/****************************************************************************
Desc: Read a line from the ini file and store it in pszBuf
****************************************************************************/
RCODE F_IniFile::readLine(
char * pszBuf,
FLMUINT * puiBytes,
FLMBOOL * pbMore)
{
RCODE rc = NE_FLM_OK;
FLMUINT uiBytesRead = 0;
FLMUINT uiBytesInLine = 0;
FLMUINT uiEOLBytes = 0;
FLMBOOL bEOL = FALSE;
f_assert( m_pFileHdl);
rc = m_pFileHdl->read( m_uiFileOffset, *puiBytes,
(FLMBYTE *)pszBuf, &uiBytesRead);
if ( RC_OK( rc) || rc == NE_FLM_IO_END_OF_FILE)
{
// Check to see if we got more than one line...
while( !bEOL && (uiBytesInLine < uiBytesRead) )
{
if( pszBuf[ uiBytesInLine] == 13 || pszBuf[ uiBytesInLine] == 10)
{
// NOTE: If we end up reading the first byte of a CR/LF pair, but
// but the second byte is read on the next call, then it will get
// counted as a new (but empty) line. We're not going to worry
// about it though, because empty lines end up getting ignored
// and this isn't likely to happen often enough to effect
// performance.
bEOL = TRUE;
*puiBytes = uiBytesInLine;
uiEOLBytes=1;
// Check for a CR/LF pair (or a LF/CR pair...)
if( (uiBytesInLine + 1 < uiBytesRead) &&
(pszBuf[ uiBytesInLine + 1] == 13 ||
pszBuf[ uiBytesInLine + 1] == 10))
{
uiEOLBytes++;
}
}
else
{
uiBytesInLine++;
}
}
// Set the file position variable forward appropriately...
m_uiFileOffset += uiBytesInLine + uiEOLBytes;
}
// If we read in more than one line, then don't want to return
// NE_FLM_IO_END_OF_FILE...
if( rc == NE_FLM_IO_END_OF_FILE &&
(uiBytesInLine + uiEOLBytes) < uiBytesRead)
{
rc = NE_FLM_OK;
}
// Last step - update pbMore
*pbMore = (bEOL || (uiBytesRead == 0))
? FALSE
: TRUE;
return( rc);
}
/****************************************************************************
Desc:
****************************************************************************/
RCODE createUnitTest(
const char * configPath,
const char * buildNum,
const char * environment,
const char * user,
unitTestData * uTD)
{
RCODE rc = FERR_OK;
IF_FileHdl * pConfigFileHdl = NULL;
IF_FileHdl * pCSVFileHdl = NULL;
FLMBYTE buffer[ MAX_BUFFER_SIZE] = "";
FLMUINT uiSize = MAX_BUFFER_SIZE;
FLMUINT64 ui64Tmp;
char * strPos1 = NULL;
char * strPos2 = NULL;
IF_FileSystem * pFileSystem = NULL;
if( !configPath || !buildNum || !environment || !uTD || !user)
{
flmAssert(0);
}
if( f_strlen(user) > MAX_SMALL_BUFFER_SIZE)
{
rc = RC_SET( FERR_CONV_DEST_OVERFLOW);
goto Exit;
}
else
{
f_strcpy( uTD->userName, user);
}
if( f_strlen(environment) > MAX_SMALL_BUFFER_SIZE)
{
rc = RC_SET( FERR_CONV_DEST_OVERFLOW);
goto Exit;
}
else
{
f_strcpy( uTD->environment, environment);
}
if( f_strlen( buildNum) > MAX_SMALL_BUFFER_SIZE)
{
rc = RC_SET( FERR_CONV_DEST_OVERFLOW);
goto Exit;
}
else
{
f_strcpy( uTD->buildNumber, buildNum);
}
if( RC_BAD( rc = FlmGetFileSystem( &pFileSystem)))
{
goto Exit;
}
if( configPath[ 0])
{
if( RC_BAD( rc = pFileSystem->openFile(
configPath, FLM_IO_RDONLY | FLM_IO_SH_DENYNONE, &pConfigFileHdl)))
{
goto Exit;
}
if( RC_BAD( rc = pConfigFileHdl->size( &ui64Tmp)))
{
goto Exit;
}
