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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.376 by root, Mon Oct 1 00:44:44 2007 UTC

10use Event; 10use Event;
11use Opcode; 11use Opcode;
12use Safe; 12use Safe;
13use Safe::Hole; 13use Safe::Hole;
14 14
15use Coro 3.61 (); 15use Coro 3.64 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::Event;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable; 23use Coro::Storable;
24use Coro::Util ();
24 25
26use JSON::XS ();
25use BDB (); 27use BDB ();
26use Data::Dumper; 28use Data::Dumper;
27use Digest::MD5; 29use Digest::MD5;
28use Fcntl; 30use Fcntl;
29use YAML::Syck (); 31use YAML::Syck ();
30use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
31use Time::HiRes; 33use Time::HiRes;
32use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
33 36
34# configure various modules to our taste 37# configure various modules to our taste
35# 38#
36$Storable::canonical = 1; # reduce rsync transfers 39$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
49our %COMMAND = (); 52our %COMMAND = ();
50our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
51 54
52our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
56 60
57our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
58our @EVENT; 62our @EVENT;
76our $NEXT_TICK; 80our $NEXT_TICK;
77our $NOW; 81our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
79 83
80our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 88our $DB_ENV;
82 89
83our %CFG; 90our %CFG;
84 91
85our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 93our $RUNTIME;
87 94
88our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
91 98
92# used to convert map paths into valid unix filenames by replacing / by ∕ 99# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 101
164 171
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 173returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 174per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 175
176=item @cf::INVOKE_RESULTS
177
178This array contains the results of the last C<invoke ()> call. When
179C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180that call.
181
169=back 182=back
170 183
171=cut 184=cut
172 185
173BEGIN { 186BEGIN {
177 $msg .= "\n" 190 $msg .= "\n"
178 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
179 192
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 194
182 utf8::encode $msg;
183 LOG llevError, $msg; 195 LOG llevError, $msg;
184 }; 196 };
185} 197}
186 198
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
206} 218}
207 219
208$Event::DIED = sub { 220$Event::DIED = sub {
209 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
210}; 222};
223
224#############################################################################
211 225
212=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
213 227
214=over 4 228=over 4
215 229
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 249 $d
236 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
237} 251}
238 252
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
242 254
243Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
244 256
245=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
246 258
247Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
260
261=cut
262
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264
265sub to_json ($) { $json_coder->encode ($_[0]) }
266sub from_json ($) { $json_coder->decode ($_[0]) }
248 267
249=item cf::lock_wait $string 268=item cf::lock_wait $string
250 269
251Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
252 271
255Wait until the given lock is available and then acquires it and returns 274Wait until the given lock is available and then acquires it and returns
256a Coro::guard object. If the guard object gets destroyed (goes out of scope, 275a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
258returned. 277returned.
259 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
260Lock names should begin with a unique identifier (for example, cf::map::find 282Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
262 284
263=item $locked = cf::lock_active $string 285=item $locked = cf::lock_active $string
264 286
265Return true if the lock is currently active, i.e. somebody has locked it. 287Return true if the lock is currently active, i.e. somebody has locked it.
266 288
267=cut 289=cut
268 290
269our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
270 293
271sub lock_wait($) { 294sub lock_wait($) {
272 my ($key) = @_; 295 my ($key) = @_;
296
297 if ($LOCKER{$key} == $Coro::current) {#d#
298 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299 return;#d#
300 }#d#
273 301
274 # wait for lock, if any 302 # wait for lock, if any
275 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule; 305 Coro::schedule;
283 311
284 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
285 lock_wait $key; 313 lock_wait $key;
286 314
287 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
288 317
289 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
290 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
292 } 322 }
293} 323}
294 324
306 }; 336 };
307 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
308 $guard 338 $guard
309} 339}
310 340
341=item cf::get_slot $time[, $priority[, $name]]
342
343Allocate $time seconds of blocking CPU time at priority C<$priority>:
344This call blocks and returns only when you have at least C<$time> seconds
345of cpu time till the next tick. The slot is only valid till the next cede.
346
347The optional C<$name> can be used to identify the job to run. It might be
348used for statistical purposes and should identify the same time-class.
349
350Useful for short background jobs.
351
352=cut
353
354our @SLOT_QUEUE;
355our $SLOT_QUEUE;
356
357$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358$SLOT_QUEUE = Coro::async {
359 $Coro::current->desc ("timeslot manager");
360
361 my $signal = new Coro::Signal;
362
363 while () {
364 next_job:
365 my $avail = cf::till_tick;
366 if ($avail > 0.01) {
367 for (0 .. $#SLOT_QUEUE) {
368 if ($SLOT_QUEUE[$_][0] < $avail) {
369 my $job = splice @SLOT_QUEUE, $_, 1, ();
370 $job->[2]->send;
371 Coro::cede;
372 goto next_job;
373 }
374 }
375 }
376
377 if (@SLOT_QUEUE) {
378 # we do not use wait_For_tick() as it returns immediately when tick is inactive
379 push @cf::WAIT_FOR_TICK, $signal;
380 $signal->wait;
381 } else {
382 Coro::schedule;
383 }
384 }
385};
386
387sub get_slot($;$$) {
388 my ($time, $pri, $name) = @_;
389
390 $time = $TICK * .6 if $time > $TICK * .6;
391 my $sig = new Coro::Signal;
392
393 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395 $SLOT_QUEUE->ready;
396 $sig->wait;
397}
398
311=item cf::async { BLOCK } 399=item cf::async { BLOCK }
312 400
313Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
314C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 402C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315thing you are allowed to do is call C<prio> on it. 403thing you are allowed to do is call C<prio> on it.
318 406
319BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
320 408
321=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
322 410
323The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 412is always able to handle events or runnable, as Crossfire TRT is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 413partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414acceptable.
326 415
327If it must be done, put the blocking parts into C<sync_job>. This will run 416If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 417the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 418server will be frozen during this time, so the block should either finish
330fast or be very important. 419fast or be very important.
346 435
347 my $busy = 1; 436 my $busy = 1;
348 my @res; 437 my @res;
349 438
350 (async { 439 (async {
440 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 441 @res = eval { $job->() };
352 warn $@ if $@; 442 warn $@ if $@;
353 undef $busy; 443 undef $busy;
354 })->prio (Coro::PRIO_MAX); 444 })->prio (Coro::PRIO_MAX);
355 445
390 $EXT_CORO{$coro+0} = $coro; 480 $EXT_CORO{$coro+0} = $coro;
391 481
392 $coro 482 $coro
393} 483}
394 484
395sub write_runtime { 485=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 486
398 # first touch the runtime file to show we are still running: 487Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 488process, returning the results. Everything must be serialisable with
489Coro::Storable. May, of course, block. Note that the executed sub may
490never block itself or use any form of Event handling.
400 491
401 IO::AIO::aio_utime $runtime, undef, undef; 492=cut
402 493
403 my $guard = cf::lock_acquire "write_runtime"; 494sub fork_call(&@) {
495 my ($cb, @args) = @_;
404 496
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 497 # we seemingly have to make a local copy of the whole thing,
406 or return; 498 # otherwise perl prematurely frees the stuff :/
499 # TODO: investigate and fix (likely this will be rather laborious)
407 500
408 my $value = $cf::RUNTIME + 90 + 10; 501 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 502 reset_signals;
410 # 60 allows for the watchdog to kill the server. 503 &$cb
504 }, @args;
411 505
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 506 wantarray ? @res : $res[-1]
413 and return; 507}
414 508
415 # always fsync - this file is important 509=item $value = cf::db_get $family => $key
416 aio_fsync $fh
417 and return;
418 510
419 # touch it again to show we are up-to-date 511Returns a single value from the environment database.
420 aio_utime $fh, undef, undef;
421 512
422 close $fh 513=item cf::db_put $family => $key => $value
423 or return;
424 514
425 aio_rename "$runtime~", $runtime 515Stores the given C<$value> in the family. It can currently store binary
426 and return; 516data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427 517
428 warn "runtime file written.\n"; 518=item $db = cf::db_table "name"
429 519
520Create and/or open a new database table. The string must not be "db" and must be unique
521within each server.
522
523=cut
524
525sub db_table($) {
526 my ($name) = @_;
527 my $db = BDB::db_create $DB_ENV;
528
529 eval {
530 $db->set_flags (BDB::CHKSUM);
531
532 utf8::encode $name;
533 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
534 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
535 cf::cleanup "db_open(db): $!" if $!;
536 };
537 cf::cleanup "db_open(db): $@" if $@;
538
539 $db
540}
541
542our $DB;
543
544sub db_init {
545 cf::sync_job {
546 $DB ||= db_table "db";
547 };
548}
549
550sub db_get($$) {
551 my $key = "$_[0]/$_[1]";
552
553 cf::sync_job {
554 BDB::db_get $DB, undef, $key, my $data;
555
556 $! ? ()
557 : $data
430 1 558 }
559}
560
561sub db_put($$$) {
562 BDB::dbreq_pri 4;
563 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
564}
565
566=item cf::cache $id => [$paths...], $processversion => $process
567
568Generic caching function that returns the value of the resource $id,
569caching and regenerating as required.
570
571This function can block.
