private static Assembly GetRuntimeAssembly(string name)
{
var path = Assembly.GetEntryAssembly().Location;
var library = DependencyContext.Default.RuntimeLibraries.Where(x => x.Name.ToLower() == name.ToLower()).FirstOrDefault();
if (library == null)
{
return null;
}
var r = new CompositeCompilationAssemblyResolver(new ICompilationAssemblyResolver[]
{
new AppBaseCompilationAssemblyResolver(Path.GetDirectoryName(path)),
new ReferenceAssemblyPathResolver(),
new PackageCompilationAssemblyResolver()
});
var wrapper = new CompilationLibrary(
library.Type,
library.Name,
library.Version,
library.Hash,
library.RuntimeAssemblyGroups.SelectMany(g => g.AssetPaths),
library.Dependencies,
library.Serviceable);
var assemblies = new List<string>();
r.TryResolveAssemblyPaths(wrapper, assemblies);
if (assemblies.Count > 0)
{
return AssemblyLoadContext.Default.LoadFromAssemblyPath(assemblies[0]);
}
else
{
return null;
}
}
public void PopulatedAssemblies()
{
var fail = new Mock <ICompilationAssemblyResolver>();
var success = new Mock <ICompilationAssemblyResolver>();
success.Setup(r => r.TryResolveAssemblyPaths(It.IsAny <CompilationLibrary>(), It.IsAny <List <string> >()))
.Returns(true)
.Callback((CompilationLibrary l, List <string> a) =>
{
a.Add("Assembly");
});
var resolvers = new[]
{
fail.Object,
success.Object
};
var assemblies = new List <string>();
var library = TestLibraryFactory.Create();
var resolver = new CompositeCompilationAssemblyResolver(resolvers);
var result = resolver.TryResolveAssemblyPaths(library, assemblies);
assemblies.Should().Contain("Assembly");
}
private Assembly LoadAssembly(string path)
{
if (this.assembliesByPath.ContainsKey(path))
{
return(this.assembliesByPath[path]);
}
var loadContext = AssemblyLoadContext.GetLoadContext(this.GetType().GetTypeInfo().Assembly);
var assembly = loadContext.LoadFromAssemblyPath(path);
var newDependencyContext = DependencyContext.Load(assembly);
if (newDependencyContext != null)
{
this.dependencyContext = this.dependencyContext.Merge(newDependencyContext);
}
var basePath = Path.GetDirectoryName(path);
if (!this.directoriesWithResolver.Contains(basePath))
{
this.assemblyResolver = new CompositeCompilationAssemblyResolver(new ICompilationAssemblyResolver[]
{
new AppBaseCompilationAssemblyResolver(basePath),
this.assemblyResolver,
});
this.directoriesWithResolver.Add(basePath);
}
this.assembliesByPath.Add(path, assembly);
return(assembly);
}
public void ReturnsFirstSuccessfulResolve()
{
var fail = new Mock <ICompilationAssemblyResolver>();
var success = new Mock <ICompilationAssemblyResolver>();
success.Setup(r => r.TryResolveAssemblyPaths(It.IsAny <CompilationLibrary>(), It.IsAny <List <string> >()))
.Returns(true);
var failTwo = new Mock <ICompilationAssemblyResolver>();
var resolvers = new[]
{
fail.Object,
success.Object,
failTwo.Object
};
var resolver = new CompositeCompilationAssemblyResolver(resolvers);
var result = resolver.TryResolveAssemblyPaths(null, null);
