XMLSocket is a class in ActionScript which allows Adobe Flash content to use socket communication, via TCP stream sockets. It can be used for plain text, although, as the name implies, it was made for XML. It is often used in chat applications and multiplayer games.
Examples
ActionScript 2.0
For a simple Hello, World! application in ActionScript 2.0, you could use the code below:
var xmlSocket:XMLSocket=new XMLSocket();
xmlSocket.onConnect=function() {
xmlSocket.send(new XML("<message><text>Hello, World!</text></message>"));
}
xmlSocket.onXML=function(myXML) {
trace(myXML.firstChild.childNodes[0].firstChild.nodeValue);
xmlSocket.close();
}
xmlSocket.connect("localhost",8463);
This would result in the output window of the Flash IDE opening and displaying "Hello, World!", assuming that a socket server was running on port 8463 of the local machine, and was echoing everything sent to it.
External links
- XML Sockets: the basics of multiplayer games, gotoAndPlay Flash Tutorials
- XMLSocket Simplified, Heliant Whitepaper for ActionScript
- Utilizing Flash Player XMLSockets for JavaScript applications
- Palabre, Simple open source XML socket server for Flash written in python
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