mirror of
https://github.com/PepperDash/Essentials.git
synced 2026-02-02 22:34:57 +00:00
Moves all plugin logic to new PluginLoader static class
This commit is contained in:
Neil Dorin
@@ -25,7 +25,6 @@ namespace PepperDash.Essentials
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{
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HttpLogoServer LogoServer;
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List<string> LoadedAssemblies = new List<string>();
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public ControlSystem()
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: base()
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@@ -48,6 +47,8 @@ namespace PepperDash.Essentials
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ConsoleAccessLevelEnum.AccessOperator);
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}
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CrestronConsole.AddNewConsoleCommand(PluginLoader.ReportAssemblyVersions, "reportversions", "Reports the versions of the loaded assemblies", ConsoleAccessLevelEnum.AccessOperator);
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// CrestronConsole.AddNewConsoleCommand(S => { ConfigWriter.WriteConfigFile(null); }, "writeconfig", "writes the current config to a file", ConsoleAccessLevelEnum.AccessOperator);
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CrestronConsole.AddNewConsoleCommand(s =>
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{
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@@ -80,6 +81,8 @@ namespace PepperDash.Essentials
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GoWithLoad();
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}
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/// <summary>
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/// Determines if the program is running on a processor (appliance) or server (VC-4).
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///
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@@ -160,20 +163,13 @@ namespace PepperDash.Essentials
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Debug.Console(0, Debug.ErrorLogLevel.Notice, "Starting Essentials load from configuration");
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// Get the loaded assembly filenames
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var appDi = new DirectoryInfo(Global.ApplicationDirectoryPathPrefix);
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var assemblyFiles = appDi.GetFiles("*.dll");
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foreach (var file in assemblyFiles)
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{
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LoadedAssemblies.Add(file.Name);
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}
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PluginLoader.AddProgramAssemblies();
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var filesReady = SetupFilesystem();
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if (filesReady)
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{
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Debug.Console(0, Debug.ErrorLogLevel.Notice, "Checking for plugins");
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LoadPlugins();
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PluginLoader.LoadPlugins();
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Debug.Console(0, Debug.ErrorLogLevel.Notice, "Folder structure verified. Loading config...");
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if (!ConfigReader.LoadConfig2())
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@@ -208,142 +204,7 @@ namespace PepperDash.Essentials
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}
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/// <summary>
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/// Loads plugins
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/// </summary>
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void LoadPlugins()
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{
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var dir = Global.FilePathPrefix + "plugins";
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if (Directory.Exists(dir))
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{
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Debug.Console(0, Debug.ErrorLogLevel.Notice, "Plugins directory found, checking for factory plugins");
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var di = new DirectoryInfo(dir);
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var zFiles = di.GetFiles("*.cplz");
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foreach (var fi in zFiles)
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{
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Debug.Console(0, "Found cplz: {0}. Unzipping into plugins directory", fi.Name);
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var result = CrestronZIP.Unzip(fi.FullName, di.FullName);
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Debug.Console(0, "UnZip Result: {0}", result.ToString());
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fi.Delete();
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}
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var files = di.GetFiles("*.dll");
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Dictionary<string, Assembly> assyList = new Dictionary<string, Assembly>();
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foreach (FileInfo fi in files)
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{
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if (!CheckIfAssemblyExists(fi.Name))
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{
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try
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{
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string assyVersion = string.Empty;
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var assy = Assembly.LoadFrom(fi.FullName);
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var ver = assy.GetCustomAttributes(typeof(AssemblyInformationalVersionAttribute), false);
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if (ver != null)
