示例#1
0
status_t
PathHandler::_RemoveDirectory(BEntry& entry, ino_t directoryNode)
{
	node_ref nodeRef;
	status_t status = entry.GetNodeRef(&nodeRef);
	if (status != B_OK)
		return status;

	return _RemoveDirectory(nodeRef, directoryNode);
}
示例#2
0
void
PathHandler::_EntryRemoved(BMessage* message)
{
	node_ref nodeRef;
	uint64 directoryNode;
	if (message->FindInt32("device", &nodeRef.device) != B_OK
		|| message->FindInt64("directory", (int64 *)&directoryNode) != B_OK
		|| message->FindInt64("node", &nodeRef.node) != B_OK)
		return;

	bool contained;
	if (_HasDirectory(nodeRef, &contained)) {
		// the directory has been removed, so we remove it as well
		_RemoveDirectory(nodeRef, directoryNode);
		if (contained && !_WatchFilesOnly()) {
			message->AddBool("removed", true);
			_NotifyTarget(message, nodeRef);
		}
	} else if (_HasFile(nodeRef)) {
		message->AddBool("removed", true);
		_NotifyTarget(message, nodeRef);
		_RemoveFile(nodeRef);
	}
}
示例#3
0
文件: FAT32.C 项目: bladely/HelloX_OS
//Implementation of DeviceCtrl routine.
static DWORD FatDeviceCtrl(__COMMON_OBJECT* lpDrv,__COMMON_OBJECT* lpDev, __DRCB* lpDrcb)
{
    __COMMON_OBJECT*       pFindHandle = NULL;

    if((NULL == lpDev) || (NULL == lpDrcb))  //Invalid parameters.
    {
        goto __TERMINAL;
    }
    //Dispatch the request to appropriate routines according to control command.
    switch(lpDrcb->dwCtrlCommand)
    {
    case IOCONTROL_FS_CHECKPARTITION:
        return CheckPartition(lpDev,(__COMMON_OBJECT*)lpDrcb->lpInputBuffer) ? 1 : 0;
    case IOCONTROL_FS_FINDFIRSTFILE:
        pFindHandle = _fat32FindFirstFile((__COMMON_OBJECT*)lpDev,
                                          (CHAR*)lpDrcb->dwExtraParam1,
                                          (FS_FIND_DATA*)lpDrcb->dwExtraParam2);
        if(NULL == pFindHandle)  //Can not start the iterate.
        {
            return 0;
        }
        lpDrcb->lpOutputBuffer = (LPVOID)pFindHandle;
        return 1;
    case IOCONTROL_FS_FINDNEXTFILE:
        return _FindNextFile((__COMMON_OBJECT*)lpDev,
                             (__COMMON_OBJECT*)lpDrcb->lpInputBuffer,
                             (FS_FIND_DATA*)lpDrcb->dwExtraParam2) ? 1 : 0;
    case IOCONTROL_FS_FINDCLOSE:
        _fat32FindClose((__COMMON_OBJECT*)lpDev,
                        (__COMMON_OBJECT*)lpDrcb->lpInputBuffer);
        break;
    case IOCONTROL_FS_CREATEDIR:
        if(_CreateDirectory(lpDev,
                            (LPSTR)lpDrcb->lpInputBuffer,
                            0))
        {
            lpDrcb->dwStatus = DRCB_STATUS_SUCCESS;
            return 1;
        }
        else
        {
            lpDrcb->dwStatus = DRCB_STATUS_FAIL;
            return 0;
        }
        break;
    case IOCONTROL_FS_GETFILEATTR:
        lpDrcb->dwExtraParam2 = _fat32GetFileAttributes(
                                    lpDev,
                                    (LPCTSTR)lpDrcb->dwExtraParam1);
        lpDrcb->dwStatus = DRCB_STATUS_SUCCESS;
        return 1;
        break;
    case IOCONTROL_FS_DELETEFILE:
        if(_fat32DeleteFile(lpDev,
                            (LPSTR)lpDrcb->lpInputBuffer))
        {
            lpDrcb->dwStatus = DRCB_STATUS_SUCCESS;
            return 1;
        }
        else
        {
            lpDrcb->dwStatus = DRCB_STATUS_FAIL;
            return 0;
        }
        break;
    case IOCONTROL_FS_REMOVEDIR:
        if(_RemoveDirectory(lpDev,
                            (LPSTR)lpDrcb->lpInputBuffer))
        {
            lpDrcb->dwStatus = DRCB_STATUS_SUCCESS;
            return 1;
        }
        else
        {
            lpDrcb->dwStatus = DRCB_STATUS_FAIL;
            return 0;
        }
        break;
    case IOCONTROL_FS_SETENDFILE:
    {
        if(_SetEndOfFile(lpDev))
        {
            lpDrcb->dwStatus = DRCB_STATUS_SUCCESS;
            return 1;
        }
        else
        {
            lpDrcb->dwStatus = DRCB_STATUS_FAIL;
            return 0;
        }
    }
    break;
    default:
        break;
    }

