1 files changed, 202 insertions, 0 deletions
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLFileTransfer.cs b/OpenSim/Region/ClientStack/LindenUDP/LLFileTransfer.cs
new file mode 100644
index 0000000..27ebfdd
--- /dev/null
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLFileTransfer.cs
@@ -0,0 +1,202 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Xml;
+using OpenMetaverse;
+using OpenMetaverse.Packets;
+using OpenSim.Framework;
+using OpenSim.Framework.Client;
+using OpenSim.Framework.Communications.Cache;
+using OpenSim.Framework.Statistics;
+using OpenSim.Region.Interfaces;
+using OpenSim.Region.Environment.Scenes;
+namespace OpenSim.Region.ClientStack.LindenUDP
+{
+    public delegate void UploadComplete(string filename, byte[] fileData, IClientAPI remoteClient);
+    public delegate void UploadAborted(string filename, ulong id, IClientAPI remoteClient);
+    public class LLFileTransfer
+    {
+        protected IClientAPI m_clientAPI;
+        protected Dictionary<ulong, XferHandler> m_handlers;
+        protected object m_handlerLock = new object();
+        public LLFileTransfer(IClientAPI clientAPI)
+        {
+            m_handlers = new Dictionary<ulong, XferHandler>();
+            m_clientAPI = clientAPI;
+            m_clientAPI.OnXferReceive += XferReceive;
+            m_clientAPI.OnAbortXfer += AbortXferHandler;
+        }
+        public void Close()
+        {
+            if (m_clientAPI != null)
+            {
+                m_clientAPI.OnXferReceive -= XferReceive;
+                m_clientAPI.OnAbortXfer -= AbortXferHandler;
+                m_clientAPI = null;
+            }
+        }
+        public bool RequestUpload(string clientFileName, UploadComplete uploadCompleteCallback, UploadAborted abortCallback)
+        {
+            if ((String.IsNullOrEmpty(clientFileName)) || (uploadCompleteCallback == null))
+            {
+                 return false;
+            }
+            XferHandler uploader = new XferHandler(m_clientAPI, clientFileName);
+            uploader.UploadDone += uploadCompleteCallback;
+            if (abortCallback != null)
+            {
+                uploader.UploadAborted += abortCallback;
+            }
+            lock (m_handlerLock)
+            {
+                if (!m_handlers.ContainsKey(uploader.XferID))
+                {
+                    m_handlers.Add(uploader.XferID, uploader);
+                    uploader.RequestStartXfer(m_clientAPI);
+                    return true;
+                }
+                else
+                {
+                    // something went wrong with the xferID allocation
+                    uploader.UploadDone -= uploadCompleteCallback;
+                    if (abortCallback != null)
+                    {
+                        uploader.UploadAborted -= abortCallback;
+                    }
+                    return false;
+                }
+            }
+        }
+        protected void AbortXferHandler(IClientAPI remoteClient, ulong xferID)
+        {
+            lock (m_handlerLock)
+            {
+                if (m_handlers.ContainsKey(xferID))
+                {
+                    m_handlers[xferID].AbortUpload(remoteClient);
+                    m_handlers.Remove(xferID);
+                }
+            }
+        }
+        protected void XferReceive(IClientAPI remoteClient, ulong xferID, uint packetID, byte[] data)
