TA_RetCode TA_FileSeqClose( TA_FileHandle *handle )
{
TA_PROLOG
TA_RetCode retCode;
TA_FileHandlePriv *fileHandlePriv;
TA_SystemGlobal *global;
#if defined( USE_WIN32_API )
DWORD win32Error;
BOOL retValue;
#endif
TA_TRACE_BEGIN( TA_FileSeqClose );
retCode = TA_GetGlobal( &TA_SystemGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
{
TA_TRACE_RETURN( retCode );
}
TA_ASSERT( handle != NULL );
fileHandlePriv = (TA_FileHandlePriv *)handle;
if( fileHandlePriv )
{
#if defined( USE_WIN32_API )
if( fileHandlePriv->handle != INVALID_HANDLE_VALUE )
{
retValue = CloseHandle( fileHandlePriv->handle );
if( retValue == 0 )
{
win32Error = GetLastError();
global->lastError = win32Error;
TA_FATAL( NULL, 0, win32Error );
}
}
if( fileHandlePriv->allocBuffer )
{
freeDiskBuffer( fileHandlePriv->allocBuffer,
fileHandlePriv->allocBufferSize );
}
#endif
#if defined( USE_OSLAYER )
if( fileHandlePriv->handle != NULL )
fclose( fileHandlePriv->handle );
if( fileHandlePriv->allocBuffer )
TA_Free( fileHandlePriv->allocBuffer );
#endif
if( fileHandlePriv->streamAccess )
{
TA_StreamAccessFree( fileHandlePriv->streamAccess );
}
TA_Free( fileHandlePriv );
}
TA_TRACE_RETURN( TA_SUCCESS );
}
void TA_PrivTraceCheckpoint( const char *funcname,
const char *filename,
unsigned int lineNb )
{
TA_TraceGlobal *global;
TA_RetCode retCode;
#if defined( TA_DEBUG )
TA_String *key;
TA_StringCache *stringCache;
#endif
/* Get access to the global. */
retCode = TA_GetGlobal( &TA_TraceGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
return;
#if !defined( TA_DEBUG )
internalCheckpoint( global, NULL, funcname, filename, lineNb );
#else
/* Build a unique string representing the position. */
stringCache = TA_GetGlobalStringCache();
key = TA_StringValueAlloc( stringCache, filename, lineNb );
if( !key )
return;
internalCheckpoint( global, key, funcname, filename, lineNb );
TA_StringFree( stringCache, key );
#endif
}
void TA_FatalReport( FILE *out )
{
TA_TraceGlobal *global;
TA_RetCode retCode;
unsigned int i, pos;
TA_TracePosition *tracePosition;
retCode = TA_GetGlobal( &TA_TraceGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
return;
if( global->fatalErrorRecorded )
printFatalError( &global->fatalError, out );
else
fprintf( out, "No fatal error" );
/* Output the calling sequence. */
fprintf( out, "Execution Sequence:\n" );
pos = global->posForNextTrace;
for( i=0; i < TA_CODE_TRACE_SIZE; i++ )
{
tracePosition = &global->codeTrace[pos];
if( tracePosition && tracePosition->repetition )
printTracePosition( tracePosition, out );
pos++;
if( pos >= TA_CODE_TRACE_SIZE )
pos = 0;
}
}
void TA_PrivTraceBegin( const char *funcname,
const char *filename,
unsigned int lineNb )
{
#if defined( TA_DEBUG) && defined( TA_SINGLE_THREAD )
unsigned int newTracePositionNeeded; /* Boolean */
TA_TracePosition *tracePosition;
TA_TraceGlobal *global;
TA_RetCode retCode;
#endif
/* Entry point of a function are "checkpoint" for code
* coverage.
