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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.249 by root, Wed Apr 18 12:43:54 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 3.61 ();
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; # this is a CONSTANT(!)
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 $path
478}
479
480# the original (read-only) location
481sub load_path {
482 my ($self) = @_;
483
484 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485}
486
487# the temporary/swap location
488sub save_path {
489 my ($self) = @_;
490
491 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494}
495
496# the unique path, undef == no special unique path
497sub uniq_path {
498 my ($self) = @_;
499
500 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501}
502
503# this is somewhat ugly, but style maps do need special treatment
504sub is_style_map {
505 $_[0]{path} =~ m{^/styles/}
506}
507
508sub load_orig {
509 my ($self) = @_;
510
511 &cf::map::load_map_header ($self->load_path)
512}
513
514sub load_temp {
515 my ($self) = @_;
516
517 &cf::map::load_map_header ($self->save_path)
518}
519
520package cf;
521 390
522############################################################################# 391#############################################################################
523 392
524=head2 ATTACHABLE OBJECTS 393=head2 ATTACHABLE OBJECTS
525 394
651our @CB_TYPE = (); # registry for type (cf-object class) based events 520our @CB_TYPE = (); # registry for type (cf-object class) based events
652our @CB_MAP = (); 521our @CB_MAP = ();
653 522
654my %attachment; 523my %attachment;
655 524
525sub cf::attachable::thawer_merge {
526 # simply override everything except _meta
527 local $_[0]{_meta};
528 %{$_[0]} = %{$_[1]};
529}
530
656sub _attach_cb($$$$) { 531sub _attach_cb($$$$) {
657 my ($registry, $event, $prio, $cb) = @_; 532 my ($registry, $event, $prio, $cb) = @_;
658 533
659 use sort 'stable'; 534 use sort 'stable';
660 535
831# object support 706# object support
832 707
833sub reattach { 708sub reattach {
834 # basically do the same as instantiate, without calling instantiate 709 # basically do the same as instantiate, without calling instantiate
835 my ($obj) = @_; 710 my ($obj) = @_;
711
712 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836 713
837 my $registry = $obj->registry; 714 my $registry = $obj->registry;
838 715
839 @$registry = (); 716 @$registry = ();
840 717
887 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
888 765
889 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
891 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
893 close $fh; 770 close $fh;
894 771
895 if (@$objs) { 772 if (@$objs) {
896 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) {
897 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
898 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
899 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
900 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
901 close $fh; 778 close $fh;
902 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
903 } 780 }
904 } else { 781 } else {
905 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
1027 "package $pkg; use strict; use utf8;\n" 904 "package $pkg; use strict; use utf8;\n"
1028 . "#line 1 \"$path\"\n{\n" 905 . "#line 1 \"$path\"\n{\n"
1029 . (do { local $/; <$fh> }) 906 . (do { local $/; <$fh> })
1030 . "\n};\n1"; 907 . "\n};\n1";
1031 908
1032 eval $source 909 unless (eval $source) {
1033 or die $@ ? "$path: $@\n" 910 my $msg = $@ ? "$path: $@\n"
1034 : "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 }
1035 919
1036 push @EXTS, $pkg; 920 push @EXTS, $pkg;
1037} 921}
1038 922
1039sub load_extensions { 923sub load_extensions {
1045 } or warn "$ext not loaded: $@"; 929 } or warn "$ext not loaded: $@";
1046 } 930 }
1047} 931}
1048 932
1049############################################################################# 933#############################################################################
1050# load/save/clean perl data associated with a map
1051
1052*cf::mapsupport::on_clean = sub {
1053 my ($map) = @_;
1054
1055 my $path = $map->tmpname;
1056 defined $path or return;
1057
1058 unlink "$path.pst";
1059};
1060
1061cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063#############################################################################
1064 934
1065=head2 CORE EXTENSIONS 935=head2 CORE EXTENSIONS
1066 936
1067Functions and methods that extend core crossfire objects. 937Functions and methods that extend core crossfire objects.
1068 938
1091} 961}
1092 962
1093sub path($) { 963sub path($) {
1094 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095 965
1096 (playerdir $login) . "/$login.pl" 966 (playerdir $login) . "/playerdata"
1097} 967}
1098 968
1099sub find_active($) { 969sub find_active($) {
1100 $cf::PLAYER{$_[0]} 970 $cf::PLAYER{$_[0]}
1101 and $cf::PLAYER{$_[0]}->active 971 and $cf::PLAYER{$_[0]}->active
1104 974
1105sub exists($) { 975sub exists($) {
1106 my ($login) = @_; 976 my ($login) = @_;
1107 977
1108 $cf::PLAYER{$login} 978 $cf::PLAYER{$login}
1109 or cf::sync_job { !aio_stat $login } 979 or cf::sync_job { !aio_stat path $login }
1110} 980}
1111 981
1112sub find($) { 982sub find($) {
1113 return $cf::PLAYER{$_[0]} || do { 983 return $cf::PLAYER{$_[0]} || do {
1114 my $login = $_[0]; 984 my $login = $_[0];
1115 985
1116 my $guard = cf::lock_acquire "user_find:$login"; 986 my $guard = cf::lock_acquire "user_find:$login";
1117 987
1118 $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
1119 my $pl = load_pl path $login 996 my $pl = load_pl path $login
1120 or return; 997 or return;
1121 $cf::PLAYER{$login} = $pl 998 $cf::PLAYER{$login} = $pl
1122 } 999 }
1123 } 1000 }
1160 1037
1161=cut 1038=cut
1162 1039
1163sub quit_character { 1040sub quit_character {
1164 my ($pl) = @_; 1041 my ($pl) = @_;
1042
1043 my $name = $pl->ob->name;
1165 1044
1166 $pl->{deny_save} = 1; 1045 $pl->{deny_save} = 1;
1167 $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
1168 1047
1169 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1174 my $path = playerdir $pl; 1053 my $path = playerdir $pl;
1175 my $temp = "$path~$cf::RUNTIME~deleting~"; 1054 my $temp = "$path~$cf::RUNTIME~deleting~";
1176 aio_rename $path, $temp; 1055 aio_rename $path, $temp;
1177 delete $cf::PLAYER{$pl->ob->name}; 1056 delete $cf::PLAYER{$pl->ob->name};
1178 $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
1179 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;
1180} 1079}
1181 1080
1182=item cf::player::list_logins 1081=item cf::player::list_logins
1183 1082
1184Returns 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
1204 \@logins 1103 \@logins
1205} 1104}
1206 1105
1207=item $player->maps 1106=item $player->maps
1208 1107
1209Returns 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
1210player. May block. 1109player. May block.
