192 lines
5.9 KiB
C++
192 lines
5.9 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-Comte
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* (Université de Franche-Comté), France.
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*
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* Copyright © Université de Franche-Comté 2007-2012.
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*
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* Corresponding author: Matteo Cypriani <mcy@lm7.fr>
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*
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***********************************************************************
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*
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* This software is governed by the CeCILL license under French law and
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* abiding by the rules of distribution of free software. You can use,
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* modify and/or redistribute the software under the terms of the CeCILL
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* license as circulated by CEA, CNRS and INRIA at the following URL:
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* http://www.cecill.info
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*
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* As a counterpart to the access to the source code and rights to copy,
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* modify and redistribute granted by the license, users are provided
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* only with a limited warranty and the software's authors, the holder
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* of the economic rights, and the successive licensors have only
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* limited liability.
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*
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* In this respect, the user's attention is drawn to the risks
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* associated with loading, using, modifying and/or developing or
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* reproducing the software by the user in light of its specific status
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* of free software, that may mean that it is complicated to manipulate,
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* and that also therefore means that it is reserved for developers and
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* experienced professionals having in-depth computer knowledge. Users
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* are therefore encouraged to load and test the software's suitability
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* as regards their requirements in conditions enabling the security of
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* their systems and/or data to be ensured and, more generally, to use
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* and operate it in the same conditions as regards security.
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*
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* The fact that you are presently reading this means that you have had
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* knowledge of the CeCILL license and that you accept its terms.
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*
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***********************************************************************
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*/
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#include "inputcsv.hh"
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#include "posutil.hh"
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#include "posexcept.hh"
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#include "stock.hh"
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#include "calibrationrequest.hh"
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#include "configuration.hh"
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#include <iostream>
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#include <boost/tr1/unordered_map.hpp>
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using namespace std ;
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using std::tr1::unordered_map ;
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/* *** Operations *** */
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/**
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* This function fills the current Request from the CSV input file.
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* Blank lines and lines containing only spaces are skipped until a line
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* containing a request is found.
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*
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* @returns \em true if #current_request was correctly filled.
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* @returns \em false in case of error (file not opened, end of file,
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* invalid field or wrong number of fields in the line).
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*/
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bool InputCSV::fill_current_request()
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{
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if (! file.next_line()) // End of file or error
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return false ;
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++current_line_nb ;
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// Read Mobile MAC field
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string mac_mobile ;
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if (! file.read_field(mac_mobile)) // Wrong number of fields
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{
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if (Configuration::is_configured("verbose"))
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cerr << "InputCSV: cannot read mac_mobile.\n" ;
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return false ;
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}
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PosUtil::to_upper(mac_mobile) ;
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if (! Configuration::bool_value("positioning.accept-new-mobiles") &&
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! Stock::mobile_exists(mac_mobile))
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return false ;
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const Mobile &mobile = Stock::find_create_mobile(mac_mobile) ;
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current_request->set_mobile(&mobile) ;
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// Read request type
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uint_fast8_t type ;
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uint_fast16_t type_r ;
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if (! file.read_field(type_r))
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{
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// Wrong number of fields
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if (Configuration::is_configured("verbose"))
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cerr << "InputCSV: cannot read type.\n" ;
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return false ;
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}
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type = type_r ;
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current_request->set_type(type) ;
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// Read the number of packets
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uint_fast16_t nb_packets ;
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if (! file.read_field(nb_packets))
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{
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// Wrong number of fields
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if (Configuration::is_configured("verbose"))
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cerr << "InputCSV: cannot read the number of packets.\n" ;
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return false ;
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}
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current_request->set_nb_packets(nb_packets) ;
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// Read Timestamp field
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Timestamp timestamp ;
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if (! file.read_timestamp(timestamp))
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{
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// Wrong number of fields
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if (Configuration::is_configured("verbose"))
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cerr << "InputCSV: cannot read timestamp.\n" ;
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return false ;
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}
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current_request->set_time_sent(timestamp) ;
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// Read position fields
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Point3D position ;
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if (! file.read_point3d(position))
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{
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// Wrong number of fields
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if (Configuration::is_configured("verbose"))
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cerr << "InputCSV: cannot read coordinates.\n" ;
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return false ;
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}
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// Read direction field
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Direction direction ;
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int direction_int ;
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if (! file.read_field(direction_int))
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{
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// Wrong number of fields
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if (Configuration::is_configured("verbose"))
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cerr << "InputCSV: cannot read direction.\n" ;
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return false ;
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}
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if (direction_int != 0)
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direction = direction_int ;
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// Reading all the {AP_MAC;Packet_ID;SS}
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unordered_map<string, Measurement> measurements ;
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string mac_ap ;
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while (file.read_field(mac_ap))
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{
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pkt_id_t packet_id ;
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if (! file.read_field(packet_id))
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{
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// Wrong number of fields
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if (Configuration::is_configured("verbose"))
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cerr << "InputCSV: cannot read the packet ID.\n" ;
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return false ;
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}
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int_fast16_t ss ;
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if (! file.read_field(ss))
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{
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// Wrong number of fields
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if (Configuration::is_configured("verbose"))
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cerr << "InputCSV: cannot read the signal strength.\n" ;
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return false ;
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}
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PosUtil::to_upper(mac_ap) ;
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if (! Configuration::bool_value("positioning.accept-new-aps") &&
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! Stock::ap_exists(mac_ap))
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continue ;
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const AccessPoint &ap = Stock::find_create_ap(mac_ap) ;
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measurements[mac_ap].set_ap(&ap) ;
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measurements[mac_ap].add_ss(packet_id, ss) ;
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}
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if (measurements.empty())
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return false ;
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current_request->set_measurements(measurements) ;
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// Calibration request?
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fill_calibration_request_data(mac_mobile, position, direction, type) ;
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return true ;
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}
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