Python3: resources and libraries

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

diff --git a/resources/traffic_scripts/send_icmp_type_code.py b/resources/traffic_scripts/send_icmp_type_code.py
deleted file mode 100755 (executable)
index 2997f91..0000000
--- a/resources/traffic_scripts/send_icmp_type_code.py
+++ /dev/null
@@ -1,132 +0,0 @@
-#!/usr/bin/env python
-# Copyright (c) 2017 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 one. Dot1q or Dot1ad tagging of the ethernet frame can be set.
-"""
-
-import sys
-import ipaddress
-
-from scapy.layers.l2 import Ether
-from scapy.layers.inet import ICMP, IP
-from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6ND_NS
-
-from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
-from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
-
-
-def valid_ipv4(ip):
-    """Check if IP address has the correct IPv4 address format.
-
-    :param ip: IP address.
-    :type ip: str
-    :returns: True in case of correct IPv4 address format,
-    otherwise return false.
-    :rtype: bool
-    """
-    try:
-        ipaddress.IPv4Address(unicode(ip))
-        return True
-    except (AttributeError, ipaddress.AddressValueError):
-        return False
-
-
-def valid_ipv6(ip):
-    """Check if IP address has the correct IPv6 address format.
-
-    :param ip: IP address.
-    :type ip: str
-    :returns: True in case of correct IPv6 address format,
-    otherwise return false.
-    :rtype: bool
-    """
-    try:
-        ipaddress.IPv6Address(unicode(ip))
-        return True
-    except (AttributeError, ipaddress.AddressValueError):
-        return False
-
-
-def main():
-    """Send IP ICMPv4/ICMPv6 packet from one traffic generator interface to
-    the other one."""
-
-    args = TrafficScriptArg(['src_mac', 'dst_mac', 'src_ip', 'dst_ip',
-                            'icmp_type', 'icmp_code'])
-
-    src_mac = args.get_arg('src_mac')
-    dst_mac = args.get_arg('dst_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')
-
-    icmp_type = int(args.get_arg('icmp_type'))
-    icmp_code = int(args.get_arg('icmp_code'))
-
-    rxq = RxQueue(rx_if)
-    txq = TxQueue(tx_if)
-
-    sent_packets = []
-
-    # Create empty ip ICMP packet and add padding before sending
-    if valid_ipv4(src_ip) and valid_ipv4(dst_ip):
-        pkt_raw = (Ether(src=src_mac, dst=dst_mac) /
-                   IP(src=src_ip, dst=dst_ip) /
-                   ICMP(code=icmp_code, type=icmp_type))
-        ip_format = IP
-        icmp_format = ICMP
-    elif valid_ipv6(src_ip) and valid_ipv6(dst_ip):
-        pkt_raw = (Ether(src=src_mac, dst=dst_mac) /
-                   IPv6(src=src_ip, dst=dst_ip) /
-                   ICMPv6EchoRequest(code=icmp_code, type=icmp_type))
-        ip_format = IPv6
-        icmp_format = 'ICMPv6'
-    else:
-        raise ValueError("IP(s) not in correct format")
-
-    # Send created packet on one interface and receive on the other
-    sent_packets.append(pkt_raw)
-    txq.send(pkt_raw)
-
-    while True:
-        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
-
-    # Check whether received packet contains layers IP and ICMP
-    if not ether.haslayer(ip_format):
-        raise RuntimeError('Not an IP packet received {0}'.
-                           format(ether.__repr__()))
-
-    # Cannot use haslayer for ICMPv6, every type of ICMPv6 is a separate layer
-    # Next header value of 58 means the next header is ICMPv6
-    if not ether.haslayer(icmp_format) and ether[ip_format].nh != 58:
-        raise RuntimeError('Not an ICMP packet received {0}'.
-                           format(ether.__repr__()))
-
-    sys.exit(0)
-
-
-if __name__ == "__main__":
-    main()