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# sysv-lib.pl
# Functions for parsing sysv-style ps output
$has_stime = $gconfig{'os_type'} eq 'solaris';
$has_task = $gconfig{'os_type'} eq 'solaris' && $gconfig{'os_version'} >= 10;
$has_zone = $gconfig{'os_type'} eq 'solaris' && $gconfig{'os_version'} >= 10;
# list_processes([pid]*)
sub list_processes
{
local($line, $dummy, @w, $i, $_, $pcmd, @plist);
foreach (@_) { $pcmd .= " -p $_"; }
if (!$pcmd) { $pcmd = " -e"; }
$ENV{'COLUMNS'} = 10000; # needed on AIX
local @cols = ( "user","ruser","group","rgroup","pid","ppid","pgid","pcpu","vsz",
"nice","etime","time",
($has_stime ? ("stime") : ( )),
($has_task ? ("taskid") : ( )),
($has_zone ? ("zone") : ( )),
"tty","args" );
open(PS, "ps -o ".join(",", @cols)." $pcmd |");
$dummy = <PS>;
for($i=0; $line=<PS>; $i++) {
chop($line);
$line =~ s/^\s+//g;
@w = split(/\s+/, $line);
if ($line =~ /ps -o user,ruser/) {
# Skip ps command
$i--; next;
}
$plist[$i]->{"pid"} = $w[4];
$plist[$i]->{"ppid"} = $w[5];
$plist[$i]->{"user"} = $w[0];
$plist[$i]->{"cpu"} = "$w[7] %";
$plist[$i]->{"size"} = "$w[8] kB";
local $ofs = 0;
if ($has_stime) {
$plist[$i]->{"_stime"} = $w[12+$ofs];
$plist[$i]->{"_stime"} =~ s/_/ /g;
$ofs++;
}
if ($has_task) {
$plist[$i]->{"_task"} = $w[12+$ofs];
$ofs++;
}
if ($has_zone) {
$plist[$i]->{"_zone"} = $w[12+$ofs];
$ofs++;
}
$plist[$i]->{"time"} = $w[11];
$plist[$i]->{"nice"} = $w[9] =~ /\d+/ ? $w[9]-20 : $w[9];
$plist[$i]->{"args"} = @w<14+$ofs ? "defunct"
: join(' ', @w[13+$ofs..$#w]);
$plist[$i]->{"_group"} = $w[2];
$plist[$i]->{"_ruser"} = $w[1];
$plist[$i]->{"_rgroup"} = $w[3];
$plist[$i]->{"_pgid"} = $w[6];
$plist[$i]->{"_tty"} = $w[12+$ofs] =~ /\?/ ? $text{'edit_none'}
: "/dev/$w[12+$ofs]";
}
close(PS);
return @plist;
}
# find_mount_processes(mountpoint)
# Find all processes under some mount point
sub find_mount_processes
{
local($out);
$out = `fuser -c $_[0] 2>/dev/null`;
$out =~ s/^\s+//g; $out =~ s/\s+$//g;
return split(/\s+/, $out);
}
# find_file_processes([file]+)
# Find all processes with some file open
sub find_file_processes
{
local($out, $files);
$files = join(' ', map { quotemeta($_) } map { glob($_) } @_);
$out = &backquote_command("fuser $files 2>/dev/null");
$out =~ s/^\s+//g; $out =~ s/\s+$//g;
return split(/\s+/, $out);
}
# renice_proc(pid, nice)
sub renice_proc
{
return undef if (&is_readonly_mode());
local $out = &backquote_logged("renice $_[1] -p $_[0] 2>&1");
if ($?) { return $out; }
return undef;
}
# get_new_pty()
# Returns the filehandles and names for a pty and tty
sub get_new_pty
{
if (!-e "/dev/ptyp0") {
# Must use IO::Pty :(
&error("IO::Pty Perl module is not installed");
}
else {
# Need to search through pty files
opendir(DEV, "/dev");
local @ptys = map { "/dev/$_" } (grep { /^pty/ } readdir(DEV));
closedir(DEV);
local ($pty, $tty);
foreach $pty (@ptys) {
open(PTY, "+>$pty") || next;
local $tty = $pty; $tty =~ s/pty/tty/;
open(TTY, "+>$tty") || next;
