Newbie: Where to get support for basic Perl problem?

Discussion in 'Perl Misc' started by Clive, Jun 18, 2010.

  1. Clive

    Clive Guest

    Hello,

    I am not a perl programmer. I am trying to implement a Perl Script,
    Squeezebox Server (v7.5.0), on a FreeNAS server. the purpose of the
    script is to provide a SlimNAS / squeezebox server on an existing
    FreeNAS server so I can use my Logitech "client" to access the mp3
    music files held on the FreeNAS Server. The installation is all
    packaged and documented and the install seems to have completed
    correctly as documented.
    See http://www.herger.net/slim/detail.php?nr=1026

    Now , the simple problem is I can't get the squeezebox server to run
    on FreeNAS. It is supposed to work i.e. people have written it works.
    I have posted lots of diagnostic info on both squeezebox and freenas
    forums. http://forums.slimdevices.com/showthread.php?t=79395&highlight=clive

    However, no one on the forum has come up with a solution. I am
    guessing (and it is a guess) there is some problem running the
    supplied Perl script(s) on my FreeNAS server. I don't have the
    technical knowledge to diagnose nor fix the problem. Can anyone
    suggest where will be a good place (if not here) to go for advice and
    support?

    The script (??) puts out diagnostic messages - that may be significant
    - and maybe to do with the Perl script or have nothign to do with
    Perl, I just don't know.

    [10-06-16 21:05:33.2317] main::init (323) Starting Squeezebox Server
    (v7.5.0, r30464, Thu Apr 1 06:28:42 MDT 2010) perl 5.008009
    [10-06-16 21:05:33.2853] main::init (400) Warning: Can't locate UUID/
    Tiny.pm in @INC (@INC contains: /mnt/freenasmount/Slimnas/squeezebox/
    CPAN/arch/5.8/i386-freebsd-64int /mnt/freenasmount/Slimnas/squeezebox/
    CPAN/arch/5.8/i386-freebsd-64int/auto ..... (lots of libraries
    including one that holds Tiny.pm)

    Any help to get squeezebox working on FreeNAS will be much
    appreciated.

    Clive
    Clive, Jun 18, 2010
    #1
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  2. Clive

    Ralph Malph Guest

    > [10-06-16 21:05:33.2317] main::init (323) Starting Squeezebox Server
    > (v7.5.0, r30464, Thu Apr 1 06:28:42 MDT 2010) perl 5.008009
    > [10-06-16 21:05:33.2853] main::init (400) Warning: Can't locate UUID/
    > Tiny.pm in @INC (@INC contains: /mnt/freenasmount/Slimnas/squeezebox/
    > CPAN/arch/5.8/i386-freebsd-64int /mnt/freenasmount/Slimnas/squeezebox/
    > CPAN/arch/5.8/i386-freebsd-64int/auto ..... (lots of libraries
    > including one that holds Tiny.pm)


    I have no knowledge of this software you are trying to install but
    it looks like you need to install some modules from cpan!
    Read this web page to learn how:
    http://perl.about.com/od/packagesmodules/qt/perlcpan.htm
    Ralph Malph, Jun 18, 2010
    #2
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  3. Clive

    Clive Guest

    {quote=
    I have no knowledge of this software you are trying to install but it
    looks like you need to install some modules from cpan! }

    Maybe – but as I wrote the module Tiny.pm is in the search list

    {quote=
    I dunno what that Tiny.pm might be, but it is not the one that is
    being looked for.
    It first looks for a *directory* named UUID under one of the
    listed @INC dirs, then it looks for a file named Tiny.pm
    inside of that UUID/ directory. }

    Yes, I understand.
    The INC statement has the following references

    [10-06-19 09:40:57.7131] main::init (400) Warning: Can't locate UUID/
    Tiny.pm in @INC
    (@INC contains:
    << Snipped lots of CPAN libraries >>
    /mnt/freenasmount/Slimnas/squeezebox/CPAN
    /mnt/freenasmount/Slimnas/squeezebox
    /usr/local/lib/perl5/5.8.9/BSDPAN
    << snip /usr/local libraries
    at /mnt/freenasmount/Slimnas/squeezebox/slimserver.pl line 400.

    When I look in
    /mnt/freenasmount/Slimnas/squeezebox/CPAN/UUID library on the FreeNAS
    server, then “module” Tiny.pm IS in there – so why isn't it being
    found and loaded? (I'm not sure if “found” “Loaded” are the correct
    Perl terms)


    {quote=
    Definitely Perl libraries are missing, or are in the wrong place and
    can't be found.  But what you say about Tiny.pm actually being in one
    of the libraries in the @INC path (like a system path but for Perl
    modules) suggests some mis-configuration on installation. }
    OK – but do you have a suggestion where I can look for more info to
    isolate the problem?

