+ QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
+ while(classIter != _syncSlave.end()) {
+ ObjectId::iterator objIter = classIter->begin();
+ while(objIter != classIter->end()) {
+ SyncableObject *obj = objIter.value();
+ objIter = classIter->erase(objIter);
+ obj->stopSynchronize(this);
+ }
+ classIter++;
+ }
+ _syncSlave.clear();
+
+ removeAllPeers();
+}
+
+void SignalProxy::setProxyMode(ProxyMode mode) {
+ PeerHash::iterator peer = _peers.begin();
+ while(peer != _peers.end()) {
+ if((*peer)->type() != AbstractPeer::IODevicePeer) {
+ IODevicePeer *ioPeer = static_cast<IODevicePeer *>(*peer);
+ if(ioPeer->isOpen()) {
+ qWarning() << "SignalProxy: Cannot change proxy mode while connected";
+ return;
+ }
+ }
+ if((*peer)->type() != AbstractPeer::SignalProxyPeer) {
+ qWarning() << "SignalProxy: Cannot change proxy mode while connected to another internal SignalProxy";
+ return;
+ }
+ peer++;
+ }
+
+ _proxyMode = mode;
+ if(mode == Server)
+ initServer();
+ else
+ initClient();
+}
+
+void SignalProxy::init() {
+ _signalRelay = new SignalRelay(this);
+ connect(&_heartBeatTimer, SIGNAL(timeout()), this, SLOT(sendHeartBeat()));
+ setHeartBeatInterval(30);
+ setMaxHeartBeatCount(2);
+ _heartBeatTimer.start();
+ _secure = false;
+ updateSecureState();
+}
+
+void SignalProxy::initServer() {
+}
+
+void SignalProxy::initClient() {
+ attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray, QString, QString)));
+}
+
+bool SignalProxy::addPeer(QIODevice* iodev) {
+ if(!iodev)
+ return false;
+
+ if(_peers.contains(iodev))
+ return true;
+
+ if(proxyMode() == Client && !_peers.isEmpty()) {
+ qWarning("SignalProxy: only one peer allowed in client mode!");
+ return false;
+ }
+
+ if(!iodev->isOpen()) {
+ qWarning("SignalProxy::addPeer(QIODevice *iodev): iodev needs to be open!");
+ return false;
+ }
+
+ connect(iodev, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
+ connect(iodev, SIGNAL(readyRead()), this, SLOT(dataAvailable()));
+
+#ifdef HAVE_SSL
+ QSslSocket *sslSocket = qobject_cast<QSslSocket *>(iodev);
+ if(sslSocket) {
+ connect(iodev, SIGNAL(encrypted()), this, SLOT(updateSecureState()));
+ }
+#endif
+
+ if(!iodev->parent())
+ iodev->setParent(this);
+
+ _peers[iodev] = new IODevicePeer(iodev, iodev->property("UseCompression").toBool());
+
+ if(_peers.count() == 1)
+ emit connected();
+
+ updateSecureState();
+ return true;
+}
+
+void SignalProxy::setHeartBeatInterval(int secs) {
+ if(secs != _heartBeatInterval) {
+ _heartBeatInterval = secs;
+ _heartBeatTimer.setInterval(secs * 1000);
+ }
+}
+
+void SignalProxy::setMaxHeartBeatCount(int max) {
+ _maxHeartBeatCount = max;
+}
+
+bool SignalProxy::addPeer(SignalProxy* proxy) {
+ if(!proxy)
+ return false;
+
+ if(proxyMode() == proxy->proxyMode()) {
+ qWarning() << "SignalProxy::addPeer(): adding a SignalProxy as peer requires one proxy to be server and one client!";
+ return false;
+ }
+
+ if(_peers.contains(proxy)) {
+ return true;
+ }
+
+ if(proxyMode() == Client && !_peers.isEmpty()) {
+ qWarning("SignalProxy: only one peer allowed in client mode!");
+ return false;
+ }
+
+ _peers[proxy] = new SignalProxyPeer(this, proxy);
+ proxy->addPeer(this);
+
+ if(_peers.count() == 1)
+ emit connected();
+
+ updateSecureState();
+ return true;
+}
+
+void SignalProxy::removeAllPeers() {
+ Q_ASSERT(proxyMode() == Server || _peers.count() <= 1);
+ // wee need to copy that list since we modify it in the loop
+ QList<QObject *> peers = _peers.keys();
+ foreach(QObject *peer, peers) {
+ removePeer(peer);
+ }
+}
+
+void SignalProxy::removePeer(QObject* dev) {
+ if(_peers.isEmpty()) {
+ qWarning() << "SignalProxy::removePeer(): No peers in use!";
+ return;
+ }
+
+ Q_ASSERT(dev);
+ if(!_peers.contains(dev)) {
+ qWarning() << "SignalProxy: unknown Peer" << dev;
+ return;
+ }
+
+ AbstractPeer *peer = _peers[dev];
+ _peers.remove(dev);
+
+ disconnect(dev, 0, this, 0);
+ if(peer->type() == AbstractPeer::IODevicePeer)
+ emit peerRemoved(static_cast<QIODevice *>(dev));
+
+ if(peer->type() == AbstractPeer::SignalProxyPeer) {
+ SignalProxy *proxy = static_cast<SignalProxy *>(dev);
+ if(proxy->_peers.contains(this))
+ proxy->removePeer(this);
+ }
+
+ if(dev->parent() == this)
