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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.149 by root, Mon Jan 8 14:11:05 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 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;
21use Coro::Storable;
19 22
23use BDB ();
24use Data::Dumper;
20use Digest::MD5; 25use Digest::MD5;
21use Fcntl; 26use Fcntl;
27use YAML::Syck ();
22use IO::AIO 2.32 (); 28use IO::AIO 2.32 ();
23use YAML::Syck ();
24use Time::HiRes; 29use Time::HiRes;
30use Compress::LZF;
25 31
32# configure various modules to our taste
33#
34$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 38$Event::Eval = 1; # no idea why this is required, but it is
27 39
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 41$YAML::Syck::ImplicitUnicode = 1;
30 42
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 44
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 46
35our %COMMAND = (); 47our %COMMAND = ();
36our %COMMAND_TIME = (); 48our %COMMAND_TIME = ();
49
50our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 51our %EXTCMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps
38 54
55our $RELOAD; # number of reloads so far
39our @EVENT; 56our @EVENT;
40our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
41 58
42our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 60our $TICK_WATCHER;
61our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 63our $NEXT_TICK;
45our $NOW; 64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off
66
67our $BDB_POLL_WATCHER;
68our $DB_ENV;
46 69
47our %CFG; 70our %CFG;
48 71
49our $UPTIME; $UPTIME ||= time; 72our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 73our $RUNTIME;
51 74
52our %PLAYER; # all users 75our %PLAYER; # all users
53our %MAP; # all maps 76our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 77our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; # coroutines bound to extensions 79our $BDB_ENV_DIR = cf::localdir . "/db";
80
81our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83
84# used to convert map paths into valid unix filenames by replacing / by ∕
85our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 86
58binmode STDOUT; 87binmode STDOUT;
59binmode STDERR; 88binmode STDERR;
60 89
61# read virtual server time, if available 90# read virtual server time, if available
68mkdir cf::localdir; 97mkdir cf::localdir;
69mkdir cf::localdir . "/" . cf::playerdir; 98mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 99mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 100mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 101mkdir $RANDOM_MAPS;
102mkdir $BDB_ENV_DIR;
73 103
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 104our $EMERGENCY_POSITION;
105
106sub cf::map::normalise;
77 107
78############################################################################# 108#############################################################################
79 109
80=head2 GLOBAL VARIABLES 110=head2 GLOBAL VARIABLES
81 111
105 135
106=item %cf::CFG 136=item %cf::CFG
107 137
108Configuration for the server, loaded from C</etc/crossfire/config>, or 138Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 139from wherever your confdir points to.
140
141=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
142
143These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
144or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
145processing has been done. Call C<< ->wait >> on them to maximise the
146window of cpu time available, or simply to synchronise to the server tick.
110 147
111=back 148=back
112 149
113=cut 150=cut
114 151
146 183
147$Event::DIED = sub { 184$Event::DIED = sub {
148 warn "error in event callback: @_"; 185 warn "error in event callback: @_";
149}; 186};
150 187
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 188=head2 UTILITY FUNCTIONS
156 189
157=over 4 190=over 4
158 191
159=cut 192=item dumpval $ref
160 193
194=cut
195
196sub dumpval {
197 eval {
198 local $SIG{__DIE__};
199 my $d;
200 if (1) {
201 $d = new Data::Dumper([$_[0]], ["*var"]);
202 $d->Terse(1);
203 $d->Indent(2);
204 $d->Quotekeys(0);
205 $d->Useqq(1);
206 #$d->Bless(...);
207 $d->Seen($_[1]) if @_ > 1;
208 $d = $d->Dump();
209 }
210 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211 $d
212 } || "[unable to dump $_[0]: '$@']";
213}
214
161use JSON::Syck (); # TODO# replace by JSON::PC once working 215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162 216
163=item $ref = cf::from_json $json 217=item $ref = cf::from_json $json
164 218
165Converts a JSON string into the corresponding perl data structure. 219Converts a JSON string into the corresponding perl data structure.
166 220
167=cut
168
169sub from_json($) {
170 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171 JSON::Syck::Load $_[0]
172}
173
174=item $json = cf::to_json $ref 221=item $json = cf::to_json $ref
175 222
176Converts a perl data structure into its JSON representation. 223Converts a perl data structure into its JSON representation.
177
178=cut
179
180sub to_json($) {
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182 JSON::Syck::Dump $_[0]
183}
184 224
185=item cf::lock_wait $string 225=item cf::lock_wait $string
186 226
187Wait until the given lock is available. See cf::lock_acquire. 227Wait until the given lock is available. See cf::lock_acquire.
188 228
225} 265}
226 266
227sub freeze_mainloop { 267sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 268 return unless $TICK_WATCHER->is_active;
229 269
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 270 my $guard = Coro::guard {
271 $TICK_WATCHER->start;
272 };
231 $TICK_WATCHER->stop; 273 $TICK_WATCHER->stop;
232 $guard 274 $guard
233} 275}
234 276
235=item cf::async { BLOCK } 277=item cf::async { BLOCK }
287 } 329 }
288} 330}
289 331
290=item $coro = cf::async_ext { BLOCK } 332=item $coro = cf::async_ext { BLOCK }
291 333
292Like async, but this coro is automcatially being canceled when the 334Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 335extension calling this is being unloaded.
294 336
295=cut 337=cut
296 338
297sub async_ext(&) { 339sub async_ext(&) {
306 348
307 $coro 349 $coro
308} 350}
309 351
310sub write_runtime { 352sub write_runtime {
353 my $guard = cf::lock_acquire "write_runtime";
354
311 my $runtime = cf::localdir . "/runtime"; 355 my $runtime = cf::localdir . "/runtime";
312 356
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314 or return; 358 or return;
315 359
360 my $value = $cf::RUNTIME + 90 + 10;
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 361 # 10 is the runtime save interval, for a monotonic clock
362 # 60 allows for the watchdog to kill the server.
363
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0 364 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return; 365 and return;
319 366
367 # always fsync - this file is important
320 aio_fsync $fh 368 aio_fsync $fh
321 and return; 369 and return;
322 370
323 close $fh 371 close $fh
324 or return; 372 or return;
327 and return; 375 and return;
328 376
329 1 377 1
330} 378}
331 379
380=item cf::datalog type => key => value, ...
381
382Log a datalog packet of the given type with the given key-value pairs.
383
384=cut
385
386sub datalog($@) {
387 my ($type, %kv) = @_;
388 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389}
390
332=back 391=back
333 392
334=cut 393=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($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;
455 394
456############################################################################# 395#############################################################################
457 396
458=head2 ATTACHABLE OBJECTS 397=head2 ATTACHABLE OBJECTS
459 398
585our @CB_TYPE = (); # registry for type (cf-object class) based events 524our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 525our @CB_MAP = ();
587 526
588my %attachment; 527my %attachment;
589 528
529sub cf::attachable::thawer_merge {
530 # simply override everything except _meta
531 local $_[0]{_meta};
532 %{$_[0]} = %{$_[1]};
533}
534
590sub _attach_cb($$$$) { 535sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 536 my ($registry, $event, $prio, $cb) = @_;
592 537
593 use sort 'stable'; 538 use sort 'stable';
594 539
765# object support 710# object support
766 711
767sub reattach { 712sub reattach {
768 # basically do the same as instantiate, without calling instantiate 713 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 714 my ($obj) = @_;
715
716 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 717
771 my $registry = $obj->registry; 718 my $registry = $obj->registry;
772 719
773 @$registry = (); 720 @$registry = ();
774 721
821 $filename, length $$rdata, scalar @$objs; 768 $filename, length $$rdata, scalar @$objs;
822 769
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 771 chmod SAVE_MODE, $fh;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 772 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826 aio_fsync $fh; 773 aio_fsync $fh if $cf::USE_FSYNC;
827 close $fh; 774 close $fh;
828 775
829 if (@$objs) { 776 if (@$objs) {
830 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 777 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831 chmod SAVE_MODE, $fh; 778 chmod SAVE_MODE, $fh;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 779 my $data = Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 780 aio_write $fh, 0, (length $data), $data, 0;
834 aio_fsync $fh; 781 aio_fsync $fh if $cf::USE_FSYNC;
835 close $fh; 782 close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 783 aio_rename "$filename.pst~", "$filename.pst";
837 } 784 }
838 } else { 785 } else {
839 aio_unlink "$filename.pst"; 786 aio_unlink "$filename.pst";
906=cut 853=cut
907 854
908sub register_extcmd { 855sub register_extcmd {
909 my ($name, $cb) = @_; 856 my ($name, $cb) = @_;
910 857
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 858 $EXTCMD{$name} = $cb;
915} 859}
916 860
917cf::player->attach ( 861cf::player->attach (
918 on_command => sub { 862 on_command => sub {
919 my ($pl, $name, $params) = @_; 863 my ($pl, $name, $params) = @_;
932 876
933 my $msg = eval { from_json $buf }; 877 my $msg = eval { from_json $buf };
934 878
935 if (ref $msg) { 879 if (ref $msg) {
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 880 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 881 if (my %reply = $cb->($pl, $msg)) {
938 $pl->ext_reply ($msg->{msgid}, %reply); 882 $pl->ext_reply ($msg->{msgid}, %reply);
939 } 883 }
940 } 884 }
941 } else { 885 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 886 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
944 888
945 cf::override; 889 cf::override;
946 }, 890 },
947); 891);
948 892
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 893sub load_extension {
956 my ($path) = @_; 894 my ($path) = @_;
957 895
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 896 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1; 897 my $base = $1;
960 my $pkg = $1; 898 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g; 899 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg"; 900 $pkg = "ext::$pkg";
963 901
964 warn "loading '$path' into '$pkg'\n"; 902 warn "... loading '$path' into '$pkg'\n";
965 903
966 open my $fh, "<:utf8", $path 904 open my $fh, "<:utf8", $path
967 or die "$path: $!"; 905 or die "$path: $!";
968 906
969 my $source = 907 my $source =
970 "package $pkg; use strict; use utf8;\n" 908 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n" 909 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> }) 910 . (do { local $/; <$fh> })
973 . "\n};\n1"; 911 . "\n};\n1";
974 912
975 eval $source 913 unless (eval $source) {
976 or die $@ ? "$path: $@\n" 914 my $msg = $@ ? "$path: $@\n"
977 : "extension disabled.\n"; 915 : "extension disabled.\n";
978 916 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979 push @exts, $pkg; 917 warn $@;
980 $ext_pkg{$base} = $pkg; 918 warn "mandatory extension failed to load, exiting.\n";
981 919 exit 1;
982# no strict 'refs'; 920 }
983# @{"$pkg\::ISA"} = ext::; 921 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# } 922 }
998 923
999 # remove commands 924 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} 925}
1024 926
1025sub load_extensions { 927sub load_extensions {
1026 for my $ext (<$LIBDIR/*.ext>) { 928 for my $ext (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 929 next unless -r $ext;
1031 } or warn "$ext not loaded: $@"; 933 } or warn "$ext not loaded: $@";
1032 } 934 }
1033} 935}
1034 936
1035############################################################################# 937#############################################################################
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 938
1073=head2 CORE EXTENSIONS 939=head2 CORE EXTENSIONS
1074 940
1075Functions and methods that extend core crossfire objects. 941Functions and methods that extend core crossfire objects.
