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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.239 by root, Mon Apr 16 06:23:42 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
21use Coro::Storable;
19 22
23use BDB ();
20use Data::Dumper; 24use Data::Dumper;
21use Digest::MD5; 25use Digest::MD5;
22use Fcntl; 26use Fcntl;
27use YAML::Syck ();
23use IO::AIO 2.32 (); 28use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 29use Time::HiRes;
30use Compress::LZF;
26 31
32# configure various modules to our taste
33#
34$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 38$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 39
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 41$YAML::Syck::ImplicitUnicode = 1;
33 42
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44
45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35 46
36our %COMMAND = (); 47our %COMMAND = ();
37our %COMMAND_TIME = (); 48our %COMMAND_TIME = ();
38 49
39our @EXTS = (); # list of extension package names 50our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 51our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 52our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps
42 54
55our $RELOAD; # number of reloads so far
43our @EVENT; 56our @EVENT;
44our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
45 58
46our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6;
47our $TICK_WATCHER; 60our $TICK_WATCHER;
61our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48our $NEXT_TICK; 63our $NEXT_TICK;
49our $NOW; 64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off
66
67our $BDB_POLL_WATCHER;
68our $DB_ENV;
50 69
51our %CFG; 70our %CFG;
52 71
53our $UPTIME; $UPTIME ||= time; 72our $UPTIME; $UPTIME ||= time;
54our $RUNTIME; 73our $RUNTIME;
55 74
56our %PLAYER; # all users 75our %PLAYER; # all users
57our %MAP; # all maps 76our %MAP; # all maps
58our $LINK_MAP; # the special {link} map 77our $LINK_MAP; # the special {link} map, which is always available
59our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
60 80
61our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 81# used to convert map paths into valid unix filenames by replacing / by ∕
62our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
63 83
64binmode STDOUT; 84binmode STDOUT;
65binmode STDERR; 85binmode STDERR;
66 86
67# read virtual server time, if available 87# read virtual server time, if available
74mkdir cf::localdir; 94mkdir cf::localdir;
75mkdir cf::localdir . "/" . cf::playerdir; 95mkdir cf::localdir . "/" . cf::playerdir;
76mkdir cf::localdir . "/" . cf::tmpdir; 96mkdir cf::localdir . "/" . cf::tmpdir;
77mkdir cf::localdir . "/" . cf::uniquedir; 97mkdir cf::localdir . "/" . cf::uniquedir;
78mkdir $RANDOM_MAPS; 98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
79 100
80# a special map that is always available
81our $LINK_MAP;
82our $EMERGENCY_POSITION; 101our $EMERGENCY_POSITION;
102
103sub cf::map::normalise;
83 104
84############################################################################# 105#############################################################################
85 106
86=head2 GLOBAL VARIABLES 107=head2 GLOBAL VARIABLES
87 108
112=item %cf::CFG 133=item %cf::CFG
113 134
114Configuration for the server, loaded from C</etc/crossfire/config>, or 135Configuration for the server, loaded from C</etc/crossfire/config>, or
115from wherever your confdir points to. 136from wherever your confdir points to.
116 137
117=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 138=item cf::wait_for_tick, cf::wait_for_tick_begin
118 139
119These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 141returns directly I<after> the tick processing (and consequently, can only wake one process
121processing has been done. Call C<< ->wait >> on them to maximise the 142per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122window of cpu time available, or simply to synchronise to the server tick.
123 143
124=back 144=back
125 145
126=cut 146=cut
127 147
186 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 206 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187 $d 207 $d
188 } || "[unable to dump $_[0]: '$@']"; 208 } || "[unable to dump $_[0]: '$@']";
189} 209}
190 210
191use JSON::Syck (); # TODO# replace by JSON::PC once working 211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
192 212
193=item $ref = cf::from_json $json 213=item $ref = cf::from_json $json
194 214
195Converts a JSON string into the corresponding perl data structure. 215Converts a JSON string into the corresponding perl data structure.
196 216
197=cut
198
199sub from_json($) {
200 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201 JSON::Syck::Load $_[0]
202}
203
204=item $json = cf::to_json $ref 217=item $json = cf::to_json $ref
205 218
206Converts a perl data structure into its JSON representation. 219Converts a perl data structure into its JSON representation.
207
208=cut
209
210sub to_json($) {
211 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212 JSON::Syck::Dump $_[0]
213}
214 220
215=item cf::lock_wait $string 221=item cf::lock_wait $string
216 222
217Wait until the given lock is available. See cf::lock_acquire. 223Wait until the given lock is available. See cf::lock_acquire.
218 224
255} 261}
256 262
257sub freeze_mainloop { 263sub freeze_mainloop {
258 return unless $TICK_WATCHER->is_active; 264 return unless $TICK_WATCHER->is_active;
259 265
260 my $guard = Coro::guard { $TICK_WATCHER->start }; 266 my $guard = Coro::guard {
267 $TICK_WATCHER->start;
268 };
261 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
262 $guard 270 $guard
263} 271}
264 272
265=item cf::async { BLOCK } 273=item cf::async { BLOCK }
336 344
337 $coro 345 $coro
338} 346}
339 347
340sub write_runtime { 348sub write_runtime {
349 my $guard = cf::lock_acquire "write_runtime";
350
341 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
342 352
343 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344 or return; 354 or return;
345 355
356 my $value = $cf::RUNTIME + 90 + 10;
346 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359
347 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
348 and return; 361 and return;
349 362
363 # always fsync - this file is important
350 aio_fsync $fh 364 aio_fsync $fh
351 and return; 365 and return;
352 366
353 close $fh 367 close $fh
354 or return; 368 or return;
357 and return; 371 and return;
358 372
359 1 373 1
360} 374}
361 375
376=item cf::datalog type => key => value, ...
377
378Log a datalog packet of the given type with the given key-value pairs.
379
380=cut
381
382sub datalog($@) {
383 my ($type, %kv) = @_;
384 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385}
386
362=back 387=back
363 388
364=cut 389=cut
365
366#############################################################################
367
368package cf::path;
369
370use overload
371 '""' => \&as_string;
372
373# used to convert map paths into valid unix filenames by repalcing / by ∕
374our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376sub new {
377 my ($class, $path, $base) = @_;
378
379 $path = $path->as_string if ref $path;
380
381 my $self = bless { }, $class;
382
383 # {... are special paths that are not touched
384 # ?xxx/... are special absolute paths
385 # ?random/... random maps
386 # /! non-realised random map exit
387 # /... normal maps
388 # ~/... per-player maps without a specific player (DO NOT USE)
389 # ~user/... per-player map of a specific user
390
391 $path =~ s/$PATH_SEP/\//go;
392
393 if ($path =~ /^{/) {
394 # fine as it is
395 } elsif ($path =~ s{^\?random/}{}) {
396 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397 $self->{random} = cf::from_json $data;
398 } else {
399 if ($path =~ s{^~([^/]+)?}{}) {
400 $self->{user_rel} = 1;
401
402 if (defined $1) {
403 $self->{user} = $1;
404 } elsif ($base =~ m{^~([^/]+)/}) {
405 $self->{user} = $1;
406 } else {
407 warn "cannot resolve user-relative path without user <$path,$base>\n";
408 }
409 } elsif ($path =~ /^\//) {
410 # already absolute
411 } else {
412 $base =~ s{[^/]+/?$}{};
413 return $class->new ("$base/$path");
414 }
415
416 for ($path) {
417 redo if s{/\.?/}{/};
418 redo if s{/[^/]+/\.\./}{/};
419 }
420 }
421
422 $self->{path} = $path;
423
424 $self
425}
426
427# the name / primary key / in-game path
428sub as_string {
429 my ($self) = @_;
430
431 $self->{user_rel} ? "~$self->{user}$self->{path}"
432 : $self->{random} ? "?random/$self->{path}"
433 : $self->{path}
434}
435
436# the displayed name, this is a one way mapping
437sub visible_name {
438 my ($self) = @_;
439
440# if (my $rmp = $self->{random}) {
441# # todo: be more intelligent about this
442# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443# } else {
444 $self->as_string
445# }
446}
447
448# escape the /'s in the path
449sub _escaped_path {
450 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451 $path
452}
453
454# the original (read-only) location
455sub load_path {
456 my ($self) = @_;
457
458 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459}
460
461# the temporary/swap location
462sub save_path {
463 my ($self) = @_;
464
465 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468}
469
470# the unique path, might be eq to save_path
471sub uniq_path {
