Merge "Add send socket commands function"
[yardstick.git] / yardstick / network_services / vnf_generic / vnf / tg_rfc2544_ixia.py
index deb0a80..875ae93 100644 (file)
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import time
-import os
 import logging
-import sys
 
-from yardstick.common import exceptions
+from yardstick.common import utils
+from yardstick.network_services.libs.ixia_libs.ixnet import ixnet_api
 from yardstick.network_services.vnf_generic.vnf.sample_vnf import SampleVNFTrafficGen
 from yardstick.network_services.vnf_generic.vnf.sample_vnf import ClientResourceHelper
 from yardstick.network_services.vnf_generic.vnf.sample_vnf import Rfc2544ResourceHelper
@@ -27,14 +25,6 @@ LOG = logging.getLogger(__name__)
 
 WAIT_AFTER_CFG_LOAD = 10
 WAIT_FOR_TRAFFIC = 30
-IXIA_LIB = os.path.dirname(os.path.realpath(__file__))
-IXNET_LIB = os.path.join(IXIA_LIB, "../../libs/ixia_libs/IxNet")
-sys.path.append(IXNET_LIB)
-
-try:
-    from IxNet import IxNextgen
-except ImportError:
-    IxNextgen = exceptions.ErrorClass
 
 
 class IxiaRfc2544Helper(Rfc2544ResourceHelper):
@@ -51,7 +41,7 @@ class IxiaResourceHelper(ClientResourceHelper):
         super(IxiaResourceHelper, self).__init__(setup_helper)
         self.scenario_helper = setup_helper.scenario_helper
 
-        self.client = IxNextgen()
+        self.client = ixnet_api.IxNextgen()
 
         if rfc_helper_type is None:
             rfc_helper_type = IxiaRfc2544Helper
@@ -69,10 +59,8 @@ class IxiaResourceHelper(ClientResourceHelper):
 
     def stop_collect(self):
         self._terminated.value = 1
-        if self.client:
-            self.client.ix_stop_traffic()
 
-    def generate_samples(self, ports, key=None, default=None):
+    def generate_samples(self, ports, key=None):
         stats = self.get_stats()
 
         samples = {}
@@ -114,7 +102,7 @@ class IxiaResourceHelper(ClientResourceHelper):
         self.client.assign_ports()
         self.client.create_traffic_model()
 
-    def run_traffic(self, traffic_profile):
+    def run_traffic(self, traffic_profile, *args):
         if self._terminated.value:
             return
 
@@ -135,43 +123,28 @@ class IxiaResourceHelper(ClientResourceHelper):
             mac["src_mac_{}".format(port_num)] = virt_intf.get("local_mac", default)
             mac["dst_mac_{}".format(port_num)] = virt_intf.get("dst_mac", default)
 
-        samples = {}
-        # Generate ixia traffic config...
         try:
             while not self._terminated.value:
-                traffic_profile.execute_traffic(self, self.client, mac)
+                first_run = traffic_profile.execute_traffic(
+                    self, self.client, mac)
                 self.client_started.value = 1
-                time.sleep(WAIT_FOR_TRAFFIC)
-                self.client.ix_stop_traffic()
+                # pylint: disable=unnecessary-lambda
+                utils.wait_until_true(lambda: self.client.is_traffic_stopped())
                 samples = self.generate_samples(traffic_profile.ports)
+
+                # NOTE(ralonsoh): the traffic injection duration is fixed to 30
+                # seconds. This parameter is configurable and must be retrieved
+                # from the traffic_profile.full_profile information.
+                # Every flow must have the same duration.
+                completed, samples = traffic_profile.get_drop_percentage(
+                    samples, min_tol, max_tol, first_run=first_run)
                 self._queue.put(samples)
-                status, samples = traffic_profile.get_drop_percentage(samples, min_tol,
-                                                                      max_tol, self.client, mac)
 
-                current = samples['CurrentDropPercentage']
-                if min_tol <= current <= max_tol or status == 'Completed':
+                if completed:
                     self._terminated.value = 1
 
-            self.client.ix_stop_traffic()
-            self._queue.put(samples)
-
-            if not self.rfc_helper.is_done():
-                self._terminated.value = 1
-                return
-
-            traffic_profile.execute_traffic(self, self.client, mac)
-            for _ in range(5):
-                time.sleep(self.LATENCY_TIME_SLEEP)
-                self.client.ix_stop_traffic()
-                samples = self.generate_samples(traffic_profile.ports, 'latency', {})
-                self._queue.put(samples)
-                traffic_profile.start_ixia_latency(self, self.client, mac)
-                if self._terminated.value:
-                    break
-
-            self.client.ix_stop_traffic()
         except Exception:  # pylint: disable=broad-except
-            LOG.exception("Run Traffic terminated")
+            LOG.exception('Run Traffic terminated')
 
         self._terminated.value = 1