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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 1.238 by root, Sat Apr 14 07:23:00 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 $path
478}
479
480# the original (read-only) location
481sub load_path {
482 my ($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;
521 394
522############################################################################# 395#############################################################################
523 396
524=head2 ATTACHABLE OBJECTS 397=head2 ATTACHABLE OBJECTS
525 398
651our @CB_TYPE = (); # registry for type (cf-object class) based events 524our @CB_TYPE = (); # registry for type (cf-object class) based events
652our @CB_MAP = (); 525our @CB_MAP = ();
653 526
654my %attachment; 527my %attachment;
655 528
529sub cf::attachable::thawer_merge {
530 # simply override everything except _meta
531 local $_[0]{_meta};
532 %{$_[0]} = %{$_[1]};
533}
534
656sub _attach_cb($$$$) { 535sub _attach_cb($$$$) {
657 my ($registry, $event, $prio, $cb) = @_; 536 my ($registry, $event, $prio, $cb) = @_;
658 537
659 use sort 'stable'; 538 use sort 'stable';
660 539
831# object support 710# object support
832 711
833sub reattach { 712sub reattach {
834 # basically do the same as instantiate, without calling instantiate 713 # basically do the same as instantiate, without calling instantiate
835 my ($obj) = @_; 714 my ($obj) = @_;
715
716 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836 717
837 my $registry = $obj->registry; 718 my $registry = $obj->registry;
838 719
839 @$registry = (); 720 @$registry = ();
840 721
887 $filename, length $$rdata, scalar @$objs; 768 $filename, length $$rdata, scalar @$objs;
888 769
889 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890 chmod SAVE_MODE, $fh; 771 chmod SAVE_MODE, $fh;
891 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 772 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892 aio_fsync $fh; 773 aio_fsync $fh if $cf::USE_FSYNC;
893 close $fh; 774 close $fh;
894 775
895 if (@$objs) { 776 if (@$objs) {
896 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) {
897 chmod SAVE_MODE, $fh; 778 chmod SAVE_MODE, $fh;
898 my $data = Storable::nfreeze { version => 1, objs => $objs }; 779 my $data = Storable::nfreeze { version => 1, objs => $objs };
899 aio_write $fh, 0, (length $data), $data, 0; 780 aio_write $fh, 0, (length $data), $data, 0;
900 aio_fsync $fh; 781 aio_fsync $fh if $cf::USE_FSYNC;
901 close $fh; 782 close $fh;
902 aio_rename "$filename.pst~", "$filename.pst"; 783 aio_rename "$filename.pst~", "$filename.pst";
903 } 784 }
904 } else { 785 } else {
905 aio_unlink "$filename.pst"; 786 aio_unlink "$filename.pst";
1027 "package $pkg; use strict; use utf8;\n" 908 "package $pkg; use strict; use utf8;\n"
1028 . "#line 1 \"$path\"\n{\n" 909 . "#line 1 \"$path\"\n{\n"
1029 . (do { local $/; <$fh> }) 910 . (do { local $/; <$fh> })
1030 . "\n};\n1"; 911 . "\n};\n1";
1031 912
1032 eval $source 913 unless (eval $source) {
1033 or die $@ ? "$path: $@\n" 914 my $msg = $@ ? "$path: $@\n"
1034 : "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 }
1035 923
1036 push @EXTS, $pkg; 924 push @EXTS, $pkg;
1037} 925}
1038 926
1039sub load_extensions { 927sub load_extensions {
1045 } or warn "$ext not loaded: $@"; 933 } or warn "$ext not loaded: $@";
1046 } 934 }
1047} 935}
1048 936
1049############################################################################# 937#############################################################################
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 938
1065=head2 CORE EXTENSIONS 939=head2 CORE EXTENSIONS
1066 940
1067Functions and methods that extend core crossfire objects. 941Functions and methods that extend core crossfire objects.
1068 942
1091} 965}
1092 966
1093sub path($) { 967sub path($) {
1094 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095 969
1096 (playerdir $login) . "/$login.pl" 970 (playerdir $login) . "/playerdata"
1097} 971}
1098 972
1099sub find_active($) { 973sub find_active($) {
1100 $cf::PLAYER{$_[0]} 974 $cf::PLAYER{$_[0]}
1101 and $cf::PLAYER{$_[0]}->active 975 and $cf::PLAYER{$_[0]}->active
1104 978
1105sub exists($) { 979sub exists($) {
1106 my ($login) = @_; 980 my ($login) = @_;
1107 981
1108 $cf::PLAYER{$login} 982 $cf::PLAYER{$login}
1109 or cf::sync_job { !aio_stat $login } 983 or cf::sync_job { !aio_stat path $login }
1110} 984}
1111 985
1112sub find($) { 986sub find($) {
1113 return $cf::PLAYER{$_[0]} || do { 987 return $cf::PLAYER{$_[0]} || do {
1114 my $login = $_[0]; 988 my $login = $_[0];
1115 989
1116 my $guard = cf::lock_acquire "user_find:$login"; 990 my $guard = cf::lock_acquire "user_find:$login";
1117 991
1118 $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
1119 my $pl = load_pl path $login 1000 my $pl = load_pl path $login
1120 or return; 1001 or return;
1121 $cf::PLAYER{$login} = $pl 1002 $cf::PLAYER{$login} = $pl
1122 } 1003 }
1123 } 1004 }
1160 1041
1161=cut 1042=cut
1162 1043
1163sub quit_character { 1044sub quit_character {
1164 my ($pl) = @_; 1045 my ($pl) = @_;
1046
1047 my $name = $pl->ob->name;
1165 1048
1166 $pl->{deny_save} = 1; 1049 $pl->{deny_save} = 1;
1167 $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
1168 1051
1169 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1174 my $path = playerdir $pl; 1057 my $path = playerdir $pl;
1175 my $temp = "$path~$cf::RUNTIME~deleting~"; 1058 my $temp = "$path~$cf::RUNTIME~deleting~";
1176 aio_rename $path, $temp; 1059 aio_rename $path, $temp;
1177 delete $cf::PLAYER{$pl->ob->name}; 1060 delete $cf::PLAYER{$pl->ob->name};
1178 $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
1179 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;
1180} 1083}
1181 1084
1182=item cf::player::list_logins 1085=item cf::player::list_logins
1183 1086
1184Returns 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
1204 \@logins 1107 \@logins
1205} 1108}
1206 1109
1207=item $player->maps 1110=item $player->maps
1208 1111
1209Returns 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
1210player. May block. 1113player. May block.
1211 1114
1212=cut 1115=cut
1213 1116
1214sub maps($) { 1117sub maps($) {
1215 my ($pl) = @_; 1118 my ($pl) = @_;
1119
1120 $pl = ref $pl ? $pl->ob->name : $pl;
1216 1121
1217 my $files = aio_readdir playerdir $pl 1122 my $files = aio_readdir playerdir $pl
1218 or return; 1123 or return;
1219 1124
1220 my @paths; 1125 my @paths;
1222 for (@$files) { 1127 for (@$files) {
1223 utf8::decode $_; 1128 utf8::decode $_;
1224 next if /\.(?:pl|pst)$/; 1129 next if /\.(?:pl|pst)$/;
1225 next unless /^$PATH_SEP/o; 1130 next unless /^$PATH_SEP/o;
1226 1131
1227 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1132 push @paths, cf::map::normalise "~$pl/$_";
1228 } 1133 }
1229 1134
1230 \@paths 1135 \@paths
1231} 1136}
1232 1137
1233=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1234 1139
1235Sends an ext reply to the player. 1140Sends an ext reply to the player.
