647 lines
29 KiB
C#
647 lines
29 KiB
C#
/*
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Copyright (c) OpenSim project, http://osgrid.org/
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the <organization> nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY <copyright holder> ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using libsecondlife;
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using libsecondlife.Packets;
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using System.Net;
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using System.Net.Sockets;
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using System.IO;
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using System.Threading;
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using System.Timers;
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using OpenSim.Framework.Interfaces;
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using OpenSim.Framework.Assets;
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using OpenSim.Framework.Inventory;
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using OpenSim.Framework.Utilities;
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using OpenSim.world;
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using OpenSim.Assets;
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namespace OpenSim
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{
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/// <summary>
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/// Handles new client connections
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/// Constructor takes a single Packet and authenticates everything
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/// </summary>
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public class OpenSimClient
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{
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public LLUUID AgentID;
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public LLUUID SessionID;
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public uint CircuitCode;
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public world.Avatar ClientAvatar;
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private UseCircuitCodePacket cirpack;
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private Thread ClientThread;
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public EndPoint userEP;
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private BlockingQueue<QueItem> PacketQueue;
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private Dictionary<uint, uint> PendingAcks = new Dictionary<uint, uint>();
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private Dictionary<uint, Packet> NeedAck = new Dictionary<uint, Packet>();
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private Dictionary<LLUUID, AssetBase> UploadedAssets = new Dictionary<LLUUID, AssetBase>();
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private System.Timers.Timer AckTimer;
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private uint Sequence = 0;
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private object SequenceLock = new object();
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private const int MAX_APPENDED_ACKS = 10;
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private const int RESEND_TIMEOUT = 4000;
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private const int MAX_SEQUENCE = 0xFFFFFF;
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private LLUUID newAssetFolder = LLUUID.Zero;
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private bool debug = false;
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public void ack_pack(Packet Pack)
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{
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//libsecondlife.Packets.PacketAckPacket ack_it = new PacketAckPacket();
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//ack_it.Packets = new PacketAckPacket.PacketsBlock[1];
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//ack_it.Packets[0] = new PacketAckPacket.PacketsBlock();
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//ack_it.Packets[0].ID = Pack.Header.ID;
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//ack_it.Header.Reliable = false;
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//OutPacket(ack_it);
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if (Pack.Header.Reliable)
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{
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lock (PendingAcks)
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{
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uint sequence = (uint)Pack.Header.Sequence;
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if (!PendingAcks.ContainsKey(sequence)) { PendingAcks[sequence] = sequence; }
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}
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}
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}
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public void ProcessInPacket(Packet Pack)
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{
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ack_pack(Pack);
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if (debug)
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{
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if (Pack.Type != PacketType.AgentUpdate)
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{
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Console.WriteLine(Pack.Type.ToString());
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}
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}
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switch (Pack.Type)
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{
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case PacketType.CompleteAgentMovement:
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ClientAvatar.CompleteMovement(OpenSimMain.Instance.LocalWorld);
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ClientAvatar.SendInitialPosition();
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break;
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case PacketType.RegionHandshakeReply:
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OpenSimMain.Instance.LocalWorld.SendLayerData(this);
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break;
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case PacketType.AgentWearablesRequest:
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ClientAvatar.SendInitialAppearance();
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foreach (OpenSimClient client in OpenSimMain.Instance.ClientThreads.Values)
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{
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if (client.AgentID != this.AgentID)
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{
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ObjectUpdatePacket objupdate = client.ClientAvatar.CreateUpdatePacket();
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this.OutPacket(objupdate);
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client.ClientAvatar.SendAppearanceToOtherAgent(this);
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}
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}
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OpenSimMain.Instance.LocalWorld.GetInitialPrims(this);
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break;
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case PacketType.ObjectAdd:
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OpenSimMain.Instance.LocalWorld.AddNewPrim((ObjectAddPacket)Pack, this);
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break;
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case PacketType.ObjectLink:
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ServerConsole.MainConsole.Instance.WriteLine(Pack.ToString());
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break;
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case PacketType.ObjectScale:
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ServerConsole.MainConsole.Instance.WriteLine(Pack.ToString());
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break;
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case PacketType.ObjectShape:
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ObjectShapePacket shape = (ObjectShapePacket)Pack;
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for (int i = 0; i < shape.ObjectData.Length; i++)
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{
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foreach (Entity ent in OpenSimMain.Instance.LocalWorld.Entities.Values)
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{
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if (ent.localid == shape.ObjectData[i].ObjectLocalID)
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{
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((OpenSim.world.Primitive)ent).UpdateShape(shape.ObjectData[i]);
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}
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}
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}
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break;
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case PacketType.MultipleObjectUpdate:
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MultipleObjectUpdatePacket multipleupdate = (MultipleObjectUpdatePacket)Pack;
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for (int i = 0; i < multipleupdate.ObjectData.Length; i++)
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{
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if (multipleupdate.ObjectData[i].Type == 9) //change position
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{
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libsecondlife.LLVector3 pos = new LLVector3(multipleupdate.ObjectData[i].Data, 0);
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foreach (Entity ent in OpenSimMain.Instance.LocalWorld.Entities.Values)
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{
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if (ent.localid == multipleupdate.ObjectData[i].ObjectLocalID)
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{
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((OpenSim.world.Primitive)ent).UpdatePosition(pos);
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}
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}
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//should update stored position of the prim
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}
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else if (multipleupdate.ObjectData[i].Type == 10)//rotation
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{
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libsecondlife.LLQuaternion rot = new LLQuaternion(multipleupdate.ObjectData[i].Data, 0, true);
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foreach (Entity ent in OpenSimMain.Instance.LocalWorld.Entities.Values)
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{
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if (ent.localid == multipleupdate.ObjectData[i].ObjectLocalID)
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{
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ent.rotation = new Axiom.MathLib.Quaternion(rot.W, rot.X, rot.Y, rot.W);
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((OpenSim.world.Primitive)ent).UpdateFlag = true;
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}
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}
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}
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else if (multipleupdate.ObjectData[i].Type == 13)//scale
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{
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libsecondlife.LLVector3 scale = new LLVector3(multipleupdate.ObjectData[i].Data, 12);
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foreach (Entity ent in OpenSimMain.Instance.LocalWorld.Entities.Values)
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{
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if (ent.localid == multipleupdate.ObjectData[i].ObjectLocalID)
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{
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((OpenSim.world.Primitive)ent).Scale = scale;
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}
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}
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}
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}
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break;
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case PacketType.RequestImage:
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RequestImagePacket imageRequest = (RequestImagePacket)Pack;
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for (int i = 0; i < imageRequest.RequestImage.Length; i++)
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{
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OpenSimMain.Instance.AssetCache.AddTextureRequest(this, imageRequest.RequestImage[i].Image);
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}
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break;
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case PacketType.TransferRequest:
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//Console.WriteLine("OpenSimClient.cs:ProcessInPacket() - Got transfer request");
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TransferRequestPacket transfer = (TransferRequestPacket)Pack;
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OpenSimMain.Instance.AssetCache.AddAssetRequest(this, transfer);
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break;
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case PacketType.AgentUpdate:
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ClientAvatar.HandleUpdate((AgentUpdatePacket)Pack);
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break;
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case PacketType.LogoutRequest:
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ServerConsole.MainConsole.Instance.WriteLine("OpenSimClient.cs:ProcessInPacket() - Got a logout request");
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//send reply to let the client logout
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LogoutReplyPacket logReply = new LogoutReplyPacket();
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logReply.AgentData.AgentID = this.AgentID;
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logReply.AgentData.SessionID = this.SessionID;
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logReply.InventoryData = new LogoutReplyPacket.InventoryDataBlock[1];
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logReply.InventoryData[0] = new LogoutReplyPacket.InventoryDataBlock();
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logReply.InventoryData[0].ItemID = LLUUID.Zero;
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OutPacket(logReply);
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//tell all clients to kill our object
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KillObjectPacket kill = new KillObjectPacket();
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kill.ObjectData = new KillObjectPacket.ObjectDataBlock[1];
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kill.ObjectData[0] = new KillObjectPacket.ObjectDataBlock();
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kill.ObjectData[0].ID = this.ClientAvatar.localid;
