* Refactor: Split opensim background server into a separate class

1 files changed, 680 insertions, 0 deletions

diff --git a/OpenSim/Region/Application/OpenSim.cs b/OpenSim/Region/Application/OpenSim.cs
new file mode 100644
index 0000000..1bed036
--- /dev/null
+++ b/OpenSim/Region/Application/OpenSim.cs
@@ -0,0 +1,680 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.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.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+using System.Reflection;
+using System.Threading;
+using libsecondlife;
+using log4net;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Framework.Console;
+using OpenSim.Framework.Statistics;
+using OpenSim.Region.Environment.Interfaces;
+using OpenSim.Region.Environment.Scenes;
+using Timer=System.Timers.Timer;
+
+namespace OpenSim
+{
+    public delegate void ConsoleCommand(string[] comParams);
+
+    /// <summary>
+    /// Interactive OpenSim region server
+    /// </summary>
+    public class OpenSim : OpenSimBase, conscmd_callback
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        protected string m_startupCommandsFile;
+        protected string m_shutdownCommandsFile;
+
+        private string m_timedScript = "disabled";
+        private Timer m_scriptTimer;
+
+        public OpenSim(IConfigSource configSource) : base(configSource)
+        {
+        }
+
+        protected override void ReadConfigSettings()
+        {
+            IConfig startupConfig = m_config.Configs["Startup"];
+
+            if (startupConfig != null)
+            {
+                m_startupCommandsFile = startupConfig.GetString("startup_console_commands_file", String.Empty);
+                m_shutdownCommandsFile = startupConfig.GetString("shutdown_console_commands_file", String.Empty);
+
+                m_timedScript = startupConfig.GetString("timer_Script", "disabled");
+            }
+            base.ReadConfigSettings();
+        }
+
+        /// <summary>
+        /// Performs initialisation of the scene, such as loading configuration from disk.
+        /// </summary>
+        public override void StartUp()
+        {
+            //
+            // Called from app startup (OpenSim.Application)
+            //
+
+            m_log.Info("====================================================================");
+            m_log.Info("========================= STARTING OPENSIM =========================");
+            m_log.Info("====================================================================");
+            m_log.InfoFormat("[OPENSIM MAIN]: Running in {0} mode", (m_sandbox ? "sandbox" : "grid"));
+
+            m_console = CreateConsole();
+            MainConsole.Instance = m_console;
+            InternalStartUp();
+
+            //Run Startup Commands
+            if (m_startupCommandsFile != String.Empty)
+            {
+                RunCommandScript(m_startupCommandsFile);
+            }
+            else
+            {
+                m_log.Info("[STARTUP]: No startup command script specified. Moving on...");
+            }
+
+            // Start timer script (run a script every xx seconds)
+            if (m_timedScript != "disabled")
+            {
+                m_scriptTimer = new Timer();
+                m_scriptTimer.Enabled = true;
+                m_scriptTimer.Interval = 1200 * 1000;
+                m_scriptTimer.Elapsed += RunAutoTimerScript;
+            }
+
+            PrintFileToConsole("startuplogo.txt");
+        }
+
+        protected ConsoleBase CreateConsole()
+        {
+            return new ConsoleBase("Region", this);
+        }
+
+        private void RunAutoTimerScript(object sender, EventArgs e)
+        {
+            if (m_timedScript != "disabled")
+            {
+                RunCommandScript(m_timedScript);
+            }
+        }
+
+        #region Console Commands
+
+        /// <summary>
+        ///
+        /// </summary>
+        /// <param name="fileName"></param>
+        private void RunCommandScript(string fileName)
+        {
+            m_log.Info("[COMMANDFILE]: Running " + fileName);
+            if (File.Exists(fileName))
+            {
+                StreamReader readFile = File.OpenText(fileName);
+                string currentCommand;
+                while ((currentCommand = readFile.ReadLine()) != null)
+                {
+                    if (currentCommand != String.Empty)
+                    {
+                        m_log.Info("[COMMANDFILE]: Running '" + currentCommand + "'");
+                        m_console.RunCommand(currentCommand);
+                    }
+                }
+            }
+            else
+            {
+                m_log.Error("[COMMANDFILE]: Command script missing. Can not run commands");
