#!/bin/sh
#
# SPDX-License-Identifier: AGPL-3.0-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/lib/setup_ugly - Setup functions using screen-scraping instead of context
#
# Copyright (c) 2022 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>

INITRAMFS_MEM="${BASEPATH}/mbuto.mem.img"

# setup_distro() - Set up pane layout for distro tests
setup_distro() {
	layout_host
}

# setup_pasta_options() - Set up layout and host context without starting pasta
setup_pasta_options() {
	context_setup_host host

	layout_pasta_simple
}

# setup_memory() - Start qemu in guest pane, and passt in passt context
setup_memory() {
	context_setup_host passt

	layout_memory

	context_run passt "./passt -P ${STATESETUP}/passt.pid"

	# pidfile isn't created until passt is listening
	wait_for [ -f "${STATESETUP}/passt.pid" ]

	pane_or_context_run guest './qrap 5 qemu-system-$(uname -m)'	   \
		' -machine accel=kvm'                                      \
		' -m '${VMEM}' -cpu host -smp '${VCPUS}                    \
		' -kernel ' "/boot/vmlinuz-$(uname -r)"			   \
		' -initrd '${INITRAMFS_MEM}' -nographic -serial stdio'	   \
		' -nodefaults'						   \
		' -append "console=ttyS0 mitigations=off apparmor=0 '	   \
		'virtio-net.napi_tx=1"'					   \
		" -device virtio-net-pci,netdev=hostnet0,x-txburst=16384"  \
		" -netdev socket,fd=5,id=hostnet0"			   \
		" -pidfile ${STATESETUP}/qemu.pid"
}

# teardown_distro() - Nothing to do, yet
teardown_distro() {
	:
}

# teardown_pasta_options() - Tear down pasta and host context, no namespace
teardown_pasta_options() {
	teardown_context_watch ${PANE_HOST} host
	teardown_context_watch ${PANE_PASST} passt
}

# teardown_passt() - Kill qemu with ^C, remove passt PID file
teardown_memory() {
	kill $(cat "${STATESETUP}/qemu.pid")

	rm "${STATESETUP}/passt.pid"

	tmux send-keys -t ${PANE_PASST} "C-c"

	teardown_context_watch ${PANE_PASST} passt
	teardown_context_watch ${PANE_GUEST} qemu
}