1236 1141
1237=cut 1142=cut
1238 1143
1239sub ext_reply($$$%) { 1144sub ext_reply($$%) {
1240 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1241 1146
1242 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1243 1148
1244 $self->send ("ext " . cf::to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1245} 1150}
1246 1151
1247package cf; 1152=item $player->ext_event ($type, %msg)
1153
1154Sends an ext event to the client.
1155
1156=cut
1157
1158sub ext_event($$%) {
1159 my ($self, $type, %msg) = @_;
1160
1161 $self->ns->ext_event ($type, %msg);
1162}
1163
1164=head3 cf::region
1165
1166=over 4
1167
1168=cut
1169
1170package cf::region;
1171
1172=item cf::region::find_by_path $path
1173
1174Tries to decuce the probable region for a map knowing only its path.
1175
1176=cut
1177
1178sub find_by_path($) {
1179 my ($path) = @_;
1180
1181 my ($match, $specificity);
1182
1183 for my $region (list) {
1184 if ($region->match && $path =~ $region->match) {
1185 ($match, $specificity) = ($region, $region->specificity)
1186 if $region->specificity > $specificity;
1187 }
1188 }
1189
1190 $match
1191}
1248 1192
1249=back 1193=back
1250
1251 1194
1252=head3 cf::map 1195=head3 cf::map
1253 1196
1254=over 4 1197=over 4
1255 1198
1258package cf::map; 1201package cf::map;
1259 1202
1260use Fcntl; 1203use Fcntl;
1261use Coro::AIO; 1204use Coro::AIO;
1262 1205
1206use overload
1207 '""' => \&as_string,
1208 fallback => 1;
1209
1263our $MAX_RESET = 3600; 1210our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1211our $DEFAULT_RESET = 3000;
1265 1212
1266sub generate_random_map { 1213sub generate_random_map {
1267 my ($path, $rmp) = @_; 1214 my ($self, $rmp) = @_;
1268
1269 # mit "rum" bekleckern, nicht 1215 # mit "rum" bekleckern, nicht
1270 cf::map::_create_random_map 1216 $self->_create_random_map (
1271 $path,
1272 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1217 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1218 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1219 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275 $rmp->{exit_on_final_map}, 1220 $rmp->{exit_on_final_map},
1276 $rmp->{xsize}, $rmp->{ysize}, 1221 $rmp->{xsize}, $rmp->{ysize},
1277 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1222 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1223 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1224 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1225 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1226 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282 (cf::region::find $rmp->{region}) 1227 (cf::region::find $rmp->{region}), $rmp->{custom}
1228 )
1229}
1230
1231=item cf::map->register ($regex, $prio)
1232
1233Register a handler for the map path matching the given regex at the
1234givne priority (higher is better, built-in handlers have priority 0, the
1235default).
1236
1237=cut
1238
1239sub register {
1240 my (undef, $regex, $prio) = @_;
1241 my $pkg = caller;
1242
1243 no strict;
1244 push @{"$pkg\::ISA"}, __PACKAGE__;
1245
1246 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247}
1248
1249# also paths starting with '/'
1250$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1251
1252sub thawer_merge {
1253 my ($self, $merge) = @_;
1254
1255 # we have to keep some variables in memory intact
1256 local $self->{path};
1257 local $self->{load_path};
1258 local $self->{deny_save};
1259 local $self->{deny_reset};
1260
1261 $self->SUPER::thawer_merge ($merge);
1262}
1263
1264sub normalise {
1265 my ($path, $base) = @_;
1266
1267 $path = "$path"; # make sure its a string
1268
1269 $path =~ s/\.map$//;
1270
1271 # map plan:
1272 #
1273 # /! non-realised random map exit (special hack!)
1274 # {... are special paths that are not being touched
1275 # ?xxx/... are special absolute paths
1276 # ?random/... random maps
1277 # /... normal maps
1278 # ~user/... per-player map of a specific user
1279
1280 $path =~ s/$PATH_SEP/\//go;
1281
1282 # treat it as relative path if it starts with
1283 # something that looks reasonable
1284 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1285 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1286
1287 $base =~ s{[^/]+/?$}{};
1288 $path = "$base/$path";
1289 }
1290
1291 for ($path) {
1292 redo if s{//}{/};
1293 redo if s{/\.?/}{/};
1294 redo if s{/[^/]+/\.\./}{/};
1295 }
1296
1297 $path
1298}
1299
1300sub new_from_path {
1301 my (undef, $path, $base) = @_;
1302
1303 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1304
1305 $path = normalise $path, $base;
1306
1307 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1308 if ($path =~ $EXT_MAP{$pkg}[1]) {
1309 my $self = bless cf::map::new, $pkg;
1310 $self->{path} = $path; $self->path ($path);
1311 $self->init; # pass $1 etc.
1312 return $self;
1313 }
1314 }
1315
1316 Carp::carp "unable to resolve path '$path' (base '$base').";
1317 ()
1318}
1319
1320sub init {
1321 my ($self) = @_;
1322
1323 $self
1324}
1325
1326sub as_string {
1327 my ($self) = @_;
1328
1329 "$self->{path}"
1330}
1331
1332# the displayed name, this is a one way mapping
1333sub visible_name {
1334 &as_string
1335}
1336
1337# the original (read-only) location
1338sub load_path {
1339 my ($self) = @_;
1340
1341 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1342}
1343
1344# the temporary/swap location
1345sub save_path {
1346 my ($self) = @_;
1347
1348 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1350}
1351
1352# the unique path, undef == no special unique path
1353sub uniq_path {
1354 my ($self) = @_;
1355
1356 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1283} 1358}
1284 1359
1285# and all this just because we cannot iterate over 1360# and all this just because we cannot iterate over
1286# all maps in C++... 1361# all maps in C++...
