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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.223 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
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;
489 390
490############################################################################# 391#############################################################################
491 392
492=head2 ATTACHABLE OBJECTS 393=head2 ATTACHABLE OBJECTS
493 394
… …
619our @CB_TYPE = (); # registry for type (cf-object class) based events 520our @CB_TYPE = (); # registry for type (cf-object class) based events
620our @CB_MAP = (); 521our @CB_MAP = ();
621 522
622my %attachment; 523my %attachment;
623 524
525sub cf::attachable::thawer_merge {
526 # simply override everything except _meta
527 local $_[0]{_meta};
528 %{$_[0]} = %{$_[1]};
529}
530
624sub _attach_cb($$$$) { 531sub _attach_cb($$$$) {
625 my ($registry, $event, $prio, $cb) = @_; 532 my ($registry, $event, $prio, $cb) = @_;
626 533
627 use sort 'stable'; 534 use sort 'stable';
628 535
… …
799# object support 706# object support
800 707
801sub reattach { 708sub reattach {
802 # basically do the same as instantiate, without calling instantiate 709 # basically do the same as instantiate, without calling instantiate
803 my ($obj) = @_; 710 my ($obj) = @_;
711
712 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804 713
805 my $registry = $obj->registry; 714 my $registry = $obj->registry;
806 715
807 @$registry = (); 716 @$registry = ();
808 717
… …
855 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
856 765
857 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
859 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
861 close $fh; 770 close $fh;
862 771
863 if (@$objs) { 772 if (@$objs) {
864 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) {
865 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
866 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
867 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
868 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
869 close $fh; 778 close $fh;
870 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
871 } 780 }
872 } else { 781 } else {
873 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
… …
940=cut 849=cut
941 850
942sub register_extcmd { 851sub register_extcmd {
943 my ($name, $cb) = @_; 852 my ($name, $cb) = @_;
944 853
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 854 $EXTCMD{$name} = $cb;
949} 855}
950 856
951cf::player->attach ( 857cf::player->attach (
952 on_command => sub { 858 on_command => sub {
953 my ($pl, $name, $params) = @_; 859 my ($pl, $name, $params) = @_;
… …
966 872
967 my $msg = eval { from_json $buf }; 873 my $msg = eval { from_json $buf };
968 874
969 if (ref $msg) { 875 if (ref $msg) {
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 876 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 877 if (my %reply = $cb->($pl, $msg)) {
972 $pl->ext_reply ($msg->{msgid}, %reply); 878 $pl->ext_reply ($msg->{msgid}, %reply);
973 } 879 }
974 } 880 }
975 } else { 881 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
… …
978 884
979 cf::override; 885 cf::override;
980 }, 886 },
981); 887);
982 888
983sub register {
984 my ($base, $pkg) = @_;
985
986 #TODO
987}
988
989sub load_extension { 889sub load_extension {
990 my ($path) = @_; 890 my ($path) = @_;
991 891
992 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
993 my $base = $1; 893 my $base = $1;
994 my $pkg = $1; 894 my $pkg = $1;
995 $pkg =~ s/[^[:word:]]/_/g; 895 $pkg =~ s/[^[:word:]]/_/g;
996 $pkg = "ext::$pkg"; 896 $pkg = "ext::$pkg";
997 897
998 warn "loading '$path' into '$pkg'\n"; 898 warn "... loading '$path' into '$pkg'\n";
999 899
1000 open my $fh, "<:utf8", $path 900 open my $fh, "<:utf8", $path
1001 or die "$path: $!"; 901 or die "$path: $!";
1002 902
1003 my $source = 903 my $source =
1004 "package $pkg; use strict; use utf8;\n" 904 "package $pkg; use strict; use utf8;\n"
1005 . "#line 1 \"$path\"\n{\n" 905 . "#line 1 \"$path\"\n{\n"
1006 . (do { local $/; <$fh> }) 906 . (do { local $/; <$fh> })
1007 . "\n};\n1"; 907 . "\n};\n1";
1008 908
1009 eval $source 909 unless (eval $source) {
1010 or die $@ ? "$path: $@\n" 910 my $msg = $@ ? "$path: $@\n"
1011 : "extension disabled.\n"; 911 : "extension disabled.\n";
1012 912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013 push @exts, $pkg; 913 warn $@;
1014 $ext_pkg{$base} = $pkg; 914 warn "mandatory extension failed to load, exiting.\n";
1015 915 exit 1;
1016# no strict 'refs'; 916 }
1017# @{"$pkg\::ISA"} = ext::; 917 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# } 918 }
1032 919
1033 # remove commands 920 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} 921}
1058 922
1059sub load_extensions { 923sub load_extensions {
1060 for my $ext (<$LIBDIR/*.ext>) { 924 for my $ext (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 925 next unless -r $ext;
… …
1065 } or warn "$ext not loaded: $@"; 929 } or warn "$ext not loaded: $@";
1066 } 930 }
1067} 931}
1068 932
1069############################################################################# 933#############################################################################
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 934
1085=head2 CORE EXTENSIONS 935=head2 CORE EXTENSIONS
1086 936
1087Functions and methods that extend core crossfire objects. 937Functions and methods that extend core crossfire objects.
