--- /dev/null
+# Copyright (c) 2008, 2009, 2010 Zmanda, Inc. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 as published
+# by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# Contact information: Zmanda Inc, 465 S. Mathilda Ave., Suite 300
+# Sunnyvale, CA 94086, USA, or: http://www.zmanda.com
+
+use Test::More tests => 18;
+use File::Path;
+use strict;
+use warnings;
+
+use lib "@amperldir@";
+use Installcheck;
+use Installcheck::Config;
+use Installcheck::Changer;
+use Amanda::Paths;
+use Amanda::Device qw( :constants );
+use Amanda::Debug;
+use Amanda::MainLoop;
+use Amanda::Config qw( :init :getconf config_dir_relative );
+use Amanda::Changer;
+
+# set up debugging so debug output doesn't interfere with test results
+Amanda::Debug::dbopen("installcheck");
+Installcheck::log_test_output();
+
+# and disable Debug's die() and warn() overrides
+Amanda::Debug::disable_die_override();
+
+my $taperoot = "$Installcheck::TMP/Amanda_Changer_Multi_test";
+
+sub reset_taperoot {
+ my ($nslots) = @_;
+
+ if (-d $taperoot) {
+ rmtree($taperoot);
+ }
+ mkpath($taperoot);
+
+ for my $slot (1 .. $nslots) {
+ mkdir("$taperoot/slot$slot")
+ or die("Could not mkdir: $!");
+ mkdir("$taperoot/slot$slot/data")
+ or die("Could not mkdir: $!");
+ }
+}
+
+# Build a configuration that specifies Amanda::Changer::Multi
+my $testconf = Installcheck::Config->new();
+$testconf->write();
+
+my $cfg_result = config_init($CONFIG_INIT_EXPLICIT_NAME, 'TESTCONF');
+if ($cfg_result != $CFGERR_OK) {
+ my ($level, @errors) = Amanda::Config::config_errors();
+ die(join "\n", @errors);
+}
+
+reset_taperoot(5);
+
+my $chg = Amanda::Changer->new("chg-multi:file:$taperoot/slot{0,1,2,3,4}");
+die($chg) if $chg->isa("Amanda::Changer::Error");
+{
+ my @slots = ();
+ my @reservations = ();
+ my ($release, $getres, $tryreserved);
+
+ $getres = make_cb(getres => sub {
+ my $slot = pop @slots;
+ if (!defined $slot) {
+ return $tryreserved->();
+ }
+
+ $chg->load(slot => $slot,
+ set_current => ($slot == 5),
+ res_cb => make_cb(sub {
+ my ($err, $reservation) = @_;
+ ok(!$err, "no error loading slot $slot")
+ or diag($err);
+
+ # keep this reservation
+ if ($reservation) {
+ push @reservations, $reservation;
+ }
+
+ # and start on the next
+ $getres->();
+ }));
+ });
+
+ $tryreserved = make_cb(tryreserved => sub {
+ # try to load an already-reserved slot
+ $chg->load(slot => 3,
+ res_cb => sub {
+ my ($err, $reservation) = @_;
+ chg_err_like($err,
+ { message => qr/Slot 3 is already in use by process/,
+ type => 'failed',
+ reason => 'volinuse' },
+ "error when requesting already-reserved slot");
+ $release->();
+ });
+ });
+
+ $release = make_cb(release => sub {
+ my $res = pop @reservations;
+ if (!defined $res) {
+ return Amanda::MainLoop::quit();
+ }
+
+ $res->release(finished_cb => sub {
+ my ($err) = @_;
+ die $err if $err;
+ $release->();
+ });
+ });
+
+ # start the loop
+ @slots = ( 1, 3, 5 );
+ $getres->();
+ Amanda::MainLoop::run();
+
+ # and try it with some different slots, just to see
+ @slots = ( 4, 2, 3 );
+ $getres->();
+ Amanda::MainLoop::run();
+
+ @reservations = ();
+}
+
+# check relative slot ("current" and "next") functionality
+sub test_relative_slot {
+ my ($finished_cb) = @_;
+ my $slot;
+
+ my $steps = define_steps
+ cb_ref => \$finished_cb;
+
+ step load_current => sub {
+ # load the "current" slot, which should be 4
+ $chg->load(relative_slot => "current", res_cb => $steps->{'check_current_cb'});