1287sub change_all_map_light { 1362sub change_all_map_light {
1289 1364
1290 $_->change_map_light ($change) 1365 $_->change_map_light ($change)
1291 for grep $_->outdoor, values %cf::MAP; 1366 for grep $_->outdoor, values %cf::MAP;
1292} 1367}
1293 1368
1369sub unlink_save {
1370 my ($self) = @_;
1371
1372 utf8::encode (my $save = $self->save_path);
1373 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1374 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1375}
1376
1294sub load_map_header($) { 1377sub load_header_from($) {
1295 my ($path) = @_; 1378 my ($self, $path) = @_;
1296 1379
1297 utf8::encode $path; 1380 utf8::encode $path;
1298 aio_open $path, O_RDONLY, 0 1381 #aio_open $path, O_RDONLY, 0
1382 # or return;
1383
1384 $self->_load_header ($path)
1299 or return; 1385 or return;
1300 1386
1301 my $map = cf::map::new 1387 $self->{load_path} = $path;
1388
1389 1
1390}
1391
1392sub load_header_orig {
1393 my ($self) = @_;
1394
1395 $self->load_header_from ($self->load_path)
1396}
1397
1398sub load_header_temp {
1399 my ($self) = @_;
1400
1401 $self->load_header_from ($self->save_path)
1402}
1403
1404sub prepare_temp {
1405 my ($self) = @_;
1406
1407 $self->last_access ((delete $self->{last_access})
1408 || $cf::RUNTIME); #d#
1409 # safety
1410 $self->{instantiate_time} = $cf::RUNTIME
1411 if $self->{instantiate_time} > $cf::RUNTIME;
1412}
1413
1414sub prepare_orig {
1415 my ($self) = @_;
1416
1417 $self->{load_original} = 1;
1418 $self->{instantiate_time} = $cf::RUNTIME;
1419 $self->last_access ($cf::RUNTIME);
1420 $self->instantiate;
1421}
1422
1423sub load_header {
1424 my ($self) = @_;
1425
1426 if ($self->load_header_temp) {
1427 $self->prepare_temp;
1428 } else {
1429 $self->load_header_orig
1302 or return; 1430 or return;
1431 $self->prepare_orig;
1432 }
1303 1433
1304 # for better error messages only, will be overwritten later 1434 $self->default_region (cf::region::find_by_path $self->{path})
1305 $map->path ($path); 1435 unless $self->default_region;
1306 1436
1307 $map->load_header ($path) 1437 1
1308 or return;
1309
1310 $map->{load_path} = $path;
1311
1312 $map
1313} 1438}
1314 1439
1315sub find; 1440sub find;
1316sub find { 1441sub find {
1317 my ($path, $origin) = @_; 1442 my ($path, $origin) = @_;
1318 1443
1319 #warn "find<$path,$origin>\n";#d#
1320
1321 $path = new cf::path $path, $origin && $origin->path; 1444 $path = normalise $path, $origin && $origin->path;
1322 my $key = $path->as_string;
1323 1445
1324 cf::lock_wait "map_find:$key"; 1446 cf::lock_wait "map_find:$path";
1325 1447
1326 $cf::MAP{$key} || do { 1448 $cf::MAP{$path} || do {
1327 my $guard = cf::lock_acquire "map_find:$key"; 1449 my $guard = cf::lock_acquire "map_find:$path";
1328 1450 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; 1451 or return;
1343 1452
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; 1453 $map->{last_save} = $cf::RUNTIME;
1356 1454
1357 Coro::cede; 1455 $map->load_header
1456 or return;
1358 1457
1359 if ($map->should_reset) { 1458 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1459 # doing this can freeze the server in a sync job, obviously
1460 #$cf::WAIT_FOR_TICK->wait;
1360 $map->reset; 1461 $map->reset;
1361 undef $guard; 1462 undef $guard;
1362 $map = find $path 1463 return find $path;
1363 or return;
1364 } 1464 }
1365 1465
1366 $cf::MAP{$key} = $map 1466 $cf::MAP{$path} = $map
1367 } 1467 }
1368} 1468}
1469
1470sub pre_load { }
1471sub post_load { }
1369 1472
1370sub load { 1473sub load {
1371 my ($self) = @_; 1474 my ($self) = @_;
1372 1475
1476 local $self->{deny_reset} = 1; # loading can take a long time
1477
1373 my $path = $self->{path}; 1478 my $path = $self->{path};
1374 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1479 my $guard = cf::lock_acquire "map_load:$path";
1375 1480
1376 return if $self->in_memory != cf::MAP_SWAPPED; 1481 return if $self->in_memory != cf::MAP_SWAPPED;
1377 1482
1378 $self->in_memory (cf::MAP_LOADING); 1483 $self->in_memory (cf::MAP_LOADING);
1379 1484
1380 $self->alloc; 1485 $self->alloc;
1486
1487 $self->pre_load;
1488
1381 $self->load_objects ($self->{load_path}, 1) 1489 $self->_load_objects ($self->{load_path}, 1)
1382 or return; 1490 or return;
1383 1491
1384 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1492 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385 if delete $self->{load_original}; 1493 if delete $self->{load_original};
1386 1494
1387 if (my $uniq = $path->uniq_path) { 1495 if (my $uniq = $self->uniq_path) {
1388 utf8::encode $uniq; 1496 utf8::encode $uniq;
1389 if (aio_open $uniq, O_RDONLY, 0) { 1497 if (aio_open $uniq, O_RDONLY, 0) {
1390 $self->clear_unique_items; 1498 $self->clear_unique_items;
1391 $self->load_objects ($uniq, 0); 1499 $self->_load_objects ($uniq, 0);
1392 } 1500 }
1393 } 1501 }
1394 1502
1395 Coro::cede; 1503 Coro::cede;
1396 1504
1397 # now do the right thing for maps 1505 # now do the right thing for maps
1398 $self->link_multipart_objects; 1506 $self->link_multipart_objects;
1399 1507
1400 if ($self->{path}->is_style_map) { 1508 unless ($self->{deny_activate}) {
1401 $self->{deny_save} = 1; 1509 $self->decay_objects;
1402 $self->{deny_reset} = 1;
1403 } else {
1404 $self->fix_auto_apply; 1510 $self->fix_auto_apply;
1405 $self->decay_objects;
1406 $self->update_buttons; 1511 $self->update_buttons;
1512 Coro::cede;
1407 $self->set_darkness_map; 1513 $self->set_darkness_map;
1408 $self->difficulty ($self->estimate_difficulty) 1514 $self->difficulty ($self->estimate_difficulty)
1409 unless $self->difficulty; 1515 unless $self->difficulty;
1516 Coro::cede;
1410 $self->activate; 1517 $self->activate;
1411 } 1518 }
1412 1519
1413 Coro::cede; 1520 $self->post_load;
1414 1521
1415 $self->in_memory (cf::MAP_IN_MEMORY); 1522 $self->in_memory (cf::MAP_IN_MEMORY);
1523}
1524
1525sub customise_for {
1526 my ($self, $ob) = @_;
1527
1528 return find "~" . $ob->name . "/" . $self->{path}
1529 if $self->per_player;
1530
1531 $self
1416} 1532}
1417 1533
1418# find and load all maps in the 3x3 area around a map 1534# find and load all maps in the 3x3 area around a map
1419sub load_diag { 1535sub load_diag {
1420 my ($map) = @_; 1536 my ($map) = @_;
1450 1566
1451 cf::sync_job { $map->load }; 1567 cf::sync_job { $map->load };
1452} 1568}
1453 1569
1454our %MAP_PREFETCH; 1570our %MAP_PREFETCH;
1455our $MAP_PREFETCHER = Coro::async { 1571our $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 $map->load;
1465 }
1466 Coro::schedule;
1467 }
1468};
1469 1572
1470sub find_async { 1573sub find_async {
1471 my ($path, $origin) = @_; 1574 my ($path, $origin) = @_;
1472 1575
1473 $path = new cf::path $path, $origin && $origin->path; 1576 $path = normalise $path, $origin && $origin->{path};
