294 lines
11 KiB
C#
294 lines
11 KiB
C#
/*
|
|
* Copyright (c) Contributors, http://www.openmetaverse.org/
|
|
* See CONTRIBUTORS.TXT for a full list of copyright holders.
|
|
*
|
|
* 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 OpenSim Project 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 THE DEVELOPERS ``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 THE CONTRIBUTORS 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.Generic;
|
|
using System.Net;
|
|
using System.Text;
|
|
using System.Threading;
|
|
using System.Timers;
|
|
using libsecondlife;
|
|
using libsecondlife.Packets;
|
|
using OpenSim.Assets;
|
|
using OpenSim.Framework;
|
|
using OpenSim.Framework.Console;
|
|
using OpenSim.Framework.Interfaces;
|
|
using OpenSim.Framework.Inventory;
|
|
using OpenSim.Framework.Types;
|
|
using OpenSim.Framework.Utilities;
|
|
using OpenSim.Region.Caches;
|
|
using Timer=System.Timers.Timer;
|
|
|
|
namespace OpenSim.Region.ClientStack
|
|
{
|
|
public delegate bool PacketMethod(ClientView simClient, Packet packet);
|
|
|
|
/// <summary>
|
|
/// Handles new client connections
|
|
/// Constructor takes a single Packet and authenticates everything
|
|
/// </summary>
|
|
public partial class ClientView : ClientViewBase, IClientAPI
|
|
{
|
|
public static TerrainManager TerrainManager;
|
|
|
|
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
|
|
|
|
public LLUUID AgentID;
|
|
public LLUUID SessionID;
|
|
public LLUUID SecureSessionID = LLUUID.Zero;
|
|
public string firstName;
|
|
public string lastName;
|
|
public bool m_child = false;
|
|
private UseCircuitCodePacket cirpack;
|
|
public Thread ClientThread;
|
|
public LLVector3 startpos;
|
|
|
|
private AgentAssetUpload UploadAssets;
|
|
private LLUUID newAssetFolder = LLUUID.Zero;
|
|
private bool debug = false;
|
|
protected IWorld m_world;
|
|
private Dictionary<uint, ClientView> m_clientThreads;
|
|
private AssetCache m_assetCache;
|
|
private InventoryCache m_inventoryCache;
|
|
private int cachedtextureserial = 0;
|
|
protected AuthenticateSessionsBase m_authenticateSessionsHandler;
|
|
private Encoding enc = Encoding.ASCII;
|
|
// Dead client detection vars
|
|
private Timer clientPingTimer;
|
|
private int packetsReceived = 0;
|
|
private int probesWithNoIngressPackets = 0;
|
|
private int lastPacketsReceived = 0;
|
|
|
|
public ClientView(EndPoint remoteEP, UseCircuitCodePacket initialcirpack, Dictionary<uint, ClientView> clientThreads, IWorld world, AssetCache assetCache, PacketServer packServer, InventoryCache inventoryCache, AuthenticateSessionsBase authenSessions )
|
|
{
|
|
m_world = world;
|
|
m_clientThreads = clientThreads;
|
|
m_assetCache = assetCache;
|
|
|
|
m_networkServer = packServer;
|
|
m_inventoryCache = inventoryCache;
|
|
m_authenticateSessionsHandler = authenSessions;
|
|
|
|
MainLog.Instance.Verbose( "OpenSimClient.cs - Started up new client thread to handle incoming request");
|
|
cirpack = initialcirpack;
|
|
userEP = remoteEP;
|
|
|
|
this.startpos = m_authenticateSessionsHandler.GetPosition(initialcirpack.CircuitCode.Code);
|
|
|
|
PacketQueue = new BlockingQueue<QueItem>();
|
|
|
|
this.UploadAssets = new AgentAssetUpload(this, m_assetCache, m_inventoryCache);
|
|
AckTimer = new Timer(500);
|
|
AckTimer.Elapsed += new ElapsedEventHandler(AckTimer_Elapsed);
|
|
AckTimer.Start();
|
|
|
|
this.RegisterLocalPacketHandlers();
|
|
|
|
ClientThread = new Thread(new ThreadStart(AuthUser));
|
|
ClientThread.IsBackground = true;
|
|
ClientThread.Start();
|
|
}
|
|
|
|
# region Client Methods
|
|
|
|
public void KillClient()
|
|
{
|
|
clientPingTimer.Stop();
|
|
this.m_inventoryCache.ClientLeaving(this.AgentID, null);
