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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 1.200 by root, Mon Jan 29 17:57:22 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 3.5 ();
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;
87
88sub cf::map::normalise;
78 89
79############################################################################# 90#############################################################################
80 91
81=head2 GLOBAL VARIABLES 92=head2 GLOBAL VARIABLES
82 93
106 117
107=item %cf::CFG 118=item %cf::CFG
108 119
109Configuration for the server, loaded from C</etc/crossfire/config>, or 120Configuration for the server, loaded from C</etc/crossfire/config>, or
110from wherever your confdir points to. 121from wherever your confdir points to.
122
123=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
124
125These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
126or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
127processing has been done. Call C<< ->wait >> on them to maximise the
128window of cpu time available, or simply to synchronise to the server tick.
111 129
112=back 130=back
113 131
114=cut 132=cut
115 133
146} 164}
147 165
148$Event::DIED = sub { 166$Event::DIED = sub {
149 warn "error in event callback: @_"; 167 warn "error in event callback: @_";
150}; 168};
151
152my %ext_pkg;
153my @exts;
154my @hook;
155 169
156=head2 UTILITY FUNCTIONS 170=head2 UTILITY FUNCTIONS
157 171
158=over 4 172=over 4
159 173
247} 261}
248 262
249sub freeze_mainloop { 263sub freeze_mainloop {
250 return unless $TICK_WATCHER->is_active; 264 return unless $TICK_WATCHER->is_active;
251 265
252 my $guard = Coro::guard { $TICK_WATCHER->start }; 266 my $guard = Coro::guard {
267 $TICK_WATCHER->start;
268 $WRITE_RUNTIME_WATCHER->start;
269 };
270 $WRITE_RUNTIME_WATCHER->stop;
253 $TICK_WATCHER->stop; 271 $TICK_WATCHER->stop;
254 $guard 272 $guard
255} 273}
256 274
257=item cf::async { BLOCK } 275=item cf::async { BLOCK }
309 } 327 }
310} 328}
311 329
312=item $coro = cf::async_ext { BLOCK } 330=item $coro = cf::async_ext { BLOCK }
313 331
314Like async, but this coro is automcatially being canceled when the 332Like async, but this coro is automatically being canceled when the
315extension calling this is being unloaded. 333extension calling this is being unloaded.
316 334
317=cut 335=cut
318 336
319sub async_ext(&) { 337sub async_ext(&) {
333 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
334 352
335 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336 or return; 354 or return;
337 355
356 my $value = $cf::RUNTIME + 90 + 10;
338 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359
339 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
340 and return; 361 and return;
341 362
342 aio_fsync $fh 363 aio_fsync $fh
343 and return; 364 and return;
352} 373}
353 374
354=back 375=back
355 376
356=cut 377=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;
479 378
480############################################################################# 379#############################################################################
481 380
482=head2 ATTACHABLE OBJECTS 381=head2 ATTACHABLE OBJECTS
483 382
609our @CB_TYPE = (); # registry for type (cf-object class) based events 508our @CB_TYPE = (); # registry for type (cf-object class) based events
610our @CB_MAP = (); 509our @CB_MAP = ();
611 510
612my %attachment; 511my %attachment;
613 512
513sub cf::attachable::thawer_merge {
514 # simply override everything except _meta
515 local $_[0]{_meta};
516 %{$_[0]} = %{$_[1]};
517}
518
614sub _attach_cb($$$$) { 519sub _attach_cb($$$$) {
615 my ($registry, $event, $prio, $cb) = @_; 520 my ($registry, $event, $prio, $cb) = @_;
616 521
617 use sort 'stable'; 522 use sort 'stable';
618 523
789# object support 694# object support
790 695
791sub reattach { 696sub reattach {
792 # basically do the same as instantiate, without calling instantiate 697 # basically do the same as instantiate, without calling instantiate
793 my ($obj) = @_; 698 my ($obj) = @_;
699
700 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794 701
795 my $registry = $obj->registry; 702 my $registry = $obj->registry;
796 703
797 @$registry = (); 704 @$registry = ();
798 705
869 } 776 }
870 } else { 777 } else {
871 aio_unlink $filename; 778 aio_unlink $filename;
872 aio_unlink "$filename.pst"; 779 aio_unlink "$filename.pst";
873 } 780 }
781
782 #d##TODO# nuke non .map-files if exist
783 if ($filename =~ s/\.map$//) {
784 aio_unlink $filename;
785 aio_unlink "$filename.pst";
786 }
874 } 787 }
875} 788}
876 789
877sub object_freezer_as_string { 790sub object_freezer_as_string {
878 my ($rdata, $objs) = @_; 791 my ($rdata, $objs) = @_;
884 797
885sub object_thawer_load { 798sub object_thawer_load {
886 my ($filename) = @_; 799 my ($filename) = @_;
887 800
888 my ($data, $av); 801 my ($data, $av);
802
803 #d#TODO remove .map if file does not exist
804 aio_stat $filename and $filename =~ s/\.map$//;
889 805
890 (aio_load $filename, $data) >= 0 806 (aio_load $filename, $data) >= 0
891 or return; 807 or return;
892 808
893 unless (aio_stat "$filename.pst") { 809 unless (aio_stat "$filename.pst") {
930=cut 846=cut
931 847
932sub register_extcmd { 848sub register_extcmd {
933 my ($name, $cb) = @_; 849 my ($name, $cb) = @_;
934 850
935 my $caller = caller;
936 #warn "registering extcmd '$name' to '$caller'";
937
938 $EXTCMD{$name} = [$cb, $caller]; 851 $EXTCMD{$name} = $cb;
939} 852}
940 853
941cf::player->attach ( 854cf::player->attach (
942 on_command => sub { 855 on_command => sub {
943 my ($pl, $name, $params) = @_; 856 my ($pl, $name, $params) = @_;
956 869
957 my $msg = eval { from_json $buf }; 870 my $msg = eval { from_json $buf };
958 871
959 if (ref $msg) { 872 if (ref $msg) {
960 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 873 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961 if (my %reply = $cb->[0]->($pl, $msg)) { 874 if (my %reply = $cb->($pl, $msg)) {
962 $pl->ext_reply ($msg->{msgid}, %reply); 875 $pl->ext_reply ($msg->{msgid}, %reply);
963 } 876 }
964 } 877 }
965 } else { 878 } else {
