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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 1.455 by root, Sat Sep 27 08:17:40 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
… …
119our $LOAD; # a number between 0 (idle) and 1 (too many objects) 128our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing 129our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter 130our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes 131our $TICK_START; # for load detecting purposes
123 132
133our @POST_INIT;
134
124binmode STDOUT; 135binmode STDOUT;
125binmode STDERR; 136binmode STDERR;
126 137
127# read virtual server time, if available 138# read virtual server time, if available
128unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 139unless ($RUNTIME || !-e $RUNTIMEFILE) {
129 open my $fh, "<", "$LOCALDIR/runtime" 140 open my $fh, "<", $RUNTIMEFILE
130 or die "unable to read runtime file: $!"; 141 or die "unable to read $RUNTIMEFILE file: $!";
131 $RUNTIME = <$fh> + 0.; 142 $RUNTIME = <$fh> + 0.;
132} 143}
133 144
134mkdir $_ 145mkdir $_
135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 146 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
242for my $pkg (qw( 253for my $pkg (qw(
243 cf::global cf::attachable 254 cf::global cf::attachable
244 cf::object cf::object::player 255 cf::object cf::object::player
245 cf::client cf::player 256 cf::client cf::player
246 cf::arch cf::living 257 cf::arch cf::living
258 cf::map cf::mapspace
247 cf::map cf::party cf::region 259 cf::party cf::region
248)) { 260)) {
249 no strict 'refs';
250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 261 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251} 262}
252 263
253$EV::DIED = sub { 264$EV::DIED = sub {
254 warn "error in event callback: @_"; 265 warn "error in event callback: @_";
… …
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 307our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297 308
298sub encode_json($) { $json_coder->encode ($_[0]) } 309sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) } 310sub decode_json($) { $json_coder->decode ($_[0]) }
300 311
312=item cf::post_init { BLOCK }
313
314Execute the given codeblock, I<after> all extensions have been (re-)loaded,
315but I<before> the server starts ticking again.
316
317The cdoeblock will have a single boolean argument to indicate whether this
318is a reload or not.
319
320=cut
321
322sub post_init(&) {
323 push @POST_INIT, shift;
324}
325
301=item cf::lock_wait $string 326=item cf::lock_wait $string
302 327
303Wait until the given lock is available. See cf::lock_acquire. 328Wait until the given lock is available. See cf::lock_acquire.
304 329
305=item my $lock = cf::lock_acquire $string 330=item my $lock = cf::lock_acquire $string
… …
332 return;#d# 357 return;#d#
333 }#d# 358 }#d#
334 359
335 # wait for lock, if any 360 # wait for lock, if any
336 while ($LOCK{$key}) { 361 while ($LOCK{$key}) {
362 #local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
337 push @{ $LOCK{$key} }, $Coro::current; 363 push @{ $LOCK{$key} }, $Coro::current;
338 Coro::schedule; 364 Coro::schedule;
339 } 365 }
340} 366}
341 367
… …
724 750
725############################################################################# 751#############################################################################
726 752
727=head2 ATTACHABLE OBJECTS 753=head2 ATTACHABLE OBJECTS
728 754
729Many objects in crossfire are so-called attachable objects. That means you can 755Many objects in deliantra are so-called attachable objects. That means you can
730attach callbacks/event handlers (a collection of which is called an "attachment") 756attach callbacks/event handlers (a collection of which is called an "attachment")
731to it. All such attachable objects support the following methods. 757to it. All such attachable objects support the following methods.
732 758
733In the following description, CLASS can be any of C<global>, C<object> 759In 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 760C<player>, C<client> or C<map> (i.e. the attachable objects in
… …
784=item cf::CLASS::attachment $name, ... 810=item cf::CLASS::attachment $name, ...
785 811
786Register an attachment by C<$name> through which attachable objects of the 812Register an attachment by C<$name> through which attachable objects of the
787given CLASS can refer to this attachment. 813given CLASS can refer to this attachment.
