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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 1.238 by root, Sat Apr 14 07:23:00 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
21use Coro::Storable;
19 22
23use BDB ();
24use Data::Dumper;
20use Digest::MD5; 25use Digest::MD5;
21use Fcntl; 26use Fcntl;
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($$%) {
1101 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1102 1146
1103 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1104 1148
1105 $self->send ("ext " . to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1150}
1151
1152=item $player->ext_event ($type, %msg)
1153
1154Sends an ext event to the client.
1155
1156=cut
1157
1158sub ext_event($$%) {
1159 my ($self, $type, %msg) = @_;
1160
1161 $self->ns->ext_event ($type, %msg);
1162}
1163
1164=head3 cf::region
1165
1166=over 4
1167
1168=cut
1169
1170package cf::region;
1171
1172=item cf::region::find_by_path $path
1173
1174Tries to decuce the probable region for a map knowing only its path.
1175
1176=cut
1177
1178sub find_by_path($) {
1179 my ($path) = @_;
1180
1181 my ($match, $specificity);
1182
1183 for my $region (list) {
1184 if ($region->match && $path =~ $region->match) {
1185 ($match, $specificity) = ($region, $region->specificity)
1186 if $region->specificity > $specificity;
1187 }
1188 }
1189
1190 $match
1106} 1191}
1107 1192
1108=back 1193=back
1109
1110 1194
1111=head3 cf::map 1195=head3 cf::map
1112 1196
1113=over 4 1197=over 4
1114 1198
1117package cf::map; 1201package cf::map;
1118 1202
1119use Fcntl; 1203use Fcntl;
1120use Coro::AIO; 1204use Coro::AIO;
1121 1205
1206use overload
1207 '""' => \&as_string,
1208 fallback => 1;
1209
1122our $MAX_RESET = 3600; 1210our $MAX_RESET = 3600;
1123our $DEFAULT_RESET = 3000; 1211our $DEFAULT_RESET = 3000;
1124 1212
1125sub generate_random_map { 1213sub generate_random_map {
1126 my ($path, $rmp) = @_; 1214 my ($self, $rmp) = @_;
1127
1128 # mit "rum" bekleckern, nicht 1215 # mit "rum" bekleckern, nicht
1129 cf::map::_create_random_map 1216 $self->_create_random_map (
1130 $path,
1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1217 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1218 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1219 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134 $rmp->{exit_on_final_map}, 1220 $rmp->{exit_on_final_map},
1135 $rmp->{xsize}, $rmp->{ysize}, 1221 $rmp->{xsize}, $rmp->{ysize},
1136 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1222 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1223 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1224 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1225 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1226 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141 (cf::region::find $rmp->{region}) 1227 (cf::region::find $rmp->{region}), $rmp->{custom}
1228 )
1229}
1230
1231=item cf::map->register ($regex, $prio)
1232
1233Register a handler for the map path matching the given regex at the
1234givne priority (higher is better, built-in handlers have priority 0, the
1235default).
1236
1237=cut
1238
1239sub register {
1240 my (undef, $regex, $prio) = @_;
1241 my $pkg = caller;
1242
1243 no strict;
1244 push @{"$pkg\::ISA"}, __PACKAGE__;
1245
1246 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247}
1248
1249# also paths starting with '/'
1250$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1251
1252sub thawer_merge {
1253 my ($self, $merge) = @_;
1254
1255 # we have to keep some variables in memory intact
1256 local $self->{path};
1257 local $self->{load_path};
1258 local $self->{deny_save};
1259 local $self->{deny_reset};
1260
1261 $self->SUPER::thawer_merge ($merge);
1262}
1263
1264sub normalise {
1265 my ($path, $base) = @_;
1266
1267 $path = "$path"; # make sure its a string
1268
1269 $path =~ s/\.map$//;
1270
1271 # map plan:
1272 #
1273 # /! non-realised random map exit (special hack!)
1274 # {... are special paths that are not being touched
1275 # ?xxx/... are special absolute paths
1276 # ?random/... random maps
1277 # /... normal maps
1278 # ~user/... per-player map of a specific user
1279
1280 $path =~ s/$PATH_SEP/\//go;
1281
1282 # treat it as relative path if it starts with
1283 # something that looks reasonable
1284 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1285 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1286
1287 $base =~ s{[^/]+/?$}{};
1288 $path = "$base/$path";
1289 }
1290
1291 for ($path) {
1292 redo if s{//}{/};
1293 redo if s{/\.?/}{/};
1294 redo if s{/[^/]+/\.\./}{/};
1295 }
1296
1297 $path
1298}
1299
1300sub new_from_path {
1301 my (undef, $path, $base) = @_;
1302
1303 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1304
1305 $path = normalise $path, $base;
1306
1307 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1308 if ($path =~ $EXT_MAP{$pkg}[1]) {
1309 my $self = bless cf::map::new, $pkg;
1310 $self->{path} = $path; $self->path ($path);
1311 $self->init; # pass $1 etc.
1312 return $self;
1313 }
1314 }
1315
1316 Carp::carp "unable to resolve path '$path' (base '$base').";
1317 ()
1318}
1319
1320sub init {
1321 my ($self) = @_;
1322
1323 $self
1324}
1325
1326sub as_string {
1327 my ($self) = @_;
1328
1329 "$self->{path}"
1330}
1331
1332# the displayed name, this is a one way mapping
1333sub visible_name {
1334 &as_string
1335}
1336
1337# the original (read-only) location
1338sub load_path {
1339 my ($self) = @_;
1340
1341 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1342}
1343
1344# the temporary/swap location
1345sub save_path {
1346 my ($self) = @_;
1347
1348 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1350}
1351
1352# the unique path, undef == no special unique path
1353sub uniq_path {
1354 my ($self) = @_;
1355
1356 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142} 1358}
1143 1359
1144# and all this just because we cannot iterate over 1360# and all this just because we cannot iterate over
1145# all maps in C++... 1361# all maps in C++...
