#include "syncableobject.h"
#include "util.h"
-class SignalRelay: public QObject {
+// ==================================================
+// 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)
}
sigNames.insert(methodId, fn);
}
-// ====================
-// /SIGNALRELAY
-// ====================
+// ==================================================
+// Peers
+// ==================================================
+void SignalProxy::IODevicePeer::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) {
+ QVariantList packedFunc;
+ packedFunc << (qint16)requestType
+ << params;
+ dispatchPackedFunc(QVariant(packedFunc));
+}
-// ====================
+// ==================================================
// SignalProxy
-// ====================
+// ==================================================
SignalProxy::SignalProxy(QObject* parent)
: QObject(parent)
{
QList<QObject*> senders = _relayHash.keys();
foreach(QObject* sender, senders)
detachObject(sender);
-
- // close peer connections
- foreach(QIODevice *device, _peers.keys()) {
- device->close();
- delete device;
- }
+ removeAllPeers();
}
void SignalProxy::setProxyMode(ProxyMode mode) {
- foreach(QIODevice* peer, _peers.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();
connect(sock, SIGNAL(disconnected()), this, SLOT(removePeerBySender()));
}
- _peers[iodev] = peerInfo();
- if(iodev->property("UseCompression").toBool())
- _peers[iodev].usesCompression = true;
+ _peers[iodev] = new IODevicePeer(iodev, iodev->property("UseCompression").toBool());
if(_peers.count() == 1)
emit connected();
return true;
}
-void SignalProxy::removePeer(QIODevice* iodev) {
+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(QObject* dev) {
if(_peers.isEmpty()) {
qWarning() << "SignalProxy::removePeer(): No peers in use!";
return;
}
- if(proxyMode() == Server && !iodev) {
- // disconnect all
- QList<QIODevice *> peers = _peers.keys();
- foreach(QIODevice *peer, peers)
- removePeer(peer);
- }
-
- if(proxyMode() != Server && !iodev)
- iodev = _peers.keys().first();
-
- Q_ASSERT(iodev);
-
- if(!_peers.contains(iodev)) {
- qWarning() << "SignalProxy: unknown QIODevice" << iodev;
+ Q_ASSERT(dev);
+ if(!_peers.contains(dev)) {
+ qWarning() << "SignalProxy: unknown Peer" << dev;
return;
}
- _peers.remove(iodev);
+ AbstractPeer *peer = _peers[dev];
+ _peers.remove(dev);
- disconnect(iodev, 0, this, 0);
- emit peerRemoved(iodev);
+ disconnect(dev, 0, this, 0);
+ if(peer->type() == AbstractPeer::IODevicePeer)
+ emit peerRemoved(static_cast<QIODevice *>(dev));
+
+ delete peer;
if(_peers.isEmpty())
emit disconnected();
}
void SignalProxy::removePeerBySender() {
- // OK we're brutal here... but since it's a private slot we know what we've got connected to it...
- // this Slot is not triggered by destroyed, so the object is still alive and can be used!
- QIODevice *ioDev = (QIODevice *)(sender());
- removePeer(ioDev);
+ removePeer(sender());
}
void SignalProxy::objectRenamed(const QString &newname, const QString &oldname) {
}
}
-void SignalProxy::dispatchSignal(QIODevice *receiver, const RequestType &requestType, const QVariantList ¶ms) {
- Q_ASSERT(_peers.contains(receiver));
- QVariantList packedFunc;
- packedFunc << (qint16)requestType;
- packedFunc << params;
- writeDataToDevice(receiver, QVariant(packedFunc), _peers[receiver].usesCompression);
-}
-
void SignalProxy::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms) {
- // yes I know we have a little code duplication here... it's for the sake of performance
- QVariantList packedFunc;
- packedFunc << (qint16)requestType;
- packedFunc << params;
- foreach(QIODevice* dev, _peers.keys()) {
- Q_ASSERT(_peers.contains(dev));
- writeDataToDevice(dev, QVariant(packedFunc), _peers[dev].usesCompression);
+ 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());
if(params.isEmpty()) {
qWarning() << "SignalProxy::receivePeerSignal(): received incompatible Data:" << packedFunc;
return;
}
-
- int callType = params.takeFirst().value<int>();
- switch(callType) {
+ 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.takeFirst().toByteArray(), params);
+ handleSignal(params);
+ //handleSignal(params.takeFirst().toByteArray(), params);
break;
case Sync:
break;
default:
- qWarning() << "SignalProxy::receivePeerSignal(): received undefined CallType" << callType << params;
+ qWarning() << "SignalProxy::receivePeerSignal(): received undefined CallType" << requestType << params;
}
}
