/// <summary>
/// Called when a new ActionResponseBag is received from the
/// service. This merges that new data into the existing cache
/// </summary>
/// <param name="newResponse">An ActionResponseBag received from the Azure API</param>
/// <param name="previouslyCachedRuleIds">Set of rule IDs that were previously read from the cache and should not be written back</param>
/// <param name="timeoutMs">Maximum time to wait, in milliseconds, for the cache lock. Leave null for infinite.</param>
public void MergeNewResponse(ActionResponseBag newResponse, IEnumerable <string> previouslyCachedRuleIds, int?timeoutMs = null)
{
if (Storage.Lock(timeoutMs))
{
Stopwatch stopwatch = Stopwatch.StartNew();
try
{
DateTime utcNow = DateTime.UtcNow;
bool flag = false;
CachedTargetedNotifications localCacheCopy = Storage.GetLocalCacheCopy();
List <string> list = new List <string>();
List <string> list2 = new List <string>();
foreach (ActionResponse action in newResponse.Actions)
{
if (action.SendAlways)
{
if (localCacheCopy.Actions.Remove(action.RuleId))
{
flag = true;
}
}
else if (!previouslyCachedRuleIds.Contains(action.RuleId))
{
localCacheCopy.Actions[action.RuleId] = new CachedActionResponseTime
{
CachedTime = (localCacheCopy.Actions.ContainsKey(action.RuleId) ? localCacheCopy.Actions[action.RuleId].CachedTime : utcNow),
MaxWaitTimeSpan = ((action.MaxWaitTimeSpan == null) ? defaultMaxWaitTimeSpan : TimeSpan.Parse(action.MaxWaitTimeSpan))
};
list.Add(action.RuleId);
flag = true;
}
}
string[] array = localCacheCopy.Actions.Keys.ToArray();
foreach (string text in array)
{
CachedActionResponseTime cachedActionResponseTime = localCacheCopy.Actions[text];
if (utcNow >= cachedActionResponseTime.CachedTime.Add(cachedActionResponseTime.MaxWaitTimeSpan))
{
localCacheCopy.Actions.Remove(text);
list2.Add(text);
flag = true;
}
}
foreach (ActionCategory category in newResponse.Categories)
{
if (localCacheCopy.Categories.ContainsKey(category.CategoryId))
{
TimeSpan timeSpan = TimeSpan.Parse(category.WaitTimeSpan);
if (localCacheCopy.Categories[category.CategoryId].WaitTimeSpan != timeSpan)
{
localCacheCopy.Categories[category.CategoryId].WaitTimeSpan = timeSpan;
flag = true;
}
}
}
array = localCacheCopy.Categories.Keys.ToArray();
foreach (string key in array)
{
CachedActionCategoryTime cachedActionCategoryTime = localCacheCopy.Categories[key];
if (utcNow >= cachedActionCategoryTime.LastSent.Add(cachedActionCategoryTime.WaitTimeSpan))
{
localCacheCopy.Categories.Remove(key);
flag = true;
}
}
if (flag)
{
Storage.SetLocalCache(localCacheCopy);
}
if (list.Count > 0)
{
responseUsesCachedRules = true;
}
stopwatch.Stop();
if (list.Count > 0 || list2.Count > 0 || localCacheCopy.Actions.Count > 0 || localCacheCopy.Categories.Count > 0)
{
string eventName = "VS/Core/TargetedNotifications/CacheMerged";
Dictionary <string, object> additionalProperties = new Dictionary <string, object>
{
{
"VS.Core.TargetedNotifications.AddedActions",
new TelemetryComplexProperty(list)
},
{
"VS.Core.TargetedNotifications.AddedActionsCount",
list.Count
},
{
"VS.Core.TargetedNotifications.ExpiredActions",
new TelemetryComplexProperty(list2)
},
{
"VS.Core.TargetedNotifications.ExpiredActionsCount",
list2.Count
},
{
"VS.Core.TargetedNotifications.CachedActions",
new TelemetryComplexProperty(localCacheCopy.Actions.Keys.ToList())
},
{
