-void SignalProxy::_detachSlots(QObject* receiver) {
- SlotHash::iterator slotIter = _attachedSlots.begin();
- while(slotIter != _attachedSlots.end()) {
- if(slotIter.value().first == receiver) {
- slotIter = _attachedSlots.erase(slotIter);
- } else
- slotIter++;
- }
-}
-
-void SignalProxy::_stopSync(QObject* obj) {
- if(_relayHash.contains(obj))
- _relayHash[obj]->setSynchronize(false);
-
- // we can't use a className here, since it might be effed up, if we receive the call as a result of a decon
- // gladly the objectName() is still valid. So we have only to iterate over the classes not each instance! *sigh*
- QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
- while(classIter != _syncSlave.end()) {
- if(classIter->contains(obj->objectName())) {
- classIter->remove(obj->objectName());
- break;
- }
- classIter++;
- }
-}
-
-void SignalProxy::dispatchSignal(QIODevice *receiver, const QVariant &identifier, const QVariantList ¶ms) {
- QVariantList packedFunc;
- packedFunc << identifier;
- packedFunc << params;
- writeDataToDevice(receiver, QVariant(packedFunc));
-}
-
-void SignalProxy::dispatchSignal(const QVariant &identifier, const QVariantList ¶ms) {
- // yes I know we have a little code duplication here... it's for the sake of performance
- QVariantList packedFunc;
- packedFunc << identifier;
- packedFunc << params;
- foreach(QIODevice* dev, _peerByteCount.keys())
- writeDataToDevice(dev, QVariant(packedFunc));
-}
-
-void SignalProxy::receivePeerSignal(QIODevice *sender, const QVariant &packedFunc) {
- QVariantList params(packedFunc.toList());
-
- QVariant call = params.takeFirst();
- if(call.type() != QVariant::Int)
- return handleSignal(call.toByteArray(), params);
-
- // well yes we are locking code here and not only data.
- // otherwise each handler would have to lock the data anyway. this leaves us on the safe side
- // unable to forget a lock
- QMutexLocker locker(&slaveMutex);
-
- switch(call.toInt()) {
- case Sync:
- return handleSync(params);
- case InitRequest:
- return handleInitRequest(sender, params);
- case InitData:
- return handleInitData(sender, params);
- default:
- qWarning() << "received undefined CallType" << call.toInt();
- return;
- }
-}
-
-void SignalProxy::handleSync(QVariantList params) {
- if(params.count() < 3) {
- qWarning() << "received invalid Sync call" << params;
- return;
- }
-
- QByteArray className = params.takeFirst().toByteArray();
- QString objectName = params.takeFirst().toString();
- QByteArray signal = params.takeFirst().toByteArray();
-
- if(!_syncSlave.contains(className) || !_syncSlave[className].contains(objectName)) {
- qWarning() << QString("no registered receiver for sync call: %s::%s (objectName=\"%s\"). Params are:").arg(QString(className)).arg(QString(signal)).arg(objectName)
- << params;
- return;
- }
-
- QObject *receiver = _syncSlave[className][objectName];
- if(!syncMap(receiver).contains(signal)) {
- qWarning() << QString("no matching slot for sync call: %s::%s (objectName=\"%s\"). Params are:").arg(QString(className)).arg(QString(signal)).arg(objectName)
- << params;
- return;
- }
-
- int slotId = syncMap(receiver)[signal];
- if(!invokeSlot(receiver, slotId, params)) {
- qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", methodName(receiver, slotId).constData());
- return;
- }
- if(hasUpdateSignal(receiver))
- QMetaObject::invokeMethod(receiver, "updatedRemotely");
-}
-
-void SignalProxy::handleInitRequest(QIODevice *sender, const QVariantList ¶ms) {
- if(params.count() != 2) {
- qWarning() << "SignalProxy::handleInitRequest() received initRequest with invalid param Count:"
- << params;
- return;
- }
-
- QByteArray className(params[0].toByteArray());
- QString objectName(params[1].toString());
-
- if(!_syncSlave.contains(className)) {
- qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
- << className;
- return;
- }
-
- if(!_syncSlave[className].contains(objectName)) {
- qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
- << className << objectName;
- return;
- }
-
- QObject *obj = _syncSlave[className][objectName];
-
- QVariantList params_;
- params_ << obj->metaObject()->className()
- << obj->objectName()
- << initData(obj);
-
- dispatchSignal(sender, (int)InitData, params_);
-}
-
-void SignalProxy::handleInitData(QIODevice *sender, const QVariantList ¶ms) {
- Q_UNUSED(sender)
- if(params.count() != 3) {
- qWarning() << "SignalProxy::handleInitRequest() received initRequest with invalid param Count:"
- << params;
- return;
- }
-
- QByteArray className(params[0].toByteArray());
- QString objectName(params[1].toString());
- QVariantMap propertyMap(params[2].toMap());
-
- if(!_syncSlave.contains(className)) {
- qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
- << className;
- return;
- }
-
- if(!_syncSlave[className].contains(objectName)) {
- qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
- << className << objectName;
- return;
- }
-
- QObject *obj = _syncSlave[className][objectName];
- setInitData(obj, propertyMap);
-}
-
-void SignalProxy::handleSignal(const QByteArray &funcName, const QVariantList ¶ms) {
- QObject* receiver;
- int methodId;
- SlotHash::const_iterator slot = _attachedSlots.constFind(funcName);
- while(slot != _attachedSlots.constEnd() && slot.key() == funcName) {
- receiver = (*slot).first;
- methodId = (*slot).second;
- if(!invokeSlot(receiver, methodId, params))
- qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", methodName(receiver, methodId).constData());
- slot++;
- }
-}
-
-bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms) {
- int numParams = argTypes(receiver, methodId).count();
- QGenericArgument args[9];
- for(int i = 0; i < numParams; i++)
- args[i] = QGenericArgument(params[i].typeName(), params[i].constData());
- 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]);
-}
-
-void SignalProxy::dataAvailable() {
- // yet again. it's a private slot. no need for checks.
