So, now I can get server received if I add that into the callback, but at
"writing shutdown to server" I don't see response received or even
something for Eof.

On Tue, Jun 16, 2015 at 11:09 AM, David House <dhouse@janestreet.com> wrote:

> The first thing to try is to make sure that everything is getting flushed.
> For temporary debugging messages I strongly recommend just using
> [Core.Std.eprintf "<message>\n%!"].
>
> On 16 June 2015 at 16:03, Kenneth Adam Miller <kennethadammiller@gmail.com
> > wrote:
>
>> I'm having trouble with OCaml Async. I wrote a small server with it, and
>> right now I'm trying to unit test that server. Here's my code for the
>> server:
>>
>>
>> let _main ()=
>>   print_endline "Server running";
>>   let handler = print_endline in
>>   let socket = Tcp.on_port 5554 in
>>   let server = Tcp.Server.create socket (fun addr r w ->
>>       (Reader.contents r) >>| handler; (Writer.write w "got it")) in
>>   server
>>
>>
>>
>> In my unit test code I have:
>>
>> let test_shutdown test_ctxt = Thread_safe.block_on_async_exn (fun () -> (
>>       print_endline "test_shutdown";
>>       let server = Server._main () in
>>       server >>= fun server ->
>>       let where = Tcp.to_host_and_port "127.0.0.1" 5554 in
>>       Tcp.connect where >>= fun s ->
>>         let socket, r, w = s in
>>         ignore (Writer.write w "kill");
>>         ignore (Writer.flushed w);
>>         (Reader.recv r >>> function
>>           | `Ok result ->  print_endline ("writing shutdown to server" ^
>> result)
>>           | `Eof -> ());
>>         return ()
>>     )); ()
>>
>>
>>
>> I see test_shutdown and Server running, but not sign of "writing shutdown
>> to server" or even "got it"; why isn't my server or even any of the
>> connection executing?
>>
>
>