/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-09 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
#include <QMetaMethod>
#include <QMetaProperty>
#include <QRegExp>
+#ifdef HAVE_SSL
+#include <QSslSocket>
+#endif
#include <QThread>
#include <QTime>
#include <QEvent>
// ==================================================
class PeerSignalEvent : public QEvent {
public:
- PeerSignalEvent(SignalProxy *sender, SignalProxy::RequestType requestType, const QVariantList ¶ms) : QEvent(QEvent::User), sender(sender), requestType(requestType), params(params) {}
+ 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;
};
+class RemovePeerEvent : public QEvent {
+public:
+ RemovePeerEvent(QObject *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeer)), peer(peer) {}
+ QObject *peer;
+};
+
// ==================================================
-// SIGNALRELAY
+// Relays
// ==================================================
-class SignalRelay: public QObject {
+class SignalProxy::Relay : 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* source);
- int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
+ Relay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
+
+ inline SignalProxy *proxy() const { return _proxy; }
- void attachSignal(int methodId, const QByteArray &func);
+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 setSynchronize(bool);
- bool synchronize() const;
+ void synchronize(SyncableObject *object);
- int sigCount() const;
+ int signalCount() const { return _signalCount; }
private:
- bool isSyncMethod(int i);
+ 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);
- SignalProxy* proxy;
- QObject* caller;
- QMultiHash<int, QByteArray> sigNames;
- bool _sync;
+ 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;
};
-SignalRelay::SignalRelay(SignalProxy* parent, QObject* source)
- : QObject(parent),
- proxy(parent),
- caller(source),
- _sync(false)
+SignalProxy::SyncRelay::SyncRelay(SignalProxy::ExtendedMetaObject *eMeta, SignalProxy *parent)
+ : Relay(parent),
+ _eMeta(eMeta)
{
- QObject::connect(source, SIGNAL(destroyed()), parent, SLOT(detachSender()));
+ 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();
}
-int SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a) {
+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(sigNames.contains(_id) || synchronize()) {
- const QList<int> &argTypes = proxy->argTypes(caller, _id);
- QVariantList params;
- int n = argTypes.size();
- for(int i=0; i<n; 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.append(QVariant(argTypes[i], _a[i+1]));
- }
- QMultiHash<int, QByteArray>::const_iterator funcIter = sigNames.constFind(_id);
- while(funcIter != sigNames.constEnd() && funcIter.key() == _id) {
- proxy->dispatchSignal(SignalProxy::RpcCall, QVariantList() << funcIter.value() << params);
- funcIter++;
- }
+ if(!_signalIds.contains(_id)) {
+ qWarning() << Q_FUNC_INFO << "_id" << _id << "is not a valid SyncMethod!";
+ return _id;
+ }
+
+ QVariantList params;
- // dispatch Sync Signal if necessary
- QByteArray signature(caller->metaObject()->method(_id).signature());
- SyncableObject *syncObject = qobject_cast<SyncableObject *>(caller);
- if(synchronize() && proxy->syncMap(syncObject).contains(signature)) {
- //qDebug() << "__SYNC__ >>>"
- // << caller->metaObject()->className()
- // << caller->objectName()
- // << signature
- // << params;
- // params.prepend(QVariant(_id));
- params.prepend(signature);
- params.prepend(syncObject->objectName());
- params.prepend(syncObject->syncMetaObject()->className());
