public void Disconnect()
{
if (Transport != null)
{
Transport.Close();
}
}
public override void Close()
{
if (Transport != null && Transport.IsOpen)
{
Transport.Close();
}
}
private void HandleSessionDisconnect(string msg)
{
Connected = false;
Events.Trigger("disconnect", new ErrorResponse(msg));
Transport.Close();
}
/// <summary>
/// Closes this Socket.IO connection.
/// </summary>
void IManager.Close(bool removeSockets)
{
if (State == States.Closed || closing)
{
return;
}
closing = true;
HTTPManager.Logger.Information("SocketManager", "Closing");
HTTPManager.Heartbeats.Unsubscribe(this);
// Disconnect the sockets. The Disconnect function will call the Remove function to remove it from the Sockets list.
if (removeSockets)
{
while (Sockets.Count > 0)
{
(Sockets[Sockets.Count - 1] as ISocket).Disconnect(removeSockets);
}
}
else
{
for (int i = 0; i < Sockets.Count; ++i)
{
(Sockets[i] as ISocket).Disconnect(removeSockets);
}
}
// Set to Closed after Socket's Disconnect. This way we can send the disconnect events to the server.
State = States.Closed;
LastHeartbeat = DateTime.MinValue;
if (OfflinePackets != null)
{
OfflinePackets.Clear();
}
// Remove the references from the dictionary too.
if (removeSockets)
{
Namespaces.Clear();
}
if (Handshake != null)
{
Handshake.Abort();
}
Handshake = null;
if (Transport != null)
{
Transport.Close();
}
Transport = null;
closing = false;
}
public void Disconnect()
{
if (Modem != null)
{
Modem.Disconnect();
}
if (Transport != null)
{
Transport.Close();
}
}
public void Disconnect()
{
Token = null;
if (Transport.Connected)
{
CBye();
}
if (Transport != null)
{
Transport.Close();
}
Transport = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Status = ConnectionStatus.NotConnected;
App.ViewModel.AddDebugLog("!Disconnected");
}
public void DestroyTransport(bool suppressClosedEvent)
{
if (Logger.IsDebug)
{
Logger.Debug("Destroying transport");
}
if (Transport == null)
{
return;
}
Transport.Close(suppressClosedEvent);
Transport.Listener = null;
Transport = null;
}
void IManager.Close(bool removeSockets)
{
if (State != States.Closed && !closing)
{
closing = true;
HTTPManager.Logger.Information("SocketManager", "Closing");
HTTPManager.Heartbeats.Unsubscribe(this);
if (removeSockets)
{
while (Sockets.Count > 0)
{
((ISocket)Sockets[Sockets.Count - 1]).Disconnect(removeSockets);
}
}
else
{
for (int i = 0; i < Sockets.Count; i++)
{
((ISocket)Sockets[i]).Disconnect(removeSockets);
}
}
State = States.Closed;
LastHeartbeat = DateTime.MinValue;
if (OfflinePackets != null)
{
OfflinePackets.Clear();
}
if (removeSockets)
{
Namespaces.Clear();
}
if (Handshake != null)
{
Handshake.Abort();
}
Handshake = null;
if (Transport != null)
{
Transport.Close();
}
Transport = null;
closing = false;
}
}
public async Task Disconnect()
{
var request = new WCSessionUpdate(new WCSessionData()
{
approved = false,
chainId = null,
accounts = null,
networkId = null
});
await SendRequest(request);
await Transport.Close();
if (OnDisconnect != null)
{
OnDisconnect(this, this);
}
}
public bool Close()
{
try
{
bool close = Transport.Close();
if (close && OnClose != null)
{
OnClose(this);
}
return(close);
}
catch (Exception e)
{
if (OnError != null)
{
OnError(this, e);
}
return(false);
}
}
/// <summary>
/// Closes the instance and releases resources.
/// </summary>
public void Close()
{
_isRunning = false;
Transport.Close();
}
public void Close()
{
Transport.Close();
}
/// <summary>
/// Closes the connection to the PClient.
/// Doing this for every single evaluation can be very bad for performance.
/// </summary>
public static void Close()
{
Socket.Close();
Transport.Close();
}
public void OnAuthUpdated(object sender, AblyAuthUpdatedEventArgs args)
{
if (State.State == ConnectionState.Connected)
{
/* (RTC8a) If the connection is in the CONNECTED state and
* auth.authorize is called or Ably requests a re-authentication
* (see RTN22), the client must obtain a new token, then send an
* AUTH ProtocolMessage to Ably with an auth attribute
* containing an AuthDetails object with the token string. */
try
{
/* (RTC8a3) The authorize call should be indicated as completed
* with the new token or error only once realtime has responded
* to the AUTH with either a CONNECTED or ERROR respectively. */
// an ERROR protocol message will fail the connection
void OnFailed(object o, ConnectionStateChange change)
{
if (change.Current == ConnectionState.Failed)
{
Connection.InternalStateChanged -= OnFailed;
Connection.InternalStateChanged -= OnConnected;
args.CompleteAuthorization(false);
}
}
void OnConnected(object o, ConnectionStateChange change)
{
if (change.Current == ConnectionState.Connected)
{
Connection.InternalStateChanged -= OnFailed;
Connection.InternalStateChanged -= OnConnected;
args.CompleteAuthorization(true);
}
}
Connection.InternalStateChanged += OnFailed;
Connection.InternalStateChanged += OnConnected;
var msg = new ProtocolMessage(ProtocolMessage.MessageAction.Auth)
{
Auth = new AuthDetails {
AccessToken = args.Token.Token
}
};
Send(msg);
}
catch (AblyException e)
{
Logger.Warning("OnAuthUpdated: closing transport after send failure");
Logger.Debug(e.Message);
Transport?.Close();
}
}
else
{
args.CompletedTask.TrySetResult(true);
Connect();
}
}
/// <summary>
/// Called from the HTTPManager's OnUpdate function every frame. It's main function is to send out heartbeat messages.