1211 1110
1212=cut 1111=cut
1213 1112
1214sub maps($) { 1113sub maps($) {
1215 my ($pl) = @_; 1114 my ($pl) = @_;
1115
1116 $pl = ref $pl ? $pl->ob->name : $pl;
1216 1117
1217 my $files = aio_readdir playerdir $pl 1118 my $files = aio_readdir playerdir $pl
1218 or return; 1119 or return;
1219 1120
1220 my @paths; 1121 my @paths;
1222 for (@$files) { 1123 for (@$files) {
1223 utf8::decode $_; 1124 utf8::decode $_;
1224 next if /\.(?:pl|pst)$/; 1125 next if /\.(?:pl|pst)$/;
1225 next unless /^$PATH_SEP/o; 1126 next unless /^$PATH_SEP/o;
1226 1127
1227 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1128 push @paths, cf::map::normalise "~$pl/$_";
1228 } 1129 }
1229 1130
1230 \@paths 1131 \@paths
1231} 1132}
1232 1133
1233=item $player->ext_reply ($msgid, $msgtype, %msg) 1134=item $player->ext_reply ($msgid, %msg)
1234 1135
1235Sends an ext reply to the player. 1136Sends an ext reply to the player.
1236 1137
1237=cut 1138=cut
1238 1139
1239sub ext_reply($$$%) { 1140sub ext_reply($$%) {
1240 my ($self, $id, %msg) = @_; 1141 my ($self, $id, %msg) = @_;
1241 1142
1242 $msg{msgid} = $id; 1143 $msg{msgid} = $id;
1243 1144
1244 $self->send ("ext " . cf::to_json \%msg); 1145 $self->send ("ext " . cf::to_json \%msg);
1245} 1146}
1246 1147
1247package cf; 1148=item $player->ext_event ($type, %msg)
1149
1150Sends an ext event to the client.
1151
1152=cut
1153
1154sub ext_event($$%) {
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}
1248 1188
1249=back 1189=back
1250
1251 1190
1252=head3 cf::map 1191=head3 cf::map
1253 1192
1254=over 4 1193=over 4
1255 1194
1258package cf::map; 1197package cf::map;
1259 1198
1260use Fcntl; 1199use Fcntl;
1261use Coro::AIO; 1200use Coro::AIO;
1262 1201
1202use overload
1203 '""' => \&as_string,
1204 fallback => 1;
1205
1263our $MAX_RESET = 3600; 1206our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1207our $DEFAULT_RESET = 3000;
1265 1208
1266sub generate_random_map { 1209sub generate_random_map {
1267 my ($path, $rmp) = @_; 1210 my ($self, $rmp) = @_;
1268
1269 # mit "rum" bekleckern, nicht 1211 # mit "rum" bekleckern, nicht
1270 cf::map::_create_random_map 1212 $self->_create_random_map (
1271 $path,
1272 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1213 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1214 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1215 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275 $rmp->{exit_on_final_map}, 1216 $rmp->{exit_on_final_map},
1276 $rmp->{xsize}, $rmp->{ysize}, 1217 $rmp->{xsize}, $rmp->{ysize},
1277 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1218 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1219 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1220 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280 $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},
1281 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1222 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282 (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
1283} 1354}
1284 1355
1285# and all this just because we cannot iterate over 1356# and all this just because we cannot iterate over
1286# all maps in C++... 1357# all maps in C++...
1287sub change_all_map_light { 1358sub change_all_map_light {
1289 1360
1290 $_->change_map_light ($change) 1361 $_->change_map_light ($change)
1291 for grep $_->outdoor, values %cf::MAP; 1362 for grep $_->outdoor, values %cf::MAP;
1292} 1363}
1293 1364
1365sub unlink_save {
1366 my ($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
1294sub load_map_header($) { 1373sub load_header_from($) {
1295 my ($path) = @_; 1374 my ($self, $path) = @_;
1296 1375
1297 utf8::encode $path; 1376 utf8::encode $path;
1298 aio_open $path, O_RDONLY, 0 1377 #aio_open $path, O_RDONLY, 0
1378 # or return;
1379
1380 $self->_load_header ($path)
1299 or return; 1381 or return;
1300 1382
1301 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
1302 or return; 1426 or return;
1427 $self->prepare_orig;
1428 }
1303 1429
1304 # for better error messages only, will be overwritten later 1430 $self->default_region (cf::region::find_by_path $self->{path})
1305 $map->path ($path); 1431 unless $self->default_region;
1306 1432
1307 $map->load_header ($path) 1433 1
1308 or return;
1309
1310 $map->{load_path} = $path;
1311
1312 $map
1313} 1434}
1314 1435
1315sub find; 1436sub find;
1316sub find { 1437sub find {
1317 my ($path, $origin) = @_; 1438 my ($path, $origin) = @_;
1318 1439
1319 #warn "find<$path,$origin>\n";#d#
1320
1321 $path = new cf::path $path, $origin && $origin->path; 1440 $path = normalise $path, $origin && $origin->path;
1322 my $key = $path->as_string;
1323 1441
1324 cf::lock_wait "map_find:$key"; 1442 cf::lock_wait "map_find:$path";
1325 1443
1326 $cf::MAP{$key} || do { 1444 $cf::MAP{$path} || do {
1327 my $guard = cf::lock_acquire "map_find:$key"; 1445 my $guard = cf::lock_acquire "map_find:$path";
1328 1446 my $map = new_from_path cf::map $path
1329 # do it the slow way
1330 my $map = $path->load_temp;
1331
1332 Coro::cede;
1333
1334 if ($map) {
1335 $map->last_access ((delete $map->{last_access})
1336 || $cf::RUNTIME); #d#
1337 # safety
1338 $map->{instantiate_time} = $cf::RUNTIME
1339 if $map->{instantiate_time} > $cf::RUNTIME;
1340 } else {
1341 $map = $path->load_orig
1342 or return; 1447 or return;
1343 1448
1344 $map->{load_original} = 1;
1345 $map->{instantiate_time} = $cf::RUNTIME;
1346 $map->last_access ($cf::RUNTIME);
1347 $map->instantiate;
1348
1349 # per-player maps become, after loading, normal maps
1350 $map->per_player (0) if $path->{user_rel};
1351 }
1352
1353 $map->path ($key);
1354 $map->{path} = $path;
1355 $map->{last_save} = $cf::RUNTIME; 1449 $map->{last_save} = $cf::RUNTIME;
1356 1450
1357 Coro::cede; 1451 $map->load_header
1452 or return;
1358 1453
1359 if ($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;
1360 $map->reset; 1457 $map->reset;
1361 undef $guard; 1458 undef $guard;
1362 $map = find $path 1459 return find $path;
1363 or return;
1364 } 1460 }
1365 1461
1366 $cf::MAP{$key} = $map 1462 $cf::MAP{$path} = $map
1367 } 1463 }
1368} 1464}
1465
1466sub pre_load { }
1467sub post_load { }
1369 1468
1370sub load { 1469sub load {
1371 my ($self) = @_; 1470 my ($self) = @_;
1372 1471
1472 local $self->{deny_reset} = 1; # loading can take a long time
1473
1373 my $path = $self->{path}; 1474 my $path = $self->{path};
1374 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1475 my $guard = cf::lock_acquire "map_load:$path";
1375 1476
1376 return if $self->in_memory != cf::MAP_SWAPPED; 1477 return if $self->in_memory != cf::MAP_SWAPPED;
1377 1478
1378 $self->in_memory (cf::MAP_LOADING); 1479 $self->in_memory (cf::MAP_LOADING);
1379 1480
1380 $self->alloc; 1481 $self->alloc;
1482
1483 $self->pre_load;
1484 Coro::cede;
1485
1381 $self->load_objects ($self->{load_path}, 1) 1486 $self->_load_objects ($self->{load_path}, 1)
1382 or return; 1487 or return;
1383 1488
1384 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385 if delete $self->{load_original}; 1490 if delete $self->{load_original};
1386 1491