472 my ($self) = @_;
473
474 $self->{user_rel} || $self->{random}
475 ? undef
476 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477}
478
479# return random map parameters, or undef
480sub random_map_params {
481 my ($self) = @_;
482
483 $self->{random}
484}
485
486# this is somewhat ugly, but style maps do need special treatment
487sub is_style_map {
488 $_[0]{path} =~ m{^/styles/}
489}
490
491package cf;
492 390
493############################################################################# 391#############################################################################
494 392
495=head2 ATTACHABLE OBJECTS 393=head2 ATTACHABLE OBJECTS
496 394
622our @CB_TYPE = (); # registry for type (cf-object class) based events 520our @CB_TYPE = (); # registry for type (cf-object class) based events
623our @CB_MAP = (); 521our @CB_MAP = ();
624 522
625my %attachment; 523my %attachment;
626 524
525sub cf::attachable::thawer_merge {
526 # simply override everything except _meta
527 local $_[0]{_meta};
528 %{$_[0]} = %{$_[1]};
529}
530
627sub _attach_cb($$$$) { 531sub _attach_cb($$$$) {
628 my ($registry, $event, $prio, $cb) = @_; 532 my ($registry, $event, $prio, $cb) = @_;
629 533
630 use sort 'stable'; 534 use sort 'stable';
631 535
802# object support 706# object support
803 707
804sub reattach { 708sub reattach {
805 # basically do the same as instantiate, without calling instantiate 709 # basically do the same as instantiate, without calling instantiate
806 my ($obj) = @_; 710 my ($obj) = @_;
711
712 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807 713
808 my $registry = $obj->registry; 714 my $registry = $obj->registry;
809 715
810 @$registry = (); 716 @$registry = ();
811 717
858 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
859 765
860 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
862 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
864 close $fh; 770 close $fh;
865 771
866 if (@$objs) { 772 if (@$objs) {
867 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) {
868 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
869 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
870 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
871 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
872 close $fh; 778 close $fh;
873 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
874 } 780 }
875 } else { 781 } else {
876 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
987 my $base = $1; 893 my $base = $1;
988 my $pkg = $1; 894 my $pkg = $1;
989 $pkg =~ s/[^[:word:]]/_/g; 895 $pkg =~ s/[^[:word:]]/_/g;
990 $pkg = "ext::$pkg"; 896 $pkg = "ext::$pkg";
991 897
992 warn "loading '$path' into '$pkg'\n"; 898 warn "... loading '$path' into '$pkg'\n";
993 899
994 open my $fh, "<:utf8", $path 900 open my $fh, "<:utf8", $path
995 or die "$path: $!"; 901 or die "$path: $!";
996 902
997 my $source = 903 my $source =
998 "package $pkg; use strict; use utf8;\n" 904 "package $pkg; use strict; use utf8;\n"
999 . "#line 1 \"$path\"\n{\n" 905 . "#line 1 \"$path\"\n{\n"
1000 . (do { local $/; <$fh> }) 906 . (do { local $/; <$fh> })
1001 . "\n};\n1"; 907 . "\n};\n1";
1002 908
1003 eval $source 909 unless (eval $source) {
1004 or die $@ ? "$path: $@\n" 910 my $msg = $@ ? "$path: $@\n"
1005 : "extension disabled.\n"; 911 : "extension disabled.\n";
912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913 warn $@;
914 warn "mandatory extension failed to load, exiting.\n";
915 exit 1;
916 }
917 die $@;
918 }
1006 919
1007 push @EXTS, $pkg; 920 push @EXTS, $pkg;
1008} 921}
1009 922
1010sub load_extensions { 923sub load_extensions {
1016 } or warn "$ext not loaded: $@"; 929 } or warn "$ext not loaded: $@";
1017 } 930 }
1018} 931}
1019 932
1020############################################################################# 933#############################################################################
1021# load/save/clean perl data associated with a map
1022
1023*cf::mapsupport::on_clean = sub {
1024 my ($map) = @_;
1025
1026 my $path = $map->tmpname;
1027 defined $path or return;
1028
1029 unlink "$path.pst";
1030};
1031
1032cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034#############################################################################
1035 934
1036=head2 CORE EXTENSIONS 935=head2 CORE EXTENSIONS
1037 936
1038Functions and methods that extend core crossfire objects. 937Functions and methods that extend core crossfire objects.
1039 938
1062} 961}
1063 962
1064sub path($) { 963sub path($) {
1065 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066 965
1067 (playerdir $login) . "/$login.pl" 966 (playerdir $login) . "/playerdata"
1068} 967}
1069 968
1070sub find_active($) { 969sub find_active($) {
1071 $cf::PLAYER{$_[0]} 970 $cf::PLAYER{$_[0]}
1072 and $cf::PLAYER{$_[0]}->active 971 and $cf::PLAYER{$_[0]}->active
1075 974
1076sub exists($) { 975sub exists($) {
1077 my ($login) = @_; 976 my ($login) = @_;
1078 977
1079 $cf::PLAYER{$login} 978 $cf::PLAYER{$login}
1080 or cf::sync_job { !aio_stat $login } 979 or cf::sync_job { !aio_stat path $login }
1081} 980}
1082 981
1083sub find($) { 982sub find($) {
1084 return $cf::PLAYER{$_[0]} || do { 983 return $cf::PLAYER{$_[0]} || do {
1085 my $login = $_[0]; 984 my $login = $_[0];
1086 985
1087 my $guard = cf::lock_acquire "user_find:$login"; 986 my $guard = cf::lock_acquire "user_find:$login";
1088 987
1089 $cf::PLAYER{$_[0]} || do { 988 $cf::PLAYER{$_[0]} || do {
989 # rename old playerfiles to new ones
990 #TODO: remove when no longer required
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl";
995
1090 my $pl = load_pl path $login 996 my $pl = load_pl path $login
1091 or return; 997 or return;
1092 $cf::PLAYER{$login} = $pl 998 $cf::PLAYER{$login} = $pl
1093 } 999 }
1094 } 1000 }
1131 1037
1132=cut 1038=cut
1133 1039
1134sub quit_character { 1040sub quit_character {
1135 my ($pl) = @_; 1041 my ($pl) = @_;
1042
1043 my $name = $pl->ob->name;
1136 1044
1137 $pl->{deny_save} = 1; 1045 $pl->{deny_save} = 1;
1138 $pl->password ("*"); # this should lock out the player until we nuked the dir 1046 $pl->password ("*"); # this should lock out the player until we nuked the dir
1139 1047
1140 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1145 my $path = playerdir $pl; 1053 my $path = playerdir $pl;
1146 my $temp = "$path~$cf::RUNTIME~deleting~"; 1054 my $temp = "$path~$cf::RUNTIME~deleting~";
1147 aio_rename $path, $temp; 1055 aio_rename $path, $temp;
1148 delete $cf::PLAYER{$pl->ob->name}; 1056 delete $cf::PLAYER{$pl->ob->name};
1149 $pl->destroy; 1057 $pl->destroy;
1058
1059 my $prefix = qr<^~\Q$name\E/>;
1060
1061 # nuke player maps
1062 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1063
1150 IO::AIO::aio_rmtree $temp; 1064 IO::AIO::aio_rmtree $temp;
1065}
1066
1067=item $pl->kick
1068
1069Kicks a player out of the game. This destroys the connection.
1070
1071=cut
1072
1073sub kick {
1074 my ($pl, $kicker) = @_;
1075
1076 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1077 $pl->killer ("kicked");
1078 $pl->ns->destroy;
1151} 1079}
1152 1080
1153=item cf::player::list_logins 1081=item cf::player::list_logins
1154 1082
1155Returns am arrayref of all valid playernames in the system, can take a 1083Returns am arrayref of all valid playernames in the system, can take a
1175 \@logins 1103 \@logins
1176} 1104}
1177 1105
1178=item $player->maps 1106=item $player->maps
1179 1107
1180Returns an arrayref of cf::path's of all maps that are private for this 1108Returns an arrayref of map paths that are private for this
1181player. May block. 1109player. May block.
1182 1110
1183=cut 1111=cut
1184 1112
1185sub maps($) { 1113sub maps($) {
1186 my ($pl) = @_; 1114 my ($pl) = @_;
1115
1116 $pl = ref $pl ? $pl->ob->name : $pl;
1187 1117
1188 my $files = aio_readdir playerdir $pl 1118 my $files = aio_readdir playerdir $pl
1189 or return; 1119 or return;
1190 1120
1191 my @paths; 1121 my @paths;
1193 for (@$files) { 1123 for (@$files) {
1194 utf8::decode $_; 1124 utf8::decode $_;
1195 next if /\.(?:pl|pst)$/; 1125 next if /\.(?:pl|pst)$/;
1196 next unless /^$PATH_SEP/o; 1126 next unless /^$PATH_SEP/o;
1197 1127
1198 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1128 push @paths, cf::map::normalise "~$pl/$_";
1199 } 1129 }
1200 1130
1201 \@paths 1131 \@paths
1202} 1132}
1203 1133
1204=item $player->ext_reply ($msgid, $msgtype, %msg) 1134=item $player->ext_reply ($msgid, %msg)
1205 1135
1206Sends an ext reply to the player. 1136Sends an ext reply to the player.
1207 1137
1208=cut 1138=cut
1209 1139
1210sub ext_reply($$$%) { 1140sub ext_reply($$%) {
1211 my ($self, $id, %msg) = @_; 1141 my ($self, $id, %msg) = @_;
1212 1142
1213 $msg{msgid} = $id; 1143 $msg{msgid} = $id;
1214 1144
1215 $self->send ("ext " . cf::to_json \%msg); 1145 $self->send ("ext " . cf::to_json \%msg);
1216} 1146}
1217 1147
1218package cf; 1148=item $player->ext_event ($type, %msg)
1149
1150Sends an ext event to the client.
1151
1152=cut
1153
1154sub ext_event($$%) {
1155 my ($self, $type, %msg) = @_;
1156
1157 $self->ns->ext_event ($type, %msg);
1158}
1159
1160=head3 cf::region
1161
1162=over 4
1163
1164=cut
1165
1166package cf::region;
1167
1168=item cf::region::find_by_path $path
1169
1170Tries to decuce the probable region for a map knowing only its path.