966 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 879 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
968 881
969 cf::override; 882 cf::override;
970 }, 883 },
971); 884);
972 885
973sub register {
974 my ($base, $pkg) = @_;
975
976 #TODO
977}
978
979sub load_extension { 886sub load_extension {
980 my ($path) = @_; 887 my ($path) = @_;
981 888
982 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 889 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
983 my $base = $1; 890 my $base = $1;
984 my $pkg = $1; 891 my $pkg = $1;
985 $pkg =~ s/[^[:word:]]/_/g; 892 $pkg =~ s/[^[:word:]]/_/g;
986 $pkg = "ext::$pkg"; 893 $pkg = "ext::$pkg";
987 894
988 warn "loading '$path' into '$pkg'\n"; 895 warn "... loading '$path' into '$pkg'\n";
989 896
990 open my $fh, "<:utf8", $path 897 open my $fh, "<:utf8", $path
991 or die "$path: $!"; 898 or die "$path: $!";
992 899
993 my $source = 900 my $source =
994 "package $pkg; use strict; use utf8;\n" 901 "package $pkg; use strict; use utf8;\n"
995 . "#line 1 \"$path\"\n{\n" 902 . "#line 1 \"$path\"\n{\n"
996 . (do { local $/; <$fh> }) 903 . (do { local $/; <$fh> })
997 . "\n};\n1"; 904 . "\n};\n1";
998 905
999 eval $source 906 unless (eval $source) {
1000 or die $@ ? "$path: $@\n" 907 my $msg = $@ ? "$path: $@\n"
1001 : "extension disabled.\n"; 908 : "extension disabled.\n";
1002 909 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003 push @exts, $pkg; 910 warn $@;
1004 $ext_pkg{$base} = $pkg; 911 warn "mandatory extension failed to load, exiting.\n";
1005 912 exit 1;
1006# no strict 'refs'; 913 }
1007# @{"$pkg\::ISA"} = ext::; 914 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# } 915 }
1022 916
1023 # remove commands 917 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} 918}
1048 919
1049sub load_extensions { 920sub load_extensions {
1050 for my $ext (<$LIBDIR/*.ext>) { 921 for my $ext (<$LIBDIR/*.ext>) {
1051 next unless -r $ext; 922 next unless -r $ext;
1055 } or warn "$ext not loaded: $@"; 926 } or warn "$ext not loaded: $@";
1056 } 927 }
1057} 928}
1058 929
1059############################################################################# 930#############################################################################
1060# load/save/clean perl data associated with a map
1061
1062*cf::mapsupport::on_clean = sub {
1063 my ($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*", $value };
1090 }
1091 }
1092 },
1093);
1094
1095#############################################################################
1096 931
1097=head2 CORE EXTENSIONS 932=head2 CORE EXTENSIONS
1098 933
1099Functions and methods that extend core crossfire objects. 934Functions and methods that extend core crossfire objects.
1100 935
1136 971
1137sub exists($) { 972sub exists($) {
1138 my ($login) = @_; 973 my ($login) = @_;
1139 974
1140 $cf::PLAYER{$login} 975 $cf::PLAYER{$login}
1141 or cf::sync_job { !aio_stat $login } 976 or cf::sync_job { !aio_stat path $login }
1142} 977}
1143 978
1144sub find($) { 979sub find($) {
1145 return $cf::PLAYER{$_[0]} || do { 980 return $cf::PLAYER{$_[0]} || do {
1146 my $login = $_[0]; 981 my $login = $_[0];
1225 my @logins; 1060 my @logins;
1226 1061
1227 for my $login (@$dirs) { 1062 for my $login (@$dirs) {
1228 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1063 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229 aio_read $fh, 0, 512, my $buf, 0 or next; 1064 aio_read $fh, 0, 512, my $buf, 0 or next;
1230 $buf !~ /^password -------------$/ or next; # official not-valid tag 1065 $buf !~ /^password -------------$/m or next; # official not-valid tag
1231 1066
1232 utf8::decode $login; 1067 utf8::decode $login;
1233 push @logins, $login; 1068 push @logins, $login;
1234 } 1069 }
1235 1070
1236 \@logins 1071 \@logins
1237} 1072}
1238 1073
1239=item $player->maps 1074=item $player->maps
1240 1075
1241Returns an arrayref of cf::path's of all maps that are private for this 1076Returns an arrayref of map paths that are private for this
1242player. May block. 1077player. May block.
1243 1078
1244=cut 1079=cut
1245 1080
1246sub maps($) { 1081sub maps($) {
1252 my @paths; 1087 my @paths;
1253 1088
1254 for (@$files) { 1089 for (@$files) {
1255 utf8::decode $_; 1090 utf8::decode $_;
1256 next if /\.(?:pl|pst)$/; 1091 next if /\.(?:pl|pst)$/;
1257 next unless /^$PATH_SEP/; 1092 next unless /^$PATH_SEP/o;
1258 1093
1259 s/$PATH_SEP/\//g;
1260 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1094 push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
1261 } 1095 }
1262 1096
1263 \@paths 1097 \@paths
1264} 1098}
1265 1099
1291package cf::map; 1125package cf::map;
1292 1126
1293use Fcntl; 1127use Fcntl;
1294use Coro::AIO; 1128use Coro::AIO;
1295 1129
1130use overload
1131 '""' => \&as_string,
1132 fallback => 1;
1133
1296our $MAX_RESET = 3600; 1134our $MAX_RESET = 3600;
1297our $DEFAULT_RESET = 3000; 1135our $DEFAULT_RESET = 3000;
1298 1136
1299sub generate_random_map { 1137sub generate_random_map {
1300 my ($path, $rmp) = @_; 1138 my ($self, $rmp) = @_;
1301
1302 # mit "rum" bekleckern, nicht 1139 # mit "rum" bekleckern, nicht
1303 cf::map::_create_random_map 1140 $self->_create_random_map (
1304 $path,
1305 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1141 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1142 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1143 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308 $rmp->{exit_on_final_map}, 1144 $rmp->{exit_on_final_map},
1309 $rmp->{xsize}, $rmp->{ysize}, 1145 $rmp->{xsize}, $rmp->{ysize},
1310 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1146 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1147 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1148 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1149 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1150 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315 (cf::region::find $rmp->{region}) 1151 (cf::region::find $rmp->{region}), $rmp->{custom}
1152 )
1153}
1154
1155=item cf::map->register ($regex, $prio)
1156
1157Register a handler for the map path matching the given regex at the
1158givne priority (higher is better, built-in handlers have priority 0, the
1159default).
