/* This file is part of VoltDB.
* Copyright (C) 2008-2014 VoltDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with VoltDB. If not, see <http://www.gnu.org/licenses/>.
*/
package org.voltcore.messaging;
import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.LinkedList;
import com.google_voltpatches.common.collect.ImmutableList;
import org.apache.zookeeper_voltpatches.data.Id;
import org.apache.zookeeper_voltpatches.server.Request;
public class AgreementTaskMessage extends VoltMessage {
public Request m_request;
public long m_txnId;
public long m_initiatorHSId;
public long m_lastSafeTxnId;
private LinkedList<byte[]> m_schemes = new LinkedList<byte[]>();
private LinkedList<byte[]> m_ids = new LinkedList<byte[]>();
public AgreementTaskMessage() {}
public AgreementTaskMessage(Request request, long txnId, long initiatorHSId, long lastSafeTxnId) {
m_request = new Request(request);
m_txnId = txnId;
m_initiatorHSId = initiatorHSId;
m_lastSafeTxnId = lastSafeTxnId;
}
@Override
public void initFromBuffer(ByteBuffer buf) {
m_txnId = buf.getLong();
m_initiatorHSId = buf.getLong();
m_lastSafeTxnId = buf.getLong();
long sessionId = buf.getLong();
int cxid = buf.getInt();
int type = buf.getInt();
int requestBytesLength = buf.getInt();
ByteBuffer requestBuffer = null;
if (requestBytesLength > -1) {
int oldlimit = buf.limit();
int oldposition = buf.position();
buf.limit(buf.position() + requestBytesLength);
requestBuffer = buf.slice();
buf.limit(oldlimit);
buf.position(oldposition + requestBytesLength);
}
m_request = new Request(null, sessionId, cxid, type, requestBuffer, ImmutableList.<Id>of());
assert(buf.capacity() == buf.position());
}
@Override
public int getSerializedSize() {
int msgsize = 44 + super.getSerializedSize();
if (m_request.request != null) {
msgsize += m_request.request.remaining();
}
return msgsize;
}
@Override
public void flattenToBuffer(ByteBuffer buf) {
buf.put(VoltMessageFactory.AGREEMENT_TASK_ID);
buf.putLong(m_txnId);
buf.putLong(m_initiatorHSId);
buf.putLong(m_lastSafeTxnId);
buf.putLong(m_request.sessionId);
buf.putInt(m_request.cxid);
buf.putInt(m_request.type);
if (m_request.request != null) {
buf.putInt(m_request.request.remaining());
buf.put(m_request.request.duplicate());
} else {
buf.putInt(-1);
}
assert(buf.capacity() == buf.position());
buf.limit(buf.position());
m_ids = null;
m_schemes = null;
}
}