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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 1.190 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;
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}), $rmp->{custom}
1142 )
1143}
1144
1145=item cf::map->register ($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
1316} 1268}
1317 1269
1318# and all this just because we cannot iterate over 1270# and all this just because we cannot iterate over
1319# all maps in C++... 1271# all maps in C++...
1320sub change_all_map_light { 1272sub change_all_map_light {
1322 1274
1323 $_->change_map_light ($change) 1275 $_->change_map_light ($change)
1324 for grep $_->outdoor, values %cf::MAP; 1276 for grep $_->outdoor, values %cf::MAP;
1325} 1277}
1326 1278
1279sub unlink_save {
1280 my ($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
1327sub try_load_header($) { 1287sub load_header_from($) {
1328 my ($path) = @_; 1288 my ($self, $path) = @_;
1329 1289
1330 utf8::encode $path; 1290 utf8::encode $path;
1331 aio_open $path, O_RDONLY, 0 1291 aio_open $path, O_RDONLY, 0
1332 or return; 1292 or return;
1333 1293
1334 my $map = cf::map::new 1294 $self->_load_header ($path)
1335 or return; 1295 or return;
1336 1296
1337 # for better error messages only, will be overwritten 1297 $self->{load_path} = $path;
1338 $map->path ($path);
1339 1298
1340 $map->load_header ($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
1341 or return; 1340 or return;
1341 $self->prepare_orig;
1342 }
1342 1343
1343 $map->{load_path} = $path; 1344 1
1344
1345 $map
1346} 1345}
1347 1346
1348sub find; 1347sub find;
1349sub find { 1348sub find {
1350 my ($path, $origin) = @_; 1349 my ($path, $origin) = @_;
1351 1350
1352 #warn "find<$path,$origin>\n";#d#
1353
1354 $path = new cf::path $path, $origin && $origin->path; 1351 $path = normalise $path, $origin && $origin->path;
1355 my $key = $path->as_string;
1356 1352
1357 cf::lock_wait "map_find:$key"; 1353 cf::lock_wait "map_find:$path";
1358 1354
1359 $cf::MAP{$key} || do { 1355 $cf::MAP{$path} || do {
1360 my $guard = cf::lock_acquire "map_find:$key"; 1356 my $guard = cf::lock_acquire "map_find:$path";
1361 1357 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; 1358 or return;
1381 1359
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; 1360 $map->{last_save} = $cf::RUNTIME;
1394 1361
1395 Coro::cede; 1362 $map->load_header
1363 or return;
1396 1364
1397 if ($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;
1398 $map->reset; 1368 $map->reset;
1399 undef $guard; 1369 undef $guard;
1400 $map = find $path 1370 $map = find $path
1401 or return; 1371 or return;
1402 } 1372 }
1403 1373
1404 $cf::MAP{$key} = $map 1374 $cf::MAP{$path} = $map
1405 } 1375 }
1406} 1376}
1377
1378sub pre_load { }
1379sub post_load { }
1407 1380
1408sub load { 1381sub load {
1409 my ($self) = @_; 1382 my ($self) = @_;
1410 1383
1411 my $path = $self->{path}; 1384 my $path = $self->{path};
1412 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1385 my $guard = cf::lock_acquire "map_load:$path";
1413 1386
1414 return if $self->in_memory != cf::MAP_SWAPPED; 1387 return if $self->in_memory != cf::MAP_SWAPPED;
1415 1388
1416 $self->in_memory (cf::MAP_LOADING); 1389 $self->in_memory (cf::MAP_LOADING);
1417 1390
1418 $self->alloc; 1391 $self->alloc;
1392
1393 $self->pre_load;
1394
1419 $self->load_objects ($self->{load_path}, 1) 1395 $self->_load_objects ($self->{load_path}, 1)
1420 or return; 1396 or return;
1421 1397
1422 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1398 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423 if delete $self->{load_original}; 1399 if delete $self->{load_original};
