--- projects/cms/source/host/generic/statgrab.pl	2001/01/20 20:04:46	1.3
+++ projects/cms/source/host/generic/statgrab.pl	2001/02/05 17:21:04	1.27
@@ -3,7 +3,7 @@
 #-----------------------------------------------------------------
 # Machine statistics grabber
 #     $Author: tdb $
-#     $Id: statgrab.pl,v 1.3 2001/01/20 20:04:46 tdb Exp $
+#     $Id: statgrab.pl,v 1.27 2001/02/05 17:21:04 tdb Exp $
 #
 # A Perl script to return various information about a host machine
 # by examining the output of some common Unix/Linux commands.
@@ -21,29 +21,48 @@ $| = 1;
 # You'd be silly not to use this ;)
 use strict;
 
+# Paths
+my($topbin) = "/usr/local/sbin/top";
+my($dfbin) = "/usr/bin/df";
+my($usersbin) = "/usr/ucb/users";
+my($unamebin) = "/usr/bin/uname";
+my($uptimebin) = "/usr/bin/uptime";
+
+# Run the following components: -
 &print_ident();
 &include_osver();
+&include_uptime();
 &include_users();
 &include_top();
+&include_disk();
 
+# End the program normally.
 exit(0);
 
 
 
+
+
+
+
+
 # prints out an identifier for this version of statgrab.pl
 # the host should check this when reading data
 # means the host must be checked and updated to work with newer versions.
 sub print_ident() {
-    print '# statgrab.pl $Revision: 1.3 $';
+    print 'version statgrab.pl $Revision: 1.27 $';
     print "\n";
 }
 
 # sub to print pairs of data, separated by a single space character.
-sub print_pair($$) {
-    my($name, $value) = @_;
+# If the second argument is undefined, then the pair is still printed,
+# however, the value shall be displayed as the the 'default' value
+# if the passed value was undefined.
+sub print_pair($$$) {
+    my($default, $name, $value) = @_;
 
     if (!defined $value) {
-        $value = "unknown";
+        $value = $default;
     }
 
     # Remove the trailing linefeed if we've not already done so.
@@ -54,60 +73,191 @@ sub print_pair($$) {
 }
 
 
+# sub to find out disk partition information, if it exists.
+sub include_disk() {
+    
+    # Run the df program.
+    my(@df) = `$dfbin -ak`;
+
+    # Go through each line of the program, looking for each thing we want.
+    my($partition_no) = 0;
+    for (my($i) = 0; $i < $#df; $i++) {
+        my($line) = $df[$i];
+        $line =~ /^(\/[^\s]*)\s*([0-9]*)\s*([0-9]*)\s*([0-9]*)\s*[^\s]*\s*(\/[^\s]*)\s*/;
+        # $4 will not match unless everything before it does...
+        if (defined $5) {
+            my ($filesystem, $kbytes, $used, $avail, $mount) = ($1, $2, $3, $4, $5);
+            &print_pair("unknown", "packet.disk.p$partition_no.attributes.name", $filesystem);
+            &print_pair(0, "packet.disk.p$partition_no.attributes.kbytes", $kbytes);
+            &print_pair(0, "packet.disk.p$partition_no.attributes.used", $used);
+            &print_pair(0, "packet.disk.p$partition_no.attributes.avail", $avail);
+            &print_pair("unknown", "packet.disk.p$partition_no.attributes.mount", $mount);
+            ++$partition_no;
+        }
+    }
+    
+}
+
+# sub to find out the list of all (non-unique) usernames logged
+# in to the machine and how many their are. (not 
 sub include_users() {
 
     # Find out all users on this machine.
-    my($users) = `users`;
-    my(@users) = split(/\s+/, $users);
+    my($users) = `$usersbin`;
+    $users = "\n" unless defined $users;
+    chop $users;
+    my($users_count) = 0;
+    $users_count++ while $users =~ /\w+/g;
+    my($users_list) = $users." ";
 
-    my($users_count) = $#users + 1;
-    my($users_list) = $users;
-
-    &print_pair("packet.users.count", $users_count);
-    &print_pair("packet.users.list", $users_list);
+    &print_pair(0, "packet.users.count", $users_count);
+    &print_pair("unknown", "packet.users.list", $users_list);
 }
 
 
+# sub to run a series of regexps on the output of 'top' to
+# gather various machine statistics.
 sub include_top() {
 
     # Find out some numbers from top.
-    my(@top) = `top -d2 -s1 0`;
+    my(@top) = `$topbin -d2 -s1 0`;
     my($top) = join(" ", @top);
     $top =~ s/\n//g;
 
