#include <QObject>
#include <QIODevice>
#include <QAbstractSocket>
+#include <QHostAddress>
#include <QHash>
#include <QMultiHash>
#include <QList>
#include <QMetaProperty>
#include <QRegExp>
#include <QThread>
+#include <QTime>
+#include <QEvent>
+#include <QCoreApplication>
#include "syncableobject.h"
#include "util.h"
-class SignalRelay: public QObject {
+// ==================================================
+// PeerSignalEvent
+// ==================================================
+class PeerSignalEvent : public QEvent {
+public:
+ PeerSignalEvent(SignalProxy *sender, SignalProxy::RequestType requestType, const QVariantList ¶ms) : QEvent(QEvent::User), sender(sender), requestType(requestType), params(params) {}
+ SignalProxy *sender;
+ SignalProxy::RequestType requestType;
+ QVariantList params;
+};
+// ==================================================
+// SIGNALRELAY
+// ==================================================
+class 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)
void setSynchronize(bool);
bool synchronize() const;
-
+
int sigCount() const;
-
+
private:
bool isSyncMethod(int i);
-
+
SignalProxy* proxy;
QObject* caller;
QMultiHash<int, QByteArray> sigNames;
}
QMultiHash<int, QByteArray>::const_iterator funcIter = sigNames.constFind(_id);
while(funcIter != sigNames.constEnd() && funcIter.key() == _id) {
- proxy->dispatchSignal(funcIter.value(), params);
+ proxy->dispatchSignal(SignalProxy::RpcCall, QVariantList() << funcIter.value() << params);
funcIter++;
}
-
+
// dispatch Sync Signal if necessary
QByteArray signature(caller->metaObject()->method(_id).signature());
- if(synchronize() && proxy->syncMap(qobject_cast<SyncableObject *>(caller)).contains(signature)) {
+ SyncableObject *syncObject = qobject_cast<SyncableObject *>(caller);
+ if(synchronize() && proxy->syncMap(syncObject).contains(signature)) {
//qDebug() << "__SYNC__ >>>"
// << caller->metaObject()->className()
// << caller->objectName()
// << params;
// params.prepend(QVariant(_id));
params.prepend(signature);
- params.prepend(caller->objectName());
- params.prepend(caller->metaObject()->className());
- proxy->dispatchSignal((int)SignalProxy::Sync, params);
+ params.prepend(syncObject->objectName());
+ params.prepend(syncObject->syncMetaObject()->className());
+ proxy->dispatchSignal(SignalProxy::Sync, params);
}
}
_id -= QObject::staticMetaObject.methodCount();
}
void SignalRelay::setSynchronize(bool sync) {
- const QMetaObject *meta = caller->metaObject();
+ 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++ ) {
}
bool SignalRelay::isSyncMethod(int i) {
- QByteArray signature = caller->metaObject()->method(i).signature();
- if(!proxy->syncMap(qobject_cast<SyncableObject *>(caller)).contains(signature))
+ 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;
}
sigNames.insert(methodId, fn);
}
-// ====================
-// END SIGNALRELAY
-// ====================
+// ==================================================
+// Peers
+// ==================================================
+void SignalProxy::IODevicePeer::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) {
+ QVariantList packedFunc;
+ packedFunc << (qint16)requestType
+ << params;
+ dispatchPackedFunc(QVariant(packedFunc));
+}
+
+QString SignalProxy::IODevicePeer::address() const {
+ QAbstractSocket *socket = qobject_cast<QAbstractSocket *>(_device);
+ if(socket)
+ return socket->peerAddress().toString();
+ else
+ return QString();
+}
+
+void SignalProxy::SignalProxyPeer::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) {
+ Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
+ ? Qt::DirectConnection
+ : Qt::QueuedConnection;
+
+ if(type == Qt::DirectConnection) {
