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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.186 by root, Sat Jan 20 01:12:39 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;
24use YAML::Syck (); 24use YAML::Syck ();
25use Time::HiRes; 25use Time::HiRes;
26 26
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 27use Event; $Event::Eval = 1; # no idea why this is required, but it is
28 28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
29# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30$YAML::Syck::ImplicitUnicode = 1; 32$YAML::Syck::ImplicitUnicode = 1;
31 33
32$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
33 35
34sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
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 63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= 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
58 69
59binmode STDOUT; 70binmode STDOUT;
60binmode STDERR; 71binmode STDERR;
61 72
62# read virtual server time, if available 73# read virtual server time, if available
70mkdir cf::localdir . "/" . cf::playerdir; 81mkdir cf::localdir . "/" . cf::playerdir;
71mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
72mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
73mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
74 85
75# a special map that is always available
76our $LINK_MAP;
77our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
78 87
79############################################################################# 88#############################################################################
80 89
81=head2 GLOBAL VARIABLES 90=head2 GLOBAL VARIABLES
106 115
107=item %cf::CFG 116=item %cf::CFG
108 117
109Configuration for the server, loaded from C</etc/crossfire/config>, or 118Configuration for the server, loaded from C</etc/crossfire/config>, or
110from wherever your confdir points to. 119from wherever your confdir points to.
120
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
122
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
125processing has been done. Call C<< ->wait >> on them to maximise the
126window of cpu time available, or simply to synchronise to the server tick.
111 127
112=back 128=back
113 129
114=cut 130=cut
115 131
146} 162}
147 163
148$Event::DIED = sub { 164$Event::DIED = sub {
149 warn "error in event callback: @_"; 165 warn "error in event callback: @_";
150}; 166};
151
152my %ext_pkg;
153my @exts;
154my @hook;
155 167
156=head2 UTILITY FUNCTIONS 168=head2 UTILITY FUNCTIONS
157 169
158=over 4 170=over 4
159 171
247} 259}
248 260
249sub freeze_mainloop { 261sub freeze_mainloop {
250 return unless $TICK_WATCHER->is_active; 262 return unless $TICK_WATCHER->is_active;
251 263
252 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;
253 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
254 $guard 270 $guard
255} 271}
256 272
257=item cf::async { BLOCK } 273=item cf::async { BLOCK }
309 } 325 }
310} 326}
311 327
312=item $coro = cf::async_ext { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
313 329
314Like async, but this coro is automcatially being canceled when the 330Like async, but this coro is automatically being canceled when the
315extension calling this is being unloaded. 331extension calling this is being unloaded.
316 332
317=cut 333=cut
318 334
319sub async_ext(&) { 335sub async_ext(&) {
333 my $runtime = cf::localdir . "/runtime"; 349 my $runtime = cf::localdir . "/runtime";
334 350
335 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336 or return; 352 or return;
337 353
354 my $value = $cf::RUNTIME + 90 + 10;
338 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
339 (aio_write $fh, 0, (length $value), $value, 0) <= 0 358 (aio_write $fh, 0, (length $value), $value, 0) <= 0
340 and return; 359 and return;
341 360
342 aio_fsync $fh 361 aio_fsync $fh
343 and return; 362 and return;
352} 371}
353 372
354=back 373=back
355 374
356=cut 375=cut
357
358#############################################################################
359
360package cf::path;
361
362# used to convert map paths into valid unix filenames by repalcing / by ∕
363our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365sub new {
366 my ($class, $path, $base) = @_;
367
368 $path = $path->as_string if ref $path;
369
370 my $self = bless { }, $class;
371
372 # {... are special paths that are not touched
373 # ?xxx/... are special absolute paths
374 # ?random/... random maps
375 # /! non-realised random map exit
376 # /... normal maps
377 # ~/... per-player maps without a specific player (DO NOT USE)
378 # ~user/... per-player map of a specific user
379
380 if ($path =~ /^{/) {
381 # fine as it is
382 } elsif ($path =~ s{^\?random/}{}) {
383 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384 $self->{random} = cf::from_json $data;
385 } else {
386 if ($path =~ s{^~([^/]+)?}{}) {
387 $self->{user_rel} = 1;
388
389 if (defined $1) {
390 $self->{user} = $1;
391 } elsif ($base =~ m{^~([^/]+)/}) {
392 $self->{user} = $1;
393 } else {
394 warn "cannot resolve user-relative path without user <$path,$base>\n";
395 }
396 } elsif ($path =~ /^\//) {
397 # already absolute
398 } else {
399 $base =~ s{[^/]+/?$}{};
400 return $class->new ("$base/$path");
401 }
402
403 for ($path) {
404 redo if s{/\.?/}{/};
405 redo if s{/[^/]+/\.\./}{/};
406 }
407 }
408
409 $self->{path} = $path;
410
411 $self
412}
413
414# the name / primary key / in-game path
415sub as_string {
416 my ($self) = @_;
417
418 $self->{user_rel} ? "~$self->{user}$self->{path}"
419 : $self->{random} ? "?random/$self->{path}"
420 : $self->{path}
421}
422
423# the displayed name, this is a one way mapping
424sub visible_name {
425 my ($self) = @_;
426
427# if (my $rmp = $self->{random}) {
428# # todo: be more intelligent about this
429# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430# } else {
431 $self->as_string
432# }
433}
434
435# escape the /'s in the path
436sub _escaped_path {
437 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438 $path
439}
440
441# the original (read-only) location
442sub load_path {
443 my ($self) = @_;
444
445 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446}
447
448# the temporary/swap location
449sub save_path {
450 my ($self) = @_;
451
452 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455}
456
457# the unique path, might be eq to save_path
458sub uniq_path {
459 my ($self) = @_;
460
461 $self->{user_rel} || $self->{random}
462 ? undef
463 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464}
465
466# return random map parameters, or undef
467sub random_map_params {
468 my ($self) = @_;
469
470 $self->{random}
471}
472
473# this is somewhat ugly, but style maps do need special treatment
474sub is_style_map {
475 $_[0]{path} =~ m{^/styles/}
476}
477
478package cf;
479 376
480############################################################################# 377#############################################################################
481 378
482=head2 ATTACHABLE OBJECTS 379=head2 ATTACHABLE OBJECTS
483 380
609our @CB_TYPE = (); # registry for type (cf-object class) based events 506our @CB_TYPE = (); # registry for type (cf-object class) based events
