| 28 |
|
*/ |
| 29 |
|
public final String REVISION = "$Revision$"; |
| 30 |
|
|
| 31 |
+ |
/** |
| 32 |
+ |
* A description of this monitor |
| 33 |
+ |
*/ |
| 34 |
|
public final String DESC = "Who watches the watchmen?"; |
| 35 |
|
|
| 36 |
+ |
private final String SOURCE = "i-scream-server"; |
| 37 |
+ |
|
| 38 |
|
//---STATIC METHODS--- |
| 39 |
|
|
| 40 |
|
//---CONSTRUCTORS--- |
| 41 |
|
|
| 42 |
|
//---PUBLIC METHODS--- |
| 43 |
< |
|
| 43 |
> |
|
| 44 |
> |
/** |
| 45 |
> |
* Analyse a packet of data, and generate an alert if |
| 46 |
> |
* necessary. |
| 47 |
> |
* |
| 48 |
> |
* @param packet the XMLPacket to analyse |
| 49 |
> |
*/ |
| 50 |
|
public void analysePacket(XMLPacket packet) { |
| 51 |
< |
if (packet.getParam("packet.attributes.type").equals("data")) { |
| 52 |
< |
String source = packet.getParam("packet.attributes.machine_name"); |
| 51 |
> |
if (packet.getParam("packet.attributes.type").equals("queueStat")) { |
| 52 |
> |
String source = packet.getParam("packet.attributes.hashCode"); |
| 53 |
|
if (!_hosts.containsKey(source)) { |
| 54 |
|
_hosts.put(source, new HashMap()); |
| 55 |
|
} |
| 68 |
|
String dataKey = (String) i.next(); |
| 69 |
|
if(dataKey.startsWith("packet.queue.attributes.queue")) { |
| 70 |
|
String queueSize = packet.getParam(dataKey); |
| 71 |
+ |
|
| 72 |
+ |
// silently ignore these |
| 73 |
+ |
// they're generated by the queueMonitor for deleted queues |
| 74 |
+ |
if(queueSize.equals("[deleted]")) { |
| 75 |
+ |
break; |
| 76 |
+ |
} |
| 77 |
|
|
| 78 |
|
// *** now process this queue *** |
| 79 |
|
|
| 80 |
|
// check if we've seen this queue before on a previous run |
| 81 |
|
// if not, we need to create a register for it |
| 82 |
|
if(!queueRegisters.containsKey(dataKey)) { |
| 83 |
< |
queueRegisters.put(dataKey, new Register(source, _name)); |
| 83 |
> |
queueRegisters.put(dataKey, new Register(_name, _name)); |
| 84 |
|
} |
| 85 |
|
|
| 86 |
|
// get the register for this disk |
| 103 |
|
|
| 104 |
|
boolean useValue = false; |
| 105 |
|
try { |
| 106 |
< |
String option = _cp.getProperty("Host." + source, "Monitor." + _name + ".thresholdMeasure"); |
| 106 |
> |
String option = _cp.getProperty(_name, "Monitor." + _name + ".thresholdMeasure"); |
| 107 |
|
if (option.equals("VALUE")) { |
| 108 |
|
useValue = true; |
| 109 |
|
} |
| 111 |
|
// we default to percentage |
| 112 |
|
} |
| 113 |
|
|
| 114 |
< |
// this bit determines if the disk check is a % check |
| 115 |
< |
// or a kb check |
| 114 |
> |
// this bit determines if the queue check is a % check |
| 115 |
> |
// or a literal value check |
| 116 |
|
double checkValue; |
| 117 |
|
String type; |
| 118 |
|
if(useValue) { |
| 119 |
< |
// kb disk in use |
| 119 |
> |
// queue count |
| 120 |
|
checkValue = qSize; |
| 121 |
|
type = "count"; |
| 122 |
|
} else { |
| 123 |
< |
// % disk in use |
| 123 |
> |
// % of queue |
| 124 |
|
checkValue = (qSize / qMax) * 100; |
| 125 |
|
type = "%"; |
| 126 |
|
} |
| 127 |
|
|
| 111 |
– |
|
| 112 |
– |
|
| 128 |
|
int newThreshold = checkAttributeThreshold(checkValue, reg); |
| 129 |
|
|
| 130 |
|
// format the checkValue to a String |
| 134 |
|
String strCheckValue = nf.format(checkValue); |
| 135 |
|
|
| 136 |
|
// say which disk had the problem |
| 137 |
< |
String attributeName = "Size of queue " + type + " in " + queueName; |
| 137 |
> |
String attributeName = "Size of queue " + type + " in " + queueName + " " + dataKey.substring(dataKey.lastIndexOf('.')+1); |
| 138 |
|
|
| 139 |
< |
processAlert(newThreshold, attributeName, reg, source, strCheckValue); |
| 139 |
> |
processAlert(newThreshold, attributeName, reg, SOURCE, strCheckValue); |
| 140 |
|
|
| 141 |
|
} |
| 142 |
|
} |
| 167 |
|
} |
| 168 |
|
|
| 169 |
|
//---PRIVATE METHODS--- |
| 170 |
< |
|
| 170 |
> |
|
| 171 |
> |
/** |
| 172 |
> |
* Checks a piece of current data, and returns the |
| 173 |
> |
* threshold it breaches, if any. |
| 174 |
> |
* |
| 175 |
> |
* @param qSize the size of a queue |
| 176 |
> |
* @param reg the Register for the host |
| 177 |
> |
* @return the threshold level breached, if any |
| 178 |
> |
*/ |
| 179 |
|
private int checkAttributeThreshold(double qSize, Register reg) { |
| 180 |
|
for(int thresholdLevel = Alert.thresholdLevels.length - 1; thresholdLevel >= 0; thresholdLevel--) { |
| 181 |
|
if (reg.getThreshold(thresholdLevel) != -1.0) { |
| 188 |
|
} |
| 189 |
|
|
| 190 |
|
//---ACCESSOR/MUTATOR METHODS--- |
| 191 |
+ |
|
| 192 |
+ |
/** |
| 193 |
+ |
* Returns a reference to a specific Queue for this |
| 194 |
+ |
* monitor. This Queue returns only the data packets |
| 195 |
+ |
* (based on type) that we want too look at. |
| 196 |
+ |
* |
| 197 |
+ |
* @return a reference to a Queue |
| 198 |
+ |
*/ |
| 199 |
+ |
protected Queue getQueue() { |
| 200 |
+ |
return MonitorManager.getInstance().getOtherQueue(); |
| 201 |
+ |
} |
| 202 |
|
|
| 203 |
+ |
|
| 204 |
|
//---ATTRIBUTES--- |
| 205 |
|
|
| 206 |
|
/** |
| 218 |
|
* A reference to the configuration proxy in use |
| 219 |
|
*/ |
| 220 |
|
private ConfigurationProxy _cp = ConfigurationProxy.getInstance(); |
| 221 |
< |
|
| 221 |
> |
|
| 222 |
> |
/** |
| 223 |
> |
* A HashMap of Registers (or groups of Registers), one |
| 224 |
> |
* for each host we're monitoring. |
| 225 |
> |
*/ |
| 226 |
|
private HashMap _hosts = new HashMap(); |
| 227 |
|
|
| 228 |
|
//---STATIC ATTRIBUTES--- |
