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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.249 by root, Wed Apr 18 12:43:54 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 3.61 ();
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 ();
20use Data::Dumper; 24use Data::Dumper;
21use Digest::MD5; 25use Digest::MD5;
22use Fcntl; 26use Fcntl;
27use YAML::Syck ();
23use IO::AIO 2.32 (); 28use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 29use Time::HiRes;
30use Compress::LZF;
26 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
27use 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
28 39
29# 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?
30$YAML::Syck::ImplicitUnicode = 1; 41$YAML::Syck::ImplicitUnicode = 1;
31 42
32$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33 44
34sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35 46
36our %COMMAND = (); 47our %COMMAND = ();
37our %COMMAND_TIME = (); 48our %COMMAND_TIME = ();
49
50our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 51our %EXTCMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps
39 54
55our $RELOAD; # number of reloads so far
40our @EVENT; 56our @EVENT;
41our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
42 58
43our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44our $TICK_WATCHER; 60our $TICK_WATCHER;
61our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 63our $NEXT_TICK;
46our $NOW; 64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off
66
67our $BDB_POLL_WATCHER;
68our $DB_ENV;
47 69
48our %CFG; 70our %CFG;
49 71
50our $UPTIME; $UPTIME ||= time; 72our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 73our $RUNTIME;
52 74
53our %PLAYER; # all users 75our %PLAYER; # all users
54our %MAP; # all maps 76our %MAP; # all maps
55our $LINK_MAP; # the special {link} map 77our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions 79our $BDB_ENV_DIR = cf::localdir . "/db";
80
81# used to convert map paths into valid unix filenames by replacing / by ∕
82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
58 83
59binmode STDOUT; 84binmode STDOUT;
60binmode STDERR; 85binmode STDERR;
61 86
62# read virtual server time, if available 87# read virtual server time, if available
69mkdir cf::localdir; 94mkdir cf::localdir;
70mkdir cf::localdir . "/" . cf::playerdir; 95mkdir cf::localdir . "/" . cf::playerdir;
71mkdir cf::localdir . "/" . cf::tmpdir; 96mkdir cf::localdir . "/" . cf::tmpdir;
72mkdir cf::localdir . "/" . cf::uniquedir; 97mkdir cf::localdir . "/" . cf::uniquedir;
73mkdir $RANDOM_MAPS; 98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
74 100
75# a special map that is always available
76our $LINK_MAP;
77our $EMERGENCY_POSITION; 101our $EMERGENCY_POSITION;
102
103sub cf::map::normalise;
78 104
79############################################################################# 105#############################################################################
80 106
81=head2 GLOBAL VARIABLES 107=head2 GLOBAL VARIABLES
82 108
106 132
107=item %cf::CFG 133=item %cf::CFG
108 134
109Configuration for the server, loaded from C</etc/crossfire/config>, or 135Configuration for the server, loaded from C</etc/crossfire/config>, or
110from wherever your confdir points to. 136from wherever your confdir points to.
137
138=item cf::wait_for_tick, cf::wait_for_tick_begin
139
140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141returns directly I<after> the tick processing (and consequently, can only wake one process
142per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111 143
112=back 144=back
113 145
114=cut 146=cut
115 147
146} 178}
147 179
148$Event::DIED = sub { 180$Event::DIED = sub {
149 warn "error in event callback: @_"; 181 warn "error in event callback: @_";
150}; 182};
151
152my %ext_pkg;
153my @exts;
154my @hook;
155 183
156=head2 UTILITY FUNCTIONS 184=head2 UTILITY FUNCTIONS
157 185
158=over 4 186=over 4
159 187
178 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 206 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179 $d 207 $d
180 } || "[unable to dump $_[0]: '$@']"; 208 } || "[unable to dump $_[0]: '$@']";
181} 209}
182 210
183use JSON::Syck (); # TODO# replace by JSON::PC once working 211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
184 212
185=item $ref = cf::from_json $json 213=item $ref = cf::from_json $json
186 214
187Converts a JSON string into the corresponding perl data structure. 215Converts a JSON string into the corresponding perl data structure.
188 216
189=cut
190
191sub from_json($) {
192 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193 JSON::Syck::Load $_[0]
194}
195
196=item $json = cf::to_json $ref 217=item $json = cf::to_json $ref
197 218
198Converts a perl data structure into its JSON representation. 219Converts a perl data structure into its JSON representation.
199
200=cut
201
202sub to_json($) {
203 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
204 JSON::Syck::Dump $_[0]
205}
206 220
207=item cf::lock_wait $string 221=item cf::lock_wait $string
208 222
209Wait until the given lock is available. See cf::lock_acquire. 223Wait until the given lock is available. See cf::lock_acquire.
210 224
247} 261}
248 262
249sub freeze_mainloop { 263sub freeze_mainloop {
250 return unless $TICK_WATCHER->is_active; 264 return unless $TICK_WATCHER->is_active;
251 265
252 my $guard = Coro::guard { $TICK_WATCHER->start }; 266 my $guard = Coro::guard {
267 $TICK_WATCHER->start;
268 };
253 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
254 $guard 270 $guard
255} 271}
256 272
257=item cf::async { BLOCK } 273=item cf::async { BLOCK }
309 } 325 }
310} 326}
311 327
312=item $coro = cf::async_ext { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
313 329
314Like async, but this coro is automcatially being canceled when the 330Like async, but this coro is automatically being canceled when the
315extension calling this is being unloaded. 331extension calling this is being unloaded.
316 332
317=cut 333=cut
318 334
319sub async_ext(&) { 335sub async_ext(&) {
328 344
329 $coro 345 $coro
330} 346}
331 347
332sub write_runtime { 348sub write_runtime {
349 my $guard = cf::lock_acquire "write_runtime";
350
333 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
334 352
335 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336 or return; 354 or return;
337 355
356 my $value = $cf::RUNTIME + 90 + 10;
338 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359
339 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
340 and return; 361 and return;
341 362
363 # always fsync - this file is important
342 aio_fsync $fh 364 aio_fsync $fh
343 and return; 365 and return;
344 366
345 close $fh 367 close $fh
346 or return; 368 or return;
349 and return; 371 and return;
350 372
351 1 373 1
352} 374}
353 375
376=item cf::datalog type => key => value, ...
377
378Log a datalog packet of the given type with the given key-value pairs.
379
380=cut
381
382sub datalog($@) {
383 my ($type, %kv) = @_;
384 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385}
386
354=back 387=back
355 388
356=cut 389=cut
357
358#############################################################################
359
360package cf::path;
361
362# used to convert map paths into valid unix filenames by repalcing / by ∕
363our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365sub new {
366 my ($class, $path, $base) = @_;
367
368 $path = $path->as_string if ref $path;
369
370 my $self = bless { }, $class;
371
372 # {... are special paths that are not touched
373 # ?xxx/... are special absolute paths
374 # ?random/... random maps
375 # /! non-realised random map exit
376 # /... normal maps
377 # ~/... per-player maps without a specific player (DO NOT USE)
378 # ~user/... per-player map of a specific user
379
380 if ($path =~ /^{/) {
381 # fine as it is
382 } elsif ($path =~ s{^\?random/}{}) {
383 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384 $self->{random} = cf::from_json $data;
385 } else {
386 if ($path =~ s{^~([^/]+)?}{}) {
387 $self->{user_rel} = 1;
388
389 if (defined $1) {
390 $self->{user} = $1;
391 } elsif ($base =~ m{^~([^/]+)/}) {
392 $self->{user} = $1;
393 } else {
394 warn "cannot resolve user-relative path without user <$path,$base>\n";
395 }
396 } elsif ($path =~ /^\//) {
397 # already absolute
398 } else {
399 $base =~ s{[^/]+/?$}{};
400 return $class->new ("$base/$path");
401 }
402
403 for ($path) {
404 redo if s{/\.?/}{/};
405 redo if s{/[^/]+/\.\./}{/};
406 }
407 }
408
409 $self->{path} = $path;
410
411 $self
412}
413
414# the name / primary key / in-game path
415sub as_string {
416 my ($self) = @_;
417
418 $self->{user_rel} ? "~$self->{user}$self->{path}"
419 : $self->{random} ? "?random/$self->{path}"
420 : $self->{path}
421}
422
423# the displayed name, this is a one way mapping
424sub visible_name {
425 my ($self) = @_;
426
427# if (my $rmp = $self->{random}) {
428# # todo: be more intelligent about this
429# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430# } else {
431 $self->as_string
432# }
433}
434
435# escape the /'s in the path
436sub _escaped_path {
437 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438 $path
439}
440
441# the original (read-only) location
442sub load_path {
443 my ($self) = @_;
444
445 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446}
447
448# the temporary/swap location
449sub save_path {
450 my ($self) = @_;
451
452 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455}
456
457# the unique path, might be eq to save_path
458sub uniq_path {
459 my ($self) = @_;
460
461 $self->{user_rel} || $self->{random}
462 ? undef
463 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464}
465
466# return random map parameters, or undef
467sub random_map_params {
468 my ($self) = @_;
469
470 $self->{random}
471}
472
473# this is somewhat ugly, but style maps do need special treatment
474sub is_style_map {
475 $_[0]{path} =~ m{^/styles/}
476}
477
478package cf;
479 390
480############################################################################# 391#############################################################################
481 392
482=head2 ATTACHABLE OBJECTS 393=head2 ATTACHABLE OBJECTS
483 394
609our @CB_TYPE = (); # registry for type (cf-object class) based events 520our @CB_TYPE = (); # registry for type (cf-object class) based events