uiSize = (FLMUINT)ui64Tmp;
if( RC_BAD( rc = pConfigFileHdl->read( 0, uiSize, buffer, &uiSize)))
{
goto Exit;
}
#ifdef FLM_WIN
{
char szTemp[ MAX_BUFFER_SIZE];
char * pszTemp = szTemp;
FLMUINT uiNewSize = uiSize;
for( unsigned int i = 0; i < uiSize; i++)
{
if( ((i + 1) < uiSize)
&& (buffer[i] == 0x0D && buffer[ i + 1] == 0x0A))
{
*pszTemp++ = 0x0A;
i++;
uiNewSize--;
}
else
{
*pszTemp++ = buffer[ i];
}
}
f_memcpy( buffer, szTemp, uiNewSize);
uiSize = uiNewSize;
}
#endif
// Get the FOLDER
strPos1 = f_strchr( (const char *)buffer, ':');
strPos2 = f_strchr( (const char *)strPos1, '\n');
if( !strPos1 || !strPos2)
{
rc = RC_SET( FERR_FAILURE);
goto Exit;
}
for( strPos1++; *strPos1 == ' ' || *strPos1 == '\t'; strPos1++);
if( strPos2-strPos1 > MAX_SMALL_BUFFER_SIZE)
{
rc = RC_SET( FERR_CONV_DEST_OVERFLOW);
goto Exit;
}
f_strncpy( uTD->folder, strPos1, strPos2-strPos1);
uTD->folder[ strPos2 - strPos1] = '\0';
// Get the ATTRIBUTES
strPos1 = f_strchr( (const char *)strPos1, ':');
strPos2 = f_strchr( (const char *)strPos1, '\n');
if( !strPos1 || !strPos2)
{
rc = RC_SET( FERR_FAILURE);
goto Exit;
}
for( strPos1++;*strPos1 == ' ' || *strPos1 == '\t';strPos1++);
if( strPos2-strPos1 > MAX_SMALL_BUFFER_SIZE)
{
rc = RC_SET( FERR_FAILURE);
goto Exit;
}
f_strncpy( uTD->attrs, strPos1, strPos2-strPos1);
uTD->attrs[strPos2-strPos1] = '\0';
// Get the CSVFILE
strPos1 = f_strchr( (const char *)strPos1, ':');
strPos2 = f_strchr( (const char *)strPos1, '\n');
// Allow for possible \r
if( *( --strPos2) != '\r')
{
strPos2++;
}
if( !strPos1 || !strPos2)
{
rc = RC_SET( FERR_FAILURE);
goto Exit;
}
for( strPos1++;*strPos1 == ' ' || *strPos1 == '\t';strPos1++);
if( strPos2-strPos1 > MAX_SMALL_BUFFER_SIZE)
{
rc = RC_SET( FERR_FAILURE);
goto Exit;
}
f_strncpy( uTD->csvFilename, strPos1, strPos2-strPos1);
uTD->csvFilename[ strPos2 - strPos1] = '\0';
if( RC_BAD( rc = pFileSystem->openFile( uTD->csvFilename,
FLM_IO_RDWR | FLM_IO_SH_DENYNONE, &pCSVFileHdl)))
{
if ( rc == FERR_IO_PATH_NOT_FOUND)
{
// Create the file and write the header
if( RC_BAD( rc = f_filecat( uTD->csvFilename, DATA_ORDER)))
{
goto Exit;
}
}
}
else
{
goto Exit;
}
}
Exit:
if( pConfigFileHdl)
{
pConfigFileHdl->Release();
}
if( pCSVFileHdl)
{
pCSVFileHdl->Release();
}
if( pFileSystem)
{
pFileSystem->Release();
}
return( rc);
}
/****************************************************************************
Desc: Reads data from the file
****************************************************************************/
RCODE F_MultiFileHdl::read(
FLMUINT64 ui64Offset, // Offset to begin reading
FLMUINT uiLength, // Number of bytes to read
void * pvBuffer, // Buffer
FLMUINT * puiBytesRead) // [out] Number of bytes read
{
RCODE rc = NE_FLM_OK;
FLMUINT uiFileNum = getFileNum( ui64Offset);
FLMUINT uiFileOffset = getFileOffset( ui64Offset);
FLMUINT uiTmp;
FLMUINT uiTotalBytesRead = 0;
FLMUINT uiBytesToRead;
FLMUINT uiMaxReadLen;
IF_FileHdl * pFileHdl;
// Handle the case of a 0-byte read
if( !uiLength)
{
if( ui64Offset >= m_ui64EOF)
{
rc = RC_SET( NE_FLM_IO_END_OF_FILE);
}
goto Exit;
}
// Read the data file(s), moving to new files as needed.
