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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 2007 UTC vs.
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
21use Coro::Storable;
19 22
23use BDB ();
24use Data::Dumper;
20use Digest::MD5; 25use Digest::MD5;
21use Fcntl; 26use Fcntl;
22use IO::AIO 2.31 ();
23use YAML::Syck (); 27use YAML::Syck ();
28use IO::AIO 2.32 ();
24use Time::HiRes; 29use Time::HiRes;
30use Compress::LZF;
25 31
32# configure various modules to our taste
33#
34$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 38$Event::Eval = 1; # no idea why this is required, but it is
27 39
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 41$YAML::Syck::ImplicitUnicode = 1;
30 42
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 44
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 46
35our %COMMAND = (); 47our %COMMAND = ();
36our %COMMAND_TIME = (); 48our %COMMAND_TIME = ();
49
50our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 51our %EXTCMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps
38 54
55our $RELOAD; # number of reloads so far
39our @EVENT; 56our @EVENT;
40our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
41 58
42our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 60our $TICK_WATCHER;
61our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 63our $NEXT_TICK;
45our $NOW; 64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off
66
67our $BDB_POLL_WATCHER;
68our $DB_ENV;
46 69
47our %CFG; 70our %CFG;
48 71
49our $UPTIME; $UPTIME ||= time; 72our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 73our $RUNTIME;
51 74
75our %PLAYER; # all users
52our %MAP; # all maps 76our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 77our $LINK_MAP; # the special {link} map, which is always available
54our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
55our %EXT_CORO; 79our $BDB_ENV_DIR = cf::localdir . "/db";
80
81our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83
84# used to convert map paths into valid unix filenames by replacing / by ∕
85our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56 86
57binmode STDOUT; 87binmode STDOUT;
58binmode STDERR; 88binmode STDERR;
59 89
60# read virtual server time, if available 90# read virtual server time, if available
67mkdir cf::localdir; 97mkdir cf::localdir;
68mkdir cf::localdir . "/" . cf::playerdir; 98mkdir cf::localdir . "/" . cf::playerdir;
69mkdir cf::localdir . "/" . cf::tmpdir; 99mkdir cf::localdir . "/" . cf::tmpdir;
70mkdir cf::localdir . "/" . cf::uniquedir; 100mkdir cf::localdir . "/" . cf::uniquedir;
71mkdir $RANDOM_MAPS; 101mkdir $RANDOM_MAPS;
102mkdir $BDB_ENV_DIR;
72 103
73# a special map that is always available
74our $LINK_MAP;
75our $EMERGENCY_POSITION; 104our $EMERGENCY_POSITION;
105
106sub cf::map::normalise;
76 107
77############################################################################# 108#############################################################################
78 109
79=head2 GLOBAL VARIABLES 110=head2 GLOBAL VARIABLES
80 111
104 135
105=item %cf::CFG 136=item %cf::CFG
106 137
107Configuration for the server, loaded from C</etc/crossfire/config>, or 138Configuration for the server, loaded from C</etc/crossfire/config>, or
108from wherever your confdir points to. 139from wherever your confdir points to.
140
141=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
142
143These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
144or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
145processing has been done. Call C<< ->wait >> on them to maximise the
146window of cpu time available, or simply to synchronise to the server tick.
109 147
110=back 148=back
111 149
112=cut 150=cut
113 151
117 utf8::encode $msg; 155 utf8::encode $msg;
118 156
119 $msg .= "\n" 157 $msg .= "\n"
120 unless $msg =~ /\n$/; 158 unless $msg =~ /\n$/;
121 159
122 LOG llevError, "cfperl: $msg"; 160 LOG llevError, $msg;
123 }; 161 };
124} 162}
125 163
126@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 164@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 165@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
145 183
146$Event::DIED = sub { 184$Event::DIED = sub {
147 warn "error in event callback: @_"; 185 warn "error in event callback: @_";
148}; 186};
149 187
150my %ext_pkg;
151my @exts;
152my @hook;
153
154=head2 UTILITY FUNCTIONS 188=head2 UTILITY FUNCTIONS
155 189
156=over 4 190=over 4
157 191
158=cut 192=item dumpval $ref
159 193
194=cut
195
196sub dumpval {
197 eval {
198 local $SIG{__DIE__};
199 my $d;
200 if (1) {
201 $d = new Data::Dumper([$_[0]], ["*var"]);
202 $d->Terse(1);
203 $d->Indent(2);
204 $d->Quotekeys(0);
205 $d->Useqq(1);
206 #$d->Bless(...);
207 $d->Seen($_[1]) if @_ > 1;
208 $d = $d->Dump();
209 }
210 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211 $d
212 } || "[unable to dump $_[0]: '$@']";
213}
214
160use JSON::Syck (); # TODO# replace by JSON::PC once working 215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161 216
162=item $ref = cf::from_json $json 217=item $ref = cf::from_json $json
163 218
164Converts a JSON string into the corresponding perl data structure. 219Converts a JSON string into the corresponding perl data structure.
165 220
166=cut
167
168sub from_json($) {
169 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170 JSON::Syck::Load $_[0]
171}
172
173=item $json = cf::to_json $ref 221=item $json = cf::to_json $ref
174 222
175Converts a perl data structure into its JSON representation. 223Converts a perl data structure into its JSON representation.
176
177=cut
178
179sub to_json($) {
180 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181 JSON::Syck::Dump $_[0]
182}
183 224
184=item cf::lock_wait $string 225=item cf::lock_wait $string
185 226
186Wait until the given lock is available. See cf::lock_acquire. 227Wait until the given lock is available. See cf::lock_acquire.
187 228
224} 265}
225 266
226sub freeze_mainloop { 267sub freeze_mainloop {
227 return unless $TICK_WATCHER->is_active; 268 return unless $TICK_WATCHER->is_active;
228 269
229 my $guard = Coro::guard { $TICK_WATCHER->start }; 270 my $guard = Coro::guard {
271 $TICK_WATCHER->start;
272 };
230 $TICK_WATCHER->stop; 273 $TICK_WATCHER->stop;
231 $guard 274 $guard
232} 275}
233 276
234=item cf::async { BLOCK } 277=item cf::async { BLOCK }
273 warn $@ if $@; 316 warn $@ if $@;
274 undef $busy; 317 undef $busy;
275 })->prio (Coro::PRIO_MAX); 318 })->prio (Coro::PRIO_MAX);
276 319
277 while ($busy) { 320 while ($busy) {
278 unless (Coro::cede) { 321 Coro::cede or Event::one_event;
279 Coro::nready ? Event::one_event 0 : Event::one_event;
280 Coro::cede_notself unless Coro::cede;
281 }
282 } 322 }
283 323
284 wantarray ? @res : $res[0] 324 wantarray ? @res : $res[0]
285 } else { 325 } else {
286 # we are in another coroutine, how wonderful, everything just works 326 # we are in another coroutine, how wonderful, everything just works
289 } 329 }
290} 330}
291 331
292=item $coro = cf::async_ext { BLOCK } 332=item $coro = cf::async_ext { BLOCK }
293 333
294Like async, but this coro is automcatially being canceled when the 334Like async, but this coro is automatically being canceled when the
295extension calling this is being unloaded. 335extension calling this is being unloaded.
296 336
297=cut 337=cut
298 338
299sub async_ext(&) { 339sub async_ext(&) {
308 348
309 $coro 349 $coro
310} 350}
311 351
312sub write_runtime { 352sub write_runtime {
353 my $guard = cf::lock_acquire "write_runtime";
354
313 my $runtime = cf::localdir . "/runtime"; 355 my $runtime = cf::localdir . "/runtime";
314 356
315 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316 or return; 358 or return;
317 359
360 my $value = $cf::RUNTIME + 90 + 10;
318 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
319 (aio_write $fh, 0, (length $value), $value, 0) <= 0 364 (aio_write $fh, 0, (length $value), $value, 0) <= 0
320 and return; 365 and return;
321 366
367 # always fsync - this file is important
322 aio_fsync $fh 368 aio_fsync $fh
323 and return; 369 and return;
324 370
325 close $fh 371 close $fh
326 or return; 372 or return;
329 and return; 375 and return;
330 376
331 1 377 1
332} 378}
333 379
380=item cf::datalog type => key => value, ...
381
382Log a datalog packet of the given type with the given key-value pairs.