1171
1172=cut
1173
1174sub find_by_path($) {
1175 my ($path) = @_;
1176
1177 my ($match, $specificity);
1178
1179 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) {
1181 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity;
1183 }
1184 }
1185
1186 $match
1187}
1219 1188
1220=back 1189=back
1221
1222 1190
1223=head3 cf::map 1191=head3 cf::map
1224 1192
1225=over 4 1193=over 4
1226 1194
1229package cf::map; 1197package cf::map;
1230 1198
1231use Fcntl; 1199use Fcntl;
1232use Coro::AIO; 1200use Coro::AIO;
1233 1201
1202use overload
1203 '""' => \&as_string,
1204 fallback => 1;
1205
1234our $MAX_RESET = 3600; 1206our $MAX_RESET = 3600;
1235our $DEFAULT_RESET = 3000; 1207our $DEFAULT_RESET = 3000;
1236 1208
1237sub generate_random_map { 1209sub generate_random_map {
1238 my ($path, $rmp) = @_; 1210 my ($self, $rmp) = @_;
1239
1240 # mit "rum" bekleckern, nicht 1211 # mit "rum" bekleckern, nicht
1241 cf::map::_create_random_map 1212 $self->_create_random_map (
1242 $path,
1243 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1213 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1214 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1215 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246 $rmp->{exit_on_final_map}, 1216 $rmp->{exit_on_final_map},
1247 $rmp->{xsize}, $rmp->{ysize}, 1217 $rmp->{xsize}, $rmp->{ysize},
1248 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1218 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1219 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1220 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1221 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1222 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253 (cf::region::find $rmp->{region}) 1223 (cf::region::find $rmp->{region}), $rmp->{custom}
1224 )
1225}
1226
1227=item cf::map->register ($regex, $prio)
1228
1229Register a handler for the map path matching the given regex at the
1230givne priority (higher is better, built-in handlers have priority 0, the
1231default).
1232
1233=cut
1234
1235sub register {
1236 my (undef, $regex, $prio) = @_;
1237 my $pkg = caller;
1238
1239 no strict;
1240 push @{"$pkg\::ISA"}, __PACKAGE__;
1241
1242 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243}
1244
1245# also paths starting with '/'
1246$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1247
1248sub thawer_merge {
1249 my ($self, $merge) = @_;
1250
1251 # we have to keep some variables in memory intact
1252 local $self->{path};
1253 local $self->{load_path};
1254 local $self->{deny_save};
1255 local $self->{deny_reset};
1256
1257 $self->SUPER::thawer_merge ($merge);
1258}
1259
1260sub normalise {
1261 my ($path, $base) = @_;
1262
1263 $path = "$path"; # make sure its a string
1264
1265 $path =~ s/\.map$//;
1266
1267 # map plan:
1268 #
1269 # /! non-realised random map exit (special hack!)
1270 # {... are special paths that are not being touched
1271 # ?xxx/... are special absolute paths
1272 # ?random/... random maps
1273 # /... normal maps
1274 # ~user/... per-player map of a specific user
1275
1276 $path =~ s/$PATH_SEP/\//go;
1277
1278 # treat it as relative path if it starts with
1279 # something that looks reasonable
1280 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1281 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1282
1283 $base =~ s{[^/]+/?$}{};
1284 $path = "$base/$path";
1285 }
1286
1287 for ($path) {
1288 redo if s{//}{/};
1289 redo if s{/\.?/}{/};
1290 redo if s{/[^/]+/\.\./}{/};
1291 }
1292
1293 $path
1294}
1295
1296sub new_from_path {
1297 my (undef, $path, $base) = @_;
1298
1299 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1300
1301 $path = normalise $path, $base;
1302
1303 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1304 if ($path =~ $EXT_MAP{$pkg}[1]) {
1305 my $self = bless cf::map::new, $pkg;
1306 $self->{path} = $path; $self->path ($path);
1307 $self->init; # pass $1 etc.
1308 return $self;
1309 }
1310 }
1311
1312 Carp::carp "unable to resolve path '$path' (base '$base').";
1313 ()
1314}
1315
1316sub init {
1317 my ($self) = @_;
1318
1319 $self
1320}
1321
1322sub as_string {
1323 my ($self) = @_;
1324
1325 "$self->{path}"
1326}
1327
1328# the displayed name, this is a one way mapping
1329sub visible_name {
1330 &as_string
1331}
1332
1333# the original (read-only) location
1334sub load_path {
1335 my ($self) = @_;
1336
1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1338}
1339
1340# the temporary/swap location
1341sub save_path {
1342 my ($self) = @_;
1343
1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1346}
1347
1348# the unique path, undef == no special unique path
1349sub uniq_path {
1350 my ($self) = @_;
1351
1352 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1254} 1354}
1255 1355
1256# and all this just because we cannot iterate over 1356# and all this just because we cannot iterate over
1257# all maps in C++... 1357# all maps in C++...
1258sub change_all_map_light { 1358sub change_all_map_light {
1260 1360
1261 $_->change_map_light ($change) 1361 $_->change_map_light ($change)
1262 for grep $_->outdoor, values %cf::MAP; 1362 for grep $_->outdoor, values %cf::MAP;
1263} 1363}
1264 1364
1365sub unlink_save {
1366 my ($self) = @_;
1367
1368 utf8::encode (my $save = $self->save_path);
1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1370 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1371}
1372
1265sub try_load_header($) { 1373sub load_header_from($) {
1266 my ($path) = @_; 1374 my ($self, $path) = @_;
1267 1375
1268 utf8::encode $path; 1376 utf8::encode $path;
1269 aio_open $path, O_RDONLY, 0 1377 #aio_open $path, O_RDONLY, 0
1378 # or return;
1379
1380 $self->_load_header ($path)
1270 or return; 1381 or return;
1271 1382
1272 my $map = cf::map::new 1383 $self->{load_path} = $path;
1384
1385 1
1386}
1387
1388sub load_header_orig {
1389 my ($self) = @_;
1390
1391 $self->load_header_from ($self->load_path)
1392}
1393
1394sub load_header_temp {
1395 my ($self) = @_;
1396
1397 $self->load_header_from ($self->save_path)
1398}
1399
1400sub prepare_temp {
1401 my ($self) = @_;
1402
1403 $self->last_access ((delete $self->{last_access})
1404 || $cf::RUNTIME); #d#
1405 # safety
1406 $self->{instantiate_time} = $cf::RUNTIME
1407 if $self->{instantiate_time} > $cf::RUNTIME;
1408}
1409
1410sub prepare_orig {
1411 my ($self) = @_;
1412
1413 $self->{load_original} = 1;
1414 $self->{instantiate_time} = $cf::RUNTIME;
1415 $self->last_access ($cf::RUNTIME);
1416 $self->instantiate;
1417}
1418
1419sub load_header {
1420 my ($self) = @_;
1421
1422 if ($self->load_header_temp) {
1423 $self->prepare_temp;
1424 } else {
1425 $self->load_header_orig
1273 or return; 1426 or return;
1427 $self->prepare_orig;
1428 }
1274 1429
1275 # for better error messages only, will be overwritten 1430 $self->default_region (cf::region::find_by_path $self->{path})
1276 $map->path ($path); 1431 unless $self->default_region;
1277 1432
1278 $map->load_header ($path) 1433 1
1279 or return;
1280
1281 $map->{load_path} = $path;
1282
1283 $map
1284} 1434}
1285 1435
1286sub find; 1436sub find;
1287sub find { 1437sub find {
1288 my ($path, $origin) = @_; 1438 my ($path, $origin) = @_;
1289 1439
1290 #warn "find<$path,$origin>\n";#d#
1291
1292 $path = new cf::path $path, $origin && $origin->path; 1440 $path = normalise $path, $origin && $origin->path;
1293 my $key = $path->as_string;
1294 1441
1295 cf::lock_wait "map_find:$key"; 1442 cf::lock_wait "map_find:$path";
1296 1443
1297 $cf::MAP{$key} || do { 1444 $cf::MAP{$path} || do {
1298 my $guard = cf::lock_acquire "map_find:$key"; 1445 my $guard = cf::lock_acquire "map_find:$path";
1299 1446 my $map = new_from_path cf::map $path
1300 # do it the slow way
1301 my $map = try_load_header $path->save_path;
1302
1303 Coro::cede;
1304
1305 if ($map) {
1306 $map->last_access ((delete $map->{last_access})
1307 || $cf::RUNTIME); #d#
1308 # safety
1309 $map->{instantiate_time} = $cf::RUNTIME
1310 if $map->{instantiate_time} > $cf::RUNTIME;
1311 } else {
1312 if (my $rmp = $path->random_map_params) {
1313 $map = generate_random_map $key, $rmp;
1314 } else {
1315 $map = try_load_header $path->load_path;
1316 }
1317
1318 $map or return; 1447 or return;
1319 1448
1320 $map->{load_original} = 1;
1321 $map->{instantiate_time} = $cf::RUNTIME;
1322 $map->last_access ($cf::RUNTIME);
1323 $map->instantiate;
1324
1325 # per-player maps become, after loading, normal maps
1326 $map->per_player (0) if $path->{user_rel};
1327 }
1328
1329 $map->path ($key);
1330 $map->{path} = $path;
1331 $map->{last_save} = $cf::RUNTIME; 1449 $map->{last_save} = $cf::RUNTIME;
1332 1450
1333 Coro::cede; 1451 $map->load_header
1452 or return;
1334 1453
1335 if ($map->should_reset) { 1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1455 # doing this can freeze the server in a sync job, obviously
1456 #$cf::WAIT_FOR_TICK->wait;
1336 $map->reset; 1457 $map->reset;
