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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.190 by root, Mon Jan 22 03:44:41 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 3.4 ();
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;
… …
33 33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 35
36our %COMMAND = (); 36our %COMMAND = ();
37our %COMMAND_TIME = (); 37our %COMMAND_TIME = ();
38
39our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 40our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps
39 43
40our @EVENT; 44our @EVENT;
41our $LIBDIR = datadir . "/ext"; 45our $LIBDIR = datadir . "/ext";
42 46
43our $TICK = MAX_TIME * 1e-6; 47our $TICK = MAX_TIME * 1e-6;
44our $TICK_WATCHER; 48our $TICK_WATCHER;
49our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER;
45our $NEXT_TICK; 51our $NEXT_TICK;
46our $NOW; 52our $NOW;
47 53
48our %CFG; 54our %CFG;
49 55
50our $UPTIME; $UPTIME ||= time; 56our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 57our $RUNTIME;
52 58
53our %PLAYER; # all users 59our %PLAYER; # all users
54our %MAP; # all maps 60our %MAP; # all maps
55our $LINK_MAP; # the special {link} map 61our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random"; 62our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions
58 63
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60our $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
61 69
62binmode STDOUT; 70binmode STDOUT;
63binmode STDERR; 71binmode STDERR;
64 72
65# read virtual server time, if available 73# read virtual server time, if available
… …
73mkdir cf::localdir . "/" . cf::playerdir; 81mkdir cf::localdir . "/" . cf::playerdir;
74mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
77 85
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
81 87
82############################################################################# 88#############################################################################
83 89
84=head2 GLOBAL VARIABLES 90=head2 GLOBAL VARIABLES
… …
156} 162}
157 163
158$Event::DIED = sub { 164$Event::DIED = sub {
159 warn "error in event callback: @_"; 165 warn "error in event callback: @_";
160}; 166};
161
162my %ext_pkg;
163my @exts;
164my @hook;
165 167
166=head2 UTILITY FUNCTIONS 168=head2 UTILITY FUNCTIONS
167 169
168=over 4 170=over 4
169 171
… …
257} 259}
258 260
259sub freeze_mainloop { 261sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 262 return unless $TICK_WATCHER->is_active;
261 263
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 264 my $guard = Coro::guard {
265 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 };
268 $WRITE_RUNTIME_WATCHER->stop;
263 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
264 $guard 270 $guard
265} 271}
266 272
267=item cf::async { BLOCK } 273=item cf::async { BLOCK }
… …
319 } 325 }
320} 326}
321 327
322=item $coro = cf::async_ext { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
323 329
324Like async, but this coro is automcatially being canceled when the 330Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 331extension calling this is being unloaded.
326 332
327=cut 333=cut
328 334
329sub async_ext(&) { 335sub async_ext(&) {
… …
343 my $runtime = cf::localdir . "/runtime"; 349 my $runtime = cf::localdir . "/runtime";
344 350
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346 or return; 352 or return;
347 353
354 my $value = $cf::RUNTIME + 90 + 10;
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 355 # 10 is the runtime save interval, for a monotonic clock
356 # 60 allows for the watchdog to kill the server.
357
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0 358 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return; 359 and return;
351 360
352 aio_fsync $fh 361 aio_fsync $fh
353 and return; 362 and return;
… …
362} 371}
363 372
364=back 373=back
365 374
366=cut 375=cut
367
368#############################################################################
369
370package cf::path;
371
372# used to convert map paths into valid unix filenames by repalcing / by ∕
373our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375sub new {
376 my ($class, $path, $base) = @_;
377
378 $path = $path->as_string if ref $path;
379
380 my $self = bless { }, $class;
381
382 # {... are special paths that are not touched
383 # ?xxx/... are special absolute paths
384 # ?random/... random maps
385 # /! non-realised random map exit
386 # /... normal maps
387 # ~/... per-player maps without a specific player (DO NOT USE)
388 # ~user/... per-player map of a specific user
389
390 if ($path =~ /^{/) {
391 # fine as it is
392 } elsif ($path =~ s{^\?random/}{}) {
393 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394 $self->{random} = cf::from_json $data;
395 } else {
396 if ($path =~ s{^~([^/]+)?}{}) {
397 $self->{user_rel} = 1;
398
399 if (defined $1) {
400 $self->{user} = $1;
401 } elsif ($base =~ m{^~([^/]+)/}) {
402 $self->{user} = $1;
403 } else {
404 warn "cannot resolve user-relative path without user <$path,$base>\n";
405 }
406 } elsif ($path =~ /^\//) {
407 # already absolute
408 } else {
409 $base =~ s{[^/]+/?$}{};
410 return $class->new ("$base/$path");
411 }
412
413 for ($path) {
414 redo if s{/\.?/}{/};
415 redo if s{/[^/]+/\.\./}{/};
416 }
417 }
418
419 $self->{path} = $path;
420
421 $self
422}
423
424# the name / primary key / in-game path
425sub as_string {
426 my ($self) = @_;
427
428 $self->{user_rel} ? "~$self->{user}$self->{path}"
429 : $self->{random} ? "?random/$self->{path}"
430 : $self->{path}
431}
432
433# the displayed name, this is a one way mapping
434sub visible_name {
435 my ($self) = @_;
436
437# if (my $rmp = $self->{random}) {
438# # todo: be more intelligent about this
439# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440# } else {
441 $self->as_string
442# }
443}
444
445# escape the /'s in the path
446sub _escaped_path {
447 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448 $path
449}
450
451# the original (read-only) location
452sub load_path {
453 my ($self) = @_;
454
455 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456}
457
458# the temporary/swap location
459sub save_path {
460 my ($self) = @_;
461
462 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465}
466
467# the unique path, might be eq to save_path
468sub uniq_path {
469 my ($self) = @_;
470
471 $self->{user_rel} || $self->{random}
472 ? undef
473 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474}
475
476# return random map parameters, or undef
477sub random_map_params {
