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More mono cleanup

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This commit is contained in:
ta264 2021-03-17 21:30:57 +00:00
parent 35ab21ab04
commit 1e0e8adc77
9 changed files with 4 additions and 438 deletions
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58
src/NzbDrone.Common/Http/Dispatchers/ManagedHttpDispatcher.cs
View file

@ -35,19 +35,10 @@ public HttpResponse GetResponse(HttpRequest request, CookieContainer cookies)
{
var webRequest = (HttpWebRequest)WebRequest.Create((Uri)request.Url);
if (PlatformInfo.IsMono && request.ResponseStream == null)
{
// On Mono GZipStream/DeflateStream leaks memory if an exception is thrown, use an intermediate buffer in that case.
webRequest.AutomaticDecompression = DecompressionMethods.None;
webRequest.Headers.Add("Accept-Encoding", "gzip");
}
else
{
// Deflate is not a standard and could break depending on implementation.
// we should just stick with the more compatible Gzip
//http://stackoverflow.com/questions/8490718/how-to-decompress-stream-deflated-with-java-util-zip-deflater-in-net
webRequest.AutomaticDecompression = DecompressionMethods.GZip;
}
// Deflate is not a standard and could break depending on implementation.
// we should just stick with the more compatible Gzip
//http://stackoverflow.com/questions/8490718/how-to-decompress-stream-deflated-with-java-util-zip-deflater-in-net
webRequest.AutomaticDecompression = DecompressionMethods.GZip;
webRequest.Method = request.Method.ToString();
webRequest.UserAgent = _userAgentBuilder.GetUserAgent(request.UseSimplifiedUserAgent);
@ -104,9 +95,6 @@ public HttpResponse GetResponse(HttpRequest request, CookieContainer cookies)
if (httpWebResponse == null)
{
// Workaround for mono not closing connections properly in certain situations.
AbortWebRequest(webRequest);
// The default messages for WebException on mono are pretty horrible.
if (e.Status == WebExceptionStatus.NameResolutionFailure)
{
@ -147,12 +135,6 @@ public HttpResponse GetResponse(HttpRequest request, CookieContainer cookies)
else
{
data = responseStream.ToBytes();
if (PlatformInfo.IsMono && httpWebResponse.ContentEncoding == "gzip")
{
data = data.Decompress();
httpWebResponse.Headers.Remove("Content-Encoding");
}
}
}
catch (Exception ex)
@ -262,37 +244,5 @@ protected virtual void AddRequestHeaders(HttpWebRequest webRequest, HttpHeader h
}
}
}
// Workaround for mono not closing connections properly on timeouts
private void AbortWebRequest(HttpWebRequest webRequest)
{
// First affected version was mono 5.16
if (OsInfo.IsNotWindows && _platformInfo.Version >= new Version(5, 16))
{
try
{
var currentOperationInfo = webRequest.GetType().GetField("currentOperation", BindingFlags.NonPublic | BindingFlags.Instance);
var currentOperation = currentOperationInfo.GetValue(webRequest);
if (currentOperation != null)
{
var responseStreamInfo = currentOperation.GetType().GetField("responseStream", BindingFlags.NonPublic | BindingFlags.Instance);
var responseStream = responseStreamInfo.GetValue(currentOperation) as Stream;
// Note that responseStream will likely be null once mono fixes it.
responseStream?.Dispose();
}
}
catch (Exception ex)
{
// This can fail randomly on future mono versions that have been changed/fixed. Log to sentry and ignore.
_logger.Trace()
.Exception(ex)
.Message("Unable to dispose responseStream on mono {0}", _platformInfo.Version)
.WriteSentryWarn("MonoCloseWaitPatchFailed", ex.Message)
.Write();
}
}
}
}
}

20
src/NzbDrone.Common/Http/NzbDroneWebClient.cs
View file

@ -1,20 +0,0 @@
using System;
using System.Net;
namespace NzbDrone.Common.Http
{
public class NzbDroneWebClient : WebClient
{
protected override WebRequest GetWebRequest(Uri address)
{
var request = base.GetWebRequest(address);
if (request is HttpWebRequest)
{
((HttpWebRequest)request).KeepAlive = false;
((HttpWebRequest)request).ServicePoint.Expect100Continue = false;
}
return request;
}
}
}

