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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.223 by root, Sun Mar 11 02:12:44 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
48our $RELOAD; # number of reloads so far
40our @EVENT; 49our @EVENT;
41our $LIBDIR = datadir . "/ext"; 50our $LIBDIR = datadir . "/ext";
42 51
43our $TICK = MAX_TIME * 1e-6; 52our $TICK = MAX_TIME * 1e-6;
44our $TICK_WATCHER; 53our $TICK_WATCHER;
54our $AIO_POLL_WATCHER;
55our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 56our $NEXT_TICK;
46our $NOW; 57our $NOW;
58our $USE_FSYNC = 1; # use fsync to write maps - default off
59
60our $BDB_POLL_WATCHER;
61our $DB_ENV;
47 62
48our %CFG; 63our %CFG;
49 64
50our $UPTIME; $UPTIME ||= time; 65our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 66our $RUNTIME;
52 67
53our %PLAYER; # all users 68our %PLAYER; # all users
54our %MAP; # all maps 69our %MAP; # all maps
55our $LINK_MAP; # the special {link} map 70our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random"; 71our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions 72our $BDB_ENV_DIR = cf::localdir . "/db";
58 73
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 74our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 75our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76
77# used to convert map paths into valid unix filenames by replacing / by ∕
78our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61 79
62binmode STDOUT; 80binmode STDOUT;
63binmode STDERR; 81binmode STDERR;
64 82
65# read virtual server time, if available 83# read virtual server time, if available
… …
72mkdir cf::localdir; 90mkdir cf::localdir;
73mkdir cf::localdir . "/" . cf::playerdir; 91mkdir cf::localdir . "/" . cf::playerdir;
74mkdir cf::localdir . "/" . cf::tmpdir; 92mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir; 93mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS; 94mkdir $RANDOM_MAPS;
95mkdir $BDB_ENV_DIR;
77 96
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 97our $EMERGENCY_POSITION;
98
99sub cf::map::normalise;
81 100
82############################################################################# 101#############################################################################
83 102
84=head2 GLOBAL VARIABLES 103=head2 GLOBAL VARIABLES
85 104
… …
156} 175}
157 176
158$Event::DIED = sub { 177$Event::DIED = sub {
159 warn "error in event callback: @_"; 178 warn "error in event callback: @_";
160}; 179};
161
162my %ext_pkg;
163my @exts;
164my @hook;
165 180
166=head2 UTILITY FUNCTIONS 181=head2 UTILITY FUNCTIONS
167 182
168=over 4 183=over 4
169 184
… …
257} 272}
258 273
259sub freeze_mainloop { 274sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 275 return unless $TICK_WATCHER->is_active;
261 276
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 277 my $guard = Coro::guard {
278 $TICK_WATCHER->start;
279 };
263 $TICK_WATCHER->stop; 280 $TICK_WATCHER->stop;
264 $guard 281 $guard
265} 282}
266 283
267=item cf::async { BLOCK } 284=item cf::async { BLOCK }
… …
319 } 336 }
320} 337}
321 338
322=item $coro = cf::async_ext { BLOCK } 339=item $coro = cf::async_ext { BLOCK }
323 340
324Like async, but this coro is automcatially being canceled when the 341Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 342extension calling this is being unloaded.
326 343
327=cut 344=cut
328 345
329sub async_ext(&) { 346sub async_ext(&) {
… …
338 355
339 $coro 356 $coro
340} 357}
341 358
342sub write_runtime { 359sub write_runtime {
360 my $guard = cf::lock_acquire "write_runtime";
361
343 my $runtime = cf::localdir . "/runtime"; 362 my $runtime = cf::localdir . "/runtime";
344 363
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 364 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346 or return; 365 or return;
347 366
367 my $value = $cf::RUNTIME + 90 + 10;
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 368 # 10 is the runtime save interval, for a monotonic clock
369 # 60 allows for the watchdog to kill the server.
370
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0 371 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return; 372 and return;
351 373
374 # always fsync - this file is important
352 aio_fsync $fh 375 aio_fsync $fh
353 and return; 376 and return;
354 377
355 close $fh 378 close $fh
356 or return; 379 or return;
… …
362} 385}
363 386
364=back 387=back
365 388
366=cut 389=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;
494 390
495############################################################################# 391#############################################################################
496 392
497=head2 ATTACHABLE OBJECTS 393=head2 ATTACHABLE OBJECTS
498 394
… …
624our @CB_TYPE = (); # registry for type (cf-object class) based events 520our @CB_TYPE = (); # registry for type (cf-object class) based events
625our @CB_MAP = (); 521our @CB_MAP = ();
626 522
627my %attachment; 523my %attachment;
628 524
525sub cf::attachable::thawer_merge {
526 # simply override everything except _meta
527 local $_[0]{_meta};
528 %{$_[0]} = %{$_[1]};
529}
530
629sub _attach_cb($$$$) { 531sub _attach_cb($$$$) {
630 my ($registry, $event, $prio, $cb) = @_; 532 my ($registry, $event, $prio, $cb) = @_;
631 533
632 use sort 'stable'; 534 use sort 'stable';
633 535
… …
804# object support 706# object support
805 707
806sub reattach { 708sub reattach {
807 # basically do the same as instantiate, without calling instantiate 709 # basically do the same as instantiate, without calling instantiate
808 my ($obj) = @_; 710 my ($obj) = @_;
711
712 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809 713
810 my $registry = $obj->registry; 714 my $registry = $obj->registry;
811 715
812 @$registry = (); 716 @$registry = ();
813 717
… …
860 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
861 765
862 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
864 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
866 close $fh; 770 close $fh;
867 771
868 if (@$objs) { 772 if (@$objs) {
869 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 773 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
871 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
872 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
873 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
874 close $fh; 778 close $fh;
875 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
876 } 780 }
877 } else { 781 } else {
878 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
… …
945=cut 849=cut
946 850
947sub register_extcmd { 851sub register_extcmd {
948 my ($name, $cb) = @_; 852 my ($name, $cb) = @_;
949 853
950 my $caller = caller;
951 #warn "registering extcmd '$name' to '$caller'";
952
953 $EXTCMD{$name} = [$cb, $caller]; 854 $EXTCMD{$name} = $cb;
954} 855}
955 856
956cf::player->attach ( 857cf::player->attach (
957 on_command => sub { 858 on_command => sub {
958 my ($pl, $name, $params) = @_; 859 my ($pl, $name, $params) = @_;
… …
971 872
972 my $msg = eval { from_json $buf }; 873 my $msg = eval { from_json $buf };
973 874
974 if (ref $msg) { 875 if (ref $msg) {
975 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 876 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976 if (my %reply = $cb->[0]->($pl, $msg)) { 877 if (my %reply = $cb->($pl, $msg)) {
977 $pl->ext_reply ($msg->{msgid}, %reply); 878 $pl->ext_reply ($msg->{msgid}, %reply);
978 } 879 }
979 } 880 }
980 } else { 881 } else {
981 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
… …
983 884
984 cf::override; 885 cf::override;
985 }, 886 },
986); 887);
987 888
988sub register {
989 my ($base, $pkg) = @_;
990
991 #TODO
992}
993
994sub load_extension { 889sub load_extension {
995 my ($path) = @_; 890 my ($path) = @_;
996 891
997 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
998 my $base = $1; 893 my $base = $1;
999 my $pkg = $1; 894 my $pkg = $1;
1000 $pkg =~ s/[^[:word:]]/_/g; 895 $pkg =~ s/[^[:word:]]/_/g;
1001 $pkg = "ext::$pkg"; 896 $pkg = "ext::$pkg";
1002 897
1003 warn "loading '$path' into '$pkg'\n"; 898 warn "... loading '$path' into '$pkg'\n";
1004 899
1005 open my $fh, "<:utf8", $path 900 open my $fh, "<:utf8", $path
1006 or die "$path: $!"; 901 or die "$path: $!";
1007 902
1008 my $source = 903 my $source =
1009 "package $pkg; use strict; use utf8;\n" 904 "package $pkg; use strict; use utf8;\n"
1010 . "#line 1 \"$path\"\n{\n" 905 . "#line 1 \"$path\"\n{\n"
1011 . (do { local $/; <$fh> }) 906 . (do { local $/; <$fh> })
1012 . "\n};\n1"; 907 . "\n};\n1";
1013 908
1014 eval $source 909 unless (eval $source) {
1015 or die $@ ? "$path: $@\n" 910 my $msg = $@ ? "$path: $@\n"
1016 : "extension disabled.\n"; 911 : "extension disabled.\n";
1017 912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018 push @exts, $pkg; 913 warn $@;
1019 $ext_pkg{$base} = $pkg; 914 warn "mandatory extension failed to load, exiting.\n";
1020 915 exit 1;
1021# no strict 'refs'; 916 }
1022# @{"$pkg\::ISA"} = ext::; 917 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# } 918 }
1037 919
1038 # remove commands 920 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} 921}
1063 922
1064sub load_extensions { 923sub load_extensions {
1065 for my $ext (<$LIBDIR/*.ext>) { 924 for my $ext (<$LIBDIR/*.ext>) {
1066 next unless -r $ext; 925 next unless -r $ext;
… …
1070 } or warn "$ext not loaded: $@"; 929 } or warn "$ext not loaded: $@";
1071 } 930 }
1072} 931}
1073 932
1074############################################################################# 933#############################################################################
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 934
1090=head2 CORE EXTENSIONS 935=head2 CORE EXTENSIONS
1091 936
1092Functions and methods that extend core crossfire objects. 937Functions and methods that extend core crossfire objects.