Assert.True(result);
fail.Verify(r => r.TryResolveAssemblyPaths(It.IsAny <CompilationLibrary>(), It.IsAny <List <string> >()),
Times.Once());
success.Verify(r => r.TryResolveAssemblyPaths(It.IsAny <CompilationLibrary>(), It.IsAny <List <string> >()),
Times.Once());
failTwo.Verify(r => r.TryResolveAssemblyPaths(It.IsAny <CompilationLibrary>(), It.IsAny <List <string> >()),
Times.Never());
}
public void PassesLibraryToAllResolvers()
{
var fail = new Mock <ICompilationAssemblyResolver>();
var failTwo = new Mock <ICompilationAssemblyResolver>();
var resolvers = new[]
{
fail.Object,
failTwo.Object
};
var library = new CompilationLibrary(
string.Empty,
string.Empty,
string.Empty,
string.Empty,
Enumerable.Empty <string>(),
Enumerable.Empty <Dependency>(),
false);
var resolver = new CompositeCompilationAssemblyResolver(resolvers);
var result = resolver.TryResolveAssemblyPaths(library, null);
fail.Verify(r => r.TryResolveAssemblyPaths(library, null), Times.Once());
failTwo.Verify(r => r.TryResolveAssemblyPaths(library, null), Times.Once());
}
private static T GetInstanceContextPackageAssemblyNong <T>(Type clientType, string authorizationHeader, IConfigProvider configProvider,
ClientConfiguration.ClientAdapter clientadapter = ClientConfiguration.ClientAdapter.Proxy) where T : class
{
try
{
var appDirecotry = PlatformServices.Default.Application.ApplicationBasePath;
var appName = PlatformServices.Default.Application.ApplicationName + ".dll";
var direcotry = appDirecotry + appName;
var info2 = DependencyContext.Default.RuntimeLibraries.FirstOrDefault(x => x.Name.Contains("CotorraNube.CotoRRA.Standard.ProxyClient"));
var Assembly = AssemblyLoadContext.Default.LoadFromAssemblyPath(direcotry);
var assemblyResolver = new CompositeCompilationAssemblyResolver
(new ICompilationAssemblyResolver[]
{
new AppBaseCompilationAssemblyResolver(Path.GetDirectoryName(direcotry)),
new ReferenceAssemblyPathResolver(),
new PackageCompilationAssemblyResolver()
});
var loadContext = AssemblyLoadContext.GetLoadContext(Assembly);
if (info2 != null)
{
var wrapper = new CompilationLibrary(
info2.Type,
info2.Name,
info2.Version,
info2.Hash,
info2.RuntimeAssemblyGroups.SelectMany(g => g.AssetPaths),
info2.Dependencies,
info2.Serviceable);
var assemblies = new List <string>();
assemblyResolver.TryResolveAssemblyPaths(wrapper, assemblies);
if (assemblies.Count > 0)
{
var res = loadContext.LoadFromAssemblyPath(assemblies[0]);
Type type = res.GetType(clientType.FullName + clientadapter.ToString());
if (configProvider != null)
{
return(Activator.CreateInstance(type, authorizationHeader, configProvider) as T);
}
else
{
return(Activator.CreateInstance(type, authorizationHeader) as T);
}
}
}
}
catch (Exception ex)
{
throw new InvalidOperationException("Client adapter not found", ex);
}
return(null);
}
/// <summary>
/// Initializes a new instance of the <see cref="CompilationGenerator"/> class
/// with default dependency resolution and loading.
