/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-2018 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* 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., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
-#include "signalproxy.h"
+#include <utility>
-#include <QObject>
-#include <QIODevice>
-#include <QAbstractSocket>
+#include <QCoreApplication>
#include <QHostAddress>
-#include <QHash>
-#include <QMultiHash>
-#include <QList>
-#include <QSet>
-#include <QDebug>
#include <QMetaMethod>
#include <QMetaProperty>
-#include <QRegExp>
+#include <QThread>
+
#ifdef HAVE_SSL
-#include <QSslSocket>
+ #include <QSslSocket>
#endif
-#include <QThread>
-#include <QTime>
-#include <QEvent>
-#include <QCoreApplication>
+#include "signalproxy.h"
+
+#include "peer.h"
+#include "protocol.h"
#include "syncableobject.h"
#include "util.h"
+#include "types.h"
-// ==================================================
-// PeerSignalEvent
-// ==================================================
-class PeerSignalEvent : public QEvent {
-public:
- PeerSignalEvent(SignalProxy *sender, SignalProxy::RequestType requestType, const QVariantList ¶ms) : QEvent(QEvent::Type(SignalProxy::PeerSignal)), sender(sender), requestType(requestType), params(params) {}
- SignalProxy *sender;
- SignalProxy::RequestType requestType;
- QVariantList params;
-};
+using namespace Protocol;
-class RemovePeerEvent : public QEvent {
+class RemovePeerEvent : public QEvent
+{
public:
- RemovePeerEvent(QObject *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeer)), peer(peer) {}
- QObject *peer;
+ RemovePeerEvent(Peer *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeerEvent)), peer(peer) {}
+ Peer *peer;
};
+
// ==================================================
-// Relays
+// SignalRelay
// ==================================================
-class SignalProxy::Relay : public QObject {
+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:
- Relay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
+ SignalRelay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
+ inline SignalProxy *proxy() const { return _proxy; }
- inline SignalProxy *proxy() const { return _proxy; }
+ int qt_metacall(QMetaObject::Call _c, int _id, void **_a) override;
-private:
- SignalProxy *_proxy;
-};
-
-class SignalProxy::SyncRelay : public SignalProxy::Relay {
-public:
- SyncRelay(SignalProxy::ExtendedMetaObject *eMeta, SignalProxy *parent);
-
- int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
-
- void synchronize(SyncableObject *object);
-
- int signalCount() const { return _signalCount; }
+ void attachSignal(QObject *sender, int signalId, const QByteArray &funcName);
+ void detachSignal(QObject *sender, int signalId = -1);
private:
- ExtendedMetaObject *_eMeta;
- QSet<int> _signalIds;
- int _signalCount;
+ struct Signal {
+ QObject *sender;
+ int signalId;
+ QByteArray signature;
+ Signal(QObject *sender, int sigId, QByteArray signature) : sender(sender), signalId(sigId), signature(std::move(signature)) {}
+ Signal() : sender(nullptr), signalId(-1) {}
+ };
+
+ SignalProxy *_proxy;
+ QHash<int, Signal> _slots;
};
-class SignalProxy::SignalRelay : public SignalProxy::Relay {
-public:
- SignalRelay(SignalProxy *parent) : Relay(parent) {}
-
- int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
- void attachSignal(QObject *sender, int signalId, const QByteArray &funcName);
- void detachSignal(QObject *sender, int signalId = -1);
-
-private:
- struct Signal {
- QObject *sender;
- int signalId;
- QByteArray signature;
- Signal(QObject *sender, int sigId, const QByteArray &signature) : sender(sender), signalId(sigId), signature(signature) {}
- Signal() : sender(0), signalId(-1) {}
- };
-
- QHash<int, Signal> _slots;
-};
-
-SignalProxy::SyncRelay::SyncRelay(SignalProxy::ExtendedMetaObject *eMeta, SignalProxy *parent)
- : Relay(parent),
- _eMeta(eMeta)
+void SignalProxy::SignalRelay::attachSignal(QObject *sender, int signalId, const QByteArray &funcName)
{
- QByteArray signature;
- for(int i = 0; i < eMeta->metaObject()->methodCount(); i++ ) {
- signature = eMeta->metaObject()->method(i).signature();
- if(!eMeta->syncMap().contains(signature))
- continue;
-
- if((proxy()->proxyMode() == SignalProxy::Server && !signature.contains("Requested")) ||
- (proxy()->proxyMode() == SignalProxy::Client && signature.contains("Requested"))) {
- _signalIds << i;
+ // 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;
+ }
}
- }
- _signalCount = _signalIds.count();
-}
-void SignalProxy::SyncRelay::synchronize(SyncableObject *object) {
- if(object->syncMetaObject() != _eMeta->metaObject()) {
- qWarning() << Q_FUNC_INFO << "can't use SyncRelay of class" << _eMeta->metaObject()->className()
- << "for SyncableObject" << object << "with syncMetaObject of class" << object->syncMetaObject()->className();
- return;
- }
-
- QSet<int>::const_iterator sigIter = _signalIds.constBegin();
- while(sigIter != _signalIds.constEnd()) {
- QMetaObject::connect(object, *sigIter, this, QObject::staticMetaObject.methodCount() + *sigIter);
- sigIter++;
- }
-}
+ QByteArray fn;
+ if (!funcName.isEmpty()) {
