void HPMPrivate::deviceRemoved(io_iterator_t iterator)
{
io_service_t usbDevice;
while ((usbDevice = IOIteratorNext(iterator)))
{
UInt16 vid = 0, pid = 0;
extractVidPid(usbDevice, &vid, &pid);
HotPlugMonitor* hpm = qobject_cast<HotPlugMonitor*> (parent());
Q_ASSERT(hpm != NULL);
hpm->emitDeviceRemoved(vid, pid);
IOObjectRelease(usbDevice);
}
}
void HPMPrivate::run()
{
udev* udev_ctx = udev_new();
Q_ASSERT(udev_ctx != NULL);
udev_monitor* mon = udev_monitor_new_from_netlink(udev_ctx, UDEV_NETLINK_SOURCE);
Q_ASSERT(mon != NULL);
if (udev_monitor_filter_add_match_subsystem_devtype(mon, USB_SUBSYSTEM, USB_DEVICE_TYPE) < 0)
{
qWarning() << Q_FUNC_INFO << "Unable to add match for USB devices";
udev_monitor_unref(mon);
udev_unref(udev_ctx);
return;
}
if (udev_monitor_enable_receiving(mon) < 0)
{
qWarning() << Q_FUNC_INFO << "Unable to enable udev uevent reception";
udev_monitor_unref(mon);
udev_unref(udev_ctx);
return;
}
int fd = udev_monitor_get_fd(mon);
fd_set readfs;
FD_ZERO(&readfs);
m_run = true;
while (m_run == true)
{
struct timeval tv;
tv.tv_sec = 1;
tv.tv_usec = 0;
FD_SET(fd, &readfs);
int retval = select(fd + 1, &readfs, NULL, NULL, &tv);
if (retval == -1)
{
qWarning() << Q_FUNC_INFO << strerror(errno);
m_run = false;
}
else if (retval > 0 && FD_ISSET(fd, &readfs))
{
udev_device* dev = udev_monitor_receive_device(mon);
if (dev != NULL)
{
const char* action = udev_device_get_action(dev);
const char* vendor = udev_device_get_property_value(dev, PROPERTY_VID);
const char* product = udev_device_get_property_value(dev, PROPERTY_PID);
if (action == NULL || vendor == NULL || product == NULL)
{
qWarning() << Q_FUNC_INFO << "Unable to get device properties"
<< (void*) dev;
}
else if (strcmp(action, DEVICE_ACTION_ADD) == 0)
{
uint vid = QString(vendor).toUInt(0, 16);
uint pid = QString(product).toUInt(0, 16);
HotPlugMonitor* hpm = qobject_cast<HotPlugMonitor*> (parent());
Q_ASSERT(hpm != NULL);
hpm->emitDeviceAdded(vid, pid);
}
else if (strcmp(action, DEVICE_ACTION_REMOVE) == 0)
{
uint vid = QString(vendor).toUInt(0, 16);
uint pid = QString(product).toUInt(0, 16);
HotPlugMonitor* hpm = qobject_cast<HotPlugMonitor*> (parent());
Q_ASSERT(hpm != NULL);
hpm->emitDeviceRemoved(vid, pid);
}
else
{
qWarning() << Q_FUNC_INFO << "Unhandled udev action:" << action;
}
udev_device_unref(dev);
}
}
}
udev_monitor_unref(mon);
udev_unref(udev_ctx);
}
void HPMPrivate::run()
{
udev *udev_ctx = udev_new();
Q_ASSERT(udev_ctx != NULL);
udev_monitor *mon = udev_monitor_new_from_netlink(udev_ctx, UDEV_NETLINK_SOURCE);
Q_ASSERT(mon != NULL);
if (udev_monitor_filter_add_match_subsystem_devtype(mon, USB_SUBSYSTEM, USB_DEVICE_TYPE) < 0)
{
qWarning() << Q_FUNC_INFO << "Unable to add match for USB devices";
udev_monitor_unref(mon);
udev_unref(udev_ctx);
return;
}
if (udev_monitor_enable_receiving(mon) < 0)
{
qWarning() << Q_FUNC_INFO << "Unable to enable udev uevent reception";
udev_monitor_unref(mon);
udev_unref(udev_ctx);
return;
}
int fd = udev_monitor_get_fd(mon);
fd_set readfs;
FD_ZERO(&readfs);
m_run = true;
while (m_run == true)
{
struct timeval tv;
tv.tv_sec = 1;
tv.tv_usec = 0;
FD_SET(fd, &readfs);
int retval = select(fd + 1, &readfs, NULL, NULL, &tv);
if (retval == -1)
{
qWarning() << Q_FUNC_INFO << strerror(errno);
m_run = false;
}
else if (retval > 0 && FD_ISSET(fd, &readfs))
{
udev_device *dev = udev_monitor_receive_device(mon);
if (dev != NULL)
{
QString action = QString(udev_device_get_action(dev));
QString vendor = QString(udev_device_get_property_value(dev, PROPERTY_VID));
QString product = QString(udev_device_get_property_value(dev, PROPERTY_PID));
// fallback to composite PRODUCT property VID/PID/REV
if (vendor.isEmpty() && product.isEmpty())
{
QString compProduct = QString(udev_device_get_property_value(dev, PROPERTY_PRODUCT));
QStringList tokens = compProduct.split("/");
if (tokens.count() >= 2)
{
vendor = tokens.at(0);
product = tokens.at(1);
}
}
if (action.isEmpty() || vendor.isEmpty() || product.isEmpty())
{
qWarning() << Q_FUNC_INFO << "Unable to get device properties"
<< (void*) dev << "Action:" << QString(action);
}
else if (action == QString(DEVICE_ACTION_ADD))
{
uint vid = vendor.toUInt(0, 16);
uint pid = product.toUInt(0, 16);
HotPlugMonitor* hpm = qobject_cast<HotPlugMonitor*> (parent());
Q_ASSERT(hpm != NULL);
hpm->emitDeviceAdded(vid, pid);
}
else if (action == QString(DEVICE_ACTION_REMOVE))
{
uint vid = vendor.toUInt(0, 16);
uint pid = product.toUInt(0, 16);
HotPlugMonitor* hpm = qobject_cast<HotPlugMonitor*> (parent());
Q_ASSERT(hpm != NULL);
hpm->emitDeviceRemoved(vid, pid);
}
else
{
qWarning() << Q_FUNC_INFO << "Unhandled udev action:" << action;
}
udev_device_unref(dev);
}
}
}
udev_monitor_unref(mon);
udev_unref(udev_ctx);
}