private void AsyncRead(Handle handle, Result result, byte[] buf,
ulong bytesRequested, ulong bytesRead)
{
if (result == Result.Ok)
{
Array.Copy(buf, 0, buffer, offset + count - bytesRemaining, (int)bytesRead);
bytesRemaining -= (int)bytesRead;
if (bytesRemaining > 0)
{
buf = new byte[bytesRemaining];
Async.Read(handle, out buf[0], (uint)bytesRemaining,
new AsyncReadCallback(AsyncRead));
}
else if (cback != null)
{
asyncResult.SetComplete(null, count);
cback(asyncResult);
}
}
else if (result == Result.ErrorEof)
{
Array.Copy(buf, 0, buffer, offset + count - bytesRemaining, (int)bytesRead);
bytesRemaining -= (int)bytesRead;
asyncResult.SetComplete(null, count - bytesRemaining);
if (cback != null)
{
cback(asyncResult);
}
}
else if (cback != null)
{
Exception e = new IOException(Vfs.ResultToString(result));
asyncResult.SetComplete(e, -1);
cback(asyncResult);
}
}