+ fn = QMetaObject::normalizedSignature(funcName);
+ }
+ else {
+ fn = SIGNAL(fakeMethodSignature());
+ fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).methodSignature());
+ }
-int SignalProxy::SyncRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a) {
- _id = QObject::qt_metacall(_c, _id, _a);
- if(_id < 0)
- return _id;
+ _slots[slotId] = Signal(sender, signalId, fn);
- if(_c == QMetaObject::InvokeMetaMethod) {
- if(!_signalIds.contains(_id)) {
- qWarning() << Q_FUNC_INFO << "_id" << _id << "is not a valid SyncMethod!";
- return _id;
- }
+ QMetaObject::connect(sender, signalId, this, QObject::staticMetaObject.methodCount() + slotId);
+}
- QVariantList params;
- params << _eMeta->metaObject()->className()
- << sender()->objectName()
- << _eMeta->metaObject()->method(_id).signature();
-
- const QList<int> &argTypes = _eMeta->argTypes(_id);
- 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(_eMeta->metaObject()->method(_id).signature());
- qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
- return _id;
- }
- params << QVariant(argTypes[i], _a[i+1]);
+void SignalProxy::SignalRelay::detachSignal(QObject *sender, int signalId)
+{
+ 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;
+ }
}
-
- proxy()->dispatchSignal(SignalProxy::Sync, params);
- }
- _id -= _signalCount;
- return _id;
}
-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;
+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;
+}
- QByteArray fn;
- if(!funcName.isEmpty()) {
- fn = QMetaObject::normalizedSignature(funcName);
- } else {
- fn = SIGNAL();
- fn += sender->metaObject()->method(signalId).signature();
- }
- _slots[slotId] = Signal(sender, signalId, fn);
+// ==================================================
+// SignalProxy
+// ==================================================
- QMetaObject::connect(sender, signalId, this, QObject::staticMetaObject.methodCount() + slotId);
+namespace {
+thread_local SignalProxy *_current{nullptr};
}
-void SignalProxy::SignalRelay::detachSignal(QObject *sender, int signalId) {
- 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++;
- }
- }
+SignalProxy::SignalProxy(QObject *parent)
+ : QObject(parent)
+{
+ setProxyMode(Client);
+ init();
}
-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;
- params << signal.signature;
+SignalProxy::SignalProxy(ProxyMode mode, QObject *parent)
+ : QObject(parent)
+{
+ setProxyMode(mode);
+ init();
+}
- 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(_id).signature());
- qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
- return _id;
- }
- params << QVariant(argTypes[i], _a[i+1]);
- }
- proxy()->dispatchSignal(SignalProxy::RpcCall, params);
+SignalProxy::~SignalProxy()
+{
+ 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;
}
- _id -= _slots.count();
- }
- return _id;
-}
+ _syncSlave.clear();
-// ==================================================
-// Peers
-// ==================================================
-void SignalProxy::IODevicePeer::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) {
- QVariantList packedFunc;
- packedFunc << (qint16)requestType
- << params;
- dispatchPackedFunc(QVariant(packedFunc));
-}
+ removeAllPeers();
-bool SignalProxy::IODevicePeer::isSecure() const {
-#ifdef HAVE_SSL
- QSslSocket *sslSocket = qobject_cast<QSslSocket *>(_device);
- if(sslSocket)
- return sslSocket->isEncrypted() || sslSocket->localAddress() == QHostAddress::LocalHost || sslSocket->localAddress() == QHostAddress::LocalHostIPv6;
-#endif
+ _current = nullptr;
+}
- QAbstractSocket *socket = qobject_cast<QAbstractSocket *>(_device);
- if(socket)
- return socket->localAddress() == QHostAddress::LocalHost || socket->localAddress() == QHostAddress::LocalHostIPv6;
- return false;
+SignalProxy *SignalProxy::current()
+{
+ return _current;
}
-QString SignalProxy::IODevicePeer::address() const {
- QAbstractSocket *socket = qobject_cast<QAbstractSocket *>(_device);
- if(socket)
- return socket->peerAddress().toString();
- else
- return QString();
-}
-void SignalProxy::SignalProxyPeer::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) {
- Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
- ? Qt::DirectConnection
- : Qt::QueuedConnection;
+void SignalProxy::setProxyMode(ProxyMode mode)
+{
+ if (!_peerMap.empty()) {
+ qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
+ return;
+ }
- if(type == Qt::DirectConnection) {
- receiver->receivePeerSignal(sender, requestType, params);
- } else {
- QCoreApplication::postEvent(receiver, new PeerSignalEvent(sender, requestType, params));
- }
+ _proxyMode = mode;
+ if (mode == Server)
+ initServer();
+ else
+ initClient();
}
-// ==================================================
-// SignalProxy
-// ==================================================
-SignalProxy::SignalProxy(QObject* parent)
- : QObject(parent)
+void SignalProxy::init()
{
- setProxyMode(Client);
- init();
+ _heartBeatInterval = 0;
+ _maxHeartBeatCount = 0;
+ _signalRelay = new SignalRelay(this);
+ setHeartBeatInterval(30);
+ setMaxHeartBeatCount(2);
+ _secure = false;
+ _current = this;
+ updateSecureState();
}
-SignalProxy::SignalProxy(ProxyMode mode, QObject* parent)
