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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC vs.
Revision 1.223 by root, Sun Mar 11 02:12:44 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;
19 19
20use BDB ();
21use Data::Dumper;
20use Digest::MD5; 22use Digest::MD5;
21use Fcntl; 23use Fcntl;
22use IO::AIO 2.32 (); 24use IO::AIO 2.32 ();
23use YAML::Syck (); 25use YAML::Syck ();
24use Time::HiRes; 26use Time::HiRes;
27use Compress::LZF;
28
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25 30
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 31use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27 34
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 36$YAML::Syck::ImplicitUnicode = 1;
30 37
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 39
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35our %COMMAND = (); 40our %COMMAND = ();
36our %COMMAND_TIME = (); 41our %COMMAND_TIME = ();
42
43our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 44our %EXTCMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps
38 47
48our $RELOAD; # number of reloads so far
39our @EVENT; 49our @EVENT;
40our $LIBDIR = datadir . "/ext"; 50our $LIBDIR = datadir . "/ext";
41 51
42our $TICK = MAX_TIME * 1e-6; 52our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 53our $TICK_WATCHER;
54our $AIO_POLL_WATCHER;
55our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 56our $NEXT_TICK;
45our $NOW; 57our $NOW;
58our $USE_FSYNC = 1; # use fsync to write maps - default off
59
60our $BDB_POLL_WATCHER;
61our $DB_ENV;
46 62
47our %CFG; 63our %CFG;
48 64
49our $UPTIME; $UPTIME ||= time; 65our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 66our $RUNTIME;
51 67
52our %PLAYER; # all users 68our %PLAYER; # all users
53our %MAP; # all maps 69our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 70our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 71our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; # coroutines bound to extensions 72our $BDB_ENV_DIR = cf::localdir . "/db";
73
74our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76
77# used to convert map paths into valid unix filenames by replacing / by ∕
78our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 79
58binmode STDOUT; 80binmode STDOUT;
59binmode STDERR; 81binmode STDERR;
60 82
61# read virtual server time, if available 83# read virtual server time, if available
68mkdir cf::localdir; 90mkdir cf::localdir;
69mkdir cf::localdir . "/" . cf::playerdir; 91mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 92mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 93mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 94mkdir $RANDOM_MAPS;
95mkdir $BDB_ENV_DIR;
73 96
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 97our $EMERGENCY_POSITION;
98
99sub cf::map::normalise;
77 100
78############################################################################# 101#############################################################################
79 102
80=head2 GLOBAL VARIABLES 103=head2 GLOBAL VARIABLES
81 104
105 128
106=item %cf::CFG 129=item %cf::CFG
107 130
108Configuration for the server, loaded from C</etc/crossfire/config>, or 131Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 132from wherever your confdir points to.
133
134=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
135
136These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
137or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
138processing has been done. Call C<< ->wait >> on them to maximise the
139window of cpu time available, or simply to synchronise to the server tick.
110 140
111=back 141=back
112 142
113=cut 143=cut
114 144
146 176
147$Event::DIED = sub { 177$Event::DIED = sub {
148 warn "error in event callback: @_"; 178 warn "error in event callback: @_";
149}; 179};
150 180
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 181=head2 UTILITY FUNCTIONS
156 182
157=over 4 183=over 4
158 184
185=item dumpval $ref
186
159=cut 187=cut
188
189sub dumpval {
190 eval {
191 local $SIG{__DIE__};
192 my $d;
193 if (1) {
194 $d = new Data::Dumper([$_[0]], ["*var"]);
195 $d->Terse(1);
196 $d->Indent(2);
197 $d->Quotekeys(0);
198 $d->Useqq(1);
199 #$d->Bless(...);
200 $d->Seen($_[1]) if @_ > 1;
201 $d = $d->Dump();
202 }
203 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204 $d
205 } || "[unable to dump $_[0]: '$@']";
206}
160 207
161use JSON::Syck (); # TODO# replace by JSON::PC once working 208use JSON::Syck (); # TODO# replace by JSON::PC once working
162 209
163=item $ref = cf::from_json $json 210=item $ref = cf::from_json $json
164 211
225} 272}
226 273
227sub freeze_mainloop { 274sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 275 return unless $TICK_WATCHER->is_active;
229 276
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 277 my $guard = Coro::guard {
278 $TICK_WATCHER->start;
279 };
231 $TICK_WATCHER->stop; 280 $TICK_WATCHER->stop;
232 $guard 281 $guard
233} 282}
234 283
235=item cf::async { BLOCK } 284=item cf::async { BLOCK }
287 } 336 }
288} 337}
289 338
290=item $coro = cf::async_ext { BLOCK } 339=item $coro = cf::async_ext { BLOCK }
291 340
292Like async, but this coro is automcatially being canceled when the 341Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 342extension calling this is being unloaded.
294 343
295=cut 344=cut
296 345
297sub async_ext(&) { 346sub async_ext(&) {
306 355
307 $coro 356 $coro
308} 357}
309 358
310sub write_runtime { 359sub write_runtime {
360 my $guard = cf::lock_acquire "write_runtime";
361
311 my $runtime = cf::localdir . "/runtime"; 362 my $runtime = cf::localdir . "/runtime";
312 363
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 364 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314 or return; 365 or return;
315 366
367 my $value = $cf::RUNTIME + 90 + 10;
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 368 # 10 is the runtime save interval, for a monotonic clock
369 # 60 allows for the watchdog to kill the server.
370
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0 371 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return; 372 and return;
319 373
374 # always fsync - this file is important
320 aio_fsync $fh 375 aio_fsync $fh
321 and return; 376 and return;
322 377
323 close $fh 378 close $fh
324 or return; 379 or return;
330} 385}
331 386
332=back 387=back
333 388
334=cut 389=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($class, $path, $base) = @_;
342
343 $path = $path->as_string if ref $path;
344
345 my $self = bless { }, $class;
346
347 # {... are special paths that are not touched
348 # ?xxx/... are special absolute paths
349 # ?random/... random maps
350 # /! non-realised random map exit
351 # /... normal maps
352 # ~/... per-player maps without a specific player (DO NOT USE)
353 # ~user/... per-player map of a specific user
354
355 if ($path =~ /^{/) {
356 # fine as it is
357 } elsif ($path =~ s{^\?random/}{}) {
358 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359 $self->{random} = cf::from_json $data;
360 } else {
361 if ($path =~ s{^~([^/]+)?}{}) {
362 $self->{user_rel} = 1;
363
364 if (defined $1) {
365 $self->{user} = $1;
366 } elsif ($base =~ m{^~([^/]+)/}) {
367 $self->{user} = $1;
368 } else {
369 warn "cannot resolve user-relative path without user <$path,$base>\n";
370 }
371 } elsif ($path =~ /^\//) {
372 # already absolute
373 } else {
374 $base =~ s{[^/]+/?$}{};
375 return $class->new ("$base/$path");
376 }
377
378 for ($path) {
379 redo if s{/\.?/}{/};
380 redo if s{/[^/]+/\.\./}{/};
381 }
382 }
383
384 $self->{path} = $path;
385
386 $self
387}
388
389# the name / primary key / in-game path
390sub as_string {
391 my ($self) = @_;
392
393 $self->{user_rel} ? "~$self->{user}$self->{path}"
394 : $self->{random} ? "?random/$self->{path}"
395 : $self->{path}
396}
397
398# the displayed name, this is a one way mapping
399sub visible_name {
400 my ($self) = @_;
401
402# if (my $rmp = $self->{random}) {
403# # todo: be more intelligent about this
404# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405# } else {
406 $self->as_string
407# }
408}
409
410# escape the /'s in the path
411sub _escaped_path {
412 # ∕ is U+2215
413 (my $path = $_[0]{path}) =~ s/\//∕/g;
414 $path
415}
416
417# the original (read-only) location
418sub load_path {
419 my ($self) = @_;
420
421 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422}
423
424# the temporary/swap location
425sub save_path {
426 my ($self) = @_;
427
428 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431}
432
433# the unique path, might be eq to save_path
434sub uniq_path {
435 my ($self) = @_;
436
437 $self->{user_rel} || $self->{random}
438 ? undef
439 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440}
441
442# return random map parameters, or undef
443sub random_map_params {
444 my ($self) = @_;
445
446 $self->{random}
447}
448
449# this is somewhat ugly, but style maps do need special treatment
450sub is_style_map {
451 $_[0]{path} =~ m{^/styles/}
452}
453
454package cf;
455 390
456############################################################################# 391#############################################################################
457 392
458=head2 ATTACHABLE OBJECTS 393=head2 ATTACHABLE OBJECTS
459 394
