These How-To tips are taken from The Tutor.com Classroom: Architecture and techniques using Silverlight, WPF, and the Microsoft .NET Framework.Since a TCP/IP Listener is constantly in a listening state, the Listener needs to know when to act on the bytes received. To accomplish this, listen first for 8 ASCII bytes that represent two 32-bit integers specifying the number of bytes the sender is sending, and then continue listening until receiving this number of bytes. This is an easier solution to implement than using a delimiter to specify end-of-message, since you don’t have to worry about delimiter escaping, and since you can specify the exact number of bytes to listen for via the third parameter to SocketAsyncEventArgs.SetBuffer().
You can check out the Silverlight Tutor.com Classroom in "practice" mode, although the real experience is with a live tutor on the other side!
Wednesday, November 5, 2008
Tutor.com Classroom How-To #3: specifying "End-Of-Message" to a TCP/IP listener
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