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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.3 (); 15use Coro 3.61 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
19 24
25use BDB ();
20use Data::Dumper; 26use Data::Dumper;
21use Digest::MD5; 27use Digest::MD5;
22use Fcntl; 28use Fcntl;
29use YAML::Syck ();
23use IO::AIO 2.32 (); 30use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 31use Time::HiRes;
32use Compress::LZF;
26 33
34# configure various modules to our taste
35#
36$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 40$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 41
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 43$YAML::Syck::ImplicitUnicode = 1;
33 44
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35 48
36our %COMMAND = (); 49our %COMMAND = ();
37our %COMMAND_TIME = (); 50our %COMMAND_TIME = ();
38 51
39our @EXTS = (); # list of extension package names 52our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 53our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
43 56
57our $RELOAD; # number of reloads so far
44our @EVENT; 58our @EVENT;
45our $LIBDIR = datadir . "/ext"; 59our $LIBDIR = datadir . "/ext";
46 60
47our $TICK = MAX_TIME * 1e-6; 61our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48our $TICK_WATCHER; 62our $TICK_WATCHER;
63our $AIO_POLL_WATCHER;
64our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49our $NEXT_TICK; 65our $NEXT_TICK;
50our $NOW; 66our $NOW;
67our $USE_FSYNC = 1; # use fsync to write maps - default off
68
69our $BDB_POLL_WATCHER;
70our $DB_ENV;
51 71
52our %CFG; 72our %CFG;
53 73
54our $UPTIME; $UPTIME ||= time; 74our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 75our $RUNTIME;
56 76
57our %PLAYER; # all users 77our %PLAYER; # all users
58our %MAP; # all maps 78our %MAP; # all maps
59our $LINK_MAP; # the special {link} map 79our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random"; 80our $RANDOM_MAPS = cf::localdir . "/random";
81our $BDB_ENV_DIR = cf::localdir . "/db";
61 82
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 83# used to convert map paths into valid unix filenames by replacing / by ∕
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 84our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64 85
65binmode STDOUT; 86binmode STDOUT;
66binmode STDERR; 87binmode STDERR;
67 88
68# read virtual server time, if available 89# read virtual server time, if available
75mkdir cf::localdir; 96mkdir cf::localdir;
76mkdir cf::localdir . "/" . cf::playerdir; 97mkdir cf::localdir . "/" . cf::playerdir;
77mkdir cf::localdir . "/" . cf::tmpdir; 98mkdir cf::localdir . "/" . cf::tmpdir;
78mkdir cf::localdir . "/" . cf::uniquedir; 99mkdir cf::localdir . "/" . cf::uniquedir;
79mkdir $RANDOM_MAPS; 100mkdir $RANDOM_MAPS;
101mkdir $BDB_ENV_DIR;
80 102
81# a special map that is always available
82our $LINK_MAP;
83our $EMERGENCY_POSITION; 103our $EMERGENCY_POSITION;
104
105sub cf::map::normalise;
84 106
85############################################################################# 107#############################################################################
86 108
87=head2 GLOBAL VARIABLES 109=head2 GLOBAL VARIABLES
88 110
113=item %cf::CFG 135=item %cf::CFG
114 136
115Configuration for the server, loaded from C</etc/crossfire/config>, or 137Configuration for the server, loaded from C</etc/crossfire/config>, or
116from wherever your confdir points to. 138from wherever your confdir points to.
117 139
118=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 140=item cf::wait_for_tick, cf::wait_for_tick_begin
119 141
120These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 142These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 143returns directly I<after> the tick processing (and consequently, can only wake one process
122processing has been done. Call C<< ->wait >> on them to maximise the 144per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123window of cpu time available, or simply to synchronise to the server tick.
124 145
125=back 146=back
126 147
127=cut 148=cut
128 149
129BEGIN { 150BEGIN {
130 *CORE::GLOBAL::warn = sub { 151 *CORE::GLOBAL::warn = sub {
131 my $msg = join "", @_; 152 my $msg = join "", @_;
132 utf8::encode $msg;
133 153
134 $msg .= "\n" 154 $msg .= "\n"
135 unless $msg =~ /\n$/; 155 unless $msg =~ /\n$/;
136 156
157 $msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158
159 utf8::encode $msg;
137 LOG llevError, $msg; 160 LOG llevError, $msg;
138 }; 161 };
139} 162}
140 163
141@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 164@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
187 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 210 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188 $d 211 $d
189 } || "[unable to dump $_[0]: '$@']"; 212 } || "[unable to dump $_[0]: '$@']";
190} 213}
191 214
192use JSON::Syck (); # TODO# replace by JSON::PC once working 215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193 216
194=item $ref = cf::from_json $json 217=item $ref = cf::from_json $json
195 218
196Converts a JSON string into the corresponding perl data structure. 219Converts a JSON string into the corresponding perl data structure.
197 220
198=cut
199
200sub from_json($) {
201 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202 JSON::Syck::Load $_[0]
203}
204
205=item $json = cf::to_json $ref 221=item $json = cf::to_json $ref
206 222
207Converts a perl data structure into its JSON representation. 223Converts a perl data structure into its JSON representation.
208
209=cut
210
211sub to_json($) {
212 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213 JSON::Syck::Dump $_[0]
214}
215 224
216=item cf::lock_wait $string 225=item cf::lock_wait $string
217 226
218Wait until the given lock is available. See cf::lock_acquire. 227Wait until the given lock is available. See cf::lock_acquire.
219 228
256} 265}
257 266
258sub freeze_mainloop { 267sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active; 268 return unless $TICK_WATCHER->is_active;
260 269
261 my $guard = Coro::guard { $TICK_WATCHER->start }; 270 my $guard = Coro::guard {
271 $TICK_WATCHER->start;
272 };
262 $TICK_WATCHER->stop; 273 $TICK_WATCHER->stop;
263 $guard 274 $guard
264} 275}
265 276
266=item cf::async { BLOCK } 277=item cf::async { BLOCK }
337 348
338 $coro 349 $coro
339} 350}
340 351
341sub write_runtime { 352sub write_runtime {
353 my $guard = cf::lock_acquire "write_runtime";
354
342 my $runtime = cf::localdir . "/runtime"; 355 my $runtime = cf::localdir . "/runtime";
343 356
344 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345 or return; 358 or return;
346 359
360 my $value = $cf::RUNTIME + 90 + 10;
347 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
348 (aio_write $fh, 0, (length $value), $value, 0) <= 0 364 (aio_write $fh, 0, (length $value), $value, 0) <= 0
349 and return; 365 and return;
350 366
367 # always fsync - this file is important
351 aio_fsync $fh 368 aio_fsync $fh
352 and return; 369 and return;
353 370
354 close $fh 371 close $fh
355 or return; 372 or return;
358 and return; 375 and return;
359 376
360 1 377 1
361} 378}
362 379
380=item cf::datalog type => key => value, ...
381
382Log a datalog packet of the given type with the given key-value pairs.
383
384=cut
385
386sub datalog($@) {
387 my ($type, %kv) = @_;
388 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389}
390
363=back 391=back
364 392
365=cut 393=cut
366
367#############################################################################
368
369package cf::path;
370
371use overload
372 '""' => \&as_string;
373
374# used to convert map paths into valid unix filenames by repalcing / by ∕
375our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377sub register {
378 my ($pkg, $prefix) = @_;
379
380 $EXT_MAP{$prefix} = $pkg;
381}
382
383sub new {
384 my ($class, $path, $base) = @_;
385
386 return $path if ref $path;
387
388 my $self = {};
389
390 # {... are special paths that are not being touched
391 # ?xxx/... are special absolute paths
392 # ?random/... random maps
393 # /! non-realised random map exit
394 # /... normal maps
395 # ~/... per-player maps without a specific player (DO NOT USE)
396 # ~user/... per-player map of a specific user
397
398 $path =~ s/$PATH_SEP/\//go;
399
400 if ($path =~ /^{/) {
401 # fine as it is
402 } else {
403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
405 $self->{user_rel} = 1;
406
407 if (defined $1) {
408 $self->{user} = $1;
409 } elsif ($base =~ m{^~([^/]+)/}) {
410 $self->{user} = $1;
411 } else {
412 warn "cannot resolve user-relative path without user <$path,$base>\n";
413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
420 } elsif ($path =~ /^\//) {
421 # /...
