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 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.222 by root, Tue Mar 6 03:06:00 2007 UTC

… …
8use Storable; 8use Storable;
9use Opcode; 9use Opcode;
10use Safe; 10use Safe;
11use Safe::Hole; 11use Safe::Hole;
12 12
13use Coro 3.3 (); 13use Coro 3.5 ();
14use Coro::Event; 14use Coro::Event;
15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
19 19
20use BDB ();
20use Data::Dumper; 21use Data::Dumper;
21use Digest::MD5; 22use Digest::MD5;
22use Fcntl; 23use Fcntl;
23use IO::AIO 2.32 (); 24use IO::AIO 2.32 ();
24use YAML::Syck (); 25use YAML::Syck ();
25use Time::HiRes; 26use Time::HiRes;
27use Compress::LZF;
28
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26 30
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 31use Event; $Event::Eval = 1; # no idea why this is required, but it is
28 32
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 34
… …
45our $LIBDIR = datadir . "/ext"; 49our $LIBDIR = datadir . "/ext";
46 50
47our $TICK = MAX_TIME * 1e-6; 51our $TICK = MAX_TIME * 1e-6;
48our $TICK_WATCHER; 52our $TICK_WATCHER;
49our $AIO_POLL_WATCHER; 53our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 55our $NEXT_TICK;
52our $NOW; 56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off
58
59our $BDB_POLL_WATCHER;
60our $DB_ENV;
53 61
54our %CFG; 62our %CFG;
55 63
56our $UPTIME; $UPTIME ||= time; 64our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 65our $RUNTIME;
58 66
59our %PLAYER; # all users 67our %PLAYER; # all users
60our %MAP; # all maps 68our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 69our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random"; 70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
63 72
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 75
67# used to convert map paths into valid unix filenames by replacing / by ∕ 76# used to convert map paths into valid unix filenames by replacing / by ∕
… …
80mkdir cf::localdir; 89mkdir cf::localdir;
81mkdir cf::localdir . "/" . cf::playerdir; 90mkdir cf::localdir . "/" . cf::playerdir;
82mkdir cf::localdir . "/" . cf::tmpdir; 91mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir; 92mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS; 93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
85 95
86our $EMERGENCY_POSITION; 96our $EMERGENCY_POSITION;
97
98sub cf::map::normalise;
87 99
88############################################################################# 100#############################################################################
89 101
90=head2 GLOBAL VARIABLES 102=head2 GLOBAL VARIABLES
91 103
… …
261sub freeze_mainloop { 273sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 274 return unless $TICK_WATCHER->is_active;
263 275
264 my $guard = Coro::guard { 276 my $guard = Coro::guard {
265 $TICK_WATCHER->start; 277 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 }; 278 };
268 $WRITE_RUNTIME_WATCHER->stop;
269 $TICK_WATCHER->stop; 279 $TICK_WATCHER->stop;
270 $guard 280 $guard
271} 281}
272 282
273=item cf::async { BLOCK } 283=item cf::async { BLOCK }
… …
344 354
345 $coro 355 $coro
346} 356}
347 357
348sub write_runtime { 358sub write_runtime {
359 my $guard = cf::lock_acquire "write_runtime";
360
349 my $runtime = cf::localdir . "/runtime"; 361 my $runtime = cf::localdir . "/runtime";
350 362
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352 or return; 364 or return;
353 365
366 my $value = $cf::RUNTIME + 90 + 10;
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 367 # 10 is the runtime save interval, for a monotonic clock
368 # 60 allows for the watchdog to kill the server.
369
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0 370 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return; 371 and return;
357 372
373 # always fsync - this file is important
358 aio_fsync $fh 374 aio_fsync $fh
359 and return; 375 and return;
360 376
361 close $fh 377 close $fh
362 or return; 378 or return;
… …
503our @CB_TYPE = (); # registry for type (cf-object class) based events 519our @CB_TYPE = (); # registry for type (cf-object class) based events
504our @CB_MAP = (); 520our @CB_MAP = ();
505 521
506my %attachment; 522my %attachment;
507 523
524sub cf::attachable::thawer_merge {
525 # simply override everything except _meta
526 local $_[0]{_meta};
527 %{$_[0]} = %{$_[1]};
528}
529
508sub _attach_cb($$$$) { 530sub _attach_cb($$$$) {
509 my ($registry, $event, $prio, $cb) = @_; 531 my ($registry, $event, $prio, $cb) = @_;
510 532
511 use sort 'stable'; 533 use sort 'stable';
512 534
… …
683# object support 705# object support
684 706
685sub reattach { 707sub reattach {
686 # basically do the same as instantiate, without calling instantiate 708 # basically do the same as instantiate, without calling instantiate
687 my ($obj) = @_; 709 my ($obj) = @_;
710
711 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688 712
689 my $registry = $obj->registry; 713 my $registry = $obj->registry;
690 714
691 @$registry = (); 715 @$registry = ();
692 716
… …
739 $filename, length $$rdata, scalar @$objs; 763 $filename, length $$rdata, scalar @$objs;
740 764
741 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742 chmod SAVE_MODE, $fh; 766 chmod SAVE_MODE, $fh;
743 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 767 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744 aio_fsync $fh; 768 aio_fsync $fh if $cf::USE_FSYNC;
745 close $fh; 769 close $fh;
746 770
747 if (@$objs) { 771 if (@$objs) {
748 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 772 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749 chmod SAVE_MODE, $fh; 773 chmod SAVE_MODE, $fh;
750 my $data = Storable::nfreeze { version => 1, objs => $objs }; 774 my $data = Storable::nfreeze { version => 1, objs => $objs };
751 aio_write $fh, 0, (length $data), $data, 0; 775 aio_write $fh, 0, (length $data), $data, 0;
752 aio_fsync $fh; 776 aio_fsync $fh if $cf::USE_FSYNC;
753 close $fh; 777 close $fh;
754 aio_rename "$filename.pst~", "$filename.pst"; 778 aio_rename "$filename.pst~", "$filename.pst";
755 } 779 }
756 } else { 780 } else {
757 aio_unlink "$filename.pst"; 781 aio_unlink "$filename.pst";
… …
949 973
950sub exists($) { 974sub exists($) {
951 my ($login) = @_; 975 my ($login) = @_;
952 976
953 $cf::PLAYER{$login} 977 $cf::PLAYER{$login}
954 or cf::sync_job { !aio_stat $login } 978 or cf::sync_job { !aio_stat path $login }
955} 979}
956 980
957sub find($) { 981sub find($) {
958 return $cf::PLAYER{$_[0]} || do { 982 return $cf::PLAYER{$_[0]} || do {
959 my $login = $_[0]; 983 my $login = $_[0];
… …
1005 1029
1006=cut 1030=cut
1007 1031
1008sub quit_character { 1032sub quit_character {
1009 my ($pl) = @_; 1033 my ($pl) = @_;
1034
1035 my $name = $pl->ob->name;
1010 1036
1011 $pl->{deny_save} = 1; 1037 $pl->{deny_save} = 1;
1012 $pl->password ("*"); # this should lock out the player until we nuked the dir 1038 $pl->password ("*"); # this should lock out the player until we nuked the dir
1013 1039
1014 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1040 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1019 my $path = playerdir $pl; 1045 my $path = playerdir $pl;
1020 my $temp = "$path~$cf::RUNTIME~deleting~"; 1046 my $temp = "$path~$cf::RUNTIME~deleting~";
1021 aio_rename $path, $temp; 1047 aio_rename $path, $temp;
1022 delete $cf::PLAYER{$pl->ob->name}; 1048 delete $cf::PLAYER{$pl->ob->name};
1023 $pl->destroy; 1049 $pl->destroy;
1050
1051 my $prefix = qr<^~\Q$name\E/>;
1052
1053 # nuke player maps
1054 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055
1024 IO::AIO::aio_rmtree $temp; 1056 IO::AIO::aio_rmtree $temp;
1057}
1058
1059=item $pl->kick
1060
1061Kicks a player out of the game. This destroys the connection.
