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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.443 by root, Sun Aug 31 10:05:26 2008 UTC vs.
Revision 1.452 by root, Tue Sep 23 00:24:52 2008 UTC

… …
63 63
64# configure various modules to our taste 64# configure various modules to our taste
65# 65#
66$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
68
69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71# make sure c-lzf reinitialises itself
72Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 73Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71 74
72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 75sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73 76
74our %COMMAND = (); 77our %COMMAND = ();
75our %COMMAND_TIME = (); 78our %COMMAND_TIME = ();
… …
78our %EXTCMD = (); 81our %EXTCMD = ();
79our %EXTICMD = (); 82our %EXTICMD = ();
80our %EXT_CORO = (); # coroutines bound to extensions 83our %EXT_CORO = (); # coroutines bound to extensions
81our %EXT_MAP = (); # pluggable maps 84our %EXT_MAP = (); # pluggable maps
82 85
83our $RELOAD; # number of reloads so far 86our $RELOAD; # number of reloads so far, non-zero while in reload
84our @EVENT; 87our @EVENT;
85 88
86our $CONFDIR = confdir; 89our $CONFDIR = confdir;
87our $DATADIR = datadir; 90our $DATADIR = datadir;
88our $LIBDIR = "$DATADIR/ext"; 91our $LIBDIR = "$DATADIR/ext";
89our $PODDIR = "$DATADIR/pod"; 92our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir; 93our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir; 94our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir; 95our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 96our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir; 97our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random"; 98our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db"; 99our $BDBDIR = "$LOCALDIR/db";
100our $PIDFILE = "$LOCALDIR/pid";
101our $RUNTIMEFILE = "$LOCALDIR/runtime";
102
97our %RESOURCE; 103our %RESOURCE;
98 104
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 105our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 106our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101our $NEXT_TICK; 107our $NEXT_TICK;
… …
126 132
127binmode STDOUT; 133binmode STDOUT;
128binmode STDERR; 134binmode STDERR;
129 135
130# read virtual server time, if available 136# read virtual server time, if available
131unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 137unless ($RUNTIME || !-e $RUNTIMEFILE) {
132 open my $fh, "<", "$LOCALDIR/runtime" 138 open my $fh, "<", $RUNTIMEFILE
133 or die "unable to read runtime file: $!"; 139 or die "unable to read $RUNTIMEFILE file: $!";
134 $RUNTIME = <$fh> + 0.; 140 $RUNTIME = <$fh> + 0.;
135} 141}
136 142
137mkdir $_ 143mkdir $_
138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 144 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
335 return;#d# 341 return;#d#
336 }#d# 342 }#d#
337 343
338 # wait for lock, if any 344 # wait for lock, if any
339 while ($LOCK{$key}) { 345 while ($LOCK{$key}) {
346 #local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
340 push @{ $LOCK{$key} }, $Coro::current; 347 push @{ $LOCK{$key} }, $Coro::current;
341 Coro::schedule; 348 Coro::schedule;
342 } 349 }
343} 350}
344 351
… …
727 734
728############################################################################# 735#############################################################################
729 736
730=head2 ATTACHABLE OBJECTS 737=head2 ATTACHABLE OBJECTS
731 738
732Many objects in crossfire are so-called attachable objects. That means you can 739Many objects in deliantra are so-called attachable objects. That means you can
733attach callbacks/event handlers (a collection of which is called an "attachment") 740attach callbacks/event handlers (a collection of which is called an "attachment")
734to it. All such attachable objects support the following methods. 741to it. All such attachable objects support the following methods.
735 742
736In the following description, CLASS can be any of C<global>, C<object> 743In the following description, CLASS can be any of C<global>, C<object>
737C<player>, C<client> or C<map> (i.e. the attachable objects in 744C<player>, C<client> or C<map> (i.e. the attachable objects in
… …
787=item cf::CLASS::attachment $name, ... 794=item cf::CLASS::attachment $name, ...