- proxy->dispatchSignal(SignalProxy::Sync, 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]);
}
- _id -= QObject::staticMetaObject.methodCount();
+
+ proxy()->dispatchSignal(SignalProxy::Sync, params);
}
+ _id -= _signalCount;
return _id;
}
-void SignalRelay::setSynchronize(bool sync) {
- SyncableObject *syncObject = qobject_cast<SyncableObject *>(caller);
- if(!syncObject)
- return;
- const QMetaObject *meta = syncObject->syncMetaObject();
- if(!_sync && sync) {
- // enable Sync
- for(int i = 0; i < meta->methodCount(); i++ ) {
- if(isSyncMethod(i))
- QMetaObject::connect(caller, i, this, QObject::staticMetaObject.methodCount() + i);
- }
- } else if (_sync && !sync) {
- // disable Sync
- for(int i = 0; i < meta->methodCount(); i++ ) {
- if(isSyncMethod(i))
- QMetaObject::disconnect(caller, i, this, QObject::staticMetaObject.methodCount() + i);
+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;
}
}
- _sync = sync;
-}
-
-bool SignalRelay::isSyncMethod(int i) {
- SyncableObject *syncObject = qobject_cast<SyncableObject *>(caller);
- if(!syncObject)
- return false;
-
- QByteArray signature = syncObject->syncMetaObject()->method(i).signature();
- if(!proxy->syncMap(syncObject).contains(signature))
- return false;
- if(proxy->proxyMode() == SignalProxy::Server && !signature.contains("Requested"))
- return true;
+ QByteArray fn;
+ if(!funcName.isEmpty()) {
+ fn = QMetaObject::normalizedSignature(funcName);
+ } else {
+ fn = SIGNAL();
+ fn += sender->metaObject()->method(signalId).signature();
+ }
- if(proxy->proxyMode() == SignalProxy::Client && signature.contains("Requested"))
- return true;
+ _slots[slotId] = Signal(sender, signalId, fn);
- return false;
+ QMetaObject::connect(sender, signalId, this, QObject::staticMetaObject.methodCount() + slotId);
}
-bool SignalRelay::synchronize() const {
- return _sync;
+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 SignalRelay::sigCount() const {
- // only for debuging purpose
- return sigNames.count();
-}
+int SignalProxy::SignalRelay::qt_metacall(QMetaObject::Call _c, int _id, void **_a) {
+ _id = QObject::qt_metacall(_c, _id, _a);
+ if(_id < 0)
+ return _id;
-void SignalRelay::attachSignal(int methodId, const QByteArray &func) {
- // we ride without safetybelts here... all checking for valid method etc pp has to be done by the caller
- // all connected methodIds are offset by the standard methodCount of QObject
- if(!sigNames.contains(methodId))
- QMetaObject::connect(caller, methodId, this, QObject::staticMetaObject.methodCount() + methodId);
+ if(_c == QMetaObject::InvokeMetaMethod) {
+ if(_slots.contains(_id)) {
+ QObject *caller = sender();
- QByteArray fn;
- if(!func.isEmpty()) {
- fn = QMetaObject::normalizedSignature(func);
- } else {
- fn = QByteArray("2") + caller->metaObject()->method(methodId).signature();
+ SignalProxy::ExtendedMetaObject *eMeta = proxy()->extendedMetaObject(caller->metaObject());
+ Q_ASSERT(eMeta);
+
+ const Signal &signal = _slots[_id];
+
+ QVariantList params;
+ params << signal.signature;
+
+ 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);
+ }
+ _id -= _slots.count();
}
- sigNames.insert(methodId, fn);
+ return _id;
}
// ==================================================
dispatchPackedFunc(QVariant(packedFunc));
}
+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
+
+ QAbstractSocket *socket = qobject_cast<QAbstractSocket *>(_device);
+ if(socket)
+ return socket->localAddress() == QHostAddress::LocalHost || socket->localAddress() == QHostAddress::LocalHostIPv6;
