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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;
}
}
}
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