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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.144 by root, Sun Jan 7 18:01:10 2007 UTC vs.
Revision 1.217 by root, Thu Feb 15 21:07:49 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 2.31 (); 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
39our @EVENT; 48our @EVENT;
40our $LIBDIR = datadir . "/ext"; 49our $LIBDIR = datadir . "/ext";
41 50
42our $TICK = MAX_TIME * 1e-6; 51our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 52our $TICK_WATCHER;
53our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 55our $NEXT_TICK;
45our $NOW; 56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off
58
59our $BDB_POLL_WATCHER;
60our $DB_ENV;
46 61
47our %CFG; 62our %CFG;
48 63
49our $UPTIME; $UPTIME ||= time; 64our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 65our $RUNTIME;
51 66
52our %PLAYER; # all users 67our %PLAYER; # all users
53our %MAP; # all maps 68our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 69our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 70our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; # coroutines bound to extensions 71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75
76# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 78
58binmode STDOUT; 79binmode STDOUT;
59binmode STDERR; 80binmode STDERR;
60 81
61# read virtual server time, if available 82# read virtual server time, if available
68mkdir cf::localdir; 89mkdir cf::localdir;
69mkdir cf::localdir . "/" . cf::playerdir; 90mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 91mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 92mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
73 95
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 96our $EMERGENCY_POSITION;
97
98sub cf::map::normalise;
77 99
78############################################################################# 100#############################################################################
79 101
80=head2 GLOBAL VARIABLES 102=head2 GLOBAL VARIABLES
81 103
105 127
106=item %cf::CFG 128=item %cf::CFG
107 129
108Configuration for the server, loaded from C</etc/crossfire/config>, or 130Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 131from wherever your confdir points to.
132
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
134
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
137processing has been done. Call C<< ->wait >> on them to maximise the
138window of cpu time available, or simply to synchronise to the server tick.
110 139
111=back 140=back
112 141
113=cut 142=cut
114 143
118 utf8::encode $msg; 147 utf8::encode $msg;
119 148
120 $msg .= "\n" 149 $msg .= "\n"
121 unless $msg =~ /\n$/; 150 unless $msg =~ /\n$/;
122 151
123 LOG llevError, "cfperl: $msg"; 152 LOG llevError, $msg;
124 }; 153 };
125} 154}
126 155
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146 175
147$Event::DIED = sub { 176$Event::DIED = sub {
148 warn "error in event callback: @_"; 177 warn "error in event callback: @_";
149}; 178};
150 179
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 180=head2 UTILITY FUNCTIONS
156 181
157=over 4 182=over 4
158 183
184=item dumpval $ref
185
159=cut 186=cut
187
188sub dumpval {
189 eval {
190 local $SIG{__DIE__};
191 my $d;
192 if (1) {
193 $d = new Data::Dumper([$_[0]], ["*var"]);
194 $d->Terse(1);
195 $d->Indent(2);
196 $d->Quotekeys(0);
197 $d->Useqq(1);
198 #$d->Bless(...);
199 $d->Seen($_[1]) if @_ > 1;
200 $d = $d->Dump();
201 }
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d
204 } || "[unable to dump $_[0]: '$@']";
205}
160 206
161use JSON::Syck (); # TODO# replace by JSON::PC once working 207use JSON::Syck (); # TODO# replace by JSON::PC once working
162 208
163=item $ref = cf::from_json $json 209=item $ref = cf::from_json $json
164 210
225} 271}
226 272
227sub freeze_mainloop { 273sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 274 return unless $TICK_WATCHER->is_active;
229 275
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 276 my $guard = Coro::guard {
277 $TICK_WATCHER->start;
278 };
231 $TICK_WATCHER->stop; 279 $TICK_WATCHER->stop;
232 $guard 280 $guard
233} 281}
234 282
235=item cf::async { BLOCK } 283=item cf::async { BLOCK }
287 } 335 }
288} 336}
289 337
290=item $coro = cf::async_ext { BLOCK } 338=item $coro = cf::async_ext { BLOCK }
291 339
292Like async, but this coro is automcatially being canceled when the 340Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 341extension calling this is being unloaded.
294 342
295=cut 343=cut
296 344
297sub async_ext(&) { 345sub async_ext(&) {
311 my $runtime = cf::localdir . "/runtime"; 359 my $runtime = cf::localdir . "/runtime";
312 360
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 361 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314 or return; 362 or return;
315 363
364 my $value = $cf::RUNTIME + 90 + 10;
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 365 # 10 is the runtime save interval, for a monotonic clock
366 # 60 allows for the watchdog to kill the server.
367
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0 368 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return; 369 and return;
319 370
371 # always fsync - this file is important
320 aio_fsync $fh 372 aio_fsync $fh
321 and return; 373 and return;
322 374
323 close $fh 375 close $fh
324 or return; 376 or return;
330} 382}
331 383
332=back 384=back
333 385
334=cut 386=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($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;
455 387
456############################################################################# 388#############################################################################
457 389
458=head2 ATTACHABLE OBJECTS 390=head2 ATTACHABLE OBJECTS
459 391
585our @CB_TYPE = (); # registry for type (cf-object class) based events 517our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 518our @CB_MAP = ();
587 519
588my %attachment; 520my %attachment;
589 521
522sub cf::attachable::thawer_merge {
523 # simply override everything except _meta
524 local $_[0]{_meta};
525 %{$_[0]} = %{$_[1]};
526}
527
590sub _attach_cb($$$$) { 528sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 529 my ($registry, $event, $prio, $cb) = @_;
592 530
593 use sort 'stable'; 531 use sort 'stable';
594 532
765# object support 703# object support
766 704
767sub reattach { 705sub reattach {
768 # basically do the same as instantiate, without calling instantiate 706 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 707 my ($obj) = @_;
708
709 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 710
771 my $registry = $obj->registry; 711 my $registry = $obj->registry;
772 712
773 @$registry = (); 713 @$registry = ();
774 714
821 $filename, length $$rdata, scalar @$objs; 761 $filename, length $$rdata, scalar @$objs;
822 762
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 763 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 764 chmod SAVE_MODE, $fh;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 765 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826 aio_fsync $fh; 766 aio_fsync $fh if $cf::USE_FSYNC;
827 close $fh; 767 close $fh;
828 768
829 if (@$objs) { 769 if (@$objs) {
830 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 770 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831 chmod SAVE_MODE, $fh; 771 chmod SAVE_MODE, $fh;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 772 my $data = Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 773 aio_write $fh, 0, (length $data), $data, 0;
834 aio_fsync $fh; 774 aio_fsync $fh if $cf::USE_FSYNC;
835 close $fh; 775 close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 776 aio_rename "$filename.pst~", "$filename.pst";
837 } 777 }
838 } else { 778 } else {
839 aio_unlink "$filename.pst"; 779 aio_unlink "$filename.pst";
906=cut 846=cut
907 847
908sub register_extcmd { 848sub register_extcmd {
909 my ($name, $cb) = @_; 849 my ($name, $cb) = @_;
910 850
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 851 $EXTCMD{$name} = $cb;
915} 852}
916 853
917cf::player->attach ( 854cf::player->attach (
918 on_command => sub { 855 on_command => sub {
919 my ($pl, $name, $params) = @_; 856 my ($pl, $name, $params) = @_;
932 869
933 my $msg = eval { from_json $buf }; 870 my $msg = eval { from_json $buf };
934 871
935 if (ref $msg) { 872 if (ref $msg) {
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 873 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 874 if (my %reply = $cb->($pl, $msg)) {
938 $pl->ext_reply ($msg->{msgid}, %reply); 875 $pl->ext_reply ($msg->{msgid}, %reply);
939 } 876 }
940 } 877 }
941 } else { 878 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 879 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
944 881
945 cf::override; 882 cf::override;
946 }, 883 },
947); 884);
948 885
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 886sub load_extension {
956 my ($path) = @_; 887 my ($path) = @_;
957 888
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 889 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1; 890 my $base = $1;
960 my $pkg = $1; 891 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g; 892 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg"; 893 $pkg = "ext::$pkg";
963 894
964 warn "loading '$path' into '$pkg'\n"; 895 warn "... loading '$path' into '$pkg'\n";
965 896
966 open my $fh, "<:utf8", $path 897 open my $fh, "<:utf8", $path
967 or die "$path: $!"; 898 or die "$path: $!";
968 899
969 my $source = 900 my $source =
970 "package $pkg; use strict; use utf8;\n" 901 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n" 902 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> }) 903 . (do { local $/; <$fh> })
973 . "\n};\n1"; 904 . "\n};\n1";
974 905
975 eval $source 906 unless (eval $source) {
976 or die $@ ? "$path: $@\n" 907 my $msg = $@ ? "$path: $@\n"
977 : "extension disabled.\n"; 908 : "extension disabled.\n";
978 909 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979 push @exts, $pkg; 910 warn $@;
980 $ext_pkg{$base} = $pkg; 911 warn "mandatory extension failed to load, exiting.\n";
981 912 exit 1;
982# no strict 'refs'; 913 }
983# @{"$pkg\::ISA"} = ext::; 914 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# } 915 }
998 916
999 # remove commands 917 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} 918}
1024 919
1025sub load_extensions { 920sub load_extensions {
1026 for my $ext (<$LIBDIR/*.ext>) { 921 for my $ext (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 922 next unless -r $ext;
1031 } or warn "$ext not loaded: $@"; 926 } or warn "$ext not loaded: $@";
1032 } 927 }
1033} 928}
1034 929
1035############################################################################# 930#############################################################################
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 931
1073=head2 CORE EXTENSIONS 932=head2 CORE EXTENSIONS
1074 933
1075Functions and methods that extend core crossfire objects. 934Functions and methods that extend core crossfire objects.
