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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 1.220 by root, Sat Feb 17 23:54:35 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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written
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 };
263 $TICK_WATCHER->stop; 279 $TICK_WATCHER->stop;
264 $guard 280 $guard
265} 281}
266 282
267=item cf::async { BLOCK } 283=item cf::async { BLOCK }
… …
319 } 335 }
320} 336}
321 337
322=item $coro = cf::async_ext { BLOCK } 338=item $coro = cf::async_ext { BLOCK }
323 339
324Like async, but this coro is automcatially being canceled when the 340Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 341extension calling this is being unloaded.
326 342
327=cut 343=cut
328 344
329sub async_ext(&) { 345sub async_ext(&) {
… …
338 354
339 $coro 355 $coro
340} 356}
341 357
342sub write_runtime { 358sub write_runtime {
359 my $guard = cf::lock_acquire "write_runtime";
360
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";
… …
940=cut 848=cut
941 849
942sub register_extcmd { 850sub register_extcmd {
943 my ($name, $cb) = @_; 851 my ($name, $cb) = @_;
944 852
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 853 $EXTCMD{$name} = $cb;
949} 854}
950 855
951cf::player->attach ( 856cf::player->attach (
952 on_command => sub { 857 on_command => sub {
953 my ($pl, $name, $params) = @_; 858 my ($pl, $name, $params) = @_;
… …
966 871
967 my $msg = eval { from_json $buf }; 872 my $msg = eval { from_json $buf };
968 873
969 if (ref $msg) { 874 if (ref $msg) {
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 875 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 876 if (my %reply = $cb->($pl, $msg)) {
972 $pl->ext_reply ($msg->{msgid}, %reply); 877 $pl->ext_reply ($msg->{msgid}, %reply);
973 } 878 }
974 } 879 }
975 } else { 880 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 881 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
… …
978 883
979 cf::override; 884 cf::override;
980 }, 885 },
981); 886);
982 887
983sub register {
984 my ($base, $pkg) = @_;
985
986 #TODO
987}
988
989sub load_extension { 888sub load_extension {
990 my ($path) = @_; 889 my ($path) = @_;
991 890
992 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 891 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
993 my $base = $1; 892 my $base = $1;
994 my $pkg = $1; 893 my $pkg = $1;
995 $pkg =~ s/[^[:word:]]/_/g; 894 $pkg =~ s/[^[:word:]]/_/g;
996 $pkg = "ext::$pkg"; 895 $pkg = "ext::$pkg";
997 896
998 warn "loading '$path' into '$pkg'\n"; 897 warn "... loading '$path' into '$pkg'\n";
999 898
1000 open my $fh, "<:utf8", $path 899 open my $fh, "<:utf8", $path
1001 or die "$path: $!"; 900 or die "$path: $!";
1002 901
1003 my $source = 902 my $source =
1004 "package $pkg; use strict; use utf8;\n" 903 "package $pkg; use strict; use utf8;\n"
1005 . "#line 1 \"$path\"\n{\n" 904 . "#line 1 \"$path\"\n{\n"
1006 . (do { local $/; <$fh> }) 905 . (do { local $/; <$fh> })
1007 . "\n};\n1"; 906 . "\n};\n1";
1008 907
1009 eval $source 908 unless (eval $source) {
1010 or die $@ ? "$path: $@\n" 909 my $msg = $@ ? "$path: $@\n"
1011 : "extension disabled.\n"; 910 : "extension disabled.\n";
1012 911 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013 push @exts, $pkg; 912 warn $@;
1014 $ext_pkg{$base} = $pkg; 913 warn "mandatory extension failed to load, exiting.\n";
1015 914 exit 1;
1016# no strict 'refs'; 915 }
1017# @{"$pkg\::ISA"} = ext::; 916 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# } 917 }
1032 918
1033 # remove commands 919 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} 920}
1058 921
1059sub load_extensions { 922sub load_extensions {
1060 for my $ext (<$LIBDIR/*.ext>) { 923 for my $ext (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 924 next unless -r $ext;
… …
1065 } or warn "$ext not loaded: $@"; 928 } or warn "$ext not loaded: $@";
1066 } 929 }
1067} 930}
1068 931
1069############################################################################# 932#############################################################################
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 933
1085=head2 CORE EXTENSIONS 934=head2 CORE EXTENSIONS
1086 935
1087Functions and methods that extend core crossfire objects. 936Functions and methods that extend core crossfire objects.
1088 937
… …
1124 973
1125sub exists($) { 974sub exists($) {
1126 my ($login) = @_; 975 my ($login) = @_;
1127 976
1128 $cf::PLAYER{$login} 977 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 978 or cf::sync_job { !aio_stat path $login }
1130} 979}
1131 980
1132sub find($) { 981sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 982 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 983 my $login = $_[0];
… …
1180 1029
1181=cut 1030=cut
1182 1031
1183sub quit_character { 1032sub quit_character {
1184 my ($pl) = @_; 1033 my ($pl) = @_;
1034
1035 my $name = $pl->ob->name;
1185 1036
1186 $pl->{deny_save} = 1; 1037 $pl->{deny_save} = 1;
1187 $pl->password ("*"); # this should lock out the player until we nuked the dir 1038 $pl->password ("*"); # this should lock out the player until we nuked the dir
1188 1039
1189 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1040 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1194 my $path = playerdir $pl; 1045 my $path = playerdir $pl;
1195 my $temp = "$path~$cf::RUNTIME~deleting~"; 1046 my $temp = "$path~$cf::RUNTIME~deleting~";
1196 aio_rename $path, $temp; 1047 aio_rename $path, $temp;
1197 delete $cf::PLAYER{$pl->ob->name}; 1048 delete $cf::PLAYER{$pl->ob->name};
1198 $pl->destroy; 1049 $pl->destroy;
1050
1051 my $prefix = qr<^~\Q$name\E/>;
1052
1053 # nuke player maps
1054 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055
1199 IO::AIO::aio_rmtree $temp; 1056 IO::AIO::aio_rmtree $temp;
1200} 1057}
1201 1058
1202=item cf::player::list_logins 1059=item cf::player::list_logins
1203 1060
… …
1224 \@logins 1081 \@logins
1225} 1082}
1226 1083
1227=item $player->maps 1084=item $player->maps
1228 1085
1229Returns an arrayref of cf::path's of all maps that are private for this 1086Returns an arrayref of map paths that are private for this
1230player. May block. 1087player. May block.
