5 files changed, 88 insertions, 4 deletions

diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index 63469c8..929f282 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -2078,6 +2078,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             OutPacket(sendXfer, ThrottleOutPacketType.Asset);
         }
 
+        public void SendAbortXferPacket(ulong xferID)
+        {
+            AbortXferPacket xferItem = (AbortXferPacket)PacketPool.Instance.GetPacket(PacketType.AbortXfer);
+            xferItem.XferID.ID = xferID;
+            OutPacket(xferItem, ThrottleOutPacketType.Asset);
+        }
+
         public void SendEconomyData(float EnergyEfficiency, int ObjectCapacity, int ObjectCount, int PriceEnergyUnit,
                                     int PriceGroupCreate, int PriceObjectClaim, float PriceObjectRent, float PriceObjectScaleFactor,
                                     int PriceParcelClaim, float PriceParcelClaimFactor, int PriceParcelRent, int PricePublicObjectDecay,
diff --git a/OpenSim/Region/CoreModules/Agent/Xfer/XferModule.cs b/OpenSim/Region/CoreModules/Agent/Xfer/XferModule.cs
index ef7dce8..57875da 100644
--- a/OpenSim/Region/CoreModules/Agent/Xfer/XferModule.cs
+++ b/OpenSim/Region/CoreModules/Agent/Xfer/XferModule.cs
@@ -97,6 +97,7 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
                     NewFiles.Add(fileName, data);
                 }
             }
+            string filename = string.Empty;
 
             if (Requests.ContainsKey(fileName))
             {
@@ -113,6 +114,7 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
         {
             client.OnRequestXfer += RequestXfer;
             client.OnConfirmXfer += AckPacket;
+            client.OnAbortXfer += AbortXfer;
         }
 
         /// <summary>
@@ -125,6 +127,17 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
         {
             lock (NewFiles)
             {
+                if (RequestTime.Count > 0)
+                {
+                    TimeSpan ts = new TimeSpan(DateTime.UtcNow.Ticks - RequestTime[0].timeStamp.Ticks);
+                    if (ts.TotalSeconds > 30)
+                    {
+                        ulong zxferid = RequestTime[0].xferID;
+                        remoteClient.SendAbortXferPacket(zxferid);
+                        RemoveXferData(zxferid);
+                    }
+                }
+
                 if (NewFiles.ContainsKey(fileName))
                 {
                     if (!Transfers.ContainsKey(xferID))
@@ -137,7 +150,7 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
 
                         if (transaction.StartSend())
                         {
-                            Transfers.Remove(xferID);
+                            RemoveXferData(xferID);
                         }
                     }
                 }
@@ -150,6 +163,8 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
                         {
                             Requests.Remove(RequestTime[0].fileName);
                             RequestTime.RemoveAt(0);
+                            // Do we want to abort this here?
+                            //remoteClient.SendAbortXfer(xferID);
                         }
                     }
 
@@ -165,22 +180,69 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
                     }
                     
                 }
+                
             }
         }
 
         public void AckPacket(IClientAPI remoteClient, ulong xferID, uint packet)
         {
-            if (Transfers.ContainsKey(xferID))
+            lock (NewFiles)  // This is actually to lock Transfers
             {
-                if (Transfers[xferID].AckPacket(packet))
+                if (Transfers.ContainsKey(xferID))
                 {
+                    XferDownLoad dl = Transfers[xferID];
+                    if (Transfers[xferID].AckPacket(packet))
                     {
-                        Transfers.Remove(xferID);
+                        {
+                            RemoveXferData(xferID);
+                        }
+                    }
+                    else
+                    {
+
+                        if (Requests.ContainsKey(dl.FileName))
+                        {
+                            //
+                            XferRequest req = Requests[dl.FileName];
+                            req.timeStamp = DateTime.UtcNow;
+                            Requests[dl.FileName] = req;
+                        }
                     }
                 }
             }
         }
 
