-/****************************************************************************
- **
- ** Copyright (C) Qxt Foundation. Some rights reserved.
- **
- ** This file is part of the QxtNetwork module of the Qt eXTension library
- **
- ** This library is free software; you can redistribute it and/or modify it
- ** under the terms of th Common Public License, version 1.0, as published by
- ** IBM.
- **
- ** This file is provided "AS IS", without WARRANTIES OR CONDITIONS OF ANY
- ** KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
- ** WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR
- ** FITNESS FOR A PARTICULAR PURPOSE.
- **
- ** You should have received a copy of the CPL along with this file.
- ** See the LICENSE file and the cpl1.0.txt file included with the source
- ** distribution for more information. If you did not receive a copy of the
- ** license, contact the Qxt Foundation.
- **
- ** <http://libqxt.sourceforge.net> <foundation@libqxt.org>
- **
- ****************************************************************************/
+/***************************************************************************
+ * Copyright (C) 2005-2018 by the Quassel Project *
+ * devel@quassel-irc.org *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) version 3. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
+ ***************************************************************************/
-#include "signalproxy.h"
-#include <QObject>
-#include <QIODevice>
-#include <QAbstractSocket>
-#include <QHash>
-#include <QMultiHash>
-#include <QList>
-#include <QSet>
-#include <QDebug>
+#include <utility>
+
+#include <QCoreApplication>
+#include <QHostAddress>
#include <QMetaMethod>
+#include <QMetaProperty>
+#include <QThread>
+
+#ifdef HAVE_SSL
+ #include <QSslSocket>
+#endif
+
+#include "signalproxy.h"
+
+#include "peer.h"
+#include "protocol.h"
+#include "syncableobject.h"
+#include "util.h"
+#include "types.h"
+
+using namespace Protocol;
+
+class RemovePeerEvent : public QEvent
+{
+public:
+ RemovePeerEvent(Peer *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeerEvent)), peer(peer) {}
+ Peer *peer;
+};
+
-class ClassIntrospector: public QObject {
-// This class MANUALLY implements the necessary parts of QObject.
-// Do NOT add the Q_OBJECT macro. As this class isn't intended
-// for direct use, it doesn't offer any sort of useful meta-object.
+// ==================================================
+// SignalRelay
+// ==================================================
+class SignalProxy::SignalRelay : public QObject
+{
+/* Q_OBJECT is not necessary or even allowed, because we implement
+ qt_metacall ourselves (and don't use any other features of the meta
+ object system)
+*/
public:
- ClassIntrospector(SignalProxy* parent, QObject* source);
- int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
+ SignalRelay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
+ inline SignalProxy *proxy() const { return _proxy; }
+
+ int qt_metacall(QMetaObject::Call _c, int _id, void **_a) override;
+
+ void attachSignal(QObject *sender, int signalId, const QByteArray &funcName);
+ void detachSignal(QObject *sender, int signalId = -1);
- void attachSignal(int methodId, const QByteArray &func);
-
private:
- SignalProxy* proxy;
- QObject* caller;
- QMultiHash<int, QByteArray> rpcFunction;
+ struct Signal {
+ QObject *sender{nullptr};
+ int signalId{-1};
+ QByteArray signature;
+ Signal(QObject *sender, int sigId, QByteArray signature) : sender(sender), signalId(sigId), signature(std::move(signature)) {}
+ Signal() = default;
+ };
+
+ SignalProxy *_proxy;
+ QHash<int, Signal> _slots;
};
-ClassIntrospector::ClassIntrospector(SignalProxy* parent, QObject* source)
- : QObject(parent),
- proxy(parent),
- caller(source)
+
+void SignalProxy::SignalRelay::attachSignal(QObject *sender, int signalId, const QByteArray &funcName)
+{
+ // we ride without safetybelts here... all checking for valid method etc pp has to be done by the caller
+ // all connected methodIds are offset by the standard methodCount of QObject
+ int slotId;
+ for (int i = 0;; i++) {
+ if (!_slots.contains(i)) {
+ slotId = i;
+ break;
+ }
+ }
+
+ QByteArray fn;
+ if (!funcName.isEmpty()) {
+ fn = QMetaObject::normalizedSignature(funcName);
+ }
+ else {
+ fn = SIGNAL(fakeMethodSignature());
+ fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).methodSignature());
+ }
+
+ _slots[slotId] = Signal(sender, signalId, fn);
+
+ QMetaObject::connect(sender, signalId, this, QObject::staticMetaObject.methodCount() + slotId);
+}
+
+
+void SignalProxy::SignalRelay::detachSignal(QObject *sender, int signalId)
{
- QObject::connect(source, SIGNAL(destroyed()), parent, SLOT(detachSender()));
+ QHash<int, Signal>::iterator slotIter = _slots.begin();
+ while (slotIter != _slots.end()) {
+ if (slotIter->sender == sender && (signalId == -1 || slotIter->signalId == signalId)) {
+ slotIter = _slots.erase(slotIter);
+ if (signalId != -1)
+ break;
+ }
+ else {
+ ++slotIter;
+ }
+ }
}
-int ClassIntrospector::qt_metacall(QMetaObject::Call _c, int _id, void **_a) {
- _id = QObject::qt_metacall(_c, _id, _a);
- if(_id < 0)
+
+int SignalProxy::SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
+{
+ _id = QObject::qt_metacall(_c, _id, _a);
+ if (_id < 0)
+ return _id;
+
+ if (_c == QMetaObject::InvokeMetaMethod) {
+ if (_slots.contains(_id)) {
+ QObject *caller = sender();
+
+ SignalProxy::ExtendedMetaObject *eMeta = proxy()->extendedMetaObject(caller->metaObject());
+ Q_ASSERT(eMeta);
+
+ const Signal &signal = _slots[_id];
+
+ QVariantList params;
+
+ const QList<int> &argTypes = eMeta->argTypes(signal.signalId);
+ for (int i = 0; i < argTypes.size(); i++) {
+ if (argTypes[i] == 0) {
+ qWarning() << "SignalRelay::qt_metacall(): received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(caller->metaObject()->className()).arg(caller->metaObject()->method(signal.signalId).methodSignature().constData());
+ qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
+ return _id;
+ }
+ params << QVariant(argTypes[i], _a[i+1]);
+ }
+
+ if (proxy()->_restrictMessageTarget) {
+ for (auto peer : proxy()->_restrictedTargets) {
+ if (peer != nullptr)
+ proxy()->dispatch(peer, RpcCall(signal.signature, params));
+ }
+ } else
+ proxy()->dispatch(RpcCall(signal.signature, params));
+ }
+ _id -= _slots.count();
+ }
return _id;
- if(_c == QMetaObject::InvokeMetaMethod) {
- if(rpcFunction.contains(_id)) {
- const QList<int> &argTypes = proxy->argTypes(caller, _id);
- QVariantList params;
- int n = argTypes.size();
- for(int i=0; i<n; i++)
- params.append(QVariant(argTypes[i], _a[i+1]));
- QMultiHash<int, QByteArray>::const_iterator funcIter = rpcFunction.constFind(_id);
- while(funcIter != rpcFunction.constEnd() && funcIter.key() == _id) {
- proxy->call(funcIter.value(), params);
- funcIter++;
- }
- }
- _id -= 1;
- }
- return _id;
-}
-
-void ClassIntrospector::attachSignal(int methodId, const QByteArray &func) {
- // we ride without safetybelts here... all checking for valid method etc pp has to be done by the caller
- // all connected methodIds are offset by the standard methodCount of QObject
- if(!rpcFunction.contains(methodId))
- QMetaObject::connect(caller, methodId, this, QObject::staticMetaObject.methodCount() + methodId);
-
- QByteArray fn;
- if(!func.isEmpty()) {
- fn = QMetaObject::normalizedSignature(func);
- } else {
- fn = QByteArray("2") + caller->metaObject()->method(methodId).signature();
- }
- rpcFunction.insert(methodId, fn);
-}
-// ====================
-// END INTROSPECTOR
-// ====================
-
-
-// ====================
+}
+
+
+// ==================================================
// SignalProxy
-// ====================
-SignalProxy::SignalProxy(QObject* parent)
- : QObject(parent),
- _rpcType(Peer),
- _maxClients(-1)
+// ==================================================
+
+namespace {
+thread_local SignalProxy *_current{nullptr};
+}
+
+SignalProxy::SignalProxy(QObject *parent)
+ : QObject(parent)
{
+ setProxyMode(Client);
+ init();
}
-SignalProxy::SignalProxy(RPCTypes type, QObject* parent)
- : QObject(parent),
- _rpcType(type),
- _maxClients(-1)
+
+SignalProxy::SignalProxy(ProxyMode mode, QObject *parent)
+ : QObject(parent)
{
+ setProxyMode(mode);
+ init();
}
-SignalProxy::SignalProxy(RPCTypes type, QIODevice* device, QObject* parent)
- : QObject(parent),
- _rpcType(type),
- _maxClients(-1)
+
+SignalProxy::~SignalProxy()
{
- addPeer(device);
-}
+ 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();
+
+ _current = nullptr;
+}
+
-SignalProxy::~SignalProxy() {
- QList<QObject*> senders = _specHash.keys();
- foreach(QObject* sender, senders)
