private bool ParseServerDetails(IPEndPoint remote, byte[] data)
{
string key = String.Format("{0}:{1}", remote.Address, remote.Port);
string receivedData = Encoding.UTF8.GetString(data);
//Console.WriteLine(receivedData.Replace("\x00", "\\x00").Replace("\x02", "\\x02"));
// split by 000 (info/player separator) and 002 (players/teams separator)
// the players/teams separator is really 00, but because 00 may also be used elsewhere (an empty value for example), we hardcode it to 002
// the 2 is the size of the teams, for BF2 this is always 2.
string[] sections = receivedData.Split(new string[] { "\x00\x00\x00", "\x00\x00\x02" }, StringSplitOptions.None);
//Console.WriteLine(sections.Length);
if (sections.Length != 3 && !receivedData.EndsWith("\x00\x00"))
return true; // true means we don't send back a response
string serverVars = sections[0];
//string playerVars = sections[1];
//string teamVars = sections[2];
string[] serverVarsSplit = serverVars.Split(new string[] { "\x00" }, StringSplitOptions.None);
GameServer server = new GameServer() {
Valid = false,
IPAddress = remote.Address.ToString(),
QueryPort = remote.Port,
LastRefreshed = DateTime.UtcNow,
LastPing = DateTime.UtcNow
};
// set the country based off ip address
if (GeoIP.Instance == null || GeoIP.Instance.Reader == null) {
server.country = "??";
} else {
try {
server.country = GeoIP.Instance.Reader.Omni(server.IPAddress).Country.IsoCode.ToUpperInvariant();
} catch (Exception e) {
LogError(Category, e.ToString());
server.country = "??";
}
}
for (int i = 0; i < serverVarsSplit.Length - 1; i += 2) {
PropertyInfo property = server.GetType().GetProperty(serverVarsSplit[i]);
if (property == null)
continue;
if (property.Name == "hostname") {
// strip consecutive whitespace from hostname
property.SetValue(server, Regex.Replace(serverVarsSplit[i + 1], @"\s+", " ").Trim(), null);
} else if (property.Name == "bf2_plasma") {
// set plasma to true if the ip is in plasmaservers.txt
if (PlasmaServers.Any(x => x.Equals(remote.Address)))
property.SetValue(server, true, null);
else
property.SetValue(server, false, null);
} else if (property.Name == "bf2_ranked") {
// we're always a ranked server (helps for mods with a default bf2 main menu, and default filters wanting ranked servers)
property.SetValue(server, true, null);
} else if (property.Name == "bf2_pure") {
// we're always a pure server
property.SetValue(server, true, null);
} else if (property.PropertyType == typeof(Boolean)) {
// parse string to bool (values come in as 1 or 0)
int value;
if (Int32.TryParse(serverVarsSplit[i + 1], NumberStyles.Integer, CultureInfo.InvariantCulture, out value)) {
property.SetValue(server, value != 0, null);
}
} else if (property.PropertyType == typeof(Int32)) {
// parse string to int
int value;
if (Int32.TryParse(serverVarsSplit[i + 1], NumberStyles.Integer, CultureInfo.InvariantCulture, out value)) {
property.SetValue(server, value, null);
}
} else if (property.PropertyType == typeof(Double)) {
// parse string to double
double value;
if (Double.TryParse(serverVarsSplit[i + 1], NumberStyles.Float, CultureInfo.InvariantCulture, out value)) {
property.SetValue(server, value, null);
}
} else if (property.PropertyType == typeof(String)) {
// parse string to string
property.SetValue(server, serverVarsSplit[i + 1], null);
}
}
if (String.IsNullOrWhiteSpace(server.gamename) || !server.gamename.Equals("battlefield2", StringComparison.InvariantCultureIgnoreCase)) {
// only allow servers with a gamename of battlefield2
return true; // true means we don't send back a response
} else if (String.IsNullOrWhiteSpace(server.gamevariant) || !ModWhitelist.ToList().Any(x => SQLMethods.EvaluateIsLike(server.gamevariant, x))) {
// only allow servers with a gamevariant of those listed in modwhitelist.txt, or (pr || pr_*) by default
return true; // true means we don't send back a response
}
// you've got to have all these properties in order for your server to be valid
if (!String.IsNullOrWhiteSpace(server.hostname) &&
!String.IsNullOrWhiteSpace(server.gamevariant) &&
!String.IsNullOrWhiteSpace(server.gamever) &&
!String.IsNullOrWhiteSpace(server.gametype) &&
!String.IsNullOrWhiteSpace(server.mapname) &&
server.hostport > 1024 && server.hostport <= UInt16.MaxValue &&
server.maxplayers > 0) {
server.Valid = true;
}
// if the server list doesn't contain this server, we need to return false in order to send a challenge
// if the server replies back with the good challenge, it'll be added in AddValidServer
if (!Servers.ContainsKey(key))
return false;
Servers.AddOrUpdate(key, server, (k, old) => {
if (!old.Valid && server.Valid) {
Log(Category, String.Format("Added new server at: {0}:{1} ({2}) ({3})", server.IPAddress, server.QueryPort, server.country, server.gamevariant));
}
return server;
});
return true;
}
private static string GetField(GameServer server, string fieldName)
{
object value = server.GetType().GetProperty(fieldName).GetValue(server, null);
if (value == null)
return String.Empty;
else if (value is Boolean)
return (bool)value ? "1" : "0";
else
return value.ToString();
}
private void AddValidServer(IPEndPoint remote)
{
string key = String.Format("{0}:{1}", remote.Address, remote.Port);
GameServer server = new GameServer() {
Valid = false,
IPAddress = remote.Address.ToString(),
QueryPort = remote.Port,
LastRefreshed = DateTime.UtcNow,
LastPing = DateTime.UtcNow
};
Servers.AddOrUpdate(key, server, (k, old) => {
return server;
});
}
private bool ParseServerDetails(IPEndPoint remote, byte[] data)
{
string key = String.Format("{0}:{1}", remote.Address, remote.Port);
string receivedData = Encoding.UTF8.GetString(data);
//Console.WriteLine(receivedData.Replace("\x00", "\\x00").Replace("\x02", "\\x02"));
// split by 000 (info/player separator) and 002 (players/teams separator)
// the players/teams separator is really 00, but because 00 may also be used elsewhere (an empty value for example), we hardcode it to 002
// the 2 is the size of the teams, for BF2 this is always 2.
