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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.162 by root, Thu Jan 11 00:41:08 2007 UTC vs.
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC

… …
8use Storable; 8use Storable;
9use Opcode; 9use Opcode;
10use Safe; 10use Safe;
11use Safe::Hole; 11use Safe::Hole;
12 12
13use Coro 3.3 (); 13use Coro 3.5 ();
14use Coro::Event; 14use Coro::Event;
15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
19 19
20use BDB ();
20use Data::Dumper; 21use Data::Dumper;
21use Digest::MD5; 22use Digest::MD5;
22use Fcntl; 23use Fcntl;
23use IO::AIO 2.32 (); 24use IO::AIO 2.32 ();
24use YAML::Syck (); 25use YAML::Syck ();
25use Time::HiRes; 26use Time::HiRes;
27use Compress::LZF;
28
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26 30
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 31use Event; $Event::Eval = 1; # no idea why this is required, but it is
28 32
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 34
… …
44our @EVENT; 48our @EVENT;
45our $LIBDIR = datadir . "/ext"; 49our $LIBDIR = datadir . "/ext";
46 50
47our $TICK = MAX_TIME * 1e-6; 51our $TICK = MAX_TIME * 1e-6;
48our $TICK_WATCHER; 52our $TICK_WATCHER;
53our $AIO_POLL_WATCHER;
54our $WRITE_RUNTIME_WATCHER;
49our $NEXT_TICK; 55our $NEXT_TICK;
50our $NOW; 56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off
58
59our $BDB_POLL_WATCHER;
60our $DB_ENV;
51 61
52our %CFG; 62our %CFG;
53 63
54our $UPTIME; $UPTIME ||= time; 64our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 65our $RUNTIME;
56 66
57our %PLAYER; # all users 67our %PLAYER; # all users
58our %MAP; # all maps 68our %MAP; # all maps
59our $LINK_MAP; # the special {link} map 69our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random"; 70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
61 72
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75
76# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64 78
65binmode STDOUT; 79binmode STDOUT;
66binmode STDERR; 80binmode STDERR;
67 81
68# read virtual server time, if available 82# read virtual server time, if available
… …
75mkdir cf::localdir; 89mkdir cf::localdir;
76mkdir cf::localdir . "/" . cf::playerdir; 90mkdir cf::localdir . "/" . cf::playerdir;
77mkdir cf::localdir . "/" . cf::tmpdir; 91mkdir cf::localdir . "/" . cf::tmpdir;
78mkdir cf::localdir . "/" . cf::uniquedir; 92mkdir cf::localdir . "/" . cf::uniquedir;
79mkdir $RANDOM_MAPS; 93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
80 95
81# a special map that is always available
82our $LINK_MAP;
83our $EMERGENCY_POSITION; 96our $EMERGENCY_POSITION;
97
98sub cf::map::normalise;
84 99
85############################################################################# 100#############################################################################
86 101
87=head2 GLOBAL VARIABLES 102=head2 GLOBAL VARIABLES
88 103
… …
256} 271}
257 272
258sub freeze_mainloop { 273sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active; 274 return unless $TICK_WATCHER->is_active;
260 275
261 my $guard = Coro::guard { $TICK_WATCHER->start }; 276 my $guard = Coro::guard {
277 $TICK_WATCHER->start;
278 $WRITE_RUNTIME_WATCHER->start;
279 };
280 $WRITE_RUNTIME_WATCHER->stop;
262 $TICK_WATCHER->stop; 281 $TICK_WATCHER->stop;
263 $guard 282 $guard
264} 283}
265 284
266=item cf::async { BLOCK } 285=item cf::async { BLOCK }
… …
342 my $runtime = cf::localdir . "/runtime"; 361 my $runtime = cf::localdir . "/runtime";
343 362
344 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345 or return; 364 or return;
346 365
366 my $value = $cf::RUNTIME + 90 + 10;
347 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 367 # 10 is the runtime save interval, for a monotonic clock
368 # 60 allows for the watchdog to kill the server.
369
348 (aio_write $fh, 0, (length $value), $value, 0) <= 0 370 (aio_write $fh, 0, (length $value), $value, 0) <= 0
349 and return; 371 and return;
350 372
373 # always fsync - this file is important
351 aio_fsync $fh 374 aio_fsync $fh
352 and return; 375 and return;
353 376
354 close $fh 377 close $fh
355 or return; 378 or return;
… …
361} 384}
362 385
363=back 386=back
364 387
365=cut 388=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;
522 389
523############################################################################# 390#############################################################################
524 391
525=head2 ATTACHABLE OBJECTS 392=head2 ATTACHABLE OBJECTS
526 393
… …
652our @CB_TYPE = (); # registry for type (cf-object class) based events 519our @CB_TYPE = (); # registry for type (cf-object class) based events
653our @CB_MAP = (); 520our @CB_MAP = ();
654 521
655my %attachment; 522my %attachment;
656 523
524sub cf::attachable::thawer_merge {
525 # simply override everything except _meta
526 local $_[0]{_meta};
527 %{$_[0]} = %{$_[1]};
528}
529
657sub _attach_cb($$$$) { 530sub _attach_cb($$$$) {
658 my ($registry, $event, $prio, $cb) = @_; 531 my ($registry, $event, $prio, $cb) = @_;
659 532
660 use sort 'stable'; 533 use sort 'stable';
661 534
… …
832# object support 705# object support
833 706
834sub reattach { 707sub reattach {
835 # basically do the same as instantiate, without calling instantiate 708 # basically do the same as instantiate, without calling instantiate
836 my ($obj) = @_; 709 my ($obj) = @_;
710
711 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837 712
838 my $registry = $obj->registry; 713 my $registry = $obj->registry;
839 714
840 @$registry = (); 715 @$registry = ();
841 716
… …
888 $filename, length $$rdata, scalar @$objs; 763 $filename, length $$rdata, scalar @$objs;
889 764
890 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891 chmod SAVE_MODE, $fh; 766 chmod SAVE_MODE, $fh;
892 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 767 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893 aio_fsync $fh; 768 aio_fsync $fh if $cf::USE_FSYNC;
894 close $fh; 769 close $fh;
895 770
896 if (@$objs) { 771 if (@$objs) {
897 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 772 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898 chmod SAVE_MODE, $fh; 773 chmod SAVE_MODE, $fh;
899 my $data = Storable::nfreeze { version => 1, objs => $objs }; 774 my $data = Storable::nfreeze { version => 1, objs => $objs };
