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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.430 by root, Sun May 4 14:12:37 2008 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC

… …
19# The authors can be reached via e-mail to <support@deliantra.net> 19# The authors can be reached via e-mail to <support@deliantra.net>
20# 20#
21 21
22package cf; 22package cf;
23 23
24use 5.10.0;
24use utf8; 25use utf8;
25use strict; 26use strict "vars", "subs";
26 27
27use Symbol; 28use Symbol;
28use List::Util; 29use List::Util;
29use Socket; 30use Socket;
30use EV 3.2; 31use EV;
31use Opcode; 32use Opcode;
32use Safe; 33use Safe;
33use Safe::Hole; 34use Safe::Hole;
34use Storable (); 35use Storable ();
35 36
36use Coro 4.50 (); 37use Coro ();
37use Coro::State; 38use Coro::State;
38use Coro::Handle; 39use Coro::Handle;
39use Coro::EV; 40use Coro::EV;
41use Coro::AnyEvent;
40use Coro::Timer; 42use Coro::Timer;
41use Coro::Signal; 43use Coro::Signal;
42use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
43use Coro::AIO; 46use Coro::AIO;
44use Coro::BDB; 47use Coro::BDB 1.6;
45use Coro::Storable; 48use Coro::Storable;
46use Coro::Util (); 49use Coro::Util ();
47 50
48use JSON::XS 2.01 (); 51use JSON::XS 2.01 ();
49use BDB (); 52use BDB ();
50use Data::Dumper; 53use Data::Dumper;
51use Digest::MD5; 54use Digest::MD5;
52use Fcntl; 55use Fcntl;
53use YAML (); 56use YAML ();
54use IO::AIO 2.51 (); 57use IO::AIO ();
55use Time::HiRes; 58use Time::HiRes;
56use Compress::LZF; 59use Compress::LZF;
57use Digest::MD5 (); 60use Digest::MD5 ();
61
62AnyEvent::detect;
58 63
59# configure various modules to our taste 64# configure various modules to our taste
60# 65#
61$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
62Coro::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
63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64 68
65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 69$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}
66 87
67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 88sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68 89
69our %COMMAND = (); 90our %COMMAND = ();
70our %COMMAND_TIME = (); 91our %COMMAND_TIME = ();
… …
76our %EXT_MAP = (); # pluggable maps 97our %EXT_MAP = (); # pluggable maps
77 98
78our $RELOAD; # number of reloads so far 99our $RELOAD; # number of reloads so far
79our @EVENT; 100our @EVENT;
80 101
81our $CONFDIR = confdir; 102our $CONFDIR = confdir;
82our $DATADIR = datadir; 103our $DATADIR = datadir;
83our $LIBDIR = "$DATADIR/ext"; 104our $LIBDIR = "$DATADIR/ext";
84our $PODDIR = "$DATADIR/pod"; 105our $PODDIR = "$DATADIR/pod";
85our $MAPDIR = "$DATADIR/" . mapdir; 106our $MAPDIR = "$DATADIR/" . mapdir;
86our $LOCALDIR = localdir; 107our $LOCALDIR = localdir;
87our $TMPDIR = "$LOCALDIR/" . tmpdir; 108our $TMPDIR = "$LOCALDIR/" . tmpdir;
88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 109our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89our $PLAYERDIR = "$LOCALDIR/" . playerdir; 110our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90our $RANDOMDIR = "$LOCALDIR/random"; 111our $RANDOMDIR = "$LOCALDIR/random";
91our $BDBDIR = "$LOCALDIR/db"; 112our $BDBDIR = "$LOCALDIR/db";
113our $PIDFILE = "$LOCALDIR/pid";
114our $RUNTIMEFILE = "$LOCALDIR/runtime";
115
92our %RESOURCE; 116our %RESOURCE;
93 117
94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 118our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95our $AIO_POLL_WATCHER;
96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 119our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97our $NEXT_TICK; 120our $NEXT_TICK;
98our $USE_FSYNC = 1; # use fsync to write maps - default off 121our $USE_FSYNC = 1; # use fsync to write maps - default off
99 122
100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER; 123our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER; 124our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER; 125our $BDB_TRICKLE_WATCHER;
104our $DB_ENV; 126our $DB_ENV;
105 127
… …
123 145
124binmode STDOUT; 146binmode STDOUT;
125binmode STDERR; 147binmode STDERR;
