1 /***************************************************************************
2 * Copyright (C) 2005-07 by the Quassel IRC Team *
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) any later version. *
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 ***************************************************************************
20 * SignalProxy has been inspired by QxtRPCPeer, part of libqxt, *
21 * the Qt eXTension Library <http://www.libqxt.org>. We would like to *
22 * thank Arvid "aep" Picciani and Adam "ahigerd" Higerd for providing *
23 * QxtRPCPeer, valuable input and the genius idea to (ab)use Qt's *
24 * Meta Object System for transmitting signals over the network. *
26 * To make contribution back into libqxt possible, redistribution and *
27 * modification of this file is additionally allowed under the terms of *
28 * the Common Public License, version 1.0, as published by IBM. *
29 ***************************************************************************/
31 #include "signalproxy.h"
34 #include <QAbstractSocket>
40 #include <QMetaMethod>
41 #include <QMetaProperty>
45 class SignalRelay: public QObject {
47 /* Q_OBJECT is not necessary or even allowed, because we implement
48 qt_metacall ourselves (and don't use any other features of the meta
52 SignalRelay(SignalProxy* parent, QObject* source);
53 int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
55 void attachSignal(int methodId, const QByteArray &func);
57 void setSynchronize(bool);
58 bool synchronize() const;
65 QMultiHash<int, QByteArray> sigNames;
69 SignalRelay::SignalRelay(SignalProxy* parent, QObject* source)
75 QObject::connect(source, SIGNAL(destroyed()), parent, SLOT(detachSender()));
78 int SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a) {
79 _id = QObject::qt_metacall(_c, _id, _a);
82 if(_c == QMetaObject::InvokeMetaMethod) {
83 if(sigNames.contains(_id) || synchronize()) {
84 const QList<int> &argTypes = proxy->argTypes(caller, _id);
86 int n = argTypes.size();
87 for(int i=0; i<n; i++)
88 params.append(QVariant(argTypes[i], _a[i+1]));
89 QMultiHash<int, QByteArray>::const_iterator funcIter = sigNames.constFind(_id);
90 while(funcIter != sigNames.constEnd() && funcIter.key() == _id) {
91 proxy->dispatchSignal(funcIter.value(), params);
94 if(synchronize() && proxy->syncMap(caller).contains(_id)) {
95 // qDebug() << "__SYNC__ >>>"
96 // << caller->metaObject()->className()
97 // << caller->objectName()
98 // << proxy->methodName(caller, _id)
100 params.prepend(QVariant(_id));
101 params.prepend(caller->objectName());
102 params.prepend(caller->metaObject()->className());
103 proxy->dispatchSignal((int)SignalProxy::Sync, params);
111 void SignalRelay::setSynchronize(bool sync) {
112 QHash<int, int>::const_iterator iter = proxy->syncMap(caller).constBegin();
114 while(iter != proxy->syncMap(caller).constEnd()) {
115 QMetaObject::connect(caller, iter.key(), this, QObject::staticMetaObject.methodCount() + iter.key());
118 } else if (_sync && !sync) {
119 while(iter != proxy->syncMap(caller).constEnd()) {
120 QMetaObject::disconnect(caller, iter.key(), this, QObject::staticMetaObject.methodCount() + iter.key());
127 bool SignalRelay::synchronize() const {
131 int SignalRelay::sigCount() const {
132 // only for debuging purpose
133 return sigNames.count();
136 void SignalRelay::attachSignal(int methodId, const QByteArray &func) {
137 // we ride without safetybelts here... all checking for valid method etc pp has to be done by the caller
138 // all connected methodIds are offset by the standard methodCount of QObject
139 if(!sigNames.contains(methodId))
140 QMetaObject::connect(caller, methodId, this, QObject::staticMetaObject.methodCount() + methodId);
143 if(!func.isEmpty()) {
144 fn = QMetaObject::normalizedSignature(func);
146 fn = QByteArray("2") + caller->metaObject()->method(methodId).signature();
148 sigNames.insert(methodId, fn);
150 // ====================
152 // ====================
155 // ====================
157 // ====================
158 SignalProxy::SignalProxy(QObject* parent)
