107 lines
2.8 KiB
Java
107 lines
2.8 KiB
Java
/*
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* ScsiAdr.java
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*
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* Copyright (c) 2007 Vreixo Formoso
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See COPYING file for details.
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*/
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package org.pykix.libburnia.libburn;
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/**
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* SCSI address.
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*
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* @author Vreixo Formoso
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* @since 0.1
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*/
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public class ScsiAdr {
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/** "Bus Number" (something like a virtual controller) */
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public int busNo;
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/** "Host Number" (something like half a virtual controller) */
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public int hostNo;
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/** "Channel Number" (other half of "Host Number"). */
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public int channelNo;
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/** "Target Number" or "SCSI Id" (a device). */
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public int targetNo;
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/** "Logical Unit Number" (a sub device). */
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public int lunNo;
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/**
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* Creates a new SCSI address.
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*
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* Note: bus and (host,channel) are supposed to be redundant.
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*
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* @param busNo
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* @param hostNo
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* @param channelNo
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* @param targetNo
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* @param lunNo
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*/
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public ScsiAdr(int busNo, int hostNo, int channelNo, int targetNo,
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int lunNo) {
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super();
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this.busNo = busNo;
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this.hostNo = hostNo;
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this.channelNo = channelNo;
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this.targetNo = targetNo;
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this.lunNo = lunNo;
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}
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/**
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* Try to convert a given SCSI address of bus,host,channel,target,lun into
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* a persistent drive address. If a SCSI address component parameter is < 0
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* then it is not decisive and the first enumerated address which matches
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* the >= 0 parameters is taken as result.
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*
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* @param adr
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* SCSI adr to conver
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* @return
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* The persistent drive address
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* @throws BurnException
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* On error.
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*/
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public static String converScsiAdr(ScsiAdr adr) throws BurnException {
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return burn_drive_convert_scsi_adr(adr.busNo, adr.hostNo, adr.channelNo,
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adr.targetNo, adr.lunNo);
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}
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/**
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* Try to obtain bus,host,channel,target,lun from path. If there is an SCSI
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* address at all, then this call should succeed with a persistent
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* drive address obtained via {@link DriveInfo#getAdr()}. It is also supposed
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* to succeed with any device file of a (possibly emulated) SCSI device.
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*
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* @param path
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*
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* @return
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* @throws BurnException
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* On error
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*/
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public static ScsiAdr obtainScsiAdr(String path) throws BurnException {
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return burn_drive_obtain_scsi_adr(path);
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}
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@Override
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public String toString() {
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return "busNo=" + busNo + ", hostNo=" + hostNo + ", channelNo=" +
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channelNo + ", targetNo=" + targetNo + " ,lunNo=" + lunNo;
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}
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private native static String burn_drive_convert_scsi_adr(int bus_no,
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int host_no, int channel_no, int target_no, int lun_no)
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throws BurnException;
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private native static ScsiAdr burn_drive_obtain_scsi_adr(String path)
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throws BurnException;
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}
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