-    &print_pair("packet.load.load1", $top =~ /load averages:\s*([^\s]+?),/);
-    &print_pair("packet.load.load5", $top =~ /load averages:\s*.+?,\s*([^\s]+?),/);
-    &print_pair("packet.load.load15", $top =~ /load averages:\s*.+?,\s*.+?,\s*([^\s]+?)\s*/);
-    &print_pair("packet.processes.total", $top =~ /([^\s]+?) processes:/);
-    &print_pair("packet.processes.sleeping", $top =~ / ([^\s]+?) sleeping/);
-    &print_pair("packet.processes.zombie", $top =~ / ([^\s]+?) zombie/);
-    &print_pair("packet.processes.stopped", $top =~ / ([^\s]+?) stopped/);
-    &print_pair("packet.processes.cpu", $top =~ /([^\s]+?)\s*on cpu/);
-    &print_pair("packet.cpu.idle", $top =~ /([^\s]+?)% idle/);
-    &print_pair("packet.cpu.user", $top =~ /([^\s]+?)% user/);
-    &print_pair("packet.cpu.kernel", $top =~ /([^\s]+?)% kernel/);
-    &print_pair("packet.cpu.iowait", $top =~ /([^\s]+?)% iowait/);
-    &print_pair("packet.cpu.swap", $top =~ /([^\s]+?)% swap/);
-    &print_pair("packet.memory.real", $top =~ /([^\s]+?)[MG] real/);
-    &print_pair("packet.memory.free", $top =~ /([^\s]+?)[MG] free/);
-    &print_pair("packet.memory.swap_in_use", $top =~ /([^\s]+?)[MG] swap in use/);
-    &print_pair("packet.memory.swap_free", $top =~ /([^\s]+?)[MG] swap free/);
-    
+    &print_pair(0, "packet.load.load1", $top =~ /load averages:\s*([^\s]+?),/);
+    &print_pair(0, "packet.load.load5", $top =~ /load averages:\s*.+?,\s*([^\s]+?),/);
+    &print_pair(0, "packet.load.load15", $top =~ /load averages:\s*.+?,\s*.+?,\s*([^\s]+?)\s/);
+    &print_pair(0, "packet.processes.total", $top =~ /([^\s]+?) processes:/);
+    &print_pair(0, "packet.processes.sleeping", $top =~ / ([^\s]+?) sleeping/);
+    &print_pair(0, "packet.processes.zombie", $top =~ / ([^\s]+?) zombie/);
+    &print_pair(0, "packet.processes.stopped", $top =~ / ([^\s]+?) stopped/);
+    &print_pair(0, "packet.processes.cpu", $top =~ /([^\s]+?)\s*on cpu/);
+    &print_pair(0, "packet.cpu.idle", $top =~ /([^\s]+?)% idle/);
+    &print_pair(0, "packet.cpu.user", $top =~ /([^\s]+?)% user/);
+    &print_pair(0, "packet.cpu.kernel", $top =~ /([^\s]+?)% kernel/);
+    &print_pair(0, "packet.cpu.iowait", $top =~ /([^\s]+?)% iowait/);
+    &print_pair(0, "packet.cpu.swap", $top =~ /([^\s]+?)% swap/);
+
+    # The following need to be specified in megabytes.
+    # If they are preceeded by a G, then multiply by 1024.   
+
+    $top =~ /([^\s]+?)([MG]) real/;
+    my($real) = $1;
+    $real*=1024 if $2 eq "G";
+    &print_pair(0, "packet.memory.total", $real);
+
+    $top =~ /([^\s]+?)([MG]) free/;
+    my($free) = $1;
+    $free*=1024 if $2 eq "G";
+    &print_pair(0, "packet.memory.free", $free);
+
+    $top =~ /([^\s]+?)([MG]) swap in use/;
+    my($swap_in_use) = $1;
+    $swap_in_use*=1024 if $2 eq "G";
+    # DO NOT print this one out... save it for in a moment...
+
+    $top =~ /([^\s]+?)([MG]) swap free/;
+    my($swap_free) = $1;
+    $swap_free*=1024 if $2 eq "G";
+    &print_pair(0, "packet.swap.free", $swap_free);
+
+    # AJ requested total swap instead of swap_in_use, so here we go!
+    &print_pair(0, "packet.swap.total", $swap_free + $swap_in_use);
 }
 
