/***************************************************************************
- * Copyright (C) 2005-09 by the Quassel Project *
+ * Copyright (C) 2005-2018 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
-#include "signalproxy.h"
+#include <utility>
-#include <QObject>
-#include <QIODevice>
-#include <QAbstractSocket>
+#include <QCoreApplication>
#include <QHostAddress>
-#include <QHash>
-#include <QMultiHash>
-#include <QList>
-#include <QSet>
-#include <QDebug>
#include <QMetaMethod>
#include <QMetaProperty>
-#include <QRegExp>
+#include <QThread>
+
#ifdef HAVE_SSL
-#include <QSslSocket>
+ #include <QSslSocket>
#endif
-#include <QThread>
-#include <QTime>
-#include <QEvent>
-#include <QCoreApplication>
+#include "signalproxy.h"
+
+#include "peer.h"
+#include "protocol.h"
#include "syncableobject.h"
#include "util.h"
+#include "types.h"
-// ==================================================
-// PeerSignalEvent
-// ==================================================
-class PeerSignalEvent : public QEvent
-{
-public:
- 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;
-};
-
+using namespace Protocol;
class RemovePeerEvent : public QEvent
{
public:
- RemovePeerEvent(QObject *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeer)), peer(peer) {}
- QObject *peer;
+ RemovePeerEvent(Peer *peer) : QEvent(QEvent::Type(SignalProxy::RemovePeerEvent)), peer(peer) {}
+ Peer *peer;
};
SignalRelay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
inline SignalProxy *proxy() const { return _proxy; }
- int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
+ int qt_metacall(QMetaObject::Call _c, int _id, void **_a) override;
void attachSignal(QObject *sender, int signalId, const QByteArray &funcName);
void detachSignal(QObject *sender, int signalId = -1);
private:
struct Signal {
- QObject *sender;
- int signalId;
+ QObject *sender{nullptr};
+ int signalId{-1};
QByteArray signature;
- Signal(QObject *sender, int sigId, const QByteArray &signature) : sender(sender), signalId(sigId), signature(signature) {}
- Signal() : sender(0), signalId(-1) {}
+ Signal(QObject *sender, int sigId, QByteArray signature) : sender(sender), signalId(sigId), signature(std::move(signature)) {}
+ Signal() {}
};
SignalProxy *_proxy;
}
else {
fn = SIGNAL(fakeMethodSignature());
- fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).signature());
+ fn = fn.replace("fakeMethodSignature()", sender->metaObject()->method(signalId).methodSignature());
}
_slots[slotId] = Signal(sender, signalId, fn);
break;
}
else {
- slotIter++;
+ ++slotIter;
}
}
}
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() << "SignalRelay::qt_metacall(): received invalid data for argument number" << i << "of signal" << QString("%1::%2").arg(caller->metaObject()->className()).arg(caller->metaObject()->method(signal.signalId).methodSignature().constData());
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);
+ if (proxy()->_restrictMessageTarget) {
+ for (auto peer : proxy()->_restrictedTargets) {
+ if (peer != nullptr)
+ proxy()->dispatch(peer, RpcCall(signal.signature, params));
+ }
+ } else
+ proxy()->dispatch(RpcCall(signal.signature, params));
}
_id -= _slots.count();
}
// ==================================================
-// Peers
+// SignalProxy
// ==================================================
-void SignalProxy::IODevicePeer::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms)
-{
- QVariantList packedFunc;
- packedFunc << (qint16)requestType
- << params;
- 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)
- 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));
- }
+namespace {
+thread_local SignalProxy *_current{nullptr};
}
-
