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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 1.238 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 Coro::AIO::aio_rename $path, $temp; 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;
1062
1063 my $prefix = qr<^~\Q$name\E/>;
1064
1065 # nuke player maps
1066 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1067
1174 IO::AIO::aio_rmtree $temp; 1068 IO::AIO::aio_rmtree $temp;
1175} 1069}
1176 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;
1105 }
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
1177=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1178 1139
1179Sends an ext reply to the player. 1140Sends an ext reply to the player.
1180 1141
1181=cut 1142=cut
1182 1143
1183sub ext_reply($$$%) { 1144sub ext_reply($$%) {
1184 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1185 1146
1186 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1187 1148
1188 $self->send ("ext " . cf::to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1189} 1150}
1190 1151
1191package cf; 1152=item $player->ext_event ($type, %msg)
1153
1154Sends an ext event to the client.
1155
1156=cut
1157
1158sub ext_event($$%) {
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}
1192 1192
1193=back 1193=back
1194
1195 1194
1196=head3 cf::map 1195=head3 cf::map
1197 1196
1198=over 4 1197=over 4
1199 1198
1202package cf::map; 1201package cf::map;
1203 1202
1204use Fcntl; 1203use Fcntl;
1205use Coro::AIO; 1204use Coro::AIO;
1206 1205
1206use overload
1207 '""' => \&as_string,
1208 fallback => 1;
1209
1207our $MAX_RESET = 3600; 1210our $MAX_RESET = 3600;
1208our $DEFAULT_RESET = 3000; 1211our $DEFAULT_RESET = 3000;
1209 1212
1210sub generate_random_map { 1213sub generate_random_map {
1211 my ($path, $rmp) = @_; 1214 my ($self, $rmp) = @_;
1212
1213 # mit "rum" bekleckern, nicht 1215 # mit "rum" bekleckern, nicht
1214 cf::map::_create_random_map 1216 $self->_create_random_map (
1215 $path,
1216 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1217 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1218 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1218 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1219 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219 $rmp->{exit_on_final_map}, 1220 $rmp->{exit_on_final_map},
1220 $rmp->{xsize}, $rmp->{ysize}, 1221 $rmp->{xsize}, $rmp->{ysize},
1221 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1222 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1223 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1224 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224 $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},
1225 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1226 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226 (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
1227} 1358}
1228 1359
1229# and all this just because we cannot iterate over 1360# and all this just because we cannot iterate over
1230# all maps in C++... 1361# all maps in C++...
1231sub change_all_map_light { 1362sub change_all_map_light {
1233 1364
1234 $_->change_map_light ($change) 1365 $_->change_map_light ($change)
1235 for grep $_->outdoor, values %cf::MAP; 1366 for grep $_->outdoor, values %cf::MAP;
1236} 1367}
1237 1368
1369sub unlink_save {
1370 my ($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
1238sub try_load_header($) { 1377sub load_header_from($) {
1239 my ($path) = @_; 1378 my ($self, $path) = @_;
1240 1379
1241 utf8::encode $path; 1380 utf8::encode $path;
1242 aio_open $path, O_RDONLY, 0 1381 #aio_open $path, O_RDONLY, 0
1382 # or return;
1383
1384 $self->_load_header ($path)
1243 or return; 1385 or return;
1244 1386
1245 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
1246 or return; 1430 or return;
1431 $self->prepare_orig;
1432 }
1247 1433
1248 # for better error messages only, will be overwritten 1434 $self->default_region (cf::region::find_by_path $self->{path})
1249 $map->path ($path); 1435 unless $self->default_region;
1250 1436
1251 $map->load_header ($path) 1437 1
1252 or return;
1253