1474 my $key = $path->as_string;
1475 1577
1476 if (my $map = $cf::MAP{$key}) { 1578 if (my $map = $cf::MAP{$path}) {
1477 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1579 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478 } 1580 }
1479 1581
1480 $MAP_PREFETCH{$key} = $path; 1582 undef $MAP_PREFETCH{$path};
1583 $MAP_PREFETCHER ||= cf::async {
1584 while (%MAP_PREFETCH) {
1585 for my $path (keys %MAP_PREFETCH) {
1586 my $map = find $path
1587 or next;
1588 $map->load;
1589
1590 delete $MAP_PREFETCH{$path};
1591 }
1592 }
1593 undef $MAP_PREFETCHER;
1594 };
1481 $MAP_PREFETCHER->ready; 1595 $MAP_PREFETCHER->prio (6);
1482 1596
1483 () 1597 ()
1484} 1598}
1485 1599
1486sub save { 1600sub save {
1490 1604
1491 $self->{last_save} = $cf::RUNTIME; 1605 $self->{last_save} = $cf::RUNTIME;
1492 1606
1493 return unless $self->dirty; 1607 return unless $self->dirty;
1494 1608
1495 my $save = $self->{path}->save_path; utf8::encode $save; 1609 my $save = $self->save_path; utf8::encode $save;
1496 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1610 my $uniq = $self->uniq_path; utf8::encode $uniq;
1497 1611
1498 $self->{load_path} = $save; 1612 $self->{load_path} = $save;
1499 1613
1500 return if $self->{deny_save}; 1614 return if $self->{deny_save};
1501 1615
1504 cf::async { 1618 cf::async {
1505 $_->contr->save for $self->players; 1619 $_->contr->save for $self->players;
1506 }; 1620 };
1507 1621
1508 if ($uniq) { 1622 if ($uniq) {
1509 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1623 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510 $self->save_objects ($uniq, cf::IO_UNIQUES); 1624 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1511 } else { 1625 } else {
1512 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1626 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513 } 1627 }
1514} 1628}
1515 1629
1516sub swap_out { 1630sub swap_out {
1517 my ($self) = @_; 1631 my ($self) = @_;
1531 1645
1532sub reset_at { 1646sub reset_at {
1533 my ($self) = @_; 1647 my ($self) = @_;
1534 1648
1535 # TODO: safety, remove and allow resettable per-player maps 1649 # TODO: safety, remove and allow resettable per-player maps
1536 return 1e99 if $self->{path}{user_rel}; 1650 return 1e99 if $self->isa ("ext::map_per_player");#d#
1537 return 1e99 if $self->{deny_reset}; 1651 return 1e99 if $self->{deny_reset};
1538 1652
1539 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1653 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1654 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541 1655
1546 my ($self) = @_; 1660 my ($self) = @_;
1547 1661
1548 $self->reset_at <= $cf::RUNTIME 1662 $self->reset_at <= $cf::RUNTIME
1549} 1663}
1550 1664
1551sub unlink_save {
1552 my ($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 $self->save;
1570}
1571
1572sub reset { 1665sub reset {
1573 my ($self) = @_; 1666 my ($self) = @_;
1574 1667
1575 my $lock = cf::lock_acquire "map_data:" . $self->path; 1668 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 1669
1577 return if $self->players; 1670 return if $self->players;
1578 return if $self->{path}{user_rel};#d# 1671 return if $self->isa ("ext::map_per_player");#d#
1579 1672
1580 warn "resetting map ", $self->path;#d# 1673 warn "resetting map ", $self->path;#d#
1581 1674
1675 $self->in_memory (cf::MAP_SWAPPED);
1676
1677 # need to save uniques path
1678 unless ($self->{deny_save}) {
1679 my $uniq = $self->uniq_path; utf8::encode $uniq;
1680
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1682 if $uniq;
1683 }
1684
1582 delete $cf::MAP{$self->path}; 1685 delete $cf::MAP{$self->path};
1686
1687 $self->clear;
1583 1688
1584 $_->clear_links_to ($self) for values %cf::MAP; 1689 $_->clear_links_to ($self) for values %cf::MAP;
1585 1690
1586 $self->unlink_save; 1691 $self->unlink_save;
1587 $self->destroy; 1692 $self->destroy;
1590my $nuke_counter = "aaaa"; 1695my $nuke_counter = "aaaa";
1591 1696
1592sub nuke { 1697sub nuke {
1593 my ($self) = @_; 1698 my ($self) = @_;
1594 1699
1700 delete $cf::MAP{$self->path};
1701
1702 $self->unlink_save;
1703
1704 bless $self, "cf::map";
1705 delete $self->{deny_reset};
1595 $self->{deny_save} = 1; 1706 $self->{deny_save} = 1;
1596 $self->reset_timeout (1); 1707 $self->reset_timeout (1);
1597 $self->rename ("{nuke}/" . ($nuke_counter++)); 1708 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709
1710 $cf::MAP{$self->path} = $self;
1711
1598 $self->reset; # polite request, might not happen 1712 $self->reset; # polite request, might not happen
1599} 1713}
1600 1714
1601sub customise_for {
1602 my ($map, $ob) = @_;
1603
1604 if ($map->per_player) {
1605 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1606 }
1607
1608 $map
1609}
1610
1611=item cf::map::unique_maps 1715=item cf::map::unique_maps
1612 1716
1613Returns an arrayref of cf::path's of all shared maps that have 1717Returns an arrayref of paths of all shared maps that have
1614instantiated unique items. May block. 1718instantiated unique items. May block.
1615 1719
1616=cut 1720=cut
1617 1721
1618sub unique_maps() { 1722sub unique_maps() {
1624 for (@$files) { 1728 for (@$files) {
1625 utf8::decode $_; 1729 utf8::decode $_;
1626 next if /\.pst$/; 1730 next if /\.pst$/;
1627 next unless /^$PATH_SEP/o; 1731 next unless /^$PATH_SEP/o;
1628 1732
1629 push @paths, new cf::path $_; 1733 push @paths, cf::map::normalise $_;
1630 } 1734 }
1631 1735
1632 \@paths 1736 \@paths
1633} 1737}
1634 1738
1709 1813
1710=item $player_object->enter_link 1814=item $player_object->enter_link
1711 1815
1712Freezes the player and moves him/her to a special map (C<{link}>). 1816Freezes the player and moves him/her to a special map (C<{link}>).
1713 1817
1714The player should be reaosnably safe there for short amounts of time. You 1818The player should be reasonably safe there for short amounts of time. You
1715I<MUST> call C<leave_link> as soon as possible, though. 1819I<MUST> call C<leave_link> as soon as possible, though.
1716 1820
1821Will never block.
1822
1717=item $player_object->leave_link ($map, $x, $y) 1823=item $player_object->leave_link ($map, $x, $y)
1718 1824
1719Moves the player out of the specila link map onto the given map. If the 1825Moves the player out of the special C<{link}> map onto the specified
1720map is not valid (or omitted), the player will be moved back to the 1826map. If the map is not valid (or omitted), the player will be moved back
1721location he/she was before the call to C<enter_link>, or, if that fails, 1827to the location he/she was before the call to C<enter_link>, or, if that
1722to the emergency map position. 1828fails, to the emergency map position.
1723 1829
1724Might block. 1830Might block.
