January 2004
Intermediate to advanced
464 pages
9h 59m
English
Content preview from C++ GUI Programming with Qt 3Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 13. Networking
Qt provides the QFtp and QHttp classes for working with FTP and HTTP. These protocols are easy to use for downloading and uploading files and, in the case of HTTP, for sending requests to web servers and retrieving the results.
Qt’s QFtp and QHttp classes are built on the lower-level QSocket class, which provides a TCP socket. TCP operates in terms of data streams transmitted between network nodes. QSocket is in turn implemented on top of QSocketDevice, a thin wrapper around the platform-specific network APIs. The QSocketDevice class supports both TCP and UDP.
In this chapter, we will learn how to use the four classes mentioned above and other ...
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