383
384=cut
385
386sub datalog($@) {
387 my ($type, %kv) = @_;
388 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389}
390
334=back 391=back
335 392
336=cut 393=cut
337
338#############################################################################
339
340package cf::path;
341
342sub new {
343 my ($class, $path, $base) = @_;
344
345 $path = $path->as_string if ref $path;
346
347 my $self = bless { }, $class;
348
349 # {... are special paths that are not touched
350 # ?xxx/... are special absolute paths
351 # ?random/... random maps
352 # /! non-realised random map exit
353 # /... normal maps
354 # ~/... per-player maps without a specific player (DO NOT USE)
355 # ~user/... per-player map of a specific user
356
357 if ($path =~ /^{/) {
358 # fine as it is
359 } elsif ($path =~ s{^\?random/}{}) {
360 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361 $self->{random} = cf::from_json $data;
362 } else {
363 if ($path =~ s{^~([^/]+)?}{}) {
364 $self->{user_rel} = 1;
365
366 if (defined $1) {
367 $self->{user} = $1;
368 } elsif ($base =~ m{^~([^/]+)/}) {
369 $self->{user} = $1;
370 } else {
371 warn "cannot resolve user-relative path without user <$path,$base>\n";
372 }
373 } elsif ($path =~ /^\//) {
374 # already absolute
375 } else {
376 $base =~ s{[^/]+/?$}{};
377 return $class->new ("$base/$path");
378 }
379
380 for ($path) {
381 redo if s{/\.?/}{/};
382 redo if s{/[^/]+/\.\./}{/};
383 }
384 }
385
386 $self->{path} = $path;
387
388 $self
389}
390
391# the name / primary key / in-game path
392sub as_string {
393 my ($self) = @_;
394
395 $self->{user_rel} ? "~$self->{user}$self->{path}"
396 : $self->{random} ? "?random/$self->{path}"
397 : $self->{path}
398}
399
400# the displayed name, this is a one way mapping
401sub visible_name {
402 my ($self) = @_;
403
404# if (my $rmp = $self->{random}) {
405# # todo: be more intelligent about this
406# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407# } else {
408 $self->as_string
409# }
410}
411
412# escape the /'s in the path
413sub _escaped_path {
414 # ∕ is U+2215
415 (my $path = $_[0]{path}) =~ s/\//∕/g;
416 $path
417}
418
419# the original (read-only) location
420sub load_path {
421 my ($self) = @_;
422
423 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424}
425
426# the temporary/swap location
427sub save_path {
428 my ($self) = @_;
429
430 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433}
434
435# the unique path, might be eq to save_path
436sub uniq_path {
437 my ($self) = @_;
438
439 $self->{user_rel} || $self->{random}
440 ? undef
441 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442}
443
444# return random map parameters, or undef
445sub random_map_params {
446 my ($self) = @_;
447
448 $self->{random}
449}
450
451# this is somewhat ugly, but style maps do need special treatment
452sub is_style_map {
453 $_[0]{path} =~ m{^/styles/}
454}
455
456package cf;
457 394
458############################################################################# 395#############################################################################
459 396
460=head2 ATTACHABLE OBJECTS 397=head2 ATTACHABLE OBJECTS
461 398
587our @CB_TYPE = (); # registry for type (cf-object class) based events 524our @CB_TYPE = (); # registry for type (cf-object class) based events
588our @CB_MAP = (); 525our @CB_MAP = ();
589 526
590my %attachment; 527my %attachment;
591 528
529sub cf::attachable::thawer_merge {
530 # simply override everything except _meta
531 local $_[0]{_meta};
532 %{$_[0]} = %{$_[1]};
533}
534
592sub _attach_cb($$$$) { 535sub _attach_cb($$$$) {
593 my ($registry, $event, $prio, $cb) = @_; 536 my ($registry, $event, $prio, $cb) = @_;
594 537
595 use sort 'stable'; 538 use sort 'stable';
596 539
767# object support 710# object support
768 711
769sub reattach { 712sub reattach {
770 # basically do the same as instantiate, without calling instantiate 713 # basically do the same as instantiate, without calling instantiate
771 my ($obj) = @_; 714 my ($obj) = @_;
715
716 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 717
773 my $registry = $obj->registry; 718 my $registry = $obj->registry;
774 719
775 @$registry = (); 720 @$registry = ();
776 721
823 $filename, length $$rdata, scalar @$objs; 768 $filename, length $$rdata, scalar @$objs;
824 769
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 771 chmod SAVE_MODE, $fh;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 772 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh; 773 aio_fsync $fh if $cf::USE_FSYNC;
829 close $fh; 774 close $fh;
830 775
831 if (@$objs) { 776 if (@$objs) {
832 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) {
833 chmod SAVE_MODE, $fh; 778 chmod SAVE_MODE, $fh;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 779 my $data = Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 780 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh; 781 aio_fsync $fh if $cf::USE_FSYNC;
837 close $fh; 782 close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 783 aio_rename "$filename.pst~", "$filename.pst";
839 } 784 }
840 } else { 785 } else {
841 aio_unlink "$filename.pst"; 786 aio_unlink "$filename.pst";
908=cut 853=cut
909 854
910sub register_extcmd { 855sub register_extcmd {
911 my ($name, $cb) = @_; 856 my ($name, $cb) = @_;
912 857
913 my $caller = caller;
914 #warn "registering extcmd '$name' to '$caller'";
915
916 $EXTCMD{$name} = [$cb, $caller]; 858 $EXTCMD{$name} = $cb;
917} 859}
918 860
919cf::player->attach ( 861cf::player->attach (
920 on_command => sub { 862 on_command => sub {
921 my ($pl, $name, $params) = @_; 863 my ($pl, $name, $params) = @_;
934 876
935 my $msg = eval { from_json $buf }; 877 my $msg = eval { from_json $buf };
936 878
937 if (ref $msg) { 879 if (ref $msg) {
938 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 880 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939 if (my %reply = $cb->[0]->($pl, $msg)) { 881 if (my %reply = $cb->($pl, $msg)) {
940 $pl->ext_reply ($msg->{msgid}, %reply); 882 $pl->ext_reply ($msg->{msgid}, %reply);
941 } 883 }
942 } 884 }
943 } else { 885 } else {
944 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 886 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
946 888
947 cf::override; 889 cf::override;
948 }, 890 },
949); 891);
950 892
951sub register {
952 my ($base, $pkg) = @_;
953
954 #TODO
955}
956
957sub load_extension { 893sub load_extension {
958 my ($path) = @_; 894 my ($path) = @_;
959 895
960 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 896 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
961 my $base = $1; 897 my $base = $1;
962 my $pkg = $1; 898 my $pkg = $1;
963 $pkg =~ s/[^[:word:]]/_/g; 899 $pkg =~ s/[^[:word:]]/_/g;
964 $pkg = "ext::$pkg"; 900 $pkg = "ext::$pkg";
965 901
966 warn "loading '$path' into '$pkg'\n"; 902 warn "... loading '$path' into '$pkg'\n";
967 903
968 open my $fh, "<:utf8", $path 904 open my $fh, "<:utf8", $path
969 or die "$path: $!"; 905 or die "$path: $!";
970 906
971 my $source = 907 my $source =
972 "package $pkg; use strict; use utf8;\n" 908 "package $pkg; use strict; use utf8;\n"
973 . "#line 1 \"$path\"\n{\n" 909 . "#line 1 \"$path\"\n{\n"
974 . (do { local $/; <$fh> }) 910 . (do { local $/; <$fh> })
975 . "\n};\n1"; 911 . "\n};\n1";
976 912
977 eval $source 913 unless (eval $source) {
978 or die $@ ? "$path: $@\n" 914 my $msg = $@ ? "$path: $@\n"
979 : "extension disabled.\n"; 915 : "extension disabled.\n";
980 916 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981 push @exts, $pkg; 917 warn $@;
982 $ext_pkg{$base} = $pkg; 918 warn "mandatory extension failed to load, exiting.\n";
983 919 exit 1;
984# no strict 'refs'; 920 }
985# @{"$pkg\::ISA"} = ext::; 921 die $@;
986
987 register $base, $pkg;
988}
989
990sub unload_extension {
991 my ($pkg) = @_;
992
993 warn "removing extension $pkg\n";
994
995 # remove hooks
996 #TODO
997# for my $idx (0 .. $#PLUGIN_EVENT) {
998# delete $hook[$idx]{$pkg};
999# } 922 }
1000 923
1001 # remove commands 924 push @EXTS, $pkg;
1002 for my $name (keys %COMMAND) {
1003 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005 if (@cb) {
1006 $COMMAND{$name} = \@cb;
1007 } else {
1008 delete $COMMAND{$name};
1009 }
1010 }
1011
1012 # remove extcmds
1013 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014 delete $EXTCMD{$name};
1015 }
1016
1017 if (my $cb = $pkg->can ("unload")) {
1018 eval {
1019 $cb->($pkg);
1020 1
1021 } or warn "$pkg unloaded, but with errors: $@";
1022 }
1023
1024 Symbol::delete_package $pkg;
1025} 925}
1026 926
1027sub load_extensions { 927sub load_extensions {
1028 for my $ext (<$LIBDIR/*.ext>) { 928 for my $ext (<$LIBDIR/*.ext>) {
1029 next unless -r $ext; 929 next unless -r $ext;
1033 } or warn "$ext not loaded: $@"; 933 } or warn "$ext not loaded: $@";
1034 } 934 }
1035} 935}
1036 936
1037############################################################################# 937#############################################################################
1038# load/save/clean perl data associated with a map
1039
1040*cf::mapsupport::on_clean = sub {
1041 my ($map) = @_;
1042
1043 my $path = $map->tmpname;
1044 defined $path or return;
1045
1046 unlink "$path.pst";
1047};
1048
1049cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051#############################################################################
1052# load/save perl data associated with player->ob objects
1053
1054sub all_objects(@) {
1055 @_, map all_objects ($_->inv), @_
1056}
1057
1058# TODO: compatibility cruft, remove when no longer needed
1059cf::player->attach (
1060 on_load => sub {
1061 my ($pl, $path) = @_;
1062
1063 for my $o (all_objects $pl->ob) {
1064 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065 $o->set_ob_key_value ("_perl_data");
1066
1067 %$o = %{ Storable::thaw pack "H*", $value };
1068 }
1069 }
1070 },
1071);
1072
1073#############################################################################
1074 938
1075=head2 CORE EXTENSIONS 939=head2 CORE EXTENSIONS
1076 940
1077Functions and methods that extend core crossfire objects. 941Functions and methods that extend core crossfire objects.
1078 942
943=cut
944
945package cf::player;
946
947use Coro::AIO;
948
1079=head3 cf::player 949=head3 cf::player
1080 950
1081=over 4 951=over 4
1082 952
1083=item cf::player::exists $login 953=item cf::player::find $login
1084 954
1085Returns true when the given account exists. 955Returns the given player object, loading it if necessary (might block).