-// ==================================================
-// SignalProxy
-// ==================================================
SignalProxy::SignalProxy(QObject *parent)
: QObject(parent)
{
}
-SignalProxy::SignalProxy(ProxyMode mode, QIODevice *device, QObject *parent)
- : QObject(parent)
-{
- setProxyMode(mode);
- addPeer(device);
- init();
-}
-
-
SignalProxy::~SignalProxy()
{
QHash<QByteArray, ObjectId>::iterator classIter = _syncSlave.begin();
objIter = classIter->erase(objIter);
obj->stopSynchronize(this);
}
- classIter++;
+ ++classIter;
}
_syncSlave.clear();
removeAllPeers();
+
+ _current = nullptr;
+}
+
+
+SignalProxy *SignalProxy::current()
+{
+ return _current;
}
void SignalProxy::setProxyMode(ProxyMode mode)
{
- 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++;
+ if (!_peerMap.empty()) {
+ qWarning() << Q_FUNC_INFO << "Cannot change proxy mode while connected";
+ return;
}
_proxyMode = mode;
initClient();
}
-
void SignalProxy::init()
{
_heartBeatInterval = 0;
_maxHeartBeatCount = 0;
_signalRelay = new SignalRelay(this);
- connect(&_heartBeatTimer, SIGNAL(timeout()), this, SLOT(sendHeartBeat()));
setHeartBeatInterval(30);
setMaxHeartBeatCount(2);
- _heartBeatTimer.start();
_secure = false;
+ _current = this;
updateSecureState();
}
void SignalProxy::initClient()
{
- attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray, QString, QString)));
-}
-
-
-bool SignalProxy::addPeer(QIODevice *iodev)
-{
- if (!iodev)
- return false;
-
- if (_peers.contains(iodev))
- return true;
-
- if (proxyMode() == Client && !_peers.isEmpty()) {
- qWarning("SignalProxy: only one peer allowed in client mode!");
- return false;
- }
-
- 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()));
-
-#ifdef HAVE_SSL
- QSslSocket *sslSocket = qobject_cast<QSslSocket *>(iodev);
- if (sslSocket) {
- connect(iodev, SIGNAL(encrypted()), this, SLOT(updateSecureState()));
- }
-#endif
-
- if (!iodev->parent())
- iodev->setParent(this);
-
- _peers[iodev] = new IODevicePeer(iodev, iodev->property("UseCompression").toBool());
-
- if (_peers.count() == 1)
- emit connected();
-
- updateSecureState();
- return true;
+ attachSlot("__objectRenamed__", this, SLOT(objectRenamed(QByteArray,QString,QString)));
}
void SignalProxy::setHeartBeatInterval(int secs)
{
- if (secs != _heartBeatInterval) {
+ if (_heartBeatInterval != secs) {
_heartBeatInterval = secs;
- _heartBeatTimer.setInterval(secs * 1000);
+ emit heartBeatIntervalChanged(secs);
}
}
void SignalProxy::setMaxHeartBeatCount(int max)
{
- _maxHeartBeatCount = max;
+ if (_maxHeartBeatCount != max) {
+ _maxHeartBeatCount = max;
+ emit maxHeartBeatCountChanged(max);
+ }
}
-bool SignalProxy::addPeer(SignalProxy *proxy)
+bool SignalProxy::addPeer(Peer *peer)
{
- if (!proxy)
+ if (!peer)
return false;
- if (proxyMode() == proxy->proxyMode()) {
- qWarning() << "SignalProxy::addPeer(): adding a SignalProxy as peer requires one proxy to be server and one client!";
+ if (_peerMap.values().contains(peer))
+ return true;
+
+ if (!peer->isOpen()) {
+ qWarning("SignalProxy: peer needs to be open!");
return false;
}
- if (_peers.contains(proxy)) {
- return true;
+ if (proxyMode() == Client) {
+ if (!_peerMap.isEmpty()) {
+ qWarning("SignalProxy: only one peer allowed in client mode!");
+ return false;
+ }
+ connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
}
- if (proxyMode() == Client && !_peers.isEmpty()) {
- qWarning("SignalProxy: only one peer allowed in client mode!");
- return false;
+ connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
+ connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
+
+ if (!peer->parent())
+ peer->setParent(this);
+
+ if (peer->id() < 0) {
+ peer->setId(nextPeerId());