1076 942
1077=cut 943=cut
1078 944
1079package cf::player; 945package cf::player;
946
947use Coro::AIO;
1080 948
1081=head3 cf::player 949=head3 cf::player
1082 950
1083=over 4 951=over 4
1084 952
1097} 965}
1098 966
1099sub path($) { 967sub path($) {
1100 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101 969
1102 (playerdir $login) . "/$login.pl" 970 (playerdir $login) . "/playerdata"
1103} 971}
1104 972
1105sub find_active($) { 973sub find_active($) {
1106 $cf::PLAYER{$_[0]} 974 $cf::PLAYER{$_[0]}
1107 and $cf::PLAYER{$_[0]}->active 975 and $cf::PLAYER{$_[0]}->active
1110 978
1111sub exists($) { 979sub exists($) {
1112 my ($login) = @_; 980 my ($login) = @_;
1113 981
1114 $cf::PLAYER{$login} 982 $cf::PLAYER{$login}
1115 or cf::sync_job { !aio_stat $login } 983 or cf::sync_job { !aio_stat path $login }
1116} 984}
1117 985
1118sub find($) { 986sub find($) {
1119 return $cf::PLAYER{$_[0]} || do { 987 return $cf::PLAYER{$_[0]} || do {
1120 my $login = $_[0]; 988 my $login = $_[0];
1121 989
1122 my $guard = cf::lock_acquire "user_find:$login"; 990 my $guard = cf::lock_acquire "user_find:$login";
1123 991
1124 $cf::PLAYER{$login} ||= (load_pl path $login or return); 992 $cf::PLAYER{$_[0]} || do {
993 # rename old playerfiles to new ones
994 #TODO: remove when no longer required
995 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997 aio_unlink +(playerdir $login) . "/$login.pl.pst";
998 aio_unlink +(playerdir $login) . "/$login.pl";
999
1000 my $pl = load_pl path $login
1001 or return;
1002 $cf::PLAYER{$login} = $pl
1003 }
1125 }; 1004 }
1126} 1005}
1127 1006
1128sub save($) { 1007sub save($) {
1129 my ($pl) = @_; 1008 my ($pl) = @_;
1130 1009
1133 my $path = path $pl; 1012 my $path = path $pl;
1134 my $guard = cf::lock_acquire "user_save:$path"; 1013 my $guard = cf::lock_acquire "user_save:$path";
1135 1014
1136 return if $pl->{deny_save}; 1015 return if $pl->{deny_save};
1137 1016
1138 Coro::AIO::aio_mkdir playerdir $pl, 0770; 1017 aio_mkdir playerdir $pl, 0770;
1139 $pl->{last_save} = $cf::RUNTIME; 1018 $pl->{last_save} = $cf::RUNTIME;
1140 1019
1141 $pl->save_pl ($path); 1020 $pl->save_pl ($path);
1142 Coro::cede; 1021 Coro::cede;
1143} 1022}
1153 $cf::PLAYER{$login} = $self; 1032 $cf::PLAYER{$login} = $self;
1154 1033
1155 $self 1034 $self
1156} 1035}
1157 1036
1037=item $pl->quit_character
1038
1039Nukes the player without looking back. If logged in, the connection will
1040be destroyed. May block for a long time.
1041
1042=cut
1043
1158sub quit_character { 1044sub quit_character {
1159 my ($pl) = @_; 1045 my ($pl) = @_;
1046
1047 my $name = $pl->ob->name;
1160 1048
1161 $pl->{deny_save} = 1; 1049 $pl->{deny_save} = 1;
1162 $pl->password ("*"); # this should lock out the player until we nuked the dir 1050 $pl->password ("*"); # this should lock out the player until we nuked the dir
1163 1051
1164 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1166 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1054 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1167 $pl->ns->destroy if $pl->ns; 1055 $pl->ns->destroy if $pl->ns;
1168 1056
1169 my $path = playerdir $pl; 1057 my $path = playerdir $pl;
1170 my $temp = "$path~$cf::RUNTIME~deleting~"; 1058 my $temp = "$path~$cf::RUNTIME~deleting~";
1171 IO::AIO::aio_rename $path, $temp, sub { 1059 aio_rename $path, $temp;
1172 delete $cf::PLAYER{$pl->ob->name}; 1060 delete $cf::PLAYER{$pl->ob->name};
1173 $pl->destroy; 1061 $pl->destroy;
1174 1062
1063 my $prefix = qr<^~\Q$name\E/>;
1064
1065 # nuke player maps
1066 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1067
1175 IO::AIO::aio_rmtree $temp; 1068 IO::AIO::aio_rmtree $temp;
1069}
1070
1071=item $pl->kick
1072
1073Kicks a player out of the game. This destroys the connection.
1074
1075=cut
1076
1077sub kick {
1078 my ($pl, $kicker) = @_;
1079
1080 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1081 $pl->killer ("kicked");
1082 $pl->ns->destroy;
1083}
1084
1085=item cf::player::list_logins
1086
1087Returns am arrayref of all valid playernames in the system, can take a
1088while and may block, so not sync_job-capable, ever.
1089
1090=cut
1091
1092sub list_logins {
1093 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1094 or return [];
1095
1096 my @logins;
1097
1098 for my $login (@$dirs) {
1099 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1100 aio_read $fh, 0, 512, my $buf, 0 or next;
1101 $buf !~ /^password -------------$/m or next; # official not-valid tag
1102
1103 utf8::decode $login;
1104 push @logins, $login;
1176 }; 1105 }
1177}
1178 1106
1107 \@logins
1108}
1109
1110=item $player->maps
1111
1112Returns an arrayref of map paths that are private for this
1113player. May block.
1114
1115=cut
1116
1117sub maps($) {
1118 my ($pl) = @_;
1119
1120 $pl = ref $pl ? $pl->ob->name : $pl;
1121
1122 my $files = aio_readdir playerdir $pl
1123 or return;
1124
1125 my @paths;
1126
1127 for (@$files) {
1128 utf8::decode $_;
1129 next if /\.(?:pl|pst)$/;
1130 next unless /^$PATH_SEP/o;
1131
1132 push @paths, cf::map::normalise "~$pl/$_";
1133 }
1134
1135 \@paths
1136}
1137
1179=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1180 1139
1181Sends an ext reply to the player. 1140Sends an ext reply to the player.
1182 1141
1183=cut 1142=cut
1184 1143
1185sub ext_reply($$$%) { 1144sub ext_reply($$%) {
1186 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1187 1146
1188 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1189 1148
1190 $self->send ("ext " . cf::to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1191} 1150}
1192 1151
1193package cf; 1152=item $player->ext_event ($type, %msg)
1153
1154Sends an ext event to the client.
1155
1156=cut
1157
1158sub ext_event($$%) {
1159 my ($self, $type, %msg) = @_;
1160
1161 $self->ns->ext_event ($type, %msg);
1162}
1163
1164=head3 cf::region
1165
1166=over 4
1167
1168=cut
1169
1170package cf::region;
1171
1172=item cf::region::find_by_path $path
1173
1174Tries to decuce the probable region for a map knowing only its path.
