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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.146 by root, Sun Jan 7 23:10:43 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 IO::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 Coro::cede;
1142 $pl->save_pl ($path); 1009 $pl->save_pl ($path);
1143 Coro::cede; 1010 Coro::cede;
1144} 1011}
1145 1012
1146sub new($) { 1013sub new($) {
1154 $cf::PLAYER{$login} = $self; 1021 $cf::PLAYER{$login} = $self;
1155 1022
1156 $self 1023 $self
1157} 1024}
1158 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
1159sub quit_character { 1033sub quit_character {
1160 my ($pl) = @_; 1034 my ($pl) = @_;
1035
1036 my $name = $pl->ob->name;
1161 1037
1162 $pl->{deny_save} = 1; 1038 $pl->{deny_save} = 1;
1163 $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
1164 1040
1165 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1041 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1167 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1043 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1168 $pl->ns->destroy if $pl->ns; 1044 $pl->ns->destroy if $pl->ns;
1169 1045
1170 my $path = playerdir $pl; 1046 my $path = playerdir $pl;
1171 my $temp = "$path~$cf::RUNTIME~deleting~"; 1047 my $temp = "$path~$cf::RUNTIME~deleting~";
1172 IO::AIO::aio_rename $path, $temp, sub { 1048 aio_rename $path, $temp;
1173 delete $cf::PLAYER{$pl->ob->name}; 1049 delete $cf::PLAYER{$pl->ob->name};
1174 $pl->destroy; 1050 $pl->destroy;
1175 1051
1052 my $prefix = qr<^~\Q$name\E/>;
1053
1054 # nuke player maps
1055 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1056
1176 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;
1177 }; 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
1178} 1125}
1179 1126
1180=item $player->ext_reply ($msgid, $msgtype, %msg) 1127=item $player->ext_reply ($msgid, $msgtype, %msg)
1181 1128
1182Sends an ext reply to the player. 1129Sends an ext reply to the player.
1205package cf::map; 1152package cf::map;
1206 1153
1207use Fcntl; 1154use Fcntl;
1208use Coro::AIO; 1155use Coro::AIO;
1209 1156
1157use overload
1158 '""' => \&as_string,
1159 fallback => 1;
1160
1210our $MAX_RESET = 3600; 1161our $MAX_RESET = 3600;
1211our $DEFAULT_RESET = 3000; 1162our $DEFAULT_RESET = 3000;
1212 1163
1213sub generate_random_map { 1164sub generate_random_map {
1214 my ($path, $rmp) = @_; 1165 my ($self, $rmp) = @_;
1215
1216 # mit "rum" bekleckern, nicht 1166 # mit "rum" bekleckern, nicht
1217 cf::map::_create_random_map 1167 $self->_create_random_map (
1218 $path,
1219 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1168 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1220 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1169 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1221 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1170 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222 $rmp->{exit_on_final_map}, 1171 $rmp->{exit_on_final_map},
1223 $rmp->{xsize}, $rmp->{ysize}, 1172 $rmp->{xsize}, $rmp->{ysize},
1224 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1173 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1225 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1174 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1226 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1175 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1227 $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},
1228 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1177 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1229 (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
1230} 1309}
1231 1310
1232# and all this just because we cannot iterate over 1311# and all this just because we cannot iterate over
1233# all maps in C++... 1312# all maps in C++...
1234sub change_all_map_light { 1313sub change_all_map_light {
1236 1315
1237 $_->change_map_light ($change) 1316 $_->change_map_light ($change)
1238 for grep $_->outdoor, values %cf::MAP; 1317 for grep $_->outdoor, values %cf::MAP;
1239} 1318}
1240 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
1241sub try_load_header($) { 1328sub load_header_from($) {
1242 my ($path) = @_; 1329 my ($self, $path) = @_;
1243 1330
1244 utf8::encode $path; 1331 utf8::encode $path;
1245 aio_open $path, O_RDONLY, 0 1332 #aio_open $path, O_RDONLY, 0
1333 # or return;
1334
1335 $self->_load_header ($path)
1246 or return; 1336 or return;
1247 1337
1248 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
1249 or return; 1381 or return;
1382 $self->prepare_orig;
1383 }
1250 1384
1251 # for better error messages only, will be overwritten 1385 1
1252 $map->path ($path);
1253
1254 $map->load_header ($path)
1255 or return;
1256
1257 $map->{load_path} = $path;
1258
1259 $map
1260} 1386}
1261 1387
1262sub find; 1388sub find;
1263sub find { 1389sub find {
1264 my ($path, $origin) = @_; 1390 my ($path, $origin) = @_;
1265 1391
1266 #warn "find<$path,$origin>\n";#d#
1267
1268 $path = new cf::path $path, $origin && $origin->path; 1392 $path = normalise $path, $origin && $origin->path;
1269 my $key = $path->as_string;
1270 1393
1271 cf::lock_wait "map_find:$key"; 1394 cf::lock_wait "map_find:$path";
1272 1395
1273 $cf::MAP{$key} || do { 1396 $cf::MAP{$path} || do {
1274 my $guard = cf::lock_acquire "map_find:$key"; 1397 my $guard = cf::lock_acquire "map_find:$path";
1275 1398 my $map = new_from_path cf::map $path
1276 # do it the slow way
1277 my $map = try_load_header $path->save_path;
1278
1279 Coro::cede;
1280
1281 if ($map) {
1282 $map->last_access ((delete $map->{last_access})
1283 || $cf::RUNTIME); #d#
1284 # safety
1285 $map->{instantiate_time} = $cf::RUNTIME
1286 if $map->{instantiate_time} > $cf::RUNTIME;
1287 } else {
1288 if (my $rmp = $path->random_map_params) {
1289 $map = generate_random_map $key, $rmp;
1290 } else {
1291 $map = try_load_header $path->load_path;
1292 }
1293
1294 $map or return; 1399 or return;
1295 1400
1296 $map->{load_original} = 1;
1297 $map->{instantiate_time} = $cf::RUNTIME;
1298 $map->last_access ($cf::RUNTIME);
1299 $map->instantiate;
1300
1301 # per-player maps become, after loading, normal maps
1302 $map->per_player (0) if $path->{user_rel};
1303 }
1304
1305 $map->path ($key);
1306 $map->{path} = $path;
1307 $map->{last_save} = $cf::RUNTIME; 1401 $map->{last_save} = $cf::RUNTIME;
1308 1402
1309 Coro::cede; 1403 $map->load_header
1404 or return;
1310 1405
1311 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;
1312 $map->reset; 1409 $map->reset;
1313 undef $guard; 1410 undef $guard;
1314 $map = find $path 1411 return find $path;
1315 or return;
1316 } 1412 }
1317 1413
1318 $cf::MAP{$key} = $map 1414 $cf::MAP{$path} = $map
1319 } 1415 }
1320} 1416}
1417
1418sub pre_load { }
1419sub post_load { }
1321 1420
1322sub load { 1421sub load {
1323 my ($self) = @_; 1422 my ($self) = @_;
1324 1423
1424 local $self->{deny_reset} = 1; # loading can take a long time
1425
1325 my $path = $self->{path}; 1426 my $path = $self->{path};
1326 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1427 my $guard = cf::lock_acquire "map_load:$path";
1327 1428
1328 return if $self->in_memory != cf::MAP_SWAPPED; 1429 return if $self->in_memory != cf::MAP_SWAPPED;
1329 1430
1330 $self->in_memory (cf::MAP_LOADING); 1431 $self->in_memory (cf::MAP_LOADING);
1331 1432
1332 $self->alloc; 1433 $self->alloc;
1434
1435 $self->pre_load;
1436
1333 $self->load_objects ($self->{load_path}, 1) 1437 $self->_load_objects ($self->{load_path}, 1)
1334 or return; 1438 or return;
1335 1439
1336 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1440 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1337 if delete $self->{load_original}; 1441 if delete $self->{load_original};
1338 1442
1339 if (my $uniq = $path->uniq_path) { 1443 if (my $uniq = $self->uniq_path) {
1340 utf8::encode $uniq; 1444 utf8::encode $uniq;
1341 if (aio_open $uniq, O_RDONLY, 0) { 1445 if (aio_open $uniq, O_RDONLY, 0) {
1342 $self->clear_unique_items; 1446 $self->clear_unique_items;
1343 $self->load_objects ($uniq, 0); 1447 $self->_load_objects ($uniq, 0);
1344 } 1448 }
1345 } 1449 }
1346 1450
1347 Coro::cede; 1451 Coro::cede;
1348 1452
1349 # now do the right thing for maps 1453 # now do the right thing for maps
1350 $self->link_multipart_objects; 1454 $self->link_multipart_objects;
1351 1455
1352 if ($self->{path}->is_style_map) { 1456 unless ($self->{deny_activate}) {
1353 $self->{deny_save} = 1; 1457 $self->decay_objects;
1354 $self->{deny_reset} = 1;
1355 } else {
1356 $self->fix_auto_apply; 1458 $self->fix_auto_apply;
1357 $self->decay_objects;
1358 $self->update_buttons; 1459 $self->update_buttons;
1460 Coro::cede;
1359 $self->set_darkness_map; 1461 $self->set_darkness_map;
1360 $self->difficulty ($self->estimate_difficulty) 1462 $self->difficulty ($self->estimate_difficulty)
1361 unless $self->difficulty; 1463 unless $self->difficulty;
1464 Coro::cede;
1362 $self->activate; 1465 $self->activate;
1363 } 1466 }
1364 1467
1365 Coro::cede; 1468 $self->post_load;
1366 1469
1367 $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 }
1368} 1504}
1369 1505
1370sub find_sync { 1506sub find_sync {
1371 my ($path, $origin) = @_; 1507 my ($path, $origin) = @_;
1372 1508
1373 cf::sync_job { cf::map::find $path, $origin } 1509 cf::sync_job { find $path, $origin }
1374} 1510}
1375 1511
