Class: KismetToKml::WifiNetwork

Inherits:
Object
  • Object
show all
Defined in:
lib/kismet_to_kml/wifi_network.rb

Instance Method Summary collapse

Constructor Details

#initialize(network_node) ⇒ WifiNetwork

Returns a new instance of WifiNetwork.



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# File 'lib/kismet_to_kml/wifi_network.rb', line 5

def initialize(network_node)
  @network_node = network_node
  @gps_points = []
end

Instance Method Details

#add_point(gps_point_node) ⇒ Object 



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# File 'lib/kismet_to_kml/wifi_network.rb', line 10

def add_point(gps_point_node)
  @gps_points << gps_point_node.attributes.values.map do |attr|
    [
      attr.name.gsub("-", "_").to_sym,
      attr.value
    ]
  end.to_h
end

#bssid ⇒ Object 



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# File 'lib/kismet_to_kml/wifi_network.rb', line 19

def bssid
  @network_node.search(Consts::BSSID).first.text
end

#kml_name ⇒ Object 



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# File 'lib/kismet_to_kml/wifi_network.rb', line 31

def kml_name
  "#{ssid} (#{bssid})"
end

#kml_placement ⇒ Object 



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# File 'lib/kismet_to_kml/wifi_network.rb', line 35

def kml_placement
  total_weight = 0
  lat_sum = 0
  lon_sum = 0
  alt_sum = 0

  @gps_points.each do |point|
    lat = point[:lat].to_f
    lon = point[:lon].to_f
    dbm = point[:signal_dbm].to_i
    alt = point[:alt].to_f
    weight = 10 ** ( dbm / 10 )

    lat_sum += lat * weight
    lon_sum += lon * weight
    alt_sum += alt

    total_weight += weight
  end

  center_lat = (lat_sum / total_weight).round(6)
  center_lon = (lon_sum / total_weight).round(6)
  avg_alt = (alt_sum / @gps_points.count).round(3)

  [center_lon, center_lat, avg_alt].join(",")
end

#ssid ⇒ Object 



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# File 'lib/kismet_to_kml/wifi_network.rb', line 23

def ssid
  begin
    @network_node.search(Consts::SSID).first&.search(Consts::ESSID).first&.text || Consts::UNKNOWN_SSID
  rescue
    Consts::UNKNOWN_SSID
  end
end