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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.208 by root, Mon Feb 12 00:27:20 2007 UTC

8use Storable; 8use Storable;
9use Opcode; 9use Opcode;
10use Safe; 10use Safe;
11use Safe::Hole; 11use Safe::Hole;
12 12
13use Coro 3.3 (); 13use Coro 3.5 ();
14use Coro::Event; 14use Coro::Event;
15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
19 19
20use BDB ();
20use Data::Dumper; 21use Data::Dumper;
21use Digest::MD5; 22use Digest::MD5;
22use Fcntl; 23use Fcntl;
23use IO::AIO 2.32 (); 24use IO::AIO 2.32 ();
24use YAML::Syck (); 25use YAML::Syck ();
25use Time::HiRes; 26use Time::HiRes;
27use Compress::LZF;
28
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26 30
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 31use Event; $Event::Eval = 1; # no idea why this is required, but it is
28 32
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 34
33 37
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 39
36our %COMMAND = (); 40our %COMMAND = ();
37our %COMMAND_TIME = (); 41our %COMMAND_TIME = ();
42
43our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 44our %EXTCMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps
39 47
40our @EVENT; 48our @EVENT;
41our $LIBDIR = datadir . "/ext"; 49our $LIBDIR = datadir . "/ext";
42 50
43our $TICK = MAX_TIME * 1e-6; 51our $TICK = MAX_TIME * 1e-6;
44our $TICK_WATCHER; 52our $TICK_WATCHER;
53our $AIO_POLL_WATCHER;
54our $WRITE_RUNTIME_WATCHER;
45our $NEXT_TICK; 55our $NEXT_TICK;
46our $NOW; 56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off
58
59our $BDB_POLL_WATCHER;
60our $DB_ENV;
47 61
48our %CFG; 62our %CFG;
49 63
50our $UPTIME; $UPTIME ||= time; 64our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 65our $RUNTIME;
52 66
53our %PLAYER; # all users 67our %PLAYER; # all users
54our %MAP; # all maps 68our %MAP; # all maps
55our $LINK_MAP; # the special {link} map 69our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random"; 70our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions 71our $BDB_ENV_DIR = cf::localdir . "/db";
58 72
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75
76# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61 78
62binmode STDOUT; 79binmode STDOUT;
63binmode STDERR; 80binmode STDERR;
64 81
65# read virtual server time, if available 82# read virtual server time, if available
72mkdir cf::localdir; 89mkdir cf::localdir;
73mkdir cf::localdir . "/" . cf::playerdir; 90mkdir cf::localdir . "/" . cf::playerdir;
74mkdir cf::localdir . "/" . cf::tmpdir; 91mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir; 92mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS; 93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
77 95
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 96our $EMERGENCY_POSITION;
97
98sub cf::map::normalise;
81 99
82############################################################################# 100#############################################################################
83 101
84=head2 GLOBAL VARIABLES 102=head2 GLOBAL VARIABLES
85 103
156} 174}
157 175
158$Event::DIED = sub { 176$Event::DIED = sub {
159 warn "error in event callback: @_"; 177 warn "error in event callback: @_";
160}; 178};
161
162my %ext_pkg;
163my @exts;
164my @hook;
165 179
166=head2 UTILITY FUNCTIONS 180=head2 UTILITY FUNCTIONS
167 181
168=over 4 182=over 4
169 183
257} 271}
258 272
259sub freeze_mainloop { 273sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 274 return unless $TICK_WATCHER->is_active;
261 275
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 276 my $guard = Coro::guard {
277 $TICK_WATCHER->start;
278 $WRITE_RUNTIME_WATCHER->start;
279 };
280 $WRITE_RUNTIME_WATCHER->stop;
263 $TICK_WATCHER->stop; 281 $TICK_WATCHER->stop;
264 $guard 282 $guard
265} 283}
266 284
267=item cf::async { BLOCK } 285=item cf::async { BLOCK }
319 } 337 }
320} 338}
321 339
322=item $coro = cf::async_ext { BLOCK } 340=item $coro = cf::async_ext { BLOCK }
323 341
324Like async, but this coro is automcatially being canceled when the 342Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 343extension calling this is being unloaded.
326 344
327=cut 345=cut
328 346
329sub async_ext(&) { 347sub async_ext(&) {
343 my $runtime = cf::localdir . "/runtime"; 361 my $runtime = cf::localdir . "/runtime";
344 362
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346 or return; 364 or return;
347 365
366 my $value = $cf::RUNTIME + 90 + 10;
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 367 # 10 is the runtime save interval, for a monotonic clock
368 # 60 allows for the watchdog to kill the server.
369
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0 370 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return; 371 and return;
351 372
373 # always fsync - this file is important
352 aio_fsync $fh 374 aio_fsync $fh
353 and return; 375 and return;
354 376
355 close $fh 377 close $fh
356 or return; 378 or return;
362} 384}
363 385
364=back 386=back
365 387
366=cut 388=cut
367
368#############################################################################
369
370package cf::path;
371
372# used to convert map paths into valid unix filenames by repalcing / by ∕
373our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375sub new {
376 my ($class, $path, $base) = @_;
377
378 $path = $path->as_string if ref $path;
379
380 my $self = bless { }, $class;
381
382 # {... are special paths that are not touched
383 # ?xxx/... are special absolute paths
384 # ?random/... random maps
385 # /! non-realised random map exit
386 # /... normal maps
387 # ~/... per-player maps without a specific player (DO NOT USE)
388 # ~user/... per-player map of a specific user
389
390 if ($path =~ /^{/) {
391 # fine as it is
392 } elsif ($path =~ s{^\?random/}{}) {
393 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394 $self->{random} = cf::from_json $data;
395 } else {
396 if ($path =~ s{^~([^/]+)?}{}) {
397 $self->{user_rel} = 1;
398
399 if (defined $1) {
400 $self->{user} = $1;
401 } elsif ($base =~ m{^~([^/]+)/}) {
402 $self->{user} = $1;
403 } else {
404 warn "cannot resolve user-relative path without user <$path,$base>\n";
405 }
406 } elsif ($path =~ /^\//) {
407 # already absolute
408 } else {
409 $base =~ s{[^/]+/?$}{};
410 return $class->new ("$base/$path");
411 }
412
413 for ($path) {
414 redo if s{/\.?/}{/};
415 redo if s{/[^/]+/\.\./}{/};
416 }
417 }
418
419 $self->{path} = $path;
420
421 $self
422}
423
424# the name / primary key / in-game path
425sub as_string {
426 my ($self) = @_;
427
428 $self->{user_rel} ? "~$self->{user}$self->{path}"
429 : $self->{random} ? "?random/$self->{path}"
430 : $self->{path}
431}
432
433# the displayed name, this is a one way mapping
434sub visible_name {
435 my ($self) = @_;
436
437# if (my $rmp = $self->{random}) {
438# # todo: be more intelligent about this
439# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440# } else {
441 $self->as_string
442# }
443}
444
445# escape the /'s in the path
446sub _escaped_path {
447 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448 $path
449}
450
451# the original (read-only) location
452sub load_path {
453 my ($self) = @_;
454
455 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456}
457
458# the temporary/swap location
459sub save_path {
460 my ($self) = @_;
461
462 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465}
466
467# the unique path, might be eq to save_path
468sub uniq_path {
469 my ($self) = @_;
470
471 $self->{user_rel} || $self->{random}
472 ? undef
473 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474}
475
476# return random map parameters, or undef
477sub random_map_params {
478 my ($self) = @_;
479
480 $self->{random}
481}
482
483# this is somewhat ugly, but style maps do need special treatment
484sub is_style_map {
485 $_[0]{path} =~ m{^/styles/}
486}
487
488package cf;
489 389
490############################################################################# 390#############################################################################
491 391
492=head2 ATTACHABLE OBJECTS 392=head2 ATTACHABLE OBJECTS
