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From: "Matthieu Baerts (NGI0)" <matttbe@kernel.org>
Date: Fri, 08 Mar 2024 23:10:20 +0100
Subject: [PATCH net-next 13/15] selftests: mptcp: add
 mptcp_lib_verify_listener_events
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Message-Id: <20240308-upstream-net-next-20240308-selftests-mptcp-unification-v1-13-4f42c347b653@kernel.org>
References: <20240308-upstream-net-next-20240308-selftests-mptcp-unification-v1-0-4f42c347b653@kernel.org>
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To: mptcp@lists.linux.dev, Mat Martineau <martineau@kernel.org>, 
 Geliang Tang <geliang@kernel.org>, Geliang Tang <tanggeliang@kylinos.cn>, 
 "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, 
 Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, 
 Shuah Khan <shuah@kernel.org>
Cc: netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, 
 linux-kernel@vger.kernel.org, "Matthieu Baerts (NGI0)" <matttbe@kernel.org>

From: Geliang Tang <tanggeliang@kylinos.cn>

To avoid duplicated code in different MPTCP selftests, we can add and use
helpers defined in mptcp_lib.sh.

The helper verify_listener_events() is defined both in mptcp_join.sh and
userspace_pm.sh, export it into mptcp_lib.sh and rename it with mptcp_lib_
prefix. Use this new helper in both scripts.

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
---
 tools/testing/selftests/net/mptcp/mptcp_join.sh   | 21 +-----------------
 tools/testing/selftests/net/mptcp/mptcp_lib.sh    | 26 +++++++++++++++++++++++
 tools/testing/selftests/net/mptcp/userspace_pm.sh | 21 +++---------------
 3 files changed, 30 insertions(+), 38 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 041175ec1304..9b538a7071e7 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -2794,15 +2794,9 @@ AF_INET6=10
 
 verify_listener_events()
 {
-	local evt=$1
 	local e_type=$2
-	local e_family=$3
 	local e_saddr=$4
 	local e_sport=$5
-	local type
-	local family
-	local saddr
-	local sport
 	local name
 
 	if [ $e_type = $LISTENER_CREATED ]; then
@@ -2820,23 +2814,10 @@ verify_listener_events()
 		return
 	fi
 
-	type=$(mptcp_lib_evts_get_info type "$evt" "$e_type")
-	family=$(mptcp_lib_evts_get_info family "$evt" "$e_type")
-	sport=$(mptcp_lib_evts_get_info sport "$evt" "$e_type")
-	if [ $family ] && [ $family = $AF_INET6 ]; then
-		saddr=$(mptcp_lib_evts_get_info saddr6 "$evt" "$e_type")
-	else
-		saddr=$(mptcp_lib_evts_get_info saddr4 "$evt" "$e_type")
-	fi
-
-	if [ $type ] && [ $type = $e_type ] &&
-	   [ $family ] && [ $family = $e_family ] &&
-	   [ $saddr ] && [ $saddr = $e_saddr ] &&
-	   [ $sport ] && [ $sport = $e_sport ]; then
+	if mptcp_lib_verify_listener_events "${@}"; then
 		print_ok
 		return 0
 	fi
-	print_fail "$e_type:$type $e_family:$family $e_saddr:$saddr $e_sport:$sport"
 	fail_test
 }
 
diff --git a/tools/testing/selftests/net/mptcp/mptcp_lib.sh b/tools/testing/selftests/net/mptcp/mptcp_lib.sh
index 44491f18ed17..a977a722fb3d 100644
--- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh
@@ -468,3 +468,29 @@ mptcp_lib_check_expected() {
 
 	return "${rc}"
 }
+
+# shellcheck disable=SC2034 # Some variables are used below but indirectly
+mptcp_lib_verify_listener_events() {
+	local evt=${1}
+	local e_type=${2}
+	local e_family=${3}
+	local e_saddr=${4}
+	local e_sport=${5}
+	local type
+	local family
+	local saddr
+	local sport
+	local rc=0
+
+	type=$(mptcp_lib_evts_get_info type "${evt}" "${e_type}")
+	family=$(mptcp_lib_evts_get_info family "${evt}" "${e_type}")
+	if [ "${family}" ] && [ "${family}" = "${AF_INET6}" ]; then
+		saddr=$(mptcp_lib_evts_get_info saddr6 "${evt}" "${e_type}")
+	else
+		saddr=$(mptcp_lib_evts_get_info saddr4 "${evt}" "${e_type}")
+	fi
+	sport=$(mptcp_lib_evts_get_info sport "${evt}" "${e_type}")
+
+	mptcp_lib_check_expected "type" "family" "saddr" "sport" || rc="${?}"
+	return "${rc}"
+}
diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/testing/selftests/net/mptcp/userspace_pm.sh
index e9aea44edee5..1e0b39e5525c 100755
--- a/tools/testing/selftests/net/mptcp/userspace_pm.sh
+++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh
@@ -835,26 +835,11 @@ test_prio()
 
 verify_listener_events()
 {
-	local evt=$1
-	local e_type=$2
-	local e_family=$3
-	local e_saddr=$4
-	local e_sport=$5
-	local type
-	local family
-	local saddr
-	local sport
-
-	type=$(mptcp_lib_evts_get_info type $evt $e_type)
-	family=$(mptcp_lib_evts_get_info family $evt $e_type)
-	sport=$(mptcp_lib_evts_get_info sport $evt $e_type)
-	if [ $family ] && [ $family = $AF_INET6 ]; then
-		saddr=$(mptcp_lib_evts_get_info saddr6 $evt $e_type)
+	if mptcp_lib_verify_listener_events "${@}"; then
+		test_pass
 	else
-		saddr=$(mptcp_lib_evts_get_info saddr4 $evt $e_type)
+		test_fail
 	fi
-
-	check_expected "type" "family" "saddr" "sport"
 }
 
 test_listener()

-- 
2.43.0