| … | |
… | |
| 5 | use Storable; |
5 | use Storable; |
| 6 | use Opcode; |
6 | use Opcode; |
| 7 | use Safe; |
7 | use Safe; |
| 8 | use Safe::Hole; |
8 | use Safe::Hole; |
| 9 | |
9 | |
|
|
10 | use IO::AIO (); |
|
|
11 | use YAML::Syck (); |
| 10 | use Time::HiRes; |
12 | use Time::HiRes; |
| 11 | use Event; |
13 | use Event; |
| 12 | $Event::Eval = 1; # no idea why this is required, but it is |
14 | $Event::Eval = 1; # no idea why this is required, but it is |
| 13 | |
15 | |
|
|
16 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
|
|
17 | $YAML::Syck::ImplicitUnicode = 1; |
|
|
18 | |
| 14 | use strict; |
19 | use strict; |
| 15 | |
20 | |
|
|
21 | our %COMMAND = (); |
|
|
22 | our %COMMAND_TIME = (); |
|
|
23 | our %EXTCMD = (); |
|
|
24 | |
| 16 | _init_vars; |
25 | _init_vars; |
| 17 | |
26 | |
| 18 | our %COMMAND = (); |
|
|
| 19 | our @EVENT; |
27 | our @EVENT; |
| 20 | our $LIBDIR = maps_directory "perl"; |
28 | our $LIBDIR = maps_directory "perl"; |
| 21 | |
29 | |
| 22 | our $TICK = MAX_TIME * 1e-6; |
30 | our $TICK = MAX_TIME * 1e-6; |
| 23 | our $TICK_WATCHER; |
31 | our $TICK_WATCHER; |
| 24 | our $NEXT_TICK; |
32 | our $NEXT_TICK; |
|
|
33 | |
|
|
34 | our %CFG; |
|
|
35 | |
|
|
36 | our $UPTIME; $UPTIME ||= time; |
|
|
37 | |
|
|
38 | ############################################################################# |
|
|
39 | |
|
|
40 | =head2 GLOBAL VARIABLES |
|
|
41 | |
|
|
42 | =over 4 |
|
|
43 | |
|
|
44 | =item $cf::UPTIME |
|
|
45 | |
|
|
46 | The timestamp of the server start (so not actually an uptime). |
|
|
47 | |
|
|
48 | =item $cf::LIBDIR |
|
|
49 | |
|
|
50 | The perl library directory, where extensions and cf-specific modules can |
|
|
51 | be found. It will be added to C<@INC> automatically. |
|
|
52 | |
|
|
53 | =item $cf::TICK |
|
|
54 | |
|
|
55 | The interval between server ticks, in seconds. |
|
|
56 | |
|
|
57 | =item %cf::CFG |
|
|
58 | |
|
|
59 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
|
|
60 | from wherever your confdir points to. |
|
|
61 | |
|
|
62 | =back |
|
|
63 | |
|
|
64 | =cut |
| 25 | |
65 | |
| 26 | BEGIN { |
66 | BEGIN { |
| 27 | *CORE::GLOBAL::warn = sub { |
67 | *CORE::GLOBAL::warn = sub { |
| 28 | my $msg = join "", @_; |
68 | my $msg = join "", @_; |
| 29 | $msg .= "\n" |
69 | $msg .= "\n" |
| … | |
… | |
| 36 | |
76 | |
| 37 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
77 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
| 38 | |
78 | |
| 39 | # we bless all objects into (empty) derived classes to force a method lookup |
79 | # we bless all objects into (empty) derived classes to force a method lookup |
| 40 | # within the Safe compartment. |
80 | # within the Safe compartment. |
| 41 | for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) { |
81 | for my $pkg (qw( |
|
|
82 | cf::object cf::object::player |
|
|
83 | cf::client_socket cf::player |
|
|
84 | cf::arch cf::living |
|
|
85 | cf::map cf::party cf::region |
|
|
86 | )) { |
| 42 | no strict 'refs'; |
87 | no strict 'refs'; |
| 43 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
88 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
| 44 | } |
89 | } |
| 45 | |
90 | |
| 46 | $Event::DIED = sub { |
91 | $Event::DIED = sub { |
| … | |
… | |
| 48 | }; |
93 | }; |
| 49 | |
94 | |
| 50 | my %ext_pkg; |
