/// <summary>
/// Submits asynchronously.
/// </summary>
/// <returns>A function delegate that returns the future result to be available through the Task.</returns>
public Task <IJob> SubmitAsync()
{
if (!string.IsNullOrWhiteSpace(this.Id))
{
// The job was already submitted.
throw new InvalidOperationException(StringTable.InvalidOperationSubmitForSubmittedJob);
}
IMediaDataServiceContext dataContext = this.GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
this.InnerSubmit(dataContext);
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(SaveChangesOptions.Batch, this))
.ContinueWith(
t =>
{
t.ThrowIfFaulted();
JobData data = (JobData)t.Result.AsyncState;
data.Refresh();
return (IJob)data;
}, TaskContinuationOptions.ExecuteSynchronously));
}
/// <summary>
/// Asynchronously saves this <see cref="IJobTemplate"/> when created from a copy of an existing <see cref="IJobTemplate"/>.
/// </summary>
/// <returns>A function delegate that returns the future result to be available through the Task.</returns>
public Task SaveAsync()
{
if (!string.IsNullOrWhiteSpace(this.Id))
{
// The job template was already saved, and there is no current support to update it.
throw new InvalidOperationException(StringTable.InvalidOperationSaveForSavedJobTemplate);
}
IMediaDataServiceContext dataContext = this.GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
this.InnerSave(dataContext);
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(SaveChangesOptions.Batch, this))
.ContinueWith(
t =>
{
t.ThrowIfFaulted();
JobTemplateData data = (JobTemplateData)t.Result.AsyncState;
LoadProperty(dataContext, data, TaskTemplatesPropertyName);
}));
}
/// <summary>
/// Gets the certificate for protection key id.
/// </summary>
/// <param name="mediaContext">The media context.</param>
/// <param name="protectionKeyId">The protection key id.</param>
/// <returns>The content key.</returns>
internal static X509Certificate2 GetCertificateForProtectionKeyId(MediaContextBase mediaContext, string protectionKeyId)
{
// First check to see if we have the cert in our store already.
X509Certificate2 certToUse = EncryptionUtils.GetCertificateFromStore(protectionKeyId);
IMediaDataServiceContext dataContext = mediaContext.MediaServicesClassFactory.CreateDataServiceContext();
if ((certToUse == null) && (dataContext != null))
{
// If not, download it from Nimbus to use.
Uri uriGetProtectionKey = new Uri(String.Format(CultureInfo.InvariantCulture, "/GetProtectionKey?protectionKeyId='{0}'", protectionKeyId), UriKind.Relative);
MediaRetryPolicy retryPolicy = mediaContext.MediaServicesClassFactory.GetQueryRetryPolicy();
IEnumerable <string> results2 = retryPolicy.ExecuteAction <IEnumerable <string> >(() => dataContext.Execute <string>(uriGetProtectionKey));
string certString = results2.Single();
byte[] certBytes = Convert.FromBase64String(certString);
certToUse = new X509Certificate2(certBytes);
// Finally save it for next time.
EncryptionUtils.SaveCertificateToStore(certToUse);
}
return(certToUse);
}
private Task <IIngestManifestAsset> CreateAsync(IIngestManifest ingestManifest, IAsset asset, CancellationToken token, Action <IngestManifestAssetData> continueWith)
{
IngestManifestCollection.VerifyManifest(ingestManifest);
IMediaDataServiceContext dataContext = MediaContext.MediaServicesClassFactory.CreateDataServiceContext();
var data = new IngestManifestAssetData
{
ParentIngestManifestId = ingestManifest.Id
};
dataContext.AddObject(IngestManifestAssetCollection.EntitySet, data);
dataContext.AttachTo(AssetCollection.AssetSet, asset);
dataContext.SetLink(data, "Asset", asset);
MediaRetryPolicy retryPolicy = this.MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy();
Task <IIngestManifestAsset> task = retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(data))
.ContinueWith <IIngestManifestAsset>(t =>
{
t.ThrowIfFaulted();
token.ThrowIfCancellationRequested();
IngestManifestAssetData ingestManifestAsset = (IngestManifestAssetData)t.Result.AsyncState;
continueWith(ingestManifestAsset);
return(ingestManifestAsset);
}, TaskContinuationOptions.ExecuteSynchronously);
return(task);
}
/// <summary>
/// Asynchronously creates an <see cref="IContentKeyAuthorizationPolicyOption"/> with the provided name and permissions, valid for the provided duration.
