public override async Task OnConnectedAsync(HubConnectionContext connection)
{
await EnsureStreamSetup();
try
{
_connections.Add(connection);
var client = _clusterClientProvider.GetClient().GetClientGrain(_hubName, connection.ConnectionId);
await client.OnConnect(_serverId);
_logger.LogInformation("Connected {connectionId} on hub {hubName} with userId {userId} (serverId: {serverId})",
connection.ConnectionId, _hubName, connection.UserIdentifier, _serverId);
if (connection.User.Identity.IsAuthenticated)
{
var user = _clusterClientProvider.GetClient().GetUserGrain(_hubName, connection.UserIdentifier);
await user.Add(connection.ConnectionId);
}
}
catch (Exception ex)
{
_logger.LogError(ex, "An error has occurred 'OnConnectedAsync' while adding connection {connectionId} on hub {hubName} with userId {userId} (serverId: {serverId})",
connection?.ConnectionId, _hubName, connection?.UserIdentifier, _serverId);
_connections.Remove(connection);
throw;
}
}
/// <inheritdoc />
public override Task OnDisconnectedAsync(HubConnectionContext connection)
{
_connections.Remove(connection);
var tasks = new List <Task>();
var connectionChannel = _channels.Connection(connection.ConnectionId);
RedisLog.Unsubscribe(_logger, connectionChannel);
tasks.Add(_bus !.UnsubscribeAsync(connectionChannel));
var feature = connection.Features.Get <IRedisFeature>() !;
var groupNames = feature.Groups;
if (groupNames != null)
{
// Copy the groups to an array here because they get removed from this collection
// in RemoveFromGroupAsync
foreach (var group in groupNames.ToArray())
{
// Use RemoveGroupAsyncCore because the connection is local and we don't want to
// accidentally go to other servers with our remove request.
tasks.Add(RemoveGroupAsyncCore(connection, group));
}
}
if (!string.IsNullOrEmpty(connection.UserIdentifier))
{
tasks.Add(RemoveUserAsync(connection));
}
return(Task.WhenAll(tasks));
}
public override async Task OnDisconnectedAsync(HubConnectionContext connection)
{
await _wrappedHubLifetimeManager.OnDisconnectedAsync(connection);
_connections.Remove(connection);
await _userTracker.RemoveUser(connection.ConnectionId);
}
public override async Task OnDisconnectedAsync(HubConnectionContext connection)
{
try
{
_logger.LogDebug("Handle disconnection {connectionId} on hub {hubName} (serverId: {serverId})",
connection.ConnectionId, _hubName, _serverId);
var client = _clusterClientProvider.GetClient().GetClientGrain(_hubName, connection.ConnectionId);
await client.OnDisconnect("hub-disconnect");
}
finally
{
_connections.Remove(connection);
}
}
/// <inheritdoc />
public override Task OnDisconnectedAsync(HubConnectionContext connection)
{
_connections.Remove(connection);
var emptyGroups = _groups.RemoveDisconnectedConnection(connection.ConnectionId);
var actions = new List <DirectoryAction>();
actions.Add(DirectoryAction.RemoveConnection(_hubName, connection.ConnectionId));
if (!string.IsNullOrEmpty(connection.UserIdentifier))
{
actions.Add(DirectoryAction.RemoveUser(_hubName, connection.UserIdentifier));
}
actions.AddRange(emptyGroups.Select(g => DirectoryAction.RemoveGroup(_hubName, g)));
return(_localDirectory.PerformActions(actions));
}
/// <inheritdoc />
public override Task OnDisconnectedAsync(HubConnectionContext connection)
{
_connections.Remove(connection);
_groups.RemoveDisconnectedConnection(connection.ConnectionId);
return(Task.CompletedTask);
}