private static T TryExecute <T>(Func <ITrackCancel, T> func,
TrackCancellationToken trackCancellationToken,
string methodName)
{
T response = default;
try
{
response = func(trackCancellationToken);
}
catch (Exception e)
{
_msg.Error($"Error in {methodName}", e);
trackCancellationToken.Exception = e;
}
return(response);
}
public static async Task <T> ExecuteServiceCall <T>(
Func <ITrackCancel, T> func,
ServerCallContext serverCallContext,
TaskScheduler taskScheduler,
bool throwException = false)
{
CancellationToken cancellationToken = serverCallContext.CancellationToken;
string methodName = serverCallContext.Method;
var trackCancellationToken = new TrackCancellationToken(cancellationToken);
T result =
await Task.Factory.StartNew(
() => TryExecute(func, trackCancellationToken, methodName),
cancellationToken, TaskCreationOptions.LongRunning, taskScheduler);
if (throwException && trackCancellationToken.Exception != null)
{
ThrowExceptionToClient(trackCancellationToken.Exception);
}
return(result);
}