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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.226 by root, Wed Mar 14 04:12:29 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
19 21
22use BDB ();
23use Data::Dumper;
20use Digest::MD5; 24use Digest::MD5;
21use Fcntl; 25use Fcntl;
22use IO::AIO 2.31 (); 26use IO::AIO 2.32 ();
23use YAML::Syck (); 27use YAML::Syck ();
24use Time::HiRes; 28use Time::HiRes;
29use Compress::LZF;
25 30
31Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 33$Event::Eval = 1; # no idea why this is required, but it is
34
35sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27 36
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 37# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 38$YAML::Syck::ImplicitUnicode = 1;
30 39
31$Coro::main->prio (2); # run main coroutine ("the server") with very high priority 40$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 41
35our %COMMAND = (); 42our %COMMAND = ();
36our %COMMAND_TIME = (); 43our %COMMAND_TIME = ();
44
45our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 46our %EXTCMD = ();
47our %EXT_CORO = (); # coroutines bound to extensions
48our %EXT_MAP = (); # pluggable maps
38 49
50our $RELOAD; # number of reloads so far
39our @EVENT; 51our @EVENT;
40our $LIBDIR = datadir . "/ext"; 52our $LIBDIR = datadir . "/ext";
41 53
42our $TICK = MAX_TIME * 1e-6; 54our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 55our $TICK_WATCHER;
56our $AIO_POLL_WATCHER;
57our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 58our $NEXT_TICK;
45our $NOW; 59our $NOW;
60our $USE_FSYNC = 1; # use fsync to write maps - default off
61
62our $BDB_POLL_WATCHER;
63our $DB_ENV;
46 64
47our %CFG; 65our %CFG;
48 66
49our $UPTIME; $UPTIME ||= time; 67our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 68our $RUNTIME;
51 69
70our %PLAYER; # all users
52our %MAP; # all maps 71our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 72our $LINK_MAP; # the special {link} map, which is always available
54our $RANDOM_MAPS = cf::localdir . "/random"; 73our $RANDOM_MAPS = cf::localdir . "/random";
55our %EXT_CORO; 74our $BDB_ENV_DIR = cf::localdir . "/db";
75
76our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78
79# used to convert map paths into valid unix filenames by replacing / by ∕
80our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56 81
57binmode STDOUT; 82binmode STDOUT;
58binmode STDERR; 83binmode STDERR;
59 84
60# read virtual server time, if available 85# read virtual server time, if available
67mkdir cf::localdir; 92mkdir cf::localdir;
68mkdir cf::localdir . "/" . cf::playerdir; 93mkdir cf::localdir . "/" . cf::playerdir;
69mkdir cf::localdir . "/" . cf::tmpdir; 94mkdir cf::localdir . "/" . cf::tmpdir;
70mkdir cf::localdir . "/" . cf::uniquedir; 95mkdir cf::localdir . "/" . cf::uniquedir;
71mkdir $RANDOM_MAPS; 96mkdir $RANDOM_MAPS;
97mkdir $BDB_ENV_DIR;
72 98
73# a special map that is always available
74our $LINK_MAP;
75our $EMERGENCY_POSITION; 99our $EMERGENCY_POSITION;
100
101sub cf::map::normalise;
76 102
77############################################################################# 103#############################################################################
78 104
79=head2 GLOBAL VARIABLES 105=head2 GLOBAL VARIABLES
80 106
104 130
105=item %cf::CFG 131=item %cf::CFG
106 132
107Configuration for the server, loaded from C</etc/crossfire/config>, or 133Configuration for the server, loaded from C</etc/crossfire/config>, or
108from wherever your confdir points to. 134from wherever your confdir points to.
135
136=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
137
138These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
139or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
140processing has been done. Call C<< ->wait >> on them to maximise the
141window of cpu time available, or simply to synchronise to the server tick.
109 142
110=back 143=back
111 144
112=cut 145=cut
113 146
117 utf8::encode $msg; 150 utf8::encode $msg;
118 151
119 $msg .= "\n" 152 $msg .= "\n"
120 unless $msg =~ /\n$/; 153 unless $msg =~ /\n$/;
121 154
122 LOG llevError, "cfperl: $msg"; 155 LOG llevError, $msg;
123 }; 156 };
124} 157}
125 158
126@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 159@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 160@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
145 178
146$Event::DIED = sub { 179$Event::DIED = sub {
147 warn "error in event callback: @_"; 180 warn "error in event callback: @_";
148}; 181};
149 182
150my %ext_pkg;
151my @exts;
152my @hook;
153
154=head2 UTILITY FUNCTIONS 183=head2 UTILITY FUNCTIONS
155 184
156=over 4 185=over 4
157 186
187=item dumpval $ref
188
158=cut 189=cut
190
191sub dumpval {
192 eval {
193 local $SIG{__DIE__};
194 my $d;
195 if (1) {
196 $d = new Data::Dumper([$_[0]], ["*var"]);
197 $d->Terse(1);
198 $d->Indent(2);
199 $d->Quotekeys(0);
200 $d->Useqq(1);
201 #$d->Bless(...);
202 $d->Seen($_[1]) if @_ > 1;
203 $d = $d->Dump();
204 }
205 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206 $d
207 } || "[unable to dump $_[0]: '$@']";
208}
159 209
160use JSON::Syck (); # TODO# replace by JSON::PC once working 210use JSON::Syck (); # TODO# replace by JSON::PC once working
161 211
162=item $ref = cf::from_json $json 212=item $ref = cf::from_json $json
163 213
224} 274}
225 275
226sub freeze_mainloop { 276sub freeze_mainloop {
227 return unless $TICK_WATCHER->is_active; 277 return unless $TICK_WATCHER->is_active;
228 278
229 my $guard = Coro::guard { $TICK_WATCHER->start }; 279 my $guard = Coro::guard {
280 $TICK_WATCHER->start;
281 };
230 $TICK_WATCHER->stop; 282 $TICK_WATCHER->stop;
231 $guard 283 $guard
232} 284}
285
286=item cf::async { BLOCK }
287
288Currently the same as Coro::async_pool, meaning you cannot use
289C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
290thing you are allowed to do is call C<prio> on it.
291
292=cut
293
294BEGIN { *async = \&Coro::async_pool }
233 295
234=item cf::sync_job { BLOCK } 296=item cf::sync_job { BLOCK }
235 297
236The design of crossfire+ requires that the main coro ($Coro::main) is 298The design of crossfire+ requires that the main coro ($Coro::main) is
237always able to handle events or runnable, as crossfire+ is only partly 299always able to handle events or runnable, as crossfire+ is only partly
256 my $freeze_guard = freeze_mainloop; 318 my $freeze_guard = freeze_mainloop;
257 319
258 my $busy = 1; 320 my $busy = 1;
259 my @res; 321 my @res;
260 322
261 (Coro::async_pool { 323 (async {
262 @res = eval { $job->() }; 324 @res = eval { $job->() };
263 warn $@ if $@; 325 warn $@ if $@;
264 undef $busy; 326 undef $busy;
265 })->prio (Coro::PRIO_MAX); 327 })->prio (Coro::PRIO_MAX);
266 328
267 while ($busy) { 329 while ($busy) {
268 Coro::cede_notself; 330 Coro::cede or Event::one_event;
269 Event::one_event unless Coro::nready;
270 } 331 }
271 332
272 wantarray ? @res : $res[0] 333 wantarray ? @res : $res[0]
273 } else { 334 } else {
274 # we are in another coroutine, how wonderful, everything just works 335 # we are in another coroutine, how wonderful, everything just works
275 336
276 $job->() 337 $job->()
277 } 338 }
278} 339}
279 340
280=item $coro = cf::coro { BLOCK } 341=item $coro = cf::async_ext { BLOCK }
281 342
282Creates (and readies) and returns a new coro. This coro is automcatially 343Like async, but this coro is automatically being canceled when the
283being canceled when the extension calling this is being unloaded. 344extension calling this is being unloaded.
284 345
285=cut 346=cut
286 347
287sub coro(&) { 348sub async_ext(&) {
288 my $cb = shift; 349 my $cb = shift;
289 350
290 my $coro = &Coro::async_pool ($cb); 351 my $coro = &Coro::async ($cb);
291 352
292 $coro->on_destroy (sub { 353 $coro->on_destroy (sub {
293 delete $EXT_CORO{$coro+0}; 354 delete $EXT_CORO{$coro+0};
294 }); 355 });
295 $EXT_CORO{$coro+0} = $coro; 356 $EXT_CORO{$coro+0} = $coro;
296 357
297 $coro 358 $coro
298} 359}
299 360
300sub write_runtime { 361sub write_runtime {
362 my $guard = cf::lock_acquire "write_runtime";
363
301 my $runtime = cf::localdir . "/runtime"; 364 my $runtime = cf::localdir . "/runtime";
302 365
303 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 366 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304 or return; 367 or return;
305 368
369 my $value = $cf::RUNTIME + 90 + 10;
306 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 370 # 10 is the runtime save interval, for a monotonic clock
371 # 60 allows for the watchdog to kill the server.