422 # already absolute
423 } else {
424 # relative
425 $base =~ s{[^/]+/?$}{};
426 return $class->new ("$base/$path");
427 }
428
429 for ($path) {
430 redo if s{/\.?/}{/};
431 redo if s{/[^/]+/\.\./}{/};
432 }
433 }
434
435 $self->{path} = $path;
436
437 if ("HASH" eq ref $self) {
438 bless $self, $class;
439 } else {
440 $self->init;
441 }
442
443 for my $ext (values %EXT_MAP) {
444 if (my $subst = $ext->substitute ($self)) {
445 return $subst;
446 }
447 }
448
449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
458}
459
460# the name / primary key / in-game path
461sub as_string {
462 my ($self) = @_;
463
464 $self->{user_rel} ? "~$self->{user}$self->{path}"
465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
466 : $self->{path}
467}
468
469# the displayed name, this is a one way mapping
470sub visible_name {
471 &as_string
472}
473
474# escape the /'s in the path
475sub _escaped_path {
476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477 $path
478}
479
480# the original (read-only) location
481sub load_path {
482 my ($self) = @_;
483
484 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485}
486
487# the temporary/swap location
488sub save_path {
489 my ($self) = @_;
490
491 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494}
495
496# the unique path, undef == no special unique path
497sub uniq_path {
498 my ($self) = @_;
499
500 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501}
502
503# this is somewhat ugly, but style maps do need special treatment
504sub is_style_map {
505 $_[0]{path} =~ m{^/styles/}
506}
507
508sub load_orig {
509 my ($self) = @_;
510
511 &cf::map::load_map_header ($self->load_path)
512}
513
514sub load_temp {
515 my ($self) = @_;
516
517 &cf::map::load_map_header ($self->save_path)
518}
519
520package cf;
521 394
522############################################################################# 395#############################################################################
523 396
524=head2 ATTACHABLE OBJECTS 397=head2 ATTACHABLE OBJECTS
525 398
651our @CB_TYPE = (); # registry for type (cf-object class) based events 524our @CB_TYPE = (); # registry for type (cf-object class) based events
652our @CB_MAP = (); 525our @CB_MAP = ();
653 526
654my %attachment; 527my %attachment;
655 528
529sub cf::attachable::thawer_merge {
530 # simply override everything except _meta
531 local $_[0]{_meta};
532 %{$_[0]} = %{$_[1]};
533}
534
656sub _attach_cb($$$$) { 535sub _attach_cb($$$$) {
657 my ($registry, $event, $prio, $cb) = @_; 536 my ($registry, $event, $prio, $cb) = @_;
658 537
659 use sort 'stable'; 538 use sort 'stable';
660 539
831# object support 710# object support
832 711
833sub reattach { 712sub reattach {
834 # basically do the same as instantiate, without calling instantiate 713 # basically do the same as instantiate, without calling instantiate
835 my ($obj) = @_; 714 my ($obj) = @_;
715
716 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836 717
837 my $registry = $obj->registry; 718 my $registry = $obj->registry;
838 719
839 @$registry = (); 720 @$registry = ();
840 721
887 $filename, length $$rdata, scalar @$objs; 768 $filename, length $$rdata, scalar @$objs;
888 769
889 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890 chmod SAVE_MODE, $fh; 771 chmod SAVE_MODE, $fh;
891 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 772 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892 aio_fsync $fh; 773 aio_fsync $fh if $cf::USE_FSYNC;
893 close $fh; 774 close $fh;
894 775
895 if (@$objs) { 776 if (@$objs) {
896 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) {
897 chmod SAVE_MODE, $fh; 778 chmod SAVE_MODE, $fh;
898 my $data = Storable::nfreeze { version => 1, objs => $objs }; 779 my $data = Storable::nfreeze { version => 1, objs => $objs };
899 aio_write $fh, 0, (length $data), $data, 0; 780 aio_write $fh, 0, (length $data), $data, 0;
900 aio_fsync $fh; 781 aio_fsync $fh if $cf::USE_FSYNC;
901 close $fh; 782 close $fh;
902 aio_rename "$filename.pst~", "$filename.pst"; 783 aio_rename "$filename.pst~", "$filename.pst";
903 } 784 }
904 } else { 785 } else {
905 aio_unlink "$filename.pst"; 786 aio_unlink "$filename.pst";
1027 "package $pkg; use strict; use utf8;\n" 908 "package $pkg; use strict; use utf8;\n"
1028 . "#line 1 \"$path\"\n{\n" 909 . "#line 1 \"$path\"\n{\n"
1029 . (do { local $/; <$fh> }) 910 . (do { local $/; <$fh> })
1030 . "\n};\n1"; 911 . "\n};\n1";
1031 912
1032 eval $source 913 unless (eval $source) {
1033 or die $@ ? "$path: $@\n" 914 my $msg = $@ ? "$path: $@\n"
1034 : "extension disabled.\n"; 915 : "extension disabled.\n";
916 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917 warn $@;
918 warn "mandatory extension failed to load, exiting.\n";
919 exit 1;
920 }
921 die $@;
922 }
1035 923
1036 push @EXTS, $pkg; 924 push @EXTS, $pkg;
1037} 925}
1038 926
1039sub load_extensions { 927sub load_extensions {
1045 } or warn "$ext not loaded: $@"; 933 } or warn "$ext not loaded: $@";
1046 } 934 }
1047} 935}
1048 936
1049############################################################################# 937#############################################################################
1050# load/save/clean perl data associated with a map
1051
1052*cf::mapsupport::on_clean = sub {
1053 my ($map) = @_;
1054
1055 my $path = $map->tmpname;
1056 defined $path or return;
1057
1058 unlink "$path.pst";
1059};
1060
1061cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063#############################################################################
1064 938
1065=head2 CORE EXTENSIONS 939=head2 CORE EXTENSIONS
1066 940
1067Functions and methods that extend core crossfire objects. 941Functions and methods that extend core crossfire objects.
1068 942
1091} 965}
1092 966
1093sub path($) { 967sub path($) {
1094 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095 969
1096 (playerdir $login) . "/$login.pl" 970 (playerdir $login) . "/playerdata"
1097} 971}
1098 972
1099sub find_active($) { 973sub find_active($) {
1100 $cf::PLAYER{$_[0]} 974 $cf::PLAYER{$_[0]}
1101 and $cf::PLAYER{$_[0]}->active 975 and $cf::PLAYER{$_[0]}->active
1104 978
1105sub exists($) { 979sub exists($) {
1106 my ($login) = @_; 980 my ($login) = @_;
1107 981
1108 $cf::PLAYER{$login} 982 $cf::PLAYER{$login}
1109 or cf::sync_job { !aio_stat $login } 983 or cf::sync_job { !aio_stat path $login }
1110} 984}
1111 985
1112sub find($) { 986sub find($) {
1113 return $cf::PLAYER{$_[0]} || do { 987 return $cf::PLAYER{$_[0]} || do {
1114 my $login = $_[0]; 988 my $login = $_[0];
1115 989
1116 my $guard = cf::lock_acquire "user_find:$login"; 990 my $guard = cf::lock_acquire "user_find:$login";
1117 991
1118 $cf::PLAYER{$_[0]} || do { 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
1119 my $pl = load_pl path $login 1000 my $pl = load_pl path $login
1120 or return; 1001 or return;
1121 $cf::PLAYER{$login} = $pl 1002 $cf::PLAYER{$login} = $pl
1122 } 1003 }
1123 } 1004 }
1160 1041
1161=cut 1042=cut
1162 1043
1163sub quit_character { 1044sub quit_character {
1164 my ($pl) = @_; 1045 my ($pl) = @_;
1046
1047 my $name = $pl->ob->name;
1165 1048
1166 $pl->{deny_save} = 1; 1049 $pl->{deny_save} = 1;
1167 $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
1168 1051
1169 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1174 my $path = playerdir $pl; 1057 my $path = playerdir $pl;
1175 my $temp = "$path~$cf::RUNTIME~deleting~"; 1058 my $temp = "$path~$cf::RUNTIME~deleting~";
1176 aio_rename $path, $temp; 1059 aio_rename $path, $temp;
1177 delete $cf::PLAYER{$pl->ob->name}; 1060 delete $cf::PLAYER{$pl->ob->name};
1178 $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
1179 IO::AIO::aio_rmtree $temp; 1068 IO::AIO::aio_rmtree $temp;
1069}
1070
1071=item $pl->kick
1072
1073Kicks a player out of the game. This destroys the connection.
1074
1075=cut
1076
1077sub kick {
1078 my ($pl, $kicker) = @_;
1079
1080 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1081 $pl->killer ("kicked");
1082 $pl->ns->destroy;
1180} 1083}
1181 1084
1182=item cf::player::list_logins 1085=item cf::player::list_logins
1183 1086
1184Returns am arrayref of all valid playernames in the system, can take a 1087Returns am arrayref of all valid playernames in the system, can take a
1204 \@logins 1107 \@logins
1205} 1108}
1206 1109
1207=item $player->maps 1110=item $player->maps
1208 1111
1209Returns an arrayref of cf::path's of all maps that are private for this 1112Returns an arrayref of map paths that are private for this
1210player. May block. 1113player. May block.
1211 1114
1212=cut 1115=cut
1213 1116
1214sub maps($) { 1117sub maps($) {
1215 my ($pl) = @_; 1118 my ($pl) = @_;
1119
1120 $pl = ref $pl ? $pl->ob->name : $pl;
1216 1121
1217 my $files = aio_readdir playerdir $pl 1122 my $files = aio_readdir playerdir $pl
1218 or return; 1123 or return;
1219 1124
1220 my @paths; 1125 my @paths;
1222 for (@$files) { 1127 for (@$files) {
1223 utf8::decode $_; 1128 utf8::decode $_;
1224 next if /\.(?:pl|pst)$/; 1129 next if /\.(?:pl|pst)$/;
1225 next unless /^$PATH_SEP/o; 1130 next unless /^$PATH_SEP/o;
1226 1131
1227 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1132 push @paths, cf::map::normalise "~$pl/$_";
1228 } 1133 }
1229 1134
1230 \@paths 1135 \@paths
1231} 1136}
1232 1137
1233=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1234 1139
1235Sends an ext reply to the player. 1140Sends an ext reply to the player.