1146sub change_all_map_light { 1362sub change_all_map_light {
1148 1364
1149 $_->change_map_light ($change) 1365 $_->change_map_light ($change)
1150 for grep $_->outdoor, values %cf::MAP; 1366 for grep $_->outdoor, values %cf::MAP;
1151} 1367}
1152 1368
1369sub unlink_save {
1370 my ($self) = @_;
1371
1372 utf8::encode (my $save = $self->save_path);
1373 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1374 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1375}
1376
1153sub try_load_header($) { 1377sub load_header_from($) {
1154 my ($path) = @_; 1378 my ($self, $path) = @_;
1155 1379
1156 utf8::encode $path; 1380 utf8::encode $path;
1157 aio_open $path, O_RDONLY, 0 1381 #aio_open $path, O_RDONLY, 0
1382 # or return;
1383
1384 $self->_load_header ($path)
1158 or return; 1385 or return;
1159 1386
1160 my $map = cf::map::new 1387 $self->{load_path} = $path;
1388
1389 1
1390}
1391
1392sub load_header_orig {
1393 my ($self) = @_;
1394
1395 $self->load_header_from ($self->load_path)
1396}
1397
1398sub load_header_temp {
1399 my ($self) = @_;
1400
1401 $self->load_header_from ($self->save_path)
1402}
1403
1404sub prepare_temp {
1405 my ($self) = @_;
1406
1407 $self->last_access ((delete $self->{last_access})
1408 || $cf::RUNTIME); #d#
1409 # safety
1410 $self->{instantiate_time} = $cf::RUNTIME
1411 if $self->{instantiate_time} > $cf::RUNTIME;
1412}
1413
1414sub prepare_orig {
1415 my ($self) = @_;
1416
1417 $self->{load_original} = 1;
1418 $self->{instantiate_time} = $cf::RUNTIME;
1419 $self->last_access ($cf::RUNTIME);
1420 $self->instantiate;
1421}
1422
1423sub load_header {
1424 my ($self) = @_;
1425
1426 if ($self->load_header_temp) {
1427 $self->prepare_temp;
1428 } else {
1429 $self->load_header_orig
1161 or return; 1430 or return;
1431 $self->prepare_orig;
1432 }
1162 1433
1163 # for better error messages only, will be overwritten 1434 $self->default_region (cf::region::find_by_path $self->{path})
1164 $map->path ($path); 1435 unless $self->default_region;
1165 1436
1166 $map->load_header ($path) 1437 1
1167 or return;
1168
1169 $map->{load_path} = $path;
1170
1171 $map
1172} 1438}
1173 1439
1174sub find; 1440sub find;
1175sub find { 1441sub find {
1176 my ($path, $origin) = @_; 1442 my ($path, $origin) = @_;
1177 1443
1178 #warn "find<$path,$origin>\n";#d#
1179
1180 $path = new cf::path $path, $origin && $origin->path; 1444 $path = normalise $path, $origin && $origin->path;
1181 my $key = $path->as_string;
1182 1445
1183 cf::lock_wait "map_find:$key"; 1446 cf::lock_wait "map_find:$path";
1184 1447
1185 $cf::MAP{$key} || do { 1448 $cf::MAP{$path} || do {
1186 my $guard = cf::lock_acquire "map_find:$key"; 1449 my $guard = cf::lock_acquire "map_find:$path";
1187 1450 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; 1451 or return;
1207 1452
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; 1453 $map->{last_save} = $cf::RUNTIME;
1220 1454
1221 Coro::cede; 1455 $map->load_header
1456 or return;
1222 1457
1223 if ($map->should_reset) { 1458 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1459 # doing this can freeze the server in a sync job, obviously
1460 #$cf::WAIT_FOR_TICK->wait;
1224 $map->reset; 1461 $map->reset;
1225 undef $guard; 1462 undef $guard;
1226 $map = find $path 1463 return find $path;
1227 or return;
1228 } 1464 }
1229 1465
1230 $cf::MAP{$key} = $map 1466 $cf::MAP{$path} = $map
1231 } 1467 }
1232} 1468}
1469
1470sub pre_load { }
1471sub post_load { }
1233 1472
1234sub load { 1473sub load {
1235 my ($self) = @_; 1474 my ($self) = @_;
1236 1475
1476 local $self->{deny_reset} = 1; # loading can take a long time
1477
1237 my $path = $self->{path}; 1478 my $path = $self->{path};
1238 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1479 my $guard = cf::lock_acquire "map_load:$path";
1239 1480
1240 return if $self->in_memory != cf::MAP_SWAPPED; 1481 return if $self->in_memory != cf::MAP_SWAPPED;
1241 1482
1242 $self->in_memory (cf::MAP_LOADING); 1483 $self->in_memory (cf::MAP_LOADING);
1243 1484
1244 $self->alloc; 1485 $self->alloc;
1486
1487 $self->pre_load;
1488
1245 $self->load_objects ($self->{load_path}, 1) 1489 $self->_load_objects ($self->{load_path}, 1)
1246 or return; 1490 or return;
1247 1491
1248 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1492 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249 if delete $self->{load_original}; 1493 if delete $self->{load_original};
1250 1494
1251 if (my $uniq = $path->uniq_path) { 1495 if (my $uniq = $self->uniq_path) {
1252 utf8::encode $uniq; 1496 utf8::encode $uniq;
1253 if (aio_open $uniq, O_RDONLY, 0) { 1497 if (aio_open $uniq, O_RDONLY, 0) {
1254 $self->clear_unique_items; 1498 $self->clear_unique_items;
1255 $self->load_objects ($uniq, 0); 1499 $self->_load_objects ($uniq, 0);
1256 } 1500 }
1257 } 1501 }
1258 1502
1259 Coro::cede; 1503 Coro::cede;
1260 1504
1261 # now do the right thing for maps 1505 # now do the right thing for maps
1262 $self->link_multipart_objects; 1506 $self->link_multipart_objects;
1263 1507
1264 if ($self->{path}->is_style_map) { 1508 unless ($self->{deny_activate}) {
1265 $self->{deny_save} = 1; 1509 $self->decay_objects;
1266 $self->{deny_reset} = 1;
1267 } else {
1268 $self->fix_auto_apply; 1510 $self->fix_auto_apply;
1269 $self->decay_objects;
1270 $self->update_buttons; 1511 $self->update_buttons;
1512 Coro::cede;
1271 $self->set_darkness_map; 1513 $self->set_darkness_map;
1272 $self->difficulty ($self->estimate_difficulty) 1514 $self->difficulty ($self->estimate_difficulty)
1273 unless $self->difficulty; 1515 unless $self->difficulty;
1516 Coro::cede;
1274 $self->activate; 1517 $self->activate;
1275 } 1518 }
1276 1519
1277 Coro::cede; 1520 $self->post_load;
1278 1521
1279 $self->in_memory (cf::MAP_IN_MEMORY); 1522 $self->in_memory (cf::MAP_IN_MEMORY);
1523}
1524
1525sub customise_for {
1526 my ($self, $ob) = @_;
1527
1528 return find "~" . $ob->name . "/" . $self->{path}
1529 if $self->per_player;
1530
1531 $self
1532}