1231 1088
1232=cut 1089=cut
1233 1090
1234sub maps($) { 1091sub maps($) {
1235 my ($pl) = @_; 1092 my ($pl) = @_;
1093
1094 $pl = ref $pl ? $pl->ob->name : $pl;
1236 1095
1237 my $files = aio_readdir playerdir $pl 1096 my $files = aio_readdir playerdir $pl
1238 or return; 1097 or return;
1239 1098
1240 my @paths; 1099 my @paths;
1241 1100
1242 for (@$files) { 1101 for (@$files) {
1243 utf8::decode $_; 1102 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1103 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1104 next unless /^$PATH_SEP/o;
1246 1105
1247 s/$PATH_SEP/\//g; 1106 push @paths, cf::map::normalise "~$pl/$_";
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249 } 1107 }
1250 1108
1251 \@paths 1109 \@paths
1252} 1110}
1253 1111
… …
1279package cf::map; 1137package cf::map;
1280 1138
1281use Fcntl; 1139use Fcntl;
1282use Coro::AIO; 1140use Coro::AIO;
1283 1141
1142use overload
1143 '""' => \&as_string,
1144 fallback => 1;
1145
1284our $MAX_RESET = 3600; 1146our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1147our $DEFAULT_RESET = 3000;
1286 1148
1287sub generate_random_map { 1149sub generate_random_map {
1288 my ($path, $rmp) = @_; 1150 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1151 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1152 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1153 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1154 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1155 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1156 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1157 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1158 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1159 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1160 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1161 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1162 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}) 1163 (cf::region::find $rmp->{region}), $rmp->{custom}
1164 )
1165}
1166
1167=item cf::map->register ($regex, $prio)
1168
1169Register a handler for the map path matching the given regex at the
1170givne priority (higher is better, built-in handlers have priority 0, the
1171default).
1172
1173=cut
1174
1175sub register {
1176 my (undef, $regex, $prio) = @_;
1177 my $pkg = caller;
1178
1179 no strict;
1180 push @{"$pkg\::ISA"}, __PACKAGE__;
1181
1182 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1183}
1184
1185# also paths starting with '/'
1186$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1187
1188sub thawer_merge {
1189 my ($self, $merge) = @_;
1190
1191 # we have to keep some variables in memory intact
1192 local $self->{path};
1193 local $self->{load_path};
1194 local $self->{deny_save};
1195 local $self->{deny_reset};
1196
1197 $self->SUPER::thawer_merge ($merge);
1198}
1199
1200sub normalise {
1201 my ($path, $base) = @_;
1202
1203 $path = "$path"; # make sure its a string
1204
1205 $path =~ s/\.map$//;
1206
1207 # map plan:
1208 #
1209 # /! non-realised random map exit (special hack!)
1210 # {... are special paths that are not being touched
1211 # ?xxx/... are special absolute paths
1212 # ?random/... random maps
1213 # /... normal maps
1214 # ~user/... per-player map of a specific user
1215
1216 $path =~ s/$PATH_SEP/\//go;
1217
1218 # treat it as relative path if it starts with
1219 # something that looks reasonable
1220 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1221 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1222
1223 $base =~ s{[^/]+/?$}{};
1224 $path = "$base/$path";
1225 }
1226
1227 for ($path) {
1228 redo if s{//}{/};
1229 redo if s{/\.?/}{/};
1230 redo if s{/[^/]+/\.\./}{/};
1231 }
1232
1233 $path
1234}
1235
1236sub new_from_path {
1237 my (undef, $path, $base) = @_;
1238
1239 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1240
1241 $path = normalise $path, $base;
1242
1243 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1244 if ($path =~ $EXT_MAP{$pkg}[1]) {
1245 my $self = bless cf::map::new, $pkg;
1246 $self->{path} = $path; $self->path ($path);
1247 $self->init; # pass $1 etc.
1248 return $self;
1249 }
1250 }
1251
1252 Carp::carp "unable to resolve path '$path' (base '$base').";
1253 ()
1254}
1255
1256sub init {
1257 my ($self) = @_;
1258
1259 $self
1260}
1261
1262sub as_string {
1263 my ($self) = @_;
1264
1265 "$self->{path}"
1266}
1267
1268# the displayed name, this is a one way mapping
1269sub visible_name {
1270 &as_string
1271}
1272
1273# the original (read-only) location
1274sub load_path {
1275 my ($self) = @_;
1276
1277 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1278}
1279
1280# the temporary/swap location
1281sub save_path {
1282 my ($self) = @_;
1283
1284 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1286}
1287
1288# the unique path, undef == no special unique path
1289sub uniq_path {
1290 my ($self) = @_;
1291
1292 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1293 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304} 1294}
1305 1295
1306# and all this just because we cannot iterate over 1296# and all this just because we cannot iterate over
1307# all maps in C++... 1297# all maps in C++...