1088 938
… …
1124 974
1125sub exists($) { 975sub exists($) {
1126 my ($login) = @_; 976 my ($login) = @_;
1127 977
1128 $cf::PLAYER{$login} 978 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 979 or cf::sync_job { !aio_stat path $login }
1130} 980}
1131 981
1132sub find($) { 982sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 983 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 984 my $login = $_[0];
… …
1180 1030
1181=cut 1031=cut
1182 1032
1183sub quit_character { 1033sub quit_character {
1184 my ($pl) = @_; 1034 my ($pl) = @_;
1035
1036 my $name = $pl->ob->name;
1185 1037
1186 $pl->{deny_save} = 1; 1038 $pl->{deny_save} = 1;
1187 $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
1188 1040
1189 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1041 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1194 my $path = playerdir $pl; 1046 my $path = playerdir $pl;
1195 my $temp = "$path~$cf::RUNTIME~deleting~"; 1047 my $temp = "$path~$cf::RUNTIME~deleting~";
1196 aio_rename $path, $temp; 1048 aio_rename $path, $temp;
1197 delete $cf::PLAYER{$pl->ob->name}; 1049 delete $cf::PLAYER{$pl->ob->name};
1198 $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
1199 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;
1200} 1072}
1201 1073
1202=item cf::player::list_logins 1074=item cf::player::list_logins
1203 1075
1204Returns 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
… …
1224 \@logins 1096 \@logins
1225} 1097}
1226 1098
1227=item $player->maps 1099=item $player->maps
1228 1100
1229Returns 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
1230player. May block. 1102player. May block.
1231 1103
1232=cut 1104=cut
1233 1105
1234sub maps($) { 1106sub maps($) {
1235 my ($pl) = @_; 1107 my ($pl) = @_;
1108
1109 $pl = ref $pl ? $pl->ob->name : $pl;
1236 1110
1237 my $files = aio_readdir playerdir $pl 1111 my $files = aio_readdir playerdir $pl
1238 or return; 1112 or return;
1239 1113
1240 my @paths; 1114 my @paths;
1241 1115
1242 for (@$files) { 1116 for (@$files) {
1243 utf8::decode $_; 1117 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1118 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1119 next unless /^$PATH_SEP/o;
1246 1120
1247 s/$PATH_SEP/\//g; 1121 push @paths, cf::map::normalise "~$pl/$_";
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249 } 1122 }
1250 1123
1251 \@paths 1124 \@paths
1252} 1125}
1253 1126
… …
1279package cf::map; 1152package cf::map;
1280 1153
1281use Fcntl; 1154use Fcntl;
1282use Coro::AIO; 1155use Coro::AIO;
1283 1156
1157use overload
1158 '""' => \&as_string,
1159 fallback => 1;
1160
1284our $MAX_RESET = 3600; 1161our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1162our $DEFAULT_RESET = 3000;
1286 1163
1287sub generate_random_map { 1164sub generate_random_map {
1288 my ($path, $rmp) = @_; 1165 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1166 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1167 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1168 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1169 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1170 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1171 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1172 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1173 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1174 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1175 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $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},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1177 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (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
1304} 1309}
1305 1310
1306# and all this just because we cannot iterate over 1311# and all this just because we cannot iterate over
1307# all maps in C++... 1312# all maps in C++...
