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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.222 by root, Tue Mar 6 03:06:00 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
372use overload
373 '""' => \&as_string;
374
375# used to convert map paths into valid unix filenames by repalcing / by ∕
376our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378sub new {
379 my ($class, $path, $base) = @_;
380
381 $path = $path->as_string if ref $path;
382
383 my $self = bless { }, $class;
384
385 # {... are special paths that are not touched
386 # ?xxx/... are special absolute paths
387 # ?random/... random maps
388 # /! non-realised random map exit
389 # /... normal maps
390 # ~/... per-player maps without a specific player (DO NOT USE)
391 # ~user/... per-player map of a specific user
392
393 $path =~ s/$PATH_SEP/\//go;
394
395 if ($path =~ /^{/) {
396 # fine as it is
397 } elsif ($path =~ s{^\?random/}{}) {
398 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399 $self->{random} = cf::from_json $data;
400 } else {
401 if ($path =~ s{^~([^/]+)?}{}) {
402 $self->{user_rel} = 1;
403
404 if (defined $1) {
405 $self->{user} = $1;
406 } elsif ($base =~ m{^~([^/]+)/}) {
407 $self->{user} = $1;
408 } else {
409 warn "cannot resolve user-relative path without user <$path,$base>\n";
410 }
411 } elsif ($path =~ /^\//) {
412 # already absolute
413 } else {
414 $base =~ s{[^/]+/?$}{};
415 return $class->new ("$base/$path");
416 }
417
418 for ($path) {
419 redo if s{/\.?/}{/};
420 redo if s{/[^/]+/\.\./}{/};
421 }
422 }
423
424 $self->{path} = $path;
425
426 $self
427}
428
429# the name / primary key / in-game path
430sub as_string {
431 my ($self) = @_;
432
433 $self->{user_rel} ? "~$self->{user}$self->{path}"
434 : $self->{random} ? "?random/$self->{path}"
435 : $self->{path}
436}
437
438# the displayed name, this is a one way mapping
439sub visible_name {
440 my ($self) = @_;
441
442# if (my $rmp = $self->{random}) {
443# # todo: be more intelligent about this
444# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445# } else {
446 $self->as_string
447# }
448}
449
450# escape the /'s in the path
451sub _escaped_path {
452 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453 $path
454}
455
456# the original (read-only) location
457sub load_path {
458 my ($self) = @_;
459
460 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461}
462
463# the temporary/swap location
464sub save_path {
465 my ($self) = @_;
466
467 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470}
471
472# the unique path, might be eq to save_path
473sub uniq_path {
474 my ($self) = @_;
475
476 $self->{user_rel} || $self->{random}
477 ? undef
478 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479}
480
481# return random map parameters, or undef
482sub random_map_params {
483 my ($self) = @_;
484
485 $self->{random}
486}
487
488# this is somewhat ugly, but style maps do need special treatment
489sub is_style_map {
490 $_[0]{path} =~ m{^/styles/}
491}
492
493package cf;
494 389
495############################################################################# 390#############################################################################
496 391
497=head2 ATTACHABLE OBJECTS 392=head2 ATTACHABLE OBJECTS
498 393
624our @CB_TYPE = (); # registry for type (cf-object class) based events 519our @CB_TYPE = (); # registry for type (cf-object class) based events
625our @CB_MAP = (); 520our @CB_MAP = ();
626 521
627my %attachment; 522my %attachment;
628 523
524sub cf::attachable::thawer_merge {
525 # simply override everything except _meta
526 local $_[0]{_meta};
527 %{$_[0]} = %{$_[1]};
528}
529
629sub _attach_cb($$$$) { 530sub _attach_cb($$$$) {
630 my ($registry, $event, $prio, $cb) = @_; 531 my ($registry, $event, $prio, $cb) = @_;
631 532
632 use sort 'stable'; 533 use sort 'stable';
633 534
804# object support 705# object support
805 706
806sub reattach { 707sub reattach {
807 # basically do the same as instantiate, without calling instantiate 708 # basically do the same as instantiate, without calling instantiate
808 my ($obj) = @_; 709 my ($obj) = @_;
710
711 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809 712
810 my $registry = $obj->registry; 713 my $registry = $obj->registry;
811 714
812 @$registry = (); 715 @$registry = ();
813 716
860 $filename, length $$rdata, scalar @$objs; 763 $filename, length $$rdata, scalar @$objs;
861 764
862 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863 chmod SAVE_MODE, $fh; 766 chmod SAVE_MODE, $fh;
864 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 767 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865 aio_fsync $fh; 768 aio_fsync $fh if $cf::USE_FSYNC;
866 close $fh; 769 close $fh;
867 770
868 if (@$objs) { 771 if (@$objs) {
869 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) {
870 chmod SAVE_MODE, $fh; 773 chmod SAVE_MODE, $fh;
871 my $data = Storable::nfreeze { version => 1, objs => $objs }; 774 my $data = Storable::nfreeze { version => 1, objs => $objs };
872 aio_write $fh, 0, (length $data), $data, 0; 775 aio_write $fh, 0, (length $data), $data, 0;
873 aio_fsync $fh; 776 aio_fsync $fh if $cf::USE_FSYNC;
874 close $fh; 777 close $fh;
875 aio_rename "$filename.pst~", "$filename.pst"; 778 aio_rename "$filename.pst~", "$filename.pst";
876 } 779 }
877 } else { 780 } else {
878 aio_unlink "$filename.pst"; 781 aio_unlink "$filename.pst";
945=cut 848=cut
946 849
947sub register_extcmd { 850sub register_extcmd {
948 my ($name, $cb) = @_; 851 my ($name, $cb) = @_;
949 852
950 my $caller = caller;
951 #warn "registering extcmd '$name' to '$caller'";
952
953 $EXTCMD{$name} = [$cb, $caller]; 853 $EXTCMD{$name} = $cb;
954} 854}
955 855
956cf::player->attach ( 856cf::player->attach (
957 on_command => sub { 857 on_command => sub {
958 my ($pl, $name, $params) = @_; 858 my ($pl, $name, $params) = @_;
971 871
972 my $msg = eval { from_json $buf }; 872 my $msg = eval { from_json $buf };
973 873
974 if (ref $msg) { 874 if (ref $msg) {
975 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 875 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976 if (my %reply = $cb->[0]->($pl, $msg)) { 876 if (my %reply = $cb->($pl, $msg)) {
977 $pl->ext_reply ($msg->{msgid}, %reply); 877 $pl->ext_reply ($msg->{msgid}, %reply);
978 } 878 }
979 } 879 }
980 } else { 880 } else {
981 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 881 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
983 883
984 cf::override; 884 cf::override;
985 }, 885 },
986); 886);
987 887
988sub register {
989 my ($base, $pkg) = @_;
990
991 #TODO
992}
993
994sub load_extension { 888sub load_extension {
995 my ($path) = @_; 889 my ($path) = @_;
996 890
997 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 891 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
998 my $base = $1; 892 my $base = $1;
999 my $pkg = $1; 893 my $pkg = $1;
1000 $pkg =~ s/[^[:word:]]/_/g; 894 $pkg =~ s/[^[:word:]]/_/g;
1001 $pkg = "ext::$pkg"; 895 $pkg = "ext::$pkg";
1002 896
1003 warn "loading '$path' into '$pkg'\n"; 897 warn "... loading '$path' into '$pkg'\n";
1004 898
1005 open my $fh, "<:utf8", $path 899 open my $fh, "<:utf8", $path
1006 or die "$path: $!"; 900 or die "$path: $!";
1007 901
1008 my $source = 902 my $source =
1009 "package $pkg; use strict; use utf8;\n" 903 "package $pkg; use strict; use utf8;\n"
1010 . "#line 1 \"$path\"\n{\n" 904 . "#line 1 \"$path\"\n{\n"
1011 . (do { local $/; <$fh> }) 905 . (do { local $/; <$fh> })
1012 . "\n};\n1"; 906 . "\n};\n1";
1013 907
1014 eval $source 908 unless (eval $source) {
1015 or die $@ ? "$path: $@\n" 909 my $msg = $@ ? "$path: $@\n"
1016 : "extension disabled.\n"; 910 : "extension disabled.\n";
1017 911 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018 push @exts, $pkg; 912 warn $@;
1019 $ext_pkg{$base} = $pkg; 913 warn "mandatory extension failed to load, exiting.\n";
1020 914 exit 1;
1021# no strict 'refs'; 915 }
1022# @{"$pkg\::ISA"} = ext::; 916 die $@;
1023
1024 register $base, $pkg;
1025}
1026
1027sub unload_extension {
1028 my ($pkg) = @_;
1029
1030 warn "removing extension $pkg\n";
1031
1032 # remove hooks
1033 #TODO
1034# for my $idx (0 .. $#PLUGIN_EVENT) {
1035# delete $hook[$idx]{$pkg};
1036# } 917 }
1037 918
1038 # remove commands 919 push @EXTS, $pkg;
1039 for my $name (keys %COMMAND) {
1040 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042 if (@cb) {
1043 $COMMAND{$name} = \@cb;
1044 } else {
1045 delete $COMMAND{$name};
1046 }
1047 }
1048
1049 # remove extcmds
1050 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051 delete $EXTCMD{$name};
1052 }
1053
1054 if (my $cb = $pkg->can ("unload")) {
1055 eval {
1056 $cb->($pkg);
1057 1
1058 } or warn "$pkg unloaded, but with errors: $@";
1059 }
1060
1061 Symbol::delete_package $pkg;
1062} 920}
1063 921
1064sub load_extensions { 922sub load_extensions {
1065 for my $ext (<$LIBDIR/*.ext>) { 923 for my $ext (<$LIBDIR/*.ext>) {
1066 next unless -r $ext; 924 next unless -r $ext;
1070 } or warn "$ext not loaded: $@"; 928 } or warn "$ext not loaded: $@";
1071 } 929 }
1072} 930}
1073 931
1074############################################################################# 932#############################################################################
1075# load/save/clean perl data associated with a map
1076
1077*cf::mapsupport::on_clean = sub {
1078 my ($map) = @_;
1079
1080 my $path = $map->tmpname;
1081 defined $path or return;
1082
1083 unlink "$path.pst";
1084};
1085
1086cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088#############################################################################
1089 933
1090=head2 CORE EXTENSIONS 934=head2 CORE EXTENSIONS
1091 935
1092Functions and methods that extend core crossfire objects. 936Functions and methods that extend core crossfire objects.