1376sub do_load_sync { 1512sub do_load_sync {
1377 my ($map) = @_; 1513 my ($map) = @_;
1378 1514
1379 cf::sync_job { $map->load }; 1515 cf::sync_job { $map->load };
1380} 1516}
1381 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
1382sub save { 1548sub save {
1383 my ($self) = @_; 1549 my ($self) = @_;
1384 1550
1385 my $lock = cf::lock_acquire "map_data:" . $self->path; 1551 my $lock = cf::lock_acquire "map_data:" . $self->path;
1386 1552
1387 $self->{last_save} = $cf::RUNTIME; 1553 $self->{last_save} = $cf::RUNTIME;
1388 1554
1389 return unless $self->dirty; 1555 return unless $self->dirty;
1390 1556
1391 my $save = $self->{path}->save_path; utf8::encode $save; 1557 my $save = $self->save_path; utf8::encode $save;
1392 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1558 my $uniq = $self->uniq_path; utf8::encode $uniq;
1393 1559
1394 $self->{load_path} = $save; 1560 $self->{load_path} = $save;
1395 1561
1396 return if $self->{deny_save}; 1562 return if $self->{deny_save};
1397 1563
1400 cf::async { 1566 cf::async {
1401 $_->contr->save for $self->players; 1567 $_->contr->save for $self->players;
1402 }; 1568 };
1403 1569
1404 if ($uniq) { 1570 if ($uniq) {
1405 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1571 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1406 $self->save_objects ($uniq, cf::IO_UNIQUES); 1572 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1407 } else { 1573 } else {
1408 $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);
1409 } 1575 }
1410} 1576}
1411 1577
1412sub swap_out { 1578sub swap_out {
1413 my ($self) = @_; 1579 my ($self) = @_;
1427 1593
1428sub reset_at { 1594sub reset_at {
1429 my ($self) = @_; 1595 my ($self) = @_;
1430 1596
1431 # TODO: safety, remove and allow resettable per-player maps 1597 # TODO: safety, remove and allow resettable per-player maps
1432 return 1e99 if $self->{path}{user_rel}; 1598 return 1e99 if $self->isa ("ext::map_per_player");#d#
1433 return 1e99 if $self->{deny_reset}; 1599 return 1e99 if $self->{deny_reset};
1434 1600
1435 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1601 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1436 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;
1437 1603
1442 my ($self) = @_; 1608 my ($self) = @_;
1443 1609
1444 $self->reset_at <= $cf::RUNTIME 1610 $self->reset_at <= $cf::RUNTIME
1445} 1611}
1446 1612
1447sub unlink_save {
1448 my ($self) = @_;
1449
1450 utf8::encode (my $save = $self->{path}->save_path);
1451 aioreq_pri 3; IO::AIO::aio_unlink $save;
1452 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1453}
1454
1455sub rename {
1456 my ($self, $new_path) = @_;
1457
1458 $self->unlink_save;
1459
1460 delete $cf::MAP{$self->path};
1461 $self->{path} = new cf::path $new_path;
1462 $self->path ($self->{path}->as_string);
1463 $cf::MAP{$self->path} = $self;
1464
1465 $self->save;
1466}
1467
1468sub reset { 1613sub reset {
1469 my ($self) = @_; 1614 my ($self) = @_;
1470 1615
1471 my $lock = cf::lock_acquire "map_data:" . $self->path; 1616 my $lock = cf::lock_acquire "map_data:$self->{path}";
1472 1617
1473 return if $self->players; 1618 return if $self->players;
1474 return if $self->{path}{user_rel};#d# 1619 return if $self->isa ("ext::map_per_player");#d#
1475 1620
1476 warn "resetting map ", $self->path;#d# 1621 warn "resetting map ", $self->path;#d#
1477 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
1478 delete $cf::MAP{$self->path}; 1633 delete $cf::MAP{$self->path};
1634
1635 $self->clear;
1479 1636
1480 $_->clear_links_to ($self) for values %cf::MAP; 1637 $_->clear_links_to ($self) for values %cf::MAP;
1481 1638
1482 $self->unlink_save; 1639 $self->unlink_save;
1483 $self->destroy; 1640 $self->destroy;
1486my $nuke_counter = "aaaa"; 1643my $nuke_counter = "aaaa";
1487 1644
1488sub nuke { 1645sub nuke {
1489 my ($self) = @_; 1646 my ($self) = @_;
1490 1647
1648 delete $cf::MAP{$self->path};
1649
1650 $self->unlink_save;
1651
1652 bless $self, "cf::map";
1653 delete $self->{deny_reset};
1491 $self->{deny_save} = 1; 1654 $self->{deny_save} = 1;
1492 $self->reset_timeout (1); 1655 $self->reset_timeout (1);
1493 $self->rename ("{nuke}/" . ($nuke_counter++)); 1656 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657
1658 $cf::MAP{$self->path} = $self;
1659
1494 $self->reset; # polite request, might not happen 1660 $self->reset; # polite request, might not happen
1495} 1661}
1496 1662
1497sub customise_for { 1663=item cf::map::unique_maps
1498 my ($map, $ob) = @_;
1499 1664
1500 if ($map->per_player) { 1665Returns an arrayref of paths of all shared maps that have
1501 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1666instantiated unique items. May block.
1502 }
1503 1667
1504 $map 1668=cut
1505}
1506 1669
1507sub emergency_save { 1670sub unique_maps() {
1508 my $freeze_guard = cf::freeze_mainloop; 1671 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1672 or return;
1509 1673
1510 warn "enter emergency perl save\n"; 1674 my @paths;
1511 1675
1512 cf::sync_job { 1676 for (@$files) {
1513 warn "begin emergency player save\n"; 1677 utf8::decode $_;
1514 $_->save for values %cf::PLAYER; 1678 next if /\.pst$/;
1515 warn "end emergency player save\n"; 1679 next unless /^$PATH_SEP/o;
1516 1680
1517 warn "begin emergency map save\n"; 1681 push @paths, cf::map::normalise $_;
1518 $_->save for values %cf::MAP;
1519 warn "end emergency map save\n";
1520 }; 1682 }
1521 1683
1522 warn "leave emergency perl save\n"; 1684 \@paths
1523} 1685}
1524 1686
1525package cf; 1687package cf;
1526 1688
1527=back 1689=back
1528 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
1529 1717
1530=head3 cf::object::player 1718=head3 cf::object::player
1531 1719
1532=over 4 1720=over 4
1533 1721
1573 1761
1574=item $player_object->enter_link 1762=item $player_object->enter_link
1575 1763
1576Freezes 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}>).
1577 1765
1578The 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
1579I<MUST> call C<leave_link> as soon as possible, though. 1767I<MUST> call C<leave_link> as soon as possible, though.
1580 1768
1769Will never block.
1770
1581=item $player_object->leave_link ($map, $x, $y) 1771=item $player_object->leave_link ($map, $x, $y)
1582 1772
1583Moves 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
1584map 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
1585location 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
1586to the emergency map position. 1776fails, to the emergency map position.
1587 1777
1588Might block. 1778Might block.
1589 1779
1590=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}
1591 1791
1592sub cf::object::player::enter_link { 1792sub cf::object::player::enter_link {
1593 my ($self) = @_; 1793 my ($self) = @_;
1594 1794
1595 $self->deactivate_recursive; 1795 $self->deactivate_recursive;
1596 1796
1597 return if $self->map == $LINK_MAP; 1797 return if UNIVERSAL::isa $self->map, "ext::map_link";
1598 1798
1599 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1799 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1600 if $self->map; 1800 if $self->map;
1601 1801
1602 $self->enter_map ($LINK_MAP, 20, 20); 1802 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1603} 1803}
1604 1804
1605sub cf::object::player::leave_link { 1805sub cf::object::player::leave_link {
1606 my ($self, $map, $x, $y) = @_; 1806 my ($self, $map, $x, $y) = @_;
1607 1807
1625 # use -1 or undef as default coordinates, not 0, 0 1825 # use -1 or undef as default coordinates, not 0, 0
1626 ($x, $y) = ($map->enter_x, $map->enter_y) 1826 ($x, $y) = ($map->enter_x, $map->enter_y)
1627 if $x <=0 && $y <= 0; 1827 if $x <=0 && $y <= 0;
1628 1828
1629 $map->load; 1829 $map->load;
1830 $map->load_diag;
1630 1831
1631 return unless $self->contr->active; 1832 return unless $self->contr->active;
1632 $self->activate_recursive; 1833 $self->activate_recursive;
1834
1835 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1633 $self->enter_map ($map, $x, $y); 1836 $self->enter_map ($map, $x, $y);
1634} 1837}
1635 1838
1636cf::player->attach ( 1839cf::player->attach (
1637 on_logout => sub { 1840 on_logout => sub {
1650 # try to abort aborted map switching on player login :) 1853 # try to abort aborted map switching on player login :)
1651 # should happen only on crashes 1854 # should happen only on crashes
1652 if ($pl->ob->{_link_pos}) { 1855 if ($pl->ob->{_link_pos}) {
1653 $pl->ob->enter_link; 1856 $pl->ob->enter_link;
1654 (async { 1857 (async {
1655 # we need this sleep as the login has a concurrent enter_exit running
1656 # and this sleep increases chances of the player not ending up in scorn
1657 $pl->ob->reply (undef, 1858 $pl->ob->reply (undef,
1658 "There was an internal problem at your last logout, " 1859 "There was an internal problem at your last logout, "
1659 . "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.",
1660 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
1661 Coro::Timer::sleep 1; 1864 Coro::Timer::sleep 1;
1662 $pl->ob->leave_link; 1865 $pl->ob->leave_link;
1663 })->prio (2); 1866 })->prio (2);
1664 } 1867 }
1665 }, 1868 },
1673 my ($self, $path, $x, $y) = @_; 1876 my ($self, $path, $x, $y) = @_;
1674 1877
1675 $self->enter_link; 1878 $self->enter_link;
1676 1879
1677 (async { 1880 (async {
1678 $path = new cf::path $path; 1881 my $map = eval {
1679
