public virtual IObservable <BleWriteSegment> BlobWrite(Stream stream)
{
return(Observable.Create <BleWriteSegment>(async ob =>
{
var mtu = this.Service.Device.GetCurrentMtuSize();
var cts = new CancellationTokenSource();
var buffer = new byte[mtu];
var read = stream.Read(buffer, 0, buffer.Length);
var pos = read;
var len = Convert.ToInt32(stream.Length);
while (!cts.IsCancellationRequested && read > 0)
{
await this.Write(buffer).RunAsync(cts.Token);
var seg = new BleWriteSegment(buffer, pos, len);
read = stream.Read(buffer, 0, buffer.Length);
pos += read;
}
ob.OnCompleted();
return () => cts.Cancel();
}));
}
public virtual IObservable <BleWriteSegment> BlobWrite(Stream stream)
{
return(Observable.Create <BleWriteSegment>(async ob =>
{
// TODO: could request MTU increase on droid
// TODO: should check MTU size for buffer size in any case
var cts = new CancellationTokenSource();
var buffer = new byte[20];
var read = stream.Read(buffer, 0, buffer.Length);
var pos = read;
var len = Convert.ToInt32(stream.Length);
while (!cts.IsCancellationRequested && read > 0)
{
await this.Write(buffer).RunAsync(cts.Token);
var seg = new BleWriteSegment(buffer, pos, len);
read = stream.Read(buffer, 0, buffer.Length);
pos += read;
}
ob.OnCompleted();
return () => cts.Cancel();
}));
}
