263 lines
9.5 KiB
C#
263 lines
9.5 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.IO;
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using System.Reflection;
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using log4net;
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using OpenMetaverse;
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using OpenSim.Framework;
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using OpenSim.Region.Framework.Scenes;
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using OpenSim.Services.Interfaces;
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namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
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{
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public class AssetXferUploader
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private AssetBase m_asset;
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private UUID InventFolder = UUID.Zero;
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private sbyte invType = 0;
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private bool m_createItem = false;
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private uint m_createItemCallback = 0;
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private string m_description = String.Empty;
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private bool m_dumpAssetToFile;
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private bool m_finished = false;
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private string m_name = String.Empty;
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private bool m_storeLocal;
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private uint nextPerm = 0;
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private IClientAPI ourClient;
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private UUID TransactionID = UUID.Zero;
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private sbyte type = 0;
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private byte wearableType = 0;
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public ulong XferID;
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private Scene m_Scene;
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public AssetXferUploader(Scene scene, bool dumpAssetToFile)
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{
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m_Scene = scene;
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m_dumpAssetToFile = dumpAssetToFile;
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}
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/// <summary>
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/// Process transfer data received from the client.
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/// </summary>
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/// <param name="xferID"></param>
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/// <param name="packetID"></param>
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/// <param name="data"></param>
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/// <returns>True if the transfer is complete, false otherwise or if the xferID was not valid</returns>
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public bool HandleXferPacket(ulong xferID, uint packetID, byte[] data)
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{
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if (XferID == xferID)
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{
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if (m_asset.Data.Length > 1)
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{
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byte[] destinationArray = new byte[m_asset.Data.Length + data.Length];
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Array.Copy(m_asset.Data, 0, destinationArray, 0, m_asset.Data.Length);
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Array.Copy(data, 0, destinationArray, m_asset.Data.Length, data.Length);
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m_asset.Data = destinationArray;
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}
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else
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{
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byte[] buffer2 = new byte[data.Length - 4];
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Array.Copy(data, 4, buffer2, 0, data.Length - 4);
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m_asset.Data = buffer2;
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}
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ourClient.SendConfirmXfer(xferID, packetID);
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if ((packetID & 0x80000000) != 0)
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{
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SendCompleteMessage();
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return true;
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}
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}
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return false;
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}
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/// <summary>
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/// Initialise asset transfer from the client
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/// </summary>
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/// <param name="xferID"></param>
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/// <param name="packetID"></param>
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/// <param name="data"></param>
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/// <returns>True if the transfer is complete, false otherwise</returns>
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public bool Initialise(IClientAPI remoteClient, UUID assetID,
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UUID transaction, sbyte type, byte[] data, bool storeLocal,
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bool tempFile)
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{
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ourClient = remoteClient;
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m_asset = new AssetBase(assetID, "blank", type,
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remoteClient.AgentId.ToString());
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m_asset.Data = data;
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m_asset.Description = "empty";
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m_asset.Local = storeLocal;
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m_asset.Temporary = tempFile;
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TransactionID = transaction;
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m_storeLocal = storeLocal;
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if (m_asset.Data.Length > 2)
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{
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SendCompleteMessage();
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return true;
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}
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else
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{
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RequestStartXfer();
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}
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return false;
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}
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protected void RequestStartXfer()
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{
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XferID = Util.GetNextXferID();
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ourClient.SendXferRequest(XferID, m_asset.Type, m_asset.FullID,
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0, new byte[0]);
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}
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protected void SendCompleteMessage()
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{
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ourClient.SendAssetUploadCompleteMessage(m_asset.Type, true,
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m_asset.FullID);
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m_finished = true;
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if (m_createItem)
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{
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DoCreateItem(m_createItemCallback);
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}
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else if (m_storeLocal)
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{
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m_Scene.AssetService.Store(m_asset);
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}
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m_log.DebugFormat(
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"[ASSET TRANSACTIONS]: Uploaded asset {0} for transaction {1}",
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m_asset.FullID, TransactionID);
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if (m_dumpAssetToFile)
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{
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DateTime now = DateTime.Now;
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string filename =
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String.Format("{6}_{7}_{0:d2}{1:d2}{2:d2}_{3:d2}{4:d2}{5:d2}.dat",
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now.Year, now.Month, now.Day, now.Hour, now.Minute,
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now.Second, m_asset.Name, m_asset.Type);
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SaveAssetToFile(filename, m_asset.Data);
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}
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}
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private void SaveAssetToFile(string filename, byte[] data)
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{
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string assetPath = "UserAssets";
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if (!Directory.Exists(assetPath))
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{
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Directory.CreateDirectory(assetPath);
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}
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FileStream fs = File.Create(Path.Combine(assetPath, filename));
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BinaryWriter bw = new BinaryWriter(fs);
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bw.Write(data);
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bw.Close();
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fs.Close();
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}
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public void RequestCreateInventoryItem(IClientAPI remoteClient,
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UUID transactionID, UUID folderID, uint callbackID,
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string description, string name, sbyte invType,
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sbyte type, byte wearableType, uint nextOwnerMask)
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{
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if (TransactionID == transactionID)
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{
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InventFolder = folderID;
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m_name = name;
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m_description = description;
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this.type = type;
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this.invType = invType;
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this.wearableType = wearableType;
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nextPerm = nextOwnerMask;
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m_asset.Name = name;
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m_asset.Description = description;
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m_asset.Type = type;
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if (m_finished)
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{
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DoCreateItem(callbackID);
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}
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else
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{
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m_createItem = true; //set flag so the inventory item is created when upload is complete
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m_createItemCallback = callbackID;
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}
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}
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}
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private void DoCreateItem(uint callbackID)
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{
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m_Scene.AssetService.Store(m_asset);
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InventoryItemBase item = new InventoryItemBase();
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item.Owner = ourClient.AgentId;
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item.CreatorId = ourClient.AgentId.ToString();
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item.ID = UUID.Random();
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item.AssetID = m_asset.FullID;
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item.Description = m_description;
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item.Name = m_name;
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item.AssetType = type;
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item.InvType = invType;
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item.Folder = InventFolder;
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item.BasePermissions = 0x7fffffff;
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item.CurrentPermissions = 0x7fffffff;
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item.GroupPermissions=0;
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item.EveryOnePermissions=0;
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item.NextPermissions = nextPerm;
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item.Flags = (uint) wearableType;
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item.CreationDate = Util.UnixTimeSinceEpoch();
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if (m_Scene.AddInventoryItem(item))
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ourClient.SendInventoryItemCreateUpdate(item, callbackID);
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else
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ourClient.SendAlertMessage("Unable to create inventory item");
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}
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/// <summary>
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/// Get the asset data uploaded in this transfer.
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/// </summary>
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/// <returns>null if the asset has not finished uploading</returns>
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public AssetBase GetAssetData()
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{
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if (m_finished)
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{
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return m_asset;
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}
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return null;
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}
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}
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}
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