portstats.in 5.05 KB
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#!/usr/bin/perl
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#
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# portstats - Get port statistics for nodes in an experiment
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#
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#
# NOTE: no -w, because $::line below is used in the eval, which perl
# can't pick up on, so it warns about this variable being only used once
#

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#
# Configure variables
#
use lib '@prefix@/lib';

use libdb;
use snmpit_lib;
use snmpit_cisco;

use English;
use Getopt::Long;
use strict;

sub usage {
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    print "Usage: $0 [-h] <pid> <eid> [vname ...] [vname:port ...]\n\n";
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    print "If only pid and eid are given, prints out information about all\n";
    print "ports in the experiment. Otherwise, output is limited to the\n";
    print "nodes and/or ports given.\n";
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    print "\n";
    print "-h    This message\n";
    print "-e    Show only error counters\n";
    print "-a    Show all stats\n";
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    return 1;
}

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#
# Process command-line arguments
#
my %opt = ();
GetOptions(\%opt,'h','a','e','p','b');

if ($opt{h}) {
    exit &usage;
}

my @oids = (); # The set of OIDs we care about

if ($opt{a}) {
    @oids = ('ifInOctets', 'ifInUcastPkts', 'ifInNUcastPkts', 'ifInDiscards',
	     'ifInErrors', 'ifInUnknownProtos', 'ifOutOctets', 'ifOutUcastPkts',
	     'ifOutNUcastPkts', 'ifOutDiscards', 'ifOutErrors', 'ifOutQLen');
} elsif ($opt{e}) {
    @oids = ('ifInDiscards', 'ifInErrors', 'ifInUnknownProtos', 'ifOutDiscards',
	     'ifOutErrors');
} else {
    @oids = ('ifInOctets', 'ifInUcastPkts', 'ifInNUcastPkts',
	     'ifOutOctets', 'ifOutUcastPkts', 'ifOutNUcastPkts');
}

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if (@ARGV < 2) {
    exit &usage;
}
my ($pid,$eid) = (shift,shift);

my @passedPorts = @ARGV;

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#
# This hash is used to create colmn headers and the format string
#
my %oids = (
    'ifInOctets'        => [['        In','    Octets'], '@>>>>>>>>>'],
    'ifInUcastPkts'     => [[' InUnicast','   Packets'], '@>>>>>>>>>'],
    'ifInNUcastPkts'    => [['InNUnicast','   Packets'], '@>>>>>>>>>'],
    'ifInDiscards'      => [['        In','  Discards'], '@>>>>>>>>>'],
    'ifInErrors'        => [['        In','    Errors'], '@>>>>>>>>>'],
    'ifInUnknownProtos' => [['   Unknown','  Protocol'], '@>>>>>>>>>'],
    'ifOutOctets'       => [['       Out','    Octets'], '@>>>>>>>>>'],
    'ifOutUcastPkts'    => [['OutUnicast','   Pakcets'], '@>>>>>>>>>'],
    'ifOutNUcastPkts'   => [[' OutNUcast','   Packets'], '@>>>>>>>>>'],
    'ifOutDiscards'     => [['       Out','  Discards'], '@>>>>>>>>>'],
    'ifOutErrors'       => [['       Out','    Errors'], '@>>>>>>>>>'],
    'ifOutQLen'         => [['  OutQueue','    Length'], '@>>>>>>>>>']
);
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#
# First, make sure the experiment exists
#
if (!ExpState($pid,$eid)) {
    die "There is no experiment $eid in project $pid\n";
}

#
# Make sure they have access to it
#
if (!TBExptAccessCheck($UID,$pid,$eid,TB_EXPT_READINFO)) {
    die "You do not have permission to view experiment $pid/$eid\n";
}

snmpit_lib::init(0);

#
# Get a list of all ports in the experiment
#
my @experimentPorts = getExperimentPorts($pid,$eid);
my @ports;
if (@passedPorts) {
    #
    # Handle a set of passed-in ports
    #
    foreach my $port (@passedPorts) {
	$port =~ /^([^:]+)(:(\d+))?$/;
	my ($hostname,$portnumber) = ($1,$3);
	my $nodeid;
	if (!VnameToNodeid($pid,$eid,$hostname,\$nodeid)) {
	    die "There is no node $hostname in $pid/$eid\n";
	}

	if (defined($portnumber)) {
	    # They gave us a specific interface
	    push @ports, "$nodeid:$portnumber";
	} else {
	    # We need to find all experimental ports for this node
	    push @ports, grep(/^$nodeid:(\d+)$/,@experimentPorts);
	}

    }
} else {
    #
    # They didn't ask for specific ports, so we'll use 'em all
    #
    @ports = @experimentPorts;
}

#
# List of OIDs we want to look at for each port
#

#
# Find out which devices these ports are on
#
my %portMap = mapPortsToDevices(@ports);

my @stats;
foreach my $name (keys %portMap) {
    my @ports = @{$portMap{$name}};

    #
    # Connect to the switch and get the data we want off of it
    #
    my $device = new snmpit_cisco($name);
    my @results = $device->getFields(\@ports,\@oids);

    foreach my $result (@results) {
	my $port = shift @ports;

	#
	# Try to translate the port name to the node's vname
	#
	$port =~ /^(.+):(\d+)/;
	if ($1) {
	    my $portnum = $2;
	    my ($junk, $vname);
	    NodeidToExp($1,\$junk,\$junk,\$vname);
	    $port = "$vname:$portnum";
	}

	#
	# Throw this onto a list, so that we can sort it
	#
	push @stats, [$port,@$result];
    }
}

#
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# Build up the heading a format strings
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#
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my @heading1 = ('              ');
my @heading2 = ('Port          ');
my @format   = ('@<<<<<<<<<<<<<');

foreach my $line (@oids{@oids}) {
    my ($heading,$format) = @$line;
    push @heading1, $$heading[0];
    push @heading2, $$heading[1];
    push @format,   $format;
}
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my $heading1 = join(" ",@heading1);
my $heading2 = join(" ",@heading2);

my $format = "format stats =\n" . join(" ",@format) . "\n";
$format .= join(",",map {"\$\$::line[$_]"} (0 .. @oids)) . "\n.\n";

eval $format;
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$FORMAT_NAME = 'stats';

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#
# Print out the heading
#
print "$heading1\n";
print "$heading2\n";
print "-" x length($heading1),"\n";

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#
# Finally, print out the results
#
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foreach $::line (sort {$$a[0] cmp $$b[0]} @stats) {
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    write;
}