    {quote=

    Have you seen where it says "If you have any questions or problems,
    don't hesitate to contact me in the Squeezebox Server forums. " at the
    bottom of the installation page you referred to?  Might be better to
    post there first to eliminate Squeezebox-specific problems and narrow
    it down to Perl. }
    Yes, as in my first post, I gave the link to my posting of the problem
    on the squeezebox forum. The author of the script responded (see, in
    the thread) but since then has not come up with a solution. I have to
    work on the assumption he can't help me diagnose my particular
    problem. So, no criticism of him, I'm casting around for others who
    may have stronger Perl knowledge to help diagnose the problem, which
    is why I posted here with a link back to the work I have done so far.

    {quote=
    I googled a bit and I found reference to a "build-perl-modules.pl"
    script (I know nothing about Squeezebox either) ... maybe there's an
    extra step in some environments. }
    I very much appreciate your comments but you have left me stumped as
    to what to do next.
    Clive, Jun 19, 2010
    #3
  4. Clive

    Clive Guest

    I don't know if the following will help but I think this is the
    script, slimserver.pl, being executed

    #!/usr/bin/perl -w

    # Squeezebox Server Copyright 2001-2009 Logitech.
    # This program is free software; you can redistribute it and/or
    # modify it under the terms of the GNU General Public License,
    # version 2.
    #
    # 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.
    #

    require 5.008_001;
    use strict;
    use warnings;

    use constant SLIM_SERVICE => 0;
    use constant SCANNER => 0;
    use constant RESIZER => 0;
    use constant TRANSCODING => ( grep { /--notranscoding/ } @ARGV ) ?
    0 : 1;
    use constant PERFMON => ( grep { /--perfwarn/ } @ARGV ) ? 1 : 0;
    use constant DEBUGLOG => ( grep { /--no(?:debug|info)log/ }
    @ARGV ) ? 0 : 1;
    use constant INFOLOG => ( grep { /--noinfolog/ } @ARGV ) ? 0 : 1;
    use constant SB1SLIMP3SYNC=> ( grep { /--nosb1slimp3sync/ } @ARGV ) ?
    0 : 1;
    use constant WEBUI => ( grep { /--noweb/ } @ARGV ) ? 0 : 1;
    use constant ISWINDOWS => ( $^O =~ /^m?s?win/i ) ? 1 : 0;
    use constant ISMAC => ( $^O =~ /darwin/i ) ? 1 : 0;

    use Config;
    my %check_inc;
    $ENV{PERL5LIB} = join $Config{path_sep}, grep { !$check_inc{$_}++ }
    @INC;

    # This package section is used for the windows service version of the
    application,
    # as built with ActiveState's PerlSvc
    package PerlSvc;

    our %Config = (
    DisplayName => 'Squeezebox Server',
    Description => "Squeezebox Server - streaming music server",
    ServiceName => "squeezesvc",
    StartNow => 0,
    );

    sub Startup {
    # Tell PerlSvc to bundle these modules
    if (0) {
    require 'auto/Compress/Raw/Zlib/autosplit.ix';
    }

    # added to workaround a problem with 5.8 and perlsvc.
    # $SIG{BREAK} = sub {} if RunningAsService();
    main::initOptions();
    main::init();

    # here's where your startup code will go
    while (ContinueRun() && !main::idle()) { }

    main::stopServer();
    }

    sub Install {

    my($Username,$Password);

    use Getopt::Long;

    Getopt::Long::GetOptions(
    'username=s' => \$Username,
    'password=s' => \$Password,
    );

    main::initLogging();

    if ((defined $Username) && ((defined $Password) && length($Password) !
    = 0)) {
    my @infos;
    my ($host, $user);

    # use the localhost '.' by default, unless user has defined "domain
    \username"
    if ($Username =~ /(.+)\\(.+)/) {
    $host = $1;
    $user = $2;
    }
    else {
    $host = '.';
    $user = $Username;
    }

    # configure user to be used to run the server
    my $grant = PerlSvc::extract_bound_file('grant.exe');
    if ($host && $user && $grant && !`$grant add SeServiceLogonRight
    $user`) {
    $Config{UserName} = "$host\\$user";
    $Config{Password} = $Password;
    }
    }
    }

    sub Interactive {
    main::main();
    }

    sub Remove {
    # add your additional remove messages or functions here
    main::initLogging();
    }

    sub Help {
    main::showUsage();
    main::initLogging();
    }

    package main;

    use FindBin qw($Bin);
    use lib $Bin;

    our @argv;

    BEGIN {
    # With EV, only use select backend
    # I have seen segfaults with poll, and epoll is not stable
    $ENV{LIBEV_FLAGS} = 1;

    # set the AnyEvent model to our subclassed version when PERFMON is
    enabled
    $ENV{PERL_ANYEVENT_MODEL} = 'PerfMonEV' if main::pERFMON;
    $ENV{PERL_ANYEVENT_MODEL} ||= 'EV';

    # save argv
    @argv = @ARGV;

    use Slim::bootstrap;
    use Slim::Utils::OSDetect;

    Slim::bootstrap->loadModules();
    };

    use File::Slurp;
    use Getopt::Long;
    use File::Spec::Functions qw:)ALL);
    use POSIX qw(setsid);
    use Time::HiRes;
    use EV;
    use AnyEvent;