+        {
+            lock (m_handlerLock)
+            {
+                if (m_handlers.ContainsKey(xferID))
+                {
+                    m_handlers[xferID].XferReceive(remoteClient, xferID, packetID, data);
+                }
+            }
+        }
+    }
+    public class XferHandler
+    {
+        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 XferHandler(IClientAPI pRemoteClient, string pClientFilename)
+        {
+            m_asset = new AssetBase();
+            m_asset.FullID = UUID.Zero;
+            m_asset.Type = type;
+            m_asset.Data = new byte[0];
+            m_asset.Name = pClientFilename;
+            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)
+        {
+            pRemoteClient.SendXferRequest(mXferID, m_asset.Type, m_asset.FullID, 0, Utils.StringToBytes(m_asset.Name));
+        }
+        /// <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.Data, remoteClient);
+            }
+        }
+        public void AbortUpload(IClientAPI remoteClient)
+        {
+            handlerAbort = UploadAborted;
+            if (handlerAbort != null)
+            {
+                handlerAbort(m_asset.Name, mXferID, remoteClient);
+            }
+        }
+    }
+}

diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLFileTransfer.cs b/OpenSim/Region/ClientStack/LindenUDP/LLFileTransfer.cs new file mode 100644 index 0000000..27ebfdd --- /dev/null +++ b/OpenSim/Region/ClientStack/LindenUDP/LLFileTransfer.cs
@@ -0,0 +1,202 @@
	1	using System;
	2	using System.Collections.Generic;
	3	using System.Text;
	4	using System.Xml;
	5	using OpenMetaverse;
	6	using OpenMetaverse.Packets;
	7	using OpenSim.Framework;
	8	using OpenSim.Framework.Client;
	9	using OpenSim.Framework.Communications.Cache;
	10	using OpenSim.Framework.Statistics;
	11	using OpenSim.Region.Interfaces;
	12	using OpenSim.Region.Environment.Scenes;
	13
	14	namespace OpenSim.Region.ClientStack.LindenUDP
	15	{
	16	public delegate void UploadComplete(string filename, byte[] fileData, IClientAPI remoteClient);
	17	public delegate void UploadAborted(string filename, ulong id, IClientAPI remoteClient);
	18
	19	public class LLFileTransfer
	20	{
	21	protected IClientAPI m_clientAPI;
	22
	23	protected Dictionary<ulong, XferHandler> m_handlers;
	24	protected object m_handlerLock = new object();
	25
	26	public LLFileTransfer(IClientAPI clientAPI)
	27	{
	28	m_handlers = new Dictionary<ulong, XferHandler>();
	29	m_clientAPI = clientAPI;
	30
	31	m_clientAPI.OnXferReceive += XferReceive;
	32	m_clientAPI.OnAbortXfer += AbortXferHandler;
	33	}
	34
	35	public void Close()
	36	{
	37	if (m_clientAPI != null)
	38	{
	39	m_clientAPI.OnXferReceive -= XferReceive;
	40	m_clientAPI.OnAbortXfer -= AbortXferHandler;
	41	m_clientAPI = null;
	42	}
	43	}
	44
	45	public bool RequestUpload(string clientFileName, UploadComplete uploadCompleteCallback, UploadAborted abortCallback)
	46	{
	47	if ((String.IsNullOrEmpty(clientFileName)) \|\| (uploadCompleteCallback == null))
	48	{
	49	return false;
	50	}
	51
	52	XferHandler uploader = new XferHandler(m_clientAPI, clientFileName);
	53	uploader.UploadDone += uploadCompleteCallback;
	54
	55	if (abortCallback != null)
	56	{
	57	uploader.UploadAborted += abortCallback;
	58	}
	59
	60	lock (m_handlerLock)
	61	{
	62	if (!m_handlers.ContainsKey(uploader.XferID))
	63	{
	64	m_handlers.Add(uploader.XferID, uploader);
	65	uploader.RequestStartXfer(m_clientAPI);
