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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.242 by root, Mon Apr 16 12:37:08 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 3.5 (); 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;
49our $AIO_POLL_WATCHER; 61our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 63our $NEXT_TICK;
52our $NOW; 64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off
66
67our $BDB_POLL_WATCHER;
68our $DB_ENV;
53 69
54our %CFG; 70our %CFG;
55 71
56our $UPTIME; $UPTIME ||= time; 72our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 73our $RUNTIME;
58 74
59our %PLAYER; # all users 75our %PLAYER; # all users
60our %MAP; # all maps 76our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 77our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
63 79our $BDB_ENV_DIR = cf::localdir . "/db";
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 80
67# used to convert map paths into valid unix filenames by replacing / by ∕ 81# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 83
70binmode STDOUT; 84binmode STDOUT;
80mkdir cf::localdir; 94mkdir cf::localdir;
81mkdir cf::localdir . "/" . cf::playerdir; 95mkdir cf::localdir . "/" . cf::playerdir;
82mkdir cf::localdir . "/" . cf::tmpdir; 96mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir; 97mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS; 98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
85 100
86our $EMERGENCY_POSITION; 101our $EMERGENCY_POSITION;
87 102
88sub cf::map::normalise; 103sub cf::map::normalise;
89 104
118=item %cf::CFG 133=item %cf::CFG
119 134
120Configuration for the server, loaded from C</etc/crossfire/config>, or 135Configuration for the server, loaded from C</etc/crossfire/config>, or
121from wherever your confdir points to. 136from wherever your confdir points to.
122 137
123=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 138=item cf::wait_for_tick, cf::wait_for_tick_begin
124 139
125These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 141returns directly I<after> the tick processing (and consequently, can only wake one process
127processing has been done. Call C<< ->wait >> on them to maximise the 142per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128window of cpu time available, or simply to synchronise to the server tick.
129 143
130=back 144=back
131 145
132=cut 146=cut
133 147
192 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 206 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193 $d 207 $d
194 } || "[unable to dump $_[0]: '$@']"; 208 } || "[unable to dump $_[0]: '$@']";
195} 209}
196 210
197use JSON::Syck (); # TODO# replace by JSON::PC once working 211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
198 212
199=item $ref = cf::from_json $json 213=item $ref = cf::from_json $json
200 214
201Converts a JSON string into the corresponding perl data structure. 215Converts a JSON string into the corresponding perl data structure.
202 216
203=cut
204
205sub from_json($) {
206 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207 JSON::Syck::Load $_[0]
208}
209
210=item $json = cf::to_json $ref 217=item $json = cf::to_json $ref
211 218
212Converts a perl data structure into its JSON representation. 219Converts a perl data structure into its JSON representation.
213
214=cut
215
216sub to_json($) {
217 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
218 JSON::Syck::Dump $_[0]
219}
220 220
221=item cf::lock_wait $string 221=item cf::lock_wait $string
222 222
223Wait until the given lock is available. See cf::lock_acquire. 223Wait until the given lock is available. See cf::lock_acquire.
224 224
263sub freeze_mainloop { 263sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 264 return unless $TICK_WATCHER->is_active;
265 265
266 my $guard = Coro::guard { 266 my $guard = Coro::guard {
267 $TICK_WATCHER->start; 267 $TICK_WATCHER->start;
268 $WRITE_RUNTIME_WATCHER->start;
269 }; 268 };
270 $WRITE_RUNTIME_WATCHER->stop;
271 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
272 $guard 270 $guard
273} 271}
274 272
275=item cf::async { BLOCK } 273=item cf::async { BLOCK }
346 344
347 $coro 345 $coro
348} 346}
349 347
350sub write_runtime { 348sub write_runtime {
349 my $guard = cf::lock_acquire "write_runtime";
350
351 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
352 352
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
354 or return; 354 or return;
355 355
358 # 60 allows for the watchdog to kill the server. 358 # 60 allows for the watchdog to kill the server.
359 359
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
361 and return; 361 and return;
362 362
363 # always fsync - this file is important
363 aio_fsync $fh 364 aio_fsync $fh
364 and return; 365 and return;
365 366
366 close $fh 367 close $fh
367 or return; 368 or return;
368 369
369 aio_rename "$runtime~", $runtime 370 aio_rename "$runtime~", $runtime
370 and return; 371 and return;
371 372
372 1 373 1
374}
375
376=item cf::datalog type => key => value, ...
377
378Log a datalog packet of the given type with the given key-value pairs.
