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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC vs.
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
19 21
22use BDB ();
23use Data::Dumper;
20use Digest::MD5; 24use Digest::MD5;
21use Fcntl; 25use Fcntl;
22use IO::AIO 2.32 (); 26use IO::AIO 2.32 ();
23use YAML::Syck (); 27use YAML::Syck ();
24use Time::HiRes; 28use Time::HiRes;
29use Compress::LZF;
25 30
31Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 33$Event::Eval = 1; # no idea why this is required, but it is
34
35sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27 36
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 37# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 38$YAML::Syck::ImplicitUnicode = 1;
30 39
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 40$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 41
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35our %COMMAND = (); 42our %COMMAND = ();
36our %COMMAND_TIME = (); 43our %COMMAND_TIME = ();
44
45our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 46our %EXTCMD = ();
47our %EXT_CORO = (); # coroutines bound to extensions
48our %EXT_MAP = (); # pluggable maps
38 49
50our $RELOAD; # number of reloads so far
39our @EVENT; 51our @EVENT;
40our $LIBDIR = datadir . "/ext"; 52our $LIBDIR = datadir . "/ext";
41 53
42our $TICK = MAX_TIME * 1e-6; 54our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 55our $TICK_WATCHER;
56our $AIO_POLL_WATCHER;
57our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 58our $NEXT_TICK;
45our $NOW; 59our $NOW;
60our $USE_FSYNC = 1; # use fsync to write maps - default off
61
62our $BDB_POLL_WATCHER;
63our $DB_ENV;
46 64
47our %CFG; 65our %CFG;
48 66
49our $UPTIME; $UPTIME ||= time; 67our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 68our $RUNTIME;
51 69
52our %PLAYER; # all users 70our %PLAYER; # all users
53our %MAP; # all maps 71our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 72our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 73our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; # coroutines bound to extensions 74our $BDB_ENV_DIR = cf::localdir . "/db";
75
76our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78
79# used to convert map paths into valid unix filenames by replacing / by ∕
80our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 81
58binmode STDOUT; 82binmode STDOUT;
59binmode STDERR; 83binmode STDERR;
60 84
61# read virtual server time, if available 85# read virtual server time, if available
68mkdir cf::localdir; 92mkdir cf::localdir;
69mkdir cf::localdir . "/" . cf::playerdir; 93mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 94mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 95mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 96mkdir $RANDOM_MAPS;
97mkdir $BDB_ENV_DIR;
73 98
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 99our $EMERGENCY_POSITION;
100
101sub cf::map::normalise;
77 102
78############################################################################# 103#############################################################################
79 104
80=head2 GLOBAL VARIABLES 105=head2 GLOBAL VARIABLES
81 106
105 130
106=item %cf::CFG 131=item %cf::CFG
107 132
108Configuration for the server, loaded from C</etc/crossfire/config>, or 133Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 134from wherever your confdir points to.
135
136=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
137
138These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
139or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
140processing has been done. Call C<< ->wait >> on them to maximise the
141window of cpu time available, or simply to synchronise to the server tick.
110 142
111=back 143=back
112 144
113=cut 145=cut
114 146
146 178
147$Event::DIED = sub { 179$Event::DIED = sub {
148 warn "error in event callback: @_"; 180 warn "error in event callback: @_";
149}; 181};
150 182
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 183=head2 UTILITY FUNCTIONS
156 184
157=over 4 185=over 4
158 186
187=item dumpval $ref
188
159=cut 189=cut
190
191sub dumpval {
192 eval {
193 local $SIG{__DIE__};
194 my $d;
195 if (1) {
196 $d = new Data::Dumper([$_[0]], ["*var"]);
197 $d->Terse(1);
198 $d->Indent(2);
199 $d->Quotekeys(0);
200 $d->Useqq(1);
201 #$d->Bless(...);
202 $d->Seen($_[1]) if @_ > 1;
203 $d = $d->Dump();
204 }
205 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206 $d
207 } || "[unable to dump $_[0]: '$@']";
208}
160 209
161use JSON::Syck (); # TODO# replace by JSON::PC once working 210use JSON::Syck (); # TODO# replace by JSON::PC once working
162 211
163=item $ref = cf::from_json $json 212=item $ref = cf::from_json $json
164 213
225} 274}
226 275
227sub freeze_mainloop { 276sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 277 return unless $TICK_WATCHER->is_active;
229 278
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 279 my $guard = Coro::guard {
280 $TICK_WATCHER->start;
281 };
231 $TICK_WATCHER->stop; 282 $TICK_WATCHER->stop;
232 $guard 283 $guard
233} 284}
234 285
235=item cf::async { BLOCK } 286=item cf::async { BLOCK }
287 } 338 }
288} 339}
289 340
290=item $coro = cf::async_ext { BLOCK } 341=item $coro = cf::async_ext { BLOCK }
291 342
292Like async, but this coro is automcatially being canceled when the 343Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 344extension calling this is being unloaded.
294 345
295=cut 346=cut
296 347
297sub async_ext(&) { 348sub async_ext(&) {
306 357
307 $coro 358 $coro
308} 359}
309 360
310sub write_runtime { 361sub write_runtime {
362 my $guard = cf::lock_acquire "write_runtime";
363
311 my $runtime = cf::localdir . "/runtime"; 364 my $runtime = cf::localdir . "/runtime";
312 365
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 366 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314 or return; 367 or return;
315 368
369 my $value = $cf::RUNTIME + 90 + 10;
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 370 # 10 is the runtime save interval, for a monotonic clock
371 # 60 allows for the watchdog to kill the server.
372
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0 373 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return; 374 and return;
319 375
376 # always fsync - this file is important
320 aio_fsync $fh 377 aio_fsync $fh
321 and return; 378 and return;
322 379
323 close $fh 380 close $fh
324 or return; 381 or return;
330} 387}
331 388
332=back 389=back
333 390
334=cut 391=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($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;
455 392
456############################################################################# 393#############################################################################
457 394
458=head2 ATTACHABLE OBJECTS 395=head2 ATTACHABLE OBJECTS
459 396
585our @CB_TYPE = (); # registry for type (cf-object class) based events 522our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 523our @CB_MAP = ();
587 524
588my %attachment; 525my %attachment;
589 526
527sub cf::attachable::thawer_merge {
528 # simply override everything except _meta
529 local $_[0]{_meta};
530 %{$_[0]} = %{$_[1]};
531}
532
590sub _attach_cb($$$$) { 533sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 534 my ($registry, $event, $prio, $cb) = @_;
592 535
593 use sort 'stable'; 536 use sort 'stable';
594 537
765# object support 708# object support
766 709
767sub reattach { 710sub reattach {
768 # basically do the same as instantiate, without calling instantiate 711 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 712 my ($obj) = @_;
713
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 715
771 my $registry = $obj->registry; 716 my $registry = $obj->registry;
772 717
773 @$registry = (); 718 @$registry = ();
774 719
821 $filename, length $$rdata, scalar @$objs; 766 $filename, length $$rdata, scalar @$objs;
822 767
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 769 chmod SAVE_MODE, $fh;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 770 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826 aio_fsync $fh; 771 aio_fsync $fh if $cf::USE_FSYNC;
827 close $fh; 772 close $fh;
828 773
829 if (@$objs) { 774 if (@$objs) {
830 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 775 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831 chmod SAVE_MODE, $fh; 776 chmod SAVE_MODE, $fh;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 777 my $data = Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 778 aio_write $fh, 0, (length $data), $data, 0;
834 aio_fsync $fh; 779 aio_fsync $fh if $cf::USE_FSYNC;
835 close $fh; 780 close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 781 aio_rename "$filename.pst~", "$filename.pst";
837 } 782 }
838 } else { 783 } else {
839 aio_unlink "$filename.pst"; 784 aio_unlink "$filename.pst";
906=cut 851=cut
907 852
908sub register_extcmd { 853sub register_extcmd {
909 my ($name, $cb) = @_; 854 my ($name, $cb) = @_;
910 855
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 856 $EXTCMD{$name} = $cb;
915} 857}
916 858
917cf::player->attach ( 859cf::player->attach (
918 on_command => sub { 860 on_command => sub {
919 my ($pl, $name, $params) = @_; 861 my ($pl, $name, $params) = @_;
932 874
933 my $msg = eval { from_json $buf }; 875 my $msg = eval { from_json $buf };
934 876
935 if (ref $msg) { 877 if (ref $msg) {
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 878 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 879 if (my %reply = $cb->($pl, $msg)) {
938 $pl->ext_reply ($msg->{msgid}, %reply); 880 $pl->ext_reply ($msg->{msgid}, %reply);
939 } 881 }
940 } 882 }
941 } else { 883 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
944 886
945 cf::override; 887 cf::override;
946 }, 888 },
947); 889);
948 890
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 891sub load_extension {
956 my ($path) = @_; 892 my ($path) = @_;
957 893
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1; 895 my $base = $1;
960 my $pkg = $1; 896 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g; 897 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg"; 898 $pkg = "ext::$pkg";
963 899
964 warn "loading '$path' into '$pkg'\n"; 900 warn "... loading '$path' into '$pkg'\n";
965 901
966 open my $fh, "<:utf8", $path 902 open my $fh, "<:utf8", $path
967 or die "$path: $!"; 903 or die "$path: $!";
968 904
969 my $source = 905 my $source =
970 "package $pkg; use strict; use utf8;\n" 906 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n" 907 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> }) 908 . (do { local $/; <$fh> })
973 . "\n};\n1"; 909 . "\n};\n1";
974 910
975 eval $source 911 unless (eval $source) {
976 or die $@ ? "$path: $@\n" 912 my $msg = $@ ? "$path: $@\n"
977 : "extension disabled.\n"; 913 : "extension disabled.\n";
978 914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979 push @exts, $pkg; 915 warn $@;
980 $ext_pkg{$base} = $pkg; 916 warn "mandatory extension failed to load, exiting.\n";
981 917 exit 1;
982# no strict 'refs'; 918 }
983# @{"$pkg\::ISA"} = ext::; 919 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# } 920 }
998 921
999 # remove commands 922 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} 923}
1024 924
1025sub load_extensions { 925sub load_extensions {
1026 for my $ext (<$LIBDIR/*.ext>) { 926 for my $ext (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 927 next unless -r $ext;
1031 } or warn "$ext not loaded: $@"; 931 } or warn "$ext not loaded: $@";
1032 } 932 }
1033} 933}
1034 934
1035############################################################################# 935#############################################################################
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 936
1073=head2 CORE EXTENSIONS 937=head2 CORE EXTENSIONS
1074 938
1075Functions and methods that extend core crossfire objects. 939Functions and methods that extend core crossfire objects.