95 | my %ext_pkg; |
| 51 | my @exts; |
96 | my @exts; |
| 52 | my @hook; |
97 | my @hook; |
| 53 | my %command; |
|
|
| 54 | my %extcmd; |
|
|
| 55 | |
98 | |
| 56 | ############################################################################# |
99 | =head2 UTILITY FUNCTIONS |
| 57 | # utility functions |
100 | |
|
|
101 | =over 4 |
|
|
102 | |
|
|
103 | =cut |
| 58 | |
104 | |
| 59 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
105 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
|
106 | |
|
|
107 | =item $ref = cf::from_json $json |
|
|
108 | |
|
|
109 | Converts a JSON string into the corresponding perl data structure. |
|
|
110 | |
|
|
111 | =cut |
| 60 | |
112 | |
| 61 | sub from_json($) { |
113 | sub from_json($) { |
| 62 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
114 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
| 63 | JSON::Syck::Load $_[0] |
115 | JSON::Syck::Load $_[0] |
| 64 | } |
116 | } |
| 65 | |
117 | |
|
|
118 | =item $json = cf::to_json $ref |
|
|
119 | |
|
|
120 | Converts a perl data structure into its JSON representation. |
|
|
121 | |
|
|
122 | =cut |
|
|
123 | |
| 66 | sub to_json($) { |
124 | sub to_json($) { |
| 67 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
125 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
| 68 | JSON::Syck::Dump $_[0] |
126 | JSON::Syck::Dump $_[0] |
| 69 | } |
127 | } |
| 70 | |
128 | |
|
|
129 | =back |
|
|
130 | |
|
|
131 | =cut |
|
|
132 | |
| 71 | ############################################################################# |
133 | ############################################################################# |
| 72 | # "new" plug-in system |
|
|
| 73 | |
134 | |
| 74 | =head3 EVENTS AND OBJECT ATTACHMENTS |
135 | =head2 EVENTS AND OBJECT ATTACHMENTS |
| 75 | |
136 | |
| 76 | =over 4 |
137 | =over 4 |
| 77 | |
138 | |
| 78 | =item $object->attach ($attachment, key => $value...) |
139 | =item $object->attach ($attachment, key => $value...) |
| 79 | |
140 | |
| … | |
… | |
| 379 | removed in future versions), and there is no public API to access override |
440 | removed in future versions), and there is no public API to access override |
| 380 | results (if you must, access C<@cf::invoke_results> directly). |
441 | results (if you must, access C<@cf::invoke_results> directly). |
| 381 | |
442 | |
| 382 | =back |
443 | =back |
| 383 | |
444 | |
| 384 | =head2 methods valid for all pointers |
445 | =cut |
|
|
446 | |
|
|
447 | ############################################################################# |
|
|
448 | |
|
|
449 | =head2 METHODS VALID FOR ALL CORE OBJECTS |
| 385 | |
450 | |
| 386 | =over 4 |
451 | =over 4 |
| 387 | |
452 | |
| 388 | =item $object->valid |
453 | =item $object->valid, $player->valid, $map->valid |
| 389 | |
|
|
| 390 | =item $player->valid |
|
|
| 391 | |
|
|
| 392 | =item $map->valid |
|
|
| 393 | |
454 | |
| 394 | Just because you have a perl object does not mean that the corresponding |
455 | Just because you have a perl object does not mean that the corresponding |
| 395 | C-level object still exists. If you try to access an object that has no |
456 | C-level object still exists. If you try to access an object that has no |
| 396 | valid C counterpart anymore you get an exception at runtime. This method |
