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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.386 by root, Mon Oct 15 17:50:27 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket; 8use Socket;
9use Storable;
10use Event; 9use Event;
11use Opcode; 10use Opcode;
12use Safe; 11use Safe;
13use Safe::Hole; 12use Safe::Hole;
13use Storable ();
14 14
15use Coro 3.61 (); 15use Coro 4.1 ();
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 2.51 ();
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.
338 my $time = Event::time; 427 my $time = Event::time;
339 428
340 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
342 431
432 LOG llevError, Carp::longmess "sync job";#d#
433
343 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
344 # (but this is cancel-safe) 435 # (but this is cancel-safe)
345 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
346 437
347 my $busy = 1; 438 my $busy = 1;
348 my @res; 439 my @res;
349 440
350 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 443 @res = eval { $job->() };
352 warn $@ if $@; 444 warn $@ if $@;
353 undef $busy; 445 undef $busy;
354 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
355 447
390 $EXT_CORO{$coro+0} = $coro; 482 $EXT_CORO{$coro+0} = $coro;
391 483
392 $coro 484 $coro
393} 485}
394 486
395sub write_runtime { 487=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 488
398 # first touch the runtime file to show we are still running: 489Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 490process, returning the results. Everything must be serialisable with
491Coro::Storable. May, of course, block. Note that the executed sub may
492never block itself or use any form of Event handling.
400 493
401 IO::AIO::aio_utime $runtime, undef, undef; 494=cut
402 495
403 my $guard = cf::lock_acquire "write_runtime"; 496sub fork_call(&@) {
497 my ($cb, @args) = @_;
404 498
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 499 # we seemingly have to make a local copy of the whole thing,
406 or return; 500 # otherwise perl prematurely frees the stuff :/
501 # TODO: investigate and fix (likely this will be rather laborious)
407 502
408 my $value = $cf::RUNTIME + 90 + 10; 503 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 504 reset_signals;
410 # 60 allows for the watchdog to kill the server. 505 &$cb
506 }, @args;
411 507
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 508 wantarray ? @res : $res[-1]
413 and return; 509}
414 510
415 # always fsync - this file is important 511=item $value = cf::db_get $family => $key
416 aio_fsync $fh
417 and return;
418 512
419 # touch it again to show we are up-to-date 513Returns a single value from the environment database.
420 aio_utime $fh, undef, undef;
421 514
422 close $fh 515=item cf::db_put $family => $key => $value
423 or return;
424 516
425 aio_rename "$runtime~", $runtime 517Stores the given C<$value> in the family. It can currently store binary
426 and return; 518data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427 519
428 warn "runtime file written.\n"; 520=item $db = cf::db_table "name"
429 521
522Create and/or open a new database table. The string must not be "db" and must be unique
523within each server.
524
525=cut
526
527sub db_table($) {
528 my ($name) = @_;
529 my $db = BDB::db_create $DB_ENV;
530
531 eval {
532 $db->set_flags (BDB::CHKSUM);
533
534 utf8::encode $name;
535 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
536 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
537 cf::cleanup "db_open(db): $!" if $!;
538 };
539 cf::cleanup "db_open(db): $@" if $@;
540
541 $db
542}
543
544our $DB;
545
546sub db_init {
547 cf::sync_job {
548 $DB ||= db_table "db";
549 };
550}
551
552sub db_get($$) {
553 my $key = "$_[0]/$_[1]";
554
555 cf::sync_job {
556 BDB::db_get $DB, undef, $key, my $data;
557
558 $! ? ()
559 : $data
430 1 560 }
561}
562
563sub db_put($$$) {
564 BDB::dbreq_pri 4;
565 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
566}
567
568=item cf::cache $id => [$paths...], $processversion => $process
569
570Generic caching function that returns the value of the resource $id,
571caching and regenerating as required.
572
573This function can block.
574
575=cut
576
577sub cache {
578 my ($id, $src, $processversion, $process) = @_;
579
580 my $meta =
581 join "\x00",
582 $processversion,
583 map {
584 aio_stat $_
585 and Carp::croak "$_: $!";
586
587 ($_, (stat _)[7,9])
588 } @$src;
589
590 my $dbmeta = db_get cache => "$id/meta";
591 if ($dbmeta ne $meta) {
592 # changed, we may need to process
593
594 my @data;
595 my $md5;
596
597 for (0 .. $#$src) {
598 0 <= aio_load $src->[$_], $data[$_]
599 or Carp::croak "$src->[$_]: $!";
600 }
601
602 # if processing is expensive, check
603 # checksum first
604 if (1) {
605 $md5 =
606 join "\x00",
607 $processversion,
608 map {
609 cf::cede_to_tick;
610 ($src->[$_], Digest::MD5::md5_hex $data[$_])
611 } 0.. $#$src;
612
613
614 my $dbmd5 = db_get cache => "$id/md5";
615 if ($dbmd5 eq $md5) {
616 db_put cache => "$id/meta", $meta;
617
618 return db_get cache => "$id/data";
619 }
620 }
621
622 my $t1 = Time::HiRes::time;
623 my $data = $process->(\@data);
624 my $t2 = Time::HiRes::time;
625
626 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
627
628 db_put cache => "$id/data", $data;
629 db_put cache => "$id/md5" , $md5;
630 db_put cache => "$id/meta", $meta;
631
632 return $data;
633 }
634
635 db_get cache => "$id/data"
431} 636}
432 637
433=item cf::datalog type => key => value, ... 638=item cf::datalog type => key => value, ...
434 639
435Log a datalog packet of the given type with the given key-value pairs. 640Log 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") 658attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 659to it. All such attachable objects support the following methods.
455 660
456In the following description, CLASS can be any of C<global>, C<object> 661In 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 662C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 663Crossfire TRT).
459 664
460=over 4 665=over 4
461 666
462=item $attachable->attach ($attachment, key => $value...) 667=item $attachable->attach ($attachment, key => $value...)
463 668
715 "; 920 ";
716 die if $@; 921 die if $@;
717} 922}
718 923
719our $override; 924our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 925our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 926
722sub override { 927sub override {
723 $override = 1; 928 $override = 1;
724 @invoke_results = (); 929 @INVOKE_RESULTS = (@_);
725} 930}
726 931
727sub do_invoke { 932sub do_invoke {
728 my $event = shift; 933 my $event = shift;
729 my $callbacks = shift; 934 my $callbacks = shift;
730 935
731 @invoke_results = (); 936 @INVOKE_RESULTS = ();
732 937
733 local $override; 938 local $override;
734 939
735 for (@$callbacks) { 940 for (@$callbacks) {
736 eval { &{$_->[1]} }; 941 eval { &{$_->[1]} };
753 958
754Generate an object-specific event with the given arguments. 959Generate an object-specific event with the given arguments.
755 960
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 961This 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 962removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 963results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 964
760=back 965=back
761 966
762=cut 967=cut
763 968
764############################################################################# 969#############################################################################
765# object support 970# object support
971
972sub _object_equal($$);
973sub _object_equal($$) {
974 my ($a, $b) = @_;
975
976 return 0 unless (ref $a) eq (ref $b);
977
978 if ("HASH" eq ref $a) {
979 my @ka = keys %$a;
980 my @kb = keys %$b;
981
982 return 0 if @ka != @kb;
983
984 for (0 .. $#ka) {
985 return 0 unless $ka[$_] eq $kb[$_];
986 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
987 }
988
989 } elsif ("ARRAY" eq ref $a) {
990
991 return 0 if @$a != @$b;
992
993 for (0 .. $#$a) {
994 return 0 unless _object_equal $a->[$_], $b->[$_];
995 }
996
997 } elsif ($a ne $b) {
998 return 0;
999 }
1000
1001 1
1002}
1003
1004our $SLOW_MERGES;#d#
1005sub _can_merge {
1006 my ($ob1, $ob2) = @_;
1007
1008 ++$SLOW_MERGES;#d#
1009
1010 # we do the slow way here
1011 return _object_equal $ob1, $ob2
1012}
766 1013
767sub reattach { 1014sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1015 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1016 my ($obj) = @_;
770 1017
817sub object_freezer_save { 1064sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1065 my ($filename, $rdata, $objs) = @_;
819 1066
820 sync_job { 1067 sync_job {
821 if (length $$rdata) { 1068 if (length $$rdata) {
1069 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1070 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1071 $decname, length $$rdata, scalar @$objs;
824 1072
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1073 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1074 chmod SAVE_MODE, $fh;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1075 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1076 aio_fsync $fh if $cf::USE_FSYNC;
829 close $fh; 1077 close $fh;
830 1078
831 if (@$objs) { 1079 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1080 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1081 chmod SAVE_MODE, $fh;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1082 my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1083 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1084 aio_fsync $fh if $cf::USE_FSYNC;
837 close $fh; 1085 close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1086 aio_rename "$filename.pst~", "$filename.pst";
839 } 1087 }
847 } 1095 }
848 } else { 1096 } else {
849 aio_unlink $filename; 1097 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1098 aio_unlink "$filename.pst";
851 } 1099 }
852 } 1100 };
853} 1101}
854 1102
855sub object_freezer_as_string { 1103sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1104 my ($rdata, $objs) = @_;
857 1105
869 or return; 1117 or return;
870 1118
871 unless (aio_stat "$filename.pst") { 1119 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1120 (aio_load "$filename.pst", $av) >= 0
873 or return; 1121 or return;
874 $av = eval { (Storable::thaw $av)->{objs} };
875 }
876 1122
1123 my $st = eval { Coro::Storable::thaw $av }
1124 || eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1125 $av = $st->{objs};
1126 }
1127
1128 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1129 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1130 $decname, length $data, scalar @{$av || []};
1131
879 return ($data, $av); 1132 ($data, $av)
880} 1133}
1134
1135=head2 COMMAND CALLBACKS
1136
1137=over 4
1138
1139=cut
881 1140
882############################################################################# 1141#############################################################################
883# command handling &c 1142# command handling &c
884 1143
885=item cf::register_command $name => \&callback($ob,$args); 1144=item cf::register_command $name => \&callback($ob,$args);
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1157 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1158}
900 1159
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1160=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1161
903Register a callbackf ro execution when the client sends an extcmd packet. 1162Register a callback for execution when the client sends an (synchronous)
1163extcmd packet. Ext commands will be processed in the order they are
1164received by the server, like other user commands. The first argument is
1165the logged-in player. Ext commands can only be processed after a player
1166has logged in successfully.
