OpenSimMirror/OpenSim/Region/ScriptEngine/DotNetEngine/ScriptEngine.cs

429 lines
14 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.Framework;
using OpenSim.Region.CoreModules.Framework.EventQueue;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Region.ScriptEngine.Interfaces;
using OpenMetaverse;
using OpenMetaverse.StructuredData;
using OpenSim.Region.ScriptEngine.Shared;
using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
namespace OpenSim.Region.ScriptEngine.DotNetEngine
{
[Serializable]
public class ScriptEngine : IRegionModule, IScriptEngine, 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 IScriptModule ScriptModule
{
get { return this; }
}
public event ScriptRemoved OnScriptRemoved;
public event ObjectRemoved OnObjectRemoved;
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", 0);
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 bool PostScriptEvent(UUID itemID, string name, Object[] p)
{
return PostScriptEvent(itemID, new EventParams(name, p, new DetectParams[0]));
}
public bool PostObjectEvent(UUID itemID, string name, Object[] p)
{
SceneObjectPart part = m_Scene.GetSceneObjectPart(itemID);
if (part == null)
return false;
return PostObjectEvent(part.LocalId, new EventParams(name, p, new DetectParams[0]));
}
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);
}
public void SetMinEventDelay(UUID itemID, double delay)
{
// TODO in DotNet, done in XEngine
throw new NotImplementedException();
}
#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)
{
m_log.Error("[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(localID);
if (part != null)
part.SetScriptEvents(itemID, eventFlags);
m_EventManager.state_entry(localID);
}
catch (AppDomainUnloadedException)
{
m_log.Error("[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;
IEventQueue eq = World.RequestModuleInterface<IEventQueue>();
if (eq == null)
{
controllingClient.SendScriptRunningReply(objectID, itemID,
id.Running);
}
else
{
eq.Enqueue(EventQueueHelper.ScriptRunningReplyEvent(objectID, itemID, id.Running, true),
controllingClient.AgentId);
}
}
public IScriptApi GetApi(UUID itemID, string name)
{
return m_ScriptManager.GetApi(itemID, name);
}
public IScriptWorkItem QueueEventHandler(Object o)
{
return null;
}
public string GetAssemblyName(UUID itemID)
{
return "";
}
public string GetXMLState(UUID itemID)
{
return "";
}
}
}