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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 1.179 by root, Thu Jan 18 20:39:00 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(&) {
352} 368}
353 369
354=back 370=back
355 371
356=cut 372=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;
479 373
480############################################################################# 374#############################################################################
481 375
482=head2 ATTACHABLE OBJECTS 376=head2 ATTACHABLE OBJECTS
483 377
609our @CB_TYPE = (); # registry for type (cf-object class) based events 503our @CB_TYPE = (); # registry for type (cf-object class) based events
610our @CB_MAP = (); 504our @CB_MAP = ();
611 505
612my %attachment; 506my %attachment;
613 507
508sub cf::attachable::thawer_merge {
509 # simply override everything except _meta
510 local $_[0]{_meta};
511 %{$_[0]} = %{$_[1]};
512}
513
614sub _attach_cb($$$$) { 514sub _attach_cb($$$$) {
615 my ($registry, $event, $prio, $cb) = @_; 515 my ($registry, $event, $prio, $cb) = @_;
616 516
617 use sort 'stable'; 517 use sort 'stable';
618 518
789# object support 689# object support
790 690
791sub reattach { 691sub reattach {
792 # basically do the same as instantiate, without calling instantiate 692 # basically do the same as instantiate, without calling instantiate
793 my ($obj) = @_; 693 my ($obj) = @_;
694
695 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794 696
795 my $registry = $obj->registry; 697 my $registry = $obj->registry;
796 698
797 @$registry = (); 699 @$registry = ();
798 700
930=cut 832=cut
931 833
932sub register_extcmd { 834sub register_extcmd {
933 my ($name, $cb) = @_; 835 my ($name, $cb) = @_;
934 836
935 my $caller = caller;
936 #warn "registering extcmd '$name' to '$caller'";
937
938 $EXTCMD{$name} = [$cb, $caller]; 837 $EXTCMD{$name} = $cb;
939} 838}
940 839
941cf::player->attach ( 840cf::player->attach (
942 on_command => sub { 841 on_command => sub {
943 my ($pl, $name, $params) = @_; 842 my ($pl, $name, $params) = @_;
956 855
957 my $msg = eval { from_json $buf }; 856 my $msg = eval { from_json $buf };
958 857
959 if (ref $msg) { 858 if (ref $msg) {
960 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 859 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961 if (my %reply = $cb->[0]->($pl, $msg)) { 860 if (my %reply = $cb->($pl, $msg)) {
962 $pl->ext_reply ($msg->{msgid}, %reply); 861 $pl->ext_reply ($msg->{msgid}, %reply);
963 } 862 }
964 } 863 }
965 } else { 864 } else {
966 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 865 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
968 867
969 cf::override; 868 cf::override;
970 }, 869 },
971); 870);
972 871
973sub register {
974 my ($base, $pkg) = @_;
975
976 #TODO
977}
978
979sub load_extension { 872sub load_extension {
980 my ($path) = @_; 873 my ($path) = @_;
981 874
982 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 875 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
983 my $base = $1; 876 my $base = $1;
984 my $pkg = $1; 877 my $pkg = $1;
985 $pkg =~ s/[^[:word:]]/_/g; 878 $pkg =~ s/[^[:word:]]/_/g;
986 $pkg = "ext::$pkg"; 879 $pkg = "ext::$pkg";
987 880
988 warn "loading '$path' into '$pkg'\n"; 881 warn "... loading '$path' into '$pkg'\n";
989 882
990 open my $fh, "<:utf8", $path 883 open my $fh, "<:utf8", $path
991 or die "$path: $!"; 884 or die "$path: $!";
992 885
993 my $source = 886 my $source =
994 "package $pkg; use strict; use utf8;\n" 887 "package $pkg; use strict; use utf8;\n"
995 . "#line 1 \"$path\"\n{\n" 888 . "#line 1 \"$path\"\n{\n"
996 . (do { local $/; <$fh> }) 889 . (do { local $/; <$fh> })
997 . "\n};\n1"; 890 . "\n};\n1";
998 891
999 eval $source 892 unless (eval $source) {
1000 or die $@ ? "$path: $@\n" 893 my $msg = $@ ? "$path: $@\n"
1001 : "extension disabled.\n"; 894 : "extension disabled.\n";
1002 895 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003 push @exts, $pkg; 896 warn $@;
1004 $ext_pkg{$base} = $pkg; 897 warn "mandatory extension failed to load, exiting.\n";
1005 898 exit 1;
1006# no strict 'refs'; 899 }
1007# @{"$pkg\::ISA"} = ext::; 900 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# } 901 }
1022 902
1023 # remove commands 903 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} 904}
1048 905
1049sub load_extensions { 906sub load_extensions {
1050 for my $ext (<$LIBDIR/*.ext>) { 907 for my $ext (<$LIBDIR/*.ext>) {
1051 next unless -r $ext; 908 next unless -r $ext;
1055 } or warn "$ext not loaded: $@"; 912 } or warn "$ext not loaded: $@";
1056 } 913 }
1057} 914}
1058 915
1059############################################################################# 916#############################################################################
1060# load/save/clean perl data associated with a map
1061
1062*cf::mapsupport::on_clean = sub {
1063 my ($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 917
1097=head2 CORE EXTENSIONS 918=head2 CORE EXTENSIONS
1098 919
1099Functions and methods that extend core crossfire objects. 920Functions and methods that extend core crossfire objects.