1093 937
1129 973
1130sub exists($) { 974sub exists($) {
1131 my ($login) = @_; 975 my ($login) = @_;
1132 976
1133 $cf::PLAYER{$login} 977 $cf::PLAYER{$login}
1134 or cf::sync_job { !aio_stat $login } 978 or cf::sync_job { !aio_stat path $login }
1135} 979}
1136 980
1137sub find($) { 981sub find($) {
1138 return $cf::PLAYER{$_[0]} || do { 982 return $cf::PLAYER{$_[0]} || do {
1139 my $login = $_[0]; 983 my $login = $_[0];
1185 1029
1186=cut 1030=cut
1187 1031
1188sub quit_character { 1032sub quit_character {
1189 my ($pl) = @_; 1033 my ($pl) = @_;
1034
1035 my $name = $pl->ob->name;
1190 1036
1191 $pl->{deny_save} = 1; 1037 $pl->{deny_save} = 1;
1192 $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
1193 1039
1194 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1040 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1199 my $path = playerdir $pl; 1045 my $path = playerdir $pl;
1200 my $temp = "$path~$cf::RUNTIME~deleting~"; 1046 my $temp = "$path~$cf::RUNTIME~deleting~";
1201 aio_rename $path, $temp; 1047 aio_rename $path, $temp;
1202 delete $cf::PLAYER{$pl->ob->name}; 1048 delete $cf::PLAYER{$pl->ob->name};
1203 $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
1204 IO::AIO::aio_rmtree $temp; 1056 IO::AIO::aio_rmtree $temp;
1057}
1058
1059=item $pl->kick
1060
1061Kicks a player out of the game. This destroys the connection.
1062
1063=cut
1064
1065sub kick {
1066 my ($pl, $kicker) = @_;
1067
1068 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1069 $pl->killer ("kicked");
1070 $pl->ns->destroy;
1205} 1071}
1206 1072
1207=item cf::player::list_logins 1073=item cf::player::list_logins
1208 1074
1209Returns am arrayref of all valid playernames in the system, can take a 1075Returns am arrayref of all valid playernames in the system, can take a
1229 \@logins 1095 \@logins
1230} 1096}
1231 1097
1232=item $player->maps 1098=item $player->maps
1233 1099
1234Returns an arrayref of cf::path's of all maps that are private for this 1100Returns an arrayref of map paths that are private for this
1235player. May block. 1101player. May block.
1236 1102
1237=cut 1103=cut
1238 1104
1239sub maps($) { 1105sub maps($) {
1240 my ($pl) = @_; 1106 my ($pl) = @_;
1107
1108 $pl = ref $pl ? $pl->ob->name : $pl;
1241 1109
1242 my $files = aio_readdir playerdir $pl 1110 my $files = aio_readdir playerdir $pl
1243 or return; 1111 or return;
1244 1112
1245 my @paths; 1113 my @paths;
1247 for (@$files) { 1115 for (@$files) {
1248 utf8::decode $_; 1116 utf8::decode $_;
1249 next if /\.(?:pl|pst)$/; 1117 next if /\.(?:pl|pst)$/;
1250 next unless /^$PATH_SEP/o; 1118 next unless /^$PATH_SEP/o;
1251 1119
1252 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1120 push @paths, cf::map::normalise "~$pl/$_";
1253 } 1121 }
1254 1122
1255 \@paths 1123 \@paths
1256} 1124}
1257 1125
1283package cf::map; 1151package cf::map;
1284 1152
1285use Fcntl; 1153use Fcntl;
1286use Coro::AIO; 1154use Coro::AIO;
1287 1155
1156use overload
1157 '""' => \&as_string,
1158 fallback => 1;
1159
1288our $MAX_RESET = 3600; 1160our $MAX_RESET = 3600;
1289our $DEFAULT_RESET = 3000; 1161our $DEFAULT_RESET = 3000;
1290 1162
1291sub generate_random_map { 1163sub generate_random_map {
1292 my ($path, $rmp) = @_; 1164 my ($self, $rmp) = @_;
1293
1294 # mit "rum" bekleckern, nicht 1165 # mit "rum" bekleckern, nicht
1295 cf::map::_create_random_map 1166 $self->_create_random_map (
1296 $path,
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1167 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1168 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1169 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300 $rmp->{exit_on_final_map}, 1170 $rmp->{exit_on_final_map},
1301 $rmp->{xsize}, $rmp->{ysize}, 1171 $rmp->{xsize}, $rmp->{ysize},
1302 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1172 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1173 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1174 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1175 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1176 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307 (cf::region::find $rmp->{region}) 1177 (cf::region::find $rmp->{region}), $rmp->{custom}
1178 )
1179}
1180
1181=item cf::map->register ($regex, $prio)
1182
1183Register a handler for the map path matching the given regex at the
1184givne priority (higher is better, built-in handlers have priority 0, the
1185default).
1186
1187=cut
1188
1189sub register {
1190 my (undef, $regex, $prio) = @_;
1191 my $pkg = caller;
1192
1193 no strict;
1194 push @{"$pkg\::ISA"}, __PACKAGE__;
1195
1196 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1197}
1198
1199# also paths starting with '/'
1200$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1201
1202sub thawer_merge {
1203 my ($self, $merge) = @_;
1204
1205 # we have to keep some variables in memory intact
1206 local $self->{path};
1207 local $self->{load_path};
1208 local $self->{deny_save};
1209 local $self->{deny_reset};
1210
1211 $self->SUPER::thawer_merge ($merge);
1212}
1213
1214sub normalise {
1215 my ($path, $base) = @_;
1216
1217 $path = "$path"; # make sure its a string
1218
1219 $path =~ s/\.map$//;
1220
1221 # map plan:
1222 #
1223 # /! non-realised random map exit (special hack!)