- : QObject(parent)
+
+void SignalProxy::initServer()
{
- setProxyMode(mode);
- init();
}
-SignalProxy::SignalProxy(ProxyMode mode, QIODevice* device, QObject* parent)
- : QObject(parent)
+
+void SignalProxy::initClient()
{
- setProxyMode(mode);
- addPeer(device);
- init();
+ attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
}
-SignalProxy::~SignalProxy() {
- 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;
+void SignalProxy::setHeartBeatInterval(int secs)
+{
+ if (_heartBeatInterval != secs) {
+ _heartBeatInterval = secs;
+ emit heartBeatIntervalChanged(secs);
}
- peer++;
- }
-
- _proxyMode = mode;
- if(mode == Server)
- initServer();
- else
- initClient();
}
-void SignalProxy::init() {
- _signalRelay = new SignalRelay(this);
- connect(&_heartBeatTimer, SIGNAL(timeout()), this, SLOT(sendHeartBeat()));
- _heartBeatTimer.start(30 * 1000);
- _secure = false;
- updateSecureState();
-}
-void SignalProxy::initServer() {
+void SignalProxy::setMaxHeartBeatCount(int max)
+{
+ if (_maxHeartBeatCount != max) {
+ _maxHeartBeatCount = max;
+ emit maxHeartBeatCountChanged(max);
+ }
}
-void SignalProxy::initClient() {
- attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray, QString, QString)));
-}
-bool SignalProxy::addPeer(QIODevice* iodev) {
- if(!iodev)
- return false;
+bool SignalProxy::addPeer(Peer *peer)
+{
+ if (!peer)
+ return false;
- if(_peers.contains(iodev))
- return true;
+ if (_peerMap.values().contains(peer))
+ return true;
- if(proxyMode() == Client && !_peers.isEmpty()) {
- qWarning("SignalProxy: only one peer allowed in client mode!");
- return false;
- }
+ if (!peer->isOpen()) {
+ qWarning("SignalProxy: peer needs to be open!");
+ return false;
+ }
- if(!iodev->isOpen()) {
- qWarning("SignalProxy::addPeer(QIODevice *iodev): iodev 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(iodev, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
- connect(iodev, SIGNAL(readyRead()), this, SLOT(dataAvailable()));
+ connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
+ connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
-#ifdef HAVE_SSL
- QSslSocket *sslSocket = qobject_cast<QSslSocket *>(iodev);
- if(sslSocket) {
- connect(iodev, SIGNAL(encrypted()), this, SLOT(updateSecureState()));
- }
-#endif
+ if (!peer->parent())
+ peer->setParent(this);
- if(!iodev->parent())
- iodev->setParent(this);
+ if (peer->id() < 0) {
+ peer->setId(nextPeerId());
+ peer->setConnectedSince(QDateTime::currentDateTimeUtc());
+ }
+
+ _peerMap[peer->id()] = peer;
- _peers[iodev] = new IODevicePeer(iodev, iodev->property("UseCompression").toBool());
+ peer->setSignalProxy(this);
- if(_peers.count() == 1)
- emit connected();
+ if (peerCount() == 1)
+ emit connected();
- updateSecureState();
- return true;
+ updateSecureState();
+ return true;
}
-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;
- }
+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);
+ }
+}
- if(_peers.contains(proxy)) {
- return true;
- }
- if(proxyMode() == Client && !_peers.isEmpty()) {
- qWarning("SignalProxy: only one peer allowed in client mode!");
- return false;
- }
+void SignalProxy::removePeer(Peer *peer)
+{
+ if (!peer) {
+ qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
+ return;
+ }
- _peers[proxy] = new SignalProxyPeer(this, proxy);
- proxy->addPeer(this);
+ if (_peerMap.isEmpty()) {
+ qWarning() << "SignalProxy::removePeer(): No peers in use!";
+ return;
+ }
- if(_peers.count() == 1)
- emit connected();
+ if (!_peerMap.values().contains(peer)) {
+ qWarning() << "SignalProxy: unknown Peer" << peer;
+ return;
+ }
- updateSecureState();
- return true;
-}
+ disconnect(peer, nullptr, this, nullptr);
+ peer->setSignalProxy(nullptr);
-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);
- }
-}
+ _peerMap.remove(peer->id());
+ emit peerRemoved(peer);
-void SignalProxy::removePeer(QObject* dev) {
- if(_peers.isEmpty()) {
- qWarning() << "SignalProxy::removePeer(): No peers in use!";
- return;
- }
+ if (peer->parent() == this)
+ peer->deleteLater();
- Q_ASSERT(dev);
- if(!_peers.contains(dev)) {
- qWarning() << "SignalProxy: unknown Peer" << dev;
- return;
- }
+ updateSecureState();
- AbstractPeer *peer = _peers[dev];
- _peers.remove(dev);
+ if (_peerMap.isEmpty())
+ emit disconnected();
+}
- 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);
- }
+void SignalProxy::removePeerBySender()
+{
+ removePeer(qobject_cast<Peer *>(sender()));
+}
- if(dev->parent() == this)
- dev->deleteLater();
- delete peer;
+void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname)
+{
+ if (proxyMode() == Client)
+ return;
- updateSecureState();
+ const QMetaObject *meta = obj->syncMetaObject();
+ const QByteArray className(meta->className());
+ objectRenamed(className, newname, oldname);
- if(_peers.isEmpty())
- emit disconnected();
+ dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
}
-void SignalProxy::removePeerBySender() {
- removePeer(sender());
-}
-void SignalProxy::objectRenamed(const QString &newname, const QString &oldname) {
- SyncableObject *syncObject = qobject_cast<SyncableObject *>(sender());
- const QMetaObject *meta = syncObject->syncMetaObject();