900 aio_write $fh, 0, (length $data), $data, 0; 775 aio_write $fh, 0, (length $data), $data, 0;
901 aio_fsync $fh; 776 aio_fsync $fh if $cf::USE_FSYNC;
902 close $fh; 777 close $fh;
903 aio_rename "$filename.pst~", "$filename.pst"; 778 aio_rename "$filename.pst~", "$filename.pst";
904 } 779 }
905 } else { 780 } else {
906 aio_unlink "$filename.pst"; 781 aio_unlink "$filename.pst";
… …
912 } 787 }
913 } else { 788 } else {
914 aio_unlink $filename; 789 aio_unlink $filename;
915 aio_unlink "$filename.pst"; 790 aio_unlink "$filename.pst";
916 } 791 }
792
793 #d##TODO# nuke non .map-files if exist
794 if ($filename =~ s/\.map$//) {
795 aio_unlink $filename;
796 aio_unlink "$filename.pst";
797 }
917 } 798 }
918} 799}
919 800
920sub object_freezer_as_string { 801sub object_freezer_as_string {
921 my ($rdata, $objs) = @_; 802 my ($rdata, $objs) = @_;
… …
927 808
928sub object_thawer_load { 809sub object_thawer_load {
929 my ($filename) = @_; 810 my ($filename) = @_;
930 811
931 my ($data, $av); 812 my ($data, $av);
813
814 #d#TODO remove .map if file does not exist
815 aio_stat $filename and $filename =~ s/\.map$//;
932 816
933 (aio_load $filename, $data) >= 0 817 (aio_load $filename, $data) >= 0
934 or return; 818 or return;
935 819
936 unless (aio_stat "$filename.pst") { 820 unless (aio_stat "$filename.pst") {
… …
1028 "package $pkg; use strict; use utf8;\n" 912 "package $pkg; use strict; use utf8;\n"
1029 . "#line 1 \"$path\"\n{\n" 913 . "#line 1 \"$path\"\n{\n"
1030 . (do { local $/; <$fh> }) 914 . (do { local $/; <$fh> })
1031 . "\n};\n1"; 915 . "\n};\n1";
1032 916
1033 eval $source 917 unless (eval $source) {
1034 or die $@ ? "$path: $@\n" 918 my $msg = $@ ? "$path: $@\n"
1035 : "extension disabled.\n"; 919 : "extension disabled.\n";
920 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921 warn $@;
922 warn "mandatory extension failed to load, exiting.\n";
923 exit 1;
924 }
925 die $@;
926 }
1036 927
1037 push @EXTS, $pkg; 928 push @EXTS, $pkg;
1038} 929}
1039 930
1040sub load_extensions { 931sub load_extensions {
… …
1046 } or warn "$ext not loaded: $@"; 937 } or warn "$ext not loaded: $@";
1047 } 938 }
1048} 939}
1049 940
1050############################################################################# 941#############################################################################
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 942
1066=head2 CORE EXTENSIONS 943=head2 CORE EXTENSIONS
1067 944
1068Functions and methods that extend core crossfire objects. 945Functions and methods that extend core crossfire objects.
1069 946
… …
1105 982
1106sub exists($) { 983sub exists($) {
1107 my ($login) = @_; 984 my ($login) = @_;
1108 985
1109 $cf::PLAYER{$login} 986 $cf::PLAYER{$login}
1110 or cf::sync_job { !aio_stat $login } 987 or cf::sync_job { !aio_stat path $login }
1111} 988}
1112 989
1113sub find($) { 990sub find($) {
1114 return $cf::PLAYER{$_[0]} || do { 991 return $cf::PLAYER{$_[0]} || do {
1115 my $login = $_[0]; 992 my $login = $_[0];
… …
1205 \@logins 1082 \@logins
1206} 1083}
1207 1084
1208=item $player->maps 1085=item $player->maps
1209 1086
1210Returns an arrayref of cf::path's of all maps that are private for this 1087Returns an arrayref of map paths that are private for this
1211player. May block. 1088player. May block.
1212 1089
1213=cut 1090=cut
1214 1091
1215sub maps($) { 1092sub maps($) {
1216 my ($pl) = @_; 1093 my ($pl) = @_;
1094
1095 $pl = ref $pl ? $pl->ob->name : $pl;
1217 1096
1218 my $files = aio_readdir playerdir $pl 1097 my $files = aio_readdir playerdir $pl
1219 or return; 1098 or return;
1220 1099
1221 my @paths; 1100 my @paths;
… …
1223 for (@$files) { 1102 for (@$files) {
1224 utf8::decode $_; 1103 utf8::decode $_;
1225 next if /\.(?:pl|pst)$/; 1104 next if /\.(?:pl|pst)$/;
1226 next unless /^$PATH_SEP/o; 1105 next unless /^$PATH_SEP/o;
1227 1106
1228 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1107 push @paths, cf::map::normalise "~$pl/$_";
1229 } 1108 }
1230 1109
1231 \@paths 1110 \@paths
1232} 1111}
1233 1112
… …
1259package cf::map; 1138package cf::map;
1260 1139
1261use Fcntl; 1140use Fcntl;
1262use Coro::AIO; 1141use Coro::AIO;
1263 1142
1143use overload
1144 '""' => \&as_string,
1145 fallback => 1;
1146
1264our $MAX_RESET = 3600; 1147our $MAX_RESET = 3600;
1265our $DEFAULT_RESET = 3000; 1148our $DEFAULT_RESET = 3000;
1266 1149
1267sub generate_random_map { 1150sub generate_random_map {
1268 my ($path, $rmp) = @_; 1151 my ($self, $rmp) = @_;
1269
1270 # mit "rum" bekleckern, nicht 1152 # mit "rum" bekleckern, nicht
1271 cf::map::_create_random_map ( 1153 $self->_create_random_map (
1272 $path,
1273 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1154 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1155 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1156 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276 $rmp->{exit_on_final_map}, 1157 $rmp->{exit_on_final_map},
1277 $rmp->{xsize}, $rmp->{ysize}, 1158 $rmp->{xsize}, $rmp->{ysize},
… …
1282 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1163 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283 (cf::region::find $rmp->{region}), $rmp->{custom} 1164 (cf::region::find $rmp->{region}), $rmp->{custom}
1284 ) 1165 )
1285} 1166}
1286 1167
1168=item cf::map->register ($regex, $prio)
1169
1170Register a handler for the map path matching the given regex at the
1171givne priority (higher is better, built-in handlers have priority 0, the
1172default).
1173
1174=cut
1175
1176sub register {
1177 my (undef, $regex, $prio) = @_;
1178 my $pkg = caller;
1179
1180 no strict;
1181 push @{"$pkg\::ISA"}, __PACKAGE__;
1182
1183 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184}
1185
1186# also paths starting with '/'
1187$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1188
1189sub thawer_merge {
1190 my ($self, $merge) = @_;
1191
1192 # we have to keep some variables in memory intact
1193 local $self->{path};
1194 local $self->{load_path};
1195 local $self->{deny_save};
1196 local $self->{deny_reset};
1197
1198 $self->SUPER::thawer_merge ($merge);
1199}
1200
1201sub normalise {
1202 my ($path, $base) = @_;
1203
1204 $path = "$path"; # make sure its a string
1205
1206 $path =~ s/\.map$//;
1207
1208 # map plan:
1209 #
1210 # /! non-realised random map exit (special hack!)
