stats-conns.t

#!/usr/bin/perl

use strict;
use Test::More tests => 10;
use FindBin qw($Bin);
use lib "$Bin/lib";
use MemcachedTest;

## First make sure we report UNIX-domain sockets correctly

my $filename = "/tmp/memcachetest$$";

my $server = new_memcached("-s $filename");
my $sock = $server->sock;
my $stats_sock = $server->new_sock;

ok(-S $filename, "creating unix domain socket $filename");

print $sock "set foo 0 0 6\r\n";
sleep(1);    # so we can test secs_since_last_cmd is nonzero
print $stats_sock "stats conns\r\n";

my $stats;
while (<$stats_sock>) {
    last if /^(\.|END)/;
    $stats .= $_;
}

like($stats, qr/STAT \d+:addr /);
$stats =~ m/STAT (\d+):addr unix:(.*[^\r\n])/g;
my $listen_fd = $1;
my $socket_path = $2;
# getsockname(2) doesn't return socket path on GNU/Hurd (and maybe others)
SKIP: {
    skip "socket path checking on GNU kernel", 1 if ($^O eq 'gnu');
    is($socket_path, $filename, "unix domain socket path reported correctly");
};
$stats =~ m/STAT (\d+):state conn_listening\r\n/g;
is($1, $listen_fd, "listen socket fd reported correctly");

like($stats, qr/STAT \d+:state conn_nread/,
     "one client is sending data");
like($stats, qr/STAT \d+:state conn_parse_cmd/,
     "one client is in command processing");
like($stats, qr/STAT \d+:secs_since_last_cmd [1-9]\r/,
     "nonzero secs_since_last_cmd");

$server->stop;
unlink($filename);

## Now look at TCP

$server = new_memcached("-l 0.0.0.0");
$sock = $server->sock;
$stats_sock = $server->new_sock;

print $sock "set foo 0 0 6\r\n";
print $stats_sock "stats conns\r\n";

$stats = '';
while (<$stats_sock>) {
    last if /^(\.|END)/;
    $stats .= $_;
}

like($stats, qr/STAT \d+:state conn_listen/, "there is a listen socket");
$stats =~ m/STAT \d+:addr udp:0.0.0.0:(\d+)/;
is($1, $server->udpport, "udp port number is correct");
$stats =~ m/STAT \d+:addr tcp:0.0.0.0:(\d+)/;
print STDERR "PORT: ", $server->port, "\n";
is($1, $server->port, "tcp port number is correct");