1076 935
1077=cut 936=cut
1078 937
1079package cf::player; 938package cf::player;
1080 939
940use Coro::AIO;
941
1081=head3 cf::player 942=head3 cf::player
1082 943
1083=over 4 944=over 4
1084 945
1085=item cf::player::find $login 946=item cf::player::find $login
1086 947
1087Returns the given player object, loading it if necessary (might block). 948Returns the given player object, loading it if necessary (might block).
1088 949
1089=cut 950=cut
1090 951
952sub playerdir($) {
953 cf::localdir
954 . "/"
955 . cf::playerdir
956 . "/"
957 . (ref $_[0] ? $_[0]->ob->name : $_[0])
958}
959
1091sub path($) { 960sub path($) {
1092 sprintf "%s/%s/%s/%s.pl", 961 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093 cf::localdir, cf::playerdir, 962
1094 (ref $_[0] ? $_[0]->ob->name : $_[0]) x 2 963 (playerdir $login) . "/$login.pl"
1095} 964}
1096 965
1097sub find_active($) { 966sub find_active($) {
1098 $cf::PLAYER{$_[0]} 967 $cf::PLAYER{$_[0]}
1099 and $cf::PLAYER{$_[0]}->active 968 and $cf::PLAYER{$_[0]}->active
1102 971
1103sub exists($) { 972sub exists($) {
1104 my ($login) = @_; 973 my ($login) = @_;
1105 974
1106 $cf::PLAYER{$login} 975 $cf::PLAYER{$login}
1107 or cf::sync_job { !aio_stat $login } 976 or cf::sync_job { !aio_stat path $login }
1108} 977}
1109 978
1110sub find($) { 979sub find($) {
1111 return $cf::PLAYER{$_[0]} || do { 980 return $cf::PLAYER{$_[0]} || do {
1112 my $login = $_[0]; 981 my $login = $_[0];
1113 982
1114 my $guard = cf::lock_acquire "user_find:$login"; 983 my $guard = cf::lock_acquire "user_find:$login";
1115 984
1116 $cf::PLAYER{$login} ||= (load_pl path $login or return); 985 $cf::PLAYER{$_[0]} || do {
986 my $pl = load_pl path $login
987 or return;
988 $cf::PLAYER{$login} = $pl
989 }
1117 }; 990 }
1118} 991}
1119 992
1120sub save($) { 993sub save($) {
1121 my ($pl) = @_; 994 my ($pl) = @_;
1122 995
1124 997
1125 my $path = path $pl; 998 my $path = path $pl;
1126 my $guard = cf::lock_acquire "user_save:$path"; 999 my $guard = cf::lock_acquire "user_save:$path";
1127 1000
1128 return if $pl->{deny_save}; 1001 return if $pl->{deny_save};
1002
1003 aio_mkdir playerdir $pl, 0770;
1129 $pl->{last_save} = $cf::RUNTIME; 1004 $pl->{last_save} = $cf::RUNTIME;
1130 1005
1131 Coro::cede;
1132 $pl->save_pl ($path); 1006 $pl->save_pl ($path);
1133 Coro::cede; 1007 Coro::cede;
1134} 1008}
1135 1009
1136sub new($) { 1010sub new($) {
1144 $cf::PLAYER{$login} = $self; 1018 $cf::PLAYER{$login} = $self;
1145 1019
1146 $self 1020 $self
1147} 1021}
1148 1022
1023=item $pl->quit_character
1024
1025Nukes the player without looking back. If logged in, the connection will
1026be destroyed. May block for a long time.
1027
1028=cut
1029
1030sub quit_character {
1031 my ($pl) = @_;
1032
1033 $pl->{deny_save} = 1;
1034 $pl->password ("*"); # this should lock out the player until we nuked the dir
1035
1036 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037 $pl->deactivate;
1038 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1039 $pl->ns->destroy if $pl->ns;
1040
1041 my $path = playerdir $pl;
1042 my $temp = "$path~$cf::RUNTIME~deleting~";
1043 aio_rename $path, $temp;
1044 delete $cf::PLAYER{$pl->ob->name};
1045 $pl->destroy;
1046 IO::AIO::aio_rmtree $temp;
1047}
1048
1049=item cf::player::list_logins
1050
1051Returns am arrayref of all valid playernames in the system, can take a
1052while and may block, so not sync_job-capable, ever.
1053
1054=cut
1055
1056sub list_logins {
1057 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1058 or return [];
1059
1060 my @logins;
1061
1062 for my $login (@$dirs) {
1063 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1064 aio_read $fh, 0, 512, my $buf, 0 or next;
1065 $buf !~ /^password -------------$/m or next; # official not-valid tag
1066
1067 utf8::decode $login;
1068 push @logins, $login;
1069 }
1070
1071 \@logins
1072}
1073
1074=item $player->maps
1075
1076Returns an arrayref of map paths that are private for this
1077player. May block.
1078
1079=cut
1080
1081sub maps($) {
1082 my ($pl) = @_;
1083
1084 $pl = ref $pl ? $pl->ob->name : $pl;
1085
1086 my $files = aio_readdir playerdir $pl
1087 or return;
1088
1089 my @paths;
1090
1091 for (@$files) {
1092 utf8::decode $_;
1093 next if /\.(?:pl|pst)$/;
1094 next unless /^$PATH_SEP/o;
1095
1096 push @paths, cf::map::normalise "~$pl/$_";
1097 }
1098
1099 \@paths
1100}
1101
1149=item $player->ext_reply ($msgid, $msgtype, %msg) 1102=item $player->ext_reply ($msgid, $msgtype, %msg)
1150 1103
1151Sends an ext reply to the player. 1104Sends an ext reply to the player.
1152 1105
1153=cut 1106=cut
1174package cf::map; 1127package cf::map;
1175 1128
1176use Fcntl; 1129use Fcntl;
1177use Coro::AIO; 1130use Coro::AIO;
1178 1131
1132use overload
1133 '""' => \&as_string,
1134 fallback => 1;
1135
1179our $MAX_RESET = 3600; 1136our $MAX_RESET = 3600;
1180our $DEFAULT_RESET = 3000; 1137our $DEFAULT_RESET = 3000;
1181 1138
1182sub generate_random_map { 1139sub generate_random_map {
1183 my ($path, $rmp) = @_; 1140 my ($self, $rmp) = @_;
1184
1185 # mit "rum" bekleckern, nicht 1141 # mit "rum" bekleckern, nicht
1186 cf::map::_create_random_map 1142 $self->_create_random_map (
1187 $path,
1188 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1143 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1144 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1145 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191 $rmp->{exit_on_final_map}, 1146 $rmp->{exit_on_final_map},
1192 $rmp->{xsize}, $rmp->{ysize}, 1147 $rmp->{xsize}, $rmp->{ysize},
1193 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1148 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1149 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1150 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1151 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1152 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198 (cf::region::find $rmp->{region}) 1153 (cf::region::find $rmp->{region}), $rmp->{custom}
1154 )
1155}
1156
1157=item cf::map->register ($regex, $prio)
1158
1159Register a handler for the map path matching the given regex at the
1160givne priority (higher is better, built-in handlers have priority 0, the
1161default).