478 my ($self) = @_;
479
480 $self->{random}
481}
482
483# this is somewhat ugly, but style maps do need special treatment
484sub is_style_map {
485 $_[0]{path} =~ m{^/styles/}
486}
487
488package cf;
489 376
490############################################################################# 377#############################################################################
491 378
492=head2 ATTACHABLE OBJECTS 379=head2 ATTACHABLE OBJECTS
493 380
… …
619our @CB_TYPE = (); # registry for type (cf-object class) based events 506our @CB_TYPE = (); # registry for type (cf-object class) based events
620our @CB_MAP = (); 507our @CB_MAP = ();
621 508
622my %attachment; 509my %attachment;
623 510
511sub cf::attachable::thawer_merge {
512 # simply override everything except _meta
513 local $_[0]{_meta};
514 %{$_[0]} = %{$_[1]};
515}
516
624sub _attach_cb($$$$) { 517sub _attach_cb($$$$) {
625 my ($registry, $event, $prio, $cb) = @_; 518 my ($registry, $event, $prio, $cb) = @_;
626 519
627 use sort 'stable'; 520 use sort 'stable';
628 521
… …
799# object support 692# object support
800 693
801sub reattach { 694sub reattach {
802 # basically do the same as instantiate, without calling instantiate 695 # basically do the same as instantiate, without calling instantiate
803 my ($obj) = @_; 696 my ($obj) = @_;
697
698 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804 699
805 my $registry = $obj->registry; 700 my $registry = $obj->registry;
806 701
807 @$registry = (); 702 @$registry = ();
808 703
… …
940=cut 835=cut
941 836
942sub register_extcmd { 837sub register_extcmd {
943 my ($name, $cb) = @_; 838 my ($name, $cb) = @_;
944 839
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 840 $EXTCMD{$name} = $cb;
949} 841}
950 842
951cf::player->attach ( 843cf::player->attach (
952 on_command => sub { 844 on_command => sub {
953 my ($pl, $name, $params) = @_; 845 my ($pl, $name, $params) = @_;
… …
966 858
967 my $msg = eval { from_json $buf }; 859 my $msg = eval { from_json $buf };
968 860
969 if (ref $msg) { 861 if (ref $msg) {
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 862 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 863 if (my %reply = $cb->($pl, $msg)) {
972 $pl->ext_reply ($msg->{msgid}, %reply); 864 $pl->ext_reply ($msg->{msgid}, %reply);
973 } 865 }
974 } 866 }
975 } else { 867 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 868 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
… …
978 870
979 cf::override; 871 cf::override;
980 }, 872 },
981); 873);
982 874
983sub register {
984 my ($base, $pkg) = @_;
985
986 #TODO
987}
988
989sub load_extension { 875sub load_extension {
990 my ($path) = @_; 876 my ($path) = @_;
991 877
992 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 878 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
993 my $base = $1; 879 my $base = $1;
994 my $pkg = $1; 880 my $pkg = $1;
995 $pkg =~ s/[^[:word:]]/_/g; 881 $pkg =~ s/[^[:word:]]/_/g;
996 $pkg = "ext::$pkg"; 882 $pkg = "ext::$pkg";
997 883
998 warn "loading '$path' into '$pkg'\n"; 884 warn "... loading '$path' into '$pkg'\n";
999 885
1000 open my $fh, "<:utf8", $path 886 open my $fh, "<:utf8", $path
1001 or die "$path: $!"; 887 or die "$path: $!";
1002 888
1003 my $source = 889 my $source =
1004 "package $pkg; use strict; use utf8;\n" 890 "package $pkg; use strict; use utf8;\n"
1005 . "#line 1 \"$path\"\n{\n" 891 . "#line 1 \"$path\"\n{\n"
1006 . (do { local $/; <$fh> }) 892 . (do { local $/; <$fh> })
1007 . "\n};\n1"; 893 . "\n};\n1";
1008 894
1009 eval $source 895 unless (eval $source) {
1010 or die $@ ? "$path: $@\n" 896 my $msg = $@ ? "$path: $@\n"
1011 : "extension disabled.\n"; 897 : "extension disabled.\n";
1012 898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013 push @exts, $pkg; 899 warn $@;
1014 $ext_pkg{$base} = $pkg; 900 warn "mandatory extension failed to load, exiting.\n";
1015 901 exit 1;
1016# no strict 'refs'; 902 }
1017# @{"$pkg\::ISA"} = ext::; 903 die $@;
1018
1019 register $base, $pkg;
1020}
1021
1022sub unload_extension {
1023 my ($pkg) = @_;
1024
1025 warn "removing extension $pkg\n";
1026
1027 # remove hooks
1028 #TODO
1029# for my $idx (0 .. $#PLUGIN_EVENT) {
1030# delete $hook[$idx]{$pkg};
1031# } 904 }
1032 905
1033 # remove commands 906 push @EXTS, $pkg;
1034 for my $name (keys %COMMAND) {
1035 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037 if (@cb) {
1038 $COMMAND{$name} = \@cb;
1039 } else {
1040 delete $COMMAND{$name};
1041 }
1042 }
1043
1044 # remove extcmds
1045 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046 delete $EXTCMD{$name};
1047 }
1048
1049 if (my $cb = $pkg->can ("unload")) {
1050 eval {
1051 $cb->($pkg);
1052 1
1053 } or warn "$pkg unloaded, but with errors: $@";
1054 }
1055
1056 Symbol::delete_package $pkg;
1057} 907}
1058 908
1059sub load_extensions { 909sub load_extensions {
1060 for my $ext (<$LIBDIR/*.ext>) { 910 for my $ext (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 911 next unless -r $ext;
… …
1065 } or warn "$ext not loaded: $@"; 915 } or warn "$ext not loaded: $@";
1066 } 916 }
1067} 917}
1068 918
1069############################################################################# 919#############################################################################
1070# load/save/clean perl data associated with a map
1071
1072*cf::mapsupport::on_clean = sub {
1073 my ($map) = @_;
1074
1075 my $path = $map->tmpname;
1076 defined $path or return;
1077
1078 unlink "$path.pst";
1079};
1080
1081cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083#############################################################################
1084 920
1085=head2 CORE EXTENSIONS 921=head2 CORE EXTENSIONS
1086 922
1087Functions and methods that extend core crossfire objects. 923Functions and methods that extend core crossfire objects.
1088 924
… …
1124 960
1125sub exists($) { 961sub exists($) {
1126 my ($login) = @_; 962 my ($login) = @_;
1127 963
1128 $cf::PLAYER{$login} 964 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 965 or cf::sync_job { !aio_stat path $login }
1130} 966}
1131 967
1132sub find($) { 968sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 969 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 970 my $login = $_[0];
… …
1224 \@logins 1060 \@logins
1225} 1061}
1226 1062
1227=item $player->maps 1063=item $player->maps
1228 1064
1229Returns an arrayref of cf::path's of all maps that are private for this 1065Returns an arrayref of map paths that are private for this
1230player. May block. 1066player. May block.
