/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2007 Sun Microsystems, Inc.
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*/
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package org.opends.quicksetup.util;
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import org.opends.quicksetup.*;
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import org.opends.quicksetup.i18n.ResourceProvider;
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import org.opends.server.loggers.debug.TextDebugLogPublisher;
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import org.opends.server.loggers.debug.DebugLogger;
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import org.opends.server.loggers.TextErrorLogPublisher;
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import org.opends.server.loggers.TextWriter;
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import org.opends.server.loggers.ErrorLogger;
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import org.opends.server.loggers.TextAccessLogPublisher;
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import org.opends.server.loggers.AccessLogger;
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import org.opends.server.types.Modification;
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import org.opends.server.types.ResultCode;
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import org.opends.server.types.ByteStringFactory;
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import org.opends.server.types.ByteString;
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import org.opends.server.types.InitializationException;
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import org.opends.server.types.Attribute;
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import org.opends.server.types.RawAttribute;
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import org.opends.server.api.DebugLogPublisher;
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import org.opends.server.api.ErrorLogPublisher;
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import org.opends.server.api.AccessLogPublisher;
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import org.opends.server.util.LDIFException;
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import org.opends.server.util.ModifyChangeRecordEntry;
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import org.opends.server.util.ChangeRecordEntry;
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import org.opends.server.util.AddChangeRecordEntry;
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import org.opends.server.protocols.internal.InternalClientConnection;
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import org.opends.server.protocols.ldap.LDAPAttribute;
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import org.opends.server.core.ModifyOperation;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.core.AddOperation;
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import org.opends.server.core.DeleteOperation;
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import org.opends.server.config.ConfigException;
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import java.util.logging.Logger;
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import java.util.logging.Level;
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import java.util.List;
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import java.util.ArrayList;
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import java.io.IOException;
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/**
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* Class used to manipulate an OpenDS server in the same JVM process as
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* the client class.
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*/
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public class InProcessServerController {
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static private final Logger LOG =
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Logger.getLogger(InProcessServerController.class.getName());
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/**
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* Indicates that the server has already been started once and that a
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* restart should happen instead.
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*/
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static private boolean serverHasBeenStarted = false;
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static private ErrorLogPublisher startupErrorPublisher;
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static private AccessLogPublisher startupAccessPublisher;
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static private DebugLogPublisher startupDebugPublisher;
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/**
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* Pushes messages published by the server loggers into OperationOutput.
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*/
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static private abstract class ServerControllerTextWriter
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implements TextWriter
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{
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private int bytesWritten = 0;
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private OperationOutput output = null;
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abstract void storeRecord(String record, OperationOutput output);
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ServerControllerTextWriter() {
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// do nothing
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}
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ServerControllerTextWriter(OperationOutput output) {
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setOutput(output);
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}
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public void setOutput(OperationOutput ouput) {
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this.output = ouput;
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}
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public void writeRecord(String record) {
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if (record != null) {
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bytesWritten += bytesWritten;
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if (output != null) {
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storeRecord(record, output);
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}
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}
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}
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public void flush() {
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// do nothing;
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}
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public void shutdown() {
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// do nothing;
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}
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public long getBytesWritten() {
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return bytesWritten;
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}
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}
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static private ServerControllerTextWriter debugWriter =
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new ServerControllerTextWriter() {
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void storeRecord(String record,
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OperationOutput output) {
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LOG.log(Level.INFO, "server start (debug log): " +
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record);
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output.addDebugMessage(record);
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}};
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static private ServerControllerTextWriter errorWriter =
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new ServerControllerTextWriter() {
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void storeRecord(String record,
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OperationOutput output) {
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LOG.log(Level.INFO, "server start (error log): " +
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record);
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output.addErrorMessage(record);
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}
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};
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static private ServerControllerTextWriter accessWriter =
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new ServerControllerTextWriter() {
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void storeRecord(String record,
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OperationOutput output) {
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LOG.log(Level.INFO, "server start (access log): " +
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record);
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output.addAccessMessage(record);
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}
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};
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private Installation installation;
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/**
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* Creates a new instance that will operate on <code>application</code>'s
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* installation.