1211 # {... are special paths that are not being touched
1212 # ?xxx/... are special absolute paths
1213 # ?random/... random maps
1214 # /... normal maps
1215 # ~user/... per-player map of a specific user
1216
1217 $path =~ s/$PATH_SEP/\//go;
1218
1219 # treat it as relative path if it starts with
1220 # something that looks reasonable
1221 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1222 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1223
1224 $base =~ s{[^/]+/?$}{};
1225 $path = "$base/$path";
1226 }
1227
1228 for ($path) {
1229 redo if s{//}{/};
1230 redo if s{/\.?/}{/};
1231 redo if s{/[^/]+/\.\./}{/};
1232 }
1233
1234 $path
1235}
1236
1237sub new_from_path {
1238 my (undef, $path, $base) = @_;
1239
1240 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1241
1242 $path = normalise $path, $base;
1243
1244 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1245 if ($path =~ $EXT_MAP{$pkg}[1]) {
1246 my $self = bless cf::map::new, $pkg;
1247 $self->{path} = $path; $self->path ($path);
1248 $self->init; # pass $1 etc.
1249 return $self;
1250 }
1251 }
1252
1253 Carp::carp "unable to resolve path '$path' (base '$base').";
1254 ()
1255}
1256
1257sub init {
1258 my ($self) = @_;
1259
1260 $self
1261}
1262
1263sub as_string {
1264 my ($self) = @_;
1265
1266 "$self->{path}"
1267}
1268
1269# the displayed name, this is a one way mapping
1270sub visible_name {
1271 &as_string
1272}
1273
1274# the original (read-only) location
1275sub load_path {
1276 my ($self) = @_;
1277
1278 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1279}
1280
1281# the temporary/swap location
1282sub save_path {
1283 my ($self) = @_;
1284
1285 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1287}
1288
1289# the unique path, undef == no special unique path
1290sub uniq_path {
1291 my ($self) = @_;
1292
1293 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1295}
1296
1287# and all this just because we cannot iterate over 1297# and all this just because we cannot iterate over
1288# all maps in C++... 1298# all maps in C++...
1289sub change_all_map_light { 1299sub change_all_map_light {
1290 my ($change) = @_; 1300 my ($change) = @_;
1291 1301
1292 $_->change_map_light ($change) 1302 $_->change_map_light ($change)
1293 for grep $_->outdoor, values %cf::MAP; 1303 for grep $_->outdoor, values %cf::MAP;
1294} 1304}
1295 1305
1306sub unlink_save {
1307 my ($self) = @_;
1308
1309 utf8::encode (my $save = $self->save_path);
1310 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313 #d#TODO remove .map and also nuke
1314 $save =~ s/\.map// or return;#d#
1315 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317}
1318
1296sub load_map_header($) { 1319sub load_header_from($) {
1297 my ($path) = @_; 1320 my ($self, $path) = @_;
1298 1321
1299 utf8::encode $path; 1322 utf8::encode $path;
1300 aio_open $path, O_RDONLY, 0 1323 #aio_open $path, O_RDONLY, 0
1324 # or return;
1325
1326 $self->_load_header ($path)
1301 or return; 1327 or return;
1302 1328
1303 my $map = cf::map::new 1329 $self->{load_path} = $path;
1330
1331 1
1332}
1333
1334sub load_header_orig {
1335 my ($self) = @_;
1336
1337 $self->load_header_from ($self->load_path)
1338}
1339
1340sub load_header_temp {
1341 my ($self) = @_;
1342
1343 $self->load_header_from ($self->save_path)
1344}
1345
1346sub prepare_temp {
1347 my ($self) = @_;
1348
1349 $self->last_access ((delete $self->{last_access})
1350 || $cf::RUNTIME); #d#
1351 # safety
1352 $self->{instantiate_time} = $cf::RUNTIME
1353 if $self->{instantiate_time} > $cf::RUNTIME;
1354}
1355
1356sub prepare_orig {
1357 my ($self) = @_;
1358
1359 $self->{load_original} = 1;
1360 $self->{instantiate_time} = $cf::RUNTIME;
1361 $self->last_access ($cf::RUNTIME);
1362 $self->instantiate;
1363}
1364
1365sub load_header {
1366 my ($self) = @_;
1367
1368 if ($self->load_header_temp) {
1369 $self->prepare_temp;
1370 } else {
1371 $self->load_header_orig
1304 or return; 1372 or return;
1373 $self->prepare_orig;
1374 }
1305 1375
1306 # for better error messages only, will be overwritten later 1376 1
1307 $map->path ($path);
1308
1309 $map->load_header ($path)
1310 or return;
1311
1312 $map->{load_path} = $path;
1313
1314 $map
1315} 1377}
1316 1378
1317sub find; 1379sub find;
1318sub find { 1380sub find {
1319 my ($path, $origin) = @_; 1381 my ($path, $origin) = @_;
1320 1382
1321 #warn "find<$path,$origin>\n";#d#
1322
1323 $path = new cf::path $path, $origin && $origin->path; 1383 $path = normalise $path, $origin && $origin->path;
1324 my $key = $path->as_string;
1325 1384
1326 cf::lock_wait "map_find:$key"; 1385 cf::lock_wait "map_find:$path";
1327 1386
1328 $cf::MAP{$key} || do { 1387 $cf::MAP{$path} || do {
1329 my $guard = cf::lock_acquire "map_find:$key"; 1388 my $guard = cf::lock_acquire "map_find:$path";
1330 1389 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; 1390 or return;
1345 1391
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; 1392 $map->{last_save} = $cf::RUNTIME;
1358 1393
1359 Coro::cede; 1394 $map->load_header
1395 or return;
1360 1396
1361 if ($map->should_reset) { 1397 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1398 # doing this can freeze the server in a sync job, obviously
1399 #$cf::WAIT_FOR_TICK->wait;
1362 $map->reset; 1400 $map->reset;
1363 undef $guard; 1401 undef $guard;
1364 $map = find $path 1402 return find $path;
1365 or return;
1366 } 1403 }
1367 1404
1368 $cf::MAP{$key} = $map 1405 $cf::MAP{$path} = $map
1369 } 1406 }
1370} 1407}
1408
1409sub pre_load { }
1410sub post_load { }
1371 1411
1372sub load { 1412sub load {
1373 my ($self) = @_; 1413 my ($self) = @_;
1374 1414
1415 local $self->{deny_reset} = 1; # loading can take a long time
1416
1375 my $path = $self->{path}; 1417 my $path = $self->{path};
1376 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1418 my $guard = cf::lock_acquire "map_load:$path";
1377 1419
1378 return if $self->in_memory != cf::MAP_SWAPPED; 1420 return if $self->in_memory != cf::MAP_SWAPPED;
1379 1421
1380 $self->in_memory (cf::MAP_LOADING); 1422 $self->in_memory (cf::MAP_LOADING);
1381 1423
1382 $self->alloc; 1424 $self->alloc;
1425
1426 $self->pre_load;
1427
1383 $self->load_objects ($self->{load_path}, 1) 1428 $self->_load_objects ($self->{load_path}, 1)
1384 or return; 1429 or return;
1385 1430
1386 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1431 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387 if delete $self->{load_original}; 1432 if delete $self->{load_original};
1388 1433
1389 if (my $uniq = $path->uniq_path) { 1434 if (my $uniq = $self->uniq_path) {
1390 utf8::encode $uniq; 1435 utf8::encode $uniq;
1391 if (aio_open $uniq, O_RDONLY, 0) { 1436 if (aio_open $uniq, O_RDONLY, 0) {
