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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.428 by root, Thu May 1 06:33:19 2008 UTC vs.
Revision 1.445 by root, Wed Sep 10 18:18:10 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
… …
76our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
77 82
78our $RELOAD; # number of reloads so far 83our $RELOAD; # number of reloads so far
79our @EVENT; 84our @EVENT;
80 85
81our $CONFDIR = confdir; 86our $CONFDIR = confdir;
82our $DATADIR = datadir; 87our $DATADIR = datadir;
83our $LIBDIR = "$DATADIR/ext"; 88our $LIBDIR = "$DATADIR/ext";
84our $PODDIR = "$DATADIR/pod"; 89our $PODDIR = "$DATADIR/pod";
85our $MAPDIR = "$DATADIR/" . mapdir; 90our $MAPDIR = "$DATADIR/" . mapdir;
86our $LOCALDIR = localdir; 91our $LOCALDIR = localdir;
87our $TMPDIR = "$LOCALDIR/" . tmpdir; 92our $TMPDIR = "$LOCALDIR/" . tmpdir;
88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89our $PLAYERDIR = "$LOCALDIR/" . playerdir; 94our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90our $RANDOMDIR = "$LOCALDIR/random"; 95our $RANDOMDIR = "$LOCALDIR/random";
91our $BDBDIR = "$LOCALDIR/db"; 96our $BDBDIR = "$LOCALDIR/db";
97our $PIDFILE = "$LOCALDIR/pid";
98our $RUNTIMEFILE = "$LOCALDIR/runtime";
99
92our %RESOURCE; 100our %RESOURCE;
93 101
94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 102our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95our $AIO_POLL_WATCHER;
96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 103our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97our $NEXT_TICK; 104our $NEXT_TICK;
98our $USE_FSYNC = 1; # use fsync to write maps - default off 105our $USE_FSYNC = 1; # use fsync to write maps - default off
99 106
100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER; 107our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER; 108our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER; 109our $BDB_TRICKLE_WATCHER;
104our $DB_ENV; 110our $DB_ENV;
105 111
… …
123 129
124binmode STDOUT; 130binmode STDOUT;
125binmode STDERR; 131binmode STDERR;
126 132
127# read virtual server time, if available 133# read virtual server time, if available
128unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 134unless ($RUNTIME || !-e $RUNTIMEFILE) {
129 open my $fh, "<", "$LOCALDIR/runtime" 135 open my $fh, "<", $RUNTIMEFILE
130 or die "unable to read runtime file: $!"; 136 or die "unable to read $RUNTIMEFILE file: $!";
131 $RUNTIME = <$fh> + 0.; 137 $RUNTIME = <$fh> + 0.;
132} 138}
133 139
134mkdir $_ 140mkdir $_
135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 141 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
242for my $pkg (qw( 248for my $pkg (qw(
243 cf::global cf::attachable 249 cf::global cf::attachable
244 cf::object cf::object::player 250 cf::object cf::object::player
245 cf::client cf::player 251 cf::client cf::player
246 cf::arch cf::living 252 cf::arch cf::living
253 cf::map cf::mapspace
247 cf::map cf::party cf::region 254 cf::party cf::region
248)) { 255)) {
249 no strict 'refs';
250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 256 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251} 257}
252 258
253$EV::DIED = sub { 259$EV::DIED = sub {
254 warn "error in event callback: @_"; 260 warn "error in event callback: @_";
… …
1085 1091
1086sub reattach { 1092sub reattach {
1087 # basically do the same as instantiate, without calling instantiate 1093 # basically do the same as instantiate, without calling instantiate
1088 my ($obj) = @_; 1094 my ($obj) = @_;
1089 1095
1096 # no longer needed after getting rid of delete_package?
