/** {@inheritDoc} */
@Override
public ConfigChangeResult applyConfigurationChange(BackupBackendCfg cfg) {
ResultCode resultCode = ResultCode.SUCCESS;
boolean adminActionRequired = false;
ArrayList<Message> messages = new ArrayList<Message>();
Set<String> values = cfg.getBackupDirectory();
backupDirectories = new LinkedHashSet<File>(values.size());
for (String s : values) {
backupDirectories.add(getFileForPath(s));
}
currentConfig = cfg;
return new ConfigChangeResult(resultCode, adminActionRequired, messages);
}
/** {@inheritDoc} */
@Override
public void search(SearchOperation searchOperation) throws DirectoryException {
// Get the base entry for the search, if possible. If it doesn't exist,
// then this will throw an exception.
DN baseDN = searchOperation.getBaseDN();
Entry baseEntry = getEntry(baseDN);
// Look at the base DN and see if it's the backup base DN, a backup
// directory entry DN, or a backup entry DN.
DN parentDN;
SearchScope scope = searchOperation.getScope();
SearchFilter filter = searchOperation.getFilter();
if (backupBaseDN.equals(baseDN)) {
if ((scope == SearchScope.BASE_OBJECT || scope == SearchScope.WHOLE_SUBTREE)
&& filter.matchesEntry(baseEntry)) {
searchOperation.returnEntry(baseEntry, null);
}
if (scope != SearchScope.BASE_OBJECT && !backupDirectories.isEmpty()) {
AttributeType backupPathType =
DirectoryServer.getAttributeType(ATTR_BACKUP_DIRECTORY_PATH, true);
for (File f : backupDirectories) {
// Check to see if the descriptor file exists. If not, then skip this
// backup directory.
File descriptorFile = new File(f, BACKUP_DIRECTORY_DESCRIPTOR_FILE);
if (!descriptorFile.exists()) {
continue;
}
DN backupDirDN = makeChildDN(backupBaseDN, backupPathType, f.getAbsolutePath());
Entry backupDirEntry;
try {
backupDirEntry = getBackupDirectoryEntry(backupDirDN);
} catch (Exception e) {
if (debugEnabled()) {
TRACER.debugCaught(DebugLogLevel.ERROR, e);
}
continue;
}
if (filter.matchesEntry(backupDirEntry)) {
searchOperation.returnEntry(backupDirEntry, null);
}
if (scope != SearchScope.SINGLE_LEVEL) {
List<Attribute> attrList = backupDirEntry.getAttribute(backupPathType);
if (attrList != null && !attrList.isEmpty()) {
for (AttributeValue v : attrList.get(0)) {
try {
BackupDirectory backupDirectory =
BackupDirectory.readBackupDirectoryDescriptor(v.getValue().toString());
AttributeType idType = DirectoryServer.getAttributeType(ATTR_BACKUP_ID, true);
for (String backupID : backupDirectory.getBackups().keySet()) {
DN backupEntryDN = makeChildDN(backupDirDN, idType, backupID);
Entry backupEntry = getBackupEntry(backupEntryDN);
if (filter.matchesEntry(backupEntry)) {
searchOperation.returnEntry(backupEntry, null);
}
}
} catch (Exception e) {
if (debugEnabled()) {
TRACER.debugCaught(DebugLogLevel.ERROR, e);
}
continue;
}
}
}
}
}
}
} else if (backupBaseDN.equals(parentDN = baseDN.getParentDNInSuffix())) {
Entry backupDirEntry = getBackupDirectoryEntry(baseDN);
if ((scope == SearchScope.BASE_OBJECT || scope == SearchScope.WHOLE_SUBTREE)
&& filter.matchesEntry(backupDirEntry)) {
searchOperation.returnEntry(backupDirEntry, null);
}
if (scope != SearchScope.BASE_OBJECT) {
AttributeType t = DirectoryServer.getAttributeType(ATTR_BACKUP_DIRECTORY_PATH, true);
List<Attribute> attrList = backupDirEntry.getAttribute(t);
if (attrList != null && !attrList.isEmpty()) {
for (AttributeValue v : attrList.get(0)) {
try {
