public static void WriteLogs(string log)
{
string connectionString = @"DefaultEndpointsProtocol=https;AccountName=hotelmanagerblob;AccountKey=0rIspWPXwm7U22uvlHZshW6mHeJKLw1W5Tu3OQbi8jUasSRVju61eU0teHvNHwtzuGW68vmtRH9uE/rlhoqAnQ==;EndpointSuffix=core.windows.net";
string file = "appendBlop.txt";
CloudStorageAccount account = CloudStorageAccount.Parse(connectionString);
if (account == null) return;
CloudBlobClient client = account.CreateCloudBlobClient();
if (client == null) return;
CloudBlobContainer container = client.GetContainerReference("hotelmanagerlog");
try
{
container.CreateIfNotExists();
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
}
CloudAppendBlob blob = container.GetAppendBlobReference(file);
if (!blob.Exists()) blob.CreateOrReplace();
blob.AppendText($"{log} {Environment.NewLine}");
}
public Stream CreateFile(FileDescription fileDescription, SignOptions signOptions = null,
SaveOptions saveOptions = null)
{
CloudBlobContainer container = GetContainerReference();
string name = fileDescription.GUID.ToLower();
CloudBlockBlob blob = container.GetBlockBlobReference(name);
using (MemoryStream emptyStream = new MemoryStream())
{
blob.UploadFromStream(emptyStream);
}
try
{
CloudAppendBlob appendBlob = container.GetAppendBlobReference(name);
appendBlob.CreateOrReplace();
return(appendBlob.OpenWrite(true));
}
catch (Microsoft.WindowsAzure.Storage.StorageException exception)
{
// Azure Storage Emulator does not support append BLOBs,
// so we emulate appending
return(new CachingAzureStream(blob));
}
}
public static void Read([QueueTrigger("customers", Connection = "AzureWebJobsStorage")] string message, TraceWriter log)
{
//Deserialize customer from the queue
Customer customer = JsonConvert.DeserializeObject <Customer>(message);
#if Debug
var builder = new ConfigurationBuilder()
.AddJsonFile("local.settings.json", optional: true, reloadOnChange: true);
IConfiguration Configuration = builder.Build();
string con = Configuration["Values:AzureWebJobsStorage"];
#endif
string con = System.Environment.GetEnvironmentVariable("AzureWebJobsStorage");
CloudBlobClient blobClient = CloudStorageAccount.Parse(con).CreateCloudBlobClient();
var folder = "files";
CloudBlobContainer container = blobClient.GetContainerReference(folder);
container.CreateIfNotExists();
CloudAppendBlob blob = container.GetAppendBlobReference("customers.txt");
if (!blob.Exists())
{
blob.CreateOrReplace();
}
blob.AppendText(customer.Name + ";" + customer.Age + ";" + customer.Phone + "\n");
// blob.UploadText(customer.Name + ";" + customer.Age + ";" + customer.Phone);
}
protected override void Write(LogEventInfo logEvent)
{
if (_client == null)
{
return;
}
string containerName = Container.Render(logEvent);
string blobName = BlobName.Render(logEvent);
if (_container == null || _container.Name != containerName)
{
_container = _client.GetContainerReference(containerName);
_blob = null;
}
if (_blob == null || _blob.Name != blobName)
{
_blob = _container.GetAppendBlobReference(blobName);
if (!_blob.Exists())
{
try
{
_blob.Properties.ContentType = "text/plain";
_blob.CreateOrReplace(AccessCondition.GenerateIfNotExistsCondition(), null, null);
}
catch (StorageException)
{ }
}
}
var logMessage = this.Layout.Render(logEvent);
_blob.AppendText(logMessage + "\r\n", Encoding.UTF8);
}
public static void RunAppendBlob(CloudBlobContainer container, int times)
{
CloudAppendBlob appendBlob = container.GetAppendBlobReference("x/test.csv");
appendBlob.CreateOrReplace();
int nLabels = 10;
string record = FillRecord("thing", nLabels);
var watcher = Stopwatch.StartNew();
appendBlob.AppendText(record);
for (int i = 0; i < times; i++)
{
Console.WriteLine(((i + 1.0) / times) * 100 + "%");
appendBlob.AppendText(record);
}
Console.WriteLine("ElapsedTime: " + watcher.Elapsed);
Console.WriteLine("Blob length (bytes): " + appendBlob.Properties.Length);
Console.Read();
}
public void UploadToAppendBlob()
{
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(CloudConfigurationManager.GetSetting("StorageConnectionString"));
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
CloudBlobContainer container = blobClient.GetContainerReference("my-append-blobs");
container.CreateIfNotExists();
CloudAppendBlob appendBlob = container.GetAppendBlobReference("append-blob.log");
if (!appendBlob.Exists())
{
appendBlob.CreateOrReplace();
}
int numBlocks = 10;
Random rnd = new Random();
byte[] bytes = new byte[numBlocks];
rnd.NextBytes(bytes);
//Simulate a logging operation by writing text data and byte data to the end of the append blob.
