snmp

SNMPTrapTest.java
/*
* SNMP Trap Test
*
* Copyright (C) 2004, Jonathan Sevy <[e-mail]>
*
* This is free software. Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that the following conditions
* are met:
*
*  1. Redistributions of source code must retain the above copyright notice, this
*     list of conditions and the following disclaimer.
*  2. Redistributions in binary form must reproduce the above copyright notice,
*     this list of conditions and the following disclaimer in the documentation
*     and/or other materials provided with the distribution.
*  3. The name of the author may not be used to endorse or promote products
*     derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/



import java.util.*;
import java.net.*;
import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.*;
import java.awt.event.*;
import java.io.*;

import snmp.*;




public class SNMPTrapTest extends JFrame
                            implements ActionListener, SNMPv1TrapListener, SNMPv2TrapListener, SNMPv2InformRequestListener, Runnable
{
   
    private static final long serialVersionUID = 3046898865193941872L;
   
    JButton sendv1TrapButton, sendv2TrapButton, sendv2InformRequestButton, receiveButton;
    JButton clearButton;
    JTextArea messagesArea;
    JScrollPane messagesScroll;
    JTextField hostIDField, communityField, OIDField, valueField, enterpriseField, agentField;
    JLabel authorLabel, hostIDLabel, communityLabel, OIDLabel, valueLabel, enterpriseLabel, agentLabel, genericTrapLabel, specificTrapLabel;
    JComboBox valueTypeBox, genericTrapBox, specificTrapBox;
   
    MenuBar theMenubar;
    Menu fileMenu;
    MenuItem aboutItem, quitItem;
   
   
    SNMPTrapReceiverInterface trapReceiverInterface;
    SNMPTrapSenderInterface trapSenderInterface;
    SNMPInformRequestSenderInterface informRequestSenderInterface;
   
    PipedReader errorReader;
    PipedWriter errorWriter;
    Thread readerThread;
   
   
   
   
    // WindowCloseAdapter to catch window close-box closings
    private class WindowCloseAdapter extends WindowAdapter
    {
        public void windowClosing(WindowEvent e)
        {
            readerThread.interrupt();
            System.exit(0);
        }
    };
           
   
    public SNMPTrapTest()
    {
        setUpDisplay();
           
        try
        {
            errorReader = new PipedReader();
            errorWriter = new PipedWriter(errorReader);
           
            readerThread = new Thread(this);
            readerThread.start();
           
            trapReceiverInterface = new SNMPTrapReceiverInterface(new PrintWriter(errorWriter));
            trapReceiverInterface.addv1TrapListener(this);
            trapReceiverInterface.addv2TrapListener(this);
            trapReceiverInterface.addv2InformRequestListener(this);
            trapReceiverInterface.startReceiving();
           
            trapSenderInterface = new SNMPTrapSenderInterface();
            informRequestSenderInterface = new SNMPInformRequestSenderInterface();
           
        }
        catch(Exception e)
        {
            messagesArea.append("Problem starting Trap Test: " + e.toString() + "\n");
        }
    }
   
   
   
    private void setUpDisplay()
    {
       
        this.setTitle("SNMP Trap and Inform Test");
           
        this.getRootPane().setBorder(new BevelBorder(BevelBorder.RAISED));
       
        // set fonts to smaller-than-normal size, for compaction!
        /*
        FontUIResource appFont = new FontUIResource("SansSerif", Font.PLAIN, 10);
        UIDefaults defaults = UIManager.getLookAndFeelDefaults();
        Enumeration keys = defaults.keys();
       
        while (keys.hasMoreElements())
        {
            String nextKey = (String)(keys.nextElement());
            if ((nextKey.indexOf("font") > -1) || (nextKey.indexOf("Font") > -1))
            {
                UIManager.put(nextKey, appFont);
            }
        }
        */
       
       
        // add WindowCloseAdapter to catch window close-box closings
        addWindowListener(new WindowCloseAdapter());

       
        theMenubar = new MenuBar();
        this.setMenuBar(theMenubar);
        fileMenu = new Menu("File");
       
        aboutItem = new MenuItem("About...");
        aboutItem.setActionCommand("about");
        aboutItem.addActionListener(this);
        fileMenu.add(aboutItem);
       
        fileMenu.addSeparator();
       
        quitItem = new MenuItem("Quit");
        quitItem.setActionCommand("quit");
        quitItem.addActionListener(this);
        fileMenu.add(quitItem);
       
        theMenubar.add(fileMenu);
       
       
        hostIDLabel = new JLabel("Trap receiver address:");
        hostIDField = new JTextField(20);
        hostIDField.setText("10.0.1.1");
        hostIDField.setEditable(true);
       