1236 1141
1237=cut 1142=cut
1238 1143
1239sub ext_reply($$$%) { 1144sub ext_reply($$%) {
1240 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1241 1146
1242 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1243 1148
1244 $self->send ("ext " . cf::to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1245} 1150}
1246 1151
1247package cf; 1152=item $player->ext_event ($type, %msg)
1153
1154Sends an ext event to the client.
1155
1156=cut
1157
1158sub ext_event($$%) {
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}
1248 1192
1249=back 1193=back
1250
1251 1194
1252=head3 cf::map 1195=head3 cf::map
1253 1196
1254=over 4 1197=over 4
1255 1198
1258package cf::map; 1201package cf::map;
1259 1202
1260use Fcntl; 1203use Fcntl;
1261use Coro::AIO; 1204use Coro::AIO;
1262 1205
1206use overload
1207 '""' => \&as_string,
1208 fallback => 1;
1209
1263our $MAX_RESET = 3600; 1210our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1211our $DEFAULT_RESET = 3000;
1265 1212
1266sub generate_random_map { 1213sub generate_random_map {
1267 my ($path, $rmp) = @_; 1214 my ($self, $rmp) = @_;
1268
1269 # mit "rum" bekleckern, nicht 1215 # mit "rum" bekleckern, nicht
1270 cf::map::_create_random_map 1216 $self->_create_random_map (
1271 $path,
1272 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1217 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1218 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1219 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275 $rmp->{exit_on_final_map}, 1220 $rmp->{exit_on_final_map},
1276 $rmp->{xsize}, $rmp->{ysize}, 1221 $rmp->{xsize}, $rmp->{ysize},
1277 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1222 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1223 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1224 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280 $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},
1281 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1226 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282 (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
1283} 1358}
1284 1359
1285# and all this just because we cannot iterate over 1360# and all this just because we cannot iterate over
1286# all maps in C++... 1361# all maps in C++...
1287sub change_all_map_light { 1362sub change_all_map_light {
1289 1364
1290 $_->change_map_light ($change) 1365 $_->change_map_light ($change)
1291 for grep $_->outdoor, values %cf::MAP; 1366 for grep $_->outdoor, values %cf::MAP;
1292} 1367}
1293 1368
1369sub unlink_save {
1370 my ($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
1294sub load_map_header($) { 1377sub load_header_from($) {
1295 my ($path) = @_; 1378 my ($self, $path) = @_;
1296 1379
1297 utf8::encode $path; 1380 utf8::encode $path;
1298 aio_open $path, O_RDONLY, 0 1381 #aio_open $path, O_RDONLY, 0
1382 # or return;
1383
1384 $self->_load_header ($path)
1299 or return; 1385 or return;
1300 1386
1301 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
1302 or return; 1430 or return;
1431 $self->prepare_orig;
1432 }
1303 1433
1304 # for better error messages only, will be overwritten later 1434 $self->default_region (cf::region::find_by_path $self->{path})
1305 $map->path ($path); 1435 unless $self->default_region;
1306 1436
1307 $map->load_header ($path) 1437 1
1308 or return;
1309
1310 $map->{load_path} = $path;
1311
1312 $map
1313} 1438}
1314 1439
1315sub find; 1440sub find;
1316sub find { 1441sub find {
1317 my ($path, $origin) = @_; 1442 my ($path, $origin) = @_;
1318 1443
1319 #warn "find<$path,$origin>\n";#d#
1320
1321 $path = new cf::path $path, $origin && $origin->path; 1444 $path = normalise $path, $origin && $origin->path;
1322 my $key = $path->as_string;
1323 1445
1324 cf::lock_wait "map_find:$key"; 1446 cf::lock_wait "map_find:$path";
1325 1447
1326 $cf::MAP{$key} || do { 1448 $cf::MAP{$path} || do {
1327 my $guard = cf::lock_acquire "map_find:$key"; 1449 my $guard = cf::lock_acquire "map_find:$path";
1328 1450 my $map = new_from_path cf::map $path
1329 # do it the slow way
1330 my $map = $path->load_temp;
1331
1332 Coro::cede;
1333
1334 if ($map) {
1335 $map->last_access ((delete $map->{last_access})
1336 || $cf::RUNTIME); #d#
1337 # safety
1338 $map->{instantiate_time} = $cf::RUNTIME
1339 if $map->{instantiate_time} > $cf::RUNTIME;
1340 } else {
1341 $map = $path->load_orig
1342 or return; 1451 or return;
1343 1452
1344 $map->{load_original} = 1;
1345 $map->{instantiate_time} = $cf::RUNTIME;
1346 $map->last_access ($cf::RUNTIME);
1347 $map->instantiate;
1348
1349 # per-player maps become, after loading, normal maps
1350 $map->per_player (0) if $path->{user_rel};
1351 }
1352
1353 $map->path ($key);
1354 $map->{path} = $path;
1355 $map->{last_save} = $cf::RUNTIME; 1453 $map->{last_save} = $cf::RUNTIME;
1356 1454
1357 Coro::cede; 1455 $map->load_header
1456 or return;
1358 1457
1359 if ($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;
1360 $map->reset; 1461 $map->reset;
1361 undef $guard; 1462 undef $guard;
1362 $map = find $path 1463 return find $path;
1363 or return;
1364 } 1464 }
1365 1465
1366 $cf::MAP{$key} = $map 1466 $cf::MAP{$path} = $map
1367 } 1467 }
1368} 1468}
1469
1470sub pre_load { }
1471sub post_load { }
1369 1472
1370sub load { 1473sub load {
1371 my ($self) = @_; 1474 my ($self) = @_;
1372 1475
1476 local $self->{deny_reset} = 1; # loading can take a long time
1477
1373 my $path = $self->{path}; 1478 my $path = $self->{path};
1374 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1479 my $guard = cf::lock_acquire "map_load:$path";
1375 1480
1376 return if $self->in_memory != cf::MAP_SWAPPED; 1481 return if $self->in_memory != cf::MAP_SWAPPED;
1377 1482
1378 $self->in_memory (cf::MAP_LOADING); 1483 $self->in_memory (cf::MAP_LOADING);
1379 1484
1380 $self->alloc; 1485 $self->alloc;
1486
1487 $self->pre_load;
1488 Coro::cede;
1489
1381 $self->load_objects ($self->{load_path}, 1) 1490 $self->_load_objects ($self->{load_path}, 1)
1382 or return; 1491 or return;
1383 1492
1384 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1493 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385 if delete $self->{load_original}; 1494 if delete $self->{load_original};
1386 1495
1387 if (my $uniq = $path->uniq_path) { 1496 if (my $uniq = $self->uniq_path) {
1388 utf8::encode $uniq; 1497 utf8::encode $uniq;
1389 if (aio_open $uniq, O_RDONLY, 0) { 1498 if (aio_open $uniq, O_RDONLY, 0) {
1390 $self->clear_unique_items; 1499 $self->clear_unique_items;
1391 $self->load_objects ($uniq, 0); 1500 $self->_load_objects ($uniq, 0);
1392 } 1501 }
1393 } 1502 }
1394 1503
1395 Coro::cede; 1504 Coro::cede;
1396
1397 # now do the right thing for maps 1505 # now do the right thing for maps
1398 $self->link_multipart_objects; 1506 $self->link_multipart_objects;
1507 Coro::cede;
1399 1508
1400 if ($self->{path}->is_style_map) { 1509 unless ($self->{deny_activate}) {
1401 $self->{deny_save} = 1; 1510 $self->decay_objects;
1402 $self->{deny_reset} = 1;
1403 } else {
1404 $self->fix_auto_apply; 1511 $self->fix_auto_apply;
1405 $self->decay_objects;
1406 $self->update_buttons; 1512 $self->update_buttons;
1513 Coro::cede;
1407 $self->set_darkness_map; 1514 $self->set_darkness_map;
1408 $self->difficulty ($self->estimate_difficulty) 1515 $self->difficulty ($self->estimate_difficulty)
1409 unless $self->difficulty; 1516 unless $self->difficulty;
1517 Coro::cede;
1410 $self->activate; 1518 $self->activate;
1519 Coro::cede;
1411 } 1520 }
1412 1521
1522 $self->post_load;
1413 Coro::cede; 1523 Coro::cede;
1414 1524
1415 $self->in_memory (cf::MAP_IN_MEMORY); 1525 $self->in_memory (cf::MAP_IN_MEMORY);
1526}
1527
1528sub customise_for {
1529 my ($self, $ob) = @_;
1530
1531 return find "~" . $ob->name . "/" . $self->{path}
1532 if $self->per_player;
1533
1534 $self
1416} 1535}
1417 1536
1418# find and load all maps in the 3x3 area around a map 1537# find and load all maps in the 3x3 area around a map