1254 $map->{load_path} = $path;
1255
1256 $map
1257} 1438}
1258 1439
1259sub find; 1440sub find;
1260sub find { 1441sub find {
1261 my ($path, $origin) = @_; 1442 my ($path, $origin) = @_;
1262 1443
1263 #warn "find<$path,$origin>\n";#d#
1264
1265 $path = new cf::path $path, $origin && $origin->path; 1444 $path = normalise $path, $origin && $origin->path;
1266 my $key = $path->as_string;
1267 1445
1268 cf::lock_wait "map_find:$key"; 1446 cf::lock_wait "map_find:$path";
1269 1447
1270 $cf::MAP{$key} || do { 1448 $cf::MAP{$path} || do {
1271 my $guard = cf::lock_acquire "map_find:$key"; 1449 my $guard = cf::lock_acquire "map_find:$path";
1272 1450 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; 1451 or return;
1292 1452
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; 1453 $map->{last_save} = $cf::RUNTIME;
1305 1454
1306 Coro::cede; 1455 $map->load_header
1456 or return;
1307 1457
1308 if ($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;
1309 $map->reset; 1461 $map->reset;
1310 undef $guard; 1462 undef $guard;
1311 $map = find $path 1463 return find $path;
1312 or return;
1313 } 1464 }
1314 1465
1315 $cf::MAP{$key} = $map 1466 $cf::MAP{$path} = $map
1316 } 1467 }
1317} 1468}
1469
1470sub pre_load { }
1471sub post_load { }
1318 1472
1319sub load { 1473sub load {
1320 my ($self) = @_; 1474 my ($self) = @_;
1321 1475
1476 local $self->{deny_reset} = 1; # loading can take a long time
1477
1322 my $path = $self->{path}; 1478 my $path = $self->{path};
1323 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1479 my $guard = cf::lock_acquire "map_load:$path";
1324 1480
1325 return if $self->in_memory != cf::MAP_SWAPPED; 1481 return if $self->in_memory != cf::MAP_SWAPPED;
1326 1482
1327 $self->in_memory (cf::MAP_LOADING); 1483 $self->in_memory (cf::MAP_LOADING);
1328 1484
1329 $self->alloc; 1485 $self->alloc;
1486
1487 $self->pre_load;
1488
1330 $self->load_objects ($self->{load_path}, 1) 1489 $self->_load_objects ($self->{load_path}, 1)
1331 or return; 1490 or return;
1332 1491
1333 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1492 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1334 if delete $self->{load_original}; 1493 if delete $self->{load_original};
1335 1494
1336 if (my $uniq = $path->uniq_path) { 1495 if (my $uniq = $self->uniq_path) {
1337 utf8::encode $uniq; 1496 utf8::encode $uniq;
1338 if (aio_open $uniq, O_RDONLY, 0) { 1497 if (aio_open $uniq, O_RDONLY, 0) {
1339 $self->clear_unique_items; 1498 $self->clear_unique_items;
1340 $self->load_objects ($uniq, 0); 1499 $self->_load_objects ($uniq, 0);
1341 } 1500 }
1342 } 1501 }
1343 1502
1344 Coro::cede; 1503 Coro::cede;
1345 1504
1346 # now do the right thing for maps 1505 # now do the right thing for maps
1347 $self->link_multipart_objects; 1506 $self->link_multipart_objects;
1348 1507
1349 if ($self->{path}->is_style_map) { 1508 unless ($self->{deny_activate}) {
1350 $self->{deny_save} = 1; 1509 $self->decay_objects;
1351 $self->{deny_reset} = 1;
1352 } else {
1353 $self->fix_auto_apply; 1510 $self->fix_auto_apply;
1354 $self->decay_objects;
1355 $self->update_buttons; 1511 $self->update_buttons;
1512 Coro::cede;
1356 $self->set_darkness_map; 1513 $self->set_darkness_map;
1357 $self->difficulty ($self->estimate_difficulty) 1514 $self->difficulty ($self->estimate_difficulty)
1358 unless $self->difficulty; 1515 unless $self->difficulty;
1516 Coro::cede;
1359 $self->activate; 1517 $self->activate;
1360 } 1518 }
1361 1519
1362 Coro::cede; 1520 $self->post_load;
1363 1521
1364 $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 $neigh->load;
1555 }
1365} 1556}
1366 1557
1367sub find_sync { 1558sub find_sync {
1368 my ($path, $origin) = @_; 1559 my ($path, $origin) = @_;
1369 1560
1370 cf::sync_job { cf::map::find $path, $origin } 1561 cf::sync_job { find $path, $origin }
1371} 1562}
1372 1563
1373sub do_load_sync { 1564sub do_load_sync {
1374 my ($map) = @_; 1565 my ($map) = @_;
1375 1566
1376 cf::sync_job { $map->load }; 1567 cf::sync_job { $map->load };
1377} 1568}
1378 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 $MAP_PREFETCHER->prio (6);
1596
1597 ()
1598}
1599
