Joseph Doherty
40 lines
1.9 KiB
C#
40 lines
1.9 KiB
C#
using System.Diagnostics;
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using System.Runtime;
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using System.Security.Cryptography;
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using System.Security.Cryptography.X509Certificates;
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using System.Text.Json;
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using Opc.Ua.Security.Certificates;
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var mode = args[0];
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var directory = args[1];
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Directory.CreateDirectory(directory);
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using var key = RSA.Create(2048);
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var request = new CertificateRequest("CN=NativeMemoryControl", key, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
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var original = request.CreateSelfSigned(DateTimeOffset.UtcNow.AddDays(-1), DateTimeOffset.UtcNow.AddDays(1));
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var pfx = original.Export(X509ContentType.Pfx);
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// Certificate.From takes ownership of original; only wrapped disposes that native certificate.
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using var wrapped = Certificate.From(original);
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void Sample(int i, string kind)
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{
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var live = GC.GetTotalMemory(true);
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GC.WaitForPendingFinalizers();
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using var p = Process.GetCurrentProcess();
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p.Refresh();
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Console.WriteLine(JsonSerializer.Serialize(new { kind, i, pid = Environment.ProcessId, mode, live, rss = p.WorkingSet64, methods = JitInfo.GetCompiledMethodCount(), gc = GC.GetGCMemoryInfo().TotalCommittedBytes }));
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Console.Out.Flush();
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}
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Sample(0, "ready");
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while (!File.Exists(Path.Combine(directory, "go"))) Thread.Sleep(50);
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for (int i = 1; i <= 1000; i++)
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{
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using X509Certificate2 copy = mode switch
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{
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"pfx" => System.Security.Cryptography.X509Certificates.X509CertificateLoader.LoadPkcs12(pfx, null, X509KeyStorageFlags.Exportable),
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"sdk-copy" => wrapped.AsX509Certificate2(),
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"shared-copy" => (X509Certificate2)typeof(X509Certificate2).GetConstructor(new[] { typeof(X509Certificate) })!.Invoke(new object[] { original }),
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_ => System.Security.Cryptography.X509Certificates.X509CertificateLoader.LoadCertificate(original.RawData)
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};
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if (i % 100 == 0) Sample(i, "sample");
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}
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Sample(1000, "done");
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while (!File.Exists(Path.Combine(directory, "stop"))) Thread.Sleep(50);
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