/// <summary>
/// Called when [deleting].
/// </summary>
protected override void OnDeleting()
{
base.OnDeleting();
CatalogRelationDto catalogRelationDto = CatalogContext.Current.GetCatalogRelationDto(PrimaryKeyId.ToString());
if (catalogRelationDto.CatalogItemAsset.Count > 0)
{
for (int i = 0; i < catalogRelationDto.CatalogItemAsset.Count; i++)
{
catalogRelationDto.CatalogItemAsset[i].Delete();
}
if (catalogRelationDto.HasChanges())
{
CatalogContext.Current.SaveCatalogRelationDto(catalogRelationDto);
}
}
// Clean Up BlobStorage
BlobStorageProvider provider = BlobStorage.Providers[BlobStorageProvider];
if (provider != null)
{
BlobInfo blobInfo = provider.GetInfo((Guid)BlobUid);
if (blobInfo != null)
{
provider.ReleaseStream(blobInfo);
}
}
}
/// <summary>
/// Copies the specified folder element.
/// </summary>
/// <param name="folderElement">The folder element.</param>
/// <param name="newParentId">The parent id.</param>
public static void Copy(FolderElement folderElement, int parentId)
{
FolderElement newElement = null;
BlobInfo blobInfo = folderElement.GetBlobInfo();
BlobInfo blobInfoNew = (BlobInfo)blobInfo.Clone();
blobInfoNew.Uid = Guid.NewGuid();
BlobStorageProvider provider = BlobStorage.Providers[folderElement.BlobStorageProvider];
using (Stream srcStream = provider.ReadStream(blobInfo))
{
using (Stream dstStream = provider.CreateStream(blobInfoNew))
{
BlobStreamHelper.WriteToStream(dstStream, srcStream, 0, srcStream.Length);
provider.CommitStream(blobInfoNew);
}
}
newElement = (FolderElement)folderElement.Clone();
newElement.BlobUid = blobInfoNew.Uid;
newElement.Save();
Move(newElement, parentId);
}
public async Task <IList <string> > Put(string filepath)
{
if (!Request.Content.IsMimeMultipartContent())
{
Console.WriteLine(Request.Content.Headers.ContentType.ToString());
throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType);
}
try
{
CloudBlobContainer container = await GetBlobContainer();
BlobStorageProvider provider = new BlobStorageProvider(container, filepath);
await Request.Content.ReadAsMultipartAsync(provider);
ServerUtils.LogTelemetryEvent(User.Identity.Name, "UploadImage");
return(provider.Urls);
}
catch (Exception e)
{
return(new List <string>()
{
e.Message
});
}
}
/// <summary>
/// Creates the specified parent id.
/// </summary>
/// <param name="parentId">The parent id.</param>
/// <param name="fileName">Name of the file.</param>
/// <param name="srcStream">The SRC stream.</param>
/// <returns></returns>
public static FolderElement Create(int parentId, string fileName,
Stream srcStream, Guid progressUid)
{
FolderElement retVal = new FolderElement();
BlobInfo blobInfo = new BlobInfo(Guid.NewGuid());
retVal.ParentId = parentId;
//Try recognize provider from config setings
BlobStorageProvider provider = BlobStorage.Provider;
String providerName;
String contentType = Mediachase.Ibn.Blob.ContentTypeResolver.ContentType.ResolveByPath(fileName);
long fileSize = srcStream.Length;
if (TryRecognizeStorageProvider(retVal, fileName, contentType,
fileSize, out providerName))
{
provider = BlobStorage.Providers[providerName];
}
blobInfo.FileName = fileName;
blobInfo.Provider = provider.Name;
blobInfo.Created = DateTime.UtcNow;
blobInfo.ContentSize = fileSize;
blobInfo.ContentType = contentType;
//Content type assigned by provider
//Save blob info to storage
using (Stream dstStream = provider.CreateStream(blobInfo))
{
//BlobStreamHelper.WriteToStream(dstStream, srcStream, 0, fileSize);
WriteToStream(dstStream, srcStream, 0, fileSize, progressUid);
}
provider.CommitStream(blobInfo);
retVal.BlobStorageProvider = provider.Name;
retVal.BlobUid = blobInfo.Uid;
retVal.Created = DateTime.UtcNow;
retVal.Name = blobInfo.FileName;
if (retVal.Properties.Contains("ContentSize"))
{
retVal.Properties["ContentSize"].Value = (Int32)blobInfo.ContentSize;
}
if (retVal.Properties.Contains("ContentType"))
{
retVal.Properties["ContentType"].Value = blobInfo.ContentType;
}
//try
IFolderElementExtension folderEl = GetCfgFolderElementExtension(blobInfo);
if (folderEl != null)
{
folderEl.Process(retVal);
}
retVal.Save();
return(retVal);
}
/// <summary>
/// Processes the specified element.