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* @param installation representing the server instance to control
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* @throws IllegalStateException if the the version of the OpenDS code
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* running in this JVM is not the same version as the code whose bits
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* are stored in <code>installation</code>.
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*/
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public InProcessServerController(Installation installation)
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throws IllegalStateException
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{
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// Attempting to use DirectoryServer with a configuration file
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// for a different version of the server can cause problems for
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// the server at startup.
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BuildInformation installBi;
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BuildInformation currentBi;
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try {
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installBi = installation.getBuildInformation();
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currentBi = BuildInformation.getCurrent();
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} catch (Exception e) {
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throw new IllegalStateException("Failed to verify the build version of " +
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"the " + installation + " matches the currently executing " +
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"version.");
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}
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if (!currentBi.equals(installBi)) {
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throw new IllegalStateException("The build version of the " +
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"installation " + installation + " is " + installBi +
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" and does not match the currently executing version " +
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currentBi);
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}
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this.installation=installation;
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}
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/**
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* Starts the directory server within this process.
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* @param disableConnectionHandlers boolean that when true starts the
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* the server mode that is otherwise up and running but will not accept any
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* connections from external clients (i.e., does not create or initialize the
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* connection handlers). This could be useful, for example, in an upgrade mode
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* where it might be helpful to start the server but don't want it to appear
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* externally as if the server is online without connection handlers
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* listening.
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* @return OperationOutput object containing output from the start server
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* command invocation.
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* @throws org.opends.server.config.ConfigException
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* If there is a problem with the Directory Server
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* configuration that prevents a critical component
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* from being instantiated.
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*
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* @throws org.opends.server.types.InitializationException
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* If some other problem occurs while
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* attempting to initialize and start the
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* Directory Server.
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*/
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public OperationOutput startServer(boolean disableConnectionHandlers)
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throws InitializationException, ConfigException
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{
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LOG.log(Level.INFO, "Starting in process server with connection handlers " +
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(disableConnectionHandlers ? "disabled" : "enabled"));
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System.setProperty(
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"org.opends.server.DisableConnectionHandlers",
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disableConnectionHandlers ? "true" : "false");
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return startServer();
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}
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/**
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* Disables the server's connection handlers upon startup. The server
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* when started is otherwise up and running but will not accept any
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* connections from external clients (i.e., does not create or initialize the
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* connection handlers). This could be useful, for example, in an upgrade mode
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* where it might be helpful to start the server but don't want it to appear
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* externally as if the server is online without connection handlers
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* listening.
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* @param disable boolean that when true disables connection handlers when
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* the server is started.
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*/
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static public void disableConnectionHandlers(boolean disable) {
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System.setProperty(
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"org.opends.server.DisableConnectionHandlers",
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disable ? "true" : "false");
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}
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/**
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* Stops a server that had been running 'in process'.
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*/
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public void stopServer() {
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LOG.log(Level.INFO, "Shutting down in process server");
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StandardOutputSuppressor.suppress();
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try {
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DirectoryServer.shutDown(getClass().getName(),
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"quicksetup requests shutdown");
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// Note: this should not be necessary in the future when a
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// the shutdown method will not return until everything is
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// cleaned up.
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// Connection handlers are stopped and started asynchonously.
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// Give the connection handlers time to let go of any resources
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// before continuing.
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try {
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Thread.sleep(3000);
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} catch (InterruptedException e) {
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// do nothing;
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}
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} finally {
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StandardOutputSuppressor.unsuppress();
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}
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}
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/**
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* Starts the OpenDS server in this process.
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* @return OperationOutput with the results of the operation.
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* @throws org.opends.server.config.ConfigException
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* If there is a problem with the Directory Server
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* configuration that prevents a critical component
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* from being instantiated.