        OIDLabel = new JLabel("additional variable OID:");
        OIDField = new JTextField(20);
        OIDField.setEditable(true);
       
        valueLabel = new JLabel("Value for additional variable:");
        valueField = new JTextField(20);
        valueField.setEditable(true);
       
        communityLabel = new JLabel("Community:");
        communityField = new JTextField(20);
        communityField.setText("public");
        communityField.setEditable(true);
       
        authorLabel = new JLabel(" Version 1.1        J. Sevy, January 2001 ");
        authorLabel.setFont(new Font("SansSerif", Font.ITALIC,);
           
       
        sendv1TrapButton = new JButton("Send v1 trap");
        sendv1TrapButton.setActionCommand("send v1 trap");
        sendv1TrapButton.addActionListener(this);
       
        sendv2TrapButton = new JButton("Send v2 trap");
        sendv2TrapButton.setActionCommand("send v2 trap");
        sendv2TrapButton.addActionListener(this);
       
        sendv2InformRequestButton = new JButton("Send v2 inform request");
        sendv2InformRequestButton.setActionCommand("send v2 inform request");
        sendv2InformRequestButton.addActionListener(this);
       
        receiveButton = new JButton("Stop receiving");
        receiveButton.setActionCommand("stop receiving");
        receiveButton.addActionListener(this);
       
        clearButton = new JButton("Clear messages");
        clearButton.setActionCommand("clear messages");
        clearButton.addActionListener(this);
       
        messagesArea = new JTextArea(10,60);
        messagesScroll = new JScrollPane(messagesArea);
       
        valueTypeBox = new JComboBox();
        valueTypeBox.addItem("SNMPInteger");
        valueTypeBox.addItem("SNMPCounter32");
        valueTypeBox.addItem("SNMPCounter64");
        valueTypeBox.addItem("SNMPGauge32");
        valueTypeBox.addItem("SNMPOctetString");
        valueTypeBox.addItem("SNMPIPAddress");
        valueTypeBox.addItem("SNMPNSAPAddress");
        valueTypeBox.addItem("SNMPObjectIdentifier");
        valueTypeBox.addItem("SNMPTimeTicks");
        valueTypeBox.addItem("SNMPUInteger32");
       
       
       
        enterpriseLabel = new JLabel("Enterprise OID:");
        enterpriseField = new JTextField(20);
        enterpriseField.setEditable(true);
       
        agentLabel = new JLabel("Agent IP address:");
        agentField = new JTextField(20);
        agentField.setEditable(true);
       
        genericTrapLabel = new JLabel("Generic trap:");
        genericTrapBox = new JComboBox();
        genericTrapBox.addItem("Cold start (0)");
        genericTrapBox.addItem("Warm start (1)");
        genericTrapBox.addItem("Link down (2)");
        genericTrapBox.addItem("Link up (3)");
        genericTrapBox.addItem("Authentication failure (4)");
        genericTrapBox.addItem("EGP neighbor loss (5)");
        genericTrapBox.addItem("Enterprise specific (6)");
       
       
        specificTrapLabel = new JLabel("Specific trap:");
        specificTrapBox = new JComboBox();
        specificTrapBox.addItem("0");
        specificTrapBox.addItem("1");
        specificTrapBox.addItem("2");
        specificTrapBox.addItem("3");
        specificTrapBox.addItem("4");
        specificTrapBox.addItem("4");
       

       
        // now set up display
       
        // set params for layout manager
        GridBagLayout  theLayout = new GridBagLayout();
        GridBagConstraints c = new GridBagConstraints();
       
        c.gridwidth = 1;
        c.gridheight = 1;
        c.fill = GridBagConstraints.NONE;
        c.ipadx = 0;
        c.ipady = 0;
        c.insets = new Insets(2,2,2,2);
        c.anchor = GridBagConstraints.CENTER;
        c.weightx = 0;
        c.weighty = 0;
       
