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To: cs551@merlot.usc.edu
Subject: Re: 551 warmup-1
Date: Sun, 07 Sep 2008 07:56:35 -0700
From: Bill Cheng <william@bourbon.usc.edu>

Someone wrote:

  > How does the recv() know that the transmission has ended? Should I see the
  > data length in the message and run a loop for that many bytes?

Yes.  You should read the common header first and then use
the data length field to determine how many bytes to read.

  > Till now I was doing
  > while(ret == 1) {
  > .......ret = recv(....);
  > }

You should also call select() before recv().
--
Bill Cheng // bill.cheng@usc.edu <URL:http://merlot.usc.edu/william/usc/>