-void SignalProxy::handleSync(QIODevice *sender, QVariantList params) {
+void SignalProxy::handleSync(AbstractPeer *sender, QVariantList params) {
if(params.count() < 3) {
qWarning() << "received invalid Sync call" << params;
return;
if(argTypes(receiver, receiverId).count() > 1)
returnParams << params;
returnParams << returnValue;
- dispatchSignal(sender, Sync, returnParams);
+ 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;
<< objectName
<< initData(obj);
- dispatchSignal(sender, 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:"
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);
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));
+ Q_ASSERT(_peers.contains(ioDev) && _peers[ioDev]->type() == AbstractPeer::IODevicePeer);
+ IODevicePeer *peer = static_cast<IODevicePeer *>(_peers[ioDev]);
QVariant var;
- while(readDataFromDevice(ioDev, _peers[ioDev].byteCount, var, _peers[ioDev].usesCompression))
- receivePeerSignal(ioDev, var);
+ while(peer->readData(var))
+ receivePackedFunc(peer, var);
}
void SignalProxy::writeDataToDevice(QIODevice *dev, const QVariant &item, bool compressed) {
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);
void SignalProxy::sendHeartBeat() {
dispatchSignal(SignalProxy::HeartBeat, QVariantList() << QTime::currentTime());
- QHash<QIODevice *, peerInfo>::iterator peerIter = _peers.begin();
- QHash<QIODevice *, peerInfo>::iterator peerIterEnd = _peers.end();
- while(peerIter != peerIterEnd) {
- if(peerIter->sentHeartBeats > 0) {
- updateLag(peerIter.key(), (float)_heartBeatTimer.interval());
- }
- if(peerIter->sentHeartBeats > 1) {
- QAbstractSocket *socket = qobject_cast<QAbstractSocket *>(peerIter.key());
- qWarning() << "SignalProxy: Disconnecting peer:"
- << (socket ? qPrintable(socket->peerAddress().toString()) : "local client")
- << "(didn't receive a heartbeat for over" << peerIter->sentHeartBeats * _heartBeatTimer.interval() / 1000 << "seconds)";
- peerIter.key()->close();
- } else {
- peerIter->sentHeartBeats++;
+ PeerHash::iterator peer = _peers.begin();
+ while(peer != _peers.end()) {
+ if((*peer)->type() == AbstractPeer::IODevicePeer) {
+ IODevicePeer *ioPeer = static_cast<IODevicePeer *>(*peer);
+ if(ioPeer->sentHeartBeats > 0) {
+ updateLag(ioPeer, ioPeer->sentHeartBeats * _heartBeatTimer.interval());
+ }
+ if(ioPeer->sentHeartBeats > 1) {
+ //FIXME: proper disconnect.
+// QAbstractSocket *socket = qobject_cast<QAbstractSocket *>(peerIter.key());
+// qWarning() << "SignalProxy: Disconnecting peer:"
+// << (socket ? qPrintable(socket->peerAddress().toString()) : "local client")
+// << "(didn't receive a heartbeat for over" << peerIter->sentHeartBeats * _heartBeatTimer.interval() / 1000 << "seconds)";
+// peerIter.key()->close();
+ } else {
+ ioPeer->sentHeartBeats++;
+ }
}
- peerIter++;
+ peer++;
}
}
-void SignalProxy::receiveHeartBeat(QIODevice *dev, const QVariantList ¶ms) {
- if(!_peers.contains(dev)) {
- qWarning() << "SignalProxy: received heart beat from unknown Device:" << dev;
- }
- dispatchSignal(dev, SignalProxy::HeartBeatReply, params);
+void SignalProxy::receiveHeartBeat(AbstractPeer *peer, const QVariantList ¶ms) {
+ peer->dispatchSignal(SignalProxy::HeartBeatReply, params);
}
-void SignalProxy::receiveHeartBeatReply(QIODevice *dev, const QVariantList ¶ms) {
- if(!_peers.contains(dev)) {
- qWarning() << "SignalProxy: received heart beat reply from unknown Device:" << dev;
+void SignalProxy::receiveHeartBeatReply(AbstractPeer *peer, const QVariantList ¶ms) {
+ if(peer->type() != AbstractPeer::IODevicePeer) {
+ qWarning() << "SignalProxy::receiveHeartBeatReply: received heart beat from a non IODevicePeer!";
return;
}
- _peers[dev].sentHeartBeats = 0;
+ IODevicePeer *ioPeer = static_cast<IODevicePeer *>(peer);
+ ioPeer->sentHeartBeats = 0;
if(params.isEmpty()) {
- qWarning() << "SignalProxy: received heart beat reply with less params then sent from:" << dev;
+ qWarning() << "SignalProxy: received heart beat reply with less params then sent from:" << ioPeer->device();
return;
}
QTime sendTime = params[0].value<QTime>();
- updateLag(dev, (float)sendTime.msecsTo(QTime::currentTime()) / 2);
+ updateLag(ioPeer, sendTime.msecsTo(QTime::currentTime()) / 2);
}
-void SignalProxy::updateLag(QIODevice *dev, float lag) {
- Q_ASSERT(_peers.contains(dev));
- _peers[dev].lag = lag;
+void SignalProxy::updateLag(IODevicePeer *peer, int lag) {
+ peer->lag = lag;
if(proxyMode() == Client) {
emit lagUpdated(lag);
}