       
        JPanel buttonPanel = new JPanel();
        buttonPanel.setLayout(theLayout);
       
        c.gridx = 1;
        c.gridy = 1;
        theLayout.setConstraints(sendv1TrapButton, c);
        buttonPanel.add(sendv1TrapButton);
       
        c.gridx = 2;
        c.gridy = 1;
        theLayout.setConstraints(sendv2TrapButton, c);
        buttonPanel.add(sendv2TrapButton);
       
        c.gridx = 3;
        c.gridy = 1;
        theLayout.setConstraints(sendv2InformRequestButton, c);
        buttonPanel.add(sendv2InformRequestButton);
       
        c.gridx = 4;
        c.gridy = 1;
        theLayout.setConstraints(receiveButton, c);
        buttonPanel.add(receiveButton);
       
        JPanel hostPanel = new JPanel();
        hostPanel.setLayout(theLayout);
       
        c.gridx = 1;
        c.gridy = 1;
        theLayout.setConstraints(hostIDLabel, c);
        hostPanel.add(hostIDLabel);
       
        c.gridx = 2;
        c.gridy = 1;
        theLayout.setConstraints(hostIDField, c);
        hostPanel.add(hostIDField);
       
        c.gridx = 1;
        c.gridy = 2;
        theLayout.setConstraints(communityLabel, c);
        hostPanel.add(communityLabel);
       
        c.gridx = 2;
        c.gridy = 2;
        theLayout.setConstraints(communityField, c);
        hostPanel.add(communityField);
       
       
       
        JPanel oidPanel = new JPanel();
        oidPanel.setLayout(theLayout);
       
        c.gridx = 1;
        c.gridy = 1;
        theLayout.setConstraints(enterpriseLabel, c);
        oidPanel.add(enterpriseLabel);
       
        c.gridx = 2;
        c.gridy = 1;
        theLayout.setConstraints(enterpriseField, c);
        oidPanel.add(enterpriseField);
       
        c.gridx = 1;
        c.gridy = 2;
        theLayout.setConstraints(agentLabel, c);
        oidPanel.add(agentLabel);
       
        c.gridx = 2;
        c.gridy = 2;
        theLayout.setConstraints(agentField, c);
        oidPanel.add(agentField);
       
        c.gridx = 1;
        c.gridy = 3;
        theLayout.setConstraints(genericTrapLabel, c);
        oidPanel.add(genericTrapLabel);
       
        c.gridx = 2;
        c.gridy = 3;
        theLayout.setConstraints(genericTrapBox, c);
        oidPanel.add(genericTrapBox);
       
        c.gridx = 1;
        c.gridy = 4;
        theLayout.setConstraints(specificTrapLabel, c);
        oidPanel.add(specificTrapLabel);
       
        c.gridx = 2;
        c.gridy = 4;
        theLayout.setConstraints(specificTrapBox, c);
        oidPanel.add(specificTrapBox);
       
        c.gridx = 1;
        c.gridy = 5;
        theLayout.setConstraints(OIDLabel, c);
        oidPanel.add(OIDLabel);
       
        c.gridx = 2;
        c.gridy = 5;
        theLayout.setConstraints(OIDField, c);
        oidPanel.add(OIDField);
       
        c.gridx = 1;
        c.gridy = 6;
        theLayout.setConstraints(valueLabel, c);
        oidPanel.add(valueLabel);
       
        c.gridx = 2;
        c.gridy = 6;
        theLayout.setConstraints(valueField, c);
        oidPanel.add(valueField);
       
        c.gridx = 3;
        c.gridy = 6;
        theLayout.setConstraints(valueTypeBox, c);
        oidPanel.add(valueTypeBox);
       
       
        c.gridwidth = 1;
        c.anchor = GridBagConstraints.CENTER;
       
       
       
        JPanel messagesPanel = new JPanel();
        messagesPanel.setLayout(theLayout);
       
        c.gridx = 1;
        c.gridy = 1;
        c.anchor = GridBagConstraints.WEST;
        JLabel messagesLabel = new JLabel("Received traps:");
        theLayout.setConstraints(messagesLabel, c);
        messagesPanel.add(messagesLabel);
       
        c.gridx = 2;
        c.gridy = 1;
        c.anchor = GridBagConstraints.EAST;
        theLayout.setConstraints(clearButton, c);
        messagesPanel.add(clearButton);
       
        c.fill = GridBagConstraints.BOTH;
        c.gridx = 1;
        c.gridy = 2;
        c.gridwidth = 2;
        c.weightx = .5;
        c.weighty = .5;
        c.anchor = GridBagConstraints.CENTER;
        theLayout.setConstraints(messagesScroll, c);
        messagesPanel.add(messagesScroll);
       
       
        c.gridwidth = 1;
        c.weightx = 0;
        c.weighty = 0;
       