+            }
+        }
+
+        private static void PrintFileToConsole(string fileName)
+        {
+            if (File.Exists(fileName))
+            {
+                StreamReader readFile = File.OpenText(fileName);
+                string currentLine;
+                while ((currentLine = readFile.ReadLine()) != null)
+                {
+                    m_log.Info("[!]" + currentLine);
+                }
+            }
+        }
+
+
+        /// <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 override void RunCmd(string command, string[] cmdparams)
+        {
+            base.RunCmd(command, cmdparams);
+
+            switch (command)
+            {
+                case "clear-assets":
+                    m_assetCache.Clear();
+                    break;
+
+                case "set-time":
+                    m_sceneManager.SetCurrentSceneTimePhase(Convert.ToInt32(cmdparams[0]));
+                    break;
+
+                case "force-update":
+                    m_console.Notice("Updating all clients");
+                    m_sceneManager.ForceCurrentSceneClientUpdate();
+                    break;
+
+                case "edit-scale":
+                    if (cmdparams.Length == 4)
+                    {
+                        m_sceneManager.HandleEditCommandOnCurrentScene(cmdparams);
+                    }
+                    break;
+
+                case "debug":
+                    if (cmdparams.Length > 0)
+                    {
+                        Debug(cmdparams);
+                    }
+                    break;
+
+                case "scene-debug":
+                    if (cmdparams.Length == 3)
+                    {
+                        if (m_sceneManager.CurrentScene == null)
+                        {
+                            m_console.Error("CONSOLE", "Please use 'change-region <regioname>' first");
+                        }
+                        else
+                        {
+                            m_sceneManager.CurrentScene.SetSceneCoreDebug(!Convert.ToBoolean(cmdparams[0]), !Convert.ToBoolean(cmdparams[1]), !Convert.ToBoolean(cmdparams[2]));
+                        }
+                    }
+                    else
+                    {
+                        m_console.Error("scene-debug <scripting> <collisions> <physics> (where inside <> is true/false)");
+                    }
+                    break;
+
+                case "help":
+                    m_console.Notice("alert - send alert to a designated user or all users.");
+                    m_console.Notice("  alert [First] [Last] [Message] - send an alert to a user. Case sensitive.");
+                    m_console.Notice("  alert general [Message] - send an alert to all users.");
+                    m_console.Notice("backup - trigger a simulator backup");
+                    m_console.Notice("clear-assets - clear asset cache");
+                    m_console.Notice("create-region <name> <regionfile.xml> - creates a new region");
+                    m_console.Notice("create user - adds a new user.");
+                    m_console.Notice("change-region [name] - sets the region that many of these commands affect.");
+                    m_console.Notice("command-script [filename] - Execute command in a file.");
+                    m_console.Notice("debug - debugging commands");
+                    m_console.Notice("  packet 0..255 - print incoming/outgoing packets (0=off)");
+                    m_console.Notice("scene-debug [scripting] [collision] [physics] - Enable/Disable debug stuff, each can be True/False");
+                    m_console.Notice("edit-scale [prim name] [x] [y] [z] - resize given prim");
+                    m_console.Notice("export-map [filename] - save image of world map");
+                    m_console.Notice("force-update - force an update of prims in the scene");
+                    m_console.Notice("load-xml [filename] - load prims from XML (DEPRECATED)");
+                    m_console.Notice("load-xml2 [filename] - load prims from XML using version 2 format");
+                    m_console.Notice("restart - disconnects all clients and restarts the sims in the instance.");
+                    m_console.Notice("remove-region [name] - remove a region");
+                    m_console.Notice("save-xml [filename] - save prims to XML (DEPRECATED)");
+                    m_console.Notice("save-xml2 [filename] - save prims to XML using version 2 format");
+                    m_console.Notice("script - manually trigger scripts? or script commands?");
+                    m_console.Notice("set-time [x] - set the current scene time phase");
+                    m_console.Notice("show assets - show state of asset cache.");
