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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.442 by root, Sun Aug 31 09:03:31 2008 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 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
68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69 68
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71{
72 # very ugly, but ensure we acquire the storable lock
73
74 sub net_mstore {
75 my $guard = Coro::Storable::guard;
76 &Storable::net_mstore
77 }
78
79 sub mretrieve {
80 my $guard = Coro::Storable::guard;
81 &Storable::mretrieve
82 }
83
84 Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
85 Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
86}
71 87
72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 88sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73 89
74our %COMMAND = (); 90our %COMMAND = ();
75our %COMMAND_TIME = (); 91our %COMMAND_TIME = ();
… …
81our %EXT_MAP = (); # pluggable maps 97our %EXT_MAP = (); # pluggable maps
82 98
83our $RELOAD; # number of reloads so far 99our $RELOAD; # number of reloads so far
84our @EVENT; 100our @EVENT;
85 101
86our $CONFDIR = confdir; 102our $CONFDIR = confdir;
87our $DATADIR = datadir; 103our $DATADIR = datadir;
88our $LIBDIR = "$DATADIR/ext"; 104our $LIBDIR = "$DATADIR/ext";
89our $PODDIR = "$DATADIR/pod"; 105our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir; 106our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir; 107our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir; 108our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 109our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir; 110our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random"; 111our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db"; 112our $BDBDIR = "$LOCALDIR/db";
113our $PIDFILE = "$LOCALDIR/pid";
114our $RUNTIMEFILE = "$LOCALDIR/runtime";
115
97our %RESOURCE; 116our %RESOURCE;
98 117
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 118our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 119our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101our $NEXT_TICK; 120our $NEXT_TICK;
… …
126 145
127binmode STDOUT; 146binmode STDOUT;
128binmode STDERR; 147binmode STDERR;
129 148
130# read virtual server time, if available 149# read virtual server time, if available
131unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 150unless ($RUNTIME || !-e $RUNTIMEFILE) {
132 open my $fh, "<", "$LOCALDIR/runtime" 151 open my $fh, "<", $RUNTIMEFILE
133 or die "unable to read runtime file: $!"; 152 or die "unable to read $RUNTIMEFILE file: $!";
134 $RUNTIME = <$fh> + 0.; 153 $RUNTIME = <$fh> + 0.;
135} 154}
136 155
137mkdir $_ 156mkdir $_
138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 157 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
727 746
728############################################################################# 747#############################################################################
729 748
730=head2 ATTACHABLE OBJECTS 749=head2 ATTACHABLE OBJECTS
731 750
732Many objects in crossfire are so-called attachable objects. That means you can 751Many objects in deliantra are so-called attachable objects. That means you can
733attach callbacks/event handlers (a collection of which is called an "attachment") 752attach callbacks/event handlers (a collection of which is called an "attachment")
734to it. All such attachable objects support the following methods. 753to it. All such attachable objects support the following methods.
735 754
736In the following description, CLASS can be any of C<global>, C<object> 755In 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 756C<player>, C<client> or C<map> (i.e. the attachable objects in
… …
787=item cf::CLASS::attachment $name, ... 806=item cf::CLASS::attachment $name, ...
788 807
789Register an attachment by C<$name> through which attachable objects of the 808Register an attachment by C<$name> through which attachable objects of the
790given CLASS can refer to this attachment. 809given CLASS can refer to this attachment.
791 810
792Some classes such as crossfire maps and objects can specify attachments 811Some classes such as deliantra maps and objects can specify attachments
793that are attached at load/instantiate time, thus the need for a name. 812that are attached at load/instantiate time, thus the need for a name.
794 813
795These calls expect any number of the following handler/hook descriptions: 814These calls expect any number of the following handler/hook descriptions:
796 815
797=over 4 816=over 4
… …
1385 1404
1386=back 1405=back
1387 1406
1388=head2 CORE EXTENSIONS 1407=head2 CORE EXTENSIONS
1389 1408
1390Functions and methods that extend core crossfire objects. 1409Functions and methods that extend core deliantra objects.
1391 1410
1392=cut 1411=cut
1393 1412
1394package cf::player; 1413package cf::player;
1395 1414
… …
1523 my ($pl) = @_; 1542 my ($pl) = @_;
1524 1543
1525 my $name = $pl->ob->name; 1544 my $name = $pl->ob->name;
1526 1545
1527 $pl->{deny_save} = 1; 1546 $pl->{deny_save} = 1;
1528 $pl->password ("*"); # this should lock out the player until we nuked the dir 1547 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1529 1548
1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1549 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1531 $pl->deactivate; 1550 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy; 1551 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score; 1552 $pl->ob->check_score;
… …
1619 } 1638 }
1620 1639
1621 \@paths 1640 \@paths
1622} 1641}
1623 1642
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1643=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625 1644
1626Expand crossfire pod fragments into protocol xml. 1645Expand 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 1646
1719=item $player->ext_reply ($msgid, @msg) 1647=item $player->ext_reply ($msgid, @msg)
1720 1648
1721Sends an ext reply to the player. 1649Sends an ext reply to the player.