string[] sections = receivedData.Split(new string[] { "\x00\x00\x00", "\x00\x00\x02" }, StringSplitOptions.None);
//Console.WriteLine(sections.Length);
if (sections.Length != 3 && !receivedData.EndsWith("\x00\x00"))
return true; // true means we don't send back a response
string serverVars = sections[0];
//string playerVars = sections[1];
//string teamVars = sections[2];
string[] serverVarsSplit = serverVars.Split(new string[] { "\x00" }, StringSplitOptions.None);
GameServer server = new GameServer() {
Valid = false,
IPAddress = remote.Address.ToString(),
QueryPort = remote.Port,
LastRefreshed = DateTime.UtcNow,
LastPing = DateTime.UtcNow
};
// set the country based off ip address
if (GeoIP.Instance == null || GeoIP.Instance.Reader == null) {
server.country = "??";
} else {
try {
server.country = GeoIP.Instance.Reader.Omni(server.IPAddress).Country.IsoCode.ToUpperInvariant();
} catch (Exception e) {
LogError(Category, e.ToString());
server.country = "??";
}
}
for (int i = 0; i < serverVarsSplit.Length - 1; i += 2) {
PropertyInfo property = server.GetType().GetProperty(serverVarsSplit[i]);
if (property == null)
continue;
if (property.Name == "hostname") {
// strip consecutive whitespace from hostname
property.SetValue(server, Regex.Replace(serverVarsSplit[i + 1], @"\s+", " ").Trim(), null);
} else if (property.PropertyType == typeof(Boolean)) {
// parse string to bool (values come in as 1 or 0)
int value;
if (Int32.TryParse(serverVarsSplit[i + 1], NumberStyles.Integer, CultureInfo.InvariantCulture, out value)) {
property.SetValue(server, value != 0, null);
}
} else if (property.PropertyType == typeof(Int32)) {
// parse string to int
int value;
if (Int32.TryParse(serverVarsSplit[i + 1], NumberStyles.Integer, CultureInfo.InvariantCulture, out value)) {
property.SetValue(server, value, null);
}
} else if (property.PropertyType == typeof(Double)) {
// parse string to double
double value;
if (Double.TryParse(serverVarsSplit[i + 1], NumberStyles.Float, CultureInfo.InvariantCulture, out value)) {
property.SetValue(server, value, null);
}
} else if (property.PropertyType == typeof(String)) {
// parse string to string
property.SetValue(server, serverVarsSplit[i + 1], null);
}
}
// XXX TODO FIXME check server.gamename to be a valid gamename
if (String.IsNullOrWhiteSpace(server.gamename)) {
Log(Category, String.Format("ParseServerDetails: server.gamename rejected {0}", server.gamename ?? "(null)"));
return true; // true means we don't send back a response
}
// XXX TODO FIXME do we need to check server.gamevariant? I don't think so right now
// you've got to have all these properties in order for your server to be valid
if (!String.IsNullOrWhiteSpace(server.hostname) &&
//!String.IsNullOrWhiteSpace(server.gamevariant) &&
//!String.IsNullOrWhiteSpace(server.gamever) &&
//!String.IsNullOrWhiteSpace(server.gametype) &&
//!String.IsNullOrWhiteSpace(server.mapname) &&
server.hostport > 1024 && server.hostport <= UInt16.MaxValue /*&&
server.maxplayers > 0*/) {
server.Valid = true;
server.groupid = null;//were "1", changed 28.09
}
// if the server list doesn't contain this server, we need to return false in order to send a challenge
// if the server replies back with the good challenge, it'll be added in AddValidServer
// XXX Maybe we have to make all this conditional
// Log(Category, String.Format("Trying to addOrUpdate: {0}, server.hostport: {1}, server.Valid: {2}, server.IPAddress: {3}, server.QueryPort: {4}, server.country: {5}, server.gamevariant: {6}",
// key, server.hostport, server.Valid, server.IPAddress, server.QueryPort, server.country, server.gamevariant ?? "(null)"));
Servers.AddOrUpdate(key, server, (k, old) => {
if (!old.Valid && server.Valid) {
Log(Category, String.Format("Added new server at: {0}:{1} ({2}) ({3})", server.IPAddress, server.QueryPort, server.country, server.gamevariant ?? "(null)"));
}
return server;
});
return false;
}