1224 # {... are special paths that are not being touched
1225 # ?xxx/... are special absolute paths
1226 # ?random/... random maps
1227 # /... normal maps
1228 # ~user/... per-player map of a specific user
1229
1230 $path =~ s/$PATH_SEP/\//go;
1231
1232 # treat it as relative path if it starts with
1233 # something that looks reasonable
1234 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1235 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1236
1237 $base =~ s{[^/]+/?$}{};
1238 $path = "$base/$path";
1239 }
1240
1241 for ($path) {
1242 redo if s{//}{/};
1243 redo if s{/\.?/}{/};
1244 redo if s{/[^/]+/\.\./}{/};
1245 }
1246
1247 $path
1248}
1249
1250sub new_from_path {
1251 my (undef, $path, $base) = @_;
1252
1253 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1254
1255 $path = normalise $path, $base;
1256
1257 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1258 if ($path =~ $EXT_MAP{$pkg}[1]) {
1259 my $self = bless cf::map::new, $pkg;
1260 $self->{path} = $path; $self->path ($path);
1261 $self->init; # pass $1 etc.
1262 return $self;
1263 }
1264 }
1265
1266 Carp::carp "unable to resolve path '$path' (base '$base').";
1267 ()
1268}
1269
1270sub init {
1271 my ($self) = @_;
1272
1273 $self
1274}
1275
1276sub as_string {
1277 my ($self) = @_;
1278
1279 "$self->{path}"
1280}
1281
1282# the displayed name, this is a one way mapping
1283sub visible_name {
1284 &as_string
1285}
1286
1287# the original (read-only) location
1288sub load_path {
1289 my ($self) = @_;
1290
1291 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1292}
1293
1294# the temporary/swap location
1295sub save_path {
1296 my ($self) = @_;
1297
1298 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1300}
1301
1302# the unique path, undef == no special unique path
1303sub uniq_path {
1304 my ($self) = @_;
1305
1306 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1308} 1308}
1309 1309
1310# and all this just because we cannot iterate over 1310# and all this just because we cannot iterate over
1311# all maps in C++... 1311# all maps in C++...
1312sub change_all_map_light { 1312sub change_all_map_light {
1314 1314
1315 $_->change_map_light ($change) 1315 $_->change_map_light ($change)
1316 for grep $_->outdoor, values %cf::MAP; 1316 for grep $_->outdoor, values %cf::MAP;
1317} 1317}
1318 1318
1319sub unlink_save {
1320 my ($self) = @_;
1321
1322 utf8::encode (my $save = $self->save_path);
1323 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1324 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1325}
1326
1319sub try_load_header($) { 1327sub load_header_from($) {
1320 my ($path) = @_; 1328 my ($self, $path) = @_;
1321 1329
1322 utf8::encode $path; 1330 utf8::encode $path;
1323 aio_open $path, O_RDONLY, 0 1331 #aio_open $path, O_RDONLY, 0
1332 # or return;
1333
1334 $self->_load_header ($path)
1324 or return; 1335 or return;
1325 1336
1326 my $map = cf::map::new 1337 $self->{load_path} = $path;
1338
1339 1
1340}
1341
1342sub load_header_orig {
1343 my ($self) = @_;
1344
1345 $self->load_header_from ($self->load_path)
1346}
1347
1348sub load_header_temp {
1349 my ($self) = @_;
1350
1351 $self->load_header_from ($self->save_path)
1352}
1353
1354sub prepare_temp {
1355 my ($self) = @_;
1356
1357 $self->last_access ((delete $self->{last_access})
1358 || $cf::RUNTIME); #d#
1359 # safety
1360 $self->{instantiate_time} = $cf::RUNTIME
1361 if $self->{instantiate_time} > $cf::RUNTIME;
1362}
1363
1364sub prepare_orig {
1365 my ($self) = @_;
1366
1367 $self->{load_original} = 1;
1368 $self->{instantiate_time} = $cf::RUNTIME;
1369 $self->last_access ($cf::RUNTIME);
1370 $self->instantiate;
1371}
1372
1373sub load_header {
1374 my ($self) = @_;
1375
1376 if ($self->load_header_temp) {
1377 $self->prepare_temp;
1378 } else {
1379 $self->load_header_orig
1327 or return; 1380 or return;
1381 $self->prepare_orig;
1382 }
1328 1383
1329 # for better error messages only, will be overwritten 1384 1
1330 $map->path ($path);
1331
1332 $map->load_header ($path)
1333 or return;
1334
1335 $map->{load_path} = $path;
1336
1337 $map
1338} 1385}
1339 1386
1340sub find; 1387sub find;
1341sub find { 1388sub find {
1342 my ($path, $origin) = @_; 1389 my ($path, $origin) = @_;
1343 1390
1344 #warn "find<$path,$origin>\n";#d#
1345
1346 $path = new cf::path $path, $origin && $origin->path; 1391 $path = normalise $path, $origin && $origin->path;
1347 my $key = $path->as_string;
1348 1392
1349 cf::lock_wait "map_find:$key"; 1393 cf::lock_wait "map_find:$path";
1350 1394
1351 $cf::MAP{$key} || do { 1395 $cf::MAP{$path} || do {
1352 my $guard = cf::lock_acquire "map_find:$key"; 1396 my $guard = cf::lock_acquire "map_find:$path";
1353 1397 my $map = new_from_path cf::map $path
1354 # do it the slow way
1355 my $map = try_load_header $path->save_path;
1356
1357 Coro::cede;
1358
1359 if ($map) {
1360 $map->last_access ((delete $map->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $map->{instantiate_time} = $cf::RUNTIME
1364 if $map->{instantiate_time} > $cf::RUNTIME;
1365 } else {
1366 if (my $rmp = $path->random_map_params) {
1367 $map = generate_random_map $key, $rmp;
1368 } else {
1369 $map = try_load_header $path->load_path;
1370 }
1371
1372 $map or return; 1398 or return;
1373 1399
1374 $map->{load_original} = 1;
1375 $map->{instantiate_time} = $cf::RUNTIME;
1376 $map->last_access ($cf::RUNTIME);
1377 $map->instantiate;
1378
1379 # per-player maps become, after loading, normal maps
1380 $map->per_player (0) if $path->{user_rel};
1381 }
1382
1383 $map->path ($key);
1384 $map->{path} = $path;
1385 $map->{last_save} = $cf::RUNTIME; 1400 $map->{last_save} = $cf::RUNTIME;
1386 1401
1387 Coro::cede; 1402 $map->load_header
1403 or return;
1388 1404
1389 if ($map->should_reset) { 1405 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1406 # doing this can freeze the server in a sync job, obviously
1407 #$cf::WAIT_FOR_TICK->wait;
1390 $map->reset; 1408 $map->reset;
1391 undef $guard; 1409 undef $guard;
1392 $map = find $path 1410 return find $path;
1393 or return;
1394 } 1411 }
1395 1412
1396 $cf::MAP{$key} = $map 1413 $cf::MAP{$path} = $map
1397 } 1414 }
1398} 1415}
1416
1417sub pre_load { }
1418sub post_load { }
1399 1419
1400sub load { 1420sub load {
1401 my ($self) = @_; 1421 my ($self) = @_;
1402 1422
1423 local $self->{deny_reset} = 1; # loading can take a long time
1424
1403 my $path = $self->{path}; 1425 my $path = $self->{path};
1404 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1426 my $guard = cf::lock_acquire "map_load:$path";
1405 1427
1406 return if $self->in_memory != cf::MAP_SWAPPED; 1428 return if $self->in_memory != cf::MAP_SWAPPED;
1407 1429
1408 $self->in_memory (cf::MAP_LOADING); 1430 $self->in_memory (cf::MAP_LOADING);
1409 1431
1410 $self->alloc; 1432 $self->alloc;
1433
1434 $self->pre_load;
1435
1411 $self->load_objects ($self->{load_path}, 1) 1436 $self->_load_objects ($self->{load_path}, 1)
1412 or return; 1437 or return;
1413 1438
1414 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1439 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415 if delete $self->{load_original}; 1440 if delete $self->{load_original};
1416 1441
1417 if (my $uniq = $path->uniq_path) { 1442 if (my $uniq = $self->uniq_path) {
1418 utf8::encode $uniq; 1443 utf8::encode $uniq;
1419 if (aio_open $uniq, O_RDONLY, 0) { 1444 if (aio_open $uniq, O_RDONLY, 0) {
1420 $self->clear_unique_items; 1445 $self->clear_unique_items;
1421 $self->load_objects ($uniq, 0); 1446 $self->_load_objects ($uniq, 0);
