/
FileFsFullSizeInformation.java
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/
FileFsFullSizeInformation.java
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/*
* © 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.fscc;
import jcifs.Decodable;
import jcifs.internal.AllocInfo;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;
/**
*
*/
public class FileFsFullSizeInformation implements AllocInfo, FileSystemInformation, Decodable {
private long alloc; // Also handles SmbQueryFSSizeInfo
private long free;
private int sectPerAlloc;
private int bytesPerSect;
/**
* {@inheritDoc}
*
* @see jcifs.internal.fscc.FileSystemInformation#getFileSystemInformationClass()
*/
@Override
public byte getFileSystemInformationClass () {
return FS_FULL_SIZE_INFO;
}
@Override
public long getCapacity () {
return this.alloc * this.sectPerAlloc * this.bytesPerSect;
}
@Override
public long getFree () {
return this.free * this.sectPerAlloc * this.bytesPerSect;
}
/**
* {@inheritDoc}
*
* @see jcifs.Decodable#decode(byte[], int, int)
*/
@Override
public int decode ( byte[] buffer, int bufferIndex, int len ) throws SMBProtocolDecodingException {
int start = bufferIndex;
// Read total allocation units.
this.alloc = SMBUtil.readInt8(buffer, bufferIndex);
bufferIndex += 8;
// read caller available allocation units
this.free = SMBUtil.readInt8(buffer, bufferIndex);
bufferIndex += 8;
// skip actual free units
bufferIndex += 8;
this.sectPerAlloc = SMBUtil.readInt4(buffer, bufferIndex);
bufferIndex += 4;
this.bytesPerSect = SMBUtil.readInt4(buffer, bufferIndex);
bufferIndex += 4;
return bufferIndex - start;
}
@Override
public String toString () {
return new String(
"SmbInfoAllocation[" + "alloc=" + this.alloc + ",free=" + this.free + ",sectPerAlloc=" + this.sectPerAlloc + ",bytesPerSect="
+ this.bytesPerSect + "]");
}
}