jcifs.internal.smb2.lock.Smb2OplockBreakNotification Maven / Gradle / Ivy

/*
 * © 2017 AgNO3 Gmbh & Co. KG
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.lock;


import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;


/**
 * @author mbechler
 *
 */
public class Smb2OplockBreakNotification extends ServerMessageBlock2Response {

    private byte oplockLevel;
    private byte[] fileId;


    /**
     * @param config
     */
    public Smb2OplockBreakNotification ( Configuration config ) {
        super(config);
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#writeBytesWireFormat(byte[], int)
     */
    @Override
    protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
        return 0;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
     */
    @Override
    protected int readBytesWireFormat ( byte[] buffer, int bufferIndex ) throws SMBProtocolDecodingException {
        int start = bufferIndex;
        int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if ( structureSize != 24 ) {
            throw new SMBProtocolDecodingException("Expected structureSize = 24");
        }

        this.oplockLevel = buffer[ bufferIndex + 2 ];
        bufferIndex += 4;
        bufferIndex += 4; // Reserved2

        this.fileId = new byte[16];
        System.arraycopy(buffer, bufferIndex, this.fileId, 0, 16);
        bufferIndex += 16;

        return bufferIndex - start;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#toString()
     */
    @Override
    public String toString () {
        return "Smb2OpblockBreakNotification[oplockLevel=" + this.oplockLevel + ",fileId=" + Hexdump.toHexString(this.fileId) + "]";
    }
}