OpenSimMirror/OpenSim.RegionServer/SimClient.cs

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/*
Copyright (c) OpenSim project, http://osgrid.org/
*
* 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 <organization> 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 <copyright holder> ``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 <copyright holder> 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;
using System.Collections.Generic;
using libsecondlife;
using libsecondlife.Packets;
using Nwc.XmlRpc;
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using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;
using System.Timers;
using OpenSim.Framework.Interfaces;
using OpenSim.Framework.Types;
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using OpenSim.Framework.Inventory;
using OpenSim.Framework.Utilities;
using OpenSim.world;
using OpenSim.Assets;
namespace OpenSim
{
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public delegate bool PacketMethod(SimClient simClient, Packet packet);
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/// <summary>
/// Handles new client connections
/// Constructor takes a single Packet and authenticates everything
/// </summary>
public class SimClient
{
public LLUUID AgentID;
public LLUUID SessionID;
public LLUUID SecureSessionID = LLUUID.Zero;
public bool m_child;
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public uint CircuitCode;
public world.Avatar ClientAvatar;
private UseCircuitCodePacket cirpack;
public Thread ClientThread;
public EndPoint userEP;
public LLVector3 startpos;
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private BlockingQueue<QueItem> PacketQueue;
private Dictionary<uint, uint> PendingAcks = new Dictionary<uint, uint>();
private Dictionary<uint, Packet> NeedAck = new Dictionary<uint, Packet>();
//private Dictionary<LLUUID, AssetBase> UploadedAssets = new Dictionary<LLUUID, AssetBase>();
private System.Timers.Timer AckTimer;
private uint Sequence = 0;
private object SequenceLock = new object();
private const int MAX_APPENDED_ACKS = 10;
private const int RESEND_TIMEOUT = 4000;
private const int MAX_SEQUENCE = 0xFFFFFF;
private AgentAssetUpload UploadAssets;
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private LLUUID newAssetFolder = LLUUID.Zero;
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private bool debug = false;
private World m_world;
private Dictionary<uint, SimClient> m_clientThreads;
private AssetCache m_assetCache;
private IGridServer m_gridServer;
private IUserServer m_userServer = null;
private OpenSimNetworkHandler m_application;
private InventoryCache m_inventoryCache;
public bool m_sandboxMode;
private int cachedtextureserial = 0;
private RegionInfo m_regionData;
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protected static Dictionary<PacketType, PacketMethod> PacketHandlers = new Dictionary<PacketType, PacketMethod>(); //Global/static handlers for all clients
protected Dictionary<PacketType, PacketMethod> m_packetHandlers = new Dictionary<PacketType, PacketMethod>(); //local handlers for this instance
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public IUserServer UserServer
{
set
{
this.m_userServer = value;
}
}
public SimClient(EndPoint remoteEP, UseCircuitCodePacket initialcirpack, World world, Dictionary<uint, SimClient> clientThreads, AssetCache assetCache, IGridServer gridServer, OpenSimNetworkHandler application, InventoryCache inventoryCache, bool sandboxMode, bool child, RegionInfo regionDat)
{
m_world = world;
m_clientThreads = clientThreads;
m_assetCache = assetCache;
m_gridServer = gridServer;
m_application = application;
m_inventoryCache = inventoryCache;
m_sandboxMode = sandboxMode;
m_child = child;
m_regionData = regionDat;
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("OpenSimClient.cs - Started up new client thread to handle incoming request");
cirpack = initialcirpack;
userEP = remoteEP;
if (m_gridServer.GetName() == "Remote")
{
this.startpos = ((RemoteGridBase)m_gridServer).agentcircuits[initialcirpack.CircuitCode.Code].startpos;
}
else
{
this.startpos = new LLVector3(128, 128, m_world.Terrain[(int)128, (int)128] + 15.0f); // new LLVector3(128.0f, 128.0f, 60f);
}
PacketQueue = new BlockingQueue<QueItem>();
this.UploadAssets = new AgentAssetUpload(this, m_assetCache, m_inventoryCache);
AckTimer = new System.Timers.Timer(500);
AckTimer.Elapsed += new ElapsedEventHandler(AckTimer_Elapsed);
AckTimer.Start();
this.RegisterLocalPacketHandlers();
