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/*
* Wireless Host Monitor
*
* Copyright (C) 2003, Jonathan Sevy <jsevy@mcs.drexel.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package airporthostmon;
import java.util.*;
/**
* Collects together information about the location of pieces of information
* in the 116-byte Discovery memory block, and creates appropriate AirportInfoRecords
* (with ByteBlockWindows into the underlying ByteBlock) to read and write
* the information.
*/
public class AirportDiscoveryInfo extends Hashtable
{
/**
* Create new
*/
public AirportDiscoveryInfo(byte[] baseBlock)
{
int baseStartIndex;
int maxSize;
int dataType;
int encryption;
byte[] bytes;
String name;
/**
* Base station MAC address
*/
baseStartIndex = 0x024;
maxSize = 6;
bytes = new byte[maxSize];
for (int i = 0; i < maxSize; i++)
bytes[i] = baseBlock[baseStartIndex + i];
encryption = AirportInfoRecord.UNENCRYPTED;
dataType = AirportInfoRecord.BYTE_STRING;
name = "Base station Mac address";
this.put(name, new AirportInfoRecord(name, name, dataType, encryption, maxSize, bytes));
/**
* Base station IP address: byte 2*16 + 13
*/
baseStartIndex = 0x02C;
maxSize = 4;
bytes = new byte[maxSize];
for (int i = 0; i < maxSize; i++)
bytes[i] = baseBlock[baseStartIndex + i];
encryption = AirportInfoRecord.UNENCRYPTED;
dataType = AirportInfoRecord.IP_ADDRESS;
name = "Base station IP address";
this.put(name, new AirportInfoRecord(name, name, dataType, encryption, maxSize, bytes));
/**
* Base station name: byte 3*16 + 1
*/
baseStartIndex = 0x030;
maxSize = 32;
bytes = new byte[maxSize];
for (int i = 0; i < maxSize; i++)
bytes[i] = baseBlock[baseStartIndex + i];
encryption = AirportInfoRecord.UNENCRYPTED;
dataType = AirportInfoRecord.CHAR_STRING;
name = "System name";
this.put(name, new AirportInfoRecord(name, name, dataType, encryption, maxSize, bytes));
/**
* Base station uptime: byte 5*16 + 1
*/
baseStartIndex = 0x050;
maxSize = 4;
bytes = new byte[maxSize];
for (int i = 0; i < maxSize; i++)
bytes[i] = baseBlock[baseStartIndex + i];
encryption = AirportInfoRecord.UNENCRYPTED;
dataType = AirportInfoRecord.UNSIGNED_INTEGER;
name = "Base station uptime";
this.put(name, new AirportInfoRecord(name, name, dataType, encryption, maxSize, bytes));
/**
* Device identifying string: byte 5*16 + 5
*/
baseStartIndex = 0x054;
maxSize = 32;
bytes = new byte[maxSize];
for (int i = 0; i < maxSize; i++)
bytes[i] = baseBlock[baseStartIndex + i];
encryption = AirportInfoRecord.UNENCRYPTED;
dataType = AirportInfoRecord.CHAR_STRING;
name = "Device identifying string";
this.put(name, new AirportInfoRecord(name, name, dataType, encryption, maxSize, bytes));
}
public AirportInfoRecord get(String name)
{
return (AirportInfoRecord)super.get(name);
}
}
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