572
573=cut
574
575sub cache {
576 my ($id, $src, $processversion, $process) = @_;
577
578 my $meta =
579 join "\x00",
580 $processversion,
581 map {
582 aio_stat $_
583 and Carp::croak "$_: $!";
584
585 ($_, (stat _)[7,9])
586 } @$src;
587
588 my $dbmeta = db_get cache => "$id/meta";
589 if ($dbmeta ne $meta) {
590 # changed, we may need to process
591
592 my @data;
593 my $md5;
594
595 for (0 .. $#$src) {
596 0 <= aio_load $src->[$_], $data[$_]
597 or Carp::croak "$src->[$_]: $!";
598 }
599
600 # if processing is expensive, check
601 # checksum first
602 if (1) {
603 $md5 =
604 join "\x00",
605 $processversion,
606 map {
607 cf::cede_to_tick;
608 ($src->[$_], Digest::MD5::md5_hex $data[$_])
609 } 0.. $#$src;
610
611
612 my $dbmd5 = db_get cache => "$id/md5";
613 if ($dbmd5 eq $md5) {
614 db_put cache => "$id/meta", $meta;
615
616 return db_get cache => "$id/data";
617 }
618 }
619
620 my $t1 = Time::HiRes::time;
621 my $data = $process->(\@data);
622 my $t2 = Time::HiRes::time;
623
624 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
625
626 db_put cache => "$id/data", $data;
627 db_put cache => "$id/md5" , $md5;
628 db_put cache => "$id/meta", $meta;
629
630 return $data;
631 }
632
633 db_get cache => "$id/data"
431} 634}
432 635
433=item cf::datalog type => key => value, ... 636=item cf::datalog type => key => value, ...
434 637
435Log a datalog packet of the given type with the given key-value pairs. 638Log a datalog packet of the given type with the given key-value pairs.
453attach callbacks/event handlers (a collection of which is called an "attachment") 656attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 657to it. All such attachable objects support the following methods.
455 658
456In the following description, CLASS can be any of C<global>, C<object> 659In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 660C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 661Crossfire TRT).
459 662
460=over 4 663=over 4
461 664
462=item $attachable->attach ($attachment, key => $value...) 665=item $attachable->attach ($attachment, key => $value...)
463 666
665 _attach $registry, $klass, @attach; 868 _attach $registry, $klass, @attach;
666 } 869 }
667 870
668 $obj->{$name} = \%arg; 871 $obj->{$name} = \%arg;
669 } else { 872 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 873 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 874 }
672 875
673 $obj->{_attachment}{$name} = undef; 876 $obj->{_attachment}{$name} = undef;
674} 877}
675 878
715 "; 918 ";
716 die if $@; 919 die if $@;
717} 920}
718 921
719our $override; 922our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 923our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 924
722sub override { 925sub override {
723 $override = 1; 926 $override = 1;
724 @invoke_results = (); 927 @INVOKE_RESULTS = (@_);
725} 928}
726 929
727sub do_invoke { 930sub do_invoke {
728 my $event = shift; 931 my $event = shift;
729 my $callbacks = shift; 932 my $callbacks = shift;
730 933
731 @invoke_results = (); 934 @INVOKE_RESULTS = ();
732 935
733 local $override; 936 local $override;
734 937
735 for (@$callbacks) { 938 for (@$callbacks) {
736 eval { &{$_->[1]} }; 939 eval { &{$_->[1]} };
753 956
754Generate an object-specific event with the given arguments. 957Generate an object-specific event with the given arguments.
755 958
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 959This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 960removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 961results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 962
760=back 963=back
761 964
762=cut 965=cut
763 966
764############################################################################# 967#############################################################################
765# object support 968# object support
969#
970
971sub _can_merge {
972 my ($ob1, $ob2) = @_;
973
974 local $Storable::canonical = 1;
975 my $fob1 = Storable::freeze $ob1;
976 my $fob2 = Storable::freeze $ob2;
977
978 $fob1 eq $fob2
979}
766 980
767sub reattach { 981sub reattach {
768 # basically do the same as instantiate, without calling instantiate 982 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 983 my ($obj) = @_;
770 984
817sub object_freezer_save { 1031sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1032 my ($filename, $rdata, $objs) = @_;
819 1033
820 sync_job { 1034 sync_job {
821 if (length $$rdata) { 1035 if (length $$rdata) {
1036 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1037 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1038 $decname, length $$rdata, scalar @$objs;
824 1039
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1040 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1041 chmod SAVE_MODE, $fh;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1042 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1043 aio_fsync $fh if $cf::USE_FSYNC;
847 } 1062 }
848 } else { 1063 } else {
849 aio_unlink $filename; 1064 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1065 aio_unlink "$filename.pst";
851 } 1066 }
852 } 1067 };
853} 1068}
854 1069
855sub object_freezer_as_string { 1070sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1071 my ($rdata, $objs) = @_;
857 1072
869 or return; 1084 or return;
870 1085
871 unless (aio_stat "$filename.pst") { 1086 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1087 (aio_load "$filename.pst", $av) >= 0
873 or return; 1088 or return;
1089
874 $av = eval { (Storable::thaw $av)->{objs} }; 1090 $av = eval { (Storable::thaw $av)->{objs} };
875 } 1091 }
876 1092
1093 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1094 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1095 $decname, length $data, scalar @{$av || []};
1096
879 return ($data, $av); 1097 ($data, $av)
880} 1098}
1099
1100=head2 COMMAND CALLBACKS
1101
1102=over 4
1103
1104=cut
881 1105
882############################################################################# 1106#############################################################################
883# command handling &c 1107# command handling &c
884 1108
885=item cf::register_command $name => \&callback($ob,$args); 1109=item cf::register_command $name => \&callback($ob,$args);
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1122 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1123}
900 1124
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1125=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1126
903Register a callbackf ro execution when the client sends an extcmd packet. 1127Register a callback for execution when the client sends an (synchronous)
1128extcmd packet. Ext commands will be processed in the order they are
1129received by the server, like other user commands. The first argument is
1130the logged-in player. Ext commands can only be processed after a player
1131has logged in successfully.
904 1132
905If the callback returns something, it is sent back as if reply was being 1133If the callback returns something, it is sent back as if reply was being
906called. 1134called.
907 1135
1136=item cf::register_exticmd $name => \&callback($ns,$packet);
1137
1138Register a callback for execution when the client sends an (asynchronous)
1139exticmd packet. Exti commands are processed by the server as soon as they
1140are received, i.e. out of order w.r.t. other commands. The first argument
1141is a client socket. Exti commands can be received anytime, even before
1142log-in.
1143
1144If the callback returns something, it is sent back as if reply was being
1145called.
1146
908=cut 1147=cut
909 1148
910sub register_extcmd { 1149sub register_extcmd {
911 my ($name, $cb) = @_; 1150 my ($name, $cb) = @_;
912 1151
913 $EXTCMD{$name} = $cb; 1152 $EXTCMD{$name} = $cb;
1153}
1154
1155sub register_exticmd {
1156 my ($name, $cb) = @_;
1157
1158 $EXTICMD{$name} = $cb;
914} 1159}
915 1160
916cf::player->attach ( 1161cf::player->attach (
917 on_command => sub { 1162 on_command => sub {
918 my ($pl, $name, $params) = @_; 1163 my ($pl, $name, $params) = @_;
927 cf::override; 1172 cf::override;
928 }, 1173 },
929 on_extcmd => sub { 1174 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1175 my ($pl, $buf) = @_;
931 1176
932 my $msg = eval { from_json $buf }; 1177 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1178
934 if (ref $msg) { 1179 if (ref $msg) {
1180 my ($type, $reply, @payload) =
1181 "ARRAY" eq ref $msg
1182 ? @$msg
1183 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1184
1185 my @reply;
1186
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1187 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1188 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1189 }
1190
1191 $pl->ext_reply ($reply, @reply)
1192 if $reply;
1193
940 } else { 1194 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1195 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1196 }
943 1197
944 cf::override; 1198 cf::override;
967 path => $path, 1221 path => $path,
968 base => $base, 1222 base => $base,
969 pkg => $pkg, 1223 pkg => $pkg,
970 ); 1224 );
971 1225
972 $ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 } 1226 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973 if $source =~ /^#!.*?perl.*?#\s*(.*)$/; 1227 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974 1228
975 $ext{source} = 1229 $ext{source} =
976 "package $pkg; use strict; use utf8;\n" 1230 "package $pkg; use strict; use utf8;\n"
977 . "#line 1 \"$path\"\n{\n" 1231 . "#line 1 \"$path\"\n{\n"
978 . $source 1232 . $source
984 my %done; 1238 my %done;
985 while (%todo) { 1239 while (%todo) {
986 my $progress; 1240 my $progress;
987 1241
988 while (my ($k, $v) = each %todo) { 1242 while (my ($k, $v) = each %todo) {
989 for (split /,\s*/, $ext{meta}{depends}) { 1243 for (split /,\s*/, $v->{meta}{depends}) {
990 goto skip 1244 goto skip
991 unless exists $done{$_}; 1245 unless exists $done{$_};
992 } 1246 }
993 1247
994 warn "... loading '$k' into '$v->{pkg}'\n"; 1248 warn "... loading '$k' into '$v->{pkg}'\n";
995 1249
996 unless (eval $v->{source}) { 1250 unless (eval $v->{source}) {
997 my $msg = $@ ? "$v->{path}: $@\n" 1251 my $msg = $@ ? "$v->{path}: $@\n"
998 : "extension disabled.\n"; 1252 : "$v->{base}: extension inactive.\n";
999 1253
1000 if (exists $v->{meta}{mandatory}) { 1254 if (exists $v->{meta}{mandatory}) {
1001 warn $msg; 1255 warn $msg;
1002 warn "mandatory extension failed to load, exiting.\n"; 1256 warn "mandatory extension failed to load, exiting.\n";
1003 exit 1; 1257 exit 1;
1004 } 1258 }
1005 1259
1006 die $msg; 1260 warn $msg;
1007 } 1261 }
1008 1262
1009 $done{$k} = delete $todo{$k}; 1263 $done{$k} = delete $todo{$k};
1010 push @EXTS, $v->{pkg}; 1264 push @EXTS, $v->{pkg};
1265 $progress = 1;
1011 } 1266 }
1012 1267
1013 skip: 1268 skip:
1014 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1269 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015 unless $progress; 1270 unless $progress;
1017 }; 1272 };
1018} 1273}
1019 1274
1020############################################################################# 1275#############################################################################
1021 1276
1277=back
1278
1022=head2 CORE EXTENSIONS 1279=head2 CORE EXTENSIONS
1023 1280
1024Functions and methods that extend core crossfire objects. 1281Functions and methods that extend core crossfire objects.