126 148
127# read virtual server time, if available 149# read virtual server time, if available
128unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 150unless ($RUNTIME || !-e $RUNTIMEFILE) {
129 open my $fh, "<", "$LOCALDIR/runtime" 151 open my $fh, "<", $RUNTIMEFILE
130 or die "unable to read runtime file: $!"; 152 or die "unable to read $RUNTIMEFILE file: $!";
131 $RUNTIME = <$fh> + 0.; 153 $RUNTIME = <$fh> + 0.;
132} 154}
133 155
134mkdir $_ 156mkdir $_
135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 157 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
242for my $pkg (qw( 264for my $pkg (qw(
243 cf::global cf::attachable 265 cf::global cf::attachable
244 cf::object cf::object::player 266 cf::object cf::object::player
245 cf::client cf::player 267 cf::client cf::player
246 cf::arch cf::living 268 cf::arch cf::living
269 cf::map cf::mapspace
247 cf::map cf::party cf::region 270 cf::party cf::region
248)) { 271)) {
249 no strict 'refs';
250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 272 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251} 273}
252 274
253$EV::DIED = sub { 275$EV::DIED = sub {
254 warn "error in event callback: @_"; 276 warn "error in event callback: @_";
… …
724 746
725############################################################################# 747#############################################################################
726 748
727=head2 ATTACHABLE OBJECTS 749=head2 ATTACHABLE OBJECTS
728 750
729Many 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
730attach callbacks/event handlers (a collection of which is called an "attachment") 752attach callbacks/event handlers (a collection of which is called an "attachment")
731to it. All such attachable objects support the following methods. 753to it. All such attachable objects support the following methods.
732 754
733In 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>
734C<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
… …
784=item cf::CLASS::attachment $name, ... 806=item cf::CLASS::attachment $name, ...
785 807
786Register an attachment by C<$name> through which attachable objects of the 808Register an attachment by C<$name> through which attachable objects of the
787given CLASS can refer to this attachment. 809given CLASS can refer to this attachment.
788 810
789Some classes such as crossfire maps and objects can specify attachments 811Some classes such as deliantra maps and objects can specify attachments
790that are attached at load/instantiate time, thus the need for a name. 812that are attached at load/instantiate time, thus the need for a name.
791 813
792These calls expect any number of the following handler/hook descriptions: 814These calls expect any number of the following handler/hook descriptions:
793 815
794=over 4 816=over 4
… …
1085 1107
1086sub reattach { 1108sub reattach {
1087 # basically do the same as instantiate, without calling instantiate 1109 # basically do the same as instantiate, without calling instantiate
1088 my ($obj) = @_; 1110 my ($obj) = @_;
1089 1111
1112 # no longer needed after getting rid of delete_package?
1090 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1113 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091 1114
1092 my $registry = $obj->registry; 1115 my $registry = $obj->registry;
1093 1116
1094 @$registry = (); 1117 @$registry = ();
1095 1118
… …
1331 1354
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1355 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1356 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334 1357
1335 $ext{source} = 1358 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n" 1359 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n" 1360 . "#line 1 \"$path\"\n{\n"
1338 . $source 1361 . $source
1339 . "\n};\n1"; 1362 . "\n};\n1";
1340 1363
1341 $todo{$base} = \%ext; 1364 $todo{$base} = \%ext;
… …
1381 1404
1382=back 1405=back
1383 1406
1384=head2 CORE EXTENSIONS 1407=head2 CORE EXTENSIONS
1385 1408
1386Functions and methods that extend core crossfire objects. 1409Functions and methods that extend core deliantra objects.