610our @CB_MAP = (); 521our @CB_MAP = ();
611 522
612my %attachment; 523my %attachment;
613 524
525sub cf::attachable::thawer_merge {
526 # simply override everything except _meta
527 local $_[0]{_meta};
528 %{$_[0]} = %{$_[1]};
529}
530
614sub _attach_cb($$$$) { 531sub _attach_cb($$$$) {
615 my ($registry, $event, $prio, $cb) = @_; 532 my ($registry, $event, $prio, $cb) = @_;
616 533
617 use sort 'stable'; 534 use sort 'stable';
618 535
789# object support 706# object support
790 707
791sub reattach { 708sub reattach {
792 # basically do the same as instantiate, without calling instantiate 709 # basically do the same as instantiate, without calling instantiate
793 my ($obj) = @_; 710 my ($obj) = @_;
711
712 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794 713
795 my $registry = $obj->registry; 714 my $registry = $obj->registry;
796 715
797 @$registry = (); 716 @$registry = ();
798 717
845 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
846 765
847 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
849 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
851 close $fh; 770 close $fh;
852 771
853 if (@$objs) { 772 if (@$objs) {
854 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 773 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
856 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
857 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
858 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
859 close $fh; 778 close $fh;
860 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
861 } 780 }
862 } else { 781 } else {
863 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
930=cut 849=cut
931 850
932sub register_extcmd { 851sub register_extcmd {
933 my ($name, $cb) = @_; 852 my ($name, $cb) = @_;
934 853
935 my $caller = caller;
936 #warn "registering extcmd '$name' to '$caller'";
937
938 $EXTCMD{$name} = [$cb, $caller]; 854 $EXTCMD{$name} = $cb;
939} 855}
940 856
941cf::player->attach ( 857cf::player->attach (
942 on_command => sub { 858 on_command => sub {
943 my ($pl, $name, $params) = @_; 859 my ($pl, $name, $params) = @_;
956 872
957 my $msg = eval { from_json $buf }; 873 my $msg = eval { from_json $buf };
958 874
959 if (ref $msg) { 875 if (ref $msg) {
960 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 876 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961 if (my %reply = $cb->[0]->($pl, $msg)) { 877 if (my %reply = $cb->($pl, $msg)) {
962 $pl->ext_reply ($msg->{msgid}, %reply); 878 $pl->ext_reply ($msg->{msgid}, %reply);
963 } 879 }
964 } 880 }
965 } else { 881 } else {
966 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
968 884
969 cf::override; 885 cf::override;
970 }, 886 },
971); 887);
972 888
973sub register {
974 my ($base, $pkg) = @_;
975
976 #TODO
977}
978
979sub load_extension { 889sub load_extension {
980 my ($path) = @_; 890 my ($path) = @_;
981 891
982 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
983 my $base = $1; 893 my $base = $1;
984 my $pkg = $1; 894 my $pkg = $1;
985 $pkg =~ s/[^[:word:]]/_/g; 895 $pkg =~ s/[^[:word:]]/_/g;
986 $pkg = "ext::$pkg"; 896 $pkg = "ext::$pkg";
987 897
988 warn "loading '$path' into '$pkg'\n"; 898 warn "... loading '$path' into '$pkg'\n";
989 899
990 open my $fh, "<:utf8", $path 900 open my $fh, "<:utf8", $path
991 or die "$path: $!"; 901 or die "$path: $!";
992 902
993 my $source = 903 my $source =
994 "package $pkg; use strict; use utf8;\n" 904 "package $pkg; use strict; use utf8;\n"
995 . "#line 1 \"$path\"\n{\n" 905 . "#line 1 \"$path\"\n{\n"
996 . (do { local $/; <$fh> }) 906 . (do { local $/; <$fh> })
997 . "\n};\n1"; 907 . "\n};\n1";
998 908
999 eval $source 909 unless (eval $source) {
1000 or die $@ ? "$path: $@\n" 910 my $msg = $@ ? "$path: $@\n"
1001 : "extension disabled.\n"; 911 : "extension disabled.\n";
1002 912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003 push @exts, $pkg; 913 warn $@;
1004 $ext_pkg{$base} = $pkg; 914 warn "mandatory extension failed to load, exiting.\n";
1005 915 exit 1;
1006# no strict 'refs'; 916 }
1007# @{"$pkg\::ISA"} = ext::; 917 die $@;
1008
1009 register $base, $pkg;
1010}
1011
1012sub unload_extension {
1013 my ($pkg) = @_;
1014
1015 warn "removing extension $pkg\n";
1016
1017 # remove hooks
1018 #TODO
1019# for my $idx (0 .. $#PLUGIN_EVENT) {
1020# delete $hook[$idx]{$pkg};
1021# } 918 }
1022 919
1023 # remove commands 920 push @EXTS, $pkg;
1024 for my $name (keys %COMMAND) {
1025 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027 if (@cb) {
1028 $COMMAND{$name} = \@cb;
1029 } else {
1030 delete $COMMAND{$name};
1031 }
1032 }
1033
1034 # remove extcmds
1035 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036 delete $EXTCMD{$name};
1037 }
1038
1039 if (my $cb = $pkg->can ("unload")) {
1040 eval {
1041 $cb->($pkg);
1042 1
1043 } or warn "$pkg unloaded, but with errors: $@";
1044 }
1045
1046 Symbol::delete_package $pkg;
1047} 921}
1048 922
1049sub load_extensions { 923sub load_extensions {
1050 for my $ext (<$LIBDIR/*.ext>) { 924 for my $ext (<$LIBDIR/*.ext>) {
1051 next unless -r $ext; 925 next unless -r $ext;
1055 } or warn "$ext not loaded: $@"; 929 } or warn "$ext not loaded: $@";
1056 } 930 }
1057} 931}
1058 932
1059############################################################################# 933#############################################################################
1060# load/save/clean perl data associated with a map
1061
1062*cf::mapsupport::on_clean = sub {
1063 my ($map) = @_;
1064
1065 my $path = $map->tmpname;
1066 defined $path or return;
1067
1068 unlink "$path.pst";
1069};
1070
1071cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073#############################################################################
1074# load/save perl data associated with player->ob objects
1075
1076sub all_objects(@) {
1077 @_, map all_objects ($_->inv), @_
1078}
1079
1080# TODO: compatibility cruft, remove when no longer needed
1081cf::player->attach (
1082 on_load => sub {
1083 my ($pl, $path) = @_;
1084
1085 for my $o (all_objects $pl->ob) {
1086 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087 $o->set_ob_key_value ("_perl_data");
1088
1089 %$o = %{ Storable::thaw pack "H*", $value };
1090 }
1091 }
1092 },
1093);
1094
1095#############################################################################
1096 934
1097=head2 CORE EXTENSIONS 935=head2 CORE EXTENSIONS
1098 936
1099Functions and methods that extend core crossfire objects. 937Functions and methods that extend core crossfire objects.
1100 938
1123} 961}
1124 962
1125sub path($) { 963sub path($) {
1126 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127 965
1128 (playerdir $login) . "/$login.pl" 966 (playerdir $login) . "/playerdata"
1129} 967}
1130 968
1131sub find_active($) { 969sub find_active($) {
1132 $cf::PLAYER{$_[0]} 970 $cf::PLAYER{$_[0]}
1133 and $cf::PLAYER{$_[0]}->active 971 and $cf::PLAYER{$_[0]}->active
1136 974
1137sub exists($) { 975sub exists($) {
1138 my ($login) = @_; 976 my ($login) = @_;
1139 977
1140 $cf::PLAYER{$login} 978 $cf::PLAYER{$login}
1141 or cf::sync_job { !aio_stat $login } 979 or cf::sync_job { !aio_stat path $login }
1142} 980}
1143 981
1144sub find($) { 982sub find($) {
1145 return $cf::PLAYER{$_[0]} || do { 983 return $cf::PLAYER{$_[0]} || do {
1146 my $login = $_[0]; 984 my $login = $_[0];
1147 985
1148 my $guard = cf::lock_acquire "user_find:$login"; 986 my $guard = cf::lock_acquire "user_find:$login";
1149 987
1150 $cf::PLAYER{$_[0]} || do { 988 $cf::PLAYER{$_[0]} || do {
989 # rename old playerfiles to new ones
990 #TODO: remove when no longer required
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl";
995
1151 my $pl = load_pl path $login 996 my $pl = load_pl path $login
1152 or return; 997 or return;
1153 $cf::PLAYER{$login} = $pl 998 $cf::PLAYER{$login} = $pl
1154 } 999 }
1155 } 1000 }
1192 1037
1193=cut 1038=cut
1194 1039
1195sub quit_character { 1040sub quit_character {
1196 my ($pl) = @_; 1041 my ($pl) = @_;
1042
1043 my $name = $pl->ob->name;
1197 1044
1198 $pl->{deny_save} = 1; 1045 $pl->{deny_save} = 1;
1199 $pl->password ("*"); # this should lock out the player until we nuked the dir 1046 $pl->password ("*"); # this should lock out the player until we nuked the dir
1200 1047
1201 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1206 my $path = playerdir $pl; 1053 my $path = playerdir $pl;
1207 my $temp = "$path~$cf::RUNTIME~deleting~"; 1054 my $temp = "$path~$cf::RUNTIME~deleting~";
1208 aio_rename $path, $temp; 1055 aio_rename $path, $temp;
1209 delete $cf::PLAYER{$pl->ob->name}; 1056 delete $cf::PLAYER{$pl->ob->name};
1210 $pl->destroy; 1057 $pl->destroy;
1058
1059 my $prefix = qr<^~\Q$name\E/>;
1060
1061 # nuke player maps
1062 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1063
1211 IO::AIO::aio_rmtree $temp; 1064 IO::AIO::aio_rmtree $temp;
1065}
1066
1067=item $pl->kick
1068
1069Kicks a player out of the game. This destroys the connection.
1070
1071=cut
1072
1073sub kick {
1074 my ($pl, $kicker) = @_;
1075
1076 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1077 $pl->killer ("kicked");
1078 $pl->ns->destroy;
1212} 1079}
1213 1080
1214=item cf::player::list_logins 1081=item cf::player::list_logins
1215 1082
1216Returns am arrayref of all valid playernames in the system, can take a 1083Returns am arrayref of all valid playernames in the system, can take a
1225 my @logins; 1092 my @logins;
1226 1093
1227 for my $login (@$dirs) { 1094 for my $login (@$dirs) {
1228 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1095 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229 aio_read $fh, 0, 512, my $buf, 0 or next; 1096 aio_read $fh, 0, 512, my $buf, 0 or next;
1230 $buf !~ /^password -------------$/ or next; # official not-valid tag 1097 $buf !~ /^password -------------$/m or next; # official not-valid tag
1231 1098
1232 utf8::decode $login; 1099 utf8::decode $login;
1233 push @logins, $login; 1100 push @logins, $login;
1234 } 1101 }
1235 1102
1236 \@logins 1103 \@logins
1237} 1104}
1238 1105
1239=item $player->maps 1106=item $player->maps
1240 1107
1241Returns an arrayref of cf::path's of all maps that are private for this 1108Returns an arrayref of map paths that are private for this
1242player. May block. 1109player. May block.