/// </summary>
public CompilationGenerator()
{
this.assemblyResolver = new CompositeCompilationAssemblyResolver(new ICompilationAssemblyResolver[]
{
new ReferenceAssemblyPathResolver(),
new PackageCompilationAssemblyResolver(),
});
this.dependencyContext = DependencyContext.Default;
var loadContext = AssemblyLoadContext.GetLoadContext(this.GetType().GetTypeInfo().Assembly);
loadContext.Resolving += this.ResolveAssembly;
}
private static IEnumerable <string> TryLoadDeps(string source)
{
source = Path.GetFullPath(source);
var deps = Path.ChangeExtension(source, ".deps.json");
if (!File.Exists(deps))
{
log.Trace($"Assembly {source} does not have a deps file");
return(Enumerable.Empty <string>());
}
DependencyContext context;
using (var stream = File.OpenRead(deps))
{
context = new DependencyContextJsonReader().Read(stream);
}
if (context == null)
{
return(Enumerable.Empty <string>());
}
var resolver = new CompositeCompilationAssemblyResolver
(new ICompilationAssemblyResolver[]
{
new AppBaseCompilationAssemblyResolver(Path.GetDirectoryName(source)),
new ReferenceAssemblyPathResolver(),
new PackageCompilationAssemblyResolver()
});
var assemblies = new List <string>();
foreach (var lib in context.RuntimeLibraries)
{
var cl = new CompilationLibrary(lib.Type, lib.Name, lib.Version, lib.Hash,
lib.RuntimeAssemblyGroups.SelectMany(g => g.AssetPaths), lib.Dependencies, lib.Serviceable, lib.Path, lib.HashPath);
resolver.TryResolveAssemblyPaths(cl, assemblies);
}
var index = assemblies.FindIndex(v => source.Equals(v, StringComparison.OrdinalIgnoreCase));
if (index > -1)
{
assemblies.RemoveAt(index);
}
return(assemblies);
}
public Assembly LoadLibrary(string library)
{
Assembly assembly;
if (library.EndsWith(".dll"))
{
assembly = LoadFromAssemblyPath(library);
}
else
{
assembly = LoadFromAssemblyName(new AssemblyName(library));
}
DependencyContext?dependencyContext = DependencyContext.Load(assembly);
var resolver = new CompositeCompilationAssemblyResolver(new ICompilationAssemblyResolver[]
{
new AppBaseCompilationAssemblyResolver(Path.GetDirectoryName(library)),
new ReferenceAssemblyPathResolver(),
new PackageCompilationAssemblyResolver(),
});
Assembly?_OnResolving(AssemblyLoadContext context, AssemblyName name)
{
if (dependencyContext == null)
{
return(null);
}
RuntimeLibrary library = dependencyContext.RuntimeLibraries.FirstOrDefault(rl => rl.Name.Equals(name.Name, StringComparison.OrdinalIgnoreCase));
if (library != null)
{
var wrapper = new CompilationLibrary(library.Type, library.Name, library.Version, library.Hash,
library.RuntimeAssemblyGroups.SelectMany(rag => rag.AssetPaths), library.Dependencies, library.Serviceable);
var assemblies = new List <string>();
resolver.TryResolveAssemblyPaths(wrapper, assemblies);
if (assemblies.Count > 0)
{
return(LoadFromAssemblyPath(assemblies[0]));
}
}
return(null);
}
Resolving += _OnResolving;
return(assembly);
}
private void AssemblyDependencyResolver(string path)
{
//AssemblyLoadContext.Default.LoadFromAssemblyName(assembly);
var assembly = AssemblyLoadContext.Default.LoadFromAssemblyPath(path);
var dependencyContext = DependencyContext.Load(assembly);
var assemblyResolver = new CompositeCompilationAssemblyResolver
(new ICompilationAssemblyResolver[]
{
new AppBaseCompilationAssemblyResolver(Path.GetDirectoryName(path)),
new ReferenceAssemblyPathResolver(),
new PackageCompilationAssemblyResolver()
});
var loadContext = AssemblyLoadContext.GetLoadContext(assembly);
dependencyContext?.RuntimeLibraries.ToList().ForEach(x =>
{
var loadedAssemblies = AppDomain.CurrentDomain.GetAssemblies().ToList();
var loadedPaths = loadedAssemblies.Select(a => a.Location).ToArray();
foreach (var compilationLibrary in dependencyContext.CompileLibraries.Where(y => y.Name.StartsWith("Jimu")))