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foreach (OpenSimClient client in OpenSimMain.Instance.ClientThreads.Values)
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{
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client.OutPacket(kill);
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}
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OpenSimMain.Instance.GridServers.GridServer.LogoutSession(this.SessionID, this.AgentID, this.CircuitCode);
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lock (OpenSimMain.Instance.LocalWorld.Entities)
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{
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OpenSimMain.Instance.LocalWorld.Entities.Remove(this.AgentID);
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}
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//need to do other cleaning up here too
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OpenSimMain.Instance.ClientThreads.Remove(this.userEP);
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this.ClientThread.Abort();
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break;
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case PacketType.ChatFromViewer:
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ChatFromViewerPacket inchatpack = (ChatFromViewerPacket)Pack;
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if (Helpers.FieldToString(inchatpack.ChatData.Message) == "") break;
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System.Text.Encoding _enc = System.Text.Encoding.ASCII;
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libsecondlife.Packets.ChatFromSimulatorPacket reply = new ChatFromSimulatorPacket();
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reply.ChatData.Audible = 1;
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reply.ChatData.Message = inchatpack.ChatData.Message;
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reply.ChatData.ChatType = 1;
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reply.ChatData.SourceType = 1;
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reply.ChatData.Position = this.ClientAvatar.position;
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reply.ChatData.FromName = _enc.GetBytes(this.ClientAvatar.firstname + " " + this.ClientAvatar.lastname + "\0");
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reply.ChatData.OwnerID = this.AgentID;
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reply.ChatData.SourceID = this.AgentID;
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foreach (OpenSimClient client in OpenSimMain.Instance.ClientThreads.Values)
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{
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client.OutPacket(reply);
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}
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break;
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case PacketType.ObjectImage:
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ObjectImagePacket imagePack = (ObjectImagePacket)Pack;
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for (int i = 0; i < imagePack.ObjectData.Length; i++)
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{
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foreach (Entity ent in OpenSimMain.Instance.LocalWorld.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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}
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}
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break;
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case PacketType.ObjectFlagUpdate:
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ObjectFlagUpdatePacket flags = (ObjectFlagUpdatePacket)Pack;
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foreach (Entity ent in OpenSimMain.Instance.LocalWorld.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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}
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break;
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case PacketType.AssetUploadRequest:
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//AssetUploadRequestPacket request = (AssetUploadRequestPacket)Pack;
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//Console.WriteLine("upload request "+ request.AssetBlock.TransactionID);
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//AssetBase newAsset = OpenSim_Main.sim.assetCache.UploadPacket(request);
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//Console.WriteLine(request.ToString());
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/*if(newAsset != null)
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{
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if(!this.UploadedAssets.ContainsKey(newAsset.FullID))
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{
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this.UploadedAssets.Add(newAsset.FullID, newAsset);
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}
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}*/
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/*AssetUploadCompletePacket response = new AssetUploadCompletePacket();
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response.AssetBlock.Type =request.AssetBlock.Type;
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response.AssetBlock.Success = false;
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response.AssetBlock.UUID = request.AssetBlock.TransactionID;
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this.OutPacket(response);*/
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break;
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case PacketType.AssetUploadComplete:
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//AssetUploadCompletePacket complete = (AssetUploadCompletePacket)Pack;
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//Console.WriteLine("upload complete "+ complete.AssetBlock.UUID);
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/*AssetBase completedAsset = OpenSim_Main.sim.assetCache.TransactionComplete(complete.AssetBlock.UUID);
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if(completedAsset != null)
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{
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if(!this.UploadedAssets.ContainsKey(completedAsset.FullID))
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{
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this.UploadedAssets.Remove(completedAsset.FullID);
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if(this.newAssetFolder != LLUUID.Zero)
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{
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OpenSim_Main.sim.inventoryManager.AddNewInventoryItem(this, this.newAssetFolder, completedAsset);
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}
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}
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} */
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break;
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case PacketType.CreateInventoryFolder:
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Console.WriteLine(Pack.ToString());
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break;
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case PacketType.CreateInventoryItem:
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Console.WriteLine(Pack.ToString());
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break;
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case PacketType.FetchInventory:
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Console.WriteLine("fetch item packet");
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FetchInventoryPacket FetchInventory = (FetchInventoryPacket)Pack;
