From 2d9a6ecbba3bf5ccbe06468632fc4ab2de9d569b Mon Sep 17 00:00:00 2001
From: Pavel Odintsov <pavel.odintsov@gmail.com>
Date: Sat, 14 Feb 2015 20:49:32 +0300
Subject: [PATCH] Add proof of concept for CIDR validator

---
 tests/test_cidr.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 tests/test_cidr.cpp

diff --git a/tests/test_cidr.cpp b/tests/test_cidr.cpp
new file mode 100644
index 0000000..ab7feb7
--- /dev/null
+++ b/tests/test_cidr.cpp
@@ -0,0 +1,24 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <string>
+#include <arpa/inet.h>
+#include <iostream>
+
+uint32_t convert_ip_as_string_to_uint(std::string ip) {
+    struct in_addr ip_addr;
+    inet_aton(ip.c_str(), &ip_addr);
+
+    // in network byte order
+    return ip_addr.s_addr;
+}
+
+int main() {
+    std::cout<<"network byte order"<<std::endl;
+    std::cout<<"10.10.10.200/24\tnetwork byte order:"<<convert_ip_as_string_to_uint("10.10.10.200")<<" host byte order:"<<ntohl(convert_ip_as_string_to_uint("10.10.10.200"))<<std::endl;
+    std::cout<<"10.10.10.0/24\tnetwork byte order:"  <<convert_ip_as_string_to_uint("10.10.10.0")<<" host byte order:"<<ntohl(convert_ip_as_string_to_uint("10.10.10.0"))<<std::endl;
+    
+     
+}