mirror of
https://github.com/Mauler125/r5sdk.git
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249 lines
8.5 KiB
C++
249 lines
8.5 KiB
C++
//=============================================================================//
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//
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// Purpose:
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//
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//=============================================================================//
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#ifndef NET_CHAN_H
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#define NET_CHAN_H
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#include "tier1/bitbuf.h"
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#include "tier1/NetAdr.h"
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#include "tier1/NetKey.h"
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#include "tier1/utlmemory.h"
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#include "tier1/utlvector.h"
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#include "common/netmessages.h"
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#include "common/protocol.h"
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#include "public/inetchannel.h"
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#define NET_FRAMES_BACKUP 128
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#define NET_UNRELIABLE_STREAM_MINSIZE 256
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#define NET_CHANNELNAME_MAXLEN 32
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#define NET_FRAMES_MASK (NET_FRAMES_BACKUP-1)
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//-----------------------------------------------------------------------------
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// Purpose: forward declarations
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//-----------------------------------------------------------------------------
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class CClient;
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class CNetChan;
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//-----------------------------------------------------------------------------
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struct netframe_t
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{
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float one;
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float two;
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float three;
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float four;
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float five;
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float six;
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};
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//-----------------------------------------------------------------------------
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struct netflow_t
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{
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float nextcompute;
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float avgbytespersec;
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float avgpacketspersec;
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float avgloss;
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float avgchoke;
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float avglatency;
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float latency;
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int64_t totalpackets;
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int64_t totalbytes;
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netframe_t frames[NET_FRAMES_BACKUP];
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netframe_t current_frame;
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};
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//-----------------------------------------------------------------------------
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struct dataFragments_t
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{
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char* data;
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int64_t block_size;
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bool m_bIsCompressed;
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uint8_t gap11[7];
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int64_t m_nRawSize;
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bool m_bFirstFragment;
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bool m_bLastFragment;
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bool m_bIsOutbound;
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int transferID;
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int m_nTransferSize;
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int m_nCurrentOffset;
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};
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//-----------------------------------------------------------------------------
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enum EBufType
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{
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BUF_RELIABLE = 0,
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BUF_UNRELIABLE,
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BUF_VOICE
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};
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inline CMemory p_NetChan_Clear;
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inline auto v_NetChan_Clear = p_NetChan_Clear.RCast<void (*)(CNetChan* pChan, bool bStopProcessing)>();
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inline CMemory p_NetChan_Shutdown;
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inline auto v_NetChan_Shutdown = p_NetChan_Shutdown.RCast<void (*)(CNetChan* pChan, const char* szReason, uint8_t bBadRep, bool bRemoveNow)>();
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inline CMemory p_NetChan_CanPacket;
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inline auto v_NetChan_CanPacket = p_NetChan_CanPacket.RCast<bool (*)(const CNetChan* pChan)>();
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inline CMemory p_NetChan_SendDatagram;
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inline auto v_NetChan_SendDatagram = p_NetChan_SendDatagram.RCast<int (*)(CNetChan* pChan, bf_write* pMsg)>();
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inline CMemory p_NetChan_ProcessMessages;
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inline auto v_NetChan_ProcessMessages = p_NetChan_ProcessMessages.RCast<bool (*)(CNetChan* pChan, bf_read* pMsg)>();
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//-----------------------------------------------------------------------------
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class CNetChan
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{
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public:
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const char* GetName(void) const;
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const char* GetAddress(bool onlyBase = false) const;
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int GetPort(void) const;
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int GetDataRate(void) const;
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int GetBufferSize(void) const;
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float GetLatency(int flow) const;
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float GetAvgChoke(int flow) const;
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float GetAvgLatency(int flow) const;
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float GetAvgLoss(int flow) const;
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float GetAvgPackets(int flow) const;
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float GetAvgData(int flow) const;
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int64_t GetTotalData(int flow) const;
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int64_t GetTotalPackets(int flow) const;
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int GetSequenceNr(int flow) const;
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float GetTimeoutSeconds(void) const;
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double GetTimeConnected(void) const;
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int GetSocket(void) const;
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const bf_write& GetStreamVoice(void) const;
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const netadr_t& GetRemoteAddress(void) const;
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bool IsOverflowed(void) const;
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inline bool CanPacket(void) const { return v_NetChan_CanPacket(this); }
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inline int SendDatagram(bf_write* pDatagram) { return v_NetChan_SendDatagram(this, pDatagram); }
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bool SendNetMsg(INetMessage& msg, bool bForceReliable, bool bVoice);
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void Clear(bool bStopProcessing);
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inline void Shutdown(const char* szReason, uint8_t bBadRep, bool bRemoveNow)
