Examples with NoRouteToCellException dmg.cells.nucleus.NoRouteToCellException used on opensource projects

Example 6 with NoRouteToCellException

use of dmg.cells.nucleus.NoRouteToCellException in project dcache by dCache.

the class UserAdminShell method sendToMany.

/**
 * Concurrently sends a command to several cells and collects the result from each.
 */
private String sendToMany(Iterable<String> destinations, Serializable object) throws AclException {
    /* Check permissions */
    try {
        checkPermission("cell.*.execute");
    } catch (AclException e) {
        for (String cell : destinations) {
            checkPermission("cell." + cell + ".execute");
        }
    }
    /* Submit */
    List<Map.Entry<String, ListenableFuture<Serializable>>> futures = new ArrayList<>();
    for (String cell : destinations) {
        futures.add(immutableEntry(cell, _cellStub.send(new CellPath(cell), object, Serializable.class, _timeout)));
    }
    /* Collect results */
    StringBuilder result = new StringBuilder();
    for (Map.Entry<String, ListenableFuture<Serializable>> entry : futures) {
        result.append(Ansi.ansi().bold().a(entry.getKey()).boldOff()).append(":");
        try {
            String reply = Objects.toString(entry.getValue().get(), "");
            if (reply.isEmpty()) {
                result.append(Ansi.ansi().fg(GREEN).a(" OK").reset()).append("\n");
            } else {
                result.append("\n");
                for (String s : reply.split("\n")) {
                    result.append("    ").append(s).append("\n");
                }
            }
        } catch (ExecutionException e) {
            Throwable cause = e.getCause();
            if (cause instanceof NoRouteToCellException) {
                result.append(Ansi.ansi().fg(RED).a(" Cell is unreachable.").reset()).append("\n");
            } else {
                result.append(" ").append(Ansi.ansi().fg(RED).a(cause.getMessage()).reset()).append("\n");
            }
        } catch (InterruptedException e) {
            result.append(" ^C\n");
            /* Cancel all uncompleted tasks. Doesn't actually cancel any requests, but will cause
                 * the remaining uncompleted futures to throw a CancellationException.
                 */
            for (Map.Entry<String, ListenableFuture<Serializable>> entry2 : futures) {
                entry2.getValue().cancel(true);
            }
        } catch (CancellationException e) {
            result.append(" ^C\n");
        }
    }
    return result.toString();
}

Example 7 with NoRouteToCellException

use of dmg.cells.nucleus.NoRouteToCellException in project dcache by dCache.

the class UserAdminShell method checkPermission.

/**
 * Checks that the current effective user has the given acl.
 *
 * @throws AclException if the current user does not have the given {@code aclName}
 */
public void checkPermission(String aclName) throws AclException {
    Object[] request = new Object[5];
    request[0] = "request";
    request[1] = "<nobody>";
    request[2] = "check-permission";
    request[3] = getUser();
    request[4] = aclName;
    Object[] r;
    try {
        r = _acmStub.sendAndWait(request, Object[].class);
    } catch (TimeoutCacheException | NoRouteToCellException e) {
        throw new AclException(e.getMessage());
    } catch (CacheException | InterruptedException e) {
        throw new AclException("Problem: " + e.getMessage());
    }
    if (r.length < 6 || !(r[5] instanceof Boolean)) {
        throw new AclException("Protocol violation 4456");
    }
    if (!((Boolean) r[5])) {
        throw new AclException(getUser(), aclName);
    }
}

Example 8 with NoRouteToCellException

use of dmg.cells.nucleus.NoRouteToCellException in project dcache by dCache.

the class UserAdminShell method completeCellWildcard.

/**
 * Completes a cell address wildcard. Does not provide completion for cell paths.
 */
private int completeCellWildcard(String buffer, int cursor, List<CharSequence> candidates) {
    if (buffer.contains(":")) {
        return -1;
    }
    try {
        int i = buffer.indexOf('@');
        if (i > -1) {
            expandCellPatterns(singletonList(buffer + "*")).stream().map(s -> s.substring(s.indexOf('@') + 1)).forEach(candidates::add);
            return i + 1;
        }
        i = buffer.indexOf('/');
        if (i > -1) {
            Predicate<String> predicate = toGlobPredicate(buffer.substring(i + 1) + "*");
            getPoolGroups().get().stream().filter(predicate).forEach(candidates::add);
            return i + 1;
        }
        candidates.addAll(expandCellPatterns(singletonList(buffer + "*")));
        if (_currentPosition != null) {
            candidates.addAll(getCells(_currentPosition.remote.getDestinationAddress().getCellDomainName(), toGlobPredicate(buffer + "*")).get());
        }
        return 0;
    } catch (CacheException | NoRouteToCellException | ExecutionException e) {
        LOGGER.info("Completion failed: {}", e.toString());
        return -1;
    } catch (InterruptedException e) {
        return -1;
    }
}

Example 9 with NoRouteToCellException

use of dmg.cells.nucleus.NoRouteToCellException in project dcache by dCache.

the class HttpBillingEngine method printMainStatisticsPage.

private void printMainStatisticsPage(OutputStream out) throws HttpException {
    HTMLWriter html = new HTMLWriter(out, _context);
    try {
        Object[][] x = _billing.sendAndWait("get billing info", Object[][].class);
        html.addHeader("/styles/billing.css", "dCache Billing");
        printTotalStatistics(html, x);
        try {
            Map<String, long[]> map = _billing.sendAndWait("get pool statistics", Map.class);
            printPoolStatistics(html, map, null);
        } catch (InterruptedException | TimeoutCacheException e) {
            throw e;
        } catch (CacheException e) {
            html.print("<p class=\"error\">This 'billingCell' doesn't support: 'get pool statistics':");
            html.print("<blockquote><pre>" + e + "</pre></blockquote>");
        }
    } catch (NoRouteToCellException e) {
        throw new HttpException(500, "No connection to billing");
    } catch (TimeoutCacheException e) {
        throw new HttpException(500, "Request Timed Out");
    } catch (InterruptedException | CacheException e) {
        throw new HttpException(500, "Problem : " + e.getMessage());
    } finally {
        html.addFooter(getClass().getName());
    }
}

Example 10 with NoRouteToCellException

use of dmg.cells.nucleus.NoRouteToCellException in project dcache by dCache.

the class XrootdTransferService method handleUploadDone.

private void handleUploadDone(NettyMover<XrootdProtocolInfo> mover) throws CacheException {
    try {
        EnumSet<CreateOption> options = EnumSet.noneOf(CreateOption.class);
        if (mover.getProtocolInfo().isOverwriteAllowed()) {
            options.add(CreateOption.OVERWRITE_EXISTING);
        }
        PnfsCommitUpload msg = new PnfsCommitUpload(mover.getSubject(), mover.getProtocolInfo().getRestriction(), FsPath.create(mover.getTransferPath()), FsPath.create(mover.getBillingPath()), options, EnumSet.of(PNFSID, SIZE, STORAGEINFO));
        pnfsStub.sendAndWait(msg);
    } catch (InterruptedException ex) {
        throw new CacheException("Operation interrupted", ex);
    } catch (NoRouteToCellException ex) {
        throw new CacheException("Internal communication failure", ex);
    }
}