public TPlugin(string path, bool Initialize = false)
{
FilePath = path;
InitializeImmediately = Initialize;
AppSetup = new AppDomainSetup();
AppSetup.ApplicationBase = AppDomain.CurrentDomain.BaseDirectory;
AppDomain = AppDomain.CreateDomain(FilePath, null, AppSetup);
AppDomain.SetData("Plugin", this);
AppDomain.DoCallBack(new CrossAppDomainDelegate(() =>
{
//We are now inside the new AppDomain, every other variable is now invalid since this AppDomain cannot see into the main one
TPlugin plugin = AppDomain.CurrentDomain.GetData("Plugin") as TPlugin;
if (plugin != null)
{
plugin.Assembly = Assembly.LoadFrom(plugin.FilePath);
if (InitializeImmediately) //You cannot use the "Initialize" parameter here, it goes out of scope for this AppDomain
{
plugin.ClassType = plugin.Assembly.GetExportedTypes()[0];
if (plugin.ClassType != null && plugin.ClassType.IsClass)
{
plugin.ClassInstance = Activator.CreateInstance(plugin.ClassType);
MethodInfo info = plugin.ClassType.GetMethod("Initializer");
info.Invoke(plugin.ClassInstance, null);
}
}
}
}));
}
static void ConfigurePlugin <TPlugin>()
where TPlugin : GraffitiEvent, ISupportsMemento
{
TPlugin plugin = PluginHelper.GetPluginWithCurrentSettings <TPlugin>();
IMemento state = plugin.CreateMemento();
PluginMigrator.MigrateSettings(true, false, state, state);
}
public void Unload <TPlugin>() where TPlugin : class, IHostViewAddIn
{
TPlugin plugin = this.GetPlugin <TPlugin>();
if (plugin == null)
{
throw new InvalidOperationException("The plugin has already been unloaded.");
}
this.UnloadInternal(plugin);
}
public void CallBack()
{
TPlugin plugin = AppDomain.CurrentDomain.GetData("Plugin") as TPlugin;
if (plugin != null)
{
MethodInfo info = plugin.ClassType.GetMethod(AppDomain.CurrentDomain.GetData("FunctionName") as string);
info.Invoke(plugin.ClassInstance, AppDomain.CurrentDomain.GetData("FunctionArgs") as object[]);
}
//This is how to return back since DoCallBack does not support returns.
AppDomain.CurrentDomain.SetData("FunctionReturn", null);
}
public TPlugin Load <TPlugin>() where TPlugin : class, IHostViewAddIn
{
TPlugin plugin = this.GetPlugin <TPlugin>();
if (plugin != null)
{
return(plugin);
}
plugin = this.LoadPlugin <TPlugin>();
return(plugin);
}
// ReSharper disable once UnusedParameter.Local
public static void Connect <TPlugin>() where TPlugin : HSPIBase, new()
{
Console.WriteLine("Test Plugin");
// create an instance of our plugin.
var myPlugin = new TPlugin();
// Get our plugin to connect to Homeseer
Console.WriteLine("\nConnecting to Homeseer at " + ServerAddress + ":" + ServerPort + " ...");
try
{
myPlugin.Connect(ServerAddress, ServerPort);
// got this far then success
Console.WriteLine(" connection to homeseer successful.\n");
}
catch (Exception ex)
{
Console.WriteLine(" connection to homeseer failed: " + ex.Message);
return;
}
// let the plugin do it's thing, wait until it shuts down or the connection to homeseer fails.
