ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC vs.
Revision 1.148 by root, Mon Jan 8 12:39:16 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';
… …
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
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 };
1096} 1177}
1097 1178
1098=item $player->ext_reply ($msgid, $msgtype, %msg) 1179=item $player->ext_reply ($msgid, $msgtype, %msg)
1099 1180
1100Sends an ext reply to the player. 1181Sends an ext reply to the player.
1101 1182
1102=cut 1183=cut
1103 1184
1104sub cf::player::ext_reply($$$%) { 1185sub ext_reply($$$%) {
1105 my ($self, $id, %msg) = @_; 1186 my ($self, $id, %msg) = @_;
1106 1187
1107 $msg{msgid} = $id; 1188 $msg{msgid} = $id;
1108 1189
1109 $self->send ("ext " . to_json \%msg); 1190 $self->send ("ext " . cf::to_json \%msg);
1110} 1191}
1192
1193package cf;
1111 1194
1112=back 1195=back
1113 1196
1114 1197
1115=head3 cf::map 1198=head3 cf::map
… …
1311 1394
1312 return if $self->{deny_save}; 1395 return if $self->{deny_save};
1313 1396
1314 local $self->{last_access} = $self->last_access;#d# 1397 local $self->{last_access} = $self->last_access;#d#
1315 1398
1399 cf::async {
1400 $_->contr->save for $self->players;
1401 };
1402
1316 if ($uniq) { 1403 if ($uniq) {
1317 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1404 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318 $self->save_objects ($uniq, cf::IO_UNIQUES); 1405 $self->save_objects ($uniq, cf::IO_UNIQUES);
1319 } else { 1406 } else {
1320 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1407 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
… …
1417} 1504}
1418 1505
1419sub emergency_save { 1506sub emergency_save {
1420 my $freeze_guard = cf::freeze_mainloop; 1507 my $freeze_guard = cf::freeze_mainloop;
1421 1508
1422 warn "enter emergency map save\n"; 1509 warn "enter emergency perl save\n";
1423 1510
1424 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
1425 warn "begin emergency map save\n"; 1516 warn "begin emergency map save\n";
1426 $_->save for values %cf::MAP; 1517 $_->save for values %cf::MAP;
1518 warn "end emergency map save\n";
1427 }; 1519 };
1428 1520
1429 warn "end emergency map save\n"; 1521 warn "leave emergency perl save\n";
1430} 1522}
1431 1523
1432package cf; 1524package cf;
1433 1525
1434=back 1526=back
… …
1533 ($x, $y) = ($map->enter_x, $map->enter_y) 1625 ($x, $y) = ($map->enter_x, $map->enter_y)
1534 if $x <=0 && $y <= 0; 1626 if $x <=0 && $y <= 0;
1535 1627
1536 $map->load; 1628 $map->load;
1537 1629
1630 return unless $self->contr->active;
1538 $self->activate_recursive; 1631 $self->activate_recursive;
1539 $self->enter_map ($map, $x, $y); 1632 $self->enter_map ($map, $x, $y);
1540} 1633}
1541 1634
1542cf::player->attach ( 1635cf::player->attach (
… …
1555 1648
1556 # try to abort aborted map switching on player login :) 1649 # try to abort aborted map switching on player login :)
1557 # should happen only on crashes 1650 # should happen only on crashes
1558 if ($pl->ob->{_link_pos}) { 1651 if ($pl->ob->{_link_pos}) {
1559 $pl->ob->enter_link; 1652 $pl->ob->enter_link;
1560 cf::async { 1653 (async {
1561 # 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
1562 # 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);
1563 Coro::Timer::sleep 1; 1660 Coro::Timer::sleep 1;
1564 $pl->ob->leave_link; 1661 $pl->ob->leave_link;
1565 }; 1662 })->prio (2);
1566 } 1663 }
1567 }, 1664 },
1568); 1665);
1569 1666
1570=item $player_object->goto ($path, $x, $y) 1667=item $player_object->goto ($path, $x, $y)
… …
1574sub cf::object::player::goto { 1671sub cf::object::player::goto {
1575 my ($self, $path, $x, $y) = @_; 1672 my ($self, $path, $x, $y) = @_;
1576 1673
1577 $self->enter_link; 1674 $self->enter_link;
1578 1675
1579 (cf::async { 1676 (async {
1580 $path = new cf::path $path; 1677 $path = new cf::path $path;
1581 1678
1582 my $map = cf::map::find $path->as_string; 1679 my $map = cf::map::find $path->as_string;
