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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.195 by root, Fri Jan 26 20:59:57 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;
37our %COMMAND_TIME = (); 37our %COMMAND_TIME = ();
38 38
39our @EXTS = (); # list of extension package names 39our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 40our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 41our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps
42 43
43our @EVENT; 44our @EVENT;
44our $LIBDIR = datadir . "/ext"; 45our $LIBDIR = datadir . "/ext";
45 46
46our $TICK = MAX_TIME * 1e-6; 47our $TICK = MAX_TIME * 1e-6;
47our $TICK_WATCHER; 48our $TICK_WATCHER;
49our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER;
48our $NEXT_TICK; 51our $NEXT_TICK;
49our $NOW; 52our $NOW;
50 53
51our %CFG; 54our %CFG;
52 55
53our $UPTIME; $UPTIME ||= time; 56our $UPTIME; $UPTIME ||= time;
54our $RUNTIME; 57our $RUNTIME;
55 58
56our %PLAYER; # all users 59our %PLAYER; # all users
57our %MAP; # all maps 60our %MAP; # all maps
58our $LINK_MAP; # the special {link} map 61our $LINK_MAP; # the special {link} map, which is always available
59our $RANDOM_MAPS = cf::localdir . "/random"; 62our $RANDOM_MAPS = cf::localdir . "/random";
60 63
61our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
62our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66
67# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
63 69
64binmode STDOUT; 70binmode STDOUT;
65binmode STDERR; 71binmode STDERR;
66 72
67# read virtual server time, if available 73# read virtual server time, if available
75mkdir cf::localdir . "/" . cf::playerdir; 81mkdir cf::localdir . "/" . cf::playerdir;
76mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
77mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
78mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
79 85
80# a special map that is always available
81our $LINK_MAP;
82our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
83 87
84############################################################################# 88#############################################################################
85 89
86=head2 GLOBAL VARIABLES 90=head2 GLOBAL VARIABLES
255} 259}
256 260
257sub freeze_mainloop { 261sub freeze_mainloop {
258 return unless $TICK_WATCHER->is_active; 262 return unless $TICK_WATCHER->is_active;
259 263
260 my $guard = Coro::guard { $TICK_WATCHER->start }; 264 my $guard = Coro::guard {
265 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 };
268 $WRITE_RUNTIME_WATCHER->stop;
261 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
262 $guard 270 $guard
263} 271}
264 272
265=item cf::async { BLOCK } 273=item cf::async { BLOCK }
341 my $runtime = cf::localdir . "/runtime"; 349 my $runtime = cf::localdir . "/runtime";
342 350
343 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344 or return; 352 or return;
345 353
354 my $value = $cf::RUNTIME + 90 + 10;
346 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 355 # 10 is the runtime save interval, for a monotonic clock
356 # 60 allows for the watchdog to kill the server.
357
347 (aio_write $fh, 0, (length $value), $value, 0) <= 0 358 (aio_write $fh, 0, (length $value), $value, 0) <= 0
348 and return; 359 and return;
349 360
350 aio_fsync $fh 361 aio_fsync $fh
351 and return; 362 and return;
360} 371}
361 372
362=back 373=back
363 374
364=cut 375=cut
365
366#############################################################################
367
368package cf::path;
369
370use overload
371 '""' => \&as_string;
372
373# used to convert map paths into valid unix filenames by repalcing / by ∕
374our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376sub new {
377 my ($class, $path, $base) = @_;
378
379 $path = $path->as_string if ref $path;
380
381 my $self = bless { }, $class;
382
383 # {... are special paths that are not touched
384 # ?xxx/... are special absolute paths
385 # ?random/... random maps
386 # /! non-realised random map exit
387 # /... normal maps
388 # ~/... per-player maps without a specific player (DO NOT USE)
389 # ~user/... per-player map of a specific user
390
391 $path =~ s/$PATH_SEP/\//go;
392
393 if ($path =~ /^{/) {
394 # fine as it is
395 } elsif ($path =~ s{^\?random/}{}) {
396 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397 $self->{random} = cf::from_json $data;
398 } else {
399 if ($path =~ s{^~([^/]+)?}{}) {
400 $self->{user_rel} = 1;
401
402 if (defined $1) {
403 $self->{user} = $1;
404 } elsif ($base =~ m{^~([^/]+)/}) {
405 $self->{user} = $1;
406 } else {
407 warn "cannot resolve user-relative path without user <$path,$base>\n";
408 }
409 } elsif ($path =~ /^\//) {
410 # already absolute
411 } else {
412 $base =~ s{[^/]+/?$}{};
413 return $class->new ("$base/$path");
414 }
415
416 for ($path) {
417 redo if s{/\.?/}{/};
418 redo if s{/[^/]+/\.\./}{/};
419 }
420 }
421
422 $self->{path} = $path;
423
424 $self
425}
426
427# the name / primary key / in-game path
428sub as_string {
429 my ($self) = @_;
430
431 $self->{user_rel} ? "~$self->{user}$self->{path}"
432 : $self->{random} ? "?random/$self->{path}"
433 : $self->{path}
434}
435
436# the displayed name, this is a one way mapping
437sub visible_name {
438 my ($self) = @_;
439
440# if (my $rmp = $self->{random}) {
441# # todo: be more intelligent about this
442# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443# } else {
444 $self->as_string
445# }
446}
447
448# escape the /'s in the path
449sub _escaped_path {
450 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451 $path
452}
453
454# the original (read-only) location
455sub load_path {
456 my ($self) = @_;
457
458 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459}
460
461# the temporary/swap location
462sub save_path {
463 my ($self) = @_;
464
465 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468}
469
470# the unique path, might be eq to save_path
471sub uniq_path {
472 my ($self) = @_;
473
474 $self->{user_rel} || $self->{random}
475 ? undef
476 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477}
478
479# return random map parameters, or undef
480sub random_map_params {
481 my ($self) = @_;
482
483 $self->{random}
484}
485
486# this is somewhat ugly, but style maps do need special treatment
