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

6 files changed, 381 insertions, 0 deletions

diff --git a/src/common/Asio/AsioHacksFwd.h b/src/common/Asio/AsioHacksFwd.h
new file mode 100644
index 00000000000..457f53f39b1
--- /dev/null
+++ b/src/common/Asio/AsioHacksFwd.h
@@ -0,0 +1,94 @@
+/*
+ * 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 AsioHacksFwd_h__
+#define AsioHacksFwd_h__
+
+#include <boost/version.hpp>
+
+/**
+  Collection of forward declarations to improve compile time
+ */
+namespace boost
+{
+    namespace posix_time
+    {
+        class ptime;
+    }
+
+    namespace asio
+    {
+        template <typename Time>
+        struct time_traits;
+
+        namespace ip
+        {
+            class address;
+
+            class tcp;
+
+            template <typename InternetProtocol>
+            class basic_endpoint;
+
+            typedef basic_endpoint<tcp> tcp_endpoint;
+        }
+
+#if BOOST_VERSION >= 106600
+        template <typename Time, typename TimeTraits>
+        class basic_deadline_timer;
+
+        typedef basic_deadline_timer<posix_time::ptime, time_traits<posix_time::ptime>> deadline_timer;
+
+        namespace ip
+        {
+            template <typename InternetProtocol>
+            class basic_resolver;
+
+            typedef basic_resolver<tcp> tcp_resolver;
+    }
+#else
+        template <typename TimeType, typename TimeTraits>
+        class deadline_timer_service;
+
+        template <typename Time, typename TimeTraits, typename TimerService>
+        class basic_deadline_timer;
+
+        typedef basic_deadline_timer<posix_time::ptime, time_traits<posix_time::ptime>, deadline_timer_service<posix_time::ptime, time_traits<posix_time::ptime>>> deadline_timer;
+
+        namespace ip
+        {
+            template <typename InternetProtocol>
+            class resolver_service;
+
+            template <typename InternetProtocol, typename ResolverService>
+            class basic_resolver;
+
+            typedef basic_resolver<tcp, resolver_service<tcp>> tcp_resolver;
+        }
+#endif
+    }
+}
+
+namespace Trinity
+{
+    namespace Asio
+    {
+        class Strand;
+    }
+}
+
+#endif // AsioHacksFwd_h__
diff --git a/src/common/Asio/IoContext.h b/src/common/Asio/IoContext.h
new file mode 100644
index 00000000000..50411b76957
--- /dev/null
+++ b/src/common/Asio/IoContext.h
@@ -0,0 +1,65 @@
+/*
+ * 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 IoContext_h__
+#define IoContext_h__
+
+#include <boost/version.hpp>
+
+#if BOOST_VERSION >= 106600
+#include <boost/asio/io_context.hpp>
+#include <boost/asio/post.hpp>
+#define IoContextBaseNamespace boost::asio
+#define IoContextBase io_context
+#else
+#include <boost/asio/io_service.hpp>
+#define IoContextBaseNamespace boost::asio
+#define IoContextBase io_service
+#endif
+
+namespace Trinity
+{
+    namespace Asio
+    {
+        class IoContext : public IoContextBaseNamespace::IoContextBase
+        {
+            using IoContextBaseNamespace::IoContextBase::IoContextBase;
+        };
+
+        template<typename T>
+        inline decltype(auto) post(IoContextBaseNamespace::IoContextBase& ioContext, T&& t)
+        {
+#if BOOST_VERSION >= 106600
+            return boost::asio::post(ioContext, std::forward<T>(t));
+#else
+            return ioContext.post(std::forward<T>(t));
+#endif
+        }
+
+        template<typename T>
+        inline decltype(auto) get_io_context(T&& ioObject)
+        {
+#if BOOST_VERSION >= 106600
+            return ioObject.get_executor().context();
+#else
+            return ioObject.get_io_service();
+#endif
+        }
+    }
+}
+
+#endif // IoContext_h__
diff --git a/src/common/Asio/IpAddress.h b/src/common/Asio/IpAddress.h
new file mode 100644
index 00000000000..a4994012036
--- /dev/null
+++ b/src/common/Asio/IpAddress.h
@@ -0,0 +1,46 @@
+/*
+ * 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 IpAddress_h__
+#define IpAddress_h__
+
+#include "Define.h"
+#include <boost/asio/ip/address.hpp>
+
+namespace Trinity
+{
+    namespace Net
+    {
+#if BOOST_VERSION >= 106600
+        using boost::asio::ip::make_address;
+        using boost::asio::ip::make_address_v4;
+        inline uint32 address_to_uint(boost::asio::ip::address_v4 const& address) { return address.to_uint(); }
+#else
+        inline boost::asio::ip::address make_address(char const* str) { return boost::asio::ip::address::from_string(str); }
+        inline boost::asio::ip::address make_address(char const* str, boost::system::error_code& ec) { return boost::asio::ip::address::from_string(str, ec); }
+        inline boost::asio::ip::address make_address(std::string const& str) { return boost::asio::ip::address::from_string(str); }
+        inline boost::asio::ip::address make_address(std::string const& str, boost::system::error_code& ec) { return boost::asio::ip::address::from_string(str, ec); }
+        inline boost::asio::ip::address_v4 make_address_v4(char const* str) { return boost::asio::ip::address_v4::from_string(str); }
+        inline boost::asio::ip::address_v4 make_address_v4(char const* str, boost::system::error_code& ec) { return boost::asio::ip::address_v4::from_string(str, ec); }
+        inline boost::asio::ip::address_v4 make_address_v4(std::string const& str) { return boost::asio::ip::address_v4::from_string(str); }
+        inline boost::asio::ip::address_v4 make_address_v4(std::string const& str, boost::system::error_code& ec) { return boost::asio::ip::address_v4::from_string(str, ec); }
+        inline uint32 address_to_uint(boost::asio::ip::address_v4 const& address) { return address.to_ulong(); }
+#endif
+    }
+}
+
+#endif // IpAddress_h__
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__
diff --git a/src/common/Asio/Resolver.h b/src/common/Asio/Resolver.h
new file mode 100644
index 00000000000..5106421ee5e
--- /dev/null
+++ b/src/common/Asio/Resolver.h
@@ -0,0 +1,52 @@
+/*
+ * 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__
diff --git a/src/common/Asio/Strand.h b/src/common/Asio/Strand.h
new file mode 100644
index 00000000000..2b69c02f7bd
--- /dev/null
+++ b/src/common/Asio/Strand.h
@@ -0,0 +1,53 @@
+/*
+ * 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 Strand_h__
+#define Strand_h__
+
+#include "IoContext.h"
+#include <boost/asio/strand.hpp>
+
+#if BOOST_VERSION >= 106600
+#include <boost/asio/bind_executor.hpp>
+#endif
+
+namespace Trinity
+{
+    namespace Asio
+    {
+        /**
+          Hack to make it possible to forward declare strand (which is a inner class)
+        */
+        class Strand : public IoContextBaseNamespace::IoContextBase::strand
+        {
+        public:
+            Strand(IoContext& ioContext) : IoContextBaseNamespace::IoContextBase::strand(ioContext) { }
+        };
+
+#if BOOST_VERSION >= 106600
+        using boost::asio::bind_executor;
+#else
+        template<typename T>
+        inline decltype(auto) bind_executor(Strand& strand, T&& t)
+        {
+            return strand.wrap(std::forward<T>(t));
+        }
+#endif
+    }
+}
+
+#endif // Strand_h__