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https://bitbucket.org/librepilot/librepilot.git
synced 2025-02-27 16:54:15 +01:00
Fixed problem with GCS crashing in windows when GCS exits still connected to USB device
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2964 ebee16cc-31ac-478f-84a7-5cbb03baadba
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pip
pip
parent
492152d506
commit
fe6b41e6f9
@ -101,6 +101,76 @@ void ConnectionManager::init()
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QObject::connect(ExtensionSystem::PluginManager::instance(), SIGNAL(aboutToRemoveObject(QObject*)), this, SLOT(aboutToRemoveObject(QObject*)));
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}
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/**
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* Method called when the user clicks the "Connect" button
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*/
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bool ConnectionManager::connectDevice()
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{
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devListItem connection_device = findDevice(m_availableDevList->currentText());
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if (!connection_device.connection)
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return false;
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QIODevice *io_dev = connection_device.connection->openDevice(connection_device.devName);
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if (!io_dev)
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return false;
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io_dev->open(QIODevice::ReadWrite);
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// check if opening the device worked
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if (!io_dev->isOpen())
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{
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qDebug() << "Error: could not connect to " << connection_device.devName;
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return false;
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}
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// we appear to have connected to the device OK
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// remember the connection/device details
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m_connectionDevice = connection_device;
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m_ioDev = io_dev;
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connect(m_connectionDevice.connection, SIGNAL(deviceClosed(QObject *)), this, SLOT(onConnectionClosed(QObject *)), Qt::QueuedConnection);
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connect(m_connectionDevice.connection, SIGNAL(destroyed(QObject *)), this, SLOT(onConnectionDestroyed(QObject *)), Qt::QueuedConnection);
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m_connectBtn->setText("Disconnect");
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m_availableDevList->setEnabled(false);
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// signal interested plugins that we connected to the device
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emit deviceConnected(m_ioDev);
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return true;
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}
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/**
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* Method called by plugins who want to force a disconnection.
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* Used by Uploader gadget for instance.
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*/
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bool ConnectionManager::disconnectDevice()
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{
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if (!m_ioDev)
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{ // apparently we are already disconnected
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m_connectionDevice.connection = NULL;
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m_ioDev = NULL;
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return false;
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}
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// we appear to be connected - disconnect from the device
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try
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{
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if (m_connectionDevice.connection)
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m_connectionDevice.connection->closeDevice(m_connectionDevice.devName);
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}
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catch (...)
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{ // handle exception
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qDebug() << "Exception: m_connectionDevice.connection->closeDevice(" << m_connectionDevice.devName << ")";
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}
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onConnectionClosed(m_connectionDevice.connection);
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}
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/**
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* Slot called when a plugin added an object to the core pool
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*/
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@ -129,42 +199,14 @@ void ConnectionManager::aboutToRemoveObject(QObject *obj)
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IConnection *connection = Aggregation::query<IConnection>(obj);
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if (!connection) return;
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if (m_connectionsList.contains(connection))
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m_connectionsList.removeAt(m_connectionsList.indexOf(connection));
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}
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/**
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* Method called by plugins who want to force a disconnection. Used
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* by Uploader gadget for instance.
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*/
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bool ConnectionManager::disconnectDevice()
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{
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// Check if we are currently connected or not
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if (!m_ioDev)
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return false; // We were not connected
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//signal interested plugins that we are disconnecting the device
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emit deviceDisconnected();
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try
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{
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if (m_connectionDevice.connection)
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{
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m_connectionDevice.connection->closeDevice(m_connectionDevice.devName);
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m_connectionDevice.connection = NULL;
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m_ioDev = NULL;
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}
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}
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catch (...)
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{ // handle exception
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if (m_connectionDevice.connection && m_connectionDevice.connection == connection) // Pip
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{ // we are currently using the one that is about to be removed
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m_connectionDevice.connection = NULL;
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m_ioDev = NULL;
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}
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m_connectBtn->setText("Connect");
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m_availableDevList->setEnabled(true);
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return true;
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if (m_connectionsList.contains(connection))
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m_connectionsList.removeAt(m_connectionsList.indexOf(connection));
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}
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void ConnectionManager::onConnectionClosed(QObject *obj) // Pip
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@ -172,20 +214,8 @@ void ConnectionManager::onConnectionClosed(QObject *obj) // Pip
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if (!m_connectionDevice.connection || m_connectionDevice.connection != obj)
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return;
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try
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{
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if (m_connectionDevice.connection)
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{
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m_connectionDevice.connection->closeDevice(m_connectionDevice.devName);
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m_connectionDevice.connection = NULL;
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m_ioDev = NULL;
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}
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}
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catch (...)
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{ // handle exception
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m_connectionDevice.connection = NULL;
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m_ioDev = NULL;
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}
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m_connectionDevice.connection = NULL;
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m_ioDev = NULL;
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m_connectBtn->setText("Connect");
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m_availableDevList->setEnabled(true);
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@ -196,14 +226,7 @@ void ConnectionManager::onConnectionClosed(QObject *obj) // Pip
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void ConnectionManager::onConnectionDestroyed(QObject *obj) // Pip
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{
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if (!m_connectionDevice.connection || m_connectionDevice.connection != obj)
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return;
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m_connectionDevice.connection = NULL;
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m_ioDev = NULL;
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m_connectBtn->setText("Connect");
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m_availableDevList->setEnabled(true);
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onConnectionClosed(obj);
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}
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/**
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@ -211,69 +234,13 @@ void ConnectionManager::onConnectionDestroyed(QObject *obj) // Pip
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*/
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void ConnectionManager::onConnectPressed()
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{
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if (!m_ioDev)
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if (!m_ioDev || !m_connectionDevice.connection)
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{ // connecting
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m_connectionDevice = findDevice(m_availableDevList->currentText());
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if (m_connectionDevice.connection)
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{
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m_ioDev = m_connectionDevice.connection->openDevice(m_connectionDevice.devName);
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if (m_ioDev)
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{
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m_ioDev->open(QIODevice::ReadWrite);
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// check if opening the device worked
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if (!m_ioDev->isOpen())
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{
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qDebug() << "could not connect to " << m_connectionDevice.devName;
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// TODO: inform the user that something went wrong
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m_connectionDevice.connection = NULL;
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m_ioDev = NULL;
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return;
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}
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connect(m_connectionDevice.connection, SIGNAL(deviceClosed(QObject *)), this, SLOT(onConnectionClosed(QObject *)), Qt::QueuedConnection);
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connect(m_connectionDevice.connection, SIGNAL(destroyed(QObject *)), this, SLOT(onConnectionDestroyed(QObject *)), Qt::QueuedConnection);
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//signal interested plugins that the user wants to connect to the device
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emit deviceConnected(m_ioDev);
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m_connectBtn->setText("Disconnect");
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m_availableDevList->setEnabled(false);
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return;
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}
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else
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{
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m_connectionDevice.connection = NULL;
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m_ioDev = NULL;
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}
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}
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connectDevice();
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}
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else
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{ // disconnecting
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//signal interested plugins that user is disconnecting his device
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emit deviceDisconnected();
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try
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{
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if (m_connectionDevice.connection)
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{
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m_connectionDevice.connection->closeDevice(m_connectionDevice.devName);
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m_connectionDevice.connection = NULL;
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m_ioDev = NULL;
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}
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}
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catch (...)
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{ // handle exception
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m_connectionDevice.connection = NULL;
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m_ioDev = NULL;
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}
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m_connectBtn->setText("Connect");
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m_availableDevList->setEnabled(true);
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disconnectDevice();
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}
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}
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@ -295,21 +262,6 @@ devListItem ConnectionManager::findDevice(const QString &displayedName)
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return d;
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}
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/**
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* Unregister all devices from one connection plugin
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* \param[in] connection Connection type that you want to forget about :)
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*/
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void ConnectionManager::unregisterAll(IConnection *connection)
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{
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for (QLinkedList<devListItem>::iterator iter = m_devList.begin(); iter != m_devList.end(); )
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{
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if (iter->connection == connection)
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iter = m_devList.erase(iter);
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else
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++iter;
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}
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}
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/**
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* Tells every connection plugin to stop polling for devices if they
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* are doing that.
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@ -341,6 +293,27 @@ void ConnectionManager::resumePolling()
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m_availableDevList->setEnabled(true);
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}
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/**
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* Unregister all devices from one connection plugin
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* \param[in] connection Connection type that you want to forget about :)
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*/
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void ConnectionManager::unregisterAll(IConnection *connection)
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{
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for (QLinkedList<devListItem>::iterator iter = m_devList.begin(); iter != m_devList.end(); )
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{
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if (iter->connection == connection)
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{
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if (m_connectionDevice.connection && m_connectionDevice.connection == connection)
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{ // we are currently using the one we are about to erase
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onConnectionClosed(m_connectionDevice.connection);
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}
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iter = m_devList.erase(iter);
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}
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else
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++iter;
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}
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}
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/**
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* Register a device from a specific connection plugin
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@ -362,7 +335,6 @@ void ConnectionManager::registerDevice(IConnection *conn, const QString &devN, c
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*/
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void ConnectionManager::devChanged(IConnection *connection)
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{
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//clear device list combobox
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m_availableDevList->clear();
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@ -104,6 +104,10 @@ protected:
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//currently connected QIODevice
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QIODevice *m_ioDev;
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private:
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bool connectDevice();
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};
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} //namespace Core
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