- detachObject(sender);
+SignalProxy *SignalProxy::current()
+{
+ return _current;
}
-void SignalProxy::setRPCType(RPCTypes type) {
- foreach(QIODevice* peer, _peerByteCount.keys()) {
- if(peer->isOpen()) {
- qWarning() << "SignalProxy: Cannot change RPC types while connected";
- return;
+
+void SignalProxy::setProxyMode(ProxyMode mode)
+{
+ if (!_peerMap.empty()) {
+ qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
+ return;
}
- }
- _rpcType = type;
+
+ _proxyMode = mode;
+ if (mode == Server)
+ initServer();
+ else
+ initClient();
+}
+
+void SignalProxy::init()
+{
+ _heartBeatInterval = 0;
+ _maxHeartBeatCount = 0;
+ _signalRelay = new SignalRelay(this);
+ setHeartBeatInterval(30);
+ setMaxHeartBeatCount(2);
+ _secure = false;
+ _current = this;
+ updateSecureState();
}
-SignalProxy::RPCTypes SignalProxy::rpcType() const {
- return (RPCTypes)(_rpcType);
+void SignalProxy::initServer()
+{
}
-bool SignalProxy::maxPeersReached() {
- if(_peerByteCount.empty())
- return false;
- if(rpcType() != Server)
- return true;
- if(_maxClients == -1)
- return false;
- return (_maxClients <= _peerByteCount.count());
+void SignalProxy::initClient()
+{
+ attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
+}
+
+
+void SignalProxy::setHeartBeatInterval(int secs)
+{
+ if (_heartBeatInterval != secs) {
+ _heartBeatInterval = secs;
+ emit heartBeatIntervalChanged(secs);
+ }
}
-bool SignalProxy::addPeer(QIODevice* iodev) {
- if(!iodev)
- return false;
-
- if(_peerByteCount.contains(iodev))
+
+void SignalProxy::setMaxHeartBeatCount(int max)
+{
+ if (_maxHeartBeatCount != max) {
+ _maxHeartBeatCount = max;
+ emit maxHeartBeatCountChanged(max);
+ }
+}
+
+
+bool SignalProxy::addPeer(Peer *peer)
+{
+ if (!peer)
+ return false;
+
+ if (_peerMap.values().contains(peer))
+ return true;
+
+ if (!peer->isOpen()) {
+ qWarning("SignalProxy: peer needs to be open!");
+ return false;
+ }
+
+ if (proxyMode() == Client) {
+ if (!_peerMap.isEmpty()) {
+ qWarning("SignalProxy: only one peer allowed in client mode!");
+ return false;
+ }
+ connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
+ }
+
+ connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
+ connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
+
+ if (!peer->parent())
+ peer->setParent(this);
+
+ if (peer->id() < 0) {
+ peer->setId(nextPeerId());
+ peer->setConnectedSince(QDateTime::currentDateTimeUtc());
+ }
+
+ _peerMap[peer->id()] = peer;
+
+ peer->setSignalProxy(this);
+
+ if (peerCount() == 1)
+ emit connected();
+
+ updateSecureState();
return true;
+}
+
+
+void SignalProxy::removeAllPeers()
+{
+ Q_ASSERT(proxyMode() == Server || peerCount() <= 1);
+ // wee need to copy that list since we modify it in the loop
+ QList<Peer *> peers = _peerMap.values();
+ for (auto peer : peers) {
+ removePeer(peer);
+ }
+}
+
+
+void SignalProxy::removePeer(Peer *peer)
+{
+ if (!peer) {
+ qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
+ return;
+ }
+
+ if (_peerMap.isEmpty()) {
+ qWarning() << "SignalProxy::removePeer(): No peers in use!";
+ return;
+ }
+
+ if (!_peerMap.values().contains(peer)) {
+ qWarning() << "SignalProxy: unknown Peer" << peer;
+ return;
+ }
+
+ disconnect(peer, nullptr, this, nullptr);
+ peer->setSignalProxy(nullptr);
+
+ _peerMap.remove(peer->id());
+ emit peerRemoved(peer);
+
+ if (peer->parent() == this)
+ peer->deleteLater();
+
+ updateSecureState();
+
+ if (_peerMap.isEmpty())
+ emit disconnected();
+}
+
+
+void SignalProxy::removePeerBySender()
+{
+ removePeer(qobject_cast<Peer *>(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);
- if(maxPeersReached()) {
- qWarning("SignalProxy: max peercount reached");
- return false;
- }
-
- if(!iodev->isOpen())
- qWarning("SignalProxy::the device you passed is not open!");
-
- connect(iodev, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
- connect(iodev, SIGNAL(readyRead()), this, SLOT(dataAvailable()));
-
- QAbstractSocket* sock = qobject_cast<QAbstractSocket*>(iodev);
- if(sock) {
- connect(sock, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
- }
-
- _peerByteCount[iodev] = 0;
-
- if(_peerByteCount.count() == 1)
- emit connected();
-
- return true;
-}
-
-void SignalProxy::removePeerBySender() {
- // OK we're brutal here... but since it's a private slot we know what we've got connected to it...
