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