Oculus auto VRC tester

OculusVRCTester.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
//using System.Diagnostics;
using System.IO;
using System;
#if UNITY_EDITOR
using UnityEditor;
#endif


public static class CliRunner
{
	//	returns the process exit code
	public static int Run(string ExeFilename,string Arguments,System.Action<byte[]> OnStdOut,System.Action<byte[]> OnStdErr=null,System.Func<bool> Continue=null)
	{
		//	fill in the auto-continue func if none provided
		if ( Continue == null )
			Continue = ()=>{return true; };

		var info = new System.Diagnostics.ProcessStartInfo(ExeFilename, Arguments);
		info.UseShellExecute = false;
		info.CreateNoWindow = false;

		info.RedirectStandardInput = false;
		info.RedirectStandardOutput = OnStdOut!=null;
		info.RedirectStandardError = OnStdErr!=null;

		var SubProcess = System.Diagnostics.Process.Start(info);
		
		System.Action<BinaryReader,System.Action<byte[]>> ReadAllOfStream = (BinaryStream,OnRead) =>
		{
			if ( BinaryStream == null )
				return;
			if ( OnRead == null )
				return;

			var Buffer = new byte[1024*10];

			//	allow external abort
			while ( Continue() )
			{
				var BytesRead = BinaryStream.Read(Buffer, 0, Buffer.Length);
				if (BytesRead == 0)
					break;

				if ( BytesRead < Buffer.Length )
				{
					var SmallBuffer = new byte[BytesRead];
					Array.Copy( Buffer, SmallBuffer, SmallBuffer.Length );
				}
				else
				{
					OnRead( Buffer );
				}
			}
		};

		
		var StdoutReader = OnStdOut!=null ? new BinaryReader(SubProcess.StandardOutput.BaseStream) : null;
		var StderrReader = OnStdErr!=null ? new BinaryReader(SubProcess.StandardError.BaseStream) : null;
		

		//	run until done
		try
		{
			while (!SubProcess.HasExited)
			{
				if ( !Continue() )
					throw new System.Exception("Aborted");

				ReadAllOfStream(StdoutReader, OnStdOut);
				ReadAllOfStream(StderrReader, OnStdErr);

				System.Threading.Thread.Sleep(1);
			}
		}
		catch(System.Exception e)
		{
			UnityEngine.Debug.LogException(e);
			SubProcess.Kill();
			throw;
		}

		var ExitCode = SubProcess.ExitCode;
		SubProcess.Close();
		SubProcess.Dispose();
		return ExitCode;
	}
	
}

//	has to be a monobehaviour for the menu items
public class OculusVRCTester 
{
#if UNITY_EDITOR
	[MenuItem("New Chromantics/Oculus/Verify Build with VRC")]
	public static void Verify_MenuItem()
	{
		var ExePath = EditorUtility.OpenFilePanel("Oculus Exe build", Application.dataPath, "exe");
		if ( string.IsNullOrEmpty(ExePath) )
			throw new System.Exception("User cancelled");
		Verify( ExePath );
	}
#endif

	const string VrcFilename = @"C:\Program Files\Oculus\Support\oculus-diagnostics\OculusVRCValidator.exe";

	public static void Verify(string AppExeFilename)
	{
		var StdOut = new List<byte>();
		System.Action<byte[]> EnumStdOut = (NewBytes) =>
		{
			StdOut.AddRange(NewBytes);
		};

		//	https://developer.oculus.com/documentation/pcsdk/latest/concepts/dg-vrcvalidator/
		//	gr: oculus guide says "cd into directory, then run", but it's not explicit. lets see if we can get away with not
		var Arguments = "--path ";
		//	gr: need to escape this?
		Arguments += AppExeFilename;

		var ExitCode = CliRunner.Run( VrcFilename, Arguments, EnumStdOut );

		Debug.Log("Exit code: " + ExitCode);
		var StdOutStr = System.Text.ASCIIEncoding.ASCII.GetString( StdOut.ToArray() );
		Debug.Log("stdout: " + StdOutStr );
	}


}