610our @CB_MAP = (); 507our @CB_MAP = ();
611 508
612my %attachment; 509my %attachment;
613 510
511sub cf::attachable::thawer_merge {
512 # simply override everything except _meta
513 local $_[0]{_meta};
514 %{$_[0]} = %{$_[1]};
515}
516
614sub _attach_cb($$$$) { 517sub _attach_cb($$$$) {
615 my ($registry, $event, $prio, $cb) = @_; 518 my ($registry, $event, $prio, $cb) = @_;
616 519
617 use sort 'stable'; 520 use sort 'stable';
618 521
789# object support 692# object support
790 693
791sub reattach { 694sub reattach {
792 # basically do the same as instantiate, without calling instantiate 695 # basically do the same as instantiate, without calling instantiate
793 my ($obj) = @_; 696 my ($obj) = @_;
697
698 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794 699
795 my $registry = $obj->registry; 700 my $registry = $obj->registry;
796 701
797 @$registry = (); 702 @$registry = ();
798 703
930=cut 835=cut
931 836
932sub register_extcmd { 837sub register_extcmd {
933 my ($name, $cb) = @_; 838 my ($name, $cb) = @_;
934 839
935 my $caller = caller;
936 #warn "registering extcmd '$name' to '$caller'";
937
938 $EXTCMD{$name} = [$cb, $caller]; 840 $EXTCMD{$name} = $cb;
939} 841}
940 842
941cf::player->attach ( 843cf::player->attach (
942 on_command => sub { 844 on_command => sub {
943 my ($pl, $name, $params) = @_; 845 my ($pl, $name, $params) = @_;
956 858
957 my $msg = eval { from_json $buf }; 859 my $msg = eval { from_json $buf };
958 860
959 if (ref $msg) { 861 if (ref $msg) {
960 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 862 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961 if (my %reply = $cb->[0]->($pl, $msg)) { 863 if (my %reply = $cb->($pl, $msg)) {
962 $pl->ext_reply ($msg->{msgid}, %reply); 864 $pl->ext_reply ($msg->{msgid}, %reply);
963 } 865 }
964 } 866 }
965 } else { 867 } else {
966 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 868 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
968 870
969 cf::override; 871 cf::override;
970 }, 872 },
971); 873);
972 874
973sub register {
974 my ($base, $pkg) = @_;
975
976 #TODO
977}
978
979sub load_extension { 875sub load_extension {
980 my ($path) = @_; 876 my ($path) = @_;
981 877
982 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 878 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
983 my $base = $1; 879 my $base = $1;
984 my $pkg = $1; 880 my $pkg = $1;
985 $pkg =~ s/[^[:word:]]/_/g; 881 $pkg =~ s/[^[:word:]]/_/g;
986 $pkg = "ext::$pkg"; 882 $pkg = "ext::$pkg";
987 883
988 warn "loading '$path' into '$pkg'\n"; 884 warn "... loading '$path' into '$pkg'\n";
989 885
990 open my $fh, "<:utf8", $path 886 open my $fh, "<:utf8", $path
991 or die "$path: $!"; 887 or die "$path: $!";
992 888
993 my $source = 889 my $source =
994 "package $pkg; use strict; use utf8;\n" 890 "package $pkg; use strict; use utf8;\n"
995 . "#line 1 \"$path\"\n{\n" 891 . "#line 1 \"$path\"\n{\n"
996 . (do { local $/; <$fh> }) 892 . (do { local $/; <$fh> })
997 . "\n};\n1"; 893 . "\n};\n1";
998 894
999 eval $source 895 unless (eval $source) {
1000 or die $@ ? "$path: $@\n" 896 my $msg = $@ ? "$path: $@\n"
1001 : "extension disabled.\n"; 897 : "extension disabled.\n";
1002 898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003 push @exts, $pkg; 899 warn $@;
1004 $ext_pkg{$base} = $pkg; 900 warn "mandatory extension failed to load, exiting.\n";
1005 901 exit 1;
1006# no strict 'refs'; 902 }
1007# @{"$pkg\::ISA"} = ext::; 903 die $@;
1008
1009 register $base, $pkg;
1010}
1011
1012sub unload_extension {
1013 my ($pkg) = @_;
1014
1015 warn "removing extension $pkg\n";
1016
1017 # remove hooks
1018 #TODO
1019# for my $idx (0 .. $#PLUGIN_EVENT) {
1020# delete $hook[$idx]{$pkg};
1021# } 904 }
1022 905
1023 # remove commands 906 push @EXTS, $pkg;
1024 for my $name (keys %COMMAND) {
1025 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027 if (@cb) {
1028 $COMMAND{$name} = \@cb;
1029 } else {
1030 delete $COMMAND{$name};
1031 }
1032 }
1033
1034 # remove extcmds
1035 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036 delete $EXTCMD{$name};
1037 }
1038
1039 if (my $cb = $pkg->can ("unload")) {
1040 eval {
1041 $cb->($pkg);
1042 1
1043 } or warn "$pkg unloaded, but with errors: $@";
1044 }
1045
1046 Symbol::delete_package $pkg;
1047} 907}
1048 908
1049sub load_extensions { 909sub load_extensions {
1050 for my $ext (<$LIBDIR/*.ext>) { 910 for my $ext (<$LIBDIR/*.ext>) {
1051 next unless -r $ext; 911 next unless -r $ext;
1055 } or warn "$ext not loaded: $@"; 915 } or warn "$ext not loaded: $@";
1056 } 916 }
1057} 917}
1058 918
1059############################################################################# 919#############################################################################
1060# load/save/clean perl data associated with a map
1061
1062*cf::mapsupport::on_clean = sub {
1063 my ($map) = @_;
1064
1065 my $path = $map->tmpname;
1066 defined $path or return;
1067
1068 unlink "$path.pst";
1069};
1070
1071cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073#############################################################################
1074# load/save perl data associated with player->ob objects
1075
1076sub all_objects(@) {
1077 @_, map all_objects ($_->inv), @_
1078}
1079
1080# TODO: compatibility cruft, remove when no longer needed
1081cf::player->attach (
1082 on_load => sub {
1083 my ($pl, $path) = @_;
1084
1085 for my $o (all_objects $pl->ob) {
1086 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087 $o->set_ob_key_value ("_perl_data");
1088
1089 %$o = %{ Storable::thaw pack "H*", $value };
1090 }
1091 }
1092 },
1093);
1094
1095#############################################################################
1096 920
1097=head2 CORE EXTENSIONS 921=head2 CORE EXTENSIONS
1098 922
1099Functions and methods that extend core crossfire objects. 923Functions and methods that extend core crossfire objects.
1100 924
1136 960
1137sub exists($) { 961sub exists($) {
1138 my ($login) = @_; 962 my ($login) = @_;
1139 963
1140 $cf::PLAYER{$login} 964 $cf::PLAYER{$login}
1141 or cf::sync_job { !aio_stat $login } 965 or cf::sync_job { !aio_stat path $login }
1142} 966}
1143 967
1144sub find($) { 968sub find($) {
1145 return $cf::PLAYER{$_[0]} || do { 969 return $cf::PLAYER{$_[0]} || do {
1146 my $login = $_[0]; 970 my $login = $_[0];
1225 my @logins; 1049 my @logins;
1226 1050
1227 for my $login (@$dirs) { 1051 for my $login (@$dirs) {
1228 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1052 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229 aio_read $fh, 0, 512, my $buf, 0 or next; 1053 aio_read $fh, 0, 512, my $buf, 0 or next;
1230 $buf !~ /^password -------------$/ or next; # official not-valid tag 1054 $buf !~ /^password -------------$/m or next; # official not-valid tag
1231 1055
1232 utf8::decode $login; 1056 utf8::decode $login;
1233 push @logins, $login; 1057 push @logins, $login;
1234 } 1058 }
1235 1059
1236 \@logins 1060 \@logins
1237} 1061}
1238 1062
1239=item $player->maps 1063=item $player->maps
1240 1064
1241Returns an arrayref of cf::path's of all maps that are private for this 1065Returns an arrayref of map paths that are private for this
1242player. May block. 1066player. May block.
