lyfz_repos/经典版源码/lyfzSms/branches/3.0.0.0/lyfzSMSHandle/HttpClientSyn.h

#pragma once
#include <string>
#include <WINDOWS.H>
#include <winhttp.h>
#include <vector>

typedef struct _StParam_{
	std::wstring wstrKey;
	std::wstring wstrValue;
}StParam, *PStParam;

typedef std::vector<StParam> VecStParam;
typedef VecStParam::iterator VecStParamIter;
typedef VecStParam::const_iterator VecStParamCIter;

enum EType{
	eGet,
	ePost,
	eUpload,
};

class CHttpClientSyn
{
public:
	CHttpClientSyn();
	~CHttpClientSyn(void);

	CString m_strErrorDescriptor;
public:
	BOOL TransmiteData(const std::wstring& wstrUrl, EType eType, DWORD dwTimeout);

	VOID ClearEvn();

	BOOL ReceiveData(LPBYTE lpBuffer, DWORD& dwBufferSize);
private:
	BOOL InitializeHttp(const std::wstring& wstrUrl, DWORD dwTimeout);
	VOID UninitializeHttp();

	BOOL ReceiveData();

	BOOL TransmiteData(EType eType);

	VOID ParseParams(const std::wstring& wstrExtraInfo);

	BOOL TransmiteDataToServerByGet();
	BOOL TransmiteDataToServerByPost();
	BOOL TransmiteDataToServerByUpload();

private:
	virtual DWORD GetDataSize() = 0;
	virtual BOOL GetData(LPVOID lpBuffer, DWORD dwBufferSize, DWORD& dwWrite);
	virtual BOOL ModifyRequestHeader(HINTERNET hRequest) = 0;
	virtual VOID AddExtInfo(VecStParam& VecExtInfo) = 0;
	virtual std::wstring GenerateExtInfo(const VecStParam& VecExtInfo) = 0;
private:
	HINTERNET m_hSession;
	HINTERNET m_hConnect;
	HINTERNET m_hRequest;
	DWORD m_dwTimeout;
	LPBYTE m_lpReceiveData;
	DWORD m_dwReceiveDataLength;
	std::wstring m_wstrUrlPath;
	VecStParam m_VecExtInfo;
};