1175
1176=cut
1177
1178sub find_by_path($) {
1179 my ($path) = @_;
1180
1181 my ($match, $specificity);
1182
1183 for my $region (list) {
1184 if ($region->match && $path =~ $region->match) {
1185 ($match, $specificity) = ($region, $region->specificity)
1186 if $region->specificity > $specificity;
1187 }
1188 }
1189
1190 $match
1191}
1194 1192
1195=back 1193=back
1196
1197 1194
1198=head3 cf::map 1195=head3 cf::map
1199 1196
1200=over 4 1197=over 4
1201 1198
1204package cf::map; 1201package cf::map;
1205 1202
1206use Fcntl; 1203use Fcntl;
1207use Coro::AIO; 1204use Coro::AIO;
1208 1205
1206use overload
1207 '""' => \&as_string,
1208 fallback => 1;
1209
1209our $MAX_RESET = 3600; 1210our $MAX_RESET = 3600;
1210our $DEFAULT_RESET = 3000; 1211our $DEFAULT_RESET = 3000;
1211 1212
1212sub generate_random_map { 1213sub generate_random_map {
1213 my ($path, $rmp) = @_; 1214 my ($self, $rmp) = @_;
1214
1215 # mit "rum" bekleckern, nicht 1215 # mit "rum" bekleckern, nicht
1216 cf::map::_create_random_map 1216 $self->_create_random_map (
1217 $path,
1218 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1217 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1218 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1219 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221 $rmp->{exit_on_final_map}, 1220 $rmp->{exit_on_final_map},
1222 $rmp->{xsize}, $rmp->{ysize}, 1221 $rmp->{xsize}, $rmp->{ysize},
1223 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1222 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1223 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1224 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1225 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1227 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1226 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228 (cf::region::find $rmp->{region}) 1227 (cf::region::find $rmp->{region}), $rmp->{custom}
1228 )
1229}
1230
1231=item cf::map->register ($regex, $prio)
1232
1233Register a handler for the map path matching the given regex at the
1234givne priority (higher is better, built-in handlers have priority 0, the
1235default).
1236
1237=cut
1238
1239sub register {
1240 my (undef, $regex, $prio) = @_;
1241 my $pkg = caller;
1242
1243 no strict;
1244 push @{"$pkg\::ISA"}, __PACKAGE__;
1245
1246 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247}
1248
1249# also paths starting with '/'
1250$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1251
1252sub thawer_merge {
1253 my ($self, $merge) = @_;
1254
1255 # we have to keep some variables in memory intact
1256 local $self->{path};
1257 local $self->{load_path};
1258 local $self->{deny_save};
1259 local $self->{deny_reset};
1260
1261 $self->SUPER::thawer_merge ($merge);
1262}
1263
1264sub normalise {
1265 my ($path, $base) = @_;
1266
1267 $path = "$path"; # make sure its a string
1268
1269 $path =~ s/\.map$//;
1270
1271 # map plan:
1272 #
1273 # /! non-realised random map exit (special hack!)
1274 # {... are special paths that are not being touched
1275 # ?xxx/... are special absolute paths
1276 # ?random/... random maps
1277 # /... normal maps
1278 # ~user/... per-player map of a specific user
1279
1280 $path =~ s/$PATH_SEP/\//go;
1281
1282 # treat it as relative path if it starts with
1283 # something that looks reasonable
1284 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1285 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1286
1287 $base =~ s{[^/]+/?$}{};
1288 $path = "$base/$path";
1289 }
1290
1291 for ($path) {
1292 redo if s{//}{/};
1293 redo if s{/\.?/}{/};
1294 redo if s{/[^/]+/\.\./}{/};
1295 }
1296
1297 $path
1298}
1299
1300sub new_from_path {
1301 my (undef, $path, $base) = @_;
1302
1303 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1304
1305 $path = normalise $path, $base;
1306
1307 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1308 if ($path =~ $EXT_MAP{$pkg}[1]) {
1309 my $self = bless cf::map::new, $pkg;
1310 $self->{path} = $path; $self->path ($path);
1311 $self->init; # pass $1 etc.
1312 return $self;
1313 }
1314 }
1315
1316 Carp::carp "unable to resolve path '$path' (base '$base').";
1317 ()
1318}
1319
1320sub init {
1321 my ($self) = @_;
1322
1323 $self
1324}
1325
1326sub as_string {
1327 my ($self) = @_;
1328
1329 "$self->{path}"
1330}
1331
1332# the displayed name, this is a one way mapping
1333sub visible_name {
1334 &as_string
1335}
1336
1337# the original (read-only) location
1338sub load_path {
1339 my ($self) = @_;
1340
1341 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1342}
1343
1344# the temporary/swap location
1345sub save_path {
1346 my ($self) = @_;
1347
1348 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1350}
1351
1352# the unique path, undef == no special unique path
1353sub uniq_path {
1354 my ($self) = @_;
1355
1356 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1229} 1358}
1230 1359
1231# and all this just because we cannot iterate over 1360# and all this just because we cannot iterate over
1232# all maps in C++... 1361# all maps in C++...
1233sub change_all_map_light { 1362sub change_all_map_light {
1235 1364
1236 $_->change_map_light ($change) 1365 $_->change_map_light ($change)
1237 for grep $_->outdoor, values %cf::MAP; 1366 for grep $_->outdoor, values %cf::MAP;
1238} 1367}
1239 1368
1369sub unlink_save {
1370 my ($self) = @_;
1371
1372 utf8::encode (my $save = $self->save_path);
1373 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1374 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1375}
1376
1240sub try_load_header($) { 1377sub load_header_from($) {
1241 my ($path) = @_; 1378 my ($self, $path) = @_;
1242 1379
1243 utf8::encode $path; 1380 utf8::encode $path;
1244 aio_open $path, O_RDONLY, 0 1381 #aio_open $path, O_RDONLY, 0
1382 # or return;
1383
1384 $self->_load_header ($path)
1245 or return; 1385 or return;
1246 1386
1247 my $map = cf::map::new 1387 $self->{load_path} = $path;
1388
1389 1
1390}
1391
1392sub load_header_orig {
1393 my ($self) = @_;
1394
1395 $self->load_header_from ($self->load_path)
1396}
1397
1398sub load_header_temp {
1399 my ($self) = @_;
1400
1401 $self->load_header_from ($self->save_path)
1402}
1403
1404sub prepare_temp {
1405 my ($self) = @_;
1406
1407 $self->last_access ((delete $self->{last_access})
1408 || $cf::RUNTIME); #d#
1409 # safety
1410 $self->{instantiate_time} = $cf::RUNTIME
1411 if $self->{instantiate_time} > $cf::RUNTIME;
1412}
1413
1414sub prepare_orig {
1415 my ($self) = @_;
1416
1417 $self->{load_original} = 1;
1418 $self->{instantiate_time} = $cf::RUNTIME;
1419 $self->last_access ($cf::RUNTIME);
1420 $self->instantiate;
1421}
1422
1423sub load_header {
1424 my ($self) = @_;
1425
1426 if ($self->load_header_temp) {
1427 $self->prepare_temp;
1428 } else {
1429 $self->load_header_orig
1248 or return; 1430 or return;
1431 $self->prepare_orig;
1432 }
1249 1433
1250 # for better error messages only, will be overwritten 1434 $self->default_region (cf::region::find_by_path $self->{path})
1251 $map->path ($path); 1435 unless $self->default_region;
1252 1436
1253 $map->load_header ($path) 1437 1
1254 or return;
1255
1256 $map->{load_path} = $path;
1257
1258 $map
1259} 1438}
1260 1439
1261sub find; 1440sub find;
1262sub find { 1441sub find {
1263 my ($path, $origin) = @_; 1442 my ($path, $origin) = @_;
1264 1443
1265 #warn "find<$path,$origin>\n";#d#
1266
1267 $path = new cf::path $path, $origin && $origin->path; 1444 $path = normalise $path, $origin && $origin->path;
1268 my $key = $path->as_string;
1269 1445
1270 cf::lock_wait "map_find:$key"; 1446 cf::lock_wait "map_find:$path";
1271 1447
1272 $cf::MAP{$key} || do { 1448 $cf::MAP{$path} || do {
1273 my $guard = cf::lock_acquire "map_find:$key"; 1449 my $guard = cf::lock_acquire "map_find:$path";
1274 1450 my $map = new_from_path cf::map $path
1275 # do it the slow way
1276 my $map = try_load_header $path->save_path;
1277
1278 Coro::cede;
1279
1280 if ($map) {
1281 $map->last_access ((delete $map->{last_access})
1282 || $cf::RUNTIME); #d#
1283 # safety
1284 $map->{instantiate_time} = $cf::RUNTIME
1285 if $map->{instantiate_time} > $cf::RUNTIME;
1286 } else {
1287 if (my $rmp = $path->random_map_params) {
1288 $map = generate_random_map $key, $rmp;
1289 } else {
1290 $map = try_load_header $path->load_path;
1291 }
1292
1293 $map or return; 1451 or return;
1294 1452
1295 $map->{load_original} = 1;
1296 $map->{instantiate_time} = $cf::RUNTIME;
1297 $map->last_access ($cf::RUNTIME);
1298 $map->instantiate;
1299
1300 # per-player maps become, after loading, normal maps
1301 $map->per_player (0) if $path->{user_rel};
1302 }
1303
1304 $map->path ($key);
1305 $map->{path} = $path;
1306 $map->{last_save} = $cf::RUNTIME; 1453 $map->{last_save} = $cf::RUNTIME;
1307 1454
1308 Coro::cede; 1455 $map->load_header
1456 or return;
1309 1457
1310 if ($map->should_reset) { 1458 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1459 # doing this can freeze the server in a sync job, obviously
1460 #$cf::WAIT_FOR_TICK->wait;
1311 $map->reset; 1461 $map->reset;
