ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 2007 UTC

… …
8use Storable; 8use Storable;
9use Opcode; 9use Opcode;
10use Safe; 10use Safe;
11use Safe::Hole; 11use Safe::Hole;
12 12
13use Coro 3.3 (); 13use Coro 3.5 ();
14use Coro::Event; 14use Coro::Event;
15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
19 19
20use BDB ();
20use Data::Dumper; 21use Data::Dumper;
21use Digest::MD5; 22use Digest::MD5;
22use Fcntl; 23use Fcntl;
23use IO::AIO 2.32 (); 24use IO::AIO 2.32 ();
24use YAML::Syck (); 25use YAML::Syck ();
25use Time::HiRes; 26use Time::HiRes;
27use Compress::LZF;
28
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26 30
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 31use Event; $Event::Eval = 1; # no idea why this is required, but it is
28 32
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 34
… …
33 37
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 39
36our %COMMAND = (); 40our %COMMAND = ();
37our %COMMAND_TIME = (); 41our %COMMAND_TIME = ();
42
43our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 44our %EXTCMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps
39 47
40our @EVENT; 48our @EVENT;
41our $LIBDIR = datadir . "/ext"; 49our $LIBDIR = datadir . "/ext";
42 50
43our $TICK = MAX_TIME * 1e-6; 51our $TICK = MAX_TIME * 1e-6;
44our $TICK_WATCHER; 52our $TICK_WATCHER;
53our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 55our $NEXT_TICK;
46our $NOW; 56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off
58
59our $BDB_POLL_WATCHER;
60our $DB_ENV;
47 61
48our %CFG; 62our %CFG;
49 63
50our $UPTIME; $UPTIME ||= time; 64our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 65our $RUNTIME;
52 66
53our %PLAYER; # all users 67our %PLAYER; # all users
54our %MAP; # all maps 68our %MAP; # all maps
55our $LINK_MAP; # the special {link} map 69our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random"; 70our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions 71our $BDB_ENV_DIR = cf::localdir . "/db";
58 72
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75
76# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61 78
62binmode STDOUT; 79binmode STDOUT;
63binmode STDERR; 80binmode STDERR;
64 81
65# read virtual server time, if available 82# read virtual server time, if available
… …
72mkdir cf::localdir; 89mkdir cf::localdir;
73mkdir cf::localdir . "/" . cf::playerdir; 90mkdir cf::localdir . "/" . cf::playerdir;
74mkdir cf::localdir . "/" . cf::tmpdir; 91mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir; 92mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS; 93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
77 95
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 96our $EMERGENCY_POSITION;
97
98sub cf::map::normalise;
81 99
82############################################################################# 100#############################################################################
83 101
84=head2 GLOBAL VARIABLES 102=head2 GLOBAL VARIABLES
85 103
… …
156} 174}
157 175
158$Event::DIED = sub { 176$Event::DIED = sub {
159 warn "error in event callback: @_"; 177 warn "error in event callback: @_";
160}; 178};
161
162my %ext_pkg;
163my @exts;
164my @hook;
165 179
166=head2 UTILITY FUNCTIONS 180=head2 UTILITY FUNCTIONS
167 181
168=over 4 182=over 4
169 183
… …
257} 271}
258 272
259sub freeze_mainloop { 273sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 274 return unless $TICK_WATCHER->is_active;
261 275
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 276 my $guard = Coro::guard {
277 $TICK_WATCHER->start;
278 };
263 $TICK_WATCHER->stop; 279 $TICK_WATCHER->stop;
264 $guard 280 $guard
265} 281}
266 282
267=item cf::async { BLOCK } 283=item cf::async { BLOCK }
… …
319 } 335 }
320} 336}
321 337
322=item $coro = cf::async_ext { BLOCK } 338=item $coro = cf::async_ext { BLOCK }
323 339
324Like async, but this coro is automcatially being canceled when the 340Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 341extension calling this is being unloaded.
326 342
327=cut 343=cut
328 344
329sub async_ext(&) { 345sub async_ext(&) {
… …
338 354
339 $coro 355 $coro
340} 356}
341 357
342sub write_runtime { 358sub write_runtime {
359 my $guard = cf::lock_acquire "write_runtime";
360
343 my $runtime = cf::localdir . "/runtime"; 361 my $runtime = cf::localdir . "/runtime";
344 362
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346 or return; 364 or return;
347 365
366 my $value = $cf::RUNTIME + 90 + 10;
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 367 # 10 is the runtime save interval, for a monotonic clock
368 # 60 allows for the watchdog to kill the server.
369
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0 370 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return; 371 and return;
351 372
373 # always fsync - this file is important
352 aio_fsync $fh 374 aio_fsync $fh
353 and return; 375 and return;
354 376
355 close $fh 377 close $fh
356 or return; 378 or return;
… …
362} 384}
363 385
364=back 386=back
365 387
366=cut 388=cut
367
368#############################################################################
369
370package cf::path;
371
372# used to convert map paths into valid unix filenames by repalcing / by ∕
373our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375sub new {
376 my ($class, $path, $base) = @_;
377
378 $path = $path->as_string if ref $path;
379
380 my $self = bless { }, $class;
381
382 # {... are special paths that are not touched
383 # ?xxx/... are special absolute paths
384 # ?random/... random maps
385 # /! non-realised random map exit
386 # /... normal maps
387 # ~/... per-player maps without a specific player (DO NOT USE)
388 # ~user/... per-player map of a specific user
389
390 if ($path =~ /^{/) {
391 # fine as it is
392 } elsif ($path =~ s{^\?random/}{}) {
393 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394 $self->{random} = cf::from_json $data;
395 } else {
396 if ($path =~ s{^~([^/]+)?}{}) {
397 $self->{user_rel} = 1;
398
399 if (defined $1) {
400 $self->{user} = $1;
401 } elsif ($base =~ m{^~([^/]+)/}) {
402 $self->{user} = $1;
403 } else {
404 warn "cannot resolve user-relative path without user <$path,$base>\n";
405 }
406 } elsif ($path =~ /^\//) {
407 # already absolute
408 } else {
409 $base =~ s{[^/]+/?$}{};
410 return $class->new ("$base/$path");
411 }
412
413 for ($path) {
414 redo if s{/\.?/}{/};
415 redo if s{/[^/]+/\.\./}{/};
416 }
417 }
418
419 $self->{path} = $path;
420
421 $self
422}
423
424# the name / primary key / in-game path
425sub as_string {
426 my ($self) = @_;
427
428 $self->{user_rel} ? "~$self->{user}$self->{path}"
429 : $self->{random} ? "?random/$self->{path}"
430 : $self->{path}
431}
432
433# the displayed name, this is a one way mapping
434sub visible_name {
435 my ($self) = @_;
436
437# if (my $rmp = $self->{random}) {
438# # todo: be more intelligent about this
439# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440# } else {
441 $self->as_string
442# }
443}
444
445# escape the /'s in the path
446sub _escaped_path {
447 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448 $path
449}
450
451# the original (read-only) location
452sub load_path {
453 my ($self) = @_;
454
455 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456}
457
458# the temporary/swap location
459sub save_path {
