162 lines
4.3 KiB
C++
162 lines
4.3 KiB
C++
/*
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* This file is part of the Owl Positioning System (OwlPS) project.
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* It is subject to the copyright notice and license terms in the
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* COPYRIGHT.t2t file found in the top-level directory of this
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* distribution and at
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* https://code.lm7.fr/mcy/owlps/src/master/COPYRIGHT.t2t
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* No part of the OwlPS Project, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms
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* contained in the COPYRIGHT.t2t file; the COPYRIGHT.t2t file must be
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* distributed along with this file, either separately or by replacing
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* this notice by the COPYRIGHT.t2t file's contents.
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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 <unordered_map>
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using namespace std ;
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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 `true` if #current_request was correctly filled.
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* @returns `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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/* CSV format version */
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uint_fast16_t csv_format_version ;
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if (! read_field(csv_format_version, "the CSV format version"))
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return false ;
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// Check the CSV format
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switch (csv_format_version)
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{
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case 1 :
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// Format 1 is the only one we handle for now.
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break ;
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default :
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cerr << "InputCSV: CSV format version " << csv_format_version
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<< " is not handled!\n" ;
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return false ;
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}
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/* Mobile's MAC */
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string mac_mobile ;
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if (! read_field(mac_mobile, "mobile's MAC address"))
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return false ;
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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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/* Request type */
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uint_fast8_t type ;
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uint_fast16_t type_r ;
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if (! read_field(type_r, "the request's type"))
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return false ;
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type = type_r ;
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current_request->set_type(type) ;
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/* Number of packets */
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uint_fast16_t nb_packets ;
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if (! read_field(nb_packets, "the number of packets"))
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return false ;
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current_request->set_nb_packets(nb_packets) ;
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/* Timestamp */
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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 the request's 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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/* Position */
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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 the mobile's coordinates.\n" ;
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return false ;
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}
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/* Direction */
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Direction direction ;
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int direction_int ;
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if (! read_field(direction_int, "the mobile's direction"))
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return false ;
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if (direction_int != 0)
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direction = direction_int ;
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/* Read all the {CP_MAC;Packet_ID;SS} */
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unordered_map<string, Measurement> measurements ;
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string mac_cp ;
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while (file.read_field(mac_cp))
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{
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pkt_id_t packet_id ;
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if (! read_field(packet_id, "the packet ID"))
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return false ;
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// Note: the initialisation is useless but avoids a compilation
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// warning.
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int_fast16_t ss = 0 ;
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if (! read_field(ss, "the signal strength"))
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return false ;
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PosUtil::to_upper(mac_cp) ;
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if (! Configuration::bool_value("positioning.accept-new-cps") &&
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! Stock::cp_exists(mac_cp))
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continue ;
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const CapturePoint &cp = Stock::find_create_cp(mac_cp) ;
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measurements[mac_cp].set_cp(&cp) ;
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measurements[mac_cp].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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