372
307 (aio_write $fh, 0, (length $value), $value, 0) <= 0 373 (aio_write $fh, 0, (length $value), $value, 0) <= 0
308 and return; 374 and return;
309 375
376 # always fsync - this file is important
310 aio_fsync $fh 377 aio_fsync $fh
311 and return; 378 and return;
312 379
313 close $fh 380 close $fh
314 or return; 381 or return;
320} 387}
321 388
322=back 389=back
323 390
324=cut 391=cut
325
326#############################################################################
327
328package cf::path;
329
330sub new {
331 my ($class, $path, $base) = @_;
332
333 $path = $path->as_string if ref $path;
334
335 my $self = bless { }, $class;
336
337 # {... are special paths that are not touched
338 # ?xxx/... are special absolute paths
339 # ?random/... random maps
340 # /! non-realised random map exit
341 # /... normal maps
342 # ~/... per-player maps without a specific player (DO NOT USE)
343 # ~user/... per-player map of a specific user
344
345 if ($path =~ /^{/) {
346 # fine as it is
347 } elsif ($path =~ s{^\?random/}{}) {
348 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349 $self->{random} = cf::from_json $data;
350 } else {
351 if ($path =~ s{^~([^/]+)?}{}) {
352 $self->{user_rel} = 1;
353
354 if (defined $1) {
355 $self->{user} = $1;
356 } elsif ($base =~ m{^~([^/]+)/}) {
357 $self->{user} = $1;
358 } else {
359 warn "cannot resolve user-relative path without user <$path,$base>\n";
360 }
361 } elsif ($path =~ /^\//) {
362 # already absolute
363 } else {
364 $base =~ s{[^/]+/?$}{};
365 return $class->new ("$base/$path");
366 }
367
368 for ($path) {
369 redo if s{/\.?/}{/};
370 redo if s{/[^/]+/\.\./}{/};
371 }
372 }
373
374 $self->{path} = $path;
375
376 $self
377}
378
379# the name / primary key / in-game path
380sub as_string {
381 my ($self) = @_;
382
383 $self->{user_rel} ? "~$self->{user}$self->{path}"
384 : $self->{random} ? "?random/$self->{path}"
385 : $self->{path}
386}
387
388# the displayed name, this is a one way mapping
389sub visible_name {
390 my ($self) = @_;
391
392# if (my $rmp = $self->{random}) {
393# # todo: be more intelligent about this
394# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395# } else {
396 $self->as_string
397# }
398}
399
400# escape the /'s in the path
401sub _escaped_path {
402 # ∕ is U+2215
403 (my $path = $_[0]{path}) =~ s/\//∕/g;
404 $path
405}
406
407# the original (read-only) location
408sub load_path {
409 my ($self) = @_;
410
411 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412}
413
414# the temporary/swap location
415sub save_path {
416 my ($self) = @_;
417
418 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421}
422
423# the unique path, might be eq to save_path
424sub uniq_path {
425 my ($self) = @_;
426
427 $self->{user_rel} || $self->{random}
428 ? undef
429 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430}
431
432# return random map parameters, or undef
433sub random_map_params {
434 my ($self) = @_;
435
436 $self->{random}
437}
438
439# this is somewhat ugly, but style maps do need special treatment
440sub is_style_map {
441 $_[0]{path} =~ m{^/styles/}
442}
443
444package cf;
445 392
446############################################################################# 393#############################################################################
447 394
448=head2 ATTACHABLE OBJECTS 395=head2 ATTACHABLE OBJECTS
449 396
575our @CB_TYPE = (); # registry for type (cf-object class) based events 522our @CB_TYPE = (); # registry for type (cf-object class) based events
576our @CB_MAP = (); 523our @CB_MAP = ();
577 524
578my %attachment; 525my %attachment;
579 526
527sub cf::attachable::thawer_merge {
528 # simply override everything except _meta
529 local $_[0]{_meta};
530 %{$_[0]} = %{$_[1]};
531}
532
580sub _attach_cb($$$$) { 533sub _attach_cb($$$$) {
581 my ($registry, $event, $prio, $cb) = @_; 534 my ($registry, $event, $prio, $cb) = @_;
582 535
583 use sort 'stable'; 536 use sort 'stable';
584 537
755# object support 708# object support
756 709
757sub reattach { 710sub reattach {
758 # basically do the same as instantiate, without calling instantiate 711 # basically do the same as instantiate, without calling instantiate
759 my ($obj) = @_; 712 my ($obj) = @_;
713
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760 715
761 my $registry = $obj->registry; 716 my $registry = $obj->registry;
762 717
763 @$registry = (); 718 @$registry = ();
764 719
811 $filename, length $$rdata, scalar @$objs; 766 $filename, length $$rdata, scalar @$objs;
812 767
813 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814 chmod SAVE_MODE, $fh; 769 chmod SAVE_MODE, $fh;
815 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 770 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816 aio_fsync $fh; 771 aio_fsync $fh if $cf::USE_FSYNC;
817 close $fh; 772 close $fh;
818 773
819 if (@$objs) { 774 if (@$objs) {
820 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 775 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
821 chmod SAVE_MODE, $fh; 776 chmod SAVE_MODE, $fh;
822 my $data = Storable::nfreeze { version => 1, objs => $objs }; 777 my $data = Storable::nfreeze { version => 1, objs => $objs };
823 aio_write $fh, 0, (length $data), $data, 0; 778 aio_write $fh, 0, (length $data), $data, 0;
824 aio_fsync $fh; 779 aio_fsync $fh if $cf::USE_FSYNC;
825 close $fh; 780 close $fh;
826 aio_rename "$filename.pst~", "$filename.pst"; 781 aio_rename "$filename.pst~", "$filename.pst";
827 } 782 }
828 } else { 783 } else {
829 aio_unlink "$filename.pst"; 784 aio_unlink "$filename.pst";
896=cut 851=cut
897 852
898sub register_extcmd { 853sub register_extcmd {
899 my ($name, $cb) = @_; 854 my ($name, $cb) = @_;
900 855
901 my $caller = caller;
902 #warn "registering extcmd '$name' to '$caller'";
903
904 $EXTCMD{$name} = [$cb, $caller]; 856 $EXTCMD{$name} = $cb;
905} 857}
906 858
907cf::player->attach ( 859cf::player->attach (
908 on_command => sub { 860 on_command => sub {
909 my ($pl, $name, $params) = @_; 861 my ($pl, $name, $params) = @_;
922 874
923 my $msg = eval { from_json $buf }; 875 my $msg = eval { from_json $buf };
924 876
925 if (ref $msg) { 877 if (ref $msg) {
926 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 878 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927 if (my %reply = $cb->[0]->($pl, $msg)) { 879 if (my %reply = $cb->($pl, $msg)) {
928 $pl->ext_reply ($msg->{msgid}, %reply); 880 $pl->ext_reply ($msg->{msgid}, %reply);
929 } 881 }
930 } 882 }
931 } else { 883 } else {
932 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
934 886
935 cf::override; 887 cf::override;
936 }, 888 },
937); 889);
938 890
939sub register {
940 my ($base, $pkg) = @_;
941
942 #TODO
943}
944
945sub load_extension { 891sub load_extension {
946 my ($path) = @_; 892 my ($path) = @_;
947 893
948 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
949 my $base = $1; 895 my $base = $1;
950 my $pkg = $1; 896 my $pkg = $1;
951 $pkg =~ s/[^[:word:]]/_/g; 897 $pkg =~ s/[^[:word:]]/_/g;
952 $pkg = "ext::$pkg"; 898 $pkg = "ext::$pkg";
953 899
954 warn "loading '$path' into '$pkg'\n"; 900 warn "... loading '$path' into '$pkg'\n";
955 901
956 open my $fh, "<:utf8", $path 902 open my $fh, "<:utf8", $path
957 or die "$path: $!"; 903 or die "$path: $!";
958 904
959 my $source = 905 my $source =
960 "package $pkg; use strict; use utf8;\n" 906 "package $pkg; use strict; use utf8;\n"
961 . "#line 1 \"$path\"\n{\n" 907 . "#line 1 \"$path\"\n{\n"
962 . (do { local $/; <$fh> }) 908 . (do { local $/; <$fh> })
963 . "\n};\n1"; 909 . "\n};\n1";
964 910
965 eval $source 911 unless (eval $source) {
966 or die $@ ? "$path: $@\n" 912 my $msg = $@ ? "$path: $@\n"
967 : "extension disabled.\n"; 913 : "extension disabled.\n";
968 914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969 push @exts, $pkg; 915 warn $@;
970 $ext_pkg{$base} = $pkg; 916 warn "mandatory extension failed to load, exiting.\n";
971 917 exit 1;
972# no strict 'refs'; 918 }
973# @{"$pkg\::ISA"} = ext::; 919 die $@;
974
975 register $base, $pkg;
976}
977
978sub unload_extension {
979 my ($pkg) = @_;
980
981 warn "removing extension $pkg\n";
982
983 # remove hooks
984 #TODO
985# for my $idx (0 .. $#PLUGIN_EVENT) {
986# delete $hook[$idx]{$pkg};
987# } 920 }
988 921
989 # remove commands 922 push @EXTS, $pkg;
990 for my $name (keys %COMMAND) {
991 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993 if (@cb) {
994 $COMMAND{$name} = \@cb;
995 } else {
996 delete $COMMAND{$name};
997 }
998 }
999
1000 # remove extcmds
1001 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002 delete $EXTCMD{$name};
1003 }
1004
1005 if (my $cb = $pkg->can ("unload")) {
1006 eval {
1007 $cb->($pkg);
1008 1
1009 } or warn "$pkg unloaded, but with errors: $@";
1010 }
1011
1012 Symbol::delete_package $pkg;
1013} 923}
1014 924
1015sub load_extensions { 925sub load_extensions {
1016 for my $ext (<$LIBDIR/*.ext>) { 926 for my $ext (<$LIBDIR/*.ext>) {
1017 next unless -r $ext; 927 next unless -r $ext;
1021 } or warn "$ext not loaded: $@"; 931 } or warn "$ext not loaded: $@";
1022 } 932 }
1023} 933}
1024 934
1025############################################################################# 935#############################################################################
1026# load/save/clean perl data associated with a map
1027
1028*cf::mapsupport::on_clean = sub {
1029 my ($map) = @_;
1030
1031 my $path = $map->tmpname;
1032 defined $path or return;
1033
1034 unlink "$path.pst";
1035};
1036
1037cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039#############################################################################
1040# load/save perl data associated with player->ob objects
1041
1042sub all_objects(@) {
1043 @_, map all_objects ($_->inv), @_
1044}
1045
1046# TODO: compatibility cruft, remove when no longer needed
1047cf::player->attach (
1048 on_load => sub {
1049 my ($pl, $path) = @_;
1050
1051 for my $o (all_objects $pl->ob) {
1052 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053 $o->set_ob_key_value ("_perl_data");
1054
1055 %$o = %{ Storable::thaw pack "H*", $value };
1056 }
1057 }
1058 },
1059);
1060
1061#############################################################################
1062 936
1063=head2 CORE EXTENSIONS 937=head2 CORE EXTENSIONS
1064 938
1065Functions and methods that extend core crossfire objects. 939Functions and methods that extend core crossfire objects.
