回复:Re: Puzzled at "new_StoreEntry"

Thanks, Henrik pal!

You have clarified all my doubts. :-)

Best regards,
George Ma

----- 原文 -----
From: Henrik Nordstrom
To: maer727@sohu.com
Cc: squid-dev@squid-cache.org
Subject: Re: Puzzled at "new_StoreEntry"
Sent: Tue Apr 16 22:30:15 CST 2002

> Basically yes. There are a few occations where the timestamp is updated, but
> all are related to changes in the object.
>
> Regards
> Henrik
>
> maer727@sohu.com wrote:
> > Thanks, Henrik pal!
> >
> > From your reply, I think the value of e->timestamp will not
> > change during its lifetime. Since it stands for the time when
> > it is received.
> >
> > Best regards,
> > George Ma
> >
> > ----- 原文 -----
> > From: Henrik Nordstrom
> > To: maer727@sohu.com ;squid-dev@squid-cache.org
> > Cc: squid-dev@squid-cache.org
> > Subject: Re: Puzzled at "new_StoreEntry"
> > Sent: Tue Apr 16 22:04:52 CST 2002
> >
> > > e->timestamp is the timestamp of the object. Usually when the object was
> > > retreived.
> > >
> > > e->lastref is when the object was last used.
> > >
> > > When the StoreEntry is new, before any object has actually been "stored"
> > > into it, all the timestamps are set to "unknown" (-1).
> > >
> > > Regards
> > > Henrik
> > >
> > > maer727@sohu.com wrote:
> > > > Hi, pals!
> > > >
> > > > I meet two troubles with the function "new_StoreEntry".
> > > >
> > > > Question 1:
> > > > What is the difference between e->timestamp and e->lastref?
> > > >
> > > > For example, in "new_StoreEntry", look at this line,
> > > > e->expires = e->lastmod = e->lastref = e->timestamp = -1;
> > > >
> > > > e->timestamp and e->lastref are initially the same. What is
> > > > timestamp stands for? Is it the same as e->lastref?
> > > >
> > > >
> > > > Question 2:
> > > > What is the difference between url and log_url? What do they
> > > > stand for?
> > > >
> > > > Best regards,
> > > > George, Ma
Received on Tue Apr 16 2002 - 08:36:00 MDT