Managers
ServerManager.cs
using System;
using System.Threading;
using log4net;
using ACE.Common;
using ACE.Database;
using ACE.Ensaty.Enum;
using ACE.Server.Ensaty.Actions;
using ACE.Server.Network.GameMessages.Messages;
using ACE.Server.Network.Managers;
namespace ACE.Server.Managers
{
///
/// ServerManager handles unloading the server application properly.
///
///
/// Possibly useful for:
/// 1. Monitor for errors and performance issues in LandblockManager, GuidManager, WorldManager,
/// DatabaseManager, or astetManager
/// Known issue:
/// 1. No method to verify that everything unloaded properly.
///
public static clast ServerManager
{
private static readonly ILog log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
///
/// Indicates advanced warning if the applcation will unload.
///
public static bool ShutdownInitiated { get; private set; }
///
/// Indicates server shutting down.
///
public static bool ShutdownInProgress { get; private set; }
///
/// The amount of seconds that the server will wait before unloading the application.
///
public static uint ShutdownInterval { get; private set; }
public static DateTime ShutdownTime { get; private set; } = DateTime.MinValue;
///
/// Sets the Shutdown Interval in Seconds
///
/// postive value representing seconds
public static void SetShutdownInterval(uint interval)
{
log.Info($"Server shutdown interval reset: {interval}");
ShutdownInterval = interval;
}
public static void Initialize()
{
// Loads the configuration for ShutdownInterval from the settings file.
ShutdownInterval = ConfigManager.Config.Server.ShutdownInterval;
}
///
/// Starts the shutdown wait thread.
///
public static void BeginShutdown()
{
ShutdownInitiated = true;
var shutdownThread = new Thread(ShutdownServer);
shutdownThread.Name = "Shutdown Server";
shutdownThread.Start();
}
///
/// Calling this function will always cancel an in-progress shutdown (application unload). This will also
/// stop the shutdown wait thread and alert users that the server will stay in operation.
///
public static void CancelShutdown()
{
ShutdownInitiated = false;
ShutdownTime = DateTime.MinValue;
}
public static void DoShutdownNow()
{
SetShutdownInterval(0);
ShutdownInitiated = true;
PlayerManager.BroadcastToAll(new GameMessageSystemChat("Broadcast from System> ATTENTION - This Asheron's Call Server is shutting down NOW!!!!", ChatMessageType.WorldBroadcast));
ShutdownServer();
}
///
/// Threaded task created when performing a server shutdown
///
private static void ShutdownServer()
{
var shutdownTime = DateTime.UtcNow.AddSeconds(ShutdownInterval);
ShutdownTime = shutdownTime;
var lastNoticeTime = DateTime.UtcNow;
// wait for shutdown interval to expire
while (shutdownTime != DateTime.MinValue && shutdownTime >= DateTime.UtcNow)
{
// this allows the server shutdown to be canceled
if (!ShutdownInitiated)
{
// reset shutdown details
string shutdownText = $"The server has canceled the shutdown procedure @ {DateTime.UtcNow} UTC";
log.Info(shutdownText);
// special text
foreach (var player in PlayerManager.GetAllOnline())
player.Session.WorldBroadcast(shutdownText);
// break function
return;
}
lastNoticeTime = NotifyPlayersOfPendingShutdown(lastNoticeTime, shutdownTime.AddSeconds(1));
Thread.Sleep(10);
}
ShutdownInProgress = true;
PropertyManager.ResyncVariables();
PropertyManager.StopUpdating();
WorldManager.EnqueueAction(new ActionEventDelegate(() =>
{
log.Debug("Logging off all players...");
// logout each player
foreach (var player in PlayerManager.GetAllOnline())
player.Session.LogOffPlayer(true);
}));
// Wait for all players to log out
var logUpdateTS = DateTime.MinValue;
int playerCount;
var playerLogoffStart = DateTime.UtcNow;
while ((playerCount = PlayerManager.GetOnlineCount()) > 0)
{
logUpdateTS = LogStatusUpdate(logUpdateTS, $"Waiting for {playerCount} player{(playerCount > 1 ? "s" : "")} to log off...");
Thread.Sleep(10);
if (playerCount > 0 && DateTime.UtcNow - playerLogoffStart > TimeSpan.FromMinutes(5))
{
playerLogoffStart = DateTime.UtcNow;
log.Warn($"5 minute log off failsafe reached and there are {playerCount} player{(playerCount > 1 ? "s" : "")} still online.");
foreach (var player in PlayerManager.GetAllOnline())
{
log.Warn($"Player {player.Name} (0x{player.Guid}) appears to be stuck in world and unable to log off normally. Requesting Forced Logoff...");
player.ForcedLogOffRequested = true;
player.ForceLogoff();
}
}
}
WorldManager.EnqueueAction(new ActionEventDelegate(() =>
{
