Python3: resources and libraries

[csit.git] / resources / traffic_scripts / send_vxlan_check_vxlan.py

diff --git a/resources/traffic_scripts/send_vxlan_check_vxlan.py b/resources/traffic_scripts/send_vxlan_check_vxlan.py
index 3bf273d..162703d 100755 (executable)
--- a/resources/traffic_scripts/send_vxlan_check_vxlan.py
+++ b/resources/traffic_scripts/send_vxlan_check_vxlan.py
@@ -1,5 +1,6 @@
-#!/usr/bin/env python
-# Copyright (c) 2016 Cisco and/or its affiliates.
+#!/usr/bin/env python3
+
+# Copyright (c) 2019 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:
@@ -18,42 +19,46 @@ the other one. Dot1q or Dot1ad tagging of the ethernet frame can be set.
 
 import sys
 
-import vxlan
-
-from scapy.layers.inet import IP, UDP, Raw
+from scapy.layers.inet import IP, UDP
 from scapy.layers.l2 import Ether
+from scapy.packet import Raw
+
 from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
 from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
+from resources.traffic_scripts import vxlan
 
 
 def main():
     """Send IP ICMPv4/ICMPv6 packet from one traffic generator interface to
     the other one. Dot1q or Dot1ad tagging of the ethernet frame can be set.
     """
-    args = TrafficScriptArg(['tx_src_mac', 'tx_dst_mac', 'tx_src_ip',
-                             'tx_dst_ip', 'tx_vni', 'rx_src_ip', 'rx_dst_ip',
-                             'rx_vni'])
-
-    tx_if = args.get_arg('tx_if')
-    rx_if = args.get_arg('rx_if')
-    tx_src_mac = args.get_arg('tx_src_mac')
-    tx_dst_mac = args.get_arg('tx_dst_mac')
-    tx_src_ip = args.get_arg('tx_src_ip')
-    tx_dst_ip = args.get_arg('tx_dst_ip')
-    tx_vni = args.get_arg('tx_vni')
-    rx_src_ip = args.get_arg('rx_src_ip')
-    rx_dst_ip = args.get_arg('rx_dst_ip')
-    rx_vni = args.get_arg('rx_vni')
+    args = TrafficScriptArg(
+        [
+            u"tx_src_mac", u"tx_dst_mac", u"tx_src_ip", u"tx_dst_ip", u"tx_vni",
+            u"rx_src_ip", u"rx_dst_ip", u"rx_vni"
+        ]
+    )
+
+    tx_if = args.get_arg(u"tx_if")
+    rx_if = args.get_arg(u"rx_if")
+    tx_src_mac = args.get_arg(u"tx_src_mac")
+    tx_dst_mac = args.get_arg(u"tx_dst_mac")
+    tx_src_ip = args.get_arg(u"tx_src_ip")
+    tx_dst_ip = args.get_arg(u"tx_dst_ip")
+    tx_vni = args.get_arg(u"tx_vni")
+    rx_src_ip = args.get_arg(u"rx_src_ip")
+    rx_dst_ip = args.get_arg(u"rx_dst_ip")
+    rx_vni = args.get_arg(u"rx_vni")
 
     rxq = RxQueue(rx_if)
     txq = TxQueue(tx_if)
 
     sent_packets = []
 
-    tx_pkt_p = (Ether(src='02:00:00:00:00:01', dst='02:00:00:00:00:02') /
-                IP(src='192.168.1.1', dst='192.168.1.2') /
+    tx_pkt_p = (Ether(src=u"02:00:00:00:00:01", dst=u"02:00:00:00:00:02") /
+                IP(src=u"192.168.1.1", dst=u"192.168.1.2") /
                 UDP(sport=12345, dport=1234) /
-                Raw('rew data'))
+                Raw(u"raw data"))
 
     pkt_raw = (Ether(src=tx_src_mac, dst=tx_dst_mac) /
                IP(src=tx_src_ip, dst=tx_dst_ip) /
@@ -61,6 +66,7 @@ def main():
                vxlan.VXLAN(vni=int(tx_vni)) /
                tx_pkt_p)
 
+    pkt_raw /= Raw()
     # Send created packet on one interface and receive on the other
     sent_packets.append(pkt_raw)
     txq.send(pkt_raw)
@@ -69,38 +75,45 @@ def main():
 
     # Check whether received packet contains layers Ether, IP and VXLAN
     if ether is None:
-        raise RuntimeError('Packet Rx timeout')
+        raise RuntimeError(u"Packet Rx timeout")
     ip = ether.payload
 
     if ip.src != rx_src_ip:
-        raise RuntimeError('IP src mismatch {} != {}'.format(ip.src, rx_src_ip))
+        raise RuntimeError(f"IP src mismatch {ip.src} != {rx_src_ip}")
     if ip.dst != rx_dst_ip:
-        raise RuntimeError('IP dst mismatch {} != {}'.format(ip.dst, rx_dst_ip))
+        raise RuntimeError(f"IP dst mismatch {ip.dst} != {rx_dst_ip}")
     if ip.payload.dport != 4789:
-        raise RuntimeError('VXLAN UDP port mismatch {} != {}'.
-                           format(ip.payload.dport, 4789))
+        raise RuntimeError(
+            f"VXLAN UDP port mismatch {ip.payload.dport} != 4789"
+        )
     vxlan_pkt = ip.payload.payload
 
     if int(vxlan_pkt.vni) != int(rx_vni):
-        raise RuntimeError('vxlan mismatch')
+        raise RuntimeError(u"vxlan mismatch")
     rx_pkt_p = vxlan_pkt.payload
 
     if rx_pkt_p.src != tx_pkt_p.src:
-        raise RuntimeError('RX encapsulated MAC src mismatch {} != {}'.
-                           format(rx_pkt_p.src, tx_pkt_p.src))
+        raise RuntimeError(
+            f"RX encapsulated MAC src mismatch {rx_pkt_p.src} != {tx_pkt_p.src}"
+        )
     if rx_pkt_p.dst != tx_pkt_p.dst:
-        raise RuntimeError('RX encapsulated MAC dst mismatch {} != {}'.
-                           format(rx_pkt_p.dst, tx_pkt_p.dst))
-    if rx_pkt_p['IP'].src != tx_pkt_p['IP'].src:
-        raise RuntimeError('RX encapsulated IP src mismatch {} != {}'.
-                           format(rx_pkt_p['IP'].src, tx_pkt_p['IP'].src))
-    if rx_pkt_p['IP'].dst != tx_pkt_p['IP'].dst:
-        raise RuntimeError('RX encapsulated IP dst mismatch {} != {}'.
-                           format(rx_pkt_p['IP'].dst, tx_pkt_p['IP'].dst))
+        raise RuntimeError(
+            f"RX encapsulated MAC dst mismatch {rx_pkt_p.dst} != {tx_pkt_p.dst}"
+        )
+    if rx_pkt_p[IP].src != tx_pkt_p[IP].src:
+        raise RuntimeError(
+            f"RX encapsulated IP src mismatch {rx_pkt_p[IP].src} != "
+            f"{tx_pkt_p[IP].src}"
+        )
+    if rx_pkt_p[IP].dst != tx_pkt_p[IP].dst:
+        raise RuntimeError(
+            f"RX encapsulated IP dst mismatch {rx_pkt_p[IP].dst} != "
+            f"{tx_pkt_p[IP].dst}"
+        )
 
     # TODO: verify inner Ether()
 
     sys.exit(0)
 
-if __name__ == "__main__":
+if __name__ == u"__main__":
     main()