Files
opensim/OpenSim/Region/ScriptEngine/DotNetEngine/ScriptEngine.cs
Melanie Thielker cffd73c59f Reintroduces the discovery mechanism to use llRequestSimulatorData("", 128)
Causes the dataserver event to return "OpenSim" when running on OpenSim.
Requires ThreatLevel to be "High" or above to function.
2008-10-03 06:15:23 +00:00

382 lines
12 KiB
C#

/*
* 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 OpenSim 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.Reflection;
using log4net;
using Nini.Config;
using OpenSim.Region.Interfaces;
using OpenSim.Framework;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Region.ScriptEngine.Interfaces;
using OpenMetaverse;
using OpenSim.Region.ScriptEngine.Shared;
using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
namespace OpenSim.Region.ScriptEngine.DotNetEngine
{
[Serializable]
public class ScriptEngine : IRegionModule, IEventReceiver, IScriptModule
{
private static readonly ILog m_log =
LogManager.GetLogger(
MethodBase.GetCurrentMethod().DeclaringType);
public static List<ScriptEngine> ScriptEngines =
new List<ScriptEngine>();
private Scene m_Scene;
public Scene World
{
get { return m_Scene; }
}
// Handles and queues incoming events from OpenSim
public EventManager m_EventManager;
// Executes events, handles script threads
public EventQueueManager m_EventQueueManager;
// Load, unload and execute scripts
public ScriptManager m_ScriptManager;
// Handles loading/unloading of scripts into AppDomains
public AppDomainManager m_AppDomainManager;
// Thread that does different kinds of maintenance,
// for example refreshing config and killing scripts
// that has been running too long
public static MaintenanceThread m_MaintenanceThread;
public IConfigSource ConfigSource;
public IConfig ScriptConfigSource;
private bool m_enabled = false;
public IConfig Config
{
get { return ScriptConfigSource; }
}
// How many seconds between re-reading config-file.
// 0 = never. ScriptEngine will try to adjust to new config changes.
public int RefreshConfigFileSeconds {
get { return (int)(RefreshConfigFilens / 10000000); }
set { RefreshConfigFilens = value * 10000000; }
}
public long RefreshConfigFilens;
public string ScriptEngineName
{
get { return "ScriptEngine.DotNetEngine"; }
}
public ILog Log
{
get { return m_log; }
}
public ScriptEngine()
{
// For logging, just need any instance, doesn't matter
Common.mySE = this;
lock (ScriptEngines)
{
// Keep a list of ScriptEngines for shared threads
// to process all instances
ScriptEngines.Add(this);
}
}
public void Initialise(Scene Sceneworld, IConfigSource config)
{
m_log.Info("[" + ScriptEngineName + "]: ScriptEngine initializing");
ConfigSource = config;
m_Scene = Sceneworld;
// Make sure we have config
if (ConfigSource.Configs[ScriptEngineName] == null)
ConfigSource.AddConfig(ScriptEngineName);
ScriptConfigSource = ConfigSource.Configs[ScriptEngineName];
m_enabled = ScriptConfigSource.GetBoolean("Enabled", true);
if (!m_enabled)
return;
// Create all objects we'll be using
m_EventQueueManager = new EventQueueManager(this);
m_EventManager = new EventManager(this, true);
// We need to start it
m_ScriptManager = new ScriptManager(this);
m_ScriptManager.Setup();
m_AppDomainManager = new AppDomainManager(this);
if (m_MaintenanceThread == null)
m_MaintenanceThread = new MaintenanceThread();
m_log.Info("[" + ScriptEngineName + "]: Reading configuration "+
"from config section \"" + ScriptEngineName + "\"");
ReadConfig();
m_Scene.StackModuleInterface<IScriptModule>(this);
}
public void PostInitialise()
{
if (!m_enabled)
return;
m_EventManager.HookUpEvents();
m_Scene.EventManager.OnScriptReset += OnScriptReset;
m_Scene.EventManager.OnGetScriptRunning += OnGetScriptRunning;
m_Scene.EventManager.OnStartScript += OnStartScript;
m_Scene.EventManager.OnStopScript += OnStopScript;
m_ScriptManager.Start();
}
public void Shutdown()
{
// We are shutting down
lock (ScriptEngines)
{
ScriptEngines.Remove(this);
}
}
public void ReadConfig()
{