1387 if (my $uniq = $path->uniq_path) { 1492 if (my $uniq = $self->uniq_path) {
1388 utf8::encode $uniq; 1493 utf8::encode $uniq;
1389 if (aio_open $uniq, O_RDONLY, 0) { 1494 if (aio_open $uniq, O_RDONLY, 0) {
1390 $self->clear_unique_items; 1495 $self->clear_unique_items;
1391 $self->load_objects ($uniq, 0); 1496 $self->_load_objects ($uniq, 0);
1392 } 1497 }
1393 } 1498 }
1394 1499
1395 Coro::cede; 1500 Coro::cede;
1396
1397 # now do the right thing for maps 1501 # now do the right thing for maps
1398 $self->link_multipart_objects; 1502 $self->link_multipart_objects;
1503 Coro::cede;
1399 1504
1400 if ($self->{path}->is_style_map) { 1505 unless ($self->{deny_activate}) {
1401 $self->{deny_save} = 1; 1506 $self->decay_objects;
1402 $self->{deny_reset} = 1;
1403 } else {
1404 $self->fix_auto_apply; 1507 $self->fix_auto_apply;
1405 $self->decay_objects;
1406 $self->update_buttons; 1508 $self->update_buttons;
1509 Coro::cede;
1407 $self->set_darkness_map; 1510 $self->set_darkness_map;
1408 $self->difficulty ($self->estimate_difficulty) 1511 $self->difficulty ($self->estimate_difficulty)
1409 unless $self->difficulty; 1512 unless $self->difficulty;
1513 Coro::cede;
1410 $self->activate; 1514 $self->activate;
1515 Coro::cede;
1411 } 1516 }
1412 1517
1518 $self->post_load;
1413 Coro::cede; 1519 Coro::cede;
1414 1520
1415 $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 $self
1416} 1531}
1417 1532
1418# find and load all maps in the 3x3 area around a map 1533# find and load all maps in the 3x3 area around a map
1419sub load_diag { 1534sub load_diag {
1420 my ($map) = @_; 1535 my ($map) = @_;
1450 1565
1451 cf::sync_job { $map->load }; 1566 cf::sync_job { $map->load };
1452} 1567}
1453 1568
1454our %MAP_PREFETCH; 1569our %MAP_PREFETCH;
1455our $MAP_PREFETCHER = Coro::async { 1570our $MAP_PREFETCHER = undef;
1456 while () {
1457 while (%MAP_PREFETCH) {
1458 my $key = each %MAP_PREFETCH
1459 or next;
1460 my $path = delete $MAP_PREFETCH{$key};
1461
1462 my $map = find $path
1463 or next;
1464 $map->load;
1465 }
1466 Coro::schedule;
1467 }
1468};
1469 1571
1470sub find_async { 1572sub find_async {
1471 my ($path, $origin) = @_; 1573 my ($path, $origin) = @_;
1472 1574
1473 $path = new cf::path $path, $origin && $origin->path; 1575 $path = normalise $path, $origin && $origin->{path};
1474 my $key = $path->as_string;
1475 1576
1476 if (my $map = $cf::MAP{$key}) { 1577 if (my $map = $cf::MAP{$path}) {
1477 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478 } 1579 }
1479 1580
1480 $MAP_PREFETCH{$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 };
1481 $MAP_PREFETCHER->ready; 1594 $MAP_PREFETCHER->prio (6);
1482 1595
1483 () 1596 ()
1484} 1597}
1485 1598
1486sub save { 1599sub save {
1490 1603
1491 $self->{last_save} = $cf::RUNTIME; 1604 $self->{last_save} = $cf::RUNTIME;
1492 1605
1493 return unless $self->dirty; 1606 return unless $self->dirty;
1494 1607
1495 my $save = $self->{path}->save_path; utf8::encode $save; 1608 my $save = $self->save_path; utf8::encode $save;
1496 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1609 my $uniq = $self->uniq_path; utf8::encode $uniq;
1497 1610
1498 $self->{load_path} = $save; 1611 $self->{load_path} = $save;
1499 1612
1500 return if $self->{deny_save}; 1613 return if $self->{deny_save};
1501 1614
1504 cf::async { 1617 cf::async {
1505 $_->contr->save for $self->players; 1618 $_->contr->save for $self->players;
1506 }; 1619 };
1507 1620
1508 if ($uniq) { 1621 if ($uniq) {
1509 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1622 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510 $self->save_objects ($uniq, cf::IO_UNIQUES); 1623 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1511 } else { 1624 } else {
1512 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1625 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513 } 1626 }
1514} 1627}
1515 1628
1516sub swap_out { 1629sub swap_out {
1517 my ($self) = @_; 1630 my ($self) = @_;
1531 1644
1532sub reset_at { 1645sub reset_at {
1533 my ($self) = @_; 1646 my ($self) = @_;
1534 1647
1535 # TODO: safety, remove and allow resettable per-player maps 1648 # TODO: safety, remove and allow resettable per-player maps
1536 return 1e99 if $self->{path}{user_rel}; 1649 return 1e99 if $self->isa ("ext::map_per_player");#d#
1537 return 1e99 if $self->{deny_reset}; 1650 return 1e99 if $self->{deny_reset};
1538 1651
1539 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541 1654
1546 my ($self) = @_; 1659 my ($self) = @_;
1547 1660
1548 $self->reset_at <= $cf::RUNTIME 1661 $self->reset_at <= $cf::RUNTIME
1549} 1662}
1550 1663
1551sub unlink_save {
1552 my ($self) = @_;
1553
1554 utf8::encode (my $save = $self->{path}->save_path);
1555 aioreq_pri 3; IO::AIO::aio_unlink $save;
1556 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557}
1558
1559sub rename {
1560 my ($self, $new_path) = @_;
1561
1562 $self->unlink_save;
1563
1564 delete $cf::MAP{$self->path};
1565 $self->{path} = new cf::path $new_path;
1566 $self->path ($self->{path}->as_string);
1567 $cf::MAP{$self->path} = $self;
1568
1569 $self->save;
1570}
1571
1572sub reset { 1664sub reset {
1573 my ($self) = @_; 1665 my ($self) = @_;
1574 1666
1575 my $lock = cf::lock_acquire "map_data:" . $self->path; 1667 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 1668
1577 return if $self->players; 1669 return if $self->players;
1578 return if $self->{path}{user_rel};#d# 1670 return if $self->isa ("ext::map_per_player");#d#
1579 1671
1580 warn "resetting map ", $self->path;#d# 1672 warn "resetting map ", $self->path;#d#
1581 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
1582 delete $cf::MAP{$self->path}; 1684 delete $cf::MAP{$self->path};
1685
1686 $self->clear;
1583 1687
1584 $_->clear_links_to ($self) for values %cf::MAP; 1688 $_->clear_links_to ($self) for values %cf::MAP;
1585 1689
1586 $self->unlink_save; 1690 $self->unlink_save;
1587 $self->destroy; 1691 $self->destroy;
1590my $nuke_counter = "aaaa"; 1694my $nuke_counter = "aaaa";
1591 1695
1592sub nuke { 1696sub nuke {
1593 my ($self) = @_; 1697 my ($self) = @_;
1594 1698
1699 delete $cf::MAP{$self->path};
1700
1701 $self->unlink_save;
1702
1703 bless $self, "cf::map";
1704 delete $self->{deny_reset};
1595 $self->{deny_save} = 1; 1705 $self->{deny_save} = 1;
1596 $self->reset_timeout (1); 1706 $self->reset_timeout (1);
1597 $self->rename ("{nuke}/" . ($nuke_counter++)); 1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708
1709 $cf::MAP{$self->path} = $self;
1710
1598 $self->reset; # polite request, might not happen 1711 $self->reset; # polite request, might not happen
1599} 1712}
1600 1713
1601sub customise_for {
1602 my ($map, $ob) = @_;
1603
1604 if ($map->per_player) {
1605 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1606 }
1607
1608 $map
1609}
1610
1611=item cf::map::unique_maps 1714=item cf::map::unique_maps
1612 1715
1613Returns an arrayref of cf::path's of all shared maps that have 1716Returns an arrayref of paths of all shared maps that have
1614instantiated unique items. May block. 1717instantiated unique items. May block.