1243 1067
1244=cut 1068=cut
1245 1069
1246sub maps($) { 1070sub maps($) {
1252 my @paths; 1076 my @paths;
1253 1077
1254 for (@$files) { 1078 for (@$files) {
1255 utf8::decode $_; 1079 utf8::decode $_;
1256 next if /\.(?:pl|pst)$/; 1080 next if /\.(?:pl|pst)$/;
1257 next unless /^$PATH_SEP/; 1081 next unless /^$PATH_SEP/o;
1258 1082
1259 s/$PATH_SEP/\//g; 1083 s/\.map$//;
1260 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1261 } 1085 }
1262 1086
1263 \@paths 1087 \@paths
1264} 1088}
1265 1089
1291package cf::map; 1115package cf::map;
1292 1116
1293use Fcntl; 1117use Fcntl;
1294use Coro::AIO; 1118use Coro::AIO;
1295 1119
1120use overload
1121 '""' => \&as_string,
1122 fallback => 1;
1123
1296our $MAX_RESET = 3600; 1124our $MAX_RESET = 3600;
1297our $DEFAULT_RESET = 3000; 1125our $DEFAULT_RESET = 3000;
1298 1126
1299sub generate_random_map { 1127sub generate_random_map {
1300 my ($path, $rmp) = @_; 1128 my ($self, $rmp) = @_;
1301
1302 # mit "rum" bekleckern, nicht 1129 # mit "rum" bekleckern, nicht
1303 cf::map::_create_random_map 1130 $self->_create_random_map (
1304 $path,
1305 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308 $rmp->{exit_on_final_map}, 1134 $rmp->{exit_on_final_map},
1309 $rmp->{xsize}, $rmp->{ysize}, 1135 $rmp->{xsize}, $rmp->{ysize},
1310 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1136 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1137 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1138 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313 $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},
1314 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315 (cf::region::find $rmp->{region}) 1141 (cf::region::find $rmp->{region}), $rmp->{custom}
1142 )
1143}
1144
1145sub register {
1146 my (undef, $regex) = @_;
1147 my $pkg = caller;
1148
1149 no strict;
1150 push @{"$pkg\::ISA"}, __PACKAGE__;
1151
1152 $EXT_MAP{$pkg} = qr<$regex>;
1153}
1154
1155# also paths starting with '/'
1156$EXT_MAP{"cf::map"} = qr{^(?=/)};
1157
1158sub thawer_merge {
1159 my ($self, $merge) = @_;
1160
1161 # we have to keep some variables in memory intact
1162 local $self->{path};
1163 local $self->{load_path};
1164 local $self->{deny_save};
1165 local $self->{deny_reset};
1166
1167 $self->SUPER::thawer_merge ($merge);
1168}
1169
1170sub normalise {
1171 my ($path, $base) = @_;
1172
1173 # map plan:
1174 #
1175 # /! non-realised random map exit (special hack!)
1176 # {... are special paths that are not being touched
1177 # ?xxx/... are special absolute paths
1178 # ?random/... random maps
1179 # /... normal maps
1180 # ~user/... per-player map of a specific user
1181
1182 $path =~ s/$PATH_SEP/\//go;
1183
1184 # treat it as relative path if it starts with
1185 # something that looks reasonable
1186 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1187 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1188
1189 $base =~ s{[^/]+/?$}{};
1190 $path = "$base/$path";
1191 }
1192
1193 for ($path) {
1194 redo if s{//}{/};
1195 redo if s{/\.?/}{/};
1196 redo if s{/[^/]+/\.\./}{/};
1197 }
1198
1199 $path
1200}
1201
1202sub new_from_path {
1203 my (undef, $path, $base) = @_;
1204
1205 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206
1207 $path = normalise $path, $base;
1208
1209 for my $pkg (keys %EXT_MAP) {
1210 if ($path =~ $EXT_MAP{$pkg}) {
1211 my $self = bless cf::map::new, $pkg;
1212 $self->{path} = $path; $self->path ($path);
1213 $self->init; # pass $1 etc.
1214 return $self;
1215 }
1216 }
1217
1218 Carp::carp "unable to resolve path '$path'.";
1219 ()
1220}
1221
1222sub init {
1223 my ($self) = @_;
1224
1225 $self
1226}
1227
1228sub as_string {
1229 my ($self) = @_;
1230
1231 "$self->{path}"
1232}
1233
1234# the displayed name, this is a one way mapping
1235sub visible_name {
1236 &as_string
1237}
1238
1239# the original (read-only) location
1240sub load_path {
1241 my ($self) = @_;
1242
1243 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1244}
1245
1246# the temporary/swap location
1247sub save_path {
1248 my ($self) = @_;
1249
1250 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1251 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1252}
1253
1254# the unique path, undef == no special unique path
1255sub uniq_path {
1256 my ($self) = @_;
1257
1258 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316} 1260}
1317 1261
1318# and all this just because we cannot iterate over 1262# and all this just because we cannot iterate over
1319# all maps in C++... 1263# all maps in C++...