/// </summary>
/// <param name="element">The element.</param>
public void Process(FolderElement element)
{
element.Card = cardName;
BlobInfo blobInfo = element.GetBlobInfo();
if (blobInfo != null)
{
BlobStorageProvider provider = BlobStorage.Providers[blobInfo.Provider];
if (provider != null)
{
using (Stream stream = provider.ReadStream(blobInfo))
{
try
{
Image img = Image.FromStream(stream);
element.Properties["Width"].Value = img.Width;
element.Properties["Height"].Value = img.Height;
}
catch (ArgumentException)
{
}
}
}
}
}
/// <summary>
/// Gets the URL.
/// </summary>
/// <param name="downloadProfile">The download profile.</param>
/// <returns></returns>
public String GetUrl()
{
StringBuilder retVal = new StringBuilder();
BlobStorageProvider provider =
BlobStorage.Providers[this.BlobStorageProvider];
if ((provider != null) && (this.BlobUid != null))
{
// eliminate calls to blobinfo
//BlobInfo blobInfo = provider.GetInfo((Guid)this.BlobUid);
//if (blobInfo != null)
{
retVal.Append(GetElementPath("/"));
retVal.Append(this.Name);
//Read from config add or not HandlerExtension
String addHandlerExt = ConfigurationManager.AppSettings["LibraryHandlerExtension"];
if (!String.IsNullOrEmpty(addHandlerExt))
{
retVal.Append(addHandlerExt);
}
}
}
return(retVal.ToString());
}
/// <summary>
/// POST: api/Messages
/// Receive a message from a user and reply to it
/// </summary>
public async Task <HttpResponseMessage> Post([FromBody] Activity activity)
{
ConnectorClient connector = new ConnectorClient(new Uri(activity.ServiceUrl));
Activity reply = activity.CreateReply("Please send your selfie, to participate in the rating.");
if (activity.Type == ActivityTypes.Message)
{
if (activity.Attachments != null && activity.Attachments.Count > 0)
{
var photo = activity.Attachments[0];
if (!photo.ContentType.Contains("webp"))
{
BlobStorageProvider blobProvider = new BlobStorageProvider();
var imageBlob = blobProvider.SaveImage(photo.ContentUrl, photo.ContentType);
FaceProvider faceProvider = new FaceProvider();
var faces = await faceProvider.GetFaces(imageBlob.Uri.AbsoluteUri);
if (faces != null)
{
reply = activity.CreateReply($"Thanks for your rating! See more results here: http://akvelonrating.azurewebsites.net/");
await ImageProcessingService.GetService().Process(imageBlob, faces);
var attachments = new List <Attachment>();
attachments.Add(new Attachment()
{
ContentUrl = imageBlob.Uri.AbsoluteUri,
ContentType = photo.ContentType,
Name = photo.Name
});
reply.Attachments = attachments;
}
else
{
await imageBlob.DeleteAsync();
reply = activity.CreateReply($"Sorry. Faces were not found.");
}
}
else
{
reply = activity.CreateReply($"I'm not sure, that you look like this... Please send your selfie, to participate in the rating.");
}
}
else
{
if (activity.Text.ToLower().Contains("start") || activity.Text.ToLower().Contains("help"))
{
reply = activity.CreateReply("Hello! I'm Akvelon Emotional Rating bot! I am receiving the photo (selfie) and I am making an assessment of the event in accordance with the emotions on selfie. Send your foto, to participate in the rating.");
}
}
}
await connector.Conversations.ReplyToActivityAsync(reply);
var response = Request.CreateResponse(HttpStatusCode.OK);
return(response);
}
protected virtual void SaveImage(string imageUrl, Image image, ImageFormat format)
{
using (var blobStream = BlobStorageProvider.OpenWrite(imageUrl))
using (var stream = new MemoryStream())
{
image.Save(stream, format);
stream.Position = 0;
stream.CopyTo(blobStream);
}
}
protected virtual async Task <Image> LoadImageAsync(string imageUrl)
{
using (var blobStream = BlobStorageProvider.OpenRead(imageUrl))
using (var stream = new MemoryStream())
{
await blobStream.CopyToAsync(stream);
var result = Image.FromStream(stream);
return(result);
}
}
private void SaveImage(CloudBlockBlob imageBlob, Image image)
{
BlobStorageProvider blobProvider = new BlobStorageProvider();
using (Stream stream = new MemoryStream())
{
image.Save(stream, ImageFormat.Jpeg);
stream.Position = 0;
blobProvider.UpdateBlob(imageBlob, stream);
}
}
/// <inheritdoc />
public override bool HasSameLocation(BlobStorageProvider other)
{
var otherAureProvider = other as AzureBlobStorageProvider;
if (otherAureProvider != null)
{
return(this.connectionString.Equals(otherAureProvider.connectionString, StringComparison.OrdinalIgnoreCase) &&
this.containerName.Equals(otherAureProvider.containerName, StringComparison.OrdinalIgnoreCase) &&
this.rootUrl.Equals(otherAureProvider.rootUrl, StringComparison.OrdinalIgnoreCase));
}
return(base.HasSameLocation(other));