1422 } 1447 }
1423 } 1448 }
1424 1449
1425 Coro::cede; 1450 Coro::cede;
1426 1451
1427 # now do the right thing for maps 1452 # now do the right thing for maps
1428 $self->link_multipart_objects; 1453 $self->link_multipart_objects;
1429 1454
1430 if ($self->{path}->is_style_map) { 1455 unless ($self->{deny_activate}) {
1431 $self->{deny_save} = 1; 1456 $self->decay_objects;
1432 $self->{deny_reset} = 1;
1433 } else {
1434 $self->fix_auto_apply; 1457 $self->fix_auto_apply;
1435 $self->decay_objects;
1436 $self->update_buttons; 1458 $self->update_buttons;
1459 Coro::cede;
1437 $self->set_darkness_map; 1460 $self->set_darkness_map;
1438 $self->difficulty ($self->estimate_difficulty) 1461 $self->difficulty ($self->estimate_difficulty)
1439 unless $self->difficulty; 1462 unless $self->difficulty;
1463 Coro::cede;
1440 $self->activate; 1464 $self->activate;
1441 } 1465 }
1442 1466
1443 Coro::cede; 1467 $self->post_load;
1444 1468
1445 $self->in_memory (cf::MAP_IN_MEMORY); 1469 $self->in_memory (cf::MAP_IN_MEMORY);
1470}
1471
1472sub customise_for {
1473 my ($self, $ob) = @_;
1474
1475 return find "~" . $ob->name . "/" . $self->{path}
1476 if $self->per_player;
1477
1478 $self
1446} 1479}
1447 1480
1448# find and load all maps in the 3x3 area around a map 1481# find and load all maps in the 3x3 area around a map
1449sub load_diag { 1482sub load_diag {
1450 my ($map) = @_; 1483 my ($map) = @_;
1480 1513
1481 cf::sync_job { $map->load }; 1514 cf::sync_job { $map->load };
1482} 1515}
1483 1516
1484our %MAP_PREFETCH; 1517our %MAP_PREFETCH;
1485our $MAP_PREFETCHER = Coro::async { 1518our $MAP_PREFETCHER = undef;
1486 while () {
1487 while (%MAP_PREFETCH) {
1488 my $key = each %MAP_PREFETCH
1489 or next;
1490 my $path = delete $MAP_PREFETCH{$key};
1491
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495 }
1496 Coro::schedule;
1497 }
1498};
1499 1519
1500sub find_async { 1520sub find_async {
1501 my ($path, $origin) = @_; 1521 my ($path, $origin) = @_;
1502 1522
1503 $path = new cf::path $path, $origin && $origin->path; 1523 $path = normalise $path, $origin && $origin->{path};
1504 my $key = $path->as_string;
1505 1524
1506 if (my $map = $cf::MAP{$key}) { 1525 if (my $map = $cf::MAP{$path}) {
1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1526 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508 } 1527 }
1509 1528
1510 $MAP_PREFETCH{$key} = $path; 1529 undef $MAP_PREFETCH{$path};
1530 $MAP_PREFETCHER ||= cf::async {
1531 while (%MAP_PREFETCH) {
1532 for my $path (keys %MAP_PREFETCH) {
1533 my $map = find $path
1534 or next;
1535 $map->load;
1536
1537 delete $MAP_PREFETCH{$path};
1538 }
1539 }
1540 undef $MAP_PREFETCHER;
1541 };
1511 $MAP_PREFETCHER->ready; 1542 $MAP_PREFETCHER->prio (6);
1512 1543
1513 () 1544 ()
1514} 1545}
1515 1546
1516sub save { 1547sub save {
1520 1551
1521 $self->{last_save} = $cf::RUNTIME; 1552 $self->{last_save} = $cf::RUNTIME;
1522 1553
1523 return unless $self->dirty; 1554 return unless $self->dirty;
1524 1555
1525 my $save = $self->{path}->save_path; utf8::encode $save; 1556 my $save = $self->save_path; utf8::encode $save;
1526 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1557 my $uniq = $self->uniq_path; utf8::encode $uniq;
1527 1558
1528 $self->{load_path} = $save; 1559 $self->{load_path} = $save;
1529 1560
1530 return if $self->{deny_save}; 1561 return if $self->{deny_save};
1531 1562
1534 cf::async { 1565 cf::async {
1535 $_->contr->save for $self->players; 1566 $_->contr->save for $self->players;
1536 }; 1567 };
1537 1568
1538 if ($uniq) { 1569 if ($uniq) {
1539 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1570 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540 $self->save_objects ($uniq, cf::IO_UNIQUES); 1571 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1541 } else { 1572 } else {
1542 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1573 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543 } 1574 }
1544} 1575}
1545 1576
1546sub swap_out { 1577sub swap_out {
1547 my ($self) = @_; 1578 my ($self) = @_;
1561 1592
1562sub reset_at { 1593sub reset_at {
1563 my ($self) = @_; 1594 my ($self) = @_;
1564 1595
1565 # TODO: safety, remove and allow resettable per-player maps 1596 # TODO: safety, remove and allow resettable per-player maps
1566 return 1e99 if $self->{path}{user_rel}; 1597 return 1e99 if $self->isa ("ext::map_per_player");#d#
1567 return 1e99 if $self->{deny_reset}; 1598 return 1e99 if $self->{deny_reset};
1568 1599
1569 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1600 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1601 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571 1602
1576 my ($self) = @_; 1607 my ($self) = @_;
1577 1608
1578 $self->reset_at <= $cf::RUNTIME 1609 $self->reset_at <= $cf::RUNTIME
1579} 1610}
1580 1611
1581sub unlink_save {
1582 my ($self) = @_;
1583
1584 utf8::encode (my $save = $self->{path}->save_path);
1585 aioreq_pri 3; IO::AIO::aio_unlink $save;
1586 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587}
1588
1589sub rename {
1590 my ($self, $new_path) = @_;
1591
1592 $self->unlink_save;
1593
1594 delete $cf::MAP{$self->path};
1595 $self->{path} = new cf::path $new_path;
1596 $self->path ($self->{path}->as_string);
1597 $cf::MAP{$self->path} = $self;
1598
1599 $self->save;
1600}
1601
1602sub reset { 1612sub reset {
1603 my ($self) = @_; 1613 my ($self) = @_;
1604 1614
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 1615 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 1616
1607 return if $self->players; 1617 return if $self->players;
1608 return if $self->{path}{user_rel};#d# 1618 return if $self->isa ("ext::map_per_player");#d#
1609 1619
1610 warn "resetting map ", $self->path;#d# 1620 warn "resetting map ", $self->path;#d#
1611 1621
1622 $self->in_memory (cf::MAP_SWAPPED);
1623
1624 # need to save uniques path
1625 unless ($self->{deny_save}) {
1626 my $uniq = $self->uniq_path; utf8::encode $uniq;
1627
1628 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1629 if $uniq;
1630 }
1631
1612 delete $cf::MAP{$self->path}; 1632 delete $cf::MAP{$self->path};
1633
1634 $self->clear;
1613 1635
1614 $_->clear_links_to ($self) for values %cf::MAP; 1636 $_->clear_links_to ($self) for values %cf::MAP;
1615 1637
1616 $self->unlink_save; 1638 $self->unlink_save;
1617 $self->destroy; 1639 $self->destroy;
1620my $nuke_counter = "aaaa"; 1642my $nuke_counter = "aaaa";
1621 1643
1622sub nuke { 1644sub nuke {
1623 my ($self) = @_; 1645 my ($self) = @_;
1624 1646
1647 delete $cf::MAP{$self->path};
1648
1649 $self->unlink_save;
1650
1651 bless $self, "cf::map";
1652 delete $self->{deny_reset};
1625 $self->{deny_save} = 1; 1653 $self->{deny_save} = 1;
1626 $self->reset_timeout (1); 1654 $self->reset_timeout (1);
1627 $self->rename ("{nuke}/" . ($nuke_counter++)); 1655 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656
1657 $cf::MAP{$self->path} = $self;
1658
1628 $self->reset; # polite request, might not happen 1659 $self->reset; # polite request, might not happen
1629} 1660}
1630 1661
1631sub customise_for {
1632 my ($map, $ob) = @_;
1633
1634 if ($map->per_player) {
1635 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636 }
1637
1638 $map
1639}
1640
1641=item cf::map::unique_maps 1662=item cf::map::unique_maps
1642 1663
1643Returns an arrayref of cf::path's of all shared maps that have 1664Returns an arrayref of paths of all shared maps that have
1644instantiated unique items. May block. 1665instantiated unique items. May block.