1090 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1097 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091 1098
1092 my $registry = $obj->registry; 1099 my $registry = $obj->registry;
1093 1100
1094 @$registry = (); 1101 @$registry = ();
1095 1102
… …
1331 1338
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1339 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1340 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334 1341
1335 $ext{source} = 1342 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n" 1343 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n" 1344 . "#line 1 \"$path\"\n{\n"
1338 . $source 1345 . $source
1339 . "\n};\n1"; 1346 . "\n};\n1";
1340 1347
1341 $todo{$base} = \%ext; 1348 $todo{$base} = \%ext;
… …
1519 my ($pl) = @_; 1526 my ($pl) = @_;
1520 1527
1521 my $name = $pl->ob->name; 1528 my $name = $pl->ob->name;
1522 1529
1523 $pl->{deny_save} = 1; 1530 $pl->{deny_save} = 1;
1524 $pl->password ("*"); # this should lock out the player until we nuked the dir 1531 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1525 1532
1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1533 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527 $pl->deactivate; 1534 $pl->deactivate;
1535 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1536 $pl->ob->check_score;
1528 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1537 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1529 $pl->ns->destroy if $pl->ns; 1538 $pl->ns->destroy if $pl->ns;
1530 1539
1531 my $path = playerdir $pl; 1540 my $path = playerdir $pl;
1532 my $temp = "$path~$cf::RUNTIME~deleting~"; 1541 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1616} 1625}
1617 1626
1618=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1627=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1619 1628
1620Expand crossfire pod fragments into protocol xml. 1629Expand crossfire 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 1630
1711=item $player->ext_reply ($msgid, @msg) 1631=item $player->ext_reply ($msgid, @msg)
1712 1632
1713Sends an ext reply to the player. 1633Sends an ext reply to the player.
1714 1634
… …
2031 1951
2032 cf::lock_wait "map_data:$path";#d#remove 1952 cf::lock_wait "map_data:$path";#d#remove
2033 cf::lock_wait "map_find:$path"; 1953 cf::lock_wait "map_find:$path";
2034 1954
2035 $cf::MAP{$path} || do { 1955 $cf::MAP{$path} || do {
2036 my $guard1 = cf::lock_acquire "map_find:$path";
2037 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it 1956 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1957 my $guard2 = cf::lock_acquire "map_find:$path";
2038 1958
2039 my $map = new_from_path cf::map $path 1959 my $map = new_from_path cf::map $path
2040 or return; 1960 or return;
2041 1961
2042 $map->{last_save} = $cf::RUNTIME; 1962 $map->{last_save} = $cf::RUNTIME;
… …
2045 or return; 1965 or return;
2046 1966
2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1967 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048 # doing this can freeze the server in a sync job, obviously 1968 # doing this can freeze the server in a sync job, obviously
2049 #$cf::WAIT_FOR_TICK->wait; 1969 #$cf::WAIT_FOR_TICK->wait;
1970 undef $guard2;
2050 undef $guard1; 1971 undef $guard1;
2051 undef $guard2;
2052 $map->reset; 1972 $map->reset;
2053 return find $path; 1973 return find $path;
2054 } 1974 }
2055 1975
2056 $cf::MAP{$path} = $map 1976 $cf::MAP{$path} = $map
… …
2083 my $f = new_from_file cf::object::thawer $self->{load_path}; 2003 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block; 2004 $f->skip_block;
2085 $self->_load_objects ($f) 2005 $self->_load_objects ($f)
2086 or return; 2006 or return;
2087 2007
2088 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2008 $self->post_load_original
2089 if delete $self->{load_original}; 2009 if delete $self->{load_original};
2090 2010
2091 if (my $uniq = $self->uniq_path) { 2011 if (my $uniq = $self->uniq_path) {
2092 utf8::encode $uniq; 2012 utf8::encode $uniq;
2093 unless (aio_stat $uniq) { 2013 unless (aio_stat $uniq) {
… …
2611her, loading and preparing them map, calling the provided $check callback 2531her, loading and preparing them map, calling the provided $check callback
2612that has to return the map if sucecssful, and then unfreezes the player on 2532that 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 2533the new (success) or old (failed) map position. In either case, $done will
2614be called at the end of this process. 2534be called at the end of this process.
2615 2535
2536Note that $check will be called with a potentially non-loaded map, so if
2537it needs a loaded map it has to call C<< ->load >>.
