Deliver/include/DiosPacket.h

#pragma once

// 下列 ifdef 块是创建使从 DLL 导出更简单的
// 宏的标准方法。此 DLL 中的所有文件都是用命令行上定义的 DIOSPACKET_EXPORTS
// 符号编译的。在使用此 DLL 的
// 任何其他项目上不应定义此符号。这样，源文件中包含此文件的任何其他项目都会将
// DIOSPACKET_API 函数视为是从 DLL 导入的，而此 DLL 则将用此宏定义的
// 符号视为是被导出的。
#ifndef DIOSPACKET_EXPORTS
#ifdef _WIN64
#ifdef _DEBUG
#pragma comment(lib, "DiosPacketX64D.lib")
#else
#pragma comment(lib, "DiosPacketX64.lib")
#endif
#else
#ifdef _DEBUG
#pragma comment(lib, "DiosPacketD.lib")
#else
#pragma comment(lib, "DiosPacket.lib")
#endif
#endif
#endif

#ifdef DIOSPACKET_EXPORTS
#define DIOSPACKET_API __declspec(dllexport)
#define DIOSPACKET_C_API extern "C" __declspec(dllexport)
#else
#define DIOSPACKET_API __declspec(dllimport)
#define DIOSPACKET_C_API extern "C" __declspec(dllimport)
#endif

#include "SCF.h"
#include "DiosPackComDefs.h"

//Raw packet object------------
class DIOSPACKET_API RawPacketObjectExption
{
	std::string *m_ExpContext;
public:
	RawPacketObjectExption(const RawPacketObjectExption &tValue);
	RawPacketObjectExption(const char *pExp);
	~RawPacketObjectExption(void);
	RawPacketObjectExption& operator = (const RawPacketObjectExption &tValue);
	const char *what();

};

class DIOSPACKET_API RawPacketObject
{
	//有主key,由SetKey自行设定
	//如果无主key,add操作是并列填充到末尾，不能赋值&读取常量，只能读取子对象和添加子对象
	//either way,更新PacketSize！！
	//Parent存在的话，HasKey必须是对象
	//Parent不存在情况，比较复杂，必须SetKey命令显示调用则有KEY，其他情况假设无KEY.
	bool m_HasKey;

	bool m_InternalMalloc;
	vector<unsigned char> *m_pInternalBuff;
	RawPacketObject *m_pParent;


	vector<RawPacketObject*> *m_vec;

	unsigned char *m_pValue;
	
	//below three is main vals
	unsigned char *m_pPacketBuff;
	size_t m_PacketSize;
	size_t m_BuffSize;

	void AddPacketSize(size_t addsize);//called by subobject,update this,and call upper layer
	void NotifySubPacketIsObject();//called by subobject,update this,and call upper layer

public:

	RawPacketObject(RawPacketObject *pParent);//malloc internal
	RawPacketObject(RawPacketObject *pParent,unsigned char *p, size_t packetsize, size_t buffsize);//using outside memory
	~RawPacketObject();
	//construct
	RawPacketObject(const RawPacketObject &tValue);


	//init procedure---------------------------------------------------------
	BOOL HasKey(); //函数需要

	DIOSKEYTYPE GetKey();//需要实现

	size_t sizeOfRaw();//raw数据的真实长度

	size_t sizeOfObject();//object的个数

	size_t sizeOfBuff();

	void Clear();
	void delet();

	bool ReloadObject();

	void Reload(RawPacketObject *pParent, unsigned char *p, size_t packetsize, size_t buffsize);//重新构造对象树

	//add procedure----------------------------------------------------------
	//val is empty,reserve the space with zero
	void SetKey(DIOSKEYTYPE key);
	//normal add,静态或可变长值，但不是对象！！！

	template <class T>
	bool add_Template(DIOSKEYTYPE Key, T tValue)
	{
		
		unsigned char *pTempBuff;
		size_t addSize = 0;
		bool Flexible;
		size_t LengthSize = 0;
		size_t ContextSize = 0;

		if(m_PacketSize + sizeof(Key)+ sizeof(tValue) > sizeOfBuff())
		{
		
			if(m_InternalMalloc)
			{
				ReloadInternalMalloc(sizeof(Key)+sizeof(tValue));			
			}
			else
			{
				throw RawPacketObjectExption("add size overflow ");
				return false;
			}
		}
		
		if(m_HasKey)
		{
			GetKeyFlexble(m_pPacketBuff,Flexible,LengthSize,ContextSize);
			if(!Flexible)
			{
				throw RawPacketObjectExption("fixed length can not use add function!");
				return false;
			}
		}

		
		pTempBuff = &(m_pPacketBuff[m_PacketSize]); 	
		memcpy(pTempBuff,&Key,sizeof(Key));
		