487sub is_style_map {
488 $_[0]{path} =~ m{^/styles/}
489}
490
491package cf;
492 376
493############################################################################# 377#############################################################################
494 378
495=head2 ATTACHABLE OBJECTS 379=head2 ATTACHABLE OBJECTS
496 380
622our @CB_TYPE = (); # registry for type (cf-object class) based events 506our @CB_TYPE = (); # registry for type (cf-object class) based events
623our @CB_MAP = (); 507our @CB_MAP = ();
624 508
625my %attachment; 509my %attachment;
626 510
511sub cf::attachable::thawer_merge {
512 # simply override everything except _meta
513 local $_[0]{_meta};
514 %{$_[0]} = %{$_[1]};
515}
516
627sub _attach_cb($$$$) { 517sub _attach_cb($$$$) {
628 my ($registry, $event, $prio, $cb) = @_; 518 my ($registry, $event, $prio, $cb) = @_;
629 519
630 use sort 'stable'; 520 use sort 'stable';
631 521
802# object support 692# object support
803 693
804sub reattach { 694sub reattach {
805 # basically do the same as instantiate, without calling instantiate 695 # basically do the same as instantiate, without calling instantiate
806 my ($obj) = @_; 696 my ($obj) = @_;
697
698 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807 699
808 my $registry = $obj->registry; 700 my $registry = $obj->registry;
809 701
810 @$registry = (); 702 @$registry = ();
811 703
998 "package $pkg; use strict; use utf8;\n" 890 "package $pkg; use strict; use utf8;\n"
999 . "#line 1 \"$path\"\n{\n" 891 . "#line 1 \"$path\"\n{\n"
1000 . (do { local $/; <$fh> }) 892 . (do { local $/; <$fh> })
1001 . "\n};\n1"; 893 . "\n};\n1";
1002 894
1003 eval $source 895 unless (eval $source) {
1004 or die $@ ? "$path: $@\n" 896 my $msg = $@ ? "$path: $@\n"
1005 : "extension disabled.\n"; 897 : "extension disabled.\n";
898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899 warn $@;
900 warn "mandatory extension failed to load, exiting.\n";
901 exit 1;
902 }
903 die $@;
904 }
1006 905
1007 push @EXTS, $pkg; 906 push @EXTS, $pkg;
1008} 907}
1009 908
1010sub load_extensions { 909sub load_extensions {
1016 } or warn "$ext not loaded: $@"; 915 } or warn "$ext not loaded: $@";
1017 } 916 }
1018} 917}
1019 918
1020############################################################################# 919#############################################################################
1021# load/save/clean perl data associated with a map
1022
1023*cf::mapsupport::on_clean = sub {
1024 my ($map) = @_;
1025
1026 my $path = $map->tmpname;
1027 defined $path or return;
1028
1029 unlink "$path.pst";
1030};
1031
1032cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034#############################################################################
1035 920
1036=head2 CORE EXTENSIONS 921=head2 CORE EXTENSIONS
1037 922
1038Functions and methods that extend core crossfire objects. 923Functions and methods that extend core crossfire objects.
1039 924
1075 960
1076sub exists($) { 961sub exists($) {
1077 my ($login) = @_; 962 my ($login) = @_;
1078 963
1079 $cf::PLAYER{$login} 964 $cf::PLAYER{$login}
1080 or cf::sync_job { !aio_stat $login } 965 or cf::sync_job { !aio_stat path $login }
1081} 966}
1082 967
1083sub find($) { 968sub find($) {
1084 return $cf::PLAYER{$_[0]} || do { 969 return $cf::PLAYER{$_[0]} || do {
1085 my $login = $_[0]; 970 my $login = $_[0];
1175 \@logins 1060 \@logins
1176} 1061}
1177 1062
1178=item $player->maps 1063=item $player->maps
1179 1064
1180Returns an arrayref of cf::path's of all maps that are private for this 1065Returns an arrayref of map paths that are private for this
1181player. May block. 1066player. May block.
1182 1067
1183=cut 1068=cut
1184 1069
1185sub maps($) { 1070sub maps($) {
1193 for (@$files) { 1078 for (@$files) {
1194 utf8::decode $_; 1079 utf8::decode $_;
1195 next if /\.(?:pl|pst)$/; 1080 next if /\.(?:pl|pst)$/;
1196 next unless /^$PATH_SEP/o; 1081 next unless /^$PATH_SEP/o;
1197 1082
1083 s/\.map$//;
1198 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1199 } 1085 }
1200 1086
1201 \@paths 1087 \@paths
1202} 1088}
1203 1089
1229package cf::map; 1115package cf::map;
1230 1116
1231use Fcntl; 1117use Fcntl;
1232use Coro::AIO; 1118use Coro::AIO;
1233 1119
1120use overload
1121 '""' => \&as_string,
1122 fallback => 1;
1123
1234our $MAX_RESET = 3600; 1124our $MAX_RESET = 3600;
1235our $DEFAULT_RESET = 3000; 1125our $DEFAULT_RESET = 3000;
1236 1126
1237sub generate_random_map { 1127sub generate_random_map {
1238 my ($path, $rmp) = @_; 1128 my ($self, $rmp) = @_;
1239
1240 # mit "rum" bekleckern, nicht 1129 # mit "rum" bekleckern, nicht
1241 cf::map::_create_random_map 1130 $self->_create_random_map (
1242 $path,
1243 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246 $rmp->{exit_on_final_map}, 1134 $rmp->{exit_on_final_map},
1247 $rmp->{xsize}, $rmp->{ysize}, 1135 $rmp->{xsize}, $rmp->{ysize},
1248 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1136 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1137 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1138 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1139 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253 (cf::region::find $rmp->{region}) 1141 (cf::region::find $rmp->{region}), $rmp->{custom}
1142 )
1143}
1144
1145=item cf::map->register ($regex, $prio)
1146
1147Register a handler for the map path matching the given regex at the
1148givne priority (higher is better, built-in handlers have priority 0, the
1149default).
1150
1151=cut
1152
1153sub register {
1154 my (undef, $regex, $prio) = @_;
1155 my $pkg = caller;
1156
1157 no strict;
1158 push @{"$pkg\::ISA"}, __PACKAGE__;
1159
1160 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161}
1162
1163# also paths starting with '/'
1164$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1165
1166sub thawer_merge {
1167 my ($self, $merge) = @_;
1168
1169 # we have to keep some variables in memory intact
1170 local $self->{path};
1171 local $self->{load_path};
1172 local $self->{deny_save};
1173 local $self->{deny_reset};
1174
1175 $self->SUPER::thawer_merge ($merge);
1176}
1177
1178sub normalise {
1179 my ($path, $base) = @_;
1180
1181 $path = "$path"; # make sure its a string
1182
1183 # map plan:
1184 #
1185 # /! non-realised random map exit (special hack!)
1186 # {... are special paths that are not being touched
1187 # ?xxx/... are special absolute paths
1188 # ?random/... random maps
1189 # /... normal maps
1190 # ~user/... per-player map of a specific user
1191
1192 $path =~ s/$PATH_SEP/\//go;
1193
1194 # treat it as relative path if it starts with
1195 # something that looks reasonable
1196 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1197 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1198
1199 $base =~ s{[^/]+/?$}{};
1200 $path = "$base/$path";
1201 }
1202
1203 for ($path) {
1204 redo if s{//}{/};
1205 redo if s{/\.?/}{/};
1206 redo if s{/[^/]+/\.\./}{/};
1207 }
1208
1209 $path
1210}
1211
1212sub new_from_path {
1213 my (undef, $path, $base) = @_;
1214
1215 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1216
1217 $path = normalise $path, $base;
1218
1219 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1220 if ($path =~ $EXT_MAP{$pkg}[1]) {
1221 my $self = bless cf::map::new, $pkg;
1222 $self->{path} = $path; $self->path ($path);
1223 $self->init; # pass $1 etc.
1224 return $self;
1225 }
1226 }
1227
1228 Carp::carp "unable to resolve path '$path' (base '$base').";
1229 ()
1230}
1231
1232sub init {
1233 my ($self) = @_;
1234
1235 $self
1236}
1237
1238sub as_string {
1239 my ($self) = @_;
1240
1241 "$self->{path}"
1242}
1243
1244# the displayed name, this is a one way mapping
1245sub visible_name {
1246 &as_string
1247}
1248
1249# the original (read-only) location
1250sub load_path {
1251 my ($self) = @_;
1252
1253 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1254}
1255
1256# the temporary/swap location
1257sub save_path {
1258 my ($self) = @_;
1259
1260 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1262}
1263
1264# the unique path, undef == no special unique path
1265sub uniq_path {
1266 my ($self) = @_;
1267
1268 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1254} 1270}
1255 1271
1256# and all this just because we cannot iterate over 1272# and all this just because we cannot iterate over
1257# all maps in C++... 1273# all maps in C++...
1258sub change_all_map_light { 1274sub change_all_map_light {
1260 1276
1261 $_->change_map_light ($change) 1277 $_->change_map_light ($change)
1262 for grep $_->outdoor, values %cf::MAP; 1278 for grep $_->outdoor, values %cf::MAP;
1263} 1279}
1264 1280
1281sub unlink_save {
1282 my ($self) = @_;
1283
1284 utf8::encode (my $save = $self->save_path);
1285 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1286 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1287}
1288
1265sub try_load_header($) { 1289sub load_header_from($) {
1266 my ($path) = @_; 1290 my ($self, $path) = @_;
1267 1291
1268 utf8::encode $path; 1292 utf8::encode $path;
1269 aio_open $path, O_RDONLY, 0 1293 aio_open $path, O_RDONLY, 0
1270 or return; 1294 or return;
1271 1295
1272 my $map = cf::map::new 1296 $self->_load_header ($path)
1273 or return; 1297 or return;
1274 1298
1275 # for better error messages only, will be overwritten 1299 $self->{load_path} = $path;
1276 $map->path ($path);
1277 1300
1278 $map->load_header ($path) 1301 1
1302}
1303
1304sub load_header_orig {
1305 my ($self) = @_;
1306
1307 $self->load_header_from ($self->load_path)
1308}
1309
1310sub load_header_temp {
1311 my ($self) = @_;
1312
1313 $self->load_header_from ($self->save_path)
1314}
1315
1316sub prepare_temp {
1317 my ($self) = @_;
1318
1319 $self->last_access ((delete $self->{last_access})
1320 || $cf::RUNTIME); #d#
1321 # safety
1322 $self->{instantiate_time} = $cf::RUNTIME
1323 if $self->{instantiate_time} > $cf::RUNTIME;
1324}
1325
1326sub prepare_orig {
1327 my ($self) = @_;
1328
1329 $self->{load_original} = 1;
1330 $self->{instantiate_time} = $cf::RUNTIME;
1331 $self->last_access ($cf::RUNTIME);
1332 $self->instantiate;
1333}
1334
1335sub load_header {
1336 my ($self) = @_;
1337
1338 if ($self->load_header_temp) {
1339 $self->prepare_temp;
1340 } else {
1341 $self->load_header_orig
1279 or return; 1342 or return;
1343 $self->prepare_orig;
1344 }
1280 1345
1281 $map->{load_path} = $path; 1346 1
1282
1283 $map
1284} 1347}
1285 1348
1286sub find; 1349sub find;
1287sub find { 1350sub find {
1288 my ($path, $origin) = @_; 1351 my ($path, $origin) = @_;
1289 1352
1290 #warn "find<$path,$origin>\n";#d#
1291
1292 $path = new cf::path $path, $origin && $origin->path; 1353 $path = normalise $path, $origin && $origin->path;
1293 my $key = $path->as_string;
1294 1354
1295 cf::lock_wait "map_find:$key"; 1355 cf::lock_wait "map_find:$path";
1296 1356
1297 $cf::MAP{$key} || do { 1357 $cf::MAP{$path} || do {
1298 my $guard = cf::lock_acquire "map_find:$key"; 1358 my $guard = cf::lock_acquire "map_find:$path";
1299 1359 my $map = new_from_path cf::map $path
1300 # do it the slow way
1301 my $map = try_load_header $path->save_path;
1302
1303 Coro::cede;
1304
1305 if ($map) {
1306 $map->last_access ((delete $map->{last_access})
1307 || $cf::RUNTIME); #d#
1308 # safety
1309 $map->{instantiate_time} = $cf::RUNTIME
1310 if $map->{instantiate_time} > $cf::RUNTIME;
1311 } else {
1312 if (my $rmp = $path->random_map_params) {
1313 $map = generate_random_map $key, $rmp;
1314 } else {
1315 $map = try_load_header $path->load_path;
1316 }
1317
1318 $map or return; 1360 or return;
1319 1361
1320 $map->{load_original} = 1;
1321 $map->{instantiate_time} = $cf::RUNTIME;
1322 $map->last_access ($cf::RUNTIME);
1323 $map->instantiate;
1324
1325 # per-player maps become, after loading, normal maps