904 1167
905If the callback returns something, it is sent back as if reply was being 1168If the callback returns something, it is sent back as if reply was being
906called. 1169called.
907 1170
1171=item cf::register_exticmd $name => \&callback($ns,$packet);
1172
1173Register a callback for execution when the client sends an (asynchronous)
1174exticmd packet. Exti commands are processed by the server as soon as they
1175are received, i.e. out of order w.r.t. other commands. The first argument
1176is a client socket. Exti commands can be received anytime, even before
1177log-in.
1178
1179If the callback returns something, it is sent back as if reply was being
1180called.
1181
908=cut 1182=cut
909 1183
910sub register_extcmd { 1184sub register_extcmd {
911 my ($name, $cb) = @_; 1185 my ($name, $cb) = @_;
912 1186
913 $EXTCMD{$name} = $cb; 1187 $EXTCMD{$name} = $cb;
1188}
1189
1190sub register_exticmd {
1191 my ($name, $cb) = @_;
1192
1193 $EXTICMD{$name} = $cb;
914} 1194}
915 1195
916cf::player->attach ( 1196cf::player->attach (
917 on_command => sub { 1197 on_command => sub {
918 my ($pl, $name, $params) = @_; 1198 my ($pl, $name, $params) = @_;
927 cf::override; 1207 cf::override;
928 }, 1208 },
929 on_extcmd => sub { 1209 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1210 my ($pl, $buf) = @_;
931 1211
932 my $msg = eval { from_json $buf }; 1212 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1213
934 if (ref $msg) { 1214 if (ref $msg) {
1215 my ($type, $reply, @payload) =
1216 "ARRAY" eq ref $msg
1217 ? @$msg
1218 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1219
1220 my @reply;
1221
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1222 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1223 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1224 }
1225
1226 $pl->ext_reply ($reply, @reply)
1227 if $reply;
1228
940 } else { 1229 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1230 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1231 }
943 1232
944 cf::override; 1233 cf::override;
1018 }; 1307 };
1019} 1308}
1020 1309
1021############################################################################# 1310#############################################################################
1022 1311
1312=back
1313
1023=head2 CORE EXTENSIONS 1314=head2 CORE EXTENSIONS
1024 1315
1025Functions and methods that extend core crossfire objects. 1316Functions and methods that extend core crossfire objects.
1026 1317
1027=cut 1318=cut
1031use Coro::AIO; 1322use Coro::AIO;
1032 1323
1033=head3 cf::player 1324=head3 cf::player
1034 1325
1035=over 4 1326=over 4
1327
1328=item cf::player::num_playing
1329
1330Returns the official number of playing players, as per the Crossfire metaserver rules.
1331
1332=cut
1333
1334sub num_playing {
1335 scalar grep
1336 $_->ob->map
1337 && !$_->hidden
1338 && !$_->ob->flag (cf::FLAG_WIZ),
1339 cf::player::list
1340}
1036 1341
1037=item cf::player::find $login 1342=item cf::player::find $login
1038 1343
1039Returns the given player object, loading it if necessary (might block). 1344Returns the given player object, loading it if necessary (might block).
1040 1345
1076 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1381 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1382 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1383 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079 aio_unlink +(playerdir $login) . "/$login.pl"; 1384 aio_unlink +(playerdir $login) . "/$login.pl";
1080 1385
1081 my $pl = load_pl path $login 1386 my $f = new_from_file cf::object::thawer path $login
1082 or return; 1387 or return;
1388
1389 my $pl = cf::player::load_pl $f
1390 or return;
1391 local $cf::PLAYER_LOADING{$login} = $pl;
1392 $f->resolve_delayed_derefs;
1083 $cf::PLAYER{$login} = $pl 1393 $cf::PLAYER{$login} = $pl
1084 } 1394 }
1085 } 1395 }
1086} 1396}
1087 1397
1097 1407
1098 aio_mkdir playerdir $pl, 0770; 1408 aio_mkdir playerdir $pl, 0770;
1099 $pl->{last_save} = $cf::RUNTIME; 1409 $pl->{last_save} = $cf::RUNTIME;
1100 1410
1101 $pl->save_pl ($path); 1411 $pl->save_pl ($path);
1102 Coro::cede; 1412 cf::cede_to_tick;
1103} 1413}
1104 1414
1105sub new($) { 1415sub new($) {
1106 my ($login) = @_; 1416 my ($login) = @_;
1107 1417
1111 $self->{deny_save} = 1; 1421 $self->{deny_save} = 1;
1112 1422
1113 $cf::PLAYER{$login} = $self; 1423 $cf::PLAYER{$login} = $self;
1114 1424
1115 $self 1425 $self
1426}
1427
1428=item $player->send_msg ($channel, $msg, $color, [extra...])
1429
1430=cut
1431
1432sub send_msg {
1433 my $ns = shift->ns
1434 or return;
1435 $ns->send_msg (@_);
1116} 1436}
1117 1437
1118=item $pl->quit_character 1438=item $pl->quit_character
1119 1439
1120Nukes the player without looking back. If logged in, the connection will 1440Nukes the player without looking back. If logged in, the connection will
1175 or return []; 1495 or return [];
1176 1496
1177 my @logins; 1497 my @logins;
1178 1498
1179 for my $login (@$dirs) { 1499 for my $login (@$dirs) {
1500 my $path = path $login;
1501
1502 # a .pst is a dead give-away for a valid player
1503 unless (-e "$path.pst") {
1180 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1504 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181 aio_read $fh, 0, 512, my $buf, 0 or next; 1505 aio_read $fh, 0, 512, my $buf, 0 or next;
1182 $buf !~ /^password -------------$/m or next; # official not-valid tag 1506 $buf !~ /^password -------------$/m or next; # official not-valid tag
1507 }
1183 1508
1184 utf8::decode $login; 1509 utf8::decode $login;
1185 push @logins, $login; 1510 push @logins, $login;
1186 } 1511 }
1187 1512
1214 } 1539 }
1215 1540
1216 \@paths 1541 \@paths
1217} 1542}
1218 1543
1544=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1545
1546Expand crossfire pod fragments into protocol xml.
1547
1548=cut
1549
1550sub expand_cfpod {
1551 ((my $self), (local $_)) = @_;
1552
1553 # escape & and <
1554 s/&/&amp;/g;
1555 s/(?<![BIUGHT])</&lt;/g;
1556
1557 # this is buggy, it needs to properly take care of nested <'s
1558
1559 1 while
1560 # replace B<>, I<>, U<> etc.
1561 s/B<([^\>]*)>/<b>$1<\/b>/
1562 || s/I<([^\>]*)>/<i>$1<\/i>/
1563 || s/U<([^\>]*)>/<u>$1<\/u>/
1564 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1565 # replace G<male|female> tags
1566 || s{G<([^>|]*)\|([^>]*)>}{
1567 $self->gender ? $2 : $1
1568 }ge
1569 # replace H<hint text>
1570 || s{H<([^\>]*)>}
1571 {
1572 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1573 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1574 "")
1575 [$self->{hintmode}]
1576 }ge;
1577
1578 # create single paragraphs (very hackish)
1579 s/(?<=\S)\n(?=\w)/ /g;
1580
1581 # compress some whitespace
1582 s/\s+\n/\n/g; # ws line-ends
1583 s/\n\n+/\n/g; # double lines
1584 s/^\n+//; # beginning lines
1585 s/\n+$//; # ending lines
1586
1587 $_
1588}
1589
1590sub hintmode {
1591 $_[0]{hintmode} = $_[1] if @_ > 1;
1592 $_[0]{hintmode}
1593}
1594
1219=item $player->ext_reply ($msgid, %msg) 1595=item $player->ext_reply ($msgid, @msg)
1220 1596
1221Sends an ext reply to the player. 1597Sends an ext reply to the player.
