private IEnumerable <NetstatEntry> GetNetstatEntriesForWorker(int workerIndex)
{
ICollection <NetstatEntry> netstatEntries = new List <NetstatEntry>();
var netstatQuery = MongoQueryHelper.GetNetstatForWorker(netstatCollection, workerIndex);
BsonDocument netstatDocument = netstatCollection.Find(netstatQuery).FirstOrDefault();
if (netstatDocument == null)
{
Log.InfoFormat("No netstat data available for worker {0}.", workerIndex);
return(netstatEntries);
}
BsonArray netstatEntryArray = netstatDocument["entries"].AsBsonArray;
DateTime? fileLastModified = BsonDocumentHelper.GetNullableDateTime("last_modified_at", netstatDocument);
if (netstatEntryArray.Count > 0)
{
foreach (BsonValue netstatEntry in netstatEntryArray)
{
IEnumerable <BsonValue> transportReservations = GetTransportReservationDocuments(netstatEntry.AsBsonDocument);
foreach (var transportReservation in transportReservations)
{
var entry = new NetstatEntry(logsetHash, workerIndex, netstatEntry.AsBsonDocument, transportReservation.AsBsonDocument, fileLastModified);
netstatEntries.Add(entry);
}
}
}
return(netstatEntries);
}
public override JObject ParseLogDocument(TextReader reader)
{
IList <NetstatEntry> entries = new List <NetstatEntry>();
NetstatEntry entry = new NetstatEntry();
string line;
int lineCounter = 0;
while ((line = ReadLine(reader)) != null)
{
lineCounter++;
// Ignore headers & empty lines.
if (!IsNetstatContent(line))
{
continue;
}
IList <string> tokens = line.Split(new[] { " " }, StringSplitOptions.RemoveEmptyEntries).Select(s => s.Trim()).ToList();
if (tokens.Count == 1)
{
if (tokens[0].StartsWith("[") && tokens[0].EndsWith("]"))
{
entry.Process = tokens[0].Trim('[', ']');
entry.Line = lineCounter;
entries.Add(entry);
entry = new NetstatEntry();
}
else
{
entry.Component = tokens[0];
}
}
else if (tokens.Count == 3 || tokens.Count == 4)
{
var portReservation = new PortReservation
{
Protocol = tokens[0],
LocalAddress = ExtractHostname(tokens[1]),
LocalPort = ExtractPort(tokens[1]),
ForeignAddress = ExtractHostname(tokens[2]),
ForeignPort = ExtractPort(tokens[2])
};
if (tokens.Count == 4)
{
portReservation.TcpState = tokens[3];
}
entry.TransportReservations.Add(portReservation);
}
}
// Roll up entries into JObject
JObject netstatJson = CreateJObject(entries);
return(InsertMetadata(netstatJson));
}
bool Filter(NetstatEntry entry)
{
if (!Settings.ShowListening && entry.State == TcpState.Listen)
{
return(false);
}
if (!Settings.ShowLocal)
{
if (IsLocalHost(entry.LocalEndpoint.Address) && IsLocalHost(entry.RemoteEndpoint.Address))
{
return(false);
}
}
if (Settings.UsePortFilter && entry.RemoteEndpoint.Port != Settings.PortFilter)
{
return(false);
}
return(true);
}
bool Filter(NetstatEntry entry)
{
if (!Settings.ShowListening && entry.State == TcpState.Listen)
return false;
if (!Settings.ShowLocal) {
if (IsLocalHost (entry.LocalEndpoint.Address) && IsLocalHost (entry.RemoteEndpoint.Address))
return false;
}
if (Settings.UsePortFilter && entry.RemoteEndpoint.Port != Settings.PortFilter)
return false;
return true;
}