788 795
789Register an attachment by C<$name> through which attachable objects of the 796Register an attachment by C<$name> through which attachable objects of the
790given CLASS can refer to this attachment. 797given CLASS can refer to this attachment.
791 798
792Some classes such as crossfire maps and objects can specify attachments 799Some classes such as deliantra maps and objects can specify attachments
793that are attached at load/instantiate time, thus the need for a name. 800that are attached at load/instantiate time, thus the need for a name.
794 801
795These calls expect any number of the following handler/hook descriptions: 802These calls expect any number of the following handler/hook descriptions:
796 803
797=over 4 804=over 4
… …
1385 1392
1386=back 1393=back
1387 1394
1388=head2 CORE EXTENSIONS 1395=head2 CORE EXTENSIONS
1389 1396
1390Functions and methods that extend core crossfire objects. 1397Functions and methods that extend core deliantra objects.
1391 1398
1392=cut 1399=cut
1393 1400
1394package cf::player; 1401package cf::player;
1395 1402
… …
1438 1445
1439sub exists($) { 1446sub exists($) {
1440 my ($login) = @_; 1447 my ($login) = @_;
1441 1448
1442 $cf::PLAYER{$login} 1449 $cf::PLAYER{$login}
1443 or cf::sync_job { !aio_stat path $login } 1450 or !aio_stat path $login
1444} 1451}
1445 1452
1446sub find($) { 1453sub find($) {
1447 return $cf::PLAYER{$_[0]} || do { 1454 return $cf::PLAYER{$_[0]} || do {
1448 my $login = $_[0]; 1455 my $login = $_[0];
… …
1619 } 1626 }
1620 1627
1621 \@paths 1628 \@paths
1622} 1629}
1623 1630
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1631=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625 1632
1626Expand crossfire pod fragments into protocol xml. 1633Expand deliantra pod fragments into protocol xml.
1627
1628=cut
1629
1630sub expand_cfpod {
1631 my ($self, $pod) = @_;
1632
1633 my @nest = [qr<\G$>, undef, ""];
1634 my $xml;
1635
1636 for ($pod) {
1637 while () {
1638 if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
1639 $xml .= $1;
1640 } elsif (/\G\n(?=\S)/xgcs) {
1641 $xml .= " ";
1642 } elsif (/\G\n/xgcs) {
1643 $xml .= "\n";
1644 } elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
1645 my ($code, $delim) = ($1, scalar reverse $2);
1646 $delim =~ y/</>/; # delim now contains the stop sequence
1647 $delim = qr{\G\Q$delim};
1648
1649 my $cb;
1650
1651 if ($code eq "B") {
1652 $cb = sub { "<b>$_[0]</b>" };
1653 } elsif ($code eq "C") {
1654 $cb = sub { "<tt>$_[0]</tt>" };
1655 } elsif ($code eq "E") {
1656 $cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
1657 } elsif ($code eq "G") {
1658 $cb = sub {
1659 my ($male, $female) = split /\|/, $_[0];
1660 $self->gender ? $female : $male
1661 };
1662 } elsif ($code eq "H") {
1663 $cb = sub {
1664 (
1665 "<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
1666 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1667 "",
1668 )[$self->{hintmode}];
1669 };
1670 } elsif ($code eq "I") {
1671 $cb = sub { "<i>$_[0]</i>" };
1672 } elsif ($code eq "T") {
1673 $cb = sub { "<big><b>$_[0]</b></big>" };
1674 } elsif ($code eq "U") {
1675 $cb = sub { "<u>$_[0]</u>" };
1676 } elsif ($code eq "Z") {
1677 $cb = sub { };
1678 } else {
1679 die "FATAL error in expand_cfpod";
1680 }
1681
1682 push @nest, [$delim, $cb, $xml];
1683 undef $xml;
1684
1685 } elsif ($_ =~ /$nest[-1][0]/gcs) {
1686 my $nest = pop @nest;
1687
1688 if ($nest->[1]) {
1689 $xml = $nest->[2] . $nest->[1]->($xml);
1690 } else {
1691 last;
1692 }
1693 } elsif (/\G</xgcs) {
1694 $xml .= "&lt;";
1695 } elsif (/\G&/xgcs) {
1696 $xml .= "&amp;";
1697 } elsif (/\G>/xgcs) {
1698 $xml .= ">";
1699 } else {
1700 if ($pod =~ /\G(.+)/xgcs) {
1701 warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
1702 last;
1703 } else {
1704 warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
1705 return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
1706 }
1707 }
1708 }
1709 }
1710
1711 $xml
1712}
1713
1714sub hintmode {
1715 $_[0]{hintmode} = $_[1] if @_ > 1;
1716 $_[0]{hintmode}
1717}
1718 1634
1719=item $player->ext_reply ($msgid, @msg) 1635=item $player->ext_reply ($msgid, @msg)
1720 1636
1721Sends an ext reply to the player. 1637Sends an ext reply to the player.
