public void Load_AddsAssemblyToAppDomain()
{
var data = new AppDomainLoadData();
AppDomainLoader.LoadToAppDomain(data);
var loadedAssembliesNames = AppDomain.CurrentDomain.GetAssemblies().Select(a => a.GetName().Name);
Assert.True(loadedAssembliesNames.Contains("AssemblyToLoad"), "AppdomainLoader failed to load assembly");
}
private void LoadAppDomain(XNode configRoot)
{
var mde = configRoot.XPathSelectElement("appdomain");
var deleteShadowOnStartup = mde.Attribute("DeleteShadowDirectoryOnStartup")?.Value.ToBoolean() ?? true;
var moduleDirectory = configRoot.XPathSelectElement("appdomain/modules")?.Attribute("Directory")?.Value ??
"ModuleInstances";
var moduleShadowCopyDirectory =
configRoot.XPathSelectElement("appdomain/modules")?.Attribute("ShadowCopyDirectory")?.Value ??
@"ModuleInstances\bin";
var pluginsDirectory = configRoot.XPathSelectElement("appdomain/plugins")?.Attribute("Directory")?.Value ??
"Plugins";
var pluginsShadowCopyDirectory =
configRoot.XPathSelectElement("appdomain/plugins")?.Attribute("ShadowCopyDirectory")?.Value ??
@"Plugins\bin";
AppDomainLoadData = new AppDomainLoadData(deleteShadowOnStartup,
new DynamicLoadingData(pluginsDirectory, pluginsShadowCopyDirectory),
new DynamicLoadingData(moduleDirectory, moduleShadowCopyDirectory));
}
/// <summary>
/// Loads all components to AppDomain
/// </summary>
/// <param name="data">AppDomainLoadData <see cref="AppDomainLoadData" /></param>
public static void LoadToAppDomain(AppDomainLoadData data)
{
var componentDirectories = new[] {data.PluginsDynamicLoadingData, data.ModulesDynamicLoadingData};
foreach (var componentDir in componentDirectories)
{
using (new WriteLockDisposable(Locker))
{
var cDirAbsolutePath = componentDir.RootDirectory;
Guard.NotEmpty(cDirAbsolutePath);
if (!Directory.Exists(cDirAbsolutePath))
continue;
var shadowCopyDirectory = componentDir.ShadowCopyDirectory;
var binFiles = Directory.Exists(shadowCopyDirectory)
? Directory.GetFiles(shadowCopyDirectory)
: new string[] {};
DeleteShadowDirectoryIfRequired(data.DeleteShadowDirectoryOnStartup, shadowCopyDirectory, binFiles);
IoUtil.CreateDirectoryIfNotExists(shadowCopyDirectory);
try
{
var dynamicLoadedFiles =
Directory.GetFiles(cDirAbsolutePath, "*.dll", SearchOption.AllDirectories)
//Not in the shadow copy
.Where(x => !binFiles.Contains(x))
.ToArray();
//load all other referenced assemblies now
foreach (var dlf in dynamicLoadedFiles
.Where(x => !IsAlreadyLoaded(x)))
{
Guard.NotEmpty(dlf);
PerformFileDeploy(new FileInfo(dlf), shadowCopyDirectory);
}
}
catch (ReflectionTypeLoadException ex)
{
var msg = string.Empty;
foreach (var exception in ex.LoaderExceptions)
msg = msg + exception.Message + Environment.NewLine;
var fail = new Exception(msg, ex);
Debug.WriteLine(fail.Message, fail);
throw fail;
}
catch (Exception ex)
{
var msg = string.Empty;
for (var e = ex; e != null; e = e.InnerException)
msg += e.Message + Environment.NewLine;
var fail = new Exception(msg, ex);
Debug.WriteLine(fail.Message, fail);
throw fail;
}
}
}
}
