private void ExecuteInMemoryAssembly(HostedPlugin plugin, string input)
{
var context = new CollectibleAssemblyContext();
using (var ms = new MemoryStream())
{
var compilation = CSharpCompilation.Create(plugin.Name, new[] { CSharpSyntaxTree.ParseText(plugin.Code) },
new[]
{
MetadataReference.CreateFromFile(typeof(object).GetTypeInfo().Assembly.Location),
MetadataReference.CreateFromFile(typeof(Console).GetTypeInfo().Assembly.Location),
MetadataReference.CreateFromFile(SystemRuntime.Location),
},
new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));
var cr = compilation.Emit(ms);
ms.Seek(0, SeekOrigin.Begin);
var assembly = context.LoadFromStream(ms);
var type = assembly.GetType("Plugin");
var executeMethod = type.GetMethod("Execute");
var instance = Activator.CreateInstance(type);
var dic = PluginResponses.GetOrCreate(plugin.Name);
dic.Add(executeMethod.Invoke(instance, new object[] { input }).ToString());
}
context.Unload();
}
public void RunPlugin(HostedPlugin plugin, string input)
{
if (plugin.InMemory)
{
RunDynamicPlugin(plugin, input);
}
else
{
ExecuteAssembly(plugin, input);
}
RunGarbageCollection();
}
public void CreateOrRunDynamicPlugin(string syntax, string input)
{
//if hosted assembly, just execute, else create
var name = $"DynamicPlugin{input}";
var plugin = Plugins.FirstOrDefault(f => f.Name == name);
if (plugin == null)
{
plugin = new HostedPlugin();
plugin.Name = name;
plugin.Code = syntax;
}
Plugins.Add(plugin);
ExecuteInMemoryAssembly(plugin, input);
RunGarbageCollection();
}
private void ExecuteAssembly(HostedPlugin plugin, string input)
{
var context = new CollectibleAssemblyContext();
var assemblyPath = Path.Combine(plugin.FilePath);
using (var fs = new FileStream(assemblyPath, FileMode.Open, FileAccess.Read))
{
var assembly = context.LoadFromStream(fs);
var type = assembly.GetType("PluginSystem.Plugin");
var executeMethod = type.GetMethod("Execute");
var instance = Activator.CreateInstance(type);
var dic = PluginResponses.GetOrCreate(plugin.Name);
dic.Add(executeMethod.Invoke(instance, new object[] { input }).ToString());
}
context.Unload();
}
public void RunDynamicPlugin(HostedPlugin plugin, string input)
{
ExecuteInMemoryAssembly(plugin, input);
RunGarbageCollection();
}
public void RunPlugin(HostedPlugin plugin, string input)
{
ExecuteAssembly(plugin, input);
RunGarbageCollection();
}