1100 921
1225 my @logins; 1046 my @logins;
1226 1047
1227 for my $login (@$dirs) { 1048 for my $login (@$dirs) {
1228 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1049 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229 aio_read $fh, 0, 512, my $buf, 0 or next; 1050 aio_read $fh, 0, 512, my $buf, 0 or next;
1230 $buf !~ /^password -------------$/ or next; # official not-valid tag 1051 $buf !~ /^password -------------$/m or next; # official not-valid tag
1231 1052
1232 utf8::decode $login; 1053 utf8::decode $login;
1233 push @logins, $login; 1054 push @logins, $login;
1234 } 1055 }
1235 1056
1236 \@logins 1057 \@logins
1237} 1058}
1238 1059
1239=item $player->maps 1060=item $player->maps
1240 1061
1241Returns an arrayref of cf::path's of all maps that are private for this 1062Returns an arrayref of map paths that are private for this
1242player. May block. 1063player. May block.
1243 1064
1244=cut 1065=cut
1245 1066
1246sub maps($) { 1067sub maps($) {
1252 my @paths; 1073 my @paths;
1253 1074
1254 for (@$files) { 1075 for (@$files) {
1255 utf8::decode $_; 1076 utf8::decode $_;
1256 next if /\.(?:pl|pst)$/; 1077 next if /\.(?:pl|pst)$/;
1257 next unless /^$PATH_SEP/; 1078 next unless /^$PATH_SEP/o;
1258 1079
1259 s/$PATH_SEP/\//g; 1080 s/\.map$//;
1260 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1081 push @paths, "~" . $pl->ob->name . "/" . $_;
1261 } 1082 }
1262 1083
1263 \@paths 1084 \@paths
1264} 1085}
1265 1086
1291package cf::map; 1112package cf::map;
1292 1113
1293use Fcntl; 1114use Fcntl;
1294use Coro::AIO; 1115use Coro::AIO;
1295 1116
1117use overload
1118 '""' => \&as_string,
1119 fallback => 1;
1120
1296our $MAX_RESET = 3600; 1121our $MAX_RESET = 3600;
1297our $DEFAULT_RESET = 3000; 1122our $DEFAULT_RESET = 3000;
1298 1123
1299sub generate_random_map { 1124sub generate_random_map {
1300 my ($path, $rmp) = @_; 1125 my ($self, $rmp) = @_;
1301
1302 # mit "rum" bekleckern, nicht 1126 # mit "rum" bekleckern, nicht
1303 cf::map::_create_random_map 1127 $self->_create_random_map (
1304 $path,
1305 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1128 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1129 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1130 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308 $rmp->{exit_on_final_map}, 1131 $rmp->{exit_on_final_map},
1309 $rmp->{xsize}, $rmp->{ysize}, 1132 $rmp->{xsize}, $rmp->{ysize},
1310 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1133 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1134 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1135 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1136 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1137 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315 (cf::region::find $rmp->{region}) 1138 (cf::region::find $rmp->{region}), $rmp->{custom}
1139 )
1140}
1141
1142sub register {
1143 my (undef, $regex) = @_;
1144 my $pkg = caller;
1145
1146 no strict;
1147 push @{"$pkg\::ISA"}, __PACKAGE__;
1148
1149 $EXT_MAP{$pkg} = qr<$regex>;
1150}
1151
1152# also paths starting with '/'
1153$EXT_MAP{"cf::map"} = qr{^(?=/)};
1154
1155sub thawer_merge {
1156 my ($self, $merge) = @_;
1157
1158 # we have to keep some variables in memory intact
1159 local $self->{path};
1160 local $self->{load_path};
1161 local $self->{deny_save};
1162 local $self->{deny_reset};
1163
1164 $self->SUPER::thawer_merge ($merge);
1165}
1166
1167sub normalise {
1168 my ($path, $base) = @_;
1169
1170 # map plan:
1171 #
1172 # /! non-realised random map exit (special hack!)
1173 # {... are special paths that are not being touched
1174 # ?xxx/... are special absolute paths
1175 # ?random/... random maps
1176 # /... normal maps
1177 # ~user/... per-player map of a specific user
1178
1179 $path =~ s/$PATH_SEP/\//go;
1180
1181 # treat it as relative path if it starts with
1182 # something that looks reasonable
1183 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1184 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1185
1186 $base =~ s{[^/]+/?$}{};
1187 $path = "$base/$path";
1188 }
1189
1190 for ($path) {
1191 redo if s{//}{/};
1192 redo if s{/\.?/}{/};
1193 redo if s{/[^/]+/\.\./}{/};
1194 }
1195
1196 $path
1197}
1198
1199sub new_from_path {
1200 my (undef, $path, $base) = @_;
1201
1202 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203
1204 $path = normalise $path, $base;
1205
1206 for my $pkg (keys %EXT_MAP) {
1207 if ($path =~ $EXT_MAP{$pkg}) {
1208 my $self = bless cf::map::new, $pkg;
1209 $self->{path} = $path; $self->path ($path);
1210 $self->init; # pass $1 etc.