585our @CB_TYPE = (); # registry for type (cf-object class) based events 520our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 521our @CB_MAP = ();
587 522
588my %attachment; 523my %attachment;
589 524
525sub cf::attachable::thawer_merge {
526 # simply override everything except _meta
527 local $_[0]{_meta};
528 %{$_[0]} = %{$_[1]};
529}
530
590sub _attach_cb($$$$) { 531sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 532 my ($registry, $event, $prio, $cb) = @_;
592 533
593 use sort 'stable'; 534 use sort 'stable';
594 535
765# object support 706# object support
766 707
767sub reattach { 708sub reattach {
768 # basically do the same as instantiate, without calling instantiate 709 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 710 my ($obj) = @_;
711
712 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 713
771 my $registry = $obj->registry; 714 my $registry = $obj->registry;
772 715
773 @$registry = (); 716 @$registry = ();
774 717
821 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
822 765
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
827 close $fh; 770 close $fh;
828 771
829 if (@$objs) { 772 if (@$objs) {
830 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 773 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
834 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
835 close $fh; 778 close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
837 } 780 }
838 } else { 781 } else {
839 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
906=cut 849=cut
907 850
908sub register_extcmd { 851sub register_extcmd {
909 my ($name, $cb) = @_; 852 my ($name, $cb) = @_;
910 853
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 854 $EXTCMD{$name} = $cb;
915} 855}
916 856
917cf::player->attach ( 857cf::player->attach (
918 on_command => sub { 858 on_command => sub {
919 my ($pl, $name, $params) = @_; 859 my ($pl, $name, $params) = @_;
932 872
933 my $msg = eval { from_json $buf }; 873 my $msg = eval { from_json $buf };
934 874
935 if (ref $msg) { 875 if (ref $msg) {
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 876 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 877 if (my %reply = $cb->($pl, $msg)) {
938 $pl->ext_reply ($msg->{msgid}, %reply); 878 $pl->ext_reply ($msg->{msgid}, %reply);
939 } 879 }
940 } 880 }
941 } else { 881 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
944 884
945 cf::override; 885 cf::override;
946 }, 886 },
947); 887);
948 888
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 889sub load_extension {
956 my ($path) = @_; 890 my ($path) = @_;
957 891
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1; 893 my $base = $1;
960 my $pkg = $1; 894 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g; 895 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg"; 896 $pkg = "ext::$pkg";
963 897
964 warn "loading '$path' into '$pkg'\n"; 898 warn "... loading '$path' into '$pkg'\n";
965 899
966 open my $fh, "<:utf8", $path 900 open my $fh, "<:utf8", $path
967 or die "$path: $!"; 901 or die "$path: $!";
968 902
969 my $source = 903 my $source =
970 "package $pkg; use strict; use utf8;\n" 904 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n" 905 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> }) 906 . (do { local $/; <$fh> })
973 . "\n};\n1"; 907 . "\n};\n1";
974 908
975 eval $source 909 unless (eval $source) {
976 or die $@ ? "$path: $@\n" 910 my $msg = $@ ? "$path: $@\n"
977 : "extension disabled.\n"; 911 : "extension disabled.\n";
978 912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979 push @exts, $pkg; 913 warn $@;
980 $ext_pkg{$base} = $pkg; 914 warn "mandatory extension failed to load, exiting.\n";
981 915 exit 1;
982# no strict 'refs'; 916 }
983# @{"$pkg\::ISA"} = ext::; 917 die $@;
984
985 register $base, $pkg;
986}
987
988sub unload_extension {
989 my ($pkg) = @_;
990
991 warn "removing extension $pkg\n";
992
993 # remove hooks
994 #TODO
995# for my $idx (0 .. $#PLUGIN_EVENT) {
996# delete $hook[$idx]{$pkg};
997# } 918 }
998 919
999 # remove commands 920 push @EXTS, $pkg;
1000 for my $name (keys %COMMAND) {
1001 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003 if (@cb) {
1004 $COMMAND{$name} = \@cb;
1005 } else {
1006 delete $COMMAND{$name};
1007 }
1008 }
1009
1010 # remove extcmds
1011 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012 delete $EXTCMD{$name};
1013 }
1014
1015 if (my $cb = $pkg->can ("unload")) {
1016 eval {
1017 $cb->($pkg);
1018 1
1019 } or warn "$pkg unloaded, but with errors: $@";
1020 }
1021
1022 Symbol::delete_package $pkg;
1023} 921}
1024 922
1025sub load_extensions { 923sub load_extensions {
1026 for my $ext (<$LIBDIR/*.ext>) { 924 for my $ext (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 925 next unless -r $ext;
1031 } or warn "$ext not loaded: $@"; 929 } or warn "$ext not loaded: $@";
1032 } 930 }
1033} 931}
1034 932
1035############################################################################# 933#############################################################################
1036# load/save/clean perl data associated with a map
1037
1038*cf::mapsupport::on_clean = sub {
1039 my ($map) = @_;
1040
1041 my $path = $map->tmpname;
1042 defined $path or return;
1043
1044 unlink "$path.pst";
1045};
1046
1047cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049#############################################################################
1050# load/save perl data associated with player->ob objects
1051
1052sub all_objects(@) {
1053 @_, map all_objects ($_->inv), @_
1054}
1055
1056# TODO: compatibility cruft, remove when no longer needed
1057cf::player->attach (
1058 on_load => sub {
1059 my ($pl, $path) = @_;
1060
1061 for my $o (all_objects $pl->ob) {
1062 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063 $o->set_ob_key_value ("_perl_data");
1064
1065 %$o = %{ Storable::thaw pack "H*", $value };
1066 }
1067 }
1068 },
1069);
1070
1071#############################################################################
1072 934
1073=head2 CORE EXTENSIONS 935=head2 CORE EXTENSIONS
1074 936
1075Functions and methods that extend core crossfire objects. 937Functions and methods that extend core crossfire objects.
1076 938
1077=cut 939=cut
1078 940
1079package cf::player; 941package cf::player;
942
943use Coro::AIO;
1080 944
1081=head3 cf::player 945=head3 cf::player
1082 946
1083=over 4 947=over 4
1084 948
1110 974
1111sub exists($) { 975sub exists($) {
1112 my ($login) = @_; 976 my ($login) = @_;
1113 977
1114 $cf::PLAYER{$login} 978 $cf::PLAYER{$login}
1115 or cf::sync_job { !aio_stat $login } 979 or cf::sync_job { !aio_stat path $login }
1116} 980}
1117 981
1118sub find($) { 982sub find($) {
1119 return $cf::PLAYER{$_[0]} || do { 983 return $cf::PLAYER{$_[0]} || do {
1120 my $login = $_[0]; 984 my $login = $_[0];
1121 985
1122 my $guard = cf::lock_acquire "user_find:$login"; 986 my $guard = cf::lock_acquire "user_find:$login";
1123 987
1124 $cf::PLAYER{$login} ||= (load_pl path $login or return); 988 $cf::PLAYER{$_[0]} || do {
989 my $pl = load_pl path $login
990 or return;
991 $cf::PLAYER{$login} = $pl
992 }
1125 }; 993 }
1126} 994}
1127 995
1128sub save($) { 996sub save($) {
1129 my ($pl) = @_; 997 my ($pl) = @_;
1130 998
1133 my $path = path $pl; 1001 my $path = path $pl;
1134 my $guard = cf::lock_acquire "user_save:$path"; 1002 my $guard = cf::lock_acquire "user_save:$path";
1135 1003
1136 return if $pl->{deny_save}; 1004 return if $pl->{deny_save};
1137 1005
1138 Coro::AIO::aio_mkdir playerdir $pl, 0770; 1006 aio_mkdir playerdir $pl, 0770;
1139 $pl->{last_save} = $cf::RUNTIME; 1007 $pl->{last_save} = $cf::RUNTIME;
1140 1008
1141 $pl->save_pl ($path); 1009 $pl->save_pl ($path);
1142 Coro::cede; 1010 Coro::cede;
1143} 1011}
1153 $cf::PLAYER{$login} = $self; 1021 $cf::PLAYER{$login} = $self;
1154 1022
1155 $self 1023 $self
1156} 1024}
1157 1025
1026=item $pl->quit_character
1027
1028Nukes the player without looking back. If logged in, the connection will
1029be destroyed. May block for a long time.
1030
1031=cut
1032
1158sub quit_character { 1033sub quit_character {
1159 my ($pl) = @_; 1034 my ($pl) = @_;
1035
1036 my $name = $pl->ob->name;
1160 1037
1161 $pl->{deny_save} = 1; 1038 $pl->{deny_save} = 1;
1162 $pl->password ("*"); # this should lock out the player until we nuked the dir 1039 $pl->password ("*"); # this should lock out the player until we nuked the dir
1163 1040
1164 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1041 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1166 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1043 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1167 $pl->ns->destroy if $pl->ns; 1044 $pl->ns->destroy if $pl->ns;
1168 1045
1169 my $path = playerdir $pl; 1046 my $path = playerdir $pl;
1170 my $temp = "$path~$cf::RUNTIME~deleting~"; 1047 my $temp = "$path~$cf::RUNTIME~deleting~";
1171 Coro::AIO::aio_rename $path, $temp; 1048 aio_rename $path, $temp;
1172 delete $cf::PLAYER{$pl->ob->name}; 1049 delete $cf::PLAYER{$pl->ob->name};
1173 $pl->destroy; 1050 $pl->destroy;
1051
1052 my $prefix = qr<^~\Q$name\E/>;
1053
1054 # nuke player maps
1055 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1056
1174 IO::AIO::aio_rmtree $temp; 1057 IO::AIO::aio_rmtree $temp;
1058}
1059
1060=item $pl->kick
1061
1062Kicks a player out of the game. This destroys the connection.
