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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.162 by root, Thu Jan 11 00:41:08 2007 UTC vs.
Revision 1.237 by root, Fri Apr 13 05:08:51 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; 81our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 82our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83
84# used to convert map paths into valid unix filenames by replacing / by ∕
85our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64 86
65binmode STDOUT; 87binmode STDOUT;
66binmode STDERR; 88binmode STDERR;
67 89
68# read virtual server time, if available 90# read virtual server time, if available
75mkdir cf::localdir; 97mkdir cf::localdir;
76mkdir cf::localdir . "/" . cf::playerdir; 98mkdir cf::localdir . "/" . cf::playerdir;
77mkdir cf::localdir . "/" . cf::tmpdir; 99mkdir cf::localdir . "/" . cf::tmpdir;
78mkdir cf::localdir . "/" . cf::uniquedir; 100mkdir cf::localdir . "/" . cf::uniquedir;
79mkdir $RANDOM_MAPS; 101mkdir $RANDOM_MAPS;
102mkdir $BDB_ENV_DIR;
80 103
81# a special map that is always available
82our $LINK_MAP;
83our $EMERGENCY_POSITION; 104our $EMERGENCY_POSITION;
105
106sub cf::map::normalise;
84 107
85############################################################################# 108#############################################################################
86 109
87=head2 GLOBAL VARIABLES 110=head2 GLOBAL VARIABLES
88 111
187 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 210 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188 $d 211 $d
189 } || "[unable to dump $_[0]: '$@']"; 212 } || "[unable to dump $_[0]: '$@']";
190} 213}
191 214
192use JSON::Syck (); # TODO# replace by JSON::PC once working 215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193 216
194=item $ref = cf::from_json $json 217=item $ref = cf::from_json $json
195 218
196Converts a JSON string into the corresponding perl data structure. 219Converts a JSON string into the corresponding perl data structure.
197 220
198=cut
199
200sub from_json($) {
201 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202 JSON::Syck::Load $_[0]
203}
204
205=item $json = cf::to_json $ref 221=item $json = cf::to_json $ref
206 222
207Converts a perl data structure into its JSON representation. 223Converts a perl data structure into its JSON representation.
208
209=cut
210
211sub to_json($) {
212 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213 JSON::Syck::Dump $_[0]
214}
215 224
216=item cf::lock_wait $string 225=item cf::lock_wait $string
217 226
218Wait until the given lock is available. See cf::lock_acquire. 227Wait until the given lock is available. See cf::lock_acquire.
219 228
256} 265}
257 266
258sub freeze_mainloop { 267sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active; 268 return unless $TICK_WATCHER->is_active;
260 269
261 my $guard = Coro::guard { $TICK_WATCHER->start }; 270 my $guard = Coro::guard {
271 $TICK_WATCHER->start;
272 };
262 $TICK_WATCHER->stop; 273 $TICK_WATCHER->stop;
263 $guard 274 $guard
264} 275}
265 276
266=item cf::async { BLOCK } 277=item cf::async { BLOCK }
337 348
338 $coro 349 $coro
339} 350}
340 351
341sub write_runtime { 352sub write_runtime {
353 my $guard = cf::lock_acquire "write_runtime";
354
342 my $runtime = cf::localdir . "/runtime"; 355 my $runtime = cf::localdir . "/runtime";
343 356
344 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345 or return; 358 or return;
346 359
360 my $value = $cf::RUNTIME + 90 + 10;
347 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 361 # 10 is the runtime save interval, for a monotonic clock
362 # 60 allows for the watchdog to kill the server.
363
348 (aio_write $fh, 0, (length $value), $value, 0) <= 0 364 (aio_write $fh, 0, (length $value), $value, 0) <= 0
349 and return; 365 and return;
350 366
367 # always fsync - this file is important
351 aio_fsync $fh 368 aio_fsync $fh
352 and return; 369 and return;
353 370
354 close $fh 371 close $fh
355 or return; 372 or return;
358 and return; 375 and return;
359 376
360 1 377 1
361} 378}
362 379
380=item cf::datalog type => key => value, ...
381
382Log a datalog packet of the given type with the given key-value pairs.
383
384=cut
385
386sub datalog($@) {
387 my ($type, %kv) = @_;
388 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389}
390
363=back 391=back
364 392
365=cut 393=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 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502}
503
504# this is somewhat ugly, but style maps do need special treatment
505sub is_style_map {
506 $_[0]{path} =~ m{^/styles/}
507}
508
509sub load_orig {
510 my ($self) = @_;
511
512 &cf::map::load_map_header ($self->load_path)
513}
514
515sub load_temp {
516 my ($self) = @_;
517
518 &cf::map::load_map_header ($self->save_path)
519}
520
521package cf;
522 394
523############################################################################# 395#############################################################################
524 396
525=head2 ATTACHABLE OBJECTS 397=head2 ATTACHABLE OBJECTS
526 398
652our @CB_TYPE = (); # registry for type (cf-object class) based events 524our @CB_TYPE = (); # registry for type (cf-object class) based events
653our @CB_MAP = (); 525our @CB_MAP = ();
654 526
655my %attachment; 527my %attachment;
656 528
529sub cf::attachable::thawer_merge {
530 # simply override everything except _meta
531 local $_[0]{_meta};
532 %{$_[0]} = %{$_[1]};
533}
534
657sub _attach_cb($$$$) { 535sub _attach_cb($$$$) {
658 my ($registry, $event, $prio, $cb) = @_; 536 my ($registry, $event, $prio, $cb) = @_;
659 537
660 use sort 'stable'; 538 use sort 'stable';
661 539
832# object support 710# object support
833 711
834sub reattach { 712sub reattach {
835 # basically do the same as instantiate, without calling instantiate 713 # basically do the same as instantiate, without calling instantiate
836 my ($obj) = @_; 714 my ($obj) = @_;
715
716 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837 717
838 my $registry = $obj->registry; 718 my $registry = $obj->registry;
839 719
840 @$registry = (); 720 @$registry = ();
841 721
888 $filename, length $$rdata, scalar @$objs; 768 $filename, length $$rdata, scalar @$objs;
889 769
890 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891 chmod SAVE_MODE, $fh; 771 chmod SAVE_MODE, $fh;
892 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 772 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893 aio_fsync $fh; 773 aio_fsync $fh if $cf::USE_FSYNC;
894 close $fh; 774 close $fh;
895 775
896 if (@$objs) { 776 if (@$objs) {
897 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 777 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898 chmod SAVE_MODE, $fh; 778 chmod SAVE_MODE, $fh;
899 my $data = Storable::nfreeze { version => 1, objs => $objs }; 779 my $data = Storable::nfreeze { version => 1, objs => $objs };
900 aio_write $fh, 0, (length $data), $data, 0; 780 aio_write $fh, 0, (length $data), $data, 0;
901 aio_fsync $fh; 781 aio_fsync $fh if $cf::USE_FSYNC;
902 close $fh; 782 close $fh;
903 aio_rename "$filename.pst~", "$filename.pst"; 783 aio_rename "$filename.pst~", "$filename.pst";
904 } 784 }
905 } else { 785 } else {
906 aio_unlink "$filename.pst"; 786 aio_unlink "$filename.pst";
1028 "package $pkg; use strict; use utf8;\n" 908 "package $pkg; use strict; use utf8;\n"
1029 . "#line 1 \"$path\"\n{\n" 909 . "#line 1 \"$path\"\n{\n"
1030 . (do { local $/; <$fh> }) 910 . (do { local $/; <$fh> })
1031 . "\n};\n1"; 911 . "\n};\n1";
1032 912
1033 eval $source 913 unless (eval $source) {
1034 or die $@ ? "$path: $@\n" 914 my $msg = $@ ? "$path: $@\n"
1035 : "extension disabled.\n"; 915 : "extension disabled.\n";
916 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917 warn $@;
918 warn "mandatory extension failed to load, exiting.\n";
919 exit 1;
920 }
921 die $@;
922 }
1036 923
1037 push @EXTS, $pkg; 924 push @EXTS, $pkg;
1038} 925}
1039 926
1040sub load_extensions { 927sub load_extensions {
1046 } or warn "$ext not loaded: $@"; 933 } or warn "$ext not loaded: $@";
1047 } 934 }
1048} 935}
1049 936
1050############################################################################# 937#############################################################################
1051# load/save/clean perl data associated with a map
1052
1053*cf::mapsupport::on_clean = sub {
1054 my ($map) = @_;
1055
1056 my $path = $map->tmpname;
1057 defined $path or return;
1058
1059 unlink "$path.pst";
1060};
1061
1062cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064#############################################################################
1065 938
1066=head2 CORE EXTENSIONS 939=head2 CORE EXTENSIONS
1067 940
1068Functions and methods that extend core crossfire objects. 941Functions and methods that extend core crossfire objects.