1308sub change_all_map_light { 1298sub change_all_map_light {
… …
1310 1300
1311 $_->change_map_light ($change) 1301 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1302 for grep $_->outdoor, values %cf::MAP;
1313} 1303}
1314 1304
1305sub unlink_save {
1306 my ($self) = @_;
1307
1308 utf8::encode (my $save = $self->save_path);
1309 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1310 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1311}
1312
1315sub try_load_header($) { 1313sub load_header_from($) {
1316 my ($path) = @_; 1314 my ($self, $path) = @_;
1317 1315
1318 utf8::encode $path; 1316 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1317 #aio_open $path, O_RDONLY, 0
1318 # or return;
1319
1320 $self->_load_header ($path)
1320 or return; 1321 or return;
1321 1322
1322 my $map = cf::map::new 1323 $self->{load_path} = $path;
1324
1325 1
1326}
1327
1328sub load_header_orig {
1329 my ($self) = @_;
1330
1331 $self->load_header_from ($self->load_path)
1332}
1333
1334sub load_header_temp {
1335 my ($self) = @_;
1336
1337 $self->load_header_from ($self->save_path)
1338}
1339
1340sub prepare_temp {
1341 my ($self) = @_;
1342
1343 $self->last_access ((delete $self->{last_access})
1344 || $cf::RUNTIME); #d#
1345 # safety
1346 $self->{instantiate_time} = $cf::RUNTIME
1347 if $self->{instantiate_time} > $cf::RUNTIME;
1348}
1349
1350sub prepare_orig {
1351 my ($self) = @_;
1352
1353 $self->{load_original} = 1;
1354 $self->{instantiate_time} = $cf::RUNTIME;
1355 $self->last_access ($cf::RUNTIME);
1356 $self->instantiate;
1357}
1358
1359sub load_header {
1360 my ($self) = @_;
1361
1362 if ($self->load_header_temp) {
1363 $self->prepare_temp;
1364 } else {
1365 $self->load_header_orig
1323 or return; 1366 or return;
1367 $self->prepare_orig;
1368 }
1324 1369
1325 # for better error messages only, will be overwritten 1370 1
1326 $map->path ($path);
1327
1328 $map->load_header ($path)
1329 or return;
1330
1331 $map->{load_path} = $path;
1332
1333 $map
1334} 1371}
1335 1372
1336sub find; 1373sub find;
1337sub find { 1374sub find {
1338 my ($path, $origin) = @_; 1375 my ($path, $origin) = @_;
1339 1376
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1377 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1378
1345 cf::lock_wait "map_find:$key"; 1379 cf::lock_wait "map_find:$path";
1346 1380
1347 $cf::MAP{$key} || do { 1381 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1382 my $guard = cf::lock_acquire "map_find:$path";
1349 1383 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; 1384 or return;
1369 1385
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; 1386 $map->{last_save} = $cf::RUNTIME;
1382 1387
1383 Coro::cede; 1388 $map->load_header
1389 or return;
1384 1390
1385 if ($map->should_reset) { 1391 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1392 # doing this can freeze the server in a sync job, obviously
1393 #$cf::WAIT_FOR_TICK->wait;
1386 $map->reset; 1394 $map->reset;
1387 undef $guard; 1395 undef $guard;
1388 $map = find $path 1396 return find $path;
1389 or return;
1390 } 1397 }
1391 1398
1392 $cf::MAP{$key} = $map 1399 $cf::MAP{$path} = $map
1393 } 1400 }
1394} 1401}
1402
1403sub pre_load { }
1404sub post_load { }
1395 1405
1396sub load { 1406sub load {
1397 my ($self) = @_; 1407 my ($self) = @_;
1398 1408
1409 local $self->{deny_reset} = 1; # loading can take a long time
1410
1399 my $path = $self->{path}; 1411 my $path = $self->{path};
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1412 my $guard = cf::lock_acquire "map_load:$path";
1401 1413
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1414 return if $self->in_memory != cf::MAP_SWAPPED;
1403 1415
1404 $self->in_memory (cf::MAP_LOADING); 1416 $self->in_memory (cf::MAP_LOADING);
1405 1417
1406 $self->alloc; 1418 $self->alloc;
1419
1420 $self->pre_load;
1421
1407 $self->load_objects ($self->{load_path}, 1) 1422 $self->_load_objects ($self->{load_path}, 1)
1408 or return; 1423 or return;
1409 1424
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1425 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1426 if delete $self->{load_original};
1412 1427
1413 if (my $uniq = $path->uniq_path) { 1428 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1429 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1430 if (aio_open $uniq, O_RDONLY, 0) {
1416 $self->clear_unique_items; 1431 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1432 $self->_load_objects ($uniq, 0);
1418 } 1433 }
1419 } 1434 }
1420 1435
1421 Coro::cede; 1436 Coro::cede;
1422 1437
1423 # now do the right thing for maps 1438 # now do the right thing for maps
1424 $self->link_multipart_objects; 1439 $self->link_multipart_objects;
1425 1440
1426 if ($self->{path}->is_style_map) { 1441 unless ($self->{deny_activate}) {
1427 $self->{deny_save} = 1; 1442 $self->decay_objects;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply; 1443 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons; 1444 $self->update_buttons;
1445 Coro::cede;
1433 $self->set_darkness_map; 1446 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1447 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1448 unless $self->difficulty;
1449 Coro::cede;
1436 $self->activate; 1450 $self->activate;
1437 } 1451 }
1438 1452
1439 Coro::cede; 1453 $self->post_load;
1440 1454
1441 $self->in_memory (cf::MAP_IN_MEMORY); 1455 $self->in_memory (cf::MAP_IN_MEMORY);
1456}
1457
1458sub customise_for {
1459 my ($self, $ob) = @_;
1460
1461 return find "~" . $ob->name . "/" . $self->{path}
1462 if $self->per_player;
1463
1464 $self
1442} 1465}
1443 1466
1444# find and load all maps in the 3x3 area around a map 1467# find and load all maps in the 3x3 area around a map
1445sub load_diag { 1468sub load_diag {
1446 my ($map) = @_; 1469 my ($map) = @_;
… …
1476 1499
1477 cf::sync_job { $map->load }; 1500 cf::sync_job { $map->load };