1062
1063=cut
1064
1065sub kick {
1066 my ($pl, $kicker) = @_;
1067
1068 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1069 $pl->killer ("kicked");
1070 $pl->ns->destroy;
1025} 1071}
1026 1072
1027=item cf::player::list_logins 1073=item cf::player::list_logins
1028 1074
1029Returns am arrayref of all valid playernames in the system, can take a 1075Returns am arrayref of all valid playernames in the system, can take a
… …
1057=cut 1103=cut
1058 1104
1059sub maps($) { 1105sub maps($) {
1060 my ($pl) = @_; 1106 my ($pl) = @_;
1061 1107
1108 $pl = ref $pl ? $pl->ob->name : $pl;
1109
1062 my $files = aio_readdir playerdir $pl 1110 my $files = aio_readdir playerdir $pl
1063 or return; 1111 or return;
1064 1112
1065 my @paths; 1113 my @paths;
1066 1114
1067 for (@$files) { 1115 for (@$files) {
1068 utf8::decode $_; 1116 utf8::decode $_;
1069 next if /\.(?:pl|pst)$/; 1117 next if /\.(?:pl|pst)$/;
1070 next unless /^$PATH_SEP/o; 1118 next unless /^$PATH_SEP/o;
1071 1119
1072 s/\.map$//; 1120 push @paths, cf::map::normalise "~$pl/$_";
1073 push @paths, "~" . $pl->ob->name . "/" . $_;
1074 } 1121 }
1075 1122
1076 \@paths 1123 \@paths
1077} 1124}
1078 1125
… …
1105 1152
1106use Fcntl; 1153use Fcntl;
1107use Coro::AIO; 1154use Coro::AIO;
1108 1155
1109use overload 1156use overload
1110 '""' => \&as_string; 1157 '""' => \&as_string,
1158 fallback => 1;
1111 1159
1112our $MAX_RESET = 3600; 1160our $MAX_RESET = 3600;
1113our $DEFAULT_RESET = 3000; 1161our $DEFAULT_RESET = 3000;
1114 1162
1115sub generate_random_map { 1163sub generate_random_map {
1116 my ($self, $rmp) = @_; 1164 my ($self, $rmp) = @_;
1117
1118 # mit "rum" bekleckern, nicht 1165 # mit "rum" bekleckern, nicht
1119 $self->_create_random_map ( 1166 $self->_create_random_map (
1120 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1167 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1168 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1169 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1129 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1176 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130 (cf::region::find $rmp->{region}), $rmp->{custom} 1177 (cf::region::find $rmp->{region}), $rmp->{custom}
1131 ) 1178 )
1132} 1179}
1133 1180
1181=item cf::map->register ($regex, $prio)
1182
1183Register a handler for the map path matching the given regex at the
1184givne priority (higher is better, built-in handlers have priority 0, the
1185default).
1186
1187=cut
1188
1134sub register { 1189sub register {
1135 my (undef, $regex) = @_; 1190 my (undef, $regex, $prio) = @_;
1136 my $pkg = caller; 1191 my $pkg = caller;
1137 1192
1138 no strict; 1193 no strict;
1139 push @{"$pkg\::ISA"}, __PACKAGE__; 1194 push @{"$pkg\::ISA"}, __PACKAGE__;
1140 1195
1141 $EXT_MAP{$pkg} = qr<$regex>; 1196 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142} 1197}
1143 1198
1144# also paths starting with '/' 1199# also paths starting with '/'
1145$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1200$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1201
1202sub thawer_merge {
1203 my ($self, $merge) = @_;
1204
1205 # we have to keep some variables in memory intact
1206 local $self->{path};
1207 local $self->{load_path};
1208 local $self->{deny_save};
1209 local $self->{deny_reset};
1210
1211 $self->SUPER::thawer_merge ($merge);
1212}
1146 1213
1147sub normalise { 1214sub normalise {
1148 my ($path, $base) = @_; 1215 my ($path, $base) = @_;
1216
1217 $path = "$path"; # make sure its a string
1218
1219 $path =~ s/\.map$//;
1149 1220
1150 # map plan: 1221 # map plan:
1151 # 1222 #
1152 # /! non-realised random map exit (special hack!) 1223 # /! non-realised random map exit (special hack!)
1153 # {... are special paths that are not being touched 1224 # {... are special paths that are not being touched
… …
1181 1252
1182 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1253 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183 1254
1184 $path = normalise $path, $base; 1255 $path = normalise $path, $base;
1185 1256
1186 for my $pkg (keys %EXT_MAP) { 1257 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187 if ($path =~ $EXT_MAP{$pkg}) { 1258 if ($path =~ $EXT_MAP{$pkg}[1]) {
1188 my $self = bless cf::map::new, $pkg; 1259 my $self = bless cf::map::new, $pkg;
1189 $self->{path} = $path; $self->path ($path); 1260 $self->{path} = $path; $self->path ($path);
1190 $self->init; # pass $1 etc. 1261 $self->init; # pass $1 etc.