/// </summary>
/// <param name="name">Specifies a friendly name for the PolicyOption.</param>
/// <param name="deliveryType">Delivery method of the content key to the client.</param>
/// <param name="restrictions">Authorization restrictions.</param>
/// <param name="keyDeliveryConfiguration">Xml data, specific to the key delivery type that defines how the key is delivered to the client.</param>
/// <returns>A function delegate that returns the future result to be available through the Task<IContentKeyAuthorizationPolicyOption>.</returns>
public Task <IContentKeyAuthorizationPolicyOption> CreateAsync(
string name,
ContentKeyDeliveryType deliveryType,
List <ContentKeyAuthorizationPolicyRestriction> restrictions,
string keyDeliveryConfiguration)
{
IMediaDataServiceContext dataContext = this.MediaContext.MediaServicesClassFactory.CreateDataServiceContext();
var policyOption = new ContentKeyAuthorizationPolicyOptionData
{
Name = name,
Restrictions = restrictions,
KeyDeliveryConfiguration = keyDeliveryConfiguration
};
((IContentKeyAuthorizationPolicyOption)policyOption).KeyDeliveryType = deliveryType;
policyOption.SetMediaContext(this.MediaContext);
dataContext.AddObject(ContentKeyAuthorizationPolicyOptionSet, policyOption);
MediaRetryPolicy retryPolicy = this.MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(policyOption))
.ContinueWith <IContentKeyAuthorizationPolicyOption>(
t =>
{
t.ThrowIfFaulted();
return (ContentKeyAuthorizationPolicyOptionData)t.Result.AsyncState;
},
TaskContinuationOptions.ExecuteSynchronously));
}
/// <summary>
/// Creates a notification endpoint asynchronously
/// </summary>
/// <param name="name">Name of notification endpoint</param>
/// <param name="endPointType">Notification endpoint type</param>
/// <param name="endPointAddress">Notification endpoint address</param>
/// <returns>Task of creating notification endpoint.</returns>
public Task <INotificationEndPoint> CreateAsync(string name, NotificationEndPointType endPointType,
string endPointAddress)
{
NotificationEndPoint notificationEndPoint = new NotificationEndPoint
{
Name = name,
EndPointType = (int)endPointType,
EndPointAddress = endPointAddress
};
notificationEndPoint.SetMediaContext(MediaContext);
IMediaDataServiceContext dataContext = MediaContext.MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AddObject(NotificationEndPoints, notificationEndPoint);
MediaRetryPolicy retryPolicy =
this.MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(
() => dataContext.SaveChangesAsync(notificationEndPoint))
.ContinueWith <INotificationEndPoint>(
t =>
{
t.ThrowIfFaulted();
return (NotificationEndPoint)t.Result.AsyncState;
},
TaskContinuationOptions.ExecuteSynchronously));
}
/// <summary>
/// Uploads the destinationPath with given path asynchronously
/// </summary>
/// <param name="path">The path of a destinationPath to upload</param>
/// <param name="blobTransferClient">The <see cref="BlobTransferClient"/> which is used to upload files.</param>
/// <param name="locator">An asset <see cref="ILocator"/> which defines permissions associated with the Asset.</param>
/// <param name="token">A <see cref="CancellationToken"/> to use for canceling upload operation.</param>
/// <returns>A function delegate that returns the future result to be available through the Task.</returns>
public Task UploadAsync(string path, BlobTransferClient blobTransferClient, ILocator locator, CancellationToken token)
{
if (blobTransferClient == null)
{
throw new ArgumentNullException("blobTransferClient");
}
if (locator == null)
{
throw new ArgumentNullException("locator");
}
if (path == null)
{
throw new ArgumentNullException("path");
}
if (!File.Exists(path))
{
throw new FileNotFoundException(path);
}
ValidateFileName(path);
IContentKey contentKeyData = null;
FileEncryption fileEncryption = null;
AssetCreationOptions assetCreationOptions = this.Asset.Options;
if (assetCreationOptions.HasFlag(AssetCreationOptions.StorageEncrypted))
{
contentKeyData = this.Asset.ContentKeys.Where(c => c.ContentKeyType == ContentKeyType.StorageEncryption).FirstOrDefault();
if (contentKeyData == null)
{
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, StringTable.StorageEncryptionContentKeyIsMissing, this.Asset.Id));
}
fileEncryption = new FileEncryption(contentKeyData.GetClearKeyValue(), EncryptionUtils.GetKeyIdAsGuid(contentKeyData.Id));
}
EventHandler <BlobTransferProgressChangedEventArgs> handler = (s, e) => OnUploadProgressChanged(path, e);
blobTransferClient.TransferProgressChanged += handler;
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetBlobStorageClientRetryPolicy();
return(blobTransferClient.UploadBlob(
new Uri(locator.BaseUri),
path,
null,
fileEncryption,
token,
retryPolicy.AsAzureStorageClientRetryPolicy(),
() => locator.ContentAccessComponent)
.ContinueWith(
ts =>
{
blobTransferClient.TransferProgressChanged -= handler;
this.PostUploadAction(ts, path, fileEncryption, assetCreationOptions, token);
}));
}
/// <summary>
/// Gets the certificate for protection key id.