1424 1400
1425 if (my $uniq = $path->uniq_path) { 1401 if (my $uniq = $self->uniq_path) {
1426 utf8::encode $uniq; 1402 utf8::encode $uniq;
1427 if (aio_open $uniq, O_RDONLY, 0) { 1403 if (aio_open $uniq, O_RDONLY, 0) {
1428 $self->clear_unique_items; 1404 $self->clear_unique_items;
1429 $self->load_objects ($uniq, 0); 1405 $self->_load_objects ($uniq, 0);
1430 } 1406 }
1431 } 1407 }
1432 1408
1433 Coro::cede; 1409 Coro::cede;
1434 1410
1435 # now do the right thing for maps 1411 # now do the right thing for maps
1436 $self->link_multipart_objects; 1412 $self->link_multipart_objects;
1437 1413
1438 if ($self->{path}->is_style_map) { 1414 unless ($self->{deny_activate}) {
1439 $self->{deny_save} = 1; 1415 $self->decay_objects;
1440 $self->{deny_reset} = 1;
1441 } else {
1442 $self->fix_auto_apply; 1416 $self->fix_auto_apply;
1443 $self->decay_objects;
1444 $self->update_buttons; 1417 $self->update_buttons;
1418 Coro::cede;
1445 $self->set_darkness_map; 1419 $self->set_darkness_map;
1446 $self->difficulty ($self->estimate_difficulty) 1420 $self->difficulty ($self->estimate_difficulty)
1447 unless $self->difficulty; 1421 unless $self->difficulty;
1422 Coro::cede;
1448 $self->activate; 1423 $self->activate;
1449 } 1424 }
1450 1425
1451 Coro::cede; 1426 $self->post_load;
1452 1427
1453 $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 $neigh->load;
1461 }
1454} 1462}
1455 1463
1456sub find_sync { 1464sub find_sync {
1457 my ($path, $origin) = @_; 1465 my ($path, $origin) = @_;
1458 1466
1459 cf::sync_job { cf::map::find $path, $origin } 1467 cf::sync_job { find $path, $origin }
1460} 1468}
1461 1469
1462sub do_load_sync { 1470sub do_load_sync {
1463 my ($map) = @_; 1471 my ($map) = @_;
1464 1472
1465 cf::sync_job { $map->load }; 1473 cf::sync_job { $map->load };
1466} 1474}
1467 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 $MAP_PREFETCHER->prio (6);
1502
1503 ()
1504}
1505
1468sub save { 1506sub save {
1469 my ($self) = @_; 1507 my ($self) = @_;
1470 1508
1471 my $lock = cf::lock_acquire "map_data:" . $self->path; 1509 my $lock = cf::lock_acquire "map_data:" . $self->path;
1472 1510
1473 $self->{last_save} = $cf::RUNTIME; 1511 $self->{last_save} = $cf::RUNTIME;
1474 1512
1475 return unless $self->dirty; 1513 return unless $self->dirty;
1476 1514
1477 my $save = $self->{path}->save_path; utf8::encode $save; 1515 my $save = $self->save_path; utf8::encode $save;
1478 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1516 my $uniq = $self->uniq_path; utf8::encode $uniq;
1479 1517
1480 $self->{load_path} = $save; 1518 $self->{load_path} = $save;
1481 1519
1482 return if $self->{deny_save}; 1520 return if $self->{deny_save};
1483 1521
1486 cf::async { 1524 cf::async {
1487 $_->contr->save for $self->players; 1525 $_->contr->save for $self->players;
1488 }; 1526 };
1489 1527
1490 if ($uniq) { 1528 if ($uniq) {
1491 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1529 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492 $self->save_objects ($uniq, cf::IO_UNIQUES); 1530 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1493 } else { 1531 } else {
1494 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1532 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495 } 1533 }
1496} 1534}
1497 1535
1498sub swap_out { 1536sub swap_out {
1499 my ($self) = @_; 1537 my ($self) = @_;
1513 1551
1514sub reset_at { 1552sub reset_at {
1515 my ($self) = @_; 1553 my ($self) = @_;
1516 1554