1419sub load_diag { 1538sub load_diag {
1420 my ($map) = @_; 1539 my ($map) = @_;
1450 1569
1451 cf::sync_job { $map->load }; 1570 cf::sync_job { $map->load };
1452} 1571}
1453 1572
1454our %MAP_PREFETCH; 1573our %MAP_PREFETCH;
1455our $MAP_PREFETCHER = Coro::async { 1574our $MAP_PREFETCHER = undef;
1456 while () {
1457 while (%MAP_PREFETCH) {
1458 my $key = each %MAP_PREFETCH
1459 or next;
1460 my $path = delete $MAP_PREFETCH{$key};
1461
1462 my $map = find $path
1463 or next;
1464 $map->load;
1465 }
1466 Coro::schedule;
1467 }
1468};
1469 1575
1470sub find_async { 1576sub find_async {
1471 my ($path, $origin) = @_; 1577 my ($path, $origin) = @_;
1472 1578
1473 $path = new cf::path $path, $origin && $origin->path; 1579 $path = normalise $path, $origin && $origin->{path};
1474 my $key = $path->as_string;
1475 1580
1476 if (my $map = $cf::MAP{$key}) { 1581 if (my $map = $cf::MAP{$path}) {
1477 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1582 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478 } 1583 }
1479 1584
1480 $MAP_PREFETCH{$key} = $path; 1585 undef $MAP_PREFETCH{$path};
1586 $MAP_PREFETCHER ||= cf::async {
1587 while (%MAP_PREFETCH) {
1588 for my $path (keys %MAP_PREFETCH) {
1589 my $map = find $path
1590 or next;
1591 $map->load;
1592
1593 delete $MAP_PREFETCH{$path};
1594 }
1595 }
1596 undef $MAP_PREFETCHER;
1597 };
1481 $MAP_PREFETCHER->ready; 1598 $MAP_PREFETCHER->prio (6);
1482 1599
1483 () 1600 ()
1484} 1601}
1485 1602
1486sub save { 1603sub save {
1490 1607
1491 $self->{last_save} = $cf::RUNTIME; 1608 $self->{last_save} = $cf::RUNTIME;
1492 1609
1493 return unless $self->dirty; 1610 return unless $self->dirty;
1494 1611
1495 my $save = $self->{path}->save_path; utf8::encode $save; 1612 my $save = $self->save_path; utf8::encode $save;
1496 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1613 my $uniq = $self->uniq_path; utf8::encode $uniq;
1497 1614
1498 $self->{load_path} = $save; 1615 $self->{load_path} = $save;
1499 1616
1500 return if $self->{deny_save}; 1617 return if $self->{deny_save};
1501 1618
1504 cf::async { 1621 cf::async {
1505 $_->contr->save for $self->players; 1622 $_->contr->save for $self->players;
1506 }; 1623 };
1507 1624
1508 if ($uniq) { 1625 if ($uniq) {
1509 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1626 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510 $self->save_objects ($uniq, cf::IO_UNIQUES); 1627 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1511 } else { 1628 } else {
1512 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1629 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513 } 1630 }
1514} 1631}
1515 1632
1516sub swap_out { 1633sub swap_out {
1517 my ($self) = @_; 1634 my ($self) = @_;
1531 1648
1532sub reset_at { 1649sub reset_at {
1533 my ($self) = @_; 1650 my ($self) = @_;
1534 1651
1535 # TODO: safety, remove and allow resettable per-player maps 1652 # TODO: safety, remove and allow resettable per-player maps
1536 return 1e99 if $self->{path}{user_rel}; 1653 return 1e99 if $self->isa ("ext::map_per_player");#d#
1537 return 1e99 if $self->{deny_reset}; 1654 return 1e99 if $self->{deny_reset};
1538 1655
1539 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1656 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1657 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541 1658
1546 my ($self) = @_; 1663 my ($self) = @_;
1547 1664
1548 $self->reset_at <= $cf::RUNTIME 1665 $self->reset_at <= $cf::RUNTIME
1549} 1666}
1550 1667
1551sub unlink_save {
1552 my ($self) = @_;
1553
1554 utf8::encode (my $save = $self->{path}->save_path);
1555 aioreq_pri 3; IO::AIO::aio_unlink $save;
1556 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557}
1558
1559sub rename {
1560 my ($self, $new_path) = @_;
1561
1562 $self->unlink_save;
1563
1564 delete $cf::MAP{$self->path};
1565 $self->{path} = new cf::path $new_path;
1566 $self->path ($self->{path}->as_string);
1567 $cf::MAP{$self->path} = $self;
1568
1569 $self->save;
1570}
1571
1572sub reset { 1668sub reset {
1573 my ($self) = @_; 1669 my ($self) = @_;
1574 1670
1575 my $lock = cf::lock_acquire "map_data:" . $self->path; 1671 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 1672
1577 return if $self->players; 1673 return if $self->players;
1578 return if $self->{path}{user_rel};#d# 1674 return if $self->isa ("ext::map_per_player");#d#
1579 1675
1580 warn "resetting map ", $self->path;#d# 1676 warn "resetting map ", $self->path;#d#
1581 1677
1678 $self->in_memory (cf::MAP_SWAPPED);
1679
1680 # need to save uniques path
1681 unless ($self->{deny_save}) {
1682 my $uniq = $self->uniq_path; utf8::encode $uniq;
1683
1684 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1685 if $uniq;
1686 }
1687
1582 delete $cf::MAP{$self->path}; 1688 delete $cf::MAP{$self->path};
1689
1690 $self->clear;
1583 1691
1584 $_->clear_links_to ($self) for values %cf::MAP; 1692 $_->clear_links_to ($self) for values %cf::MAP;
1585 1693
1586 $self->unlink_save; 1694 $self->unlink_save;
1587 $self->destroy; 1695 $self->destroy;
1590my $nuke_counter = "aaaa"; 1698my $nuke_counter = "aaaa";
1591 1699
1592sub nuke { 1700sub nuke {
1593 my ($self) = @_; 1701 my ($self) = @_;
1594 1702
1703 delete $cf::MAP{$self->path};
1704
1705 $self->unlink_save;
1706
1707 bless $self, "cf::map";
1708 delete $self->{deny_reset};
1595 $self->{deny_save} = 1; 1709 $self->{deny_save} = 1;
1596 $self->reset_timeout (1); 1710 $self->reset_timeout (1);
1597 $self->rename ("{nuke}/" . ($nuke_counter++)); 1711 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712
1713 $cf::MAP{$self->path} = $self;
1714
1598 $self->reset; # polite request, might not happen 1715 $self->reset; # polite request, might not happen
1599} 1716}
1600 1717
1601sub customise_for {
1602 my ($map, $ob) = @_;
1603
1604 if ($map->per_player) {
1605 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1606 }
1607
1608 $map
1609}
1610
1611=item cf::map::unique_maps 1718=item cf::map::unique_maps
1612 1719
1613Returns an arrayref of cf::path's of all shared maps that have 1720Returns an arrayref of paths of all shared maps that have
1614instantiated unique items. May block. 1721instantiated unique items. May block.
1615 1722
1616=cut 1723=cut
1617 1724
1618sub unique_maps() { 1725sub unique_maps() {
1624 for (@$files) { 1731 for (@$files) {
1625 utf8::decode $_; 1732 utf8::decode $_;
1626 next if /\.pst$/; 1733 next if /\.pst$/;
1627 next unless /^$PATH_SEP/o; 1734 next unless /^$PATH_SEP/o;
1628 1735
1629 push @paths, new cf::path $_; 1736 push @paths, cf::map::normalise $_;
1630 } 1737 }
1631 1738
1632 \@paths 1739 \@paths
1633} 1740}
1634 1741
1709 1816
1710=item $player_object->enter_link 1817=item $player_object->enter_link
1711 1818
1712Freezes the player and moves him/her to a special map (C<{link}>). 1819Freezes the player and moves him/her to a special map (C<{link}>).
1713 1820
1714The player should be reaosnably safe there for short amounts of time. You 1821The player should be reasonably safe there for short amounts of time. You
1715I<MUST> call C<leave_link> as soon as possible, though. 1822I<MUST> call C<leave_link> as soon as possible, though.
1716 1823
1824Will never block.
1825
1717=item $player_object->leave_link ($map, $x, $y) 1826=item $player_object->leave_link ($map, $x, $y)
1718 1827
1719Moves the player out of the specila link map onto the given map. If the 1828Moves the player out of the special C<{link}> map onto the specified
1720map is not valid (or omitted), the player will be moved back to the 1829map. If the map is not valid (or omitted), the player will be moved back
1721location he/she was before the call to C<enter_link>, or, if that fails, 1830to the location he/she was before the call to C<enter_link>, or, if that
1722to the emergency map position. 1831fails, to the emergency map position.
1723 1832
1724Might block. 1833Might block.