+
+ return false;
+}
+
QString SignalProxy::IODevicePeer::address() const {
QAbstractSocket *socket = qobject_cast<QAbstractSocket *>(_device);
if(socket)
}
SignalProxy::~SignalProxy() {
- QList<QObject*> senders = _relayHash.keys();
- foreach(QObject* sender, senders)
- detachObject(sender);
removeAllPeers();
}
}
void SignalProxy::init() {
+ _signalRelay = new SignalRelay(this);
connect(&_heartBeatTimer, SIGNAL(timeout()), this, SLOT(sendHeartBeat()));
_heartBeatTimer.start(30 * 1000);
+ _secure = false;
+ updateSecureState();
}
void SignalProxy::initServer() {
return false;
}
- if(!iodev->isOpen())
- qWarning("SignalProxy::the device you passed is not open!");
+ if(!iodev->isOpen()) {
+ qWarning("SignalProxy::addPeer(QIODevice *iodev): iodev needs to be open!");
+ return false;
+ }
connect(iodev, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
connect(iodev, SIGNAL(readyRead()), this, SLOT(dataAvailable()));
- QAbstractSocket* sock = qobject_cast<QAbstractSocket*>(iodev);
- if(sock) {
- connect(sock, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
+#ifdef HAVE_SSL
+ QSslSocket *sslSocket = qobject_cast<QSslSocket *>(iodev);
+ if(sslSocket) {
+ connect(iodev, SIGNAL(encrypted()), this, SLOT(updateSecureState()));
}
+#endif
- if(!sock->parent())
- sock->setParent(this);
+ if(!iodev->parent())
+ iodev->setParent(this);
_peers[iodev] = new IODevicePeer(iodev, iodev->property("UseCompression").toBool());
if(_peers.count() == 1)
emit connected();
+ updateSecureState();
return true;
}
if(_peers.count() == 1)
emit connected();
+ updateSecureState();
return true;
}
delete peer;
+ updateSecureState();
+
if(_peers.isEmpty())
emit disconnected();
}
void SignalProxy::objectRenamed(const QString &newname, const QString &oldname) {
SyncableObject *syncObject = qobject_cast<SyncableObject *>(sender());
- const QMetaObject *meta = syncObject->metaObject();
+ const QMetaObject *meta = syncObject->syncMetaObject();
const QByteArray className(meta->className());
objectRenamed(className, newname, oldname);
}
}
-void SignalProxy::setArgTypes(QObject* obj, int methodId) {
- const QMetaObject *meta = metaObject(obj);
- QList<QByteArray> p = meta->method(methodId).parameterTypes();
- QList<int> argTypes;
- int ct = p.count();
- for(int i=0; i<ct; i++)
- argTypes.append(QMetaType::type(p.value(i)));
-
- Q_ASSERT(!_classInfo[meta]->argTypes.contains(methodId));
- _classInfo[meta]->argTypes[methodId] = argTypes;
-}
-
-const QList<int> &SignalProxy::argTypes(QObject *obj, int methodId) {
- const QMetaObject *meta = metaObject(obj);
- Q_ASSERT(_classInfo.contains(meta));
- if(!_classInfo[meta]->argTypes.contains(methodId))
- setArgTypes(obj, methodId);
- return _classInfo[meta]->argTypes[methodId];
-}
-
-void SignalProxy::setReturnType(QObject *obj, int methodId) {
- const QMetaObject *meta = metaObject(obj);
- int returnType = QMetaType::type(meta->method(methodId).typeName());
-
- Q_ASSERT(!_classInfo[meta]->returnType.contains(methodId));
- _classInfo[meta]->returnType[methodId] = returnType;
-}
-
-const int &SignalProxy::returnType(QObject *obj, int methodId) {
- const QMetaObject *meta = metaObject(obj);
- Q_ASSERT(_classInfo.contains(meta));
- if(!_classInfo[meta]->returnType.contains(methodId))
- setReturnType(obj, methodId);
- return _classInfo[meta]->returnType[methodId];
-}
-
-void SignalProxy::setMinArgCount(QObject *obj, int methodId) {
- const QMetaObject *meta = metaObject(obj);
- QString signature(meta->method(methodId).signature());