460 my ($self) = @_;
461
462 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465}
466
467# the unique path, might be eq to save_path
468sub uniq_path {
469 my ($self) = @_;
470
471 $self->{user_rel} || $self->{random}
472 ? undef
473 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474}
475
476# return random map parameters, or undef
477sub random_map_params {
478 my ($self) = @_;
479
480 $self->{random}
481}
482
483# this is somewhat ugly, but style maps do need special treatment
484sub is_style_map {
485 $_[0]{path} =~ m{^/styles/}
486}
487
488package cf;
489 389
490############################################################################# 390#############################################################################
491 391
492=head2 ATTACHABLE OBJECTS 392=head2 ATTACHABLE OBJECTS
493 393
… …
619our @CB_TYPE = (); # registry for type (cf-object class) based events 519our @CB_TYPE = (); # registry for type (cf-object class) based events
620our @CB_MAP = (); 520our @CB_MAP = ();
621 521
622my %attachment; 522my %attachment;
623 523
524sub cf::attachable::thawer_merge {
525 # simply override everything except _meta
526 local $_[0]{_meta};
527 %{$_[0]} = %{$_[1]};
528}
529
624sub _attach_cb($$$$) { 530sub _attach_cb($$$$) {
625 my ($registry, $event, $prio, $cb) = @_; 531 my ($registry, $event, $prio, $cb) = @_;
626 532
627 use sort 'stable'; 533 use sort 'stable';
628 534
… …
799# object support 705# object support
800 706
801sub reattach { 707sub reattach {
802 # basically do the same as instantiate, without calling instantiate 708 # basically do the same as instantiate, without calling instantiate
803 my ($obj) = @_; 709 my ($obj) = @_;
710
711 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804 712
805 my $registry = $obj->registry; 713 my $registry = $obj->registry;
806 714
807 @$registry = (); 715 @$registry = ();
808 716
… …
855 $filename, length $$rdata, scalar @$objs; 763 $filename, length $$rdata, scalar @$objs;
856 764
857 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858 chmod SAVE_MODE, $fh; 766 chmod SAVE_MODE, $fh;
859 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 767 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860 aio_fsync $fh; 768 aio_fsync $fh if $cf::USE_FSYNC;
861 close $fh; 769 close $fh;
862 770
863 if (@$objs) { 771 if (@$objs) {
864 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 772 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865 chmod SAVE_MODE, $fh; 773 chmod SAVE_MODE, $fh;
866 my $data = Storable::nfreeze { version => 1, objs => $objs }; 774 my $data = Storable::nfreeze { version => 1, objs => $objs };
867 aio_write $fh, 0, (length $data), $data, 0; 775 aio_write $fh, 0, (length $data), $data, 0;
868 aio_fsync $fh; 776 aio_fsync $fh if $cf::USE_FSYNC;
869 close $fh; 777 close $fh;
870 aio_rename "$filename.pst~", "$filename.pst"; 778 aio_rename "$filename.pst~", "$filename.pst";
871 } 779 }
872 } else { 780 } else {
873 aio_unlink "$filename.pst"; 781 aio_unlink "$filename.pst";
… …
940=cut 848=cut
941 849
942sub register_extcmd { 850sub register_extcmd {
943 my ($name, $cb) = @_; 851 my ($name, $cb) = @_;
944 852
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 853 $EXTCMD{$name} = $cb;
949} 854}
950 855
951cf::player->attach ( 856cf::player->attach (
952 on_command => sub { 857 on_command => sub {
953 my ($pl, $name, $params) = @_; 858 my ($pl, $name, $params) = @_;
… …
966 871
967 my $msg = eval { from_json $buf }; 872 my $msg = eval { from_json $buf };
968 873
969 if (ref $msg) { 874 if (ref $msg) {
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 875 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 876 if (my %reply = $cb->($pl, $msg)) {
972 $pl->ext_reply ($msg->{msgid}, %reply); 877 $pl->ext_reply ($msg->{msgid}, %reply);
973 } 878 }
974 } 879 }
975 } else { 880 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 881 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
… …
978 883
979 cf::override; 884 cf::override;
980 }, 885 },
981); 886);
982 887
983sub register {
984 my ($base, $pkg) = @_;
985
986 #TODO
987}
988
989sub load_extension { 888sub load_extension {
990 my ($path) = @_; 889 my ($path) = @_;
991 890
992 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 891 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
993 my $base = $1; 892 my $base = $1;
994 my $pkg = $1; 893 my $pkg = $1;
995 $pkg =~ s/[^[:word:]]/_/g; 894 $pkg =~ s/[^[:word:]]/_/g;
996 $pkg = "ext::$pkg"; 895 $pkg = "ext::$pkg";
997 896
998 warn "loading '$path' into '$pkg'\n"; 897 warn "... loading '$path' into '$pkg'\n";
999 898
1000 open my $fh, "<:utf8", $path 899 open my $fh, "<:utf8", $path
1001 or die "$path: $!"; 900 or die "$path: $!";
1002 901
1003 my $source = 902 my $source =
1004 "package $pkg; use strict; use utf8;\n" 903 "package $pkg; use strict; use utf8;\n"
1005 . "#line 1 \"$path\"\n{\n" 904 . "#line 1 \"$path\"\n{\n"
1006 . (do { local $/; <$fh> }) 905 . (do { local $/; <$fh> })
1007 . "\n};\n1"; 906 . "\n};\n1";
1008 907
1009 eval $source 908 unless (eval $source) {
1010 or die $@ ? "$path: $@\n" 909 my $msg = $@ ? "$path: $@\n"
1011 : "extension disabled.\n"; 910 : "extension disabled.\n";
1012 911 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013 push @exts, $pkg; 912 warn $@;
1014 $ext_pkg{$base} = $pkg; 913 warn "mandatory extension failed to load, exiting.\n";
1015 914 exit 1;
1016# no strict 'refs'; 915 }
1017# @{"$pkg\::ISA"} = ext::; 916 die $@;
1018
1019 register $base, $pkg;
1020}
1021
1022sub unload_extension {
1023 my ($pkg) = @_;
1024
1025 warn "removing extension $pkg\n";
1026
1027 # remove hooks
1028 #TODO
1029# for my $idx (0 .. $#PLUGIN_EVENT) {
1030# delete $hook[$idx]{$pkg};
1031# } 917 }
1032 918
1033 # remove commands 919 push @EXTS, $pkg;
1034 for my $name (keys %COMMAND) {
1035 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037 if (@cb) {
1038 $COMMAND{$name} = \@cb;
1039 } else {
1040 delete $COMMAND{$name};
1041 }
1042 }
1043
1044 # remove extcmds
1045 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046 delete $EXTCMD{$name};
1047 }
1048
1049 if (my $cb = $pkg->can ("unload")) {
1050 eval {
1051 $cb->($pkg);
1052 1
1053 } or warn "$pkg unloaded, but with errors: $@";
1054 }
1055
1056 Symbol::delete_package $pkg;
1057} 920}
1058 921
1059sub load_extensions { 922sub load_extensions {
1060 for my $ext (<$LIBDIR/*.ext>) { 923 for my $ext (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 924 next unless -r $ext;
… …
1065 } or warn "$ext not loaded: $@"; 928 } or warn "$ext not loaded: $@";
1066 } 929 }
1067} 930}
1068 931
1069############################################################################# 932#############################################################################
1070# load/save/clean perl data associated with a map
1071
1072*cf::mapsupport::on_clean = sub {
1073 my ($map) = @_;
1074
1075 my $path = $map->tmpname;
1076 defined $path or return;
1077
1078 unlink "$path.pst";
1079};
1080
1081cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083#############################################################################
1084 933
1085=head2 CORE EXTENSIONS 934=head2 CORE EXTENSIONS
1086 935
1087Functions and methods that extend core crossfire objects. 936Functions and methods that extend core crossfire objects.
