/* jcifs smb client library in Java
 * Copyright (C) 2000  "Michael B. Allen" <jcifs at samba dot org>
 *
 * 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 com.knowgate.jcifs.smb;

import java.io.IOException;
import java.io.InputStream;

class SmbComReadAndXResponse extends AndXServerMessageBlock {

    private int dataCompactionMode, dataOffset;

    byte[] b;
    int dataLength, off;

    SmbComReadAndXResponse() {
    }
    SmbComReadAndXResponse( byte[] b, int off ) {
        this.b = b;
        this.off = off;
    }

    void setParam( byte[] b, int off ) {
        this.b = b;
        this.off = off;
    }
    int writeParameterWordsWireFormat( byte[] dst, int dstIndex ) {
        return 0;
    }
    int writeBytesWireFormat( byte[] dst, int dstIndex ) {
        return 0;
    }
    int readParameterWordsWireFormat( byte[] buffer, int bufferIndex ) {
        int start = bufferIndex;

        bufferIndex += 2; // reserved
        dataCompactionMode = readInt2( buffer, bufferIndex );
        bufferIndex += 4; // 2 reserved
        dataLength = readInt2( buffer, bufferIndex );
        bufferIndex += 2;
        dataOffset = readInt2( buffer, bufferIndex );
        bufferIndex += 12; // 10 reserved

        return bufferIndex - start;
    }
    int readBytesWireFormat( byte[] buffer, int bufferIndex ) {
        return 0;
    }
    int readBytesDirectWireFormat( InputStream in, int byteCount,
                byte[] buffer, int bufferIndex ) throws IOException {
        int pad = dataOffset - ( HEADER_LENGTH + 3 + wordCount * 2 );
        in.read( buffer, bufferIndex, pad ); /* needed for signing */
        in.read( b, off, dataLength );
        return dataLength;
    }
    public String toString() {
        return new String( "SmbComReadAndXResponse[" +
            super.toString() +
            ",dataCompactionMode=" + dataCompactionMode +
            ",dataLength=" + dataLength +
            ",dataOffset=" + dataOffset + "]" );
    }
}