- const QByteArray className(meta->className());
- objectRenamed(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);
+ }
+}
- if(proxyMode() == Client)
- return;
- QVariantList params;
- params << "__objectRenamed__" << className << newname << oldname;
- dispatchSignal(RpcCall, params);
+const QMetaObject *SignalProxy::metaObject(const QObject *obj)
+{
+ if (const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(obj))
+ return syncObject->syncMetaObject();
+ else
+ return obj->metaObject();
}
-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 nullptr;
}
-SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const {
- if(_extendedMetaObjects.contains(meta))
+
+SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
+{
+ if (!_extendedMetaObjects.contains(meta)) {
+ _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
+ }
return _extendedMetaObjects[meta];
- else
- return 0;
}
-SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta) {
- if(!_extendedMetaObjects.contains(meta)) {
- _extendedMetaObjects[meta] = new ExtendedMetaObject(meta);
- }
- 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::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);
+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));
+ 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;
+ 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) {
- ExtendedMetaObject *eMeta = createExtendedMetaObject(obj);
- SyncRelay *relay;
- if(!_syncRelays.contains(obj->syncMetaObject())) {
- _syncRelays[obj->syncMetaObject()] = new SyncRelay(eMeta, this);
- }
- relay = _syncRelays[obj->syncMetaObject()];
+void SignalProxy::synchronize(SyncableObject *obj)
+{
+ createExtendedMetaObject(obj, true);
- relay->synchronize(obj);
+ // attaching as slave to receive sync Calls
+ QByteArray className(obj->syncMetaObject()->className());
+ _syncSlave[className][obj->objectName()] = obj;
- // attaching as slave to receive sync Calls
- QByteArray className(obj->syncMetaObject()->className());
- _syncSlave[className][obj->objectName()] = obj;
- disconnect(obj, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
- connect(obj, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
+ if (proxyMode() == Server) {
+ obj->setInitialized();
+ emit objectInitialized(obj);
+ }
+ else {
+ if (obj->isInitialized())
+ emit objectInitialized(obj);
+ else
+ requestInit(obj);
+ }
- if(proxyMode() == Server) {
- connect(obj, SIGNAL(objectRenamed(QString, QString)), this, SLOT(objectRenamed(QString, QString)));
- obj->setInitialized();
- emit objectInitialized(obj);
- } else {
- if(obj->isInitialized())
- emit objectInitialized(obj);
- else
- requestInit(obj);
- }
+ obj->synchronize(this);
}
-void SignalProxy::detachObject(QObject *obj) {
- stopSync(obj);
- detachSignals(obj);
- detachSlots(obj);
+
+void SignalProxy::detachObject(QObject *obj)
+{
+ // Don't try to connect SignalProxy from itself on shutdown
+ if (obj != this) {
+ detachSignals(obj);
+ detachSlots(obj);
+ }
}
-void SignalProxy::detachSignals(QObject *sender) {
- _signalRelay->detachSignal(sender);
+
+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::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) {
- SyncableObject *syncableObject = qobject_cast<SyncableObject *>(obj);
- if(syncableObject && _syncRelays.contains(syncableObject->syncMetaObject())) {
- QObject::disconnect(syncableObject, 0, _syncRelays[syncableObject->syncMetaObject()], 0);
- }
-
- // 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;
+
+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;
}
- 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
+
+template<class T>
+void SignalProxy::dispatch(const T &protoMessage)
+{
+ for (auto&& peer : _peerMap.values()) {
+ dispatch(peer, protoMessage);
}
- peer++;
- }
}
-void SignalProxy::receivePackedFunc(AbstractPeer *sender, const QVariant &packedFunc) {
- QVariantList params(packedFunc.toList());
- if(params.isEmpty()) {
- qWarning() << "SignalProxy::receivePeerSignal(): received incompatible Data:" << packedFunc;
- return;
- }
+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));
- RequestType requestType = (RequestType)params.takeFirst().value<int>();
- receivePeerSignal(sender, requestType, params);
+ _targetPeer = nullptr;
}
-void SignalProxy::receivePeerSignal(AbstractPeer *sender, const RequestType &requestType, const QVariantList ¶ms) {
- 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;
+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;
+ }
- case InitRequest:
- handleInitRequest(sender, params);
- break;
+ 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;
+ }
- case InitData:
- handleInitData(sender, params);
- break;
+ 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;
+ }
- case HeartBeat:
- receiveHeartBeat(sender, params);
- break;
+ // 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));
- case HeartBeatReply:
- receiveHeartBeatReply(sender, params);
- break;
+ if (!invokeSlot(receiver, slotId, syncMessage.params, returnValue, peer)) {
+ qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
+ return;
+ }
- default:
