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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.152 by root, Mon Jan 8 22:32:10 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
… …
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 Coro::cede_notself; 279 Coro::cede or Event::one_event;
269 Event::one_event unless Coro::nready;
270 } 280 }
271 281
272 wantarray ? @res : $res[0] 282 wantarray ? @res : $res[0]
273 } else { 283 } else {
274 # we are in another coroutine, how wonderful, everything just works 284 # we are in another coroutine, how wonderful, everything just works
275 285
276 $job->() 286 $job->()
277 } 287 }
278} 288}
279 289
280=item $coro = cf::coro { BLOCK } 290=item $coro = cf::async_ext { BLOCK }
281 291
282Creates (and readies) and returns a new coro. This coro is automcatially 292Like async, but this coro is automcatially being canceled when the
283being canceled when the extension calling this is being unloaded. 293extension calling this is being unloaded.
284 294
285=cut 295=cut
286 296
287sub coro(&) { 297sub async_ext(&) {
288 my $cb = shift; 298 my $cb = shift;
289 299
290 my $coro = &Coro::async_pool ($cb); 300 my $coro = &Coro::async ($cb);
291 301
292 $coro->on_destroy (sub { 302 $coro->on_destroy (sub {
293 delete $EXT_CORO{$coro+0}; 303 delete $EXT_CORO{$coro+0};
294 }); 304 });
295 $EXT_CORO{$coro+0} = $coro; 305 $EXT_CORO{$coro+0} = $coro;
… …
1062 1072
1063=head2 CORE EXTENSIONS 1073=head2 CORE EXTENSIONS
1064 1074
1065Functions and methods that extend core crossfire objects. 1075Functions and methods that extend core crossfire objects.
1066 1076
1077=cut
1078
1079package cf::player;
1080
1067=head3 cf::player 1081=head3 cf::player
1068 1082
1069=over 4 1083=over 4
1070 1084
1071=item cf::player::exists $login 1085=item cf::player::find $login
1072 1086
1073Returns true when the given account exists. 1087Returns the given player object, loading it if necessary (might block).
1074 1088
1075=cut 1089=cut
1076 1090
1077sub cf::player::exists($) { 1091sub playerdir($) {
1078 cf::player::find $_[0] 1092 cf::localdir
1079 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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 $cf::PLAYER{$_[0]} || do {
1125 my $pl = load_pl path $login
1126 or return;
1127 $cf::PLAYER{$login} = $pl
1128 }
1129 }
1130}
1131
1132sub save($) {
1133 my ($pl) = @_;
1134
1135 return if $pl->{deny_save};
1136
1137 my $path = path $pl;
1138 my $guard = cf::lock_acquire "user_save:$path";
1139
1140 return if $pl->{deny_save};
1141
1142 Coro::AIO::aio_mkdir playerdir $pl, 0770;
1143 $pl->{last_save} = $cf::RUNTIME;
1144
1145 $pl->save_pl ($path);
1146 Coro::cede;
1147}
1148
1149sub new($) {
1150 my ($login) = @_;
1151
1152 my $self = create;
1153
1154 $self->ob->name ($login);
1155 $self->{deny_save} = 1;
1156
1157 $cf::PLAYER{$login} = $self;
1158
1159 $self
1160}
1161
1162sub quit_character {
1163 my ($pl) = @_;
1164
1165 $pl->{deny_save} = 1;
1166 $pl->password ("*"); # this should lock out the player until we nuked the dir
1167
1168 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1169 $pl->deactivate;
1170 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1171 $pl->ns->destroy if $pl->ns;
1172
1173 my $path = playerdir $pl;
1174 my $temp = "$path~$cf::RUNTIME~deleting~";
1175 Coro::AIO::aio_rename $path, $temp;
1176 delete $cf::PLAYER{$pl->ob->name};
1177 $pl->destroy;
1178 IO::AIO::aio_rmtree $temp;
1080} 1179}
1081 1180
1082=item $player->ext_reply ($msgid, $msgtype, %msg) 1181=item $player->ext_reply ($msgid, $msgtype, %msg)
1083 1182
1084Sends an ext reply to the player. 1183Sends an ext reply to the player.
