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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 2007 UTC vs.
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC

… …
15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
19 19
20use Data::Dumper;
20use Digest::MD5; 21use Digest::MD5;
21use Fcntl; 22use Fcntl;
22use IO::AIO 2.31 (); 23use IO::AIO 2.32 ();
23use YAML::Syck (); 24use YAML::Syck ();
24use Time::HiRes; 25use Time::HiRes;
25 26
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 27use Event; $Event::Eval = 1; # no idea why this is required, but it is
27 28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 32$YAML::Syck::ImplicitUnicode = 1;
30 33
31$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
32 35
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35our %COMMAND = (); 36our %COMMAND = ();
36our %COMMAND_TIME = (); 37our %COMMAND_TIME = ();
38
39our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 40our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps
38 43
39our @EVENT; 44our @EVENT;
40our $LIBDIR = datadir . "/ext"; 45our $LIBDIR = datadir . "/ext";
41 46
42our $TICK = MAX_TIME * 1e-6; 47our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 48our $TICK_WATCHER;
49our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER;
44our $NEXT_TICK; 51our $NEXT_TICK;
45our $NOW; 52our $NOW;
46 53
47our %CFG; 54our %CFG;
48 55
49our $UPTIME; $UPTIME ||= time; 56our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 57our $RUNTIME;
51 58
59our %PLAYER; # all users
52our %MAP; # all maps 60our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 61our $LINK_MAP; # the special {link} map, which is always available
54our $RANDOM_MAPS = cf::localdir . "/random"; 62our $RANDOM_MAPS = cf::localdir . "/random";
55our %EXT_CORO; 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
56 69
57binmode STDOUT; 70binmode STDOUT;
58binmode STDERR; 71binmode STDERR;
59 72
60# read virtual server time, if available 73# read virtual server time, if available
… …
68mkdir cf::localdir . "/" . cf::playerdir; 81mkdir cf::localdir . "/" . cf::playerdir;
69mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
70mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
71mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
72 85
73# a special map that is always available
74our $LINK_MAP;
75our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
76 87
77############################################################################# 88#############################################################################
78 89
79=head2 GLOBAL VARIABLES 90=head2 GLOBAL VARIABLES
… …
104 115
105=item %cf::CFG 116=item %cf::CFG
106 117
107Configuration for the server, loaded from C</etc/crossfire/config>, or 118Configuration for the server, loaded from C</etc/crossfire/config>, or
108from 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.
109 127
110=back 128=back
111 129
112=cut 130=cut
113 131
… …
117 utf8::encode $msg; 135 utf8::encode $msg;
118 136
119 $msg .= "\n" 137 $msg .= "\n"
120 unless $msg =~ /\n$/; 138 unless $msg =~ /\n$/;
121 139
122 LOG llevError, "cfperl: $msg"; 140 LOG llevError, $msg;
123 }; 141 };
124} 142}
125 143
126@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
… …
145 163
146$Event::DIED = sub { 164$Event::DIED = sub {
147 warn "error in event callback: @_"; 165 warn "error in event callback: @_";
148}; 166};
149 167
150my %ext_pkg;
151my @exts;
152my @hook;
153
154=head2 UTILITY FUNCTIONS 168=head2 UTILITY FUNCTIONS
155 169
156=over 4 170=over 4
157 171
172=item dumpval $ref
173
158=cut 174=cut
175
176sub dumpval {
177 eval {
178 local $SIG{__DIE__};
179 my $d;
180 if (1) {
181 $d = new Data::Dumper([$_[0]], ["*var"]);
182 $d->Terse(1);
183 $d->Indent(2);
184 $d->Quotekeys(0);
185 $d->Useqq(1);
186 #$d->Bless(...);
187 $d->Seen($_[1]) if @_ > 1;
188 $d = $d->Dump();
189 }
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d
192 } || "[unable to dump $_[0]: '$@']";
193}
159 194
160use JSON::Syck (); # TODO# replace by JSON::PC once working 195use JSON::Syck (); # TODO# replace by JSON::PC once working
161 196
162=item $ref = cf::from_json $json 197=item $ref = cf::from_json $json
163 198
… …
224} 259}
225 260
226sub freeze_mainloop { 261sub freeze_mainloop {
227 return unless $TICK_WATCHER->is_active; 262 return unless $TICK_WATCHER->is_active;
228 263
229 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;
230 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
231 $guard 270 $guard
232} 271}
233 272
234=item cf::async { BLOCK } 273=item cf::async { BLOCK }
… …
273 warn $@ if $@; 312 warn $@ if $@;
274 undef $busy; 313 undef $busy;
275 })->prio (Coro::PRIO_MAX); 314 })->prio (Coro::PRIO_MAX);
276 315
277 while ($busy) { 316 while ($busy) {
278 unless (Coro::cede) { 317 Coro::cede or Event::one_event;
279 Coro::nready ? Event::one_event 0 : Event::one_event;
280 Coro::cede_notself unless Coro::cede;
281 }
282 } 318 }
283 319
284 wantarray ? @res : $res[0] 320 wantarray ? @res : $res[0]
285 } else { 321 } else {
286 # we are in another coroutine, how wonderful, everything just works 322 # we are in another coroutine, how wonderful, everything just works
… …
289 } 325 }
290} 326}
291 327
292=item $coro = cf::async_ext { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
293 329
294Like async, but this coro is automcatially being canceled when the 330Like async, but this coro is automatically being canceled when the
295extension calling this is being unloaded. 331extension calling this is being unloaded.