1191 return $self; 1262 return $self;
1192 } 1263 }
1193 } 1264 }
1194 1265
1195 Carp::carp "unable to resolve path '$path'."; 1266 Carp::carp "unable to resolve path '$path' (base '$base').";
1196 () 1267 ()
1197} 1268}
1198 1269
1199sub init { 1270sub init {
1200 my ($self) = @_; 1271 my ($self) = @_;
… …
1215 1286
1216# the original (read-only) location 1287# the original (read-only) location
1217sub load_path { 1288sub load_path {
1218 my ($self) = @_; 1289 my ($self) = @_;
1219 1290
1220 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1291 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1221} 1292}
1222 1293
1223# the temporary/swap location 1294# the temporary/swap location
1224sub save_path { 1295sub save_path {
1225 my ($self) = @_; 1296 my ($self) = @_;
1226 1297
1227 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1298 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1299 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1229} 1300}
1230 1301
1231# the unique path, undef == no special unique path 1302# the unique path, undef == no special unique path
1232sub uniq_path { 1303sub uniq_path {
1233 my ($self) = @_; 1304 my ($self) = @_;
… …
1247 1318
1248sub unlink_save { 1319sub unlink_save {
1249 my ($self) = @_; 1320 my ($self) = @_;
1250 1321
1251 utf8::encode (my $save = $self->save_path); 1322 utf8::encode (my $save = $self->save_path);
1252 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1323 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1324 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254} 1325}
1255 1326
1256sub load_header_from($) { 1327sub load_header_from($) {
1257 my ($self, $path) = @_; 1328 my ($self, $path) = @_;
1258 1329
1259 utf8::encode $path; 1330 utf8::encode $path;
1260 aio_open $path, O_RDONLY, 0 1331 #aio_open $path, O_RDONLY, 0
1261 or return; 1332 # or return;
1262 1333
1263 $self->_load_header ($path) 1334 $self->_load_header ($path)
1264 or return; 1335 or return;
1265 1336
1266 $self->{load_path} = $path; 1337 $self->{load_path} = $path;
1267 1338
1268 1 1339 1
1269} 1340}
1270 1341
1271sub load_orig { 1342sub load_header_orig {
1272 my ($self) = @_; 1343 my ($self) = @_;
1273 1344
1274 $self->load_header_from ($self->load_path) 1345 $self->load_header_from ($self->load_path)
1275} 1346}
1276 1347
1277sub load_temp { 1348sub load_header_temp {
1278 my ($self) = @_; 1349 my ($self) = @_;
1279 1350
1280 $self->load_header_from ($self->save_path) 1351 $self->load_header_from ($self->save_path)
1352}
1353
1354sub prepare_temp {
1355 my ($self) = @_;
1356
1357 $self->last_access ((delete $self->{last_access})
1358 || $cf::RUNTIME); #d#
1359 # safety
1360 $self->{instantiate_time} = $cf::RUNTIME
1361 if $self->{instantiate_time} > $cf::RUNTIME;
1362}
1363
1364sub prepare_orig {
1365 my ($self) = @_;
1366
1367 $self->{load_original} = 1;
1368 $self->{instantiate_time} = $cf::RUNTIME;
1369 $self->last_access ($cf::RUNTIME);
1370 $self->instantiate;
1281} 1371}
1282 1372
1283sub load_header { 1373sub load_header {
1284 my ($self) = @_; 1374 my ($self) = @_;
1285 1375
1286 if ($self->load_temp) { 1376 if ($self->load_header_temp) {
1287 $self->last_access ((delete $self->{last_access}) 1377 $self->prepare_temp;
1288 || $cf::RUNTIME); #d#
1289 # safety
1290 $self->{instantiate_time} = $cf::RUNTIME
1291 if $self->{instantiate_time} > $cf::RUNTIME;
1292 } else { 1378 } else {
1293 $self->load_orig 1379 $self->load_header_orig
1294 or return; 1380 or return;
1295 1381 $self->prepare_orig;
1296 $self->{load_original} = 1;
1297 $self->{instantiate_time} = $cf::RUNTIME;
1298 $self->last_access ($cf::RUNTIME);
1299 $self->instantiate;
1300 } 1382 }
1301 1383
1302 1 1384 1
1303} 1385}
1304 1386
… …
1318 $map->{last_save} = $cf::RUNTIME; 1400 $map->{last_save} = $cf::RUNTIME;
1319 1401
1320 $map->load_header 1402 $map->load_header
1321 or return; 1403 or return;
1322 1404
1323 if ($map->should_reset) { 1405 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1406 # doing this can freeze the server in a sync job, obviously
1407 #$cf::WAIT_FOR_TICK->wait;
1324 $map->reset; 1408 $map->reset;
1325 undef $guard; 1409 undef $guard;
1326 $map = find $path 1410 return find $path;
1327 or return;
1328 } 1411 }
1329 1412
1330 $cf::MAP{$path} = $map 1413 $cf::MAP{$path} = $map
1331 } 1414 }
1332} 1415}
1416
1417sub pre_load { }
1418sub post_load { }
1333 1419
1334sub load { 1420sub load {
1335 my ($self) = @_; 1421 my ($self) = @_;
1336 1422
1423 local $self->{deny_reset} = 1; # loading can take a long time
1424
1337 my $path = $self->{path}; 1425 my $path = $self->{path};
1338 my $guard = cf::lock_acquire "map_load:$path"; 1426 my $guard = cf::lock_acquire "map_load:$path";
1339 1427
1340 return if $self->in_memory != cf::MAP_SWAPPED; 1428 return if $self->in_memory != cf::MAP_SWAPPED;
1341 1429
1342 $self->in_memory (cf::MAP_LOADING); 1430 $self->in_memory (cf::MAP_LOADING);
1343 1431
1344 $self->alloc; 1432 $self->alloc;
1433
1434 $self->pre_load;
1435
1345 $self->_load_objects ($self->{load_path}, 1) 1436 $self->_load_objects ($self->{load_path}, 1)
1346 or return; 1437 or return;
1347 1438
1348 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1439 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1349 if delete $self->{load_original}; 1440 if delete $self->{load_original};
… …
1371 unless $self->difficulty; 1462 unless $self->difficulty;
1372 Coro::cede; 1463 Coro::cede;
1373 $self->activate; 1464 $self->activate;
1374 } 1465 }
1375 1466
1467 $self->post_load;
1468
1376 $self->in_memory (cf::MAP_IN_MEMORY); 1469 $self->in_memory (cf::MAP_IN_MEMORY);
1377} 1470}
1378 1471
1379sub customise_for { 1472sub customise_for {
1380 my ($self, $ob) = @_; 1473 my ($self, $ob) = @_;
… …
1420 1513
1421 cf::sync_job { $map->load }; 1514 cf::sync_job { $map->load };
1422} 1515}
1423 1516
1424our %MAP_PREFETCH; 1517our %MAP_PREFETCH;
1425our $MAP_PREFETCHER = Coro::async { 1518our $MAP_PREFETCHER = undef;
1426 while () {
1427 for my $path (keys %MAP_PREFETCH) {
1428 my $map = find $path
1429 or next;
1430 $map->load;
1431
1432 delete $MAP_PREFETCH{$path};