- int minCount = meta->method(methodId).parameterTypes().count() - signature.count("=");
- Q_ASSERT(!_classInfo[meta]->minArgCount.contains(methodId));
- _classInfo[meta]->minArgCount[methodId] = minCount;
-}
-
-const int &SignalProxy::minArgCount(QObject *obj, int methodId) {
- const QMetaObject *meta = metaObject(obj);
- Q_ASSERT(_classInfo.contains(meta));
- if(!_classInfo[meta]->minArgCount.contains(methodId))
- setMinArgCount(obj, methodId);
- return _classInfo[meta]->minArgCount[methodId];
-}
-
-void SignalProxy::setMethodName(QObject *obj, int methodId) {
- const QMetaObject *meta = metaObject(obj);
- QByteArray method(::methodName(meta->method(methodId)));
- Q_ASSERT(!_classInfo[meta]->methodNames.contains(methodId));
- _classInfo[meta]->methodNames[methodId] = method;
-}
-
-const QByteArray &SignalProxy::methodName(QObject *obj, int methodId) {
- const QMetaObject *meta = metaObject(obj);
- Q_ASSERT(_classInfo.contains(meta));
- if(!_classInfo[meta]->methodNames.contains(methodId))
- setMethodName(obj, methodId);
- return _classInfo[meta]->methodNames[methodId];
-}
-
-
-void SignalProxy::setSyncMap(SyncableObject *obj) {
- const QMetaObject *meta = obj->syncMetaObject();
- 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
- QByteArray slotSignature;
- foreach(int slotIdx, slotIndexes) {
- slotSignature = QByteArray(meta->method(slotIdx).signature());
- if(!slotSignature.startsWith("receive"))
- continue;
- syncMap[slotSignature] = slotIdx;
- }
-
- 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.removeAt(slotIndexes.indexOf(matchIdx));
- syncMap[QByteArray(signal.signature())] = matchIdx;
- }
- }
-
- Q_ASSERT(_classInfo[meta]->syncMap.isEmpty());
- _classInfo[meta]->syncMap = syncMap;
-}
-
-const QHash<QByteArray,int> &SignalProxy::syncMap(SyncableObject *obj) {
- const QMetaObject *meta = obj->syncMetaObject();
- Q_ASSERT(_classInfo.contains(meta));
- if(_classInfo[meta]->syncMap.isEmpty())
- setSyncMap(obj);
- return _classInfo[meta]->syncMap;
-}
-
-void SignalProxy::setReceiveMap(SyncableObject *obj) {
- const QMetaObject *meta = obj->syncMetaObject();
- Q_ASSERT(_classInfo.contains(meta));
-
- 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(obj, 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;
- }
- _classInfo[meta]->receiveMap = receiveMap;
-}
-
-const QHash<int, int> &SignalProxy::receiveMap(SyncableObject *obj) {
- const QMetaObject *meta = obj->syncMetaObject();
- Q_ASSERT(_classInfo.contains(meta));
- if(_classInfo[meta]->receiveMap.isEmpty())
- setReceiveMap(obj);
- return _classInfo[meta]->receiveMap;
-}
-
-void SignalProxy::setUpdatedRemotelyId(SyncableObject *obj) {
- const QMetaObject *meta = obj->syncMetaObject();
- Q_ASSERT(_classInfo.contains(meta));
- _classInfo[meta]->updatedRemotelyId = meta->indexOfSignal("updatedRemotely()");
-}
-
-int SignalProxy::updatedRemotelyId(SyncableObject *obj) {
- Q_ASSERT(_classInfo.contains(obj->syncMetaObject()));
- return _classInfo[obj->syncMetaObject()]->updatedRemotelyId;
-}
-
-const QMetaObject *SignalProxy::metaObject(QObject *obj) {
- if(SyncableObject *syncObject = qobject_cast<SyncableObject *>(obj))
+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::createClassInfo(QObject *obj) {
- const QMetaObject *meta = metaObject(obj);
- if(_classInfo.contains(meta))
- return;
+SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObject *meta) const {
+ if(_extendedMetaObjects.contains(meta))
+ return _extendedMetaObjects[meta];
+ else
+ return 0;
+}
- ClassInfo *classInfo = new ClassInfo();