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OpenSimMain.Instance.InventoryCache.FetchInventory(this, FetchInventory);
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break;
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case PacketType.FetchInventoryDescendents:
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FetchInventoryDescendentsPacket Fetch = (FetchInventoryDescendentsPacket)Pack;
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OpenSimMain.Instance.InventoryCache.FetchInventoryDescendents(this, Fetch);
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break;
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}
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}
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private void ResendUnacked()
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{
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int now = Environment.TickCount;
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lock (NeedAck)
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{
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foreach (Packet packet in NeedAck.Values)
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{
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if ((now - packet.TickCount > RESEND_TIMEOUT) && (!packet.Header.Resent))
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{
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ServerConsole.MainConsole.Instance.WriteLine("Resending " + packet.Type.ToString() + " packet, " +
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(now - packet.TickCount) + "ms have passed");
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packet.Header.Resent = true;
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OutPacket(packet);
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}
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}
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}
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}
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private void SendAcks()
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{
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lock (PendingAcks)
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{
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if (PendingAcks.Count > 0)
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{
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if (PendingAcks.Count > 250)
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{
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// FIXME: Handle the odd case where we have too many pending ACKs queued up
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ServerConsole.MainConsole.Instance.WriteLine("Too many ACKs queued up!");
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return;
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}
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ServerConsole.MainConsole.Instance.WriteLine("Sending PacketAck");
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int i = 0;
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PacketAckPacket acks = new PacketAckPacket();
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acks.Packets = new PacketAckPacket.PacketsBlock[PendingAcks.Count];
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foreach (uint ack in PendingAcks.Values)
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{
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acks.Packets[i] = new PacketAckPacket.PacketsBlock();
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acks.Packets[i].ID = ack;
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i++;
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}
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acks.Header.Reliable = false;
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OutPacket(acks);
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PendingAcks.Clear();
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}
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}
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}
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private void AckTimer_Elapsed(object sender, ElapsedEventArgs ea)
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{
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SendAcks();
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ResendUnacked();
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}
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public void ProcessOutPacket(Packet Pack)
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{
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// Keep track of when this packet was sent out
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Pack.TickCount = Environment.TickCount;
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if (!Pack.Header.Resent)
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{
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// Set the sequence number
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lock (SequenceLock)
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{
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if (Sequence >= MAX_SEQUENCE)
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Sequence = 1;
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else
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Sequence++;
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Pack.Header.Sequence = Sequence;
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}
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if (Pack.Header.Reliable) //DIRTY HACK
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{
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lock (NeedAck)
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{
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if (!NeedAck.ContainsKey(Pack.Header.Sequence))
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{
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NeedAck.Add(Pack.Header.Sequence, Pack);
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}
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else
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{
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// Client.Log("Attempted to add a duplicate sequence number (" +
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// packet.Header.Sequence + ") to the NeedAck dictionary for packet type " +
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// packet.Type.ToString(), Helpers.LogLevel.Warning);
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}
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}
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// Don't append ACKs to resent packets, in case that's what was causing the
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// delivery to fail
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if (!Pack.Header.Resent)
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{
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// Append any ACKs that need to be sent out to this packet
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lock (PendingAcks)
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{
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if (PendingAcks.Count > 0 && PendingAcks.Count < MAX_APPENDED_ACKS &&
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Pack.Type != PacketType.PacketAck &&
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Pack.Type != PacketType.LogoutRequest)
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{
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Pack.Header.AckList = new uint[PendingAcks.Count];
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int i = 0;
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foreach (uint ack in PendingAcks.Values)
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{