1433 }
1434 Coro::schedule;
1435 }
1436};
1437 1519
1438sub find_async { 1520sub find_async {
1439 my ($path, $origin) = @_; 1521 my ($path, $origin) = @_;
1440 1522
1441 $path = normalise $path, $origin && $origin->{path}; 1523 $path = normalise $path, $origin && $origin->{path};
1442 1524
1443 if (my $map = $cf::MAP{$path}) { 1525 if (my $map = $cf::MAP{$path}) {
1444 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1526 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1445 } 1527 }
1446 1528
1447 $MAP_PREFETCH{$path} = 0; 1529 undef $MAP_PREFETCH{$path};
1530 $MAP_PREFETCHER ||= cf::async {
1531 while (%MAP_PREFETCH) {
1532 for my $path (keys %MAP_PREFETCH) {
1533 my $map = find $path
1534 or next;
1535 $map->load;
1536
1537 delete $MAP_PREFETCH{$path};
1538 }
1539 }
1540 undef $MAP_PREFETCHER;
1541 };
1448 $MAP_PREFETCHER->ready; 1542 $MAP_PREFETCHER->prio (6);
1449 1543
1450 () 1544 ()
1451} 1545}
1452 1546
1453sub save { 1547sub save {
… …
1498 1592
1499sub reset_at { 1593sub reset_at {
1500 my ($self) = @_; 1594 my ($self) = @_;
1501 1595
1502 # TODO: safety, remove and allow resettable per-player maps 1596 # TODO: safety, remove and allow resettable per-player maps
1503 return 1e99 if $self->isa ("ext::map_per_player"); 1597 return 1e99 if $self->isa ("ext::map_per_player");#d#
1504 return 1e99 if $self->{deny_reset}; 1598 return 1e99 if $self->{deny_reset};
1505 1599
1506 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1600 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1601 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508 1602
… …
1513 my ($self) = @_; 1607 my ($self) = @_;
1514 1608
1515 $self->reset_at <= $cf::RUNTIME 1609 $self->reset_at <= $cf::RUNTIME
1516} 1610}
1517 1611
1518sub rename {
1519 my ($self, $new_path) = @_;
1520
1521 normalise $new_path;
1522
1523 $self->unlink_save;
1524
1525 delete $cf::MAP{$self->path};
1526 $self->{path} = $new_path; $self->path ($self->{path});
1527 $cf::MAP{$self->path} = $self;
1528
1529 $self->save;
1530}
1531
1532sub reset { 1612sub reset {
1533 my ($self) = @_; 1613 my ($self) = @_;
1534 1614
1535 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1615 my $lock = cf::lock_acquire "map_data:$self->{path}";
1536 1616
1537 return if $self->players; 1617 return if $self->players;
1538 return if $self->isa ("ext::map_per_player");#d# 1618 return if $self->isa ("ext::map_per_player");#d#
1539 1619
1540 warn "resetting map ", $self->path;#d# 1620 warn "resetting map ", $self->path;#d#
1541 1621
1622 $self->in_memory (cf::MAP_SWAPPED);
1623
1624 # need to save uniques path
1625 unless ($self->{deny_save}) {
1626 my $uniq = $self->uniq_path; utf8::encode $uniq;
1627
1628 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1629 if $uniq;
1630 }
1631
1542 delete $cf::MAP{$self->path}; 1632 delete $cf::MAP{$self->path};
1543 1633
1544 $self->in_memory (cf::MAP_SWAPPED);
1545 $self->clear; 1634 $self->clear;
1546 1635
1547 $_->clear_links_to ($self) for values %cf::MAP; 1636 $_->clear_links_to ($self) for values %cf::MAP;
1548 1637
1549 $self->unlink_save; 1638 $self->unlink_save;
… …
1553my $nuke_counter = "aaaa"; 1642my $nuke_counter = "aaaa";
1554 1643
1555sub nuke { 1644sub nuke {
1556 my ($self) = @_; 1645 my ($self) = @_;
1557 1646
1647 delete $cf::MAP{$self->path};
1648
1649 $self->unlink_save;
1650
1651 bless $self, "cf::map";
1652 delete $self->{deny_reset};
1558 $self->{deny_save} = 1; 1653 $self->{deny_save} = 1;
1559 $self->reset_timeout (1); 1654 $self->reset_timeout (1);
1560 $self->rename ("{nuke}/" . ($nuke_counter++)); 1655 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656
1657 $cf::MAP{$self->path} = $self;
1658
1561 $self->reset; # polite request, might not happen 1659 $self->reset; # polite request, might not happen
1562} 1660}
1563 1661
1564=item cf::map::unique_maps 1662=item cf::map::unique_maps
1565 1663
… …
1577 for (@$files) { 1675 for (@$files) {
1578 utf8::decode $_; 1676 utf8::decode $_;
1579 next if /\.pst$/; 1677 next if /\.pst$/;
1580 next unless /^$PATH_SEP/o; 1678 next unless /^$PATH_SEP/o;
1581 1679
1582 s/\.map$//; 1680 push @paths, cf::map::normalise $_;
1583 push @paths, $_;
1584 } 1681 }
1585 1682
1586 \@paths 1683 \@paths
1587} 1684}
1588 1685
… …
1682=cut 1779=cut
1683 1780
1684sub link_map { 1781sub link_map {
1685 unless ($LINK_MAP) { 1782 unless ($LINK_MAP) {
1686 $LINK_MAP = cf::map::find "{link}" 1783 $LINK_MAP = cf::map::find "{link}"
1687 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 1784 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688 $LINK_MAP->load; 1785 $LINK_MAP->load;
1689 } 1786 }
1690 1787
1691 $LINK_MAP 1788 $LINK_MAP
1692} 1789}
… …
1699 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1796 return if UNIVERSAL::isa $self->map, "ext::map_link";
1700 1797
1701 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1798 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702 if $self->map; 1799 if $self->map;
1703 1800
1704 $self->enter_map ($LINK_MAP || link_map, 20, 20); 1801 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1705} 1802}
1706 1803
1707sub cf::object::player::leave_link { 1804sub cf::object::player::leave_link {
1708 my ($self, $map, $x, $y) = @_; 1805 my ($self, $map, $x, $y) = @_;
1709 1806
… …
1731 $map->load; 1828 $map->load;
1732 $map->load_diag; 1829 $map->load_diag;
1733 1830
1734 return unless $self->contr->active; 1831 return unless $self->contr->active;
1735 $self->activate_recursive; 1832 $self->activate_recursive;
1833
1834 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736 $self->enter_map ($map, $x, $y); 1835 $self->enter_map ($map, $x, $y);
1737} 1836}
1738 1837
1739cf::player->attach ( 1838cf::player->attach (
1740 on_logout => sub { 1839 on_logout => sub {
… …
1753 # try to abort aborted map switching on player login :) 1852 # try to abort aborted map switching on player login :)
1754 # should happen only on crashes 1853 # should happen only on crashes
1755 if ($pl->ob->{_link_pos}) { 1854 if ($pl->ob->{_link_pos}) {
1756 $pl->ob->enter_link; 1855 $pl->ob->enter_link;
1757 (async { 1856 (async {