1320sub change_all_map_light { 1264sub change_all_map_light {
1322 1266
1323 $_->change_map_light ($change) 1267 $_->change_map_light ($change)
1324 for grep $_->outdoor, values %cf::MAP; 1268 for grep $_->outdoor, values %cf::MAP;
1325} 1269}
1326 1270
1271sub unlink_save {
1272 my ($self) = @_;
1273
1274 utf8::encode (my $save = $self->save_path);
1275 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1276 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1277}
1278
1327sub try_load_header($) { 1279sub load_header_from($) {
1328 my ($path) = @_; 1280 my ($self, $path) = @_;
1329 1281
1330 utf8::encode $path; 1282 utf8::encode $path;
1331 aio_open $path, O_RDONLY, 0 1283 aio_open $path, O_RDONLY, 0
1332 or return; 1284 or return;
1333 1285
1334 my $map = cf::map::new 1286 $self->_load_header ($path)
1335 or return; 1287 or return;
1336 1288
1337 # for better error messages only, will be overwritten 1289 $self->{load_path} = $path;
1338 $map->path ($path);
1339 1290
1340 $map->load_header ($path) 1291 1
1292}
1293
1294sub load_orig {
1295 my ($self) = @_;
1296
1297 $self->load_header_from ($self->load_path)
1298}
1299
1300sub load_temp {
1301 my ($self) = @_;
1302
1303 $self->load_header_from ($self->save_path)
1304}
1305
1306sub load_header {
1307 my ($self) = @_;
1308
1309 if ($self->load_temp) {
1310 $self->last_access ((delete $self->{last_access})
1311 || $cf::RUNTIME); #d#
1312 # safety
1313 $self->{instantiate_time} = $cf::RUNTIME
1314 if $self->{instantiate_time} > $cf::RUNTIME;
1315 } else {
1316 $self->load_orig
1341 or return; 1317 or return;
1342 1318
1343 $map->{load_path} = $path; 1319 $self->{load_original} = 1;
1320 $self->{instantiate_time} = $cf::RUNTIME;
1321 $self->last_access ($cf::RUNTIME);
1322 $self->instantiate;
1323 }
1344 1324
1345 $map 1325 1
1346} 1326}
1347 1327
1348sub find; 1328sub find;
1349sub find { 1329sub find {
1350 my ($path, $origin) = @_; 1330 my ($path, $origin) = @_;
1351 1331
1352 #warn "find<$path,$origin>\n";#d#
1353
1354 $path = new cf::path $path, $origin && $origin->path; 1332 $path = normalise $path, $origin && $origin->path;
1355 my $key = $path->as_string;
1356 1333
1357 cf::lock_wait "map_find:$key"; 1334 cf::lock_wait "map_find:$path";
1358 1335
1359 $cf::MAP{$key} || do { 1336 $cf::MAP{$path} || do {
1360 my $guard = cf::lock_acquire "map_find:$key"; 1337 my $guard = cf::lock_acquire "map_find:$path";
1361 1338 my $map = new_from_path cf::map $path
1362 # do it the slow way
1363 my $map = try_load_header $path->save_path;
1364
1365 Coro::cede;
1366
1367 if ($map) {
1368 $map->last_access ((delete $map->{last_access})
1369 || $cf::RUNTIME); #d#
1370 # safety
1371 $map->{instantiate_time} = $cf::RUNTIME
1372 if $map->{instantiate_time} > $cf::RUNTIME;
1373 } else {
1374 if (my $rmp = $path->random_map_params) {
1375 $map = generate_random_map $key, $rmp;
1376 } else {
1377 $map = try_load_header $path->load_path;
1378 }
1379
1380 $map or return; 1339 or return;
1381 1340
1382 $map->{load_original} = 1;
1383 $map->{instantiate_time} = $cf::RUNTIME;
1384 $map->last_access ($cf::RUNTIME);
1385 $map->instantiate;
1386
1387 # per-player maps become, after loading, normal maps
1388 $map->per_player (0) if $path->{user_rel};
1389 }
1390
1391 $map->path ($key);
1392 $map->{path} = $path;
1393 $map->{last_save} = $cf::RUNTIME; 1341 $map->{last_save} = $cf::RUNTIME;
1394 1342
1395 Coro::cede; 1343 $map->load_header
1344 or return;
1396 1345
1397 if ($map->should_reset) { 1346 if ($map->should_reset) {
1347 # doing this can freeze the server in a sync job, obviously
1348 #$cf::WAIT_FOR_TICK->wait;
1398 $map->reset; 1349 $map->reset;
1399 undef $guard; 1350 undef $guard;
1400 $map = find $path 1351 $map = find $path
1401 or return; 1352 or return;
1402 } 1353 }
1403 1354
1404 $cf::MAP{$key} = $map 1355 $cf::MAP{$path} = $map
1405 } 1356 }
1406} 1357}
1407 1358
1408sub load { 1359sub load {
1409 my ($self) = @_; 1360 my ($self) = @_;
1410 1361
1411 my $path = $self->{path}; 1362 my $path = $self->{path};
1412 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1363 my $guard = cf::lock_acquire "map_load:$path";
1413 1364
1414 return if $self->in_memory != cf::MAP_SWAPPED; 1365 return if $self->in_memory != cf::MAP_SWAPPED;
1415 1366
1416 $self->in_memory (cf::MAP_LOADING); 1367 $self->in_memory (cf::MAP_LOADING);
1417 1368
1418 $self->alloc; 1369 $self->alloc;
1419 $self->load_objects ($self->{load_path}, 1) 1370 $self->_load_objects ($self->{load_path}, 1)
1420 or return; 1371 or return;
1421 1372
1422 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1373 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423 if delete $self->{load_original}; 1374 if delete $self->{load_original};
1424 1375
1425 if (my $uniq = $path->uniq_path) { 1376 if (my $uniq = $self->uniq_path) {
1426 utf8::encode $uniq; 1377 utf8::encode $uniq;
1427 if (aio_open $uniq, O_RDONLY, 0) { 1378 if (aio_open $uniq, O_RDONLY, 0) {
1428 $self->clear_unique_items; 1379 $self->clear_unique_items;
1429 $self->load_objects ($uniq, 0); 1380 $self->_load_objects ($uniq, 0);
1430 } 1381 }
1431 } 1382 }
1432 1383
1433 Coro::cede; 1384 Coro::cede;
1434 1385
1435 # now do the right thing for maps 1386 # now do the right thing for maps
1436 $self->link_multipart_objects; 1387 $self->link_multipart_objects;
1437 1388
1438 if ($self->{path}->is_style_map) { 1389 unless ($self->{deny_activate}) {
1439 $self->{deny_save} = 1; 1390 $self->decay_objects;
1440 $self->{deny_reset} = 1;
1441 } else {
1442 $self->fix_auto_apply; 1391 $self->fix_auto_apply;
1443 $self->decay_objects;
1444 $self->update_buttons; 1392 $self->update_buttons;
1393 Coro::cede;
1445 $self->set_darkness_map; 1394 $self->set_darkness_map;
1446 $self->difficulty ($self->estimate_difficulty) 1395 $self->difficulty ($self->estimate_difficulty)
1447 unless $self->difficulty; 1396 unless $self->difficulty;
1397 Coro::cede;
1448 $self->activate; 1398 $self->activate;
1449 } 1399 }
1450 1400
1451 Coro::cede;
1452
1453 $self->in_memory (cf::MAP_IN_MEMORY); 1401 $self->in_memory (cf::MAP_IN_MEMORY);
1402}
1403
1404sub customise_for {
1405 my ($self, $ob) = @_;
1406
1407 return find "~" . $ob->name . "/" . $self->{path}
1408 if $self->per_player;
1409
1410 $self
1411}
1412
1413# find and load all maps in the 3x3 area around a map
1414sub load_diag {
1415 my ($map) = @_;
1416
1417 my @diag; # diagonal neighbours
1418
1419 for (0 .. 3) {
1420 my $neigh = $map->tile_path ($_)
1421 or next;
1422 $neigh = find $neigh, $map
1423 or next;
1424 $neigh->load;
1425
1426 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1427 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1428 }
1429
1430 for (@diag) {