1387 1410
1388=cut 1411=cut
1389 1412
1390package cf::player; 1413package cf::player;
1391 1414
… …
1519 my ($pl) = @_; 1542 my ($pl) = @_;
1520 1543
1521 my $name = $pl->ob->name; 1544 my $name = $pl->ob->name;
1522 1545
1523 $pl->{deny_save} = 1; 1546 $pl->{deny_save} = 1;
1524 $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
1525 1548
1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1549 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527 $pl->deactivate; 1550 $pl->deactivate;
1551 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1552 $pl->ob->check_score;
1528 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1553 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1529 $pl->ns->destroy if $pl->ns; 1554 $pl->ns->destroy if $pl->ns;
1530 1555
1531 my $path = playerdir $pl; 1556 my $path = playerdir $pl;
1532 my $temp = "$path~$cf::RUNTIME~deleting~"; 1557 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1613 } 1638 }
1614 1639
1615 \@paths 1640 \@paths
1616} 1641}
1617 1642
1618=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1643=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619 1644
1620Expand crossfire pod fragments into protocol xml. 1645Expand deliantra pod fragments into protocol xml.
1621
1622=cut
1623
1624use re 'eval';
1625
1626my $group;
1627my $interior; $interior = qr{
1628 # match a pod interior sequence sans C<< >>
1629 (?:
1630 \ (.*?)\ (?{ $group = $^N })
1631 | < (??{$interior}) >
1632 )
1633}x;
1634
1635sub expand_cfpod {
1636 my ($self, $pod) = @_;
1637
1638 my $xml;
1639
1640 while () {
1641 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1642 $group = $1;
1643
1644 $group =~ s/&/&amp;/g;
1645 $group =~ s/</&lt;/g;
1646
1647 $xml .= $group;
1648 } elsif ($pod =~ m%\G
1649 ([BCGHITU])
1650 <
1651 (?:
1652 ([^<>]*) (?{ $group = $^N })
1653 | < $interior >
1654 )
1655 >
1656 %gcsx
1657 ) {
1658 my ($code, $data) = ($1, $group);
1659
1660 if ($code eq "B") {
1661 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662 } elsif ($code eq "I") {
1663 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664 } elsif ($code eq "U") {
1665 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666 } elsif ($code eq "C") {
1667 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668 } elsif ($code eq "T") {
1669 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670 } elsif ($code eq "G") {
1671 my ($male, $female) = split /\|/, $data;
1672 $data = $self->gender ? $female : $male;
1673 $xml .= expand_cfpod ($self, $data);
1674 } elsif ($code eq "H") {
1675 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677 "")
1678 [$self->{hintmode}];
1679 } else {
1680 $xml .= "error processing '$code($data)' directive";
1681 }
1682 } else {
1683 if ($pod =~ /\G(.+)/) {
1684 warn "parse error while expanding $pod (at $1)";
1685 }
1686 last;
1687 }
1688 }
1689
1690 for ($xml) {
1691 # create single paragraphs (very hackish)
1692 s/(?<=\S)\n(?=\w)/ /g;
1693
1694 # compress some whitespace
1695 s/\s+\n/\n/g; # ws line-ends
1696 s/\n\n+/\n/g; # double lines
1697 s/^\n+//; # beginning lines
1698 s/\n+$//; # ending lines
1699 }
1700
1701 $xml
1702}
1703
1704no re 'eval';
1705
1706sub hintmode {
1707 $_[0]{hintmode} = $_[1] if @_ > 1;
1708 $_[0]{hintmode}
1709}
1710 1646
1711=item $player->ext_reply ($msgid, @msg) 1647=item $player->ext_reply ($msgid, @msg)
1712 1648
1713Sends an ext reply to the player. 1649Sends an ext reply to the player.
