Re: Python-list Digest, Vol 112, Issue 114

Path	csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!eweka.nl!lightspeed.eweka.nl!194.134.4.91.MISMATCH!news2.euro.net!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path	<levinie001@gmail.com>
X-Original-To	python-list@python.org
Delivered-To	python-list@mail.python.org
X-Spam-Status	OK 0.026
X-Spam-Evidence	'H': 0.95; 'S': 0.00; 'broken': 0.03; 'subject:Python': 0.05; 'case.': 0.05; 'discard': 0.05; 'reason,': 0.07; 'blocking': 0.09; 'exceeds': 0.09; 'length.': 0.09; "wouldn't": 0.11; '(the': 0.15; 'deadlock': 0.16; 'eckhardt': 0.16; 'length,': 0.16; 'line)': 0.16; 'project)': 0.16; 'shutdown()': 0.16; 'twisted': 0.16; 'subject:Issue': 0.17; 'jan': 0.18; 'http': 0.22; 'work,': 0.22; 'work.': 0.23; 'errors': 0.23; 'header:In-Reply-To:1': 0.25; '----------': 0.26; 'wondering': 0.26; 'question': 0.27; '+0100': 0.27; 'message- id:@mail.gmail.com': 0.27; "doesn't": 0.28; 'skip:( 20': 0.28; 'subject:list': 0.28; 'header,': 0.29; 'request,': 0.29; 'date:': 0.29; 'case,': 0.29; "i'm": 0.29; 'connection': 0.30; 'server.': 0.32; 'file': 0.32; 'could': 0.32; 'skip:s 30': 0.33; 'advertised': 0.33; 'to:addr:python-list': 0.33; 'that,': 0.34; "can't": 0.34; 'received:google.com': 0.34; 'server': 0.35; 'received:209.85.220': 0.35; 'received:209.85': 0.35; 'something': 0.35; 'there': 0.35; 'subject:': 0.36; 'but': 0.36; 'closing': 0.36; 'data.': 0.36; 'email addr:python.org': 0.36; 'client': 0.36; 'should': 0.36; 'does': 0.37; 'two': 0.37; 'why': 0.37; 'received:209': 0.37; 'data': 0.37; 'subject:: ': 0.38; 'from:': 0.38; 'comment': 0.38; 'some': 0.38; 'things': 0.38; 'to:addr:python.org': 0.39; 'where': 0.40; 'subject:-': 0.40; 'your': 0.60; 'subject:, ': 0.61; 'personally': 0.61; 'side': 0.61; 'back': 0.62; 'email name:python-list': 0.62; 'close': 0.63; 'request.': 0.64; 'sit': 0.65; 'finally': 0.66; 'fact,': 0.69; 'receive': 0.71; 'connection.': 0.75; 'charset:gb2312': 0.77; '2013': 0.84; 'closing,': 0.84; 'couch': 0.84; 'here...': 0.84; 'interrupt': 0.84; 'nice,': 0.84; 'approach.': 0.91; 'do:': 0.91
DKIM-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:content-type; bh=7hxI49D2Q3L1v29VNR4ACL/vb3fyyuQIMZiWI4rkiko=; b=K8PVDwNYvGI7exHxY7RI1aMiPOPowX0sul5JrEK04bFhf3Bk1aBjaUAqEgzvY4yZea /9qjorbe4YXRnN3rIkkqptnlwt6+6w1hQbZwP02kmWKP/zvew86mPjS2HanYno7Ni1+x VzZ06nTaf1DBaonpq+45oaLaPjc7/6IeWGZCkvaP8O5jBhVMHDaL1m03pMDyLNbeSU3a O0qHXQ6HPufq/pGCATIJ9OM/stykHIH2h/QTr5Mn3elKLKWJ3L+OpZyCyzFBvsXqq23S HLpiZc6aPdeRHI0sTCm1pxkN779bkY5pjSssYotfH5C1s476J76LmUVNz0cHbw41s0t9 Bscw==
MIME-Version	1.0
X-Received	by 10.52.156.72 with SMTP id wc8mr390350vdb.77.1358330269118; Wed, 16 Jan 2013 01:57:49 -0800 (PST)
In-Reply-To	<mailman.2552.1358265303.2938.python-list@python.org>
References	<mailman.2552.1358265303.2938.python-list@python.org>
Date	Wed, 16 Jan 2013 17:57:49 +0800
Subject	Re: Python-list Digest, Vol 112, Issue 114
From	Levi Nie <levinie001@gmail.com>
To	Python-list Digest <python-list@python.org>
Content-Type	multipart/alternative; boundary=bcaec53aef5c2db0bb04d364e9f1
X-BeenThere	python-list@python.org
X-Mailman-Version	2.1.15
Precedence	list
List-Id	General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe	<http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive	<http://mail.python.org/pipermail/python-list/>
List-Post	<mailto:python-list@python.org>
List-Help	<mailto:python-list-request@python.org?subject=help>
List-Subscribe	<http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups	comp.lang.python
Message-ID	<mailman.566.1358330272.2939.python-list@python.org> (permalink)
Lines	123
NNTP-Posting-Host	2001:888:2000:d::a6
X-Trace	1358330272 news.xs4all.nl 6927 [2001:888:2000:d::a6]:60617
X-Complaints-To	abuse@xs4all.nl
Xref	csiph.com comp.lang.python:36890

Show key headers only | View raw

[Multipart message — attachments visible in raw view] - view raw

TKS, Ulrich.
    I finally write some back (self.transport.write()), and shutdown the
connections.

>
> ---------- 已转发邮件 ----------
> From: Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com>
> To: python-list@python.org
> Cc:
> Date: Tue, 15 Jan 2013 13:46:52 +0100
> Subject: Re: interrupt the file sending if the file size over the
> quota...some errors here...
> Am 15.01.2013 10:46, schrieb Levi Nie:
>
>> i want to interrupt the file sending. but i can't change the client. so i
>> need change the server.
>> All things go well, but the message i wanna response seem not work.
>>
>
> Ahem, what? It doesn't work, so does it sit on the couch all day?
>
>
>  is the self.transport.loseConnection(**) (the last line) blocking the
>> messages?
>> in fact, i work on Cumulus(nimbus project) which based on twisted. And i
>> use s3cmd as the client.
>>
>
> I'm wondering if questions concerning twisted don't have a better forum.
> In any case, I can only comment on the general approach. For that, there
> are two things you can do:
>
> 1. When receiving the the request header, you have a content length. If
> that exceeds the allowed amount, shutdown() receiving and send an according
> HTTP response before closing the connection.
> 2. If the data exceeds the amount advertised by the content length, close
> the connection and discard the request. If you want to be nice, send an
> according response before closing, but I personally wouldn't go to that
> effort for broken HTTP clients.
>
> Concerning the question why your client hangs, it could also be the
> sending. If you try to send something before receiving the full request,
> client and server could enter a deadlock where each side waits for the
> other to receive some data. For that reason, you should shutdown()
> receiving in such a case.
>
> HTH
>
> Uli
>
>
>
>

Back to comp.lang.python | Previous | Next | Find similar | Unroll thread

Thread

Re: Python-list Digest, Vol 112, Issue 114 Levi Nie <levinie001@gmail.com> - 2013-01-16 17:57 +0800

csiph-web