windows-nt/Source/XPSP1/NT/windows/winstate/cobra/modules/guitrans/removemed.c
2020-09-26 16:20:57 +08:00

2063 lines
64 KiB
C

/*++
Copyright (c) 1999 Microsoft Corporation
Module Name:
removemed.c
Abstract:
Implements a transport module that works with removable media
Author:
Calin Negreanu (calinn) 24-Apr-2000
Revision History:
<alias> <date> <comments>
--*/
//
// Includes
//
#include "pch.h"
#include "logmsg.h"
#include <compress.h>
#define DBG_RMVMED "RmvMed"
//
// Strings
//
#define S_TRANSPORT_DAT_FILE TEXT("TRANSDB.DAT")
#define S_TRANSPORT_DEST_FILE TEXT("USMT2IMG.DAT")
#define S_TRANSPORT_IMG_FILE TEXT("IMG%05X.DAT")
#define S_UNCOMPRESSED_FILE TEXT("TEMPFILE.DAT")
#define S_DETAILS_PREFIX TEXT("details-")
//
// Constants
//
#define TRFLAG_FILE 0x01
#define TRFLAG_MEMORY 0x02
#define COPY_BUFFER_SIZE 32768
#define RMVMEDTR_OLDSIG1 0x55534D31 //USM1
#define RMVMEDTR_OLDSIG2 0x55534D32 //USM1
#define RMVMEDTR_SIG 0x55534D33 //USM2
//
// Macros
//
// None
//
// Types
//
typedef struct {
TCHAR TempFile [MAX_PATH];
PCVOID AllocPtr;
PCVOID DetailsPtr;
HANDLE FileHandle;
HANDLE MapHandle;
} ALLOCSTATE, *PALLOCSTATE;
typedef struct {
DWORD Signature;
DWORD LastImage;
DWORD ImageNr;
DWORD CheckSum;
LONGLONG TotalImageSize;
} IMAGE_HEADER, *PIMAGE_HEADER;
//
// Globals
//
MIG_TRANSPORTSTORAGEID g_RemovableMediaId;
UINT g_RmvMedPlatform;
PCTSTR g_RemovableMediaPath = NULL;
PCTSTR g_RmvMedTempPath = NULL;
MIG_PROGRESSSLICEID g_PersistentSlice;
MIG_PROGRESSSLICEID g_DatabaseSlice;
UINT g_CompressedTicks;
UINT g_CompressedTicked;
MIG_PROGRESSSLICEID g_CompressedSlice;
UINT g_DownloadTicks;
UINT g_DownloadTicked;
MIG_PROGRESSSLICEID g_DownloadSlice;
UINT g_UncompressTicks;
UINT g_UncompressTicked;
MIG_PROGRESSSLICEID g_UncompressSlice;
LONGLONG g_TotalFiles;
LONGLONG g_FilesRead;
//
// Macro expansion list
//
// None
//
// Private function prototypes
//
VOID
pCleanupTempDir (
VOID
);
//
// Macro expansion definition
//
// None
//
// Code
//
BOOL
WINAPI
RmvMedTransportInitialize (
PMIG_LOGCALLBACK LogCallback
)
{
//
// Initialize globals
//
LogReInit (NULL, NULL, NULL, (PLOGCALLBACK) LogCallback);
g_RemovableMediaId = IsmRegisterTransport (S_REMOVABLE_MEDIA_TRANSPORT);
return TRUE;
}
VOID
WINAPI
RmvMedTransportTerminate (
VOID
)
{
pCleanupTempDir ();
if (g_RmvMedTempPath) {
FreePathString (g_RmvMedTempPath);
g_RmvMedTempPath = NULL;
}
if (g_RemovableMediaPath) {
FreePathString (g_RemovableMediaPath);
g_RemovableMediaPath = NULL;
}
}
VOID
WINAPI
RmvMedTransportEstimateProgressBar (
MIG_PLATFORMTYPEID PlatformTypeId
)
{
UINT ticks;
PMIG_OBJECTCOUNT objectCount;
if (PlatformTypeId == PLATFORM_SOURCE) {
//
// If saving, we know the number of ticks based on the count of the
// persistent attribute.
//
objectCount = IsmGetObjectsStatistics (PLATFORM_SOURCE);
if (objectCount) {
ticks = objectCount->PersistentObjects;
} else {
ticks = 0;
}
g_PersistentSlice = IsmRegisterProgressSlice (ticks, max (1, ticks / 5));
g_DatabaseSlice = IsmRegisterProgressSlice (3, 1);
g_CompressedTicks = ticks;
g_CompressedSlice = IsmRegisterProgressSlice (g_CompressedTicks, max (1, g_CompressedTicks / 5));
} else {
g_DownloadTicked = 0;
g_DownloadTicks = 1000;
g_DownloadSlice = IsmRegisterProgressSlice (g_DownloadTicks, 180);
g_UncompressTicked = 0;
g_UncompressTicks = 1000;
g_UncompressSlice = IsmRegisterProgressSlice (g_UncompressTicks, 180);
}
}
BOOL
WINAPI
RmvMedTransportQueryCapabilities (
IN MIG_TRANSPORTSTORAGEID TransportStorageId,
OUT PMIG_TRANSPORTTYPE TransportType,
OUT PMIG_TRANSPORTCAPABILITIES Capabilities,
OUT PCTSTR *FriendlyDescription
)
{
if (TransportStorageId != g_RemovableMediaId) {
return FALSE;
}
*TransportType = TRANSPORTTYPE_FULL;
*Capabilities = CAPABILITY_COMPRESSED;
*FriendlyDescription = TEXT("Span Media");
return TRUE;
}
VOID
pCleanupTempDir (
VOID
)
{
if (g_RmvMedTempPath) {
FiRemoveAllFilesInTree (g_RmvMedTempPath);
}
}
PCTSTR
pCreateTemporaryDir (
VOID
)
{
TCHAR tempFile[MAX_PATH];
if (!IsmGetTempDirectory (tempFile, ARRAYSIZE(tempFile))) {
return NULL;
}
return DuplicatePathString (tempFile, 0);
}
BOOL
WINAPI
RmvMedTransportSetStorage (
IN MIG_PLATFORMTYPEID Platform,
IN MIG_TRANSPORTSTORAGEID TransportStorageId,
IN MIG_TRANSPORTCAPABILITIES RequiredCapabilities,
IN PCTSTR StoragePath,
OUT PBOOL Valid,
OUT PBOOL ImageExists
)
{
BOOL result = FALSE;
if (Valid) {
*Valid = FALSE;
}
if (ImageExists) {
*ImageExists = FALSE;
}
if (TransportStorageId == g_RemovableMediaId) {
if ((!RequiredCapabilities) || (RequiredCapabilities == CAPABILITY_COMPRESSED)) {
if (g_RemovableMediaPath) {
FreePathString (g_RemovableMediaPath);
g_RemovableMediaPath = NULL;
}
g_RemovableMediaPath = DuplicatePathString (StoragePath, 0);
if (Valid) {
*Valid = TRUE;
}
if (ImageExists) {
if (Platform == PLATFORM_SOURCE) {
*ImageExists = FALSE;
} else {
*ImageExists = TRUE;
}
}
result = TRUE;
}
}
return result;
}
PCTSTR
pBuildDecoratedObject (
IN MIG_OBJECTTYPEID ObjectTypeId,
IN ENCODEDSTRHANDLE ObjectName
)
{
TCHAR prefix[32];
wsprintf (prefix, TEXT("%u"), ObjectTypeId);
return JoinPaths (prefix, ObjectName);
}
VOID
pDestroyDecoratedObject (
IN PCTSTR String
)
{
FreePathString (String);
}
BOOL
pSaveDetails (
IN PCTSTR DecoratedObject,
IN PMIG_DETAILS Details
)
{
PCTSTR key;
BOOL b = FALSE;
if ((!Details) || (!Details->DetailsSize)) {
return TRUE;
}
key = JoinText (S_DETAILS_PREFIX, DecoratedObject);
if (key) {
b = (MemDbSetUnorderedBlob (key, 0, Details->DetailsData, Details->DetailsSize) != 0);
FreeText (key);
}
return b;
}
PCTSTR
pAllocStorageFileName (
VOID
)
{
static UINT fileIndex = 0;