- qWarning() << "SignalProxy::receivePeerSignal(): received undefined CallType" << requestType << params;
- }
-}
+ 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;
+ }
-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);
+ // send emit update signal
+ invokeSlot(receiver, eMeta->updatedRemotelyId());
}
-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 signal = 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(signal)).arg(objectName)
- << params;
- return;
- }
-
- SyncableObject *receiver = _syncSlave[className][objectName];
- ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
- if(!eMeta->syncMap().contains(signal)) {
- qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(QString(className)).arg(QString(signal)).arg(objectName)
- << params;
- return;
- }
-
- int slotId = eMeta->syncMap()[signal];
-
- 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
- << 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;
- }
+void SignalProxy::handle(Peer *peer, const InitRequest &initRequest)
+{
+ if (!_syncSlave.contains(initRequest.className)) {
+ qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
+ << initRequest.className;
+ return;
+ }
- QByteArray className(params[0].toByteArray());
- QString objectName(params[1].toString());
+ if (!_syncSlave[initRequest.className].contains(initRequest.objectName)) {
+ qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
+ << initRequest.className << initRequest.objectName;
+ return;
+ }
- if(!_syncSlave.contains(className)) {
- qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
- << className;
- return;
- }
+ SyncableObject *obj = _syncSlave[initRequest.className][initRequest.objectName];
+ _targetPeer = peer;
+ peer->dispatch(InitData(initRequest.className, initRequest.objectName, initData(obj)));
+ _targetPeer = nullptr;
+}
- if(!_syncSlave[className].contains(objectName)) {
- qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
- << className << objectName;
- return;
- }
- SyncableObject *obj = _syncSlave[className][objectName];
+void SignalProxy::handle(Peer *peer, const InitData &initData)
+{
+ Q_UNUSED(peer)
- QVariantList params_;
- params_ << className
- << objectName
- << initData(obj);
+ if (!_syncSlave.contains(initData.className)) {
+ qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
+ << initData.className;
+ return;
+ }
- sender->dispatchSignal(InitData, params_);
-}
+ if (!_syncSlave[initData.className].contains(initData.objectName)) {
+ qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
+ << initData.className << initData.objectName;
+ return;
+ }
-void SignalProxy::handleInitData(AbstractPeer *sender, const QVariantList ¶ms) {
- Q_UNUSED(sender)
- if(params.count() != 3) {
- qWarning() << "SignalProxy::handleInitData() received initData 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::handleInitData() received initData for unregistered Class:"
- << className;
- return;
- }
-
- if(!_syncSlave[className].contains(objectName)) {
- qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
- << className << objectName;
- return;
- }
-
- SyncableObject *obj = _syncSlave[className][objectName];
- setInitData(obj, propertyMap);
+ SyncableObject *obj = _syncSlave[initData.className][initData.objectName];
+ setInitData(obj, initData.initData);
}
-//void SignalProxy::handleSignal(const QByteArray &funcName, const QVariantList ¶ms) {
-void SignalProxy::handleSignal(const QVariantList &data) {
- QVariantList params = data;
- QByteArray funcName = params.takeFirst().toByteArray();
-
- 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)) {
- ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
- qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
+
+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;
}
- slot++;
- }
}
-bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue) {
- 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[] = {0, // return type...
- 0, 0, 0, 0 , 0, // and 10 args - that's the max size qt can handle with signals and slots
- 0, 0, 0, 0 , 0};
-
- // 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).signature());
- 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;
+
+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;
}
- _a[i+1] = const_cast<void *>(params[i].constData());
- }
- if(returnValue.type() != QVariant::Invalid)
- _a[0] = const_cast<void *>(returnValue.constData());
+ 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());
+ }
- Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
- ? Qt::DirectConnection
- : Qt::QueuedConnection;
+ if (returnValue.type() != QVariant::Invalid)
+ _a[0] = const_cast<void *>(returnValue.constData());
- if(type == Qt::DirectConnection) {
- return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
- } else {
- qWarning() << "Queued Connections are not implemented yet";
- // note to self: qmetaobject.cpp:990 ff
- return false;
- }
+ 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;
+ }
}
-bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms) {
- QVariant ret;
- return invokeSlot(receiver, methodId, params, ret);
-}
-void SignalProxy::dataAvailable() {
- // yet again. it's a private slot. no need for checks.