1088 937
… …
1124 973
1125sub exists($) { 974sub exists($) {
1126 my ($login) = @_; 975 my ($login) = @_;
1127 976
1128 $cf::PLAYER{$login} 977 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 978 or cf::sync_job { !aio_stat path $login }
1130} 979}
1131 980
1132sub find($) { 981sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 982 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 983 my $login = $_[0];
… …
1180 1029
1181=cut 1030=cut
1182 1031
1183sub quit_character { 1032sub quit_character {
1184 my ($pl) = @_; 1033 my ($pl) = @_;
1034
1035 my $name = $pl->ob->name;
1185 1036
1186 $pl->{deny_save} = 1; 1037 $pl->{deny_save} = 1;
1187 $pl->password ("*"); # this should lock out the player until we nuked the dir 1038 $pl->password ("*"); # this should lock out the player until we nuked the dir
1188 1039
1189 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1040 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1194 my $path = playerdir $pl; 1045 my $path = playerdir $pl;
1195 my $temp = "$path~$cf::RUNTIME~deleting~"; 1046 my $temp = "$path~$cf::RUNTIME~deleting~";
1196 aio_rename $path, $temp; 1047 aio_rename $path, $temp;
1197 delete $cf::PLAYER{$pl->ob->name}; 1048 delete $cf::PLAYER{$pl->ob->name};
1198 $pl->destroy; 1049 $pl->destroy;
1050
1051 my $prefix = qr<^~\Q$name\E/>;
1052
1053 # nuke player maps
1054 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055
1199 IO::AIO::aio_rmtree $temp; 1056 IO::AIO::aio_rmtree $temp;
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;
1200} 1071}
1201 1072
1202=item cf::player::list_logins 1073=item cf::player::list_logins
1203 1074
1204Returns 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
… …
1224 \@logins 1095 \@logins
1225} 1096}
1226 1097
1227=item $player->maps 1098=item $player->maps
1228 1099
1229Returns 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
1230player. May block. 1101player. May block.
1231 1102
1232=cut 1103=cut
1233 1104
1234sub maps($) { 1105sub maps($) {
1235 my ($pl) = @_; 1106 my ($pl) = @_;
1107
1108 $pl = ref $pl ? $pl->ob->name : $pl;
1236 1109
1237 my $files = aio_readdir playerdir $pl 1110 my $files = aio_readdir playerdir $pl
1238 or return; 1111 or return;
1239 1112
1240 my @paths; 1113 my @paths;
1241 1114
1242 for (@$files) { 1115 for (@$files) {
1243 utf8::decode $_; 1116 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1117 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1118 next unless /^$PATH_SEP/o;
1246 1119
1247 s/$PATH_SEP/\//g; 1120 push @paths, cf::map::normalise "~$pl/$_";
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249 } 1121 }
1250 1122
1251 \@paths 1123 \@paths
1252} 1124}
1253 1125
… …
1279package cf::map; 1151package cf::map;
1280 1152
1281use Fcntl; 1153use Fcntl;
1282use Coro::AIO; 1154use Coro::AIO;
1283 1155
1156use overload
1157 '""' => \&as_string,
1158 fallback => 1;
1159
1284our $MAX_RESET = 3600; 1160our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1161our $DEFAULT_RESET = 3000;
1286 1162
1287sub generate_random_map { 1163sub generate_random_map {
1288 my ($path, $rmp) = @_; 1164 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1165 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1166 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1167 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1168 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1169 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1170 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1171 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1172 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1173 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1174 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $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},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1176 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (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
1304} 1308}
1305 1309
1306# and all this just because we cannot iterate over 1310# and all this just because we cannot iterate over
1307# all maps in C++... 1311# all maps in C++...
