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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.211 by root, Tue Feb 13 16:23:32 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(&) {
… …
338 356
339 $coro 357 $coro
340} 358}
341 359
342sub write_runtime { 360sub write_runtime {
361 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362
343 my $runtime = cf::localdir . "/runtime"; 363 my $runtime = cf::localdir . "/runtime";
344 364
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 365 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346 or return; 366 or return;
347 367
368 my $value = $cf::RUNTIME + 90 + 10;
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 369 # 10 is the runtime save interval, for a monotonic clock
370 # 60 allows for the watchdog to kill the server.
371
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0 372 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return; 373 and return;
351 374
375 # always fsync - this file is important
352 aio_fsync $fh 376 aio_fsync $fh
353 and return; 377 and return;
354 378
355 close $fh 379 close $fh
356 or return; 380 or return;
… …
362} 386}
363 387
364=back 388=back
365 389
366=cut 390=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;
489 391
490############################################################################# 392#############################################################################
491 393
492=head2 ATTACHABLE OBJECTS 394=head2 ATTACHABLE OBJECTS
493 395
… …
619our @CB_TYPE = (); # registry for type (cf-object class) based events 521our @CB_TYPE = (); # registry for type (cf-object class) based events
620our @CB_MAP = (); 522our @CB_MAP = ();
621 523
622my %attachment; 524my %attachment;
623 525
526sub cf::attachable::thawer_merge {
527 # simply override everything except _meta
528 local $_[0]{_meta};
529 %{$_[0]} = %{$_[1]};
530}
531
624sub _attach_cb($$$$) { 532sub _attach_cb($$$$) {
625 my ($registry, $event, $prio, $cb) = @_; 533 my ($registry, $event, $prio, $cb) = @_;
626 534
627 use sort 'stable'; 535 use sort 'stable';
628 536
… …
799# object support 707# object support
800 708
801sub reattach { 709sub reattach {
802 # basically do the same as instantiate, without calling instantiate 710 # basically do the same as instantiate, without calling instantiate
803 my ($obj) = @_; 711 my ($obj) = @_;
712
713 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804 714
805 my $registry = $obj->registry; 715 my $registry = $obj->registry;
806 716
807 @$registry = (); 717 @$registry = ();
808 718
… …
855 $filename, length $$rdata, scalar @$objs; 765 $filename, length $$rdata, scalar @$objs;
856 766
857 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 767 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858 chmod SAVE_MODE, $fh; 768 chmod SAVE_MODE, $fh;
859 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 769 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860 aio_fsync $fh; 770 aio_fsync $fh if $cf::USE_FSYNC;
861 close $fh; 771 close $fh;
862 772
863 if (@$objs) { 773 if (@$objs) {
864 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 774 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865 chmod SAVE_MODE, $fh; 775 chmod SAVE_MODE, $fh;
866 my $data = Storable::nfreeze { version => 1, objs => $objs }; 776 my $data = Storable::nfreeze { version => 1, objs => $objs };
867 aio_write $fh, 0, (length $data), $data, 0; 777 aio_write $fh, 0, (length $data), $data, 0;
868 aio_fsync $fh; 778 aio_fsync $fh if $cf::USE_FSYNC;
869 close $fh; 779 close $fh;
870 aio_rename "$filename.pst~", "$filename.pst"; 780 aio_rename "$filename.pst~", "$filename.pst";
871 } 781 }
872 } else { 782 } else {
873 aio_unlink "$filename.pst"; 783 aio_unlink "$filename.pst";
… …
879 } 789 }
880 } else { 790 } else {
881 aio_unlink $filename; 791 aio_unlink $filename;
882 aio_unlink "$filename.pst"; 792 aio_unlink "$filename.pst";
883 } 793 }
794
795 #d##TODO# nuke non .map-files if exist
796 if ($filename =~ s/\.map$//) {
797 aio_unlink $filename;
798 aio_unlink "$filename.pst";
799 }
884 } 800 }
885} 801}
886 802
887sub object_freezer_as_string { 803sub object_freezer_as_string {
888 my ($rdata, $objs) = @_; 804 my ($rdata, $objs) = @_;
… …
894 810
895sub object_thawer_load { 811sub object_thawer_load {
896 my ($filename) = @_; 812 my ($filename) = @_;
897 813
898 my ($data, $av); 814 my ($data, $av);
815
816 #d#TODO remove .map if file does not exist
817 aio_stat $filename and $filename =~ s/\.map$//;
899 818
900 (aio_load $filename, $data) >= 0 819 (aio_load $filename, $data) >= 0
901 or return; 820 or return;
902 821
903 unless (aio_stat "$filename.pst") { 822 unless (aio_stat "$filename.pst") {
… …
940=cut 859=cut
941 860
942sub register_extcmd { 861sub register_extcmd {
943 my ($name, $cb) = @_; 862 my ($name, $cb) = @_;
944 863
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 864 $EXTCMD{$name} = $cb;
949} 865}
950 866
951cf::player->attach ( 867cf::player->attach (
952 on_command => sub { 868 on_command => sub {
953 my ($pl, $name, $params) = @_; 869 my ($pl, $name, $params) = @_;
… …
966 882
967 my $msg = eval { from_json $buf }; 883 my $msg = eval { from_json $buf };
968 884
969 if (ref $msg) { 885 if (ref $msg) {
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 886 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 887 if (my %reply = $cb->($pl, $msg)) {
972 $pl->ext_reply ($msg->{msgid}, %reply); 888 $pl->ext_reply ($msg->{msgid}, %reply);
973 } 889 }
974 } 890 }
975 } else { 891 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 892 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
… …
978 894
979 cf::override; 895 cf::override;
980 }, 896 },
981); 897);
982 898
983sub register {
984 my ($base, $pkg) = @_;
985
986 #TODO
987}
988
989sub load_extension { 899sub load_extension {
990 my ($path) = @_; 900 my ($path) = @_;
991 901
992 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 902 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
993 my $base = $1; 903 my $base = $1;
994 my $pkg = $1; 904 my $pkg = $1;
995 $pkg =~ s/[^[:word:]]/_/g; 905 $pkg =~ s/[^[:word:]]/_/g;
996 $pkg = "ext::$pkg"; 906 $pkg = "ext::$pkg";
997 907
998 warn "loading '$path' into '$pkg'\n"; 908 warn "... loading '$path' into '$pkg'\n";
999 909
1000 open my $fh, "<:utf8", $path 910 open my $fh, "<:utf8", $path
1001 or die "$path: $!"; 911 or die "$path: $!";
1002 912
1003 my $source = 913 my $source =
1004 "package $pkg; use strict; use utf8;\n" 914 "package $pkg; use strict; use utf8;\n"
1005 . "#line 1 \"$path\"\n{\n" 915 . "#line 1 \"$path\"\n{\n"
1006 . (do { local $/; <$fh> }) 916 . (do { local $/; <$fh> })
1007 . "\n};\n1"; 917 . "\n};\n1";
1008 918
1009 eval $source 919 unless (eval $source) {
1010 or die $@ ? "$path: $@\n" 920 my $msg = $@ ? "$path: $@\n"
1011 : "extension disabled.\n"; 921 : "extension disabled.\n";
1012 922 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013 push @exts, $pkg; 923 warn $@;
1014 $ext_pkg{$base} = $pkg; 924 warn "mandatory extension failed to load, exiting.\n";
1015 925 exit 1;
1016# no strict 'refs'; 926 }
1017# @{"$pkg\::ISA"} = ext::; 927 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# } 928 }
1032 929
1033 # remove commands 930 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} 931}
1058 932
1059sub load_extensions { 933sub load_extensions {
1060 for my $ext (<$LIBDIR/*.ext>) { 934 for my $ext (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 935 next unless -r $ext;
… …
1065 } or warn "$ext not loaded: $@"; 939 } or warn "$ext not loaded: $@";
1066 } 940 }
1067} 941}
1068 942
1069############################################################################# 943#############################################################################
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 944
1085=head2 CORE EXTENSIONS 945=head2 CORE EXTENSIONS
1086 946
1087Functions and methods that extend core crossfire objects. 947Functions and methods that extend core crossfire objects.
