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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.203 by root, Thu Feb 1 19:40:42 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;
44our @EVENT; 44our @EVENT;
45our $LIBDIR = datadir . "/ext"; 45our $LIBDIR = datadir . "/ext";
46 46
47our $TICK = MAX_TIME * 1e-6; 47our $TICK = MAX_TIME * 1e-6;
48our $TICK_WATCHER; 48our $TICK_WATCHER;
49our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER;
49our $NEXT_TICK; 51our $NEXT_TICK;
50our $NOW; 52our $NOW;
51 53
52our %CFG; 54our %CFG;
53 55
54our $UPTIME; $UPTIME ||= time; 56our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 57our $RUNTIME;
56 58
57our %PLAYER; # all users 59our %PLAYER; # all users
58our %MAP; # all maps 60our %MAP; # all maps
59our $LINK_MAP; # the special {link} map 61our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random"; 62our $RANDOM_MAPS = cf::localdir . "/random";
61 63
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63our $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
64 69
65binmode STDOUT; 70binmode STDOUT;
66binmode STDERR; 71binmode STDERR;
67 72
68# read virtual server time, if available 73# read virtual server time, if available
76mkdir cf::localdir . "/" . cf::playerdir; 81mkdir cf::localdir . "/" . cf::playerdir;
77mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
78mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
79mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
80 85
81# a special map that is always available
82our $LINK_MAP;
83our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
87
88sub cf::map::normalise;
84 89
85############################################################################# 90#############################################################################
86 91
87=head2 GLOBAL VARIABLES 92=head2 GLOBAL VARIABLES
88 93
256} 261}
257 262
258sub freeze_mainloop { 263sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active; 264 return unless $TICK_WATCHER->is_active;
260 265
261 my $guard = Coro::guard { $TICK_WATCHER->start }; 266 my $guard = Coro::guard {
267 $TICK_WATCHER->start;
268 $WRITE_RUNTIME_WATCHER->start;
269 };
270 $WRITE_RUNTIME_WATCHER->stop;
262 $TICK_WATCHER->stop; 271 $TICK_WATCHER->stop;
263 $guard 272 $guard
264} 273}
265 274
266=item cf::async { BLOCK } 275=item cf::async { BLOCK }
342 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
343 352
344 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345 or return; 354 or return;
346 355
356 my $value = $cf::RUNTIME + 90 + 10;
347 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359
348 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
349 and return; 361 and return;
350 362
351 aio_fsync $fh 363 aio_fsync $fh
352 and return; 364 and return;
361} 373}
362 374
363=back 375=back
364 376
365=cut 377=cut
366
367#############################################################################
368
369package cf::path;
370
371use overload
372 '""' => \&as_string;
373
374# used to convert map paths into valid unix filenames by repalcing / by ∕
375our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377sub register {
378 my ($pkg, $prefix) = @_;
379
380 $EXT_MAP{$prefix} = $pkg;
381}
382
383sub new {
384 my ($class, $path, $base) = @_;
385
386 return $path if ref $path;
387
388 my $self = {};
389
390 # {... are special paths that are not being touched
391 # ?xxx/... are special absolute paths
392 # ?random/... random maps
393 # /! non-realised random map exit
394 # /... normal maps
395 # ~/... per-player maps without a specific player (DO NOT USE)
396 # ~user/... per-player map of a specific user
397
398 $path =~ s/$PATH_SEP/\//go;
399
400 if ($path =~ /^{/) {
401 # fine as it is
402 } else {
403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
405 $self->{user_rel} = 1;
406
407 if (defined $1) {
408 $self->{user} = $1;
409 } elsif ($base =~ m{^~([^/]+)/}) {
410 $self->{user} = $1;
411 } else {
412 warn "cannot resolve user-relative path without user <$path,$base>\n";
413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
420 } elsif ($path =~ /^\//) {
421 # /...
422 # already absolute
423 } else {
424 # relative
425 $base =~ s{[^/]+/?$}{};
426 return $class->new ("$base/$path");
427 }
428
429 for ($path) {
430 redo if s{/\.?/}{/};
431 redo if s{/[^/]+/\.\./}{/};
432 }
433 }
434
435 $self->{path} = $path;
436
437 if ("HASH" eq ref $self) {
438 bless $self, $class;
439 } else {
440 $self->init;
441 }
442
443 for my $ext (values %EXT_MAP) {
444 if (my $subst = $ext->substitute ($self)) {
445 return $subst;
446 }
447 }
448
449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
458}
459
460# the name / primary key / in-game path
461sub as_string {
462 my ($self) = @_;
463
464 $self->{user_rel} ? "~$self->{user}$self->{path}"
465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
466 : $self->{path}
467}
468
469# the displayed name, this is a one way mapping
470sub visible_name {
471 &as_string
472}
473
474# escape the /'s in the path
475sub _escaped_path {
476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478 $path
479}
480
481# the original (read-only) location
482sub load_path {
483 my ($self) = @_;
484
485 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486}
487
488# the temporary/swap location
489sub save_path {
490 my ($self) = @_;
491
492 $self->{user_rel}
493 ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495}
496
497# the unique path, undef == no special unique path
498sub uniq_path {
499 my ($self) = @_;
500
501 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502}
503
504# this is somewhat ugly, but style maps do need special treatment
505sub is_style_map {
506 $_[0]{path} =~ m{^/styles/}
507}
508
509sub load_orig {
510 my ($self) = @_;
511
512 &cf::map::load_map_header ($self->load_path)
513}
514
515sub load_temp {
516 my ($self) = @_;
517
518 &cf::map::load_map_header ($self->save_path)
519}
520
521package cf;
522 378
523############################################################################# 379#############################################################################
524 380
525=head2 ATTACHABLE OBJECTS 381=head2 ATTACHABLE OBJECTS
526 382
652our @CB_TYPE = (); # registry for type (cf-object class) based events 508our @CB_TYPE = (); # registry for type (cf-object class) based events
653our @CB_MAP = (); 509our @CB_MAP = ();
654 510
655my %attachment; 511my %attachment;
656 512
513sub cf::attachable::thawer_merge {
514 # simply override everything except _meta
515 local $_[0]{_meta};
516 %{$_[0]} = %{$_[1]};
517}
518
657sub _attach_cb($$$$) { 519sub _attach_cb($$$$) {
658 my ($registry, $event, $prio, $cb) = @_; 520 my ($registry, $event, $prio, $cb) = @_;
659 521