1076 940
1077=cut 941=cut
1078 942
1079package cf::player; 943package cf::player;
944
945use Coro::AIO;
1080 946
1081=head3 cf::player 947=head3 cf::player
1082 948
1083=over 4 949=over 4
1084 950
1110 976
1111sub exists($) { 977sub exists($) {
1112 my ($login) = @_; 978 my ($login) = @_;
1113 979
1114 $cf::PLAYER{$login} 980 $cf::PLAYER{$login}
1115 or cf::sync_job { !aio_stat $login } 981 or cf::sync_job { !aio_stat path $login }
1116} 982}
1117 983
1118sub find($) { 984sub find($) {
1119 return $cf::PLAYER{$_[0]} || do { 985 return $cf::PLAYER{$_[0]} || do {
1120 my $login = $_[0]; 986 my $login = $_[0];
1121 987
1122 my $guard = cf::lock_acquire "user_find:$login"; 988 my $guard = cf::lock_acquire "user_find:$login";
1123 989
1124 $cf::PLAYER{$login} ||= (load_pl path $login or return); 990 $cf::PLAYER{$_[0]} || do {
991 my $pl = load_pl path $login
992 or return;
993 $cf::PLAYER{$login} = $pl
994 }
1125 }; 995 }
1126} 996}
1127 997
1128sub save($) { 998sub save($) {
1129 my ($pl) = @_; 999 my ($pl) = @_;
1130 1000
1133 my $path = path $pl; 1003 my $path = path $pl;
1134 my $guard = cf::lock_acquire "user_save:$path"; 1004 my $guard = cf::lock_acquire "user_save:$path";
1135 1005
1136 return if $pl->{deny_save}; 1006 return if $pl->{deny_save};
1137 1007
1138 Coro::AIO::aio_mkdir playerdir $pl, 0770; 1008 aio_mkdir playerdir $pl, 0770;
1139 $pl->{last_save} = $cf::RUNTIME; 1009 $pl->{last_save} = $cf::RUNTIME;
1140 1010
1141 $pl->save_pl ($path); 1011 $pl->save_pl ($path);
1142 Coro::cede; 1012 Coro::cede;
1143} 1013}
1153 $cf::PLAYER{$login} = $self; 1023 $cf::PLAYER{$login} = $self;
1154 1024
1155 $self 1025 $self
1156} 1026}
1157 1027
1028=item $pl->quit_character
1029
1030Nukes the player without looking back. If logged in, the connection will
1031be destroyed. May block for a long time.
1032
1033=cut
1034
1158sub quit_character { 1035sub quit_character {
1159 my ($pl) = @_; 1036 my ($pl) = @_;
1037
1038 my $name = $pl->ob->name;
1160 1039
1161 $pl->{deny_save} = 1; 1040 $pl->{deny_save} = 1;
1162 $pl->password ("*"); # this should lock out the player until we nuked the dir 1041 $pl->password ("*"); # this should lock out the player until we nuked the dir
1163 1042
1164 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1043 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1166 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1045 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1167 $pl->ns->destroy if $pl->ns; 1046 $pl->ns->destroy if $pl->ns;
1168 1047
1169 my $path = playerdir $pl; 1048 my $path = playerdir $pl;
1170 my $temp = "$path~$cf::RUNTIME~deleting~"; 1049 my $temp = "$path~$cf::RUNTIME~deleting~";
1171 Coro::AIO::aio_rename $path, $temp; 1050 aio_rename $path, $temp;
1172 delete $cf::PLAYER{$pl->ob->name}; 1051 delete $cf::PLAYER{$pl->ob->name};
1173 $pl->destroy; 1052 $pl->destroy;
1053
1054 my $prefix = qr<^~\Q$name\E/>;
1055
1056 # nuke player maps
1057 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1058
1174 IO::AIO::aio_rmtree $temp; 1059 IO::AIO::aio_rmtree $temp;
1060}
1061
1062=item $pl->kick
1063
1064Kicks a player out of the game. This destroys the connection.
1065
1066=cut
1067
1068sub kick {
1069 my ($pl, $kicker) = @_;
1070
1071 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1072 $pl->killer ("kicked");
1073 $pl->ns->destroy;
1074}
1075
1076=item cf::player::list_logins
1077
1078Returns am arrayref of all valid playernames in the system, can take a
1079while and may block, so not sync_job-capable, ever.
1080
1081=cut
1082
1083sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1085 or return [];
1086
1087 my @logins;
1088
1089 for my $login (@$dirs) {
1090 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1091 aio_read $fh, 0, 512, my $buf, 0 or next;
1092 $buf !~ /^password -------------$/m or next; # official not-valid tag
1093
1094 utf8::decode $login;
1095 push @logins, $login;
1096 }
1097
1098 \@logins
1099}
1100
1101=item $player->maps
1102
1103Returns an arrayref of map paths that are private for this
1104player. May block.
1105
1106=cut
1107
1108sub maps($) {
1109 my ($pl) = @_;
1110
1111 $pl = ref $pl ? $pl->ob->name : $pl;
1112
1113 my $files = aio_readdir playerdir $pl
1114 or return;
1115
1116 my @paths;
1117
1118 for (@$files) {
1119 utf8::decode $_;
1120 next if /\.(?:pl|pst)$/;
1121 next unless /^$PATH_SEP/o;
1122
1123 push @paths, cf::map::normalise "~$pl/$_";
1124 }
1125
1126 \@paths
1175} 1127}
1176 1128
1177=item $player->ext_reply ($msgid, $msgtype, %msg) 1129=item $player->ext_reply ($msgid, $msgtype, %msg)
1178 1130
1179Sends an ext reply to the player. 1131Sends an ext reply to the player.
1202package cf::map; 1154package cf::map;
1203 1155
1204use Fcntl; 1156use Fcntl;
1205use Coro::AIO; 1157use Coro::AIO;
1206 1158
1159use overload
1160 '""' => \&as_string,
1161 fallback => 1;
1162
1207our $MAX_RESET = 3600; 1163our $MAX_RESET = 3600;
1208our $DEFAULT_RESET = 3000; 1164our $DEFAULT_RESET = 3000;
1209 1165
1210sub generate_random_map { 1166sub generate_random_map {
1211 my ($path, $rmp) = @_; 1167 my ($self, $rmp) = @_;
1212
1213 # mit "rum" bekleckern, nicht 1168 # mit "rum" bekleckern, nicht
1214 cf::map::_create_random_map 1169 $self->_create_random_map (
1215 $path,
1216 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1170 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1171 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1218 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1172 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219 $rmp->{exit_on_final_map}, 1173 $rmp->{exit_on_final_map},
1220 $rmp->{xsize}, $rmp->{ysize}, 1174 $rmp->{xsize}, $rmp->{ysize},
1221 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1175 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1176 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1177 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1178 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1225 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1179 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226 (cf::region::find $rmp->{region}) 1180 (cf::region::find $rmp->{region}), $rmp->{custom}
1181 )
1182}
1183
1184=item cf::map->register ($regex, $prio)
1185
1186Register a handler for the map path matching the given regex at the
1187givne priority (higher is better, built-in handlers have priority 0, the
1188default).
