public static IEnumerable <PluginPair> DotNetPlugins(List <PluginMetadata> source)
{
var plugins = new List <PluginPair>();
var metadatas = source.Where(o => AllowedLanguage.IsDotNet(o.Language));
foreach (var metadata in metadatas)
{
var milliseconds = Stopwatch.Debug($"|PluginsLoader.DotNetPlugins|Constructor init cost for {metadata.Name}", () =>
{
#if DEBUG
var assembly = AssemblyLoadContext.Default.LoadFromAssemblyPath(metadata.ExecuteFilePath);
var types = assembly.GetTypes();
var type = types.First(o => o.IsClass && !o.IsAbstract && o.GetInterfaces().Contains(typeof(IPlugin)));
var plugin = (IPlugin)Activator.CreateInstance(type);
#else
Assembly assembly;
try
{
assembly = AssemblyLoadContext.Default.LoadFromAssemblyPath(metadata.ExecuteFilePath);
}
catch (Exception e)
{
Log.Exception($"|PluginsLoader.DotNetPlugins|Couldn't load assembly for {metadata.Name}", e);
return;
}
var types = assembly.GetTypes();
Type type;
try
{
type = types.First(o => o.IsClass && !o.IsAbstract && o.GetInterfaces().Contains(typeof(IPlugin)));
}
catch (InvalidOperationException e)
{
Log.Exception($"|PluginsLoader.DotNetPlugins|Can't find class implement IPlugin for <{metadata.Name}>", e);
return;
}
IPlugin plugin;
try
{
plugin = (IPlugin)Activator.CreateInstance(type);
}
catch (Exception e)
{
Log.Exception($"|PluginsLoader.DotNetPlugins|Can't create instance for <{metadata.Name}>", e);
return;
}
#endif
PluginPair pair = new PluginPair
{
Plugin = plugin,
Metadata = metadata
};
plugins.Add(pair);
});
metadata.InitTime += milliseconds;
}
return(plugins);
}
public static IEnumerable <PluginPair> DotNetPlugins(List <PluginMetadata> source)
{
var erroredPlugins = new List <string>();
var plugins = new List <PluginPair>();
var metadatas = source.Where(o => AllowedLanguage.IsDotNet(o.Language));
foreach (var metadata in metadatas)
{
var milliseconds = Stopwatch.Debug(
$"|PluginsLoader.DotNetPlugins|Constructor init cost for {metadata.Name}", () =>
{
#if DEBUG
var assemblyLoader = new PluginAssemblyLoader(metadata.ExecuteFilePath);
var assembly = assemblyLoader.LoadAssemblyAndDependencies();
var type = assemblyLoader.FromAssemblyGetTypeOfInterface(assembly, typeof(IPlugin),
typeof(IAsyncPlugin));
var plugin = Activator.CreateInstance(type);
#else
Assembly assembly = null;
object plugin = null;
try
{
var assemblyLoader = new PluginAssemblyLoader(metadata.ExecuteFilePath);
assembly = assemblyLoader.LoadAssemblyAndDependencies();
var type = assemblyLoader.FromAssemblyGetTypeOfInterface(assembly, typeof(IPlugin),
typeof(IAsyncPlugin));
plugin = Activator.CreateInstance(type);
}
catch (Exception e) when(assembly == null)
{
Log.Exception($"|PluginsLoader.DotNetPlugins|Couldn't load assembly for the plugin: {metadata.Name}", e);
}
catch (InvalidOperationException e)
{
Log.Exception($"|PluginsLoader.DotNetPlugins|Can't find the required IPlugin interface for the plugin: <{metadata.Name}>", e);
}
catch (ReflectionTypeLoadException e)
{
Log.Exception($"|PluginsLoader.DotNetPlugins|The GetTypes method was unable to load assembly types for the plugin: <{metadata.Name}>", e);
}
catch (Exception e)
{
Log.Exception($"|PluginsLoader.DotNetPlugins|The following plugin has errored and can not be loaded: <{metadata.Name}>", e);
}
if (plugin == null)
{
erroredPlugins.Add(metadata.Name);
return;
}
#endif
plugins.Add(new PluginPair
{
Plugin = plugin,
Metadata = metadata
});
});
metadata.InitTime += milliseconds;
}
if (erroredPlugins.Count > 0)
{
var errorPluginString = String.Join(Environment.NewLine, erroredPlugins);
var errorMessage = "The following "
+ (erroredPlugins.Count > 1 ? "plugins have " : "plugin has ")
+ "errored and cannot be loaded:";
Task.Run(() =>
{
MessageBox.Show($"{errorMessage}{Environment.NewLine}{Environment.NewLine}" +
$"{errorPluginString}{Environment.NewLine}{Environment.NewLine}" +
$"Please refer to the logs for more information", "",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
});
}
return(plugins);
}
