1 /***************************************************************************
2 * Copyright (C) 2005-08 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 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
21 #include "signalproxy.h"
25 #include <QAbstractSocket>
31 #include <QMetaMethod>
32 #include <QMetaProperty>
36 #include "syncableobject.h"
39 class SignalRelay: public QObject {
41 /* Q_OBJECT is not necessary or even allowed, because we implement
42 qt_metacall ourselves (and don't use any other features of the meta
46 SignalRelay(SignalProxy* parent, QObject* source);
47 int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
49 void attachSignal(int methodId, const QByteArray &func);
51 void setSynchronize(bool);
52 bool synchronize() const;
57 bool isSyncMethod(int i);
61 QMultiHash<int, QByteArray> sigNames;
65 SignalRelay::SignalRelay(SignalProxy* parent, QObject* source)
71 QObject::connect(source, SIGNAL(destroyed()), parent, SLOT(detachSender()));
74 int SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a) {
75 _id = QObject::qt_metacall(_c, _id, _a);
78 if(_c == QMetaObject::InvokeMetaMethod) {
79 if(sigNames.contains(_id) || synchronize()) {
80 const QList<int> &argTypes = proxy->argTypes(caller, _id);
82 int n = argTypes.size();
83 for(int i=0; i<n; i++) {
84 if(argTypes[i] == 0) {
85 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());
86 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
89 params.append(QVariant(argTypes[i], _a[i+1]));
91 QMultiHash<int, QByteArray>::const_iterator funcIter = sigNames.constFind(_id);
92 while(funcIter != sigNames.constEnd() && funcIter.key() == _id) {
93 proxy->dispatchSignal(SignalProxy::RpcCall, QVariantList() << funcIter.value() << params);
97 // dispatch Sync Signal if necessary
98 QByteArray signature(caller->metaObject()->method(_id).signature());
99 if(synchronize() && proxy->syncMap(qobject_cast<SyncableObject *>(caller)).contains(signature)) {
100 //qDebug() << "__SYNC__ >>>"
101 // << caller->metaObject()->className()
102 // << caller->objectName()
105 // params.prepend(QVariant(_id));
106 params.prepend(signature);
107 params.prepend(caller->objectName());
108 params.prepend(caller->metaObject()->className());
109 proxy->dispatchSignal(SignalProxy::Sync, params);
112 _id -= QObject::staticMetaObject.methodCount();
117 void SignalRelay::setSynchronize(bool sync) {
118 const QMetaObject *meta = caller->metaObject();
121 for(int i = 0; i < meta->methodCount(); i++ ) {
123 QMetaObject::connect(caller, i, this, QObject::staticMetaObject.methodCount() + i);
125 } else if (_sync && !sync) {
127 for(int i = 0; i < meta->methodCount(); i++ ) {
129 QMetaObject::disconnect(caller, i, this, QObject::staticMetaObject.methodCount() + i);
135 bool SignalRelay::isSyncMethod(int i) {
136 QByteArray signature = caller->metaObject()->method(i).signature();
137 if(!proxy->syncMap(qobject_cast<SyncableObject *>(caller)).contains(signature))
140 if(proxy->proxyMode() == SignalProxy::Server && !signature.contains("Requested"))
143 if(proxy->proxyMode() == SignalProxy::Client && signature.contains("Requested"))
149 bool SignalRelay::synchronize() const {
153 int SignalRelay::sigCount() const {
154 // only for debuging purpose
155 return sigNames.count();
158 void SignalRelay::attachSignal(int methodId, const QByteArray &func) {
159 // we ride without safetybelts here... all checking for valid method etc pp has to be done by the caller
160 // all connected methodIds are offset by the standard methodCount of QObject
161 if(!sigNames.contains(methodId))
162 QMetaObject::connect(caller, methodId, this, QObject::staticMetaObject.methodCount() + methodId);
165 if(!func.isEmpty()) {
166 fn = QMetaObject::normalizedSignature(func);
168 fn = QByteArray("2") + caller->metaObject()->method(methodId).signature();
170 sigNames.insert(methodId, fn);
172 // ====================
