Core/Misc: Added compatibility layer for boost 1.66 and future std:: networking stuff

* Based on work done by @dimiandre in PR #21173

Closes #21171
Closes #21173

1 files changed, 3 insertions, 6 deletions

diff --git a/src/server/shared/Realm/Realm.cpp b/src/server/shared/Realm/Realm.cpp
index 7b98f51bf35..6f9d216bcd4 100644
--- a/src/server/shared/Realm/Realm.cpp
+++ b/src/server/shared/Realm/Realm.cpp
@@ -16,8 +16,9 @@
  */
 
 #include "Realm.h"
+#include "IpAddress.h"
+#include "IpNetwork.h"
 #include "StringFormat.h"
-#include <boost/asio/ip/address.hpp>
 #include <algorithm>
 #include <cctype>
 
@@ -47,12 +48,8 @@ boost::asio::ip::address Realm::GetAddressForClient(boost::asio::ip::address con
     }
     else
     {
-        if (clientAddr.is_v4() &&
-            (clientAddr.to_v4().to_ulong() & LocalSubnetMask->to_v4().to_ulong()) ==
-            (LocalAddress->to_v4().to_ulong() & LocalSubnetMask->to_v4().to_ulong()))
-        {
+        if (clientAddr.is_v4() && Trinity::Net::IsInNetwork(LocalAddress->to_v4(), LocalSubnetMask->to_v4(), clientAddr.to_v4()))
             realmIp = *LocalAddress;
-        }
         else
             realmIp = *ExternalAddress;
     }