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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 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
42our %EXT_MAP = (); # pluggable maps 53our %EXT_MAP = (); # pluggable maps
43 54
55our $RELOAD; # number of reloads so far
44our @EVENT; 56our @EVENT;
45our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
46 58
47our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6;
48our $TICK_WATCHER; 60our $TICK_WATCHER;
61our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49our $NEXT_TICK; 63our $NEXT_TICK;
50our $NOW; 64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off
66
67our $BDB_POLL_WATCHER;
68our $DB_ENV;
51 69
52our %CFG; 70our %CFG;
53 71
54our $UPTIME; $UPTIME ||= time; 72our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 73our $RUNTIME;
56 74
57our %PLAYER; # all users 75our %PLAYER; # all users
58our %MAP; # all maps 76our %MAP; # all maps
59our $LINK_MAP; # the special {link} map 77our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
61 80
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 81# used to convert map paths into valid unix filenames by replacing / by ∕
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64 83
65binmode STDOUT; 84binmode STDOUT;
66binmode STDERR; 85binmode STDERR;
67 86
68# read virtual server time, if available 87# read virtual server time, if available
75mkdir cf::localdir; 94mkdir cf::localdir;
76mkdir cf::localdir . "/" . cf::playerdir; 95mkdir cf::localdir . "/" . cf::playerdir;
77mkdir cf::localdir . "/" . cf::tmpdir; 96mkdir cf::localdir . "/" . cf::tmpdir;
78mkdir cf::localdir . "/" . cf::uniquedir; 97mkdir cf::localdir . "/" . cf::uniquedir;
79mkdir $RANDOM_MAPS; 98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
80 100
81# a special map that is always available
82our $LINK_MAP;
83our $EMERGENCY_POSITION; 101our $EMERGENCY_POSITION;
102
103sub cf::map::normalise;
84 104
85############################################################################# 105#############################################################################
86 106
87=head2 GLOBAL VARIABLES 107=head2 GLOBAL VARIABLES
88 108
113=item %cf::CFG 133=item %cf::CFG
114 134
115Configuration for the server, loaded from C</etc/crossfire/config>, or 135Configuration for the server, loaded from C</etc/crossfire/config>, or
116from wherever your confdir points to. 136from wherever your confdir points to.
117 137
118=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 138=item cf::wait_for_tick, cf::wait_for_tick_begin
119 139
120These 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
121or 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
122processing 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.
123window of cpu time available, or simply to synchronise to the server tick.
124 143
125=back 144=back
126 145
127=cut 146=cut
128 147
187 $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;
188 $d 207 $d
189 } || "[unable to dump $_[0]: '$@']"; 208 } || "[unable to dump $_[0]: '$@']";
190} 209}
191 210
192use JSON::Syck (); # TODO# replace by JSON::PC once working 211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193 212
194=item $ref = cf::from_json $json 213=item $ref = cf::from_json $json
195 214
196Converts a JSON string into the corresponding perl data structure. 215Converts a JSON string into the corresponding perl data structure.
197 216
198=cut
199
200sub from_json($) {
201 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202 JSON::Syck::Load $_[0]
203}
204
205=item $json = cf::to_json $ref 217=item $json = cf::to_json $ref
206 218
207Converts a perl data structure into its JSON representation. 219Converts a perl data structure into its JSON representation.
208
209=cut
210
211sub to_json($) {
212 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213 JSON::Syck::Dump $_[0]
214}
215 220
216=item cf::lock_wait $string 221=item cf::lock_wait $string
217 222
218Wait until the given lock is available. See cf::lock_acquire. 223Wait until the given lock is available. See cf::lock_acquire.
219 224
256} 261}
257 262
258sub freeze_mainloop { 263sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active; 264 return unless $TICK_WATCHER->is_active;
260 265
261 my $guard = Coro::guard { $TICK_WATCHER->start }; 266 my $guard = Coro::guard {
267 $TICK_WATCHER->start;
268 };
262 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
263 $guard 270 $guard
264} 271}
265 272
266=item cf::async { BLOCK } 273=item cf::async { BLOCK }
337 344
338 $coro 345 $coro
339} 346}
340 347
341sub write_runtime { 348sub write_runtime {
349 my $guard = cf::lock_acquire "write_runtime";
350
342 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
343 352
344 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345 or return; 354 or return;
346 355
356 my $value = $cf::RUNTIME + 90 + 10;
347 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
348 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
349 and return; 361 and return;
350 362
363 # always fsync - this file is important
351 aio_fsync $fh 364 aio_fsync $fh
352 and return; 365 and return;
353 366
354 close $fh 367 close $fh
355 or return; 368 or return;
358 and return; 371 and return;
359 372
360 1 373 1
361} 374}
362 375
376=item cf::datalog type => key => value, ...
377
378Log a datalog packet of the given type with the given key-value pairs.
379
380=cut
381
382sub datalog($@) {
383 my ($type, %kv) = @_;
384 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385}
386
363=back 387=back
364 388
365=cut 389=cut
366
367#############################################################################
368
369package cf::path;
370
371use overload
372 '""' => \&as_string;
373
374# used to convert map paths into valid unix filenames by repalcing / by ∕
375our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377sub register {
378 my ($pkg, $prefix) = @_;
379
380 $EXT_MAP{$prefix} = $pkg;
381}
382
383sub new {
384 my ($class, $path, $base) = @_;
385
386 return $path if ref $path;
387
388 my $self = {};
389
390 # {... are special paths that are not being touched
391 # ?xxx/... are special absolute paths
392 # ?random/... random maps
393 # /! non-realised random map exit
394 # /... normal maps
395 # ~/... per-player maps without a specific player (DO NOT USE)
396 # ~user/... per-player map of a specific user
397
398 $path =~ s/$PATH_SEP/\//go;
399
400 if ($path =~ /^{/) {
401 # fine as it is
402 } else {
403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
405 $self->{user_rel} = 1;
406
407 if (defined $1) {
408 $self->{user} = $1;
409 } elsif ($base =~ m{^~([^/]+)/}) {
410 $self->{user} = $1;
411 } else {
412 warn "cannot resolve user-relative path without user <$path,$base>\n";
413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
420 } elsif ($path =~ /^\//) {
421 # /...