1222 1598
1223=cut 1599=cut
1224 1600
1225sub ext_reply($$%) { 1601sub ext_reply($$@) {
1226 my ($self, $id, %msg) = @_; 1602 my ($self, $id, @msg) = @_;
1227 1603
1228 $msg{msgid} = $id; 1604 $self->ns->ext_reply ($id, @msg)
1229
1230 $self->send ("ext " . cf::to_json \%msg);
1231} 1605}
1232 1606
1233=item $player->ext_event ($type, %msg) 1607=item $player->ext_msg ($type, @msg)
1234 1608
1235Sends an ext event to the client. 1609Sends an ext event to the client.
1236 1610
1237=cut 1611=cut
1238 1612
1239sub ext_event($$%) { 1613sub ext_msg($$@) {
1240 my ($self, $type, %msg) = @_; 1614 my ($self, $type, @msg) = @_;
1241 1615
1242 $self->ns->ext_event ($type, %msg); 1616 $self->ns->ext_msg ($type, @msg);
1243} 1617}
1244 1618
1245=head3 cf::region 1619=head3 cf::region
1246 1620
1247=over 4 1621=over 4
1250 1624
1251package cf::region; 1625package cf::region;
1252 1626
1253=item cf::region::find_by_path $path 1627=item cf::region::find_by_path $path
1254 1628
1255Tries to decuce the probable region for a map knowing only its path. 1629Tries to decuce the likely region for a map knowing only its path.
1256 1630
1257=cut 1631=cut
1258 1632
1259sub find_by_path($) { 1633sub find_by_path($) {
1260 my ($path) = @_; 1634 my ($path) = @_;
1261 1635
1262 my ($match, $specificity); 1636 my ($match, $specificity);
1263 1637
1264 for my $region (list) { 1638 for my $region (list) {
1265 if ($region->match && $path =~ $region->match) { 1639 if ($region->{match} && $path =~ $region->{match}) {
1266 ($match, $specificity) = ($region, $region->specificity) 1640 ($match, $specificity) = ($region, $region->specificity)
1267 if $region->specificity > $specificity; 1641 if $region->specificity > $specificity;
1268 } 1642 }
1269 } 1643 }
1270 1644
1390 $self->init; # pass $1 etc. 1764 $self->init; # pass $1 etc.
1391 return $self; 1765 return $self;
1392 } 1766 }
1393 } 1767 }
1394 1768
1395 Carp::carp "unable to resolve path '$path' (base '$base')."; 1769 Carp::cluck "unable to resolve path '$path' (base '$base').";
1396 () 1770 ()
1397} 1771}
1398 1772
1399sub init { 1773sub init {
1400 my ($self) = @_; 1774 my ($self) = @_;
1463 1837
1464sub load_header_from($) { 1838sub load_header_from($) {
1465 my ($self, $path) = @_; 1839 my ($self, $path) = @_;
1466 1840
1467 utf8::encode $path; 1841 utf8::encode $path;
1468 #aio_open $path, O_RDONLY, 0 1842 my $f = new_from_file cf::object::thawer $path
1469 # or return;
1470
1471 $self->_load_header ($path)
1472 or return; 1843 or return;
1844
1845 $self->_load_header ($f)
1846 or return;
1847
1848 local $MAP_LOADING{$self->{path}} = $self;
1849 $f->resolve_delayed_derefs;
1473 1850
1474 $self->{load_path} = $path; 1851 $self->{load_path} = $path;
1475 1852
1476 1 1853 1
1477} 1854}
1531sub find { 1908sub find {
1532 my ($path, $origin) = @_; 1909 my ($path, $origin) = @_;
1533 1910
1534 $path = normalise $path, $origin && $origin->path; 1911 $path = normalise $path, $origin && $origin->path;
1535 1912
1913 cf::lock_wait "map_data:$path";#d#remove
1536 cf::lock_wait "map_find:$path"; 1914 cf::lock_wait "map_find:$path";
1537 1915
1538 $cf::MAP{$path} || do { 1916 $cf::MAP{$path} || do {
1539 my $guard = cf::lock_acquire "map_find:$path"; 1917 my $guard1 = cf::lock_acquire "map_find:$path";
1918 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1919
1540 my $map = new_from_path cf::map $path 1920 my $map = new_from_path cf::map $path
1541 or return; 1921 or return;
1542 1922
1543 $map->{last_save} = $cf::RUNTIME; 1923 $map->{last_save} = $cf::RUNTIME;
1544 1924
1546 or return; 1926 or return;
1547 1927
1548 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1928 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549 # doing this can freeze the server in a sync job, obviously 1929 # doing this can freeze the server in a sync job, obviously
1550 #$cf::WAIT_FOR_TICK->wait; 1930 #$cf::WAIT_FOR_TICK->wait;
1931 undef $guard1;
1932 undef $guard2;
1551 $map->reset; 1933 $map->reset;
1552 undef $guard;
1553 return find $path; 1934 return find $path;
1554 } 1935 }
1555 1936
1556 $cf::MAP{$path} = $map 1937 $cf::MAP{$path} = $map
1557 } 1938 }
1566 local $self->{deny_reset} = 1; # loading can take a long time 1947 local $self->{deny_reset} = 1; # loading can take a long time
1567 1948
1568 my $path = $self->{path}; 1949 my $path = $self->{path};
1569 1950
1570 { 1951 {
1571 my $guard = cf::lock_acquire "map_load:$path"; 1952 my $guard = cf::lock_acquire "map_data:$path";
1572 1953
1954 return unless $self->valid;
1573 return if $self->in_memory != cf::MAP_SWAPPED; 1955 return unless $self->in_memory == cf::MAP_SWAPPED;
1574 1956
1575 $self->in_memory (cf::MAP_LOADING); 1957 $self->in_memory (cf::MAP_LOADING);
1576 1958
1577 $self->alloc; 1959 $self->alloc;
1578 1960
1579 $self->pre_load; 1961 $self->pre_load;
1580 Coro::cede; 1962 cf::cede_to_tick;
1581 1963
1964 my $f = new_from_file cf::object::thawer $self->{load_path};
1965 $f->skip_block;
1582 $self->_load_objects ($self->{load_path}, 1) 1966 $self->_load_objects ($f)
1583 or return; 1967 or return;
1584 1968
1585 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1969 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1586 if delete $self->{load_original}; 1970 if delete $self->{load_original};
1587 1971
1588 if (my $uniq = $self->uniq_path) { 1972 if (my $uniq = $self->uniq_path) {
1589 utf8::encode $uniq; 1973 utf8::encode $uniq;
1590 if (aio_open $uniq, O_RDONLY, 0) { 1974 unless (aio_stat $uniq) {
1975 if (my $f = new_from_file cf::object::thawer $uniq) {
1591 $self->clear_unique_items; 1976 $self->clear_unique_items;
1592 $self->_load_objects ($uniq, 0); 1977 $self->_load_objects ($f);
1978 $f->resolve_delayed_derefs;
1979 }
1593 } 1980 }
1594 } 1981 }
1595 1982
1596 Coro::cede; 1983 $f->resolve_delayed_derefs;
1984
1985 cf::cede_to_tick;
1597 # now do the right thing for maps 1986 # now do the right thing for maps
1598 $self->link_multipart_objects; 1987 $self->link_multipart_objects;
1599 $self->difficulty ($self->estimate_difficulty) 1988 $self->difficulty ($self->estimate_difficulty)
1600 unless $self->difficulty; 1989 unless $self->difficulty;
1601 Coro::cede; 1990 cf::cede_to_tick;
1602 1991
1603 unless ($self->{deny_activate}) { 1992 unless ($self->{deny_activate}) {
1604 $self->decay_objects; 1993 $self->decay_objects;
1605 $self->fix_auto_apply; 1994 $self->fix_auto_apply;
1606 $self->update_buttons; 1995 $self->update_buttons;
1607 Coro::cede; 1996 cf::cede_to_tick;
1608 $self->set_darkness_map; 1997 $self->set_darkness_map;
1609 Coro::cede; 1998 cf::cede_to_tick;
1610 $self->activate; 1999 $self->activate;
1611 } 2000 }
2001
2002 $self->{last_save} = $cf::RUNTIME;
2003 $self->last_access ($cf::RUNTIME);
1612 2004
1613 $self->in_memory (cf::MAP_IN_MEMORY); 2005 $self->in_memory (cf::MAP_IN_MEMORY);
1614 } 2006 }
1615 2007
1616 $self->post_load; 2008 $self->post_load;
1627 2019
1628 $self 2020 $self
1629} 2021}
1630 2022
1631# find and load all maps in the 3x3 area around a map 2023# find and load all maps in the 3x3 area around a map
1632sub load_diag { 2024sub load_neighbours {
1633 my ($map) = @_; 2025 my ($map) = @_;
1634 2026
1635 my @diag; # diagonal neighbours 2027 my @neigh; # diagonal neighbours
1636 2028
1637 for (0 .. 3) { 2029 for (0 .. 3) {
1638 my $neigh = $map->tile_path ($_) 2030 my $neigh = $map->tile_path ($_)