1243 1110
1244=cut 1111=cut
1245 1112
1246sub maps($) { 1113sub maps($) {
1247 my ($pl) = @_; 1114 my ($pl) = @_;
1115
1116 $pl = ref $pl ? $pl->ob->name : $pl;
1248 1117
1249 my $files = aio_readdir playerdir $pl 1118 my $files = aio_readdir playerdir $pl
1250 or return; 1119 or return;
1251 1120
1252 my @paths; 1121 my @paths;
1253 1122
1254 for (@$files) { 1123 for (@$files) {
1255 utf8::decode $_; 1124 utf8::decode $_;
1256 next if /\.(?:pl|pst)$/; 1125 next if /\.(?:pl|pst)$/;
1257 next unless /^$PATH_SEP/; 1126 next unless /^$PATH_SEP/o;
1258 1127
1259 s/$PATH_SEP/\//g; 1128 push @paths, cf::map::normalise "~$pl/$_";
1260 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261 } 1129 }
1262 1130
1263 \@paths 1131 \@paths
1264} 1132}
1265 1133
1266=item $player->ext_reply ($msgid, $msgtype, %msg) 1134=item $player->ext_reply ($msgid, %msg)
1267 1135
1268Sends an ext reply to the player. 1136Sends an ext reply to the player.
1269 1137
1270=cut 1138=cut
1271 1139
1272sub ext_reply($$$%) { 1140sub ext_reply($$%) {
1273 my ($self, $id, %msg) = @_; 1141 my ($self, $id, %msg) = @_;
1274 1142
1275 $msg{msgid} = $id; 1143 $msg{msgid} = $id;
1276 1144
1277 $self->send ("ext " . cf::to_json \%msg); 1145 $self->send ("ext " . cf::to_json \%msg);
1278} 1146}
1279 1147
1280package cf; 1148=item $player->ext_event ($type, %msg)
1149
1150Sends an ext event to the client.
1151
1152=cut
1153
1154sub ext_event($$%) {
1155 my ($self, $type, %msg) = @_;
1156
1157 $self->ns->ext_event ($type, %msg);
1158}
1159
1160=head3 cf::region
1161
1162=over 4
1163
1164=cut
1165
1166package cf::region;
1167
1168=item cf::region::find_by_path $path
1169
1170Tries to decuce the probable region for a map knowing only its path.
1171
1172=cut
1173
1174sub find_by_path($) {
1175 my ($path) = @_;
1176
1177 my ($match, $specificity);
1178
1179 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) {
1181 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity;
1183 }
1184 }
1185
1186 $match
1187}
1281 1188
1282=back 1189=back
1283
1284 1190
1285=head3 cf::map 1191=head3 cf::map
1286 1192
1287=over 4 1193=over 4
1288 1194
1291package cf::map; 1197package cf::map;
1292 1198
1293use Fcntl; 1199use Fcntl;
1294use Coro::AIO; 1200use Coro::AIO;
1295 1201
1202use overload
1203 '""' => \&as_string,
1204 fallback => 1;
1205
1296our $MAX_RESET = 3600; 1206our $MAX_RESET = 3600;
1297our $DEFAULT_RESET = 3000; 1207our $DEFAULT_RESET = 3000;
1298 1208
1299sub generate_random_map { 1209sub generate_random_map {
1300 my ($path, $rmp) = @_; 1210 my ($self, $rmp) = @_;
1301
1302 # mit "rum" bekleckern, nicht 1211 # mit "rum" bekleckern, nicht
1303 cf::map::_create_random_map 1212 $self->_create_random_map (
1304 $path,
1305 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1213 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1214 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1215 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308 $rmp->{exit_on_final_map}, 1216 $rmp->{exit_on_final_map},
1309 $rmp->{xsize}, $rmp->{ysize}, 1217 $rmp->{xsize}, $rmp->{ysize},
1310 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1218 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1219 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1220 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1221 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1222 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315 (cf::region::find $rmp->{region}) 1223 (cf::region::find $rmp->{region}), $rmp->{custom}
1224 )
1225}
1226
1227=item cf::map->register ($regex, $prio)
1228
1229Register a handler for the map path matching the given regex at the
1230givne priority (higher is better, built-in handlers have priority 0, the
1231default).
1232
1233=cut
1234
1235sub register {
1236 my (undef, $regex, $prio) = @_;
1237 my $pkg = caller;
1238
1239 no strict;
1240 push @{"$pkg\::ISA"}, __PACKAGE__;
1241
1242 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243}
1244
1245# also paths starting with '/'
1246$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1247
1248sub thawer_merge {
1249 my ($self, $merge) = @_;
1250
1251 # we have to keep some variables in memory intact
1252 local $self->{path};
1253 local $self->{load_path};
1254 local $self->{deny_save};
1255 local $self->{deny_reset};
1256
1257 $self->SUPER::thawer_merge ($merge);
1258}
1259
1260sub normalise {
1261 my ($path, $base) = @_;
1262
1263 $path = "$path"; # make sure its a string
1264
1265 $path =~ s/\.map$//;
1266
1267 # map plan:
1268 #
1269 # /! non-realised random map exit (special hack!)
1270 # {... are special paths that are not being touched
1271 # ?xxx/... are special absolute paths
1272 # ?random/... random maps
1273 # /... normal maps
1274 # ~user/... per-player map of a specific user
1275
1276 $path =~ s/$PATH_SEP/\//go;
1277
1278 # treat it as relative path if it starts with
1279 # something that looks reasonable
1280 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1281 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1282
1283 $base =~ s{[^/]+/?$}{};
1284 $path = "$base/$path";
1285 }
1286
1287 for ($path) {
1288 redo if s{//}{/};
1289 redo if s{/\.?/}{/};
1290 redo if s{/[^/]+/\.\./}{/};
1291 }
1292
1293 $path
1294}
1295
1296sub new_from_path {
1297 my (undef, $path, $base) = @_;
1298
1299 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1300
1301 $path = normalise $path, $base;
1302
1303 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1304 if ($path =~ $EXT_MAP{$pkg}[1]) {
1305 my $self = bless cf::map::new, $pkg;
1306 $self->{path} = $path; $self->path ($path);
1307 $self->init; # pass $1 etc.
1308 return $self;
1309 }
1310 }
1311
1312 Carp::carp "unable to resolve path '$path' (base '$base').";
1313 ()
1314}
1315
1316sub init {
1317 my ($self) = @_;
1318
1319 $self
1320}
1321
1322sub as_string {
1323 my ($self) = @_;
1324
1325 "$self->{path}"
1326}
1327
1328# the displayed name, this is a one way mapping
1329sub visible_name {
1330 &as_string
1331}
1332
1333# the original (read-only) location
1334sub load_path {
1335 my ($self) = @_;
1336
1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1338}
1339
1340# the temporary/swap location
1341sub save_path {
1342 my ($self) = @_;
1343
1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1346}
1347
1348# the unique path, undef == no special unique path
1349sub uniq_path {
1350 my ($self) = @_;
1351
1352 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316} 1354}
1317 1355
1318# and all this just because we cannot iterate over 1356# and all this just because we cannot iterate over
1319# all maps in C++... 1357# all maps in C++...
