/// <summary>
/// Lists the queues within the account.
/// </summary>
/// <returns>A list of queues</returns>
private ListQueueResult ListQueuesImpl(string prefix, string marker, int maxResult)
{
ListQueueResult result = null;
RetryPolicy(() =>
{
NameValueCollection col = new NameValueCollection();
col.Add(StorageHttpConstants.QueryParams.QueryParamComp, StorageHttpConstants.CompConstants.List);
if (!string.IsNullOrEmpty(prefix))
{
col.Add(StorageHttpConstants.QueryParams.QueryParamPrefix, prefix);
}
if (!string.IsNullOrEmpty(marker))
{
col.Add(StorageHttpConstants.QueryParams.QueryParamMarker, marker);
}
col.Add(StorageHttpConstants.QueryParams.QueryParamMaxResults, maxResult.ToString(CultureInfo.InvariantCulture));
ResourceUriComponents uriComponents;
Uri uri = Utilities.CreateRequestUri(
AccountInfo.BaseUri,
AccountInfo.UsePathStyleUris,
AccountInfo.AccountName,
null,
null,
Timeout,
col,
out uriComponents
);
HttpWebRequest request = Utilities.CreateHttpRequest(uri, StorageHttpConstants.HttpMethod.Get, Timeout);
_credentials.SignRequest(request, uriComponents);
try
{
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
if (response.StatusCode == HttpStatusCode.OK)
{
using (Stream stream = response.GetResponseStream())
{
result = GetQueuesFromResponse(stream);
stream.Close();
}
}
else
{
Utilities.ProcessUnexpectedStatusCode(response);
}
response.Close();
}
}
catch (WebException we)
{
throw Utilities.TranslateWebException(we);
}
});
return(result);
}
public override bool CreateQueue(out bool queueAlreadyExists)
{
bool result = false;
queueAlreadyExists = false;
// cannot use ref or out parameters in the retry expression below
bool exists = false;
RetryPolicy(() =>
{
ResourceUriComponents uriComponents;
Uri uri = CreateRequestUri(null, new NameValueCollection(), false, out uriComponents);
HttpWebRequest request = CreateHttpRequest(uri, StorageHttpConstants.HttpMethod.Put);
_credentials.SignRequest(request, uriComponents);
try
{
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
if (response.StatusCode == HttpStatusCode.Created)
{
// as an addition we could parse the result and retrieve
// queue properties at this point
exists = false;
result = true;
}
else if (response.StatusCode == HttpStatusCode.NoContent)
{
exists = true;
}
else
{
Utilities.ProcessUnexpectedStatusCode(response);
}
response.Close();
}
}
catch (WebException we)
{
if (we.Response != null &&
((HttpWebResponse)we.Response).StatusCode == HttpStatusCode.Conflict)
{
exists = true;
}
else
{
throw Utilities.TranslateWebException(we);
}
}
});
queueAlreadyExists = exists;
return(result);
}