com.hierynomus.mssmb2.copy.CopyChunkRequest Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of smbj Show documentation

SMB2 protocol library for communication with Windows servers

There is a newer version: 0.13.0

/*
 * Copyright (C)2016 - SMBJ Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.hierynomus.mssmb2.copy;

import com.hierynomus.smb.SMBBuffer;

import java.util.ArrayList;
import java.util.List;

/**
 * https://msdn.microsoft.com/en-us/library/cc246547.aspx
 */
public class CopyChunkRequest {
    private static final long ctlCode = 0x001480F2l;

    private byte[] resumeKey;
    private List chunks = new ArrayList<>();

    public CopyChunkRequest(byte[] resumeKey, List chunks) {
        this.resumeKey = resumeKey;
        this.chunks.addAll(chunks);
    }

    public static long getCtlCode() {
        return ctlCode;
    }

    public byte[] getResumeKey() {
        return resumeKey;
    }

    public List getChunks() {
        return chunks;
    }

    public void write(SMBBuffer buffer) {
        buffer.putRawBytes(getResumeKey());  //RESUME KEY
        buffer.putUInt32(getChunks().size());    //CHUNK COUNT
        buffer.putUInt32(0l);    //reserved
        for (CopyChunkRequest.Chunk chunk : getChunks()){
            buffer.putUInt64(chunk.getSrcOffset());//source offset
            buffer.putUInt64(chunk.getTgtOffset());//target offset
            buffer.putUInt32(chunk.getLength()); //length
            buffer.putUInt32(0); //reserved 0 always
        }
    }

    /**
     *https://msdn.microsoft.com/en-us/library/cc246546.aspx
     */
    public static final class Chunk {
        private long srcOffset;
        private long tgtOffset;
        private long length;

        public Chunk(long srcOffset, long tgtOffset, long length) {
            this.srcOffset = srcOffset;
            this.tgtOffset = tgtOffset;
            this.length = length;
        }

        public long getSrcOffset() {
            return srcOffset;
        }

        public long getTgtOffset() {
            return tgtOffset;
        }

        public long getLength() {
            return length;
        }
    }
}