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Groups > comp.lang.python > #97013

Re: Lightwight socket IO wrapper

From Gregory Ewing <greg.ewing@canterbury.ac.nz>
Newsgroups comp.lang.python
Subject Re: Lightwight socket IO wrapper
Date 2015-09-23 12:47 +1200
Message-ID <d6eb4uFi26U1@mid.individual.net> (permalink)
References (1 earlier) <mailman.37.1442754893.21674.python-list@python.org> <mtnc9q$pqs$1@dont-email.me> <mailman.12.1442794762.28679.python-list@python.org> <mtsb10$uoj$1@dont-email.me> <mailman.84.1442965978.28679.python-list@python.org>

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Random832 wrote:

> Isn't this technically the same problem as pressing ctrl-d at a terminal
> - it's not _really_ the end of the input (you can continue reading
> after), but it sends the program something it will interpret as such?

Yes. There's no concept of "closing the connection" with UDP,
because there's no connection. So if a read returns 0 bytes,
it must be because someone sent you a 0-length datagram.

-- 
Greg

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Thread

Lightwight socket IO wrapper "James Harris" <james.harris.1@gmail.com> - 2015-09-20 11:22 +0100
  Re: Lightwight socket IO wrapper Akira Li <4kir4.1i@gmail.com> - 2015-09-20 16:15 +0300
    Re: Lightwight socket IO wrapper "James Harris" <james.harris.1@gmail.com> - 2015-09-20 23:36 +0100
      Re: Lightwight socket IO wrapper Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-09-20 20:19 -0400
        Re: Lightwight socket IO wrapper Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-09-21 17:46 +1200
        Re: Lightwight socket IO wrapper Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-21 11:25 +0000
        Re: Lightwight socket IO wrapper "James Harris" <james.harris.1@gmail.com> - 2015-09-22 20:45 +0100
          Re: Lightwight socket IO wrapper Random832 <random832@fastmail.com> - 2015-09-22 19:52 -0400
            Re: Lightwight socket IO wrapper Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-09-23 12:47 +1200
      Re: Lightwight socket IO wrapper Chris Angelico <rosuav@gmail.com> - 2015-09-21 10:34 +1000
      Re: Lightwight socket IO wrapper Akira Li <4kir4.1i@gmail.com> - 2015-09-21 06:07 +0300
        Re: Lightwight socket IO wrapper "James Harris" <james.harris.1@gmail.com> - 2015-09-22 21:05 +0100
          Re: Lightwight socket IO wrapper Marko Rauhamaa <marko@pacujo.net> - 2015-09-23 00:00 +0300
            Re: Lightwight socket IO wrapper "James Harris" <james.harris.1@gmail.com> - 2015-09-22 22:28 +0100

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