ClientThread = new Thread(new ThreadStart(AuthUser));
ClientThread.IsBackground = true;
ClientThread.Start();
}
protected virtual void RegisterLocalPacketHandlers()
{
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this.AddLocalPacketHandler(PacketType.LogoutRequest, this.Logout);
this.AddLocalPacketHandler(PacketType.AgentCachedTexture, this.AgentTextureCached);
this.AddLocalPacketHandler(PacketType.MultipleObjectUpdate, this.MultipleObjUpdate);
}
public void CrossSimBorder(LLVector3 avatarpos)
{ // VERY VERY BASIC
LLVector3 newpos = avatarpos;
uint neighbourx = this.m_regionData.RegionLocX;
uint neighboury = this.m_regionData.RegionLocY;
if (avatarpos.X < 0)
{
neighbourx -= 1;
newpos.X = 254;
}
if (avatarpos.X > 255)
{
neighbourx += 1;
newpos.X = 1;
}
if (avatarpos.Y < 0)
{
neighboury -= 1;
newpos.Y = 254;
}
if (avatarpos.Y > 255)
{
neighbourx += 1;
newpos.Y = 1;
}
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("SimClient.cs:CrossSimBorder() - Crossing border to neighbouring sim at [" + neighbourx.ToString() + "," + neighboury.ToString() + "]");
Hashtable SimParams;
ArrayList SendParams;
XmlRpcRequest GridReq;
XmlRpcResponse GridResp;
foreach (Hashtable borderingSim in ((RemoteGridBase)m_gridServer).neighbours)
{
if (((string)borderingSim["region_locx"]).Equals(neighbourx.ToString()) && ((string)borderingSim["region_locy"]).Equals(neighboury.ToString()))
{
SimParams = new Hashtable();
SimParams["firstname"] = this.ClientAvatar.firstname;
SimParams["lastname"] = this.ClientAvatar.lastname;
SimParams["circuit_code"] = this.CircuitCode.ToString();
SimParams["pos_x"] = newpos.X.ToString();
SimParams["pos_y"] = newpos.Y.ToString();
SimParams["pos_z"] = newpos.Z.ToString();
SendParams = new ArrayList();
SendParams.Add(SimParams);
GridReq = new XmlRpcRequest("agent_crossing", SendParams);
GridResp = GridReq.Send("http://" + borderingSim["sim_ip"] + ":" + borderingSim["sim_port"], 3000);
CrossedRegionPacket NewSimPack = new CrossedRegionPacket();
NewSimPack.AgentData = new CrossedRegionPacket.AgentDataBlock();
NewSimPack.AgentData.AgentID = this.AgentID;
NewSimPack.AgentData.SessionID = this.SessionID;
NewSimPack.Info = new CrossedRegionPacket.InfoBlock();
NewSimPack.Info.Position = newpos;
NewSimPack.Info.LookAt = new LLVector3(0.99f, 0.042f, 0); // copied from Avatar.cs - SHOULD BE DYNAMIC!!!!!!!!!!
NewSimPack.RegionData = new libsecondlife.Packets.CrossedRegionPacket.RegionDataBlock();
NewSimPack.RegionData.RegionHandle = Helpers.UIntsToLong((uint)(Convert.ToInt32(borderingSim["region_locx"]) * 256), (uint)(Convert.ToInt32(borderingSim["region_locy"]) * 256));
System.Net.IPAddress neighbourIP = System.Net.IPAddress.Parse((string)borderingSim["sim_ip"]);
byte[] byteIP = neighbourIP.GetAddressBytes();
NewSimPack.RegionData.SimIP = (uint)byteIP[3] << 24;
NewSimPack.RegionData.SimIP += (uint)byteIP[2] << 16;
NewSimPack.RegionData.SimIP += (uint)byteIP[1] << 8;
NewSimPack.RegionData.SimIP += (uint)byteIP[0];
NewSimPack.RegionData.SimPort = (ushort)Convert.ToInt32(borderingSim["sim_port"]);
NewSimPack.RegionData.SeedCapability = new byte[0];
lock (PacketQueue)
{
ProcessOutPacket(NewSimPack);
DowngradeClient();
}
}
}
}
public void UpgradeClient()
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("SimClient.cs:UpgradeClient() - upgrading child to full agent");
this.m_child = false;
this.m_world.RemoveViewerAgent(this);
if (!this.m_sandboxMode)
{
this.startpos = ((RemoteGridBase)m_gridServer).agentcircuits[CircuitCode].startpos;
((RemoteGridBase)m_gridServer).agentcircuits[CircuitCode].child = false;
}
this.InitNewClient();
}
public void DowngradeClient()
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("SimClient.cs:UpgradeClient() - changing full agent to child");
this.m_child = true;
this.m_world.RemoveViewerAgent(this);
this.m_world.AddViewerAgent(this);
}
public void KillClient()
{
KillObjectPacket kill = new KillObjectPacket();
kill.ObjectData = new KillObjectPacket.ObjectDataBlock[1];
kill.ObjectData[0] = new KillObjectPacket.ObjectDataBlock();
kill.ObjectData[0].ID = this.ClientAvatar.localid;
foreach (SimClient client in m_clientThreads.Values)
{
client.OutPacket(kill);
}
if (this.m_userServer != null)
{
this.m_inventoryCache.ClientLeaving(this.AgentID, this.m_userServer);
}
else
{
this.m_inventoryCache.ClientLeaving(this.AgentID, null);
}
m_world.RemoveViewerAgent(this);
m_clientThreads.Remove(this.CircuitCode);
m_application.RemoveClientCircuit(this.CircuitCode);
this.ClientThread.Abort();
