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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.431 by elmex, Sun May 4 19:27:27 2008 UTC vs.
Revision 1.451 by root, Mon Sep 22 05:42:41 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
68
69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71# make sure c-lzf reinitialises itself
72Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 73Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64
65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
66 74
67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 75sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68 76
69our %COMMAND = (); 77our %COMMAND = ();
70our %COMMAND_TIME = (); 78our %COMMAND_TIME = ();
… …
73our %EXTCMD = (); 81our %EXTCMD = ();
74our %EXTICMD = (); 82our %EXTICMD = ();
75our %EXT_CORO = (); # coroutines bound to extensions 83our %EXT_CORO = (); # coroutines bound to extensions
76our %EXT_MAP = (); # pluggable maps 84our %EXT_MAP = (); # pluggable maps
77 85
78our $RELOAD; # number of reloads so far 86our $RELOAD; # number of reloads so far, non-zero while in reload
79our @EVENT; 87our @EVENT;
80 88
81our $CONFDIR = confdir; 89our $CONFDIR = confdir;
82our $DATADIR = datadir; 90our $DATADIR = datadir;
83our $LIBDIR = "$DATADIR/ext"; 91our $LIBDIR = "$DATADIR/ext";
84our $PODDIR = "$DATADIR/pod"; 92our $PODDIR = "$DATADIR/pod";
85our $MAPDIR = "$DATADIR/" . mapdir; 93our $MAPDIR = "$DATADIR/" . mapdir;
86our $LOCALDIR = localdir; 94our $LOCALDIR = localdir;
87our $TMPDIR = "$LOCALDIR/" . tmpdir; 95our $TMPDIR = "$LOCALDIR/" . tmpdir;
88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 96our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89our $PLAYERDIR = "$LOCALDIR/" . playerdir; 97our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90our $RANDOMDIR = "$LOCALDIR/random"; 98our $RANDOMDIR = "$LOCALDIR/random";
91our $BDBDIR = "$LOCALDIR/db"; 99our $BDBDIR = "$LOCALDIR/db";
100our $PIDFILE = "$LOCALDIR/pid";
101our $RUNTIMEFILE = "$LOCALDIR/runtime";
102
92our %RESOURCE; 103our %RESOURCE;
93 104
94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 105our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95our $AIO_POLL_WATCHER;
96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 106our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97our $NEXT_TICK; 107our $NEXT_TICK;
98our $USE_FSYNC = 1; # use fsync to write maps - default off 108our $USE_FSYNC = 1; # use fsync to write maps - default off
99 109
100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER; 110our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER; 111our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER; 112our $BDB_TRICKLE_WATCHER;
104our $DB_ENV; 113our $DB_ENV;
105 114
… …
123 132
124binmode STDOUT; 133binmode STDOUT;
125binmode STDERR; 134binmode STDERR;
126 135
127# read virtual server time, if available 136# read virtual server time, if available
128unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 137unless ($RUNTIME || !-e $RUNTIMEFILE) {
129 open my $fh, "<", "$LOCALDIR/runtime" 138 open my $fh, "<", $RUNTIMEFILE
130 or die "unable to read runtime file: $!"; 139 or die "unable to read $RUNTIMEFILE file: $!";
131 $RUNTIME = <$fh> + 0.; 140 $RUNTIME = <$fh> + 0.;
132} 141}
133 142
134mkdir $_ 143mkdir $_
135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 144 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
242for my $pkg (qw( 251for my $pkg (qw(
243 cf::global cf::attachable 252 cf::global cf::attachable
244 cf::object cf::object::player 253 cf::object cf::object::player
245 cf::client cf::player 254 cf::client cf::player
246 cf::arch cf::living 255 cf::arch cf::living
256 cf::map cf::mapspace
247 cf::map cf::party cf::region 257 cf::party cf::region
248)) { 258)) {
249 no strict 'refs';
250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 259 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251} 260}
252 261
253$EV::DIED = sub { 262$EV::DIED = sub {
254 warn "error in event callback: @_"; 263 warn "error in event callback: @_";
… …
332 return;#d# 341 return;#d#
333 }#d# 342 }#d#
334 343
335 # wait for lock, if any 344 # wait for lock, if any
336 while ($LOCK{$key}) { 345 while ($LOCK{$key}) {
346 #local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
337 push @{ $LOCK{$key} }, $Coro::current; 347 push @{ $LOCK{$key} }, $Coro::current;
338 Coro::schedule; 348 Coro::schedule;
339 } 349 }
340} 350}
341 351
… …
724 734
725############################################################################# 735#############################################################################
726 736
727=head2 ATTACHABLE OBJECTS 737=head2 ATTACHABLE OBJECTS
728 738
729Many objects in crossfire are so-called attachable objects. That means you can 739Many objects in deliantra are so-called attachable objects. That means you can
730attach callbacks/event handlers (a collection of which is called an "attachment") 740attach callbacks/event handlers (a collection of which is called an "attachment")
731to it. All such attachable objects support the following methods. 741to it. All such attachable objects support the following methods.