1517 # TODO: safety, remove and allow resettable per-player maps 1555 # TODO: safety, remove and allow resettable per-player maps
1518 return 1e99 if $self->{path}{user_rel}; 1556 return 1e99 if $self->isa ("ext::map_per_player");#d#
1519 return 1e99 if $self->{deny_reset}; 1557 return 1e99 if $self->{deny_reset};
1520 1558
1521 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1559 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1560 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523 1561
1528 my ($self) = @_; 1566 my ($self) = @_;
1529 1567
1530 $self->reset_at <= $cf::RUNTIME 1568 $self->reset_at <= $cf::RUNTIME
1531} 1569}
1532 1570
1533sub unlink_save {
1534 my ($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 $self->save;
1552}
1553
1554sub reset { 1571sub reset {
1555 my ($self) = @_; 1572 my ($self) = @_;
1556 1573
1557 my $lock = cf::lock_acquire "map_data:" . $self->path; 1574 my $lock = cf::lock_acquire "map_data:$self->{path}";
1558 1575
1559 return if $self->players; 1576 return if $self->players;
1560 return if $self->{path}{user_rel};#d# 1577 return if $self->isa ("ext::map_per_player");#d#
1561 1578
1562 warn "resetting map ", $self->path;#d# 1579 warn "resetting map ", $self->path;#d#
1563 1580
1564 delete $cf::MAP{$self->path}; 1581 delete $cf::MAP{$self->path};
1582
1583 $self->in_memory (cf::MAP_SWAPPED);
1584 $self->clear;
1565 1585
1566 $_->clear_links_to ($self) for values %cf::MAP; 1586 $_->clear_links_to ($self) for values %cf::MAP;
1567 1587
1568 $self->unlink_save; 1588 $self->unlink_save;
1569 $self->destroy; 1589 $self->destroy;
1572my $nuke_counter = "aaaa"; 1592my $nuke_counter = "aaaa";
1573 1593
1574sub nuke { 1594sub nuke {
1575 my ($self) = @_; 1595 my ($self) = @_;
1576 1596
1597 delete $cf::MAP{$self->path};
1598
1599 $self->unlink_save;
1600
1601 bless $self, "cf::map";
1602 delete $self->{deny_reset};
1577 $self->{deny_save} = 1; 1603 $self->{deny_save} = 1;
1578 $self->reset_timeout (1); 1604 $self->reset_timeout (1);
1579 $self->rename ("{nuke}/" . ($nuke_counter++)); 1605 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1606
1607 $cf::MAP{$self->path} = $self;
1608
1580 $self->reset; # polite request, might not happen 1609 $self->reset; # polite request, might not happen
1581} 1610}
1582 1611
1583sub customise_for { 1612=item cf::map::unique_maps
1584 my ($map, $ob) = @_;
1585 1613
1586 if ($map->per_player) { 1614Returns an arrayref of paths of all shared maps that have
1587 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1615instantiated unique items. May block.
1588 }
1589 1616
1590 $map 1617=cut
1591}
1592 1618
1593sub emergency_save { 1619sub unique_maps() {
1594 my $freeze_guard = cf::freeze_mainloop; 1620 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1621 or return;
1595 1622
1596 warn "enter emergency perl save\n"; 1623 my @paths;
1597 1624
1598 cf::sync_job { 1625 for (@$files) {
1599 warn "begin emergency player save\n"; 1626 utf8::decode $_;
1600 $_->save for values %cf::PLAYER; 1627 next if /\.pst$/;
1601 warn "end emergency player save\n"; 1628 next unless /^$PATH_SEP/o;
1602 1629
1603 warn "begin emergency map save\n"; 1630 s/\.map$//;
1604 $_->save for values %cf::MAP; 1631 push @paths, $_;
1605 warn "end emergency map save\n";
1606 }; 1632 }
1607 1633
1608 warn "leave emergency perl save\n"; 1634 \@paths
1609} 1635}
1610 1636
1611package cf; 1637package cf;
1612 1638
1613=back 1639=back
1614 1640
1641=head3 cf::object
1642
1643=cut
1644
1645package cf::object;
1646
1647=over 4
1648
1649=item $ob->inv_recursive
1650
1651Returns the inventory of the object _and_ their inventories, recursively.