788 814
789Some classes such as crossfire maps and objects can specify attachments 815Some classes such as deliantra maps and objects can specify attachments
790that are attached at load/instantiate time, thus the need for a name. 816that are attached at load/instantiate time, thus the need for a name.
791 817
792These calls expect any number of the following handler/hook descriptions: 818These calls expect any number of the following handler/hook descriptions:
793 819
794=over 4 820=over 4
… …
1085 1111
1086sub reattach { 1112sub reattach {
1087 # basically do the same as instantiate, without calling instantiate 1113 # basically do the same as instantiate, without calling instantiate
1088 my ($obj) = @_; 1114 my ($obj) = @_;
1089 1115
1116 # no longer needed after getting rid of delete_package?
1090 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1117 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091 1118
1092 my $registry = $obj->registry; 1119 my $registry = $obj->registry;
1093 1120
1094 @$registry = (); 1121 @$registry = ();
1095 1122
… …
1331 1358
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1359 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1360 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334 1361
1335 $ext{source} = 1362 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n" 1363 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n" 1364 . "#line 1 \"$path\"\n{\n"
1338 . $source 1365 . $source
1339 . "\n};\n1"; 1366 . "\n};\n1";
1340 1367
1341 $todo{$base} = \%ext; 1368 $todo{$base} = \%ext;
… …
1381 1408
1382=back 1409=back
1383 1410
1384=head2 CORE EXTENSIONS 1411=head2 CORE EXTENSIONS
1385 1412
1386Functions and methods that extend core crossfire objects. 1413Functions and methods that extend core deliantra objects.
1387 1414
1388=cut 1415=cut
1389 1416
1390package cf::player; 1417package cf::player;
1391 1418
… …
1434 1461
1435sub exists($) { 1462sub exists($) {
1436 my ($login) = @_; 1463 my ($login) = @_;
1437 1464
1438 $cf::PLAYER{$login} 1465 $cf::PLAYER{$login}
1439 or cf::sync_job { !aio_stat path $login } 1466 or !aio_stat path $login
1440} 1467}
1441 1468
1442sub find($) { 1469sub find($) {
1443 return $cf::PLAYER{$_[0]} || do { 1470 return $cf::PLAYER{$_[0]} || do {
1444 my $login = $_[0]; 1471 my $login = $_[0];
… …
1519 my ($pl) = @_; 1546 my ($pl) = @_;
1520 1547
1521 my $name = $pl->ob->name; 1548 my $name = $pl->ob->name;
1522 1549
1523 $pl->{deny_save} = 1; 1550 $pl->{deny_save} = 1;
1524 $pl->password ("*"); # this should lock out the player until we nuked the dir 1551 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1525 1552
1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1553 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527 $pl->deactivate; 1554 $pl->deactivate;
1555 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1556 $pl->ob->check_score;
1528 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1557 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1529 $pl->ns->destroy if $pl->ns; 1558 $pl->ns->destroy if $pl->ns;
1530 1559
1531 my $path = playerdir $pl; 1560 my $path = playerdir $pl;
1532 my $temp = "$path~$cf::RUNTIME~deleting~"; 1561 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1613 } 1642 }
1614 1643
1615 \@paths 1644 \@paths
1616} 1645}
1617 1646
1618=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1647=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619 1648
1620Expand crossfire pod fragments into protocol xml. 1649Expand 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 1650
1711=item $player->ext_reply ($msgid, @msg) 1651=item $player->ext_reply ($msgid, @msg)
1712 1652
1713Sends an ext reply to the player. 1653Sends an ext reply to the player.