1160
1161=cut
1162
1163sub register {
1164 my (undef, $regex, $prio) = @_;
1165 my $pkg = caller;
1166
1167 no strict;
1168 push @{"$pkg\::ISA"}, __PACKAGE__;
1169
1170 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1171}
1172
1173# also paths starting with '/'
1174$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1175
1176sub thawer_merge {
1177 my ($self, $merge) = @_;
1178
1179 # we have to keep some variables in memory intact
1180 local $self->{path};
1181 local $self->{load_path};
1182 local $self->{deny_save};
1183 local $self->{deny_reset};
1184
1185 $self->SUPER::thawer_merge ($merge);
1186}
1187
1188sub normalise {
1189 my ($path, $base) = @_;
1190
1191 $path = "$path"; # make sure its a string
1192
1193 $path =~ s/\.map$//;
1194
1195 # map plan:
1196 #
1197 # /! non-realised random map exit (special hack!)
1198 # {... are special paths that are not being touched
1199 # ?xxx/... are special absolute paths
1200 # ?random/... random maps
1201 # /... normal maps
1202 # ~user/... per-player map of a specific user
1203
1204 $path =~ s/$PATH_SEP/\//go;
1205
1206 # treat it as relative path if it starts with
1207 # something that looks reasonable
1208 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1209 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1210
1211 $base =~ s{[^/]+/?$}{};
1212 $path = "$base/$path";
1213 }
1214
1215 for ($path) {
1216 redo if s{//}{/};
1217 redo if s{/\.?/}{/};
1218 redo if s{/[^/]+/\.\./}{/};
1219 }
1220
1221 $path
1222}
1223
1224sub new_from_path {
1225 my (undef, $path, $base) = @_;
1226
1227 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1228
1229 $path = normalise $path, $base;
1230
1231 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1232 if ($path =~ $EXT_MAP{$pkg}[1]) {
1233 my $self = bless cf::map::new, $pkg;
1234 $self->{path} = $path; $self->path ($path);
1235 $self->init; # pass $1 etc.
1236 return $self;
1237 }
1238 }
1239
1240 Carp::carp "unable to resolve path '$path' (base '$base').";
1241 ()
1242}
1243
1244sub init {
1245 my ($self) = @_;
1246
1247 $self
1248}
1249
1250sub as_string {
1251 my ($self) = @_;
1252
1253 "$self->{path}"
1254}
1255
1256# the displayed name, this is a one way mapping
1257sub visible_name {
1258 &as_string
1259}
1260
1261# the original (read-only) location
1262sub load_path {
1263 my ($self) = @_;
1264
1265 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1266}
1267
1268# the temporary/swap location
1269sub save_path {
1270 my ($self) = @_;
1271
1272 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1274}
1275
1276# the unique path, undef == no special unique path
1277sub uniq_path {
1278 my ($self) = @_;
1279
1280 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316} 1282}
1317 1283
1318# and all this just because we cannot iterate over 1284# and all this just because we cannot iterate over
1319# all maps in C++... 1285# all maps in C++...
1320sub change_all_map_light { 1286sub change_all_map_light {
1322 1288
1323 $_->change_map_light ($change) 1289 $_->change_map_light ($change)
1324 for grep $_->outdoor, values %cf::MAP; 1290 for grep $_->outdoor, values %cf::MAP;
1325} 1291}
1326 1292
1293sub unlink_save {
1294 my ($self) = @_;
1295
1296 utf8::encode (my $save = $self->save_path);
1297 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300 #d#TODO remove .map and also nuke
1301 $save =~ s/\.map// or return;#d#
1302 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304}
1305
1327sub try_load_header($) { 1306sub load_header_from($) {
1328 my ($path) = @_; 1307 my ($self, $path) = @_;
1329 1308
1330 utf8::encode $path; 1309 utf8::encode $path;
1331 aio_open $path, O_RDONLY, 0 1310 #aio_open $path, O_RDONLY, 0
1311 # or return;
1312
1313 $self->_load_header ($path)
1332 or return; 1314 or return;
1333 1315
1334 my $map = cf::map::new 1316 $self->{load_path} = $path;
1317
1318 1
1319}
1320
1321sub load_header_orig {
1322 my ($self) = @_;
1323
1324 $self->load_header_from ($self->load_path)
1325}
1326
1327sub load_header_temp {
1328 my ($self) = @_;
1329
1330 $self->load_header_from ($self->save_path)
1331}
1332
1333sub prepare_temp {
1334 my ($self) = @_;
1335
1336 $self->last_access ((delete $self->{last_access})
1337 || $cf::RUNTIME); #d#
1338 # safety
1339 $self->{instantiate_time} = $cf::RUNTIME
1340 if $self->{instantiate_time} > $cf::RUNTIME;
1341}
1342
1343sub prepare_orig {
1344 my ($self) = @_;
1345
1346 $self->{load_original} = 1;
1347 $self->{instantiate_time} = $cf::RUNTIME;
1348 $self->last_access ($cf::RUNTIME);
1349 $self->instantiate;
1350}
1351
1352sub load_header {
1353 my ($self) = @_;
1354
1355 if ($self->load_header_temp) {
1356 $self->prepare_temp;
1357 } else {
1358 $self->load_header_orig
1335 or return; 1359 or return;
1360 $self->prepare_orig;
1361 }
1336 1362
1337 # for better error messages only, will be overwritten 1363 1
1338 $map->path ($path);
1339
1340 $map->load_header ($path)
1341 or return;
1342
1343 $map->{load_path} = $path;
1344
1345 $map
1346} 1364}
1347 1365
1348sub find; 1366sub find;
1349sub find { 1367sub find {
1350 my ($path, $origin) = @_; 1368 my ($path, $origin) = @_;
1351 1369
1352 #warn "find<$path,$origin>\n";#d#
1353
1354 $path = new cf::path $path, $origin && $origin->path; 1370 $path = normalise $path, $origin && $origin->path;
1355 my $key = $path->as_string;
1356 1371
1357 cf::lock_wait "map_find:$key"; 1372 cf::lock_wait "map_find:$path";
1358 1373
1359 $cf::MAP{$key} || do { 1374 $cf::MAP{$path} || do {
1360 my $guard = cf::lock_acquire "map_find:$key"; 1375 my $guard = cf::lock_acquire "map_find:$path";
1361 1376 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; 1377 or return;
1381 1378
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; 1379 $map->{last_save} = $cf::RUNTIME;