       
       
        this.getContentPane().setLayout(theLayout);
       
       
        c.gridx = 1;
        c.gridy = 1;
        theLayout.setConstraints(hostPanel, c);
        this.getContentPane().add(hostPanel);
       
        c.gridx = 1;
        c.gridy = 2;
        theLayout.setConstraints(oidPanel, c);
        this.getContentPane().add(oidPanel);
       
        c.gridx = 1;
        c.gridy = 3;
        theLayout.setConstraints(buttonPanel, c);
        this.getContentPane().add(buttonPanel);
       
        c.fill = GridBagConstraints.BOTH;
        c.gridx = 1;
        c.gridy = 4;
        c.weightx = .5;
        c.weighty = .5;
        theLayout.setConstraints(messagesPanel, c);
        this.getContentPane().add(messagesPanel);
       
        c.fill = GridBagConstraints.NONE;
        c.gridx = 1;
        c.gridy = 5;
        c.weightx = 0;
        c.weighty = 0;
        theLayout.setConstraints(authorLabel, c);
        this.getContentPane().add(authorLabel);
       
       
    }
   
   
   
   
   
    public void actionPerformed(ActionEvent theEvent)
    // respond to button pushes, menu selections
    {
        String command = theEvent.getActionCommand();
       
   
        if (command == "quit")
        {
            readerThread.interrupt();
            System.exit(0);
        }
       
       
       
        if (command == "clear messages")
        {
            messagesArea.setText("");
        }
       
       
       
        if (command == "about")
        {
            //AboutDialog aboutDialog = new AboutDialog(this);
        }
       
       
       
        if (command == "stop receiving")
        {
            try
            {
                trapReceiverInterface.stopReceiving();
            }
            catch (SocketException e)
            {
                System.out.println("Got socket exception");
            }
            receiveButton.setText("Start receiving");
            receiveButton.setActionCommand("start receiving");
        }
       
       
       
        if (command == "start receiving")
        {
            trapReceiverInterface.startReceiving();
            receiveButton.setText("Stop receiving");
            receiveButton.setActionCommand("stop receiving");
        }
       
       
       
        if (command == "send v1 trap")
        {
            try
            {
           
                String community = communityField.getText();
                InetAddress hostAddress = InetAddress.getByName(hostIDField.getText());
               
                SNMPObjectIdentifier enterpriseOID = new SNMPObjectIdentifier(enterpriseField.getText());
                SNMPIPAddress agentAddress = new SNMPIPAddress(agentField.getText());
                int genericTrap = genericTrapBox.getSelectedIndex();
                int specificTrap = specificTrapBox.getSelectedIndex();
                SNMPTimeTicks timestamp = new SNMPTimeTicks((long)(System.currentTimeMillis()/10));
               
                // see if have any additional variable pairs to send, and add them to
                // the VarBindList if so
                SNMPVarBindList varBindList = new SNMPVarBindList();
               
                String itemIDString = OIDField.getText();
               
                if (!itemIDString.equals(""))
                {
                    SNMPObjectIdentifier itemID = new SNMPObjectIdentifier(itemIDString);
                   
                    String valueString = valueField.getText();
                    String valueTypeString = (String)valueTypeBox.getSelectedItem();
                    valueTypeString = "snmp." + valueTypeString;
                   
                    SNMPObject itemValue;
                    Class valueClass = Class.forName(valueTypeString);
                    itemValue = (SNMPObject)valueClass.newInstance();
                    itemValue.setValue(valueString);
                   
                    varBindList.addSNMPObject(new SNMPVariablePair(itemID, itemValue));
                }
               
                // create trap pdu
                SNMPv1TrapPDU pdu = new SNMPv1TrapPDU(enterpriseOID, agentAddress, genericTrap, specificTrap, timestamp, varBindList);
   
