# SPDX-License-Identifier: GPL-2.0-or-later
#
# PASST - Plug A Simple Socket Transport
#  for qemu/UNIX domain socket mode
#
# PASTA - Pack A Subtle Tap Abstraction
#  for network namespace/tap device mode
#
# test/pasta/udp - Check UDP functionality for pasta
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>

nstools	socat ip jq
htools	dd socat ip jq

set	TEMP __STATEDIR__/test.bin
set	TEMP_NS __STATEDIR__/test_ns.bin

test	UDP/IPv4: host to ns
nsb	socat -u UDP4-LISTEN:10002,bind=127.0.0.1,null-eof OPEN:__TEMP_NS__,create,trunc
host	socat OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10002,shut-null
nsw
check	cmp __BASEPATH__/medium.bin __TEMP_NS__

test	UDP/IPv4: ns to host (recvmmsg/sendmmsg)
hostb	socat -u UDP4-LISTEN:10003,bind=127.0.0.1,null-eof OPEN:__TEMP__,create,trunc
sleep	1
ns	socat OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10003,shut-null
hostw
check	cmp __BASEPATH__/medium.bin __TEMP__

test	UDP/IPv4: ns to host (via tap)
hostb	socat -u UDP4-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
ns	socat -u OPEN:__BASEPATH__/medium.bin UDP4:__NAT_TO_HOST4__:10003,shut-null
hostw
check	cmp __BASEPATH__/medium.bin __TEMP__

test	UDP/IPv6: host to ns
nsb	socat -u UDP6-LISTEN:10002,bind=[::1],null-eof OPEN:__TEMP_NS__,create,trunc
host	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10002,shut-null
nsw
check	cmp __BASEPATH__/medium.bin __TEMP_NS__

test	UDP/IPv6: ns to host (recvmmsg/sendmmsg)
hostb	socat -u UDP6-LISTEN:10003,bind=[::1],null-eof OPEN:__TEMP__,create,trunc
sleep	1
ns	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10003,shut-null
hostw
check	cmp __BASEPATH__/medium.bin __TEMP__

test	UDP/IPv6: ns to host (via tap)
hostb	socat -u UDP6-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
ns	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[__NAT_TO_HOST6__%__IFNAME__]:10003,shut-null
hostw
check	cmp __BASEPATH__/medium.bin __TEMP__