New version of RF tests.

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

diff --git a/resources/traffic_scripts/send_ip_icmp.py b/resources/traffic_scripts/send_ip_icmp.py
new file mode 100755 (executable)
index 0000000..fd15376
--- /dev/null
+++ b/resources/traffic_scripts/send_ip_icmp.py
@@ -0,0 +1,71 @@
+#!/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
+from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
+from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
+from scapy.layers.inet import ICMP, IP
+from scapy.all import Ether
+
+
+def main():
+    """ Send IP icmp packet from one traffic generator interface to the other"""
+    args = TrafficScriptArg(['src_mac', 'dst_mac', 'src_ip', 'dst_ip'])
+
+    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')
+
+    rxq = RxQueue(rx_if)
+    txq = TxQueue(tx_if)
+
+    sent_packets = []
+
+    # Create empty ip ICMP packet and add padding before sending
+    pkt_raw = Ether(src=src_mac, dst=dst_mac) / \
+                    IP(src=src_ip, dst=dst_ip) / \
+                    ICMP()
+
+    # Send created packet on one interface and receive on the other
+    sent_packets.append(pkt_raw)
+    txq.send(pkt_raw)
+
+    ether = rxq.recv(1)
+
+    # Check whether received packet contains layers Ether, IP and ICMP
+    if ether is None:
+        rxq._proc.terminate()
+        raise RuntimeError('ICMPv6 echo reply Rx timeout')
+
+    if not ether.haslayer(IP):
+        rxq._proc.terminate()
+        raise RuntimeError(
+            'Not an IP packet received {0}'.format(ether.__repr__()))
+
+    if not ether.haslayer(ICMP):
+        rxq._proc.terminate()
+        raise RuntimeError(
+            'Not an ICMP packet received {0}'.format(ether.__repr__()))
+
+    rxq._proc.terminate()
+    sys.exit(0)
+
+if __name__ == "__main__":
+    main()