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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 1.448 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
… …
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}) {
… …
3444 }; 3376 };
3445 warn $@ if $@; 3377 warn $@ if $@;
3446 } 3378 }
3447} 3379}
3448 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
3449sub main { 3400sub main {
3401 atomic;
3402
3450 # we must not ever block the main coroutine 3403 # we must not ever block the main coroutine
3451 local $Coro::idle = sub { 3404 local $Coro::idle = sub {
3452 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#
3453 (async { 3406 (async {
3454 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3407 $Coro::current->{desc} = "IDLE BUG HANDLER";
… …
3463 load_extensions; 3416 load_extensions;
3464 3417
3465 $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
3466 } 3419 }
3467 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
3468 EV::loop; 3426 EV::loop;
3469} 3427}
3470 3428
3471############################################################################# 3429#############################################################################
3472# initialisation and cleanup 3430# initialisation and cleanup
… …
3480 }; 3438 };
3481 } 3439 }
3482} 3440}
3483 3441
3484sub write_runtime_sync { 3442sub write_runtime_sync {
3485 my $runtime = "$LOCALDIR/runtime";
3486
3487 # first touch the runtime file to show we are still running: 3443 # first touch the runtime file to show we are still running:
3488 # the fsync below can take a very very long time. 3444 # the fsync below can take a very very long time.
3489 3445
3490 IO::AIO::aio_utime $runtime, undef, undef; 3446 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3491 3447
3492 my $guard = cf::lock_acquire "write_runtime"; 3448 my $guard = cf::lock_acquire "write_runtime";
3493 3449
3494 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3450 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3495 or return; 3451 or return;
3496 3452
3497 my $value = $cf::RUNTIME + 90 + 10; 3453 my $value = $cf::RUNTIME + 90 + 10;
3498 # 10 is the runtime save interval, for a monotonic clock 3454 # 10 is the runtime save interval, for a monotonic clock
3499 # 60 allows for the watchdog to kill the server. 3455 # 60 allows for the watchdog to kill the server.
… …
3509 aio_utime $fh, undef, undef; 3465 aio_utime $fh, undef, undef;
3510 3466
3511 close $fh 3467 close $fh
3512 or return; 3468 or return;
3513 3469
3514 aio_rename "$runtime~", $runtime 3470 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3515 and return; 3471 and return;
3516 3472
3517 warn "runtime file written.\n"; 3473 warn "runtime file written.\n";
3518 3474
3519 1 3475 1
… …
3603sub post_cleanup { 3559sub post_cleanup {
3604 my ($make_core) = @_; 3560 my ($make_core) = @_;
3605 3561
3606 warn Carp::longmess "post_cleanup backtrace" 3562 warn Carp::longmess "post_cleanup backtrace"
3607 if $make_core; 3563 if $make_core;
3564
3565 my $fh = pidfile;
3566 unlink $PIDFILE if <$fh> == $$;
3608} 3567}
3609 3568
3610# a safer delete_package, copied from Symbol 3569# a safer delete_package, copied from Symbol
3611sub clear_package($) { 3570sub clear_package($) {
3612 my $pkg = shift; 3571 my $pkg = shift;
… …
3893 $msg =~ s/\n//; 3852 $msg =~ s/\n//;
3894 3853
3895 # limit the # of concurrent backtraces 3854 # limit the # of concurrent backtraces
3896 if ($_log_backtrace < 2) { 3855 if ($_log_backtrace < 2) {
3897 ++$_log_backtrace; 3856 ++$_log_backtrace;
3857 my $perl_bt = Carp::longmess $msg;
3898 async { 3858 async {
3899 $Coro::current->{desc} = "abt $msg"; 3859 $Coro::current->{desc} = "abt $msg";
3900 3860
3901 my @bt = fork_call { 3861 my @bt = fork_call {
3902 @addr = map { sprintf "%x", $_ } @addr; 3862 @addr = map { sprintf "%x", $_ } @addr;
… …
3913 } 3873 }
3914 3874
3915 @funcs 3875 @funcs
3916 }; 3876 };
3917 3877
3918 LOG llevInfo, "[ABT] $msg\n"; 3878 LOG llevInfo, "[ABT] $perl_bt\n";
3879 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3919 LOG llevInfo, "[ABT] $_\n" for @bt; 3880 LOG llevInfo, "[ABT] $_\n" for @bt;
3920 --$_log_backtrace; 3881 --$_log_backtrace;
3921 }; 3882 };
3922 } else { 3883 } else {
3923 LOG llevInfo, "[ABT] $msg\n"; 3884 LOG llevInfo, "[ABT] $msg\n";

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