422 # already absolute
423 } else {
424 # relative
425 $base =~ s{[^/]+/?$}{};
426 return $class->new ("$base/$path");
427 }
428
429 for ($path) {
430 redo if s{/\.?/}{/};
431 redo if s{/[^/]+/\.\./}{/};
432 }
433 }
434
435 $self->{path} = $path;
436
437 if ("HASH" eq ref $self) {
438 bless $self, $class;
439 } else {
440 $self->init;
441 }
442
443 for my $ext (values %EXT_MAP) {
444 if (my $subst = $ext->substitute ($self)) {
445 return $subst;
446 }
447 }
448
449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
458}
459
460# the name / primary key / in-game path
461sub as_string {
462 my ($self) = @_;
463
464 $self->{user_rel} ? "~$self->{user}$self->{path}"
465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
466 : $self->{path}
467}
468
469# the displayed name, this is a one way mapping
470sub visible_name {
471 &as_string
472}
473
474# escape the /'s in the path
475sub _escaped_path {
476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478 $path
479}
480
481# the original (read-only) location
482sub load_path {
483 my ($self) = @_;
484
485 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486}
487
488# the temporary/swap location
489sub save_path {
490 my ($self) = @_;
491
492 $self->{user_rel}
493 ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495}
496
497# the unique path, undef == no special unique path
498sub uniq_path {
499 my ($self) = @_;
500
501 $self->{user_rel} || $self->{ext}
502 ? undef
503 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504}
505
506sub customise_for {
507 my ($self, $map, $ob) = @_;
508
509 if ($map->per_player) {
510 return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511 }
512
513 $map
514}
515
516# this is somewhat ugly, but style maps do need special treatment
517sub is_style_map {
518 $_[0]{path} =~ m{^/styles/}
519}
520
521sub load_orig {
522 my ($self) = @_;
523
524 &cf::map::load_map_header ($self->load_path)
525}
526
527sub load_temp {
528 my ($self) = @_;
529
530 &cf::map::load_map_header ($self->save_path)
531}
532
533sub unlink_save {
534 my ($self) = @_;
535
536 utf8::encode (my $save = $self->save_path);
537 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539}
540
541package cf;
542 390
543############################################################################# 391#############################################################################
544 392
545=head2 ATTACHABLE OBJECTS 393=head2 ATTACHABLE OBJECTS
546 394
672our @CB_TYPE = (); # registry for type (cf-object class) based events 520our @CB_TYPE = (); # registry for type (cf-object class) based events
673our @CB_MAP = (); 521our @CB_MAP = ();
674 522
675my %attachment; 523my %attachment;
676 524
525sub cf::attachable::thawer_merge {
526 # simply override everything except _meta
527 local $_[0]{_meta};
528 %{$_[0]} = %{$_[1]};
529}
530
677sub _attach_cb($$$$) { 531sub _attach_cb($$$$) {
678 my ($registry, $event, $prio, $cb) = @_; 532 my ($registry, $event, $prio, $cb) = @_;
679 533
680 use sort 'stable'; 534 use sort 'stable';
681 535
852# object support 706# object support
853 707
854sub reattach { 708sub reattach {
855 # basically do the same as instantiate, without calling instantiate 709 # basically do the same as instantiate, without calling instantiate
856 my ($obj) = @_; 710 my ($obj) = @_;
711
712 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857 713
858 my $registry = $obj->registry; 714 my $registry = $obj->registry;
859 715
860 @$registry = (); 716 @$registry = ();
861 717
908 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
909 765
910 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
912 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
914 close $fh; 770 close $fh;
915 771
916 if (@$objs) { 772 if (@$objs) {
917 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) {
918 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
919 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
920 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
921 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
922 close $fh; 778 close $fh;
923 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
924 } 780 }
925 } else { 781 } else {
926 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
1048 "package $pkg; use strict; use utf8;\n" 904 "package $pkg; use strict; use utf8;\n"
1049 . "#line 1 \"$path\"\n{\n" 905 . "#line 1 \"$path\"\n{\n"
1050 . (do { local $/; <$fh> }) 906 . (do { local $/; <$fh> })
1051 . "\n};\n1"; 907 . "\n};\n1";
1052 908
1053 eval $source 909 unless (eval $source) {
1054 or die $@ ? "$path: $@\n" 910 my $msg = $@ ? "$path: $@\n"
1055 : "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 }
1056 919
1057 push @EXTS, $pkg; 920 push @EXTS, $pkg;
1058} 921}
1059 922
1060sub load_extensions { 923sub load_extensions {
1066 } or warn "$ext not loaded: $@"; 929 } or warn "$ext not loaded: $@";
1067 } 930 }
1068} 931}
1069 932
1070############################################################################# 933#############################################################################
1071# load/save/clean perl data associated with a map
1072
1073*cf::mapsupport::on_clean = sub {
1074 my ($map) = @_;
1075
1076 my $path = $map->tmpname;
1077 defined $path or return;
1078
1079 unlink "$path.pst";
1080};
1081
1082cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084#############################################################################
1085 934
1086=head2 CORE EXTENSIONS 935=head2 CORE EXTENSIONS
1087 936
1088Functions and methods that extend core crossfire objects. 937Functions and methods that extend core crossfire objects.
1089 938
1112} 961}
1113 962
1114sub path($) { 963sub path($) {
1115 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116 965
1117 (playerdir $login) . "/$login.pl" 966 (playerdir $login) . "/playerdata"
1118} 967}
1119 968
1120sub find_active($) { 969sub find_active($) {
1121 $cf::PLAYER{$_[0]} 970 $cf::PLAYER{$_[0]}
1122 and $cf::PLAYER{$_[0]}->active 971 and $cf::PLAYER{$_[0]}->active
1125 974
1126sub exists($) { 975sub exists($) {
1127 my ($login) = @_; 976 my ($login) = @_;
1128 977
1129 $cf::PLAYER{$login} 978 $cf::PLAYER{$login}
1130 or cf::sync_job { !aio_stat $login } 979 or cf::sync_job { !aio_stat path $login }
1131} 980}
1132 981
1133sub find($) { 982sub find($) {
1134 return $cf::PLAYER{$_[0]} || do { 983 return $cf::PLAYER{$_[0]} || do {
1135 my $login = $_[0]; 984 my $login = $_[0];
1136 985
1137 my $guard = cf::lock_acquire "user_find:$login"; 986 my $guard = cf::lock_acquire "user_find:$login";
1138 987
1139 $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
1140 my $pl = load_pl path $login 996 my $pl = load_pl path $login
1141 or return; 997 or return;
1142 $cf::PLAYER{$login} = $pl 998 $cf::PLAYER{$login} = $pl
1143 } 999 }
1144 } 1000 }
1181 1037
1182=cut 1038=cut
1183 1039
1184sub quit_character { 1040sub quit_character {
1185 my ($pl) = @_; 1041 my ($pl) = @_;
1042
1043 my $name = $pl->ob->name;
1186 1044
1187 $pl->{deny_save} = 1; 1045 $pl->{deny_save} = 1;
1188 $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
1189 1047
1190 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1195 my $path = playerdir $pl; 1053 my $path = playerdir $pl;
1196 my $temp = "$path~$cf::RUNTIME~deleting~"; 1054 my $temp = "$path~$cf::RUNTIME~deleting~";
1197 aio_rename $path, $temp; 1055 aio_rename $path, $temp;
1198 delete $cf::PLAYER{$pl->ob->name}; 1056 delete $cf::PLAYER{$pl->ob->name};
1199 $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
1200 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;
1201} 1079}
1202 1080
1203=item cf::player::list_logins 1081=item cf::player::list_logins
1204 1082
1205Returns 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
1225 \@logins 1103 \@logins
1226} 1104}
1227 1105
1228=item $player->maps 1106=item $player->maps
1229 1107
1230Returns 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
1231player. May block. 1109player. May block.