457 | valid C counterpart anymore you get an exception at runtime. This method |
| 397 | can be used to test for existence of the C object part without causing an |
458 | can be used to test for existence of the C object part without causing an |
| … | |
… | |
| 470 | unlink $filename; |
531 | unlink $filename; |
| 471 | unlink "$filename.pst"; |
532 | unlink "$filename.pst"; |
| 472 | } |
533 | } |
| 473 | } |
534 | } |
| 474 | |
535 | |
|
|
536 | sub object_freezer_as_string { |
|
|
537 | my ($rdata, $objs) = @_; |
|
|
538 | |
|
|
539 | use Data::Dumper; |
|
|
540 | |
|
|
541 | $$rdata . Dumper $objs |
|
|
542 | } |
|
|
543 | |
| 475 | sub object_thawer_load { |
544 | sub object_thawer_load { |
| 476 | my ($filename) = @_; |
545 | my ($filename) = @_; |
| 477 | |
546 | |
| 478 | local $/; |
547 | local $/; |
| 479 | |
548 | |
| … | |
… | |
| 504 | if exists $src->{_attachment}; |
573 | if exists $src->{_attachment}; |
| 505 | }, |
574 | }, |
| 506 | ; |
575 | ; |
| 507 | |
576 | |
| 508 | ############################################################################# |
577 | ############################################################################# |
| 509 | # old plug-in events |
578 | # command handling &c |
| 510 | |
579 | |
| 511 | sub inject_event { |
580 | =item cf::register_command $name => \&callback($ob,$args); |
| 512 | my $extension = shift; |
|
|
| 513 | my $event_code = shift; |
|
|
| 514 | |
581 | |
| 515 | my $cb = $hook[$event_code]{$extension} |
582 | Register a callback for execution when the client sends the user command |
| 516 | or return; |
583 | $name. |
| 517 | |
584 | |
| 518 | &$cb |
585 | =cut |
| 519 | } |
|
|
| 520 | |
|
|
| 521 | sub inject_global_event { |
|
|
| 522 | my $event = shift; |
|
|
| 523 | |
|
|
| 524 | my $cb = $hook[$event] |
|
|
| 525 | or return; |
|
|
| 526 | |
|
|
| 527 | List::Util::max map &$_, values %$cb |
|
|
| 528 | } |
|
|
| 529 | |
|
|
| 530 | sub inject_command { |
|
|
| 531 | my ($name, $obj, $params) = @_; |
|
|
| 532 | |
|
|
| 533 | for my $cmd (@{ $command{$name} }) { |
|
|
| 534 | $cmd->[1]->($obj, $params); |
|
|
| 535 | } |
|
|
| 536 | |
|
|
| 537 | -1 |
|
|
| 538 | } |
|
|
| 539 | |
586 | |
| 540 | sub register_command { |
587 | sub register_command { |
| 541 | my ($name, $time, $cb) = @_; |
588 | my ($name, $cb) = @_; |
| 542 | |
589 | |
| 543 | my $caller = caller; |
590 | my $caller = caller; |
| 544 | #warn "registering command '$name/$time' to '$caller'"; |
591 | #warn "registering command '$name/$time' to '$caller'"; |
| 545 | |
592 | |
| 546 | push @{ $command{$name} }, [$time, $cb, $caller]; |
593 | push @{ $COMMAND{$name} }, [$caller, $cb]; |
| 547 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
|
|
| 548 | } |
594 | } |
|
|
595 | |
|
|
596 | =item cf::register_extcmd $name => \&callback($pl,$packet); |
|
|
597 | |
|
|
598 | Register a callbackf ro execution when the client sends an extcmd packet. |
|
|
599 | |
|
|
600 | If the callback returns something, it is sent back as if reply was being |
|
|
601 | called. |
|
|
602 | |
|
|
603 | =cut |
| 549 | |
604 | |
| 550 | sub register_extcmd { |
605 | sub register_extcmd { |
| 551 | my ($name, $cb) = @_; |
606 | my ($name, $cb) = @_; |
| 552 | |
607 | |
| 553 | my $caller = caller; |
608 | my $caller = caller; |
