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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.441 by root, Sat Aug 30 05:19:03 2008 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 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 = ();
… …
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
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;
… …
727 733
728############################################################################# 734#############################################################################
729 735
730=head2 ATTACHABLE OBJECTS 736=head2 ATTACHABLE OBJECTS
731 737
732Many objects in crossfire are so-called attachable objects. That means you can 738Many objects in deliantra are so-called attachable objects. That means you can
733attach callbacks/event handlers (a collection of which is called an "attachment") 739attach callbacks/event handlers (a collection of which is called an "attachment")
734to it. All such attachable objects support the following methods. 740to it. All such attachable objects support the following methods.
735 741
736In the following description, CLASS can be any of C<global>, C<object> 742In 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 743C<player>, C<client> or C<map> (i.e. the attachable objects in
… …
787=item cf::CLASS::attachment $name, ... 793=item cf::CLASS::attachment $name, ...
788 794
789Register an attachment by C<$name> through which attachable objects of the 795Register an attachment by C<$name> through which attachable objects of the
790given CLASS can refer to this attachment. 796given CLASS can refer to this attachment.
791 797
792Some classes such as crossfire maps and objects can specify attachments 798Some classes such as deliantra maps and objects can specify attachments
793that are attached at load/instantiate time, thus the need for a name. 799that are attached at load/instantiate time, thus the need for a name.
794 800
795These calls expect any number of the following handler/hook descriptions: 801These calls expect any number of the following handler/hook descriptions:
796 802
797=over 4 803=over 4
… …
1385 1391
1386=back 1392=back
1387 1393
1388=head2 CORE EXTENSIONS 1394=head2 CORE EXTENSIONS
1389 1395
1390Functions and methods that extend core crossfire objects. 1396Functions and methods that extend core deliantra objects.
1391 1397
1392=cut 1398=cut
1393 1399
1394package cf::player; 1400package cf::player;
1395 1401
… …
1523 my ($pl) = @_; 1529 my ($pl) = @_;
1524 1530
1525 my $name = $pl->ob->name; 1531 my $name = $pl->ob->name;
1526 1532
1527 $pl->{deny_save} = 1; 1533 $pl->{deny_save} = 1;
1528 $pl->password ("*"); # this should lock out the player until we nuked the dir 1534 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1529 1535
1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1536 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1531 $pl->deactivate; 1537 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy; 1538 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score; 1539 $pl->ob->check_score;
… …
1619 } 1625 }
1620 1626
1621 \@paths 1627 \@paths
1622} 1628}
1623 1629
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1630=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625 1631
1626Expand crossfire pod fragments into protocol xml. 1632Expand deliantra pod fragments into protocol xml.
1627
1628=cut
1629
1630use re 'eval';
1631
1632my $group;
1633my $interior; $interior = qr{
1634 # match a pod interior sequence sans C<< >>
1635 (?:
1636 \ (.*?)\ (?{ $group = $^N })
1637 | < (??{$interior}) >
1638 )
1639}x;
1640
1641sub expand_cfpod {
1642 my ($self, $pod) = @_;
1643
1644 my $xml;
1645
1646 while () {
1647 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1648 $group = $1;
1649
1650 $group =~ s/&/&amp;/g;
1651 $group =~ s/</&lt;/g;
1652
1653 $xml .= $group;
1654 } elsif ($pod =~ m%\G
1655 ([BCGHITU])
1656 <
1657 (?:
1658 ([^<>]*) (?{ $group = $^N })
1659 | < $interior >
1660 )
1661 >
1662 %gcsx
1663 ) {
1664 my ($code, $data) = ($1, $group);
1665
1666 if ($code eq "B") {
1667 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1668 } elsif ($code eq "I") {
1669 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1670 } elsif ($code eq "U") {
1671 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1672 } elsif ($code eq "C") {
1673 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1674 } elsif ($code eq "T") {
1675 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1676 } elsif ($code eq "G") {
1677 my ($male, $female) = split /\|/, $data;
1678 $data = $self->gender ? $female : $male;
1679 $xml .= expand_cfpod ($self, $data);
1680 } elsif ($code eq "H") {
1681 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1682 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1683 "")
1684 [$self->{hintmode}];
1685 } else {
1686 $xml .= "error processing '$code($data)' directive";
1687 }
1688 } else {
1689 if ($pod =~ /\G(.+)/) {
1690 warn "parse error while expanding $pod (at $1)";
1691 }
1692 last;
1693 }
1694 }
1695
1696 for ($xml) {
1697 # create single paragraphs (very hackish)
1698 s/(?<=\S)\n(?=\w)/ /g;
1699
1700 # compress some whitespace
1701 s/\s+\n/\n/g; # ws line-ends
1702 s/\n\n+/\n/g; # double lines
1703 s/^\n+//; # beginning lines
1704 s/\n+$//; # ending lines
1705 }
1706
1707 $xml
1708}
1709
1710no re 'eval';
1711
1712sub hintmode {
1713 $_[0]{hintmode} = $_[1] if @_ > 1;
1714 $_[0]{hintmode}
1715}
1716 1633
1717=item $player->ext_reply ($msgid, @msg) 1634=item $player->ext_reply ($msgid, @msg)
1718 1635
1719Sends an ext reply to the player. 1636Sends an ext reply to the player.