1533
1534# find and load all maps in the 3x3 area around a map
1535sub load_diag {
1536 my ($map) = @_;
1537
1538 my @diag; # diagonal neighbours
1539
1540 for (0 .. 3) {
1541 my $neigh = $map->tile_path ($_)
1542 or next;
1543 $neigh = find $neigh, $map
1544 or next;
1545 $neigh->load;
1546
1547 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1548 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1549 }
1550
1551 for (@diag) {
1552 my $neigh = find @$_
1553 or next;
1554 $neigh->load;
1555 }
1280} 1556}
1281 1557
1282sub find_sync { 1558sub find_sync {
1283 my ($path, $origin) = @_; 1559 my ($path, $origin) = @_;
1284 1560
1285 cf::sync_job { cf::map::find $path, $origin } 1561 cf::sync_job { find $path, $origin }
1286} 1562}
1287 1563
1288sub do_load_sync { 1564sub do_load_sync {
1289 my ($map) = @_; 1565 my ($map) = @_;
1290 1566
1291 cf::sync_job { $map->load }; 1567 cf::sync_job { $map->load };
1292} 1568}
1293 1569
1570our %MAP_PREFETCH;
1571our $MAP_PREFETCHER = undef;
1572
1573sub find_async {
1574 my ($path, $origin) = @_;
1575
1576 $path = normalise $path, $origin && $origin->{path};
1577
1578 if (my $map = $cf::MAP{$path}) {
1579 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1580 }
1581
1582 undef $MAP_PREFETCH{$path};
1583 $MAP_PREFETCHER ||= cf::async {
1584 while (%MAP_PREFETCH) {
1585 for my $path (keys %MAP_PREFETCH) {
1586 my $map = find $path
1587 or next;
1588 $map->load;
1589
1590 delete $MAP_PREFETCH{$path};
1591 }
1592 }
1593 undef $MAP_PREFETCHER;
1594 };
1595 $MAP_PREFETCHER->prio (6);
1596
1597 ()
1598}
1599
1294sub save { 1600sub save {
1295 my ($self) = @_; 1601 my ($self) = @_;
1296 1602
1297 my $lock = cf::lock_acquire "map_data:" . $self->path; 1603 my $lock = cf::lock_acquire "map_data:" . $self->path;
1298 1604
1299 $self->{last_save} = $cf::RUNTIME; 1605 $self->{last_save} = $cf::RUNTIME;
1300 1606
1301 return unless $self->dirty; 1607 return unless $self->dirty;
1302 1608
1303 my $save = $self->{path}->save_path; utf8::encode $save; 1609 my $save = $self->save_path; utf8::encode $save;
1304 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1610 my $uniq = $self->uniq_path; utf8::encode $uniq;
1305 1611
1306 $self->{load_path} = $save; 1612 $self->{load_path} = $save;
1307 1613
1308 return if $self->{deny_save}; 1614 return if $self->{deny_save};
1309 1615
1310 local $self->{last_access} = $self->last_access;#d# 1616 local $self->{last_access} = $self->last_access;#d#
1311 1617
1618 cf::async {
1619 $_->contr->save for $self->players;
1620 };
1621
1312 if ($uniq) { 1622 if ($uniq) {
1313 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1623 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314 $self->save_objects ($uniq, cf::IO_UNIQUES); 1624 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1315 } else { 1625 } else {
1316 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1626 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317 } 1627 }
1318} 1628}
1319 1629
1320sub swap_out { 1630sub swap_out {
1321 my ($self) = @_; 1631 my ($self) = @_;
1335 1645
1336sub reset_at { 1646sub reset_at {
1337 my ($self) = @_; 1647 my ($self) = @_;
1338 1648
1339 # TODO: safety, remove and allow resettable per-player maps 1649 # TODO: safety, remove and allow resettable per-player maps
1340 return 1e99 if $self->{path}{user_rel}; 1650 return 1e99 if $self->isa ("ext::map_per_player");#d#
1341 return 1e99 if $self->{deny_reset}; 1651 return 1e99 if $self->{deny_reset};
1342 1652
1343 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1653 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1654 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345 1655
1350 my ($self) = @_; 1660 my ($self) = @_;
1351 1661
1352 $self->reset_at <= $cf::RUNTIME 1662 $self->reset_at <= $cf::RUNTIME
1353} 1663}
1354 1664
1355sub unlink_save {
1356 my ($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 $self->save;
1374}
1375
1376sub reset { 1665sub reset {
1377 my ($self) = @_; 1666 my ($self) = @_;
1378 1667
1379 my $lock = cf::lock_acquire "map_data:" . $self->path; 1668 my $lock = cf::lock_acquire "map_data:$self->{path}";
1380 1669
1381 return if $self->players; 1670 return if $self->players;
1382 return if $self->{path}{user_rel};#d# 1671 return if $self->isa ("ext::map_per_player");#d#
1383 1672
1384 warn "resetting map ", $self->path;#d# 1673 warn "resetting map ", $self->path;#d#
1385 1674
1675 $self->in_memory (cf::MAP_SWAPPED);
1676
1677 # need to save uniques path
1678 unless ($self->{deny_save}) {
1679 my $uniq = $self->uniq_path; utf8::encode $uniq;
1680
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1682 if $uniq;
1683 }
1684
1386 delete $cf::MAP{$self->path}; 1685 delete $cf::MAP{$self->path};
1686
1687 $self->clear;
1387 1688
1388 $_->clear_links_to ($self) for values %cf::MAP; 1689 $_->clear_links_to ($self) for values %cf::MAP;
1389 1690
1390 $self->unlink_save; 1691 $self->unlink_save;
1391 $self->destroy; 1692 $self->destroy;
1394my $nuke_counter = "aaaa"; 1695my $nuke_counter = "aaaa";
1395 1696
1396sub nuke { 1697sub nuke {
1397 my ($self) = @_; 1698 my ($self) = @_;
1398 1699
1700 delete $cf::MAP{$self->path};
1701
1702 $self->unlink_save;
1703
1704 bless $self, "cf::map";
1705 delete $self->{deny_reset};
1399 $self->{deny_save} = 1; 1706 $self->{deny_save} = 1;
1400 $self->reset_timeout (1); 1707 $self->reset_timeout (1);
1401 $self->rename ("{nuke}/" . ($nuke_counter++)); 1708 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709
1710 $cf::MAP{$self->path} = $self;
1711
1402 $self->reset; # polite request, might not happen 1712 $self->reset; # polite request, might not happen
1403} 1713}
1404 1714
1405sub customise_for { 1715=item cf::map::unique_maps
1406 my ($map, $ob) = @_;
1407 1716
1408 if ($map->per_player) { 1717Returns an arrayref of paths of all shared maps that have
1409 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1718instantiated unique items. May block.