for (int i = 0; i < numBlocks; i++)
{
appendBlob.AppendText(string.Format("Timestamp: {0:u} \tLog Entry: {1}{2}", DateTime.UtcNow, bytes[i], Environment.NewLine));
}
Console.WriteLine(appendBlob.DownloadText());
}
private void uploadToBlob(string fileName, string message)
{
CloudAppendBlob blob = this.container.GetAppendBlobReference(fileName);
//make sure the file exsits
if (!blob.Exists())
{
blob.CreateOrReplace();
}
try {
blob.AppendText(message);
}
catch (StorageException e1)
{
//retry after sleep
System.Threading.Thread.Sleep(10);
try
{
blob.AppendText(message);
}
catch (StorageException e)
{
writeToLocalFile(fileName, message + "\r\n" + e.ToString() + "\r\n");
}
}
}
public void CreateAppendBlob(string filePath)
{
CloudAppendBlob blockBlob = this.cloudBlobContainer.GetAppendBlobReference(filePath);
if (!blockBlob.Exists())
{
blockBlob.CreateOrReplace();
}
}
public static void Run([TimerTrigger("0 0 */4 * * *")] TimerInfo myTimer, TraceWriter log)
{
bool found = true;
storageAccount = CloudStorageAccount.Parse(storageAcct);
queueClient = storageAccount.CreateCloudQueueClient();
loggingQueue = queueClient.GetQueueReference(loggingQueueName);
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
CloudBlobContainer blobContainer = blobClient.GetContainerReference("logging");
blobContainer.CreateIfNotExists();
loggingQueue.FetchAttributes();
int?cachedMessageCount = loggingQueue.ApproximateMessageCount;
if (cachedMessageCount == 0 || cachedMessageCount == null)
{
return;
}
string createddate = Convert.ToDateTime(DateTime.UtcNow).ToString("yyyy-MM-dd/HH-mm/");
string blobName = "log/" + createddate + "telemetry.json";
CloudAppendBlob appendBlob = blobContainer.GetAppendBlobReference(blobName);
appendBlob.Properties.ContentType = "text/json";
appendBlob.CreateOrReplace();
while (cachedMessageCount > 0 && found)
{
found = false;
int?messagesToRetrieve = cachedMessageCount > 32 ? 32 : cachedMessageCount;
cachedMessageCount = cachedMessageCount - messagesToRetrieve;
foreach (CloudQueueMessage message in loggingQueue.GetMessages((int)messagesToRetrieve, TimeSpan.FromMinutes(2)))
{
found = true;
try
{
appendBlob.AppendText(message.AsString + Environment.NewLine);
loggingQueue.DeleteMessage(message);
}
catch
{
log.Info("problem logging data");
}
}
}
}
private CloudAppendBlob GetAppendBlob()
{
CloudAppendBlob blob = this.container.GetAppendBlobReference($"{DateTimeOffset.Now.ToString("yyyyMMdd")}/{DateTimeOffset.Now.ToString("yyyyMMddTHH")}.nm4");
if (!blob.Exists())
{
blob.CreateOrReplace();
}
return(blob);
}
private CloudAppendBlob NewCloudAppendBlob(string userId)
{
lock (cloudAppendBlobDictionary)
{
CloudAppendBlob cloudAppendBlob =
this.container.GetAppendBlobReference($"{userId}_{DateTime.Now.ToString("yyyy-MM-dd-HH-mm", CultureInfo.InvariantCulture)}.log");
if (!cloudAppendBlob.Exists())
{
cloudAppendBlob.CreateOrReplace();
}
cloudAppendBlobDictionary[userId] = cloudAppendBlob;
return(cloudAppendBlobDictionary[userId]);
}
}
public void AddStringToFile(string containerName, string fileName, string content)
{
var container = OpenOrInitializeContainer(containerName);
CloudAppendBlob appendBlob = container.GetAppendBlobReference(fileName);
//Create the append blob. Note that if the blob already exists, the CreateOrReplace() method will overwrite it.
