com.tesora.dve.mysqlapi.repl.messages.MyComBinLogDumpRequest.java Source code

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Here is the source code for com.tesora.dve.mysqlapi.repl.messages.MyComBinLogDumpRequest.java

Source

package com.tesora.dve.mysqlapi.repl.messages;

/*
 * #%L
 * Tesora Inc.
 * Database Virtualization Engine
 * %%
 * Copyright (C) 2011 - 2014 Tesora Inc.
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 * 
 * 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 this program. If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */

import io.netty.buffer.ByteBuf;
import io.netty.util.CharsetUtil;

import com.tesora.dve.db.mysql.libmy.MyMessageType;
import com.tesora.dve.db.mysql.libmy.MyRequestMessage;

public class MyComBinLogDumpRequest extends MyRequestMessage {

    long binlogPosition;
    int slaveServerID;
    String binlogFileName = null;

    public MyComBinLogDumpRequest() {
    }

    public MyComBinLogDumpRequest(int slaveServerId, long binlogPosition, String binlogFileName) {
        this.slaveServerID = slaveServerId;
        this.binlogPosition = binlogPosition;
        this.binlogFileName = binlogFileName;
    }

    public long getBinlogPosition() {
        return binlogPosition;
    }

    public int getSlaveServerID() {
        return slaveServerID;
    }

    public String getBinlogFileName() {
        return binlogFileName;
    }

    @Override
    public void marshallMessage(ByteBuf cb) {
        cb.writeInt((int) binlogPosition);
        cb.writeZero(2); // binlog_flags
        cb.writeInt(slaveServerID);
        if (binlogFileName != null) {
            cb.writeBytes(binlogFileName.getBytes(CharsetUtil.UTF_8));
        }
    }

    @Override
    public void unmarshallMessage(ByteBuf cb) {
        binlogPosition = cb.readUnsignedInt();
        cb.skipBytes(2);
        slaveServerID = cb.readInt();
        if (cb.readableBytes() > 0) {
            binlogFileName = cb.readSlice(cb.readableBytes()).toString(CharsetUtil.UTF_8);
        }
    }

    @Override
    public MyMessageType getMessageType() {
        return MyMessageType.COM_BINLOG_DUMP_REQUEST;
    }
}