1 files changed, 104 insertions, 0 deletions
diff --git a/yardstick/network_services/traffic_profile/prox_profile.py b/yardstick/network_services/traffic_profile/prox_profile.py
new file mode 100644
index 000000000..daeaf42ed
--- /dev/null
+++ b/yardstick/network_services/traffic_profile/prox_profile.py
@@ -0,0 +1,104 @@
+# 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.
+""" Fixed traffic profile definitions """
+
+from __future__ import absolute_import
+
+import logging
+
+from yardstick.network_services.traffic_profile.base import TrafficProfile
+
+LOG = logging.getLogger(__name__)
+
+
+class ProxProfile(TrafficProfile):
+    """
+    This profile adds a single stream at the beginning of the traffic session
+    """
+
+    @staticmethod
+    def fill_samples(samples, traffic_gen):
+        for vpci_idx, intf in enumerate(traffic_gen.vpci_if_name_ascending):
+            name = intf[1]
+            # TODO: VNFDs KPIs values needs to be mapped to TRex structure
+            xe_port = traffic_gen.resource_helper.sut.port_stats([vpci_idx])
+            samples[name] = {
+                "in_packets": xe_port[6],
+                "out_packets": xe_port[7],
+            }
+
+    def __init__(self, tp_config):
+        super(ProxProfile, self).__init__(tp_config)
+        self.queue = None
+        self.done = False
+        self.results = []
+
+        # TODO: get init values from tp_config
+        self.prox_config = tp_config["traffic_profile"]
+        self.pkt_sizes = [int(x) for x in self.prox_config.get("packet_sizes", [])]
+        self.pkt_size_iterator = iter(self.pkt_sizes)
+        self.duration = int(self.prox_config.get("duration", 5))
+        self.precision = float(self.prox_config.get('test_precision', 1.0))
+        self.tolerated_loss = float(self.prox_config.get('tolerated_loss', 0.0))
+
+        # TODO: is this ever a function of packet size?
+        self.lower_bound = float(self.prox_config.get('lower_bound', 10.0))
+        self.upper_bound = float(self.prox_config.get('upper_bound', 100.0))
+        self.step_value = float(self.prox_config.get('step_value', 10.0))
+
+    def init(self, queue):
+        self.pkt_size_iterator = iter(self.pkt_sizes)
+        self.queue = queue
+
+    def bounds_iterator(self, logger=None):
+        if logger:
+            logger.debug("Interval [%s, %s), step: %d", self.lower_bound,
+                         self.upper_bound, self.step_value)
+
+        test_value = self.lower_bound
+        while test_value <= self.upper_bound:
+            if logger:
+                logger.info("Testing with value %s", test_value)
+            yield test_value
+            test_value += self.step_value
+
+    @property
+    def min_pkt_size(self):
+        """Return the minimum required packet size for the test.
+
+        Defaults to 64. Individual test must override this method if they have
+        other requirements.
+
+        Returns:
+            int. The minimum required packet size for the test.
+        """
+        return 64
+
+    def run_test_with_pkt_size(self, traffic_generator, pkt_size, duration):
+        raise NotImplementedError
+
+    def execute(self, traffic_generator):
+        try:
+            pkt_size = next(self.pkt_size_iterator)
+        except StopIteration:
+            self.done = True
+            return
+
+        # Adjust packet size upwards if it's less than the minimum
+        # required packet size for the test.
+        if pkt_size < self.min_pkt_size:
+            pkt_size += self.min_pkt_size - 64
+
+        duration = self.duration
+        self.run_test_with_pkt_size(traffic_generator, pkt_size, duration)