/// </summary>
/// <param name="mediaContext">The media context.</param>
/// <param name="protectionKeyId">The protection key id.</param>
/// <returns>The content key.</returns>
internal static X509Certificate2 GetCertificateForProtectionKeyId(MediaContextBase mediaContext, string protectionKeyId)
{
// First check to see if we have the cert in our store already.
X509Certificate2 certToUse = EncryptionUtils.GetCertificateFromStore(protectionKeyId);
IMediaDataServiceContext dataContext = mediaContext.MediaServicesClassFactory.CreateDataServiceContext();
if ((certToUse == null) && (dataContext != null))
{
// If not, download it from Nimbus to use.
Uri uriGetProtectionKey = new Uri(String.Format(CultureInfo.InvariantCulture, "/GetProtectionKey?protectionKeyId='{0}'", protectionKeyId), UriKind.Relative);
MediaRetryPolicy retryPolicy = mediaContext.MediaServicesClassFactory.GetQueryRetryPolicy(dataContext as IRetryPolicyAdapter);
IEnumerable <string> results2 = retryPolicy.ExecuteAction <IEnumerable <string> >(() => dataContext.Execute <string>(uriGetProtectionKey));
string certString = results2.Single();
byte[] certBytes = Convert.FromBase64String(certString);
certToUse = new X509Certificate2(certBytes);
try
{
// Finally save it for next time.
EncryptionUtils.SaveCertificateToStore(certToUse);
}
catch
{
// Azure Web Sites does not allow writing access to the local certificate store (it is blocked by the security model used to isolate each web site).
// Swallow the exception and continue executing.
}
}
return(certToUse);
}
/// <summary>
/// Gets the encrypted key value.
/// </summary>
/// <param name="certToEncryptTo">The cert to use.</param>
/// <returns>A function delegate that returns the future result to be available through the Task<byte[]>.</returns>
public Task <byte[]> GetEncryptedKeyValueAsync(X509Certificate2 certToEncryptTo)
{
if (certToEncryptTo == null)
{
throw new ArgumentNullException("certToEncryptTo");
}
// Start a new task here because the ExecutAsync on the DataContext returns a Task<string>
return(Task.Factory.StartNew <byte[]>(() =>
{
byte[] returnValue = null;
if (this.GetMediaContext() != null)
{
string certToSend = Convert.ToBase64String(certToEncryptTo.Export(X509ContentType.Cert));
certToSend = HttpUtility.UrlEncode(certToSend);
Uri uriRebindContentKey = new Uri(string.Format(CultureInfo.InvariantCulture, "/RebindContentKey?id='{0}'&x509Certificate='{1}'", this.Id, certToSend), UriKind.Relative);
IMediaDataServiceContext dataContext = this.GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetQueryRetryPolicy(dataContext as IRetryPolicyAdapter);
IEnumerable <string> results = retryPolicy.ExecuteAction <IEnumerable <string> >(() => dataContext.Execute <string>(uriRebindContentKey));
string reboundContentKey = results.Single();
returnValue = Convert.FromBase64String(reboundContentKey);
}
return returnValue;
}));
}
/// <summary>
/// Creates the manifest async.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="storageAccountName">The name of storage account </param>
/// <returns><see cref="Task"/> of type <see cref="IIngestManifest"/></returns>
public Task <IIngestManifest> CreateAsync(string name, string storageAccountName)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (storageAccountName == null)
{
throw new ArgumentNullException("storageAccountName");
}
IngestManifestData ingestManifestData = new IngestManifestData
{
Name = name,
StorageAccountName = storageAccountName
};
ingestManifestData.SetMediaContext(this.MediaContext);
IMediaDataServiceContext dataContext = this.MediaContext.MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AddObject(EntitySet, ingestManifestData);
MediaRetryPolicy retryPolicy = this.MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(ingestManifestData))
.ContinueWith <IIngestManifest>(
t =>
{
t.ThrowIfFaulted();
IngestManifestData data = (IngestManifestData)t.Result.AsyncState;
return data;
}));
}
/// <summary>
/// Sends delete operation to the service and returns. Use Operations collection to get operation's status.
