/// <summary>
/// loads a virtual access point map. you have to supply the type of the file and the name. possibles types are:
///
/// - json (TODO: read file and interpret)
///
/// </summary>
/// <param name="type">string</param>
/// <param name="mapName">string</param>
/// <returns>SortedDictionary</returns>
public virtual SortedDictionary<int, Sector> loadMap(string type, string mapName)
{
SortedDictionary<int, Sector> apMap = new SortedDictionary<int, Sector>();
Dictionary<string, AccessPoint> apList = new Dictionary<string, AccessPoint>();
Sector tempSector = new Sector();
if (type.Equals("xml"))
{
// xpath
XPathNavigator nav;
XPathDocument docNav;
XPathNodeIterator NodeIter;
String strExpression;
docNav = new XPathDocument(mapName);
Console.WriteLine("reading " + mapName);
nav = docNav.CreateNavigator();
// read map
strExpression = "//map/sector/*";
NodeIter = nav.Select(strExpression);
int counter = 0;
while (NodeIter.MoveNext())
{
if (counter == 0)
{
Console.WriteLine("number: " + NodeIter.Current.Value);
tempSector.setSectorId(int.Parse(NodeIter.Current.Value));
this.xmlCountSector++;
}
else if (counter == 1)
{
Console.WriteLine("x: " + NodeIter.Current.Value);
tempSector.setX(int.Parse(NodeIter.Current.Value));
}
else if (counter == 2)
{
Console.WriteLine("y: " + NodeIter.Current.Value);
tempSector.setY(int.Parse(NodeIter.Current.Value));
}
else
{
if (NodeIter.Current.Value.Equals("stop"))
{
tempSector.setAccessPointList(apList);
Console.WriteLine("counter = " + counter);
apMap.Add(tempSector.getSectorId(), tempSector);
counter = 0;
// reset temp dicitionary
apList = null;
apList = new Dictionary<string, AccessPoint>();
Console.WriteLine("sector saved");
}
else
{
Console.WriteLine("accesspoint: " + NodeIter.Current.Value);
string[] splitted = NodeIter.Current.Value.Split('|');
Console.WriteLine("split0: " + splitted[0]);
Console.WriteLine("split1: " + splitted[1]);
AccessPoint tempAp = new AccessPoint(splitted[0], double.Parse(splitted[1]));
apList.Add(splitted[0], tempAp);
this.xmlCountAps++;
}
}
if(!NodeIter.Current.Value.Equals("stop"))
counter++;
}
Console.WriteLine("finished reading");
if (apMap.Count == 0)
Console.WriteLine("ap map while xml loading is empty!");
return apMap;
}
else if (type.Equals("json"))
{
Console.WriteLine("json file loading ... ");
// MAKE ME WORK
return null;
}
else
{
Console.WriteLine("only 'xml' or 'json' files could be read!");
return null;
}
}
/// <summary>
/// method is used to create a sector at a specified position. This sector and all it's access points will be saved in a
/// large SortedDictionary type. Be aware of the possibly long pause !
/// </summary>
/// <param name="sector">int</param>
/// <param name="client">WlanClient</param>
/// <param name="xSector">int</param>
/// <param name="ySector">int</param>
public virtual bool createSectorAtPosition(int sector, int xSector, int ySector, WlanClient client)
{
//Console.WriteLine("X: ");
int x = xSector;
//Console.WriteLine("Y: ");
int y = ySector;
Sector tempSector = new Sector(x, y, sector);
Wlan.WlanBssEntry[] bsses = client.Interfaces[0].GetNetworkBssList();
double rssi = 0;
Dictionary<string, RssiCalcHelper> calcList = new Dictionary<string, RssiCalcHelper>();
for (int i = 0; i < this.mapCreationCount; i++)
{
foreach (Wlan.WlanBssEntry bss in bsses)
{
rssi = bss.rssi;
string bssid = Converter.getBssid(bss);
if (rssi > this.minimumRangeRssi || this.minimumRangeRssi == 0)
{
// drop 1st measuring
if (i != 0)
{
if (!calcList.ContainsKey(bssid))
{
calcList.Add(bssid, new RssiCalcHelper(rssi));
}
else if (calcList.ContainsKey(bssid))
{
RssiCalcHelper tempHelper = calcList[bssid];
calcList.Remove(bssid);
tempHelper.addRssi(rssi);
calcList.Add(bssid, tempHelper);
}
Console.WriteLine("AP: bssid=" + bssid + " rssi=" + rssi + " x=" + x + " y=" + y + " added to list");
}
else
{
Console.WriteLine("1st measurement dropped!");
}
}
}
Thread.Sleep(this.scanPause);
bsses = client.Interfaces[0].GetNetworkBssList();
client.Interfaces[0].Scan();
Console.WriteLine("");
}
foreach (KeyValuePair<string, RssiCalcHelper> keyValPair in calcList)
{
string bssid = keyValPair.Key;
RssiCalcHelper tempRssiHelper = keyValPair.Value;
double averageRssi = tempRssiHelper.getAverageRssi();
tempSector.addAccessPointToSector(bssid, averageRssi);
Console.WriteLine("Saved Middle value for: " + bssid + " rssi= " + averageRssi);
}
accessPointsMap.Add(sector, tempSector);
Console.WriteLine("Sector " + sector + " saved at position x=" + x + " y=" + y);
return true;
}