1088 948
… …
1124 984
1125sub exists($) { 985sub exists($) {
1126 my ($login) = @_; 986 my ($login) = @_;
1127 987
1128 $cf::PLAYER{$login} 988 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 989 or cf::sync_job { !aio_stat path $login }
1130} 990}
1131 991
1132sub find($) { 992sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 993 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 994 my $login = $_[0];
… …
1224 \@logins 1084 \@logins
1225} 1085}
1226 1086
1227=item $player->maps 1087=item $player->maps
1228 1088
1229Returns an arrayref of cf::path's of all maps that are private for this 1089Returns an arrayref of map paths that are private for this
1230player. May block. 1090player. May block.
1231 1091
1232=cut 1092=cut
1233 1093
1234sub maps($) { 1094sub maps($) {
1235 my ($pl) = @_; 1095 my ($pl) = @_;
1096
1097 $pl = ref $pl ? $pl->ob->name : $pl;
1236 1098
1237 my $files = aio_readdir playerdir $pl 1099 my $files = aio_readdir playerdir $pl
1238 or return; 1100 or return;
1239 1101
1240 my @paths; 1102 my @paths;
1241 1103
1242 for (@$files) { 1104 for (@$files) {
1243 utf8::decode $_; 1105 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1106 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1107 next unless /^$PATH_SEP/o;
1246 1108
1247 s/$PATH_SEP/\//g; 1109 push @paths, cf::map::normalise "~$pl/$_";
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249 } 1110 }
1250 1111
1251 \@paths 1112 \@paths
1252} 1113}
1253 1114
… …
1279package cf::map; 1140package cf::map;
1280 1141
1281use Fcntl; 1142use Fcntl;
1282use Coro::AIO; 1143use Coro::AIO;
1283 1144
1145use overload
1146 '""' => \&as_string,
1147 fallback => 1;
1148
1284our $MAX_RESET = 3600; 1149our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1150our $DEFAULT_RESET = 3000;
1286 1151
1287sub generate_random_map { 1152sub generate_random_map {
1288 my ($path, $rmp) = @_; 1153 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1154 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1155 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1156 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1157 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1158 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1159 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1160 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1161 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1162 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1163 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1164 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1165 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}) 1166 (cf::region::find $rmp->{region}), $rmp->{custom}
1167 )
1168}
1169
1170=item cf::map->register ($regex, $prio)
1171
1172Register a handler for the map path matching the given regex at the
1173givne priority (higher is better, built-in handlers have priority 0, the
1174default).
1175
1176=cut
1177
1178sub register {
1179 my (undef, $regex, $prio) = @_;
1180 my $pkg = caller;
1181
1182 no strict;
1183 push @{"$pkg\::ISA"}, __PACKAGE__;
1184
1185 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1186}
1187
1188# also paths starting with '/'
1189$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1190
1191sub thawer_merge {
1192 my ($self, $merge) = @_;
1193
1194 # we have to keep some variables in memory intact
1195 local $self->{path};
1196 local $self->{load_path};
1197 local $self->{deny_save};
1198 local $self->{deny_reset};
1199
1200 $self->SUPER::thawer_merge ($merge);
1201}
1202
1203sub normalise {
1204 my ($path, $base) = @_;
1205
1206 $path = "$path"; # make sure its a string
1207
1208 $path =~ s/\.map$//;
1209
1210 # map plan:
1211 #
1212 # /! non-realised random map exit (special hack!)
1213 # {... are special paths that are not being touched
1214 # ?xxx/... are special absolute paths
1215 # ?random/... random maps
1216 # /... normal maps
1217 # ~user/... per-player map of a specific user
1218
1219 $path =~ s/$PATH_SEP/\//go;
1220
1221 # treat it as relative path if it starts with
1222 # something that looks reasonable
1223 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1224 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1225
1226 $base =~ s{[^/]+/?$}{};
1227 $path = "$base/$path";
1228 }
1229
1230 for ($path) {
1231 redo if s{//}{/};
1232 redo if s{/\.?/}{/};
1233 redo if s{/[^/]+/\.\./}{/};
1234 }
1235
1236 $path
1237}
1238
1239sub new_from_path {
1240 my (undef, $path, $base) = @_;
1241
1242 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1243
1244 $path = normalise $path, $base;
1245
1246 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1247 if ($path =~ $EXT_MAP{$pkg}[1]) {
1248 my $self = bless cf::map::new, $pkg;
1249 $self->{path} = $path; $self->path ($path);
1250 $self->init; # pass $1 etc.
