X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FPacketVerifier.py;h=bbfdfe86888476e50be73d818d29eec1bbed79c1;hp=59ea2db5a30e68c1845d5fed59839504e9f416ca;hb=a912d105f3a1d8fed0b4cf6b18e0ef7789be81bf;hpb=edd554cdb32b124136f49cb17f711ecda0f0176c

diff --git a/resources/libraries/python/PacketVerifier.py b/resources/libraries/python/PacketVerifier.py
index 59ea2db5a3..bbfdfe8688 100644
--- a/resources/libraries/python/PacketVerifier.py
+++ b/resources/libraries/python/PacketVerifier.py
@@ -68,7 +68,7 @@ import socket
 import select
 
 from scapy.all import ETH_P_IP, ETH_P_IPV6, ETH_P_ALL, ETH_P_ARP
-from scapy.all import Ether, ARP, Packet
+from scapy.all import Ether, ARP
 from scapy.layers.inet6 import IPv6
 
 __all__ = ['RxQueue', 'TxQueue', 'Interface', 'create_gratuitous_arp_request',
@@ -276,17 +276,32 @@ class TxQueue(PacketVerifier):
 
 
 class Interface(object):
+    """Class for network interfaces. Contains methods for sending and receiving
+     packets."""
     def __init__(self, if_name):
+        """Initialize the interface class.
+
+        :param if_name: Name of the interface.
+        :type if_name: str
+        """
         self.if_name = if_name
         self.sent_packets = []
         self.rxq = RxQueue(if_name)
         self.txq = TxQueue(if_name)
 
     def send_pkt(self, pkt):
+        """Send the provided packet out the interface."""
         self.sent_packets.append(pkt)
         self.txq.send(pkt)
 
     def recv_pkt(self, timeout=3):
+        """Read one packet from the interface's receive queue.
+
+        :param timeout: Timeout value in seconds.
+        :type timeout: int
+        :return: Ether() initialized object from packet data.
+        :rtype: scapy.Ether
+        """
         return self.rxq.recv(timeout, self.sent_packets)