		GetKeyFlexble(pTempBuff,Flexible,LengthSize,ContextSize);


		if(Flexible)
		{

			throw RawPacketObjectExption("Wring key to satatic values ");
			return false;

		}
		else
		{
			addSize = sizeof(Key) + ContextSize;
			
			pTempBuff += sizeof(Key);	
			memcpy(pTempBuff,&tValue,ContextSize);
		}

		if(!SetKeyLengthValue(addSize))
		{
			throw RawPacketObjectExption("update Length zore value error!");
			return false;
		}
		
		RawPacketObject * subRPO = new RawPacketObject(this, (unsigned char *)&(m_pPacketBuff[m_PacketSize]), addSize, addSize);
		(*m_vec).push_back(subRPO);

		AddPacketSize(addSize);
		
		return true;
	}
	
	bool add(DIOSKEYTYPE Key, bool tValue);
	bool add(DIOSKEYTYPE Key, char tValue);
	bool add(DIOSKEYTYPE Key, unsigned char tValue);
	bool add(DIOSKEYTYPE Key, short tValue);
	bool add(DIOSKEYTYPE Key, unsigned short tValue);
	bool add(DIOSKEYTYPE Key, int tValue);
	bool add(DIOSKEYTYPE Key, unsigned int tValue);
	bool add(DIOSKEYTYPE Key, long tValue);
	bool add(DIOSKEYTYPE Key, unsigned long tValue);
	bool add(DIOSKEYTYPE Key, long long tValue);
	bool add(DIOSKEYTYPE Key, unsigned long long tValue);
	bool add(DIOSKEYTYPE Key, float tValue);
	bool add(DIOSKEYTYPE Key, double tValue);
	bool add(DIOSKEYTYPE Key, const char* pValue,size_t size);
	
	void ReloadInternalMalloc(size_t sizeofadd);

	//normal add,静态或可变长值，是对象！！！
	bool add(RawPacketObject &dataobj);
	
	bool SetKeyLengthValue(size_t addSize);

	//赋值 procedure----------------------------------------------------------
	RawPacketObject& operator = (const RawPacketObject &tValue);

	template <class T1>
	bool SignedAssignmentProcess(T1 temp)
	{
		bool Flexible;
		size_t LengthSize = 0;
		size_t ContextSize = 0;
		GetKeyFlexble(m_pPacketBuff,Flexible,LengthSize,ContextSize);
		if(Flexible)
		{
			throw RawPacketObjectExption("Flexible length can not use = function!");
			return false;
		}
		else
		{
			switch(ContextSize)
			{
				case 8:
				{
					//64bit
					long long Local = (long long)temp;
					unsigned long long LocalLen = (unsigned long long)Local;
					memcpy(m_pValue,&LocalLen,sizeof(unsigned long long));

					break;
				}
				case 4:
				{
					//32bit
					int Local = (int)temp;
					unsigned int LocalLen =  (unsigned int)Local;
					memcpy(m_pValue,&LocalLen,sizeof(unsigned int));

					break;
				}
				case 2:
				{
					//16bit
					short Local = (short)temp;
					unsigned short LocalLen = (unsigned short)Local;
					memcpy(m_pValue,&LocalLen,sizeof(unsigned short));

					break;
				}
				case 1:
				{
					//8bit
					char Local = (char)temp;
					unsigned char LocalLen = (unsigned char)Local;
					memcpy(m_pValue,&LocalLen,sizeof(unsigned char));

					break;
				}
				default:
					throw RawPacketObjectExption("ContextSize error!");		
					break;
			}
			AddPacketSize(ContextSize);
		}
		return true;
	}

	template <class T2>
	bool UnSignedAssignmentProcess(T2 temp)
	{
		bool Flexible;
		size_t LengthSize = 0;
		size_t ContextSize = 0;
		GetKeyFlexble(m_pPacketBuff,Flexible,LengthSize,ContextSize);
		if(Flexible)
		{
			throw RawPacketObjectExption("Flexible length can not use = function!");
			return false;
		}
		else
		{
			switch(ContextSize)
			{
				case 8:
				{
					//64bit
					unsigned long long LocalLen = (unsigned long long)temp;
					memcpy(m_pValue,&LocalLen,sizeof(unsigned long long));
		
					break;
				}
				case 4:
				{
					//32bit
					unsigned int LocalLen =  (unsigned int)temp;
					memcpy(m_pValue,&LocalLen,sizeof(unsigned int));
		