    # Force XML::Simple to use XML::parser for speed. This is done
    # here so other packages don't have to worry about it. If we
    # don't have XML::parser installed, we fall back to PurePerl.
    #
    # Only use XML::Simple 2.15 an above, which has support for pass-by-
    ref
    use XML::Simple qw(2.15);

    eval {
    local($^W) = 0; # Suppress warning from Expat.pm re
    File::Spec::load()
    require XML::parser;
    };

    if (!$@) {
    $XML::Simple::pREFERRED_PARSER = 'XML::parser';
    }

    use Slim::Utils::Log;
    use Slim::Utils::prefs;
    use Slim::Utils::Misc;
    use Slim::Buttons::Common;
    use Slim::Buttons::Home;
    use Slim::Buttons::power;
    use Slim::Buttons::Search;
    use Slim::Buttons::ScreenSaver;
    use Slim::Utils::pluginManager;
    use Slim::Buttons::Synchronize;
    use Slim::Buttons::Input::Text;
    use Slim::Buttons::Input::Time;
    use Slim::Buttons::Input::List;
    use Slim::Buttons::Input::Choice;
    use Slim::Buttons::Input::Bar;
    use Slim::Buttons::Settings;
    use Slim::player::Client;
    use Slim::Control::Request;
    use Slim::Web::HTTP;
    use Slim::Hardware::IR;
    use Slim::Menu::TrackInfo;
    use Slim::Menu::AlbumInfo;
    use Slim::Menu::ArtistInfo;
    use Slim::Menu::GenreInfo;
    use Slim::Menu::YearInfo;
    use Slim::Menu::SystemInfo;
    use Slim::Menu::playlistInfo;
    use Slim::Menu::FolderInfo;
    use Slim::Menu::GlobalSearch;
    use Slim::Music::Info;
    use Slim::Music::Import;
    use Slim::Utils::OSDetect;
    use Slim::player::playlist;
    use Slim::player::Sync;
    use Slim::player::Source;
    use Slim::Utils::Cache;
    use Slim::Utils::Scanner;
    use Slim::Utils::Scheduler;
    use Slim::Networking::Async::DNS;
    use Slim::Networking::Select;
    use Slim::Networking::SqueezeNetwork;
    use Slim::Networking::UDP;
    use Slim::Control::Stdio;
    use Slim::Utils::Strings qw(string);
    use Slim::Utils::Timers;
    use Slim::Utils::Update;
    use Slim::Networking::Slimproto;
    use Slim::Networking::SimpleAsyncHTTP;
    use Slim::Utils::Firmware;
    use Slim::Control::Jive;
    use Slim::Formats::RemoteMetadata;

    if ( SB1SLIMP3SYNC ) {
    require Slim::player::SB1SliMP3Sync;
    }

    if ( DEBUGLOG ) {
    require Data::Dump;
    require Slim::Utils::perlRunTime;
    }

    my $sqlHelperClass = Slim::Utils::OSDetect->getOS()->sqlHelperClass();
    eval "use $sqlHelperClass";
    die $@ if $@;

    our @AUTHORS = (
    'Sean Adams',
    'Vidur Apparao',
    'Dean Blackketter',
    'Kevin Deane-Freeman',
    'Andy Grundman',
    'Amos Hayes',
    'Michael Herger',
    'Christopher Key',
    'Ben Klaas',
    'Mark Langston',
    'Eric Lyons',
    'Scott McIntyre',
    'Robert Moser',
    'Felix Müller',
    'Dave Nanian',
    'Jacob Potter',
    'Sam Saffron',
    'Roy M. Silvernail',
    'Adrian Smith',
    'Richard Smith',
    'Max Spicer',
    'Dan Sully',
    'Richard Titmuss',
    'Alan Young'
    );

    my $prefs = preferences('server');

    our $VERSION = '7.5.0';
    our $REVISION = undef;
    our $BUILDDATE = undef;
    our $audiodir = undef;
    our $playlistdir = undef;
    our $httpport = undef;

    our (
    $inInit,
    $cachedir,
    $user,
    $group,
    $cliaddr,
    $cliport,
    $daemon,
    $diag,
    $help,
    $httpaddr,
    $lastlooptime,
    $logfile,
    $logdir,
    $logconf,
    $debug,
    $LogTimestamp,
    $localClientNetAddr,
    $localStreamAddr,
    $newVersion,
    $pidfile,
    $prefsfile,
    $priority,
    $quiet,
    $nosetup,
    $noserver,
    $noupnp,
    $noweb, # used in scanner to prevent loading of Slim::Web::pages
    etc.
    $notranscoding,
    $nodebuglog,
    $noinfolog,
    $nosb1slimp3sync,
    $stdio,
    $stop,
    $perfwarn,
    $failsafe,
    $checkstrings,
    $charset,
    $d_startup, # Needed for Slim::bootstrap
    );

    sub init {
    $inInit = 1;

    # Can only have one of NYTPROF and Object-Leak at a time
    if ( $ENV{OBJECT_LEAK} ) {
    require Devel::Leak::Object;
    Devel::Leak::Object->import(qw(GLOBAL_bless));
    $SIG{USR2} = sub {
    Devel::Leak::Object::status();
    warn "Dumping objects...\n";
    };
    }