| 554 | #warn "registering extcmd '$name' to '$caller'"; |
609 | #warn "registering extcmd '$name' to '$caller'"; |
| 555 | |
610 | |
| 556 | $extcmd{$name} = [$cb, $caller]; |
611 | $EXTCMD{$name} = [$cb, $caller]; |
| 557 | } |
612 | } |
|
|
613 | |
|
|
614 | attach_to_players |
|
|
615 | on_command => sub { |
|
|
616 | my ($pl, $name, $params) = @_; |
|
|
617 | |
|
|
618 | my $cb = $COMMAND{$name} |
|
|
619 | or return; |
|
|
620 | |
|
|
621 | for my $cmd (@$cb) { |
|
|
622 | $cmd->[1]->($pl->ob, $params); |
|
|
623 | } |
|
|
624 | |
|
|
625 | cf::override; |
|
|
626 | }, |
|
|
627 | on_extcmd => sub { |
|
|
628 | my ($pl, $buf) = @_; |
|
|
629 | |
|
|
630 | my $msg = eval { from_json $buf }; |
|
|
631 | |
|
|
632 | if (ref $msg) { |
|
|
633 | if (my $cb = $EXTCMD{$msg->{msgtype}}) { |
|
|
634 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
|
635 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
636 | } |
|
|
637 | } |
|
|
638 | } else { |
|
|
639 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
640 | } |
|
|
641 | |
|
|
642 | cf::override; |
|
|
643 | }, |
|
|
644 | ; |
| 558 | |
645 | |
| 559 | sub register { |
646 | sub register { |
| 560 | my ($base, $pkg) = @_; |
647 | my ($base, $pkg) = @_; |
| 561 | |
648 | |
| 562 | #TODO |
649 | #TODO |
| … | |
… | |
| 581 | . "#line 1 \"$path\"\n{\n" |
668 | . "#line 1 \"$path\"\n{\n" |
| 582 | . (do { local $/; <$fh> }) |
669 | . (do { local $/; <$fh> }) |
| 583 | . "\n};\n1"; |
670 | . "\n};\n1"; |
| 584 | |
671 | |
| 585 | eval $source |
672 | eval $source |
| 586 | or die "$path: $@"; |
673 | or die $@ ? "$path: $@\n" |
|
|
674 | : "extension disabled.\n"; |
| 587 | |
675 | |
| 588 | push @exts, $pkg; |
676 | push @exts, $pkg; |
| 589 | $ext_pkg{$base} = $pkg; |
677 | $ext_pkg{$base} = $pkg; |
| 590 | |
678 | |
| 591 | # no strict 'refs'; |
679 | # no strict 'refs'; |
| … | |
… | |
| 604 | # for my $idx (0 .. $#PLUGIN_EVENT) { |
692 | # for my $idx (0 .. $#PLUGIN_EVENT) { |
| 605 | # delete $hook[$idx]{$pkg}; |
693 | # delete $hook[$idx]{$pkg}; |
| 606 | # } |
694 | # } |
| 607 | |
695 | |
| 608 | # remove commands |
696 | # remove commands |
| 609 | for my $name (keys %command) { |
697 | for my $name (keys %COMMAND) { |
| 610 | my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
698 | my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} }; |
| 611 | |
699 | |
| 612 | if (@cb) { |
700 | if (@cb) { |
| 613 | $command{$name} = \@cb; |
701 | $COMMAND{$name} = \@cb; |
| 614 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
|
|
| 615 | } else { |
702 | } else { |
| 616 | delete $command{$name}; |
|
|
| 617 | delete $COMMAND{"$name\000"}; |
703 | delete $COMMAND{$name}; |
| 618 | } |
704 | } |
| 619 | } |
705 | } |
| 620 | |
706 | |
| 621 | # remove extcmds |
707 | # remove extcmds |
| 622 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
708 | for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) { |
| 623 | delete $extcmd{$name}; |
709 | delete $EXTCMD{$name}; |
| 624 | } |
710 | } |
| 625 | |
711 | |
| 626 | if (my $cb = $pkg->can ("unload")) { |
712 | if (my $cb = $pkg->can ("unload")) { |
| 627 | eval { |
713 | eval { |
| 628 | $cb->($pkg); |
714 | $cb->($pkg); |
| … | |
… | |
| 644 | } or warn "$ext not loaded: $@"; |
730 | } or warn "$ext not loaded: $@"; |
| 645 | } |
731 | } |
