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Added support for large field values (up to 4 GB), async and direct I/O on Linux and Solaris, and performed major code cleanup.

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git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@213 0109f412-320b-0410-ab79-c3e0c5ffbbe6
This commit is contained in:
ahodgkinson
2006-03-28 19:25:14 +00:00
parent 0023b51ad8
commit 3eaf791406
197 changed files with 53521 additions and 82897 deletions
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131
flaim/src/f64bitfh.cpp
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@@ -69,9 +69,7 @@ void F_64BitFileHandle::ReleaseLockFile(
if( m_pLockFileHdl)
{
/*
Release the lock file
*/
// Release the lock file
(void)m_pLockFileHdl->Close();
m_pLockFileHdl->Release();
@@ -82,9 +80,7 @@ void F_64BitFileHandle::ReleaseLockFile(
{
char szTmpPath[ F_PATH_MAX_SIZE];
/*
Delete the lock file
*/
// Delete the lock file
f_strcpy( szTmpPath, pszBasePath);
f_pathAppend( szTmpPath, "64.LCK");
@@ -132,9 +128,7 @@ void F_64BitFileHandle::Close(
if( RC_OK( gv_FlmSysData.pFileSystem->OpenDir(
m_ucPath, "*.64", &pDir)))
{
/*
Remove all data files
*/
// Remove all data files
for( rc = pDir->Next(); !RC_BAD( rc) ; rc = pDir->Next() )
{
@@ -147,15 +141,11 @@ void F_64BitFileHandle::Close(
pDir = NULL;
}
/*
Release and delete the lock file
*/
// Release and delete the lock file
(void)ReleaseLockFile( m_ucPath, TRUE);
/*
Remove the directory
*/
// Remove the directory
(void)gv_FlmSysData.pFileSystem->RemoveDir( m_ucPath);
}
@@ -192,10 +182,8 @@ RCODE F_64BitFileHandle::Delete(
if( !gv_FlmSysData.pFileSystem->IsDir( pszPath))
{
/*
If the path specifies a single file rather than a
64-bit directory, just go ahead and delete the file.
*/
// If the path specifies a single file rather than a
// 64-bit directory, just go ahead and delete the file.
rc = gv_FlmSysData.pFileSystem->Delete( pszPath);
goto Exit;
@@ -209,9 +197,7 @@ RCODE F_64BitFileHandle::Delete(
if( RC_OK( gv_FlmSysData.pFileSystem->OpenDir(
pszPath, "*.64", &pDir)))
{
/*
Remove all data files
*/
// Remove all data files
for( rc = pDir->Next(); !RC_BAD( rc) ; rc = pDir->Next())
{
@@ -225,22 +211,17 @@ RCODE F_64BitFileHandle::Delete(
rc = FERR_OK;
}
/*
Release and delete the lock file
*/
// Release and delete the lock file
(void)ReleaseLockFile( pszPath, TRUE);
/*
Remove the directory
*/
// Remove the directory
(void)gv_FlmSysData.pFileSystem->RemoveDir( pszPath);
Exit:
(void)ReleaseLockFile( pszPath, FALSE);
return( rc);
}
@@ -267,27 +248,21 @@ RCODE F_64BitFileHandle::Create(
f_strcpy( m_ucPath, pszPath);
bCreatedDir = TRUE;
/*
Create the lock file
*/
// Create the lock file
if( RC_BAD( rc = CreateLockFile( m_ucPath)))
{
goto Exit;
}
/*
Initialize the EOF to 0 and set the state to open
*/
// Initialize the EOF to 0 and set the state to open
m_ui64EOF = 0;
m_bOpen = TRUE;
Exit:
/*
Release the lock file
*/
// Release the lock file
if( RC_BAD( rc))
{
@@ -364,27 +339,21 @@ RCODE F_64BitFileHandle::CreateUnique(
f_strcpy( m_ucPath, szTmpPath);
bCreatedDir = TRUE;
/*
Create the lock file
*/
// Create the lock file
if( RC_BAD( rc = CreateLockFile( m_ucPath)))
{
goto Exit;
}
/*
Initialize the EOF to 0 and set the state to open
*/
// Initialize the EOF to 0 and set the state to open
m_ui64EOF = 0;
m_bOpen = TRUE;
Exit:
/*
Release the lock file
