private void PingTunnels(object _tunnels)
{
List <CnCNetTunnel> Tunnels = (List <CnCNetTunnel>)_tunnels;
for (int tnlId = 0; tnlId < Tunnels.Count; tnlId++)
{
CnCNetTunnel tunnel = Tunnels[tnlId];
if (!tunnel.Official)
{
int pingInMs = -1;
Ping p = new Ping();
try
{
PingReply reply = p.Send(IPAddress.Parse(tunnel.Address), 500);
if (reply.Status == IPStatus.Success)
{
if (reply.RoundtripTime > 0)
{
pingInMs = Convert.ToInt32(reply.RoundtripTime);
}
}
}
catch
{
}
if (pingInMs > -1)
{
tunnel.PingInMs = pingInMs;
}
DoTunnelPinged(tnlId, pingInMs);
}
}
}
/// <summary>
/// Parses a formatted string that contains the tunnel server's
/// information into a CnCNetTunnel instance.
/// </summary>
/// <param name="str">The string that contains the tunnel server's information.</param>
/// <returns>A CnCNetTunnel instance parsed from the given string.</returns>
public static CnCNetTunnel Parse(string str)
{
// For the format, check http://cncnet.org/master-list
try
{
var tunnel = new CnCNetTunnel();
string[] parts = str.Split(';');
string address = parts[0];
string[] detailedAddress = address.Split(new char[] { ':' });
tunnel.Address = detailedAddress[0];
tunnel.Port = int.Parse(detailedAddress[1]);
tunnel.Country = parts[1];
tunnel.CountryCode = parts[2];
tunnel.Name = parts[3];
tunnel.RequiresPassword = parts[4] != "0";
tunnel.Clients = int.Parse(parts[5]);
tunnel.MaxClients = int.Parse(parts[6]);
int status = int.Parse(parts[7]);
tunnel.Official = status == 2;
if (!tunnel.Official)
{
tunnel.Recommended = status == 1;
}
CultureInfo cultureInfo = CultureInfo.InvariantCulture;
tunnel.Latitude = double.Parse(parts[8], cultureInfo);
tunnel.Longitude = double.Parse(parts[9], cultureInfo);
tunnel.Version = int.Parse(parts[10]);
tunnel.Distance = double.Parse(parts[11], cultureInfo);
return(tunnel);
}
catch (Exception ex)
{
if (ex is FormatException || ex is OverflowException || ex is IndexOutOfRangeException)
{
Logger.Log("Parsing tunnel information failed: " + ex.Message + Environment.NewLine + "Parsed string: " + str);
return(null);
}
throw ex;
}
}
private void HandleRefreshedTunnels(List <CnCNetTunnel> tunnels)
{
if (tunnels.Count > 0)
{
Tunnels = tunnels;
}
TunnelsRefreshed?.Invoke(this, EventArgs.Empty);
Task[] pingTasks = new Task[Tunnels.Count];
for (int i = 0; i < Tunnels.Count; i++)
{
if (UserINISettings.Instance.PingUnofficialCnCNetTunnels || Tunnels[i].Official || Tunnels[i].Recommended)
{
pingTasks[i] = PingListTunnelAsync(i);
}
}
if (CurrentTunnel != null)
{
var updatedTunnel = Tunnels.Find(t => t.Address == CurrentTunnel.Address && t.Port == CurrentTunnel.Port);
if (updatedTunnel != null)
{
// don't re-ping if the tunnel still exists in list, just update the tunnel instance and
// fire the event handler (the tunnel was already pinged when traversing the tunnel list)
CurrentTunnel = updatedTunnel;
DoCurrentTunnelPinged();
}
else
{
// tunnel is not in the list anymore so it's not updated with a list instance and pinged
PingCurrentTunnelAsync();
}
}
}
/// <summary>
/// Downloads and parses the list of CnCNet tunnels.