1615 1718
1616=cut 1719=cut
1617 1720
1618sub unique_maps() { 1721sub unique_maps() {
1624 for (@$files) { 1727 for (@$files) {
1625 utf8::decode $_; 1728 utf8::decode $_;
1626 next if /\.pst$/; 1729 next if /\.pst$/;
1627 next unless /^$PATH_SEP/o; 1730 next unless /^$PATH_SEP/o;
1628 1731
1629 push @paths, new cf::path $_; 1732 push @paths, cf::map::normalise $_;
1630 } 1733 }
1631 1734
1632 \@paths 1735 \@paths
1633} 1736}
1634 1737
1709 1812
1710=item $player_object->enter_link 1813=item $player_object->enter_link
1711 1814
1712Freezes 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}>).
1713 1816
1714The 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
1715I<MUST> call C<leave_link> as soon as possible, though. 1818I<MUST> call C<leave_link> as soon as possible, though.
1716 1819
1820Will never block.
1821
1717=item $player_object->leave_link ($map, $x, $y) 1822=item $player_object->leave_link ($map, $x, $y)
1718 1823
1719Moves the player out of the specila link map onto the given map. If the 1824Moves the player out of the special C<{link}> map onto the specified
1720map is not valid (or omitted), the player will be moved back to the 1825map. If the map is not valid (or omitted), the player will be moved back
1721location he/she was before the call to C<enter_link>, or, if that fails, 1826to the location he/she was before the call to C<enter_link>, or, if that
1722to the emergency map position. 1827fails, to the emergency map position.
1723 1828
1724Might block. 1829Might block.
1725 1830
1726=cut 1831=cut
1832
1833sub link_map {
1834 unless ($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 $LINK_MAP
1841}
1727 1842
1728sub cf::object::player::enter_link { 1843sub cf::object::player::enter_link {
1729 my ($self) = @_; 1844 my ($self) = @_;
1730 1845
1731 $self->deactivate_recursive; 1846 $self->deactivate_recursive;
1732 1847
1733 return if $self->map == $LINK_MAP; 1848 return if UNIVERSAL::isa $self->map, "ext::map_link";
1734 1849
1735 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736 if $self->map; 1851 if $self->map;
1737 1852
1738 $self->enter_map ($LINK_MAP, 20, 20); 1853 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1739} 1854}
1740 1855
1741sub cf::object::player::leave_link { 1856sub cf::object::player::leave_link {
1742 my ($self, $map, $x, $y) = @_; 1857 my ($self, $map, $x, $y) = @_;
1743 1858
1765 $map->load; 1880 $map->load;
1766 $map->load_diag; 1881 $map->load_diag;
1767 1882
1768 return unless $self->contr->active; 1883 return unless $self->contr->active;
1769 $self->activate_recursive; 1884 $self->activate_recursive;
1885
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770 $self->enter_map ($map, $x, $y); 1887 $self->enter_map ($map, $x, $y);
1771} 1888}
1772 1889
1773cf::player->attach ( 1890cf::player->attach (
1774 on_logout => sub { 1891 on_logout => sub {
1787 # try to abort aborted map switching on player login :) 1904 # try to abort aborted map switching on player login :)
1788 # should happen only on crashes 1905 # should happen only on crashes
1789 if ($pl->ob->{_link_pos}) { 1906 if ($pl->ob->{_link_pos}) {
1790 $pl->ob->enter_link; 1907 $pl->ob->enter_link;
1791 (async { 1908 (async {
1792 # we need this sleep as the login has a concurrent enter_exit running
1793 # and this sleep increases chances of the player not ending up in scorn
1794 $pl->ob->reply (undef, 1909 $pl->ob->reply (undef,
1795 "There was an internal problem at your last logout, " 1910 "There was an internal problem at your last logout, "
1796 . "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.",
1797 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
1798 Coro::Timer::sleep 1; 1915 Coro::Timer::sleep 1;
1799 $pl->ob->leave_link; 1916 $pl->ob->leave_link;
1800 })->prio (2); 1917 })->prio (2);
1801 } 1918 }
1802 }, 1919 },
1807=cut 1924=cut
1808 1925
1809sub cf::object::player::goto { 1926sub cf::object::player::goto {
1810 my ($self, $path, $x, $y) = @_; 1927 my ($self, $path, $x, $y) = @_;
1811 1928
1812 $path = new cf::path $path;
1813
1814 $self->enter_link; 1929 $self->enter_link;
1815 1930
1816 (async { 1931 (async {
1932 my $map = eval {
1817 my $map = cf::map::find $path->as_string; 1933 my $map = cf::map::find $path;
1818 $map = $map->customise_for ($self) if $map; 1934 $map = $map->customise_for ($self) if $map;
1819 1935 $map
1820# warn "entering ", $map->path, " at ($x, $y)\n" 1936 } or
1821# if $map;
1822
1823 $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);
1824 1938
1825 $self->leave_link ($map, $x, $y); 1939 $self->leave_link ($map, $x, $y);
1826 })->prio (1); 1940 })->prio (1);
1827} 1941}
1828 1942
1832 1946
1833sub parse_random_map_params { 1947sub parse_random_map_params {
1834 my ($spec) = @_; 1948 my ($spec) = @_;
1835 1949
1836 my $rmp = { # defaults 1950 my $rmp = { # defaults
1837 xsize => 10, 1951 xsize => (cf::rndm 15, 40),
1838 ysize => 10, 1952 ysize => (cf::rndm 15, 40),
1953 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1954 #layout => string,
1839 }; 1955 };
1840 1956
1841 for (split /\n/, $spec) { 1957 for (split /\n/, $spec) {
1842 my ($k, $v) = split /\s+/, $_, 2; 1958 my ($k, $v) = split /\s+/, $_, 2;
1843 1959
1847 $rmp 1963 $rmp
1848} 1964}
1849 1965
1850sub prepare_random_map { 1966sub prepare_random_map {
1851 my ($exit) = @_; 1967 my ($exit) = @_;
1968
1969 my $guard = cf::lock_acquire "exit_prepare:$exit";
1852 1970
1853 # all this does is basically replace the /! path by 1971 # all this does is basically replace the /! path by
1854 # a new random map path (?random/...) with a seed 1972 # a new random map path (?random/...) with a seed
1855 # that depends on the exit object 1973 # that depends on the exit object
1856 1974
1857 my $rmp = parse_random_map_params $exit->msg; 1975 my $rmp = parse_random_map_params $exit->msg;
1858 1976
1859 if ($exit->map) { 1977 if ($exit->map) {
1860 $rmp->{region} = $exit->map->region_name; 1978 $rmp->{region} = $exit->region->name;
1861 $rmp->{origin_map} = $exit->map->path; 1979 $rmp->{origin_map} = $exit->map->path;
1862 $rmp->{origin_x} = $exit->x; 1980 $rmp->{origin_x} = $exit->x;
1863 $rmp->{origin_y} = $exit->y; 1981 $rmp->{origin_y} = $exit->y;
1864 } 1982 }
1865 1983
1866 $rmp->{random_seed} ||= $exit->random_seed; 1984 $rmp->{random_seed} ||= $exit->random_seed;
