private void HandleOnError(object sender, WebSocketSharp.ErrorEventArgs e)
{
if (OnError != null)
{
OnError.Invoke(sender, new WebSocketErrorEventArgs(e.Message));
}
}
public IEnumerator Connect()
{
m_Socket = new WebSocketSharp.WebSocket(mUrl.ToString());
m_Socket.OnMessage += (sender, e) =>
{
m_Messages.Enqueue(e.RawData);
};
m_Socket.OnOpen += (sender, e) =>
{
m_IsConnected = true;
isConnected = true;
};
m_Socket.OnError += (sender, e) =>
{
m_Error = e.Message;
if (OnError != null)
{
OnError.Invoke(this, new ErrorEventArgs(m_Error));
}
};
m_Socket.ConnectAsync();
while (!m_IsConnected && m_Error == null)
{
yield return(0);
}
if (OnOpen != null)
{
OnOpen.Invoke(this, new EventArgs());
}
}
internal void HandleOnError(string msg)
{
if (OnError != null)
{
OnError.Invoke(this, new ErrorEventArgs(msg));
}
}
private void OnConsumerShutdown(object sender, ShutdownEventArgs e)
{
if (OnError != null)
{
OnError.Invoke(sender, e);
}
}
public void OnMessage(object sender, MessageEventArgs e)
{
try
{
var data = MessagePackSerializer.Deserialize <CommandData>(e.RawData);
if (data.Type == "error")
{
// errors contain aditional attributes
var error = MessagePackSerializer.Deserialize <CoflnetExceptionTransmit>(e.RawData);
OnError.Invoke(new CoflnetException(error));
return;
}
onMessage?.Invoke(data);
// confirm receival
SendCommand(
CommandData.CreateCommandData <ReceiveConfirm, ReceiveConfirmParams>(
ConnectedServerId,
new ReceiveConfirmParams(data.SenderId, data.MessageId)));
}
catch (System.Exception ex)
{
Logger.Error(ex.Message);
}
}
//
private void SafeError(string message)
{
if (OnError != null)
{
OnError.Invoke(message);
}
}
public void threadFunction()
{
try
{
/*var addr = Dns.GetHostAddresses(Host);
* if (addr.Length < 1)
* throw new ArgumentException("Unknown host.");*/
TcpListener = new TcpListener(IPAddress.Any, Port);
TcpListener.Start();
Running = true;
while (true)
{
try
{
var client = TcpListener.AcceptTcpClient();
Cytar.SetupSession(new TCPSession(client));
}
catch (SocketException)
{
Running = false;
return;
}
}
}
catch (Exception ex)
{
if (OnError != null)
{
OnError.Invoke(ex);
}
}
}
public virtual void RaiseException(MalformedLineException exception)
{
if (OnError != null)
{
OnError.Invoke(this, new EasyParserExceptionEventArgs(exception));
}
}
/// <summary>
/// poll for error processing
/// this is because errors can come from a different thread
/// </summary>
private void Update()
{
if (errorEventArgs.Count <= 0)
{
return;
}
ErrorEventArgs error = errorEventArgs.Dequeue();
if (socket != null)
{
socket.Close("Socket Error");
socket = null;
}
connectionState = ConnectionState.Disconnected;
if (OnClose != null)
{
OnClose.Invoke(this, new CloseEventArgs
{
Reason = "Socket Error: socket already closed",
WasClean = false
});
}
if (OnError != null)
{
OnError.Invoke(this, error);
}
}
protected void SetError(string errorText)
{
if (OnError != null)
{
OnError.Invoke(errorText);
}
}
internal void Update()
{
while (eventArgsQueue.Count > 0)
{
EventArgs e;
lock (eventArgsQueue)
{
e = eventArgsQueue.Dequeue();
}
if (e is CloseEventArgs && OnClose != null)
{
OnClose.Invoke(this, e as CloseEventArgs);
}
else if (e is OpenEventArgs && OnOpen != null)
{
OnOpen.Invoke(this, e as OpenEventArgs);
}
else if (e is MessageEventArgs && OnMessage != null)
{
OnMessage.Invoke(this, e as MessageEventArgs);
}
else if (e is ErrorEventArgs && OnError != null)
{
OnError.Invoke(this, e as ErrorEventArgs);
}
}
}
private void fireOnError(string errdesc)
{
if (OnError != null)
{
OnError.Invoke(errdesc);
}
}
/// <summary>
/// Try setting a port for server. Returns true if the port is available.