TCHAR buffer [32];
fileIndex ++;
wsprintf (buffer, TEXT("%08X.DAT"), fileIndex);
return DuplicatePathString (buffer, 0);
}
BOOL
pSaveContentInMemory (
IN MIG_OBJECTTYPEID ObjectTypeId,
IN ENCODEDSTRHANDLE ObjectName,
IN PCTSTR DecoratedObject,
IN PMIG_CONTENT ObjectValue
)
{
BOOL result = FALSE;
MemDbSetValue (DecoratedObject, TRFLAG_MEMORY);
if (ObjectValue->MemoryContent.ContentBytes && ObjectValue->MemoryContent.ContentSize) {
MemDbSetUnorderedBlob (
DecoratedObject,
0,
ObjectValue->MemoryContent.ContentBytes,
ObjectValue->MemoryContent.ContentSize
);
}
result = pSaveDetails (DecoratedObject, &ObjectValue->Details);
return result;
}
BOOL
pAddFileToImage (
IN PCTSTR FileName,
IN PCTSTR StoredName,
IN OUT PCOMPRESS_HANDLE CompressedHandle
)
{
return CompressAddFileToHandle (FileName, StoredName, CompressedHandle);
}
BOOL
pSaveContentInFile (
IN MIG_OBJECTTYPEID ObjectTypeId,
IN PCTSTR EncodedFileName,
IN PCTSTR DecoratedObject,
IN PMIG_CONTENT Content,
IN OUT PCOMPRESS_HANDLE CompressedHandle
)
{
BOOL result = FALSE;
PCTSTR destPath = NULL;
DWORD attributes = INVALID_ATTRIBUTES;
MYASSERT (Content->ContentInFile);
if (!Content->ContentInFile) {
return FALSE;
}
//
// Use the CopyFile API to move the file from local to storage.
//
__try {
if (Content && (Content->Details.DetailsSize == sizeof (WIN32_FIND_DATAW)) && Content->Details.DetailsData) {
attributes = ((PWIN32_FIND_DATAW)Content->Details.DetailsData)->dwFileAttributes;
}
if ((attributes != INVALID_ATTRIBUTES) && (attributes & FILE_ATTRIBUTE_DIRECTORY)) {
// this must be a directory, let's just write the key
if (!MemDbSetValue (DecoratedObject, TRFLAG_FILE)) {
__leave;
}
result = TRUE;
} else {
//
// Get a temp file, assemble the src path, copy the file
//
destPath = pAllocStorageFileName ();
if (!destPath) {
__leave;
}
if (!pAddFileToImage (Content->FileContent.ContentPath, destPath, CompressedHandle)) {
__leave;
}
//
// Keep track of where the file went
//
if (!MemDbSetValue (DecoratedObject, TRFLAG_FILE)) {
__leave;
}
if (!MemDbAddSingleLinkage (DecoratedObject, destPath, 0)) {
__leave;
}
FreePathString (destPath);
destPath = NULL;
}
//
// Save details
//
result = pSaveDetails (DecoratedObject, &(Content->Details));
}
__finally {
if (destPath) {
FreePathString (destPath);
destPath = NULL;
}
}
return result;
}
PCTSTR
pGetImageFile (
IN UINT ImageIdx
)
{
TCHAR imageFileName [13];
PCTSTR imageFile = NULL;
HANDLE imageFileHandle = NULL;
wsprintf (imageFileName, S_TRANSPORT_IMG_FILE, ImageIdx);
return JoinPaths (g_RmvMedTempPath, imageFileName);
}
BOOL
pIsOurMedia (
IN PCTSTR MediaFile,
IN DWORD CheckSum,
IN UINT MediaIdx
)
{
HANDLE mediaHandle = NULL;
IMAGE_HEADER imageHeader;
BOOL result = FALSE;
mediaHandle = BfOpenReadFile (MediaFile);
if (!mediaHandle) {
return result;
}
if (BfReadFile (mediaHandle, (PBYTE)(&imageHeader), sizeof (imageHeader))) {
if ((imageHeader.Signature == RMVMEDTR_SIG) &&
(imageHeader.CheckSum == CheckSum) &&
(imageHeader.ImageNr != MediaIdx)
) {
result = TRUE;
}
}
CloseHandle (mediaHandle);
return result;
}
HANDLE
pLocalCreateFile (
IN PCTSTR FileName
)
{
HANDLE h;
h = CreateFile (
FileName,
GENERIC_READ|GENERIC_WRITE,
0,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL|FILE_FLAG_WRITE_THROUGH,
NULL
);
if (h == INVALID_HANDLE_VALUE) {
h = NULL;
}
return h;
}
BOOL
pWriteToMedia (
IN HANDLE MediaHandle,
IN PBYTE Data,
IN DWORD DataSize,
IN UINT MediaIdx,
OUT RMEDIA_ERR *Error
)
{
DWORD err;
RMEDIA_EXTRADATA extraData;
INT_PTR appReply;
RMEDIA_ERR error = RMEDIA_ERR_NOERROR;
if (!BfWriteFile (MediaHandle, Data, DataSize)) {
error = RMEDIA_ERR_GENERALERROR;
// let's see the error code
err = GetLastError ();
if (err == ERROR_DISK_FULL) {
error = RMEDIA_ERR_DISKFULL;
}
if (err == ERROR_NOT_READY) {
error = RMEDIA_ERR_NOTREADY;
}
if (Error) {
*Error = error;
}
return FALSE;
}
if (Error) {
*Error = RMEDIA_ERR_NOERROR;
}
return TRUE;
}
VOID
pWriteImageToMedia (
IN ULONGLONG TotalImageSize,
IN DWORD CheckSum,
IN OUT PUINT MediaIdx,
IN OUT PUINT ImageIdx,
IN OUT PULONGLONG ImagePtr,
OUT PULONGLONG TotalImageWritten,
OUT PRMEDIA_ERR Error,
OUT PBOOL Done
)
{
static ULONGLONG totalImageWritten = 0;
ULONGLONG imageWrittenLast = totalImageWritten;
PCTSTR imageFile = NULL;
PCTSTR mediaFile = NULL;
HANDLE imageHandle = NULL;
HANDLE mediaHandle = NULL;
IMAGE_HEADER imageHeader;
UINT mediaIdx;
UINT imageIdx;
ULONGLONG imagePtr;
ULONGLONG imageSize;
RMEDIA_ERR error = RMEDIA_ERR_NOERROR;
BOOL done = FALSE;
PBYTE memImage = NULL;
DWORD chunkSize;
ULARGE_INTEGER thisMediaMaxSize;
ULARGE_INTEGER dummy1, dummy2;
FARPROC pGetDiskFreeSpaceEx;
DWORD sectPerClust;
DWORD bytesPerSect;
DWORD freeClusters;
DWORD totalClusters;
DWORD err;
BOOL deleteFile = FALSE;
LONGLONG numerator;
LONGLONG divisor;
LONGLONG tick;
UINT delta;
mediaIdx = *MediaIdx;
imageIdx = *ImageIdx;
imagePtr = *ImagePtr;
imageFile = pGetImageFile (imageIdx);
imageSize = BfGetFileSize (imageFile);
mediaFile = JoinPaths (g_RemovableMediaPath, S_TRANSPORT_DEST_FILE);
__try {
if (!DoesFileExist (imageFile)) {
DEBUGMSG ((DBG_ERROR, "Image file does not exist: %s", imageFile));
done = TRUE;
__leave;
}
imageHandle = BfOpenReadFile (imageFile);
if (!imageHandle) {
DEBUGMSG ((DBG_ERROR, "Can't open image file %s", imageFile));
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
}
if (!BfSetFilePointer (imageHandle, imagePtr)) {
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
}
if (pIsOurMedia (mediaFile, CheckSum, mediaIdx)) {
DEBUGMSG ((DBG_ERROR, "Cannot overwrite our own file %s", mediaFile));
error = RMEDIA_ERR_USEDMEDIA;
__leave;
}