732 742
733In the following description, CLASS can be any of C<global>, C<object> 743In 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 744C<player>, C<client> or C<map> (i.e. the attachable objects in
… …
784=item cf::CLASS::attachment $name, ... 794=item cf::CLASS::attachment $name, ...
785 795
786Register an attachment by C<$name> through which attachable objects of the 796Register an attachment by C<$name> through which attachable objects of the
787given CLASS can refer to this attachment. 797given CLASS can refer to this attachment.
788 798
789Some classes such as crossfire maps and objects can specify attachments 799Some classes such as deliantra maps and objects can specify attachments
790that are attached at load/instantiate time, thus the need for a name. 800that are attached at load/instantiate time, thus the need for a name.
791 801
792These calls expect any number of the following handler/hook descriptions: 802These calls expect any number of the following handler/hook descriptions:
793 803
794=over 4 804=over 4
… …
1085 1095
1086sub reattach { 1096sub reattach {
1087 # basically do the same as instantiate, without calling instantiate 1097 # basically do the same as instantiate, without calling instantiate
1088 my ($obj) = @_; 1098 my ($obj) = @_;
1089 1099
1100 # no longer needed after getting rid of delete_package?
1090 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1101 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091 1102
1092 my $registry = $obj->registry; 1103 my $registry = $obj->registry;
1093 1104
1094 @$registry = (); 1105 @$registry = ();
1095 1106
… …
1331 1342
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1343 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1344 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334 1345
1335 $ext{source} = 1346 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n" 1347 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n" 1348 . "#line 1 \"$path\"\n{\n"
1338 . $source 1349 . $source
1339 . "\n};\n1"; 1350 . "\n};\n1";
1340 1351
1341 $todo{$base} = \%ext; 1352 $todo{$base} = \%ext;
… …
1381 1392
1382=back 1393=back
1383 1394
1384=head2 CORE EXTENSIONS 1395=head2 CORE EXTENSIONS
1385 1396
1386Functions and methods that extend core crossfire objects. 1397Functions and methods that extend core deliantra objects.
1387 1398
1388=cut 1399=cut
1389 1400
1390package cf::player; 1401package cf::player;
1391 1402
… …
1519 my ($pl) = @_; 1530 my ($pl) = @_;
1520 1531
1521 my $name = $pl->ob->name; 1532 my $name = $pl->ob->name;
1522 1533
1523 $pl->{deny_save} = 1; 1534 $pl->{deny_save} = 1;
1524 $pl->password ("*"); # this should lock out the player until we nuked the dir 1535 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1525 1536
1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1537 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527 $pl->deactivate; 1538 $pl->deactivate;
1539 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1540 $pl->ob->check_score;
1528 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1541 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1529 $pl->ns->destroy if $pl->ns; 1542 $pl->ns->destroy if $pl->ns;
1530 1543
1531 my $path = playerdir $pl; 1544 my $path = playerdir $pl;
1532 my $temp = "$path~$cf::RUNTIME~deleting~"; 1545 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1613 } 1626 }
1614 1627
1615 \@paths 1628 \@paths
1616} 1629}
1617 1630
1618=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1631=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619 1632
1620Expand crossfire pod fragments into protocol xml. 1633Expand 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 1634
1711=item $player->ext_reply ($msgid, @msg) 1635=item $player->ext_reply ($msgid, @msg)
1712 1636
1713Sends an ext reply to the player. 1637Sends an ext reply to the player.