1308sub change_all_map_light { 1313sub change_all_map_light {
… …
1310 1315
1311 $_->change_map_light ($change) 1316 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1317 for grep $_->outdoor, values %cf::MAP;
1313} 1318}
1314 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
1315sub try_load_header($) { 1328sub load_header_from($) {
1316 my ($path) = @_; 1329 my ($self, $path) = @_;
1317 1330
1318 utf8::encode $path; 1331 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1332 #aio_open $path, O_RDONLY, 0
1333 # or return;
1334
1335 $self->_load_header ($path)
1320 or return; 1336 or return;
1321 1337
1322 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
1323 or return; 1381 or return;
1382 $self->prepare_orig;
1383 }
1324 1384
1325 # for better error messages only, will be overwritten 1385 1
1326 $map->path ($path);
1327
1328 $map->load_header ($path)
1329 or return;
1330
1331 $map->{load_path} = $path;
1332
1333 $map
1334} 1386}
1335 1387
1336sub find; 1388sub find;
1337sub find { 1389sub find {
1338 my ($path, $origin) = @_; 1390 my ($path, $origin) = @_;
1339 1391
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1392 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1393
1345 cf::lock_wait "map_find:$key"; 1394 cf::lock_wait "map_find:$path";
1346 1395
1347 $cf::MAP{$key} || do { 1396 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1397 my $guard = cf::lock_acquire "map_find:$path";
1349 1398 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; 1399 or return;
1369 1400
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; 1401 $map->{last_save} = $cf::RUNTIME;
1382 1402
1383 Coro::cede; 1403 $map->load_header
1404 or return;
1384 1405
1385 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;
1386 $map->reset; 1409 $map->reset;
1387 undef $guard; 1410 undef $guard;
1388 $map = find $path 1411 return find $path;
1389 or return;
1390 } 1412 }
1391 1413
1392 $cf::MAP{$key} = $map 1414 $cf::MAP{$path} = $map
1393 } 1415 }
1394} 1416}
1417
1418sub pre_load { }
1419sub post_load { }
1395 1420
1396sub load { 1421sub load {
1397 my ($self) = @_; 1422 my ($self) = @_;
1398 1423
1424 local $self->{deny_reset} = 1; # loading can take a long time
1425
1399 my $path = $self->{path}; 1426 my $path = $self->{path};
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1427 my $guard = cf::lock_acquire "map_load:$path";
1401 1428
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1429 return if $self->in_memory != cf::MAP_SWAPPED;
1403 1430
1404 $self->in_memory (cf::MAP_LOADING); 1431 $self->in_memory (cf::MAP_LOADING);
1405 1432
1406 $self->alloc; 1433 $self->alloc;
1434
1435 $self->pre_load;
1436
1407 $self->load_objects ($self->{load_path}, 1) 1437 $self->_load_objects ($self->{load_path}, 1)
1408 or return; 1438 or return;
1409 1439
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1440 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1441 if delete $self->{load_original};
1412 1442
1413 if (my $uniq = $path->uniq_path) { 1443 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1444 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1445 if (aio_open $uniq, O_RDONLY, 0) {
1416 $self->clear_unique_items; 1446 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1447 $self->_load_objects ($uniq, 0);
1418 } 1448 }
1419 } 1449 }
1420 1450
1421 Coro::cede; 1451 Coro::cede;
1422 1452
1423 # now do the right thing for maps 1453 # now do the right thing for maps
1424 $self->link_multipart_objects; 1454 $self->link_multipart_objects;
1425 1455
1426 if ($self->{path}->is_style_map) { 1456 unless ($self->{deny_activate}) {
1427 $self->{deny_save} = 1; 1457 $self->decay_objects;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply; 1458 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons; 1459 $self->update_buttons;
1460 Coro::cede;
1433 $self->set_darkness_map; 1461 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1462 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1463 unless $self->difficulty;
1464 Coro::cede;
1436 $self->activate; 1465 $self->activate;
1437 } 1466 }
1438 1467
1439 Coro::cede; 1468 $self->post_load;
1440 1469
1441 $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
1442} 1480}
1443 1481
1444# 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
1445sub load_diag { 1483sub load_diag {
1446 my ($map) = @_; 1484 my ($map) = @_;
… …
1476 1514
1477 cf::sync_job { $map->load }; 1515 cf::sync_job { $map->load };
1478} 1516}
1479 1517
1480our %MAP_PREFETCH; 1518our %MAP_PREFETCH;
1481our $MAP_PREFETCHER = Coro::async { 1519our $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 1520
1496sub find_async { 1521sub find_async {
1497 my ($path, $origin) = @_; 1522 my ($path, $origin) = @_;
1498 1523
1499 $path = new cf::path $path, $origin && $origin->path; 1524 $path = normalise $path, $origin && $origin->{path};
1500 my $key = $path->as_string;
1501 1525
1502 if (my $map = $cf::MAP{$key}) { 1526 if (my $map = $cf::MAP{$path}) {
1503 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1527 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504 } 1528 }