/// </summary>
/// <returns>Operation info that can be used to track the operation.</returns>
public IOperation SendDeleteOperation()
{
if (string.IsNullOrWhiteSpace(Id))
{
throw new InvalidOperationException(Resources.ErrorEntityWithoutId);
}
IMediaDataServiceContext dataContext = GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AttachTo(EntitySetName, this);
dataContext.DeleteObject(this);
MediaRetryPolicy retryPolicy = GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
var response = retryPolicy.ExecuteAction(() => dataContext.SaveChanges());
string operationId = response.Single().Headers[StreamingConstants.OperationIdHeader];
var result = new OperationData
{
ErrorCode = null,
ErrorMessage = null,
Id = operationId,
State = OperationState.InProgress.ToString(),
};
return(result);
}
private Uri GetAccountApiEndpoint(OAuthDataServiceAdapter dataServiceAdapter, ServiceVersionAdapter versionAdapter, Uri apiServer, UserAgentAdapter userAgentAdapter, ClientRequestIdAdapter clientRequestIdAdapter)
{
MediaRetryPolicy retryPolicy = new MediaRetryPolicy(
GetWebRequestTransientErrorDetectionStrategy(),
RetryStrategyFactory.DefaultStrategy());
Uri apiEndpoint = null;
retryPolicy.ExecuteAction(
() =>
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(apiServer);
request.AllowAutoRedirect = false;
dataServiceAdapter.AddAccessTokenToRequest(request);
versionAdapter.AddVersionToRequest(request);
userAgentAdapter.AddUserAgentToRequest(request);
clientRequestIdAdapter.AddClientRequestId(request);
using (WebResponse response = request.GetResponse())
{
apiEndpoint = GetAccountApiEndpointFromResponse(response);
}
}
);
return(apiEndpoint);
}
/// <summary>
/// Asynchronously creates an <see cref="IAssetDeliveryPolicy"/>.
/// </summary>
/// <param name="name">Friendly name for the policy.</param>
/// <param name="policyType">Type of the policy.</param>
/// <param name="deliveryProtocol">Delivery protocol.</param>
/// <param name="configuration">Configuration.</param>
/// <returns>An <see cref="IAssetDeliveryPolicy"/>.</returns>
public Task <IAssetDeliveryPolicy> CreateAsync(
string name,
AssetDeliveryPolicyType policyType,
AssetDeliveryProtocol deliveryProtocol,
Dictionary <AssetDeliveryPolicyConfigurationKey, string> configuration)
{
IMediaDataServiceContext dataContext = this.MediaContext.MediaServicesClassFactory.CreateDataServiceContext();
var policy = new AssetDeliveryPolicyData
{
Name = name,
};
((IAssetDeliveryPolicy)policy).AssetDeliveryPolicyType = policyType;
((IAssetDeliveryPolicy)policy).AssetDeliveryProtocol = deliveryProtocol;
((IAssetDeliveryPolicy)policy).AssetDeliveryConfiguration = configuration;
policy.SetMediaContext(this.MediaContext);
dataContext.AddObject(DeliveryPolicySet, policy);
MediaRetryPolicy retryPolicy = this.MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(policy))
.ContinueWith <IAssetDeliveryPolicy>(
t =>
{
t.ThrowIfFaulted();
return (AssetDeliveryPolicyData)t.Result.AsyncState;
},
TaskContinuationOptions.ExecuteSynchronously));
}
/// <summary>
/// Asynchronously creates new StreamingFilter.
