#	$NetBSD: t_tun.sh,v 1.4 2016/11/07 05:25:37 ozaki-r Exp $
#
# Copyright (c) 2016 Internet Initiative Japan Inc.
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setglobal RUMP_FLAGS = '"-lrumpnet -lrumpnet_net -lrumpnet_netinet -lrumpnet_netinet6'"
setglobal RUMP_FLAGS = ""$RUMP_FLAGS -lrumpnet_shmif -lrumpnet_tun -lrumpdev""

setglobal BUS = 'bus'
setglobal SOCK_LOCAL = 'unix://commsock1'
setglobal SOCK_REMOTE = 'unix://commsock2'
setglobal IP_LOCAL = '10.0.0.1'
setglobal IP_REMOTE = '10.0.0.2'

setglobal DEBUG = $(DEBUG:-true)

atf_test_case tun_create_destroy cleanup
proc tun_create_destroy_head
{

	atf_set "descr" "tests of creation and deletion of tun interface"
	atf_set "require.progs" "rump_server"
}

proc tun_create_destroy_body
{

	atf_check -s exit:0 rump_server $(RUMP_FLAGS) $(SOCK_LOCAL)

	export RUMP_SERVER=$(SOCK_LOCAL)

	atf_check -s exit:0 rump.ifconfig tun0 create
	atf_check -s exit:0 rump.ifconfig tun0 up
	atf_check -s exit:0 rump.ifconfig tun0 down
	atf_check -s exit:0 rump.ifconfig tun0 destroy
}

proc tun_create_destroy_cleanup
{

	env RUMP_SERVER=$(SOCK_LOCAL) rump.halt
}

atf_test_case tun_setup cleanup
proc tun_setup_head
{

	atf_set "descr" "tests of setting up a tunnel"
	atf_set "require.progs" "rump_server"
}

proc check_route_entry
{
	local ip=$[echo $1 |sed 's/\./\\./g]
	local gw=$2
	local flags=$3
	local iface=$4

	atf_check -s exit:0 -o match:" $flags " -e ignore -x \
	    "rump.netstat -rn -f inet | grep ^'$ip'"
	atf_check -s exit:0 -o match:" $gw " -e ignore -x \
	    "rump.netstat -rn -f inet | grep ^'$ip'"
	atf_check -s exit:0 -o match:" $iface" -e ignore -x \
	    "rump.netstat -rn -f inet | grep ^'$ip'"
}

proc tun_setup_body
{

	atf_check -s exit:0 rump_server $(RUMP_FLAGS) $(SOCK_LOCAL)
	atf_check -s exit:0 rump_server $(RUMP_FLAGS) $(SOCK_REMOTE)

	export RUMP_SERVER=$(SOCK_LOCAL)

	atf_check -s exit:0 rump.ifconfig shmif0 create
	atf_check -s exit:0 rump.ifconfig shmif0 linkstr $BUS
	atf_check -s exit:0 rump.ifconfig shmif0 $(IP_LOCAL)/24 up
	atf_check -s exit:0 rump.ifconfig -w 10

	export RUMP_SERVER=$(SOCK_REMOTE)

	atf_check -s exit:0 rump.ifconfig shmif0 create
	atf_check -s exit:0 rump.ifconfig shmif0 linkstr $BUS
	atf_check -s exit:0 rump.ifconfig shmif0 $(IP_REMOTE)/24 up
	atf_check -s exit:0 rump.ifconfig -w 10

	export RUMP_SERVER=$(SOCK_LOCAL)
	atf_check -s exit:0 rump.ifconfig tun0 create
	atf_check -s exit:0 rump.ifconfig tun0 $(IP_LOCAL) $(IP_REMOTE) up
	atf_check -s exit:0 \
	    -o match:"inet $(IP_LOCAL)/32 -> $(IP_REMOTE)" rump.ifconfig tun0
	$DEBUG && rump.netstat -nr -f inet
	check_route_entry $(IP_REMOTE) $(IP_LOCAL) UH tun0

	export RUMP_SERVER=$(SOCK_REMOTE)
	atf_check -s exit:0 rump.ifconfig tun0 create
	atf_check -s exit:0 rump.ifconfig tun0 $(IP_REMOTE) $(IP_LOCAL) up
	atf_check -s exit:0 \
	    -o match:"inet $(IP_REMOTE)/32 -> $(IP_LOCAL)" rump.ifconfig tun0
	$DEBUG && rump.netstat -nr -f inet
	check_route_entry $(IP_LOCAL) $(IP_REMOTE) UH tun0
}

proc tun_setup_cleanup
{

	env RUMP_SERVER=$(SOCK_LOCAL) rump.halt
	env RUMP_SERVER=$(SOCK_REMOTE) rump.halt
}

proc atf_init_test_cases
{

	atf_add_test_case tun_create_destroy
	atf_add_test_case tun_setup
}