acl/lib_acl_cpp/include/acl_cpp/db/db_service.hpp

#pragma once
#include "acl_cpp/acl_cpp_define.hpp"
#include <list>
#include "acl_cpp/ipc/ipc_service.hpp"
#include "acl_cpp/stdlib/string.hpp"

namespace acl {

typedef enum
{
	DB_OK,
	DB_ERR_OPEN,
	DB_ERR_EXEC_SQL,
} db_status;

//////////////////////////////////////////////////////////////////////////

class db_rows;

class ACL_CPP_API db_query
{
public:
	db_query(void) {}
	virtual ~db_query(void) {}

	virtual void on_error(db_status status) = 0;
	virtual void on_ok(const db_rows* rows, int affected) = 0;

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̻<EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> destroy <EFBFBD>ӿڣ<EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڸýӿ<EFBFBD><EFBFBD>ڽ<EFBFBD><EFBFBD><EFBFBD>һЩ<EFBFBD>ͷŹ<EFBFBD><EFBFBD>̣<EFBFBD><EFBFBD><EFBFBD><EFBFBD>䵱<EFBFBD>ö<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD>̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ڸú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> delete this <EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>տ϶<EFBFBD>
	 * <EFBFBD>ᱻ<EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>಻Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ط<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	virtual void destroy(void) {}
protected:
private:
};

//////////////////////////////////////////////////////////////////////////

class db_handle;
class aio_socket_stream;

/**
 * <EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>࣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>첽<EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>࣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD>̱߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̹߳<EFBFBD><EFBFBD><EFBFBD>
 */
class ACL_CPP_API db_service : public ipc_service
{
public:
	/**
	 * <EFBFBD><EFBFBD>Ϊ sqlite <EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD>ʱ<EFBFBD>Ĺ<EFBFBD><EFBFBD>캯<EFBFBD><EFBFBD>
	 * @param dblimit {size_t} <EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӳصĸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param nthread {int} <EFBFBD><EFBFBD><EFBFBD>̳߳ص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD>
	 * @param win32_gui {bool} <EFBFBD>Ƿ<EFBFBD><EFBFBD>Ǵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>
	 *  ͨѶģʽ<EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> WIN32 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD>õ<EFBFBD><EFBFBD>׽<EFBFBD>
	 *  <EFBFBD><EFBFBD>ͨѶ<EFBFBD><EFBFBD>ʽ
	 */
	db_service(size_t dblimit = 100, int nthread = 2, bool win32_gui = false);
	virtual ~db_service(void);

	/**
	 * <EFBFBD>첽ִ<EFBFBD><EFBFBD> SQL <EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param sql {const char*} Ҫִ<EFBFBD>еı<EFBFBD>׼ SQL <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param query {db_query*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	void sql_select(const char* sql, db_query* query);

	/**
	 * <EFBFBD>첽ִ<EFBFBD><EFBFBD> SQL <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param sql {const char*} Ҫִ<EFBFBD>еı<EFBFBD>׼ SQL <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param query {db_query*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	void sql_update(const char* sql, db_query* query);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
	 * @param db {db_handle*} <EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD>
	 */
	void push_back(db_handle* db);
protected:
	/**
	 * <EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ִ˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {db_handle*}
	 */
	virtual db_handle* db_create() = 0;

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>麯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><EFBFBD>˺<EFBFBD><EFBFBD><EFBFBD>
	 * @param client {aio_socket_stream*} <EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>µĿͻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	virtual void on_accept(aio_socket_stream* client);

#if defined(WIN32) || defined(WIN64)
	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>麯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵߳<EFBFBD> win32 <EFBFBD><EFBFBD>Ϣʱ<EFBFBD>Ļص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param hWnd {HWND} <EFBFBD><EFBFBD><EFBFBD>ھ<EFBFBD><EFBFBD><EFBFBD>
	 * @param msg {UINT} <EFBFBD>û<EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>
	 * @param wParam {WPARAM} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param lParam {LPARAM} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	virtual void win32_proc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
#endif

private:
	// <20><><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	std::list<db_handle*> dbpool_;

	// <20><><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD>ӳصĸ<D8B5><C4B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	size_t dblimit_;

	// <20><>ǰ<EFBFBD><C7B0><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD>ӳصĸ<D8B5><C4B8><EFBFBD>
	size_t dbsize_;
};

} // namespace acl