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 System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;
using System.Timers;
using OpenSim.Framework.Interfaces;
using OpenSim.Framework.Assets;
using OpenSim.Framework.Inventory;
using OpenSim.Framework.Utilities;
using OpenSim.world;
using OpenSim.Assets;
namespace OpenSim
{
/// <summary>
/// Handles new client connections
/// Constructor takes a single Packet and authenticates everything
/// </summary>
public class SimClient
{
public LLUUID AgentID;
public LLUUID SessionID;
public uint CircuitCode;
public world.Avatar ClientAvatar;
private UseCircuitCodePacket cirpack;
private Thread ClientThread;
public EndPoint userEP;
private BlockingQueue<QueItem> PacketQueue;
private Dictionary<uint, uint> PendingAcks = new Dictionary<uint, uint>();
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;
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 LLUUID newAssetFolder = LLUUID.Zero;
private bool debug = false;
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private void ack_pack(Packet Pack)
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{
//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.ID;
//ack_it.Header.Reliable = false;
//OutPacket(ack_it);
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)
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{
ack_pack(Pack);
if (debug)
{
if (Pack.Type != PacketType.AgentUpdate)
{
Console.WriteLine(Pack.Type.ToString());
}
}
switch (Pack.Type)
{
case PacketType.CompleteAgentMovement:
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ClientAvatar.CompleteMovement(OpenSimRoot.Instance.LocalWorld);
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ClientAvatar.SendInitialPosition();
break;
case PacketType.RegionHandshakeReply:
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OpenSimRoot.Instance.LocalWorld.SendLayerData(this);
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break;
case PacketType.AgentWearablesRequest:
ClientAvatar.SendInitialAppearance();
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foreach (SimClient client in OpenSimRoot.Instance.ClientThreads.Values)
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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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OpenSimRoot.Instance.LocalWorld.GetInitialPrims(this);
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break;
case PacketType.ObjectAdd:
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OpenSimRoot.Instance.LocalWorld.AddNewPrim((ObjectAddPacket)Pack, this);
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break;
case PacketType.ObjectLink:
OpenSim.Framework.Console.MainConsole.Instance.WriteLine(Pack.ToString());
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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foreach (Entity ent in OpenSimRoot.Instance.LocalWorld.Entities.Values)
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{
if (ent.localid == shape.ObjectData[i].ObjectLocalID)
{
((OpenSim.world.Primitive)ent).UpdateShape(shape.ObjectData[i]);
}
}
}
break;
case PacketType.MultipleObjectUpdate:
MultipleObjectUpdatePacket multipleupdate = (MultipleObjectUpdatePacket)Pack;
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);
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foreach (Entity ent in OpenSimRoot.Instance.LocalWorld.Entities.Values)
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{
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);
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foreach (Entity ent in OpenSimRoot.Instance.LocalWorld.Entities.Values)
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{
if (ent.localid == multipleupdate.ObjectData[i].ObjectLocalID)
{
ent.rotation = new Axiom.MathLib.Quaternion(rot.W, rot.X, rot.Y, rot.W);
((OpenSim.world.Primitive)ent).UpdateFlag = true;
}
}
}
else if (multipleupdate.ObjectData[i].Type == 13)//scale
{
libsecondlife.LLVector3 scale = new LLVector3(multipleupdate.ObjectData[i].Data, 12);
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foreach (Entity ent in OpenSimRoot.Instance.LocalWorld.Entities.Values)
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{
if (ent.localid == multipleupdate.ObjectData[i].ObjectLocalID)
{
((OpenSim.world.Primitive)ent).Scale = scale;
}
}
}
}
break;
case PacketType.RequestImage:
RequestImagePacket imageRequest = (RequestImagePacket)Pack;
for (int i = 0; i < imageRequest.RequestImage.Length; i++)
{
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OpenSimRoot.Instance.AssetCache.AddTextureRequest(this, imageRequest.RequestImage[i].Image);
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}
break;
case PacketType.TransferRequest:
//Console.WriteLine("OpenSimClient.cs:ProcessInPacket() - Got transfer request");
TransferRequestPacket transfer = (TransferRequestPacket)Pack;
