1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
# Copyright (c) 2016-2017 Intel Corporation
#
# 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.
""" Base class for the generic traffic profile implementation """
from __future__ import absolute_import
from yardstick.common.utils import import_modules_from_package, itersubclasses
class TrafficProfile(object):
"""
This class defines the behavior
"""
UPLINK = "uplink"
DOWNLINK = "downlink"
@staticmethod
def get(tp_config):
"""Get the traffic profile instance for the given traffic type
:param tp_config: loaded YAML file
:return:
"""
profile_class = tp_config["traffic_profile"]["traffic_type"]
import_modules_from_package(
"yardstick.network_services.traffic_profile")
try:
return next(c for c in itersubclasses(TrafficProfile)
if c.__name__ == profile_class)(tp_config)
except StopIteration:
raise RuntimeError("No implementation for %s", profile_class)
def __init__(self, tp_config):
# e.g. RFC2544 start_ip, stop_ip, drop_rate,
# IMIX = {"10K": 0.1, "100M": 0.5}
self.params = tp_config
def execute_traffic(self, traffic_generator):
""" This methods defines the behavior of the traffic generator.
It will be called in a loop until the traffic generator exits.
:param traffic_generator: TrafficGen instance
:return: None
"""
raise NotImplementedError()
class DummyProfile(TrafficProfile):
"""
This is an empty TrafficProfile implementation - if it is used,
the traffic will be completely handled by the Traffic Generator
implementation with no regard for the Traffic Profile.
"""
def execute(self, traffic_generator):
pass
|