for( ;;)
{
if( ui64Offset >= m_ui64EOF)
{
rc = RC_SET( NE_FLM_IO_END_OF_FILE);
goto Exit;
}
uiMaxReadLen = m_uiMaxFileSize - uiFileOffset;
f_assert( uiMaxReadLen != 0);
uiTmp = (uiLength >= uiMaxReadLen ? uiMaxReadLen : uiLength);
uiBytesToRead = (((FLMUINT64)uiTmp > (FLMUINT64)(m_ui64EOF - ui64Offset))
? (FLMUINT)(m_ui64EOF - ui64Offset)
: uiTmp);
if( RC_BAD( rc = getFileHdl( uiFileNum, FALSE, &pFileHdl)))
{
if( rc == NE_FLM_IO_PATH_NOT_FOUND)
{
// Handle the case of a sparse file by filling the unread
// portion of the buffer with zeros.
f_memset( pvBuffer, 0, uiBytesToRead);
uiTmp = uiBytesToRead;
rc = NE_FLM_OK;
}
else
{
goto Exit;
}
}
else
{
if( RC_BAD( rc = pFileHdl->read( uiFileOffset, uiBytesToRead,
pvBuffer, &uiTmp)))
{
if( rc == NE_FLM_IO_END_OF_FILE)
{
// Handle the case of a sparse file by filling the unread
// portion of the buffer with zeros.
f_memset( &(((FLMBYTE *)(pvBuffer))[ uiTmp]),
0, (FLMUINT)(uiBytesToRead - uiTmp));
uiTmp = uiBytesToRead;
rc = NE_FLM_OK;
}
else
{
goto Exit;
}
}
}
uiTotalBytesRead += uiTmp;
uiLength -= uiTmp;
if( !uiLength)
{
break;
}
// Set up for next read
pvBuffer = ((FLMBYTE *)pvBuffer) + uiTmp;
ui64Offset += uiTmp;
uiFileNum = getFileNum( ui64Offset);
uiFileOffset = getFileOffset( ui64Offset);
}
Exit:
*puiBytesRead = uiTotalBytesRead;
return( rc);
}
/****************************************************************************
Desc: Copy a file that is one of the files of the database.