1232 1110
1233=cut 1111=cut
1234 1112
1235sub maps($) { 1113sub maps($) {
1236 my ($pl) = @_; 1114 my ($pl) = @_;
1115
1116 $pl = ref $pl ? $pl->ob->name : $pl;
1237 1117
1238 my $files = aio_readdir playerdir $pl 1118 my $files = aio_readdir playerdir $pl
1239 or return; 1119 or return;
1240 1120
1241 my @paths; 1121 my @paths;
1243 for (@$files) { 1123 for (@$files) {
1244 utf8::decode $_; 1124 utf8::decode $_;
1245 next if /\.(?:pl|pst)$/; 1125 next if /\.(?:pl|pst)$/;
1246 next unless /^$PATH_SEP/o; 1126 next unless /^$PATH_SEP/o;
1247 1127
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1128 push @paths, cf::map::normalise "~$pl/$_";
1249 } 1129 }
1250 1130
1251 \@paths 1131 \@paths
1252} 1132}
1253 1133
1254=item $player->ext_reply ($msgid, $msgtype, %msg) 1134=item $player->ext_reply ($msgid, %msg)
1255 1135
1256Sends an ext reply to the player. 1136Sends an ext reply to the player.
1257 1137
1258=cut 1138=cut
1259 1139
1260sub ext_reply($$$%) { 1140sub ext_reply($$%) {
1261 my ($self, $id, %msg) = @_; 1141 my ($self, $id, %msg) = @_;
1262 1142
1263 $msg{msgid} = $id; 1143 $msg{msgid} = $id;
1264 1144
1265 $self->send ("ext " . cf::to_json \%msg); 1145 $self->send ("ext " . cf::to_json \%msg);
1266} 1146}
1267 1147
1268package cf; 1148=item $player->ext_event ($type, %msg)
1149
1150Sends an ext event to the client.
1151
1152=cut
1153
1154sub ext_event($$%) {
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}
1269 1188
1270=back 1189=back
1271
1272 1190
1273=head3 cf::map 1191=head3 cf::map
1274 1192
1275=over 4 1193=over 4
1276 1194
1279package cf::map; 1197package cf::map;
1280 1198
1281use Fcntl; 1199use Fcntl;
1282use Coro::AIO; 1200use Coro::AIO;
1283 1201
1202use overload
1203 '""' => \&as_string,
1204 fallback => 1;
1205
1284our $MAX_RESET = 3600; 1206our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1207our $DEFAULT_RESET = 3000;
1286 1208
1287sub generate_random_map { 1209sub generate_random_map {
1288 my ($path, $rmp) = @_; 1210 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1211 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map ( 1212 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1213 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1214 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1215 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1216 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1217 $rmp->{xsize}, $rmp->{ysize},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1222 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}), $rmp->{custom} 1223 (cf::region::find $rmp->{region}), $rmp->{custom}
1304 ) 1224 )
1305} 1225}
1306 1226
1227=item cf::map->register ($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, $path
1354}
1355
1307# and all this just because we cannot iterate over 1356# and all this just because we cannot iterate over
1308# all maps in C++... 1357# all maps in C++...
1309sub change_all_map_light { 1358sub change_all_map_light {
1310 my ($change) = @_; 1359 my ($change) = @_;
1311 1360
1312 $_->change_map_light ($change) 1361 $_->change_map_light ($change)
1313 for grep $_->outdoor, values %cf::MAP; 1362 for grep $_->outdoor, values %cf::MAP;
1314} 1363}
1315 1364
1365sub unlink_save {
1366 my ($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
1316sub load_map_header($) { 1373sub load_header_from($) {
1317 my ($path) = @_; 1374 my ($self, $path) = @_;
1318 1375
1319 utf8::encode $path; 1376 utf8::encode $path;
1320 aio_open $path, O_RDONLY, 0 1377 #aio_open $path, O_RDONLY, 0
1378 # or return;
1379
1380 $self->_load_header ($path)
1321 or return; 1381 or return;
1322 1382
1323 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
1324 or return; 1426 or return;
1427 $self->prepare_orig;
1428 }
1325 1429
1326 # for better error messages only, will be overwritten later 1430 $self->default_region (cf::region::find_by_path $self->{path})
1327 $map->path ($path); 1431 unless $self->default_region;
1328 1432
1329 $map->load_header ($path) 1433 1
1330 or return;
1331
1332 $map->{load_path} = $path;
1333
1334 $map
1335} 1434}
1336 1435
1337sub find; 1436sub find;
1338sub find { 1437sub find {
1339 my ($path, $origin) = @_; 1438 my ($path, $origin) = @_;
1340 1439
1341 #warn "find<$path,$origin>\n";#d#
1342
1343 $path = new cf::path $path, $origin && $origin->path; 1440 $path = normalise $path, $origin && $origin->path;
1344 my $key = $path->as_string;
1345 1441
1346 cf::lock_wait "map_find:$key"; 1442 cf::lock_wait "map_find:$path";
1347 1443
1348 $cf::MAP{$key} || do { 1444 $cf::MAP{$path} || do {
1349 my $guard = cf::lock_acquire "map_find:$key"; 1445 my $guard = cf::lock_acquire "map_find:$path";
1350 1446 my $map = new_from_path cf::map $path
1351 # do it the slow way
1352 my $map = $path->load_temp;
1353
1354 Coro::cede;
1355
1356 if ($map) {
1357 $map->last_access ((delete $map->{last_access})
1358 || $cf::RUNTIME); #d#
1359 # safety
1360 $map->{instantiate_time} = $cf::RUNTIME
1361 if $map->{instantiate_time} > $cf::RUNTIME;
1362 } else {
1363 $map = $path->load_orig
1364 or return; 1447 or return;
1365 1448
1366 $map->{load_original} = 1;
1367 $map->{instantiate_time} = $cf::RUNTIME;
1368 $map->last_access ($cf::RUNTIME);
1369 $map->instantiate;
1370
1371 # per-player maps become, after loading, normal maps
1372 $map->per_player (0) if $path->{user_rel};
1373 }
1374
1375 $map->path ($key);
1376 $map->{path} = $path;
1377 $map->{last_save} = $cf::RUNTIME; 1449 $map->{last_save} = $cf::RUNTIME;
1378 1450
1379 Coro::cede; 1451 $map->load_header
1452 or return;
1380 1453
1381 if ($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;
1382 $map->reset; 1457 $map->reset;
1383 undef $guard; 1458 undef $guard;
1384 $map = find $path 1459 return find $path;
1385 or return;
1386 } 1460 }
1387 1461
1388 $cf::MAP{$key} = $map 1462 $cf::MAP{$path} = $map
1389 } 1463 }
1390} 1464}
1465
1466sub pre_load { }
1467sub post_load { }
1391 1468
1392sub load { 1469sub load {
1393 my ($self) = @_; 1470 my ($self) = @_;
1394 1471
1472 local $self->{deny_reset} = 1; # loading can take a long time
1473
1395 my $path = $self->{path}; 1474 my $path = $self->{path};
1396 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1475 my $guard = cf::lock_acquire "map_load:$path";
1397 1476
1398 return if $self->in_memory != cf::MAP_SWAPPED; 1477 return if $self->in_memory != cf::MAP_SWAPPED;
1399 1478
1400 $self->in_memory (cf::MAP_LOADING); 1479 $self->in_memory (cf::MAP_LOADING);
1401 1480
1402 $self->alloc; 1481 $self->alloc;
1482
1483 $self->pre_load;
1484 Coro::cede;
1485
1403 $self->load_objects ($self->{load_path}, 1) 1486 $self->_load_objects ($self->{load_path}, 1)
1404 or return; 1487 or return;
1405 1488
1406 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407 if delete $self->{load_original}; 1490 if delete $self->{load_original};