                // and send it
                messagesArea.append("Sending trap to " + hostIDField.getText() + ":\n");
       
                messagesArea.append("  enterprise OID:     " + pdu.getEnterpriseOID().toString() + "\n");
                messagesArea.append("  agent address:      " + pdu.getAgentAddress().toString() + "\n");
                messagesArea.append("  generic trap:       " + pdu.getGenericTrap() + "\n");
                messagesArea.append("  specific trap:      " + pdu.getSpecificTrap() + "\n");
                messagesArea.append("  timestamp:          " + pdu.getTimestamp() + "\n");
                messagesArea.append("  supplementary vars: " + pdu.getVarBindList().toString() + "\n");
               
                messagesArea.append("\n");
               
               
                trapSenderInterface.sendTrap(hostAddress, community, pdu);
           
            }
            catch(InterruptedIOException e)
            {
                messagesArea.append("Interrupted during trap send:  " + e + "\n");
            }
            catch(Exception e)
            {
                messagesArea.append("Exception during trap send:  " + e + "\n");
            }
        }
       
       
        if (command == "send v2 trap")
        {
            try
            {
           
                String community = communityField.getText();
                InetAddress hostAddress = InetAddress.getByName(hostIDField.getText());
               
               
                // use the enterprise OID field as the snmp trap OID
                SNMPObjectIdentifier snmpTrapOID = new SNMPObjectIdentifier(enterpriseField.getText());
               
                // let uptime just be system time...
                SNMPTimeTicks sysUptime = new SNMPTimeTicks((long)(System.currentTimeMillis()/10));
               
                // see if have any additional variable pairs to send, and add them to
                // the VarBindList if so
                SNMPVarBindList varBindList = new SNMPVarBindList();
               
                String itemIDString = OIDField.getText();
               
                if (!itemIDString.equals(""))
                {
                    SNMPObjectIdentifier itemID = new SNMPObjectIdentifier(itemIDString);
                   
                    String valueString = valueField.getText();
                    String valueTypeString = (String)valueTypeBox.getSelectedItem();
                    valueTypeString = "snmp." + valueTypeString;
                   
                    SNMPObject itemValue;
                    Class valueClass = Class.forName(valueTypeString);
                    itemValue = (SNMPObject)valueClass.newInstance();
                    itemValue.setValue(valueString);
                   
                    varBindList.addSNMPObject(new SNMPVariablePair(itemID, itemValue));
                }
               
                // create trap pdu
                SNMPv2TrapPDU pdu = new SNMPv2TrapPDU(sysUptime, snmpTrapOID, varBindList);
   
                // and send it
                messagesArea.append("Sending trap to " + hostIDField.getText() + ":\n");
       
                messagesArea.append("  system uptime:      " + pdu.getSysUptime().toString() + "\n");
                messagesArea.append("  trap OID:           " + pdu.getSNMPTrapOID().toString() + "\n");
                messagesArea.append("  var bind list:      " + pdu.getVarBindList().toString() + "\n");
               
                messagesArea.append("\n");
               
               
                trapSenderInterface.sendTrap(hostAddress, community, pdu);
           
            }
            catch(InterruptedIOException e)
            {
                messagesArea.append("Interrupted during trap send:  " + e + "\n");
            }
            catch(Exception e)
            {
                messagesArea.append("Exception during trap send:  " + e + "\n");
            }
        }
       
       
        if (command == "send v2 inform request")
        {
            try
            {
           
                String community = communityField.getText();
                InetAddress hostAddress = InetAddress.getByName(hostIDField.getText());
               
               
                // use the enterprise OID field as the snmp trap OID
                SNMPObjectIdentifier snmpTrapOID = new SNMPObjectIdentifier(enterpriseField.getText());
               
                // let uptime just be system time...
                SNMPTimeTicks sysUptime = new SNMPTimeTicks((long)(System.currentTimeMillis()/10));
               
                // see if have any additional variable pairs to send, and add them to
                // the VarBindList if so
                SNMPVarBindList varBindList = new SNMPVarBindList();
               
                String itemIDString = OIDField.getText();
               
                if (!itemIDString.equals(""))
                {
                    SNMPObjectIdentifier itemID = new SNMPObjectIdentifier(itemIDString);
                   
                    String valueString = valueField.getText();
                    String valueTypeString = (String)valueTypeBox.getSelectedItem();
                    valueTypeString = "snmp." + valueTypeString;
                   