- QIODevice *ioDev = (QIODevice *)(sender());
- removePeer(ioDev);
-}
-
-void SignalProxy::removePeer(QIODevice* iodev) {
- if(_peerByteCount.isEmpty()) {
- qWarning() << "No Peers in use!";
- return;
- }
-
- if(_rpcType == Server && !iodev) {
- // disconnect all
- QList<QIODevice *> peers = _peerByteCount.keys();
- foreach(QIODevice *peer, peers)
- removePeer(peer);
- }
-
- if(_rpcType != Server && !iodev)
- iodev = _peerByteCount.keys().first();
-
- Q_ASSERT(iodev);
-
- if(!_peerByteCount.contains(iodev)) {
- qWarning() << "SignalProxy: unknown QIODevice" << iodev;
- return;
- }
-
- // take a last gasp
- while(true) {
- QVariant var;
- if(readDataFromDevice(iodev, _peerByteCount[iodev], var))
- receivePeerSignal(var);
+ dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
+}
+
+
+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 auto *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
- break;
- }
- _peerByteCount.remove(iodev);
+ return nullptr;
+}
+
+
+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);
+}
- disconnect(iodev, 0, this, 0);
- emit peerRemoved(iodev);
- if(_peerByteCount.isEmpty())
- emit disconnected();
+void SignalProxy::detachObject(QObject *obj)
+{
+ // Don't try to connect SignalProxy from itself on shutdown
+ if (obj != this) {
+ detachSignals(obj);
+ detachSlots(obj);
+ }
}
-void SignalProxy::setArgTypes(QObject* obj, int methodId) {
- QList<QByteArray> p = obj->metaObject()->method(methodId).parameterTypes();
- QList<int> argTypes;
- int ct = p.count();
- for(int i=0; i<ct; i++)
- argTypes.append(QMetaType::type(p.value(i)));
- const QByteArray &className(obj->metaObject()->className());
- Q_ASSERT(_classInfo.contains(className));
- Q_ASSERT(!_classInfo[className]->argTypes.contains(methodId));
- _classInfo[className]->argTypes[methodId] = argTypes;
+void SignalProxy::detachSignals(QObject *sender)
+{
+ _signalRelay->detachSignal(sender);
}
-const QList<int> &SignalProxy::argTypes(QObject *obj, int methodId) {
- const QByteArray &className(obj->metaObject()->className());
- Q_ASSERT(_classInfo.contains(className));
- if(!_classInfo[className]->argTypes.contains(methodId))
- setArgTypes(obj, methodId);
- return _classInfo[className]->argTypes[methodId];
+
+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::setMethodName(QObject *obj, int methodId) {
- const QByteArray &className(obj->metaObject()->className());
- QByteArray method = obj->metaObject()->method(methodId).signature();
- method = method.left(method.indexOf('('));
- Q_ASSERT(_classInfo.contains(className));
- Q_ASSERT(!_classInfo[className]->methodNames.contains(methodId));
- _classInfo[className]->methodNames[methodId] = method;
+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);
}
-const QByteArray &SignalProxy::methodName(QObject *obj, int methodId) {
- QByteArray className(obj->metaObject()->className());
- Q_ASSERT(_classInfo.contains(className));
- if(!_classInfo[className]->methodNames.contains(methodId))
- setMethodName(obj, methodId);
- return _classInfo[className]->methodNames[methodId];
+
+template<class T>
+void SignalProxy::dispatch(const T &protoMessage)
+{
+ for (auto&& peer : _peerMap.values()) {
+ dispatch(peer, protoMessage);
+ }
}
-void SignalProxy::createClassInfo(QObject *obj) {
- QByteArray className(obj->metaObject()->className());
- if(!_classInfo.contains(className))
- _classInfo[className] = new ClassInfo();
+template<class T>
+void SignalProxy::dispatch(Peer *peer, const T &protoMessage)
+{
+ _targetPeer = peer;
+
+ if (peer && peer->isOpen())
+ peer->dispatch(protoMessage);
+ else
+ QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
+
+ _targetPeer = nullptr;
}
-bool SignalProxy::attachSignal(QObject* sender, const char* signal, const QByteArray& rpcFunction) {
- 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;
- }
- createClassInfo(sender);
+void SignalProxy::handle(Peer *peer, const SyncMessage &syncMessage)
+{
+ if (!_syncSlave.contains(syncMessage.className) || !_syncSlave[syncMessage.className].contains(syncMessage.objectName)) {
+ qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
+ << syncMessage.params;
+ return;
+ }
+
+ SyncableObject *receiver = _syncSlave[syncMessage.className][syncMessage.objectName];
+ ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
+ if (!eMeta->slotMap().contains(syncMessage.slotName)) {
+ qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
+ << syncMessage.params;
+ return;
+ }
+
+ int slotId = eMeta->slotMap()[syncMessage.slotName];