296 332
297=cut 333=cut
298 334
299sub async_ext(&) { 335sub async_ext(&) {
… …
332} 368}
333 369
334=back 370=back
335 371
336=cut 372=cut
337
338#############################################################################
339
340package cf::path;
341
342sub new {
343 my ($class, $path, $base) = @_;
344
345 $path = $path->as_string if ref $path;
346
347 my $self = bless { }, $class;
348
349 # {... are special paths that are not touched
350 # ?xxx/... are special absolute paths
351 # ?random/... random maps
352 # /! non-realised random map exit
353 # /... normal maps
354 # ~/... per-player maps without a specific player (DO NOT USE)
355 # ~user/... per-player map of a specific user
356
357 if ($path =~ /^{/) {
358 # fine as it is
359 } elsif ($path =~ s{^\?random/}{}) {
360 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361 $self->{random} = cf::from_json $data;
362 } else {
363 if ($path =~ s{^~([^/]+)?}{}) {
364 $self->{user_rel} = 1;
365
366 if (defined $1) {
367 $self->{user} = $1;
368 } elsif ($base =~ m{^~([^/]+)/}) {
369 $self->{user} = $1;
370 } else {
371 warn "cannot resolve user-relative path without user <$path,$base>\n";
372 }
373 } elsif ($path =~ /^\//) {
374 # already absolute
375 } else {
376 $base =~ s{[^/]+/?$}{};
377 return $class->new ("$base/$path");
378 }
379
380 for ($path) {
381 redo if s{/\.?/}{/};
382 redo if s{/[^/]+/\.\./}{/};
383 }
384 }
385
386 $self->{path} = $path;
387
388 $self
389}
390
391# the name / primary key / in-game path
392sub as_string {
393 my ($self) = @_;
394
395 $self->{user_rel} ? "~$self->{user}$self->{path}"
396 : $self->{random} ? "?random/$self->{path}"
397 : $self->{path}
398}
399
400# the displayed name, this is a one way mapping
401sub visible_name {
402 my ($self) = @_;
403
404# if (my $rmp = $self->{random}) {
405# # todo: be more intelligent about this
406# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407# } else {
408 $self->as_string
409# }
410}
411
412# escape the /'s in the path
413sub _escaped_path {
414 # ∕ is U+2215
415 (my $path = $_[0]{path}) =~ s/\//∕/g;
416 $path
417}
418
419# the original (read-only) location
420sub load_path {
421 my ($self) = @_;
422
423 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424}
425
426# the temporary/swap location
427sub save_path {
428 my ($self) = @_;
429
430 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433}
434
435# the unique path, might be eq to save_path
436sub uniq_path {
437 my ($self) = @_;
438
439 $self->{user_rel} || $self->{random}
440 ? undef
441 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442}
443
444# return random map parameters, or undef
445sub random_map_params {
446 my ($self) = @_;
447
448 $self->{random}
449}
450
451# this is somewhat ugly, but style maps do need special treatment
452sub is_style_map {
453 $_[0]{path} =~ m{^/styles/}
454}
455
456package cf;
457 373
458############################################################################# 374#############################################################################
459 375
460=head2 ATTACHABLE OBJECTS 376=head2 ATTACHABLE OBJECTS
461 377
… …
908=cut 824=cut
909 825
910sub register_extcmd { 826sub register_extcmd {
911 my ($name, $cb) = @_; 827 my ($name, $cb) = @_;
912 828
913 my $caller = caller;
914 #warn "registering extcmd '$name' to '$caller'";
915
916 $EXTCMD{$name} = [$cb, $caller]; 829 $EXTCMD{$name} = $cb;
917} 830}
918 831
919cf::player->attach ( 832cf::player->attach (
920 on_command => sub { 833 on_command => sub {
921 my ($pl, $name, $params) = @_; 834 my ($pl, $name, $params) = @_;
… …
934 847
935 my $msg = eval { from_json $buf }; 848 my $msg = eval { from_json $buf };
936 849
937 if (ref $msg) { 850 if (ref $msg) {
938 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 851 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939 if (my %reply = $cb->[0]->($pl, $msg)) { 852 if (my %reply = $cb->($pl, $msg)) {
940 $pl->ext_reply ($msg->{msgid}, %reply); 853 $pl->ext_reply ($msg->{msgid}, %reply);
941 } 854 }
942 } 855 }
943 } else { 856 } else {
944 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 857 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
… …
946 859
947 cf::override; 860 cf::override;
948 }, 861 },
949); 862);
950 863
951sub register {
952 my ($base, $pkg) = @_;
953
954 #TODO
955}
956
957sub load_extension { 864sub load_extension {
958 my ($path) = @_; 865 my ($path) = @_;
959 866
960 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 867 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
961 my $base = $1; 868 my $base = $1;
962 my $pkg = $1; 869 my $pkg = $1;
963 $pkg =~ s/[^[:word:]]/_/g; 870 $pkg =~ s/[^[:word:]]/_/g;
964 $pkg = "ext::$pkg"; 871 $pkg = "ext::$pkg";
965 872
966 warn "loading '$path' into '$pkg'\n"; 873 warn "... loading '$path' into '$pkg'\n";
967 874
968 open my $fh, "<:utf8", $path 875 open my $fh, "<:utf8", $path
969 or die "$path: $!"; 876 or die "$path: $!";
970 877
971 my $source = 878 my $source =
972 "package $pkg; use strict; use utf8;\n" 879 "package $pkg; use strict; use utf8;\n"
973 . "#line 1 \"$path\"\n{\n" 880 . "#line 1 \"$path\"\n{\n"
974 . (do { local $/; <$fh> }) 881 . (do { local $/; <$fh> })
975 . "\n};\n1"; 882 . "\n};\n1";
976 883
977 eval $source 884 unless (eval $source) {
978 or die $@ ? "$path: $@\n" 885 my $msg = $@ ? "$path: $@\n"
979 : "extension disabled.\n"; 886 : "extension disabled.\n";
980 887 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981 push @exts, $pkg; 888 warn $@;
982 $ext_pkg{$base} = $pkg; 889 warn "mandatory extension failed to load, exiting.\n";
983 890 exit 1;
984# no strict 'refs'; 891 }
985# @{"$pkg\::ISA"} = ext::; 892 die $@;
986
987 register $base, $pkg;
988}
989
990sub unload_extension {
991 my ($pkg) = @_;
992
993 warn "removing extension $pkg\n";
994
995 # remove hooks
996 #TODO
997# for my $idx (0 .. $#PLUGIN_EVENT) {
998# delete $hook[$idx]{$pkg};
999# } 893 }
1000 894
1001 # remove commands 895 push @EXTS, $pkg;
1002 for my $name (keys %COMMAND) {
1003 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005 if (@cb) {
1006 $COMMAND{$name} = \@cb;
1007 } else {
1008 delete $COMMAND{$name};
1009 }
1010 }
1011
1012 # remove extcmds
1013 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014 delete $EXTCMD{$name};
1015 }
1016
1017 if (my $cb = $pkg->can ("unload")) {
1018 eval {
1019 $cb->($pkg);
1020 1
1021 } or warn "$pkg unloaded, but with errors: $@";
1022 }
1023
1024 Symbol::delete_package $pkg;
1025} 896}
1026 897
1027sub load_extensions { 898sub load_extensions {
1028 for my $ext (<$LIBDIR/*.ext>) { 899 for my $ext (<$LIBDIR/*.ext>) {
1029 next unless -r $ext; 900 next unless -r $ext;
… …
1033 } or warn "$ext not loaded: $@"; 904 } or warn "$ext not loaded: $@";
1034 } 905 }
1035} 906}
1036 907
1037############################################################################# 908#############################################################################
1038# load/save/clean perl data associated with a map
1039
1040*cf::mapsupport::on_clean = sub {
1041 my ($map) = @_;
1042
1043 my $path = $map->tmpname;
1044 defined $path or return;
1045
1046 unlink "$path.pst";
1047};
1048
1049cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051#############################################################################
1052# load/save perl data associated with player->ob objects
1053
1054sub all_objects(@) {
1055 @_, map all_objects ($_->inv), @_
1056}
1057
1058# TODO: compatibility cruft, remove when no longer needed
1059cf::player->attach (
1060 on_load => sub {
1061 my ($pl, $path) = @_;
1062
1063 for my $o (all_objects $pl->ob) {
1064 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065 $o->set_ob_key_value ("_perl_data");
1066
1067 %$o = %{ Storable::thaw pack "H*", $value };
1068 }
1069 }
1070 },
1071);
1072
1073#############################################################################
1074 909
1075=head2 CORE EXTENSIONS 910=head2 CORE EXTENSIONS
1076 911
1077Functions and methods that extend core crossfire objects. 912Functions and methods that extend core crossfire objects.