1408 1491
1409 if (my $uniq = $path->uniq_path) { 1492 if (my $uniq = $self->uniq_path) {
1410 utf8::encode $uniq; 1493 utf8::encode $uniq;
1411 if (aio_open $uniq, O_RDONLY, 0) { 1494 if (aio_open $uniq, O_RDONLY, 0) {
1412 $self->clear_unique_items; 1495 $self->clear_unique_items;
1413 $self->load_objects ($uniq, 0); 1496 $self->_load_objects ($uniq, 0);
1414 } 1497 }
1415 } 1498 }
1416 1499
1417 Coro::cede; 1500 Coro::cede;
1418
1419 # now do the right thing for maps 1501 # now do the right thing for maps
1420 $self->link_multipart_objects; 1502 $self->link_multipart_objects;
1503 Coro::cede;
1421 1504
1422 if ($self->{path}->is_style_map) { 1505 unless ($self->{deny_activate}) {
1423 $self->{deny_save} = 1;
1424 $self->{deny_reset} = 1;
1425 } else {
1426 $self->decay_objects; 1506 $self->decay_objects;
1427 $self->fix_auto_apply; 1507 $self->fix_auto_apply;
1428 $self->update_buttons; 1508 $self->update_buttons;
1509 Coro::cede;
1429 $self->set_darkness_map; 1510 $self->set_darkness_map;
1430 $self->difficulty ($self->estimate_difficulty) 1511 $self->difficulty ($self->estimate_difficulty)
1431 unless $self->difficulty; 1512 unless $self->difficulty;
1513 Coro::cede;
1432 $self->activate; 1514 $self->activate;
1515 Coro::cede;
1433 } 1516 }
1434 1517
1518 $self->post_load;
1435 Coro::cede; 1519 Coro::cede;
1436 1520
1437 $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 $self
1438} 1531}
1439 1532
1440# find and load all maps in the 3x3 area around a map 1533# find and load all maps in the 3x3 area around a map
1441sub load_diag { 1534sub load_diag {
1442 my ($map) = @_; 1535 my ($map) = @_;
1472 1565
1473 cf::sync_job { $map->load }; 1566 cf::sync_job { $map->load };
1474} 1567}
1475 1568
1476our %MAP_PREFETCH; 1569our %MAP_PREFETCH;
1477our $MAP_PREFETCHER = Coro::async { 1570our $MAP_PREFETCHER = undef;
1478 while () {
1479 while (%MAP_PREFETCH) {
1480 my $key = each %MAP_PREFETCH
1481 or next;
1482 my $path = delete $MAP_PREFETCH{$key};
1483
1484 my $map = find $path
1485 or next;
1486 $map->load;
1487 }
1488 Coro::schedule;
1489 }
1490};
1491 1571
1492sub find_async { 1572sub find_async {
1493 my ($path, $origin) = @_; 1573 my ($path, $origin) = @_;
1494 1574
1495 $path = new cf::path $path, $origin && $origin->path; 1575 $path = normalise $path, $origin && $origin->{path};
1496 my $key = $path->as_string;
1497 1576
1498 if (my $map = $cf::MAP{$key}) { 1577 if (my $map = $cf::MAP{$path}) {
1499 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500 } 1579 }
1501 1580
1502 $MAP_PREFETCH{$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 };
1503 $MAP_PREFETCHER->ready; 1594 $MAP_PREFETCHER->prio (6);
1504 1595
1505 () 1596 ()
1506} 1597}
1507 1598
1508sub save { 1599sub save {
1512 1603
1513 $self->{last_save} = $cf::RUNTIME; 1604 $self->{last_save} = $cf::RUNTIME;
1514 1605
1515 return unless $self->dirty; 1606 return unless $self->dirty;
1516 1607
1517 my $save = $self->{path}->save_path; utf8::encode $save; 1608 my $save = $self->save_path; utf8::encode $save;
1518 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1609 my $uniq = $self->uniq_path; utf8::encode $uniq;
1519 1610
1520 $self->{load_path} = $save; 1611 $self->{load_path} = $save;
1521 1612
1522 return if $self->{deny_save}; 1613 return if $self->{deny_save};
1523 1614
1526 cf::async { 1617 cf::async {
1527 $_->contr->save for $self->players; 1618 $_->contr->save for $self->players;
1528 }; 1619 };
1529 1620
1530 if ($uniq) { 1621 if ($uniq) {
1531 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1622 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532 $self->save_objects ($uniq, cf::IO_UNIQUES); 1623 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1533 } else { 1624 } else {
1534 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1625 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535 } 1626 }
1536} 1627}
1537 1628
1538sub swap_out { 1629sub swap_out {
1539 my ($self) = @_; 1630 my ($self) = @_;
1553 1644
1554sub reset_at { 1645sub reset_at {
1555 my ($self) = @_; 1646 my ($self) = @_;
1556 1647
1557 # TODO: safety, remove and allow resettable per-player maps 1648 # TODO: safety, remove and allow resettable per-player maps
1558 return 1e99 if $self->{path}{user_rel}; 1649 return 1e99 if $self->isa ("ext::map_per_player");#d#
1559 return 1e99 if $self->{deny_reset}; 1650 return 1e99 if $self->{deny_reset};
1560 1651
1561 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563 1654
1568 my ($self) = @_; 1659 my ($self) = @_;
1569 1660
1570 $self->reset_at <= $cf::RUNTIME 1661 $self->reset_at <= $cf::RUNTIME
1571} 1662}
1572 1663
1573sub rename {
1574 my ($self, $new_path) = @_;
1575
1576 $self->{path}->unlink_save;
1577
1578 delete $cf::MAP{$self->path};
1579 $self->{path} = new cf::path $new_path;
1580 $self->path ($self->{path}->as_string);
1581 $cf::MAP{$self->path} = $self;
1582
1583 $self->save;
1584}
1585
1586sub reset { 1664sub reset {
1587 my ($self) = @_; 1665 my ($self) = @_;
1588 1666
1589 my $lock = cf::lock_acquire "map_data:" . $self->path; 1667 my $lock = cf::lock_acquire "map_data:$self->{path}";
1590 1668
1591 return if $self->players; 1669 return if $self->players;
1592 return if $self->{path}{user_rel};#d# 1670 return if $self->isa ("ext::map_per_player");#d#
1593 1671
1594 warn "resetting map ", $self->path;#d# 1672 warn "resetting map ", $self->path;#d#
1595 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
1596 delete $cf::MAP{$self->path}; 1684 delete $cf::MAP{$self->path};
1597 1685
1686 $self->clear;
1687
1598 $_->clear_links_to ($self) for values %cf::MAP; 1688 $_->clear_links_to ($self) for values %cf::MAP;
1599 1689
1600 $self->{path}->unlink_save; 1690 $self->unlink_save;
1601 $self->destroy; 1691 $self->destroy;
1602} 1692}
1603 1693
1604my $nuke_counter = "aaaa"; 1694my $nuke_counter = "aaaa";
1605 1695
1606sub nuke { 1696sub nuke {
1607 my ($self) = @_; 1697 my ($self) = @_;
1608 1698
1699 delete $cf::MAP{$self->path};
1700
1701 $self->unlink_save;
1702
1703 bless $self, "cf::map";
1704 delete $self->{deny_reset};
1609 $self->{deny_save} = 1; 1705 $self->{deny_save} = 1;
1610 $self->reset_timeout (1); 1706 $self->reset_timeout (1);
1611 $self->rename ("{nuke}/" . ($nuke_counter++)); 1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708
1709 $cf::MAP{$self->path} = $self;
1710
1612 $self->reset; # polite request, might not happen 1711 $self->reset; # polite request, might not happen
1613} 1712}
1614 1713
1615=item cf::map::unique_maps 1714=item cf::map::unique_maps
1616 1715
1617Returns an arrayref of cf::path's of all shared maps that have 1716Returns an arrayref of paths of all shared maps that have
1618instantiated unique items. May block. 1717instantiated unique items. May block.
