private async Task OnChannelActivated()
{
try
{
//Step 1 - read nodes and stats from db
AddPersistedNodes();
//Step 2 - initialize bootNodes
if (_logger.IsDebug)
{
_logger.Debug("Initializing bootnodes.");
}
while (true)
{
if (await InitializeBootnodes())
{
break;
}
_logger.Warn("Could not communicate with any bootnodes.");
//Check if we were able to communicate with any trusted nodes or persisted nodes
//if so no need to replay bootstraping, we can start discovery process
if (_discoveryManager.GetNodeLifecycleManagers(x => x.State == NodeLifecycleState.Active).Any())
{
break;
}
_logger.Warn("Could not communicate with any nodes.");
await Task.Delay(1000);
}
InitializeDiscoveryPersistanceTimer();
InitializeDiscoveryTimer();
await RunDiscoveryAsync();
}
catch (Exception e)
{
_logger.Error("Error during discovery initialization", e);
}
}
private void RunDiscoveryCommit()
{
try
{
IReadOnlyCollection <INodeLifecycleManager> managers = _discoveryManager.GetNodeLifecycleManagers();
//we need to update all notes to update reputation
_discoveryStorage.UpdateNodes(managers.Select(x => new NetworkNode(x.ManagedNode.Id, x.ManagedNode.Host, x.ManagedNode.Port, x.NodeStats.NewPersistedNodeReputation)).ToArray());
if (!_discoveryStorage.AnyPendingChange())
{
if (_logger.IsTrace)
{
_logger.Trace("No changes in discovery storage, skipping commit.");
}
return;
}
_storageCommitTask = Task.Run(() =>
{
_discoveryStorage.Commit();
_discoveryStorage.StartBatch();
});
Task task = _storageCommitTask.ContinueWith(x =>
{
if (x.IsFaulted && _logger.IsError)
{
_logger.Error($"Error during discovery commit: {x.Exception}");
}
});
task.Wait();
_storageCommitTask = null;
}
catch (Exception ex)
{
_logger.Error($"Error during discovery commit: {ex}");
}
}