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path: root/OpenSim/Region/Application/OpenSimMain.cs
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/*
* Copyright (c) Contributors, http://www.openmetaverse.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the OpenSim Project nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* 
*/

using System;
using System.IO;
using libsecondlife;
using Nini.Config;
using OpenSim.Assets;
using OpenSim.Framework;
using OpenSim.Framework.Communications;
using OpenSim.Framework.Console;
using OpenSim.Framework.Data;
using OpenSim.Framework.Interfaces;
using OpenSim.Framework.Servers;
using OpenSim.Framework.Types;
using OpenSim.Framework.Configuration;
using OpenSim.Physics.Manager;

using OpenSim.Region.ClientStack;
using OpenSim.Region.Communications.Local;
using OpenSim.Region.Communications.OGS1;
using OpenSim.Framework.Communications.Caches;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Region.Environment;
using System.Text;
using System.Collections.Generic;
using OpenSim.Framework.Utilities;

namespace OpenSim
{
    public delegate void ConsoleCommand(string comParams);

    public class OpenSimMain : RegionApplicationBase, conscmd_callback
    {
        public string m_physicsEngine;
        public bool m_sandbox;
        public bool user_accounts;
        public bool m_gridLocalAsset;

        protected string m_storageDLL = "OpenSim.DataStore.NullStorage.dll";

        protected List<UDPServer> m_udpServers = new List<UDPServer>();
        protected List<RegionInfo> m_regionData = new List<RegionInfo>();
        protected List<Scene> m_localScenes = new List<Scene>();

        private bool m_silent;
        private string m_logFilename = ("region-console.log");

        private bool standaloneAuthenticate = false;
        private string welcomeMessage = null;

        public ConsoleCommand CreateAccount = null;

        public OpenSimMain(IConfigSource configSource)
            : base()
        {
            IConfigSource startupSource = configSource;
            string iniFile = startupSource.Configs["Startup"].GetString("inifile", "OpenSim.ini");

            //check for .INI file (either default or name passed in command line)
            string iniFilePath = Path.Combine(Util.configDir(), iniFile);
            if (File.Exists(iniFilePath))
            {
                startupSource = new IniConfigSource(iniFilePath);

                //enable following line, if we want the original config source(normally commandline args) merged with ini file settings.
                //in this case we have it so that if both sources have the same named setting, the command line value will overwrite the ini file value. 
                //(as if someone has bothered to enter a command line arg, we should take notice of it)
                startupSource.Merge(configSource);
            }

            ReadConfigSettings(startupSource);
        }

        protected void ReadConfigSettings(IConfigSource configSource)
        {
            m_sandbox = !configSource.Configs["Startup"].GetBoolean("gridmode", false);
            m_physicsEngine = configSource.Configs["Startup"].GetString("physics", "basicphysics");
            m_silent = configSource.Configs["Startup"].GetBoolean("noverbose", false);

            m_storageDLL = configSource.Configs["Startup"].GetString("storage_plugin", "OpenSim.DataStore.NullStorage.dll");

            standaloneAuthenticate = configSource.Configs["Startup"].GetBoolean("standalone_authenticate", false);
            welcomeMessage = configSource.Configs["Startup"].GetString("standalone_welcome", "Welcome to OpenSim");
        }

        /// <summary>
        /// Performs initialisation of the scene, such as loading configuration from disk.
        /// </summary>
        public override void StartUp()
        {
            if (!Directory.Exists(Util.logDir()))
            {
                Directory.CreateDirectory(Util.logDir());
            }

            m_log = new LogBase(Path.Combine(Util.logDir(), m_logFilename), "Region", this, m_silent);
            MainLog.Instance = m_log;

            base.StartUp();

            if (m_sandbox)
            {
                CommunicationsLocal localComms  = new CommunicationsLocal(m_networkServersInfo, m_httpServer, m_assetCache, standaloneAuthenticate, welcomeMessage);
                m_commsManager = localComms;
                if(standaloneAuthenticate)
                {
                    this.CreateAccount = localComms.doCreate;
                }
            }
            else
            {
                m_commsManager = new CommunicationsOGS1(m_networkServersInfo, m_httpServer, m_assetCache);
                m_httpServer.AddStreamHandler(new SimStatusHandler());
            }