1652
1653=cut
1654
1655sub inv_recursive_;
1656sub inv_recursive_ {
1657 map { $_, inv_recursive_ $_->inv } @_
1658}
1659
1660sub inv_recursive {
1661 inv_recursive_ inv $_[0]
1662}
1663
1664package cf;
1665
1666=back
1615 1667
1616=head3 cf::object::player 1668=head3 cf::object::player
1617 1669
1618=over 4 1670=over 4
1619 1671
1659 1711
1660=item $player_object->enter_link 1712=item $player_object->enter_link
1661 1713
1662Freezes 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}>).
1663 1715
1664The 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
1665I<MUST> call C<leave_link> as soon as possible, though. 1717I<MUST> call C<leave_link> as soon as possible, though.
1666 1718
1719Will never block.
1720
1667=item $player_object->leave_link ($map, $x, $y) 1721=item $player_object->leave_link ($map, $x, $y)
1668 1722
1669Moves the player out of the specila link map onto the given map. If the 1723Moves the player out of the special C<{link}> map onto the specified
1670map is not valid (or omitted), the player will be moved back to the 1724map. If the map is not valid (or omitted), the player will be moved back
1671location he/she was before the call to C<enter_link>, or, if that fails, 1725to the location he/she was before the call to C<enter_link>, or, if that
1672to the emergency map position. 1726fails, to the emergency map position.
1673 1727
1674Might block. 1728Might block.
1675 1729
1676=cut 1730=cut
1731
1732sub link_map {
1733 unless ($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 $LINK_MAP
1740}
1677 1741
1678sub cf::object::player::enter_link { 1742sub cf::object::player::enter_link {
1679 my ($self) = @_; 1743 my ($self) = @_;
1680 1744
1681 $self->deactivate_recursive; 1745 $self->deactivate_recursive;
1682 1746
1683 return if $self->map == $LINK_MAP; 1747 return if UNIVERSAL::isa $self->map, "ext::map_link";
1684 1748
1685 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1749 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686 if $self->map; 1750 if $self->map;
1687 1751
1688 $self->enter_map ($LINK_MAP, 20, 20); 1752 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1689} 1753}
1690 1754
1691sub cf::object::player::leave_link { 1755sub cf::object::player::leave_link {
1692 my ($self, $map, $x, $y) = @_; 1756 my ($self, $map, $x, $y) = @_;
1693 1757
1711 # use -1 or undef as default coordinates, not 0, 0 1775 # use -1 or undef as default coordinates, not 0, 0
1712 ($x, $y) = ($map->enter_x, $map->enter_y) 1776 ($x, $y) = ($map->enter_x, $map->enter_y)
1713 if $x <=0 && $y <= 0; 1777 if $x <=0 && $y <= 0;
1714 1778
1715 $map->load; 1779 $map->load;
1780 $map->load_diag;
1716 1781
1717 return unless $self->contr->active; 1782 return unless $self->contr->active;
1718 $self->activate_recursive; 1783 $self->activate_recursive;
1719 $self->enter_map ($map, $x, $y); 1784 $self->enter_map ($map, $x, $y);
1720} 1785}
1756=cut 1821=cut
1757 1822
1758sub cf::object::player::goto { 1823sub cf::object::player::goto {
1759 my ($self, $path, $x, $y) = @_; 1824 my ($self, $path, $x, $y) = @_;
1760 1825
1761 $path = new cf::path $path;
1762 $path ne "/" or Carp::cluck ("oy");#d#
1763
1764 $self->enter_link; 1826 $self->enter_link;