1320sub change_all_map_light { 1358sub change_all_map_light {
1322 1360
1323 $_->change_map_light ($change) 1361 $_->change_map_light ($change)
1324 for grep $_->outdoor, values %cf::MAP; 1362 for grep $_->outdoor, values %cf::MAP;
1325} 1363}
1326 1364
1365sub unlink_save {
1366 my ($self) = @_;
1367
1368 utf8::encode (my $save = $self->save_path);
1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1370 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1371}
1372
1327sub try_load_header($) { 1373sub load_header_from($) {
1328 my ($path) = @_; 1374 my ($self, $path) = @_;
1329 1375
1330 utf8::encode $path; 1376 utf8::encode $path;
1331 aio_open $path, O_RDONLY, 0 1377 #aio_open $path, O_RDONLY, 0
1378 # or return;
1379
1380 $self->_load_header ($path)
1332 or return; 1381 or return;
1333 1382
1334 my $map = cf::map::new 1383 $self->{load_path} = $path;
1384
1385 1
1386}
1387
1388sub load_header_orig {
1389 my ($self) = @_;
1390
1391 $self->load_header_from ($self->load_path)
1392}
1393
1394sub load_header_temp {
1395 my ($self) = @_;
1396
1397 $self->load_header_from ($self->save_path)
1398}
1399
1400sub prepare_temp {
1401 my ($self) = @_;
1402
1403 $self->last_access ((delete $self->{last_access})
1404 || $cf::RUNTIME); #d#
1405 # safety
1406 $self->{instantiate_time} = $cf::RUNTIME
1407 if $self->{instantiate_time} > $cf::RUNTIME;
1408}
1409
1410sub prepare_orig {
1411 my ($self) = @_;
1412
1413 $self->{load_original} = 1;
1414 $self->{instantiate_time} = $cf::RUNTIME;
1415 $self->last_access ($cf::RUNTIME);
1416 $self->instantiate;
1417}
1418
1419sub load_header {
1420 my ($self) = @_;
1421
1422 if ($self->load_header_temp) {
1423 $self->prepare_temp;
1424 } else {
1425 $self->load_header_orig
1335 or return; 1426 or return;
1427 $self->prepare_orig;
1428 }
1336 1429
1337 # for better error messages only, will be overwritten 1430 $self->default_region (cf::region::find_by_path $self->{path})
1338 $map->path ($path); 1431 unless $self->default_region;
1339 1432
1340 $map->load_header ($path) 1433 1
1341 or return;
1342
1343 $map->{load_path} = $path;
1344
1345 $map
1346} 1434}
1347 1435
1348sub find; 1436sub find;
1349sub find { 1437sub find {
1350 my ($path, $origin) = @_; 1438 my ($path, $origin) = @_;
1351 1439
1352 #warn "find<$path,$origin>\n";#d#
1353
1354 $path = new cf::path $path, $origin && $origin->path; 1440 $path = normalise $path, $origin && $origin->path;
1355 my $key = $path->as_string;
1356 1441
1357 cf::lock_wait "map_find:$key"; 1442 cf::lock_wait "map_find:$path";
1358 1443
1359 $cf::MAP{$key} || do { 1444 $cf::MAP{$path} || do {
1360 my $guard = cf::lock_acquire "map_find:$key"; 1445 my $guard = cf::lock_acquire "map_find:$path";
1361 1446 my $map = new_from_path cf::map $path
1362 # do it the slow way
1363 my $map = try_load_header $path->save_path;
1364
1365 Coro::cede;
1366
1367 if ($map) {
1368 $map->last_access ((delete $map->{last_access})
1369 || $cf::RUNTIME); #d#
1370 # safety
1371 $map->{instantiate_time} = $cf::RUNTIME
1372 if $map->{instantiate_time} > $cf::RUNTIME;
1373 } else {
1374 if (my $rmp = $path->random_map_params) {
1375 $map = generate_random_map $key, $rmp;
1376 } else {
1377 $map = try_load_header $path->load_path;
1378 }
1379
1380 $map or return; 1447 or return;
1381 1448
1382 $map->{load_original} = 1;
1383 $map->{instantiate_time} = $cf::RUNTIME;
1384 $map->last_access ($cf::RUNTIME);
1385 $map->instantiate;
1386
1387 # per-player maps become, after loading, normal maps
1388 $map->per_player (0) if $path->{user_rel};
1389 }
1390
1391 $map->path ($key);
1392 $map->{path} = $path;
1393 $map->{last_save} = $cf::RUNTIME; 1449 $map->{last_save} = $cf::RUNTIME;
1394 1450
1395 Coro::cede; 1451 $map->load_header
1452 or return;
1396 1453
1397 if ($map->should_reset) { 1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1455 # doing this can freeze the server in a sync job, obviously
1456 #$cf::WAIT_FOR_TICK->wait;
1398 $map->reset; 1457 $map->reset;
1399 undef $guard; 1458 undef $guard;
1400 $map = find $path 1459 return find $path;
1401 or return;
1402 } 1460 }
1403 1461
1404 $cf::MAP{$key} = $map 1462 $cf::MAP{$path} = $map
1405 } 1463 }
1406} 1464}
1465
1466sub pre_load { }
1467sub post_load { }
1407 1468
1408sub load { 1469sub load {
1409 my ($self) = @_; 1470 my ($self) = @_;
1410 1471
1472 local $self->{deny_reset} = 1; # loading can take a long time
1473
1411 my $path = $self->{path}; 1474 my $path = $self->{path};
1412 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1475 my $guard = cf::lock_acquire "map_load:$path";
1413 1476
1414 return if $self->in_memory != cf::MAP_SWAPPED; 1477 return if $self->in_memory != cf::MAP_SWAPPED;
1415 1478
1416 $self->in_memory (cf::MAP_LOADING); 1479 $self->in_memory (cf::MAP_LOADING);
1417 1480
1418 $self->alloc; 1481 $self->alloc;
1482
1483 $self->pre_load;
1484 Coro::cede;
1485
1419 $self->load_objects ($self->{load_path}, 1) 1486 $self->_load_objects ($self->{load_path}, 1)
1420 or return; 1487 or return;
1421 1488
1422 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423 if delete $self->{load_original}; 1490 if delete $self->{load_original};
1424 1491
1425 if (my $uniq = $path->uniq_path) { 1492 if (my $uniq = $self->uniq_path) {
1426 utf8::encode $uniq; 1493 utf8::encode $uniq;
1427 if (aio_open $uniq, O_RDONLY, 0) { 1494 if (aio_open $uniq, O_RDONLY, 0) {
1428 $self->clear_unique_items; 1495 $self->clear_unique_items;
1429 $self->load_objects ($uniq, 0); 1496 $self->_load_objects ($uniq, 0);
1430 } 1497 }
1431 } 1498 }
1432 1499
1433 Coro::cede; 1500 Coro::cede;
1434
1435 # now do the right thing for maps 1501 # now do the right thing for maps
1436 $self->link_multipart_objects; 1502 $self->link_multipart_objects;
1503 Coro::cede;
1437 1504
1438 if ($self->{path}->is_style_map) { 1505 unless ($self->{deny_activate}) {
1439 $self->{deny_save} = 1; 1506 $self->decay_objects;
1440 $self->{deny_reset} = 1;
1441 } else {
1442 $self->fix_auto_apply; 1507 $self->fix_auto_apply;
1443 $self->decay_objects;
1444 $self->update_buttons; 1508 $self->update_buttons;
1509 Coro::cede;
1445 $self->set_darkness_map; 1510 $self->set_darkness_map;
1446 $self->difficulty ($self->estimate_difficulty) 1511 $self->difficulty ($self->estimate_difficulty)
1447 unless $self->difficulty; 1512 unless $self->difficulty;
1513 Coro::cede;
1448 $self->activate; 1514 $self->activate;
1515 Coro::cede;
1449 } 1516 }
1450 1517
1518 $self->post_load;
1451 Coro::cede; 1519 Coro::cede;
1452 1520
1453 $self->in_memory (cf::MAP_IN_MEMORY); 1521 $self->in_memory (cf::MAP_IN_MEMORY);
1522}
1523
1524sub customise_for {
1525 my ($self, $ob) = @_;
1526
1527 return find "~" . $ob->name . "/" . $self->{path}
1528 if $self->per_player;
1529
1530 $self
1531}
1532
1533# find and load all maps in the 3x3 area around a map
1534sub load_diag {
1535 my ($map) = @_;
1536
1537 my @diag; # diagonal neighbours
1538
1539 for (0 .. 3) {
1540 my $neigh = $map->tile_path ($_)
1541 or next;
1542 $neigh = find $neigh, $map
1543 or next;
1544 $neigh->load;
1545
1546 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1548 }
1549
1550 for (@diag) {
1551 my $neigh = find @$_
1552 or next;
1553 $neigh->load;
1554 }
1454} 1555}
1455 1556
1456sub find_sync { 1557sub find_sync {
1457 my ($path, $origin) = @_; 1558 my ($path, $origin) = @_;
1458 1559
1459 cf::sync_job { cf::map::find $path, $origin } 1560 cf::sync_job { find $path, $origin }
1460} 1561}
1461 1562
1462sub do_load_sync { 1563sub do_load_sync {
1463 my ($map) = @_; 1564 my ($map) = @_;
1464 1565
1465 cf::sync_job { $map->load }; 1566 cf::sync_job { $map->load };
1466} 1567}
1467 1568
1569our %MAP_PREFETCH;
1570our $MAP_PREFETCHER = undef;
1571
1572sub find_async {
1573 my ($path, $origin) = @_;
1574
1575 $path = normalise $path, $origin && $origin->{path};
1576
1577 if (my $map = $cf::MAP{$path}) {
1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1579 }
1580
1581 undef $MAP_PREFETCH{$path};
1582 $MAP_PREFETCHER ||= cf::async {
1583 while (%MAP_PREFETCH) {
1584 for my $path (keys %MAP_PREFETCH) {
1585 my $map = find $path
1586 or next;
1587 $map->load;
1588
1589 delete $MAP_PREFETCH{$path};
1590 }
1591 }
1592 undef $MAP_PREFETCHER;
1593 };
1594 $MAP_PREFETCHER->prio (6);
1595
1596 ()
1597}
1598
1468sub save { 1599sub save {
1469 my ($self) = @_; 1600 my ($self) = @_;
1470 1601
1471 my $lock = cf::lock_acquire "map_data:" . $self->path; 1602 my $lock = cf::lock_acquire "map_data:" . $self->path;
1472 1603
1473 $self->{last_save} = $cf::RUNTIME; 1604 $self->{last_save} = $cf::RUNTIME;
1474 1605
1475 return unless $self->dirty; 1606 return unless $self->dirty;
1476 1607
1477 my $save = $self->{path}->save_path; utf8::encode $save; 1608 my $save = $self->save_path; utf8::encode $save;
1478 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1609 my $uniq = $self->uniq_path; utf8::encode $uniq;
1479 1610
1480 $self->{load_path} = $save; 1611 $self->{load_path} = $save;
1481 1612
1482 return if $self->{deny_save}; 1613 return if $self->{deny_save};
1483 1614
1486 cf::async { 1617 cf::async {
1487 $_->contr->save for $self->players; 1618 $_->contr->save for $self->players;
1488 }; 1619 };
1489 1620
1490 if ($uniq) { 1621 if ($uniq) {
1491 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1622 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492 $self->save_objects ($uniq, cf::IO_UNIQUES); 1623 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1493 } else { 1624 } else {
1494 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1625 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495 } 1626 }
1496} 1627}
1497 1628
1498sub swap_out { 1629sub swap_out {
1499 my ($self) = @_; 1630 my ($self) = @_;
1513 1644
1514sub reset_at { 1645sub reset_at {
1515 my ($self) = @_; 1646 my ($self) = @_;
1516 1647
1517 # TODO: safety, remove and allow resettable per-player maps 1648 # TODO: safety, remove and allow resettable per-player maps
1518 return 1e99 if $self->{path}{user_rel}; 1649 return 1e99 if $self->isa ("ext::map_per_player");#d#
1519 return 1e99 if $self->{deny_reset}; 1650 return 1e99 if $self->{deny_reset};
1520 1651
1521 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523 1654
1528 my ($self) = @_; 1659 my ($self) = @_;
1529 1660
1530 $self->reset_at <= $cf::RUNTIME 1661 $self->reset_at <= $cf::RUNTIME
1531} 1662}
1532 1663
1533sub unlink_save {
1534 my ($self) = @_;
1535
1536 utf8::encode (my $save = $self->{path}->save_path);
1537 aioreq_pri 3; IO::AIO::aio_unlink $save;
1538 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539}
1540
1541sub rename {
1542 my ($self, $new_path) = @_;
1543
1544 $self->unlink_save;
1545
1546 delete $cf::MAP{$self->path};
1547 $self->{path} = new cf::path $new_path;
1548 $self->path ($self->{path}->as_string);
1549 $cf::MAP{$self->path} = $self;
1550
1551 $self->save;
1552}
1553
1554sub reset { 1664sub reset {
1555 my ($self) = @_; 1665 my ($self) = @_;
1556 1666
1557 my $lock = cf::lock_acquire "map_data:" . $self->path; 1667 my $lock = cf::lock_acquire "map_data:$self->{path}";
1558 1668
1559 return if $self->players; 1669 return if $self->players;
1560 return if $self->{path}{user_rel};#d# 1670 return if $self->isa ("ext::map_per_player");#d#
1561 1671
1562 warn "resetting map ", $self->path;#d# 1672 warn "resetting map ", $self->path;#d#
1563 1673
1674 $self->in_memory (cf::MAP_SWAPPED);
1675
1676 # need to save uniques path
1677 unless ($self->{deny_save}) {
1678 my $uniq = $self->uniq_path; utf8::encode $uniq;
1679
1680 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1681 if $uniq;
1682 }
1683
1564 delete $cf::MAP{$self->path}; 1684 delete $cf::MAP{$self->path};
1685
1686 $self->clear;
1565 1687
1566 $_->clear_links_to ($self) for values %cf::MAP; 1688 $_->clear_links_to ($self) for values %cf::MAP;
1567 1689
1568 $self->unlink_save; 1690 $self->unlink_save;
1569 $self->destroy; 1691 $self->destroy;
1572my $nuke_counter = "aaaa"; 1694my $nuke_counter = "aaaa";
1573 1695
1574sub nuke { 1696sub nuke {
1575 my ($self) = @_; 1697 my ($self) = @_;
1576 1698
1699 delete $cf::MAP{$self->path};
1700
1701 $self->unlink_save;
1702
1703 bless $self, "cf::map";
1704 delete $self->{deny_reset};
1577 $self->{deny_save} = 1; 1705 $self->{deny_save} = 1;
1578 $self->reset_timeout (1); 1706 $self->reset_timeout (1);
1579 $self->rename ("{nuke}/" . ($nuke_counter++)); 1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708
1709 $cf::MAP{$self->path} = $self;
1710
1580 $self->reset; # polite request, might not happen 1711 $self->reset; # polite request, might not happen
1581} 1712}
1582 1713
1583sub customise_for { 1714=item cf::map::unique_maps
1584 my ($map, $ob) = @_;
1585 1715
1586 if ($map->per_player) { 1716Returns an arrayref of paths of all shared maps that have
1587 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1717instantiated unique items. May block.