1093 938
… …
1129 974
1130sub exists($) { 975sub exists($) {
1131 my ($login) = @_; 976 my ($login) = @_;
1132 977
1133 $cf::PLAYER{$login} 978 $cf::PLAYER{$login}
1134 or cf::sync_job { !aio_stat $login } 979 or cf::sync_job { !aio_stat path $login }
1135} 980}
1136 981
1137sub find($) { 982sub find($) {
1138 return $cf::PLAYER{$_[0]} || do { 983 return $cf::PLAYER{$_[0]} || do {
1139 my $login = $_[0]; 984 my $login = $_[0];
… …
1185 1030
1186=cut 1031=cut
1187 1032
1188sub quit_character { 1033sub quit_character {
1189 my ($pl) = @_; 1034 my ($pl) = @_;
1035
1036 my $name = $pl->ob->name;
1190 1037
1191 $pl->{deny_save} = 1; 1038 $pl->{deny_save} = 1;
1192 $pl->password ("*"); # this should lock out the player until we nuked the dir 1039 $pl->password ("*"); # this should lock out the player until we nuked the dir
1193 1040
1194 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1041 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1199 my $path = playerdir $pl; 1046 my $path = playerdir $pl;
1200 my $temp = "$path~$cf::RUNTIME~deleting~"; 1047 my $temp = "$path~$cf::RUNTIME~deleting~";
1201 aio_rename $path, $temp; 1048 aio_rename $path, $temp;
1202 delete $cf::PLAYER{$pl->ob->name}; 1049 delete $cf::PLAYER{$pl->ob->name};
1203 $pl->destroy; 1050 $pl->destroy;
1051
1052 my $prefix = qr<^~\Q$name\E/>;
1053
1054 # nuke player maps
1055 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1056
1204 IO::AIO::aio_rmtree $temp; 1057 IO::AIO::aio_rmtree $temp;
1058}
1059
1060=item $pl->kick
1061
1062Kicks a player out of the game. This destroys the connection.
1063
1064=cut
1065
1066sub kick {
1067 my ($pl, $kicker) = @_;
1068
1069 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1070 $pl->killer ("kicked");
1071 $pl->ns->destroy;
1205} 1072}
1206 1073
1207=item cf::player::list_logins 1074=item cf::player::list_logins
1208 1075
1209Returns am arrayref of all valid playernames in the system, can take a 1076Returns am arrayref of all valid playernames in the system, can take a
… …
1229 \@logins 1096 \@logins
1230} 1097}
1231 1098
1232=item $player->maps 1099=item $player->maps
1233 1100
1234Returns an arrayref of cf::path's of all maps that are private for this 1101Returns an arrayref of map paths that are private for this
1235player. May block. 1102player. May block.
1236 1103
1237=cut 1104=cut
1238 1105
1239sub maps($) { 1106sub maps($) {
1240 my ($pl) = @_; 1107 my ($pl) = @_;
1108
1109 $pl = ref $pl ? $pl->ob->name : $pl;
1241 1110
1242 my $files = aio_readdir playerdir $pl 1111 my $files = aio_readdir playerdir $pl
1243 or return; 1112 or return;
1244 1113
1245 my @paths; 1114 my @paths;
… …
1247 for (@$files) { 1116 for (@$files) {
1248 utf8::decode $_; 1117 utf8::decode $_;
1249 next if /\.(?:pl|pst)$/; 1118 next if /\.(?:pl|pst)$/;
1250 next unless /^$PATH_SEP/o; 1119 next unless /^$PATH_SEP/o;
1251 1120
1252 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1121 push @paths, cf::map::normalise "~$pl/$_";
1253 } 1122 }
1254 1123
1255 \@paths 1124 \@paths
1256} 1125}
1257 1126
… …
1283package cf::map; 1152package cf::map;
1284 1153
1285use Fcntl; 1154use Fcntl;
1286use Coro::AIO; 1155use Coro::AIO;
1287 1156
1157use overload
1158 '""' => \&as_string,
1159 fallback => 1;
1160
1288our $MAX_RESET = 3600; 1161our $MAX_RESET = 3600;
1289our $DEFAULT_RESET = 3000; 1162our $DEFAULT_RESET = 3000;
1290 1163
1291sub generate_random_map { 1164sub generate_random_map {
1292 my ($path, $rmp) = @_; 1165 my ($self, $rmp) = @_;
1293
1294 # mit "rum" bekleckern, nicht 1166 # mit "rum" bekleckern, nicht
1295 cf::map::_create_random_map 1167 $self->_create_random_map (
1296 $path,
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1168 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1169 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1170 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300 $rmp->{exit_on_final_map}, 1171 $rmp->{exit_on_final_map},
1301 $rmp->{xsize}, $rmp->{ysize}, 1172 $rmp->{xsize}, $rmp->{ysize},
1302 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1173 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1174 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1175 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1176 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1177 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307 (cf::region::find $rmp->{region}) 1178 (cf::region::find $rmp->{region}), $rmp->{custom}
1179 )
1180}
1181
1182=item cf::map->register ($regex, $prio)
1183
1184Register a handler for the map path matching the given regex at the
1185givne priority (higher is better, built-in handlers have priority 0, the
1186default).