}
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public static bool AddPacketHandler(PacketType packetType, PacketMethod handler)
{
bool result = false;
lock (PacketHandlers)
{
if (!PacketHandlers.ContainsKey(packetType))
{
PacketHandlers.Add(packetType, handler);
result = true;
}
}
return result;
}
public bool AddLocalPacketHandler(PacketType packetType, PacketMethod handler)
{
bool result = false;
lock (m_packetHandlers)
{
if (!m_packetHandlers.ContainsKey(packetType))
{
m_packetHandlers.Add(packetType, handler);
result = true;
}
}
return result;
}
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protected virtual bool ProcessPacketMethod(Packet packet)
{
bool result = false;
bool found = false;
PacketMethod method;
if (m_packetHandlers.TryGetValue(packet.Type, out method))
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{
//there is a local handler for this packet type
result = method(this, packet);
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}
else
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{
//there is not a local handler so see if there is a Global handler
lock (PacketHandlers)
{
found = PacketHandlers.TryGetValue(packet.Type, out method);
}
if (found)
{
result = method(this, packet);
}
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}
return result;
}
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private void ack_pack(Packet Pack)
{
if (Pack.Header.Reliable)
{
libsecondlife.Packets.PacketAckPacket ack_it = new PacketAckPacket();
ack_it.Packets = new PacketAckPacket.PacketsBlock[1];
ack_it.Packets[0] = new PacketAckPacket.PacketsBlock();
ack_it.Packets[0].ID = Pack.Header.Sequence;
ack_it.Header.Reliable = false;
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OutPacket(ack_it);
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}
/*
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if (Pack.Header.Reliable)
{
lock (PendingAcks)
{
uint sequence = (uint)Pack.Header.Sequence;
if (!PendingAcks.ContainsKey(sequence)) { PendingAcks[sequence] = sequence; }
}
}*/
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}
protected virtual void ProcessInPacket(Packet Pack)
{
ack_pack(Pack);
if (debug)
{
if (Pack.Type != PacketType.AgentUpdate)
{
Console.WriteLine(Pack.Type.ToString());
}
}
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if (this.ProcessPacketMethod(Pack))
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{
//there is a handler registered that handled this packet type
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return;
}
else
{
System.Text.Encoding _enc = System.Text.Encoding.ASCII;
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switch (Pack.Type)
{
case PacketType.CompleteAgentMovement:
if (this.m_child) this.UpgradeClient();
ClientAvatar.CompleteMovement(m_world);
ClientAvatar.SendInitialPosition();
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break;
case PacketType.RegionHandshakeReply:
m_world.SendLayerData(this);
break;
case PacketType.AgentWearablesRequest:
ClientAvatar.SendInitialAppearance();
foreach (SimClient client in m_clientThreads.Values)
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{
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if (client.AgentID != this.AgentID)
{
ObjectUpdatePacket objupdate = client.ClientAvatar.CreateUpdatePacket();
this.OutPacket(objupdate);
client.ClientAvatar.SendAppearanceToOtherAgent(this);
}
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}
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m_world.GetInitialPrims(this);
break;
case PacketType.AgentIsNowWearing:
AgentIsNowWearingPacket wear = (AgentIsNowWearingPacket)Pack;
//Console.WriteLine(Pack.ToString());
break;
case PacketType.AgentSetAppearance:
AgentSetAppearancePacket appear = (AgentSetAppearancePacket)Pack;
// Console.WriteLine(appear.ToString());
this.ClientAvatar.SetAppearance(appear);
break;
case PacketType.ObjectAdd:
m_world.AddNewPrim((ObjectAddPacket)Pack, this);
break;
case PacketType.ObjectLink:
OpenSim.Framework.Console.MainConsole.Instance.WriteLine(Pack.ToString());
ObjectLinkPacket link = (ObjectLinkPacket)Pack;
uint parentprimid = 0;
OpenSim.world.Primitive parentprim = null;
if (link.ObjectData.Length > 1)
{
parentprimid = link.ObjectData[0].ObjectLocalID;
foreach (Entity ent in m_world.Entities.Values)
{
if (ent.localid == parentprimid)
{
parentprim = (OpenSim.world.Primitive)ent;
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}
}
for (int i = 1; i < link.ObjectData.Length; i++)