//You can check whether the blob exists to avoid overwriting it by using CloudAppendBlob.Exists().
appendBlob.CreateOrReplace();
appendBlob.AppendText($"Timestamp: {DateTime.UtcNow} \tLog Entry: {content}");
appendBlob.DownloadText();
}
/// <summary>
/// Sends the events.
/// </summary>
/// <param name="events">The events that need to be send.</param>
/// <remarks>
/// <para>
/// The subclass must override this method to process the buffered events.
/// </para>
/// </remarks>
protected override void SendBuffer(LoggingEvent[] events)
{
CloudAppendBlob appendBlob = _cloudBlobContainer.GetAppendBlobReference(Filename(_directoryName));
if (!appendBlob.Exists())
{
appendBlob.CreateOrReplace();
}
else
{
_lineFeed = Environment.NewLine;
}
Parallel.ForEach(events, ProcessEvent);
}
private CloudAppendBlob GetBlob(DateTime eventTime)
{
string tagName = eventTime.ToString("yyyy-MM-dd");
if (tagName != _currentTagName)
{
_currentTagName = tagName;
_appendBlob = _blobContainer.GetAppendBlobReference($"{_blobNamePrefix}{_currentTagName}.txt");
if (!_appendBlob.Exists())
{
_appendBlob.CreateOrReplace();
}
}
return(_appendBlob);
}
protected override void Write(LogEventInfo logEvent)
{
var connectionString = ConnectionString.Render(logEvent);
if (_client == null || !string.Equals(_connectionString, connectionString, System.StringComparison.OrdinalIgnoreCase))
{
_client = CloudStorageAccount.Parse(connectionString).CreateCloudBlobClient();
InternalLogger.Debug("Initialized connection to {0}", connectionString);
}
string containerName = Container.Render(logEvent);
string blobName = BlobName.Render(logEvent);
if (_container == null || _container.Name != containerName)
{
_container = _client.GetContainerReference(containerName);
InternalLogger.Debug("Got container reference to {0}", containerName);
if (_container.CreateIfNotExists())
{
InternalLogger.Debug("Created container {0}", containerName);
}
_blob = null;
}
if (_blob == null || _blob.Name != blobName)
{
_blob = _container.GetAppendBlobReference(blobName);
if (!_blob.Exists())
{
try
{
_blob.Properties.ContentType = "text/plain";
_blob.CreateOrReplace(AccessCondition.GenerateIfNotExistsCondition());
InternalLogger.Debug("Created blob: {0}", blobName);
}
catch (StorageException ex) when(ex.RequestInformation.HttpStatusCode == (int)HttpStatusCode.Conflict)
{
// to be expected
}
}
}
_blob.AppendText(Layout.Render(logEvent) + "\r\n", Encoding.UTF8);
}
public void Log(object data, string source, string message = null)
{
try
{
string dataString = (data != null) ? data as string : "null";
if (dataString == null)
{
dataString = JsonConvert.SerializeObject(data);
}
var sasUri = new Uri(this.configuration.ObjectLogSASUrl);
var accountName = sasUri.Host.TrimEndString(".blob.core.windows.net");
StorageCredentials creds = new StorageCredentials(sasUri.Query);
CloudStorageAccount strAcc = new CloudStorageAccount(creds, accountName, endpointSuffix: null, useHttps: true);
CloudBlobClient blobClient = strAcc.CreateCloudBlobClient();
//Setup our container we are going to use and create it.
CloudBlobContainer container = blobClient.GetContainerReference(configuration.ObjectLogBlobContainer);
container.CreateIfNotExistsAsync();
// Build my typical log file name.
DateTime date = DateTime.Now;
// This creates a reference to the append blob we are going to use.
