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Remove unused LLFileTransfer

prebuild-update
Justin Clark-Casey (justincc) 2010-07-30 19:58:29 +01:00
parent ce358db159
commit 315b065bce
2 changed files with 0 additions and 407 deletions
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40
OpenSim/Framework/IClientFileTransfer.cs
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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 OpenSimulator 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 OpenMetaverse;
namespace OpenSim.Framework
{
public delegate void UploadComplete(string filename, UUID fileID, ulong transferID, byte[] fileData, IClientAPI remoteClient);
public delegate void UploadAborted(string filename, UUID fileID, ulong transferID, IClientAPI remoteClient);
public interface IClientFileTransfer
{
bool RequestUpload(string clientFileName, UploadComplete uploadCompleteCallback, UploadAborted abortCallback);
bool RequestUpload(UUID fileID, UploadComplete uploadCompleteCallback, UploadAborted abortCallback);
}
}

367
OpenSim/Region/ClientStack/LindenUDP/LLFileTransfer.cs
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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 OpenSimulator 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 OpenMetaverse;
using OpenSim.Framework;
namespace OpenSim.Region.ClientStack.LindenUDP
{
/// <summary>
/// A work in progress, to contain the SL specific file transfer code that is currently in various region modules
/// This file currently contains multiple classes that need to be split out into their own files.
/// </summary>
public class LLFileTransfer : IClientFileTransfer
{
protected IClientAPI m_clientAPI;
/// Dictionary of handlers for uploading files from client
/// TODO: Need to add cleanup code to remove handlers that have completed their upload
protected Dictionary<ulong, XferUploadHandler> m_uploadHandlers;
protected object m_uploadHandlersLock = new object();
/// <summary>
/// Dictionary of files ready to be sent to clients
/// </summary>
protected static Dictionary<string, byte[]> m_files;
/// <summary>
/// Dictionary of Download Transfers in progess
/// </summary>
protected Dictionary<ulong, XferDownloadHandler> m_downloadHandlers = new Dictionary<ulong, XferDownloadHandler>();
public LLFileTransfer(IClientAPI clientAPI)
{
m_uploadHandlers = new Dictionary<ulong, XferUploadHandler>();
m_clientAPI = clientAPI;
m_clientAPI.OnXferReceive += XferReceive;
m_clientAPI.OnAbortXfer += AbortXferUploadHandler;
}
public void Close()
{
if (m_clientAPI != null)
{
m_clientAPI.OnXferReceive -= XferReceive;
m_clientAPI.OnAbortXfer -= AbortXferUploadHandler;
m_clientAPI = null;
}
}
#region Upload Handling
public bool RequestUpload(string clientFileName, UploadComplete uploadCompleteCallback, UploadAborted abortCallback)
{
if ((String.IsNullOrEmpty(clientFileName)) || (uploadCompleteCallback == null))
{
return false;
}
XferUploadHandler uploader = new XferUploadHandler(m_clientAPI, clientFileName);
return StartUpload(uploader, uploadCompleteCallback, abortCallback);
}
public bool RequestUpload(UUID fileID, UploadComplete uploadCompleteCallback, UploadAborted abortCallback)
{
if ((fileID == UUID.Zero) || (uploadCompleteCallback == null))
{
return false;
}
XferUploadHandler uploader = new XferUploadHandler(m_clientAPI, fileID);
return StartUpload(uploader, uploadCompleteCallback, abortCallback);
}
private bool StartUpload(XferUploadHandler uploader, UploadComplete uploadCompleteCallback, UploadAborted abortCallback)
{
uploader.UploadDone += uploadCompleteCallback;
uploader.UploadDone += RemoveXferUploadHandler;
if (abortCallback != null)
{
uploader.UploadAborted += abortCallback;
}
lock (m_uploadHandlersLock)
{
if (!m_uploadHandlers.ContainsKey(uploader.XferID))
{
m_uploadHandlers.Add(uploader.XferID, uploader);
uploader.RequestStartXfer(m_clientAPI);
return true;
}
else
{
// something went wrong with the xferID allocation
uploader.UploadDone -= uploadCompleteCallback;
uploader.UploadDone -= RemoveXferUploadHandler;
if (abortCallback != null)
{
uploader.UploadAborted -= abortCallback;
}
return false;
}
}
}
protected void AbortXferUploadHandler(IClientAPI remoteClient, ulong xferID)
{
lock (m_uploadHandlersLock)
{
if (m_uploadHandlers.ContainsKey(xferID))
{
m_uploadHandlers[xferID].AbortUpload(remoteClient);
