public override Task WriteAsync(IChannelHandlerContext ctx, object msg)
{
Task result;
ThreadLocalObjectList output = null;
try
{
if (base.AcceptOutboundMessage(msg))
{
output = ThreadLocalObjectList.NewInstance();
var cast = (PacketInfo)msg;
try
{
base.Encode(ctx, cast, output);
}
finally
{
ReferenceCountUtil.Release(cast);
}
if (output.Count == 0)
{
output.Return();
output = null;
throw new EncoderException(this.GetType().Name + " must produce at least one message.");
}
}
else
{
return(ctx.WriteAsync(msg));
}
}
catch (EncoderException e)
{
throw new EncoderException(e);
}
catch (Exception ex)
{
throw new EncoderException(ex);
}
finally
{
if (output != null)
{
if (output.Count > 0)
{
IByteBuffer byteBuffer = Unpooled.CopiedBuffer(output.ConvertAll(v => v as IByteBuffer).ToArray());
result = ctx.WriteAsync(new BinaryWebSocketFrame(byteBuffer));
}
else
{
// 0 items in output - must never get here
result = null;
}
output.Return();
}
else
{
// output was reset during exception handling - must never get here
result = null;
}
}
return(result);
}