    # initialize the process and daemonize, etc...
    srand();

    ($REVISION, $BUILDDATE) = Slim::Utils::Misc::parseRevision();

    my $log = logger('server');

    $log->error("Starting Squeezebox Server (v$VERSION, r$REVISION,
    $BUILDDATE) perl $]");

    if ($diag) {
    eval "use diagnostics";
    }

    # force a charset from the command line
    $Slim::Utils::Unicode::lc_ctype = $charset if $charset;

    Slim::Utils::OSDetect::init();

    # initialize Squeezebox Server subsystems
    initSettings();

    # Redirect STDERR to the log file.
    tie *STDERR, 'Slim::Utils::Log::Trapper';

    main::INFOLOG && $log->info("Squeezebox Server OS Specific init...");

    unless (main::ISWINDOWS) {
    $SIG{'HUP'} = \&initSettings;
    }

    if (Slim::Utils::Misc::runningAsService()) {
    $SIG{'QUIT'} = \&Slim::bootstrap::ignoresigquit;
    } else {
    $SIG{'QUIT'} = \&Slim::bootstrap::sigquit;
    }

    $SIG{__WARN__} = sub { msg($_[0]) };

    # Uncomment to enable crash debugging.
    #$SIG{__DIE__} = \&Slim::Utils::Misc::bt;

    # Start/stop profiler during runtime (requires Devel::NYTProf)
    # and NYTPROF env var set to 'start=no'
    if ( $ENV{NYTPROF} && $INC{'Devel/NYTProf.pm'} && $ENV{NYTPROF} =~ /
    start=no/ ) {
    $SIG{USR1} = sub {
    DB::enable_profile();
    warn "Profiling enabled...\n";
    };

    $SIG{USR2} = sub {
    DB::disable_profile();
    warn "Profiling disabled...\n";
    };
    }

    # background if requested
    if (!main::ISWINDOWS && $daemon) {

    main::INFOLOG && $log->info("Squeezebox Server daemonizing...");
    daemonize();

    } else {

    save_pid_file();
    }

    # leave a mark for external tools
    $failsafe ? $prefs->set('failsafe', 1) : $prefs->remove('failsafe');

    # Change UID/GID after the pid & logfiles have been opened.
    unless (Slim::Utils::OSDetect::getOS->dontSetUserAndGroup() ||
    defined($user) eq "root") {
    main::INFOLOG && $log->info("Squeezebox Server settings effective
    user and group if requested...");
    changeEffectiveUserAndGroup();
    }

    # Set priority, command line overrides pref
    if (defined $priority) {
    Slim::Utils::Misc::setPriority($priority);
    } else {
    Slim::Utils::Misc::setPriority( $prefs->get('serverPriority') );
    }

    # Generate a UUID for this SC instance on first-run
    if ( !$prefs->get('server_uuid') ) {
    require UUID::Tiny;
    $prefs->set( server_uuid =>
    UUID::Tiny::create_UUID_as_string( UUID::Tiny::UUID_V4() ) );
    }

    main::INFOLOG && $log->info("Squeezebox Server binary search path
    init...");
    Slim::Utils::OSDetect::getOS->initSearchPath();

    # Find plugins and process any new ones now so we can load their
    strings
    main::INFOLOG && $log->info("Squeezebox Server PluginManager
    init...");
    Slim::Utils::pluginManager->init();

    main::INFOLOG && $log->info("Squeezebox Server strings init...");
    Slim::Utils::Strings::init();

    if ( $sqlHelperClass ) {
    main::INFOLOG && $log->info("Squeezebox Server SQL init...");
    $sqlHelperClass->init();
    }

    main::INFOLOG && $log->info("Async DNS init...");
    Slim::Networking::Async::DNS->init;

    main::INFOLOG && $log->info("Async HTTP init...");
    Slim::Networking::Async::HTTP->init;
    Slim::Networking::SimpleAsyncHTTP->init;

    main::INFOLOG && $log->info("Firmware init...");
    Slim::Utils::Firmware->init;

    main::INFOLOG && $log->info("Squeezebox Server Info init...");
    Slim::Music::Info::init();

    # Load the relevant importers - necessary to ensure that
    Slim::Schema::init() is called.
    if ($prefs->get('audiodir')) {
    require Slim::Music::MusicFolderScan;
    Slim::Music::MusicFolderScan->init();
    }
    if ($prefs->get('playlistdir')) {
    require Slim::Music::playlistFolderScan;
    Slim::Music::playlistFolderScan->init();
    }
    initClass('Slim::plugin::iTunes::Importer') if
    Slim::Utils::pluginManager->isConfiguredEnabled('iTunes');
    initClass('Slim::plugin::MusicMagic::Importer') if
    Slim::Utils::pluginManager->isConfiguredEnabled('MusicMagic');

    main::INFOLOG && $log->info("Squeezebox Server IR init...");
    Slim::Hardware::IR::init();

    main::INFOLOG && $log->info("Squeezebox Server Request init...");
    Slim::Control::Request::init();

    main::INFOLOG && $log->info("Squeezebox Server Buttons init...");
    Slim::Buttons::Common::init();