- _classInfo[meta] = classInfo;
+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 = metaObject(sender);
+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) {
return false;
}
- createClassInfo(sender);
-
- SignalRelay* relay;
- if(_relayHash.contains(sender))
- relay = _relayHash[sender];
- else
- relay = _relayHash[sender] = new SignalRelay(this, sender);
-
- relay->attachSignal(methodId, sigName);
+ 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));
return false;
}
- createClassInfo(recv);
+ createExtendedMetaObject(meta);
QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
_attachedSlots.insert(funcName, qMakePair(recv, methodId));
- QObject::disconnect(recv, SIGNAL(destroyed()), this, SLOT(detachSender()));
- QObject::connect(recv, SIGNAL(destroyed()), this, SLOT(detachSender()));
+ 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) {
- createClassInfo(obj);
- setUpdatedRemotelyId(obj);
+ ExtendedMetaObject *eMeta = createExtendedMetaObject(obj);
- // attaching all the Signals
- SignalRelay* relay;
- if(_relayHash.contains(obj))
- relay = _relayHash[obj];
- else
- relay = _relayHash[obj] = new SignalRelay(this, obj);
+ SyncRelay *relay;
+ if(!_syncRelays.contains(obj->syncMetaObject())) {
+ _syncRelays[obj->syncMetaObject()] = new SyncRelay(eMeta, this);
+ }
+ relay = _syncRelays[obj->syncMetaObject()];
- relay->setSynchronize(true);
+ relay->synchronize(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) {
connect(obj, SIGNAL(objectRenamed(QString, QString)), this, SLOT(objectRenamed(QString, QString)));
}
}
-void SignalProxy::requestInit(SyncableObject *obj) {
- if(proxyMode() == Server || obj->isInitialized())
- return;
-
- QVariantList params;
- params << obj->syncMetaObject()->className()
- << obj->objectName();
- dispatchSignal(InitRequest, params);
-}
-
-void SignalProxy::detachSender() {
- detachObject(sender());
-}
-
-void SignalProxy::detachObject(QObject* obj) {
+void SignalProxy::detachObject(QObject *obj) {
+ stopSync(obj);
detachSignals(obj);
detachSlots(obj);
- stopSync(static_cast<SyncableObject *>(obj));
}
-void SignalProxy::detachSignals(QObject* sender) {
- if(!_relayHash.contains(sender))
- return;
- _relayHash.take(sender)->deleteLater();
+void SignalProxy::detachSignals(QObject *sender) {
+ _signalRelay->detachSignal(sender);
}
void SignalProxy::detachSlots(QObject* receiver) {
}
}
-void SignalProxy::stopSync(SyncableObject* obj) {
- if(_relayHash.contains(obj))
- _relayHash[obj]->setSynchronize(false);
+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*
case AbstractPeer::IODevicePeer:
{
IODevicePeer *ioPeer = static_cast<IODevicePeer *>(*peer);
- ioPeer->dispatchPackedFunc(packedFunc);
+ if(ioPeer->isOpen())
+ ioPeer->dispatchPackedFunc(packedFunc);
+ else
+ QCoreApplication::postEvent(this, new RemovePeerEvent(peer.key()));
}
break;
case AbstractPeer::SignalProxyPeer:
}
SyncableObject *receiver = _syncSlave[className][objectName];
- if(!syncMap(receiver).contains(signal)) {
+ 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 = syncMap(receiver)[signal];
+ int slotId = eMeta->syncMap()[signal];
- QVariant returnValue((QVariant::Type)returnType(receiver, slotId));
+ QVariant returnValue((QVariant::Type)eMeta->returnType(slotId));
if(!invokeSlot(receiver, slotId, params, returnValue)) {
- qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", methodName(receiver, slotId).constData());
+ qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
return;
}