1308sub change_all_map_light { 1312sub change_all_map_light {
… …
1310 1314
1311 $_->change_map_light ($change) 1315 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1316 for grep $_->outdoor, values %cf::MAP;
1313} 1317}
1314 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
1315sub try_load_header($) { 1327sub load_header_from($) {
1316 my ($path) = @_; 1328 my ($self, $path) = @_;
1317 1329
1318 utf8::encode $path; 1330 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1331 #aio_open $path, O_RDONLY, 0
1332 # or return;
1333
1334 $self->_load_header ($path)
1320 or return; 1335 or return;
1321 1336
1322 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
1323 or return; 1380 or return;
1381 $self->prepare_orig;
1382 }
1324 1383
1325 # for better error messages only, will be overwritten 1384 1
1326 $map->path ($path);
1327
1328 $map->load_header ($path)
1329 or return;
1330
1331 $map->{load_path} = $path;
1332
1333 $map
1334} 1385}
1335 1386
1336sub find; 1387sub find;
1337sub find { 1388sub find {
1338 my ($path, $origin) = @_; 1389 my ($path, $origin) = @_;
1339 1390
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1391 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1392
1345 cf::lock_wait "map_find:$key"; 1393 cf::lock_wait "map_find:$path";
1346 1394
1347 $cf::MAP{$key} || do { 1395 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1396 my $guard = cf::lock_acquire "map_find:$path";
1349 1397 my $map = new_from_path cf::map $path
1350 # do it the slow way
1351 my $map = try_load_header $path->save_path;
1352
1353 Coro::cede;
1354
1355 if ($map) {
1356 $map->last_access ((delete $map->{last_access})
1357 || $cf::RUNTIME); #d#
1358 # safety
1359 $map->{instantiate_time} = $cf::RUNTIME
1360 if $map->{instantiate_time} > $cf::RUNTIME;
1361 } else {
1362 if (my $rmp = $path->random_map_params) {
1363 $map = generate_random_map $key, $rmp;
1364 } else {
1365 $map = try_load_header $path->load_path;
1366 }
1367
1368 $map or return; 1398 or return;
1369 1399
1370 $map->{load_original} = 1;
1371 $map->{instantiate_time} = $cf::RUNTIME;
1372 $map->last_access ($cf::RUNTIME);
1373 $map->instantiate;
1374
1375 # per-player maps become, after loading, normal maps
1376 $map->per_player (0) if $path->{user_rel};
1377 }
1378
1379 $map->path ($key);
1380 $map->{path} = $path;
1381 $map->{last_save} = $cf::RUNTIME; 1400 $map->{last_save} = $cf::RUNTIME;
1382 1401
1383 Coro::cede; 1402 $map->load_header
1403 or return;
1384 1404
1385 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;
1386 $map->reset; 1408 $map->reset;
1387 undef $guard; 1409 undef $guard;
1388 $map = find $path 1410 return find $path;
1389 or return;
1390 } 1411 }
1391 1412
1392 $cf::MAP{$key} = $map 1413 $cf::MAP{$path} = $map
1393 } 1414 }
1394} 1415}
1416
1417sub pre_load { }
1418sub post_load { }
1395 1419
1396sub load { 1420sub load {
1397 my ($self) = @_; 1421 my ($self) = @_;
1398 1422
1423 local $self->{deny_reset} = 1; # loading can take a long time
1424
1399 my $path = $self->{path}; 1425 my $path = $self->{path};
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1426 my $guard = cf::lock_acquire "map_load:$path";
1401 1427
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1428 return if $self->in_memory != cf::MAP_SWAPPED;
1403 1429
1404 $self->in_memory (cf::MAP_LOADING); 1430 $self->in_memory (cf::MAP_LOADING);
1405 1431
1406 $self->alloc; 1432 $self->alloc;
1433
1434 $self->pre_load;
1435
1407 $self->load_objects ($self->{load_path}, 1) 1436 $self->_load_objects ($self->{load_path}, 1)
1408 or return; 1437 or return;
1409 1438
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1439 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1440 if delete $self->{load_original};
1412 1441
1413 if (my $uniq = $path->uniq_path) { 1442 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1443 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1444 if (aio_open $uniq, O_RDONLY, 0) {
1416 $self->clear_unique_items; 1445 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1446 $self->_load_objects ($uniq, 0);
1418 } 1447 }
1419 } 1448 }
1420 1449
1421 Coro::cede; 1450 Coro::cede;
1422 1451
1423 # now do the right thing for maps 1452 # now do the right thing for maps
1424 $self->link_multipart_objects; 1453 $self->link_multipart_objects;
1425 1454
1426 if ($self->{path}->is_style_map) { 1455 unless ($self->{deny_activate}) {
1427 $self->{deny_save} = 1; 1456 $self->decay_objects;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply; 1457 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons; 1458 $self->update_buttons;
1459 Coro::cede;
1433 $self->set_darkness_map; 1460 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1461 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1462 unless $self->difficulty;
1463 Coro::cede;
1436 $self->activate; 1464 $self->activate;
1437 } 1465 }
1438 1466
1439 Coro::cede; 1467 $self->post_load;
1440 1468
1441 $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
1442} 1479}
1443 1480
1444# 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
1445sub load_diag { 1482sub load_diag {
1446 my ($map) = @_; 1483 my ($map) = @_;
… …
1476 1513
1477 cf::sync_job { $map->load }; 1514 cf::sync_job { $map->load };
1478} 1515}
1479 1516
1480our %MAP_PREFETCH; 1517our %MAP_PREFETCH;
1481our $MAP_PREFETCHER = Coro::async { 1518our $MAP_PREFETCHER = undef;
1482 while () {
1483 while (%MAP_PREFETCH) {
1484 my $key = each %MAP_PREFETCH
1485 or next;
1486 my $path = delete $MAP_PREFETCH{$key};
1487
1488 my $map = find $path
1489 or next;
1490 $map->load;
1491 }
1492 Coro::schedule;
1493 }
1494};
1495 1519
1496sub find_async { 1520sub find_async {
1497 my ($path, $origin) = @_; 1521 my ($path, $origin) = @_;
1498 1522
1499 $path = new cf::path $path, $origin && $origin->path; 1523 $path = normalise $path, $origin && $origin->{path};
1500 my $key = $path->as_string;
1501 1524
1502 if (my $map = $cf::MAP{$key}) { 1525 if (my $map = $cf::MAP{$path}) {
1503 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1526 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504 } 1527 }
1505 1528
1506 $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 };
1507 $MAP_PREFETCHER->ready; 1542 $MAP_PREFETCHER->prio (6);
1508 1543
1509 () 1544 ()
1510} 1545}
1511 1546
1512sub save { 1547sub save {
… …
1516 1551
1517 $self->{last_save} = $cf::RUNTIME; 1552 $self->{last_save} = $cf::RUNTIME;
1518 1553
1519 return unless $self->dirty; 1554 return unless $self->dirty;
1520 1555