1478} 1501}
1479 1502
1480our %MAP_PREFETCH; 1503our %MAP_PREFETCH;
1481our $MAP_PREFETCHER = Coro::async { 1504our $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 1505
1496sub find_async { 1506sub find_async {
1497 my ($path, $origin) = @_; 1507 my ($path, $origin) = @_;
1498 1508
1499 $path = new cf::path $path, $origin && $origin->path; 1509 $path = normalise $path, $origin && $origin->{path};
1500 my $key = $path->as_string;
1501 1510
1502 if (my $map = $cf::MAP{$key}) { 1511 if (my $map = $cf::MAP{$path}) {
1503 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1512 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504 } 1513 }
1505 1514
1506 $MAP_PREFETCH{$key} = $path; 1515 undef $MAP_PREFETCH{$path};
1516 $MAP_PREFETCHER ||= cf::async {
1517 while (%MAP_PREFETCH) {
1518 for my $path (keys %MAP_PREFETCH) {
1519 my $map = find $path
1520 or next;
1521 $map->load;
1522
1523 delete $MAP_PREFETCH{$path};
1524 }
1525 }
1526 undef $MAP_PREFETCHER;
1527 };
1507 $MAP_PREFETCHER->ready; 1528 $MAP_PREFETCHER->prio (6);
1508 1529
1509 () 1530 ()
1510} 1531}
1511 1532
1512sub save { 1533sub save {
… …
1516 1537
1517 $self->{last_save} = $cf::RUNTIME; 1538 $self->{last_save} = $cf::RUNTIME;
1518 1539
1519 return unless $self->dirty; 1540 return unless $self->dirty;
1520 1541
1521 my $save = $self->{path}->save_path; utf8::encode $save; 1542 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1543 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 1544
1524 $self->{load_path} = $save; 1545 $self->{load_path} = $save;
1525 1546
1526 return if $self->{deny_save}; 1547 return if $self->{deny_save};
1527 1548
… …
1530 cf::async { 1551 cf::async {
1531 $_->contr->save for $self->players; 1552 $_->contr->save for $self->players;
1532 }; 1553 };
1533 1554
1534 if ($uniq) { 1555 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1556 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 1557 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 1558 } else {
1538 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1559 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539 } 1560 }
1540} 1561}
1541 1562
1542sub swap_out { 1563sub swap_out {
1543 my ($self) = @_; 1564 my ($self) = @_;
… …
1557 1578
1558sub reset_at { 1579sub reset_at {
1559 my ($self) = @_; 1580 my ($self) = @_;
1560 1581
1561 # TODO: safety, remove and allow resettable per-player maps 1582 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel}; 1583 return 1e99 if $self->isa ("ext::map_per_player");#d#
1563 return 1e99 if $self->{deny_reset}; 1584 return 1e99 if $self->{deny_reset};
1564 1585
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1586 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1587 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 1588
… …
1572 my ($self) = @_; 1593 my ($self) = @_;
1573 1594
1574 $self->reset_at <= $cf::RUNTIME 1595 $self->reset_at <= $cf::RUNTIME
1575} 1596}
1576 1597
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 { 1598sub reset {
1599 my ($self) = @_; 1599 my ($self) = @_;
1600 1600
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 1601 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 1602
1603 return if $self->players; 1603 return if $self->players;
1604 return if $self->{path}{user_rel};#d# 1604 return if $self->isa ("ext::map_per_player");#d#
1605 1605
1606 warn "resetting map ", $self->path;#d# 1606 warn "resetting map ", $self->path;#d#
1607 1607
1608 $self->in_memory (cf::MAP_SWAPPED);
1609
1610 # need to save uniques path
1611 unless ($self->{deny_save}) {
1612 my $uniq = $self->uniq_path; utf8::encode $uniq;
1613
1614 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1615 if $uniq;
1616 }
1617
1608 delete $cf::MAP{$self->path}; 1618 delete $cf::MAP{$self->path};
1619
1620 $self->clear;
1609 1621
1610 $_->clear_links_to ($self) for values %cf::MAP; 1622 $_->clear_links_to ($self) for values %cf::MAP;
1611 1623
1612 $self->unlink_save; 1624 $self->unlink_save;
1613 $self->destroy; 1625 $self->destroy;
… …
1616my $nuke_counter = "aaaa"; 1628my $nuke_counter = "aaaa";
1617 1629
1618sub nuke { 1630sub nuke {
1619 my ($self) = @_; 1631 my ($self) = @_;
1620 1632
1633 delete $cf::MAP{$self->path};
1634
1635 $self->unlink_save;
1636
1637 bless $self, "cf::map";
1638 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 1639 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 1640 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 1641 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1642
1643 $cf::MAP{$self->path} = $self;
1644
1624 $self->reset; # polite request, might not happen 1645 $self->reset; # polite request, might not happen
1625} 1646}
1626 1647
1627sub customise_for { 1648=item cf::map::unique_maps
1628 my ($map, $ob) = @_;
1629 1649
1630 if ($map->per_player) { 1650Returns an arrayref of paths of all shared maps that have
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1651instantiated unique items. May block.
1632 }
1633 1652
1634 $map 1653=cut
1654
1655sub unique_maps() {
1656 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1657 or return;
1658
1659 my @paths;
1660
1661 for (@$files) {
1662 utf8::decode $_;
1663 next if /\.pst$/;
1664 next unless /^$PATH_SEP/o;
1665
1666 push @paths, cf::map::normalise $_;
1667 }
1668
1669 \@paths
1635} 1670}
1636 1671
1637package cf; 1672package cf;
1638 1673
1639=back 1674=back
… …
1711 1746
1712=item $player_object->enter_link 1747=item $player_object->enter_link
1713 1748
1714Freezes the player and moves him/her to a special map (C<{link}>). 1749Freezes the player and moves him/her to a special map (C<{link}>).
1715 1750
1716The player should be reaosnably safe there for short amounts of time. You 1751The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 1752I<MUST> call C<leave_link> as soon as possible, though.
1718 1753
1754Will never block.