1588 }
1589 1718
1590 $map 1719=cut
1591}
1592 1720
1593sub emergency_save { 1721sub unique_maps() {
1594 my $freeze_guard = cf::freeze_mainloop; 1722 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1723 or return;
1595 1724
1596 warn "enter emergency perl save\n"; 1725 my @paths;
1597 1726
1598 cf::sync_job { 1727 for (@$files) {
1599 warn "begin emergency player save\n"; 1728 utf8::decode $_;
1600 $_->save for values %cf::PLAYER; 1729 next if /\.pst$/;
1601 warn "end emergency player save\n"; 1730 next unless /^$PATH_SEP/o;
1602 1731
1603 warn "begin emergency map save\n"; 1732 push @paths, cf::map::normalise $_;
1604 $_->save for values %cf::MAP;
1605 warn "end emergency map save\n";
1606 }; 1733 }
1607 1734
1608 warn "leave emergency perl save\n"; 1735 \@paths
1609} 1736}
1610 1737
1611package cf; 1738package cf;
1612 1739
1613=back 1740=back
1614 1741
1742=head3 cf::object
1743
1744=cut
1745
1746package cf::object;
1747
1748=over 4
1749
1750=item $ob->inv_recursive
1751
1752Returns the inventory of the object _and_ their inventories, recursively.
1753
1754=cut
1755
1756sub inv_recursive_;
1757sub inv_recursive_ {
1758 map { $_, inv_recursive_ $_->inv } @_
1759}
1760
1761sub inv_recursive {
1762 inv_recursive_ inv $_[0]
1763}
1764
1765package cf;
1766
1767=back
1615 1768
1616=head3 cf::object::player 1769=head3 cf::object::player
1617 1770
1618=over 4 1771=over 4
1619 1772
1659 1812
1660=item $player_object->enter_link 1813=item $player_object->enter_link
1661 1814
1662Freezes the player and moves him/her to a special map (C<{link}>). 1815Freezes the player and moves him/her to a special map (C<{link}>).
1663 1816
1664The player should be reaosnably safe there for short amounts of time. You 1817The player should be reasonably safe there for short amounts of time. You
1665I<MUST> call C<leave_link> as soon as possible, though. 1818I<MUST> call C<leave_link> as soon as possible, though.
1666 1819
1820Will never block.
1821
1667=item $player_object->leave_link ($map, $x, $y) 1822=item $player_object->leave_link ($map, $x, $y)
1668 1823
1669Moves the player out of the specila link map onto the given map. If the 1824Moves the player out of the special C<{link}> map onto the specified
1670map is not valid (or omitted), the player will be moved back to the 1825map. If the map is not valid (or omitted), the player will be moved back
1671location he/she was before the call to C<enter_link>, or, if that fails, 1826to the location he/she was before the call to C<enter_link>, or, if that
1672to the emergency map position. 1827fails, to the emergency map position.
1673 1828
1674Might block. 1829Might block.
1675 1830
1676=cut 1831=cut
1832
1833sub link_map {
1834 unless ($LINK_MAP) {
1835 $LINK_MAP = cf::map::find "{link}"
1836 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1837 $LINK_MAP->load;
1838 }
1839
1840 $LINK_MAP
1841}
1677 1842
1678sub cf::object::player::enter_link { 1843sub cf::object::player::enter_link {
1679 my ($self) = @_; 1844 my ($self) = @_;
1680 1845
1681 $self->deactivate_recursive; 1846 $self->deactivate_recursive;
1682 1847
1683 return if $self->map == $LINK_MAP; 1848 return if UNIVERSAL::isa $self->map, "ext::map_link";
1684 1849
1685 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686 if $self->map; 1851 if $self->map;
1687 1852
1688 $self->enter_map ($LINK_MAP, 20, 20); 1853 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1689} 1854}
1690 1855
1691sub cf::object::player::leave_link { 1856sub cf::object::player::leave_link {
1692 my ($self, $map, $x, $y) = @_; 1857 my ($self, $map, $x, $y) = @_;
1693 1858
1711 # use -1 or undef as default coordinates, not 0, 0 1876 # use -1 or undef as default coordinates, not 0, 0
1712 ($x, $y) = ($map->enter_x, $map->enter_y) 1877 ($x, $y) = ($map->enter_x, $map->enter_y)
1713 if $x <=0 && $y <= 0; 1878 if $x <=0 && $y <= 0;
1714 1879
1715 $map->load; 1880 $map->load;
1881 $map->load_diag;
1716 1882
1717 return unless $self->contr->active; 1883 return unless $self->contr->active;
1718 $self->activate_recursive; 1884 $self->activate_recursive;
1885
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719 $self->enter_map ($map, $x, $y); 1887 $self->enter_map ($map, $x, $y);
1720} 1888}
1721 1889
1722cf::player->attach ( 1890cf::player->attach (
1723 on_logout => sub { 1891 on_logout => sub {
1736 # try to abort aborted map switching on player login :) 1904 # try to abort aborted map switching on player login :)
1737 # should happen only on crashes 1905 # should happen only on crashes
1738 if ($pl->ob->{_link_pos}) { 1906 if ($pl->ob->{_link_pos}) {
1739 $pl->ob->enter_link; 1907 $pl->ob->enter_link;
1740 (async { 1908 (async {
1741 # we need this sleep as the login has a concurrent enter_exit running
1742 # and this sleep increases chances of the player not ending up in scorn
1743 $pl->ob->reply (undef, 1909 $pl->ob->reply (undef,
1744 "There was an internal problem at your last logout, " 1910 "There was an internal problem at your last logout, "
1745 . "the server will try to bring you to your intended destination in a second.", 1911 . "the server will try to bring you to your intended destination in a second.",
1746 cf::NDI_RED); 1912 cf::NDI_RED);
1913 # we need this sleep as the login has a concurrent enter_exit running
1914 # and this sleep increases chances of the player not ending up in scorn
1747 Coro::Timer::sleep 1; 1915 Coro::Timer::sleep 1;
1748 $pl->ob->leave_link; 1916 $pl->ob->leave_link;
1749 })->prio (2); 1917 })->prio (2);
1750 } 1918 }
1751 }, 1919 },
1756=cut 1924=cut
1757 1925
1758sub cf::object::player::goto { 1926sub cf::object::player::goto {
1759 my ($self, $path, $x, $y) = @_; 1927 my ($self, $path, $x, $y) = @_;
1760 1928
1761 $path = new cf::path $path;
1762 $path ne "/" or Carp::cluck ("oy");#d#
1763
1764 $self->enter_link; 1929 $self->enter_link;
1765 1930
1766 (async { 1931 (async {
1932 my $map = eval {
1767 my $map = cf::map::find $path->as_string; 1933 my $map = cf::map::find $path;
1768 $map = $map->customise_for ($self) if $map; 1934 $map = $map->customise_for ($self) if $map;
1769 1935 $map
1770# warn "entering ", $map->path, " at ($x, $y)\n" 1936 } or
1771# if $map;
1772
1773 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774 1938
1775 $self->leave_link ($map, $x, $y); 1939 $self->leave_link ($map, $x, $y);
1776 })->prio (1); 1940 })->prio (1);
1777} 1941}
1778 1942
1782 1946
1783sub parse_random_map_params { 1947sub parse_random_map_params {
1784 my ($spec) = @_; 1948 my ($spec) = @_;
1785 1949
1786 my $rmp = { # defaults 1950 my $rmp = { # defaults
1787 xsize => 10, 1951 xsize => (cf::rndm 15, 40),
1788 ysize => 10, 1952 ysize => (cf::rndm 15, 40),
1953 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1954 #layout => string,
1789 }; 1955 };
1790 1956
1791 for (split /\n/, $spec) { 1957 for (split /\n/, $spec) {
1792 my ($k, $v) = split /\s+/, $_, 2; 1958 my ($k, $v) = split /\s+/, $_, 2;
1793 1959
1797 $rmp 1963 $rmp
1798} 1964}
1799 1965
1800sub prepare_random_map { 1966sub prepare_random_map {
1801 my ($exit) = @_; 1967 my ($exit) = @_;
1968
1969 my $guard = cf::lock_acquire "exit_prepare:$exit";
1802 1970
1803 # all this does is basically replace the /! path by 1971 # all this does is basically replace the /! path by
1804 # a new random map path (?random/...) with a seed 1972 # a new random map path (?random/...) with a seed
1805 # that depends on the exit object 1973 # that depends on the exit object
1806 1974
1807 my $rmp = parse_random_map_params $exit->msg; 1975 my $rmp = parse_random_map_params $exit->msg;
1808 1976
1809 if ($exit->map) { 1977 if ($exit->map) {
1810 $rmp->{region} = $exit->map->region_name; 1978 $rmp->{region} = $exit->region->name;
1811 $rmp->{origin_map} = $exit->map->path; 1979 $rmp->{origin_map} = $exit->map->path;
1812 $rmp->{origin_x} = $exit->x; 1980 $rmp->{origin_x} = $exit->x;
1813 $rmp->{origin_y} = $exit->y; 1981 $rmp->{origin_y} = $exit->y;
1814 } 1982 }
1815 1983
1816 $rmp->{random_seed} ||= $exit->random_seed; 1984 $rmp->{random_seed} ||= $exit->random_seed;
1817 1985
1818 my $data = cf::to_json $rmp; 1986 my $data = cf::to_json $rmp;
1819 my $md5 = Digest::MD5::md5_hex $data; 1987 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820 1989
1821 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822 aio_write $fh, 0, (length $data), $data, 0; 1991 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh;
1993 aio_rename "$meta~", $meta;
1823 1994
1824 $exit->slaying ("?random/$md5"); 1995 $exit->slaying ("?random/$md5");
1825 $exit->msg (undef); 1996 $exit->msg (undef);
1826 } 1997 }
1827} 1998}
1828 1999
1829sub cf::object::player::enter_exit { 2000sub cf::object::player::enter_exit {
1830 my ($self, $exit) = @_; 2001 my ($self, $exit) = @_;
1831 2002
1832 return unless $self->type == cf::PLAYER; 2003 return unless $self->type == cf::PLAYER;
2004
2005 if ($exit->slaying eq "/!") {
2006 #TODO: this should de-fi-ni-te-ly not be a sync-job
2007 # the problem is that $exit might not survive long enough
2008 # so it needs to be done right now, right here
2009 cf::sync_job { prepare_random_map $exit };
2010 }
2011
2012 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013 my $hp = $exit->stats->hp;
2014 my $sp = $exit->stats->sp;
1833 2015
1834 $self->enter_link; 2016 $self->enter_link;
1835 2017
1836 (async { 2018 (async {
1837 $self->deactivate_recursive; # just to be sure 2019 $self->deactivate_recursive; # just to be sure
1838 unless (eval { 2020 unless (eval {
1839 prepare_random_map $exit 2021 $self->goto ($slaying, $hp, $sp);
1840 if $exit->slaying eq "/!";
1841
1842 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844 2022
1845 1; 2023 1;
1846 }) { 2024 }) {
1847 $self->message ("Something went wrong deep within the crossfire server. " 2025 $self->message ("Something went wrong deep within the crossfire server. "
1848 . "I'll try to bring you back to the map you were before. " 2026 . "I'll try to bring you back to the map you were before. "
1849 . "Please report this to the dungeon master", 2027 . "Please report this to the dungeon master!",
1850 cf::NDI_UNIQUE | cf::NDI_RED); 2028 cf::NDI_UNIQUE | cf::NDI_RED);
1851 2029
1852 warn "ERROR in enter_exit: $@"; 2030 warn "ERROR in enter_exit: $@";
1853 $self->leave_link; 2031 $self->leave_link;
1854 } 2032 }
1855 })->prio (1); 2033 })->prio (1);
1868 2046
1869sub cf::client::send_drawinfo { 2047sub cf::client::send_drawinfo {
1870 my ($self, $text, $flags) = @_; 2048 my ($self, $text, $flags) = @_;
1871 2049
1872 utf8::encode $text; 2050 utf8::encode $text;
1873 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874} 2052}
1875 2053
2054=item $client->ext_event ($type, %msg)
2055
2056Sends an exti event to the client.
2057
2058=cut
2059
2060sub cf::client::ext_event($$%) {
2061 my ($self, $type, %msg) = @_;
2062
2063 $msg{msgtype} = "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg);
2065}
1876 2066
1877=item $success = $client->query ($flags, "text", \&cb) 2067=item $success = $client->query ($flags, "text", \&cb)
1878 2068
1879Queues a query to the client, calling the given callback with 2069Queues a query to the client, calling the given callback with
1880the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1909 # get handled first 2099 # get handled first
1910 my $queue = delete $ns->{query_queue} 2100 my $queue = delete $ns->{query_queue}
1911 or return; # be conservative, not sure how that can happen, but we saw a crash here 2101 or return; # be conservative, not sure how that can happen, but we saw a crash here
1912 2102
1913 (shift @$queue)->[1]->($msg); 2103 (shift @$queue)->[1]->($msg);
2104 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914 2105
1915 push @{ $ns->{query_queue} }, @$queue; 2106 push @{ $ns->{query_queue} }, @$queue;
1916 2107
1917 if (@{ $ns->{query_queue} } == @$queue) { 2108 if (@{ $ns->{query_queue} } == @$queue) {
1918 if (@$queue) { 2109 if (@$queue) {
1976 2167
1977# here we export the classes and methods available to script code 2168# here we export the classes and methods available to script code
1978 2169
1979=pod 2170=pod
1980 2171
1981The following fucntions and emthods are available within a safe environment: 2172The following functions and methods are available within a safe environment:
1982 2173
1983 cf::object contr pay_amount pay_player map 2174 cf::object contr pay_amount pay_player map
1984 cf::object::player player 2175 cf::object::player player
1985 cf::player peaceful 2176 cf::player peaceful
1986 cf::map trigger 2177 cf::map trigger
2079The parameter C<$family> should best start with the name of the extension 2270The parameter C<$family> should best start with the name of the extension
2080using it, it should be unique. 2271using it, it should be unique.
2081 2272
2082=over 4 2273=over 4
2083 2274
2084=item $hashref = cf::db_get $family
2085
2086Return a hashref for use by the extension C<$family>, which can be
2087modified. After modifications, you have to call C<cf::db_dirty> or
2088C<cf::db_sync>.
2089
2090=item $value = cf::db_get $family => $key 2275=item $value = cf::db_get $family => $key
2091 2276
2092Returns a single value from the database 2277Returns a single value from the database.
2093
2094=item cf::db_put $family => $hashref
2095
2096Stores the given family hashref into the database. Updates are delayed, if
2097you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098 2278
2099=item cf::db_put $family => $key => $value 2279=item cf::db_put $family => $key => $value
2100 2280
2101Stores the given C<$value> in the family hash. Updates are delayed, if you 2281Stores the given C<$value> in the family.
2102want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104=item cf::db_dirty
2105
2106Marks the database as dirty, to be updated at a later time.
2107
2108=item cf::db_sync
2109
2110Immediately write the database to disk I<if it is dirty>.
2111 2282
2112=cut 2283=cut
2113 2284
2114our $DB; 2285our $DB;
2115 2286
2116{ 2287sub db_init {
2288 unless ($DB) {
2289 $DB = BDB::db_create $DB_ENV;
2290
2291 cf::sync_job {
2292 eval {
2293 $DB->set_flags (BDB::CHKSUM);
2294
2295 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297 cf::cleanup "db_open(db): $!" if $!;
2298 };
2299 cf::cleanup "db_open(db): $@" if $@;
2300 };
2301
2117 my $path = cf::localdir . "/database.pst"; 2302 my $path = cf::localdir . "/database.pst";
2303 if (stat $path) {
2304 cf::sync_job {
2305 my $pst = Storable::retrieve $path;
2118 2306
2119 sub db_load() { 2307 cf::db_put (board => data => $pst->{board});
2120 $DB = stat $path ? Storable::retrieve $path : { }; 2308 cf::db_put (guildrules => data => $pst->{guildrules});
2121 } 2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
2122 2311
2123 my $pid; 2312 unlink $path;
2124
2125 sub db_save() {
2126 waitpid $pid, 0 if $pid;
2127 if (0 == ($pid = fork)) {
2128 $DB->{_meta}{version} = 1;
2129 Storable::nstore $DB, "$path~";
2130 rename "$path~", $path;
2131 cf::_exit 0 if defined $pid;
2132 } 2313 };
2133 }
2134
2135 my $dirty;
2136
2137 sub db_sync() {
2138 db_save if $dirty;
2139 undef $dirty;
2140 }
2141
2142 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143 db_sync;
2144 });
2145
2146 sub db_dirty() {
2147 $dirty = 1;
2148 $idle->start;
2149 }
2150
2151 sub db_get($;$) {
2152 @_ >= 2
2153 ? $DB->{$_[0]}{$_[1]}
2154 : ($DB->{$_[0]} ||= { })
2155 }
2156
2157 sub db_put($$;$) {
2158 if (@_ >= 3) {
2159 $DB->{$_[0]}{$_[1]} = $_[2];
2160 } else {
2161 $DB->{$_[0]} = $_[1];
2162 }
2163 db_dirty;
2164 }
2165
2166 cf::global->attach (
2167 prio => 10000,
2168 on_cleanup => sub {
2169 db_sync;
2170 }, 2314 }
2171 ); 2315 }
2316}
2317
2318sub db_get($$) {
2319 my $key = "$_[0]/$_[1]";
2320
2321 cf::sync_job {
2322 BDB::db_get $DB, undef, $key, my $data;
2323
2324 $! ? ()
2325 : Compress::LZF::sthaw $data
2326 }
2327}
2328
2329sub db_put($$$) {
2330 BDB::dbreq_pri 4;
2331 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332}
2333
2334=item cf::cache $id => ...
2335
2336Generic caching function that returns the value of the resource $id,
2337caching and regenerating as required.
2338
2339This function can block.
2340
2341 source => filename returning the data (must be a scalar)
2342 expensive => true == try to cache harder
2343 filter => sub that processes the data into a scalar
2344
2345=cut
2346
2347sub cache {
2348 my ($id, %arg) = @_;
2349
2350 aio_stat $arg{source}
2351 and Carp::croak "$arg{source}: $!";
2352
2353 my $meta = join ":", (stat _)[7,9];
2354 my $md5;
2355
2356 if ($arg{expensive}) {
2357 0 <= aio_load $arg{source}, my $buf
2358 or Carp::croak "$arg{source}: $!";
2359
2360 $md5 = Digest::MD5::md5_hex $buf;
2361 }
2362
2363 my $dbmeta = db_get "$id/meta";
2364 if ($dbmeta ne $meta) {
2365 # changed, we need to process
2366 } else {
2367 # just fetch
2368 }
2369
2370
2172} 2371}
2173 2372
2174############################################################################# 2373#############################################################################
2175# the server's main() 2374# the server's init and main functions
2375
2376sub load_facedata($) {
2377 my ($path) = @_;
2378
2379 warn "loading facedata from $path\n";
2380
2381 my $facedata;
2382 0 < aio_load $path, $facedata
2383 or die "$path: $!";
2384
2385 $facedata = Coro::Storable::thaw $facedata;
2386
2387 $facedata->{version} == 2
2388 or cf::cleanup "$path: version mismatch, cannot proceed.";
2389
2390 {
2391 my $faces = $facedata->{faceinfo};
2392
2393 while (my ($face, $info) = each %$faces) {
2394 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2395 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2396 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2397 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2398 Coro::cede;
2399 }
2400
2401 while (my ($face, $info) = each %$faces) {
2402 next unless $info->{smooth};
2403 my $idx = cf::face::find $face
2404 or next;
2405 if (my $smooth = cf::face::find $info->{smooth}) {
2406 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2407 } else {
2408 warn "smooth face '$info->{smooth}' not found for face '$face'";
2409 }
2410 Coro::cede;
2411 }
2412 }
2413
2414 {
2415 my $anims = $facedata->{animinfo};
2416
2417 while (my ($anim, $info) = each %$anims) {
2418 cf::anim::set $anim, $info->{frames}, $info->{facings};
2419 Coro::cede;
2420 }
2421
2422 cf::anim::invalidate_all; # d'oh
2423 }
2424
2425 1
2426}
2427
2428sub reload_facedata {
2429 load_facedata sprintf "%s/facedata", cf::datadir
2430 or die "unable to load facedata\n";
2431}
2432
2433sub reload_regions {
2434 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2435 or die "unable to load regions file\n";
2436}
2437
2438sub reload_archetypes {
2439 load_resource_file sprintf "%s/archetypes", cf::datadir
2440 or die "unable to load archetypes\n";
2441}
2442
2443sub reload_treasures {
2444 load_resource_file sprintf "%s/treasures", cf::datadir
2445 or die "unable to load treasurelists\n";
2446}
2447
2448sub reload_resources {
2449 warn "reloading resource files...\n";
2450
2451 reload_regions;
2452 reload_facedata;
2453 reload_archetypes;
2454 reload_treasures;
2455
2456 warn "finished reloading resource files\n";
2457}
2458
2459sub init {
2460 reload_resources;
2461}
2176 2462
2177sub cfg_load { 2463sub cfg_load {
2178 open my $fh, "<:utf8", cf::confdir . "/config" 2464 open my $fh, "<:utf8", cf::confdir . "/config"
2179 or return; 2465 or return;
2180 2466
2197 2483
2198sub main { 2484sub main {
2199 # we must not ever block the main coroutine 2485 # we must not ever block the main coroutine
2200 local $Coro::idle = sub { 2486 local $Coro::idle = sub {
2201 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2487 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2488 (async {
2202 async { Event::one_event }; 2489 Event::one_event;
2490 })->prio (Coro::PRIO_MAX);
2203 }; 2491 };
2204 2492
2205 cfg_load; 2493 cfg_load;
2206 db_load; 2494 db_init;
2207 load_extensions; 2495 load_extensions;
2496
2497 $TICK_WATCHER->start;
2208 Event::loop; 2498 Event::loop;
2209} 2499}
2210 2500
2211############################################################################# 2501#############################################################################
2212# initialisation 2502# initialisation and cleanup
2213 2503
2504# install some emergency cleanup handlers
2505BEGIN {
2506 for my $signal (qw(INT HUP TERM)) {
2507 Event->signal (
2508 reentrant => 0,
2509 data => WF_AUTOCANCEL,
2510 signal => $signal,
2511 prio => 0,
2512 cb => sub {
2513 cf::cleanup "SIG$signal";
2514 },
2515 );
2516 }
2517}
2518
2519sub emergency_save() {
2520 my $freeze_guard = cf::freeze_mainloop;
2521
2522 warn "enter emergency perl save\n";
2523
2524 cf::sync_job {
2525 # use a peculiar iteration method to avoid tripping on perl
2526 # refcount bugs in for. also avoids problems with players
2527 # and maps saved/destroyed asynchronously.
2528 warn "begin emergency player save\n";
2529 for my $login (keys %cf::PLAYER) {
2530 my $pl = $cf::PLAYER{$login} or next;
2531 $pl->valid or next;
2532 $pl->save;
2533 }
2534 warn "end emergency player save\n";
2535
2536 warn "begin emergency map save\n";
2537 for my $path (keys %cf::MAP) {
2538 my $map = $cf::MAP{$path} or next;
2539 $map->valid or next;
2540 $map->save;
2541 }
2542 warn "end emergency map save\n";
2543
2544 warn "begin emergency database checkpoint\n";
2545 BDB::db_env_txn_checkpoint $DB_ENV;
2546 warn "end emergency database checkpoint\n";
2547 };
2548
2549 warn "leave emergency perl save\n";
2550}
2551
2552sub post_cleanup {
2553 my ($make_core) = @_;
2554
2555 warn Carp::longmess "post_cleanup backtrace"
2556 if $make_core;
2557}
2558
2214sub reload() { 2559sub do_reload_perl() {
2215 # can/must only be called in main 2560 # can/must only be called in main
2216 if ($Coro::current != $Coro::main) { 2561 if ($Coro::current != $Coro::main) {
2217 warn "can only reload from main coroutine\n"; 2562 warn "can only reload from main coroutine";
2218 return; 2563 return;
2219 } 2564 }
2220 2565
2221 warn "reloading..."; 2566 warn "reloading...";
2222 2567
2223 my $guard = freeze_mainloop; 2568 warn "entering sync_job";
2569
2570 cf::sync_job {
2571 cf::write_runtime; # external watchdog should not bark
2224 cf::emergency_save; 2572 cf::emergency_save;
2573 cf::write_runtime; # external watchdog should not bark
2225 2574
2226 eval { 2575 warn "syncing database to disk";
2576 BDB::db_env_txn_checkpoint $DB_ENV;
2577
2227 # if anything goes wrong in here, we should simply crash as we already saved 2578 # if anything goes wrong in here, we should simply crash as we already saved
2228 2579
2229 # cancel all watchers 2580 warn "cancelling all WF_AUTOCANCEL watchers";
2230 for (Event::all_watchers) { 2581 for (Event::all_watchers) {
2231 $_->cancel if $_->data & WF_AUTOCANCEL; 2582 $_->cancel if $_->data & WF_AUTOCANCEL;
2232 } 2583 }
2233 2584
2585 warn "flushing outstanding aio requests";
2586 for (;;) {
2587 BDB::flush;
2588 IO::AIO::flush;
2589 Coro::cede;
2590 last unless IO::AIO::nreqs || BDB::nreqs;
2591 warn "iterate...";
2592 }
2593
2594 ++$RELOAD;
2595
2234 # cancel all extension coros 2596 warn "cancelling all extension coros";
2235 $_->cancel for values %EXT_CORO; 2597 $_->cancel for values %EXT_CORO;
2236 %EXT_CORO = (); 2598 %EXT_CORO = ();
2237 2599
2238 # unload all extensions 2600 warn "removing commands";
2239 for (@exts) { 2601 %COMMAND = ();
2602
2603 warn "removing ext commands";
2604 %EXTCMD = ();
2605
2606 warn "unloading/nuking all extensions";
2607 for my $pkg (@EXTS) {
2240 warn "unloading <$_>"; 2608 warn "... unloading $pkg";
2241 unload_extension $_; 2609
2610 if (my $cb = $pkg->can ("unload")) {
2611 eval {
2612 $cb->($pkg);
2613 1
2614 } or warn "$pkg unloaded, but with errors: $@";
2242 } 2615 }
2243 2616
2617 warn "... nuking $pkg";
2618 Symbol::delete_package $pkg;
2619 }
2620
2244 # unload all modules loaded from $LIBDIR 2621 warn "unloading all perl modules loaded from $LIBDIR";
2245 while (my ($k, $v) = each %INC) { 2622 while (my ($k, $v) = each %INC) {
2246 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2623 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247 2624
2248 warn "removing <$k>"; 2625 warn "... unloading $k";
2249 delete $INC{$k}; 2626 delete $INC{$k};
2250 2627
2251 $k =~ s/\.pm$//; 2628 $k =~ s/\.pm$//;
2252 $k =~ s/\//::/g; 2629 $k =~ s/\//::/g;
2253 2630
2256 } 2633 }
2257 2634
2258 Symbol::delete_package $k; 2635 Symbol::delete_package $k;
2259 } 2636 }
2260 2637
2261 # sync database to disk
2262 cf::db_sync;
2263 IO::AIO::flush;
2264
2265 # get rid of safe::, as good as possible 2638 warn "getting rid of safe::, as good as possible";
2266 Symbol::delete_package "safe::$_" 2639 Symbol::delete_package "safe::$_"
2267 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2640 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268 2641
2269 # remove register_script_function callbacks
2270 # TODO
2271
2272 # unload cf.pm "a bit" 2642 warn "unloading cf.pm \"a bit\"";
2273 delete $INC{"cf.pm"}; 2643 delete $INC{"cf.pm"};
2274 2644
2275 # don't, removes xs symbols, too, 2645 # don't, removes xs symbols, too,
2276 # and global variables created in xs 2646 # and global variables created in xs
2277 #Symbol::delete_package __PACKAGE__; 2647 #Symbol::delete_package __PACKAGE__;
2278 2648
2279 # reload cf.pm 2649 warn "unload completed, starting to reload now";
2650
2280 warn "reloading cf.pm"; 2651 warn "reloading cf.pm";
2281 require cf; 2652 require cf;
2282 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2653 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283 2654
2284 # load config and database again 2655 warn "loading config and database again";
2285 cf::cfg_load; 2656 cf::cfg_load;
2286 cf::db_load;
2287 2657
2288 # load extensions
2289 warn "load extensions"; 2658 warn "loading extensions";
2290 cf::load_extensions; 2659 cf::load_extensions;
2291 2660
2292 # reattach attachments to objects 2661 warn "reattaching attachments to objects/players";
2293 warn "reattach"; 2662 _global_reattach; # objects, sockets
2294 _global_reattach; 2663 warn "reattaching attachments to maps";
2295 reattach $_ for values %MAP; 2664 reattach $_ for values %MAP;
2296 }; 2665 warn "reattaching attachments to players";
2666 reattach $_ for values %PLAYER;
2297 2667
2298 if ($@) { 2668 warn "leaving sync_job";
2669
2670 1
2671 } or do {
2299 warn $@; 2672 warn $@;
2300 warn "error while reloading, exiting."; 2673 warn "error while reloading, exiting.";
2301 exit 1; 2674 exit 1;
2302 } 2675 };
2303 2676
2304 warn "reloaded successfully"; 2677 warn "reloaded";
2305}; 2678};
2306 2679
2307############################################################################# 2680our $RELOAD_WATCHER; # used only during reload
2308 2681
2309unless ($LINK_MAP) { 2682sub reload_perl() {
2310 $LINK_MAP = cf::map::new; 2683 # doing reload synchronously and two reloads happen back-to-back,
2684 # coro crashes during coro_state_free->destroy here.
