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Re: Lightwight socket IO wrapper

From Marko Rauhamaa <marko@pacujo.net>
Newsgroups comp.lang.python
Subject Re: Lightwight socket IO wrapper
Date 2015-09-21 11:38 +0300
Organization A noiseless patient Spider
Message-ID <871tdsp3ox.fsf@elektro.pacujo.net> (permalink)
References <CAPTjJmpuYp5uEDnRJqC9qKj-YkNRx1jW48WsRyRn+U0rzGiTYw@mail.gmail.com> <20150921062713.GA77399@cskk.homeip.net> <mailman.23.1442822248.28679.python-list@python.org> <876134p5hw.fsf@elektro.pacujo.net> <mailman.24.1442822846.28679.python-list@python.org>

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Chris Angelico <rosuav@gmail.com>:

> On Mon, Sep 21, 2015 at 5:59 PM, Marko Rauhamaa <marko@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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Thread

Re: Lightwight socket IO wrapper Chris Angelico <rosuav@gmail.com> - 2015-09-21 17:57 +1000
  Re: Lightwight socket IO wrapper Marko Rauhamaa <marko@pacujo.net> - 2015-09-21 10:59 +0300
    Re: Lightwight socket IO wrapper Chris Angelico <rosuav@gmail.com> - 2015-09-21 18:07 +1000
      Re: Lightwight socket IO wrapper Marko Rauhamaa <marko@pacujo.net> - 2015-09-21 11:38 +0300
        Re: Lightwight socket IO wrapper Chris Angelico <rosuav@gmail.com> - 2015-09-21 18:45 +1000
          Re: Lightwight socket IO wrapper Marko Rauhamaa <marko@pacujo.net> - 2015-09-21 11:48 +0300
            Re: Lightwight socket IO wrapper Marko Rauhamaa <marko@pacujo.net> - 2015-09-21 11:49 +0300
        Re: Lightwight socket IO wrapper Chris Angelico <rosuav@gmail.com> - 2015-09-21 18:50 +1000
          Re: Lightwight socket IO wrapper Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-22 07:59 +0000

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