1755
1719=item $player_object->leave_link ($map, $x, $y) 1756=item $player_object->leave_link ($map, $x, $y)
1720 1757
1721Moves the player out of the specila link map onto the given map. If the 1758Moves 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 1759map. 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, 1760to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 1761fails, to the emergency map position.
1725 1762
1726Might block. 1763Might block.
1727 1764
1728=cut 1765=cut
1766
1767sub link_map {
1768 unless ($LINK_MAP) {
1769 $LINK_MAP = cf::map::find "{link}"
1770 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1771 $LINK_MAP->load;
1772 }
1773
1774 $LINK_MAP
1775}
1729 1776
1730sub cf::object::player::enter_link { 1777sub cf::object::player::enter_link {
1731 my ($self) = @_; 1778 my ($self) = @_;
1732 1779
1733 $self->deactivate_recursive; 1780 $self->deactivate_recursive;
1734 1781
1735 return if $self->map == $LINK_MAP; 1782 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1783
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1784 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1785 if $self->map;
1739 1786
1740 $self->enter_map ($LINK_MAP, 20, 20); 1787 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 1788}
1742 1789
1743sub cf::object::player::leave_link { 1790sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1791 my ($self, $map, $x, $y) = @_;
1745 1792
… …
1767 $map->load; 1814 $map->load;
1768 $map->load_diag; 1815 $map->load_diag;
1769 1816
1770 return unless $self->contr->active; 1817 return unless $self->contr->active;
1771 $self->activate_recursive; 1818 $self->activate_recursive;
1819
1820 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772 $self->enter_map ($map, $x, $y); 1821 $self->enter_map ($map, $x, $y);
1773} 1822}
1774 1823
1775cf::player->attach ( 1824cf::player->attach (
1776 on_logout => sub { 1825 on_logout => sub {
… …
1789 # try to abort aborted map switching on player login :) 1838 # try to abort aborted map switching on player login :)
1790 # should happen only on crashes 1839 # should happen only on crashes
1791 if ($pl->ob->{_link_pos}) { 1840 if ($pl->ob->{_link_pos}) {
1792 $pl->ob->enter_link; 1841 $pl->ob->enter_link;
1793 (async { 1842 (async {
1794 # we need this sleep as the login has a concurrent enter_exit running
1795 # and this sleep increases chances of the player not ending up in scorn
1796 $pl->ob->reply (undef, 1843 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, " 1844 "There was an internal problem at your last logout, "
1798 . "the server will try to bring you to your intended destination in a second.", 1845 . "the server will try to bring you to your intended destination in a second.",
1799 cf::NDI_RED); 1846 cf::NDI_RED);
1847 # we need this sleep as the login has a concurrent enter_exit running
1848 # and this sleep increases chances of the player not ending up in scorn
1800 Coro::Timer::sleep 1; 1849 Coro::Timer::sleep 1;
1801 $pl->ob->leave_link; 1850 $pl->ob->leave_link;
1802 })->prio (2); 1851 })->prio (2);
1803 } 1852 }
1804 }, 1853 },
… …
1809=cut 1858=cut
1810 1859
1811sub cf::object::player::goto { 1860sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1861 my ($self, $path, $x, $y) = @_;
1813 1862
1814 $path = new cf::path $path;
1815 $path ne "/" or Carp::cluck ("oy");#d#
1816
1817 $self->enter_link; 1863 $self->enter_link;
1818 1864
1819 (async { 1865 (async {
1866 my $map = eval {
1820 my $map = cf::map::find $path->as_string; 1867 my $map = cf::map::find $path;
1821 $map = $map->customise_for ($self) if $map; 1868 $map = $map->customise_for ($self) if $map;
1822 1869 $map
1823# warn "entering ", $map->path, " at ($x, $y)\n" 1870 } or
1824# if $map;
1825
1826 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1871 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1827 1872
1828 $self->leave_link ($map, $x, $y); 1873 $self->leave_link ($map, $x, $y);
1829 })->prio (1); 1874 })->prio (1);
1830} 1875}
1831 1876
… …
1835 1880
1836sub parse_random_map_params { 1881sub parse_random_map_params {
1837 my ($spec) = @_; 1882 my ($spec) = @_;
1838 1883
1839 my $rmp = { # defaults 1884 my $rmp = { # defaults
1840 xsize => 10, 1885 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 1886 ysize => (cf::rndm 15, 40),
1887 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1888 #layout => string,
1842 }; 1889 };
1843 1890
1844 for (split /\n/, $spec) { 1891 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 1892 my ($k, $v) = split /\s+/, $_, 2;
1846 1893
… …
1850 $rmp 1897 $rmp
1851} 1898}
1852 1899
1853sub prepare_random_map { 1900sub prepare_random_map {
1854 my ($exit) = @_; 1901 my ($exit) = @_;
1902
1903 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 1904
1856 # all this does is basically replace the /! path by 1905 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 1906 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 1907 # that depends on the exit object
1859 1908
1860 my $rmp = parse_random_map_params $exit->msg; 1909 my $rmp = parse_random_map_params $exit->msg;
1861 1910
1862 if ($exit->map) { 1911 if ($exit->map) {
1863 $rmp->{region} = $exit->map->region_name; 1912 $rmp->{region} = $exit->region->name;
1864 $rmp->{origin_map} = $exit->map->path; 1913 $rmp->{origin_map} = $exit->map->path;
1865 $rmp->{origin_x} = $exit->x; 1914 $rmp->{origin_x} = $exit->x;
1866 $rmp->{origin_y} = $exit->y; 1915 $rmp->{origin_y} = $exit->y;
1867 } 1916 }
1868 1917
1869 $rmp->{random_seed} ||= $exit->random_seed; 1918 $rmp->{random_seed} ||= $exit->random_seed;
1870 1919
1871 my $data = cf::to_json $rmp; 1920 my $data = cf::to_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 1921 my $md5 = Digest::MD5::md5_hex $data;
1922 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873 1923
1874 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1924 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875 aio_write $fh, 0, (length $data), $data, 0; 1925 aio_write $fh, 0, (length $data), $data, 0;
1926 undef $fh;
1927 aio_rename "$meta~", $meta;
1876 1928
1877 $exit->slaying ("?random/$md5"); 1929 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 1930 $exit->msg (undef);
1879 } 1931 }
1880} 1932}
1881 1933
1882sub cf::object::player::enter_exit { 1934sub cf::object::player::enter_exit {