1078 913
914=cut
915
916package cf::player;
917
918use Coro::AIO;
919
1079=head3 cf::player 920=head3 cf::player
1080 921
1081=over 4 922=over 4
1082 923
1083=item cf::player::exists $login 924=item cf::player::find $login
1084 925
1085Returns true when the given account exists. 926Returns the given player object, loading it if necessary (might block).
1086 927
1087=cut 928=cut
1088 929
1089sub cf::player::exists($) { 930sub playerdir($) {
1090 cf::player::find $_[0] 931 cf::localdir
1091 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 932 . "/"
933 . cf::playerdir
934 . "/"
935 . (ref $_[0] ? $_[0]->ob->name : $_[0])
936}
937
938sub path($) {
939 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940
941 (playerdir $login) . "/$login.pl"
942}
943
944sub find_active($) {
945 $cf::PLAYER{$_[0]}
946 and $cf::PLAYER{$_[0]}->active
947 and $cf::PLAYER{$_[0]}
948}
949
950sub exists($) {
951 my ($login) = @_;
952
953 $cf::PLAYER{$login}
954 or cf::sync_job { !aio_stat $login }
955}
956
957sub find($) {
958 return $cf::PLAYER{$_[0]} || do {
959 my $login = $_[0];
960
961 my $guard = cf::lock_acquire "user_find:$login";
962
963 $cf::PLAYER{$_[0]} || do {
964 my $pl = load_pl path $login
965 or return;
966 $cf::PLAYER{$login} = $pl
967 }
968 }
969}
970
971sub save($) {
972 my ($pl) = @_;
973
974 return if $pl->{deny_save};
975
976 my $path = path $pl;
977 my $guard = cf::lock_acquire "user_save:$path";
978
979 return if $pl->{deny_save};
980
981 aio_mkdir playerdir $pl, 0770;
982 $pl->{last_save} = $cf::RUNTIME;
983
984 $pl->save_pl ($path);
985 Coro::cede;
986}
987
988sub new($) {
989 my ($login) = @_;
990
991 my $self = create;
992
993 $self->ob->name ($login);
994 $self->{deny_save} = 1;
995
996 $cf::PLAYER{$login} = $self;
997
998 $self
999}
1000
1001=item $pl->quit_character
1002
1003Nukes the player without looking back. If logged in, the connection will
1004be destroyed. May block for a long time.
1005
1006=cut
1007
1008sub quit_character {
1009 my ($pl) = @_;
1010
1011 $pl->{deny_save} = 1;
1012 $pl->password ("*"); # this should lock out the player until we nuked the dir
1013
1014 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015 $pl->deactivate;
1016 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1017 $pl->ns->destroy if $pl->ns;
1018
1019 my $path = playerdir $pl;
1020 my $temp = "$path~$cf::RUNTIME~deleting~";
1021 aio_rename $path, $temp;
1022 delete $cf::PLAYER{$pl->ob->name};
1023 $pl->destroy;
1024 IO::AIO::aio_rmtree $temp;
1025}
1026
1027=item cf::player::list_logins
1028
1029Returns am arrayref of all valid playernames in the system, can take a
1030while and may block, so not sync_job-capable, ever.
1031
1032=cut
1033
1034sub list_logins {
1035 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1036 or return [];
1037
1038 my @logins;
1039
1040 for my $login (@$dirs) {
1041 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1042 aio_read $fh, 0, 512, my $buf, 0 or next;
1043 $buf !~ /^password -------------$/m or next; # official not-valid tag
1044
1045 utf8::decode $login;
1046 push @logins, $login;
1047 }
1048
1049 \@logins
1050}
1051
1052=item $player->maps
1053
1054Returns an arrayref of map paths that are private for this
1055player. May block.
1056
1057=cut
1058
1059sub maps($) {
1060 my ($pl) = @_;
1061
1062 my $files = aio_readdir playerdir $pl
1063 or return;
1064
1065 my @paths;
1066
1067 for (@$files) {
1068 utf8::decode $_;
1069 next if /\.(?:pl|pst)$/;
1070 next unless /^$PATH_SEP/o;
1071
1072 s/\.map$//;
1073 push @paths, "~" . $pl->ob->name . "/" . $_;
1074 }
1075
1076 \@paths
1092} 1077}
1093 1078
1094=item $player->ext_reply ($msgid, $msgtype, %msg) 1079=item $player->ext_reply ($msgid, $msgtype, %msg)
1095 1080
1096Sends an ext reply to the player. 1081Sends an ext reply to the player.
1097 1082
1098=cut 1083=cut
1099 1084
1100sub cf::player::ext_reply($$$%) { 1085sub ext_reply($$$%) {
1101 my ($self, $id, %msg) = @_; 1086 my ($self, $id, %msg) = @_;
1102 1087
1103 $msg{msgid} = $id; 1088 $msg{msgid} = $id;
1104 1089
1105 $self->send ("ext " . to_json \%msg); 1090 $self->send ("ext " . cf::to_json \%msg);
1106} 1091}
1092
1093package cf;
1107 1094
1108=back 1095=back
1109 1096
1110 1097
1111=head3 cf::map 1098=head3 cf::map
… …
1117package cf::map; 1104package cf::map;
1118 1105
1119use Fcntl; 1106use Fcntl;
1120use Coro::AIO; 1107use Coro::AIO;
1121 1108
1109use overload
1110 '""' => \&as_string;
1111
1122our $MAX_RESET = 3600; 1112our $MAX_RESET = 3600;
1123our $DEFAULT_RESET = 3000; 1113our $DEFAULT_RESET = 3000;
1124 1114
1125sub generate_random_map { 1115sub generate_random_map {
1126 my ($path, $rmp) = @_; 1116 my ($self, $rmp) = @_;
1127 1117
1128 # mit "rum" bekleckern, nicht 1118 # mit "rum" bekleckern, nicht
1129 cf::map::_create_random_map 1119 $self->_create_random_map (
1130 $path,
1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1120 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1121 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1122 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134 $rmp->{exit_on_final_map}, 1123 $rmp->{exit_on_final_map},
1135 $rmp->{xsize}, $rmp->{ysize}, 1124 $rmp->{xsize}, $rmp->{ysize},
1136 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1125 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1126 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1127 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1128 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1129 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141 (cf::region::find $rmp->{region}) 1130 (cf::region::find $rmp->{region}), $rmp->{custom}
1131 )
1132}
1133
1134sub register {
1135 my (undef, $regex) = @_;
1136 my $pkg = caller;
1137
1138 no strict;
1139 push @{"$pkg\::ISA"}, __PACKAGE__;
1140
1141 $EXT_MAP{$pkg} = qr<$regex>;
1142}
1143
1144# also paths starting with '/'
1145$EXT_MAP{"cf::map"} = qr{^(?=/)};
1146
1147sub normalise {
1148 my ($path, $base) = @_;
1149
1150 # map plan:
1151 #
1152 # /! non-realised random map exit (special hack!)
