how the protocol works.

using netcat client

$ nc -u localhost 9998

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1st send hello packet

hello! sidx:X ncli: Z sid:YYY 
- X is user session index (0-9) 
- Z is number of clients (0-9)
- YYY is sessionId (integer 32k)

examples (user 1, 2 and 5 talking inside session 333) one netcat each

hello! sidx:1 ncli: 3 sid:333 
hello! sidx:2 ncli: 3 sid:333
hello! sidx:5 ncli: 3 sid:333 

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2nd send the sync packet every client need to send the sync packet to receive broadcasts

any text with "gogogo!"

examples

we are here gogogo! for it!
gogogo!

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testing packages counting

msg:

any text with "msg:"

examples:

msg: hello world!
we are talking "msg:" here

ping:

any text with "ping:"

examples:

ping: hello there
we are ping: ing this