February 2008
Intermediate to advanced
752 pages
19h 5m
English
Content preview from C++ GUI Programming with Qt 4Become 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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15. Networking
- Writing FTP Clients
- Writing HTTP Clients
- Writing TCP Client–Server Applications
- Sending and Receiving UDP Datagrams
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 also provides the lower-level QTcpSocket and QUdpSocket classes, which implement the TCP and UDP transport protocols. TCP is a reliable connection-oriented protocol that operates in terms of data streams transmitted between network nodes, and UDP is an unreliable connectionless protocol ...
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