1883 my ($self, $exit) = @_; 1935 my ($self, $exit) = @_;
1884 1936
1885 return unless $self->type == cf::PLAYER; 1937 return unless $self->type == cf::PLAYER;
1938
1939 if ($exit->slaying eq "/!") {
1940 #TODO: this should de-fi-ni-te-ly not be a sync-job
1941 cf::sync_job { prepare_random_map $exit };
1942 }
1943
1944 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945 my $hp = $exit->stats->hp;
1946 my $sp = $exit->stats->sp;
1886 1947
1887 $self->enter_link; 1948 $self->enter_link;
1888 1949
1889 (async { 1950 (async {
1890 $self->deactivate_recursive; # just to be sure 1951 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 1952 unless (eval {
1892 prepare_random_map $exit 1953 $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 1954
1898 1; 1955 1;
1899 }) { 1956 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 1957 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "I'll try to bring you back to the map you were before. " 1958 . "I'll try to bring you back to the map you were before. "
1902 . "Please report this to the dungeon master", 1959 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 1960 cf::NDI_UNIQUE | cf::NDI_RED);
1904 1961
1905 warn "ERROR in enter_exit: $@"; 1962 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 1963 $self->leave_link;
1907 } 1964 }
… …
1962 # get handled first 2019 # get handled first
1963 my $queue = delete $ns->{query_queue} 2020 my $queue = delete $ns->{query_queue}
1964 or return; # be conservative, not sure how that can happen, but we saw a crash here 2021 or return; # be conservative, not sure how that can happen, but we saw a crash here
1965 2022
1966 (shift @$queue)->[1]->($msg); 2023 (shift @$queue)->[1]->($msg);
2024 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967 2025
1968 push @{ $ns->{query_queue} }, @$queue; 2026 push @{ $ns->{query_queue} }, @$queue;
1969 2027
1970 if (@{ $ns->{query_queue} } == @$queue) { 2028 if (@{ $ns->{query_queue} } == @$queue) {
1971 if (@$queue) { 2029 if (@$queue) {
… …
2132The parameter C<$family> should best start with the name of the extension 2190The parameter C<$family> should best start with the name of the extension
2133using it, it should be unique. 2191using it, it should be unique.
2134 2192
2135=over 4 2193=over 4
2136 2194
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 2195=item $value = cf::db_get $family => $key
2144 2196
2145Returns a single value from the database 2197Returns 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 2198
2152=item cf::db_put $family => $key => $value 2199=item cf::db_put $family => $key => $value
2153 2200
2154Stores the given C<$value> in the family hash. Updates are delayed, if you 2201Stores 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 2202
2165=cut 2203=cut
2166 2204
2167our $DB; 2205our $DB;
2168 2206
2169{ 2207sub db_init {
2208 unless ($DB) {
2209 $DB = BDB::db_create $DB_ENV;
2210
2211 cf::sync_job {
2212 eval {
2213 $DB->set_flags (BDB::CHKSUM);
2214
2215 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217 cf::cleanup "db_open(db): $!" if $!;
2218 };
2219 cf::cleanup "db_open(db): $@" if $@;
2220 };
2221
2170 my $path = cf::localdir . "/database.pst"; 2222 my $path = cf::localdir . "/database.pst";
2223 if (stat $path) {
2224 cf::sync_job {
2225 my $pst = Storable::retrieve $path;
2171 2226
2172 sub db_load() { 2227 cf::db_put (board => data => $pst->{board});
2173 $DB = stat $path ? Storable::retrieve $path : { }; 2228 cf::db_put (guildrules => data => $pst->{guildrules});
2174 } 2229 cf::db_put (rent => balance => $pst->{rent}{balance});
2230 BDB::db_env_txn_checkpoint $DB_ENV;
2175 2231
2176 my $pid; 2232 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 } 2233 };
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 }, 2234 }
2224 ); 2235 }
2236}
2237
2238sub db_get($$) {
2239 my $key = "$_[0]/$_[1]";
2240
2241 cf::sync_job {
2242 BDB::db_get $DB, undef, $key, my $data;
2243
2244 $! ? ()
2245 : Compress::LZF::sthaw $data
2246 }
2247}
2248
2249sub db_put($$$) {
2250 BDB::dbreq_pri 4;
2251 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2225} 2252}
2226 2253
2227############################################################################# 2254#############################################################################
2228# the server's main() 2255# the server's init and main functions
2256
2257sub init_resources {
2258 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2259 or die "unable to load regions file\n";#d#
2260}
2229 2261
2230sub cfg_load { 2262sub cfg_load {
2231 open my $fh, "<:utf8", cf::confdir . "/config" 2263 open my $fh, "<:utf8", cf::confdir . "/config"
2232 or return; 2264 or return;
2233 2265
… …
2246 }; 2278 };
2247 warn $@ if $@; 2279 warn $@ if $@;
2248 } 2280 }
2249} 2281}
2250 2282
2283sub init {
2284 init_resources;
2285}
2286
2251sub main { 2287sub main {
2252 # we must not ever block the main coroutine 2288 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 2289 local $Coro::idle = sub {
2254 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2290 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2291 (async {
2255 async { Event::one_event }; 2292 Event::one_event;
2293 })->prio (Coro::PRIO_MAX);
2256 }; 2294 };
2257 2295
2258 cfg_load; 2296 cfg_load;
2259 db_load; 2297 db_init;
2260 load_extensions; 2298 load_extensions;
2299
2300 $TICK_WATCHER->start;
2261 Event::loop; 2301 Event::loop;
2262} 2302}
2263 2303
2264############################################################################# 2304#############################################################################
2265# initialisation and cleanup 2305# initialisation and cleanup
2266 2306
2267# install some emergency cleanup handlers 2307# install some emergency cleanup handlers
2268BEGIN { 2308BEGIN {
2269 for my $signal (qw(INT HUP TERM)) { 2309 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 2310 Event->signal (
2311 reentrant => 0,
2271 data => WF_AUTOCANCEL, 2312 data => WF_AUTOCANCEL,
2272 signal => $signal, 2313 signal => $signal,
2314 prio => 0,
2273 cb => sub { 2315 cb => sub {
2274 cf::cleanup "SIG$signal"; 2316 cf::cleanup "SIG$signal";
2275 }, 2317 },
2276 ); 2318 );
2277 } 2319 }
2278} 2320}
… …
2283 warn "enter emergency perl save\n"; 2325 warn "enter emergency perl save\n";
2284 2326