1085 1184
1086=cut 1185=cut
1087 1186
1088sub cf::player::ext_reply($$$%) { 1187sub ext_reply($$$%) {
1089 my ($self, $id, %msg) = @_; 1188 my ($self, $id, %msg) = @_;
1090 1189
1091 $msg{msgid} = $id; 1190 $msg{msgid} = $id;
1092 1191
1093 $self->send ("ext " . to_json \%msg); 1192 $self->send ("ext " . cf::to_json \%msg);
1094} 1193}
1194
1195package cf;
1095 1196
1096=back 1197=back
1097 1198
1098 1199
1099=head3 cf::map 1200=head3 cf::map
… …
1295 1396
1296 return if $self->{deny_save}; 1397 return if $self->{deny_save};
1297 1398
1298 local $self->{last_access} = $self->last_access;#d# 1399 local $self->{last_access} = $self->last_access;#d#
1299 1400
1401 cf::async {
1402 $_->contr->save for $self->players;
1403 };
1404
1300 if ($uniq) { 1405 if ($uniq) {
1301 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1406 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302 $self->save_objects ($uniq, cf::IO_UNIQUES); 1407 $self->save_objects ($uniq, cf::IO_UNIQUES);
1303 } else { 1408 } else {
1304 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1409 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
… …
1401} 1506}
1402 1507
1403sub emergency_save { 1508sub emergency_save {
1404 my $freeze_guard = cf::freeze_mainloop; 1509 my $freeze_guard = cf::freeze_mainloop;
1405 1510
1406 warn "enter emergency map save\n"; 1511 warn "enter emergency perl save\n";
1407 1512
1408 cf::sync_job { 1513 cf::sync_job {
1514 warn "begin emergency player save\n";
1515 $_->save for values %cf::PLAYER;
1516 warn "end emergency player save\n";
1517
1409 warn "begin emergency map save\n"; 1518 warn "begin emergency map save\n";
1410 $_->save for values %cf::MAP; 1519 $_->save for values %cf::MAP;
1520 warn "end emergency map save\n";
1411 }; 1521 };
1412 1522
1413 warn "end emergency map save\n"; 1523 warn "leave emergency perl save\n";
1414} 1524}
1415 1525
1416package cf; 1526package cf;
1417 1527
1418=back 1528=back
… …
1517 ($x, $y) = ($map->enter_x, $map->enter_y) 1627 ($x, $y) = ($map->enter_x, $map->enter_y)
1518 if $x <=0 && $y <= 0; 1628 if $x <=0 && $y <= 0;
1519 1629
1520 $map->load; 1630 $map->load;
1521 1631
1632 return unless $self->contr->active;
1522 $self->activate_recursive; 1633 $self->activate_recursive;
1523 $self->enter_map ($map, $x, $y); 1634 $self->enter_map ($map, $x, $y);
1524} 1635}
1525 1636
1526cf::player->attach ( 1637cf::player->attach (
… …
1539 1650
1540 # try to abort aborted map switching on player login :) 1651 # try to abort aborted map switching on player login :)
1541 # should happen only on crashes 1652 # should happen only on crashes
1542 if ($pl->ob->{_link_pos}) { 1653 if ($pl->ob->{_link_pos}) {
1543 $pl->ob->enter_link; 1654 $pl->ob->enter_link;
1544 Coro::async_pool { 1655 (async {
1545 # we need this sleep as the login has a concurrent enter_exit running 1656 # we need this sleep as the login has a concurrent enter_exit running
1546 # and this sleep increases chances of the player not ending up in scorn 1657 # and this sleep increases chances of the player not ending up in scorn
1658 $pl->ob->reply (undef,
1659 "There was an internal problem at your last logout, "
1660 . "the server will try to bring you to your intended destination in a second.",
1661 cf::NDI_RED);
1547 Coro::Timer::sleep 1; 1662 Coro::Timer::sleep 1;
1548 $pl->ob->leave_link; 1663 $pl->ob->leave_link;
1549 }; 1664 })->prio (2);
1550 } 1665 }
1551 }, 1666 },
1552); 1667);
1553 1668
1554=item $player_object->goto ($path, $x, $y) 1669=item $player_object->goto ($path, $x, $y)
… …
1558sub cf::object::player::goto { 1673sub cf::object::player::goto {
1559 my ($self, $path, $x, $y) = @_; 1674 my ($self, $path, $x, $y) = @_;
1560 1675
1561 $self->enter_link; 1676 $self->enter_link;
1562 1677
1563 (Coro::async_pool { 1678 (async {
1564 $path = new cf::path $path; 1679 $path = new cf::path $path;
1565 1680
1566 my $map = cf::map::find $path->as_string; 1681 my $map = cf::map::find $path->as_string;
1567 $map = $map->customise_for ($self) if $map; 1682 $map = $map->customise_for ($self) if $map;
1568 1683
1569# warn "entering ", $map->path, " at ($x, $y)\n" 1684# warn "entering ", $map->path, " at ($x, $y)\n"