1680 my $map = cf::map::find $path->as_string; 1882 my $map = cf::map::find $path;
1681 $map = $map->customise_for ($self) if $map; 1883 $map = $map->customise_for ($self) if $map;
1682 1884 $map
1683# warn "entering ", $map->path, " at ($x, $y)\n" 1885 } or
1684# if $map;
1685
1686 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1886 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1687 1887
1688 $self->leave_link ($map, $x, $y); 1888 $self->leave_link ($map, $x, $y);
1689 })->prio (1); 1889 })->prio (1);
1690} 1890}
1691 1891
1695 1895
1696sub parse_random_map_params { 1896sub parse_random_map_params {
1697 my ($spec) = @_; 1897 my ($spec) = @_;
1698 1898
1699 my $rmp = { # defaults 1899 my $rmp = { # defaults
1700 xsize => 10, 1900 xsize => (cf::rndm 15, 40),
1701 ysize => 10, 1901 ysize => (cf::rndm 15, 40),
1902 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1903 #layout => string,
1702 }; 1904 };
1703 1905
1704 for (split /\n/, $spec) { 1906 for (split /\n/, $spec) {
1705 my ($k, $v) = split /\s+/, $_, 2; 1907 my ($k, $v) = split /\s+/, $_, 2;
1706 1908
1710 $rmp 1912 $rmp
1711} 1913}
1712 1914
1713sub prepare_random_map { 1915sub prepare_random_map {
1714 my ($exit) = @_; 1916 my ($exit) = @_;
1917
1918 my $guard = cf::lock_acquire "exit_prepare:$exit";
1715 1919
1716 # all this does is basically replace the /! path by 1920 # all this does is basically replace the /! path by
1717 # a new random map path (?random/...) with a seed 1921 # a new random map path (?random/...) with a seed
1718 # that depends on the exit object 1922 # that depends on the exit object
1719 1923
1720 my $rmp = parse_random_map_params $exit->msg; 1924 my $rmp = parse_random_map_params $exit->msg;
1721 1925
1722 if ($exit->map) { 1926 if ($exit->map) {
1723 $rmp->{region} = $exit->map->region_name; 1927 $rmp->{region} = $exit->region->name;
1724 $rmp->{origin_map} = $exit->map->path; 1928 $rmp->{origin_map} = $exit->map->path;
1725 $rmp->{origin_x} = $exit->x; 1929 $rmp->{origin_x} = $exit->x;
1726 $rmp->{origin_y} = $exit->y; 1930 $rmp->{origin_y} = $exit->y;
1727 } 1931 }
1728 1932
1729 $rmp->{random_seed} ||= $exit->random_seed; 1933 $rmp->{random_seed} ||= $exit->random_seed;
1730 1934
1731 my $data = cf::to_json $rmp; 1935 my $data = cf::to_json $rmp;
1732 my $md5 = Digest::MD5::md5_hex $data; 1936 my $md5 = Digest::MD5::md5_hex $data;
1937 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1733 1938
1734 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) {
1735 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;
1736 1943
1737 $exit->slaying ("?random/$md5"); 1944 $exit->slaying ("?random/$md5");
1738 $exit->msg (undef); 1945 $exit->msg (undef);
1739 } 1946 }
1740} 1947}
1741 1948
1742sub cf::object::player::enter_exit { 1949sub cf::object::player::enter_exit {
1743 my ($self, $exit) = @_; 1950 my ($self, $exit) = @_;
1744 1951
1745 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;
1746 1962
1747 $self->enter_link; 1963 $self->enter_link;
1748 1964
1749 (async { 1965 (async {
1750 $self->deactivate_recursive; # just to be sure 1966 $self->deactivate_recursive; # just to be sure
1751 unless (eval { 1967 unless (eval {
1752 prepare_random_map $exit 1968 $self->goto ($slaying, $hp, $sp);
1753 if $exit->slaying eq "/!";
1754
1755 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757 1969
1758 1; 1970 1;
1759 }) { 1971 }) {
1760 $self->message ("Something went wrong deep within the crossfire server. " 1972 $self->message ("Something went wrong deep within the crossfire server. "
1761 . "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. "
1762 . "Please report this to the dungeon master", 1974 . "Please report this to the dungeon master!",
1763 cf::NDI_UNIQUE | cf::NDI_RED); 1975 cf::NDI_UNIQUE | cf::NDI_RED);
1764 1976
1765 warn "ERROR in enter_exit: $@"; 1977 warn "ERROR in enter_exit: $@";
1766 $self->leave_link; 1978 $self->leave_link;
1767 } 1979 }
1822 # get handled first 2034 # get handled first
1823 my $queue = delete $ns->{query_queue} 2035 my $queue = delete $ns->{query_queue}
1824 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
1825 2037
1826 (shift @$queue)->[1]->($msg); 2038 (shift @$queue)->[1]->($msg);
2039 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827 2040
1828 push @{ $ns->{query_queue} }, @$queue; 2041 push @{ $ns->{query_queue} }, @$queue;
1829 2042
1830 if (@{ $ns->{query_queue} } == @$queue) { 2043 if (@{ $ns->{query_queue} } == @$queue) {
1831 if (@$queue) { 2044 if (@$queue) {
1992The 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
1993using it, it should be unique. 2206using it, it should be unique.
