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/*
* 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 OpenMetaverse;
using OpenMetaverse.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(UUID 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(UUID 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)
{
// 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);
}
ViewerEffectPacket.EffectBlock[] effectBlockArray = 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)
{
ViewerEffectPacket packet = (ViewerEffectPacket)PacketPool.Instance.GetPacket(PacketType.ViewerEffect);
packet.Effect = effectBlockArray;
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);
}
}
}
}
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