public TeraSniffer(IpSniffer ipSniffer, ServerDatabase servers)
{
_serversByIp = servers.GetServersByIp();
if (ipSniffer == null)
{
var netmasks = _serversByIp.Keys.Select(s => string.Join(".", s.Split('.').Take(3)) + ".0/24").Distinct().ToArray();
string filter = string.Join(" or ", netmasks.Select(x => $"(net {x})"));
filter = "tcp and (" + filter + ")";
try
{
ipSniffer = new IpSnifferWinPcap(filter);
}
catch
{
ipSniffer = new IpSnifferRawSocketMultipleInterfaces();
}
}
_ipSniffer = ipSniffer;
var tcpSniffer = new TcpSniffer(_ipSniffer);
tcpSniffer.NewConnection += HandleNewConnection;
}
private TeraSniffer()
{
var servers = BasicTeraData.Instance.Servers;
_serversByIp = servers.GetServersByIp();
if (BasicTeraData.Instance.WindowData.Winpcap)
{
var netmasks =
_serversByIp.Keys.Select(s => string.Join(".", s.Split('.').Take(3)) + ".0/24").Distinct().ToArray();
var filter = string.Join(" or ", netmasks.Select(x => $"(net {x})"));
filter = "tcp and (" + filter + ")";
try //fallback to raw sockets if no winpcap available
{
_ipSniffer = new IpSnifferWinPcap(filter);
(_ipSniffer as IpSnifferWinPcap).Warning += OnWarning;
}
catch
{
_ipSniffer = new IpSnifferRawSocketMultipleInterfaces();
}
}
else
{
_ipSniffer = new IpSnifferRawSocketMultipleInterfaces();
}
var tcpSniffer = new TcpSniffer(_ipSniffer);
tcpSniffer.NewConnection += HandleNewConnection;
}
public TeraSniffer(IEnumerable<Server> servers)
{
_serversByIp = servers.ToDictionary(x => x.Ip);
var netmasks =
_serversByIp.Keys.Select(s => string.Join(".", s.Split('.').Take(3)) + ".0/24").Distinct().ToArray();
var filter = string.Join(" or ", netmasks.Select(x => $"(net {x})"));
filter = "tcp and (" + filter + ")";
_ipSniffer = new IpSniffer(filter);
var tcpSniffer = new TcpSniffer(_ipSniffer);
tcpSniffer.NewConnection += HandleNewConnection;
}
public TeraSniffer(IEnumerable<string> serverIps)
{
_interestingIps = new HashSet<string>(serverIps);
var netmasks =
_interestingIps.Select(s => string.Join(".", s.Split('.').Take(3)) + ".0/24").Distinct().ToArray();
string filter = string.Join(" or ", netmasks.Select(x => string.Format("(net {0})", x)));
filter = "tcp and (" + filter + ")";
_ipSniffer = new IpSnifferWinPcap(filter);
var tcpSniffer = new TcpSniffer(_ipSniffer);
tcpSniffer.NewConnection += HandleNewConnection;
}