1162
1163=cut
1164
1165sub register {
1166 my (undef, $regex, $prio) = @_;
1167 my $pkg = caller;
1168
1169 no strict;
1170 push @{"$pkg\::ISA"}, __PACKAGE__;
1171
1172 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173}
1174
1175# also paths starting with '/'
1176$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1177
1178sub thawer_merge {
1179 my ($self, $merge) = @_;
1180
1181 # we have to keep some variables in memory intact
1182 local $self->{path};
1183 local $self->{load_path};
1184 local $self->{deny_save};
1185 local $self->{deny_reset};
1186
1187 $self->SUPER::thawer_merge ($merge);
1188}
1189
1190sub normalise {
1191 my ($path, $base) = @_;
1192
1193 $path = "$path"; # make sure its a string
1194
1195 $path =~ s/\.map$//;
1196
1197 # map plan:
1198 #
1199 # /! non-realised random map exit (special hack!)
1200 # {... are special paths that are not being touched
1201 # ?xxx/... are special absolute paths
1202 # ?random/... random maps
1203 # /... normal maps
1204 # ~user/... per-player map of a specific user
1205
1206 $path =~ s/$PATH_SEP/\//go;
1207
1208 # treat it as relative path if it starts with
1209 # something that looks reasonable
1210 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1211 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1212
1213 $base =~ s{[^/]+/?$}{};
1214 $path = "$base/$path";
1215 }
1216
1217 for ($path) {
1218 redo if s{//}{/};
1219 redo if s{/\.?/}{/};
1220 redo if s{/[^/]+/\.\./}{/};
1221 }
1222
1223 $path
1224}
1225
1226sub new_from_path {
1227 my (undef, $path, $base) = @_;
1228
1229 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1230
1231 $path = normalise $path, $base;
1232
1233 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1234 if ($path =~ $EXT_MAP{$pkg}[1]) {
1235 my $self = bless cf::map::new, $pkg;
1236 $self->{path} = $path; $self->path ($path);
1237 $self->init; # pass $1 etc.
1238 return $self;
1239 }
1240 }
1241
1242 Carp::carp "unable to resolve path '$path' (base '$base').";
1243 ()
1244}
1245
1246sub init {
1247 my ($self) = @_;
1248
1249 $self
1250}
1251
1252sub as_string {
1253 my ($self) = @_;
1254
1255 "$self->{path}"
1256}
1257
1258# the displayed name, this is a one way mapping
1259sub visible_name {
1260 &as_string
1261}
1262
1263# the original (read-only) location
1264sub load_path {
1265 my ($self) = @_;
1266
1267 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1268}
1269
1270# the temporary/swap location
1271sub save_path {
1272 my ($self) = @_;
1273
1274 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1276}
1277
1278# the unique path, undef == no special unique path
1279sub uniq_path {
1280 my ($self) = @_;
1281
1282 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1199} 1284}
1200 1285
1201# and all this just because we cannot iterate over 1286# and all this just because we cannot iterate over
1202# all maps in C++... 1287# all maps in C++...
1203sub change_all_map_light { 1288sub change_all_map_light {
1205 1290
1206 $_->change_map_light ($change) 1291 $_->change_map_light ($change)
1207 for grep $_->outdoor, values %cf::MAP; 1292 for grep $_->outdoor, values %cf::MAP;
1208} 1293}
1209 1294
1295sub unlink_save {
1296 my ($self) = @_;
1297
1298 utf8::encode (my $save = $self->save_path);
1299 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301}
1302
1210sub try_load_header($) { 1303sub load_header_from($) {
1211 my ($path) = @_; 1304 my ($self, $path) = @_;
1212 1305
1213 utf8::encode $path; 1306 utf8::encode $path;
1214 aio_open $path, O_RDONLY, 0 1307 #aio_open $path, O_RDONLY, 0
1308 # or return;
1309
1310 $self->_load_header ($path)
1215 or return; 1311 or return;
1216 1312
1217 my $map = cf::map::new 1313 $self->{load_path} = $path;
1314
1315 1
1316}
1317
1318sub load_header_orig {
1319 my ($self) = @_;
1320
1321 $self->load_header_from ($self->load_path)
1322}
1323
1324sub load_header_temp {
1325 my ($self) = @_;
1326
1327 $self->load_header_from ($self->save_path)
1328}
1329
1330sub prepare_temp {
1331 my ($self) = @_;
1332
1333 $self->last_access ((delete $self->{last_access})
1334 || $cf::RUNTIME); #d#
1335 # safety
1336 $self->{instantiate_time} = $cf::RUNTIME
1337 if $self->{instantiate_time} > $cf::RUNTIME;
1338}
1339
1340sub prepare_orig {
1341 my ($self) = @_;
1342
1343 $self->{load_original} = 1;
1344 $self->{instantiate_time} = $cf::RUNTIME;
1345 $self->last_access ($cf::RUNTIME);
1346 $self->instantiate;
1347}
1348
1349sub load_header {
1350 my ($self) = @_;
1351
1352 if ($self->load_header_temp) {
1353 $self->prepare_temp;
1354 } else {
1355 $self->load_header_orig
1218 or return; 1356 or return;
1357 $self->prepare_orig;
1358 }
1219 1359
1220 # for better error messages only, will be overwritten 1360 1
1221 $map->path ($path);
1222
1223 $map->load_header ($path)
1224 or return;
1225
1226 $map->{load_path} = $path;
1227
1228 $map
1229} 1361}
1230 1362
1231sub find; 1363sub find;
1232sub find { 1364sub find {
1233 my ($path, $origin) = @_; 1365 my ($path, $origin) = @_;
1234 1366
1235 #warn "find<$path,$origin>\n";#d#
1236
1237 $path = new cf::path $path, $origin && $origin->path; 1367 $path = normalise $path, $origin && $origin->path;
1238 my $key = $path->as_string;
1239 1368
1240 cf::lock_wait "map_find:$key"; 1369 cf::lock_wait "map_find:$path";
1241 1370
1242 $cf::MAP{$key} || do { 1371 $cf::MAP{$path} || do {
1243 my $guard = cf::lock_acquire "map_find:$key"; 1372 my $guard = cf::lock_acquire "map_find:$path";
1244 1373 my $map = new_from_path cf::map $path
1245 # do it the slow way
1246 my $map = try_load_header $path->save_path;
1247
1248 Coro::cede;
1249
1250 if ($map) {
1251 $map->last_access ((delete $map->{last_access})
1252 || $cf::RUNTIME); #d#
1253 # safety
1254 $map->{instantiate_time} = $cf::RUNTIME
1255 if $map->{instantiate_time} > $cf::RUNTIME;
1256 } else {
1257 if (my $rmp = $path->random_map_params) {
1258 $map = generate_random_map $key, $rmp;
1259 } else {
1260 $map = try_load_header $path->load_path;
1261 }
1262
1263 $map or return; 1374 or return;
1264 1375
1265 $map->{load_original} = 1;
1266 $map->{instantiate_time} = $cf::RUNTIME;
1267 $map->last_access ($cf::RUNTIME);
1268 $map->instantiate;
1269
1270 # per-player maps become, after loading, normal maps
1271 $map->per_player (0) if $path->{user_rel};
1272 }
1273
1274 $map->path ($key);
1275 $map->{path} = $path;
1276 $map->{last_save} = $cf::RUNTIME; 1376 $map->{last_save} = $cf::RUNTIME;
1277 1377
1278 Coro::cede; 1378 $map->load_header
1379 or return;
1279 1380
1280 if ($map->should_reset) { 1381 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1382 # doing this can freeze the server in a sync job, obviously
1383 #$cf::WAIT_FOR_TICK->wait;
1281 $map->reset; 1384 $map->reset;
1282 undef $guard; 1385 undef $guard;
1283 $map = find $path 1386 return find $path;
1284 or return;
1285 } 1387 }
1286 1388
1287 $cf::MAP{$key} = $map 1389 $cf::MAP{$path} = $map
1288 } 1390 }
1289} 1391}
1392
1393sub pre_load { }
1394sub post_load { }
1290 1395
1291sub load { 1396sub load {
1292 my ($self) = @_; 1397 my ($self) = @_;
1293 1398
1399 local $self->{deny_reset} = 1; # loading can take a long time
1400
1294 my $path = $self->{path}; 1401 my $path = $self->{path};
1295 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1402 my $guard = cf::lock_acquire "map_load:$path";
1296 1403
1297 return if $self->in_memory != cf::MAP_SWAPPED; 1404 return if $self->in_memory != cf::MAP_SWAPPED;
1298 1405
1299 $self->in_memory (cf::MAP_LOADING); 1406 $self->in_memory (cf::MAP_LOADING);
1300 1407
1301 $self->alloc; 1408 $self->alloc;
1409
1410 $self->pre_load;
1411
1302 $self->load_objects ($self->{load_path}, 1) 1412 $self->_load_objects ($self->{load_path}, 1)
1303 or return; 1413 or return;
1304 1414
1305 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1415 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306 if delete $self->{load_original}; 1416 if delete $self->{load_original};