1722 1638
… …
2536 2452
2537=item $player_object->enter_link 2453=item $player_object->enter_link
2538 2454
2539Freezes the player and moves him/her to a special map (C<{link}>). 2455Freezes the player and moves him/her to a special map (C<{link}>).
2540 2456
2541The player should be reasonably safe there for short amounts of time. You 2457The player should be reasonably safe there for short amounts of time (e.g.
2542I<MUST> call C<leave_link> as soon as possible, though. 2458for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2459though, as the palyer cannot control the character while it is on the link
2460map.
2543 2461
2544Will never block. 2462Will never block.
2545 2463
2546=item $player_object->leave_link ($map, $x, $y) 2464=item $player_object->leave_link ($map, $x, $y)
2547 2465
… …
2605 2523
2606 $map->load; 2524 $map->load;
2607 $map->load_neighbours; 2525 $map->load_neighbours;
2608 2526
2609 return unless $self->contr->active; 2527 return unless $self->contr->active;
2528 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2610 $self->activate_recursive; 2529 $self->activate_recursive;
2611 2530
2612 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2531 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2613 $self->enter_map ($map, $x, $y); 2532 $self->enter_map ($map, $x, $y);
2614} 2533}
… …
2777 $self->contr->savebed ($map, $x, $y) 2696 $self->contr->savebed ($map, $x, $y)
2778 if $exit->flag (cf::FLAG_DAMNED); 2697 if $exit->flag (cf::FLAG_DAMNED);
2779 2698
2780 1 2699 1
2781 }) { 2700 }) {
2782 $self->message ("Something went wrong deep within the crossfire server. " 2701 $self->message ("Something went wrong deep within the deliantra server. "
2783 . "I'll try to bring you back to the map you were before. " 2702 . "I'll try to bring you back to the map you were before. "
2784 . "Please report this to the dungeon master!", 2703 . "Please report this to the dungeon master!",
2785 cf::NDI_UNIQUE | cf::NDI_RED); 2704 cf::NDI_UNIQUE | cf::NDI_RED);
2786 2705
2787 warn "ERROR in enter_exit: $@"; 2706 warn "ERROR in enter_exit: $@";
… …
2853 id => "infobox", 2772 id => "infobox",
2854 title => "Body Parts", 2773 title => "Body Parts",
2855 reply => undef, 2774 reply => undef,
2856 tooltip => "Shows which body parts you posess and are available", 2775 tooltip => "Shows which body parts you posess and are available",
2857 }, 2776 },
2777 "c/skills" => {
2778 id => "infobox",
2779 title => "Skills",
2780 reply => undef,
2781 tooltip => "Shows your experience per skill and item power",
2782 },
2858 "c/uptime" => { 2783 "c/uptime" => {
2859 id => "infobox", 2784 id => "infobox",
2860 title => "Uptime", 2785 title => "Uptime",
2861 reply => undef, 2786 reply => undef,
2862 tooltip => "How long the server has been running since last restart", 2787 tooltip => "How long the server has been running since last restart",
… …
2876); 2801);
2877 2802
2878sub cf::client::send_msg { 2803sub cf::client::send_msg {
2879 my ($self, $channel, $msg, $color, @extra) = @_; 2804 my ($self, $channel, $msg, $color, @extra) = @_;
2880 2805
2881 $msg = $self->pl->expand_cfpod ($msg); 2806 $msg = $self->pl->expand_cfpod ($msg)
2807 unless $color & cf::NDI_VERBATIM;
2882 2808
2883 $color &= cf::NDI_CLIENT_MASK; # just in case... 2809 $color &= cf::NDI_CLIENT_MASK; # just in case...