1867 1985
1868 my $data = cf::to_json $rmp; 1986 my $data = cf::to_json $rmp;
1869 my $md5 = Digest::MD5::md5_hex $data; 1987 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1870 1989
1871 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) {
1872 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;
1873 1994
1874 $exit->slaying ("?random/$md5"); 1995 $exit->slaying ("?random/$md5");
1875 $exit->msg (undef); 1996 $exit->msg (undef);
1876 } 1997 }
1877} 1998}
1878 1999
1879sub cf::object::player::enter_exit { 2000sub cf::object::player::enter_exit {
1880 my ($self, $exit) = @_; 2001 my ($self, $exit) = @_;
1881 2002
1882 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;
1883 2015
1884 $self->enter_link; 2016 $self->enter_link;
1885 2017
1886 (async { 2018 (async {
1887 $self->deactivate_recursive; # just to be sure 2019 $self->deactivate_recursive; # just to be sure
1888 unless (eval { 2020 unless (eval {
1889 prepare_random_map $exit 2021 $self->goto ($slaying, $hp, $sp);
1890 if $exit->slaying eq "/!";
1891
1892 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894 2022
1895 1; 2023 1;
1896 }) { 2024 }) {
1897 $self->message ("Something went wrong deep within the crossfire server. " 2025 $self->message ("Something went wrong deep within the crossfire server. "
1898 . "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. "
1899 . "Please report this to the dungeon master!", 2027 . "Please report this to the dungeon master!",
1900 cf::NDI_UNIQUE | cf::NDI_RED); 2028 cf::NDI_UNIQUE | cf::NDI_RED);
1901 2029
1902 warn "ERROR in enter_exit: $@"; 2030 warn "ERROR in enter_exit: $@";
1903 $self->leave_link; 2031 $self->leave_link;
1904 } 2032 }
1905 })->prio (1); 2033 })->prio (1);
1918 2046
1919sub cf::client::send_drawinfo { 2047sub cf::client::send_drawinfo {
1920 my ($self, $text, $flags) = @_; 2048 my ($self, $text, $flags) = @_;
1921 2049
1922 utf8::encode $text; 2050 utf8::encode $text;
1923 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924} 2052}
1925 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}
1926 2066
1927=item $success = $client->query ($flags, "text", \&cb) 2067=item $success = $client->query ($flags, "text", \&cb)
1928 2068
1929Queues a query to the client, calling the given callback with 2069Queues a query to the client, calling the given callback with
1930the 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>,
1959 # get handled first 2099 # get handled first
1960 my $queue = delete $ns->{query_queue} 2100 my $queue = delete $ns->{query_queue}
1961 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
1962 2102
1963 (shift @$queue)->[1]->($msg); 2103 (shift @$queue)->[1]->($msg);
2104 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964 2105
1965 push @{ $ns->{query_queue} }, @$queue; 2106 push @{ $ns->{query_queue} }, @$queue;
1966 2107
1967 if (@{ $ns->{query_queue} } == @$queue) { 2108 if (@{ $ns->{query_queue} } == @$queue) {
1968 if (@$queue) { 2109 if (@$queue) {
2026 2167
2027# here we export the classes and methods available to script code 2168# here we export the classes and methods available to script code
2028 2169
2029=pod 2170=pod
2030 2171
2031The following fucntions and emthods are available within a safe environment: 2172The following functions and methods are available within a safe environment:
2032 2173
2033 cf::object contr pay_amount pay_player map 2174 cf::object contr pay_amount pay_player map
2034 cf::object::player player 2175 cf::object::player player
2035 cf::player peaceful 2176 cf::player peaceful
2036 cf::map trigger 2177 cf::map trigger
2129The 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
2130using it, it should be unique. 2271using it, it should be unique.
2131 2272
2132=over 4 2273=over 4
2133 2274
2134=item $hashref = cf::db_get $family
2135
2136Return a hashref for use by the extension C<$family>, which can be
2137modified. After modifications, you have to call C<cf::db_dirty> or
2138C<cf::db_sync>.
2139
2140=item $value = cf::db_get $family => $key 2275=item $value = cf::db_get $family => $key
2141 2276
2142Returns a single value from the database 2277Returns a single value from the database.
2143
2144=item cf::db_put $family => $hashref
2145
2146Stores the given family hashref into the database. Updates are delayed, if
2147you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148 2278
2149=item cf::db_put $family => $key => $value 2279=item cf::db_put $family => $key => $value
2150 2280
2151Stores the given C<$value> in the family hash. Updates are delayed, if you 2281Stores the given C<$value> in the family.
2152want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154=item cf::db_dirty
2155
2156Marks the database as dirty, to be updated at a later time.
2157
2158=item cf::db_sync
2159
2160Immediately write the database to disk I<if it is dirty>.
2161 2282
2162=cut 2283=cut
2163 2284
2164our $DB; 2285our $DB;
2165 2286
2166{ 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
2167 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;
2168 2306
2169 sub db_load() { 2307 cf::db_put (board => data => $pst->{board});
2170 $DB = stat $path ? Storable::retrieve $path : { }; 2308 cf::db_put (guildrules => data => $pst->{guildrules});
2171 } 2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
2172 2311
2173 my $pid; 2312 unlink $path;
2174
2175 sub db_save() {
2176 waitpid $pid, 0 if $pid;
2177 if (0 == ($pid = fork)) {
2178 $DB->{_meta}{version} = 1;
2179 Storable::nstore $DB, "$path~";
2180 rename "$path~", $path;
2181 cf::_exit 0 if defined $pid;
2182 } 2313 };
2183 }
2184
2185 my $dirty;
2186
2187 sub db_sync() {
2188 db_save if $dirty;
2189 undef $dirty;
2190 }
2191
2192 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193 db_sync;
2194 });
2195
2196 sub db_dirty() {
2197 $dirty = 1;
2198 $idle->start;
2199 }
2200
2201 sub db_get($;$) {
2202 @_ >= 2
2203 ? $DB->{$_[0]}{$_[1]}
2204 : ($DB->{$_[0]} ||= { })
2205 }
2206
2207 sub db_put($$;$) {
2208 if (@_ >= 3) {
2209 $DB->{$_[0]}{$_[1]} = $_[2];
2210 } else {
2211 $DB->{$_[0]} = $_[1];
2212 }
2213 db_dirty;
2214 }
2215
2216 cf::global->attach (
2217 prio => 10000,
2218 on_cleanup => sub {
2219 db_sync;
2220 }, 2314 }
2221 ); 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 { };
2332}
2333
2334=item cf::cache $id => ...