1337 undef $guard; 1458 undef $guard;
1338 $map = find $path 1459 return find $path;
1339 or return;
1340 } 1460 }
1341 1461
1342 $cf::MAP{$key} = $map 1462 $cf::MAP{$path} = $map
1343 } 1463 }
1344} 1464}
1465
1466sub pre_load { }
1467sub post_load { }
1345 1468
1346sub load { 1469sub load {
1347 my ($self) = @_; 1470 my ($self) = @_;
1348 1471
1472 local $self->{deny_reset} = 1; # loading can take a long time
1473
1349 my $path = $self->{path}; 1474 my $path = $self->{path};
1350 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1475 my $guard = cf::lock_acquire "map_load:$path";
1351 1476
1352 return if $self->in_memory != cf::MAP_SWAPPED; 1477 return if $self->in_memory != cf::MAP_SWAPPED;
1353 1478
1354 $self->in_memory (cf::MAP_LOADING); 1479 $self->in_memory (cf::MAP_LOADING);
1355 1480
1356 $self->alloc; 1481 $self->alloc;
1482
1483 $self->pre_load;
1484 Coro::cede;
1485
1357 $self->load_objects ($self->{load_path}, 1) 1486 $self->_load_objects ($self->{load_path}, 1)
1358 or return; 1487 or return;
1359 1488
1360 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361 if delete $self->{load_original}; 1490 if delete $self->{load_original};
1362 1491
1363 if (my $uniq = $path->uniq_path) { 1492 if (my $uniq = $self->uniq_path) {
1364 utf8::encode $uniq; 1493 utf8::encode $uniq;
1365 if (aio_open $uniq, O_RDONLY, 0) { 1494 if (aio_open $uniq, O_RDONLY, 0) {
1366 $self->clear_unique_items; 1495 $self->clear_unique_items;
1367 $self->load_objects ($uniq, 0); 1496 $self->_load_objects ($uniq, 0);
1368 } 1497 }
1369 } 1498 }
1370 1499
1371 Coro::cede; 1500 Coro::cede;
1372
1373 # now do the right thing for maps 1501 # now do the right thing for maps
1374 $self->link_multipart_objects; 1502 $self->link_multipart_objects;
1503 Coro::cede;
1375 1504
1376 if ($self->{path}->is_style_map) { 1505 unless ($self->{deny_activate}) {
1377 $self->{deny_save} = 1; 1506 $self->decay_objects;
1378 $self->{deny_reset} = 1;
1379 } else {
1380 $self->fix_auto_apply; 1507 $self->fix_auto_apply;
1381 $self->decay_objects;
1382 $self->update_buttons; 1508 $self->update_buttons;
1509 Coro::cede;
1383 $self->set_darkness_map; 1510 $self->set_darkness_map;
1384 $self->difficulty ($self->estimate_difficulty) 1511 $self->difficulty ($self->estimate_difficulty)
1385 unless $self->difficulty; 1512 unless $self->difficulty;
1513 Coro::cede;
1386 $self->activate; 1514 $self->activate;
1515 Coro::cede;
1387 } 1516 }
1388 1517
1518 $self->post_load;
1389 Coro::cede; 1519 Coro::cede;
1390 1520
1391 $self->in_memory (cf::MAP_IN_MEMORY); 1521 $self->in_memory (cf::MAP_IN_MEMORY);
1522}
1523
1524sub customise_for {
1525 my ($self, $ob) = @_;
1526
1527 return find "~" . $ob->name . "/" . $self->{path}
1528 if $self->per_player;
1529
1530 $self
1392} 1531}
1393 1532
1394# find and load all maps in the 3x3 area around a map 1533# find and load all maps in the 3x3 area around a map
1395sub load_diag { 1534sub load_diag {
1396 my ($map) = @_; 1535 my ($map) = @_;
1426 1565
1427 cf::sync_job { $map->load }; 1566 cf::sync_job { $map->load };
1428} 1567}
1429 1568
1430our %MAP_PREFETCH; 1569our %MAP_PREFETCH;
1431our $MAP_PREFETCHER = Coro::async { 1570our $MAP_PREFETCHER = undef;
1432 while () {
1433 while (%MAP_PREFETCH) {
1434 my $key = each %MAP_PREFETCH
1435 or next;
1436 my $path = delete $MAP_PREFETCH{$key};
1437
1438 my $map = find $path
1439 or next;
1440 $map->load;
1441 }
1442 Coro::schedule;
1443 }
1444};
1445 1571
1446sub find_async { 1572sub find_async {
1447 my ($path, $origin) = @_; 1573 my ($path, $origin) = @_;
1448 1574
1449 $path = new cf::path $path, $origin && $origin->path; 1575 $path = normalise $path, $origin && $origin->{path};
1450 my $key = $path->as_string;
1451 1576
1452 if (my $map = $cf::MAP{$key}) { 1577 if (my $map = $cf::MAP{$path}) {
1453 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454 } 1579 }
1455 1580
1456 $MAP_PREFETCH{$key} = $path; 1581 undef $MAP_PREFETCH{$path};
1582 $MAP_PREFETCHER ||= cf::async {
1583 while (%MAP_PREFETCH) {
1584 for my $path (keys %MAP_PREFETCH) {
1585 my $map = find $path
1586 or next;
1587 $map->load;
1588
1589 delete $MAP_PREFETCH{$path};
1590 }
1591 }
1592 undef $MAP_PREFETCHER;
1593 };
1457 $MAP_PREFETCHER->ready; 1594 $MAP_PREFETCHER->prio (6);
1458 1595
1459 () 1596 ()
1460} 1597}
1461 1598
1462sub save { 1599sub save {
1466 1603
1467 $self->{last_save} = $cf::RUNTIME; 1604 $self->{last_save} = $cf::RUNTIME;
1468 1605
1469 return unless $self->dirty; 1606 return unless $self->dirty;
1470 1607
1471 my $save = $self->{path}->save_path; utf8::encode $save; 1608 my $save = $self->save_path; utf8::encode $save;
1472 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1609 my $uniq = $self->uniq_path; utf8::encode $uniq;
1473 1610
1474 $self->{load_path} = $save; 1611 $self->{load_path} = $save;
1475 1612
1476 return if $self->{deny_save}; 1613 return if $self->{deny_save};
1477 1614
1480 cf::async { 1617 cf::async {
1481 $_->contr->save for $self->players; 1618 $_->contr->save for $self->players;
1482 }; 1619 };
1483 1620
1484 if ($uniq) { 1621 if ($uniq) {
1485 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1622 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486 $self->save_objects ($uniq, cf::IO_UNIQUES); 1623 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1487 } else { 1624 } else {
1488 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1625 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489 } 1626 }
1490} 1627}
1491 1628
1492sub swap_out { 1629sub swap_out {
1493 my ($self) = @_; 1630 my ($self) = @_;
1507 1644
1508sub reset_at { 1645sub reset_at {
1509 my ($self) = @_; 1646 my ($self) = @_;
1510 1647
1511 # TODO: safety, remove and allow resettable per-player maps 1648 # TODO: safety, remove and allow resettable per-player maps
1512 return 1e99 if $self->{path}{user_rel}; 1649 return 1e99 if $self->isa ("ext::map_per_player");#d#
1513 return 1e99 if $self->{deny_reset}; 1650 return 1e99 if $self->{deny_reset};
1514 1651
1515 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517 1654
1522 my ($self) = @_; 1659 my ($self) = @_;
1523 1660
1524 $self->reset_at <= $cf::RUNTIME 1661 $self->reset_at <= $cf::RUNTIME
1525} 1662}
1526 1663
1527sub unlink_save {
1528 my ($self) = @_;
1529
1530 utf8::encode (my $save = $self->{path}->save_path);
1531 aioreq_pri 3; IO::AIO::aio_unlink $save;
1532 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533}
1534
1535sub rename {
1536 my ($self, $new_path) = @_;
1537
1538 $self->unlink_save;
1539
1540 delete $cf::MAP{$self->path};
1541 $self->{path} = new cf::path $new_path;
1542 $self->path ($self->{path}->as_string);
1543 $cf::MAP{$self->path} = $self;
1544
1545 $self->save;
1546}
1547
1548sub reset { 1664sub reset {
1549 my ($self) = @_; 1665 my ($self) = @_;
1550 1666
1551 my $lock = cf::lock_acquire "map_data:" . $self->path; 1667 my $lock = cf::lock_acquire "map_data:$self->{path}";
1552 1668
1553 return if $self->players; 1669 return if $self->players;
1554 return if $self->{path}{user_rel};#d# 1670 return if $self->isa ("ext::map_per_player");#d#
1555 1671
1556 warn "resetting map ", $self->path;#d# 1672 warn "resetting map ", $self->path;#d#
1557 1673
1674 $self->in_memory (cf::MAP_SWAPPED);
1675
1676 # need to save uniques path
1677 unless ($self->{deny_save}) {
1678 my $uniq = $self->uniq_path; utf8::encode $uniq;
1679
1680 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1681 if $uniq;
1682 }
1683
1558 delete $cf::MAP{$self->path}; 1684 delete $cf::MAP{$self->path};
1685
1686 $self->clear;
1559 1687
1560 $_->clear_links_to ($self) for values %cf::MAP; 1688 $_->clear_links_to ($self) for values %cf::MAP;
1561 1689
1562 $self->unlink_save; 1690 $self->unlink_save;
1563 $self->destroy; 1691 $self->destroy;
1566my $nuke_counter = "aaaa"; 1694my $nuke_counter = "aaaa";
1567 1695
1568sub nuke { 1696sub nuke {
1569 my ($self) = @_; 1697 my ($self) = @_;
1570 1698
1699 delete $cf::MAP{$self->path};
1700
1701 $self->unlink_save;
1702
1703 bless $self, "cf::map";
1704 delete $self->{deny_reset};
1571 $self->{deny_save} = 1; 1705 $self->{deny_save} = 1;
1572 $self->reset_timeout (1); 1706 $self->reset_timeout (1);
1573 $self->rename ("{nuke}/" . ($nuke_counter++)); 1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708
1709 $cf::MAP{$self->path} = $self;
1710
1574 $self->reset; # polite request, might not happen 1711 $self->reset; # polite request, might not happen
1575} 1712}
1576 1713
1577sub customise_for {
1578 my ($map, $ob) = @_;
1579
1580 if ($map->per_player) {
1581 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582 }
1583
1584 $map
1585}
1586
1587=item cf::map::unique_maps 1714=item cf::map::unique_maps
1588 1715
1589Returns an arrayref of cf::path's of all shared maps that have 1716Returns an arrayref of paths of all shared maps that have
1590instantiated unique items. May block. 1717instantiated unique items. May block.