CloudAppendBlob appBlob = container.GetAppendBlobReference(
$"{date.ToString("yyyy-MM")}/{date.ToString("dd")}/{date.ToString("HH")}-{source}.log");
// Now we are going to check if todays file exists and if it doesn't we create it.
if (!appBlob.Exists())
{
appBlob.CreateOrReplace();
}
// Add the entry to our log.
var logMessage = $"{date.ToString("o")}|{message}|{dataString}{Environment.NewLine}";
using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(logMessage)))
{
// Append a block. AppendText is not safe across multiple threads & servers so use AppendBlock instead.
appBlob.AppendBlock(ms);
}
}
catch (Exception ex)
{
this.logger.Error("Error logging data to the permanent store", ex);
}
}
public async Task SaveDataToBlobAsync(string data)
{
try
{
CloudAppendBlob blob = _dataContainer.GetAppendBlobReference(GetBlobName());
if (!blob.Exists())
{
blob.CreateOrReplace();
}
await blob.AppendTextAsync(data);
}
catch (Exception ex)
{
_errorLogger.ErrorFormat("SaveDataToBlobAsync function encounter error : {0}",
ex.ToString().Replace("\r\n", " "));
}
}
private void InitializeAzureStorage()
{
string containerName = "hackfest";
remoteFileName = "test" + partitionID + ".txt";
string accName = ConfigurationManager.AppSettings["blobStorageAccountName"];
string accKey = ConfigurationManager.AppSettings["blobStorageAccountKey"];
StorageCredentials creds = new StorageCredentials(accName, accKey);
CloudStorageAccount storageAccount = new CloudStorageAccount(creds, true);
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
CloudBlobContainer container = blobClient.GetContainerReference(containerName);
container.CreateIfNotExists();
appBlob = container.GetAppendBlobReference(remoteFileName);
appBlob.CreateOrReplace();
}
/// <summary>
/// Sends the events.
/// </summary>
/// <param name="events">The events that need to be send.</param>
/// <remarks>
/// <para>
/// The subclass must override this method to process the buffered events.
/// </para>
/// </remarks>
protected override void SendBuffer(LoggingEvent[] events)
{
CloudAppendBlob appendBlob = _cloudBlobContainer.GetAppendBlobReference(Filename(_directoryName, _filenamePrefixDateTimeFormat, _filenameSuffix));
if (!appendBlob.Exists())
{
appendBlob.CreateOrReplace();
}
else
{
_lineFeed = Environment.NewLine;
}
foreach (var e in events)
{
ProcessEvent(e);
}
}
protected override void SendBuffer(LoggingEvent[] events)
{
CloudAppendBlob appendBlob = _cloudBlobContainer.GetAppendBlobReference(Filename(DirectoryName));
if (!appendBlob.Exists())
{
appendBlob.CreateOrReplace();
}
StringBuilder sb = new StringBuilder();
foreach (var loggingEvent in events)
{
sb.Append(RenderLoggingEvent(loggingEvent));
}
appendBlob.AppendText(sb.ToString());
}
private void WriteToAppendBlob(string logLevel, string log)
{
DateTime date = DateTime.Today;
DateTime dateLogEntry = DateTime.UtcNow;
try
{
CloudAppendBlob appBlob = _container.GetAppendBlobReference(string.Format("{0}{1}", date.ToString("yyyy-MM-dd"), ".log"));
if (!appBlob.Exists())
{
appBlob.CreateOrReplace();
}
appBlob.AppendText(string.Format("{0}\t{1}\t{2}\r\n", dateLogEntry.ToString("o"), logLevel, log));
}
catch (Exception)
{
;
}
}
private void InstanciateStorageBlob(string formattedStorageContainerName, string formattedStorageBlobName)
{
if ((_appendBlob == null) || (_appendBlob.Name != formattedStorageBlobName))
{
_appendBlob = _blobContainer.GetAppendBlobReference(formattedStorageBlobName);
if (!_appendBlob.Exists())
{
try
{
_appendBlob.CreateOrReplace(AccessCondition.GenerateIfNotExistsCondition(), null, null);
}
catch (StorageException storageException)
{
WriteDebugError(String.Format("NLog.AzureStorage - Failed to create Azure Storage Append Blob '{0}' in the Container '{1}' - Storage Exception: {2} {3}", formattedStorageBlobName, formattedStorageContainerName, storageException.Message, GetStorageExceptionHttpStatusMessage(storageException)));
throw;
}
}
}
}
/// <summary>
/// Initializes the BLOB.