1025 1282
1026=cut 1283=cut
1030use Coro::AIO; 1287use Coro::AIO;
1031 1288
1032=head3 cf::player 1289=head3 cf::player
1033 1290
1034=over 4 1291=over 4
1292
1293=item cf::player::num_playing
1294
1295Returns the official number of playing players, as per the Crossfire metaserver rules.
1296
1297=cut
1298
1299sub num_playing {
1300 scalar grep
1301 $_->ob->map
1302 && !$_->hidden
1303 && !$_->ob->flag (cf::FLAG_WIZ),
1304 cf::player::list
1305}
1035 1306
1036=item cf::player::find $login 1307=item cf::player::find $login
1037 1308
1038Returns the given player object, loading it if necessary (might block). 1309Returns the given player object, loading it if necessary (might block).
1039 1310
1075 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1346 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1347 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1348 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078 aio_unlink +(playerdir $login) . "/$login.pl"; 1349 aio_unlink +(playerdir $login) . "/$login.pl";
1079 1350
1080 my $pl = load_pl path $login 1351 my $f = new_from_file cf::object::thawer path $login
1081 or return; 1352 or return;
1353
1354 my $pl = cf::player::load_pl $f
1355 or return;
1356 local $cf::PLAYER_LOADING{$login} = $pl;
1357 $f->resolve_delayed_derefs;
1082 $cf::PLAYER{$login} = $pl 1358 $cf::PLAYER{$login} = $pl
1083 } 1359 }
1084 } 1360 }
1085} 1361}
1086 1362
1096 1372
1097 aio_mkdir playerdir $pl, 0770; 1373 aio_mkdir playerdir $pl, 0770;
1098 $pl->{last_save} = $cf::RUNTIME; 1374 $pl->{last_save} = $cf::RUNTIME;
1099 1375
1100 $pl->save_pl ($path); 1376 $pl->save_pl ($path);
1101 Coro::cede; 1377 cf::cede_to_tick;
1102} 1378}
1103 1379
1104sub new($) { 1380sub new($) {
1105 my ($login) = @_; 1381 my ($login) = @_;
1106 1382
1110 $self->{deny_save} = 1; 1386 $self->{deny_save} = 1;
1111 1387
1112 $cf::PLAYER{$login} = $self; 1388 $cf::PLAYER{$login} = $self;
1113 1389
1114 $self 1390 $self
1391}
1392
1393=item $player->send_msg ($channel, $msg, $color, [extra...])
1394
1395=cut
1396
1397sub send_msg {
1398 my $ns = shift->ns
1399 or return;
1400 $ns->send_msg (@_);
1115} 1401}
1116 1402
1117=item $pl->quit_character 1403=item $pl->quit_character
1118 1404
1119Nukes the player without looking back. If logged in, the connection will 1405Nukes the player without looking back. If logged in, the connection will
1174 or return []; 1460 or return [];
1175 1461
1176 my @logins; 1462 my @logins;
1177 1463
1178 for my $login (@$dirs) { 1464 for my $login (@$dirs) {
1465 my $path = path $login;
1466
1467 # a .pst is a dead give-away for a valid player
1468 unless (-e "$path.pst") {
1179 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1469 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180 aio_read $fh, 0, 512, my $buf, 0 or next; 1470 aio_read $fh, 0, 512, my $buf, 0 or next;
1181 $buf !~ /^password -------------$/m or next; # official not-valid tag 1471 $buf !~ /^password -------------$/m or next; # official not-valid tag
1472 }
1182 1473
1183 utf8::decode $login; 1474 utf8::decode $login;
1184 push @logins, $login; 1475 push @logins, $login;
1185 } 1476 }
1186 1477
1213 } 1504 }
1214 1505
1215 \@paths 1506 \@paths
1216} 1507}
1217 1508
1509=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1510
1511Expand crossfire pod fragments into protocol xml.
1512
1513=cut
1514
1515sub expand_cfpod {
1516 ((my $self), (local $_)) = @_;
1517
1518 # escape & and <
1519 s/&/&amp;/g;
1520 s/(?<![BIUGHT])</&lt;/g;
1521
1522 # this is buggy, it needs to properly take care of nested <'s
1523
1524 1 while
1525 # replace B<>, I<>, U<> etc.
1526 s/B<([^\>]*)>/<b>$1<\/b>/
1527 || s/I<([^\>]*)>/<i>$1<\/i>/
1528 || s/U<([^\>]*)>/<u>$1<\/u>/
1529 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1530 # replace G<male|female> tags
1531 || s{G<([^>|]*)\|([^>]*)>}{
1532 $self->gender ? $2 : $1
1533 }ge
1534 # replace H<hint text>
1535 || s{H<([^\>]*)>}
1536 {
1537 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1538 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539 "")
1540 [$self->{hintmode}]
1541 }ge;
1542
1543 # create single paragraphs (very hackish)
1544 s/(?<=\S)\n(?=\w)/ /g;
1545
1546 # compress some whitespace
1547 s/\s+\n/\n/g; # ws line-ends
1548 s/\n\n+/\n/g; # double lines
1549 s/^\n+//; # beginning lines
1550 s/\n+$//; # ending lines
1551
1552 $_
1553}
1554
1555sub hintmode {
1556 $_[0]{hintmode} = $_[1] if @_ > 1;
1557 $_[0]{hintmode}
1558}
1559
1218=item $player->ext_reply ($msgid, %msg) 1560=item $player->ext_reply ($msgid, @msg)
1219 1561
1220Sends an ext reply to the player. 1562Sends an ext reply to the player.
1221 1563
1222=cut 1564=cut
1223 1565
1224sub ext_reply($$%) { 1566sub ext_reply($$@) {
1225 my ($self, $id, %msg) = @_; 1567 my ($self, $id, @msg) = @_;
1226 1568
1227 $msg{msgid} = $id; 1569 $self->ns->ext_reply ($id, @msg)
1228
1229 $self->send ("ext " . cf::to_json \%msg);
1230} 1570}
1231 1571
1232=item $player->ext_event ($type, %msg) 1572=item $player->ext_msg ($type, @msg)
1233 1573
1234Sends an ext event to the client. 1574Sends an ext event to the client.
1235 1575
1236=cut 1576=cut
1237 1577
1238sub ext_event($$%) { 1578sub ext_msg($$@) {
1239 my ($self, $type, %msg) = @_; 1579 my ($self, $type, @msg) = @_;
1240 1580
1241 $self->ns->ext_event ($type, %msg); 1581 $self->ns->ext_msg ($type, @msg);
1242} 1582}
1243 1583
1244=head3 cf::region 1584=head3 cf::region
1245 1585
1246=over 4 1586=over 4
1249 1589
1250package cf::region; 1590package cf::region;
1251 1591
1252=item cf::region::find_by_path $path 1592=item cf::region::find_by_path $path
1253 1593
1254Tries to decuce the probable region for a map knowing only its path. 1594Tries to decuce the likely region for a map knowing only its path.
1255 1595
1256=cut 1596=cut
1257 1597
1258sub find_by_path($) { 1598sub find_by_path($) {
1259 my ($path) = @_; 1599 my ($path) = @_;
1260 1600
1261 my ($match, $specificity); 1601 my ($match, $specificity);
1262 1602
1263 for my $region (list) { 1603 for my $region (list) {
1264 if ($region->match && $path =~ $region->match) { 1604 if ($region->{match} && $path =~ $region->{match}) {
1265 ($match, $specificity) = ($region, $region->specificity) 1605 ($match, $specificity) = ($region, $region->specificity)
1266 if $region->specificity > $specificity; 1606 if $region->specificity > $specificity;
1267 } 1607 }
1268 } 1608 }
1269 1609
1389 $self->init; # pass $1 etc. 1729 $self->init; # pass $1 etc.
