Chapter 10. Forking Servers and the inetd Daemon
Although the simple TCP servers developed in Chapters 4 and 5 (Figures 4.2 and 5.4) are straightforward, they actually suffer a significant deficiency. Both of these servers work by servicing one client at a time. While they are working on one client, other clients can't connect.[1]
[1] Technically, they do connect, but the operating system queues them until the script calls accept (). No I/O can occur until the server has finished servicing the previous connection.
Connection-oriented servers must overlap their I/O by providing some sort of concurrency among the multiple sessions. This chapter discusses various techniques for doing so.
Get Network Programming with Perl now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