379
380=cut
381
382sub datalog($@) {
383 my ($type, %kv) = @_;
384 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373} 385}
374 386
375=back 387=back
376 388
377=cut 389=cut
752 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
753 765
754 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
756 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
758 close $fh; 770 close $fh;
759 771
760 if (@$objs) { 772 if (@$objs) {
761 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 773 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
763 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
764 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
765 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
766 close $fh; 778 close $fh;
767 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
768 } 780 }
769 } else { 781 } else {
770 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
776 } 788 }
777 } else { 789 } else {
778 aio_unlink $filename; 790 aio_unlink $filename;
779 aio_unlink "$filename.pst"; 791 aio_unlink "$filename.pst";
780 } 792 }
781
782 #d##TODO# nuke non .map-files if exist
783 if ($filename =~ s/\.map$//) {
784 aio_unlink $filename;
785 aio_unlink "$filename.pst";
786 }
787 } 793 }
788} 794}
789 795
790sub object_freezer_as_string { 796sub object_freezer_as_string {
791 my ($rdata, $objs) = @_; 797 my ($rdata, $objs) = @_;
797 803
798sub object_thawer_load { 804sub object_thawer_load {
799 my ($filename) = @_; 805 my ($filename) = @_;
800 806
801 my ($data, $av); 807 my ($data, $av);
802
803 #d#TODO remove .map if file does not exist
804 aio_stat $filename and $filename =~ s/\.map$//;
805 808
806 (aio_load $filename, $data) >= 0 809 (aio_load $filename, $data) >= 0
807 or return; 810 or return;
808 811
809 unless (aio_stat "$filename.pst") { 812 unless (aio_stat "$filename.pst") {
958} 961}
959 962
960sub path($) { 963sub path($) {
961 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962 965
963 (playerdir $login) . "/$login.pl" 966 (playerdir $login) . "/playerdata"
964} 967}
965 968
966sub find_active($) { 969sub find_active($) {
967 $cf::PLAYER{$_[0]} 970 $cf::PLAYER{$_[0]}
968 and $cf::PLAYER{$_[0]}->active 971 and $cf::PLAYER{$_[0]}->active
981 my $login = $_[0]; 984 my $login = $_[0];
982 985
983 my $guard = cf::lock_acquire "user_find:$login"; 986 my $guard = cf::lock_acquire "user_find:$login";
984 987
985 $cf::PLAYER{$_[0]} || do { 988 $cf::PLAYER{$_[0]} || do {
989 # rename old playerfiles to new ones
990 #TODO: remove when no longer required
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl";
995
986 my $pl = load_pl path $login 996 my $pl = load_pl path $login
987 or return; 997 or return;
988 $cf::PLAYER{$login} = $pl 998 $cf::PLAYER{$login} = $pl
989 } 999 }
990 } 1000 }
1027 1037
1028=cut 1038=cut
1029 1039
1030sub quit_character { 1040sub quit_character {
1031 my ($pl) = @_; 1041 my ($pl) = @_;
1042
1043 my $name = $pl->ob->name;
1032 1044
1033 $pl->{deny_save} = 1; 1045 $pl->{deny_save} = 1;
1034 $pl->password ("*"); # this should lock out the player until we nuked the dir 1046 $pl->password ("*"); # this should lock out the player until we nuked the dir
1035 1047
1036 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041 my $path = playerdir $pl; 1053 my $path = playerdir $pl;
1042 my $temp = "$path~$cf::RUNTIME~deleting~"; 1054 my $temp = "$path~$cf::RUNTIME~deleting~";
1043 aio_rename $path, $temp; 1055 aio_rename $path, $temp;
1044 delete $cf::PLAYER{$pl->ob->name}; 1056 delete $cf::PLAYER{$pl->ob->name};
1045 $pl->destroy; 1057 $pl->destroy;
1058
1059 my $prefix = qr<^~\Q$name\E/>;
1060
1061 # nuke player maps
1062 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1063
1046 IO::AIO::aio_rmtree $temp; 1064 IO::AIO::aio_rmtree $temp;
1065}
1066
1067=item $pl->kick
1068
1069Kicks a player out of the game. This destroys the connection.
1070
1071=cut
1072
1073sub kick {
1074 my ($pl, $kicker) = @_;
1075
1076 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1077 $pl->killer ("kicked");
1078 $pl->ns->destroy;
1047} 1079}
1048 1080
1049=item cf::player::list_logins 1081=item cf::player::list_logins
1050 1082
1051Returns am arrayref of all valid playernames in the system, can take a 1083Returns am arrayref of all valid playernames in the system, can take a
1079=cut 1111=cut
1080 1112
1081sub maps($) { 1113sub maps($) {
1082 my ($pl) = @_; 1114 my ($pl) = @_;
1083 1115
1116 $pl = ref $pl ? $pl->ob->name : $pl;
1117
1084 my $files = aio_readdir playerdir $pl 1118 my $files = aio_readdir playerdir $pl
1085 or return; 1119 or return;
1086 1120
1087 my @paths; 1121 my @paths;
1088 1122
1089 for (@$files) { 1123 for (@$files) {
1090 utf8::decode $_; 1124 utf8::decode $_;
1091 next if /\.(?:pl|pst)$/; 1125 next if /\.(?:pl|pst)$/;
1092 next unless /^$PATH_SEP/o; 1126 next unless /^$PATH_SEP/o;
1093 1127
1094 push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_; 1128 push @paths, cf::map::normalise "~$pl/$_";
1095 } 1129 }
1096 1130
1097 \@paths 1131 \@paths
1098} 1132}
1099 1133
1100=item $player->ext_reply ($msgid, $msgtype, %msg) 1134=item $player->ext_reply ($msgid, %msg)
1101 1135
1102Sends an ext reply to the player. 1136Sends an ext reply to the player.