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*
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* @throws org.opends.server.types.InitializationException
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* If some other problem occurs while
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* attempting to initialize and start the
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* Directory Server.
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*/
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public synchronized OperationOutput startServer()
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throws
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InitializationException,
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ConfigException {
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OperationOutput output = new OperationOutput();
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setOutputForWriters(output);
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// Properties systemProperties = System.getProperties();
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// systemProperties.list(System.out);
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StandardOutputSuppressor.suppress();
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try {
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// The server's startServer method should not be called directly
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// more than once since it leave the server corrupted. Restart
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// is the correct choice in this case.
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if (!serverHasBeenStarted) {
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DirectoryServer directoryServer = DirectoryServer.getInstance();
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// Bootstrap and start the Directory Server.
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LOG.log(Level.FINER, "Bootstrapping directory server");
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directoryServer.bootstrapServer();
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LOG.log(Level.FINER, "Initializing configuration");
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String configClass = "org.opends.server.extensions.ConfigFileHandler";
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String configPath = Utils.getPath(
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installation.getCurrentConfigurationFile());
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directoryServer.initializeConfiguration(configClass, configPath);
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} else {
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LOG.log(Level.FINER, "Reinitializing the server");
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DirectoryServer.reinitialize();
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}
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// Must be done following bootstrap
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registerListenersForOuput();
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LOG.log(Level.FINER, "Invoking server start");
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// It is important to get a new instance after calling reinitalize()
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DirectoryServer directoryServer = DirectoryServer.getInstance();
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directoryServer.startServer();
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serverHasBeenStarted = true;
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// Note: this should not be necessary in the future. This
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// seems necessary currenty for the case in which shutdown
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// is called immediately afterward as is done by the upgrader.
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// Connection handlers are stopped and started asynchonously.
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// Give the connection handlers time to initialize before
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// continuing.
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try {
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Thread.sleep(3000);
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} catch (InterruptedException e) {
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// do nothing;
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}
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} finally {
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StandardOutputSuppressor.unsuppress();
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setOutputForWriters(null);
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}
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return output;
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}
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/**
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* Applies modifications contained in an LDIF file to the server.
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*
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* @param cre changes to apply to the directory data
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* @throws IOException if there is an IO Error
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* @throws LDIFException if there is an LDIF error
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* @throws ApplicationException if there is an application specific error
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*/
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public void modify(ChangeRecordEntry cre)
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throws IOException, LDIFException, ApplicationException
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{
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InternalClientConnection cc =
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InternalClientConnection.getRootConnection();
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ByteString dnByteString =
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ByteStringFactory.create(
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cre.getDN().toString());
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ResultCode rc;
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switch (cre.getChangeOperationType()) {
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case MODIFY:
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LOG.log(Level.INFO, "proparing to modify " + dnByteString);
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ModifyChangeRecordEntry mcre =
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(ModifyChangeRecordEntry) cre;
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ModifyOperation op =
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cc.processModify(dnByteString, mcre.getModifications());
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rc = op.getResultCode();
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if (rc.equals(ResultCode.
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SUCCESS)) {
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LOG.log(Level.INFO, "processed server modification " +
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modListToString(op.getModifications()));
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} else if (rc.equals(
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ResultCode.
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ATTRIBUTE_OR_VALUE_EXISTS)) {
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// ignore this error
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LOG.log(Level.INFO, "ignoring attribute that already exists: " +
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modListToString(op.getModifications()));
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} else if (rc.equals(ResultCode.NO_SUCH_ATTRIBUTE)) {
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// This can happen if for instance the old configuration was
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// changed so that the value of an attribute matches the default
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// value of the attribute in the new configuration.
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// Just log it and move on.