1189
1190=cut
1191
1192sub register {
1193 my (undef, $regex, $prio) = @_;
1194 my $pkg = caller;
1195
1196 no strict;
1197 push @{"$pkg\::ISA"}, __PACKAGE__;
1198
1199 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200}
1201
1202# also paths starting with '/'
1203$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1204
1205sub thawer_merge {
1206 my ($self, $merge) = @_;
1207
1208 # we have to keep some variables in memory intact
1209 local $self->{path};
1210 local $self->{load_path};
1211 local $self->{deny_save};
1212 local $self->{deny_reset};
1213
1214 $self->SUPER::thawer_merge ($merge);
1215}
1216
1217sub normalise {
1218 my ($path, $base) = @_;
1219
1220 $path = "$path"; # make sure its a string
1221
1222 $path =~ s/\.map$//;
1223
1224 # map plan:
1225 #
1226 # /! non-realised random map exit (special hack!)
1227 # {... are special paths that are not being touched
1228 # ?xxx/... are special absolute paths
1229 # ?random/... random maps
1230 # /... normal maps
1231 # ~user/... per-player map of a specific user
1232
1233 $path =~ s/$PATH_SEP/\//go;
1234
1235 # treat it as relative path if it starts with
1236 # something that looks reasonable
1237 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1238 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1239
1240 $base =~ s{[^/]+/?$}{};
1241 $path = "$base/$path";
1242 }
1243
1244 for ($path) {
1245 redo if s{//}{/};
1246 redo if s{/\.?/}{/};
1247 redo if s{/[^/]+/\.\./}{/};
1248 }
1249
1250 $path
1251}
1252
1253sub new_from_path {
1254 my (undef, $path, $base) = @_;
1255
1256 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1257
1258 $path = normalise $path, $base;
1259
1260 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1261 if ($path =~ $EXT_MAP{$pkg}[1]) {
1262 my $self = bless cf::map::new, $pkg;
1263 $self->{path} = $path; $self->path ($path);
1264 $self->init; # pass $1 etc.
1265 return $self;
1266 }
1267 }
1268
1269 Carp::carp "unable to resolve path '$path' (base '$base').";
1270 ()
1271}
1272
1273sub init {
1274 my ($self) = @_;
1275
1276 $self
1277}
1278
1279sub as_string {
1280 my ($self) = @_;
1281
1282 "$self->{path}"
1283}
1284
1285# the displayed name, this is a one way mapping
1286sub visible_name {
1287 &as_string
1288}
1289
1290# the original (read-only) location
1291sub load_path {
1292 my ($self) = @_;
1293
1294 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1295}
1296
1297# the temporary/swap location
1298sub save_path {
1299 my ($self) = @_;
1300
1301 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1303}
1304
1305# the unique path, undef == no special unique path
1306sub uniq_path {
1307 my ($self) = @_;
1308
1309 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1227} 1311}
1228 1312
1229# and all this just because we cannot iterate over 1313# and all this just because we cannot iterate over
1230# all maps in C++... 1314# all maps in C++...
1231sub change_all_map_light { 1315sub change_all_map_light {
1233 1317
1234 $_->change_map_light ($change) 1318 $_->change_map_light ($change)
1235 for grep $_->outdoor, values %cf::MAP; 1319 for grep $_->outdoor, values %cf::MAP;
1236} 1320}
1237 1321
1322sub unlink_save {
1323 my ($self) = @_;
1324
1325 utf8::encode (my $save = $self->save_path);
1326 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1327 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1328}
1329
1238sub try_load_header($) { 1330sub load_header_from($) {
1239 my ($path) = @_; 1331 my ($self, $path) = @_;
1240 1332
1241 utf8::encode $path; 1333 utf8::encode $path;
1242 aio_open $path, O_RDONLY, 0 1334 #aio_open $path, O_RDONLY, 0
1335 # or return;
1336
1337 $self->_load_header ($path)
1243 or return; 1338 or return;
1244 1339
1245 my $map = cf::map::new 1340 $self->{load_path} = $path;
1341
1342 1
1343}
1344
1345sub load_header_orig {
1346 my ($self) = @_;
1347
1348 $self->load_header_from ($self->load_path)
1349}
1350
1351sub load_header_temp {
1352 my ($self) = @_;
1353
1354 $self->load_header_from ($self->save_path)
1355}
1356
1357sub prepare_temp {
1358 my ($self) = @_;
1359
1360 $self->last_access ((delete $self->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $self->{instantiate_time} = $cf::RUNTIME
1364 if $self->{instantiate_time} > $cf::RUNTIME;
1365}
1366
1367sub prepare_orig {
1368 my ($self) = @_;
1369
1370 $self->{load_original} = 1;
1371 $self->{instantiate_time} = $cf::RUNTIME;
1372 $self->last_access ($cf::RUNTIME);
1373 $self->instantiate;
1374}
1375
1376sub load_header {
1377 my ($self) = @_;
1378
1379 if ($self->load_header_temp) {
1380 $self->prepare_temp;
1381 } else {
1382 $self->load_header_orig
1246 or return; 1383 or return;
1384 $self->prepare_orig;
1385 }
1247 1386
1248 # for better error messages only, will be overwritten 1387 1
1249 $map->path ($path);
1250
1251 $map->load_header ($path)
1252 or return;
1253
1254 $map->{load_path} = $path;
1255
1256 $map
1257} 1388}
1258 1389
1259sub find; 1390sub find;
1260sub find { 1391sub find {
1261 my ($path, $origin) = @_; 1392 my ($path, $origin) = @_;
1262 1393
1263 #warn "find<$path,$origin>\n";#d#
1264
1265 $path = new cf::path $path, $origin && $origin->path; 1394 $path = normalise $path, $origin && $origin->path;
1266 my $key = $path->as_string;
1267 1395
1268 cf::lock_wait "map_find:$key"; 1396 cf::lock_wait "map_find:$path";
1269 1397
1270 $cf::MAP{$key} || do { 1398 $cf::MAP{$path} || do {
1271 my $guard = cf::lock_acquire "map_find:$key"; 1399 my $guard = cf::lock_acquire "map_find:$path";
1272 1400 my $map = new_from_path cf::map $path
1273 # do it the slow way
1274 my $map = try_load_header $path->save_path;
1275
1276 Coro::cede;
1277
1278 if ($map) {
1279 $map->last_access ((delete $map->{last_access})
1280 || $cf::RUNTIME); #d#
1281 # safety
1282 $map->{instantiate_time} = $cf::RUNTIME
1283 if $map->{instantiate_time} > $cf::RUNTIME;
1284 } else {
1285 if (my $rmp = $path->random_map_params) {
1286 $map = generate_random_map $key, $rmp;
1287 } else {
1288 $map = try_load_header $path->load_path;
1289 }
1290
1291 $map or return; 1401 or return;
1292 1402
1293 $map->{load_original} = 1;
1294 $map->{instantiate_time} = $cf::RUNTIME;
1295 $map->last_access ($cf::RUNTIME);
1296 $map->instantiate;
1297
1298 # per-player maps become, after loading, normal maps
1299 $map->per_player (0) if $path->{user_rel};
1300 }
1301
1302 $map->path ($key);
1303 $map->{path} = $path;
1304 $map->{last_save} = $cf::RUNTIME; 1403 $map->{last_save} = $cf::RUNTIME;
1305 1404
1306 Coro::cede; 1405 $map->load_header
1406 or return;
1307 1407
1308 if ($map->should_reset) { 1408 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1409 # doing this can freeze the server in a sync job, obviously
1410 #$cf::WAIT_FOR_TICK->wait;
1309 $map->reset; 1411 $map->reset;
1310 undef $guard; 1412 undef $guard;
1311 $map = find $path 1413 return find $path;
1312 or return;
1313 } 1414 }
1314 1415
1315 $cf::MAP{$key} = $map 1416 $cf::MAP{$path} = $map
1316 } 1417 }
1317} 1418}
1419
1420sub pre_load { }
1421sub post_load { }
1318 1422
1319sub load { 1423sub load {
1320 my ($self) = @_; 1424 my ($self) = @_;
1321 1425
1426 local $self->{deny_reset} = 1; # loading can take a long time
1427
1322 my $path = $self->{path}; 1428 my $path = $self->{path};
1323 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1429 my $guard = cf::lock_acquire "map_load:$path";
1324 1430
1325 return if $self->in_memory != cf::MAP_SWAPPED; 1431 return if $self->in_memory != cf::MAP_SWAPPED;
1326 1432
1327 $self->in_memory (cf::MAP_LOADING); 1433 $self->in_memory (cf::MAP_LOADING);
1328 1434
1329 $self->alloc; 1435 $self->alloc;
1436
1437 $self->pre_load;
1438
1330 $self->load_objects ($self->{load_path}, 1) 1439 $self->_load_objects ($self->{load_path}, 1)
1331 or return; 1440 or return;
1332 1441
1333 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1442 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1334 if delete $self->{load_original}; 1443 if delete $self->{load_original};