                    SNMPObject itemValue;
                    Class valueClass = Class.forName(valueTypeString);
                    itemValue = (SNMPObject)valueClass.newInstance();
                    itemValue.setValue(valueString);
                   
                    varBindList.addSNMPObject(new SNMPVariablePair(itemID, itemValue));
                }
               
                // create inform request pdu
                SNMPv2InformRequestPDU pdu = new SNMPv2InformRequestPDU(sysUptime, snmpTrapOID, varBindList);
   
                // and send it
                messagesArea.append("Sending inform request to " + hostIDField.getText() + ":\n");
       
                messagesArea.append("  system uptime:      " + pdu.getSysUptime().toString() + "\n");
                messagesArea.append("  trap OID:           " + pdu.getSNMPTrapOID().toString() + "\n");
                messagesArea.append("  var bind list:      " + pdu.getVarBindList().toString() + "\n");
               
                messagesArea.append("\n");
               
               
                informRequestSenderInterface.sendInformRequest(hostAddress, community, pdu);
           
            }
            catch(InterruptedIOException e)
            {
                messagesArea.append("Interrupted during inform request send:  " + e + "\n");
            }
            catch(Exception e)
            {
                messagesArea.append("Exception during inform request send:  " + e + "\n");
            }
        }
       
    }
   
   
   
           
   
   
    public void processv1Trap(SNMPv1TrapPDU pdu, String communityName)
    {
        messagesArea.append("Got v1 trap:\n");
       
        messagesArea.append("  community name:     " + communityName + "\n");
        messagesArea.append("  enterprise OID:     " + pdu.getEnterpriseOID().toString() + "\n");
        messagesArea.append("  agent address:      " + pdu.getAgentAddress().toString() + "\n");
        messagesArea.append("  generic trap:       " + pdu.getGenericTrap() + "\n");
        messagesArea.append("  specific trap:      " + pdu.getSpecificTrap() + "\n");
        messagesArea.append("  timestamp:          " + pdu.getTimestamp() + "\n");
        messagesArea.append("  supplementary vars: " + pdu.getVarBindList().toString() + "\n");
       
        messagesArea.append("\n");
       
    }
   
   
   
    public void processv2Trap(SNMPv2TrapPDU pdu, String communityName, InetAddress agentIPAddress)
    {
        messagesArea.append("Got v2 trap:\n");
       
        messagesArea.append("  agent IP address:   " + agentIPAddress.getHostAddress() + "\n");
        messagesArea.append("  community name:     " + communityName + "\n");
        messagesArea.append("  system uptime:      " + pdu.getSysUptime().toString() + "\n");
        messagesArea.append("  trap OID:           " + pdu.getSNMPTrapOID().toString() + "\n");
        messagesArea.append("  var bind list:      " + pdu.getVarBindList().toString() + "\n");
               
        messagesArea.append("\n");
       
    }
   
   
   
    public void processv2InformRequest(SNMPv2InformRequestPDU pdu, String communityName, InetAddress agentIPAddress)
    {
        messagesArea.append("Got v2 inform request:\n");
       
        messagesArea.append("  sender IP address:  " + agentIPAddress.getHostAddress() + "\n");
        messagesArea.append("  community name:     " + communityName + "\n");
        messagesArea.append("  system uptime:      " + pdu.getSysUptime().toString() + "\n");
        messagesArea.append("  trap OID:           " + pdu.getSNMPTrapOID().toString() + "\n");
        messagesArea.append("  var bind list:      " + pdu.getVarBindList().toString() + "\n");
               
        messagesArea.append("\n");
       
    }
   
   
   
   
    public void run()
    {
        int numChars;
        char[] charArray = new char[256];
       
        try
        {
            while (!readerThread.isInterrupted() && ((numChars = errorReader.read(charArray, 0, charArray.length)) != -1))
            {
                messagesArea.append("Problem receiving trap or inform:\n");
                messagesArea.append(new String(charArray, 0, numChars));
                messagesArea.append("\n\n");
            }
        }
        catch(IOException e)
        {
            messagesArea.append("Problem receiving errors; error reporter exiting!");
        }
    }
   
   
   
   
   
   
   
    public static void main(String args[])
    {
        try
        {
            SNMPTrapTest theApp = new SNMPTrapTest();
            theApp.pack();
            theApp.setSize(700,500);
            theApp.setVisible(true);
        }
        catch (Exception e)
        {}
    }
   

}