1326 $map->per_player (0) if $path->{user_rel};
1327 }
1328
1329 $map->path ($key);
1330 $map->{path} = $path;
1331 $map->{last_save} = $cf::RUNTIME; 1362 $map->{last_save} = $cf::RUNTIME;
1332 1363
1333 Coro::cede; 1364 $map->load_header
1365 or return;
1334 1366
1335 if ($map->should_reset) { 1367 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1368 # doing this can freeze the server in a sync job, obviously
1369 #$cf::WAIT_FOR_TICK->wait;
1336 $map->reset; 1370 $map->reset;
1337 undef $guard; 1371 undef $guard;
1338 $map = find $path 1372 return find $path;
1339 or return;
1340 } 1373 }
1341 1374
1342 $cf::MAP{$key} = $map 1375 $cf::MAP{$path} = $map
1343 } 1376 }
1344} 1377}
1378
1379sub pre_load { }
1380sub post_load { }
1345 1381
1346sub load { 1382sub load {
1347 my ($self) = @_; 1383 my ($self) = @_;
1348 1384
1349 my $path = $self->{path}; 1385 my $path = $self->{path};
1350 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1386 my $guard = cf::lock_acquire "map_load:$path";
1351 1387
1352 return if $self->in_memory != cf::MAP_SWAPPED; 1388 return if $self->in_memory != cf::MAP_SWAPPED;
1353 1389
1354 $self->in_memory (cf::MAP_LOADING); 1390 $self->in_memory (cf::MAP_LOADING);
1355 1391
1356 $self->alloc; 1392 $self->alloc;
1393
1394 $self->pre_load;
1395
1357 $self->load_objects ($self->{load_path}, 1) 1396 $self->_load_objects ($self->{load_path}, 1)
1358 or return; 1397 or return;
1359 1398
1360 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1399 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361 if delete $self->{load_original}; 1400 if delete $self->{load_original};
1362 1401
1363 if (my $uniq = $path->uniq_path) { 1402 if (my $uniq = $self->uniq_path) {
1364 utf8::encode $uniq; 1403 utf8::encode $uniq;
1365 if (aio_open $uniq, O_RDONLY, 0) { 1404 if (aio_open $uniq, O_RDONLY, 0) {
1366 $self->clear_unique_items; 1405 $self->clear_unique_items;
1367 $self->load_objects ($uniq, 0); 1406 $self->_load_objects ($uniq, 0);
1368 } 1407 }
1369 } 1408 }
1370 1409
1371 Coro::cede; 1410 Coro::cede;
1372 1411
1373 # now do the right thing for maps 1412 # now do the right thing for maps
1374 $self->link_multipart_objects; 1413 $self->link_multipart_objects;
1375 1414
1376 if ($self->{path}->is_style_map) { 1415 unless ($self->{deny_activate}) {
1377 $self->{deny_save} = 1; 1416 $self->decay_objects;
1378 $self->{deny_reset} = 1;
1379 } else {
1380 $self->fix_auto_apply; 1417 $self->fix_auto_apply;
1381 $self->decay_objects;
1382 $self->update_buttons; 1418 $self->update_buttons;
1419 Coro::cede;
1383 $self->set_darkness_map; 1420 $self->set_darkness_map;
1384 $self->difficulty ($self->estimate_difficulty) 1421 $self->difficulty ($self->estimate_difficulty)
1385 unless $self->difficulty; 1422 unless $self->difficulty;
1423 Coro::cede;
1386 $self->activate; 1424 $self->activate;
1387 } 1425 }
1388 1426
1389 Coro::cede; 1427 $self->post_load;
1390 1428
1391 $self->in_memory (cf::MAP_IN_MEMORY); 1429 $self->in_memory (cf::MAP_IN_MEMORY);
1430}
1431
1432sub customise_for {
1433 my ($self, $ob) = @_;
1434
1435 return find "~" . $ob->name . "/" . $self->{path}
1436 if $self->per_player;
1437
1438 $self
1392} 1439}
1393 1440
1394# find and load all maps in the 3x3 area around a map 1441# find and load all maps in the 3x3 area around a map
1395sub load_diag { 1442sub load_diag {
1396 my ($map) = @_; 1443 my ($map) = @_;
1426 1473
1427 cf::sync_job { $map->load }; 1474 cf::sync_job { $map->load };
1428} 1475}
1429 1476
1430our %MAP_PREFETCH; 1477our %MAP_PREFETCH;
1431our $MAP_PREFETCHER = Coro::async { 1478our $MAP_PREFETCHER = undef;
1432 while () {
1433 while (%MAP_PREFETCH) {
1434 my $key = each %MAP_PREFETCH
1435 or next;
1436 my $path = delete $MAP_PREFETCH{$key};
1437
1438 my $map = find $path
1439 or next;
1440 $map->load;
1441 }
1442 Coro::schedule;
1443 }
1444};
1445 1479
1446sub find_async { 1480sub find_async {
1447 my ($path, $origin) = @_; 1481 my ($path, $origin) = @_;
1448 1482
1449 $path = new cf::path $path, $origin && $origin->path; 1483 $path = normalise $path, $origin && $origin->{path};
1450 my $key = $path->as_string;
1451 1484
1452 if (my $map = $cf::MAP{$key}) { 1485 if (my $map = $cf::MAP{$path}) {
1453 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1486 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454 } 1487 }
1455 1488
1456 $MAP_PREFETCH{$key} = $path; 1489 undef $MAP_PREFETCH{$path};
1490 $MAP_PREFETCHER ||= cf::async {
1491 while (%MAP_PREFETCH) {
1492 for my $path (keys %MAP_PREFETCH) {
1493 my $map = find $path
1494 or next;
1495 $map->load;
1496
1497 delete $MAP_PREFETCH{$path};
1498 }
1499 }
1500 undef $MAP_PREFETCHER;
1501 };
1457 $MAP_PREFETCHER->ready; 1502 $MAP_PREFETCHER->prio (6);
1458 1503
1459 () 1504 ()
1460} 1505}
1461 1506
1462sub save { 1507sub save {
1466 1511
1467 $self->{last_save} = $cf::RUNTIME; 1512 $self->{last_save} = $cf::RUNTIME;
1468 1513
1469 return unless $self->dirty; 1514 return unless $self->dirty;
1470 1515
1471 my $save = $self->{path}->save_path; utf8::encode $save; 1516 my $save = $self->save_path; utf8::encode $save;
1472 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1517 my $uniq = $self->uniq_path; utf8::encode $uniq;
1473 1518
1474 $self->{load_path} = $save; 1519 $self->{load_path} = $save;
1475 1520
1476 return if $self->{deny_save}; 1521 return if $self->{deny_save};
1477 1522
1480 cf::async { 1525 cf::async {
1481 $_->contr->save for $self->players; 1526 $_->contr->save for $self->players;