1725 1834
1726=cut 1835=cut
1836
1837sub link_map {
1838 unless ($LINK_MAP) {
1839 $LINK_MAP = cf::map::find "{link}"
1840 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1841 $LINK_MAP->load;
1842 }
1843
1844 $LINK_MAP
1845}
1727 1846
1728sub cf::object::player::enter_link { 1847sub cf::object::player::enter_link {
1729 my ($self) = @_; 1848 my ($self) = @_;
1730 1849
1731 $self->deactivate_recursive; 1850 $self->deactivate_recursive;
1732 1851
1733 return if $self->map == $LINK_MAP; 1852 return if UNIVERSAL::isa $self->map, "ext::map_link";
1734 1853
1735 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1854 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736 if $self->map; 1855 if $self->map;
1737 1856
1738 $self->enter_map ($LINK_MAP, 20, 20); 1857 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1739} 1858}
1740 1859
1741sub cf::object::player::leave_link { 1860sub cf::object::player::leave_link {
1742 my ($self, $map, $x, $y) = @_; 1861 my ($self, $map, $x, $y) = @_;
1743 1862
1765 $map->load; 1884 $map->load;
1766 $map->load_diag; 1885 $map->load_diag;
1767 1886
1768 return unless $self->contr->active; 1887 return unless $self->contr->active;
1769 $self->activate_recursive; 1888 $self->activate_recursive;
1889
1890 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770 $self->enter_map ($map, $x, $y); 1891 $self->enter_map ($map, $x, $y);
1771} 1892}
1772 1893
1773cf::player->attach ( 1894cf::player->attach (
1774 on_logout => sub { 1895 on_logout => sub {
1787 # try to abort aborted map switching on player login :) 1908 # try to abort aborted map switching on player login :)
1788 # should happen only on crashes 1909 # should happen only on crashes
1789 if ($pl->ob->{_link_pos}) { 1910 if ($pl->ob->{_link_pos}) {
1790 $pl->ob->enter_link; 1911 $pl->ob->enter_link;
1791 (async { 1912 (async {
1792 # we need this sleep as the login has a concurrent enter_exit running
1793 # and this sleep increases chances of the player not ending up in scorn
1794 $pl->ob->reply (undef, 1913 $pl->ob->reply (undef,
1795 "There was an internal problem at your last logout, " 1914 "There was an internal problem at your last logout, "
1796 . "the server will try to bring you to your intended destination in a second.", 1915 . "the server will try to bring you to your intended destination in a second.",
1797 cf::NDI_RED); 1916 cf::NDI_RED);
1917 # we need this sleep as the login has a concurrent enter_exit running
1918 # and this sleep increases chances of the player not ending up in scorn
1798 Coro::Timer::sleep 1; 1919 Coro::Timer::sleep 1;
1799 $pl->ob->leave_link; 1920 $pl->ob->leave_link;
1800 })->prio (2); 1921 })->prio (2);
1801 } 1922 }
1802 }, 1923 },
1807=cut 1928=cut
1808 1929
1809sub cf::object::player::goto { 1930sub cf::object::player::goto {
1810 my ($self, $path, $x, $y) = @_; 1931 my ($self, $path, $x, $y) = @_;
1811 1932
1812 $path = new cf::path $path;
1813
1814 $self->enter_link; 1933 $self->enter_link;
1815 1934
1816 (async { 1935 (async {
1936 my $map = eval {
1817 my $map = cf::map::find $path->as_string; 1937 my $map = cf::map::find $path;
1818 $map = $map->customise_for ($self) if $map; 1938 $map = $map->customise_for ($self) if $map;
1819 1939 $map
1820# warn "entering ", $map->path, " at ($x, $y)\n" 1940 } or
1821# if $map;
1822
1823 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1941 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1824 1942
1825 $self->leave_link ($map, $x, $y); 1943 $self->leave_link ($map, $x, $y);
1826 })->prio (1); 1944 })->prio (1);
1827} 1945}
1828 1946
1832 1950
1833sub parse_random_map_params { 1951sub parse_random_map_params {
1834 my ($spec) = @_; 1952 my ($spec) = @_;
1835 1953
1836 my $rmp = { # defaults 1954 my $rmp = { # defaults
1837 xsize => 10, 1955 xsize => (cf::rndm 15, 40),
1838 ysize => 10, 1956 ysize => (cf::rndm 15, 40),
1957 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1958 #layout => string,
1839 }; 1959 };
1840 1960
1841 for (split /\n/, $spec) { 1961 for (split /\n/, $spec) {
1842 my ($k, $v) = split /\s+/, $_, 2; 1962 my ($k, $v) = split /\s+/, $_, 2;
1843 1963
1847 $rmp 1967 $rmp
1848} 1968}
1849 1969
1850sub prepare_random_map { 1970sub prepare_random_map {
1851 my ($exit) = @_; 1971 my ($exit) = @_;
1972
1973 my $guard = cf::lock_acquire "exit_prepare:$exit";
1852 1974
1853 # all this does is basically replace the /! path by 1975 # all this does is basically replace the /! path by
1854 # a new random map path (?random/...) with a seed 1976 # a new random map path (?random/...) with a seed
1855 # that depends on the exit object 1977 # that depends on the exit object
1856 1978
1857 my $rmp = parse_random_map_params $exit->msg; 1979 my $rmp = parse_random_map_params $exit->msg;
1858 1980
1859 if ($exit->map) { 1981 if ($exit->map) {
1860 $rmp->{region} = $exit->map->region_name; 1982 $rmp->{region} = $exit->region->name;
1861 $rmp->{origin_map} = $exit->map->path; 1983 $rmp->{origin_map} = $exit->map->path;
1862 $rmp->{origin_x} = $exit->x; 1984 $rmp->{origin_x} = $exit->x;
1863 $rmp->{origin_y} = $exit->y; 1985 $rmp->{origin_y} = $exit->y;
1864 } 1986 }
1865 1987
1866 $rmp->{random_seed} ||= $exit->random_seed; 1988 $rmp->{random_seed} ||= $exit->random_seed;
1867 1989
1868 my $data = cf::to_json $rmp; 1990 my $data = cf::to_json $rmp;
1869 my $md5 = Digest::MD5::md5_hex $data; 1991 my $md5 = Digest::MD5::md5_hex $data;
1992 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1870 1993
1871 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1994 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872 aio_write $fh, 0, (length $data), $data, 0; 1995 aio_write $fh, 0, (length $data), $data, 0;
1996 undef $fh;
1997 aio_rename "$meta~", $meta;
1873 1998
1874 $exit->slaying ("?random/$md5"); 1999 $exit->slaying ("?random/$md5");
1875 $exit->msg (undef); 2000 $exit->msg (undef);
1876 } 2001 }
1877} 2002}
1878 2003
1879sub cf::object::player::enter_exit { 2004sub cf::object::player::enter_exit {
1880 my ($self, $exit) = @_; 2005 my ($self, $exit) = @_;
1881 2006
1882 return unless $self->type == cf::PLAYER; 2007 return unless $self->type == cf::PLAYER;
2008
2009 if ($exit->slaying eq "/!") {
2010 #TODO: this should de-fi-ni-te-ly not be a sync-job
2011 # the problem is that $exit might not survive long enough
2012 # so it needs to be done right now, right here
2013 cf::sync_job { prepare_random_map $exit };
2014 }
2015
2016 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017 my $hp = $exit->stats->hp;
2018 my $sp = $exit->stats->sp;
1883 2019
1884 $self->enter_link; 2020 $self->enter_link;
1885 2021
1886 (async { 2022 (async {
1887 $self->deactivate_recursive; # just to be sure 2023 $self->deactivate_recursive; # just to be sure
1888 unless (eval { 2024 unless (eval {
1889 prepare_random_map $exit 2025 $self->goto ($slaying, $hp, $sp);
1890 if $exit->slaying eq "/!";
1891
1892 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894 2026
1895 1; 2027 1;
1896 }) { 2028 }) {
1897 $self->message ("Something went wrong deep within the crossfire server. " 2029 $self->message ("Something went wrong deep within the crossfire server. "
1898 . "I'll try to bring you back to the map you were before. " 2030 . "I'll try to bring you back to the map you were before. "
1899 . "Please report this to the dungeon master!", 2031 . "Please report this to the dungeon master!",
1900 cf::NDI_UNIQUE | cf::NDI_RED); 2032 cf::NDI_UNIQUE | cf::NDI_RED);
1901 2033
1902 warn "ERROR in enter_exit: $@"; 2034 warn "ERROR in enter_exit: $@";
1903 $self->leave_link; 2035 $self->leave_link;
1904 } 2036 }
1905 })->prio (1); 2037 })->prio (1);
1918 2050
1919sub cf::client::send_drawinfo { 2051sub cf::client::send_drawinfo {
1920 my ($self, $text, $flags) = @_; 2052 my ($self, $text, $flags) = @_;
1921 2053
1922 utf8::encode $text; 2054 utf8::encode $text;
1923 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2055 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924} 2056}
1925 2057
2058=item $client->ext_event ($type, %msg)
2059
2060Sends an exti event to the client.