1410 }
1411 1719
1412 $map 1720=cut
1413}
1414 1721
1415sub emergency_save { 1722sub unique_maps() {
1416 my $freeze_guard = cf::freeze_mainloop; 1723 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1724 or return;
1417 1725
1418 warn "enter emergency map save\n"; 1726 my @paths;
1419 1727
1420 cf::sync_job { 1728 for (@$files) {
1421 warn "begin emergency map save\n"; 1729 utf8::decode $_;
1422 $_->save for values %cf::MAP; 1730 next if /\.pst$/;
1731 next unless /^$PATH_SEP/o;
1732
1733 push @paths, cf::map::normalise $_;
1423 }; 1734 }
1424 1735
1425 warn "end emergency map save\n"; 1736 \@paths
1426} 1737}
1427 1738
1428package cf; 1739package cf;
1429 1740
1430=back 1741=back
1431 1742
1743=head3 cf::object
1744
1745=cut
1746
1747package cf::object;
1748
1749=over 4
1750
1751=item $ob->inv_recursive
1752
1753Returns the inventory of the object _and_ their inventories, recursively.
1754
1755=cut
1756
1757sub inv_recursive_;
1758sub inv_recursive_ {
1759 map { $_, inv_recursive_ $_->inv } @_
1760}
1761
1762sub inv_recursive {
1763 inv_recursive_ inv $_[0]
1764}
1765
1766package cf;
1767
1768=back
1432 1769
1433=head3 cf::object::player 1770=head3 cf::object::player
1434 1771
1435=over 4 1772=over 4
1436 1773
1476 1813
1477=item $player_object->enter_link 1814=item $player_object->enter_link
1478 1815
1479Freezes the player and moves him/her to a special map (C<{link}>). 1816Freezes the player and moves him/her to a special map (C<{link}>).
1480 1817
1481The player should be reaosnably safe there for short amounts of time. You 1818The player should be reasonably safe there for short amounts of time. You
1482I<MUST> call C<leave_link> as soon as possible, though. 1819I<MUST> call C<leave_link> as soon as possible, though.
1483 1820
1821Will never block.
1822
1484=item $player_object->leave_link ($map, $x, $y) 1823=item $player_object->leave_link ($map, $x, $y)
1485 1824
1486Moves the player out of the specila link map onto the given map. If the 1825Moves the player out of the special C<{link}> map onto the specified
1487map is not valid (or omitted), the player will be moved back to the 1826map. If the map is not valid (or omitted), the player will be moved back
1488location he/she was before the call to C<enter_link>, or, if that fails, 1827to the location he/she was before the call to C<enter_link>, or, if that
1489to the emergency map position. 1828fails, to the emergency map position.
1490 1829
1491Might block. 1830Might block.
1492 1831
1493=cut 1832=cut
1833
1834sub link_map {
1835 unless ($LINK_MAP) {
1836 $LINK_MAP = cf::map::find "{link}"
1837 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1838 $LINK_MAP->load;
1839 }
1840
1841 $LINK_MAP
1842}
1494 1843
1495sub cf::object::player::enter_link { 1844sub cf::object::player::enter_link {
1496 my ($self) = @_; 1845 my ($self) = @_;
1497 1846
1498 $self->deactivate_recursive; 1847 $self->deactivate_recursive;
1499 1848
1500 return if $self->map == $LINK_MAP; 1849 return if UNIVERSAL::isa $self->map, "ext::map_link";
1501 1850
1502 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1851 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503 if $self->map; 1852 if $self->map;
1504 1853
1505 $self->enter_map ($LINK_MAP, 20, 20); 1854 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1506} 1855}
1507 1856
1508sub cf::object::player::leave_link { 1857sub cf::object::player::leave_link {
1509 my ($self, $map, $x, $y) = @_; 1858 my ($self, $map, $x, $y) = @_;
1510 1859
1528 # use -1 or undef as default coordinates, not 0, 0 1877 # use -1 or undef as default coordinates, not 0, 0
1529 ($x, $y) = ($map->enter_x, $map->enter_y) 1878 ($x, $y) = ($map->enter_x, $map->enter_y)
1530 if $x <=0 && $y <= 0; 1879 if $x <=0 && $y <= 0;
1531 1880
1532 $map->load; 1881 $map->load;
1882 $map->load_diag;
1533 1883
1884 return unless $self->contr->active;
1534 $self->activate_recursive; 1885 $self->activate_recursive;
1886
1887 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535 $self->enter_map ($map, $x, $y); 1888 $self->enter_map ($map, $x, $y);
1536} 1889}
1537 1890
1538cf::player->attach ( 1891cf::player->attach (
1539 on_logout => sub { 1892 on_logout => sub {
1550 my ($pl) = @_; 1903 my ($pl) = @_;
1551 1904
1552 # try to abort aborted map switching on player login :) 1905 # try to abort aborted map switching on player login :)
1553 # should happen only on crashes 1906 # should happen only on crashes
1554 if ($pl->ob->{_link_pos}) { 1907 if ($pl->ob->{_link_pos}) {
1555
1556 $pl->ob->enter_link; 1908 $pl->ob->enter_link;
1557 (async { 1909 (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, 1910 $pl->ob->reply (undef,
1561 "There was an internal problem at your last logout, " 1911 "There was an internal problem at your last logout, "
1562 . "the server will try to bring you to your intended destination in a second.", 1912 . "the server will try to bring you to your intended destination in a second.",
1563 cf::NDI_RED); 1913 cf::NDI_RED);
1914 # we need this sleep as the login has a concurrent enter_exit running
1915 # and this sleep increases chances of the player not ending up in scorn
1564 Coro::Timer::sleep 1; 1916 Coro::Timer::sleep 1;
1565 $pl->ob->leave_link; 1917 $pl->ob->leave_link;