1645 1666
1646=cut 1667=cut
1647 1668
1648sub unique_maps() { 1669sub unique_maps() {
1654 for (@$files) { 1675 for (@$files) {
1655 utf8::decode $_; 1676 utf8::decode $_;
1656 next if /\.pst$/; 1677 next if /\.pst$/;
1657 next unless /^$PATH_SEP/o; 1678 next unless /^$PATH_SEP/o;
1658 1679
1659 push @paths, new cf::path $_; 1680 push @paths, cf::map::normalise $_;
1660 } 1681 }
1661 1682
1662 \@paths 1683 \@paths
1663} 1684}
1664 1685
1739 1760
1740=item $player_object->enter_link 1761=item $player_object->enter_link
1741 1762
1742Freezes the player and moves him/her to a special map (C<{link}>). 1763Freezes the player and moves him/her to a special map (C<{link}>).
1743 1764
1744The player should be reaosnably safe there for short amounts of time. You 1765The player should be reasonably safe there for short amounts of time. You
1745I<MUST> call C<leave_link> as soon as possible, though. 1766I<MUST> call C<leave_link> as soon as possible, though.
1746 1767
1768Will never block.
1769
1747=item $player_object->leave_link ($map, $x, $y) 1770=item $player_object->leave_link ($map, $x, $y)
1748 1771
1749Moves the player out of the specila link map onto the given map. If the 1772Moves the player out of the special C<{link}> map onto the specified
1750map is not valid (or omitted), the player will be moved back to the 1773map. If the map is not valid (or omitted), the player will be moved back
1751location he/she was before the call to C<enter_link>, or, if that fails, 1774to the location he/she was before the call to C<enter_link>, or, if that
1752to the emergency map position. 1775fails, to the emergency map position.
1753 1776
1754Might block. 1777Might block.
1755 1778
1756=cut 1779=cut
1780
1781sub link_map {
1782 unless ($LINK_MAP) {
1783 $LINK_MAP = cf::map::find "{link}"
1784 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1785 $LINK_MAP->load;
1786 }
1787
1788 $LINK_MAP
1789}
1757 1790
1758sub cf::object::player::enter_link { 1791sub cf::object::player::enter_link {
1759 my ($self) = @_; 1792 my ($self) = @_;
1760 1793
1761 $self->deactivate_recursive; 1794 $self->deactivate_recursive;
1762 1795
1763 return if $self->map == $LINK_MAP; 1796 return if UNIVERSAL::isa $self->map, "ext::map_link";
1764 1797
1765 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1798 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766 if $self->map; 1799 if $self->map;
1767 1800
1768 $self->enter_map ($LINK_MAP, 20, 20); 1801 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1769} 1802}
1770 1803
1771sub cf::object::player::leave_link { 1804sub cf::object::player::leave_link {
1772 my ($self, $map, $x, $y) = @_; 1805 my ($self, $map, $x, $y) = @_;
1773 1806
1795 $map->load; 1828 $map->load;
1796 $map->load_diag; 1829 $map->load_diag;
1797 1830
1798 return unless $self->contr->active; 1831 return unless $self->contr->active;
1799 $self->activate_recursive; 1832 $self->activate_recursive;
1833
1834 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800 $self->enter_map ($map, $x, $y); 1835 $self->enter_map ($map, $x, $y);
1801} 1836}
1802 1837
1803cf::player->attach ( 1838cf::player->attach (
1804 on_logout => sub { 1839 on_logout => sub {
1817 # try to abort aborted map switching on player login :) 1852 # try to abort aborted map switching on player login :)
1818 # should happen only on crashes 1853 # should happen only on crashes
1819 if ($pl->ob->{_link_pos}) { 1854 if ($pl->ob->{_link_pos}) {
1820 $pl->ob->enter_link; 1855 $pl->ob->enter_link;
1821 (async { 1856 (async {
1822 # we need this sleep as the login has a concurrent enter_exit running
1823 # and this sleep increases chances of the player not ending up in scorn
1824 $pl->ob->reply (undef, 1857 $pl->ob->reply (undef,
1825 "There was an internal problem at your last logout, " 1858 "There was an internal problem at your last logout, "
1826 . "the server will try to bring you to your intended destination in a second.", 1859 . "the server will try to bring you to your intended destination in a second.",
1827 cf::NDI_RED); 1860 cf::NDI_RED);
1861 # we need this sleep as the login has a concurrent enter_exit running
1862 # and this sleep increases chances of the player not ending up in scorn
1828 Coro::Timer::sleep 1; 1863 Coro::Timer::sleep 1;
1829 $pl->ob->leave_link; 1864 $pl->ob->leave_link;
1830 })->prio (2); 1865 })->prio (2);
1831 } 1866 }
1832 }, 1867 },
1837=cut 1872=cut
1838 1873
1839sub cf::object::player::goto { 1874sub cf::object::player::goto {
1840 my ($self, $path, $x, $y) = @_; 1875 my ($self, $path, $x, $y) = @_;
1841 1876
1842 $path = new cf::path $path;
1843
1844 $self->enter_link; 1877 $self->enter_link;
1845 1878
1846 (async { 1879 (async {
1880 my $map = eval {
1847 my $map = cf::map::find $path->as_string; 1881 my $map = cf::map::find $path;
1848 $map = $map->customise_for ($self) if $map; 1882 $map = $map->customise_for ($self) if $map;
1849 1883 $map
1850# warn "entering ", $map->path, " at ($x, $y)\n" 1884 } or
1851# if $map;
1852
1853 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1885 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854 1886
1855 $self->leave_link ($map, $x, $y); 1887 $self->leave_link ($map, $x, $y);
1856 })->prio (1); 1888 })->prio (1);
1857} 1889}
1858 1890
1862 1894
1863sub parse_random_map_params { 1895sub parse_random_map_params {
1864 my ($spec) = @_; 1896 my ($spec) = @_;
1865 1897
1866 my $rmp = { # defaults 1898 my $rmp = { # defaults
1867 xsize => 10, 1899 xsize => (cf::rndm 15, 40),
1868 ysize => 10, 1900 ysize => (cf::rndm 15, 40),
1901 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1902 #layout => string,
1869 }; 1903 };
1870 1904
1871 for (split /\n/, $spec) { 1905 for (split /\n/, $spec) {
1872 my ($k, $v) = split /\s+/, $_, 2; 1906 my ($k, $v) = split /\s+/, $_, 2;
1873 1907
1877 $rmp 1911 $rmp
1878} 1912}
1879 1913
1880sub prepare_random_map { 1914sub prepare_random_map {
1881 my ($exit) = @_; 1915 my ($exit) = @_;
1916
1917 my $guard = cf::lock_acquire "exit_prepare:$exit";
1882 1918
1883 # all this does is basically replace the /! path by 1919 # all this does is basically replace the /! path by
1884 # a new random map path (?random/...) with a seed 1920 # a new random map path (?random/...) with a seed
1885 # that depends on the exit object 1921 # that depends on the exit object
1886 1922
1887 my $rmp = parse_random_map_params $exit->msg; 1923 my $rmp = parse_random_map_params $exit->msg;
1888 1924
1889 if ($exit->map) { 1925 if ($exit->map) {
1890 $rmp->{region} = $exit->map->region_name; 1926 $rmp->{region} = $exit->region->name;
1891 $rmp->{origin_map} = $exit->map->path; 1927 $rmp->{origin_map} = $exit->map->path;
1892 $rmp->{origin_x} = $exit->x; 1928 $rmp->{origin_x} = $exit->x;
1893 $rmp->{origin_y} = $exit->y; 1929 $rmp->{origin_y} = $exit->y;
1894 } 1930 }
1895 1931
1896 $rmp->{random_seed} ||= $exit->random_seed; 1932 $rmp->{random_seed} ||= $exit->random_seed;
1897 1933
1898 my $data = cf::to_json $rmp; 1934 my $data = cf::to_json $rmp;
1899 my $md5 = Digest::MD5::md5_hex $data; 1935 my $md5 = Digest::MD5::md5_hex $data;
1936 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900 1937
1901 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1938 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902 aio_write $fh, 0, (length $data), $data, 0; 1939 aio_write $fh, 0, (length $data), $data, 0;
1940 undef $fh;
1941 aio_rename "$meta~", $meta;
1903 1942
1904 $exit->slaying ("?random/$md5"); 1943 $exit->slaying ("?random/$md5");
1905 $exit->msg (undef); 1944 $exit->msg (undef);
1906 } 1945 }
1907} 1946}
1908 1947
1909sub cf::object::player::enter_exit { 1948sub cf::object::player::enter_exit {
1910 my ($self, $exit) = @_; 1949 my ($self, $exit) = @_;
1911 1950
1912 return unless $self->type == cf::PLAYER; 1951 return unless $self->type == cf::PLAYER;
