private HealthMonitoringSectionHelper()
{
try
{
this._section = RuntimeConfig.GetAppConfig().HealthMonitoring;
}
catch (Exception exception)
{
if (HttpRuntime.InitializationException == null)
{
HttpRuntime.InitializationException = exception;
}
this._section = RuntimeConfig.GetAppLKGConfig().HealthMonitoring;
if (this._section == null)
{
throw;
}
}
this._enabled = this._section.Enabled;
if (this._enabled)
{
this.BasicSanityCheck();
this._ruleInfos = new ArrayList();
this._customEvaluatorInstances = new Hashtable();
this._providerInstances = new ProviderInstances(this._section);
this._cachedMatchedRulesForCustomEvents = new Hashtable(new WebBaseEventKeyComparer());
_cachedMatchedRules = new ArrayList[WebEventCodes.GetEventArrayDimensionSize(0), WebEventCodes.GetEventArrayDimensionSize(1)];
this.BuildRuleInfos();
this._providerInstances.CleanupUninitProviders();
}
}
HealthMonitoringSectionHelper()
{
// Handle config exceptions so we can still log messages to the event log.
try {
_section = RuntimeConfig.GetAppConfig().HealthMonitoring;
}
catch (Exception e) {
// If InitializationException has not already been set, then this exception
// is happening because the <healthMonitoring> section has an error.
// By setting InitializationException, we allow the exception to be displayed in the response.
// If InitializationException is already set, ignore this exception so we can
// display the original in the response.
if (HttpRuntime.InitializationException == null)
{
HttpRuntime.InitializationException = e;
}
_section = RuntimeConfig.GetAppLKGConfig().HealthMonitoring;
// WOS 1965670: if we fail to get the section throw the previous error
if (_section == null)
{
throw;
}
}
_enabled = _section.Enabled;
if (!_enabled)
{
return;
}
// First run some basic sanity check
BasicSanityCheck();
// Init some class members
_ruleInfos = new ArrayList();
_customEvaluatorInstances = new Hashtable();
_providerInstances = new ProviderInstances(_section);
_cachedMatchedRulesForCustomEvents = new Hashtable(new WebBaseEventKeyComparer());
_cachedMatchedRules = new ArrayList[WebEventCodes.GetEventArrayDimensionSize(0),
WebEventCodes.GetEventArrayDimensionSize(1)];
BuildRuleInfos();
_providerInstances.CleanupUninitProviders();
}
internal ArrayList FindFiringRuleInfos(Type eventType, int eventCode)
{
ArrayList list;
object obj2;
bool flag = eventCode < 0x186a0;
CustomWebEventKey key = null;
int num = 0;
int num2 = 0;
if (flag)
{
WebEventCodes.GetEventArrayIndexsFromEventCode(eventCode, out num, out num2);
list = _cachedMatchedRules[num, num2];
}
else
{
key = new CustomWebEventKey(eventType, eventCode);
list = (ArrayList)this._cachedMatchedRulesForCustomEvents[key];
}
if (list != null)
{
return(list);
}
if (flag)
{
obj2 = _cachedMatchedRules;
}
else
{
obj2 = this._cachedMatchedRulesForCustomEvents;
}
lock (obj2)
{
if (flag)
{
list = _cachedMatchedRules[num, num2];
}
else
{
list = (ArrayList)this._cachedMatchedRulesForCustomEvents[key];
}
if (list != null)
{
return(list);
}
ArrayList list2 = new ArrayList();
for (int i = this._ruleInfos.Count - 1; i >= 0; i--)
{
RuleInfo ruleInfo = (RuleInfo)this._ruleInfos[i];
if (ruleInfo.Match(eventType, eventCode))
{
list2.Add(new FiringRuleInfo(ruleInfo));
}
}
int count = list2.Count;
for (int j = 0; j < count; j++)
{
FiringRuleInfo info2 = (FiringRuleInfo)list2[j];
if (info2._ruleInfo._referencedProvider != null)
{
for (int k = j + 1; k < count; k++)
{
FiringRuleInfo info3 = (FiringRuleInfo)list2[k];
if (((info3._ruleInfo._referencedProvider != null) && (info3._indexOfFirstRuleInfoWithSameProvider == -1)) && (info2._ruleInfo._referencedProvider == info3._ruleInfo._referencedProvider))
{
if (info2._indexOfFirstRuleInfoWithSameProvider == -1)
{
info2._indexOfFirstRuleInfoWithSameProvider = j;
}
info3._indexOfFirstRuleInfoWithSameProvider = j;
}
}
}
}
if (flag)
{
_cachedMatchedRules[num, num2] = list2;
}
else
{
this._cachedMatchedRulesForCustomEvents[key] = list2;
}
return(list2);
}
}
// Find the corresponding array of RuleInfo based on the fired event
internal ArrayList FindFiringRuleInfos(Type eventType, int eventCode)
{
ArrayList foundFiringRuleInfos;
bool systemEvent = eventCode < WebEventCodes.WebExtendedBase;
CustomWebEventKey customWebEventKey = null;
object lockObject;
int index0 = 0, index1 = 0;
#if DBG
if (systemEvent)
{
Type type;
type = (Type)_cachedTypeOfMatchedRulesSystem[eventCode];
if (type == null)
{
lock (_cachedTypeOfMatchedRulesSystem) {
type = (Type)_cachedTypeOfMatchedRulesSystem[eventCode];
if (type == null)
{
_cachedTypeOfMatchedRulesSystem[eventCode] = eventType;
}
}
}
if (type != null)
{
Debug.Assert(type == eventType,
"For system events, we assume each event code will map only to one event type. " +
"Eventcode= " + eventCode + "; stored type= " + type.ToString() +
"; raised event type= " + eventType);
}
}
#endif
// First, we look at the cache to see if we find the array.
