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Hi all, I have a fairly strange problem, and I have no idea what sort of framework I should be using, Servlets look the most promising. Situation: I need to interface with an external TCP/IP device that is on the local network and can be connected to using hyperterminal (SSH) or by a socket connection for reading/writing ASCII. I need to be able to read events from this device and on an event change content on an HTML page being served.
To date I have managed to open a socket to Hyperterminal (localhost) and write an ASCII string to it by sumbitting a form to a JSP page that extracts form data opens the socket writes the data and closes the socket.
I still have no idea how to read from the socket and alter the page as that would require the server app to be continuously running and then send a refresh command to the page with updated details? anyone know if that is possible and if security restrictions will even allow a socket connection to another machine on the network.
then send a refresh command to the page with updated details?
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