{
foreach (Entity ent in m_world.Entities.Values)
{
if (ent.localid == link.ObjectData[i].ObjectLocalID)
{
((OpenSim.world.Primitive)ent).MakeParent(parentprim);
}
}
}
}
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break;
case PacketType.ObjectScale:
OpenSim.Framework.Console.MainConsole.Instance.WriteLine(Pack.ToString());
break;
case PacketType.ObjectShape:
ObjectShapePacket shape = (ObjectShapePacket)Pack;
for (int i = 0; i < shape.ObjectData.Length; i++)
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{
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foreach (Entity ent in m_world.Entities.Values)
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{
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if (ent.localid == shape.ObjectData[i].ObjectLocalID)
{
((OpenSim.world.Primitive)ent).UpdateShape(shape.ObjectData[i]);
}
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}
}
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break;
case PacketType.RequestImage:
RequestImagePacket imageRequest = (RequestImagePacket)Pack;
for (int i = 0; i < imageRequest.RequestImage.Length; i++)
{
m_assetCache.AddTextureRequest(this, imageRequest.RequestImage[i].Image);
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}
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break;
case PacketType.TransferRequest:
//Console.WriteLine("OpenSimClient.cs:ProcessInPacket() - Got transfer request");
TransferRequestPacket transfer = (TransferRequestPacket)Pack;
m_assetCache.AddAssetRequest(this, transfer);
break;
case PacketType.AgentUpdate:
ClientAvatar.HandleUpdate((AgentUpdatePacket)Pack);
break;
case PacketType.ObjectImage:
ObjectImagePacket imagePack = (ObjectImagePacket)Pack;
for (int i = 0; i < imagePack.ObjectData.Length; i++)
{
foreach (Entity ent in m_world.Entities.Values)
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{
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if (ent.localid == imagePack.ObjectData[i].ObjectLocalID)
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{
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((OpenSim.world.Primitive)ent).UpdateTexture(imagePack.ObjectData[i].TextureEntry);
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}
}
}
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break;
case PacketType.ObjectFlagUpdate:
ObjectFlagUpdatePacket flags = (ObjectFlagUpdatePacket)Pack;
foreach (Entity ent in m_world.Entities.Values)
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{
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if (ent.localid == flags.AgentData.ObjectLocalID)
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{
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((OpenSim.world.Primitive)ent).UpdateObjectFlags(flags);
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}
}
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break;
case PacketType.AssetUploadRequest:
AssetUploadRequestPacket request = (AssetUploadRequestPacket)Pack;
this.UploadAssets.HandleUploadPacket(request, request.AssetBlock.TransactionID.Combine(this.SecureSessionID));
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break;
case PacketType.RequestXfer:
//Console.WriteLine(Pack.ToString());
break;
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case PacketType.SendXferPacket:
this.UploadAssets.HandleXferPacket((SendXferPacketPacket)Pack);
break;
case PacketType.CreateInventoryFolder:
CreateInventoryFolderPacket invFolder = (CreateInventoryFolderPacket)Pack;
m_inventoryCache.CreateNewInventoryFolder(this, invFolder.FolderData.FolderID, (ushort)invFolder.FolderData.Type, Util.FieldToString(invFolder.FolderData.Name), invFolder.FolderData.ParentID);
//Console.WriteLine(Pack.ToString());
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break;
case PacketType.CreateInventoryItem:
//Console.WriteLine(Pack.ToString());
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CreateInventoryItemPacket createItem = (CreateInventoryItemPacket)Pack;
if (createItem.InventoryBlock.TransactionID != LLUUID.Zero)
{
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this.UploadAssets.CreateInventoryItem(createItem);
}
else
{
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// Console.Write(Pack.ToString());
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this.CreateInventoryItem(createItem);
}
break;
case PacketType.FetchInventory:
//Console.WriteLine("fetch item packet");
FetchInventoryPacket FetchInventory = (FetchInventoryPacket)Pack;