2538
2616=cut 2539=cut
2617 2540
2618our $GOTOGEN; 2541our $GOTOGEN;
2619 2542
2620sub cf::object::player::goto { 2543sub cf::object::player::goto {
… …
2698} 2621}
2699 2622
2700sub prepare_random_map { 2623sub prepare_random_map {
2701 my ($exit) = @_; 2624 my ($exit) = @_;
2702 2625
2703 my $guard = cf::lock_acquire "exit_prepare:$exit";
2704
2705 # all this does is basically replace the /! path by 2626 # all this does is basically replace the /! path by
2706 # a new random map path (?random/...) with a seed 2627 # a new random map path (?random/...) with a seed
2707 # that depends on the exit object 2628 # that depends on the exit object
2708 2629
2709 my $rmp = parse_random_map_params $exit->msg; 2630 my $rmp = parse_random_map_params $exit->msg;
… …
2711 if ($exit->map) { 2632 if ($exit->map) {
2712 $rmp->{region} = $exit->region->name; 2633 $rmp->{region} = $exit->region->name;
2713 $rmp->{origin_map} = $exit->map->path; 2634 $rmp->{origin_map} = $exit->map->path;
2714 $rmp->{origin_x} = $exit->x; 2635 $rmp->{origin_x} = $exit->x;
2715 $rmp->{origin_y} = $exit->y; 2636 $rmp->{origin_y} = $exit->y;
2637
2638 $exit->map->touch;
2716 } 2639 }
2717 2640
2718 $rmp->{random_seed} ||= $exit->random_seed; 2641 $rmp->{random_seed} ||= $exit->random_seed;
2719 2642
2720 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp); 2643 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
… …
2724 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2647 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2725 aio_write $fh, 0, (length $data), $data, 0; 2648 aio_write $fh, 0, (length $data), $data, 0;
2726 undef $fh; 2649 undef $fh;
2727 aio_rename "$meta~", $meta; 2650 aio_rename "$meta~", $meta;
2728 2651
2652 my $slaying = "?random/$md5";
2653
2654 if ($exit->valid) {
2729 $exit->slaying ("?random/$md5"); 2655 $exit->slaying ("?random/$md5");
2730 $exit->msg (undef); 2656 $exit->msg (undef);
2657 }
2731 } 2658 }
2732} 2659}
2733 2660
2734sub cf::object::player::enter_exit { 2661sub cf::object::player::enter_exit {
2735 my ($self, $exit) = @_; 2662 my ($self, $exit) = @_;
2736 2663
2737 return unless $self->type == cf::PLAYER; 2664 return unless $self->type == cf::PLAYER;
2738 2665
2739 if ($exit->slaying eq "/!") {
2740 #TODO: this should de-fi-ni-te-ly not be a sync-job
2741 # the problem is that $exit might not survive long enough
2742 # so it needs to be done right now, right here
2743 cf::sync_job { prepare_random_map $exit };
2744 }
2745
2746 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2747 my $hp = $exit->stats->hp;
2748 my $sp = $exit->stats->sp;
2749
2750 $self->enter_link; 2666 $self->enter_link;
2751 2667
2752 # if exit is damned, update players death & WoR home-position
2753 $self->contr->savebed ($slaying, $hp, $sp)
2754 if $exit->flag (FLAG_DAMNED);
2755
2756 (async { 2668 (async {
2757 $Coro::current->{desc} = "enter_exit $slaying $hp $sp"; 2669 $Coro::current->{desc} = "enter_exit";
2758 2670
2759 $self->deactivate_recursive; # just to be sure
2760 unless (eval { 2671 unless (eval {
2672 $self->deactivate_recursive; # just to be sure
2673
2674 # random map handling
2675 {
2676 my $guard = cf::lock_acquire "exit_prepare:$exit";
2677
2678 prepare_random_map $exit
2679 if $exit->slaying eq "/!";
2680 }
2681
2682 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2683 my $x = $exit->stats->hp;
2684 my $y = $exit->stats->sp;
2685
2761 $self->goto ($slaying, $hp, $sp); 2686 $self->goto ($map, $x, $y);
2762 2687
2688 # if exit is damned, update players death & WoR home-position
2689 $self->contr->savebed ($map, $x, $y)
2690 if $exit->flag (cf::FLAG_DAMNED);
2691
2763 1; 2692 1
2764 }) { 2693 }) {
2765 $self->message ("Something went wrong deep within the crossfire server. " 2694 $self->message ("Something went wrong deep within the crossfire server. "
2766 . "I'll try to bring you back to the map you were before. " 2695 . "I'll try to bring you back to the map you were before. "
2767 . "Please report this to the dungeon master!", 2696 . "Please report this to the dungeon master!",
2768 cf::NDI_UNIQUE | cf::NDI_RED); 2697 cf::NDI_UNIQUE | cf::NDI_RED);
… …
2890 if ($self->can_msg) { 2819 if ($self->can_msg) {
2891 # default colour, mask it out 2820 # default colour, mask it out
2892 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2821 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2893 if $color & cf::NDI_DEF; 2822 if $color & cf::NDI_DEF;
2894 2823
2895 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2824 my $pkt = "msg "
2825 . $self->{json_coder}->encode (
2896 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2826 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2827 );
2828
2829 # try lzf for large packets
2830 $pkt = "lzf " . Compress::LZF::compress $pkt
2831 if 1024 <= length $pkt and $self->{can_lzf};
2832
2833 # split very large packets
2834 if (8192 < length $pkt and $self->{can_lzf}) {
2835 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2836 $pkt = "frag";
2837 }
2838
2839 $self->send_packet ($pkt);
2897 } else { 2840 } else {
2898 if ($color >= 0) { 2841 if ($color >= 0) {
2899 # replace some tags by gcfclient-compatible ones 2842 # replace some tags by gcfclient-compatible ones
2900 for ($msg) { 2843 for ($msg) {
2901 1 while 2844 1 while
… …
3115 3058
3116=cut 3059=cut
3117 3060
3118for ( 3061for (
3119 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3062 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3120 insert remove inv name archname title slaying race 3063 insert remove inv nrof name archname title slaying race
3121 decrease split destroy)], 3064 decrease split destroy change_exp)],
3122 ["cf::object::player" => qw(player)], 3065 ["cf::object::player" => qw(player)],
3123 ["cf::player" => qw(peaceful)], 3066 ["cf::player" => qw(peaceful)],
3124 ["cf::map" => qw(trigger)], 3067 ["cf::map" => qw(trigger)],
3125) { 3068) {
3126 no strict 'refs'; 3069 no strict 'refs';
… …
3387} 3330}
3388 3331
3389sub init { 3332sub init {
3390 my $guard = freeze_mainloop; 3333 my $guard = freeze_mainloop;
3391 3334
3335 evthread_start IO::AIO::poll_fileno;
3336
3392 reload_resources; 3337 reload_resources;
3393} 3338}
3394 3339
3395sub reload_config { 3340sub reload_config {
3396 open my $fh, "<:utf8", "$CONFDIR/config" 3341 open my $fh, "<:utf8", "$CONFDIR/config"
… …
3411 }; 3356 };
3412 warn $@ if $@; 3357 warn $@ if $@;
3413 } 3358 }
3414} 3359}
3415 3360
3361sub pidfile() {
3362 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3363 or die "$PIDFILE: $!";
3364 flock $fh, &Fcntl::LOCK_EX
3365 or die "$PIDFILE: flock: $!";
3366 $fh
3367}
3368
3369# make sure only one server instance is running at any one time
3370sub atomic {
3371 my $fh = pidfile;
3372
3373 my $pid = <$fh>;
3374 kill 9, $pid if $pid > 0;
3375
3376 seek $fh, 0, 0;
3377 print $fh $$;
3378}
3379
3416sub main { 3380sub main {
3381 atomic;
3382
3417 # we must not ever block the main coroutine 3383 # we must not ever block the main coroutine
3418 local $Coro::idle = sub { 3384 local $Coro::idle = sub {
3419 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3385 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3420 (async { 3386 (async {
3421 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3387 $Coro::current->{desc} = "IDLE BUG HANDLER";
… …
3428 reload_config; 3394 reload_config;
3429 db_init; 3395 db_init;
3430 load_extensions; 3396 load_extensions;
3431 3397
3432 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3398 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3433 evthread_start IO::AIO::poll_fileno;
3434 } 3399 }
3400
3401 utime time, time, $RUNTIMEFILE;
3402
3403 # no (long-running) fork's whatsoever before this point(!)
