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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.149 by root, Mon Jan 8 14:11:05 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
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
117 utf8::encode $msg; 118 utf8::encode $msg;
118 119
119 $msg .= "\n" 120 $msg .= "\n"
120 unless $msg =~ /\n$/; 121 unless $msg =~ /\n$/;
121 122
122 LOG llevError, "cfperl: $msg"; 123 LOG llevError, $msg;
123 }; 124 };
124} 125}
125 126
126@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
229 my $guard = Coro::guard { $TICK_WATCHER->start }; 230 my $guard = Coro::guard { $TICK_WATCHER->start };
230 $TICK_WATCHER->stop; 231 $TICK_WATCHER->stop;
231 $guard 232 $guard
232} 233}
233 234
235=item cf::async { BLOCK }
236
237Currently the same as Coro::async_pool, meaning you cannot use
238C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
239thing you are allowed to do is call C<prio> on it.
240
241=cut
242
243BEGIN { *async = \&Coro::async_pool }
244
234=item cf::sync_job { BLOCK } 245=item cf::sync_job { BLOCK }
235 246
236The design of crossfire+ requires that the main coro ($Coro::main) is 247The design of crossfire+ requires that the main coro ($Coro::main) is
237always able to handle events or runnable, as crossfire+ is only partly 248always able to handle events or runnable, as crossfire+ is only partly
238reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 249reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
256 my $freeze_guard = freeze_mainloop; 267 my $freeze_guard = freeze_mainloop;
257 268
258 my $busy = 1; 269 my $busy = 1;
259 my @res; 270 my @res;
260 271
261 (Coro::async_pool { 272 (async {
262 @res = eval { $job->() }; 273 @res = eval { $job->() };
263 warn $@ if $@; 274 warn $@ if $@;
264 undef $busy; 275 undef $busy;
265 })->prio (Coro::PRIO_MAX); 276 })->prio (Coro::PRIO_MAX);
266 277
267 while ($busy) { 278 while ($busy) {
268 unless (Coro::cede) { 279 Coro::cede or Event::one_event;
269 Coro::nready ? Event::one_event 0 : Event::one_event;
270 Coro::cede_notself unless Coro::cede;
271 }
272 } 280 }
273 281
274 wantarray ? @res : $res[0] 282 wantarray ? @res : $res[0]
275 } else { 283 } else {
276 # we are in another coroutine, how wonderful, everything just works 284 # we are in another coroutine, how wonderful, everything just works
277 285
278 $job->() 286 $job->()
279 } 287 }
280} 288}
281 289
282=item $coro = cf::coro { BLOCK } 290=item $coro = cf::async_ext { BLOCK }
283 291
284Creates (and readies) and returns a new coro. This coro is automcatially 292Like async, but this coro is automcatially being canceled when the
285being canceled when the extension calling this is being unloaded. 293extension calling this is being unloaded.
286 294
287=cut 295=cut
288 296
289sub coro(&) { 297sub async_ext(&) {
290 my $cb = shift; 298 my $cb = shift;
291 299
292 my $coro = &Coro::async_pool ($cb); 300 my $coro = &Coro::async ($cb);
293 301
294 $coro->on_destroy (sub { 302 $coro->on_destroy (sub {
295 delete $EXT_CORO{$coro+0}; 303 delete $EXT_CORO{$coro+0};
296 }); 304 });
297 $EXT_CORO{$coro+0} = $coro; 305 $EXT_CORO{$coro+0} = $coro;
1064 1072
1065=head2 CORE EXTENSIONS 1073=head2 CORE EXTENSIONS
1066 1074
1067Functions and methods that extend core crossfire objects. 1075Functions and methods that extend core crossfire objects.
1068 1076
1077=cut
1078
1079package cf::player;
1080
1069=head3 cf::player 1081=head3 cf::player
1070 1082
1071=over 4 1083=over 4
1072 1084
1073=item cf::player::exists $login 1085=item cf::player::find $login
1074 1086
1075Returns true when the given account exists. 1087Returns the given player object, loading it if necessary (might block).
