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import javax.swing.ImageIcon; |
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import javax.swing.JTabbedPane; |
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import javax.swing.JPanel; |
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import java.util.StringTokenizer; |
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import javax.swing.SwingUtilities; |
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/** |
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* This thread reads data from the DataReader |
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//---CONSTRUCTORS--- |
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/** |
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* Constructs the data panel |
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*/ |
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public DataPanel() { |
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add(_tabbedPane); |
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} |
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//---PUBLIC METHODS--- |
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/** |
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* Starts the DataPanel running |
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*/ |
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public void run() { |
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// add the tabbed pane to ourselves |
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add(_tabbedPane); |
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// setup the host list we will be using |
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refreshHostList(); |
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// the hosts we are interested in go here |
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HashMap hostList = new HashMap(); |
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try { |
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while(_running) { |
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XMLPacket packet = xmlPacketMaker.createXMLPacket(); |
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// if we want to debug the packets |
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if(!Configuration.getInstance().getProperty("packetDump").equals("0")) { |
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System.out.println("[DEBUG]\n" + packet.printAll()); |
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if(Configuration.getInstance().getProperty("packetDump").equals("1")) { |
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System.out.println("[PACKET DUMP]\n" + packet.printAll()); |
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} |
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String packetType = packet.getParam("packet.attributes.type"); |
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if (packetType.equals("heartbeat") || packetType.equals("data")) { |
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String hostName = packet.getParam("packet.attributes.machine_name"); |
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if(!hostList.containsKey(hostName)) { |
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HostDisplayPanel host = new HostDisplayPanel(hostName); |
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_tabbedPane.addTab(hostName, _serverIcon, host, "Monitor " + hostName); |
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hostList.put(hostName, host); |
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Conient.addMessage("New Host added: " + hostName); |
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// if we're not using a fixed list |
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if(!_usingConfiguredList) { |
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// if we don't know about this host |
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// add it. |
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if(!_hostList.containsKey(hostName)) { |
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addHostPanel(hostName); |
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// if we want to remember new hosts (ie, in "discovery" mode) |
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if(_config.getProperty("hostDiscoveryMode").equals("1")) { |
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addToKnownHosts(hostName); |
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} |
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} |
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} |
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if (!((HostDisplayPanel) hostList.get(hostName)).updateHost(packet)) { |
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//throw new Exception(hostName + " sent an invalid data packet stopping data update!"); |
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Conient.addMessage("WARNING{data panel}: " + hostName + " sent an invalid data or heartbeat packet"); |
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// one final check that we know about the host |
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// if we don't by now, then the server must have sent something odd |
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if(_hostList.containsKey(hostName)) { |
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if (!((HostDisplayPanel) _hostList.get(hostName)).updateHost(packet)) { |
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//throw new Exception(hostName + " sent an invalid data packet stopping data update!"); |
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Conient.addMessage("WARNING{data panel}: " + hostName + " sent an invalid data or heartbeat packet"); |
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} |
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} else { |
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Conient.addMessage("WARNING{data panel}: server sent data for an unexpected host - " + hostName); |
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} |
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} else if (packetType.equals("queueStat")) { |
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// check to config to see if we want queueStat packets to be processed or not |
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if(!Configuration.getInstance().getProperty("displayQueueInformation").equals("0")) { |
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if (qFrame == null) { |
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qFrame = new QueueFrame(); |
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if(Configuration.getInstance().getProperty("displayQueueInformation").equals("1")) { |
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if (_qFrame == null) { |
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_qFrame = new QueueFrame(); |
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} |
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qFrame.update(packet); |
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if (!_qFrame.isVisible()) { |
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_qFrame.setVisible(true); |
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} |
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_qFrame.update(packet); |
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} |
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} else { |
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Conient.addMessage("WARNING{data panel}: and unknown packet type was received - " + packetType); |
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//---PRIVATE METHODS--- |
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/** |
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* Build the host list according to the configuration. |
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* If we're set to use one, it populates the display. |
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* If we're using one and its empty, or if we're not using |
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* one, we set that we're not so that we use all host we detect. |
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* |
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* See the run method for information on host discovery if we're |
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* getting all the hosts. |
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*/ |
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private void refreshHostList() { |
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// reset the list |
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_hostList = new HashMap(); |
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// check we're using a set list |
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if (_config.getProperty("useHostList").equals("1")) { |
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// if we are get it and set up the display |
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String hostList = _config.getProperty("hostList"); |
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if (!hostList.equals("")) { |
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StringTokenizer st = new StringTokenizer(hostList, ";"); |
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while(st.hasMoreTokens()) { |
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String host = st.nextToken(); |
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addHostPanel(host); |
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} |
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_usingConfiguredList = true; |
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// if we've got no list setup, we set that we're taking all |
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// hosts that might come in. |
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} else { |
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_usingConfiguredList = false; |
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} |
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// we're not using a list |
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} else { |
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_usingConfiguredList = false; |
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} |
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} |
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/** |
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* Adds a new Host to the hostList and adds its |
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* display to the tabbed pane. |
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* |
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* @param host the host to add |
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*/ |
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private void addHostPanel(String host) { |
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HostDisplayPanel hostPanel = new HostDisplayPanel(host); |
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SwingSafeAddTab task = new SwingSafeAddTab(_tabbedPane, hostPanel, host, "Monitor " + host, _serverIcon); |
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SwingUtilities.invokeLater(task); |
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_hostList.put(host, hostPanel); |
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Conient.addMessage("New Host added: " + host); |
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} |
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|
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/** |
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* If we are in "discovery" mode, we want to keep a list |
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* of all new hosts we find, so we can add it to our list. |
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* This method simply adds the host to the end of the |
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* "knownHostList" property. |
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* |
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* @param host the host to add |
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*/ |
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private void addToKnownHosts(String host) { |
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_config.setProperty("knownHostsList", _config.getProperty("knownHostsList") + host + ";"); |
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} |
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|
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//---ACCESSOR/MUTATOR METHODS--- |
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//---ATTRIBUTES--- |
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* A frame to display Queue information |
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* may not always be used - loaded according to config |
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*/ |
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< |
QueueFrame qFrame = null; |
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> |
QueueFrame _qFrame = null; |
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|
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/** |
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* A reference to the configuraton object |
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*/ |
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Configuration _config = Configuration.getInstance(); |
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|
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/** |
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* Contains a list of hosts that the data panel will use |
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* or build during its operation. |
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*/ |
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HashMap _hostList = null; |
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|
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/** |
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* If we should be using a configured list or just accepting |
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* all the hosts we get |
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*/ |
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boolean _usingConfiguredList = false; |
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} |
