opensim/OpenGridServices.AssetServer/Main.cs

/*
Copyright (c) OpenSim project, http://osgrid.org/


* All rights reserved.
*
* 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 <organization> 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 <copyright holder> ``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 <copyright holder> 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 System.Text;
using System.Timers;
using System.Net;
using System.Reflection;
using System.Threading;
using libsecondlife;
using OpenSim.Framework;
using OpenSim.Framework.Sims;
using OpenSim.Framework.Console;
using OpenSim.Framework.Types;
using OpenSim.Framework.Interfaces;
using OpenSim.GridInterfaces.Local;		// REFACTORING IS NEEDED!!!!!!!!!!!
using OpenSim.Servers;
using Db4objects.Db4o;
using Db4objects.Db4o.Query;

namespace OpenGridServices.AssetServer
{
    /// <summary>
    /// </summary>
    public class OpenAsset_Main : BaseServer, conscmd_callback
    {
        private IObjectContainer db;
        
        public static OpenAsset_Main assetserver;

        private ConsoleBase m_console;

        [STAThread]
        public static void Main(string[] args)
        {
            Console.WriteLine("Starting...\n");

            assetserver = new OpenAsset_Main();
            assetserver.Startup();

            assetserver.Work();
        }

        private void Work()
        {
            m_console.WriteLine("\nEnter help for a list of commands\n");

            while (true)
            {
                m_console.MainConsolePrompt();
            }
        }

        private OpenAsset_Main()
        {
            m_console = new ConsoleBase("opengrid-AssetServer-console.log", "OpenGrid", this, false);
            MainConsole.Instance = m_console;
        }

        public void Startup()
        {
	    m_console.WriteLine("Main.cs:Startup() - Setting up asset DB");
 	    setupDB();	   

            m_console.WriteLine("Main.cs:Startup() - Starting HTTP process");
            BaseHttpServer httpServer = new BaseHttpServer(8003);


	    httpServer.AddRestHandler("GET", "/assets/", this.assetGetMethod);


            httpServer.Start();

        }

	public string assetGetMethod(string request, string path, string param) {
		byte[] assetdata=getAssetData(new LLUUID(param),false);
		if(assetdata!=null) {
			return System.Text.Encoding.ASCII.GetString(assetdata);
		} else {
			return "";
		}

	}

	public byte[] getAssetData(LLUUID assetID, bool isTexture) {
		byte[] idata = null;
                bool found = false;
                AssetStorage foundAsset = null;

                IObjectSet result = db.Get(new AssetStorage(assetID));
                if (result.Count > 0)
                {
                    foundAsset = (AssetStorage)result.Next();
                    found = true;
                }

                if (found)
                {
                    return foundAsset.Data;
                }
                else
                {
                    return null;
                }
	}

	public void setupDB() {
		bool yapfile=System.IO.File.Exists("assets.yap");
		try
	            {
	                db = Db4oFactory.OpenFile("assets.yap");
	                OpenSim.Framework.Console.MainConsole.Instance.WriteLine("Main.cs:setupDB() - creation");
	            }
	        catch (Exception e)
	            {
	                db.Close();
	                OpenSim.Framework.Console.MainConsole.Instance.WriteLine("Main.cs:setupDB() - Exception occured");
	                OpenSim.Framework.Console.MainConsole.Instance.WriteLine(e.ToString());
	            }
	        if (!yapfile)
	            {
	                this.LoadDB();
	            }
	}

	public void LoadDB() {
		try
	            {

	                Console.WriteLine("setting up Asset database");
	
	                AssetBase Image = new AssetBase();
	                Image.FullID = new LLUUID("00000000-0000-0000-9999-000000000001");
	                Image.Name = "Bricks";
	                this.LoadAsset(Image, true, "bricks.jp2");
	                AssetStorage store = new AssetStorage();
	                store.Data = Image.Data;
	                store.Name = Image.Name;
	                store.UUID = Image.FullID;
	                db.Set(store);
	                db.Commit();