3404 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3435 3405
3436 EV::loop; 3406 EV::loop;
3437} 3407}
3438 3408
3439############################################################################# 3409#############################################################################
… …
3448 }; 3418 };
3449 } 3419 }
3450} 3420}
3451 3421
3452sub write_runtime_sync { 3422sub write_runtime_sync {
3453 my $runtime = "$LOCALDIR/runtime";
3454
3455 # first touch the runtime file to show we are still running: 3423 # first touch the runtime file to show we are still running:
3456 # the fsync below can take a very very long time. 3424 # the fsync below can take a very very long time.
3457 3425
3458 IO::AIO::aio_utime $runtime, undef, undef; 3426 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3459 3427
3460 my $guard = cf::lock_acquire "write_runtime"; 3428 my $guard = cf::lock_acquire "write_runtime";
3461 3429
3462 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3430 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3463 or return; 3431 or return;
3464 3432
3465 my $value = $cf::RUNTIME + 90 + 10; 3433 my $value = $cf::RUNTIME + 90 + 10;
3466 # 10 is the runtime save interval, for a monotonic clock 3434 # 10 is the runtime save interval, for a monotonic clock
3467 # 60 allows for the watchdog to kill the server. 3435 # 60 allows for the watchdog to kill the server.
… …
3477 aio_utime $fh, undef, undef; 3445 aio_utime $fh, undef, undef;
3478 3446
3479 close $fh 3447 close $fh
3480 or return; 3448 or return;
3481 3449
3482 aio_rename "$runtime~", $runtime 3450 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3483 and return; 3451 and return;
3484 3452
3485 warn "runtime file written.\n"; 3453 warn "runtime file written.\n";
3486 3454
3487 1 3455 1
… …
3571sub post_cleanup { 3539sub post_cleanup {
3572 my ($make_core) = @_; 3540 my ($make_core) = @_;
3573 3541
3574 warn Carp::longmess "post_cleanup backtrace" 3542 warn Carp::longmess "post_cleanup backtrace"
3575 if $make_core; 3543 if $make_core;
3544
3545 my $fh = pidfile;
3546 unlink $PIDFILE if <$fh> == $$;
3576} 3547}
3548
3549# a safer delete_package, copied from Symbol
3550sub clear_package($) {
3551 my $pkg = shift;
3552
3553 # expand to full symbol table name if needed
3554 unless ($pkg =~ /^main::.*::$/) {
3555 $pkg = "main$pkg" if $pkg =~ /^::/;
3556 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3557 $pkg .= '::' unless $pkg =~ /::$/;
3558 }
3559
3560 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3561 my $stem_symtab = *{$stem}{HASH};
3562
3563 defined $stem_symtab and exists $stem_symtab->{$leaf}
3564 or return;
3565
3566 # clear all symbols
3567 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3568 for my $name (keys %$leaf_symtab) {
3569 _gv_clear *{"$pkg$name"};
3570# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3571 }
3572 warn "cleared package #$pkg\n";#d#
3573}
3574
3575our $RELOAD; # how many times to reload
3577 3576
3578sub do_reload_perl() { 3577sub do_reload_perl() {
3579 # can/must only be called in main 3578 # can/must only be called in main
3580 if ($Coro::current != $Coro::main) { 3579 if ($Coro::current != $Coro::main) {
3581 warn "can only reload from main coroutine"; 3580 warn "can only reload from main coroutine";
3582 return; 3581 return;
3583 } 3582 }
3584 3583
3584 return if $RELOAD++;
3585
3586 while ($RELOAD) {
3585 warn "reloading..."; 3587 warn "reloading...";
3586 3588