1335 1444
1336 if (my $uniq = $path->uniq_path) { 1445 if (my $uniq = $self->uniq_path) {
1337 utf8::encode $uniq; 1446 utf8::encode $uniq;
1338 if (aio_open $uniq, O_RDONLY, 0) { 1447 if (aio_open $uniq, O_RDONLY, 0) {
1339 $self->clear_unique_items; 1448 $self->clear_unique_items;
1340 $self->load_objects ($uniq, 0); 1449 $self->_load_objects ($uniq, 0);
1341 } 1450 }
1342 } 1451 }
1343 1452
1344 Coro::cede; 1453 Coro::cede;
1345 1454
1346 # now do the right thing for maps 1455 # now do the right thing for maps
1347 $self->link_multipart_objects; 1456 $self->link_multipart_objects;
1348 1457
1349 if ($self->{path}->is_style_map) { 1458 unless ($self->{deny_activate}) {
1350 $self->{deny_save} = 1; 1459 $self->decay_objects;
1351 $self->{deny_reset} = 1;
1352 } else {
1353 $self->fix_auto_apply; 1460 $self->fix_auto_apply;
1354 $self->decay_objects;
1355 $self->update_buttons; 1461 $self->update_buttons;
1462 Coro::cede;
1356 $self->set_darkness_map; 1463 $self->set_darkness_map;
1357 $self->difficulty ($self->estimate_difficulty) 1464 $self->difficulty ($self->estimate_difficulty)
1358 unless $self->difficulty; 1465 unless $self->difficulty;
1466 Coro::cede;
1359 $self->activate; 1467 $self->activate;
1360 } 1468 }
1361 1469
1362 Coro::cede; 1470 $self->post_load;
1363 1471
1364 $self->in_memory (cf::MAP_IN_MEMORY); 1472 $self->in_memory (cf::MAP_IN_MEMORY);
1473}
1474
1475sub customise_for {
1476 my ($self, $ob) = @_;
1477
1478 return find "~" . $ob->name . "/" . $self->{path}
1479 if $self->per_player;
1480
1481 $self
1482}
1483
1484# find and load all maps in the 3x3 area around a map
1485sub load_diag {
1486 my ($map) = @_;
1487
1488 my @diag; # diagonal neighbours
1489
1490 for (0 .. 3) {
1491 my $neigh = $map->tile_path ($_)
1492 or next;
1493 $neigh = find $neigh, $map
1494 or next;
1495 $neigh->load;
1496
1497 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1498 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1499 }
1500
1501 for (@diag) {
1502 my $neigh = find @$_
1503 or next;
1504 $neigh->load;
1505 }
1365} 1506}
1366 1507
1367sub find_sync { 1508sub find_sync {
1368 my ($path, $origin) = @_; 1509 my ($path, $origin) = @_;
1369 1510
1370 cf::sync_job { cf::map::find $path, $origin } 1511 cf::sync_job { find $path, $origin }
1371} 1512}
1372 1513
1373sub do_load_sync { 1514sub do_load_sync {
1374 my ($map) = @_; 1515 my ($map) = @_;
1375 1516
1376 cf::sync_job { $map->load }; 1517 cf::sync_job { $map->load };
1377} 1518}
1378 1519
1520our %MAP_PREFETCH;
1521our $MAP_PREFETCHER = undef;
1522
1523sub find_async {
1524 my ($path, $origin) = @_;
1525
1526 $path = normalise $path, $origin && $origin->{path};
1527
1528 if (my $map = $cf::MAP{$path}) {
1529 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1530 }
1531
1532 undef $MAP_PREFETCH{$path};
1533 $MAP_PREFETCHER ||= cf::async {
1534 while (%MAP_PREFETCH) {
1535 for my $path (keys %MAP_PREFETCH) {
1536 my $map = find $path
1537 or next;
1538 $map->load;
1539
1540 delete $MAP_PREFETCH{$path};
1541 }
1542 }
1543 undef $MAP_PREFETCHER;
1544 };
1545 $MAP_PREFETCHER->prio (6);
1546
1547 ()
1548}
1549
1379sub save { 1550sub save {
1380 my ($self) = @_; 1551 my ($self) = @_;
1381 1552
1382 my $lock = cf::lock_acquire "map_data:" . $self->path; 1553 my $lock = cf::lock_acquire "map_data:" . $self->path;
1383 1554
1384 $self->{last_save} = $cf::RUNTIME; 1555 $self->{last_save} = $cf::RUNTIME;
1385 1556
1386 return unless $self->dirty; 1557 return unless $self->dirty;
1387 1558
1388 my $save = $self->{path}->save_path; utf8::encode $save; 1559 my $save = $self->save_path; utf8::encode $save;
1389 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1560 my $uniq = $self->uniq_path; utf8::encode $uniq;
1390 1561
1391 $self->{load_path} = $save; 1562 $self->{load_path} = $save;
1392 1563
1393 return if $self->{deny_save}; 1564 return if $self->{deny_save};
1394 1565
1397 cf::async { 1568 cf::async {
1398 $_->contr->save for $self->players; 1569 $_->contr->save for $self->players;
1399 }; 1570 };
1400 1571
1401 if ($uniq) { 1572 if ($uniq) {
1402 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1573 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1403 $self->save_objects ($uniq, cf::IO_UNIQUES); 1574 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1404 } else { 1575 } else {
1405 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1576 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1406 } 1577 }
1407} 1578}
1408 1579
1409sub swap_out { 1580sub swap_out {
1410 my ($self) = @_; 1581 my ($self) = @_;
1424 1595
1425sub reset_at { 1596sub reset_at {
1426 my ($self) = @_; 1597 my ($self) = @_;
1427 1598
1428 # TODO: safety, remove and allow resettable per-player maps 1599 # TODO: safety, remove and allow resettable per-player maps
1429 return 1e99 if $self->{path}{user_rel}; 1600 return 1e99 if $self->isa ("ext::map_per_player");#d#
1430 return 1e99 if $self->{deny_reset}; 1601 return 1e99 if $self->{deny_reset};
1431 1602
1432 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1603 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1604 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1434 1605
1439 my ($self) = @_; 1610 my ($self) = @_;
1440 1611
1441 $self->reset_at <= $cf::RUNTIME 1612 $self->reset_at <= $cf::RUNTIME
1442} 1613}
1443 1614
1444sub unlink_save {
1445 my ($self) = @_;
1446
1447 utf8::encode (my $save = $self->{path}->save_path);
1448 aioreq_pri 3; IO::AIO::aio_unlink $save;
1449 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1450}
1451
1452sub rename {
1453 my ($self, $new_path) = @_;
1454
1455 $self->unlink_save;
1456
1457 delete $cf::MAP{$self->path};
1458 $self->{path} = new cf::path $new_path;
1459 $self->path ($self->{path}->as_string);
1460 $cf::MAP{$self->path} = $self;
1461
1462 $self->save;
1463}
1464
1465sub reset { 1615sub reset {
1466 my ($self) = @_; 1616 my ($self) = @_;
1467 1617
1468 my $lock = cf::lock_acquire "map_data:" . $self->path; 1618 my $lock = cf::lock_acquire "map_data:$self->{path}";
1469 1619
1470 return if $self->players; 1620 return if $self->players;
1471 return if $self->{path}{user_rel};#d# 1621 return if $self->isa ("ext::map_per_player");#d#
1472 1622
1473 warn "resetting map ", $self->path;#d# 1623 warn "resetting map ", $self->path;#d#
1474 1624
1625 $self->in_memory (cf::MAP_SWAPPED);
1626
1627 # need to save uniques path
1628 unless ($self->{deny_save}) {
1629 my $uniq = $self->uniq_path; utf8::encode $uniq;
1630
1631 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1632 if $uniq;
1633 }
1634
1475 delete $cf::MAP{$self->path}; 1635 delete $cf::MAP{$self->path};
1636
1637 $self->clear;
1476 1638
1477 $_->clear_links_to ($self) for values %cf::MAP; 1639 $_->clear_links_to ($self) for values %cf::MAP;
1478 1640
1479 $self->unlink_save; 1641 $self->unlink_save;
1480 $self->destroy; 1642 $self->destroy;
1483my $nuke_counter = "aaaa"; 1645my $nuke_counter = "aaaa";
1484 1646
1485sub nuke { 1647sub nuke {
1486 my ($self) = @_; 1648 my ($self) = @_;
1487 1649
1650 delete $cf::MAP{$self->path};
1651
1652 $self->unlink_save;
1653
1654 bless $self, "cf::map";
1655 delete $self->{deny_reset};
1488 $self->{deny_save} = 1; 1656 $self->{deny_save} = 1;
1489 $self->reset_timeout (1); 1657 $self->reset_timeout (1);
1490 $self->rename ("{nuke}/" . ($nuke_counter++)); 1658 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659
1660 $cf::MAP{$self->path} = $self;
1661
1491 $self->reset; # polite request, might not happen 1662 $self->reset; # polite request, might not happen
1492} 1663}
1493 1664
1494sub customise_for { 1665=item cf::map::unique_maps
1495 my ($map, $ob) = @_;
1496 1666
1497 if ($map->per_player) { 1667Returns an arrayref of paths of all shared maps that have
1498 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1668instantiated unique items. May block.