/// </summary>
/// <param name="name">filter name</param>
/// <param name="timeRange">filter boundaries</param>
/// <param name="trackConditions">filter track conditions</param>
/// <returns>The task to create the filter.</returns>
public Task <IStreamingAssetFilter> CreateAsync(string name, PresentationTimeRange timeRange, IList <FilterTrackSelectStatement> trackConditions)
{
if (String.IsNullOrEmpty(name))
{
throw new ArgumentNullException("name");
}
AssetFilterData filter = new AssetFilterData(_parentAsset.Id, name, timeRange, trackConditions);
filter.SetMediaContext(MediaContext);
IMediaDataServiceContext dataContext = MediaContext.MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AddObject(AssetFilterSet, filter);
MediaRetryPolicy retryPolicy = MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync(() => dataContext.SaveChangesAsync(filter))
.ContinueWith <IStreamingAssetFilter>(
t =>
{
t.ThrowIfFaulted();
return (AssetFilterData)t.Result.AsyncState;
},
TaskContinuationOptions.ExecuteSynchronously));
}
/// <summary>
/// Asynchronously revokes the specified Locator, denying any access it provided.
/// </summary>
/// <returns>A function delegate that returns the future result to be available through the Task<ILocator>.</returns>
public Task DeleteAsync()
{
LocatorBaseCollection.VerifyLocator(this);
IMediaDataServiceContext dataContext = this.GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AttachTo(LocatorBaseCollection.LocatorSet, this);
dataContext.DeleteObject(this);
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(this))
.ContinueWith(
t =>
{
t.ThrowIfFaulted();
LocatorData data = (LocatorData)t.Result.AsyncState;
if (GetMediaContext() != null)
{
var cloudContextAsset = (AssetData)GetMediaContext().Assets.Where(c => c.Id == data.AssetId).FirstOrDefault();
if (cloudContextAsset != null)
{
cloudContextAsset.InvalidateLocatorsCollection();
}
}
if (data.Asset != null)
{
data.Asset.InvalidateLocatorsCollection();
}
},
TaskContinuationOptions.ExecuteSynchronously));
}
/// <summary>
/// Waits for REST Nimbus Streaming operation completion
/// </summary>
/// <param name="context">The <seealso cref="CloudMediaContext"/> instance.</param>
/// <param name="operationId">Id of the operation.</param>
/// <param name="pollInterval">Poll interval.</param>
/// <returns>Operation.</returns>
public static IOperation WaitOperationCompletion(MediaContextBase context, string operationId, TimeSpan pollInterval)
{
IOperation operation;
do
{
Thread.Sleep(pollInterval);
IMediaDataServiceContext dataContext = context.MediaServicesClassFactory.CreateDataServiceContext();
Uri uri = new Uri(string.Format(CultureInfo.InvariantCulture, "/Operations('{0}')", operationId), UriKind.Relative);
MediaRetryPolicy retryPolicy = context.MediaServicesClassFactory.GetQueryRetryPolicy(dataContext as IRetryPolicyAdapter);
try
{
operation = retryPolicy.ExecuteAction <IEnumerable <OperationData> >(() => dataContext.Execute <OperationData>(uri)).SingleOrDefault();
}
catch (Exception e)
{
e.Data.Add("OperationId", operationId);
throw;
}
if (operation == null)
{
throw new InvalidOperationException(
string.Format(CultureInfo.CurrentCulture, Resources.ErrorOperationNotFoundFormat, operationId));
}
}while (operation.State == OperationState.InProgress);
return(operation);
}
protected Task ExecuteActionAsync(Uri uri, TimeSpan pollInterval, params OperationParameter[] operationParameters)
{
return(Task.Factory.StartNew(() =>
{
if (GetMediaContext() != null)
{
IMediaDataServiceContext dataContext = GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
MediaRetryPolicy retryPolicy = GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
var response = retryPolicy.ExecuteAction(() => dataContext.Execute(uri, "POST", operationParameters));
if (response.StatusCode == (int)HttpStatusCode.NotFound)
{
throw new InvalidOperationException("Entity not found");
}
if (response.StatusCode >= 400)
{
var code = (HttpStatusCode)response.StatusCode;
throw new InvalidOperationException(code.ToString());
}
if (response.StatusCode != (int)HttpStatusCode.Accepted) // synchronous complete
{
Refresh();
return;
}
string operationId = response.Headers[StreamingConstants.OperationIdHeader];
var operation = AsyncHelper.WaitOperationCompletion(
GetMediaContext(),
operationId,
pollInterval);
Refresh();
string messageFormat = Resources.ErrorOperationFailedFormat;
switch (operation.State)
{
case OperationState.Succeeded:
return;
case OperationState.Failed:
throw new InvalidOperationException(
string.Format(CultureInfo.CurrentCulture, messageFormat, uri.OriginalString, Resources.Failed, operationId));
default:
throw new InvalidOperationException(
string.Format(CultureInfo.CurrentCulture, messageFormat, uri.OriginalString, operation.State, operationId));
}
}
}));
}
/// <summary>
/// Delete this instance of notification endpoint object in asynchronous mode.
