mirror of https://github.com/Radarr/Radarr
85 lines
2.9 KiB
C#
85 lines
2.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Runtime.Loader;
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using NzbDrone.Common.EnvironmentInfo;
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namespace NzbDrone.Common.Composition
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{
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public class AssemblyLoader
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{
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static AssemblyLoader()
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{
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AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(ContainerResolveEventHandler);
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}
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public static IList<Assembly> Load(IList<string> assemblyNames)
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{
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var toLoad = assemblyNames.ToList();
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toLoad.Add("Radarr.Common");
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toLoad.Add(OsInfo.IsWindows ? "Radarr.Windows" : "Radarr.Mono");
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var toRegisterResolver = new List<string> { "System.Data.SQLite" };
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toRegisterResolver.AddRange(assemblyNames.Intersect(new[] { "Radarr.Core" }));
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RegisterNativeResolver(toRegisterResolver);
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var startupPath = AppDomain.CurrentDomain.BaseDirectory;
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return toLoad
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.Select(x => AssemblyLoadContext.Default.LoadFromAssemblyPath(Path.Combine(startupPath, $"{x}.dll")))
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.ToList();
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}
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private static Assembly ContainerResolveEventHandler(object sender, ResolveEventArgs args)
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{
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var resolver = new AssemblyDependencyResolver(args.RequestingAssembly.Location);
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var assemblyPath = resolver.ResolveAssemblyToPath(new AssemblyName(args.Name));
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if (assemblyPath == null)
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{
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return null;
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}
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return AssemblyLoadContext.Default.LoadFromAssemblyPath(assemblyPath);
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}
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public static void RegisterNativeResolver(IEnumerable<string> assemblyNames)
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{
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foreach (var name in assemblyNames)
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{
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// This ensures we look for sqlite3 using libsqlite3.so.0 on Linux and not libsqlite3.so which
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// is less likely to exist.
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var assembly = AssemblyLoadContext.Default.LoadFromAssemblyPath(
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Path.Combine(AppDomain.CurrentDomain.BaseDirectory, $"{name}.dll"));
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try
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{
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NativeLibrary.SetDllImportResolver(assembly, LoadNativeLib);
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}
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catch (InvalidOperationException)
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{
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// This can only be set once per assembly
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// Catch required for NzbDrone.Host tests
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}
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}
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}
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private static IntPtr LoadNativeLib(string libraryName, Assembly assembly, DllImportSearchPath? dllImportSearchPath)
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{
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var mappedName = libraryName;
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if (OsInfo.IsLinux)
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{
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if (libraryName == "sqlite3")
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{
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mappedName = "libsqlite3.so.0";
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}
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}
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return NativeLibrary.Load(mappedName, assembly, dllImportSearchPath);
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}
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}
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}
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