1069 942
1092} 965}
1093 966
1094sub path($) { 967sub path($) {
1095 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096 969
1097 (playerdir $login) . "/$login.pl" 970 (playerdir $login) . "/playerdata"
1098} 971}
1099 972
1100sub find_active($) { 973sub find_active($) {
1101 $cf::PLAYER{$_[0]} 974 $cf::PLAYER{$_[0]}
1102 and $cf::PLAYER{$_[0]}->active 975 and $cf::PLAYER{$_[0]}->active
1105 978
1106sub exists($) { 979sub exists($) {
1107 my ($login) = @_; 980 my ($login) = @_;
1108 981
1109 $cf::PLAYER{$login} 982 $cf::PLAYER{$login}
1110 or cf::sync_job { !aio_stat $login } 983 or cf::sync_job { !aio_stat path $login }
1111} 984}
1112 985
1113sub find($) { 986sub find($) {
1114 return $cf::PLAYER{$_[0]} || do { 987 return $cf::PLAYER{$_[0]} || do {
1115 my $login = $_[0]; 988 my $login = $_[0];
1116 989
1117 my $guard = cf::lock_acquire "user_find:$login"; 990 my $guard = cf::lock_acquire "user_find:$login";
1118 991
1119 $cf::PLAYER{$_[0]} || do { 992 $cf::PLAYER{$_[0]} || do {
993 # rename old playerfiles to new ones
994 #TODO: remove when no longer required
995 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997 aio_unlink +(playerdir $login) . "/$login.pl.pst";
998 aio_unlink +(playerdir $login) . "/$login.pl";
999
1120 my $pl = load_pl path $login 1000 my $pl = load_pl path $login
1121 or return; 1001 or return;
1122 $cf::PLAYER{$login} = $pl 1002 $cf::PLAYER{$login} = $pl
1123 } 1003 }
1124 } 1004 }
1161 1041
1162=cut 1042=cut
1163 1043
1164sub quit_character { 1044sub quit_character {
1165 my ($pl) = @_; 1045 my ($pl) = @_;
1046
1047 my $name = $pl->ob->name;
1166 1048
1167 $pl->{deny_save} = 1; 1049 $pl->{deny_save} = 1;
1168 $pl->password ("*"); # this should lock out the player until we nuked the dir 1050 $pl->password ("*"); # this should lock out the player until we nuked the dir
1169 1051
1170 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1175 my $path = playerdir $pl; 1057 my $path = playerdir $pl;
1176 my $temp = "$path~$cf::RUNTIME~deleting~"; 1058 my $temp = "$path~$cf::RUNTIME~deleting~";
1177 aio_rename $path, $temp; 1059 aio_rename $path, $temp;
1178 delete $cf::PLAYER{$pl->ob->name}; 1060 delete $cf::PLAYER{$pl->ob->name};
1179 $pl->destroy; 1061 $pl->destroy;
1062
1063 my $prefix = qr<^~\Q$name\E/>;
1064
1065 # nuke player maps
1066 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1067
1180 IO::AIO::aio_rmtree $temp; 1068 IO::AIO::aio_rmtree $temp;
1069}
1070
1071=item $pl->kick
1072
1073Kicks a player out of the game. This destroys the connection.
1074
1075=cut
1076
1077sub kick {
1078 my ($pl, $kicker) = @_;
1079
1080 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1081 $pl->killer ("kicked");
1082 $pl->ns->destroy;
1181} 1083}
1182 1084
1183=item cf::player::list_logins 1085=item cf::player::list_logins
1184 1086
1185Returns am arrayref of all valid playernames in the system, can take a 1087Returns am arrayref of all valid playernames in the system, can take a
1205 \@logins 1107 \@logins
1206} 1108}
1207 1109
1208=item $player->maps 1110=item $player->maps
1209 1111
1210Returns an arrayref of cf::path's of all maps that are private for this 1112Returns an arrayref of map paths that are private for this
1211player. May block. 1113player. May block.
1212 1114
1213=cut 1115=cut
1214 1116
1215sub maps($) { 1117sub maps($) {
1216 my ($pl) = @_; 1118 my ($pl) = @_;
1119
1120 $pl = ref $pl ? $pl->ob->name : $pl;
1217 1121
1218 my $files = aio_readdir playerdir $pl 1122 my $files = aio_readdir playerdir $pl
1219 or return; 1123 or return;
1220 1124
1221 my @paths; 1125 my @paths;
1223 for (@$files) { 1127 for (@$files) {
1224 utf8::decode $_; 1128 utf8::decode $_;
1225 next if /\.(?:pl|pst)$/; 1129 next if /\.(?:pl|pst)$/;
1226 next unless /^$PATH_SEP/o; 1130 next unless /^$PATH_SEP/o;
1227 1131
1228 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1132 push @paths, cf::map::normalise "~$pl/$_";
1229 } 1133 }
1230 1134
1231 \@paths 1135 \@paths
1232} 1136}
1233 1137
1234=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1235 1139
1236Sends an ext reply to the player. 1140Sends an ext reply to the player.
1237 1141
1238=cut 1142=cut
1239 1143
1240sub ext_reply($$$%) { 1144sub ext_reply($$%) {
1241 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1242 1146
1243 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1244 1148
1245 $self->send ("ext " . cf::to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1150}
1151
1152=item $player->ext_event ($type, %msg)
1153
1154Sends an ext event to the client.
1155
1156=cut
1157
1158sub ext_event($$%) {
1159 my ($self, $type, %msg) = @_;
1160
1161 $self->ns->ext_event ($type, %msg);
1246} 1162}
1247 1163
1248package cf; 1164package cf;
1249 1165
1250=back 1166=back
1259package cf::map; 1175package cf::map;
1260 1176
1261use Fcntl; 1177use Fcntl;
1262use Coro::AIO; 1178use Coro::AIO;
1263 1179
1180use overload
1181 '""' => \&as_string,
1182 fallback => 1;
1183
1264our $MAX_RESET = 3600; 1184our $MAX_RESET = 3600;
1265our $DEFAULT_RESET = 3000; 1185our $DEFAULT_RESET = 3000;
1266 1186
1267sub generate_random_map { 1187sub generate_random_map {
1268 my ($path, $rmp) = @_; 1188 my ($self, $rmp) = @_;
1269
1270 # mit "rum" bekleckern, nicht 1189 # mit "rum" bekleckern, nicht
1271 cf::map::_create_random_map ( 1190 $self->_create_random_map (
1272 $path,
1273 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1191 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1192 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1193 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276 $rmp->{exit_on_final_map}, 1194 $rmp->{exit_on_final_map},
1277 $rmp->{xsize}, $rmp->{ysize}, 1195 $rmp->{xsize}, $rmp->{ysize},
1282 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1200 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283 (cf::region::find $rmp->{region}), $rmp->{custom} 1201 (cf::region::find $rmp->{region}), $rmp->{custom}
1284 ) 1202 )
1285} 1203}
1286 1204
1205=item cf::map->register ($regex, $prio)
1206
1207Register a handler for the map path matching the given regex at the
1208givne priority (higher is better, built-in handlers have priority 0, the
1209default).
1210
1211=cut
1212
1213sub register {
1214 my (undef, $regex, $prio) = @_;
1215 my $pkg = caller;
1216
1217 no strict;
1218 push @{"$pkg\::ISA"}, __PACKAGE__;
1219
1220 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1221}
1222
1223# also paths starting with '/'
1224$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1225
1226sub thawer_merge {
1227 my ($self, $merge) = @_;
1228
1229 # we have to keep some variables in memory intact
1230 local $self->{path};
1231 local $self->{load_path};
1232 local $self->{deny_save};
1233 local $self->{deny_reset};
1234
1235 $self->SUPER::thawer_merge ($merge);
1236}
1237
1238sub normalise {
1239 my ($path, $base) = @_;
1240
1241 $path = "$path"; # make sure its a string
1242
1243 $path =~ s/\.map$//;
1244
1245 # map plan:
1246 #
1247 # /! non-realised random map exit (special hack!)
1248 # {... are special paths that are not being touched
1249 # ?xxx/... are special absolute paths
1250 # ?random/... random maps
1251 # /... normal maps
1252 # ~user/... per-player map of a specific user
1253
1254 $path =~ s/$PATH_SEP/\//go;
1255
1256 # treat it as relative path if it starts with
1257 # something that looks reasonable
1258 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1259 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1260
1261 $base =~ s{[^/]+/?$}{};
1262 $path = "$base/$path";
1263 }
1264
1265 for ($path) {
1266 redo if s{//}{/};
1267 redo if s{/\.?/}{/};
1268 redo if s{/[^/]+/\.\./}{/};
1269 }
1270
1271 $path
1272}
1273
1274sub new_from_path {
1275 my (undef, $path, $base) = @_;
1276
1277 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1278
1279 $path = normalise $path, $base;
1280
1281 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1282 if ($path =~ $EXT_MAP{$pkg}[1]) {
1283 my $self = bless cf::map::new, $pkg;
1284 $self->{path} = $path; $self->path ($path);
1285 $self->init; # pass $1 etc.
1286 return $self;
1287 }
1288 }
1289
1290 Carp::carp "unable to resolve path '$path' (base '$base').";
1291 ()
1292}
1293
1294sub init {
1295 my ($self) = @_;
1296
1297 $self
1298}
1299
1300sub as_string {
1301 my ($self) = @_;
1302
1303 "$self->{path}"
1304}
1305
1306# the displayed name, this is a one way mapping
1307sub visible_name {
1308 &as_string
1309}
1310
1311# the original (read-only) location
1312sub load_path {
1313 my ($self) = @_;
1314
1315 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1316}
1317
1318# the temporary/swap location
1319sub save_path {
1320 my ($self) = @_;
1321
1322 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1324}
1325
1326# the unique path, undef == no special unique path
1327sub uniq_path {
1328 my ($self) = @_;
1329
1330 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1332}
1333
1287# and all this just because we cannot iterate over 1334# and all this just because we cannot iterate over
1288# all maps in C++... 1335# all maps in C++...
1289sub change_all_map_light { 1336sub change_all_map_light {
1290 my ($change) = @_; 1337 my ($change) = @_;
1291 1338
1292 $_->change_map_light ($change) 1339 $_->change_map_light ($change)
1293 for grep $_->outdoor, values %cf::MAP; 1340 for grep $_->outdoor, values %cf::MAP;
1294} 1341}
1295 1342
1343sub unlink_save {
1344 my ($self) = @_;
1345
1346 utf8::encode (my $save = $self->save_path);
1347 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1348 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1349}
1350
1296sub load_map_header($) { 1351sub load_header_from($) {
1297 my ($path) = @_; 1352 my ($self, $path) = @_;
1298 1353
1299 utf8::encode $path; 1354 utf8::encode $path;
1300 aio_open $path, O_RDONLY, 0 1355 #aio_open $path, O_RDONLY, 0
1356 # or return;
1357
1358 $self->_load_header ($path)
1301 or return; 1359 or return;
1302 1360
1303 my $map = cf::map::new 1361 $self->{load_path} = $path;
1362
1363 1
1364}
1365
1366sub load_header_orig {
1367 my ($self) = @_;
1368
1369 $self->load_header_from ($self->load_path)
1370}
1371
1372sub load_header_temp {
1373 my ($self) = @_;
1374
1375 $self->load_header_from ($self->save_path)
1376}
1377
1378sub prepare_temp {
1379 my ($self) = @_;
1380
1381 $self->last_access ((delete $self->{last_access})
1382 || $cf::RUNTIME); #d#
1383 # safety
1384 $self->{instantiate_time} = $cf::RUNTIME
1385 if $self->{instantiate_time} > $cf::RUNTIME;
1386}
1387
1388sub prepare_orig {
1389 my ($self) = @_;
1390
1391 $self->{load_original} = 1;
1392 $self->{instantiate_time} = $cf::RUNTIME;
1393 $self->last_access ($cf::RUNTIME);
1394 $self->instantiate;
1395}
1396
1397sub load_header {
1398 my ($self) = @_;
1399
1400 if ($self->load_header_temp) {
1401 $self->prepare_temp;
1402 } else {
1403 $self->load_header_orig
1304 or return; 1404 or return;
1405 $self->prepare_orig;
1406 }
1305 1407
1306 # for better error messages only, will be overwritten later 1408 1
1307 $map->path ($path);
1308
1309 $map->load_header ($path)
1310 or return;
1311
1312 $map->{load_path} = $path;
1313
1314 $map
1315} 1409}
1316 1410
1317sub find; 1411sub find;
1318sub find { 1412sub find {
1319 my ($path, $origin) = @_; 1413 my ($path, $origin) = @_;
1320 1414
1321 #warn "find<$path,$origin>\n";#d#
1322
1323 $path = new cf::path $path, $origin && $origin->path; 1415 $path = normalise $path, $origin && $origin->path;
1324 my $key = $path->as_string;
1325 1416
1326 cf::lock_wait "map_find:$key"; 1417 cf::lock_wait "map_find:$path";
1327 1418
1328 $cf::MAP{$key} || do { 1419 $cf::MAP{$path} || do {
1329 my $guard = cf::lock_acquire "map_find:$key"; 1420 my $guard = cf::lock_acquire "map_find:$path";
1330 1421 my $map = new_from_path cf::map $path
1331 # do it the slow way
1332 my $map = $path->load_temp;
1333
1334 Coro::cede;
1335
1336 if ($map) {
1337 $map->last_access ((delete $map->{last_access})
1338 || $cf::RUNTIME); #d#
1339 # safety
1340 $map->{instantiate_time} = $cf::RUNTIME
1341 if $map->{instantiate_time} > $cf::RUNTIME;
1342 } else {
1343 $map = $path->load_orig
1344 or return; 1422 or return;
1345 1423
1346 $map->{load_original} = 1;
1347 $map->{instantiate_time} = $cf::RUNTIME;
1348 $map->last_access ($cf::RUNTIME);
1349 $map->instantiate;
1350
1351 # per-player maps become, after loading, normal maps
1352 $map->per_player (0) if $path->{user_rel};
1353 }
1354
1355 $map->path ($key);
1356 $map->{path} = $path;
1357 $map->{last_save} = $cf::RUNTIME; 1424 $map->{last_save} = $cf::RUNTIME;
1358 1425
1359 Coro::cede; 1426 $map->load_header
1427 or return;
1360 1428
1361 if ($map->should_reset) { 1429 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1430 # doing this can freeze the server in a sync job, obviously
1431 #$cf::WAIT_FOR_TICK->wait;
1362 $map->reset; 1432 $map->reset;
1363 undef $guard; 1433 undef $guard;
1364 $map = find $path 1434 return find $path;
1365 or return;
1366 } 1435 }
1367 1436
1368 $cf::MAP{$key} = $map 1437 $cf::MAP{$path} = $map
1369 } 1438 }
1370} 1439}
1440
1441sub pre_load { }
1442sub post_load { }
1371 1443
1372sub load { 1444sub load {
1373 my ($self) = @_; 1445 my ($self) = @_;
1374 1446
1447 local $self->{deny_reset} = 1; # loading can take a long time
1448
1375 my $path = $self->{path}; 1449 my $path = $self->{path};
1376 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1450 my $guard = cf::lock_acquire "map_load:$path";
1377 1451
1378 return if $self->in_memory != cf::MAP_SWAPPED; 1452 return if $self->in_memory != cf::MAP_SWAPPED;
1379 1453
1380 $self->in_memory (cf::MAP_LOADING); 1454 $self->in_memory (cf::MAP_LOADING);
1381 1455
1382 $self->alloc; 1456 $self->alloc;
1457
1458 $self->pre_load;
1459
1383 $self->load_objects ($self->{load_path}, 1) 1460 $self->_load_objects ($self->{load_path}, 1)
1384 or return; 1461 or return;
1385 1462
1386 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1463 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387 if delete $self->{load_original}; 1464 if delete $self->{load_original};
1388 1465
1389 if (my $uniq = $path->uniq_path) { 1466 if (my $uniq = $self->uniq_path) {
1390 utf8::encode $uniq; 1467 utf8::encode $uniq;
1391 if (aio_open $uniq, O_RDONLY, 0) { 1468 if (aio_open $uniq, O_RDONLY, 0) {
1392 $self->clear_unique_items; 1469 $self->clear_unique_items;
1393 $self->load_objects ($uniq, 0); 1470 $self->_load_objects ($uniq, 0);
1394 } 1471 }
1395 } 1472 }
1396 1473
1397 Coro::cede; 1474 Coro::cede;
