/* 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; using System.Net; using System.Net.Sockets; using System.IO; using System.Threading; using System.Timers; using OpenSim.Framework.Interfaces; using OpenSim.Framework.Types; using OpenSim.Framework.Inventory; using OpenSim.Framework.Utilities; using OpenSim.world; using OpenSim.Assets; namespace OpenSim { public delegate bool PacketMethod(SimClient simClient, Packet packet); /// <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; public uint CircuitCode; public world.Avatar ClientAvatar; private UseCircuitCodePacket cirpack; public Thread ClientThread; public EndPoint userEP; public LLVector3 startpos; 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; private LLUUID newAssetFolder = LLUUID.Zero; 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; 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 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() { 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(); } 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; } 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; OutPacket(ack_it); } /* if (Pack.Header.Reliable) { lock (PendingAcks) { uint sequence = (uint)Pack.Header.Sequence; if (!PendingAcks.ContainsKey(sequence)) { PendingAcks[sequence] = sequence; } } }*/ } protected virtual void ProcessInPacket(Packet Pack) { ack_pack(Pack); if (debug) { if (Pack.Type != PacketType.AgentUpdate) { Console.WriteLine(Pack.Type.ToString()); } } if (this.ProcessPacketMethod(Pack)) { //there is a handler registered that handled this packet type return; } else { System.Text.Encoding _enc = System.Text.Encoding.ASCII; switch (Pack.Type) { case PacketType.CompleteAgentMovement: if (this.m_child) this.UpgradeClient(); ClientAvatar.CompleteMovement(m_world); ClientAvatar.SendInitialPosition(); break; case PacketType.RegionHandshakeReply: m_world.SendLayerData(this); break; case PacketType.AgentWearablesRequest: ClientAvatar.SendInitialAppearance(); foreach (SimClient client in m_clientThreads.Values) { if (client.AgentID != this.AgentID) { ObjectUpdatePacket objupdate = client.ClientAvatar.CreateUpdatePacket(); this.OutPacket(objupdate); client.ClientAvatar.SendAppearanceToOtherAgent(this); } } 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; } } 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); } } } } 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++) { foreach (Entity ent in m_world.Entities.Values) { if (ent.localid == shape.ObjectData[i].ObjectLocalID) { ((OpenSim.world.Primitive)ent).UpdateShape(shape.ObjectData[i]); } } } 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); } 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) { if (ent.localid == imagePack.ObjectData[i].ObjectLocalID) { ((OpenSim.world.Primitive)ent).UpdateTexture(imagePack.ObjectData[i].TextureEntry); } } } break; case PacketType.ObjectFlagUpdate: ObjectFlagUpdatePacket flags = (ObjectFlagUpdatePacket)Pack; foreach (Entity ent in m_world.Entities.Values) { if (ent.localid == flags.AgentData.ObjectLocalID) { ((OpenSim.world.Primitive)ent).UpdateObjectFlags(flags); } } break; case PacketType.AssetUploadRequest: AssetUploadRequestPacket request = (AssetUploadRequestPacket)Pack; this.UploadAssets.HandleUploadPacket(request, request.AssetBlock.TransactionID.Combine(this.SecureSessionID)); break; case PacketType.RequestXfer: //Console.WriteLine(Pack.ToString()); break; 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()); break; case PacketType.CreateInventoryItem: //Console.WriteLine(Pack.ToString()); CreateInventoryItemPacket createItem = (CreateInventoryItemPacket)Pack; if (createItem.InventoryBlock.TransactionID != LLUUID.Zero) { this.UploadAssets.CreateInventoryItem(createItem); } else { // Console.Write(Pack.ToString()); 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) { AssetBase asset = m_assetCache.GetAsset(update.InventoryData[i].TransactionID.Combine(this.SecureSessionID)); if (asset != null) { // Console.WriteLine("updating inventory item, found asset" + asset.FullID.ToStringHyphenated() + " already