1394 1380
1395 Coro::cede; 1381 $map->load_header
1382 or return;
1396 1383
1397 if ($map->should_reset) { 1384 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1385 # doing this can freeze the server in a sync job, obviously
1386 #$cf::WAIT_FOR_TICK->wait;
1398 $map->reset; 1387 $map->reset;
1399 undef $guard; 1388 undef $guard;
1400 $map = find $path 1389 return find $path;
1401 or return;
1402 } 1390 }
1403 1391
1404 $cf::MAP{$key} = $map 1392 $cf::MAP{$path} = $map
1405 } 1393 }
1406} 1394}
1395
1396sub pre_load { }
1397sub post_load { }
1407 1398
1408sub load { 1399sub load {
1409 my ($self) = @_; 1400 my ($self) = @_;
1410 1401
1402 local $self->{deny_reset} = 1; # loading can take a long time
1403
1411 my $path = $self->{path}; 1404 my $path = $self->{path};
1412 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1405 my $guard = cf::lock_acquire "map_load:$path";
1413 1406
1414 return if $self->in_memory != cf::MAP_SWAPPED; 1407 return if $self->in_memory != cf::MAP_SWAPPED;
1415 1408
1416 $self->in_memory (cf::MAP_LOADING); 1409 $self->in_memory (cf::MAP_LOADING);
1417 1410
1418 $self->alloc; 1411 $self->alloc;
1412
1413 $self->pre_load;
1414
1419 $self->load_objects ($self->{load_path}, 1) 1415 $self->_load_objects ($self->{load_path}, 1)
1420 or return; 1416 or return;
1421 1417
1422 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1418 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423 if delete $self->{load_original}; 1419 if delete $self->{load_original};
1424 1420
1425 if (my $uniq = $path->uniq_path) { 1421 if (my $uniq = $self->uniq_path) {
1426 utf8::encode $uniq; 1422 utf8::encode $uniq;
1427 if (aio_open $uniq, O_RDONLY, 0) { 1423 if (aio_open $uniq, O_RDONLY, 0) {
1428 $self->clear_unique_items; 1424 $self->clear_unique_items;
1429 $self->load_objects ($uniq, 0); 1425 $self->_load_objects ($uniq, 0);
1430 } 1426 }
1431 } 1427 }
1432 1428
1433 Coro::cede; 1429 Coro::cede;
1434 1430
1435 # now do the right thing for maps 1431 # now do the right thing for maps
1436 $self->link_multipart_objects; 1432 $self->link_multipart_objects;
1437 1433
1438 if ($self->{path}->is_style_map) { 1434 unless ($self->{deny_activate}) {
1439 $self->{deny_save} = 1; 1435 $self->decay_objects;
1440 $self->{deny_reset} = 1;
1441 } else {
1442 $self->fix_auto_apply; 1436 $self->fix_auto_apply;
1443 $self->decay_objects;
1444 $self->update_buttons; 1437 $self->update_buttons;
1438 Coro::cede;
1445 $self->set_darkness_map; 1439 $self->set_darkness_map;
1446 $self->difficulty ($self->estimate_difficulty) 1440 $self->difficulty ($self->estimate_difficulty)
1447 unless $self->difficulty; 1441 unless $self->difficulty;
1442 Coro::cede;
1448 $self->activate; 1443 $self->activate;
1449 } 1444 }
1450 1445
1451 Coro::cede; 1446 $self->post_load;
1452 1447
1453 $self->in_memory (cf::MAP_IN_MEMORY); 1448 $self->in_memory (cf::MAP_IN_MEMORY);
1449}
1450
1451sub customise_for {
1452 my ($self, $ob) = @_;
1453
1454 return find "~" . $ob->name . "/" . $self->{path}
1455 if $self->per_player;
1456
1457 $self
1458}
1459
1460# find and load all maps in the 3x3 area around a map
1461sub load_diag {
1462 my ($map) = @_;
1463
1464 my @diag; # diagonal neighbours
1465
1466 for (0 .. 3) {
1467 my $neigh = $map->tile_path ($_)
1468 or next;
1469 $neigh = find $neigh, $map
1470 or next;
1471 $neigh->load;
1472
1473 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1474 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1475 }
1476
1477 for (@diag) {
1478 my $neigh = find @$_
1479 or next;
1480 $neigh->load;
1481 }
1454} 1482}
1455 1483
1456sub find_sync { 1484sub find_sync {
1457 my ($path, $origin) = @_; 1485 my ($path, $origin) = @_;
1458 1486
1459 cf::sync_job { cf::map::find $path, $origin } 1487 cf::sync_job { find $path, $origin }
1460} 1488}
1461 1489
1462sub do_load_sync { 1490sub do_load_sync {
1463 my ($map) = @_; 1491 my ($map) = @_;
1464 1492
1465 cf::sync_job { $map->load }; 1493 cf::sync_job { $map->load };
1466} 1494}
1467 1495
1496our %MAP_PREFETCH;
1497our $MAP_PREFETCHER = undef;
1498
1499sub find_async {
1500 my ($path, $origin) = @_;
1501
1502 $path = normalise $path, $origin && $origin->{path};
1503
1504 if (my $map = $cf::MAP{$path}) {
1505 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1506 }
1507
1508 undef $MAP_PREFETCH{$path};
1509 $MAP_PREFETCHER ||= cf::async {
1510 while (%MAP_PREFETCH) {
1511 for my $path (keys %MAP_PREFETCH) {
1512 my $map = find $path
1513 or next;
1514 $map->load;
1515
1516 delete $MAP_PREFETCH{$path};
1517 }
1518 }
1519 undef $MAP_PREFETCHER;
1520 };
1521 $MAP_PREFETCHER->prio (6);
1522
1523 ()
1524}
1525
1468sub save { 1526sub save {
1469 my ($self) = @_; 1527 my ($self) = @_;
1470 1528
1471 my $lock = cf::lock_acquire "map_data:" . $self->path; 1529 my $lock = cf::lock_acquire "map_data:" . $self->path;
1472 1530
1473 $self->{last_save} = $cf::RUNTIME; 1531 $self->{last_save} = $cf::RUNTIME;
1474 1532
1475 return unless $self->dirty; 1533 return unless $self->dirty;
1476 1534
1477 my $save = $self->{path}->save_path; utf8::encode $save; 1535 my $save = $self->save_path; utf8::encode $save;
1478 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1536 my $uniq = $self->uniq_path; utf8::encode $uniq;
1479 1537
1480 $self->{load_path} = $save; 1538 $self->{load_path} = $save;
1481 1539
1482 return if $self->{deny_save}; 1540 return if $self->{deny_save};
1483 1541
1486 cf::async { 1544 cf::async {
1487 $_->contr->save for $self->players; 1545 $_->contr->save for $self->players;
1488 }; 1546 };
1489 1547
1490 if ($uniq) { 1548 if ($uniq) {