1566 })->prio (2); 1918 })->prio (2);
1567 } 1919 }
1568 }, 1920 },
1576 my ($self, $path, $x, $y) = @_; 1928 my ($self, $path, $x, $y) = @_;
1577 1929
1578 $self->enter_link; 1930 $self->enter_link;
1579 1931
1580 (async { 1932 (async {
1581 $path = new cf::path $path; 1933 my $map = eval {
1582
1583 my $map = cf::map::find $path->as_string; 1934 my $map = cf::map::find $path;
1584 $map = $map->customise_for ($self) if $map; 1935 $map = $map->customise_for ($self) if $map;
1585 1936 $map
1586# warn "entering ", $map->path, " at ($x, $y)\n" 1937 } or
1587# if $map;
1588
1589 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1938 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590 1939
1591 $self->leave_link ($map, $x, $y); 1940 $self->leave_link ($map, $x, $y);
1592 })->prio (1); 1941 })->prio (1);
1593} 1942}
1594 1943
1598 1947
1599sub parse_random_map_params { 1948sub parse_random_map_params {
1600 my ($spec) = @_; 1949 my ($spec) = @_;
1601 1950
1602 my $rmp = { # defaults 1951 my $rmp = { # defaults
1603 xsize => 10, 1952 xsize => (cf::rndm 15, 40),
1604 ysize => 10, 1953 ysize => (cf::rndm 15, 40),
1954 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1955 #layout => string,
1605 }; 1956 };
1606 1957
1607 for (split /\n/, $spec) { 1958 for (split /\n/, $spec) {
1608 my ($k, $v) = split /\s+/, $_, 2; 1959 my ($k, $v) = split /\s+/, $_, 2;
1609 1960
1613 $rmp 1964 $rmp
1614} 1965}
1615 1966
1616sub prepare_random_map { 1967sub prepare_random_map {
1617 my ($exit) = @_; 1968 my ($exit) = @_;
1969
1970 my $guard = cf::lock_acquire "exit_prepare:$exit";
1618 1971
1619 # all this does is basically replace the /! path by 1972 # all this does is basically replace the /! path by
1620 # a new random map path (?random/...) with a seed 1973 # a new random map path (?random/...) with a seed
1621 # that depends on the exit object 1974 # that depends on the exit object
1622 1975
1623 my $rmp = parse_random_map_params $exit->msg; 1976 my $rmp = parse_random_map_params $exit->msg;
1624 1977
1625 if ($exit->map) { 1978 if ($exit->map) {
1626 $rmp->{region} = $exit->map->region_name; 1979 $rmp->{region} = $exit->region->name;
1627 $rmp->{origin_map} = $exit->map->path; 1980 $rmp->{origin_map} = $exit->map->path;
1628 $rmp->{origin_x} = $exit->x; 1981 $rmp->{origin_x} = $exit->x;
1629 $rmp->{origin_y} = $exit->y; 1982 $rmp->{origin_y} = $exit->y;
1630 } 1983 }
1631 1984
1632 $rmp->{random_seed} ||= $exit->random_seed; 1985 $rmp->{random_seed} ||= $exit->random_seed;
1633 1986
1634 my $data = cf::to_json $rmp; 1987 my $data = cf::to_json $rmp;
1635 my $md5 = Digest::MD5::md5_hex $data; 1988 my $md5 = Digest::MD5::md5_hex $data;
1989 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636 1990
1637 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1991 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638 aio_write $fh, 0, (length $data), $data, 0; 1992 aio_write $fh, 0, (length $data), $data, 0;
1993 undef $fh;
1994 aio_rename "$meta~", $meta;
1639 1995
1640 $exit->slaying ("?random/$md5"); 1996 $exit->slaying ("?random/$md5");
1641 $exit->msg (undef); 1997 $exit->msg (undef);
1642 } 1998 }
1643} 1999}
1644 2000
1645sub cf::object::player::enter_exit { 2001sub cf::object::player::enter_exit {
1646 my ($self, $exit) = @_; 2002 my ($self, $exit) = @_;
1647 2003
1648 return unless $self->type == cf::PLAYER; 2004 return unless $self->type == cf::PLAYER;
2005
2006 if ($exit->slaying eq "/!") {
2007 #TODO: this should de-fi-ni-te-ly not be a sync-job
2008 # the problem is that $exit might not survive long enough
2009 # so it needs to be done right now, right here
2010 cf::sync_job { prepare_random_map $exit };
2011 }
2012
2013 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014 my $hp = $exit->stats->hp;
2015 my $sp = $exit->stats->sp;
1649 2016
1650 $self->enter_link; 2017 $self->enter_link;
1651 2018
1652 (async { 2019 (async {
1653 $self->deactivate_recursive; # just to be sure 2020 $self->deactivate_recursive; # just to be sure
1654 unless (eval { 2021 unless (eval {
1655 prepare_random_map $exit 2022 $self->goto ($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 2023
1661 1; 2024 1;
1662 }) { 2025 }) {
1663 $self->message ("Something went wrong deep within the crossfire server. " 2026 $self->message ("Something went wrong deep within the crossfire server. "
1664 . "I'll try to bring you back to the map you were before. " 2027 . "I'll try to bring you back to the map you were before. "
1665 . "Please report this to the dungeon master", 2028 . "Please report this to the dungeon master!",
1666 cf::NDI_UNIQUE | cf::NDI_RED); 2029 cf::NDI_UNIQUE | cf::NDI_RED);
1667 2030
1668 warn "ERROR in enter_exit: $@"; 2031 warn "ERROR in enter_exit: $@";
1669 $self->leave_link; 2032 $self->leave_link;
1670 } 2033 }
1671 })->prio (1); 2034 })->prio (1);
1684 2047
1685sub cf::client::send_drawinfo { 2048sub cf::client::send_drawinfo {
1686 my ($self, $text, $flags) = @_; 2049 my ($self, $text, $flags) = @_;
1687 2050
1688 utf8::encode $text; 2051 utf8::encode $text;
1689 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2052 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1690} 2053}
1691 2054
2055=item $client->ext_event ($type, %msg)
2056
2057Sends an exti event to the client.
