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[src/trunk]: src Add tests of rtcache invalidation
details: https://anonhg.NetBSD.org/src/rev/ecaa343d8ed0
branches: trunk
changeset: 826652:ecaa343d8ed0
user: ozaki-r <ozaki-r%NetBSD.org@localhost>
date: Wed Sep 20 09:36:20 2017 +0000
description:
Add tests of rtcache invalidation
diffstat:
distrib/sets/lists/tests/mi | 3 +-
tests/net/route/Makefile | 4 +-
tests/net/route/t_rtcache.sh | 167 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 171 insertions(+), 3 deletions(-)
diffs (205 lines):
diff -r 7622cc83c3a1 -r ecaa343d8ed0 distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi Wed Sep 20 08:57:02 2017 +0000
+++ b/distrib/sets/lists/tests/mi Wed Sep 20 09:36:20 2017 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.761 2017/08/16 13:53:20 joerg Exp $
+# $NetBSD: mi,v 1.762 2017/09/20 09:36:20 ozaki-r Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@@ -3379,6 +3379,7 @@
./usr/tests/net/route/t_flags tests-net-tests atf,rump
./usr/tests/net/route/t_flags6 tests-net-tests atf,rump
./usr/tests/net/route/t_route tests-net-tests atf,rump
+./usr/tests/net/route/t_rtcache tests-net-tests atf,rump
./usr/tests/net/sys tests-net-tests compattestfile,atf
./usr/tests/net/sys/Atffile tests-net-tests compattestfile,atf
./usr/tests/net/sys/Kyuafile tests-net-tests compattestfile,atf,kyua
diff -r 7622cc83c3a1 -r ecaa343d8ed0 tests/net/route/Makefile
--- a/tests/net/route/Makefile Wed Sep 20 08:57:02 2017 +0000
+++ b/tests/net/route/Makefile Wed Sep 20 09:36:20 2017 +0000
@@ -1,11 +1,11 @@
-# $NetBSD: Makefile,v 1.5 2016/11/24 09:05:17 ozaki-r Exp $
+# $NetBSD: Makefile,v 1.6 2017/09/20 09:36:20 ozaki-r Exp $
#
.include <bsd.own.mk>
TESTSDIR= ${TESTSBASE}/net/route
-.for name in change flags flags6 route
+.for name in change flags flags6 route rtcache
TESTS_SH+= t_${name}
TESTS_SH_SRC_t_${name}= ../net_common.sh t_${name}.sh
.endfor
diff -r 7622cc83c3a1 -r ecaa343d8ed0 tests/net/route/t_rtcache.sh
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/net/route/t_rtcache.sh Wed Sep 20 09:36:20 2017 +0000
@@ -0,0 +1,167 @@
+# $NetBSD: t_rtcache.sh,v 1.1 2017/09/20 09:36:20 ozaki-r Exp $
+#
+# Copyright (c) 2017 Internet Initiative Japan Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+SOCK_SRC=unix://rtcache_src
+SOCK_FWD=unix://rtcache_fwd
+SOCK_DST1=unix://rtcache_dst1
+SOCK_DST2=unix://rtcache_dst2
+
+BUS_SRC=./src
+BUS_DST1=./dst1
+BUS_DST2=./dst2
+
+DEBUG=${DEBUG:-false}
+
+atf_test_case rtcache_invalidation cleanup
+rtcache_invalidation_head()
+{
+
+ atf_set "descr" "Tests for rtcache invalidation"
+ atf_set "require.progs" "rump_server"
+}
+
+rtcache_invalidation_body()
+{
+ local ip_src=10.0.0.2
+ local ip_gwsrc=10.0.0.1
+ local ip_gwdst1=10.0.1.1
+ local ip_gwdst2=10.0.2.1
+ local ip_dst1=10.0.1.2
+ local ip_dst2=10.0.2.2
+ local ip_dst=10.0.3.1
+ local subnet_src=10.0.0.0
+ local subnet_dst=10.0.3.0
+
+ rump_server_start $SOCK_SRC
+ rump_server_start $SOCK_FWD
+ rump_server_start $SOCK_DST1
+ rump_server_start $SOCK_DST2
+
+ rump_server_add_iface $SOCK_SRC shmif0 $BUS_SRC
+
+ rump_server_add_iface $SOCK_FWD shmif0 $BUS_SRC
+ rump_server_add_iface $SOCK_FWD shmif1 $BUS_DST1
+ rump_server_add_iface $SOCK_FWD shmif2 $BUS_DST2
+
+ rump_server_add_iface $SOCK_DST1 shmif0 $BUS_DST1
+ rump_server_add_iface $SOCK_DST2 shmif0 $BUS_DST2
+
+ export RUMP_SERVER=$SOCK_SRC
+ atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
