39 lines
988 B
C++
39 lines
988 B
C++
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#include <string>
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#include <sstream>
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#include <fstream>
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#include <unistd.h>
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#include "../luts.h"
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std::string load_string( bool use_colors = false ) {
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std::ostringstream oss;
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std::ifstream loadavg_file( "/proc/loadavg" );
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std::string load_line;
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std::getline( loadavg_file, load_line );
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loadavg_file.close();
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if( use_colors ) {
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// Likely does not work on BSD, but not tested
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unsigned number_of_cpus = sysconf( _SC_NPROCESSORS_ONLN );
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float recent_load = stof(load_line.substr( 0, 4 ));
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// colors range from zero to twice the number of cpu's
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// for the most recent load metric
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unsigned load_percent = static_cast< unsigned int >(
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recent_load / number_of_cpus * 0.5f * 100.0f );
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if( load_percent > 100 )
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load_percent = 100;
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oss << load_lut[load_percent];
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}
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oss << load_line.substr( 0, 14 );
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if( use_colors )
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oss << "#[fg=default,bg=default]";
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return oss.str();
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}
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