1066 940
941=cut
942
943package cf::player;
944
945use Coro::AIO;
946
1067=head3 cf::player 947=head3 cf::player
1068 948
1069=over 4 949=over 4
1070 950
1071=item cf::player::exists $login 951=item cf::player::find $login
1072 952
1073Returns true when the given account exists. 953Returns the given player object, loading it if necessary (might block).
1074 954
1075=cut 955=cut
1076 956
1077sub cf::player::exists($) { 957sub playerdir($) {
1078 cf::player::find $_[0] 958 cf::localdir
1079 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963}
964
965sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967
968 (playerdir $login) . "/$login.pl"
969}
970
971sub find_active($) {
972 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active
974 and $cf::PLAYER{$_[0]}
975}
976
977sub exists($) {
978 my ($login) = @_;
979
980 $cf::PLAYER{$login}
981 or cf::sync_job { !aio_stat path $login }
982}
983
984sub find($) {
985 return $cf::PLAYER{$_[0]} || do {
986 my $login = $_[0];
987
988 my $guard = cf::lock_acquire "user_find:$login";
989
990 $cf::PLAYER{$_[0]} || do {
991 my $pl = load_pl path $login
992 or return;
993 $cf::PLAYER{$login} = $pl
994 }
995 }
996}
997
998sub save($) {
999 my ($pl) = @_;
1000
1001 return if $pl->{deny_save};
1002
1003 my $path = path $pl;
1004 my $guard = cf::lock_acquire "user_save:$path";
1005
1006 return if $pl->{deny_save};
1007
1008 aio_mkdir playerdir $pl, 0770;
1009 $pl->{last_save} = $cf::RUNTIME;
1010
1011 $pl->save_pl ($path);
1012 Coro::cede;
1013}
1014
1015sub new($) {
1016 my ($login) = @_;
1017
1018 my $self = create;
1019
1020 $self->ob->name ($login);
1021 $self->{deny_save} = 1;
1022
1023 $cf::PLAYER{$login} = $self;
1024
1025 $self
1026}
1027
1028=item $pl->quit_character
1029
1030Nukes the player without looking back. If logged in, the connection will
1031be destroyed. May block for a long time.
1032
1033=cut
1034
1035sub quit_character {
1036 my ($pl) = @_;
1037
1038 my $name = $pl->ob->name;
1039
1040 $pl->{deny_save} = 1;
1041 $pl->password ("*"); # this should lock out the player until we nuked the dir
1042
1043 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044 $pl->deactivate;
1045 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1046 $pl->ns->destroy if $pl->ns;
1047
1048 my $path = playerdir $pl;
1049 my $temp = "$path~$cf::RUNTIME~deleting~";
1050 aio_rename $path, $temp;
1051 delete $cf::PLAYER{$pl->ob->name};
1052 $pl->destroy;
1053
1054 my $prefix = qr<^~\Q$name\E/>;
1055
1056 # nuke player maps
1057 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1058
1059 IO::AIO::aio_rmtree $temp;
1060}
1061
1062=item $pl->kick
1063
1064Kicks a player out of the game. This destroys the connection.
1065
1066=cut
1067
1068sub kick {
1069 my ($pl, $kicker) = @_;
1070
1071 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1072 $pl->killer ("kicked");
1073 $pl->ns->destroy;
1074}
1075
1076=item cf::player::list_logins
1077
1078Returns am arrayref of all valid playernames in the system, can take a
1079while and may block, so not sync_job-capable, ever.
1080
1081=cut
1082
1083sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1085 or return [];
1086
1087 my @logins;
1088
1089 for my $login (@$dirs) {
1090 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1091 aio_read $fh, 0, 512, my $buf, 0 or next;
1092 $buf !~ /^password -------------$/m or next; # official not-valid tag
1093
1094 utf8::decode $login;
1095 push @logins, $login;
1096 }
1097
1098 \@logins
1099}
1100
1101=item $player->maps
1102
1103Returns an arrayref of map paths that are private for this
1104player. May block.
1105
1106=cut
1107
1108sub maps($) {
1109 my ($pl) = @_;
1110
1111 $pl = ref $pl ? $pl->ob->name : $pl;
1112
1113 my $files = aio_readdir playerdir $pl
1114 or return;
1115
1116 my @paths;
1117
1118 for (@$files) {
1119 utf8::decode $_;
1120 next if /\.(?:pl|pst)$/;
1121 next unless /^$PATH_SEP/o;
1122
1123 push @paths, cf::map::normalise "~$pl/$_";
1124 }
1125
1126 \@paths
1080} 1127}
1081 1128
1082=item $player->ext_reply ($msgid, $msgtype, %msg) 1129=item $player->ext_reply ($msgid, $msgtype, %msg)
1083 1130
1084Sends an ext reply to the player. 1131Sends an ext reply to the player.
1085 1132
1086=cut 1133=cut
1087 1134
1088sub cf::player::ext_reply($$$%) { 1135sub ext_reply($$$%) {
1089 my ($self, $id, %msg) = @_; 1136 my ($self, $id, %msg) = @_;
1090 1137
1091 $msg{msgid} = $id; 1138 $msg{msgid} = $id;
1092 1139
1093 $self->send ("ext " . to_json \%msg); 1140 $self->send ("ext " . cf::to_json \%msg);
1094} 1141}
1142
1143package cf;
1095 1144
1096=back 1145=back
1097 1146
1098 1147
1099=head3 cf::map 1148=head3 cf::map
1105package cf::map; 1154package cf::map;
1106 1155
1107use Fcntl; 1156use Fcntl;
1108use Coro::AIO; 1157use Coro::AIO;
1109 1158
1159use overload
1160 '""' => \&as_string,
1161 fallback => 1;
1162
1110our $MAX_RESET = 3600; 1163our $MAX_RESET = 3600;
1111our $DEFAULT_RESET = 3000; 1164our $DEFAULT_RESET = 3000;
1112 1165
1113sub generate_random_map { 1166sub generate_random_map {
1114 my ($path, $rmp) = @_; 1167 my ($self, $rmp) = @_;
1115
1116 # mit "rum" bekleckern, nicht 1168 # mit "rum" bekleckern, nicht
1117 cf::map::_create_random_map 1169 $self->_create_random_map (
1118 $path,
1119 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1170 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1171 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1172 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122 $rmp->{exit_on_final_map}, 1173 $rmp->{exit_on_final_map},
1123 $rmp->{xsize}, $rmp->{ysize}, 1174 $rmp->{xsize}, $rmp->{ysize},
1124 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1175 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1176 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1177 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1178 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1128 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1179 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129 (cf::region::find $rmp->{region}) 1180 (cf::region::find $rmp->{region}), $rmp->{custom}
1181 )
1182}
1183
1184=item cf::map->register ($regex, $prio)
1185
1186Register a handler for the map path matching the given regex at the
1187givne priority (higher is better, built-in handlers have priority 0, the
1188default).
1189
1190=cut
1191
1192sub register {
1193 my (undef, $regex, $prio) = @_;
1194 my $pkg = caller;
1195
1196 no strict;
1197 push @{"$pkg\::ISA"}, __PACKAGE__;
1198
1199 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200}
1201
1202# also paths starting with '/'
1203$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1204
1205sub thawer_merge {
1206 my ($self, $merge) = @_;
1207
1208 # we have to keep some variables in memory intact
1209 local $self->{path};
1210 local $self->{load_path};
1211 local $self->{deny_save};
1212 local $self->{deny_reset};
1213
1214 $self->SUPER::thawer_merge ($merge);
1215}
1216
1217sub normalise {
1218 my ($path, $base) = @_;
1219
1220 $path = "$path"; # make sure its a string
1221
1222 $path =~ s/\.map$//;
1223
1224 # map plan:
1225 #
1226 # /! non-realised random map exit (special hack!)
1227 # {... are special paths that are not being touched
1228 # ?xxx/... are special absolute paths
1229 # ?random/... random maps
1230 # /... normal maps
1231 # ~user/... per-player map of a specific user
1232
1233 $path =~ s/$PATH_SEP/\//go;
1234
1235 # treat it as relative path if it starts with
1236 # something that looks reasonable
1237 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1238 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1239
1240 $base =~ s{[^/]+/?$}{};
1241 $path = "$base/$path";
1242 }
1243
1244 for ($path) {
1245 redo if s{//}{/};
1246 redo if s{/\.?/}{/};
1247 redo if s{/[^/]+/\.\./}{/};
1248 }
1249
1250 $path
1251}
1252
1253sub new_from_path {
1254 my (undef, $path, $base) = @_;
1255
1256 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1257
1258 $path = normalise $path, $base;
1259
1260 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1261 if ($path =~ $EXT_MAP{$pkg}[1]) {
1262 my $self = bless cf::map::new, $pkg;
1263 $self->{path} = $path; $self->path ($path);
1264 $self->init; # pass $1 etc.
1265 return $self;
1266 }
1267 }
1268
1269 Carp::carp "unable to resolve path '$path' (base '$base').";
1270 ()
1271}
1272
1273sub init {
1274 my ($self) = @_;
1275
1276 $self
1277}
1278
1279sub as_string {
1280 my ($self) = @_;
1281
1282 "$self->{path}"
1283}
1284
1285# the displayed name, this is a one way mapping
1286sub visible_name {
1287 &as_string
1288}
1289
1290# the original (read-only) location
1291sub load_path {
1292 my ($self) = @_;
1293
1294 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1295}
1296
1297# the temporary/swap location
1298sub save_path {
1299 my ($self) = @_;
1300
1301 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1303}
1304
1305# the unique path, undef == no special unique path
1306sub uniq_path {
1307 my ($self) = @_;
1308
1309 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1130} 1311}
1131 1312
1132# and all this just because we cannot iterate over 1313# and all this just because we cannot iterate over
1133# all maps in C++... 1314# all maps in C++...