log.Debug("Disconnecting all sessions...");
// disconnect each session
NetworkManager.DisconnectAllSessionsForShutdown();
}));
// Wait for all sessions to drop out
logUpdateTS = DateTime.MinValue;
int sessionCount;
while ((sessionCount = NetworkManager.GetAuthenticatedSessionCount()) > 0)
{
logUpdateTS = LogStatusUpdate(logUpdateTS, $"Waiting for {sessionCount} authenticated session{(sessionCount > 1 ? "s" : "")} to disconnect...");
Thread.Sleep(10);
}
log.Debug("Adding all landblocks to destruction queue...");
// Queue unloading of all the landblocks
// The actual unloading will happen in WorldManager.UpdateGameWorld
LandblockManager.AddAllActiveLandblocksToDestructionQueue();
// Wait for all landblocks to unload
logUpdateTS = DateTime.MinValue;
int landblockCount;
while ((landblockCount = LandblockManager.GetLoadedLandblocks().Count) > 0)
{
logUpdateTS = LogStatusUpdate(logUpdateTS, $"Waiting for {landblockCount} loaded landblock{(landblockCount > 1 ? "s" : "")} to unload...");
Thread.Sleep(10);
}
log.Debug("Stopping world...");
// Disabled thread update loop
WorldManager.StopWorld();
// Wait for world to end
logUpdateTS = DateTime.MinValue;
while (WorldManager.WorldActive)
{
logUpdateTS = LogStatusUpdate(logUpdateTS, "Waiting for world to stop...");
Thread.Sleep(10);
}
log.Info("Saving OfflinePlayers that have unsaved changes...");
PlayerManager.SaveOfflinePlayersWithChanges();
// Wait for the database queue to empty
logUpdateTS = DateTime.MinValue;
int shardQueueCount;
while ((shardQueueCount = DatabaseManager.Shard.QueueCount) > 0)
{
logUpdateTS = LogStatusUpdate(logUpdateTS, $"Waiting for database queue ({shardQueueCount}) to empty...");
Thread.Sleep(10);
}
// Write exit to console/log
log.Info($"Exiting at {DateTime.UtcNow}");
// System exit
Environment.Exit(Environment.ExitCode);
}
private static DateTime LogStatusUpdate(DateTime logUpdateTS, string logMessage)
{
if (logUpdateTS == DateTime.MinValue || DateTime.UtcNow > logUpdateTS.ToUniversalTime())
{
log.Info(logMessage);
logUpdateTS = DateTime.UtcNow.AddSeconds(10);
}
return logUpdateTS;
}
private static DateTime NotifyPlayersOfPendingShutdown(DateTime lastNoticeTime, DateTime shutdownTime)
{
var notify = false;
var sdt = shutdownTime - DateTime.UtcNow;
var timeHrs = $"{(sdt.Hours >= 1 ? $"{sdt.ToString("%h")}" : "")}{(sdt.Hours >= 2 ? $" hours" : sdt.Hours == 1 ? " hour" : "")}";
var timeMins = $"{(sdt.Minutes != 0 ? $"{sdt.ToString("%m")}" : "")}{(sdt.Minutes >= 2 ? $" minutes" : sdt.Minutes == 1 ? " minute" : "")}";
var timeSecs = $"{(sdt.Seconds != 0 ? $"{sdt.ToString("%s")}" : "")}{(sdt.Seconds >= 2 ? $" seconds" : sdt.Seconds == 1 ? " second" : "")}";
var time = $"{(timeHrs != "" ? timeHrs : "")}{(timeMins != "" ? $"{((timeHrs != "") ? ", " : "")}" + timeMins : "")}{(timeSecs != "" ? $"{((timeHrs != "" || timeMins != "") ? " and " : "")}" + timeSecs : "")}";
switch (time)
{
case "2 hours":
case "1 hour":
case "45 minutes":
case "30 minutes":
case "15 minutes":
case "10 minutes":
case "5 minutes":
case "2 minutes":
case "1 minute and 30 seconds":
case "1 minute":
case "30 seconds":
case "15 seconds":
case "10 seconds":
case "5 seconds":
notify = true;
break;
}
// Console.WriteLine(time);
if (notify && (DateTime.UtcNow - lastNoticeTime).TotalSeconds > 2)
{
foreach (var player in PlayerManager.GetAllOnline())
if (sdt.TotalSeconds > 10)
player.Session.WorldBroadcast($"Broadcast from System> {(sdt.TotalMinutes > 1.5 ? "ATTENTION" : "WARNING")} - This Asheron's Call Server is shutting down in {time}.{(sdt.TotalMinutes ATTENTION - This Asheron's Call Server is shutting down NOW!!!!");
return DateTime.UtcNow;
}
else
return lastNoticeTime;
}
public static void StartupAbort()
{
ShutdownInitiated = true;
}
public static string ShutdownNoticeText()
{
var sdt = ShutdownTime - DateTime.UtcNow;
var timeToShutdown = $"{(sdt.Hours > 0 ? $"{sdt.Hours} hour{(sdt.Hours > 1 ? "s" : "")}" : "")}";
timeToShutdown += $"{(timeToShutdown.Length > 0 ? ", " : "")}{(sdt.Minutes > 0 ? $"{sdt.Minutes} minute{(sdt.Minutes > 1 ? "s" : "")}" : "")}";
timeToShutdown += $"{(timeToShutdown.Length > 0 ? " and " : "")}{(sdt.Seconds > 0 ? $"{sdt.Seconds} second{(sdt.Seconds > 1 ? "s" : "")}" : "")}";
if (sdt.TotalSeconds > 10)
return $"Broadcast from System> {(sdt.TotalMinutes > 1.5 ? "ATTENTION" : "WARNING")} - This Asheron's Call Server is shutting down in {timeToShutdown}.{(sdt.TotalMinutes ATTENTION - This Asheron's Call Server is shutting down NOW!!!!";
}
}
}
