Add measure for session establishment delay

Makefile

@@ -211,3 +211,42 @@ graph/latency-switch:
 	@docker exec ue1-debug bash -c "ping -D -w 60 10.4.0.1 -i 0.1 > /volume/ping.txt"
 	@echo "[6/6] Stopping containers"
 	@$(MAKE) down
+
+.PHONY: graph/cp-delay
+graph/cp-delay:
+	@echo "Configuring testbed"
+	@$(MAKE) set/nb-ue/1
+	@$(MAKE) set/nb-edges/2
+	@echo "Setting dataplane to Free5GC"
+	@$(MAKE) set/dataplane/free5gc
+	@$(MAKE) build
+	@$(MAKE) graph/cp-delay/f5gc-1
+	@$(MAKE) graph/cp-delay/f5gc-2
+	@$(MAKE) graph/cp-delay/f5gc-3
+	@$(MAKE) graph/cp-delay/f5gc-4
+	@$(MAKE) graph/cp-delay/f5gc-5
+	@$(MAKE) graph/cp-delay/f5gc-6
+	@$(MAKE) graph/cp-delay/f5gc-7
+	@$(MAKE) graph/cp-delay/f5gc-8
+	@$(MAKE) graph/cp-delay/f5gc-9
+	@$(MAKE) graph/cp-delay/f5gc-10
+	@echo "Setting dataplane to NextMN-SRv6"
+	@$(MAKE) set/dataplane/nextmn-srv6
+	@$(MAKE) build
+	@$(MAKE) graph/cp-delay/srv6-1
+	@$(MAKE) graph/cp-delay/srv6-2
+	@$(MAKE) graph/cp-delay/srv6-3
+	@$(MAKE) graph/cp-delay/srv6-4
+	@$(MAKE) graph/cp-delay/srv6-5
+	@$(MAKE) graph/cp-delay/srv6-6
+	@$(MAKE) graph/cp-delay/srv6-7
+	@$(MAKE) graph/cp-delay/srv6-8
+	@$(MAKE) graph/cp-delay/srv6-9
+	@$(MAKE) graph/cp-delay/srv6-10
+
+graph/cp-delay/%:
+	@mkdir build/results -p
+	timeout --preserve-status -s TERM 15 tshark -i any -f sctp -w build/results/cp-delay-$(@F).pcapng &
+	@$(MAKE) up
+	@sleep 5
+	@$(MAKE) down

scripts/cp_delay.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+'''check control plane establishment delay'''
+
+import subprocess
+
+for dataplane in ['f5gc', 'srv6']:
+    for i in range(1, 11):
+        with open(f'build/results/cp-delay-{dataplane}-{i}.txt', 'w', encoding='utf-8') as f:
+            subprocess.run(['tshark', '-r',
+                            f'build/results/cp-delay-{dataplane}-{i}.pcapng',
+                            '-Y', 'ngap'
+                            ],
+                           check=True,
+                           stdout=f,
+                           stderr=subprocess.DEVNULL
+                           )
+mes_t1 = []
+mes_t2 = []
+for dataplane in ['f5gc', 'srv6']:
+    for i in range(1, 11):
+        with open(f'build/results/cp-delay-{dataplane}-{i}.txt', 'r', encoding='utf-8') as f:
+            for j, line in enumerate(f):
+                if 'InitialUEMessage' in line:
+                    mes_t1.append(float(line.strip().split(' ')[1]))
+                elif 'PDUSessionResourceSetupResponse' in line:
+                    mes_t2.append(float(line.strip().split(' ')[1]))
+if len(mes_t1) != 20 or len(mes_t2) != 20:
+    print('Wrong number of timestamps!')
+    print('t1', len(mes_t1))
+    print('t2', len(mes_t2))
+for i in range(10):
+    print(f'% f5gc - {i+1}: {(mes_t2[i] - mes_t1[i])*1000} ms')
+for i in range(10):
+    print(f'% srv6 - {i+1}: {(mes_t2[10+i] - mes_t1[10+i])*1000} ms')