Chat client demo
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What's this?
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- A chat client, modeled as a statechart interacting with native Python code (in 'lib').
- A matching chat server, ad-hoc implemented in small python script.
Specification of the client's behavior can be found here:
http://msdl.cs.mcgill.ca/people/hv/teaching/MoSIS/assignments/Statecharts
Running
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To start the server:
python3 run_server.py 9000
where '9000' is the desired listening port.
To launch the client (in another terminal):
python3 run_client.py
The client has two servers hardcoded to which it will attempt to connect in round-robin fashion:
localhost:9000
localhost:9001
Launch multiple clients to test the "chat" functionality :)
Doesn't matter which is launched first: client or server. Try to stop a server (Ctrl+C, SIGINT) with connected clients and see how the clients detect a lost connetion. Re-launch the server and watch them re-connect (and re-join the room they were in, thank God for history states!).
Hint: Set the environment variable SCCDDEBUG=1 to get insight into the transitions and steps being made.