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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 OpenSimulator 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 OpenSim.Framework;
using OpenMetaverse;
using BclExtras.Collections;
using ReaderWriterLockImpl = OpenMetaverse.ReaderWriterLockSlim;
namespace OpenSim.Region.ClientStack.LindenUDP
{
public sealed class UDPClientCollection
{
#region IComparers
private sealed class UUIDComparer : IComparer<UUID>
{
public int Compare(UUID x, UUID y)
{
return x.Guid.CompareTo(y.Guid);
}
}
private sealed class IPEndPointComparer : IComparer<IPEndPoint>
{
public int Compare(IPEndPoint x, IPEndPoint y)
{
int result = x.Address.Address.CompareTo(y.Address.Address);
if (result == 0) result = x.Port.CompareTo(y.Port);
return result;
}
}
#endregion IComparers
private ImmutableMap<UUID, LLUDPClient> m_dict1;
private ImmutableMap<IPEndPoint, LLUDPClient> m_dict2;
private LLUDPClient[] m_array;
public UDPClientCollection()
{
m_dict1 = new ImmutableMap<UUID, LLUDPClient>(new UUIDComparer());
m_dict2 = new ImmutableMap<IPEndPoint, LLUDPClient>(new IPEndPointComparer());
m_array = new LLUDPClient[0];
}
public void Add(UUID key1, IPEndPoint key2, LLUDPClient value)
{
m_dict1 = m_dict1.Add(key1, value);
m_dict2 = m_dict2.Add(key2, value);
// Copy the array by hand
LLUDPClient[] oldArray = m_array;
int oldLength = oldArray.Length;
LLUDPClient[] newArray = new LLUDPClient[oldLength + 1];
for (int i = 0; i < oldLength; i++)
newArray[i] = oldArray[i];
newArray[oldLength] = value;
m_array = newArray;
}
public void Remove(UUID key1, IPEndPoint key2)
{
m_dict1 = m_dict1.Delete(key1);
m_dict2 = m_dict2.Delete(key2);
LLUDPClient[] oldArray = m_array;
int oldLength = oldArray.Length;
// Copy the array by hand
LLUDPClient[] newArray = new LLUDPClient[oldLength - 1];
int j = 0;
for (int i = 0; i < oldLength; i++)
{
if (oldArray[i].AgentID != key1)
newArray[j++] = oldArray[i];
}
m_array = newArray;
}
public void Clear()
{
m_dict1 = new ImmutableMap<UUID, LLUDPClient>(new UUIDComparer());
m_dict2 = new ImmutableMap<IPEndPoint, LLUDPClient>(new IPEndPointComparer());
m_array = new LLUDPClient[0];
}
public int Count
{
get { return m_array.Length; }
}
public bool ContainsKey(UUID key)
{
return m_dict1.ContainsKey(key);
}
public bool ContainsKey(IPEndPoint key)
{
return m_dict2.ContainsKey(key);
}
public bool TryGetValue(UUID key, out LLUDPClient value)
{
return m_dict1.TryGetValue(key, out value);
}
public bool TryGetValue(IPEndPoint key, out LLUDPClient value)
{
return m_dict2.TryGetValue(key, out value);
}
public void ForEach(Action<LLUDPClient> action)
{
Parallel.ForEach<LLUDPClient>(m_array, action);
}
}
}
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