1312 undef $guard; 1462 undef $guard;
1313 $map = find $path 1463 return find $path;
1314 or return;
1315 } 1464 }
1316 1465
1317 $cf::MAP{$key} = $map 1466 $cf::MAP{$path} = $map
1318 } 1467 }
1319} 1468}
1469
1470sub pre_load { }
1471sub post_load { }
1320 1472
1321sub load { 1473sub load {
1322 my ($self) = @_; 1474 my ($self) = @_;
1323 1475
1476 local $self->{deny_reset} = 1; # loading can take a long time
1477
1324 my $path = $self->{path}; 1478 my $path = $self->{path};
1325 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1479 my $guard = cf::lock_acquire "map_load:$path";
1326 1480
1327 return if $self->in_memory != cf::MAP_SWAPPED; 1481 return if $self->in_memory != cf::MAP_SWAPPED;
1328 1482
1329 $self->in_memory (cf::MAP_LOADING); 1483 $self->in_memory (cf::MAP_LOADING);
1330 1484
1331 $self->alloc; 1485 $self->alloc;
1486
1487 $self->pre_load;
1488
1332 $self->load_objects ($self->{load_path}, 1) 1489 $self->_load_objects ($self->{load_path}, 1)
1333 or return; 1490 or return;
1334 1491
1335 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1492 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1336 if delete $self->{load_original}; 1493 if delete $self->{load_original};
1337 1494
1338 if (my $uniq = $path->uniq_path) { 1495 if (my $uniq = $self->uniq_path) {
1339 utf8::encode $uniq; 1496 utf8::encode $uniq;
1340 if (aio_open $uniq, O_RDONLY, 0) { 1497 if (aio_open $uniq, O_RDONLY, 0) {
1341 $self->clear_unique_items; 1498 $self->clear_unique_items;
1342 $self->load_objects ($uniq, 0); 1499 $self->_load_objects ($uniq, 0);
1343 } 1500 }
1344 } 1501 }
1345 1502
1346 Coro::cede; 1503 Coro::cede;
1347 1504
1348 # now do the right thing for maps 1505 # now do the right thing for maps
1349 $self->link_multipart_objects; 1506 $self->link_multipart_objects;
1350 1507
1351 if ($self->{path}->is_style_map) { 1508 unless ($self->{deny_activate}) {
1352 $self->{deny_save} = 1; 1509 $self->decay_objects;
1353 $self->{deny_reset} = 1;
1354 } else {
1355 $self->fix_auto_apply; 1510 $self->fix_auto_apply;
1356 $self->decay_objects;
1357 $self->update_buttons; 1511 $self->update_buttons;
1512 Coro::cede;
1358 $self->set_darkness_map; 1513 $self->set_darkness_map;
1359 $self->difficulty ($self->estimate_difficulty) 1514 $self->difficulty ($self->estimate_difficulty)
1360 unless $self->difficulty; 1515 unless $self->difficulty;
1516 Coro::cede;
1361 $self->activate; 1517 $self->activate;
1362 } 1518 }
1363 1519
1364 Coro::cede; 1520 $self->post_load;
1365 1521
1366 $self->in_memory (cf::MAP_IN_MEMORY); 1522 $self->in_memory (cf::MAP_IN_MEMORY);
1523}
1524
1525sub customise_for {
1526 my ($self, $ob) = @_;
1527
1528 return find "~" . $ob->name . "/" . $self->{path}
1529 if $self->per_player;
1530
1531 $self
1532}
1533
1534# find and load all maps in the 3x3 area around a map
1535sub load_diag {
1536 my ($map) = @_;
1537
1538 my @diag; # diagonal neighbours
1539
1540 for (0 .. 3) {
1541 my $neigh = $map->tile_path ($_)
1542 or next;
1543 $neigh = find $neigh, $map
1544 or next;
1545 $neigh->load;
1546
1547 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1548 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1549 }
1550
1551 for (@diag) {
1552 my $neigh = find @$_
1553 or next;
1554 $neigh->load;
1555 }
1367} 1556}
1368 1557
1369sub find_sync { 1558sub find_sync {
1370 my ($path, $origin) = @_; 1559 my ($path, $origin) = @_;
1371 1560
1372 cf::sync_job { cf::map::find $path, $origin } 1561 cf::sync_job { find $path, $origin }
1373} 1562}
1374 1563
1375sub do_load_sync { 1564sub do_load_sync {
1376 my ($map) = @_; 1565 my ($map) = @_;
1377 1566
1378 cf::sync_job { $map->load }; 1567 cf::sync_job { $map->load };
1379} 1568}
1380 1569
1570our %MAP_PREFETCH;
1571our $MAP_PREFETCHER = undef;
1572
1573sub find_async {
1574 my ($path, $origin) = @_;
1575
1576 $path = normalise $path, $origin && $origin->{path};
1577
1578 if (my $map = $cf::MAP{$path}) {
1579 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1580 }
1581
1582 undef $MAP_PREFETCH{$path};
1583 $MAP_PREFETCHER ||= cf::async {
1584 while (%MAP_PREFETCH) {
1585 for my $path (keys %MAP_PREFETCH) {
1586 my $map = find $path
1587 or next;
1588 $map->load;
1589
1590 delete $MAP_PREFETCH{$path};
1591 }
1592 }
1593 undef $MAP_PREFETCHER;
1594 };
1595 $MAP_PREFETCHER->prio (6);
1596
1597 ()
1598}
1599
1381sub save { 1600sub save {
1382 my ($self) = @_; 1601 my ($self) = @_;
1383 1602
1384 my $lock = cf::lock_acquire "map_data:" . $self->path; 1603 my $lock = cf::lock_acquire "map_data:" . $self->path;
1385 1604
1386 $self->{last_save} = $cf::RUNTIME; 1605 $self->{last_save} = $cf::RUNTIME;
1387 1606
1388 return unless $self->dirty; 1607 return unless $self->dirty;
1389 1608
1390 my $save = $self->{path}->save_path; utf8::encode $save; 1609 my $save = $self->save_path; utf8::encode $save;
1391 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1610 my $uniq = $self->uniq_path; utf8::encode $uniq;
1392 1611
1393 $self->{load_path} = $save; 1612 $self->{load_path} = $save;
1394 1613
1395 return if $self->{deny_save}; 1614 return if $self->{deny_save};
1396 1615
1399 cf::async { 1618 cf::async {
1400 $_->contr->save for $self->players; 1619 $_->contr->save for $self->players;
1401 }; 1620 };
1402 1621
1403 if ($uniq) { 1622 if ($uniq) {
1404 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1623 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405 $self->save_objects ($uniq, cf::IO_UNIQUES); 1624 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1406 } else { 1625 } else {
1407 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1626 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408 } 1627 }
1409} 1628}
1410 1629
1411sub swap_out { 1630sub swap_out {
1412 my ($self) = @_; 1631 my ($self) = @_;
1426 1645
1427sub reset_at { 1646sub reset_at {
1428 my ($self) = @_; 1647 my ($self) = @_;
1429 1648
1430 # TODO: safety, remove and allow resettable per-player maps 1649 # TODO: safety, remove and allow resettable per-player maps
1431 return 1e99 if $self->{path}{user_rel}; 1650 return 1e99 if $self->isa ("ext::map_per_player");#d#
1432 return 1e99 if $self->{deny_reset}; 1651 return 1e99 if $self->{deny_reset};
1433 1652
1434 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1653 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1654 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436 1655
1441 my ($self) = @_; 1660 my ($self) = @_;
1442 1661
1443 $self->reset_at <= $cf::RUNTIME 1662 $self->reset_at <= $cf::RUNTIME
1444} 1663}
1445 1664
1446sub unlink_save {
1447 my ($self) = @_;
1448
1449 utf8::encode (my $save = $self->{path}->save_path);
1450 aioreq_pri 3; IO::AIO::aio_unlink $save;
1451 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452}
1453
1454sub rename {
1455 my ($self, $new_path) = @_;
1456
1457 $self->unlink_save;
1458
1459 delete $cf::MAP{$self->path};
1460 $self->{path} = new cf::path $new_path;
1461 $self->path ($self->{path}->as_string);
1462 $cf::MAP{$self->path} = $self;
1463
1464 $self->save;
1465}
1466
1467sub reset { 1665sub reset {
1468 my ($self) = @_; 1666 my ($self) = @_;
1469 1667
1470 my $lock = cf::lock_acquire "map_data:" . $self->path; 1668 my $lock = cf::lock_acquire "map_data:$self->{path}";
1471 1669
1472 return if $self->players; 1670 return if $self->players;
1473 return if $self->{path}{user_rel};#d# 1671 return if $self->isa ("ext::map_per_player");#d#
1474 1672
1475 warn "resetting map ", $self->path;#d# 1673 warn "resetting map ", $self->path;#d#
1476 1674
1675 $self->in_memory (cf::MAP_SWAPPED);
1676
1677 # need to save uniques path
1678 unless ($self->{deny_save}) {
1679 my $uniq = $self->uniq_path; utf8::encode $uniq;
1680
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1682 if $uniq;
1683 }
1684
1477 delete $cf::MAP{$self->path}; 1685 delete $cf::MAP{$self->path};
1686
1687 $self->clear;
1478 1688
1479 $_->clear_links_to ($self) for values %cf::MAP; 1689 $_->clear_links_to ($self) for values %cf::MAP;
1480 1690
1481 $self->unlink_save; 1691 $self->unlink_save;
1482 $self->destroy; 1692 $self->destroy;
1485my $nuke_counter = "aaaa"; 1695my $nuke_counter = "aaaa";
1486 1696
1487sub nuke { 1697sub nuke {
1488 my ($self) = @_; 1698 my ($self) = @_;
1489 1699
1700 delete $cf::MAP{$self->path};
1701
1702 $self->unlink_save;
1703
1704 bless $self, "cf::map";
1705 delete $self->{deny_reset};
1490 $self->{deny_save} = 1; 1706 $self->{deny_save} = 1;
1491 $self->reset_timeout (1); 1707 $self->reset_timeout (1);
1492 $self->rename ("{nuke}/" . ($nuke_counter++)); 1708 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709
1710 $cf::MAP{$self->path} = $self;
1711
1493 $self->reset; # polite request, might not happen 1712 $self->reset; # polite request, might not happen
1494} 1713}
1495 1714
1496sub customise_for { 1715=item cf::map::unique_maps
1497 my ($map, $ob) = @_;
1498 1716
1499 if ($map->per_player) { 1717Returns an arrayref of paths of all shared maps that have
1500 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1718instantiated unique items. May block.