1521 my $save = $self->{path}->save_path; utf8::encode $save; 1556 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1557 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 1558
1524 $self->{load_path} = $save; 1559 $self->{load_path} = $save;
1525 1560
1526 return if $self->{deny_save}; 1561 return if $self->{deny_save};
1527 1562
… …
1530 cf::async { 1565 cf::async {
1531 $_->contr->save for $self->players; 1566 $_->contr->save for $self->players;
1532 }; 1567 };
1533 1568
1534 if ($uniq) { 1569 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1570 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 1571 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 1572 } else {
1538 $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);
1539 } 1574 }
1540} 1575}
1541 1576
1542sub swap_out { 1577sub swap_out {
1543 my ($self) = @_; 1578 my ($self) = @_;
… …
1557 1592
1558sub reset_at { 1593sub reset_at {
1559 my ($self) = @_; 1594 my ($self) = @_;
1560 1595
1561 # TODO: safety, remove and allow resettable per-player maps 1596 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel}; 1597 return 1e99 if $self->isa ("ext::map_per_player");#d#
1563 return 1e99 if $self->{deny_reset}; 1598 return 1e99 if $self->{deny_reset};
1564 1599
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1600 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 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;
1567 1602
… …
1572 my ($self) = @_; 1607 my ($self) = @_;
1573 1608
1574 $self->reset_at <= $cf::RUNTIME 1609 $self->reset_at <= $cf::RUNTIME
1575} 1610}
1576 1611
1577sub unlink_save {
1578 my ($self) = @_;
1579
1580 utf8::encode (my $save = $self->{path}->save_path);
1581 aioreq_pri 3; IO::AIO::aio_unlink $save;
1582 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583}
1584
1585sub rename {
1586 my ($self, $new_path) = @_;
1587
1588 $self->unlink_save;
1589
1590 delete $cf::MAP{$self->path};
1591 $self->{path} = new cf::path $new_path;
1592 $self->path ($self->{path}->as_string);
1593 $cf::MAP{$self->path} = $self;
1594
1595 $self->save;
1596}
1597
1598sub reset { 1612sub reset {
1599 my ($self) = @_; 1613 my ($self) = @_;
1600 1614
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 1615 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 1616
1603 return if $self->players; 1617 return if $self->players;
1604 return if $self->{path}{user_rel};#d# 1618 return if $self->isa ("ext::map_per_player");#d#
1605 1619
1606 warn "resetting map ", $self->path;#d# 1620 warn "resetting map ", $self->path;#d#
1607 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
1608 delete $cf::MAP{$self->path}; 1632 delete $cf::MAP{$self->path};
1633
1634 $self->clear;
1609 1635
1610 $_->clear_links_to ($self) for values %cf::MAP; 1636 $_->clear_links_to ($self) for values %cf::MAP;
1611 1637
1612 $self->unlink_save; 1638 $self->unlink_save;
1613 $self->destroy; 1639 $self->destroy;
… …
1616my $nuke_counter = "aaaa"; 1642my $nuke_counter = "aaaa";
1617 1643
1618sub nuke { 1644sub nuke {
1619 my ($self) = @_; 1645 my ($self) = @_;
1620 1646
1647 delete $cf::MAP{$self->path};
1648
1649 $self->unlink_save;
1650
1651 bless $self, "cf::map";
1652 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 1653 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 1654 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 1655 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656
1657 $cf::MAP{$self->path} = $self;
1658
1624 $self->reset; # polite request, might not happen 1659 $self->reset; # polite request, might not happen
1625} 1660}
1626 1661
1627sub customise_for { 1662=item cf::map::unique_maps
1628 my ($map, $ob) = @_;
1629 1663
1630 if ($map->per_player) { 1664Returns an arrayref of paths of all shared maps that have
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1665instantiated unique items. May block.
1632 }
1633 1666
1634 $map 1667=cut
1668
1669sub unique_maps() {
1670 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1671 or return;
1672
1673 my @paths;
1674
1675 for (@$files) {
1676 utf8::decode $_;
1677 next if /\.pst$/;
1678 next unless /^$PATH_SEP/o;
1679
1680 push @paths, cf::map::normalise $_;
1681 }
1682
1683 \@paths
1635} 1684}
1636 1685
1637package cf; 1686package cf;
1638 1687
1639=back 1688=back
… …
1711 1760
1712=item $player_object->enter_link 1761=item $player_object->enter_link
1713 1762
1714Freezes 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}>).
1715 1764
1716The 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
1717I<MUST> call C<leave_link> as soon as possible, though. 1766I<MUST> call C<leave_link> as soon as possible, though.
1718 1767
1768Will never block.
1769
1719=item $player_object->leave_link ($map, $x, $y) 1770=item $player_object->leave_link ($map, $x, $y)
1720 1771
1721Moves 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
1722map 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
1723location 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
1724to the emergency map position. 1775fails, to the emergency map position.
1725 1776
1726Might block. 1777Might block.
1727 1778
1728=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}
1729 1790
1730sub cf::object::player::enter_link { 1791sub cf::object::player::enter_link {
1731 my ($self) = @_; 1792 my ($self) = @_;
1732 1793
1733 $self->deactivate_recursive; 1794 $self->deactivate_recursive;
1734 1795
1735 return if $self->map == $LINK_MAP; 1796 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1797
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1798 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1799 if $self->map;
1739 1800
1740 $self->enter_map ($LINK_MAP, 20, 20); 1801 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 1802}
1742 1803
1743sub cf::object::player::leave_link { 1804sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1805 my ($self, $map, $x, $y) = @_;
1745 1806
… …
1767 $map->load; 1828 $map->load;
1768 $map->load_diag; 1829 $map->load_diag;
1769 1830
1770 return unless $self->contr->active; 1831 return unless $self->contr->active;
1771 $self->activate_recursive; 1832 $self->activate_recursive;
1833
1834 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772 $self->enter_map ($map, $x, $y); 1835 $self->enter_map ($map, $x, $y);
1773} 1836}
1774 1837
1775cf::player->attach ( 1838cf::player->attach (
1776 on_logout => sub { 1839 on_logout => sub {
… …
1789 # try to abort aborted map switching on player login :) 1852 # try to abort aborted map switching on player login :)
1790 # should happen only on crashes 1853 # should happen only on crashes
1791 if ($pl->ob->{_link_pos}) { 1854 if ($pl->ob->{_link_pos}) {