1482 }; 1527 };
1483 1528
1484 if ($uniq) { 1529 if ($uniq) {
1485 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1530 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486 $self->save_objects ($uniq, cf::IO_UNIQUES); 1531 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1487 } else { 1532 } else {
1488 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1533 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489 } 1534 }
1490} 1535}
1491 1536
1492sub swap_out { 1537sub swap_out {
1493 my ($self) = @_; 1538 my ($self) = @_;
1507 1552
1508sub reset_at { 1553sub reset_at {
1509 my ($self) = @_; 1554 my ($self) = @_;
1510 1555
1511 # TODO: safety, remove and allow resettable per-player maps 1556 # TODO: safety, remove and allow resettable per-player maps
1512 return 1e99 if $self->{path}{user_rel}; 1557 return 1e99 if $self->isa ("ext::map_per_player");#d#
1513 return 1e99 if $self->{deny_reset}; 1558 return 1e99 if $self->{deny_reset};
1514 1559
1515 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1560 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1561 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517 1562
1522 my ($self) = @_; 1567 my ($self) = @_;
1523 1568
1524 $self->reset_at <= $cf::RUNTIME 1569 $self->reset_at <= $cf::RUNTIME
1525} 1570}
1526 1571
1527sub unlink_save {
1528 my ($self) = @_;
1529
1530 utf8::encode (my $save = $self->{path}->save_path);
1531 aioreq_pri 3; IO::AIO::aio_unlink $save;
1532 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533}
1534
1535sub rename {
1536 my ($self, $new_path) = @_;
1537
1538 $self->unlink_save;
1539
1540 delete $cf::MAP{$self->path};
1541 $self->{path} = new cf::path $new_path;
1542 $self->path ($self->{path}->as_string);
1543 $cf::MAP{$self->path} = $self;
1544
1545 $self->save;
1546}
1547
1548sub reset { 1572sub reset {
1549 my ($self) = @_; 1573 my ($self) = @_;
1550 1574
1551 my $lock = cf::lock_acquire "map_data:" . $self->path; 1575 my $lock = cf::lock_acquire "map_data:$self->{path}";
1552 1576
1553 return if $self->players; 1577 return if $self->players;
1554 return if $self->{path}{user_rel};#d# 1578 return if $self->isa ("ext::map_per_player");#d#
1555 1579
1556 warn "resetting map ", $self->path;#d# 1580 warn "resetting map ", $self->path;#d#
1557 1581
1558 delete $cf::MAP{$self->path}; 1582 delete $cf::MAP{$self->path};
1583
1584 $self->in_memory (cf::MAP_SWAPPED);
1585 $self->clear;
1559 1586
1560 $_->clear_links_to ($self) for values %cf::MAP; 1587 $_->clear_links_to ($self) for values %cf::MAP;
1561 1588
1562 $self->unlink_save; 1589 $self->unlink_save;
1563 $self->destroy; 1590 $self->destroy;
1566my $nuke_counter = "aaaa"; 1593my $nuke_counter = "aaaa";
1567 1594
1568sub nuke { 1595sub nuke {
1569 my ($self) = @_; 1596 my ($self) = @_;
1570 1597
1598 delete $cf::MAP{$self->path};
1599
1600 $self->unlink_save;
1601
1602 bless $self, "cf::map";
1603 delete $self->{deny_reset};
1571 $self->{deny_save} = 1; 1604 $self->{deny_save} = 1;
1572 $self->reset_timeout (1); 1605 $self->reset_timeout (1);
1573 $self->rename ("{nuke}/" . ($nuke_counter++)); 1606 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607
1608 $cf::MAP{$self->path} = $self;
1609
1574 $self->reset; # polite request, might not happen 1610 $self->reset; # polite request, might not happen
1575} 1611}
1576 1612
1577sub customise_for {
1578 my ($map, $ob) = @_;
1579
1580 if ($map->per_player) {
1581 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582 }
1583
1584 $map
1585}
1586
1587=item cf::map::unique_maps 1613=item cf::map::unique_maps
1588 1614
1589Returns an arrayref of cf::path's of all shared maps that have 1615Returns an arrayref of paths of all shared maps that have
1590instantiated unique items. May block. 1616instantiated unique items. May block.
1591 1617
1592=cut 1618=cut
1593 1619
1594sub unique_maps() { 1620sub unique_maps() {
1600 for (@$files) { 1626 for (@$files) {
1601 utf8::decode $_; 1627 utf8::decode $_;
1602 next if /\.pst$/; 1628 next if /\.pst$/;
1603 next unless /^$PATH_SEP/o; 1629 next unless /^$PATH_SEP/o;
1604 1630
1631 s/\.map$//;
1605 push @paths, new cf::path $_; 1632 push @paths, $_;
1606 } 1633 }
1607 1634
1608 \@paths 1635 \@paths
1609} 1636}
1610 1637
1685 1712
1686=item $player_object->enter_link 1713=item $player_object->enter_link
1687 1714
1688Freezes the player and moves him/her to a special map (C<{link}>). 1715Freezes the player and moves him/her to a special map (C<{link}>).
1689 1716
1690The player should be reaosnably safe there for short amounts of time. You 1717The player should be reasonably safe there for short amounts of time. You
1691I<MUST> call C<leave_link> as soon as possible, though. 1718I<MUST> call C<leave_link> as soon as possible, though.
1692 1719
1720Will never block.
1721
1693=item $player_object->leave_link ($map, $x, $y) 1722=item $player_object->leave_link ($map, $x, $y)
1694 1723
1695Moves the player out of the specila link map onto the given map. If the 1724Moves the player out of the special C<{link}> map onto the specified
1696map is not valid (or omitted), the player will be moved back to the 1725map. If the map is not valid (or omitted), the player will be moved back
1697location he/she was before the call to C<enter_link>, or, if that fails, 1726to the location he/she was before the call to C<enter_link>, or, if that
1698to the emergency map position. 1727fails, to the emergency map position.
1699 1728
1700Might block. 1729Might block.