1501 }
1502 1719
1503 $map 1720=cut
1504}
1505 1721
1506sub emergency_save { 1722sub unique_maps() {
1507 my $freeze_guard = cf::freeze_mainloop; 1723 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1724 or return;
1508 1725
1509 warn "enter emergency perl save\n"; 1726 my @paths;
1510 1727
1511 cf::sync_job { 1728 for (@$files) {
1512 warn "begin emergency player save\n"; 1729 utf8::decode $_;
1513 $_->save for values %cf::PLAYER; 1730 next if /\.pst$/;
1514 warn "end emergency player save\n"; 1731 next unless /^$PATH_SEP/o;
1515 1732
1516 warn "begin emergency map save\n"; 1733 push @paths, cf::map::normalise $_;
1517 $_->save for values %cf::MAP;
1518 warn "end emergency map save\n";
1519 }; 1734 }
1520 1735
1521 warn "leave emergency perl save\n"; 1736 \@paths
1522} 1737}
1523 1738
1524package cf; 1739package cf;
1525 1740
1526=back 1741=back
1527 1742
1743=head3 cf::object
1744
1745=cut
1746
1747package cf::object;
1748
1749=over 4
1750
1751=item $ob->inv_recursive
1752
1753Returns the inventory of the object _and_ their inventories, recursively.
1754
1755=cut
1756
1757sub inv_recursive_;
1758sub inv_recursive_ {
1759 map { $_, inv_recursive_ $_->inv } @_
1760}
1761
1762sub inv_recursive {
1763 inv_recursive_ inv $_[0]
1764}
1765
1766package cf;
1767
1768=back
1528 1769
1529=head3 cf::object::player 1770=head3 cf::object::player
1530 1771
1531=over 4 1772=over 4
1532 1773
1572 1813
1573=item $player_object->enter_link 1814=item $player_object->enter_link
1574 1815
1575Freezes the player and moves him/her to a special map (C<{link}>). 1816Freezes the player and moves him/her to a special map (C<{link}>).
1576 1817
1577The player should be reaosnably safe there for short amounts of time. You 1818The player should be reasonably safe there for short amounts of time. You
1578I<MUST> call C<leave_link> as soon as possible, though. 1819I<MUST> call C<leave_link> as soon as possible, though.
1579 1820
1821Will never block.
1822
1580=item $player_object->leave_link ($map, $x, $y) 1823=item $player_object->leave_link ($map, $x, $y)
1581 1824
1582Moves the player out of the specila link map onto the given map. If the 1825Moves the player out of the special C<{link}> map onto the specified
1583map is not valid (or omitted), the player will be moved back to the 1826map. If the map is not valid (or omitted), the player will be moved back
1584location he/she was before the call to C<enter_link>, or, if that fails, 1827to the location he/she was before the call to C<enter_link>, or, if that
1585to the emergency map position. 1828fails, to the emergency map position.
1586 1829
1587Might block. 1830Might block.
1588 1831
1589=cut 1832=cut
1833
1834sub link_map {
1835 unless ($LINK_MAP) {
1836 $LINK_MAP = cf::map::find "{link}"
1837 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1838 $LINK_MAP->load;
1839 }
1840
1841 $LINK_MAP
1842}
1590 1843
1591sub cf::object::player::enter_link { 1844sub cf::object::player::enter_link {
1592 my ($self) = @_; 1845 my ($self) = @_;
1593 1846
1594 $self->deactivate_recursive; 1847 $self->deactivate_recursive;
1595 1848
1596 return if $self->map == $LINK_MAP; 1849 return if UNIVERSAL::isa $self->map, "ext::map_link";
1597 1850
1598 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1851 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599 if $self->map; 1852 if $self->map;
1600 1853
1601 $self->enter_map ($LINK_MAP, 20, 20); 1854 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1602} 1855}
1603 1856
1604sub cf::object::player::leave_link { 1857sub cf::object::player::leave_link {
1605 my ($self, $map, $x, $y) = @_; 1858 my ($self, $map, $x, $y) = @_;
1606 1859
1624 # use -1 or undef as default coordinates, not 0, 0 1877 # use -1 or undef as default coordinates, not 0, 0
1625 ($x, $y) = ($map->enter_x, $map->enter_y) 1878 ($x, $y) = ($map->enter_x, $map->enter_y)
1626 if $x <=0 && $y <= 0; 1879 if $x <=0 && $y <= 0;
1627 1880
1628 $map->load; 1881 $map->load;
1882 $map->load_diag;
1629 1883
1630 return unless $self->contr->active; 1884 return unless $self->contr->active;
1631 $self->activate_recursive; 1885 $self->activate_recursive;
1886
1887 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1632 $self->enter_map ($map, $x, $y); 1888 $self->enter_map ($map, $x, $y);
1633} 1889}
1634 1890
1635cf::player->attach ( 1891cf::player->attach (
1636 on_logout => sub { 1892 on_logout => sub {
1649 # try to abort aborted map switching on player login :) 1905 # try to abort aborted map switching on player login :)
1650 # should happen only on crashes 1906 # should happen only on crashes
1651 if ($pl->ob->{_link_pos}) { 1907 if ($pl->ob->{_link_pos}) {
1652 $pl->ob->enter_link; 1908 $pl->ob->enter_link;
1653 (async { 1909 (async {
1654 # we need this sleep as the login has a concurrent enter_exit running
1655 # and this sleep increases chances of the player not ending up in scorn
1656 $pl->ob->reply (undef, 1910 $pl->ob->reply (undef,
1657 "There was an internal problem at your last logout, " 1911 "There was an internal problem at your last logout, "
1658 . "the server will try to bring you to your intended destination in a second.", 1912 . "the server will try to bring you to your intended destination in a second.",
1659 cf::NDI_RED); 1913 cf::NDI_RED);
1914 # we need this sleep as the login has a concurrent enter_exit running
1915 # and this sleep increases chances of the player not ending up in scorn
1660 Coro::Timer::sleep 1; 1916 Coro::Timer::sleep 1;
1661 $pl->ob->leave_link; 1917 $pl->ob->leave_link;
1662 })->prio (2); 1918 })->prio (2);
1663 } 1919 }
1664 }, 1920 },
1672 my ($self, $path, $x, $y) = @_; 1928 my ($self, $path, $x, $y) = @_;
1673 1929
1674 $self->enter_link; 1930 $self->enter_link;
1675 1931
1676 (async { 1932 (async {
1677 $path = new cf::path $path; 1933 my $map = eval {
1678
1679 my $map = cf::map::find $path->as_string; 1934 my $map = cf::map::find $path;
1680 $map = $map->customise_for ($self) if $map; 1935 $map = $map->customise_for ($self) if $map;
1681 1936 $map
1682# warn "entering ", $map->path, " at ($x, $y)\n" 1937 } or
1683# if $map;
1684
1685 $map or $map->cluck ("oy");#d#
1686 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1938 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1687 1939
1688 $self->leave_link ($map, $x, $y); 1940 $self->leave_link ($map, $x, $y);
1689 })->prio (1); 1941 })->prio (1);
1690} 1942}
1691 1943
1695 1947
1696sub parse_random_map_params { 1948sub parse_random_map_params {
1697 my ($spec) = @_; 1949 my ($spec) = @_;
1698 1950
1699 my $rmp = { # defaults 1951 my $rmp = { # defaults
1700 xsize => 10, 1952 xsize => (cf::rndm 15, 40),
1701 ysize => 10, 1953 ysize => (cf::rndm 15, 40),
1954 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1955 #layout => string,
1702 }; 1956 };
1703 1957
1704 for (split /\n/, $spec) { 1958 for (split /\n/, $spec) {
1705 my ($k, $v) = split /\s+/, $_, 2; 1959 my ($k, $v) = split /\s+/, $_, 2;
1706 1960
1710 $rmp 1964 $rmp
1711} 1965}
1712 1966
1713sub prepare_random_map { 1967sub prepare_random_map {
