public async Task <TManagerCommandResponse> Handle <TManagerCommandRequest, TManagerCommandResponse>(TManagerCommandRequest request, CancellationToken cancellationToken)
where TManagerCommandRequest : ManagerCommandRequest
where TManagerCommandResponse : ManagerCommandResponse, new()
{
Guard.ArgumentNotNull(request, nameof(request));
Stopwatch stopwatch = null;
if (IsDebugEnabled || IsErrorEnabled)
{
stopwatch = Stopwatch.StartNew();
}
var commandHandler = _lifetimeScope.Resolve <IManagerCommandHandler <TManagerCommandRequest, TManagerCommandResponse> >();
if (null == commandHandler)
{
Log.Warning("Cannot find handler for manager command for [<{request}, {response}>]",
typeof(TManagerCommandRequest).Name, typeof(TManagerCommandResponse).Name);
return(ManagerCommandResponse.Create <TManagerCommandResponse>(
CommandExecutionStatus.ExecutionFailed,
new CommandExecutionInternalErrorResult(
$"Cannot find handler for manager command for [<{typeof(TManagerCommandRequest).Name}, {typeof(TManagerCommandResponse).Name}>]")));
}
Log.Debug("Starting processing manager command [<{request}, {response}>]",
typeof(TManagerCommandRequest).Name, typeof(TManagerCommandResponse).Name);
try
{
var managerCommandResponse = await commandHandler.Handle(request, cancellationToken).ConfigureAwait(false);
if (managerCommandResponse.CommandExecutionStatus == CommandExecutionStatus.Completed)
{
stopwatch?.Stop();
Log.Debug("Finished processing manager command [<{request}, {response}>] {duration}",
typeof(TManagerCommandRequest).Name, typeof(TManagerCommandResponse).Name, stopwatch?.Elapsed);
}
else
{
stopwatch?.Stop();
Log.Warning("Processing manager command [<{request}, {response}>] {duration} has failed with [{status}], [{message}]",
typeof(TManagerCommandRequest).Name, typeof(TManagerCommandResponse).Name, stopwatch?.Elapsed,
managerCommandResponse.CommandExecutionStatus, managerCommandResponse.CommandExecutionResult?.Description ?? "NULL");
}
return(managerCommandResponse);
}
catch (Exception ex)
{
stopwatch?.Stop();
Log.Error(ex, "An error has occurred during processing manager command [<{request}, {response}>] [{duration}]",
typeof(TManagerCommandRequest).Name, typeof(TManagerCommandResponse).Name, stopwatch?.Elapsed);
return(ManagerCommandResponse.Create <TManagerCommandResponse>(CommandExecutionStatus.InternalServerError, new CommandExecutionInternalErrorResult()));
}
}
public async Task <TManagerCommandResponse> HandleRemote <TManagerCommandRequest, TManagerCommandResponse>(TManagerCommandRequest request, CancellationToken cancellationToken)
where TManagerCommandRequest : ManagerCommandRequest
where TManagerCommandResponse : ManagerCommandResponse, new()
{
Guard.ArgumentNotNull(request, nameof(request));
Stopwatch stopwatch = null;
if (IsDebugEnabled || IsErrorEnabled)
{
stopwatch = Stopwatch.StartNew();
}
Log.Debug("Starting processing remote manager command [<{request}, {response}>]",
typeof(TManagerCommandRequest).Name, typeof(TManagerCommandResponse).Name);
var endpointConfiguration = GetRemoteEndpointConfiguration();
if (null == endpointConfiguration)
{
Log.Warning("No remote endpoint configuration is defined for [<{request}, {response}>]",
typeof(TManagerCommandRequest).Name, typeof(TManagerCommandResponse).Name);
return(ManagerCommandResponse.Create <TManagerCommandResponse>(
CommandExecutionStatus.ExecutionFailed,
new CommandExecutionInternalErrorResult($"No remote endpoint configuration is defined for [{GetType().FullName}]")));
}
var managerCommandTransportFactory = GetManagerCommandTransportFactory();
if (null == managerCommandTransportFactory)
{
Log.Warning("No command transport factory is defined for [<{request}, {response}>]",
typeof(TManagerCommandRequest).Name, typeof(TManagerCommandResponse).Name);
return(ManagerCommandResponse.Create <TManagerCommandResponse>(
CommandExecutionStatus.ExecutionFailed,
new CommandExecutionInternalErrorResult($"No command transport factory is defined for [{GetType().FullName}]")));
}
var managerCommandTransport = managerCommandTransportFactory.CreateCommandTransport();
if (null == managerCommandTransport)
{
Log.Warning("No command transport is defined for for [<{request}, {response}>]",
typeof(TManagerCommandRequest).Name, typeof(TManagerCommandResponse).Name);
return(ManagerCommandResponse.Create <TManagerCommandResponse>(
CommandExecutionStatus.ExecutionFailed,
new CommandExecutionInternalErrorResult($"No command transport is defined for [{GetType().FullName}]")));
}
try
{
var managerCommandResponse = await managerCommandTransport
.Request <TManagerCommandRequest, TManagerCommandResponse>(endpointConfiguration, request, cancellationToken)
.ConfigureAwait(false);
if (managerCommandResponse.CommandExecutionStatus == CommandExecutionStatus.Completed)
{
stopwatch?.Stop();
Log.Debug("Finished processing manager remote command [<{request}, {response}>] {duration}",
typeof(TManagerCommandRequest).Name, typeof(TManagerCommandResponse).Name, stopwatch?.Elapsed);
}
else
{
stopwatch?.Stop();
Log.Warning("Processing manager remote command [<{request}, {response}>]{duration} has failed with [{status}], [{message}]",
typeof(TManagerCommandRequest).Name, typeof(TManagerCommandResponse).Name, stopwatch?.Elapsed,
managerCommandResponse.CommandExecutionStatus, managerCommandResponse.CommandExecutionResult?.Description ?? "NULL");
}
return(managerCommandResponse);
}
catch (Exception ex)
{
Log.Error(ex, "An error has occurred during processing manager remote command [<{request}, {response}>] {duration}",
typeof(TManagerCommandRequest).Name, typeof(TManagerCommandResponse).Name, stopwatch?.Elapsed);
return(ManagerCommandResponse.Create <TManagerCommandResponse>(CommandExecutionStatus.InternalServerError, new CommandExecutionInternalErrorResult()));
}
}