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);
204 // close peer connections
205 foreach(QIODevice *device, _peerByteCount.keys()) {
211 void SignalProxy::setProxyMode(ProxyMode mode) {
212 foreach(QIODevice* peer, _peerByteCount.keys()) {
214 qWarning() << "SignalProxy: Cannot change proxy mode while connected";
225 SignalProxy::ProxyMode SignalProxy::proxyMode() const {
229 void SignalProxy::initServer() {
230 disconnect(&_heartBeatTimer, 0, this, 0);
231 _heartBeatTimer.stop();
234 void SignalProxy::initClient() {
235 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray, QString, QString)));
236 connect(&_heartBeatTimer, SIGNAL(timeout()),
237 this, SLOT(sendHeartBeat()));
238 _heartBeatTimer.start(60 * 1000); // msecs: one beep per minute
241 bool SignalProxy::addPeer(QIODevice* iodev) {
245 if(_peerByteCount.contains(iodev))
248 if(proxyMode() == Client && !_peerByteCount.isEmpty()) {
249 qWarning("SignalProxy: only one peer allowed in client mode!");
254 qWarning("SignalProxy::the device you passed is not open!");
256 connect(iodev, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
257 connect(iodev, SIGNAL(readyRead()), this, SLOT(dataAvailable()));
259 QAbstractSocket* sock = qobject_cast<QAbstractSocket*>(iodev);
261 connect(sock, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
264 _peerByteCount[iodev] = 0;
266 if(_peerByteCount.count() == 1)
272 void SignalProxy::removePeer(QIODevice* iodev) {
273 if(_peerByteCount.isEmpty()) {
274 qWarning() << "SignalProxy::removePeer(): No peers in use!";
278 if(proxyMode() == Server && !iodev) {
280 QList<QIODevice *> peers = _peerByteCount.keys();
281 foreach(QIODevice *peer, peers)
285 if(proxyMode() != Server && !iodev)
286 iodev = _peerByteCount.keys().first();
290 if(!_peerByteCount.contains(iodev)) {
291 qWarning() << "SignalProxy: unknown QIODevice" << iodev;
295 _peerByteCount.remove(iodev);
297 disconnect(iodev, 0, this, 0);
298 emit peerRemoved(iodev);
300 if(_peerByteCount.isEmpty())
304 void SignalProxy::removePeerBySender() {
305 // OK we're brutal here... but since it's a private slot we know what we've got connected to it...
306 QIODevice *ioDev = (QIODevice *)(sender());
308 qDebug() << "Client disconnected.";
311 void SignalProxy::objectRenamed(const QString &newname, const QString &oldname) {
312 const QMetaObject *meta = sender()->metaObject();
313 const QByteArray className(meta->className());
314 objectRenamed(className, newname, oldname);
316 if(proxyMode() == Client)
320 params << "__objectRenamed__" << className << newname << oldname;
321 dispatchSignal(RpcCall, params);
324 void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname) {
325 if(_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
326 SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
331 void SignalProxy::setArgTypes(QObject* obj, int methodId) {
332 const QMetaObject *meta = obj->metaObject();
333 QList<QByteArray> p = meta->method(methodId).parameterTypes();
336 for(int i=0; i<ct; i++)
337 argTypes.append(QMetaType::type(p.value(i)));
339 Q_ASSERT(!_classInfo[meta]->argTypes.contains(methodId));
340 _classInfo[meta]->argTypes[methodId] = argTypes;
343 const QList<int> &SignalProxy::argTypes(QObject *obj, int methodId) {
344 Q_ASSERT(_classInfo.contains(obj->metaObject()));
345 if(!_classInfo[obj->metaObject()]->argTypes.contains(methodId))
346 setArgTypes(obj, methodId);
347 return _classInfo[obj->metaObject()]->argTypes[methodId];
350 void SignalProxy::setMinArgCount(QObject *obj, int methodId) {
351 const QMetaObject *meta = obj->metaObject();
352 QString signature(meta->method(methodId).signature());
353 int minCount = meta->method(methodId).parameterTypes().count() - signature.count("=");
354 Q_ASSERT(!_classInfo[meta]->minArgCount.contains(methodId));