- QIODevice* ioDev = qobject_cast<QIODevice* >(sender());
- Q_ASSERT(_peers.contains(ioDev) && _peers[ioDev]->type() == AbstractPeer::IODevicePeer);
- IODevicePeer *peer = static_cast<IODevicePeer *>(_peers[ioDev]);
- QVariant var;
- while(peer->readData(var))
- receivePackedFunc(peer, var);
+bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, Peer *peer)
+{
+ QVariant ret;
+ return invokeSlot(receiver, methodId, params, ret, peer);
}
-void SignalProxy::writeDataToDevice(QIODevice *dev, const QVariant &item, bool compressed) {
- QAbstractSocket* sock = qobject_cast<QAbstractSocket*>(dev);
- if(!dev->isOpen() || (sock && sock->state()!=QAbstractSocket::ConnectedState)) {
- qWarning("SignalProxy: Can't call write on a closed device");
- return;
- }
-
- QByteArray block;
- QDataStream out(&block, QIODevice::WriteOnly);
- out.setVersion(QDataStream::Qt_4_2);
- out << (quint32)0;
- if(compressed) {
- QByteArray rawItem;
- QDataStream itemStream(&rawItem, QIODevice::WriteOnly);
+void SignalProxy::requestInit(SyncableObject *obj)
+{
+ if (proxyMode() == Server || obj->isInitialized())
+ return;
- itemStream.setVersion(QDataStream::Qt_4_2);
- itemStream << item;
+ dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
+}
- rawItem = qCompress(rawItem);
- out << rawItem;
- } else {
- out << item;
- }
+QVariantMap SignalProxy::initData(SyncableObject *obj) const
+{
+ return obj->toVariantMap();
+}
- out.device()->seek(0);
- out << (quint32)(block.size() - sizeof(quint32));
- dev->write(block);
+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());
}
-bool SignalProxy::readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item, bool compressed) {
- QDataStream in(dev);
- in.setVersion(QDataStream::Qt_4_2);
-
- if(blockSize == 0) {
- if(dev->bytesAvailable() < (int)sizeof(quint32)) return false;
- in >> blockSize;
- }
-
- if(blockSize > 1 << 22) {
- disconnectDevice(dev, tr("Client tried to send package larger than max package size!"));
- return false;
- }
-
- if(blockSize == 0) {
- disconnectDevice(dev, tr("Client tried to send 0 byte package!"));
- return false;
- }
-
- if(dev->bytesAvailable() < blockSize)
- return false;
-
- blockSize = 0;
-
- if(compressed) {
- QByteArray rawItem;
- in >> rawItem;
-
- int nbytes = rawItem.size();
- if(nbytes <= 4) {
- const char *data = rawItem.constData();
- if(nbytes < 4 || (data[0]!=0 || data[1]!=0 || data[2]!=0 || data[3]!=0)) {
- disconnectDevice(dev, tr("Client sent corrupted compressed data!"));
- return false;
- }
+
+void SignalProxy::customEvent(QEvent *event)
+{
+ switch ((int)event->type()) {
+ case RemovePeerEvent: {
+ ::RemovePeerEvent *e = static_cast< ::RemovePeerEvent *>(event);
+ removePeer(e->peer);
+ event->accept();
+ break;
}
- rawItem = qUncompress(rawItem);
+ default:
+ qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
+ return;
+ }
+}
- QDataStream itemStream(&rawItem, QIODevice::ReadOnly);
- itemStream.setVersion(QDataStream::Qt_4_2);
- itemStream >> item;
- } else {
- in >> item;
- }
- if(!item.isValid()) {
- disconnectDevice(dev, tr("Client sent corrupt data: unable to load QVariant!"));
- return false;
- }
+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;
- return true;
-}
+ ExtendedMetaObject *eMeta = extendedMetaObject(obj);
-void SignalProxy::requestInit(SyncableObject *obj) {
- if(proxyMode() == Server || obj->isInitialized())
- return;
+ QVariantList params;
- QVariantList params;
- params << obj->syncMetaObject()->className()
- << obj->objectName();
- dispatchSignal(InitRequest, params);
-}
+ const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
-QVariantMap SignalProxy::initData(SyncableObject *obj) const {
- return obj->toVariantMap();
-}
+ 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 *));
+ }
-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());
+ if (_restrictMessageTarget) {
+ for (auto peer : _restrictedTargets) {
+ if (peer != nullptr)
+ dispatch(peer, SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
+ }
+ } else
+ dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
}
-void SignalProxy::sendHeartBeat() {
- QVariantList heartBeatParams;
- heartBeatParams << QTime::currentTime();
- PeerHash::iterator peer = _peers.begin();
- while(peer != _peers.end()) {
- if((*peer)->type() == AbstractPeer::IODevicePeer) {
- IODevicePeer *ioPeer = static_cast<IODevicePeer *>(*peer);
- ioPeer->dispatchSignal(SignalProxy::HeartBeat, heartBeatParams);
- if(ioPeer->sentHeartBeats > 0) {
- updateLag(ioPeer, ioPeer->sentHeartBeats * _heartBeatTimer.interval());
- }
- if(ioPeer->sentHeartBeats > 1) {
- qWarning() << "SignalProxy: Disconnecting peer:" << ioPeer->address()
- << "(didn't receive a heartbeat for over" << ioPeer->sentHeartBeats * _heartBeatTimer.interval() / 1000 << "seconds)";
- ioPeer->close();
- } else {
- ioPeer->sentHeartBeats++;
