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#! /usr/bin/perl
use DBI;
use POSIX;
use Time::HiRes;
use Net::Oping;
use strict;
use warnings;
use lib '../include';
use nms;
my $dbh = nms::db_connect();
$dbh->{AutoCommit} = 0;
$dbh->{RaiseError} = 1;
my $q = $dbh->prepare("SELECT switch,ip,secondary_ip FROM switches WHERE ip<>'127.0.0.1'");
my $lq = $dbh->prepare("SELECT linknet,addr1,addr2 FROM linknets");
while (1) {
# ping loopbacks
my $ping = Net::Oping->new;
$ping->timeout(0.2);
$q->execute;
my %ip_to_switch = ();
my %secondary_ip_to_switch = ();
while (my $ref = $q->fetchrow_hashref) {
my $switch = $ref->{'switch'};
my $ip = $ref->{'ip'};
$ping->host_add($ip);
$ip_to_switch{$ip} = $switch;
my $secondary_ip = $ref->{'secondary_ip'};
if (defined($secondary_ip)) {
$ping->host_add($secondary_ip);
$secondary_ip_to_switch{$secondary_ip} = $switch;
}
}
my $result = $ping->ping();
die $ping->get_error if (!defined($result));
$dbh->do('COPY ping (switch, latency_ms) FROM STDIN'); # date is implicitly now.
while (my ($ip, $latency) = each %$result) {
my $switch = $ip_to_switch{$ip};
next if (!defined($switch));
$latency //= "\\N";
$dbh->pg_putcopydata("$switch\t$latency\n");
}
$dbh->pg_putcopyend();
$dbh->do('COPY ping_secondary_ip (switch, latency_ms) FROM STDIN'); # date is implicitly now.
while (my ($ip, $latency) = each %$result) {
my $switch = $secondary_ip_to_switch{$ip};
next if (!defined($switch));
$latency //= "\\N";
$dbh->pg_putcopydata("$switch\t$latency\n");
}
$dbh->pg_putcopyend();
$dbh->commit;
# ping linknets
$ping = Net::Oping->new;
$ping->timeout(0.2);
$lq->execute;
my @linknets = ();
while (my $ref = $lq->fetchrow_hashref) {
push @linknets, $ref;
$ping->host_add($ref->{'addr1'});
$ping->host_add($ref->{'addr2'});
}
$result = $ping->ping();
die $ping->get_error if (!defined($result));
$dbh->do('COPY linknet_ping (linknet, latency1_ms, latency2_ms) FROM STDIN'); # date is implicitly now.
for my $linknet (@linknets) {
my $id = $linknet->{'linknet'};
my $latency1 = $result->{$linknet->{'addr1'}} // '\N';
my $latency2 = $result->{$linknet->{'addr2'}} // '\N';
$dbh->pg_putcopydata("$id\t$latency1\t$latency2\n");
}
$dbh->pg_putcopyend();
$dbh->commit;
sleep 1;
}
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