1952
1953 if ($exit->slaying eq "/!") {
1954 #TODO: this should de-fi-ni-te-ly not be a sync-job
1955 cf::sync_job { prepare_random_map $exit };
1956 }
1957
1958 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959 my $hp = $exit->stats->hp;
1960 my $sp = $exit->stats->sp;
1913 1961
1914 $self->enter_link; 1962 $self->enter_link;
1915 1963
1916 (async { 1964 (async {
1917 $self->deactivate_recursive; # just to be sure 1965 $self->deactivate_recursive; # just to be sure
1918 unless (eval { 1966 unless (eval {
1919 prepare_random_map $exit 1967 $self->goto ($slaying, $hp, $sp);
1920 if $exit->slaying eq "/!";
1921
1922 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924 1968
1925 1; 1969 1;
1926 }) { 1970 }) {
1927 $self->message ("Something went wrong deep within the crossfire server. " 1971 $self->message ("Something went wrong deep within the crossfire server. "
1928 . "I'll try to bring you back to the map you were before. " 1972 . "I'll try to bring you back to the map you were before. "
1989 # get handled first 2033 # get handled first
1990 my $queue = delete $ns->{query_queue} 2034 my $queue = delete $ns->{query_queue}
1991 or return; # be conservative, not sure how that can happen, but we saw a crash here 2035 or return; # be conservative, not sure how that can happen, but we saw a crash here
1992 2036
1993 (shift @$queue)->[1]->($msg); 2037 (shift @$queue)->[1]->($msg);
2038 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994 2039
1995 push @{ $ns->{query_queue} }, @$queue; 2040 push @{ $ns->{query_queue} }, @$queue;
1996 2041
1997 if (@{ $ns->{query_queue} } == @$queue) { 2042 if (@{ $ns->{query_queue} } == @$queue) {
1998 if (@$queue) { 2043 if (@$queue) {
2159The parameter C<$family> should best start with the name of the extension 2204The parameter C<$family> should best start with the name of the extension
2160using it, it should be unique. 2205using it, it should be unique.
2161 2206
2162=over 4 2207=over 4
2163 2208
2164=item $hashref = cf::db_get $family
2165
2166Return a hashref for use by the extension C<$family>, which can be
2167modified. After modifications, you have to call C<cf::db_dirty> or
2168C<cf::db_sync>.
2169
2170=item $value = cf::db_get $family => $key 2209=item $value = cf::db_get $family => $key
2171 2210
2172Returns a single value from the database 2211Returns a single value from the database.
2173
2174=item cf::db_put $family => $hashref
2175
2176Stores the given family hashref into the database. Updates are delayed, if
2177you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178 2212
2179=item cf::db_put $family => $key => $value 2213=item cf::db_put $family => $key => $value
2180 2214
2181Stores the given C<$value> in the family hash. Updates are delayed, if you 2215Stores the given C<$value> in the family.
2182want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184=item cf::db_dirty
2185
2186Marks the database as dirty, to be updated at a later time.
2187
2188=item cf::db_sync
2189
2190Immediately write the database to disk I<if it is dirty>.
2191 2216
2192=cut 2217=cut
2193 2218
2194our $DB; 2219our $DB;
2195 2220
2196{ 2221sub db_init {
2222 unless ($DB) {
2223 $DB = BDB::db_create $DB_ENV;
2224
2225 cf::sync_job {
2226 eval {
2227 $DB->set_flags (BDB::CHKSUM);
2228
2229 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231 cf::cleanup "db_open(db): $!" if $!;
2232 };
2233 cf::cleanup "db_open(db): $@" if $@;
2234 };
2235
2197 my $path = cf::localdir . "/database.pst"; 2236 my $path = cf::localdir . "/database.pst";
2237 if (stat $path) {
2238 cf::sync_job {
2239 my $pst = Storable::retrieve $path;
2198 2240
2199 sub db_load() { 2241 cf::db_put (board => data => $pst->{board});
2200 $DB = stat $path ? Storable::retrieve $path : { }; 2242 cf::db_put (guildrules => data => $pst->{guildrules});
2201 } 2243 cf::db_put (rent => balance => $pst->{rent}{balance});
2244 BDB::db_env_txn_checkpoint $DB_ENV;
2202 2245
2203 my $pid; 2246 unlink $path;
2204
2205 sub db_save() {
2206 waitpid $pid, 0 if $pid;
2207 if (0 == ($pid = fork)) {
2208 $DB->{_meta}{version} = 1;
2209 Storable::nstore $DB, "$path~";
2210 rename "$path~", $path;
2211 cf::_exit 0 if defined $pid;
2212 } 2247 };
2213 }
2214
2215 my $dirty;
2216
2217 sub db_sync() {
2218 db_save if $dirty;
2219 undef $dirty;
2220 }
2221
2222 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223 db_sync;
2224 });
2225
2226 sub db_dirty() {
2227 $dirty = 1;
2228 $idle->start;
2229 }
2230
2231 sub db_get($;$) {
2232 @_ >= 2
2233 ? $DB->{$_[0]}{$_[1]}
2234 : ($DB->{$_[0]} ||= { })
2235 }
2236
2237 sub db_put($$;$) {
2238 if (@_ >= 3) {
2239 $DB->{$_[0]}{$_[1]} = $_[2];
2240 } else {
2241 $DB->{$_[0]} = $_[1];
2242 }
2243 db_dirty;
2244 }
2245
2246 cf::global->attach (
2247 prio => 10000,
2248 on_cleanup => sub {
2249 db_sync;
2250 }, 2248 }
2251 ); 2249 }
2250}
2251
2252sub db_get($$) {
2253 my $key = "$_[0]/$_[1]";
2254
2255 cf::sync_job {
2256 BDB::db_get $DB, undef, $key, my $data;
2257
2258 $! ? ()
2259 : Compress::LZF::sthaw $data
2260 }
2261}
2262
2263sub db_put($$$) {
2264 BDB::dbreq_pri 4;
2265 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252} 2266}
2253 2267
2254############################################################################# 2268#############################################################################
2255# the server's main() 2269# the server's init and main functions
2270
2271sub init_resources {
2272 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2273 or die "unable to load regions file\n";#d#
2274}
2256 2275
2257sub cfg_load { 2276sub cfg_load {
2258 open my $fh, "<:utf8", cf::confdir . "/config" 2277 open my $fh, "<:utf8", cf::confdir . "/config"
2259 or return; 2278 or return;
2260 2279
2273 }; 2292 };
2274 warn $@ if $@; 2293 warn $@ if $@;
2275 } 2294 }
2276} 2295}
2277 2296
2297sub init {
2298 init_resources;
2299}
2300
2278sub main { 2301sub main {
2279 # we must not ever block the main coroutine 2302 # we must not ever block the main coroutine
2280 local $Coro::idle = sub { 2303 local $Coro::idle = sub {
2281 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2304 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305 (async {
2282 async { Event::one_event }; 2306 Event::one_event;
2307 })->prio (Coro::PRIO_MAX);
2283 }; 2308 };
2284 2309
2285 cfg_load; 2310 cfg_load;
2286 db_load; 2311 db_init;
2287 load_extensions; 2312 load_extensions;
2313
2314 $TICK_WATCHER->start;
2288 Event::loop; 2315 Event::loop;
2289} 2316}
2290 2317
2291############################################################################# 2318#############################################################################
2292# initialisation and cleanup 2319# initialisation and cleanup
2293 2320
2294# install some emergency cleanup handlers 2321# install some emergency cleanup handlers
2295BEGIN { 2322BEGIN {
2296 for my $signal (qw(INT HUP TERM)) { 2323 for my $signal (qw(INT HUP TERM)) {
2297 Event->signal ( 2324 Event->signal (
2325 reentrant => 0,
2298 data => WF_AUTOCANCEL, 2326 data => WF_AUTOCANCEL,
2299 signal => $signal, 2327 signal => $signal,
2328 prio => 0,
2300 cb => sub { 2329 cb => sub {
2301 cf::cleanup "SIG$signal"; 2330 cf::cleanup "SIG$signal";
2302 }, 2331 },
2303 ); 2332 );
2304 } 2333 }
2305} 2334}
2310 warn "enter emergency perl save\n"; 2339 warn "enter emergency perl save\n";
2311 2340
2312 cf::sync_job { 2341 cf::sync_job {
2313 # use a peculiar iteration method to avoid tripping on perl 2342 # use a peculiar iteration method to avoid tripping on perl
2314 # refcount bugs in for. also avoids problems with players 2343 # refcount bugs in for. also avoids problems with players
2315 # and maps saved/Destroyed asynchronously. 2344 # and maps saved/destroyed asynchronously.