1086 956
1087=cut 957=cut
1088 958
1089sub cf::player::exists($) { 959sub playerdir($) {
1090 cf::player::find $_[0] 960 cf::localdir
1091 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 961 . "/"
962 . cf::playerdir
963 . "/"
964 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1092} 965}
1093 966
967sub path($) {
968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
969
970 (playerdir $login) . "/playerdata"
971}
972
973sub find_active($) {
974 $cf::PLAYER{$_[0]}
975 and $cf::PLAYER{$_[0]}->active
976 and $cf::PLAYER{$_[0]}
977}
978
979sub exists($) {
980 my ($login) = @_;
981
982 $cf::PLAYER{$login}
983 or cf::sync_job { !aio_stat path $login }
984}
985
986sub find($) {
987 return $cf::PLAYER{$_[0]} || do {
988 my $login = $_[0];
989
990 my $guard = cf::lock_acquire "user_find:$login";
991
992 $cf::PLAYER{$_[0]} || do {
993 # rename old playerfiles to new ones
994 #TODO: remove when no longer required
995 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997 aio_unlink +(playerdir $login) . "/$login.pl.pst";
998 aio_unlink +(playerdir $login) . "/$login.pl";
999
1000 my $pl = load_pl path $login
1001 or return;
1002 $cf::PLAYER{$login} = $pl
1003 }
1004 }
1005}
1006
1007sub save($) {
1008 my ($pl) = @_;
1009
1010 return if $pl->{deny_save};
1011
1012 my $path = path $pl;
1013 my $guard = cf::lock_acquire "user_save:$path";
1014
1015 return if $pl->{deny_save};
1016
1017 aio_mkdir playerdir $pl, 0770;
1018 $pl->{last_save} = $cf::RUNTIME;
1019
1020 $pl->save_pl ($path);
1021 Coro::cede;
1022}
1023
1024sub new($) {
1025 my ($login) = @_;
1026
1027 my $self = create;
1028
1029 $self->ob->name ($login);
1030 $self->{deny_save} = 1;
1031
1032 $cf::PLAYER{$login} = $self;
1033
1034 $self
1035}
1036
1037=item $pl->quit_character
1038
1039Nukes the player without looking back. If logged in, the connection will
1040be destroyed. May block for a long time.
1041
1042=cut
1043
1044sub quit_character {
1045 my ($pl) = @_;
1046
1047 my $name = $pl->ob->name;
1048
1049 $pl->{deny_save} = 1;
1050 $pl->password ("*"); # this should lock out the player until we nuked the dir
1051
1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053 $pl->deactivate;
1054 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1055 $pl->ns->destroy if $pl->ns;
1056
1057 my $path = playerdir $pl;
1058 my $temp = "$path~$cf::RUNTIME~deleting~";
1059 aio_rename $path, $temp;
1060 delete $cf::PLAYER{$pl->ob->name};
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
1068 IO::AIO::aio_rmtree $temp;
1069}
1070
1071=item $pl->kick
1072
1073Kicks a player out of the game. This destroys the connection.
1074
1075=cut
1076
1077sub kick {
1078 my ($pl, $kicker) = @_;
1079
1080 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1081 $pl->killer ("kicked");
1082 $pl->ns->destroy;
1083}
1084
1085=item cf::player::list_logins
1086
1087Returns am arrayref of all valid playernames in the system, can take a
1088while and may block, so not sync_job-capable, ever.
1089
1090=cut
1091
1092sub list_logins {
1093 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1094 or return [];
1095
1096 my @logins;
1097
1098 for my $login (@$dirs) {
1099 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1100 aio_read $fh, 0, 512, my $buf, 0 or next;
1101 $buf !~ /^password -------------$/m or next; # official not-valid tag
1102
1103 utf8::decode $login;
1104 push @logins, $login;
1105 }
1106
1107 \@logins
1108}
1109
1110=item $player->maps
1111
1112Returns an arrayref of map paths that are private for this
1113player. May block.
1114
1115=cut
1116
1117sub maps($) {
1118 my ($pl) = @_;
1119
1120 $pl = ref $pl ? $pl->ob->name : $pl;
1121
1122 my $files = aio_readdir playerdir $pl
1123 or return;
1124
1125 my @paths;
1126
1127 for (@$files) {
1128 utf8::decode $_;
1129 next if /\.(?:pl|pst)$/;
1130 next unless /^$PATH_SEP/o;
1131
1132 push @paths, cf::map::normalise "~$pl/$_";
1133 }
1134
1135 \@paths
1136}
1137
1094=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1095 1139
1096Sends an ext reply to the player. 1140Sends an ext reply to the player.
1097 1141
1098=cut 1142=cut
1099 1143
1100sub cf::player::ext_reply($$$%) { 1144sub ext_reply($$%) {
1101 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1102 1146
1103 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1104 1148
1105 $self->send ("ext " . to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1106} 1150}
1151
1152=item $player->ext_event ($type, %msg)
1153
1154Sends an ext event to the client.
1155
1156=cut
1157
1158sub ext_event($$%) {
1159 my ($self, $type, %msg) = @_;
1160
1161 $self->ns->ext_event ($type, %msg);
1162}
1163
1164package cf;
1107 1165
1108=back 1166=back
1109 1167
1110 1168
1111=head3 cf::map 1169=head3 cf::map
1117package cf::map; 1175package cf::map;
1118 1176
1119use Fcntl; 1177use Fcntl;
1120use Coro::AIO; 1178use Coro::AIO;
1121 1179
1180use overload
1181 '""' => \&as_string,
1182 fallback => 1;
1183
1122our $MAX_RESET = 3600; 1184our $MAX_RESET = 3600;
1123our $DEFAULT_RESET = 3000; 1185our $DEFAULT_RESET = 3000;
1124 1186
1125sub generate_random_map { 1187sub generate_random_map {
1126 my ($path, $rmp) = @_; 1188 my ($self, $rmp) = @_;
1127
1128 # mit "rum" bekleckern, nicht 1189 # mit "rum" bekleckern, nicht
1129 cf::map::_create_random_map 1190 $self->_create_random_map (
1130 $path,
1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1191 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1192 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1193 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134 $rmp->{exit_on_final_map}, 1194 $rmp->{exit_on_final_map},
1135 $rmp->{xsize}, $rmp->{ysize}, 1195 $rmp->{xsize}, $rmp->{ysize},
1136 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1196 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1197 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1198 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1199 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1200 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141 (cf::region::find $rmp->{region}) 1201 (cf::region::find $rmp->{region}), $rmp->{custom}
1202 )
1203}
1204
1205=item cf::map->register ($regex, $prio)
1206
1207Register a handler for the map path matching the given regex at the
1208givne priority (higher is better, built-in handlers have priority 0, the
1209default).
1210
1211=cut
1212
1213sub register {
1214 my (undef, $regex, $prio) = @_;
1215 my $pkg = caller;
1216
1217 no strict;
1218 push @{"$pkg\::ISA"}, __PACKAGE__;
1219
1220 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1221}
1222
1223# also paths starting with '/'
1224$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1225
1226sub thawer_merge {
1227 my ($self, $merge) = @_;
1228
1229 # we have to keep some variables in memory intact
1230 local $self->{path};
1231 local $self->{load_path};
1232 local $self->{deny_save};
1233 local $self->{deny_reset};
1234
1235 $self->SUPER::thawer_merge ($merge);
1236}
1237
1238sub normalise {
1239 my ($path, $base) = @_;
1240
1241 $path = "$path"; # make sure its a string
1242
1243 $path =~ s/\.map$//;
1244
1245 # map plan:
1246 #
1247 # /! non-realised random map exit (special hack!)
1248 # {... are special paths that are not being touched
1249 # ?xxx/... are special absolute paths
1250 # ?random/... random maps
1251 # /... normal maps
1252 # ~user/... per-player map of a specific user
1253
1254 $path =~ s/$PATH_SEP/\//go;
1255
1256 # treat it as relative path if it starts with
1257 # something that looks reasonable
1258 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1259 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1260
1261 $base =~ s{[^/]+/?$}{};
1262 $path = "$base/$path";
1263 }
1264
1265 for ($path) {
1266 redo if s{//}{/};
1267 redo if s{/\.?/}{/};
1268 redo if s{/[^/]+/\.\./}{/};
1269 }
1270
1271 $path
1272}
1273
1274sub new_from_path {
1275 my (undef, $path, $base) = @_;
1276
1277 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1278
1279 $path = normalise $path, $base;
1280
1281 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1282 if ($path =~ $EXT_MAP{$pkg}[1]) {
1283 my $self = bless cf::map::new, $pkg;
1284 $self->{path} = $path; $self->path ($path);
1285 $self->init; # pass $1 etc.
1286 return $self;
1287 }
1288 }
1289
1290 Carp::carp "unable to resolve path '$path' (base '$base').";
1291 ()
1292}
1293
1294sub init {
1295 my ($self) = @_;
1296
1297 $self
1298}
1299
1300sub as_string {
1301 my ($self) = @_;
1302
1303 "$self->{path}"
1304}
1305
1306# the displayed name, this is a one way mapping
1307sub visible_name {
1308 &as_string
1309}
1310
1311# the original (read-only) location
1312sub load_path {
1313 my ($self) = @_;
1314
1315 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1316}
1317
1318# the temporary/swap location
1319sub save_path {
1320 my ($self) = @_;
1321
1322 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1324}
1325
1326# the unique path, undef == no special unique path
1327sub uniq_path {
1328 my ($self) = @_;
1329
1330 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142} 1332}
1143 1333
1144# and all this just because we cannot iterate over 1334# and all this just because we cannot iterate over
1145# all maps in C++... 1335# all maps in C++...