3587 warn "entering sync_job"; 3589 warn "entering sync_job";
3588 3590
3589 cf::sync_job { 3591 cf::sync_job {
3590 cf::write_runtime_sync; # external watchdog should not bark 3592 cf::write_runtime_sync; # external watchdog should not bark
3591 cf::emergency_save; 3593 cf::emergency_save;
3592 cf::write_runtime_sync; # external watchdog should not bark 3594 cf::write_runtime_sync; # external watchdog should not bark
3593 3595
3594 warn "syncing database to disk"; 3596 warn "syncing database to disk";
3595 BDB::db_env_txn_checkpoint $DB_ENV; 3597 BDB::db_env_txn_checkpoint $DB_ENV;
3596 3598
3597 # if anything goes wrong in here, we should simply crash as we already saved 3599 # if anything goes wrong in here, we should simply crash as we already saved
3598 3600
3599 warn "flushing outstanding aio requests"; 3601 warn "flushing outstanding aio requests";
3600 for (;;) {
3601 BDB::flush;
3602 IO::AIO::flush;
3603 Coro::cede_notself;
3604 last unless IO::AIO::nreqs || BDB::nreqs; 3602 while (IO::AIO::nreqs || BDB::nreqs) {
3605 warn "iterate..."; 3603 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3606 }
3607
3608 ++$RELOAD;
3609
3610 warn "cancelling all extension coros";
3611 $_->cancel for values %EXT_CORO;
3612 %EXT_CORO = ();
3613
3614 warn "removing commands";
3615 %COMMAND = ();
3616
3617 warn "removing ext/exti commands";
3618 %EXTCMD = ();
3619 %EXTICMD = ();
3620
3621 warn "unloading/nuking all extensions";
3622 for my $pkg (@EXTS) {
3623 warn "... unloading $pkg";
3624
3625 if (my $cb = $pkg->can ("unload")) {
3626 eval {
3627 $cb->($pkg);
3628 1
3629 } or warn "$pkg unloaded, but with errors: $@";
3630 } 3604 }
3631 3605
3632 warn "... nuking $pkg"; 3606 warn "cancelling all extension coros";
3633 Symbol::delete_package $pkg; 3607 $_->cancel for values %EXT_CORO;
3634 } 3608 %EXT_CORO = ();
3635 3609
3636 warn "unloading all perl modules loaded from $LIBDIR"; 3610 warn "removing commands";
3637 while (my ($k, $v) = each %INC) { 3611 %COMMAND = ();
3638 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3639 3612
3613 warn "removing ext/exti commands";
3614 %EXTCMD = ();
3615 %EXTICMD = ();
3616
3617 warn "unloading/nuking all extensions";
3618 for my $pkg (@EXTS) {
3640 warn "... unloading $k"; 3619 warn "... unloading $pkg";
3641 delete $INC{$k};
3642 3620
3643 $k =~ s/\.pm$//;
3644 $k =~ s/\//::/g;
3645
3646 if (my $cb = $k->can ("unload_module")) { 3621 if (my $cb = $pkg->can ("unload")) {
3622 eval {
3647 $cb->(); 3623 $cb->($pkg);
3624 1
3625 } or warn "$pkg unloaded, but with errors: $@";
3626 }
3627
3628 warn "... clearing $pkg";
3629 clear_package $pkg;
3648 } 3630 }
3649 3631
3650 Symbol::delete_package $k; 3632 warn "unloading all perl modules loaded from $LIBDIR";
3633 while (my ($k, $v) = each %INC) {
3634 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3635
3636 warn "... unloading $k";
3637 delete $INC{$k};
3638
3639 $k =~ s/\.pm$//;
3640 $k =~ s/\//::/g;
3641
3642 if (my $cb = $k->can ("unload_module")) {
3643 $cb->();
3644 }
3645
3646 clear_package $k;
3651 } 3647 }
3652 3648
3653 warn "getting rid of safe::, as good as possible"; 3649 warn "getting rid of safe::, as good as possible";
3654 Symbol::delete_package "safe::$_" 3650 clear_package "safe::$_"
3655 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3651 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3656 3652
3657 warn "unloading cf.pm \"a bit\""; 3653 warn "unloading cf.pm \"a bit\"";
3658 delete $INC{"cf.pm"}; 3654 delete $INC{"cf.pm"};