1134sub change_all_map_light { 1315sub change_all_map_light {
1136 1317
1137 $_->change_map_light ($change) 1318 $_->change_map_light ($change)
1138 for grep $_->outdoor, values %cf::MAP; 1319 for grep $_->outdoor, values %cf::MAP;
1139} 1320}
1140 1321
1322sub unlink_save {
1323 my ($self) = @_;
1324
1325 utf8::encode (my $save = $self->save_path);
1326 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1327 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1328}
1329
1141sub try_load_header($) { 1330sub load_header_from($) {
1142 my ($path) = @_; 1331 my ($self, $path) = @_;
1143 1332
1144 utf8::encode $path; 1333 utf8::encode $path;
1145 aio_open $path, O_RDONLY, 0 1334 #aio_open $path, O_RDONLY, 0
1335 # or return;
1336
1337 $self->_load_header ($path)
1146 or return; 1338 or return;
1147 1339
1148 my $map = cf::map::new 1340 $self->{load_path} = $path;
1341
1342 1
1343}
1344
1345sub load_header_orig {
1346 my ($self) = @_;
1347
1348 $self->load_header_from ($self->load_path)
1349}
1350
1351sub load_header_temp {
1352 my ($self) = @_;
1353
1354 $self->load_header_from ($self->save_path)
1355}
1356
1357sub prepare_temp {
1358 my ($self) = @_;
1359
1360 $self->last_access ((delete $self->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $self->{instantiate_time} = $cf::RUNTIME
1364 if $self->{instantiate_time} > $cf::RUNTIME;
1365}
1366
1367sub prepare_orig {
1368 my ($self) = @_;
1369
1370 $self->{load_original} = 1;
1371 $self->{instantiate_time} = $cf::RUNTIME;
1372 $self->last_access ($cf::RUNTIME);
1373 $self->instantiate;
1374}
1375
1376sub load_header {
1377 my ($self) = @_;
1378
1379 if ($self->load_header_temp) {
1380 $self->prepare_temp;
1381 } else {
1382 $self->load_header_orig
1149 or return; 1383 or return;
1384 $self->prepare_orig;
1385 }
1150 1386
1151 # for better error messages only, will be overwritten 1387 1
1152 $map->path ($path);
1153
1154 $map->load_header ($path)
1155 or return;
1156
1157 $map->{load_path} = $path;
1158
1159 $map
1160} 1388}
1161 1389
1162sub find; 1390sub find;
1163sub find { 1391sub find {
1164 my ($path, $origin) = @_; 1392 my ($path, $origin) = @_;
1165 1393
1166 #warn "find<$path,$origin>\n";#d#
1167
1168 $path = new cf::path $path, $origin && $origin->path; 1394 $path = normalise $path, $origin && $origin->path;
1169 my $key = $path->as_string;
1170 1395
1171 cf::lock_wait "map_find:$key"; 1396 cf::lock_wait "map_find:$path";
1172 1397
1173 $cf::MAP{$key} || do { 1398 $cf::MAP{$path} || do {
1174 my $guard = cf::lock_acquire "map_find:$key"; 1399 my $guard = cf::lock_acquire "map_find:$path";
1175 1400 my $map = new_from_path cf::map $path
1176 # do it the slow way
1177 my $map = try_load_header $path->save_path;
1178
1179 Coro::cede;
1180
1181 if ($map) {
1182 $map->last_access ((delete $map->{last_access})
1183 || $cf::RUNTIME); #d#
1184 # safety
1185 $map->{instantiate_time} = $cf::RUNTIME
1186 if $map->{instantiate_time} > $cf::RUNTIME;
1187 } else {
1188 if (my $rmp = $path->random_map_params) {
1189 $map = generate_random_map $key, $rmp;
1190 } else {
1191 $map = try_load_header $path->load_path;
1192 }
1193
1194 $map or return; 1401 or return;
1195 1402
1196 $map->{load_original} = 1;
1197 $map->{instantiate_time} = $cf::RUNTIME;
1198 $map->last_access ($cf::RUNTIME);
1199 $map->instantiate;
1200
1201 # per-player maps become, after loading, normal maps
1202 $map->per_player (0) if $path->{user_rel};
1203 }
1204
1205 $map->path ($key);
1206 $map->{path} = $path;
1207 $map->{last_save} = $cf::RUNTIME; 1403 $map->{last_save} = $cf::RUNTIME;
1208 1404
1209 Coro::cede; 1405 $map->load_header
1406 or return;
1210 1407
1211 if ($map->should_reset) { 1408 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1409 # doing this can freeze the server in a sync job, obviously
1410 #$cf::WAIT_FOR_TICK->wait;
1212 $map->reset; 1411 $map->reset;
1213 undef $guard; 1412 undef $guard;
1214 $map = find $path 1413 return find $path;
1215 or return;
1216 } 1414 }
1217 1415
1218 $cf::MAP{$key} = $map 1416 $cf::MAP{$path} = $map
1219 } 1417 }
1220} 1418}
1419
1420sub pre_load { }
1421sub post_load { }
1221 1422
1222sub load { 1423sub load {
1223 my ($self) = @_; 1424 my ($self) = @_;
1224 1425
1426 local $self->{deny_reset} = 1; # loading can take a long time
1427
1225 my $path = $self->{path}; 1428 my $path = $self->{path};
1226 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1429 my $guard = cf::lock_acquire "map_load:$path";
1227 1430
1228 return if $self->in_memory != cf::MAP_SWAPPED; 1431 return if $self->in_memory != cf::MAP_SWAPPED;
1229 1432
1230 $self->in_memory (cf::MAP_LOADING); 1433 $self->in_memory (cf::MAP_LOADING);
1231 1434
1232 $self->alloc; 1435 $self->alloc;
1436
1437 $self->pre_load;
1438
1233 $self->load_objects ($self->{load_path}, 1) 1439 $self->_load_objects ($self->{load_path}, 1)
1234 or return; 1440 or return;
1235 1441
1236 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1442 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237 if delete $self->{load_original}; 1443 if delete $self->{load_original};
1238 1444
1239 if (my $uniq = $path->uniq_path) { 1445 if (my $uniq = $self->uniq_path) {
1240 utf8::encode $uniq; 1446 utf8::encode $uniq;
1241 if (aio_open $uniq, O_RDONLY, 0) { 1447 if (aio_open $uniq, O_RDONLY, 0) {
1242 $self->clear_unique_items; 1448 $self->clear_unique_items;
1243 $self->load_objects ($uniq, 0); 1449 $self->_load_objects ($uniq, 0);
1244 } 1450 }
1245 } 1451 }
1246 1452
1247 Coro::cede; 1453 Coro::cede;
1248 1454
1249 # now do the right thing for maps 1455 # now do the right thing for maps
1250 $self->link_multipart_objects; 1456 $self->link_multipart_objects;
1251 1457
1252 if ($self->{path}->is_style_map) { 1458 unless ($self->{deny_activate}) {
1253 $self->{deny_save} = 1; 1459 $self->decay_objects;
1254 $self->{deny_reset} = 1;
1255 } else {
1256 $self->fix_auto_apply; 1460 $self->fix_auto_apply;
1257 $self->decay_objects;
1258 $self->update_buttons; 1461 $self->update_buttons;
1462 Coro::cede;
1259 $self->set_darkness_map; 1463 $self->set_darkness_map;
1260 $self->difficulty ($self->estimate_difficulty) 1464 $self->difficulty ($self->estimate_difficulty)
1261 unless $self->difficulty; 1465 unless $self->difficulty;
1466 Coro::cede;
1262 $self->activate; 1467 $self->activate;
1263 } 1468 }
1264 1469
1265 Coro::cede; 1470 $self->post_load;
1266 1471
1267 $self->in_memory (cf::MAP_IN_MEMORY); 1472 $self->in_memory (cf::MAP_IN_MEMORY);
1473}
1474
1475sub customise_for {
1476 my ($self, $ob) = @_;
1477
1478 return find "~" . $ob->name . "/" . $self->{path}
1479 if $self->per_player;
1480
1481 $self
1482}
1483
1484# find and load all maps in the 3x3 area around a map
1485sub load_diag {
1486 my ($map) = @_;
1487
1488 my @diag; # diagonal neighbours
1489
1490 for (0 .. 3) {
1491 my $neigh = $map->tile_path ($_)
1492 or next;
1493 $neigh = find $neigh, $map
1494 or next;
1495 $neigh->load;
1496
1497 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1498 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1499 }
1500
1501 for (@diag) {
1502 my $neigh = find @$_
1503 or next;
1504 $neigh->load;
1505 }
1268} 1506}
1269 1507
1270sub find_sync { 1508sub find_sync {
1271 my ($path, $origin) = @_; 1509 my ($path, $origin) = @_;
1272 1510
1273 cf::sync_job { cf::map::find $path, $origin } 1511 cf::sync_job { find $path, $origin }
1274} 1512}
1275 1513
1276sub do_load_sync { 1514sub do_load_sync {
1277 my ($map) = @_; 1515 my ($map) = @_;
1278 1516
1279 cf::sync_job { $map->load }; 1517 cf::sync_job { $map->load };
1280} 1518}
1281 1519
1520our %MAP_PREFETCH;
1521our $MAP_PREFETCHER = undef;
1522
1523sub find_async {
1524 my ($path, $origin) = @_;
1525
1526 $path = normalise $path, $origin && $origin->{path};