{
if (!loadedPaths.Select(z => Path.GetFileNameWithoutExtension(z)).ToList().Contains(compilationLibrary.Name, StringComparer.InvariantCultureIgnoreCase))
{
Console.WriteLine($"dynamic load {compilationLibrary.Name}");
RuntimeLibrary library = dependencyContext.RuntimeLibraries.FirstOrDefault(runtime => runtime.Name == compilationLibrary.Name);
var wrapper = new CompilationLibrary(
library.Type,
library.Name,
library.Version,
library.Hash,
library.RuntimeAssemblyGroups.SelectMany(g => g.AssetPaths),
library.Dependencies,
library.Serviceable);
var assemblies = new List <string>();
assemblyResolver.TryResolveAssemblyPaths(wrapper, assemblies);
if (assemblies.Count > 0)
{
loadContext.LoadFromAssemblyPath(assemblies[0]);
}
}
//DependencyDLL[library.Name] = cb;
}
});
}
private static IEnumerable <string> GetKnownDependencies(string addinPath)
{
var retval = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
var deps = Path.ChangeExtension(addinPath, ".deps.json");
DependencyContext context;
using (var stream = File.OpenRead(deps))
{
context = new DependencyContextJsonReader().Read(stream);
}
if (context == null)
{
return(Enumerable.Empty <string>());
}
var resolver = new CompositeCompilationAssemblyResolver
(new ICompilationAssemblyResolver[]
{
new AppBaseCompilationAssemblyResolver(Path.GetDirectoryName(addinPath)),
new ReferenceAssemblyPathResolver(),
new PackageCompilationAssemblyResolver()
});
var rid = Microsoft.DotNet.PlatformAbstractions.RuntimeEnvironment.GetRuntimeIdentifier();
var rids = new[] { rid };
var fallbacks = context.RuntimeGraph.FirstOrDefault(f => f.Runtime == rid);
if (fallbacks != null)
{
rids = rids.Concat(fallbacks.Fallbacks).ToArray();
}
var assemblies = new List <string>();
foreach (var rlib in context.RuntimeLibraries)
{
var ridAssets = SelectAssets(rids, rlib.RuntimeAssemblyGroups);
var cl = new CompilationLibrary(rlib.Type, rlib.Name, rlib.Version, rlib.Hash, ridAssets, rlib.Dependencies, rlib.Serviceable, rlib.Path, rlib.HashPath);
resolver.TryResolveAssemblyPaths(cl, assemblies);
}
return(assemblies.Select(Path.GetFullPath));
}
public void PassesLibraryToAllResolvers()
{
var fail = new Mock <ICompilationAssemblyResolver>();
var failTwo = new Mock <ICompilationAssemblyResolver>();
var resolvers = new[]
{
fail.Object,
failTwo.Object
};
var library = TestLibraryFactory.Create();
var resolver = new CompositeCompilationAssemblyResolver(resolvers);
var result = resolver.TryResolveAssemblyPaths(library, null);
fail.Verify(r => r.TryResolveAssemblyPaths(library, null), Times.Once());
failTwo.Verify(r => r.TryResolveAssemblyPaths(library, null), Times.Once());
}
private static void SetupInterceptorsDependencyResolver(string assemblyFolder, Assembly interceptorsAssembly)
{
if (Directory.GetFiles(assemblyFolder, "*.deps.json").Length > 0)
{
// this method loads assemblies from both assembly folder and nuget cache and requires deps.json file
// see https://github.com/dotnet/runtime/issues/18527#issuecomment-611499261
var dependencyContext = DependencyContext.Load(interceptorsAssembly);
var resolver = new ICompilationAssemblyResolver[]
{
new AppBaseCompilationAssemblyResolver(assemblyFolder),
new ReferenceAssemblyPathResolver(),
new PackageCompilationAssemblyResolver()
};
var assemblyResolver = new CompositeCompilationAssemblyResolver(resolver);
var loadContext = AssemblyLoadContext.GetLoadContext(interceptorsAssembly);
loadContext !.Resolving += (AssemblyLoadContext context, AssemblyName name) =>
{
bool NamesMatch(RuntimeLibrary runtime)
{
var res = string.Equals(runtime.Name, name.Name, StringComparison.OrdinalIgnoreCase);
if (!res)
{
foreach (var group in runtime.RuntimeAssemblyGroups)
{
