#!/usr/bin/perl
#
-# IPFire HDD Shutdown
+# IPFire HDD Shutdown state reader
#
# This code is distributed under the terms of the GPL
#
-# 13.05.2006 Arne Fitzenreiter
-#
+# 18.09.2007 Maniacikarus - IPFire.org - maniacikarus@ipfire.org
+# 22.09.2007 Arne_F - fitzenreiter.de - arne@fitzenreiter.de
# begin
-sub shutdown_hdd {
-
- my $hdd = $_[0];
- my $hdddev = "/dev/$_[0]";
-
- my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size,
- $atime, $mtime, $ctime, $blksize, $blocks) = stat($hdddev);
-
- my $major = $rdev >> 8;
- my $minor = ($rdev & 0xFF) >> 6;
-
- open STAT, "/tmp/hddshutdown-stat";
- my @diskstat = <STAT>;
- close (STAT);
- foreach my $line (@diskstat)
- {
- chomp ($line);
- my @temp = split(/\:\ /,$line);
- if ($temp[1]) {
- my @devicestat = split(/\ /,$temp[1]);
- foreach my $stats (@devicestat)
- {
- chomp ($stats);
- my @fields = split(/\((\d+),(\d+)\):\((\d+),(\d+),(\d+),(\d+),(\d+)/,$stats);
- if ($major eq $fields[1] and $minor eq $fields[2])
- {
- $lastreadwritereq = $fields[3];
- }
- }
- }
+my @devices = `kudzu -qps -c HD | grep device: | cut -d" " -f2 | sort | uniq`;
+my $diskstats = "";
+my $newdiskstats = "";
+my $debug = 1;
+my $status = "";
+
+if ($debug){print "### Searching for available Disks ###\n";}
+
+foreach (@devices){
+ chomp $_;
+ my @array = split(/\//,$_);
+ $diskstats = `cat /var/run/hddstats-$array[$#array]`;
+ chomp $diskstats;
+ $newdiskstats = `iostat -d -t $_ | tail -2 | head -1 | awk '{ print \$5","\$6}'`;
+ chomp $newdiskstats;
+ $status = `hdparm -C /dev/$_ | tail -1 | cut -d: -f2`;
+ chomp $status;
+
+ if ($debug){print "Device ".$_." IDE Power status:".$status."\n";}
+ if (-e "/var/run/hddshutdown-$array[$#array]" && $status !~/standby/)
+ {
+ if ($debug){print "Remove wrong standby marking\n";}
+ if ( -e "/var/run/hddshutdown-$array[$#array]" ) { system("unlink /var/run/hddshutdown-$array[$#array]"); }
+ }
+
+ if ($debug){print "Device ".$_." has ".$newdiskstats." write and read Requests, was ".$diskstats." at last run.\n";}
+ if ($diskstats eq $newdiskstats && (! -e "/var/run/hddshutdown-$array[$#array]") )
+ {
+ if ($debug){print "Setting Device ".$_." to standby ... ";}
+ $status = `hdparm -y /dev/$_ 2>&1`;
+ chomp $status;
+ if ($status !~/Invalid/)
+ {
+ if ($debug){print "OK\n";}
+ system("touch /var/run/hddshutdown-$array[$#array]");
}
-
- open STAT, "/proc/stat";
- my @diskstat = <STAT>;
- close (STAT);
- foreach my $line (@diskstat)
+ else
{
- chomp ($line);
- my @temp = split(/\:\ /,$line);
- if ($temp[1]) {
- my @devicestat = split(/\ /,$temp[1]);
- foreach my $stats (@devicestat)
- {
- chomp ($stats);
- my @fields = split(/\((\d+),(\d+)\):\((\d+),(\d+),(\d+),(\d+),(\d+)/,$stats);
- if ($major eq $fields[1] and $minor eq $fields[2])
- {
- $readwritereq = $fields[3];
- }
- }
- }
+ if ($debug){print "FAIL\n";}
}
-
- if (! -e "/tmp/hddshutdown-$hdd" ) { system("echo 0 > /tmp/hddshutdown-$hdd"); }
-
- if ($readwritereq==$lastreadwritereq) {
- open STAT,"/tmp/hddshutdown-$hdd";
- my $lastsleepstate = <STAT>;
- close (STAT);
- if (! ($lastsleepstate==$readwritereq)) {
- system("hdparm -y $hdddev");
- system("logger -t ipcop Shuting down $hdddev !");
- system("echo $readwritereq > /tmp/hddshutdown-$hdd");
- }
- }
-
-}
-
-if ( -e "/tmp/hddshutdown-stat" ) {
- if (open STAT,"/dev/hda") {
- close STAT;
- shutdown_hdd("hda");
- }
- if (open STAT,"/dev/hdb") {
- close STAT;
- shutdown_hdd("hdb");
- }
- if (open STAT,"/dev/hdc") {
- close STAT;
- shutdown_hdd("hdc");
- }
- if (open STAT,"/dev/hdd") {
- close STAT;
- shutdown_hdd("hdd");
- }
- if (open STAT,"/dev/hde") {
- close STAT;
- shutdown_hdd("hde");
- }
- if (open STAT,"/dev/hdf") {
- close STAT;
- shutdown_hdd("hdf");
- }
- if (open STAT,"/dev/hdg") {
- close STAT;
- shutdown_hdd("hdg");
- }
- if (open STAT,"/dev/hdh") {
- close STAT;
- shutdown_hdd("hdh");
- }
-
+ }
+ if ($diskstats ne $newdiskstats)
+ {
+ if ($debug){print "Device ".$_." is active.\n";}
+ if ( -e "/var/run/hddshutdown-$array[$#array]" ) { system("unlink /var/run/hddshutdown-$array[$#array]"); }
+ }
+ system("echo $newdiskstats > /var/run/hddstats-$array[$#array]");
}
-system("cp /proc/stat /tmp/hddshutdown-stat");
# end