| 646 | } |
732 | } |
| 647 | |
733 | |
| 648 | ############################################################################# |
734 | ############################################################################# |
| 649 | # extcmd framework, basically convert ext <msg> |
|
|
| 650 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
|
|
| 651 | |
|
|
| 652 | attach_to_players |
|
|
| 653 | on_extcmd => sub { |
|
|
| 654 | my ($pl, $buf) = @_; |
|
|
| 655 | |
|
|
| 656 | my $msg = eval { from_json $buf }; |
|
|
| 657 | |
|
|
| 658 | if (ref $msg) { |
|
|
| 659 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
|
|
| 660 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
|
| 661 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
| 662 | } |
|
|
| 663 | } |
|
|
| 664 | } else { |
|
|
| 665 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
| 666 | } |
|
|
| 667 | |
|
|
| 668 | cf::override; |
|
|
| 669 | }, |
|
|
| 670 | ; |
|
|
| 671 | |
|
|
| 672 | ############################################################################# |
|
|
| 673 | # load/save/clean perl data associated with a map |
735 | # load/save/clean perl data associated with a map |
| 674 | |
736 | |
| 675 | *cf::mapsupport::on_clean = sub { |
737 | *cf::mapsupport::on_clean = sub { |
| 676 | my ($map) = @_; |
738 | my ($map) = @_; |
| 677 | |
739 | |
| … | |
… | |
| 704 | } |
766 | } |
| 705 | }, |
767 | }, |
| 706 | ; |
768 | ; |
| 707 | |
769 | |
| 708 | ############################################################################# |
770 | ############################################################################# |
| 709 | # core extensions - in perl |
771 | |
|
|
772 | =head2 CORE EXTENSIONS |
|
|
773 | |
|
|
774 | Functions and methods that extend core crossfire objects. |
|
|
775 | |
|
|
776 | =over 4 |
| 710 | |
777 | |
| 711 | =item cf::player::exists $login |
778 | =item cf::player::exists $login |
| 712 | |
779 | |
| 713 | Returns true when the given account exists. |
780 | Returns true when the given account exists. |
| 714 | |
781 | |
| … | |
… | |
| 717 | sub cf::player::exists($) { |
784 | sub cf::player::exists($) { |
| 718 | cf::player::find $_[0] |
785 | cf::player::find $_[0] |
| 719 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
786 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
| 720 | } |
787 | } |
| 721 | |
788 | |
| 722 | =item $player->reply ($npc, $msg[, $flags]) |
789 | =item $player_object->reply ($npc, $msg[, $flags]) |
| 723 | |
790 | |
| 724 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
791 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
| 725 | can be C<undef>. Does the right thing when the player is currently in a |
792 | can be C<undef>. Does the right thing when the player is currently in a |
| 726 | dialogue with the given NPC character. |
793 | dialogue with the given NPC character. |
| 727 | |
794 | |
| … | |
… | |
| 754 | $msg{msgid} = $id; |
821 | $msg{msgid} = $id; |
| 755 | |
822 | |
| 756 | $self->send ("ext " . to_json \%msg); |
823 | $self->send ("ext " . to_json \%msg); |
| 757 | } |
824 | } |
| 758 | |
825 | |
|
|
826 | =item $player_object->may ("access") |
|
|
827 | |
|
|
828 | Returns wether the given player is authorized to access resource "access" |
|
|
829 | (e.g. "command_wizcast"). |