- }
- }
- peer++;
- }
-}
-void SignalProxy::receiveHeartBeat(AbstractPeer *peer, const QVariantList ¶ms) {
- peer->dispatchSignal(SignalProxy::HeartBeatReply, params);
+void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
+{
+ if (!reason.isEmpty())
+ qWarning() << qPrintable(reason);
+ QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
+ if (sock)
+ qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
+ dev->close();
}
-void SignalProxy::receiveHeartBeatReply(AbstractPeer *peer, const QVariantList ¶ms) {
- if(peer->type() != AbstractPeer::IODevicePeer) {
- qWarning() << "SignalProxy::receiveHeartBeatReply: received heart beat from a non IODevicePeer!";
- return;
- }
- IODevicePeer *ioPeer = static_cast<IODevicePeer *>(peer);
- ioPeer->sentHeartBeats = 0;
+void SignalProxy::dumpProxyStats()
+{
+ QString mode;
+ if (proxyMode() == Server)
+ mode = "Server";
+ else
+ mode = "Client";
- if(params.isEmpty()) {
- qWarning() << "SignalProxy: received heart beat reply with less params then sent from:" << ioPeer->address();
- return;
- }
+ int slaveCount = 0;
+ foreach(ObjectId oid, _syncSlave.values())
+ slaveCount += oid.count();
- QTime sendTime = params[0].value<QTime>();
- updateLag(ioPeer, sendTime.msecsTo(QTime::currentTime()) / 2);
+ 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::customEvent(QEvent *event) {
- switch(event->type()) {
- case PeerSignal:
- {
- PeerSignalEvent *e = static_cast<PeerSignalEvent *>(event);
- receivePeerSignal(e->sender, e->requestType, e->params);
- }
- event->accept();
- break;
- case RemovePeer:
- {
- RemovePeerEvent *e = static_cast<RemovePeerEvent *>(event);
- removePeer(e->peer);
+
+void SignalProxy::updateSecureState()
+{
+ bool wasSecure = _secure;
+
+ _secure = !_peerMap.isEmpty();
+ for (auto peer : _peerMap.values()) {
+ _secure &= peer->isSecure();
}
- event->accept();
- default:
- return;
- }
-}
-void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason) {
- if(!reason.isEmpty())
- qWarning() << qPrintable(reason);
- QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
- if(sock)
- qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
- dev->close();
+ 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;
}
-void SignalProxy::updateLag(IODevicePeer *peer, int lag) {
- peer->lag = lag;
- if(proxyMode() == Client) {
- emit lagUpdated(lag);
- }
+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::dumpProxyStats() {
- QString mode;
- if(proxyMode() == Server)
- mode = "Server";
- else
- mode = "Client";
-
- int sigCount = 0;
- foreach(SyncRelay *relay, _syncRelays.values())
- sigCount += relay->signalCount();
+void SignalProxy::restrictTargetPeers(QSet<Peer*> peers, std::function<void()> closure)
+{
+ auto previousRestrictMessageTarget = _restrictMessageTarget;
+ auto previousRestrictedTargets = _restrictedTargets;
+ _restrictMessageTarget = true;
+ _restrictedTargets = peers;
- int slaveCount = 0;
- foreach(ObjectId oid, _syncSlave.values())
- slaveCount += oid.count();
+ closure();
- qDebug() << this;
- qDebug() << " Proxy Mode:" << mode;
- // qDebug() << "attached sending Objects:" << _relayHash.count();
- qDebug() << " number of Signals:" << sigCount;
- qDebug() << " attached Slots:" << _attachedSlots.count();
- qDebug() << " number of synced Slaves:" << slaveCount;
- qDebug() << "number of Classes cached:" << _extendedMetaObjects.count();
+ _restrictMessageTarget = previousRestrictMessageTarget;
+ _restrictedTargets = previousRestrictedTargets;
}
-void SignalProxy::dumpSyncMap(SyncableObject *object) {
- const QMetaObject *meta = object->metaObject();
- ExtendedMetaObject *eMeta = extendedMetaObject(object);
- qDebug() << "SignalProxy: SyncMap for Class" << meta->className();
-
- QHash<QByteArray, int> syncMap_ = eMeta->syncMap();
- QHash<QByteArray, int>::const_iterator iter = syncMap_.constBegin();
- while(iter != syncMap_.constEnd()) {
- qDebug() << qPrintable(QString("%1 --> %2 %3").arg(QString(iter.key()), 40).arg(iter.value()).arg(QString(meta->method(iter.value()).signature())));
- iter++;
- }
+Peer *SignalProxy::sourcePeer() {
+ return _sourcePeer;
}
-void SignalProxy::updateSecureState() {
- bool wasSecure = _secure;
-
- _secure = !_peers.isEmpty();
- PeerHash::const_iterator peerIter;
- for(peerIter = _peers.constBegin(); peerIter != _peers.constEnd(); peerIter++) {
- _secure &= (*peerIter)->isSecure();
- }
+void SignalProxy::setSourcePeer(Peer *sourcePeer) {
+ _sourcePeer = sourcePeer;
+}
- if(wasSecure != _secure)
- emit secureStateChanged(_secure);
+Peer *SignalProxy::targetPeer() {
+ return _targetPeer;
}
+void SignalProxy::setTargetPeer(Peer *targetPeer) {
+ _targetPeer = targetPeer;
+}
// ==================================================
// ExtendedMetaObject
// ==================================================
-SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta)