161 setProxyMode(Client);
164 SignalProxy::SignalProxy(ProxyMode mode, QObject* parent)
170 SignalProxy::SignalProxy(ProxyMode mode, QIODevice* device, QObject* parent)
177 SignalProxy::~SignalProxy() {
178 QList<QObject*> senders = _relayHash.keys();
179 foreach(QObject* sender, senders)
180 detachObject(sender);
183 void SignalProxy::setProxyMode(ProxyMode mode) {
184 foreach(QIODevice* peer, _peerByteCount.keys()) {
186 qWarning() << "SignalProxy: Cannot change proxy mode while connected";
197 SignalProxy::ProxyMode SignalProxy::proxyMode() const {
201 void SignalProxy::initServer() {
204 void SignalProxy::initClient() {
205 attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray, QString, QString)));
208 bool SignalProxy::addPeer(QIODevice* iodev) {
212 if(_peerByteCount.contains(iodev))
215 if(proxyMode() == Client && !_peerByteCount.isEmpty()) {
216 qWarning("SignalProxy: only one peer allowed in client mode!");
221 qWarning("SignalProxy::the device you passed is not open!");
223 connect(iodev, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
224 connect(iodev, SIGNAL(readyRead()), this, SLOT(dataAvailable()));
226 QAbstractSocket* sock = qobject_cast<QAbstractSocket*>(iodev);
228 connect(sock, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
231 _peerByteCount[iodev] = 0;
233 if(_peerByteCount.count() == 1)
239 void SignalProxy::removePeerBySender() {
240 // OK we're brutal here... but since it's a private slot we know what we've got connected to it...
241 QIODevice *ioDev = (QIODevice *)(sender());
245 void SignalProxy::objectRenamed(QString oldname, QString newname) {
246 const QMetaObject *meta = sender()->metaObject();
247 const QByteArray className(meta->className());
248 objectRenamed(className, oldname, newname);
250 if(proxyMode() == Client)
254 params << className << oldname << newname;
255 dispatchSignal("__objectRenamed__", params);
258 void SignalProxy::objectRenamed(QByteArray classname, QString oldname, QString newname) {
259 if(_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname))
260 _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
264 void SignalProxy::removePeer(QIODevice* iodev) {
265 if(_peerByteCount.isEmpty()) {
266 qWarning() << "SignalProxy: No peers in use!";
270 if(proxyMode() == Server && !iodev) {
272 QList<QIODevice *> peers = _peerByteCount.keys();
273 foreach(QIODevice *peer, peers)
277 if(proxyMode() != Server && !iodev)
278 iodev = _peerByteCount.keys().first();
282 if(!_peerByteCount.contains(iodev)) {
283 qWarning() << "SignalProxy: unknown QIODevice" << iodev;
290 if(readDataFromDevice(iodev, _peerByteCount[iodev], var))
291 receivePeerSignal(iodev, var);
295 _peerByteCount.remove(iodev);
297 disconnect(iodev, 0, this, 0);
298 emit peerRemoved(iodev);
300 if(_peerByteCount.isEmpty())
304 void SignalProxy::setArgTypes(QObject* obj, int methodId) {
305 const QMetaObject *meta = obj->metaObject();
306 QList<QByteArray> p = meta->method(methodId).parameterTypes();
309 for(int i=0; i<ct; i++)
310 argTypes.append(QMetaType::type(p.value(i)));
312 Q_ASSERT(!_classInfo[meta]->argTypes.contains(methodId));
313 _classInfo[meta]->argTypes[methodId] = argTypes;
316 const QList<int> &SignalProxy::argTypes(QObject *obj, int methodId) {
317 Q_ASSERT(_classInfo.contains(obj->metaObject()));
318 if(!_classInfo[obj->metaObject()]->argTypes.contains(methodId))
319 setArgTypes(obj, methodId);
320 return _classInfo[obj->metaObject()]->argTypes[methodId];
323 void SignalProxy::setMethodName(QObject *obj, int methodId) {
324 const QMetaObject *meta = obj->metaObject();
325 QByteArray method(::methodName(meta->method(methodId)));
326 Q_ASSERT(!_classInfo[meta]->methodNames.contains(methodId));
327 _classInfo[meta]->methodNames[methodId] = method;
330 const QByteArray &SignalProxy::methodName(QObject *obj, int methodId) {
331 Q_ASSERT(_classInfo.contains(obj->metaObject()));
332 if(!_classInfo[obj->metaObject()]->methodNames.contains(methodId))
333 setMethodName(obj, methodId);
334 return _classInfo[obj->metaObject()]->methodNames[methodId];
