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#!/bin/bash
# test adding many elements to an interval map
# even with HOWMANY=2 there are memory allocation failures in the current
# master - the patch fixes that
# NOTE this is only an issue with two separate nft calls
HOWMANY=2
tmpfile=$(mktemp)
if [ ! -w $tmpfile ] ; then
echo "Failed to create tmp file" >&2
exit 0
fi
trap "rm -rf $tmpfile" EXIT # cleanup if aborted
generate_add() {
echo -n "{"
for ((i=1; i<=HOWMANY; i++)) ; do
for ((j=1; j<=HOWMANY; j++)) ; do
[ "$i" == "$HOWMANY" ] && [ "$j" == "$HOWMANY" ] && break
echo -n "10.${i}.${j}.0/24 : 10.0.${i}.${j}, "
done
done
echo -n "}"
}
generate_test() {
elements=""
for ((i=1; i<=HOWMANY; i++)) ; do
for ((j=1; j<=HOWMANY; j++)) ; do
elements="$elements 10.${i}.${j}.0/24 : 10.0.${i}.${j}"
[ "$i" == "$HOWMANY" ] && [ "$j" == "$HOWMANY" ] && break
elements="${elements}, "
done
done
echo $elements
}
echo "add table x
add map x y { type ipv4_addr : ipv4_addr; flags interval; }
add element x y $(generate_add)" > $tmpfile
set -e
$NFT -f $tmpfile
n=$HOWMANY
echo "add element x y { 10.${n}.${n}.0/24 : 10.0.${n}.${n} }" > $tmpfile
$NFT -f $tmpfile
EXPECTED="table ip x {
map y {
type ipv4_addr : ipv4_addr
flags interval
elements = { $(generate_test) }
}
}"
GET=$($NFT list ruleset)
if [ "$EXPECTED" != "$GET" ] ; then
DIFF="$(which diff)"
[ -x $DIFF ] && $DIFF -u <(echo "$EXPECTED") <(echo "$GET")
exit 1
fi
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