1307 1417
1308 if (my $uniq = $path->uniq_path) { 1418 if (my $uniq = $self->uniq_path) {
1309 utf8::encode $uniq; 1419 utf8::encode $uniq;
1310 if (aio_open $uniq, O_RDONLY, 0) { 1420 if (aio_open $uniq, O_RDONLY, 0) {
1311 $self->clear_unique_items; 1421 $self->clear_unique_items;
1312 $self->load_objects ($uniq, 0); 1422 $self->_load_objects ($uniq, 0);
1313 } 1423 }
1314 } 1424 }
1315 1425
1316 Coro::cede; 1426 Coro::cede;
1317 1427
1318 # now do the right thing for maps 1428 # now do the right thing for maps
1319 $self->link_multipart_objects; 1429 $self->link_multipart_objects;
1320 1430
1321 if ($self->{path}->is_style_map) { 1431 unless ($self->{deny_activate}) {
1322 $self->{deny_save} = 1; 1432 $self->decay_objects;
1323 $self->{deny_reset} = 1;
1324 } else {
1325 $self->fix_auto_apply; 1433 $self->fix_auto_apply;
1326 $self->decay_objects;
1327 $self->update_buttons; 1434 $self->update_buttons;
1435 Coro::cede;
1328 $self->set_darkness_map; 1436 $self->set_darkness_map;
1329 $self->difficulty ($self->estimate_difficulty) 1437 $self->difficulty ($self->estimate_difficulty)
1330 unless $self->difficulty; 1438 unless $self->difficulty;
1439 Coro::cede;
1331 $self->activate; 1440 $self->activate;
1332 } 1441 }
1333 1442
1334 Coro::cede; 1443 $self->post_load;
1335 1444
1336 $self->in_memory (cf::MAP_IN_MEMORY); 1445 $self->in_memory (cf::MAP_IN_MEMORY);
1446}
1447
1448sub customise_for {
1449 my ($self, $ob) = @_;
1450
1451 return find "~" . $ob->name . "/" . $self->{path}
1452 if $self->per_player;
1453
1454 $self
1455}
1456
1457# find and load all maps in the 3x3 area around a map
1458sub load_diag {
1459 my ($map) = @_;
1460
1461 my @diag; # diagonal neighbours
1462
1463 for (0 .. 3) {
1464 my $neigh = $map->tile_path ($_)
1465 or next;
1466 $neigh = find $neigh, $map
1467 or next;
1468 $neigh->load;
1469
1470 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1471 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1472 }
1473
1474 for (@diag) {
1475 my $neigh = find @$_
1476 or next;
1477 $neigh->load;
1478 }
1337} 1479}
1338 1480
1339sub find_sync { 1481sub find_sync {
1340 my ($path, $origin) = @_; 1482 my ($path, $origin) = @_;
1341 1483
1342 cf::sync_job { cf::map::find $path, $origin } 1484 cf::sync_job { find $path, $origin }
1343} 1485}
1344 1486
1345sub do_load_sync { 1487sub do_load_sync {
1346 my ($map) = @_; 1488 my ($map) = @_;
1347 1489
1348 cf::sync_job { $map->load }; 1490 cf::sync_job { $map->load };
1349} 1491}
1350 1492
1493our %MAP_PREFETCH;
1494our $MAP_PREFETCHER = undef;
1495
1496sub find_async {
1497 my ($path, $origin) = @_;
1498
1499 $path = normalise $path, $origin && $origin->{path};
1500
1501 if (my $map = $cf::MAP{$path}) {
1502 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1503 }
1504
1505 undef $MAP_PREFETCH{$path};
1506 $MAP_PREFETCHER ||= cf::async {
1507 while (%MAP_PREFETCH) {
1508 for my $path (keys %MAP_PREFETCH) {
1509 my $map = find $path
1510 or next;
1511 $map->load;
1512
1513 delete $MAP_PREFETCH{$path};
1514 }
1515 }
1516 undef $MAP_PREFETCHER;
1517 };
1518 $MAP_PREFETCHER->prio (6);
1519
1520 ()
1521}
1522
1351sub save { 1523sub save {
1352 my ($self) = @_; 1524 my ($self) = @_;
1353 1525
1354 my $lock = cf::lock_acquire "map_data:" . $self->path; 1526 my $lock = cf::lock_acquire "map_data:" . $self->path;
1355 1527
1356 $self->{last_save} = $cf::RUNTIME; 1528 $self->{last_save} = $cf::RUNTIME;
1357 1529
1358 return unless $self->dirty; 1530 return unless $self->dirty;
1359 1531
1360 my $save = $self->{path}->save_path; utf8::encode $save; 1532 my $save = $self->save_path; utf8::encode $save;
1361 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1533 my $uniq = $self->uniq_path; utf8::encode $uniq;
1362 1534
1363 $self->{load_path} = $save; 1535 $self->{load_path} = $save;
1364 1536
1365 return if $self->{deny_save}; 1537 return if $self->{deny_save};
1366 1538
1369 cf::async { 1541 cf::async {
1370 $_->contr->save for $self->players; 1542 $_->contr->save for $self->players;
1371 }; 1543 };
1372 1544
1373 if ($uniq) { 1545 if ($uniq) {
1374 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1546 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375 $self->save_objects ($uniq, cf::IO_UNIQUES); 1547 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1376 } else { 1548 } else {
1377 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1549 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378 } 1550 }
1379} 1551}
1380 1552
1381sub swap_out { 1553sub swap_out {
1382 my ($self) = @_; 1554 my ($self) = @_;
1396 1568
1397sub reset_at { 1569sub reset_at {
1398 my ($self) = @_; 1570 my ($self) = @_;
1399 1571
1400 # TODO: safety, remove and allow resettable per-player maps 1572 # TODO: safety, remove and allow resettable per-player maps
1401 return 1e99 if $self->{path}{user_rel}; 1573 return 1e99 if $self->isa ("ext::map_per_player");#d#
1402 return 1e99 if $self->{deny_reset}; 1574 return 1e99 if $self->{deny_reset};
1403 1575
1404 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1576 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1577 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406 1578
1411 my ($self) = @_; 1583 my ($self) = @_;
1412 1584
1413 $self->reset_at <= $cf::RUNTIME 1585 $self->reset_at <= $cf::RUNTIME
1414} 1586}
1415 1587
1416sub unlink_save {
1417 my ($self) = @_;
1418
1419 utf8::encode (my $save = $self->{path}->save_path);
1420 aioreq_pri 3; IO::AIO::aio_unlink $save;
1421 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422}
1423
1424sub rename {
1425 my ($self, $new_path) = @_;
1426
1427 $self->unlink_save;
1428
1429 delete $cf::MAP{$self->path};
1430 $self->{path} = new cf::path $new_path;
1431 $self->path ($self->{path}->as_string);
1432 $cf::MAP{$self->path} = $self;
1433
1434 $self->save;
1435}
1436
1437sub reset { 1588sub reset {
1438 my ($self) = @_; 1589 my ($self) = @_;
1439 1590
1440 my $lock = cf::lock_acquire "map_data:" . $self->path; 1591 my $lock = cf::lock_acquire "map_data:$self->{path}";
1441 1592
1442 return if $self->players; 1593 return if $self->players;
1443 return if $self->{path}{user_rel};#d# 1594 return if $self->isa ("ext::map_per_player");#d#
1444 1595
1445 warn "resetting map ", $self->path;#d# 1596 warn "resetting map ", $self->path;#d#
1446 1597
1598 $self->in_memory (cf::MAP_SWAPPED);
1599
1600 # need to save uniques path
1601 unless ($self->{deny_save}) {
1602 my $uniq = $self->uniq_path; utf8::encode $uniq;
1603
1604 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1605 if $uniq;
1606 }
1607
1447 delete $cf::MAP{$self->path}; 1608 delete $cf::MAP{$self->path};
1609
1610 $self->clear;
1448 1611
1449 $_->clear_links_to ($self) for values %cf::MAP; 1612 $_->clear_links_to ($self) for values %cf::MAP;
1450 1613
1451 $self->unlink_save; 1614 $self->unlink_save;
1452 $self->destroy; 1615 $self->destroy;
1455my $nuke_counter = "aaaa"; 1618my $nuke_counter = "aaaa";
1456 1619
1457sub nuke { 1620sub nuke {
1458 my ($self) = @_; 1621 my ($self) = @_;
1459 1622
1623 delete $cf::MAP{$self->path};
1624
1625 $self->unlink_save;
1626
1627 bless $self, "cf::map";
1628 delete $self->{deny_reset};
1460 $self->{deny_save} = 1; 1629 $self->{deny_save} = 1;
1461 $self->reset_timeout (1); 1630 $self->reset_timeout (1);
1462 $self->rename ("{nuke}/" . ($nuke_counter++)); 1631 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632
1633 $cf::MAP{$self->path} = $self;
1634
1463 $self->reset; # polite request, might not happen 1635 $self->reset; # polite request, might not happen
1464} 1636}
1465 1637
1466sub customise_for { 1638=item cf::map::unique_maps
1467 my ($map, $ob) = @_;
1468 1639
1469 if ($map->per_player) { 1640Returns an arrayref of paths of all shared maps that have
1470 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1641instantiated unique items. May block.