+ receiver->receivePeerSignal(sender, requestType, params);
+ } else {
+ QCoreApplication::postEvent(receiver, new PeerSignalEvent(sender, requestType, params));
+ }
+}
-// ====================
+// ==================================================
// SignalProxy
-// ====================
+// ==================================================
SignalProxy::SignalProxy(QObject* parent)
: QObject(parent)
{
setProxyMode(Client);
+ init();
}
SignalProxy::SignalProxy(ProxyMode mode, QObject* parent)
: QObject(parent)
{
setProxyMode(mode);
+ init();
}
SignalProxy::SignalProxy(ProxyMode mode, QIODevice* device, QObject* parent)
{
setProxyMode(mode);
addPeer(device);
-}
+ init();
+}
SignalProxy::~SignalProxy() {
QList<QObject*> senders = _relayHash.keys();
foreach(QObject* sender, senders)
detachObject(sender);
+ removeAllPeers();
}
void SignalProxy::setProxyMode(ProxyMode mode) {
- foreach(QIODevice* peer, _peerByteCount.keys()) {
- if(peer->isOpen()) {
- qWarning() << "SignalProxy: Cannot change proxy mode while connected";
+ PeerHash::iterator peer = _peers.begin();
+ while(peer != _peers.end()) {
+ if((*peer)->type() != AbstractPeer::IODevicePeer) {
+ IODevicePeer *ioPeer = static_cast<IODevicePeer *>(*peer);
+ if(ioPeer->isOpen()) {
+ qWarning() << "SignalProxy: Cannot change proxy mode while connected";
+ return;
+ }
+ }
+ if((*peer)->type() != AbstractPeer::SignalProxyPeer) {
+ qWarning() << "SignalProxy: Cannot change proxy mode while connected to another internal SignalProxy";
return;
}
+ peer++;
}
+
_proxyMode = mode;
if(mode == Server)
initServer();
initClient();
}
-SignalProxy::ProxyMode SignalProxy::proxyMode() const {
- return _proxyMode;
+void SignalProxy::init() {
+ connect(&_heartBeatTimer, SIGNAL(timeout()), this, SLOT(sendHeartBeat()));
+ _heartBeatTimer.start(30 * 1000);
}
void SignalProxy::initServer() {
bool SignalProxy::addPeer(QIODevice* iodev) {
if(!iodev)
return false;
-
- if(_peerByteCount.contains(iodev))
+
+ if(_peers.contains(iodev))
return true;
- if(proxyMode() == Client && !_peerByteCount.isEmpty()) {
+ if(proxyMode() == Client && !_peers.isEmpty()) {
qWarning("SignalProxy: only one peer allowed in client mode!");
return false;
}
connect(sock, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
}
- _peerByteCount[iodev] = 0;
+ if(!sock->parent())
+ sock->setParent(this);
+
+ _peers[iodev] = new IODevicePeer(iodev, iodev->property("UseCompression").toBool());
- if(_peerByteCount.count() == 1)
+ if(_peers.count() == 1)
emit connected();
return true;
}
-void SignalProxy::removePeerBySender() {
- // OK we're brutal here... but since it's a private slot we know what we've got connected to it...
- QIODevice *ioDev = (QIODevice *)(sender());
- removePeer(ioDev);
- qDebug() << "Client disconnected.";
-}
+bool SignalProxy::addPeer(SignalProxy* proxy) {
+ if(!proxy)
+ return false;
-void SignalProxy::objectRenamed(QString oldname, QString newname) {
- const QMetaObject *meta = sender()->metaObject();
- const QByteArray className(meta->className());
- objectRenamed(className, oldname, newname);
+ if(proxyMode() == proxy->proxyMode()) {
+ qWarning() << "SignalProxy::addPeer(): adding a SignalProxy as peer requires one proxy to be server and one client!";
+ return false;
+ }
- if(proxyMode() == Client)
- return;
-
- QVariantList params;
- params << className << oldname << newname;
- dispatchSignal("__objectRenamed__", params);
-}
+ if(_peers.contains(proxy)) {
+ return true;
+ }
-void SignalProxy::objectRenamed(QByteArray classname, QString oldname, QString newname) {
- if(_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname)
- _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
