+import socket
+
+
+class IGMP_MODE:
+ ROUTER = 0
+ HOST = 1
+
+
+class IGMP_FILTER:
+ INCLUDE = 1
+ EXCLUDE = 0
+
+
+def find_igmp_state(states, itf, gaddr, saddr):
+ for s in states:
+ if s.sw_if_index == itf.sw_if_index and \
+ str(s.gaddr) == gaddr and str(s.saddr) == saddr:
+ return True
+ return False
+
+
+def wait_for_igmp_event(test, timeout, itf, gaddr, saddr, ff):
+ ev = test.vapi.wait_for_event(timeout, "igmp_event")
+ if ev.sw_if_index == itf.sw_if_index and \
+ str(ev.gaddr) == gaddr and str(ev.saddr) == saddr and \
+ ev.filter == ff:
+ return True
+ return False