*/
TA_PrivTraceCheckpoint( funcname, filename, lineNb );
/* If debugging a single thread, maintain a call stack. */
#if defined( TA_DEBUG ) && defined( TA_SINGLE_THREAD )
if( TA_IsTraceEnabled() )
{
/* Disable tracing within tracing! */
TA_TraceDisable();
/* Get access to the global. */
retCode = TA_GetGlobal( &TA_TraceGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
return;
tracePosition = TA_ListRemoveTail( global->callStack );
newTracePositionNeeded = 1;
if( tracePosition )
{
/* Check if last trace in the stack is the same function. */
if( (tracePosition->filename == filename) &&
(tracePosition->funcname == funcname) )
{
/* Same fucntion, so just increment the repetition. */
tracePosition->repetition++;
newTracePositionNeeded = 0;
}
else /* Not the same function, put back this trace. */
TA_ListAddTail( global->callStack, tracePosition );
}
/* New function, so add the trace to the stack. */
if( newTracePositionNeeded )
{
tracePosition = newTracePosition( funcname, filename, lineNb );
if( tracePosition )
TA_ListAddTail( global->callStack, (void *)tracePosition );
}
/* Re-enable tracing. */
TA_TraceDisable();
}
#endif
}
/**** Global functions definitions. ****/
int TA_GetLastError( void )
{
TA_RetCode retCode;
TA_SystemGlobal *global;
retCode = TA_GetGlobal( &TA_SystemGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
return 0;
return global->lastError;
}
static LPVOID allocDiskBuffer( const char *path, DWORD *nbByteAlloc )
{
BOOL retValue;
LPCTSTR lpRootPathName; /* address of root path */
DWORD lpSectorsPerCluster; /* address of sectors per cluster */
DWORD lpBytesPerSector; /* address of bytes per sector */
DWORD lpNumberOfFreeClusters; /* address of number of free clusters */
DWORD lpTotalNumberOfClusters; /* address of total number of clusters */
LPVOID allocatedMem;
DWORD win32Error;
TA_RetCode retCode;
TA_SystemGlobal *global;
retCode = TA_GetGlobal( &TA_SystemGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
return (LPVOID)NULL;
lpRootPathName = path;
*nbByteAlloc = 0;
retValue = GetDiskFreeSpace( NULL/*lpRootPathName*/,
&lpSectorsPerCluster,
&lpBytesPerSector,
&lpNumberOfFreeClusters,
&lpTotalNumberOfClusters );
if( retValue == 0 )
{
win32Error = GetLastError();
global->lastError = win32Error;
return (LPVOID)NULL;
}
allocatedMem = VirtualAlloc( NULL, /* No specific address needed. */
lpBytesPerSector, /* size of region */
MEM_COMMIT|MEM_RESERVE, /* type of allocation */
PAGE_READWRITE/* type of access protection */ );
if( !allocatedMem )
{
win32Error = GetLastError();
global->lastError = win32Error;
return (LPVOID)NULL;
}
/* Success... return information to caller. */
*nbByteAlloc = lpBytesPerSector;
return allocatedMem;
}
/**** Global functions definitions. ****/
TA_RetCode TA_TraceInit( void )
{
TA_RetCode retCode;
TA_TraceGlobal *global;
/* "Getting" the global will allocate/initialize the global for
* this module.
* Note: All this will guarantee that TA_TraceGlobalShutdown
* will get called when TA_Shutdown is called by the
* library user.
*/
retCode = TA_GetGlobal( &TA_TraceGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
return retCode;
return TA_SUCCESS;
}
TA_RetCode TA_DirectoryFree( TA_Directory *directory )
{
TA_RetCode retCode;
TA_SystemGlobal *global;
retCode = TA_GetGlobal( &TA_SystemGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
return retCode;
if( directory )
{
stringListFree( global->filenameCache, directory->listOfFile );
stringListFree( global->dirnameCache, directory->listOfDirectory );
TA_Free( directory );
}
return TA_SUCCESS;
}
TA_RetCode TA_PrivTraceReturn( const char *funcname,
const char *filename,
unsigned int lineNb,
TA_RetCode retCode )
{
#if defined( TA_SINGLE_THREAD )
TA_TracePosition *tracePosition;
TA_TraceGlobal *global;
TA_RetCode localRetCode;
#endif
TA_PrivTraceCheckpoint( funcname, filename, lineNb );
/* If debugging a single threaded, maintain a calling stack. */
#if defined( TA_DEBUG ) && defined( TA_SINGLE_THREAD )
if( !TA_IsTraceEnabled() )
{
/* Disable tracing within tracing! */
TA_TraceDisable();
/* Get access to the global. */
localRetCode = TA_GetGlobal( &TA_TraceGlobalControl, (void **)&global );
if( localRetCode != TA_SUCCESS )
return retCode;
tracePosition = TA_ListRemoveTail( global->callStack );
if( tracePosition )
{
--tracePosition->repetition;
if( tracePosition->repetition == 0 )
TA_Free( tracePosition );
else
TA_ListAddTail( global->callStack, tracePosition );
}
TA_TraceEnable();
}
#endif
return retCode;
}
TA_RetCode TA_SetFatalErrorHandler( TA_FatalHandler handler )
{
TA_TraceGlobal *global;
TA_RetCode retCode;
retCode = TA_GetGlobal( &TA_TraceGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
return retCode;
#if !defined( TA_SINGLE_THREAD )
retCode = TA_SemaWait( &global->callSema );
if( retCode != TA_SUCCESS )
return retCode;
#endif
global->userHandler = handler;
#if !defined( TA_SINGLE_THREAD )
TA_SemaPost( &global->callSema );
#endif
return TA_SUCCESS;
}
int TA_NbProcessor( void )
{
#if defined( USE_WIN32_API )
TA_RetCode retCode;
TA_SystemGlobal *global;
retCode = TA_GetGlobal( &TA_SystemGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
return 1;
/* Run time function checking the number of processor on that system.
