public void ListQueues(string queuePrefix, Action<CloudOperationResponse<IEnumerable<ICloudQueue>>> callback)
{
var serviceOperation = string.Concat(this.queueBaseUri, "?comp=list");
if (!string.IsNullOrWhiteSpace(queuePrefix))
{
serviceOperation = string.Concat(serviceOperation, "&prefix=", queuePrefix);
}
// Adding an incremental seed to avoid a cached response.
serviceOperation = string.Concat(serviceOperation, "&incrementalSeed=", DateTime.UtcNow.Ticks);
var request = (HttpWebRequest)WebRequestCreator.ClientHttp.Create(new Uri(serviceOperation));
request.Headers["x-ms-version"] = "2009-09-19";
request.Method = "GET";
this.StorageCredentials.SignRequest(request, -1);
request.BeginGetResponse(
ar =>
{
try
{
var response = (HttpWebResponse)request.EndGetResponse(ar);
var serializer = new QueueDataContractSerializer(this.StorageCredentials);
var results = serializer.ReadObject(response.GetResponseStream());
callback(new CloudOperationResponse<IEnumerable<ICloudQueue>>((results != null) ? results.ToArray() : new CloudQueue[0], null));
}
catch (Exception exception)
{
callback(new CloudOperationResponse<IEnumerable<ICloudQueue>>(null, StorageClientExceptionParser.ParseXmlWebException(exception as WebException) ?? exception));
}
},
null);
}
public void Exists(Action<CloudOperationResponse<bool>> callback)
{
var serviceOperation = string.Format(CultureInfo.InvariantCulture, "{0}?comp=list&prefix={1}", this.BaseUri, this.Name);
// Adding an incremental seed to avoid a cached response.
serviceOperation = string.Concat(serviceOperation, "&incrementalSeed=", DateTime.UtcNow.Ticks);
var request = (HttpWebRequest)WebRequestCreator.ClientHttp.Create(new Uri(serviceOperation));
request.Headers["x-ms-version"] = "2009-09-19";
request.Method = "GET";
this.StorageCredentials.SignRequest(request, -1);
request.BeginGetResponse(
ar =>
{
try
{
var response = (HttpWebResponse)request.EndGetResponse(ar);
var serializer = new QueueDataContractSerializer(this.StorageCredentials);
var queues = serializer.ReadObject(response.GetResponseStream());
var result = queues.SingleOrDefault(q => q.Name.Equals(this.Name));
callback(new CloudOperationResponse<bool>(result != null, null));
}
catch (Exception exception)
{
callback(new CloudOperationResponse<bool>(false, StorageClientExceptionParser.ParseXmlWebException(exception as WebException) ?? exception));
}
},
null);
}