Re: [Simpleweb-Support] How to shutdown?

[Niall G. <gal...@ya...>]

Hi Stefan,=0A=0AYou can make use of the signal framework by making your thr=
eads Daemon objects. So instead of extending thread or using a thread use a=
 Daemon object. This object will recieve a shutdown signal when the Signall=
er is asked to shutdown. Also a Module is like the Daemon, however instead =
of using it with threads you would use the Module with arbitrary objects th=
at want to listen for a shutdown signal. Using it in this way the Signaller=
 can send signals to parts of the server that wish to shutdown gracefully.=
=0A =0ANiall Gallagher=0A=0A----- Original Message ----=0AFrom: Stefan H=FC=
bner <sth...@go...>=0ATo: Simple support and user issues <simpl=
ewe...@li...>=0ASent: Wednesday, April 4, 2007 4:28:2=
0 PM=0ASubject: Re: [Simpleweb-Support] How to shutdown?=0A=0ANiall,=0A=0AI=
 had a look at the new signal-framework but couldn't get much out of=0Ait. =
Could you be so kind to provide an example of how to make use of=0Athe new =
Module-class? I.e. what would I use a Module for?=0A=0AAnd whats your sugge=
stion for how to shut down a PipelineHandler and=0Ait's Processors?=0A=0AMy=
 use case is to emulate (implemented as a Simple Resource) some web=0Aservi=
ces providing backend communication  for a component under unit=0Atest. I w=
ant to configure the http services in different ways,=0Adepending on the un=
it test to be run. To reconfigure I need to be able=0Ato start and stop the=
 service completely.=0AIs this possible using Simple and it's signal framew=
ork?=0A=0ARegards,=0AStefan=0A=0A2007/3/22, Niall Gallagher <gallagher_nial=
l...@ya...>:=0A> Hi,=0A>=0A> I have written a signalling framework which w=
ill be used in Simple so send signals to all threads and processes within t=
he server when something happens. For instance a shutdown signal will be di=
stributed to all threads to allow them to shutdown cleanly. When I get the =
time to finally release the next version this will be included it is locate=
d at:=0A>=0A> https://svn.sourceforge.net/svnroot/simpleweb/branches/3.2/sr=
c/simple/signal/=0A>=0A> Niall Gallagher=0A>=0A> ----- Original Message ---=
-=0A> From: Stefan H=FCbner <sth...@go...>=0A> To: Simple suppo=
rt and user issues <sim...@li...>=0A> Sent: Wedn=
esday, March 21, 2007 7:54:23 PM=0A> Subject: Re: [Simpleweb-Support] How t=
o shutdown?=0A>=0A> Hi Oscar,=0A>=0A> 2007/3/21, Oscar Perez <os_carp@telef=
onica.net>:=0A> > Hi,=0A> > I don't have an answer to you, but I faced the =
same problem just a week=0A> > ago and what I did was to track all the star=
ted threads to kill them at=0A> > shutdown time. I'll not post my code here=
 now, but I'll advise you to=0A> > not do as me, as I lost a lot of hours t=
racking threads and debugging...=0A>=0A> Thank you for that :-)=0A>=0A> > I=
 guess LoaderEngine was not designed to have a clean shutdown?=0A> >=0A> Wh=
at I figured out, when I had a second look into Simple's code, is=0A> that =
there is at least the opportunity to close() the ServerSocket the=0A> conne=
ction is connect()ed with. After close() Simple won't serve any=0A> request=
 sent to the port the socket was serving.=0A>=0A> But getting rid of all th=
ose threads seems like a mission impossible,=0A> given how much Simple reli=
es on Singletons. One hardly gets the chance=0A> to get hold of all those h=
idden instances, I guess.=0A>=0A> Cheers,=0A> Stefan=0A> >=0A> > En/na Stef=
an H=FCbner ha escrit:=0A> > > Hi,=0A> > >=0A> > > Excuse me, if this has b=
een asked before, but how do I shutdown a=0A> > > LoaderEngine? Is there a =
way to do so?=0A> > >=0A> > > Cheers,=0A> > > Stefan=0A> > >=0A> > > ------=
-------------------------------------------------------------------=0A> > >=
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