How to Setup Host/Service for custom data?

Hi guys!
I am wondering if it is possible to setup some kind of host (like xamp or wamp) or service which can listen for data, sent from a pc on phone ip address?
In most of the applications we call server for data via http client etc. what I want is to reverse this process and instead I want the server to send the data to the client if server has any new records.
Example:
Pc send “Hello worlds!” to phone (192.168.1.100). Service/host recognize the data and signal my app to process it. Now my app just gets the data and show it in the view.