1231 1067
1232=cut 1068=cut
1233 1069
1234sub maps($) { 1070sub maps($) {
… …
1240 my @paths; 1076 my @paths;
1241 1077
1242 for (@$files) { 1078 for (@$files) {
1243 utf8::decode $_; 1079 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1080 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1081 next unless /^$PATH_SEP/o;
1246 1082
1247 s/$PATH_SEP/\//g; 1083 s/\.map$//;
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1249 } 1085 }
1250 1086
1251 \@paths 1087 \@paths
1252} 1088}
1253 1089
… …
1279package cf::map; 1115package cf::map;
1280 1116
1281use Fcntl; 1117use Fcntl;
1282use Coro::AIO; 1118use Coro::AIO;
1283 1119
1120use overload
1121 '""' => \&as_string,
1122 fallback => 1;
1123
1284our $MAX_RESET = 3600; 1124our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1125our $DEFAULT_RESET = 3000;
1286 1126
1287sub generate_random_map { 1127sub generate_random_map {
1288 my ($path, $rmp) = @_; 1128 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1129 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1130 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1134 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1135 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1136 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1137 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1138 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1139 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}) 1141 (cf::region::find $rmp->{region}), $rmp->{custom}
1142 )
1143}
1144
1145=item cf::map->register ($regex, $prio)
1146
1147Register a handler for the map path matching the given regex at the
1148givne priority (higher is better, built-in handlers have priority 0, the
1149default).
1150
1151=cut
1152
1153sub register {
1154 my (undef, $regex, $prio) = @_;
1155 my $pkg = caller;
1156
1157 no strict;
1158 push @{"$pkg\::ISA"}, __PACKAGE__;
1159
1160 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161}
1162
1163# also paths starting with '/'
1164$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1165
1166sub thawer_merge {
1167 my ($self, $merge) = @_;
1168
1169 # we have to keep some variables in memory intact
1170 local $self->{path};
1171 local $self->{load_path};
1172 local $self->{deny_save};
1173 local $self->{deny_reset};
1174
1175 $self->SUPER::thawer_merge ($merge);
1176}
1177
1178sub normalise {
1179 my ($path, $base) = @_;
1180
1181 # map plan:
1182 #
1183 # /! non-realised random map exit (special hack!)
1184 # {... are special paths that are not being touched
1185 # ?xxx/... are special absolute paths
1186 # ?random/... random maps
1187 # /... normal maps
1188 # ~user/... per-player map of a specific user
1189
1190 $path =~ s/$PATH_SEP/\//go;
1191
1192 # treat it as relative path if it starts with
1193 # something that looks reasonable
1194 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1195 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1196
1197 $base =~ s{[^/]+/?$}{};
1198 $path = "$base/$path";
1199 }
1200
1201 for ($path) {
1202 redo if s{//}{/};
1203 redo if s{/\.?/}{/};
1204 redo if s{/[^/]+/\.\./}{/};
1205 }
1206
1207 $path
1208}
1209
1210sub new_from_path {
1211 my (undef, $path, $base) = @_;
1212
1213 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1214
1215 $path = normalise $path, $base;
1216
1217 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1218 if ($path =~ $EXT_MAP{$pkg}[1]) {
1219 my $self = bless cf::map::new, $pkg;
1220 $self->{path} = $path; $self->path ($path);
1221 $self->init; # pass $1 etc.
1222 return $self;
1223 }
1224 }
1225
1226 Carp::carp "unable to resolve path '$path'.";
1227 ()
1228}
1229
1230sub init {
1231 my ($self) = @_;
1232
1233 $self
1234}
1235
1236sub as_string {
1237 my ($self) = @_;
1238
1239 "$self->{path}"
1240}
1241
1242# the displayed name, this is a one way mapping
1243sub visible_name {
1244 &as_string
1245}
1246
1247# the original (read-only) location
1248sub load_path {
1249 my ($self) = @_;
1250
1251 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1252}
1253
1254# the temporary/swap location
1255sub save_path {
1256 my ($self) = @_;
1257
1258 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1260}
1261
1262# the unique path, undef == no special unique path
1263sub uniq_path {
1264 my ($self) = @_;
1265
1266 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304} 1268}
1305 1269
1306# and all this just because we cannot iterate over 1270# and all this just because we cannot iterate over
1307# all maps in C++... 1271# all maps in C++...
1308sub change_all_map_light { 1272sub change_all_map_light {
… …
1310 1274
1311 $_->change_map_light ($change) 1275 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1276 for grep $_->outdoor, values %cf::MAP;
1313} 1277}
1314 1278
1279sub unlink_save {
1280 my ($self) = @_;
1281
1282 utf8::encode (my $save = $self->save_path);
1283 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1284 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1285}
1286
1315sub try_load_header($) { 1287sub load_header_from($) {
1316 my ($path) = @_; 1288 my ($self, $path) = @_;
1317 1289
1318 utf8::encode $path; 1290 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1291 aio_open $path, O_RDONLY, 0
1320 or return; 1292 or return;
1321 1293
1322 my $map = cf::map::new 1294 $self->_load_header ($path)
1323 or return; 1295 or return;
1324 1296
1325 # for better error messages only, will be overwritten 1297 $self->{load_path} = $path;
1326 $map->path ($path);
1327 1298
1328 $map->load_header ($path) 1299 1
1300}
1301
1302sub load_header_orig {
1303 my ($self) = @_;
1304
1305 $self->load_header_from ($self->load_path)
1306}
1307
1308sub load_header_temp {
1309 my ($self) = @_;
1310
1311 $self->load_header_from ($self->save_path)
1312}
1313
1314sub prepare_temp {
1315 my ($self) = @_;
1316
1317 $self->last_access ((delete $self->{last_access})
1318 || $cf::RUNTIME); #d#
1319 # safety
1320 $self->{instantiate_time} = $cf::RUNTIME
1321 if $self->{instantiate_time} > $cf::RUNTIME;
1322}
1323
1324sub prepare_orig {
1325 my ($self) = @_;
1326
1327 $self->{load_original} = 1;
1328 $self->{instantiate_time} = $cf::RUNTIME;
1329 $self->last_access ($cf::RUNTIME);