1639 or next; 2031 or next;
1640 $neigh = find $neigh, $map 2032 $neigh = find $neigh, $map
1641 or next; 2033 or next;
1642 $neigh->load; 2034 $neigh->load;
1643 2035
2036 push @neigh,
1644 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2037 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1645 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2038 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1646 } 2039 }
1647 2040
1648 for (@diag) { 2041 for (grep defined $_->[0], @neigh) {
2042 my ($path, $origin) = @$_;
1649 my $neigh = find @$_ 2043 my $neigh = find $path, $origin
1650 or next; 2044 or next;
1651 $neigh->load; 2045 $neigh->load;
1652 } 2046 }
1653} 2047}
1654 2048
1659} 2053}
1660 2054
1661sub do_load_sync { 2055sub do_load_sync {
1662 my ($map) = @_; 2056 my ($map) = @_;
1663 2057
2058 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2059 if $Coro::current == $Coro::main;
2060
1664 cf::sync_job { $map->load }; 2061 cf::sync_job { $map->load };
1665} 2062}
1666 2063
1667our %MAP_PREFETCH; 2064our %MAP_PREFETCH;
1668our $MAP_PREFETCHER = undef; 2065our $MAP_PREFETCHER = undef;
1669 2066
1670sub find_async { 2067sub find_async {
1671 my ($path, $origin) = @_; 2068 my ($path, $origin, $load) = @_;
1672 2069
1673 $path = normalise $path, $origin && $origin->{path}; 2070 $path = normalise $path, $origin && $origin->{path};
1674 2071
1675 if (my $map = $cf::MAP{$path}) { 2072 if (my $map = $cf::MAP{$path}) {
1676 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2073 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1677 } 2074 }
1678 2075
1679 undef $MAP_PREFETCH{$path}; 2076 $MAP_PREFETCH{$path} |= $load;
2077
1680 $MAP_PREFETCHER ||= cf::async { 2078 $MAP_PREFETCHER ||= cf::async {
2079 $Coro::current->{desc} = "map prefetcher";
2080
1681 while (%MAP_PREFETCH) { 2081 while (%MAP_PREFETCH) {
1682 for my $path (keys %MAP_PREFETCH) { 2082 while (my ($k, $v) = each %MAP_PREFETCH) {
1683 my $map = find $path 2083 if (my $map = find $k) {
1684 or next;
1685 $map->load; 2084 $map->load if $v;
2085 }
1686 2086
1687 delete $MAP_PREFETCH{$path}; 2087 delete $MAP_PREFETCH{$k};
1688 } 2088 }
1689 } 2089 }
1690 undef $MAP_PREFETCHER; 2090 undef $MAP_PREFETCHER;
1691 }; 2091 };
1692 $MAP_PREFETCHER->prio (6); 2092 $MAP_PREFETCHER->prio (6);
1695} 2095}
1696 2096
1697sub save { 2097sub save {
1698 my ($self) = @_; 2098 my ($self) = @_;
1699 2099
1700 my $lock = cf::lock_acquire "map_data:" . $self->path; 2100 my $lock = cf::lock_acquire "map_data:$self->{path}";
1701 2101
1702 $self->{last_save} = $cf::RUNTIME; 2102 $self->{last_save} = $cf::RUNTIME;
1703 2103
1704 return unless $self->dirty; 2104 return unless $self->dirty;
1705 2105
1711 return if $self->{deny_save}; 2111 return if $self->{deny_save};
1712 2112
1713 local $self->{last_access} = $self->last_access;#d# 2113 local $self->{last_access} = $self->last_access;#d#
1714 2114
1715 cf::async { 2115 cf::async {
2116 $Coro::current->{desc} = "map player save";
1716 $_->contr->save for $self->players; 2117 $_->contr->save for $self->players;
1717 }; 2118 };
1718 2119
1719 if ($uniq) { 2120 if ($uniq) {
1720 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2121 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1728 my ($self) = @_; 2129 my ($self) = @_;
1729 2130
1730 # save first because save cedes 2131 # save first because save cedes
1731 $self->save; 2132 $self->save;
1732 2133
1733 my $lock = cf::lock_acquire "map_data:" . $self->path; 2134 my $lock = cf::lock_acquire "map_data:$self->{path}";
1734 2135
1735 return if $self->players; 2136 return if $self->players;
1736 return if $self->in_memory != cf::MAP_IN_MEMORY; 2137 return if $self->in_memory != cf::MAP_IN_MEMORY;
1737 return if $self->{deny_save}; 2138 return if $self->{deny_save};
1738 2139
2140 $self->in_memory (cf::MAP_SWAPPED);
2141
2142 $self->deactivate;
2143 $_->clear_links_to ($self) for values %cf::MAP;
1739 $self->clear; 2144 $self->clear;
1740 $self->in_memory (cf::MAP_SWAPPED);
1741} 2145}
1742 2146
1743sub reset_at { 2147sub reset_at {
1744 my ($self) = @_; 2148 my ($self) = @_;
1745 2149
1777 if $uniq; 2181 if $uniq;
1778 } 2182 }
1779 2183
1780 delete $cf::MAP{$self->path}; 2184 delete $cf::MAP{$self->path};
1781 2185
2186 $self->deactivate;
2187 $_->clear_links_to ($self) for values %cf::MAP;
1782 $self->clear; 2188 $self->clear;
1783
1784 $_->clear_links_to ($self) for values %cf::MAP;
1785 2189
1786 $self->unlink_save; 2190 $self->unlink_save;
1787 $self->destroy; 2191 $self->destroy;
1788} 2192}
1789 2193
1790my $nuke_counter = "aaaa"; 2194my $nuke_counter = "aaaa";
1791 2195
1792sub nuke { 2196sub nuke {
1793 my ($self) = @_; 2197 my ($self) = @_;
1794 2198
2199 {
2200 my $lock = cf::lock_acquire "map_data:$self->{path}";
2201
1795 delete $cf::MAP{$self->path}; 2202 delete $cf::MAP{$self->path};
1796 2203
1797 $self->unlink_save; 2204 $self->unlink_save;
1798 2205
1799 bless $self, "cf::map"; 2206 bless $self, "cf::map";
1800 delete $self->{deny_reset}; 2207 delete $self->{deny_reset};
1801 $self->{deny_save} = 1; 2208 $self->{deny_save} = 1;
1802 $self->reset_timeout (1); 2209 $self->reset_timeout (1);
1803 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2210 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804 2211
1805 $cf::MAP{$self->path} = $self; 2212 $cf::MAP{$self->path} = $self;
2213 }
1806 2214
1807 $self->reset; # polite request, might not happen 2215 $self->reset; # polite request, might not happen
1808} 2216}
1809 2217
1810=item $maps = cf::map::tmp_maps 2218=item $maps = cf::map::tmp_maps
1886 2294
1887sub inv_recursive { 2295sub inv_recursive {
1888 inv_recursive_ inv $_[0] 2296 inv_recursive_ inv $_[0]
1889} 2297}
1890 2298
2299=item $ref = $ob->ref
2300
2301creates and returns a persistent reference to an objetc that can be stored as a string.
2302
2303=item $ob = cf::object::deref ($refstring)
2304
2305returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2306even if the object actually exists. May block.
2307
2308=cut
2309
2310sub deref {
2311 my ($ref) = @_;
2312
2313 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2314 my ($uuid, $name) = ($1, $2);
2315 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2316 or return;
2317 $pl->ob->uuid eq $uuid
2318 or return;
2319
2320 $pl->ob
2321 } else {
2322 warn "$ref: cannot resolve object reference\n";
2323 undef
2324 }
2325}
2326
1891package cf; 2327package cf;
1892 2328
1893=back 2329=back
1894 2330
1895=head3 cf::object::player 2331=head3 cf::object::player
1912 2348
1913 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2349 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914 2350
1915 if ($self->{record_replies}) { 2351 if ($self->{record_replies}) {
1916 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2352 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2353
1917 } else { 2354 } else {
2355 my $pl = $self->contr;
2356
2357 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2358 my $dialog = $pl->{npc_dialog};
2359 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2360
2361 } else {
1918 $msg = $npc->name . " says: $msg" if $npc; 2362 $msg = $npc->name . " says: $msg" if $npc;
1919 $self->message ($msg, $flags); 2363 $self->message ($msg, $flags);
2364 }
1920 } 2365 }
2366}
2367
2368=item $object->send_msg ($channel, $msg, $color, [extra...])
