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authorahothan <ahothan@cisco.com>2017-07-28 17:08:46 -0700
committerahothan <ahothan@cisco.com>2017-07-31 12:34:00 -0700
commit04a7de082bd221eae3c7004f4e0b99dfa4f8be91 (patch)
treec9fb7beaedc80479772ba24c3b47c85d49c22f76 /nfvbench/traffic_gen/traffic_base.py
parentb8f02ed4e72399840a93aceb02b8c53831bbe68a (diff)
Initial code drop from Cisco1.0.0
Change-Id: Ie2993886dc8e95c5f73ccdb871add8b96ffcc849 Signed-off-by: ahothan <ahothan@cisco.com>
Diffstat (limited to 'nfvbench/traffic_gen/traffic_base.py')
-rw-r--r--nfvbench/traffic_gen/traffic_base.py89
1 files changed, 89 insertions, 0 deletions
diff --git a/nfvbench/traffic_gen/traffic_base.py b/nfvbench/traffic_gen/traffic_base.py
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+++ b/nfvbench/traffic_gen/traffic_base.py
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+# Copyright 2016 Cisco Systems, Inc. All rights reserved.
+#
+# 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.
+
+import abc
+
+class TrafficGeneratorException(Exception):
+ pass
+
+
+class AbstractTrafficGenerator(object):
+
+ # src_mac (6) + dst_mac (6) + mac_type (2) + frame_check (4) = 18
+ l2_header_size = 18
+
+ imix_l2_sizes = [64, 594, 1518]
+ imix_l3_sizes = [size - l2_header_size for size in imix_l2_sizes]
+ imix_ratios = [7, 4, 1]
+ imix_avg_l2_size = sum(map(
+ lambda imix: 1.0 * imix[0] * imix[1],
+ zip(imix_l2_sizes, imix_ratios))) / sum(imix_ratios)
+
+ def __init__(self, config):
+ self.config = config
+
+ @abc.abstractmethod
+ def get_version():
+ # Must be implemented by sub classes
+ return None
+
+ @abc.abstractmethod
+ def init():
+ # Must be implemented by sub classes
+ return None
+
+ @abc.abstractmethod
+ def connect():
+ # Must be implemented by sub classes
+ return None
+
+ @abc.abstractmethod
+ def config_interface():
+ # Must be implemented by sub classes
+ return None
+
+ @abc.abstractmethod
+ def create_traffic():
+ # Must be implemented by sub classes
+ return None
+
+ @abc.abstractmethod
+ def modify_traffic():
+ # Must be implemented by sub classes
+ return None
+
+ @abc.abstractmethod
+ def get_stats():
+ # Must be implemented by sub classes
+ return None
+
+ @abc.abstractmethod
+ def clear_traffic():
+ # Must be implemented by sub classes
+ return None
+
+ @abc.abstractmethod
+ def start_traffic():
+ # Must be implemented by sub classes
+ return None
+
+ @abc.abstractmethod
+ def stop_traffic():
+ # Must be implemented by sub classes
+ return None
+
+ @abc.abstractmethod
+ def cleanup():
+ # Must be implemented by sub classes
+ return None