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* @author $Author$ |
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* @version $Id$ |
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*/ |
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< |
public class Heartbeat__Monitor extends Thread implements PluginMonitor { |
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public class Heartbeat__Monitor implements PluginMonitor, Runnable { |
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//---FINAL ATTRIBUTES--- |
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public final String DESC = "Monitors Heartbeats."; |
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public final int DEFAULT_CHECK_PERIOD = 60; |
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//---STATIC METHODS--- |
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//---CONSTRUCTORS--- |
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public Heartbeat__Monitor() { |
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new Thread(this).start(); |
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} |
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//---PUBLIC METHODS--- |
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public void run() { |
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ConfigurationProxy cp = ConfigurationProxy.getInstance(); |
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while(true) { |
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// this cycle period could be done better, maybe ? |
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int checkPeriod = Integer.parseInt(cp.getProperty(_name, "Monitor.Heartbeat.checkPeriod")); |
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// this cycle period of this monitor's checks |
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int checkPeriod = 0; |
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try { |
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checkPeriod = Integer.parseInt(cp.getProperty(_name, "Monitor.Heartbeat.checkPeriod")); |
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} catch (PropertyNotFoundException e) { |
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checkPeriod = DEFAULT_CHECK_PERIOD; |
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_logger.write(toString(), Logger.WARNING, "Monitor.Heartbeat.checkPeriod value unavailable using default of " + checkPeriod + " seconds"); |
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} catch (NumberFormatException e) { |
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checkPeriod = DEFAULT_CHECK_PERIOD; |
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_logger.write(toString(), Logger.WARNING, "Erronous Monitor.Heartbeat.checkPeriod value in configuration using default of " + checkPeriod + " seconds"); |
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} |
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// perform the checks (use HB hash, although they *should* be the same) |
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Iterator i = _hostsHB.keySet().iterator(); |
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Register reg = (Register) _hostsReg.get(source); |
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// get host's HB interval (seconds) |
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int hostHBinterval = Integer.parseInt(cp.getProperty("Host."+source, "TCPUpdateTime")); |
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> |
// this should always exist, thus we set to 0 |
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> |
int hostHBinterval = 0; |
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try { |
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hostHBinterval = Integer.parseInt(cp.getProperty("Host."+source, "Host.TCPUpdateTime")); |
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} catch (PropertyNotFoundException e) { |
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hostHBinterval = 0; |
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_logger.write(toString(), Logger.WARNING, "TCPUpdateTime value unavailable using default of " + hostHBinterval + " seconds"); |
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} catch (NumberFormatException e) { |
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hostHBinterval = 0; |
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_logger.write(toString(), Logger.WARNING, "Erronous TCPUpdateTime value in configuration using default of " + hostHBinterval + " seconds"); |
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} |
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// get host's last HB time (seconds) |
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< |
int lastHeartbeat = ((HeartbeatHolder) _hostsHB.get(source)).getLastHeartbeat(); |
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> |
long lastHeartbeat = ((HeartbeatHolder) _hostsHB.get(source)).getLastHeartbeat(); |
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// time since last heartbeat (seconds) |
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< |
int timeSinceLastHB = ((int) (System.currentTimeMillis()/1000)) - lastHeartbeat; |
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> |
long timeSinceLastHB = (System.currentTimeMillis()/1000) - lastHeartbeat; |
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// find out the threshold level we're at |
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int result = checkAttributeThreshold(timeSinceLastHB, reg); |
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_hostsReg.put(source, new Register(source, _name, 1)); |
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_hostsHB.put(source, new HeartbeatHolder()); |
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} |
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< |
HeartbeatHolder lastHeartbeat = (HeartbeatHolder) _hostsReg.get(source); |
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< |
lastHeartbeat.setLastHeartbeat((int)System.currentTimeMillis()/1000); |
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HeartbeatHolder lastHeartbeat = (HeartbeatHolder) _hostsHB.get(source); |
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> |
lastHeartbeat.setLastHeartbeat(System.currentTimeMillis()/1000); |
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} |
| 156 |
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} |
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//---PRIVATE METHODS--- |
| 182 |
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| 183 |
< |
private int checkAttributeThreshold(int timeSinceLastHB, Register reg) { |
| 183 |
> |
private int checkAttributeThreshold(long timeSinceLastHB, Register reg) { |
| 184 |
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for(int thresholdLevel = Alert.thresholdLevels.length - 1; thresholdLevel >= 0; thresholdLevel--) { |
| 185 |
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if (reg.getThreshold(thresholdLevel) != -1.0) { |
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< |
if (reg.getThreshold(thresholdLevel) < timeSinceLastHB) { |
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> |
if (((long) reg.getThreshold(thresholdLevel)) < timeSinceLastHB) { |
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return thresholdLevel; |
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} |
| 189 |
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} |
| 191 |
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return 0; |
| 192 |
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} |
| 193 |
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| 194 |
< |
private void fireAlert(String source, int timeSinceLastHB, Register reg, int lastAlert) { |
| 194 |
> |
private void fireAlert(String source, long timeSinceLastHB, Register reg, int lastAlert) { |
| 195 |
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int alertLevel = reg.getLastAlertLevel(0); |
| 196 |
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int thresholdLevel = reg.getLastThresholdLevel(0); |
| 197 |
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String currentValue = String.valueOf(timeSinceLastHB); |
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| 247 |
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private class HeartbeatHolder { |
| 248 |
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| 249 |
< |
public void setLastHeartbeat(int lastHeartbeat) { |
| 249 |
> |
public void setLastHeartbeat(long lastHeartbeat) { |
| 250 |
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_lastHeartbeat = lastHeartbeat; |
| 251 |
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} |
| 252 |
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| 253 |
< |
public int getLastHeartbeat() { |
| 253 |
> |
public long getLastHeartbeat() { |
| 254 |
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return _lastHeartbeat; |
| 255 |
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} |
| 256 |
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| 257 |
< |
private int _lastHeartbeat; |
| 257 |
> |
private long _lastHeartbeat; |
| 258 |
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} |
| 259 |
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| 260 |
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} |