63
src/NzbDrone.Core.Test/HealthCheck/Checks/MonoDebugCheckFixture.cs
View file

@ -1,63 +0,0 @@
using NUnit.Framework;
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Core.HealthCheck.Checks;
using NzbDrone.Core.Test.Framework;
using NzbDrone.Test.Common;
using static NzbDrone.Core.HealthCheck.Checks.MonoDebugCheck;
namespace NzbDrone.Core.Test.HealthCheck.Checks
{
[TestFixture]
public class MonoDebugCheckFixture : CoreTest<MonoDebugCheck>
{
private void GivenHasStackFrame(bool hasStackFrame)
{
Mocker.GetMock<StackFrameHelper>()
.Setup(f => f.HasStackFrameInfo())
.Returns(hasStackFrame);
}
[Test]
public void should_return_ok_if_not_mono()
{
if (PlatformInfo.IsMono)
{
throw new IgnoreException("non mono specific test");
}
Subject.Check().ShouldBeOk();
}
[Test]
public void should_return_ok_if_not_debug()
{
MonoOnly();
GivenHasStackFrame(false);
Subject.Check().ShouldBeOk();
}
[Test]
public void should_log_warning_if_not_debug()
{
MonoOnly();
GivenHasStackFrame(false);
Subject.Check();
ExceptionVerification.ExpectedWarns(1);
}
[Test]
public void should_return_ok_if_debug()
{
MonoOnly();
GivenHasStackFrame(true);
Subject.Check().ShouldBeOk();
}
}
}

42
src/NzbDrone.Core.Test/HealthCheck/Checks/MonoNotNetCoreCheckFixture.cs
View file

@ -1,42 +0,0 @@
using System.Collections.Generic;
using NUnit.Framework;
using NzbDrone.Common.Processes;
using NzbDrone.Core.HealthCheck.Checks;
using NzbDrone.Core.Test.Framework;
namespace NzbDrone.Core.Test.HealthCheck.Checks
{
[TestFixture]
public class MonoNotNetCoreCheckFixture : CoreTest<MonoNotNetCoreCheck>
{
[Test]
[Platform(Exclude = "Mono")]
public void should_return_ok_if_net_core()
{
Subject.Check().ShouldBeOk();
}
[Test]
[Platform("Mono")]
public void should_log_warning_if_mono()
{
Subject.Check().ShouldBeWarning();
}
[Test]
[Platform("Mono")]
public void should_return_ok_if_bsd()
{
Mocker.GetMock<IProcessProvider>()
.Setup(x => x.StartAndCapture("uname", null, null))
.Returns(new ProcessOutput
{
Lines = new List<ProcessOutputLine>
{
new ProcessOutputLine(ProcessOutputLevel.Standard, "FreeBSD")
}
});
Subject.Check().ShouldBeOk();
}
}
}

68
src/NzbDrone.Core.Test/HealthCheck/Checks/MonoVersionCheckFixture.cs
View file

@ -1,68 +0,0 @@
using System;
using NUnit.Framework;
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Core.HealthCheck.Checks;
using NzbDrone.Core.Test.Framework;
namespace NzbDrone.Core.Test.HealthCheck.Checks
{
[TestFixture]
public class MonoVersionCheckFixture : CoreTest<MonoVersionCheck>
{
private void GivenOutput(string version)
{
MonoOnly();
Mocker.GetMock<IPlatformInfo>()
.SetupGet(s => s.Version)
.Returns(new Version(version));
}
[TestCase("5.20")]
public void should_return_ok(string version)
{
GivenOutput(version);
Subject.Check().ShouldBeOk();
}
public void should_return_notice(string version)
{
GivenOutput(version);
Subject.Check().ShouldBeNotice();
}
public void should_return_warning(string version)
{
GivenOutput(version);
Subject.Check().ShouldBeWarning();
}
[TestCase("2.10.2")]
[TestCase("2.10.8.1")]
[TestCase("3.0.0.1")]
[TestCase("3.2.0.1")]
[TestCase("3.2.1")]
[TestCase("3.2.7")]
[TestCase("3.6.1")]
[TestCase("3.8")]
[TestCase("3.10")]
[TestCase("4.0.0.0")]
[TestCase("4.2")]
[TestCase("4.4.0")]
[TestCase("4.4.1")]
[TestCase("4.6.2")]
[TestCase("5.4")]
[TestCase("5.8")]
[TestCase("5.16")]
[TestCase("5.18")]
public void should_return_error(string version)
{
GivenOutput(version);
Subject.Check().ShouldBeError();
}
}
}

47
src/NzbDrone.Core/HealthCheck/Checks/MonoDebugCheck.cs
View file

@ -1,47 +0,0 @@
using System.Diagnostics;
using NLog;
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Common.Extensions;
namespace NzbDrone.Core.HealthCheck.Checks
{
public class MonoDebugCheck : HealthCheckBase
{
private readonly Logger _logger;
private readonly StackFrameHelper _stackFrameHelper;
public override bool CheckOnSchedule => false;
public MonoDebugCheck(Logger logger, StackFrameHelper stackFrameHelper)
{
_logger = logger;
_stackFrameHelper = stackFrameHelper;
}
public class StackFrameHelper
{
public virtual bool HasStackFrameInfo()
{
var stackTrace = new StackTrace(true);
return stackTrace.FrameCount > 0 && stackTrace.GetFrame(0).GetFileName().IsNotNullOrWhiteSpace();
}
}
public override HealthCheck Check()
{
if (!PlatformInfo.IsMono)
{
return new HealthCheck(GetType());
}
if (!_stackFrameHelper.HasStackFrameInfo())
{
_logger.Warn("Mono is not running with --debug switch");
return new HealthCheck(GetType());
}
return new HealthCheck(GetType());
}
}
}