1527
1528 if (my $map = $cf::MAP{$path}) {
1529 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1530 }
1531
1532 undef $MAP_PREFETCH{$path};
1533 $MAP_PREFETCHER ||= cf::async {
1534 while (%MAP_PREFETCH) {
1535 for my $path (keys %MAP_PREFETCH) {
1536 my $map = find $path
1537 or next;
1538 $map->load;
1539
1540 delete $MAP_PREFETCH{$path};
1541 }
1542 }
1543 undef $MAP_PREFETCHER;
1544 };
1545 $MAP_PREFETCHER->prio (6);
1546
1547 ()
1548}
1549
1282sub save { 1550sub save {
1283 my ($self) = @_; 1551 my ($self) = @_;
1284 1552
1285 my $lock = cf::lock_acquire "map_data:" . $self->path; 1553 my $lock = cf::lock_acquire "map_data:" . $self->path;
1286 1554
1287 $self->{last_save} = $cf::RUNTIME; 1555 $self->{last_save} = $cf::RUNTIME;
1288 1556
1289 return unless $self->dirty; 1557 return unless $self->dirty;
1290 1558
1291 my $save = $self->{path}->save_path; utf8::encode $save; 1559 my $save = $self->save_path; utf8::encode $save;
1292 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1560 my $uniq = $self->uniq_path; utf8::encode $uniq;
1293 1561
1294 $self->{load_path} = $save; 1562 $self->{load_path} = $save;
1295 1563
1296 return if $self->{deny_save}; 1564 return if $self->{deny_save};
1297 1565
1298 local $self->{last_access} = $self->last_access;#d# 1566 local $self->{last_access} = $self->last_access;#d#
1299 1567
1568 cf::async {
1569 $_->contr->save for $self->players;
1570 };
1571
1300 if ($uniq) { 1572 if ($uniq) {
1301 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1573 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302 $self->save_objects ($uniq, cf::IO_UNIQUES); 1574 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1303 } else { 1575 } else {
1304 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1576 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305 } 1577 }
1306} 1578}
1307 1579
1308sub swap_out { 1580sub swap_out {
1309 my ($self) = @_; 1581 my ($self) = @_;
1323 1595
1324sub reset_at { 1596sub reset_at {
1325 my ($self) = @_; 1597 my ($self) = @_;
1326 1598
1327 # TODO: safety, remove and allow resettable per-player maps 1599 # TODO: safety, remove and allow resettable per-player maps
1328 return 1e99 if $self->{path}{user_rel}; 1600 return 1e99 if $self->isa ("ext::map_per_player");#d#
1329 return 1e99 if $self->{deny_reset}; 1601 return 1e99 if $self->{deny_reset};
1330 1602
1331 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1603 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1604 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333 1605
1338 my ($self) = @_; 1610 my ($self) = @_;
1339 1611
1340 $self->reset_at <= $cf::RUNTIME 1612 $self->reset_at <= $cf::RUNTIME
1341} 1613}
1342 1614
1343sub unlink_save {
1344 my ($self) = @_;
1345
1346 utf8::encode (my $save = $self->{path}->save_path);
1347 aioreq_pri 3; IO::AIO::aio_unlink $save;
1348 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349}
1350
1351sub rename {
1352 my ($self, $new_path) = @_;
1353
1354 $self->unlink_save;
1355
1356 delete $cf::MAP{$self->path};
1357 $self->{path} = new cf::path $new_path;
1358 $self->path ($self->{path}->as_string);
1359 $cf::MAP{$self->path} = $self;
1360
1361 $self->save;
1362}
1363
1364sub reset { 1615sub reset {
1365 my ($self) = @_; 1616 my ($self) = @_;
1366 1617
1367 my $lock = cf::lock_acquire "map_data:" . $self->path; 1618 my $lock = cf::lock_acquire "map_data:$self->{path}";
1368 1619
1369 return if $self->players; 1620 return if $self->players;
1370 return if $self->{path}{user_rel};#d# 1621 return if $self->isa ("ext::map_per_player");#d#
1371 1622
1372 warn "resetting map ", $self->path;#d# 1623 warn "resetting map ", $self->path;#d#
1373 1624
1625 $self->in_memory (cf::MAP_SWAPPED);
1626
1627 # need to save uniques path
1628 unless ($self->{deny_save}) {
1629 my $uniq = $self->uniq_path; utf8::encode $uniq;
1630
1631 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1632 if $uniq;
1633 }
1634
1374 delete $cf::MAP{$self->path}; 1635 delete $cf::MAP{$self->path};
1636
1637 $self->clear;
1375 1638
1376 $_->clear_links_to ($self) for values %cf::MAP; 1639 $_->clear_links_to ($self) for values %cf::MAP;
1377 1640
1378 $self->unlink_save; 1641 $self->unlink_save;
1379 $self->destroy; 1642 $self->destroy;
1382my $nuke_counter = "aaaa"; 1645my $nuke_counter = "aaaa";
1383 1646
1384sub nuke { 1647sub nuke {
1385 my ($self) = @_; 1648 my ($self) = @_;
1386 1649
1650 delete $cf::MAP{$self->path};
1651
1652 $self->unlink_save;
1653
1654 bless $self, "cf::map";
1655 delete $self->{deny_reset};
1387 $self->{deny_save} = 1; 1656 $self->{deny_save} = 1;
1388 $self->reset_timeout (1); 1657 $self->reset_timeout (1);
1389 $self->rename ("{nuke}/" . ($nuke_counter++)); 1658 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659
1660 $cf::MAP{$self->path} = $self;
1661
1390 $self->reset; # polite request, might not happen 1662 $self->reset; # polite request, might not happen
1391} 1663}
1392 1664
1393sub customise_for { 1665=item cf::map::unique_maps
1394 my ($map, $ob) = @_;
1395 1666
1396 if ($map->per_player) { 1667Returns an arrayref of paths of all shared maps that have
1397 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1668instantiated unique items. May block.
1398 }
1399 1669
1400 $map 1670=cut
1401}
1402 1671
1403sub emergency_save { 1672sub unique_maps() {
1404 my $freeze_guard = cf::freeze_mainloop; 1673 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1674 or return;
1405 1675
1406 warn "enter emergency map save\n"; 1676 my @paths;
1407 1677
1408 cf::sync_job { 1678 for (@$files) {
1409 warn "begin emergency map save\n"; 1679 utf8::decode $_;
1410 $_->save for values %cf::MAP; 1680 next if /\.pst$/;
1681 next unless /^$PATH_SEP/o;
1682
1683 push @paths, cf::map::normalise $_;
1411 }; 1684 }
1412 1685
1413 warn "end emergency map save\n"; 1686 \@paths
1414} 1687}
1415 1688
1416package cf; 1689package cf;
1417 1690
1418=back 1691=back
1419 1692
1693=head3 cf::object
1694
1695=cut
1696
1697package cf::object;
1698
1699=over 4
1700
1701=item $ob->inv_recursive
1702
1703Returns the inventory of the object _and_ their inventories, recursively.
1704
1705=cut
1706
1707sub inv_recursive_;
1708sub inv_recursive_ {
1709 map { $_, inv_recursive_ $_->inv } @_
1710}
1711
1712sub inv_recursive {
1713 inv_recursive_ inv $_[0]
1714}
1715
1716package cf;
1717
1718=back
1420 1719
1421=head3 cf::object::player 1720=head3 cf::object::player
1422 1721
1423=over 4 1722=over 4
1424 1723
1464 1763
1465=item $player_object->enter_link 1764=item $player_object->enter_link
1466 1765
1467Freezes the player and moves him/her to a special map (C<{link}>). 1766Freezes the player and moves him/her to a special map (C<{link}>).
1468 1767
1469The player should be reaosnably safe there for short amounts of time. You 1768The player should be reasonably safe there for short amounts of time. You
1470I<MUST> call C<leave_link> as soon as possible, though. 1769I<MUST> call C<leave_link> as soon as possible, though.
1471 1770
1771Will never block.
1772
1472=item $player_object->leave_link ($map, $x, $y) 1773=item $player_object->leave_link ($map, $x, $y)
1473 1774
1474Moves the player out of the specila link map onto the given map. If the 1775Moves the player out of the special C<{link}> map onto the specified
1475map is not valid (or omitted), the player will be moved back to the 1776map. If the map is not valid (or omitted), the player will be moved back
1476location he/she was before the call to C<enter_link>, or, if that fails, 1777to the location he/she was before the call to C<enter_link>, or, if that
1477to the emergency map position. 1778fails, to the emergency map position.
1478 1779
1479Might block. 1780Might block.