    if ($stdio) {
    main::INFOLOG && $log->info("Squeezebox Server Stdio init...");
    Slim::Control::Stdio::init(\*STDIN, \*STDOUT);
    }

    main::INFOLOG && $log->info("UDP init...");
    Slim::Networking::UDP::init();

    main::INFOLOG && $log->info("Slimproto Init...");
    Slim::Networking::Slimproto::init();

    main::INFOLOG && $log->info("Cache init...");
    Slim::Utils::Cache->init();

    main::INFOLOG && $log->info("SqueezeNetwork Init...");
    Slim::Networking::SqueezeNetwork->init();

    unless ( $noupnp || $prefs->get('noupnp') ) {
    main::INFOLOG && $log->info("UPnP init...");
    require Slim::Utils::UPnPMediaServer;
    Slim::Utils::UPnPMediaServer::init();
    }

    main::INFOLOG && $log->info("Squeezebox Server HTTP init...");
    Slim::Web::HTTP::init();

    if (main::TRANSCODING) {
    main::INFOLOG && $log->info("Source conversion init..");
    require Slim::player::TranscodingHelper;
    Slim::player::TranscodingHelper::init();
    }

    if (WEBUI && !$nosetup) {
    main::INFOLOG && $log->info("Squeezebox Server Web Settings
    init...");
    require Slim::Web::Setup;
    Slim::Web::Setup::initSetup();
    }

    main::INFOLOG && $log->info('Menu init...');
    Slim::Menu::TrackInfo->init();
    Slim::Menu::AlbumInfo->init();
    Slim::Menu::ArtistInfo->init();
    Slim::Menu::GenreInfo->init();
    Slim::Menu::YearInfo->init();
    Slim::Menu::SystemInfo->init();
    Slim::Menu::playlistInfo->init();
    Slim::Menu::FolderInfo->init();
    Slim::Menu::GlobalSearch->init();

    main::INFOLOG && $log->info('Squeezebox Server Alarms init...');
    Slim::Utils::Alarm->init();

    # load plugins before Jive init so MusicIP hooks to cached artist/
    genre queries from Jive->init() will take root
    main::INFOLOG && $log->info("Squeezebox Server Load Plugins...");
    Slim::Utils::pluginManager->load();

    main::INFOLOG && $log->info("Squeezebox Server Jive init...");
    Slim::Control::Jive->init();

    main::INFOLOG && $log->info("Remote Metadata init...");
    Slim::Formats::RemoteMetadata->init();

    # Reinitialize logging, as plugins may have been added.
    if (Slim::Utils::Log->needsReInit) {

    Slim::Utils::Log->reInit;
    }

    main::INFOLOG && $log->info("Squeezebox Server checkDataSource...");
    checkDataSource();

    # regular server has a couple more initial operations.
    main::INFOLOG && $log->info("Squeezebox Server persist
    playlists...");

    if ($prefs->get('persistPlaylists')) {

    Slim::Control::Request::subscribe(
    \&Slim::player::playlist::modifyPlaylistCallback, [['playlist']]
    );
    }

    # pull in the memory usage module if requested.
    if (main::INFOLOG && logger('server.memory')->is_info) {

    Slim::bootstrap::tryModuleLoad('Slim::Utils::MemoryUsage');

    if ($@) {

    logError("Couldn't load Slim::Utils::MemoryUsage: [$@]");

    } else {

    Slim::Utils::MemoryUsage->init();
    }
    }

    if ( main::pERFMON ) {
    main::INFOLOG && $log->info("Squeezebox Server Perfwarn init...");
    require Slim::Utils::perfMon;
    Slim::Utils::perfMon->init($perfwarn);
    }

    Slim::Utils::Timers::setTimer(
    undef,
    time() + 30,
    \&Slim::Utils::Update::checkVersion,
    );

    main::INFOLOG && $log->info("Squeezebox Server HTTP enable...");
    Slim::Web::HTTP::init2();

    # otherwise, get ready to loop
    $lastlooptime = Time::HiRes::time();

    $inInit = 0;

    main::INFOLOG && $log->info("Squeezebox Server done init...");
    }

    sub main {

    # command line options
    initOptions();

    # all other initialization
    init();

    while (!idle()) {}

    stopServer();
    }

    sub idle {
    # No idle processing during startup
    return if $inInit;

    my $now = EV::now;

    # check for time travel (i.e. If time skips backwards for DST or
    clock drift adjustments)
    if ( $now < $lastlooptime || ( $now - $lastlooptime > 300 ) ) {
    # For all clients that support RTC, we need to adjust their clocks
    for my $client ( Slim::player::Client::clients() ) {
    if ( $client->hasRTCAlarm ) {
    $client->setRTCTime;
    }
    }
    }

    $lastlooptime = $now;