m_inventoryCache.FetchInventory(this, FetchInventory);
break;
case PacketType.FetchInventoryDescendents:
FetchInventoryDescendentsPacket Fetch = (FetchInventoryDescendentsPacket)Pack;
m_inventoryCache.FetchInventoryDescendents(this, Fetch);
break;
case PacketType.UpdateInventoryItem:
UpdateInventoryItemPacket update = (UpdateInventoryItemPacket)Pack;
//Console.WriteLine(Pack.ToString());
for (int i = 0; i < update.InventoryData.Length; i++)
{
if (update.InventoryData[i].TransactionID != LLUUID.Zero)
{
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AssetBase asset = m_assetCache.GetAsset(update.InventoryData[i].TransactionID.Combine(this.SecureSessionID));
if (asset != null)
{
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// Console.WriteLine("updating inventory item, found asset" + asset.FullID.ToStringHyphenated() + " already in cache");
m_inventoryCache.UpdateInventoryItemAsset(this, update.InventoryData[i].ItemID, asset);
}
else
{
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asset = this.UploadAssets.AddUploadToAssetCache(update.InventoryData[i].TransactionID);
if (asset != null)
{
//Console.WriteLine("updating inventory item, adding asset" + asset.FullID.ToStringHyphenated() + " to cache");
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m_inventoryCache.UpdateInventoryItemAsset(this, update.InventoryData[i].ItemID, asset);
}
else
{
//Console.WriteLine("trying to update inventory item, but asset is null");
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}
}
}
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else
{
m_inventoryCache.UpdateInventoryItemDetails(this, update.InventoryData[i].ItemID, update.InventoryData[i]); ;
}
}
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break;
case PacketType.ViewerEffect:
ViewerEffectPacket viewer = (ViewerEffectPacket)Pack;
foreach (SimClient client in m_clientThreads.Values)
{
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if (client.AgentID != this.AgentID)
{
viewer.AgentData.AgentID = client.AgentID;
viewer.AgentData.SessionID = client.SessionID;
client.OutPacket(viewer);
}
}
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break;
case PacketType.RequestTaskInventory:
// Console.WriteLine(Pack.ToString());
RequestTaskInventoryPacket requesttask = (RequestTaskInventoryPacket)Pack;
ReplyTaskInventoryPacket replytask = new ReplyTaskInventoryPacket();
bool foundent = false;
foreach (Entity ent in m_world.Entities.Values)
{
if (ent.localid == requesttask.InventoryData.LocalID)
{
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replytask.InventoryData.TaskID = ent.uuid;
replytask.InventoryData.Serial = 0;
replytask.InventoryData.Filename = new byte[0];
foundent = true;
}
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}
if (foundent)
{
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this.OutPacket(replytask);
}
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break;
case PacketType.UpdateTaskInventory:
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// Console.WriteLine(Pack.ToString());
UpdateTaskInventoryPacket updatetask = (UpdateTaskInventoryPacket)Pack;
AgentInventory myinventory = this.m_inventoryCache.GetAgentsInventory(this.AgentID);
if (myinventory != null)
{
if (updatetask.UpdateData.Key == 0)
{
if (myinventory.InventoryItems[updatetask.InventoryData.ItemID] != null)
{
if (myinventory.InventoryItems[updatetask.InventoryData.ItemID].Type == 7)
{
LLUUID noteaid = myinventory.InventoryItems[updatetask.InventoryData.ItemID].AssetID;
AssetBase assBase = this.m_assetCache.GetAsset(noteaid);
if (assBase != null)
{
foreach (Entity ent in m_world.Entities.Values)
{
if (ent.localid == updatetask.UpdateData.LocalID)
{
if (ent is OpenSim.world.Primitive)
{
this.m_world.AddScript(ent, Util.FieldToString(assBase.Data));
}
}
}
}
}
}
}
}
break;
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case PacketType.AgentAnimation:
if (!m_child)
{
AgentAnimationPacket AgentAni = (AgentAnimationPacket)Pack;
for (int i = 0; i < AgentAni.AnimationList.Length; i++)
{
if (AgentAni.AnimationList[i].StartAnim)
{
ClientAvatar.current_anim = AgentAni.AnimationList[i].AnimID;
ClientAvatar.anim_seq = 1;
ClientAvatar.SendAnimPack();
}
}
}
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break;
case PacketType.ObjectSelect:
ObjectSelectPacket incomingselect = (ObjectSelectPacket)Pack;
for (int i = 0; i < incomingselect.ObjectData.Length; i++)
{
foreach (Entity ent in m_world.Entities.Values)
{
