/*
* 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.IO;
using System.Reflection;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Framework.Communications.Cache;
using OpenSim.Region.Environment.Scenes;
namespace OpenSim.Region.Environment.Modules.World.Estate
{
public class EstateTerrainXferHandler
{
//private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private AssetBase m_asset;
public delegate void TerrainUploadComplete(string name, byte[] filedata, IClientAPI remoteClient);
public event TerrainUploadComplete TerrainUploadDone;
//private string m_description = String.Empty;
//private string m_name = String.Empty;
//private UUID TransactionID = UUID.Zero;
private sbyte type = 0;
public ulong mXferID;
private TerrainUploadComplete handlerTerrainUploadDone;
public EstateTerrainXferHandler(IClientAPI pRemoteClient, string pClientFilename)
{
m_asset = new AssetBase();
m_asset.Metadata.FullID = UUID.Zero;
m_asset.Metadata.Type = type;
m_asset.Data = new byte[0];
m_asset.Metadata.Name = pClientFilename;
m_asset.Metadata.Description = "empty";
m_asset.Metadata.Local = true;
m_asset.Metadata.Temporary = true;
}
public ulong XferID
{
get { return mXferID; }
}
public void RequestStartXfer(IClientAPI pRemoteClient)
{
mXferID = Util.GetNextXferID();
pRemoteClient.SendXferRequest(mXferID, m_asset.Metadata.Type, m_asset.Metadata.FullID, 0, Utils.StringToBytes(m_asset.Metadata.Name));
}
///
/// Process transfer data received from the client.
///
///
///
///
public void XferReceive(IClientAPI remoteClient, ulong xferID, uint packetID, byte[] data)
{
if (mXferID == xferID)
{
if (m_asset.Data.Length > 1)
{
byte[] destinationArray = new byte[m_asset.Data.Length + data.Length];
Array.Copy(m_asset.Data, 0, destinationArray, 0, m_asset.Data.Length);
Array.Copy(data, 0, destinationArray, m_asset.Data.Length, data.Length);
m_asset.Data = destinationArray;
}
else
{
byte[] buffer2 = new byte[data.Length - 4];
Array.Copy(data, 4, buffer2, 0, data.Length - 4);
m_asset.Data = buffer2;
}
remoteClient.SendConfirmXfer(xferID, packetID);
if ((packetID & 0x80000000) != 0)
{
SendCompleteMessage(remoteClient);
}
}
}
public void SendCompleteMessage(IClientAPI remoteClient)
{
handlerTerrainUploadDone = TerrainUploadDone;
if (handlerTerrainUploadDone != null)
{
handlerTerrainUploadDone(m_asset.Metadata.Name, m_asset.Data, remoteClient);
}
}
}
}