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test: support ss as netstat replacement

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netstat is considered obsolete on Linux. It is replaced by ss from
iproute. Support both tools for the test port selection.
This commit is contained in:
Miroslav Lichvar
2021-01-13 17:01:01 +01:00
parent 624b76e86e
commit 82ddc6a883
1 changed files with 8 additions and 2 deletions
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10
test/system/test.common
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@@ -89,7 +89,13 @@ chronyc=$(command -v chronyc)
[ -x "$chronyd" ] || test_skip "chronyd not found"
[ -x "$chronyc" ] || test_skip "chronyc not found"
netstat -aln > /dev/null 2> /dev/null || test_skip "missing netstat"
if netstat -aln > /dev/null 2> /dev/null; then
port_list_command="netstat -aln"
elif ss -atun > /dev/null 2> /dev/null; then
port_list_command="ss -atun"
else
test_skip "missing netstat or ss"
fi
# Default test testings
default_minimal_config=0
@@ -180,7 +186,7 @@ get_free_port() {
while true; do
port=$((RANDOM % 10000 + 10000))
netstat -aln | grep -q '^\(tcp\|udp\).*[:.]'"$port " && continue
$port_list_command | grep -q '^\(tcp\|udp\).*[:.]'"$port " && continue
break
done