1714 1650
… …
2083 my $f = new_from_file cf::object::thawer $self->{load_path}; 2019 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block; 2020 $f->skip_block;
2085 $self->_load_objects ($f) 2021 $self->_load_objects ($f)
2086 or return; 2022 or return;
2087 2023
2088 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2024 $self->post_load_original
2089 if delete $self->{load_original}; 2025 if delete $self->{load_original};
2090 2026
2091 if (my $uniq = $self->uniq_path) { 2027 if (my $uniq = $self->uniq_path) {
2092 utf8::encode $uniq; 2028 utf8::encode $uniq;
2093 unless (aio_stat $uniq) { 2029 unless (aio_stat $uniq) {
… …
2528 2464
2529=item $player_object->enter_link 2465=item $player_object->enter_link
2530 2466
2531Freezes 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}>).
2532 2468
2533The 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.
2534I<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.
2535 2473
2536Will never block. 2474Will never block.
2537 2475
2538=item $player_object->leave_link ($map, $x, $y) 2476=item $player_object->leave_link ($map, $x, $y)
2539 2477
… …
2597 2535
2598 $map->load; 2536 $map->load;
2599 $map->load_neighbours; 2537 $map->load_neighbours;
2600 2538
2601 return unless $self->contr->active; 2539 return unless $self->contr->active;
2540 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2602 $self->activate_recursive; 2541 $self->activate_recursive;
2603 2542
2604 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2543 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605 $self->enter_map ($map, $x, $y); 2544 $self->enter_map ($map, $x, $y);
2606} 2545}
… …
2610Moves the player to the given map-path and coordinates by first freezing 2549Moves the player to the given map-path and coordinates by first freezing
2611her, loading and preparing them map, calling the provided $check callback 2550her, loading and preparing them map, calling the provided $check callback
2612that has to return the map if sucecssful, and then unfreezes the player on 2551that has to return the map if sucecssful, and then unfreezes the player on
2613the new (success) or old (failed) map position. In either case, $done will 2552the new (success) or old (failed) map position. In either case, $done will
2614be called at the end of this process. 2553be called at the end of this process.
2554
2555Note that $check will be called with a potentially non-loaded map, so if
2556it needs a loaded map it has to call C<< ->load >>.
2615 2557
2616=cut 2558=cut
2617 2559
2618our $GOTOGEN; 2560our $GOTOGEN;
2619 2561
… …
2766 $self->contr->savebed ($map, $x, $y) 2708 $self->contr->savebed ($map, $x, $y)
2767 if $exit->flag (cf::FLAG_DAMNED); 2709 if $exit->flag (cf::FLAG_DAMNED);
2768 2710
2769 1 2711 1
2770 }) { 2712 }) {
2771 $self->message ("Something went wrong deep within the crossfire server. " 2713 $self->message ("Something went wrong deep within the deliantra server. "
2772 . "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. "
2773 . "Please report this to the dungeon master!", 2715 . "Please report this to the dungeon master!",
2774 cf::NDI_UNIQUE | cf::NDI_RED); 2716 cf::NDI_UNIQUE | cf::NDI_RED);
2775 2717
2776 warn "ERROR in enter_exit: $@"; 2718 warn "ERROR in enter_exit: $@";
… …
2865); 2807);
2866 2808
2867sub cf::client::send_msg { 2809sub cf::client::send_msg {
2868 my ($self, $channel, $msg, $color, @extra) = @_; 2810 my ($self, $channel, $msg, $color, @extra) = @_;
2869 2811
2870 $msg = $self->pl->expand_cfpod ($msg); 2812 $msg = $self->pl->expand_cfpod ($msg)
2813 unless $color & cf::NDI_VERBATIM;
2871 2814
2872 $color &= cf::NDI_CLIENT_MASK; # just in case... 2815 $color &= cf::NDI_CLIENT_MASK; # just in case...