1330 $self->instantiate;
1331}
1332
1333sub load_header {
1334 my ($self) = @_;
1335
1336 if ($self->load_header_temp) {
1337 $self->prepare_temp;
1338 } else {
1339 $self->load_header_orig
1329 or return; 1340 or return;
1341 $self->prepare_orig;
1342 }
1330 1343
1331 $map->{load_path} = $path; 1344 1
1332
1333 $map
1334} 1345}
1335 1346
1336sub find; 1347sub find;
1337sub find { 1348sub find {
1338 my ($path, $origin) = @_; 1349 my ($path, $origin) = @_;
1339 1350
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1351 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1352
1345 cf::lock_wait "map_find:$key"; 1353 cf::lock_wait "map_find:$path";
1346 1354
1347 $cf::MAP{$key} || do { 1355 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1356 my $guard = cf::lock_acquire "map_find:$path";
1349 1357 my $map = new_from_path cf::map $path
1350 # do it the slow way
1351 my $map = try_load_header $path->save_path;
1352
1353 Coro::cede;
1354
1355 if ($map) {
1356 $map->last_access ((delete $map->{last_access})
1357 || $cf::RUNTIME); #d#
1358 # safety
1359 $map->{instantiate_time} = $cf::RUNTIME
1360 if $map->{instantiate_time} > $cf::RUNTIME;
1361 } else {
1362 if (my $rmp = $path->random_map_params) {
1363 $map = generate_random_map $key, $rmp;
1364 } else {
1365 $map = try_load_header $path->load_path;
1366 }
1367
1368 $map or return; 1358 or return;
1369 1359
1370 $map->{load_original} = 1;
1371 $map->{instantiate_time} = $cf::RUNTIME;
1372 $map->last_access ($cf::RUNTIME);
1373 $map->instantiate;
1374
1375 # per-player maps become, after loading, normal maps
1376 $map->per_player (0) if $path->{user_rel};
1377 }
1378
1379 $map->path ($key);
1380 $map->{path} = $path;
1381 $map->{last_save} = $cf::RUNTIME; 1360 $map->{last_save} = $cf::RUNTIME;
1382 1361
1383 Coro::cede; 1362 $map->load_header
1363 or return;
1384 1364
1385 if ($map->should_reset) { 1365 if ($map->should_reset) {
1366 # doing this can freeze the server in a sync job, obviously
1367 #$cf::WAIT_FOR_TICK->wait;
1386 $map->reset; 1368 $map->reset;
1387 undef $guard; 1369 undef $guard;
1388 $map = find $path 1370 $map = find $path
1389 or return; 1371 or return;
1390 } 1372 }
1391 1373
1392 $cf::MAP{$key} = $map 1374 $cf::MAP{$path} = $map
1393 } 1375 }
1394} 1376}
1377
1378sub pre_load { }
1379sub post_load { }
1395 1380
1396sub load { 1381sub load {
1397 my ($self) = @_; 1382 my ($self) = @_;
1398 1383
1399 my $path = $self->{path}; 1384 my $path = $self->{path};
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1385 my $guard = cf::lock_acquire "map_load:$path";
1401 1386
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1387 return if $self->in_memory != cf::MAP_SWAPPED;
1403 1388
1404 $self->in_memory (cf::MAP_LOADING); 1389 $self->in_memory (cf::MAP_LOADING);
1405 1390
1406 $self->alloc; 1391 $self->alloc;
1392
1393 $self->pre_load;
1394
1407 $self->load_objects ($self->{load_path}, 1) 1395 $self->_load_objects ($self->{load_path}, 1)
1408 or return; 1396 or return;
1409 1397
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1398 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1399 if delete $self->{load_original};
1412 1400
1413 if (my $uniq = $path->uniq_path) { 1401 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1402 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1403 if (aio_open $uniq, O_RDONLY, 0) {
1416 $self->clear_unique_items; 1404 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1405 $self->_load_objects ($uniq, 0);
1418 } 1406 }
1419 } 1407 }
1420 1408
1421 Coro::cede; 1409 Coro::cede;
1422 1410
1423 # now do the right thing for maps 1411 # now do the right thing for maps
1424 $self->link_multipart_objects; 1412 $self->link_multipart_objects;
1425 1413
1426 if ($self->{path}->is_style_map) { 1414 unless ($self->{deny_activate}) {
1427 $self->{deny_save} = 1; 1415 $self->decay_objects;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply; 1416 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons; 1417 $self->update_buttons;
1418 Coro::cede;
1433 $self->set_darkness_map; 1419 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1420 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1421 unless $self->difficulty;
1422 Coro::cede;
1436 $self->activate; 1423 $self->activate;
1437 } 1424 }
1438 1425
1439 Coro::cede; 1426 $self->post_load;
1440 1427
1441 $self->in_memory (cf::MAP_IN_MEMORY); 1428 $self->in_memory (cf::MAP_IN_MEMORY);
1429}
1430
1431sub customise_for {
1432 my ($self, $ob) = @_;
1433
1434 return find "~" . $ob->name . "/" . $self->{path}
1435 if $self->per_player;
1436
1437 $self
1438}
1439
1440# find and load all maps in the 3x3 area around a map
1441sub load_diag {
1442 my ($map) = @_;
1443
1444 my @diag; # diagonal neighbours
1445
1446 for (0 .. 3) {
1447 my $neigh = $map->tile_path ($_)
1448 or next;
1449 $neigh = find $neigh, $map
1450 or next;
1451 $neigh->load;
1452
1453 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1454 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1455 }
1456
1457 for (@diag) {
1458 my $neigh = find @$_
1459 or next;
1460 $neigh->load;
1461 }
1442} 1462}
1443 1463
1444sub find_sync { 1464sub find_sync {
1445 my ($path, $origin) = @_; 1465 my ($path, $origin) = @_;
1446 1466
1447 cf::sync_job { cf::map::find $path, $origin } 1467 cf::sync_job { find $path, $origin }
1448} 1468}
1449 1469
1450sub do_load_sync { 1470sub do_load_sync {
1451 my ($map) = @_; 1471 my ($map) = @_;
1452 1472
1453 cf::sync_job { $map->load }; 1473 cf::sync_job { $map->load };
1454} 1474}
1455 1475
1476our %MAP_PREFETCH;
1477our $MAP_PREFETCHER = undef;
1478
1479sub find_async {
1480 my ($path, $origin) = @_;
1481
1482 $path = normalise $path, $origin && $origin->{path};
1483
1484 if (my $map = $cf::MAP{$path}) {
1485 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1486 }
1487
1488 undef $MAP_PREFETCH{$path};
1489 $MAP_PREFETCHER ||= cf::async {
1490 while (%MAP_PREFETCH) {
1491 for my $path (keys %MAP_PREFETCH) {
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495
1496 delete $MAP_PREFETCH{$path};
1497 }
1498 }
1499 undef $MAP_PREFETCHER;
1500 };
1501 $MAP_PREFETCHER->prio (6);
1502
1503 ()
1504}
1505