1499 }
1500 1669
1501 $map 1670=cut
1502}
1503 1671
1504sub emergency_save { 1672sub unique_maps() {
1505 my $freeze_guard = cf::freeze_mainloop; 1673 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1674 or return;
1506 1675
1507 warn "enter emergency perl save\n"; 1676 my @paths;
1508 1677
1509 cf::sync_job { 1678 for (@$files) {
1510 warn "begin emergency player save\n"; 1679 utf8::decode $_;
1511 $_->save for values %cf::PLAYER; 1680 next if /\.pst$/;
1512 warn "end emergency player save\n"; 1681 next unless /^$PATH_SEP/o;
1513 1682
1514 warn "begin emergency map save\n"; 1683 push @paths, cf::map::normalise $_;
1515 $_->save for values %cf::MAP;
1516 warn "end emergency map save\n";
1517 }; 1684 }
1518 1685
1519 warn "leave emergency perl save\n"; 1686 \@paths
1520} 1687}
1521 1688
1522package cf; 1689package cf;
1523 1690
1524=back 1691=back
1525 1692
1693=head3 cf::object
1694
1695=cut
1696
1697package cf::object;
1698
1699=over 4
1700
1701=item $ob->inv_recursive
1702
1703Returns the inventory of the object _and_ their inventories, recursively.
1704
1705=cut
1706
1707sub inv_recursive_;
1708sub inv_recursive_ {
1709 map { $_, inv_recursive_ $_->inv } @_
1710}
1711
1712sub inv_recursive {
1713 inv_recursive_ inv $_[0]
1714}
1715
1716package cf;
1717
1718=back
1526 1719
1527=head3 cf::object::player 1720=head3 cf::object::player
1528 1721
1529=over 4 1722=over 4
1530 1723
1570 1763
1571=item $player_object->enter_link 1764=item $player_object->enter_link
1572 1765
1573Freezes the player and moves him/her to a special map (C<{link}>). 1766Freezes the player and moves him/her to a special map (C<{link}>).
1574 1767
1575The player should be reaosnably safe there for short amounts of time. You 1768The player should be reasonably safe there for short amounts of time. You
1576I<MUST> call C<leave_link> as soon as possible, though. 1769I<MUST> call C<leave_link> as soon as possible, though.
1577 1770
1771Will never block.
1772
1578=item $player_object->leave_link ($map, $x, $y) 1773=item $player_object->leave_link ($map, $x, $y)
1579 1774
1580Moves the player out of the specila link map onto the given map. If the 1775Moves the player out of the special C<{link}> map onto the specified
1581map is not valid (or omitted), the player will be moved back to the 1776map. If the map is not valid (or omitted), the player will be moved back
1582location he/she was before the call to C<enter_link>, or, if that fails, 1777to the location he/she was before the call to C<enter_link>, or, if that
1583to the emergency map position. 1778fails, to the emergency map position.
1584 1779
1585Might block. 1780Might block.
1586 1781
1587=cut 1782=cut
1783
1784sub link_map {
1785 unless ($LINK_MAP) {
1786 $LINK_MAP = cf::map::find "{link}"
1787 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1788 $LINK_MAP->load;
1789 }
1790
1791 $LINK_MAP
1792}
1588 1793
1589sub cf::object::player::enter_link { 1794sub cf::object::player::enter_link {
1590 my ($self) = @_; 1795 my ($self) = @_;
1591 1796
1592 $self->deactivate_recursive; 1797 $self->deactivate_recursive;
1593 1798
1594 return if $self->map == $LINK_MAP; 1799 return if UNIVERSAL::isa $self->map, "ext::map_link";
1595 1800
1596 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1801 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597 if $self->map; 1802 if $self->map;
1598 1803
1599 $self->enter_map ($LINK_MAP, 20, 20); 1804 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1600} 1805}
1601 1806
1602sub cf::object::player::leave_link { 1807sub cf::object::player::leave_link {
1603 my ($self, $map, $x, $y) = @_; 1808 my ($self, $map, $x, $y) = @_;
1604 1809
1622 # use -1 or undef as default coordinates, not 0, 0 1827 # use -1 or undef as default coordinates, not 0, 0
1623 ($x, $y) = ($map->enter_x, $map->enter_y) 1828 ($x, $y) = ($map->enter_x, $map->enter_y)
1624 if $x <=0 && $y <= 0; 1829 if $x <=0 && $y <= 0;
1625 1830
1626 $map->load; 1831 $map->load;
1832 $map->load_diag;
1627 1833
1628 return unless $self->contr->active; 1834 return unless $self->contr->active;
1629 $self->activate_recursive; 1835 $self->activate_recursive;
1836
1837 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1630 $self->enter_map ($map, $x, $y); 1838 $self->enter_map ($map, $x, $y);
1631} 1839}
1632 1840
1633cf::player->attach ( 1841cf::player->attach (
1634 on_logout => sub { 1842 on_logout => sub {
1647 # try to abort aborted map switching on player login :) 1855 # try to abort aborted map switching on player login :)
1648 # should happen only on crashes 1856 # should happen only on crashes
1649 if ($pl->ob->{_link_pos}) { 1857 if ($pl->ob->{_link_pos}) {
1650 $pl->ob->enter_link; 1858 $pl->ob->enter_link;
1651 (async { 1859 (async {
1652 # we need this sleep as the login has a concurrent enter_exit running
1653 # and this sleep increases chances of the player not ending up in scorn
1654 $pl->ob->reply (undef, 1860 $pl->ob->reply (undef,
1655 "There was an internal problem at your last logout, " 1861 "There was an internal problem at your last logout, "
1656 . "the server will try to bring you to your intended destination in a second.", 1862 . "the server will try to bring you to your intended destination in a second.",
1657 cf::NDI_RED); 1863 cf::NDI_RED);
1864 # we need this sleep as the login has a concurrent enter_exit running
1865 # and this sleep increases chances of the player not ending up in scorn
1658 Coro::Timer::sleep 1; 1866 Coro::Timer::sleep 1;
1659 $pl->ob->leave_link; 1867 $pl->ob->leave_link;
1660 })->prio (2); 1868 })->prio (2);
1661 } 1869 }
1662 }, 1870 },
1670 my ($self, $path, $x, $y) = @_; 1878 my ($self, $path, $x, $y) = @_;
1671 1879
1672 $self->enter_link; 1880 $self->enter_link;
1673 1881
1674 (async { 1882 (async {
1675 $path = new cf::path $path; 1883 my $map = eval {
1676
1677 my $map = cf::map::find $path->as_string; 1884 my $map = cf::map::find $path;
1678 $map = $map->customise_for ($self) if $map; 1885 $map = $map->customise_for ($self) if $map;
1679 1886 $map
1680# warn "entering ", $map->path, " at ($x, $y)\n" 1887 } or
1681# if $map;
1682
1683 $map or $map->cluck ("oy");#d#
