/* * Copyright (c) Contributors, http://opensimulator.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.Reflection; using libsecondlife; using libsecondlife.Packets; using log4net; namespace OpenSim.Framework { public delegate void ForEachClientDelegate(IClientAPI client); public class ClientManager { private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); private Dictionary<uint, IClientAPI> m_clients; public ClientManager() { m_clients = new Dictionary<uint, IClientAPI>(); } public void ForEachClient(ForEachClientDelegate whatToDo) { // Wasteful, I know IClientAPI[] LocalClients = new IClientAPI[0]; lock (m_clients) { LocalClients = new IClientAPI[m_clients.Count]; m_clients.Values.CopyTo(LocalClients, 0); } for (int i = 0; i < LocalClients.Length; i++) { try { whatToDo(LocalClients[i]); } catch (Exception e) { m_log.Warn("[CLIENT]: Unable to do ForEachClient for one of the clients" + "\n Reason: " + e.ToString()); } } } public void Remove(uint id) { //m_log.InfoFormat("[CLIENT]: Removing client with code {0}, current count {1}", id, m_clients.Count); lock (m_clients) { m_clients.Remove(id); } m_log.InfoFormat("[CLIENT]: Removed client with code {0}, new client count {1}", id, m_clients.Count); } public void Add(uint id, IClientAPI client) { lock (m_clients) { m_clients.Add(id, client); } } /// <summary> /// Pass incoming packet to client. /// </summary> /// <param name="circuitCode">uint identifying the connection/client.</param> /// <param name="packet">object containing the packet.</param> public void InPacket(uint circuitCode, object packet) { IClientAPI client; bool tryGetRet = false; lock (m_clients) tryGetRet = m_clients.TryGetValue(circuitCode, out client); if (tryGetRet) { client.InPacket(packet); } } public void CloseAllAgents(uint circuitCode) { IClientAPI client; bool tryGetRet = false; lock (m_clients) tryGetRet = m_clients.TryGetValue(circuitCode, out client); if (tryGetRet) { CloseAllCircuits(client.AgentId); } } public void CloseAllCircuits(LLUUID agentId) { uint[] circuits = GetAllCircuits(agentId); // We're using a for loop here so changes to the circuits don't cause it to completely fail. for (int i = 0; i < circuits.Length; i++) { IClientAPI client; try { bool tryGetRet = false; lock (m_clients) tryGetRet = m_clients.TryGetValue(circuits[i], out client); if (tryGetRet) { Remove(client.CircuitCode); client.Close(false); } } catch (Exception e) { m_log.Error(string.Format("[CLIENT]: Unable to shutdown circuit for: {0}\n Reason: {1}", agentId, e)); } } } // [Obsolete("Using Obsolete to drive development is invalid. Obsolete presumes that something new has already been created to replace this.")] public uint[] GetAllCircuits(LLUUID agentId) { List<uint> circuits = new List<uint>(); // Wasteful, I know IClientAPI[] LocalClients = new IClientAPI[0]; lock (m_clients) { LocalClients = new IClientAPI[m_clients.Count]; m_clients.Values.CopyTo(LocalClients, 0); } for (int i = 0; i < LocalClients.Length; i++) { if (LocalClients[i].AgentId == agentId) { circuits.Add(LocalClients[i].CircuitCode); } } return circuits.ToArray(); } public List<uint> GetAllCircuitCodes() { List<uint> circuits; lock (m_clients) { circuits = new List<uint>(m_clients.Keys); } return circuits; } public void ViewerEffectHandler(IClientAPI sender, List<ViewerEffectEventHandlerArg> args) { ViewerEffectPacket packet = (ViewerEffectPacket)PacketPool.Instance.GetPacket(PacketType.ViewerEffect); // TODO: don't create new blocks if recycling an old packet List<ViewerEffectPacket.EffectBlock> effectBlock = new List<ViewerEffectPacket.EffectBlock>(); for (int i = 0; i < args.Count; i++) { ViewerEffectPacket.EffectBlock effect = new ViewerEffectPacket.EffectBlock(); effect.AgentID = args[i].AgentID; effect.Color = args[i].Color; effect.Duration = args[i].Duration; effect.ID = args[i].ID; effect.Type = args[i].Type; effect.TypeData = args[i].TypeData; effectBlock.Add(effect); } packet.Effect = effectBlock.ToArray(); IClientAPI[] LocalClients; lock (m_clients) { LocalClients = new IClientAPI[m_clients.Count]; m_clients.Values.CopyTo(LocalClients, 0); } for (int i = 0; i < LocalClients.Length; i++) { if (LocalClients[i].AgentId != sender.AgentId) { packet.AgentData.AgentID = LocalClients[i].AgentId; packet.AgentData.SessionID = LocalClients[i].SessionId; packet.Header.Reliable = false; packet.Header.Zerocoded = true; LocalClients[i].OutPacket(packet, ThrottleOutPacketType.Task); } } } public bool TryGetClient(uint circuitId, out IClientAPI user) { lock (m_clients) { return m_clients.TryGetValue(circuitId, out user); } } } }