1765 1827
1766 (async { 1828 (async {
1767 my $map = cf::map::find $path->as_string; 1829 my $map = cf::map::find $path;
1768 $map = $map->customise_for ($self) if $map; 1830 $map = $map->customise_for ($self) if $map;
1769 1831
1770# warn "entering ", $map->path, " at ($x, $y)\n" 1832# warn "entering ", $map->path, " at ($x, $y)\n"
1771# if $map; 1833# if $map;
1772 1834
1782 1844
1783sub parse_random_map_params { 1845sub parse_random_map_params {
1784 my ($spec) = @_; 1846 my ($spec) = @_;
1785 1847
1786 my $rmp = { # defaults 1848 my $rmp = { # defaults
1787 xsize => 10, 1849 xsize => (cf::rndm 15, 40),
1788 ysize => 10, 1850 ysize => (cf::rndm 15, 40),
1851 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1852 #layout => string,
1789 }; 1853 };
1790 1854
1791 for (split /\n/, $spec) { 1855 for (split /\n/, $spec) {
1792 my ($k, $v) = split /\s+/, $_, 2; 1856 my ($k, $v) = split /\s+/, $_, 2;
1793 1857
1797 $rmp 1861 $rmp
1798} 1862}
1799 1863
1800sub prepare_random_map { 1864sub prepare_random_map {
1801 my ($exit) = @_; 1865 my ($exit) = @_;
1866
1867 my $guard = cf::lock_acquire "exit_prepare:$exit";
1802 1868
1803 # all this does is basically replace the /! path by 1869 # all this does is basically replace the /! path by
1804 # a new random map path (?random/...) with a seed 1870 # a new random map path (?random/...) with a seed
1805 # that depends on the exit object 1871 # that depends on the exit object
1806 1872
1815 1881
1816 $rmp->{random_seed} ||= $exit->random_seed; 1882 $rmp->{random_seed} ||= $exit->random_seed;
1817 1883
1818 my $data = cf::to_json $rmp; 1884 my $data = cf::to_json $rmp;
1819 my $md5 = Digest::MD5::md5_hex $data; 1885 my $md5 = Digest::MD5::md5_hex $data;
1886 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820 1887
1821 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) {
1822 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;
1823 1892
1824 $exit->slaying ("?random/$md5"); 1893 $exit->slaying ("?random/$md5");
1825 $exit->msg (undef); 1894 $exit->msg (undef);
1826 } 1895 }
1827} 1896}
1837 $self->deactivate_recursive; # just to be sure 1906 $self->deactivate_recursive; # just to be sure
1838 unless (eval { 1907 unless (eval {
1839 prepare_random_map $exit 1908 prepare_random_map $exit
1840 if $exit->slaying eq "/!"; 1909 if $exit->slaying eq "/!";
1841 1910
1842 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;
1843 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1912 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844 1913
1845 1; 1914 1;
1846 }) { 1915 }) {
1847 $self->message ("Something went wrong deep within the crossfire server. " 1916 $self->message ("Something went wrong deep within the crossfire server. "
1848 . "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. "
1849 . "Please report this to the dungeon master", 1918 . "Please report this to the dungeon master!",
1850 cf::NDI_UNIQUE | cf::NDI_RED); 1919 cf::NDI_UNIQUE | cf::NDI_RED);
1851 1920
1852 warn "ERROR in enter_exit: $@"; 1921 warn "ERROR in enter_exit: $@";
1853 $self->leave_link; 1922 $self->leave_link;
1854 } 1923 }
2137 sub db_sync() { 2206 sub db_sync() {
2138 db_save if $dirty; 2207 db_save if $dirty;