355 _classInfo[meta]->minArgCount[methodId] = minCount;
358 const int &SignalProxy::minArgCount(QObject *obj, int methodId) {
359 Q_ASSERT(_classInfo.contains(obj->metaObject()));
360 if(!_classInfo[obj->metaObject()]->minArgCount.contains(methodId))
361 setMinArgCount(obj, methodId);
362 return _classInfo[obj->metaObject()]->minArgCount[methodId];
365 void SignalProxy::setMethodName(QObject *obj, int methodId) {
366 const QMetaObject *meta = obj->metaObject();
367 QByteArray method(::methodName(meta->method(methodId)));
368 Q_ASSERT(!_classInfo[meta]->methodNames.contains(methodId));
369 _classInfo[meta]->methodNames[methodId] = method;
372 const QByteArray &SignalProxy::methodName(QObject *obj, int methodId) {
373 Q_ASSERT(_classInfo.contains(obj->metaObject()));
374 if(!_classInfo[obj->metaObject()]->methodNames.contains(methodId))
375 setMethodName(obj, methodId);
376 return _classInfo[obj->metaObject()]->methodNames[methodId];
380 void SignalProxy::setSyncMap(SyncableObject *obj) {
381 const QMetaObject *meta = obj->metaObject();
382 QHash<QByteArray, int> syncMap;
384 QList<int> slotIndexes;
385 for(int i = 0; i < meta->methodCount(); i++) {
386 if(meta->method(i).methodType() == QMetaMethod::Slot)
390 QMetaMethod signal, slot;
392 for(int signalIdx = 0; signalIdx < meta->methodCount(); signalIdx++) {
393 signal = meta->method(signalIdx);
394 if(signal.methodType() != QMetaMethod::Signal)
398 foreach(int slotIdx, slotIndexes) {
399 slot = meta->method(slotIdx);
400 if(methodsMatch(signal, slot)) {
406 slotIndexes.removeAt(slotIndexes.indexOf(matchIdx));
407 syncMap[QByteArray(signal.signature())] = matchIdx;
411 Q_ASSERT(_classInfo[meta]->syncMap.isEmpty());
412 _classInfo[meta]->syncMap = syncMap;
415 const QHash<QByteArray,int> &SignalProxy::syncMap(SyncableObject *obj) {
416 Q_ASSERT(_classInfo.contains(obj->metaObject()));
417 if(_classInfo[obj->metaObject()]->syncMap.isEmpty())
419 return _classInfo[obj->metaObject()]->syncMap;
422 void SignalProxy::setUpdatedRemotelyId(QObject *obj) {
423 const QMetaObject *meta = obj->metaObject();
424 Q_ASSERT(_classInfo.contains(meta));
425 _classInfo[meta]->updatedRemotelyId = meta->indexOfSignal("updatedRemotely()");
428 int SignalProxy::updatedRemotelyId(SyncableObject *obj) {
429 Q_ASSERT(_classInfo.contains(obj->metaObject()));
430 return _classInfo[obj->metaObject()]->updatedRemotelyId;
433 void SignalProxy::createClassInfo(QObject *obj) {
434 if(_classInfo.contains(obj->metaObject()))
437 ClassInfo *classInfo = new ClassInfo();
438 _classInfo[obj->metaObject()] = classInfo;
439 setUpdatedRemotelyId(obj);
442 bool SignalProxy::attachSignal(QObject* sender, const char* signal, const QByteArray& sigName) {
443 const QMetaObject* meta = sender->metaObject();
444 QByteArray sig(meta->normalizedSignature(signal).mid(1));
445 int methodId = meta->indexOfMethod(sig.constData());
446 if(methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
447 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
451 createClassInfo(sender);
454 if(_relayHash.contains(sender))
455 relay = _relayHash[sender];
457 relay = _relayHash[sender] = new SignalRelay(this, sender);
459 relay->attachSignal(methodId, sigName);
465 bool SignalProxy::attachSlot(const QByteArray& sigName, QObject* recv, const char* slot) {
466 const QMetaObject* meta = recv->metaObject();
467 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
468 if(methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
469 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
473 createClassInfo(recv);
475 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
476 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
478 QObject::disconnect(recv, SIGNAL(destroyed()), this, SLOT(detachSender()));
479 QObject::connect(recv, SIGNAL(destroyed()), this, SLOT(detachSender()));