1076 1088
1077=cut 1089=cut
1078 1090
1079sub cf::player::exists($) { 1091sub playerdir($) {
1080 cf::player::find $_[0] 1092 cf::localdir
1081 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1138 Coro::AIO::aio_mkdir playerdir $pl, 0770;
1139 $pl->{last_save} = $cf::RUNTIME;
1140
1141 $pl->save_pl ($path);
1142 Coro::cede;
1143}
1144
1145sub new($) {
1146 my ($login) = @_;
1147
1148 my $self = create;
1149
1150 $self->ob->name ($login);
1151 $self->{deny_save} = 1;
1152
1153 $cf::PLAYER{$login} = $self;
1154
1155 $self
1156}
1157
1158sub quit_character {
1159 my ($pl) = @_;
1160
1161 $pl->{deny_save} = 1;
1162 $pl->password ("*"); # this should lock out the player until we nuked the dir
1163
1164 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1165 $pl->deactivate;
1166 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1167 $pl->ns->destroy if $pl->ns;
1168
1169 my $path = playerdir $pl;
1170 my $temp = "$path~$cf::RUNTIME~deleting~";
1171 IO::AIO::aio_rename $path, $temp, sub {
1172 delete $cf::PLAYER{$pl->ob->name};
1173 $pl->destroy;
1174
1175 IO::AIO::aio_rmtree $temp;
1176 };
1082} 1177}
1083 1178
1084=item $player->ext_reply ($msgid, $msgtype, %msg) 1179=item $player->ext_reply ($msgid, $msgtype, %msg)
1085 1180
1086Sends an ext reply to the player. 1181Sends an ext reply to the player.
1087 1182
1088=cut 1183=cut
1089 1184
1090sub cf::player::ext_reply($$$%) { 1185sub ext_reply($$$%) {
1091 my ($self, $id, %msg) = @_; 1186 my ($self, $id, %msg) = @_;
1092 1187
1093 $msg{msgid} = $id; 1188 $msg{msgid} = $id;
1094 1189
1095 $self->send ("ext " . to_json \%msg); 1190 $self->send ("ext " . cf::to_json \%msg);
1096} 1191}
1192
1193package cf;
1097 1194
1098=back 1195=back
1099 1196
1100 1197
1101=head3 cf::map 1198=head3 cf::map
1270} 1367}
1271 1368
1272sub find_sync { 1369sub find_sync {
1273 my ($path, $origin) = @_; 1370 my ($path, $origin) = @_;
1274 1371
1275 cf::sync_job { 1372 cf::sync_job { cf::map::find $path, $origin }
1276 my $map = cf::map::find $path, $origin;
1277 $map
1278 }
1279} 1373}
1280 1374
1281sub do_load_sync { 1375sub do_load_sync {
1282 my ($map) = @_; 1376 my ($map) = @_;
1283 1377
1299 $self->{load_path} = $save; 1393 $self->{load_path} = $save;
1300 1394
1301 return if $self->{deny_save}; 1395 return if $self->{deny_save};
1302 1396
1303 local $self->{last_access} = $self->last_access;#d# 1397 local $self->{last_access} = $self->last_access;#d#
1398
1399 cf::async {
1400 $_->contr->save for $self->players;
1401 };
1304 1402
1305 if ($uniq) { 1403 if ($uniq) {
1306 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1404 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307 $self->save_objects ($uniq, cf::IO_UNIQUES); 1405 $self->save_objects ($uniq, cf::IO_UNIQUES);
1308 } else { 1406 } else {
1406} 1504}
1407 1505
1408sub emergency_save { 1506sub emergency_save {
1409 my $freeze_guard = cf::freeze_mainloop; 1507 my $freeze_guard = cf::freeze_mainloop;
1410 1508
1411 warn "enter emergency map save\n"; 1509 warn "enter emergency perl save\n";
1412 1510
1413 cf::sync_job { 1511 cf::sync_job {
1512 warn "begin emergency player save\n";
1513 $_->save for values %cf::PLAYER;
1514 warn "end emergency player save\n";
1515
1414 warn "begin emergency map save\n"; 1516 warn "begin emergency map save\n";
1415 $_->save for values %cf::MAP; 1517 $_->save for values %cf::MAP;
1518 warn "end emergency map save\n";
1416 }; 1519 };
1417 1520
1418 warn "end emergency map save\n"; 1521 warn "leave emergency perl save\n";
1419} 1522}
1420 1523
