38 lines
665 B
Bash
38 lines
665 B
Bash
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#!/bin/dash
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REP=/tmp/ipc/
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SERVICE="pingpong"
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NB=3
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# CLEAN UP !
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if [ $# -ne 0 ] && [ "$1" = clean ]
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then
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echo "clean rep ${REP}"
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rm ${REP}/${SERVICE}
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rm ${REP}/*-in
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rm ${REP}/*-out
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exit 0
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fi
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if [ $# -ne 0 ]
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then
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NB=$1
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fi
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for pid in `seq 1 ${NB}`
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do
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# we make the application pipes
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mkfifo ${REP}/${pid}-1-in 2>/dev/null
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mkfifo ${REP}/${pid}-1-out 2>/dev/null
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# pid index version
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echo "${pid} 1 1" > ${REP}/${SERVICE}
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# the purpose is to send something in the pipe
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cat /dev/urandom | base64 | head -n 1 > ${REP}/${pid}-1-out
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# the the service will answer with our message
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cat ${REP}/${pid}-1-in
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done
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