public static async Task CopyToAsync(this Stream stream, IWritableChannel channel)
{
while (true)
{
var end = channel.BeginWrite();
var block = end.Block;
try
{
int bytesRead = await stream.ReadAsync(block.Array, block.End, block.Data.Offset + block.Data.Count - block.End);
if (bytesRead == 0)
{
channel.CompleteWriting();
break;
}
else
{
end.UpdateEnd(bytesRead);
await channel.EndWriteAsync(end);
}
}
catch (Exception error)
{
channel.CompleteWriting(error);
break;
}
}
}
public static Task WriteAsync(this IWritableChannel channel, byte[] buffer, int offset, int length)
{
var end = channel.BeginWrite();
end.CopyFrom(buffer, offset, length);
return(channel.EndWriteAsync(end));
}