	66	return true;
	67	}
	68	else
	69	{
	70	// something went wrong with the xferID allocation
	71	uploader.UploadDone -= uploadCompleteCallback;
	72	if (abortCallback != null)
	73	{
	74	uploader.UploadAborted -= abortCallback;
	75	}
	76	return false;
	77	}
	78	}
	79	}
	80
	81	protected void AbortXferHandler(IClientAPI remoteClient, ulong xferID)
	82	{
	83	lock (m_handlerLock)
	84	{
	85	if (m_handlers.ContainsKey(xferID))
	86	{
	87	m_handlers[xferID].AbortUpload(remoteClient);
	88	m_handlers.Remove(xferID);
	89	}
	90	}
	91	}
	92
	93	protected void XferReceive(IClientAPI remoteClient, ulong xferID, uint packetID, byte[] data)
	94	{
	95	lock (m_handlerLock)
	96	{
	97	if (m_handlers.ContainsKey(xferID))
	98	{
	99	m_handlers[xferID].XferReceive(remoteClient, xferID, packetID, data);
	100	}
	101	}
	102	}
	103	}
	104
	105	public class XferHandler
	106	{
	107	private AssetBase m_asset;
	108
	109	public event UploadComplete UploadDone;
	110	public event UploadAborted UploadAborted;
	111
	112	private sbyte type = 0;
	113
	114	public ulong mXferID;
	115	private UploadComplete handlerUploadDone;
	116	private UploadAborted handlerAbort;
	117
	118	private bool m_complete = false;
	119
	120	public bool UploadComplete
	121	{
	122	get { return m_complete; }
	123	}
	124
	125	public XferHandler(IClientAPI pRemoteClient, string pClientFilename)
	126	{
	127
	128	m_asset = new AssetBase();
	129	m_asset.FullID = UUID.Zero;
	130	m_asset.Type = type;
	131	m_asset.Data = new byte[0];
	132	m_asset.Name = pClientFilename;
	133	m_asset.Description = "empty";
	134	m_asset.Local = true;
	135	m_asset.Temporary = true;
	136	mXferID = Util.GetNextXferID();
	137	}
	138
	139	public ulong XferID
	140	{
	141	get { return mXferID; }
	142	}
	143
	144	public void RequestStartXfer(IClientAPI pRemoteClient)
	145	{
	146	pRemoteClient.SendXferRequest(mXferID, m_asset.Type, m_asset.FullID, 0, Utils.StringToBytes(m_asset.Name));
	147	}
	148
	149	/// <summary>
	150	/// Process transfer data received from the client.
	151	/// </summary>
	152	/// <param name="xferID"></param>
	153	/// <param name="packetID"></param>
	154	/// <param name="data"></param>
	155	public void XferReceive(IClientAPI remoteClient, ulong xferID, uint packetID, byte[] data)
	156	{
	157	if (mXferID == xferID)
	158	{
	159	if (m_asset.Data.Length > 1)
	160	{
	161	byte[] destinationArray = new byte[m_asset.Data.Length + data.Length];
	162	Array.Copy(m_asset.Data, 0, destinationArray, 0, m_asset.Data.Length);
	163	Array.Copy(data, 0, destinationArray, m_asset.Data.Length, data.Length);
	164	m_asset.Data = destinationArray;
	165	}
	166	else
	167	{
	168	byte[] buffer2 = new byte[data.Length - 4];
	169	Array.Copy(data, 4, buffer2, 0, data.Length - 4);
	170	m_asset.Data = buffer2;
	171	}
	172
	173	remoteClient.SendConfirmXfer(xferID, packetID);
	174
	175	if ((packetID & 0x80000000) != 0)
	176	{
	177	SendCompleteMessage(remoteClient);
	178
	179	}
	180	}
	181	}
	182
	183	protected void SendCompleteMessage(IClientAPI remoteClient)
	184	{
	185	m_complete = true;
	186	handlerUploadDone = UploadDone;
	187	if (handlerUploadDone != null)
	188	{
	189	handlerUploadDone(m_asset.Name, m_asset.Data, remoteClient);
	190	}
	191	}
	192
	193	public void AbortUpload(IClientAPI remoteClient)
	194	{
	195	handlerAbort = UploadAborted;
	196	if (handlerAbort != null)
	197	{
	198	handlerAbort(m_asset.Name, mXferID, remoteClient);
	199	}
	200	}
	201	}
	202	}