if (systemEvent)
{
WebEventCodes.GetEventArrayIndexsFromEventCode(eventCode, out index0, out index1);
foundFiringRuleInfos = _cachedMatchedRules[index0, index1];
}
else
{
customWebEventKey = new CustomWebEventKey(eventType, eventCode);
foundFiringRuleInfos = (ArrayList)_cachedMatchedRulesForCustomEvents[customWebEventKey];
}
if (foundFiringRuleInfos != null)
{
return(foundFiringRuleInfos);
}
if (systemEvent)
{
lockObject = _cachedMatchedRules;
}
else
{
lockObject = _cachedMatchedRulesForCustomEvents;
}
lock (lockObject) {
if (systemEvent)
{
foundFiringRuleInfos = _cachedMatchedRules[index0, index1];
}
else
{
Debug.Assert(customWebEventKey != null);
foundFiringRuleInfos = (ArrayList)_cachedMatchedRulesForCustomEvents[customWebEventKey];
}
if (foundFiringRuleInfos != null)
{
return(foundFiringRuleInfos);
}
// Not found in cache.
ArrayList matchedRules = new ArrayList();
// Go thru the sorted ruleInfo array and look for matching ruleInfo,
// starting from the most specific type.
for (int i = _ruleInfos.Count - 1; i >= 0; i--)
{
RuleInfo curRule = (RuleInfo)_ruleInfos[i];
// Now see if the current rule matches the raised event
if (curRule.Match(eventType, eventCode))
{
matchedRules.Add(new FiringRuleInfo(curRule));
}
}
// Then for each matched rule, we need to figure out if the provider it
// uses is also used by other rules. We need this info because if multiple rules are
// using the same provider, we fire the event to the provider only once.
int count = matchedRules.Count;
for (int i = 0; i < count; i++)
{
FiringRuleInfo info1 = (FiringRuleInfo)matchedRules[i];
if (info1._ruleInfo._referencedProvider != null)
{
for (int j = i + 1; j < count; j++)
{
FiringRuleInfo info2 = (FiringRuleInfo)matchedRules[j];
if (info2._ruleInfo._referencedProvider != null && // ignore null-provider
info2._indexOfFirstRuleInfoWithSameProvider == -1 && // ignore rules that were marked already
info1._ruleInfo._referencedProvider == info2._ruleInfo._referencedProvider) // they are pointing to the same provider
// We'll remember the index of the first rule info that share the same
// provider. For details on how this index is used, please see
// WebBaseEvent.RaiseInternal.
{
if (info1._indexOfFirstRuleInfoWithSameProvider == -1)
{
info1._indexOfFirstRuleInfoWithSameProvider = i;
}
info2._indexOfFirstRuleInfoWithSameProvider = i;
}
}
}
}
#if DBG
Debug.Trace("FindRuleInfos", "------------------------------------------------");
Debug.Trace("FindRuleInfos", "Find ruleInfos for event with type=" + eventType.ToString() +
", EventCode=" + eventCode);
foreach (FiringRuleInfo info in matchedRules)
{
Debug.Trace("FindRuleInfos", "Provider=" + info._ruleInfo._ruleSettings.Provider +
"; eventNameType=" + info._ruleInfo._eventMappingSettings.RealType.ToString() +
"; _indexOfFirstRuleInfoWithSameProvider=" + info._indexOfFirstRuleInfoWithSameProvider);
}
Debug.Trace("FindRuleInfos", "------------------------------------------------");
#endif
// save matchedRules in the cache
if (systemEvent)
{
_cachedMatchedRules[index0, index1] = matchedRules;
}
else
{
Debug.Assert(customWebEventKey != null);
_cachedMatchedRulesForCustomEvents[customWebEventKey] = matchedRules;
}
return(matchedRules);
}
}