+ dev->deleteLater();
+
+ delete peer;
+
+ updateSecureState();
+
+ if(_peers.isEmpty())
+ emit disconnected();
+}
+
+void SignalProxy::removePeerBySender() {
+ removePeer(sender());
+}
+
+void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname) {
+ if(proxyMode() == Client)
+ return;
+
+ const QMetaObject *meta = obj->syncMetaObject();
+ const QByteArray className(meta->className());
+ objectRenamed(className, newname, oldname);
+
+ QVariantList params;
+ params << "__objectRenamed__" << className << newname << oldname;
+ dispatchSignal(RpcCall, params);
+}
+
+void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &oldname) {
+ if(_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
+ SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
+ requestInit(obj);
+ }
+}
+
+const QMetaObject *SignalProxy::metaObject(const QObject *obj) {
+ if(const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(obj))
+ return syncObject->syncMetaObject();
+ else
+ return obj->metaObject();
+}
+
+SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const {
+ if(_extendedMetaObjects.contains(meta))
+ return _extendedMetaObjects[meta];
+ else
+ return 0;
+}
+
+SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts) {
+ if(!_extendedMetaObjects.contains(meta)) {
+ _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
+ }
+ return _extendedMetaObjects[meta];
+}
+
+bool SignalProxy::attachSignal(QObject *sender, const char* signal, const QByteArray& sigName) {
+ const QMetaObject* meta = sender->metaObject();
+ QByteArray sig(meta->normalizedSignature(signal).mid(1));
+ int methodId = meta->indexOfMethod(sig.constData());
+ if(methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
+ qWarning() << "SignalProxy::attachSignal(): No such signal" << signal;
+ return false;
+ }
+
+ createExtendedMetaObject(meta);
+ _signalRelay->attachSignal(sender, methodId, sigName);
+
+ disconnect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
+ connect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
+ return true;
+}
+
+bool SignalProxy::attachSlot(const QByteArray& sigName, QObject* recv, const char* slot) {
+ const QMetaObject* meta = recv->metaObject();
+ int methodId = meta->indexOfMethod(meta->normalizedSignature(slot).mid(1));
+ if(methodId == -1 || meta->method(methodId).methodType() == QMetaMethod::Method) {
+ qWarning() << "SignalProxy::attachSlot(): No such slot" << slot;
+ return false;
+ }
+
+ createExtendedMetaObject(meta);
+
+ QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
+ _attachedSlots.insert(funcName, qMakePair(recv, methodId));
+
+ disconnect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
+ connect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
+ return true;
+}
+
+void SignalProxy::synchronize(SyncableObject *obj) {
+ createExtendedMetaObject(obj, true);
+
+ // attaching as slave to receive sync Calls
+ QByteArray className(obj->syncMetaObject()->className());
+ _syncSlave[className][obj->objectName()] = obj;
+
+ if(proxyMode() == Server) {
+ obj->setInitialized();
+ emit objectInitialized(obj);
+ } else {
+ if(obj->isInitialized())
+ emit objectInitialized(obj);
+ else
+ requestInit(obj);
+ }
+
+ obj->synchronize(this);
+}
+
+void SignalProxy::detachObject(QObject *obj) {
+ detachSignals(obj);
+ detachSlots(obj);
+}
+
+void SignalProxy::detachSignals(QObject *sender) {
+ _signalRelay->detachSignal(sender);
+}
+
+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::stopSynchronize(SyncableObject *obj) {
+ // 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.value()[obj->objectName()] == obj) {
+ classIter->remove(obj->objectName());
+ break;
+ }
+ classIter++;
+ }
+ obj->stopSynchronize(this);
+}
+
+void SignalProxy::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) {
+ QVariant packedFunc(QVariantList() << (qint16)requestType << params);
+ PeerHash::iterator peer = _peers.begin();
+ while(peer != _peers.end()) {
+ switch((*peer)->type()) {
+ case AbstractPeer::IODevicePeer:
+ {
+ IODevicePeer *ioPeer = static_cast<IODevicePeer *>(*peer);
+ if(ioPeer->isOpen())
+ ioPeer->dispatchPackedFunc(packedFunc);
+ else
+ QCoreApplication::postEvent(this, new RemovePeerEvent(peer.key()));