1146sub change_all_map_light { 1336sub change_all_map_light {
1148 1338
1149 $_->change_map_light ($change) 1339 $_->change_map_light ($change)
1150 for grep $_->outdoor, values %cf::MAP; 1340 for grep $_->outdoor, values %cf::MAP;
1151} 1341}
1152 1342
1343sub unlink_save {
1344 my ($self) = @_;
1345
1346 utf8::encode (my $save = $self->save_path);
1347 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1348 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1349}
1350
1153sub try_load_header($) { 1351sub load_header_from($) {
1154 my ($path) = @_; 1352 my ($self, $path) = @_;
1155 1353
1156 utf8::encode $path; 1354 utf8::encode $path;
1157 aio_open $path, O_RDONLY, 0 1355 #aio_open $path, O_RDONLY, 0
1356 # or return;
1357
1358 $self->_load_header ($path)
1158 or return; 1359 or return;
1159 1360
1160 my $map = cf::map::new 1361 $self->{load_path} = $path;
1362
1363 1
1364}
1365
1366sub load_header_orig {
1367 my ($self) = @_;
1368
1369 $self->load_header_from ($self->load_path)
1370}
1371
1372sub load_header_temp {
1373 my ($self) = @_;
1374
1375 $self->load_header_from ($self->save_path)
1376}
1377
1378sub prepare_temp {
1379 my ($self) = @_;
1380
1381 $self->last_access ((delete $self->{last_access})
1382 || $cf::RUNTIME); #d#
1383 # safety
1384 $self->{instantiate_time} = $cf::RUNTIME
1385 if $self->{instantiate_time} > $cf::RUNTIME;
1386}
1387
1388sub prepare_orig {
1389 my ($self) = @_;
1390
1391 $self->{load_original} = 1;
1392 $self->{instantiate_time} = $cf::RUNTIME;
1393 $self->last_access ($cf::RUNTIME);
1394 $self->instantiate;
1395}
1396
1397sub load_header {
1398 my ($self) = @_;
1399
1400 if ($self->load_header_temp) {
1401 $self->prepare_temp;
1402 } else {
1403 $self->load_header_orig
1161 or return; 1404 or return;
1405 $self->prepare_orig;
1406 }
1162 1407
1163 # for better error messages only, will be overwritten 1408 1
1164 $map->path ($path);
1165
1166 $map->load_header ($path)
1167 or return;
1168
1169 $map->{load_path} = $path;
1170
1171 $map
1172} 1409}
1173 1410
1174sub find; 1411sub find;
1175sub find { 1412sub find {
1176 my ($path, $origin) = @_; 1413 my ($path, $origin) = @_;
1177 1414
1178 #warn "find<$path,$origin>\n";#d#
1179
1180 $path = new cf::path $path, $origin && $origin->path; 1415 $path = normalise $path, $origin && $origin->path;
1181 my $key = $path->as_string;
1182 1416
1183 cf::lock_wait "map_find:$key"; 1417 cf::lock_wait "map_find:$path";
1184 1418
1185 $cf::MAP{$key} || do { 1419 $cf::MAP{$path} || do {
1186 my $guard = cf::lock_acquire "map_find:$key"; 1420 my $guard = cf::lock_acquire "map_find:$path";
1187 1421 my $map = new_from_path cf::map $path
1188 # do it the slow way
1189 my $map = try_load_header $path->save_path;
1190
1191 Coro::cede;
1192
1193 if ($map) {
1194 $map->last_access ((delete $map->{last_access})
1195 || $cf::RUNTIME); #d#
1196 # safety
1197 $map->{instantiate_time} = $cf::RUNTIME
1198 if $map->{instantiate_time} > $cf::RUNTIME;
1199 } else {
1200 if (my $rmp = $path->random_map_params) {
1201 $map = generate_random_map $key, $rmp;
1202 } else {
1203 $map = try_load_header $path->load_path;
1204 }
1205
1206 $map or return; 1422 or return;
1207 1423
1208 $map->{load_original} = 1;
1209 $map->{instantiate_time} = $cf::RUNTIME;
1210 $map->last_access ($cf::RUNTIME);
1211 $map->instantiate;
1212
1213 # per-player maps become, after loading, normal maps
1214 $map->per_player (0) if $path->{user_rel};
1215 }
1216
1217 $map->path ($key);
1218 $map->{path} = $path;
1219 $map->{last_save} = $cf::RUNTIME; 1424 $map->{last_save} = $cf::RUNTIME;
1220 1425
1221 Coro::cede; 1426 $map->load_header
1427 or return;
1222 1428
1223 if ($map->should_reset) { 1429 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1430 # doing this can freeze the server in a sync job, obviously
1431 #$cf::WAIT_FOR_TICK->wait;
1224 $map->reset; 1432 $map->reset;
1225 undef $guard; 1433 undef $guard;
1226 $map = find $path 1434 return find $path;
1227 or return;
1228 } 1435 }
1229 1436
1230 $cf::MAP{$key} = $map 1437 $cf::MAP{$path} = $map
1231 } 1438 }
1232} 1439}
1440
1441sub pre_load { }
1442sub post_load { }
1233 1443
1234sub load { 1444sub load {
1235 my ($self) = @_; 1445 my ($self) = @_;
1236 1446
1447 local $self->{deny_reset} = 1; # loading can take a long time
1448
1237 my $path = $self->{path}; 1449 my $path = $self->{path};
1238 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1450 my $guard = cf::lock_acquire "map_load:$path";
1239 1451
1240 return if $self->in_memory != cf::MAP_SWAPPED; 1452 return if $self->in_memory != cf::MAP_SWAPPED;
1241 1453
1242 $self->in_memory (cf::MAP_LOADING); 1454 $self->in_memory (cf::MAP_LOADING);
1243 1455
1244 $self->alloc; 1456 $self->alloc;
1457
1458 $self->pre_load;
1459
1245 $self->load_objects ($self->{load_path}, 1) 1460 $self->_load_objects ($self->{load_path}, 1)
1246 or return; 1461 or return;
1247 1462
1248 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1463 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249 if delete $self->{load_original}; 1464 if delete $self->{load_original};
1250 1465
1251 if (my $uniq = $path->uniq_path) { 1466 if (my $uniq = $self->uniq_path) {
1252 utf8::encode $uniq; 1467 utf8::encode $uniq;
1253 if (aio_open $uniq, O_RDONLY, 0) { 1468 if (aio_open $uniq, O_RDONLY, 0) {
1254 $self->clear_unique_items; 1469 $self->clear_unique_items;
1255 $self->load_objects ($uniq, 0); 1470 $self->_load_objects ($uniq, 0);
1256 } 1471 }
1257 } 1472 }
1258 1473
1259 Coro::cede; 1474 Coro::cede;
1260 1475
1261 # now do the right thing for maps 1476 # now do the right thing for maps
1262 $self->link_multipart_objects; 1477 $self->link_multipart_objects;
1263 1478
1264 if ($self->{path}->is_style_map) { 1479 unless ($self->{deny_activate}) {
1265 $self->{deny_save} = 1; 1480 $self->decay_objects;
1266 $self->{deny_reset} = 1;
1267 } else {
1268 $self->fix_auto_apply; 1481 $self->fix_auto_apply;
1269 $self->decay_objects;
1270 $self->update_buttons; 1482 $self->update_buttons;
1483 Coro::cede;
1271 $self->set_darkness_map; 1484 $self->set_darkness_map;
1272 $self->difficulty ($self->estimate_difficulty) 1485 $self->difficulty ($self->estimate_difficulty)
1273 unless $self->difficulty; 1486 unless $self->difficulty;
1487 Coro::cede;
1274 $self->activate; 1488 $self->activate;
1275 } 1489 }
1276 1490
1277 Coro::cede; 1491 $self->post_load;
1278 1492
1279 $self->in_memory (cf::MAP_IN_MEMORY); 1493 $self->in_memory (cf::MAP_IN_MEMORY);
1494}
1495
1496sub customise_for {
1497 my ($self, $ob) = @_;
1498
1499 return find "~" . $ob->name . "/" . $self->{path}
1500 if $self->per_player;
1501
1502 $self
1503}
1504
1505# find and load all maps in the 3x3 area around a map
1506sub load_diag {
1507 my ($map) = @_;
1508
1509 my @diag; # diagonal neighbours
1510
1511 for (0 .. 3) {
1512 my $neigh = $map->tile_path ($_)
1513 or next;
1514 $neigh = find $neigh, $map
1515 or next;
1516 $neigh->load;
1517
1518 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1519 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1520 }
1521
1522 for (@diag) {
1523 my $neigh = find @$_
1524 or next;
1525 $neigh->load;
1526 }
1280} 1527}
1281 1528
1282sub find_sync { 1529sub find_sync {
1283 my ($path, $origin) = @_; 1530 my ($path, $origin) = @_;
1284 1531
1285 cf::sync_job { cf::map::find $path, $origin } 1532 cf::sync_job { find $path, $origin }
1286} 1533}
1287 1534
1288sub do_load_sync { 1535sub do_load_sync {
1289 my ($map) = @_; 1536 my ($map) = @_;
1290 1537
1291 cf::sync_job { $map->load }; 1538 cf::sync_job { $map->load };
1292} 1539}
1293 1540
1541our %MAP_PREFETCH;
1542our $MAP_PREFETCHER = undef;
1543
1544sub find_async {
1545 my ($path, $origin) = @_;
1546
1547 $path = normalise $path, $origin && $origin->{path};
1548
1549 if (my $map = $cf::MAP{$path}) {
1550 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1551 }
1552
1553 undef $MAP_PREFETCH{$path};
1554 $MAP_PREFETCHER ||= cf::async {
1555 while (%MAP_PREFETCH) {
1556 for my $path (keys %MAP_PREFETCH) {
1557 my $map = find $path
1558 or next;
1559 $map->load;
1560
1561 delete $MAP_PREFETCH{$path};
1562 }
1563 }
1564 undef $MAP_PREFETCHER;
1565 };
1566 $MAP_PREFETCHER->prio (6);
1567
1568 ()
1569}
1570
1294sub save { 1571sub save {
1295 my ($self) = @_; 1572 my ($self) = @_;
1296 1573
1297 my $lock = cf::lock_acquire "map_data:" . $self->path; 1574 my $lock = cf::lock_acquire "map_data:" . $self->path;
1298 1575
1299 $self->{last_save} = $cf::RUNTIME; 1576 $self->{last_save} = $cf::RUNTIME;
1300 1577
1301 return unless $self->dirty; 1578 return unless $self->dirty;
1302 1579
1303 my $save = $self->{path}->save_path; utf8::encode $save; 1580 my $save = $self->save_path; utf8::encode $save;
1304 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1581 my $uniq = $self->uniq_path; utf8::encode $uniq;
1305 1582
1306 $self->{load_path} = $save; 1583 $self->{load_path} = $save;
1307 1584
1308 return if $self->{deny_save}; 1585 return if $self->{deny_save};
1309 1586