1398 1475
1399 # now do the right thing for maps 1476 # now do the right thing for maps
1400 $self->link_multipart_objects; 1477 $self->link_multipart_objects;
1401 1478
1402 if ($self->{path}->is_style_map) { 1479 unless ($self->{deny_activate}) {
1403 $self->{deny_save} = 1; 1480 $self->decay_objects;
1404 $self->{deny_reset} = 1;
1405 } else {
1406 $self->fix_auto_apply; 1481 $self->fix_auto_apply;
1407 $self->decay_objects;
1408 $self->update_buttons; 1482 $self->update_buttons;
1483 Coro::cede;
1409 $self->set_darkness_map; 1484 $self->set_darkness_map;
1410 $self->difficulty ($self->estimate_difficulty) 1485 $self->difficulty ($self->estimate_difficulty)
1411 unless $self->difficulty; 1486 unless $self->difficulty;
1487 Coro::cede;
1412 $self->activate; 1488 $self->activate;
1413 } 1489 }
1414 1490
1415 Coro::cede; 1491 $self->post_load;
1416 1492
1417 $self->in_memory (cf::MAP_IN_MEMORY); 1493 $self->in_memory (cf::MAP_IN_MEMORY);
1494}
1495
1496sub customise_for {
1497 my ($self, $ob) = @_;
1498
1499 return find "~" . $ob->name . "/" . $self->{path}
1500 if $self->per_player;
1501
1502 $self
1418} 1503}
1419 1504
1420# find and load all maps in the 3x3 area around a map 1505# find and load all maps in the 3x3 area around a map
1421sub load_diag { 1506sub load_diag {
1422 my ($map) = @_; 1507 my ($map) = @_;
1452 1537
1453 cf::sync_job { $map->load }; 1538 cf::sync_job { $map->load };
1454} 1539}
1455 1540
1456our %MAP_PREFETCH; 1541our %MAP_PREFETCH;
1457our $MAP_PREFETCHER = Coro::async { 1542our $MAP_PREFETCHER = undef;
1458 while () {
1459 while (%MAP_PREFETCH) {
1460 my $key = each %MAP_PREFETCH
1461 or next;
1462 my $path = delete $MAP_PREFETCH{$key};
1463
1464 my $map = find $path
1465 or next;
1466 $map->load;
1467 }
1468 Coro::schedule;
1469 }
1470};
1471 1543
1472sub find_async { 1544sub find_async {
1473 my ($path, $origin) = @_; 1545 my ($path, $origin) = @_;
1474 1546
1475 $path = new cf::path $path, $origin && $origin->path; 1547 $path = normalise $path, $origin && $origin->{path};
1476 my $key = $path->as_string;
1477 1548
1478 if (my $map = $cf::MAP{$key}) { 1549 if (my $map = $cf::MAP{$path}) {
1479 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1550 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480 } 1551 }
1481 1552
1482 $MAP_PREFETCH{$key} = $path; 1553 undef $MAP_PREFETCH{$path};
1554 $MAP_PREFETCHER ||= cf::async {
1555 while (%MAP_PREFETCH) {
1556 for my $path (keys %MAP_PREFETCH) {
1557 my $map = find $path
1558 or next;
1559 $map->load;
1560
1561 delete $MAP_PREFETCH{$path};
1562 }
1563 }
1564 undef $MAP_PREFETCHER;
1565 };
1483 $MAP_PREFETCHER->ready; 1566 $MAP_PREFETCHER->prio (6);
1484 1567
1485 () 1568 ()
1486} 1569}
1487 1570
1488sub save { 1571sub save {
1492 1575
1493 $self->{last_save} = $cf::RUNTIME; 1576 $self->{last_save} = $cf::RUNTIME;
1494 1577
1495 return unless $self->dirty; 1578 return unless $self->dirty;
1496 1579
1497 my $save = $self->{path}->save_path; utf8::encode $save; 1580 my $save = $self->save_path; utf8::encode $save;
1498 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1581 my $uniq = $self->uniq_path; utf8::encode $uniq;
1499 1582
1500 $self->{load_path} = $save; 1583 $self->{load_path} = $save;
1501 1584
1502 return if $self->{deny_save}; 1585 return if $self->{deny_save};
1503 1586
1506 cf::async { 1589 cf::async {
1507 $_->contr->save for $self->players; 1590 $_->contr->save for $self->players;
1508 }; 1591 };
1509 1592
1510 if ($uniq) { 1593 if ($uniq) {
1511 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1594 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512 $self->save_objects ($uniq, cf::IO_UNIQUES); 1595 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1513 } else { 1596 } else {
1514 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1597 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515 } 1598 }
1516} 1599}
1517 1600
1518sub swap_out { 1601sub swap_out {
1519 my ($self) = @_; 1602 my ($self) = @_;
1533 1616
1534sub reset_at { 1617sub reset_at {
1535 my ($self) = @_; 1618 my ($self) = @_;
1536 1619
1537 # TODO: safety, remove and allow resettable per-player maps 1620 # TODO: safety, remove and allow resettable per-player maps
1538 return 1e99 if $self->{path}{user_rel}; 1621 return 1e99 if $self->isa ("ext::map_per_player");#d#
1539 return 1e99 if $self->{deny_reset}; 1622 return 1e99 if $self->{deny_reset};
1540 1623
1541 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1624 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1625 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543 1626
1548 my ($self) = @_; 1631 my ($self) = @_;
1549 1632
1550 $self->reset_at <= $cf::RUNTIME 1633 $self->reset_at <= $cf::RUNTIME
1551} 1634}
1552 1635
1553sub unlink_save {
1554 my ($self) = @_;
1555
1556 utf8::encode (my $save = $self->{path}->save_path);
1557 aioreq_pri 3; IO::AIO::aio_unlink $save;
1558 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559}
1560
1561sub rename {
1562 my ($self, $new_path) = @_;
1563
1564 $self->unlink_save;
1565
1566 delete $cf::MAP{$self->path};
1567 $self->{path} = new cf::path $new_path;
1568 $self->path ($self->{path}->as_string);
1569 $cf::MAP{$self->path} = $self;
1570
1571 $self->save;
1572}
1573
1574sub reset { 1636sub reset {
1575 my ($self) = @_; 1637 my ($self) = @_;
1576 1638
1577 my $lock = cf::lock_acquire "map_data:" . $self->path; 1639 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 1640
1579 return if $self->players; 1641 return if $self->players;
1580 return if $self->{path}{user_rel};#d# 1642 return if $self->isa ("ext::map_per_player");#d#
1581 1643
1582 warn "resetting map ", $self->path;#d# 1644 warn "resetting map ", $self->path;#d#
1583 1645
1646 $self->in_memory (cf::MAP_SWAPPED);
1647
1648 # need to save uniques path
1649 unless ($self->{deny_save}) {
1650 my $uniq = $self->uniq_path; utf8::encode $uniq;
1651
1652 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1653 if $uniq;
1654 }
1655
1584 delete $cf::MAP{$self->path}; 1656 delete $cf::MAP{$self->path};
1657
1658 $self->clear;
1585 1659
1586 $_->clear_links_to ($self) for values %cf::MAP; 1660 $_->clear_links_to ($self) for values %cf::MAP;
1587 1661
1588 $self->unlink_save; 1662 $self->unlink_save;
1589 $self->destroy; 1663 $self->destroy;
1592my $nuke_counter = "aaaa"; 1666my $nuke_counter = "aaaa";
1593 1667
1594sub nuke { 1668sub nuke {
1595 my ($self) = @_; 1669 my ($self) = @_;
1596 1670
1671 delete $cf::MAP{$self->path};
1672
1673 $self->unlink_save;
1674
1675 bless $self, "cf::map";
1676 delete $self->{deny_reset};
1597 $self->{deny_save} = 1; 1677 $self->{deny_save} = 1;
1598 $self->reset_timeout (1); 1678 $self->reset_timeout (1);
1599 $self->rename ("{nuke}/" . ($nuke_counter++)); 1679 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680
1681 $cf::MAP{$self->path} = $self;
1682
1600 $self->reset; # polite request, might not happen 1683 $self->reset; # polite request, might not happen
1601} 1684}
1602 1685
1603sub customise_for {
1604 my ($map, $ob) = @_;
1605
1606 if ($map->per_player) {
1607 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608 }
1609
1610 $map
1611}
1612
1613=item cf::map::unique_maps 1686=item cf::map::unique_maps
1614 1687
1615Returns an arrayref of cf::path's of all shared maps that have 1688Returns an arrayref of paths of all shared maps that have
1616instantiated unique items. May block. 1689instantiated unique items. May block.