+ if (proxyMode() != eMeta->receiverMode(slotId)) {
+ qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
+ return;
+ }
- ClassIntrospector* spec;
- if(_specHash.contains(sender))
- spec = _specHash[sender];
- else
- spec = _specHash[sender] = new ClassIntrospector(this, sender);
+ // We can no longer construct a QVariant from QMetaType::Void
+ QVariant returnValue;
+ int returnType = eMeta->returnType(slotId);
+ if (returnType != QMetaType::Void)
+ returnValue = QVariant(static_cast<QVariant::Type>(returnType));
+
+ if (!invokeSlot(receiver, slotId, syncMessage.params, returnValue, peer)) {
+ qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
+ return;
+ }
- spec->attachSignal(methodId, rpcFunction);
+ if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
+ int receiverId = eMeta->receiveMap()[slotId];
+ QVariantList returnParams;
+ if (eMeta->argTypes(receiverId).count() > 1)
+ returnParams << syncMessage.params;
+ returnParams << returnValue;
+ _targetPeer = peer;
+ peer->dispatch(SyncMessage(syncMessage.className, syncMessage.objectName, eMeta->methodName(receiverId), returnParams));
+ _targetPeer = nullptr;
+ }
- return true;
+ // send emit update signal
+ invokeSlot(receiver, eMeta->updatedRemotelyId());
}
-bool SignalProxy::attachSlot(const QByteArray& rpcFunction, 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;
- }
+void SignalProxy::handle(Peer *peer, const InitRequest &initRequest)
+{
+ if (!_syncSlave.contains(initRequest.className)) {
+ qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
+ << initRequest.className;
+ return;
+ }
- createClassInfo(recv);
-
- QByteArray funcName = QMetaObject::normalizedSignature(rpcFunction.constData());
- _attachedSlots.insert(funcName, qMakePair(recv, methodId));
+ if (!_syncSlave[initRequest.className].contains(initRequest.objectName)) {
+ qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
+ << initRequest.className << initRequest.objectName;
+ return;
+ }
- QObject::disconnect(recv, SIGNAL(destroyed()), this, SLOT(detachSender()));
- QObject::connect(recv, SIGNAL(destroyed()), this, SLOT(detachSender()));
- return true;
+ SyncableObject *obj = _syncSlave[initRequest.className][initRequest.objectName];
+ _targetPeer = peer;
+ peer->dispatch(InitData(initRequest.className, initRequest.objectName, initData(obj)));
+ _targetPeer = nullptr;
}
-void SignalProxy::detachSender() {
- // this is a slot so we can bypass the QueuedConnection
- _detachSignals(sender());
- _detachSlots(sender());
+void SignalProxy::handle(Peer *peer, const InitData &initData)
+{
+ Q_UNUSED(peer)
+
+ if (!_syncSlave.contains(initData.className)) {
+ qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
+ << initData.className;
+ return;
+ }
+
+ if (!_syncSlave[initData.className].contains(initData.objectName)) {
+ qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
+ << initData.className << initData.objectName;
+ return;
+ }
+
+ SyncableObject *obj = _syncSlave[initData.className][initData.objectName];
+ setInitData(obj, initData.initData);
}
-// detachObject/Signals/Slots() can be called as a result of an incomming call
-// this might destroy our the iterator used for delivery
-// thus we wrap the actual disconnection by using QueuedConnections
-void SignalProxy::detachObject(QObject* obj) {
- detachSignals(obj);
- detachSlots(obj);
+
+void SignalProxy::handle(Peer *peer, const RpcCall &rpcCall)
+{
+ QObject *receiver;
+ int methodId;
+ SlotHash::const_iterator slot = _attachedSlots.constFind(rpcCall.slotName);
+ while (slot != _attachedSlots.constEnd() && slot.key() == rpcCall.slotName) {
+ receiver = (*slot).first;
+ methodId = (*slot).second;
+ if (!invokeSlot(receiver, methodId, rpcCall.params, peer)) {
+ ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
+ qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
+ }
+ ++slot;
+ }
}
-void SignalProxy::detachSignals(QObject* sender) {
- QMetaObject::invokeMethod(this, "_detachSignals",
- Qt::QueuedConnection,
- Q_ARG(QObject*, sender));
+
+bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue, Peer *peer)
+{
+ ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
+ const QList<int> args = eMeta->argTypes(methodId);
+ const int numArgs = params.count() < args.count()
+ ? params.count()
+ : args.count();
+
+ if (eMeta->minArgCount(methodId) > params.count()) {
+ qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << eMeta->methodName(methodId);
+ return false;
+ }
+
+ void *_a[] = { nullptr, // return type...
