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/*
Copyright (c) 2007 Michael Wright
* Copyright (c) <year>, <copyright holder>
* 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.Collections.Generic;
using libsecondlife;
using System.Collections;
using libsecondlife.Packets;
using libsecondlife.AssetSystem;
using System.IO;
namespace Second_server
{
/// <summary>
/// Description of Asset_manager.
/// </summary>
public class Asset_manager
{
public Dictionary<libsecondlife.LLUUID,Asset_info> Assets;
public ArrayList requests=new ArrayList(); //should change to a generic
// public ArrayList uploads=new ArrayList();
private Server server;
public Asset_manager(Server serve)
{
server=serve;
Assets=new Dictionary<libsecondlife.LLUUID,Asset_info> ();
this.initialise();
}
public void add_request(User_Agent_info user, LLUUID asset_id, TransferRequestPacket tran_req)
{
if(!this.Assets.ContainsKey(asset_id))
{
//not found asset
return;
}
Asset_info info=this.Assets[asset_id];
System.Console.WriteLine("send asset : "+asset_id);
//for now as it will be only skin or shape request just send back the asset
TransferInfoPacket tran_i=new TransferInfoPacket();
tran_i.TransferInfo.ChannelType=2;
tran_i.TransferInfo.Status=0;
tran_i.TransferInfo.TargetType=0;
tran_i.TransferInfo.Params=tran_req.TransferInfo.Params;
tran_i.TransferInfo.Size=info.data.Length;
tran_i.TransferInfo.TransferID=tran_req.TransferInfo.TransferID;
server.SendPacket(tran_i,true,user);
TransferPacketPacket tran_p=new TransferPacketPacket();
tran_p.TransferData.Packet=0;
tran_p.TransferData.ChannelType=2;
tran_p.TransferData.TransferID=tran_req.TransferInfo.TransferID;
if(info.data.Length>1000) //but needs to be less than 2000 at the moment
{
byte[] chunk=new byte[1000];
Array.Copy(info.data,chunk,1000);
tran_p.TransferData.Data=chunk;
tran_p.TransferData.Status=0;
server.SendPacket(tran_p,true,user);
tran_p=new TransferPacketPacket();
tran_p.TransferData.Packet=1;
tran_p.TransferData.ChannelType=2;
tran_p.TransferData.TransferID=tran_req.TransferInfo.TransferID;
byte[] chunk1=new byte[(info.data.Length-1000)];
Array.Copy(info.data,1000,chunk1,0,chunk1.Length);
tran_p.TransferData.Data=chunk1;
tran_p.TransferData.Status=1;
server.SendPacket(tran_p,true,user);
}
else
{
tran_p.TransferData.Status=1; //last packet? so set to 1
tran_p.TransferData.Data=info.data;
server.SendPacket(tran_p,true,user);
}
}
private void initialise()
{
//for now read in our test image
Asset_info im=new Asset_info();
im.filename="base_shape.dat";
im.Full_ID=new LLUUID("66c41e39-38f9-f75a-024e-585989bfab73");
this.load_asset(im);
this.Assets.Add(im.Full_ID,im);
}
private void load_asset(Asset_info info)
{
string data_path=System.Windows.Forms.Application.StartupPath + @"\assets\";
string filename=data_path+@info.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;
}
}
public class Asset_request
{
public User_Agent_info req_user;
public LLUUID req_image;
public Asset_info asset_inf;
public long data_pointer=0;
public int num_packets=0;
public int packet_counter=0;
public Asset_request()
{
}
}
public class Asset_info
{
public byte[] data;
public LLUUID Full_ID;
public string name;
public string filename;
public bool loaded;
public ulong last_used; //need to add a tick/time counter and keep record
// of how often images are requested to unload unused ones.
public Asset_info()
{
}
}
}
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