1617 1690
1618=cut 1691=cut
1619 1692
1620sub unique_maps() { 1693sub unique_maps() {
1626 for (@$files) { 1699 for (@$files) {
1627 utf8::decode $_; 1700 utf8::decode $_;
1628 next if /\.pst$/; 1701 next if /\.pst$/;
1629 next unless /^$PATH_SEP/o; 1702 next unless /^$PATH_SEP/o;
1630 1703
1631 push @paths, new cf::path $_; 1704 push @paths, cf::map::normalise $_;
1632 } 1705 }
1633 1706
1634 \@paths 1707 \@paths
1635} 1708}
1636 1709
1711 1784
1712=item $player_object->enter_link 1785=item $player_object->enter_link
1713 1786
1714Freezes the player and moves him/her to a special map (C<{link}>). 1787Freezes the player and moves him/her to a special map (C<{link}>).
1715 1788
1716The player should be reaosnably safe there for short amounts of time. You 1789The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 1790I<MUST> call C<leave_link> as soon as possible, though.
1718 1791
1792Will never block.
1793
1719=item $player_object->leave_link ($map, $x, $y) 1794=item $player_object->leave_link ($map, $x, $y)
1720 1795
1721Moves the player out of the specila link map onto the given map. If the 1796Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 1797map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 1798to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 1799fails, to the emergency map position.
1725 1800
1726Might block. 1801Might block.
1727 1802
1728=cut 1803=cut
1804
1805sub link_map {
1806 unless ($LINK_MAP) {
1807 $LINK_MAP = cf::map::find "{link}"
1808 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1809 $LINK_MAP->load;
1810 }
1811
1812 $LINK_MAP
1813}
1729 1814
1730sub cf::object::player::enter_link { 1815sub cf::object::player::enter_link {
1731 my ($self) = @_; 1816 my ($self) = @_;
1732 1817
1733 $self->deactivate_recursive; 1818 $self->deactivate_recursive;
1734 1819
1735 return if $self->map == $LINK_MAP; 1820 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1821
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1822 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1823 if $self->map;
1739 1824
1740 $self->enter_map ($LINK_MAP, 20, 20); 1825 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 1826}
1742 1827
1743sub cf::object::player::leave_link { 1828sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1829 my ($self, $map, $x, $y) = @_;
1745 1830
1767 $map->load; 1852 $map->load;
1768 $map->load_diag; 1853 $map->load_diag;
1769 1854
1770 return unless $self->contr->active; 1855 return unless $self->contr->active;
1771 $self->activate_recursive; 1856 $self->activate_recursive;
1857
1858 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772 $self->enter_map ($map, $x, $y); 1859 $self->enter_map ($map, $x, $y);
1773} 1860}
1774 1861
1775cf::player->attach ( 1862cf::player->attach (
1776 on_logout => sub { 1863 on_logout => sub {
1789 # try to abort aborted map switching on player login :) 1876 # try to abort aborted map switching on player login :)
1790 # should happen only on crashes 1877 # should happen only on crashes
1791 if ($pl->ob->{_link_pos}) { 1878 if ($pl->ob->{_link_pos}) {
1792 $pl->ob->enter_link; 1879 $pl->ob->enter_link;
1793 (async { 1880 (async {
1794 # we need this sleep as the login has a concurrent enter_exit running
1795 # and this sleep increases chances of the player not ending up in scorn
1796 $pl->ob->reply (undef, 1881 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, " 1882 "There was an internal problem at your last logout, "
1798 . "the server will try to bring you to your intended destination in a second.", 1883 . "the server will try to bring you to your intended destination in a second.",
1799 cf::NDI_RED); 1884 cf::NDI_RED);
1885 # we need this sleep as the login has a concurrent enter_exit running
1886 # and this sleep increases chances of the player not ending up in scorn
1800 Coro::Timer::sleep 1; 1887 Coro::Timer::sleep 1;
1801 $pl->ob->leave_link; 1888 $pl->ob->leave_link;
1802 })->prio (2); 1889 })->prio (2);
1803 } 1890 }
1804 }, 1891 },
1809=cut 1896=cut
1810 1897
1811sub cf::object::player::goto { 1898sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1899 my ($self, $path, $x, $y) = @_;
1813 1900
1814 $path = new cf::path $path;
1815
1816 $self->enter_link; 1901 $self->enter_link;
1817 1902
1818 (async { 1903 (async {
1904 my $map = eval {
1819 my $map = cf::map::find $path->as_string; 1905 my $map = cf::map::find $path;
1820 $map = $map->customise_for ($self) if $map; 1906 $map = $map->customise_for ($self) if $map;
1821 1907 $map
1822# warn "entering ", $map->path, " at ($x, $y)\n" 1908 } or
1823# if $map;
1824
1825 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1909 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1826 1910
1827 $self->leave_link ($map, $x, $y); 1911 $self->leave_link ($map, $x, $y);
1828 })->prio (1); 1912 })->prio (1);
1829} 1913}
1830 1914
1834 1918
1835sub parse_random_map_params { 1919sub parse_random_map_params {
1836 my ($spec) = @_; 1920 my ($spec) = @_;
1837 1921
1838 my $rmp = { # defaults 1922 my $rmp = { # defaults
1839 xsize => 10, 1923 xsize => (cf::rndm 15, 40),
1840 ysize => 10, 1924 ysize => (cf::rndm 15, 40),
1925 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1926 #layout => string,
1841 }; 1927 };
1842 1928
1843 for (split /\n/, $spec) { 1929 for (split /\n/, $spec) {
1844 my ($k, $v) = split /\s+/, $_, 2; 1930 my ($k, $v) = split /\s+/, $_, 2;
1845 1931
1849 $rmp 1935 $rmp
1850} 1936}
1851 1937
1852sub prepare_random_map { 1938sub prepare_random_map {
1853 my ($exit) = @_; 1939 my ($exit) = @_;
1940
1941 my $guard = cf::lock_acquire "exit_prepare:$exit";
1854 1942
1855 # all this does is basically replace the /! path by 1943 # all this does is basically replace the /! path by
1856 # a new random map path (?random/...) with a seed 1944 # a new random map path (?random/...) with a seed
1857 # that depends on the exit object 1945 # that depends on the exit object
1858 1946
1859 my $rmp = parse_random_map_params $exit->msg; 1947 my $rmp = parse_random_map_params $exit->msg;
1860 1948
1861 if ($exit->map) { 1949 if ($exit->map) {
1862 $rmp->{region} = $exit->map->region_name; 1950 $rmp->{region} = $exit->region->name;
1863 $rmp->{origin_map} = $exit->map->path; 1951 $rmp->{origin_map} = $exit->map->path;
1864 $rmp->{origin_x} = $exit->x; 1952 $rmp->{origin_x} = $exit->x;
1865 $rmp->{origin_y} = $exit->y; 1953 $rmp->{origin_y} = $exit->y;
1866 } 1954 }
1867 1955
1868 $rmp->{random_seed} ||= $exit->random_seed; 1956 $rmp->{random_seed} ||= $exit->random_seed;
1869 1957
1870 my $data = cf::to_json $rmp; 1958 my $data = cf::to_json $rmp;
1871 my $md5 = Digest::MD5::md5_hex $data; 1959 my $md5 = Digest::MD5::md5_hex $data;
1960 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872 1961
1873 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1962 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874 aio_write $fh, 0, (length $data), $data, 0; 1963 aio_write $fh, 0, (length $data), $data, 0;
1964 undef $fh;
1965 aio_rename "$meta~", $meta;
1875 1966
1876 $exit->slaying ("?random/$md5"); 1967 $exit->slaying ("?random/$md5");
1877 $exit->msg (undef); 1968 $exit->msg (undef);
1878 } 1969 }
1879} 1970}
1880 1971
1881sub cf::object::player::enter_exit { 1972sub cf::object::player::enter_exit {
1882 my ($self, $exit) = @_; 1973 my ($self, $exit) = @_;
1883 1974
1884 return unless $self->type == cf::PLAYER; 1975 return unless $self->type == cf::PLAYER;
1976
1977 if ($exit->slaying eq "/!") {
1978 #TODO: this should de-fi-ni-te-ly not be a sync-job
1979 # the problem is that $exit might not survive long enough
1980 # so it needs to be done right now, right here
1981 cf::sync_job { prepare_random_map $exit };
1982 }
1983
1984 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985 my $hp = $exit->stats->hp;
1986 my $sp = $exit->stats->sp;
1885 1987
1886 $self->enter_link; 1988 $self->enter_link;
1887 1989
1888 (async { 1990 (async {
1889 $self->deactivate_recursive; # just to be sure 1991 $self->deactivate_recursive; # just to be sure
1890 unless (eval { 1992 unless (eval {
1891 prepare_random_map $exit 1993 $self->goto ($slaying, $hp, $sp);
1892 if $exit->slaying eq "/!";
1893
1894 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896 1994
1897 1; 1995 1;
1898 }) { 1996 }) {
1899 $self->message ("Something went wrong deep within the crossfire server. " 1997 $self->message ("Something went wrong deep within the crossfire server. "
1900 . "I'll try to bring you back to the map you were before. " 1998 . "I'll try to bring you back to the map you were before. "
1901 . "Please report this to the dungeon master!", 1999 . "Please report this to the dungeon master!",
1902 cf::NDI_UNIQUE | cf::NDI_RED); 2000 cf::NDI_UNIQUE | cf::NDI_RED);
1903 2001
1904 warn "ERROR in enter_exit: $@"; 2002 warn "ERROR in enter_exit: $@";
1905 $self->leave_link; 2003 $self->leave_link;
1906 } 2004 }
1907 })->prio (1); 2005 })->prio (1);
1920 2018
1921sub cf::client::send_drawinfo { 2019sub cf::client::send_drawinfo {
1922 my ($self, $text, $flags) = @_; 2020 my ($self, $text, $flags) = @_;
1923 2021
1924 utf8::encode $text; 2022 utf8::encode $text;
1925 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2023 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926} 2024}
1927 2025
2026=item $client->ext_event ($type, %msg)
2027
2028Sends an exti event to the client.
