/***************************************************************************
- * Copyright (C) 2005-2018 by the Quassel Project *
+ * Copyright (C) 2005-2020 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
+#include <algorithm>
+#include <utility>
+
#include <QCoreApplication>
#include <QHostAddress>
#include <QMetaMethod>
#include <QMetaProperty>
+#include <QSslSocket>
#include <QThread>
-#ifdef HAVE_SSL
- #include <QSslSocket>
-#endif
-
-#include "signalproxy.h"
-
#include "peer.h"
#include "protocol.h"
+#include "signalproxy.h"
#include "syncableobject.h"
-#include "util.h"
#include "types.h"
+#include "util.h"
using namespace Protocol;
class RemovePeerEvent : public QEvent
{
public:
- RemovePeerEvent(Peer *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeerEvent)), peer(peer) {}
- Peer *peer;
-};
-
-
-// ==================================================
-// 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:
- SignalRelay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
- inline SignalProxy *proxy() const { return _proxy; }
-
- 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) {}
- };
-
- SignalProxy *_proxy;
- QHash<int, Signal> _slots;
+ RemovePeerEvent(Peer* peer)
+ : QEvent(QEvent::Type(SignalProxy::RemovePeerEvent))
+ , peer(peer)
+ {}
+ Peer* peer;
};
-
-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());
-#if QT_VERSION >= 0x050000
- fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).methodSignature());
-#else
- fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).signature());
-#endif
- }
-
- _slots[slotId] = Signal(sender, signalId, fn);
-
- QMetaObject::connect(sender, signalId, this, QObject::staticMetaObject.methodCount() + slotId);
-}
-
-
-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;
- }
- }
-}
-
-
-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) {
-#if QT_VERSION >= 0x050000
- 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());
-#else
- 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).signature());
-#endif
- 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;
-}
-
-
// ==================================================
// SignalProxy
// ==================================================
-thread_local SignalProxy *SignalProxy::_current{nullptr};
+namespace {
+thread_local SignalProxy* _current{nullptr};
+}
-SignalProxy::SignalProxy(QObject *parent)
+SignalProxy::SignalProxy(QObject* parent)
: QObject(parent)
{
setProxyMode(Client);
init();
}
-
-SignalProxy::SignalProxy(ProxyMode mode, QObject *parent)
+SignalProxy::SignalProxy(ProxyMode mode, QObject* parent)
: QObject(parent)
{
setProxyMode(mode);
init();
}
-
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();
+ SyncableObject* obj = objIter.value();
objIter = classIter->erase(objIter);
obj->stopSynchronize(this);
}
removeAllPeers();
+ // Ensure that we don't try to clean up while destroying ourselves
+ disconnect(this, &QObject::destroyed, this, &SignalProxy::detachSlotObjects);
+
_current = nullptr;
}
+SignalProxy* SignalProxy::current()
+{
+ return _current;
+}
void SignalProxy::setProxyMode(ProxyMode mode)
{
{
_heartBeatInterval = 0;
_maxHeartBeatCount = 0;
- _signalRelay = new SignalRelay(this);
setHeartBeatInterval(30);
setMaxHeartBeatCount(2);
_secure = false;
updateSecureState();
}
-
-void SignalProxy::initServer()
-{
-}
-
+void SignalProxy::initServer() {}
void SignalProxy::initClient()
{
- attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
+ attachSlot("__objectRenamed__", this, &SignalProxy::objectRenamed);
}
-
void SignalProxy::setHeartBeatInterval(int secs)
{
if (_heartBeatInterval != secs) {
}
}
-
void SignalProxy::setMaxHeartBeatCount(int max)
{
if (_maxHeartBeatCount != max) {
}
}
-
-bool SignalProxy::addPeer(Peer *peer)
+bool SignalProxy::addPeer(Peer* peer)
{
if (!peer)
return false;
qWarning("SignalProxy: only one peer allowed in client mode!");
return false;
}
- connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
+ connect(peer, &Peer::lagUpdated, this, &SignalProxy::lagUpdated);
}
- connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
- connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
+ connect(peer, &Peer::disconnected, this, &SignalProxy::removePeerBySender);
+ connect(peer, &Peer::secureStateChanged, this, &SignalProxy::updateSecureState);
if (!peer->parent())
peer->setParent(this);
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();
+ QList<Peer*> peers = _peerMap.values();
for (auto peer : peers) {
removePeer(peer);
}
}
-
-void SignalProxy::removePeer(Peer *peer)
+void SignalProxy::removePeer(Peer* peer)
{
if (!peer) {
qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
return;
}
- disconnect(peer, 0, this, 0);
- peer->setSignalProxy(0);
+ disconnect(peer, nullptr, this, nullptr);
+ peer->setSignalProxy(nullptr);
_peerMap.remove(peer->id());
emit peerRemoved(peer);
emit disconnected();
}
-
void SignalProxy::removePeerBySender()
{
- removePeer(qobject_cast<Peer *>(sender()));
+ removePeer(qobject_cast<Peer*>(sender()));
}
-
-void SignalProxy::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname)
+void SignalProxy::renameObject(const SyncableObject* obj, const QString& newname, const QString& oldname)
{
if (proxyMode() == Client)
return;
- const QMetaObject *meta = obj->syncMetaObject();
+ const QMetaObject* meta = obj->syncMetaObject();
const QByteArray className(meta->className());
objectRenamed(className, newname, oldname);
dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
}
-
-void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newname, const QString &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 (newname != oldname) {
+ if (_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname)) {
+ SyncableObject* obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
+ obj->setObjectName(newname);
+ requestInit(obj);
+ }
}
}
-
-const QMetaObject *SignalProxy::metaObject(const QObject *obj)
+const QMetaObject* SignalProxy::metaObject(const QObject* obj)
{
- if (const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(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
+SignalProxy::ExtendedMetaObject* SignalProxy::extendedMetaObject(const QMetaObject* meta) const
{
if (_extendedMetaObjects.contains(meta))
return _extendedMetaObjects[meta];
else
- return 0;
+ return nullptr;
}
-
-SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
+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)
+void SignalProxy::attachSlotObject(const QByteArray& signalName, std::unique_ptr<SlotObjectBase> slotObject)
{
- 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);
+ // Remove all attached slots related to the context upon its destruction
+ connect(slotObject->context(), &QObject::destroyed, this, &SignalProxy::detachSlotObjects, Qt::UniqueConnection);
- disconnect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
- connect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
- return true;
+ _attachedSlots.emplace(QMetaObject::normalizedSignature(signalName.constData()), std::move(slotObject));
}
-
-bool SignalProxy::attachSlot(const QByteArray &sigName, QObject *recv, const char *slot)
+void SignalProxy::detachSlotObjects(const QObject *context)
{
- 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;
+ for (auto&& it = _attachedSlots.begin(); it != _attachedSlots.end(); ) {
+ if (it->second->context() == context) {
+ it = _attachedSlots.erase(it);
+ }
+ else {
+ ++it;
+ }
}
-
- 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)
+void SignalProxy::synchronize(SyncableObject* obj)
{
createExtendedMetaObject(obj, true);
obj->synchronize(this);
}
-
-void SignalProxy::detachObject(QObject *obj)
-{
- detachSignals(obj);
- detachSlots(obj);
-}
-
-
-void SignalProxy::detachSignals(QObject *sender)
-{
- _signalRelay->detachSignal(sender);
-}
-
-
-void SignalProxy::detachSlots(QObject *receiver)
-{
- SlotHash::iterator slotIter = _attachedSlots.begin();
- while (slotIter != _attachedSlots.end()) {
- if (slotIter.value().first == receiver) {
- slotIter = _attachedSlots.erase(slotIter);
- }
- else
- ++slotIter;
- }
-}
-
-
-void SignalProxy::stopSynchronize(SyncableObject *obj)