in cache"); m_inventoryCache.UpdateInventoryItemAsset(this, update.InventoryData[i].ItemID, asset); } else { asset = this.UploadAssets.AddUploadToAssetCache(update.InventoryData[i].TransactionID); if (asset != null) { //Console.WriteLine("updating inventory item, adding asset" + asset.FullID.ToStringHyphenated() + " to cache"); m_inventoryCache.UpdateInventoryItemAsset(this, update.InventoryData[i].ItemID, asset); } else { //Console.WriteLine("trying to update inventory item, but asset is null"); } } } else { m_inventoryCache.UpdateInventoryItemDetails(this, update.InventoryData[i].ItemID, update.InventoryData[i]); ; } } break; case PacketType.ViewerEffect: ViewerEffectPacket viewer = (ViewerEffectPacket)Pack; foreach (SimClient client in m_clientThreads.Values) { if (client.AgentID != this.AgentID) { viewer.AgentData.AgentID = client.AgentID; viewer.AgentData.SessionID = client.SessionID; client.OutPacket(viewer); } } 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) { replytask.InventoryData.TaskID = ent.uuid; replytask.InventoryData.Serial = 0; replytask.InventoryData.Filename = new byte[0]; foundent = true; } } if (foundent) { this.OutPacket(replytask); } break; case PacketType.UpdateTaskInventory: // 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; 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(); } } } 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) { if (ent.localid == incomingselect.ObjectData[i].ObjectLocalID) { ((OpenSim.world.Primitive)ent).GetProperites(this); break; } } } 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(); } 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. // !?!?!? } } 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); } else { m_application.SendPacketTo(sendbuffer, sendbuffer.Length, SocketFlags.None, CircuitCode); //userEP); } } catch (Exception) { OpenSim.Framework.Console.MainConsole.Instance.WriteLine("OpenSimClient.cs:ProcessOutPacket() - WARNING: Socket exception occurred on connection " + userEP.ToString() + " - killing thread"); ClientThread.Abort(); } } public virtual void InPacket(Packet NewPack) { // 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"); m_world.AddViewerAgent(this); world.Entity tempent = m_world.Entities[this.AgentID]; this.ClientAvatar = (world.Avatar)tempent; } protected virtual void AuthUser() { AuthenticateResponse sessionInfo = m_gridServer.AuthenticateSession(cirpack.CircuitCode.SessionID, cirpack.CircuitCode.ID, cirpack.CircuitCode.Code); 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) { AgentInventory inventory = null; if (sessionInfo.LoginInfo.InventoryFolder != null) { inventory = this.CreateInventory(sessionInfo.LoginInfo.InventoryFolder); if (sessionInfo.LoginInfo.BaseFolder != null) { if (!inventory.HasFolder(sessionInfo.LoginInfo.BaseFolder)) { m_inventoryCache.CreateNewInventoryFolder(this, sessionInfo.LoginInfo.BaseFolder); } this.newAssetFolder = sessionInfo.LoginInfo.BaseFolder; AssetBase[] inventorySet = m_assetCache.CreateNewInventorySet(this.AgentID); if (inventorySet != null) { for (int i = 0; i < inventorySet.Length; i++) { if (inventorySet[i] != null) { m_inventoryCache.AddNewInventoryItem(this, sessionInfo.LoginInfo.BaseFolder, inventorySet[i]); } } } } } } ClientLoop(); } } #region Packet handlers 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) { m_world.Entities.Remove(this.AgentID); }*/ m_world.RemoveViewerAgent(this); //need to do other cleaning up here too m_clientThreads.Remove(this.CircuitCode); m_application.RemoveClientCircuit(this.CircuitCode); this.ClientThread.Abort(); return true; } protected bool AgentTextureCached(SimClient simclient, Packet packet) { // Console.WriteLine(packet.ToString()); 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; } #endregion private AgentInventory CreateInventory(LLUUID baseFolder) { 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; } 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]; m_assetCache.AddAsset(asset); m_inventoryCache.AddNewInventoryItem(this, packet.InventoryBlock.FolderID, asset); } } } }