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, 84 insertions, 0 deletions

diff --git a/VNFs/DPPD-PROX/helper-scripts/dpi/statsconsfile.py b/VNFs/DPPD-PROX/helper-scripts/dpi/statsconsfile.py
new file mode 100644
index 00000000..a25c1232
--- /dev/null
+++ b/VNFs/DPPD-PROX/helper-scripts/dpi/statsconsfile.py
@@ -0,0 +1,84 @@
+#!/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.
+##
+
+import os
+import struct
+
+class StatsConsFile:
+    def __init__(self, file_name, tsc = None):
+        self._file = open(file_name, "rb");
+        try:
+            data = self._file.read(4*8);
+            dataUnpacked = struct.unpack("<qqqq", data);
+
+            self._hz = dataUnpacked[0]
+            if (tsc is None):
+                self._tsc = dataUnpacked[1]
+            else:
+                self._tsc = tsc;
+
+            self._entryCount = dataUnpacked[2]
+            fieldCount = dataUnpacked[3]
+
+            data = self._file.read(fieldCount);
+            fmt = "b" * fieldCount;
+
+            dataUnpacked = struct.unpack("<" + fmt, data);
+            self._entryFmt = "<";
+            self._entrySize = 0;
+
+            for e in dataUnpacked:
+                if (e == 4):
+                    self._entryFmt += "i"
+                elif (e == 8):
+                    self._entryFmt += "q"
+                else:
+                    raise Exception("Unknown field format: " + str(e))
+                self._entrySize += e
+        except:
+            print "except"
+            self._file.close();
+
+    def setBeg(self, tsc):
+        self._tsc = tsc
+
+    def getBeg(self):
+        return self._tsc;
+
+    def getHz(self):
+        return self._hz
+
+    def readNext(self):
+        ret = []
+        for i in range(self._entryCount):
+            entry = self._readNextEntry()
+            if (entry == None):
+                return None;
+            ret.append(entry);
+        return ret;
+
+    def _readNextEntry(self):
+        try:
+            entry = self._file.read(self._entrySize);
+            entryUnpacked = struct.unpack(self._entryFmt, entry);
+            return list(entryUnpacked)
+        except:
+            return None;
+
+    def close(self):
+        self._file.close();