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if (ent.localid == incomingselect.ObjectData[i].ObjectLocalID)
{
((OpenSim.world.Primitive)ent).GetProperites(this);
break;
}
}
}
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break;
}
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}
}
private void ResendUnacked()
{
int now = Environment.TickCount;
lock (NeedAck)
{
foreach (Packet packet in NeedAck.Values)
{
if ((now - packet.TickCount > RESEND_TIMEOUT) && (!packet.Header.Resent))
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("Resending " + packet.Type.ToString() + " packet, " +
(now - packet.TickCount) + "ms have passed");
packet.Header.Resent = true;
OutPacket(packet);
}
}
}
}
private void SendAcks()
{
lock (PendingAcks)
{
if (PendingAcks.Count > 0)
{
if (PendingAcks.Count > 250)
{
// FIXME: Handle the odd case where we have too many pending ACKs queued up
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("Too many ACKs queued up!");
return;
}
//OpenSim.Framework.Console.MainConsole.Instance.WriteLine("Sending PacketAck");
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int i = 0;
PacketAckPacket acks = new PacketAckPacket();
acks.Packets = new PacketAckPacket.PacketsBlock[PendingAcks.Count];
foreach (uint ack in PendingAcks.Values)
{
acks.Packets[i] = new PacketAckPacket.PacketsBlock();
acks.Packets[i].ID = ack;
i++;
}
acks.Header.Reliable = false;
OutPacket(acks);
PendingAcks.Clear();
}
}
}
private void AckTimer_Elapsed(object sender, ElapsedEventArgs ea)
{
SendAcks();
ResendUnacked();
}
protected virtual void ProcessOutPacket(Packet Pack)
{
// Keep track of when this packet was sent out
Pack.TickCount = Environment.TickCount;
if (!Pack.Header.Resent)
{
// Set the sequence number
lock (SequenceLock)
{
if (Sequence >= MAX_SEQUENCE)
Sequence = 1;
else
Sequence++;
Pack.Header.Sequence = Sequence;
}
if (Pack.Header.Reliable) //DIRTY HACK
{
lock (NeedAck)
{
if (!NeedAck.ContainsKey(Pack.Header.Sequence))
{
try
{
NeedAck.Add(Pack.Header.Sequence, Pack);
}
catch (Exception e) // HACKY
{
e.ToString();
// Ignore
// Seems to throw a exception here occasionally
// of 'duplicate key' despite being locked.
// !?!?!?
}
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}
else
{
// Client.Log("Attempted to add a duplicate sequence number (" +
// packet.Header.Sequence + ") to the NeedAck dictionary for packet type " +
// packet.Type.ToString(), Helpers.LogLevel.Warning);
}
}
// Don't append ACKs to resent packets, in case that's what was causing the
// delivery to fail
if (!Pack.Header.Resent)
{
// Append any ACKs that need to be sent out to this packet
lock (PendingAcks)
{
if (PendingAcks.Count > 0 && PendingAcks.Count < MAX_APPENDED_ACKS &&
Pack.Type != PacketType.PacketAck &&
Pack.Type != PacketType.LogoutRequest)
{
Pack.Header.AckList = new uint[PendingAcks.Count];
int i = 0;
foreach (uint ack in PendingAcks.Values)
{
Pack.Header.AckList[i] = ack;
i++;
}
PendingAcks.Clear();
Pack.Header.AppendedAcks = true;
}
}
}
}
}
byte[] ZeroOutBuffer = new byte[4096];
byte[] sendbuffer;
sendbuffer = Pack.ToBytes();
try
{
if (Pack.Header.Zerocoded)
{
int packetsize = Helpers.ZeroEncode(sendbuffer, sendbuffer.Length, ZeroOutBuffer);
m_application.SendPacketTo(ZeroOutBuffer, packetsize, SocketFlags.None, CircuitCode);//userEP);
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}
else
{
m_application.SendPacketTo(sendbuffer, sendbuffer.Length, SocketFlags.None, CircuitCode); //userEP);
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}
}
catch (Exception)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("OpenSimClient.cs:ProcessOutPacket() - WARNING: Socket exception occurred on connection " + userEP.ToString() + " - killing thread");
ClientThread.Abort();
}
}
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public virtual void InPacket(Packet NewPack)
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{
// Handle appended ACKs
if (NewPack.Header.AppendedAcks)
{
lock (NeedAck)
{
foreach (uint ack in NewPack.Header.AckList)
{
NeedAck.Remove(ack);
}
}
}
// Handle PacketAck packets
if (NewPack.Type == PacketType.PacketAck)
{
PacketAckPacket ackPacket = (PacketAckPacket)NewPack;
lock (NeedAck)
{
foreach (PacketAckPacket.PacketsBlock block in ackPacket.Packets)
{
NeedAck.Remove(block.ID);
}
}
}
else if ((NewPack.Type == PacketType.StartPingCheck))
{
//reply to pingcheck
libsecondlife.Packets.StartPingCheckPacket startPing = (libsecondlife.Packets.StartPingCheckPacket)NewPack;
libsecondlife.Packets.CompletePingCheckPacket endPing = new CompletePingCheckPacket();
