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libipc-old/pong/README.markdown

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# Service ping-pong
This service is a brain-dead application. It is only to a pedagogic end.
The purpose is only to communicate with an application once, the application
sends a message and the service answer with the same message.
# How it works
* **S**: service
* **A**: application
1. **S** creates the named pipe /tmp/pingpong, then listens
2. **S** opens the named pipes in & out
3. **A** talks with the test program *pingpong.sh*
4. **S** closes the test program named pipes
5. **S** removes the named pipe /tmp/pingpong after 10 served applications
# pingpong.sh
The script *pingpong.sh* lets you test the service.
Usage :
pingpong.sh [NB]
# NB is the number of exchanged messages
or
pingpong.sh clean
# it is to clean the /tmp/ipc/ directory