- if(returnValue.type() != QVariant::Invalid && receiveMap(receiver).contains(slotId)) {
- int receiverId = receiveMap(receiver)[slotId];
+ 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(argTypes(receiver, receiverId).count() > 1)
+ if(eMeta->argTypes(receiverId).count() > 1)
returnParams << params;
returnParams << returnValue;
sender->dispatchSignal(Sync, returnParams);
}
// send emit update signal
- invokeSlot(receiver, updatedRemotelyId(receiver));
+ invokeSlot(receiver, eMeta->updatedRemotelyId());
}
void SignalProxy::handleInitRequest(AbstractPeer *sender, const QVariantList ¶ms) {
while(slot != _attachedSlots.constEnd() && slot.key() == funcName) {
receiver = (*slot).first;
methodId = (*slot).second;
- if(!invokeSlot(receiver, methodId, params))
- qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", methodName(receiver, methodId).constData());
+ if(!invokeSlot(receiver, methodId, params)) {
+ 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) {
- const QList<int> args = argTypes(receiver, methodId);
+ ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
+ const QList<int> args = eMeta->argTypes(methodId);
const int numArgs = params.count() < args.count()
? params.count()
: args.count();
- if(minArgCount(receiver, methodId) > params.count()) {
- qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << methodName(receiver, methodId);
+ if(eMeta->minArgCount(methodId) > params.count()) {
+ qWarning() << "SignalProxy::invokeSlot(): not enough params to invoke" << eMeta->methodName(methodId);
return false;
}
return false;
}
if(args[i] != QMetaType::type(params[i].typeName())) {
- qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << methodName(receiver, methodId);
+ qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
return false;
}
_a[i+1] = const_cast<void *>(params[i].constData());
? Qt::DirectConnection
: Qt::QueuedConnection;
- if (type == Qt::DirectConnection) {
+ if(type == Qt::DirectConnection) {
return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
} else {
qWarning() << "Queued Connections are not implemented yet";
}
if(blockSize > 1 << 22) {
- qWarning() << qPrintable(tr("Client tried to send package larger than max package size!"));
- QAbstractSocket *sock = qobject_cast<QAbstractSocket *>(dev);
- qWarning() << qPrintable(tr("Disconnecting")) << (sock ? qPrintable(sock->peerAddress().toString()) : qPrintable(tr("local client")));
- dev->close();
+ disconnectDevice(dev, tr("Peer tried to send package larger than max package size!"));
+ return false;
+ }
+
+ if(blockSize == 0) {
+ disconnectDevice(dev, tr("Peer tried to send 0 byte package!"));
return false;
}
if(dev->bytesAvailable() < blockSize)
return false;
+ blockSize = 0;
+
if(compressed) {
QByteArray rawItem;
in >> rawItem;
- // debug check
+
int nbytes = rawItem.size();
- if (nbytes <= 4) {
+ if(nbytes <= 4) {
const char *data = rawItem.constData();
- if (nbytes < 4 || (data[0]!=0 || data[1]!=0 || data[2]!=0 || data[3]!=0))
- qWarning() << "receieved corrupted compressed data:"
- << blockSize << rawItem << rawItem.size() << dev;
+ 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;
+ }
}
- // end
+
rawItem = qUncompress(rawItem);
QDataStream itemStream(&rawItem, QIODevice::ReadOnly);
in >> item;
}
- blockSize = 0;
-
- return true;
-}
-
-bool SignalProxy::methodsMatch(const QMetaMethod &signal, const QMetaMethod &slot) const {
- // if we don't even have the same basename it's a sure NO
- if(methodBaseName(signal) != methodBaseName(slot))
- return false;
-
- // are the signatures compatible?