|
|
830 | |
|
|
831 | =cut |
|
|
832 | |
|
|
833 | sub cf::object::player::may { |
|
|
834 | my ($self, $access) = @_; |
|
|
835 | |
|
|
836 | $self->flag (cf::FLAG_WIZ) || |
|
|
837 | (ref $cf::CFG{"may_$access"} |
|
|
838 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
|
|
839 | : $cf::CFG{"may_$access"}) |
|
|
840 | } |
|
|
841 | |
|
|
842 | =cut |
|
|
843 | |
| 759 | ############################################################################# |
844 | ############################################################################# |
| 760 | # map scripting support |
845 | |
|
|
846 | =head2 SAFE SCRIPTING |
|
|
847 | |
|
|
848 | Functions that provide a safe environment to compile and execute |
|
|
849 | snippets of perl code without them endangering the safety of the server |
|
|
850 | itself. Looping constructs, I/O operators and other built-in functionality |
|
|
851 | is not available in the safe scripting environment, and the number of |
|
|
852 | functions and methods that can be called is greatly reduced. |
|
|
853 | |
|
|
854 | =cut |
| 761 | |
855 | |
| 762 | our $safe = new Safe "safe"; |
856 | our $safe = new Safe "safe"; |
| 763 | our $safe_hole = new Safe::Hole; |
857 | our $safe_hole = new Safe::Hole; |
| 764 | |
858 | |
| 765 | $SIG{FPE} = 'IGNORE'; |
859 | $SIG{FPE} = 'IGNORE'; |
| 766 | |
860 | |
| 767 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
861 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
| 768 | |
862 | |
| 769 | # here we export the classes and methods available to script code |
863 | # here we export the classes and methods available to script code |
|
|
864 | |
|
|
865 | =pod |
|
|
866 | |
|
|
867 | The following fucntions and emthods are available within a safe environment: |
|
|
868 | |
|
|
869 | cf::object contr pay_amount pay_player |
|
|
870 | cf::object::player player |
|
|
871 | cf::player peaceful |
|
|
872 | |
|
|
873 | =cut |
| 770 | |
874 | |
| 771 | for ( |
875 | for ( |
| 772 | ["cf::object" => qw(contr pay_amount pay_player)], |
876 | ["cf::object" => qw(contr pay_amount pay_player)], |
| 773 | ["cf::object::player" => qw(player)], |
877 | ["cf::object::player" => qw(player)], |
| 774 | ["cf::player" => qw(peaceful)], |
878 | ["cf::player" => qw(peaceful)], |
| … | |
… | |
| 777 | my ($pkg, @funs) = @$_; |
881 | my ($pkg, @funs) = @$_; |
| 778 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
882 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
| 779 | for @funs; |
883 | for @funs; |
| 780 | } |
884 | } |
| 781 | |
885 | |
|
|
886 | =over 4 |
|
|
887 | |
|
|
888 | =item @retval = safe_eval $code, [var => value, ...] |
|
|
889 | |
|
|
890 | Compiled and executes the given perl code snippet. additional var/value |
|
|
891 | pairs result in temporary local (my) scalar variables of the given name |
|
|
892 | that are available in the code snippet. Example: |
|
|
893 | |
|
|
894 | my $five = safe_eval '$first + $second', first => 1, second => 4; |
|
|
895 | |
|
|
896 | =cut |
|
|
897 | |
| 782 | sub safe_eval($;@) { |
898 | sub safe_eval($;@) { |
| 783 | my ($code, %vars) = @_; |
899 | my ($code, %vars) = @_; |
| 784 | |
900 | |
| 785 | my $qcode = $code; |
901 | my $qcode = $code; |
| 786 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
902 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
