Delivery-Date: Wed Nov 19 19:54:31 2008
Message-Id: <200811200351.mAK3pfJG014078@bourbon.usc.edu>
To: cs551@merlot.usc.edu
Subject: Re: Project Part 2: Get command
Date: Wed, 19 Nov 2008 19:51:41 -0800
From: Bill Cheng <william@bourbon.usc.edu>

Someone wrote:

  > Or even before we decide to service the Get request, we can do a local check
  > to see if another file with the same filename exists and if the user wants
  > to overwrite this file? If the User says Yes Overwrite, then proceed else
  > just dont do anything. Am I getting something wrong here?

You should not do that.  If the user is interested in the file,
you should retrieve the file so that nodes in the middle of
the network has an opportunity to cache the file.  If a file
is popular, you want it to get copied.
--
Bill Cheng // bill.cheng@usc.edu <URL:http://merlot.usc.edu/william/usc/>


  On Wed, Nov 19, 2008 at 2:47 PM, Omkar Govardhan Prabhu <oprabhu@usc.edu>wrote:
  
  > When we do a "get <filenumber> <extfile>", and successfully retrieve a
  > file, Suppose another file with the same filename exists in the Nodes
  > Current Working Directory. In this case, the User is asked if he/she "wants
  > to overwrite the file", right?(Also at this stage there is a file created in
  > the files directory for e.g. 3.data)
  >
  > Now, suppose the user says He DOESNOT want to overwrite the file.So, should
  > the 3.data in the files directory be deleted and should this node not serve
  > the file anymore?