private void sendRequest(BlockPdu pdu) {
setButton.setEnabled(false);
getButton.setEnabled(false);
getNextButton.setEnabled(false);
lmessage.setText("Sending request ..");
lmessage.setBackground(Color.white);
try {
varbind var = pdu.getResponseVariableBinding();
AsnObjectId oid = var.getOid();
AsnObject res = var.getValue();
if (res != null) {
toid.setText(oid.toString());
tvalue.setText(res.toString());
lmessage.setText("Received aswer ");
lmessage.setBackground(Color.white);
} else {
lmessage.setText("Received no aswer ");
lmessage.setBackground(Color.red);
}
} catch (PduException exc) {
lmessage.setText("PduException: " + exc.getMessage());
lmessage.setBackground(Color.red);
exc.printStackTrace();
} catch (java.io.IOException exc) {
lmessage.setText("IOException: " + exc.getMessage());
lmessage.setBackground(Color.red);
exc.printStackTrace();
}
setButton.setEnabled(true);
getButton.setEnabled(true);
getNextButton.setEnabled(true);
}
public void actionPerformed(ActionEvent evt) {
Object src = evt.getSource();
try {
if (src == propDialog) {
propDialog_actionPerformed(evt);
} else {
pdu = new BlockPdu(context);
if (src == setButton) {
pdu.setPduType(BlockPdu.SET);
pdu.addOid(toid.getText(), new AsnOctets(tvalue.getText()));
} else if (src == getButton) {
pdu.setPduType(BlockPdu.GET);
pdu.addOid(toid.getText());
} else if (src == getNextButton) {
pdu.setPduType(BlockPdu.GETNEXT);
pdu.addOid(toid.getText());
}
sendRequest(pdu);
}
} catch (Exception exc) {
exc.printStackTrace();
lmessage.setText("Exception: " + exc.getMessage());
lmessage.setBackground(Color.red);
}
}
/**
* Implementing the Observer interface. Receiving the response from the Pdu.
*
* @param obs the UpSincePdu variable
* @param ov the date
* @see uk.co.westhawk.snmp.pdu.UpSincePdu
*/
public void update(Observable obs, Object ov) {
Pdu pdu = (Pdu) obs;
if (pdu.getErrorStatus() == AsnObject.SNMP_ERR_NOERROR) {
Date dres = (Date) ov;
if (dres != null) {
// TODO: invokeLater
v.setText(dres.toString());
}
} else {
// TODO: invokeLater
v.setText(pdu.getErrorStatusString());
}
}
private void createContext(String host, int port, String comm, String socketType) {
myFrame.setTitle("Set One - " + host);
if (context != null) {
context.destroy();
}
try {
context = new SnmpContextPool(host, port, socketType);
context.setCommunity(comm);
} catch (java.io.IOException exc) {
lmessage.setText("IOException: " + exc.getMessage());
lmessage.setBackground(Color.red);
}
}
/**
* Implementing the Observer interface. Receiving the response from the Pdu.
*
* @param obs the InterfacePdu variable
* @param ov the varbind
* @see uk.co.westhawk.snmp.pdu.InterfacePdu
* @see uk.co.westhawk.snmp.stack.varbind
*/
public void update(Observable obs, Object ov) {
up = (InterfacePdu) obs;
if (prev != null) {
// TODO invokeLater
v.setText(up.getSpeed(prev) + " bytes/sec ");
}
// keep the previous...
prev = up;
}
public void init() {
try {
createPropertyDialog();
jbInit();
propDialog.setVisible(true);
propDialog.toFront();
createContext(
propDialog.getHost(),
propDialog.getPort(),
propDialog.getCommunityName(),
propDialog.getSocketType());
sendGetRequest(toid.getText());
} catch (Exception exc) {
exc.printStackTrace();
lmessage.setText("Exception: " + exc.getMessage());
lmessage.setBackground(Color.red);
}
}
private void jbInit() throws Exception {
JLabel loid, lvalue;
loid = new JLabel("OID: ");
lvalue = new JLabel("Value: ");
lmessage = new JLabel("");
lmessage.setOpaque(true);
String oid = util.getOid(sysContact);
toid = new JTextField(oid);
tvalue = new JTextField();
setButton = new JButton("Set");
getButton = new JButton("Get");
getNextButton = new JButton("GetNext");
Vector sw = new Vector(2);
sw.addElement(setButton);
sw.addElement(getButton);
GridBagLayout grid = new GridBagLayout();
Container cont = this;
cont.setLayout(grid);
addToGridBag(grid, cont, loid, 0, 0, 0.33, 1.0);
addToGridBag(grid, cont, toid, 1, 0, 2, 1, 0.33, 1.0);
addToGridBag(grid, cont, lvalue, 0, 1, 0.33, 1.0);
addToGridBag(grid, cont, tvalue, 1, 1, 2, 1, 0.33, 1.0);
addToGridBag(grid, cont, setButton, 0, 2, 0.33, 1.0);
addToGridBag(grid, cont, getButton, 1, 2, 0.33, 1.0);
addToGridBag(grid, cont, getNextButton, 2, 2, 0.33, 1.0);
addToGridBag(grid, cont, lmessage, 0, 3, 3, 1, 0.33, 1.0);
lmessage.setBackground(Color.white);
setButton.addActionListener(this);
getButton.addActionListener(this);
getNextButton.addActionListener(this);
this.addMouseListener(this);
}