    # This flag indicates we have pending IR or request events to handle
    my $pendingEvents = 0;

    # process IR queue
    $pendingEvents = Slim::Hardware::IR::idle();

    if ( !$pendingEvents ) {
    # empty notifcation queue, only if no IR events are pending
    $pendingEvents = Slim::Control::Request::checkNotifications();

    if ( !main::SLIM_SERVICE && !$pendingEvents ) {
    # run scheduled tasks, only if no other events are pending
    # XXX: need a way to not call this unless someone is using
    Scheduler
    Slim::Utils::Scheduler::run_tasks();
    }
    }

    if ( $pendingEvents ) {
    # Some notifications are still pending, run the loop in non-blocking
    mode
    Slim::Networking::IO::Select::loop( EV::LOOP_NONBLOCK );
    }
    else {
    # No events are pending, run the loop until we get a select event
    Slim::Networking::IO::Select::loop( EV::LOOP_ONESHOT );
    }

    return $::stop;
    }

    sub idleStreams {
    my $timeout = shift || 0;

    # No idle processing during startup
    return if $inInit;

    # Loop once without blocking
    Slim::Networking::IO::Select::loop( EV::LOOP_NONBLOCK );
    }

    sub showUsage {
    print <<EOF;
    Usage: $0 [--diag] [--daemon] [--stdio]
    [--logdir <logpath>]
    [--logfile <logfilepath|syslog>]
    [--user <username>]
    [--group <groupname>]
    [--httpport <portnumber> [--httpaddr <listenip>]]
    [--cliport <portnumber> [--cliaddr <listenip>]]
    [--priority <priority>]
    [--prefsdir <prefspath> [--pidfile <pidfilepath>]]
    [--perfmon] [--perfwarn=<threshold> | --perfwarn <warn
    options>]
    [--checkstrings] [--charset <charset>]
    [--noweb] [--notranscoding] [--nosb1slimp3sync]
    [--logging <logging-spec>] [--noinfolog | --nodebuglog]

    --help => Show this usage information.
    --cachedir => Directory for Squeezebox Server to save cached
    music and web data
    --diag => Use diagnostics, shows more verbose errors.
    Also slows down library processing
    considerably
    --logdir => Specify folder location for log file
    --logfile => Specify a file for error logging. Specify
    'syslog' to log to syslog.
    --noLogTimestamp => Don't add timestamp to log output
    --daemon => Run the server in the background.
    This may only work on Unix-like systems.
    --stdio => Use standard in and out as a command line
    interface
    to the server
    --user => Specify the user that server should run as.
    Only usable if server is started as root.
    This may only work on Unix-like systems.
    --group => Specify the group that server should run as.
    Only usable if server is started as root.
    This may only work on Unix-like systems.
    --httpport => Activate the web interface on the specified
    port.
    Set to 0 in order disable the web server.
    --httpaddr => Activate the web interface on the specified IP
    address.
    --cliport => Activate the command line interface TCP/IP
    interface
    on the specified port. Set to 0 in order
    disable the
    command line interface server.
    --cliaddr => Activate the command line interface TCP/IP
    interface on the specified IP address.
    --prefsdir => Specify the location of the preferences
    directory
    --pidfile => Specify where a process ID file should be
    stored
    --quiet => Minimize the amount of text output
    --playeraddr => Specify the _server's_ IP address to use to
    connect
    to Slim players
    --priority => set process priority from -20 (high) to 20
    (low)
    --streamaddr => Specify the _server's_ IP address to use to
    connect
    to streaming audio sources
    --nodebuglog => Disable all debug-level logging (compiled
    out).
    --noinfolog => Disable all debug-level & info-level logging
    (compiled out).
    --nosetup => Disable setup via http.
    --noserver => Disable web access server settings, but leave
    player settings accessible.
    Settings changes are not preserved.
    --noweb => Disable web interface. JSON-RPC, Comet, and
    artwork web APIs are still enabled.
    --nosb1slimp3sync=> Disable support for SliMP3s, SB1s and
    associated synchronization
    --notranscoding => Disable transcoding support.
    --noupnp => Disable UPnP subsystem
    --perfmon => Enable internal server performance monitoring
    --perfwarn => Generate log messages if internal tasks take
    longer than specified threshold
    --failsafe => Don't load plugins
    --checkstrings => Enable reloading of changed string files for
    plugin development
    --charset => Force a character set to be used, eg. utf8 on
    Linux devices
    which don't have full utf8 locale installed
    --logging => Enable logging for the specified comma
    separated categories

    Commands may be sent to the server through standard in and will be
    echoed via
    standard out. See complete documentation for details on the command
    syntax.
    EOF
    }

    sub initOptions {
    my $logging;

