/// <summary>
/// Request a metadata refresh from the cluster.
/// </summary>
/// <returns></returns>
private async Task EnsureHasRoutingTable()
{
RoutingTableRequired();
try
{
var timeout = TimeSpan.FromMilliseconds(_configuration.ClientRequestTimeoutMs);
var taskFetchingMetadata = _cluster.RequireNewRoutingTable();
// We are going to wait for either the task to finish, or the timeout.
// This task is blocking the entire (producer) driver, so we can not allow it to run a long
// time.
if (await(Task.WhenAny(taskFetchingMetadata, Task.Delay(timeout))) == taskFetchingMetadata)
{
// The task finished
ChangeRoutingTable(taskFetchingMetadata.Result);
}
else
{
// The Timeout finished first
_cluster.Logger.LogError(
$"Could not get routing table! The node we queried took more than {timeout.TotalSeconds} seconds to answer.");
}
}
catch (Exception ex)
{
_cluster.Logger.LogError("Could not get routing table! The Kafka cluster is probably having problems answering requests. Exception was: " + ex);
}
}
/// <summary>
/// Request a metadata refresh from the cluster.
/// </summary>
/// <returns></returns>
private async Task EnsureHasRoutingTable()
{
RoutingTableRequired();
try
{
ChangeRoutingTable(await _cluster.RequireNewRoutingTable());
}
catch (Exception ex)
{
_cluster.Logger.LogError("Could not get routing table! The Kafka cluster is probably having problems answering requests. Exception was: " + ex);
}
}
/// <summary>
/// Request a metadata refresh from the cluster.
/// </summary>
/// <returns></returns>
private async Task EnsureHasRoutingTable()
{
RoutingTableRequired();
bool hasError = false;
try
{
ChangeRoutingTable(await _cluster.RequireNewRoutingTable());
}
catch
{
hasError = true;
}
if (hasError)
{
await Task.Delay(_resolution /* == 1000 * (_resolution / 1000) == */);
}
}