* Will eventually allows to make better decision for parallelism.
*/
initSysInfo(global);
return global->sysInfo.dwNumberOfProcessors;
#else
/* For the time being... do not assume more than one
* processor on other platform.
*/
return 1;
#endif
}
static TA_RetCode freeDiskBuffer( LPVOID buffer, DWORD nbByteAlloc )
{
TA_PROLOG
BOOL retValue;
DWORD win32Error;
TA_RetCode retCode;
TA_SystemGlobal *global;
TA_TRACE_BEGIN( freeDiskBuffer );
retCode = TA_GetGlobal( &TA_SystemGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
{
TA_TRACE_RETURN( retCode );
}
/* Uncommit all pages. */
retValue = VirtualFree( buffer, nbByteAlloc, MEM_DECOMMIT );
if( retValue == 0 )
{
win32Error = GetLastError();
global->lastError = win32Error;
TA_FATAL( "Win32 Cannot free paged mem", nbByteAlloc, win32Error );
}
/* Unreserve all pages. */
retValue = VirtualFree( buffer, 0, MEM_RELEASE );
if( retValue == 0 )
{
win32Error = GetLastError();
global->lastError = win32Error;
TA_FATAL( "Win32 Cannot free paged mem", 0, win32Error );
}
TA_TRACE_RETURN( TA_SUCCESS );
}
TA_RetCode TA_DirectoryAlloc( const char *path,
TA_Directory **directory )
{
#if defined( USE_WIN32_API )
HANDLE handle;
WIN32_FIND_DATA data;
DWORD win32Error;
#endif
#if defined( USE_OSLAYER )
DIRST dirHandle;
const char *filePattern;
char *basePath;
#endif
unsigned pathLength;
int findNextRetCode;
TA_Directory *dir;
TA_String *string;
TA_RetCode retCode;
TA_SystemGlobal *global;
const char *entryName;
unsigned int entryIsDirectory;
*directory = NULL;
if( (path == NULL) || (directory == NULL) )
return TA_BAD_PARAM;
retCode = TA_GetGlobal( &TA_SystemGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
return retCode;
dir = (TA_Directory *)TA_Malloc( sizeof( TA_Directory ) );
if( dir == NULL )
return TA_ALLOC_ERR;
dir->nbFile = 0;
dir->nbDirectory = 0;
dir->listOfFile = TA_ListAlloc();
dir->listOfDirectory = TA_ListAlloc();
if( (dir->listOfFile == NULL) || (dir->listOfDirectory == NULL) )
{
TA_DirectoryFree( dir );
return TA_ALLOC_ERR;
}
/* Verify that the path is valid. */
pathLength = strlen( path );
if( (pathLength == 0) || (pathLength >= MAX_PATH) )
{
TA_DirectoryFree( dir );
return TA_BAD_PARAM;
}
/* Now get the directory from the operating system. */
#if defined( USE_WIN32_API )
handle = FindFirstFile( path, &data );
if( handle == INVALID_HANDLE_VALUE )
{
win32Error = GetLastError();
global->lastError = win32Error;
if( (win32Error != ERROR_FILE_NOT_FOUND) &&
(win32Error != ERROR_PATH_NOT_FOUND) )
{
TA_DirectoryFree( dir );
return TA_ACCESS_FAILED;
}
/* No files or directory... but still have to pass the result
* to the caller.