1994 2207
1995=over 4 2208=over 4
1996 2209
1997=item $hashref = cf::db_get $family
1998
1999Return a hashref for use by the extension C<$family>, which can be
2000modified. After modifications, you have to call C<cf::db_dirty> or
2001C<cf::db_sync>.
2002
2003=item $value = cf::db_get $family => $key 2210=item $value = cf::db_get $family => $key
2004 2211
2005Returns a single value from the database 2212Returns a single value from the database.
2006
2007=item cf::db_put $family => $hashref
2008
2009Stores the given family hashref into the database. Updates are delayed, if
2010you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011 2213
2012=item cf::db_put $family => $key => $value 2214=item cf::db_put $family => $key => $value
2013 2215
2014Stores the given C<$value> in the family hash. Updates are delayed, if you 2216Stores the given C<$value> in the family.
2015want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017=item cf::db_dirty
2018
2019Marks the database as dirty, to be updated at a later time.
2020
2021=item cf::db_sync
2022
2023Immediately write the database to disk I<if it is dirty>.
2024 2217
2025=cut 2218=cut
2026 2219
2027our $DB; 2220our $DB;
2028 2221
2029{ 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
2030 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;
2031 2241
2032 sub db_load() { 2242 cf::db_put (board => data => $pst->{board});
2033 $DB = stat $path ? Storable::retrieve $path : { }; 2243 cf::db_put (guildrules => data => $pst->{guildrules});
2034 } 2244 cf::db_put (rent => balance => $pst->{rent}{balance});
2245 BDB::db_env_txn_checkpoint $DB_ENV;
2035 2246
2036 my $pid; 2247 unlink $path;
2037
2038 sub db_save() {
2039 waitpid $pid, 0 if $pid;
2040 if (0 == ($pid = fork)) {
2041 $DB->{_meta}{version} = 1;
2042 Storable::nstore $DB, "$path~";
2043 rename "$path~", $path;
2044 cf::_exit 0 if defined $pid;
2045 } 2248 };
2046 }
2047
2048 my $dirty;
2049
2050 sub db_sync() {
2051 db_save if $dirty;
2052 undef $dirty;
2053 }
2054
2055 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056 db_sync;
2057 });
2058
2059 sub db_dirty() {
2060 $dirty = 1;
2061 $idle->start;
2062 }
2063
2064 sub db_get($;$) {
2065 @_ >= 2
2066 ? $DB->{$_[0]}{$_[1]}
2067 : ($DB->{$_[0]} ||= { })
2068 }
2069
2070 sub db_put($$;$) {
2071 if (@_ >= 3) {
2072 $DB->{$_[0]}{$_[1]} = $_[2];
2073 } else {
2074 $DB->{$_[0]} = $_[1];
2075 }
2076 db_dirty;
2077 }
2078
2079 cf::global->attach (
2080 prio => 10000,
2081 on_cleanup => sub {
2082 db_sync;
2083 }, 2249 }
2084 ); 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 { };
2085} 2267}
2086 2268
2087############################################################################# 2269#############################################################################
2088# 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}
2089 2305
2090sub cfg_load { 2306sub cfg_load {
2091 open my $fh, "<:utf8", cf::confdir . "/config" 2307 open my $fh, "<:utf8", cf::confdir . "/config"
2092 or return; 2308 or return;
2093 2309
2099 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2315 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2100 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2316 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2101 2317
2102 if (exists $CFG{mlockall}) { 2318 if (exists $CFG{mlockall}) {
2103 eval { 2319 eval {
2104 $CFG{mlockall} ? &mlockall : &munlockall 2320 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2105 and die "WARNING: m(un)lockall failed: $!\n"; 2321 and die "WARNING: m(un)lockall failed: $!\n";
2106 }; 2322 };
2107 warn $@ if $@; 2323 warn $@ if $@;
2108 } 2324 }
2109} 2325}
2110 2326
2111sub main { 2327sub main {
2112 # we must not ever block the main coroutine 2328 # we must not ever block the main coroutine
2113 local $Coro::idle = sub { 2329 local $Coro::idle = sub {
2114 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 {
2115 async { Event::one_event }; 2332 Event::one_event;
2333 })->prio (Coro::PRIO_MAX);
2116 }; 2334 };
2117 2335
2118 cfg_load; 2336 cfg_load;
2119 db_load; 2337 db_init;
2120 load_extensions; 2338 load_extensions;
2339
2340 $TICK_WATCHER->start;
2121 Event::loop; 2341 Event::loop;
2122} 2342}
2123 2343
2124############################################################################# 2344#############################################################################