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{
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AssemblyInformationalVersionAttribute verAttribute = ver[0] as AssemblyInformationalVersionAttribute;
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assyVersion = verAttribute.InformationalVersion;
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}
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else
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assyList.Add(fi.FullName, assy);
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Debug.Console(0, Debug.ErrorLogLevel.Notice, "Loaded plugin file '{0}', version {1}", fi.FullName, assyVersion);
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}
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catch
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{
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Debug.Console(2, "Assembly {0} is not a custom assembly", fi.FullName);
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continue; //catching any load issues and continuing. There will be exceptions loading Crestron .dlls from the cplz Probably should do something different here
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}
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}
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else
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Debug.Console(0, Debug.ErrorLogLevel.Notice, "Skipping plugin: {0}. There is already an assembly with that name loaded.", fi.Name);
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}
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foreach (var assy in assyList)
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{
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// iteratate this assembly's classes, looking for "LoadPlugin()" methods
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try
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{
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var types = assy.Value.GetTypes();
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foreach (var type in types)
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{
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try
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{
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var methods = type.GetMethods(BindingFlags.Public | BindingFlags.Static);
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var loadPlugin = methods.FirstOrDefault(m => m.Name.Equals("LoadPlugin"));
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if (loadPlugin != null)
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{
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Debug.Console(2, "LoadPlugin method found in {0}", type.Name);
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var fields = type.GetFields(BindingFlags.Public | BindingFlags.Static);
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var minimumVersion = fields.FirstOrDefault(p => p.Name.Equals("MinimumEssentialsFrameworkVersion"));
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if (minimumVersion != null)
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{
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Debug.Console(2, "MinimumEssentialsFrameworkVersion found");
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var minimumVersionString = minimumVersion.GetValue(null) as string;
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if (!string.IsNullOrEmpty(minimumVersionString))
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{
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var passed = Global.IsRunningMinimumVersionOrHigher(minimumVersionString);
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if (!passed)
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{
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Debug.Console(0, Debug.ErrorLogLevel.Error, "Plugin indicates minimum Essentials version {0}. Dependency check failed. Skipping Plugin", minimumVersionString);
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continue;
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}
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else
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{
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Debug.Console(0, Debug.ErrorLogLevel.Notice, "Passed plugin passed dependency check (required version {0})", minimumVersionString);
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}
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}
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else
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{
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Debug.Console(0, Debug.ErrorLogLevel.Warning, "MinimumEssentialsFrameworkVersion found but not set. Loading plugin, but your mileage may vary.");
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}
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}
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else
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{
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Debug.Console(0, Debug.ErrorLogLevel.Warning, "MinimumEssentialsFrameworkVersion not found. Loading plugin, but your mileage may vary.");
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}
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Debug.Console(0, Debug.ErrorLogLevel.Notice, "Adding plugin: {0}", assy.Key);
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loadPlugin.Invoke(null, null);
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}
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}
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catch
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{
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Debug.Console(2, "Load Plugin not found. {0} is not a plugin assembly", assy.Value.FullName);
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continue;
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}
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}
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}
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catch
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{