+ };
+
+ step check_current_cb => sub {
+ my ($err, $res) = @_;
+ die $err if $err;
+
+ is ($res->{'this_slot'}, 5, "'current' is slot 5");
+ $slot = $res->{'this_slot'};
+
+ $res->release(finished_cb => $steps->{'released1'});
+ };
+
+ step released1 => sub {
+ my ($err) = @_;
+ die $err if $err;
+
+ $chg->load(relative_slot => 'next', slot => $slot,
+ res_cb => $steps->{'check_next_cb'});
+ };
+
+ step check_next_cb => sub {
+ my ($err, $res) = @_;
+ die $err if $err;
+
+ is ($res->{'this_slot'}, 1, "'next' from there is slot 1");
+
+ $res->release(finished_cb => $steps->{'released2'});
+ };
+
+ step released2 => sub {
+ my ($err) = @_;
+ die $err if $err;
+
+ $chg->reset(finished_cb => $steps->{'reset_finished_cb'});
+ };
+
+ step reset_finished_cb => sub {
+ my ($err) = @_;
+ die $err if $err;
+
+ $chg->load(relative_slot => "current", res_cb => $steps->{'check_reset_cb'});
+ };
+
+ step check_reset_cb => sub {
+ my ($err, $res) = @_;
+ die $err if $err;
+
+ is ($res->{'this_slot'}, 1, "after reset, 'current' is slot 1");
+
+ $res->release(finished_cb => $steps->{'released3'});
+ };
+
+ step released3 => sub {
+ my ($err) = @_;
+ die $err if $err;
+
+ $finished_cb->();
+ };
+}
+test_relative_slot(\&Amanda::MainLoop::quit);
+Amanda::MainLoop::run();
+
+# test loading relative_slot "next"
+sub test_relative_slot_next {
+ my ($finished_cb) = @_;
+
+ my $steps = define_steps
+ cb_ref => \$finished_cb;
+
+ step load_next => sub {
+ $chg->load(relative_slot => "next",
+ res_cb => sub {
+ my ($err, $res) = @_;
+ die $err if $err;
+
+ is ($res->{'this_slot'}, 2, "loading relative slot 'next' loads the correct slot");
+
+ $steps->{'release'}->($res);
+ }
+ );
+ };
+
+ step release => sub {
+ my ($res) = @_;
+
+ $res->release(finished_cb => sub {
+ my ($err) = @_;
+ die $err if $err;
+
+ $finished_cb->();
+ });
+ };
+}
+test_relative_slot_next(\&Amanda::MainLoop::quit);
+Amanda::MainLoop::run();
+
+# scan the changer using except_slots
+sub test_except_slots {
+ my ($finished_cb) = @_;
+ my $slot;
+ my %except_slots;
+
+ my $steps = define_steps
+ cb_ref => \$finished_cb;
+
+ step start => sub {
+ $chg->load(slot => "5", except_slots => { %except_slots },
+ res_cb => $steps->{'loaded'});
+ };
+
+ step loaded => sub {
+ my ($err, $res) = @_;
+ if ($err) {
+ if ($err->notfound) {
+ # this means the scan is done
+ return $steps->{'quit'}->();
+ } elsif ($err->volinuse and defined $err->{'slot'}) {
+ $slot = $err->{'slot'};
+ } else {
+ die $err;
+ }
+ } else {
+ $slot = $res->{'this_slot'};
+ }
+
+ $except_slots{$slot} = 1;
+
+ if ($res) {
+ $res->release(finished_cb => $steps->{'released'});
+ } else {
+ $steps->{'released'}->();
+ }
+ };
+
+ step released => sub {
+ my ($err) = @_;
+ die $err if $err;
+
+ $chg->load(relative_slot => 'next', slot => $slot,
+ except_slots => { %except_slots },
+ res_cb => $steps->{'loaded'});
+ };
+
+ step quit => sub {
+ is_deeply({ %except_slots }, { 5=>1, 1=>1, 2=>1, 3=>1, 4=>1 },
+ "scanning with except_slots works");
+ $finished_cb->();
+ };
+}
+test_except_slots(\&Amanda::MainLoop::quit);
+Amanda::MainLoop::run();
+
+# eject is not implemented
+{
+ my $try_eject = make_cb('try_eject' => sub {
+ $chg->eject(finished_cb => make_cb(sub {
+ my ($err, $res) = @_;
+ is ($err, undef, "eject is implemented");
+
+ Amanda::MainLoop::quit();
+ }));
+ });
+
+ $try_eject->();
+ Amanda::MainLoop::run();
