| | |
| | | * CDDL HEADER END |
| | | * |
| | | * |
| | | * Copyright 2006-2009 Sun Microsystems, Inc. |
| | | * Copyright 2006-2010 Sun Microsystems, Inc. |
| | | */ |
| | | package org.opends.server.replication.protocol; |
| | | |
| | |
| | | { |
| | | // The byte array containing the bytes of the entry transported |
| | | private byte[] entryByteArray; |
| | | private int msgId = -1; // from V4 |
| | | |
| | | /** |
| | | * Creates a new EntryMsg. |
| | |
| | | * @param sender The sender of this message. |
| | | * @param destination The destination of this message. |
| | | * @param entryBytes The bytes of the entry. |
| | | * @param msgId Message counter. |
| | | */ |
| | | public EntryMsg( |
| | | int sender, |
| | | int destination, |
| | | byte[] entryBytes) |
| | | byte[] entryBytes, |
| | | int msgId) |
| | | { |
| | | super(sender, destination); |
| | | this.entryByteArray = new byte[entryBytes.length]; |
| | | System.arraycopy(entryBytes, 0, this.entryByteArray, 0, entryBytes.length); |
| | | this.msgId = msgId; |
| | | } |
| | | |
| | | /** |
| | | * Creates a new EntryMsg. |
| | | * |
| | | * @param serverID The sender of this message. |
| | | * @param i The destination of this message. |
| | | * @param entryBytes The bytes of the entry. |
| | | * @param serverID The sender of this message. |
| | | * @param i The destination of this message. |
| | | * @param entryBytes The bytes of the entry. |
| | | * @param pos The starting Position in the array. |
| | | * @param length Number of array elements to be copied. |
| | | * @param msgId Message counter. |
| | | */ |
| | | public EntryMsg( |
| | | int serverID, |
| | | int i, |
| | | byte[] entryBytes, |
| | | int pos, |
| | | int length) |
| | | int length, |
| | | int msgId) |
| | | { |
| | | super(serverID, i); |
| | | this.entryByteArray = new byte[length]; |
| | | System.arraycopy(entryBytes, pos, this.entryByteArray, 0, length); |
| | | this.msgId = msgId; |
| | | } |
| | | |
| | | /** |
| | | * Creates a new EntryMsg from its encoded form. |
| | | * |
| | | * @param in The byte array containing the encoded form of the message. |
| | | * @param version The protocol version to use to decode the msg |
| | | * @throws DataFormatException If the byte array does not contain a valid |
| | | * encoded form of the ServerStartMessage. |
| | | */ |
| | | public EntryMsg(byte[] in) throws DataFormatException |
| | | public EntryMsg(byte[] in, short version) throws DataFormatException |
| | | { |
| | | try |
| | | { |
| | | /* first byte is the type */ |
| | | if (in[0] != MSG_TYPE_ENTRY) |
| | | throw new DataFormatException("input is not a valid ServerStart msg"); |
| | | throw new DataFormatException("input is not a valid " + |
| | | this.getClass().getCanonicalName()); |
| | | int pos = 1; |
| | | |
| | | // sender |
| | |
| | | pos += length +1; |
| | | |
| | | // entry |
| | | length = in.length - (pos + 1); |
| | | length = getNextLength(in, pos); |
| | | this.entryByteArray = new byte[length]; |
| | | for (int i=0; i<length; i++) |
| | | { |
| | | entryByteArray[i] = in[pos+i]; |
| | | } |
| | | pos += length +1; |
| | | |
| | | if (version >= ProtocolVersion.REPLICATION_PROTOCOL_V4) |
| | | { |
| | | // msgCnt |
| | | length = getNextLength(in, pos); |
| | | String msgcntString = new String(in, pos, length, "UTF-8"); |
| | | this.msgId = Integer.valueOf(msgcntString); |
| | | pos += length +1; |
| | | } |
| | | } |
| | | catch (UnsupportedEncodingException e) |
| | | { |
| | |
| | | */ |
| | | @Override |
| | | public byte[] getBytes() |
| | | throws UnsupportedEncodingException |
| | | { |
| | | return getBytes(ProtocolVersion.getCurrentVersion()); |
| | | } |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | @Override |
| | | public byte[] getBytes(short version) |
| | | { |
| | | try { |
| | | byte[] senderBytes = String.valueOf(senderID).getBytes("UTF-8"); |
| | | byte[] destinationBytes = String.valueOf(destination).getBytes("UTF-8"); |
| | | byte[] msgCntBytes = null; |
| | | byte[] entryBytes = entryByteArray; |
| | | |
| | | int length = 1 + senderBytes.length + |
| | | 1 + destinationBytes.length + |
| | | 1 + entryBytes.length + 1; |
| | | |
| | | if (version >= ProtocolVersion.REPLICATION_PROTOCOL_V4) |
| | | { |
| | | msgCntBytes = String.valueOf(msgId).getBytes("UTF-8"); |
| | | length += (1 + msgCntBytes.length); |
| | | } |
| | | |
| | | byte[] resultByteArray = new byte[length]; |
| | | |
| | | /* put the type of the operation */ |
| | |
| | | pos = addByteArray(senderBytes, resultByteArray, pos); |
| | | pos = addByteArray(destinationBytes, resultByteArray, pos); |
| | | pos = addByteArray(entryBytes, resultByteArray, pos); |
| | | if (version >= ProtocolVersion.REPLICATION_PROTOCOL_V4) |
| | | pos = addByteArray(msgCntBytes, resultByteArray, pos); |
| | | |
| | | return resultByteArray; |
| | | } |
| | | catch (UnsupportedEncodingException e) |
| | |
| | | return null; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Return the msg id. |
| | | * @return The msg id. |
| | | */ |
| | | public int getMsgId() |
| | | { |
| | | return this.msgId; |
| | | } |
| | | |
| | | /** |
| | | * Set the msg id. |
| | | * @param msgId The msg id. |
| | | */ |
| | | public void setMsgId(int msgId) |
| | | { |
| | | this.msgId = msgId; |
| | | } |
| | | } |