1 files changed, 13 insertions, 0 deletions
diff --git a/include/sibs/IpAddress.hpp b/include/sibs/IpAddress.hpp
index c3b43c4..4403e83 100644
--- a/include/sibs/IpAddress.hpp
+++ b/include/sibs/IpAddress.hpp
@@ -2,6 +2,7 @@
 
 #include <stdexcept>
 #include <string>
+#include <unordered_map>
 #ifndef WIN32
    #include <arpa/inet.h>
    #include <netdb.h>
@@ -32,7 +33,19 @@ namespace sibs
         unsigned short getPort() const;
 
         bool operator == (const Ipv4 &other) const;
+        bool operator != (const Ipv4 &other) const;
         
         struct sockaddr_in address;
     };
+
+    struct Ipv4Hasher
+    {
+        size_t operator()(const Ipv4 &address) const
+        {
+            return address.address.sin_addr.s_addr ^ address.address.sin_port;
+        }
+    };
+    
+    template <typename ValueType>
+    using Ipv4Map = std::unordered_map<Ipv4, ValueType, Ipv4Hasher>;
 }