| 69 |
|
|
| 70 |
|
Register reg = (Register) _hosts.get(source); |
| 71 |
|
|
| 72 |
– |
// find out the threshold level we're at |
| 73 |
– |
String attributeName = "Swap In Use %"; |
| 74 |
– |
|
| 72 |
|
// get the packet data |
| 73 |
|
double swapTotal, swapFree; |
| 74 |
|
try { |
| 75 |
|
String total = packet.getParam("packet.swap.total"); |
| 76 |
|
String free = packet.getParam("packet.swap.free"); |
| 77 |
|
if(total==null || free==null) { |
| 78 |
< |
throw new NumberFormatException("Memory data invalid"); |
| 78 |
> |
throw new NumberFormatException("Swap data invalid"); |
| 79 |
|
} |
| 80 |
|
swapTotal = Double.parseDouble(total); |
| 81 |
|
swapFree = Double.parseDouble(free); |
| 85 |
|
return; |
| 86 |
|
} |
| 87 |
|
|
| 88 |
< |
// percentage of memory in use |
| 89 |
< |
double swapInUse = (1-(swapFree / swapTotal)) * 100; |
| 90 |
< |
int newThreshold = checkAttributeThreshold(swapInUse, reg); |
| 88 |
> |
boolean useValue = false; |
| 89 |
> |
try { |
| 90 |
> |
String option = _cp.getProperty("Host." + source, "Monitor." + _name + ".thresholdMeasure"); |
| 91 |
> |
if (option.equals("VALUE")) { |
| 92 |
> |
useValue = true; |
| 93 |
> |
} |
| 94 |
> |
} catch (PropertyNotFoundException e) { |
| 95 |
> |
// we default to percentage |
| 96 |
> |
} |
| 97 |
|
|
| 98 |
< |
// format the memoryInUse to a String |
| 98 |
> |
// this bit determines if the swap check is a % check |
| 99 |
> |
// or a byte check |
| 100 |
> |
String type; |
| 101 |
> |
double curValue; |
| 102 |
> |
int newThreshold; |
| 103 |
> |
if(useValue) { |
| 104 |
> |
// bytes of swap available |
| 105 |
> |
curValue = swapFree; |
| 106 |
> |
// negate check |
| 107 |
> |
newThreshold = checkAttributeThreshold(curValue, reg, true); |
| 108 |
> |
type = "bytes"; |
| 109 |
> |
} else { |
| 110 |
> |
// % memory in use |
| 111 |
> |
curValue = (1 - ((double)swapFree / (double)swapTotal)) * 100; |
| 112 |
> |
// normal check |
| 113 |
> |
newThreshold = checkAttributeThreshold(curValue, reg, false); |
| 114 |
> |
type = "%"; |
| 115 |
> |
} |
| 116 |
> |
|
| 117 |
> |
// format the value to a String |
| 118 |
|
NumberFormat nf = NumberFormat.getInstance(); |
| 119 |
|
nf.setMaximumFractionDigits(2); |
| 120 |
|
nf.setMinimumFractionDigits(2); |
| 121 |
|
String strSwapInUse = nf.format(swapInUse); |
| 122 |
|
|
| 123 |
+ |
String attributeName = "Swap in use " + type; |
| 124 |
+ |
|
| 125 |
|
processAlert(newThreshold, attributeName, reg, source, strSwapInUse); |
| 126 |
|
|
| 127 |
|
} |
| 155 |
|
* Checks a piece of current data, and returns the |
| 156 |
|
* threshold it breaches, if any. |
| 157 |
|
* |
| 158 |
< |
* @param attributeString a String representing the current data value |
| 158 |
> |
* The option to negate the check can be used in |
| 159 |
> |
* situations where being *below* the threshold |
| 160 |
> |
* is an 'alertable' situation. In this specific |
| 161 |
> |
* case, we'd do this with kb disk checks. |
| 162 |
> |
* |
| 163 |
> |
* @param value the current value |
| 164 |
|
* @param reg the Register for the host |
| 165 |
+ |
* @param negateCheck whether to negate the check |
| 166 |
|
* @return the threshold level breached, if any |
| 167 |
|
*/ |
| 168 |
< |
private int checkAttributeThreshold(double swapInUse, Register reg) { |
| 168 |
> |
private int checkAttributeThreshold(double value, Register reg, boolean negateCheck) { |
| 169 |
|
for(int thresholdLevel = Alert.thresholdLevels.length - 1; thresholdLevel >= 0; thresholdLevel--) { |
| 170 |
|
if (reg.getThreshold(thresholdLevel) != -1.0) { |
| 171 |
< |
if(((double) reg.getThreshold(thresholdLevel)) < swapInUse) { |
| 172 |
< |
return thresholdLevel; |
| 171 |
> |
if(!negateCheck) { |
| 172 |
> |
// normal check - has the value gone *over* the threshold |
| 173 |
> |
if(((double) reg.getThreshold(thresholdLevel)) < value) { |
| 174 |
> |
return thresholdLevel; |
| 175 |
> |
} |
| 176 |
> |
} |
| 177 |
> |
else { |
| 178 |
> |
// negated check - has the value gone *under* the threshold |
| 179 |
> |
if(((double) reg.getThreshold(thresholdLevel)) > value) { |
| 180 |
> |
return thresholdLevel; |
| 181 |
> |
} |
| 182 |
|
} |
| 183 |
|
} |
| 184 |
|
} |