1684 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1888 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685 1889
1686 $self->leave_link ($map, $x, $y); 1890 $self->leave_link ($map, $x, $y);
1687 })->prio (1); 1891 })->prio (1);
1688} 1892}
1689 1893
1693 1897
1694sub parse_random_map_params { 1898sub parse_random_map_params {
1695 my ($spec) = @_; 1899 my ($spec) = @_;
1696 1900
1697 my $rmp = { # defaults 1901 my $rmp = { # defaults
1698 xsize => 10, 1902 xsize => (cf::rndm 15, 40),
1699 ysize => 10, 1903 ysize => (cf::rndm 15, 40),
1904 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1905 #layout => string,
1700 }; 1906 };
1701 1907
1702 for (split /\n/, $spec) { 1908 for (split /\n/, $spec) {
1703 my ($k, $v) = split /\s+/, $_, 2; 1909 my ($k, $v) = split /\s+/, $_, 2;
1704 1910
1708 $rmp 1914 $rmp
1709} 1915}
1710 1916
1711sub prepare_random_map { 1917sub prepare_random_map {
1712 my ($exit) = @_; 1918 my ($exit) = @_;
1919
1920 my $guard = cf::lock_acquire "exit_prepare:$exit";
1713 1921
1714 # all this does is basically replace the /! path by 1922 # all this does is basically replace the /! path by
1715 # a new random map path (?random/...) with a seed 1923 # a new random map path (?random/...) with a seed
1716 # that depends on the exit object 1924 # that depends on the exit object
1717 1925
1718 my $rmp = parse_random_map_params $exit->msg; 1926 my $rmp = parse_random_map_params $exit->msg;
1719 1927
1720 if ($exit->map) { 1928 if ($exit->map) {
1721 $rmp->{region} = $exit->map->region_name; 1929 $rmp->{region} = $exit->region->name;
1722 $rmp->{origin_map} = $exit->map->path; 1930 $rmp->{origin_map} = $exit->map->path;
1723 $rmp->{origin_x} = $exit->x; 1931 $rmp->{origin_x} = $exit->x;
1724 $rmp->{origin_y} = $exit->y; 1932 $rmp->{origin_y} = $exit->y;
1725 } 1933 }
1726 1934
1727 $rmp->{random_seed} ||= $exit->random_seed; 1935 $rmp->{random_seed} ||= $exit->random_seed;
1728 1936
1729 my $data = cf::to_json $rmp; 1937 my $data = cf::to_json $rmp;
1730 my $md5 = Digest::MD5::md5_hex $data; 1938 my $md5 = Digest::MD5::md5_hex $data;
1939 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1731 1940
1732 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1941 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733 aio_write $fh, 0, (length $data), $data, 0; 1942 aio_write $fh, 0, (length $data), $data, 0;
1943 undef $fh;
1944 aio_rename "$meta~", $meta;
1734 1945
1735 $exit->slaying ("?random/$md5"); 1946 $exit->slaying ("?random/$md5");
1736 $exit->msg (undef); 1947 $exit->msg (undef);
1737 } 1948 }
1738} 1949}
1739 1950
1740sub cf::object::player::enter_exit { 1951sub cf::object::player::enter_exit {
1741 my ($self, $exit) = @_; 1952 my ($self, $exit) = @_;
1742 1953
1743 return unless $self->type == cf::PLAYER; 1954 return unless $self->type == cf::PLAYER;
1955
1956 if ($exit->slaying eq "/!") {
1957 #TODO: this should de-fi-ni-te-ly not be a sync-job
1958 cf::sync_job { prepare_random_map $exit };
1959 }
1960
1961 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962 my $hp = $exit->stats->hp;
1963 my $sp = $exit->stats->sp;
1744 1964
1745 $self->enter_link; 1965 $self->enter_link;
1746 1966
1747 (async { 1967 (async {
1748 $self->deactivate_recursive; # just to be sure 1968 $self->deactivate_recursive; # just to be sure
1749 unless (eval { 1969 unless (eval {
1750 prepare_random_map $exit 1970 $self->goto ($slaying, $hp, $sp);
1751 if $exit->slaying eq "/!";
1752
1753 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755 1971
1756 1; 1972 1;
1757 }) { 1973 }) {
1758 $self->message ("Something went wrong deep within the crossfire server. " 1974 $self->message ("Something went wrong deep within the crossfire server. "
1759 . "I'll try to bring you back to the map you were before. " 1975 . "I'll try to bring you back to the map you were before. "
1760 . "Please report this to the dungeon master", 1976 . "Please report this to the dungeon master!",
1761 cf::NDI_UNIQUE | cf::NDI_RED); 1977 cf::NDI_UNIQUE | cf::NDI_RED);
1762 1978
1763 warn "ERROR in enter_exit: $@"; 1979 warn "ERROR in enter_exit: $@";
1764 $self->leave_link; 1980 $self->leave_link;
1765 } 1981 }
1820 # get handled first 2036 # get handled first
1821 my $queue = delete $ns->{query_queue} 2037 my $queue = delete $ns->{query_queue}
1822 or return; # be conservative, not sure how that can happen, but we saw a crash here 2038 or return; # be conservative, not sure how that can happen, but we saw a crash here
1823 2039
1824 (shift @$queue)->[1]->($msg); 2040 (shift @$queue)->[1]->($msg);
2041 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825 2042
1826 push @{ $ns->{query_queue} }, @$queue; 2043 push @{ $ns->{query_queue} }, @$queue;
1827 2044
1828 if (@{ $ns->{query_queue} } == @$queue) { 2045 if (@{ $ns->{query_queue} } == @$queue) {
1829 if (@$queue) { 2046 if (@$queue) {
1990The parameter C<$family> should best start with the name of the extension 2207The parameter C<$family> should best start with the name of the extension
1991using it, it should be unique. 2208using it, it should be unique.
1992 2209
1993=over 4 2210=over 4
1994 2211
1995=item $hashref = cf::db_get $family
1996
1997Return a hashref for use by the extension C<$family>, which can be
1998modified. After modifications, you have to call C<cf::db_dirty> or
1999C<cf::db_sync>.
2000
2001=item $value = cf::db_get $family => $key 2212=item $value = cf::db_get $family => $key
2002 2213
2003Returns a single value from the database 2214Returns a single value from the database.
2004
2005=item cf::db_put $family => $hashref
2006
2007Stores the given family hashref into the database. Updates are delayed, if
2008you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009 2215
2010=item cf::db_put $family => $key => $value 2216=item cf::db_put $family => $key => $value
2011 2217
2012Stores the given C<$value> in the family hash. Updates are delayed, if you 2218Stores the given C<$value> in the family.
2013want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015=item cf::db_dirty
2016
2017Marks the database as dirty, to be updated at a later time.
2018
2019=item cf::db_sync
2020
2021Immediately write the database to disk I<if it is dirty>.
