fdb.cpp

A3服务端AccountServer源代码

#include <io.h>
#include <stdio.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <errno.h>
#include "StdInc.h"
#include "FDB.h"


CFDB::CFDB()
{
	m_wSize = sizeof(ACCOUNT_CHAR_INFO);
}

CFDB::~CFDB()
{

}



void	CFDB::GetAccountPath(char *pszAccName, char *pszPath)
{
	int n = 0, len = strlen(pszAccName);
	int i = -1;

	while(++i < len)
	{
		n += (BYTE)pszAccName[i] * (BYTE)pszAccName[i];
	}
	n = n % HASH_VALUE;

	wsprintf (pszPath, "%s\\%03d\\%s", ACCOUNT_ROOT_PATH, n, pszAccName);
}


BOOL	CFDB::LoadAccCharInfo(char * pszAccName)
{
	char szFilePath[64];
	GetAccountPath(pszAccName, szFilePath);

	int fd, n;
	if ((fd = _open(szFilePath, _O_RDONLY | _O_BINARY)) < 0) return FALSE;	
	n = _read(fd, &m_AccountCharInfo, m_wSize);
	_close(fd);
	if (n < m_wSize) return FALSE;

	return TRUE;
}

BOOL	CFDB::LoadAccInfo(char * pszAccName, ACCOUNT_CHAR_INFO * pInfo)
{
	char szFilePath[64];
	GetAccountPath(pszAccName, szFilePath);

	int fd, n;	
	if ((fd = _open(szFilePath, _O_RDONLY | _O_BINARY)) < 0)
	{
		if(errno == ENOENT)
		{
			// 货肺款 颇老 父甸扁			
			if ((fd = _open(szFilePath, _O_WRONLY | _O_TRUNC | _O_CREAT | _O_BINARY, _S_IREAD | _S_IWRITE)) < 0) return FALSE;
			ACCOUNT_CHAR_INFO	tmpACInfo;			
			ZeroMemory(&tmpACInfo, sizeof(ACCOUNT_CHAR_INFO));
			for (int i=0; i < MAX_CHARACTER; i++)
			{
				tmpACInfo.CharInfo[i].byType = 0xff;
			}
			n = _write(fd, &tmpACInfo, sizeof(ACCOUNT_CHAR_INFO));
			_close(fd);
			if (n < m_wSize)			
			{
				_close(fd);
				return FALSE;
			}			
			if ((fd = _open(szFilePath, _O_RDONLY | _O_BINARY)) < 0) return FALSE;			
		}
		else
		{
			return FALSE;
		}
	}
	
	n = _read(fd, pInfo, m_wSize);
	_close(fd);
	if (n < m_wSize) return FALSE;

	return TRUE;
}


BOOL	CFDB::SaveAccCharInfo(char * pszAccName)
{
	char szFilePath[64];
	GetAccountPath(pszAccName, szFilePath);

	int fd, n;
	if ((fd = _open(szFilePath, _O_WRONLY | _O_TRUNC | _O_CREAT | _O_BINARY, _S_IREAD | _S_IWRITE)) < 0) return FALSE;
	n = _write(fd, &m_AccountCharInfo, m_wSize);
	_close(fd);
	if (n < m_wSize) return FALSE;

	return TRUE;	
}