1063
1064=cut
1065
1066sub kick {
1067 my ($pl, $kicker) = @_;
1068
1069 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1070 $pl->killer ("kicked");
1071 $pl->ns->destroy;
1072}
1073
1074=item cf::player::list_logins
1075
1076Returns am arrayref of all valid playernames in the system, can take a
1077while and may block, so not sync_job-capable, ever.
1078
1079=cut
1080
1081sub list_logins {
1082 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1083 or return [];
1084
1085 my @logins;
1086
1087 for my $login (@$dirs) {
1088 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1089 aio_read $fh, 0, 512, my $buf, 0 or next;
1090 $buf !~ /^password -------------$/m or next; # official not-valid tag
1091
1092 utf8::decode $login;
1093 push @logins, $login;
1094 }
1095
1096 \@logins
1097}
1098
1099=item $player->maps
1100
1101Returns an arrayref of map paths that are private for this
1102player. May block.
1103
1104=cut
1105
1106sub maps($) {
1107 my ($pl) = @_;
1108
1109 $pl = ref $pl ? $pl->ob->name : $pl;
1110
1111 my $files = aio_readdir playerdir $pl
1112 or return;
1113
1114 my @paths;
1115
1116 for (@$files) {
1117 utf8::decode $_;
1118 next if /\.(?:pl|pst)$/;
1119 next unless /^$PATH_SEP/o;
1120
1121 push @paths, cf::map::normalise "~$pl/$_";
1122 }
1123
1124 \@paths
1175} 1125}
1176 1126
1177=item $player->ext_reply ($msgid, $msgtype, %msg) 1127=item $player->ext_reply ($msgid, $msgtype, %msg)
1178 1128
1179Sends an ext reply to the player. 1129Sends an ext reply to the player.
1202package cf::map; 1152package cf::map;
1203 1153
1204use Fcntl; 1154use Fcntl;
1205use Coro::AIO; 1155use Coro::AIO;
1206 1156
1157use overload
1158 '""' => \&as_string,
1159 fallback => 1;
1160
1207our $MAX_RESET = 3600; 1161our $MAX_RESET = 3600;
1208our $DEFAULT_RESET = 3000; 1162our $DEFAULT_RESET = 3000;
1209 1163
1210sub generate_random_map { 1164sub generate_random_map {
1211 my ($path, $rmp) = @_; 1165 my ($self, $rmp) = @_;
1212
1213 # mit "rum" bekleckern, nicht 1166 # mit "rum" bekleckern, nicht
1214 cf::map::_create_random_map 1167 $self->_create_random_map (
1215 $path,
1216 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1168 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1169 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1218 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1170 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219 $rmp->{exit_on_final_map}, 1171 $rmp->{exit_on_final_map},
1220 $rmp->{xsize}, $rmp->{ysize}, 1172 $rmp->{xsize}, $rmp->{ysize},
1221 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1173 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1174 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1175 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1176 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1225 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1177 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226 (cf::region::find $rmp->{region}) 1178 (cf::region::find $rmp->{region}), $rmp->{custom}
1179 )
1180}
1181
1182=item cf::map->register ($regex, $prio)
1183
1184Register a handler for the map path matching the given regex at the
1185givne priority (higher is better, built-in handlers have priority 0, the
1186default).
1187
1188=cut
1189
1190sub register {
1191 my (undef, $regex, $prio) = @_;
1192 my $pkg = caller;
1193
1194 no strict;
1195 push @{"$pkg\::ISA"}, __PACKAGE__;
1196
1197 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1198}
1199
1200# also paths starting with '/'
1201$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1202
1203sub thawer_merge {
1204 my ($self, $merge) = @_;
1205
1206 # we have to keep some variables in memory intact
1207 local $self->{path};
1208 local $self->{load_path};
1209 local $self->{deny_save};
1210 local $self->{deny_reset};
1211
1212 $self->SUPER::thawer_merge ($merge);
1213}
1214
1215sub normalise {
1216 my ($path, $base) = @_;
1217
1218 $path = "$path"; # make sure its a string
1219
1220 $path =~ s/\.map$//;
1221
1222 # map plan:
1223 #
1224 # /! non-realised random map exit (special hack!)
1225 # {... are special paths that are not being touched
1226 # ?xxx/... are special absolute paths
1227 # ?random/... random maps
1228 # /... normal maps
1229 # ~user/... per-player map of a specific user
1230
1231 $path =~ s/$PATH_SEP/\//go;
1232
1233 # treat it as relative path if it starts with
1234 # something that looks reasonable
1235 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1236 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1237
1238 $base =~ s{[^/]+/?$}{};
1239 $path = "$base/$path";
1240 }
1241
1242 for ($path) {
1243 redo if s{//}{/};
1244 redo if s{/\.?/}{/};
1245 redo if s{/[^/]+/\.\./}{/};
1246 }
1247
1248 $path
1249}
1250
1251sub new_from_path {
1252 my (undef, $path, $base) = @_;
1253
1254 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1255
1256 $path = normalise $path, $base;
1257
1258 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1259 if ($path =~ $EXT_MAP{$pkg}[1]) {
1260 my $self = bless cf::map::new, $pkg;
1261 $self->{path} = $path; $self->path ($path);
1262 $self->init; # pass $1 etc.
1263 return $self;
1264 }
1265 }
1266
1267 Carp::carp "unable to resolve path '$path' (base '$base').";
1268 ()
1269}
1270
1271sub init {
1272 my ($self) = @_;
1273
1274 $self
1275}
1276
1277sub as_string {
1278 my ($self) = @_;
1279
1280 "$self->{path}"
1281}
1282
1283# the displayed name, this is a one way mapping
1284sub visible_name {
1285 &as_string
1286}
1287
1288# the original (read-only) location
1289sub load_path {
1290 my ($self) = @_;
1291
1292 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1293}
1294
1295# the temporary/swap location
1296sub save_path {
1297 my ($self) = @_;
1298
1299 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1301}
1302
1303# the unique path, undef == no special unique path
1304sub uniq_path {
1305 my ($self) = @_;
1306
1307 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1227} 1309}
1228 1310
1229# and all this just because we cannot iterate over 1311# and all this just because we cannot iterate over
1230# all maps in C++... 1312# all maps in C++...