2022 2219
2023=cut 2220=cut
2024 2221
2025our $DB; 2222our $DB;
2026 2223
2027{ 2224sub db_init {
2225 unless ($DB) {
2226 $DB = BDB::db_create $DB_ENV;
2227
2228 cf::sync_job {
2229 eval {
2230 $DB->set_flags (BDB::CHKSUM);
2231
2232 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234 cf::cleanup "db_open(db): $!" if $!;
2235 };
2236 cf::cleanup "db_open(db): $@" if $@;
2237 };
2238
2028 my $path = cf::localdir . "/database.pst"; 2239 my $path = cf::localdir . "/database.pst";
2240 if (stat $path) {
2241 cf::sync_job {
2242 my $pst = Storable::retrieve $path;
2029 2243
2030 sub db_load() { 2244 cf::db_put (board => data => $pst->{board});
2031 $DB = stat $path ? Storable::retrieve $path : { }; 2245 cf::db_put (guildrules => data => $pst->{guildrules});
2032 } 2246 cf::db_put (rent => balance => $pst->{rent}{balance});
2247 BDB::db_env_txn_checkpoint $DB_ENV;
2033 2248
2034 my $pid; 2249 unlink $path;
2035
2036 sub db_save() {
2037 waitpid $pid, 0 if $pid;
2038 if (0 == ($pid = fork)) {
2039 $DB->{_meta}{version} = 1;
2040 Storable::nstore $DB, "$path~";
2041 rename "$path~", $path;
2042 cf::_exit 0 if defined $pid;
2043 } 2250 };
2044 }
2045
2046 my $dirty;
2047
2048 sub db_sync() {
2049 db_save if $dirty;
2050 undef $dirty;
2051 }
2052
2053 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054 db_sync;
2055 });
2056
2057 sub db_dirty() {
2058 $dirty = 1;
2059 $idle->start;
2060 }
2061
2062 sub db_get($;$) {
2063 @_ >= 2
2064 ? $DB->{$_[0]}{$_[1]}
2065 : ($DB->{$_[0]} ||= { })
2066 }
2067
2068 sub db_put($$;$) {
2069 if (@_ >= 3) {
2070 $DB->{$_[0]}{$_[1]} = $_[2];
2071 } else {
2072 $DB->{$_[0]} = $_[1];
2073 }
2074 db_dirty;
2075 }
2076
2077 cf::global->attach (
2078 prio => 10000,
2079 on_cleanup => sub {
2080 db_sync;
2081 }, 2251 }
2082 ); 2252 }
2253}
2254
2255sub db_get($$) {
2256 my $key = "$_[0]/$_[1]";
2257
2258 cf::sync_job {
2259 BDB::db_get $DB, undef, $key, my $data;
2260
2261 $! ? ()
2262 : Compress::LZF::sthaw $data
2263 }
2264}
2265
2266sub db_put($$$) {
2267 BDB::dbreq_pri 4;
2268 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2083} 2269}
2084 2270
2085############################################################################# 2271#############################################################################
2086# the server's main() 2272# the server's init and main functions
2273
2274sub load_faces {
2275 my $path = sprintf "%s/faces", cf::datadir;
2276
2277 warn "loading faces from $path\n";
2278
2279 my $faces;
2280 0 < aio_load $path, $faces
2281 or die "$path: $!";
2282
2283 Coro::cede;
2284 $faces = Storable::thaw $faces;
2285 Coro::cede;
2286
2287 while (my ($face, $info) = each %$faces) {
2288 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2290 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2291 Coro::cede;
2292 }
2293
2294 1
2295}
2296
2297sub reload_resources {
2298 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2299 or die "unable to load regions file\n";#d#
2300 load_faces
2301 or die "unable to load faces\n";#d#
2302}
2303
2304sub init {
2305 reload_resources;
2306}
2087 2307
2088sub cfg_load { 2308sub cfg_load {
2089 open my $fh, "<:utf8", cf::confdir . "/config" 2309 open my $fh, "<:utf8", cf::confdir . "/config"
2090 or return; 2310 or return;
2091 2311
2108 2328
2109sub main { 2329sub main {
2110 # we must not ever block the main coroutine 2330 # we must not ever block the main coroutine
2111 local $Coro::idle = sub { 2331 local $Coro::idle = sub {
2112 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2332 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2333 (async {
2113 async { Event::one_event }; 2334 Event::one_event;
2335 })->prio (Coro::PRIO_MAX);
2114 }; 2336 };
2115 2337
2116 cfg_load; 2338 cfg_load;
2117 db_load; 2339 db_init;
2118 load_extensions; 2340 load_extensions;
2341
2342 $TICK_WATCHER->start;
2119 Event::loop; 2343 Event::loop;
2120} 2344}
2121 2345
2122############################################################################# 2346#############################################################################
2123# initialisation 2347# initialisation and cleanup
2348
2349# install some emergency cleanup handlers
2350BEGIN {
2351 for my $signal (qw(INT HUP TERM)) {
2352 Event->signal (
2353 reentrant => 0,
2354 data => WF_AUTOCANCEL,
2355 signal => $signal,
2356 prio => 0,
2357 cb => sub {
2358 cf::cleanup "SIG$signal";
2359 },
2360 );
2361 }
2362}
2363
2364sub emergency_save() {
2365 my $freeze_guard = cf::freeze_mainloop;
2366
2367 warn "enter emergency perl save\n";
2368
2369 cf::sync_job {
2370 # use a peculiar iteration method to avoid tripping on perl
2371 # refcount bugs in for. also avoids problems with players
2372 # and maps saved/destroyed asynchronously.
2373 warn "begin emergency player save\n";
2374 for my $login (keys %cf::PLAYER) {
2375 my $pl = $cf::PLAYER{$login} or next;
2376 $pl->valid or next;
2377 $pl->save;
2378 }
2379 warn "end emergency player save\n";
2380
2381 warn "begin emergency map save\n";
2382 for my $path (keys %cf::MAP) {
2383 my $map = $cf::MAP{$path} or next;
2384 $map->valid or next;
2385 $map->save;
2386 }
2387 warn "end emergency map save\n";
2388
2389 warn "begin emergency database checkpoint\n";
2390 BDB::db_env_txn_checkpoint $DB_ENV;
2391 warn "end emergency database checkpoint\n";
2392 };
2393
2394 warn "leave emergency perl save\n";
2395}
2396
2397sub post_cleanup {
2398 my ($make_core) = @_;
2399
2400 warn Carp::longmess "post_cleanup backtrace"
2401 if $make_core;
2402}
2124 2403
2125sub reload() { 2404sub reload() {
2126 # can/must only be called in main 2405 # can/must only be called in main
2127 if ($Coro::current != $Coro::main) { 2406 if ($Coro::current != $Coro::main) {
2128 warn "can only reload from main coroutine\n"; 2407 warn "can only reload from main coroutine";
2129 return; 2408 return;
2130 } 2409 }
2131 2410
2132 warn "reloading..."; 2411 warn "reloading...";
2133 2412
2134 my $guard = freeze_mainloop; 2413 warn "entering sync_job";
2414
2415 cf::sync_job {
2416 cf::write_runtime; # external watchdog should not bark
2135 cf::emergency_save; 2417 cf::emergency_save;
2418 cf::write_runtime; # external watchdog should not bark
2136 2419
2137 eval { 2420 warn "syncing database to disk";
2421 BDB::db_env_txn_checkpoint $DB_ENV;
2422
2138 # if anything goes wrong in here, we should simply crash as we already saved 2423 # if anything goes wrong in here, we should simply crash as we already saved
2139 2424
2140 # cancel all watchers 2425 warn "cancelling all WF_AUTOCANCEL watchers";
2141 for (Event::all_watchers) { 2426 for (Event::all_watchers) {
2142 $_->cancel if $_->data & WF_AUTOCANCEL; 2427 $_->cancel if $_->data & WF_AUTOCANCEL;
2143 } 2428 }
2144 2429
2430 warn "flushing outstanding aio requests";
2431 for (;;) {
2432 BDB::flush;
2433 IO::AIO::flush;
2434 Coro::cede;
2435 last unless IO::AIO::nreqs || BDB::nreqs;
2436 warn "iterate...";
2437 }
2438
2439 ++$RELOAD;
2440
2145 # cancel all extension coros 2441 warn "cancelling all extension coros";
2146 $_->cancel for values %EXT_CORO; 2442 $_->cancel for values %EXT_CORO;
2147 %EXT_CORO = (); 2443 %EXT_CORO = ();
2148 2444
2149 # unload all extensions 2445 warn "removing commands";
2150 for (@exts) { 2446 %COMMAND = ();
2447
2448 warn "removing ext commands";
2449 %EXTCMD = ();
2450
2451 warn "unloading/nuking all extensions";
2452 for my $pkg (@EXTS) {
2151 warn "unloading <$_>"; 2453 warn "... unloading $pkg";
2152 unload_extension $_; 2454
2455 if (my $cb = $pkg->can ("unload")) {
2456 eval {
2457 $cb->($pkg);
2458 1
2459 } or warn "$pkg unloaded, but with errors: $@";
2153 } 2460 }
2154 2461
2462 warn "... nuking $pkg";
2463 Symbol::delete_package $pkg;
2464 }
2465
2155 # unload all modules loaded from $LIBDIR 2466 warn "unloading all perl modules loaded from $LIBDIR";
2156 while (my ($k, $v) = each %INC) { 2467 while (my ($k, $v) = each %INC) {
2157 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2468 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158 2469
