[linux-block.git] / tools / testing / selftests / net / net_helper.sh

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Helper functions

wait_local_port_listen()
{
	local listener_ns="${1}"
	local port="${2}"
	local protocol="${3}"
	local pattern
	local i

	pattern=":$(printf "%04X" "${port}") "

	# for tcp protocol additionally check the socket state
	[ ${protocol} = "tcp" ] && pattern="${pattern}0A"
	for i in $(seq 10); do
		if ip netns exec "${listener_ns}" awk '{print $2" "$4}' \
		   /proc/net/"${protocol}"* | grep -q "${pattern}"; then
			break
		fi
		sleep 0.1
	done
}
Commit	Line	Data
3bdd9fd2 LK	1	#!/bin/bash
	2	# SPDX-License-Identifier: GPL-2.0
	3	#
	4	# Helper functions
	5
	6	wait_local_port_listen()
	7	{
	8	local listener_ns="${1}"
	9	local port="${2}"
	10	local protocol="${3}"
a71d0908	11	local pattern
3bdd9fd2 LK	12	local i
3bdd9fd2 LK	13
a71d0908 PA	14	pattern=":$(printf "%04X" "${port}") "
	15
	16	# for tcp protocol additionally check the socket state
	17	[ ${protocol} = "tcp" ] && pattern="${pattern}0A"
3bdd9fd2	18	for i in $(seq 10); do
a71d0908 PA	19	if ip netns exec "${listener_ns}" awk '{print $2" "$4}' \
a71d0908 PA	20	/proc/net/"${protocol}"* \| grep -q "${pattern}"; then
3bdd9fd2 LK	21	break
	22	fi
	23	sleep 0.1
	24	done
	25	}