3659 delete $INC{"cf/pod.pm"}; 3655 delete $INC{"cf/pod.pm"};
3660 3656
3661 # don't, removes xs symbols, too, 3657 # don't, removes xs symbols, too,
3662 # and global variables created in xs 3658 # and global variables created in xs
3663 #Symbol::delete_package __PACKAGE__; 3659 #clear_package __PACKAGE__;
3664 3660
3665 warn "unload completed, starting to reload now"; 3661 warn "unload completed, starting to reload now";
3666 3662
3667 warn "reloading cf.pm"; 3663 warn "reloading cf.pm";
3668 require cf; 3664 require cf;
3669 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3665 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3670 3666
3671 warn "loading config and database again"; 3667 warn "loading config and database again";
3672 cf::reload_config; 3668 cf::reload_config;
3673 3669
3674 warn "loading extensions"; 3670 warn "loading extensions";
3675 cf::load_extensions; 3671 cf::load_extensions;
3676 3672
3677 warn "reattaching attachments to objects/players"; 3673 warn "reattaching attachments to objects/players";
3678 _global_reattach; # objects, sockets 3674 _global_reattach; # objects, sockets
3679 warn "reattaching attachments to maps"; 3675 warn "reattaching attachments to maps";
3680 reattach $_ for values %MAP; 3676 reattach $_ for values %MAP;
3681 warn "reattaching attachments to players"; 3677 warn "reattaching attachments to players";
3682 reattach $_ for values %PLAYER; 3678 reattach $_ for values %PLAYER;
3683 3679
3684 warn "leaving sync_job"; 3680 warn "leaving sync_job";
3685 3681
3686 1 3682 1
3687 } or do { 3683 } or do {
3688 warn $@; 3684 warn $@;
3689 cf::cleanup "error while reloading, exiting."; 3685 cf::cleanup "error while reloading, exiting.";
3690 }; 3686 };
3691 3687
3692 warn "reloaded"; 3688 warn "reloaded";
3689 --$RELOAD;
3690 }
3693}; 3691};
3694 3692
3695our $RELOAD_WATCHER; # used only during reload 3693our $RELOAD_WATCHER; # used only during reload
3696 3694
3697sub reload_perl() { 3695sub reload_perl() {
… …
3779{ 3777{
3780 # configure BDB 3778 # configure BDB
3781 3779
3782 BDB::min_parallel 8; 3780 BDB::min_parallel 8;
3783 BDB::max_poll_reqs $TICK * 0.1; 3781 BDB::max_poll_reqs $TICK * 0.1;
3784 $Coro::BDB::WATCHER->priority (1); 3782 $AnyEvent::BDB::WATCHER->priority (1);
3785 3783
3786 unless ($DB_ENV) { 3784 unless ($DB_ENV) {
3787 $DB_ENV = BDB::db_env_create; 3785 $DB_ENV = BDB::db_env_create;
3788 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3786 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3789 | BDB::LOG_AUTOREMOVE, 1); 3787 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3788 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3790 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3789 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3791 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3790 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3792 3791
3793 cf::sync_job { 3792 cf::sync_job {
3794 eval { 3793 eval {
… …
3820{ 3819{
3821 # configure IO::AIO 3820 # configure IO::AIO
3822 3821
3823 IO::AIO::min_parallel 8; 3822 IO::AIO::min_parallel 8;
3824 IO::AIO::max_poll_time $TICK * 0.1; 3823 IO::AIO::max_poll_time $TICK * 0.1;
3825 $Coro::AIO::WATCHER->priority (1); 3824 undef $AnyEvent::AIO::WATCHER;
3826} 3825}
3827 3826
3828my $_log_backtrace; 3827my $_log_backtrace;
3829 3828
3830sub _log_backtrace { 3829sub _log_backtrace {

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