internal void LongPollSqs(SqsPollingClientSettings settings)
{
var failCounter = 0;
while (true)
{
IEnumerable <SqsMessage> messages;
try {
messages = _container._client.ReceiveMessages(settings.QueueName, settings.LongPollInterval, settings.MaxNumberOfMessages);
failCounter = 0;
} catch (Exception e) {
LogError(e, string.Format("ReceiveMessages (fail count: {0:#,##0})", ++failCounter));
AsyncUtil.Sleep(settings.WaitTimeOnError);
continue;
}
if (_isDisposed)
{
break;
}
if (messages.None())
{
continue;
}
try {
settings.Callback(messages);
} catch (Exception e) {
LogError(e, "callback failed");
}
}
}
//--- Methods ---
/// <summary>
/// Start listening for SQS messages with the provided settings.
/// </summary>
/// <param name="settings">Polling settings.</param>
/// <returns>Object to dispose listener when no longer needed.</returns>
public IDisposable Listen(SqsPollingClientSettings settings)
{
if(settings == null) {
throw new ArgumentNullException("settings");
}
var listener = new Listener(this);
lock(_listeners) {
_listeners.Add(listener);
}
AsyncUtil.Fork(() => listener.LongPollSqs(settings));
return listener;
}
//--- Methods ---
/// <summary>
/// Start listening for SQS messages with the provided settings.
/// </summary>
/// <param name="settings">Polling settings.</param>
/// <returns>Object to dispose listener when no longer needed.</returns>
public IDisposable Listen(SqsPollingClientSettings settings)
{
if (settings == null)
{
throw new ArgumentNullException("settings");
}
var listener = new Listener(this);
lock (_listeners) {
_listeners.Add(listener);
}
AsyncUtil.Fork(() => listener.LongPollSqs(settings));
return(listener);
}
internal void LongPollSqs(SqsPollingClientSettings settings)
{
var failCounter = 0;
while(true) {
IEnumerable<SqsMessage> messages;
try {
messages = _container._client.ReceiveMessages(settings.QueueName, settings.LongPollInterval, settings.MaxNumberOfMessages);
failCounter = 0;
} catch(Exception e) {
LogError(e, string.Format("ReceiveMessages (fail count: {0:#,##0})", ++failCounter));
AsyncUtil.Sleep(settings.WaitTimeOnError);
continue;
}
if(_isDisposed) {
break;
}
if(messages.None()) {
continue;
}
try {
settings.Callback(messages);
} catch(Exception e) {
LogError(e, "callback failed");
}
}
}
