protected void btnSend_Click(object sender, EventArgs e)
{
EventHubClient ehClient = EventHubClient.CreateWithManagedIdentity(new Uri($"sb://{txtNamespace.Text}.servicebus.windows.net/"), txtEventHub.Text);
ehClient.SendAsync(new EventData(Encoding.UTF8.GetBytes(txtData.Text))).GetAwaiter().GetResult();
txtOutput.Text = $"{DateTime.Now} - SENT{Environment.NewLine}" + txtOutput.Text;
ehClient.Close();
}
protected void btnReceive_Click(object sender, EventArgs e)
{
EventHubClient ehClient = EventHubClient.CreateWithManagedIdentity(new Uri($"sb://{txtNamespace.Text}.servicebus.windows.net/"), txtEventHub.Text);
int partitions = int.Parse(txtPartitions.Text);
string[] lastOffsets = new string[partitions];
if (!string.IsNullOrEmpty(hiddenStartingOffset.Value))
{
lastOffsets = hiddenStartingOffset.Value.Split(',');
}
var totalReceived = 0;
Parallel.ForEach(Enumerable.Range(0, int.Parse(txtPartitions.Text)), partitionId =>
{
var receiver = ehClient.CreateReceiver(PartitionReceiver.DefaultConsumerGroupName, $"{partitionId}", lastOffsets[partitionId] == null ? EventPosition.FromStart() : EventPosition.FromOffset(lastOffsets[partitionId]));
var messages = receiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(15)).GetAwaiter().GetResult();
if (messages != null)
{
foreach (var message in messages)
{
txtOutput.Text = $"{DateTime.Now} - RECEIVED PartitionId: {partitionId} Seq#:{message.SystemProperties.SequenceNumber} data:{Encoding.UTF8.GetString(message.Body.Array)}{Environment.NewLine}" + txtOutput.Text;
lastOffsets[partitionId] = message.SystemProperties.Offset;
}
Interlocked.Add(ref totalReceived, messages.Count());
}
receiver.Close();
});
txtOutput.Text = $"{DateTime.Now} - RECEIVED TOTAL = {totalReceived}{Environment.NewLine}" + txtOutput.Text;
if (totalReceived > 0)
{
hiddenStartingOffset.Value = string.Join(",", lastOffsets);
}
ehClient.Close();
}
public async Task CreateWithManagedIdentity()
{
await using var scope = await EventHubScope.CreateAsync(1);
#region Snippet:EventHubs_Migrate_T1_ManagedIdentity
var fullyQualifiedNamespace = "<< NAMESPACE (likely similar to {your-namespace}.servicebus.windows.net) >>";
var eventHubName = "<< NAME OF THE EVENT HUB >>";
/*@@*/
/*@@*/ fullyQualifiedNamespace = new EventHubsConnectionStringBuilder(TestUtility.EventHubsConnectionString).Endpoint.ToString();
/*@@*/ eventHubName = scope.EventHubName;
EventHubClient client = EventHubClient.CreateWithManagedIdentity(
new Uri(fullyQualifiedNamespace),
eventHubName);
#endregion
client.Close();
}
static async Task ManagedIdentityScenarioAsync()
{
var ehClient = EventHubClient.CreateWithManagedIdentity(new Uri($"sb://{EventHubNamespace}/"), EventHubName);
await SendReceiveAsync(ehClient);
}
private static void Initialize()
{
_eventHubClient = EventHubClient.CreateWithManagedIdentity(new Uri(_hostName), _entityPath);
}