2139 undef $dirty; 2208 undef $dirty;
2140 } 2209 }
2141 2210
2142 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2211 my $idle = Event->idle (
2143 db_sync; 2212 reentrant => 0,
2213 min => 10,
2214 max => 20,
2215 repeat => 0,
2216 data => WF_AUTOCANCEL,
2217 cb => \&db_sync,
2144 }); 2218 );
2145 2219
2146 sub db_dirty() { 2220 sub db_dirty() {
2147 $dirty = 1; 2221 $dirty = 1;
2148 $idle->start; 2222 $idle->start;
2149 } 2223 }
2197 2271
2198sub main { 2272sub main {
2199 # we must not ever block the main coroutine 2273 # we must not ever block the main coroutine
2200 local $Coro::idle = sub { 2274 local $Coro::idle = sub {
2201 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 {
2202 async { Event::one_event }; 2277 Event::one_event;
2278 })->prio (Coro::PRIO_MAX);
2203 }; 2279 };
2204 2280
2205 cfg_load; 2281 cfg_load;
2206 db_load; 2282 db_load;
2207 load_extensions; 2283 load_extensions;
2284
2285 $TICK_WATCHER->start;
2208 Event::loop; 2286 Event::loop;
2209} 2287}
2210 2288
2211############################################################################# 2289#############################################################################
2212# initialisation 2290# initialisation and cleanup
2291
2292# install some emergency cleanup handlers
2293BEGIN {
2294 for my $signal (qw(INT HUP TERM)) {
2295 Event->signal (
2296 reentrant => 0,
2297 data => WF_AUTOCANCEL,
2298 signal => $signal,
2299 cb => sub {
2300 cf::cleanup "SIG$signal";
2301 },
2302 );
2303 }
2304}
2305
2306sub emergency_save() {
2307 my $freeze_guard = cf::freeze_mainloop;
2308
2309 warn "enter emergency perl save\n";
2310
2311 cf::sync_job {
2312 # use a peculiar iteration method to avoid tripping on perl
2313 # refcount bugs in for. also avoids problems with players
2314 # and maps saved/destroyed asynchronously.
2315 warn "begin emergency player save\n";
2316 for my $login (keys %cf::PLAYER) {
2317 my $pl = $cf::PLAYER{$login} or next;
2318 $pl->valid or next;
2319 $pl->save;
2320 }
2321 warn "end emergency player save\n";
2322
2323 warn "begin emergency map save\n";
2324 for my $path (keys %cf::MAP) {
2325 my $map = $cf::MAP{$path} or next;
2326 $map->valid or next;
2327 $map->save;
2328 }
2329 warn "end emergency map save\n";
2330 };
2331
2332 warn "leave emergency perl save\n";
2333}
2213 2334
2214sub reload() { 2335sub reload() {
2215 # can/must only be called in main 2336 # can/must only be called in main
2216 if ($Coro::current != $Coro::main) { 2337 if ($Coro::current != $Coro::main) {
2217 warn "can only reload from main coroutine\n"; 2338 warn "can only reload from main coroutine";
2218 return; 2339 return;
2219 } 2340 }
2220 2341
2221 warn "reloading..."; 2342 warn "reloading...";
2222 2343
2223 my $guard = freeze_mainloop; 2344 warn "cancelling server ticker";
2345 $TICK_WATCHER->cancel;
2346
2224 cf::emergency_save; 2347 cf::emergency_save;
2225 2348
2226 eval { 2349 eval {
2227 # 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
2228 2351
2229 # cancel all watchers 2352 warn "syncing database to disk";
2353 cf::db_sync;
2354
2355 warn "cancelling all WF_AUTOCANCEL watchers";
2230 for (Event::all_watchers) { 2356 for (Event::all_watchers) {