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Pack.Header.AckList[i] = ack;
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i++;
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}
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PendingAcks.Clear();
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Pack.Header.AppendedAcks = true;
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}
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}
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}
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}
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}
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//ServerConsole.MainConsole.Instance.WriteLine("OUT: \n" + Pack.ToString());
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byte[] ZeroOutBuffer = new byte[4096];
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byte[] sendbuffer;
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sendbuffer = Pack.ToBytes();
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try
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{
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if (Pack.Header.Zerocoded)
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{
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int packetsize = Helpers.ZeroEncode(sendbuffer, sendbuffer.Length, ZeroOutBuffer);
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OpenSimMain.Instance.Server.SendTo(ZeroOutBuffer, packetsize, SocketFlags.None, userEP);
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}
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else
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{
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OpenSimMain.Instance.Server.SendTo(sendbuffer, sendbuffer.Length, SocketFlags.None, userEP);
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}
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}
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catch (Exception)
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{
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ServerConsole.MainConsole.Instance.WriteLine("OpenSimClient.cs:ProcessOutPacket() - WARNING: Socket exception occurred on connection " + userEP.ToString() + " - killing thread");
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ClientThread.Abort();
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}
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}
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public void InPacket(Packet NewPack)
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{
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// Handle appended ACKs
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if (NewPack.Header.AppendedAcks)
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{
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lock (NeedAck)
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{
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foreach (uint ack in NewPack.Header.AckList)
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{
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NeedAck.Remove(ack);
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}
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}
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}
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// Handle PacketAck packets
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if (NewPack.Type == PacketType.PacketAck)
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{
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PacketAckPacket ackPacket = (PacketAckPacket)NewPack;
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lock (NeedAck)
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{
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foreach (PacketAckPacket.PacketsBlock block in ackPacket.Packets)
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{
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NeedAck.Remove(block.ID);
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}
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}
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}
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else if ((NewPack.Type == PacketType.StartPingCheck))
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{
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//reply to pingcheck
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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 void OutPacket(Packet NewPack)
|
|
{
|
|
QueItem item = new QueItem();
|
|
item.Packet = NewPack;
|
|
item.Incoming = false;
|
|
this.PacketQueue.Enqueue(item);
|
|
}
|
|
|
|
public OpenSimClient(EndPoint remoteEP, UseCircuitCodePacket initialcirpack)
|
|
{
|
|
ServerConsole.MainConsole.Instance.WriteLine("OpenSimClient.cs - Started up new client thread to handle incoming request");
|
|
cirpack = initialcirpack;
|
|
userEP = remoteEP;
|
|
PacketQueue = new BlockingQueue<QueItem>();
|
|
AckTimer = new System.Timers.Timer(500);
|
|
AckTimer.Elapsed += new ElapsedEventHandler(AckTimer_Elapsed);
|
|
AckTimer.Start();
|
|
|
|
ClientThread = new Thread(new ThreadStart(AuthUser));
|
|
ClientThread.IsBackground = true;
|
|
ClientThread.Start();
|
|
}
|
|
|
|
private void ClientLoop()
|
|
{
|
|
ServerConsole.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);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void InitNewClient()
|
|
{
|
|
ServerConsole.MainConsole.Instance.WriteLine("OpenSimClient.cs:InitNewClient() - Adding viewer agent to world");
|
|
OpenSimMain.Instance.LocalWorld.AddViewerAgent(this);
|
|
world.Entity tempent = OpenSimMain.Instance.LocalWorld.Entities[this.AgentID];
|
|
this.ClientAvatar = (world.Avatar)tempent;
|
|
}
|
|
|
|
private void AuthUser()
|
|
{
|
|
AuthenticateResponse sessionInfo = OpenSimMain.Instance.GridServers.GridServer.AuthenticateSession(cirpack.CircuitCode.SessionID, cirpack.CircuitCode.ID, cirpack.CircuitCode.Code);
|
|
if (!sessionInfo.Authorised)
|
|
{
|
|
//session/circuit not authorised
|
|
ServerConsole.MainConsole.Instance.WriteLine("OpenSimClient.cs:AuthUser() - New user request denied to " + userEP.ToString());
|
|
ClientThread.Abort();
|
|
}
|
|
else
|
|
{
|
|
ServerConsole.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();
|
|
this.ClientAvatar.firstname = sessionInfo.LoginInfo.First;
|
|
this.ClientAvatar.lastname = sessionInfo.LoginInfo.Last;
|
|
|
|
// Create Inventory, currently only works for sandbox mode
|
|
if (OpenSimMain.Instance.sandbox)
|
|
{
|
|
if (sessionInfo.LoginInfo.InventoryFolder != null)
|
|
{
|
|
this.CreateInventory(sessionInfo.LoginInfo.InventoryFolder);
|
|
if (sessionInfo.LoginInfo.BaseFolder != null)
|
|
{
|
|
OpenSimMain.Instance.InventoryCache.CreateNewInventoryFolder(this, sessionInfo.LoginInfo.BaseFolder);
|
|
this.newAssetFolder = sessionInfo.LoginInfo.BaseFolder;
|
|
AssetBase[] inventorySet = OpenSimMain.Instance.AssetCache.CreateNewInventorySet(this.AgentID);
|
|
if (inventorySet != null)
|
|
{
|
|
for (int i = 0; i < inventorySet.Length; i++)
|
|
{
|
|
if (inventorySet[i] != null)
|
|
{
|
|
Console.WriteLine(Helpers.FieldToString(inventorySet[i].Data));
|
|
OpenSimMain.Instance.InventoryCache.AddNewInventoryItem(this, sessionInfo.LoginInfo.BaseFolder, inventorySet[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
ClientLoop();
|
|
}
|
|
}
|
|
|
|
private void CreateInventory(LLUUID baseFolder)
|
|
{
|
|
AgentInventory inventory = new AgentInventory();
|
|
inventory.AgentID = this.AgentID;
|
|
OpenSimMain.Instance.InventoryCache.AddNewAgentsInventory(inventory);
|
|
OpenSimMain.Instance.InventoryCache.CreateNewInventoryFolder(this, baseFolder);
|
|
}
|
|
}
|
|
|
|
public class QueItem
|
|
{
|
|
public QueItem()
|
|
{
|
|
}
|
|
|
|
public Packet Packet;
|
|
public bool Incoming;
|
|
}
|
|
|
|
}
|