+ if(proxyMode() == Client && !_peers.isEmpty()) {
+ qWarning("SignalProxy: only one peer allowed in client mode!");
+ return false;
+ }
+
+ _peers[proxy] = new SignalProxyPeer(this, proxy);
+ proxy->addPeer(this);
+
+ if(_peers.count() == 1)
+ emit connected();
+
+ return true;
}
+void SignalProxy::removeAllPeers() {
+ Q_ASSERT(proxyMode() == Server || _peers.count() <= 1);
+ // wee need to copy that list since we modify it in the loop
+ QList<QObject *> peers = _peers.keys();
+ foreach(QObject *peer, peers) {
+ removePeer(peer);
+ }
+}
-void SignalProxy::removePeer(QIODevice* iodev) {
- if(_peerByteCount.isEmpty()) {
- qWarning() << "SignalProxy: No peers in use!";
+void SignalProxy::removePeer(QObject* dev) {
+ if(_peers.isEmpty()) {
+ qWarning() << "SignalProxy::removePeer(): No peers in use!";
return;
}
- if(proxyMode() == Server && !iodev) {
- // disconnect all
- QList<QIODevice *> peers = _peerByteCount.keys();
- foreach(QIODevice *peer, peers)
- removePeer(peer);
+ Q_ASSERT(dev);
+ if(!_peers.contains(dev)) {
+ qWarning() << "SignalProxy: unknown Peer" << dev;
+ return;
}
- if(proxyMode() != Server && !iodev)
- iodev = _peerByteCount.keys().first();
+ AbstractPeer *peer = _peers[dev];
+ _peers.remove(dev);
- Q_ASSERT(iodev);
+ disconnect(dev, 0, this, 0);
+ if(peer->type() == AbstractPeer::IODevicePeer)
+ emit peerRemoved(static_cast<QIODevice *>(dev));
- if(!_peerByteCount.contains(iodev)) {
- qWarning() << "SignalProxy: unknown QIODevice" << iodev;
- return;
+ if(peer->type() == AbstractPeer::SignalProxyPeer) {
+ SignalProxy *proxy = static_cast<SignalProxy *>(dev);
+ if(proxy->_peers.contains(this))
+ proxy->removePeer(this);
}
-
- // take a last gasp
- while(true) {
- QVariant var;
- if(readDataFromDevice(iodev, _peerByteCount[iodev], var))
- receivePeerSignal(iodev, var);
- else
- break;
- }
- _peerByteCount.remove(iodev);
- disconnect(iodev, 0, this, 0);
- emit peerRemoved(iodev);
- if(_peerByteCount.isEmpty())
+ if(dev->parent() == this)
+ dev->deleteLater();
+
+ delete peer;
+
+ if(_peers.isEmpty())
emit disconnected();
}
+void SignalProxy::removePeerBySender() {
+ removePeer(sender());
+}
+
+void SignalProxy::objectRenamed(const QString &newname, const QString &oldname) {
+ SyncableObject *syncObject = qobject_cast<SyncableObject *>(sender());
+ const QMetaObject *meta = syncObject->metaObject();
+ const QByteArray className(meta->className());
+ objectRenamed(className, newname, oldname);
+
+ if(proxyMode() == Client)
+ return;
+
+ QVariantList params;
+ params << "__objectRenamed__" << className << newname << oldname;
+ dispatchSignal(RpcCall, params);
+}
+
+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);
+ }
+}
+
void SignalProxy::setArgTypes(QObject* obj, int methodId) {
- const QMetaObject *meta = obj->metaObject();
+ const QMetaObject *meta = metaObject(obj);
QList<QByteArray> p = meta->method(methodId).parameterTypes();
QList<int> argTypes;
int ct = p.count();
}
const QList<int> &SignalProxy::argTypes(QObject *obj, int methodId) {
- Q_ASSERT(_classInfo.contains(obj->metaObject()));
- if(!_classInfo[obj->metaObject()]->argTypes.contains(methodId))
+ const QMetaObject *meta = metaObject(obj);
+ Q_ASSERT(_classInfo.contains(meta));
+ if(!_classInfo[meta]->argTypes.contains(methodId))
setArgTypes(obj, methodId);
- return _classInfo[obj->metaObject()]->argTypes[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 = obj->metaObject();
+ 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));
}
const int &SignalProxy::minArgCount(QObject *obj, int methodId) {
- Q_ASSERT(_classInfo.contains(obj->metaObject()));
- if(!_classInfo[obj->metaObject()]->minArgCount.contains(methodId))
+ const QMetaObject *meta = metaObject(obj);