+                    m_console.Notice("show users - show info about connected users.");
+                    m_console.Notice("show modules - shows info about loaded modules.");
+                    m_console.Notice("show regions - show running region information.");
+                    m_console.Notice("threads - list threads");
+                    m_console.Notice("config set section field value - set a config value");
+                    m_console.Notice("config get section field - get a config value");
+                    m_console.Notice("config save - save OpenSim.ini");
+                    m_console.Notice("terrain help - show help for terrain commands.");
+                    break;
+
+                case "threads":
+//                     m_console.Notice("THREAD", Process.GetCurrentProcess().Threads.Count + " threads running:");
+//                     int _tc = 0;
+
+//                     foreach (ProcessThread pt in Process.GetCurrentProcess().Threads)
+//                     {
+//                         _tc++;
+//                         m_console.Notice("THREAD", _tc + ": ID: " + pt.Id + ", Started: " + pt.StartTime.ToString() + ", CPU time: " + pt.TotalProcessorTime + ", Pri: " + pt.BasePriority.ToString() + ", State: " + pt.ThreadState.ToString());
+//                     }
+
+                    List<Thread> threads = ThreadTracker.GetThreads();
+                    if (threads == null)
+                    {
+                        m_console.Notice("THREAD", "Thread tracking is only enabled in DEBUG mode.");
+                    }
+                    else
+                    {
+                        int _tc = 0;
+                        m_console.Notice("THREAD", threads.Count + " threads are being tracked:");
+                        foreach (Thread t in threads)
+                        {
+                            _tc++;
+                            m_console.Notice("THREAD", _tc + ": ID: " + t.ManagedThreadId.ToString() + ", Name: " + t.Name + ", Alive: " + t.IsAlive.ToString() + ", Pri: " + t.Priority.ToString() + ", State: " + t.ThreadState.ToString());
+                        }
+                    }
+
+                    break;
+                case "save-xml":
+                    m_log.Error("[CONSOLE]: PLEASE NOTE, save-xml is DEPRECATED and may be REMOVED soon.  If you are using this and there is some reason you can't use save-xml2, please file a mantis detailing the reason.");
+
+                    if (cmdparams.Length > 0)
+                    {
+                        m_sceneManager.SaveCurrentSceneToXml(cmdparams[0]);
+                    }
+                    else
+                    {
+                        m_sceneManager.SaveCurrentSceneToXml(DEFAULT_PRIM_BACKUP_FILENAME);
+                    }
+                    break;
+
+                case "load-xml":
+                    m_log.Error("[CONSOLE]: PLEASE NOTE, load-xml is DEPRECATED and may be REMOVED soon.  If you are using this and there is some reason you can't use load-xml2, please file a mantis detailing the reason.");
+
+                    LLVector3 loadOffset = new LLVector3(0, 0, 0);
+                    if (cmdparams.Length > 0)
+                    {
+                        bool generateNewIDS = false;
+                        if (cmdparams.Length > 1)
+                        {
+                            if (cmdparams[1] == "-newUID")
+                            {
+                                generateNewIDS = true;
+                            }
+                            if (cmdparams.Length > 2)
+                            {
+                                loadOffset.X = (float) Convert.ToDecimal(cmdparams[2]);
+                                if (cmdparams.Length > 3)
+                                {
+                                    loadOffset.Y = (float) Convert.ToDecimal(cmdparams[3]);
+                                }
+                                if (cmdparams.Length > 4)
+                                {
+                                    loadOffset.Z = (float) Convert.ToDecimal(cmdparams[4]);
+                                }
+                                m_console.Error("loadOffsets <X,Y,Z> = <" + loadOffset.X + "," + loadOffset.Y + "," +
+                                                loadOffset.Z + ">");
+                            }
+                        }
+                        m_sceneManager.LoadCurrentSceneFromXml(cmdparams[0], generateNewIDS, loadOffset);
+                    }
+                    else
+                    {
+                        m_sceneManager.LoadCurrentSceneFromXml(DEFAULT_PRIM_BACKUP_FILENAME, false, loadOffset);
+                    }
+                    break;
+
