 QByteArray sig(method.signature());
993 return sig.left(sig.indexOf("("));
997 QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
999 #if QT_VERSION >= 0x050000
1000 QString methodname = QString(method.methodSignature()).section("(", 0, 0);
1002 QString methodname = QString(method.signature()).section("(", 0, 0);
1005 // determine where we have to chop:
1007 if (method.methodType() == QMetaMethod::Slot) {
1008 // we take evertyhing from the first uppercase char if it's slot
1009 upperCharPos = methodname.indexOf(QRegExp("[A-Z]"));
1010 if (upperCharPos == -1)
1012 methodname = methodname.mid(upperCharPos);
1015 // and if it's a signal we discard everything from the last uppercase char
1016 upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
1017 if (upperCharPos == -1)
1019 methodname = methodname.left(upperCharPos);
1022 methodname[0] = methodname[0].toUpper();
1028 SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
1029 : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
1030 _returnType(QMetaType::type(method.typeName()))
1032 // determine argTypes
1033 QList<QByteArray> paramTypes = method.parameterTypes();
1034 QList<int> argTypes;
1035 for (int i = 0; i < paramTypes.count(); i++) {
1036 argTypes.append(QMetaType::type(paramTypes[i]));
1038 _argTypes = argTypes;
1040 // determine minArgCount
1041 #if QT_VERSION >= 0x050000
1042 QString signature(method.methodSignature());
1044 QString signature(method.signature());
1046 _minArgCount = method.parameterTypes().count() - signature.count("=");
1048 _receiverMode = (_methodName.startsWith("request"))
1049 ? SignalProxy::Server
1050 : SignalProxy::Client;