public override IObservable <DescriptorResult> Write(byte[] data)
{
return(Observable.Create <DescriptorResult>(ob =>
{
var p = this.native.Characteristic.Service.Peripheral;
var handler = new EventHandler <CBDescriptorEventArgs>((sender, args) =>
{
if (args.Descriptor.UUID.Equals(this.native.UUID))
{
if (args.Error != null)
{
ob.OnError(new ArgumentException(args.Error.ToString()));
}
else
{
this.Value = data;
var result = new DescriptorResult(this, DescriptorEvent.Write, this.Value);
ob.Respond(result);
this.WriteSubject.OnNext(result);
}
}
});
p.WroteDescriptorValue += handler;
var nsdata = NSData.FromArray(data);
p.WriteValue(nsdata, this.native);
return () => p.WroteDescriptorValue -= handler;
}));
}
public override IObservable <DescriptorResult> Read()
{
//this.native.Permissions == GattDescriptorPermission.Read
return(Observable.Create <DescriptorResult>(ob =>
{
var handler = new EventHandler <GattDescriptorEventArgs>((sender, args) =>
{
if (args.Descriptor.Equals(this.native))
{
if (!args.IsSuccessful)
{
ob.OnError(new ArgumentException($"Failed to read descriptor value {this.Uuid} - {args.Status}"));
}
else
{
this.Value = this.native.GetValue();
var result = new DescriptorResult(this, DescriptorEvent.Write, this.Value);
ob.Respond(result);
this.ReadSubject.OnNext(result);
}
}
});
this.context.Callbacks.DescriptorRead += handler;
this.context.Gatt.ReadDescriptor(this.native);
return () => this.context.Callbacks.DescriptorRead -= handler;
}));
}
public override IObservable <DescriptorResult> Read()
{
return(Observable.Create <DescriptorResult>(ob =>
{
var p = this.native.Characteristic.Service.Peripheral;
var handler = new EventHandler <CBDescriptorEventArgs>((sender, args) =>
{
if (args.Descriptor.UUID.Equals(this.native.UUID))
{
if (args.Error != null)
{
ob.OnError(new ArgumentException(args.Error.ToString()));
}
else
{
this.Value = ((NSData)args.Descriptor.Value).ToArray();
var result = new DescriptorResult(this, DescriptorEvent.Read, this.Value);
ob.Respond(result);
this.ReadSubject.OnNext(result);
}
}
});
p.UpdatedValue += handler;
p.ReadValue(this.native);
return () => p.UpdatedValue -= handler;
}));
}
public override IObservable <DescriptorResult> Write(byte[] data)
{
return(Observable.Create <DescriptorResult>(ob =>
{
var handler = new EventHandler <GattDescriptorEventArgs>((sender, args) =>
{
if (args.Descriptor.Equals(this.native))
{
if (!args.IsSuccessful)
{
ob.OnError(new ArgumentException($"Failed to write descriptor value - {this.Uuid} - {args.Status}"));
}
else
{
this.Value = data;
var result = new DescriptorResult(this, DescriptorEvent.Write, data);
ob.Respond(result);
this.WriteSubject.OnNext(result);
}
}
});
this.context.Callbacks.DescriptorWrite += handler;
AndroidConfig.SyncPost(() =>
{
this.native.SetValue(data);
this.context.Gatt.WriteDescriptor(this.native);
});
return () => this.context.Callbacks.DescriptorWrite -= handler;
}));
}