660 use sort 'stable'; 522 use sort 'stable';
661 523
832# object support 694# object support
833 695
834sub reattach { 696sub reattach {
835 # basically do the same as instantiate, without calling instantiate 697 # basically do the same as instantiate, without calling instantiate
836 my ($obj) = @_; 698 my ($obj) = @_;
699
700 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837 701
838 my $registry = $obj->registry; 702 my $registry = $obj->registry;
839 703
840 @$registry = (); 704 @$registry = ();
841 705
912 } 776 }
913 } else { 777 } else {
914 aio_unlink $filename; 778 aio_unlink $filename;
915 aio_unlink "$filename.pst"; 779 aio_unlink "$filename.pst";
916 } 780 }
781
782 #d##TODO# nuke non .map-files if exist
783 if ($filename =~ s/\.map$//) {
784 aio_unlink $filename;
785 aio_unlink "$filename.pst";
786 }
917 } 787 }
918} 788}
919 789
920sub object_freezer_as_string { 790sub object_freezer_as_string {
921 my ($rdata, $objs) = @_; 791 my ($rdata, $objs) = @_;
927 797
928sub object_thawer_load { 798sub object_thawer_load {
929 my ($filename) = @_; 799 my ($filename) = @_;
930 800
931 my ($data, $av); 801 my ($data, $av);
802
803 #d#TODO remove .map if file does not exist
804 aio_stat $filename and $filename =~ s/\.map$//;
932 805
933 (aio_load $filename, $data) >= 0 806 (aio_load $filename, $data) >= 0
934 or return; 807 or return;
935 808
936 unless (aio_stat "$filename.pst") { 809 unless (aio_stat "$filename.pst") {
1028 "package $pkg; use strict; use utf8;\n" 901 "package $pkg; use strict; use utf8;\n"
1029 . "#line 1 \"$path\"\n{\n" 902 . "#line 1 \"$path\"\n{\n"
1030 . (do { local $/; <$fh> }) 903 . (do { local $/; <$fh> })
1031 . "\n};\n1"; 904 . "\n};\n1";
1032 905
1033 eval $source 906 unless (eval $source) {
1034 or die $@ ? "$path: $@\n" 907 my $msg = $@ ? "$path: $@\n"
1035 : "extension disabled.\n"; 908 : "extension disabled.\n";
909 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910 warn $@;
911 warn "mandatory extension failed to load, exiting.\n";
912 exit 1;
913 }
914 die $@;
915 }
1036 916
1037 push @EXTS, $pkg; 917 push @EXTS, $pkg;
1038} 918}
1039 919
1040sub load_extensions { 920sub load_extensions {
1046 } or warn "$ext not loaded: $@"; 926 } or warn "$ext not loaded: $@";
1047 } 927 }
1048} 928}
1049 929
1050############################################################################# 930#############################################################################
1051# load/save/clean perl data associated with a map
1052
1053*cf::mapsupport::on_clean = sub {
1054 my ($map) = @_;
1055
1056 my $path = $map->tmpname;
1057 defined $path or return;
1058
1059 unlink "$path.pst";
1060};
1061
1062cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064#############################################################################
1065 931
1066=head2 CORE EXTENSIONS 932=head2 CORE EXTENSIONS
1067 933
1068Functions and methods that extend core crossfire objects. 934Functions and methods that extend core crossfire objects.
1069 935
1105 971
1106sub exists($) { 972sub exists($) {
1107 my ($login) = @_; 973 my ($login) = @_;
1108 974
1109 $cf::PLAYER{$login} 975 $cf::PLAYER{$login}
1110 or cf::sync_job { !aio_stat $login } 976 or cf::sync_job { !aio_stat path $login }
1111} 977}
1112 978
1113sub find($) { 979sub find($) {
1114 return $cf::PLAYER{$_[0]} || do { 980 return $cf::PLAYER{$_[0]} || do {
1115 my $login = $_[0]; 981 my $login = $_[0];
1205 \@logins 1071 \@logins
1206} 1072}
1207 1073
1208=item $player->maps 1074=item $player->maps
1209 1075
1210Returns an arrayref of cf::path's of all maps that are private for this 1076Returns an arrayref of map paths that are private for this
1211player. May block. 1077player. May block.
1212 1078
1213=cut 1079=cut
1214 1080
1215sub maps($) { 1081sub maps($) {
1216 my ($pl) = @_; 1082 my ($pl) = @_;
1083
1084 $pl = ref $pl ? $pl->ob->name : $pl;
1217 1085
1218 my $files = aio_readdir playerdir $pl 1086 my $files = aio_readdir playerdir $pl
1219 or return; 1087 or return;
1220 1088
1221 my @paths; 1089 my @paths;
1223 for (@$files) { 1091 for (@$files) {
1224 utf8::decode $_; 1092 utf8::decode $_;
1225 next if /\.(?:pl|pst)$/; 1093 next if /\.(?:pl|pst)$/;
1226 next unless /^$PATH_SEP/o; 1094 next unless /^$PATH_SEP/o;
1227 1095
1228 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1096 push @paths, cf::map::normalise "~$pl/$_";
1229 } 1097 }
1230 1098
1231 \@paths 1099 \@paths
1232} 1100}
1233 1101
1259package cf::map; 1127package cf::map;
1260 1128
1261use Fcntl; 1129use Fcntl;
1262use Coro::AIO; 1130use Coro::AIO;
1263 1131
1132use overload
1133 '""' => \&as_string,
1134 fallback => 1;
1135
1264our $MAX_RESET = 3600; 1136our $MAX_RESET = 3600;
1265our $DEFAULT_RESET = 3000; 1137our $DEFAULT_RESET = 3000;
1266 1138
1267sub generate_random_map { 1139sub generate_random_map {
1268 my ($path, $rmp) = @_; 1140 my ($self, $rmp) = @_;
1269
1270 # mit "rum" bekleckern, nicht 1141 # mit "rum" bekleckern, nicht
1271 cf::map::_create_random_map ( 1142 $self->_create_random_map (
1272 $path,
1273 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1143 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1144 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1145 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276 $rmp->{exit_on_final_map}, 1146 $rmp->{exit_on_final_map},
1277 $rmp->{xsize}, $rmp->{ysize}, 1147 $rmp->{xsize}, $rmp->{ysize},
1282 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1152 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283 (cf::region::find $rmp->{region}), $rmp->{custom} 1153 (cf::region::find $rmp->{region}), $rmp->{custom}
1284 ) 1154 )
1285} 1155}
1286 1156
1157=item cf::map->register ($regex, $prio)
1158
1159Register a handler for the map path matching the given regex at the
1160givne priority (higher is better, built-in handlers have priority 0, the
1161default).
1162
1163=cut
1164
1165sub register {
1166 my (undef, $regex, $prio) = @_;
1167 my $pkg = caller;
1168
1169 no strict;
1170 push @{"$pkg\::ISA"}, __PACKAGE__;
1171
1172 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173}
1174
1175# also paths starting with '/'
1176$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1177
1178sub thawer_merge {
1179 my ($self, $merge) = @_;
1180
1181 # we have to keep some variables in memory intact
1182 local $self->{path};
1183 local $self->{load_path};
1184 local $self->{deny_save};
1185 local $self->{deny_reset};
1186
1187 $self->SUPER::thawer_merge ($merge);
1188}
1189
1190sub normalise {
1191 my ($path, $base) = @_;
1192
1193 $path = "$path"; # make sure its a string
1194
1195 $path =~ s/\.map$//;
1196
1197 # map plan:
1198 #
1199 # /! non-realised random map exit (special hack!)