2369
2370=cut
2371
2372sub cf::object::send_msg {
2373 my $pl = shift->contr
2374 or return;
2375 $pl->send_msg (@_);
1921} 2376}
1922 2377
1923=item $player_object->may ("access") 2378=item $player_object->may ("access")
1924 2379
1925Returns wether the given player is authorized to access resource "access" 2380Returns wether the given player is authorized to access resource "access"
2004 # use -1 or undef as default coordinates, not 0, 0 2459 # use -1 or undef as default coordinates, not 0, 0
2005 ($x, $y) = ($map->enter_x, $map->enter_y) 2460 ($x, $y) = ($map->enter_x, $map->enter_y)
2006 if $x <=0 && $y <= 0; 2461 if $x <=0 && $y <= 0;
2007 2462
2008 $map->load; 2463 $map->load;
2009 $map->load_diag; 2464 $map->load_neighbours;
2010 2465
2011 return unless $self->contr->active; 2466 return unless $self->contr->active;
2012 $self->activate_recursive; 2467 $self->activate_recursive;
2013 2468
2014 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2469 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015 $self->enter_map ($map, $x, $y); 2470 $self->enter_map ($map, $x, $y);
2016} 2471}
2017 2472
2018=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2473=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019 2474
2020Moves the player to the given map-path and coordinates by first freezing 2475Moves the player to the given map-path and coordinates by first freezing
2021her, loading and preparing them map, calling the provided $check callback 2476her, loading and preparing them map, calling the provided $check callback
2022that has to return the map if sucecssful, and then unfreezes the player on 2477that has to return the map if sucecssful, and then unfreezes the player on
2023the new (success) or old (failed) map position. 2478the new (success) or old (failed) map position. In either case, $done will
2479be called at the end of this process.
2024 2480
2025=cut 2481=cut
2026 2482
2027our $GOTOGEN; 2483our $GOTOGEN;
2028 2484
2029sub cf::object::player::goto { 2485sub cf::object::player::goto {
2030 my ($self, $path, $x, $y, $check) = @_; 2486 my ($self, $path, $x, $y, $check, $done) = @_;
2031 2487
2032 # do generation counting so two concurrent goto's will be executed in-order 2488 # do generation counting so two concurrent goto's will be executed in-order
2033 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2489 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034 2490
2035 $self->enter_link; 2491 $self->enter_link;
2036 2492
2037 (async { 2493 (async {
2494 $Coro::current->{desc} = "player::goto $path $x $y";
2495
2496 # *tag paths override both path and x|y
2497 if ($path =~ /^\*(.*)$/) {
2498 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2499 my $ob = $obs[rand @obs];
2500
2501 # see if we actually can go there
2502 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2503 $ob = $obs[rand @obs];
2504 } else {
2505 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2506 }
2507 # else put us there anyways for now #d#
2508
2509 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2510 } else {
2511 ($path, $x, $y) = (undef, undef, undef);
2512 }
2513 }
2514
2038 my $map = eval { 2515 my $map = eval {
2039 my $map = cf::map::find $path; 2516 my $map = defined $path ? cf::map::find $path : undef;
2040 2517
2041 if ($map) { 2518 if ($map) {
2042 $map = $map->customise_for ($self); 2519 $map = $map->customise_for ($self);
2043 $map = $check->($map) if $check && $map; 2520 $map = $check->($map) if $check && $map;
2044 } else { 2521 } else {
2045 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2522 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046 } 2523 }
2047 2524
2048 $map 2525 $map
2049 }; 2526 };
2050 2527
2055 2532
2056 if ($gen == $self->{_goto_generation}) { 2533 if ($gen == $self->{_goto_generation}) {
2057 delete $self->{_goto_generation}; 2534 delete $self->{_goto_generation};
2058 $self->leave_link ($map, $x, $y); 2535 $self->leave_link ($map, $x, $y);
2059 } 2536 }
2537
2538 $done->() if $done;
2060 })->prio (1); 2539 })->prio (1);
2061} 2540}
2062 2541
2063=item $player_object->enter_exit ($exit_object) 2542=item $player_object->enter_exit ($exit_object)
2064 2543
2133 my $hp = $exit->stats->hp; 2612 my $hp = $exit->stats->hp;
2134 my $sp = $exit->stats->sp; 2613 my $sp = $exit->stats->sp;
2135 2614
2136 $self->enter_link; 2615 $self->enter_link;
2137 2616
2617 # if exit is damned, update players death & WoR home-position
2618 $self->contr->savebed ($slaying, $hp, $sp)
2619 if $exit->flag (FLAG_DAMNED);
2620
2138 (async { 2621 (async {
2622 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2623
2139 $self->deactivate_recursive; # just to be sure 2624 $self->deactivate_recursive; # just to be sure
2140 unless (eval { 2625 unless (eval {
2141 $self->goto ($slaying, $hp, $sp); 2626 $self->goto ($slaying, $hp, $sp);
2142 2627
2143 1; 2628 1;
2169 2654
2170 utf8::encode $text; 2655 utf8::encode $text;
2171 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2656 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172} 2657}
2173 2658
2659=item $client->send_msg ($channel, $msg, $color, [extra...])
2660
2661Send a drawinfo or msg packet to the client, formatting the msg for the
2662client if neccessary. C<$type> should be a string identifying the type of
2663the message, with C<log> being the default. If C<$color> is negative, suppress
2664the message unless the client supports the msg packet.
2665
2666=cut
2667
2668our %CHANNEL = (
2669 "c/identify" => {
2670 id => "infobox",
2671 title => "Identify",
2672 reply => undef,
2673 tooltip => "Items recently identified",
2674 },
2675 "c/examine" => {
2676 id => "infobox",
2677 title => "Examine",
2678 reply => undef,
2679 tooltip => "Signs and other items you examined",
2680 },
2681 "c/lookat" => {
2682 id => "infobox",
2683 title => "Look",
2684 reply => undef,
2685 tooltip => "What you saw there",
2686 },
2687);
2688
2689sub cf::client::send_msg {
2690 my ($self, $channel, $msg, $color, @extra) = @_;
2691
2692 $msg = $self->pl->expand_cfpod ($msg);
2693
2694 $color &= cf::NDI_CLIENT_MASK; # just in case...
2695
2696 # check predefined channels, for the benefit of C
2697 if ($CHANNEL{$channel}) {
2698 $channel = $CHANNEL{$channel};
2699
2700 $self->ext_msg (channel_info => $channel)
2701 if $self->can_msg;
2702
2703 $channel = $channel->{id};
2704
2705 } elsif (ref $channel) {
2706 # send meta info to client, if not yet sent
2707 unless (exists $self->{channel}{$channel->{id}}) {
2708 $self->{channel}{$channel->{id}} = $channel;
2709 $self->ext_msg (channel_info => $channel)
2710 if $self->can_msg;
2711 }
2712
2713 $channel = $channel->{id};
2714 }
2715
2716 return unless @extra || length $msg;
2717
2718 if ($self->can_msg) {
2719 # default colour, mask it out
2720 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2721 if $color & cf::NDI_DEF;
2722
2723 $self->send_packet ("msg " . $self->{json_coder}->encode (
2724 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2725 } else {
2726 if ($color >= 0) {
2727 # replace some tags by gcfclient-compatible ones
2728 for ($msg) {
2729 1 while
2730 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2731 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2732 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2733 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2734 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2735 }
2736
2737 $color &= cf::NDI_COLOR_MASK;
2738
2739 utf8::encode $msg;
2740
2741 if (0 && $msg =~ /\[/) {
2742 # COMMAND/INFO
2743 $self->send_packet ("drawextinfo $color 10 8 $msg")
2744 } else {
2745 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2746 $self->send_packet ("drawinfo $color $msg")
2747 }
2748 }
2749 }
2750}
2751
2174=item $client->ext_event ($type, %msg) 2752=item $client->ext_msg ($type, @msg)
2175 2753
2176Sends an exti event to the client. 2754Sends an ext event to the client.
2177 2755
2178=cut 2756=cut
2179 2757
2180sub cf::client::ext_event($$%) { 2758sub cf::client::ext_msg($$@) {
2181 my ($self, $type, %msg) = @_; 2759 my ($self, $type, @msg) = @_;
2182 2760
2761 if ($self->extcmd == 2) {
2762 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2763 } elsif ($self->extcmd == 1) { # TODO: remove
2183 $msg{msgtype} = "event_$type"; 2764 push @msg, msgtype => "event_$type";
2184 $self->send_packet ("ext " . cf::to_json \%msg); 2765 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2766 }
2767}
2768
2769=item $client->ext_reply ($msgid, @msg)
2770
2771Sends an ext reply to the client.
2772
2773=cut
2774
2775sub cf::client::ext_reply($$@) {
2776 my ($self, $id, @msg) = @_;
2777
2778 if ($self->extcmd == 2) {
2779 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2780 } elsif ($self->extcmd == 1) {
2781 #TODO: version 1, remove
2782 unshift @msg, msgtype => "reply", msgid => $id;
2783 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2784 }
2185} 2785}
2186 2786
2187=item $success = $client->query ($flags, "text", \&cb) 2787=item $success = $client->query ($flags, "text", \&cb)
2188 2788
2189Queues a query to the client, calling the given callback with 2789Queues a query to the client, calling the given callback with
2190the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2790the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2791C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192 2792
2193Queries can fail, so check the return code. Or don't, as queries will become 2793Queries can fail, so check the return code. Or don't, as queries will
2194reliable at some point in the future. 2794become reliable at some point in the future.