1187
1188=cut
1189
1190sub register {
1191 my (undef, $regex, $prio) = @_;
1192 my $pkg = caller;
1193
1194 no strict;
1195 push @{"$pkg\::ISA"}, __PACKAGE__;
1196
1197 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1198}
1199
1200# also paths starting with '/'
1201$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1202
1203sub thawer_merge {
1204 my ($self, $merge) = @_;
1205
1206 # we have to keep some variables in memory intact
1207 local $self->{path};
1208 local $self->{load_path};
1209 local $self->{deny_save};
1210 local $self->{deny_reset};
1211
1212 $self->SUPER::thawer_merge ($merge);
1213}
1214
1215sub normalise {
1216 my ($path, $base) = @_;
1217
1218 $path = "$path"; # make sure its a string
1219
1220 $path =~ s/\.map$//;
1221
1222 # map plan:
1223 #
1224 # /! non-realised random map exit (special hack!)
1225 # {... are special paths that are not being touched
1226 # ?xxx/... are special absolute paths
1227 # ?random/... random maps
1228 # /... normal maps
1229 # ~user/... per-player map of a specific user
1230
1231 $path =~ s/$PATH_SEP/\//go;
1232
1233 # treat it as relative path if it starts with
1234 # something that looks reasonable
1235 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1236 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1237
1238 $base =~ s{[^/]+/?$}{};
1239 $path = "$base/$path";
1240 }
1241
1242 for ($path) {
1243 redo if s{//}{/};
1244 redo if s{/\.?/}{/};
1245 redo if s{/[^/]+/\.\./}{/};
1246 }
1247
1248 $path
1249}
1250
1251sub new_from_path {
1252 my (undef, $path, $base) = @_;
1253
1254 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1255
1256 $path = normalise $path, $base;
1257
1258 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1259 if ($path =~ $EXT_MAP{$pkg}[1]) {
1260 my $self = bless cf::map::new, $pkg;
1261 $self->{path} = $path; $self->path ($path);
1262 $self->init; # pass $1 etc.
1263 return $self;
1264 }
1265 }
1266
1267 Carp::carp "unable to resolve path '$path' (base '$base').";
1268 ()
1269}
1270
1271sub init {
1272 my ($self) = @_;
1273
1274 $self
1275}
1276
1277sub as_string {
1278 my ($self) = @_;
1279
1280 "$self->{path}"
1281}
1282
1283# the displayed name, this is a one way mapping
1284sub visible_name {
1285 &as_string
1286}
1287
1288# the original (read-only) location
1289sub load_path {
1290 my ($self) = @_;
1291
1292 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1293}
1294
1295# the temporary/swap location
1296sub save_path {
1297 my ($self) = @_;
1298
1299 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1301}
1302
1303# the unique path, undef == no special unique path
1304sub uniq_path {
1305 my ($self) = @_;
1306
1307 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1308} 1309}
1309 1310
1310# and all this just because we cannot iterate over 1311# and all this just because we cannot iterate over
1311# all maps in C++... 1312# all maps in C++...
1312sub change_all_map_light { 1313sub change_all_map_light {
… …
1314 1315
1315 $_->change_map_light ($change) 1316 $_->change_map_light ($change)
1316 for grep $_->outdoor, values %cf::MAP; 1317 for grep $_->outdoor, values %cf::MAP;
1317} 1318}
1318 1319
1320sub unlink_save {
1321 my ($self) = @_;
1322
1323 utf8::encode (my $save = $self->save_path);
1324 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1325 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1326}
1327
1319sub try_load_header($) { 1328sub load_header_from($) {
1320 my ($path) = @_; 1329 my ($self, $path) = @_;
1321 1330
1322 utf8::encode $path; 1331 utf8::encode $path;
1323 aio_open $path, O_RDONLY, 0 1332 #aio_open $path, O_RDONLY, 0
1333 # or return;
1334
1335 $self->_load_header ($path)
1324 or return; 1336 or return;
1325 1337
1326 my $map = cf::map::new 1338 $self->{load_path} = $path;
1339
1340 1
1341}
1342
1343sub load_header_orig {
1344 my ($self) = @_;
1345
1346 $self->load_header_from ($self->load_path)
1347}
1348
1349sub load_header_temp {
1350 my ($self) = @_;
1351
1352 $self->load_header_from ($self->save_path)
1353}
1354
1355sub prepare_temp {
1356 my ($self) = @_;
1357
1358 $self->last_access ((delete $self->{last_access})
1359 || $cf::RUNTIME); #d#
1360 # safety
1361 $self->{instantiate_time} = $cf::RUNTIME
1362 if $self->{instantiate_time} > $cf::RUNTIME;
1363}
1364
1365sub prepare_orig {
1366 my ($self) = @_;
1367
1368 $self->{load_original} = 1;
1369 $self->{instantiate_time} = $cf::RUNTIME;
1370 $self->last_access ($cf::RUNTIME);
1371 $self->instantiate;
1372}
1373
1374sub load_header {
1375 my ($self) = @_;
1376
1377 if ($self->load_header_temp) {
1378 $self->prepare_temp;
1379 } else {
1380 $self->load_header_orig
1327 or return; 1381 or return;
1382 $self->prepare_orig;
1383 }
1328 1384
1329 # for better error messages only, will be overwritten 1385 1
1330 $map->path ($path);
1331
1332 $map->load_header ($path)
1333 or return;
1334
1335 $map->{load_path} = $path;
1336
1337 $map
1338} 1386}
1339 1387
1340sub find; 1388sub find;
1341sub find { 1389sub find {
1342 my ($path, $origin) = @_; 1390 my ($path, $origin) = @_;
1343 1391
1344 #warn "find<$path,$origin>\n";#d#
1345
1346 $path = new cf::path $path, $origin && $origin->path; 1392 $path = normalise $path, $origin && $origin->path;
1347 my $key = $path->as_string;
1348 1393
1349 cf::lock_wait "map_find:$key"; 1394 cf::lock_wait "map_find:$path";
1350 1395
1351 $cf::MAP{$key} || do { 1396 $cf::MAP{$path} || do {
1352 my $guard = cf::lock_acquire "map_find:$key"; 1397 my $guard = cf::lock_acquire "map_find:$path";
1353 1398 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; 1399 or return;
1373 1400
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; 1401 $map->{last_save} = $cf::RUNTIME;
1386 1402
1387 Coro::cede; 1403 $map->load_header
1404 or return;
1388 1405
1389 if ($map->should_reset) { 1406 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1407 # doing this can freeze the server in a sync job, obviously
1408 #$cf::WAIT_FOR_TICK->wait;
1390 $map->reset; 1409 $map->reset;
1391 undef $guard; 1410 undef $guard;
1392 $map = find $path 1411 return find $path;
1393 or return;
1394 } 1412 }
1395 1413
1396 $cf::MAP{$key} = $map 1414 $cf::MAP{$path} = $map
1397 } 1415 }
1398} 1416}
1417
1418sub pre_load { }
1419sub post_load { }
1399 1420
1400sub load { 1421sub load {
1401 my ($self) = @_; 1422 my ($self) = @_;
1402 1423
1424 local $self->{deny_reset} = 1; # loading can take a long time
1425
1403 my $path = $self->{path}; 1426 my $path = $self->{path};
1404 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1427 my $guard = cf::lock_acquire "map_load:$path";
1405 1428
1406 return if $self->in_memory != cf::MAP_SWAPPED; 1429 return if $self->in_memory != cf::MAP_SWAPPED;
1407 1430
1408 $self->in_memory (cf::MAP_LOADING); 1431 $self->in_memory (cf::MAP_LOADING);
1409 1432
1410 $self->alloc; 1433 $self->alloc;
1434
1435 $self->pre_load;
1436
1411 $self->load_objects ($self->{load_path}, 1) 1437 $self->_load_objects ($self->{load_path}, 1)
1412 or return; 1438 or return;
1413 1439
1414 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1440 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415 if delete $self->{load_original}; 1441 if delete $self->{load_original};