1471 }
1472 1642
1473 $map 1643=cut
1474}
1475 1644
1476sub emergency_save { 1645sub unique_maps() {
1477 my $freeze_guard = cf::freeze_mainloop; 1646 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1647 or return;
1478 1648
1479 warn "enter emergency perl save\n"; 1649 my @paths;
1480 1650
1481 cf::sync_job { 1651 for (@$files) {
1482 warn "begin emergency player save\n"; 1652 utf8::decode $_;
1483 $_->save for values %cf::PLAYER; 1653 next if /\.pst$/;
1484 warn "end emergency player save\n"; 1654 next unless /^$PATH_SEP/o;
1485 1655
1486 warn "begin emergency map save\n"; 1656 push @paths, cf::map::normalise $_;
1487 $_->save for values %cf::MAP;
1488 warn "end emergency map save\n";
1489 }; 1657 }
1490 1658
1491 warn "leave emergency perl save\n"; 1659 \@paths
1492} 1660}
1493 1661
1494package cf; 1662package cf;
1495 1663
1496=back 1664=back
1497 1665
1666=head3 cf::object
1667
1668=cut
1669
1670package cf::object;
1671
1672=over 4
1673
1674=item $ob->inv_recursive
1675
1676Returns the inventory of the object _and_ their inventories, recursively.
1677
1678=cut
1679
1680sub inv_recursive_;
1681sub inv_recursive_ {
1682 map { $_, inv_recursive_ $_->inv } @_
1683}
1684
1685sub inv_recursive {
1686 inv_recursive_ inv $_[0]
1687}
1688
1689package cf;
1690
1691=back
1498 1692
1499=head3 cf::object::player 1693=head3 cf::object::player
1500 1694
1501=over 4 1695=over 4
1502 1696
1542 1736
1543=item $player_object->enter_link 1737=item $player_object->enter_link
1544 1738
1545Freezes the player and moves him/her to a special map (C<{link}>). 1739Freezes the player and moves him/her to a special map (C<{link}>).
1546 1740
1547The player should be reaosnably safe there for short amounts of time. You 1741The player should be reasonably safe there for short amounts of time. You
1548I<MUST> call C<leave_link> as soon as possible, though. 1742I<MUST> call C<leave_link> as soon as possible, though.
1549 1743
1744Will never block.
1745
1550=item $player_object->leave_link ($map, $x, $y) 1746=item $player_object->leave_link ($map, $x, $y)
1551 1747
1552Moves the player out of the specila link map onto the given map. If the 1748Moves the player out of the special C<{link}> map onto the specified
1553map is not valid (or omitted), the player will be moved back to the 1749map. If the map is not valid (or omitted), the player will be moved back
1554location he/she was before the call to C<enter_link>, or, if that fails, 1750to the location he/she was before the call to C<enter_link>, or, if that
1555to the emergency map position. 1751fails, to the emergency map position.
1556 1752
1557Might block. 1753Might block.
1558 1754
1559=cut 1755=cut
1756
1757sub link_map {
1758 unless ($LINK_MAP) {
1759 $LINK_MAP = cf::map::find "{link}"
1760 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1761 $LINK_MAP->load;
1762 }
1763
1764 $LINK_MAP
1765}
1560 1766
1561sub cf::object::player::enter_link { 1767sub cf::object::player::enter_link {
1562 my ($self) = @_; 1768 my ($self) = @_;
1563 1769
1564 $self->deactivate_recursive; 1770 $self->deactivate_recursive;
1565 1771
1566 return if $self->map == $LINK_MAP; 1772 return if UNIVERSAL::isa $self->map, "ext::map_link";
1567 1773
1568 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1774 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1569 if $self->map; 1775 if $self->map;
1570 1776
1571 $self->enter_map ($LINK_MAP, 20, 20); 1777 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1572} 1778}
1573 1779
1574sub cf::object::player::leave_link { 1780sub cf::object::player::leave_link {
1575 my ($self, $map, $x, $y) = @_; 1781 my ($self, $map, $x, $y) = @_;
1576 1782
1594 # use -1 or undef as default coordinates, not 0, 0 1800 # use -1 or undef as default coordinates, not 0, 0
1595 ($x, $y) = ($map->enter_x, $map->enter_y) 1801 ($x, $y) = ($map->enter_x, $map->enter_y)
1596 if $x <=0 && $y <= 0; 1802 if $x <=0 && $y <= 0;
1597 1803
1598 $map->load; 1804 $map->load;
1805 $map->load_diag;
1599 1806
1600 return unless $self->contr->active; 1807 return unless $self->contr->active;
1601 $self->activate_recursive; 1808 $self->activate_recursive;
1809
1810 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1602 $self->enter_map ($map, $x, $y); 1811 $self->enter_map ($map, $x, $y);
1603} 1812}
1604 1813
1605cf::player->attach ( 1814cf::player->attach (
1606 on_logout => sub { 1815 on_logout => sub {
1619 # try to abort aborted map switching on player login :) 1828 # try to abort aborted map switching on player login :)
1620 # should happen only on crashes 1829 # should happen only on crashes
1621 if ($pl->ob->{_link_pos}) { 1830 if ($pl->ob->{_link_pos}) {
1622 $pl->ob->enter_link; 1831 $pl->ob->enter_link;
1623 (async { 1832 (async {
1624 # we need this sleep as the login has a concurrent enter_exit running
1625 # and this sleep increases chances of the player not ending up in scorn
1626 $pl->ob->reply (undef, 1833 $pl->ob->reply (undef,
1627 "There was an internal problem at your last logout, " 1834 "There was an internal problem at your last logout, "
1628 . "the server will try to bring you to your intended destination in a second.", 1835 . "the server will try to bring you to your intended destination in a second.",
1629 cf::NDI_RED); 1836 cf::NDI_RED);
1837 # we need this sleep as the login has a concurrent enter_exit running
1838 # and this sleep increases chances of the player not ending up in scorn
1630 Coro::Timer::sleep 1; 1839 Coro::Timer::sleep 1;
1631 $pl->ob->leave_link; 1840 $pl->ob->leave_link;
1632 })->prio (2); 1841 })->prio (2);
1633 } 1842 }
1634 }, 1843 },
1642 my ($self, $path, $x, $y) = @_; 1851 my ($self, $path, $x, $y) = @_;
1643 1852
1644 $self->enter_link; 1853 $self->enter_link;
1645 1854
1646 (async { 1855 (async {
1647 $path = new cf::path $path; 1856 my $map = eval {
1648
1649 my $map = cf::map::find $path->as_string; 1857 my $map = cf::map::find $path;
1650 $map = $map->customise_for ($self) if $map; 1858 $map = $map->customise_for ($self) if $map;
1651 1859 $map
1652# warn "entering ", $map->path, " at ($x, $y)\n" 1860 } or
1653# if $map;
1654
1655 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1861 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1656 1862
