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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/dhcp/send_and_check_proxy_discover.py
parented0258a440cfad7023d643f717ab78ac568dc59b (diff)
Python3: resources and libraries
Change-Id: I1392c06b1d64f62b141d24c0d42a8e36913b15e2 Signed-off-by: Jan Gelety <jgelety@cisco.com>
Diffstat (limited to 'resources/traffic_scripts/dhcp/send_and_check_proxy_discover.py')
-rwxr-xr-xresources/traffic_scripts/dhcp/send_and_check_proxy_discover.py79
1 files changed, 0 insertions, 79 deletions
diff --git a/resources/traffic_scripts/dhcp/send_and_check_proxy_discover.py b/resources/traffic_scripts/dhcp/send_and_check_proxy_discover.py
deleted file mode 100755
index d8089713fd..0000000000
--- a/resources/traffic_scripts/dhcp/send_and_check_proxy_discover.py
+++ /dev/null
@@ -1,79 +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 DHCP DISCOVER packet
- and check if is received on interface."""
-
-import sys
-
-from scapy.all import Ether
-from scapy.layers.inet import IP, UDP
-from scapy.layers.inet import UDP_SERVICES
-from scapy.layers.dhcp import DHCP, BOOTP
-
-from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
-from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
-
-
-def is_discover(pkt):
- """If DHCP message type option is set to dhcp discover return True,
- else return False. False is returned also if exception occurs."""
- dhcp_discover = 1
- try:
- dhcp_options = pkt['BOOTP']['DHCP options'].options
- message_type = filter(lambda x: x[0] == 'message-type',
- dhcp_options)
- message_type = message_type[0][1]
- return message_type == dhcp_discover
- except:
- return False
-
-
-def main():
- """Send DHCP DISCOVER packet."""
-
- args = TrafficScriptArg(['tx_src_ip', 'tx_dst_ip'])
-
- tx_if = args.get_arg('tx_if')
- rx_if = args.get_arg('rx_if')
-
- rxq = RxQueue(rx_if)
- txq = TxQueue(tx_if)
-
- tx_src_ip = args.get_arg('tx_src_ip')
- tx_dst_ip = args.get_arg('tx_dst_ip')
-
- sent_packets = []
-
- dhcp_discover = Ether(dst="ff:ff:ff:ff:ff:ff") / \
- IP(src=tx_src_ip, dst=tx_dst_ip) / \
- UDP(sport=UDP_SERVICES.bootpc, dport=UDP_SERVICES.bootps) / \
- BOOTP(op=1,) / \
- DHCP(options=[("message-type", "discover"),
- "end"])
-
- sent_packets.append(dhcp_discover)
- txq.send(dhcp_discover)
-
- for _ in range(10):
- dhcp_discover = rxq.recv(2)
- if is_discover(dhcp_discover):
- break
- else:
- raise RuntimeError("DHCP DISCOVER Rx timeout")
-
- sys.exit(0)
-
-if __name__ == "__main__":
- main()