mediaHandle = BfCreateFile (mediaFile);
if (!mediaHandle) {
error = RMEDIA_ERR_GENERALERROR;
err = GetLastError ();
if (err == ERROR_ACCESS_DENIED) {
error = RMEDIA_ERR_WRONGMEDIA;
}
if (err == ERROR_WRITE_PROTECT) {
error = RMEDIA_ERR_WRITEPROTECT;
}
if (err == ERROR_NOT_READY) {
error = RMEDIA_ERR_NOTREADY;
}
DEBUGMSG ((DBG_ERROR, "Can't create media file %s", mediaFile));
__leave;
}
deleteFile = TRUE;
imageHeader.Signature = RMVMEDTR_SIG;
imageHeader.LastImage = 0;
imageHeader.ImageNr = mediaIdx;
imageHeader.CheckSum = CheckSum;
imageHeader.TotalImageSize = TotalImageSize;
if (!pWriteToMedia (mediaHandle, (PBYTE)(&imageHeader), sizeof (imageHeader), mediaIdx, &error)) {
DEBUGMSG ((DBG_ERROR, "Can't write header to media file %s", mediaFile));
__leave;
}
memImage = HeapAlloc (g_hHeap, 0, COPY_BUFFER_SIZE);
if (!memImage) {
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
}
while (TRUE) {
if (IsmCheckCancel()) {
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
}
if (imagePtr == 0) {
// let's write this image size to the file
if (!pWriteToMedia (mediaHandle, (PBYTE)(&imageSize), sizeof (imageSize), mediaIdx, &error)) {
DEBUGMSG ((DBG_ERROR, "Can't write image size to media file %s", mediaFile));
__leave;
}
}
while (imageSize > imagePtr) {
if (IsmCheckCancel()) {
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
}
chunkSize = COPY_BUFFER_SIZE;
if ((ULONGLONG)chunkSize > (imageSize - imagePtr)) {
chunkSize = (DWORD)(imageSize - imagePtr);
}
if (!BfReadFile (imageHandle, memImage, chunkSize)) {
DEBUGMSG ((DBG_ERROR, "Can't read from image file %s", imageFile));
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
}
if (!pWriteToMedia (mediaHandle, memImage, chunkSize, mediaIdx, &error)) {
// write failed, let's see if we just ran out of space
if (error == RMEDIA_ERR_DISKFULL) {
// the disk is (almost) full
// we will make an attempt to use the remaining space
// either way we do not consider this an error
done = FALSE;
mediaIdx ++;
// Find out if GetDiskFreeSpaceEx is supported
#ifdef UNICODE
pGetDiskFreeSpaceEx = GetProcAddress( GetModuleHandle (TEXT("kernel32.dll")), "GetDiskFreeSpaceExW");
#else
pGetDiskFreeSpaceEx = GetProcAddress( GetModuleHandle (TEXT("kernel32.dll")), "GetDiskFreeSpaceExA");
#endif
if (pGetDiskFreeSpaceEx) {
if (!pGetDiskFreeSpaceEx (g_RemovableMediaPath, &dummy1, &dummy2, &thisMediaMaxSize)) {
DEBUGMSG ((DBG_WHOOPS, "Can't get media free space of %s using EX routine", g_RemovableMediaPath));
__leave;
}
} else {
if (GetDiskFreeSpace (g_RemovableMediaPath, &sectPerClust, &bytesPerSect, &freeClusters, &totalClusters)) {
thisMediaMaxSize.QuadPart = Int32x32To64 ((sectPerClust * bytesPerSect), freeClusters);
} else {
DEBUGMSG ((DBG_WHOOPS, "Can't get media free space of %s", g_RemovableMediaPath));
__leave;
}
}
// regardless of the outcome of the next write we don't want to report an error
error = 0;
if (thisMediaMaxSize.LowPart < chunkSize) {
if (thisMediaMaxSize.LowPart) {
// we attempt one more write with the
// available media disk size
if (!pWriteToMedia (mediaHandle, memImage, thisMediaMaxSize.LowPart, mediaIdx, &error)) {
// this should have succeeded but...
DEBUGMSG ((DBG_WHOOPS, "Can't write the remaining free bytes. Something is wrong with GetDiskFreeSpace %s", mediaFile));
// regardless of the outcome of this write we don't want to report an error
error = 0;
__leave;
}
// let's adjust imagePtr
imagePtr += thisMediaMaxSize.LowPart;
totalImageWritten += thisMediaMaxSize.LowPart;
}
}
} else {
error = RMEDIA_ERR_GENERALERROR;
}
__leave;
} else {
imagePtr += chunkSize;
totalImageWritten += chunkSize;
}
// now update the progress bar
numerator = (LONGLONG) totalImageWritten * (LONGLONG) g_CompressedTicks;
divisor = (LONGLONG) TotalImageSize;
if (divisor) {
tick = numerator / divisor;
} else {
tick = 0;
}
delta = (UINT) tick - g_CompressedTicked;
if (delta) {
if (!IsmTickProgressBar (g_CompressedSlice, delta)) {
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
}
g_CompressedTicked += delta;
}
}
// we just finished writing the image, let's see if there is some other image out there
imageIdx ++;
CloseHandle (imageHandle);
imageHandle = NULL;
FreePathString (imageFile);
imageFile = pGetImageFile (imageIdx);
if (!DoesFileExist (imageFile)) {
imageSize = 0;
imagePtr = 0;
// let's go back and write that this is the last media
if (!BfSetFilePointer (mediaHandle, 0)) {
DEBUGMSG ((DBG_ERROR, "Can't update media file %s", mediaFile));
error = RMEDIA_ERR_GENERALERROR;
__leave;
}
imageHeader.LastImage = 1;
if (!pWriteToMedia (mediaHandle, (PBYTE)(&imageHeader), sizeof (imageHeader), mediaIdx, &error)) {
DEBUGMSG ((DBG_ERROR, "Can't update media file %s", mediaFile));
__leave;
}
done = TRUE;
__leave;
}
imageSize = BfGetFileSize (imageFile);
imagePtr = 0;
imageHandle = BfOpenReadFile (imageFile);
if (!imageHandle) {
DEBUGMSG ((DBG_ERROR, "Can't open next image file %s", imageFile));
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
}
}
}
__finally {
if (mediaHandle) {
if (error == RMEDIA_ERR_NOERROR) {
if (!FlushFileBuffers (mediaHandle)) {
error = RMEDIA_ERR_GENERALERROR;
// let's see the error code
err = GetLastError ();
if (err == ERROR_NOT_READY) {
error = RMEDIA_ERR_NOTREADY;
}
done = FALSE;
}
}
CloseHandle (mediaHandle);
mediaHandle = NULL;
}
if ((error != RMEDIA_ERR_NOERROR) &&
mediaFile &&
deleteFile
) {
DeleteFile (mediaFile);
}
if (memImage) {
HeapFree (g_hHeap, 0, memImage);
memImage = NULL;
}
if (imageHandle) {
CloseHandle (imageHandle);
imageHandle = NULL;
}
if (imageFile) {
FreePathString (imageFile);
imageFile = NULL;
}