1714 1654
… …
2083 my $f = new_from_file cf::object::thawer $self->{load_path}; 2023 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block; 2024 $f->skip_block;
2085 $self->_load_objects ($f) 2025 $self->_load_objects ($f)
2086 or return; 2026 or return;
2087 2027
2088 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2028 $self->post_load_original
2089 if delete $self->{load_original}; 2029 if delete $self->{load_original};
2090 2030
2091 if (my $uniq = $self->uniq_path) { 2031 if (my $uniq = $self->uniq_path) {
2092 utf8::encode $uniq; 2032 utf8::encode $uniq;
2093 unless (aio_stat $uniq) { 2033 unless (aio_stat $uniq) {
… …
2528 2468
2529=item $player_object->enter_link 2469=item $player_object->enter_link
2530 2470
2531Freezes the player and moves him/her to a special map (C<{link}>). 2471Freezes the player and moves him/her to a special map (C<{link}>).
2532 2472
2533The player should be reasonably safe there for short amounts of time. You 2473The player should be reasonably safe there for short amounts of time (e.g.
2534I<MUST> call C<leave_link> as soon as possible, though. 2474for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2475though, as the palyer cannot control the character while it is on the link
2476map.
2535 2477
2536Will never block. 2478Will never block.
2537 2479
2538=item $player_object->leave_link ($map, $x, $y) 2480=item $player_object->leave_link ($map, $x, $y)
2539 2481
… …
2597 2539
2598 $map->load; 2540 $map->load;
2599 $map->load_neighbours; 2541 $map->load_neighbours;
2600 2542
2601 return unless $self->contr->active; 2543 return unless $self->contr->active;
2544 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2602 $self->activate_recursive; 2545 $self->activate_recursive;
2603 2546
2604 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2547 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605 $self->enter_map ($map, $x, $y); 2548 $self->enter_map ($map, $x, $y);
2606} 2549}
… …
2610Moves the player to the given map-path and coordinates by first freezing 2553Moves the player to the given map-path and coordinates by first freezing
2611her, loading and preparing them map, calling the provided $check callback 2554her, loading and preparing them map, calling the provided $check callback
2612that has to return the map if sucecssful, and then unfreezes the player on 2555that 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 2556the new (success) or old (failed) map position. In either case, $done will
2614be called at the end of this process. 2557be called at the end of this process.
2558
2559Note that $check will be called with a potentially non-loaded map, so if
2560it needs a loaded map it has to call C<< ->load >>.
2615 2561
2616=cut 2562=cut
2617 2563
2618our $GOTOGEN; 2564our $GOTOGEN;
2619 2565
… …
2766 $self->contr->savebed ($map, $x, $y) 2712 $self->contr->savebed ($map, $x, $y)
2767 if $exit->flag (cf::FLAG_DAMNED); 2713 if $exit->flag (cf::FLAG_DAMNED);
2768 2714
2769 1 2715 1
2770 }) { 2716 }) {
2771 $self->message ("Something went wrong deep within the crossfire server. " 2717 $self->message ("Something went wrong deep within the deliantra server. "
2772 . "I'll try to bring you back to the map you were before. " 2718 . "I'll try to bring you back to the map you were before. "
2773 . "Please report this to the dungeon master!", 2719 . "Please report this to the dungeon master!",
2774 cf::NDI_UNIQUE | cf::NDI_RED); 2720 cf::NDI_UNIQUE | cf::NDI_RED);
2775 2721
2776 warn "ERROR in enter_exit: $@"; 2722 warn "ERROR in enter_exit: $@";
… …
2842 id => "infobox", 2788 id => "infobox",
2843 title => "Body Parts", 2789 title => "Body Parts",
2844 reply => undef, 2790 reply => undef,
2845 tooltip => "Shows which body parts you posess and are available", 2791 tooltip => "Shows which body parts you posess and are available",
2846 }, 2792 },
2793 "c/skills" => {
2794 id => "infobox",
2795 title => "Skills",
2796 reply => undef,
2797 tooltip => "Shows your experience per skill and item power",
2798 },
2847 "c/uptime" => { 2799 "c/uptime" => {
2848 id => "infobox", 2800 id => "infobox",
2849 title => "Uptime", 2801 title => "Uptime",
2850 reply => undef, 2802 reply => undef,
2851 tooltip => "How long the server has been running since last restart", 2803 tooltip => "How long the server has been running since last restart",
… …
2865); 2817);
2866 2818
2867sub cf::client::send_msg { 2819sub cf::client::send_msg {
2868 my ($self, $channel, $msg, $color, @extra) = @_; 2820 my ($self, $channel, $msg, $color, @extra) = @_;
2869 2821
2870 $msg = $self->pl->expand_cfpod ($msg); 2822 $msg = $self->pl->expand_cfpod ($msg)
2823 unless $color & cf::NDI_VERBATIM;
2871 2824
2872 $color &= cf::NDI_CLIENT_MASK; # just in case... 2825 $color &= cf::NDI_CLIENT_MASK; # just in case...
2873 2826
2874 # check predefined channels, for the benefit of C 2827 # check predefined channels, for the benefit of C
2875 if ($CHANNEL{$channel}) { 2828 if ($CHANNEL{$channel}) {
… …
2896 if ($self->can_msg) { 2849 if ($self->can_msg) {
2897 # default colour, mask it out 2850 # default colour, mask it out
2898 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2851 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2899 if $color & cf::NDI_DEF; 2852 if $color & cf::NDI_DEF;
2900 2853
2901 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2854 my $pkt = "msg "
2855 . $self->{json_coder}->encode (
2902 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2856 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2857 );
2858
2859 # try lzf for large packets
2860 $pkt = "lzf " . Compress::LZF::compress $pkt
2861 if 1024 <= length $pkt and $self->{can_lzf};
2862
2863 # split very large packets
2864 if (8192 < length $pkt and $self->{can_lzf}) {
2865 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2866 $pkt = "frag";
2867 }
2868
2869 $self->send_packet ($pkt);
2903 } else { 2870 } else {
2904 if ($color >= 0) { 2871 if ($color >= 0) {
2905 # replace some tags by gcfclient-compatible ones 2872 # replace some tags by gcfclient-compatible ones
2906 for ($msg) { 2873 for ($msg) {
2907 1 while 2874 1 while
… …
3122=cut 3089=cut
3123 3090
3124for ( 3091for (
3125 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3092 ["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 3093 insert remove inv nrof name archname title slaying race
3127 decrease split destroy)], 3094 decrease split destroy change_exp)],
3128 ["cf::object::player" => qw(player)], 3095 ["cf::object::player" => qw(player)],
3129 ["cf::player" => qw(peaceful)], 3096 ["cf::player" => qw(peaceful)],
3130 ["cf::map" => qw(trigger)], 3097 ["cf::map" => qw(trigger)],
3131) { 3098) {
3132 no strict 'refs'; 3099 no strict 'refs';
… …
3390 reload_treasures; 3357 reload_treasures;
3391 3358
3392 warn "finished reloading resource files\n"; 3359 warn "finished reloading resource files\n";
3393} 3360}
3394 3361
3395sub init {
3396 my $guard = freeze_mainloop;
3397
3398 reload_resources;
3399}
3400
3401sub reload_config { 3362sub reload_config {
3402 open my $fh, "<:utf8", "$CONFDIR/config" 3363 open my $fh, "<:utf8", "$CONFDIR/config"
3403 or return; 3364 or return;
3404 3365
3405 local $/; 3366 local $/;
… …
3417 }; 3378 };
3418 warn $@ if $@; 3379 warn $@ if $@;
3419 } 3380 }
3420} 3381}
3421 3382
3383sub pidfile() {
3384 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3385 or die "$PIDFILE: $!";
3386 flock $fh, &Fcntl::LOCK_EX
3387 or die "$PIDFILE: flock: $!";
3388 $fh
3389}
3390
3391# make sure only one server instance is running at any one time
3392sub atomic {
3393 my $fh = pidfile;
3394
3395 my $pid = <$fh>;
3396 kill 9, $pid if $pid > 0;
3397
3398 seek $fh, 0, 0;
3399 print $fh $$;
3400}
3401
3422sub main { 3402sub main {
3403 cf::init_globals; # initialise logging
3404
