myvtm/Module/mod_chromium/CWSCodec.h

#ifndef __CWSCODEC_H
#define __CWSCODEC_H


#include "CStructureInterpreter.h"
#include <stdint.h>
#include <boost/function.hpp>
#include "CMessage.h"
#include "cJSON.h"
#include "baseEx.h"
#include <tuple>
#include <string>
#include <boost/thread/mutex.hpp>





namespace Chromium {
	typedef struct entity_def_struct {
		char entity_name[64];
		char class_name[64];
		unsigned int  methodID;
	}entity_def_struct;

	class CWSCodec {
	public:
		CWSCodec();
		~CWSCodec();

		static CWSCodec* getInstance();
		void init(const char* xmlPath);
		void setEntityHandler(CSmartPointer<IEntityFunction> p);

		std::pair<int, CMessage*> JsonToBuffer(std::string strJson);
		std::string BufferToJson(CMessage& msg, boost::function<void(int,int)> dealErrcodeFun, int replaceTransId = 0);

		std::string GetEntityName(std::string strJson);
		std::string GetClassName(std::string strJson);

		bool checkEntityHasService(std::string entityName);
	private:
		void DeserializeRequestAck(CMessage& msg, std::map<int, entity_def_struct>::iterator& it, int& rpos, cJSON* ret);
		void DeserializeEvent(CMessage& msg, std::vector<CMedthodInterface>* list, int& rpos, cJSON* ret);
		void DeserializeBase(CMessage& msg, CTransStruct& ts, int& rpos, cJSON* ret);	//解析json->buffer

		char* getJsonStr(cJSON* pJson);

		std::pair<bool, std::tuple<CSimpleStringA, CSimpleStringA, CSimpleStringA, CSimpleStringA, CSimpleStringA, int>> GetLinkContex(cJSON* js, char* data, char* errmsg);

		void SerializeInfo(cJSON* js, char* data, int* wpos, int* capacity, CMedthodInterface* pI, char* errmsg);
		void SerializeBeginSession(cJSON* js, char* data, int* wpos, int* capacity, CMedthodInterface* pI, char* errmsg);
		void SerializeEndSession(cJSON* js, char* data, int* wpos, int* capacity, CMedthodInterface* pI, char* errmsg);
		void SerializeRequest(cJSON* js, char* data, int* wpos, int* capacity, CMedthodInterface* pI, char* errmsg);
		void SerializeRegister(cJSON* js, char* data, int* wpos, int* capacity, CMedthodInterface* pI, char* errmsg);
		void SerializeUnregister(cJSON* js, char* data, int* wpos, int* capacity, CMedthodInterface* pI, char* errmsg);
		/*	void SerializeEvent(cJSON* js, char* data, int* wpos, int* capacity, unsigned int* len);*/
		void SerializeLogEvent(cJSON* js, char* data, int* wpos, int* capacity, CMedthodInterface* pI, char* errmsg);
		void SerializeLogWarn(cJSON* js, char* data, int* wpos, int* capacity, CMedthodInterface* pI, char* errmsg);
		void SerializeSetVarReq(cJSON* js, char* data, int* wpos, int* capacity, CMedthodInterface* pI, char* errmsg);
		void SerializeGetVarReq(cJSON* js, char* data, int* wpos, int* capacity, CMedthodInterface* pI, char* errmsg);
		void GeneralSerialize(cJSON* js, char* data, int* wpos, int* capacity, CMedthodInterface* pI, char* errmsg);
		void SerializeLinkInfo(cJSON* js, char* data, int* wpos, int* capacity, char* errmsg);

		bool GetCJsonObjectValue(cJSON* root, const char* strKey, char* dstValue, char* errmsg);
		template<typename T>
		bool GetCJsonIntergerValue(cJSON* root, const char* strKey, T& dstValue, char* errmsg);

		/*
		bool GetCJsonObjectValue(cJSON *root, const char* strKey, unsigned int& dstValue,    char* errmsg);
		bool GetCJsonObjectValue(cJSON *root, const char* strKey, short& dstValue,    char* errmsg);
		bool GetCJsonObjectValue(cJSON *root, const char* strKey, unsigned short& dstValue,    char* errmsg);
		bool GetCJsonObjectValue(cJSON *root, const char* strKey, int& dstValue,    char* errmsg);
		bool GetCJsonObjectValue(cJSON* root, const char* strKey, bool& dstValue, char* errmsg);

		*/
		bool GetCJsonObjectValue(cJSON* obj, int& dstValue, char* errmsg);
		bool GetCJsonObjectValue(cJSON* obj, unsigned int& dstValue, char* errmsg);
		bool GetCJsonObjectValue(cJSON* root, const char* strKey, double& dstValue, char* errmsg);

		bool GetCJsonObjectValue(cJSON* root, const char* strKey, CSimpleStringA& dstValue, char* errmsg);
		bool GetCJsonObjectValue(cJSON* root, const char* strKey, CSimpleStringW& dstValue, char* errmsg);
		bool GetCJsonArraySize(cJSON* root, const char* strKey, int& dstValue, char* errmsg);
		bool GetCJsonObjectValue(cJSON* root, const char* strKey, std::string& dstValue, char* errmsg);
		bool GetCJsonObjectValue(cJSON* obj, CSimpleStringA& dstValue, char* errmsg);
		bool GetCJsonObjectValue(cJSON* obj, CSimpleStringW& dstValue, char* errmsg);

		int UTF8ToUnicode(char* input, CSimpleStringW& output);
		void hexdump(const char* buf, const int num);
	private:
		CStructureInterpreter* mInterpreter;
		std::map<int, entity_def_struct> m_AckCallbackList;
		//std::map不是线程安全的，需要做一个保护，避免不确定行为
		//由堆数据转换为栈数据，从实际生产上看。该值可能为NULL，估计是由于内存分配异常导致
		std::map<int, std::vector<CMedthodInterface>*> m_EventCallbackList;
		//由堆数据转换为栈数据, 基于和ackList相同的逻辑
		CMessage m_DeserializeCache;
		CMessage m_SerializeCache;	//存在脏数据可能
		CSmartPointer<IEntityFunction> m_pFunc;
		boost::mutex m_ackMutex;
	};
}

#endif