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Debug.Console(2, "Assembly {0} is not a custom assembly. Types cannot be loaded.", assy.Value.FullName);
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continue;
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}
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}
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// plugin dll will be loaded. Any classes in plugin should have a static constructor
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// that registers that class with the Core.DeviceFactory
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}
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}
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/// <summary>
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/// Checks if the filename matches an already loaded assembly file's name
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/// </summary>
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/// <param name="filename"></param>
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/// <returns>True if file already matches loaded assembly file.</returns>
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bool CheckIfAssemblyExists(string filename)
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{
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var loadedAssembly = LoadedAssemblies.FirstOrDefault(s => s.Equals(filename));
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if (loadedAssembly != null)
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return true;
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else
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return false;
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}
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/// <summary>
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/// Verifies filesystem is set up. IR, SGD, and programX folders
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@@ -1,266 +0,0 @@
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//using System;
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//using System.Collections.Generic;
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//using System.Linq;
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//using System.Text;
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//using Crestron.SimplSharp;
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//using Crestron.SimplSharp.CrestronIO;
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//using Crestron.SimplSharp.Net.Http;
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//using Newtonsoft.Json;
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//using Newtonsoft.Json.Linq;
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//using PepperDash.Essentials.Core;
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//using PepperDash.Essentials.Core.Http;
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//using PepperDash.Core;
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//namespace PepperDash.Essentials
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//{
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// public class EssentialsHttpApiHandler
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// {
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// string ConfigPath;
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// string PresetsPathPrefix;
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// EssentialsHttpServer Server;
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// /// <summary>
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// ///
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// /// </summary>
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// /// <param name="server">HTTP server to attach to</param>
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// /// <param name="configPath">The full path to configuration file</param>
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// /// <param name="presetsListPath">The folder prefix for the presets path, eq "\HTML\presets\"</param>
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// public EssentialsHttpApiHandler(EssentialsHttpServer server, string configPath, string presetsPathPrefix)
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// {
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// if (server == null) throw new ArgumentNullException("server");
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// Server = server;
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// ConfigPath = configPath;
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// PresetsPathPrefix = presetsPathPrefix;
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// server.ApiRequest += Server_ApiRequest;
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// }
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// void Server_ApiRequest(object sender, Crestron.SimplSharp.Net.Http.OnHttpRequestArgs args)
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// {
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// try
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// {
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// var path = args.Request.Path.ToLower();
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// if (path == "/api/config")
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// HandleApiConfig(args);
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// else if (path.StartsWith("/api/presetslist/"))
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// HandleApiPresetsList(args);
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// else if (path == "/api/presetslists")
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// HandleApiGetPresetsLists(args.Request, args.Response);
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// else
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// {
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// args.Response.Code = 404;
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// return;
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// }
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// args.Response.Header.SetHeaderValue("Access-Control-Allow-Origin", "*");
