1 files changed, 48 insertions, 0 deletions
diff --git a/clients/ping.pl b/clients/ping.pl
new file mode 100755
index 0000000..b0eb57d
--- /dev/null
+++ b/clients/ping.pl
@@ -0,0 +1,48 @@
+#! /usr/bin/perl
+use DBI;
+use POSIX;
+use Time::HiRes;
+use Net::Oping;
+use Data::Dumper;
+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 FROM switches WHERE ip<>'127.0.0.1'");
+
+while (1) {
+	my $ping = Net::Oping->new;
+	$ping->timeout(0.2);
+
+	$q->execute;
+	my %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 $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};
+		if (!defined($latency)) {
+			$dbh->pg_putcopydata("$switch\t\\N\n");
+		} else {
+			$dbh->pg_putcopydata("$switch\t$latency\n");
+		}
+	}
+	$dbh->pg_putcopyend();
+	$dbh->commit;
+	
+	sleep 1;
+}
+