1714 my ($exit) = @_; 1968 my ($exit) = @_;
1969
1970 my $guard = cf::lock_acquire "exit_prepare:$exit";
1715 1971
1716 # all this does is basically replace the /! path by 1972 # all this does is basically replace the /! path by
1717 # a new random map path (?random/...) with a seed 1973 # a new random map path (?random/...) with a seed
1718 # that depends on the exit object 1974 # that depends on the exit object
1719 1975
1720 my $rmp = parse_random_map_params $exit->msg; 1976 my $rmp = parse_random_map_params $exit->msg;
1721 1977
1722 if ($exit->map) { 1978 if ($exit->map) {
1723 $rmp->{region} = $exit->map->region_name; 1979 $rmp->{region} = $exit->region->name;
1724 $rmp->{origin_map} = $exit->map->path; 1980 $rmp->{origin_map} = $exit->map->path;
1725 $rmp->{origin_x} = $exit->x; 1981 $rmp->{origin_x} = $exit->x;
1726 $rmp->{origin_y} = $exit->y; 1982 $rmp->{origin_y} = $exit->y;
1727 } 1983 }
1728 1984
1729 $rmp->{random_seed} ||= $exit->random_seed; 1985 $rmp->{random_seed} ||= $exit->random_seed;
1730 1986
1731 my $data = cf::to_json $rmp; 1987 my $data = cf::to_json $rmp;
1732 my $md5 = Digest::MD5::md5_hex $data; 1988 my $md5 = Digest::MD5::md5_hex $data;
1989 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1733 1990
1734 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1991 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735 aio_write $fh, 0, (length $data), $data, 0; 1992 aio_write $fh, 0, (length $data), $data, 0;
1993 undef $fh;
1994 aio_rename "$meta~", $meta;
1736 1995
1737 $exit->slaying ("?random/$md5"); 1996 $exit->slaying ("?random/$md5");
1738 $exit->msg (undef); 1997 $exit->msg (undef);
1739 } 1998 }
1740} 1999}
1741 2000
1742sub cf::object::player::enter_exit { 2001sub cf::object::player::enter_exit {
1743 my ($self, $exit) = @_; 2002 my ($self, $exit) = @_;
1744 2003
1745 return unless $self->type == cf::PLAYER; 2004 return unless $self->type == cf::PLAYER;
2005
2006 if ($exit->slaying eq "/!") {
2007 #TODO: this should de-fi-ni-te-ly not be a sync-job
2008 # the problem is that $exit might not survive long enough
2009 # so it needs to be done right now, right here
2010 cf::sync_job { prepare_random_map $exit };
2011 }
2012
2013 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014 my $hp = $exit->stats->hp;
2015 my $sp = $exit->stats->sp;
1746 2016
1747 $self->enter_link; 2017 $self->enter_link;
1748 2018
1749 (async { 2019 (async {
1750 $self->deactivate_recursive; # just to be sure 2020 $self->deactivate_recursive; # just to be sure
1751 unless (eval { 2021 unless (eval {
1752 prepare_random_map $exit 2022 $self->goto ($slaying, $hp, $sp);
1753 if $exit->slaying eq "/!";
1754
1755 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757 2023
1758 1; 2024 1;
1759 }) { 2025 }) {
1760 $self->message ("Something went wrong deep within the crossfire server. " 2026 $self->message ("Something went wrong deep within the crossfire server. "
1761 . "I'll try to bring you back to the map you were before. " 2027 . "I'll try to bring you back to the map you were before. "
1762 . "Please report this to the dungeon master", 2028 . "Please report this to the dungeon master!",
1763 cf::NDI_UNIQUE | cf::NDI_RED); 2029 cf::NDI_UNIQUE | cf::NDI_RED);
1764 2030
1765 warn "ERROR in enter_exit: $@"; 2031 warn "ERROR in enter_exit: $@";
1766 $self->leave_link; 2032 $self->leave_link;
1767 } 2033 }
1768 })->prio (1); 2034 })->prio (1);
1781 2047
1782sub cf::client::send_drawinfo { 2048sub cf::client::send_drawinfo {
1783 my ($self, $text, $flags) = @_; 2049 my ($self, $text, $flags) = @_;
1784 2050
1785 utf8::encode $text; 2051 utf8::encode $text;
1786 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2052 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1787} 2053}
1788 2054
2055=item $client->ext_event ($type, %msg)
2056
2057Sends an exti event to the client.
2058
2059=cut
2060
2061sub cf::client::ext_event($$%) {
2062 my ($self, $type, %msg) = @_;
2063
2064 $msg{msgtype} = "event_$type";
2065 $self->send_packet ("ext " . cf::to_json \%msg);
2066}
1789 2067
1790=item $success = $client->query ($flags, "text", \&cb) 2068=item $success = $client->query ($flags, "text", \&cb)
1791 2069
1792Queues a query to the client, calling the given callback with 2070Queues a query to the client, calling the given callback with
1793the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2071the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1822 # get handled first 2100 # get handled first
1823 my $queue = delete $ns->{query_queue} 2101 my $queue = delete $ns->{query_queue}
1824 or return; # be conservative, not sure how that can happen, but we saw a crash here 2102 or return; # be conservative, not sure how that can happen, but we saw a crash here
1825 2103
1826 (shift @$queue)->[1]->($msg); 2104 (shift @$queue)->[1]->($msg);
2105 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827 2106
1828 push @{ $ns->{query_queue} }, @$queue; 2107 push @{ $ns->{query_queue} }, @$queue;
1829 2108
1830 if (@{ $ns->{query_queue} } == @$queue) { 2109 if (@{ $ns->{query_queue} } == @$queue) {
1831 if (@$queue) { 2110 if (@$queue) {
1889 2168
1890# here we export the classes and methods available to script code 2169# here we export the classes and methods available to script code
1891 2170
1892=pod 2171=pod
1893 2172
1894The following fucntions and emthods are available within a safe environment: 2173The following functions and methods are available within a safe environment:
1895 2174
1896 cf::object contr pay_amount pay_player map 2175 cf::object contr pay_amount pay_player map
1897 cf::object::player player 2176 cf::object::player player
1898 cf::player peaceful 2177 cf::player peaceful
1899 cf::map trigger 2178 cf::map trigger
1992The parameter C<$family> should best start with the name of the extension 2271The parameter C<$family> should best start with the name of the extension
1993using it, it should be unique. 2272using it, it should be unique.
1994 2273
1995=over 4 2274=over 4
1996 2275
1997=item $hashref = cf::db_get $family
1998
1999Return a hashref for use by the extension C<$family>, which can be
2000modified. After modifications, you have to call C<cf::db_dirty> or
2001C<cf::db_sync>.
2002
2003=item $value = cf::db_get $family => $key 2276=item $value = cf::db_get $family => $key
2004 2277
2005Returns a single value from the database 2278Returns a single value from the database.
2006
2007=item cf::db_put $family => $hashref
2008
2009Stores the given family hashref into the database. Updates are delayed, if
2010you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011 2279
2012=item cf::db_put $family => $key => $value 2280=item cf::db_put $family => $key => $value
2013 2281
2014Stores the given C<$value> in the family hash. Updates are delayed, if you 2282Stores the given C<$value> in the family.
2015want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017=item cf::db_dirty
2018
2019Marks the database as dirty, to be updated at a later time.
2020
2021=item cf::db_sync
2022
2023Immediately write the database to disk I<if it is dirty>.