1792 $pl->ob->enter_link; 1855 $pl->ob->enter_link;
1793 (async { 1856 (async {
1794 # we need this sleep as the login has a concurrent enter_exit running
1795 # and this sleep increases chances of the player not ending up in scorn
1796 $pl->ob->reply (undef, 1857 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, " 1858 "There was an internal problem at your last logout, "
1798 . "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.",
1799 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
1800 Coro::Timer::sleep 1; 1863 Coro::Timer::sleep 1;
1801 $pl->ob->leave_link; 1864 $pl->ob->leave_link;
1802 })->prio (2); 1865 })->prio (2);
1803 } 1866 }
1804 }, 1867 },
… …
1809=cut 1872=cut
1810 1873
1811sub cf::object::player::goto { 1874sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1875 my ($self, $path, $x, $y) = @_;
1813 1876
1814 $path = new cf::path $path;
1815 $path ne "/" or Carp::cluck ("oy");#d#
1816
1817 $self->enter_link; 1877 $self->enter_link;
1818 1878
1819 (async { 1879 (async {
1880 my $map = eval {
1820 my $map = cf::map::find $path->as_string; 1881 my $map = cf::map::find $path;
1821 $map = $map->customise_for ($self) if $map; 1882 $map = $map->customise_for ($self) if $map;
1822 1883 $map
1823# warn "entering ", $map->path, " at ($x, $y)\n" 1884 } or
1824# if $map;
1825
1826 $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);
1827 1886
1828 $self->leave_link ($map, $x, $y); 1887 $self->leave_link ($map, $x, $y);
1829 })->prio (1); 1888 })->prio (1);
1830} 1889}
1831 1890
… …
1835 1894
1836sub parse_random_map_params { 1895sub parse_random_map_params {
1837 my ($spec) = @_; 1896 my ($spec) = @_;
1838 1897
1839 my $rmp = { # defaults 1898 my $rmp = { # defaults
1840 xsize => 10, 1899 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 1900 ysize => (cf::rndm 15, 40),
1901 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1902 #layout => string,
1842 }; 1903 };
1843 1904
1844 for (split /\n/, $spec) { 1905 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 1906 my ($k, $v) = split /\s+/, $_, 2;
1846 1907
… …
1850 $rmp 1911 $rmp
1851} 1912}
1852 1913
1853sub prepare_random_map { 1914sub prepare_random_map {
1854 my ($exit) = @_; 1915 my ($exit) = @_;
1916
1917 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 1918
1856 # all this does is basically replace the /! path by 1919 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 1920 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 1921 # that depends on the exit object
1859 1922
1860 my $rmp = parse_random_map_params $exit->msg; 1923 my $rmp = parse_random_map_params $exit->msg;
1861 1924
1862 if ($exit->map) { 1925 if ($exit->map) {
1863 $rmp->{region} = $exit->map->region_name; 1926 $rmp->{region} = $exit->region->name;
1864 $rmp->{origin_map} = $exit->map->path; 1927 $rmp->{origin_map} = $exit->map->path;
1865 $rmp->{origin_x} = $exit->x; 1928 $rmp->{origin_x} = $exit->x;
1866 $rmp->{origin_y} = $exit->y; 1929 $rmp->{origin_y} = $exit->y;
1867 } 1930 }
1868 1931
1869 $rmp->{random_seed} ||= $exit->random_seed; 1932 $rmp->{random_seed} ||= $exit->random_seed;
1870 1933
1871 my $data = cf::to_json $rmp; 1934 my $data = cf::to_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 1935 my $md5 = Digest::MD5::md5_hex $data;
1936 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873 1937
1874 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) {
1875 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;
1876 1942
1877 $exit->slaying ("?random/$md5"); 1943 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 1944 $exit->msg (undef);
1879 } 1945 }
1880} 1946}
1881 1947
1882sub cf::object::player::enter_exit { 1948sub cf::object::player::enter_exit {
1883 my ($self, $exit) = @_; 1949 my ($self, $exit) = @_;
1884 1950
1885 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;
1886 1961
1887 $self->enter_link; 1962 $self->enter_link;
1888 1963
1889 (async { 1964 (async {
1890 $self->deactivate_recursive; # just to be sure 1965 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 1966 unless (eval {
1892 prepare_random_map $exit 1967 $self->goto ($slaying, $hp, $sp);
1893 if $exit->slaying eq "/!";
1894
1895 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897 1968
1898 1; 1969 1;
1899 }) { 1970 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 1971 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "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. "
1902 . "Please report this to the dungeon master", 1973 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 1974 cf::NDI_UNIQUE | cf::NDI_RED);
1904 1975
1905 warn "ERROR in enter_exit: $@"; 1976 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 1977 $self->leave_link;
1907 } 1978 }
… …
1962 # get handled first 2033 # get handled first
1963 my $queue = delete $ns->{query_queue} 2034 my $queue = delete $ns->{query_queue}
1964 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
1965 2036
1966 (shift @$queue)->[1]->($msg); 2037 (shift @$queue)->[1]->($msg);
2038 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967 2039
1968 push @{ $ns->{query_queue} }, @$queue; 2040 push @{ $ns->{query_queue} }, @$queue;
1969 2041
1970 if (@{ $ns->{query_queue} } == @$queue) { 2042 if (@{ $ns->{query_queue} } == @$queue) {
1971 if (@$queue) { 2043 if (@$queue) {
… …
2132The 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
2133using it, it should be unique. 2205using it, it should be unique.
2134 2206
2135=over 4 2207=over 4
2136 2208
2137=item $hashref = cf::db_get $family
2138
2139Return a hashref for use by the extension C<$family>, which can be
2140modified. After modifications, you have to call C<cf::db_dirty> or
2141C<cf::db_sync>.
2142
2143=item $value = cf::db_get $family => $key 2209=item $value = cf::db_get $family => $key
2144 2210
2145Returns a single value from the database 2211Returns a single value from the database.
2146
2147=item cf::db_put $family => $hashref
2148
2149Stores the given family hashref into the database. Updates are delayed, if
2150you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151 2212
2152=item cf::db_put $family => $key => $value 2213=item cf::db_put $family => $key => $value
2153 2214
2154Stores the given C<$value> in the family hash. Updates are delayed, if you 2215Stores the given C<$value> in the family.
2155want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157=item cf::db_dirty
2158
2159Marks the database as dirty, to be updated at a later time.
2160
2161=item cf::db_sync
2162
2163Immediately write the database to disk I<if it is dirty>.