1758 # we need this sleep as the login has a concurrent enter_exit running
1759 # and this sleep increases chances of the player not ending up in scorn
1760 $pl->ob->reply (undef, 1857 $pl->ob->reply (undef,
1761 "There was an internal problem at your last logout, " 1858 "There was an internal problem at your last logout, "
1762 . "the server will try to bring you to your intended destination in a second.", 1859 . "the server will try to bring you to your intended destination in a second.",
1763 cf::NDI_RED); 1860 cf::NDI_RED);
1861 # we need this sleep as the login has a concurrent enter_exit running
1862 # and this sleep increases chances of the player not ending up in scorn
1764 Coro::Timer::sleep 1; 1863 Coro::Timer::sleep 1;
1765 $pl->ob->leave_link; 1864 $pl->ob->leave_link;
1766 })->prio (2); 1865 })->prio (2);
1767 } 1866 }
1768 }, 1867 },
… …
1776 my ($self, $path, $x, $y) = @_; 1875 my ($self, $path, $x, $y) = @_;
1777 1876
1778 $self->enter_link; 1877 $self->enter_link;
1779 1878
1780 (async { 1879 (async {
1880 my $map = eval {
1781 my $map = cf::map::find $path; 1881 my $map = cf::map::find $path;
1782 $map = $map->customise_for ($self) if $map; 1882 $map = $map->customise_for ($self) if $map;
1783 1883 $map
1784# warn "entering ", $map->path, " at ($x, $y)\n" 1884 } or
1785# if $map;
1786
1787 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1885 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1788 1886
1789 $self->leave_link ($map, $x, $y); 1887 $self->leave_link ($map, $x, $y);
1790 })->prio (1); 1888 })->prio (1);
1791} 1889}
1792 1890
… …
1796 1894
1797sub parse_random_map_params { 1895sub parse_random_map_params {
1798 my ($spec) = @_; 1896 my ($spec) = @_;
1799 1897
1800 my $rmp = { # defaults 1898 my $rmp = { # defaults
1801 xsize => 10, 1899 xsize => (cf::rndm 15, 40),
1802 ysize => 10, 1900 ysize => (cf::rndm 15, 40),
1901 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1902 #layout => string,
1803 }; 1903 };
1804 1904
1805 for (split /\n/, $spec) { 1905 for (split /\n/, $spec) {
1806 my ($k, $v) = split /\s+/, $_, 2; 1906 my ($k, $v) = split /\s+/, $_, 2;
1807 1907
… …
1811 $rmp 1911 $rmp
1812} 1912}
1813 1913
1814sub prepare_random_map { 1914sub prepare_random_map {
1815 my ($exit) = @_; 1915 my ($exit) = @_;
1916
1917 my $guard = cf::lock_acquire "exit_prepare:$exit";
1816 1918
1817 # all this does is basically replace the /! path by 1919 # all this does is basically replace the /! path by
1818 # a new random map path (?random/...) with a seed 1920 # a new random map path (?random/...) with a seed
1819 # that depends on the exit object 1921 # that depends on the exit object
1820 1922
1821 my $rmp = parse_random_map_params $exit->msg; 1923 my $rmp = parse_random_map_params $exit->msg;
1822 1924
1823 if ($exit->map) { 1925 if ($exit->map) {
1824 $rmp->{region} = $exit->map->region_name; 1926 $rmp->{region} = $exit->region->name;
1825 $rmp->{origin_map} = $exit->map->path; 1927 $rmp->{origin_map} = $exit->map->path;
1826 $rmp->{origin_x} = $exit->x; 1928 $rmp->{origin_x} = $exit->x;
1827 $rmp->{origin_y} = $exit->y; 1929 $rmp->{origin_y} = $exit->y;
1828 } 1930 }
1829 1931
1830 $rmp->{random_seed} ||= $exit->random_seed; 1932 $rmp->{random_seed} ||= $exit->random_seed;
1831 1933
1832 my $data = cf::to_json $rmp; 1934 my $data = cf::to_json $rmp;
1833 my $md5 = Digest::MD5::md5_hex $data; 1935 my $md5 = Digest::MD5::md5_hex $data;
1936 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1834 1937
1835 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1938 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836 aio_write $fh, 0, (length $data), $data, 0; 1939 aio_write $fh, 0, (length $data), $data, 0;
1940 undef $fh;
1941 aio_rename "$meta~", $meta;
1837 1942
1838 $exit->slaying ("?random/$md5"); 1943 $exit->slaying ("?random/$md5");
1839 $exit->msg (undef); 1944 $exit->msg (undef);
1840 } 1945 }
1841} 1946}
1842 1947
1843sub cf::object::player::enter_exit { 1948sub cf::object::player::enter_exit {
1844 my ($self, $exit) = @_; 1949 my ($self, $exit) = @_;
1845 1950
1846 return unless $self->type == cf::PLAYER; 1951 return unless $self->type == cf::PLAYER;
1952
1953 if ($exit->slaying eq "/!") {
1954 #TODO: this should de-fi-ni-te-ly not be a sync-job
1955 cf::sync_job { prepare_random_map $exit };
1956 }
1957
1958 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959 my $hp = $exit->stats->hp;
1960 my $sp = $exit->stats->sp;
1847 1961
1848 $self->enter_link; 1962 $self->enter_link;
1849 1963
1850 (async { 1964 (async {
1851 $self->deactivate_recursive; # just to be sure 1965 $self->deactivate_recursive; # just to be sure
1852 unless (eval { 1966 unless (eval {
1853 prepare_random_map $exit 1967 $self->goto ($slaying, $hp, $sp);
1854 if $exit->slaying eq "/!";
1855
1856 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858 1968
1859 1; 1969 1;
1860 }) { 1970 }) {
1861 $self->message ("Something went wrong deep within the crossfire server. " 1971 $self->message ("Something went wrong deep within the crossfire server. "
1862 . "I'll try to bring you back to the map you were before. " 1972 . "I'll try to bring you back to the map you were before. "
… …
1923 # get handled first 2033 # get handled first
1924 my $queue = delete $ns->{query_queue} 2034 my $queue = delete $ns->{query_queue}
1925 or return; # be conservative, not sure how that can happen, but we saw a crash here 2035 or return; # be conservative, not sure how that can happen, but we saw a crash here
1926 2036
1927 (shift @$queue)->[1]->($msg); 2037 (shift @$queue)->[1]->($msg);
2038 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928 2039
1929 push @{ $ns->{query_queue} }, @$queue; 2040 push @{ $ns->{query_queue} }, @$queue;
1930 2041
1931 if (@{ $ns->{query_queue} } == @$queue) { 2042 if (@{ $ns->{query_queue} } == @$queue) {
1932 if (@$queue) { 2043 if (@$queue) {
… …
2093The parameter C<$family> should best start with the name of the extension 2204The parameter C<$family> should best start with the name of the extension
2094using it, it should be unique. 2205using it, it should be unique.
