mirror of
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106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
/*
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* Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PacketManager_h__
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#define PacketManager_h__
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#include "Packets.h"
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#include <map>
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#include <type_traits>
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template<typename T>
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struct has_call_handler
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{
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template<typename U, void(U::*)(Battlenet::Session*)> struct test_has_call_handler { };
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template<typename U> static char Test(test_has_call_handler<U, &U::CallHandler>*);
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template<typename U> static int Test(...);
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static const bool value = sizeof(Test<T>(nullptr)) == sizeof(char);
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};
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namespace Battlenet
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{
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class PacketManager
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{
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typedef ClientPacket*(*PacketCreateFn)(PacketHeader const& header, BitStream& stream);
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struct PacketInfo
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{
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PacketCreateFn Constructor;
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char const* Name;
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bool HasHandler;
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};
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PacketManager();
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void RegisterAuthenticationPackets();
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void RegisterConnectionPackets();
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void RegisterWoWRealmPackets();
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void RegisterFriendsPackets();
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void RegisterPresencePackets();
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void RegisterChatPackets();
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void RegisterSupportPackets();
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void RegisterAchievementPackets();
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void RegisterCachePackets();
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void RegisterProfilePackets();
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template<class PacketType>
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static ClientPacket* New(PacketHeader const& header, BitStream& stream)
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{
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return new PacketType(header, stream);
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}
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void RegisterPacketName(std::map<PacketHeader, PacketInfo>& packetTable, PacketHeader const& header, char const* name)
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{
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PacketInfo& info = packetTable[header];
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info.Constructor = nullptr;
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info.Name = name;
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info.HasHandler = false;
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}
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template<class PacketType>
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void RegisterClientPacket(PacketHeader const& header, char const* name)
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{
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PacketInfo& info = _clientPacketTable[header];
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info.Constructor = &New<PacketType>;
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info.Name = name;
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info.HasHandler = has_call_handler<PacketType>::value;
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}
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public:
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ClientPacket* CreateClientPacket(PacketHeader const& header, BitStream& stream);
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char const* GetClientPacketName(PacketHeader const& header);
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char const* GetServerPacketName(PacketHeader const& header);
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bool IsHandled(PacketHeader const& header);
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static PacketManager& Instance()
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{
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static PacketManager instance;
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return instance;
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}
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private:
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std::map<PacketHeader, PacketInfo> _clientPacketTable;
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std::map<PacketHeader, PacketInfo> _serverPacketTable;
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};
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}
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#define sPacketManager Battlenet::PacketManager::Instance()
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#endif // PacketManager_h__
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