foreach (var l in group.RuntimeFiles)
{
if (Path.GetFileNameWithoutExtension(l.Path) == name.Name)
{
return(true);
}
}
}
}
return(res);
}
var library = dependencyContext.RuntimeLibraries.FirstOrDefault(NamesMatch);
if (library == null)
{
return(null);
}
var wrapper = new CompilationLibrary(
library.Type,
library.Name,
library.Version,
library.Hash,
library.RuntimeAssemblyGroups.SelectMany(g => g.AssetPaths),
library.Dependencies,
library.Serviceable);
var assemblies = new List <string>();
assemblyResolver.TryResolveAssemblyPaths(wrapper, assemblies);
var assembly = assemblies.FirstOrDefault(a => Path.GetFileNameWithoutExtension(a) == name.Name);
Console.WriteLine($"Load from: {assembly}");
return(assembly == null ? null : Assembly.LoadFile(assembly));
};
}
else
{
// alternative approach supports loading from assembly folder without deps.json file
AssemblyLoadContext.Default.Resolving += (context, name) =>
{
// TODO: verbose logging
Console.WriteLine($"AssemblyResolve: {name}");
// as we know only assembly name, not file name (written in deps.json) - we try to guess it
var probePath1 = Path.Combine(assemblyFolder, name.Name + ".dll");
var probePath2 = Path.Combine(assemblyFolder, name.Name + ".exe");
if (File.Exists(probePath1))
{
Console.WriteLine($"Found at: {probePath1}");
return(Assembly.LoadFile(probePath1));
}
if (File.Exists(probePath2))
{
Console.WriteLine($"Found at: {probePath2}");
return(Assembly.LoadFile(probePath2));
}
return(null);
};
}
}
private Assembly LoadWithAllReferencedAssebliesRecursive(string assemblyPath)
{
Assembly assembly = null;
if (File.Exists(assemblyPath))
{
// assembly = new AssemblyResolver(assemblyPath, _logger).Assembly;
assembly = AssemblyLoadContext.Default.LoadFromAssemblyPath(assemblyPath);
var dependencyContext = DependencyContext.Load(assembly);
var assemblyResolver = new CompositeCompilationAssemblyResolver
(new ICompilationAssemblyResolver[]
{
new AppBaseCompilationAssemblyResolver(Path.GetDirectoryName(assemblyPath)),
new ReferenceAssemblyPathResolver(),
new PackageCompilationAssemblyResolver()
});
var loadContext = AssemblyLoadContext.GetLoadContext(assembly);
//These event handler required for load modules dependencies (packages and libraries). It is the best solution what I've found.
//https://www.codeproject.com/Articles/1194332/Resolving-Assemblies-in-NET-Core
//https://github.com/dotnet/corefx/issues/11639
//https://github.com/dotnet/coreclr/blob/master/Documentation/design-docs/assemblyloadcontext.md
//https://github.com/dotnet/core-setup/blob/master/Documentation/design-docs/corehost.md
loadContext.Resolving += (context, assemblyName) =>
{
bool assemblyPredicate(RuntimeLibrary runtime)
{
var result = runtime.Name.EqualsInvariant(assemblyName.Name);
if (result)
{
//Need to do an additional comparison by version because modules can use different versions
if (Version.TryParse(runtime.Version, out Version version))
{
result = new SemanticVersion(assemblyName.Version).IsCompatibleWith(new SemanticVersion(version));
}
}
return(result);
}
_logger.LogDebug($"Trying to resolve {assemblyName} in the {assembly.GetName().Name} dependencies");
var library = dependencyContext.RuntimeLibraries.FirstOrDefault(assemblyPredicate);
if (library != null)
{
var wrapper = new CompilationLibrary(
library.Type,
library.Name,
library.Version,
library.Hash,
library.RuntimeAssemblyGroups.SelectMany(g => g.AssetPaths),
library.Dependencies,
library.Serviceable);
var assemblies = new List <string>();
assemblyResolver.TryResolveAssemblyPaths(wrapper, assemblies);
if (assemblies.Count > 0)
{
_logger.LogDebug($"Load assembly {assemblyName} from {assemblies[0]}");
return(context.LoadFromAssemblyPath(assemblies[0]));
}
}
return(null);
};
}
return(assembly);
}