+ Q_ASSERT(_classInfo.contains(meta));
+ if(!_classInfo[meta]->minArgCount.contains(methodId))
setMinArgCount(obj, methodId);
- return _classInfo[obj->metaObject()]->minArgCount[methodId];
+ return _classInfo[meta]->minArgCount[methodId];
}
void SignalProxy::setMethodName(QObject *obj, int methodId) {
- const QMetaObject *meta = obj->metaObject();
+ 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) {
- Q_ASSERT(_classInfo.contains(obj->metaObject()));
- if(!_classInfo[obj->metaObject()]->methodNames.contains(methodId))
+ const QMetaObject *meta = metaObject(obj);
+ Q_ASSERT(_classInfo.contains(meta));
+ if(!_classInfo[meta]->methodNames.contains(methodId))
setMethodName(obj, methodId);
- return _classInfo[obj->metaObject()]->methodNames[methodId];
+ return _classInfo[meta]->methodNames[methodId];
}
void SignalProxy::setSyncMap(SyncableObject *obj) {
- const QMetaObject *meta = obj->metaObject();
+ 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++) {
}
const QHash<QByteArray,int> &SignalProxy::syncMap(SyncableObject *obj) {
- Q_ASSERT(_classInfo.contains(obj->metaObject()));
- if(_classInfo[obj->metaObject()]->syncMap.isEmpty())
+ const QMetaObject *meta = obj->syncMetaObject();
+ Q_ASSERT(_classInfo.contains(meta));
+ if(_classInfo[meta]->syncMap.isEmpty())
setSyncMap(obj);
- return _classInfo[obj->metaObject()]->syncMap;
+ return _classInfo[meta]->syncMap;
}
-void SignalProxy::setUpdatedRemotelyId(QObject *obj) {
- const QMetaObject *meta = obj->metaObject();
+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->metaObject()));
- return _classInfo[obj->metaObject()]->updatedRemotelyId;
+ Q_ASSERT(_classInfo.contains(obj->syncMetaObject()));
+ return _classInfo[obj->syncMetaObject()]->updatedRemotelyId;
+}
+
+const QMetaObject *SignalProxy::metaObject(QObject *obj) {
+ if(SyncableObject *syncObject = qobject_cast<SyncableObject *>(obj))
+ return syncObject->syncMetaObject();
+ else
+ return obj->metaObject();
}
void SignalProxy::createClassInfo(QObject *obj) {
- if(_classInfo.contains(obj->metaObject()))
+ const QMetaObject *meta = metaObject(obj);
+ if(_classInfo.contains(meta))
return;
ClassInfo *classInfo = new ClassInfo();
- _classInfo[obj->metaObject()] = classInfo;
- setUpdatedRemotelyId(obj);
+ _classInfo[meta] = classInfo;
}
bool SignalProxy::attachSignal(QObject* sender, const char* signal, const QByteArray& sigName) {
- const QMetaObject* meta = sender->metaObject();
+ const QMetaObject* meta = metaObject(sender);
QByteArray sig(meta->normalizedSignature(signal).mid(1));
int methodId = meta->indexOfMethod(sig.constData());
if(methodId == -1 || meta->method(methodId).methodType() != QMetaMethod::Signal) {
void SignalProxy::synchronize(SyncableObject *obj) {
createClassInfo(obj);
+ setUpdatedRemotelyId(obj);
// attaching all the Signals
SignalRelay* relay;
relay->setSynchronize(true);
// attaching as slave to receive sync Calls
- QByteArray className(obj->metaObject()->className());
+ QByteArray className(obj->syncMetaObject()->className());
_syncSlave[className][obj->objectName()] = obj;
if(proxyMode() == Server) {
- if(obj->metaObject()->indexOfSignal(QMetaObject::normalizedSignature("renameObject(QString, QString)")) != -1)
- connect(obj, SIGNAL(renameObject(QString, QString)), this, SLOT(objectRenamed(QString, QString)));
-
- setInitialized(obj);
+ connect(obj, SIGNAL(objectRenamed(QString, QString)), this, SLOT(objectRenamed(QString, QString)));
+ obj->setInitialized();
+ emit objectInitialized(obj);
} else {
- requestInit(obj);
+ if(obj->isInitialized())
+ emit objectInitialized(obj);
+ else
+ requestInit(obj);
}
}
-void SignalProxy::setInitialized(SyncableObject *obj) {
