Files
OpenRA/OpenRA.Mods.RA/ServerTraits/MasterServerPinger.cs
2010-11-10 10:30:26 +13:00

94 lines
2.8 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation. For more information,
* see LICENSE.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Net;
using OpenRA.Server;
using server = OpenRA.Server.Server;
namespace OpenRA.Mods.RA.Server
{
public class MasterServerPinger : ServerTrait, ITick, INotifySyncLobbyInfo, IStartGame
{
const int MasterPingInterval = 60 * 3; // 3 minutes. server has a 5 minute TTL for games, so give ourselves a bit
// of leeway.
public int TickTimeout { get { return MasterPingInterval * 10000; } }
public void Tick()
{
if (Environment.TickCount - lastPing > MasterPingInterval * 1000)
PingMasterServer();
else
lock (masterServerMessages)
while (masterServerMessages.Count > 0)
server.SendChat(null, masterServerMessages.Dequeue());
}
public void LobbyInfoSynced() { PingMasterServer(); }
public void GameStarted() { PingMasterServer(); }
static int lastPing = 0;
// Todo: use the settings passed to the server instead
static bool isInternetServer = Game.Settings.Server.AdvertiseOnline;
static string masterServerUrl = Game.Settings.Server.MasterServer;
static int externalPort = Game.Settings.Server.ExternalPort;
static bool isInitialPing = true;
static volatile bool isBusy;
static Queue<string> masterServerMessages = new Queue<string>();
public static void PingMasterServer()
{
if (isBusy || !isInternetServer) return;
lastPing = Environment.TickCount;
isBusy = true;
Action a = () =>
{
try
{
var url = "ping.php?port={0}&name={1}&state={2}&players={3}&mods={4}&map={5}";
if (isInitialPing) url += "&new=1";
using (var wc = new WebClient())
{
wc.DownloadData(
masterServerUrl + url.F(
externalPort, Uri.EscapeUriString(server.Name),
server.GameStarted ? 2 : 1, // todo: post-game states, etc.
server.lobbyInfo.Clients.Count,
string.Join(",", server.lobbyInfo.GlobalSettings.Mods),
server.lobbyInfo.GlobalSettings.Map));
if (isInitialPing)
{
isInitialPing = false;
lock (masterServerMessages)
masterServerMessages.Enqueue("Master server communication established.");
}
}
}
catch(Exception ex)
{
Log.Write("server", ex.ToString());
lock( masterServerMessages )
masterServerMessages.Enqueue( "Master server communication failed." );
}
isBusy = false;
};
a.BeginInvoke(null, null);
}
}
}