*/
// Release the lock file
if( RC_BAD( rc))
{
@@ -426,18 +395,14 @@ RCODE F_64BitFileHandle::Open(
f_strcpy( m_ucPath, pszPath);
/*
Create the lock file
*/
// Create the lock file
if( RC_BAD( rc = CreateLockFile( m_ucPath)))
{
goto Exit;
}
/*
Need to determine the current EOF
*/
// Need to determine the current EOF
if( RC_BAD( rc = gv_FlmSysData.pFileSystem->OpenDir(
m_ucPath, "*.64", &pDir)))
@@ -445,9 +410,7 @@ RCODE F_64BitFileHandle::Open(
goto Exit;
}
/*
Find all data files to determine the EOF
*/
// Find all data files to determine the EOF
for( rc = pDir->Next(); !RC_BAD( rc) ; rc = pDir->Next() )
{
@@ -473,9 +436,7 @@ Exit:
pDir->Release();
}
/*
Release the lock file
*/
// Release the lock file
if( RC_BAD( rc))
{
@@ -534,9 +495,7 @@ RCODE F_64BitFileHandle::Read(
FLMUINT uiMaxReadLen;
F_FileHdl * pFileHdl;
/*
Handle the case of a 0-byte read
*/
// Handle the case of a 0-byte read
if( !uiLength)
{
@@ -547,9 +506,7 @@ RCODE F_64BitFileHandle::Read(
goto Exit;
}
/*
Read the data file(s), moving to new files as needed.
*/
// Read the data file(s), moving to new files as needed.
for( ;;)
{
@@ -570,10 +527,8 @@ RCODE F_64BitFileHandle::Read(
{
if( rc == FERR_IO_PATH_NOT_FOUND)
{
/*
Handle the case of a sparse file by filling the unread
portion of the buffer with zeros.
*/
// Handle the case of a sparse file by filling the unread
// portion of the buffer with zeros.
f_memset( pvBuffer, 0, uiBytesToRead);
uiTmp = uiBytesToRead;
@@ -591,10 +546,8 @@ RCODE F_64BitFileHandle::Read(
{
if( rc == FERR_IO_END_OF_FILE)
{
/*
Handle the case of a sparse file by filling the unread
portion of the buffer with zeros.
*/
// 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));
@@ -615,9 +568,7 @@ RCODE F_64BitFileHandle::Read(
break;
}
/*
Set up for next read
*/
// Set up for next read
pvBuffer = ((FLMBYTE *)pvBuffer) + uiTmp;
ui64Offset += uiTmp;
@@ -649,15 +600,11 @@ RCODE F_64BitFileHandle::Write(
FLMUINT uiMaxWriteLen;
F_FileHdl * pFileHdl;
/*
Don't allow zero-length writes
*/
// Don't allow zero-length writes
flmAssert( uiLength);
/*
Write to the data file(s), moving to new files as needed.
*/
// Write to the data file(s), moving to new files as needed.
for( ;;)
{
@@ -687,9 +634,7 @@ RCODE F_64BitFileHandle::Write(
break;
}
/*
Set up for next write
*/
// Set up for next write
pvBuffer = ((FLMBYTE *)pvBuffer) + uiTmp;
uiFileNum = GetFileNum( ui64Offset);
@@ -818,9 +763,7 @@ RCODE F_64BitFileHandle::GetFileNum(
}
else
{
/*
Invalid character found in the file name
*/
// Invalid character found in the file name
rc = RC_SET( FERR_IO_INVALID_PATH);
goto Exit;
@@ -853,13 +796,11 @@ RCODE F_64BitFileHandle::CreateLockFile(
f_strcpy( szLockPath, pszBasePath);
f_pathAppend( szLockPath, "64.LCK");
/*
Attempt to create the lock file. If it fails, the lock file
may have been left because of a crash. Hence, we first try
to delete the file. If that succeeds, we then attempt to
create the file again. If it, or the 2nd create fail, we simply
return an access denied error.
*/
// Attempt to create the lock file. If it fails, the lock file
// may have been left because of a crash. Hence, we first try
// to delete the file. If that succeeds, we then attempt to
// create the file again. If it, or the 2nd create fail, we simply
// return an access denied error.
#ifndef FLM_UNIX
if( RC_BAD( gv_FlmSysData.pFileSystem->Create( szLockPath,