2884 2810
2885 # check predefined channels, for the benefit of C 2811 # check predefined channels, for the benefit of C
2886 if ($CHANNEL{$channel}) { 2812 if ($CHANNEL{$channel}) {
… …
3444 }; 3370 };
3445 warn $@ if $@; 3371 warn $@ if $@;
3446 } 3372 }
3447} 3373}
3448 3374
3375sub pidfile() {
3376 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3377 or die "$PIDFILE: $!";
3378 flock $fh, &Fcntl::LOCK_EX
3379 or die "$PIDFILE: flock: $!";
3380 $fh
3381}
3382
3383# make sure only one server instance is running at any one time
3384sub atomic {
3385 my $fh = pidfile;
3386
3387 my $pid = <$fh>;
3388 kill 9, $pid if $pid > 0;
3389
3390 seek $fh, 0, 0;
3391 print $fh $$;
3392}
3393
3449sub main { 3394sub main {
3395 atomic;
3396
3450 # we must not ever block the main coroutine 3397 # we must not ever block the main coroutine
3451 local $Coro::idle = sub { 3398 local $Coro::idle = sub {
3452 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3399 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3453 (async { 3400 (async {
3454 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3401 $Coro::current->{desc} = "IDLE BUG HANDLER";
… …
3463 load_extensions; 3410 load_extensions;
3464 3411
3465 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3412 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3466 } 3413 }
3467 3414
3415 utime time, time, $RUNTIMEFILE;
3416
3417 # no (long-running) fork's whatsoever before this point(!)
3418 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3419
3468 EV::loop; 3420 EV::loop;
3469} 3421}
3470 3422
3471############################################################################# 3423#############################################################################
3472# initialisation and cleanup 3424# initialisation and cleanup
… …
3480 }; 3432 };
3481 } 3433 }
3482} 3434}
3483 3435
3484sub write_runtime_sync { 3436sub write_runtime_sync {
3485 my $runtime = "$LOCALDIR/runtime";
3486
3487 # first touch the runtime file to show we are still running: 3437 # first touch the runtime file to show we are still running:
3488 # the fsync below can take a very very long time. 3438 # the fsync below can take a very very long time.
3489 3439
3490 IO::AIO::aio_utime $runtime, undef, undef; 3440 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3491 3441
3492 my $guard = cf::lock_acquire "write_runtime"; 3442 my $guard = cf::lock_acquire "write_runtime";
3493 3443
3494 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3444 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3495 or return; 3445 or return;
3496 3446
3497 my $value = $cf::RUNTIME + 90 + 10; 3447 my $value = $cf::RUNTIME + 90 + 10;
3498 # 10 is the runtime save interval, for a monotonic clock 3448 # 10 is the runtime save interval, for a monotonic clock
3499 # 60 allows for the watchdog to kill the server. 3449 # 60 allows for the watchdog to kill the server.
