Merge branch 'master' into presence-refactor

This was a large, heavily conflicted merge and things MAY have got broken.
Please check!

1 files changed, 251 insertions, 0 deletions

diff --git a/OpenSim/Tools/Configger/ConfigurationLoader.cs b/OpenSim/Tools/Configger/ConfigurationLoader.cs
new file mode 100644
index 0000000..49af417
--- /dev/null
+++ b/OpenSim/Tools/Configger/ConfigurationLoader.cs
@@ -0,0 +1,251 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
+using System.Threading;
+using System.Xml;
+using log4net;
+using Nini.Config;
+
+namespace Careminster
+{
+    /// <summary>
+    /// Loads the Configuration files into nIni
+    /// </summary>
+    public class ConfigurationLoader
+    {
+        /// <summary>
+        /// A source of Configuration data
+        /// </summary>
+        protected IConfigSource m_config;
+
+        /// <summary>
+        /// Console logger
+        /// </summary>
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        public ConfigurationLoader()
+        {
+        }
+
+        /// <summary>
+        /// Loads the region configuration
+        /// </summary>
+        /// <param name="argvSource">Parameters passed into the process when started</param>
+        /// <param name="configSettings"></param>
+        /// <param name="networkInfo"></param>
+        /// <returns>A configuration that gets passed to modules</returns>
+        public IConfigSource LoadConfigSettings()
+        {
+            bool iniFileExists = false;
+
+            List<string> sources = new List<string>();
+
+            string iniFileName = "OpenSim.ini";
+            string iniFilePath = Path.Combine(".", iniFileName);
+
+            if (IsUri(iniFileName))
+            {
+                if (!sources.Contains(iniFileName))
+                    sources.Add(iniFileName);
+            }
+            else
+            {
+                if (File.Exists(iniFilePath))
+                {
+                    if (!sources.Contains(iniFilePath))
+                        sources.Add(iniFilePath);
+                }
+            }
+
+            m_config = new IniConfigSource();
+            m_config.Merge(DefaultConfig());
+
+            m_log.Info("[CONFIG] Reading configuration settings");
+
+            if (sources.Count == 0)
+            {
+                m_log.FatalFormat("[CONFIG] Could not load any configuration");
+                m_log.FatalFormat("[CONFIG] Did you copy the OpenSim.ini.example file to OpenSim.ini?");
+                Environment.Exit(1);
+            }
+
+            for (int i = 0 ; i < sources.Count ; i++)
+            {
+                if (ReadConfig(sources[i]))
+                    iniFileExists = true;
+                AddIncludes(sources);
+            }
+
+            if (!iniFileExists)
+            {
+                m_log.FatalFormat("[CONFIG] Could not load any configuration");
+                m_log.FatalFormat("[CONFIG] Configuration exists, but there was an error loading it!");
+                Environment.Exit(1);
+            }
+
+            return m_config;
+        }
+
+        /// <summary>
+        /// Adds the included files as ini configuration files
+        /// </summary>
+        /// <param name="sources">List of URL strings or filename strings</param>
+        private void AddIncludes(List<string> sources)
+        {
+            //loop over config sources
+            foreach (IConfig config in m_config.Configs)
+            {
+                // Look for Include-* in the key name
+                string[] keys = config.GetKeys();
+                foreach (string k in keys)
+                {
+                    if (k.StartsWith("Include-"))
+                    {
+                        // read the config file to be included.
+                        string file = config.GetString(k);
+                        if (IsUri(file))
+                        {
+                            if (!sources.Contains(file))
+                                sources.Add(file);
+                        }
+                        else
+                        {
+                            string basepath = Path.GetFullPath(".");
+                            string path = Path.Combine(basepath, file);
+                            string[] paths = Util.Glob(path);
+                            foreach (string p in paths)
+                            {
+                                if (!sources.Contains(p))
+                                    sources.Add(p);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        /// <summary>
+        /// Check if we can convert the string to a URI
+        /// </summary>
+        /// <param name="file">String uri to the remote resource</param>