1390 return $self; 1730 return $self;
1391 } 1731 }
1392 } 1732 }
1393 1733
1394 Carp::carp "unable to resolve path '$path' (base '$base')."; 1734 Carp::cluck "unable to resolve path '$path' (base '$base').";
1395 () 1735 ()
1396} 1736}
1397 1737
1398sub init { 1738sub init {
1399 my ($self) = @_; 1739 my ($self) = @_;
1462 1802
1463sub load_header_from($) { 1803sub load_header_from($) {
1464 my ($self, $path) = @_; 1804 my ($self, $path) = @_;
1465 1805
1466 utf8::encode $path; 1806 utf8::encode $path;
1467 #aio_open $path, O_RDONLY, 0 1807 my $f = new_from_file cf::object::thawer $path
1468 # or return;
1469
1470 $self->_load_header ($path)
1471 or return; 1808 or return;
1809
1810 $self->_load_header ($f)
1811 or return;
1812
1813 local $MAP_LOADING{$self->{path}} = $self;
1814 $f->resolve_delayed_derefs;
1472 1815
1473 $self->{load_path} = $path; 1816 $self->{load_path} = $path;
1474 1817
1475 1 1818 1
1476} 1819}
1530sub find { 1873sub find {
1531 my ($path, $origin) = @_; 1874 my ($path, $origin) = @_;
1532 1875
1533 $path = normalise $path, $origin && $origin->path; 1876 $path = normalise $path, $origin && $origin->path;
1534 1877
1878 cf::lock_wait "map_data:$path";#d#remove
1535 cf::lock_wait "map_find:$path"; 1879 cf::lock_wait "map_find:$path";
1536 1880
1537 $cf::MAP{$path} || do { 1881 $cf::MAP{$path} || do {
1538 my $guard = cf::lock_acquire "map_find:$path"; 1882 my $guard1 = cf::lock_acquire "map_find:$path";
1883 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1884
1539 my $map = new_from_path cf::map $path 1885 my $map = new_from_path cf::map $path
1540 or return; 1886 or return;
1541 1887
1542 $map->{last_save} = $cf::RUNTIME; 1888 $map->{last_save} = $cf::RUNTIME;
1543 1889
1545 or return; 1891 or return;
1546 1892
1547 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1893 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548 # doing this can freeze the server in a sync job, obviously 1894 # doing this can freeze the server in a sync job, obviously
1549 #$cf::WAIT_FOR_TICK->wait; 1895 #$cf::WAIT_FOR_TICK->wait;
1896 undef $guard1;
1897 undef $guard2;
1550 $map->reset; 1898 $map->reset;
1551 undef $guard;
1552 return find $path; 1899 return find $path;
1553 } 1900 }
1554 1901
1555 $cf::MAP{$path} = $map 1902 $cf::MAP{$path} = $map
1556 } 1903 }
1565 local $self->{deny_reset} = 1; # loading can take a long time 1912 local $self->{deny_reset} = 1; # loading can take a long time
1566 1913
1567 my $path = $self->{path}; 1914 my $path = $self->{path};
1568 1915
1569 { 1916 {
1570 my $guard = cf::lock_acquire "map_load:$path"; 1917 my $guard = cf::lock_acquire "map_data:$path";
1571 1918
1919 return unless $self->valid;
1572 return if $self->in_memory != cf::MAP_SWAPPED; 1920 return unless $self->in_memory == cf::MAP_SWAPPED;
1573 1921
1574 $self->in_memory (cf::MAP_LOADING); 1922 $self->in_memory (cf::MAP_LOADING);
1575 1923
1576 $self->alloc; 1924 $self->alloc;
1577 1925
1578 $self->pre_load; 1926 $self->pre_load;
1579 Coro::cede; 1927 cf::cede_to_tick;
1580 1928
1929 my $f = new_from_file cf::object::thawer $self->{load_path};
1930 $f->skip_block;
1581 $self->_load_objects ($self->{load_path}, 1) 1931 $self->_load_objects ($f)
1582 or return; 1932 or return;
1583 1933
1584 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1934 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1585 if delete $self->{load_original}; 1935 if delete $self->{load_original};
1586 1936
1587 if (my $uniq = $self->uniq_path) { 1937 if (my $uniq = $self->uniq_path) {
1588 utf8::encode $uniq; 1938 utf8::encode $uniq;
1589 if (aio_open $uniq, O_RDONLY, 0) { 1939 unless (aio_stat $uniq) {
1940 if (my $f = new_from_file cf::object::thawer $uniq) {
1590 $self->clear_unique_items; 1941 $self->clear_unique_items;
1591 $self->_load_objects ($uniq, 0); 1942 $self->_load_objects ($f);
1943 $f->resolve_delayed_derefs;
1944 }
1592 } 1945 }
1593 } 1946 }
1594 1947
1595 Coro::cede; 1948 $f->resolve_delayed_derefs;
1949
1950 cf::cede_to_tick;
1596 # now do the right thing for maps 1951 # now do the right thing for maps
1597 $self->link_multipart_objects; 1952 $self->link_multipart_objects;
1598 $self->difficulty ($self->estimate_difficulty) 1953 $self->difficulty ($self->estimate_difficulty)
1599 unless $self->difficulty; 1954 unless $self->difficulty;
1600 Coro::cede; 1955 cf::cede_to_tick;
1601 1956
1602 unless ($self->{deny_activate}) { 1957 unless ($self->{deny_activate}) {
1603 $self->decay_objects; 1958 $self->decay_objects;
1604 $self->fix_auto_apply; 1959 $self->fix_auto_apply;
1605 $self->update_buttons; 1960 $self->update_buttons;
1606 Coro::cede; 1961 cf::cede_to_tick;
1607 $self->set_darkness_map; 1962 $self->set_darkness_map;
1608 Coro::cede; 1963 cf::cede_to_tick;
1609 $self->activate; 1964 $self->activate;
1610 } 1965 }
1966
1967 $self->{last_save} = $cf::RUNTIME;
1968 $self->last_access ($cf::RUNTIME);
1611 1969
1612 $self->in_memory (cf::MAP_IN_MEMORY); 1970 $self->in_memory (cf::MAP_IN_MEMORY);
1613 } 1971 }
1614 1972
1615 $self->post_load; 1973 $self->post_load;
1626 1984
1627 $self 1985 $self
1628} 1986}
1629 1987
1630# find and load all maps in the 3x3 area around a map 1988# find and load all maps in the 3x3 area around a map
1631sub load_diag { 1989sub load_neighbours {
1632 my ($map) = @_; 1990 my ($map) = @_;
1633 1991
1634 my @diag; # diagonal neighbours 1992 my @neigh; # diagonal neighbours
1635 1993
1636 for (0 .. 3) { 1994 for (0 .. 3) {
1637 my $neigh = $map->tile_path ($_) 1995 my $neigh = $map->tile_path ($_)
1638 or next; 1996 or next;
1639 $neigh = find $neigh, $map 1997 $neigh = find $neigh, $map
1640 or next; 1998 or next;
1641 $neigh->load; 1999 $neigh->load;
1642 2000
2001 push @neigh,
1643 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2002 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1644 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2003 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1645 } 2004 }
1646 2005
1647 for (@diag) { 2006 for (grep defined $_->[0], @neigh) {
2007 my ($path, $origin) = @$_;
1648 my $neigh = find @$_ 2008 my $neigh = find $path, $origin
1649 or next; 2009 or next;
1650 $neigh->load; 2010 $neigh->load;
1651 } 2011 }
1652} 2012}
1653 2013
1658} 2018}
1659 2019
1660sub do_load_sync { 2020sub do_load_sync {
1661 my ($map) = @_; 2021 my ($map) = @_;
1662 2022
2023 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2024 if $Coro::current == $Coro::main;
2025
1663 cf::sync_job { $map->load }; 2026 cf::sync_job { $map->load };
1664} 2027}
1665 2028
1666our %MAP_PREFETCH; 2029our %MAP_PREFETCH;
1667our $MAP_PREFETCHER = undef; 2030our $MAP_PREFETCHER = undef;
1668 2031
1669sub find_async { 2032sub find_async {
1670 my ($path, $origin) = @_; 2033 my ($path, $origin, $load) = @_;
1671 2034
1672 $path = normalise $path, $origin && $origin->{path}; 2035 $path = normalise $path, $origin && $origin->{path};
1673 2036
1674 if (my $map = $cf::MAP{$path}) { 2037 if (my $map = $cf::MAP{$path}) {
1675 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2038 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1676 } 2039 }
1677 2040
1678 undef $MAP_PREFETCH{$path}; 2041 $MAP_PREFETCH{$path} |= $load;
2042
1679 $MAP_PREFETCHER ||= cf::async { 2043 $MAP_PREFETCHER ||= cf::async {
2044 $Coro::current->{desc} = "map prefetcher";
2045
1680 while (%MAP_PREFETCH) { 2046 while (%MAP_PREFETCH) {
1681 for my $path (keys %MAP_PREFETCH) { 2047 while (my ($k, $v) = each %MAP_PREFETCH) {
1682 my $map = find $path 2048 if (my $map = find $k) {
1683 or next;
1684 $map->load; 2049 $map->load if $v;
2050 }
1685 2051
1686 delete $MAP_PREFETCH{$path}; 2052 delete $MAP_PREFETCH{$k};
1687 } 2053 }
1688 } 2054 }
1689 undef $MAP_PREFETCHER; 2055 undef $MAP_PREFETCHER;
1690 }; 2056 };
1691 $MAP_PREFETCHER->prio (6); 2057 $MAP_PREFETCHER->prio (6);
1694} 2060}
1695 2061
1696sub save { 2062sub save {
1697 my ($self) = @_; 2063 my ($self) = @_;
1698 2064
1699 my $lock = cf::lock_acquire "map_data:" . $self->path; 2065 my $lock = cf::lock_acquire "map_data:$self->{path}";
1700 2066
1701 $self->{last_save} = $cf::RUNTIME; 2067 $self->{last_save} = $cf::RUNTIME;
1702 2068
1703 return unless $self->dirty; 2069 return unless $self->dirty;
1704 2070
1710 return if $self->{deny_save}; 2076 return if $self->{deny_save};
1711 2077
1712 local $self->{last_access} = $self->last_access;#d# 2078 local $self->{last_access} = $self->last_access;#d#
1713 2079
1714 cf::async { 2080 cf::async {
2081 $Coro::current->{desc} = "map player save";
1715 $_->contr->save for $self->players; 2082 $_->contr->save for $self->players;
1716 }; 2083 };
1717 2084
1718 if ($uniq) { 2085 if ($uniq) {
1719 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2086 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1727 my ($self) = @_; 2094 my ($self) = @_;
1728 2095
1729 # save first because save cedes 2096 # save first because save cedes
1730 $self->save; 2097 $self->save;
1731 2098
1732 my $lock = cf::lock_acquire "map_data:" . $self->path; 2099 my $lock = cf::lock_acquire "map_data:$self->{path}";
1733 2100
1734 return if $self->players; 2101 return if $self->players;
1735 return if $self->in_memory != cf::MAP_IN_MEMORY; 2102 return if $self->in_memory != cf::MAP_IN_MEMORY;
1736 return if $self->{deny_save}; 2103 return if $self->{deny_save};
1737 2104
2105 $self->in_memory (cf::MAP_SWAPPED);
2106
2107 $self->deactivate;
2108 $_->clear_links_to ($self) for values %cf::MAP;
1738 $self->clear; 2109 $self->clear;
1739 $self->in_memory (cf::MAP_SWAPPED);
1740} 2110}
1741 2111
1742sub reset_at { 2112sub reset_at {
1743 my ($self) = @_; 2113 my ($self) = @_;
1744 2114
1776 if $uniq; 2146 if $uniq;
1777 } 2147 }
1778 2148
1779 delete $cf::MAP{$self->path}; 2149 delete $cf::MAP{$self->path};
1780 2150
2151 $self->deactivate;
2152 $_->clear_links_to ($self) for values %cf::MAP;
1781 $self->clear; 2153 $self->clear;
1782
1783 $_->clear_links_to ($self) for values %cf::MAP;
1784 2154
1785 $self->unlink_save; 2155 $self->unlink_save;
1786 $self->destroy; 2156 $self->destroy;
1787} 2157}
1788 2158
1789my $nuke_counter = "aaaa"; 2159my $nuke_counter = "aaaa";
1790 2160
1791sub nuke { 2161sub nuke {
1792 my ($self) = @_; 2162 my ($self) = @_;
1793 2163
2164 {
2165 my $lock = cf::lock_acquire "map_data:$self->{path}";
2166
1794 delete $cf::MAP{$self->path}; 2167 delete $cf::MAP{$self->path};
1795 2168
1796 $self->unlink_save; 2169 $self->unlink_save;
1797 2170
1798 bless $self, "cf::map"; 2171 bless $self, "cf::map";
1799 delete $self->{deny_reset}; 2172 delete $self->{deny_reset};
1800 $self->{deny_save} = 1; 2173 $self->{deny_save} = 1;
1801 $self->reset_timeout (1); 2174 $self->reset_timeout (1);
1802 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2175 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803 2176
1804 $cf::MAP{$self->path} = $self; 2177 $cf::MAP{$self->path} = $self;
2178 }
1805 2179
1806 $self->reset; # polite request, might not happen 2180 $self->reset; # polite request, might not happen
1807} 2181}
1808 2182
1809=item $maps = cf::map::tmp_maps 2183=item $maps = cf::map::tmp_maps
1885 2259
1886sub inv_recursive { 2260sub inv_recursive {
1887 inv_recursive_ inv $_[0] 2261 inv_recursive_ inv $_[0]
1888} 2262}
1889 2263
2264=item $ref = $ob->ref
2265
2266creates and returns a persistent reference to an objetc that can be stored as a string.