}
public async Task Put()
{
if (!Request.Content.IsMimeMultipartContent("form-data"))
{
throw new HttpResponseException(Request.CreateResponse(HttpStatusCode.UnsupportedMediaType));
}
var provider = new BlobStorageProvider(_container);
await Request.Content.ReadAsMultipartAsync(provider);
var context = GlobalHost.ConnectionManager.GetHubContext <Hubs.Gallery>();
context.Clients.All.newPhotosReceived(provider.Urls);
}
/// <summary>
/// 将获取到的数据写到Blob中
/// </summary>
/// <returns></returns>
private static async Task AddDataToBlobAsync()
{
Console.WriteLine("处理小额购买用户");
string maxPurchaseAmount = ConfigurationManager.AppSettings["MaxPurchaseAmount"];
Console.WriteLine("当前处理小额为0-" + maxPurchaseAmount + "(包含)分的购买订单用户");
int i;
if (!Int32.TryParse(ConfigurationManager.AppSettings["BlobIndex"], out i))
{
Console.WriteLine("配置信息中的BlobIndex请输入数字");
return;
}
Console.WriteLine("BlobIndex从" + i + "开始");
Console.WriteLine("请确定信息，是否继续? y/ n");
string key = Console.ReadLine();
if (key != "y")
{
return;
}
List <AllocationTransfer> allocationTransfers = await GetWaitingAssetAndPurchaseOrderAsync(maxPurchaseAmount);
CloudBlobContainer blobContainer = await BlobStorageProvider.InitAsync();
int count = 0;
foreach (var allocationTransferItem in allocationTransfers)
{
if (allocationTransferItem.YemUserProductDtos.Any())
{
await BlobStorageProvider.WriteStateToBlob(blobContainer, "JinYinMao.Business.Assets.Grains.Actors.SmallSyncAssetPoolActor/" + i, allocationTransferItem.ToJson());
count++;
i++;
}
}
Console.WriteLine("总共处理条数:" + count);
}
/// <inheritdoc />
public override bool HasSameLocation(BlobStorageProvider other)
{
var otherAureProvider = other as AzureBlobStorageProvider;
if (otherAureProvider != null)
return this.connectionString.Equals(otherAureProvider.connectionString, StringComparison.OrdinalIgnoreCase) &&
this.containerName.Equals(otherAureProvider.containerName, StringComparison.OrdinalIgnoreCase) &&
this.rootUrl.Equals(otherAureProvider.rootUrl, StringComparison.OrdinalIgnoreCase);
return base.HasSameLocation(other);
}
/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler"></see> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"></see> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.</param>
public void ProcessRequest(HttpContext context)
{
string libPath = HttpUtility.UrlDecode(context.Request.Url.AbsolutePath);
string appPath = context.Request.ApplicationPath;
appPath = appPath.TrimEnd(new char[] { '/' });
if (!String.IsNullOrEmpty(appPath))
{
libPath = libPath.Substring(appPath.Length + 1);
}
int index = libPath.LastIndexOf('/');
if (index != -1)
{
String elemName = libPath.Substring(index + 1);
//remove iis extension from element name
elemName = elemName.Substring(0, elemName.LastIndexOf('.'));
libPath = libPath.Substring(0, index);
FolderElement[] elements = FolderElement.GetElementsByPath(libPath);
if (elements != null)
{
foreach (FolderElement element in elements)
{
/*
* if (provider is PublicDiskStorageProvider)
* downloadProfile = BaseBlobProfile.GetAccessProfileByCfgName("iis");
* */
if (elemName.Equals(element.Name, StringComparison.InvariantCultureIgnoreCase))
{
try
{
//"open" - is DonwloadProfile in Web.config
BaseBlobProfile downloadProfile = BaseBlobProfile.GetAccessProfileByCfgName("open");
//If public disk provider then redirect
BlobStorageProvider provider = BlobStorage.Providers[element.BlobStorageProvider];
BlobInfo blobInfo = element.GetBlobInfo();
string profileName = String.Empty;
string providerName = String.Empty;
if (FolderElement.TryRecognizeStorageProvider(element, blobInfo.FileName, blobInfo.ContentType, blobInfo.ContentSize, out providerName, out profileName))
{
if (!String.IsNullOrEmpty(profileName))
{
downloadProfile = BaseBlobProfile.GetAccessProfileByCfgName(profileName);
}
}
String filterName = context.Request[FolderElement.filterParam];
//Download filter impl
if (!String.IsNullOrEmpty(filterName))
{
DownloadFilterBase filter = DownloadFilterBase.GetFilterByCfgName(filterName);
if (filter != null)
{
filter.Initialize(context.Request.Params);
//subscribe to filter event
downloadProfile.FilterEvent += filter.ProcessFilter;
}
}
//Begin download
downloadProfile.ProcessRequest(context, blobInfo);
}
catch (BlobDownloadException e)
{
if (e.Code == 204) //No content
{
context.Response.ClearContent();
context.Response.AddHeader("Content-Length", "0");
}
//throw new HttpException(e.Code, e.Message);
context.Response.StatusCode = e.Code;
context.Response.StatusDescription = e.Message;
}
}
}
}
}
}
/// <summary>
/// Binds the data.