1722 1650
… …
2536 2464
2537=item $player_object->enter_link 2465=item $player_object->enter_link
2538 2466
2539Freezes the player and moves him/her to a special map (C<{link}>). 2467Freezes the player and moves him/her to a special map (C<{link}>).
2540 2468
2541The player should be reasonably safe there for short amounts of time. You 2469The player should be reasonably safe there for short amounts of time (e.g.
2542I<MUST> call C<leave_link> as soon as possible, though. 2470for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2471though, as the palyer cannot control the character while it is on the link
2472map.
2543 2473
2544Will never block. 2474Will never block.
2545 2475
2546=item $player_object->leave_link ($map, $x, $y) 2476=item $player_object->leave_link ($map, $x, $y)
2547 2477
… …
2605 2535
2606 $map->load; 2536 $map->load;
2607 $map->load_neighbours; 2537 $map->load_neighbours;
2608 2538
2609 return unless $self->contr->active; 2539 return unless $self->contr->active;
2540 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2610 $self->activate_recursive; 2541 $self->activate_recursive;
2611 2542
2612 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2543 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2613 $self->enter_map ($map, $x, $y); 2544 $self->enter_map ($map, $x, $y);
2614} 2545}
… …
2777 $self->contr->savebed ($map, $x, $y) 2708 $self->contr->savebed ($map, $x, $y)
2778 if $exit->flag (cf::FLAG_DAMNED); 2709 if $exit->flag (cf::FLAG_DAMNED);
2779 2710
2780 1 2711 1
2781 }) { 2712 }) {
2782 $self->message ("Something went wrong deep within the crossfire server. " 2713 $self->message ("Something went wrong deep within the deliantra server. "
2783 . "I'll try to bring you back to the map you were before. " 2714 . "I'll try to bring you back to the map you were before. "
2784 . "Please report this to the dungeon master!", 2715 . "Please report this to the dungeon master!",
2785 cf::NDI_UNIQUE | cf::NDI_RED); 2716 cf::NDI_UNIQUE | cf::NDI_RED);
2786 2717
2787 warn "ERROR in enter_exit: $@"; 2718 warn "ERROR in enter_exit: $@";
… …
2876); 2807);
2877 2808
2878sub cf::client::send_msg { 2809sub cf::client::send_msg {
2879 my ($self, $channel, $msg, $color, @extra) = @_; 2810 my ($self, $channel, $msg, $color, @extra) = @_;
2880 2811
2881 $msg = $self->pl->expand_cfpod ($msg); 2812 $msg = $self->pl->expand_cfpod ($msg)
2813 unless $color & cf::NDI_VERBATIM;
2882 2814
2883 $color &= cf::NDI_CLIENT_MASK; # just in case... 2815 $color &= cf::NDI_CLIENT_MASK; # just in case...
2884 2816
2885 # check predefined channels, for the benefit of C 2817 # check predefined channels, for the benefit of C
2886 if ($CHANNEL{$channel}) { 2818 if ($CHANNEL{$channel}) {
… …
2907 if ($self->can_msg) { 2839 if ($self->can_msg) {
2908 # default colour, mask it out 2840 # default colour, mask it out
2909 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2841 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2910 if $color & cf::NDI_DEF; 2842 if $color & cf::NDI_DEF;
2911 2843
2912 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2844 my $pkt = "msg "
2845 . $self->{json_coder}->encode (
2913 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2846 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2847 );
2848
2849 # try lzf for large packets
2850 $pkt = "lzf " . Compress::LZF::compress $pkt
2851 if 1024 <= length $pkt and $self->{can_lzf};
2852
2853 # split very large packets
2854 if (8192 < length $pkt and $self->{can_lzf}) {
2855 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2856 $pkt = "frag";
2857 }
2858
2859 $self->send_packet ($pkt);
2914 } else { 2860 } else {
2915 if ($color >= 0) { 2861 if ($color >= 0) {
2916 # replace some tags by gcfclient-compatible ones 2862 # replace some tags by gcfclient-compatible ones
2917 for ($msg) { 2863 for ($msg) {
2918 1 while 2864 1 while
… …
3430 }; 3376 };
3431 warn $@ if $@; 3377 warn $@ if $@;
3432 } 3378 }
3433} 3379}
3434 3380
3381sub pidfile() {
3382 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3383 or die "$PIDFILE: $!";
3384 flock $fh, &Fcntl::LOCK_EX
3385 or die "$PIDFILE: flock: $!";
3386 $fh
3387}
3388
3389# make sure only one server instance is running at any one time
3390sub atomic {
3391 my $fh = pidfile;
3392
3393 my $pid = <$fh>;
3394 kill 9, $pid if $pid > 0;
3395
3396 seek $fh, 0, 0;
3397 print $fh $$;
3398}
3399
3435sub main { 3400sub main {
3401 atomic;
3402
3436 # we must not ever block the main coroutine 3403 # we must not ever block the main coroutine
3437 local $Coro::idle = sub { 3404 local $Coro::idle = sub {
3438 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3405 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3439 (async { 3406 (async {
3440 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3407 $Coro::current->{desc} = "IDLE BUG HANDLER";
… …
3449 load_extensions; 3416 load_extensions;
3450 3417
3451 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3418 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3452 } 3419 }
3453 3420
3421 utime time, time, $RUNTIMEFILE;
3422
3423 # no (long-running) fork's whatsoever before this point(!)