/// </summary>
/// <param name="blobName">Name of the BLOB.</param>
private void InitializeBlob(string blobName)
{
if (_appendBlob == null || _appendBlob.Name != blobName)
{
_appendBlob = _container.GetAppendBlobReference(blobName);
if (!_appendBlob.Exists())
{
try
{
_appendBlob.Properties.ContentType = "text/plain";
_appendBlob.CreateOrReplace(AccessCondition.GenerateIfNotExistsCondition());
}
catch (StorageException ex)
{
InternalLogger.Error(ex, "Initialize Blob Exception");
throw;
}
}
}
}
/// <summary>
/// Create the blob storage refrences
/// </summary>
/// <param name="containerref">name of the container references
///</param>
/// <param name="blockref">name of the blob reference</param>
public StorageClient(string containerref, string blockref)
{
// Parse the connection string and return a reference to the storage account.
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(
CloudConfigurationManager.GetSetting("StorageConnectionString"));
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
// Retrieve a reference to a container.
CloudBlobContainer container = blobClient.GetContainerReference(containerref);
// Create the container if it doesn't already exist.
container.CreateIfNotExists();
// Retrieve reference to a blob named "myblob".
_blockBlob = container.GetAppendBlobReference(blockref);
if (!_blockBlob.Exists())
{
_blockBlob.CreateOrReplace();
}
}
public static List <long> AppendToWasbContainer(CloudBlobClient blobClient, string containerName, string blobName, int numIterations, byte[] contents)
{
CloudBlobContainer appendContainer = blobClient.GetContainerReference(containerName);
CloudAppendBlob appendBlob = appendContainer.GetAppendBlobReference(blobName);
appendBlob.CreateOrReplace();
appendContainer.CreateIfNotExists();
var perfMetrics = new List <long>();
for (int i = 0; i < numIterations; i++)
{
using (var stream = new MemoryStream(contents))
{
var watch = Stopwatch.StartNew();
appendBlob.AppendBlock(stream);
watch.Stop();
perfMetrics.Add(watch.ElapsedMilliseconds);
}
}
return(perfMetrics);
}
/// <summary>
/// create a new append blob with random properties and metadata
/// </summary>
/// <param name="container">CloudBlobContainer object</param>
/// <param name="blobName">blob name</param>
/// <returns>CloudAppendBlob object</returns>
public CloudAppendBlob CreateAppendBlob(CloudBlobContainer container, string blobName, bool createBigBlob = false)
{
CloudAppendBlob appendBlob = container.GetAppendBlobReference(blobName);
int size = createBigBlob ? random.Next(1024 * 1024 * 50, 1024 * 1024 * 100) : random.Next(1024 * 1024);
appendBlob.CreateOrReplace();
byte[] buffer = new byte[size];
// fill in random data
random.NextBytes(buffer);
using (MemoryStream ms = new MemoryStream(buffer))
{
appendBlob.UploadFromStream(ms);
}
string md5sum = Convert.ToBase64String(Helper.GetMD5(buffer));
appendBlob.Properties.ContentMD5 = md5sum;
GenerateBlobPropertiesAndMetaData(appendBlob);
Test.Info(string.Format("create append blob '{0}' in container '{1}', md5 = {2}", blobName, container.Name, md5sum));
return(appendBlob);
}
public static void AppendToBlob(string fileName, string textToAppend)
{
CloudStorageAccount account = CloudStorageAccount.Parse(AmbientConnectionStringProvider.Instance.GetConnectionString("blobConnection"));
CloudBlobClient client = account.CreateCloudBlobClient();
CloudBlobContainer container = client.GetContainerReference("images");
CloudAppendBlob appendBlob = container.GetAppendBlobReference(fileName);
if (!appendBlob.Exists())
{
appendBlob.CreateOrReplace();
}
MemoryStream stream = new MemoryStream();
StreamWriter writer = new StreamWriter(stream);
writer.Write(textToAppend + Environment.NewLine);
writer.Flush();
stream.Position = 0;
appendBlob.AppendBlock(stream);
}
protected override void Write(LogEventInfo logEvent)
{
if (_client == null)
{
return;
}
string containerName = Container.Render(logEvent);
string blobName = BlobName.Render(logEvent);
if (_container == null || _container.Name != containerName)
{
_container = _client.GetContainerReference(containerName);
_blob = null;
}
if (_blob == null || _blob.Name != blobName)
{
_blob = _container.GetAppendBlobReference(blobName);
if (!_blob.Exists())
{
try
{
_blob.Properties.ContentType = "text/plain";
_blob.CreateOrReplace(AccessCondition.GenerateIfNotExistsCondition());
}
catch (StorageException ex) when(ex.RequestInformation.HttpStatusCode == (int)HttpStatusCode.Conflict)
{
// to be expected
}
}
}
_blob.AppendText(Layout.Render(logEvent) + "\r\n", Encoding.UTF8);
}
private static async Task AppendBlobProcessAsync()
{
CloudStorageAccount storageAccount = null;
CloudBlobContainer cloudBlobContainer = null;
string sourceFile = null;
string destinationFile = null;
// Retrieve the connection string for use with the application. The storage connection string is stored
// in an environment variable on the machine running the application called storageconnectionstring.