/// </summary>
void IHeartbeat.OnHeartbeatUpdate(TimeSpan dif)
{
switch (State)
{
case States.Paused:
// To ensure no messages are lost, the upgrade packet will only be sent once all the buffers of the existing transport are flushed and the transport is considered paused.
if (!Transport.IsRequestInProgress &&
!Transport.IsPollingInProgress)
{
State = States.Open;
// Close the current transport
Transport.Close();
// and switch to the newly upgraded one
Transport = UpgradingTransport;
UpgradingTransport = null;
// We will send an Upgrade("5") packet.
Transport.Send(this.Parser.CreateOutgoing(TransportEventTypes.Upgrade, null));
goto case States.Open;
}
break;
case States.Opening:
if (DateTime.UtcNow - ConnectionStarted >= Options.Timeout)
{
(this as IManager).EmitError("Connection timed out!");
(this as IManager).EmitEvent("connect_error");
(this as IManager).EmitEvent("connect_timeout");
(this as IManager).TryToReconnect();
}
break;
case States.Reconnecting:
if (ReconnectAt != DateTime.MinValue && DateTime.UtcNow >= ReconnectAt)
{
(this as IManager).EmitEvent("reconnect_attempt");
(this as IManager).EmitEvent("reconnecting");
Open();
}
break;
case States.Open:
ITransport trans = null;
// Select transport to use
if (Transport != null && Transport.State == TransportStates.Open)
{
trans = Transport;
}
// not yet open?
if (trans == null || trans.State != TransportStates.Open)
{
return;
}
// Start to poll the server for events
trans.Poll();
// Start to send out unsent packets
SendOfflinePackets();
// First time we reached this point. Set the LastHeartbeat to the current time, 'cause we are just opened.
if (LastHeartbeat == DateTime.MinValue)
{
LastHeartbeat = DateTime.UtcNow;
lastPingReceived = DateTime.UtcNow;
return;
}
if (DateTime.UtcNow - lastPingReceived > TimeSpan.FromMilliseconds(Handshake.PingInterval + Handshake.PingTimeout))
{
(this as IManager).TryToReconnect();
}
break; // case States.Open:
}
}
internal async Task OnAuthUpdated(TokenDetails tokenDetails, bool wait)
{
if (Connection.State != ConnectionState.Connected)
{
ExecuteCommand(Connect());
return;
}
try
{
var msg = new ProtocolMessage(ProtocolMessage.MessageAction.Auth)
{
Auth = new AuthDetails
{
AccessToken = tokenDetails.Token,
},
};
Send(msg);
}
catch (AblyException e)
{
Logger.Warning("OnAuthUpdated: closing transport after send failure");
Logger.Debug(e.Message);
Transport?.Close();
}
if (wait)
{
var waiter = new ConnectionChangeAwaiter(Connection);
try
{
while (true)
{
var(success, newState) = await waiter.Wait(Defaults.DefaultRealtimeTimeout);
if (success == false)
{
throw new AblyException(
new ErrorInfo(
$"Connection state didn't change after Auth updated within {Defaults.DefaultRealtimeTimeout}",
40140));
}
switch (newState)
{
case ConnectionState.Connected:
Logger.Debug("onAuthUpdated: Successfully connected");
return;
case ConnectionState.Connecting:
case ConnectionState.Disconnected:
continue;
default: // if it's one of the failed states
Logger.Debug("onAuthUpdated: Failed to reconnect");
throw new AblyException(Connection.ErrorReason);
}
}
}
catch (AblyException)
{
throw;
}
catch (Exception e)
{
Logger.Error("Error in AuthUpdated handler", e);
throw new AblyException(
new ErrorInfo("Error while waiting for connection to update after updating Auth"), e);
}
}
}
/// <summary>
/// Called from the HTTPManager's OnUpdate function every frame. It's main function is to send out heartbeat messages.
