#!/bin/bash

set -e

ruleset_file=$(mktemp)

trap 'rm -f "$ruleset_file"' EXIT

HOWMANY=255
if [ "$NFT_TEST_HAS_SOCKET_LIMITS" = y ] ; then
	# The socket limit /proc/sys/net/core/wmem_max may be unsuitable for
	# the test.
	#
	# Run only a subset of the test and mark as skipped at the end.
	HOWMANY=30
fi

{
	echo 'define big_set = {'
	for ((i = 1; i < $HOWMANY; i++)); do
		for ((j = 1; j < 255; j++)); do
			echo "10.0.$i.$j,"
		done
	done
	echo '10.1.0.0/24 }'
} >"$ruleset_file"

cat >>"$ruleset_file" <<\EOF
table inet test68_table {
	set test68_set {
		type ipv4_addr
		flags interval
		elements = { $big_set }
	}
}
EOF

( ulimit -s 400 && $NFT -f "$ruleset_file" )

if [ "$HOWMANY" != 255 ] ; then
	echo "NFT_TEST_HAS_SOCKET_LIMITS indicates that the socket limit for"
	echo "/proc/sys/net/core/wmem_max is too small for this test. Mark as SKIPPED"
	echo "You may bump the limit and rerun with \`NFT_TEST_HAS_SOCKET_LIMITS=n\`."
	exit 77
fi