*/
*directory = dir;
return TA_SUCCESS;
}
entryName = data.cFileName;
entryIsDirectory = data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
#endif
#if defined( USE_OSLAYER )
/* Split the path into the basePath and the filePattern. */
basePath = TA_Malloc( pathLength+1 );
memcpy( basePath, path, pathLength+1 );
filePattern = split_path_and_file( basePath );
if( !filePattern )
{
/* With no filePattern, no file can be found...
* so return an empty directory to the caller.
*/
*directory = dir;
TA_Free( basePath );
return TA_SUCCESS;
}
/* Look for last separetor. */
if( !open_dir(&dirHandle, basePath ) )
{
/* Errors, or no files or no directory... but
* still have to pass the result to the caller.
*/
TA_Free( basePath );
*directory = dir;
return TA_SUCCESS;
}
entryName = dirHandle.file_name;
entryIsDirectory = dirHandle.file_attrs & ATTR_SUBDIR;
#endif
do
{
#if defined( USE_OSLAYER )
if( file_matches( entryName, filePattern ) )
{
#endif
if( entryIsDirectory )
{
if( entryName[0] != '.' )
{
string = TA_StringAlloc( global->dirnameCache, entryName );
if( string == NULL )
{
#if defined( USE_OSLAYER )
close_dir(&dirHandle);
TA_Free( basePath );
#endif
TA_DirectoryFree( dir );
return TA_ALLOC_ERR;
}
retCode = TA_ListAddTail( dir->listOfDirectory, (void *)string );
if( retCode != TA_SUCCESS )
{
#if defined( USE_OSLAYER )
close_dir(&dirHandle);
TA_Free( basePath );
#endif
TA_DirectoryFree( dir );
return retCode;
}
dir->nbDirectory++;
}
}
else
{
string = TA_StringAlloc( global->filenameCache, entryName );
if( string == NULL )
{
#if defined( USE_OSLAYER )
close_dir(&dirHandle);
TA_Free( basePath );
#endif
TA_DirectoryFree( dir );
return TA_ALLOC_ERR;
}
retCode = TA_ListAddTail( dir->listOfFile, (void *)string );
if( retCode != TA_SUCCESS )
{
#if defined( USE_OSLAYER )
close_dir(&dirHandle);
TA_Free( basePath );
#endif
TA_DirectoryFree( dir );
return retCode;
}
dir->nbFile++;
}
#if defined( USE_OSLAYER )
}
#endif
#if defined( USE_WIN32_API )
findNextRetCode = FindNextFile( handle, &data );
entryName = data.cFileName;
entryIsDirectory = data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
#endif
#if defined( USE_OSLAYER )
findNextRetCode = read_dir( &dirHandle );
entryName = dirHandle.file_name;
entryIsDirectory = dirHandle.file_attrs & ATTR_SUBDIR;
#endif
}
while( findNextRetCode == TRUE );
#if defined( USE_OSLAYER )
TA_Free( basePath );
if( !close_dir(&dirHandle) )
{
TA_DirectoryFree( dir );
return TA_INTERNAL_ERROR(11);
}
#endif
#if defined( USE_WIN32_API )
if( FindClose( handle ) != TRUE )
{
global->lastError = GetLastError();
TA_DirectoryFree( dir );
return TA_INTERNAL_ERROR(12);
}
#endif
/* Pass the result to the caller. */
*directory = dir;
return TA_SUCCESS;
}
void TA_PrivError( unsigned int type, const char *str,
const char *filename, const char *date,
const char *time, int line,
unsigned int j, unsigned int k )
{
TA_RetCode retCode;
TA_TraceGlobal *global;
unsigned int length;
retCode = TA_GetGlobal( &TA_TraceGlobalControl, (void **)&global );
if( retCode != TA_SUCCESS )
return;
/* If a fatal error already got handled, return
* immediatly.
