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Azure queue concurrency safe testing
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using System; | |
using System.Collections.Generic; | |
using System.Linq; | |
using System.Threading.Tasks; | |
using Microsoft.WindowsAzure.Storage; | |
using Microsoft.WindowsAzure.Storage.Queue; | |
namespace AzureQueue.ConcurrencySafeTesting | |
{ | |
class Program | |
{ | |
static void Main(string[] args) | |
{ | |
var storageAccount = CloudStorageAccount.DevelopmentStorageAccount; | |
var queueClient = storageAccount.CreateCloudQueueClient(); | |
var queue = queueClient.GetQueueReference("concurrency-testing-queue"); | |
queue.CreateIfNotExists(); | |
Parallel.For(0, 1000, index => | |
{ | |
queue.AddMessage(new CloudQueueMessage(index.ToString())); | |
}); | |
var messageCount = | |
Enumerable.Range(0, 8) | |
.Select(index => CountMessages(queue)) | |
.AsParallel() | |
.Aggregate(0, (sum, count) => sum + count); | |
Console.WriteLine("Received messages count: {0}", messageCount); | |
} | |
private static int CountMessages(CloudQueue queue) | |
{ | |
var hashset = new HashSet<int>(); | |
var emptyQueue = false; | |
while (emptyQueue != true) | |
{ | |
emptyQueue = true; | |
foreach (var message in queue.GetMessages(CloudQueueMessage.MaxNumberOfMessagesToPeek)) | |
{ | |
hashset.Add(int.Parse(message.AsString)); | |
queue.DeleteMessage(message); | |
emptyQueue = false; | |
} | |
} | |
return hashset.Count; | |
} | |
} | |
} |
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