Delivery-Date: Sun Aug 31 19:11:44 2008
Message-Id: <200809010219.m812JGuH004299@bourbon.usc.edu>
To: cs551@merlot.usc.edu
Subject: Re: Regarding Warm-up proj 1
Date: Sun, 31 Aug 2008 19:19:16 -0700
From: Bill Cheng <william@bourbon.usc.edu>

Someone wrote:

  > I had some queries regarding project 1 :
  > 1) the specs says "You must not fragment the response message
  > into packets or multiple messages".
  > Does it mean I can send the entire response (i.e. header and data
  > part) all at once to client , or should it be sent  byte by byte.

You must send it one byte at a time.  But you should keep in
mind that TCP has a stream abstraction.  So, you should not
even think about breaking a message into packets.

  > 2) For sending message byte by byte I am first taking values in
  > structure and then copying the values in character array buffer.
  > Then I am sending one byte at a time from client . At server read
  > one byte at a time in buffer and then store data in structure. I
  > just want to verify if I am using correct approach

I'm sorry but I cannot answer your question in e-mail!  Please
see the first bullet in:

    http://merlot.usc.edu/cs551-f08/description.html#email

If you really want to talk about this, please come to my
office hour to discuss this.

  > 3) Can we use List or int array to store pids of the child
  > processes?

Because the server needs to shutdown gracefully, the server
should keep track of the child processes.  You can use a
list or a dynamic array to keep track of the child pids.

I'm going to add some notes to the spec about this.
--
Bill Cheng // bill.cheng@usc.edu <URL:http://merlot.usc.edu/william/usc/>