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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.604 by root, Thu Nov 15 07:08:08 2012 UTC vs.
Revision 1.623 by root, Wed Aug 30 14:18:51 2017 UTC

57use JSON::XS 2.01 (); 57use JSON::XS 2.01 ();
58use BDB (); 58use BDB ();
59use Data::Dumper; 59use Data::Dumper;
60use Fcntl; 60use Fcntl;
61use YAML::XS (); 61use YAML::XS ();
62use CBOR::XS ();
62use IO::AIO (); 63use IO::AIO ();
63use Compress::LZF; 64use Compress::LZF;
64use Digest::MD5 (); 65use Digest::MD5 ();
65 66
66AnyEvent::detect; 67AnyEvent::detect;
225=item $cf::RUNTIME 226=item $cf::RUNTIME
226 227
227The time this server has run, starts at 0 and is increased by $cf::TICK on 228The time this server has run, starts at 0 and is increased by $cf::TICK on
228every server tick. 229every server tick.
229 230
230=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR 231=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
231$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR 232$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
232$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR 233$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
233 234
234Various directories - "/etc", read-only install directory, perl-library 235Various directories - "/etc", read-only install directory, perl-library
235directory, pod-directory, read-only maps directory, "/var", "/var/tmp", 236directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
464 465
465sub decode_yaml($) { 466sub decode_yaml($) {
466 fork_call { YAML::XS::Load $_[0] } @_ 467 fork_call { YAML::XS::Load $_[0] } @_
467} 468}
468 469
470=item $scalar = cf::decode_cbor $scalar
471
472Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
473blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
474alternative.
475
476=cut
477
478sub decode_cbor($) {
479 # we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
480 cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
481 CBOR::XS::decode_cbor $_[0]
482}
483
469=item $scalar = cf::unlzf $scalar 484=item $scalar = cf::unlzf $scalar
470 485
471Same as Compress::LZF::compress, but takes server ticks into account, so 486Same as Compress::LZF::compress, but takes server ticks into account, so
472blocks. 487blocks.
473 488
510 } 525 }
511} 526}
512 527
513=item cf::lock_wait $string 528=item cf::lock_wait $string
514 529
515Wait until the given lock is available. See cf::lock_acquire. 530Wait until the given lock is available. See cf::lock_acquire.
516 531
517=item my $lock = cf::lock_acquire $string 532=item my $lock = cf::lock_acquire $string
518 533
519Wait until the given lock is available and then acquires it and returns 534Wait until the given lock is available and then acquires it and returns
520a L<Guard> object. If the guard object gets destroyed (goes out of scope, 535a L<Guard> object. If the guard object gets destroyed (goes out of scope,
596 my $signal = new Coro::Signal; 611 my $signal = new Coro::Signal;
597 my $busy; 612 my $busy;
598 613
599 while () { 614 while () {
600 next_job: 615 next_job:
616
617 Coro::cede;
601 618
602 my $avail = cf::till_tick; 619 my $avail = cf::till_tick;
603 620
604 for (0 .. $#SLOT_QUEUE) { 621 for (0 .. $#SLOT_QUEUE) {
605 if ($SLOT_QUEUE[$_][0] <= $avail) { 622 if ($SLOT_QUEUE[$_][0] <= $avail) {
606 $busy = 0; 623 $busy = 0;
607 my $job = splice @SLOT_QUEUE, $_, 1, (); 624 my $job = splice @SLOT_QUEUE, $_, 1, ();
608 $job->[2]->send; 625 $job->[2]->send;
609 Coro::cede;
610 goto next_job; 626 goto next_job;
611 } else { 627 } else {
612 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY; 628 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
613 } 629 }
614 } 630 }
615 631
616 if (@SLOT_QUEUE) { 632 if (@SLOT_QUEUE) {
617 # we do not use wait_for_tick() as it returns immediately when tick is inactive 633 wait_for_tick;
618 $WAIT_FOR_TICK->wait;
619 } else { 634 } else {
620 $busy = 0; 635 $busy = 0;
621 Coro::schedule; 636 Coro::schedule;
622 } 637 }
623 } 638 }
649BEGIN { *async = \&Coro::async_pool } 664BEGIN { *async = \&Coro::async_pool }
650 665
651=item cf::sync_job { BLOCK } 666=item cf::sync_job { BLOCK }
652 667
653The design of Deliantra requires that the main coroutine ($Coro::main) 668The design of Deliantra requires that the main coroutine ($Coro::main)
654is always able to handle events or runnable, as Deliantra is only 669is always able to handle events or is runnable, as Deliantra is only
655partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 670partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
656acceptable. 671acceptable.