1379sub save { 1600sub save {
1380 my ($self) = @_; 1601 my ($self) = @_;
1381 1602
1382 my $lock = cf::lock_acquire "map_data:" . $self->path; 1603 my $lock = cf::lock_acquire "map_data:" . $self->path;
1383 1604
1384 $self->{last_save} = $cf::RUNTIME; 1605 $self->{last_save} = $cf::RUNTIME;
1385 1606
1386 return unless $self->dirty; 1607 return unless $self->dirty;
1387 1608
1388 my $save = $self->{path}->save_path; utf8::encode $save; 1609 my $save = $self->save_path; utf8::encode $save;
1389 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1610 my $uniq = $self->uniq_path; utf8::encode $uniq;
1390 1611
1391 $self->{load_path} = $save; 1612 $self->{load_path} = $save;
1392 1613
1393 return if $self->{deny_save}; 1614 return if $self->{deny_save};
1394 1615
1397 cf::async { 1618 cf::async {
1398 $_->contr->save for $self->players; 1619 $_->contr->save for $self->players;
1399 }; 1620 };
1400 1621
1401 if ($uniq) { 1622 if ($uniq) {
1402 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1623 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1403 $self->save_objects ($uniq, cf::IO_UNIQUES); 1624 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1404 } else { 1625 } else {
1405 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1626 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1406 } 1627 }
1407} 1628}
1408 1629
1409sub swap_out { 1630sub swap_out {
1410 my ($self) = @_; 1631 my ($self) = @_;
1424 1645
1425sub reset_at { 1646sub reset_at {
1426 my ($self) = @_; 1647 my ($self) = @_;
1427 1648
1428 # TODO: safety, remove and allow resettable per-player maps 1649 # TODO: safety, remove and allow resettable per-player maps
1429 return 1e99 if $self->{path}{user_rel}; 1650 return 1e99 if $self->isa ("ext::map_per_player");#d#
1430 return 1e99 if $self->{deny_reset}; 1651 return 1e99 if $self->{deny_reset};
1431 1652
1432 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1653 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1654 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1434 1655
1439 my ($self) = @_; 1660 my ($self) = @_;
1440 1661
1441 $self->reset_at <= $cf::RUNTIME 1662 $self->reset_at <= $cf::RUNTIME
1442} 1663}
1443 1664
1444sub unlink_save {
1445 my ($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 $self->save;
1463}
1464
1465sub reset { 1665sub reset {
1466 my ($self) = @_; 1666 my ($self) = @_;
1467 1667
1468 my $lock = cf::lock_acquire "map_data:" . $self->path; 1668 my $lock = cf::lock_acquire "map_data:$self->{path}";
1469 1669
1470 return if $self->players; 1670 return if $self->players;
1471 return if $self->{path}{user_rel};#d# 1671 return if $self->isa ("ext::map_per_player");#d#
1472 1672
1473 warn "resetting map ", $self->path;#d# 1673 warn "resetting map ", $self->path;#d#
1474 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
1475 delete $cf::MAP{$self->path}; 1685 delete $cf::MAP{$self->path};
1686
1687 $self->clear;
1476 1688
1477 $_->clear_links_to ($self) for values %cf::MAP; 1689 $_->clear_links_to ($self) for values %cf::MAP;
1478 1690
1479 $self->unlink_save; 1691 $self->unlink_save;
1480 $self->destroy; 1692 $self->destroy;
1483my $nuke_counter = "aaaa"; 1695my $nuke_counter = "aaaa";
1484 1696
1485sub nuke { 1697sub nuke {
1486 my ($self) = @_; 1698 my ($self) = @_;
1487 1699
1700 delete $cf::MAP{$self->path};
1701
1702 $self->unlink_save;
1703
1704 bless $self, "cf::map";
1705 delete $self->{deny_reset};
1488 $self->{deny_save} = 1; 1706 $self->{deny_save} = 1;
1489 $self->reset_timeout (1); 1707 $self->reset_timeout (1);
1490 $self->rename ("{nuke}/" . ($nuke_counter++)); 1708 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709
1710 $cf::MAP{$self->path} = $self;
1711
1491 $self->reset; # polite request, might not happen 1712 $self->reset; # polite request, might not happen
1492} 1713}
1493 1714
1494sub customise_for { 1715=item cf::map::unique_maps
1495 my ($map, $ob) = @_;
1496 1716
1497 if ($map->per_player) { 1717Returns an arrayref of paths of all shared maps that have
1498 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1718instantiated unique items. May block.
