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/*
* IPInspector
*
* Copyright (C) 2002, 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.io.*;
import java.util.*;
public class HostInfoChangeEmailer
implements HostInfoChangeListener
{
String userEmailAddress;
String mailHost;
String baseStationName = "";
int notifyMode;
Writer errorWriter;
MailerThread mailerThread;
public HostInfoChangeEmailer(String userEmailAddress, String mailHost, int notifyMode, Writer errorWriter)
{
this.userEmailAddress = userEmailAddress;
this.mailHost = mailHost;
this.baseStationName = baseStationName;
this.notifyMode = notifyMode;
this.errorWriter = errorWriter;
}
// do whatever in response to a change in the retrieved info
public void processHostInfoChange(HostInfoTreeMap oldInfo, HostInfoTreeMap newInfo)
throws HostInfoChangeException
{
String messageText = "";
// see if any new hosts have appeared
switch (notifyMode)
{
case Preferences2.NOTIFY_ALL:
case Preferences2.NOTIFY_UNKNOWN:
{
// send email for hosts that are in the new info and not in the old
Iterator iterator = newInfo.keySet().iterator();
while(iterator.hasNext())
{
Object key = iterator.next();
//System.out.println("Processing key " + key);
if (oldInfo.containsKey(key))
{
// we already know about this guy; continue
continue;
}
// a new arrival; get info
HostInfo newHostInfo = (HostInfo)newInfo.get(key);
// if mode is NOTIFY_UNKNOWN, beep only for hosts that are unknown
if ((notifyMode == Preferences2.NOTIFY_UNKNOWN) && (newHostInfo.known == true))
{
// we know this guy; continue
continue;
}
// previously unseen host - add to message
if (newHostInfo.known == true)
messageText += "Name: " + newHostInfo.name + "\r\n";
else
messageText += "Name: Unknown host\r\n";;
messageText += "MAC address: " + newHostInfo.macAddress + "\r\n";
messageText += "IP address: " + newHostInfo.ipAddress + "\r\n";
if (newHostInfo.timeAssociated < 0)
messageText += "Time associated: unknown\r\n";
else
messageText += "Time associated: " + newHostInfo.timeAssociated + "\r\n";
messageText += "\r\n";
}
break;
}
case Preferences2.NOTIFY_NONE:
default:
{
// pretty boring choice, n'est-ce pas?
break;
}
}
// see if have any hosts in message
if (messageText.equals(""))
{
// no new hosts; return
return;
}
// have new hosts; create message
String messageHeader = "To: " + userEmailAddress + "\r\n";
messageHeader += "From: Airport base station (" + baseStationName + ")\r\n";
messageHeader += "Date: " + (new Date()).toString() + "\r\n";
messageHeader += "Subject: New host(s) associated with base station\r\n\r\n\r\n";
messageHeader += "Time: " + (new Date()).toString() + "\r\n";
messageHeader += "New host(s) associated with base station " + baseStationName + ":\r\n\r\n\r\n";
messageText = messageHeader + messageText;
// start mailer thread
mailerThread = new MailerThread(userEmailAddress, mailHost, messageText, errorWriter);
mailerThread.start();
}
public void setBaseStationName(String baseStationName)
{
this.baseStationName = baseStationName;
}
}
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