+}
+
+# check num_slots and loading by label
+{
+ my ($update, $get_info, $load_label, $check_load_cb) = @_;
+
+ $update = make_cb('update' => sub {
+ $chg->update(changed => "4", finished_cb => $get_info);
+ });
+
+ $get_info = make_cb('get_info' => sub {
+ $chg->info(info_cb => $load_label, info => [ 'num_slots', 'fast_search' ]);
+ });
+
+ $load_label = make_cb('load_label' => sub {
+ my $err = shift;
+ my %results = @_;
+ die($err) if defined($err);
+
+ is_deeply({ %results },
+ { num_slots => 5, fast_search => 0 },
+ "info() returns the correct num_slots and fast_search");
+
+ # note use of a glob metacharacter in the label name
+ $chg->load(label => "FOO?BAR", res_cb => $check_load_cb, set_current => 1);
+ });
+
+ $check_load_cb = make_cb('check_load_cb' => sub {
+ my ($err, $res) = @_;
+ die $err if $err;
+
+ is ($res->{'this_slot'}, 4, "labeled volume found in slot 4");
+
+ $res->release(finished_cb => sub {
+ my ($err) = @_;
+ die $err if $err;
+
+ Amanda::MainLoop::quit();
+ });
+ });
+
+ # label slot 4
+ my $dev = Amanda::Device->new("file:$taperoot/slot3");
+ $dev->start($Amanda::Device::ACCESS_WRITE, "FOO?BAR", undef)
+ or die $dev->error_or_status();
+ $dev->finish()
+ or die $dev->error_or_status();
+
+ $update->();
+ Amanda::MainLoop::run();
+}
+
+# inventory is pretty cool
+{
+ my $try_inventory = make_cb('try_inventory' => sub {
+ $chg->inventory(inventory_cb => make_cb(sub {
+ my ($err, $inv) = @_;
+ die $err if $err;
+
+ is_deeply($inv, [
+ { slot => 1, state => Amanda::Changer::SLOT_FULL,
+ device_status => $DEVICE_STATUS_DEVICE_ERROR,
+ f_type => undef, label => undef,
+ reserved => 0 },
+ { slot => 2, state => Amanda::Changer::SLOT_FULL,
+ device_status => ($DEVICE_STATUS_DEVICE_ERROR |
+ $DEVICE_STATUS_VOLUME_UNLABELED |
+ $DEVICE_STATUS_VOLUME_ERROR),
+ f_type => undef, label => undef,
+ reserved => 0 },
+ { slot => 3, state => Amanda::Changer::SLOT_FULL,
+ device_status => ($DEVICE_STATUS_DEVICE_ERROR |
+ $DEVICE_STATUS_VOLUME_UNLABELED |
+ $DEVICE_STATUS_VOLUME_ERROR),
+ f_type => undef, label => undef,
+ reserved => 0 },
+ { slot => 4, state => Amanda::Changer::SLOT_FULL,
+ device_status => $DEVICE_STATUS_SUCCESS,
+ f_type => $Amanda::Header::F_TAPESTART, label => "FOO?BAR",
+ reserved => 0, current => 1 },
+ { slot => 5, state => Amanda::Changer::SLOT_FULL,
+ device_status => ($DEVICE_STATUS_DEVICE_ERROR |
+ $DEVICE_STATUS_VOLUME_UNLABELED |
+ $DEVICE_STATUS_VOLUME_ERROR),
+ f_type => undef, label => undef,
+ reserved => 0 },
+ ], "inventory finds the labeled tape");
+
+ Amanda::MainLoop::quit();
+ }));
+ });
+
+ $try_inventory->();
+ Amanda::MainLoop::run();
+}
+
+# check loading by label if the state is unknown
+{
+ my ($update, $load_label, $check_load_cb) = @_;
+
+ $update = make_cb('update' => sub {
+ $chg->update(changed => "4=", finished_cb => $load_label);
+ });
+
+ $load_label = make_cb('load_label' => sub {
+ # note use of a glob metacharacter in the label name
+ $chg->load(label => "FOO?BAR", res_cb => $check_load_cb);
+ });
+
+ $check_load_cb = make_cb('check_load_cb' => sub {
+ my ($err, $res) = @_;
+ die("labeled volume found in slot 4") if $res;
+ die("bad error: $err") if $err && !$err->notfound;
+
+ ok(1, "Don't found label for unknown state slot");
+ Amanda::MainLoop::quit();
+ });
+
+ $update->();
+ Amanda::MainLoop::run();
+}
+
+rmtree($taperoot);
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