Adds all variables to the 'Variables' name space

src/variables/duration.cc

@@ -0,0 +1,49 @@
+/**
+ * ModSecurity, http://www.modsecurity.org/
+ * Copyright (c) 2015 Trustwave Holdings, Inc. (http://www.trustwave.com/)
+ *
+ * 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
+ *
+ * If any of the files related to licensing are missing or if you have any
+ * other questions related to licensing please contact Trustwave Holdings, Inc.
+ * directly using the email address security@modsecurity.org.
+ *
+ */
+
+#include "variables/duration.h"
+
+#include <iostream>
+#include <string>
+#include <vector>
+#include <list>
+#include <chrono>
+#include <utility>
+
+#include "modsecurity/assay.h"
+
+namespace ModSecurity {
+namespace Variables {
+
+std::list<std::pair<std::string, std::string>>
+    Duration::evaluate(Assay *assay) {
+    std::list<std::pair<std::string, std::string>> resl;
+    std::string res;
+    std::pair<std::string, std::string> pair;
+
+    auto e = std::chrono::high_resolution_clock::now() - assay->start;
+
+    res = std::to_string(
+        std::chrono::duration_cast<std::chrono::microseconds>(e).count());
+
+    pair = std::make_pair(std::string("DURATION"), std::string(res));
+    resl.push_back(pair);
+
+    return resl;
+}
+
+
+}  // namespace Variables
+}  // namespace ModSecurity