Started to move xfer file transfer code to the LLClientStack, rather than having it in a region module (like it was).
Note:None of this is enabled yet.0.6.1-post-fixes
MW
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71960f17bc
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Xml;
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using OpenMetaverse;
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using OpenMetaverse.Packets;
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using OpenSim.Framework;
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using OpenSim.Framework.Client;
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using OpenSim.Framework.Communications.Cache;
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using OpenSim.Framework.Statistics;
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using OpenSim.Region.Interfaces;
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using OpenSim.Region.Environment.Scenes;
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namespace OpenSim.Region.ClientStack.LindenUDP
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{
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public delegate void UploadComplete(string filename, byte[] fileData, IClientAPI remoteClient);
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public delegate void UploadAborted(string filename, ulong id, IClientAPI remoteClient);
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public class LLFileTransfer
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{
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protected IClientAPI m_clientAPI;
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protected Dictionary<ulong, XferHandler> m_handlers;
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protected object m_handlerLock = new object();
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public LLFileTransfer(IClientAPI clientAPI)
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{
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m_handlers = new Dictionary<ulong, XferHandler>();
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m_clientAPI = clientAPI;
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m_clientAPI.OnXferReceive += XferReceive;
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m_clientAPI.OnAbortXfer += AbortXferHandler;
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}
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public void Close()
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{
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if (m_clientAPI != null)
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{
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m_clientAPI.OnXferReceive -= XferReceive;
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m_clientAPI.OnAbortXfer -= AbortXferHandler;
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m_clientAPI = null;
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}
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}
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public bool RequestUpload(string clientFileName, UploadComplete uploadCompleteCallback, UploadAborted abortCallback)
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{
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if ((String.IsNullOrEmpty(clientFileName)) || (uploadCompleteCallback == null))
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{
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return false;
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}
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XferHandler uploader = new XferHandler(m_clientAPI, clientFileName);
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uploader.UploadDone += uploadCompleteCallback;
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if (abortCallback != null)
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{
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uploader.UploadAborted += abortCallback;
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}
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lock (m_handlerLock)
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{
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if (!m_handlers.ContainsKey(uploader.XferID))
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{
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m_handlers.Add(uploader.XferID, uploader);
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uploader.RequestStartXfer(m_clientAPI);
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return true;
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}
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else
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{
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// something went wrong with the xferID allocation
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uploader.UploadDone -= uploadCompleteCallback;
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if (abortCallback != null)
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{
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uploader.UploadAborted -= abortCallback;
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}
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return false;
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}
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}
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}
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protected void AbortXferHandler(IClientAPI remoteClient, ulong xferID)
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{
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lock (m_handlerLock)
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{
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if (m_handlers.ContainsKey(xferID))
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{
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m_handlers[xferID].AbortUpload(remoteClient);
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m_handlers.Remove(xferID);
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}
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}
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}
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protected void XferReceive(IClientAPI remoteClient, ulong xferID, uint packetID, byte[] data)
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{
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lock (m_handlerLock)
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{
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if (m_handlers.ContainsKey(xferID))
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{
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m_handlers[xferID].XferReceive(remoteClient, xferID, packetID, data);
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}
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}
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}
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}
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public class XferHandler
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{
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private AssetBase m_asset;
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public event UploadComplete UploadDone;
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public event UploadAborted UploadAborted;
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private sbyte type = 0;
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public ulong mXferID;
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private UploadComplete handlerUploadDone;
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private UploadAborted handlerAbort;
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private bool m_complete = false;
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public bool UploadComplete
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{
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get { return m_complete; }
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}
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public XferHandler(IClientAPI pRemoteClient, string pClientFilename)
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{
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m_asset = new AssetBase();
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m_asset.FullID = UUID.Zero;
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m_asset.Type = type;
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m_asset.Data = new byte[0];
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m_asset.Name = pClientFilename;
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m_asset.Description = "empty";
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m_asset.Local = true;
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m_asset.Temporary = true;
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mXferID = Util.GetNextXferID();
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}
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public ulong XferID
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{
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get { return mXferID; }
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}
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public void RequestStartXfer(IClientAPI pRemoteClient)
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{
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pRemoteClient.SendXferRequest(mXferID, m_asset.Type, m_asset.FullID, 0, Utils.StringToBytes(m_asset.Name));
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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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public void XferReceive(IClientAPI remoteClient, ulong xferID, uint packetID, byte[] data)
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{
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if (mXferID == 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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remoteClient.SendConfirmXfer(xferID, packetID);
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if ((packetID & 0x80000000) != 0)
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{
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SendCompleteMessage(remoteClient);
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}
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}
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}
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protected void SendCompleteMessage(IClientAPI remoteClient)
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{
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m_complete = true;
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handlerUploadDone = UploadDone;
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if (handlerUploadDone != null)
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{
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handlerUploadDone(m_asset.Name, m_asset.Data, remoteClient);
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}
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}
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public void AbortUpload(IClientAPI remoteClient)
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{
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handlerAbort = UploadAborted;
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if (handlerAbort != null)
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{
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handlerAbort(m_asset.Name, mXferID, remoteClient);
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}
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}
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}
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}
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