1619 1718
1620=cut 1719=cut
1621 1720
1622sub unique_maps() { 1721sub unique_maps() {
1628 for (@$files) { 1727 for (@$files) {
1629 utf8::decode $_; 1728 utf8::decode $_;
1630 next if /\.pst$/; 1729 next if /\.pst$/;
1631 next unless /^$PATH_SEP/o; 1730 next unless /^$PATH_SEP/o;
1632 1731
1633 push @paths, new cf::path $_; 1732 push @paths, cf::map::normalise $_;
1634 } 1733 }
1635 1734
1636 \@paths 1735 \@paths
1637} 1736}
1638 1737
1713 1812
1714=item $player_object->enter_link 1813=item $player_object->enter_link
1715 1814
1716Freezes 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}>).
1717 1816
1718The 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
1719I<MUST> call C<leave_link> as soon as possible, though. 1818I<MUST> call C<leave_link> as soon as possible, though.
1720 1819
1820Will never block.
1821
1721=item $player_object->leave_link ($map, $x, $y) 1822=item $player_object->leave_link ($map, $x, $y)
1722 1823
1723Moves the player out of the specila link map onto the given map. If the 1824Moves the player out of the special C<{link}> map onto the specified
1724map is not valid (or omitted), the player will be moved back to the 1825map. If the map is not valid (or omitted), the player will be moved back
1725location he/she was before the call to C<enter_link>, or, if that fails, 1826to the location he/she was before the call to C<enter_link>, or, if that
1726to the emergency map position. 1827fails, to the emergency map position.
1727 1828
1728Might block. 1829Might block.
1729 1830
1730=cut 1831=cut
1832
1833sub link_map {
1834 unless ($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 $LINK_MAP
1841}
1731 1842
1732sub cf::object::player::enter_link { 1843sub cf::object::player::enter_link {
1733 my ($self) = @_; 1844 my ($self) = @_;
1734 1845
1735 $self->deactivate_recursive; 1846 $self->deactivate_recursive;
1736 1847
1737 return if $self->map == $LINK_MAP; 1848 return if UNIVERSAL::isa $self->map, "ext::map_link";
1738 1849
1739 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740 if $self->map; 1851 if $self->map;
1741 1852
1742 $self->enter_map ($LINK_MAP, 20, 20); 1853 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1743} 1854}
1744 1855
1745sub cf::object::player::leave_link { 1856sub cf::object::player::leave_link {
1746 my ($self, $map, $x, $y) = @_; 1857 my ($self, $map, $x, $y) = @_;
1747 1858
1769 $map->load; 1880 $map->load;
1770 $map->load_diag; 1881 $map->load_diag;
1771 1882
1772 return unless $self->contr->active; 1883 return unless $self->contr->active;
1773 $self->activate_recursive; 1884 $self->activate_recursive;
1885
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774 $self->enter_map ($map, $x, $y); 1887 $self->enter_map ($map, $x, $y);
1775} 1888}
1776 1889
1777cf::player->attach ( 1890cf::player->attach (
1778 on_logout => sub { 1891 on_logout => sub {
1791 # try to abort aborted map switching on player login :) 1904 # try to abort aborted map switching on player login :)
1792 # should happen only on crashes 1905 # should happen only on crashes
1793 if ($pl->ob->{_link_pos}) { 1906 if ($pl->ob->{_link_pos}) {
1794 $pl->ob->enter_link; 1907 $pl->ob->enter_link;
1795 (async { 1908 (async {
1796 # we need this sleep as the login has a concurrent enter_exit running
1797 # and this sleep increases chances of the player not ending up in scorn
1798 $pl->ob->reply (undef, 1909 $pl->ob->reply (undef,
1799 "There was an internal problem at your last logout, " 1910 "There was an internal problem at your last logout, "
1800 . "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.",
1801 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
1802 Coro::Timer::sleep 1; 1915 Coro::Timer::sleep 1;
1803 $pl->ob->leave_link; 1916 $pl->ob->leave_link;
1804 })->prio (2); 1917 })->prio (2);
1805 } 1918 }
1806 }, 1919 },
1811=cut 1924=cut
1812 1925
1813sub cf::object::player::goto { 1926sub cf::object::player::goto {
1814 my ($self, $path, $x, $y) = @_; 1927 my ($self, $path, $x, $y) = @_;
1815 1928
1816 $path = new cf::path $path;
1817
1818 $self->enter_link; 1929 $self->enter_link;
1819 1930
1820 (async { 1931 (async {
1932 my $map = eval {
1821 my $map = cf::map::find $path->as_string; 1933 my $map = cf::map::find $path;
1822 $map = $map->{path}->customise_for ($map, $self) if $map; 1934 $map = $map->customise_for ($self) if $map;
1823 1935 $map
1824# warn "entering ", $map->path, " at ($x, $y)\n" 1936 } or
1825# if $map;
1826
1827 $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);
1828 1938
1829 $self->leave_link ($map, $x, $y); 1939 $self->leave_link ($map, $x, $y);
1830 })->prio (1); 1940 })->prio (1);
1831} 1941}
1832 1942
1836 1946
1837sub parse_random_map_params { 1947sub parse_random_map_params {
1838 my ($spec) = @_; 1948 my ($spec) = @_;
1839 1949
1840 my $rmp = { # defaults 1950 my $rmp = { # defaults
1841 xsize => 10, 1951 xsize => (cf::rndm 15, 40),
1842 ysize => 10, 1952 ysize => (cf::rndm 15, 40),
1953 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1954 #layout => string,
1843 }; 1955 };
1844 1956
1845 for (split /\n/, $spec) { 1957 for (split /\n/, $spec) {
1846 my ($k, $v) = split /\s+/, $_, 2; 1958 my ($k, $v) = split /\s+/, $_, 2;
1847 1959
1851 $rmp 1963 $rmp
1852} 1964}
1853 1965
1854sub prepare_random_map { 1966sub prepare_random_map {
1855 my ($exit) = @_; 1967 my ($exit) = @_;
1968
1969 my $guard = cf::lock_acquire "exit_prepare:$exit";
1856 1970
1857 # all this does is basically replace the /! path by 1971 # all this does is basically replace the /! path by