1456sub save { 1506sub save {
1457 my ($self) = @_; 1507 my ($self) = @_;
1458 1508
1459 my $lock = cf::lock_acquire "map_data:" . $self->path; 1509 my $lock = cf::lock_acquire "map_data:" . $self->path;
1460 1510
1461 $self->{last_save} = $cf::RUNTIME; 1511 $self->{last_save} = $cf::RUNTIME;
1462 1512
1463 return unless $self->dirty; 1513 return unless $self->dirty;
1464 1514
1465 my $save = $self->{path}->save_path; utf8::encode $save; 1515 my $save = $self->save_path; utf8::encode $save;
1466 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1516 my $uniq = $self->uniq_path; utf8::encode $uniq;
1467 1517
1468 $self->{load_path} = $save; 1518 $self->{load_path} = $save;
1469 1519
1470 return if $self->{deny_save}; 1520 return if $self->{deny_save};
1471 1521
… …
1474 cf::async { 1524 cf::async {
1475 $_->contr->save for $self->players; 1525 $_->contr->save for $self->players;
1476 }; 1526 };
1477 1527
1478 if ($uniq) { 1528 if ($uniq) {
1479 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1529 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480 $self->save_objects ($uniq, cf::IO_UNIQUES); 1530 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1481 } else { 1531 } else {
1482 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1532 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483 } 1533 }
1484} 1534}
1485 1535
1486sub swap_out { 1536sub swap_out {
1487 my ($self) = @_; 1537 my ($self) = @_;
… …
1501 1551
1502sub reset_at { 1552sub reset_at {
1503 my ($self) = @_; 1553 my ($self) = @_;
1504 1554
1505 # TODO: safety, remove and allow resettable per-player maps 1555 # TODO: safety, remove and allow resettable per-player maps
1506 return 1e99 if $self->{path}{user_rel}; 1556 return 1e99 if $self->isa ("ext::map_per_player");#d#
1507 return 1e99 if $self->{deny_reset}; 1557 return 1e99 if $self->{deny_reset};
1508 1558
1509 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1559 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1560 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511 1561
… …
1516 my ($self) = @_; 1566 my ($self) = @_;
1517 1567
1518 $self->reset_at <= $cf::RUNTIME 1568 $self->reset_at <= $cf::RUNTIME
1519} 1569}
1520 1570
1521sub unlink_save {
1522 my ($self) = @_;
1523
1524 utf8::encode (my $save = $self->{path}->save_path);
1525 aioreq_pri 3; IO::AIO::aio_unlink $save;
1526 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527}
1528
1529sub rename {
1530 my ($self, $new_path) = @_;
1531
1532 $self->unlink_save;
1533
1534 delete $cf::MAP{$self->path};
1535 $self->{path} = new cf::path $new_path;
1536 $self->path ($self->{path}->as_string);
1537 $cf::MAP{$self->path} = $self;
1538
1539 $self->save;
1540}
1541
1542sub reset { 1571sub reset {
1543 my ($self) = @_; 1572 my ($self) = @_;
1544 1573
1545 my $lock = cf::lock_acquire "map_data:" . $self->path; 1574 my $lock = cf::lock_acquire "map_data:$self->{path}";
1546 1575
1547 return if $self->players; 1576 return if $self->players;
1548 return if $self->{path}{user_rel};#d# 1577 return if $self->isa ("ext::map_per_player");#d#
1549 1578
1550 warn "resetting map ", $self->path;#d# 1579 warn "resetting map ", $self->path;#d#
1551 1580
1552 delete $cf::MAP{$self->path}; 1581 delete $cf::MAP{$self->path};
1582
1583 $self->in_memory (cf::MAP_SWAPPED);
1584 $self->clear;
1553 1585
1554 $_->clear_links_to ($self) for values %cf::MAP; 1586 $_->clear_links_to ($self) for values %cf::MAP;
1555 1587
1556 $self->unlink_save; 1588 $self->unlink_save;
1557 $self->destroy; 1589 $self->destroy;
… …
1560my $nuke_counter = "aaaa"; 1592my $nuke_counter = "aaaa";
1561 1593
1562sub nuke { 1594sub nuke {
1563 my ($self) = @_; 1595 my ($self) = @_;
1564 1596
1597 delete $cf::MAP{$self->path};
1598
1599 $self->unlink_save;
1600
1601 bless $self, "cf::map";
1602 delete $self->{deny_reset};
1565 $self->{deny_save} = 1; 1603 $self->{deny_save} = 1;
1566 $self->reset_timeout (1); 1604 $self->reset_timeout (1);
1567 $self->rename ("{nuke}/" . ($nuke_counter++)); 1605 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1606
1607 $cf::MAP{$self->path} = $self;
1608
1568 $self->reset; # polite request, might not happen 1609 $self->reset; # polite request, might not happen
1569} 1610}
1570 1611
1571sub customise_for { 1612=item cf::map::unique_maps
1572 my ($map, $ob) = @_;
1573 1613
1574 if ($map->per_player) { 1614Returns an arrayref of paths of all shared maps that have
1575 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1615instantiated unique items. May block.
1576 }
1577 1616
1578 $map 1617=cut
1618
1619sub unique_maps() {
1620 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1621 or return;
1622
1623 my @paths;
1624
1625 for (@$files) {
1626 utf8::decode $_;
1627 next if /\.pst$/;
1628 next unless /^$PATH_SEP/o;
1629
1630 s/\.map$//;
1631 push @paths, $_;
1632 }
1633
1634 \@paths
1579} 1635}
1580 1636
1581package cf; 1637package cf;
1582 1638
1583=back 1639=back
… …
1655 1711
1656=item $player_object->enter_link 1712=item $player_object->enter_link
1657 1713
1658Freezes the player and moves him/her to a special map (C<{link}>). 1714Freezes the player and moves him/her to a special map (C<{link}>).
1659 1715
1660The player should be reaosnably safe there for short amounts of time. You 1716The player should be reasonably safe there for short amounts of time. You
1661I<MUST> call C<leave_link> as soon as possible, though. 1717I<MUST> call C<leave_link> as soon as possible, though.
1662 1718
1719Will never block.
1720
1663=item $player_object->leave_link ($map, $x, $y) 1721=item $player_object->leave_link ($map, $x, $y)
1664 1722
1665Moves the player out of the specila link map onto the given map. If the 1723Moves the player out of the special C<{link}> map onto the specified
1666map is not valid (or omitted), the player will be moved back to the 1724map. If the map is not valid (or omitted), the player will be moved back
1667location he/she was before the call to C<enter_link>, or, if that fails, 1725to the location he/she was before the call to C<enter_link>, or, if that
1668to the emergency map position. 1726fails, to the emergency map position.
1669 1727
1670Might block. 1728Might block.
