public string StartTopicImport(string uid, MqttImportTopicParameters parameters)
{
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
if (string.IsNullOrEmpty(uid))
{
uid = Guid.NewGuid().ToString("D");
}
var importer = new MqttTopicImporter(parameters, this, _logger);
importer.Start();
lock (_importers)
{
if (_importers.TryGetValue(uid, out var existingImporter))
{
existingImporter.Stop();
}
_importers[uid] = importer;
}
_logger.Log(LogLevel.Information, "Started importer '{0}' for topic '{1}' from server '{2}'.", uid, parameters.Topic, parameters.Server);
return(uid);
}
public async Task <string> StartTopicImport(string uid, MqttImportTopicParameters parameters)
{
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
if (string.IsNullOrEmpty(uid))
{
uid = Guid.NewGuid().ToString("D");
}
var importer = new MqttTopicImporter(parameters, _mqttService, _logger);
await importer.Start().ConfigureAwait(false);
await _importersLock.EnterAsync().ConfigureAwait(false);
try
{
if (_importers.TryGetValue(uid, out var existingImporter))
{
await existingImporter.Stop().ConfigureAwait(false);
}
_importers[uid] = importer;
}
finally
{
_importersLock.Exit();
}
_logger.Log(LogLevel.Information, "Started importer '{0}' for topic '{1}' from server '{2}'.", uid, parameters.Topic, parameters.Server);
return(uid);
}
