private async Task OnChannelActivated(CancellationToken cancellationToken)
{
try
{
//Step 1 - read nodes and stats from db
AddPersistedNodes(cancellationToken);
//Step 2 - initialize bootnodes
if (_logger.IsDebug)
{
_logger.Debug("Initializing bootnodes.");
}
while (true)
{
if (cancellationToken.IsCancellationRequested)
{
break;
}
if (await InitializeBootnodes(cancellationToken))
{
break;
}
//Check if we were able to communicate with any trusted nodes or persisted nodes
//if so no need to replay bootstrapping, we can start discovery process
if (_discoveryManager.GetOrAddNodeLifecycleManagers(x => x.State == NodeLifecycleState.Active).Any())
{
break;
}
_logger.Warn("Could not communicate with any nodes (bootnodes, trusted nodes, persisted nodes).");
await Task.Delay(1000, cancellationToken);
}
if (cancellationToken.IsCancellationRequested)
{
return;
}
InitializeDiscoveryPersistenceTimer();
InitializeDiscoveryTimer();
await RunDiscoveryAsync(cancellationToken).ContinueWith(
t =>
{
if (t.IsFaulted)
{
_logger.Error("Discovery error", t.Exception);
}
});
}
catch (Exception e)
{
if (_logger.IsDebug)
{
_logger.Error("DEBUG/ERROR Error during discovery initialization", e);
}
}
}