1499 }
1500 1719
1501 $map 1720=cut
1502}
1503 1721
1504sub emergency_save { 1722sub unique_maps() {
1505 my $freeze_guard = cf::freeze_mainloop; 1723 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1724 or return;
1506 1725
1507 warn "enter emergency perl save\n"; 1726 my @paths;
1508 1727
1509 cf::sync_job { 1728 for (@$files) {
1510 warn "begin emergency player save\n"; 1729 utf8::decode $_;
1511 $_->save for values %cf::PLAYER; 1730 next if /\.pst$/;
1512 warn "end emergency player save\n"; 1731 next unless /^$PATH_SEP/o;
1513 1732
1514 warn "begin emergency map save\n"; 1733 push @paths, cf::map::normalise $_;
1515 $_->save for values %cf::MAP;
1516 warn "end emergency map save\n";
1517 }; 1734 }
1518 1735
1519 warn "leave emergency perl save\n"; 1736 \@paths
1520} 1737}
1521 1738
1522package cf; 1739package cf;
1523 1740
1524=back 1741=back
1525 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
1526 1769
1527=head3 cf::object::player 1770=head3 cf::object::player
1528 1771
1529=over 4 1772=over 4
1530 1773
1570 1813
1571=item $player_object->enter_link 1814=item $player_object->enter_link
1572 1815
1573Freezes 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}>).
1574 1817
1575The 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
1576I<MUST> call C<leave_link> as soon as possible, though. 1819I<MUST> call C<leave_link> as soon as possible, though.
1577 1820
1821Will never block.
1822
1578=item $player_object->leave_link ($map, $x, $y) 1823=item $player_object->leave_link ($map, $x, $y)
1579 1824
1580Moves the player out of the specila link map onto the given map. If the 1825Moves the player out of the special C<{link}> map onto the specified
1581map is not valid (or omitted), the player will be moved back to the 1826map. If the map is not valid (or omitted), the player will be moved back
1582location he/she was before the call to C<enter_link>, or, if that fails, 1827to the location he/she was before the call to C<enter_link>, or, if that
1583to the emergency map position. 1828fails, to the emergency map position.
1584 1829
1585Might block. 1830Might block.
1586 1831
1587=cut 1832=cut
1833
1834sub link_map {
1835 unless ($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 $LINK_MAP
1842}
1588 1843
1589sub cf::object::player::enter_link { 1844sub cf::object::player::enter_link {
1590 my ($self) = @_; 1845 my ($self) = @_;
1591 1846
1592 $self->deactivate_recursive; 1847 $self->deactivate_recursive;
1593 1848
1594 return if $self->map == $LINK_MAP; 1849 return if UNIVERSAL::isa $self->map, "ext::map_link";
1595 1850
1596 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1851 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597 if $self->map; 1852 if $self->map;
1598 1853
1599 $self->enter_map ($LINK_MAP, 20, 20); 1854 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1600} 1855}
1601 1856
1602sub cf::object::player::leave_link { 1857sub cf::object::player::leave_link {
1603 my ($self, $map, $x, $y) = @_; 1858 my ($self, $map, $x, $y) = @_;
1604 1859
1622 # use -1 or undef as default coordinates, not 0, 0 1877 # use -1 or undef as default coordinates, not 0, 0
1623 ($x, $y) = ($map->enter_x, $map->enter_y) 1878 ($x, $y) = ($map->enter_x, $map->enter_y)
1624 if $x <=0 && $y <= 0; 1879 if $x <=0 && $y <= 0;
1625 1880
1626 $map->load; 1881 $map->load;
1882 $map->load_diag;
1627 1883
1628 return unless $self->contr->active; 1884 return unless $self->contr->active;
1629 $self->activate_recursive; 1885 $self->activate_recursive;
1886
1887 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1630 $self->enter_map ($map, $x, $y); 1888 $self->enter_map ($map, $x, $y);
1631} 1889}
1632 1890
1633cf::player->attach ( 1891cf::player->attach (
1634 on_logout => sub { 1892 on_logout => sub {
1647 # try to abort aborted map switching on player login :) 1905 # try to abort aborted map switching on player login :)
1648 # should happen only on crashes 1906 # should happen only on crashes
1649 if ($pl->ob->{_link_pos}) { 1907 if ($pl->ob->{_link_pos}) {
1650 $pl->ob->enter_link; 1908 $pl->ob->enter_link;
1651 (async { 1909 (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, 1910 $pl->ob->reply (undef,