endPing.PingID.PingID = startPing.PingID.PingID;
OutPacket(endPing);
}
else
{
QueItem item = new QueItem();
item.Packet = NewPack;
item.Incoming = true;
this.PacketQueue.Enqueue(item);
}
}
public virtual void OutPacket(Packet NewPack)
{
QueItem item = new QueItem();
item.Packet = NewPack;
item.Incoming = false;
this.PacketQueue.Enqueue(item);
}
protected virtual void ClientLoop()
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("OpenSimClient.cs:ClientLoop() - Entered loop");
while (true)
{
QueItem nextPacket = PacketQueue.Dequeue();
if (nextPacket.Incoming)
{
//is a incoming packet
ProcessInPacket(nextPacket.Packet);
}
else
{
//is a out going packet
ProcessOutPacket(nextPacket.Packet);
}
}
}
protected virtual void InitNewClient()
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("OpenSimClient.cs:InitNewClient() - Adding viewer agent to world");
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m_world.AddViewerAgent(this);
world.Entity tempent = m_world.Entities[this.AgentID];
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this.ClientAvatar = (world.Avatar)tempent;
}
protected virtual void AuthUser()
{
AuthenticateResponse sessionInfo = m_gridServer.AuthenticateSession(cirpack.CircuitCode.SessionID, cirpack.CircuitCode.ID, cirpack.CircuitCode.Code);
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if (!sessionInfo.Authorised)
{
//session/circuit not authorised
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("OpenSimClient.cs:AuthUser() - New user request denied to " + userEP.ToString());
ClientThread.Abort();
}
else
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("OpenSimClient.cs:AuthUser() - Got authenticated connection from " + userEP.ToString());
//session is authorised
this.AgentID = cirpack.CircuitCode.ID;
this.SessionID = cirpack.CircuitCode.SessionID;
this.CircuitCode = cirpack.CircuitCode.Code;
InitNewClient(); //shouldn't be called here as we might be a child agent and not want a full avatar
this.ClientAvatar.firstname = sessionInfo.LoginInfo.First;
this.ClientAvatar.lastname = sessionInfo.LoginInfo.Last;
if (sessionInfo.LoginInfo.SecureSession != LLUUID.Zero)
{
this.SecureSessionID = sessionInfo.LoginInfo.SecureSession;
}
// Create Inventory, currently only works for sandbox mode
if (m_sandboxMode)
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{
AgentInventory inventory = null;
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if (sessionInfo.LoginInfo.InventoryFolder != null)
{
inventory = this.CreateInventory(sessionInfo.LoginInfo.InventoryFolder);
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if (sessionInfo.LoginInfo.BaseFolder != null)
{
if (!inventory.HasFolder(sessionInfo.LoginInfo.BaseFolder))
{
m_inventoryCache.CreateNewInventoryFolder(this, sessionInfo.LoginInfo.BaseFolder);
}
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this.newAssetFolder = sessionInfo.LoginInfo.BaseFolder;
AssetBase[] inventorySet = m_assetCache.CreateNewInventorySet(this.AgentID);
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if (inventorySet != null)
{
for (int i = 0; i < inventorySet.Length; i++)
{
if (inventorySet[i] != null)
{
m_inventoryCache.AddNewInventoryItem(this, sessionInfo.LoginInfo.BaseFolder, inventorySet[i]);
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}
}
}
}
}
}
ClientLoop();
}
}
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#region Packet handlers
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protected virtual bool Logout(SimClient simClient, Packet packet)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("OpenSimClient.cs:ProcessInPacket() - Got a logout request");
//send reply to let the client logout
LogoutReplyPacket logReply = new LogoutReplyPacket();
logReply.AgentData.AgentID = this.AgentID;
logReply.AgentData.SessionID = this.SessionID;
logReply.InventoryData = new LogoutReplyPacket.InventoryDataBlock[1];
logReply.InventoryData[0] = new LogoutReplyPacket.InventoryDataBlock();
logReply.InventoryData[0].ItemID = LLUUID.Zero;
OutPacket(logReply);
//tell all clients to kill our object
KillObjectPacket kill = new KillObjectPacket();
kill.ObjectData = new KillObjectPacket.ObjectDataBlock[1];
kill.ObjectData[0] = new KillObjectPacket.ObjectDataBlock();
kill.ObjectData[0].ID = this.ClientAvatar.localid;
foreach (SimClient client in m_clientThreads.Values)
{
client.OutPacket(kill);
}
if (this.m_userServer != null)
{
this.m_inventoryCache.ClientLeaving(this.AgentID, this.m_userServer);