1231sub change_all_map_light { 1313sub change_all_map_light {
1233 1315
1234 $_->change_map_light ($change) 1316 $_->change_map_light ($change)
1235 for grep $_->outdoor, values %cf::MAP; 1317 for grep $_->outdoor, values %cf::MAP;
1236} 1318}
1237 1319
1320sub unlink_save {
1321 my ($self) = @_;
1322
1323 utf8::encode (my $save = $self->save_path);
1324 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1325 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1326}
1327
1238sub try_load_header($) { 1328sub load_header_from($) {
1239 my ($path) = @_; 1329 my ($self, $path) = @_;
1240 1330
1241 utf8::encode $path; 1331 utf8::encode $path;
1242 aio_open $path, O_RDONLY, 0 1332 #aio_open $path, O_RDONLY, 0
1333 # or return;
1334
1335 $self->_load_header ($path)
1243 or return; 1336 or return;
1244 1337
1245 my $map = cf::map::new 1338 $self->{load_path} = $path;
1339
1340 1
1341}
1342
1343sub load_header_orig {
1344 my ($self) = @_;
1345
1346 $self->load_header_from ($self->load_path)
1347}
1348
1349sub load_header_temp {
1350 my ($self) = @_;
1351
1352 $self->load_header_from ($self->save_path)
1353}
1354
1355sub prepare_temp {
1356 my ($self) = @_;
1357
1358 $self->last_access ((delete $self->{last_access})
1359 || $cf::RUNTIME); #d#
1360 # safety
1361 $self->{instantiate_time} = $cf::RUNTIME
1362 if $self->{instantiate_time} > $cf::RUNTIME;
1363}
1364
1365sub prepare_orig {
1366 my ($self) = @_;
1367
1368 $self->{load_original} = 1;
1369 $self->{instantiate_time} = $cf::RUNTIME;
1370 $self->last_access ($cf::RUNTIME);
1371 $self->instantiate;
1372}
1373
1374sub load_header {
1375 my ($self) = @_;
1376
1377 if ($self->load_header_temp) {
1378 $self->prepare_temp;
1379 } else {
1380 $self->load_header_orig
1246 or return; 1381 or return;
1382 $self->prepare_orig;
1383 }
1247 1384
1248 # for better error messages only, will be overwritten 1385 1
1249 $map->path ($path);
1250
1251 $map->load_header ($path)
1252 or return;
1253
1254 $map->{load_path} = $path;
1255
1256 $map
1257} 1386}
1258 1387
1259sub find; 1388sub find;
1260sub find { 1389sub find {
1261 my ($path, $origin) = @_; 1390 my ($path, $origin) = @_;
1262 1391
1263 #warn "find<$path,$origin>\n";#d#
1264
1265 $path = new cf::path $path, $origin && $origin->path; 1392 $path = normalise $path, $origin && $origin->path;
1266 my $key = $path->as_string;
1267 1393
1268 cf::lock_wait "map_find:$key"; 1394 cf::lock_wait "map_find:$path";
1269 1395
1270 $cf::MAP{$key} || do { 1396 $cf::MAP{$path} || do {
1271 my $guard = cf::lock_acquire "map_find:$key"; 1397 my $guard = cf::lock_acquire "map_find:$path";
1272 1398 my $map = new_from_path cf::map $path
1273 # do it the slow way
1274 my $map = try_load_header $path->save_path;
1275
1276 Coro::cede;
1277
1278 if ($map) {
1279 $map->last_access ((delete $map->{last_access})
1280 || $cf::RUNTIME); #d#
1281 # safety
1282 $map->{instantiate_time} = $cf::RUNTIME
1283 if $map->{instantiate_time} > $cf::RUNTIME;
1284 } else {
1285 if (my $rmp = $path->random_map_params) {
1286 $map = generate_random_map $key, $rmp;
1287 } else {
1288 $map = try_load_header $path->load_path;
1289 }
1290
1291 $map or return; 1399 or return;
1292 1400
1293 $map->{load_original} = 1;
1294 $map->{instantiate_time} = $cf::RUNTIME;
1295 $map->last_access ($cf::RUNTIME);
1296 $map->instantiate;
1297
1298 # per-player maps become, after loading, normal maps
1299 $map->per_player (0) if $path->{user_rel};
1300 }
1301
1302 $map->path ($key);
1303 $map->{path} = $path;
1304 $map->{last_save} = $cf::RUNTIME; 1401 $map->{last_save} = $cf::RUNTIME;
1305 1402
1306 Coro::cede; 1403 $map->load_header
1404 or return;
1307 1405
1308 if ($map->should_reset) { 1406 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1407 # doing this can freeze the server in a sync job, obviously
1408 #$cf::WAIT_FOR_TICK->wait;
1309 $map->reset; 1409 $map->reset;
1310 undef $guard; 1410 undef $guard;
1311 $map = find $path 1411 return find $path;
1312 or return;
1313 } 1412 }
1314 1413
1315 $cf::MAP{$key} = $map 1414 $cf::MAP{$path} = $map
1316 } 1415 }
1317} 1416}
1417
1418sub pre_load { }
1419sub post_load { }
1318 1420
1319sub load { 1421sub load {
1320 my ($self) = @_; 1422 my ($self) = @_;
1321 1423
1424 local $self->{deny_reset} = 1; # loading can take a long time
1425
1322 my $path = $self->{path}; 1426 my $path = $self->{path};
1323 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1427 my $guard = cf::lock_acquire "map_load:$path";
1324 1428
1325 return if $self->in_memory != cf::MAP_SWAPPED; 1429 return if $self->in_memory != cf::MAP_SWAPPED;
1326 1430
1327 $self->in_memory (cf::MAP_LOADING); 1431 $self->in_memory (cf::MAP_LOADING);
1328 1432
1329 $self->alloc; 1433 $self->alloc;
1434
1435 $self->pre_load;
1436
1330 $self->load_objects ($self->{load_path}, 1) 1437 $self->_load_objects ($self->{load_path}, 1)
1331 or return; 1438 or return;
1332 1439
1333 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1440 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1334 if delete $self->{load_original}; 1441 if delete $self->{load_original};
1335 1442
1336 if (my $uniq = $path->uniq_path) { 1443 if (my $uniq = $self->uniq_path) {
1337 utf8::encode $uniq; 1444 utf8::encode $uniq;
1338 if (aio_open $uniq, O_RDONLY, 0) { 1445 if (aio_open $uniq, O_RDONLY, 0) {
1339 $self->clear_unique_items; 1446 $self->clear_unique_items;
1340 $self->load_objects ($uniq, 0); 1447 $self->_load_objects ($uniq, 0);
1341 } 1448 }
1342 } 1449 }
1343 1450
1344 Coro::cede; 1451 Coro::cede;
1345 1452
1346 # now do the right thing for maps 1453 # now do the right thing for maps
1347 $self->link_multipart_objects; 1454 $self->link_multipart_objects;
1348 1455
1349 if ($self->{path}->is_style_map) { 1456 unless ($self->{deny_activate}) {
1350 $self->{deny_save} = 1; 1457 $self->decay_objects;
1351 $self->{deny_reset} = 1;
1352 } else {
1353 $self->fix_auto_apply; 1458 $self->fix_auto_apply;
1354 $self->decay_objects;
1355 $self->update_buttons; 1459 $self->update_buttons;
1460 Coro::cede;
1356 $self->set_darkness_map; 1461 $self->set_darkness_map;
1357 $self->difficulty ($self->estimate_difficulty) 1462 $self->difficulty ($self->estimate_difficulty)
1358 unless $self->difficulty; 1463 unless $self->difficulty;
1464 Coro::cede;
1359 $self->activate; 1465 $self->activate;
1360 } 1466 }
1361 1467
1362 Coro::cede; 1468 $self->post_load;
1363 1469
1364 $self->in_memory (cf::MAP_IN_MEMORY); 1470 $self->in_memory (cf::MAP_IN_MEMORY);
1471}
1472
1473sub customise_for {
1474 my ($self, $ob) = @_;
1475
1476 return find "~" . $ob->name . "/" . $self->{path}
1477 if $self->per_player;
1478
1479 $self
1480}
1481
1482# find and load all maps in the 3x3 area around a map
1483sub load_diag {
1484 my ($map) = @_;
1485
1486 my @diag; # diagonal neighbours
1487
1488 for (0 .. 3) {
1489 my $neigh = $map->tile_path ($_)
1490 or next;
1491 $neigh = find $neigh, $map
1492 or next;
1493 $neigh->load;
1494
1495 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1496 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1497 }
1498
1499 for (@diag) {
1500 my $neigh = find @$_
1501 or next;
1502 $neigh->load;
1503 }
1365} 1504}
1366 1505
1367sub find_sync { 1506sub find_sync {
1368 my ($path, $origin) = @_; 1507 my ($path, $origin) = @_;
1369 1508
1370 cf::sync_job { cf::map::find $path, $origin } 1509 cf::sync_job { find $path, $origin }
1371} 1510}
1372 1511
1373sub do_load_sync { 1512sub do_load_sync {
1374 my ($map) = @_; 1513 my ($map) = @_;
1375 1514
1376 cf::sync_job { $map->load }; 1515 cf::sync_job { $map->load };
1377} 1516}
1378 1517
1518our %MAP_PREFETCH;
1519our $MAP_PREFETCHER = undef;
1520
1521sub find_async {
1522 my ($path, $origin) = @_;
1523
1524 $path = normalise $path, $origin && $origin->{path};
1525
1526 if (my $map = $cf::MAP{$path}) {
