public void Listening(TimeSpan timeout, CancellationToken cancellationToken)
{
Connect();
var request = new ReceiveMessageRequest(_queueUrl)
{
WaitTimeSeconds = 5,
MaxNumberOfMessages = 1
};
while (true)
{
var response = _sqsClient !.ReceiveMessageAsync(request, cancellationToken).GetAwaiter().GetResult();
if (response.Messages.Count == 1)
{
var messageObj = JsonSerializer.Deserialize <SQSReceivedMessage>(response.Messages[0].Body);
var header = messageObj !.MessageAttributes.ToDictionary(x => x.Key, x => x.Value.Value);
var body = messageObj.Message;
var message = new TransportMessage(header, body != null ? Encoding.UTF8.GetBytes(body) : null);
message.Headers.Add(Headers.Group, _groupId);
OnMessageReceived?.Invoke(response.Messages[0].ReceiptHandle, message);
}
else
{
cancellationToken.ThrowIfCancellationRequested();
cancellationToken.WaitHandle.WaitOne(timeout);
}
}
}