2873 2816
2874 # check predefined channels, for the benefit of C 2817 # check predefined channels, for the benefit of C
2875 if ($CHANNEL{$channel}) { 2818 if ($CHANNEL{$channel}) {
… …
2896 if ($self->can_msg) { 2839 if ($self->can_msg) {
2897 # default colour, mask it out 2840 # default colour, mask it out
2898 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2841 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2899 if $color & cf::NDI_DEF; 2842 if $color & cf::NDI_DEF;
2900 2843
2901 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2844 my $pkt = "msg "
2845 . $self->{json_coder}->encode (
2902 [$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);
2903 } else { 2860 } else {
2904 if ($color >= 0) { 2861 if ($color >= 0) {
2905 # replace some tags by gcfclient-compatible ones 2862 # replace some tags by gcfclient-compatible ones
2906 for ($msg) { 2863 for ($msg) {
2907 1 while 2864 1 while
… …
3121 3078
3122=cut 3079=cut
3123 3080
3124for ( 3081for (
3125 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3082 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3126 insert remove inv name archname title slaying race 3083 insert remove inv nrof name archname title slaying race
3127 decrease split destroy)], 3084 decrease split destroy change_exp)],
3128 ["cf::object::player" => qw(player)], 3085 ["cf::object::player" => qw(player)],
3129 ["cf::player" => qw(peaceful)], 3086 ["cf::player" => qw(peaceful)],
3130 ["cf::map" => qw(trigger)], 3087 ["cf::map" => qw(trigger)],
3131) { 3088) {
3132 no strict 'refs'; 3089 no strict 'refs';
… …
3393} 3350}
3394 3351
3395sub init { 3352sub init {
3396 my $guard = freeze_mainloop; 3353 my $guard = freeze_mainloop;
3397 3354
3355 evthread_start IO::AIO::poll_fileno;
3356
3398 reload_resources; 3357 reload_resources;
3399} 3358}
3400 3359
3401sub reload_config { 3360sub reload_config {
3402 open my $fh, "<:utf8", "$CONFDIR/config" 3361 open my $fh, "<:utf8", "$CONFDIR/config"
… …
3417 }; 3376 };
3418 warn $@ if $@; 3377 warn $@ if $@;
3419 } 3378 }
3420} 3379}
3421 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
3422sub main { 3400sub main {
3401 atomic;
3402
3423 # we must not ever block the main coroutine 3403 # we must not ever block the main coroutine
3424 local $Coro::idle = sub { 3404 local $Coro::idle = sub {
3425 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#
3426 (async { 3406 (async {
3427 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3407 $Coro::current->{desc} = "IDLE BUG HANDLER";
… …
3434 reload_config; 3414 reload_config;
3435 db_init; 3415 db_init;
3436 load_extensions; 3416 load_extensions;
3437 3417
3438 $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
3439 evthread_start IO::AIO::poll_fileno;
3440 } 3419 }
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};
3441 3425
3442 EV::loop; 3426 EV::loop;
3443} 3427}
3444 3428
3445############################################################################# 3429#############################################################################
… …
3454 }; 3438 };
3455 } 3439 }
3456} 3440}
3457 3441
3458sub write_runtime_sync { 3442sub write_runtime_sync {
3459 my $runtime = "$LOCALDIR/runtime";
3460
3461 # first touch the runtime file to show we are still running: 3443 # first touch the runtime file to show we are still running:
3462 # the fsync below can take a very very long time. 3444 # the fsync below can take a very very long time.
3463 3445
3464 IO::AIO::aio_utime $runtime, undef, undef; 3446 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3465 3447
3466 my $guard = cf::lock_acquire "write_runtime"; 3448 my $guard = cf::lock_acquire "write_runtime";
3467 3449
3468 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3450 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3469 or return; 3451 or return;
3470 3452
3471 my $value = $cf::RUNTIME + 90 + 10; 3453 my $value = $cf::RUNTIME + 90 + 10;
3472 # 10 is the runtime save interval, for a monotonic clock 3454 # 10 is the runtime save interval, for a monotonic clock
3473 # 60 allows for the watchdog to kill the server. 3455 # 60 allows for the watchdog to kill the server.