+ nullptr, nullptr, nullptr, nullptr, nullptr, // and 10 args - that's the max size qt can handle with signals and slots
+ nullptr, nullptr, nullptr, nullptr, nullptr };
+
+ // check for argument compatibility and build params array
+ for (int i = 0; i < numArgs; i++) {
+ if (!params[i].isValid()) {
+ qWarning() << "SignalProxy::invokeSlot(): received invalid data for argument number" << i << "of method" << QString("%1::%2()").arg(receiver->metaObject()->className()).arg(receiver->metaObject()->method(methodId).methodSignature().constData());
+ qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
+ return false;
+ }
+ if (args[i] != QMetaType::type(params[i].typeName())) {
+ qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
+ return false;
+ }
+
+ _a[i+1] = const_cast<void *>(params[i].constData());
+ }
+
+ if (returnValue.type() != QVariant::Invalid)
+ _a[0] = const_cast<void *>(returnValue.constData());
+
+ Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
+ ? Qt::DirectConnection
+ : Qt::QueuedConnection;
+
+ if (type == Qt::DirectConnection) {
+ _sourcePeer = peer;
+ auto result = receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
+ _sourcePeer = nullptr;
+ return result;
+ } else {
+ qWarning() << "Queued Connections are not implemented yet";
+ // note to self: qmetaobject.cpp:990 ff
+ return false;
+ }
}
-void SignalProxy::_detachSignals(QObject* sender) {
- if(!_specHash.contains(sender))
- return;
- _specHash.take(sender)->deleteLater();
+
+bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, Peer *peer)
+{
+ QVariant ret;
+ return invokeSlot(receiver, methodId, params, ret, peer);
+}
+
+
+void SignalProxy::requestInit(SyncableObject *obj)
+{
+ if (proxyMode() == Server || obj->isInitialized())
+ return;
+
+ dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
}
-void SignalProxy::detachSlots(QObject* receiver) {
- QMetaObject::invokeMethod(this, "_detachSlots",
- Qt::QueuedConnection,
- Q_ARG(QObject*, receiver));
+
+QVariantMap SignalProxy::initData(SyncableObject *obj) const
+{
+ return obj->toVariantMap();
}
-void SignalProxy::_detachSlots(QObject* receiver) {
- SlotHash::iterator slotIter = _attachedSlots.begin();
- while(slotIter != _attachedSlots.end()) {
- if(slotIter.value().first == receiver) {
- slotIter = _attachedSlots.erase(slotIter);
+
+void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties)
+{
+ if (obj->isInitialized())
+ return;
+ obj->fromVariantMap(properties);
+ obj->setInitialized();
+ emit objectInitialized(obj);
+ invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
+}
+
+
+void SignalProxy::customEvent(QEvent *event)
+{
+ switch ((int)event->type()) {
+ case RemovePeerEvent: {
+ auto *e = static_cast< ::RemovePeerEvent *>(event);
+ removePeer(e->peer);
+ event->accept();
+ break;
+ }
+
+ default:
+ qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
+ return;
+ }
+}
+
+
+void SignalProxy::sync_call__(const SyncableObject *obj, SignalProxy::ProxyMode modeType, const char *funcname, va_list ap)
+{
+ // qDebug() << obj << modeType << "(" << _proxyMode << ")" << funcname;
+ if (modeType != _proxyMode)
+ return;
+
+ ExtendedMetaObject *eMeta = extendedMetaObject(obj);
+
+ QVariantList params;
+
+ const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
+
+ for (int i = 0; i < argTypes.size(); i++) {
+ if (argTypes[i] == 0) {
+ qWarning() << Q_FUNC_INFO << "received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(eMeta->metaObject()->className()).arg(funcname);
+ qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
+ return;
+ }
+ params << QVariant(argTypes[i], va_arg(ap, void *));
+ }
+
+ if (_restrictMessageTarget) {
+ for (auto peer : _restrictedTargets) {
+ if (peer != nullptr)
+ dispatch(peer, SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
+ }
} else
- slotIter++;
- }
-}
-
-
-void SignalProxy::call(const char* signal , QVariant p1, QVariant p2, QVariant p3, QVariant p4, QVariant p5, QVariant p6, QVariant p7, QVariant p8, QVariant p9) {
- QByteArray sig=QMetaObject::normalizedSignature(signal);
- QVariantList params;
- params << p1 << p2 << p3 << p4 << p5
- << p6 << p7 << p8 << p9;
- call(sig, params);
-}
-
-void SignalProxy::call(const QByteArray &funcName, const QVariantList ¶ms) {
- QVariantList packedFunc;
- packedFunc << funcName;
- packedFunc << params;
- foreach(QIODevice* dev, _peerByteCount.keys())
- writeDataToDevice(dev, QVariant(packedFunc));
-}
-
-void SignalProxy::receivePeerSignal(const QVariant &packedFunc) {
- QVariantList params(packedFunc.toList());
- QByteArray funcName = params.takeFirst().toByteArray();
- int numParams, methodId;
- QObject* receiver;
-
- SlotHash::const_iterator slot = _attachedSlots.constFind(funcName);
- while(slot != _attachedSlots.constEnd() && slot.key() == funcName) {
- receiver = (*slot).first;