1491 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1549 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492 $self->save_objects ($uniq, cf::IO_UNIQUES); 1550 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1493 } else { 1551 } else {
1494 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1552 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495 } 1553 }
1496} 1554}
1497 1555
1498sub swap_out { 1556sub swap_out {
1499 my ($self) = @_; 1557 my ($self) = @_;
1513 1571
1514sub reset_at { 1572sub reset_at {
1515 my ($self) = @_; 1573 my ($self) = @_;
1516 1574
1517 # TODO: safety, remove and allow resettable per-player maps 1575 # TODO: safety, remove and allow resettable per-player maps
1518 return 1e99 if $self->{path}{user_rel}; 1576 return 1e99 if $self->isa ("ext::map_per_player");#d#
1519 return 1e99 if $self->{deny_reset}; 1577 return 1e99 if $self->{deny_reset};
1520 1578
1521 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1579 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1580 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523 1581
1528 my ($self) = @_; 1586 my ($self) = @_;
1529 1587
1530 $self->reset_at <= $cf::RUNTIME 1588 $self->reset_at <= $cf::RUNTIME
1531} 1589}
1532 1590
1533sub unlink_save {
1534 my ($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 $self->save;
1552}
1553
1554sub reset { 1591sub reset {
1555 my ($self) = @_; 1592 my ($self) = @_;
1556 1593
1557 my $lock = cf::lock_acquire "map_data:" . $self->path; 1594 my $lock = cf::lock_acquire "map_data:$self->{path}";
1558 1595
1559 return if $self->players; 1596 return if $self->players;
1560 return if $self->{path}{user_rel};#d# 1597 return if $self->isa ("ext::map_per_player");#d#
1561 1598
1562 warn "resetting map ", $self->path;#d# 1599 warn "resetting map ", $self->path;#d#
1563 1600
1564 delete $cf::MAP{$self->path}; 1601 delete $cf::MAP{$self->path};
1602
1603 $self->in_memory (cf::MAP_SWAPPED);
1604 $self->clear;
1565 1605
1566 $_->clear_links_to ($self) for values %cf::MAP; 1606 $_->clear_links_to ($self) for values %cf::MAP;
1567 1607
1568 $self->unlink_save; 1608 $self->unlink_save;
1569 $self->destroy; 1609 $self->destroy;
1572my $nuke_counter = "aaaa"; 1612my $nuke_counter = "aaaa";
1573 1613
1574sub nuke { 1614sub nuke {
1575 my ($self) = @_; 1615 my ($self) = @_;
1576 1616
1617 delete $cf::MAP{$self->path};
1618
1619 $self->unlink_save;
1620
1621 bless $self, "cf::map";
1622 delete $self->{deny_reset};
1577 $self->{deny_save} = 1; 1623 $self->{deny_save} = 1;
1578 $self->reset_timeout (1); 1624 $self->reset_timeout (1);
1579 $self->rename ("{nuke}/" . ($nuke_counter++)); 1625 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626
1627 $cf::MAP{$self->path} = $self;
1628
1580 $self->reset; # polite request, might not happen 1629 $self->reset; # polite request, might not happen
1581} 1630}
1582 1631
1583sub customise_for { 1632=item cf::map::unique_maps
1584 my ($map, $ob) = @_;
1585 1633
1586 if ($map->per_player) { 1634Returns an arrayref of paths of all shared maps that have
1587 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1635instantiated unique items. May block.
1588 }
1589 1636
1590 $map 1637=cut
1591}
1592 1638
1593sub emergency_save { 1639sub unique_maps() {
1594 my $freeze_guard = cf::freeze_mainloop; 1640 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1641 or return;
1595 1642
1596 warn "enter emergency perl save\n"; 1643 my @paths;
1597 1644
1598 cf::sync_job { 1645 for (@$files) {
1599 warn "begin emergency player save\n"; 1646 utf8::decode $_;
1600 $_->save for values %cf::PLAYER; 1647 next if /\.pst$/;
1601 warn "end emergency player save\n"; 1648 next unless /^$PATH_SEP/o;
1602 1649
1603 warn "begin emergency map save\n"; 1650 push @paths, cf::map::normalise $_;
1604 $_->save for values %cf::MAP;
1605 warn "end emergency map save\n";
1606 }; 1651 }
1607 1652
1608 warn "leave emergency perl save\n"; 1653 \@paths
1609} 1654}
1610 1655
1611package cf; 1656package cf;
1612 1657
1613=back 1658=back
1614 1659
1660=head3 cf::object
1661
1662=cut
1663
1664package cf::object;
1665
1666=over 4
1667
1668=item $ob->inv_recursive
1669
1670Returns the inventory of the object _and_ their inventories, recursively.
1671
1672=cut
1673
1674sub inv_recursive_;
1675sub inv_recursive_ {
1676 map { $_, inv_recursive_ $_->inv } @_
1677}
1678
1679sub inv_recursive {
1680 inv_recursive_ inv $_[0]
1681}
1682
1683package cf;
1684
1685=back
1615 1686
1616=head3 cf::object::player 1687=head3 cf::object::player
1617 1688
1618=over 4 1689=over 4
1619 1690
1659 1730
1660=item $player_object->enter_link 1731=item $player_object->enter_link
1661 1732
1662Freezes the player and moves him/her to a special map (C<{link}>). 1733Freezes the player and moves him/her to a special map (C<{link}>).
1663 1734
1664The player should be reaosnably safe there for short amounts of time. You 1735The player should be reasonably safe there for short amounts of time. You
1665I<MUST> call C<leave_link> as soon as possible, though. 1736I<MUST> call C<leave_link> as soon as possible, though.
1666 1737
1738Will never block.
1739
1667=item $player_object->leave_link ($map, $x, $y) 1740=item $player_object->leave_link ($map, $x, $y)
1668 1741
1669Moves the player out of the specila link map onto the given map. If the 1742Moves the player out of the special C<{link}> map onto the specified
1670map is not valid (or omitted), the player will be moved back to the 1743map. If the map is not valid (or omitted), the player will be moved back
1671location he/she was before the call to C<enter_link>, or, if that fails, 1744to the location he/she was before the call to C<enter_link>, or, if that
1672to the emergency map position. 1745fails, to the emergency map position.
1673 1746
1674Might block. 1747Might block.