338 void SignalProxy::setSyncMap(QObject *obj) {
339 const QMetaObject *meta = obj->metaObject();
341 QHash<int, int> syncMap;
343 QList<int> slotIndexes;
344 for(int i = 0; i < meta->methodCount(); i++) {
345 if(meta->method(i).methodType() == QMetaMethod::Slot)
349 QMetaMethod signal, slot;
351 for(int signalIdx = 0; signalIdx < meta->methodCount(); signalIdx++) {
352 signal = meta->method(signalIdx);
353 if(signal.methodType() != QMetaMethod::Signal)
357 foreach(int slotIdx, slotIndexes) {
358 slot = meta->method(slotIdx);
359 if(methodsMatch(signal, slot)) {
365 slotIndexes.removeAt(slotIndexes.indexOf(matchIdx));
366 syncMap[signalIdx] = matchIdx;
370 Q_ASSERT(_classInfo[meta]->syncMap.isEmpty());
371 _classInfo[meta]->syncMap = syncMap;
374 const QHash<int,int> &SignalProxy::syncMap(QObject *obj) {
375 Q_ASSERT(_classInfo.contains(obj->metaObject()));
376 if(_classInfo[obj->metaObject()]->syncMap.isEmpty())
378 return _classInfo[obj->metaObject()]->syncMap;
381 void SignalProxy::createClassInfo(QObject *obj) {
382 if(!_classInfo.contains(obj->metaObject()))
383 _classInfo[obj->metaObject()] = new ClassInfo();
386 bool SignalProxy::attachSignal(QObject* sender, const char* signal, const QByteArray& sigName) {
387 const QMetaObject* meta = sender->metaObject();
388 QByteArray sig(meta->normalizedSignature(signal).mid(1));
389 int methodId = meta->indexOfMethod(sig.constData());
390 if(methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
391 qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
395 createClassInfo(sender);
398 if(_relayHash.contains(sender))
399 relay = _relayHash[sender];
401 relay = _relayHash[sender] = new SignalRelay(this, sender);
403 relay->attachSignal(methodId, sigName);
409 bool SignalProxy::attachSlot(const QByteArray& sigName, QObject* recv, const char* slot) {
410 const QMetaObject* meta = recv->metaObject();
411 int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
412 if(methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
413 qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
417 createClassInfo(recv);
419 QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
420 _attachedSlots.insert(funcName, qMakePair(recv, methodId));
422 QObject::disconnect(recv, SIGNAL(destroyed()), this, SLOT(detachSender()));
423 QObject::connect(recv, SIGNAL(destroyed()), this, SLOT(detachSender()));
427 void SignalProxy::synchronize(QObject *obj) {
428 if(proxyMode() == Server)
429 return synchronizeAsMaster(obj);
431 return synchronizeAsSlave(obj);
434 void SignalProxy::synchronizeAsMaster(QObject *sender) {
435 createClassInfo(sender);
438 if(_relayHash.contains(sender))
439 relay = _relayHash[sender];
441 relay = _relayHash[sender] = new SignalRelay(this, sender);
443 relay->setSynchronize(true);
445 if(sender->metaObject()->indexOfSignal(QMetaObject::normalizedSignature("renameObject(QString, QString)")) != -1)
446 connect(sender, SIGNAL(renameObject(QString, QString)), this, SLOT(objectRenamed(QString, QString)));
448 QByteArray className(sender->metaObject()->className());
449 _syncSlave[className][sender->objectName()] = sender;
451 setInitialized(sender);
454 void SignalProxy::synchronizeAsSlave(QObject *receiver) {
455 QByteArray className(receiver->metaObject()->className());
456 _syncSlave[className][receiver->objectName()] = receiver;
458 createClassInfo(receiver);
460 requestInit(receiver);
463 void SignalProxy::setInitialized(QObject *obj) {
464 QMetaObject::invokeMethod(obj, "setInitialized");
467 bool SignalProxy::initialized(QObject *obj) {
469 if(!QMetaObject::invokeMethod(obj, "initialized", Q_RETURN_ARG(bool, init)))
474 void SignalProxy::requestInit(QObject *obj) {
475 if(proxyMode() == Server || initialized(obj))
479 params << obj->metaObject()->className()
480 << obj->objectName();
481 dispatchSignal((int)InitRequest, params);
484 void SignalProxy::detachSender() {
485 // this is a slot so we can bypass the QueuedConnection
486 // and if someone is forcing direct connection in a multithreaded environment he's just nuts...
