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/*
* 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.Reflection;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Region.ScriptEngine.Common;
using OpenSim.Region.ScriptEngine.Common.ScriptEngineBase;
namespace OpenSim.Region.ScriptEngine.DotNetEngine
{
public class ScriptManager : Common.ScriptEngineBase.ScriptManager
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public ScriptManager(Common.ScriptEngineBase.ScriptEngine scriptEngine)
: base(scriptEngine)
{
base.m_scriptEngine = scriptEngine;
}
private Compiler.LSL.Compiler LSLCompiler;
public override void Initialize()
{
// Create our compiler
LSLCompiler = new Compiler.LSL.Compiler(m_scriptEngine);
}
// KEEP TRACK OF SCRIPTS <int id, whatever script>
//internal Dictionary<uint, Dictionary<UUID, LSL_BaseClass>> Scripts = new Dictionary<uint, Dictionary<UUID, LSL_BaseClass>>();
// LOAD SCRIPT
// UNLOAD SCRIPT
// PROVIDE SCRIPT WITH ITS INTERFACE TO OpenSim
public override void _StartScript(uint localID, UUID itemID, string Script, int startParam, bool postOnRez)
{
m_log.DebugFormat(
"[{0}]: ScriptManager StartScript: localID: {1}, itemID: {2}",
m_scriptEngine.ScriptEngineName, localID, itemID);
//IScriptHost root = host.GetRoot();
// We will initialize and start the script.
// It will be up to the script itself to hook up the correct events.
string CompiledScriptFile = String.Empty;
SceneObjectPart m_host = World.GetSceneObjectPart(localID);
if (null == m_host)
{
m_log.ErrorFormat(
"[{0}]: Could not find scene object part corresponding to localID {1} to start script",
m_scriptEngine.ScriptEngineName, localID);
return;
}
// Xantor 20080525: I need assetID here to see if we already compiled this one previously
UUID assetID = UUID.Zero;
TaskInventoryItem taskInventoryItem = new TaskInventoryItem();
if (m_host.TaskInventory.TryGetValue(itemID, out taskInventoryItem))
assetID = taskInventoryItem.AssetID;
try
{
// Xantor 20080525 see if we already compiled this script this session, stop incessant recompiling on
// scriptreset, spawning of objects with embedded scripts etc.
if (scriptList.TryGetValue(assetID, out CompiledScriptFile))
{
m_log.InfoFormat("[SCRIPT]: Found existing compile of assetID {0}: {1}", assetID, CompiledScriptFile);
}
else
{
// Compile (We assume LSL)
CompiledScriptFile = LSLCompiler.PerformScriptCompile(Script);
// Xantor 20080525 Save compiled scriptfile for later use
m_log.InfoFormat("[SCRIPT]: Compiled assetID {0}: {1}", assetID, CompiledScriptFile);
scriptList.Add(assetID, CompiledScriptFile);
}
//#if DEBUG
//long before;
//before = GC.GetTotalMemory(true); // This force a garbage collect that freezes some windows plateforms
//#endif
IScript CompiledScript;
CompiledScript = m_scriptEngine.m_AppDomainManager.LoadScript(CompiledScriptFile);
//#if DEBUG
//m_scriptEngine.Log.DebugFormat("[" + m_scriptEngine.ScriptEngineName + "]: Script " + itemID + " occupies {0} bytes", GC.GetTotalMemory(true) - before);
//#endif
CompiledScript.Source = Script;
CompiledScript.StartParam = startParam;
// Add it to our script memstruct
m_scriptEngine.m_ScriptManager.SetScript(localID, itemID, CompiledScript);
// We need to give (untrusted) assembly a private instance of BuiltIns
// this private copy will contain Read-Only FullitemID so that it can bring that on to the server whenever needed.
BuilIn_Commands LSLB = new BuilIn_Commands(m_scriptEngine, m_host, localID, itemID);
// Start the script - giving it BuiltIns
CompiledScript.Start(LSLB);
// Fire the first start-event
int eventFlags = m_scriptEngine.m_ScriptManager.GetStateEventFlags(localID, itemID);
m_host.SetScriptEvents(itemID, eventFlags);
m_scriptEngine.m_EventQueueManager.AddToScriptQueue(localID, itemID, "state_entry", EventQueueManager.llDetectNull, new object[] { });
if (postOnRez)
{
m_scriptEngine.m_EventQueueManager.AddToScriptQueue(localID, itemID, "on_rez", EventQueueManager.llDetectNull, new object[] { new LSL_Types.LSLInteger(startParam) });
}
}
catch (Exception e) // LEGIT: User Scripting
{
//m_scriptEngine.Log.Error("[ScriptEngine]: Error compiling script: " + e.ToString());
try
{
// DISPLAY ERROR INWORLD
string text = "Error compiling script:\r\n" + e.Message.ToString();
if (text.Length > 1500)
text = text.Substring(0, 1499); // 0-1499 is 1500 characters
World.SimChat(Utils.StringToBytes(text), ChatTypeEnum.DebugChannel, 2147483647,
m_host.AbsolutePosition, m_host.Name, m_host.UUID, false);
}
catch (Exception e2) // LEGIT: User Scripting
{
m_scriptEngine.Log.Error("[" + m_scriptEngine.ScriptEngineName + "]: Error displaying error in-world: " + e2.ToString());
m_scriptEngine.Log.Error("[" + m_scriptEngine.ScriptEngineName + "]: " +
"Errormessage: Error compiling script:\r\n" + e.Message.ToString());
}
}
}
public override void _StopScript(uint localID, UUID itemID)
{
// Stop script
#if DEBUG
m_scriptEngine.Log.Debug("[" + m_scriptEngine.ScriptEngineName + "]: Stop script localID: " + localID + " LLUID: " + itemID.ToString());
#endif
// Stop long command on script
m_scriptEngine.m_ASYNCLSLCommandManager.RemoveScript(localID, itemID);
IScript LSLBC = GetScript(localID, itemID);
if (LSLBC == null)
return;
// TEMP: First serialize it
//GetSerializedScript(localID, itemID);
try
{
// Get AppDomain
AppDomain ad = LSLBC.Exec.GetAppDomain();
// Tell script not to accept new requests
m_scriptEngine.m_ScriptManager.GetScript(localID, itemID).Exec.StopScript();
// Remove from internal structure
m_scriptEngine.m_ScriptManager.RemoveScript(localID, itemID);
// Tell AppDomain that we have stopped script
m_scriptEngine.m_AppDomainManager.StopScript(ad);
}
catch (Exception e) // LEGIT: User Scripting
{
m_scriptEngine.Log.Error("[" + m_scriptEngine.ScriptEngineName + "]: Exception stopping script localID: " + localID + " LLUID: " + itemID.ToString() +
": " + e.ToString());
}
}
}
}
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