| public UploadByteArray ( byte content ) : void | ||
| content | byte | The array of bytes to upload. |
| return | void | |
public AutoRenewLease(CloudBlob blob)
{
this.blob = blob;
blob.Container.CreateIfNotExist();
try
{
blob.UploadByteArray(new byte[0], new BlobRequestOptions { AccessCondition = AccessCondition.IfNoneMatch("*") });
}
catch (StorageClientException e)
{
if (e.ErrorCode != StorageErrorCode.BlobAlreadyExists
&& e.StatusCode != HttpStatusCode.PreconditionFailed) // 412 from trying to modify a blob that's leased
{
throw;
}
}
leaseId = blob.TryAcquireLease();
if (HasLease)
{
renewalThread = new Thread(() =>
{
Thread.Sleep(TimeSpan.FromSeconds(40));
blob.RenewLease(leaseId);
});
renewalThread.Start();
}
}
// The mutex must already exists
public Mutex(CloudBlobContainer container, string mutexName, Exception e)
{
blob = container.GetBlobReference(mutexName);
byte[] b1 = { 1 };
BlobRequestOptions requestOpt = new BlobRequestOptions();
bool keepGoing = true;
string oldEtag = "";
int lastChange = 0;
do
{
byte[] b;
string eTag;
try
{
blob.FetchAttributes();
eTag = blob.Attributes.Properties.ETag;
if (eTag != oldEtag)
{
lastChange = Environment.TickCount;
oldEtag = eTag;
}
b = blob.DownloadByteArray();
}
catch (Exception)
{
throw e;
}
requestOpt.AccessCondition = AccessCondition.IfMatch(eTag);
if (b[0] == 0 || Environment.TickCount - lastChange > 3000) // on ne peut garder un lock plus de 3 s
{
try
{
blob.UploadByteArray(b1, requestOpt);
keepGoing = false;
}
catch (StorageClientException ex)
{
if (ex.ErrorCode != StorageErrorCode.ConditionFailed)
throw;
}
}
else
Thread.Sleep(50); // constante arbitraire
} while (keepGoing);
}
public void SetUp()
{
blobSettings = new LeaseBlockBlobSettings
{
ConnectionString = "UseDevelopmentStorage=true",
ContainerName = "test" + Guid.NewGuid().ToString("N"),
BlobPath = "lease.blob",
ReAquirePreviousTestLease = false,
RetryCount = 2,
RetryInterval = TimeSpan.FromMilliseconds(250)
};
maximumStopDurationEstimateSeconds = 10;
var storageAccount = CloudStorageAccount.Parse("UseDevelopmentStorage=true");
var client = storageAccount.CreateCloudBlobClient();
container = client.GetContainerReference(blobSettings.ContainerName);
container.CreateIfNotExist();
leaseBlob = container.GetBlobReference(blobSettings.BlobPath);
leaseBlob.UploadByteArray(new byte[0]);
}
public AutoRenewLease(ILoggerFactory loggerFactory, LoggerLevel logLevel, CloudBlob blob, int renewLeaseSeconds = 40, int leaseLengthSeconds = 90)
{
_logger = loggerFactory.Create(GetType(), logLevel);
var autoRenewLease = this;
_blob = blob;
blob.Container.CreateIfNotExist();
try
{
blob.UploadByteArray(new byte[0], new BlobRequestOptions { AccessCondition = AccessCondition.IfNoneMatch("*")});
}
catch (StorageClientException ex)
{
if (ex.ErrorCode != StorageErrorCode.BlobAlreadyExists)
{
if (ex.StatusCode != HttpStatusCode.PreconditionFailed)
throw;
}
}
LeaseId = blob.TryAcquireLease(leaseLengthSeconds);
if (!HasLease)
return;
_cancellationTokenSource = new CancellationTokenSource();
_resetEvent = new ManualResetEvent(false);
Task.Factory.StartNew(() =>
{
try
{
while (true)
{
_resetEvent.WaitOne(TimeSpan.FromSeconds(renewLeaseSeconds));
if (_cancellationTokenSource.IsCancellationRequested)
break;
blob.RenewLease(autoRenewLease.LeaseId);
}
}
catch (Exception e)
{
LeaseId = null; // Release the lease
_logger.Error("Error renewing blob lease", e);
}
}, _cancellationTokenSource.Token);
}
public static AutoRenewLease GetOrThrow(CloudBlob blob)
{
blob.Container.CreateIfNotExist();
// Create lock blob
try
{
var requestOptions = new BlobRequestOptions
{
AccessCondition = AccessCondition.IfNoneMatch("*")
};
blob.UploadByteArray(new byte[0], requestOptions);
}
catch (StorageClientException e)
{
if (e.ErrorCode != StorageErrorCode.BlobAlreadyExists
&& e.StatusCode != HttpStatusCode.PreconditionFailed)
// 412 from trying to modify a blob that's leased
{
throw;
}
}
string leaseId = null;
var ex = DoUntilTrue(Try4Times, CancellationToken.None, () =>
{
leaseId = AcquireLease(blob);
return !String.IsNullOrEmpty(leaseId);
});
if (ex != null)
throw new InvalidOperationException("Failed to get lease", ex);
// Either we get lease or throw timeout exception
if (String.IsNullOrEmpty(leaseId))
throw new InvalidOperationException();
return new AutoRenewLease(blob, leaseId);
}
public override void Run()
{
// This is a sample worker implementation. Replace with your logic.
