Another stab at cmickeyb's patch for script GC.

Moved the Close() for the appdomain-hosted parts into a new destructor
on ScriptInstance.
This commit is contained in:
Melanie
2009-08-07 20:43:23 +01:00
parent 2148f84e1e
commit 4ee8d8a813
11 changed files with 69 additions and 68 deletions

View File

@@ -119,14 +119,15 @@ 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.Zero;
lease.InitialLeaseTime = TimeSpan.FromMinutes(1.0);
lease.RenewOnCallTime = TimeSpan.FromSeconds(10.0);
lease.SponsorshipTimeout = TimeSpan.FromMinutes(1.0);
}
return lease;
}

View File

@@ -159,16 +159,15 @@ 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.Zero;
lease.InitialLeaseTime = TimeSpan.FromMinutes(1.0);
lease.RenewOnCallTime = TimeSpan.FromSeconds(10.0);
lease.SponsorshipTimeout = TimeSpan.FromMinutes(1.0);
}
return lease;
}

View File

@@ -35,7 +35,7 @@ using log4net;
namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
{
public class Executor : MarshalByRefObject
public class Executor
{
// private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
@@ -89,26 +89,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
initEventFlags();
}
/// <summary>
/// Make sure our object does not timeout when in AppDomain. (Called by ILease base class)
/// </summary>
/// <returns></returns>
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);

View File

@@ -32,7 +32,7 @@ using LSLInteger = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLInteger;
namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
{
public partial class ScriptBaseClass : MarshalByRefObject
public partial class ScriptBaseClass
{
// LSL CONSTANTS
public static readonly LSLInteger TRUE = new LSLInteger(1);

View File

@@ -26,6 +26,7 @@
*/
using System;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Lifetime;
using System.Security.Permissions;
using System.Threading;
@@ -34,26 +35,23 @@ 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<string, MethodInfo> inits = new Dictionary<string, MethodInfo>();
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.Zero;
// lease.InitialLeaseTime = TimeSpan.FromMinutes(1);
// lease.SponsorshipTimeout = TimeSpan.FromMinutes(2);
// lease.RenewOnCallTime = TimeSpan.FromSeconds(2);
lease.InitialLeaseTime = TimeSpan.FromMinutes(1.0);
lease.RenewOnCallTime = TimeSpan.FromSeconds(10.0);
lease.SponsorshipTimeout = TimeSpan.FromMinutes(1.0);
}
return lease;
}
@@ -66,7 +64,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
}
#endif
public ScriptBaseClass()
{
m_Executor = new Executor(this);
@@ -81,6 +78,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
inits[type] = mi;
}
}
m_sponser = new ScriptSponsor();
}
private Executor m_Executor = null;
@@ -112,6 +111,9 @@ 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];
@@ -122,6 +124,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
m_InitialValues = GetVars();
}
public void Close()
{
m_sponser.Close();
}
public Dictionary<string, object> GetVars()
{
Dictionary<string, object> vars = new Dictionary<string, object>();

View File

@@ -32,15 +32,19 @@ using System.Text;
namespace OpenSim.Region.ScriptEngine.Shared.Api.Runtime
{
[Serializable]
public class ScriptSponsor : MarshalByRefObject, ISponsor
{
// In theory: I execute, therefore I am.
// If GC collects this class then sponsorship will expire
private bool m_closed = false;
public TimeSpan Renewal(ILease lease)
{
return TimeSpan.FromMinutes(2);
if (!m_closed)
return lease.InitialLeaseTime;
return TimeSpan.FromTicks(0);
}
public void Close() { m_closed = true; }
#if DEBUG
// For tracing GC while debugging
public static bool GCDummy = false;

View File

@@ -96,7 +96,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
private string m_CurrentState = String.Empty;
private UUID m_RegionID = UUID.Zero;
//private ISponsor m_ScriptSponsor;
private ScriptSponsor m_ScriptSponsor;
private Dictionary<KeyValuePair<int, int>, KeyValuePair<int, int>>
m_LineMap;
@@ -261,12 +261,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
Path.GetFileNameWithoutExtension(assembly),
"SecondLife.Script");
// 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;
m_ScriptSponsor = new ScriptSponsor();
ILease lease = (ILease)RemotingServices.GetLifetimeService(m_Script as ScriptBaseClass);
lease.Register(m_ScriptSponsor);
}
catch (Exception)
{
@@ -368,6 +365,14 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
}
}
~ScriptInstance()
{
m_Script.Close();
m_ScriptSponsor.Close();
ILease lease = (ILease)RemotingServices.GetLifetimeService(m_Script as ScriptBaseClass);
lease.Unregister(m_ScriptSponsor);
}
public void Init()
{
if (!m_startOnInit) return;
@@ -884,6 +889,8 @@ 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)