| 49 |
|
|
| 50 |
|
Register reg = (Register) _hosts.get(source); |
| 51 |
|
|
| 52 |
– |
// find out the threshold level we're at |
| 53 |
– |
String attributeName = "Memory In Use %"; |
| 54 |
– |
|
| 52 |
|
// get the packet data |
| 53 |
|
double memoryTotal, memoryFree; |
| 54 |
|
try { |
| 77 |
|
|
| 78 |
|
// this bit determines if the memory check is a % check |
| 79 |
|
// or a kb check |
| 80 |
< |
double memoryInUse; |
| 80 |
> |
String type; |
| 81 |
> |
double curValue; |
| 82 |
> |
int newThreshold; |
| 83 |
|
if(useValue) { |
| 84 |
< |
// kb memory in use |
| 85 |
< |
memoryInUse = memoryTotal - memoryFree; |
| 84 |
> |
// kb memory available |
| 85 |
> |
curValue = memoryFree; |
| 86 |
> |
// negate check |
| 87 |
> |
newThreshold = checkAttributeThreshold(curValue, reg, true); |
| 88 |
> |
type = "kb"; |
| 89 |
|
} else { |
| 90 |
|
// % memory in use |
| 91 |
< |
memoryInUse = (1-(memoryFree / memoryTotal)) * 100; |
| 91 |
> |
curValue = (1 - (memoryFree / memoryTotal)) * 100; |
| 92 |
> |
// normal check |
| 93 |
> |
newThreshold = checkAttributeThreshold(curValue, reg, false); |
| 94 |
> |
type = "%"; |
| 95 |
|
} |
| 96 |
|
|
| 92 |
– |
int newThreshold = checkAttributeThreshold(memoryInUse, reg); |
| 93 |
– |
|
| 97 |
|
// format the memoryInUse to a String |
| 98 |
|
NumberFormat nf = NumberFormat.getInstance(); |
| 99 |
|
nf.setMaximumFractionDigits(2); |
| 100 |
|
nf.setMinimumFractionDigits(2); |
| 101 |
< |
String strMemoryInUse = nf.format(memoryInUse); |
| 102 |
< |
|
| 103 |
< |
processAlert(newThreshold, attributeName, reg, source, strMemoryInUse); |
| 101 |
> |
String strCurValue = nf.format(curValue); |
| 102 |
> |
|
| 103 |
> |
// set the attributeName nicely |
| 104 |
> |
String attributeName = "Memory in use " + type; |
| 105 |
> |
|
| 106 |
> |
processAlert(newThreshold, attributeName, reg, source, strCurValue); |
| 107 |
|
} |
| 108 |
|
|
| 109 |
|
/** |
| 135 |
|
* Checks a piece of current data, and returns the |
| 136 |
|
* threshold it breaches, if any. |
| 137 |
|
* |
| 138 |
< |
* @param attributeString a String representing the current data value |
| 138 |
> |
* The option to negate the check can be used in |
| 139 |
> |
* situations where being *below* the threshold |
| 140 |
> |
* is an 'alertable' situation. In this specific |
| 141 |
> |
* case, we'd do this with kb disk checks. |
| 142 |
> |
* |
| 143 |
> |
* @param value the current value |
| 144 |
|
* @param reg the Register for the host |
| 145 |
+ |
* @param negateCheck whether to negate the check |
| 146 |
|
* @return the threshold level breached, if any |
| 147 |
|
*/ |
| 148 |
< |
private int checkAttributeThreshold(double memoryInUse, Register reg) { |
| 148 |
> |
private int checkAttributeThreshold(double value, Register reg, boolean negateCheck) { |
| 149 |
|
for(int thresholdLevel = Alert.thresholdLevels.length - 1; thresholdLevel >= 0; thresholdLevel--) { |
| 150 |
|
if (reg.getThreshold(thresholdLevel) != -1.0) { |
| 151 |
< |
if(((double) reg.getThreshold(thresholdLevel)) < memoryInUse) { |
| 152 |
< |
return thresholdLevel; |
| 151 |
> |
if(!negateCheck) { |
| 152 |
> |
// normal check - has the value gone *over* the threshold |
| 153 |
> |
if(((double) reg.getThreshold(thresholdLevel)) < value) { |
| 154 |
> |
return thresholdLevel; |
| 155 |
> |
} |
| 156 |
> |
} |
| 157 |
> |
else { |
| 158 |
> |
// negated check - has the value gone *under* the threshold |
| 159 |
> |
if(((double) reg.getThreshold(thresholdLevel)) > value) { |
| 160 |
> |
return thresholdLevel; |
| 161 |
> |
} |
| 162 |
|
} |
| 163 |
|
} |
| 164 |
|
} |