2195 2795
2196=cut 2796=cut
2197 2797
2198sub cf::client::query { 2798sub cf::client::query {
2199 my ($self, $flags, $text, $cb) = @_; 2799 my ($self, $flags, $text, $cb) = @_;
2207 utf8::encode $text; 2807 utf8::encode $text;
2208 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2808 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209 2809
2210 $self->send_packet ($self->{query_queue}[0][0]) 2810 $self->send_packet ($self->{query_queue}[0][0])
2211 if @{ $self->{query_queue} } == 1; 2811 if @{ $self->{query_queue} } == 1;
2812
2813 1
2212} 2814}
2213 2815
2214cf::client->attach ( 2816cf::client->attach (
2817 on_connect => sub {
2818 my ($ns) = @_;
2819
2820 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2821 },
2215 on_reply => sub { 2822 on_reply => sub {
2216 my ($ns, $msg) = @_; 2823 my ($ns, $msg) = @_;
2217 2824
2218 # this weird shuffling is so that direct followup queries 2825 # this weird shuffling is so that direct followup queries
2219 # get handled first 2826 # get handled first
2231 } else { 2838 } else {
2232 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2839 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233 } 2840 }
2234 } 2841 }
2235 }, 2842 },
2843 on_exticmd => sub {
2844 my ($ns, $buf) = @_;
2845
2846 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2847
2848 if (ref $msg) {
2849 my ($type, $reply, @payload) =
2850 "ARRAY" eq ref $msg
2851 ? @$msg
2852 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2853
2854 my @reply;
2855
2856 if (my $cb = $EXTICMD{$type}) {
2857 @reply = $cb->($ns, @payload);
2858 }
2859
2860 $ns->ext_reply ($reply, @reply)
2861 if $reply;
2862
2863 } else {
2864 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2865 }
2866
2867 cf::override;
2868 },
2236); 2869);
2237 2870
2238=item $client->async (\&cb) 2871=item $client->async (\&cb)
2239 2872
2240Create a new coroutine, running the specified callback. The coroutine will 2873Create a new coroutine, running the specified callback. The coroutine will
2281our $safe = new Safe "safe"; 2914our $safe = new Safe "safe";
2282our $safe_hole = new Safe::Hole; 2915our $safe_hole = new Safe::Hole;
2283 2916
2284$SIG{FPE} = 'IGNORE'; 2917$SIG{FPE} = 'IGNORE';
2285 2918
2286$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2919$safe->permit_only (Opcode::opset qw(
2920 :base_core :base_mem :base_orig :base_math
2921 grepstart grepwhile mapstart mapwhile
2922 sort time
2923));
2287 2924
2288# here we export the classes and methods available to script code 2925# here we export the classes and methods available to script code
2289 2926
2290=pod 2927=pod
2291 2928
2292The following functions and methods are available within a safe environment: 2929The following functions and methods are available within a safe environment:
2293 2930
2294 cf::object contr pay_amount pay_player map 2931 cf::object
2932 contr pay_amount pay_player map x y force_find force_add destroy
2933 insert remove name archname title slaying race decrease_ob_nr
2934
2295 cf::object::player player 2935 cf::object::player
2296 cf::player peaceful 2936 player
2297 cf::map trigger 2937
2938 cf::player
2939 peaceful
2940
2941 cf::map
2942 trigger
2298 2943
2299=cut 2944=cut
2300 2945
2301for ( 2946for (
2302 ["cf::object" => qw(contr pay_amount pay_player map)], 2947 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2948 insert remove inv name archname title slaying race
2949 decrease_ob_nr destroy)],
2303 ["cf::object::player" => qw(player)], 2950 ["cf::object::player" => qw(player)],
2304 ["cf::player" => qw(peaceful)], 2951 ["cf::player" => qw(peaceful)],
2305 ["cf::map" => qw(trigger)], 2952 ["cf::map" => qw(trigger)],
2306) { 2953) {
2307 no strict 'refs'; 2954 no strict 'refs';
2378=back 3025=back
2379 3026
2380=cut 3027=cut
2381 3028
2382############################################################################# 3029#############################################################################
2383
2384=head2 EXTENSION DATABASE SUPPORT
2385
2386Crossfire maintains a very simple database for extension use. It can
2387currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388convert to/from binary).
2389
2390The parameter C<$family> should best start with the name of the extension
2391using it, it should be unique.
2392
2393=over 4
2394
2395=item $value = cf::db_get $family => $key
2396
2397Returns a single value from the database.
2398
2399=item cf::db_put $family => $key => $value
2400
2401Stores the given C<$value> in the family.
2402
2403=cut
2404
2405our $DB;
2406
2407sub db_init {
2408 unless ($DB) {
2409 $DB = BDB::db_create $DB_ENV;
2410
2411 cf::sync_job {
2412 eval {
2413 $DB->set_flags (BDB::CHKSUM);
2414
2415 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417 cf::cleanup "db_open(db): $!" if $!;
2418 };
2419 cf::cleanup "db_open(db): $@" if $@;
2420 };
2421 }
2422}
2423
2424sub db_get($$) {
2425 my $key = "$_[0]/$_[1]";
2426
2427 cf::sync_job {
2428 BDB::db_get $DB, undef, $key, my $data;
2429
2430 $! ? ()
2431 : $data
2432 }
2433}
2434
2435sub db_put($$$) {
2436 BDB::dbreq_pri 4;
2437 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438}
2439
2440=item cf::cache $id => [$paths...], $processversion => $process
2441
2442Generic caching function that returns the value of the resource $id,
2443caching and regenerating as required.
2444
2445This function can block.
2446
2447=cut
2448
2449sub cache {
2450 my ($id, $src, $processversion, $process) = @_;
2451
2452 my $meta =
2453 join "\x00",
2454 $processversion,
2455 map {
2456 aio_stat $_
2457 and Carp::croak "$_: $!";
2458
2459 ($_, (stat _)[7,9])
2460 } @$src;
2461
2462 my $dbmeta = db_get cache => "$id/meta";
2463 if ($dbmeta ne $meta) {
2464 # changed, we may need to process
2465
2466 my @data;
2467 my $md5;
2468
2469 for (0 .. $#$src) {
2470 0 <= aio_load $src->[$_], $data[$_]
2471 or Carp::croak "$src->[$_]: $!";
2472 }
2473
2474 # if processing is expensive, check
2475 # checksum first
2476 if (1) {
2477 $md5 =
2478 join "\x00",
2479 $processversion,
2480 map {
2481 Coro::cede;
2482 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2483 } 0.. $#$src;
2484
2485
2486 my $dbmd5 = db_get cache => "$id/md5";
2487 if ($dbmd5 eq $md5) {
2488 db_put cache => "$id/meta", $meta;
2489
2490 return db_get cache => "$id/data";
2491 }
2492 }
2493
2494 my $t1 = Time::HiRes::time;
2495 my $data = $process->(\@data);
2496 my $t2 = Time::HiRes::time;
2497
2498 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500 db_put cache => "$id/data", $data;
2501 db_put cache => "$id/md5" , $md5;
2502 db_put cache => "$id/meta", $meta;
2503
2504 return $data;
2505 }
2506
2507 db_get cache => "$id/data"
2508}
2509
2510=item fork_call { }, $args
2511
2512Executes the given code block with the given arguments in a seperate
2513process, returning the results. Everything must be serialisable with
2514Coro::Storable. May, of course, block. Note that the executed sub may
2515never block itself or use any form of Event handling.
2516
2517=cut
2518
2519sub fork_call(&@) {
2520 my ($cb, @args) = @_;
2521
2522# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523# or die "socketpair: $!";
2524 pipe my $fh1, my $fh2
2525 or die "pipe: $!";
2526
2527 if (my $pid = fork) {
2528 close $fh2;
2529
2530 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531 $res = Coro::Storable::thaw $res;
2532
2533 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535 die $$res unless "ARRAY" eq ref $res;
2536
2537 return wantarray ? @$res : $res->[-1];
2538 } else {
2539 reset_signals;
2540 local $SIG{__WARN__};
2541 local $SIG{__DIE__};
2542 eval {
2543 close $fh1;
2544
2545 my @res = eval { $cb->(@args) };
2546 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547 };
2548
2549 warn $@ if $@;
2550 _exit 0;
2551 }
2552}
2553
2554#############################################################################
2555# the server's init and main functions 3030# the server's init and main functions
2556 3031
2557sub load_facedata($) { 3032sub load_facedata($) {
2558 my ($path) = @_; 3033 my ($path) = @_;
3034
3035 # HACK to clear player env face cache, we need some signal framework
3036 # for this (global event?)