1714 1638
… …
2083 my $f = new_from_file cf::object::thawer $self->{load_path}; 2007 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block; 2008 $f->skip_block;
2085 $self->_load_objects ($f) 2009 $self->_load_objects ($f)
2086 or return; 2010 or return;
2087 2011
2088 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2012 $self->post_load_original
2089 if delete $self->{load_original}; 2013 if delete $self->{load_original};
2090 2014
2091 if (my $uniq = $self->uniq_path) { 2015 if (my $uniq = $self->uniq_path) {
2092 utf8::encode $uniq; 2016 utf8::encode $uniq;
2093 unless (aio_stat $uniq) { 2017 unless (aio_stat $uniq) {
… …
2528 2452
2529=item $player_object->enter_link 2453=item $player_object->enter_link
2530 2454
2531Freezes the player and moves him/her to a special map (C<{link}>). 2455Freezes the player and moves him/her to a special map (C<{link}>).
2532 2456
2533The player should be reasonably safe there for short amounts of time. You 2457The player should be reasonably safe there for short amounts of time (e.g.
2534I<MUST> call C<leave_link> as soon as possible, though. 2458for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2459though, as the palyer cannot control the character while it is on the link
2460map.
2535 2461
2536Will never block. 2462Will never block.
2537 2463
2538=item $player_object->leave_link ($map, $x, $y) 2464=item $player_object->leave_link ($map, $x, $y)
2539 2465
… …
2597 2523
2598 $map->load; 2524 $map->load;
2599 $map->load_neighbours; 2525 $map->load_neighbours;
2600 2526
2601 return unless $self->contr->active; 2527 return unless $self->contr->active;
2528 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2602 $self->activate_recursive; 2529 $self->activate_recursive;
2603 2530
2604 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2531 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605 $self->enter_map ($map, $x, $y); 2532 $self->enter_map ($map, $x, $y);
2606} 2533}
… …
2610Moves the player to the given map-path and coordinates by first freezing 2537Moves the player to the given map-path and coordinates by first freezing
2611her, loading and preparing them map, calling the provided $check callback 2538her, loading and preparing them map, calling the provided $check callback
2612that has to return the map if sucecssful, and then unfreezes the player on 2539that 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 2540the new (success) or old (failed) map position. In either case, $done will
2614be called at the end of this process. 2541be called at the end of this process.
2542
2543Note that $check will be called with a potentially non-loaded map, so if
2544it needs a loaded map it has to call C<< ->load >>.
2615 2545
2616=cut 2546=cut
2617 2547
2618our $GOTOGEN; 2548our $GOTOGEN;
2619 2549
… …
2766 $self->contr->savebed ($map, $x, $y) 2696 $self->contr->savebed ($map, $x, $y)
2767 if $exit->flag (cf::FLAG_DAMNED); 2697 if $exit->flag (cf::FLAG_DAMNED);
2768 2698
2769 1 2699 1
2770 }) { 2700 }) {
2771 $self->message ("Something went wrong deep within the crossfire server. " 2701 $self->message ("Something went wrong deep within the deliantra server. "
2772 . "I'll try to bring you back to the map you were before. " 2702 . "I'll try to bring you back to the map you were before. "
2773 . "Please report this to the dungeon master!", 2703 . "Please report this to the dungeon master!",
2774 cf::NDI_UNIQUE | cf::NDI_RED); 2704 cf::NDI_UNIQUE | cf::NDI_RED);
2775 2705
2776 warn "ERROR in enter_exit: $@"; 2706 warn "ERROR in enter_exit: $@";
… …
2842 id => "infobox", 2772 id => "infobox",
2843 title => "Body Parts", 2773 title => "Body Parts",
2844 reply => undef, 2774 reply => undef,
2845 tooltip => "Shows which body parts you posess and are available", 2775 tooltip => "Shows which body parts you posess and are available",
2846 }, 2776 },
2777 "c/skills" => {
2778 id => "infobox",
2779 title => "Skills",
2780 reply => undef,
2781 tooltip => "Shows your experience per skill and item power",
2782 },
2847 "c/uptime" => { 2783 "c/uptime" => {
2848 id => "infobox", 2784 id => "infobox",
2849 title => "Uptime", 2785 title => "Uptime",
2850 reply => undef, 2786 reply => undef,
2851 tooltip => "How long the server has been running since last restart", 2787 tooltip => "How long the server has been running since last restart",
… …
2865); 2801);
2866 2802
2867sub cf::client::send_msg { 2803sub cf::client::send_msg {
2868 my ($self, $channel, $msg, $color, @extra) = @_; 2804 my ($self, $channel, $msg, $color, @extra) = @_;
2869 2805
2870 $msg = $self->pl->expand_cfpod ($msg); 2806 $msg = $self->pl->expand_cfpod ($msg)
2807 unless $color & cf::NDI_VERBATIM;
2871 2808
2872 $color &= cf::NDI_CLIENT_MASK; # just in case... 2809 $color &= cf::NDI_CLIENT_MASK; # just in case...
