forked from metin-server/m2dev-client-src
119 lines
2.7 KiB
C++
119 lines
2.7 KiB
C++
#pragma once
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#ifdef _IMPROVED_PACKET_ENCRYPTION_
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#include "EterBase/cipher.h"
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#endif
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#include "EterBase/tea.h"
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#include "NetAddress.h"
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#include <pcg_random.hpp>
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#define SEQUENCE_SEED 0
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class CNetworkStream
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{
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public:
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CNetworkStream();
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virtual ~CNetworkStream();
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void SetRecvBufferSize(int recvBufSize);
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void SetSendBufferSize(int sendBufSize);
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#ifndef _IMPROVED_PACKET_ENCRYPTION_
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void SetSecurityMode(bool isSecurityMode, const char* c_szTeaKey);
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void SetSecurityMode(bool isSecurityMode, const char* c_szTeaEncryptKey, const char* c_szTeaDecryptKey);
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#endif
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bool IsSecurityMode();
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int GetRecvBufferSize();
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void Clear();
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void ClearRecvBuffer();
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void Process();
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bool Connect(const CNetworkAddress& c_rkNetAddr, int limitSec = 3);
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bool Connect(const char* c_szAddr, int port, int limitSec = 3);
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bool Connect(DWORD dwAddr, int port, int limitSec = 3);
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void Disconnect();
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bool Peek(int len);
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bool Peek(int len, char* pDestBuf);
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bool Recv(int len);
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bool Recv(int len, char* pDestBuf);
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bool Send(int len, const char* pSrcBuf);
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bool Peek(int len, void* pDestBuf);
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bool Recv(int len, void* pDestBuf);
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bool Send(int len, const void* pSrcBuf);
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bool SendFlush(int len, const void* pSrcBuf);
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bool IsOnline();
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void SetPacketSequenceMode(bool isOn);
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bool SendSequence();
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uint8_t GetNextSequence();
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protected:
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virtual void OnConnectSuccess();
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virtual void OnConnectFailure();
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virtual void OnRemoteDisconnect();
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virtual void OnDisconnect();
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virtual bool OnProcess();
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bool __SendInternalBuffer();
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bool __RecvInternalBuffer();
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void __PopSendBuffer();
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int __GetSendBufferSize();
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#ifdef _IMPROVED_PACKET_ENCRYPTION_
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size_t Prepare(void* buffer, size_t* length);
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bool Activate(size_t agreed_length, const void* buffer, size_t length);
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void ActivateCipher();
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void DecryptAlreadyReceivedData();
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#endif
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private:
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time_t m_connectLimitTime;
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char* m_recvTEABuf;
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int m_recvTEABufInputPos;
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int m_recvTEABufSize;
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char* m_recvBuf;
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int m_recvBufSize;
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int m_recvBufInputPos;
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int m_recvBufOutputPos;
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char* m_sendBuf;
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int m_sendBufSize;
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int m_sendBufInputPos;
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int m_sendBufOutputPos;
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char* m_sendTEABuf;
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int m_sendTEABufSize;
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int m_sendTEABufInputPos;
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bool m_isOnline;
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#ifdef _IMPROVED_PACKET_ENCRYPTION_
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Cipher m_cipher;
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#else
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// Obsolete encryption stuff here
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bool m_isSecurityMode;
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char m_szEncryptKey[TEA_KEY_LENGTH]; // Client 에서 보낼 패킷을 Encrypt 할때 사용하는 Key
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char m_szDecryptKey[TEA_KEY_LENGTH]; // Server 에서 전송된 패킷을 Decrypt 할때 사용하는 Key
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#endif
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SOCKET m_sock;
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CNetworkAddress m_addr;
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// Sequence
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pcg32 m_SequenceGenerator;
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bool m_bUseSequence;
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};
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