487 _detachSignals(sender());
488 _detachSlots(sender());
491 // detachObject/Signals/Slots() can be called as a result of an incoming call
492 // this might destroy our the iterator used for delivery
493 // thus we wrap the actual disconnection by using QueuedConnections
494 void SignalProxy::detachObject(QObject* obj) {
499 void SignalProxy::detachSignals(QObject* sender) {
500 QMetaObject::invokeMethod(this, "_detachSignals",
501 Qt::QueuedConnection,
502 Q_ARG(QObject*, sender));
505 void SignalProxy::detachSlots(QObject* receiver) {
506 QMetaObject::invokeMethod(this, "_detachSlots",
507 Qt::QueuedConnection,
508 Q_ARG(QObject*, receiver));
511 void SignalProxy::_detachSignals(QObject* sender) {
512 if(!_relayHash.contains(sender))
514 _relayHash.take(sender)->deleteLater();
517 void SignalProxy::_detachSlots(QObject* receiver) {
518 SlotHash::iterator slotIter = _attachedSlots.begin();
519 while(slotIter != _attachedSlots.end()) {
520 if(slotIter.value().first == receiver) {
521 slotIter = _attachedSlots.erase(slotIter);
527 void SignalProxy::dispatchSignal(QIODevice *receiver, const QVariant &identifier, const QVariantList ¶ms) {
528 QVariantList packedFunc;
529 packedFunc << identifier;
530 packedFunc << params;
531 writeDataToDevice(receiver, QVariant(packedFunc));
534 void SignalProxy::dispatchSignal(const QVariant &identifier, const QVariantList ¶ms) {
535 // yes I know we have a little code duplication here... it's for the sake of performance
536 QVariantList packedFunc;
537 packedFunc << identifier;
538 packedFunc << params;
539 foreach(QIODevice* dev, _peerByteCount.keys())
540 writeDataToDevice(dev, QVariant(packedFunc));
543 void SignalProxy::receivePeerSignal(QIODevice *sender, const QVariant &packedFunc) {
544 QVariantList params(packedFunc.toList());
546 QVariant call = params.takeFirst();
547 if(call.type() != QVariant::Int)
548 return handleSignal(call.toByteArray(), params);
550 switch(call.toInt()) {
552 return handleSync(params);
554 return handleInitRequest(sender, params);
556 return handleInitData(sender, params);
558 qWarning() << "received undefined CallType" << call.toInt();
563 void SignalProxy::handleSync(QVariantList params) {
564 if(params.count() < 3) {
565 qWarning() << "received invalid Sync call" << params;
569 QByteArray className =params.takeFirst().toByteArray();
570 QString objectName = params.takeFirst().toString();
571 int signalId = params.takeFirst().toInt();
573 if(!_syncSlave.contains(className) || !_syncSlave[className].contains(objectName)) {
574 qWarning() << "no registered receiver:" << className << objectName << "for Sync call" << signalId << params;
578 QObject *receiver = _syncSlave[className][objectName];
579 if(!syncMap(receiver).contains(signalId)) {
580 qWarning() << "received Sync Call with invalid SignalId" << className << objectName << signalId;
582 int slotId = syncMap(receiver)[signalId];
583 if(!invokeSlot(receiver, slotId, params))
584 qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", methodName(receiver, slotId).constData());
587 void SignalProxy::handleInitRequest(QIODevice *sender, const QVariantList ¶ms) {
588 if(params.count() != 2) {
589 qWarning() << "SignalProxy::handleInitRequest() received initRequest with invalid param Count:"