*/
if( global->fatalErrorRecorded )
return;
#if !defined( TA_SINGLE_THREAD )
retCode = TA_SemaWait( &global->callSema );
if( retCode != TA_SUCCESS )
return;
#endif
/* Double-check inside the critical section. */
if( global->fatalErrorRecorded )
{
#if !defined( TA_SINGLE_THREAD )
TA_SemaPost( &global->callSema );
#endif
return;
}
global->fatalErrorRecorded = 1;
/* Log the fatal error. */
global->fatalError.position.filename = filename;
global->fatalError.position.funcname = NULL;
global->fatalError.position.lineNb = line;
global->fatalError.position.repetition = 1;
global->fatalError.str = NULL;
if( str )
{
length = strlen( str ) + 1;
if( length != 0 )
{
global->fatalError.str = (char *)TA_Malloc( length );
memcpy( global->fatalError.str, str, length );
}
}
global->fatalError.date = date;
global->fatalError.time = time;
global->fatalError.param1 = j;
global->fatalError.param2 = k;
global->fatalError.type = type;
/* Call the user handler. */
if( global->userHandler )
global->userHandler();
#if !defined( TA_SINGLE_THREAD )
TA_SemaPost( &global->callSema );
#endif
}
TA_RetCode internalWebPageAlloc( const char *webSiteAddr,
const char *webSitePage,
const char *proxyName,
const char *proxyPort,
TA_WebPage **webPageAllocated )
{
TA_PROLOG
TA_RetCode retCode;
TA_NetworkGlobal *global;
TA_WebPage *tmpWebPage;
TA_WebPageHiddenData *webPageHiddenData;
if( !webSiteAddr || !webPageAllocated )
return TA_BAD_PARAM;
TA_TRACE_BEGIN( TA_WebPageAlloc );
*webPageAllocated = NULL;
/* Get the pointer on the global variables. */
retCode = TA_GetGlobal( &TA_NetworkGlobalControl, (void *)&global );
if( retCode != TA_SUCCESS )
{
TA_TRACE_RETURN( retCode );
}
/* Make sure the network library was initialized. */
if( !global->initialized )
{
TA_TRACE_RETURN( TA_SOCKET_LIB_INIT_ERR );
}
/* Alloc the TA_WebPage. */
tmpWebPage = (TA_WebPage *) TA_Malloc( sizeof(TA_WebPage) );
if( !tmpWebPage )
{
TA_TRACE_RETURN( TA_ALLOC_ERR );
}
memset( tmpWebPage, 0, sizeof( TA_WebPage ) );
/* Alloc the hidden implementation of a TA_WebPage. */
webPageHiddenData = (TA_WebPageHiddenData *) TA_Malloc( sizeof(TA_WebPageHiddenData));
if( !webPageHiddenData )
{
TA_Free( tmpWebPage );
TA_TRACE_RETURN( TA_ALLOC_ERR );
}
memset( webPageHiddenData, 0, sizeof( TA_WebPageHiddenData ) );
webPageHiddenData->magicNb = TA_WEBPAGE_MAGIC_NB;
webPageHiddenData->webSiteAddr = webSiteAddr;
webPageHiddenData->webSitePage = webSitePage;
webPageHiddenData->proxyName = proxyName;
webPageHiddenData->proxyPort = proxyPort;
tmpWebPage->hiddenData = webPageHiddenData;
/* From this point, TA_WebPageFree shall be called to clean-up. */
#ifdef DEBUG_PRINTF
printf( "Fetching [%s][%s]", webSiteAddr, webSitePage );
#endif
#if defined( USE_WININET )
retCode = fetchUsingWinInet( global, tmpWebPage );
#endif
#if defined( USE_LIBCURL )
retCode = fetchUsingLibCurl( global, tmpWebPage );
#endif
if( retCode != TA_SUCCESS )
{
/* If an error occured at any point in this module,
* we are sure to free up everything by ending-up here.
* It is assumed that all ressources are referenced
* within the 'tmpWebPage' of course.
*/
TA_WebPageFree( tmpWebPage );
TA_TRACE_RETURN( retCode );
}
/* Everything is fine! Return the page to the caller. */
*webPageAllocated = tmpWebPage;
TA_TRACE_RETURN( TA_SUCCESS );
}