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From the Frontiers of Research to the Heart of the Enterprise
O'Reilly Open Source Convention
Sheraton San Diego Hotel and Marina
July 22-26, 2002 -- San Diego, CA


Apache

Tutorial

Network Programming With Perl
Lincoln D. Stein, Cold Spring Harbor Laboratory

Track: Perl
Date: Monday, July 22
Time: 8:45am - 12:15pm
Location: Grande Ballroom B

Intended Audience:

Novice to intermediate Perl programmers who understand the basics of input and output, loops, regular expression matches, and the array and hash data types. A working familiarity with Perl5's object-oriented syntax is also recommended. You should understand the basics of networking, including the concepts of IP addresses, DNS names, and servers.

Description:

This tutorial will show you how to write robust client/server applications in Perl. We will begin with simple TCP-based clients that you can use to talk such standard services as FTP, Web, Mail and Net News. We will then turn to writing client/server applications from scratch, using as our examples applications that range from toys (a TCP-based psychotherapist server) to full-scale applications (an Internet chat system based on multicasting).

Topics covered include:

  • Perl's low-level socket interface.
  • The high-level IO::Socket, IO::Select and IO::Poll modules.
  • Forward and reverse name resolution.
  • The Net::FTP, Net::Telnet, Net::SMTP, LWP and MIME modules
  • Choosing between TCP and UDP services.
  • Choosing the right server architecture:
    • fork-and-select
    • multiplexed
    • multithreaded
    • preforked
    • Advanced networking topics
    • broadcasting
    • multicasting
    • non-blocking I/O
After completing this tutorial, participants will understand how to build sophisticated client/server applications without leaving the power and convenience of the Perl programming language.



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