public static List <Connection> GetConnections(PackageManager manager)
{
var result = new List <Connection> ();
var links = new Dictionary <string, Program> ();
ProcessOverview p = new ProcessOverview(manager);
p.Update();
result.AddRange(ParseNetFile("/proc/net/tcp", "tcp", p));
result.AddRange(ParseNetFile("/proc/net/tcp6", "tcp", p));
result.AddRange(ParseNetFile("/proc/net/udp", "udp", p));
result.AddRange(ParseNetFile("/proc/net/udp6", "udp", p));
result.ForEach((c) => c.Resolve());
return(result);
}
private static IEnumerable <Connection> ParseNetFile(string filename, string type, ProcessOverview overview)
{
FileInfo f = new FileInfo(filename);
if (!f.Exists)
{
yield break;
}
var reader = new StreamReader(f.OpenRead());
var header = reader.ReadLine();
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
if (String.IsNullOrWhiteSpace(line))
{
continue;
}
var parts = Regex.Split(line, @"\s+");
var uid = int.Parse(parts [8]);
var source = ParseHexEndpoint(parts [2]);
var dest = ParseHexEndpoint(parts [3]);
var packets = long.Parse(parts [5].Split(':')[1], System.Globalization.NumberStyles.HexNumber);
if (_skipSourceIps.Contains(dest.Address))
{
continue;
}
var c = new Connection();
c.Source = source;
c.Destination = dest;
c.Activity = packets;
c.Program = overview.FromId(uid);
c.Type = type;
yield return(c);
}
}