					break;
				}
				case 2:
				{
					//16bit
					unsigned short LocalLen = (unsigned short)temp;
					memcpy(m_pValue,&LocalLen,sizeof(unsigned short));
		
					break;
				}
				case 1:
				{
					//8bit
					unsigned char LocalLen = (unsigned char)temp;
					memcpy(m_pValue,&LocalLen,sizeof(unsigned char));
		
					break;
				}
				default:
					throw RawPacketObjectExption("ContextSize error!"); 	
					break;
			}
			AddPacketSize(ContextSize);
		
			return true;
		}
	}


	RawPacketObject& operator = (const bool tValue);
	RawPacketObject& operator = (const char tValue);
	RawPacketObject& operator = (const unsigned char tValue);

	RawPacketObject& operator = (const short tValue);
	RawPacketObject& operator = (const unsigned short tValue);

	RawPacketObject& operator = (const int tValue);
	RawPacketObject& operator = (const unsigned int tValue);

	RawPacketObject& operator = (const long tValue);
	RawPacketObject& operator = (const unsigned long tValue);


	RawPacketObject& operator = (const long long tValue);
	RawPacketObject& operator = (const unsigned long long tValue);

	RawPacketObject& operator = (const float tValue);

	RawPacketObject& operator = (const double tValue);

	bool update(const char* pValue, size_t size);

	//读取 procedure----------------------------------------------------------

	RawPacketObject &operator [](size_t idx);
	RawPacketObject &operator [](int idx);
	RawPacketObject &operator [](DIOSKEYTYPE Key);

	template <class T3>
	bool ReadSignedValueByType(T3 & value)
	{
		if(m_HasKey)
		{
			bool Flexible;
			size_t LengthSize = 0;
			size_t ContextSize = 0;

			GetKeyFlexble(m_pPacketBuff,Flexible,LengthSize,ContextSize);
			if(Flexible)
			{
				throw RawPacketObjectExption("Flexible length can not use = function!");
				return false;
			}
			else
			{
				switch(ContextSize)
				{
					case 8:
					{
						//64bit
						unsigned long long LocalLen;
						memcpy(&LocalLen,m_pValue,sizeof(unsigned long long));
						long long Local = (long long)LocalLen;
						value = (T3)Local;
				
						break;
					}
					case 4:
					{
						//32bit
						unsigned int LocalLen;
						memcpy(&LocalLen,m_pValue,sizeof(unsigned int));
						int Local = (int)LocalLen;
						value = (T3)Local;
						
						break;
					}
					case 2:
					{
						//16bit
						unsigned short LocalLen;
						memcpy(&LocalLen,m_pValue,sizeof(unsigned short));
						short Local = (short)LocalLen;
						value = (T3)Local;
				
						break;
					}
					case 1:
					{
						//8bit
						unsigned char LocalLen;
						memcpy(&LocalLen,m_pValue,sizeof(unsigned char));
						char Local = (char)LocalLen;
						value = (T3)Local;
				
						break;
					}
					default:
						throw RawPacketObjectExption("ContextSize error!"); 	
						break;
				}

				return true;
			}
		}
		else
		{
			throw RawPacketObjectExption("Do not have key, can not get value");
			return false;
		}
	}

	
	template <class T4>
	bool ReadUnSignedValueByType(T4 & value)
	{	
		if(m_HasKey)
		{
			bool Flexible;
			size_t LengthSize = 0;
			size_t ContextSize = 0;

			GetKeyFlexble(m_pPacketBuff,Flexible,LengthSize,ContextSize);
			if(Flexible)
			{
				throw RawPacketObjectExption("Flexible length can not use = function!");
				return false;
			}
			else
			{
				switch(ContextSize)
				{
					case 8:
					{
						//64bit
						unsigned long long LocalLen;
						memcpy(&LocalLen,m_pValue,sizeof(unsigned long long));
						value = (T4)LocalLen;
				
						break;
					}
					case 4:
					{
						//32bit
						unsigned int LocalLen;
						memcpy(&LocalLen,m_pValue,sizeof(unsigned int));
						value = (T4)LocalLen;
						
						break;
					}
					case 2:
					{
						//16bit
						unsigned short LocalLen;
						memcpy(&LocalLen,m_pValue,sizeof(unsigned short));
						value = (T4)LocalLen;
				
						break;
					}
					case 1:
					{
						//8bit
						unsigned char LocalLen;
						memcpy(&LocalLen,m_pValue,sizeof(unsigned char));
						value = (T4)LocalLen;
				
						break;
					}
					default:
						throw RawPacketObjectExption("ContextSize error!"); 	
						break;
				}

				return true;
			}
		}
		else
		{
			throw RawPacketObjectExption("Do not have key, can not get value");
			return false;
		}
	}
	
	operator bool();

	operator char();
	operator unsigned char();

	operator short();
	operator unsigned short();

	operator int();
	operator unsigned int();

	operator long();
	operator unsigned long();

	operator long long();
	operator unsigned long long();

	operator float();
	operator double();


	operator const char*();

	bool IsObject();
	//比较 procedure----------------------------------------------------------
	bool operator== (const RawPacketObject& ar) const;//未实现


