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Globally throttle script channel 0 comms to 5/s with 10s burst to prevent lag

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griefing attacks
This commit is contained in:
Melanie
2011-05-14 17:24:59 +02:00
parent d773d89145
commit 344815ab79
1 changed files with 27 additions and 0 deletions
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27
OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
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@@ -33,6 +33,7 @@ using System.Runtime.Remoting.Lifetime;
using System.Text;
using System.Threading;
using System.Text.RegularExpressions;
using System.Timers;
using Nini.Config;
using log4net;
using OpenMetaverse;
@@ -66,6 +67,7 @@ using LSL_Rotation = OpenSim.Region.ScriptEngine.Shared.LSL_Types.Quaternion;
using LSL_String = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLString;
using LSL_Vector = OpenSim.Region.ScriptEngine.Shared.LSL_Types.Vector3;
using System.Reflection;
using Timer = System.Timers.Timer;
namespace OpenSim.Region.ScriptEngine.Shared.Api
{
@@ -105,8 +107,16 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
protected Dictionary<UUID, UserInfoCacheEntry> m_userInfoCache =
new Dictionary<UUID, UserInfoCacheEntry>();
protected Timer m_ShoutSayTimer;
protected int m_SayShoutCount = 0;
public void Initialize(IScriptEngine ScriptEngine, SceneObjectPart host, uint localID, UUID itemID)
{
m_ShoutSayTimer = new Timer(1000);
m_ShoutSayTimer.Elapsed += SayShoutTimerElapsed;
m_ShoutSayTimer.AutoReset = true;
m_ShoutSayTimer.Start();
m_ScriptEngine = ScriptEngine;
m_host = host;
m_localID = localID;
@@ -883,6 +893,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
{
m_host.AddScriptLPS(1);
if (channelID == 0)
m_SayShoutCount++;
if (m_SayShoutCount >= 11)
ScriptSleep(2000);
if (m_scriptConsoleChannelEnabled && (channelID == m_scriptConsoleChannel))
{
Console.WriteLine(text);
@@ -905,6 +921,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
{
m_host.AddScriptLPS(1);
if (channelID == 0)
m_SayShoutCount++;
if (m_SayShoutCount >= 11)
ScriptSleep(2000);
if (text.Length > 1023)
text = text.Substring(0, 1023);
@@ -10972,6 +10994,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
return rq.ToString();
}
private void SayShoutTimerElapsed(Object sender, ElapsedEventArgs args)
{
m_SayShoutCount = 0;
}
}
public class NotecardCache