| … | |
… | |
| 830 | |
946 | |
| 831 | no strict 'refs'; |
947 | no strict 'refs'; |
| 832 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
948 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
| 833 | } |
949 | } |
| 834 | |
950 | |
|
|
951 | =back |
|
|
952 | |
|
|
953 | =cut |
|
|
954 | |
| 835 | ############################################################################# |
955 | ############################################################################# |
| 836 | |
956 | |
| 837 | =head2 EXTENSION DATABASE SUPPORT |
957 | =head2 EXTENSION DATABASE SUPPORT |
| 838 | |
958 | |
| 839 | Crossfire maintains a very simple database for extension use. It can |
959 | Crossfire maintains a very simple database for extension use. It can |
| … | |
… | |
| 873 | |
993 | |
| 874 | Immediately write the database to disk I<if it is dirty>. |
994 | Immediately write the database to disk I<if it is dirty>. |
| 875 | |
995 | |
| 876 | =cut |
996 | =cut |
| 877 | |
997 | |
|
|
998 | our $DB; |
|
|
999 | |
| 878 | { |
1000 | { |
| 879 | my $db; |
|
|
| 880 | my $path = cf::localdir . "/database.pst"; |
1001 | my $path = cf::localdir . "/database.pst"; |
| 881 | |
1002 | |
| 882 | sub db_load() { |
1003 | sub db_load() { |
| 883 | warn "loading database $path\n";#d# remove later |
1004 | warn "loading database $path\n";#d# remove later |
| 884 | $db = stat $path ? Storable::retrieve $path : { }; |
1005 | $DB = stat $path ? Storable::retrieve $path : { }; |
| 885 | } |
1006 | } |
| 886 | |
1007 | |
| 887 | my $pid; |
1008 | my $pid; |
| 888 | |
1009 | |
| 889 | sub db_save() { |
1010 | sub db_save() { |
| 890 | warn "saving database $path\n";#d# remove later |
1011 | warn "saving database $path\n";#d# remove later |
| 891 | waitpid $pid, 0 if $pid; |
1012 | waitpid $pid, 0 if $pid; |
| 892 | if (0 == ($pid = fork)) { |
1013 | if (0 == ($pid = fork)) { |
| 893 | $db->{_meta}{version} = 1; |
1014 | $DB->{_meta}{version} = 1; |
| 894 | Storable::nstore $db, "$path~"; |
1015 | Storable::nstore $DB, "$path~"; |
| 895 | rename "$path~", $path; |
1016 | rename "$path~", $path; |
| 896 | cf::_exit 0 if defined $pid; |
1017 | cf::_exit 0 if defined $pid; |
| 897 | } |
1018 | } |
| 898 | } |
1019 | } |
| 899 | |
1020 | |
| … | |
… | |
| 913 | $idle->start; |
1034 | $idle->start; |
| 914 | } |
1035 | } |
| 915 | |
1036 | |
| 916 | sub db_get($;$) { |
1037 | sub db_get($;$) { |
| 917 | @_ >= 2 |
1038 | @_ >= 2 |
| 918 | ? $db->{$_[0]}{$_[1]} |
1039 | ? $DB->{$_[0]}{$_[1]} |
| 919 | : ($db->{$_[0]} ||= { }) |
1040 | : ($DB->{$_[0]} ||= { }) |
| 920 | } |
1041 | } |
| 921 | |
1042 | |
| 922 | sub db_put($$;$) { |
1043 | sub db_put($$;$) { |
| 923 | if (@_ >= 3) { |
1044 | if (@_ >= 3) { |
| 924 | $db->{$_[0]}{$_[1]} = $_[2]; |
1045 | $DB->{$_[0]}{$_[1]} = $_[2]; |
| 925 | } else { |
1046 | } else { |
| 926 | $db->{$_[0]} = $_[1]; |
1047 | $DB->{$_[0]} = $_[1]; |
| 927 | } |
1048 | } |
| 928 | db_dirty; |
1049 | db_dirty; |
| 929 | } |
1050 | } |
| 930 | |
1051 | |
| 931 | attach_global |
1052 | attach_global |
| … | |
… | |
| 937 | } |
1058 | } |
| 938 | |
1059 | |
| 939 | ############################################################################# |
1060 | ############################################################################# |