1655 "There was an internal problem at your last logout, " 1911 "There was an internal problem at your last logout, "
1656 . "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.",
1657 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
1658 Coro::Timer::sleep 1; 1916 Coro::Timer::sleep 1;
1659 $pl->ob->leave_link; 1917 $pl->ob->leave_link;
1660 })->prio (2); 1918 })->prio (2);
1661 } 1919 }
1662 }, 1920 },
1670 my ($self, $path, $x, $y) = @_; 1928 my ($self, $path, $x, $y) = @_;
1671 1929
1672 $self->enter_link; 1930 $self->enter_link;
1673 1931
1674 (async { 1932 (async {
1675 $path = new cf::path $path; 1933 my $map = eval {
1676
1677 my $map = cf::map::find $path->as_string; 1934 my $map = cf::map::find $path;
1678 $map = $map->customise_for ($self) if $map; 1935 $map = $map->customise_for ($self) if $map;
1679 1936 $map
1680# warn "entering ", $map->path, " at ($x, $y)\n" 1937 } 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); 1938 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685 1939
1686 $self->leave_link ($map, $x, $y); 1940 $self->leave_link ($map, $x, $y);
1687 })->prio (1); 1941 })->prio (1);
1688} 1942}
1689 1943
1693 1947
1694sub parse_random_map_params { 1948sub parse_random_map_params {
1695 my ($spec) = @_; 1949 my ($spec) = @_;
1696 1950
1697 my $rmp = { # defaults 1951 my $rmp = { # defaults
1698 xsize => 10, 1952 xsize => (cf::rndm 15, 40),
1699 ysize => 10, 1953 ysize => (cf::rndm 15, 40),
1954 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1955 #layout => string,
1700 }; 1956 };
1701 1957
1702 for (split /\n/, $spec) { 1958 for (split /\n/, $spec) {
1703 my ($k, $v) = split /\s+/, $_, 2; 1959 my ($k, $v) = split /\s+/, $_, 2;
1704 1960
1708 $rmp 1964 $rmp
1709} 1965}
1710 1966
1711sub prepare_random_map { 1967sub prepare_random_map {
1712 my ($exit) = @_; 1968 my ($exit) = @_;
1969
1970 my $guard = cf::lock_acquire "exit_prepare:$exit";
1713 1971
1714 # all this does is basically replace the /! path by 1972 # all this does is basically replace the /! path by
1715 # a new random map path (?random/...) with a seed 1973 # a new random map path (?random/...) with a seed
1716 # that depends on the exit object 1974 # that depends on the exit object
1717 1975
1718 my $rmp = parse_random_map_params $exit->msg; 1976 my $rmp = parse_random_map_params $exit->msg;
1719 1977
1720 if ($exit->map) { 1978 if ($exit->map) {
1721 $rmp->{region} = $exit->map->region_name; 1979 $rmp->{region} = $exit->region->name;
1722 $rmp->{origin_map} = $exit->map->path; 1980 $rmp->{origin_map} = $exit->map->path;
1723 $rmp->{origin_x} = $exit->x; 1981 $rmp->{origin_x} = $exit->x;
1724 $rmp->{origin_y} = $exit->y; 1982 $rmp->{origin_y} = $exit->y;
1725 } 1983 }
1726 1984
1727 $rmp->{random_seed} ||= $exit->random_seed; 1985 $rmp->{random_seed} ||= $exit->random_seed;
1728 1986
1729 my $data = cf::to_json $rmp; 1987 my $data = cf::to_json $rmp;
1730 my $md5 = Digest::MD5::md5_hex $data; 1988 my $md5 = Digest::MD5::md5_hex $data;
1989 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1731 1990
1732 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) {
1733 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;
1734 1995
1735 $exit->slaying ("?random/$md5"); 1996 $exit->slaying ("?random/$md5");
1736 $exit->msg (undef); 1997 $exit->msg (undef);
1737 } 1998 }
1738} 1999}
1739 2000
1740sub cf::object::player::enter_exit { 2001sub cf::object::player::enter_exit {
1741 my ($self, $exit) = @_; 2002 my ($self, $exit) = @_;
1742 2003
1743 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;
1744 2016
1745 $self->enter_link; 2017 $self->enter_link;
1746 2018
1747 (async { 2019 (async {
1748 $self->deactivate_recursive; # just to be sure 2020 $self->deactivate_recursive; # just to be sure
1749 unless (eval { 2021 unless (eval {
1750 prepare_random_map $exit 2022 $self->goto ($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 2023
1756 1; 2024 1;
1757 }) { 2025 }) {
1758 $self->message ("Something went wrong deep within the crossfire server. " 2026 $self->message ("Something went wrong deep within the crossfire server. "