if (mediaFile) {
FreePathString (mediaFile);
mediaFile = NULL;
}
}
if (!error) {
*MediaIdx = mediaIdx;
*ImageIdx = imageIdx;
*ImagePtr = imagePtr;
} else {
totalImageWritten = imageWrittenLast;
}
if (TotalImageWritten) {
*TotalImageWritten = totalImageWritten;
}
*Error = error;
*Done = done;
}
BOOL
pWriteAllImages (
VOID
)
{
ULONGLONG totalImageSize = 0;
ULONGLONG totalImageWritten = 0;
ULONGLONG imageSize = 0;
UINT mediaIdx = 1;
UINT imageIdx = 1;
ULONGLONG imagePtr = 0;
PCTSTR imageFile;
RMEDIA_ERR error = RMEDIA_ERR_NOERROR;
BOOL done = FALSE;
BOOL result = TRUE;
BOOL diskFull = FALSE;
INT_PTR appReply;
INT r1,r2,r3;
DWORD checkSum;
RMEDIA_EXTRADATA extraData;
// let's get the total image size for the progress bar
imageIdx = 1;
while (TRUE) {
imageFile = pGetImageFile (imageIdx);
imageSize = BfGetFileSize (imageFile);
if (imageSize == 0) {
FreePathString (imageFile);
break;
}
totalImageSize += imageSize;
FreePathString (imageFile);
imageIdx ++;
}
imageIdx = 1;
imageFile = pGetImageFile (imageIdx);
srand( GetTickCount());
r1 = rand();
r2 = rand();
r3 = rand();
checkSum = r1 + r2 * 32768 + (r3 & 3) * 1073741824;
FreePathString (imageFile);
while (!done) {
// send the proper message to the app
extraData.LastError = error;
extraData.MediaNumber = mediaIdx;
extraData.TotalImageSize = totalImageSize;
extraData.TotalImageWritten = totalImageWritten;
appReply = IsmSendMessageToApp (TRANSPORTMESSAGE_RMEDIA_SAVE, (ULONG_PTR)&extraData);
if (!appReply) {
//
// user cancelled
//
done = TRUE;
result = FALSE;
continue;
}
// write this disk and loop until we finish
pWriteImageToMedia (totalImageSize, checkSum, &mediaIdx, &imageIdx, &imagePtr, &totalImageWritten, &error, &done);
if (done) {
result = !error;
}
}
return result;
}
BOOL
WINAPI
RmvMedTransportSaveState (
VOID
)
{
MIG_APPINFO appInfo;
ERRUSER_EXTRADATA extraData;
MIG_OBJECTWITHATTRIBUTE_ENUM objEnum;
PCTSTR databaseFile = NULL;
PCTSTR decoratedObject = NULL;
MIG_CONTENT value;
PMIG_CONTENT convValue;
COMPRESS_HANDLE compressedHandle;
INT_PTR appReply;
BOOL okSave = FALSE;
TRANSCOPY_ERROR transCopyError;
#ifdef DEBUG
PCTSTR nativeObjectName;
#endif
BOOL result = FALSE;
g_RmvMedPlatform = PLATFORM_SOURCE;
__try {
ZeroMemory (&appInfo, sizeof (MIG_APPINFO));
appInfo.Phase = MIG_TRANSPORT_PHASE;
appInfo.SubPhase = SUBPHASE_PREPARING;
IsmSendMessageToApp (ISMMESSAGE_APP_INFO, (ULONG_PTR)(&appInfo));
ZeroMemory (&compressedHandle, sizeof (COMPRESS_HANDLE));
g_RmvMedTempPath = pCreateTemporaryDir ();
if (!g_RmvMedTempPath) {
extraData.Error = ERRUSER_ERROR_CANTCREATETEMPDIR;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = 0;
extraData.ObjectName = NULL;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
__leave;
}
#ifdef PRERELEASE
{
HINF debugInfHandle;
INFSTRUCT context = INITINFSTRUCT_PMHANDLE;
DWORD maxSize = 0;
debugInfHandle = InfOpenInfFile (TEXT("c:\\debug.inf"));
if (debugInfHandle && (debugInfHandle != INVALID_HANDLE_VALUE)) {
if (InfFindFirstLine (
debugInfHandle,
TEXT("RemovableMedia"),
TEXT("LimitCabSize"),
&context
)
) {
InfGetIntField (&context, 1, &maxSize);
}
InfCleanUpInfStruct (&context);
}
if (!CompressCreateHandle (g_RmvMedTempPath, S_TRANSPORT_IMG_FILE, 1, maxSize, &compressedHandle)) {
extraData.Error = ERRUSER_ERROR_CANTCREATECABFILE;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = 0;
extraData.ObjectName = NULL;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
__leave;
}
}
#else
if (!CompressCreateHandle (g_RmvMedTempPath, S_TRANSPORT_IMG_FILE, 1, 0, &compressedHandle)) {
extraData.Error = ERRUSER_ERROR_CANTCREATECABFILE;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = 0;
extraData.ObjectName = NULL;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
__leave;
}
#endif
//
// Enumerate all persistent objects
//
if (IsmEnumFirstPersistentObject (&objEnum)) {
do {
//
// For each object to be saved, do the appropriate
// data copy action
//
if (IsmCheckCancel()) {
__leave;
}
#ifdef DEBUG
nativeObjectName = IsmGetNativeObjectName (objEnum.ObjectTypeId, objEnum.ObjectName);
DEBUGMSG ((DBG_RMVMED, "Transporting: %s", nativeObjectName));
IsmReleaseMemory (nativeObjectName);
#endif
okSave = FALSE;
while (!okSave) {
if (!IsmAcquireObjectEx (
objEnum.ObjectTypeId,
objEnum.ObjectName,
&value,
CONTENTTYPE_ANY,
0
)) {
transCopyError.ObjectType = IsmGetObjectTypeName (objEnum.ObjectTypeId);
transCopyError.ObjectName = IsmGetNativeObjectName (objEnum.ObjectTypeId, objEnum.ObjectName);
transCopyError.Error = GetLastError ();
if (IsmIsNonCriticalObject (objEnum.ObjectTypeId, objEnum.ObjectName)) {
appReply = APPRESPONSE_IGNORE;
} else {
appReply = IsmSendMessageToApp (TRANSPORTMESSAGE_SRC_COPY_ERROR, (ULONG_PTR)&transCopyError);
if ((appReply == APPRESPONSE_NONE) ||
(appReply == APPRESPONSE_FAIL)
) {
LOG ((LOG_ERROR, (PCSTR) MSG_CANT_COPYSOURCE, transCopyError.ObjectName));
IsmReleaseMemory (transCopyError.ObjectName);
extraData.Error = ERRUSER_ERROR_CANTSAVEOBJECT;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = objEnum.ObjectTypeId;
extraData.ObjectName = objEnum.ObjectName;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
IsmAbortPersistentObjectEnum (&objEnum);
__leave;
}
}
if (appReply == APPRESPONSE_IGNORE) {
LOG ((LOG_WARNING, (PCSTR) MSG_IGNORE_COPYSOURCE, transCopyError.ObjectName));
IsmReleaseMemory (transCopyError.ObjectName);
extraData.Error = ERRUSER_ERROR_CANTSAVEOBJECT;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = objEnum.ObjectTypeId;
extraData.ObjectName = objEnum.ObjectName;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYWARNING, (ULONG_PTR)(&extraData));