m_uploadHandlers.Remove(xferID);
}
}
}
protected void XferReceive(IClientAPI remoteClient, ulong xferID, uint packetID, byte[] data)
{
lock (m_uploadHandlersLock)
{
if (m_uploadHandlers.ContainsKey(xferID))
{
m_uploadHandlers[xferID].XferReceive(remoteClient, xferID, packetID, data);
}
}
}
protected void RemoveXferUploadHandler(string filename, UUID fileID, ulong transferID, byte[] fileData, IClientAPI remoteClient)
{
}
#endregion
}
public class XferUploadHandler
{
private AssetBase m_asset;
public event UploadComplete UploadDone;
public event UploadAborted UploadAborted;
private sbyte type = 0;
public ulong mXferID;
private UploadComplete handlerUploadDone;
private UploadAborted handlerAbort;
private bool m_complete = false;
public bool UploadComplete
{
get { return m_complete; }
}
public XferUploadHandler(IClientAPI pRemoteClient, string pClientFilename)
{
Initialise(UUID.Zero, pClientFilename);
}
public XferUploadHandler(IClientAPI pRemoteClient, UUID fileID)
{
Initialise(fileID, String.Empty);
}
private void Initialise(UUID fileID, string fileName)
{
m_asset = new AssetBase(fileID, fileName, type, UUID.Zero.ToString());
m_asset.Data = new byte[0];
m_asset.Description = "empty";
m_asset.Local = true;
m_asset.Temporary = true;
mXferID = Util.GetNextXferID();
}
public ulong XferID
{
get { return mXferID; }
}
public void RequestStartXfer(IClientAPI pRemoteClient)
{
m_asset.Metadata.CreatorID = pRemoteClient.AgentId.ToString();
if (!String.IsNullOrEmpty(m_asset.Name))
{
pRemoteClient.SendXferRequest(mXferID, m_asset.Type, m_asset.FullID, 0, Utils.StringToBytes(m_asset.Name));
}
else
{
pRemoteClient.SendXferRequest(mXferID, m_asset.Type, m_asset.FullID, 0, new byte[0]);
}
}
/// <summary>
/// Process transfer data received from the client.
/// </summary>
/// <param name="xferID"></param>
/// <param name="packetID"></param>
/// <param name="data"></param>
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);
}
}
}
protected void SendCompleteMessage(IClientAPI remoteClient)
{
m_complete = true;
handlerUploadDone = UploadDone;
if (handlerUploadDone != null)
{
handlerUploadDone(m_asset.Name, m_asset.FullID, mXferID, m_asset.Data, remoteClient);
}
}
public void AbortUpload(IClientAPI remoteClient)
{
handlerAbort = UploadAborted;
if (handlerAbort != null)
{
handlerAbort(m_asset.Name, m_asset.FullID, mXferID, remoteClient);
}
}
}
public class XferDownloadHandler
{
public IClientAPI Client;
private bool complete;
public byte[] Data = new byte[0];
public int DataPointer = 0;
public string FileName = String.Empty;
public uint Packet = 0;
public uint Serial = 1;
public ulong XferID = 0;
public XferDownloadHandler(string fileName, byte[] data, ulong xferID, IClientAPI client)
{
FileName = fileName;
Data = data;
XferID = xferID;
Client = client;
}
public XferDownloadHandler()
{
}
/// <summary>
/// Start a transfer
/// </summary>
/// <returns>True if the transfer is complete, false if not</returns>
public bool StartSend()
{
if (Data.Length < 1000)
{
// for now (testing) we only support files under 1000 bytes
byte[] transferData = new byte[Data.Length + 4];
Array.Copy(Utils.IntToBytes(Data.Length), 0, transferData, 0, 4);
Array.Copy(Data, 0, transferData, 4, Data.Length);
Client.SendXferPacket(XferID, 0 + 0x80000000, transferData);
complete = true;
}
else
{
byte[] transferData = new byte[1000 + 4];
Array.Copy(Utils.IntToBytes(Data.Length), 0, transferData, 0, 4);
Array.Copy(Data, 0, transferData, 4, 1000);
Client.SendXferPacket(XferID, 0, transferData);
Packet++;
DataPointer = 1000;
}
return complete;
}
/// <summary>
/// Respond to an ack packet from the client
/// </summary>
/// <param name="packet"></param>
/// <returns>True if the transfer is complete, false otherwise</returns>
public bool AckPacket(uint packet)
{
if (!complete)
{
if ((Data.Length - DataPointer) > 1000)
{
byte[] transferData = new byte[1000];
Array.Copy(Data, DataPointer, transferData, 0, 1000);
Client.SendXferPacket(XferID, Packet, transferData);
Packet++;
DataPointer += 1000;
}
else
{
byte[] transferData = new byte[Data.Length - DataPointer];
Array.Copy(Data, DataPointer, transferData, 0, Data.Length - DataPointer);
uint endPacket = Packet |= (uint)0x80000000;
Client.SendXferPacket(XferID, endPacket, transferData);
Packet++;
DataPointer += (Data.Length - DataPointer);
complete = true;
}
}
return complete;
}
}
}