1200 # {... are special paths that are not being touched
1201 # ?xxx/... are special absolute paths
1202 # ?random/... random maps
1203 # /... normal maps
1204 # ~user/... per-player map of a specific user
1205
1206 $path =~ s/$PATH_SEP/\//go;
1207
1208 # treat it as relative path if it starts with
1209 # something that looks reasonable
1210 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1211 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1212
1213 $base =~ s{[^/]+/?$}{};
1214 $path = "$base/$path";
1215 }
1216
1217 for ($path) {
1218 redo if s{//}{/};
1219 redo if s{/\.?/}{/};
1220 redo if s{/[^/]+/\.\./}{/};
1221 }
1222
1223 $path
1224}
1225
1226sub new_from_path {
1227 my (undef, $path, $base) = @_;
1228
1229 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1230
1231 $path = normalise $path, $base;
1232
1233 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1234 if ($path =~ $EXT_MAP{$pkg}[1]) {
1235 my $self = bless cf::map::new, $pkg;
1236 $self->{path} = $path; $self->path ($path);
1237 $self->init; # pass $1 etc.
1238 return $self;
1239 }
1240 }
1241
1242 Carp::carp "unable to resolve path '$path' (base '$base').";
1243 ()
1244}
1245
1246sub init {
1247 my ($self) = @_;
1248
1249 $self
1250}
1251
1252sub as_string {
1253 my ($self) = @_;
1254
1255 "$self->{path}"
1256}
1257
1258# the displayed name, this is a one way mapping
1259sub visible_name {
1260 &as_string
1261}
1262
1263# the original (read-only) location
1264sub load_path {
1265 my ($self) = @_;
1266
1267 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1268}
1269
1270# the temporary/swap location
1271sub save_path {
1272 my ($self) = @_;
1273
1274 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1276}
1277
1278# the unique path, undef == no special unique path
1279sub uniq_path {
1280 my ($self) = @_;
1281
1282 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1284}
1285
1287# and all this just because we cannot iterate over 1286# and all this just because we cannot iterate over
1288# all maps in C++... 1287# all maps in C++...
1289sub change_all_map_light { 1288sub change_all_map_light {
1290 my ($change) = @_; 1289 my ($change) = @_;
1291 1290
1292 $_->change_map_light ($change) 1291 $_->change_map_light ($change)
1293 for grep $_->outdoor, values %cf::MAP; 1292 for grep $_->outdoor, values %cf::MAP;
1294} 1293}
1295 1294
1295sub unlink_save {
1296 my ($self) = @_;
1297
1298 utf8::encode (my $save = $self->save_path);
1299 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302 #d#TODO remove .map and also nuke
1303 $save =~ s/\.map// or return;#d#
1304 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306}
1307
1296sub load_map_header($) { 1308sub load_header_from($) {
1297 my ($path) = @_; 1309 my ($self, $path) = @_;
1298 1310
1299 utf8::encode $path; 1311 utf8::encode $path;
1300 aio_open $path, O_RDONLY, 0 1312 #aio_open $path, O_RDONLY, 0
1313 # or return;
1314
1315 $self->_load_header ($path)
1301 or return; 1316 or return;
1302 1317
1303 my $map = cf::map::new 1318 $self->{load_path} = $path;
1319
1320 1
1321}
1322
1323sub load_header_orig {
1324 my ($self) = @_;
1325
1326 $self->load_header_from ($self->load_path)
1327}
1328
1329sub load_header_temp {
1330 my ($self) = @_;
1331
1332 $self->load_header_from ($self->save_path)
1333}
1334
1335sub prepare_temp {
1336 my ($self) = @_;
1337
1338 $self->last_access ((delete $self->{last_access})
1339 || $cf::RUNTIME); #d#
1340 # safety
1341 $self->{instantiate_time} = $cf::RUNTIME
1342 if $self->{instantiate_time} > $cf::RUNTIME;
1343}
1344
1345sub prepare_orig {
1346 my ($self) = @_;
1347
1348 $self->{load_original} = 1;
1349 $self->{instantiate_time} = $cf::RUNTIME;
1350 $self->last_access ($cf::RUNTIME);
1351 $self->instantiate;
1352}
1353
1354sub load_header {
1355 my ($self) = @_;
1356
1357 if ($self->load_header_temp) {
1358 $self->prepare_temp;
1359 } else {
1360 $self->load_header_orig
1304 or return; 1361 or return;
1362 $self->prepare_orig;
1363 }
1305 1364
1306 # for better error messages only, will be overwritten later 1365 1
1307 $map->path ($path);
1308
1309 $map->load_header ($path)
1310 or return;
1311
1312 $map->{load_path} = $path;
1313
1314 $map
1315} 1366}
1316 1367
1317sub find; 1368sub find;
1318sub find { 1369sub find {
1319 my ($path, $origin) = @_; 1370 my ($path, $origin) = @_;
1320 1371
1321 #warn "find<$path,$origin>\n";#d#
1322
1323 $path = new cf::path $path, $origin && $origin->path; 1372 $path = normalise $path, $origin && $origin->path;
1324 my $key = $path->as_string;
1325 1373
1326 cf::lock_wait "map_find:$key"; 1374 cf::lock_wait "map_find:$path";
1327 1375
1328 $cf::MAP{$key} || do { 1376 $cf::MAP{$path} || do {
1329 my $guard = cf::lock_acquire "map_find:$key"; 1377 my $guard = cf::lock_acquire "map_find:$path";
1330 1378 my $map = new_from_path cf::map $path
1331 # do it the slow way
1332 my $map = $path->load_temp;
1333
1334 Coro::cede;
1335
1336 if ($map) {
1337 $map->last_access ((delete $map->{last_access})
1338 || $cf::RUNTIME); #d#
1339 # safety
1340 $map->{instantiate_time} = $cf::RUNTIME
1341 if $map->{instantiate_time} > $cf::RUNTIME;
1342 } else {
1343 $map = $path->load_orig
1344 or return; 1379 or return;
1345 1380
1346 $map->{load_original} = 1;
1347 $map->{instantiate_time} = $cf::RUNTIME;
1348 $map->last_access ($cf::RUNTIME);
1349 $map->instantiate;
1350
