public void Lookup(IPAddress ip, Action <GeoInfo> callback)
{
uint ipInt = Ip4Utils.ToInt(ip);
GeoInfo geoInfo;
lock (cache)
{
object cached;
if (!cache.TryGetValue(ipInt, out cached))
{
cache.Add(ipInt, callback);
this.queue.Add(ip);
return;
}
geoInfo = cached as GeoInfo;
if (geoInfo == null)
{
var callbacks = (Action <GeoInfo>)cached;
callbacks += callback;
cache[ipInt] = callbacks;
return;
}
}
callback(geoInfo);
}
public void Lookup(IPAddress ip, Action <GeoInfo> callback)
{
uint ipInt = Ip4Utils.ToInt(ip);
GeoInfo geoInfo = null;
lock (cache)
{
if (cache.TryGetValue(ipInt, out var cached))
{
geoInfo = cached as GeoInfo;
}
if (geoInfo == null)
{
if (this.usageExceeded == DateTime.UtcNow.Date)
{
return;
}
if (cached == null)
{
cache.Add(ipInt, callback);
this.queue.Add(ip);
}
else
{
var callbacks = (Action <GeoInfo>)cached;
callbacks += callback;
cache[ipInt] = callbacks;
}
return;
}
}
callback(geoInfo);
}
public void LoadCache()
{
if (!File.Exists(this.cacheFile))
{
return;
}
lock (cache)
{
foreach (var line in File.ReadAllLines(this.cacheFile))
{
try
{
var parts = line.Split(new[] { '=' }, 2);
uint ipInt = 0;
var octets = parts[0].Split('.');
foreach (var octet in octets)
{
ipInt = (ipInt << 8) + uint.Parse(octet);
}
var loc = parts[1].Split('|');
var countryCode = loc[0];
var latitude = decimal.Parse(loc[5], NumberFormatInfo.InvariantInfo);
var longitude = decimal.Parse(loc[6], NumberFormatInfo.InvariantInfo);
if (countryCode != "")
{
var geoInfo = new GeoInfo(countryCode, loc[1], loc[2], loc[3], loc[4], latitude, longitude);
cache[ipInt] = geoInfo;
}
}
catch
{
// ignore
}
}
// override wrong geo-IP information (MS Azure IPs list Washington even for NL/EU servers)
cache[Ip4Utils.ToInt(104, 40, 134, 97)] = new GeoInfo("NL", "Netherlands", null, null, null, 0, 0);
cache[Ip4Utils.ToInt(104, 40, 213, 215)] = new GeoInfo("NL", "Netherlands", null, null, null, 0, 0);
// Vultr also spreads their IPs everywhere
cache[Ip4Utils.ToInt(45, 32, 153, 115)] = new GeoInfo("DE", "Germany", null, null, null, 0, 0); // listed as NL, but is DE
cache[Ip4Utils.ToInt(45, 32, 205, 149)] = new GeoInfo("US", "United States", "TX", null, null, 0, 0); // listed as NL, but is TX
// i3d.net
cache[Ip4Utils.ToInt(185, 179, 200, 69)] = new GeoInfo("ZA", "South Africa", null, null, null, 0, 0); // listed as NL, but is ZA
}
}
private void ProcessLoop()
{
using (var client = new XWebClient(5000))
{
while (true)
{
var ip = this.queue.Take();
if (ip == null)
{
break;
}
bool err = true;
var ipInt = Ip4Utils.ToInt(ip);
try
{
var url = string.Format(this.ServiceUrlFormat, ip);
var result = client.DownloadString(url);
if (result != null)
{
object o;
Action <GeoInfo> callbacks;
lock (cache)
callbacks = cache.TryGetValue(ipInt, out o) ? o as Action <GeoInfo> : null;
var geoInfo = this.HandleResult(ipInt, result);
if (callbacks != null && geoInfo != null)
{
ThreadPool.QueueUserWorkItem(ctx => callbacks(geoInfo));
}
err = false;
}
}
catch
{
// ignore
}
if (err)
{
lock (this.cache)
this.cache.Remove(ipInt);
}
}
}
}
public void LoadFromIni(IniFile iniFile, IniFile.Section ini, GameExtensionPool pool, bool ignoreMasterServer)
{
this.Source = (SourceType)ini.GetInt("Type");
this.Caption = ini.GetString("TabName");
this.MasterServer = (ignoreMasterServer ? null : ini.GetString("MasterServer")) ?? "";
this.InitialGameID = ini.GetInt("InitialGameID");
this.FilterMod = ini.GetString("FilterMod");
this.FilterMap = ini.GetString("FilterMap");
this.TagsIncludeServer = ini.GetString("TagsInclude");
this.TagsExcludeServer = ini.GetString("TagsExclude");
this.VersionMatch = ini.GetString("VersionMatch");
this.GetEmptyServers = ini.GetBool("GetEmptyServers", true);
this.GetFullServers = ini.GetBool("GetFullServers", true);
this.MasterServerQueryLimit = ini.GetInt("MasterServerQueryLimit", this.MasterServerQueryLimit);
this.GridFilter = ini.GetString("GridFilter");
this.MinPlayers = ini.GetInt("MinPlayers");
this.MinPlayersInclBots = ini.GetBool("MinPlayersInclBots");
this.MaxPing = ini.GetInt("MaxPing");
this.TagsIncludeClient = ini.GetString("TagsIncludeClient");
this.TagsExcludeClient = ini.GetString("TagsExcludeClient");
this.CustomDetailColumns.Clear();
foreach (var detail in (ini.GetString("CustomDetailColumns") ?? "").Split(','))
{
if (detail != "")
{
CustomRuleColumns.Add(detail);
}
}
this.CustomRuleColumns.Clear();
foreach (var rule in (ini.GetString("CustomRuleColumns") ?? "").Split(','))
{
if (rule != "")
{
CustomRuleColumns.Add(rule);
}
}
this.HideColumns.Clear();
foreach (var col in (ini.GetString("HideColumns") ?? "").Split(','))
{
if (col != "")
{
HideColumns.Add(col);
}
}
var layout = ini.GetString("GridLayout");
if (!string.IsNullOrEmpty(layout))
{
this.ServerGridLayout = new MemoryStream(Convert.FromBase64String(layout));
}
this.gameExtension = pool.Get((Game)this.InitialGameID);
if (this.Source == SourceType.CustomList)
{
this.Servers = new List <ServerRow>();
// new config format
var sec = iniFile.GetSection(ini.Name + "_Servers");
if (sec != null)
{
foreach (var key in sec.Keys)
{
var row = new ServerRow(Ip4Utils.ParseEndpoint(key), this.gameExtension);
row.CachedName = sec.GetString(key);
this.Servers.Add(row);
}
}
else
{
// old config format
var oldSetting = ini.GetString("Servers") ?? "";
foreach (var server in oldSetting.Split('\n', ' '))
{
var s = server.Trim();
if (s == "")
{
continue;
}
this.Servers.Add(new ServerRow(Ip4Utils.ParseEndpoint(s), this.gameExtension));
}
}
}
}