2095 2206
2096=over 4 2207=over 4
2097 2208
2098=item $hashref = cf::db_get $family
2099
2100Return a hashref for use by the extension C<$family>, which can be
2101modified. After modifications, you have to call C<cf::db_dirty> or
2102C<cf::db_sync>.
2103
2104=item $value = cf::db_get $family => $key 2209=item $value = cf::db_get $family => $key
2105 2210
2106Returns a single value from the database 2211Returns a single value from the database.
2107
2108=item cf::db_put $family => $hashref
2109
2110Stores the given family hashref into the database. Updates are delayed, if
2111you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112 2212
2113=item cf::db_put $family => $key => $value 2213=item cf::db_put $family => $key => $value
2114 2214
2115Stores the given C<$value> in the family hash. Updates are delayed, if you 2215Stores the given C<$value> in the family.
2116want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118=item cf::db_dirty
2119
2120Marks the database as dirty, to be updated at a later time.
2121
2122=item cf::db_sync
2123
2124Immediately write the database to disk I<if it is dirty>.
2125 2216
2126=cut 2217=cut
2127 2218
2128our $DB; 2219our $DB;
2129 2220
2130{ 2221sub db_init {
2222 unless ($DB) {
2223 $DB = BDB::db_create $DB_ENV;
2224
2225 cf::sync_job {
2226 eval {
2227 $DB->set_flags (BDB::CHKSUM);
2228
2229 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231 cf::cleanup "db_open(db): $!" if $!;
2232 };
2233 cf::cleanup "db_open(db): $@" if $@;
2234 };
2235
2131 my $path = cf::localdir . "/database.pst"; 2236 my $path = cf::localdir . "/database.pst";
2237 if (stat $path) {
2238 cf::sync_job {
2239 my $pst = Storable::retrieve $path;
2132 2240
2133 sub db_load() { 2241 cf::db_put (board => data => $pst->{board});
2134 $DB = stat $path ? Storable::retrieve $path : { }; 2242 cf::db_put (guildrules => data => $pst->{guildrules});
2135 } 2243 cf::db_put (rent => balance => $pst->{rent}{balance});
2244 BDB::db_env_txn_checkpoint $DB_ENV;
2136 2245
2137 my $pid; 2246 unlink $path;
2138
2139 sub db_save() {
2140 waitpid $pid, 0 if $pid;
2141 if (0 == ($pid = fork)) {
2142 $DB->{_meta}{version} = 1;
2143 Storable::nstore $DB, "$path~";
2144 rename "$path~", $path;
2145 cf::_exit 0 if defined $pid;
2146 } 2247 };
2147 }
2148
2149 my $dirty;
2150
2151 sub db_sync() {
2152 db_save if $dirty;
2153 undef $dirty;
2154 }
2155
2156 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157 db_sync;
2158 });
2159
2160 sub db_dirty() {
2161 $dirty = 1;
2162 $idle->start;
2163 }
2164
2165 sub db_get($;$) {
2166 @_ >= 2
2167 ? $DB->{$_[0]}{$_[1]}
2168 : ($DB->{$_[0]} ||= { })
2169 }
2170
2171 sub db_put($$;$) {
2172 if (@_ >= 3) {
2173 $DB->{$_[0]}{$_[1]} = $_[2];
2174 } else {
2175 $DB->{$_[0]} = $_[1];
2176 }
2177 db_dirty;
2178 }
2179
2180 cf::global->attach (
2181 prio => 10000,
2182 on_cleanup => sub {
2183 db_sync;
2184 }, 2248 }
2185 ); 2249 }
2250}
2251
2252sub db_get($$) {
2253 my $key = "$_[0]/$_[1]";
2254
2255 cf::sync_job {
2256 BDB::db_get $DB, undef, $key, my $data;
2257
2258 $! ? ()
2259 : Compress::LZF::sthaw $data
2260 }
2261}
2262
2263sub db_put($$$) {
2264 BDB::dbreq_pri 4;
2265 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2186} 2266}
2187 2267
2188############################################################################# 2268#############################################################################
2189# the server's main() 2269# the server's init and main functions
2270
2271sub init_resources {
2272 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2273 or die "unable to load regions file\n";#d#
2274}
2190 2275
2191sub cfg_load { 2276sub cfg_load {
2192 open my $fh, "<:utf8", cf::confdir . "/config" 2277 open my $fh, "<:utf8", cf::confdir . "/config"
2193 or return; 2278 or return;
2194 2279
… …
2207 }; 2292 };
2208 warn $@ if $@; 2293 warn $@ if $@;
2209 } 2294 }
2210} 2295}
2211 2296
2297sub init {
2298 init_resources;
2299}
2300
2212sub main { 2301sub main {
2213 # we must not ever block the main coroutine 2302 # we must not ever block the main coroutine
2214 local $Coro::idle = sub { 2303 local $Coro::idle = sub {
2215 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2304 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305 (async {
2216 async { Event::one_event }; 2306 Event::one_event;
2307 })->prio (Coro::PRIO_MAX);
2217 }; 2308 };
2218 2309
2219 cfg_load; 2310 cfg_load;
2220 db_load; 2311 db_init;
2221 load_extensions; 2312 load_extensions;
2313
2314 $TICK_WATCHER->start;
2222 Event::loop; 2315 Event::loop;
2223} 2316}
2224 2317
2225############################################################################# 2318#############################################################################
2226# initialisation and cleanup 2319# initialisation and cleanup
2227 2320
2228# install some emergency cleanup handlers 2321# install some emergency cleanup handlers
2229BEGIN { 2322BEGIN {
2230 for my $signal (qw(INT HUP TERM)) { 2323 for my $signal (qw(INT HUP TERM)) {
2231 Event->signal ( 2324 Event->signal (
2325 reentrant => 0,
2232 data => WF_AUTOCANCEL, 2326 data => WF_AUTOCANCEL,
2233 signal => $signal, 2327 signal => $signal,
2328 prio => 0,
2234 cb => sub { 2329 cb => sub {
2235 cf::cleanup "SIG$signal"; 2330 cf::cleanup "SIG$signal";
2236 }, 2331 },
2237 ); 2332 );
2238 } 2333 }
2239} 2334}
… …
2260 my $map = $cf::MAP{$path} or next; 2355 my $map = $cf::MAP{$path} or next;
2261 $map->valid or next; 2356 $map->valid or next;
2262 $map->save; 2357 $map->save;
2263 } 2358 }
2264 warn "end emergency map save\n"; 2359 warn "end emergency map save\n";
2360
2361 warn "begin emergency database checkpoint\n";
2362 BDB::db_env_txn_checkpoint $DB_ENV;
2363 warn "end emergency database checkpoint\n";
2265 }; 2364 };
2266 2365
2267 warn "leave emergency perl save\n"; 2366 warn "leave emergency perl save\n";
