org.dcache.xrootd.protocol.messages.ReadRequest.java Source code

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Here is the source code for org.dcache.xrootd.protocol.messages.ReadRequest.java

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/**
 * Copyright (C) 2011-2018 dCache.org <support@dcache.org>
 *
 * This file is part of xrootd4j.
 *
 * xrootd4j 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 3 of the License, or
 * (at your option) any later version.
 *
 * xrootd4j 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 xrootd4j.  If not, see http://www.gnu.org/licenses/.
 */
package org.dcache.xrootd.protocol.messages;

import static org.dcache.xrootd.protocol.XrootdProtocol.kXR_read;
import io.netty.buffer.ByteBuf;

public class ReadRequest extends GenericReadRequestMessage {
    private final int fhandle;
    private final long offset;
    private final int rlen;

    public ReadRequest(ByteBuf buffer) {
        super(buffer, kXR_read);

        fhandle = buffer.getInt(4);
        offset = buffer.getLong(8);
        rlen = buffer.getInt(16);
    }

    public int getFileHandle() {
        return fhandle;
    }

    public long getReadOffset() {
        return offset;
    }

    public int bytesToRead() {
        return rlen;
    }

    public int NumberOfPreReads() {
        return getSizeOfList();
    }

    public EmbeddedReadRequest[] getPreReadRequestList() {
        return getReadRequestList();
    }

    @Override
    public String toString() {
        return String.format("read[handle=%d,offset=%d,length=%d]", fhandle, offset, rlen);
    }
}