1725 1831
1726=cut 1832=cut
1833
1834sub link_map {
1835 unless ($LINK_MAP) {
1836 $LINK_MAP = cf::map::find "{link}"
1837 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1838 $LINK_MAP->load;
1839 }
1840
1841 $LINK_MAP
1842}
1727 1843
1728sub cf::object::player::enter_link { 1844sub cf::object::player::enter_link {
1729 my ($self) = @_; 1845 my ($self) = @_;
1730 1846
1731 $self->deactivate_recursive; 1847 $self->deactivate_recursive;
1732 1848
1733 return if $self->map == $LINK_MAP; 1849 return if UNIVERSAL::isa $self->map, "ext::map_link";
1734 1850
1735 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1851 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736 if $self->map; 1852 if $self->map;
1737 1853
1738 $self->enter_map ($LINK_MAP, 20, 20); 1854 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1739} 1855}
1740 1856
1741sub cf::object::player::leave_link { 1857sub cf::object::player::leave_link {
1742 my ($self, $map, $x, $y) = @_; 1858 my ($self, $map, $x, $y) = @_;
1743 1859
1765 $map->load; 1881 $map->load;
1766 $map->load_diag; 1882 $map->load_diag;
1767 1883
1768 return unless $self->contr->active; 1884 return unless $self->contr->active;
1769 $self->activate_recursive; 1885 $self->activate_recursive;
1886
1887 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770 $self->enter_map ($map, $x, $y); 1888 $self->enter_map ($map, $x, $y);
1771} 1889}
1772 1890
1773cf::player->attach ( 1891cf::player->attach (
1774 on_logout => sub { 1892 on_logout => sub {
1787 # try to abort aborted map switching on player login :) 1905 # try to abort aborted map switching on player login :)
1788 # should happen only on crashes 1906 # should happen only on crashes
1789 if ($pl->ob->{_link_pos}) { 1907 if ($pl->ob->{_link_pos}) {
1790 $pl->ob->enter_link; 1908 $pl->ob->enter_link;
1791 (async { 1909 (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, 1910 $pl->ob->reply (undef,
1795 "There was an internal problem at your last logout, " 1911 "There was an internal problem at your last logout, "
1796 . "the server will try to bring you to your intended destination in a second.", 1912 . "the server will try to bring you to your intended destination in a second.",
1797 cf::NDI_RED); 1913 cf::NDI_RED);
1914 # we need this sleep as the login has a concurrent enter_exit running
1915 # and this sleep increases chances of the player not ending up in scorn
1798 Coro::Timer::sleep 1; 1916 Coro::Timer::sleep 1;
1799 $pl->ob->leave_link; 1917 $pl->ob->leave_link;
1800 })->prio (2); 1918 })->prio (2);
1801 } 1919 }
1802 }, 1920 },
1807=cut 1925=cut
1808 1926
1809sub cf::object::player::goto { 1927sub cf::object::player::goto {
1810 my ($self, $path, $x, $y) = @_; 1928 my ($self, $path, $x, $y) = @_;
1811 1929
1812 $path = new cf::path $path;
1813
1814 $self->enter_link; 1930 $self->enter_link;
1815 1931
1816 (async { 1932 (async {
1933 my $map = eval {
1817 my $map = cf::map::find $path->as_string; 1934 my $map = cf::map::find $path;
1818 $map = $map->customise_for ($self) if $map; 1935 $map = $map->customise_for ($self) if $map;
1819 1936 $map
1820# warn "entering ", $map->path, " at ($x, $y)\n" 1937 } or
1821# if $map;
1822
1823 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1938 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1824 1939
1825 $self->leave_link ($map, $x, $y); 1940 $self->leave_link ($map, $x, $y);
1826 })->prio (1); 1941 })->prio (1);
1827} 1942}
1828 1943
1832 1947
1833sub parse_random_map_params { 1948sub parse_random_map_params {
1834 my ($spec) = @_; 1949 my ($spec) = @_;
1835 1950
1836 my $rmp = { # defaults 1951 my $rmp = { # defaults
1837 xsize => 10, 1952 xsize => (cf::rndm 15, 40),
1838 ysize => 10, 1953 ysize => (cf::rndm 15, 40),
1954 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1955 #layout => string,
1839 }; 1956 };
1840 1957
1841 for (split /\n/, $spec) { 1958 for (split /\n/, $spec) {
1842 my ($k, $v) = split /\s+/, $_, 2; 1959 my ($k, $v) = split /\s+/, $_, 2;
1843 1960
1847 $rmp 1964 $rmp
1848} 1965}
1849 1966
1850sub prepare_random_map { 1967sub prepare_random_map {
1851 my ($exit) = @_; 1968 my ($exit) = @_;
1969
1970 my $guard = cf::lock_acquire "exit_prepare:$exit";
1852 1971
1853 # all this does is basically replace the /! path by 1972 # all this does is basically replace the /! path by
1854 # a new random map path (?random/...) with a seed 1973 # a new random map path (?random/...) with a seed
1855 # that depends on the exit object 1974 # that depends on the exit object
1856 1975
1857 my $rmp = parse_random_map_params $exit->msg; 1976 my $rmp = parse_random_map_params $exit->msg;
1858 1977
1859 if ($exit->map) { 1978 if ($exit->map) {
1860 $rmp->{region} = $exit->map->region_name; 1979 $rmp->{region} = $exit->region->name;
1861 $rmp->{origin_map} = $exit->map->path; 1980 $rmp->{origin_map} = $exit->map->path;
1862 $rmp->{origin_x} = $exit->x; 1981 $rmp->{origin_x} = $exit->x;
1863 $rmp->{origin_y} = $exit->y; 1982 $rmp->{origin_y} = $exit->y;
1864 } 1983 }
1865 1984
1866 $rmp->{random_seed} ||= $exit->random_seed; 1985 $rmp->{random_seed} ||= $exit->random_seed;
1867 1986
1868 my $data = cf::to_json $rmp; 1987 my $data = cf::to_json $rmp;
1869 my $md5 = Digest::MD5::md5_hex $data; 1988 my $md5 = Digest::MD5::md5_hex $data;
1989 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1870 1990
1871 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1991 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872 aio_write $fh, 0, (length $data), $data, 0; 1992 aio_write $fh, 0, (length $data), $data, 0;
1993 undef $fh;
1994 aio_rename "$meta~", $meta;
1873 1995
1874 $exit->slaying ("?random/$md5"); 1996 $exit->slaying ("?random/$md5");
1875 $exit->msg (undef); 1997 $exit->msg (undef);
1876 } 1998 }
1877} 1999}
1878 2000
1879sub cf::object::player::enter_exit { 2001sub cf::object::player::enter_exit {
1880 my ($self, $exit) = @_; 2002 my ($self, $exit) = @_;
1881 2003
1882 return unless $self->type == cf::PLAYER; 2004 return unless $self->type == cf::PLAYER;
2005
2006 if ($exit->slaying eq "/!") {
2007 #TODO: this should de-fi-ni-te-ly not be a sync-job
2008 # the problem is that $exit might not survive long enough
2009 # so it needs to be done right now, right here
2010 cf::sync_job { prepare_random_map $exit };
2011 }
2012
2013 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014 my $hp = $exit->stats->hp;
2015 my $sp = $exit->stats->sp;
1883 2016
1884 $self->enter_link; 2017 $self->enter_link;
1885 2018
1886 (async { 2019 (async {
1887 $self->deactivate_recursive; # just to be sure 2020 $self->deactivate_recursive; # just to be sure
1888 unless (eval { 2021 unless (eval {
1889 prepare_random_map $exit 2022 $self->goto ($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 2023
1895 1; 2024 1;
1896 }) { 2025 }) {
1897 $self->message ("Something went wrong deep within the crossfire server. " 2026 $self->message ("Something went wrong deep within the crossfire server. "
1898 . "I'll try to bring you back to the map you were before. " 2027 . "I'll try to bring you back to the map you were before. "
1899 . "Please report this to the dungeon master!", 2028 . "Please report this to the dungeon master!",
1900 cf::NDI_UNIQUE | cf::NDI_RED); 2029 cf::NDI_UNIQUE | cf::NDI_RED);
1901 2030
1902 warn "ERROR in enter_exit: $@"; 2031 warn "ERROR in enter_exit: $@";
1903 $self->leave_link; 2032 $self->leave_link;
1904 } 2033 }
1905 })->prio (1); 2034 })->prio (1);
1918 2047
1919sub cf::client::send_drawinfo { 2048sub cf::client::send_drawinfo {
1920 my ($self, $text, $flags) = @_; 2049 my ($self, $text, $flags) = @_;
1921 2050
1922 utf8::encode $text; 2051 utf8::encode $text;
1923 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2052 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924} 2053}
1925 2054
2055=item $client->ext_event ($type, %msg)
2056
2057Sends an exti event to the client.