1416 1442
1417 if (my $uniq = $path->uniq_path) { 1443 if (my $uniq = $self->uniq_path) {
1418 utf8::encode $uniq; 1444 utf8::encode $uniq;
1419 if (aio_open $uniq, O_RDONLY, 0) { 1445 if (aio_open $uniq, O_RDONLY, 0) {
1420 $self->clear_unique_items; 1446 $self->clear_unique_items;
1421 $self->load_objects ($uniq, 0); 1447 $self->_load_objects ($uniq, 0);
1422 } 1448 }
1423 } 1449 }
1424 1450
1425 Coro::cede; 1451 Coro::cede;
1426 1452
1427 # now do the right thing for maps 1453 # now do the right thing for maps
1428 $self->link_multipart_objects; 1454 $self->link_multipart_objects;
1429 1455
1430 if ($self->{path}->is_style_map) { 1456 unless ($self->{deny_activate}) {
1431 $self->{deny_save} = 1; 1457 $self->decay_objects;
1432 $self->{deny_reset} = 1;
1433 } else {
1434 $self->fix_auto_apply; 1458 $self->fix_auto_apply;
1435 $self->decay_objects;
1436 $self->update_buttons; 1459 $self->update_buttons;
1460 Coro::cede;
1437 $self->set_darkness_map; 1461 $self->set_darkness_map;
1438 $self->difficulty ($self->estimate_difficulty) 1462 $self->difficulty ($self->estimate_difficulty)
1439 unless $self->difficulty; 1463 unless $self->difficulty;
1464 Coro::cede;
1440 $self->activate; 1465 $self->activate;
1441 } 1466 }
1442 1467
1443 Coro::cede; 1468 $self->post_load;
1444 1469
1445 $self->in_memory (cf::MAP_IN_MEMORY); 1470 $self->in_memory (cf::MAP_IN_MEMORY);
1471}
1472
1473sub customise_for {
1474 my ($self, $ob) = @_;
1475
1476 return find "~" . $ob->name . "/" . $self->{path}
1477 if $self->per_player;
1478
1479 $self
1446} 1480}
1447 1481
1448# find and load all maps in the 3x3 area around a map 1482# find and load all maps in the 3x3 area around a map
1449sub load_diag { 1483sub load_diag {
1450 my ($map) = @_; 1484 my ($map) = @_;
… …
1480 1514
1481 cf::sync_job { $map->load }; 1515 cf::sync_job { $map->load };
1482} 1516}
1483 1517
1484our %MAP_PREFETCH; 1518our %MAP_PREFETCH;
1485our $MAP_PREFETCHER = Coro::async { 1519our $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 1520
1500sub find_async { 1521sub find_async {
1501 my ($path, $origin) = @_; 1522 my ($path, $origin) = @_;
1502 1523
1503 $path = new cf::path $path, $origin && $origin->path; 1524 $path = normalise $path, $origin && $origin->{path};
1504 my $key = $path->as_string;
1505 1525
1506 if (my $map = $cf::MAP{$key}) { 1526 if (my $map = $cf::MAP{$path}) {
1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1527 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508 } 1528 }
1509 1529
1510 $MAP_PREFETCH{$key} = $path; 1530 undef $MAP_PREFETCH{$path};
1531 $MAP_PREFETCHER ||= cf::async {
1532 while (%MAP_PREFETCH) {
1533 for my $path (keys %MAP_PREFETCH) {
1534 my $map = find $path
1535 or next;
1536 $map->load;
1537
1538 delete $MAP_PREFETCH{$path};
1539 }
1540 }
1541 undef $MAP_PREFETCHER;
1542 };
1511 $MAP_PREFETCHER->ready; 1543 $MAP_PREFETCHER->prio (6);
1512 1544
1513 () 1545 ()
1514} 1546}
1515 1547
1516sub save { 1548sub save {
… …
1520 1552
1521 $self->{last_save} = $cf::RUNTIME; 1553 $self->{last_save} = $cf::RUNTIME;
1522 1554
1523 return unless $self->dirty; 1555 return unless $self->dirty;
1524 1556
1525 my $save = $self->{path}->save_path; utf8::encode $save; 1557 my $save = $self->save_path; utf8::encode $save;
1526 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1558 my $uniq = $self->uniq_path; utf8::encode $uniq;
1527 1559
1528 $self->{load_path} = $save; 1560 $self->{load_path} = $save;
1529 1561
1530 return if $self->{deny_save}; 1562 return if $self->{deny_save};
1531 1563
… …
1534 cf::async { 1566 cf::async {
1535 $_->contr->save for $self->players; 1567 $_->contr->save for $self->players;
1536 }; 1568 };
1537 1569
1538 if ($uniq) { 1570 if ($uniq) {
1539 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1571 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540 $self->save_objects ($uniq, cf::IO_UNIQUES); 1572 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1541 } else { 1573 } else {
1542 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1574 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543 } 1575 }
1544} 1576}
1545 1577
1546sub swap_out { 1578sub swap_out {
1547 my ($self) = @_; 1579 my ($self) = @_;
… …
1561 1593
1562sub reset_at { 1594sub reset_at {
1563 my ($self) = @_; 1595 my ($self) = @_;
1564 1596
1565 # TODO: safety, remove and allow resettable per-player maps 1597 # TODO: safety, remove and allow resettable per-player maps
1566 return 1e99 if $self->{path}{user_rel}; 1598 return 1e99 if $self->isa ("ext::map_per_player");#d#
1567 return 1e99 if $self->{deny_reset}; 1599 return 1e99 if $self->{deny_reset};
1568 1600
1569 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1601 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1602 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571 1603
… …
1576 my ($self) = @_; 1608 my ($self) = @_;
1577 1609
1578 $self->reset_at <= $cf::RUNTIME 1610 $self->reset_at <= $cf::RUNTIME
1579} 1611}
1580 1612
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 { 1613sub reset {
1603 my ($self) = @_; 1614 my ($self) = @_;
1604 1615
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 1616 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 1617
1607 return if $self->players; 1618 return if $self->players;
1608 return if $self->{path}{user_rel};#d# 1619 return if $self->isa ("ext::map_per_player");#d#
1609 1620
1610 warn "resetting map ", $self->path;#d# 1621 warn "resetting map ", $self->path;#d#
1611 1622
1623 $self->in_memory (cf::MAP_SWAPPED);
1624
1625 # need to save uniques path
1626 unless ($self->{deny_save}) {
1627 my $uniq = $self->uniq_path; utf8::encode $uniq;
1628
1629 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1630 if $uniq;
1631 }
1632
1612 delete $cf::MAP{$self->path}; 1633 delete $cf::MAP{$self->path};
1634
1635 $self->clear;
1613 1636
1614 $_->clear_links_to ($self) for values %cf::MAP; 1637 $_->clear_links_to ($self) for values %cf::MAP;
1615 1638
1616 $self->unlink_save; 1639 $self->unlink_save;
1617 $self->destroy; 1640 $self->destroy;
… …
1620my $nuke_counter = "aaaa"; 1643my $nuke_counter = "aaaa";
1621 1644
1622sub nuke { 1645sub nuke {
1623 my ($self) = @_; 1646 my ($self) = @_;
1624 1647
1648 delete $cf::MAP{$self->path};
1649
1650 $self->unlink_save;
1651
1652 bless $self, "cf::map";
1653 delete $self->{deny_reset};
1625 $self->{deny_save} = 1; 1654 $self->{deny_save} = 1;
1626 $self->reset_timeout (1); 1655 $self->reset_timeout (1);
1627 $self->rename ("{nuke}/" . ($nuke_counter++)); 1656 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657
1658 $cf::MAP{$self->path} = $self;
1659
1628 $self->reset; # polite request, might not happen 1660 $self->reset; # polite request, might not happen
1629} 1661}
1630 1662
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 1663=item cf::map::unique_maps
1642 1664
1643Returns an arrayref of cf::path's of all shared maps that have 1665Returns an arrayref of paths of all shared maps that have
1644instantiated unique items. May block. 1666instantiated unique items. May block.