493 393
619our @CB_TYPE = (); # registry for type (cf-object class) based events 519our @CB_TYPE = (); # registry for type (cf-object class) based events
620our @CB_MAP = (); 520our @CB_MAP = ();
621 521
622my %attachment; 522my %attachment;
623 523
524sub cf::attachable::thawer_merge {
525 # simply override everything except _meta
526 local $_[0]{_meta};
527 %{$_[0]} = %{$_[1]};
528}
529
624sub _attach_cb($$$$) { 530sub _attach_cb($$$$) {
625 my ($registry, $event, $prio, $cb) = @_; 531 my ($registry, $event, $prio, $cb) = @_;
626 532
627 use sort 'stable'; 533 use sort 'stable';
628 534
799# object support 705# object support
800 706
801sub reattach { 707sub reattach {
802 # basically do the same as instantiate, without calling instantiate 708 # basically do the same as instantiate, without calling instantiate
803 my ($obj) = @_; 709 my ($obj) = @_;
710
711 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804 712
805 my $registry = $obj->registry; 713 my $registry = $obj->registry;
806 714
807 @$registry = (); 715 @$registry = ();
808 716
855 $filename, length $$rdata, scalar @$objs; 763 $filename, length $$rdata, scalar @$objs;
856 764
857 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858 chmod SAVE_MODE, $fh; 766 chmod SAVE_MODE, $fh;
859 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 767 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860 aio_fsync $fh; 768 aio_fsync $fh if $cf::USE_FSYNC;
861 close $fh; 769 close $fh;
862 770
863 if (@$objs) { 771 if (@$objs) {
864 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 772 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865 chmod SAVE_MODE, $fh; 773 chmod SAVE_MODE, $fh;
866 my $data = Storable::nfreeze { version => 1, objs => $objs }; 774 my $data = Storable::nfreeze { version => 1, objs => $objs };
867 aio_write $fh, 0, (length $data), $data, 0; 775 aio_write $fh, 0, (length $data), $data, 0;
868 aio_fsync $fh; 776 aio_fsync $fh if $cf::USE_FSYNC;
869 close $fh; 777 close $fh;
870 aio_rename "$filename.pst~", "$filename.pst"; 778 aio_rename "$filename.pst~", "$filename.pst";
871 } 779 }
872 } else { 780 } else {
873 aio_unlink "$filename.pst"; 781 aio_unlink "$filename.pst";
879 } 787 }
880 } else { 788 } else {
881 aio_unlink $filename; 789 aio_unlink $filename;
882 aio_unlink "$filename.pst"; 790 aio_unlink "$filename.pst";
883 } 791 }
792
793 #d##TODO# nuke non .map-files if exist
794 if ($filename =~ s/\.map$//) {
795 aio_unlink $filename;
796 aio_unlink "$filename.pst";
797 }
884 } 798 }
885} 799}
886 800
887sub object_freezer_as_string { 801sub object_freezer_as_string {
888 my ($rdata, $objs) = @_; 802 my ($rdata, $objs) = @_;
894 808
895sub object_thawer_load { 809sub object_thawer_load {
896 my ($filename) = @_; 810 my ($filename) = @_;
897 811
898 my ($data, $av); 812 my ($data, $av);
813
814 #d#TODO remove .map if file does not exist
815 aio_stat $filename and $filename =~ s/\.map$//;
899 816
900 (aio_load $filename, $data) >= 0 817 (aio_load $filename, $data) >= 0
901 or return; 818 or return;
902 819
903 unless (aio_stat "$filename.pst") { 820 unless (aio_stat "$filename.pst") {
940=cut 857=cut
941 858
942sub register_extcmd { 859sub register_extcmd {
943 my ($name, $cb) = @_; 860 my ($name, $cb) = @_;
944 861
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 862 $EXTCMD{$name} = $cb;
949} 863}
950 864
951cf::player->attach ( 865cf::player->attach (
952 on_command => sub { 866 on_command => sub {
953 my ($pl, $name, $params) = @_; 867 my ($pl, $name, $params) = @_;
966 880
967 my $msg = eval { from_json $buf }; 881 my $msg = eval { from_json $buf };
968 882
969 if (ref $msg) { 883 if (ref $msg) {
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 884 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 885 if (my %reply = $cb->($pl, $msg)) {
972 $pl->ext_reply ($msg->{msgid}, %reply); 886 $pl->ext_reply ($msg->{msgid}, %reply);
973 } 887 }
974 } 888 }
975 } else { 889 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 890 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
978 892
979 cf::override; 893 cf::override;
980 }, 894 },
981); 895);
982 896
983sub register {
984 my ($base, $pkg) = @_;
985
986 #TODO
987}
988
989sub load_extension { 897sub load_extension {
990 my ($path) = @_; 898 my ($path) = @_;
991 899
992 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 900 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
993 my $base = $1; 901 my $base = $1;
994 my $pkg = $1; 902 my $pkg = $1;
995 $pkg =~ s/[^[:word:]]/_/g; 903 $pkg =~ s/[^[:word:]]/_/g;
996 $pkg = "ext::$pkg"; 904 $pkg = "ext::$pkg";
997 905
998 warn "loading '$path' into '$pkg'\n"; 906 warn "... loading '$path' into '$pkg'\n";
999 907
1000 open my $fh, "<:utf8", $path 908 open my $fh, "<:utf8", $path
1001 or die "$path: $!"; 909 or die "$path: $!";
1002 910
1003 my $source = 911 my $source =
1004 "package $pkg; use strict; use utf8;\n" 912 "package $pkg; use strict; use utf8;\n"
1005 . "#line 1 \"$path\"\n{\n" 913 . "#line 1 \"$path\"\n{\n"
1006 . (do { local $/; <$fh> }) 914 . (do { local $/; <$fh> })
1007 . "\n};\n1"; 915 . "\n};\n1";
1008 916
1009 eval $source 917 unless (eval $source) {
1010 or die $@ ? "$path: $@\n" 918 my $msg = $@ ? "$path: $@\n"
1011 : "extension disabled.\n"; 919 : "extension disabled.\n";
1012 920 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013 push @exts, $pkg; 921 warn $@;
1014 $ext_pkg{$base} = $pkg; 922 warn "mandatory extension failed to load, exiting.\n";
1015 923 exit 1;
1016# no strict 'refs'; 924 }
1017# @{"$pkg\::ISA"} = ext::; 925 die $@;
1018
1019 register $base, $pkg;
1020}
1021
1022sub unload_extension {
1023 my ($pkg) = @_;
1024
1025 warn "removing extension $pkg\n";
1026
1027 # remove hooks
1028 #TODO
1029# for my $idx (0 .. $#PLUGIN_EVENT) {
1030# delete $hook[$idx]{$pkg};
1031# } 926 }
1032 927
1033 # remove commands 928 push @EXTS, $pkg;
1034 for my $name (keys %COMMAND) {
1035 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037 if (@cb) {
1038 $COMMAND{$name} = \@cb;
1039 } else {
1040 delete $COMMAND{$name};
1041 }
1042 }
1043
1044 # remove extcmds
1045 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046 delete $EXTCMD{$name};
1047 }
1048
1049 if (my $cb = $pkg->can ("unload")) {
1050 eval {
1051 $cb->($pkg);
1052 1
1053 } or warn "$pkg unloaded, but with errors: $@";
1054 }
1055
1056 Symbol::delete_package $pkg;
1057} 929}
1058 930
1059sub load_extensions { 931sub load_extensions {
1060 for my $ext (<$LIBDIR/*.ext>) { 932 for my $ext (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 933 next unless -r $ext;
1065 } or warn "$ext not loaded: $@"; 937 } or warn "$ext not loaded: $@";
1066 } 938 }
1067} 939}
1068 940
1069############################################################################# 941#############################################################################
1070# load/save/clean perl data associated with a map
1071
1072*cf::mapsupport::on_clean = sub {
1073 my ($map) = @_;
1074
1075 my $path = $map->tmpname;
1076 defined $path or return;
1077
1078 unlink "$path.pst";
1079};
1080
1081cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083#############################################################################
1084 942
1085=head2 CORE EXTENSIONS 943=head2 CORE EXTENSIONS
1086 944
1087Functions and methods that extend core crossfire objects. 945Functions and methods that extend core crossfire objects.
1088 946
1124 982
1125sub exists($) { 983sub exists($) {
1126 my ($login) = @_; 984 my ($login) = @_;
1127 985
1128 $cf::PLAYER{$login} 986 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 987 or cf::sync_job { !aio_stat path $login }
1130} 988}
1131 989
1132sub find($) { 990sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 991 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 992 my $login = $_[0];
1224 \@logins 1082 \@logins
1225} 1083}
1226 1084
1227=item $player->maps 1085=item $player->maps
1228 1086
1229Returns an arrayref of cf::path's of all maps that are private for this 1087Returns an arrayref of map paths that are private for this
1230player. May block. 1088player. May block.
