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/******************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Debug Bridge.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#include "devicemanager.h"
#include "networkmanagercontrol.h"
#include <QtCore/qdebug.h>
#include <QtCore/qloggingcategory.h>
#include <QtDBus/QDBusObjectPath>
Q_LOGGING_CATEGORY(devicesC, "qdb.devices");
DeviceManager::DeviceManager(QObject *parent)
: QObject{parent},
m_deviceEnumerator{},
m_newDevices{},
m_incompleteDevices{},
m_fetchingDevice{},
m_fetching{false},
m_deviceInfos{}
{
}
std::vector<DeviceInformation> DeviceManager::listDevices()
{
return m_deviceInfos;
}
void DeviceManager::start()
{
connect(&m_deviceEnumerator, &UsbDeviceEnumerator::devicePluggedIn, this, &DeviceManager::handlePluggedInDevice);
connect(&m_deviceEnumerator, &UsbDeviceEnumerator::deviceUnplugged, this, &DeviceManager::handleUnpluggedDevice);
m_deviceEnumerator.startMonitoring();
}
void DeviceManager::handleDeviceInformation(DeviceInformation deviceInfo)
{
m_fetching = false;
if (deviceInfo.hostMac.isEmpty()) {
qCWarning(devicesC) << "Could not fetch device information from" << m_fetchingDevice.serial;
return; // Discard the device
}
qCDebug(devicesC) << "Configuring network for" << deviceInfo.serial;
configureUsbNetwork(deviceInfo.serial, deviceInfo.hostMac);
if (deviceInfo.ipAddress.isEmpty()) {
qCDebug(devicesC) << "Incomplete information received for" << deviceInfo.serial;
m_incompleteDevices.enqueue(m_fetchingDevice);
QTimer::singleShot(1000, this, &DeviceManager::fetchIncomplete);
} else {
qCDebug(devicesC) << "Complete info received for" << deviceInfo.serial;
}
auto iter = std::find_if(m_deviceInfos.begin(), m_deviceInfos.end(),
[&](const DeviceInformation &oldInfo) {
return deviceInfo.serial == oldInfo.serial;
});
if (iter == m_deviceInfos.end()) {
qCDebug(devicesC) << "Added new info for" << deviceInfo.serial;
m_deviceInfos.push_back(deviceInfo);
emit newDeviceInfo(deviceInfo);
} else if (*iter != deviceInfo) {
qCDebug(devicesC) << "Replaced old info for" << deviceInfo.serial;
*iter = deviceInfo;
emit newDeviceInfo(deviceInfo);
}
if (!m_newDevices.isEmpty())
fetchDeviceInformation(m_newDevices.dequeue());
}
void DeviceManager::handlePluggedInDevice(UsbDevice device)
{
qCDebug(devicesC) << "Device" << device.serial << "plugged in at" << device.address.busNumber << ":" << device.address.deviceAddress;
if (m_fetching)
m_newDevices.enqueue(device);
else
fetchDeviceInformation(device);
}
void DeviceManager::handleUnpluggedDevice(UsbAddress address)
{
qCDebug(devicesC) << "Device unplugged from" << address.busNumber << ":" << address.deviceAddress;
auto deviceAddressMatches = [&](const UsbDevice &device) {
return device.address == address;
};
const auto newIter = std::find_if(m_newDevices.begin(), m_newDevices.end(), deviceAddressMatches);
if (newIter != m_newDevices.end()) {
m_newDevices.erase(newIter);
return; // New devices can't yet be in the other lists.
}
const auto incompleteIter = std::find_if(m_incompleteDevices.begin(), m_incompleteDevices.end(),
deviceAddressMatches);
if (incompleteIter != m_incompleteDevices.end()) {
m_incompleteDevices.erase(incompleteIter);
// Incomplete devices already have information stored about them, so continue.
}
const auto infoIter = std::find_if(m_deviceInfos.begin(), m_deviceInfos.end(),
[&](const DeviceInformation &info) {
return info.usbAddress == address;
});
if (infoIter != m_deviceInfos.end()) {
emit disconnectedDevice(infoIter->serial);
m_deviceInfos.erase(infoIter);
}
}
void DeviceManager::fetchDeviceInformation(UsbDevice device)
{
qCDebug(devicesC) << "Fetching device information for" << device.serial;
Q_ASSERT(!m_fetching);
m_fetching = true;
m_fetchingDevice = device;
auto *fetcher = new DeviceInformationFetcher{device};
connect(fetcher, &DeviceInformationFetcher::fetched, fetcher, &QObject::deleteLater);
connect(fetcher, &DeviceInformationFetcher::fetched, this, &DeviceManager::handleDeviceInformation);
fetcher->fetch();
}
void DeviceManager::fetchIncomplete()
{
if (m_incompleteDevices.empty())
return;
if (m_fetching) {
qCDebug(devicesC) << "Delaying fetching incomplete information due to fetch in progress";
QTimer::singleShot(500, this, &DeviceManager::fetchIncomplete);
return;
}
fetchDeviceInformation(m_incompleteDevices.dequeue());
}
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