1645 1667
1646=cut 1668=cut
1647 1669
1648sub unique_maps() { 1670sub unique_maps() {
… …
1654 for (@$files) { 1676 for (@$files) {
1655 utf8::decode $_; 1677 utf8::decode $_;
1656 next if /\.pst$/; 1678 next if /\.pst$/;
1657 next unless /^$PATH_SEP/o; 1679 next unless /^$PATH_SEP/o;
1658 1680
1659 push @paths, new cf::path $_; 1681 push @paths, cf::map::normalise $_;
1660 } 1682 }
1661 1683
1662 \@paths 1684 \@paths
1663} 1685}
1664 1686
… …
1739 1761
1740=item $player_object->enter_link 1762=item $player_object->enter_link
1741 1763
1742Freezes the player and moves him/her to a special map (C<{link}>). 1764Freezes the player and moves him/her to a special map (C<{link}>).
1743 1765
1744The player should be reaosnably safe there for short amounts of time. You 1766The player should be reasonably safe there for short amounts of time. You
1745I<MUST> call C<leave_link> as soon as possible, though. 1767I<MUST> call C<leave_link> as soon as possible, though.
1746 1768
1769Will never block.
1770
1747=item $player_object->leave_link ($map, $x, $y) 1771=item $player_object->leave_link ($map, $x, $y)
1748 1772
1749Moves the player out of the specila link map onto the given map. If the 1773Moves 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 1774map. 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, 1775to the location he/she was before the call to C<enter_link>, or, if that
1752to the emergency map position. 1776fails, to the emergency map position.
1753 1777
1754Might block. 1778Might block.
1755 1779
1756=cut 1780=cut
1781
1782sub link_map {
1783 unless ($LINK_MAP) {
1784 $LINK_MAP = cf::map::find "{link}"
1785 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1786 $LINK_MAP->load;
1787 }
1788
1789 $LINK_MAP
1790}
1757 1791
1758sub cf::object::player::enter_link { 1792sub cf::object::player::enter_link {
1759 my ($self) = @_; 1793 my ($self) = @_;
1760 1794
1761 $self->deactivate_recursive; 1795 $self->deactivate_recursive;
1762 1796
1763 return if $self->map == $LINK_MAP; 1797 return if UNIVERSAL::isa $self->map, "ext::map_link";
1764 1798
1765 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1799 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766 if $self->map; 1800 if $self->map;
1767 1801
1768 $self->enter_map ($LINK_MAP, 20, 20); 1802 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1769} 1803}
1770 1804
1771sub cf::object::player::leave_link { 1805sub cf::object::player::leave_link {
1772 my ($self, $map, $x, $y) = @_; 1806 my ($self, $map, $x, $y) = @_;
1773 1807
… …
1795 $map->load; 1829 $map->load;
1796 $map->load_diag; 1830 $map->load_diag;
1797 1831
1798 return unless $self->contr->active; 1832 return unless $self->contr->active;
1799 $self->activate_recursive; 1833 $self->activate_recursive;
1834
1835 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800 $self->enter_map ($map, $x, $y); 1836 $self->enter_map ($map, $x, $y);
1801} 1837}
1802 1838
1803cf::player->attach ( 1839cf::player->attach (
1804 on_logout => sub { 1840 on_logout => sub {
… …
1817 # try to abort aborted map switching on player login :) 1853 # try to abort aborted map switching on player login :)
1818 # should happen only on crashes 1854 # should happen only on crashes
1819 if ($pl->ob->{_link_pos}) { 1855 if ($pl->ob->{_link_pos}) {
1820 $pl->ob->enter_link; 1856 $pl->ob->enter_link;
1821 (async { 1857 (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, 1858 $pl->ob->reply (undef,
1825 "There was an internal problem at your last logout, " 1859 "There was an internal problem at your last logout, "
1826 . "the server will try to bring you to your intended destination in a second.", 1860 . "the server will try to bring you to your intended destination in a second.",
1827 cf::NDI_RED); 1861 cf::NDI_RED);
1862 # we need this sleep as the login has a concurrent enter_exit running
1863 # and this sleep increases chances of the player not ending up in scorn
1828 Coro::Timer::sleep 1; 1864 Coro::Timer::sleep 1;
1829 $pl->ob->leave_link; 1865 $pl->ob->leave_link;
1830 })->prio (2); 1866 })->prio (2);
1831 } 1867 }
1832 }, 1868 },
… …
1837=cut 1873=cut
1838 1874
1839sub cf::object::player::goto { 1875sub cf::object::player::goto {
1840 my ($self, $path, $x, $y) = @_; 1876 my ($self, $path, $x, $y) = @_;
1841 1877
1842 $path = new cf::path $path;
1843
1844 $self->enter_link; 1878 $self->enter_link;
1845 1879
1846 (async { 1880 (async {
1881 my $map = eval {
1847 my $map = cf::map::find $path->as_string; 1882 my $map = cf::map::find $path;
1848 $map = $map->customise_for ($self) if $map; 1883 $map = $map->customise_for ($self) if $map;
1849 1884 $map
1850# warn "entering ", $map->path, " at ($x, $y)\n" 1885 } or
1851# if $map;
1852
1853 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1886 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854 1887
1855 $self->leave_link ($map, $x, $y); 1888 $self->leave_link ($map, $x, $y);
1856 })->prio (1); 1889 })->prio (1);
1857} 1890}
1858 1891
… …
1862 1895
1863sub parse_random_map_params { 1896sub parse_random_map_params {
1864 my ($spec) = @_; 1897 my ($spec) = @_;
1865 1898
1866 my $rmp = { # defaults 1899 my $rmp = { # defaults
1867 xsize => 10, 1900 xsize => (cf::rndm 15, 40),
1868 ysize => 10, 1901 ysize => (cf::rndm 15, 40),
1902 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1903 #layout => string,
1869 }; 1904 };
1870 1905
1871 for (split /\n/, $spec) { 1906 for (split /\n/, $spec) {
1872 my ($k, $v) = split /\s+/, $_, 2; 1907 my ($k, $v) = split /\s+/, $_, 2;
1873 1908
… …
1877 $rmp 1912 $rmp
1878} 1913}
1879 1914
1880sub prepare_random_map { 1915sub prepare_random_map {
1881 my ($exit) = @_; 1916 my ($exit) = @_;
1917
1918 my $guard = cf::lock_acquire "exit_prepare:$exit";
1882 1919
1883 # all this does is basically replace the /! path by 1920 # all this does is basically replace the /! path by
1884 # a new random map path (?random/...) with a seed 1921 # a new random map path (?random/...) with a seed
1885 # that depends on the exit object 1922 # that depends on the exit object
1886 1923
1887 my $rmp = parse_random_map_params $exit->msg; 1924 my $rmp = parse_random_map_params $exit->msg;
1888 1925
1889 if ($exit->map) { 1926 if ($exit->map) {
1890 $rmp->{region} = $exit->map->region_name; 1927 $rmp->{region} = $exit->region->name;
1891 $rmp->{origin_map} = $exit->map->path; 1928 $rmp->{origin_map} = $exit->map->path;
1892 $rmp->{origin_x} = $exit->x; 1929 $rmp->{origin_x} = $exit->x;
1893 $rmp->{origin_y} = $exit->y; 1930 $rmp->{origin_y} = $exit->y;
1894 } 1931 }
1895 1932
1896 $rmp->{random_seed} ||= $exit->random_seed; 1933 $rmp->{random_seed} ||= $exit->random_seed;
1897 1934
1898 my $data = cf::to_json $rmp; 1935 my $data = cf::to_json $rmp;
1899 my $md5 = Digest::MD5::md5_hex $data; 1936 my $md5 = Digest::MD5::md5_hex $data;
1937 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1900 1938
1901 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1939 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902 aio_write $fh, 0, (length $data), $data, 0; 1940 aio_write $fh, 0, (length $data), $data, 0;
1941 undef $fh;
1942 aio_rename "$meta~", $meta;
1903 1943
