Python3: resources and libraries

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

diff --git a/resources/traffic_scripts/send_icmp_check_headers.py b/resources/traffic_scripts/send_icmp_check_headers.py
deleted file mode 100755 (executable)
index 2193164..0000000
--- a/resources/traffic_scripts/send_icmp_check_headers.py
+++ /dev/null
@@ -1,153 +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 an IP ICMPv4/ICMPv6 packet from one interface
-to the other. Source and destination IP addresses and source and destination
-MAC addresses are checked in received packet.
-"""
-
-import sys
-
-import ipaddress
-from robot.api import logger
-from scapy.layers.inet import ICMP, IP
-from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6ND_NS
-from scapy.layers.l2 import Ether, Dot1Q
-
-from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
-from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
-
-
-def valid_ipv4(ip):
-    try:
-        ipaddress.IPv4Address(unicode(ip))
-        return True
-    except (AttributeError, ipaddress.AddressValueError):
-        return False
-
-
-def valid_ipv6(ip):
-    try:
-        ipaddress.IPv6Address(unicode(ip))
-        return True
-    except (AttributeError, ipaddress.AddressValueError):
-        return False
-
-
-def main():
-    """Send IP ICMP packet from one traffic generator interface to the other."""
-    args = TrafficScriptArg(
-        ['tg_src_mac', 'tg_dst_mac', 'src_ip', 'dst_ip', 'dut_if1_mac',
-         'dut_if2_mac'],
-        ['encaps_tx', 'vlan_tx', 'vlan_outer_tx',
-         'encaps_rx', 'vlan_rx', 'vlan_outer_rx'])
-
-    tx_src_mac = args.get_arg('tg_src_mac')
-    tx_dst_mac = args.get_arg('dut_if1_mac')
-    rx_dst_mac = args.get_arg('tg_dst_mac')
-    rx_src_mac = args.get_arg('dut_if2_mac')
-    src_ip = args.get_arg('src_ip')
-    dst_ip = args.get_arg('dst_ip')
-    tx_if = args.get_arg('tx_if')
-    rx_if = args.get_arg('rx_if')
-
-    encaps_tx = args.get_arg('encaps_tx')
-    vlan_tx = args.get_arg('vlan_tx')
-    vlan_outer_tx = args.get_arg('vlan_outer_tx')
-    encaps_rx = args.get_arg('encaps_rx')
-    vlan_rx = args.get_arg('vlan_rx')
-    vlan_outer_rx = args.get_arg('vlan_outer_rx')
-
-    rxq = RxQueue(rx_if)
-    txq = TxQueue(tx_if)
-    sent_packets = []
-    ip_format = ''
-    pkt_raw = Ether(src=tx_src_mac, dst=tx_dst_mac)
-    if encaps_tx == 'Dot1q':
-        pkt_raw /= Dot1Q(vlan=int(vlan_tx))
-    elif encaps_tx == 'Dot1ad':
-        pkt_raw.type = 0x88a8
-        pkt_raw /= Dot1Q(vlan=vlan_outer_tx)
-        pkt_raw /= Dot1Q(vlan=vlan_tx)
-    if valid_ipv4(src_ip) and valid_ipv4(dst_ip):
-        pkt_raw /= IP(src=src_ip, dst=dst_ip)
-        pkt_raw /= ICMP()
-        ip_format = IP
-    elif valid_ipv6(src_ip) and valid_ipv6(dst_ip):
-        pkt_raw /= IPv6(src=src_ip, dst=dst_ip)
-        pkt_raw /= ICMPv6EchoRequest()
-        ip_format = IPv6
-    else:
-        raise ValueError("IP not in correct format")
-
-    sent_packets.append(pkt_raw)
-    txq.send(pkt_raw)
-
-    while True:
-        if tx_if == rx_if:
-            ether = rxq.recv(2, ignore=sent_packets)
-        else:
-            ether = rxq.recv(2)
-        if ether is None:
-            raise RuntimeError('ICMP echo Rx timeout')
-
-        if ether.haslayer(ICMPv6ND_NS):
-            # read another packet in the queue if the current one is ICMPv6ND_NS
-            continue
-        else:
-            # otherwise process the current packet
-            break
-
-    if rx_dst_mac == ether[Ether].dst and rx_src_mac == ether[Ether].src:
-        logger.trace("MAC matched")
-    else:
-        raise RuntimeError("Matching packet unsuccessful: {0}".
-                           format(ether.__repr__()))
-
-    if encaps_rx == 'Dot1q':
-        if ether[Dot1Q].vlan == int(vlan_rx):
-            logger.trace("VLAN matched")
-        else:
-            raise RuntimeError('Ethernet frame with wrong VLAN tag ({}-'
-                               'received, {}-expected):\n{}'.
-                               format(ether[Dot1Q].vlan, vlan_rx,
-                                      ether.__repr__()))
-        ip = ether[Dot1Q].payload
-    elif encaps_rx == 'Dot1ad':
-        raise NotImplementedError()
-    else:
-        ip = ether.payload
-
-    if not isinstance(ip, ip_format):
-        raise RuntimeError("Not an IP packet received {0}".
-                           format(ip.__repr__()))
-
-    # Compare data from packets
-    if src_ip == ip.src:
-        logger.trace("Src IP matched")
-    else:
-        raise RuntimeError("Matching Src IP unsuccessful: {} != {}".
-                           format(src_ip, ip.src))
-
-    if dst_ip == ip.dst:
-        logger.trace("Dst IP matched")
-    else:
-        raise RuntimeError("Matching Dst IP unsuccessful: {} != {}".
-                           format(dst_ip, ip.dst))
-
-    sys.exit(0)
-
-
-if __name__ == "__main__":
-    main()