3405 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3406 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3407 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3408 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3409
3410 cf::init_experience;
3411 cf::init_anim;
3412 cf::init_attackmess;
3413 cf::init_dynamic;
3414 cf::init_block;
3415
3416 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3417
3423 # we must not ever block the main coroutine 3418 # we must not ever block the main coroutine
3424 local $Coro::idle = sub { 3419 local $Coro::idle = sub {
3425 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3420 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3426 (async { 3421 (async {
3427 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3422 $Coro::current->{desc} = "IDLE BUG HANDLER";
3428 EV::loop EV::LOOP_ONESHOT; 3423 EV::loop EV::LOOP_ONESHOT;
3429 })->prio (Coro::PRIO_MAX); 3424 })->prio (Coro::PRIO_MAX);
3430 }; 3425 };
3431 3426
3432 { 3427 evthread_start IO::AIO::poll_fileno;
3433 my $guard = freeze_mainloop; 3428
3429 cf::sync_job {
3430 reload_resources;
3434 reload_config; 3431 reload_config;
3435 db_init; 3432 db_init;
3433
3434 cf::load_settings;
3435 cf::load_materials;
3436 cf::init_uuid;
3437 cf::init_signals;
3438 cf::init_commands;
3439 cf::init_skills;
3440
3441 cf::init_beforeplay;
3442
3443 atomic;
3444
3436 load_extensions; 3445 load_extensions;
3437 3446
3438 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3447 utime time, time, $RUNTIMEFILE;
3439 evthread_start IO::AIO::poll_fileno; 3448
3449 # no (long-running) fork's whatsoever before this point(!)
3450 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3451
3452 (pop @POST_INIT)->(0) while @POST_INIT;
3440 } 3453 };
3441 3454
3442 EV::loop; 3455 EV::loop;
3443} 3456}
3444 3457
3445############################################################################# 3458#############################################################################
… …
3454 }; 3467 };
3455 } 3468 }
3456} 3469}
3457 3470
3458sub write_runtime_sync { 3471sub write_runtime_sync {
3459 my $runtime = "$LOCALDIR/runtime";
3460
3461 # first touch the runtime file to show we are still running: 3472 # first touch the runtime file to show we are still running:
3462 # the fsync below can take a very very long time. 3473 # the fsync below can take a very very long time.
3463 3474
3464 IO::AIO::aio_utime $runtime, undef, undef; 3475 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3465 3476
3466 my $guard = cf::lock_acquire "write_runtime"; 3477 my $guard = cf::lock_acquire "write_runtime";
3467 3478
3468 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3479 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3469 or return; 3480 or return;
3470 3481
3471 my $value = $cf::RUNTIME + 90 + 10; 3482 my $value = $cf::RUNTIME + 90 + 10;
3472 # 10 is the runtime save interval, for a monotonic clock 3483 # 10 is the runtime save interval, for a monotonic clock
3473 # 60 allows for the watchdog to kill the server. 3484 # 60 allows for the watchdog to kill the server.