1591 1718
1592=cut 1719=cut
1593 1720
1594sub unique_maps() { 1721sub unique_maps() {
1600 for (@$files) { 1727 for (@$files) {
1601 utf8::decode $_; 1728 utf8::decode $_;
1602 next if /\.pst$/; 1729 next if /\.pst$/;
1603 next unless /^$PATH_SEP/o; 1730 next unless /^$PATH_SEP/o;
1604 1731
1605 push @paths, new cf::path $_; 1732 push @paths, cf::map::normalise $_;
1606 } 1733 }
1607 1734
1608 \@paths 1735 \@paths
1609} 1736}
1610 1737
1685 1812
1686=item $player_object->enter_link 1813=item $player_object->enter_link
1687 1814
1688Freezes the player and moves him/her to a special map (C<{link}>). 1815Freezes the player and moves him/her to a special map (C<{link}>).
1689 1816
1690The player should be reaosnably safe there for short amounts of time. You 1817The player should be reasonably safe there for short amounts of time. You
1691I<MUST> call C<leave_link> as soon as possible, though. 1818I<MUST> call C<leave_link> as soon as possible, though.
1692 1819
1820Will never block.
1821
1693=item $player_object->leave_link ($map, $x, $y) 1822=item $player_object->leave_link ($map, $x, $y)
1694 1823
1695Moves the player out of the specila link map onto the given map. If the 1824Moves the player out of the special C<{link}> map onto the specified
1696map is not valid (or omitted), the player will be moved back to the 1825map. If the map is not valid (or omitted), the player will be moved back
1697location he/she was before the call to C<enter_link>, or, if that fails, 1826to the location he/she was before the call to C<enter_link>, or, if that
1698to the emergency map position. 1827fails, to the emergency map position.
1699 1828
1700Might block. 1829Might block.
1701 1830
1702=cut 1831=cut
1832
1833sub link_map {
1834 unless ($LINK_MAP) {
1835 $LINK_MAP = cf::map::find "{link}"
1836 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1837 $LINK_MAP->load;
1838 }
1839
1840 $LINK_MAP
1841}
1703 1842
1704sub cf::object::player::enter_link { 1843sub cf::object::player::enter_link {
1705 my ($self) = @_; 1844 my ($self) = @_;
1706 1845
1707 $self->deactivate_recursive; 1846 $self->deactivate_recursive;
1708 1847
1709 return if $self->map == $LINK_MAP; 1848 return if UNIVERSAL::isa $self->map, "ext::map_link";
1710 1849
1711 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712 if $self->map; 1851 if $self->map;
1713 1852
1714 $self->enter_map ($LINK_MAP, 20, 20); 1853 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1715} 1854}
1716 1855
1717sub cf::object::player::leave_link { 1856sub cf::object::player::leave_link {
1718 my ($self, $map, $x, $y) = @_; 1857 my ($self, $map, $x, $y) = @_;
1719 1858
1741 $map->load; 1880 $map->load;
1742 $map->load_diag; 1881 $map->load_diag;
1743 1882
1744 return unless $self->contr->active; 1883 return unless $self->contr->active;
1745 $self->activate_recursive; 1884 $self->activate_recursive;
1885
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746 $self->enter_map ($map, $x, $y); 1887 $self->enter_map ($map, $x, $y);
1747} 1888}
1748 1889
1749cf::player->attach ( 1890cf::player->attach (
1750 on_logout => sub { 1891 on_logout => sub {
1763 # try to abort aborted map switching on player login :) 1904 # try to abort aborted map switching on player login :)
1764 # should happen only on crashes 1905 # should happen only on crashes
1765 if ($pl->ob->{_link_pos}) { 1906 if ($pl->ob->{_link_pos}) {
1766 $pl->ob->enter_link; 1907 $pl->ob->enter_link;
1767 (async { 1908 (async {
1768 # we need this sleep as the login has a concurrent enter_exit running
1769 # and this sleep increases chances of the player not ending up in scorn
1770 $pl->ob->reply (undef, 1909 $pl->ob->reply (undef,
1771 "There was an internal problem at your last logout, " 1910 "There was an internal problem at your last logout, "
1772 . "the server will try to bring you to your intended destination in a second.", 1911 . "the server will try to bring you to your intended destination in a second.",
1773 cf::NDI_RED); 1912 cf::NDI_RED);
1913 # we need this sleep as the login has a concurrent enter_exit running
1914 # and this sleep increases chances of the player not ending up in scorn
1774 Coro::Timer::sleep 1; 1915 Coro::Timer::sleep 1;
1775 $pl->ob->leave_link; 1916 $pl->ob->leave_link;
1776 })->prio (2); 1917 })->prio (2);
1777 } 1918 }
1778 }, 1919 },
1783=cut 1924=cut
1784 1925
1785sub cf::object::player::goto { 1926sub cf::object::player::goto {
1786 my ($self, $path, $x, $y) = @_; 1927 my ($self, $path, $x, $y) = @_;
1787 1928
1788 $path = new cf::path $path;
1789
1790 $self->enter_link; 1929 $self->enter_link;
1791 1930
1792 (async { 1931 (async {
1932 my $map = eval {
1793 my $map = cf::map::find $path->as_string; 1933 my $map = cf::map::find $path;
1794 $map = $map->customise_for ($self) if $map; 1934 $map = $map->customise_for ($self) if $map;
1795 1935 $map
1796# warn "entering ", $map->path, " at ($x, $y)\n" 1936 } or
1797# if $map;
1798
1799 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1800 1938
1801 $self->leave_link ($map, $x, $y); 1939 $self->leave_link ($map, $x, $y);
1802 })->prio (1); 1940 })->prio (1);
1803} 1941}
1804 1942
1808 1946
1809sub parse_random_map_params { 1947sub parse_random_map_params {
1810 my ($spec) = @_; 1948 my ($spec) = @_;
1811 1949
1812 my $rmp = { # defaults 1950 my $rmp = { # defaults
1813 xsize => 10, 1951 xsize => (cf::rndm 15, 40),
1814 ysize => 10, 1952 ysize => (cf::rndm 15, 40),
1953 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1954 #layout => string,
1815 }; 1955 };
1816 1956
1817 for (split /\n/, $spec) { 1957 for (split /\n/, $spec) {
1818 my ($k, $v) = split /\s+/, $_, 2; 1958 my ($k, $v) = split /\s+/, $_, 2;
1819 1959
1823 $rmp 1963 $rmp
1824} 1964}
1825 1965
1826sub prepare_random_map { 1966sub prepare_random_map {
1827 my ($exit) = @_; 1967 my ($exit) = @_;
1968
1969 my $guard = cf::lock_acquire "exit_prepare:$exit";
1828 1970
1829 # all this does is basically replace the /! path by 1971 # all this does is basically replace the /! path by
1830 # a new random map path (?random/...) with a seed 1972 # a new random map path (?random/...) with a seed
1831 # that depends on the exit object 1973 # that depends on the exit object
1832 1974
1833 my $rmp = parse_random_map_params $exit->msg; 1975 my $rmp = parse_random_map_params $exit->msg;
1834 1976
1835 if ($exit->map) { 1977 if ($exit->map) {
1836 $rmp->{region} = $exit->map->region_name; 1978 $rmp->{region} = $exit->region->name;
1837 $rmp->{origin_map} = $exit->map->path; 1979 $rmp->{origin_map} = $exit->map->path;
1838 $rmp->{origin_x} = $exit->x; 1980 $rmp->{origin_x} = $exit->x;
1839 $rmp->{origin_y} = $exit->y; 1981 $rmp->{origin_y} = $exit->y;
1840 } 1982 }
1841 1983
1842 $rmp->{random_seed} ||= $exit->random_seed; 1984 $rmp->{random_seed} ||= $exit->random_seed;
1843 1985
1844 my $data = cf::to_json $rmp; 1986 my $data = cf::to_json $rmp;
1845 my $md5 = Digest::MD5::md5_hex $data; 1987 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1846 1989
1847 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848 aio_write $fh, 0, (length $data), $data, 0; 1991 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh;
1993 aio_rename "$meta~", $meta;
1849 1994
1850 $exit->slaying ("?random/$md5"); 1995 $exit->slaying ("?random/$md5");
1851 $exit->msg (undef); 1996 $exit->msg (undef);
1852 } 1997 }
1853} 1998}
1854 1999
1855sub cf::object::player::enter_exit { 2000sub cf::object::player::enter_exit {
1856 my ($self, $exit) = @_; 2001 my ($self, $exit) = @_;
1857 2002
1858 return unless $self->type == cf::PLAYER; 2003 return unless $self->type == cf::PLAYER;