1759 . "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. "
1760 . "Please report this to the dungeon master", 2028 . "Please report this to the dungeon master!",
1761 cf::NDI_UNIQUE | cf::NDI_RED); 2029 cf::NDI_UNIQUE | cf::NDI_RED);
1762 2030
1763 warn "ERROR in enter_exit: $@"; 2031 warn "ERROR in enter_exit: $@";
1764 $self->leave_link; 2032 $self->leave_link;
1765 } 2033 }
1766 })->prio (1); 2034 })->prio (1);
1779 2047
1780sub cf::client::send_drawinfo { 2048sub cf::client::send_drawinfo {
1781 my ($self, $text, $flags) = @_; 2049 my ($self, $text, $flags) = @_;
1782 2050
1783 utf8::encode $text; 2051 utf8::encode $text;
1784 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2052 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785} 2053}
1786 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}
1787 2067
1788=item $success = $client->query ($flags, "text", \&cb) 2068=item $success = $client->query ($flags, "text", \&cb)
1789 2069
1790Queues a query to the client, calling the given callback with 2070Queues a query to the client, calling the given callback with
1791the 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>,
1820 # get handled first 2100 # get handled first
1821 my $queue = delete $ns->{query_queue} 2101 my $queue = delete $ns->{query_queue}
1822 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
1823 2103
1824 (shift @$queue)->[1]->($msg); 2104 (shift @$queue)->[1]->($msg);
2105 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825 2106
1826 push @{ $ns->{query_queue} }, @$queue; 2107 push @{ $ns->{query_queue} }, @$queue;
1827 2108
1828 if (@{ $ns->{query_queue} } == @$queue) { 2109 if (@{ $ns->{query_queue} } == @$queue) {
1829 if (@$queue) { 2110 if (@$queue) {
1887 2168
1888# here we export the classes and methods available to script code 2169# here we export the classes and methods available to script code
1889 2170
1890=pod 2171=pod
1891 2172
1892The following fucntions and emthods are available within a safe environment: 2173The following functions and methods are available within a safe environment:
1893 2174
1894 cf::object contr pay_amount pay_player map 2175 cf::object contr pay_amount pay_player map
1895 cf::object::player player 2176 cf::object::player player
1896 cf::player peaceful 2177 cf::player peaceful
1897 cf::map trigger 2178 cf::map trigger
1990The 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
1991using it, it should be unique. 2272using it, it should be unique.
1992 2273
1993=over 4 2274=over 4
1994 2275
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 2276=item $value = cf::db_get $family => $key
2002 2277
2003Returns a single value from the database 2278Returns 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 2279
2010=item cf::db_put $family => $key => $value 2280=item cf::db_put $family => $key => $value
2011 2281
2012Stores the given C<$value> in the family hash. Updates are delayed, if you 2282Stores 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 2283
2023=cut 2284=cut
2024 2285
2025our $DB; 2286our $DB;
2026 2287
2027{ 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
2028 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;
2029 2307
2030 sub db_load() { 2308 cf::db_put (board => data => $pst->{board});
2031 $DB = stat $path ? Storable::retrieve $path : { }; 2309 cf::db_put (guildrules => data => $pst->{guildrules});
2032 } 2310 cf::db_put (rent => balance => $pst->{rent}{balance});
2311 BDB::db_env_txn_checkpoint $DB_ENV;
2033 2312
2034 my $pid; 2313 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 } 2314 };
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 }, 2315 }
2082 ); 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 { };
2083} 2333}
2084 2334
2085############################################################################# 2335#############################################################################
2086# 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}
2087 2400
2088sub cfg_load { 2401sub cfg_load {
2089 open my $fh, "<:utf8", cf::confdir . "/config" 2402 open my $fh, "<:utf8", cf::confdir . "/config"
2090 or return; 2403 or return;