1527 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1528 }
1529
1530 undef $MAP_PREFETCH{$path};
1531 $MAP_PREFETCHER ||= cf::async {
1532 while (%MAP_PREFETCH) {
1533 for my $path (keys %MAP_PREFETCH) {
1534 my $map = find $path
1535 or next;
1536 $map->load;
1537
1538 delete $MAP_PREFETCH{$path};
1539 }
1540 }
1541 undef $MAP_PREFETCHER;
1542 };
1543 $MAP_PREFETCHER->prio (6);
1544
1545 ()
1546}
1547
1379sub save { 1548sub save {
1380 my ($self) = @_; 1549 my ($self) = @_;
1381 1550
1382 my $lock = cf::lock_acquire "map_data:" . $self->path; 1551 my $lock = cf::lock_acquire "map_data:" . $self->path;
1383 1552
1384 $self->{last_save} = $cf::RUNTIME; 1553 $self->{last_save} = $cf::RUNTIME;
1385 1554
1386 return unless $self->dirty; 1555 return unless $self->dirty;
1387 1556
1388 my $save = $self->{path}->save_path; utf8::encode $save; 1557 my $save = $self->save_path; utf8::encode $save;
1389 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1558 my $uniq = $self->uniq_path; utf8::encode $uniq;
1390 1559
1391 $self->{load_path} = $save; 1560 $self->{load_path} = $save;
1392 1561
1393 return if $self->{deny_save}; 1562 return if $self->{deny_save};
1394 1563
1397 cf::async { 1566 cf::async {
1398 $_->contr->save for $self->players; 1567 $_->contr->save for $self->players;
1399 }; 1568 };
1400 1569
1401 if ($uniq) { 1570 if ($uniq) {
1402 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1571 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1403 $self->save_objects ($uniq, cf::IO_UNIQUES); 1572 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1404 } else { 1573 } else {
1405 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1574 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1406 } 1575 }
1407} 1576}
1408 1577
1409sub swap_out { 1578sub swap_out {
1410 my ($self) = @_; 1579 my ($self) = @_;
1424 1593
1425sub reset_at { 1594sub reset_at {
1426 my ($self) = @_; 1595 my ($self) = @_;
1427 1596
1428 # TODO: safety, remove and allow resettable per-player maps 1597 # TODO: safety, remove and allow resettable per-player maps
1429 return 1e99 if $self->{path}{user_rel}; 1598 return 1e99 if $self->isa ("ext::map_per_player");#d#
1430 return 1e99 if $self->{deny_reset}; 1599 return 1e99 if $self->{deny_reset};
1431 1600
1432 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1601 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1602 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1434 1603
1439 my ($self) = @_; 1608 my ($self) = @_;
1440 1609
1441 $self->reset_at <= $cf::RUNTIME 1610 $self->reset_at <= $cf::RUNTIME
1442} 1611}
1443 1612
1444sub unlink_save {
1445 my ($self) = @_;
1446
1447 utf8::encode (my $save = $self->{path}->save_path);
1448 aioreq_pri 3; IO::AIO::aio_unlink $save;
1449 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1450}
1451
1452sub rename {
1453 my ($self, $new_path) = @_;
1454
1455 $self->unlink_save;
1456
1457 delete $cf::MAP{$self->path};
1458 $self->{path} = new cf::path $new_path;
1459 $self->path ($self->{path}->as_string);
1460 $cf::MAP{$self->path} = $self;
1461
1462 $self->save;
1463}
1464
1465sub reset { 1613sub reset {
1466 my ($self) = @_; 1614 my ($self) = @_;
1467 1615
1468 my $lock = cf::lock_acquire "map_data:" . $self->path; 1616 my $lock = cf::lock_acquire "map_data:$self->{path}";
1469 1617
1470 return if $self->players; 1618 return if $self->players;
1471 return if $self->{path}{user_rel};#d# 1619 return if $self->isa ("ext::map_per_player");#d#
1472 1620
1473 warn "resetting map ", $self->path;#d# 1621 warn "resetting map ", $self->path;#d#
1474 1622
1623 $self->in_memory (cf::MAP_SWAPPED);
1624
1625 # need to save uniques path
1626 unless ($self->{deny_save}) {
1627 my $uniq = $self->uniq_path; utf8::encode $uniq;
1628
1629 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1630 if $uniq;
1631 }
1632
1475 delete $cf::MAP{$self->path}; 1633 delete $cf::MAP{$self->path};
1634
1635 $self->clear;
1476 1636
1477 $_->clear_links_to ($self) for values %cf::MAP; 1637 $_->clear_links_to ($self) for values %cf::MAP;
1478 1638
1479 $self->unlink_save; 1639 $self->unlink_save;
1480 $self->destroy; 1640 $self->destroy;
1483my $nuke_counter = "aaaa"; 1643my $nuke_counter = "aaaa";
1484 1644
1485sub nuke { 1645sub nuke {
1486 my ($self) = @_; 1646 my ($self) = @_;
1487 1647
1648 delete $cf::MAP{$self->path};
1649
1650 $self->unlink_save;
1651
1652 bless $self, "cf::map";
1653 delete $self->{deny_reset};
1488 $self->{deny_save} = 1; 1654 $self->{deny_save} = 1;
1489 $self->reset_timeout (1); 1655 $self->reset_timeout (1);
1490 $self->rename ("{nuke}/" . ($nuke_counter++)); 1656 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657
1658 $cf::MAP{$self->path} = $self;
1659
1491 $self->reset; # polite request, might not happen 1660 $self->reset; # polite request, might not happen
1492} 1661}
1493 1662
1494sub customise_for { 1663=item cf::map::unique_maps
1495 my ($map, $ob) = @_;
1496 1664
1497 if ($map->per_player) { 1665Returns an arrayref of paths of all shared maps that have
1498 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1666instantiated unique items. May block.
1499 }
1500 1667
1501 $map 1668=cut
1502}
1503 1669
1504sub emergency_save { 1670sub unique_maps() {
1505 my $freeze_guard = cf::freeze_mainloop; 1671 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1672 or return;
1506 1673
1507 warn "enter emergency perl save\n"; 1674 my @paths;
1508 1675
1509 cf::sync_job { 1676 for (@$files) {
1510 warn "begin emergency player save\n"; 1677 utf8::decode $_;
1511 $_->save for values %cf::PLAYER; 1678 next if /\.pst$/;
1512 warn "end emergency player save\n"; 1679 next unless /^$PATH_SEP/o;
1513 1680
1514 warn "begin emergency map save\n"; 1681 push @paths, cf::map::normalise $_;
1515 $_->save for values %cf::MAP;
1516 warn "end emergency map save\n";
1517 }; 1682 }
1518 1683
1519 warn "leave emergency perl save\n"; 1684 \@paths
1520} 1685}
1521 1686
1522package cf; 1687package cf;
1523 1688
1524=back 1689=back
1525 1690
1691=head3 cf::object
1692
1693=cut
1694
1695package cf::object;
1696
1697=over 4
1698
1699=item $ob->inv_recursive
1700
1701Returns the inventory of the object _and_ their inventories, recursively.
1702
1703=cut
1704
1705sub inv_recursive_;
1706sub inv_recursive_ {
1707 map { $_, inv_recursive_ $_->inv } @_
1708}
1709
1710sub inv_recursive {
1711 inv_recursive_ inv $_[0]
1712}
1713
1714package cf;
1715
1716=back
1526 1717
1527=head3 cf::object::player 1718=head3 cf::object::player
1528 1719
1529=over 4 1720=over 4
1530 1721
1570 1761
1571=item $player_object->enter_link 1762=item $player_object->enter_link
1572 1763
1573Freezes the player and moves him/her to a special map (C<{link}>). 1764Freezes the player and moves him/her to a special map (C<{link}>).
1574 1765
1575The player should be reaosnably safe there for short amounts of time. You 1766The player should be reasonably safe there for short amounts of time. You
1576I<MUST> call C<leave_link> as soon as possible, though. 1767I<MUST> call C<leave_link> as soon as possible, though.
1577 1768
1769Will never block.
1770
1578=item $player_object->leave_link ($map, $x, $y) 1771=item $player_object->leave_link ($map, $x, $y)
1579 1772
1580Moves the player out of the specila link map onto the given map. If the 1773Moves the player out of the special C<{link}> map onto the specified
1581map is not valid (or omitted), the player will be moved back to the 1774map. If the map is not valid (or omitted), the player will be moved back
1582location he/she was before the call to C<enter_link>, or, if that fails, 1775to the location he/she was before the call to C<enter_link>, or, if that
1583to the emergency map position. 1776fails, to the emergency map position.
1584 1777
1585Might block. 1778Might block.