// If the environment variable is created after the application is launched in a console or with Visual
// Studio, the shell needs to be closed and reloaded to take the environment variable into account.
string storageConnectionString = ConfigurationManager.AppSettings["StorageConnectionString"]; //Environment.GetEnvironmentVariable("StorageConnectionString");
//storageAccount = CloudStorageAccount.DevelopmentStorageAccount;
// Check whether the connection string can be parsed.
if (CloudStorageAccount.TryParse(storageConnectionString, out storageAccount))
{
try
{
// Create the CloudBlobClient that represents the Blob storage endpoint for the storage account.
////CloudBlobClient cloudBlobClient = storageAccount.CreateCloudBlobClient();
//127.0.0.1:10000/devstoreaccount1/testcont
// Create a container called 'quickstartblobs' and append a GUID value to it to make the name unique.
////cloudBlobContainer = cloudBlobClient.GetContainerReference("testcontappendblob");// "quickstartblobs" + Guid.NewGuid().ToString());
////await cloudBlobContainer.CreateIfNotExistsAsync();
////Console.WriteLine("Created container '{0}'", cloudBlobContainer.Name);
////Console.WriteLine();
////// Set the permissions so the blobs are public.
////BlobContainerPermissions permissions = new BlobContainerPermissions
////{
//// PublicAccess = BlobContainerPublicAccessType.Blob
////};
////await cloudBlobContainer.SetPermissionsAsync(permissions);
// Get a reference to the blob address, then upload the file to the blob.
// Use the value of localFileName for the blob name.
CloudBlobClient cloudBlobClient = storageAccount.CreateCloudBlobClient();
cloudBlobContainer = cloudBlobClient.GetContainerReference("testcont");
cloudBlobContainer.CreateIfNotExists();
CloudAppendBlob cloudAppendBlob = cloudBlobContainer.GetAppendBlobReference("1.txt");
cloudAppendBlob.CreateOrReplace();
cloudAppendBlob.AppendText("Content added");
cloudAppendBlob.AppendText("More content added");
cloudAppendBlob.AppendText("Even more content added");
string appendBlobContent = cloudAppendBlob.DownloadText();
//cloudAppendBlob.UploadFromFile(sourceFile);
// List the blobs in the container.
Console.WriteLine("Listing blobs in container.");
BlobContinuationToken blobContinuationToken = null;
do
{
var results = await cloudBlobContainer.ListBlobsSegmentedAsync(null, blobContinuationToken);
// Get the value of the continuation token returned by the listing call.
blobContinuationToken = results.ContinuationToken;
foreach (IListBlobItem item in results.Results)
{
Console.WriteLine(item.Uri);
}
} while (blobContinuationToken != null); // Loop while the continuation token is not null.
destinationFile = sourceFile.Replace(".txt", "_DOWNLOADED.txt");
Console.WriteLine("Downloading blob to {0}", destinationFile);
Console.WriteLine();
await cloudAppendBlob.DownloadToFileAsync(destinationFile, FileMode.Create);
File.WriteAllText(sourceFile, "Hello, World, I am good, how is your health!");
await cloudAppendBlob.UploadFromFileAsync(sourceFile);
await cloudAppendBlob.DeleteAsync();
}
catch (StorageException ex)
{
Console.WriteLine("Error returned from the service: {0}", ex.Message);
}
finally
{
// Console.WriteLine("Press any key to delete the sample files and example container.");
Console.ReadLine();
// Clean up resources. This includes the container and the two temp files.