/// </summary>
/// <param name="port"></param>
/// <param name="setOpenPortIfFailed">If true, will automatically set an open port when the input one is not available.</param>
/// <returns>return true if succeeded.</returns>
public bool TrySetPort(int port = OpenPortFlag, bool setOpenPortIfFailed = false)
{
if (isListening)
{
if (OnError != null)
{
OnError.Invoke(this, new ConnectionErrorEventArgs("Server", "Cannot change the port when server is running."));
}
return(false);
}
if (port == OpenPortFlag)
{
Port = NetworkUtil.GetOpenPort();
return(true);
}
else
{
if (NetworkUtil.IsPortAvailable(port))
{
Port = port;
return(true);
}
else
{
if (setOpenPortIfFailed)
{
TrySetPort();
}
return(false);
}
}
}
private void RaiseError(string message)
{
if (OnError != null)
{
OnError.Invoke(this, new WebSocketErrorEventArgs(message));
}
}
/// <summary>
/// Handles exceptions
/// </summary>
/// <param name="message"></param>
internal static void ExceptionHandle(NetIncomingMessage message, String reason)
{
Handshake.Contents contents;
switch ((message.SenderConnection.Tag as Handshake).HandshakeState)
{
case Handshake.State.Failed:
contents = Handshake.Contents.Error;
OnError.Invoke(reason);
break;
case Handshake.State.Expired:
contents = Handshake.Contents.Expired;
OnExpired.Invoke(reason);
break;
case Handshake.State.Denied:
contents = Handshake.Contents.Denied;
OnDenied.Invoke(reason);
break;
default:
contents = Handshake.Contents.Error;
OnError.Invoke(reason);
break;
}
var result = Create(message.SenderConnection, contents);
result.Write(reason);
message.SenderConnection.SendMessage(result, NetDeliveryMethod.ReliableUnordered, 0);
}
private void UpdateEntry(Entry entry)
{
try
{
entry.CoroutineProcessor.Update();
}
catch (Exception ex)
{
entry.CoroutineProcessor.Stop();
entry.CoroutineProcessor.Exception = ex;
if (entry.HandlerError != null)
{
entry.HandlerError.Invoke(entry.Target, ex);
}
else if (OnError != null)
{
OnError.Invoke(entry.Target, ex);
}
else
{
throw;
}
}
}
public async Task GetError(string err)
{
if (OnError != null)
{
await OnError.Invoke(err);
}
}
/// <summary>
/// 发送数据
/// </summary>
/// <param name="data">数据</param>
public bool Send(byte[] data)
{
if (_socket != null && _socket.Connected)
{
try
{
_socket.Send(data);
return(true);
}
catch (Exception ex)
{
if (OnError != null)
{
OnError.Invoke(this, new MsgEventArgs()
{
Msg = ex.Message
});
}
return(false);
}
}
else
{
if (OnError != null)
{
OnError.Invoke(this, new MsgEventArgs()
{
Msg = "发送数据失败，Tcp 未建立连接。"
});
}
return(false);
}
}
public void Flush()
{
if (_rawCommand != null)
{
var rawCommand = _rawCommand;
rawCommand.TraceMessage = _traceMessage.ToString();
_traceMessage.Clear();
try
{
var parsedCommand = _parser.Parse(rawCommand);
OnCommand?.Invoke(this, parsedCommand);
}
catch (Exception ex)
{
if (OnError != null)
{
OnError.Invoke(this, ex);
}
else
{
throw;
}
}
}
}
public async Task OpenAsync()
{
await ExecuteRetryPolicy();
subscriptions.Clear();
if (channel != null)
{
try
{
channel.Dispose();
channel = null;
client = null;
logger?.LogDebug("Disposed internal channel.");
}
catch (Exception ex)
{
logger?.LogError(ex, "Fault disposing internal channel.");
}
}
try
{
channel = new WebSocketClientChannel(endpointUrl, securityToken, "mqtt", new WebSocketConfig(),
CancellationToken.None);
client = new PiraeusMqttClient(new MqttConfig(180), channel);
client.OnChannelError += Client_OnChannelError;
client.OnChannelStateChange += Client_OnChannelStateChange;
string sessionId = Guid.NewGuid().ToString();
