Examples with IgfsException org.apache.ignite.igfs.IgfsException used on opensource projects

Example 1 with IgfsException

use of org.apache.ignite.igfs.IgfsException in project ignite by apache.

the class LocalFileSystemUtils method updateProperties.

/**
 * Update file properties.
 *
 * @param file File.
 * @param grp Group.
 * @param perm Permissions.
 */
public static void updateProperties(File file, String grp, String perm) {
    PosixFileAttributeView attrs = Files.getFileAttributeView(file.toPath(), PosixFileAttributeView.class);
    if (attrs == null)
        throw new UnsupportedOperationException("Posix file attributes not available");
    if (grp != null) {
        try {
            UserPrincipalLookupService lookupService = FileSystems.getDefault().getUserPrincipalLookupService();
            GroupPrincipal grp0 = lookupService.lookupPrincipalByGroupName(grp);
            attrs.setGroup(grp0);
        } catch (IOException e) {
            throw new IgfsException("Update the '" + IgfsUtils.PROP_GROUP_NAME + "' property is failed.", e);
        }
    }
    if (perm != null) {
        int perm0 = Integer.parseInt(perm, 8);
        Set<PosixFilePermission> permSet = new HashSet<>(9);
        for (int i = 0; i < LocalFileSystemUtils.POSIX_PERMISSIONS.length; ++i) {
            if ((perm0 & (1 << i)) != 0)
                permSet.add(LocalFileSystemUtils.POSIX_PERMISSIONS[i]);
        }
        try {
            attrs.setPermissions(permSet);
        } catch (IOException e) {
            throw new IgfsException("Update the '" + IgfsUtils.PROP_PERMISSION + "' property is failed.", e);
        }
    }
}

Example 2 with IgfsException

use of org.apache.ignite.igfs.IgfsException in project ignite by apache.

the class IgfsUtils method toIgfsException.

/**
 * Converts any passed exception to IGFS exception.
 *
 * @param err Initial exception.
 * @return Converted IGFS exception.
 */
@SuppressWarnings("ThrowableResultOfMethodCallIgnored")
public static IgfsException toIgfsException(Throwable err) {
    IgfsException err0 = err instanceof IgfsException ? (IgfsException) err : null;
    IgfsException igfsErr = X.cause(err, IgfsException.class);
    while (igfsErr != null && igfsErr != err0) {
        err0 = igfsErr;
        igfsErr = X.cause(err, IgfsException.class);
    }
    // If initial exception is already IGFS exception and no inner stuff exists, just return it unchanged.
    if (err0 != err) {
        if (err0 != null)
            // Dealing with a kind of IGFS error, wrap it once again, preserving message and root cause.
            err0 = newIgfsException(err0.getClass(), err0.getMessage(), err0);
        else {
            if (err instanceof ClusterTopologyServerNotFoundException)
                err0 = new IgfsException("Cache server nodes not found.", err);
            else
                // Unknown error nature.
                err0 = new IgfsException("Generic IGFS error occurred.", err);
        }
    }
    return err0;
}

Example 3 with IgfsException

use of org.apache.ignite.igfs.IgfsException in project ignite by apache.

the class LocalIgfsSecondaryFileSystem method rename.

/**
 * {@inheritDoc}
 */
@Override
public void rename(IgfsPath src, IgfsPath dest) {
    File srcFile = fileForPath(src);
    File destFile = fileForPath(dest);
    if (!srcFile.exists())
        throw new IgfsPathNotFoundException("Failed to perform rename because source path not found: " + src);
    if (srcFile.isDirectory() && destFile.isFile())
        throw new IgfsPathIsNotDirectoryException("Failed to perform rename because destination path is " + "directory and source path is file [src=" + src + ", dest=" + dest + ']');
    try {
        if (destFile.isDirectory())
            Files.move(srcFile.toPath(), destFile.toPath().resolve(srcFile.getName()));
        else if (!srcFile.renameTo(destFile))
            throw new IgfsException("Failed to perform rename (underlying file system returned false) " + "[src=" + src + ", dest=" + dest + ']');
    } catch (IOException e) {
        throw handleSecondaryFsError(e, "Failed to rename [src=" + src + ", dest=" + dest + ']');
    }
}

Example 4 with IgfsException

use of org.apache.ignite.igfs.IgfsException in project ignite by apache.

the class IgfsDataManager method affinity0.

