<!-- page05.html,v 1.5 2000/03/19 20:09:25 jcej Exp --> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <META NAME="GENERATOR" CONTENT="Mozilla/4.04 [en] (X11; I; Linux 2.0.32 i486) [Netscape]"> <META NAME="Author" CONTENT="James CE Johnson"> <TITLE>ACE Tutorial 009</TITLE> </HEAD> <BODY TEXT="#000000" BGCOLOR="#FFFFFF" LINK="#000FFF" VLINK="#FF0F0F"> <CENTER><B><FONT SIZE=+2>ACE Tutorial 009</FONT></B></CENTER> <CENTER><B><FONT SIZE=+2>Sending and receiving datagrams again</FONT></B></CENTER> <P> <HR WIDTH="100%"> In this tutorial we've expanded on Tutorial 8 to provide a more discriminating server application. The changes to the clients were trivial, amounting to not much more than the addition of a timeout when reading a server's potential response. The server change was a bit more since it had to compare the clients' query with it's own signature. <P>In a "real" system, the signatures you swap would probably include version information. You could even use a major/minor scheme where an exact match isn't necessary. Another upgrade might be to have a set of signatures at one or both ends of the conversation. The level of service provided by the server would be determined by the signature pair match. <P>Here's the final file list: <UL> <LI> <A HREF="Makefile">Makefile</A></LI> <LI> <A HREF="server.cpp">server.cpp</A></LI> <LI> <A HREF="directed_client.cpp">directed_client.cpp</A></LI> <LI> <A HREF="broadcast_client.cpp">broadcast_client.cpp</A></LI> </UL> <P><HR WIDTH="100%"> <CENTER>[<A HREF="../online-tutorials.html">Tutorial Index</A>] </CENTER>