2231 $_->cancel if $_->data & WF_AUTOCANCEL; 2357 $_->cancel if $_->data & WF_AUTOCANCEL;
2232 } 2358 }
2233 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
2234 # cancel all extension coros 2368 warn "cancelling all extension coros";
2235 $_->cancel for values %EXT_CORO; 2369 $_->cancel for values %EXT_CORO;
2236 %EXT_CORO = (); 2370 %EXT_CORO = ();
2237 2371
2238 # unload all extensions 2372 warn "removing commands";
2239 for (@exts) { 2373 %COMMAND = ();
2374
2375 warn "removing ext commands";
2376 %EXTCMD = ();
2377
2378 warn "unloading/nuking all extensions";
2379 for my $pkg (@EXTS) {
2240 warn "unloading <$_>"; 2380 warn "... unloading $pkg";
2241 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: $@";
2242 } 2387 }
2243 2388
2389 warn "... nuking $pkg";
2390 Symbol::delete_package $pkg;
2391 }
2392
2244 # unload all modules loaded from $LIBDIR 2393 warn "unloading all perl modules loaded from $LIBDIR";
2245 while (my ($k, $v) = each %INC) { 2394 while (my ($k, $v) = each %INC) {
2246 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2395 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247 2396
2248 warn "removing <$k>"; 2397 warn "... unloading $k";
2249 delete $INC{$k}; 2398 delete $INC{$k};
2250 2399
2251 $k =~ s/\.pm$//; 2400 $k =~ s/\.pm$//;
2252 $k =~ s/\//::/g; 2401 $k =~ s/\//::/g;
2253 2402
2256 } 2405 }
2257 2406
2258 Symbol::delete_package $k; 2407 Symbol::delete_package $k;
2259 } 2408 }
2260 2409
2261 # sync database to disk
2262 cf::db_sync;
2263 IO::AIO::flush;
2264
2265 # get rid of safe::, as good as possible 2410 warn "getting rid of safe::, as good as possible";
2266 Symbol::delete_package "safe::$_" 2411 Symbol::delete_package "safe::$_"
2267 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);
2268 2413
2269 # remove register_script_function callbacks
2270 # TODO
2271
2272 # unload cf.pm "a bit" 2414 warn "unloading cf.pm \"a bit\"";
2273 delete $INC{"cf.pm"}; 2415 delete $INC{"cf.pm"};
2274 2416
2275 # don't, removes xs symbols, too, 2417 # don't, removes xs symbols, too,
2276 # and global variables created in xs 2418 # and global variables created in xs
2277 #Symbol::delete_package __PACKAGE__; 2419 #Symbol::delete_package __PACKAGE__;
2278 2420
2279 # reload cf.pm 2421 warn "unload completed, starting to reload now";
2422
2280 warn "reloading cf.pm"; 2423 warn "reloading cf.pm";
2281 require cf; 2424 require cf;
2282 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2425 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283 2426
2284 # load config and database again 2427 warn "loading config and database again";
2285 cf::cfg_load; 2428 cf::cfg_load;
2286 cf::db_load; 2429 cf::db_load;
2287 2430
2288 # load extensions
2289 warn "load extensions"; 2431 warn "loading extensions";
2290 cf::load_extensions; 2432 cf::load_extensions;
2291 2433
2292 # reattach attachments to objects 2434 warn "reattaching attachments to objects/players";
2293 warn "reattach";
2294 _global_reattach; 2435 _global_reattach;
2436 warn "reattaching attachments to maps";
2295 reattach $_ for values %MAP; 2437 reattach $_ for values %MAP;
2438
2439 warn "restarting server ticker";
2440
2441 $TICK_WATCHER->start;
2296 }; 2442 };
2297 2443
2298 if ($@) { 2444 if ($@) {