3424 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3425
3454 EV::loop; 3426 EV::loop;
3455} 3427}
3456 3428
3457############################################################################# 3429#############################################################################
3458# initialisation and cleanup 3430# initialisation and cleanup
… …
3466 }; 3438 };
3467 } 3439 }
3468} 3440}
3469 3441
3470sub write_runtime_sync { 3442sub write_runtime_sync {
3471 my $runtime = "$LOCALDIR/runtime";
3472
3473 # first touch the runtime file to show we are still running: 3443 # first touch the runtime file to show we are still running:
3474 # the fsync below can take a very very long time. 3444 # the fsync below can take a very very long time.
3475 3445
3476 IO::AIO::aio_utime $runtime, undef, undef; 3446 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3477 3447
3478 my $guard = cf::lock_acquire "write_runtime"; 3448 my $guard = cf::lock_acquire "write_runtime";
3479 3449
3480 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3450 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3481 or return; 3451 or return;
3482 3452
3483 my $value = $cf::RUNTIME + 90 + 10; 3453 my $value = $cf::RUNTIME + 90 + 10;
3484 # 10 is the runtime save interval, for a monotonic clock 3454 # 10 is the runtime save interval, for a monotonic clock
3485 # 60 allows for the watchdog to kill the server. 3455 # 60 allows for the watchdog to kill the server.
… …
3495 aio_utime $fh, undef, undef; 3465 aio_utime $fh, undef, undef;
3496 3466
3497 close $fh 3467 close $fh
3498 or return; 3468 or return;
3499 3469
3500 aio_rename "$runtime~", $runtime 3470 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3501 and return; 3471 and return;
3502 3472
3503 warn "runtime file written.\n"; 3473 warn "runtime file written.\n";
3504 3474
3505 1 3475 1
… …
3589sub post_cleanup { 3559sub post_cleanup {
3590 my ($make_core) = @_; 3560 my ($make_core) = @_;
3591 3561
3592 warn Carp::longmess "post_cleanup backtrace" 3562 warn Carp::longmess "post_cleanup backtrace"
3593 if $make_core; 3563 if $make_core;
3564
3565 my $fh = pidfile;
3566 unlink $PIDFILE if <$fh> == $$;
3594} 3567}
3595 3568
3596# a safer delete_package, copied from Symbol 3569# a safer delete_package, copied from Symbol
3597sub clear_package($) { 3570sub clear_package($) {
3598 my $pkg = shift; 3571 my $pkg = shift;
… …
3879 $msg =~ s/\n//; 3852 $msg =~ s/\n//;
3880 3853
3881 # limit the # of concurrent backtraces 3854 # limit the # of concurrent backtraces
3882 if ($_log_backtrace < 2) { 3855 if ($_log_backtrace < 2) {
3883 ++$_log_backtrace; 3856 ++$_log_backtrace;
3857 my $perl_bt = Carp::longmess $msg;
3884 async { 3858 async {
3885 $Coro::current->{desc} = "abt $msg"; 3859 $Coro::current->{desc} = "abt $msg";
3886 3860
3887 my @bt = fork_call { 3861 my @bt = fork_call {
3888 @addr = map { sprintf "%x", $_ } @addr; 3862 @addr = map { sprintf "%x", $_ } @addr;
… …
3899 } 3873 }
3900 3874
3901 @funcs 3875 @funcs
3902 }; 3876 };
3903 3877
3904 LOG llevInfo, "[ABT] $msg\n"; 3878 LOG llevInfo, "[ABT] $perl_bt\n";
3879 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3905 LOG llevInfo, "[ABT] $_\n" for @bt; 3880 LOG llevInfo, "[ABT] $_\n" for @bt;
3906 --$_log_backtrace; 3881 --$_log_backtrace;
3907 }; 3882 };
3908 } else { 3883 } else {
3909 LOG llevInfo, "[ABT] $msg\n"; 3884 LOG llevInfo, "[ABT] $msg\n";

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