1657 $self->leave_link ($map, $x, $y); 1863 $self->leave_link ($map, $x, $y);
1658 })->prio (1); 1864 })->prio (1);
1659} 1865}
1660 1866
1664 1870
1665sub parse_random_map_params { 1871sub parse_random_map_params {
1666 my ($spec) = @_; 1872 my ($spec) = @_;
1667 1873
1668 my $rmp = { # defaults 1874 my $rmp = { # defaults
1669 xsize => 10, 1875 xsize => (cf::rndm 15, 40),
1670 ysize => 10, 1876 ysize => (cf::rndm 15, 40),
1877 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1878 #layout => string,
1671 }; 1879 };
1672 1880
1673 for (split /\n/, $spec) { 1881 for (split /\n/, $spec) {
1674 my ($k, $v) = split /\s+/, $_, 2; 1882 my ($k, $v) = split /\s+/, $_, 2;
1675 1883
1679 $rmp 1887 $rmp
1680} 1888}
1681 1889
1682sub prepare_random_map { 1890sub prepare_random_map {
1683 my ($exit) = @_; 1891 my ($exit) = @_;
1892
1893 my $guard = cf::lock_acquire "exit_prepare:$exit";
1684 1894
1685 # all this does is basically replace the /! path by 1895 # all this does is basically replace the /! path by
1686 # a new random map path (?random/...) with a seed 1896 # a new random map path (?random/...) with a seed
1687 # that depends on the exit object 1897 # that depends on the exit object
1688 1898
1689 my $rmp = parse_random_map_params $exit->msg; 1899 my $rmp = parse_random_map_params $exit->msg;
1690 1900
1691 if ($exit->map) { 1901 if ($exit->map) {
1692 $rmp->{region} = $exit->map->region_name; 1902 $rmp->{region} = $exit->region->name;
1693 $rmp->{origin_map} = $exit->map->path; 1903 $rmp->{origin_map} = $exit->map->path;
1694 $rmp->{origin_x} = $exit->x; 1904 $rmp->{origin_x} = $exit->x;
1695 $rmp->{origin_y} = $exit->y; 1905 $rmp->{origin_y} = $exit->y;
1696 } 1906 }
1697 1907
1698 $rmp->{random_seed} ||= $exit->random_seed; 1908 $rmp->{random_seed} ||= $exit->random_seed;
1699 1909
1700 my $data = cf::to_json $rmp; 1910 my $data = cf::to_json $rmp;
1701 my $md5 = Digest::MD5::md5_hex $data; 1911 my $md5 = Digest::MD5::md5_hex $data;
1912 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1702 1913
1703 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1914 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1704 aio_write $fh, 0, (length $data), $data, 0; 1915 aio_write $fh, 0, (length $data), $data, 0;
1916 undef $fh;
1917 aio_rename "$meta~", $meta;
1705 1918
1706 $exit->slaying ("?random/$md5"); 1919 $exit->slaying ("?random/$md5");
1707 $exit->msg (undef); 1920 $exit->msg (undef);
1708 } 1921 }
1709} 1922}
1710 1923
1711sub cf::object::player::enter_exit { 1924sub cf::object::player::enter_exit {
1712 my ($self, $exit) = @_; 1925 my ($self, $exit) = @_;
1713 1926
1714 return unless $self->type == cf::PLAYER; 1927 return unless $self->type == cf::PLAYER;
1928
1929 if ($exit->slaying eq "/!") {
1930 #TODO: this should de-fi-ni-te-ly not be a sync-job
1931 cf::sync_job { prepare_random_map $exit };
1932 }
1933
1934 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935 my $hp = $exit->stats->hp;
1936 my $sp = $exit->stats->sp;
1715 1937
1716 $self->enter_link; 1938 $self->enter_link;
1717 1939
1718 (async { 1940 (async {
1719 $self->deactivate_recursive; # just to be sure 1941 $self->deactivate_recursive; # just to be sure
1720 unless (eval { 1942 unless (eval {
1721 prepare_random_map $exit 1943 $self->goto ($slaying, $hp, $sp);
1722 if $exit->slaying eq "/!";
1723
1724 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1725 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1726 1944
1727 1; 1945 1;
1728 }) { 1946 }) {
1729 $self->message ("Something went wrong deep within the crossfire server. " 1947 $self->message ("Something went wrong deep within the crossfire server. "
1730 . "I'll try to bring you back to the map you were before. " 1948 . "I'll try to bring you back to the map you were before. "
1731 . "Please report this to the dungeon master", 1949 . "Please report this to the dungeon master!",
1732 cf::NDI_UNIQUE | cf::NDI_RED); 1950 cf::NDI_UNIQUE | cf::NDI_RED);
1733 1951
1734 warn "ERROR in enter_exit: $@"; 1952 warn "ERROR in enter_exit: $@";
1735 $self->leave_link; 1953 $self->leave_link;
1736 } 1954 }
1791 # get handled first 2009 # get handled first
1792 my $queue = delete $ns->{query_queue} 2010 my $queue = delete $ns->{query_queue}
1793 or return; # be conservative, not sure how that can happen, but we saw a crash here 2011 or return; # be conservative, not sure how that can happen, but we saw a crash here
1794 2012
1795 (shift @$queue)->[1]->($msg); 2013 (shift @$queue)->[1]->($msg);
2014 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1796 2015
1797 push @{ $ns->{query_queue} }, @$queue; 2016 push @{ $ns->{query_queue} }, @$queue;
1798 2017
1799 if (@{ $ns->{query_queue} } == @$queue) { 2018 if (@{ $ns->{query_queue} } == @$queue) {
1800 if (@$queue) { 2019 if (@$queue) {
1961The parameter C<$family> should best start with the name of the extension 2180The parameter C<$family> should best start with the name of the extension
1962using it, it should be unique. 2181using it, it should be unique.
1963 2182
1964=over 4 2183=over 4
1965 2184
1966=item $hashref = cf::db_get $family
1967
1968Return a hashref for use by the extension C<$family>, which can be
1969modified. After modifications, you have to call C<cf::db_dirty> or
1970C<cf::db_sync>.
1971
1972=item $value = cf::db_get $family => $key 2185=item $value = cf::db_get $family => $key
1973 2186
1974Returns a single value from the database 2187Returns a single value from the database.
1975
1976=item cf::db_put $family => $hashref
1977
1978Stores the given family hashref into the database. Updates are delayed, if
1979you want the data to be synced to disk immediately, use C<cf::db_sync>.
1980 2188
1981=item cf::db_put $family => $key => $value 2189=item cf::db_put $family => $key => $value
1982 2190
1983Stores the given C<$value> in the family hash. Updates are delayed, if you 2191Stores the given C<$value> in the family.
1984want the data to be synced to disk immediately, use C<cf::db_sync>.
1985
1986=item cf::db_dirty
1987
1988Marks the database as dirty, to be updated at a later time.
1989
1990=item cf::db_sync
1991
1992Immediately write the database to disk I<if it is dirty>.
