96 lines
3.7 KiB
C#
96 lines
3.7 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Reflection;
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using System.Collections.Generic;
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using OpenSim.Framework;
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using OpenSim.Services.Interfaces;
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using OpenMetaverse;
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using log4net;
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namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.UserAccounts
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{
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public class UserAccountCache
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{
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private const double CACHE_EXPIRATION_SECONDS = 120000.0; // 33 hours!
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private static readonly ILog m_log =
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LogManager.GetLogger(
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MethodBase.GetCurrentMethod().DeclaringType);
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private ExpiringCache<UUID, UserAccount> m_UUIDCache;
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private ExpiringCache<string, UUID> m_NameCache;
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public UserAccountCache()
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{
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m_UUIDCache = new ExpiringCache<UUID, UserAccount>();
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m_NameCache = new ExpiringCache<string, UUID>();
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}
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public void Cache(UUID userID, UserAccount account)
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{
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// Cache even null accounts
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m_UUIDCache.AddOrUpdate(userID, account, CACHE_EXPIRATION_SECONDS);
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if (account != null)
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m_NameCache.AddOrUpdate(account.Name, account.PrincipalID, CACHE_EXPIRATION_SECONDS);
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m_log.DebugFormat("[USER CACHE]: cached user {0}", userID);
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}
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public UserAccount Get(UUID userID, out bool inCache)
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{
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UserAccount account = null;
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inCache = false;
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if (m_UUIDCache.TryGetValue(userID, out account))
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{
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//m_log.DebugFormat("[USER CACHE]: Account {0} {1} found in cache", account.FirstName, account.LastName);
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inCache = true;
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return account;
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}
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return null;
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}
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public UserAccount Get(string name, out bool inCache)
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{
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inCache = false;
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if (!m_NameCache.Contains(name))
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return null;
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UserAccount account = null;
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UUID uuid = UUID.Zero;
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if (m_NameCache.TryGetValue(name, out uuid))
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if (m_UUIDCache.TryGetValue(uuid, out account))
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{
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inCache = true;
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return account;
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}
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return null;
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}
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}
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}
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