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// args.Response.Header.SetHeaderValue("Access-Control-Allow-Methods", "GET, POST, PATCH, PUT, DELETE, OPTIONS");
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// }
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// catch (Exception e)
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// {
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// Debug.Console(1, "Uncaught HTTP server error: \n{0}", e);
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// args.Response.Code = 500;
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// }
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// }
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// /// <summary>
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// /// GET will return the running configuration. POST will attempt to take in a new config
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// /// and restart the program.
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// /// </summary>
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// void HandleApiConfig(OnHttpRequestArgs args)
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// {
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// var request = args.Request;
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// if (request.Header.RequestType == "GET")
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// {
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// if (File.Exists(ConfigPath))
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// {
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// Debug.Console(2, "Sending config:{0}", ConfigPath);
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// args.Response.Header.ContentType = EssentialsHttpServer.GetContentType(new FileInfo(ConfigPath).Extension);
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// args.Response.ContentStream = new FileStream(ConfigPath, FileMode.Open, FileAccess.Read);
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// }
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// }
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// else if (request.Header.RequestType == "POST")
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// {
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// Debug.Console(2, "Post type: '{0}'", request.Header.ContentType);
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// // Make sure we're receiving at least good json
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// Debug.Console(1, "Receving new config");
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// if (GetContentStringJson(args) == null)
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// return;
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// //---------------------------- try to move these into common method
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// // Move current file aside
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// var bakPath = ConfigPath + ".bak";
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// if (File.Exists(bakPath))
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// File.Delete(bakPath);
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// File.Move(ConfigPath, bakPath);
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// // Write the file
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// using (FileStream fs = File.Open(ConfigPath, FileMode.OpenOrCreate))
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// using (StreamWriter sw = new StreamWriter(fs))
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// {
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// try
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// {
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// sw.Write(args.Request.ContentString);
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// }
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// catch (Exception e)
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// {
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// string err = string.Format("Error writing received config file:\r{0}", e);
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// CrestronConsole.PrintLine(err);
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// ErrorLog.Warn(err);
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// // Put file back
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// File.Move(ConfigPath + ".bak", ConfigPath);
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// args.Response.Code = 500;
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// return;
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// }
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// }
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// // If client says "yeah, restart" and has a good token
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// // Restart program
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// string consoleResponse = null;
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// var restart = CrestronConsole.SendControlSystemCommand("progreset -p:" +
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// InitialParametersClass.ApplicationNumber, ref consoleResponse);
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// if (!restart) Debug.Console(0, "CAN'T DO THAT YO: {0}", consoleResponse);
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// }
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// }
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// void HandleApiPresetsList(OnHttpRequestArgs args)
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// {
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// var listPath = PresetsPathPrefix + args.Request.Path.Remove(0, 17);
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// Debug.Console(2, "Checking for preset list '{0}'", listPath);
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// if (args.Request.Header.RequestType == "GET")
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// {
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// if (File.Exists(listPath))
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// {
