public static void ProcessMessage(QueueEnvelope envelope, bool reportEnvelopeError = true)
{
try
{
InformationContext.Current.InitializeCloudStorageAccess(envelope.ActiveContainerName);
if (envelope.SingleOperation != null)
{
ProcessSingleOperation(envelope.SingleOperation);
}
if (envelope.OrderDependentOperationSequence != null)
{
Exception firstException = null;
//envelope.OrderDependentOperationSequence.CollectionContent.ForEach(ProcessSingleOperation);
foreach (var singleOperation in envelope.OrderDependentOperationSequence.CollectionContent)
{
try
{
ProcessSingleOperation(singleOperation);
} catch (Exception ex)
{
firstException = ex;
ErrorSupport.ReportException(ex);
}
}
if (firstException != null)
{
throw firstException;
}
}
}
catch (Exception ex)
{
if (reportEnvelopeError)
{
ErrorSupport.ReportEnvelopeWithException(envelope, ex);
}
throw;
} finally
{
InformationContext.ProcessAndClearCurrent();
}
counter++;
if (counter >= 1000)
{
QueueSupport.ReportStatistics("Processed " + counter + " messages...");
counter = 0;
}
}
public static bool ProcessOwnerSubscriptionChains(IContainerOwner lockedOwner, string acquiredEtag, string containerName)
{
try
{
if (containerName != null)
{
InformationContext.Current.InitializeCloudStorageAccess(containerName: containerName);
}
string[] blobs = SubscribeSupport.GetChainRequestList(lockedOwner);
var chainContent = blobs.Select(blob => StorageSupport.RetrieveInformation(blob, typeof(SubscriptionChainRequestContent))).Cast <SubscriptionChainRequestContent>().ToArray();
const double invalidSubscriptionSubmissionTimeInSeconds = 600;
if (chainContent.Any(item => item.SubmitTime < DateTime.UtcNow.AddSeconds(-invalidSubscriptionSubmissionTimeInSeconds)))
{
return(false);
}
WorkerSupport.ExecuteSubscriptionChains(chainContent);
foreach (string blob in blobs)
{
StorageSupport.DeleteBlob(blob);
}
}
catch (Exception ex)
{
ErrorSupport.ReportException(ex);
throw;
}
finally
{
SubscribeSupport.ReleaseChainLock(lockedOwner, acquiredEtag);
if (containerName != null)
{
InformationContext.ProcessAndClearCurrent();
}
}
counter++;
if (counter >= 1000)
{
QueueSupport.ReportStatistics("Processed " + counter + " messages...");
counter = 0;
}
return(true);
}
public static void ExecuteSubscription(Subscription subscription)
{
if (String.IsNullOrEmpty(subscription.SubscriptionType))
{
return;
}
if (subscription.TargetRelativeLocation == subscription.SubscriberRelativeLocation)
{
throw new InvalidDataException("Self-circular subscription for target: " + subscription.TargetRelativeLocation);
}
if (subscription.SubscriptionType == SubscribeSupport.SubscribeType_WebPageToSource)
{
try
{
CloudBlob cloudBlob =
StorageSupport.CurrActiveContainer.GetBlockBlobReference(subscription.SubscriberRelativeLocation);
RenderWebSupport.RefreshPHTMLContent(cloudBlob, true);
} catch (Exception ex)
{
StorageClientException storageClientException = ex as StorageClientException;
if (storageClientException != null)
{
if (storageClientException.ErrorCode == StorageErrorCode.BlobNotFound)
{
return;
}
}
// TODO: Detect and remove the missing subscribers
ErrorSupport.ReportException(ex);
}
}
else if (subscription.SubscriptionType == SubscribeSupport.SubscribeType_MasterToReferenceUpdate)
{
try
{
string containerLocation = subscription.SubscriberRelativeLocation;
string containerType = subscription.SubscriberInformationObjectType;
string masterLocation = subscription.TargetRelativeLocation;
string masterType = subscription.TargetInformationObjectType;
UpdateContainerFromMaster(containerLocation, containerType, masterLocation, masterType);
} catch (Exception ex)
{
StorageClientException storageClientException = ex as StorageClientException;
if (storageClientException != null)
{
if (storageClientException.ErrorCode == StorageErrorCode.BlobNotFound)
{
return;
}
}
ErrorSupport.ReportException(ex);
}
}
else if (subscription.SubscriptionType == SubscribeSupport.SubscribeType_DirectoryToCollection)
{
string directoryLocation = subscription.TargetRelativeLocation;
string collectionType = subscription.SubscriberInformationObjectType;
string collectionLocation = subscription.SubscriberRelativeLocation;
UpdateCollectionFromDirectory(collectionType, collectionLocation, directoryLocation);
}
else if (subscription.SubscriptionType == SubscribeSupport.SubscribeType_CollectionToCollectionUpdate)
{
string masterCollectionLocation = subscription.TargetRelativeLocation;
string masterCollectionType = subscription.TargetInformationObjectType;
string referenceCollectionLocation = subscription.SubscriberRelativeLocation;
string referenceCollectionType = subscription.SubscriberInformationObjectType;
UpdateCollectionFromMasterCollection(referenceCollectionType, referenceCollectionLocation,
masterCollectionType, masterCollectionLocation);
}
else if (subscription.SubscriptionType == SubscribeSupport.SubscribeType_MasterCollectionToContainerUpdate)
{
string masterCollectionLocation = subscription.TargetRelativeLocation;
string masterCollectionType = subscription.TargetInformationObjectType;
string containerLocation = subscription.SubscriberRelativeLocation;
string containerType = subscription.SubscriberInformationObjectType;
UpdateContainerFromMasterCollection(containerType, containerLocation,
masterCollectionType, masterCollectionLocation);
}
else
{
throw new InvalidDataException(String.Format(
"Unsupported subscription type {0} for object: {1} by {2}", subscription.SubscriptionType,
subscription.TargetRelativeLocation, subscription.SubscriberRelativeLocation));
}
}