1103 1137
1104=cut 1138=cut
1105 1139
1106sub ext_reply($$$%) { 1140sub ext_reply($$%) {
1107 my ($self, $id, %msg) = @_; 1141 my ($self, $id, %msg) = @_;
1108 1142
1109 $msg{msgid} = $id; 1143 $msg{msgid} = $id;
1110 1144
1111 $self->send ("ext " . cf::to_json \%msg); 1145 $self->send ("ext " . cf::to_json \%msg);
1112} 1146}
1113 1147
1114package cf; 1148=item $player->ext_event ($type, %msg)
1149
1150Sends an ext event to the client.
1151
1152=cut
1153
1154sub ext_event($$%) {
1155 my ($self, $type, %msg) = @_;
1156
1157 $self->ns->ext_event ($type, %msg);
1158}
1159
1160=head3 cf::region
1161
1162=over 4
1163
1164=cut
1165
1166package cf::region;
1167
1168=item cf::region::find_by_path $path
1169
1170Tries to decuce the probable region for a map knowing only its path.
1171
1172=cut
1173
1174sub find_by_path($) {
1175 my ($path) = @_;
1176
1177 my ($match, $specificity);
1178
1179 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) {
1181 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity;
1183 }
1184 }
1185
1186 $match
1187}
1115 1188
1116=back 1189=back
1117
1118 1190
1119=head3 cf::map 1191=head3 cf::map
1120 1192
1121=over 4 1193=over 4
1122 1194
1294 my ($self) = @_; 1366 my ($self) = @_;
1295 1367
1296 utf8::encode (my $save = $self->save_path); 1368 utf8::encode (my $save = $self->save_path);
1297 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1370 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300 #d#TODO remove .map and also nuke
1301 $save =~ s/\.map// or return;#d#
1302 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304} 1371}
1305 1372
1306sub load_header_from($) { 1373sub load_header_from($) {
1307 my ($self, $path) = @_; 1374 my ($self, $path) = @_;
1308 1375
1358 $self->load_header_orig 1425 $self->load_header_orig
1359 or return; 1426 or return;
1360 $self->prepare_orig; 1427 $self->prepare_orig;
1361 } 1428 }
1362 1429
1430 $self->default_region (cf::region::find_by_path $self->{path})
1431 unless $self->default_region;
1432
1363 1 1433 1
1364} 1434}
1365 1435
1366sub find; 1436sub find;
1367sub find { 1437sub find {
1409 $self->in_memory (cf::MAP_LOADING); 1479 $self->in_memory (cf::MAP_LOADING);
1410 1480
1411 $self->alloc; 1481 $self->alloc;
1412 1482
1413 $self->pre_load; 1483 $self->pre_load;
1484 Coro::cede;
1414 1485
1415 $self->_load_objects ($self->{load_path}, 1) 1486 $self->_load_objects ($self->{load_path}, 1)
1416 or return; 1487 or return;
1417 1488
1418 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1425 $self->_load_objects ($uniq, 0); 1496 $self->_load_objects ($uniq, 0);
1426 } 1497 }
1427 } 1498 }
1428 1499
1429 Coro::cede; 1500 Coro::cede;
1430
1431 # now do the right thing for maps 1501 # now do the right thing for maps
1432 $self->link_multipart_objects; 1502 $self->link_multipart_objects;
1503 Coro::cede;
1433 1504
1434 unless ($self->{deny_activate}) { 1505 unless ($self->{deny_activate}) {
1435 $self->decay_objects; 1506 $self->decay_objects;
1436 $self->fix_auto_apply; 1507 $self->fix_auto_apply;
1437 $self->update_buttons; 1508 $self->update_buttons;
1439 $self->set_darkness_map; 1510 $self->set_darkness_map;
1440 $self->difficulty ($self->estimate_difficulty) 1511 $self->difficulty ($self->estimate_difficulty)
1441 unless $self->difficulty; 1512 unless $self->difficulty;
1442 Coro::cede; 1513 Coro::cede;
1443 $self->activate; 1514 $self->activate;
1515 Coro::cede;
1444 } 1516 }
1445 1517
1446 $self->post_load; 1518 $self->post_load;
1519 Coro::cede;
1447 1520
1448 $self->in_memory (cf::MAP_IN_MEMORY); 1521 $self->in_memory (cf::MAP_IN_MEMORY);
1449} 1522}
1450 1523
1451sub customise_for { 1524sub customise_for {
1596 return if $self->players; 1669 return if $self->players;
1597 return if $self->isa ("ext::map_per_player");#d# 1670 return if $self->isa ("ext::map_per_player");#d#
1598 1671
1599 warn "resetting map ", $self->path;#d# 1672 warn "resetting map ", $self->path;#d#
1600 1673
1674 $self->in_memory (cf::MAP_SWAPPED);
1675
1676 # need to save uniques path
1677 unless ($self->{deny_save}) {
1678 my $uniq = $self->uniq_path; utf8::encode $uniq;
1679
1680 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1681 if $uniq;
1682 }
1683
1601 delete $cf::MAP{$self->path}; 1684 delete $cf::MAP{$self->path};
1602 1685
1603 $self->in_memory (cf::MAP_SWAPPED);
1604 $self->clear; 1686 $self->clear;
1605 1687
1606 $_->clear_links_to ($self) for values %cf::MAP; 1688 $_->clear_links_to ($self) for values %cf::MAP;
1607 1689
1608 $self->unlink_save; 1690 $self->unlink_save;
1798 $map->load; 1880 $map->load;
1799 $map->load_diag; 1881 $map->load_diag;
1800 1882
1801 return unless $self->contr->active; 1883 return unless $self->contr->active;
1802 $self->activate_recursive; 1884 $self->activate_recursive;
1885
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803 $self->enter_map ($map, $x, $y); 1887 $self->enter_map ($map, $x, $y);
1804} 1888}
1805 1889
1806cf::player->attach ( 1890cf::player->attach (
1807 on_logout => sub { 1891 on_logout => sub {
1820 # try to abort aborted map switching on player login :) 1904 # try to abort aborted map switching on player login :)
1821 # should happen only on crashes 1905 # should happen only on crashes
1822 if ($pl->ob->{_link_pos}) { 1906 if ($pl->ob->{_link_pos}) {
1823 $pl->ob->enter_link; 1907 $pl->ob->enter_link;
1824 (async { 1908 (async {
1825 # we need this sleep as the login has a concurrent enter_exit running
1826 # and this sleep increases chances of the player not ending up in scorn
1827 $pl->ob->reply (undef, 1909 $pl->ob->reply (undef,
1828 "There was an internal problem at your last logout, " 1910 "There was an internal problem at your last logout, "
1829 . "the server will try to bring you to your intended destination in a second.", 1911 . "the server will try to bring you to your intended destination in a second.",
1830 cf::NDI_RED); 1912 cf::NDI_RED);
1913 # we need this sleep as the login has a concurrent enter_exit running
1914 # and this sleep increases chances of the player not ending up in scorn
1831 Coro::Timer::sleep 1; 1915 Coro::Timer::sleep 1;
1832 $pl->ob->leave_link; 1916 $pl->ob->leave_link;
1833 })->prio (2); 1917 })->prio (2);
1834 } 1918 }
1835 }, 1919 },
1918 2002
1919 return unless $self->type == cf::PLAYER; 2003 return unless $self->type == cf::PLAYER;
1920 2004
1921 if ($exit->slaying eq "/!") { 2005 if ($exit->slaying eq "/!") {
1922 #TODO: this should de-fi-ni-te-ly not be a sync-job 2006 #TODO: this should de-fi-ni-te-ly not be a sync-job
2007 # the problem is that $exit might not survive long enough
2008 # so it needs to be done right now, right here
1923 cf::sync_job { prepare_random_map $exit }; 2009 cf::sync_job { prepare_random_map $exit };
1924 } 2010 }
1925 2011
1926 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2012 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927 my $hp = $exit->stats->hp; 2013 my $hp = $exit->stats->hp;
1935 $self->goto ($slaying, $hp, $sp); 2021 $self->goto ($slaying, $hp, $sp);
1936 2022
1937 1; 2023 1;
1938 }) { 2024 }) {
1939 $self->message ("Something went wrong deep within the crossfire server. " 2025 $self->message ("Something went wrong deep within the crossfire server. "
1940 . "I'll try to bring you back to the map you were before. " 2026 . "I'll try to bring you back to the map you were before. "
1941 . "Please report this to the dungeon master!", 2027 . "Please report this to the dungeon master!",
1942 cf::NDI_UNIQUE | cf::NDI_RED); 2028 cf::NDI_UNIQUE | cf::NDI_RED);
1943 2029
1944 warn "ERROR in enter_exit: $@"; 2030 warn "ERROR in enter_exit: $@";
1945 $self->leave_link; 2031 $self->leave_link;
1946 } 2032 }
1947 })->prio (1); 2033 })->prio (1);
1960 2046
1961sub cf::client::send_drawinfo { 2047sub cf::client::send_drawinfo {
1962 my ($self, $text, $flags) = @_; 2048 my ($self, $text, $flags) = @_;
1963 2049
1964 utf8::encode $text; 2050 utf8::encode $text;
1965 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966} 2052}
1967 2053
2054=item $client->ext_event ($type, %msg)
2055
2056Sends an exti event to the client.
2057
2058=cut
2059
2060sub cf::client::ext_event($$%) {
2061 my ($self, $type, %msg) = @_;
2062
2063 $msg{msgtype} = "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg);
2065}
1968 2066
1969=item $success = $client->query ($flags, "text", \&cb) 2067=item $success = $client->query ($flags, "text", \&cb)
1970 2068
1971Queues a query to the client, calling the given callback with 2069Queues a query to the client, calling the given callback with
1972the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2001 # get handled first 2099 # get handled first
2002 my $queue = delete $ns->{query_queue} 2100 my $queue = delete $ns->{query_queue}
2003 or return; # be conservative, not sure how that can happen, but we saw a crash here 2101 or return; # be conservative, not sure how that can happen, but we saw a crash here
2004 2102
2005 (shift @$queue)->[1]->($msg); 2103 (shift @$queue)->[1]->($msg);
2104 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006 2105
2007 push @{ $ns->{query_queue} }, @$queue; 2106 push @{ $ns->{query_queue} }, @$queue;
2008 2107
2009 if (@{ $ns->{query_queue} } == @$queue) { 2108 if (@{ $ns->{query_queue} } == @$queue) {
2010 if (@$queue) { 2109 if (@$queue) {
2068 2167
2069# here we export the classes and methods available to script code 2168# here we export the classes and methods available to script code
2070 2169
2071=pod 2170=pod
2072 2171
2073The following fucntions and emthods are available within a safe environment: 2172The following functions and methods are available within a safe environment:
2074 2173
2075 cf::object contr pay_amount pay_player map 2174 cf::object contr pay_amount pay_player map
2076 cf::object::player player 2175 cf::object::player player
2077 cf::player peaceful 2176 cf::player peaceful
2078 cf::map trigger 2177 cf::map trigger
2171The parameter C<$family> should best start with the name of the extension 2270The parameter C<$family> should best start with the name of the extension
2172using it, it should be unique. 2271using it, it should be unique.
2173 2272
2174=over 4 2273=over 4
2175 2274
2176=item $hashref = cf::db_get $family
2177
2178Return a hashref for use by the extension C<$family>, which can be
2179modified. After modifications, you have to call C<cf::db_dirty> or
2180C<cf::db_sync>.
2181
2182=item $value = cf::db_get $family => $key 2275=item $value = cf::db_get $family => $key
2183 2276
2184Returns a single value from the database 2277Returns a single value from the database.
2185
2186=item cf::db_put $family => $hashref
2187
2188Stores the given family hashref into the database. Updates are delayed, if
2189you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190 2278
2191=item cf::db_put $family => $key => $value 2279=item cf::db_put $family => $key => $value
2192 2280
2193Stores the given C<$value> in the family hash. Updates are delayed, if you 2281Stores the given C<$value> in the family.
2194want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196=item cf::db_dirty
2197
2198Marks the database as dirty, to be updated at a later time.
2199
2200=item cf::db_sync
2201
2202Immediately write the database to disk I<if it is dirty>.
2203 2282
2204=cut 2283=cut
2205 2284
2206our $DB; 2285our $DB;
2207 2286
2208{ 2287sub db_init {
2288 unless ($DB) {
2289 $DB = BDB::db_create $DB_ENV;
2290
2291 cf::sync_job {
2292 eval {
2293 $DB->set_flags (BDB::CHKSUM);
2294
2295 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297 cf::cleanup "db_open(db): $!" if $!;
2298 };
2299 cf::cleanup "db_open(db): $@" if $@;
2300 };
2301
2209 my $path = cf::localdir . "/database.pst"; 2302 my $path = cf::localdir . "/database.pst";
2303 if (stat $path) {
2304 cf::sync_job {
2305 my $pst = Storable::retrieve $path;
2210 2306
2211 sub db_load() { 2307 cf::db_put (board => data => $pst->{board});
2212 $DB = stat $path ? Storable::retrieve $path : { }; 2308 cf::db_put (guildrules => data => $pst->{guildrules});
2213 } 2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
2214 2311
2215 my $pid; 2312 unlink $path;
2216
2217 sub db_save() {
2218 waitpid $pid, 0 if $pid;
2219 if (0 == ($pid = fork)) {
2220 $DB->{_meta}{version} = 1;
2221 Storable::nstore $DB, "$path~";
2222 rename "$path~", $path;
2223 cf::_exit 0 if defined $pid;
2224 } 2313 };
2225 }
2226
2227 my $dirty;
2228
2229 sub db_sync() {
2230 db_save if $dirty;
2231 undef $dirty;
2232 }
2233
2234 my $idle = Event->idle (
2235 reentrant => 0,
2236 min => 10,
2237 max => 20,
2238 repeat => 0,
2239 data => WF_AUTOCANCEL,
2240 cb => \&db_sync,
2241 );
2242
2243 sub db_dirty() {
2244 $dirty = 1;
2245 $idle->start;
2246 }
2247
2248 sub db_get($;$) {
2249 @_ >= 2
2250 ? $DB->{$_[0]}{$_[1]}
2251 : ($DB->{$_[0]} ||= { })
2252 }
2253
2254 sub db_put($$;$) {
2255 if (@_ >= 3) {
2256 $DB->{$_[0]}{$_[1]} = $_[2];
2257 } else {
2258 $DB->{$_[0]} = $_[1];
2259 }
2260 db_dirty;
2261 }
2262
2263 cf::global->attach (
2264 prio => 10000,
2265 on_cleanup => sub {
2266 db_sync;
2267 }, 2314 }
2268 ); 2315 }
2316}
2317
2318sub db_get($$) {
2319 my $key = "$_[0]/$_[1]";
2320
2321 cf::sync_job {
2322 BDB::db_get $DB, undef, $key, my $data;
2323
2324 $! ? ()
2325 : Compress::LZF::sthaw $data
2326 }
2327}
2328
2329sub db_put($$$) {
2330 BDB::dbreq_pri 4;
2331 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269} 2332}
2270 2333
2271############################################################################# 2334#############################################################################
2272# the server's main() 2335# the server's init and main functions
2336
2337sub load_facedata {
2338 my $path = sprintf "%s/facedata", cf::datadir;
2339
2340 warn "loading facedata from $path\n";
2341
2342 my $facedata;
2343 0 < aio_load $path, $facedata
2344 or die "$path: $!";
2345
2346 $facedata = Coro::Storable::thaw $facedata;
2347
2348 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350
2351 {
2352 my $faces = $facedata->{faceinfo};
2353
2354 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2359 Coro::cede;
2360 }
2361
2362 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth};
2364 my $idx = cf::face::find $face
2365 or next;
2366 if (my $smooth = cf::face::find $info->{smooth}) {
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2368 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 }
2371 Coro::cede;
2372 }
2373 }
2374
2375 {
2376 my $anims = $facedata->{animinfo};
2377
2378 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede;
2381 }
2382
2383 cf::anim::invalidate_all; # d'oh
2384 }
2385
2386 1
2387}
2388
2389our $archetypes_loaded;
2390
2391sub load_archetypes {
2392 return 1 if $archetypes_loaded++; # current can only load them once
2393# load_archetype_file sprintf "%s/archetypes", cf::datadir;
2394 load_archetype_file sprintf "%s/archetypes", cf::datadir
2395}
2396
2397sub load_treasures {
2398 load_treasure_file sprintf "%s/treasures", cf::datadir
2399}
2400
2401sub reload_resources {
2402 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2403 or die "unable to load regions file\n";
2404 load_facedata
2405 or die "unable to load facedata\n";
2406 load_archetypes
2407 or die "unable to load archetypes\n";
2408 load_treasures
2409 or die "unable to load treasurelists\n";
2410}
2411
2412sub init {
2413 reload_resources;
2414}
2273 2415
2274sub cfg_load { 2416sub cfg_load {
2275 open my $fh, "<:utf8", cf::confdir . "/config" 2417 open my $fh, "<:utf8", cf::confdir . "/config"
2276 or return; 2418 or return;
2277 2419
2300 Event::one_event; 2442 Event::one_event;
2301 })->prio (Coro::PRIO_MAX); 2443 })->prio (Coro::PRIO_MAX);
2302 }; 2444 };
2303 2445
2304 cfg_load; 2446 cfg_load;
2305 db_load; 2447 db_init;
2306 load_extensions; 2448 load_extensions;
2307 2449
2308 $TICK_WATCHER->start; 2450 $TICK_WATCHER->start;
2309 Event::loop; 2451 Event::loop;
2310} 2452}
2349 my $map = $cf::MAP{$path} or next; 2491 my $map = $cf::MAP{$path} or next;
2350 $map->valid or next; 2492 $map->valid or next;
2351 $map->save; 2493 $map->save;
2352 } 2494 }
2353 warn "end emergency map save\n"; 2495 warn "end emergency map save\n";
2496
2497 warn "begin emergency database checkpoint\n";
2498 BDB::db_env_txn_checkpoint $DB_ENV;
2499 warn "end emergency database checkpoint\n";
2354 }; 2500 };
2355 2501
2356 warn "leave emergency perl save\n"; 2502 warn "leave emergency perl save\n";
2503}
2504
2505sub post_cleanup {
2506 my ($make_core) = @_;
2507
2508 warn Carp::longmess "post_cleanup backtrace"
2509 if $make_core;
2357} 2510}
2358 2511
2359sub reload() { 2512sub reload() {
2360 # can/must only be called in main 2513 # can/must only be called in main
2361 if ($Coro::current != $Coro::main) { 2514 if ($Coro::current != $Coro::main) {
2363 return; 2516 return;
2364 } 2517 }
2365 2518
2366 warn "reloading..."; 2519 warn "reloading...";
2367 2520
2368 warn "cancelling server ticker"; 2521 warn "entering sync_job";
2369 $TICK_WATCHER->cancel;
2370 2522
2523 cf::sync_job {
2524 cf::write_runtime; # external watchdog should not bark
2371 cf::emergency_save; 2525 cf::emergency_save;
2526 cf::write_runtime; # external watchdog should not bark
2372 2527
2373 eval { 2528 warn "syncing database to disk";
2529 BDB::db_env_txn_checkpoint $DB_ENV;
2530
2374 # if anything goes wrong in here, we should simply crash as we already saved 2531 # if anything goes wrong in here, we should simply crash as we already saved
2375
2376 warn "syncing database to disk";
2377 cf::db_sync;
2378 2532
2379 warn "cancelling all WF_AUTOCANCEL watchers"; 2533 warn "cancelling all WF_AUTOCANCEL watchers";
2380 for (Event::all_watchers) { 2534 for (Event::all_watchers) {
2381 $_->cancel if $_->data & WF_AUTOCANCEL; 2535 $_->cancel if $_->data & WF_AUTOCANCEL;
2382 } 2536 }
2383 2537
2384 warn "flushing outstanding aio requests"; 2538 warn "flushing outstanding aio requests";
2385 for (;;) { 2539 for (;;) {
2540 BDB::flush;
2386 IO::AIO::flush; 2541 IO::AIO::flush;
2387 Coro::cede; 2542 Coro::cede;
2388 last unless IO::AIO::nreqs; 2543 last unless IO::AIO::nreqs || BDB::nreqs;
2389 warn "iterate..."; 2544 warn "iterate...";
2390 } 2545 }
2546
2547 ++$RELOAD;
2391 2548
2392 warn "cancelling all extension coros"; 2549 warn "cancelling all extension coros";
2393 $_->cancel for values %EXT_CORO; 2550 $_->cancel for values %EXT_CORO;
2394 %EXT_CORO = (); 2551 %EXT_CORO = ();
2395 2552
2448 require cf; 2605 require cf;
2449 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2606 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450 2607
2451 warn "loading config and database again"; 2608 warn "loading config and database again";
2452 cf::cfg_load; 2609 cf::cfg_load;
2453 cf::db_load;
2454 2610
2455 warn "loading extensions"; 2611 warn "loading extensions";
2456 cf::load_extensions; 2612 cf::load_extensions;
2457 2613
2458 warn "reattaching attachments to objects/players"; 2614 warn "reattaching attachments to objects/players";
2459 _global_reattach; 2615 _global_reattach; # objects, sockets
2460 warn "reattaching attachments to maps"; 2616 warn "reattaching attachments to maps";
2461 reattach $_ for values %MAP; 2617 reattach $_ for values %MAP;
2618 warn "reattaching attachments to players";
2619 reattach $_ for values %PLAYER;
2462 2620
2463 warn "restarting server ticker"; 2621 warn "loading reloadable resources";
2622 reload_resources;
2464 2623
2465 $TICK_WATCHER->start; 2624 warn "leaving sync_job";
2466 };
2467 2625
2468 if ($@) { 2626 1
2627 } or do {
2469 warn $@; 2628 warn $@;
2470 warn "error while reloading, exiting."; 2629 warn "error while reloading, exiting.";
2471 exit 1; 2630 exit 1;
2472 } 2631 };
2473 2632
2474 warn "reloaded"; 2633 warn "reloaded";
2475}; 2634};
2476 2635
2477our $RELOAD_WATCHER; # used only during reload 2636our $RELOAD_WATCHER; # used only during reload
2498}; 2657};
2499 2658
2500unshift @INC, $LIBDIR; 2659unshift @INC, $LIBDIR;
2501 2660
2502my $bug_warning = 0; 2661my $bug_warning = 0;
2662
2663our @WAIT_FOR_TICK;
2664our @WAIT_FOR_TICK_BEGIN;
2665
2666sub wait_for_tick {
2667 return unless $TICK_WATCHER->is_active;
2668 return if $Coro::current == $Coro::main;
2669
2670 my $signal = new Coro::Signal;
2671 push @WAIT_FOR_TICK, $signal;
2672 $signal->wait;
2673}
2674
2675sub wait_for_tick_begin {
2676 return unless $TICK_WATCHER->is_active;
2677 return if $Coro::current == $Coro::main;
2678
2679 my $signal = new Coro::Signal;
2680 push @WAIT_FOR_TICK_BEGIN, $signal;
2681 $signal->wait;
2682}
2503 2683
2504$TICK_WATCHER = Event->timer ( 2684$TICK_WATCHER = Event->timer (
2505 reentrant => 0, 2685 reentrant => 0,
2506 parked => 1, 2686 parked => 1,
2507 prio => 0, 2687 prio => 0,
2518 2698
2519 cf::server_tick; # one server iteration 2699 cf::server_tick; # one server iteration
2520 $RUNTIME += $TICK; 2700 $RUNTIME += $TICK;
2521 $NEXT_TICK += $TICK; 2701 $NEXT_TICK += $TICK;
2522 2702
2523 $WAIT_FOR_TICK->broadcast; 2703 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2704 $NEXT_RUNTIME_WRITE = $NOW + 10;
2525 2705 Coro::async_pool {
2526 Event::sweep; 2706 write_runtime
2527 Coro::cede_notself; 2707 or warn "ERROR: unable to write runtime file: $!";
2708 };
2528 2709 }
2710
2711 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2712 $sig->send;
2713 }
2714 while (my $sig = shift @WAIT_FOR_TICK) {
2715 $sig->send;
2716 }
2717
2529# my $AFTER = Event::time; 2718# my $AFTER = Event::time;
2530# warn $AFTER - $NOW;#d# 2719# warn $AFTER - $NOW;#d#
2531 2720
2532 # if we are delayed by four ticks or more, skip them all 2721 # if we are delayed by four ticks or more, skip them all
2533 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2722 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2535 $TICK_WATCHER->at ($NEXT_TICK); 2724 $TICK_WATCHER->at ($NEXT_TICK);
2536 $TICK_WATCHER->start; 2725 $TICK_WATCHER->start;
2537 }, 2726 },
2538); 2727);
2539 2728
2729{
2730 BDB::max_poll_time $TICK * 0.1;
2731 $BDB_POLL_WATCHER = Event->io (
2732 reentrant => 0,
2733 fd => BDB::poll_fileno,
2734 poll => 'r',
2735 prio => 0,
2736 data => WF_AUTOCANCEL,
2737 cb => \&BDB::poll_cb,
2738 );
2739 BDB::min_parallel 8;
2740
2741 BDB::set_sync_prepare {
2742 my $status;
2743 my $current = $Coro::current;
2744 (
2745 sub {
2746 $status = $!;
2747 $current->ready; undef $current;
2748 },
2749 sub {
2750 Coro::schedule while defined $current;
2751 $! = $status;
2752 },
2753 )
2754 };
2755
2756 unless ($DB_ENV) {
2757 $DB_ENV = BDB::db_env_create;
2758
2759 cf::sync_job {
2760 eval {
2761 BDB::db_env_open
2762 $DB_ENV,
2763 $BDB_ENV_DIR,
2764 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2765 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2766 0666;
2767
2768 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2769
2770 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2771 $DB_ENV->set_lk_detect;
2772 };
2773
2774 cf::cleanup "db_env_open(db): $@" if $@;
2775 };
2776 }
2777}
2778
2779{
2780 IO::AIO::min_parallel 8;
2781
2782 undef $Coro::AIO::WATCHER;
2540IO::AIO::max_poll_time $TICK * 0.1; 2783 IO::AIO::max_poll_time $TICK * 0.1;
2541
2542undef $Coro::AIO::WATCHER;
2543$AIO_POLL_WATCHER = Event->io ( 2784 $AIO_POLL_WATCHER = Event->io (
2544 reentrant => 0, 2785 reentrant => 0,
2786 data => WF_AUTOCANCEL,
2545 fd => IO::AIO::poll_fileno, 2787 fd => IO::AIO::poll_fileno,
2546 poll => 'r', 2788 poll => 'r',
2547 prio => 6, 2789 prio => 6,
2548 data => WF_AUTOCANCEL,
2549 cb => \&IO::AIO::poll_cb, 2790 cb => \&IO::AIO::poll_cb,
2550); 2791 );
2551 2792}
2552$WRITE_RUNTIME_WATCHER = Event->timer (
2553 reentrant => 0,
2554 data => WF_AUTOCANCEL,
2555 after => 1,
2556 interval => 10,
2557 prio => 6, # keep it lowest so it acts like a watchdog
2558 cb => Coro::unblock_sub {
2559 write_runtime
2560 or warn "ERROR: unable to write runtime file: $!";
2561 },
2562);
2563 2793
2564END { cf::emergency_save } 2794END { cf::emergency_save }
2565 2795
25661 27961
2567 2797

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