Python3: resources and libraries

[csit.git] / resources / traffic_scripts / send_ipv4_udp_check_map_t.py

diff --git a/resources/traffic_scripts/send_ipv4_udp_check_map_t.py b/resources/traffic_scripts/send_ipv4_udp_check_map_t.py
deleted file mode 100755 (executable)
index 835f667..0000000
--- a/resources/traffic_scripts/send_ipv4_udp_check_map_t.py
+++ /dev/null
@@ -1,132 +0,0 @@
-#!/usr/bin/env python
-# Copyright (c) 2016 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:
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""Traffic script that sends a UDP datagram and checks if IPv4 addresses
-are correctly translate to IPv6 addresses."""
-
-import sys
-
-from scapy.layers.l2 import Ether
-from scapy.layers.inet import IP, UDP
-from ipaddress import ip_address
-
-from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
-from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
-
-
-def _check_udp_checksum(pkt):
-    """Check UDP checksum in IP packet. Return True if checksum is correct
-    else False."""
-    new = pkt.__class__(str(pkt))
-    del new['UDP'].chksum
-    new = new.__class__(str(new))
-    return new['UDP'].chksum == pkt['UDP'].chksum
-
-
-def _is_udp_in_ipv6(pkt):
-    """If IPv6 next header type in the given pkt is UDP, return True,
-    else return False. False is returned also if exception occurs."""
-    ipv6_type = int('0x86dd', 16)  # IPv6
-    try:
-        if pkt.type == ipv6_type:
-            if pkt.payload.nh == 17:  # UDP
-                return True
-    except AttributeError:
-        return False
-    return False
-
-
-def main():  # pylint: disable=too-many-statements, too-many-locals
-    """Main function of the script file."""
-    args = TrafficScriptArg(['tx_dst_mac', 'tx_src_ipv4', 'tx_dst_ipv4',
-                             'tx_dst_udp_port', 'rx_dst_mac', 'rx_src_mac',
-                             'rx_src_ipv6', 'rx_dst_ipv6'])
-    rx_if = args.get_arg('rx_if')
-    tx_if = args.get_arg('tx_if')
-    tx_dst_mac = args.get_arg('tx_dst_mac')
-    tx_src_ipv4 = args.get_arg('tx_src_ipv4')
-    tx_dst_ipv4 = args.get_arg('tx_dst_ipv4')
-    tx_dst_udp_port = int(args.get_arg('tx_dst_udp_port'))
-    tx_src_udp_port = 20000
-    rx_dst_mac = args.get_arg('rx_dst_mac')
-    rx_src_mac = args.get_arg('rx_src_mac')
-    rx_src_ipv6 = args.get_arg('rx_src_ipv6')
-    rx_dst_ipv6 = args.get_arg('rx_dst_ipv6')
-
-    rxq = RxQueue(rx_if)
-    txq = TxQueue(tx_if)
-    sent_packets = []
-
-    # Create empty UDP datagram
-    udp = (Ether(dst=tx_dst_mac) /
-           IP(src=tx_src_ipv4, dst=tx_dst_ipv4) /
-           UDP(sport=tx_src_udp_port, dport=tx_dst_udp_port) /
-           'udp_payload')
-
-    txq.send(udp)
-    sent_packets.append(udp)
-
-    for _ in range(5):
-        pkt = rxq.recv(2)
-        if _is_udp_in_ipv6(pkt):
-            ether = pkt
-            break
-    else:
-        raise RuntimeError("UDP in IPv6 Rx error.")
-
-    # check ethernet
-    if ether.dst != rx_dst_mac:
-        raise RuntimeError("Destination MAC error {} != {}.".
-                           format(ether.dst, rx_dst_mac))
-    print "Destination MAC: OK."
-
-    if ether.src != rx_src_mac:
-        raise RuntimeError("Source MAC error {} != {}.".
-                           format(ether.src, rx_src_mac))
-    print "Source MAC: OK."
-
-    ipv6 = ether.payload
-
-    # check ipv6
-    if ip_address(unicode(ipv6.dst)) != ip_address(unicode(rx_dst_ipv6)):
-        raise RuntimeError("Destination IP error {} != {}.".
-                           format(ipv6.dst, rx_dst_ipv6))
-    print "Destination IPv6: OK."
-
-    if ip_address(unicode(ipv6.src)) != ip_address(unicode(rx_src_ipv6)):
-        raise RuntimeError("Source IP error {} != {}.".
-                           format(ipv6.src, rx_src_ipv6))
-    print "Source IPv6: OK."
-
-    udp = ipv6.payload
-
-    # check udp
-    if udp.dport != tx_dst_udp_port:
-        raise RuntimeError("UDP dport error {} != {}.".
-                           format(udp.dport, tx_dst_udp_port))
-    print "UDP dport: OK."
-
-    if udp.sport != tx_src_udp_port:
-        raise RuntimeError("UDP sport error {} != {}.".
-                           format(udp.sport, tx_src_udp_port))
-    print "UDP sport: OK."
-
-    if not _check_udp_checksum(ipv6):
-        raise RuntimeError("UDP checksum error.")
-    print "UDP checksum OK."
-
-    sys.exit(0)
-
-if __name__ == "__main__":
-    main()