if(slotIter->sender == sender && (signalId == -1 || slotIter->signalId == signalId)) {
slotIter = _slots.erase(slotIter);
if(signalId != -1)
- break;
+ break;
} else {
slotIter++;
}
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]);
+ 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);
void SignalProxy::IODevicePeer::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) {
QVariantList packedFunc;
packedFunc << (qint16)requestType
- << params;
+ << params;
dispatchPackedFunc(QVariant(packedFunc));
}
}
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++;
+ }
+ _syncSlave.clear();
+
removeAllPeers();
}
if((*peer)->type() != AbstractPeer::IODevicePeer) {
IODevicePeer *ioPeer = static_cast<IODevicePeer *>(*peer);
if(ioPeer->isOpen()) {
- qWarning() << "SignalProxy: Cannot change proxy mode while connected";
- return;
+ qWarning() << "SignalProxy: Cannot change proxy mode while connected";
+ return;
}
}
if((*peer)->type() != AbstractPeer::SignalProxyPeer) {
}
void SignalProxy::init() {
+ _heartBeatInterval = 0;
+ _maxHeartBeatCount = 0;
_signalRelay = new SignalRelay(this);
connect(&_heartBeatTimer, SIGNAL(timeout()), this, SLOT(sendHeartBeat()));
- _heartBeatTimer.start(30 * 1000);
+ setHeartBeatInterval(30);
+ setMaxHeartBeatCount(2);
+ _heartBeatTimer.start();
_secure = false;
updateSecureState();
}
return true;
}
+void SignalProxy::setHeartBeatInterval(int secs) {
+ if(secs != _heartBeatInterval) {
+ _heartBeatInterval = secs;
+ _heartBeatTimer.setInterval(secs * 1000);
+ }
+}
+
+void SignalProxy::setMaxHeartBeatCount(int max) {
+ _maxHeartBeatCount = max;
+}
+
bool SignalProxy::addPeer(SignalProxy* proxy) {
if(!proxy)
return false;
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::renameObject(const SyncableObject *obj, const QString &newname, const QString &oldname) {
if(proxyMode() == Client)
return;
+ const QMetaObject *meta = obj->syncMetaObject();
+ const QByteArray className(meta->className());
+ objectRenamed(className, newname, oldname);
+
QVariantList params;
params << "__objectRenamed__" << className << newname << oldname;
dispatchSignal(RpcCall, params);
return 0;
}
-SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta) {
+SignalProxy::ExtendedMetaObject *SignalProxy::createExtendedMetaObject(const QMetaObject *meta, bool checkConflicts) {
if(!_extendedMetaObjects.contains(meta)) {
- _extendedMetaObjects[meta] = new ExtendedMetaObject(meta);
+ _extendedMetaObjects[meta] = new ExtendedMetaObject(meta, checkConflicts);
}
return _extendedMetaObjects[meta];
}
}
void SignalProxy::synchronize(SyncableObject *obj) {
- createExtendedMetaObject(obj);
+ createExtendedMetaObject(obj, true);
// 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) {
- connect(obj, SIGNAL(objectRenamed(QString, QString)), this, SLOT(objectRenamed(QString, QString)));
obj->setInitialized();
emit objectInitialized(obj);
} else {
}
void SignalProxy::detachObject(QObject *obj) {
- stopSync(obj);
detachSignals(obj);
detachSlots(obj);
}
}
}
-void SignalProxy::stopSync(QObject *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*
QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
}
classIter++;
}
+ obj->stopSynchronize(this);
}
void SignalProxy::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) {
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()));
+ IODevicePeer *ioPeer = static_cast<IODevicePeer *>(*peer);
+ if(ioPeer->isOpen())
+ ioPeer->dispatchPackedFunc(packedFunc);
+ else
+ QCoreApplication::postEvent(this, new RemovePeerEvent(peer.key()));
}
break;
case AbstractPeer::SignalProxyPeer:
}
}
+ // 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)
- << params;
+ 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)
- << params;
+ 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());
+ << objectName
+ << eMeta->methodName(receiverId);
+ //QByteArray(receiver->metaObject()->method(receiverId).signature());
if(eMeta->argTypes(receiverId).count() > 1)
returnParams << params;
returnParams << returnValue;
void SignalProxy::handleInitRequest(AbstractPeer *sender, const QVariantList ¶ms) {
if(params.count() != 2) {
qWarning() << "SignalProxy::handleInitRequest() received initRequest with invalid param Count:"
- << params;
+ << params;
return;
}
if(!_syncSlave.contains(className)) {
qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
- << className;
+ << className;
return;
}
if(!_syncSlave[className].contains(objectName)) {
qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
- << className << objectName;
+ << className << objectName;
return;
}
QVariantList params_;
params_ << className
- << objectName
- << initData(obj);
