1 files changed, 61 insertions, 0 deletions
diff --git a/src/plugins/sys_util.cpp b/src/plugins/sys_util.cpp
new file mode 100644
index 0000000..f011825
--- /dev/null
+++ b/src/plugins/sys_util.cpp
@@ -0,0 +1,61 @@
+#include "sys_util.h"
+
+namespace utils {
+
+prefix::prefix()
+{
+}
+
+prefix::prefix(const prefix &p)
+{
+    m_address = p.address();
+    m_prefix_len = p.prefix_length();
+}
+
+prefix::prefix(std::string p)
+{
+    size_t found = p.find_last_of('/');
+
+    if (found == std::string::npos) //not found
+        throw std::runtime_error("missing '/' in " + p);
+
+    m_address = boost::asio::ip::address::from_string(p.substr(0, found));
+    m_prefix_len =  std::stoi(p.substr(found+1, p.length()));
+}
+
+prefix prefix::make_prefix(std::string str)
+{
+    prefix tmp(str);
+    return prefix(tmp);
+}
+
+unsigned short prefix::prefix_length() const
+{
+    return m_prefix_len;
+}
+
+boost::asio::ip::address prefix::address() const
+{
+    return m_address;
+}
+
+std::string prefix::to_string() const
+{
+    ostringstream os;
+    os << m_address << "/" << m_prefix_len;
+    return os.str();
+}
+
+std::ostream& operator<<(std::ostream& os, const prefix& p)
+{
+    os << p.to_string();
+
+    return os;
+}
+
+bool prefix::empty() const
+{
+    return to_string().empty();
+}
+
+}