1421package cf; 1524package cf;
1422 1525
1423=back 1526=back
1522 ($x, $y) = ($map->enter_x, $map->enter_y) 1625 ($x, $y) = ($map->enter_x, $map->enter_y)
1523 if $x <=0 && $y <= 0; 1626 if $x <=0 && $y <= 0;
1524 1627
1525 $map->load; 1628 $map->load;
1526 1629
1630 return unless $self->contr->active;
1527 $self->activate_recursive; 1631 $self->activate_recursive;
1528 $self->enter_map ($map, $x, $y); 1632 $self->enter_map ($map, $x, $y);
1529} 1633}
1530 1634
1531cf::player->attach ( 1635cf::player->attach (
1543 my ($pl) = @_; 1647 my ($pl) = @_;
1544 1648
1545 # try to abort aborted map switching on player login :) 1649 # try to abort aborted map switching on player login :)
1546 # should happen only on crashes 1650 # should happen only on crashes
1547 if ($pl->ob->{_link_pos}) { 1651 if ($pl->ob->{_link_pos}) {
1548
1549 $pl->ob->enter_link; 1652 $pl->ob->enter_link;
1550 (Coro::async_pool { 1653 (async {
1551 # we need this sleep as the login has a concurrent enter_exit running 1654 # we need this sleep as the login has a concurrent enter_exit running
1552 # and this sleep increases chances of the player not ending up in scorn 1655 # and this sleep increases chances of the player not ending up in scorn
1656 $pl->ob->reply (undef,
1657 "There was an internal problem at your last logout, "
1658 . "the server will try to bring you to your intended destination in a second.",
1659 cf::NDI_RED);
1553 Coro::Timer::sleep 1; 1660 Coro::Timer::sleep 1;
1554 $pl->ob->leave_link; 1661 $pl->ob->leave_link;
1555 })->prio (2); 1662 })->prio (2);
1556 } 1663 }
1557 }, 1664 },
1564sub cf::object::player::goto { 1671sub cf::object::player::goto {
1565 my ($self, $path, $x, $y) = @_; 1672 my ($self, $path, $x, $y) = @_;
1566 1673
1567 $self->enter_link; 1674 $self->enter_link;
1568 1675
1569 (Coro::async_pool { 1676 (async {
1570 $path = new cf::path $path; 1677 $path = new cf::path $path;
1571 1678
1572 my $map = cf::map::find $path->as_string; 1679 my $map = cf::map::find $path->as_string;
1573 $map = $map->customise_for ($self) if $map; 1680 $map = $map->customise_for ($self) if $map;
1574 1681
1575# warn "entering ", $map->path, " at ($x, $y)\n" 1682# warn "entering ", $map->path, " at ($x, $y)\n"
1576# if $map; 1683# if $map;
1577 1684
1685 $map or $map->cluck ("oy");#d#
1578 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1686 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579 1687
1580 $self->leave_link ($map, $x, $y); 1688 $self->leave_link ($map, $x, $y);
1581 })->prio (1); 1689 })->prio (1);
1582} 1690}
1583 1691
1636 1744
1637 return unless $self->type == cf::PLAYER; 1745 return unless $self->type == cf::PLAYER;
1638 1746
1639 $self->enter_link; 1747 $self->enter_link;
1640 1748
1641 (Coro::async_pool { 1749 (async {
1642 $self->deactivate_recursive; # just to be sure 1750 $self->deactivate_recursive; # just to be sure
1643 unless (eval { 1751 unless (eval {
1644 prepare_random_map $exit 1752 prepare_random_map $exit
1645 if $exit->slaying eq "/!"; 1753 if $exit->slaying eq "/!";
1646 1754
1727 } 1835 }
1728 } 1836 }
1729 }, 1837 },
1730); 1838);
1731 1839
1732=item $client->coro (\&cb) 1840=item $client->async (\&cb)
1733 1841
1734Create a new coroutine, running the specified callback. The coroutine will 1842Create a new coroutine, running the specified callback. The coroutine will
1735be automatically cancelled when the client gets destroyed (e.g. on logout, 1843be automatically cancelled when the client gets destroyed (e.g. on logout,
1736or loss of connection). 1844or loss of connection).
