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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.246 by root, Tue Apr 17 10:38:28 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 3.61 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
21use Coro::Storable;
19 22
20use BDB (); 23use BDB ();
21use Data::Dumper; 24use Data::Dumper;
22use Digest::MD5; 25use Digest::MD5;
23use Fcntl; 26use Fcntl;
27use YAML::Syck ();
24use IO::AIO 2.32 (); 28use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 29use Time::HiRes;
30use Compress::LZF;
27 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
28use 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
29
30sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31 39
32# 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?
33$YAML::Syck::ImplicitUnicode = 1; 41$YAML::Syck::ImplicitUnicode = 1;
34 42
35$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 43$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
36 46
37our %COMMAND = (); 47our %COMMAND = ();
38our %COMMAND_TIME = (); 48our %COMMAND_TIME = ();
39 49
40our @EXTS = (); # list of extension package names 50our @EXTS = (); # list of extension package names
41our %EXTCMD = (); 51our %EXTCMD = ();
42our %EXT_CORO = (); # coroutines bound to extensions 52our %EXT_CORO = (); # coroutines bound to extensions
43our %EXT_MAP = (); # pluggable maps 53our %EXT_MAP = (); # pluggable maps
44 54
55our $RELOAD; # number of reloads so far
45our @EVENT; 56our @EVENT;
46our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
47 58
48our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49our $TICK_WATCHER; 60our $TICK_WATCHER;
50our $AIO_POLL_WATCHER; 61our $AIO_POLL_WATCHER;
51our $WRITE_RUNTIME_WATCHER; 62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52our $NEXT_TICK; 63our $NEXT_TICK;
53our $NOW; 64our $NOW;
54our $USE_FSYNC = 1; # use fsync to write maps - default off 65our $USE_FSYNC = 1; # use fsync to write maps - default off
55 66
56our $BDB_POLL_WATCHER; 67our $BDB_POLL_WATCHER;
… …
64our %PLAYER; # all users 75our %PLAYER; # all users
65our %MAP; # all maps 76our %MAP; # all maps
66our $LINK_MAP; # the special {link} map, which is always available 77our $LINK_MAP; # the special {link} map, which is always available
67our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
68our $BDB_ENV_DIR = cf::localdir . "/db"; 79our $BDB_ENV_DIR = cf::localdir . "/db";
69
70our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72 80
73# 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 ∕
74our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75 83
76binmode STDOUT; 84binmode STDOUT;
… …
125=item %cf::CFG 133=item %cf::CFG
126 134
127Configuration for the server, loaded from C</etc/crossfire/config>, or 135Configuration for the server, loaded from C</etc/crossfire/config>, or
128from wherever your confdir points to. 136from wherever your confdir points to.
129 137
130=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 138=item cf::wait_for_tick, cf::wait_for_tick_begin
131 139
132These 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
133or 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
134processing 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.
135window of cpu time available, or simply to synchronise to the server tick.
136 143
137=back 144=back
138 145
139=cut 146=cut
140 147
… …
199 $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;
200 $d 207 $d
201 } || "[unable to dump $_[0]: '$@']"; 208 } || "[unable to dump $_[0]: '$@']";
202} 209}
203 210
204use JSON::Syck (); # TODO# replace by JSON::PC once working 211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
205 212
206=item $ref = cf::from_json $json 213=item $ref = cf::from_json $json
207 214
208Converts a JSON string into the corresponding perl data structure. 215Converts a JSON string into the corresponding perl data structure.
209 216
210=cut
211
212sub from_json($) {
213 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214 JSON::Syck::Load $_[0]
215}
216
217=item $json = cf::to_json $ref 217=item $json = cf::to_json $ref
218 218
219Converts a perl data structure into its JSON representation. 219Converts a perl data structure into its JSON representation.
220
221=cut
222
223sub to_json($) {
224 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
225 JSON::Syck::Dump $_[0]
226}
227 220
228=item cf::lock_wait $string 221=item cf::lock_wait $string
229 222
230Wait until the given lock is available. See cf::lock_acquire. 223Wait until the given lock is available. See cf::lock_acquire.
