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Subject[PATCH net-next 10/11] selftests: mptcp: make evts global in mptcp_join
Date
From: Geliang Tang <geliang.tang@suse.com>

This patch moves evts_ns1 and evts_ns2 out of do_transfer() as two global
variables in mptcp_join.sh. Init them in init() and remove them in
cleanup().

Add a new helper reset_with_events() to save the outputs of 'pm_nl_ctl
events' command in them. And a new helper kill_events_pids() to kill
pids of 'pm_nl_ctl events' command. Use these helpers in userspace pm
tests.

Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
---
.../testing/selftests/net/mptcp/mptcp_join.sh | 52 +++++++++++--------
1 file changed, 29 insertions(+), 23 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index f10ef65a7009..32a3694c57fb 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -26,6 +26,10 @@ ip_mptcp=0
check_invert=0
validate_checksum=0
init=0
+evts_ns1=""
+evts_ns2=""
+evts_ns1_pid=0
+evts_ns2_pid=0

declare -A all_tests
declare -a only_tests_ids
@@ -154,6 +158,8 @@ init() {
cin=$(mktemp)
cinsent=$(mktemp)
cout=$(mktemp)
+ evts_ns1=$(mktemp)
+ evts_ns2=$(mktemp)

trap cleanup EXIT

@@ -165,6 +171,7 @@ cleanup()
{
rm -f "$cin" "$cout" "$sinfail"
rm -f "$sin" "$sout" "$cinsent" "$cinfail"
+ rm -rf $evts_ns1 $evts_ns2
cleanup_partial
}

@@ -320,6 +327,18 @@ reset_with_fail()
index 100 || exit 1
}

+reset_with_events()
+{
+ reset "${1}" || return 1
+
+ :> "$evts_ns1"
+ :> "$evts_ns2"
+ ip netns exec $ns1 ./pm_nl_ctl events >> "$evts_ns1" 2>&1 &
+ evts_ns1_pid=$!
+ ip netns exec $ns2 ./pm_nl_ctl events >> "$evts_ns2" 2>&1 &
+ evts_ns2_pid=$!
+}
+
fail_test()
{
ret=1
@@ -473,6 +492,12 @@ kill_wait()
wait $1 2>/dev/null
}

+kill_events_pids()
+{
+ kill_wait $evts_ns1_pid
+ kill_wait $evts_ns2_pid
+}
+
pm_nl_set_limits()
{
local ns=$1
@@ -673,10 +698,6 @@ do_transfer()
local port=$((10000 + TEST_COUNT - 1))
local cappid
local userspace_pm=0
- local evts_ns1
- local evts_ns1_pid
- local evts_ns2
- local evts_ns2_pid

:> "$cout"
:> "$sout"
@@ -753,17 +774,6 @@ do_transfer()
addr_nr_ns2=${addr_nr_ns2:9}
fi

- if [ $userspace_pm -eq 1 ]; then
- evts_ns1=$(mktemp)
- evts_ns2=$(mktemp)
- :> "$evts_ns1"
- :> "$evts_ns2"
- ip netns exec ${listener_ns} ./pm_nl_ctl events >> "$evts_ns1" 2>&1 &
- evts_ns1_pid=$!
- ip netns exec ${connector_ns} ./pm_nl_ctl events >> "$evts_ns2" 2>&1 &
- evts_ns2_pid=$!
- fi
-
local local_addr
if is_v6 "${connect_addr}"; then
local_addr="::"
@@ -982,12 +992,6 @@ do_transfer()
kill $cappid
fi

- if [ $userspace_pm -eq 1 ]; then
- kill_wait $evts_ns1_pid
- kill_wait $evts_ns2_pid
- rm -rf $evts_ns1 $evts_ns2
- fi
-
NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
nstat | grep Tcp > /tmp/${listener_ns}.out
NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
@@ -2961,22 +2965,24 @@ userspace_tests()
fi

# userspace pm add & remove address
- if reset "userspace pm add & remove address"; then
+ if reset_with_events "userspace pm add & remove address"; then
set_userspace_pm $ns1
pm_nl_set_limits $ns2 1 1
run_tests $ns1 $ns2 10.0.1.1 0 userspace_1 0 slow
chk_join_nr 1 1 1
chk_add_nr 1 1
chk_rm_nr 1 1 invert
+ kill_events_pids
fi

# userspace pm create destroy subflow
- if reset "userspace pm create destroy subflow"; then
+ if reset_with_events "userspace pm create destroy subflow"; then
set_userspace_pm $ns2
pm_nl_set_limits $ns1 0 1
run_tests $ns1 $ns2 10.0.1.1 0 0 userspace_1 slow
chk_join_nr 1 1 1
chk_rm_nr 0 1
+ kill_events_pids
fi
}

--
2.37.2
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