1211 return $self;
1212 }
1213 }
1214
1215 Carp::carp "unable to resolve path '$path'.";
1216 ()
1217}
1218
1219sub init {
1220 my ($self) = @_;
1221
1222 $self
1223}
1224
1225sub as_string {
1226 my ($self) = @_;
1227
1228 "$self->{path}"
1229}
1230
1231# the displayed name, this is a one way mapping
1232sub visible_name {
1233 &as_string
1234}
1235
1236# the original (read-only) location
1237sub load_path {
1238 my ($self) = @_;
1239
1240 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1241}
1242
1243# the temporary/swap location
1244sub save_path {
1245 my ($self) = @_;
1246
1247 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1249}
1250
1251# the unique path, undef == no special unique path
1252sub uniq_path {
1253 my ($self) = @_;
1254
1255 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316} 1257}
1317 1258
1318# and all this just because we cannot iterate over 1259# and all this just because we cannot iterate over
1319# all maps in C++... 1260# all maps in C++...
1320sub change_all_map_light { 1261sub change_all_map_light {
1322 1263
1323 $_->change_map_light ($change) 1264 $_->change_map_light ($change)
1324 for grep $_->outdoor, values %cf::MAP; 1265 for grep $_->outdoor, values %cf::MAP;
1325} 1266}
1326 1267
1268sub unlink_save {
1269 my ($self) = @_;
1270
1271 utf8::encode (my $save = $self->save_path);
1272 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1273 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1274}
1275
1327sub try_load_header($) { 1276sub load_header_from($) {
1328 my ($path) = @_; 1277 my ($self, $path) = @_;
1329 1278
1330 utf8::encode $path; 1279 utf8::encode $path;
1331 aio_open $path, O_RDONLY, 0 1280 aio_open $path, O_RDONLY, 0
1332 or return; 1281 or return;
1333 1282
1334 my $map = cf::map::new 1283 $self->_load_header ($path)
1335 or return; 1284 or return;
1336 1285
1337 # for better error messages only, will be overwritten 1286 $self->{load_path} = $path;
1338 $map->path ($path);
1339 1287
1340 $map->load_header ($path) 1288 1
1289}
1290
1291sub load_orig {
1292 my ($self) = @_;
1293
1294 $self->load_header_from ($self->load_path)
1295}
1296
1297sub load_temp {
1298 my ($self) = @_;
1299
1300 $self->load_header_from ($self->save_path)
1301}
1302
1303sub load_header {
1304 my ($self) = @_;
1305
1306 if ($self->load_temp) {
1307 $self->last_access ((delete $self->{last_access})
1308 || $cf::RUNTIME); #d#
1309 # safety
1310 $self->{instantiate_time} = $cf::RUNTIME
1311 if $self->{instantiate_time} > $cf::RUNTIME;
1312 } else {
1313 $self->load_orig
1341 or return; 1314 or return;
1342 1315
1343 $map->{load_path} = $path; 1316 $self->{load_original} = 1;
1317 $self->{instantiate_time} = $cf::RUNTIME;
1318 $self->last_access ($cf::RUNTIME);
1319 $self->instantiate;
1320 }
1344 1321
1345 $map 1322 1
1346} 1323}
1347 1324
1348sub find; 1325sub find;
1349sub find { 1326sub find {
1350 my ($path, $origin) = @_; 1327 my ($path, $origin) = @_;
1351 1328
1352 #warn "find<$path,$origin>\n";#d#
1353
1354 $path = new cf::path $path, $origin && $origin->path; 1329 $path = normalise $path, $origin && $origin->path;
1355 my $key = $path->as_string;
1356 1330
1357 cf::lock_wait "map_find:$key"; 1331 cf::lock_wait "map_find:$path";
1358 1332
1359 $cf::MAP{$key} || do { 1333 $cf::MAP{$path} || do {
1360 my $guard = cf::lock_acquire "map_find:$key"; 1334 my $guard = cf::lock_acquire "map_find:$path";
1361 1335 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; 1336 or return;
1381 1337
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; 1338 $map->{last_save} = $cf::RUNTIME;
1394 1339
1395 Coro::cede; 1340 $map->load_header
1341 or return;
1396 1342
1397 if ($map->should_reset) { 1343 if ($map->should_reset) {
1344 $cf::WAIT_FOR_TICK->wait;
1398 $map->reset; 1345 $map->reset;
1399 undef $guard; 1346 undef $guard;
1400 $map = find $path 1347 $map = find $path
1401 or return; 1348 or return;
1402 } 1349 }
1403 1350
1404 $cf::MAP{$key} = $map 1351 $cf::MAP{$path} = $map
1405 } 1352 }
1406} 1353}
1407 1354
1408sub load { 1355sub load {
1409 my ($self) = @_; 1356 my ($self) = @_;
1410 1357
1411 my $path = $self->{path}; 1358 my $path = $self->{path};
1412 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1359 my $guard = cf::lock_acquire "map_load:$path";
1413 1360
1414 return if $self->in_memory != cf::MAP_SWAPPED; 1361 return if $self->in_memory != cf::MAP_SWAPPED;
1415 1362
1416 $self->in_memory (cf::MAP_LOADING); 1363 $self->in_memory (cf::MAP_LOADING);
1417 1364
1418 $self->alloc; 1365 $self->alloc;
1419 $self->load_objects ($self->{load_path}, 1) 1366 $self->_load_objects ($self->{load_path}, 1)
1420 or return; 1367 or return;
1421 1368
1422 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1369 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423 if delete $self->{load_original}; 1370 if delete $self->{load_original};
1424 1371
