internal void HandleAuthenticationFailure(object sender, EventArgs args)
{
WrappedEventHandler(() => AuthenticationFailure?.Invoke(sender, args), "AuthenticationFailure", sender);
}
internal void HandleAuthenticationFailure(object sender, EventArgs args)
{
CatchAndReport(() => AuthenticationFailure?.Invoke(sender, args), "AuthenticationFailure", sender);
}
internal void HandleAuthenticationFailure(object sender, EventArgs args)
{
AuthenticationFailure?.Invoke(sender, args);
}
private async Task DataReceiver()
{
while (true)
{
bool readLocked = false;
try
{
_Token.ThrowIfCancellationRequested();
if (_Client == null ||
!_Client.Connected ||
_Token.IsCancellationRequested)
{
Logger?.Invoke("[WatsonTcpClient] Disconnect detected");
break;
}
WatsonMessage msg = null;
readLocked = await _ReadLock.WaitAsync(1);
bool buildSuccess = false;
if (_SslStream != null)
{
msg = new WatsonMessage(_SslStream, Debug);
}
else
{
msg = new WatsonMessage(_TcpStream, Debug);
}
if (_MessageReceived != null &&
_MessageReceived.GetInvocationList().Length > 0)
{
buildSuccess = await msg.Build();
}
else if (_StreamReceived != null &&
_StreamReceived.GetInvocationList().Length > 0)
{
buildSuccess = await msg.BuildStream();
}
else
{
break;
}
if (!buildSuccess)
{
Logger?.Invoke("[WatsonTcpClient] Message build failed due to disconnect");
break;
}
if (msg == null)
{
await Task.Delay(30);
continue;
}
if (msg.Status == MessageStatus.Removed)
{
Logger?.Invoke("[WatsonTcpClient] Disconnect due to server-side removal");
break;
}
else if (msg.Status == MessageStatus.Disconnecting)
{
Logger?.Invoke("[WatsonTcpClient] Disconnect due to server shutdown");
break;
}
else if (msg.Status == MessageStatus.AuthSuccess)
{
Logger?.Invoke("[WatsonTcpClient] Authentication successful");
AuthenticationSucceeded?.Invoke(this, EventArgs.Empty);
continue;
}
else if (msg.Status == MessageStatus.AuthFailure)
{
Logger?.Invoke("[WatsonTcpClient] Authentication failed");
AuthenticationFailure?.Invoke(this, EventArgs.Empty);
continue;
}
if (msg.Status == MessageStatus.AuthRequired)
{
Logger?.Invoke("[WatsonTcpClient] Authentication required by server; please authenticate using pre-shared key");
if (AuthenticationRequested != null)
{
string psk = AuthenticationRequested();
if (!String.IsNullOrEmpty(psk))
{
Authenticate(psk);
}
}
continue;
}
if (_MessageReceived != null &&
_MessageReceived.GetInvocationList().Length > 0)
{
MessageReceivedFromServerEventArgs args = new MessageReceivedFromServerEventArgs(msg.Metadata, msg.Data);
_MessageReceived?.Invoke(this, args);
}
else if (_StreamReceived != null &&
_StreamReceived.GetInvocationList().Length > 0)
{
StreamReceivedFromServerEventArgs args = new StreamReceivedFromServerEventArgs(msg.Metadata, msg.ContentLength, msg.DataStream);
_StreamReceived?.Invoke(this, args);
}
else
{
break;
}
_Stats.ReceivedMessages = _Stats.ReceivedMessages + 1;
_Stats.ReceivedBytes += msg.ContentLength;
}
catch (Exception e)
{
Logger?.Invoke(
"[WatsonTcpClient] Data receiver exception: " +
Environment.NewLine +
e.ToString() +
Environment.NewLine);
break;
}
finally
{
if (readLocked)
{
_ReadLock.Release();
}
}
}
Logger?.Invoke("[WatsonTcpClient] Data receiver terminated");
Connected = false;
ServerDisconnected?.Invoke(this, EventArgs.Empty);
Dispose();
}
