public override string Respond()
{
if (Success)
{
return(new ProtocolResponse("RetryableDone", new { }).Encode());
}
else
{
return(ExceptionManager.GenerateExceptionResponse(new ClientException("Error from client in retryable tx")).Encode());
}
}
public override string Respond()
{
var sessionContainer = (NewSession)ObjManager.GetObject(data.sessionId);
if (sessionContainer.RetryState == NewSession.SessionState.RetryAbleNothing)
{
throw new ArgumentException("Should never hit this code with a RetryAbleNothing");
}
else if (sessionContainer.RetryState == NewSession.SessionState.RetryAbleNegative)
{
if (string.IsNullOrEmpty(sessionContainer.RetryableErrorId))
{
return(ExceptionManager.GenerateExceptionResponse(new ClientException("Error from client in retryable tx")).Encode());
}
else
{
var exception = ((ProtocolException)(ObjManager.GetObject(sessionContainer.RetryableErrorId))).ExceptionObj;
return(ExceptionManager.GenerateExceptionResponse(exception).Encode());
}
}
return(new ProtocolResponse("RetryableDone", new { }).Encode());
}
public async Task Process()
{
bool restartConnection = true;
try
{
Trace.WriteLine("Starting Controller.Process");
while (true)
{
if (restartConnection)
{
await InitialiseCommunicationLayer();
}
try
{
await ProcessStreamObjects().ConfigureAwait(false);
restartConnection = true;
}
catch (Neo4jException ex)
{
// Generate "driver" exception something happened within the driver
await ResponseWriter.WriteResponseAsync(ExceptionManager.GenerateExceptionResponse(ex));
restartConnection = false;
}
catch (NotSupportedException ex)
{
await ResponseWriter.WriteResponseAsync(ExceptionManager.GenerateExceptionResponse(ex));
restartConnection = false;
}
catch (JsonSerializationException ex)
{
await ResponseWriter.WriteResponseAsync(ExceptionManager.GenerateExceptionResponse(ex));
restartConnection = false;
}
catch (TestKitProtocolException ex)
{
Trace.WriteLine($"TestKit protocol exception detected: {ex.Message}");
restartConnection = true;
}
catch (IOException ex)
{
Trace.WriteLine($"Socket exception detected: {ex.Message}"); //Handled outside of the exception manager because there is no connection to reply on.
restartConnection = true;
}
finally
{
if (restartConnection)
{
Trace.WriteLine("Closing Connection");
Connection.Close();
}
}
Trace.Flush();
}
}
catch (Exception ex)
{
Trace.WriteLine($"It looks like the ExceptionExtensions system has failed in an unexpected way. \n{ex}");
}
finally
{
Connection.StopServer();
}
}
public async Task Process()
{
bool restartConnection = true;
try
{
Trace.WriteLine("Starting Controller.Process");
while (true)
{
if (restartConnection)
{
await InitialiseCommunicationLayer();
}
try
{
await ProcessStreamObjects().ConfigureAwait(false);
restartConnection = true;
}
catch (Neo4jException ex)
{
// Generate "driver" exception something happened within the driver
await ResponseWriter.WriteResponseAsync(ExceptionManager.GenerateExceptionResponse(ex));
restartConnection = false;
}
catch (NotSupportedException ex)
{
// Get this sometimes during protocol handshake, like when connectiong with bolt:// on server
// with TLS. Could be a dirty read in the driver or a write from TLS server that causes strange
// version received..
await ResponseWriter.WriteResponseAsync(ExceptionManager.GenerateExceptionResponse(ex));
restartConnection = false;
}
catch (IOException ex)
{
Trace.WriteLine($"Socket exception detected: {ex.Message}"); //Handled outside of the exception manager because there is no connection to reply on.
restartConnection = true;
}
finally
{
if (restartConnection)
{
Trace.WriteLine("Closing Connection");
Connection.Close();
}
}
Trace.Flush();
}
}
catch (Exception ex)
{
Trace.WriteLine($"It looks like the ExceptionExtensions system has failed in an unexpected way. \n{ex}");
}
finally
{
Connection.StopServer();
}
}
public async Task Process(bool restartInitialState, Func <Exception, bool> loopConditional)
{
bool restartConnection = restartInitialState;
Trace.WriteLine("Starting Controller.Process");
Exception storedException = new TestKitClientException("Error from client");
while (loopConditional(storedException))
{
if (restartConnection)
{
await InitialiseCommunicationLayer();
}
try
{
await ProcessStreamObjects().ConfigureAwait(false);
}
catch (Neo4jException ex) //TODO: sort this catch list out...reduce it down using where clauses?
{
// Generate "driver" exception something happened within the driver
await ResponseWriter.WriteResponseAsync(ExceptionManager.GenerateExceptionResponse(ex));
storedException = ex;
restartConnection = false;
}
catch (TestKitClientException ex)
{
await ResponseWriter.WriteResponseAsync(ExceptionManager.GenerateExceptionResponse(ex));
storedException = ex;
restartConnection = false;
}
catch (ArgumentException ex)
{
await ResponseWriter.WriteResponseAsync(ExceptionManager.GenerateExceptionResponse(ex));
storedException = ex;
restartConnection = false;
}
catch (NotSupportedException ex)
{
await ResponseWriter.WriteResponseAsync(ExceptionManager.GenerateExceptionResponse(ex));
storedException = ex;
restartConnection = false;
}
catch (JsonSerializationException ex)
{
await ResponseWriter.WriteResponseAsync(ExceptionManager.GenerateExceptionResponse(ex));
storedException = ex;
restartConnection = false;
}
catch (TestKitProtocolException ex)
{
Trace.WriteLine($"TestKit protocol exception detected: {ex.Message}");
await ResponseWriter.WriteResponseAsync(ExceptionManager.GenerateExceptionResponse(ex));
storedException = ex;
restartConnection = true;
}
catch (IOException ex)
{
Trace.WriteLine($"Socket exception detected: {ex.Message}"); //Handled outside of the exception manager because there is no connection to reply on.
storedException = ex;
restartConnection = true;
}
catch (Exception ex)
{
Trace.WriteLine($"General exception detected, restarting connection: {ex.Message}");
storedException = ex;
restartConnection = true;
}
finally
{
if (restartConnection)
{
Trace.WriteLine("Closing Connection");
Connection.Close();
}
}
Trace.Flush();
}
}