1671 1729
1672=cut 1730=cut
1731
1732sub link_map {
1733 unless ($LINK_MAP) {
1734 $LINK_MAP = cf::map::find "{link}"
1735 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1736 $LINK_MAP->load;
1737 }
1738
1739 $LINK_MAP
1740}
1673 1741
1674sub cf::object::player::enter_link { 1742sub cf::object::player::enter_link {
1675 my ($self) = @_; 1743 my ($self) = @_;
1676 1744
1677 $self->deactivate_recursive; 1745 $self->deactivate_recursive;
1678 1746
1679 return if $self->map == $LINK_MAP; 1747 return if UNIVERSAL::isa $self->map, "ext::map_link";
1680 1748
1681 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1749 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682 if $self->map; 1750 if $self->map;
1683 1751
1684 $self->enter_map ($LINK_MAP, 20, 20); 1752 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1685} 1753}
1686 1754
1687sub cf::object::player::leave_link { 1755sub cf::object::player::leave_link {
1688 my ($self, $map, $x, $y) = @_; 1756 my ($self, $map, $x, $y) = @_;
1689 1757
… …
1707 # use -1 or undef as default coordinates, not 0, 0 1775 # use -1 or undef as default coordinates, not 0, 0
1708 ($x, $y) = ($map->enter_x, $map->enter_y) 1776 ($x, $y) = ($map->enter_x, $map->enter_y)
1709 if $x <=0 && $y <= 0; 1777 if $x <=0 && $y <= 0;
1710 1778
1711 $map->load; 1779 $map->load;
1780 $map->load_diag;
1712 1781
1713 return unless $self->contr->active; 1782 return unless $self->contr->active;
1714 $self->activate_recursive; 1783 $self->activate_recursive;
1715 $self->enter_map ($map, $x, $y); 1784 $self->enter_map ($map, $x, $y);
1716} 1785}
… …
1752=cut 1821=cut
1753 1822
1754sub cf::object::player::goto { 1823sub cf::object::player::goto {
1755 my ($self, $path, $x, $y) = @_; 1824 my ($self, $path, $x, $y) = @_;
1756 1825
1757 $path = new cf::path $path;
1758 $path ne "/" or Carp::cluck ("oy");#d#
1759
1760 $self->enter_link; 1826 $self->enter_link;
1761 1827
1762 (async { 1828 (async {
1763 my $map = cf::map::find $path->as_string; 1829 my $map = cf::map::find $path;
1764 $map = $map->customise_for ($self) if $map; 1830 $map = $map->customise_for ($self) if $map;
1765 1831
1766# warn "entering ", $map->path, " at ($x, $y)\n" 1832# warn "entering ", $map->path, " at ($x, $y)\n"
1767# if $map; 1833# if $map;
1768 1834
… …
1778 1844
1779sub parse_random_map_params { 1845sub parse_random_map_params {
1780 my ($spec) = @_; 1846 my ($spec) = @_;
1781 1847
1782 my $rmp = { # defaults 1848 my $rmp = { # defaults
1783 xsize => 10, 1849 xsize => (cf::rndm 15, 40),
1784 ysize => 10, 1850 ysize => (cf::rndm 15, 40),
1851 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1852 #layout => string,
1785 }; 1853 };
1786 1854
1787 for (split /\n/, $spec) { 1855 for (split /\n/, $spec) {
1788 my ($k, $v) = split /\s+/, $_, 2; 1856 my ($k, $v) = split /\s+/, $_, 2;
1789 1857
… …
1793 $rmp 1861 $rmp
1794} 1862}
1795 1863
1796sub prepare_random_map { 1864sub prepare_random_map {
1797 my ($exit) = @_; 1865 my ($exit) = @_;
1866
1867 my $guard = cf::lock_acquire "exit_prepare:$exit";
1798 1868
1799 # all this does is basically replace the /! path by 1869 # all this does is basically replace the /! path by
1800 # a new random map path (?random/...) with a seed 1870 # a new random map path (?random/...) with a seed
1801 # that depends on the exit object 1871 # that depends on the exit object
1802 1872
… …
1811 1881
1812 $rmp->{random_seed} ||= $exit->random_seed; 1882 $rmp->{random_seed} ||= $exit->random_seed;
1813 1883
1814 my $data = cf::to_json $rmp; 1884 my $data = cf::to_json $rmp;
1815 my $md5 = Digest::MD5::md5_hex $data; 1885 my $md5 = Digest::MD5::md5_hex $data;
1886 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1816 1887
1817 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1888 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818 aio_write $fh, 0, (length $data), $data, 0; 1889 aio_write $fh, 0, (length $data), $data, 0;
1890 undef $fh;
1891 aio_rename "$meta~", $meta;
1819 1892
1820 $exit->slaying ("?random/$md5"); 1893 $exit->slaying ("?random/$md5");
1821 $exit->msg (undef); 1894 $exit->msg (undef);
1822 } 1895 }
1823} 1896}
… …
1833 $self->deactivate_recursive; # just to be sure 1906 $self->deactivate_recursive; # just to be sure
1834 unless (eval { 1907 unless (eval {
1835 prepare_random_map $exit 1908 prepare_random_map $exit
1836 if $exit->slaying eq "/!"; 1909 if $exit->slaying eq "/!";
1837 1910
1838 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1911 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1839 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1912 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840 1913
1841 1; 1914 1;
1842 }) { 1915 }) {
1843 $self->message ("Something went wrong deep within the crossfire server. " 1916 $self->message ("Something went wrong deep within the crossfire server. "
1844 . "I'll try to bring you back to the map you were before. " 1917 . "I'll try to bring you back to the map you were before. "
1845 . "Please report this to the dungeon master", 1918 . "Please report this to the dungeon master!",
1846 cf::NDI_UNIQUE | cf::NDI_RED); 1919 cf::NDI_UNIQUE | cf::NDI_RED);
1847 1920
1848 warn "ERROR in enter_exit: $@"; 1921 warn "ERROR in enter_exit: $@";
1849 $self->leave_link; 1922 $self->leave_link;
1850 } 1923 }
… …
2133 sub db_sync() { 2206 sub db_sync() {
2134 db_save if $dirty; 2207 db_save if $dirty;
2135 undef $dirty; 2208 undef $dirty;
2136 } 2209 }
2137 2210
2138 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2211 my $idle = Event->idle (
2139 db_sync; 2212 reentrant => 0,
2213 min => 10,
2214 max => 20,
2215 repeat => 0,
2216 data => WF_AUTOCANCEL,
2217 cb => \&db_sync,
2140 }); 2218 );
2141 2219
2142 sub db_dirty() { 2220 sub db_dirty() {
2143 $dirty = 1; 2221 $dirty = 1;
2144 $idle->start; 2222 $idle->start;
2145 } 2223 }
… …
2193 2271
2194sub main { 2272sub main {
2195 # we must not ever block the main coroutine 2273 # we must not ever block the main coroutine
2196 local $Coro::idle = sub { 2274 local $Coro::idle = sub {
2197 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2275 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2276 (async {
2198 async { Event::one_event }; 2277 Event::one_event;
2278 })->prio (Coro::PRIO_MAX);
2199 }; 2279 };
2200 2280
2201 cfg_load; 2281 cfg_load;
2202 db_load; 2282 db_load;
2203 load_extensions; 2283 load_extensions;
2284
2285 $TICK_WATCHER->start;
2204 Event::loop; 2286 Event::loop;
2205} 2287}
2206 2288
2207############################################################################# 2289#############################################################################
2208# initialisation and cleanup 2290# initialisation and cleanup
2209 2291
2210# install some emergency cleanup handlers 2292# install some emergency cleanup handlers
2211BEGIN { 2293BEGIN {
2212 for my $signal (qw(INT HUP TERM)) { 2294 for my $signal (qw(INT HUP TERM)) {
2213 Event->signal ( 2295 Event->signal (
2296 reentrant => 0,
2214 data => WF_AUTOCANCEL, 2297 data => WF_AUTOCANCEL,
2215 signal => $signal, 2298 signal => $signal,
2216 cb => sub { 2299 cb => sub {
2217 cf::cleanup "SIG$signal"; 2300 cf::cleanup "SIG$signal";
2218 }, 2301 },
2219 ); 2302 );
2220 } 2303 }
2221} 2304}
… …
2226 warn "enter emergency perl save\n"; 2309 warn "enter emergency perl save\n";
2227 2310
2228 cf::sync_job { 2311 cf::sync_job {
2229 # use a peculiar iteration method to avoid tripping on perl 2312 # use a peculiar iteration method to avoid tripping on perl
2230 # refcount bugs in for. also avoids problems with players 2313 # refcount bugs in for. also avoids problems with players
2231 # and maps saved/Destroyed asynchronously. 2314 # and maps saved/destroyed asynchronously.
