/// <inheritdoc/>
public async Task KeepAliveAsync(IEnumerable <Message> messages, TimeSpan?timeToLive = null, CancellationToken cancellationToken = default)
{
var response = await _client.ChangeMessageVisibilityBatchAsync(new ChangeMessageVisibilityBatchRequest
{
QueueUrl = await GetQueueUrl().ConfigureAwait(false),
Entries = messages.Select(m => new ChangeMessageVisibilityBatchRequestEntry
{
Id = m.Id,
ReceiptHandle = (string)m.SystemProperties[ReceiptHandleProperty],
VisibilityTimeout = timeToLive.HasValue ? (int)timeToLive.Value.TotalSeconds : 60 * 3
}).ToList()
}, cancellationToken).ConfigureAwait(false);
}
public async Task ChangeMessageVisibilityBatch()
{
// Create service client using the SDK's default logic for determining AWS credentials and region to use.
// For information configuring service clients checkout the .NET developer guide: https://docs.aws.amazon.com/sdk-for-net/v3/developer-guide/net-dg-config.html
AmazonSQSClient client = new AmazonSQSClient();
string queueUrl = "SQS_QUEUE_URL";
var receiveMessageRequest = new ReceiveMessageRequest
{
AttributeNames = { "SentTimestamp" },
MaxNumberOfMessages = 5,
MessageAttributeNames = { "All" },
QueueUrl = queueUrl
};
var receiveMessageResponse = await client.ReceiveMessageAsync(receiveMessageRequest);
List <ChangeMessageVisibilityBatchRequestEntry> entries = new List <ChangeMessageVisibilityBatchRequestEntry>();
foreach (var message in receiveMessageResponse.Messages)
{
entries.Add(new ChangeMessageVisibilityBatchRequestEntry
{
Id = message.MessageId,
ReceiptHandle = message.ReceiptHandle,
VisibilityTimeout = 36000, // 10 hour timeout
});
}
var changeMessageVisibilityBatchResponse = await client.ChangeMessageVisibilityBatchAsync(new ChangeMessageVisibilityBatchRequest
{
QueueUrl = queueUrl,
Entries = entries
});
Console.WriteLine("Messages successfully changed:");
foreach (var success in changeMessageVisibilityBatchResponse.Successful)
{
Console.WriteLine(" Message id : {0}", success.Id);
}
Console.WriteLine("Messages failed to change:");
foreach (var failed in changeMessageVisibilityBatchResponse.Failed)
{
Console.WriteLine(" Message id : {0}", failed.Id);
Console.WriteLine(" Sender's fault? : {0}", failed.SenderFault);
}
}