1904 $exit->slaying ("?random/$md5"); 1944 $exit->slaying ("?random/$md5");
1905 $exit->msg (undef); 1945 $exit->msg (undef);
1906 } 1946 }
1907} 1947}
1908 1948
1909sub cf::object::player::enter_exit { 1949sub cf::object::player::enter_exit {
1910 my ($self, $exit) = @_; 1950 my ($self, $exit) = @_;
1911 1951
1912 return unless $self->type == cf::PLAYER; 1952 return unless $self->type == cf::PLAYER;
1953
1954 if ($exit->slaying eq "/!") {
1955 #TODO: this should de-fi-ni-te-ly not be a sync-job
1956 cf::sync_job { prepare_random_map $exit };
1957 }
1958
1959 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960 my $hp = $exit->stats->hp;
1961 my $sp = $exit->stats->sp;
1913 1962
1914 $self->enter_link; 1963 $self->enter_link;
1915 1964
1916 (async { 1965 (async {
1917 $self->deactivate_recursive; # just to be sure 1966 $self->deactivate_recursive; # just to be sure
1918 unless (eval { 1967 unless (eval {
1919 prepare_random_map $exit 1968 $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 1969
1925 1; 1970 1;
1926 }) { 1971 }) {
1927 $self->message ("Something went wrong deep within the crossfire server. " 1972 $self->message ("Something went wrong deep within the crossfire server. "
1928 . "I'll try to bring you back to the map you were before. " 1973 . "I'll try to bring you back to the map you were before. "
… …
1989 # get handled first 2034 # get handled first
1990 my $queue = delete $ns->{query_queue} 2035 my $queue = delete $ns->{query_queue}
1991 or return; # be conservative, not sure how that can happen, but we saw a crash here 2036 or return; # be conservative, not sure how that can happen, but we saw a crash here
1992 2037
1993 (shift @$queue)->[1]->($msg); 2038 (shift @$queue)->[1]->($msg);
2039 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994 2040
1995 push @{ $ns->{query_queue} }, @$queue; 2041 push @{ $ns->{query_queue} }, @$queue;
1996 2042
1997 if (@{ $ns->{query_queue} } == @$queue) { 2043 if (@{ $ns->{query_queue} } == @$queue) {
1998 if (@$queue) { 2044 if (@$queue) {
… …
2159The parameter C<$family> should best start with the name of the extension 2205The parameter C<$family> should best start with the name of the extension
2160using it, it should be unique. 2206using it, it should be unique.
2161 2207
2162=over 4 2208=over 4
2163 2209
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 2210=item $value = cf::db_get $family => $key
2171 2211
2172Returns a single value from the database 2212Returns 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 2213
2179=item cf::db_put $family => $key => $value 2214=item cf::db_put $family => $key => $value
2180 2215
2181Stores the given C<$value> in the family hash. Updates are delayed, if you 2216Stores 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 2217
2192=cut 2218=cut
2193 2219
2194our $DB; 2220our $DB;
2195 2221
2196{ 2222sub db_init {
2223 unless ($DB) {
2224 $DB = BDB::db_create $DB_ENV;
2225
2226 cf::sync_job {
2227 eval {
2228 $DB->set_flags (BDB::CHKSUM);
2229
2230 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232 cf::cleanup "db_open(db): $!" if $!;
2233 };
2234 cf::cleanup "db_open(db): $@" if $@;
2235 };
2236
2197 my $path = cf::localdir . "/database.pst"; 2237 my $path = cf::localdir . "/database.pst";
2238 if (stat $path) {
2239 cf::sync_job {
2240 my $pst = Storable::retrieve $path;
2198 2241
2199 sub db_load() { 2242 cf::db_put (board => data => $pst->{board});
2200 $DB = stat $path ? Storable::retrieve $path : { }; 2243 cf::db_put (guildrules => data => $pst->{guildrules});
2201 } 2244 cf::db_put (rent => balance => $pst->{rent}{balance});
2245 BDB::db_env_txn_checkpoint $DB_ENV;
2202 2246
2203 my $pid; 2247 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 } 2248 };
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 }, 2249 }
2251 ); 2250 }
2251}
2252
2253sub db_get($$) {
2254 my $key = "$_[0]/$_[1]";
2255
2256 cf::sync_job {
2257 BDB::db_get $DB, undef, $key, my $data;
2258
2259 $! ? ()
2260 : Compress::LZF::sthaw $data
2261 }
2262}
2263
2264sub db_put($$$) {
2265 BDB::dbreq_pri 4;
2266 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252} 2267}
2253 2268
2254############################################################################# 2269#############################################################################
2255# the server's main() 2270# the server's init and main functions
2271
2272sub load_faces {
2273 my $path = sprintf "%s/faces", cf::datadir;
2274
2275 warn "loading faces from $path\n";
2276
2277 my $faces;
2278 0 < aio_load $path, $faces
2279 or die "$path: $!";
2280
2281 Coro::cede;
2282 $faces = Storable::thaw $faces;
2283 Coro::cede;
2284
2285 while (my ($face, $info) = each %$faces) {
2286 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2288 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2289 Coro::cede;
2290 }
2291
2292 1
2293}
2294
2295sub reload_resources {
2296 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2297 or die "unable to load regions file\n";#d#
2298 load_faces
2299 or die "unable to load faces\n";#d#
2300}
2301
2302sub init {
2303 reload_resources;
2304}
2256 2305
2257sub cfg_load { 2306sub cfg_load {
2258 open my $fh, "<:utf8", cf::confdir . "/config" 2307 open my $fh, "<:utf8", cf::confdir . "/config"
2259 or return; 2308 or return;
2260 2309
… …
2277 2326
2278sub main { 2327sub main {
2279 # we must not ever block the main coroutine 2328 # we must not ever block the main coroutine
2280 local $Coro::idle = sub { 2329 local $Coro::idle = sub {
2281 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2330 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331 (async {
2282 async { Event::one_event }; 2332 Event::one_event;
2333 })->prio (Coro::PRIO_MAX);
2283 }; 2334 };
2284 2335
2285 cfg_load; 2336 cfg_load;
2286 db_load; 2337 db_init;
2287 load_extensions; 2338 load_extensions;
2339
2340 $TICK_WATCHER->start;
2288 Event::loop; 2341 Event::loop;
2289} 2342}
2290 2343
2291############################################################################# 2344#############################################################################
2292# initialisation and cleanup 2345# initialisation and cleanup
2293 2346
2294# install some emergency cleanup handlers 2347# install some emergency cleanup handlers
2295BEGIN { 2348BEGIN {
2296 for my $signal (qw(INT HUP TERM)) { 2349 for my $signal (qw(INT HUP TERM)) {
2297 Event->signal ( 2350 Event->signal (
2351 reentrant => 0,
2298 data => WF_AUTOCANCEL, 2352 data => WF_AUTOCANCEL,
2299 signal => $signal, 2353 signal => $signal,
2354 prio => 0,
2300 cb => sub { 2355 cb => sub {
2301 cf::cleanup "SIG$signal"; 2356 cf::cleanup "SIG$signal";
2302 }, 2357 },
2303 ); 2358 );
2304 } 2359 }
2305} 2360}
… …
2310 warn "enter emergency perl save\n"; 2365 warn "enter emergency perl save\n";
2311 2366
2312 cf::sync_job { 2367 cf::sync_job {
2313 # use a peculiar iteration method to avoid tripping on perl 2368 # use a peculiar iteration method to avoid tripping on perl
2314 # refcount bugs in for. also avoids problems with players 2369 # refcount bugs in for. also avoids problems with players
2315 # and maps saved/Destroyed asynchronously. 2370 # and maps saved/destroyed asynchronously.