1993 2192
1994=cut 2193=cut
1995 2194
1996our $DB; 2195our $DB;
1997 2196
1998{ 2197sub db_init {
2198 unless ($DB) {
2199 $DB = BDB::db_create $DB_ENV;
2200
2201 cf::sync_job {
2202 eval {
2203 $DB->set_flags (BDB::CHKSUM);
2204
2205 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207 cf::cleanup "db_open(db): $!" if $!;
2208 };
2209 cf::cleanup "db_open(db): $@" if $@;
2210 };
2211
1999 my $path = cf::localdir . "/database.pst"; 2212 my $path = cf::localdir . "/database.pst";
2213 if (stat $path) {
2214 cf::sync_job {
2215 my $pst = Storable::retrieve $path;
2000 2216
2001 sub db_load() { 2217 cf::db_put (board => data => $pst->{board});
2002 $DB = stat $path ? Storable::retrieve $path : { }; 2218 cf::db_put (guildrules => data => $pst->{guildrules});
2003 } 2219 cf::db_put (rent => balance => $pst->{rent}{balance});
2220 BDB::db_env_txn_checkpoint $DB_ENV;
2004 2221
2005 my $pid; 2222 unlink $path;
2006
2007 sub db_save() {
2008 waitpid $pid, 0 if $pid;
2009 if (0 == ($pid = fork)) {
2010 $DB->{_meta}{version} = 1;
2011 Storable::nstore $DB, "$path~";
2012 rename "$path~", $path;
2013 cf::_exit 0 if defined $pid;
2014 } 2223 };
2015 }
2016
2017 my $dirty;
2018
2019 sub db_sync() {
2020 db_save if $dirty;
2021 undef $dirty;
2022 }
2023
2024 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2025 db_sync;
2026 });
2027
2028 sub db_dirty() {
2029 $dirty = 1;
2030 $idle->start;
2031 }
2032
2033 sub db_get($;$) {
2034 @_ >= 2
2035 ? $DB->{$_[0]}{$_[1]}
2036 : ($DB->{$_[0]} ||= { })
2037 }
2038
2039 sub db_put($$;$) {
2040 if (@_ >= 3) {
2041 $DB->{$_[0]}{$_[1]} = $_[2];
2042 } else {
2043 $DB->{$_[0]} = $_[1];
2044 }
2045 db_dirty;
2046 }
2047
2048 cf::global->attach (
2049 prio => 10000,
2050 on_cleanup => sub {
2051 db_sync;
2052 }, 2224 }
2053 ); 2225 }
2226}
2227
2228sub db_get($$) {
2229 my $key = "$_[0]/$_[1]";
2230
2231 cf::sync_job {
2232 BDB::db_get $DB, undef, $key, my $data;
2233
2234 $! ? ()
2235 : Compress::LZF::sthaw $data
2236 }
2237}
2238
2239sub db_put($$$) {
2240 BDB::dbreq_pri 4;
2241 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2054} 2242}
2055 2243
2056############################################################################# 2244#############################################################################
2057# the server's main() 2245# the server's init and main functions
2246
2247sub init_resources {
2248 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2249 or die "unable to load regions file\n";#d#
2250}
2058 2251
2059sub cfg_load { 2252sub cfg_load {
2060 open my $fh, "<:utf8", cf::confdir . "/config" 2253 open my $fh, "<:utf8", cf::confdir . "/config"
2061 or return; 2254 or return;
2062 2255
2068 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2261 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2069 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2262 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2070 2263
2071 if (exists $CFG{mlockall}) { 2264 if (exists $CFG{mlockall}) {
2072 eval { 2265 eval {
2073 $CFG{mlockall} ? &mlockall : &munlockall 2266 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2074 and die "WARNING: m(un)lockall failed: $!\n"; 2267 and die "WARNING: m(un)lockall failed: $!\n";
2075 }; 2268 };
2076 warn $@ if $@; 2269 warn $@ if $@;
2077 } 2270 }
2271}
2272
2273sub init {
2274 init_resources;
2078} 2275}
2079 2276
2080sub main { 2277sub main {
2081 # we must not ever block the main coroutine 2278 # we must not ever block the main coroutine
2082 local $Coro::idle = sub { 2279 local $Coro::idle = sub {
2083 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2280 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281 (async {
2084 async { Event::one_event }; 2282 Event::one_event;
2283 })->prio (Coro::PRIO_MAX);
2085 }; 2284 };
2086 2285
2087 cfg_load; 2286 cfg_load;
2088 db_load; 2287 db_init;
2089 load_extensions; 2288 load_extensions;
2289
2290 $TICK_WATCHER->start;
2090 Event::loop; 2291 Event::loop;
2091} 2292}
2092 2293
2093############################################################################# 2294#############################################################################
2094# initialisation 2295# initialisation and cleanup
2296
2297# install some emergency cleanup handlers
2298BEGIN {
2299 for my $signal (qw(INT HUP TERM)) {
2300 Event->signal (
2301 reentrant => 0,
2302 data => WF_AUTOCANCEL,
2303 signal => $signal,
2304 prio => 0,
2305 cb => sub {
2306 cf::cleanup "SIG$signal";
2307 },
2308 );
2309 }
2310}
2311
2312sub emergency_save() {
2313 my $freeze_guard = cf::freeze_mainloop;
2314
2315 warn "enter emergency perl save\n";
2316
2317 cf::sync_job {
2318 # use a peculiar iteration method to avoid tripping on perl
2319 # refcount bugs in for. also avoids problems with players
2320 # and maps saved/destroyed asynchronously.
2321 warn "begin emergency player save\n";
2322 for my $login (keys %cf::PLAYER) {
2323 my $pl = $cf::PLAYER{$login} or next;
2324 $pl->valid or next;
2325 $pl->save;
2326 }
2327 warn "end emergency player save\n";
2328
2329 warn "begin emergency map save\n";
2330 for my $path (keys %cf::MAP) {
2331 my $map = $cf::MAP{$path} or next;
2332 $map->valid or next;
2333 $map->save;
2334 }
2335 warn "end emergency map save\n";
2336
2337 warn "begin emergency database checkpoint\n";
2338 BDB::db_env_txn_checkpoint $DB_ENV;
2339 warn "end emergency database checkpoint\n";
2340 };
2341
2342 warn "leave emergency perl save\n";
2343}
2344
2345sub post_cleanup {
2346 my ($make_core) = @_;
2347
2348 warn Carp::longmess "post_cleanup backtrace"
2349 if $make_core;
2350}
2095 2351
2096sub reload() { 2352sub reload() {
2097 # can/must only be called in main 2353 # can/must only be called in main
2098 if ($Coro::current != $Coro::main) { 2354 if ($Coro::current != $Coro::main) {
2099 warn "can only reload from main coroutine\n"; 2355 warn "can only reload from main coroutine";
2100 return; 2356 return;
2101 } 2357 }
2102 2358
2103 warn "reloading..."; 2359 warn "reloading...";
2104 2360
2105 my $guard = freeze_mainloop; 2361 warn "entering sync_job";
2362
2363 cf::sync_job {
2364 cf::write_runtime; # external watchdog should not bark
2106 cf::emergency_save; 2365 cf::emergency_save;
2366 cf::write_runtime; # external watchdog should not bark
2107 2367
2108 eval { 2368 warn "syncing database to disk";
2369 BDB::db_env_txn_checkpoint $DB_ENV;
2370
2109 # if anything goes wrong in here, we should simply crash as we already saved 2371 # if anything goes wrong in here, we should simply crash as we already saved
2110 2372
2111 # cancel all watchers 2373 warn "cancelling all WF_AUTOCANCEL watchers";
2112 for (Event::all_watchers) { 2374 for (Event::all_watchers) {
2113 $_->cancel if $_->data & WF_AUTOCANCEL; 2375 $_->cancel if $_->data & WF_AUTOCANCEL;
2114 } 2376 }
2115 2377
2378 warn "flushing outstanding aio requests";
2379 for (;;) {
2380 BDB::flush;
2381 IO::AIO::flush;
2382 Coro::cede;
2383 last unless IO::AIO::nreqs || BDB::nreqs;
2384 warn "iterate...";
2385 }
2386
2116 # cancel all extension coros 2387 warn "cancelling all extension coros";
2117 $_->cancel for values %EXT_CORO; 2388 $_->cancel for values %EXT_CORO;
2118 %EXT_CORO = (); 2389 %EXT_CORO = ();
2119 2390
2120 # unload all extensions 2391 warn "removing commands";
2121 for (@exts) { 2392 %COMMAND = ();
2393
2394 warn "removing ext commands";
2395 %EXTCMD = ();
2396
2397 warn "unloading/nuking all extensions";
2398 for my $pkg (@EXTS) {
2122 warn "unloading <$_>"; 2399 warn "... unloading $pkg";
2123 unload_extension $_; 2400
2401 if (my $cb = $pkg->can ("unload")) {
2402 eval {
2403 $cb->($pkg);
2404 1
2405 } or warn "$pkg unloaded, but with errors: $@";
2124 } 2406 }
2125 2407
2408 warn "... nuking $pkg";
2409 Symbol::delete_package $pkg;
2410 }
2411
2126 # unload all modules loaded from $LIBDIR 2412 warn "unloading all perl modules loaded from $LIBDIR";
2127 while (my ($k, $v) = each %INC) { 2413 while (my ($k, $v) = each %INC) {
2128 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2414 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2129 2415
