Re:Re:Re:Re: Puzzled at storeAppend. :-(

Thanks, Henrik pal!

You have clarified all my doubts. :-)

Best regards,
George Ma

----- Original Message -----
From: Henrik Nordstrom
To: maer727@sohu.com
Subject: Re:Re:Re: Puzzled at storeAppend. :-(
Sent: Sun Apr 21 17:29:45 CST 2002

> Correct.
>
>
> On Sunday 21 April 2002 04:21, you wrote:
> > Thanks, Henrik pal!
> >
> > I also try to find the answer by myself after posting the question.
> > I find in ftp.c, it is doing the same task as you said. After
> > copying data and all the "tags" of HTML, the buffer will flush. And
> > not simply just copying data and flush buffer, then copying tags
> > and flush again. :-) Am I correct?
> >
> > Best regards,
> > George Ma
> >
> >
> >
> > ----- Original Message -----
> > From: Henrik Nordstrom
> > To: maer727@sohu.com
> > Cc: squid-dev@squid-cache.org
> > Subject: Re:Re: Puzzled at storeAppend. :-(
> > Sent: Sat Apr 20 23:53:41 CST 2002
> >
> > > You are correct.
> > >
> > > A writer (one calling storeAppend()) can by calling storeBuffer()
> > > tell the store layer to internally buffer all data, delay sending
> > > it to the store clients until storeBufferFlush() is called. This
> > > is to avoid having store clients being invoked on small fragments
> > > of data when it is known more will be added immediately.
> > >
> > > Regards
> > > Henrik
> > >
> > > On Saturday 20 April 2002 15:39, maer727@sohu.com wrote:
> > > > Thanks, Henrik pal!
> > > >
> > > > I have got some ideas for the variable. For example, in
> > > > storeBuffer,
> > > >
> > > > void
> > > > storeBuffer(StoreEntry * e)
> > > > {
> > > > EBIT_SET(e->flags, DELAY_SENDING);
> > > > }
> > > >
> > > > in storeBufferFlush,
> > > > /* this just clears DELAY_SENDING and Invokes the handlers */
> > > > void
> > > > storeBufferFlush(StoreEntry * e)
> > > > {
> > > > EBIT_CLR(e->flags, DELAY_SENDING);
> > > > InvokeHandlers(e);
> > > > storeSwapOut(e);
> > > > }
> > > >
> > > > I think it means some process is delaying, for example, copying
> > > > something into the buffer. But I do not know clearly. :-) Can
> > > > you give me a simple explanation about the meaning of the
> > > > variable?
> > > >
> > > > Best regards
> > > > George Ma
> > > >
> > > > ----- Original Message -----
> > > > From: Henrik Nordstrom
> > > > To: maer727@sohu.com ;squid-dev@squid-cache.org
> > > > Cc: squid-dev@squid-cache.org
> > > > Subject: Re: Puzzled at storeAppend. :-(
> > > > Sent: Sat Apr 20 19:40:09 CST 2002
> > > >
> > > > > grep -C DELAY_SENDING store.c, then see how the functions
> > > > > found are being used in other parts of the code.
> > > > >
> > > > > Regards
> > > > > Henrik
> > > > >
> > > > > On Saturday 20 April 2002 10:46, maer727@sohu.com wrote:
> > > > > > Hi, pals!
> > > > > >
> > > > > > Take a look at the lines in storeAppend.c,
> > > > > >
> > > > > > if (EBIT_TEST(e->flags, DELAY_SENDING))
> > > > > > return;
> > > > > >
> > > > > > What is the meaning and function of DELAY_PENDING?
> > > > > >
> > > > > > I look up it in FAQ and squid.conf but failed. :-(
> > > > > >
> > > > > > Another question, what is the function of storeSwapout()?
> > > > > > After searching for some informations, I think it is used
> > > > > > for write an object from mem to disk. Am I correct?
> > > > > >
> > > > > > Best regards,
> > > > > > George Ma
Received on Sun Apr 21 2002 - 05:39:06 MDT