}
else
{
this.m_inventoryCache.ClientLeaving(this.AgentID, null);
}
m_gridServer.LogoutSession(this.SessionID, this.AgentID, this.CircuitCode);
/*lock (m_world.Entities)
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{
m_world.Entities.Remove(this.AgentID);
}*/
m_world.RemoveViewerAgent(this);
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//need to do other cleaning up here too
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m_clientThreads.Remove(this.CircuitCode);
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m_application.RemoveClientCircuit(this.CircuitCode);
this.ClientThread.Abort();
return true;
}
protected bool AgentTextureCached(SimClient simclient, Packet packet)
{
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// Console.WriteLine(packet.ToString());
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AgentCachedTexturePacket chechedtex = (AgentCachedTexturePacket)packet;
AgentCachedTextureResponsePacket cachedresp = new AgentCachedTextureResponsePacket();
cachedresp.AgentData.AgentID = this.AgentID;
cachedresp.AgentData.SessionID = this.SessionID;
cachedresp.AgentData.SerialNum = this.cachedtextureserial;
this.cachedtextureserial++;
cachedresp.WearableData = new AgentCachedTextureResponsePacket.WearableDataBlock[chechedtex.WearableData.Length];
for (int i = 0; i < chechedtex.WearableData.Length; i++)
{
cachedresp.WearableData[i] = new AgentCachedTextureResponsePacket.WearableDataBlock();
cachedresp.WearableData[i].TextureIndex = chechedtex.WearableData[i].TextureIndex;
cachedresp.WearableData[i].TextureID = LLUUID.Zero;
cachedresp.WearableData[i].HostName = new byte[0];
}
this.OutPacket(cachedresp);
return true;
}
protected bool MultipleObjUpdate(SimClient simClient, Packet packet)
{
MultipleObjectUpdatePacket multipleupdate = (MultipleObjectUpdatePacket)packet;
for (int i = 0; i < multipleupdate.ObjectData.Length; i++)
{
if (multipleupdate.ObjectData[i].Type == 9) //change position
{
libsecondlife.LLVector3 pos = new LLVector3(multipleupdate.ObjectData[i].Data, 0);
foreach (Entity ent in m_world.Entities.Values)
{
if (ent.localid == multipleupdate.ObjectData[i].ObjectLocalID)
{
((OpenSim.world.Primitive)ent).UpdatePosition(pos);
}
}
//should update stored position of the prim
}
else if (multipleupdate.ObjectData[i].Type == 10)//rotation
{
libsecondlife.LLQuaternion rot = new LLQuaternion(multipleupdate.ObjectData[i].Data, 0, true);
foreach (Entity ent in m_world.Entities.Values)
{
if (ent.localid == multipleupdate.ObjectData[i].ObjectLocalID)
{
ent.rotation = new Axiom.MathLib.Quaternion(rot.W, rot.X, rot.Y, rot.Z);
((OpenSim.world.Primitive)ent).UpdateFlag = true;
}
}
}
else if (multipleupdate.ObjectData[i].Type == 13)//scale
{
libsecondlife.LLVector3 scale = new LLVector3(multipleupdate.ObjectData[i].Data, 12);
foreach (Entity ent in m_world.Entities.Values)
{
if (ent.localid == multipleupdate.ObjectData[i].ObjectLocalID)
{
((OpenSim.world.Primitive)ent).Scale = scale;
}
}
}
}
return true;
}
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#endregion
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private AgentInventory CreateInventory(LLUUID baseFolder)
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{
AgentInventory inventory = null;
if (this.m_userServer != null)
{
// a user server is set so request the inventory from it
Console.WriteLine("getting inventory from user server");
inventory = m_inventoryCache.FetchAgentsInventory(this.AgentID, m_userServer);
}
else
{
inventory = new AgentInventory();
inventory.AgentID = this.AgentID;
inventory.CreateRootFolder(this.AgentID, false);
m_inventoryCache.AddNewAgentsInventory(inventory);
m_inventoryCache.CreateNewInventoryFolder(this, baseFolder);
}
return inventory;
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}
private void CreateInventoryItem(CreateInventoryItemPacket packet)
{
if (packet.InventoryBlock.Type == 7)
{
//lets try this out with creating a notecard
AssetBase asset = new AssetBase();
asset.Name = Util.FieldToString(packet.InventoryBlock.Name);
asset.Description = Util.FieldToString(packet.InventoryBlock.Description);
asset.InvType = packet.InventoryBlock.InvType;
asset.Type = packet.InventoryBlock.Type;
asset.FullID = LLUUID.Random();
asset.Data = new byte[0];
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m_assetCache.AddAsset(asset);
m_inventoryCache.AddNewInventoryItem(this, packet.InventoryBlock.FolderID, asset);
}
}
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}
}