231 224
… …
270sub freeze_mainloop { 263sub freeze_mainloop {
271 return unless $TICK_WATCHER->is_active; 264 return unless $TICK_WATCHER->is_active;
272 265
273 my $guard = Coro::guard { 266 my $guard = Coro::guard {
274 $TICK_WATCHER->start; 267 $TICK_WATCHER->start;
275 $WRITE_RUNTIME_WATCHER->start;
276 }; 268 };
277 $WRITE_RUNTIME_WATCHER->stop;
278 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
279 $guard 270 $guard
280} 271}
281 272
282=item cf::async { BLOCK } 273=item cf::async { BLOCK }
… …
353 344
354 $coro 345 $coro
355} 346}
356 347
357sub write_runtime { 348sub write_runtime {
349 my $guard = cf::lock_acquire "write_runtime";
350
358 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
359 352
360 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
361 or return; 354 or return;
362 355
… …
376 369
377 aio_rename "$runtime~", $runtime 370 aio_rename "$runtime~", $runtime
378 and return; 371 and return;
379 372
380 1 373 1
374}
375
376=item cf::datalog type => key => value, ...
377
378Log a datalog packet of the given type with the given key-value pairs.
379
380=cut
381
382sub datalog($@) {
383 my ($type, %kv) = @_;
384 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381} 385}
382 386
383=back 387=back
384 388
385=cut 389=cut
… …
784 } 788 }
785 } else { 789 } else {
786 aio_unlink $filename; 790 aio_unlink $filename;
787 aio_unlink "$filename.pst"; 791 aio_unlink "$filename.pst";
788 } 792 }
789
790 #d##TODO# nuke non .map-files if exist
791 if ($filename =~ s/\.map$//) {
792 aio_unlink $filename;
793 aio_unlink "$filename.pst";
794 }
795 } 793 }
796} 794}
797 795
798sub object_freezer_as_string { 796sub object_freezer_as_string {
799 my ($rdata, $objs) = @_; 797 my ($rdata, $objs) = @_;
… …
805 803
806sub object_thawer_load { 804sub object_thawer_load {
807 my ($filename) = @_; 805 my ($filename) = @_;
808 806
809 my ($data, $av); 807 my ($data, $av);
810
811 #d#TODO remove .map if file does not exist
812 aio_stat $filename and $filename =~ s/\.map$//;
813 808
814 (aio_load $filename, $data) >= 0 809 (aio_load $filename, $data) >= 0
815 or return; 810 or return;
816 811
817 unless (aio_stat "$filename.pst") { 812 unless (aio_stat "$filename.pst") {
… …
966} 961}
967 962
968sub path($) { 963sub path($) {
969 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970 965
971 (playerdir $login) . "/$login.pl" 966 (playerdir $login) . "/playerdata"
972} 967}
973 968
974sub find_active($) { 969sub find_active($) {
975 $cf::PLAYER{$_[0]} 970 $cf::PLAYER{$_[0]}
976 and $cf::PLAYER{$_[0]}->active 971 and $cf::PLAYER{$_[0]}->active
… …
989 my $login = $_[0]; 984 my $login = $_[0];
990 985
991 my $guard = cf::lock_acquire "user_find:$login"; 986 my $guard = cf::lock_acquire "user_find:$login";
992 987
993 $cf::PLAYER{$_[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
994 my $pl = load_pl path $login 996 my $pl = load_pl path $login
995 or return; 997 or return;
996 $cf::PLAYER{$login} = $pl 998 $cf::PLAYER{$login} = $pl
997 } 999 }
998 } 1000 }
… …
1035 1037
1036=cut 1038=cut
1037 1039
1038sub quit_character { 1040sub quit_character {
1039 my ($pl) = @_; 1041 my ($pl) = @_;
1042
1043 my $name = $pl->ob->name;
1040 1044
1041 $pl->{deny_save} = 1; 1045 $pl->{deny_save} = 1;
1042 $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
1043 1047
1044 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1049 my $path = playerdir $pl; 1053 my $path = playerdir $pl;
1050 my $temp = "$path~$cf::RUNTIME~deleting~"; 1054 my $temp = "$path~$cf::RUNTIME~deleting~";
1051 aio_rename $path, $temp; 1055 aio_rename $path, $temp;
1052 delete $cf::PLAYER{$pl->ob->name}; 1056 delete $cf::PLAYER{$pl->ob->name};
1053 $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
1054 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;
1055} 1079}
1056 1080
1057=item cf::player::list_logins 1081=item cf::player::list_logins
1058 1082
1059Returns 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
… …
1105 } 1129 }
1106 1130
1107 \@paths 1131 \@paths
1108} 1132}
1109 1133
1110=item $player->ext_reply ($msgid, $msgtype, %msg) 1134=item $player->ext_reply ($msgid, %msg)
1111 1135
1112Sends an ext reply to the player. 1136Sends an ext reply to the player.
1113 1137
1114=cut 1138=cut
1115 1139
1116sub ext_reply($$$%) { 1140sub ext_reply($$%) {
1117 my ($self, $id, %msg) = @_; 1141 my ($self, $id, %msg) = @_;
1118 1142
1119 $msg{msgid} = $id; 1143 $msg{msgid} = $id;
1120 1144
1121 $self->send ("ext " . cf::to_json \%msg); 1145 $self->send ("ext " . cf::to_json \%msg);
1122} 1146}
1123 1147
1124package 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}
1125 1188
1126=back 1189=back
1127
1128 1190
1129=head3 cf::map 1191=head3 cf::map
1130 1192
1131=over 4 1193=over 4
1132 1194
… …
1304 my ($self) = @_; 1366 my ($self) = @_;
1305 1367
1306 utf8::encode (my $save = $self->save_path); 1368 utf8::encode (my $save = $self->save_path);
1307 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1370 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310 #d#TODO remove .map and also nuke
1311 $save =~ s/\.map// or return;#d#
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314} 1371}
1315 1372
1316sub load_header_from($) { 1373sub load_header_from($) {
1317 my ($self, $path) = @_; 1374 my ($self, $path) = @_;
1318 1375
… …
1368 $self->load_header_orig 1425 $self->load_header_orig
1369 or return; 1426 or return;
1370 $self->prepare_orig; 1427 $self->prepare_orig;
1371 } 1428 }
1372 1429
1430 $self->default_region (cf::region::find_by_path $self->{path})
1431 unless $self->default_region;
1432
1373 1 1433 1
1374} 1434}
1375 1435
1376sub find; 1436sub find;
1377sub find { 1437sub find {
… …
1419 $self->in_memory (cf::MAP_LOADING); 1479 $self->in_memory (cf::MAP_LOADING);
1420 1480
1421 $self->alloc; 1481 $self->alloc;
1422 1482
1423 $self->pre_load; 1483 $self->pre_load;
1484 Coro::cede;
1424 1485
1425 $self->_load_objects ($self->{load_path}, 1) 1486 $self->_load_objects ($self->{load_path}, 1)
1426 or return; 1487 or return;
1427 1488
1428 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
… …
1435 $self->_load_objects ($uniq, 0); 1496 $self->_load_objects ($uniq, 0);
1436 } 1497 }
1437 } 1498 }
1438 1499
1439 Coro::cede; 1500 Coro::cede;
1440
1441 # now do the right thing for maps 1501 # now do the right thing for maps
1442 $self->link_multipart_objects; 1502 $self->link_multipart_objects;
1503 Coro::cede;
1443 1504
1444 unless ($self->{deny_activate}) { 1505 unless ($self->{deny_activate}) {
1445 $self->decay_objects; 1506 $self->decay_objects;
1446 $self->fix_auto_apply; 1507 $self->fix_auto_apply;
1447 $self->update_buttons; 1508 $self->update_buttons;
… …
1449 $self->set_darkness_map; 1510 $self->set_darkness_map;
1450 $self->difficulty ($self->estimate_difficulty) 1511 $self->difficulty ($self->estimate_difficulty)
1451 unless $self->difficulty; 1512 unless $self->difficulty;
1452 Coro::cede; 1513 Coro::cede;
1453 $self->activate; 1514 $self->activate;
1515 Coro::cede;
1454 } 1516 }
1455 1517
1456 $self->post_load; 1518 $self->post_load;
1519 Coro::cede;
1457 1520
1458 $self->in_memory (cf::MAP_IN_MEMORY); 1521 $self->in_memory (cf::MAP_IN_MEMORY);
1459} 1522}
1460 1523
1461sub customise_for { 1524sub customise_for {
… …
1606 return if $self->players; 1669 return if $self->players;
1607 return if $self->isa ("ext::map_per_player");#d# 1670 return if $self->isa ("ext::map_per_player");#d#
1608 1671
1609 warn "resetting map ", $self->path;#d# 1672 warn "resetting map ", $self->path;#d#
1610 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
1611 delete $cf::MAP{$self->path}; 1684 delete $cf::MAP{$self->path};
1612 1685
1613 $self->in_memory (cf::MAP_SWAPPED);
1614 $self->clear; 1686 $self->clear;
1615 1687
1616 $_->clear_links_to ($self) for values %cf::MAP; 1688 $_->clear_links_to ($self) for values %cf::MAP;
1617 1689
1618 $self->unlink_save; 1690 $self->unlink_save;
… …
1808 $map->load; 1880 $map->load;
1809 $map->load_diag; 1881 $map->load_diag;
1810 1882
1811 return unless $self->contr->active; 1883 return unless $self->contr->active;
1812 $self->activate_recursive; 1884 $self->activate_recursive;
1885
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813 $self->enter_map ($map, $x, $y); 1887 $self->enter_map ($map, $x, $y);
1814} 1888}
1815 1889
1816cf::player->attach ( 1890cf::player->attach (
1817 on_logout => sub { 1891 on_logout => sub {
… …
1830 # try to abort aborted map switching on player login :) 1904 # try to abort aborted map switching on player login :)
1831 # should happen only on crashes 1905 # should happen only on crashes
1832 if ($pl->ob->{_link_pos}) { 1906 if ($pl->ob->{_link_pos}) {
1833 $pl->ob->enter_link; 1907 $pl->ob->enter_link;
1834 (async { 1908 (async {
1835 # we need this sleep as the login has a concurrent enter_exit running
1836 # and this sleep increases chances of the player not ending up in scorn
1837 $pl->ob->reply (undef, 1909 $pl->ob->reply (undef,
1838 "There was an internal problem at your last logout, " 1910 "There was an internal problem at your last logout, "
1839 . "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.",
1840 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
1841 Coro::Timer::sleep 1; 1915 Coro::Timer::sleep 1;
1842 $pl->ob->leave_link; 1916 $pl->ob->leave_link;
1843 })->prio (2); 1917 })->prio (2);
1844 } 1918 }
1845 }, 1919 },
… …
1928 2002
1929 return unless $self->type == cf::PLAYER; 2003 return unless $self->type == cf::PLAYER;
1930 2004
1931 if ($exit->slaying eq "/!") { 2005 if ($exit->slaying eq "/!") {
1932 #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
1933 cf::sync_job { prepare_random_map $exit }; 2009 cf::sync_job { prepare_random_map $exit };
1934 } 2010 }
1935 2011
1936 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;
1937 my $hp = $exit->stats->hp; 2013 my $hp = $exit->stats->hp;
… …
1945 $self->goto ($slaying, $hp, $sp); 2021 $self->goto ($slaying, $hp, $sp);
1946 2022
1947 1; 2023 1;
1948 }) { 2024 }) {
1949 $self->message ("Something went wrong deep within the crossfire server. " 2025 $self->message ("Something went wrong deep within the crossfire server. "
1950 . "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. "
1951 . "Please report this to the dungeon master!", 2027 . "Please report this to the dungeon master!",
1952 cf::NDI_UNIQUE | cf::NDI_RED); 2028 cf::NDI_UNIQUE | cf::NDI_RED);
1953 2029
1954 warn "ERROR in enter_exit: $@"; 2030 warn "ERROR in enter_exit: $@";
1955 $self->leave_link; 2031 $self->leave_link;
1956 } 2032 }
1957 })->prio (1); 2033 })->prio (1);
… …
1970 2046
1971sub cf::client::send_drawinfo { 2047sub cf::client::send_drawinfo {
1972 my ($self, $text, $flags) = @_; 2048 my ($self, $text, $flags) = @_;
1973 2049
1974 utf8::encode $text; 2050 utf8::encode $text;
1975 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976} 2052}
1977 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}
1978 2066
1979=item $success = $client->query ($flags, "text", \&cb) 2067=item $success = $client->query ($flags, "text", \&cb)
1980 2068
1981Queues a query to the client, calling the given callback with 2069Queues a query to the client, calling the given callback with
1982the 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>,
… …
2079 2167
2080# here we export the classes and methods available to script code 2168# here we export the classes and methods available to script code
2081 2169
2082=pod 2170=pod
2083 2171
2084The following fucntions and emthods are available within a safe environment: 2172The following functions and methods are available within a safe environment:
2085 2173
2086 cf::object contr pay_amount pay_player map 2174 cf::object contr pay_amount pay_player map
2087 cf::object::player player 2175 cf::object::player player
2088 cf::player peaceful 2176 cf::player peaceful
2089 cf::map trigger 2177 cf::map trigger
… …
2182The 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
2183using it, it should be unique. 2271using it, it should be unique.
2184 2272
2185=over 4 2273=over 4
2186 2274
2187=item $hashref = cf::db_get $family
2188
2189Return a hashref for use by the extension C<$family>, which can be
2190modified. After modifications, you have to call C<cf::db_dirty> or
2191C<cf::db_sync>.
2192
2193=item $value = cf::db_get $family => $key 2275=item $value = cf::db_get $family => $key
2194 2276
2195Returns a single value from the database 2277Returns a single value from the database.
2196
2197=item cf::db_put $family => $hashref
2198
2199Stores the given family hashref into the database. Updates are delayed, if
2200you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201 2278
2202=item cf::db_put $family => $key => $value 2279=item cf::db_put $family => $key => $value
2203 2280
2204Stores the given C<$value> in the family hash. Updates are delayed, if you 2281Stores the given C<$value> in the family.
2205want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207=item cf::db_dirty
2208
2209Marks the database as dirty, to be updated at a later time.
2210
2211=item cf::db_sync
2212
2213Immediately write the database to disk I<if it is dirty>.
2214 2282
2215=cut 2283=cut
2216 2284
2217our $DB; 2285our $DB;
2218 2286
2219{ 2287sub db_init {
2288 unless ($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
2220 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;
2221 2306
2222 sub db_load() { 2307 cf::db_put (board => data => $pst->{board});
2223 $DB = stat $path ? Storable::retrieve $path : { }; 2308 cf::db_put (guildrules => data => $pst->{guildrules});
2224 } 2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
2225 2311
2226 my $pid; 2312 unlink $path;
2227
2228 sub db_save() {
2229 waitpid $pid, 0 if $pid;
2230 if (0 == ($pid = fork)) {
2231 $DB->{_meta}{version} = 1;
2232 Storable::nstore $DB, "$path~";
2233 rename "$path~", $path;
2234 cf::_exit 0 if defined $pid;
2235 } 2313 };
2236 }
2237
2238 my $dirty;
2239
2240 sub db_sync() {
2241 db_save if $dirty;
2242 undef $dirty;
2243 }
2244
2245 my $idle = Event->idle (
2246 reentrant => 0,
2247 min => 10,
2248 max => 20,
2249 repeat => 0,
2250 data => WF_AUTOCANCEL,
2251 cb => \&db_sync,
2252 );
2253
2254 sub db_dirty() {
2255 $dirty = 1;
2256 $idle->start;
2257 }
2258
2259 sub db_get($;$) {
2260 @_ >= 2
2261 ? $DB->{$_[0]}{$_[1]}
2262 : ($DB->{$_[0]} ||= { })
2263 }
2264
2265 sub db_put($$;$) {
2266 if (@_ >= 3) {
2267 $DB->{$_[0]}{$_[1]} = $_[2];
2268 } else {
2269 $DB->{$_[0]} = $_[1];
2270 }
2271 db_dirty;
2272 }
2273
2274 cf::global->attach (
2275 prio => 10000,
2276 on_cleanup => sub {
2277 db_sync;
2278 }, 2314 }
2279 ); 2315 }
2316}
2317
2318sub db_get($$) {
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 $_[2], 0, sub { };
2280} 2332}
2281 2333
2282############################################################################# 2334#############################################################################
2283# the server's init and main functions 2335# the server's init and main functions
2284 2336
2285sub load_resources { 2337sub load_facedata($) {
2338 my ($path) = @_;
2339
2340 warn "loading facedata from $path\n";
2341
2342 my $facedata;
2343 0 < aio_load $path, $facedata
2344 or die "$path: $!";
2345
2346 $facedata = Coro::Storable::thaw $facedata;
2347
2348 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350
2351 {
2352 my $faces = $facedata->{faceinfo};
2353
2354 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2359 Coro::cede;
2360 }
2361
2362 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth};
2364 my $idx = cf::face::find $face
2365 or next;
2366 if (my $smooth = cf::face::find $info->{smooth}) {
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2368 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 }
2371 Coro::cede;
2372 }
2373 }
2374
2375 {
2376 my $anims = $facedata->{animinfo};
2377
2378 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede;
2381 }
2382
2383 cf::anim::invalidate_all; # d'oh
2384 }
2385
2386 1
2387}
2388
2389sub reload_facedata {
2390 load_facedata sprintf "%s/facedata", cf::datadir
2391 or die "unable to load facedata\n";
2392}
2393
2394sub reload_regions {
2286 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2395 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2287 or die "unable to load regions file\n";#d# 2396 or die "unable to load regions file\n";
2397}
2398
2399sub reload_archetypes {
2400 load_archetype_file sprintf "%s/archetypes", cf::datadir
2401 or die "unable to load archetypes\n";
2402}
2403
2404sub reload_treasures {
2405 load_treasure_file sprintf "%s/treasures", cf::datadir
2406 or die "unable to load treasurelists\n";
2407}
2408
2409sub reload_resources {
2410 warn "reloading resource files...\n";
2411
2412 reload_regions;
2413 reload_facedata;
2414 reload_archetypes;
2415 reload_treasures;
2416
2417 warn "finished reloading resource files\n";
2418}
2419
2420sub init {
2421 reload_resources;
2288} 2422}
2289 2423
2290sub cfg_load { 2424sub cfg_load {
2291 open my $fh, "<:utf8", cf::confdir . "/config" 2425 open my $fh, "<:utf8", cf::confdir . "/config"
2292 or return; 2426 or return;
… …
2304 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2438 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305 and die "WARNING: m(un)lockall failed: $!\n"; 2439 and die "WARNING: m(un)lockall failed: $!\n";
2306 }; 2440 };
2307 warn $@ if $@; 2441 warn $@ if $@;
2308 } 2442 }
2309}
2310
2311sub init {
2312 load_resources;
2313} 2443}
2314 2444
2315sub main { 2445sub main {
2316 # we must not ever block the main coroutine 2446 # we must not ever block the main coroutine
2317 local $Coro::idle = sub { 2447 local $Coro::idle = sub {
… …
2320 Event::one_event; 2450 Event::one_event;
2321 })->prio (Coro::PRIO_MAX); 2451 })->prio (Coro::PRIO_MAX);
2322 }; 2452 };
2323 2453
2324 cfg_load; 2454 cfg_load;
2325 db_load; 2455 db_init;
2326 load_extensions; 2456 load_extensions;
2327 2457
2328 $TICK_WATCHER->start; 2458 $TICK_WATCHER->start;
2329 Event::loop; 2459 Event::loop;
2330} 2460}
… …
2369 my $map = $cf::MAP{$path} or next; 2499 my $map = $cf::MAP{$path} or next;
2370 $map->valid or next; 2500 $map->valid or next;
2371 $map->save; 2501 $map->save;
2372 } 2502 }
2373 warn "end emergency map save\n"; 2503 warn "end emergency map save\n";
2504
2505 warn "begin emergency database checkpoint\n";
2506 BDB::db_env_txn_checkpoint $DB_ENV;
2507 warn "end emergency database checkpoint\n";
2374 }; 2508 };
2375 2509
2376 warn "leave emergency perl save\n"; 2510 warn "leave emergency perl save\n";
2377} 2511}
2378 2512
2513sub post_cleanup {
2514 my ($make_core) = @_;
2515
2516 warn Carp::longmess "post_cleanup backtrace"
2517 if $make_core;
2518}
2519
2379sub reload() { 2520sub do_reload_perl() {
2380 # can/must only be called in main 2521 # can/must only be called in main
2381 if ($Coro::current != $Coro::main) { 2522 if ($Coro::current != $Coro::main) {
2382 warn "can only reload from main coroutine"; 2523 warn "can only reload from main coroutine";
2383 return; 2524 return;
2384 } 2525 }
2385 2526
2386 warn "reloading..."; 2527 warn "reloading...";
2387 2528
2388 warn "cancelling server ticker"; 2529 warn "entering sync_job";
2389 $TICK_WATCHER->cancel;
2390 2530
2531 cf::sync_job {
2532 cf::write_runtime; # external watchdog should not bark
2391 cf::emergency_save; 2533 cf::emergency_save;
2534 cf::write_runtime; # external watchdog should not bark
2392 2535
2393 eval { 2536 warn "syncing database to disk";
2537 BDB::db_env_txn_checkpoint $DB_ENV;
2538
2394 # if anything goes wrong in here, we should simply crash as we already saved 2539 # if anything goes wrong in here, we should simply crash as we already saved
2395
2396 warn "syncing database to disk";
2397 cf::db_sync;
2398 2540
2399 warn "cancelling all WF_AUTOCANCEL watchers"; 2541 warn "cancelling all WF_AUTOCANCEL watchers";
2400 for (Event::all_watchers) { 2542 for (Event::all_watchers) {
2401 $_->cancel if $_->data & WF_AUTOCANCEL; 2543 $_->cancel if $_->data & WF_AUTOCANCEL;
2402 } 2544 }
2403 2545
2404 warn "flushing outstanding aio requests"; 2546 warn "flushing outstanding aio requests";
2405 for (;;) { 2547 for (;;) {
2548 BDB::flush;
2406 IO::AIO::flush; 2549 IO::AIO::flush;
2407 Coro::cede; 2550 Coro::cede;
2408 last unless IO::AIO::nreqs; 2551 last unless IO::AIO::nreqs || BDB::nreqs;
2409 warn "iterate..."; 2552 warn "iterate...";
2410 } 2553 }
2554
2555 ++$RELOAD;
2411 2556
2412 warn "cancelling all extension coros"; 2557 warn "cancelling all extension coros";
2413 $_->cancel for values %EXT_CORO; 2558 $_->cancel for values %EXT_CORO;
2414 %EXT_CORO = (); 2559 %EXT_CORO = ();
2415 2560
… …
2468 require cf; 2613 require cf;
2469 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2614 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470 2615
2471 warn "loading config and database again"; 2616 warn "loading config and database again";
2472 cf::cfg_load; 2617 cf::cfg_load;
2473 cf::db_load;
2474 2618
2475 warn "loading extensions"; 2619 warn "loading extensions";
2476 cf::load_extensions; 2620 cf::load_extensions;
2477 2621
2478 warn "reattaching attachments to objects/players"; 2622 warn "reattaching attachments to objects/players";
2479 _global_reattach; 2623 _global_reattach; # objects, sockets
2480 warn "reattaching attachments to maps"; 2624 warn "reattaching attachments to maps";
2481 reattach $_ for values %MAP; 2625 reattach $_ for values %MAP;
2626 warn "reattaching attachments to players";
2627 reattach $_ for values %PLAYER;
2482 2628
2483 warn "loading reloadable resources"; 2629 warn "leaving sync_job";
2484 load_resources;
2485 2630
2486 warn "restarting server ticker"; 2631 1
2487 2632 } or do {
2488 $TICK_WATCHER->start;
2489 };
2490
2491 if ($@) {
2492 warn $@; 2633 warn $@;
2493 warn "error while reloading, exiting."; 2634 warn "error while reloading, exiting.";
2494 exit 1; 2635 exit 1;
2495 } 2636 };
2496 2637
2497 warn "reloaded"; 2638 warn "reloaded";
2498}; 2639};
2499 2640
2500our $RELOAD_WATCHER; # used only during reload 2641our $RELOAD_WATCHER; # used only during reload
2501 2642
2643sub reload_perl() {
2644 # doing reload synchronously and two reloads happen back-to-back,
2645 # coro crashes during coro_state_free->destroy here.
2646
2647 $RELOAD_WATCHER ||= Event->timer (
2648 reentrant => 0,
2649 after => 0,
2650 data => WF_AUTOCANCEL,
2651 cb => sub {
2652 do_reload_perl;
2653 undef $RELOAD_WATCHER;
2654 },
2655 );
2656}
2657
2502register_command "reload" => sub { 2658register_command "reload" => sub {
2503 my ($who, $arg) = @_; 2659 my ($who, $arg) = @_;
2504 2660
2505 if ($who->flag (FLAG_WIZ)) { 2661 if ($who->flag (FLAG_WIZ)) {
2506 $who->message ("reloading server."); 2662 $who->message ("reloading server.");
2507 2663 async { reload_perl };
2508 # doing reload synchronously and two reloads happen back-to-back,
2509 # coro crashes during coro_state_free->destroy here.
2510
2511 $RELOAD_WATCHER ||= Event->timer (
2512 reentrant => 0,
2513 after => 0,
2514 data => WF_AUTOCANCEL,
2515 cb => sub {
2516 reload;
2517 undef $RELOAD_WATCHER;
2518 },
2519 );
2520 } 2664 }
2521}; 2665};
2522 2666
2523unshift @INC, $LIBDIR; 2667unshift @INC, $LIBDIR;
2524 2668
2525my $bug_warning = 0; 2669my $bug_warning = 0;
2670
2671our @WAIT_FOR_TICK;
2672our @WAIT_FOR_TICK_BEGIN;
2673
2674sub wait_for_tick {
2675 return unless $TICK_WATCHER->is_active;
2676 return if $Coro::current == $Coro::main;
2677
2678 my $signal = new Coro::Signal;
2679 push @WAIT_FOR_TICK, $signal;
2680 $signal->wait;
2681}
2682
2683sub wait_for_tick_begin {
2684 return unless $TICK_WATCHER->is_active;
2685 return if $Coro::current == $Coro::main;
2686
2687 my $signal = new Coro::Signal;
2688 push @WAIT_FOR_TICK_BEGIN, $signal;
2689 $signal->wait;
2690}
2526 2691
2527$TICK_WATCHER = Event->timer ( 2692$TICK_WATCHER = Event->timer (
2528 reentrant => 0, 2693 reentrant => 0,
2529 parked => 1, 2694 parked => 1,
2530 prio => 0, 2695 prio => 0,
… …
2538 } 2703 }
2539 2704
2540 $NOW = Event::time; 2705 $NOW = Event::time;
2541 2706
2542 cf::server_tick; # one server iteration 2707 cf::server_tick; # one server iteration
2708
2543 $RUNTIME += $TICK; 2709 $RUNTIME += $TICK;
2544 $NEXT_TICK += $TICK; 2710 $NEXT_TICK += $TICK;
2545 2711
2546 $WAIT_FOR_TICK->broadcast; 2712 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2713 $NEXT_RUNTIME_WRITE = $NOW + 10;
2548 2714 Coro::async_pool {
2549 Event::sweep; 2715 write_runtime
2550 Coro::cede_notself; 2716 or warn "ERROR: unable to write runtime file: $!";
2717 };
2551 2718 }
2719
2552# my $AFTER = Event::time; 2720# my $AFTER = Event::time;
2553# warn $AFTER - $NOW;#d# 2721# warn $AFTER - $NOW;#d#
2554 2722
2555 # if we are delayed by four ticks or more, skip them all 2723 # if we are delayed by four ticks or more, skip them all
2556 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2724 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557 2725
2558 $TICK_WATCHER->at ($NEXT_TICK); 2726 $TICK_WATCHER->at ($NEXT_TICK);
2559 $TICK_WATCHER->start; 2727 $TICK_WATCHER->start;
2728
2729 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730 $sig->send;
2731 }
2732 while (my $sig = shift @WAIT_FOR_TICK) {
2733 $sig->send;
2734 }
2735
2736 _post_tick;
2560 }, 2737 },
2561); 2738);
2562 2739
2563{ 2740{
2564 BDB::max_poll_time $TICK * 0.1; 2741 BDB::max_poll_time $TICK * 0.1;
… …
2589 2766
2590 unless ($DB_ENV) { 2767 unless ($DB_ENV) {
2591 $DB_ENV = BDB::db_env_create; 2768 $DB_ENV = BDB::db_env_create;
2592 2769
2593 cf::sync_job { 2770 cf::sync_job {
2771 eval {
2594 BDB::db_env_open 2772 BDB::db_env_open
2595 $DB_ENV, 2773 $DB_ENV,
2596 $BDB_ENV_DIR, 2774 $BDB_ENV_DIR,
2597 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 2775 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 2776 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599 0666; 2777 0666;
2600 2778
2601 cf::cleanup "$!" if $!; 2779 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2602 2780
2603 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 2781 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2604 $DB_ENV->set_lk_detect; 2782 $DB_ENV->set_lk_detect;
2783 };
2784
2785 cf::cleanup "db_env_open(db): $@" if $@;
2605 }; 2786 };
2606 } 2787 }
2607} 2788}
2608 2789
2609{ 2790{
… …
2611 2792
2612 undef $Coro::AIO::WATCHER; 2793 undef $Coro::AIO::WATCHER;
2613 IO::AIO::max_poll_time $TICK * 0.1; 2794 IO::AIO::max_poll_time $TICK * 0.1;
2614 $AIO_POLL_WATCHER = Event->io ( 2795 $AIO_POLL_WATCHER = Event->io (
2615 reentrant => 0, 2796 reentrant => 0,
2797 data => WF_AUTOCANCEL,
2616 fd => IO::AIO::poll_fileno, 2798 fd => IO::AIO::poll_fileno,
2617 poll => 'r', 2799 poll => 'r',
2618 prio => 6, 2800 prio => 6,
2619 data => WF_AUTOCANCEL,
2620 cb => \&IO::AIO::poll_cb, 2801 cb => \&IO::AIO::poll_cb,
2621 ); 2802 );
2622} 2803}
2623 2804
2624$WRITE_RUNTIME_WATCHER = Event->timer (
2625 reentrant => 0,
2626 data => WF_AUTOCANCEL,
2627 after => 1,
2628 interval => 10,
2629 prio => 6, # keep it lowest so it acts like a watchdog
2630 cb => Coro::unblock_sub {
2631 write_runtime
2632 or warn "ERROR: unable to write runtime file: $!";
2633 },
2634);
2635
2636END { cf::emergency_save } 2805END { cf::emergency_save }
2637 2806
26381 28071
2639 2808

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