2873 2810
2874 # check predefined channels, for the benefit of C 2811 # check predefined channels, for the benefit of C
2875 if ($CHANNEL{$channel}) { 2812 if ($CHANNEL{$channel}) {
… …
2896 if ($self->can_msg) { 2833 if ($self->can_msg) {
2897 # default colour, mask it out 2834 # default colour, mask it out
2898 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2835 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2899 if $color & cf::NDI_DEF; 2836 if $color & cf::NDI_DEF;
2900 2837
2901 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2838 my $pkt = "msg "
2839 . $self->{json_coder}->encode (
2902 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2840 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2841 );
2842
2843 # try lzf for large packets
2844 $pkt = "lzf " . Compress::LZF::compress $pkt
2845 if 1024 <= length $pkt and $self->{can_lzf};
2846
2847 # split very large packets
2848 if (8192 < length $pkt and $self->{can_lzf}) {
2849 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2850 $pkt = "frag";
2851 }
2852
2853 $self->send_packet ($pkt);
2903 } else { 2854 } else {
2904 if ($color >= 0) { 2855 if ($color >= 0) {
2905 # replace some tags by gcfclient-compatible ones 2856 # replace some tags by gcfclient-compatible ones
2906 for ($msg) { 2857 for ($msg) {
2907 1 while 2858 1 while
… …
3122=cut 3073=cut
3123 3074
3124for ( 3075for (
3125 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3076 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3126 insert remove inv nrof name archname title slaying race 3077 insert remove inv nrof name archname title slaying race
3127 decrease split destroy)], 3078 decrease split destroy change_exp)],
3128 ["cf::object::player" => qw(player)], 3079 ["cf::object::player" => qw(player)],
3129 ["cf::player" => qw(peaceful)], 3080 ["cf::player" => qw(peaceful)],
3130 ["cf::map" => qw(trigger)], 3081 ["cf::map" => qw(trigger)],
3131) { 3082) {
3132 no strict 'refs'; 3083 no strict 'refs';
… …
3393} 3344}
3394 3345
3395sub init { 3346sub init {
3396 my $guard = freeze_mainloop; 3347 my $guard = freeze_mainloop;
3397 3348
3349 evthread_start IO::AIO::poll_fileno;
3350
3398 reload_resources; 3351 reload_resources;
3399} 3352}
3400 3353
3401sub reload_config { 3354sub reload_config {
3402 open my $fh, "<:utf8", "$CONFDIR/config" 3355 open my $fh, "<:utf8", "$CONFDIR/config"
… …
3417 }; 3370 };
3418 warn $@ if $@; 3371 warn $@ if $@;
3419 } 3372 }
3420} 3373}
3421 3374
3375sub pidfile() {
3376 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3377 or die "$PIDFILE: $!";
3378 flock $fh, &Fcntl::LOCK_EX
3379 or die "$PIDFILE: flock: $!";
3380 $fh
3381}
3382
3383# make sure only one server instance is running at any one time
3384sub atomic {
3385 my $fh = pidfile;
3386
3387 my $pid = <$fh>;
3388 kill 9, $pid if $pid > 0;
3389
3390 seek $fh, 0, 0;
3391 print $fh $$;
3392}
3393
3422sub main { 3394sub main {
3395 atomic;
3396
3423 # we must not ever block the main coroutine 3397 # we must not ever block the main coroutine
3424 local $Coro::idle = sub { 3398 local $Coro::idle = sub {
3425 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3399 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3426 (async { 3400 (async {
3427 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3401 $Coro::current->{desc} = "IDLE BUG HANDLER";
… …
3434 reload_config; 3408 reload_config;
3435 db_init; 3409 db_init;
3436 load_extensions; 3410 load_extensions;
3437 3411
3438 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3412 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3439 evthread_start IO::AIO::poll_fileno;
3440 } 3413 }
3414
3415 utime time, time, $RUNTIMEFILE;
3416
3417 # no (long-running) fork's whatsoever before this point(!)