1583 $map = $map->customise_for ($self) if $map; 1680 $map = $map->customise_for ($self) if $map;
1584 1681
… …
1646 1743
1647 return unless $self->type == cf::PLAYER; 1744 return unless $self->type == cf::PLAYER;
1648 1745
1649 $self->enter_link; 1746 $self->enter_link;
1650 1747
1651 (cf::async { 1748 (async {
1652 $self->deactivate_recursive; # just to be sure 1749 $self->deactivate_recursive; # just to be sure
1653 unless (eval { 1750 unless (eval {
1654 prepare_random_map $exit 1751 prepare_random_map $exit
1655 if $exit->slaying eq "/!"; 1752 if $exit->slaying eq "/!";
1656 1753
… …
1737 } 1834 }
1738 } 1835 }
1739 }, 1836 },
1740); 1837);
1741 1838
1742=item $client->coro (\&cb) 1839=item $client->async (\&cb)
1743 1840
1744Create a new coroutine, running the specified callback. The coroutine will 1841Create a new coroutine, running the specified callback. The coroutine will
1745be automatically cancelled when the client gets destroyed (e.g. on logout, 1842be automatically cancelled when the client gets destroyed (e.g. on logout,
1746or loss of connection). 1843or loss of connection).
1747 1844
1748=cut 1845=cut
1749 1846
1750sub cf::client::coro { 1847sub cf::client::async {
1751 my ($self, $cb) = @_; 1848 my ($self, $cb) = @_;
1752 1849
1753 my $coro = &cf::async ($cb); 1850 my $coro = &Coro::async ($cb);
1754 1851
1755 $coro->on_destroy (sub { 1852 $coro->on_destroy (sub {
1756 delete $self->{_coro}{$coro+0}; 1853 delete $self->{_coro}{$coro+0};
1757 }); 1854 });
1758 1855
… …
1996 local $/; 2093 local $/;
1997 *CFG = YAML::Syck::Load <$fh>; 2094 *CFG = YAML::Syck::Load <$fh>;
1998 2095
1999 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 2096 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000 2097
2098 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2099 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2100
2001 if (exists $CFG{mlockall}) { 2101 if (exists $CFG{mlockall}) {
2002 eval { 2102 eval {
2003 $CFG{mlockall} ? &mlockall : &munlockall 2103 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004 and die "WARNING: m(un)lockall failed: $!\n"; 2104 and die "WARNING: m(un)lockall failed: $!\n";
2005 }; 2105 };
2006 warn $@ if $@; 2106 warn $@ if $@;
2007 } 2107 }
2008} 2108}
2009 2109
2010sub main { 2110sub main {
2011 # we must not ever block the main coroutine 2111 # we must not ever block the main coroutine
2012 local $Coro::idle = sub { 2112 local $Coro::idle = sub {
2013 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2113 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014 (Coro::unblock_sub {
2015 Event::one_event; 2114 async { Event::one_event };
2016 })->();
2017 }; 2115 };
2018 2116
2019 cfg_load; 2117 cfg_load;
2020 db_load; 2118 db_load;
2021 load_extensions; 2119 load_extensions;
… …
2104 cf::load_extensions; 2202 cf::load_extensions;
2105 2203
2106 # reattach attachments to objects 2204 # reattach attachments to objects
2107 warn "reattach"; 2205 warn "reattach";
2108 _global_reattach; 2206 _global_reattach;
2207 reattach $_ for values %MAP;
2109 }; 2208 };
2110 2209
2111 if ($@) { 2210 if ($@) {
2112 warn $@; 2211 warn $@;
2113 warn "error while reloading, exiting."; 2212 warn "error while reloading, exiting.";
… …
2129 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; 2228 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130 $LINK_MAP->in_memory (MAP_IN_MEMORY); 2229 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2131 2230
2132 # dirty hack because... archetypes are not yet loaded 2231 # dirty hack because... archetypes are not yet loaded
2133 Event->timer ( 2232 Event->timer (
2134 after => 2, 2233 after => 10,
2135 cb => sub { 2234 cb => sub {
2136 $_[0]->w->cancel; 2235 $_[0]->w->cancel;
2137 2236
2138 # provide some exits "home" 2237 # provide some exits "home"
2139 my $exit = cf::object::new "exit"; 2238 my $exit = cf::object::new "exit";

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines