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+
+// Protocol17x.h
+
+/*
+Declares the 1.7.x protocol classes:
+ - cProtocol172
+ - release 1.7.2 protocol (#4)
+(others may be added later in the future for the 1.7 release series)
+*/
+
+
+
+
+
+#pragma once
+
+#include "Protocol16x.h"
+
+
+
+
+
+class cProtocol172 :
+ public cProtocol162 // TODO
+{
+ typedef cProtocol162 super; // TODO
+
+public:
+
+ cProtocol172(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State);
+
+ /// Called when client sends some data:
+ virtual void DataReceived(const char * a_Data, int a_Size) override;
+
+protected:
+
+ AString m_ServerAddress;
+
+ UInt16 m_ServerPort;
+
+ /// State of the protocol. 1 = status, 2 = login
+ UInt32 m_State;
+
+ /// Buffer for the received data
+ cByteBuffer m_ReceivedData;
+
+ bool m_IsEncrypted;
+ CryptoPP::CFB_Mode<CryptoPP::AES>::Decryption m_Decryptor;
+ CryptoPP::CFB_Mode<CryptoPP::AES>::Encryption m_Encryptor;
+
+ /// (Unencrypted) data to be sent to the client. Written by SendData, cleared by Flush()
+ AString m_DataToSend;
+
+
+ /// Adds the received (unencrypted) data to m_ReceivedData, parses complete packets
+ void AddReceivedData(const char * a_Data, int a_Size);
+
+ /// Reads and handles the packet. The packet length and type have already been read.
+ void HandlePacket(UInt32 a_PacketType, UInt32 a_RemainingBytes);
+
+ void HandlePacketStatusRequest(UInt32 a_RemainingBytes);
+
+ /// Writes an entire packet into the output stream. a_Packet is expected to start with the packet type; data length is prepended here.
+ void WritePacket(cByteBuffer & a_Packet);
+
+ /// Adds unencrypted data to the outgoing data buffer
+ virtual void SendData(const char * a_Data, int a_Size) override;
+
+ /// Flushes m_DataToSend through the optional encryption into the outgoing socket data
+ virtual void Flush(void) override;
+} ;
+
+
+
+