1251 return $self;
1252 }
1253 }
1254
1255 Carp::carp "unable to resolve path '$path' (base '$base').";
1256 ()
1257}
1258
1259sub init {
1260 my ($self) = @_;
1261
1262 $self
1263}
1264
1265sub as_string {
1266 my ($self) = @_;
1267
1268 "$self->{path}"
1269}
1270
1271# the displayed name, this is a one way mapping
1272sub visible_name {
1273 &as_string
1274}
1275
1276# the original (read-only) location
1277sub load_path {
1278 my ($self) = @_;
1279
1280 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1281}
1282
1283# the temporary/swap location
1284sub save_path {
1285 my ($self) = @_;
1286
1287 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1289}
1290
1291# the unique path, undef == no special unique path
1292sub uniq_path {
1293 my ($self) = @_;
1294
1295 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304} 1297}
1305 1298
1306# and all this just because we cannot iterate over 1299# and all this just because we cannot iterate over
1307# all maps in C++... 1300# all maps in C++...
1308sub change_all_map_light { 1301sub change_all_map_light {
… …
1310 1303
1311 $_->change_map_light ($change) 1304 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1305 for grep $_->outdoor, values %cf::MAP;
1313} 1306}
1314 1307
1308sub unlink_save {
1309 my ($self) = @_;
1310
1311 utf8::encode (my $save = $self->save_path);
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315 #d#TODO remove .map and also nuke
1316 $save =~ s/\.map// or return;#d#
1317 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319}
1320
1315sub try_load_header($) { 1321sub load_header_from($) {
1316 my ($path) = @_; 1322 my ($self, $path) = @_;
1317 1323
1318 utf8::encode $path; 1324 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1325 #aio_open $path, O_RDONLY, 0
1326 # or return;
1327
1328 $self->_load_header ($path)
1320 or return; 1329 or return;
1321 1330
1322 my $map = cf::map::new 1331 $self->{load_path} = $path;
1332
1333 1
1334}
1335
1336sub load_header_orig {
1337 my ($self) = @_;
1338
1339 $self->load_header_from ($self->load_path)
1340}
1341
1342sub load_header_temp {
1343 my ($self) = @_;
1344
1345 $self->load_header_from ($self->save_path)
1346}
1347
1348sub prepare_temp {
1349 my ($self) = @_;
1350
1351 $self->last_access ((delete $self->{last_access})
1352 || $cf::RUNTIME); #d#
1353 # safety
1354 $self->{instantiate_time} = $cf::RUNTIME
1355 if $self->{instantiate_time} > $cf::RUNTIME;
1356}
1357
1358sub prepare_orig {
1359 my ($self) = @_;
1360
1361 $self->{load_original} = 1;
1362 $self->{instantiate_time} = $cf::RUNTIME;
1363 $self->last_access ($cf::RUNTIME);
1364 $self->instantiate;
1365}
1366
1367sub load_header {
1368 my ($self) = @_;
1369
1370 if ($self->load_header_temp) {
1371 $self->prepare_temp;
1372 } else {
1373 $self->load_header_orig
1323 or return; 1374 or return;
1375 $self->prepare_orig;
1376 }
1324 1377
1325 # for better error messages only, will be overwritten 1378 1
1326 $map->path ($path);
1327
1328 $map->load_header ($path)
1329 or return;
1330
1331 $map->{load_path} = $path;
1332
1333 $map
1334} 1379}
1335 1380
1336sub find; 1381sub find;
1337sub find { 1382sub find {
1338 my ($path, $origin) = @_; 1383 my ($path, $origin) = @_;
1339 1384
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1385 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1386
1345 cf::lock_wait "map_find:$key"; 1387 cf::lock_wait "map_find:$path";
1346 1388
1347 $cf::MAP{$key} || do { 1389 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1390 my $guard = cf::lock_acquire "map_find:$path";
1349 1391 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; 1392 or return;
1369 1393
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; 1394 $map->{last_save} = $cf::RUNTIME;
1382 1395
1383 Coro::cede; 1396 $map->load_header
1397 or return;
1384 1398
1385 if ($map->should_reset) { 1399 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1400 # doing this can freeze the server in a sync job, obviously
1401 #$cf::WAIT_FOR_TICK->wait;
1386 $map->reset; 1402 $map->reset;
1387 undef $guard; 1403 undef $guard;
1388 $map = find $path 1404 return find $path;
1389 or return;
1390 } 1405 }
1391 1406
1392 $cf::MAP{$key} = $map 1407 $cf::MAP{$path} = $map
1393 } 1408 }
1394} 1409}
1410
1411sub pre_load { }
1412sub post_load { }
1395 1413
1396sub load { 1414sub load {
1397 my ($self) = @_; 1415 my ($self) = @_;
1398 1416
1417 local $self->{deny_reset} = 1; # loading can take a long time
1418
1399 my $path = $self->{path}; 1419 my $path = $self->{path};
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1420 my $guard = cf::lock_acquire "map_load:$path";
1401 1421
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1422 return if $self->in_memory != cf::MAP_SWAPPED;
1403 1423
1404 $self->in_memory (cf::MAP_LOADING); 1424 $self->in_memory (cf::MAP_LOADING);
1405 1425
1406 $self->alloc; 1426 $self->alloc;
1427
1428 $self->pre_load;
1429
1407 $self->load_objects ($self->{load_path}, 1) 1430 $self->_load_objects ($self->{load_path}, 1)
1408 or return; 1431 or return;
1409 1432
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1433 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1434 if delete $self->{load_original};
1412 1435
1413 if (my $uniq = $path->uniq_path) { 1436 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1437 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1438 if (aio_open $uniq, O_RDONLY, 0) {
1416 $self->clear_unique_items; 1439 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1440 $self->_load_objects ($uniq, 0);
1418 } 1441 }
1419 } 1442 }
1420 1443
1421 Coro::cede; 1444 Coro::cede;
1422 1445
1423 # now do the right thing for maps 1446 # now do the right thing for maps
1424 $self->link_multipart_objects; 1447 $self->link_multipart_objects;
1425 1448
1426 if ($self->{path}->is_style_map) { 1449 unless ($self->{deny_activate}) {
1427 $self->{deny_save} = 1; 1450 $self->decay_objects;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply; 1451 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons; 1452 $self->update_buttons;
1453 Coro::cede;
1433 $self->set_darkness_map; 1454 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1455 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1456 unless $self->difficulty;
1457 Coro::cede;
