opensim-development – Rev 1
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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 OpenSimulator 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.Linq;
using System.Reflection;
using System.Timers;
using System.Threading;
using System.Collections.Generic;
using log4net;
using Nini.Config;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Framework.Console;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using Timer=System.Timers.Timer;
using Mono.Addins;
namespace OpenSim.Region.CoreModules.World.Region
{
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "RestartModule")]
public class RestartModule : INonSharedRegionModule, IRestartModule
{
private static readonly ILog m_log =
LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
protected Scene m_Scene;
protected Timer m_CountdownTimer = null;
protected DateTime m_RestartBegin;
protected List<int> m_Alerts;
protected string m_Message;
protected UUID m_Initiator;
protected bool m_Notice = false;
protected IDialogModule m_DialogModule = null;
public void Initialise(IConfigSource config)
{
}
public void AddRegion(Scene scene)
{
m_Scene = scene;
scene.RegisterModuleInterface<IRestartModule>(this);
MainConsole.Instance.Commands.AddCommand("Regions",
false, "region restart bluebox",
"region restart bluebox <message> <delta seconds>+",
"Schedule a region restart",
"Schedule a region restart after a given number of seconds. If one delta is given then the region is restarted in delta seconds time. A time to restart is sent to users in the region as a dismissable bluebox notice. If multiple deltas are given then a notice is sent when we reach each delta.",
HandleRegionRestart);
MainConsole.Instance.Commands.AddCommand("Regions",
false, "region restart notice",
"region restart notice <message> <delta seconds>+",
"Schedule a region restart",
"Schedule a region restart after a given number of seconds. If one delta is given then the region is restarted in delta seconds time. A time to restart is sent to users in the region as a transient notice. If multiple deltas are given then a notice is sent when we reach each delta.",
HandleRegionRestart);
MainConsole.Instance.Commands.AddCommand("Regions",
false, "region restart abort",
"region restart abort [<message>]",
"Abort a region restart", HandleRegionRestart);
}
public void RegionLoaded(Scene scene)
{
m_DialogModule = m_Scene.RequestModuleInterface<IDialogModule>();
}
public void RemoveRegion(Scene scene)
{
}
public void Close()
{
}
public string Name
{
get { return "RestartModule"; }
}
public Type ReplaceableInterface
{
get { return typeof(IRestartModule); }
}
public TimeSpan TimeUntilRestart
{
get { return DateTime.Now - m_RestartBegin; }
}
public void ScheduleRestart(UUID initiator, string message, int[] alerts, bool notice)
{
if (m_CountdownTimer != null)
return;
if (alerts == null)
{
m_Scene.RestartNow();
return;
}
m_Message = message;
m_Initiator = initiator;
m_Notice = notice;
m_Alerts = new List<int>(alerts);
m_Alerts.Sort();
m_Alerts.Reverse();
if (m_Alerts[0] == 0)
{
m_Scene.RestartNow();
return;
}
int nextInterval = DoOneNotice();
SetTimer(nextInterval);
}
public int DoOneNotice()
{
if (m_Alerts.Count == 0 || m_Alerts[0] == 0)
{
m_Scene.RestartNow();
return 0;
}
int nextAlert = 0;
while (m_Alerts.Count > 1)
{
if (m_Alerts[1] == m_Alerts[0])
{
m_Alerts.RemoveAt(0);
continue;
}
nextAlert = m_Alerts[1];
break;
}
int currentAlert = m_Alerts[0];
m_Alerts.RemoveAt(0);
int minutes = currentAlert / 60;
string currentAlertString = String.Empty;
if (minutes > 0)
{
if (minutes == 1)
currentAlertString += "1 minute";
else
currentAlertString += String.Format("{0} minutes", minutes);
if ((currentAlert % 60) != 0)
currentAlertString += " and ";
}
if ((currentAlert % 60) != 0)
{
int seconds = currentAlert % 60;
if (seconds == 1)
currentAlertString += "1 second";
else
currentAlertString += String.Format("{0} seconds", seconds);
}
string msg = String.Format(m_Message, currentAlertString);
if (m_DialogModule != null && msg != String.Empty)
{
if (m_Notice)
m_DialogModule.SendGeneralAlert(msg);
else
m_DialogModule.SendNotificationToUsersInRegion(m_Initiator, "System", msg);
}
return currentAlert - nextAlert;
}
public void SetTimer(int intervalSeconds)
{
if (intervalSeconds > 0)
{
m_CountdownTimer = new Timer();
m_CountdownTimer.AutoReset = false;
m_CountdownTimer.Interval = intervalSeconds * 1000;
m_CountdownTimer.Elapsed += OnTimer;
m_CountdownTimer.Start();
}
else if (m_CountdownTimer != null)
{
m_CountdownTimer.Stop();
m_CountdownTimer = null;
}
else
{
m_log.WarnFormat(
"[RESTART MODULE]: Tried to set restart timer to {0} in {1}, which is not a valid interval",
intervalSeconds, m_Scene.Name);
}
}
private void OnTimer(object source, ElapsedEventArgs e)
{
SetTimer(DoOneNotice());
}
public void AbortRestart(string message)
{
if (m_CountdownTimer != null)
{
m_CountdownTimer.Stop();
m_CountdownTimer = null;
if (m_DialogModule != null && message != String.Empty)
m_DialogModule.SendGeneralAlert(message);
}
}
private void HandleRegionRestart(string module, string[] args)
{
if (!(MainConsole.Instance.ConsoleScene is Scene))
return;
if (MainConsole.Instance.ConsoleScene != m_Scene)
return;
if (args.Length < 5)
{
if (args.Length > 2)
{
if (args[2] == "abort")
{
string msg = String.Empty;
if (args.Length > 3)
msg = args[3];
AbortRestart(msg);
MainConsole.Instance.Output("Region restart aborted");
return;
}
}
MainConsole.Instance.Output("Error: restart region <mode> <name> <delta seconds>+");
return;
}
bool notice = false;
if (args[2] == "notice")
notice = true;
List<int> times = new List<int>();
for (int i = 4 ; i < args.Length ; i++)
times.Add(Convert.ToInt32(args[i]));
MainConsole.Instance.OutputFormat(
"Region {0} scheduled for restart in {1} seconds", m_Scene.Name, times.Sum());
ScheduleRestart(UUID.Zero, args[3], times.ToArray(), notice);
}
}
}
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