            string regionConfigPath = Path.Combine(Util.configDir(), "Regions");

            if (!Directory.Exists(regionConfigPath))
            {
                Directory.CreateDirectory(regionConfigPath);
            }

            string[] configFiles = Directory.GetFiles(regionConfigPath, "*.xml");

            if (configFiles.Length == 0)
            {
                CreateDefaultRegionInfoXml(Path.Combine(regionConfigPath, "default.xml"));
                configFiles = Directory.GetFiles(regionConfigPath, "*.xml");
            }

            // Load all script engines found
            OpenSim.Region.Environment.Scenes.Scripting.ScriptEngineLoader ScriptEngineLoader = new OpenSim.Region.Environment.Scenes.Scripting.ScriptEngineLoader();
            
            for (int i = 0; i < configFiles.Length; i++)
            {
                //Console.WriteLine("Loading region config file");
                RegionInfo regionInfo = new RegionInfo("REGION CONFIG #" + (i + 1), configFiles[i]);


                UDPServer udpServer;
                Scene scene = SetupScene(regionInfo, out udpServer);


                //OpenSim.Region.Environment.Scenes.Scripting.ScriptEngineInterface ScriptEngine = ScriptEngineLoader.LoadScriptEngine("DotNetEngine");
                //scene.AddScriptEngine(ScriptEngine);
                //// TODO: TEMP load default script
                //ScriptEngine.StartScript(Path.Combine("ScriptEngines", "default.lsl"), "TEST");


                m_localScenes.Add(scene);

                m_udpServers.Add(udpServer);
                m_regionData.Add(regionInfo);
            }

            // Start UDP servers
            for (int i = 0; i < m_udpServers.Count; i++)
            {
                this.m_udpServers[i].ServerListener();
            }

            


        }

        private static void CreateDefaultRegionInfoXml(string fileName)
        {
            new RegionInfo("DEFAULT REGION CONFIG", fileName);
        }

        protected override StorageManager CreateStorageManager(RegionInfo regionInfo)
        {
            return new StorageManager(m_storageDLL, regionInfo.DataStore, regionInfo.RegionName);
        }

        protected override Scene CreateScene(RegionInfo regionInfo, StorageManager storageManager, AgentCircuitManager circuitManager)
        {
            return new Scene(regionInfo, circuitManager, m_commsManager, m_assetCache, storageManager, m_httpServer);
        }

        protected override void Initialize()
        {
            m_networkServersInfo = new NetworkServersInfo("NETWORK SERVERS INFO", Path.Combine(Util.configDir(), "network_servers_information.xml"));
            m_httpServerPort = m_networkServersInfo.HttpListenerPort;
            m_assetCache = new AssetCache("OpenSim.Region.GridInterfaces.Local.dll", m_networkServersInfo.AssetURL, m_networkServersInfo.AssetSendKey);
        }

        protected override LogBase CreateLog()
        {
            if (!Directory.Exists(Util.logDir()))
            {
                Directory.CreateDirectory(Util.logDir());
            }

            return new LogBase((Path.Combine(Util.logDir(), m_logFilename)), "Region", this, m_silent);
        }

        # region Setup methods

        protected override PhysicsScene GetPhysicsScene()
        {
            return GetPhysicsScene(m_physicsEngine);
        }

        private class SimStatusHandler : IStreamHandler
        {
            public byte[] Handle(string path, Stream request)
            {
                return Encoding.UTF8.GetBytes("OK");
            }

            public string ContentType
            {
                get { return "text/plain"; }
            }

            public string HttpMethod
            {
                get { return "GET"; }
            }

            public string Path
            {
                get { return "/simstatus/"; }
            }
        }

        protected void ConnectToRemoteGridServer()
        {

        }

        #endregion

        /// <summary>
        /// Performs any last-minute sanity checking and shuts down the region server
        /// </summary>
        public virtual void Shutdown()
        {
            m_log.Verbose("Closing all threads");
            m_log.Verbose("Killing listener thread");
            m_log.Verbose("Killing clients");
            // IMPLEMENT THIS
            m_log.Verbose("Closing console and terminating");
            for (int i = 0; i < m_localScenes.Count; i++)
            {
                m_localScenes[i].Close();
            }
            m_log.Close();
            Environment.Exit(0);
        }