1231 1089
1232=cut 1090=cut
1233 1091
1234sub maps($) { 1092sub maps($) {
1235 my ($pl) = @_; 1093 my ($pl) = @_;
1094
1095 $pl = ref $pl ? $pl->ob->name : $pl;
1236 1096
1237 my $files = aio_readdir playerdir $pl 1097 my $files = aio_readdir playerdir $pl
1238 or return; 1098 or return;
1239 1099
1240 my @paths; 1100 my @paths;
1241 1101
1242 for (@$files) { 1102 for (@$files) {
1243 utf8::decode $_; 1103 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1104 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1105 next unless /^$PATH_SEP/o;
1246 1106
1247 s/$PATH_SEP/\//g; 1107 push @paths, cf::map::normalise "~$pl/$_";
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249 } 1108 }
1250 1109
1251 \@paths 1110 \@paths
1252} 1111}
1253 1112
1279package cf::map; 1138package cf::map;
1280 1139
1281use Fcntl; 1140use Fcntl;
1282use Coro::AIO; 1141use Coro::AIO;
1283 1142
1143use overload
1144 '""' => \&as_string,
1145 fallback => 1;
1146
1284our $MAX_RESET = 3600; 1147our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1148our $DEFAULT_RESET = 3000;
1286 1149
1287sub generate_random_map { 1150sub generate_random_map {
1288 my ($path, $rmp) = @_; 1151 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1152 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1153 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1154 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1155 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1156 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1157 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1158 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1159 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1160 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1161 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1162 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1163 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}) 1164 (cf::region::find $rmp->{region}), $rmp->{custom}
1165 )
1166}
1167
1168=item cf::map->register ($regex, $prio)
1169
1170Register a handler for the map path matching the given regex at the
1171givne priority (higher is better, built-in handlers have priority 0, the
1172default).
1173
1174=cut
1175
1176sub register {
1177 my (undef, $regex, $prio) = @_;
1178 my $pkg = caller;
1179
1180 no strict;
1181 push @{"$pkg\::ISA"}, __PACKAGE__;
1182
1183 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184}
1185
1186# also paths starting with '/'
1187$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1188
1189sub thawer_merge {
1190 my ($self, $merge) = @_;
1191
1192 # we have to keep some variables in memory intact
1193 local $self->{path};
1194 local $self->{load_path};
1195 local $self->{deny_save};
1196 local $self->{deny_reset};
1197
1198 $self->SUPER::thawer_merge ($merge);
1199}
1200
1201sub normalise {
1202 my ($path, $base) = @_;
1203
1204 $path = "$path"; # make sure its a string
1205
1206 $path =~ s/\.map$//;
1207
1208 # map plan:
1209 #
1210 # /! non-realised random map exit (special hack!)
1211 # {... are special paths that are not being touched
1212 # ?xxx/... are special absolute paths
1213 # ?random/... random maps
1214 # /... normal maps
1215 # ~user/... per-player map of a specific user
1216
1217 $path =~ s/$PATH_SEP/\//go;
1218
1219 # treat it as relative path if it starts with
1220 # something that looks reasonable
1221 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1222 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1223
1224 $base =~ s{[^/]+/?$}{};
1225 $path = "$base/$path";
1226 }
1227
1228 for ($path) {
1229 redo if s{//}{/};
1230 redo if s{/\.?/}{/};
1231 redo if s{/[^/]+/\.\./}{/};
1232 }
1233
1234 $path
1235}
1236
1237sub new_from_path {
1238 my (undef, $path, $base) = @_;
1239
1240 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1241
1242 $path = normalise $path, $base;
1243
1244 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1245 if ($path =~ $EXT_MAP{$pkg}[1]) {
1246 my $self = bless cf::map::new, $pkg;
1247 $self->{path} = $path; $self->path ($path);
1248 $self->init; # pass $1 etc.
1249 return $self;
1250 }
1251 }
1252
1253 Carp::carp "unable to resolve path '$path' (base '$base').";
1254 ()
1255}
1256
1257sub init {
1258 my ($self) = @_;
1259
1260 $self
1261}
1262
1263sub as_string {
1264 my ($self) = @_;
1265
1266 "$self->{path}"
1267}
1268
1269# the displayed name, this is a one way mapping
1270sub visible_name {
1271 &as_string
1272}
1273
1274# the original (read-only) location
1275sub load_path {
1276 my ($self) = @_;
1277
1278 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1279}
1280
1281# the temporary/swap location
1282sub save_path {
1283 my ($self) = @_;
1284
1285 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1287}
1288
1289# the unique path, undef == no special unique path
1290sub uniq_path {
1291 my ($self) = @_;
1292
1293 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304} 1295}
1305 1296
1306# and all this just because we cannot iterate over 1297# and all this just because we cannot iterate over
1307# all maps in C++... 1298# all maps in C++...
1308sub change_all_map_light { 1299sub change_all_map_light {
1310 1301
1311 $_->change_map_light ($change) 1302 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1303 for grep $_->outdoor, values %cf::MAP;
1313} 1304}
1314 1305
1306sub unlink_save {
1307 my ($self) = @_;
1308
1309 utf8::encode (my $save = $self->save_path);
1310 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313 #d#TODO remove .map and also nuke
1314 $save =~ s/\.map// or return;#d#
1315 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317}
1318
1315sub try_load_header($) { 1319sub load_header_from($) {
1316 my ($path) = @_; 1320 my ($self, $path) = @_;
1317 1321
1318 utf8::encode $path; 1322 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1323 #aio_open $path, O_RDONLY, 0
1324 # or return;
1325
1326 $self->_load_header ($path)
1320 or return; 1327 or return;
1321 1328
1322 my $map = cf::map::new 1329 $self->{load_path} = $path;
1330
1331 1
1332}
1333
1334sub load_header_orig {
1335 my ($self) = @_;
1336
1337 $self->load_header_from ($self->load_path)
1338}
1339
1340sub load_header_temp {
1341 my ($self) = @_;
1342
1343 $self->load_header_from ($self->save_path)
1344}
1345
1346sub prepare_temp {
1347 my ($self) = @_;
1348
1349 $self->last_access ((delete $self->{last_access})
1350 || $cf::RUNTIME); #d#
1351 # safety
1352 $self->{instantiate_time} = $cf::RUNTIME
1353 if $self->{instantiate_time} > $cf::RUNTIME;
1354}
1355
1356sub prepare_orig {
1357 my ($self) = @_;
1358
1359 $self->{load_original} = 1;
1360 $self->{instantiate_time} = $cf::RUNTIME;
1361 $self->last_access ($cf::RUNTIME);
1362 $self->instantiate;
1363}
1364
1365sub load_header {
1366 my ($self) = @_;
1367
1368 if ($self->load_header_temp) {
1369 $self->prepare_temp;
1370 } else {
1371 $self->load_header_orig
1323 or return; 1372 or return;
1373 $self->prepare_orig;
1374 }
1324 1375
1325 # for better error messages only, will be overwritten 1376 1
1326 $map->path ($path);
1327
1328 $map->load_header ($path)
1329 or return;
1330
1331 $map->{load_path} = $path;
1332
1333 $map
1334} 1377}
1335 1378
1336sub find; 1379sub find;
1337sub find { 1380sub find {
1338 my ($path, $origin) = @_; 1381 my ($path, $origin) = @_;
1339 1382
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1383 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1384
1345 cf::lock_wait "map_find:$key"; 1385 cf::lock_wait "map_find:$path";
1346 1386
1347 $cf::MAP{$key} || do { 1387 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1388 my $guard = cf::lock_acquire "map_find:$path";
1349 1389 my $map = new_from_path cf::map $path
1350 # do it the slow way
1351 my $map = try_load_header $path->save_path;
1352
1353 Coro::cede;
1354
1355 if ($map) {
1356 $map->last_access ((delete $map->{last_access})
1357 || $cf::RUNTIME); #d#
1358 # safety
1359 $map->{instantiate_time} = $cf::RUNTIME
1360 if $map->{instantiate_time} > $cf::RUNTIME;
1361 } else {
1362 if (my $rmp = $path->random_map_params) {
1363 $map = generate_random_map $key, $rmp;
1364 } else {
1365 $map = try_load_header $path->load_path;
1366 }
1367
1368 $map or return; 1390 or return;
1369 1391
1370 $map->{load_original} = 1;
1371 $map->{instantiate_time} = $cf::RUNTIME;
1372 $map->last_access ($cf::RUNTIME);
1373 $map->instantiate;
1374
1375 # per-player maps become, after loading, normal maps
1376 $map->per_player (0) if $path->{user_rel};
1377 }
1378
1379 $map->path ($key);
1380 $map->{path} = $path;
1381 $map->{last_save} = $cf::RUNTIME; 1392 $map->{last_save} = $cf::RUNTIME;
1382 1393
1383 Coro::cede; 1394 $map->load_header
1395 or return;
1384 1396