1505 1529
1506 $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 };
1507 $MAP_PREFETCHER->ready; 1543 $MAP_PREFETCHER->prio (6);
1508 1544
1509 () 1545 ()
1510} 1546}
1511 1547
1512sub save { 1548sub save {
… …
1516 1552
1517 $self->{last_save} = $cf::RUNTIME; 1553 $self->{last_save} = $cf::RUNTIME;
1518 1554
1519 return unless $self->dirty; 1555 return unless $self->dirty;
1520 1556
1521 my $save = $self->{path}->save_path; utf8::encode $save; 1557 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1558 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 1559
1524 $self->{load_path} = $save; 1560 $self->{load_path} = $save;
1525 1561
1526 return if $self->{deny_save}; 1562 return if $self->{deny_save};
1527 1563
… …
1530 cf::async { 1566 cf::async {
1531 $_->contr->save for $self->players; 1567 $_->contr->save for $self->players;
1532 }; 1568 };
1533 1569
1534 if ($uniq) { 1570 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1571 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 1572 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 1573 } else {
1538 $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);
1539 } 1575 }
1540} 1576}
1541 1577
1542sub swap_out { 1578sub swap_out {
1543 my ($self) = @_; 1579 my ($self) = @_;
… …
1557 1593
1558sub reset_at { 1594sub reset_at {
1559 my ($self) = @_; 1595 my ($self) = @_;
1560 1596
1561 # TODO: safety, remove and allow resettable per-player maps 1597 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel}; 1598 return 1e99 if $self->isa ("ext::map_per_player");#d#
1563 return 1e99 if $self->{deny_reset}; 1599 return 1e99 if $self->{deny_reset};
1564 1600
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1601 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 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;
1567 1603
… …
1572 my ($self) = @_; 1608 my ($self) = @_;
1573 1609
1574 $self->reset_at <= $cf::RUNTIME 1610 $self->reset_at <= $cf::RUNTIME
1575} 1611}
1576 1612
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 { 1613sub reset {
1599 my ($self) = @_; 1614 my ($self) = @_;
1600 1615
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 1616 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 1617
1603 return if $self->players; 1618 return if $self->players;
1604 return if $self->{path}{user_rel};#d# 1619 return if $self->isa ("ext::map_per_player");#d#
1605 1620
1606 warn "resetting map ", $self->path;#d# 1621 warn "resetting map ", $self->path;#d#
1607 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
1608 delete $cf::MAP{$self->path}; 1633 delete $cf::MAP{$self->path};
1634
1635 $self->clear;
1609 1636
1610 $_->clear_links_to ($self) for values %cf::MAP; 1637 $_->clear_links_to ($self) for values %cf::MAP;
1611 1638
1612 $self->unlink_save; 1639 $self->unlink_save;
1613 $self->destroy; 1640 $self->destroy;
… …
1616my $nuke_counter = "aaaa"; 1643my $nuke_counter = "aaaa";
1617 1644
1618sub nuke { 1645sub nuke {
1619 my ($self) = @_; 1646 my ($self) = @_;
1620 1647
1648 delete $cf::MAP{$self->path};
1649
1650 $self->unlink_save;
1651
1652 bless $self, "cf::map";
1653 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 1654 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 1655 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 1656 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657
1658 $cf::MAP{$self->path} = $self;
1659
1624 $self->reset; # polite request, might not happen 1660 $self->reset; # polite request, might not happen
1625} 1661}
1626 1662
1627sub customise_for { 1663=item cf::map::unique_maps
1628 my ($map, $ob) = @_;
1629 1664
1630 if ($map->per_player) { 1665Returns an arrayref of paths of all shared maps that have
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1666instantiated unique items. May block.
1632 }
1633 1667
1634 $map 1668=cut
1669
1670sub unique_maps() {
1671 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1672 or return;
1673
1674 my @paths;
1675
1676 for (@$files) {
1677 utf8::decode $_;
1678 next if /\.pst$/;
1679 next unless /^$PATH_SEP/o;
1680
1681 push @paths, cf::map::normalise $_;
1682 }
1683
1684 \@paths
1635} 1685}
1636 1686
1637package cf; 1687package cf;
1638 1688
1639=back 1689=back
… …
1711 1761
1712=item $player_object->enter_link 1762=item $player_object->enter_link
1713 1763
1714Freezes 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}>).
1715 1765
1716The 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
1717I<MUST> call C<leave_link> as soon as possible, though. 1767I<MUST> call C<leave_link> as soon as possible, though.
1718 1768
1769Will never block.
1770
1719=item $player_object->leave_link ($map, $x, $y) 1771=item $player_object->leave_link ($map, $x, $y)
1720 1772
1721Moves 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
1722map 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
1723location 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
1724to the emergency map position. 1776fails, to the emergency map position.
