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Re: Lightwight socket IO wrapper

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>
Date 2015-09-21 18:07 +1000
Subject Re: Lightwight socket IO wrapper
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.24.1442822846.28679.python-list@python.org> (permalink)

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On Mon, Sep 21, 2015 at 5:59 PM, Marko Rauhamaa <marko@pacujo.net> wrote:
> Chris Angelico <rosuav@gmail.com>:
>
>> On Mon, Sep 21, 2015 at 4:27 PM, Cameron Simpson <cs@zip.com.au> wrote:
>>> For sizes below 128, one byte of length. For sizes 128-16383, two bytes. And
>>> so on. Compact yet unbounded.
>>
>> [...]
>>
>> It's generally a lot faster to do a read(2) than a loop with any
>> number of read(1), and you get some kind of bound on your allocations.
>> Whether that's important to you or not is another question, but
>> certainly your chosen encoding is a good way of allowing arbitrary
>> integer values.
>
> 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.

ChrisA

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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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