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// Debug.Console(2, "Sending presets file:{0}", listPath);
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// args.Response.Header.ContentType = EssentialsHttpServer.GetContentType(new FileInfo(listPath).Extension);
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// args.Response.ContentStream = new FileStream(listPath, FileMode.Open, FileAccess.Read);
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// }
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// }
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// else if (args.Request.Header.RequestType == "POST")
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// {
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// // Make sure we're receiving at least good json
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// Debug.Console(1, "Receving new presets");
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// if (GetContentStringJson(args) == null)
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// return;
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// //---------------------------- try to move these into common method
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// // Move current file aside
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// var bakPath = listPath + ".new";
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// Debug.Console(2, "Moving presets file to {0}", bakPath);
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// if(File.Exists(bakPath))
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// File.Delete(bakPath);
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// File.Move(listPath, bakPath);
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// Debug.Console(2, "Writing new file");
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// // Write the file
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// using (FileStream fs = File.OpenWrite(listPath))
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// using (StreamWriter sw = new StreamWriter(fs))
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// {
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// try
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// {
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// Debug.Console(2, "Writing {1}, {0} bytes", args.Request.ContentString.Length, listPath);
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// sw.Write(args.Request.ContentString);
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// }
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// catch (Exception e)
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// {
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// string err = string.Format("Error writing received presets file:\r{0}", e);
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// CrestronConsole.PrintLine(err);
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// ErrorLog.Warn(err);
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// // Put file back
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// File.Move(listPath + ".bak", listPath);
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// args.Response.Code = 500;
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// return;
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// }
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// }
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// }
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// }
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|
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// void HandleApiGetPresetsLists(HttpServerRequest request, HttpServerResponse response)
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// {
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// if (request.Header.RequestType != "GET")
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// {
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// response.Code = 404; // This should be a 405 with an allow header
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// return;
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// }
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// if (Directory.Exists(PresetsPathPrefix))
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// {
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// //CrestronConsole.PrintLine("Parsing presets directory");
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// List<string> files = Directory.GetFiles(PresetsPathPrefix, "*.json")
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// .ToList().Select(f => Path.GetFileName(f)).ToList();
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// if (files.Count > 0)
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// files.Sort();
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// var json = JsonConvert.SerializeObject(files);
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// response.Header.ContentType = "application/json";
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// response.ContentString = json;
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// }
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|
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// // //CrestronConsole.PrintLine("Found {0} files", files.Count);
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// // JObject jo = new JObject();
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// // JArray ja = new JArray();
|
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|
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// // foreach (var filename in files)
|
||||
// // {
|
||||
// // try
|
||||
// // {
|
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// // using (StreamReader sr = new StreamReader(filename))
|
||||
// // {
|
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// // JObject tempJo = JObject.Parse(sr.ReadToEnd());
|
||||
// // if (tempJo.Value<string>("content").Equals("presetsList"))
|
||||
// // {
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// // var jItem = new JObject(); // make a new object
|
||||
// // jItem.Add("Name", tempJo["name"]);
|
||||
// // jItem.Add("File", filename);
|
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// // jItem.Add("Url", Uri.EscapeUriString(new Uri(