+                case "save-xml2":
+                    if (cmdparams.Length > 0)
+                    {
+                        m_sceneManager.SaveCurrentSceneToXml2(cmdparams[0]);
+                    }
+                    else
+                    {
+                        m_sceneManager.SaveCurrentSceneToXml2(DEFAULT_PRIM_BACKUP_FILENAME);
+                    }
+                    break;
+
+                case "load-xml2":
+                    if (cmdparams.Length > 0)
+                    {
+                        m_sceneManager.LoadCurrentSceneFromXml2(cmdparams[0]);
+                    }
+                    else
+                    {
+                        m_sceneManager.LoadCurrentSceneFromXml2(DEFAULT_PRIM_BACKUP_FILENAME);
+                    }
+                    break;
+
+                case "load-oar":
+                    m_log.Error("[CONSOLE]: Don't use me - I haven't yet been sufficiently implemented!");
+
+                    if (cmdparams.Length > 0)
+                    {
+                        m_sceneManager.LoadArchiveToCurrentScene(cmdparams[0]);
+                    }
+                    else
+                    {
+                        m_sceneManager.LoadArchiveToCurrentScene(DEFAULT_OAR_BACKUP_FILENAME);
+                    }
+                    break;
+                    
+                case "save-oar":
+                    m_log.Error("[CONSOLE]: Don't use me - I haven't yet been sufficiently implemented!");
+
+                    if (cmdparams.Length > 0)
+                    {
+                        m_sceneManager.SaveCurrentSceneToArchive(cmdparams[0]);
+                    }
+                    else
+                    {
+                        m_sceneManager.SaveCurrentSceneToArchive(DEFAULT_OAR_BACKUP_FILENAME);
+                    }
+                    break;
+
+                case "plugin":
+                    m_sceneManager.SendCommandToPluginModules(cmdparams);
+                    break;
+
+                case "command-script":
+                    if (cmdparams.Length > 0)
+                    {
+                        RunCommandScript(cmdparams[0]);
+                    }
+                    break;
+
+                case "backup":
+                    m_sceneManager.BackupCurrentScene();
+                    break;
+
+                case "alert":
+                    m_sceneManager.HandleAlertCommandOnCurrentScene(cmdparams);
+                    break;
+
+                case "create":
+                    CreateAccount(cmdparams);
+                    break;
+
+                case "create-region":
+                    CreateRegion(new RegionInfo(cmdparams[0], "Regions/" + cmdparams[1],false), true);
+                    break;
+                case "remove-region":
+                    string regName = CombineParams(cmdparams, 0);
+
+                    Scene killScene;
+                    if (m_sceneManager.TryGetScene(regName, out killScene))
+                    {
+                        // only need to check this if we are not at the
+                        // root level
+                        if ((m_sceneManager.CurrentScene != null) &&
+                            (m_sceneManager.CurrentScene.RegionInfo.RegionID == killScene.RegionInfo.RegionID))
+                        {
+                            m_sceneManager.TrySetCurrentScene("..");
+                        }
+                        m_regionData.Remove(killScene.RegionInfo);
+                        m_sceneManager.CloseScene(killScene);
+                    }
+                    break;
+
+                case "restart":
+                    m_sceneManager.RestartCurrentScene();
+                    break;
+
+                case "change-region":
+                    if (cmdparams.Length > 0)
+                    {
+                        string regionName = CombineParams(cmdparams, 0);
+
+                        if (!m_sceneManager.TrySetCurrentScene(regionName))
+                        {
+                            m_console.Error("Couldn't set current region to: " + regionName);
+                        }
+                    }
+
+                    if (m_sceneManager.CurrentScene == null)
+                    {
+                        m_console.Error("CONSOLE", "Currently at Root level. To change region please use 'change-region <regioname>'");
+                    }
+                    else
+                    {
+                        m_console.Error("CONSOLE", "Current Region: " + m_sceneManager.CurrentScene.RegionInfo.RegionName +
+                                        ". To change region please use 'change-region <regioname>'");
+                    }
+
+                    break;
+
+                case "export-map":