2232 warn "begin emergency player save\n"; 2315 warn "begin emergency player save\n";
2233 for my $login (keys %cf::PLAYER) { 2316 for my $login (keys %cf::PLAYER) {
2234 my $pl = $cf::PLAYER{$login} or next; 2317 my $pl = $cf::PLAYER{$login} or next;
2235 $pl->valid or next; 2318 $pl->valid or next;
2236 $pl->save; 2319 $pl->save;
… …
2250} 2333}
2251 2334
2252sub reload() { 2335sub reload() {
2253 # can/must only be called in main 2336 # can/must only be called in main
2254 if ($Coro::current != $Coro::main) { 2337 if ($Coro::current != $Coro::main) {
2255 warn "can only reload from main coroutine\n"; 2338 warn "can only reload from main coroutine";
2256 return; 2339 return;
2257 } 2340 }
2258 2341
2259 warn "reloading..."; 2342 warn "reloading...";
2260 2343
2261 my $guard = freeze_mainloop; 2344 warn "cancelling server ticker";
2345 $TICK_WATCHER->cancel;
2346
2262 cf::emergency_save; 2347 cf::emergency_save;
2263 2348
2264 eval { 2349 eval {
2265 # if anything goes wrong in here, we should simply crash as we already saved 2350 # if anything goes wrong in here, we should simply crash as we already saved
2266 2351
2267 # cancel all watchers 2352 warn "syncing database to disk";
2353 cf::db_sync;
2354
2355 warn "cancelling all WF_AUTOCANCEL watchers";
2268 for (Event::all_watchers) { 2356 for (Event::all_watchers) {
2269 $_->cancel if $_->data & WF_AUTOCANCEL; 2357 $_->cancel if $_->data & WF_AUTOCANCEL;
2270 } 2358 }
2271 2359
2360 warn "flushing outstanding aio requests";
2361 for (;;) {
2362 IO::AIO::flush;
2363 Coro::cede;
2364 last unless IO::AIO::nreqs;
2365 warn "iterate...";
2366 }
2367
2272 # cancel all extension coros 2368 warn "cancelling all extension coros";
2273 $_->cancel for values %EXT_CORO; 2369 $_->cancel for values %EXT_CORO;
2274 %EXT_CORO = (); 2370 %EXT_CORO = ();
2275 2371
2276 # unload all extensions 2372 warn "removing commands";
2277 for (@exts) { 2373 %COMMAND = ();
2374
2375 warn "removing ext commands";
2376 %EXTCMD = ();
2377
2378 warn "unloading/nuking all extensions";
2379 for my $pkg (@EXTS) {
2278 warn "unloading <$_>"; 2380 warn "... unloading $pkg";
2279 unload_extension $_; 2381
2382 if (my $cb = $pkg->can ("unload")) {
2383 eval {
2384 $cb->($pkg);
2385 1
2386 } or warn "$pkg unloaded, but with errors: $@";
2280 } 2387 }
2281 2388
2389 warn "... nuking $pkg";
2390 Symbol::delete_package $pkg;
2391 }
2392
2282 # unload all modules loaded from $LIBDIR 2393 warn "unloading all perl modules loaded from $LIBDIR";
2283 while (my ($k, $v) = each %INC) { 2394 while (my ($k, $v) = each %INC) {
2284 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2395 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285 2396
2286 warn "removing <$k>"; 2397 warn "... unloading $k";
2287 delete $INC{$k}; 2398 delete $INC{$k};
2288 2399
2289 $k =~ s/\.pm$//; 2400 $k =~ s/\.pm$//;
2290 $k =~ s/\//::/g; 2401 $k =~ s/\//::/g;
2291 2402
… …
2294 } 2405 }
2295 2406
2296 Symbol::delete_package $k; 2407 Symbol::delete_package $k;
2297 } 2408 }
2298 2409
2299 # sync database to disk
2300 cf::db_sync;
2301 IO::AIO::flush;
2302
2303 # get rid of safe::, as good as possible 2410 warn "getting rid of safe::, as good as possible";
2304 Symbol::delete_package "safe::$_" 2411 Symbol::delete_package "safe::$_"
2305 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2412 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306 2413
2307 # remove register_script_function callbacks
2308 # TODO
2309
2310 # unload cf.pm "a bit" 2414 warn "unloading cf.pm \"a bit\"";
2311 delete $INC{"cf.pm"}; 2415 delete $INC{"cf.pm"};
2312 2416
2313 # don't, removes xs symbols, too, 2417 # don't, removes xs symbols, too,
2314 # and global variables created in xs 2418 # and global variables created in xs
2315 #Symbol::delete_package __PACKAGE__; 2419 #Symbol::delete_package __PACKAGE__;
2316 2420
2317 # reload cf.pm 2421 warn "unload completed, starting to reload now";
2422
2318 warn "reloading cf.pm"; 2423 warn "reloading cf.pm";
2319 require cf; 2424 require cf;
2320 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2425 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321 2426
2322 # load config and database again 2427 warn "loading config and database again";
2323 cf::cfg_load; 2428 cf::cfg_load;
2324 cf::db_load; 2429 cf::db_load;
2325 2430
2326 # load extensions
2327 warn "load extensions"; 2431 warn "loading extensions";
2328 cf::load_extensions; 2432 cf::load_extensions;
2329 2433
2330 # reattach attachments to objects 2434 warn "reattaching attachments to objects/players";
2331 warn "reattach";
2332 _global_reattach; 2435 _global_reattach;
2436 warn "reattaching attachments to maps";
2333 reattach $_ for values %MAP; 2437 reattach $_ for values %MAP;
2438
2439 warn "restarting server ticker";
2440
2441 $TICK_WATCHER->start;
2334 }; 2442 };
2335 2443