+ peer->setConnectedSince(QDateTime::currentDateTimeUtc());
}
- _peers[proxy] = new SignalProxyPeer(this, proxy);
- proxy->addPeer(this);
+ _peerMap[peer->id()] = peer;
+
+ peer->setSignalProxy(this);
- if (_peers.count() == 1)
+ if (peerCount() == 1)
emit connected();
updateSecureState();
void SignalProxy::removeAllPeers()
{
- Q_ASSERT(proxyMode() == Server || _peers.count() <= 1);
+ Q_ASSERT(proxyMode() == Server || peerCount() <= 1);
// wee need to copy that list since we modify it in the loop
- QList<QObject *> peers = _peers.keys();
- foreach(QObject *peer, peers) {
+ QList<Peer *> peers = _peerMap.values();
+ for (auto peer : peers) {
removePeer(peer);
}
}
-void SignalProxy::removePeer(QObject *dev)
+void SignalProxy::removePeer(Peer *peer)
{
- if (_peers.isEmpty()) {
- qWarning() << "SignalProxy::removePeer(): No peers in use!";
+ if (!peer) {
+ qWarning() << Q_FUNC_INFO << "Trying to remove a null peer!";
return;
}
- Q_ASSERT(dev);
- if (!_peers.contains(dev)) {
- qWarning() << "SignalProxy: unknown Peer" << dev;
+ if (_peerMap.isEmpty()) {
+ qWarning() << "SignalProxy::removePeer(): No peers in use!";
return;
}
- AbstractPeer *peer = _peers[dev];
- _peers.remove(dev);
-
- disconnect(dev, 0, this, 0);
- if (peer->type() == AbstractPeer::IODevicePeer)
- emit peerRemoved(static_cast<QIODevice *>(dev));
-
- if (peer->type() == AbstractPeer::SignalProxyPeer) {
- SignalProxy *proxy = static_cast<SignalProxy *>(dev);
- if (proxy->_peers.contains(this))
- proxy->removePeer(this);
+ if (!_peerMap.values().contains(peer)) {
+ qWarning() << "SignalProxy: unknown Peer" << peer;
+ return;
}
- if (dev->parent() == this)
- dev->deleteLater();
+ disconnect(peer, nullptr, this, nullptr);
+ peer->setSignalProxy(nullptr);
- delete peer;
+ _peerMap.remove(peer->id());
+ emit peerRemoved(peer);
+
+ if (peer->parent() == this)
+ peer->deleteLater();
updateSecureState();
- if (_peers.isEmpty())
+ if (_peerMap.isEmpty())
emit disconnected();
}
void SignalProxy::removePeerBySender()
{
- removePeer(sender());
+ removePeer(qobject_cast<Peer *>(sender()));
}
const QByteArray className(meta->className());
objectRenamed(className, newname, oldname);
- QVariantList params;
- params << "__objectRenamed__" << className << newname << oldname;
- dispatchSignal(RpcCall, params);
+ dispatch(RpcCall("__objectRenamed__", QVariantList() << className << newname << oldname));
}
if (_extendedMetaObjects.contains(meta))
return _extendedMetaObjects[meta];
else
- return 0;
+ return nullptr;
}
void SignalProxy::detachObject(QObject *obj)
{
- detachSignals(obj);
- detachSlots(obj);
+ // Don't try to connect SignalProxy from itself on shutdown
+ if (obj != this) {
+ detachSignals(obj);
+ detachSlots(obj);
+ }
}
slotIter = _attachedSlots.erase(slotIter);
}
else
- slotIter++;
+ ++slotIter;
}
}
classIter->remove(obj->objectName());
break;
}
- classIter++;
+ ++classIter;
}
obj->stopSynchronize(this);
}
-void SignalProxy::dispatchSignal(const RequestType &requestType, const QVariantList ¶ms)
+template<class T>
+void SignalProxy::dispatch(const T &protoMessage)
{
- 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);
- if (ioPeer->isOpen())
- ioPeer->dispatchPackedFunc(packedFunc);
- else
- QCoreApplication::postEvent(this, new RemovePeerEvent(peer.key()));
- }
- break;
- case AbstractPeer::SignalProxyPeer:
- (*peer)->dispatchSignal(requestType, params);
- break;
- default:
- Q_ASSERT(false); // there shouldn't be any peers with wrong / unknown type
- }
- peer++;
+ for (auto&& peer : _peerMap.values()) {
+ dispatch(peer, protoMessage);
}
}
-void SignalProxy::receivePackedFunc(AbstractPeer *sender, const QVariant &packedFunc)
+template<class T>