2004
2005 if ($exit->slaying eq "/!") {
2006 #TODO: this should de-fi-ni-te-ly not be a sync-job
2007 # the problem is that $exit might not survive long enough
2008 # so it needs to be done right now, right here
2009 cf::sync_job { prepare_random_map $exit };
2010 }
2011
2012 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013 my $hp = $exit->stats->hp;
2014 my $sp = $exit->stats->sp;
1859 2015
1860 $self->enter_link; 2016 $self->enter_link;
1861 2017
1862 (async { 2018 (async {
1863 $self->deactivate_recursive; # just to be sure 2019 $self->deactivate_recursive; # just to be sure
1864 unless (eval { 2020 unless (eval {
1865 prepare_random_map $exit 2021 $self->goto ($slaying, $hp, $sp);
1866 if $exit->slaying eq "/!";
1867
1868 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870 2022
1871 1; 2023 1;
1872 }) { 2024 }) {
1873 $self->message ("Something went wrong deep within the crossfire server. " 2025 $self->message ("Something went wrong deep within the crossfire server. "
1874 . "I'll try to bring you back to the map you were before. " 2026 . "I'll try to bring you back to the map you were before. "
1875 . "Please report this to the dungeon master!", 2027 . "Please report this to the dungeon master!",
1876 cf::NDI_UNIQUE | cf::NDI_RED); 2028 cf::NDI_UNIQUE | cf::NDI_RED);
1877 2029
1878 warn "ERROR in enter_exit: $@"; 2030 warn "ERROR in enter_exit: $@";
1879 $self->leave_link; 2031 $self->leave_link;
1880 } 2032 }
1881 })->prio (1); 2033 })->prio (1);
1894 2046
1895sub cf::client::send_drawinfo { 2047sub cf::client::send_drawinfo {
1896 my ($self, $text, $flags) = @_; 2048 my ($self, $text, $flags) = @_;
1897 2049
1898 utf8::encode $text; 2050 utf8::encode $text;
1899 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900} 2052}
1901 2053
2054=item $client->ext_event ($type, %msg)
2055
2056Sends an exti event to the client.
2057
2058=cut
2059
2060sub cf::client::ext_event($$%) {
2061 my ($self, $type, %msg) = @_;
2062
2063 $msg{msgtype} = "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg);
2065}
1902 2066
1903=item $success = $client->query ($flags, "text", \&cb) 2067=item $success = $client->query ($flags, "text", \&cb)
1904 2068
1905Queues a query to the client, calling the given callback with 2069Queues a query to the client, calling the given callback with
1906the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935 # get handled first 2099 # get handled first
1936 my $queue = delete $ns->{query_queue} 2100 my $queue = delete $ns->{query_queue}
1937 or return; # be conservative, not sure how that can happen, but we saw a crash here 2101 or return; # be conservative, not sure how that can happen, but we saw a crash here
1938 2102
1939 (shift @$queue)->[1]->($msg); 2103 (shift @$queue)->[1]->($msg);
2104 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940 2105
1941 push @{ $ns->{query_queue} }, @$queue; 2106 push @{ $ns->{query_queue} }, @$queue;
1942 2107
1943 if (@{ $ns->{query_queue} } == @$queue) { 2108 if (@{ $ns->{query_queue} } == @$queue) {
1944 if (@$queue) { 2109 if (@$queue) {
2002 2167
2003# here we export the classes and methods available to script code 2168# here we export the classes and methods available to script code
2004 2169
2005=pod 2170=pod
2006 2171
2007The following fucntions and emthods are available within a safe environment: 2172The following functions and methods are available within a safe environment:
2008 2173
2009 cf::object contr pay_amount pay_player map 2174 cf::object contr pay_amount pay_player map
2010 cf::object::player player 2175 cf::object::player player
2011 cf::player peaceful 2176 cf::player peaceful
2012 cf::map trigger 2177 cf::map trigger
2105The parameter C<$family> should best start with the name of the extension 2270The parameter C<$family> should best start with the name of the extension
2106using it, it should be unique. 2271using it, it should be unique.
2107 2272
2108=over 4 2273=over 4
2109 2274
2110=item $hashref = cf::db_get $family
2111
2112Return a hashref for use by the extension C<$family>, which can be
2113modified. After modifications, you have to call C<cf::db_dirty> or
2114C<cf::db_sync>.
2115
2116=item $value = cf::db_get $family => $key 2275=item $value = cf::db_get $family => $key
2117 2276
2118Returns a single value from the database 2277Returns a single value from the database.
2119
2120=item cf::db_put $family => $hashref
2121
2122Stores the given family hashref into the database. Updates are delayed, if
2123you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124 2278
2125=item cf::db_put $family => $key => $value 2279=item cf::db_put $family => $key => $value
2126 2280
2127Stores the given C<$value> in the family hash. Updates are delayed, if you 2281Stores the given C<$value> in the family.
2128want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130=item cf::db_dirty
2131
2132Marks the database as dirty, to be updated at a later time.
2133
2134=item cf::db_sync
2135
2136Immediately write the database to disk I<if it is dirty>.
2137 2282
2138=cut 2283=cut
2139 2284
2140our $DB; 2285our $DB;
2141 2286
2142{ 2287sub db_init {
2288 unless ($DB) {
2289 $DB = BDB::db_create $DB_ENV;
2290
2291 cf::sync_job {
2292 eval {
2293 $DB->set_flags (BDB::CHKSUM);
2294
2295 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297 cf::cleanup "db_open(db): $!" if $!;
2298 };
2299 cf::cleanup "db_open(db): $@" if $@;
2300 };
2301
2143 my $path = cf::localdir . "/database.pst"; 2302 my $path = cf::localdir . "/database.pst";
2303 if (stat $path) {
2304 cf::sync_job {
2305 my $pst = Storable::retrieve $path;
2144 2306
2145 sub db_load() { 2307 cf::db_put (board => data => $pst->{board});
2146 $DB = stat $path ? Storable::retrieve $path : { }; 2308 cf::db_put (guildrules => data => $pst->{guildrules});
2147 } 2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
2148 2311
2149 my $pid; 2312 unlink $path;
2150
2151 sub db_save() {
2152 waitpid $pid, 0 if $pid;
2153 if (0 == ($pid = fork)) {
2154 $DB->{_meta}{version} = 1;
2155 Storable::nstore $DB, "$path~";
2156 rename "$path~", $path;
2157 cf::_exit 0 if defined $pid;
2158 } 2313 };
2159 }
2160
2161 my $dirty;
2162
2163 sub db_sync() {
2164 db_save if $dirty;
2165 undef $dirty;
2166 }
2167
2168 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169 db_sync;
2170 });
2171
2172 sub db_dirty() {
2173 $dirty = 1;
2174 $idle->start;
2175 }
2176
2177 sub db_get($;$) {
2178 @_ >= 2
2179 ? $DB->{$_[0]}{$_[1]}
2180 : ($DB->{$_[0]} ||= { })
2181 }
2182
2183 sub db_put($$;$) {
2184 if (@_ >= 3) {
2185 $DB->{$_[0]}{$_[1]} = $_[2];
2186 } else {
2187 $DB->{$_[0]} = $_[1];
2188 }
2189 db_dirty;
2190 }
2191
2192 cf::global->attach (
2193 prio => 10000,
2194 on_cleanup => sub {
2195 db_sync;
2196 }, 2314 }
2197 ); 2315 }
2316}
2317
2318sub db_get($$) {
2319 my $key = "$_[0]/$_[1]";
2320
2321 cf::sync_job {
2322 BDB::db_get $DB, undef, $key, my $data;
2323
2324 $! ? ()
2325 : Compress::LZF::sthaw $data
2326 }
2327}
2328
2329sub db_put($$$) {
2330 BDB::dbreq_pri 4;
2331 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2198} 2332}
2199 2333
2200############################################################################# 2334#############################################################################
2201# the server's main() 2335# the server's init and main functions
2336
2337sub load_facedata {
2338 my $path = sprintf "%s/facedata", cf::datadir;
2339
2340 warn "loading facedata from $path\n";
2341
2342 my $facedata;
2343 0 < aio_load $path, $facedata
2344 or die "$path: $!";
2345
2346 $facedata = Coro::Storable::thaw $facedata;
2347
