private List <PingItem> FetchMessages(int maximumMessagesToFetch)
{
string queueName = RoleEnvironment.GetConfigurationSettingValue("ProcessQueueName");
CloudQueue queue = storageAccount.CreateCloudQueueClient().GetQueueReference(queueName);
var messages = queue.GetMessages(maximumMessagesToFetch);
List <PingItem> itemsToBeProcessed = new List <PingItem>();
foreach (var message in messages)
{
itemsToBeProcessed.Add(PingItem.ParseFromString(message.AsString));
queue.DeleteMessage(message);
}
return(itemsToBeProcessed);
}
private PingResult FetchUrl(PingItem item)
{
DateTime startDateTime = DateTime.UtcNow;
TimeSpan elapsedTime = TimeSpan.FromSeconds(0);
string statusCode = "";
long contentLength = 0;
try
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(item.Url);
req.Timeout = 30 * 1000;//Let's timeout the request in 30 seconds.
req.Method = "GET";
using (HttpWebResponse resp = (HttpWebResponse)req.GetResponse())
{
DateTime endDateTime = DateTime.UtcNow;
elapsedTime = new TimeSpan(endDateTime.Ticks - startDateTime.Ticks);
statusCode = resp.StatusCode.ToString();
contentLength = resp.ContentLength;
}
}
catch (WebException webEx)
{
DateTime endDateTime = DateTime.UtcNow;
elapsedTime = new TimeSpan(endDateTime.Ticks - startDateTime.Ticks);
statusCode = webEx.Status.ToString();
}
return(new PingResult()
{
PartitionKey = DateTime.UtcNow.Ticks.ToString("d19"),
RowKey = item.RowKey,
Url = item.Url,
StatusCode = statusCode,
ContentLength = contentLength,
TimeTaken = elapsedTime.TotalMilliseconds,
});
}