1392 $self->clear_unique_items; 1437 $self->clear_unique_items;
1393 $self->load_objects ($uniq, 0); 1438 $self->_load_objects ($uniq, 0);
1394 } 1439 }
1395 } 1440 }
1396 1441
1397 Coro::cede; 1442 Coro::cede;
1398 1443
1399 # now do the right thing for maps 1444 # now do the right thing for maps
1400 $self->link_multipart_objects; 1445 $self->link_multipart_objects;
1401 1446
1402 if ($self->{path}->is_style_map) { 1447 unless ($self->{deny_activate}) {
1403 $self->{deny_save} = 1; 1448 $self->decay_objects;
1404 $self->{deny_reset} = 1;
1405 } else {
1406 $self->fix_auto_apply; 1449 $self->fix_auto_apply;
1407 $self->decay_objects;
1408 $self->update_buttons; 1450 $self->update_buttons;
1451 Coro::cede;
1409 $self->set_darkness_map; 1452 $self->set_darkness_map;
1410 $self->difficulty ($self->estimate_difficulty) 1453 $self->difficulty ($self->estimate_difficulty)
1411 unless $self->difficulty; 1454 unless $self->difficulty;
1455 Coro::cede;
1412 $self->activate; 1456 $self->activate;
1413 } 1457 }
1414 1458
1415 Coro::cede; 1459 $self->post_load;
1416 1460
1417 $self->in_memory (cf::MAP_IN_MEMORY); 1461 $self->in_memory (cf::MAP_IN_MEMORY);
1462}
1463
1464sub customise_for {
1465 my ($self, $ob) = @_;
1466
1467 return find "~" . $ob->name . "/" . $self->{path}
1468 if $self->per_player;
1469
1470 $self
1418} 1471}
1419 1472
1420# find and load all maps in the 3x3 area around a map 1473# find and load all maps in the 3x3 area around a map
1421sub load_diag { 1474sub load_diag {
1422 my ($map) = @_; 1475 my ($map) = @_;
… …
1452 1505
1453 cf::sync_job { $map->load }; 1506 cf::sync_job { $map->load };
1454} 1507}
1455 1508
1456our %MAP_PREFETCH; 1509our %MAP_PREFETCH;
1457our $MAP_PREFETCHER = Coro::async { 1510our $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 1511
1472sub find_async { 1512sub find_async {
1473 my ($path, $origin) = @_; 1513 my ($path, $origin) = @_;
1474 1514
1475 $path = new cf::path $path, $origin && $origin->path; 1515 $path = normalise $path, $origin && $origin->{path};
1476 my $key = $path->as_string;
1477 1516
1478 if (my $map = $cf::MAP{$key}) { 1517 if (my $map = $cf::MAP{$path}) {
1479 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1518 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480 } 1519 }
1481 1520
1482 $MAP_PREFETCH{$key} = $path; 1521 undef $MAP_PREFETCH{$path};
1522 $MAP_PREFETCHER ||= cf::async {
1523 while (%MAP_PREFETCH) {
1524 for my $path (keys %MAP_PREFETCH) {
1525 my $map = find $path
1526 or next;
1527 $map->load;
1528
1529 delete $MAP_PREFETCH{$path};
1530 }
1531 }
1532 undef $MAP_PREFETCHER;
1533 };
1483 $MAP_PREFETCHER->ready; 1534 $MAP_PREFETCHER->prio (6);
1484 1535
1485 () 1536 ()
1486} 1537}
1487 1538
1488sub save { 1539sub save {
… …
1492 1543
1493 $self->{last_save} = $cf::RUNTIME; 1544 $self->{last_save} = $cf::RUNTIME;
1494 1545
1495 return unless $self->dirty; 1546 return unless $self->dirty;
1496 1547
1497 my $save = $self->{path}->save_path; utf8::encode $save; 1548 my $save = $self->save_path; utf8::encode $save;
1498 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1549 my $uniq = $self->uniq_path; utf8::encode $uniq;
1499 1550
1500 $self->{load_path} = $save; 1551 $self->{load_path} = $save;
1501 1552
1502 return if $self->{deny_save}; 1553 return if $self->{deny_save};
1503 1554
… …
1506 cf::async { 1557 cf::async {
1507 $_->contr->save for $self->players; 1558 $_->contr->save for $self->players;
1508 }; 1559 };
1509 1560
1510 if ($uniq) { 1561 if ($uniq) {
1511 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1562 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512 $self->save_objects ($uniq, cf::IO_UNIQUES); 1563 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1513 } else { 1564 } else {
1514 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1565 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515 } 1566 }
1516} 1567}
1517 1568
1518sub swap_out { 1569sub swap_out {
1519 my ($self) = @_; 1570 my ($self) = @_;
… …
1533 1584
1534sub reset_at { 1585sub reset_at {
1535 my ($self) = @_; 1586 my ($self) = @_;
1536 1587
1537 # TODO: safety, remove and allow resettable per-player maps 1588 # TODO: safety, remove and allow resettable per-player maps
1538 return 1e99 if $self->{path}{user_rel}; 1589 return 1e99 if $self->isa ("ext::map_per_player");#d#
1539 return 1e99 if $self->{deny_reset}; 1590 return 1e99 if $self->{deny_reset};
1540 1591
1541 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1592 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1593 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543 1594
… …
1548 my ($self) = @_; 1599 my ($self) = @_;
1549 1600
1550 $self->reset_at <= $cf::RUNTIME 1601 $self->reset_at <= $cf::RUNTIME
1551} 1602}
1552 1603
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 { 1604sub reset {
1575 my ($self) = @_; 1605 my ($self) = @_;
1576 1606
1577 my $lock = cf::lock_acquire "map_data:" . $self->path; 1607 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 1608
1579 return if $self->players; 1609 return if $self->players;
1580 return if $self->{path}{user_rel};#d# 1610 return if $self->isa ("ext::map_per_player");#d#
1581 1611
1582 warn "resetting map ", $self->path;#d# 1612 warn "resetting map ", $self->path;#d#
1583 1613
1584 delete $cf::MAP{$self->path}; 1614 delete $cf::MAP{$self->path};
1615
1616 $self->in_memory (cf::MAP_SWAPPED);
1617 $self->clear;
1585 1618
1586 $_->clear_links_to ($self) for values %cf::MAP; 1619 $_->clear_links_to ($self) for values %cf::MAP;
1587 1620
1588 $self->unlink_save; 1621 $self->unlink_save;
1589 $self->destroy; 1622 $self->destroy;
… …
1592my $nuke_counter = "aaaa"; 1625my $nuke_counter = "aaaa";
1593 1626
1594sub nuke { 1627sub nuke {
1595 my ($self) = @_; 1628 my ($self) = @_;
1596 1629
1630 delete $cf::MAP{$self->path};
1631
1632 $self->unlink_save;
1633
1634 bless $self, "cf::map";
1635 delete $self->{deny_reset};
1597 $self->{deny_save} = 1; 1636 $self->{deny_save} = 1;
1598 $self->reset_timeout (1); 1637 $self->reset_timeout (1);
1599 $self->rename ("{nuke}/" . ($nuke_counter++)); 1638 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639
1640 $cf::MAP{$self->path} = $self;
1641
1600 $self->reset; # polite request, might not happen 1642 $self->reset; # polite request, might not happen
1601} 1643}
1602 1644
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 1645=item cf::map::unique_maps
1614 1646
1615Returns an arrayref of cf::path's of all shared maps that have 1647Returns an arrayref of paths of all shared maps that have
1616instantiated unique items. May block. 1648instantiated unique items. May block.