1310 local $self->{last_access} = $self->last_access;#d# 1587 local $self->{last_access} = $self->last_access;#d#
1311 1588
1589 cf::async {
1590 $_->contr->save for $self->players;
1591 };
1592
1312 if ($uniq) { 1593 if ($uniq) {
1313 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1594 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314 $self->save_objects ($uniq, cf::IO_UNIQUES); 1595 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1315 } else { 1596 } else {
1316 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1597 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317 } 1598 }
1318} 1599}
1319 1600
1320sub swap_out { 1601sub swap_out {
1321 my ($self) = @_; 1602 my ($self) = @_;
1335 1616
1336sub reset_at { 1617sub reset_at {
1337 my ($self) = @_; 1618 my ($self) = @_;
1338 1619
1339 # TODO: safety, remove and allow resettable per-player maps 1620 # TODO: safety, remove and allow resettable per-player maps
1340 return 1e99 if $self->{path}{user_rel}; 1621 return 1e99 if $self->isa ("ext::map_per_player");#d#
1341 return 1e99 if $self->{deny_reset}; 1622 return 1e99 if $self->{deny_reset};
1342 1623
1343 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1624 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1625 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345 1626
1350 my ($self) = @_; 1631 my ($self) = @_;
1351 1632
1352 $self->reset_at <= $cf::RUNTIME 1633 $self->reset_at <= $cf::RUNTIME
1353} 1634}
1354 1635
1355sub unlink_save {
1356 my ($self) = @_;
1357
1358 utf8::encode (my $save = $self->{path}->save_path);
1359 aioreq_pri 3; IO::AIO::aio_unlink $save;
1360 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361}
1362
1363sub rename {
1364 my ($self, $new_path) = @_;
1365
1366 $self->unlink_save;
1367
1368 delete $cf::MAP{$self->path};
1369 $self->{path} = new cf::path $new_path;
1370 $self->path ($self->{path}->as_string);
1371 $cf::MAP{$self->path} = $self;
1372
1373 $self->save;
1374}
1375
1376sub reset { 1636sub reset {
1377 my ($self) = @_; 1637 my ($self) = @_;
1378 1638
1379 my $lock = cf::lock_acquire "map_data:" . $self->path; 1639 my $lock = cf::lock_acquire "map_data:$self->{path}";
1380 1640
1381 return if $self->players; 1641 return if $self->players;
1382 return if $self->{path}{user_rel};#d# 1642 return if $self->isa ("ext::map_per_player");#d#
1383 1643
1384 warn "resetting map ", $self->path;#d# 1644 warn "resetting map ", $self->path;#d#
1385 1645
1646 $self->in_memory (cf::MAP_SWAPPED);
1647
1648 # need to save uniques path
1649 unless ($self->{deny_save}) {
1650 my $uniq = $self->uniq_path; utf8::encode $uniq;
1651
1652 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1653 if $uniq;
1654 }
1655
1386 delete $cf::MAP{$self->path}; 1656 delete $cf::MAP{$self->path};
1657
1658 $self->clear;
1387 1659
1388 $_->clear_links_to ($self) for values %cf::MAP; 1660 $_->clear_links_to ($self) for values %cf::MAP;
1389 1661
1390 $self->unlink_save; 1662 $self->unlink_save;
1391 $self->destroy; 1663 $self->destroy;
1394my $nuke_counter = "aaaa"; 1666my $nuke_counter = "aaaa";
1395 1667
1396sub nuke { 1668sub nuke {
1397 my ($self) = @_; 1669 my ($self) = @_;
1398 1670
1671 delete $cf::MAP{$self->path};
1672
1673 $self->unlink_save;
1674
1675 bless $self, "cf::map";
1676 delete $self->{deny_reset};
1399 $self->{deny_save} = 1; 1677 $self->{deny_save} = 1;
1400 $self->reset_timeout (1); 1678 $self->reset_timeout (1);
1401 $self->rename ("{nuke}/" . ($nuke_counter++)); 1679 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680
1681 $cf::MAP{$self->path} = $self;
1682
1402 $self->reset; # polite request, might not happen 1683 $self->reset; # polite request, might not happen
1403} 1684}
1404 1685
1405sub customise_for { 1686=item cf::map::unique_maps
1406 my ($map, $ob) = @_;
1407 1687
1408 if ($map->per_player) { 1688Returns an arrayref of paths of all shared maps that have
1409 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1689instantiated unique items. May block.
1410 }
1411 1690
1412 $map 1691=cut
1413}
1414 1692
1415sub emergency_save { 1693sub unique_maps() {
1416 my $freeze_guard = cf::freeze_mainloop; 1694 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1695 or return;
1417 1696
1418 warn "enter emergency map save\n"; 1697 my @paths;
1419 1698
1420 cf::sync_job { 1699 for (@$files) {
1421 warn "begin emergency map save\n"; 1700 utf8::decode $_;
1422 $_->save for values %cf::MAP; 1701 next if /\.pst$/;
1702 next unless /^$PATH_SEP/o;
1703
1704 push @paths, cf::map::normalise $_;
1423 }; 1705 }
1424 1706
1425 warn "end emergency map save\n"; 1707 \@paths
1426} 1708}
1427 1709
1428package cf; 1710package cf;
1429 1711
1430=back 1712=back
1431 1713
1714=head3 cf::object
1715
1716=cut
1717
1718package cf::object;
1719
1720=over 4
1721
1722=item $ob->inv_recursive
1723
1724Returns the inventory of the object _and_ their inventories, recursively.
1725
1726=cut
1727
1728sub inv_recursive_;
1729sub inv_recursive_ {
1730 map { $_, inv_recursive_ $_->inv } @_
1731}
1732
1733sub inv_recursive {
1734 inv_recursive_ inv $_[0]
1735}
1736
1737package cf;
1738
1739=back
1432 1740
1433=head3 cf::object::player 1741=head3 cf::object::player
1434 1742
1435=over 4 1743=over 4
1436 1744
1476 1784
1477=item $player_object->enter_link 1785=item $player_object->enter_link
1478 1786
1479Freezes the player and moves him/her to a special map (C<{link}>). 1787Freezes the player and moves him/her to a special map (C<{link}>).
1480 1788
1481The player should be reaosnably safe there for short amounts of time. You 1789The player should be reasonably safe there for short amounts of time. You
1482I<MUST> call C<leave_link> as soon as possible, though. 1790I<MUST> call C<leave_link> as soon as possible, though.
1483 1791
1792Will never block.
1793
1484=item $player_object->leave_link ($map, $x, $y) 1794=item $player_object->leave_link ($map, $x, $y)
1485 1795
1486Moves the player out of the specila link map onto the given map. If the 1796Moves the player out of the special C<{link}> map onto the specified
1487map is not valid (or omitted), the player will be moved back to the 1797map. If the map is not valid (or omitted), the player will be moved back
1488location he/she was before the call to C<enter_link>, or, if that fails, 1798to the location he/she was before the call to C<enter_link>, or, if that
1489to the emergency map position. 1799fails, to the emergency map position.
1490 1800
1491Might block. 1801Might block.
1492 1802
1493=cut 1803=cut
1804
1805sub link_map {
1806 unless ($LINK_MAP) {
1807 $LINK_MAP = cf::map::find "{link}"
1808 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1809 $LINK_MAP->load;
1810 }
1811
1812 $LINK_MAP
1813}
1494 1814
1495sub cf::object::player::enter_link { 1815sub cf::object::player::enter_link {
1496 my ($self) = @_; 1816 my ($self) = @_;
1497 1817
1498 $self->deactivate_recursive; 1818 $self->deactivate_recursive;
1499 1819
1500 return if $self->map == $LINK_MAP; 1820 return if UNIVERSAL::isa $self->map, "ext::map_link";
1501 1821
1502 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1822 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503 if $self->map; 1823 if $self->map;
1504 1824
1505 $self->enter_map ($LINK_MAP, 20, 20); 1825 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1506} 1826}
1507 1827
1508sub cf::object::player::leave_link { 1828sub cf::object::player::leave_link {
1509 my ($self, $map, $x, $y) = @_; 1829 my ($self, $map, $x, $y) = @_;
1510 1830
1528 # use -1 or undef as default coordinates, not 0, 0 1848 # use -1 or undef as default coordinates, not 0, 0
1529 ($x, $y) = ($map->enter_x, $map->enter_y) 1849 ($x, $y) = ($map->enter_x, $map->enter_y)
1530 if $x <=0 && $y <= 0; 1850 if $x <=0 && $y <= 0;
1531 1851
1532 $map->load; 1852 $map->load;
1853 $map->load_diag;
1533 1854
1855 return unless $self->contr->active;
1534 $self->activate_recursive; 1856 $self->activate_recursive;
1857
1858 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535 $self->enter_map ($map, $x, $y); 1859 $self->enter_map ($map, $x, $y);
1536} 1860}
1537 1861
1538cf::player->attach ( 1862cf::player->attach (
1539 on_logout => sub { 1863 on_logout => sub {
1550 my ($pl) = @_; 1874 my ($pl) = @_;
1551 1875
1552 # try to abort aborted map switching on player login :) 1876 # try to abort aborted map switching on player login :)
1553 # should happen only on crashes 1877 # should happen only on crashes
1554 if ($pl->ob->{_link_pos}) { 1878 if ($pl->ob->{_link_pos}) {
1555
1556 $pl->ob->enter_link; 1879 $pl->ob->enter_link;
1557 (async { 1880 (async {
1558 # we need this sleep as the login has a concurrent enter_exit running
1559 # and this sleep increases chances of the player not ending up in scorn
1560 $pl->ob->reply (undef, 1881 $pl->ob->reply (undef,
1561 "There was an internal problem at your last logout, " 1882 "There was an internal problem at your last logout, "
1562 . "the server will try to bring you to your intended destination in a second.", 1883 . "the server will try to bring you to your intended destination in a second.",