        #region Console Commands
        /// <summary>
        /// Runs commands issued by the server console from the operator
        /// </summary>
        /// <param name="command">The first argument of the parameter (the command)</param>
        /// <param name="cmdparams">Additional arguments passed to the command</param>
        public void RunCmd(string command, string[] cmdparams)
        {
            switch (command)
            {
                case "help":
                    m_log.Error("alert - send alert to a designated user or all users.");
                    m_log.Error("  alert [First] [Last] [Message] - send an alert to a user. Case sensitive.");
                    m_log.Error("  alert general [Message] - send an alert to all users.");
                    m_log.Error("backup - trigger a simulator backup");
                    m_log.Error("script - manually trigger scripts? or script commands?");
                    m_log.Error("show uptime - show simulator startup and uptime.");
                    m_log.Error("show users - show info about connected users.");
                    m_log.Error("shutdown - disconnect all clients and shutdown.");
                    m_log.Error("terrain help - show help for terrain commands.");
                    m_log.Error("quit - equivalent to shutdown.");
                    break;

                case "show":
                    if (cmdparams.Length > 0)
                    {
                        Show(cmdparams[0]);
                    }
                    break;

                case "terrain":
                    string result = "";
                    foreach (Scene scene in m_localScenes)
                    {
                        if (!scene.Terrain.RunTerrainCmd(cmdparams, ref result, scene.RegionInfo.RegionName))
                        {
                            m_log.Error(result);
                        }
                    }
                    break;
                case "script":
                    foreach (Scene scene in m_localScenes)
                    {
                        scene.SendCommandToScripts(cmdparams);
                    }
                    break;

                case "backup":
                    foreach (Scene scene in m_localScenes)
                    {
                        scene.Backup();
                    }
                    break;

                case "alert":
                    foreach (Scene scene in m_localScenes)
                    {
                        scene.HandleAlertCommand(cmdparams);
                    }
                    break;

                case "create":
                    if (CreateAccount != null)
                    {
                        CreateAccount(cmdparams[0]);
                    }
                    break;

                case "quit":
                case "shutdown":
                    Shutdown();
                    break;

                default:
                    m_log.Error("Unknown command");
                    break;
            }
        }

        /// <summary>
        /// Outputs to the console information about the region
        /// </summary>
        /// <param name="ShowWhat">What information to display (valid arguments are "uptime", "users")</param>
        public void Show(string ShowWhat)
        {
            switch (ShowWhat)
            {
                case "uptime":
                    m_log.Error("OpenSim has been running since " + m_startuptime.ToString());
                    m_log.Error("That is " + (DateTime.Now - m_startuptime).ToString());
                    break;
                case "users":
                    m_log.Error(String.Format("{0,-16}{1,-16}{2,-25}{3,-25}{4,-16}{5,-16}{6,-16}", "Firstname", "Lastname", "Agent ID", "Session ID", "Circuit", "IP", "World"));
                    for (int i = 0; i < m_localScenes.Count; i++)
                    {
                        Scene scene = m_localScenes[i];
                        foreach (Entity entity in scene.Entities.Values)
                        {
                            if (entity is ScenePresence)
                            {
                                ScenePresence scenePrescence = entity as ScenePresence;
                                m_log.Error(
                                    String.Format("{0,-16}{1,-16}{2,-25}{3,-25}{4,-16},{5,-16}{6,-16}",
                                                  scenePrescence.Firstname,
                                                  scenePrescence.Lastname,
                                                  scenePrescence.UUID,
                                                  scenePrescence.ControllingClient.AgentId,
                                                  "Unknown",
                                                  "Unknown",
                                                  scene.RegionInfo.RegionName));
                            }
                        }
                    }
                    break;
            }
        }
        #endregion
    }


}