private async Task <TResponse> PerformOperationAsync <TResponse>(
IGrpcRequest request,
Func <ServiceOperationContext, Task <TResponse> > taskFunc,
CancellationToken token,
[CallerMemberName] string operation = null) where TResponse : IGrpcResponse, new()
{
var stopwatch = StopwatchSlim.Start();
DateTime startTime = DateTime.UtcNow;
var cacheContext = new OperationContext(new Context(new Guid(request.Header.TraceId), Logger), token);
var sessionId = request.Header.SessionId;
if (!_cacheSessionHandler.TryGetSession(sessionId, out var session))
{
return(failure($"Could not find session for session ID {sessionId}"));
}
await Task.Yield();
try
{
var serviceOperationContext = new ServiceOperationContext(session, cacheContext, startTime);
var result = await taskFunc(serviceOperationContext);
if (result.Header == null)
{
result.Header = ResponseHeader.Success(startTime);
}
Logger.Info($"GRPC server operation '{operation}' succeeded by {stopwatch.Elapsed.TotalMilliseconds}ms.");
return(result);
}
catch (TaskCanceledException)
{
Logger.Info($"GRPC server operation '{operation}' is canceled by {stopwatch.Elapsed.TotalMilliseconds}ms.");
return(failure("The operation was canceled."));
}
catch (ResultPropagationException e)
{
Logger.Error(e, $"GRPC server operation '{operation}' failed by {stopwatch.Elapsed.TotalMilliseconds}ms. Error: {e}");
return(new TResponse {
Header = ResponseHeader.Failure(startTime, e.Result.ErrorMessage, e.Result.Diagnostics)
});
}
catch (Exception e)
{
Logger.Error(e, $"GRPC server operation '{operation}' failed by {stopwatch.Elapsed.TotalMilliseconds}ms. Error: {e}");
return(failure(e.ToString()));
}
TResponse failure(string errorMessage) => new TResponse
{
Header = ResponseHeader.Failure(startTime, errorMessage)
};
}
private async Task <TResponse> PerformOperationAsync <TResponse>(
IGrpcRequest request,
Func <ServiceOperationContext, Task <TResponse> > taskFunc,
CancellationToken token,
[CallerMemberName] string operation = null !) where TResponse : IGrpcResponse, new()
{
var sw = StopwatchSlim.Start();
DateTime startTime = DateTime.UtcNow;
using var shutdownTracker = TrackShutdown(new OperationContext(new Context(new Guid(request.Header.TraceId), Logger), token), token);
var tracingContext = shutdownTracker.Context;
var sessionId = request.Header.SessionId;
if (!_cacheSessionHandler.TryGetSession(sessionId, out var session))
{
return(failure($"Could not find session for session ID {sessionId}"));
}
await Task.Yield();
try
{
var serviceOperationContext = new ServiceOperationContext(session, tracingContext, startTime);
TraceGrpcOperationStarted(tracingContext, enabled: TraceGrpcOperations, operation, sessionId);
var result = await taskFunc(serviceOperationContext);
if (result.Header == null)
{
result.Header = ResponseHeader.Success(startTime);
}
TraceGrpcOperationFinished(tracingContext, enabled: TraceGrpcOperations, operation, sw.Elapsed, sessionId);
return(result);
}
catch (TaskCanceledException e)
{
var message = GetLogMessage(e, operation, sessionId);
Tracer.OperationFinished(tracingContext, FromException(e), sw.Elapsed, message, operation);
return(failure(message));
}
catch (ResultPropagationException e)
{
var message = GetLogMessage(e, operation, sessionId);
Tracer.OperationFinished(tracingContext, FromException(e), sw.Elapsed, message, operation);
return(new TResponse {
Header = ResponseHeader.Failure(startTime, e.Result.ErrorMessage, e.Result.Diagnostics)
});
}
catch (Exception e)
{
var message = GetLogMessage(e, operation, sessionId);
Tracer.OperationFinished(tracingContext, FromException(e), sw.Elapsed, message, operation);
return(failure(e.ToString()));
}
TResponse failure(string errorMessage) => new TResponse
{
Header = ResponseHeader.Failure(startTime, errorMessage)
};
}