+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*
obj->stopSynchronize(this);
}
+void SignalProxy::dispatchSignal(QByteArray sigName, QVariantList params)
+{
+ RpcCall rpcCall{std::move(sigName), std::move(params)};
+ if (_restrictMessageTarget) {
+ for (auto&& peer : _restrictedTargets) {
+ dispatch(peer, rpcCall);
+ }
+ }
+ else {
+ dispatch(rpcCall);
+ }
+}
template<class T>
-void SignalProxy::dispatch(const T &protoMessage)
+void SignalProxy::dispatch(const T& protoMessage)
{
for (auto&& peer : _peerMap.values()) {
dispatch(peer, protoMessage);
}
}
-
template<class T>
-void SignalProxy::dispatch(Peer *peer, const T &protoMessage)
+void SignalProxy::dispatch(Peer* peer, const T& protoMessage)
{
_targetPeer = peer;
_targetPeer = nullptr;
}
-
-void SignalProxy::handle(Peer *peer, const SyncMessage &syncMessage)
+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)
+ 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);
+ 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)
+ qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:")
+ .arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
<< syncMessage.params;
return;
}
invokeSlot(receiver, eMeta->updatedRemotelyId());
}
+void SignalProxy::handle(Peer* peer, const RpcCall& rpcCall)
+{
+ Q_UNUSED(peer)
+
+ auto range = _attachedSlots.equal_range(rpcCall.signalName);
+ std::for_each(range.first, range.second, [&rpcCall](const auto& p) {
+ if (!p.second->invoke(rpcCall.params)) {
+ qWarning() << "Could not invoke slot for remote signal" << rpcCall.signalName;
+ }
+ });
+}
-void SignalProxy::handle(Peer *peer, const InitRequest &initRequest)
+void SignalProxy::handle(Peer* peer, const InitRequest& initRequest)
{
- if (!_syncSlave.contains(initRequest.className)) {
- qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
- << initRequest.className;
+ if (!_syncSlave.contains(initRequest.className)) {
+ qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:" << initRequest.className;
return;
}
if (!_syncSlave[initRequest.className].contains(initRequest.objectName)) {
- qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
- << initRequest.className << initRequest.objectName;
+ qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:" << initRequest.className
+ << initRequest.objectName;
return;
}
- SyncableObject *obj = _syncSlave[initRequest.className][initRequest.objectName];
+ SyncableObject* obj = _syncSlave[initRequest.className][initRequest.objectName];
_targetPeer = peer;
peer->dispatch(InitData(initRequest.className, initRequest.objectName, initData(obj)));
_targetPeer = nullptr;
}
-
-void SignalProxy::handle(Peer *peer, const InitData &initData)
+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;
+ 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;
+ qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:" << initData.className << initData.objectName;
return;
}
- SyncableObject *obj = _syncSlave[initData.className][initData.objectName];
+ SyncableObject* obj = _syncSlave[initData.className][initData.objectName];
setInitData(obj, initData.initData);
}
-
-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;
- }
-}
-
-
-bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue, Peer *peer)
+bool SignalProxy::invokeSlot(QObject* receiver, int methodId, const QVariantList& params, QVariant& returnValue, Peer* peer)
{
- ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
+ ExtendedMetaObject* eMeta = extendedMetaObject(receiver);
const QList<int> args = eMeta->argTypes(methodId);
- const int numArgs = params.count() < args.count()
- ? params.count()
- : args.count();
+ 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 };
+ 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()) {
-#if QT_VERSION >= 0x050000
- 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());
-#else
- 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());
-#endif
+ 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;
}
return false;
}
- _a[i+1] = const_cast<void *>(params[i].constData());