1675 1748
1676=cut 1749=cut
1750
1751sub link_map {
1752 unless ($LINK_MAP) {
1753 $LINK_MAP = cf::map::find "{link}"
1754 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1755 $LINK_MAP->load;
1756 }
1757
1758 $LINK_MAP
1759}
1677 1760
1678sub cf::object::player::enter_link { 1761sub cf::object::player::enter_link {
1679 my ($self) = @_; 1762 my ($self) = @_;
1680 1763
1681 $self->deactivate_recursive; 1764 $self->deactivate_recursive;
1682 1765
1683 return if $self->map == $LINK_MAP; 1766 return if UNIVERSAL::isa $self->map, "ext::map_link";
1684 1767
1685 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1768 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686 if $self->map; 1769 if $self->map;
1687 1770
1688 $self->enter_map ($LINK_MAP, 20, 20); 1771 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1689} 1772}
1690 1773
1691sub cf::object::player::leave_link { 1774sub cf::object::player::leave_link {
1692 my ($self, $map, $x, $y) = @_; 1775 my ($self, $map, $x, $y) = @_;
1693 1776
1711 # use -1 or undef as default coordinates, not 0, 0 1794 # use -1 or undef as default coordinates, not 0, 0
1712 ($x, $y) = ($map->enter_x, $map->enter_y) 1795 ($x, $y) = ($map->enter_x, $map->enter_y)
1713 if $x <=0 && $y <= 0; 1796 if $x <=0 && $y <= 0;
1714 1797
1715 $map->load; 1798 $map->load;
1799 $map->load_diag;
1716 1800
1717 return unless $self->contr->active; 1801 return unless $self->contr->active;
1718 $self->activate_recursive; 1802 $self->activate_recursive;
1719 $self->enter_map ($map, $x, $y); 1803 $self->enter_map ($map, $x, $y);
1720} 1804}
1756=cut 1840=cut
1757 1841
1758sub cf::object::player::goto { 1842sub cf::object::player::goto {
1759 my ($self, $path, $x, $y) = @_; 1843 my ($self, $path, $x, $y) = @_;
1760 1844
1761 $path = new cf::path $path;
1762 $path ne "/" or Carp::cluck ("oy");#d#
1763
1764 $self->enter_link; 1845 $self->enter_link;
1765 1846
1766 (async { 1847 (async {
1848 my $map = eval {
1767 my $map = cf::map::find $path->as_string; 1849 my $map = cf::map::find $path;
1768 $map = $map->customise_for ($self) if $map; 1850 $map = $map->customise_for ($self) if $map;
1769 1851 $map
1770# warn "entering ", $map->path, " at ($x, $y)\n" 1852 } or
1771# if $map;
1772
1773 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1853 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774 1854
1775 $self->leave_link ($map, $x, $y); 1855 $self->leave_link ($map, $x, $y);
1776 })->prio (1); 1856 })->prio (1);
1777} 1857}
1778 1858
1782 1862
1783sub parse_random_map_params { 1863sub parse_random_map_params {
1784 my ($spec) = @_; 1864 my ($spec) = @_;
1785 1865
1786 my $rmp = { # defaults 1866 my $rmp = { # defaults
1787 xsize => 10, 1867 xsize => (cf::rndm 15, 40),
1788 ysize => 10, 1868 ysize => (cf::rndm 15, 40),
1869 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1870 #layout => string,
1789 }; 1871 };
1790 1872
1791 for (split /\n/, $spec) { 1873 for (split /\n/, $spec) {
1792 my ($k, $v) = split /\s+/, $_, 2; 1874 my ($k, $v) = split /\s+/, $_, 2;
1793 1875
1797 $rmp 1879 $rmp
1798} 1880}
1799 1881
1800sub prepare_random_map { 1882sub prepare_random_map {
1801 my ($exit) = @_; 1883 my ($exit) = @_;
1884
1885 my $guard = cf::lock_acquire "exit_prepare:$exit";
1802 1886
1803 # all this does is basically replace the /! path by 1887 # all this does is basically replace the /! path by
1804 # a new random map path (?random/...) with a seed 1888 # a new random map path (?random/...) with a seed
1805 # that depends on the exit object 1889 # that depends on the exit object
1806 1890
1807 my $rmp = parse_random_map_params $exit->msg; 1891 my $rmp = parse_random_map_params $exit->msg;
1808 1892
1809 if ($exit->map) { 1893 if ($exit->map) {
1810 $rmp->{region} = $exit->map->region_name; 1894 $rmp->{region} = $exit->region->name;
1811 $rmp->{origin_map} = $exit->map->path; 1895 $rmp->{origin_map} = $exit->map->path;
1812 $rmp->{origin_x} = $exit->x; 1896 $rmp->{origin_x} = $exit->x;
1813 $rmp->{origin_y} = $exit->y; 1897 $rmp->{origin_y} = $exit->y;
1814 } 1898 }
1815 1899
1816 $rmp->{random_seed} ||= $exit->random_seed; 1900 $rmp->{random_seed} ||= $exit->random_seed;
1817 1901
1818 my $data = cf::to_json $rmp; 1902 my $data = cf::to_json $rmp;
1819 my $md5 = Digest::MD5::md5_hex $data; 1903 my $md5 = Digest::MD5::md5_hex $data;
1904 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820 1905
1821 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1906 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822 aio_write $fh, 0, (length $data), $data, 0; 1907 aio_write $fh, 0, (length $data), $data, 0;
1908 undef $fh;
1909 aio_rename "$meta~", $meta;
1823 1910
1824 $exit->slaying ("?random/$md5"); 1911 $exit->slaying ("?random/$md5");
1825 $exit->msg (undef); 1912 $exit->msg (undef);
1826 } 1913 }
1827} 1914}
1828 1915
1829sub cf::object::player::enter_exit { 1916sub cf::object::player::enter_exit {
1830 my ($self, $exit) = @_; 1917 my ($self, $exit) = @_;
1831 1918
1832 return unless $self->type == cf::PLAYER; 1919 return unless $self->type == cf::PLAYER;
1920
1921 if ($exit->slaying eq "/!") {
1922 #TODO: this should de-fi-ni-te-ly not be a sync-job
1923 cf::sync_job { prepare_random_map $exit };
1924 }
1925
1926 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927 my $hp = $exit->stats->hp;
1928 my $sp = $exit->stats->sp;
1833 1929
1834 $self->enter_link; 1930 $self->enter_link;
1835 1931
1836 (async { 1932 (async {
1837 $self->deactivate_recursive; # just to be sure 1933 $self->deactivate_recursive; # just to be sure
1838 unless (eval { 1934 unless (eval {
1839 prepare_random_map $exit 1935 $self->goto ($slaying, $hp, $sp);
1840 if $exit->slaying eq "/!";
1841
1842 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844 1936
