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KOnline is the client side of a messaging system. It connects to a server
(konserver) and gets a list of other users who are currently online. You can
send short text messages to any user registered at the server. If the user is
not online at the moment the message is saved on the server and delivered as
soon as he comes back again.
Features that are currently implemented:
- You may search the database of registered users and add anyone to your
personal watchlist which is kept on the server.
- The server notifies you if any user of your watchlist goes on- or offline.
- You can send short text messages to any registered user.
- If the user is not online the message is saved on the server and delivered later.
- KOnline sends every 60 seconds a keep alive packet to the server. If the server
doesn't get a keep alive packet for 3 minutes it tries to reach the client directly.
If this does also fail then the server assumes that the client is offline.
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