2335
2336Generic caching function that returns the value of the resource $id,
2337caching and regenerating as required.
2338
2339This function can block.
2340
2341 source => filename returning the data (must be a scalar)
2342 expensive => true == try to cache harder
2343 filter => sub that processes the data into a scalar
2344
2345=cut
2346
2347sub cache {
2348 my ($id, %arg) = @_;
2349
2350 aio_stat $arg{source}
2351 and Carp::croak "$arg{source}: $!";
2352
2353 my $meta = join ":", (stat _)[7,9];
2354 my $md5;
2355
2356 if ($arg{expensive}) {
2357 0 <= aio_load $arg{source}, my $buf
2358 or Carp::croak "$arg{source}: $!";
2359
2360 $md5 = Digest::MD5::md5_hex $buf;
2361 }
2362
2363 my $dbmeta = db_get "$id/meta";
2364 if ($dbmeta ne $meta) {
2365 # changed, we need to process
2366 } else {
2367 # just fetch
2368 }
2369
2370
2222} 2371}
2223 2372
2224############################################################################# 2373#############################################################################
2225# the server's main() 2374# the server's init and main functions
2375
2376sub load_facedata($) {
2377 my ($path) = @_;
2378
2379 warn "loading facedata from $path\n";
2380
2381 my $facedata;
2382 0 < aio_load $path, $facedata
2383 or die "$path: $!";
2384
2385 $facedata = Coro::Storable::thaw $facedata;
2386
2387 $facedata->{version} == 2
2388 or cf::cleanup "$path: version mismatch, cannot proceed.";
2389
2390 {
2391 my $faces = $facedata->{faceinfo};
2392
2393 while (my ($face, $info) = each %$faces) {
2394 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2395 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2396 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2397 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2398 Coro::cede;
2399 }
2400
2401 while (my ($face, $info) = each %$faces) {
2402 next unless $info->{smooth};
2403 my $idx = cf::face::find $face
2404 or next;
2405 if (my $smooth = cf::face::find $info->{smooth}) {
2406 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2407 } else {
2408 warn "smooth face '$info->{smooth}' not found for face '$face'";
2409 }
2410 Coro::cede;
2411 }
2412 }
2413
2414 {
2415 my $anims = $facedata->{animinfo};
2416
2417 while (my ($anim, $info) = each %$anims) {
2418 cf::anim::set $anim, $info->{frames}, $info->{facings};
2419 Coro::cede;
2420 }
2421
2422 cf::anim::invalidate_all; # d'oh
2423 }
2424
2425 1
2426}
2427
2428sub reload_facedata {
2429 load_facedata sprintf "%s/facedata", cf::datadir
2430 or die "unable to load facedata\n";
2431}
2432
2433sub reload_regions {
2434 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2435 or die "unable to load regions file\n";
2436}
2437
2438sub reload_archetypes {
2439 load_resource_file sprintf "%s/archetypes", cf::datadir
2440 or die "unable to load archetypes\n";
2441}
2442
2443sub reload_treasures {
2444 load_resource_file sprintf "%s/treasures", cf::datadir
2445 or die "unable to load treasurelists\n";
2446}
2447
2448sub reload_resources {
2449 warn "reloading resource files...\n";
2450
2451 reload_regions;
2452 reload_facedata;
2453 reload_archetypes;
2454 reload_treasures;
2455
2456 warn "finished reloading resource files\n";
2457}
2458
2459sub init {
2460 reload_resources;
2461}
2226 2462
2227sub cfg_load { 2463sub cfg_load {
2228 open my $fh, "<:utf8", cf::confdir . "/config" 2464 open my $fh, "<:utf8", cf::confdir . "/config"
2229 or return; 2465 or return;
2230 2466
2247 2483
2248sub main { 2484sub main {
2249 # we must not ever block the main coroutine 2485 # we must not ever block the main coroutine
2250 local $Coro::idle = sub { 2486 local $Coro::idle = sub {
2251 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2487 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2488 (async {
2252 async { Event::one_event }; 2489 Event::one_event;
2490 })->prio (Coro::PRIO_MAX);
2253 }; 2491 };
2254 2492
2255 cfg_load; 2493 cfg_load;
2256 db_load; 2494 db_init;
2257 load_extensions; 2495 load_extensions;
2496
2497 $TICK_WATCHER->start;
2258 Event::loop; 2498 Event::loop;
2259} 2499}
2260 2500
2261############################################################################# 2501#############################################################################
2262# initialisation and cleanup 2502# initialisation and cleanup
2263 2503
2264# install some emergency cleanup handlers 2504# install some emergency cleanup handlers
2265BEGIN { 2505BEGIN {
2266 for my $signal (qw(INT HUP TERM)) { 2506 for my $signal (qw(INT HUP TERM)) {
2267 Event->signal ( 2507 Event->signal (
2508 reentrant => 0,
2268 data => WF_AUTOCANCEL, 2509 data => WF_AUTOCANCEL,
2269 signal => $signal, 2510 signal => $signal,
2511 prio => 0,
2270 cb => sub { 2512 cb => sub {
2271 cf::cleanup "SIG$signal"; 2513 cf::cleanup "SIG$signal";
2272 }, 2514 },
2273 ); 2515 );
2274 } 2516 }
2275} 2517}
2280 warn "enter emergency perl save\n"; 2522 warn "enter emergency perl save\n";
2281 2523
2282 cf::sync_job { 2524 cf::sync_job {
2283 # use a peculiar iteration method to avoid tripping on perl 2525 # use a peculiar iteration method to avoid tripping on perl
2284 # refcount bugs in for. also avoids problems with players 2526 # refcount bugs in for. also avoids problems with players
2285 # and maps saved/Destroyed asynchronously. 2527 # and maps saved/destroyed asynchronously.