1425 if (my $uniq = $path->uniq_path) { 1372 if (my $uniq = $self->uniq_path) {
1426 utf8::encode $uniq; 1373 utf8::encode $uniq;
1427 if (aio_open $uniq, O_RDONLY, 0) { 1374 if (aio_open $uniq, O_RDONLY, 0) {
1428 $self->clear_unique_items; 1375 $self->clear_unique_items;
1429 $self->load_objects ($uniq, 0); 1376 $self->_load_objects ($uniq, 0);
1430 } 1377 }
1431 } 1378 }
1432 1379
1433 Coro::cede; 1380 Coro::cede;
1434 1381
1435 # now do the right thing for maps 1382 # now do the right thing for maps
1436 $self->link_multipart_objects; 1383 $self->link_multipart_objects;
1437 1384
1438 if ($self->{path}->is_style_map) { 1385 unless ($self->{deny_activate}) {
1439 $self->{deny_save} = 1; 1386 $self->decay_objects;
1440 $self->{deny_reset} = 1;
1441 } else {
1442 $self->fix_auto_apply; 1387 $self->fix_auto_apply;
1443 $self->decay_objects;
1444 $self->update_buttons; 1388 $self->update_buttons;
1389 Coro::cede;
1445 $self->set_darkness_map; 1390 $self->set_darkness_map;
1446 $self->difficulty ($self->estimate_difficulty) 1391 $self->difficulty ($self->estimate_difficulty)
1447 unless $self->difficulty; 1392 unless $self->difficulty;
1393 Coro::cede;
1448 $self->activate; 1394 $self->activate;
1449 } 1395 }
1450 1396
1451 Coro::cede;
1452
1453 $self->in_memory (cf::MAP_IN_MEMORY); 1397 $self->in_memory (cf::MAP_IN_MEMORY);
1398}
1399
1400sub customise_for {
1401 my ($self, $ob) = @_;
1402
1403 return find "~" . $ob->name . "/" . $self->{path}
1404 if $self->per_player;
1405
1406 $self
1407}
1408
1409# find and load all maps in the 3x3 area around a map
1410sub load_diag {
1411 my ($map) = @_;
1412
1413 my @diag; # diagonal neighbours
1414
1415 for (0 .. 3) {
1416 my $neigh = $map->tile_path ($_)
1417 or next;
1418 $neigh = find $neigh, $map
1419 or next;
1420 $neigh->load;
1421
1422 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1423 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1424 }
1425
1426 for (@diag) {
1427 my $neigh = find @$_
1428 or next;
1429 $neigh->load;
1430 }
1454} 1431}
1455 1432
1456sub find_sync { 1433sub find_sync {
1457 my ($path, $origin) = @_; 1434 my ($path, $origin) = @_;
1458 1435
1459 cf::sync_job { cf::map::find $path, $origin } 1436 cf::sync_job { find $path, $origin }
1460} 1437}
1461 1438
1462sub do_load_sync { 1439sub do_load_sync {
1463 my ($map) = @_; 1440 my ($map) = @_;
1464 1441
1465 cf::sync_job { $map->load }; 1442 cf::sync_job { $map->load };
1466} 1443}
1467 1444
1445our %MAP_PREFETCH;
1446our $MAP_PREFETCHER = Coro::async {
1447 while () {
1448 for my $path (keys %MAP_PREFETCH) {
1449 my $map = find $path
1450 or next;
1451 $map->load;
1452
1453 delete $MAP_PREFETCH{$path};
1454 }
1455 Coro::schedule;
1456 }
1457};
1458
1459sub find_async {
1460 my ($path, $origin) = @_;
1461
1462 $path = normalise $path, $origin && $origin->{path};
1463
1464 if (my $map = $cf::MAP{$path}) {
1465 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1466 }
1467
1468 $MAP_PREFETCH{$path} = 0;
1469 $MAP_PREFETCHER->ready;
1470
1471 ()
1472}
1473
1468sub save { 1474sub save {
1469 my ($self) = @_; 1475 my ($self) = @_;
1470 1476
1471 my $lock = cf::lock_acquire "map_data:" . $self->path; 1477 my $lock = cf::lock_acquire "map_data:" . $self->path;
1472 1478
1473 $self->{last_save} = $cf::RUNTIME; 1479 $self->{last_save} = $cf::RUNTIME;
1474 1480
1475 return unless $self->dirty; 1481 return unless $self->dirty;
1476 1482
1477 my $save = $self->{path}->save_path; utf8::encode $save; 1483 my $save = $self->save_path; utf8::encode $save;
1478 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1484 my $uniq = $self->uniq_path; utf8::encode $uniq;
1479 1485
1480 $self->{load_path} = $save; 1486 $self->{load_path} = $save;
1481 1487
1482 return if $self->{deny_save}; 1488 return if $self->{deny_save};
1483 1489
1486 cf::async { 1492 cf::async {
1487 $_->contr->save for $self->players; 1493 $_->contr->save for $self->players;
1488 }; 1494 };
1489 1495
1490 if ($uniq) { 1496 if ($uniq) {
1491 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1497 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492 $self->save_objects ($uniq, cf::IO_UNIQUES); 1498 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1493 } else { 1499 } else {
1494 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1500 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495 } 1501 }
1496} 1502}
1497 1503
1498sub swap_out { 1504sub swap_out {
1499 my ($self) = @_; 1505 my ($self) = @_;
1513 1519
1514sub reset_at { 1520sub reset_at {
1515 my ($self) = @_; 1521 my ($self) = @_;
1516 1522
1517 # TODO: safety, remove and allow resettable per-player maps 1523 # TODO: safety, remove and allow resettable per-player maps
1518 return 1e99 if $self->{path}{user_rel}; 1524 return 1e99 if $self->isa ("ext::map_per_player");#d#
1519 return 1e99 if $self->{deny_reset}; 1525 return 1e99 if $self->{deny_reset};
1520 1526
1521 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1527 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1528 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523 1529
1528 my ($self) = @_; 1534 my ($self) = @_;
1529 1535
1530 $self->reset_at <= $cf::RUNTIME 1536 $self->reset_at <= $cf::RUNTIME
1531} 1537}
1532 1538
1533sub unlink_save {
1534 my ($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 $self->save;
1552}
1553
1554sub reset { 1539sub reset {
1555 my ($self) = @_; 1540 my ($self) = @_;
1556 1541
1557 my $lock = cf::lock_acquire "map_data:" . $self->path; 1542 my $lock = cf::lock_acquire "map_data:$self->{path}";
1558 1543
1559 return if $self->players; 1544 return if $self->players;
1560 return if $self->{path}{user_rel};#d# 1545 return if $self->isa ("ext::map_per_player");#d#
1561 1546
1562 warn "resetting map ", $self->path;#d# 1547 warn "resetting map ", $self->path;#d#
1563 1548
1564 delete $cf::MAP{$self->path}; 1549 delete $cf::MAP{$self->path};
1550
1551 $self->in_memory (cf::MAP_SWAPPED);
1552 $self->clear;
1565 1553
1566 $_->clear_links_to ($self) for values %cf::MAP; 1554 $_->clear_links_to ($self) for values %cf::MAP;
1567 1555
1568 $self->unlink_save; 1556 $self->unlink_save;
1569 $self->destroy; 1557 $self->destroy;
1572my $nuke_counter = "aaaa"; 1560my $nuke_counter = "aaaa";
1573 1561
1574sub nuke { 1562sub nuke {
1575 my ($self) = @_; 1563 my ($self) = @_;
1576 1564
1565 delete $cf::MAP{$self->path};
1566
1567 $self->unlink_save;
1568
1569 bless $self, "cf::map";
1570 delete $self->{deny_reset};
1577 $self->{deny_save} = 1; 1571 $self->{deny_save} = 1;
1578 $self->reset_timeout (1); 1572 $self->reset_timeout (1);
1579 $self->rename ("{nuke}/" . ($nuke_counter++)); 1573 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574
1575 $cf::MAP{$self->path} = $self;
1576
1580 $self->reset; # polite request, might not happen 1577 $self->reset; # polite request, might not happen
1581} 1578}
1582 1579
1583sub customise_for { 1580=item cf::map::unique_maps
1584 my ($map, $ob) = @_;
1585 1581
1586 if ($map->per_player) { 1582Returns an arrayref of paths of all shared maps that have
1587 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1583instantiated unique items. May block.
1588 }
1589 1584
1590 $map 1585=cut
1591}
1592 1586
1593sub emergency_save { 1587sub unique_maps() {
1594 my $freeze_guard = cf::freeze_mainloop; 1588 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1589 or return;
1595 1590
1596 warn "enter emergency perl save\n"; 1591 my @paths;
1597 1592
1598 cf::sync_job { 1593 for (@$files) {
1599 warn "begin emergency player save\n"; 1594 utf8::decode $_;
1600 $_->save for values %cf::PLAYER; 1595 next if /\.pst$/;
1601 warn "end emergency player save\n"; 1596 next unless /^$PATH_SEP/o;
1602 1597
1603 warn "begin emergency map save\n"; 1598 s/\.map$//;
1604 $_->save for values %cf::MAP; 1599 push @paths, $_;
1605 warn "end emergency map save\n";
1606 }; 1600 }
1607 1601
1608 warn "leave emergency perl save\n"; 1602 \@paths
1609} 1603}
1610 1604
1611package cf; 1605package cf;
1612 1606
1613=back 1607=back
1614 1608
1609=head3 cf::object
1610
1611=cut
1612
1613package cf::object;
1614
1615=over 4
1616
1617=item $ob->inv_recursive
1618
1619Returns the inventory of the object _and_ their inventories, recursively.
1620
1621=cut
1622
1623sub inv_recursive_;
1624sub inv_recursive_ {
1625 map { $_, inv_recursive_ $_->inv } @_
1626}
1627
1628sub inv_recursive {
1629 inv_recursive_ inv $_[0]
1630}
1631
1632package cf;
1633
1634=back
1615 1635
1616=head3 cf::object::player 1636=head3 cf::object::player
1617 1637
1618=over 4 1638=over 4
1619 1639
1659 1679
1660=item $player_object->enter_link 1680=item $player_object->enter_link
1661 1681
1662Freezes the player and moves him/her to a special map (C<{link}>). 1682Freezes the player and moves him/her to a special map (C<{link}>).
1663 1683
1664The player should be reaosnably safe there for short amounts of time. You 1684The player should be reasonably safe there for short amounts of time. You
1665I<MUST> call C<leave_link> as soon as possible, though. 1685I<MUST> call C<leave_link> as soon as possible, though.
1666 1686
1687Will never block.
1688
1667=item $player_object->leave_link ($map, $x, $y) 1689=item $player_object->leave_link ($map, $x, $y)
1668 1690
1669Moves the player out of the specila link map onto the given map. If the 1691Moves the player out of the special C<{link}> map onto the specified
1670map is not valid (or omitted), the player will be moved back to the 1692map. If the map is not valid (or omitted), the player will be moved back
1671location he/she was before the call to C<enter_link>, or, if that fails, 1693to the location he/she was before the call to C<enter_link>, or, if that
1672to the emergency map position. 1694fails, to the emergency map position.
1673 1695
1674Might block. 1696Might block.
1675 1697
1676=cut 1698=cut
1699
1700sub link_map {
1701 unless ($LINK_MAP) {
1702 $LINK_MAP = cf::map::find "{link}"
1703 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1704 $LINK_MAP->load;
1705 }
1706
1707 $LINK_MAP
1708}
1677 1709
1678sub cf::object::player::enter_link { 1710sub cf::object::player::enter_link {
1679 my ($self) = @_; 1711 my ($self) = @_;
1680 1712
1681 $self->deactivate_recursive; 1713 $self->deactivate_recursive;
1682 1714
1683 return if $self->map == $LINK_MAP; 1715 return if UNIVERSAL::isa $self->map, "ext::map_link";
1684 1716
1685 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1717 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686 if $self->map; 1718 if $self->map;
1687 1719
1688 $self->enter_map ($LINK_MAP, 20, 20); 1720 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1689} 1721}
1690 1722
1691sub cf::object::player::leave_link { 1723sub cf::object::player::leave_link {
1692 my ($self, $map, $x, $y) = @_; 1724 my ($self, $map, $x, $y) = @_;
1693 1725
1711 # use -1 or undef as default coordinates, not 0, 0 1743 # use -1 or undef as default coordinates, not 0, 0
1712 ($x, $y) = ($map->enter_x, $map->enter_y) 1744 ($x, $y) = ($map->enter_x, $map->enter_y)
1713 if $x <=0 && $y <= 0; 1745 if $x <=0 && $y <= 0;
1714 1746
1715 $map->load; 1747 $map->load;
1748 $map->load_diag;
1716 1749
1717 return unless $self->contr->active; 1750 return unless $self->contr->active;
1718 $self->activate_recursive; 1751 $self->activate_recursive;
1719 $self->enter_map ($map, $x, $y); 1752 $self->enter_map ($map, $x, $y);
1720} 1753}
1756=cut 1789=cut
1757 1790
1758sub cf::object::player::goto { 1791sub cf::object::player::goto {
1759 my ($self, $path, $x, $y) = @_; 1792 my ($self, $path, $x, $y) = @_;
1760 1793
1761 $path = new cf::path $path;
1762 $path ne "/" or Carp::cluck ("oy");#d#
1763
1764 $self->enter_link; 1794 $self->enter_link;
1765 1795
1766 (async { 1796 (async {
1767 my $map = cf::map::find $path->as_string; 1797 my $map = cf::map::find $path;
1768 $map = $map->customise_for ($self) if $map; 1798 $map = $map->customise_for ($self) if $map;
1769 1799
1770# warn "entering ", $map->path, " at ($x, $y)\n" 1800# warn "entering ", $map->path, " at ($x, $y)\n"
1771# if $map; 1801# if $map;
1772 1802
1782 1812
1783sub parse_random_map_params { 1813sub parse_random_map_params {
1784 my ($spec) = @_; 1814 my ($spec) = @_;
1785 1815
1786 my $rmp = { # defaults 1816 my $rmp = { # defaults
1787 xsize => 10, 1817 xsize => -1,
1788 ysize => 10, 1818 ysize => -1,
1789 }; 1819 };
1790 1820
1791 for (split /\n/, $spec) { 1821 for (split /\n/, $spec) {
1792 my ($k, $v) = split /\s+/, $_, 2; 1822 my ($k, $v) = split /\s+/, $_, 2;
1793 1823
1797 $rmp 1827 $rmp
1798} 1828}
1799 1829
1800sub prepare_random_map { 1830sub prepare_random_map {
1801 my ($exit) = @_; 1831 my ($exit) = @_;
1832
1833 my $guard = cf::lock_acquire "exit_prepare:$exit";
1802 1834
1803 # all this does is basically replace the /! path by 1835 # all this does is basically replace the /! path by
1804 # a new random map path (?random/...) with a seed 1836 # a new random map path (?random/...) with a seed
1805 # that depends on the exit object 1837 # that depends on the exit object
1806 1838
1815 1847
1816 $rmp->{random_seed} ||= $exit->random_seed; 1848 $rmp->{random_seed} ||= $exit->random_seed;
1817 1849
1818 my $data = cf::to_json $rmp; 1850 my $data = cf::to_json $rmp;
1819 my $md5 = Digest::MD5::md5_hex $data; 1851 my $md5 = Digest::MD5::md5_hex $data;
1852 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820 1853
1821 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1854 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822 aio_write $fh, 0, (length $data), $data, 0; 1855 aio_write $fh, 0, (length $data), $data, 0;
1856 undef $fh;
1857 aio_rename "$meta~", $meta;
1823 1858
1824 $exit->slaying ("?random/$md5"); 1859 $exit->slaying ("?random/$md5");
1825 $exit->msg (undef); 1860 $exit->msg (undef);
1826 } 1861 }
1827} 1862}
1837 $self->deactivate_recursive; # just to be sure 1872 $self->deactivate_recursive; # just to be sure
1838 unless (eval { 1873 unless (eval {
1839 prepare_random_map $exit 1874 prepare_random_map $exit
1840 if $exit->slaying eq "/!"; 1875 if $exit->slaying eq "/!";
1841 1876
1842 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1877 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1843 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1878 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844 1879
1845 1; 1880 1;
1846 }) { 1881 }) {
1847 $self->message ("Something went wrong deep within the crossfire server. " 1882 $self->message ("Something went wrong deep within the crossfire server. "
1848 . "I'll try to bring you back to the map you were before. " 1883 . "I'll try to bring you back to the map you were before. "
1849 . "Please report this to the dungeon master", 1884 . "Please report this to the dungeon master!",
1850 cf::NDI_UNIQUE | cf::NDI_RED); 1885 cf::NDI_UNIQUE | cf::NDI_RED);
1851 1886
1852 warn "ERROR in enter_exit: $@"; 1887 warn "ERROR in enter_exit: $@";
1853 $self->leave_link; 1888 $self->leave_link;
1854 } 1889 }
2197 2232
2198sub main { 2233sub main {
2199 # we must not ever block the main coroutine 2234 # we must not ever block the main coroutine
2200 local $Coro::idle = sub { 2235 local $Coro::idle = sub {
2201 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2236 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2237 (async {
2202 async { Event::one_event }; 2238 Event::one_event;
2239 })->prio (Coro::PRIO_MAX);
2203 }; 2240 };
2204 2241
2205 cfg_load; 2242 cfg_load;
2206 db_load; 2243 db_load;
2207 load_extensions; 2244 load_extensions;
2208 Event::loop; 2245 Event::loop;
2209} 2246}
2210 2247
2211############################################################################# 2248#############################################################################
2212# initialisation 2249# initialisation and cleanup
2250
2251# install some emergency cleanup handlers
2252BEGIN {
2253 for my $signal (qw(INT HUP TERM)) {
2254 Event->signal (
2255 data => WF_AUTOCANCEL,
2256 signal => $signal,
2257 cb => sub {
2258 cf::cleanup "SIG$signal";
2259 },
2260 );
2261 }
2262}
2263
2264sub emergency_save() {
2265 my $freeze_guard = cf::freeze_mainloop;
2266
2267 warn "enter emergency perl save\n";
2268
2269 cf::sync_job {
2270 # use a peculiar iteration method to avoid tripping on perl
2271 # refcount bugs in for. also avoids problems with players
2272 # and maps saved/destroyed asynchronously.
2273 warn "begin emergency player save\n";
2274 for my $login (keys %cf::PLAYER) {
2275 my $pl = $cf::PLAYER{$login} or next;
2276 $pl->valid or next;
2277 $pl->save;
2278 }
2279 warn "end emergency player save\n";
2280
2281 warn "begin emergency map save\n";
2282 for my $path (keys %cf::MAP) {
2283 my $map = $cf::MAP{$path} or next;
2284 $map->valid or next;
2285 $map->save;
2286 }
2287 warn "end emergency map save\n";
2288 };
2289
2290 warn "leave emergency perl save\n";
2291}
2213 2292
2214sub reload() { 2293sub reload() {
2215 # can/must only be called in main 2294 # can/must only be called in main
2216 if ($Coro::current != $Coro::main) { 2295 if ($Coro::current != $Coro::main) {
2217 warn "can only reload from main coroutine\n"; 2296 warn "can only reload from main coroutine\n";
2218 return; 2297 return;
2219 } 2298 }
2220 2299
2221 warn "reloading..."; 2300 warn "reloading...";
2222 2301
2302 warn "freezing server";
2223 my $guard = freeze_mainloop; 2303 my $guard = freeze_mainloop;
2224 cf::emergency_save; 2304 cf::emergency_save;
2225 2305
2306 warn "sync database to disk";
2307 cf::db_sync;
2308 IO::AIO::flush;
2309
2226 eval { 2310 eval {
2227 # if anything goes wrong in here, we should simply crash as we already saved 2311 # if anything goes wrong in here, we should simply crash as we already saved
2228 2312
2229 # cancel all watchers 2313 warn "cancel all watchers";
2230 for (Event::all_watchers) { 2314 for (Event::all_watchers) {
2231 $_->cancel if $_->data & WF_AUTOCANCEL; 2315 $_->cancel if $_->data & WF_AUTOCANCEL;
2232 } 2316 }
2233 2317
2234 # cancel all extension coros 2318 warn "cancel all extension coros";
2235 $_->cancel for values %EXT_CORO; 2319 $_->cancel for values %EXT_CORO;
2236 %EXT_CORO = (); 2320 %EXT_CORO = ();
2237 2321
2322 warn "remove commands";
2323 %COMMAND = ();
2324
2325 warn "remove ext commands";
2326 %EXTCMD = ();
2327
2238 # unload all extensions 2328 warn "unload/nuke all extensions";
2239 for (@exts) { 2329 for my $pkg (@EXTS) {
2240 warn "unloading <$_>"; 2330 warn "... unloading $pkg";
2241 unload_extension $_; 2331
2332 if (my $cb = $pkg->can ("unload")) {
2333 eval {
2334 $cb->($pkg);
2335 1
2336 } or warn "$pkg unloaded, but with errors: $@";
2242 } 2337 }
2243 2338
2339 warn "... nuking $pkg";
2340 Symbol::delete_package $pkg;
2341 }
2342
2244 # unload all modules loaded from $LIBDIR 2343 warn "unload all perl modules loaded from $LIBDIR";
2245 while (my ($k, $v) = each %INC) { 2344 while (my ($k, $v) = each %INC) {
2246 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2345 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247 2346
2248 warn "removing <$k>"; 2347 warn "removing <$k>";
2249 delete $INC{$k}; 2348 delete $INC{$k};
2256 } 2355 }