174 // ====================
177 // ====================
179 // ====================
180 SignalProxy::SignalProxy(QObject* parent)
183 setProxyMode(Client);
186 SignalProxy::SignalProxy(ProxyMode mode, QObject* parent)
192 SignalProxy::SignalProxy(ProxyMode mode, QIODevice* device, QObject* parent)
199 SignalProxy::~SignalProxy() {
200 QList<QObject*> senders = _relayHash.keys();
201 foreach(QObject* sender, senders)
202 detachObject(sender);
205 void SignalProxy::setProxyMode(ProxyMode mode) {
206 foreach(QIODevice* peer, _peerByteCount.keys()) {
208 qWarning() << "SignalProxy: Cannot change proxy mode while connected";
219 SignalProxy::ProxyMode SignalProxy::proxyMode() const {
223 void SignalProxy::initServer() {
224 disconnect(&_heartBeatTimer, 0, this, 0);
225 _heartBeatTimer.stop();
228 void SignalProxy::initClient() {
229 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray, QString, QString)));
230 connect(&_heartBeatTimer, SIGNAL(timeout()),
231 this, SLOT(sendHeartBeat()));
232 _heartBeatTimer.start(60 * 1000); // msecs: one beep per minute
235 bool SignalProxy::addPeer(QIODevice* iodev) {
239 if(_peerByteCount.contains(iodev))
242 if(proxyMode() == Client && !_peerByteCount.isEmpty()) {
243 qWarning("SignalProxy: only one peer allowed in client mode!");
248 qWarning("SignalProxy::the device you passed is not open!");
250 connect(iodev, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
251 connect(iodev, SIGNAL(readyRead()), this, SLOT(dataAvailable()));
253 QAbstractSocket* sock = qobject_cast<QAbstractSocket*>(iodev);
255 connect(sock, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
258 _peerByteCount[iodev] = 0;
260 if(_peerByteCount.count() == 1)
266 void SignalProxy::removePeerBySender() {
267 // OK we're brutal here... but since it's a private slot we know what we've got connected to it...
268 QIODevice *ioDev = (QIODevice *)(sender());
270 qDebug() << "Client disconnected.";
273 void SignalProxy::objectRenamed(QString oldname, QString newname) {
274 const QMetaObject *meta = sender()->metaObject();
275 const QByteArray className(meta->className());
276 objectRenamed(className, oldname, newname);
278 if(proxyMode() == Client)
282 params << "__objectRenamed__" << className << oldname << newname;
283 dispatchSignal(RpcCall, params);
286 void SignalProxy::objectRenamed(QByteArray classname, QString oldname, QString newname) {
287 if(_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname)
288 _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
292 void SignalProxy::removePeer(QIODevice* iodev) {
293 if(_peerByteCount.isEmpty()) {
294 qWarning() << "SignalProxy: No peers in use!";
298 if(proxyMode() == Server && !iodev) {
300 QList<QIODevice *> peers = _peerByteCount.keys();
301 foreach(QIODevice *peer, peers)
305 if(proxyMode() != Server && !iodev)
306 iodev = _peerByteCount.keys().first();
310 if(!_peerByteCount.contains(iodev)) {
311 qWarning() << "SignalProxy: unknown QIODevice" << iodev;
318 if(readDataFromDevice(iodev, _peerByteCount[iodev], var))
319 receivePeerSignal(iodev, var);
323 _peerByteCount.remove(iodev);
325 disconnect(iodev, 0, this, 0);
326 emit peerRemoved(iodev);
328 if(_peerByteCount.isEmpty())
332 void SignalProxy::setArgTypes(QObject* obj, int methodId) {
333 const QMetaObject *meta = obj->metaObject();
334 QList<QByteArray> p = meta->method(methodId).parameterTypes();
337 for(int i=0; i<ct; i++)
338 argTypes.append(QMetaType::type(p.value(i)));
340 Q_ASSERT(!_classInfo[meta]->argTypes.contains(methodId));
341 _classInfo[meta]->argTypes[methodId] = argTypes;
344 const QList<int> &SignalProxy::argTypes(QObject *obj, int methodId) {
345 Q_ASSERT(_classInfo.contains(obj->metaObject()));
346 if(!_classInfo[obj->metaObject()]->argTypes.contains(methodId))
347 setArgTypes(obj, methodId);
348 return _classInfo[obj->metaObject()]->argTypes[methodId];
