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/tools/flow_extract/csvfilereader.cpp b/VNFs/DPPD-PROX/tools/flow_extract/csvfilereader.cpp
new file mode 100644
index 00000000..909fc94d
--- /dev/null
+++ b/VNFs/DPPD-PROX/tools/flow_extract/csvfilereader.cpp
@@ -0,0 +1,67 @@
+/*
+// 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.
+*/
+
+#include <iostream>
+#include <cstdlib>
+#include <cstring>
+#include <stdint.h>
+
+#include "csvfilereader.hpp"
+
+int CsvFileReader::open(const string& str)
+{
+	char *resolved_path = new char[1024];
+
+	memset(resolved_path, 0, 1024);
+	realpath(str.c_str(), resolved_path);
+	file.open(resolved_path);
+
+	delete []resolved_path;
+	return file.is_open();
+}
+
+vector<string> CsvFileReader::read()
+{
+	vector<string> ret;
+	size_t prev = 0, cur = 0;
+	string line;
+
+	if (file.eof())
+		return vector<string>();
+
+   	std::getline(file, line);
+	if (line.empty())
+		return vector<string>();
+
+	while (true) {
+		cur = line.find_first_of(',', prev);
+
+		if (cur != SIZE_MAX) {
+			ret.push_back(line.substr(prev, cur - prev));
+			prev = cur + 1;
+		}
+		else {
+			ret.push_back(line.substr(prev, line.size() - prev));
+			break;
+		}
+	}
+	return ret;
+}
+
+void CsvFileReader::close()
+{
+	file.close();
+}