What is the principle of server application?

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Hello.

I have SW that is installed locally, usual desktop windows app that connects to a hardware scanner/reader. When card is scanned/swiped the read data from scanner/reader and sends it to text area onscreen or file.

What I want is to make it work like server application or I don't know how its called.
The idea is to be installed on server and the clients to use the application along with the hardware device.

The procedure is like this:
The operator has PC Thin client with scanner connected. After scanning the scan image goes to server application process it and get back the result sending the data to the screen or saving it to file to the PC client.

Give me hints what to read to understand how server applications work or services.

Posted 14-Jan-15 19:59pm

Zhivko Kabaivanov

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Sinisa Hajnal 15-Jan-15 2:03am

It works exactly as you described. Client contacts server requesting some action / data / page and the server returns the result. Particulars depend on the system, it could be web server with web pages as clients. It could be web service, windows service, in case of uploads it could be small taskbar program that monitors the folder etc...

Nathan Minier 15-Jan-15 7:26am

If the thin client OS is designed and configured properly, it should use the peripherals of the local terminal as native devices.

Zhivko Kabaivanov 18-Jan-15 18:21pm

There are additianal drivers for the scanner

Nathan Minier 20-Jan-15 7:27am

So install those drivers on the hosting server; any USB/serial/parallel should act as a pass through.

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