+# sub to get details of the machine's operating system.
 sub include_osver() {
 
     # Find out details about the operating system
-    my($os_name) = `uname -s`;
-    my($os_release) = `uname -r`;
-    my($os_platform) = `uname -m`;
-    my($os_sysname) = `uname -n`;
-    my($os_version) = `uname -v`;
+    # If these values remain undefined, then the print_pair
+    # function shall show the value to be the string "unknown".
+    my($os_name) = `$unamebin -s`;
+    my($os_release) = `$unamebin -r`;
+    my($os_platform) = `$unamebin -m`;
+    my($os_sysname) = `$unamebin -n`;
+    my($os_version) = `$unamebin -v`;
 
-    &print_pair("packet.os.name", $os_name);
-    &print_pair("packet.os.release", $os_release);
-    &print_pair("packet.os.platform", $os_platform);
-    &print_pair("packet.os.sysname", $os_sysname);
-    &print_pair("packet.os.version", $os_version);
+    &print_pair("unknown", "packet.os.name", $os_name);
+    &print_pair("unknown", "packet.os.release", $os_release);
+    &print_pair("unknown", "packet.os.platform", $os_platform);
+    &print_pair("unknown", "packet.os.sysname", $os_sysname);
+    &print_pair("unknown", "packet.os.version", $os_version);
+
+}
+
+# sub to get system uptime.
+sub include_uptime() {
+
+    # debug stuff, all the different cases
+
+    # normal
+    #my($uptime) = "  4:48pm  up 49 day(s),  6:30,  201 users,  load average: 0.33, 0.35, 0.38\n";
+    # 0 days
+    #my($uptime) = "  4:48pm  up 6:30,  201 users,  load average: 0.33, 0.35, 0.38\n";
+    # 0 hours
+    #my($uptime) = "  4:48pm  up 49 day(s),  30 min(s),  201 users,  load average: 0.33, 0.35, 0.38\n";
+    # 0 mins
+    #my($uptime) = "  4:48pm  up 49 day(s),  6 hr(s),  201 users,  load average: 0.33, 0.35, 0.38\n";
+    # 0 days and 0 mins
+    #my($uptime) = "  4:48pm  up 6 hr(s),  201 users,  load average: 0.33, 0.35, 0.38\n";
+    # 0 days and 0 hours
+    #my($uptime) = "  4:48pm  up 30 min(s),  201 users,  load average: 0.33, 0.35, 0.38\n";
+    # 0 hours and 0 mins
+    #my($uptime) = "  4:48pm  up 49 day(s), 201 users,  load average: 0.33, 0.35, 0.38\n";
+
+    # grab the uptime
+    my($uptime) = `$uptimebin`;
+
+    # work out the days, hours, and minutes
+    if ($uptime =~ /hr/) {
+      # two possible cases here
+        if($uptime =~ /day/) {
+          # 0 minutes
+            $uptime =~ /up\s+([0-9]+)\s+.*,\s+([0-9]+)\s+.*,/;
+            $uptime = "$1:$2:0";
+        }
+        else {
+          # 0 days and 0 minutes
+            $uptime =~ /up\s+([0-9]+)\s+/;
+            $uptime = "0:$1:0";
+        }
+    }
+    elsif ($uptime =~ /min/) {
+      # two possible cases here
+        if($uptime =~ /day/) {
+          # 0 hours
+            $uptime =~ /up\s+([0-9]+)\s+.*,\s+([0-9]+)\s+.*,/;
+            $uptime = "$1:0:$2";
+        }
+        else {
+          # 0 days and 0 hours
+            $uptime =~ /up\s+([0-9]+)\s+/;
+            $uptime = "0:0:$1";
+        }
+    }
+    elsif ($uptime =~ /day/) {
+        if ($uptime =~ /day.*,\s+([0-9]+):([0-9]+)/) {
+          # normal
+            $uptime =~ /up\s+([0-9]+)\s+.*,\s+([0-9]+):([0-9]+)/;
+            $uptime = "$1:$2:$3";
+        }
+        else {
+          # 0 hours and 0 mins
+            $uptime =~ /up\s+([0-9]+)/;
+            $uptime = "$1:0:0";
+        }
+    }
+    else {
+      # 0 days
+        $uptime =~ /up\s+([0-9]+):([0-9]+)/;
+        $uptime = "0:$1:$2";
+    }
+
+    # turn into minutes
+
+    $uptime =~ /([0-9]+):([0-9]+):([0-9]+)/;
+    $uptime = $3 + ($2 + $1*24)*60;
+
+    &print_pair("unknown", "packet.os.uptime", $uptime);
 
 }