- : _meta(meta),
- _updatedRemotelyId(-1)
+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 QList<int> &SignalProxy::ExtendedMetaObject::argTypes(int methodId) {
- if(!_argTypes.contains(methodId)) {
- QList<QByteArray> paramTypes = _meta->method(methodId).parameterTypes();
- QList<int> argTypes;
- for(int i = 0; i < paramTypes.count(); i++) {
- argTypes.append(QMetaType::type(paramTypes[i]));
+
+const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
+{
+ if (!_methods.contains(methodId)) {
+ _methods[methodId] = MethodDescriptor(_meta->method(methodId));
}
- _argTypes[methodId] = argTypes;
- }
- return _argTypes[methodId];
+ return _methods[methodId];
}
-const int &SignalProxy::ExtendedMetaObject::returnType(int methodId) {
- if(!_returnType.contains(methodId)) {
- _returnType[methodId] = QMetaType::type(_meta->method(methodId).typeName());
- }
- return _returnType[methodId];
-}
-const int &SignalProxy::ExtendedMetaObject::minArgCount(int methodId) {
- if(!_minArgCount.contains(methodId)) {
- QString signature(_meta->method(methodId).signature());
- _minArgCount[methodId] = _meta->method(methodId).parameterTypes().count() - signature.count("=");
- }
- return _minArgCount[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;
}
-const QByteArray &SignalProxy::ExtendedMetaObject::methodName(int methodId) {
- if(!_methodNames.contains(methodId)) {
- _methodNames[methodId] = methodName(_meta->method(methodId));
- }
- return _methodNames[methodId];
+
+QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
+{
+ QByteArray sig(method.methodSignature());
+ return sig.left(sig.indexOf("("));
}
-const QHash<QByteArray, int> &SignalProxy::ExtendedMetaObject::syncMap() {
- if(_syncMap.isEmpty()) {
- QHash<QByteArray, int> syncMap;
- QList<int> slotIndexes;
- for(int i = 0; i < _meta->methodCount(); i++) {
- if(_meta->method(i).methodType() == QMetaMethod::Slot)
- slotIndexes << i;
+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);
}
-
- // we're faking sync pairs for sync replies
- // --> we deliver to every slot starting with "receive"
- QByteArray slotSignature;
- QList<int>::iterator slotIter = slotIndexes.begin();
- while(slotIter != slotIndexes.end()) {
- slotSignature = QByteArray(_meta->method(*slotIter).signature());
- if(slotSignature.startsWith("receive")) {
- syncMap[slotSignature] = *slotIter;
- slotIter = slotIndexes.erase(slotIter);
- } else {
- slotIter++;
- }
+ 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);
}
- // find the proper sig -> slot matches
- QMetaMethod signal, slot;
- int matchIdx;
- for(int signalIdx = 0; signalIdx < _meta->methodCount(); signalIdx++) {
- signal = _meta->method(signalIdx);
- if(signal.methodType() != QMetaMethod::Signal)
- continue;
-
- matchIdx = -1;
- foreach(int slotIdx, slotIndexes) {
- slot = _meta->method(slotIdx);
- if(methodsMatch(signal, slot)) {
- matchIdx = slotIdx;
- break;
- }
- }
- if(matchIdx != -1) {
- slotIndexes.removeAll(matchIdx);
- syncMap[QByteArray(signal.signature())] = matchIdx;
- }
- }
- _syncMap = syncMap;
- }
- return _syncMap;
-}
+ methodname[0] = methodname[0].toUpper();
-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 = QByteArray(requestSlot.signature());
- 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;
+ return methodname;
}
-int SignalProxy::ExtendedMetaObject::updatedRemotelyId() {
- if(_updatedRemotelyId == -1) {
- _updatedRemotelyId = _meta->indexOfSignal("updatedRemotely()");
- }
- return _updatedRemotelyId;
-}
-QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method) {
- QByteArray sig(method.signature());
- return sig.left(sig.indexOf("("));
-}
+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;
-bool SignalProxy::ExtendedMetaObject::methodsMatch(const QMetaMethod &signal, const QMetaMethod &slot) {
- // if we don't even have the same basename it's a sure NO
- QString baseName = methodBaseName(signal);
- if(baseName != 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);
- QString slotprefix = methodName(slot);
- if(!baseName.isEmpty()) {
- signalsuffix = signalsuffix.mid(baseName.count()).toLower();
- slotprefix = slotprefix.left(slotprefix.count() - baseName.count()).toLower();
- }
-
- uint sizediff = qAbs(slotprefix.size() - signalsuffix.size());
- int ratio = editingDistance(slotprefix, signalsuffix) - sizediff;
- return (ratio < 2);
-}
+ // determine minArgCount
+ QString signature(method.methodSignature());
+ _minArgCount = method.parameterTypes().count() - signature.count("=");
-QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method) {
- QString methodname = QString(method.signature()).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;
+ _receiverMode = (_methodName.startsWith("request"))
+ ? SignalProxy::Server
+ : SignalProxy::Client;
}
-
projects / quassel.git / blobdiff