December 2000
Intermediate to advanced
784 pages
20h 54m
English
Content preview from Network Programming with Perl
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An Internet Chat System
This chapter develops a useful UDP version of an Internet chat system. Like other chat systems that might be familiar to you, the software consists of a server that manages multiple discussion groups called "channels." Users log into the server using a command-line client, join whatever channels they are interested in, and begin exchanging public messages. Any public message that a user sends is echoed by the server to all members of the user's current channel. The server also supports private messages, which are sent to a single user only by using his or her login name. The system notifies users whenever someone joins or departs one of the channels they are monitoring.
A Sample Session
Figure 19.1 shows a sample session ...
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