1351 # per-player maps become, after loading, normal maps
1352 $map->per_player (0) if $path->{user_rel};
1353 }
1354
1355 $map->path ($key);
1356 $map->{path} = $path;
1357 $map->{last_save} = $cf::RUNTIME; 1381 $map->{last_save} = $cf::RUNTIME;
1358 1382
1359 Coro::cede; 1383 $map->load_header
1384 or return;
1360 1385
1361 if ($map->should_reset) { 1386 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1387 # doing this can freeze the server in a sync job, obviously
1388 #$cf::WAIT_FOR_TICK->wait;
1362 $map->reset; 1389 $map->reset;
1363 undef $guard; 1390 undef $guard;
1364 $map = find $path 1391 return find $path;
1365 or return;
1366 } 1392 }
1367 1393
1368 $cf::MAP{$key} = $map 1394 $cf::MAP{$path} = $map
1369 } 1395 }
1370} 1396}
1397
1398sub pre_load { }
1399sub post_load { }
1371 1400
1372sub load { 1401sub load {
1373 my ($self) = @_; 1402 my ($self) = @_;
1374 1403
1404 local $self->{deny_reset} = 1; # loading can take a long time
1405
1375 my $path = $self->{path}; 1406 my $path = $self->{path};
1376 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1407 my $guard = cf::lock_acquire "map_load:$path";
1377 1408
1378 return if $self->in_memory != cf::MAP_SWAPPED; 1409 return if $self->in_memory != cf::MAP_SWAPPED;
1379 1410
1380 $self->in_memory (cf::MAP_LOADING); 1411 $self->in_memory (cf::MAP_LOADING);
1381 1412
1382 $self->alloc; 1413 $self->alloc;
1414
1415 $self->pre_load;
1416
1383 $self->load_objects ($self->{load_path}, 1) 1417 $self->_load_objects ($self->{load_path}, 1)
1384 or return; 1418 or return;
1385 1419
1386 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1420 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387 if delete $self->{load_original}; 1421 if delete $self->{load_original};
1388 1422
1389 if (my $uniq = $path->uniq_path) { 1423 if (my $uniq = $self->uniq_path) {
1390 utf8::encode $uniq; 1424 utf8::encode $uniq;
1391 if (aio_open $uniq, O_RDONLY, 0) { 1425 if (aio_open $uniq, O_RDONLY, 0) {
1392 $self->clear_unique_items; 1426 $self->clear_unique_items;
1393 $self->load_objects ($uniq, 0); 1427 $self->_load_objects ($uniq, 0);
1394 } 1428 }
1395 } 1429 }
1396 1430
1397 Coro::cede; 1431 Coro::cede;
1398 1432
1399 # now do the right thing for maps 1433 # now do the right thing for maps
1400 $self->link_multipart_objects; 1434 $self->link_multipart_objects;
1401 1435
1402 if ($self->{path}->is_style_map) { 1436 unless ($self->{deny_activate}) {
1403 $self->{deny_save} = 1; 1437 $self->decay_objects;
1404 $self->{deny_reset} = 1;
1405 } else {
1406 $self->fix_auto_apply; 1438 $self->fix_auto_apply;
1407 $self->decay_objects;
1408 $self->update_buttons; 1439 $self->update_buttons;
1440 Coro::cede;
1409 $self->set_darkness_map; 1441 $self->set_darkness_map;
1410 $self->difficulty ($self->estimate_difficulty) 1442 $self->difficulty ($self->estimate_difficulty)
1411 unless $self->difficulty; 1443 unless $self->difficulty;
1444 Coro::cede;
1412 $self->activate; 1445 $self->activate;
1413 } 1446 }
1414 1447
1415 Coro::cede; 1448 $self->post_load;
1416 1449
1417 $self->in_memory (cf::MAP_IN_MEMORY); 1450 $self->in_memory (cf::MAP_IN_MEMORY);
1451}
1452
1453sub customise_for {
1454 my ($self, $ob) = @_;
1455
1456 return find "~" . $ob->name . "/" . $self->{path}
1457 if $self->per_player;
1458
1459 $self
1418} 1460}
1419 1461
1420# find and load all maps in the 3x3 area around a map 1462# find and load all maps in the 3x3 area around a map
1421sub load_diag { 1463sub load_diag {
1422 my ($map) = @_; 1464 my ($map) = @_;
1452 1494
1453 cf::sync_job { $map->load }; 1495 cf::sync_job { $map->load };
1454} 1496}
1455 1497
1456our %MAP_PREFETCH; 1498our %MAP_PREFETCH;
1457our $MAP_PREFETCHER = Coro::async { 1499our $MAP_PREFETCHER = undef;
1458 while () {
1459 while (%MAP_PREFETCH) {
1460 my $key = each %MAP_PREFETCH
1461 or next;
1462 my $path = delete $MAP_PREFETCH{$key};
1463
1464 my $map = find $path
1465 or next;
1466 $map->load;
1467 }
1468 Coro::schedule;
1469 }
1470};
1471 1500
1472sub find_async { 1501sub find_async {
1473 my ($path, $origin) = @_; 1502 my ($path, $origin) = @_;
1474 1503
1475 $path = new cf::path $path, $origin && $origin->path; 1504 $path = normalise $path, $origin && $origin->{path};
1476 my $key = $path->as_string;
1477 1505
1478 if (my $map = $cf::MAP{$key}) { 1506 if (my $map = $cf::MAP{$path}) {
1479 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480 } 1508 }
1481 1509
1482 $MAP_PREFETCH{$key} = $path; 1510 undef $MAP_PREFETCH{$path};
1511 $MAP_PREFETCHER ||= cf::async {
1512 while (%MAP_PREFETCH) {
1513 for my $path (keys %MAP_PREFETCH) {
1514 my $map = find $path
1515 or next;
1516 $map->load;
1517
1518 delete $MAP_PREFETCH{$path};
1519 }
1520 }
1521 undef $MAP_PREFETCHER;
1522 };
1483 $MAP_PREFETCHER->ready; 1523 $MAP_PREFETCHER->prio (6);
1484 1524
1485 () 1525 ()
1486} 1526}
1487 1527
1488sub save { 1528sub save {
1492 1532
1493 $self->{last_save} = $cf::RUNTIME; 1533 $self->{last_save} = $cf::RUNTIME;
1494 1534
1495 return unless $self->dirty; 1535 return unless $self->dirty;
1496 1536
1497 my $save = $self->{path}->save_path; utf8::encode $save; 1537 my $save = $self->save_path; utf8::encode $save;
1498 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1538 my $uniq = $self->uniq_path; utf8::encode $uniq;
1499 1539
1500 $self->{load_path} = $save; 1540 $self->{load_path} = $save;
1501 1541