};



//Dios短指令协议包
class DIOSPACKET_API DiosPacket : public SCFPacket
{
protected:

	RawPacketObject *m_pDataObj;

	bool m_bReady;//Packet的有效性

	unsigned int m_LenzoneSize;//in byte
	bool m_CrcEffective;
	unsigned int m_Direction;
	unsigned int m_FreezeLenzone;//01:freeze

	bool UpdateLastEnv();

public:
	DiosPacket();
	DiosPacket(char* pData, size_t Length);

	virtual ~DiosPacket();


	//normal access---------------------------

	//Head(1Byte:0xFF)

	//bool GetHeadInfo(char &HeadInfo);
	//bool SetHeadInfo(char &PhyDevIdx);

	//Ver(1Byte)
	//bool GetVerInfo(char &VerInfo);
	//bool SetVerInfo(char &VerInfo);

	//PhyIdx(1Byte)
	bool GetPhyDevIdx(PHYIDXTYPE &PhyDevIdx);
	bool SetPhyDevIdx(PHYIDXTYPE PhyDevIdx);

	//LogicIdx(1Byte)
	bool GetLogicDevIdx(LOGICIDXTYPE &LogicDevIdx);
	bool SetLogicDevIdx(LOGICIDXTYPE LogicDevIdx);

	//8bit
	//crcEffective Flag:1bit (After DataArea we have crc16,the Flag indicates the crc16 whether effective or not)
	bool GetDataCrcEffectiveFlag(bool &Effective);
	bool SetDataCrcEffectiveFlag(bool Effective);

	//targetdirection:2bit (00:REQ,01:RES,10:NOTIFY)
	bool GetTargetDirection(unsigned int &Direction);
	bool SetTargetDirection(unsigned int Direction);

	//dataLenArea Flag:2bit (01 means dataLen Area is not flexible)
	bool GetFreezeLenZoneFlag(unsigned int &FreezeFlag);
	bool SetFreezeLenZoneFlag(unsigned int FreezeFlag);

	//dataLenAreaSize:3bit (DataLenArea's size depends on this value. )
	bool GetLenZoneSize(unsigned int &LenzoneSize);//it might useless...
	bool SetLenZoneSize(unsigned int LenzoneSize);//it might useless...

	//command(1Byte)
	bool GetCommand(DIOSCMDTYPE &Cmd);
	bool SetCommand(DIOSCMDTYPE Cmd);

	bool GetRetcode(char &Ret);
	bool SetRetcode(char Ret);

	//DataLenArea(the size of DataLenArea is determined by DataLenAreaSize.The DataLenArea's size is 2^n(n = .111b means no DataLenArea))
	bool GetDataLen(unsigned long long &Len);
	bool SetDataLen(unsigned long long Len);

	//Head's Crc16
	bool GetHeadsCrc(unsigned short &headCrc16);
	bool SetHeadsCrc(unsigned short headCrc16);

	//dataArea
	char* GetData();
	RawPacketObject *GetDataObject();
	bool SetData(const char *pData, size_t dataLen);//update LenArea too...
	bool AddData(const char *pData, size_t dataLen);//update LenArea too...

	//dataArea Crc16
	bool GetDataCrc(unsigned short &dataCrc16);
	bool SetDataCrc(unsigned short dataCrc16);
	//normal access---------------------------

	//prepare
	bool InitPacket();//init packet 
	bool ReadyPacket();//1.check head,2.make crc,3.check the data area?

	size_t GetHeadSize();

	unsigned long long GetDiosPacketSize();

	bool GetParam(DWORD Idx,char *&pAddress,size_t &ParamSize);//Idx:paramidx,pAddress:address after key,ParamSize:the size of the params context


};

DIOSPACKET_C_API PVOID MallocDiosPacket();//申请Dios PACKET
DIOSPACKET_C_API void ReleaseDiosPacket(PVOID pObj);//释放Dios PACKET

DIOSPACKET_C_API PACKET_RET DiosPacketParser(const char * pRecData, DWORD nLength, DWORD & PacketLength);