1436 $self->activate; 1458 $self->activate;
1437 } 1459 }
1438 1460
1439 Coro::cede; 1461 $self->post_load;
1440 1462
1441 $self->in_memory (cf::MAP_IN_MEMORY); 1463 $self->in_memory (cf::MAP_IN_MEMORY);
1464}
1465
1466sub customise_for {
1467 my ($self, $ob) = @_;
1468
1469 return find "~" . $ob->name . "/" . $self->{path}
1470 if $self->per_player;
1471
1472 $self
1442} 1473}
1443 1474
1444# find and load all maps in the 3x3 area around a map 1475# find and load all maps in the 3x3 area around a map
1445sub load_diag { 1476sub load_diag {
1446 my ($map) = @_; 1477 my ($map) = @_;
… …
1476 1507
1477 cf::sync_job { $map->load }; 1508 cf::sync_job { $map->load };
1478} 1509}
1479 1510
1480our %MAP_PREFETCH; 1511our %MAP_PREFETCH;
1481our $MAP_PREFETCHER = Coro::async { 1512our $MAP_PREFETCHER = undef;
1482 while () {
1483 while (%MAP_PREFETCH) {
1484 my $key = each %MAP_PREFETCH
1485 or next;
1486 my $path = delete $MAP_PREFETCH{$key};
1487
1488 my $map = find $path
1489 or next;
1490 $map->load;
1491 }
1492 Coro::schedule;
1493 }
1494};
1495 1513
1496sub find_async { 1514sub find_async {
1497 my ($path, $origin) = @_; 1515 my ($path, $origin) = @_;
1498 1516
1499 $path = new cf::path $path, $origin && $origin->path; 1517 $path = normalise $path, $origin && $origin->{path};
1500 my $key = $path->as_string;
1501 1518
1502 if (my $map = $cf::MAP{$key}) { 1519 if (my $map = $cf::MAP{$path}) {
1503 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1520 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504 } 1521 }
1505 1522
1506 $MAP_PREFETCH{$key} = $path; 1523 undef $MAP_PREFETCH{$path};
1524 $MAP_PREFETCHER ||= cf::async {
1525 while (%MAP_PREFETCH) {
1526 for my $path (keys %MAP_PREFETCH) {
1527 my $map = find $path
1528 or next;
1529 $map->load;
1530
1531 delete $MAP_PREFETCH{$path};
1532 }
1533 }
1534 undef $MAP_PREFETCHER;
1535 };
1507 $MAP_PREFETCHER->ready; 1536 $MAP_PREFETCHER->prio (6);
1508 1537
1509 () 1538 ()
1510} 1539}
1511 1540
1512sub save { 1541sub save {
… …
1516 1545
1517 $self->{last_save} = $cf::RUNTIME; 1546 $self->{last_save} = $cf::RUNTIME;
1518 1547
1519 return unless $self->dirty; 1548 return unless $self->dirty;
1520 1549
1521 my $save = $self->{path}->save_path; utf8::encode $save; 1550 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1551 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 1552
1524 $self->{load_path} = $save; 1553 $self->{load_path} = $save;
1525 1554
1526 return if $self->{deny_save}; 1555 return if $self->{deny_save};
1527 1556
… …
1530 cf::async { 1559 cf::async {
1531 $_->contr->save for $self->players; 1560 $_->contr->save for $self->players;
1532 }; 1561 };
1533 1562
1534 if ($uniq) { 1563 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1564 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 1565 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 1566 } else {
1538 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1567 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539 } 1568 }
1540} 1569}
1541 1570
1542sub swap_out { 1571sub swap_out {
1543 my ($self) = @_; 1572 my ($self) = @_;
… …
1557 1586
1558sub reset_at { 1587sub reset_at {
1559 my ($self) = @_; 1588 my ($self) = @_;
1560 1589
1561 # TODO: safety, remove and allow resettable per-player maps 1590 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel}; 1591 return 1e99 if $self->isa ("ext::map_per_player");#d#
1563 return 1e99 if $self->{deny_reset}; 1592 return 1e99 if $self->{deny_reset};
1564 1593
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1594 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1595 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 1596
… …
1572 my ($self) = @_; 1601 my ($self) = @_;
1573 1602
1574 $self->reset_at <= $cf::RUNTIME 1603 $self->reset_at <= $cf::RUNTIME
1575} 1604}
1576 1605
1577sub unlink_save {
1578 my ($self) = @_;
1579
1580 utf8::encode (my $save = $self->{path}->save_path);
1581 aioreq_pri 3; IO::AIO::aio_unlink $save;
1582 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583}
1584
1585sub rename {
1586 my ($self, $new_path) = @_;
1587
1588 $self->unlink_save;
1589
1590 delete $cf::MAP{$self->path};
1591 $self->{path} = new cf::path $new_path;
1592 $self->path ($self->{path}->as_string);
1593 $cf::MAP{$self->path} = $self;
1594
1595 $self->save;
1596}
1597
1598sub reset { 1606sub reset {
1599 my ($self) = @_; 1607 my ($self) = @_;
1600 1608
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 1609 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 1610
1603 return if $self->players; 1611 return if $self->players;
1604 return if $self->{path}{user_rel};#d# 1612 return if $self->isa ("ext::map_per_player");#d#
1605 1613
1606 warn "resetting map ", $self->path;#d# 1614 warn "resetting map ", $self->path;#d#
1607 1615
1616 $self->in_memory (cf::MAP_SWAPPED);
1617
1618 # need to save uniques path
1619 unless ($self->{deny_save}) {
1620 my $uniq = $self->uniq_path; utf8::encode $uniq;
1621
1622 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1623 if $uniq;
1624 }
1625
1608 delete $cf::MAP{$self->path}; 1626 delete $cf::MAP{$self->path};
1627
1628 $self->clear;
1609 1629
1610 $_->clear_links_to ($self) for values %cf::MAP; 1630 $_->clear_links_to ($self) for values %cf::MAP;
1611 1631
1612 $self->unlink_save; 1632 $self->unlink_save;
1613 $self->destroy; 1633 $self->destroy;
… …
1616my $nuke_counter = "aaaa"; 1636my $nuke_counter = "aaaa";
1617 1637
1618sub nuke { 1638sub nuke {
1619 my ($self) = @_; 1639 my ($self) = @_;
1620 1640
1641 delete $cf::MAP{$self->path};
1642
1643 $self->unlink_save;
1644
1645 bless $self, "cf::map";
1646 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 1647 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 1648 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 1649 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650
1651 $cf::MAP{$self->path} = $self;
1652
1624 $self->reset; # polite request, might not happen 1653 $self->reset; # polite request, might not happen
1625} 1654}
1626 1655
1627sub customise_for { 1656=item cf::map::unique_maps
1628 my ($map, $ob) = @_;
1629 1657
1630 if ($map->per_player) { 1658Returns an arrayref of paths of all shared maps that have
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1659instantiated unique items. May block.
