libipc-old/pingpong/pingpong.sh

#!/bin/dash

REP=/tmp/ipc/
SERVICE="pongd"
NB=10
# CLEAN UP !
if [ $# -ne 0 ] && [ "$1" = clean ]
then
    echo "clean rep ${REP}"
    rm ${REP}/${SERVICE} 2>/dev/null
    rm ${REP}/*-in 2>/dev/null
    rm ${REP}/*-out 2>/dev/null

    exit 0
fi

if [ $# -ne 0 ]
then
    NB=$1
fi

for pid in `seq 1 ${NB}`
do
    # we make the application pipes
    # mkfifo ${REP}${pid}-1-1-in 2>/dev/null
    # mkfifo ${REP}${pid}-1-1-out 2>/dev/null

    # pid index version
    echo "${pid} 1 1" | nc -U ${REP}${SERVICE}
    
    # the purpose is to send something in the pipe
    #cat /dev/urandom | base64 | head -n 1 > ${REP}${pid}-1-1-out
    echo "hello frero" | nc -U ${REP}${pid}-1-1
    #echo "exit" | nc -U ${REP}${pid}-1-1 

    # the service will answer with our message
    echo "pid : ${pid}"
    #cat ${REP}/${pid}-1-1-in

done

echo "exit" | nc -U ${REP}${SERVICE}

echo "clean rep"
#rm ${REP}/*
#rm ${REP}/*-out