private void acceptConnection(SocketChannel clientChannel) throws DirectoryException { try { clientChannel.socket().setKeepAlive(currentConfig.isUseTCPKeepAlive()); clientChannel.socket().setTcpNoDelay(currentConfig.isUseTCPNoDelay()); } catch (SocketException se) { // TCP error occurred because connection reset/closed? In any case, // just close it and ignore. // See http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6378870 close(clientChannel); } // Check to see if the core server rejected the // connection (e.g., already too many connections // established). LDAPClientConnection clientConnection = new LDAPClientConnection(this, clientChannel, getProtocol()); if (clientConnection.getConnectionID() < 0) { clientConnection.disconnect( DisconnectReason.ADMIN_LIMIT_EXCEEDED, true, ERR_CONNHANDLER_REJECTED_BY_SERVER.get()); return; } InetAddress clientAddr = clientConnection.getRemoteAddress(); // Check to see if the client is on the denied list. // If so, then reject it immediately. if (!deniedClients.isEmpty() && AddressMask.matchesAny(deniedClients, clientAddr)) { clientConnection.disconnect( DisconnectReason.CONNECTION_REJECTED, currentConfig.isSendRejectionNotice(), ERR_CONNHANDLER_DENIED_CLIENT.get( clientConnection.getClientHostPort(), clientConnection.getServerHostPort())); return; } // Check to see if there is an allowed list and if // there is whether the client is on that list. If // not, then reject the connection. if (!allowedClients.isEmpty() && !AddressMask.matchesAny(allowedClients, clientAddr)) { clientConnection.disconnect( DisconnectReason.CONNECTION_REJECTED, currentConfig.isSendRejectionNotice(), ERR_CONNHANDLER_DISALLOWED_CLIENT.get( clientConnection.getClientHostPort(), clientConnection.getServerHostPort())); return; } // If we've gotten here, then we'll take the // connection so invoke the post-connect plugins and // register the client connection with a request // handler. try { PluginConfigManager pluginManager = DirectoryServer.getPluginConfigManager(); PluginResult.PostConnect pluginResult = pluginManager.invokePostConnectPlugins(clientConnection); if (!pluginResult.continueProcessing()) { clientConnection.disconnect( pluginResult.getDisconnectReason(), pluginResult.sendDisconnectNotification(), pluginResult.getErrorMessage()); return; } LDAPRequestHandler requestHandler = requestHandlers[requestHandlerIndex++]; if (requestHandlerIndex >= numRequestHandlers) { requestHandlerIndex = 0; } requestHandler.registerClient(clientConnection); } catch (Exception e) { logger.traceException(e); LocalizableMessage message = INFO_CONNHANDLER_UNABLE_TO_REGISTER_CLIENT.get( clientConnection.getClientHostPort(), clientConnection.getServerHostPort(), getExceptionMessage(e)); logger.debug(message); clientConnection.disconnect( DisconnectReason.SERVER_ERROR, currentConfig.isSendRejectionNotice(), message); } }