private void NativeDiskDisappeared(IntPtr disk, IntPtr context)
{
if (this.DeviceDisappeared == null)
{
// if no-one subscribed to this event, do nothing
return;
}
IntPtr device = DiskArbitration.DADiskCopyIOMedia(disk);
IntPtr propertiesRef = DiskArbitration.DADiskCopyDescription(disk);
NSDictionary properties = new NSDictionary(propertiesRef);
DeviceArguments deviceArguments = new DeviceArguments(properties, this);
if (properties.HasKey("DADeviceProtocol") && properties.GetStringValue("DADeviceProtocol") == "USB")
{
OsxUsbData usb = new OsxUsbData(device);
deviceArguments.UsbInfo = usb;
}
IOKit.IOObjectRelease(device);
this.DeviceDisappeared(this, deviceArguments);
GC.KeepAlive(this);
}
private void NativeDiskChanged(IntPtr disk, IntPtr keys, IntPtr context)
{
if (this.DeviceChanged == null)
{
// if no-one subscribed to this event, do nothing
return;
}
IntPtr device = DiskArbitration.DADiskCopyIOMedia(disk);
IntPtr propertiesRef = DiskArbitration.DADiskCopyDescription(disk);
// using MonoMac we can get a managed NSDictionary from the pointer
NSDictionary properties = new NSDictionary(propertiesRef);
DeviceArguments deviceArguments = new DeviceArguments(properties, this);
if (properties.HasKey("DADeviceProtocol") && properties.GetStringValue("DADeviceProtocol") == "USB")
{
OsxUsbData usb = new OsxUsbData(device);
deviceArguments.UsbInfo = usb;
}
IOKit.IOObjectRelease(device);
// trigger the public event for any subscribers
this.DeviceChanged(this, deviceArguments);
GC.KeepAlive(this);
}
protected static string GetUUIDFromProperties(NSDictionary properties)
{
// this is somewhat troublesome
// some devices have a filesystem UUID (i.e. HFS+ formated ones), but most other devices don't.
// As the different devices/volumes have not really always a key in common, we use different keys
// depending on the device type, and generate a UUID conforming 16byte value out of it
string uuid_src =
properties.GetStringValue("DAMediaBSDName") ??
properties.GetStringValue("DADevicePath") ??
properties.GetStringValue("DAVolumePath");
if (string.IsNullOrEmpty(uuid_src))
{
Hyena.Log.ErrorFormat("Tried to create a device for which we can't determine a UUID");
throw new ApplicationException("Could not determine a UUID for the device");
}
// TODO actually transform into a real UUID
return(uuid_src);
}
private void NativeDiskDisappeared(IntPtr disk, IntPtr context)
{
if (this.DeviceDisappeared == null) {
// if no-one subscribed to this event, do nothing
return;
}
IntPtr device = DiskArbitration.DADiskCopyIOMedia (disk);
IntPtr propertiesRef = DiskArbitration.DADiskCopyDescription (disk);
NSDictionary properties = new NSDictionary (propertiesRef);
DeviceArguments deviceArguments = new DeviceArguments (properties, this);
if (properties.HasKey ("DADeviceProtocol") && properties.GetStringValue ("DADeviceProtocol") == "USB") {
OsxUsbData usb = new OsxUsbData (device);
deviceArguments.UsbInfo = usb;
}
IOKit.IOObjectRelease (device);
this.DeviceDisappeared (this, deviceArguments);
GC.KeepAlive (this);
}
private void NativeDiskChanged(IntPtr disk, IntPtr keys, IntPtr context)
{
if (this.DeviceChanged == null) {
// if no-one subscribed to this event, do nothing
return;
}
IntPtr device = DiskArbitration.DADiskCopyIOMedia (disk);
IntPtr propertiesRef = DiskArbitration.DADiskCopyDescription (disk);
// using MonoMac we can get a managed NSDictionary from the pointer
NSDictionary properties = new NSDictionary (propertiesRef);
DeviceArguments deviceArguments = new DeviceArguments (properties, this);
if (properties.HasKey ("DADeviceProtocol") && properties.GetStringValue ("DADeviceProtocol") == "USB") {
OsxUsbData usb = new OsxUsbData (device);
deviceArguments.UsbInfo = usb;
}
IOKit.IOObjectRelease (device);
// trigger the public event for any subscribers
this.DeviceChanged (this, deviceArguments);
GC.KeepAlive (this);
}
protected static string GetUUIDFromProperties(NSDictionary properties)
{
// this is somewhat troublesome
// some devices have a filesystem UUID (i.e. HFS+ formated ones), but most other devices don't.
// As the different devices/volumes have not really always a key in common, we use different keys
// depending on the device type, and generate a UUID conforming 16byte value out of it
string uuid_src =
properties.GetStringValue ("DAMediaBSDName") ??
properties.GetStringValue ("DADevicePath") ??
properties.GetStringValue ("DAVolumePath");
if (string.IsNullOrEmpty (uuid_src)) {
Hyena.Log.ErrorFormat ("Tried to create a device for which we can't determine a UUID");
throw new ApplicationException ("Could not determine a UUID for the device");
}
// TODO actually transform into a real UUID
return uuid_src;
}