1570# if $map; 1685# if $map;
1571 1686
1687 $map or Carp::cluck ("oy");#d#
1572 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1688 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573 1689
1574 $self->leave_link ($map, $x, $y); 1690 $self->leave_link ($map, $x, $y);
1575 })->prio (1); 1691 })->prio (1);
1576} 1692}
1577 1693
… …
1630 1746
1631 return unless $self->type == cf::PLAYER; 1747 return unless $self->type == cf::PLAYER;
1632 1748
1633 $self->enter_link; 1749 $self->enter_link;
1634 1750
1635 (Coro::async_pool { 1751 (async {
1636 $self->deactivate_recursive; # just to be sure 1752 $self->deactivate_recursive; # just to be sure
1637 unless (eval { 1753 unless (eval {
1638 prepare_random_map $exit 1754 prepare_random_map $exit
1639 if $exit->slaying eq "/!"; 1755 if $exit->slaying eq "/!";
1640 1756
… …
1721 } 1837 }
1722 } 1838 }
1723 }, 1839 },
1724); 1840);
1725 1841
1726=item $client->coro (\&cb) 1842=item $client->async (\&cb)
1727 1843
1728Create a new coroutine, running the specified callback. The coroutine will 1844Create a new coroutine, running the specified callback. The coroutine will
1729be automatically cancelled when the client gets destroyed (e.g. on logout, 1845be automatically cancelled when the client gets destroyed (e.g. on logout,
1730or loss of connection). 1846or loss of connection).
1731 1847
1732=cut 1848=cut
1733 1849
1734sub cf::client::coro { 1850sub cf::client::async {
1735 my ($self, $cb) = @_; 1851 my ($self, $cb) = @_;
1736 1852
1737 my $coro = &Coro::async_pool ($cb); 1853 my $coro = &Coro::async ($cb);
1738 1854
1739 $coro->on_destroy (sub { 1855 $coro->on_destroy (sub {
1740 delete $self->{_coro}{$coro+0}; 1856 delete $self->{_coro}{$coro+0};
1741 }); 1857 });
1742 1858
… …
1980 local $/; 2096 local $/;
1981 *CFG = YAML::Syck::Load <$fh>; 2097 *CFG = YAML::Syck::Load <$fh>;
1982 2098
1983 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 2099 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984 2100
2101 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2102 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2103
1985 if (exists $CFG{mlockall}) { 2104 if (exists $CFG{mlockall}) {
1986 eval { 2105 eval {
1987 $CFG{mlockall} ? &mlockall : &munlockall 2106 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988 and die "WARNING: m(un)lockall failed: $!\n"; 2107 and die "WARNING: m(un)lockall failed: $!\n";
1989 }; 2108 };
1990 warn $@ if $@; 2109 warn $@ if $@;
1991 } 2110 }
1992} 2111}
1993 2112
1994sub main { 2113sub main {
1995 # we must not ever block the main coroutine 2114 # we must not ever block the main coroutine
1996 local $Coro::idle = sub { 2115 local $Coro::idle = sub {
1997 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2116 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998 (Coro::unblock_sub {
1999 Event::one_event; 2117 async { Event::one_event };
2000 })->();
2001 }; 2118 };
2002 2119
2003 cfg_load; 2120 cfg_load;
2004 db_load; 2121 db_load;
2005 load_extensions; 2122 load_extensions;
… …
2088 cf::load_extensions; 2205 cf::load_extensions;
2089 2206
2090 # reattach attachments to objects 2207 # reattach attachments to objects
2091 warn "reattach"; 2208 warn "reattach";
2092 _global_reattach; 2209 _global_reattach;
2210 reattach $_ for values %MAP;
2093 }; 2211 };
2094 2212
2095 if ($@) { 2213 if ($@) {
2096 warn $@; 2214 warn $@;
2097 warn "error while reloading, exiting."; 2215 warn "error while reloading, exiting.";
… …
2113 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; 2231 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114 $LINK_MAP->in_memory (MAP_IN_MEMORY); 2232 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2115 2233
2116 # dirty hack because... archetypes are not yet loaded 2234 # dirty hack because... archetypes are not yet loaded
2117 Event->timer ( 2235 Event->timer (
2118 after => 2, 2236 after => 10,
2119 cb => sub { 2237 cb => sub {
2120 $_[0]->w->cancel; 2238 $_[0]->w->cancel;
2121 2239
2122 # provide some exits "home" 2240 # provide some exits "home"
2123 my $exit = cf::object::new "exit"; 2241 my $exit = cf::object::new "exit";

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