2257 2356
2258 Symbol::delete_package $k; 2357 Symbol::delete_package $k;
2259 } 2358 }
2260 2359
2261 # sync database to disk
2262 cf::db_sync;
2263 IO::AIO::flush;
2264
2265 # get rid of safe::, as good as possible 2360 warn "get rid of safe::, as good as possible";
2266 Symbol::delete_package "safe::$_" 2361 Symbol::delete_package "safe::$_"
2267 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2362 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268 2363
2269 # remove register_script_function callbacks
2270 # TODO
2271
2272 # unload cf.pm "a bit" 2364 warn "unload cf.pm \"a bit\"";
2273 delete $INC{"cf.pm"}; 2365 delete $INC{"cf.pm"};
2274 2366
2275 # don't, removes xs symbols, too, 2367 # don't, removes xs symbols, too,
2276 # and global variables created in xs 2368 # and global variables created in xs
2277 #Symbol::delete_package __PACKAGE__; 2369 #Symbol::delete_package __PACKAGE__;
2278 2370
2279 # reload cf.pm
2280 warn "reloading cf.pm"; 2371 warn "reloading cf.pm";
2281 require cf; 2372 require cf;
2282 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2373 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283 2374
2284 # load config and database again 2375 warn "load config and database again";
2285 cf::cfg_load; 2376 cf::cfg_load;
2286 cf::db_load; 2377 cf::db_load;
2287 2378
2288 # load extensions
2289 warn "load extensions"; 2379 warn "load extensions";
2290 cf::load_extensions; 2380 cf::load_extensions;
2291 2381
2292 # reattach attachments to objects 2382 warn "reattach attachments to objects/players";
2293 warn "reattach";
2294 _global_reattach; 2383 _global_reattach;
2384 warn "reattach attachments to maps";
2295 reattach $_ for values %MAP; 2385 reattach $_ for values %MAP;
2296 }; 2386 };
2297 2387
2298 if ($@) { 2388 if ($@) {
2299 warn $@; 2389 warn $@;
2300 warn "error while reloading, exiting."; 2390 warn "error while reloading, exiting.";
2301 exit 1; 2391 exit 1;
2302 } 2392 }
2303 2393
2304 warn "reloaded successfully"; 2394 warn "reloaded";
2305}; 2395};
2306 2396
2307############################################################################# 2397our $RELOAD_WATCHER; # used only during reload
2308
2309unless ($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} = $LINK_MAP;
2348}
2349
2350register "<global>", __PACKAGE__;
2351 2398
2352register_command "reload" => sub { 2399register_command "reload" => sub {
2353 my ($who, $arg) = @_; 2400 my ($who, $arg) = @_;
2354 2401
2355 if ($who->flag (FLAG_WIZ)) { 2402 if ($who->flag (FLAG_WIZ)) {
2356 $who->message ("start of reload."); 2403 $who->message ("reloading server.");
2404
2405 # doing reload synchronously and two reloads happen back-to-back,
2406 # coro crashes during coro_state_free->destroy here.
2407
2408 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2357 reload; 2409 reload;
2358 $who->message ("end of reload."); 2410 undef $RELOAD_WATCHER;
2411 });
2359 } 2412 }
2360}; 2413};
2361 2414
2362unshift @INC, $LIBDIR; 2415unshift @INC, $LIBDIR;
2363 2416
2365 reentrant => 0, 2418 reentrant => 0,
2366 prio => 0, 2419 prio => 0,
2367 at => $NEXT_TICK || $TICK, 2420 at => $NEXT_TICK || $TICK,
2368 data => WF_AUTOCANCEL, 2421 data => WF_AUTOCANCEL,
2369 cb => sub { 2422 cb => sub {
2423 $NOW = Event::time;
2424
2370 cf::server_tick; # one server iteration 2425 cf::server_tick; # one server iteration
2371 $RUNTIME += $TICK; 2426 $RUNTIME += $TICK;
2372 $NEXT_TICK += $TICK; 2427 $NEXT_TICK += $TICK;
2428
2429 $WAIT_FOR_TICK->broadcast;
2430 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2373 2431
2374 # if we are delayed by four ticks or more, skip them all 2432 # if we are delayed by four ticks or more, skip them all
2375 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2433 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376 2434
2377 $TICK_WATCHER->at ($NEXT_TICK); 2435 $TICK_WATCHER->at ($NEXT_TICK);
2379 }, 2437 },
2380); 2438);
2381 2439
2382IO::AIO::max_poll_time $TICK * 0.2; 2440IO::AIO::max_poll_time $TICK * 0.2;
2383 2441
2384Event->io ( 2442$AIO_POLL_WATCHER = Event->io (
2385 fd => IO::AIO::poll_fileno, 2443 fd => IO::AIO::poll_fileno,
2386 poll => 'r', 2444 poll => 'r',
2387 prio => 5, 2445 prio => 5,
2388 data => WF_AUTOCANCEL, 2446 data => WF_AUTOCANCEL,
2389 cb => \&IO::AIO::poll_cb, 2447 cb => \&IO::AIO::poll_cb,
2390); 2448);
2391 2449
2392Event->timer ( 2450$WRITE_RUNTIME_WATCHER = Event->timer (
2393 data => WF_AUTOCANCEL, 2451 data => WF_AUTOCANCEL,
2394 after => 0, 2452 after => 0,
2395 interval => 10, 2453 interval => 10,
2396 cb => sub { 2454 cb => sub {
2397 (Coro::unblock_sub { 2455 (Coro::unblock_sub {

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