break;
}
IsmReleaseMemory (transCopyError.ObjectName);
continue;
}
okSave = TRUE;
}
if (okSave) {
#ifdef UNICODE
convValue = &value;
#else
// now let's convert this object content to UNICODE
convValue = IsmConvertObjectContentToUnicode (objEnum.ObjectTypeId, objEnum.ObjectName, &value);
if (!convValue) {
convValue = &value;
}
#endif
decoratedObject = pBuildDecoratedObject (objEnum.ObjectTypeId, objEnum.ObjectName);
ZeroMemory (&appInfo, sizeof (MIG_APPINFO));
appInfo.Phase = MIG_TRANSPORT_PHASE;
appInfo.SubPhase = SUBPHASE_COMPRESSING;
appInfo.ObjectTypeId = (objEnum.ObjectTypeId & (~PLATFORM_MASK));
appInfo.ObjectName = objEnum.ObjectName;
IsmSendMessageToApp (ISMMESSAGE_APP_INFO, (ULONG_PTR)(&appInfo));
if (convValue->ContentInFile) {
okSave = FALSE;
while (!okSave) {
if (!pSaveContentInFile (objEnum.ObjectTypeId, objEnum.ObjectName, decoratedObject, convValue, &compressedHandle)) {
if (GetLastError () == ERROR_DISK_FULL) {
// we just failed because we don't have enough space on the destination
// path. Let's tell that to the user
extraData.Error = ERRUSER_ERROR_CANTCREATECABFILE;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = 0;
extraData.ObjectName = NULL;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
__leave;
}
transCopyError.ObjectType = IsmGetObjectTypeName (objEnum.ObjectTypeId);
transCopyError.ObjectName = IsmGetNativeObjectName (objEnum.ObjectTypeId, objEnum.ObjectName);
transCopyError.Error = GetLastError ();
if (IsmIsNonCriticalObject (objEnum.ObjectTypeId, objEnum.ObjectName)) {
appReply = APPRESPONSE_IGNORE;
} else {
appReply = IsmSendMessageToApp (TRANSPORTMESSAGE_SRC_COPY_ERROR, (ULONG_PTR)&transCopyError);
if ((appReply == APPRESPONSE_NONE) ||
(appReply == APPRESPONSE_FAIL)
) {
LOG ((LOG_ERROR, (PCSTR) MSG_CANT_COPYSOURCE, transCopyError.ObjectName));
IsmReleaseMemory (transCopyError.ObjectName);
extraData.Error = ERRUSER_ERROR_CANTSAVEOBJECT;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = objEnum.ObjectTypeId;
extraData.ObjectName = objEnum.ObjectName;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
IsmAbortPersistentObjectEnum (&objEnum);
__leave;
}
}
if (appReply == APPRESPONSE_IGNORE) {
LOG ((LOG_WARNING, (PCSTR) MSG_IGNORE_COPYSOURCE, transCopyError.ObjectName));
IsmReleaseMemory (transCopyError.ObjectName);
extraData.Error = ERRUSER_ERROR_CANTSAVEOBJECT;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = objEnum.ObjectTypeId;
extraData.ObjectName = objEnum.ObjectName;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYWARNING, (ULONG_PTR)(&extraData));
break;
}
IsmReleaseMemory (transCopyError.ObjectName);
continue;
}
okSave = TRUE;
}
} else {
okSave = FALSE;
while (!okSave) {
if (!pSaveContentInMemory (objEnum.ObjectTypeId, objEnum.ObjectName, decoratedObject, convValue)) {
if (GetLastError () == ERROR_DISK_FULL) {
// we just failed because we don't have enough space on the destination
// path. Let's tell that to the user
extraData.Error = ERRUSER_ERROR_CANTCREATECABFILE;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = 0;
extraData.ObjectName = NULL;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
__leave;
}
transCopyError.ObjectType = IsmGetObjectTypeName (objEnum.ObjectTypeId);
transCopyError.ObjectName = IsmGetNativeObjectName (objEnum.ObjectTypeId, objEnum.ObjectName);
transCopyError.Error = GetLastError ();
if (IsmIsNonCriticalObject (objEnum.ObjectTypeId, objEnum.ObjectName)) {
appReply = APPRESPONSE_IGNORE;
} else {
appReply = IsmSendMessageToApp (TRANSPORTMESSAGE_SRC_COPY_ERROR, (ULONG_PTR)&transCopyError);
if ((appReply == APPRESPONSE_NONE) ||
(appReply == APPRESPONSE_FAIL)
) {
LOG ((LOG_ERROR, (PCSTR) MSG_CANT_COPYSOURCE, transCopyError.ObjectName));
IsmReleaseMemory (transCopyError.ObjectName);
extraData.Error = ERRUSER_ERROR_CANTSAVEOBJECT;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = objEnum.ObjectTypeId;
extraData.ObjectName = objEnum.ObjectName;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
IsmAbortPersistentObjectEnum (&objEnum);
__leave;
}
}
if (appReply == APPRESPONSE_IGNORE) {
LOG ((LOG_WARNING, (PCSTR) MSG_IGNORE_COPYSOURCE, transCopyError.ObjectName));
IsmReleaseMemory (transCopyError.ObjectName);
extraData.Error = ERRUSER_ERROR_CANTSAVEOBJECT;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = objEnum.ObjectTypeId;
extraData.ObjectName = objEnum.ObjectName;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYWARNING, (ULONG_PTR)(&extraData));
break;
}
IsmReleaseMemory (transCopyError.ObjectName);
continue;
}
okSave = TRUE;
}
}
#ifndef UNICODE
if (convValue != (&value)) {
IsmFreeConvertedObjectContent (objEnum.ObjectTypeId, convValue);
}
#endif
IsmReleaseObject (&value);
pDestroyDecoratedObject (decoratedObject);
decoratedObject = NULL;
}
IsmTickProgressBar (g_PersistentSlice, 1);
if (IsmCheckCancel()) {
__leave;
}
} while (IsmEnumNextPersistentObject (&objEnum));
IsmAbortPersistentObjectEnum (&objEnum);
}
if (IsmCheckCancel()) {
__leave;
}
databaseFile = JoinPaths (g_RmvMedTempPath, S_TRANSPORT_DAT_FILE);
if (!MemDbSave (databaseFile)) {
extraData.Error = ERRUSER_ERROR_CANTSAVEINTERNALDATA;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = 0;
extraData.ObjectName = NULL;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
__leave;
}
IsmTickProgressBar (g_DatabaseSlice, 1);
if (IsmCheckCancel()) {
__leave;
}
if (!pAddFileToImage (databaseFile, S_TRANSPORT_DAT_FILE, &compressedHandle)) {
extraData.Error = ERRUSER_ERROR_CANTSAVEINTERNALDATA;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = 0;
extraData.ObjectName = NULL;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