+void SignalProxy::dispatch(Peer *peer, const T &protoMessage)
{
- QVariantList params(packedFunc.toList());
-
- 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) {
- // list all RequestTypes that shouldnot trigger a heartbeat counter reset here
- case HeartBeatReply:
- break;
- default:
- if (sender->type() == AbstractPeer::IODevicePeer) {
- IODevicePeer *ioPeer = static_cast<IODevicePeer *>(sender);
- ioPeer->sentHeartBeats = 0;
- }
- }
-
- // qDebug() << "SignalProxy::receivePeerSignal)" << requestType << params;
- switch (requestType) {
- case RpcCall:
- if (params.empty())
- qWarning() << "SignalProxy::receivePeerSignal(): received empty RPC-Call";
- else
- handleSignal(params);
- //handleSignal(params.takeFirst().toByteArray(), params);
- break;
-
- case Sync:
- handleSync(sender, params);
- break;
-
- case InitRequest:
- handleInitRequest(sender, params);
- break;
-
- case InitData:
- handleInitData(sender, params);
- break;
-
- case HeartBeat:
- receiveHeartBeat(sender, params);
- break;
+ _targetPeer = peer;
- case HeartBeatReply:
- receiveHeartBeatReply(sender, params);
- break;
+ if (peer && peer->isOpen())
+ peer->dispatch(protoMessage);
+ else
+ QCoreApplication::postEvent(this, new ::RemovePeerEvent(peer));
- default:
- qWarning() << "SignalProxy::receivePeerSignal(): received undefined CallType" << requestType << params;
- }
+ _targetPeer = nullptr;
}
-void SignalProxy::receivePeerSignal(SignalProxy *sender, const RequestType &requestType, const QVariantList ¶ms)
+void SignalProxy::handle(Peer *peer, const SyncMessage &syncMessage)
{
- 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);
+ if (!_syncSlave.contains(syncMessage.className) || !_syncSlave[syncMessage.className].contains(syncMessage.objectName)) {
+ qWarning() << QString("no registered receiver for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
+ << syncMessage.params;
return;
}
- receivePeerSignal(_peers[sender], requestType, 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 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(slot)).arg(objectName)
- << params;
- return;
- }
-
- SyncableObject *receiver = _syncSlave[className][objectName];
+ SyncableObject *receiver = _syncSlave[syncMessage.className][syncMessage.objectName];
ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
- 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;
+ if (!eMeta->slotMap().contains(syncMessage.slotName)) {
+ qWarning() << QString("no matching slot for sync call: %1::%2 (objectName=\"%3\"). Params are:").arg(syncMessage.className, syncMessage.slotName, syncMessage.objectName)
+ << syncMessage.params;
return;
}
- int slotId = eMeta->slotMap()[slot];
+ int slotId = eMeta->slotMap()[syncMessage.slotName];
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)) {
+ // We can no longer construct a QVariant from QMetaType::Void
+ QVariant returnValue;
+ int returnType = eMeta->returnType(slotId);
+ if (returnType != QMetaType::Void)
+ returnValue = QVariant(static_cast<QVariant::Type>(returnType));
+
+ if (!invokeSlot(receiver, slotId, syncMessage.params, returnValue, peer)) {
qWarning("SignalProxy::handleSync(): invokeMethod for \"%s\" failed ", eMeta->methodName(slotId).constData());
return;
}
if (returnValue.type() != QVariant::Invalid && eMeta->receiveMap().contains(slotId)) {
int receiverId = eMeta->receiveMap()[slotId];
QVariantList returnParams;
- returnParams << className
- << objectName
- << eMeta->methodName(receiverId);
- //QByteArray(receiver->metaObject()->method(receiverId).signature());
if (eMeta->argTypes(receiverId).count() > 1)
- returnParams << params;
+ returnParams << syncMessage.params;
returnParams << returnValue;
