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, 61 insertions, 0 deletions

diff --git a/VNFs/DPPD-PROX/helper-scripts/dpi/sutstatsconsfile.py b/VNFs/DPPD-PROX/helper-scripts/dpi/sutstatsconsfile.py
new file mode 100644
index 00000000..82bca9a8
--- /dev/null
+++ b/VNFs/DPPD-PROX/helper-scripts/dpi/sutstatsconsfile.py
@@ -0,0 +1,61 @@
+#!/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 statsconsfile import *
+from decimal import *
+
+class SutStatsConsFile:
+    def __init__(self, fileName, offset):
+        self.offset = offset;
+        self.statsConsFile = StatsConsFile(fileName)
+
+    def readNext(self):
+        entry = self._readNextEntry();
+
+        if (entry is None):
+            return None;
+
+        while (entry is not None and entry[-1] <= 0):
+            entry = self._readNextEntry();
+        return entry;
+
+    def getHz(self):
+        return self.statsConsFile.getHz();
+
+    def _readNextEntry(self):
+        entry = self.statsConsFile.readNext();
+        if (entry is None):
+            return None;
+
+        rx = 0;
+        tx = 0;
+        drop = 0;
+        last_tsc = 0;
+
+        for i in range(0, len(entry), 2):
+            rx += entry[i][2]
+            tx += entry[i][3]
+            drop += entry[i][4]
+            last_tsc = entry[i][5]
+
+        last_tsc -= self.offset;
+        last_tsc = Decimal(last_tsc) / self.statsConsFile.getHz();
+        return [rx, tx, drop, last_tsc];
+
+    def close(self):
+        self.statsConsFile.close();