private void UpdateSnapshot(IReadOnlyList <ProxyRoute> routes, IReadOnlyList <Cluster> clusters)
{
// Prevent overlapping updates
lock (_lockObject)
{
using var oldToken = _changeToken;
_changeToken = new CancellationTokenSource();
_snapshot = new ConfigurationSnapshot()
{
Routes = routes,
Clusters = clusters,
ChangeToken = new CancellationChangeToken(_changeToken.Token)
};
try
{
oldToken?.Cancel(throwOnFirstException: false);
}
catch (Exception ex)
{
Log.ErrorSignalingChange(_logger, ex);
}
}
_initalConfigLoadTcs.TrySetResult(0);
}
private void UpdateSnapshot()
{
// Prevent overlapping updates, especially on startup.
lock (_lockObject)
{
Log.LoadData(_logger);
ConfigurationSnapshot newSnapshot;
try
{
newSnapshot = new ConfigurationSnapshot();
foreach (var section in _configuration.GetSection("Clusters").GetChildren())
{
newSnapshot.Clusters.Add(CreateCluster(section));
}
foreach (var section in _configuration.GetSection("Routes").GetChildren())
{
newSnapshot.Routes.Add(CreateRoute(section));
}
}
catch (Exception ex)
{
Log.ConfigurationDataConversionFailed(_logger, ex);
// Re-throw on the first time load to prevent app from starting.
if (_snapshot == null)
{
throw;
}
return;
}
var oldToken = _changeToken;
_changeToken = new CancellationTokenSource();
newSnapshot.ChangeToken = new CancellationChangeToken(_changeToken.Token);
_snapshot = newSnapshot;
try
{
oldToken?.Cancel(throwOnFirstException: false);
}
catch (Exception ex)
{
Log.ErrorSignalingChange(_logger, ex);
}
}
}
