[Twisted-web] Close TCP Connection Using web resource.Resource
michaelt at voxtelecom.co.za
Thu May 7 15:22:47 EDT 2009
Thanks for the feedback.
There are no headers in our server that annotate this. Great idea though, I didn't realise that this was an option. What I will try is insert the "Connection: close" header in & see if the client responds with this (hopefully Twisted will then in turn close the connection).
FYI here are the headers in current server:
Content-Type: text/xml; charset=ISO-8859-1
HTTP/1.1 200 OK
Date: Thu, 07 May 2009 12:42:00 GMT
Content-Type: text/xml; charset=iso-8859-1
From: twisted-web-bounces at twistedmatrix.com on behalf of Drew Smathers
Sent: Thu 5/7/2009 08:47 PM
To: Twisted Web World
Subject: Re: [Twisted-web] Close TCP Connection Using web resource.Resource
On Thu, May 7, 2009 at 2:05 PM, Michael Toop <michaelt at voxtelecom.co.za> wrote:
> We are struggling to close a TCP connection using web
> resource.Resource (the TR69 SOAP spec. mandates that we close the connection
> when we are done).
> Our site is served in a TCP reactor & uses the NOT_DONE_YET variable in the
> def render_POST method. We close the render_POST with a
> request.write('data') & a request.finish() but the connection stays open,
> stub code below.
> We are not sure if it is the fact that we are using chunked encoding or if
> this is a bug?
> Please assist.
> Warm Regards,
> Michael Toop
> def render_POST(self,request):
> ...do stuff
> d = getSoapText(request)
> return server.NOT_DONE_YET
I'm guessing it was a typo above and should be something like:
d.addCallback(lambda ign: request.finish())
Also, I don't think request.finish necessarily entails closing the
connection as this depends upon whether or the channel is persistent
I think the rules for connection persistence in twisted.web are:
HTTP 1.1 and "Connection: close" in request headers: non-persistent
HTTP 1.1 and "Connection: close" NOT in request headers: persistent
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