… …
3509 aio_utime $fh, undef, undef; 3459 aio_utime $fh, undef, undef;
3510 3460
3511 close $fh 3461 close $fh
3512 or return; 3462 or return;
3513 3463
3514 aio_rename "$runtime~", $runtime 3464 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3515 and return; 3465 and return;
3516 3466
3517 warn "runtime file written.\n"; 3467 warn "runtime file written.\n";
3518 3468
3519 1 3469 1
… …
3603sub post_cleanup { 3553sub post_cleanup {
3604 my ($make_core) = @_; 3554 my ($make_core) = @_;
3605 3555
3606 warn Carp::longmess "post_cleanup backtrace" 3556 warn Carp::longmess "post_cleanup backtrace"
3607 if $make_core; 3557 if $make_core;
3558
3559 my $fh = pidfile;
3560 unlink $PIDFILE if <$fh> == $$;
3608} 3561}
3609 3562
3610# a safer delete_package, copied from Symbol 3563# a safer delete_package, copied from Symbol
3611sub clear_package($) { 3564sub clear_package($) {
3612 my $pkg = shift; 3565 my $pkg = shift;
… …
3628 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH}; 3581 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3629 for my $name (keys %$leaf_symtab) { 3582 for my $name (keys %$leaf_symtab) {
3630 _gv_clear *{"$pkg$name"}; 3583 _gv_clear *{"$pkg$name"};
3631# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"}; 3584# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3632 } 3585 }
3633 warn "cleared package #$pkg\n";#d# 3586 warn "cleared package $pkg\n";#d#
3634} 3587}
3635
3636our $RELOAD; # how many times to reload
3637 3588
3638sub do_reload_perl() { 3589sub do_reload_perl() {
3639 # can/must only be called in main 3590 # can/must only be called in main
3640 if ($Coro::current != $Coro::main) { 3591 if ($Coro::current != $Coro::main) {
3641 warn "can only reload from main coroutine"; 3592 warn "can only reload from main coroutine";
… …
3755 3706
3756sub reload_perl() { 3707sub reload_perl() {
3757 # doing reload synchronously and two reloads happen back-to-back, 3708 # doing reload synchronously and two reloads happen back-to-back,
3758 # coro crashes during coro_state_free->destroy here. 3709 # coro crashes during coro_state_free->destroy here.
3759 3710
3760 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3711 $RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3761 do_reload_perl; 3712 do_reload_perl;
3762 undef $RELOAD_WATCHER; 3713 undef $RELOAD_WATCHER;
3763 }; 3714 };
3764} 3715}
3765 3716
… …
3893 $msg =~ s/\n//; 3844 $msg =~ s/\n//;
3894 3845
3895 # limit the # of concurrent backtraces 3846 # limit the # of concurrent backtraces
3896 if ($_log_backtrace < 2) { 3847 if ($_log_backtrace < 2) {
3897 ++$_log_backtrace; 3848 ++$_log_backtrace;
3849 my $perl_bt = Carp::longmess $msg;
3898 async { 3850 async {
3899 $Coro::current->{desc} = "abt $msg"; 3851 $Coro::current->{desc} = "abt $msg";
3900 3852
3901 my @bt = fork_call { 3853 my @bt = fork_call {
3902 @addr = map { sprintf "%x", $_ } @addr; 3854 @addr = map { sprintf "%x", $_ } @addr;
… …
3913 } 3865 }
3914 3866
3915 @funcs 3867 @funcs
3916 }; 3868 };
3917 3869
3918 LOG llevInfo, "[ABT] $msg\n"; 3870 LOG llevInfo, "[ABT] $perl_bt\n";
3871 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3919 LOG llevInfo, "[ABT] $_\n" for @bt; 3872 LOG llevInfo, "[ABT] $_\n" for @bt;
3920 --$_log_backtrace; 3873 --$_log_backtrace;
3921 }; 3874 };
3922 } else { 3875 } else {
3923 LOG llevInfo, "[ABT] $msg\n"; 3876 LOG llevInfo, "[ABT] $msg\n";

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