2316 warn "begin emergency player save\n"; 2371 warn "begin emergency player save\n";
2317 for my $login (keys %cf::PLAYER) { 2372 for my $login (keys %cf::PLAYER) {
2318 my $pl = $cf::PLAYER{$login} or next; 2373 my $pl = $cf::PLAYER{$login} or next;
2319 $pl->valid or next; 2374 $pl->valid or next;
2320 $pl->save; 2375 $pl->save;
… …
2326 my $map = $cf::MAP{$path} or next; 2381 my $map = $cf::MAP{$path} or next;
2327 $map->valid or next; 2382 $map->valid or next;
2328 $map->save; 2383 $map->save;
2329 } 2384 }
2330 warn "end emergency map save\n"; 2385 warn "end emergency map save\n";
2386
2387 warn "begin emergency database checkpoint\n";
2388 BDB::db_env_txn_checkpoint $DB_ENV;
2389 warn "end emergency database checkpoint\n";
2331 }; 2390 };
2332 2391
2333 warn "leave emergency perl save\n"; 2392 warn "leave emergency perl save\n";
2393}
2394
2395sub post_cleanup {
2396 my ($make_core) = @_;
2397
2398 warn Carp::longmess "post_cleanup backtrace"
2399 if $make_core;
2334} 2400}
2335 2401
2336sub reload() { 2402sub reload() {
2337 # can/must only be called in main 2403 # can/must only be called in main
2338 if ($Coro::current != $Coro::main) { 2404 if ($Coro::current != $Coro::main) {
2339 warn "can only reload from main coroutine\n"; 2405 warn "can only reload from main coroutine";
2340 return; 2406 return;
2341 } 2407 }
2342 2408
2343 warn "reloading..."; 2409 warn "reloading...";
2344 2410
2345 my $guard = freeze_mainloop; 2411 warn "entering sync_job";
2412
2413 cf::sync_job {
2414 cf::write_runtime; # external watchdog should not bark
2346 cf::emergency_save; 2415 cf::emergency_save;
2416 cf::write_runtime; # external watchdog should not bark
2347 2417
2348 eval { 2418 warn "syncing database to disk";
2419 BDB::db_env_txn_checkpoint $DB_ENV;
2420
2349 # if anything goes wrong in here, we should simply crash as we already saved 2421 # if anything goes wrong in here, we should simply crash as we already saved
2350 2422
2351 # cancel all watchers 2423 warn "cancelling all WF_AUTOCANCEL watchers";
2352 for (Event::all_watchers) { 2424 for (Event::all_watchers) {
2353 $_->cancel if $_->data & WF_AUTOCANCEL; 2425 $_->cancel if $_->data & WF_AUTOCANCEL;
2354 } 2426 }
2355 2427
2428 warn "flushing outstanding aio requests";
2429 for (;;) {
2430 BDB::flush;
2431 IO::AIO::flush;
2432 Coro::cede;
2433 last unless IO::AIO::nreqs || BDB::nreqs;
2434 warn "iterate...";
2435 }
2436
2437 ++$RELOAD;
2438
2356 # cancel all extension coros 2439 warn "cancelling all extension coros";
2357 $_->cancel for values %EXT_CORO; 2440 $_->cancel for values %EXT_CORO;
2358 %EXT_CORO = (); 2441 %EXT_CORO = ();
2359 2442
2360 # unload all extensions 2443 warn "removing commands";
2361 for (@exts) { 2444 %COMMAND = ();
2445
2446 warn "removing ext commands";
2447 %EXTCMD = ();
2448
2449 warn "unloading/nuking all extensions";
2450 for my $pkg (@EXTS) {
2362 warn "unloading <$_>"; 2451 warn "... unloading $pkg";
2363 unload_extension $_; 2452
2453 if (my $cb = $pkg->can ("unload")) {
2454 eval {
2455 $cb->($pkg);
2456 1
2457 } or warn "$pkg unloaded, but with errors: $@";
2364 } 2458 }
2365 2459
2460 warn "... nuking $pkg";
2461 Symbol::delete_package $pkg;
2462 }
2463
2366 # unload all modules loaded from $LIBDIR 2464 warn "unloading all perl modules loaded from $LIBDIR";
2367 while (my ($k, $v) = each %INC) { 2465 while (my ($k, $v) = each %INC) {
2368 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2466 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369 2467
2370 warn "removing <$k>"; 2468 warn "... unloading $k";
2371 delete $INC{$k}; 2469 delete $INC{$k};
2372 2470
2373 $k =~ s/\.pm$//; 2471 $k =~ s/\.pm$//;
2374 $k =~ s/\//::/g; 2472 $k =~ s/\//::/g;
2375 2473
… …
2378 } 2476 }
2379 2477
2380 Symbol::delete_package $k; 2478 Symbol::delete_package $k;
2381 } 2479 }
2382 2480
2383 # sync database to disk
2384 cf::db_sync;
2385 IO::AIO::flush;
2386
2387 # get rid of safe::, as good as possible 2481 warn "getting rid of safe::, as good as possible";
2388 Symbol::delete_package "safe::$_" 2482 Symbol::delete_package "safe::$_"
2389 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2483 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390 2484
2391 # remove register_script_function callbacks
2392 # TODO
2393
2394 # unload cf.pm "a bit" 2485 warn "unloading cf.pm \"a bit\"";
2395 delete $INC{"cf.pm"}; 2486 delete $INC{"cf.pm"};
2396 2487
2397 # don't, removes xs symbols, too, 2488 # don't, removes xs symbols, too,
2398 # and global variables created in xs 2489 # and global variables created in xs
2399 #Symbol::delete_package __PACKAGE__; 2490 #Symbol::delete_package __PACKAGE__;
2400 2491
2401 # reload cf.pm 2492 warn "unload completed, starting to reload now";
2493
2402 warn "reloading cf.pm"; 2494 warn "reloading cf.pm";
2403 require cf; 2495 require cf;
2404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2496 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405 2497
2406 # load config and database again 2498 warn "loading config and database again";
2407 cf::cfg_load; 2499 cf::cfg_load;
2408 cf::db_load;
2409 2500
2410 # load extensions
2411 warn "load extensions"; 2501 warn "loading extensions";
2412 cf::load_extensions; 2502 cf::load_extensions;
2413 2503
