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/*
* 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.Collections.Generic;
using libsecondlife;
namespace OpenSim.Framework.Communications.Cache
{
/// <summary>
/// Provider handlers for processing asset transactions originating from the agent. This encompasses
/// clothing creation and update as well as asset uploads.
/// </summary>
public class AgentAssetTransactionsManager
{
private static readonly log4net.ILog m_log
= log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
// Fields
public CommunicationsManager CommsManager;
/// <summary>
/// Each agent has its own singleton collection of transactions
/// </summary>
private Dictionary<LLUUID, AgentAssetTransactions> AgentTransactions =
new Dictionary<LLUUID, AgentAssetTransactions>();
/// <summary>
/// Should we dump uploaded assets to the filesystem?
/// </summary>
private bool m_dumpAssetsToFile;
public AgentAssetTransactionsManager(CommunicationsManager commsManager, bool dumpAssetsToFile)
{
CommsManager = commsManager;
m_dumpAssetsToFile = dumpAssetsToFile;
}
/// <summary>
/// Get the collection of asset transactions for the given user. If one does not already exist, it
/// is created.
/// </summary>
/// <param name="userID"></param>
/// <returns></returns>
private AgentAssetTransactions GetUserTransactions(LLUUID userID)
{
lock (AgentTransactions)
{
if (!AgentTransactions.ContainsKey(userID))
{
AgentAssetTransactions transactions
= new AgentAssetTransactions(userID, this, m_dumpAssetsToFile);
AgentTransactions.Add(userID, transactions);
}
return AgentTransactions[userID];
}
}
/// <summary>
/// Remove the given agent asset transactions. This should be called when a client is departing
/// from a scene (and hence won't be making any more transactions here).
/// </summary>
/// <param name="userID"></param>
public void RemoveAgentAssetTransactions(LLUUID userID)
{
m_log.DebugFormat("Removing agent asset transactions structure for agent {0}", userID);
lock (AgentTransactions)
{
AgentTransactions.Remove(userID);
}
}
/// <summary>
/// Create an inventory item from data that has been received through a transaction.
///
/// This is called when new clothing or body parts are created. It may also be called in other
/// situations.
/// </summary>
/// <param name="remoteClient"></param>
/// <param name="transactionID"></param>
/// <param name="folderID"></param>
/// <param name="callbackID"></param>
/// <param name="description"></param>
/// <param name="name"></param>
/// <param name="invType"></param>
/// <param name="type"></param>
/// <param name="wearableType"></param>
/// <param name="nextOwnerMask"></param>
public void HandleItemCreationFromTransaction(IClientAPI remoteClient, LLUUID transactionID, LLUUID folderID,
uint callbackID, string description, string name, sbyte invType,
sbyte type, byte wearableType, uint nextOwnerMask)
{
m_log.DebugFormat(
"[TRANSACTIONS MANAGER] Called HandleItemCreationFromTransaction with item {0}", name);
AgentAssetTransactions transactions = GetUserTransactions(remoteClient.AgentId);
transactions.RequestCreateInventoryItem(
remoteClient, transactionID, folderID, callbackID, description,
name, invType, type, wearableType, nextOwnerMask);
}
/// <summary>
/// Update an inventory item with data that has been received through a transaction.
///
/// This is called when clothing or body parts are updated (for instance, with new textures or
/// colours). It may also be called in other situations.
/// </summary>
/// <param name="remoteClient"></param>
/// <param name="transactionID"></param>
/// <param name="item"></param>
public void HandleItemUpdateFromTransaction(IClientAPI remoteClient, LLUUID transactionID,
InventoryItemBase item)
{
m_log.DebugFormat(
"[TRANSACTIONS MANAGER] Called HandleItemUpdateFromTransaction with item {0}",
item.inventoryName);
AgentAssetTransactions transactions
= CommsManager.TransactionsManager.GetUserTransactions(remoteClient.AgentId);
transactions.RequestUpdateInventoryItem(remoteClient, transactionID, item);
}
/// <summary>
/// Request that a client (agent) begin an asset transfer.
/// </summary>
/// <param name="remoteClient"></param>
/// <param name="assetID"></param>
/// <param name="transaction"></param>
/// <param name="type"></param>
/// <param name="data"></param></param>
/// <param name="tempFile"></param>
public void HandleUDPUploadRequest(IClientAPI remoteClient, LLUUID assetID, LLUUID transaction, sbyte type,
byte[] data, bool storeLocal, bool tempFile)
{
// Console.WriteLine("asset upload of " + assetID);
AgentAssetTransactions transactions = GetUserTransactions(remoteClient.AgentId);
AgentAssetTransactions.AssetXferUploader uploader = transactions.RequestXferUploader(transaction);
if (uploader != null)
{
// Upload has already compelted uploading...
if (uploader.Initialise(remoteClient, assetID, transaction, type, data, storeLocal, tempFile))
{
//[commenting out as this removal breaks uploads]
/*lock (transactions.XferUploaders)
{
// XXX Weak ass way of doing this by directly manipulating this public dictionary, purely temporary
transactions.XferUploaders.Remove(uploader.TransactionID);
//m_log.InfoFormat("[ASSET TRANSACTIONS] Current uploaders: {0}", transactions.XferUploaders.Count);
}*/
}
}
}
/// <summary>
/// Handle asset transfer data packets received in response to the asset upload request in
/// HandleUDPUploadRequest()
/// </summary>
/// <param name="remoteClient"></param>
/// <param name="xferID"></param>
/// <param name="packetID"></param>
/// <param name="data"></param>
public void HandleXfer(IClientAPI remoteClient, ulong xferID, uint packetID, byte[] data)
{
AgentAssetTransactions transactions = GetUserTransactions(remoteClient.AgentId);
transactions.HandleXfer(xferID, packetID, data);
}
}
}
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