public override Endpoint GetEndpoint(uint index)
{
var udev = udev_new();
var udevEnumerator = udev_enumerate_new(udev);
if (udevEnumerator == null)
{
throw new UdevException("Failed to create udev enumerator.");
}
udev_enumerate_add_match_subsystem(udevEnumerator, "hidraw");
udev_enumerate_scan_devices(udevEnumerator);
List <string> endpointPaths = new List <string>();
for (var entry = udev_enumerate_get_list_entry(udevEnumerator); entry != null; entry = udev_list_entry_get_next(entry))
{
var sysPath = udev_list_entry_get_name(entry);
udev_device *hidEndpoint = udev_device_new_from_syspath(udev, sysPath);
udev_device *parentDevice = udev_device_get_parent_with_subsystem_devtype(hidEndpoint, "usb", "usb_device");
var parentDevname = udev_device_get_property_value(parentDevice, "DEVNAME");
if (parentDevname == devname)
{
endpointPaths.Add(sysPath);
}
}
throw new NotImplementedException();
}
public override Endpoint GetEndpoint(uint index)
{
var udev = udev_new();
var udevEnumerator = udev_enumerate_new(udev);
if (udevEnumerator == null)
{
throw new UdevException("Failed to create udev enumerator.");
}
udev_enumerate_add_match_subsystem(udevEnumerator, "hidraw");
udev_enumerate_scan_devices(udevEnumerator);
List <string> endpointPaths = new List <string>();
for (var entry = udev_enumerate_get_list_entry(udevEnumerator); entry != null; entry = udev_list_entry_get_next(entry))
{
var sysPath = udev_list_entry_get_name(entry);
udev_device *hidEndpoint = udev_device_new_from_syspath(udev, sysPath);
udev_device *parentDevice = udev_device_get_parent_with_subsystem_devtype(hidEndpoint, "usb", "usb_device");
var parentDevname = udev_device_get_property_value(parentDevice, "DEVNAME");
if (parentDevname == devname)
{
endpointPaths.Add(sysPath);
}
}
fixed(byte *endpointDescriptors = otherDescriptors)
{
var descriptorPtr = (EndpointDescriptor *)endpointDescriptors;
int currentIndex = 0;
while (currentIndex < otherDescriptors.Length)
{
EndpointDescriptor descriptor = *descriptorPtr;
if (descriptor.bDescriptorType.HasFlag(DescriptorType.Endpoint))
{
int endpointNum = descriptor.bEndpointAddress & 0x0f;
bool endpointDirection = (descriptor.bEndpointAddress & (1 << 7)) != 0;
if (endpointNum == index)
{
return(new LinuxDeviceEndpoint(descriptor, endpointPaths[(int)index]));
}
}
currentIndex += descriptor.bLength;
descriptorPtr = (EndpointDescriptor *)(endpointDescriptors + currentIndex);
}
}
throw new Exception($"Requested endpoint {index} doesn't exist or is not available.");
}
internal unsafe LinuxDevice(udev_device *udevDevice, string devPath, DeviceDescriptor descriptor, byte[] otherDescriptors = null)
{
InternalFilePath = devPath;
this.descriptor = descriptor;
this.otherDescriptors = otherDescriptors;
SetValues(descriptor);
var busnum = udev_device_get_sysattr_value(udevDevice, "busnum");
var devnum = udev_device_get_sysattr_value(udevDevice, "devnum");
this.devname = $"/dev/bus/usb/{int.Parse(busnum):D3}/{int.Parse(devnum):D3}";
this.Manufacturer = udev_device_get_sysattr_value(udevDevice, "manufacturer");
this.ProductName = udev_device_get_sysattr_value(udevDevice, "product");
this.SerialNumber = udev_device_get_property_value(udevDevice, "serial");
}
public static extern string udev_device_get_devpath(udev_device *udev_device);
public static extern udev_device *udev_device_get_parent(udev_device *udev_device);
public static extern udev_device *udev_device_get_parent_with_subsystem_devtype(
udev_device *udev_device,
[MarshalAs(UnmanagedType.LPStr)] string subsystem,
[MarshalAs(UnmanagedType.LPStr)] string devtype
);
public static extern udev_device *udev_device_unref(udev_device *udev_device);
public static extern udev *udev_device_get_udev(udev_device *udev_device);
public static extern udev_list_entry *udev_device_get_tags_list_entry(udev_device *udev_device);
public static extern int udev_device_has_tag(
udev_device *udev_device,
[MarshalAs(UnmanagedType.LPStr)] string tag
);
public static extern int udev_device_get_is_initialized(udev_device *udev_device);
public static extern string udev_device_get_devnode(udev_device *udev_device);
public static extern string udev_device_get_action(udev_device *udev_device);
public static extern ulong udev_device_get_seqnum(udev_device *udev_device);
public static extern string udev_device_get_driver(udev_device *udev_device);
public static extern string udev_device_get_property_value(
udev_device *udev_device,
[MarshalAs(UnmanagedType.LPStr)] string key
);
public static extern udev_list_entry *udev_device_get_sysattr_list_entry(udev_device *udev_device);
public static extern string udev_device_get_subsystem(udev_device *udev_device);
public static extern int udev_device_set_sysattr_value(
udev_device *udev_device,
[MarshalAs(UnmanagedType.LPStr)] string sysattr,
[MarshalAs(UnmanagedType.LPStr)] string value
);
public static extern ulong udev_device_get_usec_since_initialized(udev_device *udev_device);
public static extern udev_list_entry *udev_device_get_properties_list_entry(udev_device *udev_device);
public static extern string udev_device_get_sysattr_value(
udev_device *udev_device,
[MarshalAs(UnmanagedType.LPStr)] string sysattr
);
public static extern string udev_device_get_sysnum(udev_device *udev_device);