57
src/NzbDrone.Core/HealthCheck/Checks/MonoNotNetCoreCheck.cs
View file

@ -1,57 +0,0 @@
using System.Linq;
using System.Runtime.InteropServices;
using NLog;
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Common.Processes;
namespace NzbDrone.Core.HealthCheck.Checks
{
public class MonoNotNetCoreCheck : HealthCheckBase
{
private static string[] MonoUnames = new string[] { "FreeBSD", "OpenBSD", "MidnightBSD", "NetBSD" };
private readonly IOsInfo _osInfo;
private readonly IProcessProvider _processProvider;
public MonoNotNetCoreCheck(IOsInfo osInfo,
IProcessProvider processProvider,
Logger logger)
{
_osInfo = osInfo;
_processProvider = processProvider;
}
public override HealthCheck Check()
{
if (!PlatformInfo.IsMono)
{
return new HealthCheck(GetType());
}
// Don't warn on arm based synology - could be arm5 or something else rubbish
if (_osInfo.Name == "DSM" && RuntimeInformation.ProcessArchitecture == Architecture.Arm)
{
return new HealthCheck(GetType());
}
// Don't warn on linux x86 - we don't build x86 net core
if (OsInfo.IsLinux && RuntimeInformation.ProcessArchitecture == Architecture.X86)
{
return new HealthCheck(GetType());
}
// Check for BSD
var output = _processProvider.StartAndCapture("uname");
if (output?.ExitCode == 0 && MonoUnames.Contains(output?.Lines.First().Content))
{
return new HealthCheck(GetType());
}
return new HealthCheck(GetType(),
HealthCheckResult.Warning,
"Please upgrade to the .NET Core version of Readarr",
"#update-to-net-core-version");
}
public override bool CheckOnSchedule => false;
}
}

44
src/NzbDrone.Core/HealthCheck/Checks/MonoTlsCheck.cs
View file

@ -1,44 +0,0 @@
using System;
using NLog;
using NLog.Fluent;
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Common.Instrumentation.Extensions;
namespace NzbDrone.Core.HealthCheck.Checks
{
public class MonoTlsCheck : HealthCheckBase
{
private readonly IPlatformInfo _platformInfo;
private readonly Logger _logger;
public MonoTlsCheck(IPlatformInfo platformInfo, Logger logger)
{
_platformInfo = platformInfo;
_logger = logger;
}
public override HealthCheck Check()
{
if (!PlatformInfo.IsMono)
{
return new HealthCheck(GetType());
}
var monoVersion = _platformInfo.Version;
if (monoVersion >= new Version("5.8.0") && Environment.GetEnvironmentVariable("MONO_TLS_PROVIDER") == "legacy")
{
_logger.Debug()
.Message("Mono version {0} and legacy TLS provider is selected, recommending user to switch to btls.", monoVersion)
.WriteSentryDebug("LegacyTlsProvider", monoVersion.ToString())
.Write();
return new HealthCheck(GetType(), HealthCheckResult.Warning, "Readarr Mono 4.x tls workaround still enabled, consider removing MONO_TLS_PROVIDER=legacy environment option");
}
return new HealthCheck(GetType());
}
public override bool CheckOnSchedule => false;
}
}

43
src/NzbDrone.Core/HealthCheck/Checks/MonoVersionCheck.cs
View file

@ -1,43 +0,0 @@
using System;
using NLog;
using NzbDrone.Common.EnvironmentInfo;
namespace NzbDrone.Core.HealthCheck.Checks
{
public class MonoVersionCheck : HealthCheckBase
{
private readonly IPlatformInfo _platformInfo;
private readonly Logger _logger;
public MonoVersionCheck(IPlatformInfo platformInfo, Logger logger)
{
_platformInfo = platformInfo;
_logger = logger;
}
public override HealthCheck Check()
{
if (!PlatformInfo.IsMono)
{
return new HealthCheck(GetType());
}
var monoVersion = _platformInfo.Version;
// Currently best stable Mono version (5.18 gets us .net 4.7.2 support)
var bestVersion = new Version("5.20");
if (monoVersion >= bestVersion)
{
_logger.Debug("Mono version is {0} or better: {1}", bestVersion, monoVersion);
return new HealthCheck(GetType());
}
return new HealthCheck(GetType(),
HealthCheckResult.Error,
$"Currently installed Mono version {monoVersion} is old and unsupported. Please upgrade Mono to version {bestVersion}.",
"#currently_installed_mono_version_is_old_and_unsupported");
}
public override bool CheckOnSchedule => false;
}
}