From 91538f8fc4ca347e41cd59db36048065b90b8242 Mon Sep 17 00:00:00 2001 From: Damyan Ivanov Date: Sun, 21 Nov 2021 08:46:30 +0000 Subject: [PATCH] convert Feeder to unit-level class too --- lib/App/MPD/Feeder.pm | 511 +++++++++++++++++++++--------------------- 1 file changed, 254 insertions(+), 257 deletions(-) diff --git a/lib/App/MPD/Feeder.pm b/lib/App/MPD/Feeder.pm index 60b54a5..e9029c9 100644 --- a/lib/App/MPD/Feeder.pm +++ b/lib/App/MPD/Feeder.pm @@ -1,9 +1,7 @@ -package App::MPD::Feeder; - -use strict; -use warnings; +use v5.28; use utf8; -use feature 'state'; +use Object::Pad; +class App::MPD::Feeder; use App::MPD::Feeder::DB; use App::MPD::Feeder::Options; @@ -18,322 +16,321 @@ use Net::Async::MPD; use Object::Pad; use Syntax::Keyword::Try; -class App::MPD::Feeder { - has $cfg_file :reader; - has $opt :reader; - has $db :reader; - has $db_needs_update :writer = 1; - has $mpd :reader; - has $idler; - has $work_queue = App::MPD::Feeder::WorkQueue->new; - has $last_mpd_comm; +has $cfg_file :reader; +has $opt :reader; +has $db :reader; +has $db_needs_update :writer = 1; +has $mpd :reader; +has $idler; +has $work_queue = App::MPD::Feeder::WorkQueue->new; +has $last_mpd_comm; use constant DEFAULT_CONFIG_FILE => '/etc/mpd-feeder/mpd-feeder.conf'; - ADJUST { - Getopt::Long::Configure('pass_through'); - Getopt::Long::GetOptions('cfg|config=s' => \$cfg_file); - Getopt::Long::Configure('no_pass_through'); +ADJUST { + Getopt::Long::Configure('pass_through'); + Getopt::Long::GetOptions('cfg|config=s' => \$cfg_file); + Getopt::Long::Configure('no_pass_through'); - $cfg_file //= DEFAULT_CONFIG_FILE if -e DEFAULT_CONFIG_FILE; + $cfg_file //= DEFAULT_CONFIG_FILE if -e DEFAULT_CONFIG_FILE; - $self->configure; + $self->configure; - $db_needs_update = 0 if $opt->skip_db_update; - } - - method configure { - my $new_opt = App::MPD::Feeder::Options->new; + $db_needs_update = 0 if $opt->skip_db_update; +} - $new_opt->parse_config_file($cfg_file) if $cfg_file; +method configure { + my $new_opt = App::MPD::Feeder::Options->new; - $new_opt->parse_command_line; + $new_opt->parse_config_file($cfg_file) if $cfg_file; - Log::Any::Adapter->set( Stderr => log_level => $new_opt->log_level ); + $new_opt->parse_command_line; - $opt = $new_opt; + Log::Any::Adapter->set( Stderr => log_level => $new_opt->log_level ); - $db = App::MPD::Feeder::DB->new( opt => $opt ); - } + $opt = $new_opt; - method connect_mpd { - return if $mpd; + $db = App::MPD::Feeder::DB->new( opt => $opt ); +} - my %conn = ( auto_connect => 1 ); - $conn{host} = $opt->mpd_host if $opt->mpd_host; - $conn{port} = $opt->mpd_port if $opt->mpd_port; +method connect_mpd { + return if $mpd; - $mpd = Net::Async::MPD->new(%conn); + my %conn = ( auto_connect => 1 ); + $conn{host} = $opt->mpd_host if $opt->mpd_host; + $conn{port} = $opt->mpd_port if $opt->mpd_port; - $mpd->on( - close => sub { - die "Connection to MPD lost"; - } - ); - $mpd->on( - playlist => sub { - $work_queue->add('playlist'); - } - ); - $mpd->on( - database => sub { - $work_queue->add('database'); - } - ); + $mpd = Net::Async::MPD->new(%conn); - my $int_signal_handler = sub { - state $signal_count = 0; - $signal_count++; - $log->debug("Signal received. Stopping loop"); - $work_queue->add('quit'); - $self->break_idle; - - if ( $signal_count > 1 ) { - $log->warn("Another signal received (#$signal_count)"); - $log->warn("Exiting abruptly"); - exit 2; - } - }; - - for (qw(TERM INT)) { - $mpd->loop->add( - IO::Async::Signal->new( - name => $_, - on_receipt => $int_signal_handler, - ) - ); + $mpd->on( + close => sub { + die "Connection to MPD lost"; } + ); + $mpd->on( + playlist => sub { + $work_queue->add('playlist'); + } + ); + $mpd->on( + database => sub { + $work_queue->add('database'); + } + ); + + my $int_signal_handler = sub { + state $signal_count = 0; + $signal_count++; + $log->debug("Signal received. Stopping loop"); + $work_queue->add('quit'); + $self->break_idle; + + if ( $signal_count > 1 ) { + $log->warn("Another signal received (#$signal_count)"); + $log->warn("Exiting abruptly"); + exit 2; + } + }; + for (qw(TERM INT)) { $mpd->loop->add( IO::Async::Signal->new( - name => 'HUP', - on_receipt => sub { - $log->debug("SIGHUP received. Scheduling reload"); - $work_queue->add('reload'); - $self->break_idle; - }, - ) - ); - - $mpd->loop->add( - IO::Async::Signal->new( - name => 'USR1', - on_receipt => sub { - $log->debug("SIGUSR1 received. Dumping configuration to STDERR"); - my $old = select \*STDERR; - try { - $opt->dump; - } - finally { - select $old; - } - }, + name => $_, + on_receipt => $int_signal_handler, ) ); } - method connect_db { - $db->connect($opt); - $self->update_db; - } - - method update_db($force = undef) { - if (!