- methodId = (*slot).second;
- numParams = argTypes(receiver, methodId).count();
- QGenericArgument args[9];
- for(int i = 0; i < numParams; i++)
- args[i] = QGenericArgument(params[i].typeName(), params[i].constData());
- if(!QMetaObject::invokeMethod(receiver, methodName(receiver, methodId),
- args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7], args[8])) {
- qWarning("SignalProxy::receivePeerSignal: invokeMethod for \"%s\" failed ", methodName(receiver, methodId).constData());
- }
- slot++;
- }
-}
-
-void SignalProxy::dataAvailable() {
- QIODevice* ioDev = qobject_cast<QIODevice* >(sender());
- Q_ASSERT(ioDev);
- if(!_peerByteCount.contains(ioDev)) {
- qWarning() << "SignalProxy: Unrecognized client object connected to dataAvailable";
- return;
- } else {
- QVariant var;
- while(readDataFromDevice(ioDev, _peerByteCount[ioDev], var))
- receivePeerSignal(var);
- }
-}
-
-void SignalProxy::writeDataToDevice(QIODevice *dev, const QVariant &item) {
- QAbstractSocket* sock = qobject_cast<QAbstractSocket*>(dev);
- if(!dev->isOpen() || (sock && sock->state()!=QAbstractSocket::ConnectedState)) {
- qWarning("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;
+ dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
+}
+
+
+void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
+{
+ if (!reason.isEmpty())
+ qWarning() << qPrintable(reason);
+ auto *sock = qobject_cast<QAbstractSocket *>(dev);
+ if (sock)
+ qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
+ dev->close();
+}
+
+
+void SignalProxy::dumpProxyStats()
+{
+ QString mode;
+ if (proxyMode() == Server)
+ mode = "Server";
+ else
+ mode = "Client";
+
+ int slaveCount = 0;
+ foreach(ObjectId oid, _syncSlave.values())
+ slaveCount += oid.count();
+
+ qDebug() << this;
+ qDebug() << " Proxy Mode:" << mode;
+ qDebug() << " attached Slots:" << _attachedSlots.count();
+ qDebug() << " number of synced Slaves:" << slaveCount;
+ qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
+}
+
+
+void SignalProxy::updateSecureState()
+{
+ bool wasSecure = _secure;
+
+ _secure = !_peerMap.isEmpty();
+ for (auto peer : _peerMap.values()) {
+ _secure &= peer->isSecure();
+ }
+
+ if (wasSecure != _secure)
+ emit secureStateChanged(_secure);
+}
+
+QVariantList SignalProxy::peerData() {
+ QVariantList result;
+ for (auto &&peer : _peerMap.values()) {
+ QVariantMap data;
+ data["id"] = peer->id();
+ data["clientVersion"] = peer->clientVersion();
+ // We explicitly rename this, as, due to the Debian reproducability changes, buildDate isn’t actually the build
+ // date anymore, but on newer clients the date of the last git commit
+ data["clientVersionDate"] = peer->buildDate();
+ data["remoteAddress"] = peer->address();
+ data["connectedSince"] = peer->connectedSince();
+ data["secure"] = peer->isSecure();
+ data["features"] = static_cast<quint32>(peer->features().toLegacyFeatures());
+ data["featureList"] = peer->features().toStringList();
+ result << data;
+ }
+ return result;
}
+Peer *SignalProxy::peerById(int peerId) {
+ // We use ::value() here instead of the [] operator because the latter has the side-effect
+ // of automatically inserting a null value with the passed key into the map. See
+ // https://doc.qt.io/qt-5/qhash.html#operator-5b-5d and https://doc.qt.io/qt-5/qhash.html#value.
+ return _peerMap.value(peerId);
+}
+
+void SignalProxy::restrictTargetPeers(QSet<Peer*> peers, std::function<void()> closure)
+{
+ auto previousRestrictMessageTarget = _restrictMessageTarget;
+ auto previousRestrictedTargets = _restrictedTargets;
+ _restrictMessageTarget = true;
+ _restrictedTargets = peers;
+
+ closure();
+
+ _restrictMessageTarget = previousRestrictMessageTarget;
+ _restrictedTargets = previousRestrictedTargets;
+}
+
+Peer *SignalProxy::sourcePeer() {
+ return _sourcePeer;
+}
+
+void SignalProxy::setSourcePeer(Peer *sourcePeer) {
+ _sourcePeer = sourcePeer;
+}
+Peer *SignalProxy::targetPeer() {
+ return _targetPeer;
+}
+
+void SignalProxy::setTargetPeer(Peer *targetPeer) {
+ _targetPeer = targetPeer;
+}
+
+// ==================================================
+// ExtendedMetaObject
+// ==================================================
+SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
+ : _meta(meta),
+ _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
+{
+ for (int i = 0; i < _meta->methodCount(); i++) {
+ if (_meta->method(i).methodType() != QMetaMethod::Slot)
+ continue;
+
+ if (_meta->method(i).methodSignature().contains('*'))
+ continue; // skip methods with ptr params
+
+ QByteArray method = methodName(_meta->method(i));
+ if (method.startsWith("init"))
+ continue; // skip initializers
+
+ if (_methodIds.contains(method)) {
+ /* funny... moc creates for methods containing default parameters multiple metaMethod with separate methodIds.
