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authorPatrik Hrnciar <phrnciar@cisco.com>2016-05-18 11:53:52 +0200
committerPatrik Hrnciar <phrnciar@cisco.com>2016-06-07 16:13:57 +0200
commit559a2b904cf95e4a5a82726d8b3791e57e7a9f9c (patch)
treefebc700ccaa624158ec3bbc774c7b2ba99845a0b /resources/traffic_scripts/send_tcp_udp.py
parent681bb937b97b0c2bf10595e2042cf5943d61896b (diff)
iACL TCP/UDP tests
- IPv4 CSIT-92 - IPv6 CSIT-107 Change-Id: Ia93e96f624ce73ef08b89d4b22334a67ebb69e13 Signed-off-by: Patrik Hrnciar <phrnciar@cisco.com>
Diffstat (limited to 'resources/traffic_scripts/send_tcp_udp.py')
-rwxr-xr-xresources/traffic_scripts/send_tcp_udp.py121
1 files changed, 121 insertions, 0 deletions
diff --git a/resources/traffic_scripts/send_tcp_udp.py b/resources/traffic_scripts/send_tcp_udp.py
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+++ b/resources/traffic_scripts/send_tcp_udp.py
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+#!/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 TCP or UDP packet
+from one interface to the other.
+"""
+
+import sys
+import ipaddress
+
+from scapy.layers.inet import IP, UDP, TCP
+from scapy.layers.inet6 import IPv6
+from scapy.all import Ether
+
+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
+ :return: 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
+ :return: 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 TCP or UDP packet from one traffic generator interface to the other.
+ """
+ args = TrafficScriptArg(
+ ['tx_mac', 'rx_mac', 'src_ip', 'dst_ip', 'protocol',
+ 'source_port', 'destination_port'])
+
+ src_mac = args.get_arg('tx_mac')
+ dst_mac = args.get_arg('rx_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')
+
+ protocol = args.get_arg('protocol')
+ source_port = args.get_arg('source_port')
+ destination_port = args.get_arg('destination_port')
+
+ ip_version = None
+ if valid_ipv4(src_ip) and valid_ipv4(dst_ip):
+ ip_version = IP
+ elif valid_ipv6(src_ip) and valid_ipv6(dst_ip):
+ ip_version = IPv6
+ else:
+ ValueError("Invalid IP version!")
+
+ if protocol.upper() == 'TCP':
+ protocol = TCP
+ elif protocol.upper() == 'UDP':
+ protocol = UDP
+ else:
+ raise ValueError("Invalid type of protocol!")
+
+ rxq = RxQueue(rx_if)
+ txq = TxQueue(tx_if)
+
+ pkt_raw = (Ether(src=src_mac, dst=dst_mac) /
+ ip_version(src=src_ip, dst=dst_ip) /
+ protocol(sport=int(source_port), dport=int(destination_port)))
+
+ txq.send(pkt_raw)
+ ether = rxq.recv(2)
+
+ if ether is None:
+ raise RuntimeError("TCP/UDP Rx timeout")
+
+ if 'TCP' in ether:
+ print ("TCP packet received.")
+
+ elif 'UDP' in ether:
+ print ("UDP packet received.")
+ else:
+ raise RuntimeError("Not an TCP or UDP packet received {0}"
+ .format(ether.__repr__()))
+
+ sys.exit(0)
+
+
+if __name__ == "__main__":
+ main()