- sender->dispatchSignal(Sync, returnParams);
+ _targetPeer = peer;
+ peer->dispatch(SyncMessage(syncMessage.className, syncMessage.objectName, eMeta->methodName(receiverId), returnParams));
+ _targetPeer = nullptr;
}
// send emit update signal
}
-void SignalProxy::handleInitRequest(AbstractPeer *sender, const QVariantList ¶ms)
+void SignalProxy::handle(Peer *peer, const InitRequest &initRequest)
{
- 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)) {
+ if (!_syncSlave.contains(initRequest.className)) {
qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Class:"
- << className;
+ << initRequest.className;
return;
}
- if (!_syncSlave[className].contains(objectName)) {
+ if (!_syncSlave[initRequest.className].contains(initRequest.objectName)) {
qWarning() << "SignalProxy::handleInitRequest() received initRequest for unregistered Object:"
- << className << objectName;
+ << initRequest.className << initRequest.objectName;
return;
}
- SyncableObject *obj = _syncSlave[className][objectName];
-
- QVariantList params_;
- params_ << className
- << objectName
- << initData(obj);
-
- sender->dispatchSignal(InitData, params_);
+ SyncableObject *obj = _syncSlave[initRequest.className][initRequest.objectName];
+ _targetPeer = peer;
+ peer->dispatch(InitData(initRequest.className, initRequest.objectName, initData(obj)));
+ _targetPeer = nullptr;
}
-void SignalProxy::handleInitData(AbstractPeer *sender, const QVariantList ¶ms)
+void SignalProxy::handle(Peer *peer, const InitData &initData)
{
- 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());
+ Q_UNUSED(peer)
- if (!_syncSlave.contains(className)) {
+ if (!_syncSlave.contains(initData.className)) {
qWarning() << "SignalProxy::handleInitData() received initData for unregistered Class:"
- << className;
+ << initData.className;
return;
}
- if (!_syncSlave[className].contains(objectName)) {
+ if (!_syncSlave[initData.className].contains(initData.objectName)) {
qWarning() << "SignalProxy::handleInitData() received initData for unregistered Object:"
- << className << objectName;
+ << initData.className << initData.objectName;
return;
}
- SyncableObject *obj = _syncSlave[className][objectName];
- setInitData(obj, propertyMap);
+ SyncableObject *obj = _syncSlave[initData.className][initData.objectName];
+ setInitData(obj, initData.initData);
}
-//void SignalProxy::handleSignal(const QByteArray &funcName, const QVariantList ¶ms) {
-void SignalProxy::handleSignal(const QVariantList &data)
+void SignalProxy::handle(Peer *peer, const RpcCall &rpcCall)
{
- QVariantList params = data;
- QByteArray funcName = params.takeFirst().toByteArray();
-
QObject *receiver;
int methodId;
- SlotHash::const_iterator slot = _attachedSlots.constFind(funcName);
- while (slot != _attachedSlots.constEnd() && slot.key() == funcName) {
+ SlotHash::const_iterator slot = _attachedSlots.constFind(rpcCall.slotName);
+ while (slot != _attachedSlots.constEnd() && slot.key() == rpcCall.slotName) {
receiver = (*slot).first;
methodId = (*slot).second;
- if (!invokeSlot(receiver, methodId, params)) {
+ if (!invokeSlot(receiver, methodId, rpcCall.params, peer)) {
ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
qWarning("SignalProxy::handleSignal(): invokeMethod for \"%s\" failed ", eMeta->methodName(methodId).constData());
}
- slot++;
+ ++slot;
}
}
-bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue)
+bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, QVariant &returnValue, Peer *peer)
{
ExtendedMetaObject *eMeta = extendedMetaObject(receiver);
const QList<int> args = eMeta->argTypes(methodId);
return false;
}
- 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 };
+ void *_a[] = { nullptr, // return type...