1617 1649
1618=cut 1650=cut
1619 1651
1620sub unique_maps() { 1652sub unique_maps() {
… …
1626 for (@$files) { 1658 for (@$files) {
1627 utf8::decode $_; 1659 utf8::decode $_;
1628 next if /\.pst$/; 1660 next if /\.pst$/;
1629 next unless /^$PATH_SEP/o; 1661 next unless /^$PATH_SEP/o;
1630 1662
1631 push @paths, new cf::path $_; 1663 push @paths, cf::map::normalise $_;
1632 } 1664 }
1633 1665
1634 \@paths 1666 \@paths
1635} 1667}
1636 1668
… …
1711 1743
1712=item $player_object->enter_link 1744=item $player_object->enter_link
1713 1745
1714Freezes the player and moves him/her to a special map (C<{link}>). 1746Freezes the player and moves him/her to a special map (C<{link}>).
1715 1747
1716The player should be reaosnably safe there for short amounts of time. You 1748The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 1749I<MUST> call C<leave_link> as soon as possible, though.
1718 1750
1751Will never block.
1752
1719=item $player_object->leave_link ($map, $x, $y) 1753=item $player_object->leave_link ($map, $x, $y)
1720 1754
1721Moves the player out of the specila link map onto the given map. If the 1755Moves 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 1756map. 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, 1757to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 1758fails, to the emergency map position.
1725 1759
1726Might block. 1760Might block.
1727 1761
1728=cut 1762=cut
1763
1764sub link_map {
1765 unless ($LINK_MAP) {
1766 $LINK_MAP = cf::map::find "{link}"
1767 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1768 $LINK_MAP->load;
1769 }
1770
1771 $LINK_MAP
1772}
1729 1773
1730sub cf::object::player::enter_link { 1774sub cf::object::player::enter_link {
1731 my ($self) = @_; 1775 my ($self) = @_;
1732 1776
1733 $self->deactivate_recursive; 1777 $self->deactivate_recursive;
1734 1778
1735 return if $self->map == $LINK_MAP; 1779 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1780
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1781 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1782 if $self->map;
1739 1783
1740 $self->enter_map ($LINK_MAP, 20, 20); 1784 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 1785}
1742 1786
1743sub cf::object::player::leave_link { 1787sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1788 my ($self, $map, $x, $y) = @_;
1745 1789
… …
1809=cut 1853=cut
1810 1854
1811sub cf::object::player::goto { 1855sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1856 my ($self, $path, $x, $y) = @_;
1813 1857
1814 $path = new cf::path $path;
1815
1816 $self->enter_link; 1858 $self->enter_link;
1817 1859
1818 (async { 1860 (async {
1861 my $map = eval {
1819 my $map = cf::map::find $path->as_string; 1862 my $map = cf::map::find $path;
1820 $map = $map->customise_for ($self) if $map; 1863 $map = $map->customise_for ($self) if $map;
1821 1864 $map
1822# warn "entering ", $map->path, " at ($x, $y)\n" 1865 } or
1823# if $map;
1824
1825 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1866 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1826 1867
1827 $self->leave_link ($map, $x, $y); 1868 $self->leave_link ($map, $x, $y);
1828 })->prio (1); 1869 })->prio (1);
1829} 1870}
1830 1871
… …
1834 1875
1835sub parse_random_map_params { 1876sub parse_random_map_params {
1836 my ($spec) = @_; 1877 my ($spec) = @_;
1837 1878
1838 my $rmp = { # defaults 1879 my $rmp = { # defaults
1839 xsize => 10, 1880 xsize => (cf::rndm 15, 40),
1840 ysize => 10, 1881 ysize => (cf::rndm 15, 40),
1882 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1883 #layout => string,
1841 }; 1884 };
1842 1885
1843 for (split /\n/, $spec) { 1886 for (split /\n/, $spec) {
1844 my ($k, $v) = split /\s+/, $_, 2; 1887 my ($k, $v) = split /\s+/, $_, 2;
1845 1888
… …
1849 $rmp 1892 $rmp
1850} 1893}
1851 1894
1852sub prepare_random_map { 1895sub prepare_random_map {
1853 my ($exit) = @_; 1896 my ($exit) = @_;
1897
1898 my $guard = cf::lock_acquire "exit_prepare:$exit";
1854 1899
1855 # all this does is basically replace the /! path by 1900 # all this does is basically replace the /! path by
1856 # a new random map path (?random/...) with a seed 1901 # a new random map path (?random/...) with a seed
1857 # that depends on the exit object 1902 # that depends on the exit object
1858 1903
1859 my $rmp = parse_random_map_params $exit->msg; 1904 my $rmp = parse_random_map_params $exit->msg;
1860 1905
1861 if ($exit->map) { 1906 if ($exit->map) {
1862 $rmp->{region} = $exit->map->region_name; 1907 $rmp->{region} = $exit->region->name;
1863 $rmp->{origin_map} = $exit->map->path; 1908 $rmp->{origin_map} = $exit->map->path;
1864 $rmp->{origin_x} = $exit->x; 1909 $rmp->{origin_x} = $exit->x;
1865 $rmp->{origin_y} = $exit->y; 1910 $rmp->{origin_y} = $exit->y;
1866 } 1911 }
1867 1912
1868 $rmp->{random_seed} ||= $exit->random_seed; 1913 $rmp->{random_seed} ||= $exit->random_seed;
1869 1914
1870 my $data = cf::to_json $rmp; 1915 my $data = cf::to_json $rmp;
1871 my $md5 = Digest::MD5::md5_hex $data; 1916 my $md5 = Digest::MD5::md5_hex $data;
1917 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872 1918
1873 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1919 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874 aio_write $fh, 0, (length $data), $data, 0; 1920 aio_write $fh, 0, (length $data), $data, 0;
1921 undef $fh;
1922 aio_rename "$meta~", $meta;
1875 1923
1876 $exit->slaying ("?random/$md5"); 1924 $exit->slaying ("?random/$md5");
1877 $exit->msg (undef); 1925 $exit->msg (undef);
1878 } 1926 }
1879} 1927}
1880 1928
1881sub cf::object::player::enter_exit { 1929sub cf::object::player::enter_exit {
1882 my ($self, $exit) = @_; 1930 my ($self, $exit) = @_;
1883 1931
1884 return unless $self->type == cf::PLAYER; 1932 return unless $self->type == cf::PLAYER;
1933
1934 if ($exit->slaying eq "/!") {
1935 #TODO: this should de-fi-ni-te-ly not be a sync-job
1936 cf::sync_job { prepare_random_map $exit };
1937 }
1938
1939 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940 my $hp = $exit->stats->hp;
1941 my $sp = $exit->stats->sp;
1885 1942
1886 $self->enter_link; 1943 $self->enter_link;
1887 1944
1888 (async { 1945 (async {
1889 $self->deactivate_recursive; # just to be sure 1946 $self->deactivate_recursive; # just to be sure
1890 unless (eval { 1947 unless (eval {
1891 prepare_random_map $exit 1948 $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 1949
1897 1; 1950 1;
1898 }) { 1951 }) {
1899 $self->message ("Something went wrong deep within the crossfire server. " 1952 $self->message ("Something went wrong deep within the crossfire server. "
1900 . "I'll try to bring you back to the map you were before. " 1953 . "I'll try to bring you back to the map you were before. "
… …
1961 # get handled first 2014 # get handled first
1962 my $queue = delete $ns->{query_queue} 2015 my $queue = delete $ns->{query_queue}
1963 or return; # be conservative, not sure how that can happen, but we saw a crash here 2016 or return; # be conservative, not sure how that can happen, but we saw a crash here
1964 2017
1965 (shift @$queue)->[1]->($msg); 2018 (shift @$queue)->[1]->($msg);
2019 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966 2020
1967 push @{ $ns->{query_queue} }, @$queue; 2021 push @{ $ns->{query_queue} }, @$queue;
1968 2022
1969 if (@{ $ns->{query_queue} } == @$queue) { 2023 if (@{ $ns->{query_queue} } == @$queue) {
1970 if (@$queue) { 2024 if (@$queue) {
… …
2131The parameter C<$family> should best start with the name of the extension 2185The parameter C<$family> should best start with the name of the extension
2132using it, it should be unique. 2186using it, it should be unique.