2348 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350
2351 {
2352 my $faces = $facedata->{faceinfo};
2353
2354 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2359 Coro::cede;
2360 }
2361
2362 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth};
2364 my $idx = cf::face::find $face
2365 or next;
2366 if (my $smooth = cf::face::find $info->{smooth}) {
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2368 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 }
2371 Coro::cede;
2372 }
2373 }
2374
2375 {
2376 my $anims = $facedata->{animinfo};
2377
2378 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede;
2381 }
2382
2383 cf::anim::invalidate_all; # d'oh
2384 }
2385
2386 1
2387}
2388
2389sub reload_resources {
2390 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2391 or die "unable to load regions file\n";#d#
2392 load_facedata
2393 or die "unable to load facedata\n";#d#
2394}
2395
2396sub init {
2397 reload_resources;
2398}
2202 2399
2203sub cfg_load { 2400sub cfg_load {
2204 open my $fh, "<:utf8", cf::confdir . "/config" 2401 open my $fh, "<:utf8", cf::confdir . "/config"
2205 or return; 2402 or return;
2206 2403
2223 2420
2224sub main { 2421sub main {
2225 # we must not ever block the main coroutine 2422 # we must not ever block the main coroutine
2226 local $Coro::idle = sub { 2423 local $Coro::idle = sub {
2227 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2424 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425 (async {
2228 async { Event::one_event }; 2426 Event::one_event;
2427 })->prio (Coro::PRIO_MAX);
2229 }; 2428 };
2230 2429
2231 cfg_load; 2430 cfg_load;
2232 db_load; 2431 db_init;
2233 load_extensions; 2432 load_extensions;
2433
2434 $TICK_WATCHER->start;
2234 Event::loop; 2435 Event::loop;
2235} 2436}
2236 2437
2237############################################################################# 2438#############################################################################
2238# initialisation and cleanup 2439# initialisation and cleanup
2239 2440
2240# install some emergency cleanup handlers 2441# install some emergency cleanup handlers
2241BEGIN { 2442BEGIN {
2242 for my $signal (qw(INT HUP TERM)) { 2443 for my $signal (qw(INT HUP TERM)) {
2243 Event->signal ( 2444 Event->signal (
2445 reentrant => 0,
2244 data => WF_AUTOCANCEL, 2446 data => WF_AUTOCANCEL,
2245 signal => $signal, 2447 signal => $signal,
2448 prio => 0,
2246 cb => sub { 2449 cb => sub {
2247 cf::cleanup "SIG$signal"; 2450 cf::cleanup "SIG$signal";
2248 }, 2451 },
2249 ); 2452 );
2250 } 2453 }
2251} 2454}
2256 warn "enter emergency perl save\n"; 2459 warn "enter emergency perl save\n";
2257 2460
2258 cf::sync_job { 2461 cf::sync_job {
2259 # use a peculiar iteration method to avoid tripping on perl 2462 # use a peculiar iteration method to avoid tripping on perl
2260 # refcount bugs in for. also avoids problems with players 2463 # refcount bugs in for. also avoids problems with players
2261 # and maps saved/Destroyed asynchronously. 2464 # and maps saved/destroyed asynchronously.
2262 warn "begin emergency player save\n"; 2465 warn "begin emergency player save\n";
2263 for my $login (keys %cf::PLAYER) { 2466 for my $login (keys %cf::PLAYER) {
2264 my $pl = $cf::PLAYER{$login} or next; 2467 my $pl = $cf::PLAYER{$login} or next;
2265 $pl->valid or next; 2468 $pl->valid or next;
2266 $pl->save; 2469 $pl->save;
2272 my $map = $cf::MAP{$path} or next; 2475 my $map = $cf::MAP{$path} or next;
2273 $map->valid or next; 2476 $map->valid or next;
2274 $map->save; 2477 $map->save;
2275 } 2478 }
2276 warn "end emergency map save\n"; 2479 warn "end emergency map save\n";
2480
2481 warn "begin emergency database checkpoint\n";
2482 BDB::db_env_txn_checkpoint $DB_ENV;
2483 warn "end emergency database checkpoint\n";
2277 }; 2484 };
2278 2485
2279 warn "leave emergency perl save\n"; 2486 warn "leave emergency perl save\n";
2487}
2488
2489sub post_cleanup {
2490 my ($make_core) = @_;
2491
2492 warn Carp::longmess "post_cleanup backtrace"
2493 if $make_core;
2280} 2494}
2281 2495
2282sub reload() { 2496sub reload() {
2283 # can/must only be called in main 2497 # can/must only be called in main
2284 if ($Coro::current != $Coro::main) { 2498 if ($Coro::current != $Coro::main) {
2285 warn "can only reload from main coroutine\n"; 2499 warn "can only reload from main coroutine";
2286 return; 2500 return;
2287 } 2501 }
2288 2502
2289 warn "reloading..."; 2503 warn "reloading...";
2290 2504
2291 warn "freezing server"; 2505 warn "entering sync_job";
2292 my $guard = freeze_mainloop; 2506
2507 cf::sync_job {
2508 cf::write_runtime; # external watchdog should not bark
2293 cf::emergency_save; 2509 cf::emergency_save;
2510 cf::write_runtime; # external watchdog should not bark
2294 2511
2295 warn "sync database to disk"; 2512 warn "syncing database to disk";
2296 cf::db_sync; 2513 BDB::db_env_txn_checkpoint $DB_ENV;
2297 IO::AIO::flush;
2298 2514
2299 eval {
2300 # if anything goes wrong in here, we should simply crash as we already saved 2515 # if anything goes wrong in here, we should simply crash as we already saved
2301 2516
2302 warn "cancel all watchers"; 2517 warn "cancelling all WF_AUTOCANCEL watchers";
2303 for (Event::all_watchers) { 2518 for (Event::all_watchers) {
2304 $_->cancel if $_->data & WF_AUTOCANCEL; 2519 $_->cancel if $_->data & WF_AUTOCANCEL;
2305 } 2520 }
2306 2521
2522 warn "flushing outstanding aio requests";
2523 for (;;) {
2524 BDB::flush;
2525 IO::AIO::flush;
2526 Coro::cede;
2527 last unless IO::AIO::nreqs || BDB::nreqs;
2528 warn "iterate...";
2529 }
2530
2531 ++$RELOAD;
2532
2307 warn "cancel all extension coros"; 2533 warn "cancelling all extension coros";
2308 $_->cancel for values %EXT_CORO; 2534 $_->cancel for values %EXT_CORO;
2309 %EXT_CORO = (); 2535 %EXT_CORO = ();
2310 2536
2311 warn "remove commands"; 2537 warn "removing commands";
2312 %COMMAND = (); 2538 %COMMAND = ();
2313 2539
2314 warn "remove ext commands"; 2540 warn "removing ext commands";
2315 %EXTCMD = (); 2541 %EXTCMD = ();
2316 2542
2317 warn "unload/nuke all extensions"; 2543 warn "unloading/nuking all extensions";
2318 for my $pkg (@EXTS) { 2544 for my $pkg (@EXTS) {
2319 warn "unloading <$pkg>"; 2545 warn "... unloading $pkg";
2320 2546
2321 if (my $cb = $pkg->can ("unload")) { 2547 if (my $cb = $pkg->can ("unload")) {
2322 eval { 2548 eval {
2323 $cb->($pkg); 2549 $cb->($pkg);
2324 1 2550 1
2325 } or warn "$pkg unloaded, but with errors: $@"; 2551 } or warn "$pkg unloaded, but with errors: $@";
2326 } 2552 }
2327 2553
2554 warn "... nuking $pkg";
2328 Symbol::delete_package $pkg; 2555 Symbol::delete_package $pkg;
2329 } 2556 }
2330 2557
2331 warn "unload all perl modules loaded from $LIBDIR"; 2558 warn "unloading all perl modules loaded from $LIBDIR";
2332 while (my ($k, $v) = each %INC) { 2559 while (my ($k, $v) = each %INC) {
2333 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2560 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334 2561
2335 warn "removing <$k>"; 2562 warn "... unloading $k";
2336 delete $INC{$k}; 2563 delete $INC{$k};
2337 2564
2338 $k =~ s/\.pm$//; 2565 $k =~ s/\.pm$//;
2339 $k =~ s/\//::/g; 2566 $k =~ s/\//::/g;
2340 2567
2343 } 2570 }
2344 2571
2345 Symbol::delete_package $k; 2572 Symbol::delete_package $k;
2346 } 2573 }
2347 2574
2348 warn "get rid of safe::, as good as possible"; 2575 warn "getting rid of safe::, as good as possible";
2349 Symbol::delete_package "safe::$_" 2576 Symbol::delete_package "safe::$_"
2350 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2577 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351 2578