1701 1730
1702=cut 1731=cut
1732
1733sub link_map {
1734 unless ($LINK_MAP) {
1735 $LINK_MAP = cf::map::find "{link}"
1736 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1737 $LINK_MAP->load;
1738 }
1739
1740 $LINK_MAP
1741}
1703 1742
1704sub cf::object::player::enter_link { 1743sub cf::object::player::enter_link {
1705 my ($self) = @_; 1744 my ($self) = @_;
1706 1745
1707 $self->deactivate_recursive; 1746 $self->deactivate_recursive;
1708 1747
1709 return if $self->map == $LINK_MAP; 1748 return if UNIVERSAL::isa $self->map, "ext::map_link";
1710 1749
1711 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1750 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712 if $self->map; 1751 if $self->map;
1713 1752
1714 $self->enter_map ($LINK_MAP, 20, 20); 1753 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1715} 1754}
1716 1755
1717sub cf::object::player::leave_link { 1756sub cf::object::player::leave_link {
1718 my ($self, $map, $x, $y) = @_; 1757 my ($self, $map, $x, $y) = @_;
1719 1758
1783=cut 1822=cut
1784 1823
1785sub cf::object::player::goto { 1824sub cf::object::player::goto {
1786 my ($self, $path, $x, $y) = @_; 1825 my ($self, $path, $x, $y) = @_;
1787 1826
1788 $path = new cf::path $path;
1789
1790 $self->enter_link; 1827 $self->enter_link;
1791 1828
1792 (async { 1829 (async {
1793 my $map = cf::map::find $path->as_string; 1830 my $map = cf::map::find $path;
1794 $map = $map->customise_for ($self) if $map; 1831 $map = $map->customise_for ($self) if $map;
1795 1832
1796# warn "entering ", $map->path, " at ($x, $y)\n" 1833# warn "entering ", $map->path, " at ($x, $y)\n"
1797# if $map; 1834# if $map;
1798 1835
1808 1845
1809sub parse_random_map_params { 1846sub parse_random_map_params {
1810 my ($spec) = @_; 1847 my ($spec) = @_;
1811 1848
1812 my $rmp = { # defaults 1849 my $rmp = { # defaults
1813 xsize => 10, 1850 xsize => (cf::rndm 15, 40),
1814 ysize => 10, 1851 ysize => (cf::rndm 15, 40),
1852 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1853 #layout => string,
1815 }; 1854 };
1816 1855
1817 for (split /\n/, $spec) { 1856 for (split /\n/, $spec) {
1818 my ($k, $v) = split /\s+/, $_, 2; 1857 my ($k, $v) = split /\s+/, $_, 2;
1819 1858
1823 $rmp 1862 $rmp
1824} 1863}
1825 1864
1826sub prepare_random_map { 1865sub prepare_random_map {
1827 my ($exit) = @_; 1866 my ($exit) = @_;
1867
1868 my $guard = cf::lock_acquire "exit_prepare:$exit";
1828 1869
1829 # all this does is basically replace the /! path by 1870 # all this does is basically replace the /! path by
1830 # a new random map path (?random/...) with a seed 1871 # a new random map path (?random/...) with a seed
1831 # that depends on the exit object 1872 # that depends on the exit object
1832 1873
1841 1882
1842 $rmp->{random_seed} ||= $exit->random_seed; 1883 $rmp->{random_seed} ||= $exit->random_seed;
1843 1884
1844 my $data = cf::to_json $rmp; 1885 my $data = cf::to_json $rmp;
1845 my $md5 = Digest::MD5::md5_hex $data; 1886 my $md5 = Digest::MD5::md5_hex $data;
1887 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1846 1888
1847 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1889 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848 aio_write $fh, 0, (length $data), $data, 0; 1890 aio_write $fh, 0, (length $data), $data, 0;
1891 undef $fh;
1892 aio_rename "$meta~", $meta;
1849 1893
1850 $exit->slaying ("?random/$md5"); 1894 $exit->slaying ("?random/$md5");
1851 $exit->msg (undef); 1895 $exit->msg (undef);
1852 } 1896 }
1853} 1897}
1854 1898
1855sub cf::object::player::enter_exit { 1899sub cf::object::player::enter_exit {
1856 my ($self, $exit) = @_; 1900 my ($self, $exit) = @_;
1857 1901
1858 return unless $self->type == cf::PLAYER; 1902 return unless $self->type == cf::PLAYER;
1903
1904 if ($exit->slaying eq "/!") {
1905 #TODO: this should de-fi-ni-te-ly not be a sync-job
1906 cf::sync_job { prepare_random_map $exit };
1907 }
1908
1909 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1910 my $hp = $exit->stats->hp;
1911 my $sp = $exit->stats->sp;
1859 1912
1860 $self->enter_link; 1913 $self->enter_link;
1861 1914
1862 (async { 1915 (async {
1863 $self->deactivate_recursive; # just to be sure 1916 $self->deactivate_recursive; # just to be sure
1864 unless (eval { 1917 unless (eval {
1865 prepare_random_map $exit 1918 $self->goto ($slaying, $hp, $sp);
1866 if $exit->slaying eq "/!";
1867
1868 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870 1919
1871 1; 1920 1;
1872 }) { 1921 }) {
1873 $self->message ("Something went wrong deep within the crossfire server. " 1922 $self->message ("Something went wrong deep within the crossfire server. "
1874 . "I'll try to bring you back to the map you were before. " 1923 . "I'll try to bring you back to the map you were before. "
2163 sub db_sync() { 2212 sub db_sync() {
2164 db_save if $dirty; 2213 db_save if $dirty;
2165 undef $dirty; 2214 undef $dirty;
2166 } 2215 }
2167 2216
2168 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2217 my $idle = Event->idle (
2169 db_sync; 2218 reentrant => 0,
2219 min => 10,
2220 max => 20,
2221 repeat => 0,
2222 data => WF_AUTOCANCEL,
2223 cb => \&db_sync,
2170 }); 2224 );
2171 2225
2172 sub db_dirty() { 2226 sub db_dirty() {
2173 $dirty = 1; 2227 $dirty = 1;
2174 $idle->start; 2228 $idle->start;
2175 } 2229 }
2223 2277
2224sub main { 2278sub main {
2225 # we must not ever block the main coroutine 2279 # we must not ever block the main coroutine
2226 local $Coro::idle = sub { 2280 local $Coro::idle = sub {
2227 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2281 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282 (async {
2228 async { Event::one_event }; 2283 Event::one_event;
2284 })->prio (Coro::PRIO_MAX);
2229 }; 2285 };
2230 2286
2231 cfg_load; 2287 cfg_load;
2232 db_load; 2288 db_load;
2233 load_extensions; 2289 load_extensions;
2290
2291 $TICK_WATCHER->start;
2234 Event::loop; 2292 Event::loop;
2235} 2293}
2236 2294
2237############################################################################# 2295#############################################################################
2238# initialisation and cleanup 2296# initialisation and cleanup
2239 2297
2240# install some emergency cleanup handlers 2298# install some emergency cleanup handlers
2241BEGIN { 2299BEGIN {
2242 for my $signal (qw(INT HUP TERM)) { 2300 for my $signal (qw(INT HUP TERM)) {
2243 Event->signal ( 2301 Event->signal (
2302 reentrant => 0,
2244 data => WF_AUTOCANCEL, 2303 data => WF_AUTOCANCEL,
2245 signal => $signal, 2304 signal => $signal,
2305 prio => 0,
2246 cb => sub { 2306 cb => sub {
2247 cf::cleanup "SIG$signal"; 2307 cf::cleanup "SIG$signal";
2248 }, 2308 },
2249 ); 2309 );
2250 } 2310 }
2251} 2311}
2256 warn "enter emergency perl save\n"; 2316 warn "enter emergency perl save\n";
2257 2317
2258 cf::sync_job { 2318 cf::sync_job {
2259 # use a peculiar iteration method to avoid tripping on perl 2319 # use a peculiar iteration method to avoid tripping on perl
2260 # refcount bugs in for. also avoids problems with players 2320 # refcount bugs in for. also avoids problems with players
2261 # and maps saved/Destroyed asynchronously. 2321 # and maps saved/destroyed asynchronously.
