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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 1.449 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
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 1633
1719=item $player->ext_reply ($msgid, @msg) 1634=item $player->ext_reply ($msgid, @msg)
1720 1635
1721Sends an ext reply to the player. 1636Sends an ext reply to the player.
1722 1637
… …
2536 2451
2537=item $player_object->enter_link 2452=item $player_object->enter_link
2538 2453
2539Freezes 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}>).
2540 2455
2541The 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.
2542I<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.
2543 2460
2544Will never block. 2461Will never block.
2545 2462
2546=item $player_object->leave_link ($map, $x, $y) 2463=item $player_object->leave_link ($map, $x, $y)
2547 2464
… …
2605 2522
2606 $map->load; 2523 $map->load;
2607 $map->load_neighbours; 2524 $map->load_neighbours;
2608 2525
2609 return unless $self->contr->active; 2526 return unless $self->contr->active;
2527 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2610 $self->activate_recursive; 2528 $self->activate_recursive;
2611 2529
2612 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2530 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2613 $self->enter_map ($map, $x, $y); 2531 $self->enter_map ($map, $x, $y);
2614} 2532}
… …
2777 $self->contr->savebed ($map, $x, $y) 2695 $self->contr->savebed ($map, $x, $y)
2778 if $exit->flag (cf::FLAG_DAMNED); 2696 if $exit->flag (cf::FLAG_DAMNED);
2779 2697
2780 1 2698 1
2781 }) { 2699 }) {
2782 $self->message ("Something went wrong deep within the crossfire server. " 2700 $self->message ("Something went wrong deep within the deliantra server. "
2783 . "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. "
2784 . "Please report this to the dungeon master!", 2702 . "Please report this to the dungeon master!",
2785 cf::NDI_UNIQUE | cf::NDI_RED); 2703 cf::NDI_UNIQUE | cf::NDI_RED);
2786 2704
2787 warn "ERROR in enter_exit: $@"; 2705 warn "ERROR in enter_exit: $@";
… …
2876); 2794);
2877 2795
2878sub cf::client::send_msg { 2796sub cf::client::send_msg {
2879 my ($self, $channel, $msg, $color, @extra) = @_; 2797 my ($self, $channel, $msg, $color, @extra) = @_;
2880 2798
2881 $msg = $self->pl->expand_cfpod ($msg); 2799 $msg = $self->pl->expand_cfpod ($msg)
2800 unless $color & cf::NDI_VERBATIM;
2882 2801
2883 $color &= cf::NDI_CLIENT_MASK; # just in case... 2802 $color &= cf::NDI_CLIENT_MASK; # just in case...
2884 2803
2885 # check predefined channels, for the benefit of C 2804 # check predefined channels, for the benefit of C
2886 if ($CHANNEL{$channel}) { 2805 if ($CHANNEL{$channel}) {
… …
2907 if ($self->can_msg) { 2826 if ($self->can_msg) {
2908 # default colour, mask it out 2827 # default colour, mask it out
2909 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2828 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2910 if $color & cf::NDI_DEF; 2829 if $color & cf::NDI_DEF;
2911 2830
2912 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2831 my $pkt = "msg "
2832 . $self->{json_coder}->encode (
2913 [$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);
2914 } else { 2847 } else {
2915 if ($color >= 0) { 2848 if ($color >= 0) {
2916 # replace some tags by gcfclient-compatible ones 2849 # replace some tags by gcfclient-compatible ones
2917 for ($msg) { 2850 for ($msg) {
2918 1 while 2851 1 while
… …
3430 }; 3363 };
3431 warn $@ if $@; 3364 warn $@ if $@;
3432 } 3365 }
3433} 3366}
3434 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
3435sub main { 3387sub main {
3388 atomic;
3389
3436 # we must not ever block the main coroutine 3390 # we must not ever block the main coroutine
3437 local $Coro::idle = sub { 3391 local $Coro::idle = sub {
3438 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#
3439 (async { 3393 (async {
3440 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3394 $Coro::current->{desc} = "IDLE BUG HANDLER";
… …
3449 load_extensions; 3403 load_extensions;
3450 3404
3451 $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
3452 } 3406 }
3453 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
3454 EV::loop; 3413 EV::loop;
3455} 3414}
3456 3415
3457############################################################################# 3416#############################################################################
3458# initialisation and cleanup 3417# initialisation and cleanup
… …
3466 }; 3425 };
3467 } 3426 }
3468} 3427}
3469 3428
3470sub write_runtime_sync { 3429sub write_runtime_sync {
3471 my $runtime = "$LOCALDIR/runtime";
3472
3473 # first touch the runtime file to show we are still running: 3430 # first touch the runtime file to show we are still running:
3474 # the fsync below can take a very very long time. 3431 # the fsync below can take a very very long time.