1502 return if $self->{deny_save}; 1542 return if $self->{deny_save};
1503 1543
1506 cf::async { 1546 cf::async {
1507 $_->contr->save for $self->players; 1547 $_->contr->save for $self->players;
1508 }; 1548 };
1509 1549
1510 if ($uniq) { 1550 if ($uniq) {
1511 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1551 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512 $self->save_objects ($uniq, cf::IO_UNIQUES); 1552 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1513 } else { 1553 } else {
1514 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1554 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515 } 1555 }
1516} 1556}
1517 1557
1518sub swap_out { 1558sub swap_out {
1519 my ($self) = @_; 1559 my ($self) = @_;
1533 1573
1534sub reset_at { 1574sub reset_at {
1535 my ($self) = @_; 1575 my ($self) = @_;
1536 1576
1537 # TODO: safety, remove and allow resettable per-player maps 1577 # TODO: safety, remove and allow resettable per-player maps
1538 return 1e99 if $self->{path}{user_rel}; 1578 return 1e99 if $self->isa ("ext::map_per_player");#d#
1539 return 1e99 if $self->{deny_reset}; 1579 return 1e99 if $self->{deny_reset};
1540 1580
1541 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1581 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1582 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543 1583
1548 my ($self) = @_; 1588 my ($self) = @_;
1549 1589
1550 $self->reset_at <= $cf::RUNTIME 1590 $self->reset_at <= $cf::RUNTIME
1551} 1591}
1552 1592
1553sub unlink_save {
1554 my ($self) = @_;
1555
1556 utf8::encode (my $save = $self->{path}->save_path);
1557 aioreq_pri 3; IO::AIO::aio_unlink $save;
1558 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559}
1560
1561sub rename {
1562 my ($self, $new_path) = @_;
1563
1564 $self->unlink_save;
1565
1566 delete $cf::MAP{$self->path};
1567 $self->{path} = new cf::path $new_path;
1568 $self->path ($self->{path}->as_string);
1569 $cf::MAP{$self->path} = $self;
1570
1571 $self->save;
1572}
1573
1574sub reset { 1593sub reset {
1575 my ($self) = @_; 1594 my ($self) = @_;
1576 1595
1577 my $lock = cf::lock_acquire "map_data:" . $self->path; 1596 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 1597
1579 return if $self->players; 1598 return if $self->players;
1580 return if $self->{path}{user_rel};#d# 1599 return if $self->isa ("ext::map_per_player");#d#
1581 1600
1582 warn "resetting map ", $self->path;#d# 1601 warn "resetting map ", $self->path;#d#
1583 1602
1584 delete $cf::MAP{$self->path}; 1603 delete $cf::MAP{$self->path};
1604
1605 $self->in_memory (cf::MAP_SWAPPED);
1606 $self->clear;
1585 1607
1586 $_->clear_links_to ($self) for values %cf::MAP; 1608 $_->clear_links_to ($self) for values %cf::MAP;
1587 1609
1588 $self->unlink_save; 1610 $self->unlink_save;
1589 $self->destroy; 1611 $self->destroy;
1592my $nuke_counter = "aaaa"; 1614my $nuke_counter = "aaaa";
1593 1615
1594sub nuke { 1616sub nuke {
1595 my ($self) = @_; 1617 my ($self) = @_;
1596 1618
1619 delete $cf::MAP{$self->path};
1620
1621 $self->unlink_save;
1622
1623 bless $self, "cf::map";
1624 delete $self->{deny_reset};
1597 $self->{deny_save} = 1; 1625 $self->{deny_save} = 1;
1598 $self->reset_timeout (1); 1626 $self->reset_timeout (1);
1599 $self->rename ("{nuke}/" . ($nuke_counter++)); 1627 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628
1629 $cf::MAP{$self->path} = $self;
1630
1600 $self->reset; # polite request, might not happen 1631 $self->reset; # polite request, might not happen
1601} 1632}
1602 1633
1603sub customise_for {
1604 my ($map, $ob) = @_;
1605
1606 if ($map->per_player) {
1607 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608 }
1609
1610 $map
1611}
1612
1613=item cf::map::unique_maps 1634=item cf::map::unique_maps
1614 1635
1615Returns an arrayref of cf::path's of all shared maps that have 1636Returns an arrayref of paths of all shared maps that have
1616instantiated unique items. May block. 1637instantiated unique items. May block.
1617 1638
1618=cut 1639=cut
1619 1640
1620sub unique_maps() { 1641sub unique_maps() {
1626 for (@$files) { 1647 for (@$files) {
1627 utf8::decode $_; 1648 utf8::decode $_;
1628 next if /\.pst$/; 1649 next if /\.pst$/;
1629 next unless /^$PATH_SEP/o; 1650 next unless /^$PATH_SEP/o;
1630 1651
1631 push @paths, new cf::path $_; 1652 push @paths, cf::map::normalise $_;
1632 } 1653 }
1633 1654
1634 \@paths 1655 \@paths
1635} 1656}
1636 1657
1711 1732
1712=item $player_object->enter_link 1733=item $player_object->enter_link
1713 1734
1714Freezes the player and moves him/her to a special map (C<{link}>). 1735Freezes the player and moves him/her to a special map (C<{link}>).
1715 1736
1716The player should be reaosnably safe there for short amounts of time. You 1737The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 1738I<MUST> call C<leave_link> as soon as possible, though.
1718 1739
1740Will never block.
1741
1719=item $player_object->leave_link ($map, $x, $y) 1742=item $player_object->leave_link ($map, $x, $y)
1720 1743
1721Moves the player out of the specila link map onto the given map. If the 1744Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 1745map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 1746to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 1747fails, to the emergency map position.
1725 1748
1726Might block. 1749Might block.