1153 # {... are special paths that are not being touched
1154 # ?xxx/... are special absolute paths
1155 # ?random/... random maps
1156 # /... normal maps
1157 # ~user/... per-player map of a specific user
1158
1159 $path =~ s/$PATH_SEP/\//go;
1160
1161 # treat it as relative path if it starts with
1162 # something that looks reasonable
1163 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1164 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1165
1166 $base =~ s{[^/]+/?$}{};
1167 $path = "$base/$path";
1168 }
1169
1170 for ($path) {
1171 redo if s{//}{/};
1172 redo if s{/\.?/}{/};
1173 redo if s{/[^/]+/\.\./}{/};
1174 }
1175
1176 $path
1177}
1178
1179sub new_from_path {
1180 my (undef, $path, $base) = @_;
1181
1182 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183
1184 $path = normalise $path, $base;
1185
1186 for my $pkg (keys %EXT_MAP) {
1187 if ($path =~ $EXT_MAP{$pkg}) {
1188 my $self = bless cf::map::new, $pkg;
1189 $self->{path} = $path; $self->path ($path);
1190 $self->init; # pass $1 etc.
1191 return $self;
1192 }
1193 }
1194
1195 Carp::carp "unable to resolve path '$path'.";
1196 ()
1197}
1198
1199sub init {
1200 my ($self) = @_;
1201
1202 $self
1203}
1204
1205sub as_string {
1206 my ($self) = @_;
1207
1208 "$self->{path}"
1209}
1210
1211# the displayed name, this is a one way mapping
1212sub visible_name {
1213 &as_string
1214}
1215
1216# the original (read-only) location
1217sub load_path {
1218 my ($self) = @_;
1219
1220 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1221}
1222
1223# the temporary/swap location
1224sub save_path {
1225 my ($self) = @_;
1226
1227 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1229}
1230
1231# the unique path, undef == no special unique path
1232sub uniq_path {
1233 my ($self) = @_;
1234
1235 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142} 1237}
1143 1238
1144# and all this just because we cannot iterate over 1239# and all this just because we cannot iterate over
1145# all maps in C++... 1240# all maps in C++...
1146sub change_all_map_light { 1241sub change_all_map_light {
… …
1148 1243
1149 $_->change_map_light ($change) 1244 $_->change_map_light ($change)
1150 for grep $_->outdoor, values %cf::MAP; 1245 for grep $_->outdoor, values %cf::MAP;
1151} 1246}
1152 1247
1248sub unlink_save {
1249 my ($self) = @_;
1250
1251 utf8::encode (my $save = $self->save_path);
1252 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
1253 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
1254}
1255
1153sub try_load_header($) { 1256sub load_header_from($) {
1154 my ($path) = @_; 1257 my ($self, $path) = @_;
1155 1258
1156 utf8::encode $path; 1259 utf8::encode $path;
1157 aio_open $path, O_RDONLY, 0 1260 aio_open $path, O_RDONLY, 0
1158 or return; 1261 or return;
1159 1262
1160 my $map = cf::map::new 1263 $self->_load_header ($path)
1161 or return; 1264 or return;
1162 1265
1163 # for better error messages only, will be overwritten 1266 $self->{load_path} = $path;
1164 $map->path ($path);
1165 1267
1166 $map->load_header ($path) 1268 1
1269}
1270
1271sub load_orig {
1272 my ($self) = @_;
1273
1274 $self->load_header_from ($self->load_path)
1275}
1276
1277sub load_temp {
1278 my ($self) = @_;
1279
1280 $self->load_header_from ($self->save_path)
1281}
1282
1283sub load_header {
1284 my ($self) = @_;
1285
1286 if ($self->load_temp) {
1287 $self->last_access ((delete $self->{last_access})
1288 || $cf::RUNTIME); #d#
1289 # safety
1290 $self->{instantiate_time} = $cf::RUNTIME
1291 if $self->{instantiate_time} > $cf::RUNTIME;
1292 } else {
1293 $self->load_orig
1167 or return; 1294 or return;
1168 1295
1169 $map->{load_path} = $path; 1296 $self->{load_original} = 1;
1297 $self->{instantiate_time} = $cf::RUNTIME;
1298 $self->last_access ($cf::RUNTIME);
1299 $self->instantiate;
1300 }
1170 1301
1171 $map 1302 1
1172} 1303}
1173 1304
1174sub find; 1305sub find;
1175sub find { 1306sub find {
1176 my ($path, $origin) = @_; 1307 my ($path, $origin) = @_;
1177 1308
1178 #warn "find<$path,$origin>\n";#d#
1179
1180 $path = new cf::path $path, $origin && $origin->path; 1309 $path = normalise $path, $origin && $origin->path;
1181 my $key = $path->as_string;
1182 1310
1183 cf::lock_wait "map_find:$key"; 1311 cf::lock_wait "map_find:$path";
1184 1312
1185 $cf::MAP{$key} || do { 1313 $cf::MAP{$path} || do {
1186 my $guard = cf::lock_acquire "map_find:$key"; 1314 my $guard = cf::lock_acquire "map_find:$path";
1187 1315 my $map = new_from_path cf::map $path
1188 # do it the slow way
1189 my $map = try_load_header $path->save_path;
1190
1191 Coro::cede;
1192
1193 if ($map) {
1194 $map->last_access ((delete $map->{last_access})
1195 || $cf::RUNTIME); #d#
1196 # safety
1197 $map->{instantiate_time} = $cf::RUNTIME
1198 if $map->{instantiate_time} > $cf::RUNTIME;
1199 } else {
1200 if (my $rmp = $path->random_map_params) {
1201 $map = generate_random_map $key, $rmp;
1202 } else {
1203 $map = try_load_header $path->load_path;
1204 }
1205
1206 $map or return; 1316 or return;
1207 1317
1208 $map->{load_original} = 1;
1209 $map->{instantiate_time} = $cf::RUNTIME;
1210 $map->last_access ($cf::RUNTIME);
1211 $map->instantiate;
1212
1213 # per-player maps become, after loading, normal maps
1214 $map->per_player (0) if $path->{user_rel};
1215 }
1216
1217 $map->path ($key);
1218 $map->{path} = $path;
1219 $map->{last_save} = $cf::RUNTIME; 1318 $map->{last_save} = $cf::RUNTIME;
1220 1319
1221 Coro::cede; 1320 $map->load_header
1321 or return;
1222 1322
1223 if ($map->should_reset) { 1323 if ($map->should_reset) {