2414 # reattach attachments to objects 2504 warn "reattaching attachments to objects/players";
2415 warn "reattach"; 2505 _global_reattach; # objects, sockets
2416 _global_reattach; 2506 warn "reattaching attachments to maps";
2417 reattach $_ for values %MAP; 2507 reattach $_ for values %MAP;
2418 }; 2508 warn "reattaching attachments to players";
2509 reattach $_ for values %PLAYER;
2419 2510
2420 if ($@) { 2511 warn "loading reloadable resources";
2512 reload_resources;
2513
2514 warn "leaving sync_job";
2515
2516 1
2517 } or do {
2421 warn $@; 2518 warn $@;
2422 warn "error while reloading, exiting."; 2519 warn "error while reloading, exiting.";
2423 exit 1; 2520 exit 1;
2424 } 2521 };
2425 2522
2426 warn "reloaded successfully"; 2523 warn "reloaded";
2427}; 2524};
2428 2525
2429############################################################################# 2526our $RELOAD_WATCHER; # used only during reload
2430
2431unless ($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} = $LINK_MAP;
2470}
2471
2472register "<global>", __PACKAGE__;
2473 2527
2474register_command "reload" => sub { 2528register_command "reload" => sub {
2475 my ($who, $arg) = @_; 2529 my ($who, $arg) = @_;
2476 2530
2477 if ($who->flag (FLAG_WIZ)) { 2531 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("start of reload."); 2532 $who->message ("reloading server.");
2533
2534 # doing reload synchronously and two reloads happen back-to-back,
2535 # coro crashes during coro_state_free->destroy here.
2536
2537 $RELOAD_WATCHER ||= Event->timer (
2538 reentrant => 0,
2539 after => 0,
2540 data => WF_AUTOCANCEL,
2541 cb => sub {
2479 reload; 2542 reload;
2480 $who->message ("end of reload."); 2543 undef $RELOAD_WATCHER;
2544 },
2545 );
2481 } 2546 }
2482}; 2547};
2483 2548
2484unshift @INC, $LIBDIR; 2549unshift @INC, $LIBDIR;
2550
2551my $bug_warning = 0;
2485 2552
2486$TICK_WATCHER = Event->timer ( 2553$TICK_WATCHER = Event->timer (
2487 reentrant => 0, 2554 reentrant => 0,
2555 parked => 1,
2488 prio => 0, 2556 prio => 0,
2489 at => $NEXT_TICK || $TICK, 2557 at => $NEXT_TICK || $TICK,
2490 data => WF_AUTOCANCEL, 2558 data => WF_AUTOCANCEL,
2491 cb => sub { 2559 cb => sub {
2560 if ($Coro::current != $Coro::main) {
2561 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562 unless ++$bug_warning > 10;
2563 return;
2564 }
2565
2566 $NOW = Event::time;
2567
2492 cf::server_tick; # one server iteration 2568 cf::server_tick; # one server iteration
2493 $RUNTIME += $TICK; 2569 $RUNTIME += $TICK;
2494 $NEXT_TICK += $TICK; 2570 $NEXT_TICK += $TICK;
2495 2571
2572 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573 $NEXT_RUNTIME_WRITE = $NOW + 10;
2574 Coro::async_pool {
2575 write_runtime
2576 or warn "ERROR: unable to write runtime file: $!";
2577 };
2578 }
2579
2496 $WAIT_FOR_TICK->broadcast; 2580 $WAIT_FOR_TICK->broadcast;
2497 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2581 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583# my $AFTER = Event::time;
2584# warn $AFTER - $NOW;#d#
2498 2585
2499 # if we are delayed by four ticks or more, skip them all 2586 # if we are delayed by four ticks or more, skip them all
2500 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2587 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501 2588
2502 $TICK_WATCHER->at ($NEXT_TICK); 2589 $TICK_WATCHER->at ($NEXT_TICK);
2503 $TICK_WATCHER->start; 2590 $TICK_WATCHER->start;
2504 }, 2591 },
2505); 2592);
2506 2593
2594{
2507IO::AIO::max_poll_time $TICK * 0.2; 2595 BDB::max_poll_time $TICK * 0.1;
2508 2596 $BDB_POLL_WATCHER = Event->io (
2509Event->io ( 2597 reentrant => 0,
2510 fd => IO::AIO::poll_fileno, 2598 fd => BDB::poll_fileno,
2511 poll => 'r', 2599 poll => 'r',
2512 prio => 5, 2600 prio => 0,
2513 data => WF_AUTOCANCEL,
2514 cb => \&IO::AIO::poll_cb,
2515);
2516
2517Event->timer (
2518 data => WF_AUTOCANCEL, 2601 data => WF_AUTOCANCEL,
2519 after => 0, 2602 cb => \&BDB::poll_cb,
2520 interval => 10, 2603 );
2521 cb => sub { 2604 BDB::min_parallel 8;
2522 (Coro::unblock_sub { 2605
2523 write_runtime 2606 BDB::set_sync_prepare {
2524 or warn "ERROR: unable to write runtime file: $!"; 2607 my $status;
2608 my $current = $Coro::current;
2609 (
2610 sub {
2611 $status = $!;
2612 $current->ready; undef $current;
2613 },
2614 sub {
2615 Coro::schedule while defined $current;
2616 $! = $status;
2617 },
2618 )
2619 };
2620
2621 unless ($DB_ENV) {
2622 $DB_ENV = BDB::db_env_create;
2623
2624 cf::sync_job {
2625 eval {
2626 BDB::db_env_open
2627 $DB_ENV,
2628 $BDB_ENV_DIR,
2629 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631 0666;
2632
2633 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2634
2635 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636 $DB_ENV->set_lk_detect;
2637 };
2638
2639 cf::cleanup "db_env_open(db): $@" if $@;
2525 })->(); 2640 };
2526 }, 2641 }
2527); 2642}
2643
2644{
2645 IO::AIO::min_parallel 8;
2646
2647 undef $Coro::AIO::WATCHER;
2648 IO::AIO::max_poll_time $TICK * 0.1;
2649 $AIO_POLL_WATCHER = Event->io (
2650 reentrant => 0,
2651 data => WF_AUTOCANCEL,
2652 fd => IO::AIO::poll_fileno,
2653 poll => 'r',
2654 prio => 6,
2655 cb => \&IO::AIO::poll_cb,
2656 );
2657}
2528 2658
2529END { cf::emergency_save } 2659END { cf::emergency_save }
2530 2660
25311 26611
2532 2662

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