    $LogTimestamp = 1;

    my $gotOptions = GetOptions(
    'user=s' => \$user,
    'group=s' => \$group,
    'cliaddr=s' => \$cliaddr,
    'cliport=s' => \$cliport,
    'daemon' => \$daemon,
    'diag' => \$diag,
    'help' => \$help,
    'httpaddr=s' => \$httpaddr,
    'httpport=s' => \$httpport,
    'logfile=s' => \$logfile,
    'logdir=s' => \$logdir,
    'logconfig=s' => \$logconf,
    'debug=s' => \$debug,
    'logging=s' => \$logging,
    'LogTimestamp!' => \$LogTimestamp,
    'cachedir=s' => \$cachedir,
    'pidfile=s' => \$pidfile,
    'playeraddr=s' => \$localClientNetAddr,
    'priority=i' => \$priority,
    'stdio' => \$stdio,
    'streamaddr=s' => \$localStreamAddr,
    'prefsfile=s' => \$prefsfile,
    # prefsdir is parsed by Slim::Utils::prefs prior to initOptions
    being run
    'quiet' => \$quiet,
    'nodebuglog' => \$nodebuglog,
    'noinfolog' => \$noinfolog,
    'nosetup' => \$nosetup,
    'noserver' => \$noserver,
    'noupnp' => \$noupnp,
    'nosb1slimp3sync'=> \$nosb1slimp3sync,
    'notranscoding' => \$notranscoding,
    'noweb' => \$noweb,
    'failsafe' => \$failsafe,
    'perfwarn=s' => \$perfwarn, # content parsed by PerfMon if set
    'checkstrings' => \$checkstrings,
    'charset=s' => \$charset,
    'd_startup' => \$d_startup, # Needed for Slim::bootstrap
    );

    initLogging();

    # make --logging and --debug synonyms, but prefer --logging
    $debug = $logging if ($logging);

    if ($help || !$gotOptions) {
    showUsage();
    exit(1);
    }
    }

    sub initLogging {
    # open the log files
    Slim::Utils::Log->init({
    'logconf' => $logconf,
    'logdir' => $logdir,
    'logfile' => $logfile,
    'logtype' => 'server',
    'debug' => $debug,
    });
    }

    sub initClass {
    my $class = shift;

    Slim::bootstrap::tryModuleLoad($class);

    if ($@) {
    logError("Couldn't load $class: $@");
    } else {
    $class->initPlugin;
    }
    }

    sub initSettings {

    Slim::Utils::prefs::init();

    # options override existing preferences
    if (defined($cachedir)) {
    $prefs->set('cachedir', $cachedir);
    $prefs->set('librarycachedir', $cachedir);
    }

    if (defined($httpport)) {
    $prefs->set('httpport', $httpport);
    }

    if (defined($cliport)) {
    preferences('plugin.cli')->set('cliport', $cliport);
    }

    if (defined($prefs->get('cachedir')) && $prefs->get('cachedir') ne
    '') {

    $cachedir = $prefs->get('cachedir');
    $cachedir = Slim::Utils::Misc::fixPath($cachedir);
    $cachedir = Slim::Utils::Misc::pathFromFileURL($cachedir);
    $cachedir =~ s|[/\\]$||;

    # Make sure cachedir exists
    Slim::Utils::prefs::makeCacheDir($cachedir);

    $prefs->set('cachedir',$cachedir);
    $prefs->set('librarycachedir',$cachedir);
    }

    Slim::Utils::prefs::makeCacheDir();
    }

    sub daemonize {
    my ($pid, $log);

    if (!defined($pid = fork())) {

    die "Can't fork: $!";
    }

    if ($pid) {
    save_pid_file($pid);

    # don't clean up the pidfile!
    $pidfile = undef;
    exit;
    }

    if (!setsid) {
    die "Can't start a new session: $!";
    }

    open STDOUT, '>>/dev/null';

    # On Leopard, GD will crash because you can't run CoreServices code
    in a forked child,
    # so we have to exec as well.
    if ( $^O =~ /darwin/ ) {
    @argv = grep { $_ ne '--daemon' } @argv;
    exec $^X . ' "' . $0 . '" ' . join( ' ', @argv );
    exit;
    }
    }

    sub changeEffectiveUserAndGroup {

    # If we're not root and need to change user and group then die with a
    # suitable message, else there's nothing more to do, so return.
    if ($> != 0) {

    if (defined($user) || defined($group)) {

    my $uname = getpwuid($>);
    print STDERR "Current user is $uname\n";
    print STDERR "Must run as root to change effective user or group.
    \n";

    die "Aborting";

    } else {

    return;

    }

    }

    my ($uid, $pgid, @sgids, $gid);

    # Don't allow the server to be started as root.
    # MySQL can't be run as root, and it's generally a bad idea anyways.
    # Try starting as 'squeezeboxserver' instead.
    if (!defined($user)) {
    $user = 'squeezeboxserver';
    print STDERR "Squeezebox Server must not be run as root! Trying
    user $user instead.\n";
    }


    # Get the uid and primary group id for the $user.
    ($uid, $pgid) = (getpwnam($user))[2,3];

    if (!defined ($uid)) {
    die "User $user not found.\n";
    }


    # Get the supplementary groups to which $user belongs

    setgrent();

    while (my @grp = getgrent()) {
    if ($grp[3] =~ m/\b$user\b/){ push @sgids, $grp[2] }
    }

    endgrent();

    # If a group was specified, get the gid of it and add it to the
    # list of supplementary groups.
    if (defined($group)) {
    $gid = getgrnam($group);

    if (!defined $gid) {
    die "Group $group not found.\n";
    } else {
    push @sgids, $gid;
    }
    }

    # Check that we're definately not trying to start as root, e.g. if
    # we were passed '--user root' or any other used with uid 0.
    if ($uid == 0) {
    print STDERR "Squeezebox Server must not be run as root! Only do
    this if you know what you're doing!!\n";
    }


    # Change effective group. Need to do this while still root, so do
    group first

    # $) is a space separated list that begins with the effective gid
    then lists
    # any supplementary group IDs, so compare against that. On some
    systems
    # no supplementary group IDs are present at system startup or at all.