2367}
2368
2369sub post_cleanup {
2370 my ($make_core) = @_;
2371
2372 warn Carp::longmess "post_cleanup backtrace"
2373 if $make_core;
2268} 2374}
2269 2375
2270sub reload() { 2376sub reload() {
2271 # can/must only be called in main 2377 # can/must only be called in main
2272 if ($Coro::current != $Coro::main) { 2378 if ($Coro::current != $Coro::main) {
2273 warn "can only reload from main coroutine\n"; 2379 warn "can only reload from main coroutine";
2274 return; 2380 return;
2275 } 2381 }
2276 2382
2277 warn "reloading..."; 2383 warn "reloading...";
2278 2384
2279 warn "freezing server"; 2385 warn "entering sync_job";
2280 my $guard = freeze_mainloop; 2386
2387 cf::sync_job {
2388 cf::write_runtime; # external watchdog should not bark
2281 cf::emergency_save; 2389 cf::emergency_save;
2390 cf::write_runtime; # external watchdog should not bark
2282 2391
2283 warn "sync database to disk"; 2392 warn "syncing database to disk";
2284 cf::db_sync; 2393 BDB::db_env_txn_checkpoint $DB_ENV;
2285 IO::AIO::flush;
2286 2394
2287 eval {
2288 # if anything goes wrong in here, we should simply crash as we already saved 2395 # if anything goes wrong in here, we should simply crash as we already saved
2289 2396
2290 warn "cancel all watchers"; 2397 warn "cancelling all WF_AUTOCANCEL watchers";
2291 for (Event::all_watchers) { 2398 for (Event::all_watchers) {
2292 $_->cancel if $_->data & WF_AUTOCANCEL; 2399 $_->cancel if $_->data & WF_AUTOCANCEL;
2293 } 2400 }
2294 2401
2402 warn "flushing outstanding aio requests";
2403 for (;;) {
2404 BDB::flush;
2405 IO::AIO::flush;
2406 Coro::cede;
2407 last unless IO::AIO::nreqs || BDB::nreqs;
2408 warn "iterate...";
2409 }
2410
2295 warn "cancel all extension coros"; 2411 warn "cancelling all extension coros";
2296 $_->cancel for values %EXT_CORO; 2412 $_->cancel for values %EXT_CORO;
2297 %EXT_CORO = (); 2413 %EXT_CORO = ();
2298 2414
2299 warn "remove commands"; 2415 warn "removing commands";
2300 %COMMAND = (); 2416 %COMMAND = ();
2301 2417
2302 warn "remove ext commands"; 2418 warn "removing ext commands";
2303 %EXTCMD = (); 2419 %EXTCMD = ();
2304 2420
2305 warn "unload/nuke all extensions"; 2421 warn "unloading/nuking all extensions";
2306 for my $pkg (@EXTS) { 2422 for my $pkg (@EXTS) {
2307 warn "... unloading $pkg"; 2423 warn "... unloading $pkg";
2308 2424
2309 if (my $cb = $pkg->can ("unload")) { 2425 if (my $cb = $pkg->can ("unload")) {
2310 eval { 2426 eval {
… …
2315 2431
2316 warn "... nuking $pkg"; 2432 warn "... nuking $pkg";
2317 Symbol::delete_package $pkg; 2433 Symbol::delete_package $pkg;
2318 } 2434 }
2319 2435
2320 warn "unload all perl modules loaded from $LIBDIR"; 2436 warn "unloading all perl modules loaded from $LIBDIR";
2321 while (my ($k, $v) = each %INC) { 2437 while (my ($k, $v) = each %INC) {
2322 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2438 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323 2439
2324 warn "removing <$k>"; 2440 warn "... unloading $k";
2325 delete $INC{$k}; 2441 delete $INC{$k};
2326 2442
2327 $k =~ s/\.pm$//; 2443 $k =~ s/\.pm$//;
2328 $k =~ s/\//::/g; 2444 $k =~ s/\//::/g;
2329 2445
… …
2332 } 2448 }
2333 2449
2334 Symbol::delete_package $k; 2450 Symbol::delete_package $k;
2335 } 2451 }
2336 2452
2337 warn "get rid of safe::, as good as possible"; 2453 warn "getting rid of safe::, as good as possible";
2338 Symbol::delete_package "safe::$_" 2454 Symbol::delete_package "safe::$_"
2339 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2455 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340 2456
2341 warn "unload cf.pm \"a bit\""; 2457 warn "unloading cf.pm \"a bit\"";
2342 delete $INC{"cf.pm"}; 2458 delete $INC{"cf.pm"};
2343 2459
2344 # don't, removes xs symbols, too, 2460 # don't, removes xs symbols, too,
2345 # and global variables created in xs 2461 # and global variables created in xs
2346 #Symbol::delete_package __PACKAGE__; 2462 #Symbol::delete_package __PACKAGE__;
2347 2463
2464 warn "unload completed, starting to reload now";
2465
2348 warn "reloading cf.pm"; 2466 warn "reloading cf.pm";
2349 require cf; 2467 require cf;
2350 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2468 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351 2469
2352 warn "load config and database again"; 2470 warn "loading config and database again";
2353 cf::cfg_load; 2471 cf::cfg_load;
2354 cf::db_load;
2355 2472
2356 warn "load extensions"; 2473 warn "loading extensions";
2357 cf::load_extensions; 2474 cf::load_extensions;
2358 2475
2359 warn "reattach attachments to objects/players"; 2476 warn "reattaching attachments to objects/players";
2360 _global_reattach; 2477 _global_reattach; # objects, sockets
2361 warn "reattach attachments to maps"; 2478 warn "reattaching attachments to maps";
2362 reattach $_ for values %MAP; 2479 reattach $_ for values %MAP;
2363 }; 2480 warn "reattaching attachments to players";
2481 reattach $_ for values %PLAYER;
2364 2482
2365 if ($@) { 2483 warn "loading reloadable resources";
2484 init_resources;
2485
2486 warn "leaving sync_job";
2487
2488 1
2489 } or do {
2366 warn $@; 2490 warn $@;
2367 warn "error while reloading, exiting."; 2491 warn "error while reloading, exiting.";
2368 exit 1; 2492 exit 1;
2369 } 2493 };
2370 2494
2371 warn "reloaded"; 2495 warn "reloaded";
2372}; 2496};
2373 2497
2498our $RELOAD_WATCHER; # used only during reload
2499
2374register_command "reload" => sub { 2500register_command "reload" => sub {
2375 my ($who, $arg) = @_; 2501 my ($who, $arg) = @_;
2376 2502
2377 if ($who->flag (FLAG_WIZ)) { 2503 if ($who->flag (FLAG_WIZ)) {
2378 $who->message ("start of reload."); 2504 $who->message ("reloading server.");
2505
2506 # doing reload synchronously and two reloads happen back-to-back,
2507 # coro crashes during coro_state_free->destroy here.
