Ensure all bytes of a message are received

[thomas-holmes]

#recv only has to provide up to the amount of requested bytes so it can terminate on large messages. Use #read instead which delivers exactly the requested number of bytes.

[thomas-holmes]

Another option is to loop around #recv until the desired amount of bytes have been retrieved. I have tried both and this is a smaller code change. It's possible that looping with #recv might allow for better behavior around an unstable network situation.

I'm not exactly sure how to write a test for this, I only encountered the problem with large messages (4000+ bytes) when going between machines.

[chrisroberts]

:+1:

[chrisroberts]

Applied. Thanks!