/**
 * Calculates non-colocated affinity for given file info and given region of file.
 *
 * @param info File info.
 * @param start Start offset.
 * @param len Length.
 * @param maxLen Maximum allowed split length.
 * @param res Result collection to add regions to.
 */
private void affinity0(IgfsEntryInfo info, long start, long len, long maxLen, Deque<IgfsBlockLocation> res) {
    long firstGrpIdx = start / grpBlockSize;
    long limitGrpIdx = (start + len + grpBlockSize - 1) / grpBlockSize;
    if (limitGrpIdx - firstGrpIdx > Integer.MAX_VALUE)
        throw new IgfsException("Failed to get affinity (range is too wide)" + " [info=" + info + ", start=" + start + ", len=" + len + ']');
    if (log.isDebugEnabled())
        log.debug("Mapping file region [fileInfo=" + info + ", start=" + start + ", len=" + len + ']');
    for (long grpIdx = firstGrpIdx; grpIdx < limitGrpIdx; grpIdx++) {
        // Boundaries of the block.
        long blockStart;
        long blockLen;
        // The first block.
        if (grpIdx == firstGrpIdx) {
            blockStart = start % grpBlockSize;
            blockLen = Math.min(grpBlockSize - blockStart, len);
        } else // The last block.
        if (grpIdx == limitGrpIdx - 1) {
            blockStart = 0;
            blockLen = (start + len - 1) % grpBlockSize + 1;
        } else // Other blocks.
        {
            blockStart = 0;
            blockLen = grpBlockSize;
        }
        // Affinity for the first block in the group.
        IgfsBlockKey key = new IgfsBlockKey(info.id(), info.affinityKey(), info.evictExclude(), grpIdx * grpSize);
        Collection<ClusterNode> affNodes = dataCache.affinity().mapKeyToPrimaryAndBackups(key);
        if (log.isDebugEnabled())
            log.debug("Mapped key to nodes [key=" + key + ", nodes=" + F.nodeIds(affNodes) + ", blockStart=" + blockStart + ", blockLen=" + blockLen + ']');
        IgfsBlockLocation last = res.peekLast();
        // Merge with previous affinity block location?
        if (last != null && equal(last.nodeIds(), F.viewReadOnly(affNodes, F.node2id()))) {
            // Remove previous incomplete value.
            res.removeLast();
            // Update affinity block location with merged one.
            splitBlocks(last.start(), last.length() + blockLen, maxLen, affNodes, res);
        } else
            splitBlocks(grpIdx * grpBlockSize + blockStart, blockLen, maxLen, affNodes, res);
    }
    if (log.isDebugEnabled())
        log.debug("Calculated file affinity [info=" + info + ", start=" + start + ", len=" + len + ", res=" + res + ']');
}

Example 5 with IgfsException

use of org.apache.ignite.igfs.IgfsException in project ignite by apache.

the class IgfsMetaManager method softDelete.

/**
 * Move path to the trash directory.
 *
 * @param path Path.
 * @param recursive Recursive flag.
 * @param secondaryFs Secondary file system (optional).
 * @return ID of an entry located directly under the trash directory.
 * @throws IgniteCheckedException If failed.
 */
IgfsDeleteResult softDelete(final IgfsPath path, final boolean recursive, @Nullable IgfsSecondaryFileSystem secondaryFs) throws IgniteCheckedException {
    while (true) {
        if (busyLock.enterBusy()) {
            try {
                validTxState(false);
                IgfsPathIds pathIds = pathIds(path);
                if (!pathIds.allExists() && secondaryFs == null)
                    return new IgfsDeleteResult(false, null);
                IgniteUuid victimId = pathIds.lastId();
                String victimName = pathIds.lastPart();
                if (IgfsUtils.isRootId(victimId))
                    throw new IgfsException("Cannot remove root directory");
                // Prepare IDs to lock.
                SortedSet<IgniteUuid> allIds = new TreeSet<>(PATH_ID_SORTING_COMPARATOR);
                pathIds.addExistingIds(allIds, relaxed);
                IgniteUuid trashId = IgfsUtils.randomTrashId();
                allIds.add(trashId);
                try (GridNearTxLocal tx = startTx()) {
                    // Lock participants.
                    Map<IgniteUuid, IgfsEntryInfo> lockInfos = lockIds(allIds);
                    if (secondaryFs != null && isRetryForSecondary(pathIds, lockInfos))
                        continue;
                    // Ensure that all participants are still in place.
                    if (!pathIds.allExists() || !pathIds.verifyIntegrity(lockInfos, relaxed)) {
                        // For DUAL mode we will try to update the underlying FS still. Note we do that inside TX.
                        if (secondaryFs != null) {
                            boolean res = secondaryFs.delete(path, recursive);
                            return new IgfsDeleteResult(res, null);
                        } else
                            return new IgfsDeleteResult(false, null);
                    }
                    IgfsEntryInfo victimInfo = lockInfos.get(victimId);
                    // Cannot delete non-empty directory if recursive flag is not set.
                    if (!recursive && victimInfo.hasChildren())
                        throw new IgfsDirectoryNotEmptyException("Failed to remove directory (directory is not " + "empty and recursive flag is not set).");
                    // Prepare trash data.
                    IgfsEntryInfo trashInfo = lockInfos.get(trashId);
                    final String trashName = IgfsUtils.composeNameForTrash(path, victimId);
                    assert !trashInfo.hasChild(trashName) : "Failed to add file name into the " + "destination directory (file already exists) [destName=" + trashName + ']';
                    IgniteUuid parentId = pathIds.lastParentId();
                    IgfsEntryInfo parentInfo = lockInfos.get(parentId);
                    // Propagate call to the secondary file system.
                    if (secondaryFs != null && !secondaryFs.delete(path, recursive))
                        return new IgfsDeleteResult(false, null);
                    transferEntry(parentInfo.listing().get(victimName), parentId, victimName, trashId, trashName);
                    tx.commit();
                    signalDeleteWorker();
                    return new IgfsDeleteResult(true, victimInfo);
                }
            } finally {
                busyLock.leaveBusy();
            }
        } else
            throw new IllegalStateException("Failed to perform soft delete because Grid is " + "stopping [path=" + path + ']');
    }
}