2058
2059=cut
2060
2061sub cf::client::ext_event($$%) {
2062 my ($self, $type, %msg) = @_;
2063
2064 $msg{msgtype} = "event_$type";
2065 $self->send_packet ("ext " . cf::to_json \%msg);
2066}
1692 2067
1693=item $success = $client->query ($flags, "text", \&cb) 2068=item $success = $client->query ($flags, "text", \&cb)
1694 2069
1695Queues a query to the client, calling the given callback with 2070Queues a query to the client, calling the given callback with
1696the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2071the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1725 # get handled first 2100 # get handled first
1726 my $queue = delete $ns->{query_queue} 2101 my $queue = delete $ns->{query_queue}
1727 or return; # be conservative, not sure how that can happen, but we saw a crash here 2102 or return; # be conservative, not sure how that can happen, but we saw a crash here
1728 2103
1729 (shift @$queue)->[1]->($msg); 2104 (shift @$queue)->[1]->($msg);
2105 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730 2106
1731 push @{ $ns->{query_queue} }, @$queue; 2107 push @{ $ns->{query_queue} }, @$queue;
1732 2108
1733 if (@{ $ns->{query_queue} } == @$queue) { 2109 if (@{ $ns->{query_queue} } == @$queue) {
1734 if (@$queue) { 2110 if (@$queue) {
1792 2168
1793# here we export the classes and methods available to script code 2169# here we export the classes and methods available to script code
1794 2170
1795=pod 2171=pod
1796 2172
1797The following fucntions and emthods are available within a safe environment: 2173The following functions and methods are available within a safe environment:
1798 2174
1799 cf::object contr pay_amount pay_player map 2175 cf::object contr pay_amount pay_player map
1800 cf::object::player player 2176 cf::object::player player
1801 cf::player peaceful 2177 cf::player peaceful
1802 cf::map trigger 2178 cf::map trigger
1895The parameter C<$family> should best start with the name of the extension 2271The parameter C<$family> should best start with the name of the extension
1896using it, it should be unique. 2272using it, it should be unique.
1897 2273
1898=over 4 2274=over 4
1899 2275
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 2276=item $value = cf::db_get $family => $key
1907 2277
1908Returns a single value from the database 2278Returns 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 2279
1915=item cf::db_put $family => $key => $value 2280=item cf::db_put $family => $key => $value
1916 2281
1917Stores the given C<$value> in the family hash. Updates are delayed, if you 2282Stores 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 2283
1928=cut 2284=cut
1929 2285
1930our $DB; 2286our $DB;
1931 2287
1932{ 2288sub db_init {
2289 unless ($DB) {
2290 $DB = BDB::db_create $DB_ENV;
2291
2292 cf::sync_job {
2293 eval {
2294 $DB->set_flags (BDB::CHKSUM);
2295
2296 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298 cf::cleanup "db_open(db): $!" if $!;
2299 };
2300 cf::cleanup "db_open(db): $@" if $@;
2301 };
2302
1933 my $path = cf::localdir . "/database.pst"; 2303 my $path = cf::localdir . "/database.pst";
2304 if (stat $path) {
2305 cf::sync_job {
2306 my $pst = Storable::retrieve $path;
1934 2307
1935 sub db_load() { 2308 cf::db_put (board => data => $pst->{board});
1936 $DB = stat $path ? Storable::retrieve $path : { }; 2309 cf::db_put (guildrules => data => $pst->{guildrules});
1937 } 2310 cf::db_put (rent => balance => $pst->{rent}{balance});
2311 BDB::db_env_txn_checkpoint $DB_ENV;
1938 2312
1939 my $pid; 2313 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 } 2314 };
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 }, 2315 }
1987 ); 2316 }
2317}
2318
2319sub db_get($$) {
2320 my $key = "$_[0]/$_[1]";
2321
2322 cf::sync_job {
2323 BDB::db_get $DB, undef, $key, my $data;
2324
2325 $! ? ()
2326 : Compress::LZF::sthaw $data
2327 }
2328}
2329
2330sub db_put($$$) {
2331 BDB::dbreq_pri 4;
2332 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1988} 2333}
1989 2334
1990############################################################################# 2335#############################################################################
1991# the server's main() 2336# the server's init and main functions
2337
2338sub load_facedata {
2339 my $path = sprintf "%s/facedata", cf::datadir;
2340
2341 warn "loading facedata from $path\n";
2342
2343 my $facedata;
2344 0 < aio_load $path, $facedata
2345 or die "$path: $!";
2346
2347 $facedata = Coro::Storable::thaw $facedata;
2348
2349 $facedata->{version} == 2
2350 or cf::cleanup "$path: version mismatch, cannot proceed.";
2351
2352 {
2353 my $faces = $facedata->{faceinfo};
2354
2355 while (my ($face, $info) = each %$faces) {
2356 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2357 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2358 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2359 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2360 Coro::cede;
2361 }
2362
2363 while (my ($face, $info) = each %$faces) {
2364 next unless $info->{smooth};
2365 my $idx = cf::face::find $face
2366 or next;
2367 if (my $smooth = cf::face::find $info->{smooth}) {
2368 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2369 } else {
2370 warn "smooth face '$info->{smooth}' not found for face '$face'";
2371 }
2372 Coro::cede;
2373 }
2374 }
2375
2376 {
2377 my $anims = $facedata->{animinfo};
2378
2379 while (my ($anim, $info) = each %$anims) {
2380 cf::anim::set $anim, $info->{frames}, $info->{facings};
2381 Coro::cede;
2382 }
2383
2384 cf::anim::invalidate_all; # d'oh
2385 }
2386
2387 1
2388}
2389
2390sub reload_resources {
2391 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2392 or die "unable to load regions file\n";#d#
2393 load_facedata
2394 or die "unable to load facedata\n";#d#
2395}
2396
2397sub init {
2398 reload_resources;
2399}
1992 2400
1993sub cfg_load { 2401sub cfg_load {
1994 open my $fh, "<:utf8", cf::confdir . "/config" 2402 open my $fh, "<:utf8", cf::confdir . "/config"
1995 or return; 2403 or return;
1996 2404
2002 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2410 $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}; 2411 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004 2412
2005 if (exists $CFG{mlockall}) { 2413 if (exists $CFG{mlockall}) {
2006 eval { 2414 eval {
2007 $CFG{mlockall} ? &mlockall : &munlockall 2415 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008 and die "WARNING: m(un)lockall failed: $!\n"; 2416 and die "WARNING: m(un)lockall failed: $!\n";
2009 }; 2417 };
2010 warn $@ if $@; 2418 warn $@ if $@;
2011 } 2419 }
2012} 2420}
2013 2421
2014sub main { 2422sub main {
2015 # we must not ever block the main coroutine 2423 # we must not ever block the main coroutine
2016 local $Coro::idle = sub { 2424 local $Coro::idle = sub {
2017 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2425 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2426 (async {
2018 async { Event::one_event }; 2427 Event::one_event;
2428 })->prio (Coro::PRIO_MAX);
2019 }; 2429 };
2020 2430
2021 cfg_load; 2431 cfg_load;
2022 db_load; 2432 db_init;
2023 load_extensions; 2433 load_extensions;
2434
2435 $TICK_WATCHER->start;
2024 Event::loop; 2436 Event::loop;
2025} 2437}
2026 2438
2027############################################################################# 2439#############################################################################
2028# initialisation 2440# initialisation and cleanup
2441
2442# install some emergency cleanup handlers
2443BEGIN {
2444 for my $signal (qw(INT HUP TERM)) {
2445 Event->signal (
2446 reentrant => 0,
2447 data => WF_AUTOCANCEL,
2448 signal => $signal,
2449 prio => 0,
2450 cb => sub {
2451 cf::cleanup "SIG$signal";
2452 },
2453 );
2454 }
2455}
2456
2457sub emergency_save() {
2458 my $freeze_guard = cf::freeze_mainloop;
2459
2460 warn "enter emergency perl save\n";
2461
2462 cf::sync_job {
2463 # use a peculiar iteration method to avoid tripping on perl
2464 # refcount bugs in for. also avoids problems with players
2465 # and maps saved/destroyed asynchronously.