1431 my $neigh = find @$_
1432 or next;
1433 $neigh->load;
1434 }
1454} 1435}
1455 1436
1456sub find_sync { 1437sub find_sync {
1457 my ($path, $origin) = @_; 1438 my ($path, $origin) = @_;
1458 1439
1459 cf::sync_job { cf::map::find $path, $origin } 1440 cf::sync_job { find $path, $origin }
1460} 1441}
1461 1442
1462sub do_load_sync { 1443sub do_load_sync {
1463 my ($map) = @_; 1444 my ($map) = @_;
1464 1445
1465 cf::sync_job { $map->load }; 1446 cf::sync_job { $map->load };
1466} 1447}
1467 1448
1449our %MAP_PREFETCH;
1450our $MAP_PREFETCHER = undef;
1451
1452sub find_async {
1453 my ($path, $origin) = @_;
1454
1455 $path = normalise $path, $origin && $origin->{path};
1456
1457 if (my $map = $cf::MAP{$path}) {
1458 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459 }
1460
1461 undef $MAP_PREFETCH{$path};
1462 $MAP_PREFETCHER ||= cf::async {
1463 while (%MAP_PREFETCH) {
1464 for my $path (keys %MAP_PREFETCH) {
1465 my $map = find $path
1466 or next;
1467 $map->load;
1468
1469 delete $MAP_PREFETCH{$path};
1470 }
1471 }
1472 undef $MAP_PREFETCHER;
1473 };
1474
1475 ()
1476}
1477
1468sub save { 1478sub save {
1469 my ($self) = @_; 1479 my ($self) = @_;
1470 1480
1471 my $lock = cf::lock_acquire "map_data:" . $self->path; 1481 my $lock = cf::lock_acquire "map_data:" . $self->path;
1472 1482
1473 $self->{last_save} = $cf::RUNTIME; 1483 $self->{last_save} = $cf::RUNTIME;
1474 1484
1475 return unless $self->dirty; 1485 return unless $self->dirty;
1476 1486
1477 my $save = $self->{path}->save_path; utf8::encode $save; 1487 my $save = $self->save_path; utf8::encode $save;
1478 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1488 my $uniq = $self->uniq_path; utf8::encode $uniq;
1479 1489
1480 $self->{load_path} = $save; 1490 $self->{load_path} = $save;
1481 1491
1482 return if $self->{deny_save}; 1492 return if $self->{deny_save};
1483 1493
1486 cf::async { 1496 cf::async {
1487 $_->contr->save for $self->players; 1497 $_->contr->save for $self->players;
1488 }; 1498 };
1489 1499
1490 if ($uniq) { 1500 if ($uniq) {
1491 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1501 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492 $self->save_objects ($uniq, cf::IO_UNIQUES); 1502 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1493 } else { 1503 } else {
1494 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1504 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495 } 1505 }
1496} 1506}
1497 1507
1498sub swap_out { 1508sub swap_out {
1499 my ($self) = @_; 1509 my ($self) = @_;
1513 1523
1514sub reset_at { 1524sub reset_at {
1515 my ($self) = @_; 1525 my ($self) = @_;
1516 1526
1517 # TODO: safety, remove and allow resettable per-player maps 1527 # TODO: safety, remove and allow resettable per-player maps
1518 return 1e99 if $self->{path}{user_rel}; 1528 return 1e99 if $self->isa ("ext::map_per_player");#d#
1519 return 1e99 if $self->{deny_reset}; 1529 return 1e99 if $self->{deny_reset};
1520 1530
1521 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1531 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1532 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523 1533
1528 my ($self) = @_; 1538 my ($self) = @_;
1529 1539
1530 $self->reset_at <= $cf::RUNTIME 1540 $self->reset_at <= $cf::RUNTIME
1531} 1541}
1532 1542
1533sub unlink_save {
1534 my ($self) = @_;
1535
1536 utf8::encode (my $save = $self->{path}->save_path);
1537 aioreq_pri 3; IO::AIO::aio_unlink $save;
1538 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539}
1540
1541sub rename {
1542 my ($self, $new_path) = @_;
1543
1544 $self->unlink_save;
1545
1546 delete $cf::MAP{$self->path};
1547 $self->{path} = new cf::path $new_path;
1548 $self->path ($self->{path}->as_string);
1549 $cf::MAP{$self->path} = $self;
1550
1551 $self->save;
1552}
1553
1554sub reset { 1543sub reset {
1555 my ($self) = @_; 1544 my ($self) = @_;
1556 1545
1557 my $lock = cf::lock_acquire "map_data:" . $self->path; 1546 my $lock = cf::lock_acquire "map_data:$self->{path}";
1558 1547
1559 return if $self->players; 1548 return if $self->players;
1560 return if $self->{path}{user_rel};#d# 1549 return if $self->isa ("ext::map_per_player");#d#
1561 1550
1562 warn "resetting map ", $self->path;#d# 1551 warn "resetting map ", $self->path;#d#
1563 1552
1564 delete $cf::MAP{$self->path}; 1553 delete $cf::MAP{$self->path};
1554
1555 $self->in_memory (cf::MAP_SWAPPED);
1556 $self->clear;
1565 1557
1566 $_->clear_links_to ($self) for values %cf::MAP; 1558 $_->clear_links_to ($self) for values %cf::MAP;
1567 1559
1568 $self->unlink_save; 1560 $self->unlink_save;
1569 $self->destroy; 1561 $self->destroy;
1572my $nuke_counter = "aaaa"; 1564my $nuke_counter = "aaaa";
1573 1565
1574sub nuke { 1566sub nuke {
1575 my ($self) = @_; 1567 my ($self) = @_;
1576 1568
1569 delete $cf::MAP{$self->path};
1570
1571 $self->unlink_save;
1572
1573 bless $self, "cf::map";
1574 delete $self->{deny_reset};
1577 $self->{deny_save} = 1; 1575 $self->{deny_save} = 1;
1578 $self->reset_timeout (1); 1576 $self->reset_timeout (1);
1579 $self->rename ("{nuke}/" . ($nuke_counter++)); 1577 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578
1579 $cf::MAP{$self->path} = $self;
1580
1580 $self->reset; # polite request, might not happen 1581 $self->reset; # polite request, might not happen
1581} 1582}
1582 1583
1583sub customise_for { 1584=item cf::map::unique_maps
1584 my ($map, $ob) = @_;
1585 1585
1586 if ($map->per_player) { 1586Returns an arrayref of paths of all shared maps that have
1587 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1587instantiated unique items. May block.
1588 }
1589 1588
1590 $map 1589=cut
1591}
1592 1590
1593sub emergency_save { 1591sub unique_maps() {
1594 my $freeze_guard = cf::freeze_mainloop; 1592 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1593 or return;
1595 1594
1596 warn "enter emergency perl save\n"; 1595 my @paths;
1597 1596
1598 cf::sync_job { 1597 for (@$files) {
1599 warn "begin emergency player save\n"; 1598 utf8::decode $_;
1600 $_->save for values %cf::PLAYER; 1599 next if /\.pst$/;
1601 warn "end emergency player save\n"; 1600 next unless /^$PATH_SEP/o;
1602 1601
1603 warn "begin emergency map save\n"; 1602 s/\.map$//;
1604 $_->save for values %cf::MAP; 1603 push @paths, $_;
1605 warn "end emergency map save\n";
1606 }; 1604 }
1607 1605
1608 warn "leave emergency perl save\n"; 1606 \@paths
1609} 1607}
1610 1608
1611package cf; 1609package cf;
1612 1610
1613=back 1611=back
1614 1612
1613=head3 cf::object
1614
1615=cut
1616
1617package cf::object;
1618
1619=over 4
1620
1621=item $ob->inv_recursive
1622
1623Returns the inventory of the object _and_ their inventories, recursively.