2267
2268=item $ob = cf::object::deref ($refstring)
2269
2270returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2271even if the object actually exists. May block.
2272
2273=cut
2274
2275sub deref {
2276 my ($ref) = @_;
2277
2278 # temporary compatibility#TODO#remove
2279 $ref =~ s{^<}{player/<};
2280
2281 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2282 my ($uuid, $name) = ($1, $2);
2283 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2284 or return;
2285 $pl->ob->uuid eq $uuid
2286 or return;
2287
2288 $pl->ob
2289 } else {
2290 warn "$ref: cannot resolve object reference\n";
2291 undef
2292 }
2293}
2294
1890package cf; 2295package cf;
1891 2296
1892=back 2297=back
1893 2298
1894=head3 cf::object::player 2299=head3 cf::object::player
1911 2316
1912 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2317 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913 2318
1914 if ($self->{record_replies}) { 2319 if ($self->{record_replies}) {
1915 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2320 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2321
1916 } else { 2322 } else {
2323 my $pl = $self->contr;
2324
2325 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2326 my $dialog = $pl->{npc_dialog};
2327 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2328
2329 } else {
1917 $msg = $npc->name . " says: $msg" if $npc; 2330 $msg = $npc->name . " says: $msg" if $npc;
1918 $self->message ($msg, $flags); 2331 $self->message ($msg, $flags);
2332 }
1919 } 2333 }
2334}
2335
2336=item $object->send_msg ($channel, $msg, $color, [extra...])
2337
2338=cut
2339
2340sub cf::object::send_msg {
2341 my $pl = shift->contr
2342 or return;
2343 $pl->send_msg (@_);
1920} 2344}
1921 2345
1922=item $player_object->may ("access") 2346=item $player_object->may ("access")
1923 2347
1924Returns wether the given player is authorized to access resource "access" 2348Returns wether the given player is authorized to access resource "access"
2003 # use -1 or undef as default coordinates, not 0, 0 2427 # use -1 or undef as default coordinates, not 0, 0
2004 ($x, $y) = ($map->enter_x, $map->enter_y) 2428 ($x, $y) = ($map->enter_x, $map->enter_y)
2005 if $x <=0 && $y <= 0; 2429 if $x <=0 && $y <= 0;
2006 2430
2007 $map->load; 2431 $map->load;
2008 $map->load_diag; 2432 $map->load_neighbours;
2009 2433
2010 return unless $self->contr->active; 2434 return unless $self->contr->active;
2011 $self->activate_recursive; 2435 $self->activate_recursive;
2012 2436
2013 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2437 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014 $self->enter_map ($map, $x, $y); 2438 $self->enter_map ($map, $x, $y);
2015} 2439}
2016 2440
2017=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2441=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018 2442
2019Moves the player to the given map-path and coordinates by first freezing 2443Moves the player to the given map-path and coordinates by first freezing
2020her, loading and preparing them map, calling the provided $check callback 2444her, loading and preparing them map, calling the provided $check callback
2021that has to return the map if sucecssful, and then unfreezes the player on 2445that has to return the map if sucecssful, and then unfreezes the player on
2022the new (success) or old (failed) map position. 2446the new (success) or old (failed) map position. In either case, $done will
2447be called at the end of this process.
2023 2448
2024=cut 2449=cut
2025 2450
2026our $GOTOGEN; 2451our $GOTOGEN;
2027 2452
2028sub cf::object::player::goto { 2453sub cf::object::player::goto {
2029 my ($self, $path, $x, $y, $check) = @_; 2454 my ($self, $path, $x, $y, $check, $done) = @_;
2030 2455
2031 # do generation counting so two concurrent goto's will be executed in-order 2456 # do generation counting so two concurrent goto's will be executed in-order
2032 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2457 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033 2458
2034 $self->enter_link; 2459 $self->enter_link;
2035 2460
2036 (async { 2461 (async {
2462 $Coro::current->{desc} = "player::goto $path $x $y";
2463
2464 # *tag paths override both path and x|y
2465 if ($path =~ /^\*(.*)$/) {
2466 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2467 my $ob = $obs[rand @obs];
2468
2469 # see if we actually can go there
2470 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2471 $ob = $obs[rand @obs];
2472 } else {
2473 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2474 }
2475 # else put us there anyways for now #d#
2476
2477 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2478 } else {
2479 ($path, $x, $y) = (undef, undef, undef);
2480 }
2481 }
2482
2037 my $map = eval { 2483 my $map = eval {
2038 my $map = cf::map::find $path; 2484 my $map = defined $path ? cf::map::find $path : undef;
2039 2485
2040 if ($map) { 2486 if ($map) {
2041 $map = $map->customise_for ($self); 2487 $map = $map->customise_for ($self);
2042 $map = $check->($map) if $check && $map; 2488 $map = $check->($map) if $check && $map;
2043 } else { 2489 } else {
2044 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2490 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045 } 2491 }
2046 2492
2047 $map 2493 $map
2048 }; 2494 };
2049 2495
2054 2500
2055 if ($gen == $self->{_goto_generation}) { 2501 if ($gen == $self->{_goto_generation}) {
2056 delete $self->{_goto_generation}; 2502 delete $self->{_goto_generation};
2057 $self->leave_link ($map, $x, $y); 2503 $self->leave_link ($map, $x, $y);
2058 } 2504 }
2505
2506 $done->() if $done;
2059 })->prio (1); 2507 })->prio (1);
2060} 2508}
2061 2509
2062=item $player_object->enter_exit ($exit_object) 2510=item $player_object->enter_exit ($exit_object)
2063 2511
2132 my $hp = $exit->stats->hp; 2580 my $hp = $exit->stats->hp;
2133 my $sp = $exit->stats->sp; 2581 my $sp = $exit->stats->sp;
2134 2582
2135 $self->enter_link; 2583 $self->enter_link;
2136 2584
2585 # if exit is damned, update players death & WoR home-position
2586 $self->contr->savebed ($slaying, $hp, $sp)
2587 if $exit->flag (FLAG_DAMNED);
2588
2137 (async { 2589 (async {
2590 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2591
2138 $self->deactivate_recursive; # just to be sure 2592 $self->deactivate_recursive; # just to be sure
2139 unless (eval { 2593 unless (eval {
2140 $self->goto ($slaying, $hp, $sp); 2594 $self->goto ($slaying, $hp, $sp);
2141 2595
2142 1; 2596 1;
2168 2622
2169 utf8::encode $text; 2623 utf8::encode $text;
2170 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2624 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171} 2625}
2172 2626
2627=item $client->send_msg ($channel, $msg, $color, [extra...])
2628
2629Send a drawinfo or msg packet to the client, formatting the msg for the
2630client if neccessary. C<$type> should be a string identifying the type of
2631the message, with C<log> being the default. If C<$color> is negative, suppress
2632the message unless the client supports the msg packet.
2633
2634=cut
2635
2636our %CHANNEL = (
2637 "c/identify" => {
2638 id => "infobox",
2639 title => "Identify",
2640 reply => undef,
2641 tooltip => "Items recently identified",
2642 },
2643 "c/examine" => {
2644 id => "infobox",
2645 title => "Examine",
2646 reply => undef,
2647 tooltip => "Signs and other items you examined",
2648 },
2649 "c/lookat" => {
2650 id => "infobox",
2651 title => "Look",
2652 reply => undef,
2653 tooltip => "What you saw there",
2654 },
2655);
2656
2657sub cf::client::send_msg {
2658 my ($self, $channel, $msg, $color, @extra) = @_;
2659
2660 $msg = $self->pl->expand_cfpod ($msg);
2661
2662 $color &= cf::NDI_CLIENT_MASK; # just in case...