594 QByteArray className(params[0].toByteArray());
595 QString objectName(params[1].toString());
597 if(!_syncSlave.contains(className)) {
598 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
603 if(!_syncSlave[className].contains(objectName)) {
604 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
605 << className << objectName;
609 QObject *obj = _syncSlave[className][objectName];
611 QVariantList params_;
612 params_ << obj->metaObject()->className()
616 dispatchSignal(sender, (int)InitData, params_);
619 void SignalProxy::handleInitData(QIODevice *sender, const QVariantList ¶ms) {
621 if(params.count() != 3) {
622 qWarning() << "SignalProxy::handleInitRequest() received initRequest with invalid param Count:"
627 QByteArray className(params[0].toByteArray());
628 QString objectName(params[1].toString());
629 QVariantMap propertyMap(params[2].toMap());
631 if(!_syncSlave.contains(className)) {
632 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
637 if(!_syncSlave[className].contains(objectName)) {
638 qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
639 << className << objectName;
643 QObject *obj = _syncSlave[className][objectName];
644 setInitData(obj, propertyMap);
647 void SignalProxy::handleSignal(const QByteArray &funcName, const QVariantList ¶ms) {
650 SlotHash::const_iterator slot = _attachedSlots.constFind(funcName);
651 while(slot != _attachedSlots.constEnd() && slot.key() == funcName) {
652 receiver = (*slot).first;
653 methodId = (*slot).second;
654 if(!invokeSlot(receiver, methodId, params))
655 qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", methodName(receiver, methodId).constData());
660 bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms) {
661 int numParams = argTypes(receiver, methodId).count();
662 QGenericArgument args[9];
663 for(int i = 0; i < numParams; i++)
664 args[i] = QGenericArgument(params[i].typeName(), params[i].constData());
665 return QMetaObject::invokeMethod(receiver, methodName(receiver, methodId), args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7], args[8]);
668 void SignalProxy::dataAvailable() {
669 // yet again. it's a private slot. no need for checks.
670 QIODevice* ioDev = qobject_cast<QIODevice* >(sender());
672 while(readDataFromDevice(ioDev, _peerByteCount[ioDev], var))
673 receivePeerSignal(ioDev, var);
676 void SignalProxy::writeDataToDevice(QIODevice *dev, const QVariant &item) {
677 QAbstractSocket* sock = qobject_cast<QAbstractSocket*>(dev);
678 if(!dev->isOpen() || (sock && sock->state()!=QAbstractSocket::ConnectedState)) {
679 qWarning("SignalProxy: Can't call on a closed device");
683 QDataStream out(&block, QIODevice::WriteOnly);
684 out.setVersion(QDataStream::Qt_4_2);
685 out << (quint32)0 << item;
686 out.device()->seek(0);
687 out << (quint32)(block.size() - sizeof(quint32));
691 bool SignalProxy::readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item) {
693 in.setVersion(QDataStream::Qt_4_2);
696 if(dev->bytesAvailable() < (int)sizeof(quint32)) return false;
700 if(dev->bytesAvailable() < blockSize)
707 bool SignalProxy::methodsMatch(const QMetaMethod &signal, const QMetaMethod &slot) const {
708 // if we don't even have the same basename it's a sure NO
709 if(methodBaseName(signal) != methodBaseName(slot))
712 // are the signatures compatible?