1624
1625=cut
1626
1627sub inv_recursive_;
1628sub inv_recursive_ {
1629 map { $_, inv_recursive_ $_->inv } @_
1630}
1631
1632sub inv_recursive {
1633 inv_recursive_ inv $_[0]
1634}
1635
1636package cf;
1637
1638=back
1615 1639
1616=head3 cf::object::player 1640=head3 cf::object::player
1617 1641
1618=over 4 1642=over 4
1619 1643
1659 1683
1660=item $player_object->enter_link 1684=item $player_object->enter_link
1661 1685
1662Freezes the player and moves him/her to a special map (C<{link}>). 1686Freezes the player and moves him/her to a special map (C<{link}>).
1663 1687
1664The player should be reaosnably safe there for short amounts of time. You 1688The player should be reasonably safe there for short amounts of time. You
1665I<MUST> call C<leave_link> as soon as possible, though. 1689I<MUST> call C<leave_link> as soon as possible, though.
1666 1690
1691Will never block.
1692
1667=item $player_object->leave_link ($map, $x, $y) 1693=item $player_object->leave_link ($map, $x, $y)
1668 1694
1669Moves the player out of the specila link map onto the given map. If the 1695Moves the player out of the special C<{link}> map onto the specified
1670map is not valid (or omitted), the player will be moved back to the 1696map. If the map is not valid (or omitted), the player will be moved back
1671location he/she was before the call to C<enter_link>, or, if that fails, 1697to the location he/she was before the call to C<enter_link>, or, if that
1672to the emergency map position. 1698fails, to the emergency map position.
1673 1699
1674Might block. 1700Might block.
1675 1701
1676=cut 1702=cut
1703
1704sub link_map {
1705 unless ($LINK_MAP) {
1706 $LINK_MAP = cf::map::find "{link}"
1707 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1708 $LINK_MAP->load;
1709 }
1710
1711 $LINK_MAP
1712}
1677 1713
1678sub cf::object::player::enter_link { 1714sub cf::object::player::enter_link {
1679 my ($self) = @_; 1715 my ($self) = @_;
1680 1716
1681 $self->deactivate_recursive; 1717 $self->deactivate_recursive;
1682 1718
1683 return if $self->map == $LINK_MAP; 1719 return if UNIVERSAL::isa $self->map, "ext::map_link";
1684 1720
1685 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1721 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686 if $self->map; 1722 if $self->map;
1687 1723
1688 $self->enter_map ($LINK_MAP, 20, 20); 1724 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1689} 1725}
1690 1726
1691sub cf::object::player::leave_link { 1727sub cf::object::player::leave_link {
1692 my ($self, $map, $x, $y) = @_; 1728 my ($self, $map, $x, $y) = @_;
1693 1729
1711 # use -1 or undef as default coordinates, not 0, 0 1747 # use -1 or undef as default coordinates, not 0, 0
1712 ($x, $y) = ($map->enter_x, $map->enter_y) 1748 ($x, $y) = ($map->enter_x, $map->enter_y)
1713 if $x <=0 && $y <= 0; 1749 if $x <=0 && $y <= 0;
1714 1750
1715 $map->load; 1751 $map->load;
1752 $map->load_diag;
1716 1753
1717 return unless $self->contr->active; 1754 return unless $self->contr->active;
1718 $self->activate_recursive; 1755 $self->activate_recursive;
1719 $self->enter_map ($map, $x, $y); 1756 $self->enter_map ($map, $x, $y);
1720} 1757}
1756=cut 1793=cut
1757 1794
1758sub cf::object::player::goto { 1795sub cf::object::player::goto {
1759 my ($self, $path, $x, $y) = @_; 1796 my ($self, $path, $x, $y) = @_;
1760 1797
1761 $path = new cf::path $path;
1762 $path ne "/" or Carp::cluck ("oy");#d#
1763
1764 $self->enter_link; 1798 $self->enter_link;
1765 1799
1766 (async { 1800 (async {
1767 my $map = cf::map::find $path->as_string; 1801 my $map = cf::map::find $path;
1768 $map = $map->customise_for ($self) if $map; 1802 $map = $map->customise_for ($self) if $map;
1769 1803
1770# warn "entering ", $map->path, " at ($x, $y)\n" 1804# warn "entering ", $map->path, " at ($x, $y)\n"
1771# if $map; 1805# if $map;
1772 1806
1782 1816
1783sub parse_random_map_params { 1817sub parse_random_map_params {
1784 my ($spec) = @_; 1818 my ($spec) = @_;
1785 1819
1786 my $rmp = { # defaults 1820 my $rmp = { # defaults
1787 xsize => 10, 1821 xsize => (cf::rndm 15, 40),
1788 ysize => 10, 1822 ysize => (cf::rndm 15, 40),
1823 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1824 #layout => string,
1789 }; 1825 };
1790 1826
1791 for (split /\n/, $spec) { 1827 for (split /\n/, $spec) {
1792 my ($k, $v) = split /\s+/, $_, 2; 1828 my ($k, $v) = split /\s+/, $_, 2;
1793 1829
1797 $rmp 1833 $rmp
1798} 1834}
1799 1835
1800sub prepare_random_map { 1836sub prepare_random_map {
1801 my ($exit) = @_; 1837 my ($exit) = @_;
1838
1839 my $guard = cf::lock_acquire "exit_prepare:$exit";
1802 1840
1803 # all this does is basically replace the /! path by 1841 # all this does is basically replace the /! path by
1804 # a new random map path (?random/...) with a seed 1842 # a new random map path (?random/...) with a seed
1805 # that depends on the exit object 1843 # that depends on the exit object
1806 1844
1815 1853
1816 $rmp->{random_seed} ||= $exit->random_seed; 1854 $rmp->{random_seed} ||= $exit->random_seed;
1817 1855
1818 my $data = cf::to_json $rmp; 1856 my $data = cf::to_json $rmp;
1819 my $md5 = Digest::MD5::md5_hex $data; 1857 my $md5 = Digest::MD5::md5_hex $data;
1858 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820 1859
1821 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1860 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822 aio_write $fh, 0, (length $data), $data, 0; 1861 aio_write $fh, 0, (length $data), $data, 0;
1862 undef $fh;
1863 aio_rename "$meta~", $meta;
1823 1864
1824 $exit->slaying ("?random/$md5"); 1865 $exit->slaying ("?random/$md5");
1825 $exit->msg (undef); 1866 $exit->msg (undef);
1826 } 1867 }
1827} 1868}
1837 $self->deactivate_recursive; # just to be sure 1878 $self->deactivate_recursive; # just to be sure
1838 unless (eval { 1879 unless (eval {
1839 prepare_random_map $exit 1880 prepare_random_map $exit
1840 if $exit->slaying eq "/!"; 1881 if $exit->slaying eq "/!";
1841 1882