2466 warn "begin emergency player save\n";
2467 for my $login (keys %cf::PLAYER) {
2468 my $pl = $cf::PLAYER{$login} or next;
2469 $pl->valid or next;
2470 $pl->save;
2471 }
2472 warn "end emergency player save\n";
2473
2474 warn "begin emergency map save\n";
2475 for my $path (keys %cf::MAP) {
2476 my $map = $cf::MAP{$path} or next;
2477 $map->valid or next;
2478 $map->save;
2479 }
2480 warn "end emergency map save\n";
2481
2482 warn "begin emergency database checkpoint\n";
2483 BDB::db_env_txn_checkpoint $DB_ENV;
2484 warn "end emergency database checkpoint\n";
2485 };
2486
2487 warn "leave emergency perl save\n";
2488}
2489
2490sub post_cleanup {
2491 my ($make_core) = @_;
2492
2493 warn Carp::longmess "post_cleanup backtrace"
2494 if $make_core;
2495}
2029 2496
2030sub reload() { 2497sub reload() {
2031 # can/must only be called in main 2498 # can/must only be called in main
2032 if ($Coro::current != $Coro::main) { 2499 if ($Coro::current != $Coro::main) {
2033 warn "can only reload from main coroutine\n"; 2500 warn "can only reload from main coroutine";
2034 return; 2501 return;
2035 } 2502 }
2036 2503
2037 warn "reloading..."; 2504 warn "reloading...";
2038 2505
2039 my $guard = freeze_mainloop; 2506 warn "entering sync_job";
2507
2508 cf::sync_job {
2509 cf::write_runtime; # external watchdog should not bark
2040 cf::emergency_save; 2510 cf::emergency_save;
2511 cf::write_runtime; # external watchdog should not bark
2041 2512
2042 eval { 2513 warn "syncing database to disk";
2514 BDB::db_env_txn_checkpoint $DB_ENV;
2515
2043 # if anything goes wrong in here, we should simply crash as we already saved 2516 # if anything goes wrong in here, we should simply crash as we already saved
2044 2517
2045 # cancel all watchers 2518 warn "cancelling all WF_AUTOCANCEL watchers";
2046 for (Event::all_watchers) { 2519 for (Event::all_watchers) {
2047 $_->cancel if $_->data & WF_AUTOCANCEL; 2520 $_->cancel if $_->data & WF_AUTOCANCEL;
2048 } 2521 }
2049 2522
2523 warn "flushing outstanding aio requests";
2524 for (;;) {
2525 BDB::flush;
2526 IO::AIO::flush;
2527 Coro::cede;
2528 last unless IO::AIO::nreqs || BDB::nreqs;
2529 warn "iterate...";
2530 }
2531
2532 ++$RELOAD;
2533
2050 # cancel all extension coros 2534 warn "cancelling all extension coros";
2051 $_->cancel for values %EXT_CORO; 2535 $_->cancel for values %EXT_CORO;
2052 %EXT_CORO = (); 2536 %EXT_CORO = ();
2053 2537
2054 # unload all extensions 2538 warn "removing commands";
2055 for (@exts) { 2539 %COMMAND = ();
2540
2541 warn "removing ext commands";
2542 %EXTCMD = ();
2543
2544 warn "unloading/nuking all extensions";
2545 for my $pkg (@EXTS) {
2056 warn "unloading <$_>"; 2546 warn "... unloading $pkg";
2057 unload_extension $_; 2547
2548 if (my $cb = $pkg->can ("unload")) {
2549 eval {
2550 $cb->($pkg);
2551 1
2552 } or warn "$pkg unloaded, but with errors: $@";
2058 } 2553 }
2059 2554
2555 warn "... nuking $pkg";
2556 Symbol::delete_package $pkg;
2557 }
2558
2060 # unload all modules loaded from $LIBDIR 2559 warn "unloading all perl modules loaded from $LIBDIR";
2061 while (my ($k, $v) = each %INC) { 2560 while (my ($k, $v) = each %INC) {
2062 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2561 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063 2562
2064 warn "removing <$k>"; 2563 warn "... unloading $k";
2065 delete $INC{$k}; 2564 delete $INC{$k};
2066 2565
2067 $k =~ s/\.pm$//; 2566 $k =~ s/\.pm$//;
2068 $k =~ s/\//::/g; 2567 $k =~ s/\//::/g;
2069 2568
2072 } 2571 }
2073 2572
2074 Symbol::delete_package $k; 2573 Symbol::delete_package $k;
2075 } 2574 }
2076 2575
2077 # sync database to disk
2078 cf::db_sync;
2079 IO::AIO::flush;
2080
2081 # get rid of safe::, as good as possible 2576 warn "getting rid of safe::, as good as possible";
2082 Symbol::delete_package "safe::$_" 2577 Symbol::delete_package "safe::$_"
2083 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2578 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084 2579
2085 # remove register_script_function callbacks
2086 # TODO
2087
2088 # unload cf.pm "a bit" 2580 warn "unloading cf.pm \"a bit\"";
2089 delete $INC{"cf.pm"}; 2581 delete $INC{"cf.pm"};
2090 2582
2091 # don't, removes xs symbols, too, 2583 # don't, removes xs symbols, too,
2092 # and global variables created in xs 2584 # and global variables created in xs
2093 #Symbol::delete_package __PACKAGE__; 2585 #Symbol::delete_package __PACKAGE__;
2094 2586
2095 # reload cf.pm 2587 warn "unload completed, starting to reload now";
2588
2096 warn "reloading cf.pm"; 2589 warn "reloading cf.pm";
2097 require cf; 2590 require cf;
2098 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2591 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099 2592
2100 # load config and database again 2593 warn "loading config and database again";
2101 cf::cfg_load; 2594 cf::cfg_load;
2102 cf::db_load;
2103 2595
2104 # load extensions
2105 warn "load extensions"; 2596 warn "loading extensions";
2106 cf::load_extensions; 2597 cf::load_extensions;
2107 2598
2108 # reattach attachments to objects 2599 warn "reattaching attachments to objects/players";
2109 warn "reattach"; 2600 _global_reattach; # objects, sockets
2110 _global_reattach; 2601 warn "reattaching attachments to maps";
2111 }; 2602 reattach $_ for values %MAP;
2603 warn "reattaching attachments to players";
2604 reattach $_ for values %PLAYER;
2112 2605
2113 if ($@) { 2606 warn "loading reloadable resources";
2607 reload_resources;
2608
2609 warn "leaving sync_job";
2610
2611 1
2612 } or do {
2114 warn $@; 2613 warn $@;
2115 warn "error while reloading, exiting."; 2614 warn "error while reloading, exiting.";
2116 exit 1; 2615 exit 1;
2117 } 2616 };
2118 2617
2119 warn "reloaded successfully"; 2618 warn "reloaded";
2120}; 2619};
2121 2620
2122############################################################################# 2621our $RELOAD_WATCHER; # used only during reload
2123
2124unless ($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} = $LINK_MAP;
2163}
2164
2165register "<global>", __PACKAGE__;
2166 2622
2167register_command "reload" => sub { 2623register_command "reload" => sub {
2168 my ($who, $arg) = @_; 2624 my ($who, $arg) = @_;
2169 2625
2170 if ($who->flag (FLAG_WIZ)) { 2626 if ($who->flag (FLAG_WIZ)) {
2171 $who->message ("start of reload."); 2627 $who->message ("reloading server.");
2628
2629 # doing reload synchronously and two reloads happen back-to-back,
2630 # coro crashes during coro_state_free->destroy here.