$db_needs_update and !$force) { - $log->debug("Skipping DB update"); - return; - } - - $log->info('Updating song database'); - $self->connect_mpd; - - my $rows = $mpd->send('listallinfo')->get; + $mpd->loop->add( + IO::Async::Signal->new( + name => 'HUP', + on_receipt => sub { + $log->debug("SIGHUP received. Scheduling reload"); + $work_queue->add('reload'); + $self->break_idle; + }, + ) + ); + + $mpd->loop->add( + IO::Async::Signal->new( + name => 'USR1', + on_receipt => sub { + $log->debug("SIGUSR1 received. Dumping configuration to STDERR"); + my $old = select \*STDERR; + try { + $opt->dump; + } + finally { + select $old; + } + }, + ) + ); +} - $log->trace('got all songs from MPD'); +method connect_db { + $db->connect($opt); + $self->update_db; +} - $db->start_update; - try { - my $song_count; +method update_db($force = undef) { + if (!$db_needs_update and !$force) { + $log->debug("Skipping DB update"); + return; + } - foreach my $entry (@$rows) { - next unless exists $entry->{file}; + $log->info('Updating song database'); + $self->connect_mpd; - $self->db->store_song( $entry->{file}, - $entry->{AlbumArtist} // $entry->{Artist}, - $entry->{Album} ); + my $rows = $mpd->send('listallinfo')->get; - $song_count++; - } + $log->trace('got all songs from MPD'); - my ($total_songs, $total_artists, $total_albums, - $new_songs, $new_artists, $new_albums - ) = $self->db->finish_update; + $db->start_update; + try { + my $song_count; - $log->info( - "Updated data about $song_count songs (including $new_songs new), " - . "$total_artists artists (including $new_artists new) " + foreach my $entry (@$rows) { + next unless exists $entry->{file}; - . "and $total_albums albums (including $new_albums new)" - ); + $self->db->store_song( $entry->{file}, + $entry->{AlbumArtist} // $entry->{Artist}, + $entry->{Album} ); - $db_needs_update = 0; + $song_count++; } - catch { - my $err = $@; - $self->db->cancel_update; - die $err; - } - } - method queue_songs($num = undef) { - $self->connect_db; - if (!defined $num) { - $self->connect_mpd; - $log->trace("Requesting playlist"); - my $present = $mpd->send('playlist')->get // []; - $present = scalar(@$present); - - $log->notice( "Playlist contains $present songs. Wanted: " - . $opt->target_queue_length ); - if ( $present < $opt->target_queue_length ) { - $self->queue_songs( - $opt->target_queue_length - $present ); - } + my ($total_songs, $total_artists, $total_albums, + $new_songs, $new_artists, $new_albums + ) = $self->db->finish_update; - return; - } + $log->info( + "Updated data about $song_count songs (including $new_songs new), " + . "$total_artists artists (including $new_artists new) " - my @list = $self->db->find_suitable_songs($num); + . "and $total_albums albums (including $new_albums new)" + ); - die "Found no suitable songs" unless @list; + $db_needs_update = 0; + } + catch { + my $err = $@; + $self->db->cancel_update; + die $err; + } +} - if ( @list < $num ) { - $log->warn( - sprintf( - 'Found only %d suitable songs instead of %d', - scalar(@list), $num - ) - ); +method queue_songs($num = undef) { + $self->connect_db; + if (!defined $num) { + $self->connect_mpd; + $log->trace("Requesting playlist"); + my $present = $mpd->send('playlist')->get // []; + $present = scalar(@$present); + + $log->notice( "Playlist contains $present songs. Wanted: " + . $opt->target_queue_length ); + if ( $present < $opt->target_queue_length ) { + $self->queue_songs( + $opt->target_queue_length - $present ); } - $log->info("About to add $num songs to the playlist"); + return; + } + + my @list = $self->db->find_suitable_songs($num); - my @paths; - for my $song (@list) { - my $path = $song->{song}; - $path =~ s/"/\\"/g; - push @paths, $path; - } + die "Found no suitable songs" unless @list; - $log->debug( "Adding " . join( ', ', map {"«$_»"} @paths ) ); - # MPD needs raw bytes - utf8::encode($_) for @paths; - my @commands; - for (@paths) { - push @commands, [ add => "\"$_\"" ]; - } - $self->connect_mpd; - my $f = $mpd->send( \@commands ); - $f->on_fail( sub { die @_ } ); - $f->on_done( - sub { - $self->db->note_song_qeued($_) for @list; - } + if ( @list < $num ) { + $log->warn( + sprintf( + 'Found only %d suitable songs instead of %d', + scalar(@list), $num + ) ); - $f->get; } - method stop { - undef $mpd; + $log->info("About to add $num songs to the playlist"); - $db->disconnect; + my @paths; + for my $song (@list) { + my $path = $song->{song}; + $path =~ s/"/\\"/g; + push @paths, $path; } - method handle_work_queue { - while ( my $item = $work_queue->next ) { - if ( $item eq 'playlist' ) { - $self->queue_songs; - } - elsif ( $item eq 'database' ) { - $db_needs_update = 1; - $self->update_db; - } - elsif ( $item eq 'reload' ) { - $log->notice("disconnecting and re-starting"); - $self->stop; - - my @exec = - ( $0, '--config', $self->cfg_file, '--skip-db-update' ); - if ( $log->is_trace ) { - $log->trace( 'exec ' - . join( ' ', map { /\s/ ? "'$_'" : $_ } @exec ) ); - } - exec(@exec); - } - elsif ( $item eq 'quit' ) { - $log->trace("quitting"); - $self->stop; - exit 0; - } - else { - die "Unknown work queue item '$item'"; - } - } + $log->debug( "Adding " . join( ', ', map {"«$_»"} @paths ) ); + # MPD needs raw bytes + utf8::encode($_) for @paths; + my @commands; + for (@paths) { + push @commands, [ add => "\"$_\"" ]; } + $self->connect_mpd; + my $f = $mpd->send( \@commands ); + $f->on_fail( sub { die @_ } ); + $f->on_done( + sub { + $self->db->note_song_qeued($_) for @list; + } + ); + $f->get; +} - method break_idle { - if ($idler && !$idler->is_ready) { - $log->trace("hand-sending 'noidle'"); - undef $idler; - $mpd->{mpd_handle}->write("noidle\n");; +method stop { + undef $mpd; + + $db->disconnect; +} + +method handle_work_queue { + while ( my $item = $work_queue->next ) { + if ( $item eq 'playlist' ) { + $self->queue_songs; + } + elsif ( $item eq 'database' ) { + $db_needs_update = 1; + $self->update_db; + } + elsif ( $item eq 'reload' ) { + $log->notice("disconnecting and re-starting"); + $self->stop; + + my @exec = + ( $0, '--config', $self->cfg_file, '--skip-db-update' ); + if ( $log->is_trace ) { + $log->trace( 'exec ' + . join( ' ', map { /\s/ ? "'$_'" : $_ } @exec ) ); + } + exec(@exec); + } + elsif ( $item eq 'quit' ) { + $log->trace("quitting"); + $self->stop; + exit 0; } else { - $log->trace("no idler found"); + die "Unknown work queue item '$item'"; } } +} - method run_loop { - $self->connect_mpd; - $self->connect_db; +method break_idle { + if ($idler && !$idler->is_ready) { + $log->trace("hand-sending 'noidle'"); + undef $idler; + $mpd->{mpd_handle}->write("noidle\n");; + } + else { + $log->trace("no idler found"); + } +} - $mpd->loop->add( - IO::Async::Timer::Periodic->new( - interval => 60, - on_tick => sub { - if ( time - $last_mpd_comm > 300 ) { - - $log->trace( - "no active MPD communication for more that 5 minutes" - ); - $log->trace("forcing alive check"); - $self->break_idle; - } - else { - $log->trace("contacted MPD less than 5 minutes ago. skipping alive check"); - } - }, - )->start - ); +method run_loop { + $self->connect_mpd; + $self->connect_db; - $self->queue_songs; + $mpd->loop->add( + IO::Async::Timer::Periodic->new( + interval => 60, + on_tick => sub { + if ( time - $last_mpd_comm > 300 ) { - for ( ;; ) { - $log->debug("Waiting idle. PID=$$"); - $last_mpd_comm = time; - $idler = $mpd->send("idle database playlist"); - my $result = $idler->get; - undef $idler; + $log->trace( + "no active MPD communication for more that 5 minutes" + ); + $log->trace("forcing alive check"); + $self->break_idle; + } + else { + $log->trace("contacted MPD less than 5 minutes ago. skipping alive check"); + } + }, + )->start + ); - if ($result and $result->{changed}){ - my $changed = $result->{changed}; - $changed = [ $changed ] unless ref $changed; + $self->queue_songs; - $mpd->emit($_) for @$changed; - } + for ( ;; ) { + $log->debug("Waiting idle. PID=$$"); + $last_mpd_comm = time; + $idler = $mpd->send("idle database playlist"); + my $result = $idler->get; + undef $idler; - $log->trace('got out of idle'); + if ($result and $result->{changed}){ + my $changed = $result->{changed}; + $changed = [ $changed ] unless ref $changed; - $self->handle_work_queue; + $mpd->emit($_) for @$changed; } + + $log->trace('got out of idle'); + + $self->handle_work_queue; } } +1; -- 2.39.2