"VS.Core.TargetedNotifications.CachedActionsCount",
localCacheCopy.Actions.Count
},
{
"VS.Core.TargetedNotifications.CachedCategories",
new TelemetryComplexProperty(localCacheCopy.Categories.Keys.ToList())
},
{
"VS.Core.TargetedNotifications.CachedCategoriesCount",
localCacheCopy.Categories.Count
},
{
"VS.Core.TargetedNotifications.DurationMs",
stopwatch.ElapsedMilliseconds
}
};
telemetry.PostSuccessfulOperation(eventName, additionalProperties);
}
}
catch (Exception exception)
{
stopwatch.Stop();
string eventName2 = "VS/Core/TargetedNotifications/CacheMergeFailure";
string[] array2 = (from a in newResponse.Actions
where !a.SendAlways
select a.RuleId).Except(previouslyCachedRuleIds).ToArray();
Dictionary <string, object> additionalProperties2 = new Dictionary <string, object>
{
{
"VS.Core.TargetedNotifications.SendOnceActions",
new TelemetryComplexProperty(array2)
},
{
"VS.Core.TargetedNotifications.SendOnceActionsCount",
array2.Length
},
{
"VS.Core.TargetedNotifications.DurationMs",
stopwatch.ElapsedMilliseconds
}
};
telemetry.PostCriticalFault(eventName2, "Failed to merge new response with cache", exception, additionalProperties2);
}
finally
{
Storage.Unlock();
}
}
else
{
string eventName3 = "VS/Core/TargetedNotifications/CacheLockTimeout";
Dictionary <string, object> additionalProperties3 = new Dictionary <string, object>
{
{
"VS.Core.TargetedNotifications.Operation",
"MergeNewResponse"
},
{
"VS.Core.TargetedNotifications.TimeoutMs",
timeoutMs
}
};
telemetry.PostDiagnosticFault(eventName3, "Timeout acquiring cache lock", null, additionalProperties3);
}
}
/// <summary>
/// Given a set of actions, determines which of them can be sent now,
/// meaning they aren't SendOnce and already sent by another instance
/// and any Category courtesy WaitTimeSpans have expired.
///
/// This function updates cache state to indicate any returned actions
/// have been sent before returning them.
/// </summary>
/// <param name="actions">IEnumerable of ActionResponses to check against</param>
/// <param name="timeoutMs">Milliseconds to wait for cache access. Leave null for infinite.</param>
/// <returns>A subset of the given actions that are sendable.</returns>
public IEnumerable <ActionResponse> GetSendableActionsFromSet(IEnumerable <ActionResponse> actions, int?timeoutMs = null)
{
if (!actions.Any((ActionResponse a) => (a.Categories != null && a.Categories.Count > 0) || (responseUsesCachedRules && !a.SendAlways)))
{
return(actions);
}
Func <IEnumerable <ActionResponse> > func = () => actions.Where((ActionResponse a) => (a.Categories == null || a.Categories.Count == 0) && (!responseUsesCachedRules || a.SendAlways));
if (Storage.Lock(timeoutMs))
{
try
{
bool flag = false;
CachedTargetedNotifications localCacheCopy = Storage.GetLocalCacheCopy();
List <ActionResponse> list = new List <ActionResponse>();
foreach (ActionResponse action in actions)
{
if (action.SendAlways || !responseUsesCachedRules || localCacheCopy.Actions.ContainsKey(action.RuleId))
{
List <string> list2 = new List <string>();
DateTime utcNow = DateTime.UtcNow;
TimeSpan t = TimeSpan.MinValue;
if (action.Categories != null)
{
foreach (string category in action.Categories)
{
if (localCacheCopy.Categories.ContainsKey(category))
{
CachedActionCategoryTime cachedActionCategoryTime = localCacheCopy.Categories[category];
DateTime dateTime = cachedActionCategoryTime.LastSent.Add(cachedActionCategoryTime.WaitTimeSpan);