2352 warn "unload cf.pm \"a bit\""; 2579 warn "unloading cf.pm \"a bit\"";
2353 delete $INC{"cf.pm"}; 2580 delete $INC{"cf.pm"};
2354 2581
2355 # don't, removes xs symbols, too, 2582 # don't, removes xs symbols, too,
2356 # and global variables created in xs 2583 # and global variables created in xs
2357 #Symbol::delete_package __PACKAGE__; 2584 #Symbol::delete_package __PACKAGE__;
2358 2585
2586 warn "unload completed, starting to reload now";
2587
2359 warn "reloading cf.pm"; 2588 warn "reloading cf.pm";
2360 require cf; 2589 require cf;
2361 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2590 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362 2591
2363 warn "load config and database again"; 2592 warn "loading config and database again";
2364 cf::cfg_load; 2593 cf::cfg_load;
2365 cf::db_load;
2366 2594
2367 warn "load extensions"; 2595 warn "loading extensions";
2368 cf::load_extensions; 2596 cf::load_extensions;
2369 2597
2370 warn "reattach attachments to objects/players"; 2598 warn "reattaching attachments to objects/players";
2371 _global_reattach; 2599 _global_reattach; # objects, sockets
2372 warn "reattach attachments to maps"; 2600 warn "reattaching attachments to maps";
2373 reattach $_ for values %MAP; 2601 reattach $_ for values %MAP;
2374 }; 2602 warn "reattaching attachments to players";
2603 reattach $_ for values %PLAYER;
2375 2604
2376 if ($@) { 2605 warn "loading reloadable resources";
2606 reload_resources;
2607
2608 warn "leaving sync_job";
2609
2610 1
2611 } or do {
2377 warn $@; 2612 warn $@;
2378 warn "error while reloading, exiting."; 2613 warn "error while reloading, exiting.";
2379 exit 1; 2614 exit 1;
2380 } 2615 };
2381 2616
2382 warn "reloaded"; 2617 warn "reloaded";
2383}; 2618};
2384 2619
2385############################################################################# 2620our $RELOAD_WATCHER; # used only during reload
2386
2387unless ($LINK_MAP) {
2388 $LINK_MAP = cf::map::new;
2389
2390 $LINK_MAP->width (41);
2391 $LINK_MAP->height (41);
2392 $LINK_MAP->alloc;
2393 $LINK_MAP->path ("{link}");
2394 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397 # dirty hack because... archetypes are not yet loaded
2398 Event->timer (
2399 after => 10,
2400 cb => sub {
2401 $_[0]->w->cancel;
2402
2403 # provide some exits "home"
2404 my $exit = cf::object::new "exit";
2405
2406 $exit->slaying ($EMERGENCY_POSITION->[0]);
2407 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410 $LINK_MAP->insert ($exit->clone, 19, 19);
2411 $LINK_MAP->insert ($exit->clone, 19, 20);
2412 $LINK_MAP->insert ($exit->clone, 19, 21);
2413 $LINK_MAP->insert ($exit->clone, 20, 19);
2414 $LINK_MAP->insert ($exit->clone, 20, 21);
2415 $LINK_MAP->insert ($exit->clone, 21, 19);
2416 $LINK_MAP->insert ($exit->clone, 21, 20);
2417 $LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419 $exit->destroy;
2420 });
2421
2422 $LINK_MAP->{deny_save} = 1;
2423 $LINK_MAP->{deny_reset} = 1;
2424
2425 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426}
2427 2621
2428register_command "reload" => sub { 2622register_command "reload" => sub {
2429 my ($who, $arg) = @_; 2623 my ($who, $arg) = @_;
2430 2624
2431 if ($who->flag (FLAG_WIZ)) { 2625 if ($who->flag (FLAG_WIZ)) {
2432 $who->message ("start of reload."); 2626 $who->message ("reloading server.");
2627
2628 # doing reload synchronously and two reloads happen back-to-back,
2629 # coro crashes during coro_state_free->destroy here.
2630
2631 $RELOAD_WATCHER ||= Event->timer (
2632 reentrant => 0,
2633 after => 0,
2634 data => WF_AUTOCANCEL,
2635 cb => sub {
2433 reload; 2636 reload;
2434 $who->message ("end of reload."); 2637 undef $RELOAD_WATCHER;
2638 },
2639 );
2435 } 2640 }
2436}; 2641};
2437 2642
2438unshift @INC, $LIBDIR; 2643unshift @INC, $LIBDIR;
2644
2645my $bug_warning = 0;
2646
2647our @WAIT_FOR_TICK;
2648our @WAIT_FOR_TICK_BEGIN;
2649
2650sub wait_for_tick {
2651 my $signal = new Coro::Signal;
2652 push @WAIT_FOR_TICK, $signal;
2653 $signal->wait;
2654}
2655
2656sub wait_for_tick_begin {
2657 my $signal = new Coro::Signal;
2658 push @WAIT_FOR_TICK_BEGIN, $signal;
2659 $signal->wait;
2660}
2439 2661
2440$TICK_WATCHER = Event->timer ( 2662$TICK_WATCHER = Event->timer (
2441 reentrant => 0, 2663 reentrant => 0,
2664 parked => 1,
2442 prio => 0, 2665 prio => 0,
2443 at => $NEXT_TICK || $TICK, 2666 at => $NEXT_TICK || $TICK,
2444 data => WF_AUTOCANCEL, 2667 data => WF_AUTOCANCEL,
2445 cb => sub { 2668 cb => sub {
2669 if ($Coro::current != $Coro::main) {
2670 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671 unless ++$bug_warning > 10;
2672 return;
2673 }
2674
2675 $NOW = Event::time;
2676
2446 cf::server_tick; # one server iteration 2677 cf::server_tick; # one server iteration
2447 $RUNTIME += $TICK; 2678 $RUNTIME += $TICK;
2448 $NEXT_TICK += $TICK; 2679 $NEXT_TICK += $TICK;
2449 2680
2450 $WAIT_FOR_TICK->broadcast; 2681 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2682 $NEXT_RUNTIME_WRITE = $NOW + 10;
2683 Coro::async_pool {
2684 write_runtime
2685 or warn "ERROR: unable to write runtime file: $!";
2686 };
2687 }
2688
2689 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2690 $sig->send;
2691 }
2692 while (my $sig = shift @WAIT_FOR_TICK) {
2693 $sig->send;
2694 }
2695
2696# my $AFTER = Event::time;
2697# warn $AFTER - $NOW;#d#
2452 2698
2453 # if we are delayed by four ticks or more, skip them all 2699 # if we are delayed by four ticks or more, skip them all
2454 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2700 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455 2701
2456 $TICK_WATCHER->at ($NEXT_TICK); 2702 $TICK_WATCHER->at ($NEXT_TICK);
2457 $TICK_WATCHER->start; 2703 $TICK_WATCHER->start;
2458 }, 2704 },
2459); 2705);
2460 2706
2707{
2461IO::AIO::max_poll_time $TICK * 0.2; 2708 BDB::max_poll_time $TICK * 0.1;
2462 2709 $BDB_POLL_WATCHER = Event->io (
2463Event->io ( 2710 reentrant => 0,
2464 fd => IO::AIO::poll_fileno, 2711 fd => BDB::poll_fileno,
2465 poll => 'r', 2712 poll => 'r',
2466 prio => 5, 2713 prio => 0,
2467 data => WF_AUTOCANCEL,
2468 cb => \&IO::AIO::poll_cb,
2469);
2470
2471Event->timer (
2472 data => WF_AUTOCANCEL, 2714 data => WF_AUTOCANCEL,
2473 after => 0, 2715 cb => \&BDB::poll_cb,
2474 interval => 10, 2716 );
2475 cb => sub { 2717 BDB::min_parallel 8;
2476 (Coro::unblock_sub { 2718
2477 write_runtime 2719 BDB::set_sync_prepare {
2478 or warn "ERROR: unable to write runtime file: $!"; 2720 my $status;
2721 my $current = $Coro::current;
2722 (
2723 sub {
2724 $status = $!;
2725 $current->ready; undef $current;
2726 },
2727 sub {
2728 Coro::schedule while defined $current;
2729 $! = $status;
2730 },
2731 )
2732 };
2733
2734 unless ($DB_ENV) {
2735 $DB_ENV = BDB::db_env_create;
2736
2737 cf::sync_job {
2738 eval {
2739 BDB::db_env_open
2740 $DB_ENV,
2741 $BDB_ENV_DIR,
2742 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744 0666;
2745
2746 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2747
2748 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749 $DB_ENV->set_lk_detect;
2750 };
2751
2752 cf::cleanup "db_env_open(db): $@" if $@;
2479 })->(); 2753 };
2480 }, 2754 }
2481); 2755}
2756
2757{
2758 IO::AIO::min_parallel 8;
2759
2760 undef $Coro::AIO::WATCHER;
2761 IO::AIO::max_poll_time $TICK * 0.1;
2762 $AIO_POLL_WATCHER = Event->io (
2763 reentrant => 0,
2764 data => WF_AUTOCANCEL,
2765 fd => IO::AIO::poll_fileno,
2766 poll => 'r',
2767 prio => 6,
2768 cb => \&IO::AIO::poll_cb,
2769 );
2770}
2482 2771
2483END { cf::emergency_save } 2772END { cf::emergency_save }
2484 2773
24851 27741
2486 2775

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