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One more pass at object inventory. This time, fix SceneObjectPartInventory so that it makes sure that the file is added to Xfer's before it signals the client to come and get it. This allows the simplification of the logic of Xfer's.

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This commit is contained in:
Diva Canto
2010-12-24 08:50:00 -08:00
parent 135b012bbd
commit 3eaaaa0d99
2 changed files with 85 additions and 151 deletions
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94
OpenSim/Region/CoreModules/Agent/Xfer/XferModule.cs
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@@ -27,7 +27,9 @@
using System;
using System.Collections.Generic;
using System.Reflection;
using Nini.Config;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
@@ -37,12 +39,11 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
{
public class XferModule : IRegionModule, IXfer
{
private static uint counter = 0;
private Scene m_scene;
private Dictionary<string, XferRequest> Requests = new Dictionary<string, XferRequest>();
private Dictionary<string, FileData> NewFiles = new Dictionary<string, FileData>();
private Dictionary<ulong, XferDownLoad> Transfers = new Dictionary<ulong, XferDownLoad>();
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public struct XferRequest
{
@@ -90,6 +91,14 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
#region IXfer Members
/// <summary>
/// Let the Xfer module know about a file that the client is about to request.
/// Caller is responsible for making sure that the file is here before
/// the client starts the XferRequest.
/// </summary>
/// <param name="fileName"></param>
/// <param name="data"></param>
/// <returns></returns>
public bool AddNewFile(string fileName, byte[] data)
{
lock (NewFiles)
@@ -97,7 +106,7 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
if (NewFiles.ContainsKey(fileName))
{
NewFiles[fileName].Count++;
//Console.WriteLine("AddNewFile " + fileName + " counter=" + NewFiles[fileName].Count);
NewFiles[fileName].Data = data;
}
else
{
@@ -105,23 +114,9 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
fd.Count = 1;
fd.Data = data;
NewFiles.Add(fileName, fd);
//Console.WriteLine("AddNewFile " + fileName);
}
}
// This happens when the Xfer request ends up coming before
// the fileName is added by this method. That may happen when
// the file generation (the event that calle this method)
// takes a long time. In this case, we need to kick the
// Xfer request mannually.
if (Requests.ContainsKey(fileName))
{
//Console.WriteLine("*** AddNewFile Requests.Contains " + fileName);
RequestXfer(Requests[fileName].remoteClient, Requests[fileName].xferID, fileName);
Requests.Remove(fileName);
}
return true;
}
@@ -144,23 +139,17 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
{
lock (NewFiles)
{
//Console.WriteLine("---- RequestXfer " + fileName + " ----");
if (NewFiles.ContainsKey(fileName))
{
//Console.WriteLine("NewFiles.ContainsKey " + fileName + " with count=" + NewFiles[fileName].Count);
if (!Transfers.ContainsKey(xferID))
{
//Console.WriteLine("!Transfers.ContainsKey("+xferID+")");
byte[] fileData = NewFiles[fileName].Data;
XferDownLoad transaction = new XferDownLoad(fileName, fileData, xferID, remoteClient);
Transfers.Add(xferID, transaction);
if (transaction.StartSend())
{
RemoveXferData(xferID);
}
// The transaction for this file is either complete or on its way
RemoveOrDecrement(fileName);
@@ -168,42 +157,7 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
}
}
else
{
////Console.WriteLine("*** ! NewFiles.ContainsKey " + fileName);
//if (RequestTime.Count > 0)
//{
// //Console.WriteLine("RequestTime.Count > 0");
// TimeSpan ts = new TimeSpan(DateTime.UtcNow.Ticks - RequestTime[0].timeStamp.Ticks);
// if (ts.TotalSeconds > 30)
// {
// Console.WriteLine("ts.TotalSeconds > 30");
// Requests.Remove(RequestTime[0].fileName);
// RequestTime.RemoveAt(0);
// // Do we want to abort this here?
// //remoteClient.SendAbortXfer(xferID);
// }
//}
XferRequest nRequest = new XferRequest();
nRequest.remoteClient = remoteClient;
nRequest.xferID = xferID;
nRequest.fileName = fileName;
nRequest.timeStamp = DateTime.UtcNow;
nRequest.fileName = fileName;
if (!Requests.ContainsKey(fileName))
{
//Console.WriteLine("**** !Requests.ContainsKey(" + fileName + ")");
Requests.Add(fileName, nRequest);
}
else
{
//Console.WriteLine("**** Requests.ContainsKey(" + fileName + ")");
Requests.Add(fileName + "-" + counter.ToString(), nRequest);
counter++;
}
}
m_log.WarnFormat("[Xfer]: {0} not found", fileName);
}
}
@@ -220,15 +174,6 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
RemoveXferData(xferID);
RemoveOrDecrement(dl.FileName);
}
else
{
if (Requests.ContainsKey(dl.FileName))
{
XferRequest req = Requests[dl.FileName];
req.timeStamp = DateTime.UtcNow;
Requests[dl.FileName] = req;
}
}
}
}
}
@@ -238,19 +183,12 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
// 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 (Requests.ContainsKey(xferItem.FileName))
Requests.Remove(xferItem.FileName);
}
}
@@ -272,13 +210,9 @@ namespace OpenSim.Region.CoreModules.Agent.Xfer
if (NewFiles.ContainsKey(fileName))
{
if (NewFiles[fileName].Count == 1)
{
NewFiles.Remove(fileName);
}
else
{
NewFiles[fileName].Count--;
}
}
}