2024 2283
2025=cut 2284=cut
2026 2285
2027our $DB; 2286our $DB;
2028 2287
2029{ 2288sub db_init {
2289 unless ($DB) {
2290 $DB = BDB::db_create $DB_ENV;
2291
2292 cf::sync_job {
2293 eval {
2294 $DB->set_flags (BDB::CHKSUM);
2295
2296 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298 cf::cleanup "db_open(db): $!" if $!;
2299 };
2300 cf::cleanup "db_open(db): $@" if $@;
2301 };
2302
2030 my $path = cf::localdir . "/database.pst"; 2303 my $path = cf::localdir . "/database.pst";
2304 if (stat $path) {
2305 cf::sync_job {
2306 my $pst = Storable::retrieve $path;
2031 2307
2032 sub db_load() { 2308 cf::db_put (board => data => $pst->{board});
2033 $DB = stat $path ? Storable::retrieve $path : { }; 2309 cf::db_put (guildrules => data => $pst->{guildrules});
2034 } 2310 cf::db_put (rent => balance => $pst->{rent}{balance});
2311 BDB::db_env_txn_checkpoint $DB_ENV;
2035 2312
2036 my $pid; 2313 unlink $path;
2037
2038 sub db_save() {
2039 waitpid $pid, 0 if $pid;
2040 if (0 == ($pid = fork)) {
2041 $DB->{_meta}{version} = 1;
2042 Storable::nstore $DB, "$path~";
2043 rename "$path~", $path;
2044 cf::_exit 0 if defined $pid;
2045 } 2314 };
2046 }
2047
2048 my $dirty;
2049
2050 sub db_sync() {
2051 db_save if $dirty;
2052 undef $dirty;
2053 }
2054
2055 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056 db_sync;
2057 });
2058
2059 sub db_dirty() {
2060 $dirty = 1;
2061 $idle->start;
2062 }
2063
2064 sub db_get($;$) {
2065 @_ >= 2
2066 ? $DB->{$_[0]}{$_[1]}
2067 : ($DB->{$_[0]} ||= { })
2068 }
2069
2070 sub db_put($$;$) {
2071 if (@_ >= 3) {
2072 $DB->{$_[0]}{$_[1]} = $_[2];
2073 } else {
2074 $DB->{$_[0]} = $_[1];
2075 }
2076 db_dirty;
2077 }
2078
2079 cf::global->attach (
2080 prio => 10000,
2081 on_cleanup => sub {
2082 db_sync;
2083 }, 2315 }
2084 ); 2316 }
2317}
2318
2319sub db_get($$) {
2320 my $key = "$_[0]/$_[1]";
2321
2322 cf::sync_job {
2323 BDB::db_get $DB, undef, $key, my $data;
2324
2325 $! ? ()
2326 : Compress::LZF::sthaw $data
2327 }
2328}
2329
2330sub db_put($$$) {
2331 BDB::dbreq_pri 4;
2332 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2085} 2333}
2086 2334
2087############################################################################# 2335#############################################################################
2088# the server's main() 2336# the server's init and main functions
2337
2338sub load_facedata {
2339 my $path = sprintf "%s/facedata", cf::datadir;
2340
2341 warn "loading facedata from $path\n";
2342
2343 my $facedata;
2344 0 < aio_load $path, $facedata
2345 or die "$path: $!";
2346
2347 $facedata = Coro::Storable::thaw $facedata;
2348
2349 $facedata->{version} == 2
2350 or cf::cleanup "$path: version mismatch, cannot proceed.";
2351
2352 {
2353 my $faces = $facedata->{faceinfo};
2354
2355 while (my ($face, $info) = each %$faces) {
2356 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2357 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2358 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2359 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2360 Coro::cede;
2361 }
2362
2363 while (my ($face, $info) = each %$faces) {
2364 next unless $info->{smooth};
2365 my $idx = cf::face::find $face
2366 or next;
2367 if (my $smooth = cf::face::find $info->{smooth}) {
2368 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2369 } else {
2370 warn "smooth face '$info->{smooth}' not found for face '$face'";
2371 }
2372 Coro::cede;
2373 }
2374 }
2375
2376 {
2377 my $anims = $facedata->{animinfo};
2378
2379 while (my ($anim, $info) = each %$anims) {
2380 cf::anim::set $anim, $info->{frames}, $info->{facings};
2381 Coro::cede;
2382 }
2383
2384 cf::anim::invalidate_all; # d'oh
2385 }
2386
2387 1
2388}
2389
2390sub reload_resources {
2391 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2392 or die "unable to load regions file\n";#d#
2393 load_facedata
2394 or die "unable to load facedata\n";#d#
2395}
2396
2397sub init {
2398 reload_resources;
2399}
2089 2400
2090sub cfg_load { 2401sub cfg_load {
2091 open my $fh, "<:utf8", cf::confdir . "/config" 2402 open my $fh, "<:utf8", cf::confdir . "/config"
2092 or return; 2403 or return;
2093 2404
2110 2421
2111sub main { 2422sub main {
2112 # we must not ever block the main coroutine 2423 # we must not ever block the main coroutine
2113 local $Coro::idle = sub { 2424 local $Coro::idle = sub {
2114 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2425 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2426 (async {
2115 async { Event::one_event }; 2427 Event::one_event;
2428 })->prio (Coro::PRIO_MAX);
2116 }; 2429 };
2117 2430
2118 cfg_load; 2431 cfg_load;
2119 db_load; 2432 db_init;
2120 load_extensions; 2433 load_extensions;
2434
2435 $TICK_WATCHER->start;
2121 Event::loop; 2436 Event::loop;
2122} 2437}
2123 2438
2124############################################################################# 2439#############################################################################
2125# initialisation 2440# initialisation and cleanup
2441
2442# install some emergency cleanup handlers
2443BEGIN {
2444 for my $signal (qw(INT HUP TERM)) {
2445 Event->signal (
2446 reentrant => 0,
2447 data => WF_AUTOCANCEL,
2448 signal => $signal,
2449 prio => 0,
2450 cb => sub {
2451 cf::cleanup "SIG$signal";
2452 },
2453 );
2454 }
2455}
2456
2457sub emergency_save() {
2458 my $freeze_guard = cf::freeze_mainloop;
2459
2460 warn "enter emergency perl save\n";
2461
2462 cf::sync_job {
2463 # use a peculiar iteration method to avoid tripping on perl
2464 # refcount bugs in for. also avoids problems with players
2465 # and maps saved/destroyed asynchronously.
2466 warn "begin emergency player save\n";
2467 for my $login (keys %cf::PLAYER) {
2468 my $pl = $cf::PLAYER{$login} or next;
2469 $pl->valid or next;
2470 $pl->save;
2471 }
2472 warn "end emergency player save\n";
2473
2474 warn "begin emergency map save\n";
2475 for my $path (keys %cf::MAP) {
2476 my $map = $cf::MAP{$path} or next;
2477 $map->valid or next;
2478 $map->save;
2479 }
2480 warn "end emergency map save\n";
2481
2482 warn "begin emergency database checkpoint\n";
2483 BDB::db_env_txn_checkpoint $DB_ENV;
2484 warn "end emergency database checkpoint\n";
2485 };
2486
2487 warn "leave emergency perl save\n";
2488}
2489
2490sub post_cleanup {
2491 my ($make_core) = @_;
2492
2493 warn Carp::longmess "post_cleanup backtrace"
2494 if $make_core;
2495}
2126 2496
2127sub reload() { 2497sub reload() {
2128 # can/must only be called in main 2498 # can/must only be called in main
2129 if ($Coro::current != $Coro::main) { 2499 if ($Coro::current != $Coro::main) {
2130 warn "can only reload from main coroutine\n"; 2500 warn "can only reload from main coroutine";
2131 return; 2501 return;
2132 } 2502 }
2133 2503
2134 warn "reloading..."; 2504 warn "reloading...";
2135 2505
2136 my $guard = freeze_mainloop; 2506 warn "entering sync_job";
2507
2508 cf::sync_job {
2509 cf::write_runtime; # external watchdog should not bark
2137 cf::emergency_save; 2510 cf::emergency_save;
2511 cf::write_runtime; # external watchdog should not bark
2138 2512
2139 eval { 2513 warn "syncing database to disk";
2514 BDB::db_env_txn_checkpoint $DB_ENV;
2515
2140 # if anything goes wrong in here, we should simply crash as we already saved 2516 # if anything goes wrong in here, we should simply crash as we already saved
2141 2517
2142 # cancel all watchers 2518 warn "cancelling all WF_AUTOCANCEL watchers";
2143 for (Event::all_watchers) { 2519 for (Event::all_watchers) {
2144 $_->cancel if $_->data & WF_AUTOCANCEL; 2520 $_->cancel if $_->data & WF_AUTOCANCEL;
2145 } 2521 }
2146 2522
2523 warn "flushing outstanding aio requests";
2524 for (;;) {
2525 BDB::flush;
2526 IO::AIO::flush;
2527 Coro::cede;
2528 last unless IO::AIO::nreqs || BDB::nreqs;
2529 warn "iterate...";
2530 }
2531
2532 ++$RELOAD;
2533
2147 # cancel all extension coros 2534 warn "cancelling all extension coros";
2148 $_->cancel for values %EXT_CORO; 2535 $_->cancel for values %EXT_CORO;
2149 %EXT_CORO = (); 2536 %EXT_CORO = ();
2150 2537
2151 # unload all extensions 2538 warn "removing commands";
2152 for (@exts) { 2539 %COMMAND = ();
2540
2541 warn "removing ext commands";
2542 %EXTCMD = ();
2543
2544 warn "unloading/nuking all extensions";
2545 for my $pkg (@EXTS) {
2153 warn "unloading <$_>"; 2546 warn "... unloading $pkg";
2154 unload_extension $_; 2547
2548 if (my $cb = $pkg->can ("unload")) {
2549 eval {
2550 $cb->($pkg);
2551 1