/// </summary>
private void BindData()
{
if (DataSource == null)
{
this.Visible = false;
return;
}
List <ItemAsset> assets = new List <ItemAsset>();
if (!String.IsNullOrEmpty(GroupName))
{
foreach (ItemAsset asset in DataSource)
{
if (asset.GroupName.Equals(GroupName))
{
assets.Add(asset);
}
}
}
else
{
foreach (ItemAsset asset in DataSource)
{
assets.Add(asset);
}
}
this.Visible = true;
List <FolderElement> elements = new List <FolderElement>();
foreach (ItemAsset asset in assets)
{
if (asset.AssetType.Equals("file"))
{
FolderElement[] myElements = FolderElement.List <FolderElement>(FolderElement.GetAssignedMetaClass(), new FilterElement[] { new FilterElement("FolderElementId", FilterElementType.Equal, asset.AssetKey) });
if (myElements.Length > 0)
{
elements.Add(myElements[0]);
}
}
else
{
FolderElement[] myElements = FolderElement.List <FolderElement>(FolderElement.GetAssignedMetaClass(), new FilterElement[] { new FilterElement("ParentId", FilterElementType.Equal, asset.AssetKey) });
if (myElements.Length > 0)
{
foreach (FolderElement myElement in myElements)
{
elements.Add(myElement);
}
}
}
}
DataTable table = new DataTable();
table.Columns.Add(new DataColumn("ID", typeof(string)));
table.Columns.Add(new DataColumn("Name", typeof(string)));
table.Columns.Add(new DataColumn("Size", typeof(string)));
table.Columns.Add(new DataColumn("Url", typeof(string)));
table.Columns.Add(new DataColumn("Filename", typeof(string)));
table.Columns.Add(new DataColumn("Icon", typeof(string)));
table.Columns.Add(new DataColumn("Created", typeof(DateTime)));
foreach (FolderElement element in elements)
{
DataRow newRow = table.NewRow();
newRow["ID"] = element.PrimaryKeyId.ToString();
newRow["Name"] = element.Name;
BlobStorageProvider prov = BlobStorage.Providers[element.BlobStorageProvider];
BlobInfo info = prov.GetInfo(new Guid(element.BlobUid.ToString()));
newRow["FileName"] = info.FileName;
newRow["Url"] = String.Format("~{0}", element.GetUrl()); //DownloadFileUrlBuilder.GetUrl("iis", info);
newRow["Icon"] = CommonHelper.GetIcon(info.FileName);
newRow["Created"] = info.Created;
newRow["Size"] = CommerceHelper.ByteSizeToStr(info.ContentSize);
table.Rows.Add(newRow);
}
DownloadsList.DataSource = table;
DownloadsList.DataBind();
}
public async Task TestStorageRemove(Type storageProviderType)
{
IStorageProvider store;
switch (storageProviderType.Name)
{
case nameof(BlobStorageProvider):
var blobServiceClient = new BlobServiceClient("UseDevelopmentStorage=true");
var container = blobServiceClient.GetBlobContainerClient("globalcache");
await container.CreateIfNotExistsAsync();
store = new BlobStorageProvider(container);
break;
case nameof(FileStorageProvider):
store = new FileStorageProvider();
break;
default:
throw new NotSupportedException($"{nameof(storageProviderType)} is not supported");
}
var id1 = new CacheId("remove", 1);