2029
2030=cut
2031
2032sub cf::client::ext_event($$%) {
2033 my ($self, $type, %msg) = @_;
2034
2035 $msg{msgtype} = "event_$type";
2036 $self->send_packet ("ext " . cf::to_json \%msg);
2037}
1928 2038
1929=item $success = $client->query ($flags, "text", \&cb) 2039=item $success = $client->query ($flags, "text", \&cb)
1930 2040
1931Queues a query to the client, calling the given callback with 2041Queues a query to the client, calling the given callback with
1932the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2042the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961 # get handled first 2071 # get handled first
1962 my $queue = delete $ns->{query_queue} 2072 my $queue = delete $ns->{query_queue}
1963 or return; # be conservative, not sure how that can happen, but we saw a crash here 2073 or return; # be conservative, not sure how that can happen, but we saw a crash here
1964 2074
1965 (shift @$queue)->[1]->($msg); 2075 (shift @$queue)->[1]->($msg);
2076 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966 2077
1967 push @{ $ns->{query_queue} }, @$queue; 2078 push @{ $ns->{query_queue} }, @$queue;
1968 2079
1969 if (@{ $ns->{query_queue} } == @$queue) { 2080 if (@{ $ns->{query_queue} } == @$queue) {
1970 if (@$queue) { 2081 if (@$queue) {
2028 2139
2029# here we export the classes and methods available to script code 2140# here we export the classes and methods available to script code
2030 2141
2031=pod 2142=pod
2032 2143
2033The following fucntions and emthods are available within a safe environment: 2144The following functions and methods are available within a safe environment:
2034 2145
2035 cf::object contr pay_amount pay_player map 2146 cf::object contr pay_amount pay_player map
2036 cf::object::player player 2147 cf::object::player player
2037 cf::player peaceful 2148 cf::player peaceful
2038 cf::map trigger 2149 cf::map trigger
2131The parameter C<$family> should best start with the name of the extension 2242The parameter C<$family> should best start with the name of the extension
2132using it, it should be unique. 2243using it, it should be unique.
2133 2244
2134=over 4 2245=over 4
2135 2246
2136=item $hashref = cf::db_get $family
2137
2138Return a hashref for use by the extension C<$family>, which can be
2139modified. After modifications, you have to call C<cf::db_dirty> or
2140C<cf::db_sync>.
2141
2142=item $value = cf::db_get $family => $key 2247=item $value = cf::db_get $family => $key
2143 2248
2144Returns a single value from the database 2249Returns a single value from the database.
2145
2146=item cf::db_put $family => $hashref
2147
2148Stores the given family hashref into the database. Updates are delayed, if
2149you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150 2250
2151=item cf::db_put $family => $key => $value 2251=item cf::db_put $family => $key => $value
2152 2252
2153Stores the given C<$value> in the family hash. Updates are delayed, if you 2253Stores the given C<$value> in the family.
2154want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156=item cf::db_dirty
2157
2158Marks the database as dirty, to be updated at a later time.
2159
2160=item cf::db_sync
2161
2162Immediately write the database to disk I<if it is dirty>.
2163 2254
2164=cut 2255=cut
2165 2256
2166our $DB; 2257our $DB;
2167 2258
2168{ 2259sub db_init {
2260 unless ($DB) {
2261 $DB = BDB::db_create $DB_ENV;
2262
2263 cf::sync_job {
2264 eval {
2265 $DB->set_flags (BDB::CHKSUM);
2266
2267 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269 cf::cleanup "db_open(db): $!" if $!;
2270 };
2271 cf::cleanup "db_open(db): $@" if $@;
2272 };
2273
2169 my $path = cf::localdir . "/database.pst"; 2274 my $path = cf::localdir . "/database.pst";
2275 if (stat $path) {
2276 cf::sync_job {
2277 my $pst = Storable::retrieve $path;
2170 2278
2171 sub db_load() { 2279 cf::db_put (board => data => $pst->{board});
2172 $DB = stat $path ? Storable::retrieve $path : { }; 2280 cf::db_put (guildrules => data => $pst->{guildrules});
2173 } 2281 cf::db_put (rent => balance => $pst->{rent}{balance});
2282 BDB::db_env_txn_checkpoint $DB_ENV;
2174 2283
2175 my $pid; 2284 unlink $path;
2176
2177 sub db_save() {
2178 waitpid $pid, 0 if $pid;
2179 if (0 == ($pid = fork)) {
2180 $DB->{_meta}{version} = 1;
2181 Storable::nstore $DB, "$path~";
2182 rename "$path~", $path;
2183 cf::_exit 0 if defined $pid;
2184 } 2285 };
2185 }
2186
2187 my $dirty;
2188
2189 sub db_sync() {
2190 db_save if $dirty;
2191 undef $dirty;
2192 }
2193
2194 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195 db_sync;
2196 });
2197
2198 sub db_dirty() {
2199 $dirty = 1;
2200 $idle->start;
2201 }
2202
2203 sub db_get($;$) {
2204 @_ >= 2
2205 ? $DB->{$_[0]}{$_[1]}
2206 : ($DB->{$_[0]} ||= { })
2207 }
2208
2209 sub db_put($$;$) {
2210 if (@_ >= 3) {
2211 $DB->{$_[0]}{$_[1]} = $_[2];
2212 } else {
2213 $DB->{$_[0]} = $_[1];
2214 }
2215 db_dirty;
2216 }
2217
2218 cf::global->attach (
2219 prio => 10000,
2220 on_cleanup => sub {
2221 db_sync;
2222 }, 2286 }
2223 ); 2287 }
2288}
2289
2290sub db_get($$) {
2291 my $key = "$_[0]/$_[1]";
2292
2293 cf::sync_job {
2294 BDB::db_get $DB, undef, $key, my $data;
2295
2296 $! ? ()
2297 : Compress::LZF::sthaw $data
2298 }
2299}
2300
2301sub db_put($$$) {
2302 BDB::dbreq_pri 4;
2303 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2224} 2304}
2225 2305
2226############################################################################# 2306#############################################################################
2227# the server's main() 2307# the server's init and main functions
2308
2309sub load_facedata {
2310 my $path = sprintf "%s/facedata", cf::datadir;
2311
2312 warn "loading facedata from $path\n";
2313
2314 my $facedata;
2315 0 < aio_load $path, $facedata
2316 or die "$path: $!";
2317
2318 $facedata = Coro::Storable::thaw $facedata;
2319
2320 $facedata->{version} == 2
2321 or cf::cleanup "$path: version mismatch, cannot proceed.";
2322
2323 {
2324 my $faces = $facedata->{faceinfo};
2325
2326 while (my ($face, $info) = each %$faces) {
2327 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2329 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2330 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2331 Coro::cede;
2332 }
2333
2334 while (my ($face, $info) = each %$faces) {
2335 next unless $info->{smooth};
2336 my $idx = cf::face::find $face
2337 or next;
2338 if (my $smooth = cf::face::find $info->{smooth}) {
2339 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2340 } else {
2341 warn "smooth face '$info->{smooth}' not found for face '$face'";
2342 }
2343 Coro::cede;
2344 }
2345 }
2346
2347 {
2348 my $anims = $facedata->{animinfo};
2349
2350 while (my ($anim, $info) = each %$anims) {
2351 cf::anim::set $anim, $info->{frames}, $info->{facings};
2352 Coro::cede;
2353 }
2354
2355 cf::anim::invalidate_all; # d'oh
2356 }
2357
2358 1
2359}
2360
2361sub reload_resources {
2362 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2363 or die "unable to load regions file\n";#d#