+        /// <returns>true if we can convert the string to a Uri object</returns>
+        bool IsUri(string file)
+        {
+            Uri configUri;
+
+            return Uri.TryCreate(file, UriKind.Absolute,
+                    out configUri) && configUri.Scheme == Uri.UriSchemeHttp;
+        }
+
+        /// <summary>
+        /// Provide same ini loader functionality for standard ini and master ini - file system or XML over http
+        /// </summary>
+        /// <param name="iniPath">Full path to the ini</param>
+        /// <returns></returns>
+        private bool ReadConfig(string iniPath)
+        {
+            bool success = false;
+
+            if (!IsUri(iniPath))
+            {
+                m_log.InfoFormat("[CONFIG] Reading configuration file {0}",
+                        Path.GetFullPath(iniPath));
+
+                m_config.Merge(new IniConfigSource(iniPath));
+                success = true;
+            }
+            else
+            {
+                m_log.InfoFormat("[CONFIG] {0} is a http:// URI, fetching ...",
+                        iniPath);
+
+                // The ini file path is a http URI
+                // Try to read it
+                //
+                try
+                {
+                    XmlReader r = XmlReader.Create(iniPath);
+                    XmlConfigSource cs = new XmlConfigSource(r);
+                    m_config.Merge(cs);
+
+                    success = true;
+                }
+                catch (Exception e)
+                {
+                    m_log.FatalFormat("[CONFIG] Exception reading config from URI {0}\n" + e.ToString(), iniPath);
+                    Environment.Exit(1);
+                }
+            }
+            return success;
+        }
+
+        /// <summary>
+        /// Setup a default config values in case they aren't present in the ini file
+        /// </summary>
+        /// <returns>A Configuration source containing the default configuration</returns>
+        private static IConfigSource DefaultConfig()
+        {
+            IConfigSource defaultConfig = new IniConfigSource();
+
+            {
+                IConfig config = defaultConfig.Configs["Startup"];
+
+                if (null == config)
+                    config = defaultConfig.AddConfig("Startup");
+
+                config.Set("region_info_source", "filesystem");
+
+                config.Set("gridmode", false);
+                config.Set("physics", "OpenDynamicsEngine");
+                config.Set("meshing", "Meshmerizer");
+                config.Set("physical_prim", true);
+                config.Set("see_into_this_sim_from_neighbor", true);
+                config.Set("serverside_object_permissions", false);
+                config.Set("storage_plugin", "OpenSim.Data.SQLite.dll");
+                config.Set("storage_connection_string", "URI=file:OpenSim.db,version=3");
+                config.Set("storage_prim_inventories", true);
+                config.Set("startup_console_commands_file", String.Empty);
+                config.Set("shutdown_console_commands_file", String.Empty);
+                config.Set("DefaultScriptEngine", "XEngine");
+                config.Set("clientstack_plugin", "OpenSim.Region.ClientStack.LindenUDP.dll");
+                // life doesn't really work without this
+                config.Set("EventQueue", true);
+            }
+
+            {
+                IConfig config = defaultConfig.Configs["StandAlone"];
+
+                if (null == config)
+                    config = defaultConfig.AddConfig("StandAlone");
+
+                config.Set("accounts_authenticate", true);
+                config.Set("welcome_message", "Welcome to OpenSimulator");
+                config.Set("inventory_plugin", "OpenSim.Data.SQLite.dll");
+                config.Set("inventory_source", "");
+                config.Set("userDatabase_plugin", "OpenSim.Data.SQLite.dll");
+                config.Set("user_source", "");
+                config.Set("LibrariesXMLFile", string.Format(".{0}inventory{0}Libraries.xml", Path.DirectorySeparatorChar));
+            }
+
+            {
+                IConfig config = defaultConfig.Configs["Network"];
+
+                if (null == config)
+                    config = defaultConfig.AddConfig("Network");
+
+                config.Set("default_location_x", 1000);
+                config.Set("default_location_y", 1000);
+                config.Set("grid_send_key", "null");
+                config.Set("grid_recv_key", "null");
+                config.Set("user_send_key", "null");
+                config.Set("user_recv_key", "null");
+                config.Set("secure_inventory_server", "true");
+            }
+
+            return defaultConfig;
+        }
+
+    }
+}