2316 warn "begin emergency player save\n"; 2345 warn "begin emergency player save\n";
2317 for my $login (keys %cf::PLAYER) { 2346 for my $login (keys %cf::PLAYER) {
2318 my $pl = $cf::PLAYER{$login} or next; 2347 my $pl = $cf::PLAYER{$login} or next;
2319 $pl->valid or next; 2348 $pl->valid or next;
2320 $pl->save; 2349 $pl->save;
2326 my $map = $cf::MAP{$path} or next; 2355 my $map = $cf::MAP{$path} or next;
2327 $map->valid or next; 2356 $map->valid or next;
2328 $map->save; 2357 $map->save;
2329 } 2358 }
2330 warn "end emergency map save\n"; 2359 warn "end emergency map save\n";
2360
2361 warn "begin emergency database checkpoint\n";
2362 BDB::db_env_txn_checkpoint $DB_ENV;
2363 warn "end emergency database checkpoint\n";
2331 }; 2364 };
2332 2365
2333 warn "leave emergency perl save\n"; 2366 warn "leave emergency perl save\n";
2367}
2368
2369sub post_cleanup {
2370 my ($make_core) = @_;
2371
2372 warn Carp::longmess "post_cleanup backtrace"
2373 if $make_core;
2334} 2374}
2335 2375
2336sub reload() { 2376sub reload() {
2337 # can/must only be called in main 2377 # can/must only be called in main
2338 if ($Coro::current != $Coro::main) { 2378 if ($Coro::current != $Coro::main) {
2339 warn "can only reload from main coroutine\n"; 2379 warn "can only reload from main coroutine";
2340 return; 2380 return;
2341 } 2381 }
2342 2382
2343 warn "reloading..."; 2383 warn "reloading...";
2344 2384
2345 my $guard = freeze_mainloop; 2385 warn "entering sync_job";
2386
2387 cf::sync_job {
2388 cf::write_runtime; # external watchdog should not bark
2346 cf::emergency_save; 2389 cf::emergency_save;
2390 cf::write_runtime; # external watchdog should not bark
2347 2391
2348 eval { 2392 warn "syncing database to disk";
2393 BDB::db_env_txn_checkpoint $DB_ENV;
2394
2349 # if anything goes wrong in here, we should simply crash as we already saved 2395 # if anything goes wrong in here, we should simply crash as we already saved
2350 2396
2351 # cancel all watchers 2397 warn "cancelling all WF_AUTOCANCEL watchers";
2352 for (Event::all_watchers) { 2398 for (Event::all_watchers) {
2353 $_->cancel if $_->data & WF_AUTOCANCEL; 2399 $_->cancel if $_->data & WF_AUTOCANCEL;
2354 } 2400 }
2355 2401
2402 warn "flushing outstanding aio requests";
2403 for (;;) {
2404 BDB::flush;
2405 IO::AIO::flush;
2406 Coro::cede;
2407 last unless IO::AIO::nreqs || BDB::nreqs;
2408 warn "iterate...";
2409 }
2410
2356 # cancel all extension coros 2411 warn "cancelling all extension coros";
2357 $_->cancel for values %EXT_CORO; 2412 $_->cancel for values %EXT_CORO;
2358 %EXT_CORO = (); 2413 %EXT_CORO = ();
2359 2414
2360 # unload all extensions 2415 warn "removing commands";
2361 for (@exts) { 2416 %COMMAND = ();
2417
2418 warn "removing ext commands";
2419 %EXTCMD = ();
2420
2421 warn "unloading/nuking all extensions";
2422 for my $pkg (@EXTS) {
2362 warn "unloading <$_>"; 2423 warn "... unloading $pkg";
2363 unload_extension $_; 2424
2425 if (my $cb = $pkg->can ("unload")) {
2426 eval {
2427 $cb->($pkg);
2428 1
2429 } or warn "$pkg unloaded, but with errors: $@";
2364 } 2430 }
2365 2431
2432 warn "... nuking $pkg";
2433 Symbol::delete_package $pkg;
2434 }
2435
2366 # unload all modules loaded from $LIBDIR 2436 warn "unloading all perl modules loaded from $LIBDIR";
2367 while (my ($k, $v) = each %INC) { 2437 while (my ($k, $v) = each %INC) {
2368 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2438 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369 2439
2370 warn "removing <$k>"; 2440 warn "... unloading $k";
2371 delete $INC{$k}; 2441 delete $INC{$k};
2372 2442
2373 $k =~ s/\.pm$//; 2443 $k =~ s/\.pm$//;
2374 $k =~ s/\//::/g; 2444 $k =~ s/\//::/g;
2375 2445
2378 } 2448 }
2379 2449
2380 Symbol::delete_package $k; 2450 Symbol::delete_package $k;
2381 } 2451 }
2382 2452
2383 # sync database to disk
2384 cf::db_sync;
2385 IO::AIO::flush;
2386
2387 # get rid of safe::, as good as possible 2453 warn "getting rid of safe::, as good as possible";
2388 Symbol::delete_package "safe::$_" 2454 Symbol::delete_package "safe::$_"
2389 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2455 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390 2456
2391 # remove register_script_function callbacks
2392 # TODO
2393
2394 # unload cf.pm "a bit" 2457 warn "unloading cf.pm \"a bit\"";
2395 delete $INC{"cf.pm"}; 2458 delete $INC{"cf.pm"};
2396 2459
2397 # don't, removes xs symbols, too, 2460 # don't, removes xs symbols, too,
2398 # and global variables created in xs 2461 # and global variables created in xs
2399 #Symbol::delete_package __PACKAGE__; 2462 #Symbol::delete_package __PACKAGE__;
2400 2463
2401 # reload cf.pm 2464 warn "unload completed, starting to reload now";
2465
2402 warn "reloading cf.pm"; 2466 warn "reloading cf.pm";
2403 require cf; 2467 require cf;
2404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2468 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405 2469
2406 # load config and database again 2470 warn "loading config and database again";
2407 cf::cfg_load; 2471 cf::cfg_load;
2408 cf::db_load;
2409 2472
2410 # load extensions
2411 warn "load extensions"; 2473 warn "loading extensions";
2412 cf::load_extensions; 2474 cf::load_extensions;
2413 2475
2414 # reattach attachments to objects 2476 warn "reattaching attachments to objects/players";
2415 warn "reattach"; 2477 _global_reattach; # objects, sockets
2416 _global_reattach; 2478 warn "reattaching attachments to maps";
2417 reattach $_ for values %MAP; 2479 reattach $_ for values %MAP;
2418 }; 2480 warn "reattaching attachments to players";
2481 reattach $_ for values %PLAYER;
2419 2482
2420 if ($@) { 2483 warn "loading reloadable resources";
2484 init_resources;
2485
2486 warn "leaving sync_job";
2487
2488 1
2489 } or do {
2421 warn $@; 2490 warn $@;