/// </summary>
/// <returns>Task of deleting the notification endpoint.</returns>
public Task DeleteAsync()
{
IMediaDataServiceContext dataContext = GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AttachTo(NotificationEndPointCollection.NotificationEndPoints, this);
dataContext.DeleteObject(this);
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy();
return retryPolicy.ExecuteAsync<IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(this));
}
/// <summary>
/// Creates retry policy for working with Azure blob storage.
/// This overrides the GetBlobStorageClientRetryPolicy defined in AzureMediaServicesClassFactory
/// </summary>
/// <returns>Retry policy.</returns>
public override MediaRetryPolicy GetBlobStorageClientRetryPolicy()
{
//overriding the retry policy to have 2 retry attempts for working with Azure blob storage.
//Also using SaveChangesRetry Polciy here.
var retryPolicy = new MediaRetryPolicy(
GetSaveChangesErrorDetectionStrategy(),
ConnectionBlobMaxAttempts);
return retryPolicy;
}
/// <summary>
/// Removes the item.
/// </summary>
/// <param name="index">The index.</param>
protected override void RemoveItem(int index)
{
this._dataContext.DeleteLink(this._parent, this._propertyName, this[index]);
MediaRetryPolicy retryPolicy = this._parent.GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy();
retryPolicy.ExecuteAction <IMediaDataServiceResponse>(() => _dataContext.SaveChanges());
base.RemoveItem(index);
}
/// <summary>
/// Creates retry policy for working with Azure blob storage.
/// This overrides the GetBlobStorageClientRetryPolicy defined in AzureMediaServicesClassFactory
/// </summary>
/// <returns>Retry policy.</returns>
public override MediaRetryPolicy GetBlobStorageClientRetryPolicy()
{
//overriding the retry policy to have 2 retry attempts for working with Azure blob storage.
//Also using SaveChangesRetry Polciy here.
var retryPolicy = new MediaRetryPolicy(
GetSaveChangesErrorDetectionStrategy(),
ConnectionBlobMaxAttempts);
return(retryPolicy);
}
/// <summary>
/// Creates the manifest asset file asynchronously.
/// </summary>
/// <param name="ingestManifestAsset">The parent manifest asset.</param>
/// <param name="filePath">The file path.</param>
/// <param name="token"><see cref="CancellationToken"/></param>
/// <returns><see cref="Task"/>of type <see cref="IIngestManifestFile"/></returns>
public Task <IIngestManifestFile> CreateAsync(IIngestManifestAsset ingestManifestAsset, string filePath, CancellationToken token)
{
if (ingestManifestAsset == null)
{
throw new ArgumentNullException("ingestManifestAsset");
}
if (string.IsNullOrWhiteSpace(filePath))
{
throw new ArgumentException(String.Format(CultureInfo.InvariantCulture, StringTable.ErrorCreatingIngestManifestFileEmptyFilePath));
}
AssetCreationOptions options = ingestManifestAsset.Asset.Options;
Task <IIngestManifestFile> rootTask = new Task <IIngestManifestFile>(() =>
{
token.ThrowIfCancellationRequested();
IngestManifestAssetCollection.VerifyManifestAsset(ingestManifestAsset);
IMediaDataServiceContext dataContext = this.MediaContext.MediaServicesClassFactory.CreateDataServiceContext();
// Set a MIME type based on the extension of the file name
string mimeType = AssetFileData.GetMimeType(filePath);
IngestManifestFileData data = new IngestManifestFileData
{
Name = Path.GetFileName(filePath),
MimeType = mimeType,
ParentIngestManifestId = ingestManifestAsset.ParentIngestManifestId,
ParentIngestManifestAssetId = ingestManifestAsset.Id,
Path = filePath,
};
SetEncryptionSettings(ingestManifestAsset, options, data);
dataContext.AddObject(EntitySet, data);
MediaRetryPolicy retryPolicy = this.MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
Task <IIngestManifestFile> task = retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(data))
.ContinueWith <IIngestManifestFile>(t =>
{
t.ThrowIfFaulted();
token.ThrowIfCancellationRequested();
IngestManifestFileData ingestManifestFile = (IngestManifestFileData)t.Result.AsyncState;
return(ingestManifestFile);
});
return(task.Result);
});
rootTask.Start();
return(rootTask);
}
/// <summary>
/// Retrieves an operation by its Id.