Trace.WriteLine("$projectname$ entry point called", "Information");
while (true)
{
if (q.Exists())
{
q.RetrieveApproximateMessageCount();
if (q.ApproximateMessageCount > 0)
{
Trace.WriteLine("Working", "Information");
var message = q.GetMessage();
q.DeleteMessage(message);
var request = message.AsString;
var parts = request.Split('|');
string ICD9Code = parts[0];
DateTime starttime = new DateTime(long.Parse(parts[1]));
DateTime endtime = new DateTime(long.Parse(parts[2]));
string OperationID = parts[3];
try
{
IQueryable<AilmentDetails> data = (from i in tableContext.CreateQuery<AilmentDetails>("PatientDetails") where i.PartitionKey == "AilmentDetails" && i.DiagnosisID == ICD9Code select i).AsQueryable<AilmentDetails>();
if (data.AsEnumerable<AilmentDetails>().Any<AilmentDetails>())
{
foreach (AilmentDetails x in data)
{
if (DateTime.Compare(x.TimeIn, starttime) >= 0 && DateTime.Compare(x.TimeIn, endtime) <= 0)
{
string searchHospital = x.Hospital;
IQueryable<HospitalBasicDetails> data2 = (from i in tableContext.CreateQuery<HospitalBasicDetails>("DoctorDetails") where i.PartitionKey == "HospitalBasicDetails" select i).AsQueryable<HospitalBasicDetails>();
if (data2.AsEnumerable<HospitalBasicDetails>().Any<HospitalBasicDetails>())
{
HospitalBasicDetails z = new HospitalBasicDetails();
var y = (from HospitalBasicDetails i in data2 where i.HospitalID == searchHospital select i).FirstOrDefault<HospitalBasicDetails>() as HospitalBasicDetails;
if (y != null)
{
ICD9MapPlotResultEntry temp = new ICD9MapPlotResultEntry();
temp.Latitude = y.Latitude;
temp.Longitude = y.Longitude;
temp.Time = x.TimeIn;
rows.Add(temp);
}
}
}
}
}
var serializer = new XmlSerializer(typeof(List<ICD9MapPlotResultEntry>));
var stringBuilder = new StringBuilder();
XmlWriter writer = XmlWriter.Create(stringBuilder);
serializer.Serialize(writer, rows);
Encoding encoding = Encoding.Default;
blob = container.GetBlobReference(OperationID + ".xml");
blob.UploadByteArray(encoding.GetBytes(stringBuilder.ToString()));
var resultrecord = new ICD9MapPlotResult(ICD9Code, OperationID);
resultrecord.SearchTimeStart = starttime;
resultrecord.SearchTimeEnd = endtime;
resultrecord.ResultURL = blob.Uri.ToString();
tableContext.AddObject("ICD9MapPlotResult", resultrecord);
tableContext.SaveChanges();
}
catch (Exception e)
{
Trace.WriteLine(e.Message, "Error");
}
}
}
Thread.Sleep(10000);
}
}