ConnectAckCode code = await client.ConnectAsync(sessionId, "JWT", securityToken, 180);
if (code != ConnectAckCode.ConnectionAccepted)
{
logger?.LogWarning($"Vrtu channel connect return code = '{code}'.");
OnError.Invoke(this,
new ChannelErrorEventArgs(channel.Id,
new Exception($"VRtu channel failed to open with code = {code}")));
}
else
{
logger?.LogInformation("Vrtu channel connected.");
try
{
diag = new DiagnosticsChannel(config, client, logger);
diag.StartAsync().GetAwaiter();
}
catch (Exception ex)
{
diag = null;
logger?.LogError(ex, "Diagnostics on Vrtu channel faulted.");
}
}
}
catch (Exception ex)
{
logger?.LogError(ex, "Fault opening MQTT client channel.");
}
}
protected override void OnReceived(byte[] data)
{
if (!_isHandSharked)
{
_cache.AddRange(data);
try
{
var handShakeText = Encoding.UTF8.GetString(_cache.ToArray());
string key = string.Empty;
Regex reg = new Regex(@"Sec\-WebSocket\-Accept:(.*?)\r\n");
Match m = reg.Match(handShakeText);
if (string.IsNullOrEmpty(m.Value))
{
throw new Exception("回复中不存在 Sec-WebSocket-Accept");
}
key = Regex.Replace(m.Value, @"Sec\-WebSocket\-Accept:(.*?)\r\n", "$1").Trim();
_isHandSharked = true;
}
catch (Exception ex)
{
OnError.Invoke(UserToken.ID, ex);
}
}
else
{
var coder = (WSCoder)UserToken.Unpacker;
coder.Unpack(data, (d) =>
{
var wsProtocal = (WSProtocal)d;
switch (wsProtocal.Type)
{
case (byte)WSProtocalType.Close:
base.Disconnect();
break;
case (byte)WSProtocalType.Pong:
var date = DateTime.Parse(Encoding.UTF8.GetString(wsProtocal.Content));
OnPong?.Invoke(date);
break;
case (byte)WSProtocalType.Binary:
case (byte)WSProtocalType.Text:
case (byte)WSProtocalType.Cont:
OnMessage?.Invoke((WSProtocal)d);
break;
case (byte)WSProtocalType.Ping:
ReplyPong();
break;
default:
var error = string.Format("收到未定义的Opcode={0}", d.Type);
break;
}
}, null, null);
}
}
public override void OnPhotonJoinRoomFailed(object[] codeAndMsg)
{
if (OnError != null)
{
OnError.Invoke(this, new ErrorEventArgs(ErrorType.ErrorJoiningRoom, "Error Joining Room. " + codeAndMsg[1]));
}
SwitchProgressLabelVisibility(false);
}
private void Browser_LoadError(object sender, LoadErrorEventArgs e)
{
this.Invoke((Action) delegate
{
OnError.Invoke(e.ErrorText, new EventArgs());
this.Close();
});
}
private void timeout_Tick(object sender, EventArgs e)
{
this.Invoke((Action) delegate
{
OnError.Invoke("Timeout", new EventArgs());
this.Close();
});
}
/// <summary>
/// 当异常时
/// </summary>
/// <param name="obj">异常</param>
private void OnSocketError(object obj)
{
lastException = obj as Exception;
if (OnError != null)
{
OnError.Invoke(this, (Exception)obj);
}
}
public void onError(AndroidJavaObject exception)
{
if (OnError != null)
{
OnError.Invoke(exception);
}
Debug.Log("ENTER callback onError: " + exception);
}
private void RetryTask(string data)
{
// we dont count for retry because eac task retries itself
if (OnError != null)
{
OnError.Invoke(data);
}
}
public void Failed(NetworkErrorType errorType, string errorMsg, NetworkPacket packet)
{
packet.Error(errorType, errorMsg);
if (OnError != null)
{
OnError.Invoke(errorType, packet);
}
}
private async Task <LoadMoreItemsResult> LoadMoreItemsAsync(uint count, CancellationToken cancellationToken)
{
uint resultCount = 0;
_cancellationToken = cancellationToken;
try
{
if (!_cancellationToken.IsCancellationRequested)
{
IEnumerable <IType> data = null;
try
{
IsLoading = true;
data = await LoadDataAsync(count, _cancellationToken);
}
catch (OperationCanceledException)
{
// The operation has been canceled using the Cancellation Token.