1385 if ($map->should_reset) { 1397 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1398 # doing this can freeze the server in a sync job, obviously
1399 #$cf::WAIT_FOR_TICK->wait;
1386 $map->reset; 1400 $map->reset;
1387 undef $guard; 1401 undef $guard;
1388 $map = find $path 1402 return find $path;
1389 or return;
1390 } 1403 }
1391 1404
1392 $cf::MAP{$key} = $map 1405 $cf::MAP{$path} = $map
1393 } 1406 }
1394} 1407}
1408
1409sub pre_load { }
1410sub post_load { }
1395 1411
1396sub load { 1412sub load {
1397 my ($self) = @_; 1413 my ($self) = @_;
1398 1414
1415 local $self->{deny_reset} = 1; # loading can take a long time
1416
1399 my $path = $self->{path}; 1417 my $path = $self->{path};
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1418 my $guard = cf::lock_acquire "map_load:$path";
1401 1419
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1420 return if $self->in_memory != cf::MAP_SWAPPED;
1403 1421
1404 $self->in_memory (cf::MAP_LOADING); 1422 $self->in_memory (cf::MAP_LOADING);
1405 1423
1406 $self->alloc; 1424 $self->alloc;
1425
1426 $self->pre_load;
1427
1407 $self->load_objects ($self->{load_path}, 1) 1428 $self->_load_objects ($self->{load_path}, 1)
1408 or return; 1429 or return;
1409 1430
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1431 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1432 if delete $self->{load_original};
1412 1433
1413 if (my $uniq = $path->uniq_path) { 1434 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1435 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1436 if (aio_open $uniq, O_RDONLY, 0) {
1416 $self->clear_unique_items; 1437 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1438 $self->_load_objects ($uniq, 0);
1418 } 1439 }
1419 } 1440 }
1420 1441
1421 Coro::cede; 1442 Coro::cede;
1422 1443
1423 # now do the right thing for maps 1444 # now do the right thing for maps
1424 $self->link_multipart_objects; 1445 $self->link_multipart_objects;
1425 1446
1426 if ($self->{path}->is_style_map) { 1447 unless ($self->{deny_activate}) {
1427 $self->{deny_save} = 1; 1448 $self->decay_objects;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply; 1449 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons; 1450 $self->update_buttons;
1451 Coro::cede;
1433 $self->set_darkness_map; 1452 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1453 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1454 unless $self->difficulty;
1455 Coro::cede;
1436 $self->activate; 1456 $self->activate;
1437 } 1457 }
1438 1458
1439 Coro::cede; 1459 $self->post_load;
1440 1460
1441 $self->in_memory (cf::MAP_IN_MEMORY); 1461 $self->in_memory (cf::MAP_IN_MEMORY);
1462}
1463
1464sub customise_for {
1465 my ($self, $ob) = @_;
1466
1467 return find "~" . $ob->name . "/" . $self->{path}
1468 if $self->per_player;
1469
1470 $self
1471}
1472
1473# find and load all maps in the 3x3 area around a map
1474sub load_diag {
1475 my ($map) = @_;
1476
1477 my @diag; # diagonal neighbours
1478
1479 for (0 .. 3) {
1480 my $neigh = $map->tile_path ($_)
1481 or next;
1482 $neigh = find $neigh, $map
1483 or next;
1484 $neigh->load;
1485
1486 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1488 }
1489
1490 for (@diag) {
1491 my $neigh = find @$_
1492 or next;
1493 $neigh->load;
1494 }
1442} 1495}
1443 1496
1444sub find_sync { 1497sub find_sync {
1445 my ($path, $origin) = @_; 1498 my ($path, $origin) = @_;
1446 1499
1447 cf::sync_job { cf::map::find $path, $origin } 1500 cf::sync_job { find $path, $origin }
1448} 1501}
1449 1502
1450sub do_load_sync { 1503sub do_load_sync {
1451 my ($map) = @_; 1504 my ($map) = @_;
1452 1505
1453 cf::sync_job { $map->load }; 1506 cf::sync_job { $map->load };
1454} 1507}
1455 1508
1509our %MAP_PREFETCH;
1510our $MAP_PREFETCHER = undef;
1511
1512sub find_async {
1513 my ($path, $origin) = @_;
1514
1515 $path = normalise $path, $origin && $origin->{path};
1516
1517 if (my $map = $cf::MAP{$path}) {
1518 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1519 }
1520
1521 undef $MAP_PREFETCH{$path};
1522 $MAP_PREFETCHER ||= cf::async {
1523 while (%MAP_PREFETCH) {
1524 for my $path (keys %MAP_PREFETCH) {
1525 my $map = find $path
1526 or next;
1527 $map->load;
1528
1529 delete $MAP_PREFETCH{$path};
1530 }
1531 }
1532 undef $MAP_PREFETCHER;
1533 };
1534 $MAP_PREFETCHER->prio (6);
1535
1536 ()
1537}
1538
1456sub save { 1539sub save {
1457 my ($self) = @_; 1540 my ($self) = @_;
1458 1541
1459 my $lock = cf::lock_acquire "map_data:" . $self->path; 1542 my $lock = cf::lock_acquire "map_data:" . $self->path;
1460 1543
1461 $self->{last_save} = $cf::RUNTIME; 1544 $self->{last_save} = $cf::RUNTIME;
1462 1545
1463 return unless $self->dirty; 1546 return unless $self->dirty;
1464 1547
1465 my $save = $self->{path}->save_path; utf8::encode $save; 1548 my $save = $self->save_path; utf8::encode $save;
1466 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1549 my $uniq = $self->uniq_path; utf8::encode $uniq;
1467 1550
1468 $self->{load_path} = $save; 1551 $self->{load_path} = $save;
1469 1552
1470 return if $self->{deny_save}; 1553 return if $self->{deny_save};
1471 1554
1474 cf::async { 1557 cf::async {
1475 $_->contr->save for $self->players; 1558 $_->contr->save for $self->players;
1476 }; 1559 };
1477 1560
1478 if ($uniq) { 1561 if ($uniq) {
1479 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1562 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480 $self->save_objects ($uniq, cf::IO_UNIQUES); 1563 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1481 } else { 1564 } else {
1482 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1565 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483 } 1566 }
1484} 1567}
1485 1568
1486sub swap_out { 1569sub swap_out {
1487 my ($self) = @_; 1570 my ($self) = @_;
1501 1584
1502sub reset_at { 1585sub reset_at {
1503 my ($self) = @_; 1586 my ($self) = @_;
1504 1587
1505 # TODO: safety, remove and allow resettable per-player maps 1588 # TODO: safety, remove and allow resettable per-player maps
1506 return 1e99 if $self->{path}{user_rel}; 1589 return 1e99 if $self->isa ("ext::map_per_player");#d#
1507 return 1e99 if $self->{deny_reset}; 1590 return 1e99 if $self->{deny_reset};
1508 1591
1509 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1592 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1593 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511 1594
1516 my ($self) = @_; 1599 my ($self) = @_;
1517 1600
1518 $self->reset_at <= $cf::RUNTIME 1601 $self->reset_at <= $cf::RUNTIME
1519} 1602}
1520 1603
1521sub unlink_save {
1522 my ($self) = @_;
1523
1524 utf8::encode (my $save = $self->{path}->save_path);
1525 aioreq_pri 3; IO::AIO::aio_unlink $save;
1526 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527}
1528
1529sub rename {
1530 my ($self, $new_path) = @_;
1531
1532 $self->unlink_save;
1533
1534 delete $cf::MAP{$self->path};
1535 $self->{path} = new cf::path $new_path;
1536 $self->path ($self->{path}->as_string);
1537 $cf::MAP{$self->path} = $self;
1538
1539 $self->save;
1540}
1541
1542sub reset { 1604sub reset {
1543 my ($self) = @_; 1605 my ($self) = @_;
1544 1606
1545 my $lock = cf::lock_acquire "map_data:" . $self->path; 1607 my $lock = cf::lock_acquire "map_data:$self->{path}";
1546 1608
1547 return if $self->players; 1609 return if $self->players;
1548 return if $self->{path}{user_rel};#d# 1610 return if $self->isa ("ext::map_per_player");#d#
1549 1611
1550 warn "resetting map ", $self->path;#d# 1612 warn "resetting map ", $self->path;#d#
1551 1613
1552 delete $cf::MAP{$self->path}; 1614 delete $cf::MAP{$self->path};
1615
1616 $self->in_memory (cf::MAP_SWAPPED);
1617 $self->clear;
1553 1618
1554 $_->clear_links_to ($self) for values %cf::MAP; 1619 $_->clear_links_to ($self) for values %cf::MAP;
1555 1620
1556 $self->unlink_save; 1621 $self->unlink_save;
1557 $self->destroy; 1622 $self->destroy;
1560my $nuke_counter = "aaaa"; 1625my $nuke_counter = "aaaa";
1561 1626
1562sub nuke { 1627sub nuke {
1563 my ($self) = @_; 1628 my ($self) = @_;
1564 1629
1630 delete $cf::MAP{$self->path};
1631
1632 $self->unlink_save;
1633
1634 bless $self, "cf::map";
1635 delete $self->{deny_reset};
1565 $self->{deny_save} = 1; 1636 $self->{deny_save} = 1;
1566 $self->reset_timeout (1); 1637 $self->reset_timeout (1);
1567 $self->rename ("{nuke}/" . ($nuke_counter++)); 1638 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639
1640 $cf::MAP{$self->path} = $self;
1641
1568 $self->reset; # polite request, might not happen 1642 $self->reset; # polite request, might not happen
1569} 1643}
1570 1644
1571sub customise_for { 1645=item cf::map::unique_maps
1572 my ($map, $ob) = @_;
1573 1646
1574 if ($map->per_player) { 1647Returns an arrayref of paths of all shared maps that have
1575 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1648instantiated unique items. May block.
1576 }
1577 1649
1578 $map 1650=cut
1651
1652sub unique_maps() {
1653 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1654 or return;
1655
1656 my @paths;
1657
1658 for (@$files) {
1659 utf8::decode $_;
1660 next if /\.pst$/;
1661 next unless /^$PATH_SEP/o;
1662
1663 push @paths, cf::map::normalise $_;
1664 }
1665
1666 \@paths
1579} 1667}
1580 1668
1581package cf; 1669package cf;
1582 1670
1583=back 1671=back
1655 1743
1656=item $player_object->enter_link 1744=item $player_object->enter_link
1657 1745
1658Freezes the player and moves him/her to a special map (C<{link}>). 1746Freezes the player and moves him/her to a special map (C<{link}>).
1659 1747
1660The player should be reaosnably safe there for short amounts of time. You 1748The player should be reasonably safe there for short amounts of time. You
1661I<MUST> call C<leave_link> as soon as possible, though. 1749I<MUST> call C<leave_link> as soon as possible, though.
1662 1750
1751Will never block.
1752
1663=item $player_object->leave_link ($map, $x, $y) 1753=item $player_object->leave_link ($map, $x, $y)
1664 1754
1665Moves the player out of the specila link map onto the given map. If the 1755Moves the player out of the special C<{link}> map onto the specified
1666map is not valid (or omitted), the player will be moved back to the 1756map. If the map is not valid (or omitted), the player will be moved back
1667location he/she was before the call to C<enter_link>, or, if that fails, 1757to the location he/she was before the call to C<enter_link>, or, if that
1668to the emergency map position. 1758fails, to the emergency map position.
1669 1759
1670Might block. 1760Might block.
1671 1761
1672=cut 1762=cut
1763
1764sub link_map {
1765 unless ($LINK_MAP) {
1766 $LINK_MAP = cf::map::find "{link}"
1767 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1768 $LINK_MAP->load;
1769 }
1770
1771 $LINK_MAP
1772}
1673 1773
1674sub cf::object::player::enter_link { 1774sub cf::object::player::enter_link {
1675 my ($self) = @_; 1775 my ($self) = @_;
1676 1776
1677 $self->deactivate_recursive; 1777 $self->deactivate_recursive;
1678 1778
1679 return if $self->map == $LINK_MAP; 1779 return if UNIVERSAL::isa $self->map, "ext::map_link";
1680 1780
1681 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1781 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682 if $self->map; 1782 if $self->map;
1683 1783
1684 $self->enter_map ($LINK_MAP, 20, 20); 1784 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1685} 1785}
1686 1786
1687sub cf::object::player::leave_link { 1787sub cf::object::player::leave_link {
1688 my ($self, $map, $x, $y) = @_; 1788 my ($self, $map, $x, $y) = @_;
1689 1789
1707 # use -1 or undef as default coordinates, not 0, 0 1807 # use -1 or undef as default coordinates, not 0, 0
1708 ($x, $y) = ($map->enter_x, $map->enter_y) 1808 ($x, $y) = ($map->enter_x, $map->enter_y)
1709 if $x <=0 && $y <= 0; 1809 if $x <=0 && $y <= 0;
1710 1810
1711 $map->load; 1811 $map->load;
1812 $map->load_diag;
1712 1813
1713 return unless $self->contr->active; 1814 return unless $self->contr->active;
1714 $self->activate_recursive; 1815 $self->activate_recursive;
1715 $self->enter_map ($map, $x, $y); 1816 $self->enter_map ($map, $x, $y);
1716} 1817}
1752=cut 1853=cut
1753 1854
1754sub cf::object::player::goto { 1855sub cf::object::player::goto {
1755 my ($self, $path, $x, $y) = @_; 1856 my ($self, $path, $x, $y) = @_;
1756 1857
1757 $path = new cf::path $path;
1758 $path ne "/" or Carp::cluck ("oy");#d#
1759
1760 $self->enter_link; 1858 $self->enter_link;
1761 1859
1762 (async { 1860 (async {
1861 my $map = eval {
1763 my $map = cf::map::find $path->as_string; 1862 my $map = cf::map::find $path;
1764 $map = $map->customise_for ($self) if $map; 1863 $map = $map->customise_for ($self) if $map;
1765 1864 $map
1766# warn "entering ", $map->path, " at ($x, $y)\n" 1865 } or
1767# if $map;
1768
1769 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1866 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770 1867
1771 $self->leave_link ($map, $x, $y); 1868 $self->leave_link ($map, $x, $y);
1772 })->prio (1); 1869 })->prio (1);
1773} 1870}
1774 1871
1778 1875
1779sub parse_random_map_params { 1876sub parse_random_map_params {
1780 my ($spec) = @_; 1877 my ($spec) = @_;
1781 1878
1782 my $rmp = { # defaults 1879 my $rmp = { # defaults
1783 xsize => 10, 1880 xsize => (cf::rndm 15, 40),
1784 ysize => 10, 1881 ysize => (cf::rndm 15, 40),
1882 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1883 #layout => string,
1785 }; 1884 };
1786 1885
1787 for (split /\n/, $spec) { 1886 for (split /\n/, $spec) {
1788 my ($k, $v) = split /\s+/, $_, 2; 1887 my ($k, $v) = split /\s+/, $_, 2;
1789 1888
1793 $rmp 1892 $rmp
1794} 1893}
1795 1894
1796sub prepare_random_map { 1895sub prepare_random_map {
1797 my ($exit) = @_; 1896 my ($exit) = @_;
1897
1898 my $guard = cf::lock_acquire "exit_prepare:$exit";
1798 1899
1799 # all this does is basically replace the /! path by 1900 # all this does is basically replace the /! path by
1800 # a new random map path (?random/...) with a seed 1901 # a new random map path (?random/...) with a seed
1801 # that depends on the exit object 1902 # that depends on the exit object
1802 1903
1803 my $rmp = parse_random_map_params $exit->msg; 1904 my $rmp = parse_random_map_params $exit->msg;
1804 1905
1805 if ($exit->map) { 1906 if ($exit->map) {
1806 $rmp->{region} = $exit->map->region_name; 1907 $rmp->{region} = $exit->region->name;
1807 $rmp->{origin_map} = $exit->map->path; 1908 $rmp->{origin_map} = $exit->map->path;
1808 $rmp->{origin_x} = $exit->x; 1909 $rmp->{origin_x} = $exit->x;
1809 $rmp->{origin_y} = $exit->y; 1910 $rmp->{origin_y} = $exit->y;
1810 } 1911 }
1811 1912
1812 $rmp->{random_seed} ||= $exit->random_seed; 1913 $rmp->{random_seed} ||= $exit->random_seed;
1813 1914
1814 my $data = cf::to_json $rmp; 1915 my $data = cf::to_json $rmp;
1815 my $md5 = Digest::MD5::md5_hex $data; 1916 my $md5 = Digest::MD5::md5_hex $data;
1917 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1816 1918
1817 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1919 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818 aio_write $fh, 0, (length $data), $data, 0; 1920 aio_write $fh, 0, (length $data), $data, 0;
1921 undef $fh;
1922 aio_rename "$meta~", $meta;
1819 1923
1820 $exit->slaying ("?random/$md5"); 1924 $exit->slaying ("?random/$md5");
1821 $exit->msg (undef); 1925 $exit->msg (undef);
1822 } 1926 }
1823} 1927}
1824 1928
1825sub cf::object::player::enter_exit { 1929sub cf::object::player::enter_exit {
