From f8d8366bfa6f048107d22b4b73af22803810be81 Mon Sep 17 00:00:00 2001 From: Melanie Date: Fri, 7 Aug 2009 03:04:06 +0100 Subject: Revert the XEngine memleak patch, it causes premature GC. This matches behavior seen with an earlier attempt to do this, apparently the sponsor mechanism does't work in Mono --- OpenSim/Region/ScriptEngine/Interfaces/IScript.cs | 2 -- .../Shared/Api/Implementation/LSL_Api.cs | 5 ++--- .../Shared/Api/Implementation/OSSL_Api.cs | 7 +++--- .../ScriptEngine/Shared/Api/Runtime/Executor.cs | 22 ++++++++++++++++++- .../Shared/Api/Runtime/LSL_Constants.cs | 2 +- .../ScriptEngine/Shared/Api/Runtime/ScriptBase.cs | 25 ++++++++-------------- .../Shared/Api/Runtime/ScriptSponsor.cs | 12 ++++------- .../ScriptEngine/Shared/Instance/ScriptInstance.cs | 25 ++++++---------------- OpenSim/Region/ScriptEngine/XEngine/XEngine.cs | 14 ++++++------ 9 files changed, 55 insertions(+), 59 deletions(-) (limited to 'OpenSim/Region/ScriptEngine') diff --git a/OpenSim/Region/ScriptEngine/Interfaces/IScript.cs b/OpenSim/Region/ScriptEngine/Interfaces/IScript.cs index 726dabc..b9618d1 100644 --- a/OpenSim/Region/ScriptEngine/Interfaces/IScript.cs +++ b/OpenSim/Region/ScriptEngine/Interfaces/IScript.cs @@ -41,7 +41,5 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase Dictionary GetVars(); void SetVars(Dictionary vars); void ResetVars(); - - void Close(); } } diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs index 5f9b09b..bc36fda 100644 --- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs +++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs @@ -119,15 +119,14 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api AsyncCommands = new AsyncCommandManager(ScriptEngine); } + // Object never expires public override Object InitializeLifetimeService() { ILease lease = (ILease)base.InitializeLifetimeService(); if (lease.CurrentState == LeaseState.Initial) { - lease.InitialLeaseTime = TimeSpan.FromMinutes(1.0); - lease.RenewOnCallTime = TimeSpan.FromSeconds(10.0); - lease.SponsorshipTimeout = TimeSpan.FromMinutes(1.0); + lease.InitialLeaseTime = TimeSpan.Zero; } return lease; } diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs index b447cfb..7c878b8 100644 --- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs +++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs @@ -159,15 +159,16 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api } } + // + // Never expire this object + // public override Object InitializeLifetimeService() { ILease lease = (ILease)base.InitializeLifetimeService(); if (lease.CurrentState == LeaseState.Initial) { - lease.InitialLeaseTime = TimeSpan.FromMinutes(1.0); - lease.RenewOnCallTime = TimeSpan.FromSeconds(10.0); - lease.SponsorshipTimeout = TimeSpan.FromMinutes(1.0); + lease.InitialLeaseTime = TimeSpan.Zero; } return lease; } diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/Executor.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/Executor.cs index 7f67599..2501752 100644 --- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/Executor.cs +++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/Executor.cs @@ -35,7 +35,7 @@ using log4net; namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase { - public class Executor + public class Executor : MarshalByRefObject { // private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); @@ -89,6 +89,26 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase initEventFlags(); } + /// + /// Make sure our object does not timeout when in AppDomain. (Called by ILease base class) + /// + /// + public override Object InitializeLifetimeService() + { + //m_log.Debug("Executor: InitializeLifetimeService()"); + // return null; + ILease lease = (ILease)base.InitializeLifetimeService(); + + if (lease.CurrentState == LeaseState.Initial) + { + lease.InitialLeaseTime = TimeSpan.Zero; // TimeSpan.FromMinutes(1); + // lease.SponsorshipTimeout = TimeSpan.FromMinutes(2); + // lease.RenewOnCallTime = TimeSpan.FromSeconds(2); + } + return lease; + } + + public scriptEvents GetStateEventFlags(string state) { //m_log.Debug("Get event flags for " + state); diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs index 753ca55..9068634 100644 --- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs +++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs @@ -32,7 +32,7 @@ using LSLInteger = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLInteger; namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase { - public partial class ScriptBaseClass + public partial class ScriptBaseClass : MarshalByRefObject { // LSL CONSTANTS public static readonly LSLInteger TRUE = new LSLInteger(1); diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/ScriptBase.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/ScriptBase.cs index d119a77..964fe4c 100644 --- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/ScriptBase.cs +++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/ScriptBase.cs @@ -26,7 +26,6 @@ */ using System; -using System.Runtime.Remoting; using System.Runtime.Remoting.Lifetime; using System.Security.Permissions; using System.Threading; @@ -35,23 +34,26 @@ using System.Collections; using System.Collections.Generic; using OpenSim.Region.ScriptEngine.Interfaces; using OpenSim.Region.ScriptEngine.Shared; -using OpenSim.Region.ScriptEngine.Shared.Api.Runtime; namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase { public partial class ScriptBaseClass : MarshalByRefObject, IScript { private Dictionary inits = new Dictionary(); - private ScriptSponsor m_sponser; + // Object expires if we don't keep it alive + // sponsor will be added on object load + [SecurityPermissionAttribute(SecurityAction.Demand, + Flags = SecurityPermissionFlag.Infrastructure)] public override Object InitializeLifetimeService() { ILease lease = (ILease)base.InitializeLifetimeService(); if (lease.CurrentState == LeaseState.Initial) { - lease.InitialLeaseTime = TimeSpan.FromMinutes(1.0); - lease.RenewOnCallTime = TimeSpan.FromSeconds(10.0); - lease.SponsorshipTimeout = TimeSpan.FromMinutes(1.0); + lease.InitialLeaseTime = TimeSpan.Zero; +// lease.InitialLeaseTime = TimeSpan.FromMinutes(1); +// lease.SponsorshipTimeout = TimeSpan.FromMinutes(2); +// lease.RenewOnCallTime = TimeSpan.FromSeconds(2); } return lease; } @@ -64,6 +66,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase } #endif + public ScriptBaseClass() { m_Executor = new Executor(this); @@ -78,8 +81,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase inits[type] = mi; } } - - m_sponser = new ScriptSponsor(); } private Executor m_Executor = null; @@ -111,9 +112,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase if (!inits.ContainsKey(api)) return; - ILease lease = (ILease)RemotingServices.GetLifetimeService(data as MarshalByRefObject); - lease.Register(m_sponser); - MethodInfo mi = inits[api]; Object[] args = new Object[1]; @@ -124,11 +122,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase m_InitialValues = GetVars(); } - public void Close() - { - m_sponser.Close(); - } - public Dictionary GetVars() { Dictionary vars = new Dictionary(); diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/ScriptSponsor.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/ScriptSponsor.cs index 977ac30..a2da14e 100644 --- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/ScriptSponsor.cs +++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/ScriptSponsor.cs @@ -32,19 +32,15 @@ using System.Text; namespace OpenSim.Region.ScriptEngine.Shared.Api.Runtime { + [Serializable] public class ScriptSponsor : MarshalByRefObject, ISponsor { - private bool m_closed = false; - + // In theory: I execute, therefore I am. + // If GC collects this class then sponsorship will expire public TimeSpan Renewal(ILease lease) { - if (!m_closed) - return lease.InitialLeaseTime; - return TimeSpan.FromTicks(0); + return TimeSpan.FromMinutes(2); } - - public void Close() { m_closed = true; } - #if DEBUG // For tracing GC while debugging public static bool GCDummy = false; diff --git a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs index 6d62249..8168300 100644 --- a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs +++ b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs @@ -96,8 +96,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance private string m_CurrentState = String.Empty; private UUID m_RegionID = UUID.Zero; - private ScriptSponsor m_ScriptSponsor; - private bool m_destroyed = false; + //private ISponsor m_ScriptSponsor; private Dictionary, KeyValuePair> m_LineMap; @@ -262,9 +261,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance Path.GetFileNameWithoutExtension(assembly), "SecondLife.Script"); - m_ScriptSponsor = new ScriptSponsor(); - ILease lease = (ILease)RemotingServices.GetLifetimeService(m_Script as ScriptBaseClass); - lease.Register(m_ScriptSponsor); + // Add a sponsor to the script +// ISponsor scriptSponsor = new ScriptSponsor(); +// ILease lease = (ILease)RemotingServices.GetLifetimeService(m_Script as MarshalByRefObject); +// lease.Register(scriptSponsor); + //m_ScriptSponsor = scriptSponsor; + } catch (Exception) { @@ -447,13 +449,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance { ReleaseControls(); AsyncCommandManager.RemoveScript(m_Engine, m_LocalID, m_ItemID); - - m_Script.Close(); - m_ScriptSponsor.Close(); - ILease lease = (ILease)RemotingServices.GetLifetimeService(m_Script as ScriptBaseClass); - lease.Unregister(m_ScriptSponsor); - - m_destroyed = true; } public void RemoveState() @@ -889,8 +884,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance public void SaveState(string assembly) { - - // If we're currently in an event, just tell it to save upon return // if (m_InEvent) @@ -899,10 +892,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance return; } - // Data may not be available as the script has already been destroyed - if (m_destroyed == true) - return; - PluginData = AsyncCommandManager.GetSerializationData(m_Engine, m_ItemID); string xml = ScriptSerializer.Serialize(this); diff --git a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs index ff75e2f..c7673c7 100644 --- a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs +++ b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs @@ -272,10 +272,6 @@ namespace OpenSim.Region.ScriptEngine.XEngine instance.ClearQueue(); instance.Stop(0); - // Release events, timer, etc - // - instance.DestroyScriptInstance(); - // Unload scripts and app domains // Must be done explicitly because they have infinite // lifetime @@ -286,6 +282,10 @@ namespace OpenSim.Region.ScriptEngine.XEngine m_DomainScripts.Remove(instance.AppDomain); UnloadAppDomain(instance.AppDomain); } + + // Release events, timer, etc + // + instance.DestroyScriptInstance(); } m_Scripts.Clear(); m_PrimObjects.Clear(); @@ -802,9 +802,6 @@ namespace OpenSim.Region.ScriptEngine.XEngine } } - instance.RemoveState(); - instance.DestroyScriptInstance(); - m_DomainScripts[instance.AppDomain].Remove(instance.ItemID); if (m_DomainScripts[instance.AppDomain].Count == 0) { @@ -812,6 +809,9 @@ namespace OpenSim.Region.ScriptEngine.XEngine UnloadAppDomain(instance.AppDomain); } + instance.RemoveState(); + instance.DestroyScriptInstance(); + instance = null; ObjectRemoved handlerObjectRemoved = OnObjectRemoved; -- cgit v1.1