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using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using System.IO;
using OpenSim.Framework.Interfaces;
using OpenSim.Framework.Assets;
using OpenSim.Framework.Utilities;
using libsecondlife;
using Db4objects.Db4o;
using Db4objects.Db4o.Query;
namespace OpenSim.GridInterfaces.Local
{
public class LocalAssetPlugin : IAssetPlugin
{
public LocalAssetPlugin()
{
}
public IAssetServer GetAssetServer()
{
return (new LocalAssetServer());
}
}
public class LocalAssetServer : IAssetServer
{
private IAssetReceiver _receiver;
private BlockingQueue<ARequest> _assetRequests;
private IObjectContainer db;
private Thread _localAssetServerThread;
public LocalAssetServer()
{
bool yapfile;
this._assetRequests = new BlockingQueue<ARequest>();
yapfile = System.IO.File.Exists("assets.yap");
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("Local Asset Server class created");
try
{
db = Db4oFactory.OpenFile("assets.yap");
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("Db4 Asset database creation");
}
catch (Exception e)
{
db.Close();
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("Db4 Asset server :Constructor - Exception occured");
OpenSim.Framework.Console.MainConsole.Instance.WriteLine(e.ToString());
}
if (!yapfile)
{
this.SetUpAssetDatabase();
}
this._localAssetServerThread = new Thread(new ThreadStart(RunRequests));
this._localAssetServerThread.IsBackground = true;
this._localAssetServerThread.Start();
}
public void SetReceiver(IAssetReceiver receiver)
{
this._receiver = receiver;
}
public void RequestAsset(LLUUID assetID, bool isTexture)
{
ARequest req = new ARequest();
req.AssetID = assetID;
req.IsTexture = isTexture;
this._assetRequests.Enqueue(req);
}
public void UpdateAsset(AssetBase asset)
{
}
public void UploadNewAsset(AssetBase asset)
{
AssetStorage store = new AssetStorage();
store.Data = asset.Data;
store.Name = asset.Name;
store.UUID = asset.FullID;
db.Set(store);
db.Commit();
}
public void SetServerInfo(string ServerUrl, string ServerKey)
{
}
public void Close()
{
if (db != null)
{
Console.WriteLine("Closing local Asset server database");
db.Close();
}
}
private void RunRequests()
{
while (true)
{
byte[] idata = null;
bool found = false;
AssetStorage foundAsset = null;
ARequest req = this._assetRequests.Dequeue();
IObjectSet result = db.Query(new AssetUUIDQuery(req.AssetID));
if (result.Count > 0)
{
foundAsset = (AssetStorage)result.Next();
found = true;
}
AssetBase asset = new AssetBase();
if (found)
{
asset.FullID = foundAsset.UUID;
asset.Type = foundAsset.Type;
asset.InvType = foundAsset.Type;
asset.Name = foundAsset.Name;
idata = foundAsset.Data;
}
else
{
asset.FullID = LLUUID.Zero;
}
asset.Data = idata;
_receiver.AssetReceived(asset, req.IsTexture);
}
}
private void SetUpAssetDatabase()
{
Console.WriteLine("setting up Asset database");
AssetBase Image = new AssetBase();
Image.FullID = new LLUUID("00000000-0000-0000-9999-000000000001");
Image.Name = "test Texture";
this.LoadAsset(Image, true, "testpic2.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 = "test Texture2";
this.LoadAsset(Image, true, "map_base.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, "testpic2.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();
}
private void LoadAsset(AssetBase info, bool image, string filename)
{
//should request Asset from storage manager
//but for now read from file
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;
}
}
}
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