[PATCH mptcp-next v4 2/5] selftests: mptcp: new approach of getting ID

Geliang Tang posted 5 patches 4 years ago
There is a newer version of this series
[PATCH mptcp-next v4 2/5] selftests: mptcp: new approach of getting ID
Posted by Geliang Tang 4 years ago
This patch implemented a more flexible approach to get the address ID
from the PM dump output.

The original 'pos+=5' in the remoing tests only works for the simple
case of 'pm_nl_ctl show':

id 1 flags subflow 10.0.1.1

It dosen't work for the outputs with dev or port:

id 1 flags signal 10.0.2.1 10100
id 1 flags subflow dev ns2eth3 10.0.3.2

This patch rewrites it to fit for more cases and the output of
'ip mptcp'.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
---
 .../testing/selftests/net/mptcp/mptcp_join.sh | 65 +++++++++++--------
 1 file changed, 38 insertions(+), 27 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index e6492347d75d..a2d5cafb2174 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -472,20 +472,25 @@ do_transfer()
 	elif [ $addr_nr_ns1 -lt 0 ]; then
 		let rm_nr_ns1=-addr_nr_ns1
 		if [ $rm_nr_ns1 -lt 8 ]; then
-			counter=1
-			pos=1
-			dump=(`ip netns exec ${listener_ns} ./pm_nl_ctl dump`)
-			if [ ${#dump[@]} -gt 0 ]; then
-				while [ $counter -le $rm_nr_ns1 ]
-				do
-					id=${dump[$pos]}
-					rm_addr=$(rm_addr_count ${connector_ns})
-					pm_nl_del_endpoint ${listener_ns} $id
-					wait_rm_addr ${connector_ns} ${rm_addr}
-					let counter+=1
-					let pos+=5
+			counter=0
+			ip netns exec ${listener_ns} ./pm_nl_ctl dump | while read line; do
+				local arr=($line)
+				local nr=0
+
+				for i in ${arr[@]}; do
+					if [ $i = "id" ]; then
+						if [ $counter -eq $rm_nr_ns1 ]; then
+							break
+						fi
+						id=${arr[$nr+1]}
+						rm_addr=$(rm_addr_count ${connector_ns})
+						pm_nl_del_endpoint ${listener_ns} $id
+						wait_rm_addr ${connector_ns} ${rm_addr}
+						let counter+=1
+					fi
+					let nr+=1
 				done
-			fi
+			done
 		elif [ $rm_nr_ns1 -eq 8 ]; then
 			pm_nl_flush_endpoint ${listener_ns}
 		elif [ $rm_nr_ns1 -eq 9 ]; then
@@ -520,21 +525,27 @@ do_transfer()
 	elif [ $addr_nr_ns2 -lt 0 ]; then
 		let rm_nr_ns2=-addr_nr_ns2
 		if [ $rm_nr_ns2 -lt 8 ]; then
-			counter=1
-			pos=1
-			dump=(`ip netns exec ${connector_ns} ./pm_nl_ctl dump`)
-			if [ ${#dump[@]} -gt 0 ]; then
-				while [ $counter -le $rm_nr_ns2 ]
-				do
-					# rm_addr are serialized, allow the previous one to complete
-					id=${dump[$pos]}
-					rm_addr=$(rm_addr_count ${listener_ns})
-					pm_nl_del_endpoint ${connector_ns} $id
-					wait_rm_addr ${listener_ns} ${rm_addr}
-					let counter+=1
-					let pos+=5
+			counter=0
+			ip netns exec ${connector_ns} ./pm_nl_ctl dump | while read line; do
+				local arr=($line)
+				local nr=0
+
+				for i in ${arr[@]}; do
+					if [ $i = "id" ]; then
+						if [ $counter -eq $rm_nr_ns2 ]; then
+							break
+						fi
+						# rm_addr are serialized, allow the previous one to
+						# complete
+						id=${arr[$nr+1]}
+						rm_addr=$(rm_addr_count ${listener_ns})
+						pm_nl_del_endpoint ${connector_ns} $id
+						wait_rm_addr ${listener_ns} ${rm_addr}
+						let counter+=1
+					fi
+					let nr+=1
 				done
-			fi
+			done
 		elif [ $rm_nr_ns2 -eq 8 ]; then
 			pm_nl_flush_endpoint ${connector_ns}
 		elif [ $rm_nr_ns2 -eq 9 ]; then
-- 
2.31.1