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-rw-r--r--VNFs/DPPD-PROX/tools/flow_extract/csvfilereader.cpp67
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();
+}