# 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/tcp - Check TCP functionality for pasta
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>

htools	socat ip jq
nstools	socat ip jq

set	TEMP_BIG __STATEDIR__/test_big.bin
set	TEMP_NS_BIG __STATEDIR__/test_ns_big.bin
set	TEMP_SMALL __STATEDIR__/test_small.bin
set	TEMP_NS_SMALL __STATEDIR__/test_ns_small.bin

test	TCP/IPv4: host to ns (spliced): big transfer
nsb	socat -u TCP4-LISTEN:10002 OPEN:__TEMP_NS_BIG__,create,trunc
host	socat -u OPEN:__BASEPATH__/big.bin TCP4:127.0.0.1:10002
nsw
check	cmp __BASEPATH__/big.bin __TEMP_NS_BIG__

test	TCP/IPv4: ns to host (spliced): big transfer
hostb	socat -u TCP4-LISTEN:10003,bind=127.0.0.1 OPEN:__TEMP_BIG__,create,trunc
ns	socat -u OPEN:__BASEPATH__/big.bin TCP4:127.0.0.1:10003
hostw
check	cmp __BASEPATH__/big.bin __TEMP_BIG__

test	TCP/IPv4: ns to host (via tap): big transfer
hostb	socat -u TCP4-LISTEN:10003 OPEN:__TEMP_BIG__,create,trunc
nsout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
ns	socat -u OPEN:__BASEPATH__/big.bin TCP4:__GW__:10003
hostw
check	cmp __BASEPATH__/big.bin __TEMP_BIG__

test	TCP/IPv4: host to ns (spliced): small transfer
nsb	socat -u TCP4-LISTEN:10002 OPEN:__TEMP_NS_SMALL__,create,trunc
host	socat OPEN:__BASEPATH__/small.bin TCP4:127.0.0.1:10002
nsw
check	cmp __BASEPATH__/small.bin __TEMP_NS_SMALL__

test	TCP/IPv4: ns to host (spliced): small transfer
hostb	socat -u TCP4-LISTEN:10003,bind=127.0.0.1 OPEN:__TEMP_SMALL__,create,trunc
ns	socat OPEN:__BASEPATH__/small.bin TCP4:127.0.0.1:10003
hostw
check	cmp __BASEPATH__/small.bin __TEMP_SMALL__

test	TCP/IPv4: ns to host (via tap): small transfer
hostb	socat -u TCP4-LISTEN:10003 OPEN:__TEMP_SMALL__,create,trunc
nsout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
ns	socat -u OPEN:__BASEPATH__/small.bin TCP4:__GW__:10003
hostw
check	cmp __BASEPATH__/small.bin __TEMP_SMALL__

test	TCP/IPv6: host to ns (spliced): big transfer
nsb	socat -u TCP6-LISTEN:10002 OPEN:__TEMP_NS_BIG__,create,trunc
host	socat -u OPEN:__BASEPATH__/big.bin TCP6:[::1]:10002
nsw
check	cmp __BASEPATH__/big.bin __TEMP_NS_BIG__

test	TCP/IPv6: ns to host (spliced): big transfer
hostb	socat -u TCP6-LISTEN:10003,bind=[::1] OPEN:__TEMP_BIG__,create,trunc
ns	socat -u OPEN:__BASEPATH__/big.bin TCP6:[::1]:10003
hostw
check	cmp __BASEPATH__/big.bin __TEMP_BIG__

test	TCP/IPv6: ns to host (via tap): big transfer
hostb	socat -u TCP6-LISTEN:10003 OPEN:__TEMP_BIG__,create,trunc
nsout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
ns	socat -u OPEN:__BASEPATH__/big.bin TCP6:[__GW6__%__IFNAME__]:10003
hostw
check	cmp __BASEPATH__/big.bin __TEMP_BIG__

test	TCP/IPv6: host to ns (spliced): small transfer
nsb	socat -u TCP6-LISTEN:10002 OPEN:__TEMP_NS_SMALL__,create,trunc
host	socat -u OPEN:__BASEPATH__/small.bin TCP6:[::1]:10002
nsw
check	cmp __BASEPATH__/small.bin __TEMP_NS_SMALL__

test	TCP/IPv6: ns to host (spliced): small transfer
hostb	socat -u TCP6-LISTEN:10003,bind=[::1] OPEN:__TEMP_SMALL__,create,trunc
ns	socat -u OPEN:__BASEPATH__/small.bin TCP6:[::1]:10003
hostw
check	cmp __BASEPATH__/small.bin __TEMP_SMALL__

test	TCP/IPv6: ns to host (via tap): small transfer
hostb	socat -u TCP6-LISTEN:10003 OPEN:__TEMP_SMALL__,create,trunc
ns	socat -u OPEN:__BASEPATH__/small.bin TCP6:[__GW6__%__IFNAME__]:10003
hostw
check	cmp __BASEPATH__/small.bin __TEMP_SMALL__