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authorJan Gelety <jgelety@cisco.com>2019-11-12 05:27:43 +0100
committerJan Gelety <jgelety@cisco.com>2019-11-28 18:26:21 +0100
commitd68951ac245150eeefa6e0f4156e4c1b5c9e9325 (patch)
tree487554a7547218d27f0a61ec02b70502c32cdcb4 /resources/traffic_scripts/send_icmp_check_headers.py
parented0258a440cfad7023d643f717ab78ac568dc59b (diff)
Python3: resources and libraries
Change-Id: I1392c06b1d64f62b141d24c0d42a8e36913b15e2 Signed-off-by: Jan Gelety <jgelety@cisco.com>
Diffstat (limited to 'resources/traffic_scripts/send_icmp_check_headers.py')
-rwxr-xr-xresources/traffic_scripts/send_icmp_check_headers.py153
1 files changed, 0 insertions, 153 deletions
diff --git a/resources/traffic_scripts/send_icmp_check_headers.py b/resources/traffic_scripts/send_icmp_check_headers.py
deleted file mode 100755
index 2193164b61..0000000000
--- 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()