3418 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3441 3419
3442 EV::loop; 3420 EV::loop;
3443} 3421}
3444 3422
3445############################################################################# 3423#############################################################################
… …
3454 }; 3432 };
3455 } 3433 }
3456} 3434}
3457 3435
3458sub write_runtime_sync { 3436sub write_runtime_sync {
3459 my $runtime = "$LOCALDIR/runtime";
3460
3461 # first touch the runtime file to show we are still running: 3437 # first touch the runtime file to show we are still running:
3462 # the fsync below can take a very very long time. 3438 # the fsync below can take a very very long time.
3463 3439
3464 IO::AIO::aio_utime $runtime, undef, undef; 3440 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3465 3441
3466 my $guard = cf::lock_acquire "write_runtime"; 3442 my $guard = cf::lock_acquire "write_runtime";
3467 3443
3468 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3444 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3469 or return; 3445 or return;
3470 3446
3471 my $value = $cf::RUNTIME + 90 + 10; 3447 my $value = $cf::RUNTIME + 90 + 10;
3472 # 10 is the runtime save interval, for a monotonic clock 3448 # 10 is the runtime save interval, for a monotonic clock
3473 # 60 allows for the watchdog to kill the server. 3449 # 60 allows for the watchdog to kill the server.
… …
3483 aio_utime $fh, undef, undef; 3459 aio_utime $fh, undef, undef;
3484 3460
3485 close $fh 3461 close $fh
3486 or return; 3462 or return;
3487 3463
3488 aio_rename "$runtime~", $runtime 3464 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3489 and return; 3465 and return;
3490 3466
3491 warn "runtime file written.\n"; 3467 warn "runtime file written.\n";
3492 3468
3493 1 3469 1
… …
3577sub post_cleanup { 3553sub post_cleanup {
3578 my ($make_core) = @_; 3554 my ($make_core) = @_;
3579 3555
3580 warn Carp::longmess "post_cleanup backtrace" 3556 warn Carp::longmess "post_cleanup backtrace"
3581 if $make_core; 3557 if $make_core;
3558
3559 my $fh = pidfile;
3560 unlink $PIDFILE if <$fh> == $$;
3561}
3562
3563# a safer delete_package, copied from Symbol
3564sub clear_package($) {
3565 my $pkg = shift;
3566
3567 # expand to full symbol table name if needed
3568 unless ($pkg =~ /^main::.*::$/) {
3569 $pkg = "main$pkg" if $pkg =~ /^::/;
3570 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3571 $pkg .= '::' unless $pkg =~ /::$/;
3572 }
3573
3574 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3575 my $stem_symtab = *{$stem}{HASH};
3576
3577 defined $stem_symtab and exists $stem_symtab->{$leaf}
3578 or return;
3579
3580 # clear all symbols
3581 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3582 for my $name (keys %$leaf_symtab) {
3583 _gv_clear *{"$pkg$name"};
3584# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3585 }
3586 warn "cleared package $pkg\n";#d#
3582} 3587}
3583 3588
3584sub do_reload_perl() { 3589sub do_reload_perl() {
3585 # can/must only be called in main 3590 # can/must only be called in main
3586 if ($Coro::current != $Coro::main) { 3591 if ($Coro::current != $Coro::main) {
3587 warn "can only reload from main coroutine"; 3592 warn "can only reload from main coroutine";
3588 return; 3593 return;
3589 } 3594 }
3590 3595
3596 return if $RELOAD++;
3597
3598 while ($RELOAD) {
3591 warn "reloading..."; 3599 warn "reloading...";
3592 3600
3593 warn "entering sync_job"; 3601 warn "entering sync_job";
3594 3602
3595 cf::sync_job { 3603 cf::sync_job {
3596 cf::write_runtime_sync; # external watchdog should not bark 3604 cf::write_runtime_sync; # external watchdog should not bark
3597 cf::emergency_save; 3605 cf::emergency_save;
3598 cf::write_runtime_sync; # external watchdog should not bark 3606 cf::write_runtime_sync; # external watchdog should not bark
3599 3607
3600 warn "syncing database to disk"; 3608 warn "syncing database to disk";
3601 BDB::db_env_txn_checkpoint $DB_ENV; 3609 BDB::db_env_txn_checkpoint $DB_ENV;
3602 3610
3603 # if anything goes wrong in here, we should simply crash as we already saved 3611 # if anything goes wrong in here, we should simply crash as we already saved
3604 3612
3605 warn "flushing outstanding aio requests"; 3613 warn "flushing outstanding aio requests";
3606 for (;;) {
3607 BDB::flush;
3608 IO::AIO::flush;
3609 Coro::cede_notself;