… …
3483 aio_utime $fh, undef, undef; 3465 aio_utime $fh, undef, undef;
3484 3466
3485 close $fh 3467 close $fh
3486 or return; 3468 or return;
3487 3469
3488 aio_rename "$runtime~", $runtime 3470 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3489 and return; 3471 and return;
3490 3472
3491 warn "runtime file written.\n"; 3473 warn "runtime file written.\n";
3492 3474
3493 1 3475 1
… …
3577sub post_cleanup { 3559sub post_cleanup {
3578 my ($make_core) = @_; 3560 my ($make_core) = @_;
3579 3561
3580 warn Carp::longmess "post_cleanup backtrace" 3562 warn Carp::longmess "post_cleanup backtrace"
3581 if $make_core; 3563 if $make_core;
3564
3565 my $fh = pidfile;
3566 unlink $PIDFILE if <$fh> == $$;
3582} 3567}
3568
3569# a safer delete_package, copied from Symbol
3570sub clear_package($) {
3571 my $pkg = shift;
3572
3573 # expand to full symbol table name if needed
3574 unless ($pkg =~ /^main::.*::$/) {
3575 $pkg = "main$pkg" if $pkg =~ /^::/;
3576 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3577 $pkg .= '::' unless $pkg =~ /::$/;
3578 }
3579
3580 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3581 my $stem_symtab = *{$stem}{HASH};
3582
3583 defined $stem_symtab and exists $stem_symtab->{$leaf}
3584 or return;
3585
3586 # clear all symbols
3587 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3588 for my $name (keys %$leaf_symtab) {
3589 _gv_clear *{"$pkg$name"};
3590# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3591 }
3592 warn "cleared package #$pkg\n";#d#
3593}
3594
3595our $RELOAD; # how many times to reload
3583 3596
3584sub do_reload_perl() { 3597sub do_reload_perl() {
3585 # can/must only be called in main 3598 # can/must only be called in main
3586 if ($Coro::current != $Coro::main) { 3599 if ($Coro::current != $Coro::main) {
3587 warn "can only reload from main coroutine"; 3600 warn "can only reload from main coroutine";
3588 return; 3601 return;
3589 } 3602 }
3590 3603
3604 return if $RELOAD++;
3605
3606 while ($RELOAD) {
3591 warn "reloading..."; 3607 warn "reloading...";
3592 3608
3593 warn "entering sync_job"; 3609 warn "entering sync_job";
3594 3610
3595 cf::sync_job { 3611 cf::sync_job {
3596 cf::write_runtime_sync; # external watchdog should not bark 3612 cf::write_runtime_sync; # external watchdog should not bark
3597 cf::emergency_save; 3613 cf::emergency_save;
3598 cf::write_runtime_sync; # external watchdog should not bark 3614 cf::write_runtime_sync; # external watchdog should not bark
3599 3615
3600 warn "syncing database to disk"; 3616 warn "syncing database to disk";
3601 BDB::db_env_txn_checkpoint $DB_ENV; 3617 BDB::db_env_txn_checkpoint $DB_ENV;
3602 3618
3603 # if anything goes wrong in here, we should simply crash as we already saved 3619 # if anything goes wrong in here, we should simply crash as we already saved
3604 3620
3605 warn "flushing outstanding aio requests"; 3621 warn "flushing outstanding aio requests";
3606 for (;;) {
3607 BDB::flush;
3608 IO::AIO::flush;
3609 Coro::cede_notself;
3610 last unless IO::AIO::nreqs || BDB::nreqs; 3622 while (IO::AIO::nreqs || BDB::nreqs) {
3611 warn "iterate..."; 3623 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3612 }
3613
3614 ++$RELOAD;
3615
3616 warn "cancelling all extension coros";
3617 $_->cancel for values %EXT_CORO;
3618 %EXT_CORO = ();
3619