2133 2187
2134=over 4 2188=over 4
2135 2189
2136=item $hashref = cf::db_get $family
2137
2138Return a hashref for use by the extension C<$family>, which can be
2139modified. After modifications, you have to call C<cf::db_dirty> or
2140C<cf::db_sync>.
2141
2142=item $value = cf::db_get $family => $key 2190=item $value = cf::db_get $family => $key
2143 2191
2144Returns a single value from the database 2192Returns a single value from the database.
2145
2146=item cf::db_put $family => $hashref
2147
2148Stores the given family hashref into the database. Updates are delayed, if
2149you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150 2193
2151=item cf::db_put $family => $key => $value 2194=item cf::db_put $family => $key => $value
2152 2195
2153Stores the given C<$value> in the family hash. Updates are delayed, if you 2196Stores the given C<$value> in the family.
2154want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156=item cf::db_dirty
2157
2158Marks the database as dirty, to be updated at a later time.
2159
2160=item cf::db_sync
2161
2162Immediately write the database to disk I<if it is dirty>.
2163 2197
2164=cut 2198=cut
2165 2199
2166our $DB; 2200our $DB;
2167 2201
2168{ 2202unless ($DB) {
2203 $DB = BDB::db_create $DB_ENV;
2204
2205 cf::sync_job {
2206 eval {
2207 $DB->set_flags (BDB::CHKSUM);
2208
2209 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211 cf::cleanup "db_open(db): $!" if $!;
2212 };
2213 cf::cleanup "db_open(db): $@" if $@;
2214 };
2215
2169 my $path = cf::localdir . "/database.pst"; 2216 my $path = cf::localdir . "/database.pst";
2217 if (stat $path) {
2218 cf::sync_job {
2219 my $pst = Storable::retrieve $path;
2170 2220
2171 sub db_load() { 2221 cf::db_put (board => data => $pst->{board});
2172 $DB = stat $path ? Storable::retrieve $path : { }; 2222 cf::db_put (guildrules => data => $pst->{guildrules});
2173 } 2223 cf::db_put (rent => balance => $pst->{rent}{balance});
2224 BDB::db_env_txn_checkpoint $DB_ENV;
2174 2225
2175 my $pid; 2226 unlink $path;
2176
2177 sub db_save() {
2178 waitpid $pid, 0 if $pid;
2179 if (0 == ($pid = fork)) {
2180 $DB->{_meta}{version} = 1;
2181 Storable::nstore $DB, "$path~";
2182 rename "$path~", $path;
2183 cf::_exit 0 if defined $pid;
2184 } 2227 };
2185 }
2186
2187 my $dirty;
2188
2189 sub db_sync() {
2190 db_save if $dirty;
2191 undef $dirty;
2192 }
2193
2194 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195 db_sync;
2196 }); 2228 }
2229}
2197 2230
2198 sub db_dirty() {
2199 $dirty = 1;
2200 $idle->start;
2201 }
2202
2203 sub db_get($;$) { 2231sub db_get($$) {
2204 @_ >= 2 2232 my $key = "$_[0]/$_[1]";
2205 ? $DB->{$_[0]}{$_[1]}
2206 : ($DB->{$_[0]} ||= { })
2207 }
2208 2233
2234 cf::sync_job {
2235 BDB::db_get $DB, undef, $key, my $data;
2236
2237 $! ? ()
2238 : Compress::LZF::sthaw $data
2239 }
2240}
2241
2209 sub db_put($$;$) { 2242sub db_put($$$) {
2210 if (@_ >= 3) { 2243 BDB::dbreq_pri 4;
2211 $DB->{$_[0]}{$_[1]} = $_[2]; 2244 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2212 } else {
2213 $DB->{$_[0]} = $_[1];
2214 }
2215 db_dirty;
2216 }
2217
2218 cf::global->attach (
2219 prio => 10000,
2220 on_cleanup => sub {
2221 db_sync;
2222 },
2223 );
2224} 2245}
2225 2246
2226############################################################################# 2247#############################################################################
2227# the server's main() 2248# the server's init and main functions
2249
2250sub load_resources {
2251 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2252 or die "unable to load regions file\n";#d#
2253}
2228 2254
2229sub cfg_load { 2255sub cfg_load {
2230 open my $fh, "<:utf8", cf::confdir . "/config" 2256 open my $fh, "<:utf8", cf::confdir . "/config"
2231 or return; 2257 or return;
2232 2258
… …
2245 }; 2271 };
2246 warn $@ if $@; 2272 warn $@ if $@;
2247 } 2273 }
2248} 2274}
2249 2275
2276sub init {
2277 load_resources;
2278}
2279
2250sub main { 2280sub main {
2251 # we must not ever block the main coroutine 2281 # we must not ever block the main coroutine
2252 local $Coro::idle = sub { 2282 local $Coro::idle = sub {
2253 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2283 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2284 (async {
2254 async { Event::one_event }; 2285 Event::one_event;
2286 })->prio (Coro::PRIO_MAX);
2255 }; 2287 };
2256 2288
2257 cfg_load; 2289 cfg_load;
2258 db_load;
2259 load_extensions; 2290 load_extensions;
2291
2292 $TICK_WATCHER->start;
2260 Event::loop; 2293 Event::loop;
2261} 2294}
2262 2295
2263############################################################################# 2296#############################################################################
2264# initialisation and cleanup 2297# initialisation and cleanup
2265 2298
2266# install some emergency cleanup handlers 2299# install some emergency cleanup handlers
2267BEGIN { 2300BEGIN {
2268 for my $signal (qw(INT HUP TERM)) { 2301 for my $signal (qw(INT HUP TERM)) {
2269 Event->signal ( 2302 Event->signal (
2303 reentrant => 0,
2270 data => WF_AUTOCANCEL, 2304 data => WF_AUTOCANCEL,
2271 signal => $signal, 2305 signal => $signal,
2306 prio => 0,
2272 cb => sub { 2307 cb => sub {
2273 cf::cleanup "SIG$signal"; 2308 cf::cleanup "SIG$signal";
2274 }, 2309 },
2275 ); 2310 );
2276 } 2311 }
2277} 2312}
… …
2282 warn "enter emergency perl save\n"; 2317 warn "enter emergency perl save\n";
2283 2318
2284 cf::sync_job { 2319 cf::sync_job {
2285 # use a peculiar iteration method to avoid tripping on perl 2320 # use a peculiar iteration method to avoid tripping on perl
2286 # refcount bugs in for. also avoids problems with players 2321 # refcount bugs in for. also avoids problems with players
2287 # and maps saved/Destroyed asynchronously. 2322 # and maps saved/destroyed asynchronously.