| 940 | # the server's main() |
1061 | # the server's main() |
| 941 | |
1062 | |
|
|
1063 | sub cfg_load { |
|
|
1064 | open my $fh, "<:utf8", cf::confdir . "/config" |
|
|
1065 | or return; |
|
|
1066 | |
|
|
1067 | local $/; |
|
|
1068 | *CFG = YAML::Syck::Load <$fh>; |
|
|
1069 | } |
|
|
1070 | |
| 942 | sub main { |
1071 | sub main { |
|
|
1072 | cfg_load; |
| 943 | db_load; |
1073 | db_load; |
| 944 | load_extensions; |
1074 | load_extensions; |
| 945 | Event::loop; |
1075 | Event::loop; |
| 946 | } |
1076 | } |
| 947 | |
1077 | |
| … | |
… | |
| 999 | |
1129 | |
| 1000 | # reload cf.pm |
1130 | # reload cf.pm |
| 1001 | $msg->("reloading cf.pm"); |
1131 | $msg->("reloading cf.pm"); |
| 1002 | require cf; |
1132 | require cf; |
| 1003 | |
1133 | |
| 1004 | # load database again |
1134 | # load config and database again |
|
|
1135 | cf::cfg_load; |
| 1005 | cf::db_load; |
1136 | cf::db_load; |
| 1006 | |
1137 | |
| 1007 | # load extensions |
1138 | # load extensions |
| 1008 | $msg->("load extensions"); |
1139 | $msg->("load extensions"); |
| 1009 | cf::load_extensions; |
1140 | cf::load_extensions; |
| … | |
… | |
| 1022 | warn $_[0]; |
1153 | warn $_[0]; |
| 1023 | print "$_[0]\n"; |
1154 | print "$_[0]\n"; |
| 1024 | }; |
1155 | }; |
| 1025 | } |
1156 | } |
| 1026 | |
1157 | |
|
|
1158 | register "<global>", __PACKAGE__; |
|
|
1159 | |
| 1027 | register_command "perl-reload", 0, sub { |
1160 | register_command "perl-reload" => sub { |
| 1028 | my ($who, $arg) = @_; |
1161 | my ($who, $arg) = @_; |
| 1029 | |
1162 | |
| 1030 | if ($who->flag (FLAG_WIZ)) { |
1163 | if ($who->flag (FLAG_WIZ)) { |
| 1031 | _perl_reload { |
1164 | _perl_reload { |
| 1032 | warn $_[0]; |
1165 | warn $_[0]; |
| 1033 | $who->message ($_[0]); |
1166 | $who->message ($_[0]); |
| 1034 | }; |
1167 | }; |
| 1035 | } |
1168 | } |
| 1036 | }; |
1169 | }; |
| 1037 | |
1170 | |
| 1038 | register "<global>", __PACKAGE__; |
|
|
| 1039 | |
|
|
| 1040 | unshift @INC, $LIBDIR; |
1171 | unshift @INC, $LIBDIR; |
| 1041 | |
1172 | |
| 1042 | $TICK_WATCHER = Event->timer ( |
1173 | $TICK_WATCHER = Event->timer ( |
| 1043 | prio => 1, |
1174 | prio => 1, |
|
|
1175 | async => 1, |
| 1044 | at => $NEXT_TICK || 1, |
1176 | at => $NEXT_TICK || 1, |
| 1045 | cb => sub { |
1177 | cb => sub { |
| 1046 | cf::server_tick; # one server iteration |
1178 | cf::server_tick; # one server iteration |
| 1047 | |
1179 | |
| 1048 | my $NOW = Event::time; |
1180 | my $NOW = Event::time; |
| 1049 | $NEXT_TICK += $TICK; |
1181 | $NEXT_TICK += $TICK; |
| 1050 | |
1182 | |
| 1051 | # if we are delayed by four ticks, skip them all |
1183 | # if we are delayed by four ticks or more, skip them all |
| 1052 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
1184 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
| 1053 | |
1185 | |
| 1054 | $TICK_WATCHER->at ($NEXT_TICK); |
1186 | $TICK_WATCHER->at ($NEXT_TICK); |
| 1055 | $TICK_WATCHER->start; |
1187 | $TICK_WATCHER->start; |
| 1056 | }, |
1188 | }, |
| 1057 | ); |
1189 | ); |
| 1058 | |
1190 | |
|
|
1191 | IO::AIO::max_poll_time $TICK * 0.2; |
|
|
1192 | |
|
|
1193 | Event->io (fd => IO::AIO::poll_fileno, |
|
|
1194 | poll => 'r', |
|
|
1195 | prio => 5, |
|
|
1196 | cb => \&IO::AIO::poll_cb); |
|
|
1197 | |
| 1059 | 1 |
1198 | 1 |
| 1060 | |
1199 | |