1720 1637
… …
2534 2451
2535=item $player_object->enter_link 2452=item $player_object->enter_link
2536 2453
2537Freezes the player and moves him/her to a special map (C<{link}>). 2454Freezes the player and moves him/her to a special map (C<{link}>).
2538 2455
2539The player should be reasonably safe there for short amounts of time. You 2456The player should be reasonably safe there for short amounts of time (e.g.
2540I<MUST> call C<leave_link> as soon as possible, though. 2457for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2458though, as the palyer cannot control the character while it is on the link
2459map.
2541 2460
2542Will never block. 2461Will never block.
2543 2462
2544=item $player_object->leave_link ($map, $x, $y) 2463=item $player_object->leave_link ($map, $x, $y)
2545 2464
… …
2603 2522
2604 $map->load; 2523 $map->load;
2605 $map->load_neighbours; 2524 $map->load_neighbours;
2606 2525
2607 return unless $self->contr->active; 2526 return unless $self->contr->active;
2527 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2608 $self->activate_recursive; 2528 $self->activate_recursive;
2609 2529
2610 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2530 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2611 $self->enter_map ($map, $x, $y); 2531 $self->enter_map ($map, $x, $y);
2612} 2532}
… …
2775 $self->contr->savebed ($map, $x, $y) 2695 $self->contr->savebed ($map, $x, $y)
2776 if $exit->flag (cf::FLAG_DAMNED); 2696 if $exit->flag (cf::FLAG_DAMNED);
2777 2697
2778 1 2698 1
2779 }) { 2699 }) {
2780 $self->message ("Something went wrong deep within the crossfire server. " 2700 $self->message ("Something went wrong deep within the deliantra server. "
2781 . "I'll try to bring you back to the map you were before. " 2701 . "I'll try to bring you back to the map you were before. "
2782 . "Please report this to the dungeon master!", 2702 . "Please report this to the dungeon master!",
2783 cf::NDI_UNIQUE | cf::NDI_RED); 2703 cf::NDI_UNIQUE | cf::NDI_RED);
2784 2704
2785 warn "ERROR in enter_exit: $@"; 2705 warn "ERROR in enter_exit: $@";
… …
2874); 2794);
2875 2795
2876sub cf::client::send_msg { 2796sub cf::client::send_msg {
2877 my ($self, $channel, $msg, $color, @extra) = @_; 2797 my ($self, $channel, $msg, $color, @extra) = @_;
2878 2798
2879 $msg = $self->pl->expand_cfpod ($msg); 2799 $msg = $self->pl->expand_cfpod ($msg)
2800 unless $color & cf::NDI_VERBATIM;
2880 2801
2881 $color &= cf::NDI_CLIENT_MASK; # just in case... 2802 $color &= cf::NDI_CLIENT_MASK; # just in case...
2882 2803
2883 # check predefined channels, for the benefit of C 2804 # check predefined channels, for the benefit of C
2884 if ($CHANNEL{$channel}) { 2805 if ($CHANNEL{$channel}) {
… …
2905 if ($self->can_msg) { 2826 if ($self->can_msg) {
2906 # default colour, mask it out 2827 # default colour, mask it out
2907 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2828 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2908 if $color & cf::NDI_DEF; 2829 if $color & cf::NDI_DEF;
2909 2830
2910 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2831 my $pkt = "msg "
2832 . $self->{json_coder}->encode (
2911 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2833 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2834 );
2835
2836 # try lzf for large packets
2837 $pkt = "lzf " . Compress::LZF::compress $pkt
2838 if 1024 <= length $pkt and $self->{can_lzf};
2839
2840 # split very large packets
2841 if (8192 < length $pkt and $self->{can_lzf}) {
2842 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2843 $pkt = "frag";
2844 }
2845
2846 $self->send_packet ($pkt);
2912 } else { 2847 } else {
2913 if ($color >= 0) { 2848 if ($color >= 0) {
2914 # replace some tags by gcfclient-compatible ones 2849 # replace some tags by gcfclient-compatible ones
2915 for ($msg) { 2850 for ($msg) {
2916 1 while 2851 1 while
… …
3428 }; 3363 };
3429 warn $@ if $@; 3364 warn $@ if $@;
3430 } 3365 }
3431} 3366}
3432 3367
3368sub pidfile() {
3369 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3370 or die "$PIDFILE: $!";
3371 flock $fh, &Fcntl::LOCK_EX
3372 or die "$PIDFILE: flock: $!";
3373 $fh
3374}
3375
3376# make sure only one server instance is running at any one time
3377sub atomic {
3378 my $fh = pidfile;
3379
3380 my $pid = <$fh>;
3381 kill 9, $pid if $pid > 0;
3382
3383 seek $fh, 0, 0;
3384 print $fh $$;
3385}
3386
3433sub main { 3387sub main {
3388 atomic;
3389
3434 # we must not ever block the main coroutine 3390 # we must not ever block the main coroutine
3435 local $Coro::idle = sub { 3391 local $Coro::idle = sub {
3436 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3392 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3437 (async { 3393 (async {
3438 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3394 $Coro::current->{desc} = "IDLE BUG HANDLER";
… …
3447 load_extensions; 3403 load_extensions;
3448 3404
3449 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3405 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3450 } 3406 }
3451 3407
3408 utime time, time, $RUNTIMEFILE;
3409
3410 # no (long-running) fork's whatsoever before this point(!)