2288 warn "begin emergency player save\n"; 2323 warn "begin emergency player save\n";
2289 for my $login (keys %cf::PLAYER) { 2324 for my $login (keys %cf::PLAYER) {
2290 my $pl = $cf::PLAYER{$login} or next; 2325 my $pl = $cf::PLAYER{$login} or next;
2291 $pl->valid or next; 2326 $pl->valid or next;
2292 $pl->save; 2327 $pl->save;
… …
2298 my $map = $cf::MAP{$path} or next; 2333 my $map = $cf::MAP{$path} or next;
2299 $map->valid or next; 2334 $map->valid or next;
2300 $map->save; 2335 $map->save;
2301 } 2336 }
2302 warn "end emergency map save\n"; 2337 warn "end emergency map save\n";
2338
2339 warn "begin emergency database checkpoint\n";
2340 BDB::db_env_txn_checkpoint $DB_ENV;
2341 warn "end emergency database checkpoint\n";
2303 }; 2342 };
2304 2343
2305 warn "leave emergency perl save\n"; 2344 warn "leave emergency perl save\n";
2306} 2345}
2307 2346
2308sub reload() { 2347sub reload() {
2309 # can/must only be called in main 2348 # can/must only be called in main
2310 if ($Coro::current != $Coro::main) { 2349 if ($Coro::current != $Coro::main) {
2311 warn "can only reload from main coroutine\n"; 2350 warn "can only reload from main coroutine";
2312 return; 2351 return;
2313 } 2352 }
2314 2353
2315 warn "reloading..."; 2354 warn "reloading...";
2316 2355
2317 warn "freezing server"; 2356 warn "cancelling server ticker";
2318 my $guard = freeze_mainloop; 2357 $TICK_WATCHER->cancel;
2358
2319 cf::emergency_save; 2359 cf::emergency_save;
2320
2321 warn "sync database to disk";
2322 cf::db_sync;
2323 IO::AIO::flush;
2324 2360
2325 eval { 2361 eval {
2326 # if anything goes wrong in here, we should simply crash as we already saved 2362 # if anything goes wrong in here, we should simply crash as we already saved
2327 2363
2328 warn "cancel all watchers"; 2364 warn "cancelling all WF_AUTOCANCEL watchers";
2329 for (Event::all_watchers) { 2365 for (Event::all_watchers) {
2330 $_->cancel if $_->data & WF_AUTOCANCEL; 2366 $_->cancel if $_->data & WF_AUTOCANCEL;
2331 } 2367 }
2332 2368
2369 warn "syncing database to disk";
2370 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371
2372 warn "flushing outstanding aio requests";
2373 for (;;) {
2374 BDB::flush;
2375 IO::AIO::flush;
2376 Coro::cede;
2377 last unless IO::AIO::nreqs || BDB::nreqs;
2378 warn "iterate...";
2379 }
2380
2333 warn "cancel all extension coros"; 2381 warn "cancelling all extension coros";
2334 $_->cancel for values %EXT_CORO; 2382 $_->cancel for values %EXT_CORO;
2335 %EXT_CORO = (); 2383 %EXT_CORO = ();
2336 2384
2337 warn "remove commands"; 2385 warn "removing commands";
2338 %COMMAND = (); 2386 %COMMAND = ();
2339 2387
2340 warn "remove ext commands"; 2388 warn "removing ext commands";
2341 %EXTCMD = (); 2389 %EXTCMD = ();
2342 2390
2343 warn "unload/nuke all extensions"; 2391 warn "unloading/nuking all extensions";
2344 for my $pkg (@EXTS) { 2392 for my $pkg (@EXTS) {
2345 warn "... unloading $pkg"; 2393 warn "... unloading $pkg";
2346 2394
2347 if (my $cb = $pkg->can ("unload")) { 2395 if (my $cb = $pkg->can ("unload")) {
2348 eval { 2396 eval {
… …
2353 2401
2354 warn "... nuking $pkg"; 2402 warn "... nuking $pkg";
2355 Symbol::delete_package $pkg; 2403 Symbol::delete_package $pkg;
2356 } 2404 }
2357 2405
2358 warn "unload all perl modules loaded from $LIBDIR"; 2406 warn "unloading all perl modules loaded from $LIBDIR";
2359 while (my ($k, $v) = each %INC) { 2407 while (my ($k, $v) = each %INC) {
2360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2408 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361 2409
2362 warn "removing <$k>"; 2410 warn "... unloading $k";
2363 delete $INC{$k}; 2411 delete $INC{$k};
2364 2412
2365 $k =~ s/\.pm$//; 2413 $k =~ s/\.pm$//;
2366 $k =~ s/\//::/g; 2414 $k =~ s/\//::/g;
2367 2415
… …
2370 } 2418 }
2371 2419
2372 Symbol::delete_package $k; 2420 Symbol::delete_package $k;
2373 } 2421 }
2374 2422
2375 warn "get rid of safe::, as good as possible"; 2423 warn "getting rid of safe::, as good as possible";
2376 Symbol::delete_package "safe::$_" 2424 Symbol::delete_package "safe::$_"
2377 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2425 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378 2426
2379 warn "unload cf.pm \"a bit\""; 2427 warn "unloading cf.pm \"a bit\"";
2380 delete $INC{"cf.pm"}; 2428 delete $INC{"cf.pm"};
2381 2429
2382 # don't, removes xs symbols, too, 2430 # don't, removes xs symbols, too,
2383 # and global variables created in xs 2431 # and global variables created in xs
2384 #Symbol::delete_package __PACKAGE__; 2432 #Symbol::delete_package __PACKAGE__;
2385 2433
2434 warn "unload completed, starting to reload now";
2435
2386 warn "reloading cf.pm"; 2436 warn "reloading cf.pm";
2387 require cf; 2437 require cf;
2388 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2438 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389 2439
2390 warn "load config and database again"; 2440 warn "loading config and database again";
2391 cf::cfg_load; 2441 cf::cfg_load;
2392 cf::db_load;
2393 2442
2394 warn "load extensions"; 2443 warn "loading extensions";
2395 cf::load_extensions; 2444 cf::load_extensions;
2396 2445
2397 warn "reattach attachments to objects/players"; 2446 warn "reattaching attachments to objects/players";
2398 _global_reattach; 2447 _global_reattach;
2399 warn "reattach attachments to maps"; 2448 warn "reattaching attachments to maps";
2400 reattach $_ for values %MAP; 2449 reattach $_ for values %MAP;
2450
2451 warn "loading reloadable resources";
2452 load_resources;
2453
2454 warn "restarting server ticker";
2455
2456 $TICK_WATCHER->start;
2401 }; 2457 };
2402 2458
2403 if ($@) { 2459 if ($@) {
2404 warn $@; 2460 warn $@;
2405 warn "error while reloading, exiting."; 2461 warn "error while reloading, exiting.";
… …
2407 } 2463 }
2408 2464
2409 warn "reloaded"; 2465 warn "reloaded";
2410}; 2466};
2411 2467
2412############################################################################# 2468our $RELOAD_WATCHER; # used only during reload
2413
2414unless ($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} = $LINK_MAP;
2453}
2454 2469
2455register_command "reload" => sub { 2470register_command "reload" => sub {
2456 my ($who, $arg) = @_; 2471 my ($who, $arg) = @_;
2457 2472
2458 if ($who->flag (FLAG_WIZ)) { 2473 if ($who->flag (FLAG_WIZ)) {
2459 $who->message ("start of reload."); 2474 $who->message ("reloading server.");
2475
2476 # doing reload synchronously and two reloads happen back-to-back,
2477 # coro crashes during coro_state_free->destroy here.