__leave;
}
IsmTickProgressBar (g_DatabaseSlice, 1);
FreePathString (databaseFile);
databaseFile = NULL;
if (!CompressFlushAndCloseHandle (&compressedHandle)) {
extraData.Error = ERRUSER_ERROR_CANTCREATECABFILE;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = 0;
extraData.ObjectName = NULL;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
__leave;
}
IsmTickProgressBar (g_DatabaseSlice, 1);
if (IsmCheckCancel()) {
__leave;
}
ZeroMemory (&appInfo, sizeof (MIG_APPINFO));
appInfo.Phase = MIG_TRANSPORT_PHASE;
appInfo.SubPhase = SUBPHASE_MEDIAWRITING;
IsmSendMessageToApp (ISMMESSAGE_APP_INFO, (ULONG_PTR)(&appInfo));
if (!pWriteAllImages ()) {
extraData.Error = ERRUSER_ERROR_CANTWRITETODESTPATH;
extraData.ErrorArea = ERRUSER_AREA_SAVE;
extraData.ObjectTypeId = 0;
extraData.ObjectName = NULL;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
__leave;
}
result = TRUE;
}
__finally {
PushError ();
CompressCleanupHandle (&compressedHandle);
if (databaseFile) {
FreePathString (databaseFile);
databaseFile = NULL;
}
PopError ();
}
PushError ();
pCleanupTempDir ();
PopError ();
return result;
}
VOID
pReadImageFromMedia (
IN PDWORD CheckSum,
IN OUT PUINT MediaIdx,
IN OUT PUINT ImageIdx,
IN OUT PULONGLONG ImageRemaining,
OUT PRMEDIA_ERR Error,
OUT PBOOL Done
)
{
static ULONGLONG totalImageSize = 0;
static ULONGLONG totalImageRead = 0;
ULONGLONG imageReadLast = totalImageRead;
PCTSTR imageFile = NULL;
PCTSTR mediaFile = NULL;
HANDLE imageHandle = NULL;
HANDLE mediaHandle = NULL;
IMAGE_HEADER imageHeader;
DWORD checkSum;
UINT mediaIdx;
UINT imageIdx;
ULONGLONG imageRemaining;
ULONGLONG imageSize;
RMEDIA_ERR error = RMEDIA_ERR_NOERROR;
RMEDIA_EXTRADATA extraData;
INT_PTR appReply;
BOOL done = FALSE;
PBYTE memImage = NULL;
DWORD chunkSize;
DWORD bytesRead;
LONGLONG numerator;
LONGLONG divisor;
LONGLONG tick;
UINT delta;
DWORD err;
checkSum = *CheckSum;
mediaIdx = *MediaIdx;
imageIdx = *ImageIdx;
imageRemaining = *ImageRemaining;
mediaFile = JoinPaths (g_RemovableMediaPath, S_TRANSPORT_DEST_FILE);
__try {
mediaHandle = BfOpenReadFile (mediaFile);
if (!mediaHandle) {
error = RMEDIA_ERR_WRONGMEDIA;
err = GetLastError ();
if (err == ERROR_NOT_READY) {
error = RMEDIA_ERR_NOTREADY;
}
DEBUGMSG ((DBG_ERROR, "Can't create media file %s", mediaFile));
__leave;
}
imageFile = pGetImageFile (imageIdx);
if (DoesFileExist (imageFile)) {
imageSize = BfGetFileSize (imageFile);
imageHandle = BfOpenFile (imageFile);
} else {
imageSize = 0;
imageHandle = BfCreateFile (imageFile);
}
if (!imageHandle) {
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
}
if (!BfSetFilePointer (imageHandle, imageSize)) {
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
}
if (!BfReadFile (mediaHandle, (PBYTE)(&imageHeader), sizeof (imageHeader))) {
error = RMEDIA_ERR_WRONGMEDIA;
err = GetLastError ();
if (err == ERROR_NOT_READY) {
error = RMEDIA_ERR_NOTREADY;
}
__leave;
}
if (imageHeader.Signature != RMVMEDTR_SIG) {
if ((imageHeader.Signature != RMVMEDTR_OLDSIG1) &&
(imageHeader.Signature != RMVMEDTR_OLDSIG2)
) {
error = RMEDIA_ERR_WRONGMEDIA;
__leave;
}
error = RMEDIA_ERR_OLDMEDIA;
__leave;
}
if (imageHeader.ImageNr != mediaIdx) {
error = RMEDIA_ERR_WRONGMEDIA;
__leave;
}
if (checkSum) {
if (checkSum != imageHeader.CheckSum) {
error = RMEDIA_ERR_WRONGMEDIA;
__leave;
}
} else {
checkSum = imageHeader.CheckSum;
}
totalImageSize = imageHeader.TotalImageSize;
memImage = HeapAlloc (g_hHeap, 0, COPY_BUFFER_SIZE);
if (!memImage) {
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
}
while (TRUE) {
if (IsmCheckCancel()) {
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
}
if (imageRemaining == 0) {
// let's read this image size to the file
if (!BfReadFile (mediaHandle, (PBYTE)(&imageRemaining), sizeof (imageRemaining))) {
error = RMEDIA_ERR_GENERALERROR;
err = GetLastError ();
if (err == ERROR_NOT_READY) {
error = RMEDIA_ERR_NOTREADY;
}
__leave;
}
}
while (imageRemaining) {
if (IsmCheckCancel()) {
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
}
chunkSize = COPY_BUFFER_SIZE;
if ((ULONGLONG)chunkSize > imageRemaining) {
chunkSize = (DWORD)(imageRemaining);
}
while (TRUE) {
if (!ReadFile (mediaHandle, memImage, chunkSize, &bytesRead, NULL)) {
// let's see the error code
err = GetLastError ();
if (err == ERROR_NOT_READY) {
error = RMEDIA_ERR_NOTREADY;
extraData.LastError = error;
extraData.MediaNumber = mediaIdx;
extraData.TotalImageSize = 0;
extraData.TotalImageWritten = 0;
appReply = IsmSendMessageToApp (TRANSPORTMESSAGE_RMEDIA_LOAD, (ULONG_PTR)&extraData);
if (!appReply) {
//
// user cancelled
//
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
} else {
error = RMEDIA_ERR_NOERROR;
continue;
}
}
// read failed, major problem, exiting
error = RMEDIA_ERR_GENERALERROR;
__leave;
} else {
break;
}
}
if (!BfWriteFile (imageHandle, memImage, bytesRead)) {
// major problem, exiting
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
}
imageRemaining -= bytesRead;
totalImageRead += bytesRead;
// now update the progress bar
numerator = (LONGLONG) totalImageRead * (LONGLONG) g_DownloadTicks;
divisor = (LONGLONG) totalImageSize;
if (divisor) {
tick = numerator / divisor;
} else {
tick = 0;
}
delta = (UINT) tick - g_DownloadTicked;
if (delta) {
if (!IsmTickProgressBar (g_DownloadSlice, delta)) {
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
}
g_DownloadTicked += delta;
}
if (bytesRead != chunkSize) {
// our media image is done, let's get the new one
mediaIdx ++;
done = FALSE;
__leave;
}
}
// we just finished reading the image, let's see if there is some other image out there