*****************************************************************************/
FSTATIC RCODE flmCopyFile(
IF_FileSystem * pFileSystem,
FLMUINT uiStartOffset,
FLMUINT uiEndOffset,
DB_COPY_INFO * pDbCopyInfo,
COPIED_NAME ** ppCopiedListRV,
FLMBYTE * pucInMemLogHdr,
FLMBOOL bOkToTruncate,
STATUS_HOOK fnStatusCallback,
void * UserData)
{
RCODE rc = FERR_OK;
FLMBYTE * pucBuffer = NULL;
IF_FileHdl * pSrcFileHdl = NULL;
IF_FileHdl * pDestFileHdl = NULL;
FLMUINT uiBufferSize = 32768;
FLMUINT uiBytesToRead;
FLMUINT uiBytesRead;
FLMUINT uiBytesWritten;
FLMUINT uiOffset;
FLMBYTE * pucLogHdr = NULL;
FLMUINT uiNewChecksum;
FLMBOOL bCreatedDestFile = FALSE;
// Open the source file.
if( RC_BAD( rc = gv_FlmSysData.pFileSystem->openFile(
pDbCopyInfo->szSrcFileName, gv_FlmSysData.uiFileOpenFlags,
&pSrcFileHdl)))
{
goto Exit;
}
// First attempt to open the destination file. If it does
// not exist, attempt to create it.
if (RC_BAD( rc = gv_FlmSysData.pFileSystem->openFile(
pDbCopyInfo->szDestFileName, gv_FlmSysData.uiFileOpenFlags,
&pDestFileHdl)))
{
if (rc != FERR_IO_PATH_NOT_FOUND &&
rc != FERR_IO_INVALID_PATH)
{
goto Exit;
}
if( RC_BAD( rc = gv_FlmSysData.pFileSystem->createFile(
pDbCopyInfo->szDestFileName, gv_FlmSysData.uiFileCreateFlags,
&pDestFileHdl)))
{
goto Exit;
}
bCreatedDestFile = TRUE;
}
// Allocate a buffer for reading and writing
if( RC_BAD( rc = f_allocAlignedBuffer( uiBufferSize, &pucBuffer)))
{
goto Exit;
}
// Allocate a buffer for the log header
if( RC_BAD( rc = f_allocAlignedBuffer( 2048, &pucLogHdr)))
{
goto Exit;
}
// If uiStartOffset is 2048, it is the special case of
// the control file, and we are not copying the first 2K.
// However, we need to set up the first 2K so that if
// someone reads the first 2K, it will return them a
// maintenance in progress error.
if (uiStartOffset == 2048)
{
// Read the first 2K of the source file.
if (RC_BAD( rc = pSrcFileHdl->read( 0, 2048, pucBuffer, &uiBytesRead)))
{
if (rc == FERR_IO_END_OF_FILE)
{
rc = FERR_OK;
}
else
{
goto Exit;
}
}
// Zero out whatever part of the 2K we didn't get on the read.
if (uiBytesRead < 2048)
{
f_memset( &pucBuffer[ uiBytesRead], 0, (int)(2048 - uiBytesRead));
}
// Attempt to read the log header from the destination file.
// It is OK if we can't read it, because if we created the
// destination file, these bytes may not be present.
if( bCreatedDestFile ||
RC_BAD( pDestFileHdl->read( 0, 2048, pucLogHdr, &uiBytesRead)))
{
f_memset( pucLogHdr, 0, sizeof( 2048));
}
// Set the transaction ID to zero. MUST ALSO SET THE TRANS ACTIVE FLAG
// TO FALSE - OTHERWISE READERS WILL ATTEMPT TO DECREMENT THE
// TRANSACTION ID AND WILL END UP WITH 0xFFFFFFFF - very bad!
// We must use zero, because it is the only transaction ID that will not
// appear on ANY block.
UD2FBA( 0, &pucLogHdr[ 16 + LOG_CURR_TRANS_ID]);
// Recalculate the log header checksum so that readers will not get a
// checksum error.
uiNewChecksum = lgHdrCheckSum( &pucLogHdr[ 16], FALSE);
UW2FBA( (FLMUINT16)uiNewChecksum, &pucLogHdr[ 16 + LOG_HDR_CHECKSUM]);
f_memcpy( &pucBuffer[ 16], &pucLogHdr[ 16], LOG_HEADER_SIZE);
// Write this "special" first 2K into the destination file.
