Re:Re:Re: What is the meaning and function of ping_status?

From: Henrik Nordstrom <hno@dont-contact.us>
Date: Sun, 21 Apr 2002 11:27:11 +0200

Yes.

PING_NONE == We have not done ICP pinging

PING_WAITING == We have sent a ICP query and is waiting for the reply
to come back.

PING_DONE == ICP has completed

On Sunday 21 April 2002 11:09, maer727@sohu.com wrote:
> Thanks, Henrik pal!
>
> I search "ping" in peer_select.c, FAQ and squid.conf.
> And find it is used to meansure the RTT time of the
> origin server. We often use it to select ICP peers.
> I find there are such PING_STATUS,
> PING_NONE, PING_WAITING.
>
> After reading the related codes, I think PING_NONE means
> we do not use the ping mechanism or the ping event is not
> doing now. But I am not very sure about it. Am I correct?
> Can you give me a simple explanation?
>
> I think PING_WAITING means our cache is doing the ping
> event to measure the origin server and the RTT time of
> ICP peers. But I am not very sure about it. Am I correct?
> Can you give me a simple explanation?
>
> Best regards,
> George Ma
>
> ----- Original Message -----
> From: Henrik Nordstrom
> To: maer727@sohu.com
> Cc: squid-dev@squid-cache.org
> Subject: Re:Re: What is the meaning and function of ping_status?
> Sent: Sat Apr 20 23:46:48 CST 2002
>
> > The source is the documentation to these fields. ping_status is a
> > Squid internal field, only of relevance to Squid's internal ICP
> > implementation.
> >
> > See mainly peer_select.c, search for PING_
> >
> > The different possible states is defined in enums.h.
> >
> > Regards
> > Henrik
> >
> > On Saturday 20 April 2002 14:57, maer727@sohu.com wrote:
> > > Thanks, Henrik pal!
> > >
> > > Are there any documents about the topic? I want to know some
> > > details about it.
> > >
> > > If the document on the topic does not exist anywhere, can you
> > > give me a simple explanation? :-)
> > >
> > > Best regards,
> > > Geoege Ma
> > >
> > >
> > > ----- Original Message -----
> > > From: Henrik Nordstrom
> > > To: maer727@sohu.com ;squid-dev@squid-cache.org
> > > Cc: squid-dev@squid-cache.org
> > > Subject: Re: What is the meaning and function of ping_status?
> > > Sent: Sat Apr 20 19:33:30 CST 2002
> > >
> > > > It is the ICP ping status, telling the progress of ICP for
> > > > the request.
> > > >
> > > > Regards
> > > > Henrik
> > > >
> > > > On Saturday 20 April 2002 08:17, maer727@sohu.com wrote:
> > > > > Hi, pals!
> > > > >
> > > > > What is the meaning and function of ping_status member
> > > > > of structure StoreEntry? Does it has something to do with
> > > > > pinger_program?
> > > > >
> > > > > Can you give me a simple explanation about the meaning and
> > > > > function of ping_status?
> > > > >
> > > > > Best regards,
> > > > > George Ma
Received on Sun Apr 21 2002 - 03:49:45 MDT

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