2061
2062=cut
2063
2064sub cf::client::ext_event($$%) {
2065 my ($self, $type, %msg) = @_;
2066
2067 $msg{msgtype} = "event_$type";
2068 $self->send_packet ("ext " . cf::to_json \%msg);
2069}
1926 2070
1927=item $success = $client->query ($flags, "text", \&cb) 2071=item $success = $client->query ($flags, "text", \&cb)
1928 2072
1929Queues a query to the client, calling the given callback with 2073Queues a query to the client, calling the given callback with
1930the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2074the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959 # get handled first 2103 # get handled first
1960 my $queue = delete $ns->{query_queue} 2104 my $queue = delete $ns->{query_queue}
1961 or return; # be conservative, not sure how that can happen, but we saw a crash here 2105 or return; # be conservative, not sure how that can happen, but we saw a crash here
1962 2106
1963 (shift @$queue)->[1]->($msg); 2107 (shift @$queue)->[1]->($msg);
2108 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964 2109
1965 push @{ $ns->{query_queue} }, @$queue; 2110 push @{ $ns->{query_queue} }, @$queue;
1966 2111
1967 if (@{ $ns->{query_queue} } == @$queue) { 2112 if (@{ $ns->{query_queue} } == @$queue) {
1968 if (@$queue) { 2113 if (@$queue) {
2026 2171
2027# here we export the classes and methods available to script code 2172# here we export the classes and methods available to script code
2028 2173
2029=pod 2174=pod
2030 2175
2031The following fucntions and emthods are available within a safe environment: 2176The following functions and methods are available within a safe environment:
2032 2177
2033 cf::object contr pay_amount pay_player map 2178 cf::object contr pay_amount pay_player map
2034 cf::object::player player 2179 cf::object::player player
2035 cf::player peaceful 2180 cf::player peaceful
2036 cf::map trigger 2181 cf::map trigger
2121############################################################################# 2266#############################################################################
2122 2267
2123=head2 EXTENSION DATABASE SUPPORT 2268=head2 EXTENSION DATABASE SUPPORT
2124 2269
2125Crossfire maintains a very simple database for extension use. It can 2270Crossfire maintains a very simple database for extension use. It can
2126currently store anything that can be serialised using Storable, which 2271currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2127excludes objects. 2272convert to/from binary).
2128 2273
2129The parameter C<$family> should best start with the name of the extension 2274The parameter C<$family> should best start with the name of the extension
2130using it, it should be unique. 2275using it, it should be unique.
2131 2276
2132=over 4 2277=over 4
2133 2278
2134=item $hashref = cf::db_get $family
2135
2136Return a hashref for use by the extension C<$family>, which can be
2137modified. After modifications, you have to call C<cf::db_dirty> or
2138C<cf::db_sync>.
2139
2140=item $value = cf::db_get $family => $key 2279=item $value = cf::db_get $family => $key
2141 2280
2142Returns a single value from the database 2281Returns a single value from the database.
2143
2144=item cf::db_put $family => $hashref
2145
2146Stores the given family hashref into the database. Updates are delayed, if
2147you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148 2282
2149=item cf::db_put $family => $key => $value 2283=item cf::db_put $family => $key => $value
2150 2284
2151Stores the given C<$value> in the family hash. Updates are delayed, if you 2285Stores the given C<$value> in the family.
2152want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154=item cf::db_dirty
2155
2156Marks the database as dirty, to be updated at a later time.
2157
2158=item cf::db_sync
2159
2160Immediately write the database to disk I<if it is dirty>.
2161 2286
2162=cut 2287=cut
2163 2288
2164our $DB; 2289our $DB;
2165 2290
2166{ 2291sub db_init {
2167 my $path = cf::localdir . "/database.pst"; 2292 unless ($DB) {
2293 $DB = BDB::db_create $DB_ENV;
2168 2294
2169 sub db_load() { 2295 cf::sync_job {
2170 $DB = stat $path ? Storable::retrieve $path : { }; 2296 eval {
2171 } 2297 $DB->set_flags (BDB::CHKSUM);
2172 2298
2173 my $pid; 2299 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2174 2300 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2175 sub db_save() { 2301 cf::cleanup "db_open(db): $!" if $!;
2176 waitpid $pid, 0 if $pid; 2302 };
2177 if (0 == ($pid = fork)) { 2303 cf::cleanup "db_open(db): $@" if $@;
2178 $DB->{_meta}{version} = 1;
2179 Storable::nstore $DB, "$path~";
2180 rename "$path~", $path;
2181 cf::_exit 0 if defined $pid;
2182 } 2304 };
2183 }
2184
2185 my $dirty;
2186
2187 sub db_sync() {
2188 db_save if $dirty;
2189 undef $dirty;
2190 }
2191
2192 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193 db_sync;
2194 }); 2305 }
2306}
2195 2307
2196 sub db_dirty() {
2197 $dirty = 1;
2198 $idle->start;
2199 }
2200
2201 sub db_get($;$) { 2308sub db_get($$) {
2202 @_ >= 2 2309 my $key = "$_[0]/$_[1]";
2203 ? $DB->{$_[0]}{$_[1]}
2204 : ($DB->{$_[0]} ||= { })
2205 }
2206 2310
2311 cf::sync_job {
2312 BDB::db_get $DB, undef, $key, my $data;
2313
2314 $! ? ()
2315 : $data
2316 }
2317}
2318
2207 sub db_put($$;$) { 2319sub db_put($$$) {
2208 if (@_ >= 3) { 2320 BDB::dbreq_pri 4;
2209 $DB->{$_[0]}{$_[1]} = $_[2]; 2321 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2210 } else { 2322}
2211 $DB->{$_[0]} = $_[1];
2212 }
2213 db_dirty;
2214 }
2215 2323
2216 cf::global->attach ( 2324=item cf::cache $id => [$paths...], $processversion => $process
2217 prio => 10000, 2325
2218 on_cleanup => sub { 2326Generic caching function that returns the value of the resource $id,
2219 db_sync; 2327caching and regenerating as required.
2328
2329This function can block.
2330
2331=cut
2332
2333sub cache {
2334 my ($id, $src, $processversion, $process) = @_;
2335
2336 my $meta =
2337 join "\x00",
2338 $processversion,
2339 map {
2340 aio_stat $_
2341 and Carp::croak "$_: $!";
2342
2343 ($_, (stat _)[7,9])
2344 } @$src;
2345
2346 my $dbmeta = db_get cache => "$id/meta";
2347 if ($dbmeta ne $meta) {
2348 # changed, we may need to process
2349
2350 my @data;
2351 my $md5;
2352
2353 for (0 .. $#$src) {
2354 0 <= aio_load $src->[$_], $data[$_]
2355 or Carp::croak "$src->[$_]: $!";
2220 }, 2356 }
2221 ); 2357
2358 # if processing is expensive, check
2359 # checksum first
2360 if (1) {
2361 $md5 =
2362 join "\x00",
2363 $processversion,
2364 map {
2365 Coro::cede;
2366 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2367 } 0.. $#$src;
2368
2369
2370 my $dbmd5 = db_get cache => "$id/md5";
2371 if ($dbmd5 eq $md5) {
2372 db_put cache => "$id/meta", $meta;
2373
2374 return db_get cache => "$id/data";
2375 }
2376 }
2377
2378 my $data = $process->(\@data);
2379
2380 db_put cache => "$id/data", $data;
2381 db_put cache => "$id/md5" , $md5;
2382 db_put cache => "$id/meta", $meta;
2383
2384 return $data;
2385 }
2386
2387 db_get cache => "$id/data"
2222} 2388}
2389
2390=item fork_call { }, $args
2391
2392Executes the given code block with the given arguments in a seperate
2393process, returning the results. Everything must be serialisable with
2394Coro::Storable. May, of course, block. Note that the executed sub may
2395never block itself or use any form of Event handling.