3037 %ext::player_env::MUSIC_FACE_CACHE = ();
3038
3039 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559 3040
2560 warn "loading facedata from $path\n"; 3041 warn "loading facedata from $path\n";
2561 3042
2562 my $facedata; 3043 my $facedata;
2563 0 < aio_load $path, $facedata 3044 0 < aio_load $path, $facedata
2566 $facedata = Coro::Storable::thaw $facedata; 3047 $facedata = Coro::Storable::thaw $facedata;
2567 3048
2568 $facedata->{version} == 2 3049 $facedata->{version} == 2
2569 or cf::cleanup "$path: version mismatch, cannot proceed."; 3050 or cf::cleanup "$path: version mismatch, cannot proceed.";
2570 3051
3052 # patch in the exptable
3053 $facedata->{resource}{"res/exp_table"} = {
3054 type => FT_RSRC,
3055 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3056 };
3057 cf::cede_to_tick;
3058
2571 { 3059 {
2572 my $faces = $facedata->{faceinfo}; 3060 my $faces = $facedata->{faceinfo};
2573 3061
2574 while (my ($face, $info) = each %$faces) { 3062 while (my ($face, $info) = each %$faces) {
2575 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3063 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2576 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3064 cf::face::set_visibility $idx, $info->{visibility};
3065 cf::face::set_magicmap $idx, $info->{magicmap};
2577 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3066 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3067 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579 Coro::cede; 3068
3069 cf::cede_to_tick;
2580 } 3070 }
2581 3071
2582 while (my ($face, $info) = each %$faces) { 3072 while (my ($face, $info) = each %$faces) {
2583 next unless $info->{smooth}; 3073 next unless $info->{smooth};
2584 my $idx = cf::face::find $face 3074 my $idx = cf::face::find $face
2585 or next; 3075 or next;
2586 if (my $smooth = cf::face::find $info->{smooth}) { 3076 if (my $smooth = cf::face::find $info->{smooth}) {
3077 cf::face::set_smooth $idx, $smooth;
2587 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3078 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588 } else { 3079 } else {
2589 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3080 warn "smooth face '$info->{smooth}' not found for face '$face'";
2590 } 3081 }
2591 Coro::cede; 3082
3083 cf::cede_to_tick;
2592 } 3084 }
2593 } 3085 }
2594 3086
2595 { 3087 {
2596 my $anims = $facedata->{animinfo}; 3088 my $anims = $facedata->{animinfo};
2597 3089
2598 while (my ($anim, $info) = each %$anims) { 3090 while (my ($anim, $info) = each %$anims) {
2599 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3091 cf::anim::set $anim, $info->{frames}, $info->{facings};
2600 Coro::cede; 3092 cf::cede_to_tick;
2601 } 3093 }
2602 3094
2603 cf::anim::invalidate_all; # d'oh 3095 cf::anim::invalidate_all; # d'oh
2604 } 3096 }
2605 3097
3098 {
3099 # TODO: for gcfclient pleasure, we should give resources
3100 # that gcfclient doesn't grok a >10000 face index.
3101 my $res = $facedata->{resource};
3102
3103 my $soundconf = delete $res->{"res/sound.conf"};
3104
3105 while (my ($name, $info) = each %$res) {
3106 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3107 my $data;
3108
3109 if ($info->{type} & 1) {
3110 # prepend meta info
3111
3112 my $meta = $enc->encode ({
3113 name => $name,
3114 %{ $info->{meta} || {} },
3115 });
3116
3117 $data = pack "(w/a*)*", $meta, $info->{data};
3118 } else {
3119 $data = $info->{data};
3120 }
3121
3122 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3123 cf::face::set_type $idx, $info->{type};
3124
3125 cf::cede_to_tick;
3126 }
3127
3128 if ($soundconf) {
3129 $soundconf = $enc->decode (delete $soundconf->{data});
3130
3131 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3132 my $sound = $soundconf->{compat}[$_]
3133 or next;
3134
3135 my $face = cf::face::find "sound/$sound->[1]";
3136 cf::sound::set $sound->[0] => $face;
3137 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3138 }
3139
3140 while (my ($k, $v) = each %{$soundconf->{event}}) {
3141 my $face = cf::face::find "sound/$v";
3142 cf::sound::set $k => $face;
3143 }
3144 }
3145 }
3146
2606 1 3147 1
2607} 3148}
2608 3149
3150register_exticmd fx_want => sub {
3151 my ($ns, $want) = @_;
3152
3153 while (my ($k, $v) = each %$want) {
3154 $ns->fx_want ($k, $v);
3155 }
3156};
3157
2609sub reload_regions { 3158sub reload_regions {
3159 # HACK to clear player env face cache, we need some signal framework
3160 # for this (global event?)
3161 %ext::player_env::MUSIC_FACE_CACHE = ();
3162
2610 load_resource_file "$MAPDIR/regions" 3163 load_resource_file "$MAPDIR/regions"
2611 or die "unable to load regions file\n"; 3164 or die "unable to load regions file\n";
3165
3166 for (cf::region::list) {
3167 $_->{match} = qr/$_->{match}/
3168 if exists $_->{match};
3169 }
2612} 3170}
2613 3171
2614sub reload_facedata { 3172sub reload_facedata {
2615 load_facedata "$DATADIR/facedata" 3173 load_facedata "$DATADIR/facedata"
2616 or die "unable to load facedata\n"; 3174 or die "unable to load facedata\n";
2617} 3175}
2618 3176
2619sub reload_archetypes { 3177sub reload_archetypes {
3178 load_resource_file "$DATADIR/archetypes"
3179 or die "unable to load archetypes\n";
3180 #d# NEED to laod twice to resolve forward references
3181 # this really needs to be done in an extra post-pass
3182 # (which needs to be synchronous, so solve it differently)
2620 load_resource_file "$DATADIR/archetypes" 3183 load_resource_file "$DATADIR/archetypes"
2621 or die "unable to load archetypes\n"; 3184 or die "unable to load archetypes\n";
2622} 3185}
2623 3186
2624sub reload_treasures { 3187sub reload_treasures {
2640 3203
2641sub init { 3204sub init {
2642 reload_resources; 3205 reload_resources;
2643} 3206}
2644 3207
2645sub cfg_load { 3208sub reload_config {
2646 open my $fh, "<:utf8", "$CONFDIR/config" 3209 open my $fh, "<:utf8", "$CONFDIR/config"
2647 or return; 3210 or return;
2648 3211
2649 local $/; 3212 local $/;
2650 *CFG = YAML::Syck::Load <$fh>; 3213 *CFG = YAML::Syck::Load <$fh>;
2666sub main { 3229sub main {
2667 # we must not ever block the main coroutine 3230 # we must not ever block the main coroutine
2668 local $Coro::idle = sub { 3231 local $Coro::idle = sub {
2669 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3232 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670 (async { 3233 (async {
3234 $Coro::current->{desc} = "IDLE BUG HANDLER";
2671 Event::one_event; 3235 Event::one_event;
2672 })->prio (Coro::PRIO_MAX); 3236 })->prio (Coro::PRIO_MAX);
2673 }; 3237 };
2674 3238
2675 cfg_load; 3239 reload_config;
2676 db_init; 3240 db_init;
2677 load_extensions; 3241 load_extensions;
2678 3242
2679 $TICK_WATCHER->start; 3243 $TICK_WATCHER->start;
2680 Event::loop; 3244 Event::loop;
2696 }, 3260 },
2697 ); 3261 );
2698 } 3262 }
2699} 3263}
2700 3264
3265sub write_runtime {
3266 my $runtime = "$LOCALDIR/runtime";
3267
3268 # first touch the runtime file to show we are still running:
3269 # the fsync below can take a very very long time.
3270
3271 IO::AIO::aio_utime $runtime, undef, undef;
3272
3273 my $guard = cf::lock_acquire "write_runtime";
3274
3275 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3276 or return;
3277
3278 my $value = $cf::RUNTIME + 90 + 10;
3279 # 10 is the runtime save interval, for a monotonic clock
3280 # 60 allows for the watchdog to kill the server.
3281
3282 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3283 and return;
3284
3285 # always fsync - this file is important
3286 aio_fsync $fh
3287 and return;
3288
3289 # touch it again to show we are up-to-date
3290 aio_utime $fh, undef, undef;
3291
3292 close $fh
3293 or return;
3294
3295 aio_rename "$runtime~", $runtime
3296 and return;
3297
3298 warn "runtime file written.\n";
3299
3300 1
3301}
3302
2701sub emergency_save() { 3303sub emergency_save() {
2702 my $freeze_guard = cf::freeze_mainloop; 3304 my $freeze_guard = cf::freeze_mainloop;
2703 3305
2704 warn "enter emergency perl save\n"; 3306 warn "enter emergency perl save\n";
2705 3307
2709 # and maps saved/destroyed asynchronously. 3311 # and maps saved/destroyed asynchronously.