1586 1779
1587=cut 1780=cut
1781
1782sub link_map {
1783 unless ($LINK_MAP) {
1784 $LINK_MAP = cf::map::find "{link}"
1785 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1786 $LINK_MAP->load;
1787 }
1788
1789 $LINK_MAP
1790}
1588 1791
1589sub cf::object::player::enter_link { 1792sub cf::object::player::enter_link {
1590 my ($self) = @_; 1793 my ($self) = @_;
1591 1794
1592 $self->deactivate_recursive; 1795 $self->deactivate_recursive;
1593 1796
1594 return if $self->map == $LINK_MAP; 1797 return if UNIVERSAL::isa $self->map, "ext::map_link";
1595 1798
1596 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1799 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597 if $self->map; 1800 if $self->map;
1598 1801
1599 $self->enter_map ($LINK_MAP, 20, 20); 1802 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1600} 1803}
1601 1804
1602sub cf::object::player::leave_link { 1805sub cf::object::player::leave_link {
1603 my ($self, $map, $x, $y) = @_; 1806 my ($self, $map, $x, $y) = @_;
1604 1807
1622 # use -1 or undef as default coordinates, not 0, 0 1825 # use -1 or undef as default coordinates, not 0, 0
1623 ($x, $y) = ($map->enter_x, $map->enter_y) 1826 ($x, $y) = ($map->enter_x, $map->enter_y)
1624 if $x <=0 && $y <= 0; 1827 if $x <=0 && $y <= 0;
1625 1828
1626 $map->load; 1829 $map->load;
1830 $map->load_diag;
1627 1831
1628 return unless $self->contr->active; 1832 return unless $self->contr->active;
1629 $self->activate_recursive; 1833 $self->activate_recursive;
1834
1835 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1630 $self->enter_map ($map, $x, $y); 1836 $self->enter_map ($map, $x, $y);
1631} 1837}
1632 1838
1633cf::player->attach ( 1839cf::player->attach (
1634 on_logout => sub { 1840 on_logout => sub {
1647 # try to abort aborted map switching on player login :) 1853 # try to abort aborted map switching on player login :)
1648 # should happen only on crashes 1854 # should happen only on crashes
1649 if ($pl->ob->{_link_pos}) { 1855 if ($pl->ob->{_link_pos}) {
1650 $pl->ob->enter_link; 1856 $pl->ob->enter_link;
1651 (async { 1857 (async {
1652 # we need this sleep as the login has a concurrent enter_exit running
1653 # and this sleep increases chances of the player not ending up in scorn
1654 $pl->ob->reply (undef, 1858 $pl->ob->reply (undef,
1655 "There was an internal problem at your last logout, " 1859 "There was an internal problem at your last logout, "
1656 . "the server will try to bring you to your intended destination in a second.", 1860 . "the server will try to bring you to your intended destination in a second.",
1657 cf::NDI_RED); 1861 cf::NDI_RED);
1862 # we need this sleep as the login has a concurrent enter_exit running
1863 # and this sleep increases chances of the player not ending up in scorn
1658 Coro::Timer::sleep 1; 1864 Coro::Timer::sleep 1;
1659 $pl->ob->leave_link; 1865 $pl->ob->leave_link;
1660 })->prio (2); 1866 })->prio (2);
1661 } 1867 }
1662 }, 1868 },
1670 my ($self, $path, $x, $y) = @_; 1876 my ($self, $path, $x, $y) = @_;
1671 1877
1672 $self->enter_link; 1878 $self->enter_link;
1673 1879
1674 (async { 1880 (async {
1675 $path = new cf::path $path; 1881 my $map = eval {
1676
1677 my $map = cf::map::find $path->as_string; 1882 my $map = cf::map::find $path;
1678 $map = $map->customise_for ($self) if $map; 1883 $map = $map->customise_for ($self) if $map;
1679 1884 $map
1680# warn "entering ", $map->path, " at ($x, $y)\n" 1885 } or
1681# if $map;
1682
1683 $map or $map->cluck ("oy");#d#
1684 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1886 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685 1887
1686 $self->leave_link ($map, $x, $y); 1888 $self->leave_link ($map, $x, $y);
1687 })->prio (1); 1889 })->prio (1);
1688} 1890}
1689 1891
1693 1895
1694sub parse_random_map_params { 1896sub parse_random_map_params {
1695 my ($spec) = @_; 1897 my ($spec) = @_;
1696 1898
1697 my $rmp = { # defaults 1899 my $rmp = { # defaults
1698 xsize => 10, 1900 xsize => (cf::rndm 15, 40),
1699 ysize => 10, 1901 ysize => (cf::rndm 15, 40),
1902 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1903 #layout => string,
1700 }; 1904 };
1701 1905
1702 for (split /\n/, $spec) { 1906 for (split /\n/, $spec) {
1703 my ($k, $v) = split /\s+/, $_, 2; 1907 my ($k, $v) = split /\s+/, $_, 2;
1704 1908
1708 $rmp 1912 $rmp
1709} 1913}
1710 1914
1711sub prepare_random_map { 1915sub prepare_random_map {
1712 my ($exit) = @_; 1916 my ($exit) = @_;
1917
1918 my $guard = cf::lock_acquire "exit_prepare:$exit";
1713 1919
1714 # all this does is basically replace the /! path by 1920 # all this does is basically replace the /! path by
1715 # a new random map path (?random/...) with a seed 1921 # a new random map path (?random/...) with a seed
1716 # that depends on the exit object 1922 # that depends on the exit object
1717 1923
1718 my $rmp = parse_random_map_params $exit->msg; 1924 my $rmp = parse_random_map_params $exit->msg;
1719 1925
1720 if ($exit->map) { 1926 if ($exit->map) {
1721 $rmp->{region} = $exit->map->region_name; 1927 $rmp->{region} = $exit->region->name;
1722 $rmp->{origin_map} = $exit->map->path; 1928 $rmp->{origin_map} = $exit->map->path;
1723 $rmp->{origin_x} = $exit->x; 1929 $rmp->{origin_x} = $exit->x;
1724 $rmp->{origin_y} = $exit->y; 1930 $rmp->{origin_y} = $exit->y;
1725 } 1931 }
1726 1932
1727 $rmp->{random_seed} ||= $exit->random_seed; 1933 $rmp->{random_seed} ||= $exit->random_seed;
1728 1934
1729 my $data = cf::to_json $rmp; 1935 my $data = cf::to_json $rmp;
1730 my $md5 = Digest::MD5::md5_hex $data; 1936 my $md5 = Digest::MD5::md5_hex $data;
1937 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1731 1938
1732 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1939 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733 aio_write $fh, 0, (length $data), $data, 0; 1940 aio_write $fh, 0, (length $data), $data, 0;
1941 undef $fh;
1942 aio_rename "$meta~", $meta;
1734 1943
1735 $exit->slaying ("?random/$md5"); 1944 $exit->slaying ("?random/$md5");
1736 $exit->msg (undef); 1945 $exit->msg (undef);
1737 } 1946 }
1738} 1947}
1739 1948
1740sub cf::object::player::enter_exit { 1949sub cf::object::player::enter_exit {
1741 my ($self, $exit) = @_; 1950 my ($self, $exit) = @_;
1742 1951
1743 return unless $self->type == cf::PLAYER; 1952 return unless $self->type == cf::PLAYER;
1953
1954 if ($exit->slaying eq "/!") {
1955 #TODO: this should de-fi-ni-te-ly not be a sync-job
1956 cf::sync_job { prepare_random_map $exit };
1957 }
1958
1959 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960 my $hp = $exit->stats->hp;
1961 my $sp = $exit->stats->sp;
1744 1962
1745 $self->enter_link; 1963 $self->enter_link;
1746 1964
1747 (async { 1965 (async {
1748 $self->deactivate_recursive; # just to be sure 1966 $self->deactivate_recursive; # just to be sure
1749 unless (eval { 1967 unless (eval {
1750 prepare_random_map $exit 1968 $self->goto ($slaying, $hp, $sp);
1751 if $exit->slaying eq "/!";
1752
1753 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755 1969
1756 1; 1970 1;
1757 }) { 1971 }) {
1758 $self->message ("Something went wrong deep within the crossfire server. " 1972 $self->message ("Something went wrong deep within the crossfire server. "
1759 . "I'll try to bring you back to the map you were before. " 1973 . "I'll try to bring you back to the map you were before. "
1760 . "Please report this to the dungeon master", 1974 . "Please report this to the dungeon master!",
1761 cf::NDI_UNIQUE | cf::NDI_RED); 1975 cf::NDI_UNIQUE | cf::NDI_RED);
1762 1976
1763 warn "ERROR in enter_exit: $@"; 1977 warn "ERROR in enter_exit: $@";
1764 $self->leave_link; 1978 $self->leave_link;
1765 } 1979 }
1820 # get handled first 2034 # get handled first
1821 my $queue = delete $ns->{query_queue} 2035 my $queue = delete $ns->{query_queue}
1822 or return; # be conservative, not sure how that can happen, but we saw a crash here 2036 or return; # be conservative, not sure how that can happen, but we saw a crash here
1823 2037
1824 (shift @$queue)->[1]->($msg); 2038 (shift @$queue)->[1]->($msg);
2039 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825 2040
1826 push @{ $ns->{query_queue} }, @$queue; 2041 push @{ $ns->{query_queue} }, @$queue;
1827 2042
1828 if (@{ $ns->{query_queue} } == @$queue) { 2043 if (@{ $ns->{query_queue} } == @$queue) {
1829 if (@$queue) { 2044 if (@$queue) {
1990The parameter C<$family> should best start with the name of the extension 2205The parameter C<$family> should best start with the name of the extension
1991using it, it should be unique. 2206using it, it should be unique.
1992 2207
1993=over 4 2208=over 4
1994 2209
1995=item $hashref = cf::db_get $family
1996
1997Return a hashref for use by the extension C<$family>, which can be
1998modified. After modifications, you have to call C<cf::db_dirty> or
1999C<cf::db_sync>.
2000
2001=item $value = cf::db_get $family => $key 2210=item $value = cf::db_get $family => $key
2002 2211
2003Returns a single value from the database 2212Returns a single value from the database.
2004
2005=item cf::db_put $family => $hashref
2006
2007Stores the given family hashref into the database. Updates are delayed, if
2008you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009 2213
2010=item cf::db_put $family => $key => $value 2214=item cf::db_put $family => $key => $value
2011 2215
2012Stores the given C<$value> in the family hash. Updates are delayed, if you 2216Stores the given C<$value> in the family.
2013want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015=item cf::db_dirty
2016
2017Marks the database as dirty, to be updated at a later time.
2018
2019=item cf::db_sync
2020
2021Immediately write the database to disk I<if it is dirty>.