BackupDirectory backupDirectory =
BackupDirectory.readBackupDirectoryDescriptor(v.getValue().toString());
AttributeType idType = DirectoryServer.getAttributeType(ATTR_BACKUP_ID, true);
for (String backupID : backupDirectory.getBackups().keySet()) {
DN backupEntryDN = makeChildDN(baseDN, idType, backupID);
Entry backupEntry = getBackupEntry(backupEntryDN);
if (filter.matchesEntry(backupEntry)) {
searchOperation.returnEntry(backupEntry, null);
}
}
} catch (Exception e) {
if (debugEnabled()) {
TRACER.debugCaught(DebugLogLevel.ERROR, e);
}
continue;
}
}
}
}
} else {
if (parentDN == null || !backupBaseDN.equals(parentDN.getParentDNInSuffix())) {
Message message = ERR_BACKUP_NO_SUCH_ENTRY.get(String.valueOf(backupBaseDN));
throw new DirectoryException(ResultCode.NO_SUCH_OBJECT, message);
}
if (scope == SearchScope.BASE_OBJECT || scope == SearchScope.WHOLE_SUBTREE) {
Entry backupEntry = getBackupEntry(baseDN);
if (backupEntry == null) {
Message message = ERR_BACKUP_NO_SUCH_ENTRY.get(String.valueOf(backupBaseDN));
throw new DirectoryException(ResultCode.NO_SUCH_OBJECT, message);
}
if (filter.matchesEntry(backupEntry)) {
searchOperation.returnEntry(backupEntry, null);
}
}
}
}
/** {@inheritDoc} */
@Override
public void initializeBackend() throws ConfigException, InitializationException {
// Create the set of base DNs that we will handle. In this case, it's just
// the DN of the base backup entry.
try {
backupBaseDN = DN.decode(DN_BACKUP_ROOT);
} catch (Exception e) {
if (debugEnabled()) {
TRACER.debugCaught(DebugLogLevel.ERROR, e);
}
Message message =
ERR_BACKEND_CANNOT_DECODE_BACKEND_ROOT_DN.get(getExceptionMessage(e), getBackendID());
throw new InitializationException(message, e);
}
// FIXME -- Deal with this more correctly.
this.baseDNs = new DN[] {backupBaseDN};
// Determine the set of backup directories that we will use by default.
Set<String> values = currentConfig.getBackupDirectory();
backupDirectories = new LinkedHashSet<File>(values.size());
for (String s : values) {
backupDirectories.add(getFileForPath(s));
}
// Construct the backup base entry.
LinkedHashMap<ObjectClass, String> objectClasses = new LinkedHashMap<ObjectClass, String>(2);
objectClasses.put(DirectoryServer.getTopObjectClass(), OC_TOP);
ObjectClass untypedOC = DirectoryServer.getObjectClass(OC_UNTYPED_OBJECT_LC, true);
objectClasses.put(untypedOC, OC_UNTYPED_OBJECT);
LinkedHashMap<AttributeType, List<Attribute>> opAttrs =
new LinkedHashMap<AttributeType, List<Attribute>>(0);
LinkedHashMap<AttributeType, List<Attribute>> userAttrs =
new LinkedHashMap<AttributeType, List<Attribute>>(1);
RDN rdn = backupBaseDN.getRDN();
int numAVAs = rdn.getNumValues();
for (int i = 0; i < numAVAs; i++) {
AttributeType attrType = rdn.getAttributeType(i);
ArrayList<Attribute> attrList = new ArrayList<Attribute>(1);
attrList.add(Attributes.create(attrType, rdn.getAttributeValue(i)));
userAttrs.put(attrType, attrList);
}
backupBaseEntry = new Entry(backupBaseDN, objectClasses, userAttrs, opAttrs);
currentConfig.addBackupChangeListener(this);
// Register the backup base as a private suffix.
try {
DirectoryServer.registerBaseDN(backupBaseDN, this, true);
} catch (Exception e) {
if (debugEnabled()) {
TRACER.debugCaught(DebugLogLevel.ERROR, e);
}
Message message =
ERR_BACKEND_CANNOT_REGISTER_BASEDN.get(backupBaseDN.toString(), getExceptionMessage(e));
throw new InitializationException(message, e);
}
}