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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC vs.
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC

… …
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
19 19
20use Digest::MD5; 20use Digest::MD5;
21use Fcntl; 21use Fcntl;
22use IO::AIO 2.31 (); 22use IO::AIO 2.32 ();
23use YAML::Syck (); 23use YAML::Syck ();
24use Time::HiRes; 24use Time::HiRes;
25 25
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 26use Event; $Event::Eval = 1; # no idea why this is required, but it is
27 27
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 29$YAML::Syck::ImplicitUnicode = 1;
30 30
31$Coro::main->prio (2); # run main coroutine ("the server") with very high priority 31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 34
35our %COMMAND = (); 35our %COMMAND = ();
36our %COMMAND_TIME = (); 36our %COMMAND_TIME = ();
… …
47our %CFG; 47our %CFG;
48 48
49our $UPTIME; $UPTIME ||= time; 49our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 50our $RUNTIME;
51 51
52our %PLAYER; # all users
52our %MAP; # all maps 53our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 54our $LINK_MAP; # the special {link} map
54our $RANDOM_MAPS = cf::localdir . "/random"; 55our $RANDOM_MAPS = cf::localdir . "/random";
55our %EXT_CORO; 56our %EXT_CORO; # coroutines bound to extensions
56 57
57binmode STDOUT; 58binmode STDOUT;
58binmode STDERR; 59binmode STDERR;
59 60
60# read virtual server time, if available 61# read virtual server time, if available
… …
221 # wake up all waiters, to be on the safe side 222 # wake up all waiters, to be on the safe side
222 $_->ready for @{ delete $LOCK{$key} }; 223 $_->ready for @{ delete $LOCK{$key} };
223 } 224 }
224} 225}
225 226
226=item cf::async { BLOCK }
227
228Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229error instead of exiting the server in case of a problem.
230
231=cut
232
233sub async(&) {
234 my ($cb) = @_;
235
236 Coro::async {
237 eval { $cb->() };
238 warn $@ if $@;
239 }
240}
241
242sub freeze_mainloop { 227sub freeze_mainloop {
243 return unless $TICK_WATCHER->is_active; 228 return unless $TICK_WATCHER->is_active;
244 229
245 my $guard = Coro::guard { $TICK_WATCHER->start }; 230 my $guard = Coro::guard { $TICK_WATCHER->start };
246 $TICK_WATCHER->stop; 231 $TICK_WATCHER->stop;
247 $guard 232 $guard
248} 233}
234
235=item cf::async { BLOCK }
236
237Currently the same as Coro::async_pool, meaning you cannot use
238C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
239thing you are allowed to do is call C<prio> on it.
240
241=cut
242
243BEGIN { *async = \&Coro::async_pool }
249 244
250=item cf::sync_job { BLOCK } 245=item cf::sync_job { BLOCK }
251 246
252The design of crossfire+ requires that the main coro ($Coro::main) is 247The design of crossfire+ requires that the main coro ($Coro::main) is
253always able to handle events or runnable, as crossfire+ is only partly 248always able to handle events or runnable, as crossfire+ is only partly
… …
272 my $freeze_guard = freeze_mainloop; 267 my $freeze_guard = freeze_mainloop;
273 268
274 my $busy = 1; 269 my $busy = 1;
275 my @res; 270 my @res;
276 271
277 (Coro::async { 272 (async {
278 @res = eval { $job->() }; 273 @res = eval { $job->() };
279 warn $@ if $@; 274 warn $@ if $@;
280 undef $busy; 275 undef $busy;
281 })->prio (Coro::PRIO_MAX); 276 })->prio (Coro::PRIO_MAX);
282 277
283 while ($busy) { 278 while ($busy) {
284 Coro::cede_notself; 279 Coro::cede or Event::one_event;
285 Event::one_event unless Coro::nready;
286 } 280 }
287 281
288 wantarray ? @res : $res[0] 282 wantarray ? @res : $res[0]
289 } else { 283 } else {
290 # we are in another coroutine, how wonderful, everything just works 284 # we are in another coroutine, how wonderful, everything just works
291 285
292 $job->() 286 $job->()
293 } 287 }
294} 288}
295 289
296=item $coro = cf::coro { BLOCK } 290=item $coro = cf::async_ext { BLOCK }
297 291
298Creates and returns a new coro. This coro is automcatially being canceled 292Like async, but this coro is automcatially being canceled when the
299when the extension calling this is being unloaded. 293extension calling this is being unloaded.
