168 lines
3.9 KiB
C++
168 lines
3.9 KiB
C++
#include "inputcsv.hh"
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#include "posutil.hh"
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#include <stdint.h>
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#include <iostream>
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#include <unordered_map>
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using namespace std ;
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using std::tr1::unordered_map ;
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#include <boost/tokenizer.hpp>
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#include <boost/lexical_cast.hpp>
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using namespace boost ;
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/*** Constructeurs ***/
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InputCSV::InputCSV(const string &filename)
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{
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input_file_name = filename ;
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input_file.open(input_file_name.c_str()) ;
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if (! input_file)
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cerr
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<< "InputCSV::InputCSV(): Error opening input file « "
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<< input_file_name << " »!" << endl ;
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}
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/*** Opérations ***/
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const Request& InputCSV::get_next_request()
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{
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if (! input_file)
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return current_request ;
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string line ;
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// Skipping blank lines
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do
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{
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++current_line ;
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getline(input_file, line) ;
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}
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while (! input_file.eof()
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&& line.find_first_not_of(" \t") == string::npos) ;
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if (input_file.eof())
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{
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// End of file reached: blank current request
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current_request.clear() ;
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return current_request ;
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}
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// Split read string into fields (semicolon-separated)
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tokenizer<escaped_list_separator<char> > tok(
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line, escaped_list_separator<char>('\\', ';', '\"')) ;
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tokenizer<escaped_list_separator<char> >::iterator ti(tok.begin()) ;
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// Read Mobile MAC field
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if (ti == tok.end())
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{
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// Wrong number of fields: blank current request
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current_request.clear() ;
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return current_request ;
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}
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// FIXME! We need to search for the mobile corresponding to the read
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// MAC address and set the mobile pointer in the Request.
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//current_request.set_mobile(NULL) ;
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// Read Timestamp field
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if (++ti == tok.end())
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{
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// Wrong number of fields: blank current request
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current_request.clear() ;
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return current_request ;
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}
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try
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{
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current_request.set_timestamp(PosUtil::ns_to_timespec
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(lexical_cast<uint64_t>(*ti))) ;
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}
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catch (bad_lexical_cast &e)
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{
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cerr
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<< "InputCSV::get_next_request(): Bad value « "
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<< *ti << " » at line "
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<< current_line << ", field « Timestamp », of input file « "
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<< input_file_name << " »!" << endl ;
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current_request.clear() ; // Blank current request
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return current_request ;
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}
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// Read position fields
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float pos[4] ;
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for (int i = 0 ; i < 4 ; ++i)
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{
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if (++ti == tok.end())
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{
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// Wrong number of fields: blank current request
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current_request.clear() ;
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return current_request ;
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}
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try
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{
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pos[i] = lexical_cast<float>(*ti) ;
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}
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catch (bad_lexical_cast &e)
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{
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cerr
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<< "InputCSV::get_next_request(): Bad value « "
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<< *ti << " » at line "
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<< current_line << ", position field #" << i
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<< ", of input file « " << input_file_name << " »!"
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<< endl ;
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current_request.clear() ; // Blank current request
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return current_request ;
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}
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}
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unordered_map<string, Measurement> measurements ;
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// Reading {MAC_AP;SS} couples
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for (++ti ; ti != tok.end() ; ++ti)
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{
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string mac_ap(*ti) ;
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if (++ti == tok.end())
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{
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// Wrong number of fields: blank current request
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current_request.clear() ;
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return current_request ;
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}
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int ss ;
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try
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{
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ss = lexical_cast<int>(*ti) ;
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}
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catch (bad_lexical_cast &e)
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{
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cerr
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<< "InputCSV::get_next_request(): Bad value « "
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<< *ti << " » at line "
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<< current_line
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<< " of input file « " << input_file_name << " »!"
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<< endl ;
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current_request.clear() ; // Blank current request
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return current_request ;
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}
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// Adding value
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measurements[mac_ap].add_ss(ss) ;
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}
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current_request.set_measurements(measurements) ;
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return current_request ;
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}
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