1858 # a new random map path (?random/...) with a seed 1972 # a new random map path (?random/...) with a seed
1859 # that depends on the exit object 1973 # that depends on the exit object
1860 1974
1861 my $rmp = parse_random_map_params $exit->msg; 1975 my $rmp = parse_random_map_params $exit->msg;
1862 1976
1863 if ($exit->map) { 1977 if ($exit->map) {
1864 $rmp->{region} = $exit->map->region_name; 1978 $rmp->{region} = $exit->region->name;
1865 $rmp->{origin_map} = $exit->map->path; 1979 $rmp->{origin_map} = $exit->map->path;
1866 $rmp->{origin_x} = $exit->x; 1980 $rmp->{origin_x} = $exit->x;
1867 $rmp->{origin_y} = $exit->y; 1981 $rmp->{origin_y} = $exit->y;
1868 } 1982 }
1869 1983
1870 $rmp->{random_seed} ||= $exit->random_seed; 1984 $rmp->{random_seed} ||= $exit->random_seed;
1871 1985
1872 my $data = cf::to_json $rmp; 1986 my $data = cf::to_json $rmp;
1873 my $md5 = Digest::MD5::md5_hex $data; 1987 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1874 1989
1875 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) {
1876 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;
1877 1994
1878 $exit->slaying ("?random/$md5"); 1995 $exit->slaying ("?random/$md5");
1879 $exit->msg (undef); 1996 $exit->msg (undef);
1880 } 1997 }
1881} 1998}
1882 1999
1883sub cf::object::player::enter_exit { 2000sub cf::object::player::enter_exit {
1884 my ($self, $exit) = @_; 2001 my ($self, $exit) = @_;
1885 2002
1886 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;
1887 2015
1888 $self->enter_link; 2016 $self->enter_link;
1889 2017
1890 (async { 2018 (async {
1891 $self->deactivate_recursive; # just to be sure 2019 $self->deactivate_recursive; # just to be sure
1892 unless (eval { 2020 unless (eval {
1893 prepare_random_map $exit 2021 $self->goto ($slaying, $hp, $sp);
1894 if $exit->slaying eq "/!";
1895
1896 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898 2022
1899 1; 2023 1;
1900 }) { 2024 }) {
1901 $self->message ("Something went wrong deep within the crossfire server. " 2025 $self->message ("Something went wrong deep within the crossfire server. "
1902 . "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. "
1903 . "Please report this to the dungeon master!", 2027 . "Please report this to the dungeon master!",
1904 cf::NDI_UNIQUE | cf::NDI_RED); 2028 cf::NDI_UNIQUE | cf::NDI_RED);
1905 2029
1906 warn "ERROR in enter_exit: $@"; 2030 warn "ERROR in enter_exit: $@";
1907 $self->leave_link; 2031 $self->leave_link;
1908 } 2032 }
1909 })->prio (1); 2033 })->prio (1);
1922 2046
1923sub cf::client::send_drawinfo { 2047sub cf::client::send_drawinfo {
1924 my ($self, $text, $flags) = @_; 2048 my ($self, $text, $flags) = @_;
1925 2049
1926 utf8::encode $text; 2050 utf8::encode $text;
1927 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928} 2052}
1929 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}
1930 2066
1931=item $success = $client->query ($flags, "text", \&cb) 2067=item $success = $client->query ($flags, "text", \&cb)
1932 2068
1933Queues a query to the client, calling the given callback with 2069Queues a query to the client, calling the given callback with
1934the 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>,
1963 # get handled first 2099 # get handled first
1964 my $queue = delete $ns->{query_queue} 2100 my $queue = delete $ns->{query_queue}
1965 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
1966 2102
1967 (shift @$queue)->[1]->($msg); 2103 (shift @$queue)->[1]->($msg);
2104 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968 2105
1969 push @{ $ns->{query_queue} }, @$queue; 2106 push @{ $ns->{query_queue} }, @$queue;
1970 2107
1971 if (@{ $ns->{query_queue} } == @$queue) { 2108 if (@{ $ns->{query_queue} } == @$queue) {
1972 if (@$queue) { 2109 if (@$queue) {
2030 2167
2031# here we export the classes and methods available to script code 2168# here we export the classes and methods available to script code
2032 2169
2033=pod 2170=pod
2034 2171
2035The following fucntions and emthods are available within a safe environment: 2172The following functions and methods are available within a safe environment:
2036 2173
2037 cf::object contr pay_amount pay_player map 2174 cf::object contr pay_amount pay_player map
2038 cf::object::player player 2175 cf::object::player player
2039 cf::player peaceful 2176 cf::player peaceful
2040 cf::map trigger 2177 cf::map trigger
2133The 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
2134using it, it should be unique. 2271using it, it should be unique.
2135 2272
2136=over 4 2273=over 4
2137 2274
2138=item $hashref = cf::db_get $family
2139
2140Return a hashref for use by the extension C<$family>, which can be
2141modified. After modifications, you have to call C<cf::db_dirty> or
2142C<cf::db_sync>.
2143
2144=item $value = cf::db_get $family => $key 2275=item $value = cf::db_get $family => $key
2145 2276
2146Returns a single value from the database 2277Returns a single value from the database.
2147
2148=item cf::db_put $family => $hashref
2149
2150Stores the given family hashref into the database. Updates are delayed, if
2151you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152 2278
2153=item cf::db_put $family => $key => $value 2279=item cf::db_put $family => $key => $value
2154 2280
2155Stores the given C<$value> in the family hash. Updates are delayed, if you 2281Stores the given C<$value> in the family.
2156want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158=item cf::db_dirty
2159
2160Marks the database as dirty, to be updated at a later time.
2161
2162=item cf::db_sync
2163
2164Immediately write the database to disk I<if it is dirty>.