2091 2404
2108 2421
2109sub main { 2422sub main {
2110 # we must not ever block the main coroutine 2423 # we must not ever block the main coroutine
2111 local $Coro::idle = sub { 2424 local $Coro::idle = sub {
2112 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 {
2113 async { Event::one_event }; 2427 Event::one_event;
2428 })->prio (Coro::PRIO_MAX);
2114 }; 2429 };
2115 2430
2116 cfg_load; 2431 cfg_load;
2117 db_load; 2432 db_init;
2118 load_extensions; 2433 load_extensions;
2434
2435 $TICK_WATCHER->start;
2119 Event::loop; 2436 Event::loop;
2120} 2437}
2121 2438
2122############################################################################# 2439#############################################################################
2123# 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 $make_core;
2495}
2124 2496
2125sub reload() { 2497sub reload() {
2126 # can/must only be called in main 2498 # can/must only be called in main
2127 if ($Coro::current != $Coro::main) { 2499 if ($Coro::current != $Coro::main) {
2128 warn "can only reload from main coroutine\n"; 2500 warn "can only reload from main coroutine";
2129 return; 2501 return;
2130 } 2502 }
2131 2503
2132 warn "reloading..."; 2504 warn "reloading...";
2133 2505
2134 my $guard = freeze_mainloop; 2506 warn "entering sync_job";
2507
2508 cf::sync_job {
2509 cf::write_runtime; # external watchdog should not bark
2135 cf::emergency_save; 2510 cf::emergency_save;
2511 cf::write_runtime; # external watchdog should not bark
2136 2512
2137 eval { 2513 warn "syncing database to disk";
2514 BDB::db_env_txn_checkpoint $DB_ENV;
2515
2138 # 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
2139 2517
2140 # cancel all watchers 2518 warn "cancelling all WF_AUTOCANCEL watchers";
2141 for (Event::all_watchers) { 2519 for (Event::all_watchers) {
2142 $_->cancel if $_->data & WF_AUTOCANCEL; 2520 $_->cancel if $_->data & WF_AUTOCANCEL;
2143 } 2521 }
2144 2522
2523 warn "flushing outstanding aio requests";
2524 for (;;) {
2525 BDB::flush;
2526 IO::AIO::flush;
2527 Coro::cede;
2528 last unless IO::AIO::nreqs || BDB::nreqs;
2529 warn "iterate...";
2530 }
2531
2532 ++$RELOAD;
2533
2145 # cancel all extension coros 2534 warn "cancelling all extension coros";
2146 $_->cancel for values %EXT_CORO; 2535 $_->cancel for values %EXT_CORO;
2147 %EXT_CORO = (); 2536 %EXT_CORO = ();
2148 2537
2149 # unload all extensions 2538 warn "removing commands";
2150 for (@exts) { 2539 %COMMAND = ();
2540
2541 warn "removing ext commands";
2542 %EXTCMD = ();
2543
2544 warn "unloading/nuking all extensions";
2545 for my $pkg (@EXTS) {
2151 warn "unloading <$_>"; 2546 warn "... unloading $pkg";
2152 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: $@";
2153 } 2553 }
2154 2554
2555 warn "... nuking $pkg";
2556 Symbol::delete_package $pkg;
2557 }
2558
2155 # unload all modules loaded from $LIBDIR 2559 warn "unloading all perl modules loaded from $LIBDIR";
2156 while (my ($k, $v) = each %INC) { 2560 while (my ($k, $v) = each %INC) {
2157 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2561 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158 2562
2159 warn "removing <$k>"; 2563 warn "... unloading $k";
2160 delete $INC{$k}; 2564 delete $INC{$k};
2161 2565
2162 $k =~ s/\.pm$//; 2566 $k =~ s/\.pm$//;
2163 $k =~ s/\//::/g; 2567 $k =~ s/\//::/g;
2164 2568
2167 } 2571 }
2168 2572
2169 Symbol::delete_package $k; 2573 Symbol::delete_package $k;
2170 } 2574 }
2171 2575
2172 # sync database to disk
2173 cf::db_sync;
2174 IO::AIO::flush;
2175
2176 # get rid of safe::, as good as possible 2576 warn "getting rid of safe::, as good as possible";
2177 Symbol::delete_package "safe::$_" 2577 Symbol::delete_package "safe::$_"
2178 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);
2179 2579
2180 # remove register_script_function callbacks
2181 # TODO
2182
2183 # unload cf.pm "a bit" 2580 warn "unloading cf.pm \"a bit\"";
2184 delete $INC{"cf.pm"}; 2581 delete $INC{"cf.pm"};
2185 2582
2186 # don't, removes xs symbols, too, 2583 # don't, removes xs symbols, too,
2187 # and global variables created in xs 2584 # and global variables created in xs
