| | |
| | | private static boolean runListen = true; |
| | | |
| | | /* The list of changelog servers configured by the administrator */ |
| | | private List<String> configuredChangelogs; |
| | | private List<String> changelogServers; |
| | | |
| | | /* This table is used to store the list of dn for which we are currently |
| | | * handling servers. |
| | |
| | | private String localhostname = "null"; |
| | | private String localURL = "null"; |
| | | private static boolean shutdown = false; |
| | | private List<String> changelogServers = null; |
| | | private short changelogServerId; |
| | | private DN configDn; |
| | | private List<ConfigAttribute> configAttributes = |
| | | new ArrayList<ConfigAttribute>(); |
| | | |
| | | static String CHANGELOG_SERVER_ATTR = "ds-cfg-changelog-server"; |
| | | static String SERVER_ID_ATTR = "ds-cfg-changelog-server-id"; |
| | | static String CHANGELOG_PORT_ATTR = "ds-cfg-changelog-port"; |
| | | static final String CHANGELOG_SERVER_ATTR = "ds-cfg-changelog-server"; |
| | | static final String SERVER_ID_ATTR = "ds-cfg-changelog-server-id"; |
| | | static final String CHANGELOG_PORT_ATTR = "ds-cfg-changelog-port"; |
| | | |
| | | static final IntegerConfigAttribute changelogPortStub = |
| | | new IntegerConfigAttribute(CHANGELOG_PORT_ATTR, "changelog port", |
| | | true, false, false, true, 0, |
| | | true, 65535); |
| | | |
| | | static final IntegerConfigAttribute serverIdStub = |
| | | new IntegerConfigAttribute(SERVER_ID_ATTR, "server ID", true, false, |
| | | false, true, 0, true, 65535); |
| | | |
| | | static final StringConfigAttribute changelogStub = |
| | | new StringConfigAttribute(CHANGELOG_SERVER_ATTR, |
| | | "changelog server information", true, |
| | | true, false); |
| | | |
| | | /** |
| | | * Check if a ConfigEntry is valid. |
| | | * @param config The config entry that needs to be checked. |
| | | * @param unacceptableReason A description of the reason why the config entry |
| | | * is not acceptable (if return is false). |
| | | * @return a boolean indicating if the configEntry is valid. |
| | | */ |
| | | public static boolean checkConfigEntry(ConfigEntry config, |
| | | StringBuilder unacceptableReason) |
| | | { |
| | | try |
| | | { |
| | | IntegerConfigAttribute changelogPortAttr; |
| | | changelogPortAttr = |
| | | (IntegerConfigAttribute) config.getConfigAttribute(changelogPortStub); |
| | | |
| | | /* The config must provide a changelog port number |
| | | */ |
| | | if (changelogPortAttr == null) |
| | | { |
| | | unacceptableReason.append( |
| | | MessageHandler.getMessage(MSGID_NEED_CHANGELOG_PORT, |
| | | config.getDN().toString()) ); |
| | | } |
| | | |
| | | /* |
| | | * read the server Id information |
| | | * this is a single valued integer, its value must fit on a |
| | | * short integer |
| | | */ |
| | | IntegerConfigAttribute serverIdAttr = |
| | | (IntegerConfigAttribute) config.getConfigAttribute(serverIdStub); |
| | | |
| | | if (serverIdAttr == null) |
| | | { |
| | | unacceptableReason.append( |
| | | MessageHandler.getMessage(MSGID_NEED_SERVER_ID, |
| | | config.getDN().toString()) ); |
| | | } |
| | | |
| | | return true; |
| | | } catch (ConfigException e) |
| | | { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Creates a new Changelog using the provided configuration entry. |
| | |
| | | */ |
| | | public Changelog(ConfigEntry config) throws ConfigException |
| | | { |
| | | IntegerConfigAttribute changelogPortStub = |
| | | new IntegerConfigAttribute(CHANGELOG_PORT_ATTR, "changelog port", |
| | | true, false, false, true, 0, |
| | | true, 65535); |
| | | IntegerConfigAttribute changelogPortAttr = |
| | | (IntegerConfigAttribute) config.getConfigAttribute(changelogPortStub); |
| | | /* if there is no changelog port configured, this process must not be a |
| | |
| | | * this is a single valued integer, its value must fit on a |
| | | * short integer |
| | | */ |
| | | IntegerConfigAttribute serverIdStub = |
| | | new IntegerConfigAttribute(SERVER_ID_ATTR, "server ID", true, false, |
| | | false, true, 0, true, 65535); |
| | | IntegerConfigAttribute serverIdAttr = |
| | | (IntegerConfigAttribute) config.getConfigAttribute(serverIdStub); |
| | | |
| | |
| | | * read the centralized changelog server configuration |
| | | * this is a multivalued attribute |
| | | */ |
| | | StringConfigAttribute changelogStub = |
| | | new StringConfigAttribute(CHANGELOG_SERVER_ATTR, |
| | | "changelog server information", true, |
| | | true, false); |
| | | StringConfigAttribute changelogServer = |
| | | (StringConfigAttribute) config.getConfigAttribute(changelogStub); |
| | | if (changelogServer == null) |
| | | { |
| | | throw new ConfigException(MSGID_NEED_CHANGELOG_SERVER, |
| | | MessageHandler.getMessage(MSGID_NEED_CHANGELOG_SERVER, |
| | | config.getDN().toString()) ); |
| | | changelogServers = new ArrayList<String>(); |
| | | } |
| | | changelogServers = changelogServer.activeValues(); |
| | | else |
| | | { |
| | | changelogServers = changelogServer.activeValues(); |
| | | } |
| | | configAttributes.add(changelogServer); |
| | | |
| | | initialize(changelogServerId, changelogPort, changelogServers); |
| | |
| | | * check that all changelog in the config are in the connected Set |
| | | * if not create the connection |
| | | */ |
| | | for (String serverURL : configuredChangelogs) |
| | | for (String serverURL : changelogServers) |
| | | { |
| | | if ((serverURL.compareTo(localURL) != 0) && |
| | | (!connectedChangelogs.contains(serverURL))) |
| | |
| | | /* |
| | | * create changelog cache |
| | | */ |
| | | configuredChangelogs = changelogServers; |
| | | serverId = changelogId; |
| | | |
| | | /* |