    # We need to pass $pgid twice because setgroups only gets called if
    there's
    # more than one value. For example, if we did:
    # $) = "1234"
    # then the effective primary group would become 1234, but we'd retain
    any
    # previously set supplementary groups. To become a member of just
    1234, the
    # correct way is to do:
    # $) = "1234 1234"

    undef $!;
    $) = "$pgid $pgid " . join (" ", @sgids);

    if ( $! ) {
    die "Unable to set effective group(s) to $group ($gid) is: $): $!
    \n";
    }

    # Finally, change effective user id.

    undef $!;
    $> = $uid;

    if ( $! ) {
    die "Unable to set effective user to $user, ($uid)!\n";
    }

    logger('server')->info("Running as uid: $> / gid: $)");
    }

    sub checkDataSource {

    my $audiodir = $prefs->get('audiodir');

    if (defined $audiodir && $audiodir =~ m|[/\\]$|) {
    $audiodir =~ s|[/\\]$||;
    $prefs->set('audiodir',$audiodir);
    }

    return if !Slim::Schema::hasLibrary();

    if (Slim::Schema->schemaUpdated || Slim::Schema->count('Track',
    { 'me.audio' => 1 }) == 0) {

    logWarning("Schema updated or no tracks in the database, initiating
    scan.");

    Slim::Control::Request::executeRequest(undef, ['wipecache']);
    }
    }

    sub forceStopServer {
    $::stop = 1;
    }

    #------------------------------------------
    #
    # Clean up resources and exit.
    #
    sub stopServer {
    my $restart = shift;

    logger('')->info( 'Squeezebox Server ' . ($restart ?
    'restarting...' : 'shutting down.') );

    $::stop = 1;

    cleanup();

    if ($restart
    && Slim::Utils::OSDetect->getOS()->canRestartServer()
    && !main::ISWINDOWS)
    {
    exec($^X, $0, @argv);
    }

    exit();
    }

    sub cleanup {

    # Bug 11827, export tracks_persistent data for future use
    if ($INC{'Slim/Schema/TrackPersistent.pm'}) {

    my ($dir) = Slim::Utils::OSDetect::dirsFor('prefs');
    logger('')->info("Exporting persistent track data to $dir");

    Slim::Schema::TrackPersistent->export(
    catfile( $dir, 'tracks_persistent.json' )
    );
    }

    logger('')->info("Squeezebox Server cleaning up.");

    $::stop = 1;

    # Make sure to flush anything in the database to disk.
    if ($INC{'Slim/Schema.pm'} && Slim::Schema->storage) {

    if (Slim::Music::Import->stillScanning()) {
    logger('')->info("Cancel running scanner.");
    Slim::Music::Import->abortScan();
    }

    Slim::Schema->forceCommit;
    Slim::Schema->disconnect;
    }

    Slim::Utils::pluginManager->shutdownPlugins();

    Slim::Utils::prefs::writeAll();

    if ($prefs->get('persistPlaylists')) {
    Slim::Control::Request::unsubscribe(
    \&Slim::player::playlist::modifyPlaylistCallback);
    }

    $sqlHelperClass->cleanup;

    remove_pid_file();
    }

    sub save_pid_file {
    my $process_id = shift || $$;

    logger('')->info("Squeezebox Server saving pid file.");

    if (defined $pidfile) {
    File::Slurp::write_file($pidfile, $process_id);
    }
    }

    sub remove_pid_file {
    if (defined $pidfile) {
    unlink $pidfile;
    }
    }

    sub END {

    Slim::bootstrap::theEND();
    }

    # start up the server if we're not running as a service.
    if (!defined($PerlSvc::VERSION)) {
    main()
    }

    __END__
    Clive, Jun 19, 2010
    #4
  5. Clive

    Marc Girod Guest

    On Jun 19, 1:09 pm, Clive <> wrote:

    > When I look in
    > /mnt/freenasmount/Slimnas/squeezebox/CPAN/UUID library on the FreeNAS
    > server, then “module” Tiny.pm IS in there


    /mnt/freenasmount/Slimnas/squeezebox/CPAN/UUID is a directory, not a
    library.
    The module Tiny.pm is there, but obviously this is not where it is
    being looked for.

    It is being looked for in the directory list specified as @INC.
    For perl to find UUID::Tiny.pm, @INC should contain:
    /mnt/freenasmount/Slimnas/squeezebox/CPAN

    Obviously, it does not.
    So, the module may have been incorrectly installed (one answer you
    already got).
    You might install it correctly.
    Or you might try to run your script with:

    perl -I/mnt/freenasmount/Slimnas/squeezebox/CPAN <your_script>

    This might get you past the first error.

    Marc
    Marc Girod, Jun 19, 2010
    #5
    1. Advertising

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