300 294
301=cut 295=cut
302 296
303sub coro(&) { 297sub async_ext(&) {
304 my $cb = shift; 298 my $cb = shift;
305 299
306 my $coro = &cf::async ($cb); 300 my $coro = &Coro::async ($cb);
307 301
308 $coro->on_destroy (sub { 302 $coro->on_destroy (sub {
309 delete $EXT_CORO{$coro+0}; 303 delete $EXT_CORO{$coro+0};
310 }); 304 });
311 $EXT_CORO{$coro+0} = $coro; 305 $EXT_CORO{$coro+0} = $coro;
… …
1078 1072
1079=head2 CORE EXTENSIONS 1073=head2 CORE EXTENSIONS
1080 1074
1081Functions and methods that extend core crossfire objects. 1075Functions and methods that extend core crossfire objects.
1082 1076
1077=cut
1078
1079package cf::player;
1080
1083=head3 cf::player 1081=head3 cf::player
1084 1082
1085=over 4 1083=over 4
1086 1084
1087=item cf::player::exists $login 1085=item cf::player::find $login
1088 1086
1089Returns true when the given account exists. 1087Returns the given player object, loading it if necessary (might block).
1090 1088
1091=cut 1089=cut
1092 1090
1093sub cf::player::exists($) { 1091sub playerdir($) {
1094 cf::player::find $_[0] 1092 cf::localdir
1095 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 1093 . "/"
1094 . cf::playerdir
1095 . "/"
1096 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1097}
1098
1099sub path($) {
1100 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101
1102 (playerdir $login) . "/$login.pl"
1103}
1104
1105sub find_active($) {
1106 $cf::PLAYER{$_[0]}
1107 and $cf::PLAYER{$_[0]}->active
1108 and $cf::PLAYER{$_[0]}
1109}
1110
1111sub exists($) {
1112 my ($login) = @_;
1113
1114 $cf::PLAYER{$login}
1115 or cf::sync_job { !aio_stat $login }
1116}
1117
1118sub find($) {
1119 return $cf::PLAYER{$_[0]} || do {
1120 my $login = $_[0];
1121
1122 my $guard = cf::lock_acquire "user_find:$login";
1123
1124 $cf::PLAYER{$login} ||= (load_pl path $login or return);
1125 };
1126}
1127
1128sub save($) {
1129 my ($pl) = @_;
1130
1131 return if $pl->{deny_save};
1132
1133 my $path = path $pl;
1134 my $guard = cf::lock_acquire "user_save:$path";
1135
1136 return if $pl->{deny_save};
1137 $pl->{last_save} = $cf::RUNTIME;
1138
1139 Coro::cede;
1140 $pl->save_pl ($path);
1141 Coro::cede;
1142}
1143
1144sub new($) {
1145 my ($login) = @_;
1146
1147 my $self = create;
1148
1149 $self->ob->name ($login);
1150 $self->{deny_save} = 1;
1151
1152 $cf::PLAYER{$login} = $self;
1153
1154 $self
1155}
1156
1157sub quit_character {
1158 my ($pl) = @_;
1159
1160 $pl->{deny_save} = 1;
1161 $pl->password ("*"); # this should lock out the player until we nuked the dir
1162
1163 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1164 $pl->deactivate;
1165 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1166 $pl->ns->destroy if $pl->ns;
1167
1168 my $path = playerdir $pl;
1169 my $temp = "$path~$cf::RUNTIME~deleting~";
1170 IO::AIO::aio_rename $path, $temp, sub {
1171 delete $cf::PLAYER{$pl->ob->name};
1172 $pl->destroy;
1173
1174 IO::AIO::aio_rmtree $temp;
1175 };
1096} 1176}
1097 1177
1098=item $player->ext_reply ($msgid, $msgtype, %msg) 1178=item $player->ext_reply ($msgid, $msgtype, %msg)
1099 1179
1100Sends an ext reply to the player. 1180Sends an ext reply to the player.