… …
3483 aio_utime $fh, undef, undef; 3494 aio_utime $fh, undef, undef;
3484 3495
3485 close $fh 3496 close $fh
3486 or return; 3497 or return;
3487 3498
3488 aio_rename "$runtime~", $runtime 3499 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3489 and return; 3500 and return;
3490 3501
3491 warn "runtime file written.\n"; 3502 warn "runtime file written.\n";
3492 3503
3493 1 3504 1
… …
3505 my $uuid = "$LOCALDIR/uuid"; 3516 my $uuid = "$LOCALDIR/uuid";
3506 3517
3507 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3518 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3508 or return; 3519 or return;
3509 3520
3510 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3521 my $value = uuid_seq uuid_cur;
3522
3523 unless ($value) {
3524 warn "cowardly refusing to write zero uuid value!\n";
3525 return;
3526 }
3527
3528 my $value = uuid_str $value + $uuid_skip;
3511 $uuid_skip = 0; 3529 $uuid_skip = 0;
3512 3530
3513 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3531 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3514 and return; 3532 and return;
3515 3533
… …
3577sub post_cleanup { 3595sub post_cleanup {
3578 my ($make_core) = @_; 3596 my ($make_core) = @_;
3579 3597
3580 warn Carp::longmess "post_cleanup backtrace" 3598 warn Carp::longmess "post_cleanup backtrace"
3581 if $make_core; 3599 if $make_core;
3600
3601 my $fh = pidfile;
3602 unlink $PIDFILE if <$fh> == $$;
3603}
3604
3605# a safer delete_package, copied from Symbol
3606sub clear_package($) {
3607 my $pkg = shift;
3608
3609 # expand to full symbol table name if needed
3610 unless ($pkg =~ /^main::.*::$/) {
3611 $pkg = "main$pkg" if $pkg =~ /^::/;
3612 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3613 $pkg .= '::' unless $pkg =~ /::$/;
3614 }
3615
3616 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3617 my $stem_symtab = *{$stem}{HASH};
3618
3619 defined $stem_symtab and exists $stem_symtab->{$leaf}
3620 or return;
3621
3622 # clear all symbols
3623 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3624 for my $name (keys %$leaf_symtab) {
3625 _gv_clear *{"$pkg$name"};
3626# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3627 }
3628 warn "cleared package $pkg\n";#d#
3582} 3629}
3583 3630
3584sub do_reload_perl() { 3631sub do_reload_perl() {
3585 # can/must only be called in main 3632 # can/must only be called in main
3586 if ($Coro::current != $Coro::main) { 3633 if ($Coro::current != $Coro::main) {
3587 warn "can only reload from main coroutine"; 3634 warn "can only reload from main coroutine";
3588 return; 3635 return;
3589 } 3636 }
3590 3637
3638 return if $RELOAD++;
3639
3640 while ($RELOAD) {
3591 warn "reloading..."; 3641 warn "reloading...";
3592 3642
3593 warn "entering sync_job"; 3643 warn "entering sync_job";
3594 3644
3595 cf::sync_job { 3645 cf::sync_job {
3596 cf::write_runtime_sync; # external watchdog should not bark 3646 cf::write_runtime_sync; # external watchdog should not bark
3597 cf::emergency_save; 3647 cf::emergency_save;
3598 cf::write_runtime_sync; # external watchdog should not bark 3648 cf::write_runtime_sync; # external watchdog should not bark
3599 3649
3600 warn "syncing database to disk"; 3650 warn "syncing database to disk";
3601 BDB::db_env_txn_checkpoint $DB_ENV; 3651 BDB::db_env_txn_checkpoint $DB_ENV;
3602 3652
3603 # if anything goes wrong in here, we should simply crash as we already saved 3653 # if anything goes wrong in here, we should simply crash as we already saved
3604 3654
3605 warn "flushing outstanding aio requests"; 3655 warn "flushing outstanding aio requests";
3606 for (;;) {
3607 BDB::flush;
3608 IO::AIO::flush;
3609 Coro::cede_notself;
3610 last unless IO::AIO::nreqs || BDB::nreqs; 3656 while (IO::AIO::nreqs || BDB::nreqs) {
3611 warn "iterate..."; 3657 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3612 }
3613
3614 ++$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 } 3658 }
3637 3659
3638 warn "... nuking $pkg"; 3660 warn "cancelling all extension coros";
3639 Symbol::delete_package $pkg; 3661 $_->cancel for values %EXT_CORO;