2125# 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 $make_core;
2400}
2126 2401
2127sub reload() { 2402sub reload() {
2128 # can/must only be called in main 2403 # can/must only be called in main
2129 if ($Coro::current != $Coro::main) { 2404 if ($Coro::current != $Coro::main) {
2130 warn "can only reload from main coroutine\n"; 2405 warn "can only reload from main coroutine";
2131 return; 2406 return;
2132 } 2407 }
2133 2408
2134 warn "reloading..."; 2409 warn "reloading...";
2135 2410
2136 my $guard = freeze_mainloop; 2411 warn "entering sync_job";
2412
2413 cf::sync_job {
2414 cf::write_runtime; # external watchdog should not bark
2137 cf::emergency_save; 2415 cf::emergency_save;
2416 cf::write_runtime; # external watchdog should not bark
2138 2417
2139 eval { 2418 warn "syncing database to disk";
2419 BDB::db_env_txn_checkpoint $DB_ENV;
2420
2140 # 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
2141 2422
2142 # cancel all watchers 2423 warn "cancelling all WF_AUTOCANCEL watchers";
2143 for (Event::all_watchers) { 2424 for (Event::all_watchers) {
2144 $_->cancel if $_->data & WF_AUTOCANCEL; 2425 $_->cancel if $_->data & WF_AUTOCANCEL;
2145 } 2426 }
2146 2427
2428 warn "flushing outstanding aio requests";
2429 for (;;) {
2430 BDB::flush;
2431 IO::AIO::flush;
2432 Coro::cede;
2433 last unless IO::AIO::nreqs || BDB::nreqs;
2434 warn "iterate...";
2435 }
2436
2437 ++$RELOAD;
2438
2147 # cancel all extension coros 2439 warn "cancelling all extension coros";
2148 $_->cancel for values %EXT_CORO; 2440 $_->cancel for values %EXT_CORO;
2149 %EXT_CORO = (); 2441 %EXT_CORO = ();
2150 2442
2151 # unload all extensions 2443 warn "removing commands";
2152 for (@exts) { 2444 %COMMAND = ();
2445
2446 warn "removing ext commands";
2447 %EXTCMD = ();
2448
2449 warn "unloading/nuking all extensions";
2450 for my $pkg (@EXTS) {
2153 warn "unloading <$_>"; 2451 warn "... unloading $pkg";
2154 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: $@";
2155 } 2458 }
2156 2459
2460 warn "... nuking $pkg";
2461 Symbol::delete_package $pkg;
2462 }
2463
2157 # unload all modules loaded from $LIBDIR 2464 warn "unloading all perl modules loaded from $LIBDIR";
2158 while (my ($k, $v) = each %INC) { 2465 while (my ($k, $v) = each %INC) {
2159 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2466 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160 2467
2161 warn "removing <$k>"; 2468 warn "... unloading $k";
2162 delete $INC{$k}; 2469 delete $INC{$k};
2163 2470
2164 $k =~ s/\.pm$//; 2471 $k =~ s/\.pm$//;
2165 $k =~ s/\//::/g; 2472 $k =~ s/\//::/g;
2166 2473
2169 } 2476 }
2170 2477
2171 Symbol::delete_package $k; 2478 Symbol::delete_package $k;
2172 } 2479 }
2173 2480
2174 # sync database to disk
2175 cf::db_sync;
2176 IO::AIO::flush;
2177
2178 # get rid of safe::, as good as possible 2481 warn "getting rid of safe::, as good as possible";
2179 Symbol::delete_package "safe::$_" 2482 Symbol::delete_package "safe::$_"
2180 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);
2181 2484
2182 # remove register_script_function callbacks
2183 # TODO
2184
2185 # unload cf.pm "a bit" 2485 warn "unloading cf.pm \"a bit\"";
2186 delete $INC{"cf.pm"}; 2486 delete $INC{"cf.pm"};
2187 2487
2188 # don't, removes xs symbols, too, 2488 # don't, removes xs symbols, too,
2189 # and global variables created in xs 2489 # and global variables created in xs
2190 #Symbol::delete_package __PACKAGE__; 2490 #Symbol::delete_package __PACKAGE__;
2191 2491
2192 # reload cf.pm 2492 warn "unload completed, starting to reload now";
2493
2193 warn "reloading cf.pm"; 2494 warn "reloading cf.pm";
2194 require cf; 2495 require cf;
2195 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2496 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196 2497
2197 # load config and database again 2498 warn "loading config and database again";
2198 cf::cfg_load; 2499 cf::cfg_load;
2199 cf::db_load;
2200 2500
2201 # load extensions
2202 warn "load extensions"; 2501 warn "loading extensions";
2203 cf::load_extensions; 2502 cf::load_extensions;
2204 2503
2205 # reattach attachments to objects 2504 warn "reattaching attachments to objects/players";
2206 warn "reattach"; 2505 _global_reattach; # objects, sockets
