gistfile1.txt

# we want to test that a simple echo service has a message containing
# the IP we connect with.



function cleanup {
    echo "cleanup"
    echo "echo: $echo_pid"
    echo "gk: $gatekeeper_pid"
    (($echo_pid)) && kill $echo_pid;
    (($gatekeeper_pid)) && kill $gatekeeper_pid;
    exit 1;
}

make echo_server gatekeeper client || cleanup ;

./echo_server tcp://localhost:8889 & echo_pid=$!

./gatekeeper 8888 8889 & export gatekeeper_pid=$!

sleep 1

./client tcp://localhost:8888 > client.out

echo "127.0.0.1" | diff - client.out

cleanup