#!/bin/bash

# tests many defines in a single nft -f run

HOWMANY=20000

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=2000
fi


tmpfile=$(mktemp)
if [ ! -w $tmpfile ] ; then
	echo "Failed to create tmp file" >&2
	exit 0
fi

trap "rm -rf $tmpfile" EXIT # cleanup if aborted

generate1()
{
	for ((i=0; i<=HOWMANY; i++)) ; do
		echo "define data_${i} = ${i}"
	done
}

generate2()
{
	for ((i=0; i<=HOWMANY; i++)) ; do
		echo "iifname \$data_${i}"
	done
}

echo " $(generate1)
table t {
	chain c {
		$(generate2)
	}
}" > $tmpfile

set -e
$NFT -f $tmpfile

if [ "$HOWMANY" != 20000 ] ; 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