2285 cf::sync_job { 2327 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 2328 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 2329 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 2330 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 2331 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 2332 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 2333 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 2334 $pl->valid or next;
2293 $pl->save; 2335 $pl->save;
… …
2299 my $map = $cf::MAP{$path} or next; 2341 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 2342 $map->valid or next;
2301 $map->save; 2343 $map->save;
2302 } 2344 }
2303 warn "end emergency map save\n"; 2345 warn "end emergency map save\n";
2346
2347 warn "begin emergency database checkpoint\n";
2348 BDB::db_env_txn_checkpoint $DB_ENV;
2349 warn "end emergency database checkpoint\n";
2304 }; 2350 };
2305 2351
2306 warn "leave emergency perl save\n"; 2352 warn "leave emergency perl save\n";
2353}
2354
2355sub post_cleanup {
2356 my ($make_core) = @_;
2357
2358 warn Carp::longmess "post_cleanup backtrace"
2359 if $make_core;
2307} 2360}
2308 2361
2309sub reload() { 2362sub reload() {
2310 # can/must only be called in main 2363 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 2364 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 2365 warn "can only reload from main coroutine";
2313 return; 2366 return;
2314 } 2367 }
2315 2368
2316 warn "reloading..."; 2369 warn "reloading...";
2317 2370
2318 my $guard = freeze_mainloop; 2371 warn "entering sync_job";
2372
2373 cf::sync_job {
2374 cf::write_runtime; # external watchdog should not bark
2319 cf::emergency_save; 2375 cf::emergency_save;
2376 cf::write_runtime; # external watchdog should not bark
2320 2377
2321 eval { 2378 warn "syncing database to disk";
2379 BDB::db_env_txn_checkpoint $DB_ENV;
2380
2322 # if anything goes wrong in here, we should simply crash as we already saved 2381 # if anything goes wrong in here, we should simply crash as we already saved
2323 2382
2324 # cancel all watchers 2383 warn "cancelling all WF_AUTOCANCEL watchers";
2325 for (Event::all_watchers) { 2384 for (Event::all_watchers) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 2385 $_->cancel if $_->data & WF_AUTOCANCEL;
2327 } 2386 }
2328 2387
2388 warn "flushing outstanding aio requests";
2389 for (;;) {
2390 BDB::flush;
2391 IO::AIO::flush;
2392 Coro::cede;
2393 last unless IO::AIO::nreqs || BDB::nreqs;
2394 warn "iterate...";
2395 }
2396
2329 # cancel all extension coros 2397 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 2398 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 2399 %EXT_CORO = ();
2332 2400
2333 # unload all extensions 2401 warn "removing commands";
2334 for (@exts) { 2402 %COMMAND = ();
2403
2404 warn "removing ext commands";
2405 %EXTCMD = ();
2406
2407 warn "unloading/nuking all extensions";
2408 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 2409 warn "... unloading $pkg";
2336 unload_extension $_; 2410
2411 if (my $cb = $pkg->can ("unload")) {
2412 eval {
2413 $cb->($pkg);
2414 1
2415 } or warn "$pkg unloaded, but with errors: $@";
2337 } 2416 }
2338 2417
2418 warn "... nuking $pkg";
2419 Symbol::delete_package $pkg;
2420 }
2421
2339 # unload all modules loaded from $LIBDIR 2422 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 2423 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2424 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 2425
2343 warn "removing <$k>"; 2426 warn "... unloading $k";
2344 delete $INC{$k}; 2427 delete $INC{$k};
2345 2428
2346 $k =~ s/\.pm$//; 2429 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 2430 $k =~ s/\//::/g;
2348 2431
… …
2351 } 2434 }
2352 2435
2353 Symbol::delete_package $k; 2436 Symbol::delete_package $k;
2354 } 2437 }
2355 2438
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 2439 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 2440 Symbol::delete_package "safe::$_"
2362 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2441 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363 2442
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 2443 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 2444 delete $INC{"cf.pm"};
2369 2445
2370 # don't, removes xs symbols, too, 2446 # don't, removes xs symbols, too,
2371 # and global variables created in xs 2447 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 2448 #Symbol::delete_package __PACKAGE__;
2373 2449
2374 # reload cf.pm 2450 warn "unload completed, starting to reload now";
2451
2375 warn "reloading cf.pm"; 2452 warn "reloading cf.pm";
2376 require cf; 2453 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2454 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 2455
2379 # load config and database again 2456 warn "loading config and database again";
2380 cf::cfg_load; 2457 cf::cfg_load;
2381 cf::db_load;
2382 2458
2383 # load extensions
2384 warn "load extensions"; 2459 warn "loading extensions";
2385 cf::load_extensions; 2460 cf::load_extensions;
2386 2461
2387 # reattach attachments to objects 2462 warn "reattaching attachments to objects/players";
2388 warn "reattach";
2389 _global_reattach; 2463 _global_reattach;
2464 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 2465 reattach $_ for values %MAP;
2391 };
2392 2466
2393 if ($@) { 2467 warn "loading reloadable resources";
2468 init_resources;
2469
2470 warn "leaving sync_job";
2471
2472 1
2473 } or do {
2394 warn $@; 2474 warn $@;
2395 warn "error while reloading, exiting."; 2475 warn "error while reloading, exiting.";
2396 exit 1; 2476 exit 1;
2397 } 2477 };
2398 2478
2399 warn "reloaded successfully"; 2479 warn "reloaded";
2400}; 2480};
2401 2481
2402############################################################################# 2482our $RELOAD_WATCHER; # used only during reload
2403
2404unless ($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} = $LINK_MAP;
2443}
2444
2445register "<global>", __PACKAGE__;
2446 2483
2447register_command "reload" => sub { 2484register_command "reload" => sub {
2448 my ($who, $arg) = @_; 2485 my ($who, $arg) = @_;
2449 2486
2450 if ($who->flag (FLAG_WIZ)) { 2487 if ($who->flag (FLAG_WIZ)) {
2451 $who->message ("start of reload."); 2488 $who->message ("reloading server.");
2489
2490 # doing reload synchronously and two reloads happen back-to-back,
2491 # coro crashes during coro_state_free->destroy here.