2262 warn "begin emergency player save\n"; 2322 warn "begin emergency player save\n";
2263 for my $login (keys %cf::PLAYER) { 2323 for my $login (keys %cf::PLAYER) {
2264 my $pl = $cf::PLAYER{$login} or next; 2324 my $pl = $cf::PLAYER{$login} or next;
2265 $pl->valid or next; 2325 $pl->valid or next;
2266 $pl->save; 2326 $pl->save;
2280} 2340}
2281 2341
2282sub reload() { 2342sub reload() {
2283 # can/must only be called in main 2343 # can/must only be called in main
2284 if ($Coro::current != $Coro::main) { 2344 if ($Coro::current != $Coro::main) {
2285 warn "can only reload from main coroutine\n"; 2345 warn "can only reload from main coroutine";
2286 return; 2346 return;
2287 } 2347 }
2288 2348
2289 warn "reloading..."; 2349 warn "reloading...";
2290 2350
2291 warn "freezing server"; 2351 warn "cancelling server ticker";
2292 my $guard = freeze_mainloop; 2352 $TICK_WATCHER->cancel;
2353
2293 cf::emergency_save; 2354 cf::emergency_save;
2294
2295 warn "sync database to disk";
2296 cf::db_sync;
2297 IO::AIO::flush;
2298 2355
2299 eval { 2356 eval {
2300 # if anything goes wrong in here, we should simply crash as we already saved 2357 # if anything goes wrong in here, we should simply crash as we already saved
2301 2358
2359 warn "syncing database to disk";
2360 cf::db_sync;
2361
2302 warn "cancel all watchers"; 2362 warn "cancelling all WF_AUTOCANCEL watchers";
2303 for (Event::all_watchers) { 2363 for (Event::all_watchers) {
2304 $_->cancel if $_->data & WF_AUTOCANCEL; 2364 $_->cancel if $_->data & WF_AUTOCANCEL;
2305 } 2365 }
2306 2366
2367 warn "flushing outstanding aio requests";
2368 for (;;) {
2369 IO::AIO::flush;
2370 Coro::cede;
2371 last unless IO::AIO::nreqs;
2372 warn "iterate...";
2373 }
2374
2307 warn "cancel all extension coros"; 2375 warn "cancelling all extension coros";
2308 $_->cancel for values %EXT_CORO; 2376 $_->cancel for values %EXT_CORO;
2309 %EXT_CORO = (); 2377 %EXT_CORO = ();
2310 2378
2311 warn "remove commands"; 2379 warn "removing commands";
2312 %COMMAND = (); 2380 %COMMAND = ();
2313 2381
2314 warn "remove ext commands"; 2382 warn "removing ext commands";
2315 %EXTCMD = (); 2383 %EXTCMD = ();
2316 2384
2317 warn "unload/nuke all extensions"; 2385 warn "unloading/nuking all extensions";
2318 for my $pkg (@EXTS) { 2386 for my $pkg (@EXTS) {
2319 warn "... unloading $pkg"; 2387 warn "... unloading $pkg";
2320 2388
2321 if (my $cb = $pkg->can ("unload")) { 2389 if (my $cb = $pkg->can ("unload")) {
2322 eval { 2390 eval {
2327 2395
2328 warn "... nuking $pkg"; 2396 warn "... nuking $pkg";
2329 Symbol::delete_package $pkg; 2397 Symbol::delete_package $pkg;
2330 } 2398 }
2331 2399
2332 warn "unload all perl modules loaded from $LIBDIR"; 2400 warn "unloading all perl modules loaded from $LIBDIR";
2333 while (my ($k, $v) = each %INC) { 2401 while (my ($k, $v) = each %INC) {
2334 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2402 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335 2403
2336 warn "removing <$k>"; 2404 warn "... unloading $k";
2337 delete $INC{$k}; 2405 delete $INC{$k};
2338 2406
2339 $k =~ s/\.pm$//; 2407 $k =~ s/\.pm$//;
2340 $k =~ s/\//::/g; 2408 $k =~ s/\//::/g;
2341 2409
2344 } 2412 }
2345 2413
2346 Symbol::delete_package $k; 2414 Symbol::delete_package $k;
2347 } 2415 }
2348 2416
2349 warn "get rid of safe::, as good as possible"; 2417 warn "getting rid of safe::, as good as possible";
2350 Symbol::delete_package "safe::$_" 2418 Symbol::delete_package "safe::$_"
2351 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2419 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352 2420
2353 warn "unload cf.pm \"a bit\""; 2421 warn "unloading cf.pm \"a bit\"";
2354 delete $INC{"cf.pm"}; 2422 delete $INC{"cf.pm"};
2355 2423
2356 # don't, removes xs symbols, too, 2424 # don't, removes xs symbols, too,
2357 # and global variables created in xs 2425 # and global variables created in xs
2358 #Symbol::delete_package __PACKAGE__; 2426 #Symbol::delete_package __PACKAGE__;
2359 2427
2428 warn "unload completed, starting to reload now";
2429
2360 warn "reloading cf.pm"; 2430 warn "reloading cf.pm";
2361 require cf; 2431 require cf;
2362 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2432 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363 2433
2364 warn "load config and database again"; 2434 warn "loading config and database again";
2365 cf::cfg_load; 2435 cf::cfg_load;
2366 cf::db_load; 2436 cf::db_load;
2367 2437
2368 warn "load extensions"; 2438 warn "loading extensions";
2369 cf::load_extensions; 2439 cf::load_extensions;
2370 2440
2371 warn "reattach attachments to objects/players"; 2441 warn "reattaching attachments to objects/players";
2372 _global_reattach; 2442 _global_reattach;
2373 warn "reattach attachments to maps"; 2443 warn "reattaching attachments to maps";
2374 reattach $_ for values %MAP; 2444 reattach $_ for values %MAP;
2445
2446 warn "restarting server ticker";