1632 }
1633 1660
1634 $map 1661=cut
1662
1663sub unique_maps() {
1664 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1665 or return;
1666
1667 my @paths;
1668
1669 for (@$files) {
1670 utf8::decode $_;
1671 next if /\.pst$/;
1672 next unless /^$PATH_SEP/o;
1673
1674 push @paths, cf::map::normalise $_;
1675 }
1676
1677 \@paths
1635} 1678}
1636 1679
1637package cf; 1680package cf;
1638 1681
1639=back 1682=back
… …
1711 1754
1712=item $player_object->enter_link 1755=item $player_object->enter_link
1713 1756
1714Freezes the player and moves him/her to a special map (C<{link}>). 1757Freezes the player and moves him/her to a special map (C<{link}>).
1715 1758
1716The player should be reaosnably safe there for short amounts of time. You 1759The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 1760I<MUST> call C<leave_link> as soon as possible, though.
1718 1761
1762Will never block.
1763
1719=item $player_object->leave_link ($map, $x, $y) 1764=item $player_object->leave_link ($map, $x, $y)
1720 1765
1721Moves the player out of the specila link map onto the given map. If the 1766Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 1767map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 1768to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 1769fails, to the emergency map position.
1725 1770
1726Might block. 1771Might block.
1727 1772
1728=cut 1773=cut
1774
1775sub link_map {
1776 unless ($LINK_MAP) {
1777 $LINK_MAP = cf::map::find "{link}"
1778 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1779 $LINK_MAP->load;
1780 }
1781
1782 $LINK_MAP
1783}
1729 1784
1730sub cf::object::player::enter_link { 1785sub cf::object::player::enter_link {
1731 my ($self) = @_; 1786 my ($self) = @_;
1732 1787
1733 $self->deactivate_recursive; 1788 $self->deactivate_recursive;
1734 1789
1735 return if $self->map == $LINK_MAP; 1790 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1791
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1792 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1793 if $self->map;
1739 1794
1740 $self->enter_map ($LINK_MAP, 20, 20); 1795 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 1796}
1742 1797
1743sub cf::object::player::leave_link { 1798sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1799 my ($self, $map, $x, $y) = @_;
1745 1800
… …
1809=cut 1864=cut
1810 1865
1811sub cf::object::player::goto { 1866sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1867 my ($self, $path, $x, $y) = @_;
1813 1868
1814 $path = new cf::path $path;
1815 $path ne "/" or Carp::cluck ("oy");#d#
1816
1817 $self->enter_link; 1869 $self->enter_link;
1818 1870
1819 (async { 1871 (async {
1872 my $map = eval {
1820 my $map = cf::map::find $path->as_string; 1873 my $map = cf::map::find $path;
1821 $map = $map->customise_for ($self) if $map; 1874 $map = $map->customise_for ($self) if $map;
1822 1875 $map
1823# warn "entering ", $map->path, " at ($x, $y)\n" 1876 } or
1824# if $map;
1825
1826 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1877 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1827 1878
1828 $self->leave_link ($map, $x, $y); 1879 $self->leave_link ($map, $x, $y);
1829 })->prio (1); 1880 })->prio (1);
1830} 1881}
1831 1882
… …
1835 1886
1836sub parse_random_map_params { 1887sub parse_random_map_params {
1837 my ($spec) = @_; 1888 my ($spec) = @_;
1838 1889
1839 my $rmp = { # defaults 1890 my $rmp = { # defaults
1840 xsize => 10, 1891 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 1892 ysize => (cf::rndm 15, 40),
1893 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1894 #layout => string,
1842 }; 1895 };
1843 1896
1844 for (split /\n/, $spec) { 1897 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 1898 my ($k, $v) = split /\s+/, $_, 2;
1846 1899
… …
1850 $rmp 1903 $rmp
1851} 1904}
1852 1905
1853sub prepare_random_map { 1906sub prepare_random_map {
1854 my ($exit) = @_; 1907 my ($exit) = @_;
1908
1909 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 1910
1856 # all this does is basically replace the /! path by 1911 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 1912 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 1913 # that depends on the exit object
1859 1914
1860 my $rmp = parse_random_map_params $exit->msg; 1915 my $rmp = parse_random_map_params $exit->msg;
1861 1916
1862 if ($exit->map) { 1917 if ($exit->map) {
1863 $rmp->{region} = $exit->map->region_name; 1918 $rmp->{region} = $exit->region->name;
1864 $rmp->{origin_map} = $exit->map->path; 1919 $rmp->{origin_map} = $exit->map->path;
1865 $rmp->{origin_x} = $exit->x; 1920 $rmp->{origin_x} = $exit->x;
1866 $rmp->{origin_y} = $exit->y; 1921 $rmp->{origin_y} = $exit->y;
1867 } 1922 }
1868 1923
1869 $rmp->{random_seed} ||= $exit->random_seed; 1924 $rmp->{random_seed} ||= $exit->random_seed;
1870 1925
1871 my $data = cf::to_json $rmp; 1926 my $data = cf::to_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 1927 my $md5 = Digest::MD5::md5_hex $data;
1928 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873 1929
1874 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1930 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875 aio_write $fh, 0, (length $data), $data, 0; 1931 aio_write $fh, 0, (length $data), $data, 0;
1932 undef $fh;
1933 aio_rename "$meta~", $meta;
1876 1934
1877 $exit->slaying ("?random/$md5"); 1935 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 1936 $exit->msg (undef);
1879 } 1937 }
1880} 1938}
1881 1939
1882sub cf::object::player::enter_exit { 1940sub cf::object::player::enter_exit {
1883 my ($self, $exit) = @_; 1941 my ($self, $exit) = @_;
1884 1942
1885 return unless $self->type == cf::PLAYER; 1943 return unless $self->type == cf::PLAYER;
1944
1945 if ($exit->slaying eq "/!") {
1946 #TODO: this should de-fi-ni-te-ly not be a sync-job
1947 cf::sync_job { prepare_random_map $exit };
1948 }
1949
1950 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951 my $hp = $exit->stats->hp;
1952 my $sp = $exit->stats->sp;
1886 1953
1887 $self->enter_link; 1954 $self->enter_link;
1888 1955
1889 (async { 1956 (async {
1890 $self->deactivate_recursive; # just to be sure 1957 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 1958 unless (eval {
1892 prepare_random_map $exit 1959 $self->goto ($slaying, $hp, $sp);
1893 if $exit->slaying eq "/!";
1894
1895 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897 1960
1898 1; 1961 1;
1899 }) { 1962 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 1963 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "I'll try to bring you back to the map you were before. " 1964 . "I'll try to bring you back to the map you were before. "
1902 . "Please report this to the dungeon master", 1965 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 1966 cf::NDI_UNIQUE | cf::NDI_RED);
1904 1967
1905 warn "ERROR in enter_exit: $@"; 1968 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 1969 $self->leave_link;
1907 } 1970 }
… …
1962 # get handled first 2025 # get handled first
1963 my $queue = delete $ns->{query_queue} 2026 my $queue = delete $ns->{query_queue}
1964 or return; # be conservative, not sure how that can happen, but we saw a crash here 2027 or return; # be conservative, not sure how that can happen, but we saw a crash here
1965 2028
1966 (shift @$queue)->[1]->($msg); 2029 (shift @$queue)->[1]->($msg);
2030 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967 2031
1968 push @{ $ns->{query_queue} }, @$queue; 2032 push @{ $ns->{query_queue} }, @$queue;
1969 2033
1970 if (@{ $ns->{query_queue} } == @$queue) { 2034 if (@{ $ns->{query_queue} } == @$queue) {
1971 if (@$queue) { 2035 if (@$queue) {
… …
2132The parameter C<$family> should best start with the name of the extension 2196The parameter C<$family> should best start with the name of the extension
2133using it, it should be unique. 2197using it, it should be unique.
2134 2198
2135=over 4 2199=over 4
2136 2200
2137=item $hashref = cf::db_get $family
2138
2139Return a hashref for use by the extension C<$family>, which can be
2140modified. After modifications, you have to call C<cf::db_dirty> or
2141C<cf::db_sync>.
2142
2143=item $value = cf::db_get $family => $key 2201=item $value = cf::db_get $family => $key
2144 2202
2145Returns a single value from the database 2203Returns a single value from the database.
2146
2147=item cf::db_put $family => $hashref
2148
2149Stores the given family hashref into the database. Updates are delayed, if
2150you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151 2204
2152=item cf::db_put $family => $key => $value 2205=item cf::db_put $family => $key => $value
2153 2206
2154Stores the given C<$value> in the family hash. Updates are delayed, if you 2207Stores the given C<$value> in the family.
2155want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157=item cf::db_dirty
2158
2159Marks the database as dirty, to be updated at a later time.
2160
2161=item cf::db_sync
2162
2163Immediately write the database to disk I<if it is dirty>.
2164 2208
2165=cut 2209=cut
2166 2210
2167our $DB; 2211our $DB;
2168 2212
2169{ 2213sub db_init {
2214 unless ($DB) {
2215 $DB = BDB::db_create $DB_ENV;
2216
2217 cf::sync_job {
2218 eval {
2219 $DB->set_flags (BDB::CHKSUM);
2220
2221 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223 cf::cleanup "db_open(db): $!" if $!;
2224 };
2225 cf::cleanup "db_open(db): $@" if $@;
2226 };
2227
2170 my $path = cf::localdir . "/database.pst"; 2228 my $path = cf::localdir . "/database.pst";
2229 if (stat $path) {
2230 cf::sync_job {
2231 my $pst = Storable::retrieve $path;
2171 2232
2172 sub db_load() { 2233 cf::db_put (board => data => $pst->{board});
2173 $DB = stat $path ? Storable::retrieve $path : { }; 2234 cf::db_put (guildrules => data => $pst->{guildrules});
2174 } 2235 cf::db_put (rent => balance => $pst->{rent}{balance});
2236 BDB::db_env_txn_checkpoint $DB_ENV;
2175 2237
2176 my $pid; 2238 unlink $path;
2177
2178 sub db_save() {
2179 waitpid $pid, 0 if $pid;
2180 if (0 == ($pid = fork)) {
2181 $DB->{_meta}{version} = 1;
2182 Storable::nstore $DB, "$path~";
2183 rename "$path~", $path;
2184 cf::_exit 0 if defined $pid;
2185 } 2239 };
2186 }
2187
2188 my $dirty;
2189
2190 sub db_sync() {
2191 db_save if $dirty;
2192 undef $dirty;
2193 }
2194
2195 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196 db_sync;
2197 });
2198
2199 sub db_dirty() {
2200 $dirty = 1;
2201 $idle->start;
2202 }
2203
2204 sub db_get($;$) {
2205 @_ >= 2
2206 ? $DB->{$_[0]}{$_[1]}
2207 : ($DB->{$_[0]} ||= { })
2208 }
2209
2210 sub db_put($$;$) {
2211 if (@_ >= 3) {
2212 $DB->{$_[0]}{$_[1]} = $_[2];
2213 } else {
2214 $DB->{$_[0]} = $_[1];
2215 }
2216 db_dirty;
2217 }
2218
2219 cf::global->attach (
2220 prio => 10000,
2221 on_cleanup => sub {
2222 db_sync;
2223 }, 2240 }
2224 ); 2241 }
2242}
2243
2244sub db_get($$) {
2245 my $key = "$_[0]/$_[1]";
2246
2247 cf::sync_job {
2248 BDB::db_get $DB, undef, $key, my $data;
2249
2250 $! ? ()
2251 : Compress::LZF::sthaw $data
2252 }
2253}
2254
2255sub db_put($$$) {
2256 BDB::dbreq_pri 4;
2257 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2225} 2258}
2226 2259
2227############################################################################# 2260#############################################################################
2228# the server's main() 2261# the server's init and main functions
2262
2263sub load_resources {
2264 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2265 or die "unable to load regions file\n";#d#
2266}
2229 2267
2230sub cfg_load { 2268sub cfg_load {
2231 open my $fh, "<:utf8", cf::confdir . "/config" 2269 open my $fh, "<:utf8", cf::confdir . "/config"
2232 or return; 2270 or return;
2233 2271
… …
2246 }; 2284 };
2247 warn $@ if $@; 2285 warn $@ if $@;
2248 } 2286 }
2249} 2287}
2250 2288
2289sub init {
2290 load_resources;
2291}
2292
2251sub main { 2293sub main {
2252 # we must not ever block the main coroutine 2294 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 2295 local $Coro::idle = sub {
2254 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2296 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297 (async {
2255 async { Event::one_event }; 2298 Event::one_event;
2299 })->prio (Coro::PRIO_MAX);
2256 }; 2300 };
2257 2301
2258 cfg_load; 2302 cfg_load;
2259 db_load; 2303 db_init;
2260 load_extensions; 2304 load_extensions;
2305
2306 $TICK_WATCHER->start;
2261 Event::loop; 2307 Event::loop;
2262} 2308}
2263 2309
2264############################################################################# 2310#############################################################################
2265# initialisation and cleanup 2311# initialisation and cleanup
2266 2312
2267# install some emergency cleanup handlers 2313# install some emergency cleanup handlers
2268BEGIN { 2314BEGIN {
2269 for my $signal (qw(INT HUP TERM)) { 2315 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 2316 Event->signal (
2317 reentrant => 0,
2271 data => WF_AUTOCANCEL, 2318 data => WF_AUTOCANCEL,
2272 signal => $signal, 2319 signal => $signal,
2320 prio => 0,
2273 cb => sub { 2321 cb => sub {
2274 cf::cleanup "SIG$signal"; 2322 cf::cleanup "SIG$signal";
2275 }, 2323 },
2276 ); 2324 );
2277 } 2325 }
2278} 2326}
… …
2283 warn "enter emergency perl save\n"; 2331 warn "enter emergency perl save\n";
2284 2332
2285 cf::sync_job { 2333 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 2334 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 2335 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 2336 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 2337 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 2338 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 2339 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 2340 $pl->valid or next;
2293 $pl->save; 2341 $pl->save;
… …
2299 my $map = $cf::MAP{$path} or next; 2347 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 2348 $map->valid or next;
2301 $map->save; 2349 $map->save;
2302 } 2350 }
2303 warn "end emergency map save\n"; 2351 warn "end emergency map save\n";
2352
2353 warn "begin emergency database checkpoint\n";
2354 BDB::db_env_txn_checkpoint $DB_ENV;
2355 warn "end emergency database checkpoint\n";
2304 }; 2356 };
2305 2357
2306 warn "leave emergency perl save\n"; 2358 warn "leave emergency perl save\n";