1480 1781
1481=cut 1782=cut
1783
1784sub link_map {
1785 unless ($LINK_MAP) {
1786 $LINK_MAP = cf::map::find "{link}"
1787 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1788 $LINK_MAP->load;
1789 }
1790
1791 $LINK_MAP
1792}
1482 1793
1483sub cf::object::player::enter_link { 1794sub cf::object::player::enter_link {
1484 my ($self) = @_; 1795 my ($self) = @_;
1485 1796
1486 $self->deactivate_recursive; 1797 $self->deactivate_recursive;
1487 1798
1488 return if $self->map == $LINK_MAP; 1799 return if UNIVERSAL::isa $self->map, "ext::map_link";
1489 1800
1490 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1801 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491 if $self->map; 1802 if $self->map;
1492 1803
1493 $self->enter_map ($LINK_MAP, 20, 20); 1804 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1494} 1805}
1495 1806
1496sub cf::object::player::leave_link { 1807sub cf::object::player::leave_link {
1497 my ($self, $map, $x, $y) = @_; 1808 my ($self, $map, $x, $y) = @_;
1498 1809
1516 # use -1 or undef as default coordinates, not 0, 0 1827 # use -1 or undef as default coordinates, not 0, 0
1517 ($x, $y) = ($map->enter_x, $map->enter_y) 1828 ($x, $y) = ($map->enter_x, $map->enter_y)
1518 if $x <=0 && $y <= 0; 1829 if $x <=0 && $y <= 0;
1519 1830
1520 $map->load; 1831 $map->load;
1832 $map->load_diag;
1521 1833
1834 return unless $self->contr->active;
1522 $self->activate_recursive; 1835 $self->activate_recursive;
1836
1837 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523 $self->enter_map ($map, $x, $y); 1838 $self->enter_map ($map, $x, $y);
1524} 1839}
1525 1840
1526cf::player->attach ( 1841cf::player->attach (
1527 on_logout => sub { 1842 on_logout => sub {
1539 1854
1540 # try to abort aborted map switching on player login :) 1855 # try to abort aborted map switching on player login :)
1541 # should happen only on crashes 1856 # should happen only on crashes
1542 if ($pl->ob->{_link_pos}) { 1857 if ($pl->ob->{_link_pos}) {
1543 $pl->ob->enter_link; 1858 $pl->ob->enter_link;
1544 Coro::async_pool { 1859 (async {
1860 $pl->ob->reply (undef,
1861 "There was an internal problem at your last logout, "
1862 . "the server will try to bring you to your intended destination in a second.",
1863 cf::NDI_RED);
1545 # we need this sleep as the login has a concurrent enter_exit running 1864 # we need this sleep as the login has a concurrent enter_exit running
1546 # and this sleep increases chances of the player not ending up in scorn 1865 # and this sleep increases chances of the player not ending up in scorn
1547 Coro::Timer::sleep 1; 1866 Coro::Timer::sleep 1;
1548 $pl->ob->leave_link; 1867 $pl->ob->leave_link;
1549 }; 1868 })->prio (2);
1550 } 1869 }
1551 }, 1870 },
1552); 1871);
1553 1872
1554=item $player_object->goto ($path, $x, $y) 1873=item $player_object->goto ($path, $x, $y)
1558sub cf::object::player::goto { 1877sub cf::object::player::goto {
1559 my ($self, $path, $x, $y) = @_; 1878 my ($self, $path, $x, $y) = @_;
1560 1879
1561 $self->enter_link; 1880 $self->enter_link;
1562 1881
1563 (Coro::async_pool { 1882 (async {
1564 $path = new cf::path $path; 1883 my $map = eval {
1565
1566 my $map = cf::map::find $path->as_string; 1884 my $map = cf::map::find $path;
1567 $map = $map->customise_for ($self) if $map; 1885 $map = $map->customise_for ($self) if $map;
1568 1886 $map
1569# warn "entering ", $map->path, " at ($x, $y)\n" 1887 } or
1570# if $map;
1571
1572 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1888 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573 1889
1574 $self->leave_link ($map, $x, $y); 1890 $self->leave_link ($map, $x, $y);
1575 })->prio (1); 1891 })->prio (1);
1576} 1892}
1577 1893
1581 1897
1582sub parse_random_map_params { 1898sub parse_random_map_params {
1583 my ($spec) = @_; 1899 my ($spec) = @_;
1584 1900
1585 my $rmp = { # defaults 1901 my $rmp = { # defaults
1586 xsize => 10, 1902 xsize => (cf::rndm 15, 40),
1587 ysize => 10, 1903 ysize => (cf::rndm 15, 40),
1904 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1905 #layout => string,
1588 }; 1906 };
1589 1907
1590 for (split /\n/, $spec) { 1908 for (split /\n/, $spec) {
1591 my ($k, $v) = split /\s+/, $_, 2; 1909 my ($k, $v) = split /\s+/, $_, 2;
1592 1910
1596 $rmp 1914 $rmp
1597} 1915}
1598 1916
1599sub prepare_random_map { 1917sub prepare_random_map {
1600 my ($exit) = @_; 1918 my ($exit) = @_;
1919
1920 my $guard = cf::lock_acquire "exit_prepare:$exit";
1601 1921
1602 # all this does is basically replace the /! path by 1922 # all this does is basically replace the /! path by
1603 # a new random map path (?random/...) with a seed 1923 # a new random map path (?random/...) with a seed
1604 # that depends on the exit object 1924 # that depends on the exit object
1605 1925
1606 my $rmp = parse_random_map_params $exit->msg; 1926 my $rmp = parse_random_map_params $exit->msg;
1607 1927
1608 if ($exit->map) { 1928 if ($exit->map) {
1609 $rmp->{region} = $exit->map->region_name; 1929 $rmp->{region} = $exit->region->name;
1610 $rmp->{origin_map} = $exit->map->path; 1930 $rmp->{origin_map} = $exit->map->path;
1611 $rmp->{origin_x} = $exit->x; 1931 $rmp->{origin_x} = $exit->x;
1612 $rmp->{origin_y} = $exit->y; 1932 $rmp->{origin_y} = $exit->y;
1613 } 1933 }
1614 1934
1615 $rmp->{random_seed} ||= $exit->random_seed; 1935 $rmp->{random_seed} ||= $exit->random_seed;
1616 1936
1617 my $data = cf::to_json $rmp; 1937 my $data = cf::to_json $rmp;
1618 my $md5 = Digest::MD5::md5_hex $data; 1938 my $md5 = Digest::MD5::md5_hex $data;
1939 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619 1940
1620 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1941 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1621 aio_write $fh, 0, (length $data), $data, 0; 1942 aio_write $fh, 0, (length $data), $data, 0;
1943 undef $fh;
1944 aio_rename "$meta~", $meta;
1622 1945
1623 $exit->slaying ("?random/$md5"); 1946 $exit->slaying ("?random/$md5");
1624 $exit->msg (undef); 1947 $exit->msg (undef);
1625 } 1948 }
1626} 1949}
1628sub cf::object::player::enter_exit { 1951sub cf::object::player::enter_exit {
1629 my ($self, $exit) = @_; 1952 my ($self, $exit) = @_;
1630 1953
1631 return unless $self->type == cf::PLAYER; 1954 return unless $self->type == cf::PLAYER;
1632 1955
1956 if ($exit->slaying eq "/!") {
1957 #TODO: this should de-fi-ni-te-ly not be a sync-job
1958 cf::sync_job { prepare_random_map $exit };
1959 }
1960
1961 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962 my $hp = $exit->stats->hp;
1963 my $sp = $exit->stats->sp;
1964
1633 $self->enter_link; 1965 $self->enter_link;
1634 1966
1635 (Coro::async_pool { 1967 (async {
1636 $self->deactivate_recursive; # just to be sure 1968 $self->deactivate_recursive; # just to be sure
1637 unless (eval { 1969 unless (eval {
1638 prepare_random_map $exit 1970 $self->goto ($slaying, $hp, $sp);
1639 if $exit->slaying eq "/!";
1640
1641 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643 1971
1644 1; 1972 1;
1645 }) { 1973 }) {
1646 $self->message ("Something went wrong deep within the crossfire server. " 1974 $self->message ("Something went wrong deep within the crossfire server. "
1647 . "I'll try to bring you back to the map you were before. " 1975 . "I'll try to bring you back to the map you were before. "
1648 . "Please report this to the dungeon master", 1976 . "Please report this to the dungeon master!",
1649 cf::NDI_UNIQUE | cf::NDI_RED); 1977 cf::NDI_UNIQUE | cf::NDI_RED);
1650 1978
1651 warn "ERROR in enter_exit: $@"; 1979 warn "ERROR in enter_exit: $@";
1652 $self->leave_link; 1980 $self->leave_link;
1653 } 1981 }
1667 1995
1668sub cf::client::send_drawinfo { 1996sub cf::client::send_drawinfo {
1669 my ($self, $text, $flags) = @_; 1997 my ($self, $text, $flags) = @_;
1670 1998
1671 utf8::encode $text; 1999 utf8::encode $text;
1672 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2000 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1673} 2001}
1674 2002
1675 2003
1676=item $success = $client->query ($flags, "text", \&cb) 2004=item $success = $client->query ($flags, "text", \&cb)
1677 2005
1708 # get handled first 2036 # get handled first
1709 my $queue = delete $ns->{query_queue} 2037 my $queue = delete $ns->{query_queue}
1710 or return; # be conservative, not sure how that can happen, but we saw a crash here 2038 or return; # be conservative, not sure how that can happen, but we saw a crash here
1711 2039
1712 (shift @$queue)->[1]->($msg); 2040 (shift @$queue)->[1]->($msg);
2041 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713 2042
1714 push @{ $ns->{query_queue} }, @$queue; 2043 push @{ $ns->{query_queue} }, @$queue;
1715 2044
1716 if (@{ $ns->{query_queue} } == @$queue) { 2045 if (@{ $ns->{query_queue} } == @$queue) {
1717 if (@$queue) { 2046 if (@$queue) {
1721 } 2050 }
1722 } 2051 }
1723 }, 2052 },
1724); 2053);
1725 2054
1726=item $client->coro (\&cb) 2055=item $client->async (\&cb)
1727 2056
1728Create a new coroutine, running the specified callback. The coroutine will 2057Create a new coroutine, running the specified callback. The coroutine will
1729be automatically cancelled when the client gets destroyed (e.g. on logout, 2058be automatically cancelled when the client gets destroyed (e.g. on logout,
1730or loss of connection). 2059or loss of connection).
1731 2060
1732=cut 2061=cut
1733 2062
1734sub cf::client::coro { 2063sub cf::client::async {
1735 my ($self, $cb) = @_; 2064 my ($self, $cb) = @_;
1736 2065
1737 my $coro = &Coro::async_pool ($cb); 2066 my $coro = &Coro::async ($cb);
1738 2067
1739 $coro->on_destroy (sub { 2068 $coro->on_destroy (sub {
1740 delete $self->{_coro}{$coro+0}; 2069 delete $self->{_coro}{$coro+0};
1741 }); 2070 });
1742 2071
1878The parameter C<$family> should best start with the name of the extension 2207The parameter C<$family> should best start with the name of the extension
1879using it, it should be unique. 2208using it, it should be unique.
1880 2209
1881=over 4 2210=over 4
1882 2211
1883=item $hashref = cf::db_get $family
1884
1885Return a hashref for use by the extension C<$family>, which can be
1886modified. After modifications, you have to call C<cf::db_dirty> or
1887C<cf::db_sync>.
1888
1889=item $value = cf::db_get $family => $key 2212=item $value = cf::db_get $family => $key
1890 2213
1891Returns a single value from the database 2214Returns a single value from the database.
1892
1893=item cf::db_put $family => $hashref
1894
1895Stores the given family hashref into the database. Updates are delayed, if
1896you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897 2215
1898=item cf::db_put $family => $key => $value 2216=item cf::db_put $family => $key => $value
1899 2217
1900Stores the given C<$value> in the family hash. Updates are delayed, if you 2218Stores the given C<$value> in the family.
1901want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903=item cf::db_dirty
1904
1905Marks the database as dirty, to be updated at a later time.
1906
1907=item cf::db_sync
1908
1909Immediately write the database to disk I<if it is dirty>.
