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authorVratko Polak <vrpolak@cisco.com>2020-05-04 13:05:26 +0200
committerVratko Polak <vrpolak@cisco.com>2020-05-06 14:03:21 +0000
commit79f5ba9bf7656972dd988508eff9465562dde42c (patch)
treea84714e81d65bfc4f0454fa8e327d4129f58ac79 /GPL/traffic_profiles/trex/trex-sl-2n-ethip6-ip6dst1000000.py
parent16ef90a2415aa3b65341fdb6517cf58721bfff7a (diff)
Separate files needing GPL license
+ Keep apache license for now, until this is completed: https://wiki.fd.io/view/TSC/Relicensing_Procedure + Add utilities for switching license comment blocks. - They do not preserve attributes, so executable flag is lost. + Move the affected files to GPL/. + Update paths so files are executed from the new location. + Change the way scripts are started to do not require executable flag. + Employ OptionString when constructing longer command lines. + Move also PacketVerifier.py and TrafficScriptArg.py as they are linked with traffic scripts. + That means the two files are outside "resources" package tree now. + Added __init__.py files so relative imports work in new package tree. + Start traffic scripts as python modules to allow relative imports. + Once again needed because they are outside the default PYTHONPATH. Change-Id: Ieb135629e890adbaf5b79497570f3be25b746f9f Signed-off-by: Vratko Polak <vrpolak@cisco.com>
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diff --git a/GPL/traffic_profiles/trex/trex-sl-2n-ethip6-ip6dst1000000.py b/GPL/traffic_profiles/trex/trex-sl-2n-ethip6-ip6dst1000000.py
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+# Copyright (c) 2020 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.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IPv6 /
+ - Direction 0 --> 1:
+ - Source IP address range: 2001:1::1
+ - Destination IP address range: 2001:2::0 - 2001:2::F:423F
+ - Direction 1 --> 0:
+ - Source IP address range: 2001:2::1
+ - Destination IP address range: 2001:1::0 - 2001:1::F:423F
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+ """Stream profile."""
+
+ def __init__(self):
+ """Initialization and setting of streams' parameters."""
+
+ super(TrafficStreamsBaseClass, self).__init__()
+
+ # IPs used in packet headers.
+ self.p1_src_start_ip = u"2001:1::1"
+ self.p1_dst_start_ip = u"2001:2::0"
+ self.p1_dst_end_ip = u"2001:2::F:423F"
+
+ self.p2_src_start_ip = u"2001:2::1"
+ self.p2_dst_start_ip = u"2001:1::0"
+ self.p2_dst_end_ip = u"2001:1::F:423F"
+
+ def define_packets(self):
+ """Defines the packets to be sent from the traffic generator.
+
+ Packet definition: | ETH | IPv6 |
+
+ :returns: Packets to be sent from the traffic generator.
+ :rtype: tuple
+ """
+
+ base_p1, count_p1 = self._get_start_end_ipv6(
+ self.p1_dst_start_ip,
+ self.p1_dst_end_ip
+ )
+ base_p2, count_p2 = self._get_start_end_ipv6(
+ self.p2_dst_start_ip,
+ self.p2_dst_end_ip
+ )
+
+ # Direction 0 --> 1
+ base_pkt_a = (
+ Ether() /
+ IPv6(
+ src=self.p1_src_start_ip,
+ dst=self.p1_dst_start_ip
+ )
+ )
+ # Direction 1 --> 0
+ base_pkt_b = (
+ Ether() /
+ IPv6(
+ src=self.p2_src_start_ip,
+ dst=self.p2_dst_start_ip
+ )
+ )
+
+ # Direction 0 --> 1
+ vm1 = STLScVmRaw(
+ [
+ STLVmFlowVar(
+ name=u"ipv6_dst",
+ min_value=base_p1,
+ max_value=base_p1 + count_p1,
+ size=8,
+ op=u"inc"
+ ),
+ STLVmWrFlowVar(
+ fv_name=u"ipv6_dst",
+ pkt_offset=u"IPv6.dst",
+ offset_fixup=8
+ )
+ ]
+ )
+ # Direction 1 --> 0
+ vm2 = STLScVmRaw(
+ [
+ STLVmFlowVar(
+ name=u"ipv6_dst",
+ min_value=base_p2,
+ max_value=base_p2 + count_p2,
+ size=8,
+ op=u"inc"
+ ),
+ STLVmWrFlowVar(
+ fv_name=u"ipv6_dst",
+ pkt_offset=u"IPv6.dst",
+ offset_fixup=8
+ )
+ ]
+ )
+
+ return base_pkt_a, base_pkt_b, vm1, vm2
+
+
+def register():
+ """Register this traffic profile to T-rex.
+
+ Do not change this function.
+
+ :return: Traffic streams.
+ :rtype: Object
+ """
+ return TrafficStreams()