483 void SignalProxy::synchronize(SyncableObject *obj) {
484 createClassInfo(obj);
486 // attaching all the Signals
488 if(_relayHash.contains(obj))
489 relay = _relayHash[obj];
491 relay = _relayHash[obj] = new SignalRelay(this, obj);
493 relay->setSynchronize(true);
495 // attaching as slave to receive sync Calls
496 QByteArray className(obj->metaObject()->className());
497 _syncSlave[className][obj->objectName()] = obj;
499 if(proxyMode() == Server) {
500 connect(obj, SIGNAL(objectRenamed(QString, QString)), this, SLOT(objectRenamed(QString, QString)));
507 void SignalProxy::setInitialized(SyncableObject *obj) {
508 obj->setInitialized();
509 emit objectInitialized(obj);
512 bool SignalProxy::isInitialized(SyncableObject *obj) const {
513 return obj->isInitialized();
516 void SignalProxy::requestInit(SyncableObject *obj) {
517 if(proxyMode() == Server || isInitialized(obj))
521 params << obj->metaObject()->className()
522 << obj->objectName();
523 dispatchSignal(InitRequest, params);
526 void SignalProxy::detachSender() {
527 detachObject(sender());
530 void SignalProxy::detachObject(QObject* obj) {
533 stopSync(static_cast<SyncableObject *>(obj));
536 void SignalProxy::detachSignals(QObject* sender) {
537 if(!_relayHash.contains(sender))
539 _relayHash.take(sender)->deleteLater();
542 void SignalProxy::detachSlots(QObject* receiver) {
543 SlotHash::iterator slotIter = _attachedSlots.begin();
544 while(slotIter != _attachedSlots.end()) {
545 if(slotIter.value().first == receiver) {
546 slotIter = _attachedSlots.erase(slotIter);
552 void SignalProxy::stopSync(SyncableObject* obj) {
553 if(_relayHash.contains(obj))
554 _relayHash[obj]->setSynchronize(false);
556 // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
557 // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
558 QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
559 while(classIter != _syncSlave.end()) {
560 if(classIter->contains(obj->objectName()) && classIter.value()[obj->objectName()] == obj) {
561 classIter->remove(obj->objectName());
568 void SignalProxy::dispatchSignal(QIODevice *receiver, const RequestType &requestType, const QVariantList ¶ms) {
569 QVariantList packedFunc;
570 packedFunc << (qint16)requestType;
571 packedFunc << params;
572 writeDataToDevice(receiver, QVariant(packedFunc));
575 void SignalProxy::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) {
576 // yes I know we have a little code duplication here... it's for the sake of performance
577 QVariantList packedFunc;
578 packedFunc << (qint16)requestType;
579 packedFunc << params;
580 foreach(QIODevice* dev, _peerByteCount.keys())
581 writeDataToDevice(dev, QVariant(packedFunc));
584 void SignalProxy::receivePeerSignal(QIODevice *sender, const QVariant &packedFunc) {
585 QVariantList params(packedFunc.toList());
587 if(params.isEmpty()) {
588 qWarning() << "SignalProxy::receivePeerSignal(): received incompatible Data:" << packedFunc;
592 int callType = params.takeFirst().value<int>();
597 qWarning() << "SignalProxy::receivePeerSignal(): received empty RPC-Call";
600 return handleSignal(params.takeFirst().toByteArray(), params);
603 return handleSync(params);
605 return handleInitRequest(sender, params);
607 return handleInitData(sender, params);
611 qWarning() << "SignalProxy::receivePeerSignal(): received undefined CallType" << callType << params;
616 void SignalProxy::handleSync(QVariantList params) {
617 if(params.count() < 3) {
618 qWarning() << "received invalid Sync call" << params;
622 QByteArray className = params.takeFirst().toByteArray();
623 QString objectName = params.takeFirst().toString();
624 QByteArray signal = params.takeFirst().toByteArray();
626 if(!_syncSlave.contains(className) || !_syncSlave[className].contains(objectName)) {