2508
2509 $RELOAD_WATCHER ||= Event->timer (
2510 reentrant => 0,
2511 after => 0,
2512 data => WF_AUTOCANCEL,
2513 cb => sub {
2379 reload; 2514 reload;
2380 $who->message ("end of reload."); 2515 undef $RELOAD_WATCHER;
2516 },
2517 );
2381 } 2518 }
2382}; 2519};
2383 2520
2384unshift @INC, $LIBDIR; 2521unshift @INC, $LIBDIR;
2522
2523my $bug_warning = 0;
2385 2524
2386$TICK_WATCHER = Event->timer ( 2525$TICK_WATCHER = Event->timer (
2387 reentrant => 0, 2526 reentrant => 0,
2527 parked => 1,
2388 prio => 0, 2528 prio => 0,
2389 at => $NEXT_TICK || $TICK, 2529 at => $NEXT_TICK || $TICK,
2390 data => WF_AUTOCANCEL, 2530 data => WF_AUTOCANCEL,
2391 cb => sub { 2531 cb => sub {
2532 if ($Coro::current != $Coro::main) {
2533 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534 unless ++$bug_warning > 10;
2535 return;
2536 }
2537
2392 $NOW = Event::time; 2538 $NOW = Event::time;
2393 2539
2394 cf::server_tick; # one server iteration 2540 cf::server_tick; # one server iteration
2395 $RUNTIME += $TICK; 2541 $RUNTIME += $TICK;
2396 $NEXT_TICK += $TICK; 2542 $NEXT_TICK += $TICK;
2397 2543
2544 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545 $NEXT_RUNTIME_WRITE = $NOW + 10;
2546 Coro::async_pool {
2547 write_runtime
2548 or warn "ERROR: unable to write runtime file: $!";
2549 };
2550 }
2551
2398 $WAIT_FOR_TICK->broadcast; 2552 $WAIT_FOR_TICK->broadcast;
2399 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2553 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554
2555# my $AFTER = Event::time;
2556# warn $AFTER - $NOW;#d#
2400 2557
2401 # if we are delayed by four ticks or more, skip them all 2558 # if we are delayed by four ticks or more, skip them all
2402 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2559 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2403 2560
2404 $TICK_WATCHER->at ($NEXT_TICK); 2561 $TICK_WATCHER->at ($NEXT_TICK);
2405 $TICK_WATCHER->start; 2562 $TICK_WATCHER->start;
2406 }, 2563 },
2407); 2564);
2408 2565
2566{
2567 BDB::max_poll_time $TICK * 0.1;
2568 $BDB_POLL_WATCHER = Event->io (
2569 reentrant => 0,
2570 fd => BDB::poll_fileno,
2571 poll => 'r',
2572 prio => 0,
2573 data => WF_AUTOCANCEL,
2574 cb => \&BDB::poll_cb,
2575 );
2576 BDB::min_parallel 8;
2577
2578 BDB::set_sync_prepare {
2579 my $status;
2580 my $current = $Coro::current;
2581 (
2582 sub {
2583 $status = $!;
2584 $current->ready; undef $current;
2585 },
2586 sub {
2587 Coro::schedule while defined $current;
2588 $! = $status;
2589 },
2590 )
2591 };
2592
2593 unless ($DB_ENV) {
2594 $DB_ENV = BDB::db_env_create;
2595
2596 cf::sync_job {
2597 eval {
2598 BDB::db_env_open
2599 $DB_ENV,
2600 $BDB_ENV_DIR,
2601 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603 0666;
2604
2605 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2606
2607 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608 $DB_ENV->set_lk_detect;
2609 };
2610
2611 cf::cleanup "db_env_open(db): $@" if $@;
2612 };
2613 }
2614}
2615
2616{
2617 IO::AIO::min_parallel 8;
2618
2619 undef $Coro::AIO::WATCHER;
2409IO::AIO::max_poll_time $TICK * 0.2; 2620 IO::AIO::max_poll_time $TICK * 0.1;
2410
2411$AIO_POLL_WATCHER = Event->io ( 2621 $AIO_POLL_WATCHER = Event->io (
2412 fd => IO::AIO::poll_fileno, 2622 reentrant => 0,
2413 poll => 'r',
2414 prio => 5,
2415 data => WF_AUTOCANCEL,
2416 cb => \&IO::AIO::poll_cb,
2417);
2418
2419$WRITE_RUNTIME_WATCHER = Event->timer (
2420 data => WF_AUTOCANCEL, 2623 data => WF_AUTOCANCEL,
2421 after => 0, 2624 fd => IO::AIO::poll_fileno,
2422 interval => 10, 2625 poll => 'r',
2423 cb => sub { 2626 prio => 6,
2424 (Coro::unblock_sub { 2627 cb => \&IO::AIO::poll_cb,
2425 write_runtime 2628 );
2426 or warn "ERROR: unable to write runtime file: $!"; 2629}
2427 })->();
2428 },
2429);
2430 2630
2431END { cf::emergency_save } 2631END { cf::emergency_save }
2432 2632
24331 26331
2434 2634

Diff Legend

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