1224 $map->reset; 1324 $map->reset;
1225 undef $guard; 1325 undef $guard;
1226 $map = find $path 1326 $map = find $path
1227 or return; 1327 or return;
1228 } 1328 }
1229 1329
1230 $cf::MAP{$key} = $map 1330 $cf::MAP{$path} = $map
1231 } 1331 }
1232} 1332}
1233 1333
1234sub load { 1334sub load {
1235 my ($self) = @_; 1335 my ($self) = @_;
1236 1336
1237 my $path = $self->{path}; 1337 my $path = $self->{path};
1238 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1338 my $guard = cf::lock_acquire "map_load:$path";
1239 1339
1240 return if $self->in_memory != cf::MAP_SWAPPED; 1340 return if $self->in_memory != cf::MAP_SWAPPED;
1241 1341
1242 $self->in_memory (cf::MAP_LOADING); 1342 $self->in_memory (cf::MAP_LOADING);
1243 1343
1244 $self->alloc; 1344 $self->alloc;
1245 $self->load_objects ($self->{load_path}, 1) 1345 $self->_load_objects ($self->{load_path}, 1)
1246 or return; 1346 or return;
1247 1347
1248 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1348 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249 if delete $self->{load_original}; 1349 if delete $self->{load_original};
1250 1350
1251 if (my $uniq = $path->uniq_path) { 1351 if (my $uniq = $self->uniq_path) {
1252 utf8::encode $uniq; 1352 utf8::encode $uniq;
1253 if (aio_open $uniq, O_RDONLY, 0) { 1353 if (aio_open $uniq, O_RDONLY, 0) {
1254 $self->clear_unique_items; 1354 $self->clear_unique_items;
1255 $self->load_objects ($uniq, 0); 1355 $self->_load_objects ($uniq, 0);
1256 } 1356 }
1257 } 1357 }
1258 1358
1259 Coro::cede; 1359 Coro::cede;
1260 1360
1261 # now do the right thing for maps 1361 # now do the right thing for maps
1262 $self->link_multipart_objects; 1362 $self->link_multipart_objects;
1263 1363
1264 if ($self->{path}->is_style_map) { 1364 unless ($self->{deny_activate}) {
1265 $self->{deny_save} = 1; 1365 $self->decay_objects;
1266 $self->{deny_reset} = 1;
1267 } else {
1268 $self->fix_auto_apply; 1366 $self->fix_auto_apply;
1269 $self->decay_objects;
1270 $self->update_buttons; 1367 $self->update_buttons;
1368 Coro::cede;
1271 $self->set_darkness_map; 1369 $self->set_darkness_map;
1272 $self->difficulty ($self->estimate_difficulty) 1370 $self->difficulty ($self->estimate_difficulty)
1273 unless $self->difficulty; 1371 unless $self->difficulty;
1372 Coro::cede;
1274 $self->activate; 1373 $self->activate;
1275 } 1374 }
1276 1375
1277 Coro::cede;
1278
1279 $self->in_memory (cf::MAP_IN_MEMORY); 1376 $self->in_memory (cf::MAP_IN_MEMORY);
1377}
1378
1379sub customise_for {
1380 my ($self, $ob) = @_;
1381
1382 return find "~" . $ob->name . "/" . $self->{path}
1383 if $self->per_player;
1384
1385 $self
1386}
1387
1388# find and load all maps in the 3x3 area around a map
1389sub load_diag {
1390 my ($map) = @_;
1391
1392 my @diag; # diagonal neighbours
1393
1394 for (0 .. 3) {
1395 my $neigh = $map->tile_path ($_)
1396 or next;
1397 $neigh = find $neigh, $map
1398 or next;
1399 $neigh->load;
1400
1401 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1402 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1403 }
1404
1405 for (@diag) {
1406 my $neigh = find @$_
1407 or next;
1408 $neigh->load;
1409 }
1280} 1410}
1281 1411
1282sub find_sync { 1412sub find_sync {
1283 my ($path, $origin) = @_; 1413 my ($path, $origin) = @_;
1284 1414
1285 cf::sync_job { cf::map::find $path, $origin } 1415 cf::sync_job { find $path, $origin }
1286} 1416}
1287 1417
1288sub do_load_sync { 1418sub do_load_sync {
1289 my ($map) = @_; 1419 my ($map) = @_;
1290 1420
1291 cf::sync_job { $map->load }; 1421 cf::sync_job { $map->load };
1292} 1422}
1293 1423
1424our %MAP_PREFETCH;
1425our $MAP_PREFETCHER = Coro::async {
1426 while () {
1427 for my $path (keys %MAP_PREFETCH) {
1428 my $map = find $path
1429 or next;
1430 $map->load;
1431
1432 delete $MAP_PREFETCH{$path};
1433 }
1434 Coro::schedule;
1435 }
1436};
1437
1438sub find_async {
1439 my ($path, $origin) = @_;
1440
1441 $path = normalise $path, $origin && $origin->{path};
1442
1443 if (my $map = $cf::MAP{$path}) {
1444 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1445 }
1446
1447 $MAP_PREFETCH{$path} = 0;
1448 $MAP_PREFETCHER->ready;
1449
1450 ()
1451}
1452
1294sub save { 1453sub save {
1295 my ($self) = @_; 1454 my ($self) = @_;
1296 1455
1297 my $lock = cf::lock_acquire "map_data:" . $self->path; 1456 my $lock = cf::lock_acquire "map_data:" . $self->path;
1298 1457
1299 $self->{last_save} = $cf::RUNTIME; 1458 $self->{last_save} = $cf::RUNTIME;
1300 1459
1301 return unless $self->dirty; 1460 return unless $self->dirty;
1302 1461
1303 my $save = $self->{path}->save_path; utf8::encode $save; 1462 my $save = $self->save_path; utf8::encode $save;
1304 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1463 my $uniq = $self->uniq_path; utf8::encode $uniq;
1305 1464
1306 $self->{load_path} = $save; 1465 $self->{load_path} = $save;
1307 1466
1308 return if $self->{deny_save}; 1467 return if $self->{deny_save};
1309 1468
1310 local $self->{last_access} = $self->last_access;#d# 1469 local $self->{last_access} = $self->last_access;#d#
1311 1470
1471 cf::async {
1472 $_->contr->save for $self->players;
1473 };
1474
1312 if ($uniq) { 1475 if ($uniq) {
1313 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1476 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314 $self->save_objects ($uniq, cf::IO_UNIQUES); 1477 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1315 } else { 1478 } else {
1316 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1479 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317 } 1480 }