2478
2479 $RELOAD_WATCHER ||= Event->timer (
2480 reentrant => 0,
2481 after => 0,
2482 data => WF_AUTOCANCEL,
2483 cb => sub {
2460 reload; 2484 reload;
2461 $who->message ("end of reload."); 2485 undef $RELOAD_WATCHER;
2486 },
2487 );
2462 } 2488 }
2463}; 2489};
2464 2490
2465unshift @INC, $LIBDIR; 2491unshift @INC, $LIBDIR;
2492
2493my $bug_warning = 0;
2466 2494
2467$TICK_WATCHER = Event->timer ( 2495$TICK_WATCHER = Event->timer (
2468 reentrant => 0, 2496 reentrant => 0,
2497 parked => 1,
2469 prio => 0, 2498 prio => 0,
2470 at => $NEXT_TICK || $TICK, 2499 at => $NEXT_TICK || $TICK,
2471 data => WF_AUTOCANCEL, 2500 data => WF_AUTOCANCEL,
2472 cb => sub { 2501 cb => sub {
2502 if ($Coro::current != $Coro::main) {
2503 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504 unless ++$bug_warning > 10;
2505 return;
2506 }
2507
2508 $NOW = Event::time;
2509
2473 cf::server_tick; # one server iteration 2510 cf::server_tick; # one server iteration
2474 $RUNTIME += $TICK; 2511 $RUNTIME += $TICK;
2475 $NEXT_TICK += $TICK; 2512 $NEXT_TICK += $TICK;
2476 2513
2477 $WAIT_FOR_TICK->broadcast; 2514 $WAIT_FOR_TICK->broadcast;
2478 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2515 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2516
2517 Event::sweep;
2518 Coro::cede_notself;
2519
2520# my $AFTER = Event::time;
2521# warn $AFTER - $NOW;#d#
2479 2522
2480 # if we are delayed by four ticks or more, skip them all 2523 # if we are delayed by four ticks or more, skip them all
2481 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2524 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2482 2525
2483 $TICK_WATCHER->at ($NEXT_TICK); 2526 $TICK_WATCHER->at ($NEXT_TICK);
2484 $TICK_WATCHER->start; 2527 $TICK_WATCHER->start;
2485 }, 2528 },
2486); 2529);
2487 2530
2531{
2532 BDB::max_poll_time $TICK * 0.1;
2533 $BDB_POLL_WATCHER = Event->io (
2534 reentrant => 0,
2535 fd => BDB::poll_fileno,
2536 poll => 'r',
2537 prio => 0,
2538 data => WF_AUTOCANCEL,
2539 cb => \&BDB::poll_cb,
2540 );
2541 BDB::min_parallel 8;
2542
2543 BDB::set_sync_prepare {
2544 my $status;
2545 my $current = $Coro::current;
2546 (
2547 sub {
2548 $status = $!;
2549 $current->ready; undef $current;
2550 },
2551 sub {
2552 Coro::schedule while defined $current;
2553 $! = $status;
2554 },
2555 )
2556 };
2557
2558 unless ($DB_ENV) {
2559 $DB_ENV = BDB::db_env_create;
2560
2561 cf::sync_job {
2562 eval {
2563 BDB::db_env_open
2564 $DB_ENV,
2565 $BDB_ENV_DIR,
2566 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568 0666;
2569
2570 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2571
2572 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573 $DB_ENV->set_lk_detect;
2574 };
2575
2576 cf::cleanup "db_env_open(db): $@" if $@;
2577 };
2578 }
2579}
2580
2581{
2582 IO::AIO::min_parallel 8;
2583
2584 undef $Coro::AIO::WATCHER;
2488IO::AIO::max_poll_time $TICK * 0.2; 2585 IO::AIO::max_poll_time $TICK * 0.1;
2489 2586 $AIO_POLL_WATCHER = Event->io (
2490Event->io ( 2587 reentrant => 0,
2491 fd => IO::AIO::poll_fileno, 2588 fd => IO::AIO::poll_fileno,
2492 poll => 'r', 2589 poll => 'r',
2493 prio => 5, 2590 prio => 6,
2494 data => WF_AUTOCANCEL, 2591 data => WF_AUTOCANCEL,
2495 cb => \&IO::AIO::poll_cb, 2592 cb => \&IO::AIO::poll_cb,
2496); 2593 );
2594}
2497 2595
2498Event->timer ( 2596$WRITE_RUNTIME_WATCHER = Event->timer (
2597 reentrant => 0,
2499 data => WF_AUTOCANCEL, 2598 data => WF_AUTOCANCEL,
2500 after => 0, 2599 after => 1,
2501 interval => 10, 2600 interval => 10,
2502 cb => sub { 2601 prio => 6, # keep it lowest so it acts like a watchdog
2503 (Coro::unblock_sub { 2602 cb => Coro::unblock_sub {
2504 write_runtime 2603 write_runtime
2505 or warn "ERROR: unable to write runtime file: $!"; 2604 or warn "ERROR: unable to write runtime file: $!";
2506 })->();
2507 }, 2605 },
2508); 2606);
2509 2607
2510END { cf::emergency_save } 2608END { cf::emergency_save }
2511 2609

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