2165 2282
2166=cut 2283=cut
2167 2284
2168our $DB; 2285our $DB;
2169 2286
2170{ 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
2171 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;
2172 2306
2173 sub db_load() { 2307 cf::db_put (board => data => $pst->{board});
2174 $DB = stat $path ? Storable::retrieve $path : { }; 2308 cf::db_put (guildrules => data => $pst->{guildrules});
2175 } 2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
2176 2311
2177 my $pid; 2312 unlink $path;
2178
2179 sub db_save() {
2180 waitpid $pid, 0 if $pid;
2181 if (0 == ($pid = fork)) {
2182 $DB->{_meta}{version} = 1;
2183 Storable::nstore $DB, "$path~";
2184 rename "$path~", $path;
2185 cf::_exit 0 if defined $pid;
2186 } 2313 };
2187 }
2188
2189 my $dirty;
2190
2191 sub db_sync() {
2192 db_save if $dirty;
2193 undef $dirty;
2194 }
2195
2196 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197 db_sync;
2198 });
2199
2200 sub db_dirty() {
2201 $dirty = 1;
2202 $idle->start;
2203 }
2204
2205 sub db_get($;$) {
2206 @_ >= 2
2207 ? $DB->{$_[0]}{$_[1]}
2208 : ($DB->{$_[0]} ||= { })
2209 }
2210
2211 sub db_put($$;$) {
2212 if (@_ >= 3) {
2213 $DB->{$_[0]}{$_[1]} = $_[2];
2214 } else {
2215 $DB->{$_[0]} = $_[1];
2216 }
2217 db_dirty;
2218 }
2219
2220 cf::global->attach (
2221 prio => 10000,
2222 on_cleanup => sub {
2223 db_sync;
2224 }, 2314 }
2225 ); 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 { };
2226} 2332}
2227 2333
2228############################################################################# 2334#############################################################################
2229# 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}
2230 2399
2231sub cfg_load { 2400sub cfg_load {
2232 open my $fh, "<:utf8", cf::confdir . "/config" 2401 open my $fh, "<:utf8", cf::confdir . "/config"
2233 or return; 2402 or return;
2234 2403
2251 2420
2252sub main { 2421sub main {
2253 # we must not ever block the main coroutine 2422 # we must not ever block the main coroutine
2254 local $Coro::idle = sub { 2423 local $Coro::idle = sub {
2255 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 {
2256 async { Event::one_event }; 2426 Event::one_event;
2427 })->prio (Coro::PRIO_MAX);
2257 }; 2428 };
2258 2429
2259 cfg_load; 2430 cfg_load;
2260 db_load; 2431 db_init;
2261 load_extensions; 2432 load_extensions;
2433
2434 $TICK_WATCHER->start;
2262 Event::loop; 2435 Event::loop;
2263} 2436}
2264 2437
2265############################################################################# 2438#############################################################################
2266# initialisation and cleanup 2439# initialisation and cleanup
2267 2440
2268# install some emergency cleanup handlers 2441# install some emergency cleanup handlers
2269BEGIN { 2442BEGIN {
2270 for my $signal (qw(INT HUP TERM)) { 2443 for my $signal (qw(INT HUP TERM)) {
2271 Event->signal ( 2444 Event->signal (
2445 reentrant => 0,
2272 data => WF_AUTOCANCEL, 2446 data => WF_AUTOCANCEL,
2273 signal => $signal, 2447 signal => $signal,
2448 prio => 0,
2274 cb => sub { 2449 cb => sub {
2275 cf::cleanup "SIG$signal"; 2450 cf::cleanup "SIG$signal";
2276 }, 2451 },
2277 ); 2452 );
2278 } 2453 }
2279} 2454}
2284 warn "enter emergency perl save\n"; 2459 warn "enter emergency perl save\n";
2285 2460
2286 cf::sync_job { 2461 cf::sync_job {
2287 # use a peculiar iteration method to avoid tripping on perl 2462 # use a peculiar iteration method to avoid tripping on perl
2288 # refcount bugs in for. also avoids problems with players 2463 # refcount bugs in for. also avoids problems with players
2289 # and maps saved/Destroyed asynchronously. 2464 # and maps saved/destroyed asynchronously.
2290 warn "begin emergency player save\n"; 2465 warn "begin emergency player save\n";
2291 for my $login (keys %cf::PLAYER) { 2466 for my $login (keys %cf::PLAYER) {
2292 my $pl = $cf::PLAYER{$login} or next; 2467 my $pl = $cf::PLAYER{$login} or next;
2293 $pl->valid or next; 2468 $pl->valid or next;
2294 $pl->save; 2469 $pl->save;
2300 my $map = $cf::MAP{$path} or next; 2475 my $map = $cf::MAP{$path} or next;
2301 $map->valid or next; 2476 $map->valid or next;
2302 $map->save; 2477 $map->save;
2303 } 2478 }
2304 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 $DB_ENV;
2483 warn "end emergency database checkpoint\n";
2305 }; 2484 };
2306 2485
2307 warn "leave emergency perl save\n"; 2486 warn "leave emergency perl save\n";
2487}
2488
2489sub post_cleanup {
2490 my ($make_core) = @_;
2491
2492 warn Carp::longmess "post_cleanup backtrace"
2493 if $make_core;
2308} 2494}
2309 2495
2310sub reload() { 2496sub reload() {
2311 # can/must only be called in main 2497 # can/must only be called in main
2312 if ($Coro::current != $Coro::main) { 2498 if ($Coro::current != $Coro::main) {
2313 warn "can only reload from main coroutine\n"; 2499 warn "can only reload from main coroutine";
2314 return; 2500 return;
2315 } 2501 }
2316 2502
2317 warn "reloading..."; 2503 warn "reloading...";
2318 2504
2319 warn "freezing server"; 2505 warn "entering sync_job";
2320 my $guard = freeze_mainloop; 2506
2507 cf::sync_job {
2508 cf::write_runtime; # external watchdog should not bark
2321 cf::emergency_save; 2509 cf::emergency_save;
2510 cf::write_runtime; # external watchdog should not bark
2322 2511
2323 warn "sync database to disk"; 2512 warn "syncing database to disk";
2324 cf::db_sync; 2513 BDB::db_env_txn_checkpoint $DB_ENV;
2325 IO::AIO::flush;
2326 2514
2327 eval {
2328 # 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
2329 2516
2330 warn "cancel all watchers"; 2517 warn "cancelling all WF_AUTOCANCEL watchers";
2331 for (Event::all_watchers) { 2518 for (Event::all_watchers) {
2332 $_->cancel if $_->data & WF_AUTOCANCEL; 2519 $_->cancel if $_->data & WF_AUTOCANCEL;
2333 } 2520 }
2334 2521
2522 warn "flushing outstanding aio requests";
2523 for (;;) {
2524 BDB::flush;
2525 IO::AIO::flush;
2526 Coro::cede;
2527 last unless IO::AIO::nreqs || BDB::nreqs;
2528 warn "iterate...";
2529 }
2530
2531 ++$RELOAD;
2532
2335 warn "cancel all extension coros"; 2533 warn "cancelling all extension coros";
2336 $_->cancel for values %EXT_CORO; 2534 $_->cancel for values %EXT_CORO;
2337 %EXT_CORO = (); 2535 %EXT_CORO = ();
2338 2536
2339 warn "remove commands"; 2537 warn "removing commands";
2340 %COMMAND = (); 2538 %COMMAND = ();
2341 2539
2342 warn "remove ext commands"; 2540 warn "removing ext commands";
2343 %EXTCMD = (); 2541 %EXTCMD = ();
2344 2542
2345 warn "unload/nuke all extensions"; 2543 warn "unloading/nuking all extensions";
2346 for my $pkg (@EXTS) { 2544 for my $pkg (@EXTS) {
2347 warn "... unloading $pkg"; 2545 warn "... unloading $pkg";
2348 2546
2349 if (my $cb = $pkg->can ("unload")) { 2547 if (my $cb = $pkg->can ("unload")) {