- obj->setInitialized();
- emit objectInitialized(obj);
-}
-
-bool SignalProxy::isInitialized(SyncableObject *obj) const {
- return obj->isInitialized();
-}
-
void SignalProxy::requestInit(SyncableObject *obj) {
- if(proxyMode() == Server || isInitialized(obj))
+ if(proxyMode() == Server || obj->isInitialized())
return;
QVariantList params;
- params << obj->metaObject()->className()
+ params << obj->syncMetaObject()->className()
<< obj->objectName();
- dispatchSignal((int)InitRequest, params);
+ dispatchSignal(InitRequest, params);
}
void SignalProxy::detachSender() {
}
}
-void SignalProxy::dispatchSignal(QIODevice *receiver, const QVariant &identifier, const QVariantList ¶ms) {
- QVariantList packedFunc;
- packedFunc << identifier;
- packedFunc << params;
- writeDataToDevice(receiver, QVariant(packedFunc));
-}
-
-void SignalProxy::dispatchSignal(const QVariant &identifier, const QVariantList ¶ms) {
- // yes I know we have a little code duplication here... it's for the sake of performance
- QVariantList packedFunc;
- packedFunc << identifier;
- packedFunc << params;
- foreach(QIODevice* dev, _peerByteCount.keys())
- writeDataToDevice(dev, QVariant(packedFunc));
+void SignalProxy::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) {
+ QVariant packedFunc(QVariantList() << (qint16)requestType << params);
+ PeerHash::iterator peer = _peers.begin();
+ while(peer != _peers.end()) {
+ switch((*peer)->type()) {
+ case AbstractPeer::IODevicePeer:
+ {
+ IODevicePeer *ioPeer = static_cast<IODevicePeer *>(*peer);
+ ioPeer->dispatchPackedFunc(packedFunc);
+ }
+ break;
+ case AbstractPeer::SignalProxyPeer:
+ (*peer)->dispatchSignal(requestType, params);
+ break;
+ default:
+ Q_ASSERT(false); // there shouldn't be any peers with wrong / unknown type
+ }
+ peer++;
+ }
}
-void SignalProxy::receivePeerSignal(QIODevice *sender, const QVariant &packedFunc) {
+void SignalProxy::receivePackedFunc(AbstractPeer *sender, const QVariant &packedFunc) {
QVariantList params(packedFunc.toList());
- QVariant call = params.takeFirst();
- if(call.type() != QVariant::Int)
- return handleSignal(call.toByteArray(), params);
+ if(params.isEmpty()) {
+ qWarning() << "SignalProxy::receivePeerSignal(): received incompatible Data:" << packedFunc;
+ return;
+ }
+
+ RequestType requestType = (RequestType)params.takeFirst().value<int>();
+ receivePeerSignal(sender, requestType, params);
+}
+
+void SignalProxy::receivePeerSignal(AbstractPeer *sender, const RequestType &requestType, const QVariantList ¶ms) {
+ switch(requestType) {
+ case RpcCall:
+ if(params.empty())
+ qWarning() << "SignalProxy::receivePeerSignal(): received empty RPC-Call";
+ else
+ handleSignal(params);
+ //handleSignal(params.takeFirst().toByteArray(), params);
+ break;
- switch(call.toInt()) {
case Sync:
- return handleSync(params);
+ handleSync(sender, params);
+ break;
+
case InitRequest:
- return handleInitRequest(sender, params);
+ handleInitRequest(sender, params);
+ break;
+
case InitData:
- return handleInitData(sender, params);
+ handleInitData(sender, params);
+ break;
+
+ case HeartBeat:
+ receiveHeartBeat(sender, params);
+ break;
+
+ case HeartBeatReply:
+ receiveHeartBeatReply(sender, params);
+ break;
+
default:
- qWarning() << "received undefined CallType" << call.toInt();
+ qWarning() << "SignalProxy::receivePeerSignal(): received undefined CallType" << requestType << params;
+ }
+}
+
+void SignalProxy::receivePeerSignal(SignalProxy *sender, const RequestType &requestType, const QVariantList ¶ms) {
+ if(!_peers.contains(sender)) {
+ // we output only the pointer value. otherwise Qt would try to pretty print. As the object might already been destroyed, this is not a good idea.