// The real first 2K from the source file will be copied in
// at a later time.
if (RC_BAD( rc = pDestFileHdl->write( 0, 2048,
pucBuffer, &uiBytesWritten)))
{
goto Exit;
}
// Save the log header to the in-memory version of the log
// header as well - if pucInMemLogHdr is NULL, it is pointing
// to the pFile->ucLastCommittedLogHdr buffer.
if (pucInMemLogHdr)
{
f_memcpy( pucInMemLogHdr, &pucLogHdr[ 16], LOG_HEADER_SIZE);
}
}
// Read from source file until we hit EOF in the file or
// we hit the end offset.
uiOffset = uiStartOffset;
for (;;)
{
uiBytesToRead = (FLMUINT)((uiEndOffset - uiOffset >=
uiBufferSize)
? uiBufferSize
: (FLMUINT)(uiEndOffset - uiOffset));
// Read data from source file.
if (RC_BAD( rc = pSrcFileHdl->read( uiOffset, uiBytesToRead,
pucBuffer, &uiBytesRead)))
{
if (rc == FERR_IO_END_OF_FILE)
{
rc = FERR_OK;
if (!uiBytesRead)
{
break;
}
}
else
{
goto Exit;
}
}
// Write data to destination file.
if (RC_BAD( rc = pDestFileHdl->write( uiOffset,
uiBytesRead, pucBuffer, &uiBytesWritten)))
{
goto Exit;
}
// See if we wrote out the buffer that has the log header
// If so, we need to copy it back to the in-memory log
// header.
if ((pucInMemLogHdr) &&
(uiOffset <= 16) &&
(uiOffset + uiBytesWritten >= 16 + LOG_HEADER_SIZE))
{
f_memcpy( pucInMemLogHdr, &pucBuffer[ 16 - uiOffset],
LOG_HEADER_SIZE);
}
uiOffset += uiBytesWritten;
// Do callback to report progress.
if (fnStatusCallback)
{
pDbCopyInfo->ui64BytesCopied += (FLMUINT64)uiBytesWritten;
if (RC_BAD( rc = (*fnStatusCallback)( FLM_DB_COPY_STATUS,
(void *)pDbCopyInfo,
(void *)0, UserData)))
{
goto Exit;
}
pDbCopyInfo->bNewSrcFile = FALSE;
}
// Quit once we reach the end offset or we read fewer bytes
// than we asked for.
if (uiOffset >= uiEndOffset || uiBytesRead < uiBytesToRead)
{
break;
}
}
// If we overwrote the destination file, as opposed to creating
// it, truncate it in case it was larger than the number of
// bytes we actually copied.
if (!bCreatedDestFile && bOkToTruncate)
{
if (RC_BAD( rc = pDestFileHdl->truncateFile( uiOffset)))
{
goto Exit;
}
}
// If the copy succeeded, add the destination name to a list
// of destination files. This is done so we can clean up
// copied files if we fail somewhere in the overall database
// copy.
if (ppCopiedListRV)
{
COPIED_NAME * pCopyName;
if( RC_BAD( rc = f_alloc(
(FLMUINT)sizeof( COPIED_NAME), &pCopyName)))
{
goto Exit;
}
f_strcpy( pCopyName->szPath, pDbCopyInfo->szDestFileName);
pCopyName->pNext = *ppCopiedListRV;
*ppCopiedListRV = pCopyName;
}
Exit:
if( pucBuffer)
{
f_freeAlignedBuffer( &pucBuffer);
}
if( pucLogHdr)
{
f_freeAlignedBuffer( &pucLogHdr);
}
if( pSrcFileHdl)
{
pSrcFileHdl->Release();
}
if( pDestFileHdl)
{
pDestFileHdl->flush();
pDestFileHdl->Release();
}
// Attempt to delete the destination file if
// we didn't successfully copy it.
if( RC_BAD( rc))
{
(void)pFileSystem->deleteFile( pDbCopyInfo->szDestFileName);
}
return( rc);
}
