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#! /usr/bin/perl
use CGI;
use DBI;
use JSON::XS;
use lib '../../include';
use nms;
my $cgi = CGI->new;
my $dbh = nms::db_connect();
my $now = "now()";
if ($cgi->param('now') != undef) {
$now = "'" . $cgi->param('now') . "'::timestamp ";
}
my $when =" updated > " . $now . " - '15 secs'::interval and updated < " . $now . " ";
my %json = ();
my $q = $dbh->prepare("SELECT DISTINCT ON (sysname) updated,sysname, latency_ms FROM ping NATURAL JOIN switches WHERE updated in (select max(updated) from ping where $when group by switch)");
$q->execute();
while (my $ref = $q->fetchrow_hashref()) {
$json{'switches'}{$ref->{'sysname'}}{'latency'} = $ref->{'latency_ms'};
}
my $qs = $dbh->prepare("SELECT DISTINCT ON (switch) switch, latency_ms FROM ping_secondary_ip WHERE $when ORDER BY switch, updated DESC;");
$qs->execute();
while (my $ref = $qs->fetchrow_hashref()) {
$json{'switches'}{$ref->{'switch'}}{'latency_secondary'} = $ref->{'latency_ms'};
}
my $lq = $dbh->prepare("SELECT DISTINCT ON (linknet) linknet, latency1_ms, latency2_ms FROM linknet_ping WHERE $when ORDER BY linknet, updated DESC;");
$lq->execute();
while (my $ref = $lq->fetchrow_hashref()) {
$json{'linknets'}{$ref->{'linknet'}} = [ $ref->{'latency1_ms'}, $ref->{'latency2_ms'} ];
}
$q->execute();
print $cgi->header(-type=>'text/json; charset=utf-8');
print JSON::XS::encode_json(\%json);
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