713 if(!QObject::staticMetaObject.checkConnectArgs(signal.signature(), slot.signature()))
716 // we take an educated guess if the signals and slots match
717 QString signalsuffix = ::methodName(signal).mid(QString(::methodName(signal)).lastIndexOf(QRegExp("[A-Z]"))).toLower();
718 QString slotprefix = ::methodName(slot).left(QString(::methodName(slot)).indexOf(QRegExp("[A-Z]"))).toLower();
720 uint sizediff = qAbs(slotprefix.size() - signalsuffix.size());
721 int ratio = editingDistance(slotprefix, signalsuffix) - sizediff;
725 QString SignalProxy::methodBaseName(const QMetaMethod &method) {
726 QString methodname = QString(method.signature()).section("(", 0, 0);
728 // determine where we have to chop:
729 if(method.methodType() == QMetaMethod::Slot) {
730 // we take evertyhing from the first uppercase char if it's slot
731 methodname = methodname.mid(methodname.indexOf(QRegExp("[A-Z]")));
733 // and if it's a signal we discard everything from the last uppercase char
734 methodname = methodname.left(methodname.lastIndexOf(QRegExp("[A-Z]")));
737 methodname[0] = methodname[0].toUpper();
742 QVariantMap SignalProxy::initData(QObject *obj) const {
743 QVariantMap properties;
745 const QMetaObject* meta = obj->metaObject();
747 // we collect data from properties
748 for(int i = 0; i < meta->propertyCount(); i++) {
749 QMetaProperty prop = meta->property(i);
750 properties[QString(prop.name())] = prop.read(obj);
753 // ...as well as methods, which have names starting with "init"
754 for(int i = 0; i < meta->methodCount(); i++) {
755 QMetaMethod method = meta->method(i);
756 QString methodname(::methodName(method));
757 if(!methodname.startsWith("init") || methodname.startsWith("initSet"))
760 QVariant value = QVariant(QVariant::nameToType(method.typeName()));
761 QGenericReturnArgument genericvalue = QGenericReturnArgument(method.typeName(), &value);
762 QMetaObject::invokeMethod(obj, methodname.toAscii(), genericvalue);
764 properties[methodBaseName(method)] = value;
765 // qDebug() << ">>> SYNC:" << methodBaseName(method) << value;
768 // properties["Payload"] = QByteArray(10000000, 'a'); // for testing purposes
772 void SignalProxy::setInitData(QObject *obj, const QVariantMap &properties) {
776 const QMetaObject *meta = obj->metaObject();
778 QVariantMap::const_iterator iterator = properties.constBegin();
779 while(iterator != properties.constEnd()) {
780 QString name = iterator.key();
781 int propertyIndex = meta->indexOfProperty(name.toAscii());
783 if(propertyIndex == -1 || !meta->property(propertyIndex).isWritable())
784 setInitValue(obj, name, iterator.value());
786 obj->setProperty(name.toAscii(), iterator.value());
787 // qDebug() << "<<< SYNC:" << name << iterator.value();
793 bool SignalProxy::setInitValue(QObject *obj, const QString &property, const QVariant &value) {
794 QString handlername = QString("initSet") + property;
795 handlername[7] = handlername[7].toUpper();
796 QGenericArgument param(value.typeName(), value.constData());
797 return QMetaObject::invokeMethod(obj, handlername.toAscii(), param);
800 void SignalProxy::dumpProxyStats() {
802 if(proxyMode() == Server)
808 foreach(SignalRelay *relay, _relayHash.values())
809 sigCount += relay->sigCount();
812 foreach(ObjectId oid, _syncSlave.values())
813 slaveCount += oid.count();
816 qDebug() << " Proxy Mode:" << mode;
817 qDebug() << "attached sending Objects:" << _relayHash.count();
818 qDebug() << " number of Signals:" << sigCount;
819 qDebug() << " attached Slots:" << _attachedSlots.count();
820 qDebug() << " number of synced Slaves:" << slaveCount;
821 qDebug() << "number of Classes cached:" << _classInfo.count();