1563 cf::NDI_RED); 1884 cf::NDI_RED);
1885 # we need this sleep as the login has a concurrent enter_exit running
1886 # and this sleep increases chances of the player not ending up in scorn
1564 Coro::Timer::sleep 1; 1887 Coro::Timer::sleep 1;
1565 $pl->ob->leave_link; 1888 $pl->ob->leave_link;
1566 })->prio (2); 1889 })->prio (2);
1567 } 1890 }
1568 }, 1891 },
1576 my ($self, $path, $x, $y) = @_; 1899 my ($self, $path, $x, $y) = @_;
1577 1900
1578 $self->enter_link; 1901 $self->enter_link;
1579 1902
1580 (async { 1903 (async {
1581 $path = new cf::path $path; 1904 my $map = eval {
1582
1583 my $map = cf::map::find $path->as_string; 1905 my $map = cf::map::find $path;
1584 $map = $map->customise_for ($self) if $map; 1906 $map = $map->customise_for ($self) if $map;
1585 1907 $map
1586# warn "entering ", $map->path, " at ($x, $y)\n" 1908 } or
1587# if $map;
1588
1589 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1909 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590 1910
1591 $self->leave_link ($map, $x, $y); 1911 $self->leave_link ($map, $x, $y);
1592 })->prio (1); 1912 })->prio (1);
1593} 1913}
1594 1914
1598 1918
1599sub parse_random_map_params { 1919sub parse_random_map_params {
1600 my ($spec) = @_; 1920 my ($spec) = @_;
1601 1921
1602 my $rmp = { # defaults 1922 my $rmp = { # defaults
1603 xsize => 10, 1923 xsize => (cf::rndm 15, 40),
1604 ysize => 10, 1924 ysize => (cf::rndm 15, 40),
1925 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1926 #layout => string,
1605 }; 1927 };
1606 1928
1607 for (split /\n/, $spec) { 1929 for (split /\n/, $spec) {
1608 my ($k, $v) = split /\s+/, $_, 2; 1930 my ($k, $v) = split /\s+/, $_, 2;
1609 1931
1613 $rmp 1935 $rmp
1614} 1936}
1615 1937
1616sub prepare_random_map { 1938sub prepare_random_map {
1617 my ($exit) = @_; 1939 my ($exit) = @_;
1940
1941 my $guard = cf::lock_acquire "exit_prepare:$exit";
1618 1942
1619 # all this does is basically replace the /! path by 1943 # all this does is basically replace the /! path by
1620 # a new random map path (?random/...) with a seed 1944 # a new random map path (?random/...) with a seed
1621 # that depends on the exit object 1945 # that depends on the exit object
1622 1946
1623 my $rmp = parse_random_map_params $exit->msg; 1947 my $rmp = parse_random_map_params $exit->msg;
1624 1948
1625 if ($exit->map) { 1949 if ($exit->map) {
1626 $rmp->{region} = $exit->map->region_name; 1950 $rmp->{region} = $exit->region->name;
1627 $rmp->{origin_map} = $exit->map->path; 1951 $rmp->{origin_map} = $exit->map->path;
1628 $rmp->{origin_x} = $exit->x; 1952 $rmp->{origin_x} = $exit->x;
1629 $rmp->{origin_y} = $exit->y; 1953 $rmp->{origin_y} = $exit->y;
1630 } 1954 }
1631 1955
1632 $rmp->{random_seed} ||= $exit->random_seed; 1956 $rmp->{random_seed} ||= $exit->random_seed;
1633 1957
1634 my $data = cf::to_json $rmp; 1958 my $data = cf::to_json $rmp;
1635 my $md5 = Digest::MD5::md5_hex $data; 1959 my $md5 = Digest::MD5::md5_hex $data;
1960 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636 1961
1637 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1962 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638 aio_write $fh, 0, (length $data), $data, 0; 1963 aio_write $fh, 0, (length $data), $data, 0;
1964 undef $fh;
1965 aio_rename "$meta~", $meta;
1639 1966
1640 $exit->slaying ("?random/$md5"); 1967 $exit->slaying ("?random/$md5");
1641 $exit->msg (undef); 1968 $exit->msg (undef);
1642 } 1969 }
1643} 1970}
1644 1971
1645sub cf::object::player::enter_exit { 1972sub cf::object::player::enter_exit {
1646 my ($self, $exit) = @_; 1973 my ($self, $exit) = @_;
1647 1974
1648 return unless $self->type == cf::PLAYER; 1975 return unless $self->type == cf::PLAYER;
1976
1977 if ($exit->slaying eq "/!") {
1978 #TODO: this should de-fi-ni-te-ly not be a sync-job
1979 # the problem is that $exit might not survive long enough
1980 # so it needs to be done right now, right here
1981 cf::sync_job { prepare_random_map $exit };
1982 }
1983
1984 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985 my $hp = $exit->stats->hp;
1986 my $sp = $exit->stats->sp;
1649 1987
1650 $self->enter_link; 1988 $self->enter_link;
1651 1989
1652 (async { 1990 (async {
1653 $self->deactivate_recursive; # just to be sure 1991 $self->deactivate_recursive; # just to be sure
1654 unless (eval { 1992 unless (eval {
1655 prepare_random_map $exit 1993 $self->goto ($slaying, $hp, $sp);
1656 if $exit->slaying eq "/!";
1657
1658 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1659 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660 1994
1661 1; 1995 1;
1662 }) { 1996 }) {
1663 $self->message ("Something went wrong deep within the crossfire server. " 1997 $self->message ("Something went wrong deep within the crossfire server. "
1664 . "I'll try to bring you back to the map you were before. " 1998 . "I'll try to bring you back to the map you were before. "
1665 . "Please report this to the dungeon master", 1999 . "Please report this to the dungeon master!",
1666 cf::NDI_UNIQUE | cf::NDI_RED); 2000 cf::NDI_UNIQUE | cf::NDI_RED);
1667 2001
1668 warn "ERROR in enter_exit: $@"; 2002 warn "ERROR in enter_exit: $@";
1669 $self->leave_link; 2003 $self->leave_link;
1670 } 2004 }
1671 })->prio (1); 2005 })->prio (1);
1684 2018
1685sub cf::client::send_drawinfo { 2019sub cf::client::send_drawinfo {
1686 my ($self, $text, $flags) = @_; 2020 my ($self, $text, $flags) = @_;
1687 2021
1688 utf8::encode $text; 2022 utf8::encode $text;
1689 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2023 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1690} 2024}
1691 2025
2026=item $client->ext_event ($type, %msg)
2027
2028Sends an exti event to the client.
2029
2030=cut
2031
2032sub cf::client::ext_event($$%) {
2033 my ($self, $type, %msg) = @_;
2034
2035 $msg{msgtype} = "event_$type";
2036 $self->send_packet ("ext " . cf::to_json \%msg);
2037}
1692 2038
1693=item $success = $client->query ($flags, "text", \&cb) 2039=item $success = $client->query ($flags, "text", \&cb)
1694 2040
1695Queues a query to the client, calling the given callback with 2041Queues a query to the client, calling the given callback with
1696the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2042the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1725 # get handled first 2071 # get handled first
1726 my $queue = delete $ns->{query_queue} 2072 my $queue = delete $ns->{query_queue}
1727 or return; # be conservative, not sure how that can happen, but we saw a crash here 2073 or return; # be conservative, not sure how that can happen, but we saw a crash here
1728 2074
1729 (shift @$queue)->[1]->($msg); 2075 (shift @$queue)->[1]->($msg);
2076 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730 2077
1731 push @{ $ns->{query_queue} }, @$queue; 2078 push @{ $ns->{query_queue} }, @$queue;
1732 2079
1733 if (@{ $ns->{query_queue} } == @$queue) { 2080 if (@{ $ns->{query_queue} } == @$queue) {
1734 if (@$queue) { 2081 if (@$queue) {
1792 2139
1793# here we export the classes and methods available to script code 2140# here we export the classes and methods available to script code
1794 2141
1795=pod 2142=pod
1796 2143
1797The following fucntions and emthods are available within a safe environment: 2144The following functions and methods are available within a safe environment:
1798 2145
1799 cf::object contr pay_amount pay_player map 2146 cf::object contr pay_amount pay_player map
1800 cf::object::player player 2147 cf::object::player player
1801 cf::player peaceful 2148 cf::player peaceful
1802 cf::map trigger 2149 cf::map trigger
1895The parameter C<$family> should best start with the name of the extension 2242The parameter C<$family> should best start with the name of the extension
1896using it, it should be unique. 2243using it, it should be unique.
1897 2244
1898=over 4 2245=over 4
1899 2246
1900=item $hashref = cf::db_get $family
1901
1902Return a hashref for use by the extension C<$family>, which can be
1903modified. After modifications, you have to call C<cf::db_dirty> or
1904C<cf::db_sync>.
1905
1906=item $value = cf::db_get $family => $key 2247=item $value = cf::db_get $family => $key
1907 2248
1908Returns a single value from the database 2249Returns a single value from the database.
1909
1910=item cf::db_put $family => $hashref
1911
1912Stores the given family hashref into the database. Updates are delayed, if
1913you want the data to be synced to disk immediately, use C<cf::db_sync>.
1914 2250
1915=item cf::db_put $family => $key => $value 2251=item cf::db_put $family => $key => $value
1916 2252
1917Stores the given C<$value> in the family hash. Updates are delayed, if you 2253Stores the given C<$value> in the family.
1918want the data to be synced to disk immediately, use C<cf::db_sync>.
1919
1920=item cf::db_dirty
1921
1922Marks the database as dirty, to be updated at a later time.
1923
1924=item cf::db_sync
1925
1926Immediately write the database to disk I<if it is dirty>.