1727 1750
1728=cut 1751=cut
1752
1753sub link_map {
1754 unless ($LINK_MAP) {
1755 $LINK_MAP = cf::map::find "{link}"
1756 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1757 $LINK_MAP->load;
1758 }
1759
1760 $LINK_MAP
1761}
1729 1762
1730sub cf::object::player::enter_link { 1763sub cf::object::player::enter_link {
1731 my ($self) = @_; 1764 my ($self) = @_;
1732 1765
1733 $self->deactivate_recursive; 1766 $self->deactivate_recursive;
1734 1767
1735 return if $self->map == $LINK_MAP; 1768 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1769
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1770 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1771 if $self->map;
1739 1772
1740 $self->enter_map ($LINK_MAP, 20, 20); 1773 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 1774}
1742 1775
1743sub cf::object::player::leave_link { 1776sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1777 my ($self, $map, $x, $y) = @_;
1745 1778
1809=cut 1842=cut
1810 1843
1811sub cf::object::player::goto { 1844sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1845 my ($self, $path, $x, $y) = @_;
1813 1846
1814 $path = new cf::path $path;
1815
1816 $self->enter_link; 1847 $self->enter_link;
1817 1848
1818 (async { 1849 (async {
1850 my $map = eval {
1819 my $map = cf::map::find $path->as_string; 1851 my $map = cf::map::find $path;
1820 $map = $map->customise_for ($self) if $map; 1852 $map = $map->customise_for ($self) if $map;
1821 1853 $map
1822# warn "entering ", $map->path, " at ($x, $y)\n" 1854 } or
1823# if $map;
1824
1825 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1855 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1826 1856
1827 $self->leave_link ($map, $x, $y); 1857 $self->leave_link ($map, $x, $y);
1828 })->prio (1); 1858 })->prio (1);
1829} 1859}
1830 1860
1834 1864
1835sub parse_random_map_params { 1865sub parse_random_map_params {
1836 my ($spec) = @_; 1866 my ($spec) = @_;
1837 1867
1838 my $rmp = { # defaults 1868 my $rmp = { # defaults
1839 xsize => 10, 1869 xsize => (cf::rndm 15, 40),
1840 ysize => 10, 1870 ysize => (cf::rndm 15, 40),
1871 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1872 #layout => string,
1841 }; 1873 };
1842 1874
1843 for (split /\n/, $spec) { 1875 for (split /\n/, $spec) {
1844 my ($k, $v) = split /\s+/, $_, 2; 1876 my ($k, $v) = split /\s+/, $_, 2;
1845 1877
1849 $rmp 1881 $rmp
1850} 1882}
1851 1883
1852sub prepare_random_map { 1884sub prepare_random_map {
1853 my ($exit) = @_; 1885 my ($exit) = @_;
1886
1887 my $guard = cf::lock_acquire "exit_prepare:$exit";
1854 1888
1855 # all this does is basically replace the /! path by 1889 # all this does is basically replace the /! path by
1856 # a new random map path (?random/...) with a seed 1890 # a new random map path (?random/...) with a seed
1857 # that depends on the exit object 1891 # that depends on the exit object
1858 1892
1859 my $rmp = parse_random_map_params $exit->msg; 1893 my $rmp = parse_random_map_params $exit->msg;
1860 1894
1861 if ($exit->map) { 1895 if ($exit->map) {
1862 $rmp->{region} = $exit->map->region_name; 1896 $rmp->{region} = $exit->region->name;
1863 $rmp->{origin_map} = $exit->map->path; 1897 $rmp->{origin_map} = $exit->map->path;
1864 $rmp->{origin_x} = $exit->x; 1898 $rmp->{origin_x} = $exit->x;
1865 $rmp->{origin_y} = $exit->y; 1899 $rmp->{origin_y} = $exit->y;
1866 } 1900 }
1867 1901
1868 $rmp->{random_seed} ||= $exit->random_seed; 1902 $rmp->{random_seed} ||= $exit->random_seed;
1869 1903
1870 my $data = cf::to_json $rmp; 1904 my $data = cf::to_json $rmp;
1871 my $md5 = Digest::MD5::md5_hex $data; 1905 my $md5 = Digest::MD5::md5_hex $data;
1906 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872 1907
1873 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1908 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874 aio_write $fh, 0, (length $data), $data, 0; 1909 aio_write $fh, 0, (length $data), $data, 0;
1910 undef $fh;
1911 aio_rename "$meta~", $meta;
1875 1912
1876 $exit->slaying ("?random/$md5"); 1913 $exit->slaying ("?random/$md5");
1877 $exit->msg (undef); 1914 $exit->msg (undef);
1878 } 1915 }
1879} 1916}
1880 1917
1881sub cf::object::player::enter_exit { 1918sub cf::object::player::enter_exit {
1882 my ($self, $exit) = @_; 1919 my ($self, $exit) = @_;
1883 1920
1884 return unless $self->type == cf::PLAYER; 1921 return unless $self->type == cf::PLAYER;
1922
1923 if ($exit->slaying eq "/!") {
1924 #TODO: this should de-fi-ni-te-ly not be a sync-job
1925 cf::sync_job { prepare_random_map $exit };
1926 }
1927
1928 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929 my $hp = $exit->stats->hp;
1930 my $sp = $exit->stats->sp;
1885 1931
1886 $self->enter_link; 1932 $self->enter_link;
1887 1933
1888 (async { 1934 (async {
1889 $self->deactivate_recursive; # just to be sure 1935 $self->deactivate_recursive; # just to be sure
1890 unless (eval { 1936 unless (eval {
1891 prepare_random_map $exit 1937 $self->goto ($slaying, $hp, $sp);
1892 if $exit->slaying eq "/!";
1893
1894 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896 1938
1897 1; 1939 1;
1898 }) { 1940 }) {
1899 $self->message ("Something went wrong deep within the crossfire server. " 1941 $self->message ("Something went wrong deep within the crossfire server. "
1900 . "I'll try to bring you back to the map you were before. " 1942 . "I'll try to bring you back to the map you were before. "
1961 # get handled first 2003 # get handled first
1962 my $queue = delete $ns->{query_queue} 2004 my $queue = delete $ns->{query_queue}
1963 or return; # be conservative, not sure how that can happen, but we saw a crash here 2005 or return; # be conservative, not sure how that can happen, but we saw a crash here
1964 2006
1965 (shift @$queue)->[1]->($msg); 2007 (shift @$queue)->[1]->($msg);
2008 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966 2009
1967 push @{ $ns->{query_queue} }, @$queue; 2010 push @{ $ns->{query_queue} }, @$queue;
1968 2011
1969 if (@{ $ns->{query_queue} } == @$queue) { 2012 if (@{ $ns->{query_queue} } == @$queue) {
1970 if (@$queue) { 2013 if (@$queue) {
2189 sub db_sync() { 2232 sub db_sync() {
2190 db_save if $dirty; 2233 db_save if $dirty;
2191 undef $dirty; 2234 undef $dirty;
2192 } 2235 }
2193 2236
2194 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2237 my $idle = Event->idle (
2195 db_sync; 2238 reentrant => 0,
2239 min => 10,
2240 max => 20,
2241 repeat => 0,
2242 data => WF_AUTOCANCEL,
2243 cb => \&db_sync,
2196 }); 2244 );
2197 2245
2198 sub db_dirty() { 2246 sub db_dirty() {
2199 $dirty = 1; 2247 $dirty = 1;
2200 $idle->start; 2248 $idle->start;
2201 } 2249 }
2222 }, 2270 },
2223 ); 2271 );
2224} 2272}
2225 2273
2226############################################################################# 2274#############################################################################
2227# the server's main() 2275# the server's init and main functions
2276
2277sub load_resources {
2278 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2279 or die "unable to load regions file\n";#d#
2280}
2228 2281
2229sub cfg_load { 2282sub cfg_load {
2230 open my $fh, "<:utf8", cf::confdir . "/config" 2283 open my $fh, "<:utf8", cf::confdir . "/config"
2231 or return; 2284 or return;
2232 2285
2245 }; 2298 };
2246 warn $@ if $@; 2299 warn $@ if $@;
2247 } 2300 }
2248} 2301}
2249 2302
2303sub init {
2304 load_resources;
2305}
2306
2250sub main { 2307sub main {
2251 # we must not ever block the main coroutine 2308 # we must not ever block the main coroutine
2252 local $Coro::idle = sub { 2309 local $Coro::idle = sub {
2253 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2310 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2311 (async {
2254 async { Event::one_event }; 2312 Event::one_event;
2313 })->prio (Coro::PRIO_MAX);
2255 }; 2314 };
2256 2315
2257 cfg_load; 2316 cfg_load;
2258 db_load; 2317 db_load;
2259 load_extensions; 2318 load_extensions;
2319
2320 $TICK_WATCHER->start;
2260 Event::loop; 2321 Event::loop;
2261} 2322}
2262 2323
2263############################################################################# 2324#############################################################################
2264# initialisation and cleanup 2325# initialisation and cleanup
2265 2326
2266# install some emergency cleanup handlers 2327# install some emergency cleanup handlers
2267BEGIN { 2328BEGIN {
2268 for my $signal (qw(INT HUP TERM)) { 2329 for my $signal (qw(INT HUP TERM)) {
2269 Event->signal ( 2330 Event->signal (
2331 reentrant => 0,
2270 data => WF_AUTOCANCEL, 2332 data => WF_AUTOCANCEL,
2271 signal => $signal, 2333 signal => $signal,
2334 prio => 0,
2272 cb => sub { 2335 cb => sub {
2273 cf::cleanup "SIG$signal"; 2336 cf::cleanup "SIG$signal";
2274 }, 2337 },
2275 ); 2338 );
2276 } 2339 }
2277} 2340}
2282 warn "enter emergency perl save\n"; 2345 warn "enter emergency perl save\n";
2283 2346
2284 cf::sync_job { 2347 cf::sync_job {
2285 # use a peculiar iteration method to avoid tripping on perl 2348 # use a peculiar iteration method to avoid tripping on perl
2286 # refcount bugs in for. also avoids problems with players 2349 # refcount bugs in for. also avoids problems with players
2287 # and maps saved/Destroyed asynchronously. 2350 # and maps saved/destroyed asynchronously.
