async Task WritingProcessorAsync()
{
try
{
//Start
lastStreamWorkingTime = DateTime.Now;
await outputStream.WriteAsync(new byte[] { 128 }, 0, 1, shuttingdownToken); //Hello
startingLock.Set();
//Looping
while (!shuttingdownToken.IsCancellationRequested)
{
var buffer = sendingBuffers.Take(shuttingdownToken);
lastStreamWorkingTime = DateTime.Now;
await outputStream.WriteAsync(buffer, 0, buffer.Length, shuttingdownToken);
}
}
catch (InvalidOperationException) { } //Finish adding, called only from StopProcessing
catch (OperationCanceledException) { }
catch (Exception ex)
{
sendingNormal = false;
if (ConnectionErrorOccurred != null)
{
ConnectionExceptionEventArgs e = new ConnectionExceptionEventArgs(ex, true, false);
ConnectionErrorOccurred(this, e);
}
StopProcessing(false);
}
}
void ReadingProcessor()
{
using (BinaryReader binaryReader = new BinaryReader(inputStream))
{
byte commandCode;
try
{
while (!shuttingdownToken.IsCancellationRequested)
{
commandCode = binaryReader.ReadByte();
lastStreamWorkingTime = DateTime.Now;
if (commandCode <= 127) //Private channel data
{
int length = GetInt32FromBytes(commandCode, binaryReader.ReadByte(), binaryReader.ReadByte(), binaryReader.ReadByte());
OnPrivateMessageReceived(length, binaryReader);
}
else if (commandCode == 254) //Ping
{
OnPingReceived();
}
else if (commandCode == 253) //Pong
{
//Do nothing
}
else if (commandCode == 130) //Add or update client with virtual host setting
{
var clientId = binaryReader.ReadGuid();
OnAddOrUpdateClientReceived(clientId, binaryReader);
}
else if (commandCode == 129) //Add or update client without virtual host setting
{
var clientId = binaryReader.ReadGuid();
OnAddOrUpdateClientReceived(clientId);
}
else if (commandCode == 131) //Remove
{
var clientId = binaryReader.ReadGuid();
OnRemoveClientReceived(clientId);
}
else if (commandCode == 128) //Hello
{
OnHelloReceived();
}
else if (commandCode == 255) //Link closed
{
binaryReader.Close();
StopProcessing(true);
break;
}
}
}
catch (Exception ex)
{
if (!shuttingdownToken.IsCancellationRequested) //Or, it is closed by terminating reading process.
{
if (ConnectionErrorOccurred != null)
{
ConnectionExceptionEventArgs e = new ConnectionExceptionEventArgs(ex, true, false);
ConnectionErrorOccurred(this, e);
}
StopProcessing(true);
}
}
}
AdapterStopped?.Invoke(this, EventArgs.Empty);
}
void OnAdapterConnectionErrorOccurred(object sender, ConnectionExceptionEventArgs e)
{
var adapter = (IRemoteHubAdapter<byte[]>)sender;
ConnectionErrorOccurredInternal(this, new ConnectionExceptionWithAdapterEventArgs(e, adapter));
}
private void RedisAdapter_ConnectionErrorOccurred(object sender, ConnectionExceptionEventArgs e)
{
FromAdapter_ConnectionErrorOccurred?.Invoke(this, e);
}
/// <summary>
/// Initializes an instance of ConnectionExceptionWithAdapterEventArgs.
/// </summary>
/// <param name="e">The argument passed by <see cref="IRemoteHubAdapter.ConnectionErrorOccurred"/>.</param>
/// <param name="remoteHubAdapter">RemoteHub Adapter instance which throw the exception.</param>
public ConnectionExceptionWithAdapterEventArgs(ConnectionExceptionEventArgs e, IRemoteHubAdapter <byte[]> remoteHubAdapter)
: base(e.Exception, e.IsFatal, e.IsRetried)
{
Adapter = remoteHubAdapter;
}