// let's read this image size to the file
if (!BfReadFile (mediaHandle, (PBYTE)(&imageRemaining), sizeof (imageRemaining))) {
if (imageHeader.LastImage) {
done = TRUE;
} else {
error = RMEDIA_ERR_GENERALERROR;
err = GetLastError ();
if (err == ERROR_NOT_READY) {
error = RMEDIA_ERR_NOTREADY;
}
}
__leave;
}
CloseHandle (imageHandle);
FreePathString (imageFile);
imageIdx ++;
imageFile = pGetImageFile (imageIdx);
imageHandle = BfCreateFile (imageFile);
if (!imageHandle) {
error = RMEDIA_ERR_CRITICAL;
done = TRUE;
__leave;
}
}
}
__finally {
if (memImage) {
HeapFree (g_hHeap, 0, memImage);
memImage = NULL;
}
if (imageHandle) {
CloseHandle (imageHandle);
imageHandle = NULL;
}
if (imageFile) {
FreePathString (imageFile);
imageFile = NULL;
}
if (mediaHandle) {
CloseHandle (mediaHandle);
mediaHandle = NULL;
}
if (mediaFile) {
FreePathString (mediaFile);
mediaFile = NULL;
}
}
if (!error) {
*CheckSum = checkSum;
*MediaIdx = mediaIdx;
*ImageIdx = imageIdx;
*ImageRemaining = imageRemaining;
} else {
totalImageRead = imageReadLast;
}
*Error = error;
*Done = done;
}
BOOL
pReadAllImages (
VOID
)
{
UINT mediaIdx = 1;
UINT imageIdx = 1;
ULONGLONG imageRemaining = 0;
RMEDIA_ERR error = RMEDIA_ERR_NOERROR;
BOOL done = FALSE;
BOOL result = TRUE;
INT_PTR appReply;
DWORD checkSum = 0;
RMEDIA_EXTRADATA extraData;
while (!done) {
// send the proper message to the app
if (error == RMEDIA_ERR_OLDMEDIA) {
PushError ();
appReply = IsmSendMessageToApp (TRANSPORTMESSAGE_OLD_STORAGE, 0);
PopError ();
} else {
extraData.LastError = error;
extraData.MediaNumber = mediaIdx;
extraData.TotalImageSize = 0;
extraData.TotalImageWritten = 0;
PushError ();
appReply = IsmSendMessageToApp (TRANSPORTMESSAGE_RMEDIA_LOAD, (ULONG_PTR)&extraData);
PopError ();
}
if (!appReply) {
//
// user cancelled
//
done = TRUE;
result = FALSE;
continue;
}
pReadImageFromMedia (&checkSum, &mediaIdx, &imageIdx, &imageRemaining, &error, &done);
if (done) {
result = !error;
}
}
return result;
}
PCTSTR
pRmvMedGetNewFileName (
IN PCTSTR FileName
)
{
PCTSTR newFileName = NULL;
PTSTR tempPtr1 = NULL;
PCTSTR endStr1 = NULL;
PCTSTR tempPtr2 = NULL;
PCTSTR endStr2 = NULL;
INT i;
// let's modify the file to extract. The file name will
// be split in 2 after the first 5 characters
newFileName = DuplicatePathString (FileName, 1);
if (!newFileName) {
return NULL;
}
tempPtr1 = (PTSTR) GetFileNameFromPath (newFileName);
if (!tempPtr1) {
FreePathString (newFileName);
return NULL;
}
endStr1 = GetEndOfString (newFileName);
if (!endStr1) {
FreePathString (newFileName);
return NULL;
}
tempPtr2 = GetFileNameFromPath (FileName);
if (!tempPtr2) {
FreePathString (newFileName);
return NULL;
}
endStr2 = GetEndOfString (FileName);
if (!endStr2) {
FreePathString (newFileName);
return NULL;
}
for (i = 0; i < 5; i ++) {
tempPtr1 = _tcsinc (tempPtr1);
tempPtr2 = _tcsinc (tempPtr2);
}
if ((tempPtr1 < endStr1) &&
(tempPtr2 < endStr2)
) {
StringCopy (tempPtr1, TEXT("\\"));
tempPtr1 = _tcsinc (tempPtr1);
StringCopy (tempPtr1, tempPtr2);
} else {
FreePathString (newFileName);
newFileName = NULL;
}
return newFileName;
}
BOOL
pRmvMedCallback (
IN PCTSTR FileToExtract,
IN LONGLONG FileSize,
OUT PBOOL ExtractFile,
IN OUT PCTSTR *NewFileName
)
{
LONGLONG numerator;
LONGLONG divisor;
LONGLONG tick;
UINT delta;
if (NewFileName) {
*NewFileName = pRmvMedGetNewFileName (FileToExtract);
}
g_FilesRead ++;
// now update the progress bar
numerator = (LONGLONG) g_FilesRead * (LONGLONG) g_UncompressTicks;
divisor = (LONGLONG) g_TotalFiles;
if (divisor) {
tick = numerator / divisor;
} else {
tick = 0;
}
delta = (UINT) tick - g_UncompressTicked;
if (delta) {
IsmTickProgressBar (g_UncompressSlice, delta);
g_UncompressTicked += delta;
}
if (ExtractFile) {
*ExtractFile = TRUE;
}
return (!IsmCheckCancel());
}
BOOL
pUnpackAllFiles (
VOID
)
{
COMPRESS_HANDLE compressedHandle;
BOOL result = FALSE;
if (CompressOpenHandle (g_RmvMedTempPath, S_TRANSPORT_IMG_FILE, 1, &compressedHandle)) {
g_TotalFiles = compressedHandle.FilesStored;
if (CompressExtractAllFiles (g_RmvMedTempPath, &compressedHandle, pRmvMedCallback)) {
result = TRUE;
}
CompressCleanupHandle (&compressedHandle);
}
return result;
}
BOOL
WINAPI
RmvMedTransportBeginApply (
VOID
)
{
MIG_APPINFO appInfo;
ERRUSER_EXTRADATA extraData;
PCTSTR imageFile = NULL;
PCTSTR newImageFile = NULL;
BOOL result = FALSE;
g_RmvMedPlatform = PLATFORM_DESTINATION;
ZeroMemory (&extraData, sizeof (ERRUSER_EXTRADATA));
extraData.Error = ERRUSER_ERROR_UNKNOWN;
__try {
g_RmvMedTempPath = pCreateTemporaryDir ();
if (!g_RmvMedTempPath) {
extraData.Error = ERRUSER_ERROR_CANTCREATETEMPDIR;
__leave;
}
if (!pReadAllImages ()) {
if (GetLastError () == ERROR_DISK_FULL) {
extraData.Error = ERRUSER_ERROR_DISKSPACE;
} else {
extraData.Error = ERRUSER_ERROR_CANTREADIMAGE;
}
__leave;
}
ZeroMemory (&appInfo, sizeof (MIG_APPINFO));
appInfo.Phase = MIG_TRANSPORT_PHASE;
appInfo.SubPhase = SUBPHASE_UNCOMPRESSING;
IsmSendMessageToApp (ISMMESSAGE_APP_INFO, (ULONG_PTR)(&appInfo));
if (!pUnpackAllFiles ()) {
extraData.Error = ERRUSER_ERROR_CANTUNPACKIMAGE;
__leave;
}
newImageFile = pRmvMedGetNewFileName (S_TRANSPORT_DAT_FILE);
imageFile = JoinPaths (g_RmvMedTempPath, newImageFile?newImageFile:S_TRANSPORT_DAT_FILE);
if (newImageFile) {
FreePathString (newImageFile);
newImageFile = NULL;
}
if (!MemDbLoad (imageFile)) {
extraData.Error = ERRUSER_ERROR_CANTREADIMAGE;
__leave;
}
result = TRUE;
}
__finally {
if (imageFile) {
FreePathString (imageFile);
imageFile = NULL;
}
}
if (!result) {
extraData.ErrorArea = ERRUSER_AREA_LOAD;