2631
2632 $RELOAD_WATCHER ||= Event->timer (
2633 reentrant => 0,
2634 after => 0,
2635 data => WF_AUTOCANCEL,
2636 cb => sub {
2172 reload; 2637 reload;
2173 $who->message ("end of reload."); 2638 undef $RELOAD_WATCHER;
2639 },
2640 );
2174 } 2641 }
2175}; 2642};
2176 2643
2177unshift @INC, $LIBDIR; 2644unshift @INC, $LIBDIR;
2645
2646my $bug_warning = 0;
2178 2647
2179$TICK_WATCHER = Event->timer ( 2648$TICK_WATCHER = Event->timer (
2180 reentrant => 0, 2649 reentrant => 0,
2650 parked => 1,
2181 prio => 0, 2651 prio => 0,
2182 at => $NEXT_TICK || $TICK, 2652 at => $NEXT_TICK || $TICK,
2183 data => WF_AUTOCANCEL, 2653 data => WF_AUTOCANCEL,
2184 cb => sub { 2654 cb => sub {
2655 if ($Coro::current != $Coro::main) {
2656 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657 unless ++$bug_warning > 10;
2658 return;
2659 }
2660
2661 $NOW = Event::time;
2662
2185 cf::server_tick; # one server iteration 2663 cf::server_tick; # one server iteration
2186 $RUNTIME += $TICK; 2664 $RUNTIME += $TICK;
2187 $NEXT_TICK += $TICK; 2665 $NEXT_TICK += $TICK;
2666
2667 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668 $NEXT_RUNTIME_WRITE = $NOW + 10;
2669 Coro::async_pool {
2670 write_runtime
2671 or warn "ERROR: unable to write runtime file: $!";
2672 };
2673 }
2674
2675 $WAIT_FOR_TICK->broadcast;
2676 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678# my $AFTER = Event::time;
2679# warn $AFTER - $NOW;#d#
2188 2680
2189 # if we are delayed by four ticks or more, skip them all 2681 # if we are delayed by four ticks or more, skip them all
2190 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2682 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191 2683
2192 $TICK_WATCHER->at ($NEXT_TICK); 2684 $TICK_WATCHER->at ($NEXT_TICK);
2193 $TICK_WATCHER->start; 2685 $TICK_WATCHER->start;
2194 }, 2686 },
2195); 2687);
2196 2688
2689{
2197IO::AIO::max_poll_time $TICK * 0.2; 2690 BDB::max_poll_time $TICK * 0.1;
2198 2691 $BDB_POLL_WATCHER = Event->io (
2199Event->io ( 2692 reentrant => 0,
2200 fd => IO::AIO::poll_fileno, 2693 fd => BDB::poll_fileno,
2201 poll => 'r', 2694 poll => 'r',
2202 prio => 5, 2695 prio => 0,
2203 data => WF_AUTOCANCEL,
2204 cb => \&IO::AIO::poll_cb,
2205);
2206
2207Event->timer (
2208 data => WF_AUTOCANCEL, 2696 data => WF_AUTOCANCEL,
2209 after => 0, 2697 cb => \&BDB::poll_cb,
2210 interval => 10, 2698 );
2211 cb => sub { 2699 BDB::min_parallel 8;
2212 (Coro::unblock_sub { 2700
2213 write_runtime 2701 BDB::set_sync_prepare {
2214 or warn "ERROR: unable to write runtime file: $!"; 2702 my $status;
2703 my $current = $Coro::current;
2704 (
2705 sub {
2706 $status = $!;
2707 $current->ready; undef $current;
2708 },
2709 sub {
2710 Coro::schedule while defined $current;
2711 $! = $status;
2712 },
2713 )
2714 };
2715
2716 unless ($DB_ENV) {
2717 $DB_ENV = BDB::db_env_create;
2718
2719 cf::sync_job {
2720 eval {
2721 BDB::db_env_open
2722 $DB_ENV,
2723 $BDB_ENV_DIR,
2724 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726 0666;
2727
2728 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2729
2730 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731 $DB_ENV->set_lk_detect;
2732 };
2733
2734 cf::cleanup "db_env_open(db): $@" if $@;
2215 })->(); 2735 };
2216 }, 2736 }
2217); 2737}
2738
2739{
2740 IO::AIO::min_parallel 8;
2741
2742 undef $Coro::AIO::WATCHER;
2743 IO::AIO::max_poll_time $TICK * 0.1;
2744 $AIO_POLL_WATCHER = Event->io (
2745 reentrant => 0,
2746 data => WF_AUTOCANCEL,
2747 fd => IO::AIO::poll_fileno,
2748 poll => 'r',
2749 prio => 6,
2750 cb => \&IO::AIO::poll_cb,
2751 );
2752}
2218 2753
2219END { cf::emergency_save } 2754END { cf::emergency_save }
2220 2755
22211 27561
2222 2757

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