use Getopt::Long ();
use Log::Any qw($log);
-use Log::Any::Adapter Stderr => log_level => 'trace';
+use Log::Any::Adapter Stderr => log_level => 'error';
use Object::Pad;
use Syntax::Keyword::Try;
class Options {
+ use Log::Any qw($log);
use Time::Duration qw(duration_exact);
use Time::Duration::Parse qw(parse_duration);
has $log_level :reader = 'warn';
Getopt::Long::GetOptions(
'log-level=s' => \$log_level,
'skip-db-update!' => \$skip_db_update,
- 'tql|target-queue-length=n' => \$target_queue_length,
- 'mpd-host=s' => \$mpd_host,
- 'mpd-port=s' => \$mpd_port,
- 'db-path=s' => \$db_path,
- 'db-user=s' => \$db_user,
- 'min-album-interval=s' => sub {
+ 'tql|target-queue-length=n' => sub {
+ $target_queue_length = parse_integer(pop);
+ },
+ 'mpd-host=s' => \$mpd_host,
+ 'mpd-port=s' => \$mpd_port,
+ 'db-path=s' => \$db_path,
+ 'db-user=s' => \$db_user,
+ 'min-album-interval=s' => sub {
$min_album_interval = parse_duration(pop);
},
'min-sing-interval=s' => sub {
$value = $converter->($value) if $converter;
$$target_ref = $value;
+
+ $log->trace("Option $section.$option = $value");
}
method dump {
say "[mpd]";
say "host = " . ( $mpd_host // '' );
say "port = " . ( $mpd_port // '' );
- say "target-queue-length = $target_queue_length";
say "";
say "[queue]";
say "target-length = $target_queue_length";
say "password = " . ( $db_password // '' );
}
+ sub parse_integer($input) {
+ die "Invalid integer value '$input'" unless $input =~ /^\+?\d{1,18}$/;
+ return $input + 0;
+ }
+
method parse_config_file($path) {
+ $log->trace("Parsing configuration file $path");
+
use Config::INI::Reader;
my $ini = Config::INI::Reader->read_file($path);
handle_config_option( $ini => 'mpd-feeder' => log_level => \$log_level );
handle_config_option(
- $ini => queue => 'target-length' => \$target_queue_length );
+ $ini => queue => 'target-length' => \$target_queue_length,
+ \&parse_integer
+ );
handle_config_option(
$ini => queue => 'min-song-interval' => \$min_song_interval,
\&parse_duration
}
class Feeder {
+ has $cfg_file :reader;
has $opt :reader;
has $db;
has $db_generation;
- has $db_needs_update = 1;
+ has $db_needs_update :writer = 1;
has $mpd :reader;
use constant DEFAULT_CONFIG_FILE => '/etc/mpd-feeder/mpd-feeder.conf';
use DBD::Pg;
use DBI;
use Log::Any qw($log);
+use IO::Async::Signal;
use Net::Async::MPD;
ADJUST {
- $opt = Options->new;
+ Getopt::Long::Configure('pass_through');
+ Getopt::Long::GetOptions('cfg|config=s' => \$cfg_file);
+ Getopt::Long::Configure('no_pass_through');
- {
- my $cfg_file;
- 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;
- $opt->parse_config_file($cfg_file) if $cfg_file;
- }
+ $db_needs_update = 0 if $opt->skip_db_update;
+ }
- $opt->parse_command_line;
+ method configure {
+ my $new_opt = Options->new;
- $db_needs_update = 0 if $opt->skip_db_update;
+ $new_opt->parse_config_file($cfg_file) if $cfg_file;
+
+ $new_opt->parse_command_line;
+
+ Log::Any::Adapter->set( Stderr => log_level => $new_opt->log_level );
- Log::Any::Adapter->set( Stderr => log_level => $opt->log_level );
+ $opt = $new_opt;
}
method connect_mpd {
$conn{port} = $opt->mpd_port if $opt->mpd_port;
$mpd = Net::Async::MPD->new(%conn);
+
+ $mpd->loop->add(
+ IO::Async::Signal->new(
+ name => 'HUP',
+ on_receipt => sub {
+ $log->debug("SIGHUP received. Stopping loop");
+ $mpd->loop->stop('reload');
+ },
+ )
+ );
+
+ $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;
+ }
+ },
+ )
+ );
}
method connect_db {
foreach my $entry (@$rows) {
next unless exists $entry->{file};
$self->db_store_song( $entry->{file},