try
{
while (true)
{
// do nothing for a bit
Thread.Sleep(200);
// test the connection to homeseer
if (!myPlugin.Connected)
{
Console.WriteLine("Connection to homeseer lost, exiting");
break;
}
// test for a shutdown signal
if (myPlugin.Shutdown)
{
Console.WriteLine("Plugin has been shut down, exiting");
break;
}
}
}
catch (Exception ex)
{
Console.WriteLine("Unhandled exception from Plugin: " + ex.Message);
}
}
/// <summary>
/// 实现了指定接口或类型 的启用插件
/// </summary>
/// <typeparam name="TPlugin">可以是一个接口，一个抽象类，一个普通实现类, 只要实现了 <see cref="IPlugin"/>即可</typeparam>
/// <returns></returns>
public IEnumerable <TPlugin> EnablePlugins <TPlugin>()
where TPlugin : IPlugin // BasePlugin
{
// TODO: 目前这里还有问题, 不应该写为 BasePlugin, 不利于扩展, 不利于插件开发者自己实现 Install , Uninstall等
// 1.所有启用的插件 PluginId
var pluginConfigModel = PluginConfigModelFactory.Create();
IList <string> enablePluginIds = pluginConfigModel.EnabledPlugins;
foreach (var pluginId in enablePluginIds)
{
if (PluginsLoadContexts.Any(pluginId))
{
// 2.找到插件对应的Context
var context = PluginsLoadContexts.Get(pluginId);
// 3.找插件 主 Assembly
// Assembly.FullName: HelloWorld, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
Assembly pluginMainAssembly = context.Assemblies.Where(m => m.FullName.StartsWith($"{pluginId}, Version=")).FirstOrDefault();
if (pluginMainAssembly == null)
{
continue;
}
// 4.从插件主Assembly中 找实现了 TPlugin 接口的 Type, 若有多个，只要一个
Type pluginType = pluginMainAssembly.ExportedTypes.Where(m =>
(m.BaseType == typeof(TPlugin) || m.GetInterfaces().Contains(typeof(TPlugin)))
&&
!m.IsInterface
&&
!m.IsAbstract
).FirstOrDefault();
if (pluginType == null)
{
continue;
}
// 5.实例化插件 Type
//(TPlugin)Activator.CreateInstance(pluginType,);
//try to resolve plugin as unregistered service
//object instance = EngineContext.Current.ResolveUnregistered(pluginType);
object instance = ResolveUnregistered(pluginType);
//try to get typed instance
TPlugin typedInstance = (TPlugin)instance;
if (typedInstance == null)
{
continue;
}
yield return(typedInstance);
}
}
}
void CreateCategory <TPlugin>() where TPlugin : GraffitiEvent, IPluginConfigurationProvider
{
TPlugin plugin = PluginHelper.GetPluginWithCurrentSettings <TPlugin>();
if (_categoryRepository.GetCategory(plugin.CategoryName) != null)
{
throw new InvalidOperationException(String.Format("The category '{0}' already exists.", plugin.CategoryName));
}
Category category = new Category {
Name = plugin.CategoryName, ParentId = -1
};
_categoryRepository.AddCategory(category);
}
/// <summary>
/// Get the instance of the plugin
/// </summary>
/// <typeparam name="TPlugin">Type of the plugin</typeparam>
/// <returns>Plugin instance</returns>
public virtual TPlugin Instance <TPlugin>() where TPlugin : class, IPlugin
{
//try to resolve plugin as unregistered service
object instance = EngineContext.Current.ResolveUnregistered(PluginType);
//try to get typed instance
TPlugin typedInstance = instance as TPlugin;
if (typedInstance != null)
{
typedInstance.PluginDescriptor = this;
}
return(typedInstance);
}
// Public so it can be used by custom plugins Get method
public static ABSTweenPlugin <T1, T2, TPlugOptions> GetCustomPlugin <TPlugin, T1, T2, TPlugOptions>()
where TPlugin : ITweenPlugin, new()
where TPlugOptions : struct
{
Type t = typeof(TPlugin);
ITweenPlugin plugin;
if (_customPlugins == null)
{
_customPlugins = new Dictionary <Type, ITweenPlugin>(_MaxCustomPlugins);
}
else if (_customPlugins.TryGetValue(t, out plugin))
{
return(plugin as ABSTweenPlugin <T1, T2, TPlugOptions>);
}
plugin = new TPlugin();
_customPlugins.Add(t, plugin);
return(plugin as ABSTweenPlugin <T1, T2, TPlugOptions>);
}
void CreateNavigationLink <TPlugin>() where TPlugin : GraffitiEvent, IPluginConfigurationProvider, new()
{
TPlugin plugin = PluginHelper.GetPluginWithCurrentSettings <TPlugin>();
Category category = _categoryRepository.GetCategory(plugin.CategoryName);
// Dynamic navigation items for categories are automatically created if the dynamic navigation items are empty.
NavigationSettings settings = NavigationSettings.Get();
if (settings.SafeItems().Exists(dni => dni.NavigationType == DynamicNavigationType.Category && dni.CategoryId == category.Id))
{
// The dynamic navigation item already exists.
return;
}
DynamicNavigationItem item = new DynamicNavigationItem
{
NavigationType = DynamicNavigationType.Category,
CategoryId = category.Id,
Id = Guid.NewGuid()
};
NavigationSettings.Add(item);
}
public PluginContainer(AppDomain domain, TPlugin plugin, TModel model)
{
Domain = domain;
Plugin = plugin;
Model = model;
}
public PluginContainer(AppDomain domain, TPlugin plugin)
{
Domain = domain;
Plugin = plugin;
}
public PluginInstance(TPlugin instance, T plugin, bool @default)
{
Instance = instance;
Plugin = plugin;
IsDefault = @default;
}