2159 warn "removing <$k>"; 2470 warn "... unloading $k";
2160 delete $INC{$k}; 2471 delete $INC{$k};
2161 2472
2162 $k =~ s/\.pm$//; 2473 $k =~ s/\.pm$//;
2163 $k =~ s/\//::/g; 2474 $k =~ s/\//::/g;
2164 2475
2167 } 2478 }
2168 2479
2169 Symbol::delete_package $k; 2480 Symbol::delete_package $k;
2170 } 2481 }
2171 2482
2172 # sync database to disk
2173 cf::db_sync;
2174 IO::AIO::flush;
2175
2176 # get rid of safe::, as good as possible 2483 warn "getting rid of safe::, as good as possible";
2177 Symbol::delete_package "safe::$_" 2484 Symbol::delete_package "safe::$_"
2178 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2485 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179 2486
2180 # remove register_script_function callbacks
2181 # TODO
2182
2183 # unload cf.pm "a bit" 2487 warn "unloading cf.pm \"a bit\"";
2184 delete $INC{"cf.pm"}; 2488 delete $INC{"cf.pm"};
2185 2489
2186 # don't, removes xs symbols, too, 2490 # don't, removes xs symbols, too,
2187 # and global variables created in xs 2491 # and global variables created in xs
2188 #Symbol::delete_package __PACKAGE__; 2492 #Symbol::delete_package __PACKAGE__;
2189 2493
2190 # reload cf.pm 2494 warn "unload completed, starting to reload now";
2495
2191 warn "reloading cf.pm"; 2496 warn "reloading cf.pm";
2192 require cf; 2497 require cf;
2193 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2498 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194 2499
2195 # load config and database again 2500 warn "loading config and database again";
2196 cf::cfg_load; 2501 cf::cfg_load;
2197 cf::db_load;
2198 2502
2199 # load extensions
2200 warn "load extensions"; 2503 warn "loading extensions";
2201 cf::load_extensions; 2504 cf::load_extensions;
2202 2505
2203 # reattach attachments to objects 2506 warn "reattaching attachments to objects/players";
2204 warn "reattach"; 2507 _global_reattach; # objects, sockets
2205 _global_reattach; 2508 warn "reattaching attachments to maps";
2206 reattach $_ for values %MAP; 2509 reattach $_ for values %MAP;
2207 }; 2510 warn "reattaching attachments to players";
2511 reattach $_ for values %PLAYER;
2208 2512
2209 if ($@) { 2513 warn "loading reloadable resources";
2514 reload_resources;
2515
2516 warn "leaving sync_job";
2517
2518 1
2519 } or do {
2210 warn $@; 2520 warn $@;
2211 warn "error while reloading, exiting."; 2521 warn "error while reloading, exiting.";
2212 exit 1; 2522 exit 1;
2213 } 2523 };
2214 2524
2215 warn "reloaded successfully"; 2525 warn "reloaded";
2216}; 2526};
2217 2527
2218############################################################################# 2528our $RELOAD_WATCHER; # used only during reload
2219
2220unless ($LINK_MAP) {
2221 $LINK_MAP = cf::map::new;
2222
2223 $LINK_MAP->width (41);
2224 $LINK_MAP->height (41);
2225 $LINK_MAP->alloc;
2226 $LINK_MAP->path ("{link}");
2227 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230 # dirty hack because... archetypes are not yet loaded
2231 Event->timer (
2232 after => 10,
2233 cb => sub {
2234 $_[0]->w->cancel;
2235
2236 # provide some exits "home"
2237 my $exit = cf::object::new "exit";
2238
2239 $exit->slaying ($EMERGENCY_POSITION->[0]);
2240 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243 $LINK_MAP->insert ($exit->clone, 19, 19);
2244 $LINK_MAP->insert ($exit->clone, 19, 20);
2245 $LINK_MAP->insert ($exit->clone, 19, 21);
2246 $LINK_MAP->insert ($exit->clone, 20, 19);
2247 $LINK_MAP->insert ($exit->clone, 20, 21);
2248 $LINK_MAP->insert ($exit->clone, 21, 19);
2249 $LINK_MAP->insert ($exit->clone, 21, 20);
2250 $LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252 $exit->destroy;
2253 });
2254
2255 $LINK_MAP->{deny_save} = 1;
2256 $LINK_MAP->{deny_reset} = 1;
2257
2258 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259}
2260
2261register "<global>", __PACKAGE__;
2262 2529
2263register_command "reload" => sub { 2530register_command "reload" => sub {
2264 my ($who, $arg) = @_; 2531 my ($who, $arg) = @_;
2265 2532
2266 if ($who->flag (FLAG_WIZ)) { 2533 if ($who->flag (FLAG_WIZ)) {
2267 $who->message ("start of reload."); 2534 $who->message ("reloading server.");
2535
2536 # doing reload synchronously and two reloads happen back-to-back,
2537 # coro crashes during coro_state_free->destroy here.
2538
2539 $RELOAD_WATCHER ||= Event->timer (
2540 reentrant => 0,
2541 after => 0,
2542 data => WF_AUTOCANCEL,
2543 cb => sub {
2268 reload; 2544 reload;
2269 $who->message ("end of reload."); 2545 undef $RELOAD_WATCHER;
2546 },
2547 );
2270 } 2548 }
2271}; 2549};
2272 2550
2273unshift @INC, $LIBDIR; 2551unshift @INC, $LIBDIR;
2552
2553my $bug_warning = 0;
2274 2554
2275$TICK_WATCHER = Event->timer ( 2555$TICK_WATCHER = Event->timer (
2276 reentrant => 0, 2556 reentrant => 0,
2557 parked => 1,
2277 prio => 0, 2558 prio => 0,
2278 at => $NEXT_TICK || $TICK, 2559 at => $NEXT_TICK || $TICK,
2279 data => WF_AUTOCANCEL, 2560 data => WF_AUTOCANCEL,
2280 cb => sub { 2561 cb => sub {
2562 if ($Coro::current != $Coro::main) {
2563 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564 unless ++$bug_warning > 10;
2565 return;
2566 }
2567
2568 $NOW = Event::time;
2569
2281 cf::server_tick; # one server iteration 2570 cf::server_tick; # one server iteration
2282 $RUNTIME += $TICK; 2571 $RUNTIME += $TICK;
2283 $NEXT_TICK += $TICK; 2572 $NEXT_TICK += $TICK;
2573
2574 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575 $NEXT_RUNTIME_WRITE = $NOW + 10;
2576 Coro::async_pool {
2577 write_runtime
2578 or warn "ERROR: unable to write runtime file: $!";
2579 };
2580 }
2581
2582 $WAIT_FOR_TICK->broadcast;
2583 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584
2585# my $AFTER = Event::time;
2586# warn $AFTER - $NOW;#d#
2284 2587
2285 # if we are delayed by four ticks or more, skip them all 2588 # if we are delayed by four ticks or more, skip them all
2286 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2589 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287 2590
2288 $TICK_WATCHER->at ($NEXT_TICK); 2591 $TICK_WATCHER->at ($NEXT_TICK);
2289 $TICK_WATCHER->start; 2592 $TICK_WATCHER->start;
2290 }, 2593 },
2291); 2594);
2292 2595
2596{
2293IO::AIO::max_poll_time $TICK * 0.2; 2597 BDB::max_poll_time $TICK * 0.1;
2294 2598 $BDB_POLL_WATCHER = Event->io (
2295Event->io ( 2599 reentrant => 0,
2296 fd => IO::AIO::poll_fileno, 2600 fd => BDB::poll_fileno,
2297 poll => 'r', 2601 poll => 'r',
2298 prio => 5, 2602 prio => 0,
2299 data => WF_AUTOCANCEL,
2300 cb => \&IO::AIO::poll_cb,
2301);
2302
2303Event->timer (
2304 data => WF_AUTOCANCEL, 2603 data => WF_AUTOCANCEL,
2305 after => 0, 2604 cb => \&BDB::poll_cb,
2306 interval => 10, 2605 );
2307 cb => sub { 2606 BDB::min_parallel 8;
2308 (Coro::unblock_sub { 2607
2309 write_runtime 2608 BDB::set_sync_prepare {
2310 or warn "ERROR: unable to write runtime file: $!"; 2609 my $status;
2610 my $current = $Coro::current;
2611 (
2612 sub {
2613 $status = $!;
2614 $current->ready; undef $current;
2615 },
2616 sub {
2617 Coro::schedule while defined $current;
2618 $! = $status;
2619 },
2620 )
2621 };
2622
2623 unless ($DB_ENV) {
2624 $DB_ENV = BDB::db_env_create;
2625
2626 cf::sync_job {
2627 eval {
2628 BDB::db_env_open
2629 $DB_ENV,
2630 $BDB_ENV_DIR,
2631 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633 0666;
2634
2635 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2636
2637 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638 $DB_ENV->set_lk_detect;
2639 };
2640
2641 cf::cleanup "db_env_open(db): $@" if $@;
2311 })->(); 2642 };
2312 }, 2643 }
2313); 2644}
2645
2646{
2647 IO::AIO::min_parallel 8;
2648
2649 undef $Coro::AIO::WATCHER;
2650 IO::AIO::max_poll_time $TICK * 0.1;
2651 $AIO_POLL_WATCHER = Event->io (
2652 reentrant => 0,
2653 data => WF_AUTOCANCEL,
2654 fd => IO::AIO::poll_fileno,
2655 poll => 'r',
2656 prio => 6,
2657 cb => \&IO::AIO::poll_cb,
2658 );
2659}
2314 2660
2315END { cf::emergency_save } 2661END { cf::emergency_save }
2316 2662
23171 26631
2318 2664

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