playtest-unity/playtest/Library/PackageCache/com.unity.ide.visualstudio@.../Editor/ProcessRunner.cs

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2023-06-19 23:21:21 -04:00
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
using System;
using System.Diagnostics;
using System.Text;
using System.Threading.Tasks;
namespace Microsoft.Unity.VisualStudio.Editor
{
internal class ProcessRunnerResult
{
public bool Success { get; set; }
public string Output { get; set; }
public string Error { get; set; }
}
internal static class ProcessRunner
{
public const int DefaultTimeoutInMilliseconds = 300000;
public static ProcessStartInfo ProcessStartInfoFor(string filename, string arguments)
{
return new ProcessStartInfo
{
UseShellExecute = false,
CreateNoWindow = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
FileName = filename,
Arguments = arguments
};
}
public static ProcessRunnerResult StartAndWaitForExit(string filename, string arguments, int timeoutms = DefaultTimeoutInMilliseconds, Action<string> onOutputReceived = null)
{
return StartAndWaitForExit(ProcessStartInfoFor(filename, arguments), timeoutms, onOutputReceived);
}
public static ProcessRunnerResult StartAndWaitForExit(ProcessStartInfo processStartInfo, int timeoutms = DefaultTimeoutInMilliseconds, Action<string> onOutputReceived = null)
{
var process = new Process { StartInfo = processStartInfo };
using (process)
{
var sbOutput = new StringBuilder();
var sbError = new StringBuilder();
var outputSource = new TaskCompletionSource<bool>();
var errorSource = new TaskCompletionSource<bool>();
process.OutputDataReceived += (_, e) =>
{
Append(sbOutput, e.Data, outputSource);
if (onOutputReceived != null && e.Data != null)
onOutputReceived(e.Data);
};
process.ErrorDataReceived += (_, e) => Append(sbError, e.Data, errorSource);
process.Start();
process.BeginOutputReadLine();
process.BeginErrorReadLine();
var run = Task.Run(() => process.WaitForExit(timeoutms));
var processTask = Task.WhenAll(run, outputSource.Task, errorSource.Task);
if (Task.WhenAny(Task.Delay(timeoutms), processTask).Result == processTask && run.Result)
return new ProcessRunnerResult {Success = true, Error = sbError.ToString(), Output = sbOutput.ToString()};
try
{
process.Kill();
}
catch
{
/* ignore */
}
return new ProcessRunnerResult {Success = false, Error = sbError.ToString(), Output = sbOutput.ToString()};
}
}
private static void Append(StringBuilder sb, string data, TaskCompletionSource<bool> taskSource)
{
if (data == null)
{
taskSource.SetResult(true);
return;
}
sb?.Append(data);
}
}
}