3475 3432
3476 IO::AIO::aio_utime $runtime, undef, undef; 3433 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3477 3434
3478 my $guard = cf::lock_acquire "write_runtime"; 3435 my $guard = cf::lock_acquire "write_runtime";
3479 3436
3480 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3437 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3481 or return; 3438 or return;
3482 3439
3483 my $value = $cf::RUNTIME + 90 + 10; 3440 my $value = $cf::RUNTIME + 90 + 10;
3484 # 10 is the runtime save interval, for a monotonic clock 3441 # 10 is the runtime save interval, for a monotonic clock
3485 # 60 allows for the watchdog to kill the server. 3442 # 60 allows for the watchdog to kill the server.
… …
3495 aio_utime $fh, undef, undef; 3452 aio_utime $fh, undef, undef;
3496 3453
3497 close $fh 3454 close $fh
3498 or return; 3455 or return;
3499 3456
3500 aio_rename "$runtime~", $runtime 3457 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3501 and return; 3458 and return;
3502 3459
3503 warn "runtime file written.\n"; 3460 warn "runtime file written.\n";
3504 3461
3505 1 3462 1
… …
3589sub post_cleanup { 3546sub post_cleanup {
3590 my ($make_core) = @_; 3547 my ($make_core) = @_;
3591 3548
3592 warn Carp::longmess "post_cleanup backtrace" 3549 warn Carp::longmess "post_cleanup backtrace"
3593 if $make_core; 3550 if $make_core;
3551
3552 my $fh = pidfile;
3553 unlink $PIDFILE if <$fh> == $$;
3594} 3554}
3595 3555
3596# a safer delete_package, copied from Symbol 3556# a safer delete_package, copied from Symbol
3597sub clear_package($) { 3557sub clear_package($) {
3598 my $pkg = shift; 3558 my $pkg = shift;
… …
3879 $msg =~ s/\n//; 3839 $msg =~ s/\n//;
3880 3840
3881 # limit the # of concurrent backtraces 3841 # limit the # of concurrent backtraces
3882 if ($_log_backtrace < 2) { 3842 if ($_log_backtrace < 2) {
3883 ++$_log_backtrace; 3843 ++$_log_backtrace;
3844 my $perl_bt = Carp::longmess $msg;
3884 async { 3845 async {
3885 $Coro::current->{desc} = "abt $msg"; 3846 $Coro::current->{desc} = "abt $msg";
3886 3847
3887 my @bt = fork_call { 3848 my @bt = fork_call {
3888 @addr = map { sprintf "%x", $_ } @addr; 3849 @addr = map { sprintf "%x", $_ } @addr;
… …
3899 } 3860 }
3900 3861
3901 @funcs 3862 @funcs
3902 }; 3863 };
3903 3864
3904 LOG llevInfo, "[ABT] $msg\n"; 3865 LOG llevInfo, "[ABT] $perl_bt\n";
3866 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3905 LOG llevInfo, "[ABT] $_\n" for @bt; 3867 LOG llevInfo, "[ABT] $_\n" for @bt;
3906 --$_log_backtrace; 3868 --$_log_backtrace;
3907 }; 3869 };
3908 } else { 3870 } else {
3909 LOG llevInfo, "[ABT] $msg\n"; 3871 LOG llevInfo, "[ABT] $msg\n";

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