__TERMINAL:
    return 0;
}
示例#4
0
void
PathHandler::_EntryMoved(BMessage* message)
{
	// has the entry been moved into a monitored directory or has
	// it been removed from one?
	const char* name;
	node_ref nodeRef;
	uint64 fromNode;
	uint64 node;
	if (message->FindInt32("device", &nodeRef.device) != B_OK
		|| message->FindInt64("to directory", &nodeRef.node) != B_OK
		|| message->FindInt64("from directory", (int64 *)&fromNode) != B_OK
		|| message->FindInt64("node", (int64 *)&node) != B_OK
		|| message->FindString("name", &name) != B_OK)
		return;

	BEntry entry;
	if (set_entry(nodeRef, name, entry) != B_OK)
		return;

	bool entryContained = _IsContained(entry);
	bool wasAdded = false;
	bool wasRemoved = false;
	bool notify = false;

	bool parentContained;
	if (_HasDirectory(nodeRef, &parentContained)) {
		// something has been added to our watched directories

		nodeRef.node = node;
		TRACE("    ADDED TO PARENT (%d), has entry %d/%d, entry %d %d\n",
			parentContained, _HasDirectory(nodeRef), _HasFile(nodeRef),
			entryContained, _CloserToPath(entry));

		if (entry.IsDirectory()) {
			if (!_HasDirectory(nodeRef)
				&& (entryContained || _CloserToPath(entry))) {
				// there is a new directory to watch for us
				if (entryContained
					|| (parentContained && !_WatchRecursively())) {
					_AddDirectory(entry, true);
					// NOTE: entry is toast now!
				} else if (_GetClosest(fPath.Path(), false,
						nodeRef) == B_OK) {
					// the new directory might put us even
					// closer to the path we are after
					_AddDirectory(nodeRef, true);
				}

				wasAdded = true;
				notify = entryContained;
			}
			if (_WatchFilesOnly())
				notify = false;
		} else if (!_HasFile(nodeRef) && entryContained) {
			// file has been added
			wasAdded = true;
			notify = true;
			_AddFile(entry);
		}
	} else {
		// and entry has been removed from our directories
		wasRemoved = true;

		nodeRef.node = node;
		if (entry.IsDirectory()) {
			if (_HasDirectory(nodeRef, &notify))
				_RemoveDirectory(entry, fromNode);
			if (_WatchFilesOnly())
				notify = false;
		} else {
			_RemoveFile(entry);
			notify = true;
		}
	}

	if (notify) {
		if (wasAdded)
			message->AddBool("added", true);
		if (wasRemoved)
			message->AddBool("removed", true);

		_NotifyTarget(message, nodeRef);
	}
}
示例#5
0
void
FontManager::MessageReceived(BMessage* message)
{
	switch (message->what) {
		case B_NODE_MONITOR:
		{
			// TODO: support removing fonts!