351 void SignalProxy::setMinArgCount(QObject *obj, int methodId) {
352 const QMetaObject *meta = obj->metaObject();
353 QString signature(meta->method(methodId).signature());
354 int minCount = meta->method(methodId).parameterTypes().count() - signature.count("=");
355 Q_ASSERT(!_classInfo[meta]->minArgCount.contains(methodId));
356 _classInfo[meta]->minArgCount[methodId] = minCount;
359 const int &SignalProxy::minArgCount(QObject *obj, int methodId) {
360 Q_ASSERT(_classInfo.contains(obj->metaObject()));
361 if(!_classInfo[obj->metaObject()]->minArgCount.contains(methodId))
362 setMinArgCount(obj, methodId);
363 return _classInfo[obj->metaObject()]->minArgCount[methodId];
366 void SignalProxy::setMethodName(QObject *obj, int methodId) {
367 const QMetaObject *meta = obj->metaObject();
368 QByteArray method(::methodName(meta->method(methodId)));
369 Q_ASSERT(!_classInfo[meta]->methodNames.contains(methodId));
370 _classInfo[meta]->methodNames[methodId] = method;
373 const QByteArray &SignalProxy::methodName(QObject *obj, int methodId) {
374 Q_ASSERT(_classInfo.contains(obj->metaObject()));
375 if(!_classInfo[obj->metaObject()]->methodNames.contains(methodId))
376 setMethodName(obj, methodId);
377 return _classInfo[obj->metaObject()]->methodNames[methodId];
381 void SignalProxy::setSyncMap(SyncableObject *obj) {
382 const QMetaObject *meta = obj->metaObject();
383 QHash<QByteArray, int> syncMap;
385 QList<int> slotIndexes;
386 for(int i = 0; i < meta->methodCount(); i++) {
387 if(meta->method(i).methodType() == QMetaMethod::Slot)
391 QMetaMethod signal, slot;
393 for(int signalIdx = 0; signalIdx < meta->methodCount(); signalIdx++) {
394 signal = meta->method(signalIdx);
395 if(signal.methodType() != QMetaMethod::Signal)
399 foreach(int slotIdx, slotIndexes) {
400 slot = meta->method(slotIdx);
401 if(methodsMatch(signal, slot)) {
407 slotIndexes.removeAt(slotIndexes.indexOf(matchIdx));
408 syncMap[QByteArray(signal.signature())] = matchIdx;
412 Q_ASSERT(_classInfo[meta]->syncMap.isEmpty());
413 _classInfo[meta]->syncMap = syncMap;
416 const QHash<QByteArray,int> &SignalProxy::syncMap(SyncableObject *obj) {
417 Q_ASSERT(_classInfo.contains(obj->metaObject()));
418 if(_classInfo[obj->metaObject()]->syncMap.isEmpty())
420 return _classInfo[obj->metaObject()]->syncMap;
423 void SignalProxy::setUpdatedRemotelyId(QObject *obj) {
424 const QMetaObject *meta = obj->metaObject();
425 Q_ASSERT(_classInfo.contains(meta));
426 _classInfo[meta]->updatedRemotelyId = meta->indexOfSignal("updatedRemotely()");
429 int SignalProxy::updatedRemotelyId(SyncableObject *obj) {
430 Q_ASSERT(_classInfo.contains(obj->metaObject()));
431 return _classInfo[obj->metaObject()]->updatedRemotelyId;
434 void SignalProxy::createClassInfo(QObject *obj) {
435 if(_classInfo.contains(obj->metaObject()))
438 ClassInfo *classInfo = new ClassInfo();
439 _classInfo[obj->metaObject()] = classInfo;
440 setUpdatedRemotelyId(obj);
443 bool SignalProxy::attachSignal(QObject* sender, const char* signal, const QByteArray& sigName) {
444 const QMetaObject* meta = sender->metaObject();
445 QByteArray sig(meta->normalizedSignature(signal).mid(1));
446 int methodId = meta->indexOfMethod(sig.constData());
447 if(methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
448 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
452 createClassInfo(sender);
455 if(_relayHash.contains(sender))
456 relay = _relayHash[sender];
458 relay = _relayHash[sender] = new SignalRelay(this, sender);
460 relay->attachSignal(methodId, sigName);
466 bool SignalProxy::attachSlot(const QByteArray& sigName, QObject* recv, const char* slot) {
467 const QMetaObject* meta = recv->metaObject();
468 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
469 if(methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
470 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
474 createClassInfo(recv);
