From dbb2edf1a67442b5e41da3cd8010574114bba7c2 Mon Sep 17 00:00:00 2001 From: Diva Canto Date: Tue, 9 Mar 2010 17:09:44 -0800 Subject: Fixed caching of user accounts. --- .../LocalUserAccountServiceConnector.cs | 15 ++++---- .../RemoteUserAccountServiceConnector.cs | 15 ++++---- .../UserAccounts/UserAccountCache.cs | 44 +++++++++++++--------- 3 files changed, 42 insertions(+), 32 deletions(-) (limited to 'OpenSim/Region') diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/UserAccounts/LocalUserAccountServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/UserAccounts/LocalUserAccountServiceConnector.cs index 07fee79..ce0ca40 100644 --- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/UserAccounts/LocalUserAccountServiceConnector.cs +++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/UserAccounts/LocalUserAccountServiceConnector.cs @@ -142,26 +142,27 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.UserAccounts public UserAccount GetUserAccount(UUID scopeID, UUID userID) { - UserAccount account = m_Cache.Get(userID); - if (account != null) + bool inCache = false; + UserAccount account = m_Cache.Get(userID, out inCache); + if (inCache) return account; account = m_UserService.GetUserAccount(scopeID, userID); - if (account != null) - m_Cache.Cache(account); + m_Cache.Cache(userID, account); return account; } public UserAccount GetUserAccount(UUID scopeID, string firstName, string lastName) { - UserAccount account = m_Cache.Get(firstName + " " + lastName); - if (account != null) + bool inCache = false; + UserAccount account = m_Cache.Get(firstName + " " + lastName, out inCache); + if (inCache) return account; account = m_UserService.GetUserAccount(scopeID, firstName, lastName); if (account != null) - m_Cache.Cache(account); + m_Cache.Cache(account.PrincipalID, account); return account; } diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/UserAccounts/RemoteUserAccountServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/UserAccounts/RemoteUserAccountServiceConnector.cs index 1140692..488dbd5 100644 --- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/UserAccounts/RemoteUserAccountServiceConnector.cs +++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/UserAccounts/RemoteUserAccountServiceConnector.cs @@ -119,26 +119,27 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.UserAccounts public override UserAccount GetUserAccount(UUID scopeID, UUID userID) { - UserAccount account = m_Cache.Get(userID); - if (account != null) + bool inCache = false; + UserAccount account = m_Cache.Get(userID, out inCache); + if (inCache) return account; account = base.GetUserAccount(scopeID, userID); - if (account != null) - m_Cache.Cache(account); + m_Cache.Cache(userID, account); return account; } public override UserAccount GetUserAccount(UUID scopeID, string firstName, string lastName) { - UserAccount account = m_Cache.Get(firstName + " " + lastName); - if (account != null) + bool inCache = false; + UserAccount account = m_Cache.Get(firstName + " " + lastName, out inCache); + if (inCache) return account; account = base.GetUserAccount(scopeID, firstName, lastName); if (account != null) - m_Cache.Cache(account); + m_Cache.Cache(account.PrincipalID, account); return account; } diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/UserAccounts/UserAccountCache.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/UserAccounts/UserAccountCache.cs index e430fc7..a355661 100644 --- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/UserAccounts/UserAccountCache.cs +++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/UserAccounts/UserAccountCache.cs @@ -36,50 +36,58 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.UserAccounts { public class UserAccountCache { - //private static readonly ILog m_log = - // LogManager.GetLogger( - // MethodBase.GetCurrentMethod().DeclaringType); - - private ICnmCache m_UUIDCache; - private Dictionary m_NameCache; + private static readonly ILog m_log = + LogManager.GetLogger( + MethodBase.GetCurrentMethod().DeclaringType); + private ExpiringCache m_UUIDCache; + private ExpiringCache m_NameCache; public UserAccountCache() { // Warning: the size values are a bit fuzzy. What matters // most for this cache is the count value (128 entries). - m_UUIDCache = CnmSynchronizedCache.Synchronized(new CnmMemoryCache( - 128, 128*512, TimeSpan.FromMinutes(30.0))); - m_NameCache = new Dictionary(); // this one is unbound + m_UUIDCache = new ExpiringCache(); + m_NameCache = new ExpiringCache(); // this one is unbound } - public void Cache(UserAccount account) + public void Cache(UUID userID, UserAccount account) { - m_UUIDCache.Set(account.PrincipalID, account, 512); - m_NameCache[account.Name] = account.PrincipalID; + // Cache even null accounts + m_UUIDCache.AddOrUpdate(userID, account, DateTime.Now + TimeSpan.FromMinutes(2.0d)); + if (account != null) + m_NameCache.AddOrUpdate(account.Name, account.PrincipalID, DateTime.Now + TimeSpan.FromMinutes(2.0d)); - //m_log.DebugFormat("[USER CACHE]: cached user {0} {1}", account.FirstName, account.LastName); + m_log.DebugFormat("[USER CACHE]: cached user {0}", userID); } - public UserAccount Get(UUID userID) + public UserAccount Get(UUID userID, out bool inCache) { UserAccount account = null; + inCache = false; if (m_UUIDCache.TryGetValue(userID, out account)) { //m_log.DebugFormat("[USER CACHE]: Account {0} {1} found in cache", account.FirstName, account.LastName); + inCache = true; return account; } return null; } - public UserAccount Get(string name) + public UserAccount Get(string name, out bool inCache) { - if (!m_NameCache.ContainsKey(name)) + inCache = false; + if (!m_NameCache.Contains(name)) return null; UserAccount account = null; - if (m_UUIDCache.TryGetValue(m_NameCache[name], out account)) - return account; + UUID uuid = UUID.Zero; + if (m_NameCache.TryGetValue(name, out uuid)) + if (m_UUIDCache.TryGetValue(uuid, out account)) + { + inCache = true; + return account; + } return null; } -- cgit v1.1