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OpenSimRoot.Instance.AssetCache.AddAssetRequest(this, transfer);
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break;
case PacketType.AgentUpdate:
ClientAvatar.HandleUpdate((AgentUpdatePacket)Pack);
break;
case PacketType.LogoutRequest:
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;
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foreach (SimClient client in OpenSimRoot.Instance.ClientThreads.Values)
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{
client.OutPacket(kill);
}
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OpenSimRoot.Instance.GridServers.GridServer.LogoutSession(this.SessionID, this.AgentID, this.CircuitCode);
lock (OpenSimRoot.Instance.LocalWorld.Entities)
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{
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OpenSimRoot.Instance.LocalWorld.Entities.Remove(this.AgentID);
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}
//need to do other cleaning up here too
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OpenSimRoot.Instance.ClientThreads.Remove(this.CircuitCode); //this.userEP);
OpenSimRoot.Instance.Application.RemoveClientCircuit(this.CircuitCode);
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this.ClientThread.Abort();
break;
case PacketType.ChatFromViewer:
ChatFromViewerPacket inchatpack = (ChatFromViewerPacket)Pack;
if (Helpers.FieldToString(inchatpack.ChatData.Message) == "") break;
System.Text.Encoding _enc = System.Text.Encoding.ASCII;
libsecondlife.Packets.ChatFromSimulatorPacket reply = new ChatFromSimulatorPacket();
reply.ChatData.Audible = 1;
reply.ChatData.Message = inchatpack.ChatData.Message;
reply.ChatData.ChatType = 1;
reply.ChatData.SourceType = 1;
reply.ChatData.Position = this.ClientAvatar.position;
reply.ChatData.FromName = _enc.GetBytes(this.ClientAvatar.firstname + " " + this.ClientAvatar.lastname + "\0");
reply.ChatData.OwnerID = this.AgentID;
reply.ChatData.SourceID = this.AgentID;
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foreach (SimClient client in OpenSimRoot.Instance.ClientThreads.Values)
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{
client.OutPacket(reply);
}
break;
case PacketType.ObjectImage:
ObjectImagePacket imagePack = (ObjectImagePacket)Pack;
for (int i = 0; i < imagePack.ObjectData.Length; i++)
{
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foreach (Entity ent in OpenSimRoot.Instance.LocalWorld.Entities.Values)
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{
if (ent.localid == imagePack.ObjectData[i].ObjectLocalID)
{
((OpenSim.world.Primitive)ent).UpdateTexture(imagePack.ObjectData[i].TextureEntry);
}
}
}
break;
case PacketType.ObjectFlagUpdate:
ObjectFlagUpdatePacket flags = (ObjectFlagUpdatePacket)Pack;
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foreach (Entity ent in OpenSimRoot.Instance.LocalWorld.Entities.Values)
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{
if (ent.localid == flags.AgentData.ObjectLocalID)
{
((OpenSim.world.Primitive)ent).UpdateObjectFlags(flags);
}
}
break;
case PacketType.AssetUploadRequest:
//AssetUploadRequestPacket request = (AssetUploadRequestPacket)Pack;
//Console.WriteLine("upload request "+ request.AssetBlock.TransactionID);
//AssetBase newAsset = OpenSim_Main.sim.assetCache.UploadPacket(request);
//Console.WriteLine(request.ToString());
/*if(newAsset != null)
{
if(!this.UploadedAssets.ContainsKey(newAsset.FullID))
{
this.UploadedAssets.Add(newAsset.FullID, newAsset);
}
}*/
/*AssetUploadCompletePacket response = new AssetUploadCompletePacket();
response.AssetBlock.Type =request.AssetBlock.Type;
response.AssetBlock.Success = false;
response.AssetBlock.UUID = request.AssetBlock.TransactionID;
this.OutPacket(response);*/
break;
case PacketType.AssetUploadComplete:
//AssetUploadCompletePacket complete = (AssetUploadCompletePacket)Pack;
//Console.WriteLine("upload complete "+ complete.AssetBlock.UUID);
/*AssetBase completedAsset = OpenSim_Main.sim.assetCache.TransactionComplete(complete.AssetBlock.UUID);
if(completedAsset != null)
{
if(!this.UploadedAssets.ContainsKey(completedAsset.FullID))
{
this.UploadedAssets.Remove(completedAsset.FullID);
if(this.newAssetFolder != LLUUID.Zero)
{
OpenSim_Main.sim.inventoryManager.AddNewInventoryItem(this, this.newAssetFolder, completedAsset);
}
}
} */
break;
case PacketType.CreateInventoryFolder:
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//Console.WriteLine(Pack.ToString());
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break;
case PacketType.CreateInventoryItem:
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//Console.WriteLine(Pack.ToString());
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break;
case PacketType.FetchInventory:
Console.WriteLine("fetch item packet");
FetchInventoryPacket FetchInventory = (FetchInventoryPacket)Pack;
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OpenSimRoot.Instance.InventoryCache.FetchInventory(this, FetchInventory);