1910 2219
1911=cut 2220=cut
1912 2221
1913our $DB; 2222our $DB;
1914 2223
1915{ 2224sub db_init {
2225 unless ($DB) {
2226 $DB = BDB::db_create $DB_ENV;
2227
2228 cf::sync_job {
2229 eval {
2230 $DB->set_flags (BDB::CHKSUM);
2231
2232 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234 cf::cleanup "db_open(db): $!" if $!;
2235 };
2236 cf::cleanup "db_open(db): $@" if $@;
2237 };
2238
1916 my $path = cf::localdir . "/database.pst"; 2239 my $path = cf::localdir . "/database.pst";
2240 if (stat $path) {
2241 cf::sync_job {
2242 my $pst = Storable::retrieve $path;
1917 2243
1918 sub db_load() { 2244 cf::db_put (board => data => $pst->{board});
1919 $DB = stat $path ? Storable::retrieve $path : { }; 2245 cf::db_put (guildrules => data => $pst->{guildrules});
1920 } 2246 cf::db_put (rent => balance => $pst->{rent}{balance});
2247 BDB::db_env_txn_checkpoint $DB_ENV;
1921 2248
1922 my $pid; 2249 unlink $path;
1923
1924 sub db_save() {
1925 waitpid $pid, 0 if $pid;
1926 if (0 == ($pid = fork)) {
1927 $DB->{_meta}{version} = 1;
1928 Storable::nstore $DB, "$path~";
1929 rename "$path~", $path;
1930 cf::_exit 0 if defined $pid;
1931 } 2250 };
1932 } 2251 }
1933
1934 my $dirty;
1935
1936 sub db_sync() {
1937 db_save if $dirty;
1938 undef $dirty;
1939 }
1940
1941 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942 db_sync;
1943 }); 2252 }
2253}
1944 2254
1945 sub db_dirty() {
1946 $dirty = 1;
1947 $idle->start;
1948 }
1949
1950 sub db_get($;$) { 2255sub db_get($$) {
1951 @_ >= 2 2256 my $key = "$_[0]/$_[1]";
1952 ? $DB->{$_[0]}{$_[1]}
1953 : ($DB->{$_[0]} ||= { })
1954 }
1955 2257
2258 cf::sync_job {
2259 BDB::db_get $DB, undef, $key, my $data;
2260
2261 $! ? ()
2262 : Compress::LZF::sthaw $data
2263 }
2264}
2265
1956 sub db_put($$;$) { 2266sub db_put($$$) {
1957 if (@_ >= 3) { 2267 BDB::dbreq_pri 4;
1958 $DB->{$_[0]}{$_[1]} = $_[2]; 2268 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269}
2270
2271#############################################################################
2272# the server's init and main functions
2273
2274sub load_faces {
2275 my $path = sprintf "%s/faces", cf::datadir;
2276
2277 warn "loading faces from $path\n";
2278
2279 my $faces;
2280 0 < aio_load $path, $faces
2281 or die "$path: $!";
2282
2283 Coro::cede;
2284 $faces = Storable::thaw $faces;
2285 Coro::cede;
2286
2287 my $meta = delete $faces->{""};
2288 $meta->{version} == 1
2289 or cf::cleanup "$path: version mismatch, cannot proceed.";
2290
2291 while (my ($face, $info) = each %$faces) {
2292 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2294 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2295 Coro::cede;
2296 }
2297
2298 while (my ($face, $info) = each %$faces) {
2299 next unless $info->{smooth};
2300 my $idx = cf::face::find $face
2301 or next;
2302 if (my $smooth = cf::face::find $info->{smooth}) {
2303 cf::face::set_smooth $idx, $smooth;
1959 } else { 2304 } else {
1960 $DB->{$_[0]} = $_[1]; 2305 warn "smooth face '$info->{smooth}' not found for face '$face'";
1961 }
1962 db_dirty;
1963 }
1964
1965 cf::global->attach (
1966 prio => 10000,
1967 on_cleanup => sub {
1968 db_sync;
1969 }, 2306 }
1970 ); 2307 Coro::cede;
1971} 2308 }
1972 2309
1973############################################################################# 2310 1
1974# the server's main() 2311}
2312
2313sub reload_resources {
2314 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2315 or die "unable to load regions file\n";#d#
2316 load_faces
2317 or die "unable to load faces\n";#d#
2318}
2319
2320sub init {
2321 reload_resources;
2322}
1975 2323
1976sub cfg_load { 2324sub cfg_load {
1977 open my $fh, "<:utf8", cf::confdir . "/config" 2325 open my $fh, "<:utf8", cf::confdir . "/config"
1978 or return; 2326 or return;
1979 2327
1980 local $/; 2328 local $/;
1981 *CFG = YAML::Syck::Load <$fh>; 2329 *CFG = YAML::Syck::Load <$fh>;
1982 2330
1983 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 2331 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984 2332
2333 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2334 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2335
1985 if (exists $CFG{mlockall}) { 2336 if (exists $CFG{mlockall}) {
1986 eval { 2337 eval {
1987 $CFG{mlockall} ? &mlockall : &munlockall 2338 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988 and die "WARNING: m(un)lockall failed: $!\n"; 2339 and die "WARNING: m(un)lockall failed: $!\n";
1989 }; 2340 };
1990 warn $@ if $@; 2341 warn $@ if $@;
1991 } 2342 }
1992} 2343}
1993 2344
1994sub main { 2345sub main {
1995 # we must not ever block the main coroutine 2346 # we must not ever block the main coroutine
1996 local $Coro::idle = sub { 2347 local $Coro::idle = sub {
1997 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2348 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998 (Coro::unblock_sub { 2349 (async {
1999 Event::one_event; 2350 Event::one_event;
2000 })->(); 2351 })->prio (Coro::PRIO_MAX);
2001 }; 2352 };
2002 2353
2003 cfg_load; 2354 cfg_load;
2004 db_load; 2355 db_init;
2005 load_extensions; 2356 load_extensions;
2357
2358 $TICK_WATCHER->start;
2006 Event::loop; 2359 Event::loop;
2007} 2360}
2008 2361
2009############################################################################# 2362#############################################################################
2010# initialisation 2363# initialisation and cleanup
2364
2365# install some emergency cleanup handlers
2366BEGIN {
2367 for my $signal (qw(INT HUP TERM)) {
2368 Event->signal (
2369 reentrant => 0,
2370 data => WF_AUTOCANCEL,
2371 signal => $signal,
2372 prio => 0,
2373 cb => sub {
2374 cf::cleanup "SIG$signal";
2375 },
2376 );
2377 }
2378}
2379
2380sub emergency_save() {
2381 my $freeze_guard = cf::freeze_mainloop;
2382
2383 warn "enter emergency perl save\n";
2384
2385 cf::sync_job {
2386 # use a peculiar iteration method to avoid tripping on perl
2387 # refcount bugs in for. also avoids problems with players
2388 # and maps saved/destroyed asynchronously.
2389 warn "begin emergency player save\n";
2390 for my $login (keys %cf::PLAYER) {
2391 my $pl = $cf::PLAYER{$login} or next;
2392 $pl->valid or next;
2393 $pl->save;
2394 }
2395 warn "end emergency player save\n";
2396
2397 warn "begin emergency map save\n";
2398 for my $path (keys %cf::MAP) {
2399 my $map = $cf::MAP{$path} or next;
2400 $map->valid or next;
2401 $map->save;
2402 }
2403 warn "end emergency map save\n";
2404
2405 warn "begin emergency database checkpoint\n";
2406 BDB::db_env_txn_checkpoint $DB_ENV;
2407 warn "end emergency database checkpoint\n";
2408 };
2409
2410 warn "leave emergency perl save\n";
2411}
2412
2413sub post_cleanup {
2414 my ($make_core) = @_;
2415
2416 warn Carp::longmess "post_cleanup backtrace"
2417 if $make_core;
2418}
2011 2419
2012sub reload() { 2420sub reload() {
2013 # can/must only be called in main 2421 # can/must only be called in main
2014 if ($Coro::current != $Coro::main) { 2422 if ($Coro::current != $Coro::main) {
2015 warn "can only reload from main coroutine\n"; 2423 warn "can only reload from main coroutine";
2016 return; 2424 return;
2017 } 2425 }
2018 2426
2019 warn "reloading..."; 2427 warn "reloading...";
2020 2428
2021 my $guard = freeze_mainloop; 2429 warn "entering sync_job";
2430
2431 cf::sync_job {
2432 cf::write_runtime; # external watchdog should not bark
2022 cf::emergency_save; 2433 cf::emergency_save;
2434 cf::write_runtime; # external watchdog should not bark
2023 2435
2024 eval { 2436 warn "syncing database to disk";
2437 BDB::db_env_txn_checkpoint $DB_ENV;
2438
2025 # if anything goes wrong in here, we should simply crash as we already saved 2439 # if anything goes wrong in here, we should simply crash as we already saved
2026 2440
2027 # cancel all watchers 2441 warn "cancelling all WF_AUTOCANCEL watchers";
2028 for (Event::all_watchers) { 2442 for (Event::all_watchers) {
2029 $_->cancel if $_->data & WF_AUTOCANCEL; 2443 $_->cancel if $_->data & WF_AUTOCANCEL;
2030 } 2444 }
2031 2445
2446 warn "flushing outstanding aio requests";
2447 for (;;) {
2448 BDB::flush;
2449 IO::AIO::flush;
2450 Coro::cede;
2451 last unless IO::AIO::nreqs || BDB::nreqs;
2452 warn "iterate...";
2453 }
2454
2455 ++$RELOAD;
2456
2032 # cancel all extension coros 2457 warn "cancelling all extension coros";
2033 $_->cancel for values %EXT_CORO; 2458 $_->cancel for values %EXT_CORO;
2034 %EXT_CORO = (); 2459 %EXT_CORO = ();
2035 2460
2036 # unload all extensions 2461 warn "removing commands";
2037 for (@exts) { 2462 %COMMAND = ();
2463
2464 warn "removing ext commands";
2465 %EXTCMD = ();
2466
2467 warn "unloading/nuking all extensions";
2468 for my $pkg (@EXTS) {