1845 1; 1937 1;
1846 }) { 1938 }) {
1847 $self->message ("Something went wrong deep within the crossfire server. " 1939 $self->message ("Something went wrong deep within the crossfire server. "
1848 . "I'll try to bring you back to the map you were before. " 1940 . "I'll try to bring you back to the map you were before. "
1849 . "Please report this to the dungeon master", 1941 . "Please report this to the dungeon master!",
1850 cf::NDI_UNIQUE | cf::NDI_RED); 1942 cf::NDI_UNIQUE | cf::NDI_RED);
1851 1943
1852 warn "ERROR in enter_exit: $@"; 1944 warn "ERROR in enter_exit: $@";
1853 $self->leave_link; 1945 $self->leave_link;
1854 } 1946 }
2137 sub db_sync() { 2229 sub db_sync() {
2138 db_save if $dirty; 2230 db_save if $dirty;
2139 undef $dirty; 2231 undef $dirty;
2140 } 2232 }
2141 2233
2142 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2234 my $idle = Event->idle (
2143 db_sync; 2235 reentrant => 0,
2236 min => 10,
2237 max => 20,
2238 repeat => 0,
2239 data => WF_AUTOCANCEL,
2240 cb => \&db_sync,
2144 }); 2241 );
2145 2242
2146 sub db_dirty() { 2243 sub db_dirty() {
2147 $dirty = 1; 2244 $dirty = 1;
2148 $idle->start; 2245 $idle->start;
2149 } 2246 }
2197 2294
2198sub main { 2295sub main {
2199 # we must not ever block the main coroutine 2296 # we must not ever block the main coroutine
2200 local $Coro::idle = sub { 2297 local $Coro::idle = sub {
2201 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2298 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299 (async {
2202 async { Event::one_event }; 2300 Event::one_event;
2301 })->prio (Coro::PRIO_MAX);
2203 }; 2302 };
2204 2303
2205 cfg_load; 2304 cfg_load;
2206 db_load; 2305 db_load;
2207 load_extensions; 2306 load_extensions;
2307
2308 $TICK_WATCHER->start;
2208 Event::loop; 2309 Event::loop;
2209} 2310}
2210 2311
2211############################################################################# 2312#############################################################################
2212# initialisation 2313# initialisation and cleanup
2314
2315# install some emergency cleanup handlers
2316BEGIN {
2317 for my $signal (qw(INT HUP TERM)) {
2318 Event->signal (
2319 reentrant => 0,
2320 data => WF_AUTOCANCEL,
2321 signal => $signal,
2322 prio => 0,
2323 cb => sub {
2324 cf::cleanup "SIG$signal";
2325 },
2326 );
2327 }
2328}
2329
2330sub emergency_save() {
2331 my $freeze_guard = cf::freeze_mainloop;
2332
2333 warn "enter emergency perl save\n";
2334
2335 cf::sync_job {
2336 # use a peculiar iteration method to avoid tripping on perl
2337 # refcount bugs in for. also avoids problems with players
2338 # and maps saved/destroyed asynchronously.
2339 warn "begin emergency player save\n";
2340 for my $login (keys %cf::PLAYER) {
2341 my $pl = $cf::PLAYER{$login} or next;
2342 $pl->valid or next;
2343 $pl->save;
2344 }
2345 warn "end emergency player save\n";
2346
2347 warn "begin emergency map save\n";
2348 for my $path (keys %cf::MAP) {
2349 my $map = $cf::MAP{$path} or next;
2350 $map->valid or next;
2351 $map->save;
2352 }
2353 warn "end emergency map save\n";
2354 };
2355
2356 warn "leave emergency perl save\n";
2357}
2213 2358
2214sub reload() { 2359sub reload() {
2215 # can/must only be called in main 2360 # can/must only be called in main
2216 if ($Coro::current != $Coro::main) { 2361 if ($Coro::current != $Coro::main) {
2217 warn "can only reload from main coroutine\n"; 2362 warn "can only reload from main coroutine";
2218 return; 2363 return;
2219 } 2364 }
2220 2365
2221 warn "reloading..."; 2366 warn "reloading...";
2222 2367
2223 my $guard = freeze_mainloop; 2368 warn "cancelling server ticker";
2369 $TICK_WATCHER->cancel;
2370
2224 cf::emergency_save; 2371 cf::emergency_save;
2225 2372
2226 eval { 2373 eval {
2227 # if anything goes wrong in here, we should simply crash as we already saved 2374 # if anything goes wrong in here, we should simply crash as we already saved
2228 2375
2229 # cancel all watchers 2376 warn "syncing database to disk";
2377 cf::db_sync;
2378
2379 warn "cancelling all WF_AUTOCANCEL watchers";
2230 for (Event::all_watchers) { 2380 for (Event::all_watchers) {
2231 $_->cancel if $_->data & WF_AUTOCANCEL; 2381 $_->cancel if $_->data & WF_AUTOCANCEL;
2232 } 2382 }
2233 2383
2384 warn "flushing outstanding aio requests";
2385 for (;;) {
2386 IO::AIO::flush;
2387 Coro::cede;
2388 last unless IO::AIO::nreqs;
2389 warn "iterate...";
2390 }
2391
2234 # cancel all extension coros 2392 warn "cancelling all extension coros";
2235 $_->cancel for values %EXT_CORO; 2393 $_->cancel for values %EXT_CORO;
2236 %EXT_CORO = (); 2394 %EXT_CORO = ();
2237 2395
2238 # unload all extensions 2396 warn "removing commands";
2239 for (@exts) { 2397 %COMMAND = ();
2398
2399 warn "removing ext commands";
2400 %EXTCMD = ();
2401
2402 warn "unloading/nuking all extensions";
2403 for my $pkg (@EXTS) {
2240 warn "unloading <$_>"; 2404 warn "... unloading $pkg";
2241 unload_extension $_; 2405
2406 if (my $cb = $pkg->can ("unload")) {
2407 eval {
2408 $cb->($pkg);
2409 1
2410 } or warn "$pkg unloaded, but with errors: $@";
2242 } 2411 }
2243 2412
2413 warn "... nuking $pkg";
2414 Symbol::delete_package $pkg;
2415 }
2416
2244 # unload all modules loaded from $LIBDIR 2417 warn "unloading all perl modules loaded from $LIBDIR";
2245 while (my ($k, $v) = each %INC) { 2418 while (my ($k, $v) = each %INC) {
2246 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2419 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247 2420
2248 warn "removing <$k>"; 2421 warn "... unloading $k";
2249 delete $INC{$k}; 2422 delete $INC{$k};
2250 2423
2251 $k =~ s/\.pm$//; 2424 $k =~ s/\.pm$//;
2252 $k =~ s/\//::/g; 2425 $k =~ s/\//::/g;
2253 2426
2256 } 2429 }
2257 2430