627 qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(QString(className)).arg(QString(signal)).arg(objectName)
632 SyncableObject *receiver = _syncSlave[className][objectName];
633 if(!syncMap(receiver).contains(signal)) {
634 qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(QString(className)).arg(QString(signal)).arg(objectName)
639 int slotId = syncMap(receiver)[signal];
640 if(!invokeSlot(receiver, slotId, params)) {
641 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", methodName(receiver, slotId).constData());
644 invokeSlot(receiver, updatedRemotelyId(receiver));
647 void SignalProxy::handleInitRequest(QIODevice *sender, const QVariantList ¶ms) {
648 if(params.count() != 2) {
649 qWarning() << "SignalProxy::handleInitRequest() received initRequest with invalid param Count:"
654 QByteArray className(params[0].toByteArray());
655 QString objectName(params[1].toString());
657 if(!_syncSlave.contains(className)) {
658 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
663 if(!_syncSlave[className].contains(objectName)) {
664 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
665 << className << objectName;
669 SyncableObject *obj = _syncSlave[className][objectName];
671 QVariantList params_;
672 params_ << obj->metaObject()->className()
676 dispatchSignal(sender, InitData, params_);
679 void SignalProxy::handleInitData(QIODevice *sender, const QVariantList ¶ms) {
681 if(params.count() != 3) {
682 qWarning() << "SignalProxy::handleInitData() received initData with invalid param Count:"
687 QByteArray className(params[0].toByteArray());
688 QString objectName(params[1].toString());
689 QVariantMap propertyMap(params[2].toMap());
691 if(!_syncSlave.contains(className)) {
692 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
697 if(!_syncSlave[className].contains(objectName)) {
698 qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
699 << className << objectName;
703 SyncableObject *obj = _syncSlave[className][objectName];
704 setInitData(obj, propertyMap);
707 void SignalProxy::handleSignal(const QByteArray &funcName, const QVariantList ¶ms) {
710 SlotHash::const_iterator slot = _attachedSlots.constFind(funcName);
711 while(slot != _attachedSlots.constEnd() && slot.key() == funcName) {
712 receiver = (*slot).first;
713 methodId = (*slot).second;
714 if(!invokeSlot(receiver, methodId, params))
715 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", methodName(receiver, methodId).constData());
720 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms) {
721 const QList<int> args = argTypes(receiver, methodId);
722 const int numArgs = params.count() < args.count()
726 if(minArgCount(receiver, methodId) > params.count()) {
727 qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << methodName(receiver, methodId);
731 void *_a[] = {0, // return type
732 0, 0, 0, 0 , 0, // and 10 args - that's the max size qt can handle with signals and slots
734 // check for argument compatibility and build params array
735 for(int i = 0; i < numArgs; i++) {
736 if(!params[i].isValid()) {
737 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());
738 qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
741 if(args[i] != QMetaType::type(params[i].typeName())) {
742 qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << methodName(receiver, methodId);
745 _a[i+1] = const_cast<void *>(params[i].constData());
749 Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
750 ? Qt::DirectConnection
751 : Qt::QueuedConnection;
753 if (type == Qt::DirectConnection) {
754 return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
756 qWarning() << "Queued Connections are not implemented yet";
757 // not to self: qmetaobject.cpp:990 ff
763 void SignalProxy::dataAvailable() {
764 // yet again. it's a private slot. no need for checks.