+ we don't care... we just need the full fledged version
+ */
+ const QMetaMethod ¤t = _meta->method(_methodIds[method]);
+ const QMetaMethod &candidate = _meta->method(i);
+ if (current.parameterTypes().count() > candidate.parameterTypes().count()) {
+ int minCount = candidate.parameterTypes().count();
+ QList<QByteArray> commonParams = current.parameterTypes().mid(0, minCount);
+ if (commonParams == candidate.parameterTypes())
+ continue; // we already got the full featured version
+ }
+ else {
+ int minCount = current.parameterTypes().count();
+ QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
+ if (commonParams == current.parameterTypes()) {
+ _methodIds[method] = i; // use the new one
+ continue;
+ }
+ }
+ if (checkConflicts) {
+ qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
+ qWarning() << " - " << _meta->method(i).methodSignature() << "conflicts with" << _meta->method(_methodIds[method]).methodSignature();
+ }
+ continue;
+ }
+ _methodIds[method] = i;
+ }
+}
+
+
+const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
+{
+ if (!_methods.contains(methodId)) {
+ _methods[methodId] = MethodDescriptor(_meta->method(methodId));
+ }
+ return _methods[methodId];
+}
+
+
+const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap()
+{
+ if (_receiveMap.isEmpty()) {
+ QHash<int, int> receiveMap;
+
+ QMetaMethod requestSlot;
+ QByteArray returnTypeName;
+ QByteArray signature;
+ QByteArray methodName;
+ QByteArray params;
+ int paramsPos;
+ int receiverId;
+ const int methodCount = _meta->methodCount();
+ for (int i = 0; i < methodCount; i++) {
+ requestSlot = _meta->method(i);
+ if (requestSlot.methodType() != QMetaMethod::Slot)
+ continue;
+
+ returnTypeName = requestSlot.typeName();
+ if (QMetaType::Void == (QMetaType::Type)returnType(i))
+ continue;
+
+ signature = requestSlot.methodSignature();
+ if (!signature.startsWith("request"))
+ continue;
+
+ paramsPos = signature.indexOf('(');
+ if (paramsPos == -1)
+ continue;
+
+ methodName = signature.left(paramsPos);
+ params = signature.mid(paramsPos);
+
+ methodName = methodName.replace("request", "receive");
+ params = params.left(params.count() - 1) + ", " + returnTypeName + ")";
+
+ signature = QMetaObject::normalizedSignature(methodName + params);
+ receiverId = _meta->indexOfSlot(signature);
+
+ if (receiverId == -1) {
+ signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
+ receiverId = _meta->indexOfSlot(signature);
+ }
+
+ if (receiverId != -1) {
+ receiveMap[i] = receiverId;
+ }
+ }
+ _receiveMap = receiveMap;
+ }
+ return _receiveMap;
+}
+
+
+QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
+{
+ QByteArray sig(method.methodSignature());
+ return sig.left(sig.indexOf("("));
+}
+
+
+QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
+{
+ QString methodname = QString(method.methodSignature()).section("(", 0, 0);
+
+ // determine where we have to chop:
+ int upperCharPos;
+ if (method.methodType() == QMetaMethod::Slot) {
+ // we take evertyhing from the first uppercase char if it's slot
+ upperCharPos = methodname.indexOf(QRegExp("[A-Z]"));
+ if (upperCharPos == -1)
+ return QString();
+ methodname = methodname.mid(upperCharPos);
+ }
+ else {
+ // and if it's a signal we discard everything from the last uppercase char
+ upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
+ if (upperCharPos == -1)
+ return QString();
+ methodname = methodname.left(upperCharPos);
+ }
+
+ methodname[0] = methodname[0].toUpper();
+
+ return methodname;
+}
+
+
+SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
+ : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
+ _returnType(QMetaType::type(method.typeName()))
+{
+ // determine argTypes
+ QList<QByteArray> paramTypes = method.parameterTypes();
+ QList<int> argTypes;
+ for (int i = 0; i < paramTypes.count(); i++) {
+ argTypes.append(QMetaType::type(paramTypes[i]));
+ }
+ _argTypes = argTypes;
+
+ // determine minArgCount
+ QString signature(method.methodSignature());
+ _minArgCount = method.parameterTypes().count() - signature.count("=");
+
+ _receiverMode = (_methodName.startsWith("request"))
+ ? SignalProxy::Server
+ : SignalProxy::Client;
+}
projects / quassel.git / blobdiff