#pragma once

namespace scdriver
{

/**************************************
 *
 *  class: C B u l k E x p o r t
 * 
 **************************************
 *
 * Functional description
 *	
 *	Export table data to a file located
 *	on clients machine
 **************************************/
class __declspec( dllexport ) CBulkExport
{
public:
	CBulkExport(void);
	~CBulkExport(void);

	/**************************************
	 *
	 *  function: E x p o r t
	 * 
	 **************************************
	 *
	 * Functional description
	 *
	 *	export table's data to file
	 **************************************/
	void Export(CConnection	*conn, const char *table, const char *format);

	/**************************************
	 *
	 *  function: O n S a v e
	 * 
	 **************************************
	 *
	 * Functional description
	 *
	 *	save output
	 **************************************/
	virtual void OnSave(const void *data, const int &size);

	/**************************************
	 *
	 *  function: S a v e
	 * 
	 **************************************
	 *
	 * Functional description
	 *
	 *	save output
	 **************************************/
	void Save();

private:
	byte m_data[PAGE_SIZE];
	CConnection *m_conn;
};

/**************************************
 *
 *  class: C B u l k E x p o r t F i l e
 * 
 **************************************
 *
 * Functional description
 *	
 *	Export table data to a file located
 *	on clients machine
 **************************************/
class __declspec( dllexport ) CBulkExportFile: public CBulkExport
{
public:

	CBulkExportFile(void);
	~CBulkExportFile(void);

	int get_class_size();

	/**************************************
	 *
	 *  function: E x p o r t
	 * 
	 **************************************
	 *
	 * Functional description
	 *
	 *	export table's data to file
	 **************************************/
	void Export(CConnection	*conn, const char *table, const char *filename, const char *format, BULK_TRANSFER_CALLBACK *callback = 0);

	/**************************************
	 *
	 *  function: O n S a v e
	 * 
	 **************************************
	 *
	 * Functional description
	 *
	 *	save output
	 **************************************/
	virtual void OnSave(const void *data, const int &size);

private:
	unsigned long m_err; // write to file error code
	HANDLE		  m_hfile;
	unsigned long m_total;
	BULK_TRANSFER_CALLBACK *m_transfer;
};

};