2710 warn "begin emergency player save\n"; 3312 warn "begin emergency player save\n";
2711 for my $login (keys %cf::PLAYER) { 3313 for my $login (keys %cf::PLAYER) {
2712 my $pl = $cf::PLAYER{$login} or next; 3314 my $pl = $cf::PLAYER{$login} or next;
2713 $pl->valid or next; 3315 $pl->valid or next;
3316 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714 $pl->save; 3317 $pl->save;
2715 } 3318 }
2716 warn "end emergency player save\n"; 3319 warn "end emergency player save\n";
2717 3320
2718 warn "begin emergency map save\n"; 3321 warn "begin emergency map save\n";
2780 %EXT_CORO = (); 3383 %EXT_CORO = ();
2781 3384
2782 warn "removing commands"; 3385 warn "removing commands";
2783 %COMMAND = (); 3386 %COMMAND = ();
2784 3387
2785 warn "removing ext commands"; 3388 warn "removing ext/exti commands";
2786 %EXTCMD = (); 3389 %EXTCMD = ();
3390 %EXTICMD = ();
2787 3391
2788 warn "unloading/nuking all extensions"; 3392 warn "unloading/nuking all extensions";
2789 for my $pkg (@EXTS) { 3393 for my $pkg (@EXTS) {
2790 warn "... unloading $pkg"; 3394 warn "... unloading $pkg";
2791 3395
2834 warn "reloading cf.pm"; 3438 warn "reloading cf.pm";
2835 require cf; 3439 require cf;
2836 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3440 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837 3441
2838 warn "loading config and database again"; 3442 warn "loading config and database again";
2839 cf::cfg_load; 3443 cf::reload_config;
2840 3444
2841 warn "loading extensions"; 3445 warn "loading extensions";
2842 cf::load_extensions; 3446 cf::load_extensions;
2843 3447
2844 warn "reattaching attachments to objects/players"; 3448 warn "reattaching attachments to objects/players";
2880register_command "reload" => sub { 3484register_command "reload" => sub {
2881 my ($who, $arg) = @_; 3485 my ($who, $arg) = @_;
2882 3486
2883 if ($who->flag (FLAG_WIZ)) { 3487 if ($who->flag (FLAG_WIZ)) {
2884 $who->message ("reloading server."); 3488 $who->message ("reloading server.");
3489 async {
3490 $Coro::current->{desc} = "perl_reload";
2885 async { reload_perl }; 3491 reload_perl;
3492 };
2886 } 3493 }
2887}; 3494};
2888 3495
2889unshift @INC, $LIBDIR; 3496unshift @INC, $LIBDIR;
2890 3497
2909 my $signal = new Coro::Signal; 3516 my $signal = new Coro::Signal;
2910 push @WAIT_FOR_TICK_BEGIN, $signal; 3517 push @WAIT_FOR_TICK_BEGIN, $signal;
2911 $signal->wait; 3518 $signal->wait;
2912} 3519}
2913 3520
2914 my $min = 1e6;#d#
2915 my $avg = 10;
2916$TICK_WATCHER = Event->timer ( 3521$TICK_WATCHER = Event->timer (
2917 reentrant => 0, 3522 reentrant => 0,
2918 parked => 1, 3523 parked => 1,
2919 prio => 0, 3524 prio => 0,
2920 at => $NEXT_TICK || $TICK, 3525 at => $NEXT_TICK || $TICK,
2928 3533
2929 $NOW = $tick_start = Event::time; 3534 $NOW = $tick_start = Event::time;
2930 3535
2931 cf::server_tick; # one server iteration 3536 cf::server_tick; # one server iteration
2932 3537
2933 0 && sync_job {#d#
2934 for(1..10) {
2935 my $t = Event::time;
2936 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2937 or die;
2938
2939 $map->width (50);
2940 $map->height (50);
2941 $map->alloc;
2942 $map->_load_objects ("/tmp/x.map", 1);
2943 my $t = Event::time - $t;
2944
2945 #next unless $t < 0.0013;#d#
2946 if ($t < $min) {
2947 $min = $t;
2948 }
2949 $avg = $avg * 0.99 + $t * 0.01;
2950 }
2951 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952 exit 0;
2953 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954 };
2955
2956 $RUNTIME += $TICK; 3538 $RUNTIME += $TICK;
2957 $NEXT_TICK += $TICK; 3539 $NEXT_TICK += $TICK;
2958 3540
2959 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3541 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960 $NEXT_RUNTIME_WRITE = $NOW + 10; 3542 $NEXT_RUNTIME_WRITE = $NOW + 10;
2961 Coro::async_pool { 3543 Coro::async_pool {
3544 $Coro::current->{desc} = "runtime saver";
2962 write_runtime 3545 write_runtime
2963 or warn "ERROR: unable to write runtime file: $!"; 3546 or warn "ERROR: unable to write runtime file: $!";
2964 }; 3547 };
2965 } 3548 }
2966 3549
2967# my $AFTER = Event::time;
2968# warn $AFTER - $NOW;#d#
2969
2970 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3550 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971 $sig->send; 3551 $sig->send;
2972 } 3552 }
2973 while (my $sig = shift @WAIT_FOR_TICK) { 3553 while (my $sig = shift @WAIT_FOR_TICK) {
2974 $sig->send; 3554 $sig->send;
2984 3564
2985 $LOAD = ($NOW - $tick_start) / $TICK; 3565 $LOAD = ($NOW - $tick_start) / $TICK;
2986 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3566 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987 3567
2988 _post_tick; 3568 _post_tick;
2989
2990
2991 }, 3569 },
2992); 3570);
2993 3571
2994{ 3572{
3573 BDB::min_parallel 8;
2995 BDB::max_poll_time $TICK * 0.1; 3574 BDB::max_poll_time $TICK * 0.1;
2996 $BDB_POLL_WATCHER = Event->io ( 3575 $BDB_POLL_WATCHER = Event->io (
2997 reentrant => 0, 3576 reentrant => 0,
2998 fd => BDB::poll_fileno, 3577 fd => BDB::poll_fileno,
2999 poll => 'r', 3578 poll => 'r',
3000 prio => 0, 3579 prio => 0,
3001 data => WF_AUTOCANCEL, 3580 data => WF_AUTOCANCEL,
3002 cb => \&BDB::poll_cb, 3581 cb => \&BDB::poll_cb,
3003 ); 3582 );
3004 BDB::min_parallel 8;
3005 3583
3006 BDB::set_sync_prepare { 3584 BDB::set_sync_prepare {
3007 my $status; 3585 my $status;
3008 my $current = $Coro::current; 3586 my $current = $Coro::current;
3009 ( 3587 (
3018 ) 3596 )
3019 }; 3597 };
3020 3598
3021 unless ($DB_ENV) { 3599 unless ($DB_ENV) {
3022 $DB_ENV = BDB::db_env_create; 3600 $DB_ENV = BDB::db_env_create;
3601 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3602 | BDB::LOG_AUTOREMOVE, 1);
3603 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3604 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023 3605
3024 cf::sync_job { 3606 cf::sync_job {
3025 eval { 3607 eval {
3026 BDB::db_env_open 3608 BDB::db_env_open
3027 $DB_ENV, 3609 $DB_ENV,
3029 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3611 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3612 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031 0666; 3613 0666;
3032 3614
3033 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3615 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036 $DB_ENV->set_lk_detect;
3037 }; 3616 };
3038 3617
3039 cf::cleanup "db_env_open(db): $@" if $@; 3618 cf::cleanup "db_env_open(db): $@" if $@;
3040 }; 3619 };
3041 } 3620 }
3621
3622 $BDB_DEADLOCK_WATCHER = Event->timer (
3623 after => 3,
3624 interval => 1,
3625 hard => 1,
3626 prio => 0,
3627 data => WF_AUTOCANCEL,
3628 cb => sub {
3629 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3630 },
3631 );
3632 $BDB_CHECKPOINT_WATCHER = Event->timer (
3633 after => 11,
3634 interval => 60,
3635 hard => 1,
3636 prio => 0,
3637 data => WF_AUTOCANCEL,
3638 cb => sub {
3639 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3640 },
3641 );
3642 $BDB_TRICKLE_WATCHER = Event->timer (
3643 after => 5,
3644 interval => 10,
3645 hard => 1,
3646 prio => 0,
3647 data => WF_AUTOCANCEL,
3648 cb => sub {
3649 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3650 },
3651 );
3042} 3652}
3043 3653
3044{ 3654{
3045 IO::AIO::min_parallel 8; 3655 IO::AIO::min_parallel 8;
3046 3656
3049 $AIO_POLL_WATCHER = Event->io ( 3659 $AIO_POLL_WATCHER = Event->io (
3050 reentrant => 0, 3660 reentrant => 0,
3051 data => WF_AUTOCANCEL, 3661 data => WF_AUTOCANCEL,
3052 fd => IO::AIO::poll_fileno, 3662 fd => IO::AIO::poll_fileno,
3053 poll => 'r', 3663 poll => 'r',
3054 prio => 6, 3664 prio => 0,
3055 cb => \&IO::AIO::poll_cb, 3665 cb => \&IO::AIO::poll_cb,
3056 ); 3666 );
3057} 3667}
3058 3668
3059my $_log_backtrace; 3669my $_log_backtrace;
3065 3675
3066 # limit the # of concurrent backtraces 3676 # limit the # of concurrent backtraces
3067 if ($_log_backtrace < 2) { 3677 if ($_log_backtrace < 2) {
3068 ++$_log_backtrace; 3678 ++$_log_backtrace;
3069 async { 3679 async {
3680 $Coro::current->{desc} = "abt $msg";
3681
3070 my @bt = fork_call { 3682 my @bt = fork_call {
3071 @addr = map { sprintf "%x", $_ } @addr; 3683 @addr = map { sprintf "%x", $_ } @addr;
3072 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3684 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3685 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074 or die "addr2line: $!"; 3686 or die "addr2line: $!";

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