476 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
477 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
479 QObject::disconnect(recv, SIGNAL(destroyed()), this, SLOT(detachSender()));
480 QObject::connect(recv, SIGNAL(destroyed()), this, SLOT(detachSender()));
484 void SignalProxy::synchronize(SyncableObject *obj) {
485 createClassInfo(obj);
487 // attaching all the Signals
489 if(_relayHash.contains(obj))
490 relay = _relayHash[obj];
492 relay = _relayHash[obj] = new SignalRelay(this, obj);
494 relay->setSynchronize(true);
496 // attaching as slave to receive sync Calls
497 QByteArray className(obj->metaObject()->className());
498 _syncSlave[className][obj->objectName()] = obj;
500 if(proxyMode() == Server) {
501 if(obj->metaObject()->indexOfSignal(QMetaObject::normalizedSignature("renameObject(QString, QString)")) != -1)
502 connect(obj, SIGNAL(renameObject(QString, QString)), this, SLOT(objectRenamed(QString, QString)));
510 void SignalProxy::setInitialized(SyncableObject *obj) {
511 obj->setInitialized();
512 emit objectInitialized(obj);
515 bool SignalProxy::isInitialized(SyncableObject *obj) const {
516 return obj->isInitialized();
519 void SignalProxy::requestInit(SyncableObject *obj) {
520 if(proxyMode() == Server || isInitialized(obj))
524 params << obj->metaObject()->className()
525 << obj->objectName();
526 dispatchSignal(InitRequest, params);
529 void SignalProxy::detachSender() {
530 detachObject(sender());
533 void SignalProxy::detachObject(QObject* obj) {
536 stopSync(static_cast<SyncableObject *>(obj));
539 void SignalProxy::detachSignals(QObject* sender) {
540 if(!_relayHash.contains(sender))
542 _relayHash.take(sender)->deleteLater();
545 void SignalProxy::detachSlots(QObject* receiver) {
546 SlotHash::iterator slotIter = _attachedSlots.begin();
547 while(slotIter != _attachedSlots.end()) {
548 if(slotIter.value().first == receiver) {
549 slotIter = _attachedSlots.erase(slotIter);
555 void SignalProxy::stopSync(SyncableObject* obj) {
556 if(_relayHash.contains(obj))
557 _relayHash[obj]->setSynchronize(false);
559 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
560 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
561 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
562 while(classIter != _syncSlave.end()) {
563 if(classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
564 classIter->remove(obj->objectName());
571 void SignalProxy::dispatchSignal(QIODevice *receiver, const RequestType &requestType, const QVariantList ¶ms) {
572 QVariantList packedFunc;
573 packedFunc << (qint16)requestType;
574 packedFunc << params;
575 writeDataToDevice(receiver, QVariant(packedFunc));
578 void SignalProxy::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) {
579 // yes I know we have a little code duplication here... it's for the sake of performance
580 QVariantList packedFunc;
581 packedFunc << (qint16)requestType;
582 packedFunc << params;
583 foreach(QIODevice* dev, _peerByteCount.keys())
584 writeDataToDevice(dev, QVariant(packedFunc));
587 void SignalProxy::receivePeerSignal(QIODevice *sender, const QVariant &packedFunc) {
588 QVariantList params(packedFunc.toList());
590 int callType = params.takeFirst().value<int>();
595 qWarning() << "SignalProxy::receivePeerSignal(): received empty RPC-Call";
598 return handleSignal(params.takeFirst().toByteArray(), params);
601 return handleSync(params);
603 return handleInitRequest(sender, params);
605 return handleInitData(sender, params);
609 qWarning() << "SignalProxy::receivePeerSignal(): received undefined CallType" << callType << params;
614 void SignalProxy::handleSync(QVariantList params) {
615 if(params.count() < 3) {
616 qWarning() << "received invalid Sync call" << params;
620 QByteArray className = params.takeFirst().toByteArray();
621 QString objectName = params.takeFirst().toString();
622 QByteArray signal = params.takeFirst().toByteArray();