3610 last unless IO::AIO::nreqs || BDB::nreqs; 3614 while (IO::AIO::nreqs || BDB::nreqs) {
3611 warn "iterate..."; 3615 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3612 }
3613
3614 ++$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 } 3616 }
3637 3617
3638 warn "... nuking $pkg"; 3618 warn "cancelling all extension coros";
3639 Symbol::delete_package $pkg; 3619 $_->cancel for values %EXT_CORO;
3640 } 3620 %EXT_CORO = ();
3641 3621
3642 warn "unloading all perl modules loaded from $LIBDIR"; 3622 warn "removing commands";
3643 while (my ($k, $v) = each %INC) { 3623 %COMMAND = ();
3644 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3645 3624
3625 warn "removing ext/exti commands";
3626 %EXTCMD = ();
3627 %EXTICMD = ();
3628
3629 warn "unloading/nuking all extensions";
3630 for my $pkg (@EXTS) {
3646 warn "... unloading $k"; 3631 warn "... unloading $pkg";
3647 delete $INC{$k};
3648 3632
3649 $k =~ s/\.pm$//;
3650 $k =~ s/\//::/g;
3651
3652 if (my $cb = $k->can ("unload_module")) { 3633 if (my $cb = $pkg->can ("unload")) {
3634 eval {
3653 $cb->(); 3635 $cb->($pkg);
3636 1
3637 } or warn "$pkg unloaded, but with errors: $@";
3638 }
3639
3640 warn "... clearing $pkg";
3641 clear_package $pkg;
3654 } 3642 }
3655 3643
3656 Symbol::delete_package $k; 3644 warn "unloading all perl modules loaded from $LIBDIR";
3645 while (my ($k, $v) = each %INC) {
3646 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3647
3648 warn "... unloading $k";
3649 delete $INC{$k};
3650
3651 $k =~ s/\.pm$//;
3652 $k =~ s/\//::/g;
3653
3654 if (my $cb = $k->can ("unload_module")) {
3655 $cb->();
3656 }
3657
3658 clear_package $k;
3657 } 3659 }
3658 3660
3659 warn "getting rid of safe::, as good as possible"; 3661 warn "getting rid of safe::, as good as possible";
3660 Symbol::delete_package "safe::$_" 3662 clear_package "safe::$_"
3661 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3663 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3662 3664
3663 warn "unloading cf.pm \"a bit\""; 3665 warn "unloading cf.pm \"a bit\"";
3664 delete $INC{"cf.pm"}; 3666 delete $INC{"cf.pm"};
3665 delete $INC{"cf/pod.pm"}; 3667 delete $INC{"cf/pod.pm"};
3666 3668
3667 # don't, removes xs symbols, too, 3669 # don't, removes xs symbols, too,
3668 # and global variables created in xs 3670 # and global variables created in xs
3669 #Symbol::delete_package __PACKAGE__; 3671 #clear_package __PACKAGE__;
3670 3672
3671 warn "unload completed, starting to reload now"; 3673 warn "unload completed, starting to reload now";
3672 3674
3673 warn "reloading cf.pm"; 3675 warn "reloading cf.pm";
3674 require cf; 3676 require cf;
3675 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3677 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3676 3678
3677 warn "loading config and database again"; 3679 warn "loading config and database again";
3678 cf::reload_config; 3680 cf::reload_config;
3679 3681
3680 warn "loading extensions"; 3682 warn "loading extensions";
3681 cf::load_extensions; 3683 cf::load_extensions;
3682 3684
3683 warn "reattaching attachments to objects/players"; 3685 warn "reattaching attachments to objects/players";
3684 _global_reattach; # objects, sockets 3686 _global_reattach; # objects, sockets
3685 warn "reattaching attachments to maps"; 3687 warn "reattaching attachments to maps";
3686 reattach $_ for values %MAP; 3688 reattach $_ for values %MAP;
3687 warn "reattaching attachments to players"; 3689 warn "reattaching attachments to players";
3688 reattach $_ for values %PLAYER; 3690 reattach $_ for values %PLAYER;
3689 3691
3690 warn "leaving sync_job"; 3692 warn "leaving sync_job";
3691 3693
3692 1 3694 1
3693 } or do { 3695 } or do {
3694 warn $@; 3696 warn $@;
3695 cf::cleanup "error while reloading, exiting."; 3697 cf::cleanup "error while reloading, exiting.";
3696 }; 3698 };
3697 3699
3698 warn "reloaded"; 3700 warn "reloaded";
3701 --$RELOAD;
3702 }
3699}; 3703};
3700 3704
3701our $RELOAD_WATCHER; # used only during reload 3705our $RELOAD_WATCHER; # used only during reload
3702 3706
3703sub reload_perl() { 3707sub reload_perl() {
3704 # doing reload synchronously and two reloads happen back-to-back, 3708 # doing reload synchronously and two reloads happen back-to-back,
3705 # coro crashes during coro_state_free->destroy here. 3709 # coro crashes during coro_state_free->destroy here.