IsmSendMessageToApp (MODULEMESSAGE_DISPLAYERROR, (ULONG_PTR)(&extraData));
}
return result;
}
VOID
WINAPI
RmvMedTransportEndApply (
VOID
)
{
MYASSERT (g_RmvMedPlatform == PLATFORM_DESTINATION);
pCleanupTempDir ();
}
BOOL
WINAPI
RmvMedTransportAcquireObject (
IN MIG_OBJECTTYPEID ObjectTypeId,
IN MIG_OBJECTSTRINGHANDLE ObjectName,
OUT PMIG_CONTENT ObjectContent, CALLER_INITIALIZED
IN MIG_CONTENTTYPE ContentType,
IN UINT MemoryContentLimit
)
{
UINT value;
PCBYTE memValue;
UINT memValueSize;
PCTSTR fileValue = NULL;
PCTSTR newFileValue = NULL;
BOOL valueInFile;
KEYHANDLE keyHandle;
PALLOCSTATE allocState;
PCTSTR detailsKey = NULL;
PBYTE details;
UINT detailsSize;
PCTSTR sourceFile;
PCTSTR decoratedObject = NULL;
HANDLE fileHandle;
BOOL result = FALSE;
if (!ObjectContent) {
return FALSE;
}
MYASSERT (g_RmvMedPlatform == PLATFORM_DESTINATION);
MYASSERT ((ObjectTypeId & PLATFORM_MASK) == PLATFORM_SOURCE);
decoratedObject = pBuildDecoratedObject (ObjectTypeId, ObjectName);
allocState = (PALLOCSTATE) MemAllocZeroed (sizeof (ALLOCSTATE));
if (MemDbGetValue (decoratedObject, &value)) {
if (value == TRFLAG_FILE) {
valueInFile = TRUE;
keyHandle = MemDbGetSingleLinkage (decoratedObject, 0, 0);
if (keyHandle) {
fileValue = MemDbGetKeyFromHandle (keyHandle, 0);
newFileValue = pRmvMedGetNewFileName (fileValue);
result = fileValue != NULL;
} else {
fileValue = NULL;
result = TRUE;
}
} else if (value == TRFLAG_MEMORY) {
valueInFile = FALSE;
memValueSize = 0;
memValue = MemDbGetUnorderedBlob (decoratedObject, 0, &memValueSize);
result = TRUE;
} else {
LOG ((LOG_ERROR, (PCSTR) MSG_UNSUPPORTED_DATA, value));
SetLastError (ERROR_RESOURCE_NAME_NOT_FOUND);
}
if (result) {
result = FALSE;
if (valueInFile) {
if ((ContentType == CONTENTTYPE_ANY) ||
(ContentType == CONTENTTYPE_FILE) ||
(ContentType == CONTENTTYPE_DETAILS_ONLY)
) {
// this is stored as a file and it's wanted as a file
ObjectContent->ObjectTypeId = ObjectTypeId;
ObjectContent->ContentInFile = TRUE;
if (fileValue) {
ObjectContent->FileContent.ContentPath = JoinPaths (g_RmvMedTempPath, newFileValue?newFileValue:fileValue);
ObjectContent->FileContent.ContentSize = BfGetFileSize (ObjectContent->FileContent.ContentPath);
} else {
ObjectContent->FileContent.ContentSize = 0;
ObjectContent->FileContent.ContentPath = NULL;
}
result = TRUE;
} else {
// this is stored as a file and it's wanted as memory
ObjectContent->ObjectTypeId = ObjectTypeId;
ObjectContent->ContentInFile = FALSE;
if (fileValue) {
sourceFile = JoinPaths (g_RmvMedTempPath, newFileValue?newFileValue:fileValue);
ObjectContent->MemoryContent.ContentSize = (UINT) BfGetFileSize (sourceFile);
ObjectContent->MemoryContent.ContentBytes = MapFileIntoMemory (
sourceFile,
&allocState->FileHandle,
&allocState->MapHandle
);
FreePathString (sourceFile);
result = (ObjectContent->MemoryContent.ContentBytes != NULL);
} else {
ObjectContent->MemoryContent.ContentSize = 0;
ObjectContent->MemoryContent.ContentBytes = NULL;
result = TRUE;
}
}
if (newFileValue) {
FreePathString (newFileValue);
newFileValue = NULL;
}
if (fileValue) {
MemDbReleaseMemory (fileValue);
fileValue = NULL;
}
} else {
if ((ContentType == CONTENTTYPE_ANY) ||
(ContentType == CONTENTTYPE_MEMORY) ||
(ContentType == CONTENTTYPE_DETAILS_ONLY)
) {
// this is stored as memory and it's wanted as memory
ObjectContent->ObjectTypeId = ObjectTypeId;
ObjectContent->ContentInFile = FALSE;
ObjectContent->MemoryContent.ContentSize = memValueSize;
ObjectContent->MemoryContent.ContentBytes = memValue;
result = TRUE;
} else {
// this is stored as memory and it's wanted as a file
if (memValue) {
if (IsmGetTempFile (allocState->TempFile, ARRAYSIZE(allocState->TempFile))) {
fileHandle = BfCreateFile (allocState->TempFile);
if (fileHandle) {
if (BfWriteFile (fileHandle, memValue, memValueSize)) {
ObjectContent->ObjectTypeId = ObjectTypeId;
ObjectContent->ContentInFile = TRUE;
ObjectContent->FileContent.ContentSize = memValueSize;
ObjectContent->FileContent.ContentPath = DuplicatePathString (allocState->TempFile, 0);
result = TRUE;
}
CloseHandle (fileHandle);
}
}
MemDbReleaseMemory (memValue);
} else {
ObjectContent->ObjectTypeId = ObjectTypeId;
ObjectContent->ContentInFile = TRUE;
ObjectContent->FileContent.ContentSize = 0;
ObjectContent->FileContent.ContentPath = NULL;
}
}
}
}
} else {
SetLastError (ERROR_RESOURCE_NAME_NOT_FOUND);
}
if (result) {
//
// Fill the details
//
detailsKey = JoinText (S_DETAILS_PREFIX, decoratedObject);
details = MemDbGetUnorderedBlob (detailsKey, 0, &detailsSize);
if (!details) {
detailsSize = 0;
}
allocState->DetailsPtr = details;
ObjectContent->Details.DetailsSize = detailsSize;
ObjectContent->Details.DetailsData = details;
FreeText (detailsKey);
ObjectContent->TransHandle = allocState;
}
if (!result) {
FreeAlloc (allocState);
}
FreePathString (decoratedObject);
return result;
}
BOOL
WINAPI
RmvMedTransportReleaseObject (
IN OUT PMIG_CONTENT ObjectContent
)
{
PALLOCSTATE allocState;
MYASSERT (g_RmvMedPlatform == PLATFORM_DESTINATION);
allocState = (PALLOCSTATE) ObjectContent->TransHandle;
if (ObjectContent->ContentInFile) {
FreePathString (ObjectContent->FileContent.ContentPath);
if (allocState && allocState->TempFile[0]) {
DeleteFile (allocState->TempFile);
}
} else {
if (allocState && allocState->FileHandle && allocState->MapHandle) {
UnmapFile (
ObjectContent->MemoryContent.ContentBytes,
allocState->MapHandle,
allocState->FileHandle
);
} else {
MemDbReleaseMemory (ObjectContent->MemoryContent.ContentBytes);
}
}
if (allocState && allocState->DetailsPtr) {
MemDbReleaseMemory (allocState->DetailsPtr);
}
FreeAlloc (allocState);
return TRUE;
}