+ nullptr, nullptr, nullptr, nullptr, nullptr, // and 10 args - that's the max size qt can handle with signals and slots
+ nullptr, nullptr, nullptr, nullptr, nullptr };
// check for argument compatibility and build params array
for (int i = 0; i < numArgs; i++) {
if (!params[i].isValid()) {
- qWarning() << "SignalProxy::invokeSlot(): received invalid data for argument number" << i << "of method" << QString("%1::%2()").arg(receiver->metaObject()->className()).arg(receiver->metaObject()->method(methodId).signature());
+ qWarning() << "SignalProxy::invokeSlot(): received invalid data for argument number" << i << "of method" << QString("%1::%2()").arg(receiver->metaObject()->className()).arg(receiver->metaObject()->method(methodId).methodSignature().constData());
qWarning() << " - make sure all your data types are known by the Qt MetaSystem";
return false;
}
qWarning() << "SignalProxy::invokeSlot(): incompatible param types to invoke" << eMeta->methodName(methodId);
return false;
}
+
_a[i+1] = const_cast<void *>(params[i].constData());
}
: Qt::QueuedConnection;
if (type == Qt::DirectConnection) {
- return receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
- }
- else {
+ _sourcePeer = peer;
+ auto result = receiver->qt_metacall(QMetaObject::InvokeMetaMethod, methodId, _a) < 0;
+ _sourcePeer = nullptr;
+ return result;
+ } else {
qWarning() << "Queued Connections are not implemented yet";
// note to self: qmetaobject.cpp:990 ff
return false;
}
-bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms)
+bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList ¶ms, Peer *peer)
{
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 (peer->readData(var))
- receivePackedFunc(peer, var);
-}
-
-
-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 write on a closed device");
- return;
- }
-
- QByteArray block;
- QDataStream out(&block, QIODevice::WriteOnly);
- out.setVersion(QDataStream::Qt_4_2);
- 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 compressed)
-{
- if (!dev)
- return false;
-
- QDataStream in(dev);
- in.setVersion(QDataStream::Qt_4_2);
-
- if (blockSize == 0) {
- if (dev->bytesAvailable() < (int)sizeof(quint32)) return false;
- in >> blockSize;
- }
-
- if (blockSize > 1 << 22) {
- 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;
-
- 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)) {
- disconnectDevice(dev, tr("Peer sent corrupted compressed data!"));
- return false;
- }
- }
-
- rawItem = qUncompress(rawItem);
-
- QDataStream itemStream(&rawItem, QIODevice::ReadOnly);
- itemStream.setVersion(QDataStream::Qt_4_2);
- itemStream >> item;
- }
- else {
- in >> item;
- }
-
- if (!item.isValid()) {
- disconnectDevice(dev, tr("Peer sent corrupt data: unable to load QVariant!"));
- return false;
- }
-
- return true;
+ return invokeSlot(receiver, methodId, params, ret, peer);
}
if (proxyMode() == Server || obj->isInitialized())
return;
- QVariantList params;
- params << obj->syncMetaObject()->className()
- << obj->objectName();
- dispatchSignal(InitRequest, params);
+ dispatch(InitRequest(obj->syncMetaObject()->className(), obj->objectName()));
}
}
-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 (maxHeartBeatCount() >= 0 && ioPeer->sentHeartBeats >= maxHeartBeatCount())
- toClose.append(ioPeer);
- else
- ioPeer->sentHeartBeats++;
- }
- ++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::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 PeerSignal:
- {
- PeerSignalEvent *e = static_cast<PeerSignalEvent *>(event);
- receivePeerSignal(e->sender, e->requestType, e->params);
- }
+ switch ((int)event->type()) {
+ case RemovePeerEvent: {
+ ::RemovePeerEvent *e = static_cast< ::RemovePeerEvent *>(event);
+ removePeer(e->peer);
event->accept();
break;
- case RemovePeer:
- {
- RemovePeerEvent *e = static_cast<RemovePeerEvent *>(event);
- removePeer(e->peer);
}
- event->accept();
+
default:
+ qWarning() << Q_FUNC_INFO << "Received unknown custom event:" << event->type();
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)));
params << QVariant(argTypes[i], va_arg(ap, void *));
}
- dispatchSignal(Sync, params);
+ if (_restrictMessageTarget) {
+ for (auto peer : _restrictedTargets) {