+                    if (cmdparams.Length > 0)
+                    {
+                        m_sceneManager.CurrentOrFirstScene.ExportWorldMap(cmdparams[0]);
+                    }
+                    else
+                    {
+                        m_sceneManager.CurrentOrFirstScene.ExportWorldMap("exportmap.jpg");
+                    }
+                    break;
+
+                case "config":
+                    string n = command.ToUpper();
+                    if (cmdparams.Length > 0)
+                    {
+                        switch (cmdparams[0].ToLower())
+                        {
+                            case "set":
+                                if (cmdparams.Length < 4)
+                                {
+                                    m_console.Error(n, "SYNTAX: " + n + " SET SECTION KEY VALUE");
+                                    m_console.Error(n, "EXAMPLE: " + n + " SET ScriptEngine.DotNetEngine NumberOfScriptThreads 5");
+                                }
+                                else
+                                {
+                                    IConfig c = DefaultConfig().Configs[cmdparams[1]];
+                                    if (c == null)
+                                        c = DefaultConfig().AddConfig(cmdparams[1]);
+                                    string _value = String.Join(" ", cmdparams, 3, cmdparams.Length - 3);
+                                    c.Set(cmdparams[2], _value);
+                                    m_config.Merge(c.ConfigSource);
+
+                                    m_console.Error(n, n + " " + n + " " + cmdparams[1] + " " + cmdparams[2] + " " +
+                                                    _value);
+                                }
+                                break;
+                            case "get":
+                                if (cmdparams.Length < 3)
+                                {
+                                    m_console.Error(n, "SYNTAX: " + n + " GET SECTION KEY");
+                                    m_console.Error(n, "EXAMPLE: " + n + " GET ScriptEngine.DotNetEngine NumberOfScriptThreads");
+                                }
+                                else
+                                {
+                                    IConfig c = DefaultConfig().Configs[cmdparams[1]];
+                                    if (c == null)
+                                    {
+                                        m_console.Notice(n, "Section \"" + cmdparams[1] + "\" does not exist.");
+                                        break;
+                                    }
+                                    else
+                                    {
+                                        m_console.Notice(n + " GET " + cmdparams[1] + " " + cmdparams[2] + ": " +
+                                                         c.GetString(cmdparams[2]));
+                                    }
+                                }
+
+                                break;
+                            case "save":
+                                m_console.Notice("Saving configuration file: " + Application.iniFilePath);
+                                m_config.Save(Application.iniFilePath);
+                                break;
+                        }
+                    }
+                    break;
+                case "modules":
+                    if (cmdparams.Length > 0)
+                    {
+                        switch (cmdparams[0].ToLower())
+                        {
+                            case "list":
+                                foreach (IRegionModule irm in m_moduleLoader.GetLoadedSharedModules)
+                                {
+                                    m_console.Notice("Shared region module: " + irm.Name);
+                                }
+                                break;
+                            case "unload":
+                                if (cmdparams.Length > 1)
+                                {
+                                    foreach (IRegionModule rm in new ArrayList(m_moduleLoader.GetLoadedSharedModules))
+                                    {
+                                        if (rm.Name.ToLower() == cmdparams[1].ToLower())
+                                        {
+                                            m_console.Notice("Unloading module: " + rm.Name);
+                                            m_moduleLoader.UnloadModule(rm);
+                                        }
+                                    }
+                                }
+                                break;
+                            case "load":
+                                if (cmdparams.Length > 1)