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LOG.log(Level.INFO, "Ignoring attribute not found: " +
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modListToString(op.getModifications()));
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} else {
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// report the error to the user
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StringBuilder error = op.getErrorMessage();
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throw new ApplicationException(
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ApplicationReturnCode.ReturnCode.IMPORT_ERROR,
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getMsg("error-apply-ldif-modify", dnByteString.toString(),
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error != null ? error.toString() : ""),
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null);
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}
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break;
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case ADD:
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LOG.log(Level.INFO, "preparing to add " + dnByteString);
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AddChangeRecordEntry acre = (AddChangeRecordEntry) cre;
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List<Attribute> attrs = acre.getAttributes();
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ArrayList<RawAttribute> rawAttrs =
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new ArrayList<RawAttribute>(attrs.size());
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for (Attribute a : attrs) {
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rawAttrs.add(new LDAPAttribute(a));
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}
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AddOperation addOp = cc.processAdd(dnByteString, rawAttrs);
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rc = addOp.getResultCode();
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if (rc.equals(ResultCode.SUCCESS)) {
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LOG.log(Level.INFO, "processed server add " + addOp.getEntryDN());
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} else {
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// report the error to the user
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StringBuilder error = addOp.getErrorMessage();
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throw new ApplicationException(
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ApplicationReturnCode.ReturnCode.IMPORT_ERROR,
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getMsg("error-apply-ldif-add", dnByteString.toString(),
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error != null ? error.toString() : ""),
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null);
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}
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break;
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case DELETE:
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LOG.log(Level.INFO, "preparing to delete " + dnByteString);
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DeleteOperation delOp = cc.processDelete(dnByteString);
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rc = delOp.getResultCode();
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if (rc.equals(ResultCode.SUCCESS)) {
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LOG.log(Level.INFO, "processed server delete " +
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delOp.getEntryDN());
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} else {
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// report the error to the user
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StringBuilder error = delOp.getErrorMessage();
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throw new ApplicationException(
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ApplicationReturnCode.ReturnCode.IMPORT_ERROR,
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getMsg("error-apply-ldif-delete", dnByteString.toString(),
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error != null ? error.toString() : ""),
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null);
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}
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break;
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default:
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LOG.log(Level.SEVERE, "Unexpected record type " + cre.getClass());
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throw new ApplicationException(ApplicationReturnCode.ReturnCode.BUG,
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getMsg("bug-msg"),
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null);
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}
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}
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private String modListToString(
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List<Modification> modifications) {
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StringBuilder modsMsg = new StringBuilder();
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for (int i = 0; i < modifications.size(); i++) {
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modsMsg.append(modifications.get(i).toString());
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if (i < modifications.size() - 1) {
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modsMsg.append(" ");
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}
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}
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return modsMsg.toString();
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}
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static private void setOutputForWriters(OperationOutput output) {
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debugWriter.setOutput(output);
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errorWriter.setOutput(output);
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accessWriter.setOutput(output);
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}
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static private void registerListenersForOuput() {
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try {
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startupDebugPublisher =
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TextDebugLogPublisher.getStartupTextDebugPublisher(debugWriter);
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DebugLogger.addDebugLogPublisher(startupDebugPublisher);
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startupErrorPublisher =
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TextErrorLogPublisher.getStartupTextErrorPublisher(errorWriter);
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ErrorLogger.addErrorLogPublisher(startupErrorPublisher);
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startupAccessPublisher =
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TextAccessLogPublisher.getStartupTextAccessPublisher(
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accessWriter, true);
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AccessLogger.addAccessLogPublisher(startupAccessPublisher);
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} catch (Exception e) {
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LOG.log(Level.INFO, "Error installing test log publishers: " +
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e.toString());
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}
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}
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static private void unregisterListenersForOutput() {
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DebugLogger.removeDebugLogPublisher(startupDebugPublisher);
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ErrorLogger.removeErrorLogPublisher(startupErrorPublisher);
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AccessLogger.removeAccessLogPublisher(startupAccessPublisher);
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}
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static private String getMsg(String key, String... args) {
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return ResourceProvider.getInstance().getMsg(key, args);
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}
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}
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