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Brett Hewitson 2021-01-07 16:23:23 +10:00
parent 5f8fb2c825
commit 7e57b72e35
675 changed files with 168433 additions and 0 deletions
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src/QueryMaster/MasterUtil.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections.ObjectModel;
using System.Net;
namespace QueryMaster
{
static class MasterUtil
{
private static readonly byte Header = 0x31;
internal static byte[] BuildPacket(string endPoint, Region region, IpFilter filter)
{
List<byte> msg = new List<byte>();
msg.Add(Header);
msg.Add((byte)region);
msg.AddRange(Util.StringToBytes(endPoint));
msg.Add(0x00);
if (filter != null)
msg.AddRange(Util.StringToBytes(ProcessFilter(filter)));
msg.Add(0x00);
return msg.ToArray();
}
internal static ReadOnlyCollection<IPEndPoint> ProcessPacket(byte[] packet)
{
Parser parser = new Parser(packet);
List<IPEndPoint> endPoints = new List<IPEndPoint>();
parser.Skip(6);
int counter = 6;
string ip = string.Empty; ;
int port = 0;
while (counter != packet.Length)
{
ip = parser.ReadByte() + "." + parser.ReadByte() + "." + parser.ReadByte() + "." + parser.ReadByte();
byte portByte1 = parser.ReadByte();
byte portByte2 = parser.ReadByte();
if (BitConverter.IsLittleEndian)
{
port = BitConverter.ToUInt16(new byte[] { portByte2, portByte1 }, 0);
}
else
{
port = BitConverter.ToUInt16(new byte[] { portByte1, portByte2 }, 0);
}
endPoints.Add(new IPEndPoint(IPAddress.Parse(ip), port));
counter += 6;
}
return endPoints.AsReadOnly();
}
internal static string ProcessFilter(IpFilter filter)
{
StringBuilder filterStr = new StringBuilder();
if(filter.IsDedicated)
filterStr.Append(@"\type\d");
if (filter.IsSecure)
filterStr.Append(@"\secure\1");
if (!string.IsNullOrEmpty(filter.GameDirectory))
filterStr.Append(@"\gamedir\" + filter.GameDirectory);
if (!string.IsNullOrEmpty(filter.Map))
filterStr.Append(@"\map\" + filter.Map);
if (filter.IsLinux)
filterStr.Append(@"\linux\1");
if (filter.IsNotEmpty)
filterStr.Append(@"\empty\1");
if (filter.IsNotFull)
filterStr.Append(@"\full\1");
if (filter.IsProxy)
filterStr.Append(@"\proxy\1");
if (filter.App != 0)
filterStr.Append(@"\appid\" + filter.App);
if (filter.NApp != 0)
filterStr.Append(@"\napp\" + filter.NApp);
if (filter.IsNoPlayers)
filterStr.Append(@"\noplayers\1");
if (filter.IsWhiteListed)
filterStr.Append(@"\white\1");
if (!string.IsNullOrEmpty(filter.Sv_Tags))
filterStr.Append(@"\gametype\" + filter.Sv_Tags);
if (!string.IsNullOrEmpty(filter.GameData))
filterStr.Append(@"\gamedata\" + filter.GameData);
if (!string.IsNullOrEmpty(filter.GameDataOr))
filterStr.Append(@"\gamedataor\" + filter.GameDataOr);
if (filter.IpAddr != null && filter.IpAddr.Length > 0)
{
foreach (var ipaddr in filter.IpAddr)
{
if (!string.IsNullOrEmpty(ipaddr))
{
filterStr.Append(@"\gameaddr\").Append(ipaddr);
}
}
}
//filterStr.Append('\0');
return filterStr.ToString();
}
}
}