624 if(!_syncSlave.contains(className) || !_syncSlave[className].contains(objectName)) {
625 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(QString(className)).arg(QString(signal)).arg(objectName)
630 SyncableObject *receiver = _syncSlave[className][objectName];
631 if(!syncMap(receiver).contains(signal)) {
632 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(QString(className)).arg(QString(signal)).arg(objectName)
637 int slotId = syncMap(receiver)[signal];
638 if(!invokeSlot(receiver, slotId, params)) {
639 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", methodName(receiver, slotId).constData());
642 invokeSlot(receiver, updatedRemotelyId(receiver));
645 void SignalProxy::handleInitRequest(QIODevice *sender, const QVariantList ¶ms) {
646 if(params.count() != 2) {
647 qWarning() << "SignalProxy::handleInitRequest() received initRequest with invalid param Count:"
652 QByteArray className(params[0].toByteArray());
653 QString objectName(params[1].toString());
655 if(!_syncSlave.contains(className)) {
656 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
661 if(!_syncSlave[className].contains(objectName)) {
662 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
663 << className << objectName;
667 SyncableObject *obj = _syncSlave[className][objectName];
669 QVariantList params_;
670 params_ << obj->metaObject()->className()
674 dispatchSignal(sender, InitData, params_);
677 void SignalProxy::handleInitData(QIODevice *sender, const QVariantList ¶ms) {
679 if(params.count() != 3) {
680 qWarning() << "SignalProxy::handleInitData() received initData with invalid param Count:"
685 QByteArray className(params[0].toByteArray());
686 QString objectName(params[1].toString());
687 QVariantMap propertyMap(params[2].toMap());
689 if(!_syncSlave.contains(className)) {
690 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
695 if(!_syncSlave[className].contains(objectName)) {
696 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
697 << className << objectName;
701 SyncableObject *obj = _syncSlave[className][objectName];
702 setInitData(obj, propertyMap);
705 void SignalProxy::handleSignal(const QByteArray &funcName, const QVariantList ¶ms) {
708 SlotHash::const_iterator slot = _attachedSlots.constFind(funcName);
709 while(slot != _attachedSlots.constEnd() && slot.key() == funcName) {
710 receiver = (*slot).first;
711 methodId = (*slot).second;
712 if(!invokeSlot(receiver, methodId, params))
713 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", methodName(receiver, methodId).constData());
718 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms) {
719 const QList<int> args = argTypes(receiver, methodId);
720 const int numArgs = params.count() < args.count()
724 if(minArgCount(receiver, methodId) > params.count()) {
725 qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << methodName(receiver, methodId);
729 void *_a[] = {0, // return type
730 0, 0, 0, 0 , 0, // and 10 args - that's the max size qt can handle with signals and slots
732 // check for argument compatibility and build params array
733 for(int i = 0; i < numArgs; i++) {
734 if(!params[i].isValid()) {
735 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());
736 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
739 if(args[i] != QMetaType::type(params[i].typeName())) {
740 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << methodName(receiver, methodId);
743 _a[i+1] = const_cast<void *>(params[i].constData());
747 Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
748 ? Qt::DirectConnection
749 : Qt::QueuedConnection;
751 if (type == Qt::DirectConnection) {
752 return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
754 qWarning() << "Queued Connections are not implemented yet";
755 // not to self: qmetaobject.cpp:990 ff
761 void SignalProxy::dataAvailable() {
762 // yet again. it's a private slot. no need for checks.