+        private void RemoveXferData(ulong xferID)
+        {
+            // NewFiles must be locked!
+            if (Transfers.ContainsKey(xferID))
+            {
+                // Qualifier distinguishes between the OpenMetaverse version and the nested class
+
+                XferModule.XferDownLoad xferItem = Transfers[xferID];
+                //string filename = xferItem.FileName;
+                Transfers.Remove(xferID);
+                xferItem.Data = new byte[0]; // Clear the data
+                xferItem.DataPointer = 0;
+
+                // If the abort comes in 
+                if (NewFiles.ContainsKey(xferItem.FileName))
+                    NewFiles.Remove(xferItem.FileName);
+
+                if (Requests.ContainsKey(xferItem.FileName))
+                    Requests.Remove(xferItem.FileName);
+
+            }
+        }
+
+        public void AbortXfer(IClientAPI remoteClient, ulong xferID)
+        {
+            lock (NewFiles)
+            {
+                RemoveXferData(xferID);
+            }
+        }
+
         #region Nested type: XferDownLoad
 
         public class XferDownLoad
diff --git a/OpenSim/Region/Examples/SimpleModule/MyNpcCharacter.cs b/OpenSim/Region/Examples/SimpleModule/MyNpcCharacter.cs
index f128aa2..311352c 100644
--- a/OpenSim/Region/Examples/SimpleModule/MyNpcCharacter.cs
+++ b/OpenSim/Region/Examples/SimpleModule/MyNpcCharacter.cs
@@ -602,6 +602,12 @@ namespace OpenSim.Region.Examples.SimpleModule
         {
         }
 
+        public virtual void SendAbortXferPacket(ulong xferID)
+        {
+
+        }
+
+
         public virtual void SendEconomyData(float EnergyEfficiency, int ObjectCapacity, int ObjectCount, int PriceEnergyUnit,
             int PriceGroupCreate, int PriceObjectClaim, float PriceObjectRent, float PriceObjectScaleFactor,
             int PriceParcelClaim, float PriceParcelClaimFactor, int PriceParcelRent, int PricePublicObjectDecay,
diff --git a/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs b/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs
index fc17192..20870aa 100644
--- a/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs
+++ b/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs
@@ -1117,6 +1117,11 @@ namespace OpenSim.Region.OptionalModules.Agent.InternetRelayClientView.Server
             
         }
 
+        public void SendAbortXferPacket(ulong xferID)
+        {
+            
+        }
+
         public void SendEconomyData(float EnergyEfficiency, int ObjectCapacity, int ObjectCount, int PriceEnergyUnit, int PriceGroupCreate, int PriceObjectClaim, float PriceObjectRent, float PriceObjectScaleFactor, int PriceParcelClaim, float PriceParcelClaimFactor, int PriceParcelRent, int PricePublicObjectDecay, int PricePublicObjectDelete, int PriceRentLight, int PriceUpload, int TeleportMinPrice, float TeleportPriceExponent)
         {
             
diff --git a/OpenSim/Region/OptionalModules/World/NPC/NPCAvatar.cs b/OpenSim/Region/OptionalModules/World/NPC/NPCAvatar.cs
index 6928c4e..0c43c8a 100644
--- a/OpenSim/Region/OptionalModules/World/NPC/NPCAvatar.cs
+++ b/OpenSim/Region/OptionalModules/World/NPC/NPCAvatar.cs
@@ -687,6 +687,10 @@ namespace OpenSim.Region.OptionalModules.World.NPC
         public virtual void SendXferPacket(ulong xferID, uint packet, byte[] data)
         {
         }
+        public virtual void SendAbortXferPacket(ulong xferID)
+        {
+
+        }
 
         public virtual void SendEconomyData(float EnergyEfficiency, int ObjectCapacity, int ObjectCount, int PriceEnergyUnit,
                                             int PriceGroupCreate, int PriceObjectClaim, float PriceObjectRent, float PriceObjectScaleFactor,