1725 1777
1726Might block. 1778Might block.
1727 1779
1728=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}
1729 1791
1730sub cf::object::player::enter_link { 1792sub cf::object::player::enter_link {
1731 my ($self) = @_; 1793 my ($self) = @_;
1732 1794
1733 $self->deactivate_recursive; 1795 $self->deactivate_recursive;
1734 1796
1735 return if $self->map == $LINK_MAP; 1797 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1798
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1799 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1800 if $self->map;
1739 1801
1740 $self->enter_map ($LINK_MAP, 20, 20); 1802 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 1803}
1742 1804
1743sub cf::object::player::leave_link { 1805sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1806 my ($self, $map, $x, $y) = @_;
1745 1807
… …
1767 $map->load; 1829 $map->load;
1768 $map->load_diag; 1830 $map->load_diag;
1769 1831
1770 return unless $self->contr->active; 1832 return unless $self->contr->active;
1771 $self->activate_recursive; 1833 $self->activate_recursive;
1834
1835 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772 $self->enter_map ($map, $x, $y); 1836 $self->enter_map ($map, $x, $y);
1773} 1837}
1774 1838
1775cf::player->attach ( 1839cf::player->attach (
1776 on_logout => sub { 1840 on_logout => sub {
… …
1789 # try to abort aborted map switching on player login :) 1853 # try to abort aborted map switching on player login :)
1790 # should happen only on crashes 1854 # should happen only on crashes
1791 if ($pl->ob->{_link_pos}) { 1855 if ($pl->ob->{_link_pos}) {
1792 $pl->ob->enter_link; 1856 $pl->ob->enter_link;
1793 (async { 1857 (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, 1858 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, " 1859 "There was an internal problem at your last logout, "
1798 . "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.",
1799 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
1800 Coro::Timer::sleep 1; 1864 Coro::Timer::sleep 1;
1801 $pl->ob->leave_link; 1865 $pl->ob->leave_link;
1802 })->prio (2); 1866 })->prio (2);
1803 } 1867 }
1804 }, 1868 },
… …
1809=cut 1873=cut
1810 1874
1811sub cf::object::player::goto { 1875sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1876 my ($self, $path, $x, $y) = @_;
1813 1877
1814 $path = new cf::path $path;
1815 $path ne "/" or Carp::cluck ("oy");#d#
1816
1817 $self->enter_link; 1878 $self->enter_link;
1818 1879
1819 (async { 1880 (async {
1881 my $map = eval {
1820 my $map = cf::map::find $path->as_string; 1882 my $map = cf::map::find $path;
1821 $map = $map->customise_for ($self) if $map; 1883 $map = $map->customise_for ($self) if $map;
1822 1884 $map
1823# warn "entering ", $map->path, " at ($x, $y)\n" 1885 } or
1824# if $map;
1825
1826 $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);
1827 1887
1828 $self->leave_link ($map, $x, $y); 1888 $self->leave_link ($map, $x, $y);
1829 })->prio (1); 1889 })->prio (1);
1830} 1890}
1831 1891
… …
1835 1895
1836sub parse_random_map_params { 1896sub parse_random_map_params {
1837 my ($spec) = @_; 1897 my ($spec) = @_;
1838 1898
1839 my $rmp = { # defaults 1899 my $rmp = { # defaults
1840 xsize => 10, 1900 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 1901 ysize => (cf::rndm 15, 40),
1902 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1903 #layout => string,
1842 }; 1904 };
1843 1905
1844 for (split /\n/, $spec) { 1906 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 1907 my ($k, $v) = split /\s+/, $_, 2;
1846 1908
… …
1850 $rmp 1912 $rmp
1851} 1913}
1852 1914
1853sub prepare_random_map { 1915sub prepare_random_map {
1854 my ($exit) = @_; 1916 my ($exit) = @_;
1917
1918 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 1919
1856 # all this does is basically replace the /! path by 1920 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 1921 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 1922 # that depends on the exit object
1859 1923
1860 my $rmp = parse_random_map_params $exit->msg; 1924 my $rmp = parse_random_map_params $exit->msg;
1861 1925
1862 if ($exit->map) { 1926 if ($exit->map) {
1863 $rmp->{region} = $exit->map->region_name; 1927 $rmp->{region} = $exit->region->name;
1864 $rmp->{origin_map} = $exit->map->path; 1928 $rmp->{origin_map} = $exit->map->path;
1865 $rmp->{origin_x} = $exit->x; 1929 $rmp->{origin_x} = $exit->x;
1866 $rmp->{origin_y} = $exit->y; 1930 $rmp->{origin_y} = $exit->y;
1867 } 1931 }
1868 1932
1869 $rmp->{random_seed} ||= $exit->random_seed; 1933 $rmp->{random_seed} ||= $exit->random_seed;
