};
// ==================================================
-// 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; }
-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; }
-
-private:
- ExtendedMetaObject *_eMeta;
- QSet<int> _signalIds;
- int _signalCount;
-};
-
-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);
Signal() : sender(0), signalId(-1) {}
};
+ SignalProxy *_proxy;
QHash<int, Signal> _slots;
};
-SignalProxy::SyncRelay::SyncRelay(SignalProxy::ExtendedMetaObject *eMeta, SignalProxy *parent)
- : Relay(parent),
- _eMeta(eMeta)
-{
- 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;
- }
- }
- _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++;
- }
-}
-
-int SignalProxy::SyncRelay::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(!_signalIds.contains(_id)) {
- qWarning() << Q_FUNC_INFO << "_id" << _id << "is not a valid SyncMethod!";
- return _id;
- }
-
- 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]);
- }
-
- 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
}
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()];
-
- relay->synchronize(obj);
+ createExtendedMetaObject(obj);
// attaching as slave to receive sync Calls
QByteArray className(obj->syncMetaObject()->className());
}
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();
}
}
+ // qDebug() << "SignalProxy::receivePeerSignal)" << requestType << params;
switch(requestType) {
case RpcCall:
if(params.empty())
QByteArray className = params.takeFirst().toByteArray();
QString objectName = params.takeFirst().toString();
- QByteArray signal = params.takeFirst().toByteArray();
+ QByteArray slot = params.takeFirst().toByteArray();
if(!_syncSlave.contains(className) || !_syncSlave[className].contains(objectName)) {
- qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(QString(className)).arg(QString(signal)).arg(objectName)
+ qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(QString(className)).arg(QString(slot)).arg(objectName)
<< params;
return;
}
SyncableObject *receiver = _syncSlave[className][objectName];
ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
- if(!eMeta->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)
+ if(!eMeta->slotMap().contains(slot)) {
+ qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(QString(className)).arg(QString(slot)).arg(objectName)
<< params;
return;
}
- int slotId = eMeta->syncMap()[signal];
+ int slotId = eMeta->slotMap()[slot];
+ if(proxyMode() != eMeta->receiverMode(slotId)) {
+ qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed. Wrong ProxyMode!", eMeta->methodName(slotId).constData());
+ return;
+ }
QVariant returnValue((QVariant::Type)eMeta->returnType(slotId));
if(!invokeSlot(receiver, slotId, params, returnValue)) {
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());
+ << eMeta->methodName(receiverId);
+ //QByteArray(receiver->metaObject()->method(receiverId).signature());
if(eMeta->argTypes(receiverId).count() > 1)
returnParams << params;
returnParams << returnValue;
}
}
-void SignalProxy::syncCall(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;
}
params << QVariant(argTypes[i], va_arg(ap, void *));
}
+
+ dispatchSignal(Sync, params);
}
void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason) {
else
mode = "Client";
- int sigCount = 0;
- foreach(SyncRelay *relay, _syncRelays.values())
- sigCount += relay->signalCount();
-
int slaveCount = 0;
foreach(ObjectId oid, _syncSlave.values())
slaveCount += oid.count();
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();
}
-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++;
- }
-}
-
void SignalProxy::updateSecureState() {
bool wasSecure = _secure;
// ==================================================
SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta)
: _meta(meta),
- _updatedRemotelyId(-1)
+ _updatedRemotelyId(_meta->indexOfSignal("updatedRemotely()"))
{
-}
-
-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]));
- }
- _argTypes[methodId] = argTypes;
- }
- return _argTypes[methodId];
-}
-
-int SignalProxy::ExtendedMetaObject::returnType(int methodId) {
- if(!_returnType.contains(methodId)) {
- _returnType[methodId] = QMetaType::type(_meta->method(methodId).typeName());
- }
- return _returnType[methodId];
-}
-
-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 QByteArray &SignalProxy::ExtendedMetaObject::methodName(int methodId) {
- if(!_methodNames.contains(methodId)) {
- _methodNames[methodId] = methodName(_meta->method(methodId));
- }
- return _methodNames[methodId];
-}
+ for(int i = 0; i < _meta->methodCount(); i++) {
+ if(_meta->method(i).methodType() != QMetaMethod::Slot)
+ continue;
-int SignalProxy::ExtendedMetaObject::methodId(const QByteArray &methodName) {
- if(_methodIds.contains(methodName)) {
- return _methodIds[methodName];
- } else {
- for(int i = _meta->methodOffset(); i < _meta->methodCount(); i++) {
- if(ExtendedMetaObject::methodName(_meta->method(i)) == methodName) {
- _methodIds[methodName] = i;
- return i;
+ if(QByteArray(_meta->method(i).signature()).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;
+ }
}
+ qWarning() << "class" << meta->className() << "contains overloaded methods which is currently not supported!";
+ qWarning() << " - " << _meta->method(i).signature() << "conflicts with" << _meta->method(_methodIds[method]).signature();
+ continue;
}
+ _methodIds[method] = i;
}
- Q_ASSERT(false);
- return -1;
}
-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;
- }
-
- // 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++;
- }
- }
-
- // 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;
+const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId) {
+ if(!_methods.contains(methodId)) {
+ _methods[methodId] = MethodDescriptor(_meta->method(methodId));
}
- return _syncMap;
+ return _methods[methodId];
}
const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap() {
receiverId = _meta->indexOfSlot(signature);
}
- if(receiverId != -1)
+ if(receiverId != -1) {
receiveMap[i] = receiverId;
+ qDebug() << requestSlot.signature() << _meta->method(receiverId).signature() << "---" << i << receiverId;
+ }
}
_receiveMap = receiveMap;
}
return _receiveMap;
}
-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("("));
}
-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);
-}
-
QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method) {
QString methodname = QString(method.signature()).section("(", 0, 0);
return methodname;
}
+SignalProxy::ExtendedMetaObject::MethodDescriptor::MethodDescriptor(const QMetaMethod &method)
+ : _methodName(SignalProxy::ExtendedMetaObject::methodName(method)),
+ _returnType(QMetaType::type(method.typeName()))
+{
+ // determine argTypes
+ QList<QByteArray> paramTypes = method.parameterTypes();
+ QList<int> argTypes;
+ for(int i = 0; i < paramTypes.count(); i++) {
+ argTypes.append(QMetaType::type(paramTypes[i]));
+ }
+ _argTypes = argTypes;
+
+ // determine minArgCount
+ QString signature(method.signature());
+ _minArgCount = method.parameterTypes().count() - signature.count("=");
+
+ _receiverMode = (_methodName.startsWith("request"))
+ ? SignalProxy::Server
+ : SignalProxy::Client;
+}
+
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