+ qWarning() << "SignalProxy::receivePeerSignal(): received Signal from unknown Proxy" << reinterpret_cast<void *>(sender);
return;
}
+ receivePeerSignal(_peers[sender], requestType, params);
}
-void SignalProxy::handleSync(QVariantList params) {
+void SignalProxy::handleSync(AbstractPeer *sender, QVariantList params) {
if(params.count() < 3) {
qWarning() << "received invalid Sync call" << params;
return;
}
-
+
QByteArray className = params.takeFirst().toByteArray();
QString objectName = params.takeFirst().toString();
QByteArray signal = params.takeFirst().toByteArray();
if(!_syncSlave.contains(className) || !_syncSlave[className].contains(objectName)) {
- qWarning() << QString("no registered receiver for sync call: %s::%s (objectName=\"%s\"). 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(signal)).arg(objectName)
<< params;
return;
}
SyncableObject *receiver = _syncSlave[className][objectName];
if(!syncMap(receiver).contains(signal)) {
- qWarning() << QString("no matching slot for sync call: %s::%s (objectName=\"%s\"). Params are:").arg(QString(className)).arg(QString(signal)).arg(objectName)
+ 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];
- if(!invokeSlot(receiver, slotId, params)) {
+
+ QVariant returnValue((QVariant::Type)returnType(receiver, slotId));
+ if(!invokeSlot(receiver, slotId, params, returnValue)) {
qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", methodName(receiver, slotId).constData());
return;
}
+
+ if(returnValue.type() != QVariant::Invalid && receiveMap(receiver).contains(slotId)) {
+ int receiverId = receiveMap(receiver)[slotId];
+ QVariantList returnParams;
+ returnParams << className
+ << objectName
+ << QByteArray(receiver->metaObject()->method(receiverId).signature());
+ if(argTypes(receiver, receiverId).count() > 1)
+ returnParams << params;
+ returnParams << returnValue;
+ sender->dispatchSignal(Sync, returnParams);
+ }
+
+ // send emit update signal
invokeSlot(receiver, updatedRemotelyId(receiver));
}
-void SignalProxy::handleInitRequest(QIODevice *sender, const QVariantList ¶ms) {
+void SignalProxy::handleInitRequest(AbstractPeer *sender, const QVariantList ¶ms) {
if(params.count() != 2) {
qWarning() << "SignalProxy::handleInitRequest() received initRequest with invalid param Count:"
<< params;
return;
}
-
+
QByteArray className(params[0].toByteArray());
QString objectName(params[1].toString());
-
+
if(!_syncSlave.contains(className)) {
qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
<< className;
<< className << objectName;
return;
}
-
+
SyncableObject *obj = _syncSlave[className][objectName];
QVariantList params_;
- params_ << obj->metaObject()->className()
- << obj->objectName()
+ params_ << className
+ << objectName
<< initData(obj);
- dispatchSignal(sender, (int)InitData, params_);
+ sender->dispatchSignal(InitData, params_);
}
-void SignalProxy::handleInitData(QIODevice *sender, const QVariantList ¶ms) {
+void SignalProxy::handleInitData(AbstractPeer *sender, const QVariantList ¶ms) {
Q_UNUSED(sender)
if(params.count() != 3) {
qWarning() << "SignalProxy::handleInitData() received initData with invalid param Count:"
<< params;
return;
}
-
+
QByteArray className(params[0].toByteArray());
QString objectName(params[1].toString());
QVariantMap propertyMap(params[2].toMap());
setInitData(obj, propertyMap);
}
-void SignalProxy::handleSignal(const QByteArray &funcName, const QVariantList ¶ms) {
+//void SignalProxy::handleSignal(const QByteArray &funcName, const QVariantList ¶ms) {
+void SignalProxy::handleSignal(const QVariantList &data) {
+ QVariantList params = data;
+ QByteArray funcName = params.takeFirst().toByteArray();
+
QObject* receiver;
int methodId;
SlotHash::const_iterator slot = _attachedSlots.constFind(funcName);
}
}
-bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms) {
+bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue) {
const QList<int> args = argTypes(receiver, methodId);
const int numArgs = params.count() < args.count()
? params.count()
return false;
}
- void *_a[] = {0, // return type
+ void *_a[] = {0, // return type...
