protected override IEnumerator <IAsyncResult> GetMessagesImpl(IAccountIdentifier identity, string account, string queue, int numMessages, long?visibilityTimeout, TimeSpan?timeout, RequestContext requestContext, AsyncIteratorContext <IEnumerable <PoppedMessage> > context)
{
object obj;
this.ValidateNumMessages(numMessages, this.config.MaxMessagesToReturn);
RemainingTime remainingTime = new RemainingTime(timeout);
SASAuthorizationParameters sASAuthorizationParameter = new SASAuthorizationParameters()
{
SupportedSasTypes = SasType.ResourceSas | SasType.AccountSas,
SignedResourceType = SasResourceType.Object,
SignedPermission = SASPermission.Process
};
SASAuthorizationParameters sASAuthorizationParameter1 = sASAuthorizationParameter;
IAsyncResult asyncResult = this.BeginGetQueue(identity, account, queue, PermissionLevel.ReadDelete, sASAuthorizationParameter1, remainingTime, requestContext, context.GetResumeCallback(), context.GetResumeState("QueueManager.GetMessagesImpl"));
yield return(asyncResult);
IQueueContainer operationStatus = this.EndGetQueue(asyncResult);
if (requestContext != null)
{
operationStatus.OperationStatus = requestContext.OperationStatus;
}
long?nullable = visibilityTimeout;
obj = (nullable.HasValue ? nullable.GetValueOrDefault() : this.config.DefaultVisibilityTimeoutSeconds);
TimeSpan timeSpan = TimeSpan.FromSeconds((double)obj);
operationStatus.Timeout = remainingTime;
asyncResult = operationStatus.BeginGetMessage(numMessages, timeSpan, context.GetResumeCallback(), context.GetResumeState("QueueManager.GetMessagesImpl"));
yield return(asyncResult);
IEnumerable <IMessageData> messageDatas = operationStatus.EndGetMessage(asyncResult);
StringBuilder stringBuilder = new StringBuilder();
context.ResultData = this.WrapGetMessageResults(messageDatas);
int num = 0;
foreach (PoppedMessage resultDatum in context.ResultData)
{
stringBuilder.Append(string.Format("[{0}],", resultDatum.ToString()));
num++;
}
IStringDataEventStream verboseDebug = Logger <IRestProtocolHeadLogger> .Instance.VerboseDebug;
object[] str = new object[] { num, stringBuilder.ToString() };
verboseDebug.Log("GetMessages response: Count={0} Messages={1}", str);
}