1870 1934
1871 my $data = cf::to_json $rmp; 1935 my $data = cf::to_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 1936 my $md5 = Digest::MD5::md5_hex $data;
1937 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873 1938
1874 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) {
1875 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;
1876 1943
1877 $exit->slaying ("?random/$md5"); 1944 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 1945 $exit->msg (undef);
1879 } 1946 }
1880} 1947}
1881 1948
1882sub cf::object::player::enter_exit { 1949sub cf::object::player::enter_exit {
1883 my ($self, $exit) = @_; 1950 my ($self, $exit) = @_;
1884 1951
1885 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;
1886 1962
1887 $self->enter_link; 1963 $self->enter_link;
1888 1964
1889 (async { 1965 (async {
1890 $self->deactivate_recursive; # just to be sure 1966 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 1967 unless (eval {
1892 prepare_random_map $exit 1968 $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 1969
1898 1; 1970 1;
1899 }) { 1971 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 1972 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "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. "
1902 . "Please report this to the dungeon master", 1974 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 1975 cf::NDI_UNIQUE | cf::NDI_RED);
1904 1976
1905 warn "ERROR in enter_exit: $@"; 1977 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 1978 $self->leave_link;
1907 } 1979 }
… …
1962 # get handled first 2034 # get handled first
1963 my $queue = delete $ns->{query_queue} 2035 my $queue = delete $ns->{query_queue}
1964 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
1965 2037
1966 (shift @$queue)->[1]->($msg); 2038 (shift @$queue)->[1]->($msg);
2039 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967 2040
1968 push @{ $ns->{query_queue} }, @$queue; 2041 push @{ $ns->{query_queue} }, @$queue;
1969 2042
1970 if (@{ $ns->{query_queue} } == @$queue) { 2043 if (@{ $ns->{query_queue} } == @$queue) {
1971 if (@$queue) { 2044 if (@$queue) {
… …
2132The 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
2133using it, it should be unique. 2206using it, it should be unique.
2134 2207
2135=over 4 2208=over 4
2136 2209
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 2210=item $value = cf::db_get $family => $key
2144 2211
2145Returns a single value from the database 2212Returns 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 2213
2152=item cf::db_put $family => $key => $value 2214=item cf::db_put $family => $key => $value
2153 2215
2154Stores the given C<$value> in the family hash. Updates are delayed, if you 2216Stores 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 2217
2165=cut 2218=cut
2166 2219
2167our $DB; 2220our $DB;
2168 2221
2169{ 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
2170 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;
2171 2241
2172 sub db_load() { 2242 cf::db_put (board => data => $pst->{board});
2173 $DB = stat $path ? Storable::retrieve $path : { }; 2243 cf::db_put (guildrules => data => $pst->{guildrules});
2174 } 2244 cf::db_put (rent => balance => $pst->{rent}{balance});
2245 BDB::db_env_txn_checkpoint $DB_ENV;
2175 2246
2176 my $pid; 2247 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 } 2248 };
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 }, 2249 }
2224 ); 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 { };
2225} 2267}
2226 2268
2227############################################################################# 2269#############################################################################
2228# 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}
2229 2305
2230sub cfg_load { 2306sub cfg_load {
2231 open my $fh, "<:utf8", cf::confdir . "/config" 2307 open my $fh, "<:utf8", cf::confdir . "/config"
2232 or return; 2308 or return;
2233 2309
… …
2250 2326
2251sub main { 2327sub main {
2252 # we must not ever block the main coroutine 2328 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 2329 local $Coro::idle = sub {
2254 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 {
2255 async { Event::one_event }; 2332 Event::one_event;
2333 })->prio (Coro::PRIO_MAX);
2256 }; 2334 };
2257 2335
2258 cfg_load; 2336 cfg_load;
2259 db_load; 2337 db_init;
2260 load_extensions; 2338 load_extensions;
2339
2340 $TICK_WATCHER->start;
2261 Event::loop; 2341 Event::loop;
2262} 2342}
2263 2343
