private static async Task <int> FetchNumberOfNodesAsync(IRabbitMQApi api)
{
var response = await api.GetOverviewAsync();
if (!response.IsSuccessStatusCode)
{
throw new CliException(DefaultErrorMessage +
$"{ response.StatusCode } - { response.ReasonPhrase}.");
}
JObject json = JObject.Parse(response.Content);
var nodes = json.SelectTokens("$.listeners[?(@.protocol == 'amqp')]");
var numberOfNodes = nodes?.Count();
if (numberOfNodes == null)
{
throw new CliException(DefaultErrorMessage +
"Could not fetch number of nodes in this cluster.");
}
if (numberOfNodes == 0)
{
throw new CliException(DefaultErrorMessage +
"No node is listening to amqp comunication in this cluster.");
}
return(numberOfNodes.Value);
}
private static async Task <string> PrepareBodyAsync(IRabbitMQApi api, string pattern)
{
var nodes = await FetchNumberOfNodesAsync(api);
var mirrors = CalculateNumberOfMirrors(nodes);
return(BuildPayload(mirrors, pattern));
}
public MessagesController(IRabbitMQApi rabbitMqApi)
{
_rabbitMqApi = rabbitMqApi;
}
