+++ /dev/null
-#!/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 icmp packet
-from one interface to the other.
-"""
-
-import sys
-import ipaddress
-
-from scapy.layers.inet import ICMP, IP
-from scapy.layers.inet6 import IPv6
-from scapy.all import Ether
-from scapy.layers.inet6 import ICMPv6EchoRequest
-from robot.api import logger
-
-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'])
-
- src_mac = args.get_arg('tg_src_mac')
- dst_mac = args.get_arg('tg_dst_mac')
- dut1_if1_mac = args.get_arg('dut_if1_mac')
- dut1_if2_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')
-
- rxq = RxQueue(rx_if)
- txq = TxQueue(tx_if)
- sent_packets = []
- ip_format = ''
- pkt_raw = ''
- if valid_ipv4(src_ip) and valid_ipv4(dst_ip):
- pkt_raw = (Ether(src=src_mac, dst=dut1_if1_mac) /
- IP(src=src_ip, dst=dst_ip) /
- ICMP())
- ip_format = 'IP'
- elif valid_ipv6(src_ip) and valid_ipv6(dst_ip):
- pkt_raw = (Ether(src=src_mac, dst=dut1_if1_mac) /
- IPv6(src=src_ip, dst=dst_ip) /
- ICMPv6EchoRequest())
- ip_format = 'IPv6'
- else:
- raise ValueError("IP not in correct format")
-
- sent_packets.append(pkt_raw)
- txq.send(pkt_raw)
- ether = rxq.recv(2)
-
- if ether is None:
- raise RuntimeError("ICMP echo Rx timeout")
- if not ether.haslayer(ip_format):
- raise RuntimeError("Not an IP packet received {0}"
- .format(ether.__repr__()))
-
- # Compare data from packets
- if src_ip == ether[ip_format].src and dst_ip == ether[ip_format].dst:
- logger.trace("IP matched")
- if dst_mac == ether['Ethernet'].dst and \
- dut1_if2_mac == ether['Ethernet'].src:
- logger.trace("MAC matched")
- else:
- raise RuntimeError("Matching packet unsuccessful: {0}"
- .format(ether.__repr__()))
- else:
- raise RuntimeError("Matching packet unsuccessful: {0}"
- .format(ether.__repr__()))
- sys.exit(0)
-
-
-if __name__ == "__main__":
- main()