1927 2254
1928=cut 2255=cut
1929 2256
1930our $DB; 2257our $DB;
1931 2258
1932{ 2259sub db_init {
2260 unless ($DB) {
2261 $DB = BDB::db_create $DB_ENV;
2262
2263 cf::sync_job {
2264 eval {
2265 $DB->set_flags (BDB::CHKSUM);
2266
2267 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269 cf::cleanup "db_open(db): $!" if $!;
2270 };
2271 cf::cleanup "db_open(db): $@" if $@;
2272 };
2273
1933 my $path = cf::localdir . "/database.pst"; 2274 my $path = cf::localdir . "/database.pst";
2275 if (stat $path) {
2276 cf::sync_job {
2277 my $pst = Storable::retrieve $path;
1934 2278
1935 sub db_load() { 2279 cf::db_put (board => data => $pst->{board});
1936 $DB = stat $path ? Storable::retrieve $path : { }; 2280 cf::db_put (guildrules => data => $pst->{guildrules});
1937 } 2281 cf::db_put (rent => balance => $pst->{rent}{balance});
2282 BDB::db_env_txn_checkpoint $DB_ENV;
1938 2283
1939 my $pid; 2284 unlink $path;
1940
1941 sub db_save() {
1942 waitpid $pid, 0 if $pid;
1943 if (0 == ($pid = fork)) {
1944 $DB->{_meta}{version} = 1;
1945 Storable::nstore $DB, "$path~";
1946 rename "$path~", $path;
1947 cf::_exit 0 if defined $pid;
1948 } 2285 };
1949 }
1950
1951 my $dirty;
1952
1953 sub db_sync() {
1954 db_save if $dirty;
1955 undef $dirty;
1956 }
1957
1958 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1959 db_sync;
1960 });
1961
1962 sub db_dirty() {
1963 $dirty = 1;
1964 $idle->start;
1965 }
1966
1967 sub db_get($;$) {
1968 @_ >= 2
1969 ? $DB->{$_[0]}{$_[1]}
1970 : ($DB->{$_[0]} ||= { })
1971 }
1972
1973 sub db_put($$;$) {
1974 if (@_ >= 3) {
1975 $DB->{$_[0]}{$_[1]} = $_[2];
1976 } else {
1977 $DB->{$_[0]} = $_[1];
1978 }
1979 db_dirty;
1980 }
1981
1982 cf::global->attach (
1983 prio => 10000,
1984 on_cleanup => sub {
1985 db_sync;
1986 }, 2286 }
1987 ); 2287 }
2288}
2289
2290sub db_get($$) {
2291 my $key = "$_[0]/$_[1]";
2292
2293 cf::sync_job {
2294 BDB::db_get $DB, undef, $key, my $data;
2295
2296 $! ? ()
2297 : Compress::LZF::sthaw $data
2298 }
2299}
2300
2301sub db_put($$$) {
2302 BDB::dbreq_pri 4;
2303 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1988} 2304}
1989 2305
1990############################################################################# 2306#############################################################################
1991# the server's main() 2307# the server's init and main functions
2308
2309sub load_facedata {
2310 my $path = sprintf "%s/facedata", cf::datadir;
2311
2312 warn "loading facedata from $path\n";
2313
2314 my $facedata;
2315 0 < aio_load $path, $facedata
2316 or die "$path: $!";
2317
2318 $facedata = Coro::Storable::thaw $facedata;
2319
2320 $facedata->{version} == 2
2321 or cf::cleanup "$path: version mismatch, cannot proceed.";
2322
2323 {
2324 my $faces = $facedata->{faceinfo};
2325
2326 while (my ($face, $info) = each %$faces) {
2327 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2329 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2330 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2331 Coro::cede;
2332 }
2333
2334 while (my ($face, $info) = each %$faces) {
2335 next unless $info->{smooth};
2336 my $idx = cf::face::find $face
2337 or next;
2338 if (my $smooth = cf::face::find $info->{smooth}) {
2339 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2340 } else {
2341 warn "smooth face '$info->{smooth}' not found for face '$face'";
2342 }
2343 Coro::cede;
2344 }
2345 }
2346
2347 {
2348 my $anims = $facedata->{animinfo};
2349
2350 while (my ($anim, $info) = each %$anims) {
2351 cf::anim::set $anim, $info->{frames}, $info->{facings};
2352 Coro::cede;
2353 }
2354
2355 cf::anim::invalidate_all; # d'oh
2356 }
2357
2358 1
2359}
2360
2361sub reload_resources {
2362 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2363 or die "unable to load regions file\n";#d#
2364 load_facedata
2365 or die "unable to load facedata\n";#d#
2366}
2367
2368sub init {
2369 reload_resources;
2370}
1992 2371
1993sub cfg_load { 2372sub cfg_load {
1994 open my $fh, "<:utf8", cf::confdir . "/config" 2373 open my $fh, "<:utf8", cf::confdir . "/config"
1995 or return; 2374 or return;
1996 2375
2002 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2381 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2382 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004 2383
2005 if (exists $CFG{mlockall}) { 2384 if (exists $CFG{mlockall}) {
2006 eval { 2385 eval {
2007 $CFG{mlockall} ? &mlockall : &munlockall 2386 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008 and die "WARNING: m(un)lockall failed: $!\n"; 2387 and die "WARNING: m(un)lockall failed: $!\n";
2009 }; 2388 };
2010 warn $@ if $@; 2389 warn $@ if $@;
2011 } 2390 }
2012} 2391}
2013 2392
2014sub main { 2393sub main {
2015 # we must not ever block the main coroutine 2394 # we must not ever block the main coroutine
2016 local $Coro::idle = sub { 2395 local $Coro::idle = sub {
2017 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2396 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397 (async {
2018 async { Event::one_event }; 2398 Event::one_event;
2399 })->prio (Coro::PRIO_MAX);
2019 }; 2400 };
2020 2401
2021 cfg_load; 2402 cfg_load;
2022 db_load; 2403 db_init;
2023 load_extensions; 2404 load_extensions;
2405
2406 $TICK_WATCHER->start;
2024 Event::loop; 2407 Event::loop;
2025} 2408}
2026 2409
2027############################################################################# 2410#############################################################################
2028# initialisation 2411# initialisation and cleanup
2412
2413# install some emergency cleanup handlers
2414BEGIN {
2415 for my $signal (qw(INT HUP TERM)) {
2416 Event->signal (
2417 reentrant => 0,
2418 data => WF_AUTOCANCEL,
2419 signal => $signal,
2420 prio => 0,
2421 cb => sub {
2422 cf::cleanup "SIG$signal";
2423 },
2424 );
2425 }
2426}
2427
2428sub emergency_save() {
2429 my $freeze_guard = cf::freeze_mainloop;
2430
2431 warn "enter emergency perl save\n";
2432
2433 cf::sync_job {
2434 # use a peculiar iteration method to avoid tripping on perl
2435 # refcount bugs in for. also avoids problems with players
2436 # and maps saved/destroyed asynchronously.
2437 warn "begin emergency player save\n";
2438 for my $login (keys %cf::PLAYER) {
2439 my $pl = $cf::PLAYER{$login} or next;
2440 $pl->valid or next;
2441 $pl->save;
2442 }
2443 warn "end emergency player save\n";
2444
2445 warn "begin emergency map save\n";
2446 for my $path (keys %cf::MAP) {
2447 my $map = $cf::MAP{$path} or next;
2448 $map->valid or next;
2449 $map->save;
2450 }
2451 warn "end emergency map save\n";
2452
2453 warn "begin emergency database checkpoint\n";
2454 BDB::db_env_txn_checkpoint $DB_ENV;
2455 warn "end emergency database checkpoint\n";
2456 };
2457
2458 warn "leave emergency perl save\n";
2459}
2460
2461sub post_cleanup {
2462 my ($make_core) = @_;
2463
2464 warn Carp::longmess "post_cleanup backtrace"
2465 if $make_core;
2466}
2029 2467
2030sub reload() { 2468sub reload() {
2031 # can/must only be called in main 2469 # can/must only be called in main
2032 if ($Coro::current != $Coro::main) { 2470 if ($Coro::current != $Coro::main) {
2033 warn "can only reload from main coroutine\n"; 2471 warn "can only reload from main coroutine";
2034 return; 2472 return;
2035 } 2473 }
2036 2474
2037 warn "reloading..."; 2475 warn "reloading...";
2038 2476
2039 my $guard = freeze_mainloop; 2477 warn "entering sync_job";
2478
2479 cf::sync_job {
2480 cf::write_runtime; # external watchdog should not bark
2040 cf::emergency_save; 2481 cf::emergency_save;
2482 cf::write_runtime; # external watchdog should not bark
2041 2483
2042 eval { 2484 warn "syncing database to disk";
2485 BDB::db_env_txn_checkpoint $DB_ENV;
2486
2043 # if anything goes wrong in here, we should simply crash as we already saved 2487 # if anything goes wrong in here, we should simply crash as we already saved
2044 2488
2045 # cancel all watchers 2489 warn "cancelling all WF_AUTOCANCEL watchers";
2046 for (Event::all_watchers) { 2490 for (Event::all_watchers) {
2047 $_->cancel if $_->data & WF_AUTOCANCEL; 2491 $_->cancel if $_->data & WF_AUTOCANCEL;
2048 } 2492 }
2049 2493
2494 warn "flushing outstanding aio requests";
2495 for (;;) {
2496 BDB::flush;
2497 IO::AIO::flush;
2498 Coro::cede;
2499 last unless IO::AIO::nreqs || BDB::nreqs;
2500 warn "iterate...";
2501 }
2502
2503 ++$RELOAD;
2504
2050 # cancel all extension coros 2505 warn "cancelling all extension coros";
2051 $_->cancel for values %EXT_CORO; 2506 $_->cancel for values %EXT_CORO;
2052 %EXT_CORO = (); 2507 %EXT_CORO = ();
2053 2508
2054 # unload all extensions 2509 warn "removing commands";
2055 for (@exts) { 2510 %COMMAND = ();
2511
2512 warn "removing ext commands";
