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authorStefan Kobza <skobza@cisco.com>2016-01-11 18:03:25 +0100
committerStefan Kobza <skobza@cisco.com>2016-02-08 22:38:32 +0100
commit33499c81c94c2d3baef9d3e9f061cd76ef86fa74 (patch)
tree2d000ba17b821339a05e0c039f71e48e09553de9 /resources/libraries/python/TrafficGenerator.py
parent5cbeca02602061d32212e14f289d65cf648920e4 (diff)
New version of RF tests.
Change-Id: I241a2b7a7706e65f71cfd4a62e2a40f053fc5d07 Signed-off-by: Stefan Kobza <skobza@cisco.com>
Diffstat (limited to 'resources/libraries/python/TrafficGenerator.py')
-rw-r--r--resources/libraries/python/TrafficGenerator.py57
1 files changed, 57 insertions, 0 deletions
diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py
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+++ b/resources/libraries/python/TrafficGenerator.py
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+# 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.
+from ssh import SSH
+from robot.api import logger
+
+__all__ = ['TrafficGenerator']
+
+class TrafficGenerator(object):
+
+ def __init__(self):
+ self._result = None
+ self._loss = None
+ self._sent = None
+ self._received = None
+
+
+ def send_traffic_on(self, node, tx_port, rx_port, duration, rate,
+ framesize):
+ ssh = SSH()
+ ssh.connect(node)
+
+ (ret, stdout, stderr) = ssh.exec_command(
+ "sh -c 'cd MoonGen && sudo -S build/MoonGen "
+ "rfc2544/benchmarks/vpp-frameloss.lua --txport 0 --rxport 1 "
+ "--duration {0} --rate {1} --framesize {2}'".format(
+ duration, rate, framesize),
+ timeout=int(duration)+60)
+
+ logger.trace(ret)
+ logger.trace(stdout)
+ logger.trace(stderr)
+
+ for line in stdout.splitlines():
+ pass
+
+ self._result = line
+ logger.info('TrafficGen result: {0}'.format(self._result))
+
+ self._loss = self._result.split(', ')[3].split('=')[1]
+
+ return self._result
+
+ def no_traffic_loss_occured(self):
+ if self._loss is None:
+ raise Exception('The traffic generation has not been issued')
+ if self._loss != '0':
+ raise Exception('Traffic loss occured: {0}'.format(self._loss))