+                                {
+                                    foreach (Scene s in new ArrayList(m_sceneManager.Scenes))
+                                    {
+
+                                        m_console.Notice("Loading module: " + cmdparams[1]);
+                                        m_moduleLoader.LoadRegionModules(cmdparams[1], s);
+                                    }
+                                }
+                                break;
+                        }
+                    }
+
+                    break;
+                default:
+                    string[] tmpPluginArgs = new string[cmdparams.Length + 1];
+                    cmdparams.CopyTo(tmpPluginArgs, 1);
+                    tmpPluginArgs[0] = command;
+
+                    m_sceneManager.SendCommandToPluginModules(tmpPluginArgs);
+                    break;
+            }
+        }
+
+        public void Debug(string[] args)
+        {
+            switch (args[0])
+            {
+                case "packet":
+                    if (args.Length > 1)
+                    {
+                        int newDebug;
+                        if (int.TryParse(args[1], out newDebug))
+                        {
+                            m_sceneManager.SetDebugPacketOnCurrentScene(newDebug);
+                        }
+                        else
+                        {
+                            m_console.Error("packet debug should be 0..2");
+                        }
+                        m_console.Notice("New packet debug: " + newDebug.ToString());
+                    }
+
+                    break;
+                default:
+                    m_console.Error("Unknown debug");
+                    break;
+            }
+        }
+
+        // see BaseOpenSimServer
+        public override void Show(string ShowWhat)
+        {
+            base.Show(ShowWhat);
+
+            switch (ShowWhat)
+            {
+                case "assets":
+                    m_assetCache.ShowState();
+                    break;
+
+                case "users":
+                    IList agents = m_sceneManager.GetCurrentSceneAvatars();
+
+                    m_console.Notice(String.Format("\nAgents connected: {0}\n", agents.Count));
+
+                    m_console.Notice(
+                        String.Format("{0,-16}{1,-16}{2,-37}{3,-16}", "Firstname", "Lastname",
+                                      "Agent ID","Region"));
+
+                    foreach (ScenePresence presence in agents)
+                    {
+                        RegionInfo regionInfo = m_sceneManager.GetRegionInfo(presence.RegionHandle);
+                        string regionName;
+
+                        if (regionInfo == null)
+                        {
+                            regionName = "Unresolvable";
+                        }
+                        else
+                        {
+                            regionName = regionInfo.RegionName;
+                        }
+
+                        m_console.Notice(
+                            String.Format(
+                                 "{0,-16}{1,-16}{2,-37}{3,-16}",
+                                 presence.Firstname,
+                                 presence.Lastname,
+                                 presence.UUID,
+                                 regionName));
+                    }
+
+                    m_console.Notice("");
+                    break;
+
+                case "modules":
+                    m_console.Notice("The currently loaded shared modules are:");
+                    foreach (IRegionModule module in m_moduleLoader.GetLoadedSharedModules)
+                    {
+                        m_console.Notice("Shared Module: " + module.Name);
+                    }
+                    break;
+
+                case "regions":
+                    m_sceneManager.ForEachScene(
+                        delegate(Scene scene)
+                        {
+                            m_console.Notice("Region Name: " + scene.RegionInfo.RegionName + " , Region XLoc: " +
+                                             scene.RegionInfo.RegionLocX + " , Region YLoc: " +
+                                             scene.RegionInfo.RegionLocY);
+                        });
+                    break;
+            }
+        }
+
+        private static string CombineParams(string[] commandParams, int pos)
+        {
+            string result = String.Empty;
+            for (int i = pos; i < commandParams.Length; i++)
+            {
+                result += commandParams[i] + " ";
+            }
+            result = result.TrimEnd(' ');
+            return result;
+        }
+
+        #endregion
+    }
+}