171 lines
3.3 KiB
C++
171 lines
3.3 KiB
C++
/*
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* This file is part of the Owl Positioning System (OwlPS).
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* OwlPS is a project of the University of Franche-Comté
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* (Université de Franche-Comté), France.
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*/
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#include "request.hh"
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#include "mobile.hh"
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using namespace std ;
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using std::tr1::unordered_map ;
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/* *** Constructors *** */
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/**
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* Note that the value pointed by #mobile is not deleted.
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*/
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Request::~Request()
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{
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measurements.clear() ;
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}
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/* *** Write accessors *** */
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inline void Request::clear_real_position()
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{
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if (real_position)
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{
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delete real_position ;
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real_position = NULL ;
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}
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}
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void Request::set_real_position(const Point3D &_real_position)
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{
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if (real_position)
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*real_position = _real_position ;
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else
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real_position = new Point3D(_real_position) ;
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}
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/**
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* - #mobile is NULLified, but the value it pointed to is not deleted.
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* - The fields of #time_sent are initialised to 0.
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* - #measurements is cleared.
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*/
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void Request::clear()
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{
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type = OWL_REQUEST_UNDEFINED ;
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mobile = NULL ;
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time_sent.clear() ;
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measurements.clear() ;
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clear_real_position() ;
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}
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/* *** Operations *** */
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float Request::ss_square_distance(const Request &source) const
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{
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unordered_map<string, Measurement>
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source_measurements(source.measurements),
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my_measurements(measurements) ;
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PosUtil::complete_with_dummy_measurements(
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my_measurements, source_measurements) ;
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return PosUtil::ss_square_distance(
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my_measurements, source_measurements) ;
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}
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/* *** Operators *** */
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Request& Request::operator=(const Request &source)
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{
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if (this == &source)
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return *this ;
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type = source.type ;
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mobile = source.mobile ;
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time_sent = source.time_sent ;
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measurements = source.measurements ;
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clear_real_position() ;
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if (source.real_position)
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real_position = new Point3D(*source.real_position) ;
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return *this ;
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}
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bool Request::operator==(const Request &source) const
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{
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if (this == &source)
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return true ;
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bool real_position_equal =
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real_position &&
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source.real_position &&
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*real_position == *source.real_position ;
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return
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real_position_equal &&
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type == source.type &&
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mobile == source.mobile &&
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time_sent == source.time_sent &&
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measurements == source.measurements ;
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}
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ostream& operator<<(ostream &os, const Request &r)
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{
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// Timestamp
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os << "At " << r.time_sent << "; " ;
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if (r.real_position)
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os << " Real coordinates : " << *r.real_position << "; " ;
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// MAC address
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os
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<< "Type: " << static_cast<uint_fast16_t>(r.type)
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<< ", Mobile: "
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<< (r.mobile != NULL ? r.mobile->get_mac_addr() : "Unknown_Mobile")
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<< ":" ;
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// List of Measurements
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if (r.measurements.empty())
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os << " No values" ;
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else
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for (unordered_map<string, Measurement>::const_iterator i
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= r.measurements.begin() ; i != r.measurements.end() ; ++i)
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os << '\n' << i->first << ": " << i->second ;
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return os ;
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}
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/**
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* The Mobile MAC address and the Timestamp are sufficient to identify
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* uniquely a Request.
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*/
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size_t hash_value(const Request &source)
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{
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size_t seed = 0 ;
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boost::hash_combine(seed, source.type) ;
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boost::hash_combine(seed, source.time_sent) ;
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if (source.mobile)
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boost::hash_combine(seed, source.mobile->get_mac_addr()) ;
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if (source.real_position)
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boost::hash_combine(seed, source.real_position) ;
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return seed ;
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}
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