1842 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1883 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1843 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1884 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844 1885
1845 1; 1886 1;
1846 }) { 1887 }) {
1847 $self->message ("Something went wrong deep within the crossfire server. " 1888 $self->message ("Something went wrong deep within the crossfire server. "
1848 . "I'll try to bring you back to the map you were before. " 1889 . "I'll try to bring you back to the map you were before. "
1849 . "Please report this to the dungeon master", 1890 . "Please report this to the dungeon master!",
1850 cf::NDI_UNIQUE | cf::NDI_RED); 1891 cf::NDI_UNIQUE | cf::NDI_RED);
1851 1892
1852 warn "ERROR in enter_exit: $@"; 1893 warn "ERROR in enter_exit: $@";
1853 $self->leave_link; 1894 $self->leave_link;
1854 } 1895 }
2137 sub db_sync() { 2178 sub db_sync() {
2138 db_save if $dirty; 2179 db_save if $dirty;
2139 undef $dirty; 2180 undef $dirty;
2140 } 2181 }
2141 2182
2142 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2183 my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143 db_sync; 2184 db_sync;
2144 }); 2185 });
2145 2186
2146 sub db_dirty() { 2187 sub db_dirty() {
2147 $dirty = 1; 2188 $dirty = 1;
2197 2238
2198sub main { 2239sub main {
2199 # we must not ever block the main coroutine 2240 # we must not ever block the main coroutine
2200 local $Coro::idle = sub { 2241 local $Coro::idle = sub {
2201 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2242 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2243 (async {
2202 async { Event::one_event }; 2244 Event::one_event;
2245 })->prio (Coro::PRIO_MAX);
2203 }; 2246 };
2204 2247
2205 cfg_load; 2248 cfg_load;
2206 db_load; 2249 db_load;
2207 load_extensions; 2250 load_extensions;
2251
2252 $TICK_WATCHER->start;
2208 Event::loop; 2253 Event::loop;
2209} 2254}
2210 2255
2211############################################################################# 2256#############################################################################
2212# initialisation 2257# initialisation and cleanup
2258
2259# install some emergency cleanup handlers
2260BEGIN {
2261 for my $signal (qw(INT HUP TERM)) {
2262 Event->signal (
2263 data => WF_AUTOCANCEL,
2264 signal => $signal,
2265 cb => sub {
2266 cf::cleanup "SIG$signal";
2267 },
2268 );
2269 }
2270}
2271
2272sub emergency_save() {
2273 my $freeze_guard = cf::freeze_mainloop;
2274
2275 warn "enter emergency perl save\n";
2276
2277 cf::sync_job {
2278 # use a peculiar iteration method to avoid tripping on perl
2279 # refcount bugs in for. also avoids problems with players
2280 # and maps saved/destroyed asynchronously.
2281 warn "begin emergency player save\n";
2282 for my $login (keys %cf::PLAYER) {
2283 my $pl = $cf::PLAYER{$login} or next;
2284 $pl->valid or next;
2285 $pl->save;
2286 }
2287 warn "end emergency player save\n";
2288
2289 warn "begin emergency map save\n";
2290 for my $path (keys %cf::MAP) {
2291 my $map = $cf::MAP{$path} or next;
2292 $map->valid or next;
2293 $map->save;
2294 }
2295 warn "end emergency map save\n";
2296 };
2297
2298 warn "leave emergency perl save\n";
2299}
2213 2300
2214sub reload() { 2301sub reload() {
2215 # can/must only be called in main 2302 # can/must only be called in main
2216 if ($Coro::current != $Coro::main) { 2303 if ($Coro::current != $Coro::main) {
2217 warn "can only reload from main coroutine\n"; 2304 warn "can only reload from main coroutine";
2218 return; 2305 return;
2219 } 2306 }
2220 2307
2221 warn "reloading..."; 2308 warn "reloading...";
2222 2309
2223 my $guard = freeze_mainloop; 2310 warn "cancelling server ticker";
2311 $TICK_WATCHER->cancel;
2312
2224 cf::emergency_save; 2313 cf::emergency_save;
2225 2314
2226 eval { 2315 eval {
2227 # if anything goes wrong in here, we should simply crash as we already saved 2316 # if anything goes wrong in here, we should simply crash as we already saved
2228 2317
2229 # cancel all watchers 2318 warn "syncing database to disk";
2319 cf::db_sync;
2320
2321 warn "cancelling all WF_AUTOCANCEL watchers";
2230 for (Event::all_watchers) { 2322 for (Event::all_watchers) {
2231 $_->cancel if $_->data & WF_AUTOCANCEL; 2323 $_->cancel if $_->data & WF_AUTOCANCEL;
2232 } 2324 }
2233 2325
2326 warn "flushing outstanding aio requests";
2327 for (;;) {
2328 IO::AIO::flush;
2329 Coro::cede;
2330 last unless IO::AIO::nreqs;
2331 warn "iterate...";
2332 }
2333
2234 # cancel all extension coros 2334 warn "cancelling all extension coros";
2235 $_->cancel for values %EXT_CORO; 2335 $_->cancel for values %EXT_CORO;
2236 %EXT_CORO = (); 2336 %EXT_CORO = ();
2237 2337
2238 # unload all extensions 2338 warn "removing commands";
2239 for (@exts) { 2339 %COMMAND = ();
2340
2341 warn "removing ext commands";
2342 %EXTCMD = ();
2343
2344 warn "unloading/nuking all extensions";
2345 for my $pkg (@EXTS) {
2240 warn "unloading <$_>"; 2346 warn "... unloading $pkg";
2241 unload_extension $_; 2347
2348 if (my $cb = $pkg->can ("unload")) {
2349 eval {
2350 $cb->($pkg);
2351 1
2352 } or warn "$pkg unloaded, but with errors: $@";
2242 } 2353 }
2243 2354
2355 warn "... nuking $pkg";
2356 Symbol::delete_package $pkg;
2357 }
2358
2244 # unload all modules loaded from $LIBDIR 2359 warn "unloading all perl modules loaded from $LIBDIR";
2245 while (my ($k, $v) = each %INC) { 2360 while (my ($k, $v) = each %INC) {
2246 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2361 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247 2362
2248 warn "removing <$k>"; 2363 warn "... unloading $k";
2249 delete $INC{$k}; 2364 delete $INC{$k};
2250 2365
2251 $k =~ s/\.pm$//; 2366 $k =~ s/\.pm$//;
2252 $k =~ s/\//::/g; 2367 $k =~ s/\//::/g;
2253 2368
2256 } 2371 }
2257 2372
2258 Symbol::delete_package $k; 2373 Symbol::delete_package $k;
2259 } 2374 }
2260 2375
2261 # sync database to disk
2262 cf::db_sync;
2263 IO::AIO::flush;
2264
2265 # get rid of safe::, as good as possible 2376 warn "getting rid of safe::, as good as possible";
2266 Symbol::delete_package "safe::$_" 2377 Symbol::delete_package "safe::$_"