2364 load_facedata
2365 or die "unable to load facedata\n";#d#
2366}
2367
2368sub init {
2369 reload_resources;
2370}
2228 2371
2229sub cfg_load { 2372sub cfg_load {
2230 open my $fh, "<:utf8", cf::confdir . "/config" 2373 open my $fh, "<:utf8", cf::confdir . "/config"
2231 or return; 2374 or return;
2232 2375
2249 2392
2250sub main { 2393sub main {
2251 # we must not ever block the main coroutine 2394 # we must not ever block the main coroutine
2252 local $Coro::idle = sub { 2395 local $Coro::idle = sub {
2253 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2396 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397 (async {
2254 async { Event::one_event }; 2398 Event::one_event;
2399 })->prio (Coro::PRIO_MAX);
2255 }; 2400 };
2256 2401
2257 cfg_load; 2402 cfg_load;
2258 db_load; 2403 db_init;
2259 load_extensions; 2404 load_extensions;
2405
2406 $TICK_WATCHER->start;
2260 Event::loop; 2407 Event::loop;
2261} 2408}
2262 2409
2263############################################################################# 2410#############################################################################
2264# initialisation and cleanup 2411# initialisation and cleanup
2265 2412
2266# install some emergency cleanup handlers 2413# install some emergency cleanup handlers
2267BEGIN { 2414BEGIN {
2268 for my $signal (qw(INT HUP TERM)) { 2415 for my $signal (qw(INT HUP TERM)) {
2269 Event->signal ( 2416 Event->signal (
2417 reentrant => 0,
2270 data => WF_AUTOCANCEL, 2418 data => WF_AUTOCANCEL,
2271 signal => $signal, 2419 signal => $signal,
2420 prio => 0,
2272 cb => sub { 2421 cb => sub {
2273 cf::cleanup "SIG$signal"; 2422 cf::cleanup "SIG$signal";
2274 }, 2423 },
2275 ); 2424 );
2276 } 2425 }
2277} 2426}
2282 warn "enter emergency perl save\n"; 2431 warn "enter emergency perl save\n";
2283 2432
2284 cf::sync_job { 2433 cf::sync_job {
2285 # use a peculiar iteration method to avoid tripping on perl 2434 # use a peculiar iteration method to avoid tripping on perl
2286 # refcount bugs in for. also avoids problems with players 2435 # refcount bugs in for. also avoids problems with players
2287 # and maps saved/Destroyed asynchronously. 2436 # and maps saved/destroyed asynchronously.
2288 warn "begin emergency player save\n"; 2437 warn "begin emergency player save\n";
2289 for my $login (keys %cf::PLAYER) { 2438 for my $login (keys %cf::PLAYER) {
2290 my $pl = $cf::PLAYER{$login} or next; 2439 my $pl = $cf::PLAYER{$login} or next;
2291 $pl->valid or next; 2440 $pl->valid or next;
2292 $pl->save; 2441 $pl->save;
2298 my $map = $cf::MAP{$path} or next; 2447 my $map = $cf::MAP{$path} or next;
2299 $map->valid or next; 2448 $map->valid or next;
2300 $map->save; 2449 $map->save;
2301 } 2450 }
2302 warn "end emergency map save\n"; 2451 warn "end emergency map save\n";
2452
2453 warn "begin emergency database checkpoint\n";
2454 BDB::db_env_txn_checkpoint $DB_ENV;
2455 warn "end emergency database checkpoint\n";
2303 }; 2456 };
2304 2457
2305 warn "leave emergency perl save\n"; 2458 warn "leave emergency perl save\n";
2459}
2460
2461sub post_cleanup {
2462 my ($make_core) = @_;
2463
2464 warn Carp::longmess "post_cleanup backtrace"
2465 if $make_core;
2306} 2466}
2307 2467
2308sub reload() { 2468sub reload() {
2309 # can/must only be called in main 2469 # can/must only be called in main
2310 if ($Coro::current != $Coro::main) { 2470 if ($Coro::current != $Coro::main) {
2311 warn "can only reload from main coroutine\n"; 2471 warn "can only reload from main coroutine";
2312 return; 2472 return;
2313 } 2473 }
2314 2474
2315 warn "reloading..."; 2475 warn "reloading...";
2316 2476
2317 warn "freezing server"; 2477 warn "entering sync_job";
2318 my $guard = freeze_mainloop; 2478
2479 cf::sync_job {
2480 cf::write_runtime; # external watchdog should not bark
2319 cf::emergency_save; 2481 cf::emergency_save;
2482 cf::write_runtime; # external watchdog should not bark
2320 2483
2321 warn "sync database to disk"; 2484 warn "syncing database to disk";
2322 cf::db_sync; 2485 BDB::db_env_txn_checkpoint $DB_ENV;
2323 IO::AIO::flush;
2324 2486
2325 eval {
2326 # if anything goes wrong in here, we should simply crash as we already saved 2487 # if anything goes wrong in here, we should simply crash as we already saved
2327 2488
2328 warn "cancel all watchers"; 2489 warn "cancelling all WF_AUTOCANCEL watchers";
2329 for (Event::all_watchers) { 2490 for (Event::all_watchers) {
2330 $_->cancel if $_->data & WF_AUTOCANCEL; 2491 $_->cancel if $_->data & WF_AUTOCANCEL;
2331 } 2492 }
2332 2493
2494 warn "flushing outstanding aio requests";
2495 for (;;) {
2496 BDB::flush;
2497 IO::AIO::flush;
2498 Coro::cede;
2499 last unless IO::AIO::nreqs || BDB::nreqs;
2500 warn "iterate...";
2501 }
2502
2503 ++$RELOAD;
2504
2333 warn "cancel all extension coros"; 2505 warn "cancelling all extension coros";
2334 $_->cancel for values %EXT_CORO; 2506 $_->cancel for values %EXT_CORO;
2335 %EXT_CORO = (); 2507 %EXT_CORO = ();
2336 2508
2337 warn "remove commands"; 2509 warn "removing commands";
2338 %COMMAND = (); 2510 %COMMAND = ();
2339 2511
2340 warn "remove ext commands"; 2512 warn "removing ext commands";
2341 %EXTCMD = (); 2513 %EXTCMD = ();
2342 2514
2343 warn "unload/nuke all extensions"; 2515 warn "unloading/nuking all extensions";
2344 for my $pkg (@EXTS) { 2516 for my $pkg (@EXTS) {
2345 warn "... unloading $pkg"; 2517 warn "... unloading $pkg";
2346 2518
2347 if (my $cb = $pkg->can ("unload")) { 2519 if (my $cb = $pkg->can ("unload")) {
2348 eval { 2520 eval {
2353 2525
2354 warn "... nuking $pkg"; 2526 warn "... nuking $pkg";
2355 Symbol::delete_package $pkg; 2527 Symbol::delete_package $pkg;
2356 } 2528 }
2357 2529
2358 warn "unload all perl modules loaded from $LIBDIR"; 2530 warn "unloading all perl modules loaded from $LIBDIR";
2359 while (my ($k, $v) = each %INC) { 2531 while (my ($k, $v) = each %INC) {
2360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2532 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361 2533
2362 warn "removing <$k>"; 2534 warn "... unloading $k";
2363 delete $INC{$k}; 2535 delete $INC{$k};
2364 2536
2365 $k =~ s/\.pm$//; 2537 $k =~ s/\.pm$//;
2366 $k =~ s/\//::/g; 2538 $k =~ s/\//::/g;
2367 2539
2370 } 2542 }
2371 2543
2372 Symbol::delete_package $k; 2544 Symbol::delete_package $k;
2373 } 2545 }
2374 2546
2375 warn "get rid of safe::, as good as possible"; 2547 warn "getting rid of safe::, as good as possible";
2376 Symbol::delete_package "safe::$_" 2548 Symbol::delete_package "safe::$_"
2377 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2549 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378 2550
2379 warn "unload cf.pm \"a bit\""; 2551 warn "unloading cf.pm \"a bit\"";
2380 delete $INC{"cf.pm"}; 2552 delete $INC{"cf.pm"};
2381 2553
2382 # don't, removes xs symbols, too, 2554 # don't, removes xs symbols, too,
2383 # and global variables created in xs 2555 # and global variables created in xs