			int32 opcode;
			if (message->FindInt32("opcode", &opcode) != B_OK)
				return;

			switch (opcode) {
				case B_ENTRY_CREATED:
				{
					const char* name;
					node_ref nodeRef;
					if (message->FindInt32("device", &nodeRef.device) != B_OK
						|| message->FindInt64("directory", &nodeRef.node) != B_OK
						|| message->FindString("name", &name) != B_OK)
						break;

					// TODO: make this better (possible under Haiku)
					snooze(100000);
						// let the font be written completely before trying to open it

					BEntry entry;
					if (set_entry(nodeRef, name, entry) != B_OK)
						break;

					if (entry.IsDirectory()) {
						// a new directory to watch for us
						_AddPath(entry);
					} else {
						// a new font
						font_directory* directory = _FindDirectory(nodeRef);
						if (directory == NULL) {
							// unknown directory? how come?
							break;
						}

						_AddFont(*directory, entry);
					}
					break;
				}

				case B_ENTRY_MOVED:
				{
					// has the entry been moved into a monitored directory or has
					// it been removed from one?
					const char* name;
					node_ref nodeRef;
					uint64 fromNode;
					uint64 node;
					if (message->FindInt32("device", &nodeRef.device) != B_OK
						|| message->FindInt64("to directory", &nodeRef.node) != B_OK
						|| message->FindInt64("from directory", (int64 *)&fromNode) != B_OK
						|| message->FindInt64("node", (int64 *)&node) != B_OK
						|| message->FindString("name", &name) != B_OK)
						break;

					font_directory* directory = _FindDirectory(nodeRef);

					BEntry entry;
					if (set_entry(nodeRef, name, entry) != B_OK)
						break;

					if (directory != NULL) {
						// something has been added to our watched font directories

						// test, if the source directory is one of ours as well
						nodeRef.node = fromNode;
						font_directory* fromDirectory = _FindDirectory(nodeRef);

						if (entry.IsDirectory()) {
							if (fromDirectory == NULL) {
								// there is a new directory to watch for us
								_AddPath(entry);
								FTRACE("new directory moved in");
							} else {
								// A directory from our watched directories has
								// been renamed or moved within the watched
								// directories - we only need to update the
								// path names of the styles in that directory
								nodeRef.node = node;
								directory = _FindDirectory(nodeRef);
								if (directory != NULL) {
									for (int32 i = 0; i < directory->styles.CountItems(); i++) {
										FontStyle* style = directory->styles.ItemAt(i);
										style->UpdatePath(directory->directory);
									}
								}
								FTRACE("directory renamed");
							}
						} else {
							if (fromDirectory != NULL) {
								// find style in source and move it to the target
								nodeRef.node = node;
								FontStyle* style = fromDirectory->FindStyle(nodeRef);
								if (style != NULL) {
									fromDirectory->styles.RemoveItem(style, false);
									directory->styles.AddItem(style);
									style->UpdatePath(directory->directory);
								}
								FTRACE(("font moved"));
							} else {
								FTRACE(("font added: %s\n", name));
								_AddFont(*directory, entry);
							}
						}
					} else {
						// and entry has been removed from our font directories
						if (entry.IsDirectory()) {
							if (entry.GetNodeRef(&nodeRef) == B_OK
								&& (directory = _FindDirectory(nodeRef)) != NULL)
								_RemoveDirectory(directory);
						} else {
							// remove font style from directory
							_RemoveStyle(nodeRef.device, fromNode, node);
						}
					}
					break;
				}

				case B_ENTRY_REMOVED:
				{
					node_ref nodeRef;
					uint64 directoryNode;
					if (message->FindInt32("device", &nodeRef.device) != B_OK
						|| message->FindInt64("directory", (int64 *)&directoryNode) != B_OK
						|| message->FindInt64("node", &nodeRef.node) != B_OK)
						break;

					font_directory* directory = _FindDirectory(nodeRef);
					if (directory != NULL) {
						// the directory has been removed, so we remove it as well
						_RemoveDirectory(directory);
					} else {
						// remove font style from directory
						_RemoveStyle(nodeRef.device, directoryNode, nodeRef.node);
					}
					break;
				}
			}
			break;
		}
	}
}