|
||||
// // filename.Replace("\\html", "")
|
||||
// // .Replace("\\HTML", "")
|
||||
// // .Replace('\\', '/'), UriKind.Relative).ToString()));
|
||||
// // ja.Add(jItem); // add to array
|
||||
// // }
|
||||
// // else
|
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// // CrestronConsole.PrintLine("Cannot use presets file '{0}'", filename);
|
||||
// // }
|
||||
// // }
|
||||
// // catch
|
||||
// // {
|
||||
// // // ignore failures - maybe delete them
|
||||
// // CrestronConsole.PrintLine("Unable to read presets file '{0}'", filename);
|
||||
// // }
|
||||
// // }
|
||||
// // jo.Add("PresetChannelLists", ja);
|
||||
// // //CrestronConsole.PrintLine(jo.ToString());
|
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// // response.Header.ContentType = "application/json";
|
||||
// // response.ContentString = jo.ToString();
|
||||
// //}
|
||||
// //else
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||||
// // CrestronConsole.PrintLine("No presets files in directory");
|
||||
// }
|
||||
|
||||
// /// <summary>
|
||||
// /// Simply does what it says
|
||||
// /// </summary>
|
||||
// JObject GetContentStringJson(OnHttpRequestArgs args)
|
||||
// {
|
||||
// //var content = args.Request.ContentString;
|
||||
// //Debug.Console(1, "{0}", content);
|
||||
|
||||
// try
|
||||
// {
|
||||
// // just see if it parses properly
|
||||
// return JObject.Parse(args.Request.ContentString);
|
||||
// }
|
||||
// catch (Exception e)
|
||||
// {
|
||||
// string err = string.Format("JSON Error reading config file:\r{0}", e);
|
||||
// CrestronConsole.PrintLine(err);
|
||||
// ErrorLog.Warn(err);
|
||||
// args.Response.Code = 400; // Bad request
|
||||
// return null;
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
//}
|
||||
@@ -166,7 +166,7 @@
|
||||
<Compile Include="ControlSystem.cs" />
|
||||
<Compile Include="Factory\UiDeviceFactory.cs" />
|
||||
<Compile Include="Fusion\EssentialsHuddleVtc1FusionController.cs" />
|
||||
<Compile Include="HttpApiHandler.cs" />
|
||||
<Compile Include="PluginLoading\PluginLoading.cs" />
|
||||
<Compile Include="Properties\AssemblyInfo.cs" />
|
||||
<Compile Include="Room\Config\EssentialsDualDisplayRoomPropertiesConfig.cs" />
|
||||
<Compile Include="Room\Config\EssentialsNDisplayRoomPropertiesConfig.cs" />
|
||||
|
||||
287
PepperDashEssentials/PluginLoading/PluginLoading.cs
Normal file
287
PepperDashEssentials/PluginLoading/PluginLoading.cs
Normal file
@@ -0,0 +1,287 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using Crestron.SimplSharp;
|
||||
using Crestron.SimplSharp.CrestronIO;
|
||||
using Crestron.SimplSharp.Reflection;
|
||||
|
||||
using PepperDash.Core;
|
||||
using PepperDash.Essentials.Core;
|
||||
|
||||
namespace PepperDash.Essentials
|
||||
{
|
||||
/// <summary>
|
||||
/// Deals with loading plugins at runtime
|
||||
/// </summary>
|
||||
public static class PluginLoader
|
||||
{
|
||||
/// <summary>
|
||||
/// The complete list of loaded assemblies. Includes Essentials Framework assemblies and plugins
|
||||
/// </summary>
|
||||
public static List<LoadedAssembly> LoadedAssemblies { get; private set; }
|
||||
|
||||
/// <summary>
|
||||
/// The list of assemblies loaded from the plugins folder
|
||||
/// </summary>
|
||||
static List<LoadedAssembly> LoadedPluginFolderAssemblies;
|
||||
|
||||
static PluginLoader()
|
||||
{
|
||||
LoadedAssemblies = new List<LoadedAssembly>();
|
||||
LoadedPluginFolderAssemblies = new List<LoadedAssembly>();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Retrieves all the loaded assemblies from the program directory
|
||||
/// </summary>
|
||||
public static void AddProgramAssemblies()
|
||||
{
|
||||
// Get the loaded assembly filenames
|
||||
var appDi = new DirectoryInfo(Global.ApplicationDirectoryPathPrefix);
|
||||
var assemblyFiles = appDi.GetFiles("*.dll");
|
||||
|
||||
foreach (var file in assemblyFiles)
|
||||
{
|
||||
try
|
||||
{
|
||||
LoadAssembly(file.FullName);
|
||||
}
|
||||
catch
|
||||
{
|
||||
Debug.Console(2, "Assembly {0} is not a custom assembly", file.FullName);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Loads an assembly via Reflection and adds it to the list of loaded assemblies
|
||||
/// </summary>
|
||||
/// <param name="fileName"></param>
|
||||
static LoadedAssembly LoadAssembly(string fileName)
|
||||
{
|
||||
if (!CheckIfAssemblyExists(fileName))
|
||||
{
|
||||
|
||||
var assembly = Assembly.LoadFrom(fileName);
|
||||
if (assembly != null)
|
||||
{
|
||||
var assyVersion = GetAssemblyVersion(assembly);
|
||||
|
||||
var loadedAssembly = new LoadedAssembly(assembly.GetName().Name, assyVersion, assembly);
|
||||
LoadedAssemblies.Add(loadedAssembly);
|
||||
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Loaded plugin file '{0}', version {1}", loadedAssembly.FileName, loadedAssembly.Version);
|
||||
return loadedAssembly;
|
||||
}
|
||||
else
|
||||
{
|
||||
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Unable to load assembly: '{0}'", fileName);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Skipping assembly: {0}. There is already an assembly with that name loaded.", fileName);
|
||||
}
|
||||
|
||||
return null;
|
||||
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Attempts to get the assembly informational version and if not possible gets the version
|
||||
/// </summary>
|
||||
/// <param name="assembly"></param>
|
||||
/// <returns></returns>
|
||||
static string GetAssemblyVersion(Assembly assembly)
|
||||
{
|
||||
var ver = assembly.GetCustomAttributes(typeof(AssemblyInformationalVersionAttribute), false);
|
||||
if (ver != null)
|
||||
{
|
||||
// Get the AssemblyInformationalVersion
|
||||
AssemblyInformationalVersionAttribute verAttribute = ver[0] as AssemblyInformationalVersionAttribute;
|
||||
return verAttribute.InformationalVersion;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Get the AssemblyVersion
|
||||
var version = assembly.GetName().Version;
|
||||
var verStr = string.Format("{0}.{1}.{2}.{3}", version.Major, version.Minor, version.Build, version.Revision);
|
||||
return verStr;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Checks if the filename matches an already loaded assembly file's name
|
||||
/// </summary>
|
||||