2022 2217
2023=cut 2218=cut
2024 2219
2025our $DB; 2220our $DB;
2026 2221
2027{ 2222sub db_init {
2223 unless ($DB) {
2224 $DB = BDB::db_create $DB_ENV;
2225
2226 cf::sync_job {
2227 eval {
2228 $DB->set_flags (BDB::CHKSUM);
2229
2230 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232 cf::cleanup "db_open(db): $!" if $!;
2233 };
2234 cf::cleanup "db_open(db): $@" if $@;
2235 };
2236
2028 my $path = cf::localdir . "/database.pst"; 2237 my $path = cf::localdir . "/database.pst";
2238 if (stat $path) {
2239 cf::sync_job {
2240 my $pst = Storable::retrieve $path;
2029 2241
2030 sub db_load() { 2242 cf::db_put (board => data => $pst->{board});
2031 $DB = stat $path ? Storable::retrieve $path : { }; 2243 cf::db_put (guildrules => data => $pst->{guildrules});
2032 } 2244 cf::db_put (rent => balance => $pst->{rent}{balance});
2245 BDB::db_env_txn_checkpoint $DB_ENV;
2033 2246
2034 my $pid; 2247 unlink $path;
2035
2036 sub db_save() {
2037 waitpid $pid, 0 if $pid;
2038 if (0 == ($pid = fork)) {
2039 $DB->{_meta}{version} = 1;
2040 Storable::nstore $DB, "$path~";
2041 rename "$path~", $path;
2042 cf::_exit 0 if defined $pid;
2043 } 2248 };
2044 }
2045
2046 my $dirty;
2047
2048 sub db_sync() {
2049 db_save if $dirty;
2050 undef $dirty;
2051 }
2052
2053 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054 db_sync;
2055 });
2056
2057 sub db_dirty() {
2058 $dirty = 1;
2059 $idle->start;
2060 }
2061
2062 sub db_get($;$) {
2063 @_ >= 2
2064 ? $DB->{$_[0]}{$_[1]}
2065 : ($DB->{$_[0]} ||= { })
2066 }
2067
2068 sub db_put($$;$) {
2069 if (@_ >= 3) {
2070 $DB->{$_[0]}{$_[1]} = $_[2];
2071 } else {
2072 $DB->{$_[0]} = $_[1];
2073 }
2074 db_dirty;
2075 }
2076
2077 cf::global->attach (
2078 prio => 10000,
2079 on_cleanup => sub {
2080 db_sync;
2081 }, 2249 }
2082 ); 2250 }
2251}
2252
2253sub db_get($$) {
2254 my $key = "$_[0]/$_[1]";
2255
2256 cf::sync_job {
2257 BDB::db_get $DB, undef, $key, my $data;
2258
2259 $! ? ()
2260 : Compress::LZF::sthaw $data
2261 }
2262}
2263
2264sub db_put($$$) {
2265 BDB::dbreq_pri 4;
2266 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2083} 2267}
2084 2268
2085############################################################################# 2269#############################################################################
2086# the server's main() 2270# the server's init and main functions
2271
2272sub load_faces {
2273 my $path = sprintf "%s/faces", cf::datadir;
2274
2275 warn "loading faces from $path\n";
2276
2277 my $faces;
2278 0 < aio_load $path, $faces
2279 or die "$path: $!";
2280
2281 Coro::cede;
2282 $faces = Storable::thaw $faces;
2283 Coro::cede;
2284
2285 while (my ($face, $info) = each %$faces) {
2286 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2288 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2289 Coro::cede;
2290 }
2291
2292 1
2293}
2294
2295sub reload_resources {
2296 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2297 or die "unable to load regions file\n";#d#
2298 load_faces
2299 or die "unable to load faces\n";#d#
2300}
2301
2302sub init {
2303 reload_resources;
2304}
2087 2305
2088sub cfg_load { 2306sub cfg_load {
2089 open my $fh, "<:utf8", cf::confdir . "/config" 2307 open my $fh, "<:utf8", cf::confdir . "/config"
2090 or return; 2308 or return;
2091 2309
2108 2326
2109sub main { 2327sub main {
2110 # we must not ever block the main coroutine 2328 # we must not ever block the main coroutine
2111 local $Coro::idle = sub { 2329 local $Coro::idle = sub {
2112 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2330 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331 (async {
2113 async { Event::one_event }; 2332 Event::one_event;
2333 })->prio (Coro::PRIO_MAX);
2114 }; 2334 };
2115 2335
2116 cfg_load; 2336 cfg_load;
2117 db_load; 2337 db_init;
2118 load_extensions; 2338 load_extensions;
2339
2340 $TICK_WATCHER->start;
2119 Event::loop; 2341 Event::loop;
2120} 2342}
2121 2343
2122############################################################################# 2344#############################################################################
2123# initialisation 2345# initialisation and cleanup
2346
2347# install some emergency cleanup handlers
2348BEGIN {
2349 for my $signal (qw(INT HUP TERM)) {
2350 Event->signal (
2351 reentrant => 0,
2352 data => WF_AUTOCANCEL,
2353 signal => $signal,
2354 prio => 0,
2355 cb => sub {
2356 cf::cleanup "SIG$signal";
2357 },
2358 );
2359 }
2360}
2361
2362sub emergency_save() {
2363 my $freeze_guard = cf::freeze_mainloop;
2364
2365 warn "enter emergency perl save\n";
2366
2367 cf::sync_job {
2368 # use a peculiar iteration method to avoid tripping on perl
2369 # refcount bugs in for. also avoids problems with players
2370 # and maps saved/destroyed asynchronously.
2371 warn "begin emergency player save\n";
2372 for my $login (keys %cf::PLAYER) {
2373 my $pl = $cf::PLAYER{$login} or next;
2374 $pl->valid or next;
2375 $pl->save;
2376 }
2377 warn "end emergency player save\n";
2378
2379 warn "begin emergency map save\n";
2380 for my $path (keys %cf::MAP) {
2381 my $map = $cf::MAP{$path} or next;
2382 $map->valid or next;
2383 $map->save;
2384 }
2385 warn "end emergency map save\n";
2386
2387 warn "begin emergency database checkpoint\n";
2388 BDB::db_env_txn_checkpoint $DB_ENV;
2389 warn "end emergency database checkpoint\n";
2390 };
2391
2392 warn "leave emergency perl save\n";
2393}
2394
2395sub post_cleanup {
2396 my ($make_core) = @_;
2397
2398 warn Carp::longmess "post_cleanup backtrace"
2399 if $make_core;
2400}
2124 2401
2125sub reload() { 2402sub reload() {
2126 # can/must only be called in main 2403 # can/must only be called in main
2127 if ($Coro::current != $Coro::main) { 2404 if ($Coro::current != $Coro::main) {
2128 warn "can only reload from main coroutine\n"; 2405 warn "can only reload from main coroutine";
2129 return; 2406 return;
2130 } 2407 }
2131 2408
2132 warn "reloading..."; 2409 warn "reloading...";
2133 2410
2134 my $guard = freeze_mainloop; 2411 warn "entering sync_job";
2412
2413 cf::sync_job {
2414 cf::write_runtime; # external watchdog should not bark
2135 cf::emergency_save; 2415 cf::emergency_save;
2416 cf::write_runtime; # external watchdog should not bark
2136 2417
2137 eval { 2418 warn "syncing database to disk";
2419 BDB::db_env_txn_checkpoint $DB_ENV;
2420
2138 # if anything goes wrong in here, we should simply crash as we already saved 2421 # if anything goes wrong in here, we should simply crash as we already saved
2139 2422
2140 # cancel all watchers 2423 warn "cancelling all WF_AUTOCANCEL watchers";
2141 for (Event::all_watchers) { 2424 for (Event::all_watchers) {
2142 $_->cancel if $_->data & WF_AUTOCANCEL; 2425 $_->cancel if $_->data & WF_AUTOCANCEL;
2143 } 2426 }
2144 2427
2428 warn "flushing outstanding aio requests";
2429 for (;;) {
2430 BDB::flush;
2431 IO::AIO::flush;
2432 Coro::cede;
2433 last unless IO::AIO::nreqs || BDB::nreqs;
2434 warn "iterate...";
2435 }
2436
2437 ++$RELOAD;
2438
2145 # cancel all extension coros 2439 warn "cancelling all extension coros";
2146 $_->cancel for values %EXT_CORO; 2440 $_->cancel for values %EXT_CORO;
2147 %EXT_CORO = (); 2441 %EXT_CORO = ();
2148 2442
2149 # unload all extensions 2443 warn "removing commands";
2150 for (@exts) { 2444 %COMMAND = ();
2445
2446 warn "removing ext commands";
2447 %EXTCMD = ();
2448
2449 warn "unloading/nuking all extensions";
2450 for my $pkg (@EXTS) {
2151 warn "unloading <$_>"; 2451 warn "... unloading $pkg";
2152 unload_extension $_; 2452
2453 if (my $cb = $pkg->can ("unload")) {
2454 eval {
2455 $cb->($pkg);
2456 1
2457 } or warn "$pkg unloaded, but with errors: $@";
2153 } 2458 }
2154 2459
2460 warn "... nuking $pkg";
2461 Symbol::delete_package $pkg;
2462 }
2463
2155 # unload all modules loaded from $LIBDIR 2464 warn "unloading all perl modules loaded from $LIBDIR";
2156 while (my ($k, $v) = each %INC) { 2465 while (my ($k, $v) = each %INC) {
2157 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2466 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158 2467