2552 } or warn "$pkg unloaded, but with errors: $@";
2155 } 2553 }
2156 2554
2555 warn "... nuking $pkg";
2556 Symbol::delete_package $pkg;
2557 }
2558
2157 # unload all modules loaded from $LIBDIR 2559 warn "unloading all perl modules loaded from $LIBDIR";
2158 while (my ($k, $v) = each %INC) { 2560 while (my ($k, $v) = each %INC) {
2159 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2561 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160 2562
2161 warn "removing <$k>"; 2563 warn "... unloading $k";
2162 delete $INC{$k}; 2564 delete $INC{$k};
2163 2565
2164 $k =~ s/\.pm$//; 2566 $k =~ s/\.pm$//;
2165 $k =~ s/\//::/g; 2567 $k =~ s/\//::/g;
2166 2568
2169 } 2571 }
2170 2572
2171 Symbol::delete_package $k; 2573 Symbol::delete_package $k;
2172 } 2574 }
2173 2575
2174 # sync database to disk
2175 cf::db_sync;
2176 IO::AIO::flush;
2177
2178 # get rid of safe::, as good as possible 2576 warn "getting rid of safe::, as good as possible";
2179 Symbol::delete_package "safe::$_" 2577 Symbol::delete_package "safe::$_"
2180 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2578 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181 2579
2182 # remove register_script_function callbacks
2183 # TODO
2184
2185 # unload cf.pm "a bit" 2580 warn "unloading cf.pm \"a bit\"";
2186 delete $INC{"cf.pm"}; 2581 delete $INC{"cf.pm"};
2187 2582
2188 # don't, removes xs symbols, too, 2583 # don't, removes xs symbols, too,
2189 # and global variables created in xs 2584 # and global variables created in xs
2190 #Symbol::delete_package __PACKAGE__; 2585 #Symbol::delete_package __PACKAGE__;
2191 2586
2192 # reload cf.pm 2587 warn "unload completed, starting to reload now";
2588
2193 warn "reloading cf.pm"; 2589 warn "reloading cf.pm";
2194 require cf; 2590 require cf;
2195 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2591 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196 2592
2197 # load config and database again 2593 warn "loading config and database again";
2198 cf::cfg_load; 2594 cf::cfg_load;
2199 cf::db_load;
2200 2595
2201 # load extensions
2202 warn "load extensions"; 2596 warn "loading extensions";
2203 cf::load_extensions; 2597 cf::load_extensions;
2204 2598
2205 # reattach attachments to objects 2599 warn "reattaching attachments to objects/players";
2206 warn "reattach"; 2600 _global_reattach; # objects, sockets
2207 _global_reattach; 2601 warn "reattaching attachments to maps";
2208 reattach $_ for values %MAP; 2602 reattach $_ for values %MAP;
2209 }; 2603 warn "reattaching attachments to players";
2604 reattach $_ for values %PLAYER;
2210 2605
2211 if ($@) { 2606 warn "loading reloadable resources";
2607 reload_resources;
2608
2609 warn "leaving sync_job";
2610
2611 1
2612 } or do {
2212 warn $@; 2613 warn $@;
2213 warn "error while reloading, exiting."; 2614 warn "error while reloading, exiting.";
2214 exit 1; 2615 exit 1;
2215 } 2616 };
2216 2617
2217 warn "reloaded successfully"; 2618 warn "reloaded";
2218}; 2619};
2219 2620
2220############################################################################# 2621our $RELOAD_WATCHER; # used only during reload
2221
2222unless ($LINK_MAP) {
2223 $LINK_MAP = cf::map::new;
2224
2225 $LINK_MAP->width (41);
2226 $LINK_MAP->height (41);
2227 $LINK_MAP->alloc;
2228 $LINK_MAP->path ("{link}");
2229 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232 # dirty hack because... archetypes are not yet loaded
2233 Event->timer (
2234 after => 10,
2235 cb => sub {
2236 $_[0]->w->cancel;
2237
2238 # provide some exits "home"
2239 my $exit = cf::object::new "exit";
2240
2241 $exit->slaying ($EMERGENCY_POSITION->[0]);
2242 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245 $LINK_MAP->insert ($exit->clone, 19, 19);
2246 $LINK_MAP->insert ($exit->clone, 19, 20);
2247 $LINK_MAP->insert ($exit->clone, 19, 21);
2248 $LINK_MAP->insert ($exit->clone, 20, 19);
2249 $LINK_MAP->insert ($exit->clone, 20, 21);
2250 $LINK_MAP->insert ($exit->clone, 21, 19);
2251 $LINK_MAP->insert ($exit->clone, 21, 20);
2252 $LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254 $exit->destroy;
2255 });
2256
2257 $LINK_MAP->{deny_save} = 1;
2258 $LINK_MAP->{deny_reset} = 1;
2259
2260 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261}
2262
2263register "<global>", __PACKAGE__;
2264 2622
2265register_command "reload" => sub { 2623register_command "reload" => sub {
2266 my ($who, $arg) = @_; 2624 my ($who, $arg) = @_;
2267 2625
2268 if ($who->flag (FLAG_WIZ)) { 2626 if ($who->flag (FLAG_WIZ)) {
2269 $who->message ("start of reload."); 2627 $who->message ("reloading server.");
2628
2629 # doing reload synchronously and two reloads happen back-to-back,
2630 # coro crashes during coro_state_free->destroy here.
2631
2632 $RELOAD_WATCHER ||= Event->timer (
2633 reentrant => 0,
2634 after => 0,
2635 data => WF_AUTOCANCEL,
2636 cb => sub {
2270 reload; 2637 reload;
2271 $who->message ("end of reload."); 2638 undef $RELOAD_WATCHER;
2639 },
2640 );
2272 } 2641 }
2273}; 2642};
2274 2643
2275unshift @INC, $LIBDIR; 2644unshift @INC, $LIBDIR;
2645
2646my $bug_warning = 0;
2276 2647
2277$TICK_WATCHER = Event->timer ( 2648$TICK_WATCHER = Event->timer (
2278 reentrant => 0, 2649 reentrant => 0,
2650 parked => 1,
2279 prio => 0, 2651 prio => 0,
2280 at => $NEXT_TICK || $TICK, 2652 at => $NEXT_TICK || $TICK,
2281 data => WF_AUTOCANCEL, 2653 data => WF_AUTOCANCEL,
2282 cb => sub { 2654 cb => sub {
2655 if ($Coro::current != $Coro::main) {
2656 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657 unless ++$bug_warning > 10;
2658 return;
2659 }
2660
2661 $NOW = Event::time;
2662
2283 cf::server_tick; # one server iteration 2663 cf::server_tick; # one server iteration
2284 $RUNTIME += $TICK; 2664 $RUNTIME += $TICK;
2285 $NEXT_TICK += $TICK; 2665 $NEXT_TICK += $TICK;
2666
2667 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668 $NEXT_RUNTIME_WRITE = $NOW + 10;
2669 Coro::async_pool {
2670 write_runtime
2671 or warn "ERROR: unable to write runtime file: $!";
2672 };
2673 }
2674
2675 $WAIT_FOR_TICK->broadcast;
2676 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678# my $AFTER = Event::time;
2679# warn $AFTER - $NOW;#d#
2286 2680
2287 # if we are delayed by four ticks or more, skip them all 2681 # if we are delayed by four ticks or more, skip them all
2288 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2682 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2289 2683
2290 $TICK_WATCHER->at ($NEXT_TICK); 2684 $TICK_WATCHER->at ($NEXT_TICK);
2291 $TICK_WATCHER->start; 2685 $TICK_WATCHER->start;
2292 }, 2686 },
2293); 2687);
2294 2688
2689{
2295IO::AIO::max_poll_time $TICK * 0.2; 2690 BDB::max_poll_time $TICK * 0.1;
2296 2691 $BDB_POLL_WATCHER = Event->io (
2297Event->io ( 2692 reentrant => 0,
2298 fd => IO::AIO::poll_fileno, 2693 fd => BDB::poll_fileno,
2299 poll => 'r', 2694 poll => 'r',
2300 prio => 5, 2695 prio => 0,
2301 data => WF_AUTOCANCEL,
2302 cb => \&IO::AIO::poll_cb,
2303);
2304
2305Event->timer (
2306 data => WF_AUTOCANCEL, 2696 data => WF_AUTOCANCEL,
2307 after => 0, 2697 cb => \&BDB::poll_cb,
2308 interval => 10, 2698 );
2309 cb => sub { 2699 BDB::min_parallel 8;
2310 (Coro::unblock_sub { 2700
2311 write_runtime 2701 BDB::set_sync_prepare {
2312 or warn "ERROR: unable to write runtime file: $!"; 2702 my $status;
2703 my $current = $Coro::current;
2704 (
2705 sub {
2706 $status = $!;
2707 $current->ready; undef $current;
2708 },
2709 sub {
2710 Coro::schedule while defined $current;
2711 $! = $status;
2712 },
2713 )
2714 };
2715
2716 unless ($DB_ENV) {
2717 $DB_ENV = BDB::db_env_create;
2718
2719 cf::sync_job {
2720 eval {
2721 BDB::db_env_open
2722 $DB_ENV,
2723 $BDB_ENV_DIR,
2724 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726 0666;
2727
2728 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2729
2730 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731 $DB_ENV->set_lk_detect;
2732 };
2733
2734 cf::cleanup "db_env_open(db): $@" if $@;
2313 })->(); 2735 };
2314 }, 2736 }
2315); 2737}
2738
2739{
2740 IO::AIO::min_parallel 8;
2741
2742 undef $Coro::AIO::WATCHER;
2743 IO::AIO::max_poll_time $TICK * 0.1;
2744 $AIO_POLL_WATCHER = Event->io (
2745 reentrant => 0,
2746 data => WF_AUTOCANCEL,
2747 fd => IO::AIO::poll_fileno,
2748 poll => 'r',
2749 prio => 6,
2750 cb => \&IO::AIO::poll_cb,
2751 );
2752}
2316 2753
2317END { cf::emergency_save } 2754END { cf::emergency_save }
2318 2755
23191 27561
2320 2757

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