var id2 = new CacheId("remove", 2);
// Write two values
var val1 = await OpenReadWriteAsync(id1, onWrite : stream => {
stream.WriteByte(1);
return(Task.FromResult(1));
});
var val2 = await OpenReadWriteAsync(id2, onWrite : stream => {
stream.WriteByte(2);
return(Task.FromResult(2));
});
// Clear 1 value
Assert.True(await store.RemoveAsync(id1), "id1 should have been removed");
await CheckRemoved(id1, 1);
// Check 2 still exists
Assert.Equal(val2, await OpenReadWriteAsync(id2, onRead: stream => Task.FromResult(stream.ReadByte())));
// Clear ALL values
Assert.True(await store.RemoveAsync(CacheId.ForCategory("remove")), "id1 and id2 should have been removed");
await CheckRemoved(id2, 2);
async Task CheckRemoved(CacheId id, byte notExpected)
{
try
{
using var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromMilliseconds(20));
var value = await OpenReadWriteAsync(
id,
onRead : stream => Task.FromResult(stream.ReadByte()),
cancellationToken : cts.Token
);
if (value == notExpected)
{
throw new Exception($"Item {id} should have been removed");
}
}
catch (TaskCanceledException)
{
// Pass
}
}
async Task <T> OpenReadWriteAsync <T>(CacheId id,
Func <Stream, Task <T> >?onWrite = null,
Func <Stream, Task <T> >?onRead = null,
CancellationToken cancellationToken = default)
public async Task TestStorageConcurrence(Type storageProviderType)
{
IStorageProvider store;
switch (storageProviderType.Name)
{
case nameof(BlobStorageProvider):
var blobServiceClient = new BlobServiceClient("UseDevelopmentStorage=true");
var container = blobServiceClient.GetBlobContainerClient("globalcache");
await container.CreateIfNotExistsAsync();
store = new BlobStorageProvider(container);
break;
case nameof(FileStorageProvider):
store = new FileStorageProvider();
break;
default:
throw new NotSupportedException($"{nameof(storageProviderType)} is not supported");
}
var id = new CacheId("concurrence", 1);
var str = "hello world" + Guid.NewGuid();
var writes = 0;
await store.RemoveAsync(id);
await Task.WhenAll(new []
{
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
store.RemoveAsync(id),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
store.RemoveAsync(id),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
store.RemoveAsync(id),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
GetOrCreateAsync().ContinueWith(task => Assert.Equal(str, task.Result)),
});
// await store.RemoveAsync(id);
async Task <string> GetOrCreateAsync()
{
var retries = new RetryHelper(1, 500, totalMaxDelay: TimeSpan.FromSeconds(60));
do
{
if (await store.TryOpenRead(id) is Stream readStream)
{
using (readStream)
{
using var sr = new StreamReader(readStream);
return(await sr.ReadToEndAsync());
}
}
if (await store.TryOpenWrite(id) is StreamWithCompletion writeStream)
{
using (writeStream)
{
// !!!!Expensive data generation here!!!!