2164 2216
2165=cut 2217=cut
2166 2218
2167our $DB; 2219our $DB;
2168 2220
2169{ 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
2170 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;
2171 2240
2172 sub db_load() { 2241 cf::db_put (board => data => $pst->{board});
2173 $DB = stat $path ? Storable::retrieve $path : { }; 2242 cf::db_put (guildrules => data => $pst->{guildrules});
2174 } 2243 cf::db_put (rent => balance => $pst->{rent}{balance});
2244 BDB::db_env_txn_checkpoint $DB_ENV;
2175 2245
2176 my $pid; 2246 unlink $path;
2177
2178 sub db_save() {
2179 waitpid $pid, 0 if $pid;
2180 if (0 == ($pid = fork)) {
2181 $DB->{_meta}{version} = 1;
2182 Storable::nstore $DB, "$path~";
2183 rename "$path~", $path;
2184 cf::_exit 0 if defined $pid;
2185 } 2247 };
2186 }
2187
2188 my $dirty;
2189
2190 sub db_sync() {
2191 db_save if $dirty;
2192 undef $dirty;
2193 }
2194
2195 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196 db_sync;
2197 });
2198
2199 sub db_dirty() {
2200 $dirty = 1;
2201 $idle->start;
2202 }
2203
2204 sub db_get($;$) {
2205 @_ >= 2
2206 ? $DB->{$_[0]}{$_[1]}
2207 : ($DB->{$_[0]} ||= { })
2208 }
2209
2210 sub db_put($$;$) {
2211 if (@_ >= 3) {
2212 $DB->{$_[0]}{$_[1]} = $_[2];
2213 } else {
2214 $DB->{$_[0]} = $_[1];
2215 }
2216 db_dirty;
2217 }
2218
2219 cf::global->attach (
2220 prio => 10000,
2221 on_cleanup => sub {
2222 db_sync;
2223 }, 2248 }
2224 ); 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 { };
2225} 2266}
2226 2267
2227############################################################################# 2268#############################################################################
2228# 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}
2229 2275
2230sub cfg_load { 2276sub cfg_load {
2231 open my $fh, "<:utf8", cf::confdir . "/config" 2277 open my $fh, "<:utf8", cf::confdir . "/config"
2232 or return; 2278 or return;
2233 2279
… …
2246 }; 2292 };
2247 warn $@ if $@; 2293 warn $@ if $@;
2248 } 2294 }
2249} 2295}
2250 2296
2297sub init {
2298 init_resources;
2299}
2300
2251sub main { 2301sub main {
2252 # we must not ever block the main coroutine 2302 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 2303 local $Coro::idle = sub {
2254 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 {
2255 async { Event::one_event }; 2306 Event::one_event;
2307 })->prio (Coro::PRIO_MAX);
2256 }; 2308 };
2257 2309
2258 cfg_load; 2310 cfg_load;
2259 db_load; 2311 db_init;
2260 load_extensions; 2312 load_extensions;
2313
2314 $TICK_WATCHER->start;
2261 Event::loop; 2315 Event::loop;
2262} 2316}
2263 2317
2264############################################################################# 2318#############################################################################
2265# initialisation and cleanup 2319# initialisation and cleanup
2266 2320
2267# install some emergency cleanup handlers 2321# install some emergency cleanup handlers
2268BEGIN { 2322BEGIN {
2269 for my $signal (qw(INT HUP TERM)) { 2323 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 2324 Event->signal (
2325 reentrant => 0,
2271 data => WF_AUTOCANCEL, 2326 data => WF_AUTOCANCEL,
2272 signal => $signal, 2327 signal => $signal,
2328 prio => 0,
2273 cb => sub { 2329 cb => sub {
2274 cf::cleanup "SIG$signal"; 2330 cf::cleanup "SIG$signal";
2275 }, 2331 },
2276 ); 2332 );
2277 } 2333 }
2278} 2334}
… …
2283 warn "enter emergency perl save\n"; 2339 warn "enter emergency perl save\n";
2284 2340
2285 cf::sync_job { 2341 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 2342 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 2343 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 2344 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 2345 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 2346 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 2347 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 2348 $pl->valid or next;
2293 $pl->save; 2349 $pl->save;
… …
2299 my $map = $cf::MAP{$path} or next; 2355 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 2356 $map->valid or next;
2301 $map->save; 2357 $map->save;
2302 } 2358 }
2303 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 $DB_ENV;
2363 warn "end emergency database checkpoint\n";
2304 }; 2364 };
2305 2365
2306 warn "leave emergency perl save\n"; 2366 warn "leave emergency perl save\n";
2367}
2368
2369sub post_cleanup {
2370 my ($make_core) = @_;
2371
2372 warn Carp::longmess "post_cleanup backtrace"
2373 if $make_core;
2307} 2374}
2308 2375
2309sub reload() { 2376sub reload() {
2310 # can/must only be called in main 2377 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 2378 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 2379 warn "can only reload from main coroutine";
2313 return; 2380 return;
2314 } 2381 }
2315 2382
2316 warn "reloading..."; 2383 warn "reloading...";
2317 2384
2318 my $guard = freeze_mainloop; 2385 warn "entering sync_job";
2386
2387 cf::sync_job {
2388 cf::write_runtime; # external watchdog should not bark
2319 cf::emergency_save; 2389 cf::emergency_save;
2390 cf::write_runtime; # external watchdog should not bark
2320 2391
2321 eval { 2392 warn "syncing database to disk";
2393 BDB::db_env_txn_checkpoint $DB_ENV;
2394
2322 # 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
2323 2396
2324 # cancel all watchers 2397 warn "cancelling all WF_AUTOCANCEL watchers";
2325 for (Event::all_watchers) { 2398 for (Event::all_watchers) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 2399 $_->cancel if $_->data & WF_AUTOCANCEL;
2327 } 2400 }
2328 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
2329 # cancel all extension coros 2411 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 2412 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 2413 %EXT_CORO = ();
2332 2414
2333 # unload all extensions 2415 warn "removing commands";
2334 for (@exts) { 2416 %COMMAND = ();
2417
2418 warn "removing ext commands";
2419 %EXTCMD = ();
2420
2421 warn "unloading/nuking all extensions";
2422 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 2423 warn "... unloading $pkg";
2336 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: $@";
2337 } 2430 }
2338 2431
2432 warn "... nuking $pkg";
2433 Symbol::delete_package $pkg;
2434 }
2435
2339 # unload all modules loaded from $LIBDIR 2436 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 2437 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2438 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 2439
2343 warn "removing <$k>"; 2440 warn "... unloading $k";
2344 delete $INC{$k}; 2441 delete $INC{$k};
2345 2442
2346 $k =~ s/\.pm$//; 2443 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 2444 $k =~ s/\//::/g;
2348 2445
… …
2351 } 2448 }
2352 2449
2353 Symbol::delete_package $k; 2450 Symbol::delete_package $k;
2354 } 2451 }
2355 2452
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 2453 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 2454 Symbol::delete_package "safe::$_"
2362 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);
2363 2456
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 2457 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 2458 delete $INC{"cf.pm"};
2369 2459
2370 # don't, removes xs symbols, too, 2460 # don't, removes xs symbols, too,
2371 # and global variables created in xs 2461 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 2462 #Symbol::delete_package __PACKAGE__;
2373 2463
2374 # reload cf.pm 2464 warn "unload completed, starting to reload now";
2465
2375 warn "reloading cf.pm"; 2466 warn "reloading cf.pm";
2376 require cf; 2467 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2468 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 2469
2379 # load config and database again 2470 warn "loading config and database again";
2380 cf::cfg_load; 2471 cf::cfg_load;
2381 cf::db_load;
2382 2472
2383 # load extensions
2384 warn "load extensions"; 2473 warn "loading extensions";
2385 cf::load_extensions; 2474 cf::load_extensions;
2386 2475
2387 # reattach attachments to objects 2476 warn "reattaching attachments to objects/players";
2388 warn "reattach";
2389 _global_reattach; 2477 _global_reattach;
2478 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 2479 reattach $_ for values %MAP;
2391 };
2392 2480
2393 if ($@) { 2481 warn "loading reloadable resources";
2482 init_resources;
2483
2484 warn "leaving sync_job";
2485
2486 1
2487 } or do {
2394 warn $@; 2488 warn $@;
2395 warn "error while reloading, exiting."; 2489 warn "error while reloading, exiting.";
2396 exit 1; 2490 exit 1;
2397 } 2491 };
2398 2492
2399 warn "reloaded successfully"; 2493 warn "reloaded";
2400}; 2494};
2401 2495
2402############################################################################# 2496our $RELOAD_WATCHER; # used only during reload
2403
2404unless ($LINK_MAP) {
2405 $LINK_MAP = cf::map::new;
2406
2407 $LINK_MAP->width (41);
2408 $LINK_MAP->height (41);
2409 $LINK_MAP->alloc;
2410 $LINK_MAP->path ("{link}");
2411 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414 # dirty hack because... archetypes are not yet loaded
2415 Event->timer (
2416 after => 10,
2417 cb => sub {
2418 $_[0]->w->cancel;
2419
2420 # provide some exits "home"
2421 my $exit = cf::object::new "exit";
2422
2423 $exit->slaying ($EMERGENCY_POSITION->[0]);
2424 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427 $LINK_MAP->insert ($exit->clone, 19, 19);
2428 $LINK_MAP->insert ($exit->clone, 19, 20);
2429 $LINK_MAP->insert ($exit->clone, 19, 21);
2430 $LINK_MAP->insert ($exit->clone, 20, 19);
2431 $LINK_MAP->insert ($exit->clone, 20, 21);
2432 $LINK_MAP->insert ($exit->clone, 21, 19);
2433 $LINK_MAP->insert ($exit->clone, 21, 20);
2434 $LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436 $exit->destroy;
2437 });
2438
2439 $LINK_MAP->{deny_save} = 1;
2440 $LINK_MAP->{deny_reset} = 1;
2441
2442 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443}
2444
2445register "<global>", __PACKAGE__;
2446 2497
2447register_command "reload" => sub { 2498register_command "reload" => sub {
2448 my ($who, $arg) = @_; 2499 my ($who, $arg) = @_;
2449 2500
2450 if ($who->flag (FLAG_WIZ)) { 2501 if ($who->flag (FLAG_WIZ)) {
2451 $who->message ("start of reload."); 2502 $who->message ("reloading server.");
2503
2504 # doing reload synchronously and two reloads happen back-to-back,
2505 # coro crashes during coro_state_free->destroy here.
2506
2507 $RELOAD_WATCHER ||= Event->timer (
2508 reentrant => 0,
2509 after => 0,
2510 data => WF_AUTOCANCEL,
2511 cb => sub {
2452 reload; 2512 reload;
2453 $who->message ("end of reload."); 2513 undef $RELOAD_WATCHER;
2514 },
2515 );
2454 } 2516 }
2455}; 2517};
2456 2518
2457unshift @INC, $LIBDIR; 2519unshift @INC, $LIBDIR;
2520
2521my $bug_warning = 0;
2458 2522
2459$TICK_WATCHER = Event->timer ( 2523$TICK_WATCHER = Event->timer (
2460 reentrant => 0, 2524 reentrant => 0,
2525 parked => 1,
2461 prio => 0, 2526 prio => 0,
2462 at => $NEXT_TICK || $TICK, 2527 at => $NEXT_TICK || $TICK,
2463 data => WF_AUTOCANCEL, 2528 data => WF_AUTOCANCEL,
2464 cb => sub { 2529 cb => sub {
2530 if ($Coro::current != $Coro::main) {
2531 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2532 unless ++$bug_warning > 10;
2533 return;
2534 }
2535
2536 $NOW = Event::time;
2537
2465 cf::server_tick; # one server iteration 2538 cf::server_tick; # one server iteration
2466 $RUNTIME += $TICK; 2539 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 2540 $NEXT_TICK += $TICK;
2468 2541
2542 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2543 $NEXT_RUNTIME_WRITE = $NOW + 10;
2544 Coro::async_pool {
2545 write_runtime
2546 or warn "ERROR: unable to write runtime file: $!";
2547 };
2548 }
2549
2469 $WAIT_FOR_TICK->broadcast; 2550 $WAIT_FOR_TICK->broadcast;
2470 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2551 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2552
2553# my $AFTER = Event::time;
2554# warn $AFTER - $NOW;#d#
2471 2555
2472 # if we are delayed by four ticks or more, skip them all 2556 # if we are delayed by four ticks or more, skip them all
2473 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2557 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474 2558
2475 $TICK_WATCHER->at ($NEXT_TICK); 2559 $TICK_WATCHER->at ($NEXT_TICK);
2476 $TICK_WATCHER->start; 2560 $TICK_WATCHER->start;
2477 }, 2561 },
2478); 2562);
2479 2563
2564{
2480IO::AIO::max_poll_time $TICK * 0.2; 2565 BDB::max_poll_time $TICK * 0.1;
2481 2566 $BDB_POLL_WATCHER = Event->io (
2482Event->io ( 2567 reentrant => 0,
2483 fd => IO::AIO::poll_fileno, 2568 fd => BDB::poll_fileno,
2484 poll => 'r', 2569 poll => 'r',
2485 prio => 5, 2570 prio => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb,
2488);
2489
2490Event->timer (
2491 data => WF_AUTOCANCEL, 2571 data => WF_AUTOCANCEL,
2492 after => 0, 2572 cb => \&BDB::poll_cb,
2493 interval => 10, 2573 );
2494 cb => sub { 2574 BDB::min_parallel 8;
2495 (Coro::unblock_sub { 2575
2496 write_runtime 2576 BDB::set_sync_prepare {
2497 or warn "ERROR: unable to write runtime file: $!"; 2577 my $status;
2578 my $current = $Coro::current;
2579 (
2580 sub {
2581 $status = $!;
2582 $current->ready; undef $current;
2583 },
2584 sub {
2585 Coro::schedule while defined $current;
2586 $! = $status;
2587 },
2588 )
2589 };
2590
2591 unless ($DB_ENV) {
2592 $DB_ENV = BDB::db_env_create;
2593
2594 cf::sync_job {
2595 eval {
2596 BDB::db_env_open
2597 $DB_ENV,
2598 $BDB_ENV_DIR,
2599 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2600 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2601 0666;
2602
2603 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2604
2605 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2606 $DB_ENV->set_lk_detect;
2607 };
2608
2609 cf::cleanup "db_env_open(db): $@" if $@;
2498 })->(); 2610 };
2499 }, 2611 }
2500); 2612}
2613
2614{
2615 IO::AIO::min_parallel 8;
2616
2617 undef $Coro::AIO::WATCHER;
2618 IO::AIO::max_poll_time $TICK * 0.1;
2619 $AIO_POLL_WATCHER = Event->io (
2620 reentrant => 0,
2621 data => WF_AUTOCANCEL,
2622 fd => IO::AIO::poll_fileno,
2623 poll => 'r',
2624 prio => 6,
2625 cb => \&IO::AIO::poll_cb,
2626 );
2627}
2501 2628
2502END { cf::emergency_save } 2629END { cf::emergency_save }
2503 2630
25041 26311
2505 2632

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines