From ec790b8876b55f120a20cebc254c38b2f9309d17 Mon Sep 17 00:00:00 2001 From: MW Date: Tue, 17 Apr 2007 19:49:58 +0000 Subject: [PATCH] --- OpenSim.RegionServer/SimComms.cs | 437 ------------------------------- 1 file changed, 437 deletions(-) delete mode 100644 OpenSim.RegionServer/SimComms.cs diff --git a/OpenSim.RegionServer/SimComms.cs b/OpenSim.RegionServer/SimComms.cs deleted file mode 100644 index a2b936bd90..0000000000 --- a/OpenSim.RegionServer/SimComms.cs +++ /dev/null @@ -1,437 +0,0 @@ -/* -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 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 ``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 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.Assets; -using OpenSim.Framework.Inventory; -using OpenSim.Framework.Utilities; -using OpenSim.world; -using OpenSim.Assets; - -namespace OpenSim -{ - public delegate bool PacketMethod(SimComms remoteSim, Packet packet); - - /// - /// Handles sim<->sim communications - /// Constructor takes a single Packet and authenticates everything - /// - public class SimComms - { - public LLUUID SimUUID; - public bool m_child; - public uint CircuitCode; - private UseCircuitCodePacket cirpack; - public Thread ClientThread; - public EndPoint simEP; - private BlockingQueue PacketQueue; - private Dictionary PendingAcks = new Dictionary(); - private Dictionary NeedAck = new Dictionary(); - 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 bool debug = false; - private World m_world; - private Dictionary m_simThreads; - private IGridServer m_gridServer; - private IUserServer m_userServer = null; - private OpenSimNetworkHandler m_application; - //private bool m_sandboxMode; // I can think of no reason why we'd ever have this set in sandbox mode - - protected static Dictionary PacketHandlers = new Dictionary(); //Global/static handlers for all sims - - protected Dictionary m_packetHandlers = new Dictionary(); //local handlers for this instance - - public IUserServer UserServer - { - set - { - this.m_userServer = value; - } - } - - public SimComms(EndPoint remoteEP, UseCircuitCodePacket initialcirpack, World world, Dictionary simThreads, IGridServer gridServer, OpenSimNetworkHandler application) - { - m_world = world; - m_clientThreads = clientThreads; - m_gridServer = gridServer; - m_application = application; - - OpenSim.Framework.Console.MainConsole.Instance.WriteLine("SimComms.cs - Started up new thread to handle incoming request"); - cirpack = initialcirpack; - simEP = remoteEP; - - PacketQueue = new BlockingQueue(); - - 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 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 (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) - { - } - } - } - - 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)) - { - 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; - } - } - } - } - } - - 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("SimComms.cs:ProcessOutPacket() - WARNING: Socket exception occurred on connection " + simEP.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("SimComms.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); - } - } - } - - } -}