763 QIODevice* ioDev = qobject_cast<QIODevice* >(sender());
765 while(readDataFromDevice(ioDev, _peerByteCount[ioDev], var))
766 receivePeerSignal(ioDev, var);
769 void SignalProxy::writeDataToDevice(QIODevice *dev, const QVariant &item) {
770 QAbstractSocket* sock = qobject_cast<QAbstractSocket*>(dev);
771 if(!dev->isOpen() || (sock && sock->state()!=QAbstractSocket::ConnectedState)) {
772 qWarning("SignalProxy: Can't call on a closed device");
776 QDataStream out(&block, QIODevice::WriteOnly);
777 out.setVersion(QDataStream::Qt_4_2);
778 out << (quint32)0 << item;
779 out.device()->seek(0);
780 out << (quint32)(block.size() - sizeof(quint32));
784 bool SignalProxy::readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item) {
786 in.setVersion(QDataStream::Qt_4_2);
789 if(dev->bytesAvailable() < (int)sizeof(quint32)) return false;
793 if(dev->bytesAvailable() < blockSize)
800 bool SignalProxy::methodsMatch(const QMetaMethod &signal, const QMetaMethod &slot) const {
801 // if we don't even have the same basename it's a sure NO
802 if(methodBaseName(signal) != methodBaseName(slot))
805 // are the signatures compatible?
806 if(!QObject::staticMetaObject.checkConnectArgs(signal.signature(), slot.signature()))
809 // we take an educated guess if the signals and slots match
810 QString signalsuffix = ::methodName(signal).mid(QString(::methodName(signal)).lastIndexOf(QRegExp("[A-Z]"))).toLower();
811 QString slotprefix = ::methodName(slot).left(QString(::methodName(slot)).indexOf(QRegExp("[A-Z]"))).toLower();
813 uint sizediff = qAbs(slotprefix.size() - signalsuffix.size());
814 int ratio = editingDistance(slotprefix, signalsuffix) - sizediff;
818 QString SignalProxy::methodBaseName(const QMetaMethod &method) {
819 QString methodname = QString(method.signature()).section("(", 0, 0);
821 // determine where we have to chop:
822 if(method.methodType() == QMetaMethod::Slot) {
823 // we take evertyhing from the first uppercase char if it's slot
824 methodname = methodname.mid(methodname.indexOf(QRegExp("[A-Z]")));
826 // and if it's a signal we discard everything from the last uppercase char
827 methodname = methodname.left(methodname.lastIndexOf(QRegExp("[A-Z]")));
830 methodname[0] = methodname[0].toUpper();
835 QVariantMap SignalProxy::initData(SyncableObject *obj) const {
836 return obj->toVariantMap();
839 void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties) {
840 if(isInitialized(obj))
842 obj->fromVariantMap(properties);
844 invokeSlot(obj, updatedRemotelyId(obj));
847 void SignalProxy::sendHeartBeat() {
848 dispatchSignal(SignalProxy::HeartBeat, QVariantList());
851 void SignalProxy::dumpProxyStats() {
853 if(proxyMode() == Server)
859 foreach(SignalRelay *relay, _relayHash.values())
860 sigCount += relay->sigCount();
863 foreach(ObjectId oid, _syncSlave.values())
864 slaveCount += oid.count();
867 qDebug() << " Proxy Mode:" << mode;
868 qDebug() << "attached sending Objects:" << _relayHash.count();
869 qDebug() << " number of Signals:" << sigCount;
870 qDebug() << " attached Slots:" << _attachedSlots.count();
871 qDebug() << " number of synced Slaves:" << slaveCount;
872 qDebug() << "number of Classes cached:" << _classInfo.count();
875 void SignalProxy::dumpSyncMap(SyncableObject *object) {
876 const QMetaObject *meta = object->metaObject();
877 qDebug() << "SignalProxy: SyncMap for Class" << meta->className();
879 QHash<QByteArray, int> syncMap_ = syncMap(object);
880 QHash<QByteArray, int>::const_iterator iter = syncMap_.constBegin();
881 while(iter != syncMap_.constEnd()) {
882 qDebug() << iter.key() << "-->" << iter.value() << meta->method(iter.value()).signature();
885 // QHash<int, int> syncMap_ = syncMap(object);
886 // QHash<int, int>::const_iterator iter = syncMap_.constBegin();
887 // while(iter != syncMap_.constEnd()) {
888 // qDebug() << iter.key() << meta->method(iter.key()).signature() << "-->" << iter.value() << meta->method(iter.value()).signature();