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QmlDesigner: prevent crash on cleared connection

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Change-Id: I3bc0e656ed0682a759e49d60772a233bf33fba66
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
This commit is contained in:
Tim Jenssen
2025-05-15 13:03:08 +02:00
parent d07de22660
commit 1620aa041f
1 changed files with 9 additions and 20 deletions
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29
src/plugins/qmldesigner/instances/connectionmanager.cpp
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@@ -49,32 +49,21 @@ void ConnectionManager::setUp(NodeInstanceServerInterface *nodeInstanceServerPro
processFinished(exitCode, exitStatus, connection.name);
});
}
qDebug() << "Start QMLPuppets from: " << m_connections.at(0).qmlPuppetProcess.get()->program();
if (!m_connections.empty() && m_connections.at(0).qmlPuppetProcess)
qDebug() << "Start QMLPuppets from: " << m_connections.at(0).qmlPuppetProcess.get()->program();
const int second = 1000;
for (Connection &connection : m_connections) {
int waitConstant = 8 * second;
if (!connection.qmlPuppetProcess->waitForStarted(waitConstant)) {
closeSocketsAndKillProcesses();
showCannotConnectToPuppetWarningAndSwitchToEditMode();
return;
}
waitConstant /= 2;
bool connectedToPuppet = true;
if (!connection.localServer->hasPendingConnections())
connectedToPuppet = connection.localServer->waitForNewConnection(waitConstant);
if (connectedToPuppet) {
connection.socket.reset(connection.localServer->nextPendingConnection());
QObject::connect(connection.socket.get(), &QIODevice::readyRead, this, [&] {
readDataStream(connection);
});
} else {
int waitConstant = 5 * second;
if (!connection.localServer->hasPendingConnections() && !connection.localServer->waitForNewConnection(waitConstant)) {
closeSocketsAndKillProcesses();
showCannotConnectToPuppetWarningAndSwitchToEditMode();
return;
}
connection.socket.reset(connection.localServer->nextPendingConnection());
QObject::connect(connection.socket.get(), &QIODevice::readyRead, this, [&] {
readDataStream(connection);
});
connection.localServer->close();
}
}