2258 Symbol::delete_package $k; 2431 Symbol::delete_package $k;
2259 } 2432 }
2260 2433
2261 # sync database to disk
2262 cf::db_sync;
2263 IO::AIO::flush;
2264
2265 # get rid of safe::, as good as possible 2434 warn "getting rid of safe::, as good as possible";
2266 Symbol::delete_package "safe::$_" 2435 Symbol::delete_package "safe::$_"
2267 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2436 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268 2437
2269 # remove register_script_function callbacks
2270 # TODO
2271
2272 # unload cf.pm "a bit" 2438 warn "unloading cf.pm \"a bit\"";
2273 delete $INC{"cf.pm"}; 2439 delete $INC{"cf.pm"};
2274 2440
2275 # don't, removes xs symbols, too, 2441 # don't, removes xs symbols, too,
2276 # and global variables created in xs 2442 # and global variables created in xs
2277 #Symbol::delete_package __PACKAGE__; 2443 #Symbol::delete_package __PACKAGE__;
2278 2444
2279 # reload cf.pm 2445 warn "unload completed, starting to reload now";
2446
2280 warn "reloading cf.pm"; 2447 warn "reloading cf.pm";
2281 require cf; 2448 require cf;
2282 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2449 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283 2450
2284 # load config and database again 2451 warn "loading config and database again";
2285 cf::cfg_load; 2452 cf::cfg_load;
2286 cf::db_load; 2453 cf::db_load;
2287 2454
2288 # load extensions
2289 warn "load extensions"; 2455 warn "loading extensions";
2290 cf::load_extensions; 2456 cf::load_extensions;
2291 2457
2292 # reattach attachments to objects 2458 warn "reattaching attachments to objects/players";
2293 warn "reattach";
2294 _global_reattach; 2459 _global_reattach;
2460 warn "reattaching attachments to maps";
2295 reattach $_ for values %MAP; 2461 reattach $_ for values %MAP;
2462
2463 warn "restarting server ticker";
2464
2465 $TICK_WATCHER->start;
2296 }; 2466 };
2297 2467
2298 if ($@) { 2468 if ($@) {
2299 warn $@; 2469 warn $@;
2300 warn "error while reloading, exiting."; 2470 warn "error while reloading, exiting.";
2301 exit 1; 2471 exit 1;
2302 } 2472 }
2303 2473
2304 warn "reloaded successfully"; 2474 warn "reloaded";
2305}; 2475};
2306 2476
2307############################################################################# 2477our $RELOAD_WATCHER; # used only during reload
2308
2309unless ($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} = $LINK_MAP;
2348}
2349
2350register "<global>", __PACKAGE__;
2351 2478
2352register_command "reload" => sub { 2479register_command "reload" => sub {
2353 my ($who, $arg) = @_; 2480 my ($who, $arg) = @_;
2354 2481
2355 if ($who->flag (FLAG_WIZ)) { 2482 if ($who->flag (FLAG_WIZ)) {
2356 $who->message ("start of reload."); 2483 $who->message ("reloading server.");
2484
2485 # doing reload synchronously and two reloads happen back-to-back,
2486 # coro crashes during coro_state_free->destroy here.
2487
2488 $RELOAD_WATCHER ||= Event->timer (
2489 reentrant => 0,
2490 after => 0,
2491 data => WF_AUTOCANCEL,
2492 cb => sub {
2357 reload; 2493 reload;
2358 $who->message ("end of reload."); 2494 undef $RELOAD_WATCHER;
2495 },
2496 );
2359 } 2497 }
2360}; 2498};
2361 2499
2362unshift @INC, $LIBDIR; 2500unshift @INC, $LIBDIR;
2501
2502my $bug_warning = 0;
2363 2503
2364$TICK_WATCHER = Event->timer ( 2504$TICK_WATCHER = Event->timer (
2365 reentrant => 0, 2505 reentrant => 0,
2506 parked => 1,
2366 prio => 0, 2507 prio => 0,
2367 at => $NEXT_TICK || $TICK, 2508 at => $NEXT_TICK || $TICK,
2368 data => WF_AUTOCANCEL, 2509 data => WF_AUTOCANCEL,
2369 cb => sub { 2510 cb => sub {
2511 if ($Coro::current != $Coro::main) {
2512 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513 unless ++$bug_warning > 10;
2514 return;
2515 }
2516
2517 $NOW = Event::time;
2518
2370 cf::server_tick; # one server iteration 2519 cf::server_tick; # one server iteration
2371 $RUNTIME += $TICK; 2520 $RUNTIME += $TICK;
2372 $NEXT_TICK += $TICK; 2521 $NEXT_TICK += $TICK;
2522
2523 $WAIT_FOR_TICK->broadcast;
2524 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525
2526 Event::sweep;
2527 Coro::cede_notself;
2528
2529# my $AFTER = Event::time;
2530# warn $AFTER - $NOW;#d#
2373 2531
2374 # if we are delayed by four ticks or more, skip them all 2532 # if we are delayed by four ticks or more, skip them all
2375 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2533 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376 2534
2377 $TICK_WATCHER->at ($NEXT_TICK); 2535 $TICK_WATCHER->at ($NEXT_TICK);
2378 $TICK_WATCHER->start; 2536 $TICK_WATCHER->start;
2379 }, 2537 },
2380); 2538);
2381 2539
2382IO::AIO::max_poll_time $TICK * 0.2; 2540IO::AIO::max_poll_time $TICK * 0.1;
2383 2541
2384Event->io ( 2542undef $Coro::AIO::WATCHER;
2543$AIO_POLL_WATCHER = Event->io (
2544 reentrant => 0,
2385 fd => IO::AIO::poll_fileno, 2545 fd => IO::AIO::poll_fileno,
2386 poll => 'r', 2546 poll => 'r',
2387 prio => 5, 2547 prio => 6,
2388 data => WF_AUTOCANCEL, 2548 data => WF_AUTOCANCEL,
2389 cb => \&IO::AIO::poll_cb, 2549 cb => \&IO::AIO::poll_cb,
2390); 2550);
2391 2551
2392Event->timer ( 2552$WRITE_RUNTIME_WATCHER = Event->timer (
2553 reentrant => 0,
2393 data => WF_AUTOCANCEL, 2554 data => WF_AUTOCANCEL,
2394 after => 0, 2555 after => 1,
2395 interval => 10, 2556 interval => 10,
2396 cb => sub { 2557 prio => 6, # keep it lowest so it acts like a watchdog
2397 (Coro::unblock_sub { 2558 cb => Coro::unblock_sub {
2398 write_runtime 2559 write_runtime
2399 or warn "ERROR: unable to write runtime file: $!"; 2560 or warn "ERROR: unable to write runtime file: $!";
2400 })->();
2401 }, 2561 },
2402); 2562);
2403 2563
2404END { cf::emergency_save } 2564END { cf::emergency_save }
2405 2565

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