2396
2397=cut
2398
2399sub fork_call(&@) {
2400 my ($cb, @args) = @_;
2401
2402# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403# or die "socketpair: $!";
2404 pipe my $fh1, my $fh2
2405 or die "pipe: $!";
2406
2407 if (my $pid = fork) {
2408 close $fh2;
2409
2410 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411 $res = Coro::Storable::thaw $res;
2412
2413 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415 die $$res unless "ARRAY" eq ref $res;
2416
2417 return wantarray ? @$res : $res->[-1];
2418 } else {
2419 local $SIG{__WARN__};
2420 eval {
2421 local $SIG{__DIE__};
2422 close $fh1;
2423
2424 my @res = eval { $cb->(@args) };
2425 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426 };
2427
2428 warn $@ if $@;
2429 _exit 0;
2430 }
2431}
2432
2433
2223 2434
2224############################################################################# 2435#############################################################################
2225# the server's main() 2436# the server's init and main functions
2437
2438sub load_facedata($) {
2439 my ($path) = @_;
2440
2441 warn "loading facedata from $path\n";
2442
2443 my $facedata;
2444 0 < aio_load $path, $facedata
2445 or die "$path: $!";
2446
2447 $facedata = Coro::Storable::thaw $facedata;
2448
2449 $facedata->{version} == 2
2450 or cf::cleanup "$path: version mismatch, cannot proceed.";
2451
2452 {
2453 my $faces = $facedata->{faceinfo};
2454
2455 while (my ($face, $info) = each %$faces) {
2456 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2458 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2459 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2460 Coro::cede;
2461 }
2462
2463 while (my ($face, $info) = each %$faces) {
2464 next unless $info->{smooth};
2465 my $idx = cf::face::find $face
2466 or next;
2467 if (my $smooth = cf::face::find $info->{smooth}) {
2468 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2469 } else {
2470 warn "smooth face '$info->{smooth}' not found for face '$face'";
2471 }
2472 Coro::cede;
2473 }
2474 }
2475
2476 {
2477 my $anims = $facedata->{animinfo};
2478
2479 while (my ($anim, $info) = each %$anims) {
2480 cf::anim::set $anim, $info->{frames}, $info->{facings};
2481 Coro::cede;
2482 }
2483
2484 cf::anim::invalidate_all; # d'oh
2485 }
2486
2487 1
2488}
2489
2490sub reload_facedata {
2491 load_facedata sprintf "%s/facedata", cf::datadir
2492 or die "unable to load facedata\n";
2493}
2494
2495sub reload_regions {
2496 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497 or die "unable to load regions file\n";
2498}
2499
2500sub reload_archetypes {
2501 load_resource_file sprintf "%s/archetypes", cf::datadir
2502 or die "unable to load archetypes\n";
2503}
2504
2505sub reload_treasures {
2506 load_resource_file sprintf "%s/treasures", cf::datadir
2507 or die "unable to load treasurelists\n";
2508}
2509
2510sub reload_resources {
2511 warn "reloading resource files...\n";
2512
2513 reload_regions;
2514 reload_facedata;
2515 reload_archetypes;
2516 reload_treasures;
2517
2518 warn "finished reloading resource files\n";
2519}
2520
2521sub init {
2522 reload_resources;
2523}
2226 2524
2227sub cfg_load { 2525sub cfg_load {
2228 open my $fh, "<:utf8", cf::confdir . "/config" 2526 open my $fh, "<:utf8", cf::confdir . "/config"
2229 or return; 2527 or return;
2230 2528
2247 2545
2248sub main { 2546sub main {
2249 # we must not ever block the main coroutine 2547 # we must not ever block the main coroutine
2250 local $Coro::idle = sub { 2548 local $Coro::idle = sub {
2251 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2549 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550 (async {
2252 async { Event::one_event }; 2551 Event::one_event;
2552 })->prio (Coro::PRIO_MAX);
2253 }; 2553 };
2254 2554
2255 cfg_load; 2555 cfg_load;
2256 db_load; 2556 db_init;
2257 load_extensions; 2557 load_extensions;
2558
2559 $TICK_WATCHER->start;
2258 Event::loop; 2560 Event::loop;
2259} 2561}
2260 2562
2261############################################################################# 2563#############################################################################
2262# initialisation and cleanup 2564# initialisation and cleanup
2263 2565
2264# install some emergency cleanup handlers 2566# install some emergency cleanup handlers
2265BEGIN { 2567BEGIN {
2266 for my $signal (qw(INT HUP TERM)) { 2568 for my $signal (qw(INT HUP TERM)) {
2267 Event->signal ( 2569 Event->signal (
2570 reentrant => 0,
2268 data => WF_AUTOCANCEL, 2571 data => WF_AUTOCANCEL,
2269 signal => $signal, 2572 signal => $signal,
2573 prio => 0,
2270 cb => sub { 2574 cb => sub {
2271 cf::cleanup "SIG$signal"; 2575 cf::cleanup "SIG$signal";
2272 }, 2576 },
2273 ); 2577 );
2274 } 2578 }
2275} 2579}
2280 warn "enter emergency perl save\n"; 2584 warn "enter emergency perl save\n";
2281 2585
2282 cf::sync_job { 2586 cf::sync_job {
2283 # use a peculiar iteration method to avoid tripping on perl 2587 # use a peculiar iteration method to avoid tripping on perl
2284 # refcount bugs in for. also avoids problems with players 2588 # refcount bugs in for. also avoids problems with players
2285 # and maps saved/Destroyed asynchronously. 2589 # and maps saved/destroyed asynchronously.
2286 warn "begin emergency player save\n"; 2590 warn "begin emergency player save\n";
2287 for my $login (keys %cf::PLAYER) { 2591 for my $login (keys %cf::PLAYER) {
2288 my $pl = $cf::PLAYER{$login} or next; 2592 my $pl = $cf::PLAYER{$login} or next;
2289 $pl->valid or next; 2593 $pl->valid or next;
2290 $pl->save; 2594 $pl->save;
2296 my $map = $cf::MAP{$path} or next; 2600 my $map = $cf::MAP{$path} or next;
2297 $map->valid or next; 2601 $map->valid or next;
2298 $map->save; 2602 $map->save;
2299 } 2603 }
2300 warn "end emergency map save\n"; 2604 warn "end emergency map save\n";
2605
2606 warn "begin emergency database checkpoint\n";
2607 BDB::db_env_txn_checkpoint $DB_ENV;
2608 warn "end emergency database checkpoint\n";
2301 }; 2609 };
2302 2610
2303 warn "leave emergency perl save\n"; 2611 warn "leave emergency perl save\n";
2304} 2612}
2305 2613
2614sub post_cleanup {
2615 my ($make_core) = @_;
2616
2617 warn Carp::longmess "post_cleanup backtrace"
2618 if $make_core;
2619}
2620
2306sub reload() { 2621sub do_reload_perl() {
2307 # can/must only be called in main 2622 # can/must only be called in main
2308 if ($Coro::current != $Coro::main) { 2623 if ($Coro::current != $Coro::main) {
2309 warn "can only reload from main coroutine\n"; 2624 warn "can only reload from main coroutine";
2310 return; 2625 return;
2311 } 2626 }
2312 2627
2313 warn "reloading..."; 2628 warn "reloading...";
2314 2629
2315 warn "freezing server"; 2630 warn "entering sync_job";
2316 my $guard = freeze_mainloop; 2631
2632 cf::sync_job {
2633 cf::write_runtime; # external watchdog should not bark
2317 cf::emergency_save; 2634 cf::emergency_save;
2635 cf::write_runtime; # external watchdog should not bark
2318 2636
2319 warn "sync database to disk"; 2637 warn "syncing database to disk";
2320 cf::db_sync; 2638 BDB::db_env_txn_checkpoint $DB_ENV;
2321 IO::AIO::flush;
2322 2639
2323 eval {
2324 # if anything goes wrong in here, we should simply crash as we already saved 2640 # if anything goes wrong in here, we should simply crash as we already saved
2325 2641
2326 warn "cancel all watchers"; 2642 warn "cancelling all WF_AUTOCANCEL watchers";
2327 for (Event::all_watchers) { 2643 for (Event::all_watchers) {
2328 $_->cancel if $_->data & WF_AUTOCANCEL; 2644 $_->cancel if $_->data & WF_AUTOCANCEL;
2329 } 2645 }
2330 2646
2647 warn "flushing outstanding aio requests";
2648 for (;;) {
2649 BDB::flush;
2650 IO::AIO::flush;
2651 Coro::cede;
2652 last unless IO::AIO::nreqs || BDB::nreqs;
2653 warn "iterate...";
2654 }
2655
2656 ++$RELOAD;
2657
2331 warn "cancel all extension coros"; 2658 warn "cancelling all extension coros";
2332 $_->cancel for values %EXT_CORO; 2659 $_->cancel for values %EXT_CORO;
2333 %EXT_CORO = (); 2660 %EXT_CORO = ();
2334 2661
2335 warn "remove commands"; 2662 warn "removing commands";
2336 %COMMAND = (); 2663 %COMMAND = ();
2337 2664
2338 warn "remove ext commands"; 2665 warn "removing ext commands";
2339 %EXTCMD = (); 2666 %EXTCMD = ();
2340 2667
2341 warn "unload/nuke all extensions"; 2668 warn "unloading/nuking all extensions";
2342 for my $pkg (@EXTS) { 2669 for my $pkg (@EXTS) {
2343 warn "... unloading $pkg"; 2670 warn "... unloading $pkg";
2344 2671
2345 if (my $cb = $pkg->can ("unload")) { 2672 if (my $cb = $pkg->can ("unload")) {
2346 eval { 2673 eval {
2351 2678
2352 warn "... nuking $pkg"; 2679 warn "... nuking $pkg";
2353 Symbol::delete_package $pkg; 2680 Symbol::delete_package $pkg;
2354 } 2681 }
2355 2682
2356 warn "unload all perl modules loaded from $LIBDIR"; 2683 warn "unloading all perl modules loaded from $LIBDIR";
2357 while (my ($k, $v) = each %INC) { 2684 while (my ($k, $v) = each %INC) {
2358 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2685 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359 2686
2360 warn "removing <$k>"; 2687 warn "... unloading $k";
2361 delete $INC{$k}; 2688 delete $INC{$k};
2362 2689
2363 $k =~ s/\.pm$//; 2690 $k =~ s/\.pm$//;
2364 $k =~ s/\//::/g; 2691 $k =~ s/\//::/g;
2365 2692
2368 } 2695 }
2369 2696
2370 Symbol::delete_package $k; 2697 Symbol::delete_package $k;
2371 } 2698 }
2372 2699
2373 warn "get rid of safe::, as good as possible"; 2700 warn "getting rid of safe::, as good as possible";
2374 Symbol::delete_package "safe::$_" 2701 Symbol::delete_package "safe::$_"
2375 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2702 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376 2703
2377 warn "unload cf.pm \"a bit\""; 2704 warn "unloading cf.pm \"a bit\"";
2378 delete $INC{"cf.pm"}; 2705 delete $INC{"cf.pm"};
2379 2706
2380 # don't, removes xs symbols, too, 2707 # don't, removes xs symbols, too,
2381 # and global variables created in xs 2708 # and global variables created in xs
2382 #Symbol::delete_package __PACKAGE__; 2709 #Symbol::delete_package __PACKAGE__;
2383 2710
2711 warn "unload completed, starting to reload now";
2712
2384 warn "reloading cf.pm"; 2713 warn "reloading cf.pm";
2385 require cf; 2714 require cf;
2386 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2715 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387 2716
2388 warn "load config and database again"; 2717 warn "loading config and database again";
2389 cf::cfg_load; 2718 cf::cfg_load;
2390 cf::db_load;
2391 2719
2392 warn "load extensions"; 2720 warn "loading extensions";
2393 cf::load_extensions; 2721 cf::load_extensions;
2394 2722
2395 warn "reattach attachments to objects/players"; 2723 warn "reattaching attachments to objects/players";
2396 _global_reattach; 2724 _global_reattach; # objects, sockets
2397 warn "reattach attachments to maps"; 2725 warn "reattaching attachments to maps";
2398 reattach $_ for values %MAP; 2726 reattach $_ for values %MAP;
2399 }; 2727 warn "reattaching attachments to players";
2728 reattach $_ for values %PLAYER;
2400 2729
2401 if ($@) { 2730 warn "leaving sync_job";
2731
2732 1
2733 } or do {
2402 warn $@; 2734 warn $@;
2403 warn "error while reloading, exiting."; 2735 warn "error while reloading, exiting.";
2404 exit 1; 2736 exit 1;
2405 } 2737 };
2406 2738
2407 warn "reloaded"; 2739 warn "reloaded";
2408}; 2740};
2409 2741
2410############################################################################# 2742our $RELOAD_WATCHER; # used only during reload
2411 2743
2412unless ($LINK_MAP) { 2744sub reload_perl() {
2413 $LINK_MAP = cf::map::new; 2745 # doing reload synchronously and two reloads happen back-to-back,
2746 # coro crashes during coro_state_free->destroy here.