657 672
658If it must be done, put the blocking parts into C<sync_job>. This will run 673If it must be done, put the blocking parts into C<sync_job>. This will run
659the given BLOCK in another coroutine while waiting for the result. The 674the given BLOCK in another coroutine while waiting for the result. The
687 702
688 while ($busy) { 703 while ($busy) {
689 if (Coro::nready) { 704 if (Coro::nready) {
690 Coro::cede_notself; 705 Coro::cede_notself;
691 } else { 706 } else {
692 EV::loop EV::LOOP_ONESHOT; 707 EV::run EV::RUN_ONCE;
693 } 708 }
694 } 709 }
695 710
696 my $time = AE::time - $time; 711 my $time = AE::time - $time;
697 712
2384 2399
2385 $MAP_PREFETCHER ||= cf::async { 2400 $MAP_PREFETCHER ||= cf::async {
2386 $Coro::current->{desc} = "map prefetcher"; 2401 $Coro::current->{desc} = "map prefetcher";
2387 2402
2388 while (%MAP_PREFETCH) { 2403 while (%MAP_PREFETCH) {
2389 while (my ($k, $v) = each %MAP_PREFETCH) { 2404 for my $k (keys %MAP_PREFETCH) {
2390 if (my $map = find $k) { 2405 if (my $map = find $k) {
2391 $map->load if $v; 2406 $map->load if $MAP_PREFETCH{$k};
2392 } 2407 }
2393 2408
2394 delete $MAP_PREFETCH{$k}; 2409 delete $MAP_PREFETCH{$k};
2395 } 2410 }
2396 } 2411 }
2742=item $player_object->may ("access") 2757=item $player_object->may ("access")
2743 2758
2744Returns wether the given player is authorized to access resource "access" 2759Returns wether the given player is authorized to access resource "access"
2745(e.g. "command_wizcast"). 2760(e.g. "command_wizcast").
2746 2761
2762This is implemented by checking a config setting of C<may_access> where
2763C<access> is replaced by the access string. The following alternatives are
2764possible (and are tested in order):
2765
2766=over 4
2767
2768=item * Player is DM
2769
2770The request will succeed.
2771
2772=item * may_access is an array reference
2773
2774If either the player nickname or UUID is in the array, the request will
2775succeed, otherwise it will fail.
2776
2777=item * may_access is a true value
2778
2779The request will succeed.
2780
2781=item * may_access is missing or false
2782
2783The request will fail.
2784
2785=back
2786
2747=cut 2787=cut
2748 2788
2749sub cf::object::player::may { 2789sub cf::object::player::may {
2750 my ($self, $access) = @_; 2790 my ($self, $access) = @_;
2751 2791
2752 $self->flag (cf::FLAG_WIZ) || 2792 $self->flag (cf::FLAG_WIZ) ||
2753 (ref $cf::CFG{"may_$access"} 2793 (ref $cf::CFG{"may_$access"}
2754 ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} 2794 ? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2755 : $cf::CFG{"may_$access"}) 2795 : $cf::CFG{"may_$access"})
2756} 2796}
2757 2797
2758=item $player_object->enter_link 2798=item $player_object->enter_link
2759 2799
2762The player should be reasonably safe there for short amounts of time (e.g. 2802The player should be reasonably safe there for short amounts of time (e.g.