1101 1181
1102=cut 1182=cut
1103 1183
1104sub cf::player::ext_reply($$$%) { 1184sub ext_reply($$$%) {
1105 my ($self, $id, %msg) = @_; 1185 my ($self, $id, %msg) = @_;
1106 1186
1107 $msg{msgid} = $id; 1187 $msg{msgid} = $id;
1108 1188
1109 $self->send ("ext " . to_json \%msg); 1189 $self->send ("ext " . cf::to_json \%msg);
1110} 1190}
1191
1192package cf;
1111 1193
1112=back 1194=back
1113 1195
1114 1196
1115=head3 cf::map 1197=head3 cf::map
… …
1311 1393
1312 return if $self->{deny_save}; 1394 return if $self->{deny_save};
1313 1395
1314 local $self->{last_access} = $self->last_access;#d# 1396 local $self->{last_access} = $self->last_access;#d#
1315 1397
1398 cf::async {
1399 $_->contr->save for $self->players;
1400 };
1401
1316 if ($uniq) { 1402 if ($uniq) {
1317 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1403 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318 $self->save_objects ($uniq, cf::IO_UNIQUES); 1404 $self->save_objects ($uniq, cf::IO_UNIQUES);
1319 } else { 1405 } else {
1320 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1406 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
… …
1417} 1503}
1418 1504
1419sub emergency_save { 1505sub emergency_save {
1420 my $freeze_guard = cf::freeze_mainloop; 1506 my $freeze_guard = cf::freeze_mainloop;
1421 1507
1422 warn "enter emergency map save\n"; 1508 warn "enter emergency perl save\n";
1423 1509
1424 cf::sync_job { 1510 cf::sync_job {
1511 warn "begin emergency player save\n";
1512 $_->save for values %cf::PLAYER;
1513 warn "end emergency player save\n";
1514
1425 warn "begin emergency map save\n"; 1515 warn "begin emergency map save\n";
1426 $_->save for values %cf::MAP; 1516 $_->save for values %cf::MAP;
1517 warn "end emergency map save\n";
1427 }; 1518 };
1428 1519
1429 warn "end emergency map save\n"; 1520 warn "leave emergency perl save\n";
1430} 1521}
1431 1522
1432package cf; 1523package cf;
1433 1524
1434=back 1525=back
… …
1533 ($x, $y) = ($map->enter_x, $map->enter_y) 1624 ($x, $y) = ($map->enter_x, $map->enter_y)
1534 if $x <=0 && $y <= 0; 1625 if $x <=0 && $y <= 0;
1535 1626
1536 $map->load; 1627 $map->load;
1537 1628
1629 return unless $self->contr->active;
1538 $self->activate_recursive; 1630 $self->activate_recursive;
1539 $self->enter_map ($map, $x, $y); 1631 $self->enter_map ($map, $x, $y);
1540} 1632}
1541 1633
1542cf::player->attach ( 1634cf::player->attach (
… …
1555 1647
1556 # try to abort aborted map switching on player login :) 1648 # try to abort aborted map switching on player login :)
1557 # should happen only on crashes 1649 # should happen only on crashes
1558 if ($pl->ob->{_link_pos}) { 1650 if ($pl->ob->{_link_pos}) {
1559 $pl->ob->enter_link; 1651 $pl->ob->enter_link;
1560 cf::async { 1652 (async {
1561 # we need this sleep as the login has a concurrent enter_exit running 1653 # we need this sleep as the login has a concurrent enter_exit running
1562 # and this sleep increases chances of the player not ending up in scorn 1654 # and this sleep increases chances of the player not ending up in scorn
1655 $pl->ob->reply (undef,
1656 "There was an internal problem at your last logout, "
1657 . "the server will try to bring you to your intended destination in a second.",
1658 cf::NDI_RED);
1563 Coro::Timer::sleep 1; 1659 Coro::Timer::sleep 1;
1564 $pl->ob->leave_link; 1660 $pl->ob->leave_link;
1565 }; 1661 })->prio (2);
1566 } 1662 }
1567 }, 1663 },
1568); 1664);
1569 1665
1570=item $player_object->goto ($path, $x, $y) 1666=item $player_object->goto ($path, $x, $y)
… …
1574sub cf::object::player::goto { 1670sub cf::object::player::goto {
1575 my ($self, $path, $x, $y) = @_; 1671 my ($self, $path, $x, $y) = @_;
1576 1672
1577 $self->enter_link; 1673 $self->enter_link;
1578 1674
1579 (cf::async { 1675 (async {
1580 $path = new cf::path $path; 1676 $path = new cf::path $path;
1581 1677