2663
2664 # check predefined channels, for the benefit of C
2665 if ($CHANNEL{$channel}) {
2666 $channel = $CHANNEL{$channel};
2667
2668 $self->ext_msg (channel_info => $channel)
2669 if $self->can_msg;
2670
2671 $channel = $channel->{id};
2672
2673 } elsif (ref $channel) {
2674 # send meta info to client, if not yet sent
2675 unless (exists $self->{channel}{$channel->{id}}) {
2676 $self->{channel}{$channel->{id}} = $channel;
2677 $self->ext_msg (channel_info => $channel)
2678 if $self->can_msg;
2679 }
2680
2681 $channel = $channel->{id};
2682 }
2683
2684 return unless @extra || length $msg;
2685
2686 if ($self->can_msg) {
2687 # default colour, mask it out
2688 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2689 if $color & cf::NDI_DEF;
2690
2691 $self->send_packet ("msg " . $self->{json_coder}->encode (
2692 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2693 } else {
2694 if ($color >= 0) {
2695 # replace some tags by gcfclient-compatible ones
2696 for ($msg) {
2697 1 while
2698 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2699 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2700 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2701 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2702 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2703 }
2704
2705 $color &= cf::NDI_COLOR_MASK;
2706
2707 utf8::encode $msg;
2708
2709 if (0 && $msg =~ /\[/) {
2710 # COMMAND/INFO
2711 $self->send_packet ("drawextinfo $color 10 8 $msg")
2712 } else {
2713 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2714 $self->send_packet ("drawinfo $color $msg")
2715 }
2716 }
2717 }
2718}
2719
2173=item $client->ext_event ($type, %msg) 2720=item $client->ext_msg ($type, @msg)
2174 2721
2175Sends an exti event to the client. 2722Sends an ext event to the client.
2176 2723
2177=cut 2724=cut
2178 2725
2179sub cf::client::ext_event($$%) { 2726sub cf::client::ext_msg($$@) {
2180 my ($self, $type, %msg) = @_; 2727 my ($self, $type, @msg) = @_;
2181 2728
2729 if ($self->extcmd == 2) {
2730 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2731 } elsif ($self->extcmd == 1) { # TODO: remove
2182 $msg{msgtype} = "event_$type"; 2732 push @msg, msgtype => "event_$type";
2183 $self->send_packet ("ext " . cf::to_json \%msg); 2733 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2734 }
2735}
2736
2737=item $client->ext_reply ($msgid, @msg)
2738
2739Sends an ext reply to the client.
2740
2741=cut
2742
2743sub cf::client::ext_reply($$@) {
2744 my ($self, $id, @msg) = @_;
2745
2746 if ($self->extcmd == 2) {
2747 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2748 } elsif ($self->extcmd == 1) {
2749 #TODO: version 1, remove
2750 unshift @msg, msgtype => "reply", msgid => $id;
2751 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2752 }
2184} 2753}
2185 2754
2186=item $success = $client->query ($flags, "text", \&cb) 2755=item $success = $client->query ($flags, "text", \&cb)
2187 2756
2188Queues a query to the client, calling the given callback with 2757Queues a query to the client, calling the given callback with
2189the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2758the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2759C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191 2760
2192Queries can fail, so check the return code. Or don't, as queries will become 2761Queries can fail, so check the return code. Or don't, as queries will
2193reliable at some point in the future. 2762become reliable at some point in the future.
2194 2763
2195=cut 2764=cut
2196 2765
2197sub cf::client::query { 2766sub cf::client::query {
2198 my ($self, $flags, $text, $cb) = @_; 2767 my ($self, $flags, $text, $cb) = @_;
2206 utf8::encode $text; 2775 utf8::encode $text;
2207 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2776 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208 2777
2209 $self->send_packet ($self->{query_queue}[0][0]) 2778 $self->send_packet ($self->{query_queue}[0][0])
2210 if @{ $self->{query_queue} } == 1; 2779 if @{ $self->{query_queue} } == 1;
2780
2781 1
2211} 2782}
2212 2783
2213cf::client->attach ( 2784cf::client->attach (
2785 on_connect => sub {
2786 my ($ns) = @_;
2787
2788 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2789 },
2214 on_reply => sub { 2790 on_reply => sub {
2215 my ($ns, $msg) = @_; 2791 my ($ns, $msg) = @_;
2216 2792
2217 # this weird shuffling is so that direct followup queries 2793 # this weird shuffling is so that direct followup queries
2218 # get handled first 2794 # get handled first
2230 } else { 2806 } else {
2231 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2807 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232 } 2808 }
2233 } 2809 }
2234 }, 2810 },
2811 on_exticmd => sub {
2812 my ($ns, $buf) = @_;
2813
2814 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2815
2816 if (ref $msg) {
2817 my ($type, $reply, @payload) =
2818 "ARRAY" eq ref $msg
2819 ? @$msg
2820 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2821
2822 my @reply;
2823
2824 if (my $cb = $EXTICMD{$type}) {
2825 @reply = $cb->($ns, @payload);
2826 }
2827
2828 $ns->ext_reply ($reply, @reply)
2829 if $reply;
2830
2831 } else {
2832 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2833 }
2834
2835 cf::override;
2836 },
2235); 2837);
2236 2838
2237=item $client->async (\&cb) 2839=item $client->async (\&cb)
2238 2840
2239Create a new coroutine, running the specified callback. The coroutine will 2841Create a new coroutine, running the specified callback. The coroutine will
2280our $safe = new Safe "safe"; 2882our $safe = new Safe "safe";
2281our $safe_hole = new Safe::Hole; 2883our $safe_hole = new Safe::Hole;
2282 2884
2283$SIG{FPE} = 'IGNORE'; 2885$SIG{FPE} = 'IGNORE';
2284 2886
2285$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2887$safe->permit_only (Opcode::opset qw(
2888 :base_core :base_mem :base_orig :base_math
2889 grepstart grepwhile mapstart mapwhile
2890 sort time
2891));
2286 2892
2287# here we export the classes and methods available to script code 2893# here we export the classes and methods available to script code
2288 2894
2289=pod 2895=pod
2290 2896
2291The following functions and methods are available within a safe environment: 2897The following functions and methods are available within a safe environment:
2292 2898
2293 cf::object contr pay_amount pay_player map 2899 cf::object
2900 contr pay_amount pay_player map x y force_find force_add
2901 insert remove name archname title slaying race decrease_ob_nr
2902
2294 cf::object::player player 2903 cf::object::player
2295 cf::player peaceful 2904 player
2296 cf::map trigger 2905
2906 cf::player
2907 peaceful
2908
2909 cf::map
2910 trigger
2297 2911
2298=cut 2912=cut
2299 2913
2300for ( 2914for (
2301 ["cf::object" => qw(contr pay_amount pay_player map)], 2915 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2916 insert remove inv name archname title slaying race
2917 decrease_ob_nr)],
2302 ["cf::object::player" => qw(player)], 2918 ["cf::object::player" => qw(player)],
2303 ["cf::player" => qw(peaceful)], 2919 ["cf::player" => qw(peaceful)],
2304 ["cf::map" => qw(trigger)], 2920 ["cf::map" => qw(trigger)],
2305) { 2921) {
2306 no strict 'refs'; 2922 no strict 'refs';
2377=back 2993=back
2378 2994
2379=cut 2995=cut
2380 2996
2381############################################################################# 2997#############################################################################
2382
2383=head2 EXTENSION DATABASE SUPPORT
2384
2385Crossfire maintains a very simple database for extension use. It can
2386currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387convert to/from binary).
2388
2389The parameter C<$family> should best start with the name of the extension
2390using it, it should be unique.
2391
2392=over 4
2393
2394=item $value = cf::db_get $family => $key
2395
2396Returns a single value from the database.
2397
2398=item cf::db_put $family => $key => $value
2399
2400Stores the given C<$value> in the family.
2401
2402=cut
2403
2404our $DB;
2405
2406sub db_init {
2407 unless ($DB) {
2408 $DB = BDB::db_create $DB_ENV;
2409
2410 cf::sync_job {
2411 eval {
2412 $DB->set_flags (BDB::CHKSUM);
2413
2414 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416 cf::cleanup "db_open(db): $!" if $!;
2417 };
2418 cf::cleanup "db_open(db): $@" if $@;
2419 };
2420 }
2421}
2422
2423sub db_get($$) {
2424 my $key = "$_[0]/$_[1]";
2425
2426 cf::sync_job {
2427 BDB::db_get $DB, undef, $key, my $data;
2428
2429 $! ? ()
2430 : $data
2431 }
2432}
2433
2434sub db_put($$$) {
2435 BDB::dbreq_pri 4;
2436 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437}
2438
2439=item cf::cache $id => [$paths...], $processversion => $process
2440
2441Generic caching function that returns the value of the resource $id,
2442caching and regenerating as required.
2443
2444This function can block.
2445
2446=cut
2447
2448sub cache {
2449 my ($id, $src, $processversion, $process) = @_;
2450
2451 my $meta =
2452 join "\x00",
2453 $processversion,
2454 map {
2455 aio_stat $_
2456 and Carp::croak "$_: $!";
2457
2458 ($_, (stat _)[7,9])
2459 } @$src;
2460
2461 my $dbmeta = db_get cache => "$id/meta";
2462 if ($dbmeta ne $meta) {
2463 # changed, we may need to process
2464
2465 my @data;
2466 my $md5;
2467
2468 for (0 .. $#$src) {
2469 0 <= aio_load $src->[$_], $data[$_]
2470 or Carp::croak "$src->[$_]: $!";
2471 }
2472
2473 # if processing is expensive, check
2474 # checksum first
2475 if (1) {
2476 $md5 =
2477 join "\x00",
2478 $processversion,
2479 map {
2480 Coro::cede;
2481 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2482 } 0.. $#$src;
2483
2484
2485 my $dbmd5 = db_get cache => "$id/md5";
2486 if ($dbmd5 eq $md5) {
2487 db_put cache => "$id/meta", $meta;
2488
2489 return db_get cache => "$id/data";
2490 }
2491 }
2492
2493 my $t1 = Time::HiRes::time;
2494 my $data = $process->(\@data);
2495 my $t2 = Time::HiRes::time;
2496
2497 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499 db_put cache => "$id/data", $data;
2500 db_put cache => "$id/md5" , $md5;
2501 db_put cache => "$id/meta", $meta;
2502
2503 return $data;
2504 }
2505
2506 db_get cache => "$id/data"
2507}
2508
2509=item fork_call { }, $args
2510
2511Executes the given code block with the given arguments in a seperate
2512process, returning the results. Everything must be serialisable with
2513Coro::Storable. May, of course, block. Note that the executed sub may
2514never block itself or use any form of Event handling.