2384 #Symbol::delete_package __PACKAGE__; 2556 #Symbol::delete_package __PACKAGE__;
2385 2557
2558 warn "unload completed, starting to reload now";
2559
2386 warn "reloading cf.pm"; 2560 warn "reloading cf.pm";
2387 require cf; 2561 require cf;
2388 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2562 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389 2563
2390 warn "load config and database again"; 2564 warn "loading config and database again";
2391 cf::cfg_load; 2565 cf::cfg_load;
2392 cf::db_load;
2393 2566
2394 warn "load extensions"; 2567 warn "loading extensions";
2395 cf::load_extensions; 2568 cf::load_extensions;
2396 2569
2397 warn "reattach attachments to objects/players"; 2570 warn "reattaching attachments to objects/players";
2398 _global_reattach; 2571 _global_reattach; # objects, sockets
2399 warn "reattach attachments to maps"; 2572 warn "reattaching attachments to maps";
2400 reattach $_ for values %MAP; 2573 reattach $_ for values %MAP;
2401 }; 2574 warn "reattaching attachments to players";
2575 reattach $_ for values %PLAYER;
2402 2576
2403 if ($@) { 2577 warn "loading reloadable resources";
2578 reload_resources;
2579
2580 warn "leaving sync_job";
2581
2582 1
2583 } or do {
2404 warn $@; 2584 warn $@;
2405 warn "error while reloading, exiting."; 2585 warn "error while reloading, exiting.";
2406 exit 1; 2586 exit 1;
2407 } 2587 };
2408 2588
2409 warn "reloaded"; 2589 warn "reloaded";
2410}; 2590};
2411 2591
2412############################################################################# 2592our $RELOAD_WATCHER; # used only during reload
2413
2414unless ($LINK_MAP) {
2415 $LINK_MAP = cf::map::new;
2416
2417 $LINK_MAP->width (41);
2418 $LINK_MAP->height (41);
2419 $LINK_MAP->alloc;
2420 $LINK_MAP->path ("{link}");
2421 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424 # dirty hack because... archetypes are not yet loaded
2425 Event->timer (
2426 after => 10,
2427 cb => sub {
2428 $_[0]->w->cancel;
2429
2430 # provide some exits "home"
2431 my $exit = cf::object::new "exit";
2432
2433 $exit->slaying ($EMERGENCY_POSITION->[0]);
2434 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437 $LINK_MAP->insert ($exit->clone, 19, 19);
2438 $LINK_MAP->insert ($exit->clone, 19, 20);
2439 $LINK_MAP->insert ($exit->clone, 19, 21);
2440 $LINK_MAP->insert ($exit->clone, 20, 19);
2441 $LINK_MAP->insert ($exit->clone, 20, 21);
2442 $LINK_MAP->insert ($exit->clone, 21, 19);
2443 $LINK_MAP->insert ($exit->clone, 21, 20);
2444 $LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446 $exit->destroy;
2447 });
2448
2449 $LINK_MAP->{deny_save} = 1;
2450 $LINK_MAP->{deny_reset} = 1;
2451
2452 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453}
2454 2593
2455register_command "reload" => sub { 2594register_command "reload" => sub {
2456 my ($who, $arg) = @_; 2595 my ($who, $arg) = @_;
2457 2596
2458 if ($who->flag (FLAG_WIZ)) { 2597 if ($who->flag (FLAG_WIZ)) {
2459 $who->message ("start of reload."); 2598 $who->message ("reloading server.");
2599
2600 # doing reload synchronously and two reloads happen back-to-back,
2601 # coro crashes during coro_state_free->destroy here.
2602
2603 $RELOAD_WATCHER ||= Event->timer (
2604 reentrant => 0,
2605 after => 0,
2606 data => WF_AUTOCANCEL,
2607 cb => sub {
2460 reload; 2608 reload;
2461 $who->message ("end of reload."); 2609 undef $RELOAD_WATCHER;
2610 },
2611 );
2462 } 2612 }
2463}; 2613};
2464 2614
2465unshift @INC, $LIBDIR; 2615unshift @INC, $LIBDIR;
2616
2617my $bug_warning = 0;
2466 2618
2467$TICK_WATCHER = Event->timer ( 2619$TICK_WATCHER = Event->timer (
2468 reentrant => 0, 2620 reentrant => 0,
2621 parked => 1,
2469 prio => 0, 2622 prio => 0,
2470 at => $NEXT_TICK || $TICK, 2623 at => $NEXT_TICK || $TICK,
2471 data => WF_AUTOCANCEL, 2624 data => WF_AUTOCANCEL,
2472 cb => sub { 2625 cb => sub {
2626 if ($Coro::current != $Coro::main) {
2627 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628 unless ++$bug_warning > 10;
2629 return;
2630 }
2631
2632 $NOW = Event::time;
2633
2473 cf::server_tick; # one server iteration 2634 cf::server_tick; # one server iteration
2474 $RUNTIME += $TICK; 2635 $RUNTIME += $TICK;
2475 $NEXT_TICK += $TICK; 2636 $NEXT_TICK += $TICK;
2476 2637
2638 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639 $NEXT_RUNTIME_WRITE = $NOW + 10;
2640 Coro::async_pool {
2641 write_runtime
2642 or warn "ERROR: unable to write runtime file: $!";
2643 };
2644 }
2645
2477 $WAIT_FOR_TICK->broadcast; 2646 $WAIT_FOR_TICK->broadcast;
2478 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2647 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649# my $AFTER = Event::time;
2650# warn $AFTER - $NOW;#d#
2479 2651
2480 # if we are delayed by four ticks or more, skip them all 2652 # if we are delayed by four ticks or more, skip them all
2481 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2653 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2482 2654
2483 $TICK_WATCHER->at ($NEXT_TICK); 2655 $TICK_WATCHER->at ($NEXT_TICK);
2484 $TICK_WATCHER->start; 2656 $TICK_WATCHER->start;
2485 }, 2657 },
2486); 2658);
2487 2659
2660{
2488IO::AIO::max_poll_time $TICK * 0.2; 2661 BDB::max_poll_time $TICK * 0.1;
2489 2662 $BDB_POLL_WATCHER = Event->io (
2490Event->io ( 2663 reentrant => 0,
2491 fd => IO::AIO::poll_fileno, 2664 fd => BDB::poll_fileno,
2492 poll => 'r', 2665 poll => 'r',
2493 prio => 5, 2666 prio => 0,
2494 data => WF_AUTOCANCEL,
2495 cb => \&IO::AIO::poll_cb,
2496);
2497
2498Event->timer (
2499 data => WF_AUTOCANCEL, 2667 data => WF_AUTOCANCEL,
2500 after => 0, 2668 cb => \&BDB::poll_cb,
2501 interval => 10, 2669 );
2502 cb => sub { 2670 BDB::min_parallel 8;
2503 (Coro::unblock_sub { 2671
2504 write_runtime 2672 BDB::set_sync_prepare {
2505 or warn "ERROR: unable to write runtime file: $!"; 2673 my $status;
2674 my $current = $Coro::current;
2675 (
2676 sub {
2677 $status = $!;
2678 $current->ready; undef $current;
2679 },
2680 sub {
2681 Coro::schedule while defined $current;
2682 $! = $status;
2683 },
2684 )
2685 };
2686
2687 unless ($DB_ENV) {
2688 $DB_ENV = BDB::db_env_create;
2689
2690 cf::sync_job {
2691 eval {
2692 BDB::db_env_open
2693 $DB_ENV,
2694 $BDB_ENV_DIR,
2695 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697 0666;
2698
2699 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2700
2701 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702 $DB_ENV->set_lk_detect;
2703 };
2704
2705 cf::cleanup "db_env_open(db): $@" if $@;
2506 })->(); 2706 };
2507 }, 2707 }
2508); 2708}
2709
2710{
2711 IO::AIO::min_parallel 8;
2712
2713 undef $Coro::AIO::WATCHER;
2714 IO::AIO::max_poll_time $TICK * 0.1;
2715 $AIO_POLL_WATCHER = Event->io (
2716 reentrant => 0,
2717 data => WF_AUTOCANCEL,
2718 fd => IO::AIO::poll_fileno,
2719 poll => 'r',
2720 prio => 6,
2721 cb => \&IO::AIO::poll_cb,
2722 );
2723}
2509 2724
2510END { cf::emergency_save } 2725END { cf::emergency_save }
2511 2726
25121 27271
2513 2728

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