2414 2747
2415 $LINK_MAP->width (41); 2748 $RELOAD_WATCHER ||= Event->timer (
2416 $LINK_MAP->height (41); 2749 reentrant => 0,
2417 $LINK_MAP->alloc;
2418 $LINK_MAP->path ("{link}");
2419 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422 # dirty hack because... archetypes are not yet loaded
2423 Event->timer (
2424 after => 10, 2750 after => 0,
2751 data => WF_AUTOCANCEL,
2425 cb => sub { 2752 cb => sub {
2426 $_[0]->w->cancel; 2753 do_reload_perl;
2427 2754 undef $RELOAD_WATCHER;
2428 # provide some exits "home"
2429 my $exit = cf::object::new "exit";
2430
2431 $exit->slaying ($EMERGENCY_POSITION->[0]);
2432 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435 $LINK_MAP->insert ($exit->clone, 19, 19);
2436 $LINK_MAP->insert ($exit->clone, 19, 20);
2437 $LINK_MAP->insert ($exit->clone, 19, 21);
2438 $LINK_MAP->insert ($exit->clone, 20, 19);
2439 $LINK_MAP->insert ($exit->clone, 20, 21);
2440 $LINK_MAP->insert ($exit->clone, 21, 19);
2441 $LINK_MAP->insert ($exit->clone, 21, 20);
2442 $LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444 $exit->destroy;
2445 }); 2755 },
2446 2756 );
2447 $LINK_MAP->{deny_save} = 1;
2448 $LINK_MAP->{deny_reset} = 1;
2449
2450 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451} 2757}
2452 2758
2453register_command "reload" => sub { 2759register_command "reload" => sub {
2454 my ($who, $arg) = @_; 2760 my ($who, $arg) = @_;
2455 2761
2456 if ($who->flag (FLAG_WIZ)) { 2762 if ($who->flag (FLAG_WIZ)) {
2457 $who->message ("start of reload.");
2458 reload;
2459 $who->message ("end of reload."); 2763 $who->message ("reloading server.");
2764 async { reload_perl };
2460 } 2765 }
2461}; 2766};
2462 2767
2463unshift @INC, $LIBDIR; 2768unshift @INC, $LIBDIR;
2769
2770my $bug_warning = 0;
2771
2772our @WAIT_FOR_TICK;
2773our @WAIT_FOR_TICK_BEGIN;
2774
2775sub wait_for_tick {
2776 return unless $TICK_WATCHER->is_active;
2777 return if $Coro::current == $Coro::main;
2778
2779 my $signal = new Coro::Signal;
2780 push @WAIT_FOR_TICK, $signal;
2781 $signal->wait;
2782}
2783
2784sub wait_for_tick_begin {
2785 return unless $TICK_WATCHER->is_active;
2786 return if $Coro::current == $Coro::main;
2787
2788 my $signal = new Coro::Signal;
2789 push @WAIT_FOR_TICK_BEGIN, $signal;
2790 $signal->wait;
2791}
2464 2792
2465$TICK_WATCHER = Event->timer ( 2793$TICK_WATCHER = Event->timer (
2466 reentrant => 0, 2794 reentrant => 0,
2795 parked => 1,
2467 prio => 0, 2796 prio => 0,
2468 at => $NEXT_TICK || $TICK, 2797 at => $NEXT_TICK || $TICK,
2469 data => WF_AUTOCANCEL, 2798 data => WF_AUTOCANCEL,
2470 cb => sub { 2799 cb => sub {
2800 if ($Coro::current != $Coro::main) {
2801 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802 unless ++$bug_warning > 10;
2803 return;
2804 }
2805
2806 $NOW = Event::time;
2807
2471 cf::server_tick; # one server iteration 2808 cf::server_tick; # one server iteration
2809
2472 $RUNTIME += $TICK; 2810 $RUNTIME += $TICK;
2473 $NEXT_TICK += $TICK; 2811 $NEXT_TICK += $TICK;
2474 2812
2475 $WAIT_FOR_TICK->broadcast; 2813 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2814 $NEXT_RUNTIME_WRITE = $NOW + 10;
2815 Coro::async_pool {
2816 write_runtime
2817 or warn "ERROR: unable to write runtime file: $!";
2818 };
2819 }
2820
2821# my $AFTER = Event::time;
2822# warn $AFTER - $NOW;#d#
2477 2823
2478 # if we are delayed by four ticks or more, skip them all 2824 # if we are delayed by four ticks or more, skip them all
2479 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2825 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480 2826
2481 $TICK_WATCHER->at ($NEXT_TICK); 2827 $TICK_WATCHER->at ($NEXT_TICK);
2482 $TICK_WATCHER->start; 2828 $TICK_WATCHER->start;
2829
2830 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2831 $sig->send;
2832 }
2833 while (my $sig = shift @WAIT_FOR_TICK) {
2834 $sig->send;
2835 }
2836
2837 _post_tick;
2483 }, 2838 },
2484); 2839);
2485 2840
2841{
2486IO::AIO::max_poll_time $TICK * 0.2; 2842 BDB::max_poll_time $TICK * 0.1;
2487 2843 $BDB_POLL_WATCHER = Event->io (
2488Event->io ( 2844 reentrant => 0,
2489 fd => IO::AIO::poll_fileno, 2845 fd => BDB::poll_fileno,
2490 poll => 'r', 2846 poll => 'r',
2491 prio => 5, 2847 prio => 0,
2492 data => WF_AUTOCANCEL,
2493 cb => \&IO::AIO::poll_cb,
2494);
2495
2496Event->timer (
2497 data => WF_AUTOCANCEL, 2848 data => WF_AUTOCANCEL,
2498 after => 0, 2849 cb => \&BDB::poll_cb,
2499 interval => 10, 2850 );
2500 cb => sub { 2851 BDB::min_parallel 8;
2501 (Coro::unblock_sub { 2852
2502 write_runtime 2853 BDB::set_sync_prepare {
2503 or warn "ERROR: unable to write runtime file: $!"; 2854 my $status;
2855 my $current = $Coro::current;
2856 (
2857 sub {
2858 $status = $!;
2859 $current->ready; undef $current;
2860 },
2861 sub {
2862 Coro::schedule while defined $current;
2863 $! = $status;
2864 },
2865 )
2866 };
2867
2868 unless ($DB_ENV) {
2869 $DB_ENV = BDB::db_env_create;
2870
2871 cf::sync_job {
2872 eval {
2873 BDB::db_env_open
2874 $DB_ENV,
2875 $BDB_ENV_DIR,
2876 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878 0666;
2879
2880 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2881
2882 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883 $DB_ENV->set_lk_detect;
2884 };
2885
2886 cf::cleanup "db_env_open(db): $@" if $@;
2504 })->(); 2887 };
2505 }, 2888 }
2506); 2889}
2890
2891{
2892 IO::AIO::min_parallel 8;
2893
2894 undef $Coro::AIO::WATCHER;
2895 IO::AIO::max_poll_time $TICK * 0.1;
2896 $AIO_POLL_WATCHER = Event->io (
2897 reentrant => 0,
2898 data => WF_AUTOCANCEL,
2899 fd => IO::AIO::poll_fileno,
2900 poll => 'r',
2901 prio => 6,
2902 cb => \&IO::AIO::poll_cb,
2903 );
2904}
2905
2906# load additional modules
2907use cf::pod;
2507 2908
2508END { cf::emergency_save } 2909END { cf::emergency_save }
2509 2910
25101 29111
2511 2912

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