fix(Pylint): Small fixes
[csit.git] / GPL / traffic_scripts / send_icmp_wait_for_reply.py
index 70d9a99..f09287f 100644 (file)
 """Traffic script that sends an IP ICMPv4 or ICMPv6."""
 
 import sys
-import ipaddress
 
 from scapy.layers.inet import ICMP, IP
-from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6EchoReply,\
-    ICMPv6ND_NS
+from scapy.layers.inet6 import ICMPv6EchoRequest, ICMPv6EchoReply,\
+    ICMPv6ND_NS, ICMPv6MLReport2, ICMPv6ND_RA
 from scapy.layers.l2 import Ether
 from scapy.packet import Raw
 
 from .PacketVerifier import RxQueue, TxQueue
 from .TrafficScriptArg import TrafficScriptArg
-
-
-def valid_ipv4(ip):
-    """Check if IP address has the correct IPv4 address format.
-
-    :param ip: IP address.
-    :type ip: str
-    :return: True in case of correct IPv4 address format,
-             otherwise return False.
-    :rtype: bool
-    """
-    try:
-        ipaddress.IPv4Address(ip)
-        return True
-    except (AttributeError, ipaddress.AddressValueError):
-        return False
-
-
-def valid_ipv6(ip):
-    """Check if IP address has the correct IPv6 address format.
-
-    :param ip: IP address.
-    :type ip: str
-    :return: True in case of correct IPv6 address format,
-             otherwise return False.
-    :rtype: bool
-    """
-    try:
-        ipaddress.IPv6Address(ip)
-        return True
-    except (AttributeError, ipaddress.AddressValueError):
-        return False
+from .ValidIp import valid_ipv4, valid_ipv6
 
 
 def main():
@@ -105,9 +73,9 @@ def main():
         raise ValueError(u"IP not in correct format")
 
     icmp_request = (
-            Ether(src=src_mac, dst=dst_mac) /
-            ip_layer(src=src_ip, dst=dst_ip) /
-            icmp_req()
+        Ether(src=src_mac, dst=dst_mac) /
+        ip_layer(src=src_ip, dst=dst_ip) /
+        icmp_req()
     )
 
     # Send created packet on the interface
@@ -126,9 +94,16 @@ def main():
             elif icmp_reply.haslayer(ICMPv6ND_NS):
                 # read another packet in the queue in case of ICMPv6ND_NS packet
                 continue
-            else:
-                # otherwise process the current packet
-                break
+            elif icmp_reply.haslayer(ICMPv6MLReport2):
+                # read another packet in the queue if the current one is
+                # ICMPv6MLReport2
+                continue
+            elif icmp_reply.haslayer(ICMPv6ND_RA):
+                # read another packet in the queue if the current one is
+                # ICMPv6ND_RA
+                continue
+
+            break
 
         if icmp_reply[ip_layer][icmp_resp].type == icmp_type:
             if icmp_reply[ip_layer].src == dst_ip and \