2513 %EXTCMD = ();
2514
2515 warn "unloading/nuking all extensions";
2516 for my $pkg (@EXTS) {
2056 warn "unloading <$_>"; 2517 warn "... unloading $pkg";
2057 unload_extension $_; 2518
2519 if (my $cb = $pkg->can ("unload")) {
2520 eval {
2521 $cb->($pkg);
2522 1
2523 } or warn "$pkg unloaded, but with errors: $@";
2058 } 2524 }
2059 2525
2526 warn "... nuking $pkg";
2527 Symbol::delete_package $pkg;
2528 }
2529
2060 # unload all modules loaded from $LIBDIR 2530 warn "unloading all perl modules loaded from $LIBDIR";
2061 while (my ($k, $v) = each %INC) { 2531 while (my ($k, $v) = each %INC) {
2062 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2532 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063 2533
2064 warn "removing <$k>"; 2534 warn "... unloading $k";
2065 delete $INC{$k}; 2535 delete $INC{$k};
2066 2536
2067 $k =~ s/\.pm$//; 2537 $k =~ s/\.pm$//;
2068 $k =~ s/\//::/g; 2538 $k =~ s/\//::/g;
2069 2539
2072 } 2542 }
2073 2543
2074 Symbol::delete_package $k; 2544 Symbol::delete_package $k;
2075 } 2545 }
2076 2546
2077 # sync database to disk
2078 cf::db_sync;
2079 IO::AIO::flush;
2080
2081 # get rid of safe::, as good as possible 2547 warn "getting rid of safe::, as good as possible";
2082 Symbol::delete_package "safe::$_" 2548 Symbol::delete_package "safe::$_"
2083 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2549 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084 2550
2085 # remove register_script_function callbacks
2086 # TODO
2087
2088 # unload cf.pm "a bit" 2551 warn "unloading cf.pm \"a bit\"";
2089 delete $INC{"cf.pm"}; 2552 delete $INC{"cf.pm"};
2090 2553
2091 # don't, removes xs symbols, too, 2554 # don't, removes xs symbols, too,
2092 # and global variables created in xs 2555 # and global variables created in xs
2093 #Symbol::delete_package __PACKAGE__; 2556 #Symbol::delete_package __PACKAGE__;
2094 2557
2095 # reload cf.pm 2558 warn "unload completed, starting to reload now";
2559
2096 warn "reloading cf.pm"; 2560 warn "reloading cf.pm";
2097 require cf; 2561 require cf;
2098 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2562 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099 2563
2100 # load config and database again 2564 warn "loading config and database again";
2101 cf::cfg_load; 2565 cf::cfg_load;
2102 cf::db_load;
2103 2566
2104 # load extensions
2105 warn "load extensions"; 2567 warn "loading extensions";
2106 cf::load_extensions; 2568 cf::load_extensions;
2107 2569
2108 # reattach attachments to objects 2570 warn "reattaching attachments to objects/players";
2109 warn "reattach"; 2571 _global_reattach; # objects, sockets
2110 _global_reattach; 2572 warn "reattaching attachments to maps";
2111 }; 2573 reattach $_ for values %MAP;
2574 warn "reattaching attachments to players";
2575 reattach $_ for values %PLAYER;
2112 2576
2113 if ($@) { 2577 warn "loading reloadable resources";
2578 reload_resources;
2579
2580 warn "leaving sync_job";
2581
2582 1
2583 } or do {
2114 warn $@; 2584 warn $@;
2115 warn "error while reloading, exiting."; 2585 warn "error while reloading, exiting.";
2116 exit 1; 2586 exit 1;
2117 } 2587 };
2118 2588
2119 warn "reloaded successfully"; 2589 warn "reloaded";
2120}; 2590};
2121 2591
2122############################################################################# 2592our $RELOAD_WATCHER; # used only during reload
2123
2124unless ($LINK_MAP) {
2125 $LINK_MAP = cf::map::new;
2126
2127 $LINK_MAP->width (41);
2128 $LINK_MAP->height (41);
2129 $LINK_MAP->alloc;
2130 $LINK_MAP->path ("{link}");
2131 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134 # dirty hack because... archetypes are not yet loaded
2135 Event->timer (
2136 after => 2,
2137 cb => sub {
2138 $_[0]->w->cancel;
2139
2140 # provide some exits "home"
2141 my $exit = cf::object::new "exit";
2142
2143 $exit->slaying ($EMERGENCY_POSITION->[0]);
2144 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147 $LINK_MAP->insert ($exit->clone, 19, 19);
2148 $LINK_MAP->insert ($exit->clone, 19, 20);
2149 $LINK_MAP->insert ($exit->clone, 19, 21);
2150 $LINK_MAP->insert ($exit->clone, 20, 19);
2151 $LINK_MAP->insert ($exit->clone, 20, 21);
2152 $LINK_MAP->insert ($exit->clone, 21, 19);
2153 $LINK_MAP->insert ($exit->clone, 21, 20);
2154 $LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156 $exit->destroy;
2157 });
2158
2159 $LINK_MAP->{deny_save} = 1;
2160 $LINK_MAP->{deny_reset} = 1;
2161
2162 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163}
2164
2165register "<global>", __PACKAGE__;
2166 2593
2167register_command "reload" => sub { 2594register_command "reload" => sub {
2168 my ($who, $arg) = @_; 2595 my ($who, $arg) = @_;
2169 2596
2170 if ($who->flag (FLAG_WIZ)) { 2597 if ($who->flag (FLAG_WIZ)) {
2171 $who->message ("start of reload."); 2598 $who->message ("reloading server.");
2599
2600 # doing reload synchronously and two reloads happen back-to-back,
2601 # coro crashes during coro_state_free->destroy here.
2602
2603 $RELOAD_WATCHER ||= Event->timer (
2604 reentrant => 0,
2605 after => 0,
2606 data => WF_AUTOCANCEL,
2607 cb => sub {
2172 reload; 2608 reload;
2173 $who->message ("end of reload."); 2609 undef $RELOAD_WATCHER;
2610 },
2611 );
2174 } 2612 }
2175}; 2613};
2176 2614
2177unshift @INC, $LIBDIR; 2615unshift @INC, $LIBDIR;
2616
2617my $bug_warning = 0;
2178 2618
2179$TICK_WATCHER = Event->timer ( 2619$TICK_WATCHER = Event->timer (
2180 reentrant => 0, 2620 reentrant => 0,
2621 parked => 1,
2181 prio => 0, 2622 prio => 0,
2182 at => $NEXT_TICK || $TICK, 2623 at => $NEXT_TICK || $TICK,
2183 data => WF_AUTOCANCEL, 2624 data => WF_AUTOCANCEL,
2184 cb => sub { 2625 cb => sub {
2626 if ($Coro::current != $Coro::main) {
2627 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628 unless ++$bug_warning > 10;
2629 return;
2630 }
2631
2632 $NOW = Event::time;
2633
2185 cf::server_tick; # one server iteration 2634 cf::server_tick; # one server iteration
2186 $RUNTIME += $TICK; 2635 $RUNTIME += $TICK;
2187 $NEXT_TICK += $TICK; 2636 $NEXT_TICK += $TICK;
2637
2638 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639 $NEXT_RUNTIME_WRITE = $NOW + 10;
2640 Coro::async_pool {
2641 write_runtime
2642 or warn "ERROR: unable to write runtime file: $!";
2643 };
2644 }
2645
2646 $WAIT_FOR_TICK->broadcast;
2647 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649# my $AFTER = Event::time;
2650# warn $AFTER - $NOW;#d#
2188 2651
2189 # if we are delayed by four ticks or more, skip them all 2652 # if we are delayed by four ticks or more, skip them all
2190 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2653 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191 2654
2192 $TICK_WATCHER->at ($NEXT_TICK); 2655 $TICK_WATCHER->at ($NEXT_TICK);
2193 $TICK_WATCHER->start; 2656 $TICK_WATCHER->start;
2194 }, 2657 },
2195); 2658);
2196 2659
2660{
2197IO::AIO::max_poll_time $TICK * 0.2; 2661 BDB::max_poll_time $TICK * 0.1;
2198 2662 $BDB_POLL_WATCHER = Event->io (
2199Event->io ( 2663 reentrant => 0,
2200 fd => IO::AIO::poll_fileno, 2664 fd => BDB::poll_fileno,
2201 poll => 'r', 2665 poll => 'r',
2202 prio => 5, 2666 prio => 0,
2203 data => WF_AUTOCANCEL,
2204 cb => \&IO::AIO::poll_cb,
2205);
2206
2207Event->timer (
2208 data => WF_AUTOCANCEL, 2667 data => WF_AUTOCANCEL,
2209 after => 0, 2668 cb => \&BDB::poll_cb,
2210 interval => 10, 2669 );
2211 cb => sub { 2670 BDB::min_parallel 8;
2212 (Coro::unblock_sub { 2671
2213 write_runtime 2672 BDB::set_sync_prepare {
2214 or warn "ERROR: unable to write runtime file: $!"; 2673 my $status;
2674 my $current = $Coro::current;
2675 (
2676 sub {
2677 $status = $!;
2678 $current->ready; undef $current;
2679 },
2680 sub {
2681 Coro::schedule while defined $current;
2682 $! = $status;
2683 },
2684 )
2685 };
2686
2687 unless ($DB_ENV) {
2688 $DB_ENV = BDB::db_env_create;
2689
2690 cf::sync_job {
2691 eval {
2692 BDB::db_env_open
2693 $DB_ENV,
2694 $BDB_ENV_DIR,
2695 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697 0666;
2698
2699 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2700
2701 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702 $DB_ENV->set_lk_detect;
2703 };
2704
2705 cf::cleanup "db_env_open(db): $@" if $@;
2215 })->(); 2706 };
2216 }, 2707 }
2217); 2708}
2709
2710{
2711 IO::AIO::min_parallel 8;
2712
2713 undef $Coro::AIO::WATCHER;
2714 IO::AIO::max_poll_time $TICK * 0.1;
2715 $AIO_POLL_WATCHER = Event->io (
2716 reentrant => 0,
2717 data => WF_AUTOCANCEL,
2718 fd => IO::AIO::poll_fileno,
2719 poll => 'r',
2720 prio => 6,
2721 cb => \&IO::AIO::poll_cb,
2722 );
2723}
2218 2724
2219END { cf::emergency_save } 2725END { cf::emergency_save }
2220 2726
22211 27271
2222 2728

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