2515
2516=cut
2517
2518sub fork_call(&@) {
2519 my ($cb, @args) = @_;
2520
2521# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522# or die "socketpair: $!";
2523 pipe my $fh1, my $fh2
2524 or die "pipe: $!";
2525
2526 if (my $pid = fork) {
2527 close $fh2;
2528
2529 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530 $res = Coro::Storable::thaw $res;
2531
2532 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534 die $$res unless "ARRAY" eq ref $res;
2535
2536 return wantarray ? @$res : $res->[-1];
2537 } else {
2538 reset_signals;
2539 local $SIG{__WARN__};
2540 local $SIG{__DIE__};
2541 eval {
2542 close $fh1;
2543
2544 my @res = eval { $cb->(@args) };
2545 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546 };
2547
2548 warn $@ if $@;
2549 _exit 0;
2550 }
2551}
2552
2553#############################################################################
2554# the server's init and main functions 2998# the server's init and main functions
2555 2999
2556sub load_facedata($) { 3000sub load_facedata($) {
2557 my ($path) = @_; 3001 my ($path) = @_;
3002
3003 # HACK to clear player env face cache, we need some signal framework
3004 # for this (global event?)
3005 %ext::player_env::MUSIC_FACE_CACHE = ();
3006
3007 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558 3008
2559 warn "loading facedata from $path\n"; 3009 warn "loading facedata from $path\n";
2560 3010
2561 my $facedata; 3011 my $facedata;
2562 0 < aio_load $path, $facedata 3012 0 < aio_load $path, $facedata
2565 $facedata = Coro::Storable::thaw $facedata; 3015 $facedata = Coro::Storable::thaw $facedata;
2566 3016
2567 $facedata->{version} == 2 3017 $facedata->{version} == 2
2568 or cf::cleanup "$path: version mismatch, cannot proceed."; 3018 or cf::cleanup "$path: version mismatch, cannot proceed.";
2569 3019
3020 # patch in the exptable
3021 $facedata->{resource}{"res/exp_table"} = {
3022 type => FT_RSRC,
3023 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3024 };
3025 cf::cede_to_tick;
3026
2570 { 3027 {
2571 my $faces = $facedata->{faceinfo}; 3028 my $faces = $facedata->{faceinfo};
2572 3029
2573 while (my ($face, $info) = each %$faces) { 3030 while (my ($face, $info) = each %$faces) {
2574 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3031 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2575 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3032 cf::face::set_visibility $idx, $info->{visibility};
3033 cf::face::set_magicmap $idx, $info->{magicmap};
2576 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3034 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3035 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578 Coro::cede; 3036
3037 cf::cede_to_tick;
2579 } 3038 }
2580 3039
2581 while (my ($face, $info) = each %$faces) { 3040 while (my ($face, $info) = each %$faces) {
2582 next unless $info->{smooth}; 3041 next unless $info->{smooth};
2583 my $idx = cf::face::find $face 3042 my $idx = cf::face::find $face
2584 or next; 3043 or next;
2585 if (my $smooth = cf::face::find $info->{smooth}) { 3044 if (my $smooth = cf::face::find $info->{smooth}) {
3045 cf::face::set_smooth $idx, $smooth;
2586 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3046 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587 } else { 3047 } else {
2588 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3048 warn "smooth face '$info->{smooth}' not found for face '$face'";
2589 } 3049 }
2590 Coro::cede; 3050
3051 cf::cede_to_tick;
2591 } 3052 }
2592 } 3053 }
2593 3054
2594 { 3055 {
2595 my $anims = $facedata->{animinfo}; 3056 my $anims = $facedata->{animinfo};
2596 3057
2597 while (my ($anim, $info) = each %$anims) { 3058 while (my ($anim, $info) = each %$anims) {
2598 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3059 cf::anim::set $anim, $info->{frames}, $info->{facings};
2599 Coro::cede; 3060 cf::cede_to_tick;
2600 } 3061 }
2601 3062
2602 cf::anim::invalidate_all; # d'oh 3063 cf::anim::invalidate_all; # d'oh
2603 } 3064 }
2604 3065
3066 {
3067 # TODO: for gcfclient pleasure, we should give resources
3068 # that gcfclient doesn't grok a >10000 face index.
3069 my $res = $facedata->{resource};
3070
3071 my $soundconf = delete $res->{"res/sound.conf"};
3072
3073 while (my ($name, $info) = each %$res) {
3074 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3075 my $data;
3076
3077 if ($info->{type} & 1) {
3078 # prepend meta info
3079
3080 my $meta = $enc->encode ({
3081 name => $name,
3082 %{ $info->{meta} || {} },
3083 });
3084
3085 $data = pack "(w/a*)*", $meta, $info->{data};
3086 } else {
3087 $data = $info->{data};
3088 }
3089
3090 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3091 cf::face::set_type $idx, $info->{type};
3092
3093 cf::cede_to_tick;
3094 }
3095
3096 if ($soundconf) {
3097 $soundconf = $enc->decode (delete $soundconf->{data});
3098
3099 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3100 my $sound = $soundconf->{compat}[$_]
3101 or next;
3102
3103 my $face = cf::face::find "sound/$sound->[1]";
3104 cf::sound::set $sound->[0] => $face;
3105 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3106 }
3107
3108 while (my ($k, $v) = each %{$soundconf->{event}}) {
3109 my $face = cf::face::find "sound/$v";
3110 cf::sound::set $k => $face;
3111 }
3112 }
3113 }
3114
2605 1 3115 1
2606} 3116}
2607 3117
3118register_exticmd fx_want => sub {
3119 my ($ns, $want) = @_;
3120
3121 while (my ($k, $v) = each %$want) {
3122 $ns->fx_want ($k, $v);
3123 }
3124};
3125
2608sub reload_regions { 3126sub reload_regions {
3127 # HACK to clear player env face cache, we need some signal framework
3128 # for this (global event?)
3129 %ext::player_env::MUSIC_FACE_CACHE = ();
3130
2609 load_resource_file "$MAPDIR/regions" 3131 load_resource_file "$MAPDIR/regions"
2610 or die "unable to load regions file\n"; 3132 or die "unable to load regions file\n";
3133
3134 for (cf::region::list) {
3135 $_->{match} = qr/$_->{match}/
3136 if exists $_->{match};
3137 }
2611} 3138}
2612 3139
2613sub reload_facedata { 3140sub reload_facedata {
2614 load_facedata "$DATADIR/facedata" 3141 load_facedata "$DATADIR/facedata"
2615 or die "unable to load facedata\n"; 3142 or die "unable to load facedata\n";
2616} 3143}
2617 3144
2618sub reload_archetypes { 3145sub reload_archetypes {
3146 load_resource_file "$DATADIR/archetypes"
3147 or die "unable to load archetypes\n";
3148 #d# NEED to laod twice to resolve forward references
3149 # this really needs to be done in an extra post-pass
3150 # (which needs to be synchronous, so solve it differently)
2619 load_resource_file "$DATADIR/archetypes" 3151 load_resource_file "$DATADIR/archetypes"
2620 or die "unable to load archetypes\n"; 3152 or die "unable to load archetypes\n";
2621} 3153}
2622 3154
2623sub reload_treasures { 3155sub reload_treasures {
2639 3171
2640sub init { 3172sub init {
2641 reload_resources; 3173 reload_resources;
2642} 3174}
2643 3175
2644sub cfg_load { 3176sub reload_config {
2645 open my $fh, "<:utf8", "$CONFDIR/config" 3177 open my $fh, "<:utf8", "$CONFDIR/config"
2646 or return; 3178 or return;
2647 3179
2648 local $/; 3180 local $/;
2649 *CFG = YAML::Syck::Load <$fh>; 3181 *CFG = YAML::Syck::Load <$fh>;
2665sub main { 3197sub main {
2666 # we must not ever block the main coroutine 3198 # we must not ever block the main coroutine
2667 local $Coro::idle = sub { 3199 local $Coro::idle = sub {
2668 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3200 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669 (async { 3201 (async {
3202 $Coro::current->{desc} = "IDLE BUG HANDLER";
2670 Event::one_event; 3203 Event::one_event;
2671 })->prio (Coro::PRIO_MAX); 3204 })->prio (Coro::PRIO_MAX);
2672 }; 3205 };
2673 3206
2674 cfg_load; 3207 reload_config;
2675 db_init; 3208 db_init;
2676 load_extensions; 3209 load_extensions;
2677 3210
2678 $TICK_WATCHER->start; 3211 $TICK_WATCHER->start;
2679 Event::loop; 3212 Event::loop;
2695 }, 3228 },
2696 ); 3229 );
2697 } 3230 }
2698} 3231}
2699 3232
3233sub write_runtime {
3234 my $runtime = "$LOCALDIR/runtime";
3235
3236 # first touch the runtime file to show we are still running:
3237 # the fsync below can take a very very long time.
3238
3239 IO::AIO::aio_utime $runtime, undef, undef;
3240
3241 my $guard = cf::lock_acquire "write_runtime";
3242
3243 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3244 or return;
3245
3246 my $value = $cf::RUNTIME + 90 + 10;
3247 # 10 is the runtime save interval, for a monotonic clock
3248 # 60 allows for the watchdog to kill the server.
