! timeout 20
& $SG_TEST_ENV ./ping_server$EXEEXT 4302 --log=root.fmt=%P:%t%e%m%n $ARGS
> server:main Launch server (port=4302)
> server:main Messages registered
> server:main Messages registered
> server:main >>>>>>>> Listening on port 4302 <<<<<<<<
> server:main >>>>>>>> Got message PING(1234) from 127.0.0.1:5001 <<<<<<<<
> server:main >>>>>>>> Answered with PONG(4321) <<<<<<<<
> server:main Done.
> server:main Exiting GRAS

# give the server a chance to acquire the expected port number
$ $SG_TEST_ENV sleep 1

! timeout 20
& $SG_TEST_ENV ./ping_client$EXEEXT 127.0.0.1 4302 --log=root.fmt=%P:%t%e%m%n $ARGS
> client:main Launch client (server on 127.0.0.1:4302)
> client:main Connected to 127.0.0.1:4302.
> client:main Messages registered
> client:main >>>>>>>> Connected to server which is on 127.0.0.1:4302 <<<<<<<<
> client:main >>>>>>>> Message PING(1234) sent to 127.0.0.1:4302 <<<<<<<<
> client:main >>>>>>>> Got PONG(4321) from 127.0.0.1:4302 <<<<<<<<
> client:main Done.
> client:main Exiting GRAS