2299 warn $@; 2445 warn $@;
2300 warn "error while reloading, exiting."; 2446 warn "error while reloading, exiting.";
2301 exit 1; 2447 exit 1;
2302 } 2448 }
2303 2449
2304 warn "reloaded successfully"; 2450 warn "reloaded";
2305}; 2451};
2306 2452
2307############################################################################# 2453our $RELOAD_WATCHER; # used only during reload
2308
2309unless ($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} = $LINK_MAP;
2348}
2349
2350register "<global>", __PACKAGE__;
2351 2454
2352register_command "reload" => sub { 2455register_command "reload" => sub {
2353 my ($who, $arg) = @_; 2456 my ($who, $arg) = @_;
2354 2457
2355 if ($who->flag (FLAG_WIZ)) { 2458 if ($who->flag (FLAG_WIZ)) {
2356 $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 {
2357 reload; 2469 reload;
2358 $who->message ("end of reload."); 2470 undef $RELOAD_WATCHER;
2471 },
2472 );
2359 } 2473 }
2360}; 2474};
2361 2475
2362unshift @INC, $LIBDIR; 2476unshift @INC, $LIBDIR;
2477
2478my $bug_warning = 0;
2363 2479
2364$TICK_WATCHER = Event->timer ( 2480$TICK_WATCHER = Event->timer (
2365 reentrant => 0, 2481 reentrant => 0,
2482 parked => 1,
2366 prio => 0, 2483 prio => -1,
2367 at => $NEXT_TICK || $TICK, 2484 at => $NEXT_TICK || $TICK,
2368 data => WF_AUTOCANCEL, 2485 data => WF_AUTOCANCEL,
2369 cb => sub { 2486 cb => sub {
2487 if ($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
2370 cf::server_tick; # one server iteration 2495 cf::server_tick; # one server iteration
2371 $RUNTIME += $TICK; 2496 $RUNTIME += $TICK;
2372 $NEXT_TICK += $TICK; 2497 $NEXT_TICK += $TICK;
2498
2499 $WAIT_FOR_TICK->broadcast;
2500 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2501
2502 my $AFTER = Event::time;
2503 warn $AFTER - $NOW;#d#
2373 2504
2374 # 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
2375 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2506 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376 2507
2377 $TICK_WATCHER->at ($NEXT_TICK); 2508 $TICK_WATCHER->at ($NEXT_TICK);
2379 }, 2510 },
2380); 2511);
2381 2512
2382IO::AIO::max_poll_time $TICK * 0.2; 2513IO::AIO::max_poll_time $TICK * 0.2;
2383 2514
2384Event->io ( 2515undef $Coro::AIO::WATCHER;
2516$AIO_POLL_WATCHER = Event->io (
2517 reentrant => 0,
2385 fd => IO::AIO::poll_fileno, 2518 fd => IO::AIO::poll_fileno,
2386 poll => 'r', 2519 poll => 'r',
2387 prio => 5, 2520 prio => 6,
2388 data => WF_AUTOCANCEL, 2521 data => WF_AUTOCANCEL,
2389 cb => \&IO::AIO::poll_cb, 2522 cb => \&IO::AIO::poll_cb,
2390); 2523);
2391 2524
2392Event->timer ( 2525$WRITE_RUNTIME_WATCHER = Event->timer (
2526 reentrant => 0,
2393 data => WF_AUTOCANCEL, 2527 data => WF_AUTOCANCEL,
2394 after => 0, 2528 after => 1,
2395 interval => 10, 2529 interval => 10,
2396 cb => sub { 2530 prio => 6, # keep it lowest so it acts like a watchdog
2397 (Coro::unblock_sub { 2531 cb => Coro::unblock_sub {
2398 write_runtime 2532 write_runtime
2399 or warn "ERROR: unable to write runtime file: $!"; 2533 or warn "ERROR: unable to write runtime file: $!";
2400 })->();
2401 }, 2534 },
2402); 2535);
2403 2536
2404END { cf::emergency_save } 2537END { cf::emergency_save }
2405 2538

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