1826 my ($self, $exit) = @_; 1930 my ($self, $exit) = @_;
1827 1931
1828 return unless $self->type == cf::PLAYER; 1932 return unless $self->type == cf::PLAYER;
1933
1934 if ($exit->slaying eq "/!") {
1935 #TODO: this should de-fi-ni-te-ly not be a sync-job
1936 cf::sync_job { prepare_random_map $exit };
1937 }
1938
1939 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940 my $hp = $exit->stats->hp;
1941 my $sp = $exit->stats->sp;
1829 1942
1830 $self->enter_link; 1943 $self->enter_link;
1831 1944
1832 (async { 1945 (async {
1833 $self->deactivate_recursive; # just to be sure 1946 $self->deactivate_recursive; # just to be sure
1834 unless (eval { 1947 unless (eval {
1835 prepare_random_map $exit 1948 $self->goto ($slaying, $hp, $sp);
1836 if $exit->slaying eq "/!";
1837
1838 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840 1949
1841 1; 1950 1;
1842 }) { 1951 }) {
1843 $self->message ("Something went wrong deep within the crossfire server. " 1952 $self->message ("Something went wrong deep within the crossfire server. "
1844 . "I'll try to bring you back to the map you were before. " 1953 . "I'll try to bring you back to the map you were before. "
1845 . "Please report this to the dungeon master", 1954 . "Please report this to the dungeon master!",
1846 cf::NDI_UNIQUE | cf::NDI_RED); 1955 cf::NDI_UNIQUE | cf::NDI_RED);
1847 1956
1848 warn "ERROR in enter_exit: $@"; 1957 warn "ERROR in enter_exit: $@";
1849 $self->leave_link; 1958 $self->leave_link;
1850 } 1959 }
1905 # get handled first 2014 # get handled first
1906 my $queue = delete $ns->{query_queue} 2015 my $queue = delete $ns->{query_queue}
1907 or return; # be conservative, not sure how that can happen, but we saw a crash here 2016 or return; # be conservative, not sure how that can happen, but we saw a crash here
1908 2017
1909 (shift @$queue)->[1]->($msg); 2018 (shift @$queue)->[1]->($msg);
2019 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910 2020
1911 push @{ $ns->{query_queue} }, @$queue; 2021 push @{ $ns->{query_queue} }, @$queue;
1912 2022
1913 if (@{ $ns->{query_queue} } == @$queue) { 2023 if (@{ $ns->{query_queue} } == @$queue) {
1914 if (@$queue) { 2024 if (@$queue) {
2075The parameter C<$family> should best start with the name of the extension 2185The parameter C<$family> should best start with the name of the extension
2076using it, it should be unique. 2186using it, it should be unique.
2077 2187
2078=over 4 2188=over 4
2079 2189
2080=item $hashref = cf::db_get $family
2081
2082Return a hashref for use by the extension C<$family>, which can be
2083modified. After modifications, you have to call C<cf::db_dirty> or
2084C<cf::db_sync>.
2085
2086=item $value = cf::db_get $family => $key 2190=item $value = cf::db_get $family => $key
2087 2191
2088Returns a single value from the database 2192Returns a single value from the database.
2089
2090=item cf::db_put $family => $hashref
2091
2092Stores the given family hashref into the database. Updates are delayed, if
2093you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094 2193
2095=item cf::db_put $family => $key => $value 2194=item cf::db_put $family => $key => $value
2096 2195
2097Stores the given C<$value> in the family hash. Updates are delayed, if you 2196Stores the given C<$value> in the family.
2098want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100=item cf::db_dirty
2101
2102Marks the database as dirty, to be updated at a later time.
2103
2104=item cf::db_sync
2105
2106Immediately write the database to disk I<if it is dirty>.
2107 2197
2108=cut 2198=cut
2109 2199
2110our $DB; 2200our $DB;
2111 2201
2112{ 2202sub db_load() {
2203 unless ($DB) {
2204 $DB = BDB::db_create $DB_ENV;
2205
2206 cf::sync_job {
2207 eval {
2208 $DB->set_flags (BDB::CHKSUM);
2209
2210 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2211 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212 cf::cleanup "db_open(db): $!" if $!;
2213 };
2214 cf::cleanup "db_open(db): $@" if $@;
2215 };
2216
2113 my $path = cf::localdir . "/database.pst"; 2217 my $path = cf::localdir . "/database.pst";
2218 if (stat $path) {
2219 cf::sync_job {
2220 my $pst = Storable::retrieve $path;
2114 2221
2115 sub db_load() { 2222 cf::db_put (board => data => $pst->{board});
2116 $DB = stat $path ? Storable::retrieve $path : { }; 2223 cf::db_put (guildrules => data => $pst->{guildrules});
2117 } 2224 cf::db_put (rent => balance => $pst->{rent}{balance});
2225 BDB::db_env_txn_checkpoint $DB_ENV;
2118 2226
2119 my $pid; 2227 unlink $path;
2120
2121 sub db_save() {
2122 waitpid $pid, 0 if $pid;
2123 if (0 == ($pid = fork)) {
2124 $DB->{_meta}{version} = 1;
2125 Storable::nstore $DB, "$path~";
2126 rename "$path~", $path;
2127 cf::_exit 0 if defined $pid;
2128 } 2228 };
2129 }
2130
2131 my $dirty;
2132
2133 sub db_sync() {
2134 db_save if $dirty;
2135 undef $dirty;
2136 }
2137
2138 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139 db_sync;
2140 });
2141
2142 sub db_dirty() {
2143 $dirty = 1;
2144 $idle->start;
2145 }
2146
2147 sub db_get($;$) {
2148 @_ >= 2
2149 ? $DB->{$_[0]}{$_[1]}
2150 : ($DB->{$_[0]} ||= { })
2151 }
2152
2153 sub db_put($$;$) {
2154 if (@_ >= 3) {
2155 $DB->{$_[0]}{$_[1]} = $_[2];
2156 } else {
2157 $DB->{$_[0]} = $_[1];
2158 }
2159 db_dirty;
2160 }
2161
2162 cf::global->attach (
2163 prio => 10000,
2164 on_cleanup => sub {
2165 db_sync;
2166 }, 2229 }
2167 ); 2230 }
2231}
2232
2233sub db_get($$) {
2234 my $key = "$_[0]/$_[1]";
2235
2236 cf::sync_job {
2237 BDB::db_get $DB, undef, $key, my $data;
2238
2239 $! ? ()
2240 : Compress::LZF::sthaw $data
2241 }
2242}
2243
2244sub db_put($$$) {
2245 BDB::dbreq_pri 4;
2246 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2168} 2247}
2169 2248
2170############################################################################# 2249#############################################################################
2171# the server's main() 2250# the server's init and main functions
2251
2252sub load_resources {
2253 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2254 or die "unable to load regions file\n";#d#
2255}
2172 2256
2173sub cfg_load { 2257sub cfg_load {
2174 open my $fh, "<:utf8", cf::confdir . "/config" 2258 open my $fh, "<:utf8", cf::confdir . "/config"
2175 or return; 2259 or return;
2176 2260
2189 }; 2273 };
2190 warn $@ if $@; 2274 warn $@ if $@;
2191 } 2275 }
2192} 2276}
2193 2277
2278sub init {
2279 load_resources;
2280}
2281
2194sub main { 2282sub main {
2195 # we must not ever block the main coroutine 2283 # we must not ever block the main coroutine
2196 local $Coro::idle = sub { 2284 local $Coro::idle = sub {