2492
2493 $RELOAD_WATCHER ||= Event->timer (
2494 reentrant => 0,
2495 after => 0,
2496 data => WF_AUTOCANCEL,
2497 cb => sub {
2452 reload; 2498 reload;
2453 $who->message ("end of reload."); 2499 undef $RELOAD_WATCHER;
2500 },
2501 );
2454 } 2502 }
2455}; 2503};
2456 2504
2457unshift @INC, $LIBDIR; 2505unshift @INC, $LIBDIR;
2506
2507my $bug_warning = 0;
2458 2508
2459$TICK_WATCHER = Event->timer ( 2509$TICK_WATCHER = Event->timer (
2460 reentrant => 0, 2510 reentrant => 0,
2511 parked => 1,
2461 prio => 0, 2512 prio => 0,
2462 at => $NEXT_TICK || $TICK, 2513 at => $NEXT_TICK || $TICK,
2463 data => WF_AUTOCANCEL, 2514 data => WF_AUTOCANCEL,
2464 cb => sub { 2515 cb => sub {
2516 if ($Coro::current != $Coro::main) {
2517 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518 unless ++$bug_warning > 10;
2519 return;
2520 }
2521
2522 $NOW = Event::time;
2523
2465 cf::server_tick; # one server iteration 2524 cf::server_tick; # one server iteration
2466 $RUNTIME += $TICK; 2525 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 2526 $NEXT_TICK += $TICK;
2468 2527
2528 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529 $NEXT_RUNTIME_WRITE = $NOW + 10;
2530 Coro::async_pool {
2531 write_runtime
2532 or warn "ERROR: unable to write runtime file: $!";
2533 };
2534 }
2535
2469 $WAIT_FOR_TICK->broadcast; 2536 $WAIT_FOR_TICK->broadcast;
2470 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2537 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539# my $AFTER = Event::time;
2540# warn $AFTER - $NOW;#d#
2471 2541
2472 # if we are delayed by four ticks or more, skip them all 2542 # if we are delayed by four ticks or more, skip them all
2473 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2543 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474 2544
2475 $TICK_WATCHER->at ($NEXT_TICK); 2545 $TICK_WATCHER->at ($NEXT_TICK);
2476 $TICK_WATCHER->start; 2546 $TICK_WATCHER->start;
2477 }, 2547 },
2478); 2548);
2479 2549
2550{
2480IO::AIO::max_poll_time $TICK * 0.2; 2551 BDB::max_poll_time $TICK * 0.1;
2481 2552 $BDB_POLL_WATCHER = Event->io (
2482Event->io ( 2553 reentrant => 0,
2483 fd => IO::AIO::poll_fileno, 2554 fd => BDB::poll_fileno,
2484 poll => 'r', 2555 poll => 'r',
2485 prio => 5, 2556 prio => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb,
2488);
2489
2490Event->timer (
2491 data => WF_AUTOCANCEL, 2557 data => WF_AUTOCANCEL,
2492 after => 0, 2558 cb => \&BDB::poll_cb,
2493 interval => 10, 2559 );
2494 cb => sub { 2560 BDB::min_parallel 8;
2495 (Coro::unblock_sub { 2561
2496 write_runtime 2562 BDB::set_sync_prepare {
2497 or warn "ERROR: unable to write runtime file: $!"; 2563 my $status;
2564 my $current = $Coro::current;
2565 (
2566 sub {
2567 $status = $!;
2568 $current->ready; undef $current;
2569 },
2570 sub {
2571 Coro::schedule while defined $current;
2572 $! = $status;
2573 },
2574 )
2575 };
2576
2577 unless ($DB_ENV) {
2578 $DB_ENV = BDB::db_env_create;
2579
2580 cf::sync_job {
2581 eval {
2582 BDB::db_env_open
2583 $DB_ENV,
2584 $BDB_ENV_DIR,
2585 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587 0666;
2588
2589 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2590
2591 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592 $DB_ENV->set_lk_detect;
2593 };
2594
2595 cf::cleanup "db_env_open(db): $@" if $@;
2498 })->(); 2596 };
2499 }, 2597 }
2500); 2598}
2599
2600{
2601 IO::AIO::min_parallel 8;
2602
2603 undef $Coro::AIO::WATCHER;
2604 IO::AIO::max_poll_time $TICK * 0.1;
2605 $AIO_POLL_WATCHER = Event->io (
2606 reentrant => 0,
2607 data => WF_AUTOCANCEL,
2608 fd => IO::AIO::poll_fileno,
2609 poll => 'r',
2610 prio => 6,
2611 cb => \&IO::AIO::poll_cb,
2612 );
2613}
2501 2614
2502END { cf::emergency_save } 2615END { cf::emergency_save }
2503 2616
25041 26171
2505 2618

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