2288 warn "begin emergency player save\n"; 2351 warn "begin emergency player save\n";
2289 for my $login (keys %cf::PLAYER) { 2352 for my $login (keys %cf::PLAYER) {
2290 my $pl = $cf::PLAYER{$login} or next; 2353 my $pl = $cf::PLAYER{$login} or next;
2291 $pl->valid or next; 2354 $pl->valid or next;
2292 $pl->save; 2355 $pl->save;
2306} 2369}
2307 2370
2308sub reload() { 2371sub reload() {
2309 # can/must only be called in main 2372 # can/must only be called in main
2310 if ($Coro::current != $Coro::main) { 2373 if ($Coro::current != $Coro::main) {
2311 warn "can only reload from main coroutine\n"; 2374 warn "can only reload from main coroutine";
2312 return; 2375 return;
2313 } 2376 }
2314 2377
2315 warn "reloading..."; 2378 warn "reloading...";
2316 2379
2317 warn "freezing server"; 2380 warn "cancelling server ticker";
2318 my $guard = freeze_mainloop; 2381 $TICK_WATCHER->cancel;
2382
2319 cf::emergency_save; 2383 cf::emergency_save;
2320
2321 warn "sync database to disk";
2322 cf::db_sync;
2323 IO::AIO::flush;
2324 2384
2325 eval { 2385 eval {
2326 # if anything goes wrong in here, we should simply crash as we already saved 2386 # if anything goes wrong in here, we should simply crash as we already saved
2327 2387
2388 warn "syncing database to disk";
2389 cf::db_sync;
2390
2328 warn "cancel all watchers"; 2391 warn "cancelling all WF_AUTOCANCEL watchers";
2329 for (Event::all_watchers) { 2392 for (Event::all_watchers) {
2330 $_->cancel if $_->data & WF_AUTOCANCEL; 2393 $_->cancel if $_->data & WF_AUTOCANCEL;
2331 } 2394 }
2332 2395
2396 warn "flushing outstanding aio requests";
2397 for (;;) {
2398 IO::AIO::flush;
2399 Coro::cede;
2400 last unless IO::AIO::nreqs;
2401 warn "iterate...";
2402 }
2403
2333 warn "cancel all extension coros"; 2404 warn "cancelling all extension coros";
2334 $_->cancel for values %EXT_CORO; 2405 $_->cancel for values %EXT_CORO;
2335 %EXT_CORO = (); 2406 %EXT_CORO = ();
2336 2407
2337 warn "remove commands"; 2408 warn "removing commands";
2338 %COMMAND = (); 2409 %COMMAND = ();
2339 2410
2340 warn "remove ext commands"; 2411 warn "removing ext commands";
2341 %EXTCMD = (); 2412 %EXTCMD = ();
2342 2413
2343 warn "unload/nuke all extensions"; 2414 warn "unloading/nuking all extensions";
2344 for my $pkg (@EXTS) { 2415 for my $pkg (@EXTS) {
2345 warn "... unloading $pkg"; 2416 warn "... unloading $pkg";
2346 2417
2347 if (my $cb = $pkg->can ("unload")) { 2418 if (my $cb = $pkg->can ("unload")) {
2348 eval { 2419 eval {
2353 2424
2354 warn "... nuking $pkg"; 2425 warn "... nuking $pkg";
2355 Symbol::delete_package $pkg; 2426 Symbol::delete_package $pkg;
2356 } 2427 }
2357 2428
2358 warn "unload all perl modules loaded from $LIBDIR"; 2429 warn "unloading all perl modules loaded from $LIBDIR";
2359 while (my ($k, $v) = each %INC) { 2430 while (my ($k, $v) = each %INC) {
2360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2431 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361 2432
2362 warn "removing <$k>"; 2433 warn "... unloading $k";
2363 delete $INC{$k}; 2434 delete $INC{$k};
2364 2435
2365 $k =~ s/\.pm$//; 2436 $k =~ s/\.pm$//;
2366 $k =~ s/\//::/g; 2437 $k =~ s/\//::/g;
2367 2438
2370 } 2441 }
2371 2442
2372 Symbol::delete_package $k; 2443 Symbol::delete_package $k;
2373 } 2444 }
2374 2445
2375 warn "get rid of safe::, as good as possible"; 2446 warn "getting rid of safe::, as good as possible";
2376 Symbol::delete_package "safe::$_" 2447 Symbol::delete_package "safe::$_"
2377 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2448 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378 2449
2379 warn "unload cf.pm \"a bit\""; 2450 warn "unloading cf.pm \"a bit\"";
2380 delete $INC{"cf.pm"}; 2451 delete $INC{"cf.pm"};
2381 2452
2382 # don't, removes xs symbols, too, 2453 # don't, removes xs symbols, too,
2383 # and global variables created in xs 2454 # and global variables created in xs
2384 #Symbol::delete_package __PACKAGE__; 2455 #Symbol::delete_package __PACKAGE__;
2385 2456
2457 warn "unload completed, starting to reload now";
2458
2386 warn "reloading cf.pm"; 2459 warn "reloading cf.pm";
2387 require cf; 2460 require cf;
2388 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2461 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389 2462
2390 warn "load config and database again"; 2463 warn "loading config and database again";
2391 cf::cfg_load; 2464 cf::cfg_load;
2392 cf::db_load; 2465 cf::db_load;
2393 2466
2394 warn "load extensions"; 2467 warn "loading extensions";
2395 cf::load_extensions; 2468 cf::load_extensions;
2396 2469
2397 warn "reattach attachments to objects/players"; 2470 warn "reattaching attachments to objects/players";
2398 _global_reattach; 2471 _global_reattach;
2399 warn "reattach attachments to maps"; 2472 warn "reattaching attachments to maps";
2400 reattach $_ for values %MAP; 2473 reattach $_ for values %MAP;
2474
2475 warn "loading reloadable resources";
2476 load_resources;
2477
2478 warn "restarting server ticker";