3706 3710
3707 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3711 $RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3708 do_reload_perl; 3712 do_reload_perl;
3709 undef $RELOAD_WATCHER; 3713 undef $RELOAD_WATCHER;
3710 }; 3714 };
3711} 3715}
3712 3716
… …
3785{ 3789{
3786 # configure BDB 3790 # configure BDB
3787 3791
3788 BDB::min_parallel 8; 3792 BDB::min_parallel 8;
3789 BDB::max_poll_reqs $TICK * 0.1; 3793 BDB::max_poll_reqs $TICK * 0.1;
3790 $Coro::BDB::WATCHER->priority (1); 3794 $AnyEvent::BDB::WATCHER->priority (1);
3791 3795
3792 unless ($DB_ENV) { 3796 unless ($DB_ENV) {
3793 $DB_ENV = BDB::db_env_create; 3797 $DB_ENV = BDB::db_env_create;
3794 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3795 | BDB::LOG_AUTOREMOVE, 1); 3799 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3800 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3796 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3801 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3802 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3798 3803
3799 cf::sync_job { 3804 cf::sync_job {
3800 eval { 3805 eval {
… …
3826{ 3831{
3827 # configure IO::AIO 3832 # configure IO::AIO
3828 3833
3829 IO::AIO::min_parallel 8; 3834 IO::AIO::min_parallel 8;
3830 IO::AIO::max_poll_time $TICK * 0.1; 3835 IO::AIO::max_poll_time $TICK * 0.1;
3831 $Coro::AIO::WATCHER->priority (1); 3836 undef $AnyEvent::AIO::WATCHER;
3832} 3837}
3833 3838
3834my $_log_backtrace; 3839my $_log_backtrace;
3835 3840
3836sub _log_backtrace { 3841sub _log_backtrace {
… …
3839 $msg =~ s/\n//; 3844 $msg =~ s/\n//;
3840 3845
3841 # limit the # of concurrent backtraces 3846 # limit the # of concurrent backtraces
3842 if ($_log_backtrace < 2) { 3847 if ($_log_backtrace < 2) {
3843 ++$_log_backtrace; 3848 ++$_log_backtrace;
3849 my $perl_bt = Carp::longmess $msg;
3844 async { 3850 async {
3845 $Coro::current->{desc} = "abt $msg"; 3851 $Coro::current->{desc} = "abt $msg";
3846 3852
3847 my @bt = fork_call { 3853 my @bt = fork_call {
3848 @addr = map { sprintf "%x", $_ } @addr; 3854 @addr = map { sprintf "%x", $_ } @addr;
… …
3859 } 3865 }
3860 3866
3861 @funcs 3867 @funcs
3862 }; 3868 };
3863 3869
3864 LOG llevInfo, "[ABT] $msg\n"; 3870 LOG llevInfo, "[ABT] $perl_bt\n";
3871 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3865 LOG llevInfo, "[ABT] $_\n" for @bt; 3872 LOG llevInfo, "[ABT] $_\n" for @bt;
3866 --$_log_backtrace; 3873 --$_log_backtrace;
3867 }; 3874 };
3868 } else { 3875 } else {
3869 LOG llevInfo, "[ABT] $msg\n"; 3876 LOG llevInfo, "[ABT] $msg\n";

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