+ _a[i + 1] = const_cast<void*>(params[i].constData());
}
if (returnValue.type() != QVariant::Invalid)
- _a[0] = const_cast<void *>(returnValue.constData());
+ _a[0] = const_cast<void*>(returnValue.constData());
- Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
- ? Qt::DirectConnection
- : Qt::QueuedConnection;
+ 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 {
+ }
+ 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, Peer *peer)
+bool SignalProxy::invokeSlot(QObject* receiver, int methodId, const QVariantList& params, Peer* peer)
{
QVariant ret;
return invokeSlot(receiver, methodId, params, ret, peer);
}
-
-void SignalProxy::requestInit(SyncableObject *obj)
+void SignalProxy::requestInit(SyncableObject* obj)
{
if (proxyMode() == Server || obj->isInitialized())
return;
dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
}
-
-QVariantMap SignalProxy::initData(SyncableObject *obj) const
+QVariantMap SignalProxy::initData(SyncableObject* obj) const
{
return obj->toVariantMap();
}
-
-void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties)
+void SignalProxy::setInitData(SyncableObject* obj, const QVariantMap& properties)
{
if (obj->isInitialized())
return;
invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
}
-
-void SignalProxy::customEvent(QEvent *event)
+void SignalProxy::customEvent(QEvent* event)
{
switch ((int)event->type()) {
case RemovePeerEvent: {
- ::RemovePeerEvent *e = static_cast< ::RemovePeerEvent *>(event);
+ auto* e = static_cast<::RemovePeerEvent*>(event);
removePeer(e->peer);
event->accept();
break;
}
}
-
-void SignalProxy::sync_call__(const SyncableObject *obj, SignalProxy::ProxyMode modeType, const char *funcname, va_list ap)
+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);
+ ExtendedMetaObject* eMeta = extendedMetaObject(obj);
QVariantList params;
- const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
+ 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() << 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 *));
+ params << QVariant(argTypes[i], va_arg(ap, void*));
}
if (_restrictMessageTarget) {
if (peer != nullptr)
dispatch(peer, SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
}
- } else
+ }
+ else
dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
}
-
-void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
+void SignalProxy::disconnectDevice(QIODevice* dev, const QString& reason)
{
if (!reason.isEmpty())
qWarning() << qPrintable(reason);
- QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
+ auto* sock = qobject_cast<QAbstractSocket*>(dev);
if (sock)
qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
dev->close();
}
-
void SignalProxy::dumpProxyStats()
{
QString mode;
mode = "Client";
int slaveCount = 0;
- foreach(ObjectId oid, _syncSlave.values())
- slaveCount += oid.count();
+ foreach (ObjectId oid, _syncSlave.values())
+ slaveCount += oid.count();
qDebug() << this;
qDebug() << " Proxy Mode:" << mode;
- qDebug() << " attached Slots:" << _attachedSlots.count();
+ qDebug() << " attached Slots:" << _attachedSlots.size();
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()) {
+ for (auto peer : _peerMap.values()) {
_secure &= peer->isSecure();
}
emit secureStateChanged(_secure);
}
-QVariantList SignalProxy::peerData() {
+QVariantList SignalProxy::peerData()
+{
QVariantList result;
- for (auto &&peer : _peerMap.values()) {
+ for (auto&& peer : _peerMap.values()) {
QVariantMap data;
data["id"] = peer->id();
data["clientVersion"] = peer->clientVersion();
return result;
}
-Peer *SignalProxy::peerById(int peerId) {
- return _peerMap[peerId];
+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)
_restrictedTargets = previousRestrictedTargets;
}
-Peer *SignalProxy::sourcePeer() {
+Peer* SignalProxy::sourcePeer()
+{
return _sourcePeer;
}
-void SignalProxy::setSourcePeer(Peer *sourcePeer) {
+void SignalProxy::setSourcePeer(Peer* sourcePeer)
+{
_sourcePeer = sourcePeer;
}
-Peer *SignalProxy::targetPeer() {
+Peer* SignalProxy::targetPeer()
+{
return _targetPeer;
}
-void SignalProxy::setTargetPeer(Peer *targetPeer) {
