X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=vnfs%2FvLB%2Fscripts%2Frun_streams_dns.sh;h=b73c9ee73d30266bb3930f9f3e59c753c6c8a0c7;hb=3514fec2ce01344df19df298f6a0d39a369ad26c;hp=cf95fa53be3941137f39789cda542181689ac39f;hpb=9907e4958485625ba469b08d10cb11bd5a56dba6;p=demo.git

diff --git a/vnfs/vLB/scripts/run_streams_dns.sh b/vnfs/vLB/scripts/run_streams_dns.sh
index cf95fa53..b73c9ee7 100755
--- a/vnfs/vLB/scripts/run_streams_dns.sh
+++ b/vnfs/vLB/scripts/run_streams_dns.sh
@@ -1,9 +1,51 @@
 #!/bin/bash
 
+#Disable all the running streams
 vppctl packet-gen disable
+
+#Initial configuration: run only two streams
 vppctl packet-gen enable-stream dns1
 vppctl packet-gen enable-stream dns2
-sleep 100
-vppctl packet-gen enable-stream dns3
-vppctl packet-gen enable-stream dns4
-vppctl packet-gen enable-stream dns5
+
+sleep 180
+
+#Rehash port numbers and re-run five streams every minute
+while true; do
+	vppctl packet-gen disable
+	vppctl pac del dns1
+	vppctl pac del dns2
+	vppctl pac del dns3
+	vppctl pac del dns4
+	vppctl pac del dns5
+
+	#Update destination (vLB) IP
+	VLB_IPADDR=$(cat /opt/config/vlb_ipaddr.txt)
+	IPADDR1=$(cat /opt/config/local_private_ipaddr.txt)
+	sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns1
+	sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns2
+	sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns3
+	sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns4
+	sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns5
+
+	#Update source ports (make them random)
+	sed -i -e "s/.*-> 53.*/    UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns1
+	sed -i -e "s/.*-> 53.*/    UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns2
+	sed -i -e "s/.*-> 53.*/    UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns3
+	sed -i -e "s/.*-> 53.*/    UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns4
+	sed -i -e "s/.*-> 53.*/    UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns5
+
+	vppctl exec /opt/dns_streams/stream_dns1
+	vppctl exec /opt/dns_streams/stream_dns2
+	vppctl exec /opt/dns_streams/stream_dns3
+	vppctl exec /opt/dns_streams/stream_dns4
+	vppctl exec /opt/dns_streams/stream_dns5
+
+	#Resume stream execution
+	vppctl packet-gen enable-stream dns1
+	vppctl packet-gen enable-stream dns2
+	vppctl packet-gen enable-stream dns3
+	vppctl packet-gen enable-stream dns4
+	vppctl packet-gen enable-stream dns5
+
+	sleep 60
+done
\ No newline at end of file