Unity MessagePack CodeGen stuck on generate about messagepack-csharp

[cubed-it]

I'll try it out and give you feedback later

[cubed-it]

Hey there, I have analyzed my problem a little bit more. The mpc executable hangs in the background and when I end it via task manager, I get an output and the file is created.

I noticed that I have a lot of warnings in the output, e.g:

C:\Program Files\dotnet\sdk\6.0.405\Microsoft.Common.CurrentVersion.targets(2302,5): warning MSB3270: Conflict between the processor architecture of the project "MSIL" being created and the processor architecture of the reference, "Firebase.App", "x86". This conflict can lead to runtime errors. If necessary, use the Configuration Manager to change the processor architecture of your project specified as the target so that the processor architectures are aligned between your project and the references, or select a dependency of references with a processor architecture that corresponds to the processor architecture of your project specified as the target.

Therefore, the assumption was that the bug is related to the output. I therefore changed the code of MessagePackWindow.InvokeProcessStartAsync a little bit to read the output continuously instead of only at the exit. This solved the problem for me. :)

        public static Task<string> InvokeProcessStartAsync(string fileName, string arguments)
        {
            var psi = new ProcessStartInfo() {
                CreateNoWindow = true,
                WindowStyle = ProcessWindowStyle.Hidden,
                StandardOutputEncoding = Encoding.UTF8,
                StandardErrorEncoding = Encoding.UTF8,
                RedirectStandardOutput = true,
                RedirectStandardError = true,
                UseShellExecute = false,
                FileName = fileName,
                Arguments = arguments,
                WorkingDirectory = Application.dataPath
            };

            Process p;
            try {
                p = Process.Start(psi);
            } catch (Exception ex) {
                return Task.FromException<string>(ex);
            }

            var tcs = new TaskCompletionSource<string>();
            p.EnableRaisingEvents = true;
            var data = string.Empty;
            p.OutputDataReceived += (object sender, System.Diagnostics.DataReceivedEventArgs e) => {
                data += Environment.NewLine + e.Data;
            };
            p.BeginOutputReadLine();
            p.Exited += (object sender, System.EventArgs e) => {
                //var data = p.StandardOutput.ReadToEnd();
                p.Dispose();
                p = null;

                tcs.TrySetResult(data);
            };

            return tcs.Task;
        }

[AArnott]

mpc isn't particularly interesting any more. Can you try using the 2.6 beta's source generator instead?

[cubed-it]

So I have tried the v2.6.100-alpha package and see no difference. Was this package meant, or where do I have to look?

[AArnott]

It's the MessagePack.SourceGenerator package that I'm referring to. Is that what you tried?

[cubed-it]

No I have not tried that nuget. I am trying to start the generation directly from unity. The generation itself is successful, so the generation is not a problem and just working fine. The problem is just that the call of Process.Start does not complete if there is a lot of redirected console output.

[AArnott]

I'm not sure what redirected console output has to do with messagepack. And if you haven't tried the source generator yet, I'm not sure what new thing from 2.6 you tried, because we don't ship mpc in 2.6 I'm pretty sure. Merely switching to the 2.6 messagepack.dll itself won't change how codegen works.

[cubed-it]

never mind, thanks for your time