- $entry->{Artist}, $entry->{Album} );
+ $entry->{AlbumArtist}, $entry->{Album} );
$song_count++;
}
return @result;
}
+ method db_add_unwanted_artist($artist) {
+ $self->connect_db;
+
+ try {
+ $db->do(
+ <<'SQL',
+INSERT INTO unwanted_artists(artist, generation)
+VALUES($1, $2)
+SQL
+ undef, $artist, $db_generation
+ );
+ return 1;
+ }
+ catch {
+ my $err = $@;
+
+ $log->debug("PostgreSQL error: $err");
+ $log->debug( "SQLSTATE = " . $db->state );
+ return 0 if $db->state eq '23505';
+
+ die $err;
+ }
+ }
+
+ method db_del_unwanted_artist($artist) {
+ $self->connect_db;
+
+ return 1 == $db->do(
+ <<'SQL',
+DELETE FROM unwanted_artists
+WHERE artist = $1
+SQL
+ undef, $artist
+ );
+ }
+
method queue_songs($num = undef, $callback = undef) {
if (!defined $num) {
$self->connect_mpd;
sub {
my $present = scalar @{ $_[0] };
- $log->notice("Playlist contains $present songs");
+ $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, $callback );
$f->on_fail( sub { die @_ } );
$f->on_done(
sub {
- warn $_ for @_;
$self->db_note_song_qeued($_) for @list;
$callback->(@_) if $callback;
}
$log->trace('declaring idle mode');
$mpd->send('idle database playlist')->on_done(
sub {
- warn $_ for @_;
my $result = shift;
if ( $result->{changed} eq 'database' ) {
$self->prepare_to_wait_idle;
}
-}
-my $feeder = Feeder->new();
+ method stop {
+ undef $mpd;
+
+ if ($db) {
+ if ($db->{ActiveKids}) {
+ $log->warn("$db->{ActiveKids} active DB statements");
+ for my $st ( @{ $db->{ChildHandles} } ) {
+ next unless $st->{Active};
+ while(my($k,$v) = each %$st) {
+ $log->debug("$k = ".($v//'<NULL>'));
+ }
+ }
+ }
-sub usage {
- die "Usage: mpd-feeder [option...] [command]\n";
+ $db->disconnect;
+ undef $db;
+ }
+ }
}
-if (@ARGV) {
- usage if @ARGV > 1;
+my $feeder = Feeder->new();
+if (@ARGV) {
my $cmd = shift @ARGV;
if ($cmd eq 'dump-config') {
+ die "dump-config command accepts no arguments\n" if @ARGV;
+
$feeder->opt->dump;
exit;
}
-# FIXME: handle blacklist manipulation
+
+ if ( $cmd eq 'add-unwanted-artist' ) {
+ die "Missing command arguments\n" unless @ARGV;
+ $feeder->set_db_needs_update(0);
+ for my $artist (@ARGV) {
+ if ( $feeder->db_add_unwanted_artist($artist) ) {
+ $log->info("Artist '$artist' added to the unwanted list\n");
+ }
+ else {
+ $log->warn("Artist '$artist' already in the unwanted list\n");
+ }
+ }
+ exit;
+ }
+
+ if ( $cmd eq 'del-unwanted-artist' ) {
+ die "Missing command arguments\n" unless @ARGV;
+ $feeder->set_db_needs_update(0);
+ for my $artist (@ARGV) {
+ if ( $feeder->db_del_unwanted_artist($artist) ) {
+ $log->info("Artist '$artist' deleted from the unwanted list\n");
+ }
+ else {
+ $log->warn("Artist '$artist' is not in the unwanted list\n");
+ }
+ }
+ exit;
+ }
+
+ if ( $cmd eq 'add-unwanted-album' ) {
+ die "NOT IMPLEMENTED\n";
+ }
if ( $cmd eq 'one-shot' ) {
+ die "one-shot command accepts no arguments\n" if @ARGV;
+
$feeder->queue_songs(undef, sub { exit });
$feeder->mpd->loop->run;
}
elsif ( $cmd eq 'single' ) {
+ die "single command accepts no arguments\n" if @ARGV;
+
$feeder->queue_songs(1, sub { exit });
$feeder->mpd->loop->run;
}
}
}
-$feeder->queue_songs( undef, sub { $feeder->run } );
+for ( ;; ) {
+ $feeder->queue_songs( undef, sub { $feeder->run } );
+
+ $log->debug("Entering event loop. PID=$$");
-$feeder->mpd->loop->run;
+ my $result = $feeder->mpd->loop->run;
+ $log->trace( "Got loop result of " . ( $result // 'undef' ) );
+
+ if ('reload' eq $result) {
+ $log->notice("disconnecting");
+ $feeder->stop;
+
+ exec( "$0", '--config', $feeder->cfg_file, '--skip-db-update' );
+ }
+}