2336 if ($@) { 2444 if ($@) {
2337 warn $@; 2445 warn $@;
2338 warn "error while reloading, exiting."; 2446 warn "error while reloading, exiting.";
2339 exit 1; 2447 exit 1;
2340 } 2448 }
2341 2449
2342 warn "reloaded successfully"; 2450 warn "reloaded";
2343}; 2451};
2344 2452
2345############################################################################# 2453our $RELOAD_WATCHER; # used only during reload
2346
2347unless ($LINK_MAP) {
2348 $LINK_MAP = cf::map::new;
2349
2350 $LINK_MAP->width (41);
2351 $LINK_MAP->height (41);
2352 $LINK_MAP->alloc;
2353 $LINK_MAP->path ("{link}");
2354 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357 # dirty hack because... archetypes are not yet loaded
2358 Event->timer (
2359 after => 10,
2360 cb => sub {
2361 $_[0]->w->cancel;
2362
2363 # provide some exits "home"
2364 my $exit = cf::object::new "exit";
2365
2366 $exit->slaying ($EMERGENCY_POSITION->[0]);
2367 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370 $LINK_MAP->insert ($exit->clone, 19, 19);
2371 $LINK_MAP->insert ($exit->clone, 19, 20);
2372 $LINK_MAP->insert ($exit->clone, 19, 21);
2373 $LINK_MAP->insert ($exit->clone, 20, 19);
2374 $LINK_MAP->insert ($exit->clone, 20, 21);
2375 $LINK_MAP->insert ($exit->clone, 21, 19);
2376 $LINK_MAP->insert ($exit->clone, 21, 20);
2377 $LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379 $exit->destroy;
2380 });
2381
2382 $LINK_MAP->{deny_save} = 1;
2383 $LINK_MAP->{deny_reset} = 1;
2384
2385 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386}
2387
2388register "<global>", __PACKAGE__;
2389 2454
2390register_command "reload" => sub { 2455register_command "reload" => sub {
2391 my ($who, $arg) = @_; 2456 my ($who, $arg) = @_;
2392 2457
2393 if ($who->flag (FLAG_WIZ)) { 2458 if ($who->flag (FLAG_WIZ)) {
2394 $who->message ("start of reload."); 2459 $who->message ("reloading server.");
2460
2461 # doing reload synchronously and two reloads happen back-to-back,
2462 # coro crashes during coro_state_free->destroy here.
2463
2464 $RELOAD_WATCHER ||= Event->timer (
2465 reentrant => 0,
2466 after => 0,
2467 data => WF_AUTOCANCEL,
2468 cb => sub {
2395 reload; 2469 reload;
2396 $who->message ("end of reload."); 2470 undef $RELOAD_WATCHER;
2471 },
2472 );
2397 } 2473 }
2398}; 2474};
2399 2475
2400unshift @INC, $LIBDIR; 2476unshift @INC, $LIBDIR;
2477
2478my $bug_warning = 0;
2401 2479
2402$TICK_WATCHER = Event->timer ( 2480$TICK_WATCHER = Event->timer (
2403 reentrant => 0, 2481 reentrant => 0,
2482 parked => 1,
2404 prio => 0, 2483 prio => -1,
2405 at => $NEXT_TICK || $TICK, 2484 at => $NEXT_TICK || $TICK,
2406 data => WF_AUTOCANCEL, 2485 data => WF_AUTOCANCEL,
2407 cb => sub { 2486 cb => sub {
2487 if ($Coro::current != $Coro::main) {
2488 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2489 unless ++$bug_warning > 10;
2490 return;
2491 }
2492
2493 $NOW = Event::time;
2494
2408 cf::server_tick; # one server iteration 2495 cf::server_tick; # one server iteration
2409 $RUNTIME += $TICK; 2496 $RUNTIME += $TICK;
2410 $NEXT_TICK += $TICK; 2497 $NEXT_TICK += $TICK;
2411 2498
2412 $WAIT_FOR_TICK->broadcast; 2499 $WAIT_FOR_TICK->broadcast;
2413 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2500 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2501
2502 my $AFTER = Event::time;
2503 warn $AFTER - $NOW;#d#
2414 2504
2415 # if we are delayed by four ticks or more, skip them all 2505 # if we are delayed by four ticks or more, skip them all
2416 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2506 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417 2507
2418 $TICK_WATCHER->at ($NEXT_TICK); 2508 $TICK_WATCHER->at ($NEXT_TICK);
… …
2420 }, 2510 },
2421); 2511);
2422 2512
2423IO::AIO::max_poll_time $TICK * 0.2; 2513IO::AIO::max_poll_time $TICK * 0.2;
2424 2514
2425Event->io ( 2515undef $Coro::AIO::WATCHER;
2516$AIO_POLL_WATCHER = Event->io (
2517 reentrant => 0,
2426 fd => IO::AIO::poll_fileno, 2518 fd => IO::AIO::poll_fileno,
2427 poll => 'r', 2519 poll => 'r',
2428 prio => 5, 2520 prio => 6,
2429 data => WF_AUTOCANCEL, 2521 data => WF_AUTOCANCEL,
2430 cb => \&IO::AIO::poll_cb, 2522 cb => \&IO::AIO::poll_cb,
2431); 2523);
2432 2524
2433Event->timer ( 2525$WRITE_RUNTIME_WATCHER = Event->timer (
2526 reentrant => 0,
2434 data => WF_AUTOCANCEL, 2527 data => WF_AUTOCANCEL,
2435 after => 0, 2528 after => 1,
2436 interval => 10, 2529 interval => 10,
2437 cb => sub { 2530 prio => 6, # keep it lowest so it acts like a watchdog
2438 (Coro::unblock_sub { 2531 cb => Coro::unblock_sub {
2439 write_runtime 2532 write_runtime
2440 or warn "ERROR: unable to write runtime file: $!"; 2533 or warn "ERROR: unable to write runtime file: $!";
2441 })->();
2442 }, 2534 },
2443); 2535);
2444 2536
2445END { cf::emergency_save } 2537END { cf::emergency_save }
2446 2538

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