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| | # Copyright (C) 2016-2018 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
use strict;
use warnings;
use Test::More;
use File::Temp qw/tempdir/;
use IO::Socket;
use Socket qw(SO_KEEPALIVE IPPROTO_TCP TCP_NODELAY);
use POSIX qw(dup2 setsid);
use Cwd qw(getcwd);
my $git_dir = $ENV{GIANT_GIT_DIR};
plan 'skip_all' => 'GIANT_GIT_DIR not defined' unless $git_dir;
foreach my $mod (qw(PublicInbox::DS BSD::Resource
Plack::Util Plack::Builder
HTTP::Date HTTP::Status Net::HTTP)) {
eval "require $mod";
plan skip_all => "$mod missing for git-http-backend.t" if $@;
}
require './t/common.perl';
my $psgi = getcwd()."/t/git-http-backend.psgi";
my $tmpdir = tempdir('pi-git-http-backend-XXXXXX', TMPDIR => 1, CLEANUP => 1);
my $err = "$tmpdir/stderr.log";
my $out = "$tmpdir/stdout.log";
my $httpd = 'blib/script/public-inbox-httpd';
my %opts = (
LocalAddr => '127.0.0.1',
ReuseAddr => 1,
Proto => 'tcp',
Type => SOCK_STREAM,
Listen => 1024,
);
my $sock = IO::Socket::INET->new(%opts);
my $host = $sock->sockhost;
my $port = $sock->sockport;
my $pid;
END { kill 'TERM', $pid if defined $pid };
my $get_maxrss = sub {
my $http = Net::HTTP->new(Host => "$host:$port");
ok($http, 'Net::HTTP object created for maxrss');
$http->write_request(GET => '/');
my ($code, $mess, %h) = $http->read_response_headers;
is($code, 200, 'success reading maxrss');
my $n = $http->read_entity_body(my $buf, 256);
ok(defined $n, 'read response body');
like($buf, qr/\A\d+\n\z/, 'got memory response');
ok(int($buf) > 0, 'got non-zero memory response');
int($buf);
};
{
ok($sock, 'sock created');
my $cmd = [ $httpd, "--stdout=$out", "--stderr=$err", $psgi ];
ok(defined($pid = spawn_listener(undef, $cmd, [$sock])),
'forked httpd process successfully');
}
my $mem_a = $get_maxrss->();
SKIP: {
my $max = 0;
my $pack;
my $glob = "$git_dir/objects/pack/pack-*.pack";
foreach my $f (glob($glob)) {
my $n = -s $f;
if ($n > $max) {
$max = $n;
$pack = $f;
}
}
skip "no packs found in $git_dir" unless defined $pack;
if ($pack !~ m!(/objects/pack/pack-[a-f0-9]{40}.pack)\z!) {
skip "bad pack name: $pack";
}
my $url = $1;
my $http = Net::HTTP->new(Host => "$host:$port");
ok($http, 'Net::HTTP object created');
$http->write_request(GET => $url);
my ($code, $mess, %h) = $http->read_response_headers;
is(200, $code, 'got 200 success for pack');
is($max, $h{'Content-Length'}, 'got expected Content-Length for pack');
foreach my $i (1..3) {
sleep 1;
my $diff = $get_maxrss->() - $mem_a;
note "${diff}K memory increase after $i seconds";
ok($diff < 1024, 'no bloating caused by slow dumb client');
}
}
{
my $c = fork;
if ($c == 0) {
setsid();
exec qw(git clone -q --mirror), "http://$host:$port/",
"$tmpdir/mirror.git";
die "Failed start git clone: $!\n";
}
select(undef, undef, undef, 0.1);
foreach my $i (1..10) {
is(1, kill('STOP', -$c), 'signaled clone STOP');
sleep 1;
ok(kill('CONT', -$c), 'continued clone');
my $diff = $get_maxrss->() - $mem_a;
note "${diff}K memory increase after $i seconds";
ok($diff < 2048, 'no bloating caused by slow smart client');
}
ok(kill('CONT', -$c), 'continued clone');
is($c, waitpid($c, 0), 'reaped wayward slow clone');
is($?, 0, 'clone did not error out');
note 'clone done, fsck-ing clone result...';
is(0, system("git", "--git-dir=$tmpdir/mirror.git",
qw(fsck --no-progress)),
'fsck did not report corruption');
my $diff = $get_maxrss->() - $mem_a;
note "${diff}K memory increase after smart clone";
ok($diff < 2048, 'no bloating caused by slow smart client');
}
{
ok(kill('TERM', $pid), 'killed httpd');
$pid = undef;
waitpid(-1, 0);
}
done_testing();
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