2130 warn "removing <$k>"; 2416 warn "... unloading $k";
2131 delete $INC{$k}; 2417 delete $INC{$k};
2132 2418
2133 $k =~ s/\.pm$//; 2419 $k =~ s/\.pm$//;
2134 $k =~ s/\//::/g; 2420 $k =~ s/\//::/g;
2135 2421
2138 } 2424 }
2139 2425
2140 Symbol::delete_package $k; 2426 Symbol::delete_package $k;
2141 } 2427 }
2142 2428
2143 # sync database to disk
2144 cf::db_sync;
2145 IO::AIO::flush;
2146
2147 # get rid of safe::, as good as possible 2429 warn "getting rid of safe::, as good as possible";
2148 Symbol::delete_package "safe::$_" 2430 Symbol::delete_package "safe::$_"
2149 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2431 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2150 2432
2151 # remove register_script_function callbacks
2152 # TODO
2153
2154 # unload cf.pm "a bit" 2433 warn "unloading cf.pm \"a bit\"";
2155 delete $INC{"cf.pm"}; 2434 delete $INC{"cf.pm"};
2156 2435
2157 # don't, removes xs symbols, too, 2436 # don't, removes xs symbols, too,
2158 # and global variables created in xs 2437 # and global variables created in xs
2159 #Symbol::delete_package __PACKAGE__; 2438 #Symbol::delete_package __PACKAGE__;
2160 2439
2161 # reload cf.pm 2440 warn "unload completed, starting to reload now";
2441
2162 warn "reloading cf.pm"; 2442 warn "reloading cf.pm";
2163 require cf; 2443 require cf;
2164 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2444 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2165 2445
2166 # load config and database again 2446 warn "loading config and database again";
2167 cf::cfg_load; 2447 cf::cfg_load;
2168 cf::db_load;
2169 2448
2170 # load extensions
2171 warn "load extensions"; 2449 warn "loading extensions";
2172 cf::load_extensions; 2450 cf::load_extensions;
2173 2451
2174 # reattach attachments to objects 2452 warn "reattaching attachments to objects/players";
2175 warn "reattach";
2176 _global_reattach; 2453 _global_reattach;
2454 warn "reattaching attachments to maps";
2177 reattach $_ for values %MAP; 2455 reattach $_ for values %MAP;
2178 };
2179 2456
2180 if ($@) { 2457 warn "loading reloadable resources";
2458 init_resources;
2459
2460 warn "leaving sync_job";
2461
2462 1
2463 } or do {
2181 warn $@; 2464 warn $@;
2182 warn "error while reloading, exiting."; 2465 warn "error while reloading, exiting.";
2183 exit 1; 2466 exit 1;
2184 } 2467 };
2185 2468
2186 warn "reloaded successfully"; 2469 warn "reloaded";
2187}; 2470};
2188 2471
2189############################################################################# 2472our $RELOAD_WATCHER; # used only during reload
2190
2191unless ($LINK_MAP) {
2192 $LINK_MAP = cf::map::new;
2193
2194 $LINK_MAP->width (41);
2195 $LINK_MAP->height (41);
2196 $LINK_MAP->alloc;
2197 $LINK_MAP->path ("{link}");
2198 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2199 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2200
2201 # dirty hack because... archetypes are not yet loaded
2202 Event->timer (
2203 after => 10,
2204 cb => sub {
2205 $_[0]->w->cancel;
2206
2207 # provide some exits "home"
2208 my $exit = cf::object::new "exit";
2209
2210 $exit->slaying ($EMERGENCY_POSITION->[0]);
2211 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2212 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2213
2214 $LINK_MAP->insert ($exit->clone, 19, 19);
2215 $LINK_MAP->insert ($exit->clone, 19, 20);
2216 $LINK_MAP->insert ($exit->clone, 19, 21);
2217 $LINK_MAP->insert ($exit->clone, 20, 19);
2218 $LINK_MAP->insert ($exit->clone, 20, 21);
2219 $LINK_MAP->insert ($exit->clone, 21, 19);
2220 $LINK_MAP->insert ($exit->clone, 21, 20);
2221 $LINK_MAP->insert ($exit->clone, 21, 21);
2222
2223 $exit->destroy;
2224 });
2225
2226 $LINK_MAP->{deny_save} = 1;
2227 $LINK_MAP->{deny_reset} = 1;
2228
2229 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2230}
2231
2232register "<global>", __PACKAGE__;
2233 2473
2234register_command "reload" => sub { 2474register_command "reload" => sub {
2235 my ($who, $arg) = @_; 2475 my ($who, $arg) = @_;
2236 2476
2237 if ($who->flag (FLAG_WIZ)) { 2477 if ($who->flag (FLAG_WIZ)) {
2238 $who->message ("start of reload."); 2478 $who->message ("reloading server.");
2479
2480 # doing reload synchronously and two reloads happen back-to-back,
2481 # coro crashes during coro_state_free->destroy here.
2482
2483 $RELOAD_WATCHER ||= Event->timer (
2484 reentrant => 0,
2485 after => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => sub {
2239 reload; 2488 reload;
2240 $who->message ("end of reload."); 2489 undef $RELOAD_WATCHER;
2490 },
2491 );
2241 } 2492 }
2242}; 2493};
2243 2494
2244unshift @INC, $LIBDIR; 2495unshift @INC, $LIBDIR;
2496
2497my $bug_warning = 0;
2245 2498
2246$TICK_WATCHER = Event->timer ( 2499$TICK_WATCHER = Event->timer (
2247 reentrant => 0, 2500 reentrant => 0,
2501 parked => 1,
2248 prio => 0, 2502 prio => 0,
2249 at => $NEXT_TICK || $TICK, 2503 at => $NEXT_TICK || $TICK,
2250 data => WF_AUTOCANCEL, 2504 data => WF_AUTOCANCEL,
2251 cb => sub { 2505 cb => sub {
2506 if ($Coro::current != $Coro::main) {
2507 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508 unless ++$bug_warning > 10;
2509 return;
2510 }
2511
2512 $NOW = Event::time;
2513
2252 cf::server_tick; # one server iteration 2514 cf::server_tick; # one server iteration
2253 $RUNTIME += $TICK; 2515 $RUNTIME += $TICK;
2254 $NEXT_TICK += $TICK; 2516 $NEXT_TICK += $TICK;
2517
2518 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519 $NEXT_RUNTIME_WRITE = $NOW + 10;
2520 Coro::async_pool {
2521 write_runtime
2522 or warn "ERROR: unable to write runtime file: $!";
2523 };
2524 }
2525
2526
2527 $WAIT_FOR_TICK->broadcast;
2528 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530# my $AFTER = Event::time;
2531# warn $AFTER - $NOW;#d#
2255 2532
2256 # if we are delayed by four ticks or more, skip them all 2533 # if we are delayed by four ticks or more, skip them all
2257 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2534 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2258 2535
2259 $TICK_WATCHER->at ($NEXT_TICK); 2536 $TICK_WATCHER->at ($NEXT_TICK);
2260 $TICK_WATCHER->start; 2537 $TICK_WATCHER->start;
2261 }, 2538 },
2262); 2539);
2263 2540
2541{
2264IO::AIO::max_poll_time $TICK * 0.2; 2542 BDB::max_poll_time $TICK * 0.1;
2265 2543 $BDB_POLL_WATCHER = Event->io (
2266Event->io ( 2544 reentrant => 0,
2267 fd => IO::AIO::poll_fileno, 2545 fd => BDB::poll_fileno,
2268 poll => 'r', 2546 poll => 'r',
2269 prio => 5, 2547 prio => 0,
2270 data => WF_AUTOCANCEL,
2271 cb => \&IO::AIO::poll_cb,
2272);
2273
2274Event->timer (
2275 data => WF_AUTOCANCEL, 2548 data => WF_AUTOCANCEL,
2276 after => 0, 2549 cb => \&BDB::poll_cb,
2277 interval => 10, 2550 );
2278 cb => sub { 2551 BDB::min_parallel 8;
2279 (Coro::unblock_sub { 2552
2280 write_runtime 2553 BDB::set_sync_prepare {
2281 or warn "ERROR: unable to write runtime file: $!"; 2554 my $status;
2555 my $current = $Coro::current;
2556 (
2557 sub {
2558 $status = $!;
2559 $current->ready; undef $current;
2560 },
2561 sub {
2562 Coro::schedule while defined $current;
2563 $! = $status;
2564 },
2565 )
2566 };
2567
2568 unless ($DB_ENV) {
2569 $DB_ENV = BDB::db_env_create;
2570
2571 cf::sync_job {
2572 eval {
2573 BDB::db_env_open
2574 $DB_ENV,
2575 $BDB_ENV_DIR,
2576 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578 0666;
2579
2580 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2581
2582 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583 $DB_ENV->set_lk_detect;
2584 };
2585
2586 cf::cleanup "db_env_open(db): $@" if $@;
2282 })->(); 2587 };
2283 }, 2588 }
2284); 2589}
2590
2591{
2592 IO::AIO::min_parallel 8;
2593
2594 undef $Coro::AIO::WATCHER;
2595 IO::AIO::max_poll_time $TICK * 0.1;
2596 $AIO_POLL_WATCHER = Event->io (
2597 reentrant => 0,
2598 data => WF_AUTOCANCEL,
2599 fd => IO::AIO::poll_fileno,
2600 poll => 'r',
2601 prio => 6,
2602 cb => \&IO::AIO::poll_cb,
2603 );
2604}
2285 2605
2286END { cf::emergency_save } 2606END { cf::emergency_save }
2287 2607
22881 26081
2289 2609

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