2038 warn "unloading <$_>"; 2469 warn "... unloading $pkg";
2039 unload_extension $_; 2470
2471 if (my $cb = $pkg->can ("unload")) {
2472 eval {
2473 $cb->($pkg);
2474 1
2475 } or warn "$pkg unloaded, but with errors: $@";
2040 } 2476 }
2041 2477
2478 warn "... nuking $pkg";
2479 Symbol::delete_package $pkg;
2480 }
2481
2042 # unload all modules loaded from $LIBDIR 2482 warn "unloading all perl modules loaded from $LIBDIR";
2043 while (my ($k, $v) = each %INC) { 2483 while (my ($k, $v) = each %INC) {
2044 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2484 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045 2485
2046 warn "removing <$k>"; 2486 warn "... unloading $k";
2047 delete $INC{$k}; 2487 delete $INC{$k};
2048 2488
2049 $k =~ s/\.pm$//; 2489 $k =~ s/\.pm$//;
2050 $k =~ s/\//::/g; 2490 $k =~ s/\//::/g;
2051 2491
2054 } 2494 }
2055 2495
2056 Symbol::delete_package $k; 2496 Symbol::delete_package $k;
2057 } 2497 }
2058 2498
2059 # sync database to disk
2060 cf::db_sync;
2061 IO::AIO::flush;
2062
2063 # get rid of safe::, as good as possible 2499 warn "getting rid of safe::, as good as possible";
2064 Symbol::delete_package "safe::$_" 2500 Symbol::delete_package "safe::$_"
2065 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2501 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066 2502
2067 # remove register_script_function callbacks
2068 # TODO
2069
2070 # unload cf.pm "a bit" 2503 warn "unloading cf.pm \"a bit\"";
2071 delete $INC{"cf.pm"}; 2504 delete $INC{"cf.pm"};
2072 2505
2073 # don't, removes xs symbols, too, 2506 # don't, removes xs symbols, too,
2074 # and global variables created in xs 2507 # and global variables created in xs
2075 #Symbol::delete_package __PACKAGE__; 2508 #Symbol::delete_package __PACKAGE__;
2076 2509
2077 # reload cf.pm 2510 warn "unload completed, starting to reload now";
2511
2078 warn "reloading cf.pm"; 2512 warn "reloading cf.pm";
2079 require cf; 2513 require cf;
2080 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2514 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081 2515
2082 # load config and database again 2516 warn "loading config and database again";
2083 cf::cfg_load; 2517 cf::cfg_load;
2084 cf::db_load;
2085 2518
2086 # load extensions
2087 warn "load extensions"; 2519 warn "loading extensions";
2088 cf::load_extensions; 2520 cf::load_extensions;
2089 2521
2090 # reattach attachments to objects 2522 warn "reattaching attachments to objects/players";
2091 warn "reattach"; 2523 _global_reattach; # objects, sockets
2092 _global_reattach; 2524 warn "reattaching attachments to maps";
2093 }; 2525 reattach $_ for values %MAP;
2526 warn "reattaching attachments to players";
2527 reattach $_ for values %PLAYER;
2094 2528
2095 if ($@) { 2529 warn "loading reloadable resources";
2530 reload_resources;
2531
2532 warn "leaving sync_job";
2533
2534 1
2535 } or do {
2096 warn $@; 2536 warn $@;
2097 warn "error while reloading, exiting."; 2537 warn "error while reloading, exiting.";
2098 exit 1; 2538 exit 1;
2099 } 2539 };
2100 2540
2101 warn "reloaded successfully"; 2541 warn "reloaded";
2102}; 2542};
2103 2543
2104############################################################################# 2544our $RELOAD_WATCHER; # used only during reload
2105
2106unless ($LINK_MAP) {
2107 $LINK_MAP = cf::map::new;
2108
2109 $LINK_MAP->width (41);
2110 $LINK_MAP->height (41);
2111 $LINK_MAP->alloc;
2112 $LINK_MAP->path ("{link}");
2113 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116 # dirty hack because... archetypes are not yet loaded
2117 Event->timer (
2118 after => 2,
2119 cb => sub {
2120 $_[0]->w->cancel;
2121
2122 # provide some exits "home"
2123 my $exit = cf::object::new "exit";
2124
2125 $exit->slaying ($EMERGENCY_POSITION->[0]);
2126 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129 $LINK_MAP->insert ($exit->clone, 19, 19);
2130 $LINK_MAP->insert ($exit->clone, 19, 20);
2131 $LINK_MAP->insert ($exit->clone, 19, 21);
2132 $LINK_MAP->insert ($exit->clone, 20, 19);
2133 $LINK_MAP->insert ($exit->clone, 20, 21);
2134 $LINK_MAP->insert ($exit->clone, 21, 19);
2135 $LINK_MAP->insert ($exit->clone, 21, 20);
2136 $LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138 $exit->destroy;
2139 });
2140
2141 $LINK_MAP->{deny_save} = 1;
2142 $LINK_MAP->{deny_reset} = 1;
2143
2144 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145}
2146
2147register "<global>", __PACKAGE__;
2148 2545
2149register_command "reload" => sub { 2546register_command "reload" => sub {
2150 my ($who, $arg) = @_; 2547 my ($who, $arg) = @_;
2151 2548
2152 if ($who->flag (FLAG_WIZ)) { 2549 if ($who->flag (FLAG_WIZ)) {
2153 $who->message ("start of reload."); 2550 $who->message ("reloading server.");
2551
2552 # doing reload synchronously and two reloads happen back-to-back,
2553 # coro crashes during coro_state_free->destroy here.
2554
2555 $RELOAD_WATCHER ||= Event->timer (
2556 reentrant => 0,
2557 after => 0,
2558 data => WF_AUTOCANCEL,
2559 cb => sub {
2154 reload; 2560 reload;
2155 $who->message ("end of reload."); 2561 undef $RELOAD_WATCHER;
2562 },
2563 );
2156 } 2564 }
2157}; 2565};
2158 2566
2159unshift @INC, $LIBDIR; 2567unshift @INC, $LIBDIR;
2568
2569my $bug_warning = 0;
2160 2570
2161$TICK_WATCHER = Event->timer ( 2571$TICK_WATCHER = Event->timer (
2162 reentrant => 0, 2572 reentrant => 0,
2573 parked => 1,
2163 prio => 0, 2574 prio => 0,
2164 at => $NEXT_TICK || $TICK, 2575 at => $NEXT_TICK || $TICK,
2165 data => WF_AUTOCANCEL, 2576 data => WF_AUTOCANCEL,
2166 cb => sub { 2577 cb => sub {
2578 if ($Coro::current != $Coro::main) {
2579 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2580 unless ++$bug_warning > 10;
2581 return;
2582 }
2583
2584 $NOW = Event::time;
2585
2167 cf::server_tick; # one server iteration 2586 cf::server_tick; # one server iteration
2168 $RUNTIME += $TICK; 2587 $RUNTIME += $TICK;
2169 $NEXT_TICK += $TICK; 2588 $NEXT_TICK += $TICK;
2589
2590 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591 $NEXT_RUNTIME_WRITE = $NOW + 10;
2592 Coro::async_pool {
2593 write_runtime
2594 or warn "ERROR: unable to write runtime file: $!";
2595 };
2596 }
2597
2598 $WAIT_FOR_TICK->broadcast;
2599 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2600
2601# my $AFTER = Event::time;
2602# warn $AFTER - $NOW;#d#
2170 2603
2171 # if we are delayed by four ticks or more, skip them all 2604 # if we are delayed by four ticks or more, skip them all
2172 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2605 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173 2606
2174 $TICK_WATCHER->at ($NEXT_TICK); 2607 $TICK_WATCHER->at ($NEXT_TICK);
2175 $TICK_WATCHER->start; 2608 $TICK_WATCHER->start;
2176 }, 2609 },
2177); 2610);
2178 2611
2612{
2179IO::AIO::max_poll_time $TICK * 0.2; 2613 BDB::max_poll_time $TICK * 0.1;
2180 2614 $BDB_POLL_WATCHER = Event->io (
2181Event->io ( 2615 reentrant => 0,
2182 fd => IO::AIO::poll_fileno, 2616 fd => BDB::poll_fileno,
2183 poll => 'r', 2617 poll => 'r',
2184 prio => 5, 2618 prio => 0,
2185 data => WF_AUTOCANCEL,
2186 cb => \&IO::AIO::poll_cb,
2187);
2188
2189Event->timer (
2190 data => WF_AUTOCANCEL, 2619 data => WF_AUTOCANCEL,
2191 after => 0, 2620 cb => \&BDB::poll_cb,
2192 interval => 10, 2621 );
2193 cb => sub { 2622 BDB::min_parallel 8;
2194 (Coro::unblock_sub { 2623
2195 write_runtime 2624 BDB::set_sync_prepare {
2196 or warn "ERROR: unable to write runtime file: $!"; 2625 my $status;
2626 my $current = $Coro::current;
2627 (
2628 sub {
2629 $status = $!;
2630 $current->ready; undef $current;
2631 },
2632 sub {
2633 Coro::schedule while defined $current;
2634 $! = $status;
2635 },
2636 )
2637 };
2638
2639 unless ($DB_ENV) {
2640 $DB_ENV = BDB::db_env_create;
2641
2642 cf::sync_job {
2643 eval {
2644 BDB::db_env_open
2645 $DB_ENV,
2646 $BDB_ENV_DIR,
2647 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2648 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649 0666;
2650
2651 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2652
2653 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2654 $DB_ENV->set_lk_detect;
2655 };
2656
2657 cf::cleanup "db_env_open(db): $@" if $@;
2197 })->(); 2658 };
2198 }, 2659 }
2199); 2660}
2661
2662{
2663 IO::AIO::min_parallel 8;
2664
2665 undef $Coro::AIO::WATCHER;
2666 IO::AIO::max_poll_time $TICK * 0.1;
2667 $AIO_POLL_WATCHER = Event->io (
2668 reentrant => 0,
2669 data => WF_AUTOCANCEL,
2670 fd => IO::AIO::poll_fileno,
2671 poll => 'r',
2672 prio => 6,
2673 cb => \&IO::AIO::poll_cb,
2674 );
2675}
2200 2676
2201END { cf::emergency_save } 2677END { cf::emergency_save }
2202 2678
22031 26791
2204 2680

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