local $old = select(PTY); $| = 1;
select(TTY); $| = 1; select($old);
return (*PTY, *TTY, $pty, $tty);
}
return ();
}
}
$has_trace_command = $gconfig{'os_type'} eq 'solaris' &&
&has_command("truss");
# open_process_trace(pid, [&syscalls])
# Starts tracing on some process, and returns a trace object
sub open_process_trace
{
local $fh = time().$$;
local $sc;
if (@{$_[1]}) {
$sc = "-t ".join(",", @{$_[1]});
}
local $tpid = open($fh, "truss $sc -i -p $_[0] 2>&1 |");
$line = <$fh>;
return { 'pid' => $_[0],
'tpid' => $tpid,
'fh' => $fh };
}
# close_process_trace(&trace)
# Halts tracing on some trace object
sub close_process_trace
{
kill('TERM', $_[0]->{'tpid'}) if ($_[0]->{'tpid'});
close($_[0]->{'fh'});
}
# read_process_trace(&trace)
# Returns an action structure representing one action by traced process, or
# undef if an error occurred
sub read_process_trace
{
local $fh = $_[0]->{'fh'};
local @tm = localtime(time());
while(1) {
local $line = <$fh>;
return undef if (!$line);
if ($line =~ /^([^\(]+)\((.*)\)(\s*=\s*(\-?\d+)|\s+(Err\S+))?/) {
local $action = { 'time' => time(),
'call' => $1,
'rv' => $4 ne "" ? $4 : $5 };
local $args = $2;
local @args;
while(1) {
if ($args =~ /^[ ,]*(\{[^}]*\})(.*)$/) {
# A structure in { }
push(@args, $1);
$args = $2;
}
elsif ($args =~ /^[ ,]*"([^"]*)"\.*(.*)$/) {
# A quoted string
push(@args, $1);
$args = $2;
}
elsif ($args =~ /^[ ,]*\[([^\]]*)\](.*)$/) {
# A square-bracket number
push(@args, $1);
$args = $2;
}
elsif ($args =~ /^[ ,]*\<([^\>]*)\>(.*)$/) {
# An angle-bracketed string
push(@args, $1);
$args = $2;
}
elsif ($args =~ /[ ,]*([^, ]+)(.*)$/) {
# Just a number
push(@args, $1);
$args = $2;
}
else {
last;
}
}
$action->{'args'} = \@args;
return $action;
}
}
}
# os_get_cpu_info()
# Returns a list containing the 5, 10 and 15 minute load averages
sub os_get_cpu_info
{
local $out = `uptime 2>&1`;
if ($out =~ /load average:\s+(\S+),\s+(\S+),\s+(\S+)/) {
return ($1, $2, $3);
}
else {
return ( );
}
}
# get_memory_info()
# Returns a list containing the real mem, free real mem, swap and free swap
# (In kilobytes).
sub get_memory_info
{
if (!&has_command("kstat")) {
return ( );
}
local %stat;
foreach my $s ("physmem", "freemem") {
local $out = &backquote_command("kstat -p -m unix -s $s");
if ($out =~ /\s+(\d+)/) {
$stat{$s} = $1;
}
}
local ($swaptotal, $swapfree);
&open_execute_command(SWAP, "swap -l", 1);
while(<SWAP>) {
if (/^\S+\s+\d+,\d+\s+\d+\s+(\d+)\s+(\d+)/) {
$swaptotal += $1;
$swapfree += $2;
}
}
close(SWAP);
local $pagesize = &backquote_command("pagesize 2>/dev/null");
$pagesize = int($pagesize)/1024;
$pagesize ||= 8; # Fallback
return ($stat{'physmem'}*$pagesize, $stat{'freemem'}*$pagesize,
$swaptotal/2, $swapfree/2);
}
foreach $ia (keys %text) {
if ($ia =~ /^sysv(_\S+)/) {
$info_arg_map{$1} = $text{$ia};
}
}
delete($info_arg_map{'_stime'}) if (!$has_stime);
@nice_range = (-20 .. 19);
$has_fuser_command = 1;
1;
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