2197 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2285 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2286 (async {
2198 async { Event::one_event }; 2287 Event::one_event;
2288 })->prio (Coro::PRIO_MAX);
2199 }; 2289 };
2200 2290
2201 cfg_load; 2291 cfg_load;
2202 db_load; 2292 db_load;
2203 load_extensions; 2293 load_extensions;
2294
2295 $TICK_WATCHER->start;
2204 Event::loop; 2296 Event::loop;
2205} 2297}
2206 2298
2207############################################################################# 2299#############################################################################
2208# initialisation and cleanup 2300# initialisation and cleanup
2209 2301
2210# install some emergency cleanup handlers 2302# install some emergency cleanup handlers
2211BEGIN { 2303BEGIN {
2212 for my $signal (qw(INT HUP TERM)) { 2304 for my $signal (qw(INT HUP TERM)) {
2213 Event->signal ( 2305 Event->signal (
2306 reentrant => 0,
2214 data => WF_AUTOCANCEL, 2307 data => WF_AUTOCANCEL,
2215 signal => $signal, 2308 signal => $signal,
2309 prio => 0,
2216 cb => sub { 2310 cb => sub {
2217 cf::cleanup "SIG$signal"; 2311 cf::cleanup "SIG$signal";
2218 }, 2312 },
2219 ); 2313 );
2220 } 2314 }
2221} 2315}
2226 warn "enter emergency perl save\n"; 2320 warn "enter emergency perl save\n";
2227 2321
2228 cf::sync_job { 2322 cf::sync_job {
2229 # use a peculiar iteration method to avoid tripping on perl 2323 # use a peculiar iteration method to avoid tripping on perl
2230 # refcount bugs in for. also avoids problems with players 2324 # refcount bugs in for. also avoids problems with players
2231 # and maps saved/Destroyed asynchronously. 2325 # and maps saved/destroyed asynchronously.
2232 warn "begin emergency player save\n"; 2326 warn "begin emergency player save\n";
2233 for my $login (keys %cf::PLAYER) { 2327 for my $login (keys %cf::PLAYER) {
2234 my $pl = $cf::PLAYER{$login} or next; 2328 my $pl = $cf::PLAYER{$login} or next;
2235 $pl->valid or next; 2329 $pl->valid or next;
2236 $pl->save; 2330 $pl->save;
2242 my $map = $cf::MAP{$path} or next; 2336 my $map = $cf::MAP{$path} or next;
2243 $map->valid or next; 2337 $map->valid or next;
2244 $map->save; 2338 $map->save;
2245 } 2339 }
2246 warn "end emergency map save\n"; 2340 warn "end emergency map save\n";
2341
2342 warn "begin emergency database checkpoint\n";
2343 BDB::db_env_txn_checkpoint $DB_ENV;
2344 warn "end emergency database checkpoint\n";
2247 }; 2345 };
2248 2346
2249 warn "leave emergency perl save\n"; 2347 warn "leave emergency perl save\n";
2250} 2348}
2251 2349
2252sub reload() { 2350sub reload() {
2253 # can/must only be called in main 2351 # can/must only be called in main
2254 if ($Coro::current != $Coro::main) { 2352 if ($Coro::current != $Coro::main) {
2255 warn "can only reload from main coroutine\n"; 2353 warn "can only reload from main coroutine";
2256 return; 2354 return;
2257 } 2355 }
2258 2356
2259 warn "reloading..."; 2357 warn "reloading...";
2260 2358
2261 my $guard = freeze_mainloop; 2359 warn "cancelling server ticker";
2360 $TICK_WATCHER->cancel;
2361
2262 cf::emergency_save; 2362 cf::emergency_save;
2263 2363
2264 eval { 2364 eval {
2265 # if anything goes wrong in here, we should simply crash as we already saved 2365 # if anything goes wrong in here, we should simply crash as we already saved
2266 2366
2267 # cancel all watchers 2367 warn "cancelling all WF_AUTOCANCEL watchers";
2268 for (Event::all_watchers) { 2368 for (Event::all_watchers) {
2269 $_->cancel if $_->data & WF_AUTOCANCEL; 2369 $_->cancel if $_->data & WF_AUTOCANCEL;
2270 } 2370 }
2271 2371
2372 warn "syncing database to disk";
2373 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374
2375 warn "flushing outstanding aio requests";
2376 for (;;) {
2377 BDB::flush;
2378 IO::AIO::flush;
2379 Coro::cede;
2380 last unless IO::AIO::nreqs || BDB::nreqs;
2381 warn "iterate...";
2382 }
2383
2272 # cancel all extension coros 2384 warn "cancelling all extension coros";
2273 $_->cancel for values %EXT_CORO; 2385 $_->cancel for values %EXT_CORO;
2274 %EXT_CORO = (); 2386 %EXT_CORO = ();
2275 2387
2276 # unload all extensions 2388 warn "removing commands";
2277 for (@exts) { 2389 %COMMAND = ();
2390
2391 warn "removing ext commands";
2392 %EXTCMD = ();
2393
2394 warn "unloading/nuking all extensions";
2395 for my $pkg (@EXTS) {
2278 warn "unloading <$_>"; 2396 warn "... unloading $pkg";
2279 unload_extension $_; 2397
2398 if (my $cb = $pkg->can ("unload")) {
2399 eval {
2400 $cb->($pkg);
2401 1
2402 } or warn "$pkg unloaded, but with errors: $@";
2280 } 2403 }
2281 2404
2405 warn "... nuking $pkg";
2406 Symbol::delete_package $pkg;
2407 }
2408
2282 # unload all modules loaded from $LIBDIR 2409 warn "unloading all perl modules loaded from $LIBDIR";
2283 while (my ($k, $v) = each %INC) { 2410 while (my ($k, $v) = each %INC) {
2284 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2411 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285 2412
2286 warn "removing <$k>"; 2413 warn "... unloading $k";
2287 delete $INC{$k}; 2414 delete $INC{$k};
2288 2415
2289 $k =~ s/\.pm$//; 2416 $k =~ s/\.pm$//;
2290 $k =~ s/\//::/g; 2417 $k =~ s/\//::/g;
2291 2418
2294 } 2421 }
2295 2422
2296 Symbol::delete_package $k; 2423 Symbol::delete_package $k;
2297 } 2424 }
2298 2425
2299 # sync database to disk
2300 cf::db_sync;
2301 IO::AIO::flush;
2302
2303 # get rid of safe::, as good as possible 2426 warn "getting rid of safe::, as good as possible";
2304 Symbol::delete_package "safe::$_" 2427 Symbol::delete_package "safe::$_"
2305 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2428 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306 2429
2307 # remove register_script_function callbacks
2308 # TODO
2309
2310 # unload cf.pm "a bit" 2430 warn "unloading cf.pm \"a bit\"";
2311 delete $INC{"cf.pm"}; 2431 delete $INC{"cf.pm"};
2312 2432
2313 # don't, removes xs symbols, too, 2433 # don't, removes xs symbols, too,
2314 # and global variables created in xs 2434 # and global variables created in xs
2315 #Symbol::delete_package __PACKAGE__; 2435 #Symbol::delete_package __PACKAGE__;
2316 2436
2317 # reload cf.pm 2437 warn "unload completed, starting to reload now";
2438
2318 warn "reloading cf.pm"; 2439 warn "reloading cf.pm";
2319 require cf; 2440 require cf;
2320 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2441 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321 2442
2322 # load config and database again 2443 warn "loading config and database again";
2323 cf::cfg_load; 2444 cf::cfg_load;
2324 cf::db_load; 2445 cf::db_load;
2325 2446
2326 # load extensions
