From 0a48b5e31aa712acd988626a88c52c47467945b2 Mon Sep 17 00:00:00 2001
From: LukePulverenti Luke Pulverenti luke pulverenti
 <LukePulverenti Luke Pulverenti luke.pulverenti@gmail.com>
Date: Sat, 21 Jul 2012 14:39:47 -0400
Subject: Added a BaseKernel for the UI and Server to share, and made some
 other minor re-organizations.

---
 MediaBrowser.Common/Kernel/BaseKernel.cs | 130 +++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 MediaBrowser.Common/Kernel/BaseKernel.cs

(limited to 'MediaBrowser.Common/Kernel/BaseKernel.cs')

diff --git a/MediaBrowser.Common/Kernel/BaseKernel.cs b/MediaBrowser.Common/Kernel/BaseKernel.cs
new file mode 100644
index 000000000..d6c13ce38
--- /dev/null
+++ b/MediaBrowser.Common/Kernel/BaseKernel.cs
@@ -0,0 +1,130 @@
+using System.Configuration;
+using System.IO;
+using System.Reflection;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.Json;
+using MediaBrowser.Common.Logging;
+using MediaBrowser.Common.Net;
+using MediaBrowser.Common.Plugins;
+
+namespace MediaBrowser.Common.Kernel
+{
+    /// <summary>
+    /// Represents a shared base kernel for both the UI and server apps
+    /// </summary>
+    public abstract class BaseKernel<TConfigurationType>
+        where TConfigurationType : BaseConfiguration, new()
+    {
+        /// <summary>
+        /// Gets the path to the program data folder
+        /// </summary>
+        public string ProgramDataPath { get; private set; }
+
+        /// <summary>
+        /// Gets the current configuration
+        /// </summary>
+        public TConfigurationType Configuration { get; private set; }
+
+        /// <summary>
+        /// Both the UI and server will have a built-in HttpServer.
+        /// People will inevitably want remote control apps so it's needed in the UI too.
+        /// </summary>
+        public HttpServer HttpServer { get; private set; }
+
+        public PluginController PluginController { get; private set; }
+
+        /// <summary>
+        /// Gets the kernel context. The UI kernel will have to override this.
+        /// </summary>
+        protected KernelContext KernelContext { get { return KernelContext.Server; } }
+
+        protected virtual string HttpServerUrlPrefix
+        {
+            get
+            {
+                return "http://+:" + Configuration.HttpServerPortNumber + "/mediabrowser/";
+            }
+        }
+
+        public BaseKernel()
+        {
+            ProgramDataPath = GetProgramDataPath();
+
+            PluginController = new PluginController() { PluginsPath = Path.Combine(ProgramDataPath, "Plugins") };
+
+            Logger.LoggerInstance = new FileLogger(Path.Combine(ProgramDataPath, "Logs"));
+        }
+
+        public virtual void Init()
+        {
+            ReloadConfiguration();
+
+            ReloadHttpServer();
+
+            ReloadPlugins();
+        }
+
+        /// <summary>
+        /// Gets the path to the application's ProgramDataFolder
+        /// </summary>
+        /// <returns></returns>
+        private string GetProgramDataPath()
+        {
+            string programDataPath = ConfigurationManager.AppSettings["ProgramDataPath"];
+
+            // If it's a relative path, e.g. "..\"
+            if (!Path.IsPathRooted(programDataPath))
+            {
+                string path = Assembly.GetExecutingAssembly().Location;
+                path = Path.GetDirectoryName(path);
+
+                programDataPath = Path.Combine(path, programDataPath);
+
+                programDataPath = Path.GetFullPath(programDataPath);
+            }
+
+            if (!Directory.Exists(programDataPath))
+            {
+                Directory.CreateDirectory(programDataPath);
+            }
+
+            return programDataPath;
+        }
+
+        private void ReloadConfiguration()
+        {
+            // Deserialize config
+            Configuration = GetConfiguration(ProgramDataPath);
+
+            Logger.LoggerInstance.LogSeverity = Configuration.LogSeverity;
+        }
+
+        private void ReloadHttpServer()
+        {
+            if (HttpServer != null)
+            {
+                HttpServer.Dispose();
+            }
+
+            HttpServer = new HttpServer("http://+:" + Configuration.HttpServerPortNumber + "/mediabrowser/");
+        }
+
+        protected virtual void ReloadPlugins()
+        {
+            // Find plugins
+            PluginController.Init(KernelContext);
+        }
+
+        private static TConfigurationType GetConfiguration(string directory)
+        {
+            string file = Path.Combine(directory, "config.js");
+
+            if (!File.Exists(file))
+            {
+                return new TConfigurationType();
+            }
+
+            return JsonSerializer.DeserializeFromFile<TConfigurationType>(file);
+        }
+    }
+}
-- 
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