Adding PROX(Packet pROcessing eXecution engine) VNF to sampleVNF

JIRA: SAMPLEVNF-55

PROX is a DPDK-based application implementing Telco use-cases such as
a simplified BRAS/BNG, light-weight AFTR... It also allows configuring
finer grained network functions like QoS, Routing, load-balancing...

(We are moving PROX version v039 to sampleVNF
https://01.org/intel-data-plane-performance-demonstrators/prox-overview)

Change-Id: Ia3cb02cf0e49ac5596e922c197ff7e010293d033
Signed-off-by: Deepak S <deepak.s@linux.intel.com>

1 files changed, 67 insertions, 0 deletions

diff --git a/VNFs/DPPD-PROX/helper-scripts/dpi/progress.py b/VNFs/DPPD-PROX/helper-scripts/dpi/progress.py
new file mode 100644
index 00000000..5e44c678
--- /dev/null
+++ b/VNFs/DPPD-PROX/helper-scripts/dpi/progress.py
@@ -0,0 +1,67 @@
+#!/bin/env python
+
+##
+## Copyright (c) 2010-2017 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.
+##
+
+from decimal import *
+from time import time
+
+class Progress:
+    def __init__(self, limit, fieldNames = [], overallETA = True):
+        self._fieldNames = fieldNames;
+        self._limit = limit;
+        self._progress = 0;
+        self._prevProgress = 0;
+        self._prevTime = 0;
+        self._progressSetCount = 0;
+        self._time = 0;
+        self._overallETA = overallETA;
+
+    def setProgress(self, progress, fieldValues = []):
+        self._fieldValues = fieldValues;
+        if (self._overallETA == True):
+            self._progress = progress
+            self._time = time();
+            if (self._progressSetCount == 0):
+                self._prevProgress = self._progress;
+                self._prevTime = self._time;
+        else:
+            self._prevProgress = self._progress;
+            self._prevTime = self._time;
+            self._progress = progress;
+            self._time = time();
+        self._progressSetCount += 1
+
+    def incrProgress(self):
+        self.setProgress(self._progress + 1);
+
+    def toString(self):
+        ret = ""
+        ret += str(self._getETA()) + " seconds left"
+        for f,v in zip(self._fieldNames, self._fieldValues):
+            ret += ", %s=%s" % (str(f),str(v))
+        return ret;
+
+    def _getETA(self):
+        if (self._progressSetCount < 2):
+            return "N/A"
+        diff = self._progress - self._prevProgress;
+        t_diff = Decimal(self._time - self._prevTime);
+        if (t_diff < 0.001 or diff <= 0):
+            return "N/A"
+        rate = Decimal(diff)/t_diff
+        remaining = Decimal(self._limit - self._progress);
+        return round(remaining/rate, 2);