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Custom XML message socket listener

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I'm trying to figure out the most elegant way to write a listener thread that constantly listens on a given Socket for incoming TCP/IP messages.

Each individual TCP/IP message is composed of 4 bytes followed an XML document. The first 4 bytes are an integer that tells how long the subsequent XML document is.

How would you write something that listens on a socket and can pick up and process a message like this?

What goes inside the while parentheses?

[ June 15, 2005: Message edited by: Carl Bradbury ]
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