2447
2448 $TICK_WATCHER->start;
2375 }; 2449 };
2376 2450
2377 if ($@) { 2451 if ($@) {
2378 warn $@; 2452 warn $@;
2379 warn "error while reloading, exiting."; 2453 warn "error while reloading, exiting.";
2381 } 2455 }
2382 2456
2383 warn "reloaded"; 2457 warn "reloaded";
2384}; 2458};
2385 2459
2386############################################################################# 2460our $RELOAD_WATCHER; # used only during reload
2387
2388unless ($LINK_MAP) {
2389 $LINK_MAP = cf::map::new;
2390
2391 $LINK_MAP->width (41);
2392 $LINK_MAP->height (41);
2393 $LINK_MAP->alloc;
2394 $LINK_MAP->path ("{link}");
2395 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398 # dirty hack because... archetypes are not yet loaded
2399 Event->timer (
2400 after => 10,
2401 cb => sub {
2402 $_[0]->w->cancel;
2403
2404 # provide some exits "home"
2405 my $exit = cf::object::new "exit";
2406
2407 $exit->slaying ($EMERGENCY_POSITION->[0]);
2408 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411 $LINK_MAP->insert ($exit->clone, 19, 19);
2412 $LINK_MAP->insert ($exit->clone, 19, 20);
2413 $LINK_MAP->insert ($exit->clone, 19, 21);
2414 $LINK_MAP->insert ($exit->clone, 20, 19);
2415 $LINK_MAP->insert ($exit->clone, 20, 21);
2416 $LINK_MAP->insert ($exit->clone, 21, 19);
2417 $LINK_MAP->insert ($exit->clone, 21, 20);
2418 $LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420 $exit->destroy;
2421 });
2422
2423 $LINK_MAP->{deny_save} = 1;
2424 $LINK_MAP->{deny_reset} = 1;
2425
2426 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427}
2428 2461
2429register_command "reload" => sub { 2462register_command "reload" => sub {
2430 my ($who, $arg) = @_; 2463 my ($who, $arg) = @_;
2431 2464
2432 if ($who->flag (FLAG_WIZ)) { 2465 if ($who->flag (FLAG_WIZ)) {
2433 $who->message ("start of reload."); 2466 $who->message ("reloading server.");
2467
2468 # doing reload synchronously and two reloads happen back-to-back,
2469 # coro crashes during coro_state_free->destroy here.
2470
2471 $RELOAD_WATCHER ||= Event->timer (
2472 reentrant => 0,
2473 after => 0,
2474 data => WF_AUTOCANCEL,
2475 cb => sub {
2434 reload; 2476 reload;
2435 $who->message ("end of reload."); 2477 undef $RELOAD_WATCHER;
2478 },
2479 );
2436 } 2480 }
2437}; 2481};
2438 2482
2439unshift @INC, $LIBDIR; 2483unshift @INC, $LIBDIR;
2484
2485my $bug_warning = 0;
2440 2486
2441$TICK_WATCHER = Event->timer ( 2487$TICK_WATCHER = Event->timer (
2442 reentrant => 0, 2488 reentrant => 0,
2489 parked => 1,
2443 prio => 0, 2490 prio => 0,
2444 at => $NEXT_TICK || $TICK, 2491 at => $NEXT_TICK || $TICK,
2445 data => WF_AUTOCANCEL, 2492 data => WF_AUTOCANCEL,
2446 cb => sub { 2493 cb => sub {
2494 if ($Coro::current != $Coro::main) {
2495 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2496 unless ++$bug_warning > 10;
2497 return;
2498 }
2499
2500 $NOW = Event::time;
2501
2447 cf::server_tick; # one server iteration 2502 cf::server_tick; # one server iteration
2448 $RUNTIME += $TICK; 2503 $RUNTIME += $TICK;
2449 $NEXT_TICK += $TICK; 2504 $NEXT_TICK += $TICK;
2450 2505
2451 $WAIT_FOR_TICK->broadcast; 2506 $WAIT_FOR_TICK->broadcast;
2452 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2507 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2508
2509 Event::sweep;
2510 Coro::cede_notself;
2511
2512# my $AFTER = Event::time;
2513# warn $AFTER - $NOW;#d#
2453 2514
2454 # if we are delayed by four ticks or more, skip them all 2515 # if we are delayed by four ticks or more, skip them all
2455 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2516 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2456 2517
2457 $TICK_WATCHER->at ($NEXT_TICK); 2518 $TICK_WATCHER->at ($NEXT_TICK);
2458 $TICK_WATCHER->start; 2519 $TICK_WATCHER->start;
2459 }, 2520 },
2460); 2521);
2461 2522
2462IO::AIO::max_poll_time $TICK * 0.2; 2523IO::AIO::max_poll_time $TICK * 0.1;
2463 2524
2464Event->io ( 2525undef $Coro::AIO::WATCHER;
2526$AIO_POLL_WATCHER = Event->io (
2527 reentrant => 0,
2465 fd => IO::AIO::poll_fileno, 2528 fd => IO::AIO::poll_fileno,
2466 poll => 'r', 2529 poll => 'r',
2467 prio => 5, 2530 prio => 6,
2468 data => WF_AUTOCANCEL, 2531 data => WF_AUTOCANCEL,
2469 cb => \&IO::AIO::poll_cb, 2532 cb => \&IO::AIO::poll_cb,
2470); 2533);
2471 2534
2472Event->timer ( 2535$WRITE_RUNTIME_WATCHER = Event->timer (
2536 reentrant => 0,
2473 data => WF_AUTOCANCEL, 2537 data => WF_AUTOCANCEL,
2474 after => 0, 2538 after => 1,
2475 interval => 10, 2539 interval => 10,
2476 cb => sub { 2540 prio => 6, # keep it lowest so it acts like a watchdog
2477 (Coro::unblock_sub { 2541 cb => Coro::unblock_sub {
2478 write_runtime 2542 write_runtime
2479 or warn "ERROR: unable to write runtime file: $!"; 2543 or warn "ERROR: unable to write runtime file: $!";
2480 })->();
2481 }, 2544 },
2482); 2545);
2483 2546
2484END { cf::emergency_save } 2547END { cf::emergency_save }
2485 2548

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