2311 2685
2312 $LINK_MAP->width (41); 2686 $RELOAD_WATCHER ||= Event->timer (
2313 $LINK_MAP->height (41); 2687 reentrant => 0,
2314 $LINK_MAP->alloc;
2315 $LINK_MAP->path ("{link}");
2316 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319 # dirty hack because... archetypes are not yet loaded
2320 Event->timer (
2321 after => 10, 2688 after => 0,
2689 data => WF_AUTOCANCEL,
2322 cb => sub { 2690 cb => sub {
2323 $_[0]->w->cancel; 2691 do_reload_perl;
2324 2692 undef $RELOAD_WATCHER;
2325 # provide some exits "home"
2326 my $exit = cf::object::new "exit";
2327
2328 $exit->slaying ($EMERGENCY_POSITION->[0]);
2329 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332 $LINK_MAP->insert ($exit->clone, 19, 19);
2333 $LINK_MAP->insert ($exit->clone, 19, 20);
2334 $LINK_MAP->insert ($exit->clone, 19, 21);
2335 $LINK_MAP->insert ($exit->clone, 20, 19);
2336 $LINK_MAP->insert ($exit->clone, 20, 21);
2337 $LINK_MAP->insert ($exit->clone, 21, 19);
2338 $LINK_MAP->insert ($exit->clone, 21, 20);
2339 $LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341 $exit->destroy;
2342 }); 2693 },
2343 2694 );
2344 $LINK_MAP->{deny_save} = 1;
2345 $LINK_MAP->{deny_reset} = 1;
2346
2347 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348} 2695}
2349
2350register "<global>", __PACKAGE__;
2351 2696
2352register_command "reload" => sub { 2697register_command "reload" => sub {
2353 my ($who, $arg) = @_; 2698 my ($who, $arg) = @_;
2354 2699
2355 if ($who->flag (FLAG_WIZ)) { 2700 if ($who->flag (FLAG_WIZ)) {
2356 $who->message ("start of reload.");
2357 reload;
2358 $who->message ("end of reload."); 2701 $who->message ("reloading server.");
2702 async { reload_perl };
2359 } 2703 }
2360}; 2704};
2361 2705
2362unshift @INC, $LIBDIR; 2706unshift @INC, $LIBDIR;
2707
2708my $bug_warning = 0;
2709
2710our @WAIT_FOR_TICK;
2711our @WAIT_FOR_TICK_BEGIN;
2712
2713sub wait_for_tick {
2714 return unless $TICK_WATCHER->is_active;
2715 return if $Coro::current == $Coro::main;
2716
2717 my $signal = new Coro::Signal;
2718 push @WAIT_FOR_TICK, $signal;
2719 $signal->wait;
2720}
2721
2722sub wait_for_tick_begin {
2723 return unless $TICK_WATCHER->is_active;
2724 return if $Coro::current == $Coro::main;
2725
2726 my $signal = new Coro::Signal;
2727 push @WAIT_FOR_TICK_BEGIN, $signal;
2728 $signal->wait;
2729}
2363 2730
2364$TICK_WATCHER = Event->timer ( 2731$TICK_WATCHER = Event->timer (
2365 reentrant => 0, 2732 reentrant => 0,
2733 parked => 1,
2366 prio => 0, 2734 prio => 0,
2367 at => $NEXT_TICK || $TICK, 2735 at => $NEXT_TICK || $TICK,
2368 data => WF_AUTOCANCEL, 2736 data => WF_AUTOCANCEL,
2369 cb => sub { 2737 cb => sub {
2738 if ($Coro::current != $Coro::main) {
2739 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2740 unless ++$bug_warning > 10;
2741 return;
2742 }
2743
2744 $NOW = Event::time;
2745
2370 cf::server_tick; # one server iteration 2746 cf::server_tick; # one server iteration
2747
2371 $RUNTIME += $TICK; 2748 $RUNTIME += $TICK;
2372 $NEXT_TICK += $TICK; 2749 $NEXT_TICK += $TICK;
2373 2750
2751 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2752 $NEXT_RUNTIME_WRITE = $NOW + 10;
2753 Coro::async_pool {
2754 write_runtime
2755 or warn "ERROR: unable to write runtime file: $!";
2756 };
2757 }
2758
2759# my $AFTER = Event::time;
2760# warn $AFTER - $NOW;#d#
2761
2374 # if we are delayed by four ticks or more, skip them all 2762 # if we are delayed by four ticks or more, skip them all
2375 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2763 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376 2764
2377 $TICK_WATCHER->at ($NEXT_TICK); 2765 $TICK_WATCHER->at ($NEXT_TICK);
2378 $TICK_WATCHER->start; 2766 $TICK_WATCHER->start;
2767
2768 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2769 $sig->send;
2770 }
2771 while (my $sig = shift @WAIT_FOR_TICK) {
2772 $sig->send;
2773 }
2774
2775 _post_tick;
2379 }, 2776 },
2380); 2777);
2381 2778
2779{
2382IO::AIO::max_poll_time $TICK * 0.2; 2780 BDB::max_poll_time $TICK * 0.1;
2383 2781 $BDB_POLL_WATCHER = Event->io (
2384Event->io ( 2782 reentrant => 0,
2385 fd => IO::AIO::poll_fileno, 2783 fd => BDB::poll_fileno,
2386 poll => 'r', 2784 poll => 'r',
2387 prio => 5, 2785 prio => 0,
2388 data => WF_AUTOCANCEL,
2389 cb => \&IO::AIO::poll_cb,
2390);
2391
2392Event->timer (
2393 data => WF_AUTOCANCEL, 2786 data => WF_AUTOCANCEL,
2394 after => 0, 2787 cb => \&BDB::poll_cb,
2395 interval => 10, 2788 );
2396 cb => sub { 2789 BDB::min_parallel 8;
2397 (Coro::unblock_sub { 2790
2398 write_runtime 2791 BDB::set_sync_prepare {
2399 or warn "ERROR: unable to write runtime file: $!"; 2792 my $status;
2793 my $current = $Coro::current;
2794 (
2795 sub {
2796 $status = $!;
2797 $current->ready; undef $current;
2798 },
2799 sub {
2800 Coro::schedule while defined $current;
2801 $! = $status;
2802 },
2803 )
2804 };
2805
2806 unless ($DB_ENV) {
2807 $DB_ENV = BDB::db_env_create;
2808
2809 cf::sync_job {
2810 eval {
2811 BDB::db_env_open
2812 $DB_ENV,
2813 $BDB_ENV_DIR,
2814 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2815 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2816 0666;
2817
2818 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2819
2820 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2821 $DB_ENV->set_lk_detect;
2822 };
2823
2824 cf::cleanup "db_env_open(db): $@" if $@;
2400 })->(); 2825 };
2401 }, 2826 }
2402); 2827}
2828
2829{
2830 IO::AIO::min_parallel 8;
2831
2832 undef $Coro::AIO::WATCHER;
2833 IO::AIO::max_poll_time $TICK * 0.1;
2834 $AIO_POLL_WATCHER = Event->io (
2835 reentrant => 0,
2836 data => WF_AUTOCANCEL,
2837 fd => IO::AIO::poll_fileno,
2838 poll => 'r',
2839 prio => 6,
2840 cb => \&IO::AIO::poll_cb,
2841 );
2842}
2843
2844# load additional modules
2845use cf::pod;
2403 2846
2404END { cf::emergency_save } 2847END { cf::emergency_save }
2405 2848
24061 28491
2407 2850

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