}
catch (Exception ex) when(OnError != null)
{
OnError.Invoke(ex);
}
if (data != null && data.Any() && !_cancellationToken.IsCancellationRequested)
{
resultCount = (uint)data.Count();
var reversed = data.Reverse();
foreach (var item in reversed)
{
Insert(0, item);
}
}
else
{
HasMoreItems = false;
}
}
}
finally
{
IsLoading = false;
if (_refreshOnLoad)
{
_refreshOnLoad = false;
await RefreshAsync();
}
}
return(new LoadMoreItemsResult {
Count = resultCount
});
}
private async void StartHandshakeWithClient(SocketStream client)
{
try
{
var message = "";
while (client.socket.Connected)
{
var buffer = new byte[2048];
var bytesRead = await client.stream.ReadAsync(buffer, 0, buffer.Length);
if (bytesRead == 0)
{
break;
}
message += Encoding.UTF8.GetString(buffer, 0, bytesRead);
if (message.Contains(Terminator.HTTP))
{
Console.WriteLine($"WebSocketServer: A HandShake received from {client.IP}:{client.Port}...");
//var messages = message.Split(new[] { HTTP_TERMINATOR }, StringSplitOptions.RemoveEmptyEntries);
if (Regex.IsMatch(message, "^GET", RegexOptions.IgnoreCase))
{
// 1. Obtain the value of the "Sec-WebSocket-Key" request header without any leading or trailing whitespace
// 2. Concatenate it with "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" (a special GUID specified by RFC 6455)
// 3. Compute SHA-1 and Base64 hash of the new value
// 4. Write the hash back as the value of "Sec-WebSocket-Accept" response header in an HTTP response
string swk = Regex.Match(message, "Sec-WebSocket-Key: (.*)").Groups[1].Value.Trim();
string swka = swk + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
byte[] swkaSha1 = System.Security.Cryptography.SHA1.Create().ComputeHash(Encoding.UTF8.GetBytes(swka));
string swkaSha1Base64 = Convert.ToBase64String(swkaSha1);
// HTTP/1.1 defines the sequence CR LF as the end-of-line marker
var outgoingMessage = "HTTP/1.1 101 Switching Protocols\r\n" +
"Connection: Upgrade\r\n" +
"Upgrade: websocket\r\n" +
"Sec-WebSocket-Accept: " + swkaSha1Base64 + "\r\n\r\n";
byte[] response = Encoding.UTF8.GetBytes(outgoingMessage);
Console.WriteLine($"WebSocketServer: Replying to HandShake for {client.IP}:{client.Port}...");
await client.stream.WriteAsync(response, 0, response.Length);
}
else
{
throw new Exception("WebSocketServer: Incoming websocket handshake message was not in the right format.");
}
StartReceivingFromClient(client);
break;
}
}
}
catch (Exception exception)
{
OnError.Invoke(this, exception);
Disconnect(client);
}
}