2763for loading a map). You I<MUST> call C<leave_link> as soon as possible, 2803for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2764though, as the player cannot control the character while it is on the link 2804though, as the player cannot control the character while it is on the link
2765map. 2805map.
2766 2806
2767Will never block. 2807This method will never block, which is the whole reaosn for it's
2808existance: you can I<always> put a player onto the link map, which is the
2809only place to put objects that is guaranteed to exist.
2810
2811A typical usage pattern is to call C<enter_link> synchronously from the
2812server, then start a new thread, do your blocking stuff there and then
2813call C<leave_link> from that thread.
2768 2814
2769=item $player_object->leave_link ($map, $x, $y) 2815=item $player_object->leave_link ($map, $x, $y)
2770 2816
2771Moves the player out of the special C<{link}> map onto the specified 2817Moves the player out of the special C<{link}> map onto the specified
2772map. If the map is not valid (or omitted), the player will be moved back 2818map. If the map is not valid (or omitted), the player will be moved back
3042 3088
3043=head3 cf::client 3089=head3 cf::client
3044 3090
3045=over 4 3091=over 4
3046 3092
3047=item $client->send_drawinfo ($text, $flags)
3048
3049Sends a drawinfo packet to the client. Circumvents output buffering so
3050should not be used under normal circumstances.
3051
3052=cut
3053
3054sub cf::client::send_drawinfo {
3055 my ($self, $text, $flags) = @_;
3056
3057 utf8::encode $text;
3058 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
3059}
3060
3061=item $client->send_big_packet ($pkt) 3093=item $client->send_big_packet ($pkt)
3062 3094
3063Like C<send_packet>, but tries to compress large packets, and fragments 3095Like C<send_packet>, but tries to compress large packets, and fragments
3064them as required. 3096them as required.
3065 3097
3083 $self->send_packet ($pkt); 3115 $self->send_packet ($pkt);
3084} 3116}
3085 3117
3086=item $client->send_msg ($channel, $msg, $color, [extra...]) 3118=item $client->send_msg ($channel, $msg, $color, [extra...])
3087 3119
3088Send a drawinfo or msg packet to the client, formatting the msg for the 3120Send a msg packet to the client, formatting the msg for the client if
3089client if neccessary. C<$type> should be a string identifying the type of 3121necessary. C<$type> should be a string identifying the type of the
3090the message, with C<log> being the default. If C<$color> is negative, suppress 3122message, with C<log> being the default. If C<$color> is negative, suppress
3091the message unless the client supports the msg packet. 3123the message unless the client supports the msg packet.
3092 3124
3093=cut 3125=cut
3094 3126
3095# non-persistent channels (usually the info channel) 3127# non-persistent channels (usually the info channel)
3138 }, 3170 },
3139 "c/body" => { 3171 "c/body" => {
3140 id => "infobox", 3172 id => "infobox",
3141 title => "Body Parts", 3173 title => "Body Parts",
3142 reply => undef, 3174 reply => undef,
3143 tooltip => "Shows which body parts you posess and are available", 3175 tooltip => "Shows which body parts you possess and are available",
3144 }, 3176 },
3145 "c/statistics" => { 3177 "c/statistics" => {
3146 id => "infobox", 3178 id => "infobox",
3147 title => "Statistics", 3179 title => "Statistics",
3148 reply => undef, 3180 reply => undef,
3290 if @{ $self->{query_queue} } == 1; 3322 if @{ $self->{query_queue} } == 1;
3291 3323
3292 1 3324 1
3293} 3325}
3294 3326
3327=item $client->update_command_faces
3328
3329=cut
3330
3331our %COMMAND_FACE;
3332
3333sub cf::client::update_command_faces {
3334 my ($self) = @_;
3335
3336 my @faces = grep $_,