3640 } 3662 %EXT_CORO = ();
3641 3663
3642 warn "unloading all perl modules loaded from $LIBDIR"; 3664 warn "removing commands";
3643 while (my ($k, $v) = each %INC) { 3665 %COMMAND = ();
3644 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3645 3666
3667 warn "removing ext/exti commands";
3668 %EXTCMD = ();
3669 %EXTICMD = ();
3670
3671 warn "unloading/nuking all extensions";
3672 for my $pkg (@EXTS) {
3646 warn "... unloading $k"; 3673 warn "... unloading $pkg";
3647 delete $INC{$k};
3648 3674
3649 $k =~ s/\.pm$//;
3650 $k =~ s/\//::/g;
3651
3652 if (my $cb = $k->can ("unload_module")) { 3675 if (my $cb = $pkg->can ("unload")) {
3676 eval {
3653 $cb->(); 3677 $cb->($pkg);
3678 1
3679 } or warn "$pkg unloaded, but with errors: $@";
3680 }
3681
3682 warn "... clearing $pkg";
3683 clear_package $pkg;
3654 } 3684 }
3655 3685
3656 Symbol::delete_package $k; 3686 warn "unloading all perl modules loaded from $LIBDIR";
3687 while (my ($k, $v) = each %INC) {
3688 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3689
3690 warn "... unloading $k";
3691 delete $INC{$k};
3692
3693 $k =~ s/\.pm$//;
3694 $k =~ s/\//::/g;
3695
3696 if (my $cb = $k->can ("unload_module")) {
3697 $cb->();
3698 }
3699
3700 clear_package $k;
3657 } 3701 }
3658 3702
3659 warn "getting rid of safe::, as good as possible"; 3703 warn "getting rid of safe::, as good as possible";
3660 Symbol::delete_package "safe::$_" 3704 clear_package "safe::$_"
3661 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3705 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3662 3706
3663 warn "unloading cf.pm \"a bit\""; 3707 warn "unloading cf.pm \"a bit\"";
3664 delete $INC{"cf.pm"}; 3708 delete $INC{"cf.pm"};
3665 delete $INC{"cf/pod.pm"}; 3709 delete $INC{"cf/pod.pm"};
3666 3710
3667 # don't, removes xs symbols, too, 3711 # don't, removes xs symbols, too,
3668 # and global variables created in xs 3712 # and global variables created in xs
3669 #Symbol::delete_package __PACKAGE__; 3713 #clear_package __PACKAGE__;
3670 3714
3671 warn "unload completed, starting to reload now"; 3715 warn "unload completed, starting to reload now";
3672 3716
3673 warn "reloading cf.pm"; 3717 warn "reloading cf.pm";
3674 require cf; 3718 require cf;
3675 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3719 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3676 3720
3677 warn "loading config and database again"; 3721 warn "loading config and database again";
3678 cf::reload_config; 3722 cf::reload_config;
3679 3723
3680 warn "loading extensions"; 3724 warn "loading extensions";
3681 cf::load_extensions; 3725 cf::load_extensions;
3682 3726
3683 warn "reattaching attachments to objects/players"; 3727 warn "reattaching attachments to objects/players";
3684 _global_reattach; # objects, sockets 3728 _global_reattach; # objects, sockets
3685 warn "reattaching attachments to maps"; 3729 warn "reattaching attachments to maps";
3686 reattach $_ for values %MAP; 3730 reattach $_ for values %MAP;
3687 warn "reattaching attachments to players"; 3731 warn "reattaching attachments to players";
3688 reattach $_ for values %PLAYER; 3732 reattach $_ for values %PLAYER;
3689 3733
3734 warn "running post_load";
3735 (pop @POST_INIT)->(1) while @POST_INIT;
3736
3690 warn "leaving sync_job"; 3737 warn "leaving sync_job";
3691 3738
3692 1 3739 1
3693 } or do { 3740 } or do {
3694 warn $@; 3741 warn $@;
3695 cf::cleanup "error while reloading, exiting."; 3742 cf::cleanup "error while reloading, exiting.";
3696 }; 3743 };
3697 3744
3698 warn "reloaded"; 3745 warn "reloaded";
3746 --$RELOAD;
3747 }
3699}; 3748};
3700 3749
3701our $RELOAD_WATCHER; # used only during reload 3750our $RELOAD_WATCHER; # used only during reload
3702 3751
3703sub reload_perl() { 3752sub reload_perl() {
3704 # doing reload synchronously and two reloads happen back-to-back, 3753 # doing reload synchronously and two reloads happen back-to-back,
3705 # coro crashes during coro_state_free->destroy here. 3754 # coro crashes during coro_state_free->destroy here.
