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127 lines
2.7 KiB
127 lines
2.7 KiB
/*
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KSysGuard, the KDE System Guard
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Copyright (c) 1999 - 2001 Chris Schlaeger <cs@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of version 2 of the GNU General Public
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License as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <fcntl.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "Command.h"
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#include "ksysguardd.h"
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#include "apm.h"
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static int ApmOK = 0;
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static int BatFill, BatTime;
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#define APMBUFSIZE 128
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static char ApmBuf[ APMBUFSIZE ];
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static int Dirty = 0;
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static void processApm( void )
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{
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sscanf( ApmBuf, "%*f %*f %*x %*x %*x %*x %d%% %d min",
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&BatFill, &BatTime );
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Dirty = 0;
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}
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/*
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================================ public part =================================
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*/
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void initApm( struct SensorModul* sm )
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{
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if ( updateApm() < 0 ) {
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ApmOK = -1;
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return;
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} else
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ApmOK = 1;
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registerMonitor( "apm/batterycharge", "integer", printApmBatFill, printApmBatFillInfo, sm );
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registerMonitor( "apm/remainingtime", "integer", printApmBatTime, printApmBatTimeInfo, sm );
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}
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void exitApm( void )
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{
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ApmOK = -1;
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}
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int updateApm( void )
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{
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size_t n;
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int fd;
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if ( ApmOK < 0 )
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return -1;
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if ( ( fd = open( "/proc/apm", O_RDONLY ) ) < 0 ) {
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if ( ApmOK != 0 )
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print_error( "Cannot open file \'/proc/apm\'!\n"
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"The kernel needs to be compiled with support\n"
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"for /proc filesystem enabled!\n" );
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return -1;
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}
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if ( ( n = read( fd, ApmBuf, APMBUFSIZE - 1 ) ) == APMBUFSIZE - 1 ) {
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log_error( "Internal buffer too small to read \'/proc/apm\'" );
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close( fd );
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return -1;
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}
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close( fd );
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ApmBuf[ n ] = '\0';
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Dirty = 1;
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return 0;
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}
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void printApmBatFill( const char* cmd )
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{
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(void)cmd;
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if ( Dirty )
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processApm();
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fprintf( CurrentClient, "%d\n", BatFill );
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}
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void printApmBatFillInfo( const char* cmd )
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{
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(void)cmd;
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fprintf( CurrentClient, "Battery charge\t0\t100\t%%\n" );
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}
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void printApmBatTime( const char* cmd )
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{
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(void)cmd;
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if ( Dirty )
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processApm();
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fprintf( CurrentClient, "%d\n", BatTime );
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}
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void printApmBatTimeInfo( const char* cmd )
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{
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(void)cmd;
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fprintf( CurrentClient, "Remaining battery time\t0\t0\tmin\n" );
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}
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