/// </summary>
void IHeartbeat.OnHeartbeatUpdate(TimeSpan dif)
{
switch (State)
{
case States.Paused:
// To ensure no messages are lost, the upgrade packet will only be sent once all the buffers of the existing transport are flushed and the transport is considered paused.
if (!Transport.IsRequestInProgress &&
!Transport.IsPollingInProgress)
{
State = States.Open;
// Close the current transport
Transport.Close();
// and switch to the newly upgraded one
Transport = UpgradingTransport;
UpgradingTransport = null;
// We will send an Upgrade("5") packet.
Transport.Send(new Packet(TransportEventTypes.Upgrade, SocketIOEventTypes.Unknown, "/", string.Empty));
goto case States.Open;
}
break;
case States.Opening:
if (DateTime.UtcNow - ConnectionStarted >= Options.Timeout)
{
(this as IManager).EmitError(SocketIOErrors.Internal, "Connection timed out!");
(this as IManager).EmitEvent("connect_error");
(this as IManager).EmitEvent("connect_timeout");
(this as IManager).TryToReconnect();
}
break;
case States.Reconnecting:
if (ReconnectAt != DateTime.MinValue && DateTime.UtcNow >= ReconnectAt)
{
(this as IManager).EmitEvent("reconnect_attempt");
(this as IManager).EmitEvent("reconnecting");
Open();
}
break;
case States.Open:
ITransport trans = null;
// Select transport to use
if (Transport != null && Transport.State == TransportStates.Open)
{
trans = Transport;
}
// not yet open?
if (trans == null || trans.State != TransportStates.Open)
{
return;
}
// Start to poll the server for events
trans.Poll();
// Start to send out unsent packets
SendOfflinePackets();
// First time we reached this point. Set the LastHeartbeat to the current time, 'cause we are just opened.
if (LastHeartbeat == DateTime.MinValue)
{
LastHeartbeat = DateTime.UtcNow;
return;
}
// It's time to send out a ping event to the server
if (DateTime.UtcNow - LastHeartbeat > Handshake.PingInterval)
{
(this as IManager).SendPacket(new Packet(TransportEventTypes.Ping, SocketIOEventTypes.Unknown, "/", string.Empty));
LastHeartbeat = DateTime.UtcNow;
IsWaitingPong = true;
}
// No pong event received in the given time, we are disconnected.
if (IsWaitingPong && DateTime.UtcNow - LastHeartbeat > Handshake.PingTimeout)
{
IsWaitingPong = false;
(this as IManager).TryToReconnect();
}
break; // case States.Open:
}
}
private void ProcessReply(string line)
{
App.ViewModel.AddDebugLog(string.Format("<{0}", line));
var pattern = "^([A-Z]+)([:][A-Z0-9_]+)?(|.+)?$";
var match = Regex.Match(line, pattern);
if (match.Success)
{
var command = match.Groups[1].Value;
var parameter = string.IsNullOrEmpty(match.Groups[2].Value) ? null : match.Groups[2].Value.Substring(1);
var addict = string.IsNullOrWhiteSpace(match.Groups[3].Value) ? null : match.Groups[3].Value.Substring(1).Trim();
dynamic json = string.IsNullOrEmpty(addict) ? null
: JsonConvert.DeserializeObject <dynamic>(addict, new JsonSerializerSettings {
Error = (s, e) => { e.ErrorContext.Handled = true; }
});
if (json == null)
{
json = JsonConvert.DeserializeObject <dynamic>("{}");
}
switch (command)
{
case "BYE":
Transport.Shutdown(SocketShutdown.Both);
Transport.Close();
break;
case "G":
foreach (var c in (json as JArray).Cast <JValue>().Select(s => s.Value.ToString().Split('|')).ToList())
{
Do(() => { App.ViewModel.GroupsModel.AddCoordinate(c[0], Coordinate.Create(c[1])); });
}
break;
case "GA":
CGroup();
break;
case "GD":
CGroup();
break;
case "GE":
CGroup();
break;
case "GP":
var group = JsonConvert.DeserializeObject <Group>(addict);
Do(() => { App.ViewModel.GroupsModel.SetUsers(parameter, group.Users); });
CGpr(parameter);
break;
case "GPR":
break;
case "GROUP":
Do(() => { lock (App.ViewModel.GroupsModel.Groups) { App.ViewModel.GroupsModel.Groups = JsonConvert.DeserializeObject <List <Group> >(addict); } });
break;
case "INIT":
if (json["error"] != null)
{
Disconnect();
}
else
{
Do(() => { App.ViewModel.TrackerId = ((JValue)json["id"]).ToObject <string>(); });
CMd();
}
break;
case "MD":
Status = ConnectionStatus.Connected;
while (SendQueue.Count > 0)
{
Send(SendQueue.Dequeue());
}
Do(() => { App.ViewModel.MessageOfTheDay = addict; });
break;
case "P":
break;
case "PP":
CP();
break;
case "RC":
break;
case "TO":
Do(() => { App.ViewModel.SessionId = ((JValue)json["url"]).ToObject <string>(); });
break;
case "T":
break;
case "TC":
Do(() => { App.ViewModel.SessionId = null; });
break;
default:
if (Debugger.IsAttached)
{
Debugger.Break();
}
break;
}
}
}
