FIX: Pylint reduce

[csit.git] / GPL / traffic_scripts / send_icmp_wait_for_reply.py

diff --git a/GPL/traffic_scripts/send_icmp_wait_for_reply.py b/GPL/traffic_scripts/send_icmp_wait_for_reply.py
index 7855463..fefa60f 100644 (file)
--- a/GPL/traffic_scripts/send_icmp_wait_for_reply.py
+++ b/GPL/traffic_scripts/send_icmp_wait_for_reply.py
@@ -1,11 +1,21 @@
 #!/usr/bin/env python3
 
-# Copyright (c) 2020 Cisco and/or its affiliates.
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at:
+# Copyright (c) 2021 Cisco and/or its affiliates.
+#
+# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+#
+# Licensed under the Apache License 2.0 or
+# GNU General Public License v2.0 or later;  you may not use this file
+# except in compliance with one of these Licenses. You
+# may obtain a copy of the Licenses at:
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
+#     https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
+#
+# Note: If this file is linked with Scapy, which is GPLv2+, your use of it
+# must be under GPLv2+.  If at any point in the future it is no longer linked
+# with Scapy (or other GPLv2+ licensed software), you are free to choose
+# Apache 2.
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ -19,8 +29,8 @@ 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
 from scapy.layers.l2 import Ether
 from scapy.packet import Raw
 
@@ -28,33 +38,33 @@ from .PacketVerifier import RxQueue, TxQueue
 from .TrafficScriptArg import TrafficScriptArg
 
 
-def valid_ipv4(ip):
-    """Check if IP address has the correct IPv4 address format.
+def valid_ipv4(ip_address):
+    """Check IPv4 address.
 
-    :param ip: IP address.
-    :type ip: str
-    :return: True in case of correct IPv4 address format,
-             otherwise return False.
+    :param ip_address: IPv4 address to check.
+    :type ip_address: str
+    :returns: True if IP address is correct.
     :rtype: bool
+    :raises AttributeError, AddressValueError: If IP address is not valid.
     """
     try:
-        ipaddress.IPv4Address(ip)
+        ipaddress.IPv4Address(ip_address)
         return True
     except (AttributeError, ipaddress.AddressValueError):
         return False
 
 
-def valid_ipv6(ip):
-    """Check if IP address has the correct IPv6 address format.
+def valid_ipv6(ip_address):
+    """Check IPv6 address.
 
-    :param ip: IP address.
-    :type ip: str
-    :return: True in case of correct IPv6 address format,
-             otherwise return False.
+    :param ip_address: IPv6 address to check.
+    :type ip_address: str
+    :returns: True if IP address is correct.
     :rtype: bool
+    :raises AttributeError, AddressValueError: If IP address is not valid.
     """
     try:
-        ipaddress.IPv6Address(ip)
+        ipaddress.IPv6Address(ip_address)
         return True
     except (AttributeError, ipaddress.AddressValueError):
         return False
@@ -95,9 +105,9 @@ 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
@@ -116,6 +126,10 @@ def main():
             elif icmp_reply.haslayer(ICMPv6ND_NS):
                 # read another packet in the queue in case of ICMPv6ND_NS packet
                 continue
+            elif icmp_reply.haslayer(ICMPv6MLReport2):
+                # read another packet in the queue if the current one is
+                # ICMPv6MLReport2
+                continue
             else:
                 # otherwise process the current packet
                 break