2058
2059=cut
2060
2061sub cf::client::ext_event($$%) {
2062 my ($self, $type, %msg) = @_;
2063
2064 $msg{msgtype} = "event_$type";
2065 $self->send_packet ("ext " . cf::to_json \%msg);
2066}
1926 2067
1927=item $success = $client->query ($flags, "text", \&cb) 2068=item $success = $client->query ($flags, "text", \&cb)
1928 2069
1929Queues a query to the client, calling the given callback with 2070Queues a query to the client, calling the given callback with
1930the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2071the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959 # get handled first 2100 # get handled first
1960 my $queue = delete $ns->{query_queue} 2101 my $queue = delete $ns->{query_queue}
1961 or return; # be conservative, not sure how that can happen, but we saw a crash here 2102 or return; # be conservative, not sure how that can happen, but we saw a crash here
1962 2103
1963 (shift @$queue)->[1]->($msg); 2104 (shift @$queue)->[1]->($msg);
2105 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964 2106
1965 push @{ $ns->{query_queue} }, @$queue; 2107 push @{ $ns->{query_queue} }, @$queue;
1966 2108
1967 if (@{ $ns->{query_queue} } == @$queue) { 2109 if (@{ $ns->{query_queue} } == @$queue) {
1968 if (@$queue) { 2110 if (@$queue) {
2026 2168
2027# here we export the classes and methods available to script code 2169# here we export the classes and methods available to script code
2028 2170
2029=pod 2171=pod
2030 2172
2031The following fucntions and emthods are available within a safe environment: 2173The following functions and methods are available within a safe environment:
2032 2174
2033 cf::object contr pay_amount pay_player map 2175 cf::object contr pay_amount pay_player map
2034 cf::object::player player 2176 cf::object::player player
2035 cf::player peaceful 2177 cf::player peaceful
2036 cf::map trigger 2178 cf::map trigger
2129The parameter C<$family> should best start with the name of the extension 2271The parameter C<$family> should best start with the name of the extension
2130using it, it should be unique. 2272using it, it should be unique.
2131 2273
2132=over 4 2274=over 4
2133 2275
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 2276=item $value = cf::db_get $family => $key
2141 2277
2142Returns a single value from the database 2278Returns 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 2279
2149=item cf::db_put $family => $key => $value 2280=item cf::db_put $family => $key => $value
2150 2281
2151Stores the given C<$value> in the family hash. Updates are delayed, if you 2282Stores 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 2283
2162=cut 2284=cut
2163 2285
2164our $DB; 2286our $DB;
2165 2287
2166{ 2288sub db_init {
2289 unless ($DB) {
2290 $DB = BDB::db_create $DB_ENV;
2291
2292 cf::sync_job {
2293 eval {
2294 $DB->set_flags (BDB::CHKSUM);
2295
2296 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298 cf::cleanup "db_open(db): $!" if $!;
2299 };
2300 cf::cleanup "db_open(db): $@" if $@;
2301 };
2302
2167 my $path = cf::localdir . "/database.pst"; 2303 my $path = cf::localdir . "/database.pst";
2304 if (stat $path) {
2305 cf::sync_job {
2306 my $pst = Storable::retrieve $path;
2168 2307
2169 sub db_load() { 2308 cf::db_put (board => data => $pst->{board});
2170 $DB = stat $path ? Storable::retrieve $path : { }; 2309 cf::db_put (guildrules => data => $pst->{guildrules});
2171 } 2310 cf::db_put (rent => balance => $pst->{rent}{balance});
2311 BDB::db_env_txn_checkpoint $DB_ENV;
2172 2312
2173 my $pid; 2313 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 } 2314 };
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 }, 2315 }
2221 ); 2316 }
2317}
2318
2319sub db_get($$) {
2320 my $key = "$_[0]/$_[1]";
2321
2322 cf::sync_job {
2323 BDB::db_get $DB, undef, $key, my $data;
2324
2325 $! ? ()
2326 : Compress::LZF::sthaw $data
2327 }
2328}
2329
2330sub db_put($$$) {
2331 BDB::dbreq_pri 4;
2332 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2222} 2333}
2223 2334
2224############################################################################# 2335#############################################################################
2225# the server's main() 2336# the server's init and main functions
2337
2338sub load_facedata {
2339 my $path = sprintf "%s/facedata", cf::datadir;
2340
2341 warn "loading facedata from $path\n";
2342
2343 my $facedata;
2344 0 < aio_load $path, $facedata
2345 or die "$path: $!";
2346
2347 $facedata = Coro::Storable::thaw $facedata;
2348
2349 $facedata->{version} == 2
2350 or cf::cleanup "$path: version mismatch, cannot proceed.";
2351
2352 {
2353 my $faces = $facedata->{faceinfo};
2354
2355 while (my ($face, $info) = each %$faces) {
2356 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2357 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2358 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2359 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2360 Coro::cede;
2361 }
2362
2363 while (my ($face, $info) = each %$faces) {
2364 next unless $info->{smooth};
2365 my $idx = cf::face::find $face
2366 or next;
2367 if (my $smooth = cf::face::find $info->{smooth}) {
2368 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2369 } else {
2370 warn "smooth face '$info->{smooth}' not found for face '$face'";
2371 }
2372 Coro::cede;
2373 }
2374 }
2375
2376 {
2377 my $anims = $facedata->{animinfo};
2378
2379 while (my ($anim, $info) = each %$anims) {
2380 cf::anim::set $anim, $info->{frames}, $info->{facings};
2381 Coro::cede;
2382 }
2383
2384 cf::anim::invalidate_all; # d'oh
2385 }
2386
2387 1
2388}
2389
2390sub reload_resources {
2391 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2392 or die "unable to load regions file\n";#d#
2393 load_facedata
2394 or die "unable to load facedata\n";#d#
2395}
2396
2397sub init {
2398 reload_resources;
2399}
2226 2400
2227sub cfg_load { 2401sub cfg_load {
2228 open my $fh, "<:utf8", cf::confdir . "/config" 2402 open my $fh, "<:utf8", cf::confdir . "/config"
2229 or return; 2403 or return;
2230 2404
2247 2421
2248sub main { 2422sub main {
2249 # we must not ever block the main coroutine 2423 # we must not ever block the main coroutine
2250 local $Coro::idle = sub { 2424 local $Coro::idle = sub {
2251 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2425 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2426 (async {
2252 async { Event::one_event }; 2427 Event::one_event;
2428 })->prio (Coro::PRIO_MAX);
2253 }; 2429 };
2254 2430
2255 cfg_load; 2431 cfg_load;
2256 db_load; 2432 db_init;
2257 load_extensions; 2433 load_extensions;
2434
2435 $TICK_WATCHER->start;
2258 Event::loop; 2436 Event::loop;
2259} 2437}
2260 2438
2261############################################################################# 2439#############################################################################
2262# initialisation and cleanup 2440# initialisation and cleanup
2263 2441
2264# install some emergency cleanup handlers 2442# install some emergency cleanup handlers
2265BEGIN { 2443BEGIN {
2266 for my $signal (qw(INT HUP TERM)) { 2444 for my $signal (qw(INT HUP TERM)) {
2267 Event->signal ( 2445 Event->signal (
2446 reentrant => 0,
2268 data => WF_AUTOCANCEL, 2447 data => WF_AUTOCANCEL,
2269 signal => $signal, 2448 signal => $signal,
2449 prio => 0,
2270 cb => sub { 2450 cb => sub {
2271 cf::cleanup "SIG$signal"; 2451 cf::cleanup "SIG$signal";
2272 }, 2452 },
2273 ); 2453 );
2274 } 2454 }
2275} 2455}
2280 warn "enter emergency perl save\n"; 2460 warn "enter emergency perl save\n";
2281 2461
2282 cf::sync_job { 2462 cf::sync_job {
2283 # use a peculiar iteration method to avoid tripping on perl 2463 # use a peculiar iteration method to avoid tripping on perl
2284 # refcount bugs in for. also avoids problems with players 2464 # refcount bugs in for. also avoids problems with players
2285 # and maps saved/Destroyed asynchronously. 2465 # and maps saved/destroyed asynchronously.