2350 eval { 2548 eval {
2355 2553
2356 warn "... nuking $pkg"; 2554 warn "... nuking $pkg";
2357 Symbol::delete_package $pkg; 2555 Symbol::delete_package $pkg;
2358 } 2556 }
2359 2557
2360 warn "unload all perl modules loaded from $LIBDIR"; 2558 warn "unloading all perl modules loaded from $LIBDIR";
2361 while (my ($k, $v) = each %INC) { 2559 while (my ($k, $v) = each %INC) {
2362 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2560 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363 2561
2364 warn "removing <$k>"; 2562 warn "... unloading $k";
2365 delete $INC{$k}; 2563 delete $INC{$k};
2366 2564
2367 $k =~ s/\.pm$//; 2565 $k =~ s/\.pm$//;
2368 $k =~ s/\//::/g; 2566 $k =~ s/\//::/g;
2369 2567
2372 } 2570 }
2373 2571
2374 Symbol::delete_package $k; 2572 Symbol::delete_package $k;
2375 } 2573 }
2376 2574
2377 warn "get rid of safe::, as good as possible"; 2575 warn "getting rid of safe::, as good as possible";
2378 Symbol::delete_package "safe::$_" 2576 Symbol::delete_package "safe::$_"
2379 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);
2380 2578
2381 warn "unload cf.pm \"a bit\""; 2579 warn "unloading cf.pm \"a bit\"";
2382 delete $INC{"cf.pm"}; 2580 delete $INC{"cf.pm"};
2383 2581
2384 # don't, removes xs symbols, too, 2582 # don't, removes xs symbols, too,
2385 # and global variables created in xs 2583 # and global variables created in xs
2386 #Symbol::delete_package __PACKAGE__; 2584 #Symbol::delete_package __PACKAGE__;
2387 2585
2586 warn "unload completed, starting to reload now";
2587
2388 warn "reloading cf.pm"; 2588 warn "reloading cf.pm";
2389 require cf; 2589 require cf;
2390 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2590 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391 2591
2392 warn "load config and database again"; 2592 warn "loading config and database again";
2393 cf::cfg_load; 2593 cf::cfg_load;
2394 cf::db_load;
2395 2594
2396 warn "load extensions"; 2595 warn "loading extensions";
2397 cf::load_extensions; 2596 cf::load_extensions;
2398 2597
2399 warn "reattach attachments to objects/players"; 2598 warn "reattaching attachments to objects/players";
2400 _global_reattach; 2599 _global_reattach; # objects, sockets
2401 warn "reattach attachments to maps"; 2600 warn "reattaching attachments to maps";
2402 reattach $_ for values %MAP; 2601 reattach $_ for values %MAP;
2403 }; 2602 warn "reattaching attachments to players";
2603 reattach $_ for values %PLAYER;
2404 2604
2405 if ($@) { 2605 warn "loading reloadable resources";
2606 reload_resources;
2607
2608 warn "leaving sync_job";
2609
2610 1
2611 } or do {
2406 warn $@; 2612 warn $@;
2407 warn "error while reloading, exiting."; 2613 warn "error while reloading, exiting.";
2408 exit 1; 2614 exit 1;
2409 } 2615 };
2410 2616
2411 warn "reloaded"; 2617 warn "reloaded";
2412}; 2618};
2413 2619
2414############################################################################# 2620our $RELOAD_WATCHER; # used only during reload
2415
2416unless ($LINK_MAP) {
2417 $LINK_MAP = cf::map::new;
2418
2419 $LINK_MAP->width (41);
2420 $LINK_MAP->height (41);
2421 $LINK_MAP->alloc;
2422 $LINK_MAP->path ("{link}");
2423 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426 # dirty hack because... archetypes are not yet loaded
2427 Event->timer (
2428 after => 10,
2429 cb => sub {
2430 $_[0]->w->cancel;
2431
2432 # provide some exits "home"
2433 my $exit = cf::object::new "exit";
2434
2435 $exit->slaying ($EMERGENCY_POSITION->[0]);
2436 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439 $LINK_MAP->insert ($exit->clone, 19, 19);
2440 $LINK_MAP->insert ($exit->clone, 19, 20);
2441 $LINK_MAP->insert ($exit->clone, 19, 21);
2442 $LINK_MAP->insert ($exit->clone, 20, 19);
2443 $LINK_MAP->insert ($exit->clone, 20, 21);
2444 $LINK_MAP->insert ($exit->clone, 21, 19);
2445 $LINK_MAP->insert ($exit->clone, 21, 20);
2446 $LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448 $exit->destroy;
2449 });
2450
2451 $LINK_MAP->{deny_save} = 1;
2452 $LINK_MAP->{deny_reset} = 1;
2453
2454 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455}
2456 2621
2457register_command "reload" => sub { 2622register_command "reload" => sub {
2458 my ($who, $arg) = @_; 2623 my ($who, $arg) = @_;
2459 2624
2460 if ($who->flag (FLAG_WIZ)) { 2625 if ($who->flag (FLAG_WIZ)) {
2461 $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 {
2462 reload; 2636 reload;
2463 $who->message ("end of reload."); 2637 undef $RELOAD_WATCHER;
2638 },
2639 );
2464 } 2640 }
2465}; 2641};
2466 2642
2467unshift @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 $signal->wait;
2660}
2468 2661
2469$TICK_WATCHER = Event->timer ( 2662$TICK_WATCHER = Event->timer (
2470 reentrant => 0, 2663 reentrant => 0,
2664 parked => 1,
2471 prio => 0, 2665 prio => 0,
2472 at => $NEXT_TICK || $TICK, 2666 at => $NEXT_TICK || $TICK,
2473 data => WF_AUTOCANCEL, 2667 data => WF_AUTOCANCEL,
2474 cb => sub { 2668 cb => sub {
2669 if ($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
2475 $NOW = Event::time; 2675 $NOW = Event::time;
2476 2676
2477 cf::server_tick; # one server iteration 2677 cf::server_tick; # one server iteration
2478 $RUNTIME += $TICK; 2678 $RUNTIME += $TICK;
2479 $NEXT_TICK += $TICK; 2679 $NEXT_TICK += $TICK;
2480 2680
2481 $WAIT_FOR_TICK->broadcast; 2681 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482 $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#
2483 2698
2484 # 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
2485 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2700 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486 2701
2487 $TICK_WATCHER->at ($NEXT_TICK); 2702 $TICK_WATCHER->at ($NEXT_TICK);
2488 $TICK_WATCHER->start; 2703 $TICK_WATCHER->start;
2489 }, 2704 },
2490); 2705);
2491 2706
2707{
2492IO::AIO::max_poll_time $TICK * 0.2; 2708 BDB::max_poll_time $TICK * 0.1;
2493 2709 $BDB_POLL_WATCHER = Event->io (
2494Event->io ( 2710 reentrant => 0,
2495 fd => IO::AIO::poll_fileno, 2711 fd => BDB::poll_fileno,
2496 poll => 'r', 2712 poll => 'r',
2497 prio => 5, 2713 prio => 0,
2498 data => WF_AUTOCANCEL,
2499 cb => \&IO::AIO::poll_cb,
2500);
2501
2502Event->timer (
2503 data => WF_AUTOCANCEL, 2714 data => WF_AUTOCANCEL,
2504 after => 0, 2715 cb => \&BDB::poll_cb,
2505 interval => 10, 2716 );
2506 cb => sub { 2717 BDB::min_parallel 8;
2507 (Coro::unblock_sub { 2718
2508 write_runtime 2719 BDB::set_sync_prepare {
2509 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 $@;
2510 })->(); 2753 };
2511 }, 2754 }
2512); 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}
2513 2771
2514END { cf::emergency_save } 2772END { cf::emergency_save }
2515 2773
25161 27741
2517 2775

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