//Console.WriteLine("Deleting the container and any blobs it contains");
if (cloudBlobContainer != null)
{
// await cloudBlobContainer.DeleteIfExistsAsync();
}
File.Delete(sourceFile);
File.Delete(destinationFile);
}
}
else
{
Console.WriteLine(
"A connection string has not been defined in the system environment variables. " +
"Add a environment variable named 'storageconnectionstring' with your storage " +
"connection string as a value.");
}
}
public void RequestResultErrorCode()
{
Uri baseAddressUri = new Uri(TestBase.TargetTenantConfig.BlobServiceEndpoint);
CloudBlobClient client = new CloudBlobClient(baseAddressUri, TestBase.StorageCredentials);
CloudBlobContainer container = client.GetContainerReference(Guid.NewGuid().ToString("N"));
byte[] buffer = TestBase.GetRandomBuffer(4 * 1024 * 1024);
MD5 md5 = MD5.Create();
string contentMD5 = Convert.ToBase64String(md5.ComputeHash(buffer));
try
{
RequestResult requestResult;
XmlWriterSettings settings;
StringBuilder sb;
container.Create();
CloudBlockBlob blob = container.GetBlockBlobReference("blob1");
List <string> blocks = new List <string>();
for (int i = 0; i < 2; i++)
{
blocks.Add(Convert.ToBase64String(Guid.NewGuid().ToByteArray()));
}
// Verify the ErrorCode property is set and that it is serialized correctly
using (MemoryStream memoryStream = new MemoryStream(buffer))
{
memoryStream.Seek(0, SeekOrigin.Begin);
blob.PutBlock(blocks[0], memoryStream, contentMD5);
int offset = buffer.Length - 1024;
memoryStream.Seek(offset, SeekOrigin.Begin);
StorageException e = TestHelper.ExpectedException <StorageException>(
() => blob.PutBlock(blocks[1], memoryStream, contentMD5),
"Invalid MD5 should fail with mismatch");
Assert.AreEqual(e.RequestInformation.ErrorCode, StorageErrorCodeStrings.Md5Mismatch);
requestResult = new RequestResult();
settings = new XmlWriterSettings();
settings.Indent = true;
sb = new StringBuilder();
using (XmlWriter writer = XmlWriter.Create(sb, settings))
{
e.RequestInformation.WriteXml(writer);
}
using (XmlReader reader = XmlReader.Create(new StringReader(sb.ToString())))
{
requestResult.ReadXml(reader);
}
// ExtendedErrorInformation.ErrorCode will be depricated, but it should still match on a non HEAD request
Assert.AreEqual(e.RequestInformation.ErrorCode, requestResult.ErrorCode);
Assert.AreEqual(e.RequestInformation.ExtendedErrorInformation.ErrorCode, requestResult.ErrorCode);
}
// Verify the ErrorCode property is set on a HEAD request
CloudAppendBlob blob2 = container.GetAppendBlobReference("blob2");
blob2.CreateOrReplace();
StorageException e2 = TestHelper.ExpectedException <StorageException>(
() => blob2.FetchAttributes(AccessCondition.GenerateIfMatchCondition("garbage")),
"Mismatched etag should fail");
Assert.AreEqual(e2.RequestInformation.ErrorCode, StorageErrorCodeStrings.ConditionNotMet);
// Verify the ErrorCode property is not set on a successful request and that it is serialized correctly
OperationContext ctx = new OperationContext();
blob2.FetchAttributes(operationContext: ctx);
Assert.AreEqual(ctx.RequestResults[0].ErrorCode, null);
requestResult = new RequestResult();
settings = new XmlWriterSettings();
settings.Indent = true;
sb = new StringBuilder();
using (XmlWriter writer = XmlWriter.Create(sb, settings))
{
ctx.RequestResults[0].WriteXml(writer);
}
using (XmlReader reader = XmlReader.Create(new StringReader(sb.ToString())))
{
requestResult.ReadXml(reader);
}
Assert.AreEqual(ctx.RequestResults[0].ErrorCode, requestResult.ErrorCode);
}
finally
{
container.DeleteIfExists();
}
}