Lightwight socket IO wrapper

Marko Rauhamaa marko at pacujo.net
Mon Sep 21 10:38:38 CEST 2015


Chris Angelico <rosuav at gmail.com>:

> On Mon, Sep 21, 2015 at 5:59 PM, Marko Rauhamaa <marko at pacujo.net> wrote:
>> You can read a full buffer even if you have a variable-length length
>> encoding.
>
> Not sure what you mean there. Unless you can absolutely guarantee that
> you didn't read too much, or can absolutely guarantee that your
> buffering function will be the ONLY way anything reads from the
> socket, buffering is a problem.

Only one reader can read a socket safely at any given time so mutual
exclusion is needed.

If you read "too much," the excess can be put in the application's read
buffer where it is available for whoever wants to process the next
message.


Marko


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