/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.sshd.client.subsystem.sftp.extensions.helpers;
import java.io.IOException;
import java.util.Collection;
import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
import org.apache.sshd.client.subsystem.sftp.SftpClient;
import org.apache.sshd.client.subsystem.sftp.SftpClient.Handle;
import org.apache.sshd.client.subsystem.sftp.extensions.CopyDataExtension;
import org.apache.sshd.common.subsystem.sftp.SftpConstants;
import org.apache.sshd.common.util.NumberUtils;
import org.apache.sshd.common.util.buffer.Buffer;
/**
* Implements the "copy-data" extension
*
* @see <A HREF="http://tools.ietf.org/id/draft-ietf-secsh-filexfer-extensions-00.txt">DRFAT 00 - section 7</A>
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class CopyDataExtensionImpl extends AbstractSftpClientExtension implements CopyDataExtension {
public CopyDataExtensionImpl(SftpClient client, RawSftpClient raw, Collection<String> extra) {
super(SftpConstants.EXT_COPY_DATA, client, raw, extra);
}
@Override
public void copyData(Handle readHandle, long readOffset, long readLength, Handle writeHandle, long writeOffset) throws IOException {
byte[] srcId = readHandle.getIdentifier();
byte[] dstId = writeHandle.getIdentifier();
Buffer buffer = getCommandBuffer(Integer.BYTES + NumberUtils.length(srcId)
+ Integer.BYTES + NumberUtils.length(dstId)
+ (3 * (Long.SIZE + Integer.BYTES)));
buffer.putBytes(srcId);
buffer.putLong(readOffset);
buffer.putLong(readLength);
buffer.putBytes(dstId);
buffer.putLong(writeOffset);
sendAndCheckExtendedCommandStatus(buffer);
}
}