if (utcNow < dateTime)
{
list2.Add(category);
TimeSpan timeSpan = dateTime - utcNow;
if (timeSpan > t)
{
t = timeSpan;
}
}
}
}
}
if (list2.Count == 0 || !enforceCourtesy)
{
IEnumerable <string> categories = action.Categories;
List <string> list3 = (categories ?? Enumerable.Empty <string>()).Where((string c) => !tnProvider.ActionCategories.ContainsKey(c)).ToList();
if (list3.Count() == 0 || !enforceCourtesy)
{
if (action.Categories != null)
{
foreach (string category2 in action.Categories)
{
if (tnProvider.ActionCategories.ContainsKey(category2))
{
flag = true;
localCacheCopy.Categories[category2] = new CachedActionCategoryTime
{
LastSent = utcNow,
WaitTimeSpan = TimeSpan.Parse(tnProvider.ActionCategories[category2].WaitTimeSpan)
};
}
}
}
if (!action.SendAlways)
{
flag = true;
localCacheCopy.Actions.Remove(action.RuleId);
}
list.Add(action);
}
else
{
string eventName = "VS/Core/TargetedNotifications/MissingCategories";
Dictionary <string, object> additionalProperties = new Dictionary <string, object>
{
{
"VS.Core.TargetedNotifications.RuleId",
action.RuleId
},
{
"VS.Core.TargetedNotifications.MissingCategories",
new TelemetryComplexProperty(list3)
}
};
telemetry.PostCriticalFault(eventName, "Rule requires category information that was not provided. It can never be sent.", null, additionalProperties);
}
}
else
{
string eventName2 = "VS/Core/TargetedNotifications/CourtesyDeniedAction";
Dictionary <string, object> additionalProperties2 = new Dictionary <string, object>
{
{
"VS.Core.TargetedNotifications.RuleId",
action.RuleId
},
{
"VS.Core.TargetedNotifications.Categories",
new TelemetryComplexProperty(list2)
},
{
"VS.Core.TargetedNotifications.MinimumWaitTimeSpan",
t.ToString()
}
};
telemetry.PostSuccessfulOperation(eventName2, additionalProperties2);
}
}
}
if (flag)
{
Storage.SetLocalCache(localCacheCopy);
}
return(list);
}
catch (Exception exception)
{
IEnumerable <ActionResponse> enumerable = func();
List <string> list4 = actions.Select((ActionResponse a) => a.RuleId).Except(enumerable.Select((ActionResponse a) => a.RuleId)).ToList();
string eventName3 = "VS/Core/TargetedNotifications/CacheFailure";
Dictionary <string, object> additionalProperties3 = new Dictionary <string, object>
{
{
"VS.Core.TargetedNotifications.BlockedRuleCount",
list4.Count
},
{
"VS.Core.TargetedNotifications.BlockedRuleIds",
new TelemetryComplexProperty(list4)
}
};
telemetry.PostCriticalFault(eventName3, "Failed to get sendable actions", exception, additionalProperties3);
return(enumerable);
}
finally
{
Storage.Unlock();
}
}
IEnumerable <ActionResponse> enumerable2 = func();
List <string> list5 = actions.Select((ActionResponse a) => a.RuleId).Except(enumerable2.Select((ActionResponse a) => a.RuleId)).ToList();
string eventName4 = "VS/Core/TargetedNotifications/CacheLockTimeout";
Dictionary <string, object> additionalProperties4 = new Dictionary <string, object>
{
{
"VS.Core.TargetedNotifications.Operation",
"GetSendableActionsFromSet"
},
{
"VS.Core.TargetedNotifications.TimeoutMs",
timeoutMs
},
{
"VS.Core.TargetedNotifications.BlockedRuleCount",
list5.Count
},
{
"VS.Core.TargetedNotifications.BlockedRuleIds",
new TelemetryComplexProperty(list5)
}
};
telemetry.PostDiagnosticFault(eventName4, "Timeout acquiring cache lock", null, additionalProperties4);
return(enumerable2);
}