3249
3250 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3251 and return;
3252
3253 # always fsync - this file is important
3254 aio_fsync $fh
3255 and return;
3256
3257 # touch it again to show we are up-to-date
3258 aio_utime $fh, undef, undef;
3259
3260 close $fh
3261 or return;
3262
3263 aio_rename "$runtime~", $runtime
3264 and return;
3265
3266 warn "runtime file written.\n";
3267
3268 1
3269}
3270
2700sub emergency_save() { 3271sub emergency_save() {
2701 my $freeze_guard = cf::freeze_mainloop; 3272 my $freeze_guard = cf::freeze_mainloop;
2702 3273
2703 warn "enter emergency perl save\n"; 3274 warn "enter emergency perl save\n";
2704 3275
2779 %EXT_CORO = (); 3350 %EXT_CORO = ();
2780 3351
2781 warn "removing commands"; 3352 warn "removing commands";
2782 %COMMAND = (); 3353 %COMMAND = ();
2783 3354
2784 warn "removing ext commands"; 3355 warn "removing ext/exti commands";
2785 %EXTCMD = (); 3356 %EXTCMD = ();
3357 %EXTICMD = ();
2786 3358
2787 warn "unloading/nuking all extensions"; 3359 warn "unloading/nuking all extensions";
2788 for my $pkg (@EXTS) { 3360 for my $pkg (@EXTS) {
2789 warn "... unloading $pkg"; 3361 warn "... unloading $pkg";
2790 3362
2833 warn "reloading cf.pm"; 3405 warn "reloading cf.pm";
2834 require cf; 3406 require cf;
2835 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3407 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836 3408
2837 warn "loading config and database again"; 3409 warn "loading config and database again";
2838 cf::cfg_load; 3410 cf::reload_config;
2839 3411
2840 warn "loading extensions"; 3412 warn "loading extensions";
2841 cf::load_extensions; 3413 cf::load_extensions;
2842 3414
2843 warn "reattaching attachments to objects/players"; 3415 warn "reattaching attachments to objects/players";
2879register_command "reload" => sub { 3451register_command "reload" => sub {
2880 my ($who, $arg) = @_; 3452 my ($who, $arg) = @_;
2881 3453
2882 if ($who->flag (FLAG_WIZ)) { 3454 if ($who->flag (FLAG_WIZ)) {
2883 $who->message ("reloading server."); 3455 $who->message ("reloading server.");
3456 async {
3457 $Coro::current->{desc} = "perl_reload";
2884 async { reload_perl }; 3458 reload_perl;
3459 };
2885 } 3460 }
2886}; 3461};
2887 3462
2888unshift @INC, $LIBDIR; 3463unshift @INC, $LIBDIR;
2889 3464
2908 my $signal = new Coro::Signal; 3483 my $signal = new Coro::Signal;
2909 push @WAIT_FOR_TICK_BEGIN, $signal; 3484 push @WAIT_FOR_TICK_BEGIN, $signal;
2910 $signal->wait; 3485 $signal->wait;
2911} 3486}
2912 3487
2913 my $min = 1e6;#d#
2914 my $avg = 10;
2915$TICK_WATCHER = Event->timer ( 3488$TICK_WATCHER = Event->timer (
2916 reentrant => 0, 3489 reentrant => 0,
2917 parked => 1, 3490 parked => 1,
2918 prio => 0, 3491 prio => 0,
2919 at => $NEXT_TICK || $TICK, 3492 at => $NEXT_TICK || $TICK,
2927 3500
2928 $NOW = $tick_start = Event::time; 3501 $NOW = $tick_start = Event::time;
2929 3502
2930 cf::server_tick; # one server iteration 3503 cf::server_tick; # one server iteration
2931 3504
2932 0 && sync_job {#d#
2933 for(1..10) {
2934 my $t = Event::time;
2935 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936 or die;
2937
2938 $map->width (50);
2939 $map->height (50);
2940 $map->alloc;
2941 $map->_load_objects ("/tmp/x.map", 1);
2942 my $t = Event::time - $t;
2943
2944 #next unless $t < 0.0013;#d#
2945 if ($t < $min) {
2946 $min = $t;
2947 }
2948 $avg = $avg * 0.99 + $t * 0.01;
2949 }
2950 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951 exit 0;
2952 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953 };
2954
2955 $RUNTIME += $TICK; 3505 $RUNTIME += $TICK;
2956 $NEXT_TICK += $TICK; 3506 $NEXT_TICK += $TICK;
2957 3507
2958 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3508 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959 $NEXT_RUNTIME_WRITE = $NOW + 10; 3509 $NEXT_RUNTIME_WRITE = $NOW + 10;
2960 Coro::async_pool { 3510 Coro::async_pool {
3511 $Coro::current->{desc} = "runtime saver";
2961 write_runtime 3512 write_runtime
2962 or warn "ERROR: unable to write runtime file: $!"; 3513 or warn "ERROR: unable to write runtime file: $!";
2963 }; 3514 };
2964 } 3515 }
2965 3516
2966# my $AFTER = Event::time;
2967# warn $AFTER - $NOW;#d#
2968
2969 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3517 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970 $sig->send; 3518 $sig->send;
2971 } 3519 }
2972 while (my $sig = shift @WAIT_FOR_TICK) { 3520 while (my $sig = shift @WAIT_FOR_TICK) {
2973 $sig->send; 3521 $sig->send;
2983 3531
2984 $LOAD = ($NOW - $tick_start) / $TICK; 3532 $LOAD = ($NOW - $tick_start) / $TICK;
2985 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3533 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986 3534
2987 _post_tick; 3535 _post_tick;
2988
2989
2990 }, 3536 },
2991); 3537);
2992 3538
2993{ 3539{
3540 BDB::min_parallel 8;
2994 BDB::max_poll_time $TICK * 0.1; 3541 BDB::max_poll_time $TICK * 0.1;
2995 $BDB_POLL_WATCHER = Event->io ( 3542 $BDB_POLL_WATCHER = Event->io (
2996 reentrant => 0, 3543 reentrant => 0,
2997 fd => BDB::poll_fileno, 3544 fd => BDB::poll_fileno,
2998 poll => 'r', 3545 poll => 'r',
2999 prio => 0, 3546 prio => 0,
3000 data => WF_AUTOCANCEL, 3547 data => WF_AUTOCANCEL,
3001 cb => \&BDB::poll_cb, 3548 cb => \&BDB::poll_cb,
3002 ); 3549 );
3003 BDB::min_parallel 8;
3004 3550
3005 BDB::set_sync_prepare { 3551 BDB::set_sync_prepare {
3006 my $status; 3552 my $status;
3007 my $current = $Coro::current; 3553 my $current = $Coro::current;
3008 ( 3554 (
3017 ) 3563 )
3018 }; 3564 };
3019 3565
3020 unless ($DB_ENV) { 3566 unless ($DB_ENV) {
3021 $DB_ENV = BDB::db_env_create; 3567 $DB_ENV = BDB::db_env_create;
3568 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3569 | BDB::LOG_AUTOREMOVE, 1);
3570 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3571 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022 3572
3023 cf::sync_job { 3573 cf::sync_job {
3024 eval { 3574 eval {
3025 BDB::db_env_open 3575 BDB::db_env_open
3026 $DB_ENV, 3576 $DB_ENV,
3028 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3578 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3579 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030 0666; 3580 0666;
3031 3581
3032 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3582 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035 $DB_ENV->set_lk_detect;
3036 }; 3583 };
3037 3584
3038 cf::cleanup "db_env_open(db): $@" if $@; 3585 cf::cleanup "db_env_open(db): $@" if $@;
3039 }; 3586 };
3040 } 3587 }
3588
3589 $BDB_DEADLOCK_WATCHER = Event->timer (
3590 after => 3,
3591 interval => 1,
3592 hard => 1,
3593 prio => 0,
3594 data => WF_AUTOCANCEL,
3595 cb => sub {
3596 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3597 },
3598 );
3599 $BDB_CHECKPOINT_WATCHER = Event->timer (
3600 after => 11,
3601 interval => 60,
3602 hard => 1,
3603 prio => 0,
3604 data => WF_AUTOCANCEL,
3605 cb => sub {
3606 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3607 },
3608 );
3609 $BDB_TRICKLE_WATCHER = Event->timer (
3610 after => 5,
3611 interval => 10,
3612 hard => 1,
3613 prio => 0,
3614 data => WF_AUTOCANCEL,
3615 cb => sub {
3616 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3617 },
3618 );
3041} 3619}
3042 3620
3043{ 3621{
3044 IO::AIO::min_parallel 8; 3622 IO::AIO::min_parallel 8;
3045 3623
3048 $AIO_POLL_WATCHER = Event->io ( 3626 $AIO_POLL_WATCHER = Event->io (
3049 reentrant => 0, 3627 reentrant => 0,
3050 data => WF_AUTOCANCEL, 3628 data => WF_AUTOCANCEL,
3051 fd => IO::AIO::poll_fileno, 3629 fd => IO::AIO::poll_fileno,
3052 poll => 'r', 3630 poll => 'r',
3053 prio => 6, 3631 prio => 0,
3054 cb => \&IO::AIO::poll_cb, 3632 cb => \&IO::AIO::poll_cb,
3055 ); 3633 );
3056} 3634}
3057 3635
3058my $_log_backtrace; 3636my $_log_backtrace;
3064 3642
3065 # limit the # of concurrent backtraces 3643 # limit the # of concurrent backtraces
3066 if ($_log_backtrace < 2) { 3644 if ($_log_backtrace < 2) {
3067 ++$_log_backtrace; 3645 ++$_log_backtrace;
3068 async { 3646 async {
3647 $Coro::current->{desc} = "abt $msg";
3648
3069 my @bt = fork_call { 3649 my @bt = fork_call {
3070 @addr = map { sprintf "%x", $_ } @addr; 3650 @addr = map { sprintf "%x", $_ } @addr;
3071 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3651 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3652 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073 or die "addr2line: $!"; 3653 or die "addr2line: $!";

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