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#! /usr/bin/perl
#
# Copyright (C) 2008 Tomash Brechko. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the same terms as Perl itself, either Perl version 5.8.8
# or, at your option, any later version of Perl 5 you may have
# available.
#
use v5.12;
use warnings;
# NOTE: this test uses INSTANCE_COUNT x 2 file descriptors. This
# means that normally spawning more than ~500 instances won't work.
use Cache::Memcached::Fast;
use Cache::Memcached;
use FindBin;
@ARGV >= 3
or die
"Usage: $FindBin::Script MIN_PORT INSTANCE_COUNT KEY_COUNT [SEED]\n";
my ( $min_port, $instance_count, $key_count, $seed ) = @ARGV;
$seed = time unless defined $seed;
srand($seed);
say "Instances: $instance_count, keys: $key_count, random seed: $seed";
my $host = '127.3.5.7';
my $max_port = $min_port + $instance_count - 1;
my @children;
END {
kill 'SIGTERM', @children;
}
foreach my $port ( $min_port .. $max_port ) {
my $pid = fork;
die "Can't fork: $!\n" unless defined $pid;
if ($pid) {
push @children, $pid;
}
else {
exec( 'memcached', '-p', $port, '-m1' ) == 0
or die "Can't exec memcached on $host:$port: $!\n";
}
}
# Give memcached servers some time to become ready.
sleep(1);
my @addrs = map {"$host:$_"} ( $min_port .. $max_port );
my $cm = new Cache::Memcached(
{ servers => \@addrs,
select_timeout => 2
}
);
my $cmf = new Cache::Memcached::Fast(
{ servers => \@addrs,
select_timeout => 2
}
);
foreach my $i ( 1 .. $key_count ) {
my $key = int( rand($key_count) );
$cmf->set( $key, $i ) or die "Can't set key $key\n";
my $res = $cm->get($key);
die "Fetch failed for key $key ($i), got @{[ defined $res
? $res : '(undef)' ]}\n"
unless defined $res and $res == $i;
}
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