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

(cherry picked from commit dfd2660a85e4f0891c63009ee8425b2796586409)

1 files changed, 71 insertions, 0 deletions

diff --git a/src/common/Asio/IpNetwork.h b/src/common/Asio/IpNetwork.h
new file mode 100644
index 00000000000..bdd3c1dc683
--- /dev/null
+++ b/src/common/Asio/IpNetwork.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2008-2018 TrinityCore <https://www.trinitycore.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef IpNetwork_h__
+#define IpNetwork_h__
+
+#include "Define.h"
+#include "IpAddress.h"
+#include <boost/version.hpp>
+#if BOOST_VERSION >= 106600
+#include <boost/asio/ip/network_v4.hpp>
+#include <boost/asio/ip/network_v6.hpp>
+#endif
+
+namespace Trinity
+{
+    namespace Net
+    {
+        inline bool IsInNetwork(boost::asio::ip::address_v4 const& networkAddress, boost::asio::ip::address_v4 const& mask, boost::asio::ip::address_v4 const& clientAddress)
+        {
+#if BOOST_VERSION >= 106600
+            boost::asio::ip::network_v4 network = boost::asio::ip::make_network_v4(networkAddress, mask);
+            boost::asio::ip::address_v4_range hosts = network.hosts();
+            return hosts.find(clientAddress) != hosts.end();
+#else
+            return (clientAddress.to_ulong() & mask.to_ulong()) == (networkAddress.to_ulong() & mask.to_ulong());
+#endif
+        }
+
+        inline boost::asio::ip::address_v4 GetDefaultNetmaskV4(boost::asio::ip::address_v4 const& networkAddress)
+        {
+            if ((address_to_uint(networkAddress) & 0x80000000) == 0)
+                return boost::asio::ip::address_v4(0xFF000000);
+            if ((address_to_uint(networkAddress) & 0xC0000000) == 0x80000000)
+                return boost::asio::ip::address_v4(0xFFFF0000);
+            if ((address_to_uint(networkAddress) & 0xE0000000) == 0xC0000000)
+                return boost::asio::ip::address_v4(0xFFFFFF00);
+            return boost::asio::ip::address_v4(0xFFFFFFFF);
+        }
+
+        inline bool IsInNetwork(boost::asio::ip::address_v6 const& networkAddress, uint16 prefixLength, boost::asio::ip::address_v6 const& clientAddress)
+        {
+#if BOOST_VERSION >= 106600
+            boost::asio::ip::network_v6 network = boost::asio::ip::make_network_v6(networkAddress, prefixLength);
+            boost::asio::ip::address_v6_range hosts = network.hosts();
+            return hosts.find(clientAddress) != hosts.end();
+#else
+            (void)networkAddress;
+            (void)prefixLength;
+            (void)clientAddress;
+            return false;
+#endif
+        }
+    }
+}
+
+#endif // IpNetwork_h__