1582 my $map = cf::map::find $path->as_string; 1678 my $map = cf::map::find $path->as_string;
1583 $map = $map->customise_for ($self) if $map; 1679 $map = $map->customise_for ($self) if $map;
1584 1680
… …
1646 1742
1647 return unless $self->type == cf::PLAYER; 1743 return unless $self->type == cf::PLAYER;
1648 1744
1649 $self->enter_link; 1745 $self->enter_link;
1650 1746
1651 (cf::async { 1747 (async {
1652 $self->deactivate_recursive; # just to be sure 1748 $self->deactivate_recursive; # just to be sure
1653 unless (eval { 1749 unless (eval {
1654 prepare_random_map $exit 1750 prepare_random_map $exit
1655 if $exit->slaying eq "/!"; 1751 if $exit->slaying eq "/!";
1656 1752
… …
1737 } 1833 }
1738 } 1834 }
1739 }, 1835 },
1740); 1836);
1741 1837
1742=item $client->coro (\&cb) 1838=item $client->async (\&cb)
1743 1839
1744Create a new coroutine, running the specified callback. The coroutine will 1840Create a new coroutine, running the specified callback. The coroutine will
1745be automatically cancelled when the client gets destroyed (e.g. on logout, 1841be automatically cancelled when the client gets destroyed (e.g. on logout,
1746or loss of connection). 1842or loss of connection).
1747 1843
1748=cut 1844=cut
1749 1845
1750sub cf::client::coro { 1846sub cf::client::async {
1751 my ($self, $cb) = @_; 1847 my ($self, $cb) = @_;
1752 1848
1753 my $coro = &cf::async ($cb); 1849 my $coro = &Coro::async ($cb);
1754 1850
1755 $coro->on_destroy (sub { 1851 $coro->on_destroy (sub {
1756 delete $self->{_coro}{$coro+0}; 1852 delete $self->{_coro}{$coro+0};
1757 }); 1853 });
1758 1854
… …
1996 local $/; 2092 local $/;
1997 *CFG = YAML::Syck::Load <$fh>; 2093 *CFG = YAML::Syck::Load <$fh>;
1998 2094
1999 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 2095 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000 2096
2097 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099
2001 if (exists $CFG{mlockall}) { 2100 if (exists $CFG{mlockall}) {
2002 eval { 2101 eval {
2003 $CFG{mlockall} ? &mlockall : &munlockall 2102 $CFG{mlockall} ? &mlockall : &munlockall
2004 and die "WARNING: m(un)lockall failed: $!\n"; 2103 and die "WARNING: m(un)lockall failed: $!\n";
2005 }; 2104 };
… …
2009 2108
2010sub main { 2109sub main {
2011 # we must not ever block the main coroutine 2110 # we must not ever block the main coroutine
2012 local $Coro::idle = sub { 2111 local $Coro::idle = sub {
2013 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2112 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014 (Coro::unblock_sub {
2015 Event::one_event; 2113 async { Event::one_event };
2016 })->();
2017 }; 2114 };
2018 2115
2019 cfg_load; 2116 cfg_load;
2020 db_load; 2117 db_load;
2021 load_extensions; 2118 load_extensions;
… …
2104 cf::load_extensions; 2201 cf::load_extensions;
2105 2202
2106 # reattach attachments to objects 2203 # reattach attachments to objects
2107 warn "reattach"; 2204 warn "reattach";
2108 _global_reattach; 2205 _global_reattach;
2206 reattach $_ for values %MAP;
2109 }; 2207 };
2110 2208
2111 if ($@) { 2209 if ($@) {
2112 warn $@; 2210 warn $@;
2113 warn "error while reloading, exiting."; 2211 warn "error while reloading, exiting.";
… …
2129 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; 2227 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130 $LINK_MAP->in_memory (MAP_IN_MEMORY); 2228 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2131 2229
2132 # dirty hack because... archetypes are not yet loaded 2230 # dirty hack because... archetypes are not yet loaded
2133 Event->timer ( 2231 Event->timer (
2134 after => 2, 2232 after => 10,
2135 cb => sub { 2233 cb => sub {
2136 $_[0]->w->cancel; 2234 $_[0]->w->cancel;
2137 2235
2138 # provide some exits "home" 2236 # provide some exits "home"
2139 my $exit = cf::object::new "exit"; 2237 my $exit = cf::object::new "exit";

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