2207 _global_reattach; 2506 warn "reattaching attachments to maps";
2208 reattach $_ for values %MAP; 2507 reattach $_ for values %MAP;
2209 }; 2508 warn "reattaching attachments to players";
2509 reattach $_ for values %PLAYER;
2210 2510
2211 if ($@) { 2511 warn "loading reloadable resources";
2512 reload_resources;
2513
2514 warn "leaving sync_job";
2515
2516 1
2517 } or do {
2212 warn $@; 2518 warn $@;
2213 warn "error while reloading, exiting."; 2519 warn "error while reloading, exiting.";
2214 exit 1; 2520 exit 1;
2215 } 2521 };
2216 2522
2217 warn "reloaded successfully"; 2523 warn "reloaded";
2218}; 2524};
2219 2525
2220############################################################################# 2526our $RELOAD_WATCHER; # used only during reload
2221
2222unless ($LINK_MAP) {
2223 $LINK_MAP = cf::map::new;
2224
2225 $LINK_MAP->width (41);
2226 $LINK_MAP->height (41);
2227 $LINK_MAP->alloc;
2228 $LINK_MAP->path ("{link}");
2229 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232 # dirty hack because... archetypes are not yet loaded
2233 Event->timer (
2234 after => 10,
2235 cb => sub {
2236 $_[0]->w->cancel;
2237
2238 # provide some exits "home"
2239 my $exit = cf::object::new "exit";
2240
2241 $exit->slaying ($EMERGENCY_POSITION->[0]);
2242 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245 $LINK_MAP->insert ($exit->clone, 19, 19);
2246 $LINK_MAP->insert ($exit->clone, 19, 20);
2247 $LINK_MAP->insert ($exit->clone, 19, 21);
2248 $LINK_MAP->insert ($exit->clone, 20, 19);
2249 $LINK_MAP->insert ($exit->clone, 20, 21);
2250 $LINK_MAP->insert ($exit->clone, 21, 19);
2251 $LINK_MAP->insert ($exit->clone, 21, 20);
2252 $LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254 $exit->destroy;
2255 });
2256
2257 $LINK_MAP->{deny_save} = 1;
2258 $LINK_MAP->{deny_reset} = 1;
2259
2260 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261}
2262
2263register "<global>", __PACKAGE__;
2264 2527
2265register_command "reload" => sub { 2528register_command "reload" => sub {
2266 my ($who, $arg) = @_; 2529 my ($who, $arg) = @_;
2267 2530
2268 if ($who->flag (FLAG_WIZ)) { 2531 if ($who->flag (FLAG_WIZ)) {
2269 $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 {
2270 reload; 2542 reload;
2271 $who->message ("end of reload."); 2543 undef $RELOAD_WATCHER;
2544 },
2545 );
2272 } 2546 }
2273}; 2547};
2274 2548
2275unshift @INC, $LIBDIR; 2549unshift @INC, $LIBDIR;
2550
2551my $bug_warning = 0;
2276 2552
2277$TICK_WATCHER = Event->timer ( 2553$TICK_WATCHER = Event->timer (
2278 reentrant => 0, 2554 reentrant => 0,
2555 parked => 1,
2279 prio => 0, 2556 prio => 0,
2280 at => $NEXT_TICK || $TICK, 2557 at => $NEXT_TICK || $TICK,
2281 data => WF_AUTOCANCEL, 2558 data => WF_AUTOCANCEL,
2282 cb => sub { 2559 cb => sub {
2560 if ($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
2283 cf::server_tick; # one server iteration 2568 cf::server_tick; # one server iteration
2284 $RUNTIME += $TICK; 2569 $RUNTIME += $TICK;
2285 $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#
2286 2585
2287 # 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
2288 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2587 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2289 2588
2290 $TICK_WATCHER->at ($NEXT_TICK); 2589 $TICK_WATCHER->at ($NEXT_TICK);
2291 $TICK_WATCHER->start; 2590 $TICK_WATCHER->start;
2292 }, 2591 },
2293); 2592);
2294 2593
2594{
2295IO::AIO::max_poll_time $TICK * 0.2; 2595 BDB::max_poll_time $TICK * 0.1;
2296 2596 $BDB_POLL_WATCHER = Event->io (
2297Event->io ( 2597 reentrant => 0,
2298 fd => IO::AIO::poll_fileno, 2598 fd => BDB::poll_fileno,
2299 poll => 'r', 2599 poll => 'r',
2300 prio => 5, 2600 prio => 0,
2301 data => WF_AUTOCANCEL,
2302 cb => \&IO::AIO::poll_cb,
2303);
2304
2305Event->timer (
2306 data => WF_AUTOCANCEL, 2601 data => WF_AUTOCANCEL,
2307 after => 0, 2602 cb => \&BDB::poll_cb,
2308 interval => 10, 2603 );
2309 cb => sub { 2604 BDB::min_parallel 8;
2310 (Coro::unblock_sub { 2605
2311 write_runtime 2606 BDB::set_sync_prepare {
2312 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 $@;
2313 })->(); 2640 };
2314 }, 2641 }
2315); 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}
2316 2658
2317END { cf::emergency_save } 2659END { cf::emergency_save }
2318 2660
23191 26611
2320 2662

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