/// </summary>
/// <param name="id">Id of the operation.</param>
/// <returns>Operation.</returns>
public IOperation GetOperation(string id)
{
Uri uri = new Uri(string.Format(CultureInfo.InvariantCulture, "/{0}('{1}')", OperationSet, id), UriKind.Relative);
IMediaDataServiceContext dataContext = this._cloudMediaContext.MediaServicesClassFactory.CreateDataServiceContext();
MediaRetryPolicy retryPolicy = _cloudMediaContext.MediaServicesClassFactory.GetQueryRetryPolicy(dataContext as IRetryPolicyAdapter);
IOperation operation = retryPolicy.ExecuteAction <IEnumerable <OperationData> >(() => dataContext.Execute <OperationData>(uri)).SingleOrDefault();
return(operation);
}
/// <summary>
/// Asynchronously deletes this instance.
/// </summary>
/// <returns>A function delegate that returns the future result to be available through the Task.</returns>
public Task DeleteAsync()
{
IMediaDataServiceContext dataContext = this.GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AttachTo(FileSet, this);
dataContext.DeleteObject(this);
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy();
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(this)));
}
/// <summary>
/// Asynchronously deletes this instance.
/// </summary>
/// <returns>A function delegate that returns the future result to be available through the Task.</returns>
public Task <IMediaDataServiceResponse> DeleteAsync()
{
IMediaDataServiceContext dataContext = this.GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AttachTo(ContentKeyAuthorizationPolicyOptionCollection.ContentKeyAuthorizationPolicyOptionSet, this);
dataContext.DeleteObject(this);
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(this)));
}
/// <summary>
/// Creates retry policy for saving changes in Media Services REST layer.
/// </summary>
/// <returns>Retry policy.</returns>
public override MediaRetryPolicy GetSaveChangesRetryPolicy()
{
var retryPolicy = new MediaRetryPolicy(
GetSaveChangesErrorDetectionStrategy(),
retryCount: 5,
minBackoff: TimeSpan.FromMilliseconds(10),
maxBackoff: TimeSpan.FromMilliseconds(10000),
deltaBackoff: TimeSpan.FromMilliseconds(50));
return(retryPolicy);
}
/// <summary>
/// Asynchronously downloads the represented file to the specified destination path.
/// </summary>
/// <param name="destinationPath">The path to download the file to.</param>
/// <param name="blobTransferClient">The <see cref="BlobTransferClient"/> which is used to download files.</param>
/// <param name="locator">An asset <see cref="ILocator"/> which defines permissions associated with the Asset.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>
/// A function delegate that returns the future result to be available through the Task.
/// </returns>
public Task DownloadAsync(string destinationPath, BlobTransferClient blobTransferClient, ILocator locator, CancellationToken cancellationToken)
{
if (this.IsFragmented())
{
throw new NotSupportedException(StringTable.NotSupportedFragblobDownload);
}
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetBlobStorageClientRetryPolicy();
return(this.DownloadToFileAsync(destinationPath, blobTransferClient, locator, retryPolicy.AsAzureStorageClientRetryPolicy(), cancellationToken));
}
/// <summary>
/// Creates retry policy for saving changes in Media Services REST layer.
/// </summary>
/// <returns>Retry policy.</returns>
public override MediaRetryPolicy GetSaveChangesRetryPolicy()
{
var retryPolicy = new MediaRetryPolicy(
GetSaveChangesErrorDetectionStrategy(),
retryCount: 5,
minBackoff: TimeSpan.FromMilliseconds(10),
maxBackoff: TimeSpan.FromMilliseconds(10000),
deltaBackoff: TimeSpan.FromMilliseconds(50));
return retryPolicy;
}
/// <summary>
/// Update the notification endpoint object in asynchronous mode.
/// </summary>
/// <returns>Task of updating the notification endpoint.</returns>
public Task UpdateAsync()
{
IMediaDataServiceContext dataContext = GetMediaContext().MediaServicesClassFactory.CreateCustomDataServiceContext();
dataContext.AttachTo(NotificationEndPointCollectionV212.NotificationEndPoints, this);
dataContext.UpdateObject(this);
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(this)));
}
/// <summary>
/// Deletes the manifest asset file asynchronously.
