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//
// Copyright (c) 2001 by Tim Ehlers ( tehlers@gwdg.de )
//
// This file may be distributed under terms of the GPL
//
//
#include "wirelessmeter.h"
#include <stdlib.h>
#include <stdio.h>
#include <glob.h>
#include <fstream>
#include <iostream>
WirelessMeter::WirelessMeter( XOSView *parent, int ID, const char *wlID)
: FieldMeterGraph ( parent, 2, wlID, "LINK/LEVEL", 1, 1, 0 ), _number(ID) {
_lastquality = -1;
_lastlink = true;
total_ = 0;
}
WirelessMeter::~WirelessMeter( void ){
}
void WirelessMeter::checkResources( void ){
FieldMeterGraph::checkResources();
_poorqualcol = parent_->allocColor(parent_->getResource( "PoorQualityColor" ));
_fairqualcol = parent_->allocColor(parent_->getResource( "FairQualityColor" ));
_goodqualcol = parent_->allocColor(parent_->getResource( "GoodQualityColor" ));
setfieldcolor( 1, parent_->getResource( "wirelessUsedColor" ) );
priority_ = atoi(parent_->getResource( "wirelessPriority" ) );
dodecay_ = parent_->isResourceTrue( "wirelessDecay" );
SetUsedFormat(parent_->getResource( "wirelessUsedFormat" ) );
}
void WirelessMeter::checkevent( void ){
getpwrinfo();
drawfields();
}
void WirelessMeter::getpwrinfo( void ){
std::ifstream loadinfo( WLFILENAME );
if ( !loadinfo ){
std::cerr << "Can not open file : " << WLFILENAME << std::endl;
parent_->done(1);
return;
}
char buff[16];
int linkq = 0, quality = 0;
bool link = false;
// skip the two header rows
loadinfo.ignore(1024, '\n');
loadinfo.ignore(1024, '\n');
if ( _devname.empty() ) { // find devname on first run
for (int i = 0; i < _number; i++)
loadinfo.ignore(1024, '\n');
if ( loadinfo.good() )
loadinfo >> _devname >> buff >> linkq;
}
else {
while ( !loadinfo.eof() ) {
loadinfo >> buff;
if ( _devname == buff ) {
loadinfo >> buff >> linkq;
link = true;
break;
}
loadinfo.ignore(1024, '\n');
}
}
if ( linkq >= 250 )
linkq = 0;
fields_[0] = linkq;
if ( fields_[0] >= 15 )
quality = 2;
else if ( fields_[0] >= 7 )
quality = 1;
else
quality = 0;
if ( link && !_lastlink ) {
legend("LINK/LEVEL");
drawlegend();
_lastlink = link;
}
else if ( !link && _lastlink ) {
legend("NONE/LEVEL");
drawlegend();
_lastlink = link;
}
if ( quality != _lastquality ){
if ( quality == 0 )
setfieldcolor( 0, _poorqualcol );
else if ( quality == 1 )
setfieldcolor( 0, _fairqualcol );
else
setfieldcolor( 0, _goodqualcol );
drawlegend();
_lastquality = quality;
}
if (fields_[0] >= total_)
total_ = 30 * (int)(fields_[0] / 30 + 1);
fields_[1] = total_ - fields_[0];
setUsed(fields_[0], total_);
}
int WirelessMeter::countdevices(void){
glob_t gbuf;
glob("/sys/class/net/*/wireless", 0, NULL, &gbuf);
int count = gbuf.gl_pathc;
globfree(&gbuf);
return count;
}
const char *WirelessMeter::wirelessStr(int num) {
static char buffer[8] = "WL";
snprintf(buffer + 2, 5, "%d", num);
buffer[7] = '\0';
return buffer;
}
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