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{ _Shutdown(this, szReason, bBadRep, bRemoveNow); }
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static void _Shutdown(CNetChan* pChan, const char* szReason, uint8_t bBadRep, bool bRemoveNow);
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static bool _ProcessMessages(CNetChan* pChan, bf_read* pMsg);
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void SetChoked();
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void SetRemoteFramerate(float flFrameTime, float flFrameTimeStdDeviation);
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void SetRemoteCPUStatistics(uint8_t nStats);
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//-----------------------------------------------------------------------------
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public:
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bool m_bProcessingMessages;
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bool m_bShouldDelete;
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bool m_bStopProcessing;
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bool shutting_down;
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int m_nOutSequenceNr;
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int m_nInSequenceNr;
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int m_nOutSequenceNrAck;
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int m_nChokedPackets;
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int unknown_challenge_var;
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private:
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#if defined (GAMEDLL_S0) || defined (GAMEDLL_S1) || defined (GAMEDLL_S2)
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char pad[8];
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#endif
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int m_nLastRecvFlags;
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RTL_SRWLOCK LOCK;
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bf_write m_StreamReliable;
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CUtlMemory<byte> m_ReliableDataBuffer;
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bf_write m_StreamUnreliable;
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CUtlMemory<byte> m_UnreliableDataBuffer;
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bf_write m_StreamVoice;
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CUtlMemory<byte> m_VoiceDataBuffer;
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int m_Socket;
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int m_MaxReliablePayloadSize;
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double last_received;
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double connect_time;
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uint32_t m_Rate;
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int padding_maybe;
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double m_fClearTime;
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CUtlVector<dataFragments_t*> m_WaitingList;
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dataFragments_t m_ReceiveList;
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int m_nSubOutFragmentsAck;
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int m_nSubInFragments;
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int m_nNonceHost;
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uint32_t m_nNonceRemote;
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bool m_bReceivedRemoteNonce;
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bool m_bInReliableState;
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bool m_bPendingRemoteNonceAck;
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uint32_t m_nSubOutSequenceNr;
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int m_nLastRecvNonce;
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bool m_bUseCompression;
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uint32_t dword168;
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float m_Timeout;
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INetChannelHandler* m_MessageHandler;
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CUtlVector<INetMessage*> m_NetMessages;
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uint64_t qword198;
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int m_nQueuedPackets;
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float m_flRemoteFrameTime;
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float m_flRemoteFrameTimeStdDeviation;
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uint8_t m_nServerCPU;
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int m_nMaxRoutablePayloadSize;
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int m_nSplitPacketSequence;
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int64_t m_StreamSendBuffer;
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bf_write m_StreamSend;
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uint8_t m_bInMatch_maybe;
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netflow_t m_DataFlow[2];
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int m_nLifetimePacketsDropped;
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int m_nSessionPacketsDropped;
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int m_nSequencesSkipped_MAYBE;
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int m_nSessionRecvs;
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uint32_t m_nLiftimeRecvs;
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bool m_bRetrySendLong;
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char m_Name[NET_CHANNELNAME_MAXLEN];
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netadr_t remote_address;
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};
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#if defined (GAMEDLL_S0) || defined (GAMEDLL_S1) || defined (GAMEDLL_S2)
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static_assert(sizeof(CNetChan) == 0x1AD0);
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#else
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static_assert(sizeof(CNetChan) == 0x1AC8);
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#endif
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///////////////////////////////////////////////////////////////////////////////
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class VNetChan : public IDetour
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{
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virtual void GetAdr(void) const
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{
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LogFunAdr("CNetChan::Clear", p_NetChan_Clear.GetPtr());
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LogFunAdr("CNetChan::Shutdown", p_NetChan_Shutdown.GetPtr());
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LogFunAdr("CNetChan::CanPacket", p_NetChan_CanPacket.GetPtr());
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LogFunAdr("CNetChan::SendDatagram", p_NetChan_SendDatagram.GetPtr());
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LogFunAdr("CNetChan::ProcessMessages", p_NetChan_ProcessMessages.GetPtr());
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}
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virtual void GetFun(void) const
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{
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p_NetChan_Clear = g_GameDll.FindPatternSIMD("88 54 24 10 53 55 57");
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v_NetChan_Clear = p_NetChan_Clear.RCast<void (*)(CNetChan*, bool)>();
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p_NetChan_Shutdown = g_GameDll.FindPatternSIMD("48 89 6C 24 18 56 57 41 56 48 83 EC 30 83 B9");
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v_NetChan_Shutdown = p_NetChan_Shutdown.RCast<void (*)(CNetChan*, const char*, uint8_t, bool)>();
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p_NetChan_CanPacket = g_GameDll.FindPatternSIMD("40 53 48 83 EC 20 83 B9 ?? ?? ?? ?? ?? 48 8B D9 75 15 48 8B 05 ?? ?? ?? ??");
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v_NetChan_CanPacket = p_NetChan_CanPacket.RCast<bool (*)(const CNetChan*)>();
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p_NetChan_SendDatagram = g_GameDll.FindPatternSIMD("48 89 5C 24 ?? 55 56 57 41 56 41 57 48 83 EC 70");
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v_NetChan_SendDatagram = p_NetChan_SendDatagram.RCast<int (*)(CNetChan*, bf_write*)>();
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p_NetChan_ProcessMessages = g_GameDll.FindPatternSIMD("48 89 5C 24 ?? 48 89 6C 24 ?? 57 48 81 EC ?? ?? ?? ?? 48 8B FA");
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v_NetChan_ProcessMessages = p_NetChan_ProcessMessages.RCast<bool (*)(CNetChan*, bf_read*)>();
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}
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virtual void GetVar(void) const { }
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virtual void GetCon(void) const { }
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virtual void Attach(void) const;
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virtual void Detach(void) const;
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};
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///////////////////////////////////////////////////////////////////////////////
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#endif // NET_CHAN_H
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