0, 0, 0, 0 , 0, // and 10 args - that's the max size qt can handle with signals and slots
0, 0, 0, 0 , 0};
+
// check for argument compatibility and build params array
for(int i = 0; i < numArgs; i++) {
if(!params[i].isValid()) {
_a[i+1] = const_cast<void *>(params[i].constData());
}
-
+ if(returnValue.type() != QVariant::Invalid)
+ _a[0] = const_cast<void *>(returnValue.constData());
+
Qt::ConnectionType type = QThread::currentThread() == receiver->thread()
? Qt::DirectConnection
: Qt::QueuedConnection;
return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
} else {
qWarning() << "Queued Connections are not implemented yet";
- // not to self: qmetaobject.cpp:990 ff
+ // note to self: qmetaobject.cpp:990 ff
return false;
}
-
+
+}
+
+bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms) {
+ QVariant ret;
+ return invokeSlot(receiver, methodId, params, ret);
}
void SignalProxy::dataAvailable() {
// yet again. it's a private slot. no need for checks.
QIODevice* ioDev = qobject_cast<QIODevice* >(sender());
+ Q_ASSERT(_peers.contains(ioDev) && _peers[ioDev]->type() == AbstractPeer::IODevicePeer);
+ IODevicePeer *peer = static_cast<IODevicePeer *>(_peers[ioDev]);
QVariant var;
- while(readDataFromDevice(ioDev, _peerByteCount[ioDev], var))
- receivePeerSignal(ioDev, var);
+ while(peer->readData(var))
+ receivePackedFunc(peer, var);
}
-void SignalProxy::writeDataToDevice(QIODevice *dev, const QVariant &item) {
+void SignalProxy::writeDataToDevice(QIODevice *dev, const QVariant &item, bool compressed) {
QAbstractSocket* sock = qobject_cast<QAbstractSocket*>(dev);
if(!dev->isOpen() || (sock && sock->state()!=QAbstractSocket::ConnectedState)) {
- qWarning("SignalProxy: Can't call on a closed device");
+ qWarning("SignalProxy: Can't call write on a closed device");
return;
}
+
QByteArray block;
QDataStream out(&block, QIODevice::WriteOnly);
out.setVersion(QDataStream::Qt_4_2);
- out << (quint32)0 << item;
+ out << (quint32)0;
+
+ if(compressed) {
+ QByteArray rawItem;
+ QDataStream itemStream(&rawItem, QIODevice::WriteOnly);
+
+ itemStream.setVersion(QDataStream::Qt_4_2);
+ itemStream << item;
+
+ rawItem = qCompress(rawItem);
+
+ out << rawItem;
+ } else {
+ out << item;
+ }
+
out.device()->seek(0);
out << (quint32)(block.size() - sizeof(quint32));
+
dev->write(block);
}
-bool SignalProxy::readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item) {
+bool SignalProxy::readDataFromDevice(QIODevice *dev, quint32 &blockSize, QVariant &item, bool compressed) {
QDataStream in(dev);
in.setVersion(QDataStream::Qt_4_2);
in >> blockSize;
}
+ 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();
+ return false;
+ }
+
if(dev->bytesAvailable() < blockSize)
return false;
- in >> item;
+
+ if(compressed) {
+ QByteArray rawItem;
+ in >> rawItem;
+ // debug check
+ int nbytes = rawItem.size();
+ if (nbytes <= 4) {
+ const char *data = rawItem.constData();
+ if (nbytes < 4 || (data[0]!=0 || data[1]!=0 || data[2]!=0 || data[3]!=0))
+ qWarning() << "receieved corrupted compressed data:"
+ << blockSize << rawItem << rawItem.size() << dev;
+ }
+ // end
+ rawItem = qUncompress(rawItem);
+
+ QDataStream itemStream(&rawItem, QIODevice::ReadOnly);
+ itemStream.setVersion(QDataStream::Qt_4_2);
+ itemStream >> item;
+ } else {
+ in >> item;
+ }
+
blockSize = 0;
+
return true;
}
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
- methodname = methodname.mid(methodname.indexOf(QRegExp("[A-Z]")));