2159 warn "removing <$k>"; 2468 warn "... unloading $k";
2160 delete $INC{$k}; 2469 delete $INC{$k};
2161 2470
2162 $k =~ s/\.pm$//; 2471 $k =~ s/\.pm$//;
2163 $k =~ s/\//::/g; 2472 $k =~ s/\//::/g;
2164 2473
2167 } 2476 }
2168 2477
2169 Symbol::delete_package $k; 2478 Symbol::delete_package $k;
2170 } 2479 }
2171 2480
2172 # sync database to disk
2173 cf::db_sync;
2174 IO::AIO::flush;
2175
2176 # get rid of safe::, as good as possible 2481 warn "getting rid of safe::, as good as possible";
2177 Symbol::delete_package "safe::$_" 2482 Symbol::delete_package "safe::$_"
2178 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2483 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179 2484
2180 # remove register_script_function callbacks
2181 # TODO
2182
2183 # unload cf.pm "a bit" 2485 warn "unloading cf.pm \"a bit\"";
2184 delete $INC{"cf.pm"}; 2486 delete $INC{"cf.pm"};
2185 2487
2186 # don't, removes xs symbols, too, 2488 # don't, removes xs symbols, too,
2187 # and global variables created in xs 2489 # and global variables created in xs
2188 #Symbol::delete_package __PACKAGE__; 2490 #Symbol::delete_package __PACKAGE__;
2189 2491
2190 # reload cf.pm 2492 warn "unload completed, starting to reload now";
2493
2191 warn "reloading cf.pm"; 2494 warn "reloading cf.pm";
2192 require cf; 2495 require cf;
2193 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2496 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194 2497
2195 # load config and database again 2498 warn "loading config and database again";
2196 cf::cfg_load; 2499 cf::cfg_load;
2197 cf::db_load;
2198 2500
2199 # load extensions
2200 warn "load extensions"; 2501 warn "loading extensions";
2201 cf::load_extensions; 2502 cf::load_extensions;
2202 2503
2203 # reattach attachments to objects 2504 warn "reattaching attachments to objects/players";
2204 warn "reattach"; 2505 _global_reattach; # objects, sockets
2205 _global_reattach; 2506 warn "reattaching attachments to maps";
2206 reattach $_ for values %MAP; 2507 reattach $_ for values %MAP;
2207 }; 2508 warn "reattaching attachments to players";
2509 reattach $_ for values %PLAYER;
2208 2510
2209 if ($@) { 2511 warn "loading reloadable resources";
2512 reload_resources;
2513
2514 warn "leaving sync_job";
2515
2516 1
2517 } or do {
2210 warn $@; 2518 warn $@;
2211 warn "error while reloading, exiting."; 2519 warn "error while reloading, exiting.";
2212 exit 1; 2520 exit 1;
2213 } 2521 };
2214 2522
2215 warn "reloaded successfully"; 2523 warn "reloaded";
2216}; 2524};
2217 2525
2218############################################################################# 2526our $RELOAD_WATCHER; # used only during reload
2219
2220unless ($LINK_MAP) {
2221 $LINK_MAP = cf::map::new;
2222
2223 $LINK_MAP->width (41);
2224 $LINK_MAP->height (41);
2225 $LINK_MAP->alloc;
2226 $LINK_MAP->path ("{link}");
2227 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230 # dirty hack because... archetypes are not yet loaded
2231 Event->timer (
2232 after => 10,
2233 cb => sub {
2234 $_[0]->w->cancel;
2235
2236 # provide some exits "home"
2237 my $exit = cf::object::new "exit";
2238
2239 $exit->slaying ($EMERGENCY_POSITION->[0]);
2240 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243 $LINK_MAP->insert ($exit->clone, 19, 19);
2244 $LINK_MAP->insert ($exit->clone, 19, 20);
2245 $LINK_MAP->insert ($exit->clone, 19, 21);
2246 $LINK_MAP->insert ($exit->clone, 20, 19);
2247 $LINK_MAP->insert ($exit->clone, 20, 21);
2248 $LINK_MAP->insert ($exit->clone, 21, 19);
2249 $LINK_MAP->insert ($exit->clone, 21, 20);
2250 $LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252 $exit->destroy;
2253 });
2254
2255 $LINK_MAP->{deny_save} = 1;
2256 $LINK_MAP->{deny_reset} = 1;
2257
2258 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259}
2260
2261register "<global>", __PACKAGE__;
2262 2527
2263register_command "reload" => sub { 2528register_command "reload" => sub {
2264 my ($who, $arg) = @_; 2529 my ($who, $arg) = @_;
2265 2530
2266 if ($who->flag (FLAG_WIZ)) { 2531 if ($who->flag (FLAG_WIZ)) {
2267 $who->message ("start of reload."); 2532 $who->message ("reloading server.");
2533
2534 # doing reload synchronously and two reloads happen back-to-back,
2535 # coro crashes during coro_state_free->destroy here.
2536
2537 $RELOAD_WATCHER ||= Event->timer (
2538 reentrant => 0,
2539 after => 0,
2540 data => WF_AUTOCANCEL,
2541 cb => sub {
2268 reload; 2542 reload;
2269 $who->message ("end of reload."); 2543 undef $RELOAD_WATCHER;
2544 },
2545 );
2270 } 2546 }
2271}; 2547};
2272 2548
2273unshift @INC, $LIBDIR; 2549unshift @INC, $LIBDIR;
2550
2551my $bug_warning = 0;
2274 2552
2275$TICK_WATCHER = Event->timer ( 2553$TICK_WATCHER = Event->timer (
2276 reentrant => 0, 2554 reentrant => 0,
2555 parked => 1,
2277 prio => 0, 2556 prio => 0,
2278 at => $NEXT_TICK || $TICK, 2557 at => $NEXT_TICK || $TICK,
2279 data => WF_AUTOCANCEL, 2558 data => WF_AUTOCANCEL,
2280 cb => sub { 2559 cb => sub {
2560 if ($Coro::current != $Coro::main) {
2561 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562 unless ++$bug_warning > 10;
2563 return;
2564 }
2565
2566 $NOW = Event::time;
2567
2281 cf::server_tick; # one server iteration 2568 cf::server_tick; # one server iteration
2282 $RUNTIME += $TICK; 2569 $RUNTIME += $TICK;
2283 $NEXT_TICK += $TICK; 2570 $NEXT_TICK += $TICK;
2571
2572 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573 $NEXT_RUNTIME_WRITE = $NOW + 10;
2574 Coro::async_pool {
2575 write_runtime
2576 or warn "ERROR: unable to write runtime file: $!";
2577 };
2578 }
2579
2580 $WAIT_FOR_TICK->broadcast;
2581 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583# my $AFTER = Event::time;
2584# warn $AFTER - $NOW;#d#
2284 2585
2285 # if we are delayed by four ticks or more, skip them all 2586 # if we are delayed by four ticks or more, skip them all
2286 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2587 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287 2588
2288 $TICK_WATCHER->at ($NEXT_TICK); 2589 $TICK_WATCHER->at ($NEXT_TICK);
2289 $TICK_WATCHER->start; 2590 $TICK_WATCHER->start;
2290 }, 2591 },
2291); 2592);
2292 2593
2594{
2293IO::AIO::max_poll_time $TICK * 0.2; 2595 BDB::max_poll_time $TICK * 0.1;
2294 2596 $BDB_POLL_WATCHER = Event->io (
2295Event->io ( 2597 reentrant => 0,
2296 fd => IO::AIO::poll_fileno, 2598 fd => BDB::poll_fileno,
2297 poll => 'r', 2599 poll => 'r',
2298 prio => 5, 2600 prio => 0,
2299 data => WF_AUTOCANCEL,
2300 cb => \&IO::AIO::poll_cb,
2301);
2302
2303Event->timer (
2304 data => WF_AUTOCANCEL, 2601 data => WF_AUTOCANCEL,
2305 after => 0, 2602 cb => \&BDB::poll_cb,
2306 interval => 10, 2603 );
2307 cb => sub { 2604 BDB::min_parallel 8;
2308 (Coro::unblock_sub { 2605
2309 write_runtime 2606 BDB::set_sync_prepare {
2310 or warn "ERROR: unable to write runtime file: $!"; 2607 my $status;
2608 my $current = $Coro::current;
2609 (
2610 sub {
2611 $status = $!;
2612 $current->ready; undef $current;
2613 },
2614 sub {
2615 Coro::schedule while defined $current;
2616 $! = $status;
2617 },
2618 )
2619 };
2620
2621 unless ($DB_ENV) {
2622 $DB_ENV = BDB::db_env_create;
2623
2624 cf::sync_job {
2625 eval {
2626 BDB::db_env_open
2627 $DB_ENV,
2628 $BDB_ENV_DIR,
2629 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631 0666;
2632
2633 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2634
2635 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636 $DB_ENV->set_lk_detect;
2637 };
2638
2639 cf::cleanup "db_env_open(db): $@" if $@;
2311 })->(); 2640 };
2312 }, 2641 }
2313); 2642}
2643
2644{
2645 IO::AIO::min_parallel 8;
2646
2647 undef $Coro::AIO::WATCHER;
2648 IO::AIO::max_poll_time $TICK * 0.1;
2649 $AIO_POLL_WATCHER = Event->io (
2650 reentrant => 0,
2651 data => WF_AUTOCANCEL,
2652 fd => IO::AIO::poll_fileno,
2653 poll => 'r',
2654 prio => 6,
2655 cb => \&IO::AIO::poll_cb,
2656 );
2657}
2314 2658
2315END { cf::emergency_save } 2659END { cf::emergency_save }
2316 2660
23171 26611
2318 2662

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