#!/usr/bin/perl

#
# Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved. 
#
#  $Id:oracle_sage_config.pl 
#
#
# NAME  
#   oracle_sage_griddisk_metrics.pl
#
# DESC 
#
# This script gets all the Cell Disk metrics of the SAGE CELL.   
#
# NOTES
#
# MODIFIED  (MM/DD/YY)
#    spalapu 09/17/08 - 
#    spalapu 09/16/08 - change ossGridTimeStamp to ossStartTimeStamp
#    spalapu 08/28/08 - 
#    spalapu 08/28/08 - 
#    spalapu 08/27/08 - 
#    spalapu 08/27/08 - replace sagemonitor with cellmonitor
#    spalapu 08/26/08 - 
#    spalapu 08/26/08 - removed sage from plug-in and added exadata. Also,
#                       fixed realm reports to remove targer_guid from realm
#                       reports. Creating new files from oracle_sage_cell
#    spalapu 07/17/08 - 
#    spalapu 07/17/08 - fix conversion of collectiontime to secs
#    loliu   06/18/08 - Bug 7191753: do not need to convert throughput to MB
#    spalapu 05/23/08 - Add osstimestamp for celldisk metrics
#    spalapu 05/01/08 - Change cumulative value to Cumulative
#    spalapu 04/25/08 - 
#    spalapu 03/21/08 - Add Griddisk Metris
#    spalapu 03/19/08 - Add Copyright statements
#    spalapu 03/18/08 - 
#    spalapu 03/17/08 - 
#    spalapu 03/13/08 - change object_type to objectType
#    spalapu 02/13/08 - new file
#   spalapud 10/07/06 	Created the file.
# 

use XML::Parser;
use Class::Struct;
require emx::oracle_cell::oracle_cell_common;
require "emd_common.pl";

our %griddisks;  # Hash of griddisks

$ipaddress=doPing(@ARGV);

if($ipaddress eq "") {
  print "em_error=Failed to ping Cell\n";
  exit -1;
}
my $command = "ssh -l cellmonitor $ipaddress cellcli  -xml -e 'list metriccurrent where objectType=".'\"GRIDDISK\"'."'";
EMD_PERL_DEBUG("command = $command \n");

my $xmlout = `$command`;

my $str;
use Data::Dumper;
$str = Dumper($xmlout);
EMD_PERL_DEBUG($str);

my $parser = XML::Parser->new( Handlers => {
                                      Start=>\&handle_start,
                                      End=>\&handle_end,
				      Char=> \&characterData,
                                     });
$str = Dumper($parser);
EMD_PERL_DEBUG($str);

my $myinf;
my $read_throughput;
my $write_throughput;
my $read_reqs;
my $write_reqs;
$parser->parse( $xmlout);

       foreach $griddisk (keys %griddisks)
       {
          $read_throughput=0;
          $write_throughput=0;
          $read_reqs=0;
          $write_reqs=0;
          $read_throughput =$griddisks{$griddisk}{GD_IO_BY_R_LG} + $griddisks{$griddisk}{GD_IO_BY_R_SM};
          $write_throughput=$griddisks{$griddisk}{GD_IO_BY_W_LG} + $griddisks{$griddisk}{GD_IO_BY_W_SM};
          $read_reqs=$griddisks{$griddisk}{GD_IO_RQ_R_LG} + $griddisks{$griddisk}{GD_IO_RQ_R_SM};
          $write_reqs=$griddisks{$griddisk}{GD_IO_RQ_W_LG} + $griddisks{$griddisk}{GD_IO_RQ_W_SM};
          print "em_result=".$griddisks{$griddisk}{name}."|".$cellname."|".$realmname."|".$osstimestamp."|".$read_throughput."|".$griddisks{$griddisk}{GD_IO_BY_R_SM_time}."|".$write_throughput."|".$griddisks{$griddisk}{GD_IO_BY_W_SM_time}."|".$read_reqs."|".$griddisks{$griddisk}{GD_IO_RQ_R_SM_time}."|".$write_reqs."|".$griddisks{$griddisk}{GD_IO_RQ_W_SM_time}."|"."\n";
       }

#-----------------------------------------------------------------
# FUNCTIONS :  handle_start
#
#
# DESC : Does node based parsing of the XML output.
#
# ARGUMENTS :
#		elements : Node elements in the XML 
#  		attrs 	 : Attributes of the elements.
#
#
#-----------------------------------------------------------------

sub handle_start {
    my( $expat, $element, %attrs  ) = @_;
    $myinf="";
    if ($element eq "context")
    {
      if( %attrs )
      {
         $cellname = $attrs{cell};
         $realmname = $attrs{realm};
         $osstimestamp = $attrs{ossStartTimestamp};
      }
    }
    elsif ($element eq "cli-output")
    {
       $myinf="cli-output";
    }
    elsif ($element eq "name")
    {
       $myinf="name";
    }
    elsif ($element eq "metricType")
    {
       $myinf="metric_type";
    }
    elsif ($element eq "metricValue")
    {
       $myinf="metric_value";
    }
    elsif ($element eq "collectionTime")
    {
       $myinf="collection_time";
    }
    elsif ($element eq "metricObjectName")
    {
       $myinf="object_name";
    }
    else
    {
       EMD_PERL_DEBUG("invisible element = $element \n");
    }
}

sub handle_end {
    my( $expat, $element, %attrs  ) = @_;
    if ($element eq "metric")
    {
      if ($realmname eq "") {
        $realmname="NONE";
      }
    }
    else
    {
       EMD_PERL_DEBUG("find not metric element: $element \n");
    }
}

sub characterData {
    my( $parseinst, $data ) = @_;
    $space=" ";
    $data =~ s/\n//g;
    if (($data !~ m/^\s/) and ($data ne "\""))
    {
      if ($myinf eq "name" )
      {
         $name=$name.$data;
      }
      elsif ($myinf eq "metric_type" )
      {
         $metric_type=$metric_type.$data;
      }
      elsif ($myinf eq "metric_value" )
      {
         $metric_value=$metric_value.$data;
         if ($metric_type eq "Cumulative")
         {
            $collection_time = $collection_time/1000;
            $griddisks{$object_name}{name} = $object_name;
            $griddisks{$object_name}{$name} = $metric_value;
            $griddisks{$object_name}{$name."_time"} = $collection_time;
         }
         $name="";
         $metric_type="";
         $metric_value="";
         $collection_time="";
         $object_name="";

      }
      elsif ($myinf eq "collection_time" )
      {
         #convert to secs from millsecs
         $data= $data; 
         $collection_time=$collection_time.$data;
      }
      elsif ($myinf eq "object_name" )
      {
         $object_name=$object_name.$data;

      }
    }
}