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check_requires() { # Check required files, monitors and reactors
for i in "$@" ; do
p=${i%:program}
m=${i%:monitor}
r=${i%:reactor}
if [ $p != $i ]; then
if ! which $p ; then
echo "Required program $p is not found."
exit_unresolved
fi
elif [ $m != $i ]; then
if ! grep -wq $m available_monitors ; then
echo "Required monitor $m is not configured."
exit_unsupported
fi
elif [ $r != $i ]; then
if ! grep -wq $r available_reactors ; then
echo "Required reactor $r is not configured."
exit_unsupported
fi
elif [ ! -e $i ]; then
echo "Required feature interface $i doesn't exist."
exit_unsupported
fi
done
}
initialize_system() { # Reset RV to initial-state
echo > enabled_monitors
for m in monitors/*; do
echo nop > $m/reactors || true
done
echo 1 > monitoring_on
echo 1 > reacting_on || true
}
finish_system() {
initialize_system
}
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