- if(!QObject::staticMetaObject.checkConnectArgs(signal.signature(), slot.signature()))
+ if(!item.isValid()) {
+ disconnectDevice(dev, tr("Peer sent corrupt data: unable to load QVariant!"));
return false;
+ }
- // we take an educated guess if the signals and slots match
- QString signalsuffix = ::methodName(signal).mid(QString(::methodName(signal)).lastIndexOf(QRegExp("[A-Z]"))).toLower();
- QString slotprefix = ::methodName(slot).left(QString(::methodName(slot)).indexOf(QRegExp("[A-Z]"))).toLower();
-
- uint sizediff = qAbs(slotprefix.size() - signalsuffix.size());
- int ratio = editingDistance(slotprefix, signalsuffix) - sizediff;
- return (ratio < 2);
+ return true;
}
-QString SignalProxy::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();
+void SignalProxy::requestInit(SyncableObject *obj) {
+ if(proxyMode() == Server || obj->isInitialized())
+ return;
- return methodname;
+ QVariantList params;
+ params << obj->syncMetaObject()->className()
+ << obj->objectName();
+ dispatchSignal(InitRequest, params);
}
QVariantMap SignalProxy::initData(SyncableObject *obj) const {
obj->fromVariantMap(properties);
obj->setInitialized();
emit objectInitialized(obj);
- invokeSlot(obj, updatedRemotelyId(obj));
+ invokeSlot(obj, extendedMetaObject(obj)->updatedRemotelyId());
}
void SignalProxy::sendHeartBeat() {
void SignalProxy::customEvent(QEvent *event) {
switch(event->type()) {
- case QEvent::User:
+ case PeerSignal:
{
- PeerSignalEvent *
sig = static_cast<PeerSignalEvent *>(event);
- receivePeerSignal(sig->sender, sig->requestType, sig->params);
+ 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);
+ }
+ 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();
+}
+
void SignalProxy::updateLag(IODevicePeer *peer, int lag) {
peer->lag = lag;
if(proxyMode() == Client) {
}
}
-
void SignalProxy::dumpProxyStats() {
QString mode;
if(proxyMode() == Server)
mode = "Client";
int sigCount = 0;
- foreach(SignalRelay *relay, _relayHash.values())
- sigCount += relay->sigCount();
+ foreach(SyncRelay *relay, _syncRelays.values())
+ sigCount += relay->signalCount();
int slaveCount = 0;
foreach(ObjectId oid, _syncSlave.values())
qDebug() << this;
qDebug() << " Proxy Mode:" << mode;
- qDebug() << "attached sending Objects:" << _relayHash.count();
+ // 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:" << _classInfo.count();
+ 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_ = syncMap(object);
+ QHash<QByteArray, int> syncMap_ = eMeta->syncMap();
QHash<QByteArray, int>::const_iterator iter = syncMap_.constBegin();
while(iter != syncMap_.constEnd()) {
- qDebug() << iter.key() << "-->" << iter.value() << meta->method(iter.value()).signature();
+ qDebug() << qPrintable(QString("%1 --> %2 %3").arg(QString(iter.key()), 40).arg(iter.value()).arg(QString(meta->method(iter.value()).signature())));
iter++;
}
-// QHash<int, int> syncMap_ = syncMap(object);
-// QHash<int, int>::const_iterator iter = syncMap_.constBegin();
-// while(iter != syncMap_.constEnd()) {
-// qDebug() << iter.key() << meta->method(iter.key()).signature() << "-->" << iter.value() << meta->method(iter.value()).signature();
-// iter++;
-// }
}
+
+void SignalProxy::updateSecureState() {
+ bool wasSecure = _secure;
+
+ _secure = !_peers.isEmpty();
+ PeerHash::const_iterator peerIter;
+ for(peerIter = _peers.constBegin(); peerIter != _peers.constEnd(); peerIter++) {
+ _secure &= (*peerIter)->isSecure();
+ }
+
+ if(wasSecure != _secure)
+ emit secureStateChanged(_secure);
+}
+
+
+// ==================================================
+// ExtendedMetaObject
+// ==================================================
+SignalProxy::ExtendedMetaObject::ExtendedMetaObject(const QMetaObject *meta)
+ : _meta(meta),
+ _updatedRemotelyId(-1)
+{
+}
+
+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];
+}
+
+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 QByteArray &SignalProxy::ExtendedMetaObject::methodName(int methodId) {
+ if(!_methodNames.contains(methodId)) {
+ _methodNames[methodId] = methodName(_meta->method(methodId));
+ }
+ return _methodNames[methodId];
+}
+
+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;
+
+ 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;
+}
+
+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);
+
+ // 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;
+}
+
projects / quassel.git / blobdiff