- QIODevice* ioDev = qobject_cast<QIODevice* >(sender());
- QVariant var;
- while(readDataFromDevice(ioDev, _peerByteCount[ioDev], var))
- receivePeerSignal(ioDev, var);
-}
-
-void SignalProxy::writeDataToDevice(QIODevice *dev, const QVariant &item) {
- QAbstractSocket* sock = qobject_cast<QAbstractSocket*>(dev);
- if(!dev->isOpen() || (sock && sock->state()!=QAbstractSocket::ConnectedState)) {
- qWarning("SignalProxy: Can't call on a closed device");
- return;
- }
- QByteArray block;
- QDataStream out(&block, QIODevice::WriteOnly);
- out.setVersion(QDataStream::Qt_4_2);
- out << (quint32)0 << item;
- out.device()->seek(0);
- out << (quint32)(block.size() - sizeof(quint32));
- dev->write(block);
-}
-
-bool SignalProxy::readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item) {
- QDataStream in(dev);
- in.setVersion(QDataStream::Qt_4_2);
-
- if(blockSize == 0) {
- if(dev->bytesAvailable() < (int)sizeof(quint32)) return false;
- in >> blockSize;
- }
-
- if(dev->bytesAvailable() < blockSize)
- return false;
- in >> item;
- blockSize = 0;
- return true;
-}
-
-bool SignalProxy::methodsMatch(const QMetaMethod &signal, const QMetaMethod &slot) const {
- // if we don't even have the same basename it's a sure NO
- if(methodBaseName(signal) != methodBaseName(slot))
- return false;
-
- // are the signatures compatible?
- if(!QObject::staticMetaObject.checkConnectArgs(signal.signature(), slot.signature()))
- return false;
-
- // we take an educated guess if the signals and slots match
- QString signalsuffix = ::methodName(signal).mid(QString(::methodName(signal)).lastIndexOf(QRegExp("[A-Z]"))).toLower();
- QString slotprefix = ::methodName(slot).left(QString(::methodName(slot)).indexOf(QRegExp("[A-Z]"))).toLower();
-
- uint sizediff = qAbs(slotprefix.size() - signalsuffix.size());
- int ratio = editingDistance(slotprefix, signalsuffix) - sizediff;
- return (ratio < 2);
-}
-
-QString SignalProxy::methodBaseName(const QMetaMethod &method) {
- QString methodname = QString(method.signature()).section("(", 0, 0);
-
- // determine where we have to chop:
- if(method.methodType() == QMetaMethod::Slot) {
- // we take evertyhing from the first uppercase char if it's slot
- methodname = methodname.mid(methodname.indexOf(QRegExp("[A-Z]")));
- } else {
- // and if it's a signal we discard everything from the last uppercase char
- methodname = methodname.left(methodname.lastIndexOf(QRegExp("[A-Z]")));
- }
-
- methodname[0] = methodname[0].toUpper();
-
- return methodname;
-}
-
-QVariantMap SignalProxy::initData(QObject *obj) const {
- QVariantMap properties;
-
- const QMetaObject* meta = obj->metaObject();
-
- // we collect data from properties
- for(int i = 0; i < meta->propertyCount(); i++) {
- QMetaProperty prop = meta->property(i);
- properties[QString(prop.name())] = prop.read(obj);
- }
-
- // ...as well as methods, which have names starting with "init"
- for(int i = 0; i < meta->methodCount(); i++) {
- QMetaMethod method = meta->method(i);
- QString methodname(::methodName(method));
- if(!methodname.startsWith("init") || methodname.startsWith("initSet"))
- continue;
-
- QVariant value = QVariant(QVariant::nameToType(method.typeName()));
- QGenericReturnArgument genericvalue = QGenericReturnArgument(method.typeName(), &value);
- QMetaObject::invokeMethod(obj, methodname.toAscii(), genericvalue);
-
- properties[methodBaseName(method)] = value;
- // qDebug() << ">>> SYNC:" << methodBaseName(method) << value;
- }
-
- // properties["Payload"] = QByteArray(10000000, 'a'); // for testing purposes
- return properties;
-}
-
-void SignalProxy::setInitData(QObject *obj, const QVariantMap &properties) {
- if(initialized(obj))
- return;
-
- const QMetaObject *meta = obj->metaObject();
-
- QVariantMap::const_iterator iterator = properties.constBegin();
- while(iterator != properties.constEnd()) {
- QString name = iterator.key();
- int propertyIndex = meta->indexOfProperty(name.toAscii());