2286 warn "begin emergency player save\n"; 2466 warn "begin emergency player save\n";
2287 for my $login (keys %cf::PLAYER) { 2467 for my $login (keys %cf::PLAYER) {
2288 my $pl = $cf::PLAYER{$login} or next; 2468 my $pl = $cf::PLAYER{$login} or next;
2289 $pl->valid or next; 2469 $pl->valid or next;
2290 $pl->save; 2470 $pl->save;
2296 my $map = $cf::MAP{$path} or next; 2476 my $map = $cf::MAP{$path} or next;
2297 $map->valid or next; 2477 $map->valid or next;
2298 $map->save; 2478 $map->save;
2299 } 2479 }
2300 warn "end emergency map save\n"; 2480 warn "end emergency map save\n";
2481
2482 warn "begin emergency database checkpoint\n";
2483 BDB::db_env_txn_checkpoint $DB_ENV;
2484 warn "end emergency database checkpoint\n";
2301 }; 2485 };
2302 2486
2303 warn "leave emergency perl save\n"; 2487 warn "leave emergency perl save\n";
2488}
2489
2490sub post_cleanup {
2491 my ($make_core) = @_;
2492
2493 warn Carp::longmess "post_cleanup backtrace"
2494 if $make_core;
2304} 2495}
2305 2496
2306sub reload() { 2497sub reload() {
2307 # can/must only be called in main 2498 # can/must only be called in main
2308 if ($Coro::current != $Coro::main) { 2499 if ($Coro::current != $Coro::main) {
2309 warn "can only reload from main coroutine\n"; 2500 warn "can only reload from main coroutine";
2310 return; 2501 return;
2311 } 2502 }
2312 2503
2313 warn "reloading..."; 2504 warn "reloading...";
2314 2505
2315 warn "freezing server"; 2506 warn "entering sync_job";
2316 my $guard = freeze_mainloop; 2507
2508 cf::sync_job {
2509 cf::write_runtime; # external watchdog should not bark
2317 cf::emergency_save; 2510 cf::emergency_save;
2511 cf::write_runtime; # external watchdog should not bark
2318 2512
2319 warn "sync database to disk"; 2513 warn "syncing database to disk";
2320 cf::db_sync; 2514 BDB::db_env_txn_checkpoint $DB_ENV;
2321 IO::AIO::flush;
2322 2515
2323 eval {
2324 # if anything goes wrong in here, we should simply crash as we already saved 2516 # if anything goes wrong in here, we should simply crash as we already saved
2325 2517
2326 warn "cancel all watchers"; 2518 warn "cancelling all WF_AUTOCANCEL watchers";
2327 for (Event::all_watchers) { 2519 for (Event::all_watchers) {
2328 $_->cancel if $_->data & WF_AUTOCANCEL; 2520 $_->cancel if $_->data & WF_AUTOCANCEL;
2329 } 2521 }
2330 2522
2523 warn "flushing outstanding aio requests";
2524 for (;;) {
2525 BDB::flush;
2526 IO::AIO::flush;
2527 Coro::cede;
2528 last unless IO::AIO::nreqs || BDB::nreqs;
2529 warn "iterate...";
2530 }
2531
2532 ++$RELOAD;
2533
2331 warn "cancel all extension coros"; 2534 warn "cancelling all extension coros";
2332 $_->cancel for values %EXT_CORO; 2535 $_->cancel for values %EXT_CORO;
2333 %EXT_CORO = (); 2536 %EXT_CORO = ();
2334 2537
2335 warn "remove commands"; 2538 warn "removing commands";
2336 %COMMAND = (); 2539 %COMMAND = ();
2337 2540
2338 warn "remove ext commands"; 2541 warn "removing ext commands";
2339 %EXTCMD = (); 2542 %EXTCMD = ();
2340 2543
2341 warn "unload/nuke all extensions"; 2544 warn "unloading/nuking all extensions";
2342 for my $pkg (@EXTS) { 2545 for my $pkg (@EXTS) {
2343 warn "... unloading $pkg"; 2546 warn "... unloading $pkg";
2344 2547
2345 if (my $cb = $pkg->can ("unload")) { 2548 if (my $cb = $pkg->can ("unload")) {
2346 eval { 2549 eval {
2351 2554
2352 warn "... nuking $pkg"; 2555 warn "... nuking $pkg";
2353 Symbol::delete_package $pkg; 2556 Symbol::delete_package $pkg;
2354 } 2557 }
2355 2558
2356 warn "unload all perl modules loaded from $LIBDIR"; 2559 warn "unloading all perl modules loaded from $LIBDIR";
2357 while (my ($k, $v) = each %INC) { 2560 while (my ($k, $v) = each %INC) {
2358 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2561 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359 2562
2360 warn "removing <$k>"; 2563 warn "... unloading $k";
2361 delete $INC{$k}; 2564 delete $INC{$k};
2362 2565
2363 $k =~ s/\.pm$//; 2566 $k =~ s/\.pm$//;
2364 $k =~ s/\//::/g; 2567 $k =~ s/\//::/g;
2365 2568
2368 } 2571 }
2369 2572
2370 Symbol::delete_package $k; 2573 Symbol::delete_package $k;
2371 } 2574 }
2372 2575
2373 warn "get rid of safe::, as good as possible"; 2576 warn "getting rid of safe::, as good as possible";
2374 Symbol::delete_package "safe::$_" 2577 Symbol::delete_package "safe::$_"
2375 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2578 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376 2579
2377 warn "unload cf.pm \"a bit\""; 2580 warn "unloading cf.pm \"a bit\"";
2378 delete $INC{"cf.pm"}; 2581 delete $INC{"cf.pm"};
2379 2582
2380 # don't, removes xs symbols, too, 2583 # don't, removes xs symbols, too,
2381 # and global variables created in xs 2584 # and global variables created in xs
2382 #Symbol::delete_package __PACKAGE__; 2585 #Symbol::delete_package __PACKAGE__;
2383 2586
2587 warn "unload completed, starting to reload now";
2588
2384 warn "reloading cf.pm"; 2589 warn "reloading cf.pm";
2385 require cf; 2590 require cf;
2386 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2591 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387 2592
2388 warn "load config and database again"; 2593 warn "loading config and database again";
2389 cf::cfg_load; 2594 cf::cfg_load;
2390 cf::db_load;
2391 2595
2392 warn "load extensions"; 2596 warn "loading extensions";
2393 cf::load_extensions; 2597 cf::load_extensions;
2394 2598
2395 warn "reattach attachments to objects/players"; 2599 warn "reattaching attachments to objects/players";
2396 _global_reattach; 2600 _global_reattach; # objects, sockets
2397 warn "reattach attachments to maps"; 2601 warn "reattaching attachments to maps";
2398 reattach $_ for values %MAP; 2602 reattach $_ for values %MAP;
2399 }; 2603 warn "reattaching attachments to players";
2604 reattach $_ for values %PLAYER;
2400 2605
2401 if ($@) { 2606 warn "loading reloadable resources";
2607 reload_resources;
2608
2609 warn "leaving sync_job";
2610
2611 1
2612 } or do {
2402 warn $@; 2613 warn $@;
2403 warn "error while reloading, exiting."; 2614 warn "error while reloading, exiting.";
2404 exit 1; 2615 exit 1;
2405 } 2616 };
2406 2617
2407 warn "reloaded"; 2618 warn "reloaded";
2408}; 2619};
2409 2620
2410############################################################################# 2621our $RELOAD_WATCHER; # used only during reload
2411
2412unless ($LINK_MAP) {
2413 $LINK_MAP = cf::map::new;
2414
2415 $LINK_MAP->width (41);
2416 $LINK_MAP->height (41);
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,
2425 cb => sub {
2426 $_[0]->w->cancel;
2427
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 });
2446
2447 $LINK_MAP->{deny_save} = 1;
2448 $LINK_MAP->{deny_reset} = 1;
2449
2450 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451}
2452 2622
2453register_command "reload" => sub { 2623register_command "reload" => sub {
2454 my ($who, $arg) = @_; 2624 my ($who, $arg) = @_;
2455 2625
2456 if ($who->flag (FLAG_WIZ)) { 2626 if ($who->flag (FLAG_WIZ)) {
2457 $who->message ("start of reload."); 2627 $who->message ("reloading server.");
2628
2629 # doing reload synchronously and two reloads happen back-to-back,
2630 # coro crashes during coro_state_free->destroy here.
2631
2632 $RELOAD_WATCHER ||= Event->timer (
2633 reentrant => 0,
2634 after => 0,
2635 data => WF_AUTOCANCEL,
2636 cb => sub {
2458 reload; 2637 reload;
2459 $who->message ("end of reload."); 2638 undef $RELOAD_WATCHER;
2639 },
2640 );
2460 } 2641 }
2461}; 2642};
2462 2643
2463unshift @INC, $LIBDIR; 2644unshift @INC, $LIBDIR;
2645
2646my $bug_warning = 0;
2464 2647
2465$TICK_WATCHER = Event->timer ( 2648$TICK_WATCHER = Event->timer (
2466 reentrant => 0, 2649 reentrant => 0,
2650 parked => 1,
2467 prio => 0, 2651 prio => 0,
2468 at => $NEXT_TICK || $TICK, 2652 at => $NEXT_TICK || $TICK,
2469 data => WF_AUTOCANCEL, 2653 data => WF_AUTOCANCEL,
2470 cb => sub { 2654 cb => sub {
2655 if ($Coro::current != $Coro::main) {
2656 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657 unless ++$bug_warning > 10;
2658 return;
2659 }
2660
2661 $NOW = Event::time;
2662
2471 cf::server_tick; # one server iteration 2663 cf::server_tick; # one server iteration
2472 $RUNTIME += $TICK; 2664 $RUNTIME += $TICK;
2473 $NEXT_TICK += $TICK; 2665 $NEXT_TICK += $TICK;
2474 2666
2667 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668 $NEXT_RUNTIME_WRITE = $NOW + 10;
2669 Coro::async_pool {
2670 write_runtime
2671 or warn "ERROR: unable to write runtime file: $!";
2672 };
2673 }
2674
2475 $WAIT_FOR_TICK->broadcast; 2675 $WAIT_FOR_TICK->broadcast;
2476 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2676 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678# my $AFTER = Event::time;
2679# warn $AFTER - $NOW;#d#
2477 2680
2478 # if we are delayed by four ticks or more, skip them all 2681 # if we are delayed by four ticks or more, skip them all
2479 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2682 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480 2683
2481 $TICK_WATCHER->at ($NEXT_TICK); 2684 $TICK_WATCHER->at ($NEXT_TICK);
2482 $TICK_WATCHER->start; 2685 $TICK_WATCHER->start;
2483 }, 2686 },
2484); 2687);
2485 2688
2689{
2486IO::AIO::max_poll_time $TICK * 0.2; 2690 BDB::max_poll_time $TICK * 0.1;
2487 2691 $BDB_POLL_WATCHER = Event->io (
2488Event->io ( 2692 reentrant => 0,
2489 fd => IO::AIO::poll_fileno, 2693 fd => BDB::poll_fileno,
2490 poll => 'r', 2694 poll => 'r',
2491 prio => 5, 2695 prio => 0,
2492 data => WF_AUTOCANCEL,
2493 cb => \&IO::AIO::poll_cb,
2494);
2495
2496Event->timer (
2497 data => WF_AUTOCANCEL, 2696 data => WF_AUTOCANCEL,
2498 after => 0, 2697 cb => \&BDB::poll_cb,
2499 interval => 10, 2698 );
2500 cb => sub { 2699 BDB::min_parallel 8;
2501 (Coro::unblock_sub { 2700
2502 write_runtime 2701 BDB::set_sync_prepare {
2503 or warn "ERROR: unable to write runtime file: $!"; 2702 my $status;
2703 my $current = $Coro::current;
2704 (
2705 sub {
2706 $status = $!;
2707 $current->ready; undef $current;
2708 },
2709 sub {
2710 Coro::schedule while defined $current;
2711 $! = $status;
2712 },
2713 )
2714 };
2715
2716 unless ($DB_ENV) {
2717 $DB_ENV = BDB::db_env_create;
2718
2719 cf::sync_job {
2720 eval {
2721 BDB::db_env_open
2722 $DB_ENV,
2723 $BDB_ENV_DIR,
2724 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726 0666;
2727
2728 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2729
2730 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731 $DB_ENV->set_lk_detect;
2732 };
2733
2734 cf::cleanup "db_env_open(db): $@" if $@;
2504 })->(); 2735 };
2505 }, 2736 }
2506); 2737}
2738
2739{
2740 IO::AIO::min_parallel 8;
2741
2742 undef $Coro::AIO::WATCHER;
2743 IO::AIO::max_poll_time $TICK * 0.1;
2744 $AIO_POLL_WATCHER = Event->io (
2745 reentrant => 0,
2746 data => WF_AUTOCANCEL,
2747 fd => IO::AIO::poll_fileno,
2748 poll => 'r',
2749 prio => 6,
2750 cb => \&IO::AIO::poll_cb,
2751 );
2752}
2507 2753
2508END { cf::emergency_save } 2754END { cf::emergency_save }
2509 2755
25101 27561
2511 2757

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