await writeStream.WriteAsync(Encoding.Default.GetBytes(str !));
Interlocked.Increment(ref writes);
// !!!!
}
await writeStream;
return(str !);
}
if (await retries.DelayAsync().ConfigureAwait(false) == false)
{
throw new TimeoutException();
}
}while (true);
}
}
public async Task TestStoreSerializers(Type serializerType, Type storageProviderType)
{
IStorageProvider store;
if (!(Activator.CreateInstance(serializerType) is ISerializationProvider serializer))
{
throw new Exception($"{serializerType} is not a serialization provider");
}
switch (storageProviderType.Name)
{
case nameof(BlobStorageProvider):
var blobServiceClient = new BlobServiceClient("UseDevelopmentStorage=true");
var container = blobServiceClient.GetBlobContainerClient("globalcache");
await container.CreateIfNotExistsAsync();
store = new BlobStorageProvider(container);
break;
case nameof(FileStorageProvider):
store = new FileStorageProvider();
break;
default:
throw new NotSupportedException($"{nameof(storageProviderType)} is not supported");
}
var id = new CacheId(serializerType.Name, 5);
await store.RemoveAsync(id);
// Write data
var written = await OpenReadWriteAsync(id, onWrite : async stream =>
{
// Open database and query data
var items = new List <string>();
await foreach (var item in GetData())
{
items.Add(item);
}
await serializer.SerializeToStreamAsync(items, stream);
return(items);
});
Assert.NotNull(written);
Assert.NotEmpty(written);
// Read data
var read = await OpenReadWriteAsync(id, onRead : async stream =>
await serializer.DeserializeFromStreamAsync <List <string> >(stream)
);
Assert.NotNull(read);
Assert.Equal(written.Count, read.Count);
for (var i = 0; i < written.Count; ++i)
{
Assert.Equal(written[i], read[i]);
}
async IAsyncEnumerable <string> GetData()
{
for (var i = 0; i < 1000; ++i)
{
await Task.Yield();
yield return($"Item {i}");
}
}
async Task <T> OpenReadWriteAsync <T>(CacheId id,
Func <Stream, Task <T> >?onWrite = null,
Func <Stream, Task <T> >?onRead = null,
CancellationToken cancellationToken = default)
private Image LoadImage(string uri)
{
return(Image.FromStream(BlobStorageProvider.GetStreamFromUrl(uri)));
}
protected virtual bool Exists(string imageUrl)
{
var blobInfo = BlobStorageProvider.GetBlobInfo(imageUrl);
return(blobInfo != null);
}
/// <summary>
/// Processes the request.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="blobInfo">The BLOB info.</param>
public override void ProcessRequest(HttpContext context, BlobInfo blobInfo)
{
this._blobInfo = blobInfo;
this._provider = BlobStorage.Providers[blobInfo.Provider];
this.ProcessRequest(context);
}