/// </summary>
/// <returns><see cref="Task"/></returns>
public Task DeleteAsync()
{
IMediaDataServiceContext dataContext = GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AttachTo(IngestManifestFileCollection.EntitySet, this);
dataContext.DeleteObject(this);
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(this)));
}
/// <summary>
/// Creates retry policy for working with Azure blob storage.
/// </summary>
/// <returns>Retry policy.</returns>
public override MediaRetryPolicy GetBlobStorageClientRetryPolicy()
{
var retryPolicy = new MediaRetryPolicy(
GetStorageTransientErrorDetectionStrategy(),
retryCount: ConnectionRetryMaxAttempts,
minBackoff: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum),
maxBackoff: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum * 16),
deltaBackoff: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum));
return(retryPolicy);
}
/// <summary>
/// Creates retry policy for querying Media Services REST layer.
/// </summary>
/// <returns>Retry policy.</returns>
public override MediaRetryPolicy GetQueryRetryPolicy(IRetryPolicyAdapter adapter)
{
var retryPolicy = new MediaRetryPolicy(
GetQueryErrorDetectionStrategy(),
retryCount: ConnectionRetryMaxAttempts,
minBackoff: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum),
maxBackoff: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum * 16),
deltaBackoff: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum));
retryPolicy.RetryPolicyAdapter = adapter;
return(retryPolicy);
}
/// <summary>
/// Creates retry policy for saving changes in Media Services REST layer.
/// This overrides the GetSaveChangesRetryPolicy defined in AzureMediaServicesClassFactory
/// </summary>
/// <returns>Retry policy.</returns>
public override MediaRetryPolicy GetSaveChangesRetryPolicy(IRetryPolicyAdapter adapter)
{
//Overriding to create a retrypolicy with a different RetryInitialInterval and retrycount
//than the default one.Also creating a new custom retrystrategy for adding a new transient
//type failure in the list of transient exceptions.
var retryPolicy = new MediaRetryPolicy(
GetSaveChangesErrorDetectionStrategy(),
retryCount: ConnectionSaveRetryMaxAttempts,
initialInterval: TimeSpan.FromMilliseconds(ConnectionRetryInitialInterval),
increment: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum * 16)
);
retryPolicy.RetryPolicyAdapter = adapter;
return retryPolicy;
}
/// <summary>
/// Creates retry policy for working with Azure blob storage.
/// </summary>
/// <returns>Retry policy.</returns>
public override MediaRetryPolicy GetBlobStorageClientRetryPolicy()
{
var retryPolicy = new MediaRetryPolicy(
GetStorageTransientErrorDetectionStrategy(),
retryCount: ConnectionRetryMaxAttempts,
minBackoff: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum),
maxBackoff: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum * 16),
deltaBackoff: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum));
return retryPolicy;
}
/// <summary>
/// Creates retry policy for saving changes in Media Services REST layer.
/// </summary>
/// <returns>Retry policy.</returns>
public override MediaRetryPolicy GetSaveChangesRetryPolicy(IRetryPolicyAdapter adapter)
{
var retryPolicy = new MediaRetryPolicy(
GetSaveChangesErrorDetectionStrategy(),
retryCount: ConnectionRetryMaxAttempts,
minBackoff: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum),
maxBackoff: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum * 16),
deltaBackoff: TimeSpan.FromMilliseconds(ConnectionRetrySleepQuantum)
);
retryPolicy.RetryPolicyAdapter = adapter;
return retryPolicy;
}
private Uri GetAccountApiEndpoint(OAuthDataServiceAdapter dataServiceAdapter, ServiceVersionAdapter versionAdapter, Uri apiServer, UserAgentAdapter userAgentAdapter, IWebRequestAdapter clientRequestIdAdapter)
{
MediaRetryPolicy retryPolicy = new MediaRetryPolicy(
GetWebRequestTransientErrorDetectionStrategy(),
RetryStrategyFactory.DefaultStrategy());
Uri apiEndpoint = null;
retryPolicy.ExecuteAction(
() =>
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(apiServer);
request.AllowAutoRedirect = false;
dataServiceAdapter.AddAccessTokenToRequest(request);
versionAdapter.AddVersionToRequest(request);
userAgentAdapter.AddUserAgentToRequest(request);
clientRequestIdAdapter.AddClientRequestId(request);
using (WebResponse response = request.GetResponse())
{
apiEndpoint = GetAccountApiEndpointFromResponse(response);
}
}
);
return apiEndpoint;
}