2286 warn "begin emergency player save\n"; 2528 warn "begin emergency player save\n";
2287 for my $login (keys %cf::PLAYER) { 2529 for my $login (keys %cf::PLAYER) {
2288 my $pl = $cf::PLAYER{$login} or next; 2530 my $pl = $cf::PLAYER{$login} or next;
2289 $pl->valid or next; 2531 $pl->valid or next;
2290 $pl->save; 2532 $pl->save;
2296 my $map = $cf::MAP{$path} or next; 2538 my $map = $cf::MAP{$path} or next;
2297 $map->valid or next; 2539 $map->valid or next;
2298 $map->save; 2540 $map->save;
2299 } 2541 }
2300 warn "end emergency map save\n"; 2542 warn "end emergency map save\n";
2543
2544 warn "begin emergency database checkpoint\n";
2545 BDB::db_env_txn_checkpoint $DB_ENV;
2546 warn "end emergency database checkpoint\n";
2301 }; 2547 };
2302 2548
2303 warn "leave emergency perl save\n"; 2549 warn "leave emergency perl save\n";
2304} 2550}
2305 2551
2552sub post_cleanup {
2553 my ($make_core) = @_;
2554
2555 warn Carp::longmess "post_cleanup backtrace"
2556 if $make_core;
2557}
2558
2306sub reload() { 2559sub do_reload_perl() {
2307 # can/must only be called in main 2560 # can/must only be called in main
2308 if ($Coro::current != $Coro::main) { 2561 if ($Coro::current != $Coro::main) {
2309 warn "can only reload from main coroutine\n"; 2562 warn "can only reload from main coroutine";
2310 return; 2563 return;
2311 } 2564 }
2312 2565
2313 warn "reloading..."; 2566 warn "reloading...";
2314 2567
2315 warn "freezing server"; 2568 warn "entering sync_job";
2316 my $guard = freeze_mainloop; 2569
2570 cf::sync_job {
2571 cf::write_runtime; # external watchdog should not bark
2317 cf::emergency_save; 2572 cf::emergency_save;
2573 cf::write_runtime; # external watchdog should not bark
2318 2574
2319 warn "sync database to disk"; 2575 warn "syncing database to disk";
2320 cf::db_sync; 2576 BDB::db_env_txn_checkpoint $DB_ENV;
2321 IO::AIO::flush;
2322 2577
2323 eval {
2324 # if anything goes wrong in here, we should simply crash as we already saved 2578 # if anything goes wrong in here, we should simply crash as we already saved
2325 2579
2326 warn "cancel all watchers"; 2580 warn "cancelling all WF_AUTOCANCEL watchers";
2327 for (Event::all_watchers) { 2581 for (Event::all_watchers) {
2328 $_->cancel if $_->data & WF_AUTOCANCEL; 2582 $_->cancel if $_->data & WF_AUTOCANCEL;
2329 } 2583 }
2330 2584
2585 warn "flushing outstanding aio requests";
2586 for (;;) {
2587 BDB::flush;
2588 IO::AIO::flush;
2589 Coro::cede;
2590 last unless IO::AIO::nreqs || BDB::nreqs;
2591 warn "iterate...";
2592 }
2593
2594 ++$RELOAD;
2595
2331 warn "cancel all extension coros"; 2596 warn "cancelling all extension coros";
2332 $_->cancel for values %EXT_CORO; 2597 $_->cancel for values %EXT_CORO;
2333 %EXT_CORO = (); 2598 %EXT_CORO = ();
2334 2599
2335 warn "remove commands"; 2600 warn "removing commands";
2336 %COMMAND = (); 2601 %COMMAND = ();
2337 2602
2338 warn "remove ext commands"; 2603 warn "removing ext commands";
2339 %EXTCMD = (); 2604 %EXTCMD = ();
2340 2605
2341 warn "unload/nuke all extensions"; 2606 warn "unloading/nuking all extensions";
2342 for my $pkg (@EXTS) { 2607 for my $pkg (@EXTS) {
2343 warn "... unloading $pkg"; 2608 warn "... unloading $pkg";
2344 2609
2345 if (my $cb = $pkg->can ("unload")) { 2610 if (my $cb = $pkg->can ("unload")) {
2346 eval { 2611 eval {
2351 2616
2352 warn "... nuking $pkg"; 2617 warn "... nuking $pkg";
2353 Symbol::delete_package $pkg; 2618 Symbol::delete_package $pkg;
2354 } 2619 }
2355 2620
2356 warn "unload all perl modules loaded from $LIBDIR"; 2621 warn "unloading all perl modules loaded from $LIBDIR";
2357 while (my ($k, $v) = each %INC) { 2622 while (my ($k, $v) = each %INC) {
2358 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2623 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359 2624
2360 warn "removing <$k>"; 2625 warn "... unloading $k";
2361 delete $INC{$k}; 2626 delete $INC{$k};
2362 2627
2363 $k =~ s/\.pm$//; 2628 $k =~ s/\.pm$//;
2364 $k =~ s/\//::/g; 2629 $k =~ s/\//::/g;
2365 2630
2368 } 2633 }
2369 2634
2370 Symbol::delete_package $k; 2635 Symbol::delete_package $k;
2371 } 2636 }
2372 2637
2373 warn "get rid of safe::, as good as possible"; 2638 warn "getting rid of safe::, as good as possible";
2374 Symbol::delete_package "safe::$_" 2639 Symbol::delete_package "safe::$_"
2375 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2640 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376 2641
2377 warn "unload cf.pm \"a bit\""; 2642 warn "unloading cf.pm \"a bit\"";
2378 delete $INC{"cf.pm"}; 2643 delete $INC{"cf.pm"};
2379 2644
2380 # don't, removes xs symbols, too, 2645 # don't, removes xs symbols, too,
2381 # and global variables created in xs 2646 # and global variables created in xs
2382 #Symbol::delete_package __PACKAGE__; 2647 #Symbol::delete_package __PACKAGE__;
2383 2648
2649 warn "unload completed, starting to reload now";
2650
2384 warn "reloading cf.pm"; 2651 warn "reloading cf.pm";
2385 require cf; 2652 require cf;
2386 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2653 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387 2654
2388 warn "load config and database again"; 2655 warn "loading config and database again";
2389 cf::cfg_load; 2656 cf::cfg_load;
2390 cf::db_load;
2391 2657
2392 warn "load extensions"; 2658 warn "loading extensions";
2393 cf::load_extensions; 2659 cf::load_extensions;
2394 2660
2395 warn "reattach attachments to objects/players"; 2661 warn "reattaching attachments to objects/players";
2396 _global_reattach; 2662 _global_reattach; # objects, sockets
2397 warn "reattach attachments to maps"; 2663 warn "reattaching attachments to maps";
2398 reattach $_ for values %MAP; 2664 reattach $_ for values %MAP;
2399 }; 2665 warn "reattaching attachments to players";
2666 reattach $_ for values %PLAYER;
2400 2667
2401 if ($@) { 2668 warn "leaving sync_job";
2669
2670 1
2671 } or do {
2402 warn $@; 2672 warn $@;
2403 warn "error while reloading, exiting."; 2673 warn "error while reloading, exiting.";
2404 exit 1; 2674 exit 1;
2405 } 2675 };
2406 2676
2407 warn "reloaded"; 2677 warn "reloaded";
2408}; 2678};
2409 2679
2410############################################################################# 2680our $RELOAD_WATCHER; # used only during reload
2411 2681
2412unless ($LINK_MAP) { 2682sub reload_perl() {
2413 $LINK_MAP = cf::map::new; 2683 # doing reload synchronously and two reloads happen back-to-back,
2684 # coro crashes during coro_state_free->destroy here.
