156 lines
3.9 KiB
C++
156 lines
3.9 KiB
C++
#ifndef _OWLPS_POSITIONING_ACCESSPOINT_HH_
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#define _OWLPS_POSITIONING_ACCESSPOINT_HH_
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#include "wifidevice.hh"
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#include "point3d.hh"
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#include "posutil.hh"
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#define AP_DEFAULT_CHANNEL 6
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#define AP_DEFAULT_ANTENNA_GAIN 5
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/// Represents a capture \link WifiDevice Wi-Fi device\endlink
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class AccessPoint: public WifiDevice
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{
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protected:
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Point3D coordinates ;
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unsigned long frequency ; ///< Frequency (channel) in Hz
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float friis_index ; ///< Friis index used by FBCM
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public:
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/**
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* Special parameters:
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* - \em _antenna_gain Antenna gain in dBi.
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* - \em _trx_power Transmit power in dBm.
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* - \em channel Wi-Fi channel the AP is listening to (integer
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* between 1 and 14). It will be converted to a frequency in Hz.
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*/
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AccessPoint(const Point3D &_coordinates = Point3D(),
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const std::string &_ip_addr = "",
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const std::string &_mac_addr = "",
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const float _antenna_gain = AP_DEFAULT_ANTENNA_GAIN,
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const float _trx_power = WIFIDEVICE_DEFAULT_TRX_POWER,
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const unsigned int &channel = AP_DEFAULT_CHANNEL):
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WifiDevice(_ip_addr, _mac_addr, _antenna_gain, _trx_power),
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coordinates(_coordinates),
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frequency(PosUtil::wifi_channel_to_hz(channel)),
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friis_index(0) {}
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AccessPoint(const WifiDevice &source,
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const Point3D &_coordinates,
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const unsigned int channel = AP_DEFAULT_CHANNEL):
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WifiDevice(source), coordinates(_coordinates),
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frequency(PosUtil::wifi_channel_to_hz(channel)),
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friis_index(0) {}
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AccessPoint(const WifiDevice &source):
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WifiDevice(source), coordinates(Point3D()), frequency(0),
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friis_index(0) {}
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AccessPoint(const AccessPoint &source):
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WifiDevice(source), coordinates(source.coordinates),
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frequency(source.frequency), friis_index(0) {}
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~AccessPoint(void) {}
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/** @name Read accessors */
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//@{
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const Point3D& get_coordinates(void) const ;
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unsigned long get_frequency(void) const ;
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float get_friis_index(void) const ;
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//@}
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/** @name Write accessors */
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//@{
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void set_coordinates(const Point3D &_coordinates) ;
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void set_channel(const unsigned int channel) ;
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void set_frequency(const unsigned long _frequency) ;
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void set_friis_index(const float _friis_index) ;
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//@}
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/** @name Operators */
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//@{
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AccessPoint& operator=(const AccessPoint &source) ;
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bool operator==(const AccessPoint &source) const ;
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bool operator!=(const AccessPoint &source) const ;
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//@}
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/// Displays an AccessPoint
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friend std::ostream &operator<<(std::ostream &os, const AccessPoint &ap) ;
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} ;
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/* *** Read accessors *** */
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inline const Point3D& AccessPoint::get_coordinates() const
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{
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return coordinates ;
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}
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inline unsigned long AccessPoint::get_frequency() const
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{
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return frequency ;
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}
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inline float AccessPoint::get_friis_index() const
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{
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return friis_index ;
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}
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/* *** Write accessors *** */
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inline void AccessPoint::set_coordinates(const Point3D &_coordinates)
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{
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coordinates = _coordinates ;
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}
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/**
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* @param channel A Wi-Fi channel (integer between 1 and 14). It will
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* be converted into a frequency in Hz and affected to #frequency. If
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* it is not a Wi-Fi channel number, 0 will be affected to #frequency.
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*/
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inline void AccessPoint::set_channel(const unsigned int channel)
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{
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set_frequency(PosUtil::wifi_channel_to_hz(channel)) ;
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}
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/**
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* Sets #frequency with the value of the parameter \em _frequency. No
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* control is done, so you should pass a correct value.
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*
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* Note that set_channel() is more secure because a wrong channel
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* number will cause #frequency to be set to zero.
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*/
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inline void AccessPoint::set_frequency(const unsigned long _frequency)
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{
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frequency = _frequency ;
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}
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inline void AccessPoint::set_friis_index(const float _friis_index)
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{
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friis_index = _friis_index ;
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}
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/* *** Operators *** */
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inline bool AccessPoint::operator!=(const AccessPoint &source) const
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{
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return !(*this == source) ;
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}
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#endif // _OWLPS_POSITIONING_ACCESSPOINT_HH_
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