|
|
m_world.RemoveClient(this.AgentId);
|
|
|
|
m_clientThreads.Remove(this.CircuitCode);
|
|
m_networkServer.RemoveClientCircuit(this.CircuitCode);
|
|
this.ClientThread.Abort();
|
|
}
|
|
#endregion
|
|
|
|
# region Packet Handling
|
|
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;
|
|
}
|
|
|
|
protected virtual bool ProcessPacketMethod(Packet packet)
|
|
{
|
|
bool result = false;
|
|
bool found = false;
|
|
PacketMethod method;
|
|
if (m_packetHandlers.TryGetValue(packet.Type, out method))
|
|
{
|
|
//there is a local handler for this packet type
|
|
result = method(this, packet);
|
|
}
|
|
else
|
|
{
|
|
//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);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
protected virtual void ClientLoop()
|
|
{
|
|
MainLog.Instance.Verbose( "OpenSimClient.cs:ClientLoop() - Entered loop");
|
|
while (true)
|
|
{
|
|
QueItem nextPacket = PacketQueue.Dequeue();
|
|
if (nextPacket.Incoming)
|
|
{
|
|
//is a incoming packet
|
|
if (nextPacket.Packet.Type != PacketType.AgentUpdate) {
|
|
packetsReceived++;
|
|
}
|
|
ProcessInPacket(nextPacket.Packet);
|
|
}
|
|
else
|
|
{
|
|
//is a out going packet
|
|
ProcessOutPacket(nextPacket.Packet);
|
|
}
|
|
}
|
|
}
|
|
# endregion
|
|
|
|
protected void CheckClientConnectivity(object sender, ElapsedEventArgs e)
|
|
{
|
|
if (packetsReceived == lastPacketsReceived) {
|
|
probesWithNoIngressPackets++;
|
|
if (probesWithNoIngressPackets > 30) {
|
|
this.KillClient();
|
|
} else {
|
|
// this will normally trigger at least one packet (ping response)
|
|
SendStartPingCheck(0);
|
|
}
|
|
} else {
|
|
// Something received in the meantime - we can reset the counters
|
|
probesWithNoIngressPackets = 0;
|
|
lastPacketsReceived = packetsReceived;
|
|
}
|
|
}
|
|
|
|
# region Setup
|
|
|
|
protected virtual void InitNewClient()
|
|
{
|
|
clientPingTimer = new Timer(1000);
|
|
clientPingTimer.Elapsed += new ElapsedEventHandler(CheckClientConnectivity);
|
|
clientPingTimer.Enabled = true;
|
|
|
|
MainLog.Instance.Verbose( "OpenSimClient.cs:InitNewClient() - Adding viewer agent to world");
|
|
this.m_world.AddNewClient(this, false);
|
|
}
|
|
|
|
protected virtual void AuthUser()
|
|
{
|
|
// AuthenticateResponse sessionInfo = m_gridServer.AuthenticateSession(cirpack.CircuitCode.SessionID, cirpack.CircuitCode.ID, cirpack.CircuitCode.Code);
|
|
AuthenticateResponse sessionInfo = this.m_authenticateSessionsHandler.AuthenticateSession(cirpack.CircuitCode.SessionID, cirpack.CircuitCode.ID, cirpack.CircuitCode.Code);
|
|
if (!sessionInfo.Authorised)
|
|
{
|
|
//session/circuit not authorised
|
|
MainLog.Instance.Notice("OpenSimClient.cs:AuthUser() - New user request denied to " + userEP.ToString());
|
|
ClientThread.Abort();
|
|
}
|
|
else
|
|
{
|
|
MainLog.Instance.Notice("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;
|
|
this.firstName = sessionInfo.LoginInfo.First;
|
|
this.lastName = sessionInfo.LoginInfo.Last;
|
|
|
|
if (sessionInfo.LoginInfo.SecureSession != LLUUID.Zero)
|
|
{
|
|
this.SecureSessionID = sessionInfo.LoginInfo.SecureSession;
|
|
}
|
|
InitNewClient();
|
|
|
|
ClientLoop();
|
|
}
|
|
}
|
|
# endregion
|
|
|
|
|
|
protected override void KillThread()
|
|
{
|
|
this.ClientThread.Abort();
|
|
}
|
|
|
|
#region Inventory Creation
|
|
private void SetupInventory(AuthenticateResponse sessionInfo)
|
|
{
|
|
|
|
}
|
|
private AgentInventory CreateInventory(LLUUID baseFolder)
|
|
{
|
|
AgentInventory inventory = null;
|
|
|
|
return inventory;
|
|
}
|
|
|
|
private void CreateInventoryItem(CreateInventoryItemPacket packet)
|
|
{
|
|
|
|
}
|
|
#endregion
|
|
|
|
}
|
|
}
|