2422 warn "error while reloading, exiting."; 2491 warn "error while reloading, exiting.";
2423 exit 1; 2492 exit 1;
2424 } 2493 };
2425 2494
2426 warn "reloaded successfully"; 2495 warn "reloaded";
2427}; 2496};
2428 2497
2429############################################################################# 2498our $RELOAD_WATCHER; # used only during reload
2430
2431unless ($LINK_MAP) {
2432 $LINK_MAP = cf::map::new;
2433
2434 $LINK_MAP->width (41);
2435 $LINK_MAP->height (41);
2436 $LINK_MAP->alloc;
2437 $LINK_MAP->path ("{link}");
2438 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441 # dirty hack because... archetypes are not yet loaded
2442 Event->timer (
2443 after => 10,
2444 cb => sub {
2445 $_[0]->w->cancel;
2446
2447 # provide some exits "home"
2448 my $exit = cf::object::new "exit";
2449
2450 $exit->slaying ($EMERGENCY_POSITION->[0]);
2451 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454 $LINK_MAP->insert ($exit->clone, 19, 19);
2455 $LINK_MAP->insert ($exit->clone, 19, 20);
2456 $LINK_MAP->insert ($exit->clone, 19, 21);
2457 $LINK_MAP->insert ($exit->clone, 20, 19);
2458 $LINK_MAP->insert ($exit->clone, 20, 21);
2459 $LINK_MAP->insert ($exit->clone, 21, 19);
2460 $LINK_MAP->insert ($exit->clone, 21, 20);
2461 $LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463 $exit->destroy;
2464 });
2465
2466 $LINK_MAP->{deny_save} = 1;
2467 $LINK_MAP->{deny_reset} = 1;
2468
2469 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470}
2471
2472register "<global>", __PACKAGE__;
2473 2499
2474register_command "reload" => sub { 2500register_command "reload" => sub {
2475 my ($who, $arg) = @_; 2501 my ($who, $arg) = @_;
2476 2502
2477 if ($who->flag (FLAG_WIZ)) { 2503 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("start of reload."); 2504 $who->message ("reloading server.");
2505
2506 # doing reload synchronously and two reloads happen back-to-back,
2507 # coro crashes during coro_state_free->destroy here.
2508
2509 $RELOAD_WATCHER ||= Event->timer (
2510 reentrant => 0,
2511 after => 0,
2512 data => WF_AUTOCANCEL,
2513 cb => sub {
2479 reload; 2514 reload;
2480 $who->message ("end of reload."); 2515 undef $RELOAD_WATCHER;
2516 },
2517 );
2481 } 2518 }
2482}; 2519};
2483 2520
2484unshift @INC, $LIBDIR; 2521unshift @INC, $LIBDIR;
2522
2523my $bug_warning = 0;
2485 2524
2486$TICK_WATCHER = Event->timer ( 2525$TICK_WATCHER = Event->timer (
2487 reentrant => 0, 2526 reentrant => 0,
2527 parked => 1,
2488 prio => 0, 2528 prio => 0,
2489 at => $NEXT_TICK || $TICK, 2529 at => $NEXT_TICK || $TICK,
2490 data => WF_AUTOCANCEL, 2530 data => WF_AUTOCANCEL,
2491 cb => sub { 2531 cb => sub {
2532 if ($Coro::current != $Coro::main) {
2533 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534 unless ++$bug_warning > 10;
2535 return;
2536 }
2537
2538 $NOW = Event::time;
2539
2492 cf::server_tick; # one server iteration 2540 cf::server_tick; # one server iteration
2493 $RUNTIME += $TICK; 2541 $RUNTIME += $TICK;
2494 $NEXT_TICK += $TICK; 2542 $NEXT_TICK += $TICK;
2495 2543
2544 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545 $NEXT_RUNTIME_WRITE = $NOW + 10;
2546 Coro::async_pool {
2547 write_runtime
2548 or warn "ERROR: unable to write runtime file: $!";
2549 };
2550 }
2551
2496 $WAIT_FOR_TICK->broadcast; 2552 $WAIT_FOR_TICK->broadcast;
2497 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2553 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554
2555# my $AFTER = Event::time;
2556# warn $AFTER - $NOW;#d#
2498 2557
2499 # if we are delayed by four ticks or more, skip them all 2558 # if we are delayed by four ticks or more, skip them all
2500 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2559 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501 2560
2502 $TICK_WATCHER->at ($NEXT_TICK); 2561 $TICK_WATCHER->at ($NEXT_TICK);
2503 $TICK_WATCHER->start; 2562 $TICK_WATCHER->start;
2504 }, 2563 },
2505); 2564);
2506 2565
2566{
2507IO::AIO::max_poll_time $TICK * 0.2; 2567 BDB::max_poll_time $TICK * 0.1;
2508 2568 $BDB_POLL_WATCHER = Event->io (
2509Event->io ( 2569 reentrant => 0,
2510 fd => IO::AIO::poll_fileno, 2570 fd => BDB::poll_fileno,
2511 poll => 'r', 2571 poll => 'r',
2512 prio => 5, 2572 prio => 0,
2513 data => WF_AUTOCANCEL,
2514 cb => \&IO::AIO::poll_cb,
2515);
2516
2517Event->timer (
2518 data => WF_AUTOCANCEL, 2573 data => WF_AUTOCANCEL,
2519 after => 0, 2574 cb => \&BDB::poll_cb,
2520 interval => 10, 2575 );
2521 cb => sub { 2576 BDB::min_parallel 8;
2522 (Coro::unblock_sub { 2577
2523 write_runtime 2578 BDB::set_sync_prepare {
2524 or warn "ERROR: unable to write runtime file: $!"; 2579 my $status;
2580 my $current = $Coro::current;
2581 (
2582 sub {
2583 $status = $!;
2584 $current->ready; undef $current;
2585 },
2586 sub {
2587 Coro::schedule while defined $current;
2588 $! = $status;
2589 },
2590 )
2591 };
2592
2593 unless ($DB_ENV) {
2594 $DB_ENV = BDB::db_env_create;
2595
2596 cf::sync_job {
2597 eval {
2598 BDB::db_env_open
2599 $DB_ENV,
2600 $BDB_ENV_DIR,
2601 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603 0666;
2604
2605 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2606
2607 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608 $DB_ENV->set_lk_detect;
2609 };
2610
2611 cf::cleanup "db_env_open(db): $@" if $@;
2525 })->(); 2612 };
2526 }, 2613 }
2527); 2614}
2615
2616{
2617 IO::AIO::min_parallel 8;
2618
2619 undef $Coro::AIO::WATCHER;
2620 IO::AIO::max_poll_time $TICK * 0.1;
2621 $AIO_POLL_WATCHER = Event->io (
2622 reentrant => 0,
2623 data => WF_AUTOCANCEL,
2624 fd => IO::AIO::poll_fileno,
2625 poll => 'r',
2626 prio => 6,
2627 cb => \&IO::AIO::poll_cb,
2628 );
2629}
2528 2630
2529END { cf::emergency_save } 2631END { cf::emergency_save }
2530 2632
25311 26331
2532 2634

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