2327 warn "load extensions"; 2447 warn "loading extensions";
2328 cf::load_extensions; 2448 cf::load_extensions;
2329 2449
2330 # reattach attachments to objects 2450 warn "reattaching attachments to objects/players";
2331 warn "reattach";
2332 _global_reattach; 2451 _global_reattach;
2452 warn "reattaching attachments to maps";
2333 reattach $_ for values %MAP; 2453 reattach $_ for values %MAP;
2454
2455 warn "loading reloadable resources";
2456 load_resources;
2457
2458 warn "restarting server ticker";
2459
2460 $TICK_WATCHER->start;
2334 }; 2461 };
2335 2462
2336 if ($@) { 2463 if ($@) {
2337 warn $@; 2464 warn $@;
2338 warn "error while reloading, exiting."; 2465 warn "error while reloading, exiting.";
2339 exit 1; 2466 exit 1;
2340 } 2467 }
2341 2468
2342 warn "reloaded successfully"; 2469 warn "reloaded";
2343}; 2470};
2344 2471
2345############################################################################# 2472our $RELOAD_WATCHER; # used only during reload
2346
2347unless ($LINK_MAP) {
2348 $LINK_MAP = cf::map::new;
2349
2350 $LINK_MAP->width (41);
2351 $LINK_MAP->height (41);
2352 $LINK_MAP->alloc;
2353 $LINK_MAP->path ("{link}");
2354 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357 # dirty hack because... archetypes are not yet loaded
2358 Event->timer (
2359 after => 10,
2360 cb => sub {
2361 $_[0]->w->cancel;
2362
2363 # provide some exits "home"
2364 my $exit = cf::object::new "exit";
2365
2366 $exit->slaying ($EMERGENCY_POSITION->[0]);
2367 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370 $LINK_MAP->insert ($exit->clone, 19, 19);
2371 $LINK_MAP->insert ($exit->clone, 19, 20);
2372 $LINK_MAP->insert ($exit->clone, 19, 21);
2373 $LINK_MAP->insert ($exit->clone, 20, 19);
2374 $LINK_MAP->insert ($exit->clone, 20, 21);
2375 $LINK_MAP->insert ($exit->clone, 21, 19);
2376 $LINK_MAP->insert ($exit->clone, 21, 20);
2377 $LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379 $exit->destroy;
2380 });
2381
2382 $LINK_MAP->{deny_save} = 1;
2383 $LINK_MAP->{deny_reset} = 1;
2384
2385 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386}
2387
2388register "<global>", __PACKAGE__;
2389 2473
2390register_command "reload" => sub { 2474register_command "reload" => sub {
2391 my ($who, $arg) = @_; 2475 my ($who, $arg) = @_;
2392 2476
2393 if ($who->flag (FLAG_WIZ)) { 2477 if ($who->flag (FLAG_WIZ)) {
2394 $who->message ("start of reload."); 2478 $who->message ("reloading server.");
2479
2480 # doing reload synchronously and two reloads happen back-to-back,
2481 # coro crashes during coro_state_free->destroy here.
2482
2483 $RELOAD_WATCHER ||= Event->timer (
2484 reentrant => 0,
2485 after => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => sub {
2395 reload; 2488 reload;
2396 $who->message ("end of reload."); 2489 undef $RELOAD_WATCHER;
2490 },
2491 );
2397 } 2492 }
2398}; 2493};
2399 2494
2400unshift @INC, $LIBDIR; 2495unshift @INC, $LIBDIR;
2496
2497my $bug_warning = 0;
2401 2498
2402$TICK_WATCHER = Event->timer ( 2499$TICK_WATCHER = Event->timer (
2403 reentrant => 0, 2500 reentrant => 0,
2501 parked => 1,
2404 prio => 0, 2502 prio => 0,
2405 at => $NEXT_TICK || $TICK, 2503 at => $NEXT_TICK || $TICK,
2406 data => WF_AUTOCANCEL, 2504 data => WF_AUTOCANCEL,
2407 cb => sub { 2505 cb => sub {
2506 if ($Coro::current != $Coro::main) {
2507 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508 unless ++$bug_warning > 10;
2509 return;
2510 }
2511
2512 $NOW = Event::time;
2513
2408 cf::server_tick; # one server iteration 2514 cf::server_tick; # one server iteration
2409 $RUNTIME += $TICK; 2515 $RUNTIME += $TICK;
2410 $NEXT_TICK += $TICK; 2516 $NEXT_TICK += $TICK;
2411 2517
2412 $WAIT_FOR_TICK->broadcast; 2518 $WAIT_FOR_TICK->broadcast;
2413 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2519 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2520
2521 Event::sweep;
2522 Coro::cede_notself;
2523
2524# my $AFTER = Event::time;
2525# warn $AFTER - $NOW;#d#
2414 2526
2415 # if we are delayed by four ticks or more, skip them all 2527 # if we are delayed by four ticks or more, skip them all
2416 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2528 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417 2529
2418 $TICK_WATCHER->at ($NEXT_TICK); 2530 $TICK_WATCHER->at ($NEXT_TICK);
2419 $TICK_WATCHER->start; 2531 $TICK_WATCHER->start;
2420 }, 2532 },
2421); 2533);
2422 2534
2535{
2536 BDB::max_poll_time $TICK * 0.1;
2537 $BDB_POLL_WATCHER = Event->io (
2538 reentrant => 0,
2539 fd => BDB::poll_fileno,
2540 poll => 'r',
2541 prio => 0,
2542 data => WF_AUTOCANCEL,
2543 cb => \&BDB::poll_cb,
2544 );
2545 BDB::min_parallel 8;
2546
2547 BDB::set_sync_prepare {
2548 my $status;
2549 my $current = $Coro::current;
2550 (
2551 sub {
2552 $status = $!;
2553 $current->ready; undef $current;
2554 },
2555 sub {
2556 Coro::schedule while defined $current;
2557 $! = $status;
2558 },
2559 )
2560 };
2561
2562 unless ($DB_ENV) {
2563 $DB_ENV = BDB::db_env_create;
2564
2565 cf::sync_job {
2566 eval {
2567 BDB::db_env_open
2568 $DB_ENV,
2569 $BDB_ENV_DIR,
2570 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2571 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572 0666;
2573
2574 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2575
2576 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2577 $DB_ENV->set_lk_detect;
2578 };
2579
2580 cf::cleanup "db_env_open(db): $@" if $@;
2581 };
2582 }
2583}
2584
2585{
2586 IO::AIO::min_parallel 8;
2587
2588 undef $Coro::AIO::WATCHER;
2423IO::AIO::max_poll_time $TICK * 0.2; 2589 IO::AIO::max_poll_time $TICK * 0.1;
2424 2590 $AIO_POLL_WATCHER = Event->io (
2425Event->io ( 2591 reentrant => 0,
2426 fd => IO::AIO::poll_fileno, 2592 fd => IO::AIO::poll_fileno,
2427 poll => 'r', 2593 poll => 'r',
2428 prio => 5, 2594 prio => 6,
2429 data => WF_AUTOCANCEL, 2595 data => WF_AUTOCANCEL,
2430 cb => \&IO::AIO::poll_cb, 2596 cb => \&IO::AIO::poll_cb,
2431); 2597 );
2598}
2432 2599
2433Event->timer ( 2600$WRITE_RUNTIME_WATCHER = Event->timer (
2601 reentrant => 0,
2434 data => WF_AUTOCANCEL, 2602 data => WF_AUTOCANCEL,
2435 after => 0, 2603 after => 1,
2436 interval => 10, 2604 interval => 10,
2437 cb => sub { 2605 prio => 6, # keep it lowest so it acts like a watchdog
2438 (Coro::unblock_sub { 2606 cb => Coro::unblock_sub {
2439 write_runtime 2607 write_runtime
2440 or warn "ERROR: unable to write runtime file: $!"; 2608 or warn "ERROR: unable to write runtime file: $!";
2441 })->();
2442 }, 2609 },
2443); 2610);
2444 2611
2445END { cf::emergency_save } 2612END { cf::emergency_save }
2446 2613

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