+ }
+ break;
+ case AbstractPeer::SignalProxyPeer:
+ (*peer)->dispatchSignal(requestType, params);
+ break;
+ default:
+ Q_ASSERT(false); // there shouldn't be any peers with wrong / unknown type
+ }
+ peer++;
+ }
+}
+
+void SignalProxy::receivePackedFunc(AbstractPeer *sender, const QVariant &packedFunc) {
+ QVariantList params(packedFunc.toList());
+
+ if(params.isEmpty()) {
+ qWarning() << "SignalProxy::receivePeerSignal(): received incompatible Data:" << packedFunc;
+ return;
+ }
+
+ RequestType requestType = (RequestType)params.takeFirst().value<int>();
+ receivePeerSignal(sender, requestType, params);
+}
+
+void SignalProxy::receivePeerSignal(AbstractPeer *sender, const RequestType &requestType, const QVariantList ¶ms) {
+ switch(requestType) {
+ // list all RequestTypes that shouldnot trigger a heartbeat counter reset here
+ case HeartBeatReply:
+ break;
+ default:
+ if(sender->type() == AbstractPeer::IODevicePeer) {
+ IODevicePeer *ioPeer = static_cast<IODevicePeer *>(sender);
+ ioPeer->sentHeartBeats = 0;
+ }
+ }
+
+ // qDebug() << "SignalProxy::receivePeerSignal)" << requestType << params;
+ switch(requestType) {
+ case RpcCall:
+ if(params.empty())
+ qWarning() << "SignalProxy::receivePeerSignal(): received empty RPC-Call";
+ else
+ handleSignal(params);
+ //handleSignal(params.takeFirst().toByteArray(), params);
+ break;
+
+ case Sync:
+ handleSync(sender, params);
+ break;
+
+ case InitRequest:
+ handleInitRequest(sender, params);
+ break;
+
+ case InitData:
+ handleInitData(sender, params);
+ break;
+
+ case HeartBeat:
+ receiveHeartBeat(sender, params);
+ break;
+
+ case HeartBeatReply:
+ receiveHeartBeatReply(sender, params);
+ break;
+
+ default:
+ qWarning() << "SignalProxy::receivePeerSignal(): received undefined CallType" << requestType << params;
+ }
+}
+
+void SignalProxy::receivePeerSignal(SignalProxy *sender, const RequestType &requestType, const QVariantList ¶ms) {
+ if(!_peers.contains(sender)) {
+ // we output only the pointer value. otherwise Qt would try to pretty print. As the object might already been destroyed, this is not a good idea.
+ qWarning() << "SignalProxy::receivePeerSignal(): received Signal from unknown Proxy" << reinterpret_cast<void *>(sender);
+ return;
+ }
+ receivePeerSignal(_peers[sender], requestType, params);
+}
+
+void SignalProxy::handleSync(AbstractPeer *sender, QVariantList params) {
+ if(params.count() < 3) {
+ qWarning() << "received invalid Sync call" << params;
+ return;
+ }
+
+ QByteArray className = params.takeFirst().toByteArray();
+ QString objectName = params.takeFirst().toString();
+ QByteArray slot = params.takeFirst().toByteArray();
+
+ if(!_syncSlave.contains(className) || !_syncSlave[className].contains(objectName)) {
+ qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(QString(className)).arg(QString(slot)).arg(objectName)
+ << params;
+ return;
+ }
+
+ SyncableObject *receiver = _syncSlave[className][objectName];
+ ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
+ if(!eMeta->slotMap().contains(slot)) {
+ qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(QString(className)).arg(QString(slot)).arg(objectName)
+ << params;
+ return;
+ }
+
+ int slotId = eMeta->slotMap()[slot];
+ if(proxyMode() != eMeta->receiverMode(slotId)) {
+ qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
+ return;
+ }
+
+ QVariant returnValue((QVariant::Type)eMeta->returnType(slotId));
+ if(!invokeSlot(receiver, slotId, params, returnValue)) {
+ qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
+ return;
+ }
+
+
+ if(returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
+ int receiverId = eMeta->receiveMap()[slotId];
+ QVariantList returnParams;
+ returnParams << className
+ << objectName
+ << eMeta->methodName(receiverId);
+ //QByteArray(receiver->metaObject()->method(receiverId).signature());
+ if(eMeta->argTypes(receiverId).count() > 1)
+ returnParams << params;
+ returnParams << returnValue;
+ sender->dispatchSignal(Sync, returnParams);
+ }
+
+ // send emit update signal
+ invokeSlot(receiver, eMeta->updatedRemotelyId());
+}
+
+void SignalProxy::handleInitRequest(AbstractPeer *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;