3620 warn "removing commands";
3621 %COMMAND = ();
3622
3623 warn "removing ext/exti commands";
3624 %EXTCMD = ();
3625 %EXTICMD = ();
3626
3627 warn "unloading/nuking all extensions";
3628 for my $pkg (@EXTS) {
3629 warn "... unloading $pkg";
3630
3631 if (my $cb = $pkg->can ("unload")) {
3632 eval {
3633 $cb->($pkg);
3634 1
3635 } or warn "$pkg unloaded, but with errors: $@";
3636 } 3624 }
3637 3625
3638 warn "... nuking $pkg"; 3626 warn "cancelling all extension coros";
3639 Symbol::delete_package $pkg; 3627 $_->cancel for values %EXT_CORO;
3640 } 3628 %EXT_CORO = ();
3641 3629
3642 warn "unloading all perl modules loaded from $LIBDIR"; 3630 warn "removing commands";
3643 while (my ($k, $v) = each %INC) { 3631 %COMMAND = ();
3644 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3645 3632
3633 warn "removing ext/exti commands";
3634 %EXTCMD = ();
3635 %EXTICMD = ();
3636
3637 warn "unloading/nuking all extensions";
3638 for my $pkg (@EXTS) {
3646 warn "... unloading $k"; 3639 warn "... unloading $pkg";
3647 delete $INC{$k};
3648 3640
3649 $k =~ s/\.pm$//;
3650 $k =~ s/\//::/g;
3651
3652 if (my $cb = $k->can ("unload_module")) { 3641 if (my $cb = $pkg->can ("unload")) {
3642 eval {
3653 $cb->(); 3643 $cb->($pkg);
3644 1
3645 } or warn "$pkg unloaded, but with errors: $@";
3646 }
3647
3648 warn "... clearing $pkg";
3649 clear_package $pkg;
3654 } 3650 }
3655 3651
3656 Symbol::delete_package $k; 3652 warn "unloading all perl modules loaded from $LIBDIR";
3653 while (my ($k, $v) = each %INC) {
3654 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3655
3656 warn "... unloading $k";
3657 delete $INC{$k};
3658
3659 $k =~ s/\.pm$//;
3660 $k =~ s/\//::/g;
3661
3662 if (my $cb = $k->can ("unload_module")) {
3663 $cb->();
3664 }
3665
3666 clear_package $k;
3657 } 3667 }
3658 3668
3659 warn "getting rid of safe::, as good as possible"; 3669 warn "getting rid of safe::, as good as possible";
3660 Symbol::delete_package "safe::$_" 3670 clear_package "safe::$_"
3661 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3671 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3662 3672
3663 warn "unloading cf.pm \"a bit\""; 3673 warn "unloading cf.pm \"a bit\"";
3664 delete $INC{"cf.pm"}; 3674 delete $INC{"cf.pm"};
3665 delete $INC{"cf/pod.pm"}; 3675 delete $INC{"cf/pod.pm"};
3666 3676
3667 # don't, removes xs symbols, too, 3677 # don't, removes xs symbols, too,
3668 # and global variables created in xs 3678 # and global variables created in xs
3669 #Symbol::delete_package __PACKAGE__; 3679 #clear_package __PACKAGE__;
3670 3680
3671 warn "unload completed, starting to reload now"; 3681 warn "unload completed, starting to reload now";
3672 3682
3673 warn "reloading cf.pm"; 3683 warn "reloading cf.pm";
3674 require cf; 3684 require cf;
3675 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3685 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3676 3686
3677 warn "loading config and database again"; 3687 warn "loading config and database again";
3678 cf::reload_config; 3688 cf::reload_config;
3679 3689
3680 warn "loading extensions"; 3690 warn "loading extensions";
3681 cf::load_extensions; 3691 cf::load_extensions;
3682 3692
3683 warn "reattaching attachments to objects/players"; 3693 warn "reattaching attachments to objects/players";