765 QIODevice* ioDev = qobject_cast<QIODevice* >(sender());
767 while(readDataFromDevice(ioDev, _peerByteCount[ioDev], var))
768 receivePeerSignal(ioDev, var);
771 void SignalProxy::writeDataToDevice(QIODevice *dev, const QVariant &item) {
772 QAbstractSocket* sock = qobject_cast<QAbstractSocket*>(dev);
773 if(!dev->isOpen() || (sock && sock->state()!=QAbstractSocket::ConnectedState)) {
774 qWarning("SignalProxy: Can't call on a closed device");
778 QDataStream out(&block, QIODevice::WriteOnly);
779 out.setVersion(QDataStream::Qt_4_2);
780 out << (quint32)0 << item;
781 out.device()->seek(0);
782 out << (quint32)(block.size() - sizeof(quint32));
786 bool SignalProxy::readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item) {
788 in.setVersion(QDataStream::Qt_4_2);
791 if(dev->bytesAvailable() < (int)sizeof(quint32)) return false;
795 if(dev->bytesAvailable() < blockSize)
802 bool SignalProxy::methodsMatch(const QMetaMethod &signal, const QMetaMethod &slot) const {
803 // if we don't even have the same basename it's a sure NO
804 if(methodBaseName(signal) != methodBaseName(slot))
807 // are the signatures compatible?
808 if(!QObject::staticMetaObject.checkConnectArgs(signal.signature(), slot.signature()))
811 // we take an educated guess if the signals and slots match
812 QString signalsuffix = ::methodName(signal).mid(QString(::methodName(signal)).lastIndexOf(QRegExp("[A-Z]"))).toLower();
813 QString slotprefix = ::methodName(slot).left(QString(::methodName(slot)).indexOf(QRegExp("[A-Z]"))).toLower();
815 uint sizediff = qAbs(slotprefix.size() - signalsuffix.size());
816 int ratio = editingDistance(slotprefix, signalsuffix) - sizediff;
820 QString SignalProxy::methodBaseName(const QMetaMethod &method) {
821 QString methodname = QString(method.signature()).section("(", 0, 0);
823 // determine where we have to chop:
824 if(method.methodType() == QMetaMethod::Slot) {
825 // we take evertyhing from the first uppercase char if it's slot
826 methodname = methodname.mid(methodname.indexOf(QRegExp("[A-Z]")));
828 // and if it's a signal we discard everything from the last uppercase char
829 methodname = methodname.left(methodname.lastIndexOf(QRegExp("[A-Z]")));
832 methodname[0] = methodname[0].toUpper();
837 QVariantMap SignalProxy::initData(SyncableObject *obj) const {
838 return obj->toVariantMap();
841 void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties) {
842 if(isInitialized(obj))
844 obj->fromVariantMap(properties);
846 invokeSlot(obj, updatedRemotelyId(obj));
849 void SignalProxy::sendHeartBeat() {
850 dispatchSignal(SignalProxy::HeartBeat, QVariantList());
853 void SignalProxy::dumpProxyStats() {
855 if(proxyMode() == Server)
861 foreach(SignalRelay *relay, _relayHash.values())
862 sigCount += relay->sigCount();
865 foreach(ObjectId oid, _syncSlave.values())
866 slaveCount += oid.count();
869 qDebug() << " Proxy Mode:" << mode;
870 qDebug() << "attached sending Objects:" << _relayHash.count();
871 qDebug() << " number of Signals:" << sigCount;
872 qDebug() << " attached Slots:" << _attachedSlots.count();
873 qDebug() << " number of synced Slaves:" << slaveCount;
874 qDebug() << "number of Classes cached:" << _classInfo.count();
877 void SignalProxy::dumpSyncMap(SyncableObject *object) {
878 const QMetaObject *meta = object->metaObject();
879 qDebug() << "SignalProxy: SyncMap for Class" << meta->className();
881 QHash<QByteArray, int> syncMap_ = syncMap(object);
882 QHash<QByteArray, int>::const_iterator iter = syncMap_.constBegin();
883 while(iter != syncMap_.constEnd()) {
884 qDebug() << iter.key() << "-->" << iter.value() << meta->method(iter.value()).signature();
887 // QHash<int, int> syncMap_ = syncMap(object);
888 // QHash<int, int>::const_iterator iter = syncMap_.constBegin();
889 // while(iter != syncMap_.constEnd()) {
890 // qDebug() << iter.key() << meta->method(iter.key()).signature() << "-->" << iter.value() << meta->method(iter.value()).signature();