2264############################################################################# 2344#############################################################################
2265# initialisation and cleanup 2345# initialisation and cleanup
2266 2346
2267# install some emergency cleanup handlers 2347# install some emergency cleanup handlers
2268BEGIN { 2348BEGIN {
2269 for my $signal (qw(INT HUP TERM)) { 2349 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 2350 Event->signal (
2351 reentrant => 0,
2271 data => WF_AUTOCANCEL, 2352 data => WF_AUTOCANCEL,
2272 signal => $signal, 2353 signal => $signal,
2354 prio => 0,
2273 cb => sub { 2355 cb => sub {
2274 cf::cleanup "SIG$signal"; 2356 cf::cleanup "SIG$signal";
2275 }, 2357 },
2276 ); 2358 );
2277 } 2359 }
2278} 2360}
… …
2283 warn "enter emergency perl save\n"; 2365 warn "enter emergency perl save\n";
2284 2366
2285 cf::sync_job { 2367 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 2368 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 2369 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 2370 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 2371 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 2372 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 2373 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 2374 $pl->valid or next;
2293 $pl->save; 2375 $pl->save;
… …
2299 my $map = $cf::MAP{$path} or next; 2381 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 2382 $map->valid or next;
2301 $map->save; 2383 $map->save;
2302 } 2384 }
2303 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 $DB_ENV;
2389 warn "end emergency database checkpoint\n";
2304 }; 2390 };
2305 2391
2306 warn "leave emergency perl save\n"; 2392 warn "leave emergency perl save\n";
2393}
2394
2395sub post_cleanup {
2396 my ($make_core) = @_;
2397
2398 warn Carp::longmess "post_cleanup backtrace"
2399 if $make_core;
2307} 2400}
2308 2401
2309sub reload() { 2402sub reload() {
2310 # can/must only be called in main 2403 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 2404 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 2405 warn "can only reload from main coroutine";
2313 return; 2406 return;
2314 } 2407 }
2315 2408
2316 warn "reloading..."; 2409 warn "reloading...";
2317 2410
2318 my $guard = freeze_mainloop; 2411 warn "entering sync_job";
2412
2413 cf::sync_job {
2414 cf::write_runtime; # external watchdog should not bark
2319 cf::emergency_save; 2415 cf::emergency_save;
2416 cf::write_runtime; # external watchdog should not bark
2320 2417
2321 eval { 2418 warn "syncing database to disk";
2419 BDB::db_env_txn_checkpoint $DB_ENV;
2420
2322 # 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
2323 2422
2324 # cancel all watchers 2423 warn "cancelling all WF_AUTOCANCEL watchers";
2325 for (Event::all_watchers) { 2424 for (Event::all_watchers) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 2425 $_->cancel if $_->data & WF_AUTOCANCEL;
2327 } 2426 }
2328 2427
2428 warn "flushing outstanding aio requests";
2429 for (;;) {
2430 BDB::flush;
2431 IO::AIO::flush;
2432 Coro::cede;
2433 last unless IO::AIO::nreqs || BDB::nreqs;
2434 warn "iterate...";
2435 }
2436
2437 ++$RELOAD;
2438
2329 # cancel all extension coros 2439 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 2440 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 2441 %EXT_CORO = ();
2332 2442
2333 # unload all extensions 2443 warn "removing commands";
2334 for (@exts) { 2444 %COMMAND = ();
2445
2446 warn "removing ext commands";
2447 %EXTCMD = ();
2448
2449 warn "unloading/nuking all extensions";
2450 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 2451 warn "... unloading $pkg";
2336 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: $@";
2337 } 2458 }
2338 2459
2460 warn "... nuking $pkg";
2461 Symbol::delete_package $pkg;
2462 }
2463
2339 # unload all modules loaded from $LIBDIR 2464 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 2465 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2466 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 2467
2343 warn "removing <$k>"; 2468 warn "... unloading $k";
2344 delete $INC{$k}; 2469 delete $INC{$k};
2345 2470
2346 $k =~ s/\.pm$//; 2471 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 2472 $k =~ s/\//::/g;
2348 2473
… …
2351 } 2476 }
2352 2477
2353 Symbol::delete_package $k; 2478 Symbol::delete_package $k;
2354 } 2479 }
2355 2480
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 2481 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 2482 Symbol::delete_package "safe::$_"
2362 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);
2363 2484