2267 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2378 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268 2379
2269 # remove register_script_function callbacks
2270 # TODO
2271
2272 # unload cf.pm "a bit" 2380 warn "unloading cf.pm \"a bit\"";
2273 delete $INC{"cf.pm"}; 2381 delete $INC{"cf.pm"};
2274 2382
2275 # don't, removes xs symbols, too, 2383 # don't, removes xs symbols, too,
2276 # and global variables created in xs 2384 # and global variables created in xs
2277 #Symbol::delete_package __PACKAGE__; 2385 #Symbol::delete_package __PACKAGE__;
2278 2386
2279 # reload cf.pm 2387 warn "unload completed, starting to reload now";
2388
2280 warn "reloading cf.pm"; 2389 warn "reloading cf.pm";
2281 require cf; 2390 require cf;
2282 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2391 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283 2392
2284 # load config and database again 2393 warn "loading config and database again";
2285 cf::cfg_load; 2394 cf::cfg_load;
2286 cf::db_load; 2395 cf::db_load;
2287 2396
2288 # load extensions
2289 warn "load extensions"; 2397 warn "loading extensions";
2290 cf::load_extensions; 2398 cf::load_extensions;
2291 2399
2292 # reattach attachments to objects 2400 warn "reattaching attachments to objects/players";
2293 warn "reattach";
2294 _global_reattach; 2401 _global_reattach;
2402 warn "reattaching attachments to maps";
2295 reattach $_ for values %MAP; 2403 reattach $_ for values %MAP;
2404
2405 warn "restarting server ticker";
2406
2407 $TICK_WATCHER->start;
2296 }; 2408 };
2297 2409
2298 if ($@) { 2410 if ($@) {
2299 warn $@; 2411 warn $@;
2300 warn "error while reloading, exiting."; 2412 warn "error while reloading, exiting.";
2301 exit 1; 2413 exit 1;
2302 } 2414 }
2303 2415
2304 warn "reloaded successfully"; 2416 warn "reloaded";
2305}; 2417};
2306 2418
2307############################################################################# 2419our $RELOAD_WATCHER; # used only during reload
2308
2309unless ($LINK_MAP) {
2310 $LINK_MAP = cf::map::new;
2311
2312 $LINK_MAP->width (41);
2313 $LINK_MAP->height (41);
2314 $LINK_MAP->alloc;
2315 $LINK_MAP->path ("{link}");
2316 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319 # dirty hack because... archetypes are not yet loaded
2320 Event->timer (
2321 after => 10,
2322 cb => sub {
2323 $_[0]->w->cancel;
2324
2325 # provide some exits "home"
2326 my $exit = cf::object::new "exit";
2327
2328 $exit->slaying ($EMERGENCY_POSITION->[0]);
2329 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332 $LINK_MAP->insert ($exit->clone, 19, 19);
2333 $LINK_MAP->insert ($exit->clone, 19, 20);
2334 $LINK_MAP->insert ($exit->clone, 19, 21);
2335 $LINK_MAP->insert ($exit->clone, 20, 19);
2336 $LINK_MAP->insert ($exit->clone, 20, 21);
2337 $LINK_MAP->insert ($exit->clone, 21, 19);
2338 $LINK_MAP->insert ($exit->clone, 21, 20);
2339 $LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341 $exit->destroy;
2342 });
2343
2344 $LINK_MAP->{deny_save} = 1;
2345 $LINK_MAP->{deny_reset} = 1;
2346
2347 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348}
2349
2350register "<global>", __PACKAGE__;
2351 2420
2352register_command "reload" => sub { 2421register_command "reload" => sub {
2353 my ($who, $arg) = @_; 2422 my ($who, $arg) = @_;
2354 2423
2355 if ($who->flag (FLAG_WIZ)) { 2424 if ($who->flag (FLAG_WIZ)) {
2356 $who->message ("start of reload."); 2425 $who->message ("reloading server.");
2426
2427 # doing reload synchronously and two reloads happen back-to-back,
2428 # coro crashes during coro_state_free->destroy here.
2429
2430 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2357 reload; 2431 reload;
2358 $who->message ("end of reload."); 2432 undef $RELOAD_WATCHER;
2433 });
2359 } 2434 }
2360}; 2435};
2361 2436
2362unshift @INC, $LIBDIR; 2437unshift @INC, $LIBDIR;
2438
2439my $bug_warning = 0;
2363 2440
2364$TICK_WATCHER = Event->timer ( 2441$TICK_WATCHER = Event->timer (
2365 reentrant => 0, 2442 reentrant => 0,
2443 parked => 1,
2366 prio => 0, 2444 prio => 0,
2367 at => $NEXT_TICK || $TICK, 2445 at => $NEXT_TICK || $TICK,
2368 data => WF_AUTOCANCEL, 2446 data => WF_AUTOCANCEL,
2369 cb => sub { 2447 cb => sub {
2448 if ($Coro::current != $Coro::main) {
2449 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450 unless ++$bug_warning > 10;
2451 return;
2452 }
2453
2454 $NOW = Event::time;
2455
2370 cf::server_tick; # one server iteration 2456 cf::server_tick; # one server iteration
2371 $RUNTIME += $TICK; 2457 $RUNTIME += $TICK;
2372 $NEXT_TICK += $TICK; 2458 $NEXT_TICK += $TICK;
2459
2460 $WAIT_FOR_TICK->broadcast;
2461 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2373 2462
2374 # if we are delayed by four ticks or more, skip them all 2463 # if we are delayed by four ticks or more, skip them all
2375 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2464 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376 2465
2377 $TICK_WATCHER->at ($NEXT_TICK); 2466 $TICK_WATCHER->at ($NEXT_TICK);
2379 }, 2468 },
2380); 2469);
2381 2470
2382IO::AIO::max_poll_time $TICK * 0.2; 2471IO::AIO::max_poll_time $TICK * 0.2;
2383 2472
2384Event->io ( 2473$AIO_POLL_WATCHER = Event->io (
2385 fd => IO::AIO::poll_fileno, 2474 fd => IO::AIO::poll_fileno,
2386 poll => 'r', 2475 poll => 'r',
2387 prio => 5, 2476 prio => 5,
2388 data => WF_AUTOCANCEL, 2477 data => WF_AUTOCANCEL,
2389 cb => \&IO::AIO::poll_cb, 2478 cb => \&IO::AIO::poll_cb,
2390); 2479);
2391 2480
2392Event->timer ( 2481$WRITE_RUNTIME_WATCHER = Event->timer (
2393 data => WF_AUTOCANCEL, 2482 data => WF_AUTOCANCEL,
2394 after => 0, 2483 after => 1,
2395 interval => 10, 2484 interval => 10,
2396 cb => sub { 2485 prio => 6, # keep it lowest so it acts like a watchdog
2397 (Coro::unblock_sub { 2486 cb => Coro::unblock_sub {
2398 write_runtime 2487 write_runtime
2399 or warn "ERROR: unable to write runtime file: $!"; 2488 or warn "ERROR: unable to write runtime file: $!";
2400 })->();
2401 }, 2489 },
2402); 2490);
2403 2491
2404END { cf::emergency_save } 2492END { cf::emergency_save }
2405 2493

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