/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2006-2010 Sun Microsystems, Inc.
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* Portions Copyright 2013-2015 ForgeRock AS.
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*/
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package org.opends.server.replication.protocol;
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import java.util.zip.DataFormatException;
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/**
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* This message is part of the replication protocol.
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* This message is sent by a server to one or several other servers and
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* contain one entry to be sent over the protocol in the context of
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* an import/export over the protocol.
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*/
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public class EntryMsg extends RoutableMsg
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{
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/** The byte array containing the bytes of the entry transported. */
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private final byte[] entryByteArray;
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/** From V4. */
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private int msgId = -1;
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/**
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* Creates a new EntryMsg.
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*
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* @param serverID The sender of this message.
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* @param destination The destination of this message.
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* @param entryBytes The bytes of the entry.
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* @param msgId Message counter.
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*/
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public EntryMsg(int serverID, int destination, byte[] entryBytes, int msgId)
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{
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this(serverID, destination, entryBytes, 0, entryBytes.length, msgId);
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}
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/**
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* Creates a new EntryMsg.
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*
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* @param serverID The sender of this message.
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* @param destination The destination of this message.
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* @param entryBytes The bytes of the entry.
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* @param startPos The starting Position in the array.
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* @param length Number of array elements to be copied.
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* @param msgId Message counter.
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*/
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public EntryMsg(int serverID, int destination, byte[] entryBytes, int startPos,
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int length, int msgId)
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{
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super(serverID, destination);
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this.entryByteArray = new byte[length];
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System.arraycopy(entryBytes, startPos, this.entryByteArray, 0, length);
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this.msgId = msgId;
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}
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/**
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* Creates a new EntryMsg 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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* @param version The protocol version to use to decode the msg
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* @throws DataFormatException If the byte array does not contain a valid
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* encoded form of the ServerStartMessage.
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*/
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EntryMsg(byte[] in, short version) throws DataFormatException
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{
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final ByteArrayScanner scanner = new ByteArrayScanner(in);
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final byte msgType = scanner.nextByte();
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if (msgType != MSG_TYPE_ENTRY)
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{
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throw new DataFormatException("input is not a valid "
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+ getClass().getCanonicalName());
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}
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this.senderID = scanner.nextIntUTF8();
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this.destination = scanner.nextIntUTF8();
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if (version >= ProtocolVersion.REPLICATION_PROTOCOL_V4)
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{
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this.msgId = scanner.nextIntUTF8();
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}
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this.entryByteArray = scanner.remainingBytesZeroTerminated();
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}
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/**
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* Returns the entry bytes.
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* @return The entry bytes.
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*/
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public byte[] getEntryBytes()
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{
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return entryByteArray;
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}
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/** {@inheritDoc} */
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@Override
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public byte[] getBytes(short version)
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{
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final ByteArrayBuilder builder = new ByteArrayBuilder();
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builder.appendByte(MSG_TYPE_ENTRY);
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builder.appendIntUTF8(senderID);
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builder.appendIntUTF8(destination);
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if (version >= ProtocolVersion.REPLICATION_PROTOCOL_V4)
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{
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builder.appendIntUTF8(msgId);
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}
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builder.appendZeroTerminatedByteArray(entryByteArray);
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return builder.toByteArray();
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}
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/**
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* Return the msg id.
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* @return The msg id.
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*/
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public int getMsgId()
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{
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return this.msgId;
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}
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/**
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* Set the msg id.
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* @param msgId The msg id.
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*/
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public void setMsgId(int msgId)
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{
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this.msgId = msgId;
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}
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}
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