+void SignalProxy::setTargetPeer(Peer* targetPeer)
+{
_targetPeer = targetPeer;
}
-// ==================================================
-// ExtendedMetaObject
-// ==================================================
-SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta, bool checkConflicts)
- : _meta(meta),
- _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
+// ---- SlotObjectBase ---------------------------------------------------------------------------------------------------------------------
+
+SignalProxy::SlotObjectBase::SlotObjectBase(const QObject* context)
+ : _context{context}
+{}
+
+const QObject* SignalProxy::SlotObjectBase::context() const
+{
+ return _context;
+}
+
+// ---- 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 QT_VERSION >= 0x050000
if (_meta->method(i).methodSignature().contains('*'))
-#else
- if (QByteArray(_meta->method(i).signature()).contains('*'))
-#endif
continue; // skip methods with ptr params
QByteArray method = methodName(_meta->method(i));
/* 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);
+ const QMetaMethod& current = _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);
int minCount = current.parameterTypes().count();
QList<QByteArray> commonParams = candidate.parameterTypes().mid(0, minCount);
if (commonParams == current.parameterTypes()) {
- _methodIds[method] = i; // use the new one
+ _methodIds[method] = i; // use the new one
continue;
}
}
if (checkConflicts) {
qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
-#if QT_VERSION >= 0x050000
- qWarning() << " - " << _meta->method(i).methodSignature() << "conflicts with" << _meta->method(_methodIds[method]).methodSignature();
-#else
- qWarning() << " - " << _meta->method(i).signature() << "conflicts with" << _meta->method(_methodIds[method]).signature();
-#endif
+ qWarning() << " - " << _meta->method(i).methodSignature() << "conflicts with"
+ << _meta->method(_methodIds[method]).methodSignature();
}
continue;
}
}
}
-
-const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId)
+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()
+const QHash<int, int>& SignalProxy::ExtendedMetaObject::receiveMap()
{
if (_receiveMap.isEmpty()) {
QHash<int, int> receiveMap;
if (QMetaType::Void == (QMetaType::Type)returnType(i))
continue;
-#if QT_VERSION >= 0x050000
signature = requestSlot.methodSignature();
-#else
- signature = QByteArray(requestSlot.signature());
-#endif
if (!signature.startsWith("request"))
continue;
return _receiveMap;
}
-
-QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
+QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod& method)
{
-#if QT_VERSION >= 0x050000
QByteArray sig(method.methodSignature());
-#else
- QByteArray sig(method.signature());
-#endif
return sig.left(sig.indexOf("("));
}
-
-QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
+QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod& method)
{
-#if QT_VERSION >= 0x050000
QString methodname = QString(method.methodSignature()).section("(", 0, 0);
-#else
- QString methodname = QString(method.signature()).section("(", 0, 0);
-#endif
// determine where we have to chop:
int upperCharPos;
return methodname;
}
-
-SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
- : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
- _returnType(QMetaType::type(method.typeName()))
+SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod& method)
+ : _methodName(SignalProxy::ExtendedMetaObject::methodName(method))
+ , _returnType(QMetaType::type(method.typeName()))
{
// determine argTypes
QList<QByteArray> paramTypes = method.parameterTypes();
_argTypes = argTypes;
// determine minArgCount
-#if QT_VERSION >= 0x050000
QString signature(method.methodSignature());
-#else
- QString signature(method.signature());
-#endif
_minArgCount = method.parameterTypes().count() - signature.count("=");
- _receiverMode = (_methodName.startsWith("request"))
- ? SignalProxy::Server
- : SignalProxy::Client;
+ _receiverMode = (_methodName.startsWith("request")) ? SignalProxy::Server : SignalProxy::Client;
}