RefreshConfigFileSeconds = ScriptConfigSource.GetInt("RefreshConfig", 30);
if (m_EventQueueManager != null) m_EventQueueManager.ReadConfig();
if (m_EventManager != null) m_EventManager.ReadConfig();
if (m_ScriptManager != null) m_ScriptManager.ReadConfig();
if (m_AppDomainManager != null) m_AppDomainManager.ReadConfig();
if (m_MaintenanceThread != null) m_MaintenanceThread.ReadConfig();
}
#region IRegionModule
public void Close()
{
}
public string Name
{
get { return "Common." + ScriptEngineName; }
}
public bool IsSharedModule
{
get { return false; }
}
public bool PostObjectEvent(uint localID, EventParams p)
{
return m_EventQueueManager.AddToObjectQueue(localID, p.EventName,
p.DetectParams, p.Params);
}
public bool PostScriptEvent(UUID itemID, EventParams p)
{
uint localID = m_ScriptManager.GetLocalID(itemID);
return m_EventQueueManager.AddToScriptQueue(localID, itemID,
p.EventName, p.DetectParams, p.Params);
}
public DetectParams GetDetectParams(UUID itemID, int number)
{
uint localID = m_ScriptManager.GetLocalID(itemID);
if (localID == 0)
return null;
InstanceData id = m_ScriptManager.GetScript(localID, itemID);
if (id == null)
return null;
DetectParams[] det = m_ScriptManager.GetDetectParams(id);
if (number < 0 || number >= det.Length)
return null;
return det[number];
}
public int GetStartParameter(UUID itemID)
{
return m_ScriptManager.GetStartParameter(itemID);
}
#endregion
public void SetState(UUID itemID, string state)
{
uint localID = m_ScriptManager.GetLocalID(itemID);
if (localID == 0)
return;
InstanceData id = m_ScriptManager.GetScript(localID, itemID);
if (id == null)
return;
string currentState = id.State;
if (currentState != state)
{
try
{
m_EventManager.state_exit(localID);
}
catch (AppDomainUnloadedException)
{
Console.WriteLine("[SCRIPT]: state change called when "+
"script was unloaded. Nothing to worry about, "+
"but noting the occurance");
}
id.State = state;
try
{
int eventFlags = m_ScriptManager.GetStateEventFlags(localID,
itemID);
SceneObjectPart part = m_Scene.GetSceneObjectPart(itemID);
if (part != null)
part.SetScriptEvents(itemID, eventFlags);
m_EventManager.state_entry(localID);
}
catch (AppDomainUnloadedException)
{
Console.WriteLine("[SCRIPT]: state change called when "+
"script was unloaded. Nothing to worry about, but "+
"noting the occurance");
}
}
}
public bool GetScriptState(UUID itemID)
{
uint localID = m_ScriptManager.GetLocalID(itemID);
if (localID == 0)
return false;
InstanceData id = m_ScriptManager.GetScript(localID, itemID);
if (id == null)
return false;
return id.Running;
}
public void SetScriptState(UUID itemID, bool state)
{
uint localID = m_ScriptManager.GetLocalID(itemID);
if (localID == 0)
return;
InstanceData id = m_ScriptManager.GetScript(localID, itemID);
if (id == null)
return;
if (!id.Disabled)
id.Running = state;
}
public void ApiResetScript(UUID itemID)
{
uint localID = m_ScriptManager.GetLocalID(itemID);
if (localID == 0)
return;
m_ScriptManager.ResetScript(localID, itemID);
}
public void ResetScript(UUID itemID)
{
uint localID = m_ScriptManager.GetLocalID(itemID);
if (localID == 0)
return;
m_ScriptManager.ResetScript(localID, itemID);
}
public void OnScriptReset(uint localID, UUID itemID)
{
ResetScript(itemID);
}
public void OnStartScript(uint localID, UUID itemID)
{
InstanceData id = m_ScriptManager.GetScript(localID, itemID);
if (id == null)
return;
if (!id.Disabled)
id.Running = true;
}
public void OnStopScript(uint localID, UUID itemID)
{
InstanceData id = m_ScriptManager.GetScript(localID, itemID);
if (id == null)
return;
id.Running = false;
}
public void OnGetScriptRunning(IClientAPI controllingClient,
UUID objectID, UUID itemID)
{
uint localID = m_ScriptManager.GetLocalID(itemID);
if (localID == 0)
return;
InstanceData id = m_ScriptManager.GetScript(localID, itemID);
if (id == null)
return;
controllingClient.SendScriptRunningReply(objectID, itemID,
id.Running);
}
public IScriptApi GetApi(UUID itemID, string name)
{
return m_ScriptManager.GetApi(itemID, name);
}
}
}