3706 3755
3707 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3756 $RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3708 do_reload_perl; 3757 do_reload_perl;
3709 undef $RELOAD_WATCHER; 3758 undef $RELOAD_WATCHER;
3710 }; 3759 };
3711} 3760}
3712 3761
… …
3785{ 3834{
3786 # configure BDB 3835 # configure BDB
3787 3836
3788 BDB::min_parallel 8; 3837 BDB::min_parallel 8;
3789 BDB::max_poll_reqs $TICK * 0.1; 3838 BDB::max_poll_reqs $TICK * 0.1;
3790 $Coro::BDB::WATCHER->priority (1); 3839 $AnyEvent::BDB::WATCHER->priority (1);
3791 3840
3792 unless ($DB_ENV) { 3841 unless ($DB_ENV) {
3793 $DB_ENV = BDB::db_env_create; 3842 $DB_ENV = BDB::db_env_create;
3794 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3843 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3795 | BDB::LOG_AUTOREMOVE, 1); 3844 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3845 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3796 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3846 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3847 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3798 3848
3799 cf::sync_job { 3849 cf::sync_job {
3800 eval { 3850 eval {
… …
3826{ 3876{
3827 # configure IO::AIO 3877 # configure IO::AIO
3828 3878
3829 IO::AIO::min_parallel 8; 3879 IO::AIO::min_parallel 8;
3830 IO::AIO::max_poll_time $TICK * 0.1; 3880 IO::AIO::max_poll_time $TICK * 0.1;
3831 $Coro::AIO::WATCHER->priority (1); 3881 undef $AnyEvent::AIO::WATCHER;
3832} 3882}
3833 3883
3834my $_log_backtrace; 3884my $_log_backtrace;
3835 3885
3836sub _log_backtrace { 3886sub _log_backtrace {
… …
3839 $msg =~ s/\n//; 3889 $msg =~ s/\n//;
3840 3890
3841 # limit the # of concurrent backtraces 3891 # limit the # of concurrent backtraces
3842 if ($_log_backtrace < 2) { 3892 if ($_log_backtrace < 2) {
3843 ++$_log_backtrace; 3893 ++$_log_backtrace;
3894 my $perl_bt = Carp::longmess $msg;
3844 async { 3895 async {
3845 $Coro::current->{desc} = "abt $msg"; 3896 $Coro::current->{desc} = "abt $msg";
3846 3897
3847 my @bt = fork_call { 3898 my @bt = fork_call {
3848 @addr = map { sprintf "%x", $_ } @addr; 3899 @addr = map { sprintf "%x", $_ } @addr;
… …
3859 } 3910 }
3860 3911
3861 @funcs 3912 @funcs
3862 }; 3913 };
3863 3914
3864 LOG llevInfo, "[ABT] $msg\n"; 3915 LOG llevInfo, "[ABT] $perl_bt\n";
3916 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3865 LOG llevInfo, "[ABT] $_\n" for @bt; 3917 LOG llevInfo, "[ABT] $_\n" for @bt;
3866 --$_log_backtrace; 3918 --$_log_backtrace;
3867 }; 3919 };
3868 } else { 3920 } else {
3869 LOG llevInfo, "[ABT] $msg\n"; 3921 LOG llevInfo, "[ABT] $msg\n";

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