+ if (peer != nullptr)
+ dispatch(peer, SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
+ }
+ } else
+ dispatch(SyncMessage(eMeta->metaObject()->className(), obj->objectName(), QByteArray(funcname), params));
}
}
-void SignalProxy::updateLag(IODevicePeer *peer, int lag)
-{
- peer->lag = lag;
- if (proxyMode() == Client) {
- emit lagUpdated(lag);
- }
-}
-
-
void SignalProxy::dumpProxyStats()
{
QString mode;
{
bool wasSecure = _secure;
- _secure = !_peers.isEmpty();
- PeerHash::const_iterator peerIter;
- for (peerIter = _peers.constBegin(); peerIter != _peers.constEnd(); peerIter++) {
- _secure &= (*peerIter)->isSecure();
+ _secure = !_peerMap.isEmpty();
+ for (auto peer : _peerMap.values()) {
+ _secure &= peer->isSecure();
}
if (wasSecure != _secure)
emit secureStateChanged(_secure);
}
+QVariantList SignalProxy::peerData() {
+ QVariantList result;
+ for (auto &&peer : _peerMap.values()) {
+ QVariantMap data;
+ data["id"] = peer->id();
+ data["clientVersion"] = peer->clientVersion();
+ // We explicitly rename this, as, due to the Debian reproducability changes, buildDate isn’t actually the build
+ // date anymore, but on newer clients the date of the last git commit
+ data["clientVersionDate"] = peer->buildDate();
+ data["remoteAddress"] = peer->address();
+ data["connectedSince"] = peer->connectedSince();
+ data["secure"] = peer->isSecure();
+ data["features"] = static_cast<quint32>(peer->features().toLegacyFeatures());
+ data["featureList"] = peer->features().toStringList();
+ result << data;
+ }
+ return result;
+}
+
+Peer *SignalProxy::peerById(int peerId) {
+ // We use ::value() here instead of the [] operator because the latter has the side-effect
+ // of automatically inserting a null value with the passed key into the map. See
+ // https://doc.qt.io/qt-5/qhash.html#operator-5b-5d and https://doc.qt.io/qt-5/qhash.html#value.
+ return _peerMap.value(peerId);
+}
+
+void SignalProxy::restrictTargetPeers(QSet<Peer*> peers, std::function<void()> closure)
+{
+ auto previousRestrictMessageTarget = _restrictMessageTarget;
+ auto previousRestrictedTargets = _restrictedTargets;
+ _restrictMessageTarget = true;
+ _restrictedTargets = peers;
+
+ closure();
+
+ _restrictMessageTarget = previousRestrictMessageTarget;
+ _restrictedTargets = previousRestrictedTargets;
+}
+
+Peer *SignalProxy::sourcePeer() {
+ return _sourcePeer;
+}
+
+void SignalProxy::setSourcePeer(Peer *sourcePeer) {
+ _sourcePeer = sourcePeer;
+}
+
+Peer *SignalProxy::targetPeer() {
+ return _targetPeer;
+}
+
+void SignalProxy::setTargetPeer(Peer *targetPeer) {
+ _targetPeer = targetPeer;
+}
// ==================================================
// ExtendedMetaObject
if (_meta->method(i).methodType() != QMetaMethod::Slot)
continue;
- if (QByteArray(_meta->method(i).signature()).contains('*'))
+ if (_meta->method(i).methodSignature().contains('*'))
continue; // skip methods with ptr params
QByteArray method = methodName(_meta->method(i));
}
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();
+ qWarning() << " - " << _meta->method(i).methodSignature() << "conflicts with" << _meta->method(_methodIds[method]).methodSignature();
}
continue;
}
if (QMetaType::Void == (QMetaType::Type)returnType(i))
continue;
- signature = QByteArray(requestSlot.signature());
+ signature = requestSlot.methodSignature();
if (!signature.startsWith("request"))
continue;
QByteArray SignalProxy::ExtendedMetaObject::methodName(const QMetaMethod &method)
{
- QByteArray sig(method.signature());
+ QByteArray sig(method.methodSignature());
return sig.left(sig.indexOf("("));
}
QString SignalProxy::ExtendedMetaObject::methodBaseName(const QMetaMethod &method)
{
- QString methodname = QString(method.signature()).section("(", 0, 0);
+ QString methodname = QString(method.methodSignature()).section("(", 0, 0);
// determine where we have to chop:
int upperCharPos;
_argTypes = argTypes;
// determine minArgCount
- QString signature(method.signature());
+ QString signature(method.methodSignature());
_minArgCount = method.parameterTypes().count() - signature.count("=");
_receiverMode = (_methodName.startsWith("request"))
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