+ atf_check -s exit:0 rump.ifconfig shmif0 $ip_src/24
+ atf_check -s exit:0 -o ignore rump.route add default $ip_gwsrc
+
+ export RUMP_SERVER=$SOCK_FWD
+ atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.forwarding=1
+ atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
+ atf_check -s exit:0 rump.ifconfig shmif0 $ip_gwsrc/24
+ atf_check -s exit:0 rump.ifconfig shmif1 $ip_gwdst1/24
+ atf_check -s exit:0 rump.ifconfig shmif2 $ip_gwdst2/24
+
+ export RUMP_SERVER=$SOCK_DST1
+ atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
+ atf_check -s exit:0 rump.ifconfig shmif0 $ip_dst1/24
+ atf_check -s exit:0 -o ignore rump.route add default $ip_gwdst1
+ atf_check -s exit:0 rump.ifconfig shmif0 $ip_dst/24 alias
+
+ export RUMP_SERVER=$SOCK_DST2
+ atf_check -s exit:0 rump.sysctl -q -w net.inet.ip.dad_count=0
+ atf_check -s exit:0 rump.ifconfig shmif0 $ip_dst2/24
+ atf_check -s exit:0 -o ignore rump.route add default $ip_gwdst2
+ atf_check -s exit:0 rump.ifconfig shmif0 $ip_dst/24 alias
+
+ export RUMP_SERVER=$SOCK_SRC
+ atf_check -s exit:0 -o ignore rump.ping -n -w 3 -c 1 $ip_dst1
+ atf_check -s exit:0 -o ignore rump.ping -n -w 3 -c 1 $ip_dst2
+ # It fails because there is no route to $ip_dst
+ atf_check -s not-exit:0 -o ignore rump.ping -n -w 3 -c 1 $ip_dst
+
+ extract_new_packets $BUS_DST1 > ./outfile
+
+ export RUMP_SERVER=$SOCK_FWD
+ # Add the default route so that $ip_dst @ dst1 is reachable now
+ atf_check -s exit:0 -o ignore rump.route add default $ip_dst1
+ export RUMP_SERVER=$SOCK_DST1
+ # ...but don't response ICMP requests to avoid rtcache pollution
+ atf_check -s exit:0 -o ignore \
+ rump.route add -net $subnet_src/24 127.0.0.1 -blackhole
+
+ export RUMP_SERVER=$SOCK_SRC
+ # ping fails expectedly
+ atf_check -s not-exit:0 -o ignore rump.ping -n -w 3 -c 1 $ip_dst
+
+ # An ICMP request should come to dst1
+ extract_new_packets $BUS_DST1 > ./outfile
+ atf_check -s exit:0 -o match:"$ip_src > $ip_dst: ICMP echo request" \
+ cat ./outfile
+
+ export RUMP_SERVER=$SOCK_FWD
+ # Teach the subnet of $ip_dst is at dst2
+ atf_check -s exit:0 -o ignore rump.route add -net $subnet_dst/24 $ip_dst2
+ export RUMP_SERVER=$SOCK_DST2
+ # ...but don't response ICMP requests to avoid rtcache pollution
+ atf_check -s exit:0 -o ignore \
+ rump.route add -net $subnet_src/24 127.0.0.1 -blackhole
+
+ export RUMP_SERVER=$SOCK_SRC
+ # ping fails expectedly
+ atf_check -s not-exit:0 -o ignore rump.ping -n -w 3 -c 1 $ip_dst
+
+ # An ICMP request should come to dst2. If rtcaches aren't invalidated
+ # correctly, the ICMP request should appear at dst1
+ extract_new_packets $BUS_DST1 > ./outfile
+ atf_check -s exit:0 -o not-match:"$ip_src > $ip_dst: ICMP echo request" \
+ cat ./outfile
+
+ export RUMP_SERVER=$SOCK_FWD
+ # Delete the route so the packets heading to $ip_dst should go dst1 again
+ atf_check -s exit:0 -o ignore rump.route delete -net $subnet_dst/24 $ip_dst2
+
+ export RUMP_SERVER=$SOCK_SRC
+ # ping fails expectedly
+ atf_check -s not-exit:0 -o ignore rump.ping -n -w 3 -c 1 $ip_dst
+
+ # An ICMP request should come to dst1
+ extract_new_packets $BUS_DST1 > ./outfile
+ atf_check -s exit:0 -o match:"$ip_src > $ip_dst: ICMP echo request" \
+ cat ./outfile
+
+ rump_server_destroy_ifaces
+}
+
+rtcache_invalidation_cleanup()
+{
+
+ $DEBUG && dump
+ cleanup
+}
+
+atf_init_test_cases()
+{
+
+ atf_add_test_case rtcache_invalidation
+}
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