mirror of
https://github.com/mod-playerbots/azerothcore-wotlk.git
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136 lines
3.7 KiB
C++
136 lines
3.7 KiB
C++
/*
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* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
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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 Affero General Public License as published by the
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* Free Software Foundation; either version 3 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 Affero 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 __WORLDSOCKET_H__
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#define __WORLDSOCKET_H__
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#include "AuthCrypt.h"
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#include "Common.h"
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#include "MPSCQueue.h"
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#include "ServerPktHeader.h"
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#include "Socket.h"
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#include "Util.h"
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#include "WorldPacket.h"
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#include "WorldSession.h"
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#include <boost/asio/ip/tcp.hpp>
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using boost::asio::ip::tcp;
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class EncryptablePacket : public WorldPacket
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{
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public:
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EncryptablePacket(WorldPacket const& packet, bool encrypt) : WorldPacket(packet), _encrypt(encrypt)
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{
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SocketQueueLink.store(nullptr, std::memory_order_relaxed);
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}
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bool NeedsEncryption() const { return _encrypt; }
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std::atomic<EncryptablePacket*> SocketQueueLink;
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private:
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bool _encrypt;
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};
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namespace WorldPackets
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{
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class ServerPacket;
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}
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#pragma pack(push, 1)
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struct ClientPktHeader
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{
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uint16 size;
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uint32 cmd;
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bool IsValidSize() const { return size >= 4 && size < 10240; }
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bool IsValidOpcode() const { return cmd < NUM_OPCODE_HANDLERS; }
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};
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#pragma pack(pop)
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struct AuthSession;
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class AC_GAME_API WorldSocket : public Socket<WorldSocket>
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{
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typedef Socket<WorldSocket> BaseSocket;
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public:
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WorldSocket(tcp::socket&& socket);
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~WorldSocket();
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WorldSocket(WorldSocket const& right) = delete;
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WorldSocket& operator=(WorldSocket const& right) = delete;
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void Start() override;
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bool Update() override;
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void SendPacket(WorldPacket const& packet);
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void SetSendBufferSize(std::size_t sendBufferSize) { _sendBufferSize = sendBufferSize; }
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protected:
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void OnClose() override;
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void ReadHandler() override;
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bool ReadHeaderHandler();
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enum class ReadDataHandlerResult
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{
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Ok = 0,
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Error = 1,
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WaitingForQuery = 2
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};
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ReadDataHandlerResult ReadDataHandler();
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private:
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void CheckIpCallback(PreparedQueryResult result);
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/// writes network.opcode log
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/// accessing WorldSession is not threadsafe, only do it when holding _worldSessionLock
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void LogOpcodeText(OpcodeClient opcode, std::unique_lock<std::mutex> const& guard) const;
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/// sends and logs network.opcode without accessing WorldSession
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void SendPacketAndLogOpcode(WorldPacket const& packet);
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void HandleSendAuthSession();
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void HandleAuthSession(WorldPacket& recvPacket);
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void HandleAuthSessionCallback(std::shared_ptr<AuthSession> authSession, PreparedQueryResult result);
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void LoadSessionPermissionsCallback(PreparedQueryResult result);
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void SendAuthResponseError(uint8 code);
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bool HandlePing(WorldPacket& recvPacket);
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std::array<uint8, 4> _authSeed;
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AuthCrypt _authCrypt;
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TimePoint _LastPingTime;
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uint32 _OverSpeedPings;
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std::mutex _worldSessionLock;
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WorldSession* _worldSession;
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bool _authed;
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MessageBuffer _headerBuffer;
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MessageBuffer _packetBuffer;
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MPSCQueue<EncryptablePacket, &EncryptablePacket::SocketQueueLink> _bufferQueue;
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std::size_t _sendBufferSize;
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QueryCallbackProcessor _queryProcessor;
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std::string _ipCountry;
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};
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#endif
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