1318} 1481}
1319 1482
1320sub swap_out { 1483sub swap_out {
1321 my ($self) = @_; 1484 my ($self) = @_;
… …
1335 1498
1336sub reset_at { 1499sub reset_at {
1337 my ($self) = @_; 1500 my ($self) = @_;
1338 1501
1339 # TODO: safety, remove and allow resettable per-player maps 1502 # TODO: safety, remove and allow resettable per-player maps
1340 return 1e99 if $self->{path}{user_rel}; 1503 return 1e99 if $self->isa ("ext::map_per_player");
1341 return 1e99 if $self->{deny_reset}; 1504 return 1e99 if $self->{deny_reset};
1342 1505
1343 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1506 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1507 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345 1508
… …
1350 my ($self) = @_; 1513 my ($self) = @_;
1351 1514
1352 $self->reset_at <= $cf::RUNTIME 1515 $self->reset_at <= $cf::RUNTIME
1353} 1516}
1354 1517
1355sub unlink_save {
1356 my ($self) = @_;
1357
1358 utf8::encode (my $save = $self->{path}->save_path);
1359 aioreq_pri 3; IO::AIO::aio_unlink $save;
1360 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361}
1362
1363sub rename { 1518sub rename {
1364 my ($self, $new_path) = @_; 1519 my ($self, $new_path) = @_;
1365 1520
1521 normalise $new_path;
1522
1366 $self->unlink_save; 1523 $self->unlink_save;
1367 1524
1368 delete $cf::MAP{$self->path}; 1525 delete $cf::MAP{$self->path};
1369 $self->{path} = new cf::path $new_path; 1526 $self->{path} = $new_path; $self->path ($self->{path});
1370 $self->path ($self->{path}->as_string);
1371 $cf::MAP{$self->path} = $self; 1527 $cf::MAP{$self->path} = $self;
1372 1528
1373 $self->save; 1529 $self->save;
1374} 1530}
1375 1531
1376sub reset { 1532sub reset {
1377 my ($self) = @_; 1533 my ($self) = @_;
1378 1534
1379 my $lock = cf::lock_acquire "map_data:" . $self->path; 1535 my $lock = cf::lock_acquire "map_data:$self->{path}";
1380 1536
1381 return if $self->players; 1537 return if $self->players;
1382 return if $self->{path}{user_rel};#d# 1538 return if $self->isa ("ext::map_per_player");#d#
1383 1539
1384 warn "resetting map ", $self->path;#d# 1540 warn "resetting map ", $self->path;#d#
1385 1541
1386 delete $cf::MAP{$self->path}; 1542 delete $cf::MAP{$self->path};
1543
1544 $self->in_memory (cf::MAP_SWAPPED);
1545 $self->clear;
1387 1546
1388 $_->clear_links_to ($self) for values %cf::MAP; 1547 $_->clear_links_to ($self) for values %cf::MAP;
1389 1548
1390 $self->unlink_save; 1549 $self->unlink_save;
1391 $self->destroy; 1550 $self->destroy;
… …
1400 $self->reset_timeout (1); 1559 $self->reset_timeout (1);
1401 $self->rename ("{nuke}/" . ($nuke_counter++)); 1560 $self->rename ("{nuke}/" . ($nuke_counter++));
1402 $self->reset; # polite request, might not happen 1561 $self->reset; # polite request, might not happen
1403} 1562}
1404 1563
1405sub customise_for { 1564=item cf::map::unique_maps
1406 my ($map, $ob) = @_;
1407 1565
1408 if ($map->per_player) { 1566Returns an arrayref of paths of all shared maps that have
1409 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1567instantiated unique items. May block.
1410 }
1411 1568
1412 $map 1569=cut
1413}
1414 1570
1415sub emergency_save { 1571sub unique_maps() {
1416 my $freeze_guard = cf::freeze_mainloop; 1572 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1573 or return;
1417 1574
1418 warn "enter emergency map save\n"; 1575 my @paths;
1419 1576
1420 cf::sync_job { 1577 for (@$files) {
1421 warn "begin emergency map save\n"; 1578 utf8::decode $_;
1422 $_->save for values %cf::MAP; 1579 next if /\.pst$/;
1580 next unless /^$PATH_SEP/o;
1581
1582 s/\.map$//;
1583 push @paths, $_;
1423 }; 1584 }
1424 1585
1425 warn "end emergency map save\n"; 1586 \@paths
1426} 1587}
1427 1588
1428package cf; 1589package cf;
1429 1590
1430=back 1591=back
1431 1592
1593=head3 cf::object
1594
1595=cut
1596
1597package cf::object;
1598
1599=over 4
1600
1601=item $ob->inv_recursive
1602
1603Returns the inventory of the object _and_ their inventories, recursively.
1604
1605=cut
1606
1607sub inv_recursive_;
1608sub inv_recursive_ {
1609 map { $_, inv_recursive_ $_->inv } @_
1610}
1611
1612sub inv_recursive {
1613 inv_recursive_ inv $_[0]
1614}
1615
1616package cf;
1617
1618=back
1432 1619
1433=head3 cf::object::player 1620=head3 cf::object::player
1434 1621
1435=over 4 1622=over 4
1436 1623
… …
1476 1663
1477=item $player_object->enter_link 1664=item $player_object->enter_link
1478 1665
1479Freezes the player and moves him/her to a special map (C<{link}>). 1666Freezes the player and moves him/her to a special map (C<{link}>).
1480 1667
1481The player should be reaosnably safe there for short amounts of time. You 1668The player should be reasonably safe there for short amounts of time. You
1482I<MUST> call C<leave_link> as soon as possible, though. 1669I<MUST> call C<leave_link> as soon as possible, though.
1483 1670
1671Will never block.
1672
1484=item $player_object->leave_link ($map, $x, $y) 1673=item $player_object->leave_link ($map, $x, $y)
1485 1674
1486Moves the player out of the specila link map onto the given map. If the 1675Moves the player out of the special C<{link}> map onto the specified
1487map is not valid (or omitted), the player will be moved back to the 1676map. If the map is not valid (or omitted), the player will be moved back
1488location he/she was before the call to C<enter_link>, or, if that fails, 1677to the location he/she was before the call to C<enter_link>, or, if that
1489to the emergency map position. 1678fails, to the emergency map position.
1490 1679
1491Might block. 1680Might block.
1492 1681
1493=cut 1682=cut
1683
1684sub link_map {
1685 unless ($LINK_MAP) {
1686 $LINK_MAP = cf::map::find "{link}"
1687 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1688 $LINK_MAP->load;
1689 }
1690
1691 $LINK_MAP
1692}
1494 1693
1495sub cf::object::player::enter_link { 1694sub cf::object::player::enter_link {
1496 my ($self) = @_; 1695 my ($self) = @_;
1497 1696
1498 $self->deactivate_recursive; 1697 $self->deactivate_recursive;
1499 1698
1500 return if $self->map == $LINK_MAP; 1699 return if UNIVERSAL::isa $self->map, "ext::map_link";
1501 1700
1502 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1701 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503 if $self->map; 1702 if $self->map;
1504 1703
1505 $self->enter_map ($LINK_MAP, 20, 20); 1704 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1506} 1705}
1507 1706
1508sub cf::object::player::leave_link { 1707sub cf::object::player::leave_link {
1509 my ($self, $map, $x, $y) = @_; 1708 my ($self, $map, $x, $y) = @_;
1510 1709
… …
1528 # use -1 or undef as default coordinates, not 0, 0 1727 # use -1 or undef as default coordinates, not 0, 0
1529 ($x, $y) = ($map->enter_x, $map->enter_y) 1728 ($x, $y) = ($map->enter_x, $map->enter_y)
1530 if $x <=0 && $y <= 0; 1729 if $x <=0 && $y <= 0;
1531 1730
1532 $map->load; 1731 $map->load;
1732 $map->load_diag;
1533 1733
1734 return unless $self->contr->active;
1534 $self->activate_recursive; 1735 $self->activate_recursive;
1535 $self->enter_map ($map, $x, $y); 1736 $self->enter_map ($map, $x, $y);
1536} 1737}
1537 1738
1538cf::player->attach ( 1739cf::player->attach (
… …
1550 my ($pl) = @_; 1751 my ($pl) = @_;
1551 1752
1552 # try to abort aborted map switching on player login :) 1753 # try to abort aborted map switching on player login :)
1553 # should happen only on crashes 1754 # should happen only on crashes
1554 if ($pl->ob->{_link_pos}) { 1755 if ($pl->ob->{_link_pos}) {
1555
1556 $pl->ob->enter_link; 1756 $pl->ob->enter_link;
1557 (async { 1757 (async {
1558 # we need this sleep as the login has a concurrent enter_exit running 1758 # we need this sleep as the login has a concurrent enter_exit running
1559 # and this sleep increases chances of the player not ending up in scorn 1759 # and this sleep increases chances of the player not ending up in scorn
1560 $pl->ob->reply (undef, 1760 $pl->ob->reply (undef,
… …
1576 my ($self, $path, $x, $y) = @_; 1776 my ($self, $path, $x, $y) = @_;
1577 1777
1578 $self->enter_link; 1778 $self->enter_link;
1579 1779
1580 (async { 1780 (async {
1581 $path = new cf::path $path;
1582
1583 my $map = cf::map::find $path->as_string; 1781 my $map = cf::map::find $path;
1584 $map = $map->customise_for ($self) if $map; 1782 $map = $map->customise_for ($self) if $map;
1585 1783
1586# warn "entering ", $map->path, " at ($x, $y)\n" 1784# warn "entering ", $map->path, " at ($x, $y)\n"
1587# if $map; 1785# if $map;
1588 1786
1589 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1787 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590 1788
1591 $self->leave_link ($map, $x, $y); 1789 $self->leave_link ($map, $x, $y);
1592 })->prio (1); 1790 })->prio (1);
1593} 1791}
1594 1792
… …
1653 $self->deactivate_recursive; # just to be sure 1851 $self->deactivate_recursive; # just to be sure
1654 unless (eval { 1852 unless (eval {
1655 prepare_random_map $exit 1853 prepare_random_map $exit
1656 if $exit->slaying eq "/!"; 1854 if $exit->slaying eq "/!";
1657 1855
1658 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1856 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1659 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1857 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660 1858
1661 1; 1859 1;
1662 }) { 1860 }) {
1663 $self->message ("Something went wrong deep within the crossfire server. " 1861 $self->message ("Something went wrong deep within the crossfire server. "
1664 . "I'll try to bring you back to the map you were before. " 1862 . "I'll try to bring you back to the map you were before. "
1665 . "Please report this to the dungeon master", 1863 . "Please report this to the dungeon master!",
1666 cf::NDI_UNIQUE | cf::NDI_RED); 1864 cf::NDI_UNIQUE | cf::NDI_RED);
1667 1865
1668 warn "ERROR in enter_exit: $@"; 1866 warn "ERROR in enter_exit: $@";
1669 $self->leave_link; 1867 $self->leave_link;
1670 } 1868 }
… …
2002 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2200 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2201 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004 2202
2005 if (exists $CFG{mlockall}) { 2203 if (exists $CFG{mlockall}) {
2006 eval { 2204 eval {
2007 $CFG{mlockall} ? &mlockall : &munlockall 2205 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008 and die "WARNING: m(un)lockall failed: $!\n"; 2206 and die "WARNING: m(un)lockall failed: $!\n";
2009 }; 2207 };
2010 warn $@ if $@; 2208 warn $@ if $@;
2011 } 2209 }
2012} 2210}
… …
2023 load_extensions; 2221 load_extensions;
2024 Event::loop; 2222 Event::loop;
2025} 2223}
2026 2224
2027############################################################################# 2225#############################################################################
2028# initialisation 2226# initialisation and cleanup
2227
2228# install some emergency cleanup handlers
2229BEGIN {
2230 for my $signal (qw(INT HUP TERM)) {
2231 Event->signal (
2232 data => WF_AUTOCANCEL,
2233 signal => $signal,
2234 cb => sub {
2235 cf::cleanup "SIG$signal";
2236 },
2237 );
2238 }
2239}
2240
2241sub emergency_save() {
2242 my $freeze_guard = cf::freeze_mainloop;
2243
2244 warn "enter emergency perl save\n";
2245
2246 cf::sync_job {
2247 # use a peculiar iteration method to avoid tripping on perl
2248 # refcount bugs in for. also avoids problems with players
2249 # and maps saved/destroyed asynchronously.
2250 warn "begin emergency player save\n";
2251 for my $login (keys %cf::PLAYER) {
2252 my $pl = $cf::PLAYER{$login} or next;
2253 $pl->valid or next;
2254 $pl->save;
2255 }
2256 warn "end emergency player save\n";
2257
2258 warn "begin emergency map save\n";
2259 for my $path (keys %cf::MAP) {
2260 my $map = $cf::MAP{$path} or next;
2261 $map->valid or next;
2262 $map->save;
2263 }
2264 warn "end emergency map save\n";
2265 };
2266
2267 warn "leave emergency perl save\n";
2268}
2029 2269
2030sub reload() { 2270sub reload() {
2031 # can/must only be called in main 2271 # can/must only be called in main
2032 if ($Coro::current != $Coro::main) { 2272 if ($Coro::current != $Coro::main) {
2033 warn "can only reload from main coroutine\n"; 2273 warn "can only reload from main coroutine\n";
2034 return; 2274 return;
2035 } 2275 }
2036 2276
2037 warn "reloading..."; 2277 warn "reloading...";
2038 2278
2279 warn "freezing server";
2039 my $guard = freeze_mainloop; 2280 my $guard = freeze_mainloop;
2040 cf::emergency_save; 2281 cf::emergency_save;
2041 2282
2283 warn "sync database to disk";
2284 cf::db_sync;
2285 IO::AIO::flush;
2286
2042 eval { 2287 eval {
2043 # if anything goes wrong in here, we should simply crash as we already saved 2288 # if anything goes wrong in here, we should simply crash as we already saved
2044 2289
2045 # cancel all watchers 2290 warn "cancel all watchers";
2046 for (Event::all_watchers) { 2291 for (Event::all_watchers) {
2047 $_->cancel if $_->data & WF_AUTOCANCEL; 2292 $_->cancel if $_->data & WF_AUTOCANCEL;
2048 } 2293 }
2049 2294
2050 # cancel all extension coros 2295 warn "cancel all extension coros";
2051 $_->cancel for values %EXT_CORO; 2296 $_->cancel for values %EXT_CORO;
2052 %EXT_CORO = (); 2297 %EXT_CORO = ();
2053 2298
2299 warn "remove commands";
2300 %COMMAND = ();
2301
2302 warn "remove ext commands";
2303 %EXTCMD = ();
2304
2054 # unload all extensions 2305 warn "unload/nuke all extensions";
2055 for (@exts) { 2306 for my $pkg (@EXTS) {
2056 warn "unloading <$_>"; 2307 warn "... unloading $pkg";
2057 unload_extension $_; 2308
2309 if (my $cb = $pkg->can ("unload")) {
2310 eval {
2311 $cb->($pkg);
2312 1
2313 } or warn "$pkg unloaded, but with errors: $@";
2058 } 2314 }
2059 2315
2316 warn "... nuking $pkg";
2317 Symbol::delete_package $pkg;
2318 }
2319
2060 # unload all modules loaded from $LIBDIR 2320 warn "unload all perl modules loaded from $LIBDIR";
2061 while (my ($k, $v) = each %INC) { 2321 while (my ($k, $v) = each %INC) {
2062 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2322 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063 2323
2064 warn "removing <$k>"; 2324 warn "removing <$k>";
2065 delete $INC{$k}; 2325 delete $INC{$k};
… …
2072 } 2332 }
2073 2333
2074 Symbol::delete_package $k; 2334 Symbol::delete_package $k;
2075 } 2335 }
2076 2336
2077 # sync database to disk
2078 cf::db_sync;
2079 IO::AIO::flush;
2080
2081 # get rid of safe::, as good as possible 2337 warn "get rid of safe::, as good as possible";
2082 Symbol::delete_package "safe::$_" 2338 Symbol::delete_package "safe::$_"
2083 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2339 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084 2340
2085 # remove register_script_function callbacks
2086 # TODO
2087
2088 # unload cf.pm "a bit" 2341 warn "unload cf.pm \"a bit\"";
2089 delete $INC{"cf.pm"}; 2342 delete $INC{"cf.pm"};
2090 2343
2091 # don't, removes xs symbols, too, 2344 # don't, removes xs symbols, too,
2092 # and global variables created in xs 2345 # and global variables created in xs
2093 #Symbol::delete_package __PACKAGE__; 2346 #Symbol::delete_package __PACKAGE__;
2094 2347
2095 # reload cf.pm
2096 warn "reloading cf.pm"; 2348 warn "reloading cf.pm";
2097 require cf; 2349 require cf;
2098 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2350 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099 2351
2100 # load config and database again 2352 warn "load config and database again";
2101 cf::cfg_load; 2353 cf::cfg_load;
2102 cf::db_load; 2354 cf::db_load;
2103 2355
2104 # load extensions
2105 warn "load extensions"; 2356 warn "load extensions";
2106 cf::load_extensions; 2357 cf::load_extensions;
2107 2358
2108 # reattach attachments to objects 2359 warn "reattach attachments to objects/players";
2109 warn "reattach";
2110 _global_reattach; 2360 _global_reattach;
2361 warn "reattach attachments to maps";
2362 reattach $_ for values %MAP;
2111 }; 2363 };
2112 2364
2113 if ($@) { 2365 if ($@) {
2114 warn $@; 2366 warn $@;
2115 warn "error while reloading, exiting."; 2367 warn "error while reloading, exiting.";
2116 exit 1; 2368 exit 1;
2117 } 2369 }
2118 2370
2119 warn "reloaded successfully"; 2371 warn "reloaded";
2120}; 2372};
2121
2122#############################################################################
2123
2124unless ($LINK_MAP) {
2125 $LINK_MAP = cf::map::new;
2126
2127 $LINK_MAP->width (41);
2128 $LINK_MAP->height (41);
2129 $LINK_MAP->alloc;
2130 $LINK_MAP->path ("{link}");
2131 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134 # dirty hack because... archetypes are not yet loaded
2135 Event->timer (
2136 after => 2,
2137 cb => sub {
2138 $_[0]->w->cancel;
2139
2140 # provide some exits "home"
2141 my $exit = cf::object::new "exit";
2142
2143 $exit->slaying ($EMERGENCY_POSITION->[0]);
2144 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147 $LINK_MAP->insert ($exit->clone, 19, 19);
2148 $LINK_MAP->insert ($exit->clone, 19, 20);
2149 $LINK_MAP->insert ($exit->clone, 19, 21);
2150 $LINK_MAP->insert ($exit->clone, 20, 19);
2151 $LINK_MAP->insert ($exit->clone, 20, 21);
2152 $LINK_MAP->insert ($exit->clone, 21, 19);
2153 $LINK_MAP->insert ($exit->clone, 21, 20);
2154 $LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156 $exit->destroy;
2157 });
2158
2159 $LINK_MAP->{deny_save} = 1;
2160 $LINK_MAP->{deny_reset} = 1;
2161
2162 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163}
2164
2165register "<global>", __PACKAGE__;
2166 2373
2167register_command "reload" => sub { 2374register_command "reload" => sub {
2168 my ($who, $arg) = @_; 2375 my ($who, $arg) = @_;
2169 2376
2170 if ($who->flag (FLAG_WIZ)) { 2377 if ($who->flag (FLAG_WIZ)) {
… …
2180 reentrant => 0, 2387 reentrant => 0,
2181 prio => 0, 2388 prio => 0,
2182 at => $NEXT_TICK || $TICK, 2389 at => $NEXT_TICK || $TICK,
2183 data => WF_AUTOCANCEL, 2390 data => WF_AUTOCANCEL,
2184 cb => sub { 2391 cb => sub {
2392 $NOW = Event::time;
2393
2185 cf::server_tick; # one server iteration 2394 cf::server_tick; # one server iteration
2186 $RUNTIME += $TICK; 2395 $RUNTIME += $TICK;
2187 $NEXT_TICK += $TICK; 2396 $NEXT_TICK += $TICK;
2397
2398 $WAIT_FOR_TICK->broadcast;
2399 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2188 2400
2189 # if we are delayed by four ticks or more, skip them all 2401 # if we are delayed by four ticks or more, skip them all
2190 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2402 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191 2403
2192 $TICK_WATCHER->at ($NEXT_TICK); 2404 $TICK_WATCHER->at ($NEXT_TICK);
… …
2194 }, 2406 },
2195); 2407);
2196 2408
2197IO::AIO::max_poll_time $TICK * 0.2; 2409IO::AIO::max_poll_time $TICK * 0.2;
2198 2410
2199Event->io ( 2411$AIO_POLL_WATCHER = Event->io (
2200 fd => IO::AIO::poll_fileno, 2412 fd => IO::AIO::poll_fileno,
2201 poll => 'r', 2413 poll => 'r',
2202 prio => 5, 2414 prio => 5,
2203 data => WF_AUTOCANCEL, 2415 data => WF_AUTOCANCEL,
2204 cb => \&IO::AIO::poll_cb, 2416 cb => \&IO::AIO::poll_cb,
2205); 2417);
2206 2418
2207Event->timer ( 2419$WRITE_RUNTIME_WATCHER = Event->timer (
2208 data => WF_AUTOCANCEL, 2420 data => WF_AUTOCANCEL,
2209 after => 0, 2421 after => 0,
2210 interval => 10, 2422 interval => 10,
2211 cb => sub { 2423 cb => sub {
2212 (Coro::unblock_sub { 2424 (Coro::unblock_sub {

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