1 files changed, 52 insertions, 0 deletions
diff --git a/src/common/Asio/Resolver.h b/src/common/Asio/Resolver.h
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+++ b/src/common/Asio/Resolver.h
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+/*
+ * 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 Resolver_h__
+#define Resolver_h__
+
+#include "Optional.h"
+#include <boost/asio/ip/tcp.hpp>
+#include <string>
+
+namespace Trinity
+{
+    namespace Net
+    {
+        inline Optional<boost::asio::ip::tcp::endpoint> Resolve(boost::asio::ip::tcp::resolver& resolver, boost::asio::ip::tcp const& protocol,
+            std::string const& host, std::string const& service)
+        {
+            boost::system::error_code ec;
+#if BOOST_VERSION >= 106600
+            boost::asio::ip::tcp::resolver::results_type results = resolver.resolve(protocol, host, service, ec);
+            if (results.empty() || ec)
+                return {};
+
+            return results.begin()->endpoint();
+#else
+            boost::asio::ip::tcp::resolver::query query(std::move(protocol), std::move(host), std::move(service));
+            boost::asio::ip::tcp::resolver::iterator itr = resolver.resolve(query, ec);
+            boost::asio::ip::tcp::resolver::iterator end;
+            if (itr == end || ec)
+                return {};
+
+            return itr->endpoint();
+#endif
+        }
+    }
+}
+
+#endif // Resolver_h__