/// <param name="filename"></param>
|
||||
/// <returns>True if file already matches loaded assembly file.</returns>
|
||||
public static bool CheckIfAssemblyExists(string filename)
|
||||
{
|
||||
Debug.Console(2, "Checking if assembly: {0} is loaded...", filename);
|
||||
var loadedAssembly = LoadedAssemblies.FirstOrDefault(s => s.FileName.Equals(filename));
|
||||
|
||||
if (loadedAssembly != null)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
else
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Used by console command to report the currently loaded assemblies and versions
|
||||
/// </summary>
|
||||
/// <param name="command"></param>
|
||||
public static void ReportAssemblyVersions(string command)
|
||||
{
|
||||
Debug.Console(0, "Loaded Assemblies:");
|
||||
foreach (var assembly in LoadedAssemblies)
|
||||
{
|
||||
Debug.Console(0, "{0} Version: {1}", assembly.FileName, assembly.Version);
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Loads plugins
|
||||
/// </summary>
|
||||
public static void LoadPlugins()
|
||||
{
|
||||
var dir = Global.FilePathPrefix + "plugins";
|
||||
var tempDir = dir + Global.DirectorySeparator + "temp";
|
||||
|
||||
if (Directory.Exists(dir))
|
||||
{
|
||||
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Plugins directory found, checking for factory plugins");
|
||||
var di = new DirectoryInfo(dir);
|
||||
var zFiles = di.GetFiles("*.cplz");
|
||||
|
||||
foreach (var fi in zFiles)
|
||||
{
|
||||
Directory.CreateDirectory(tempDir);
|
||||
var tempDi = new DirectoryInfo(tempDir);
|
||||
|
||||
Debug.Console(0, "Found cplz: {0}. Unzipping into temp plugins directory", fi.Name);
|
||||
var result = CrestronZIP.Unzip(fi.FullName, tempDi.FullName);
|
||||
Debug.Console(0, "UnZip Result: {0}", result.ToString());
|
||||
|
||||
var files = tempDi.GetFiles("*.dll");
|
||||
|
||||
foreach (FileInfo file in files)
|
||||
{
|
||||
try
|
||||
{
|
||||
var pluginAssembly = LoadAssembly(fi.FullName);
|
||||
|
||||
if (pluginAssembly != null)
|
||||
{
|
||||
LoadedPluginFolderAssemblies.Add(pluginAssembly);
|
||||
}
|
||||
}
|
||||
catch
|
||||
{
|
||||
Debug.Console(2, "Assembly {0} is not a custom assembly", file.FullName);
|
||||
continue; //catching any load issues and continuing. There will be exceptions loading Crestron .dlls from the cplz Probably should do something different here
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Delete the .cplz and the temp directory
|
||||
fi.Delete();
|
||||
Directory.Delete(tempDir);
|
||||
}
|
||||
|
||||
// Iterate the loaded assemblies and try to call the LoadPlugin method
|
||||
foreach (var loadedAssembly in LoadedPluginFolderAssemblies)
|
||||
{
|
||||
// iteratate this assembly's classes, looking for "LoadPlugin()" methods
|
||||
try
|
||||
{
|
||||
var assy = loadedAssembly.Assembly;
|
||||
var types = assy.GetTypes();
|
||||
foreach (var type in types)
|
||||
{
|
||||
try
|
||||
{
|
||||
var methods = type.GetMethods(BindingFlags.Public | BindingFlags.Static);
|
||||
var loadPlugin = methods.FirstOrDefault(m => m.Name.Equals("LoadPlugin"));
|
||||
if (loadPlugin != null)
|
||||
{
|
||||
Debug.Console(2, "LoadPlugin method found in {0}", type.Name);
|
||||
|
||||
var fields = type.GetFields(BindingFlags.Public | BindingFlags.Static);
|
||||
|
||||
var minimumVersion = fields.FirstOrDefault(p => p.Name.Equals("MinimumEssentialsFrameworkVersion"));
|
||||
if (minimumVersion != null)
|
||||
{
|
||||
Debug.Console(2, "MinimumEssentialsFrameworkVersion found");
|
||||
|
||||
var minimumVersionString = minimumVersion.GetValue(null) as string;
|
||||
|
||||
if (!string.IsNullOrEmpty(minimumVersionString))
|
||||
{
|
||||
var passed = Global.IsRunningMinimumVersionOrHigher(minimumVersionString);
|
||||
|
||||
if (!passed)
|
||||
{
|
||||
Debug.Console(0, Debug.ErrorLogLevel.Error, "Plugin indicates minimum Essentials version {0}. Dependency check failed. Skipping Plugin", minimumVersionString);
|
||||
continue;
|
||||
}
|
||||
else
|
||||
{
|
||||
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Passed plugin passed dependency check (required version {0})", minimumVersionString);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
Debug.Console(0, Debug.ErrorLogLevel.Warning, "MinimumEssentialsFrameworkVersion found but not set. Loading plugin, but your mileage may vary.");
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
Debug.Console(0, Debug.ErrorLogLevel.Warning, "MinimumEssentialsFrameworkVersion not found. Loading plugin, but your mileage may vary.");
|
||||
}
|
||||
|
||||
Debug.Console(0, Debug.ErrorLogLevel.Notice, "Adding plugin: {0}", loadedAssembly.FileName);
|
||||
loadPlugin.Invoke(null, null);
|
||||
}
|
||||
}
|
||||
catch
|
||||
{
|
||||
Debug.Console(2, "Load Plugin not found. {0} is not a plugin assembly", loadedAssembly.FileName);
|
||||
continue;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
catch
|
||||
{
|
||||
Debug.Console(2, "Assembly {0} is not a custom assembly. Types cannot be loaded.", loadedAssembly.FileName);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
// plugin dll will be loaded. Any classes in plugin should have a static constructor
|
||||
// that registers that class with the Core.DeviceFactory
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Represents an assembly loaded at runtime and it's associated metadata
|
||||
/// </summary>
|
||||
public class LoadedAssembly
|
||||
{
|
||||
public string FileName { get; private set; }
|
||||
public string Version { get; private set; }
|
||||
public Assembly Assembly { get; private set; }
|
||||
|
||||
public LoadedAssembly(string fileName, string version, Assembly assembly)
|
||||
{
|
||||
FileName = fileName;
|
||||
Version = version;
|
||||
Assembly = assembly;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -62,15 +62,6 @@ namespace PepperDash.Essentials.Core
|
||||
FilePathPrefix = prefix;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Sets the file path prefix
|
||||
/// </summary>
|
||||
/// <param name="prefix"></param>
|
||||
public static void SetApplicationDirectoryPathPrefix(string prefix)
|
||||
{
|
||||
ApplicationDirectoryPathPrefix = prefix;
|
||||
}
|
||||
|
||||
static string _AssemblyVersion;
|
||||
|
||||
/// <summary>
|
||||
|
||||
Reference in New Issue
Block a user