2359}
2360
2361sub post_cleanup {
2362 my ($make_core) = @_;
2363
2364 warn Carp::longmess "post_cleanup backtrace"
2365 if $make_core;
2307} 2366}
2308 2367
2309sub reload() { 2368sub reload() {
2310 # can/must only be called in main 2369 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 2370 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 2371 warn "can only reload from main coroutine";
2313 return; 2372 return;
2314 } 2373 }
2315 2374
2316 warn "reloading..."; 2375 warn "reloading...";
2317 2376
2318 my $guard = freeze_mainloop; 2377 warn "cancelling server ticker";
2378 $TICK_WATCHER->cancel;
2379
2319 cf::emergency_save; 2380 cf::emergency_save;
2320 2381
2321 eval { 2382 eval {
2322 # if anything goes wrong in here, we should simply crash as we already saved 2383 # if anything goes wrong in here, we should simply crash as we already saved
2323 2384
2324 # cancel all watchers 2385 warn "cancelling all WF_AUTOCANCEL watchers";
2325 for (Event::all_watchers) { 2386 for (Event::all_watchers) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 2387 $_->cancel if $_->data & WF_AUTOCANCEL;
2327 } 2388 }
2328 2389
2390 warn "syncing database to disk";
2391 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393 warn "flushing outstanding aio requests";
2394 for (;;) {
2395 BDB::flush;
2396 IO::AIO::flush;
2397 Coro::cede;
2398 last unless IO::AIO::nreqs || BDB::nreqs;
2399 warn "iterate...";
2400 }
2401
2329 # cancel all extension coros 2402 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 2403 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 2404 %EXT_CORO = ();
2332 2405
2333 # unload all extensions 2406 warn "removing commands";
2334 for (@exts) { 2407 %COMMAND = ();
2408
2409 warn "removing ext commands";
2410 %EXTCMD = ();
2411
2412 warn "unloading/nuking all extensions";
2413 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 2414 warn "... unloading $pkg";
2336 unload_extension $_; 2415
2416 if (my $cb = $pkg->can ("unload")) {
2417 eval {
2418 $cb->($pkg);
2419 1
2420 } or warn "$pkg unloaded, but with errors: $@";
2337 } 2421 }
2338 2422
2423 warn "... nuking $pkg";
2424 Symbol::delete_package $pkg;
2425 }
2426
2339 # unload all modules loaded from $LIBDIR 2427 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 2428 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2429 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 2430
2343 warn "removing <$k>"; 2431 warn "... unloading $k";
2344 delete $INC{$k}; 2432 delete $INC{$k};
2345 2433
2346 $k =~ s/\.pm$//; 2434 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 2435 $k =~ s/\//::/g;
2348 2436
… …
2351 } 2439 }
2352 2440
2353 Symbol::delete_package $k; 2441 Symbol::delete_package $k;
2354 } 2442 }
2355 2443
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 2444 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 2445 Symbol::delete_package "safe::$_"
2362 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2446 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363 2447
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 2448 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 2449 delete $INC{"cf.pm"};
2369 2450
2370 # don't, removes xs symbols, too, 2451 # don't, removes xs symbols, too,
2371 # and global variables created in xs 2452 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 2453 #Symbol::delete_package __PACKAGE__;
2373 2454
2374 # reload cf.pm 2455 warn "unload completed, starting to reload now";
2456
2375 warn "reloading cf.pm"; 2457 warn "reloading cf.pm";
2376 require cf; 2458 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2459 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 2460
2379 # load config and database again 2461 warn "loading config and database again";
2380 cf::cfg_load; 2462 cf::cfg_load;
2381 cf::db_load;
2382 2463
2383 # load extensions
2384 warn "load extensions"; 2464 warn "loading extensions";
2385 cf::load_extensions; 2465 cf::load_extensions;
2386 2466
2387 # reattach attachments to objects 2467 warn "reattaching attachments to objects/players";
2388 warn "reattach";
2389 _global_reattach; 2468 _global_reattach;
2469 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 2470 reattach $_ for values %MAP;
2471
2472 warn "loading reloadable resources";
2473 load_resources;
2474
2475 warn "restarting server ticker";
2476
2477 $TICK_WATCHER->start;
2391 }; 2478 };
2392 2479
2393 if ($@) { 2480 if ($@) {
2394 warn $@; 2481 warn $@;
2395 warn "error while reloading, exiting."; 2482 warn "error while reloading, exiting.";
2396 exit 1; 2483 exit 1;
2397 } 2484 }
2398 2485
2399 warn "reloaded successfully"; 2486 warn "reloaded";
2400}; 2487};
2401 2488
2402############################################################################# 2489our $RELOAD_WATCHER; # used only during reload
2403
2404unless ($LINK_MAP) {
2405 $LINK_MAP = cf::map::new;
2406
2407 $LINK_MAP->width (41);
2408 $LINK_MAP->height (41);
2409 $LINK_MAP->alloc;
2410 $LINK_MAP->path ("{link}");
2411 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414 # dirty hack because... archetypes are not yet loaded
2415 Event->timer (
2416 after => 10,
2417 cb => sub {
2418 $_[0]->w->cancel;
2419
2420 # provide some exits "home"
2421 my $exit = cf::object::new "exit";
2422
2423 $exit->slaying ($EMERGENCY_POSITION->[0]);
2424 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427 $LINK_MAP->insert ($exit->clone, 19, 19);
2428 $LINK_MAP->insert ($exit->clone, 19, 20);
2429 $LINK_MAP->insert ($exit->clone, 19, 21);
2430 $LINK_MAP->insert ($exit->clone, 20, 19);
2431 $LINK_MAP->insert ($exit->clone, 20, 21);
2432 $LINK_MAP->insert ($exit->clone, 21, 19);
2433 $LINK_MAP->insert ($exit->clone, 21, 20);
2434 $LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436 $exit->destroy;
2437 });
2438
2439 $LINK_MAP->{deny_save} = 1;
2440 $LINK_MAP->{deny_reset} = 1;
2441
2442 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443}
2444
2445register "<global>", __PACKAGE__;
2446 2490
2447register_command "reload" => sub { 2491register_command "reload" => sub {
2448 my ($who, $arg) = @_; 2492 my ($who, $arg) = @_;
2449 2493
2450 if ($who->flag (FLAG_WIZ)) { 2494 if ($who->flag (FLAG_WIZ)) {
2451 $who->message ("start of reload."); 2495 $who->message ("reloading server.");
2496
2497 # doing reload synchronously and two reloads happen back-to-back,
2498 # coro crashes during coro_state_free->destroy here.