2414 2685
2415 $LINK_MAP->width (41); 2686 $RELOAD_WATCHER ||= Event->timer (
2416 $LINK_MAP->height (41); 2687 reentrant => 0,
2417 $LINK_MAP->alloc;
2418 $LINK_MAP->path ("{link}");
2419 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422 # dirty hack because... archetypes are not yet loaded
2423 Event->timer (
2424 after => 10, 2688 after => 0,
2689 data => WF_AUTOCANCEL,
2425 cb => sub { 2690 cb => sub {
2426 $_[0]->w->cancel; 2691 do_reload_perl;
2427 2692 undef $RELOAD_WATCHER;
2428 # provide some exits "home"
2429 my $exit = cf::object::new "exit";
2430
2431 $exit->slaying ($EMERGENCY_POSITION->[0]);
2432 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435 $LINK_MAP->insert ($exit->clone, 19, 19);
2436 $LINK_MAP->insert ($exit->clone, 19, 20);
2437 $LINK_MAP->insert ($exit->clone, 19, 21);
2438 $LINK_MAP->insert ($exit->clone, 20, 19);
2439 $LINK_MAP->insert ($exit->clone, 20, 21);
2440 $LINK_MAP->insert ($exit->clone, 21, 19);
2441 $LINK_MAP->insert ($exit->clone, 21, 20);
2442 $LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444 $exit->destroy;
2445 }); 2693 },
2446 2694 );
2447 $LINK_MAP->{deny_save} = 1;
2448 $LINK_MAP->{deny_reset} = 1;
2449
2450 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451} 2695}
2452 2696
2453register_command "reload" => sub { 2697register_command "reload" => sub {
2454 my ($who, $arg) = @_; 2698 my ($who, $arg) = @_;
2455 2699
2456 if ($who->flag (FLAG_WIZ)) { 2700 if ($who->flag (FLAG_WIZ)) {
2457 $who->message ("start of reload.");
2458 reload;
2459 $who->message ("end of reload."); 2701 $who->message ("reloading server.");
2702 async { reload_perl };
2460 } 2703 }
2461}; 2704};
2462 2705
2463unshift @INC, $LIBDIR; 2706unshift @INC, $LIBDIR;
2707
2708my $bug_warning = 0;
2709
2710our @WAIT_FOR_TICK;
2711our @WAIT_FOR_TICK_BEGIN;
2712
2713sub wait_for_tick {
2714 return unless $TICK_WATCHER->is_active;
2715 return if $Coro::current == $Coro::main;
2716
2717 my $signal = new Coro::Signal;
2718 push @WAIT_FOR_TICK, $signal;
2719 $signal->wait;
2720}
2721
2722sub wait_for_tick_begin {
2723 return unless $TICK_WATCHER->is_active;
2724 return if $Coro::current == $Coro::main;
2725
2726 my $signal = new Coro::Signal;
2727 push @WAIT_FOR_TICK_BEGIN, $signal;
2728 $signal->wait;
2729}
2464 2730
2465$TICK_WATCHER = Event->timer ( 2731$TICK_WATCHER = Event->timer (
2466 reentrant => 0, 2732 reentrant => 0,
2733 parked => 1,
2467 prio => 0, 2734 prio => 0,
2468 at => $NEXT_TICK || $TICK, 2735 at => $NEXT_TICK || $TICK,
2469 data => WF_AUTOCANCEL, 2736 data => WF_AUTOCANCEL,
2470 cb => sub { 2737 cb => sub {
2738 if ($Coro::current != $Coro::main) {
2739 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2740 unless ++$bug_warning > 10;
2741 return;
2742 }
2743
2744 $NOW = Event::time;
2745
2471 cf::server_tick; # one server iteration 2746 cf::server_tick; # one server iteration
2747
2472 $RUNTIME += $TICK; 2748 $RUNTIME += $TICK;
2473 $NEXT_TICK += $TICK; 2749 $NEXT_TICK += $TICK;
2474 2750
2475 $WAIT_FOR_TICK->broadcast; 2751 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2752 $NEXT_RUNTIME_WRITE = $NOW + 10;
2753 Coro::async_pool {
2754 write_runtime
2755 or warn "ERROR: unable to write runtime file: $!";
2756 };
2757 }
2758
2759# my $AFTER = Event::time;
2760# warn $AFTER - $NOW;#d#
2477 2761
2478 # if we are delayed by four ticks or more, skip them all 2762 # if we are delayed by four ticks or more, skip them all
2479 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2763 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480 2764
2481 $TICK_WATCHER->at ($NEXT_TICK); 2765 $TICK_WATCHER->at ($NEXT_TICK);
2482 $TICK_WATCHER->start; 2766 $TICK_WATCHER->start;
2767
2768 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2769 $sig->send;
2770 }
2771 while (my $sig = shift @WAIT_FOR_TICK) {
2772 $sig->send;
2773 }
2774
2775 _post_tick;
2483 }, 2776 },
2484); 2777);
2485 2778
2779{
2486IO::AIO::max_poll_time $TICK * 0.2; 2780 BDB::max_poll_time $TICK * 0.1;
2487 2781 $BDB_POLL_WATCHER = Event->io (
2488Event->io ( 2782 reentrant => 0,
2489 fd => IO::AIO::poll_fileno, 2783 fd => BDB::poll_fileno,
2490 poll => 'r', 2784 poll => 'r',
2491 prio => 5, 2785 prio => 0,
2492 data => WF_AUTOCANCEL,
2493 cb => \&IO::AIO::poll_cb,
2494);
2495
2496Event->timer (
2497 data => WF_AUTOCANCEL, 2786 data => WF_AUTOCANCEL,
2498 after => 0, 2787 cb => \&BDB::poll_cb,
2499 interval => 10, 2788 );
2500 cb => sub { 2789 BDB::min_parallel 8;
2501 (Coro::unblock_sub { 2790
2502 write_runtime 2791 BDB::set_sync_prepare {
2503 or warn "ERROR: unable to write runtime file: $!"; 2792 my $status;
2793 my $current = $Coro::current;
2794 (
2795 sub {
2796 $status = $!;
2797 $current->ready; undef $current;
2798 },
2799 sub {
2800 Coro::schedule while defined $current;
2801 $! = $status;
2802 },
2803 )
2804 };
2805
2806 unless ($DB_ENV) {
2807 $DB_ENV = BDB::db_env_create;
2808
2809 cf::sync_job {
2810 eval {
2811 BDB::db_env_open
2812 $DB_ENV,
2813 $BDB_ENV_DIR,
2814 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2815 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2816 0666;
2817
2818 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2819
2820 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2821 $DB_ENV->set_lk_detect;
2822 };
2823
2824 cf::cleanup "db_env_open(db): $@" if $@;
2504 })->(); 2825 };
2505 }, 2826 }
2506); 2827}
2828
2829{
2830 IO::AIO::min_parallel 8;
2831
2832 undef $Coro::AIO::WATCHER;
2833 IO::AIO::max_poll_time $TICK * 0.1;
2834 $AIO_POLL_WATCHER = Event->io (
2835 reentrant => 0,
2836 data => WF_AUTOCANCEL,
2837 fd => IO::AIO::poll_fileno,
2838 poll => 'r',
2839 prio => 6,
2840 cb => \&IO::AIO::poll_cb,
2841 );
2842}
2843
2844# load additional modules
2845use cf::pod;
2507 2846
2508END { cf::emergency_save } 2847END { cf::emergency_save }
2509 2848
25101 28491
2511 2850

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