2188 #Symbol::delete_package __PACKAGE__; 2585 #Symbol::delete_package __PACKAGE__;
2189 2586
2190 # reload cf.pm 2587 warn "unload completed, starting to reload now";
2588
2191 warn "reloading cf.pm"; 2589 warn "reloading cf.pm";
2192 require cf; 2590 require cf;
2193 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2591 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194 2592
2195 # load config and database again 2593 warn "loading config and database again";
2196 cf::cfg_load; 2594 cf::cfg_load;
2197 cf::db_load;
2198 2595
2199 # load extensions
2200 warn "load extensions"; 2596 warn "loading extensions";
2201 cf::load_extensions; 2597 cf::load_extensions;
2202 2598
2203 # reattach attachments to objects 2599 warn "reattaching attachments to objects/players";
2204 warn "reattach"; 2600 _global_reattach; # objects, sockets
2205 _global_reattach; 2601 warn "reattaching attachments to maps";
2206 reattach $_ for values %MAP; 2602 reattach $_ for values %MAP;
2207 }; 2603 warn "reattaching attachments to players";
2604 reattach $_ for values %PLAYER;
2208 2605
2209 if ($@) { 2606 warn "loading reloadable resources";
2607 reload_resources;
2608
2609 warn "leaving sync_job";
2610
2611 1
2612 } or do {
2210 warn $@; 2613 warn $@;
2211 warn "error while reloading, exiting."; 2614 warn "error while reloading, exiting.";
2212 exit 1; 2615 exit 1;
2213 } 2616 };
2214 2617
2215 warn "reloaded successfully"; 2618 warn "reloaded";
2216}; 2619};
2217 2620
2218############################################################################# 2621our $RELOAD_WATCHER; # used only during reload
2219
2220unless ($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} = $LINK_MAP;
2259}
2260
2261register "<global>", __PACKAGE__;
2262 2622
2263register_command "reload" => sub { 2623register_command "reload" => sub {
2264 my ($who, $arg) = @_; 2624 my ($who, $arg) = @_;
2265 2625
2266 if ($who->flag (FLAG_WIZ)) { 2626 if ($who->flag (FLAG_WIZ)) {
2267 $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 {
2268 reload; 2637 reload;
2269 $who->message ("end of reload."); 2638 undef $RELOAD_WATCHER;
2639 },
2640 );
2270 } 2641 }
2271}; 2642};
2272 2643
2273unshift @INC, $LIBDIR; 2644unshift @INC, $LIBDIR;
2645
2646my $bug_warning = 0;
2274 2647
2275$TICK_WATCHER = Event->timer ( 2648$TICK_WATCHER = Event->timer (
2276 reentrant => 0, 2649 reentrant => 0,
2650 parked => 1,
2277 prio => 0, 2651 prio => 0,
2278 at => $NEXT_TICK || $TICK, 2652 at => $NEXT_TICK || $TICK,
2279 data => WF_AUTOCANCEL, 2653 data => WF_AUTOCANCEL,
2280 cb => sub { 2654 cb => sub {
2655 if ($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
2281 cf::server_tick; # one server iteration 2663 cf::server_tick; # one server iteration
2282 $RUNTIME += $TICK; 2664 $RUNTIME += $TICK;
2283 $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#
2284 2680
2285 # 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
2286 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2682 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287 2683
2288 $TICK_WATCHER->at ($NEXT_TICK); 2684 $TICK_WATCHER->at ($NEXT_TICK);
2289 $TICK_WATCHER->start; 2685 $TICK_WATCHER->start;
2290 }, 2686 },
2291); 2687);
2292 2688
2689{
2293IO::AIO::max_poll_time $TICK * 0.2; 2690 BDB::max_poll_time $TICK * 0.1;
2294 2691 $BDB_POLL_WATCHER = Event->io (
2295Event->io ( 2692 reentrant => 0,
2296 fd => IO::AIO::poll_fileno, 2693 fd => BDB::poll_fileno,
2297 poll => 'r', 2694 poll => 'r',
2298 prio => 5, 2695 prio => 0,
2299 data => WF_AUTOCANCEL,
2300 cb => \&IO::AIO::poll_cb,
2301);
2302
2303Event->timer (
2304 data => WF_AUTOCANCEL, 2696 data => WF_AUTOCANCEL,
2305 after => 0, 2697 cb => \&BDB::poll_cb,
2306 interval => 10, 2698 );
2307 cb => sub { 2699 BDB::min_parallel 8;
2308 (Coro::unblock_sub { 2700
2309 write_runtime 2701 BDB::set_sync_prepare {
2310 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 $@;
2311 })->(); 2735 };
2312 }, 2736 }
2313); 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}
2314 2753
2315END { cf::emergency_save } 2754END { cf::emergency_save }
2316 2755
23171 27561
2318 2757

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