	                Image = new AssetBase();
                	Image.FullID = new LLUUID("00000000-0000-0000-9999-000000000002");
	                Image.Name = "Plywood";
	                this.LoadAsset(Image, true, "plywood.jp2");
	                store = new AssetStorage();
	                store.Data = Image.Data;
	                store.Name = Image.Name;
	                store.UUID = Image.FullID;
	                db.Set(store);
	                db.Commit();

	                Image = new AssetBase();
	                Image.FullID = new LLUUID("00000000-0000-0000-9999-000000000003");
	                Image.Name = "Rocks";
	                this.LoadAsset(Image, true, "rocks.jp2");
	                store = new AssetStorage();
	                store.Data = Image.Data;
	                store.Name = Image.Name;
	                store.UUID = Image.FullID;
	                db.Set(store);
	                db.Commit();

	                Image = new AssetBase();
	                Image.FullID = new LLUUID("00000000-0000-0000-9999-000000000004");
                	Image.Name = "Granite";
	                this.LoadAsset(Image, true, "granite.jp2");
	                store = new AssetStorage();
	                store.Data = Image.Data;
	                store.Name = Image.Name;
	                store.UUID = Image.FullID;
	                db.Set(store);
	                db.Commit();

	                Image = new AssetBase();
	                Image.FullID = new LLUUID("00000000-0000-0000-9999-000000000005");
	                Image.Name = "Hardwood";
	                this.LoadAsset(Image, true, "hardwood.jp2");
	                store = new AssetStorage();
	                store.Data = Image.Data;
	                store.Name = Image.Name;
	                store.UUID = Image.FullID;
	                db.Set(store);
	                db.Commit();

	                Image = new AssetBase();
	                Image.FullID = new LLUUID("00000000-0000-0000-5005-000000000005");
	                Image.Name = "Prim Base Texture";
	                this.LoadAsset(Image, true, "plywood.jp2");
	                store = new AssetStorage();
	                store.Data = Image.Data;
	                store.Name = Image.Name;
	                store.UUID = Image.FullID;
	                db.Set(store);
	                db.Commit();

        	        Image = new AssetBase();
	                Image.FullID = new LLUUID("66c41e39-38f9-f75a-024e-585989bfab73");
	                Image.Name = "Shape";
	                this.LoadAsset(Image, false, "base_shape.dat");
	                store = new AssetStorage();
	                store.Data = Image.Data;
	                store.Name = Image.Name;
	                store.UUID = Image.FullID;
	                db.Set(store);
	                db.Commit();
	            }
	            catch (Exception e)
	            {
	                Console.WriteLine(e.Message);
	            }
	}

 	private void LoadAsset(AssetBase info, bool image, string filename)
        {


            string dataPath = Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "assets"); //+ folder;
            string fileName = Path.Combine(dataPath, filename);
            FileInfo fInfo = new FileInfo(fileName);
            long numBytes = fInfo.Length;
            FileStream fStream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
            byte[] idata = new byte[numBytes];
            BinaryReader br = new BinaryReader(fStream);
            idata = br.ReadBytes((int)numBytes);
            br.Close();
            fStream.Close();
            info.Data = idata;
            //info.loaded=true;
        }

        /*private GridConfig LoadConfigDll(string dllName)
        {
            Assembly pluginAssembly = Assembly.LoadFrom(dllName);
            GridConfig config = null;

            foreach (Type pluginType in pluginAssembly.GetTypes())
            {
                if (pluginType.IsPublic)
                {
                    if (!pluginType.IsAbstract)
                    {
                        Type typeInterface = pluginType.GetInterface("IGridConfig", true);

                        if (typeInterface != null)
                        {
                            IGridConfig plug = (IGridConfig)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
                            config = plug.GetConfigObject();
                            break;
                        }

                        typeInterface = null;
                    }
                }
            }
            pluginAssembly = null;
            return config;
        }*/

        public void RunCmd(string cmd, string[] cmdparams)
        {
            switch (cmd)
            {
                case "help":
                    m_console.WriteLine("shutdown - shutdown this asset server (USE CAUTION!)");
                    break;

                case "shutdown":
                    m_console.Close();
                    Environment.Exit(0);
                    break;
            }
        }

        public void Show(string ShowWhat)
        {
        }
    }
}