3337 $COMMAND_FACE{preferred},
3338 $COMMAND_FACE{standard},
3339 $COMMAND_FACE{skill},
3340 $self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
3341 $COMMAND_FACE{emote},
3342 ;
3343
3344 $self->send_face ($_)
3345 for @faces;
3346 $self->flush_fx;
3347
3348 $self->ext_msg (command_list => @faces);
3349}
3350
3351=item cf::client::set_command_face $type, $commands
3352
3353=cut
3354
3355sub cf::client::set_command_face {
3356 my ($type, $list) = @_;
3357
3358 my $idx = &cf::face::set ( #d# ugly forward reference
3359 "command_list/$type" => cf::FT_RSRC,
3360 JSON::XS->new->utf8->encode ([ sort @$list ])
3361 );
3362
3363 $COMMAND_FACE{$type} = $idx;
3364}
3365
3295cf::client->attach ( 3366cf::client->attach (
3296 on_connect => sub { 3367 on_connect => sub {
3297 my ($ns) = @_; 3368 my ($ns) = @_;
3298 3369
3299 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed; 3370 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3538 my ($name, $type, $data) = @_; 3609 my ($name, $type, $data) = @_;
3539 3610
3540 my $idx = cf::face::find $name; 3611 my $idx = cf::face::find $name;
3541 3612
3542 if ($idx) { 3613 if ($idx) {
3543 delete $HASH{cf::face::get_chksum $idx}; 3614 delete $HASH{cf::face::get_csum $idx};
3544 } else { 3615 } else {
3545 $idx = cf::face::alloc $name; 3616 $idx = cf::face::alloc $name;
3546 } 3617 }
3547 3618
3548 my $hash = cf::face::mangle_csum Digest::MD5::md5 $data; 3619 my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
3763 cf::face::set 3834 cf::face::set
3764 "res/spell_paths" => FT_RSRC, 3835 "res/spell_paths" => FT_RSRC,
3765 JSON::XS->new->utf8->canonical->encode ( 3836 JSON::XS->new->utf8->canonical->encode (
3766 [map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1] 3837 [map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
3767 ); 3838 );
3839
3840 # command completion
3841 my @commands;
3842
3843 for (0..cf::arch::skillvec_size - 1) {
3844 my $skill = cf::arch::skillvec $_;
3845 my $name = $skill->name;
3846 my $flags = cf::skill_flags $skill->subtype;
3847
3848 push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
3849 push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
3850 }
3851
3852 cf::client::set_command_face skill => \@commands;
3768} 3853}
3769 3854
3770sub reload_treasures { 3855sub reload_treasures {
3771 load_resource_file "$DATADIR/treasures" 3856 load_resource_file "$DATADIR/treasures"
3772 or die "unable to load treasurelists\n"; 3857 or die "unable to load treasurelists\n";
3845 seek $fh, 0, 0; 3930 seek $fh, 0, 0;
3846 print $fh $$; 3931 print $fh $$;
3847} 3932}
3848 3933
3849sub main_loop { 3934sub main_loop {
3850 trace "EV::loop starting\n"; 3935 trace "EV::run starting\n";
3851 if (1) { 3936 if (1) {
3852 EV::loop; 3937 EV::run;
3853 } 3938 }
3854 trace "EV::loop returned\n"; 3939 trace "EV::run returned\n";
3855 goto &main_loop unless $REALLY_UNLOOP; 3940 goto &main_loop unless $REALLY_UNLOOP;
3856} 3941}
3857 3942
3858sub main { 3943sub main {
3859 cf::init_globals; # initialise logging 3944 cf::init_globals; # initialise logging
3868 # we must not ever block the main coroutine 3953 # we must not ever block the main coroutine
3869 $Coro::idle = sub { 3954 $Coro::idle = sub {
3870 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3955 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3871 (async { 3956 (async {
3872 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3957 $Coro::current->{desc} = "IDLE BUG HANDLER";
3873 EV::loop EV::LOOP_ONESHOT; 3958 EV::run EV::RUN_ONCE;
3874 })->prio (Coro::PRIO_MAX); 3959 })->prio (Coro::PRIO_MAX);
3875 }; 3960 };
3876 3961
3877 evthread_start IO::AIO::poll_fileno; 3962 evthread_start IO::AIO::poll_fileno;
3878 3963

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