3684 _global_reattach; # objects, sockets 3694 _global_reattach; # objects, sockets
3685 warn "reattaching attachments to maps"; 3695 warn "reattaching attachments to maps";
3686 reattach $_ for values %MAP; 3696 reattach $_ for values %MAP;
3687 warn "reattaching attachments to players"; 3697 warn "reattaching attachments to players";
3688 reattach $_ for values %PLAYER; 3698 reattach $_ for values %PLAYER;
3689 3699
3690 warn "leaving sync_job"; 3700 warn "leaving sync_job";
3691 3701
3692 1 3702 1
3693 } or do { 3703 } or do {
3694 warn $@; 3704 warn $@;
3695 cf::cleanup "error while reloading, exiting."; 3705 cf::cleanup "error while reloading, exiting.";
3696 }; 3706 };
3697 3707
3698 warn "reloaded"; 3708 warn "reloaded";
3709 --$RELOAD;
3710 }
3699}; 3711};
3700 3712
3701our $RELOAD_WATCHER; # used only during reload 3713our $RELOAD_WATCHER; # used only during reload
3702 3714
3703sub reload_perl() { 3715sub reload_perl() {
… …
3785{ 3797{
3786 # configure BDB 3798 # configure BDB
3787 3799
3788 BDB::min_parallel 8; 3800 BDB::min_parallel 8;
3789 BDB::max_poll_reqs $TICK * 0.1; 3801 BDB::max_poll_reqs $TICK * 0.1;
3790 $Coro::BDB::WATCHER->priority (1); 3802 $AnyEvent::BDB::WATCHER->priority (1);
3791 3803
3792 unless ($DB_ENV) { 3804 unless ($DB_ENV) {
3793 $DB_ENV = BDB::db_env_create; 3805 $DB_ENV = BDB::db_env_create;
3794 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3806 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3795 | BDB::LOG_AUTOREMOVE, 1); 3807 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3808 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3796 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3809 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3810 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3798 3811
3799 cf::sync_job { 3812 cf::sync_job {
3800 eval { 3813 eval {
… …
3826{ 3839{
3827 # configure IO::AIO 3840 # configure IO::AIO
3828 3841
3829 IO::AIO::min_parallel 8; 3842 IO::AIO::min_parallel 8;
3830 IO::AIO::max_poll_time $TICK * 0.1; 3843 IO::AIO::max_poll_time $TICK * 0.1;
3831 $Coro::AIO::WATCHER->priority (1); 3844 undef $AnyEvent::AIO::WATCHER;
3832} 3845}
3833 3846
3834my $_log_backtrace; 3847my $_log_backtrace;
3835 3848
3836sub _log_backtrace { 3849sub _log_backtrace {
… …
3839 $msg =~ s/\n//; 3852 $msg =~ s/\n//;
3840 3853
3841 # limit the # of concurrent backtraces 3854 # limit the # of concurrent backtraces
3842 if ($_log_backtrace < 2) { 3855 if ($_log_backtrace < 2) {
3843 ++$_log_backtrace; 3856 ++$_log_backtrace;
3857 my $perl_bt = Carp::longmess $msg;
3844 async { 3858 async {
3845 $Coro::current->{desc} = "abt $msg"; 3859 $Coro::current->{desc} = "abt $msg";
3846 3860
3847 my @bt = fork_call { 3861 my @bt = fork_call {
3848 @addr = map { sprintf "%x", $_ } @addr; 3862 @addr = map { sprintf "%x", $_ } @addr;
… …
3859 } 3873 }
3860 3874
3861 @funcs 3875 @funcs
3862 }; 3876 };
3863 3877
3864 LOG llevInfo, "[ABT] $msg\n"; 3878 LOG llevInfo, "[ABT] $perl_bt\n";
3879 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3865 LOG llevInfo, "[ABT] $_\n" for @bt; 3880 LOG llevInfo, "[ABT] $_\n" for @bt;
3866 --$_log_backtrace; 3881 --$_log_backtrace;
3867 }; 3882 };
3868 } else { 3883 } else {
3869 LOG llevInfo, "[ABT] $msg\n"; 3884 LOG llevInfo, "[ABT] $msg\n";

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