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break;
case PacketType.FetchInventoryDescendents:
FetchInventoryDescendentsPacket Fetch = (FetchInventoryDescendentsPacket)Pack;
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OpenSimRoot.Instance.InventoryCache.FetchInventoryDescendents(this, Fetch);
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break;
}
}
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");
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();
}
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protected virtual void ProcessOutPacket(Packet Pack)
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{
// 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))
{
NeedAck.Add(Pack.Header.Sequence, Pack);
}
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;
}
}
}
}
}
//ServerConsole.MainConsole.Instance.WriteLine("OUT: \n" + Pack.ToString());
byte[] ZeroOutBuffer = new byte[4096];
byte[] sendbuffer;
sendbuffer = Pack.ToBytes();
try
{
if (Pack.Header.Zerocoded)
{
int packetsize = Helpers.ZeroEncode(sendbuffer, sendbuffer.Length, ZeroOutBuffer);
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OpenSimRoot.Instance.Application.SendPacketTo(ZeroOutBuffer, packetsize, SocketFlags.None, CircuitCode);//userEP);
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}
else
{
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OpenSimRoot.Instance.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);
}
}
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public virtual void OutPacket(Packet NewPack)
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{
QueItem item = new QueItem();
item.Packet = NewPack;
item.Incoming = false;
this.PacketQueue.Enqueue(item);
}
public SimClient(EndPoint remoteEP, UseCircuitCodePacket initialcirpack)
{
OpenSim.Framework.Console.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();
}
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protected virtual void ClientLoop()
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{
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);
}
}
}
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protected virtual void InitNewClient()
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{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("OpenSimClient.cs:InitNewClient() - Adding viewer agent to world");
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OpenSimRoot.Instance.LocalWorld.AddViewerAgent(this);
world.Entity tempent = OpenSimRoot.Instance.LocalWorld.Entities[this.AgentID];
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this.ClientAvatar = (world.Avatar)tempent;
}
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protected virtual void AuthUser()
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{
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AuthenticateResponse sessionInfo = OpenSimRoot.Instance.GridServers.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;
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InitNewClient(); //shouldn't be called here as we might be a child agent and not want a full avatar
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this.ClientAvatar.firstname = sessionInfo.LoginInfo.First;
this.ClientAvatar.lastname = sessionInfo.LoginInfo.Last;
// Create Inventory, currently only works for sandbox mode
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if (OpenSimRoot.Instance.Sandbox)
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{
if (sessionInfo.LoginInfo.InventoryFolder != null)
{
this.CreateInventory(sessionInfo.LoginInfo.InventoryFolder);
if (sessionInfo.LoginInfo.BaseFolder != null)
{
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OpenSimRoot.Instance.InventoryCache.CreateNewInventoryFolder(this, sessionInfo.LoginInfo.BaseFolder);
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this.newAssetFolder = sessionInfo.LoginInfo.BaseFolder;
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AssetBase[] inventorySet = OpenSimRoot.Instance.AssetCache.CreateNewInventorySet(this.AgentID);
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if (inventorySet != null)
{
for (int i = 0; i < inventorySet.Length; i++)
{
if (inventorySet[i] != null)
{
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OpenSimRoot.Instance.InventoryCache.AddNewInventoryItem(this, sessionInfo.LoginInfo.BaseFolder, inventorySet[i]);
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}
}
}
}
}
}
ClientLoop();
}
}
private void CreateInventory(LLUUID baseFolder)
{
AgentInventory inventory = new AgentInventory();
inventory.AgentID = this.AgentID;
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OpenSimRoot.Instance.InventoryCache.AddNewAgentsInventory(inventory);
OpenSimRoot.Instance.InventoryCache.CreateNewInventoryFolder(this, baseFolder);
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}
}
}