2479
2480 $TICK_WATCHER->start;
2401 }; 2481 };
2402 2482
2403 if ($@) { 2483 if ($@) {
2404 warn $@; 2484 warn $@;
2405 warn "error while reloading, exiting."; 2485 warn "error while reloading, exiting.";
2407 } 2487 }
2408 2488
2409 warn "reloaded"; 2489 warn "reloaded";
2410}; 2490};
2411 2491
2412############################################################################# 2492our $RELOAD_WATCHER; # used only during reload
2413
2414unless ($LINK_MAP) {
2415 $LINK_MAP = cf::map::new;
2416
2417 $LINK_MAP->width (41);
2418 $LINK_MAP->height (41);
2419 $LINK_MAP->alloc;
2420 $LINK_MAP->path ("{link}");
2421 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424 # dirty hack because... archetypes are not yet loaded
2425 Event->timer (
2426 after => 10,
2427 cb => sub {
2428 $_[0]->w->cancel;
2429
2430 # provide some exits "home"
2431 my $exit = cf::object::new "exit";
2432
2433 $exit->slaying ($EMERGENCY_POSITION->[0]);
2434 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437 $LINK_MAP->insert ($exit->clone, 19, 19);
2438 $LINK_MAP->insert ($exit->clone, 19, 20);
2439 $LINK_MAP->insert ($exit->clone, 19, 21);
2440 $LINK_MAP->insert ($exit->clone, 20, 19);
2441 $LINK_MAP->insert ($exit->clone, 20, 21);
2442 $LINK_MAP->insert ($exit->clone, 21, 19);
2443 $LINK_MAP->insert ($exit->clone, 21, 20);
2444 $LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446 $exit->destroy;
2447 });
2448
2449 $LINK_MAP->{deny_save} = 1;
2450 $LINK_MAP->{deny_reset} = 1;
2451
2452 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453}
2454 2493
2455register_command "reload" => sub { 2494register_command "reload" => sub {
2456 my ($who, $arg) = @_; 2495 my ($who, $arg) = @_;
2457 2496
2458 if ($who->flag (FLAG_WIZ)) { 2497 if ($who->flag (FLAG_WIZ)) {
2459 $who->message ("start of reload."); 2498 $who->message ("reloading server.");
2499
2500 # doing reload synchronously and two reloads happen back-to-back,
2501 # coro crashes during coro_state_free->destroy here.
2502
2503 $RELOAD_WATCHER ||= Event->timer (
2504 reentrant => 0,
2505 after => 0,
2506 data => WF_AUTOCANCEL,
2507 cb => sub {
2460 reload; 2508 reload;
2461 $who->message ("end of reload."); 2509 undef $RELOAD_WATCHER;
2510 },
2511 );
2462 } 2512 }
2463}; 2513};
2464 2514
2465unshift @INC, $LIBDIR; 2515unshift @INC, $LIBDIR;
2516
2517my $bug_warning = 0;
2466 2518
2467$TICK_WATCHER = Event->timer ( 2519$TICK_WATCHER = Event->timer (
2468 reentrant => 0, 2520 reentrant => 0,
2521 parked => 1,
2469 prio => 0, 2522 prio => 0,
2470 at => $NEXT_TICK || $TICK, 2523 at => $NEXT_TICK || $TICK,
2471 data => WF_AUTOCANCEL, 2524 data => WF_AUTOCANCEL,
2472 cb => sub { 2525 cb => sub {
2526 if ($Coro::current != $Coro::main) {
2527 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2528 unless ++$bug_warning > 10;
2529 return;
2530 }
2531
2473 $NOW = Event::time; 2532 $NOW = Event::time;
2474 2533
2475 cf::server_tick; # one server iteration 2534 cf::server_tick; # one server iteration
2476 $RUNTIME += $TICK; 2535 $RUNTIME += $TICK;
2477 $NEXT_TICK += $TICK; 2536 $NEXT_TICK += $TICK;
2478 2537
2479 $WAIT_FOR_TICK->broadcast; 2538 $WAIT_FOR_TICK->broadcast;
2480 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2539 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2540
2541 Event::sweep;
2542 Coro::cede_notself;
2543
2544# my $AFTER = Event::time;
2545# warn $AFTER - $NOW;#d#
2481 2546
2482 # if we are delayed by four ticks or more, skip them all 2547 # if we are delayed by four ticks or more, skip them all
2483 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2548 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484 2549
2485 $TICK_WATCHER->at ($NEXT_TICK); 2550 $TICK_WATCHER->at ($NEXT_TICK);
2486 $TICK_WATCHER->start; 2551 $TICK_WATCHER->start;
2487 }, 2552 },
2488); 2553);
2489 2554
2490IO::AIO::max_poll_time $TICK * 0.2; 2555IO::AIO::max_poll_time $TICK * 0.1;
2491 2556
2492Event->io ( 2557undef $Coro::AIO::WATCHER;
2558$AIO_POLL_WATCHER = Event->io (
2559 reentrant => 0,
2493 fd => IO::AIO::poll_fileno, 2560 fd => IO::AIO::poll_fileno,
2494 poll => 'r', 2561 poll => 'r',
2495 prio => 5, 2562 prio => 6,
2496 data => WF_AUTOCANCEL, 2563 data => WF_AUTOCANCEL,
2497 cb => \&IO::AIO::poll_cb, 2564 cb => \&IO::AIO::poll_cb,
2498); 2565);
2499 2566
2500Event->timer ( 2567$WRITE_RUNTIME_WATCHER = Event->timer (
2568 reentrant => 0,
2501 data => WF_AUTOCANCEL, 2569 data => WF_AUTOCANCEL,
2502 after => 0, 2570 after => 1,
2503 interval => 10, 2571 interval => 10,
2504 cb => sub { 2572 prio => 6, # keep it lowest so it acts like a watchdog
2505 (Coro::unblock_sub { 2573 cb => Coro::unblock_sub {
2506 write_runtime 2574 write_runtime
2507 or warn "ERROR: unable to write runtime file: $!"; 2575 or warn "ERROR: unable to write runtime file: $!";
2508 })->();
2509 }, 2576 },
2510); 2577);
2511 2578
2512END { cf::emergency_save } 2579END { cf::emergency_save }
2513 2580

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