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 2485 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 2486 delete $INC{"cf.pm"};
2369 2487
2370 # don't, removes xs symbols, too, 2488 # don't, removes xs symbols, too,
2371 # and global variables created in xs 2489 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 2490 #Symbol::delete_package __PACKAGE__;
2373 2491
2374 # reload cf.pm 2492 warn "unload completed, starting to reload now";
2493
2375 warn "reloading cf.pm"; 2494 warn "reloading cf.pm";
2376 require cf; 2495 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2496 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 2497
2379 # load config and database again 2498 warn "loading config and database again";
2380 cf::cfg_load; 2499 cf::cfg_load;
2381 cf::db_load;
2382 2500
2383 # load extensions
2384 warn "load extensions"; 2501 warn "loading extensions";
2385 cf::load_extensions; 2502 cf::load_extensions;
2386 2503
2387 # reattach attachments to objects 2504 warn "reattaching attachments to objects/players";
2388 warn "reattach"; 2505 _global_reattach; # objects, sockets
2389 _global_reattach; 2506 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 2507 reattach $_ for values %MAP;
2391 }; 2508 warn "reattaching attachments to players";
2509 reattach $_ for values %PLAYER;
2392 2510
2393 if ($@) { 2511 warn "loading reloadable resources";
2512 reload_resources;
2513
2514 warn "leaving sync_job";
2515
2516 1
2517 } or do {
2394 warn $@; 2518 warn $@;
2395 warn "error while reloading, exiting."; 2519 warn "error while reloading, exiting.";
2396 exit 1; 2520 exit 1;
2397 } 2521 };
2398 2522
2399 warn "reloaded successfully"; 2523 warn "reloaded";
2400}; 2524};
2401 2525
2402############################################################################# 2526our $RELOAD_WATCHER; # used only during reload
2403
2404unless ($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} = $LINK_MAP;
2443}
2444
2445register "<global>", __PACKAGE__;
2446 2527
2447register_command "reload" => sub { 2528register_command "reload" => sub {
2448 my ($who, $arg) = @_; 2529 my ($who, $arg) = @_;
2449 2530
2450 if ($who->flag (FLAG_WIZ)) { 2531 if ($who->flag (FLAG_WIZ)) {
2451 $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 {
2452 reload; 2542 reload;
2453 $who->message ("end of reload."); 2543 undef $RELOAD_WATCHER;
2544 },
2545 );
2454 } 2546 }
2455}; 2547};
2456 2548
2457unshift @INC, $LIBDIR; 2549unshift @INC, $LIBDIR;
2550
2551my $bug_warning = 0;
2458 2552
2459$TICK_WATCHER = Event->timer ( 2553$TICK_WATCHER = Event->timer (
2460 reentrant => 0, 2554 reentrant => 0,
2555 parked => 1,
2461 prio => 0, 2556 prio => 0,
2462 at => $NEXT_TICK || $TICK, 2557 at => $NEXT_TICK || $TICK,
2463 data => WF_AUTOCANCEL, 2558 data => WF_AUTOCANCEL,
2464 cb => sub { 2559 cb => sub {
2560 if ($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
2465 cf::server_tick; # one server iteration 2568 cf::server_tick; # one server iteration
2466 $RUNTIME += $TICK; 2569 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 2570 $NEXT_TICK += $TICK;
2468 2571
2572 if ($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
2469 $WAIT_FOR_TICK->broadcast; 2580 $WAIT_FOR_TICK->broadcast;
2470 $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#
2471 2585
2472 # 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
2473 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2587 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474 2588
2475 $TICK_WATCHER->at ($NEXT_TICK); 2589 $TICK_WATCHER->at ($NEXT_TICK);
2476 $TICK_WATCHER->start; 2590 $TICK_WATCHER->start;
2477 }, 2591 },
2478); 2592);
2479 2593
2594{
2480IO::AIO::max_poll_time $TICK * 0.2; 2595 BDB::max_poll_time $TICK * 0.1;
2481 2596 $BDB_POLL_WATCHER = Event->io (
2482Event->io ( 2597 reentrant => 0,
2483 fd => IO::AIO::poll_fileno, 2598 fd => BDB::poll_fileno,
2484 poll => 'r', 2599 poll => 'r',
2485 prio => 5, 2600 prio => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb,
2488);
2489
2490Event->timer (
2491 data => WF_AUTOCANCEL, 2601 data => WF_AUTOCANCEL,
2492 after => 0, 2602 cb => \&BDB::poll_cb,
2493 interval => 10, 2603 );
2494 cb => sub { 2604 BDB::min_parallel 8;
2495 (Coro::unblock_sub { 2605
2496 write_runtime 2606 BDB::set_sync_prepare {
2497 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 $@;
2498 })->(); 2640 };
2499 }, 2641 }
2500); 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}
2501 2658
2502END { cf::emergency_save } 2659END { cf::emergency_save }
2503 2660
25041 26611
2505 2662

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