1737 1845
1738=cut 1846=cut
1739 1847
1740sub cf::client::coro { 1848sub cf::client::async {
1741 my ($self, $cb) = @_; 1849 my ($self, $cb) = @_;
1742 1850
1743 my $coro = &Coro::async_pool ($cb); 1851 my $coro = &Coro::async ($cb);
1744 1852
1745 $coro->on_destroy (sub { 1853 $coro->on_destroy (sub {
1746 delete $self->{_coro}{$coro+0}; 1854 delete $self->{_coro}{$coro+0};
1747 }); 1855 });
1748 1856
1991 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2099 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2100 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993 2101
1994 if (exists $CFG{mlockall}) { 2102 if (exists $CFG{mlockall}) {
1995 eval { 2103 eval {
1996 $CFG{mlockall} ? &mlockall : &munlockall 2104 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997 and die "WARNING: m(un)lockall failed: $!\n"; 2105 and die "WARNING: m(un)lockall failed: $!\n";
1998 }; 2106 };
1999 warn $@ if $@; 2107 warn $@ if $@;
2000 } 2108 }
2001} 2109}
2002 2110
2003sub main { 2111sub main {
2004 # we must not ever block the main coroutine 2112 # we must not ever block the main coroutine
2005 local $Coro::idle = sub { 2113 local $Coro::idle = sub {
2006 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2114 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007 Coro::async_pool { Event::one_event }; 2115 async { Event::one_event };
2008 }; 2116 };
2009 2117
2010 cfg_load; 2118 cfg_load;
2011 db_load; 2119 db_load;
2012 load_extensions; 2120 load_extensions;
2095 cf::load_extensions; 2203 cf::load_extensions;
2096 2204
2097 # reattach attachments to objects 2205 # reattach attachments to objects
2098 warn "reattach"; 2206 warn "reattach";
2099 _global_reattach; 2207 _global_reattach;
2208 reattach $_ for values %MAP;
2100 }; 2209 };
2101 2210
2102 if ($@) { 2211 if ($@) {
2103 warn $@; 2212 warn $@;
2104 warn "error while reloading, exiting."; 2213 warn "error while reloading, exiting.";
2120 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; 2229 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121 $LINK_MAP->in_memory (MAP_IN_MEMORY); 2230 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2122 2231
2123 # dirty hack because... archetypes are not yet loaded 2232 # dirty hack because... archetypes are not yet loaded
2124 Event->timer ( 2233 Event->timer (
2125 after => 2, 2234 after => 10,
2126 cb => sub { 2235 cb => sub {
2127 $_[0]->w->cancel; 2236 $_[0]->w->cancel;
2128 2237
2129 # provide some exits "home" 2238 # provide some exits "home"
2130 my $exit = cf::object::new "exit"; 2239 my $exit = cf::object::new "exit";

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