/*
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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 legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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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 legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* 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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* Copyright 2009 Sun Microsystems, Inc.
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* Portions Copyright 2011-2013 ForgeRock AS
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*/
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package org.opends.server.replication.protocol;
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import java.io.UnsupportedEncodingException;
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import java.util.zip.DataFormatException;
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import org.opends.server.replication.common.MultiDomainServerState;
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import org.opends.server.types.DN;
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import org.opends.server.types.DirectoryException;
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/**
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* Container for the ECL information sent from the ReplicationServer
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* to the client part (either broker over the protocol, or ECLSession).
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*/
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public class ECLUpdateMsg extends ReplicationMsg
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{
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/** The replication change returned. */
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private final LDAPUpdateMsg updateMsg;
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/** The baseDN of the domain to which applies the change. */
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private final DN baseDN;
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/** The value of the cookie updated with the current change. */
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private MultiDomainServerState cookie;
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/** The changeNumber as specified by draft-good-ldap-changelog. */
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private long changeNumber;
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/**
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* Creates a new message.
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* @param updateMsg The provided update message.
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* @param cookie The provided cookie value
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* @param baseDN The provided baseDN.
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* @param changeNumber The provided change number.
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*/
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public ECLUpdateMsg(LDAPUpdateMsg updateMsg, MultiDomainServerState cookie,
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DN baseDN, long changeNumber)
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{
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this.cookie = cookie;
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this.baseDN = baseDN;
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this.updateMsg = updateMsg;
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this.changeNumber = changeNumber;
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}
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/**
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* Creates a new message from its encoded form.
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*
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* @param in The byte array containing the encoded form of the message.
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* @throws DataFormatException If the byte array does not contain
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* a valid encoded form of the message.
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* @throws UnsupportedEncodingException when it occurs.
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* @throws NotSupportedOldVersionPDUException when it occurs.
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*/
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public ECLUpdateMsg(byte[] in)
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throws DataFormatException,
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UnsupportedEncodingException,
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NotSupportedOldVersionPDUException
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{
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try
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{
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if (in[0] != MSG_TYPE_ECL_UPDATE)
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{
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throw new DataFormatException("byte[] is not a valid " +
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getClass().getCanonicalName());
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}
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int pos = 1;
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// Decode the cookie
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int length = getNextLength(in, pos);
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String cookieStr = new String(in, pos, length, "UTF-8");
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this.cookie = new MultiDomainServerState(cookieStr);
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pos += length + 1;
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// Decode the baseDN
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length = getNextLength(in, pos);
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this.baseDN = DN.decode(new String(in, pos, length, "UTF-8"));
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pos += length + 1;
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// Decode the changeNumber
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length = getNextLength(in, pos);
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this.changeNumber = Integer.valueOf(new String(in, pos, length, "UTF-8"));
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pos += length + 1;
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// Decode the msg
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/* Read the mods : all the remaining bytes but the terminating 0 */
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length = in.length - pos - 1;
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byte[] encodedMsg = new byte[length];
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System.arraycopy(in, pos, encodedMsg, 0, length);
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ReplicationMsg rmsg = ReplicationMsg.generateMsg(
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encodedMsg, ProtocolVersion.getCurrentVersion());
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this.updateMsg = (LDAPUpdateMsg)rmsg;
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}
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catch(DirectoryException de)
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{
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throw new DataFormatException(de.toString());
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}
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catch (UnsupportedEncodingException e)
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{
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throw new DataFormatException("UTF-8 is not supported by this jvm.");
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}
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}
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/**
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* Getter for the cookie value.
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* @return The cookie value.
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*/
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public MultiDomainServerState getCookie()
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{
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return cookie;
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}
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/**
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* Setter for the cookie value.
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* @param cookie The provided cookie value.
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*/
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public void setCookie(MultiDomainServerState cookie)
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{
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this.cookie = cookie;
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}
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/**
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* Getter for the baseDN.
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*
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* @return The baseDN.
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*/
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public DN getBaseDN()
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{
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return baseDN;
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}
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/**
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* Getter for the message.
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* @return The included replication message.
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*/
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public UpdateMsg getUpdateMsg()
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{
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return updateMsg;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public String toString()
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{
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return "ECLUpdateMsg:[" +
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" updateMsg: " + updateMsg +
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" cookie: " + cookie +
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" changeNumber: " + changeNumber +
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" serviceId: " + baseDN + "]";
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public byte[] getBytes(short protocolVersion)
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throws UnsupportedEncodingException
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{
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byte[] byteCookie = String.valueOf(cookie).getBytes("UTF-8");
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byte[] byteBaseDN = String.valueOf(baseDN).getBytes("UTF-8");
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// FIXME JNR Changing the line below to use long would require a protocol
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// version change. Leave it like this for now until the need arises.
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byte[] byteChangeNumber =
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Integer.toString((int) changeNumber).getBytes("UTF-8");
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byte[] byteUpdateMsg = updateMsg.getBytes(protocolVersion);
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int length = 1 + byteCookie.length +
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1 + byteBaseDN.length +
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1 + byteChangeNumber.length +
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1 + byteUpdateMsg.length + 1;
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byte[] resultByteArray = new byte[length];
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/* Encode type */
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resultByteArray[0] = MSG_TYPE_ECL_UPDATE;
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int pos = 1;
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// Encode all fields
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pos = addByteArray(byteCookie, resultByteArray, pos);
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pos = addByteArray(byteBaseDN, resultByteArray, pos);
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pos = addByteArray(byteChangeNumber, resultByteArray, pos);
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pos = addByteArray(byteUpdateMsg, resultByteArray, pos);
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return resultByteArray;
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}
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/**
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* Setter for the changeNumber of this change.
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* @param changeNumber the provided changeNumber for this change.
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*/
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public void setChangeNumber(long changeNumber)
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{
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this.changeNumber = changeNumber;
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}
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/**
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* Getter for the changeNumber of this change.
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* @return the changeNumber of this change.
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*/
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public long getChangeNumber()
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{
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return this.changeNumber;
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}
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}
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