2499
2500 $RELOAD_WATCHER ||= Event->timer (
2501 reentrant => 0,
2502 after => 0,
2503 data => WF_AUTOCANCEL,
2504 cb => sub {
2452 reload; 2505 reload;
2453 $who->message ("end of reload."); 2506 undef $RELOAD_WATCHER;
2507 },
2508 );
2454 } 2509 }
2455}; 2510};
2456 2511
2457unshift @INC, $LIBDIR; 2512unshift @INC, $LIBDIR;
2513
2514my $bug_warning = 0;
2458 2515
2459$TICK_WATCHER = Event->timer ( 2516$TICK_WATCHER = Event->timer (
2460 reentrant => 0, 2517 reentrant => 0,
2518 parked => 1,
2461 prio => 0, 2519 prio => 0,
2462 at => $NEXT_TICK || $TICK, 2520 at => $NEXT_TICK || $TICK,
2463 data => WF_AUTOCANCEL, 2521 data => WF_AUTOCANCEL,
2464 cb => sub { 2522 cb => sub {
2523 if ($Coro::current != $Coro::main) {
2524 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525 unless ++$bug_warning > 10;
2526 return;
2527 }
2528
2529 $NOW = Event::time;
2530
2465 cf::server_tick; # one server iteration 2531 cf::server_tick; # one server iteration
2466 $RUNTIME += $TICK; 2532 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 2533 $NEXT_TICK += $TICK;
2468 2534
2469 $WAIT_FOR_TICK->broadcast; 2535 $WAIT_FOR_TICK->broadcast;
2470 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2536 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2537
2538 Event::sweep;
2539 Coro::cede_notself;
2540
2541# my $AFTER = Event::time;
2542# warn $AFTER - $NOW;#d#
2471 2543
2472 # if we are delayed by four ticks or more, skip them all 2544 # if we are delayed by four ticks or more, skip them all
2473 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2545 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474 2546
2475 $TICK_WATCHER->at ($NEXT_TICK); 2547 $TICK_WATCHER->at ($NEXT_TICK);
2476 $TICK_WATCHER->start; 2548 $TICK_WATCHER->start;
2477 }, 2549 },
2478); 2550);
2479 2551
2552{
2553 BDB::max_poll_time $TICK * 0.1;
2554 $BDB_POLL_WATCHER = Event->io (
2555 reentrant => 0,
2556 fd => BDB::poll_fileno,
2557 poll => 'r',
2558 prio => 0,
2559 data => WF_AUTOCANCEL,
2560 cb => \&BDB::poll_cb,
2561 );
2562 BDB::min_parallel 8;
2563
2564 BDB::set_sync_prepare {
2565 my $status;
2566 my $current = $Coro::current;
2567 (
2568 sub {
2569 $status = $!;
2570 $current->ready; undef $current;
2571 },
2572 sub {
2573 Coro::schedule while defined $current;
2574 $! = $status;
2575 },
2576 )
2577 };
2578
2579 unless ($DB_ENV) {
2580 $DB_ENV = BDB::db_env_create;
2581
2582 cf::sync_job {
2583 eval {
2584 BDB::db_env_open
2585 $DB_ENV,
2586 $BDB_ENV_DIR,
2587 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589 0666;
2590
2591 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2592
2593 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594 $DB_ENV->set_lk_detect;
2595 };
2596
2597 cf::cleanup "db_env_open(db): $@" if $@;
2598 };
2599 }
2600}
2601
2602{
2603 IO::AIO::min_parallel 8;
2604
2605 undef $Coro::AIO::WATCHER;
2480IO::AIO::max_poll_time $TICK * 0.2; 2606 IO::AIO::max_poll_time $TICK * 0.1;
2481 2607 $AIO_POLL_WATCHER = Event->io (
2482Event->io ( 2608 reentrant => 0,
2483 fd => IO::AIO::poll_fileno, 2609 fd => IO::AIO::poll_fileno,
2484 poll => 'r', 2610 poll => 'r',
2485 prio => 5, 2611 prio => 6,
2486 data => WF_AUTOCANCEL, 2612 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb, 2613 cb => \&IO::AIO::poll_cb,
2488); 2614 );
2615}
2489 2616
2490Event->timer ( 2617$WRITE_RUNTIME_WATCHER = Event->timer (
2618 reentrant => 0,
2491 data => WF_AUTOCANCEL, 2619 data => WF_AUTOCANCEL,
2492 after => 0, 2620 after => 1,
2493 interval => 10, 2621 interval => 10,
2494 cb => sub { 2622 prio => 6, # keep it lowest so it acts like a watchdog
2495 (Coro::unblock_sub { 2623 cb => Coro::unblock_sub {
2496 write_runtime 2624 write_runtime
2497 or warn "ERROR: unable to write runtime file: $!"; 2625 or warn "ERROR: unable to write runtime file: $!";
2498 })->();
2499 }, 2626 },
2500); 2627);
2501 2628
2502END { cf::emergency_save } 2629END { cf::emergency_save }
2503 2630

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