/// </summary>
/// <returns>A list of tunnel servers.</returns>
private List <CnCNetTunnel> RefreshTunnels()
{
string tunnelCacheFile = ProgramConstants.GamePath + "Client\\tunnel_cache";
List <CnCNetTunnel> returnValue = new List <CnCNetTunnel>();
WebClient client = new WebClient();
byte[] data;
Logger.Log("Fetching tunnel server info.");
try
{
data = client.DownloadData(MainClientConstants.CNCNET_TUNNEL_LIST_URL);
}
catch (Exception ex)
{
Logger.Log("Error when downloading tunnel server info: " + ex.Message);
Logger.Log("Retrying.");
try
{
data = client.DownloadData(MainClientConstants.CNCNET_TUNNEL_LIST_URL);
}
catch
{
if (!File.Exists(tunnelCacheFile))
{
Logger.Log("Tunnel cache file doesn't exist!");
return(returnValue);
}
else
{
Logger.Log("Fetching tunnel server list failed. Using cached tunnel data.");
data = File.ReadAllBytes(tunnelCacheFile);
}
}
}
string convertedData = Encoding.Default.GetString(data);
string[] serverList = convertedData.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries);
foreach (string serverInfo in serverList)
{
try
{
CnCNetTunnel tunnel = CnCNetTunnel.Parse(serverInfo);
if (tunnel == null)
{
continue;
}
if (tunnel.RequiresPassword)
{
continue;
}
if (tunnel.Version != SUPPORTED_TUNNEL_VERSION)
{
continue;
}
if (tunnel.Official || tunnel.Recommended)
{
Ping p = new Ping();
try
{
PingReply reply = p.Send(IPAddress.Parse(tunnel.Address), 500);
if (reply.Status == IPStatus.Success)
{
if (reply.RoundtripTime > 0)
{
tunnel.PingInMs = Convert.ToInt32(reply.RoundtripTime);
}
}
}
catch
{
}
}
returnValue.Add(tunnel);
}
catch
{
}
}
if (returnValue.Count > 0)
{
try
{
if (File.Exists(tunnelCacheFile))
{
File.Delete(tunnelCacheFile);
}
if (!Directory.Exists(ProgramConstants.GamePath + "Client"))
{
Directory.CreateDirectory(ProgramConstants.GamePath + "Client");
}
File.WriteAllBytes(tunnelCacheFile, data);
}
catch (Exception ex)
{
Logger.Log("Refreshing tunnel cache file failed! Returned error: " + ex.Message);
}
}
return(returnValue);
}
/// <summary>
/// Downloads and parses the list of CnCNet tunnels.
/// </summary>
/// <returns>A list of tunnel servers.</returns>
private List <CnCNetTunnel> RefreshTunnels()
{
string tunnelCacheFile = ProgramConstants.GamePath + "Client\\tunnel_cache";
List <CnCNetTunnel> returnValue = new List <CnCNetTunnel>();
WebClient client = new WebClient();
byte[] data;
Logger.Log("Fetching tunnel server info.");
try
{
data = client.DownloadData("http://cncnet.org/master-list");
}
catch (Exception ex)
{
Logger.Log("Error when downloading tunnel server info: " + ex.Message);
Logger.Log("Retrying.");
try
{
data = client.DownloadData("http://cncnet.org/master-list");
}
catch
{
if (!File.Exists(tunnelCacheFile))
{
Logger.Log("Tunnel cache file doesn't exist!");
return(returnValue);
}
else
{
Logger.Log("Fetching tunnel server list failed. Using cached tunnel data.");
data = File.ReadAllBytes(tunnelCacheFile);
}
}
}
string convertedData = Encoding.Default.GetString(data);
string[] serverList = convertedData.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries);
foreach (string serverinfo in serverList)
{
string[] serverInfo = serverinfo.Split(new char[] { ';' });
CnCNetTunnel tunnel = new CnCNetTunnel();
try
{
string address = serverInfo[0];
string[] detailedAddress = address.Split(new char[] { ':' });
tunnel.Address = detailedAddress[0];
tunnel.Port = Convert.ToInt32(detailedAddress[1]);
tunnel.Country = serverInfo[1];
tunnel.CountryCode = serverInfo[2];
tunnel.Name = serverInfo[3];
tunnel.RequiresPassword = Conversions.BooleanFromString(serverInfo[4], true);
tunnel.Clients = Convert.ToInt32(serverInfo[5]);
tunnel.MaxClients = Convert.ToInt32(serverInfo[6]);
tunnel.Official = (Convert.ToInt32(serverInfo[7]) == 2);
if (!tunnel.Official)
{
tunnel.Recommended = (Convert.ToInt32(serverInfo[7]) == 1);
}
CultureInfo cultureInfo = CultureInfo.GetCultureInfo("en-US");
tunnel.Latitude = Convert.ToDouble(serverInfo[8], cultureInfo);
tunnel.Longitude = Convert.ToDouble(serverInfo[9], cultureInfo);
tunnel.Version = Convert.ToInt32(serverInfo[10]);
tunnel.Distance = Convert.ToDouble(serverInfo[11], cultureInfo);
tunnel.PingInMs = -1;
if (tunnel.RequiresPassword)
{
continue;
}
if (tunnel.Version != 2)
{
continue;
}
if (tunnel.Official || tunnel.Recommended)
{
Ping p = new Ping();
try
{
PingReply reply = p.Send(IPAddress.Parse(detailedAddress[0]), 500);
if (reply.Status == IPStatus.Success)
{
if (reply.RoundtripTime > 0)
{
tunnel.PingInMs = Convert.ToInt32(reply.RoundtripTime);
}
}
}
catch
{
}
}
returnValue.Add(tunnel);
}
catch
{
}
}
if (returnValue.Count > 0)
{
try
{
if (File.Exists(tunnelCacheFile))
{
File.Delete(tunnelCacheFile);
}
if (!Directory.Exists(ProgramConstants.GamePath + "Client"))
{
Directory.CreateDirectory(ProgramConstants.GamePath + "Client");
}
File.WriteAllBytes(tunnelCacheFile, data);
}
catch (Exception ex)
{
Logger.Log("Refreshing tunnel cache file failed! Returned error: " + ex.Message);
}
}
return(returnValue);
}