3411 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3412
3452 EV::loop; 3413 EV::loop;
3453} 3414}
3454 3415
3455############################################################################# 3416#############################################################################
3456# initialisation and cleanup 3417# initialisation and cleanup
… …
3464 }; 3425 };
3465 } 3426 }
3466} 3427}
3467 3428
3468sub write_runtime_sync { 3429sub write_runtime_sync {
3469 my $runtime = "$LOCALDIR/runtime";
3470
3471 # first touch the runtime file to show we are still running: 3430 # first touch the runtime file to show we are still running:
3472 # the fsync below can take a very very long time. 3431 # the fsync below can take a very very long time.
3473 3432
3474 IO::AIO::aio_utime $runtime, undef, undef; 3433 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3475 3434
3476 my $guard = cf::lock_acquire "write_runtime"; 3435 my $guard = cf::lock_acquire "write_runtime";
3477 3436
3478 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3437 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3479 or return; 3438 or return;
3480 3439
3481 my $value = $cf::RUNTIME + 90 + 10; 3440 my $value = $cf::RUNTIME + 90 + 10;
3482 # 10 is the runtime save interval, for a monotonic clock 3441 # 10 is the runtime save interval, for a monotonic clock
3483 # 60 allows for the watchdog to kill the server. 3442 # 60 allows for the watchdog to kill the server.
… …
3493 aio_utime $fh, undef, undef; 3452 aio_utime $fh, undef, undef;
3494 3453
3495 close $fh 3454 close $fh
3496 or return; 3455 or return;
3497 3456
3498 aio_rename "$runtime~", $runtime 3457 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3499 and return; 3458 and return;
3500 3459
3501 warn "runtime file written.\n"; 3460 warn "runtime file written.\n";
3502 3461
3503 1 3462 1
… …
3587sub post_cleanup { 3546sub post_cleanup {
3588 my ($make_core) = @_; 3547 my ($make_core) = @_;
3589 3548
3590 warn Carp::longmess "post_cleanup backtrace" 3549 warn Carp::longmess "post_cleanup backtrace"
3591 if $make_core; 3550 if $make_core;
3551
3552 my $fh = pidfile;
3553 unlink $PIDFILE if <$fh> == $$;
3592} 3554}
3593 3555
3594# a safer delete_package, copied from Symbol 3556# a safer delete_package, copied from Symbol
3595sub clear_package($) { 3557sub clear_package($) {
3596 my $pkg = shift; 3558 my $pkg = shift;
… …
3877 $msg =~ s/\n//; 3839 $msg =~ s/\n//;
3878 3840
3879 # limit the # of concurrent backtraces 3841 # limit the # of concurrent backtraces
3880 if ($_log_backtrace < 2) { 3842 if ($_log_backtrace < 2) {
3881 ++$_log_backtrace; 3843 ++$_log_backtrace;
3844 my $perl_bt = Carp::longmess $msg;
3882 async { 3845 async {
3883 $Coro::current->{desc} = "abt $msg"; 3846 $Coro::current->{desc} = "abt $msg";
3884 3847
3885 my @bt = fork_call { 3848 my @bt = fork_call {
3886 @addr = map { sprintf "%x", $_ } @addr; 3849 @addr = map { sprintf "%x", $_ } @addr;
… …
3897 } 3860 }
3898 3861
3899 @funcs 3862 @funcs
3900 }; 3863 };
3901 3864
3902 LOG llevInfo, "[ABT] $msg\n"; 3865 LOG llevInfo, "[ABT] $perl_bt\n";
3866 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3903 LOG llevInfo, "[ABT] $_\n" for @bt; 3867 LOG llevInfo, "[ABT] $_\n" for @bt;
3904 --$_log_backtrace; 3868 --$_log_backtrace;
3905 }; 3869 };
3906 } else { 3870 } else {
3907 LOG llevInfo, "[ABT] $msg\n"; 3871 LOG llevInfo, "[ABT] $msg\n";

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