+ << objectName
+ << initData(obj);
sender->dispatchSignal(InitData, params_);
}
Q_UNUSED(sender)
if(params.count() != 3) {
qWarning() << "SignalProxy::handleInitData() received initData with invalid param Count:"
- << params;
+ << params;
return;
}
if(!_syncSlave.contains(className)) {
qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
- << className;
+ << className;
return;
}
if(!_syncSlave[className].contains(objectName)) {
qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
- << className << objectName;
+ << className << objectName;
return;
}
}
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};
+ 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(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("Peer sent corrupted compressed data!"));
- return false;
+ disconnectDevice(dev, tr("Peer sent corrupted compressed data!"));
+ return false;
}
}
QVariantList params;
params << obj->syncMetaObject()->className()
- << obj->objectName();
+ << obj->objectName();
dispatchSignal(InitRequest, params);
}
void SignalProxy::sendHeartBeat() {
QVariantList heartBeatParams;
heartBeatParams << QTime::currentTime();
+ QList<IODevicePeer *> toClose;
+
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++;
+ updateLag(ioPeer, ioPeer->sentHeartBeats * _heartBeatTimer.interval());
}
+ if(maxHeartBeatCount() >= 0 && ioPeer->sentHeartBeats >= maxHeartBeatCount())
+ toClose.append(ioPeer);
+ else
+ ioPeer->sentHeartBeats++;
}
- peer++;
+ ++peer;
+ }
+
+ foreach(IODevicePeer *ioPeer, toClose) {
+ qWarning() << "SignalProxy: Disconnecting peer:" << ioPeer->address()
+ << "(didn't receive a heartbeat for over" << ioPeer->sentHeartBeats * _heartBeatTimer.interval() / 1000 << "seconds)";
+ ioPeer->close();
}
}
}
void SignalProxy::customEvent(QEvent *event) {
- switch(event->type()) {
+ switch(+event->type()) {
case PeerSignal:
{
PeerSignalEvent *e = static_cast<PeerSignalEvent *>(event);
}
}
-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;
ExtendedMetaObject *eMeta = extendedMetaObject(obj);
QVariantList params;
-
params << eMeta->metaObject()->className()
<< obj->objectName()
<< QByteArray(funcname);
-
const QList<int> &argTypes = eMeta->argTypes(eMeta->methodId(QByteArray(funcname)));
for(int i = 0; i < argTypes.size(); i++) {
}
params << QVariant(argTypes[i], va_arg(ap, void *));
}
+
+ dispatchSignal(Sync, params);
}
+
+
void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason) {
if(!reason.isEmpty())
qWarning() << qPrintable(reason);
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;
// ==================================================
// ExtendedMetaObject
// ==================================================
-SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta)
+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(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;
+ }
+ }
+ if(checkConflicts) {
+ 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;
+ }
}
const SignalProxy::ExtendedMetaObject::MethodDescriptor &SignalProxy::ExtendedMetaObject::methodDescriptor(int methodId) {
return _methods[methodId];
}
-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;
- }
- }
- }
- 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;
- }
- return _syncMap;
-}
-
const QHash<int, int> &SignalProxy::ExtendedMetaObject::receiveMap() {
if(_receiveMap.isEmpty()) {
QHash<int, int> receiveMap;
for(int i = 0; i < methodCount; i++) {
requestSlot = _meta->method(i);
if(requestSlot.methodType() != QMetaMethod::Slot)
- continue;
+ continue;
returnTypeName = requestSlot.typeName();
if(QMetaType::Void == (QMetaType::Type)returnType(i))
- continue;
+ continue;
signature = QByteArray(requestSlot.signature());
if(!signature.startsWith("request"))
- continue;
+ continue;
paramsPos = signature.indexOf('(');
if(paramsPos == -1)
- continue;
+ continue;
methodName = signature.left(paramsPos);
params = signature.mid(paramsPos);
receiverId = _meta->indexOfSlot(signature);
if(receiverId == -1) {
- signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
- receiverId = _meta->indexOfSlot(signature);
+ signature = QMetaObject::normalizedSignature(methodName + "(" + returnTypeName + ")");
+ receiverId = _meta->indexOfSlot(signature);
}
- if(receiverId != -1)
- receiveMap[i] = receiverId;
+ if(receiverId != -1) {
+ receiveMap[i] = receiverId;
+ }
}
_receiveMap = receiveMap;
}
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);
// determine minArgCount
QString signature(method.signature());
_minArgCount = method.parameterTypes().count() - signature.count("=");
+
+ _receiverMode = (_methodName.startsWith("request"))
+ ? SignalProxy::Server
+ : SignalProxy::Client;
}