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#!/usr/bin/env perl

# $Id: setup.pl,v 1.19 2004/08/27 09:58:33 laggyluke Exp $

# include PERL libraries
use strict;
use warnings;
use diagnostics;

# include HotSaNIC libraries
use lib "../../lib";
use lib "./platform";
use HotSaNICparser;
use HotSaNICshellio;
use HotSaNIClog;
use common;

$|=1;

(my $VERSION = '$Revision: 1.19 $') =~ s/.*(\d+\.\d+).*/$1/;
(my $IDENTIFIER = '$Id: setup.pl,v 1.19 2004/08/27 09:58:33 laggyluke Exp $') =~ s/.*,v (.*) \$/$1/;

my $MODNAME=HotSaNICparser::get_module_name();
my %MODCONF=HotSaNICmod::common::configure();
my $OUTFILE="settings.new";
if ( ! -e "settings" ) { $OUTFILE="settings"; }
open OUTFILE,">$OUTFILE" || die "could not open ".HotSaNICparser::get_module_name()." settings file for writing.\n";

if (! @{$MODCONF{SENSOR}}) { @{$MODCONF{SENSOR}}=get_sensors(); }
if (@{$MODCONF{SENSOR}}) { $MODCONF{SENSOR}="SENSOR=\"".join("\"\nSENSOR=\"",@{$MODCONF{SENSOR}})."\""; }
else { $MODCONF{SENSOR}=""; }

print OUTFILE "# SHORT DESCRIPTION
#
# all entries have to be of the form:
# SENSOR=<device-file>,<dbname>,<description>,<entry>,<scale-factor>,<add>,<unit>,<min>,<max>
#
# <device-file>  path to the file under /proc which holds the device-data
#                You may also enter a binary here, followed by a pipe symbol (|)
#
# <dbname>       an unique filename for the database
#
# <description>  a brief description for the webpage
#
# <entry>        2 for fan-speed and 3 for temperature and voltage
#                this represents the position of the value in the
#                proc-file
#
# <scale-factor> correction-factor to scale the data correctly
#                ( to understand this look at the lm_sensors howto )
#
# <add>          value to add to shift the data correctly
#                ( for e.g. +12V - see lm_sensors howto )
#
# <unit>         unit to be shown in diagrams and on webpage
#                ( for example °C, V, Volts, RPM etc... )
#
# <min>,<max>    allowed value for this sensor
#                these should be set according to the sensors warning levels
#                the min/max range is shown in the diagrams by pink lines
#
# Examples:
#
# SENSOR=/proc/sys/dev/sensors/gl518sm-i2c-0-2d/temp,temp,CPU temp,3,1,0,°C,50,60
#
# SENSOR=\"/usr/sbin/hddtemp -n /dev/hda |\",hda,HDD1,1,1,0,°C,40,60
#
#
# FreeBSD and NetBSD  Users:
# The fields are the same as above but the folowing with a different meaning:
#
# <device-file>  use 'mbmon' if you want to read date from it, be sure to have it installed,
#                or fill in the path to a program. 
#                and one value per line
#
# <dbname>       an unique filename for the database and for mbmon it is the Data line to
#                store - check output from 'mbmon -rc1'. It's case sensitive.
#
# <entry>        entry isn't used by mbmon. If you have configured another program, entry
#                is the line where your data is.
#
# Example:
# SENSOR=mbmon,TEMP0,Temperature 0,0,1,0,°C,0,50
# SENSOR=\"/usr/sbin/hddtemp -n /dev/hda |\",hda,HDD1,1,1,0,°C,40,60
#
$MODCONF{SENSOR}
";

close OUTFILE;

if ($OUTFILE eq "settings.new") {
  HotSaNICparser::backup_file("settings");
  rename "settings.new","settings";
  }

if ($^O eq "freebsd" || $^O eq "netbsd" ) {
    my $mbmon=`which mbmon`;
    chomp $mbmon;
    if ( ! $mbmon ) {
        print "sensor module on ",$^O," needs mbmon to work propperly.\n";
        print "look out for mbmon in your package/ports-tree ";
        print "or\n  http://www.nt.phys.kyushu-u.ac.jp/shimizu/download/download.html. \n";
        print "Please ensure you have this installed and rerun setup.pl\n\n";
        exit 0;
    } else {
        open FILE,">> settings"
            or die "cant open settings: $!";
        print FILE "SENSOR=mbmon,TEMP0,Temperature 0,0,1,0,°C,0,50\n";
        close FILE;
    }
}

print "Please check the settings file and adapt it to satisfy your needs.
for your info: this configuration is a bit tricky\n";


sub get_sensors {
  my @files=();
  if ( -e "/proc/sys/dev/sensors") {
    require File::Find;
    $File::Find::name="";  # suppress stupid warning...
    File::Find::find( {wanted => sub { lstat($_) && -f _ && push @files, $File::Find::name; } }, "/proc/sys/dev/sensors");
    }

  print "\n";

  my @sensors=();
  for my $file (@files) {
    if ( $file !~ /sensors\/(eeprom|chips)/ ) {
      print $file,":\n";
      open FILE,$file;
      my $line=<FILE> || "";
      chomp $line;
      print "  ",$line,"\n";
      close FILE;
      my $input=HotSaNICshellio::askyesno("Do you want to use this file","n");
      if ($input eq "y") {
        # configure sensor
        #
        my @entries=split /\s/,$line;
        (my $dbname=$file) =~ s/.*\///g;
        my $descr="value";
        my $unit="units";
        my $device="some";
        my $entry=$#entries+1;
        my $min=(shift @entries)*1;  # *1 to eliminate zeros after decimal point
        my $max=$min;
        if ($entry > 2) { $max=(shift @entries)*1; }
        if ($min > $max) { ($min,$max)=($max,$min); }
        if ( $dbname =~ /temp/ ) { $unit="°C"; $descr="temperature"; }
        elsif ( $dbname =~ /v/ ) { $unit="Volts"; $descr="voltage"; }
        elsif ( $dbname =~ /fan/ ) { $unit="RPM"; $descr="speed"; }
        if ( $dbname =~ /vdd/) { $device="CPU"; }
        push @sensors,"$file,$dbname,$device $descr,$entry,1,0,$unit,$min,$max"
        }
      }
    print "\n";
    }
  return @sensors;
  }