+ 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
- methodname = methodname.left(methodname.lastIndexOf(QRegExp("[A-Z]")));
+ upperCharPos = methodname.lastIndexOf(QRegExp("[A-Z]"));
+ if(upperCharPos == -1)
+ return QString();
+ methodname = methodname.left(upperCharPos);
}
methodname[0] = methodname[0].toUpper();
}
void SignalProxy::setInitData(SyncableObject *obj, const QVariantMap &properties) {
- if(isInitialized(obj))
+ if(obj->isInitialized())
return;
obj->fromVariantMap(properties);
- setInitialized(obj);
+ obj->setInitialized();
+ emit objectInitialized(obj);
invokeSlot(obj, updatedRemotelyId(obj));
}
+void SignalProxy::sendHeartBeat() {
+ QVariantList heartBeatParams;
+ heartBeatParams << QTime::currentTime();
+ PeerHash::iterator peer = _peers.begin();
+ while(peer != _peers.end()) {
+ if((*peer)->type() == AbstractPeer::IODevicePeer) {
+ IODevicePeer *ioPeer = static_cast<IODevicePeer *>(*peer);
+ ioPeer->dispatchSignal(SignalProxy::HeartBeat, heartBeatParams);
+ if(ioPeer->sentHeartBeats > 0) {
+ updateLag(ioPeer, ioPeer->sentHeartBeats * _heartBeatTimer.interval());
+ }
+ if(ioPeer->sentHeartBeats > 1) {
+ qWarning() << "SignalProxy: Disconnecting peer:" << ioPeer->address()
+ << "(didn't receive a heartbeat for over" << ioPeer->sentHeartBeats * _heartBeatTimer.interval() / 1000 << "seconds)";
+ ioPeer->close();
+ } else {
+ ioPeer->sentHeartBeats++;
+ }
+ }
+ peer++;
+ }
+}
+
+void SignalProxy::receiveHeartBeat(AbstractPeer *peer, const QVariantList ¶ms) {
+ peer->dispatchSignal(SignalProxy::HeartBeatReply, params);
+}
+
+void SignalProxy::receiveHeartBeatReply(AbstractPeer *peer, const QVariantList ¶ms) {
+ if(peer->type() != AbstractPeer::IODevicePeer) {
+ qWarning() << "SignalProxy::receiveHeartBeatReply: received heart beat from a non IODevicePeer!";
+ return;
+ }
+
+ IODevicePeer *ioPeer = static_cast<IODevicePeer *>(peer);
+ ioPeer->sentHeartBeats = 0;
+
+ if(params.isEmpty()) {
+ qWarning() << "SignalProxy: received heart beat reply with less params then sent from:" << ioPeer->address();
+ return;
+ }
+
+ QTime sendTime = params[0].value<QTime>();
+ updateLag(ioPeer, sendTime.msecsTo(QTime::currentTime()) / 2);
+}
+
+void SignalProxy::customEvent(QEvent *event) {
+ switch(event->type()) {
+ case QEvent::User:
+ {
+ PeerSignalEvent *sig = static_cast<PeerSignalEvent *>(event);
+ receivePeerSignal(sig->sender, sig->requestType, sig->params);
+ }
+ event->accept();
+ break;
+ default:
+ return;
+ }
+}
+
+void SignalProxy::updateLag(IODevicePeer *peer, int lag) {
+ peer->lag = lag;
+ if(proxyMode() == Client) {
+ emit lagUpdated(lag);
+ }
+}
+
+
void SignalProxy::dumpProxyStats() {
QString mode;
if(proxyMode() == Server)
int slaveCount = 0;
foreach(ObjectId oid, _syncSlave.values())
slaveCount += oid.count();
-
+
qDebug() << this;
qDebug() << " Proxy Mode:" << mode;
qDebug() << "attached sending Objects:" << _relayHash.count();
QHash<QByteArray, int> syncMap_ = syncMap(object);
QHash<QByteArray, int>::const_iterator iter = syncMap_.constBegin();
while(iter != syncMap_.constEnd()) {
- qDebug() << iter.key() << "-->" << iter.value() << meta->method(iter.value()).signature();
+ qDebug() << iter.key() << "-->" << iter.value() << 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();
+// qDebug() << iter.key() << meta->method(iter.key()).signature() << "-->" << iter.value() << meta->method(iter.value()).signature();
// iter++;
// }
}
projects / quassel.git / blobdiff