xref: /memcached-1.4.29/t/lib/MemcachedTest.pm (revision 61c41eef) 
1package MemcachedTest;
2use strict;
3use IO::Socket::INET;
4use Exporter 'import';
5use FindBin qw($Bin);
6use Carp qw(croak);
7use vars qw(@EXPORT);
8
9@EXPORT = qw(new_memcached sleep mem_get_is mem_stats);
10
11sub sleep {
12    my $n = shift;
13    select undef, undef, undef, $n;
14}
15
16sub mem_stats {
17    my ($sock, $type) = @_;
18    $type = $type ? " $type" : "";
19    print $sock "stats$type\r\n";
20    my $stats = {};
21    while (<$sock>) {
22        last if /^(\.|END)/;
23        /^STAT (\S+) (\d+)/;
24        #print " slabs: $_";
25        $stats->{$1} = $2;
26    }
27    return $stats;
28}
29
30sub mem_get_is {
31    # works on single-line values only.  no newlines in value.
32    my ($sock_opts, $key, $val, $msg) = @_;
33    my $opts = ref $sock_opts eq "HASH" ? $sock_opts : {};
34    my $sock = ref $sock_opts eq "HASH" ? $opts->{sock} : $sock_opts;
35
36    my $expect_flags = $opts->{flags} || 0;
37    my $dval = defined $val ? "'$val'" : "<undef>";
38    $msg ||= "$key == $dval";
39
40    print $sock "get $key\r\n";
41    if (! defined $val) {
42        my $line = scalar <$sock>;
43        if ($line =~ /^VALUE/) {
44            $line .= scalar(<$sock>) . scalar(<$sock>);
45        }
46        Test::More::is($line, "END\r\n", $msg);
47    } else {
48        my $len = length($val);
49        my $body = scalar(<$sock>);
50        my $expected = "VALUE $key $expect_flags $len\r\n$val\r\nEND\r\n";
51        if (!$body || $body =~ /^END/) {
52            Test::More::is($body, $expected, $msg);
53            return;
54        }
55        $body .= scalar(<$sock>) . scalar(<$sock>);
56        Test::More::is($body, $expected, $msg);
57    }
58}
59
60sub free_port {
61    my $sock;
62    my $port;
63    while (!$sock) {
64        $port = int(rand(20000)) + 30000;
65        $sock = IO::Socket::INET->new(LocalAddr => '127.0.0.1',
66                                      LocalPort => $port,
67                                      Proto     => 'tcp',
68                                      ReuseAddr => 1);
69    }
70    return $port;
71}
72
73sub new_memcached {
74    my $args = shift || "";
75    my $port = free_port();
76    $args .= " -p $port";
77    if ($< == 0) {
78        $args .= " -u root";
79    }
80    my $childpid = fork();
81
82    my $exe = "$Bin/../memcached";
83    croak("memcached binary doesn't exist.  Haven't run 'make' ?\n") unless -e $exe;
84    croak("memcached binary not executable\n") unless -x _;
85
86    unless ($childpid) {
87        exec "$exe $args";
88        exit; # never gets here.
89    }
90
91    for (1..20) {
92        my $conn = IO::Socket::INET->new(PeerAddr => "127.0.0.1:$port");
93        if ($conn) {
94            return Memcached::Handle->new(pid  => $childpid,
95                                          conn => $conn,
96                                          port => $port);
97        }
98        select undef, undef, undef, 0.10;
99    }
100    croak("Failed to startup/connect to memcached server.");
101
102}
103
104############################################################################
105package Memcached::Handle;
106sub new {
107    my ($class, %params) = @_;
108    return bless \%params, $class;
109}
110
111sub DESTROY {
112    my $self = shift;
113    kill 9, $self->{pid};
114}
115
116sub port { $_[0]{port} }
117
118sub sock {
119    my $self = shift;
120    return $self->{conn} if $self->{conn} && getpeername($self->{conn});
121    return $self->new_sock;
122}
123
124sub new_sock {
125    my $self = shift;
126    return IO::Socket::INET->new(PeerAddr => "127.0.0.1:$self->{port}");
127}
128
1291;
130